JP6829635B2 - Battery mounting structure - Google Patents

Description

The present invention relates to a structure for attaching a battery mounted on a vehicle to a vehicle body frame.

As an example of a work vehicle, a traveling body having left and right crawler mechanisms, a rotating body provided on the traveling body so as to be able to turn, and an excavator device provided in the front part of the turning body for excavation work and the like. Power excavators configured in preparation are known. In such a power shovel, like an automobile or the like, an engine starter device, electrical components such as an air conditioner (so-called air conditioner) that adjusts the temperature in the operator cabin, a control controller of each device, or hydraulic pressure. When the pump is driven by an electric motor, the electric motor is equipped with a battery (storage battery) for supplying power (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2011-89369

Since work vehicles such as power shovels often perform excavation work in places with more unevenness than ordinary roads, the frequency of vibration generated in the body frame is high, and the vibration width is also larger than that of automobiles. large. Therefore, equipment such as a battery mounted on the vehicle needs to be firmly fixed to the vehicle body frame so as not to rattle due to vibration or the like.

The present invention has been made in view of such a problem, and provides a battery mounting structure capable of firmly fixing a battery mounted on a vehicle to a vehicle body frame so as not to rattle due to vibration or the like. With the goal.

In order to achieve the above object, the battery mounting structure according to the present invention is fixed to a vehicle body frame (for example, a swivel frame 22 in the embodiment), and a mounting table for mounting and supporting the battery, and a mounting table described above to support the battery. A bracket member (for example, the battery bracket 101 in the embodiment) having a wall portion extending above the upper surface (for example, the rear wall portion 102c of the battery bracket 101 in the embodiment) and the battery mounted and supported on the bracket member. In a lateral direction extending substantially parallel to the upper surface of the battery on the upper surface side of the battery with a clamp member (for example, the battery clamp 110 in the embodiment) installed at the upper corner of the battery on the side opposite to the wall portion. A first hook bolt that extends to connect the wall portion and the clamp member, and a stand that extends in the vertical direction that extends substantially parallel to the side surface of the battery on the side surface side of the battery, and the above-mentioned stand and the above. It is configured to include a second hook bolt that connects the clamp members.

In the battery mounting structure having the above configuration, the bracket member has a reinforcing member (for example, the first reinforcing member 108 in the embodiment) that supplements the strength of the wall portion, and the first hook bolt reinforces the hook portion. and engaged thereby to a member configured to connect the clamping member and the wall portion in a state extending in the lateral direction.

In the battery mounting structure having the above configuration, the first hook bolt locks the hook portion to the reinforcing member and is connected to the clamp member by using the first nut, and the second hook bolt has the hook portion as the pedestal described above. It is preferable that the clamp member is connected to the clamp member by using a second nut.

In the battery mounting structure having the above configuration, a battery cover for covering the battery is provided, and the battery cover is locked to a locking projection (for example, a cover locking projection 107 in the embodiment) having one end formed on the above-described stand. The other end of the battery cover extends to a position covering one side surface and the upper surface of the battery, and locking claws (for example, the first in the embodiment) formed on the wall portion and the upper end portion of the clamp member, respectively. It is preferable that the cover locking claw 102f and the second cover locking claw 111f) are locked and attached.

According to the battery mounting structure according to the present invention, the clamp member is installed at the upper corner portion of the battery, and the wall portion of the bracket member and the clamp member are held in a state of being laterally extended on the upper surface side of the battery by the first hook bolt. It is configured to be connected and to connect the mounting base of the bracket member and the clamp member in a state of being extended in the vertical direction on the side surface side of the battery by the second hook bolt. Therefore, the battery can be tightened in two directions, a lateral direction and a vertical direction. Therefore, since the battery can be firmly tightened from two directions, it is possible to prevent the battery from rattling against the vehicle body frame even in an environment where the vehicle body frame frequently vibrates, and the battery can be mounted on the vehicle body frame. Can be firmly fixed to the battery.

In the battery mounting structure according to the present invention, the bracket member has a reinforcing member that supplements the strength of the wall portion, and the first hook bolt is in a state where the hook portion is locked to the reinforcing member and extends in the lateral direction. in configured to connect the walls and the clamp member. According to such a configuration, the reinforcing member can prevent the wall portion of the bracket member from being deformed when the nut is screwed into the first hook bolt and tightened strongly, and the reinforcing member strengthens the wall portion. Can be improved. Therefore, the first hook bolt and nut can further tighten and fix the battery in the lateral direction.

In the battery mounting structure according to the present invention, the first hook bolt locks the hook portion to the reinforcing member and is connected to the clamp member by using the first nut, and the second hook bolt locks the hook portion to the mounting table. It is preferable that the clamp member is joined to the clamp member by using a second nut. With such a configuration, since the first nut and the second nut are arranged close to each other, the work flow line for fixing the battery can be shortened, and the battery attachment / detachment work becomes easy.

In the battery mounting structure according to the present invention, a battery cover for covering the battery is provided, and one end of the battery cover is locked by a locking projection formed on a mounting base of a bracket member to cover one side surface and the upper surface of the battery. It is preferable that the other end of the battery cover extends to the above position and is locked and attached to the locking claws formed on the wall of the bracket member and the upper end of the clamp member, respectively. With such a configuration, the battery cover can prevent rainwater, dust, and the like from adhering to the battery. Further, since a fixing member for fixing the battery cover is not required separately, the battery cover can be easily attached and detached at the time of battery inspection or replacement work.

It is a left side view of the power shovel which is an example of the vehicle which applied the battery mounting structure which concerns on this invention. It is a right side view of the said power shovel. It is a perspective view of the swivel body frame of the excavator seen from diagonally right front. It is a perspective view which saw the said swivel body frame substantially from the front. It is a perspective view which looked at the battery mounting structure which concerns on this invention from diagonally right front. It is a perspective view which looked at the battery mounting structure which concerns on this invention from the diagonally left front. It is a perspective view which looked at the battery mounting structure which concerns on this invention from diagonally left rear. It is a perspective view which looked at the battery mounting structure which concerns on this invention from diagonally right rear. It is a perspective view which looked at the state which attached the battery cover in the battery attachment structure which concerns on this invention from diagonally right front. It is a perspective view which looked at the state which attached the battery cover in the battery attachment structure which concerns on this invention from the diagonally left front.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In this embodiment, an example in which the battery mounting structure according to the present invention is applied to a power shovel will be described. As shown in FIGS. 1 and 2, the power excavator 1 includes a traveling body 10 configured to be able to travel, a rotating body 20 provided on the upper portion of the traveling body 10 so as to be horizontally swiveled, and a front portion of the swivel body 20. It is configured to have an excavator device 30 provided in.

The traveling body 10 is configured to include a driving wheel 11, a plurality of driven wheels 12, and a crawler mechanism 15 having crawler bands 13 hung around these wheels on both the left and right sides of the traveling body frame 14. The left and right crawler mechanisms 15 each include a traveling motor 16 that rotationally drives the drive wheels 11. The traveling body 10 is configured to be able to travel in an arbitrary direction and speed by controlling the rotation direction and rotation speed of the left and right traveling motors 16. A blade 18 is provided on the front portion of the traveling body frame 14 so as to be swingable in the vertical direction. The blade 18 is configured to be swingable up and down by expanding and contracting a blade cylinder 19 straddling the traveling body frame 14.

At the center of the upper part of the traveling body frame 14, an inner ring fixed to the traveling body frame 14, an outer ring fixed to the swivel body 20, a swivel motor provided on the swivel body 20, and a swivel motor provided inside the inner ring are swiveled. A swivel mechanism 40 having a rotary center joint for supplying hydraulic oil to the left and right traveling motors 16 and blade cylinders 19 provided on the traveling body 10 from a hydraulic pump provided on the body 20 is provided. The swivel body 20 is horizontally swiveled to the traveling body frame 14 via the swivel mechanism 40, and swivels in the left-right direction with respect to the traveling body 10 by operating the swivel motor of the swivel mechanism 40 in the forward or reverse direction. It is configured to be possible. A main body side bracket 21 projecting forward is provided on the front portion of the swivel body 20.

The excavator device 30 has a boom bracket 39 rotatably attached to the main body side bracket 21 about the vertical axis, and a boom 31 rotatably attached to the boom bracket 39 about the first swing pin 35a. The arm 32 is attached to the tip of the boom 31 so as to swing up and down around the second swing pin 35b, and the tip of the arm 32 is attached to the tip of the arm 32 so as to swing up and down around the third swing pin 35c. It is configured to have a bucket 33 provided, an arm 32, and a link mechanism 34 provided across the bucket 33. Further, the excavator device 30 includes a swing cylinder (not shown) straddled between the swing body 20 and the boom bracket 39, a boom cylinder 36 straddled between the boom bracket 39 and the boom 31, and a boom 31. It is configured to have an arm cylinder 37 straddled between the arm 32 and the arm 32, and a bucket cylinder 38 straddled between the arm 32 and the link mechanism 34.

The boom bracket 39 is configured to be rotatable in a horizontal plane with respect to the swivel body 20 (main body side bracket 21) by expanding and contracting the swing cylinder. The boom 31 is configured to be swingable in the upper and lower surfaces with respect to the swivel body 20 by expanding and contracting the boom cylinder 36. The arm 32 is configured to swing in the upper and lower surfaces with respect to the boom 31 by expanding and contracting the arm cylinder 37. The bucket 33 is configured to swing up and down with respect to the arm 32 via the link mechanism 34 by expanding and contracting the bucket cylinder 38. Various attachments such as a breaker can be attached to the tips of the arm 32 and the link mechanism 34 in place of the bucket 33.

The swivel body 20 is horizontally swivelly attached to the traveling body frame 14 via the swivel mechanism 40, and is provided on the swivel body frame 22 having the main body side bracket 21 at the front portion and the swivel body frame 22 to provide an operation room. It is configured to have a substantially rectangular box-shaped operator cabin 25 to be formed. An opening / closing door 26 that can be opened and closed sideways is provided on the left side of the operator cabin 25, and an operator (operator) can board the operation room in the operator cabin 25 from the opening / closing door 26. A slide window 27 that can be opened and closed by sliding in the left-right direction is provided on the right side of the operator cabin 25. In the operator cabin 25, an operator seat on which the operator sits, a pair of left and right traveling operation levers for operating the traveling body 10, left and right work operating levers for operating the swivel body 20 and the excavator device 30, and various operations. A switch, a display device for displaying various vehicle information, and the like are provided.

The swivel frame 22 has left and right traveling motors 16 and blade cylinders 19 in the traveling body 10, the swivel motor in the swivel body 20, and the swing cylinder and boom cylinder 36 in the excavator device 30 at positions rear of the operator cabin 25. , The arm cylinder 37 and the bucket cylinder 38 (hereinafter, collectively referred to as “hydraulic actuator”) are provided with a hydraulic drive device that supplies hydraulic oil to drive the arm cylinder 37 and the bucket cylinder 38. This hydraulic drive device determines the direction and flow rate of a diesel engine, a hydraulic pump driven by the diesel engine, a hydraulic oil tank 51 for storing hydraulic oil (see FIG. 3), and hydraulic oil supplied to a hydraulic actuator. It is configured to have a control valve to control.

When the traveling operation lever and the work operation lever in the operator cabin 25 are operated, the pilot oil pressure corresponding to the operation direction and the operation amount (collectively referred to as "operation state") from the reference position of each operation lever is released. It is supplied from the remote control valve to the control valve to operate the control valve. Then, the hydraulic oil sucked up from the hydraulic oil tank 51 and discharged from the hydraulic pump is controlled by the control valve in the direction and flow rate according to the operating state of each operating lever and supplied to the hydraulic actuator, and the hydraulic actuator operates. It is configured so that the traveling body 10 travels and the swivel body 20 and the excavator device 30 are operated.

The hydraulic drive device is provided on the swivel frame 22 in a state of being covered by a rear cover 23 provided at the rear portion of the swivel frame 22 and a side cover 24 provided on the right side of the swivel frame 22. The rear cover 23 is configured to open and close vertically with respect to the swivel frame 22, so that maintenance and inspection work (maintenance) of the hydraulic drive device can be performed with the rear cover 23 opened upward. It has become. The side cover 24 is configured to have a maintenance door 24a that can be opened and closed sideways with respect to the swivel frame 22. With the maintenance door 24a open, maintenance and inspection work of the hydraulic drive device can be performed. You can also do it.

As shown in FIGS. 3 and 4, the swivel frame 22 is provided with the work oil tank 51 of the hydraulic drive device and the battery 60 at positions where the maintenance door 24a of the side cover 24 is opened. .. The battery 60 is a storage battery for supplying electric power to the starter device of the diesel engine, electrical components such as an air conditioner (so-called air conditioner) for adjusting the temperature in the operator cabin 25, and a control controller of each device. ..

The structure for attaching the battery 60 to the swivel frame 22 will be described below. As shown in FIGS. 5 to 8, the battery mounting structure 100 includes a battery bracket 101 fixed to the swivel frame 22, a battery clamp 110, a first hook bolt 121, a second hook bolt 122, and a second hook bolt 122. It is configured to have a first nut 131 and a second nut 132 that can be screwed into the first and second hook bolts 121 and 122, respectively. In the following, the directions of the up / down, left / right, and front / back arrows shown in FIG. 5 will be described as the up / down direction, the left / right direction, and the front / back direction, respectively. These directions coincide with the front-back, left-right, and up-down directions of the power shovel 1, respectively.

The battery bracket 101 includes a mounting table 102 for mounting and supporting the battery 60, and two legs 103 and 104 provided on the lower surface of the mounting table 102 and extending downward. The mounting table 102 is formed in a flat plate shape having an area slightly larger than the lower surface of the battery 60, and the front wall portion 102a, the left wall portion 102b, and the rear wall portion 102c are formed on the front end portion, the left end portion, and the rear end portion of the mounting table 102, respectively. Is erected. The rear wall portion 102c is formed in a flat plate shape extending upward from the upper surface of the battery 60 mounted on the mounting table 102 (the height of the rear wall portion 102c is higher than the height of the battery 60). ). The front wall portion 102a and the left wall portion 102b are also formed in a flat plate shape, and the heights of these wall portions 102a and 102b are about 20 to 30 mm, which is lower than the height of the battery 60.

A rod-shaped stopper member 105 extending forward is welded to the rear wall portion 102c at the lower right end of the rear wall portion 102c. The battery 60 mounted on the mounting table 102 is in a state of being close to the inner surfaces of the front wall portion 102a, the left wall portion 102b, the rear wall portion 102c, and the stopper member 105, thereby positioning the battery 60 and positioning the battery. The 60 is designed to prevent the 60 from deviating from the mounting reference position on the mounting table 102 in the front-back and left-right directions.

A first hook locking hole 102h penetrating in the front-rear direction is formed at a position higher than the battery 60 mounted on the mounting table 102 at substantially the center of the upper portion of the rear wall portion 102c. The first hook locking hole 102h has an elongated hole shape extending in the left-right direction. At the center of the upper end of the rear wall portion 102c, a substantially L-shaped first cover locking claw 102f extending upward and extending to the right from the upper end is formed at a position above the first hook locking hole 102h. ing. A flat plate-shaped hook locking portion 106 extending forward is welded to the front wall portion 102a at substantially the center of the front surface of the front wall portion 102a. A second hook locking hole 106h penetrating in the left-right direction is formed in the hook locking portion 106. The second hook locking hole 106h has an elongated hole shape extending in the vertical direction.

Two rod-shaped cover locking projections 107 are formed on the lower surface of the mounting table 102 on the right end side at predetermined intervals in the front-rear direction. As shown in FIGS. 7 and 8, on the rear surface of the rear wall portion 102c, a rod-shaped first reinforcing member 108 crosses (crosses) a part of the first hook locking hole 102h in the vertical direction. It is provided by being welded to the rear surface of the portion 102c. Further, a rod-shaped second reinforcing member 109 is provided on the rear surface of the rear wall portion 102c by welding to the rear wall portion 102c so as to extend from the upper right end to the lower left end of the rear surface of the rear wall portion 102c. The rear wall portion 102c formed in a thin flat plate shape is made stronger by supplementing the strength such as bending rigidity by the first reinforcing member 108 and the second reinforcing member 109.

In the battery bracket 101, the mounting base 102 is fixed to the front surface of the hydraulic oil tank 51 using mounting bolts 141 in a state where the rear wall portion 102c is in contact with the front surface of the hydraulic oil tank 51, and the lower ends of the legs 103 and 104 are fixed. The portions are fixed to the inner bottom surface of the swivel frame 22 by using mounting bolts 142 and 143 (see also FIGS. 3 and 4). Therefore, the battery 60 mounted on the mounting table 102 is supported at a position higher than the inner bottom surface of the swivel frame 22, and has a predetermined height between the lower surface of the mounting table 102 and the inner bottom surface of the swivel frame 22. It is designed to form the space of. Using this space, it is possible to dispose of it through a hydraulic hose or the like connected to the hydraulic oil tank 51, or to install a hydraulic solenoid valve, electrical components, or the like. Further, since the battery 60 is supported at a position higher than the inner bottom surface of the swivel frame 22, it is easy to open the maintenance door 24a of the side cover 24 to access the battery 60, and the battery 60 is inspected. , It is easy to perform replacement work.

As shown in FIGS. 5 and 6, the battery clamp 110 is formed by bending a flat plate member at approximately 90 degrees, and is configured to be installable at the front upper corner of the battery 60. The rear end side of the battery clamp 110 is further bent upward by approximately 90 degrees to form the first hook bolt engaging portion 111. The first hook bolt engaging portion 111 is formed with a first bolt insertion hole 111h penetrating in the front-rear direction. A substantially L-shaped second cover locking claw 111f extending upward and extending to the left from the upper end portion is formed on the left upper end portion of the first hook bolt engaging portion 111. The lower end side of the battery clamp 110 is bent forward by approximately 90 degrees to form the second hook bolt engaging portion 112. The second hook bolt engaging portion 112 is formed with a second bolt insertion hole 112h penetrating in the vertical direction.

The first and second hook bolts 121 and 122 are rod-shaped members having male screw portions that can be screwed into the first and second nuts 131 and 132 on one end side, respectively, and 90 degrees or more on the other end side. It is configured to have a hook portion 121f and a hook portion 122f formed by bending.

In such a battery mounting structure 100, in order to mount the battery 60, the battery 60 is first mounted on the mounting table 102 of the battery bracket 101. At this time, the battery 60 is positioned by the front wall portion 102a, the left wall portion 102b, the rear wall portion 102c, and the stopper member 105, and the battery 60 is displaced from the mounting reference position on the mounting table 102 in the front-rear and left-right directions. Is prevented. Next, the battery clamp 110 is installed at the front upper corner of the battery 60. Then, the male screw portion of the first hook bolt 121 is inserted into the first bolt insertion hole 111h of the battery clamp 110 from the rear, and the hook portion 121f of the first hook bolt 121 is locked with the first hook of the rear wall portion 102c. It is passed through the hole 102h from the front and locked to the first reinforcing member 108, and the first nut 131 is screwed into the male screw portion of the first hook bolt 121 from the front. At this time, the first hook bolt 121 is adapted to connect the rear wall portion 102c and the battery clamp 110 in a state of extending in the front-rear direction substantially parallel to the upper surface of the battery 60. Further, two first nuts 131 are screwed into the male threaded portion of the first hook bolt 121 to form a double nut configuration, and between the first hook bolt engaging portion 111 and the first nut 131 of the battery clamp 110. A washer member is interposed.

Further, the male screw portion of the second hook bolt 122 is inserted into the second bolt insertion hole 112h of the battery clamp 110 from below, and the hook portion 122f of the second hook bolt 122 is inserted into the hook portion 102a provided on the front wall portion 102a. The second hook locking hole 106h of the stop portion 106 is passed through from the left side to be locked, and the second nut 132 is screwed into the male screw portion of the second hook bolt 121 from above. At this time, the second hook bolt 122 is adapted to connect the hook locking portion 106 (mounting base 102) and the battery clamp 110 in a state of extending in the vertical direction substantially parallel to the front surface of the battery 60. Further, two second nuts 132 are screwed into the male threaded portion of the second hook bolt 122 to form a double nut configuration, and between the second hook bolt engaging portion 112 and the second nut 132 of the battery clamp 110. A washer member is interposed.

By tightening the first hook bolt 121 and the first nut 131 arranged in this way, and the second hook bolt 122 and the second nut 132, respectively, the battery 60 is fastened in the front-rear direction and the up-down direction via the battery clamp 110. A force (tightening force) in two directions is applied, and the battery 60 is fixed to the battery bracket 101 by the force in these two directions. As described above, in the battery mounting structure 100, the battery 60 can be tightened in two directions, the front-rear direction and the up-down direction, and firmly fixed to the battery bracket 101. Therefore, even in an environment where vibration occurs frequently, the battery 60 does not rattle with respect to the battery bracket 101, and a strong mounting state of the battery 60 can be maintained. Further, in the battery mounting structure 100, since the first nut 131 and the second nut 132 are arranged close to each other, the work flow line for fixing the battery 60 can be shortened, and the battery 60 can be easily attached and detached.

As shown in FIGS. 9 and 10, the battery mounting structure 100 includes a battery cover 150 that covers the battery 60 mounted and supported on the battery bracket 101. The battery cover 150 is a vinyl chloride sheet member, and is formed to have a length dimension capable of covering the right side surface and the upper surface surface of the battery 60. Two first locking holes formed through the battery cover 150 at a predetermined interval in the front-rear direction are formed on one end side of the battery cover 150. By inserting the two cover locking projections 107 provided on the battery bracket 101 (mounting base 102) into these first locking holes, one end of the battery cover 150 is locked to the battery bracket 101 and attached. It is supposed to be. In the middle portion of the battery cover 150, two second locking holes formed through the battery cover 150 at predetermined intervals in the front-rear direction are formed. These second locking holes are formed in an elongated hole shape extending in the left-right direction. The first cover locking claw 102f provided on the rear wall portion 102c of the battery bracket 101 and the second cover locking claw 111f provided on the battery clamp 110 are inserted into these second locking holes, respectively. By stopping the battery cover 150, the battery cover 150 can be attached so as to cover the right side surface and the upper surface surface of the battery 60.

In this way, in the battery mounting structure 100, by covering the battery 60 with the battery cover 150, it is possible to prevent rainwater, dust, and the like from adhering to the battery 60. Further, since a fixing member for fixing the battery cover 150 is not required separately, the battery cover 150 can be easily attached and detached at the time of inspection or replacement work of the battery 60.

Although the embodiments of the present invention have been described so far, the scope of the present invention is not limited to the above-described embodiments. For example, in the above-described embodiment, the hook portion 121f of the first hook bolt 121 is locked to the rear wall portion 102c (first reinforcing member 108) of the battery bracket 101, and the hook portion 122f of the second hook bolt 122 is locked to the battery bracket. It is configured to be locked to the hook locking portion 106 provided on the front wall portion 102a of the 101. However, the design may be changed so that the directions of the first and second hook bolts 121 and 122 are reversed and the hook portions 121f and 122f are locked to the battery clamp 110, respectively.

Further, in the above-described embodiment, the battery bracket 101 is fixed to the front surface of the hydraulic oil tank 51, but this mounting configuration is an example, and the mounting position and mounting direction of the battery bracket 101 can be appropriately changed. Further, in the above-described embodiment, the case where the battery mounting structure according to the present invention is applied to a crawler traveling type power shovel has been described, but the present invention describes a wheel traveling type power shovel and a work machine other than the power shovel. It can be applied to various vehicles.

1 Power excavator (vehicle)
22 Swivel frame (body frame)
60 Battery 100 Battery mounting structure 101 Battery bracket (bracket member)
102 Mounting stand 102c Rear wall part (wall part)
102f 1st cover locking claw (locking claw)
107 Cover locking protrusion (locking protrusion)
108 First reinforcing member (reinforcing member)
110 Battery clamp (clamp member)
111f 2nd cover locking claw (locking claw)
121 1st hook bolt 122 2nd hook bolt 131 1st nut 132 2nd nut 150 Battery cover

Claims (3)

It is a structure that attaches the battery mounted on the vehicle to the body frame.
A mounting table fixed to the vehicle body frame to mount and support the battery, and a bracket member having a wall portion extending from the above-described stand to above the upper surface of the battery.
In the battery mounted and supported on the bracket member, a clamp member installed at the upper corner portion of the battery opposite to the wall portion and
A first hook bolt extending in the lateral direction extending substantially parallel to the upper surface of the battery on the upper surface side of the battery and connecting the wall portion and the clamp member.
It is provided on the side surface side of the battery so as to extend in the vertical direction extending substantially parallel to the side surface of the battery, and is provided with a second hook bolt for connecting the above-mentioned stand and the clamp member .
The bracket member has a reinforcing member that supplements the strength of the wall portion.
The first hook bolt is a battery mounting structure characterized in that the hook portion is locked to the reinforcing member and the wall portion and the clamp member are connected in a state of extending in the lateral direction . The first hook bolt locks the hook portion to the reinforcing member and is connected to the clamp member by using the first nut, and the second hook bolt locks the hook portion to the above-mentioned pedestal and the clamp member. The battery mounting structure according to claim 1 , wherein the battery is coupled with a second nut. A battery cover that covers the battery is provided.
One end of the battery cover is locked to a locking projection formed on the pedestal described above, and the other end of the battery cover extends to a position covering one side surface and the upper surface of the battery, and the wall portion and the wall portion. The battery mounting structure according to claim 1 or 2 , wherein the battery mounting structure is locked and mounted by locking claws formed on the upper end portions of the clamp members.

Images