KR20150029314A - Mobile vehicle lifting device - Google Patents

Mobile vehicle lifting device Download PDF

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Publication number
KR20150029314A
KR20150029314A KR20130108324A KR20130108324A KR20150029314A KR 20150029314 A KR20150029314 A KR 20150029314A KR 20130108324 A KR20130108324 A KR 20130108324A KR 20130108324 A KR20130108324 A KR 20130108324A KR 20150029314 A KR20150029314 A KR 20150029314A
Authority
KR
South Korea
Prior art keywords
front wheel
handle
shaft
wheel shaft
hinge
Prior art date
Application number
KR20130108324A
Other languages
Korean (ko)
Inventor
정선래
권오현
Original Assignee
주식회사 리비코
권오현
정선래
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 리비코, 권오현, 정선래 filed Critical 주식회사 리비코
Priority to KR20130108324A priority Critical patent/KR20150029314A/en
Publication of KR20150029314A publication Critical patent/KR20150029314A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Handcart (AREA)

Abstract

The present invention relates to a movable vehicle lifting apparatus and, more specifically, to a movable vehicle lifting apparatus capable of easily maintenance working by lifting or lowering a movable vehicle lifting apparatus as the movable vehicle lifting apparatus is supported by a lower chassis of a vehicle, correctly setting a supporting position by controlling a direction as a user operates a handle, and significantly improving safety performance by having a safety device not to be unexpectedly unfolded while being lifted. The present invention relates to the movable vehicle lifting apparatus comprising: a lower operating part including a front wheel shaft wherein a front wheel is combined with both sides, a rear wheel shaft wherein a rear wheel is combined with both sides, and a cylinder device having a rod to connect the rear wheel shaft and the front wheel shaft and expansion-operated; an upper operating part including a frame whose one end is hinge-combined with the front wheel shaft, and a link hinge-combined with a connection part formed in the middle end of the frame and hinge-combined with the rear wheel shaft; a supporting stand including a horizontal bar hinge-combined with the upper end of the frame, and a plurality of folks in the upper part of the horizontal bar; and a handle part including a driving part box hinge-combined with the front wheel shaft, a rotary wheel mounted on the lower part of a bracket formed in one end of the driving part box, a handle shaft hinge-combined with the upper part of the bracket, and a handle formed in the upper end of the handle shaft, and to lift the front wheel as the driving part box and the front wheel shaft are bent when the lower end of the handle shaft is lifted.

Description

[0001] Mobile vehicle lifting device [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile lifting device, and more particularly, to a mobile lifting device, which is supported by a lower body chassis of a vehicle regardless of the type of a vehicle and can be raised or lowered to facilitate maintenance work. The present invention relates to a lifting device for a movable vehicle, which can accurately set a supporting position and is equipped with a safety device so as not to collapse in an elevated state.

In general, the lift of the mobile vehicle is used to raise the car from the ground at a certain height in order to easily adjust the lower body of the vehicle. As shown in FIGS. 10A and 10B, 6) a support plate 1 for supporting the lower body of the automobile and a plurality of link means 2 connected to the support plate 1 and operated by the cylinder means 3 and 3a, The lifting and lowering operation of the automobile is performed by causing the base plate 1 to move up and down.

Meanwhile, the type of lift of the conventional mobile vehicle can be described by dividing into a form of using a movable vehicle lifting device using pneumatic pressure as shown in FIG. 10A, and a mode using hydraulic pressure as shown in FIG. 10B.

The lift using the pneumatic pressure is disadvantageous in that it can not be pushed deeply into the bottom of the vehicle due to the pneumatic storage tank and there is a problem that the lift using the hydraulic pressure can not be used for a vehicle having a folded height of 350 mm or more, .

Another problem is that the lifting device of the vehicle according to the prior art has a problem that it is difficult to control the supporting position of the vehicle body finely. Further, when the lifting device is suddenly collapsed due to the load of the vehicle in a sudden power loss situation, There was a risk of occurrence.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide an elevator for a vehicle, The precision of the work can be improved. Moreover, when the lift is folded, the folding height is low, so that it can be used quickly and easily without any distinction between vehicles with low ground clearance (private use) and bus trucks. And it is an object of the present invention to provide a lifting device for a mobile vehicle which is provided with a safety device even when a collision accident occurs, thereby preventing the occurrence of human casualties and damage to the vehicle, thereby greatly improving safety performance.

It is an object of the present invention to provide a lower operation unit comprising a front wheel shaft having front wheels coupled to both sides thereof, a rear wheel shaft having rear wheels coupled to both sides thereof, and a cylinder device having a rod for connecting the rear wheel axle and the front wheel axle, An upper operating part hinge-connected to the front wheel axle and hinge-coupled to the rear wheel axle; A support bar having a horizontal bar hinged to the upper end of the frame and a plurality of forks formed on the upper portion of the bar bar; A drive shaft hinged to the front wheel shaft, a rotatable wheel mounted on a lower portion of the bracket formed at one end of the drive unit box, a handle shaft hinged to an upper portion of the bracket, and a handle formed at an upper end of the handle shaft, And a handle portion for lifting the front wheel while the drive box and the front wheel shaft are folded when the lower end of the handle shaft rises.

The handle portion may further include a fixing device for fixing the raised front wheel to maintain the raised front wheel.

The fixing device includes: a fixed cylinder attached to a side surface of the drive box, And a fitting member having a locking hole formed in the front wheel shaft and inclined downwardly. The pin of the fixed cylinder is drawn out and hooked on the locking hole of the fitting member, so that the raised state of the front wheel shaft is maintained .

A latching protrusion attached to an upper portion of the bracket and supporting a lower end of the handle shaft is formed, and a latching plate is formed at an upper end of the latching protrusion so that a lower end edge of the handle shaft is caught.

The lower operation portion includes a stopper member for exerting a braking force for stopping the drawing of the elongated rod of the cylinder device to prevent abrupt descent of the upper actuating portion.

And the upper operation portion includes a rotation preventing means for maintaining a fixed state to prevent rotation of the support.

According to the present invention, the operator can steer the vehicle up / down and left / right directions while operating the steering wheel, so that the support position of the support member contacting the vehicle body chassis can be accurately set regardless of the vehicle type, The safety device is provided to prevent accidental folding in the state where the support is elevated, thereby remarkably improving the safety performance.

1 is a perspective view of a movable vehicle lifting apparatus according to the present invention;
2 is a side view of a movable vehicle lifting apparatus according to the present invention;
3 is an enlarged perspective view of a 'fixing device' in a movable vehicle lifting device according to the present invention;
4 and 5 are partially enlarged side views illustrating the operation of a "locking device" in a mobile vehicle lifting device according to the invention;
FIG. 6 is an enlarged perspective view illustrating a 'stopper member' in the movable vehicle lifting apparatus according to the present invention. FIG.
FIG. 7 is an enlarged side view showing a 'anti-rotation means' in the movable vehicle lifting device according to the present invention; FIG.
8 is a perspective view showing another embodiment of the fork 64;
Fig. 9 is a side view showing when the movable vehicle lifting device according to the present invention is folded in order to insert it into the lower part of the vehicle. Fig.
10A shows a structure of a conventional vehicle pneumatic lifting device.
10B is a front view showing the structure of a conventional vehicle lifting device using hydraulic pressure.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a lifting device according to the present invention, FIG. 2 is a side view of a lifting device according to the present invention, and FIG. 3 is a side elevational view of a lifting device according to the present invention. FIG. 4 is a partially enlarged side view showing the operation of the 'fixing device' in the movable vehicle lifting device according to the present invention, and FIG. 6 is a perspective view showing the 'stopper member' in the movable vehicle lifting device according to the present invention. And FIG. 7 is an enlarged side view showing the 'anti-rotation means' in the movable vehicle lifting apparatus according to the present invention.

1 to 7, a movable vehicle lifting apparatus A according to an embodiment of the present invention includes a front wheel shaft 22 coupled to both sides of a front wheel 21, And a cylinder device (3) having a rear wheel shaft (24) coupled to the front wheel shaft (24) and a rod (32) connected to the front wheel shaft (22) A frame 42 hinged at one end to the front wheel shaft 22 and a link 44 hinged to a connecting portion 43 formed at the end of the frame 42 and hinged to the rear wheel shaft 24 A configured upper operating portion 4; A support bar 6 having a horizontal bar 62 hinged to the upper end of the frame 42 and a fork 64 formed on the upper portion of the horizontal bar 62; A driving wheel 89 hinged to the upper portion of the bracket 82 and a driving wheel 89 mounted to a lower portion of the bracket 82 formed at one end of the driving unit box; And a handle 84 formed at the upper end of the handle shaft 88. When the lower end of the handle shaft 88 is raised, the drive unit box and the front wheel shaft 22 are bent, And a handle portion (8) for allowing the handle portion

A front wheel 21 and a rear wheel 23 are formed so that the lower operating portion 2 is supported on the ground and the cylinder device 3 is connected to the front wheel shaft 22 and the rear wheel shaft 24. [

The cylinder unit 3 is constituted by a cylinder body to which hydraulic pressure is supplied and a rod 32 which is expanded and contracted by being coupled to the cylinder body. The cylinder body is hinged to the rear wheel shaft 24, (22).

The front end of the rod 32 is coupled to the front wheel housing 221 formed at the front so that the front wheel axle 22 is engaged.

On the other hand, the front wheel axle 22 is coupled through the protruding fitting pieces to both sides of the rectangular driving box, and is coupled through the front wheel axle housing 221.

The upper operating portion 4 includes a frame 42 hingedly connected to the front wheel shaft 22 and arranged diagonally to the front wheel shaft 22 and a connecting portion 43 hinged to the connecting portion 43 formed at the end of the frame 42, And a link 44 hinged to the frame 42 and coupled to the frame 42 to have a predetermined acute angle.

Therefore, the frame 42 and the link 44 are operated to be folded or unfolded, and the upper end of the frame 42 is raised and lowered.

The support bar 6 includes a horizontal bar 62 hinged to the upper end of the frame 42 and a fork 64 formed on the upper portion of the bar bar 62, An outer tubular body 621 having a rectangular cross section and hollow inside thereof and an inner tubular body 622 which is inserted into the outer tubular body 621 and whose length is adjusted while being folded.

Each of the forks 64 is formed on both ends of the inner tube 622 of the horizontal bar 62 and the fork 64 is supported by the chassis of the vehicle body.

The upper portion of the fork 64 is formed in a flat plate shape so as to facilitate chassis and support of the vehicle body, and a step is formed on both sides.

A hinge bracket 623 is formed at a lower portion of the horizontal bar 62 and is hinged to the coupling bracket 426 formed on the upper portion of the frame 42 by a hinge shaft 427.

Preferably, the fork 64 of the support 6 is always fixed upwards and the anti-rotation means 7 is formed to always maintain the vertical condition of the fork 64 constant. The rotation preventing means 7 will be described later.

8 is a perspective view showing another embodiment of the fork 64. It is also possible to use a fork 64a structure in which a plane frame is formed horizontally.

The handle portion 8 includes a drive box hinged to the front wheel shaft 22, a rotatable wheel 89 mounted on a lower portion of the bracket 82 formed at one end of the drive box, And a handle 84 formed at the upper end of the handle shaft 88. The handle shaft 88 is hinged to an upper portion of the handle shaft 88,

Accordingly, when the handle shaft 88 is pushed downward by holding the handle 84, the handle shaft 88 rotates about the hinge shaft formed at the lower end of the handle shaft 88. At this time, as shown in FIG. 4, The handle shaft 88 must be pushed downward after it has been rotated 90 degrees in the horizontal direction.

The end of the rotating handle shaft 88 is caught by the latching protrusion 83 and the latching protrusion 83 is formed on the bracket 82 so that the bracket 82 is lifted. The bracket 82 is rotated about the front wheel shaft 22. [

When the bracket 82 is rotated by the rotation of the handle shaft 88 and is rotated about the front wheel 22, the fixing cylinder 52 is rotated downward so that the pin 522 faces upward, The front wheel shaft 22 and the front wheel shaft housing 221 formed at the front end of the driving box 81 are rotated upward so that the front wheel shaft 22 is spaced apart from the ground, do.

The bracket 82 is attached to the rear of the drive box box in the form of a cantilever, and a locking protrusion 83 having a T-shaped upper portion and an engagement plate 832 formed at an upper end thereof is attached.

The lower end of the handle shaft 88 is rotated upward and caught by the engaging protrusion 83 so that the front end of the driving box 81 is lifted upward as in the case of the levers, do.

The rotatable wheel 89 is hinged to the lower portion of the bracket 82 so as to rotate 360 degrees as in a normal castor.

Therefore, when the operator grips the handle 84 by rotating the handle 8 slightly by sideways by the three-point support of the rear wheel 23 and the turning wheel 89 in a state in which the front wheel 21 is raised, The position of the support table 6 can be slightly adjusted in the left and right direction, and it becomes possible to change the direction while reducing the force.

The handle unit 8 further includes a fixing device 5 for fixing the front wheel 21 lifted up to the top to maintain the elevated state.

The fixing device 5 includes a fixed cylinder 52 attached to a side surface of the driving unit box and projecting and retracting the pin 522; And a fitting member 54 formed on the front wheel shaft 22 and having a locking hole 540 formed to be inclined downward.

Accordingly, when the pin 522 of the fixed cylinder 52 is drawn out by a signal of a control unit (not shown) having a switch on the handle, the pin 522 of the fixed cylinder 52 is hooked by the engaging hole 540 of the fitting member 54, The raised state of the shaft 22 can be maintained.

The operation in which the pin 522 of the fixed cylinder 52 is pulled out is such that the handle shaft 88 of the handle portion 8 is pressed downwardly and is driven to move the handle 52 in a state in which the front wheel 21 is lifted, And is set to be executed when the engaging ball is lifted at an angle corresponding to the pin 522 of the fixed cylinder 52. [

On the other hand, the lower operating portion 2 includes a stopper member 9 for exerting a braking force for stopping the drawing of the elongated rod 32 of the cylinder device 3 in order to prevent the abrupt lowering of the upper operating portion 4 do.

When the hydraulic pressure supplied to the cylinder device 3 is lost in a state in which the load is being applied, for example, in a state where the vehicle body is lifted, the frame 42 of the upper operation portion 4 and the link 44 The upper operation portion 4 can be operated stably even if the hydraulic pressure of the cylinder device 3 is lost so that the collapse situation occurs unexpectedly and the risk of personal injury and material damage due to the vehicle fall is high. The stopper member 9 is provided.

The stopper member 9 includes a connecting plate 91 mounted on one end of the cylinder unit 3 and formed with a stopper hole; A stopper bar 92 having one end fixed to the front wheel housing 221 and the other end inserted into a stopper hole of the connection plate 91 and having a plurality of stopper projections 93 at a lower portion thereof so as to be caught by the stopper hole; .

The stopper bar 92 is coupled in parallel with the rod 32 and one end of the stopper bar 92 is coupled to the stopper hole of the connection plate 91. The plurality of stopper projections 93 are formed in an isosceles triangle shape having an inclined surface in only one direction When the stopper bar 92 is inserted into the connecting plate 91, the inclined surface can pass through the stopper hole. However, when a situation in which the stopper bar 92 escapes in the opposite direction occurs in an instant, The movement can be restricted by hanging on the ball so that an accidental folding accident of the upper operating portion 4 can be prevented.

On the other hand, the upper operation portion 4 includes a rotation preventing means 7 for maintaining a fixed state so as to prevent the rotation of the support 6.

That is, when the support table 6 is rotated forward, the fork 64 is tilted forward, and the support state can not be accurately maintained. Therefore, the support table 6 is fixed so that the fork 64 can always be kept vertical The rotation preventing means 7 is mounted.

The rotation preventing means 7 is fixed to the hinge bracket 623 formed at a lower portion of the horizontal bar 62 at the upper end of the hook 721 and is fixed to the bracket 432 of the connecting portion 43 at the lower end, (Not shown).

Therefore, the fork 64 of the support base 6 including the horizontal bar 62 can always be fixed in a vertical state.

The folding of the movable vehicle lifting apparatus according to the present invention is performed in a state in which the locking projection 83 is not rotated but the horizontal state is maintained as shown in FIG. When the cylinder device 3 is operated while being rotated in the direction parallel to the ground surface, the frame 42 and the link 44 are folded while the piston rod is extended.

Therefore, the lift of the present invention, in which the cylinder device 3 is horizontally operated and the height of which is adjusted by rotating the link 44, is "H", that is, the height is 120 mm in the folded state, .

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, It is obvious that the claims fall within the scope of the claims.

2: lower operating part 3: cylinder device
4: upper operation part 5: fixing device
6: support 7: anti-rotation means
8: handle portion 9: stopper member
21: front wheel 23: rear wheel
42: frame 44: link
52: fixed cylinder 54:
62: horizontal bar 64: fork
72: plate 74: engaging member
81: Driving box 82: Bracket
88: handle shaft 84: handle
91: connecting plate 92: stopper bar

Claims (5)

A lower operating portion including a front wheel shaft having front wheels coupled to both sides thereof, a rear wheel shaft having rear wheels coupled to both sides thereof, and a cylinder device having a rod for connecting the rear wheel axle and the front wheel axle,
An upper operating part hinge-connected to the front wheel axle and hinge-coupled to the rear wheel axle;
A support bar having a horizontal bar hinged to the upper end of the frame and a plurality of forks formed on the upper portion of the bar bar;
A drive shaft hinged to the front wheel shaft; a rotatable wheel mounted on a lower portion of the bracket formed at one end of the drive unit box; a handle shaft hinged to an upper portion of the bracket; and a handle formed at an upper end of the handle shaft, A handle portion for raising the front wheel while the drive box and the front wheel shaft are bent when the lower end of the handle shaft rises;
Wherein the lifting device comprises:
The method according to claim 1,
The handle portion
And a fixing device for fixing the raised front wheel to maintain the raised state,
The fixing device includes:
A fixed cylinder attached to a side surface of the drive box and projecting and retracting the pin;
And a fitting member formed on the front wheel shaft and having a locking hole formed to be inclined downwardly,
Wherein the pin of the fixed cylinder is drawn out and hooked on the engaging hole of the fitting member so that the lifted state of the front wheel shaft is maintained.
The method according to claim 1,
A locking protrusion attached to an upper portion of the bracket and supporting a lower end of the handle shaft is formed,
Wherein the latching protrusion is formed with a latching plate at an upper end thereof so that a lower end edge of the handle shaft is caught.
The method according to claim 1,
Wherein the lower operation portion includes a stopper member that exhibits a braking force for stopping the drawing of the elongated rod of the cylinder device to prevent abrupt descent of the upper operation portion,
The stopper member
A connecting plate mounted on one end of the cylinder device and formed with a stopper hole;
And a stopper bar having one end fixed to the housing of the front wheel shaft and the other end inserted into the stopper hole of the connection plate and having a plurality of stopper protrusions formed at a lower portion thereof to be caught by the stopper hole,
Wherein the plurality of stopper projections are an isosceles triangle shape having an inclined surface only in one direction.
The method according to claim 1,
Wherein the upper operation portion includes rotation preventing means for maintaining a fixed state to prevent rotation of the support base,
The rotation preventing means
Wherein the upper hook is fixed to a hinge bracket formed on a horizontal bar and the lower end is formed with a hook which is tightly fixed to a bracket of a connecting portion.

KR20130108324A 2013-09-10 2013-09-10 Mobile vehicle lifting device KR20150029314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20130108324A KR20150029314A (en) 2013-09-10 2013-09-10 Mobile vehicle lifting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20130108324A KR20150029314A (en) 2013-09-10 2013-09-10 Mobile vehicle lifting device

Publications (1)

Publication Number Publication Date
KR20150029314A true KR20150029314A (en) 2015-03-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR20130108324A KR20150029314A (en) 2013-09-10 2013-09-10 Mobile vehicle lifting device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102371271B1 (en) * 2021-03-11 2022-03-07 권선구 Automobile maintenance lift

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102371271B1 (en) * 2021-03-11 2022-03-07 권선구 Automobile maintenance lift

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