JP3216009B2 - Automatic raising / lowering of a handrail rod and automatic deployment / standing lock of a platform in a vehicle elevating device. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to automatic raising and lowering of a handrail and an automatic platform of a lifting device for a vehicle.
The present invention relates to a deployment / standing lock device.

[0002]

2. Description of the Related Art Conventionally, most of a lifting device for a vehicle uses a hydraulic cylinder as a power source, rotates a parallel lifting link by an expansion and contraction action, and a gate frame pivotally supported at the tip of the lifting link. The platform supported by the lower end of the gate frame is turned upside down to lift up and down in a horizontal state, carry out cargo handling work, and stand up and store it in a vehicle to travel.

[0003]

As described in the prior art, a hydraulic cylinder used in a vehicle elevating device is
Oil leakage occurs internally due to the principle of the mechanism, and the amount of movement of the piston with respect to the cylinder is restricted, but is allowed within a certain limit. Therefore,
When stored and then extended and used again, if the oil is loosened due to the oil leak and play is accumulated in the lifting link and gate frame, the accumulation is activated instantaneously and the platform suddenly moves forward. There is a risk of being pushed out. Also,
Set the handrail that is stored in conjunction with the storage of the platform.
There is a risk of suddenly falling from the position.

[0004] In order to solve such anxiety, the present invention provides automatic raising and lowering of a handrail and automatic deployment of a platform .
・ Restart the upright lock operation from a position away from the vehicle lift.
It is intended to be able to perform a remote control operation .

[0005]

Means for Solving the Problems A parallel lift link is arranged inside a vehicle entrance of a vehicle, supports a base end of a parallel lift link, and has a gate frame axially connected to a tip end of each lift link. The hydraulic prime mover is inserted in the diagonal line between the base end side and the distal end side, and the hydraulic prime mover is rotated by expanding / contracting the diagonal axis of the parallel lifting / lowering link and rotating the parallel lifting / lowering link, and has a support shaft at the lower end of the gate frame. In a vehicle elevating device provided with a platform for connecting and disconnecting the vehicle so as to ascend and descend from an entrance / exit of a vehicle compartment and a road surface, a handrail rod is supported on a gate frame, and a base end thereof is rotatably supported by a support shaft. Connecting an extension to its proximal end, its distal end, a pivot at the proximal end of said platform,
The other end of the interlocking rod, one end of which is connected to a support shaft separated forward, is connected to a connection connector by a support shaft, and this connection connector is connected to the lifting link by a gravity action centered on the support shaft of the platform. Following the rotation, it is always connected, the handrail rod is provided in conjunction with the ups and downs of the platform, and it is provided so that it rises and falls, and the lock ring is attached to the gate frame and the support shaft at the appropriate position on the side of the adjacent lifting link corresponding to the triangle, the mounting of the locking ring and locking lock fitting engaged with the side surface of the gate frame, it features a solenoid activator Interview et Ta equipped tractive rod connecting the release lever of the lock lock bracket to the side of the gate frame, remote control Automatically raises and lowers the handrail
An automatic raising / lowering device for a vehicle , which automatically locks / unloads a platform and automatically locks / unlocks a handrail in a vehicle elevating device.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION A parallel lift link is disposed inside an entrance of a vehicle cabin, a base end of a parallel lift link is pivotally supported, and a gate frame is axially connected to a distal end of each lift link. A hydraulic prime mover is inserted across the diagonal line between the end side and the distal end side, and the hydraulic prime mover is rotated by rotating the parallel vertical lift link by expanding and contracting the diagonal axis of the parallel vertical link and holding the support shaft at the lower end of the gate frame. In a vehicle elevating device provided so as to ascend and descend the platform entrance and exit of a vehicle cabin and a road surface, a handrail rod is supported on a gate frame such that a base end thereof can be raised and lowered by a support shaft, An extension is connected to the base end, and a connection end is connected to the base, a support shaft at the base end of the platform, and the other end of an interlocking rod having one end connected to a support shaft separated forward. And connect this connecting connector to the platform link The rail is always connected following the rotation of the gravitational action around the support shaft of the system, and the handrail rod is provided so as to move up and down in conjunction with the undulation of the platform, and it is adjacent to the gate frame and the support shaft corresponding to the triangle. A lock ring is attached to an appropriate position on the side surface of the elevating link, a lock fitting engaged with the lock ring is attached to the side surface of the gate frame, and an electromagnetic actuator having a traction rod connected to an opening lever of the lock lock is provided. > Ji Interview et Ta features on the side of the gate frame, remote control
Automatic operation of the handrail rod and platform
Automatic raising / lowering of a handrail bar and a platform in a vehicle lifting / lowering device characterized by performing automatic deployment / standing lock
Automatic deployment / standing lock device.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A description will now be given, with reference to the accompanying drawings, of an embodiment of a device for automatically raising and lowering a handrail and for automatically expanding and raising a platform in a vehicle elevating device according to the present invention.
The vehicle elevating device 1 has an abutment plate 5 arranged in a transverse direction on a floor surface 4 inside a doorway 3 of a cabin of a vehicle 2, and opposes at both ends of the abutment plate 5 at a required distance from side to side. Outer support plate 6
a and the inner support plate 6b are arranged upright, and the base ends of the lifting links 8a and 8b are pivotally supported on the support shafts 7a and 7b supported by the outer support plate 6a and the inner support plate 6b.
a, a support shaft 10 on the top of the gate frame 9
a, and 10b, and the connecting end 11a of the hydraulic cylinder 11 is connected to the support shaft 7a, the connecting end 12a of the opposite piston rod 12 is connected, and the hydraulic prime mover 13 is inserted. Is operated to expand and contract between the connection end 11a and the connection end 12a to rotate the elevating links 8a and 8b, and connect the platform 15 connected to the lower end of the gate frame 9 with the support shaft 14 in the cabin of the vehicle 2 It is provided so that the entrance 3 and the road surface can be raised and lowered.

A handrail 16 is provided on the gate frame 9.
The base end is supported by a support shaft 17 so as to be able to move up and down, an extension portion 16a is connected to the base end, and a front end thereof and a support shaft 18 separated from the support shaft 14 at the base end of the platform 15 on the front side.
The other end of the interlocking rod 19, one end of which is connected to a connecting connector 21 by a support shaft 20, and this connecting connector 21 is connected to the lifting link 8b by a gravity action centered on the support shaft 14 of the platform 15. The handrail rod 16 is provided so as to follow the movement and be constantly connected, and the handrail rod 16 moves up and down in conjunction with the up and down movement of the platform 15.

Reference numeral 22 denotes a lock ring, which is a lifting link 8b which is adjacent to the gate frame 9 and the support shaft 10b in a triangular shape.
Of the platform 1
5 is provided so as to reach the side surface position of the gate frame 9 corresponding to the upright storage.

Reference numeral 23 denotes a lock fitting which is engaged with the lock ring 22 and is attached to a side surface of the gate frame 9. The lock fitting 23 has a plate 25 provided with a fitting groove 24 of a lock ring 22 at a corresponding edge, and a lock claw 26 pivotally supported inside the plate 25. When the lock ring 22 is fitted, the lock claw 26 is provided. Rotates and engages with the lock ring 22, and at the same time, although not shown, for example, a rotation stop provided inside engages to stop the rotation of the lock claw 26. For example, the release lever 27 is associated with the rotation stop, and the outer end of the release lever 27 reaches the outside of the lock fitting 23.

[0011] 28 is an electromagnetic activator Interview et Ta, features and the locking lock fitting 23 to the side of the gate frame 9, and connects the distal end of the traction actuating rod 29 comprises a release lever 27 of the locking lock fitting 23 .

Reference numeral 30 denotes an up-and-down connecting plate for passing the front end of the platform 15 and the entrance 3 of the vehicle.
When 5 rises and approaches the entrance 3 of the vehicle, the gap is communicated. When the platform 15 is stowed and stored, it is pushed up by the platform 15 and is similarly stood up and stored.

[0013]

The present invention is as described above. Therefore, when stored and then used again after being stored, even if the oil is loosened due to the oil leakage and play is accumulated in the lifting link and the gate frame. The platform and the handrail are not protruded unless the lock is released because the lifting link, the gate frame and the support shaft are locked in a triangle.

Therefore, the side position of the gate frame
And locking lock fitting Te, because deploying the electromagnetic accession <br/> Chi Interview et Ta connecting with its open lever, the lifting device and a release vehicle
In the safe position, it operates the electromagnetic activator Interview error over data <br/> over the remote control operation, handrail rod by unlocking the lock lock fitting
Automatic undulation and platform automatic deployment and
Can be used as a welfare vehicle.
From the viewpoint of ensuring the safety of the vehicle
It is intended to do so the large benefits.

[Brief description of the drawings]

FIG. 1 is a side view showing a state in which a platform is raised in a vehicle elevating device and stored in a vehicle by a solid line, and a state in which the platform is set down and set outside the vehicle by a temporary line.

FIG. 2 is a sectional view showing a connection state of a lifting link, a gate frame, a hydraulic power source, a platform, and a handrail.

FIG. 3 is a partial partial plan view showing a state in which the platform is set down and set outside the vehicle in the vehicle elevating device.

4 is an enlarged partial side view showing an engagement state and the lock lock fitting and the electromagnetic Accession <br/> Chi Interview et Ta connected state of the lock lock fitting on the locking ring and the gate frame on the lift link.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Vehicle lifting apparatus 2 Vehicle 3 Entry / exit 4 Floor surface 5 Abutment plate 6a Outer support plate 6b Inner support plate 7a Support shaft 7b Support shaft 8a Lift link 8b Lift link 9 Gate frame 10a Support shaft 10b Support shaft 11 Hydraulic cylinder 11a Connection end 12 Piston rod 12a Connection end 13 Hydraulic prime mover 14 Support shaft 15 Platform 16 Handrail rod 16a Extension 17 Support shaft 18 Support shaft 19 Interlocking rod 20 Support shaft 21 Connection connector 22 Lock ring 23 Lock fitting 25 Fitting groove 25 plate 26 lock claw 27 open lever 28 electromagnetic activator Interview et Ta 29 towing operation rod 30 undulating contact plate

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B60P 1/44

Claims (1)

(57) [Claims] 1. A base frame of a parallel lift link, which is disposed inside an entrance of a vehicle cabin, supports a base end of a parallel lift link, and a gate frame is axially connected to a distal end of each lift link. A platform in which a hydraulic prime mover is inserted in the diagonal line between the hydraulic prime mover and the tip end side, the diagonal axis of the parallel vertical lift link is expanded and contracted, the parallel vertical lift link is rotated, and a support shaft is connected to the lower end of the gate frame with a support shaft. In a vehicle elevating device which is provided so as to ascend and descend the entrance / exit of a vehicle compartment and a road surface, a handrail rod is rotatably supported on a gate frame by a support shaft so that a base end thereof can be raised and lowered. An extension is connected to the end, and the distal end, the support shaft at the base end of the platform, and the other end of the interlocking rod, one end of which is connected to the support shaft separated forward, are connected to the connection connector by the support shaft. This connecting connector is connected to the lifting link by the support of the platform. The rail link is always connected following the rotation of the gravitational action around the axis, and the handrail rod is provided so as to move up and down in conjunction with the up and down of the platform. mounting the lock ring on the side surface position, mounting the lock lock fitting to the locking ring engages the side surface of the gate frame, electromagnetic activator Interview equipped tractive rod connecting the release lever of the lock lock fitting
It features a picture Ta on the side of the gate frame, remote control Misao
Automatic lifting and lowering of railing rods and platform
Own automatic undulations and platform handrail rods in the vehicle lifting device which is characterized in that the expansion-standing locking
Dynamic deployment / standing lock device.