JP4899989B2 - Spare tire transfer device - Google Patents

Description

  The present invention relates to a spare tire transfer device for use in an operation of transferring a spare tire below a spare tire storage portion of a vehicle and transferring the spare tire to a spare tire storage portion in a vehicle assembly line.

  A part of the vehicle assembly line is provided with a process of transferring a spare tire with wheels (hereinafter simply referred to as a spare tire) to the vehicle. When each vehicle is transported on this line and reaches the spare tire transfer process, a spare tire corresponding to the vehicle mounted is supplied from the tire supply source to the spare tire mounting carriage. For example, as shown in FIG. 8, the spare tire 150 placed on the spare tire mounting carriage 160 is transported directly below the vehicle 100 on the assembly line 140 and is suspended from the spare tire storage unit 110 of the vehicle. The tension member 120 is engaged with the tip of the tension member 120 and is held suspended. Thereafter, when the vehicle is transported on the line 140 and reaches a relatively low position (not shown), a tension member 120 such as a chain in which the spare tire 150 is suspended by a winder (not shown) is wound by an operator. The spare tire 150 is stored in the spare tire storage unit 110 of the vehicle.

  For example, as shown in FIG. 8, the spare tire mounting carriage 160 used here is provided with a tire support base 170 on which a spare tire 150 is placed on the top of the carriage, and the support base 170 is driven up and down by electric or air pressure. The device 180 is raised by a predetermined amount. Further, the tire support stand 170 in the raised position is tilted and held by the tilting device 190 driven by electric power or air pressure so as to face the operator side.

  In Japanese Utility Model Publication No. 2-45804 (Patent Document 1), a simple tire is used to place a spare tire at the lower portion of the vehicle, a chain that locks the spare tire is wound up, and a spare tire storage portion is spared. A structure for housing a tire is disclosed. Further, in Japanese Patent Laid-Open No. 6-80090 (Patent Document 2), a spare tire is arranged at the lower part of the vehicle using an attachment carriage, and the first spare tire is inclined on the attachment carriage and transferred to the upper carrier. The spare tire mounting device is disclosed in which the second spare tire is inclined and transferred to the lower carrier in the same manner, and is stored in the lower portion of the spare tire storage portion by the lifter. Is done.

Japanese Utility Model Publication No. 2-45804 Japanese Patent Laid-Open No. 6-80090

By the way, when a spare tire is stored in the spare tire storage part of the vehicle on the assembly line, the tip of a tension member such as a chain hanging from the spare tire storage part is locked to the spare tire on the spare tire mounting carriage. It is required to perform work with good workability.
In this case, the spare tire mounting trolley holds the spare tire on the trolley at an appropriate height position, the spare tire is lowered at the front side of the operator, and the rear end side in the depth direction is raised. It is desirable that the working state is held in a state where it is easy to visually check.

  However, if a spare tire mounting carriage that moves on the floor of the assembly line is equipped with a lift drive device such as an electric motor or an inclination drive device, wiring and piping will be extended from the carriage, and on the floor of the assembly line Interfering with work. Furthermore, the carriage drives the drive sources of the spare tire lift drive unit and the tilt drive unit in two stages to drive them, and accordingly, the work time increases and the workability decreases. In addition, the two drive devices in the spare tire mounting carriage tend to cause an increase in weight, and in this respect also, workability is likely to deteriorate. In addition, with respect to each of the problems as described above, each device of Patent Documents 1 and 2 does not present a solution, and an improvement is desired.

  The present invention has been made paying attention to the above-mentioned problems, and it is possible to perform the work of locking the tip of a tension member such as a chain hanging from the spare tire storage portion of the vehicle to the spare tire with good workability. An object of the present invention is to provide a spare tire transfer device that can be used.

In order to achieve the above-mentioned object, the invention according to claim 1 is directed to a carriage that can move below the vehicle that has reached the spare tire transfer process of the assembly line, and is supported on the upper part of the carriage and supplied with a spare tire. A tire support stand that arranges a spare tire received from a source opposite to a lower portion of a spare tire storage portion of the vehicle, and a front side edge portion and a front side edge portion of the carriage that the operator of the cart faces face each other from above. A rack and pinion mechanism is used to rotate a vertical swing link lever disposed between the base end of the tire support base and pinned at opposite ends thereof, and a rotary handle supported by the carriage and manually operated. It has a lift member which is moved up and down operation in the same elevator mechanism and the lifting mechanism for converting the movement, and the lifting force input the upper end of the elevating member is formed on the back side of the base end portion of the tire support table A lifting device that is pin-coupled to the rear end of the tire, and the lifting amount of the lifting member is set so that the tire support is inclined by a predetermined amount as the rear side of the tire support base is greatly raised from the base end portion thereof. And

  According to a second aspect of the present invention, there is provided the spare tire transfer device according to the first aspect, wherein the pulley is pivotally supported by the carriage and disposed above the lower end of the elevating member, and the intermediate portion is wound around the pulley. And a balance holding device having one end connected to the lower end of the elevating member and the other end connected to a weight of a predetermined weight.

  The invention according to claim 3 is the spare tire transfer device according to claim 1 or 2, wherein the elevating mechanism supported by the carriage has a rack formed on the elevating member, a pinion meshing with the rack, And a manual rotation handle integrally coupled to the pinion via a rotation shaft and pivotally supported in the vicinity of the front side edge of the carriage.

  According to a fourth aspect of the present invention, in the spare tire transfer device according to the third aspect of the present invention, the bogie side tooth portion formed on the bogie side, and a rotation shaft that connects the pinion and the manual rotation handle are integrally formed. And a clutch having a shaft-side tooth portion that can be engaged with the cart-side tooth portion by switching operation in the rotation axis direction.

According to the spare tire transfer device according to claim 1, when the lifting force input portion of the tire support is lifted and displaced by the lifting mechanism, the rear side of the base end portion where the lifting amount is regulated by the vertical swing link lever As the amount of increase increases, the tire support base tilts toward the back side from the base end. Therefore, when the rotary handle of the lifting mechanism is manually rotated forward or backward, the tire support can be easily lifted and tilted with good operability via the rack and pinion mechanism and the lifting member. Furthermore, the operator must perform the work of attaching the hook portion of the tension member that hangs down from the spare tire storage portion of the vehicle located above the spare tire placed on the inclined tire support base in an easy-to-view state for the operator. Workability is improved. Note that a wire cable or a chain may be employed as the tension member here.

  According to the spare tire transfer device according to claim 2, the weight on the tire support base side applied to the upper end of the elevating member is canceled by the upward force transmitted from the weight applied to the lower end of the elevating member. The operating force can be relatively reduced, and the lifting operation can be facilitated.

  According to the spare tire transfer device according to claim 3, when an operator located near the front side edge of the carriage rotates the manual rotation handle forward or backward, the tire support is provided via the rack and pinion mechanism and the lifting member. The stand can be raised, tilted or lowered, especially because it is a manual operation, no air or electric drive source is required, no wiring or piping is connected to the carriage, and there is no wiring or piping on the assembly line. Workability is improved without interfering with work.

  According to the spare tire transfer device of the fourth aspect, while the shaft side tooth portion and the cart side tooth portion are separated from each other, the lifting device is driven by the operation of the manual rotary handle to By moving up and down and meshing the shaft side teeth and the cart side teeth, the rotating shaft can be locked and the tire support can be held at the desired tilt angle, so spare tires on the tilted tire support can be spared. An operation for attaching a hook portion or the like of a tension member that hangs down from the tire storage portion can be performed in an easily visible state by an operator, and workability is improved.

1 to 3 show a spare tire transfer device of the present invention.
This spare tire transfer device 1 is arranged between a spare tire transfer step R1 set in a part of the vehicle assembly line R shown in FIGS. 4 and 5 and a tire supply device 2 in the vicinity of the spare tire transfer step R1. The spare tire T is placed and moved.
Here, first, an assembly line R in which the spare tire transfer device 1 is used will be described.

As shown in FIGS. 4 and 5, an overhead conveyor (hereinafter simply referred to as a conveyor) 3 is provided in a part of the spare tire transfer process R1 of the vehicle assembly line R. The conveyor 3 includes a rail 4 supported on the ceiling side in the conveyance direction S, and a plurality of conveyance frames 5 that are roller-engaged with the rail 4 and move at a low speed in the conveyance direction S while maintaining a predetermined distance from each other.
The conveyance frame 5 is substantially rectangular in a plan view and is connected to the rail 4 side via a roller, and a side view in which the bottom of the vehicle C that is suspended and mounted on the base frame 501 is placed without deviation. And an L-shaped arm frame portion 502.

  This transport frame 5 can be easily viewed by the operator at the bottom of the vehicle C above the head when moving in the high position transport area R1H provided at the front part (right side in FIG. 5) of the spare tire transfer process R1. Transport while maintaining the height. Further, the transport frame 5 can move at a low speed while holding the vehicle C at a height at which an operator can work in the vehicle when moving in the subsequent low-position transport area R1L.

  Such a spare tire transfer device 1 that moves on the floor F of the spare tire transfer step R1 is placed on a rectangular frame-like cart 11 and an upper portion of the cart 11 so as to be vertically movable as shown in FIG. An operation handle that applies a pressing force for driving the carriage to the front side edge f1 on the front side (right side in FIGS. 1 and 3) facing the operator of the carriage 11 at the upper part of the carriage 11 13, a left and right vertical link lever 14 (only shown on the left side in FIG. 1) that pin-connects the front side edge portion f <b> 1 of the carriage 11 and the base end portion 121 of the tire support base 12, and the tire support base 12. A lifting device 15 for lifting and lowering operation, a balance holding device 16 connected to the lifting device 15, and a clutch 17 attached to the lifting device 15 are provided.

As shown in FIGS. 1 to 3, the carriage 11 includes a rectangular lower frame 18, a rectangular upper frame 19, and four corner vertical columns 21 that connect the upper and lower frames to each other.
As shown in FIG. 3, the upper frame 19 forms a substantially rectangular frame in plan view. That is, the upper frame 19 has a front side edge (right side edge in FIG. 3) f1 facing the operator of the carriage 11 and a back side edge on the back side (left side in FIG. 3) farther in the depth direction A. A portion f2 and left and right edge portions f3 and f4 separated in the width direction B. Further, the intermediate portions of the left and right edge portions f3 and f4 are connected in the depth direction A by the intermediate front bar 22 and the intermediate rear bar 23 (see FIGS. 2 and 3) that are separated from each other.

The operation handle 13 is integrally coupled to the left and right ends of the front side edge portion (right side edge portion in FIG. 3) f1 that is an upper portion of the carriage 11 and that the operator of the carriage 11 faces.
As described above, the operation handle 13 provided side by side with the front side edge portion f1 is provided long in the width direction B and is formed in a substantially U shape in plan view, and the operator applies a pressing force to the operation handle 13. The carriage 11 can travel.

The lower frame 18 has a substantially rectangular frame in plan view, and as shown in FIG. 1, the front end portions of the left and right edge portions f3 and f4 (shown only on the left side in FIG. 1) are a predetermined amount from the front edge portion f1. It is extended. Here, carriers 25 are integrally attached to the lower surfaces of the four corners of the lower frame 18 so that the carriage 11 can run on the floor F only with roller friction. Each carrier 25 includes a roller 251, a pivot member 252 that pivots the roller 251, and a pivot substrate 253 that supports the pivot member so as to be able to rotate 360 degrees, and the pivot substrate 253 is the lower frame 18. It is bolted to the lower surface of
A carrier lock 26 is attached to the center of the front edge f1 (the edge on the front side in FIG. 2) of the lower frame 18, so that the cart 11 that moves can be locked onto the floor F in a timely manner. I can do it.

  In this embodiment, as shown in FIGS. 1 and 2, the support member on the carrier lock 26 attachment side (lower substrate 261) is supported so as to be able to rotate 360 degrees, and the opposite side (upper substrate 261). Is fixed. That is, the carrier lock 26 is slidably fitted on the base plate 261 that is bolted to the lower surface of the lower frame 18, the fixed shaft 262 that discharges below it, and the fixed shaft 262, and the slip stopper d is attached to the lower end. A movable shaft 263, a pedal lever 264 that moves the movable shaft 263 up and down by lever operation, and a base end of the pedal lever 264 that is pin-coupled by an intermediate support portion g, and a bent that has its base end pin-coupled to the substrate 261 Lever 265. The intermediate portion of the pedal lever 264 is pin-coupled to the movable shaft 263, and the swinging end i of the bending lever 265 rotates upward in conjunction with the pedal lever 264 being stepped on and rotating about the pin. (The state of FIG. 1), the movable shaft 263 moves downward and the slip stopper d is pressed against the floor F, so that the locked state is maintained and the lock is released by the reverse operation. .

  As shown in FIGS. 1 and 3, the tire support 12 at the top of the carriage 11 is supported by the upper frame 19 of the carriage 11. That is, the tire support base 12 is connected between the front side edge portion f1 of the upper frame 19 and the base end portion 121 facing the left and right vertical swing link levers 14 (shown only on the left side in FIG. 2). An input bar 37 (see FIG. 1) as a lifting force input portion formed on the depth side A of the tire support 12 is pin-coupled to the lifting device 15 side as will be described later.

  As shown in FIG. 2, the tire support 12 has a rectangular frame shape including front, rear, left and right bars 121, 122, 123, 124. In addition, the left and right bars 123 and 124 are connected by front and rear auxiliary bars 28 and 29, the front auxiliary bar 28 and the front bar 121 are connected by the front short plate 31, and the rear auxiliary bar 29 and the rear bar 122 are connected by the rear short plate 32, respectively. Has been. On the tire support 12, a circular dish-shaped tire receiver 33 for placing the spare tire T without displacement is placed and fixed to each other.

As shown in FIG. 2, the tire receiver 33 is formed with a central hole 34, and the central hole 34 is formed to have an inner diameter close to the inner diameter of the boss portion of the wheel hub h of the spare tire T. A hook K1 at the tip is formed to be insertable.
As shown in FIG. 1, a pair of left and right vertical peristaltic link levers 14 are provided between a proximal end portion 121 on the near side of the tire support base 12 and a near side edge portion f <b> 1 of the upper frame 19. The base end of each vertical swing link lever 14 is pin-coupled to a base end joint 35 fixed to the front side edge portion f 1, and the swing end is pin-coupled to a swing joint 36 protruding downward from the base end portion 121. The vertical swing link lever 14 pivots upward at the swing end about the base end, whereby the base end 121 of the tire support 12 is raised by a lift amount H1 corresponding to the length of the vertical swing link lever 14. Allows movement.

An input bar 37 as a lifting force input portion is attached between the left and right bars 123 and 124 on the back side from the base end portion of the tire support base 12, and an input joint is provided on the left and right end sides of the lower surface of the input bar 37. 38 (see FIG. 2) project from each other.
The upper end arm 41 side of the elevating member 39 is pin-coupled to the left and right input joints 38.
As shown in FIGS. 1 and 2, the elevating device 15 includes an elevating mechanism unit 400 supported by the carriage 11 and an elevating member 39 operated by the elevating mechanism unit 400.
As shown in FIG. 2, the elevating member 39 includes left and right vertical bars 42 and 42, and upper and lower horizontal bars 43 and 44 that connect the upper and lower ends thereof to each other.

The left and right vertical bars 42 and 42 are slidably fitted into bearing members 45 and 45 supported near both ends of the intermediate rear bar 23 on the upper frame 19 side. Near the both ends of the upper horizontal bar 43, an upper end arm 41 protrudes forward, and the tip is pin-coupled to the left and right input joints 38 on the tire support 12 side.
For this reason, the vertical operation force from the elevating member 39 is applied to the tire support 12 via the upper end arm 41 and the input joint 38, and the tire support 12 can be moved up and down.

  The elevating mechanism unit 400 is integrally formed with the vertical rack gear 73 integrally attached to one right vertical bar 42, a pinion gear 74 (see FIG. 7) meshing with the rack gear 73, and the depth direction A. A long support shaft 75, and a pivotal support portion that pivotally supports two locations, the rear side end (left side in FIGS. 1 and 7) and the front side near end (right side in FIGS. 1 and 7). 76 and 77, and a rotary handle 78 integrally coupled to the front end of the rotary shaft 75.

As shown in FIG. 7, the two pivotal support portions 76, 77 on the back side end and the near side include mounting brackets 71, 72 welded to the upper frame 19 side, and the outer cases 761, 771 are supported by these. . Inner cases 762 and 772 are provided inside the outer cases 761 and 771 through bearings, and these are integrally attached to the rotating shaft 75.
Here, the lifting and lowering device 15 operates the rack and pinion mechanism by the operator rotating the rotary handle 78, and the lifting member 39 is operated up and down, and this is added to the tire support 12 through the input joint 38, and the tire support 12 Can move up and down.

Here, the tire support base 12 is regulated by the longitudinal swing link lever 14 in the amount of elevation H1 of the base end 121 thereof. For this reason, as shown in FIG. 1, the tire support 12 is lifted so that the input bar 37 on the back side of the base end portion 121 holds a large lift amount H <b> 2, thereby maintaining a predetermined amount of tilt angle θ and tilting. To do. In addition, the raising amount of the back side of the raising / lowering member 39 is regulated by a stopper (not shown).
A clutch 57 is attached to the rotating shaft 75 of the elevating member 39.

  As shown in FIG. 7, the clutch 57 includes a cart side tooth portion 83 formed on the cart side, and a shaft side tooth portion 84 formed integrally with an intermediate portion of a rotating shaft 75 that connects the pinion gear 74 and the rotary handle 78. And formed. Here, the trolley side teeth 83 are supported by the trolley side front mounting bracket 72, arranged in an annular shape around the rotation shaft 75, and disposed on the opposite side of the front pivot support portion 77 from the outer case 771. The shaft side teeth 84 are arranged in an annular shape around the rotation shaft 75, and are formed so as to be able to mesh with the cart side teeth 83 by being switched to the rotation shaft direction integrally with the rotation shaft 75.

  The shaft-side tooth portion 84 is detached from the carriage-side tooth portion 83 and is idle during the rotation operation of the rotary handle 78 by the operator. In the meantime, the rack and pinion mechanism works, the elevating member 39 is operated up and down, and the tire support 12 can be moved up and down. Thereafter, the shaft side tooth portion 84 is moved in the direction of the rotation axis together with the rotary handle 78 and the rotation shaft 75, and the shaft side tooth portion 84 meshes with the carriage side tooth portion 83, so that the rotation shaft 75 and the tire support base 12 are engaged. Block movement and lock.

Next, as shown in FIGS. 1 and 2, a balance holding device 40 is attached to the elevating member 39.
A sprocket 49 as a pulley is provided above the lower horizontal bar 44 that forms the lower end of the elevating member 39. As shown in FIGS. 1 and 6, the sprocket 49 is pivotally supported at the center of the intermediate front bar 22 on the upper frame 19 side via a pivotal support member 51 and via a bearing B1.
As shown in FIGS. 1 and 2, an intermediate part of a chain 52 as a cord-like body is wound around the sprocket 49. One end of the chain 52 is connected to the lower horizontal bar 44 of the elevating member, and the other end is connected to a weight 53 having a predetermined weight.

The weight 53 is integrally formed by bundling a plurality of substantially rectangular metal plates on a stack, and U-shaped notches 531 (see FIG. 3) are formed on the left and right side edges of the bundle-like metal plates. The weight 53 is disposed between a pair of left and right guide vertical bars 55 and 55 attached upward to a lower intermediate bar 54 connecting the left and right edge portions f3 and f4 on the lower frame 18 side. In this case, the weight 53 can move up and down while avoiding mutual interference by the U-shaped notch 531 on the left and right side edges being loosely fitted with the pair of left and right guide vertical bars 55, 55, and an excessive roll can be caused by a pair of guide vertical bars. It can be blocked by 55 and 55.
The operation of the spare tire transfer device of FIG. 1 will be described.

  As shown in FIGS. 4 and 5, when one vehicle C reaches the spare tire transfer process R1, the operator keeps the spare tire T supplied in advance from the tire supply device 2 in a horizontal position, and the spare tire transfer device. 1 is pushed and moved, and it reaches just under the spare tire storage part of the vehicle C. Then, the carrier lock 26 is switched to the locked state. Further, the rotary handle 78 is operated to disengage the shaft-side tooth portion 84 from the cart-side tooth portion 83, and in this state, the rotary handle 78 is rotated so that the base end portion 121 of the tire support base 12 is moved to the vertical rocking link lever 14. It is rotated so that the rear side is held at the rising amount H2 to the rising amount H1 regulated by the above.

Then, the rotary handle 78 is operated to the axial depth side A, the shaft side teeth 84 are engaged with the cart side teeth 83, and the rotary shaft 75 and the tire support 12 are locked.
In this case, the weight W on the tire support base 12 applied to the upper end of the elevating member 39 is canceled by the upward force F1 transmitted from the weight 53 applied to the lower end of the elevating member 39. It can be reduced and the lifting operation can be facilitated.

Next, the operator inserts and locks the hook member K1 at the tip of the cable K (tension member) hanging from the spare tire storage portion M of the vehicle C into the inclined wheel hole hn of the spare tire T. At this time, the shaft-side tooth portion 84 and the carriage-side tooth portion 83 are engaged with each other, so that the rotating shaft 75 can be locked and the tire support base 12 can be held at the desired inclination angle θ without any deviation, thereby improving workability. To do.
Moreover, it is easy to see the operation of inserting and locking the hook portion K1 of the cable K hanging from the spare tire storage portion M to the spare tire T on the inclined tire support base 12 into the wheel hole hn of the inclined spare tire T. The workability is improved.

  Further, the spare tire transfer device 1 shown in FIG. 1 is configured such that when the rotary handle 78 located in the vicinity of the front side edge f1 of the carriage 11 is manually rotated forward or backward, the tire is transferred via the rack and pinion mechanism and the lifting member 39. The support base 12 can be easily lifted and tilted with good operability. In particular, manual operation eliminates the need for an air or electric drive source, and there is no connection of wiring or piping to the carriage 11, and wiring or piping is routed on the floor F of the assembly line R. This can be eliminated and does not interfere with the work, and the workability is improved in this respect as well.

  The vehicle C supported by the transport frame 55 engages the spare tire T with the hook portion K1 at the tip of the cable K and keeps the spare tire T in the suspended state (see FIG. 5). From the high position conveyance area R1H, the vehicle C is conveyed to a low-speed transfer position conveyance area R1L where the vehicle C is held at a height that allows the operator to work in the vehicle C. At that time, a winder (not shown) provided in the spare tire storage portion M in the vehicle is wound up by the operator, the cable K that suspends the spare tire T is wound up, and the spare tire T is attached to the vehicle C. It is easily stored in the spare tire storage unit M.

It is a side view of the spare tire transfer device as one embodiment of the present invention. It is a top view of the spare tire transfer apparatus of FIG. It is a front view of the spare tire transfer apparatus of FIG. FIG. 2 is a schematic plan view of a spare tire transfer process for a part of an assembly line on which the spare tire transfer device of FIG. 1 is traveling. FIG. 2 is a schematic side plan view of a spare tire transfer process of a part of an assembly line on which the spare tire transfer device of FIG. 1 is traveling. It is principal part structure explanatory drawing of the sprocket in the balance apparatus used with the spare tire transfer apparatus of FIG. It is principal part structure explanatory drawing of the raising / lowering apparatus used with the spare tire transfer apparatus of FIG. It is a schematic side view of a conventional apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Spare tire transfer apparatus 11 Bogie 12 Tire support stand 121 Base end part 14 Vertical rocking link lever 15 Lifting apparatus 37 Input bar (lifting force input part)
39 Lifting member 400 Lifting mechanism portion f1 Front side edge portion θ Inclination angle A Depth direction C Vehicle H1 Lift amount H2 Lift amount M Spare tire storage portion R Assembly line R1 Tire assembly area T Spare tire

Claims (4)

A carriage that can move below the vehicle reaching the tire assembly area of the assembly line;
A tire support that is supported on an upper portion of the carriage and that is disposed opposite to a lower portion of a spare tire storage portion of the vehicle, the spare tire received from a spare tire supply source;
The vertical operator is provided between the front side edge of the carriage facing the operator of the carriage and the base end of the tire support base facing the front side edge from above, and the opposite ends are pin-coupled. A peristaltic link lever;
A lifting mechanism that is supported by the carriage and is manually operated to convert the rotation of the rotating handle into a vertical movement by a rack and pinion mechanism; a lifting member that is lifted by the lifting mechanism ; and an upper end of the lifting member Elevating device pin-coupled to a lifting force input portion formed on the back side from the base end portion of the tire support,
The spare tire transfer device according to claim 1, wherein the lifting amount of the elevating member is set so that the tire support is tilted by a predetermined amount when the back side of the tire support base is largely raised from the base end portion. In the spare tire transfer device according to claim 1,
A pulley pivotally supported by the carriage and disposed above the lower end of the elevating member, an intermediate portion is wound around the pulley and one end is connected to the lower end of the elevating member and the other end has a predetermined weight. A spare tire transfer device comprising a balance holding device having a cable-like body connected to a weight. In the spare tire transfer device according to claim 1 or 2,
The elevating mechanism supported by the carriage is integrally coupled to the rack formed on the elevating member, the pinion meshing with the rack, and the pinion via a rotation shaft, and is pivoted near the front side edge of the carriage. A spare tire transfer device comprising a supported manual rotating handle. In the spare tire transfer device according to claim 3,
It is integrally formed with a cart side tooth portion formed on the cart side and a rotating shaft connecting the pinion and the manual rotation handle, and is engaged with the cart side tooth portion by switching operation in the direction of the rotating shaft. A spare tire transfer device, characterized in that a clutch having a shaft side tooth portion that can be used is provided.

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