CN108190783A - A kind of automobile inspection lifting machine - Google Patents
A kind of automobile inspection lifting machine Download PDFInfo
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- CN108190783A CN108190783A CN201810010634.3A CN201810010634A CN108190783A CN 108190783 A CN108190783 A CN 108190783A CN 201810010634 A CN201810010634 A CN 201810010634A CN 108190783 A CN108190783 A CN 108190783A
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- lift arm
- arm
- block
- positioning
- pushing tow
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- 238000007689 inspection Methods 0.000 title claims abstract description 35
- 210000000515 tooth Anatomy 0.000 claims description 60
- 238000009434 installation Methods 0.000 claims description 35
- 230000007423 decrease Effects 0.000 claims description 12
- 210000002421 cell wall Anatomy 0.000 claims description 6
- 208000002925 dental caries Diseases 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
-
- 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)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The present invention provides a kind of automobile inspection lifting machines, belong to automobile inspection equipment technical field.It solves the problems, such as that existing automobile inspection lifting machine safety is low.This automobile inspection lifting machine, including portal frame, portal frame includes two columns, lifting block is slidably connected on column, two lift arms are hinged on lifting block, lift arm is connected with support base, lifting has inclined pushing tow inclined-plane on block, lift arm is connected with push block, goring push spring is equipped between push block and lift arm, push block has the trend slided to the relatively low one end in pushing tow inclined-plane under the action of goring push spring, and when push block is swung along pushing tow inclined-plane to lift arm during relatively low one end slip to the middle part of portal frame, detent mechanism is equipped between lift arm and lifting block, support base is equipped with position-limit mechanism.This automobile inspection has higher safety with lifting machine.
Description
Technical field
The invention belongs to automobile inspection equipment technical fields, are related to a kind of automobile inspection lifting machine.
Background technology
Automobile carrying out maintenance maintenance when be frequently necessary to lift, so as to automobile chassis carry out maintenance and inspection and
Machine oil, gear box oil etc. are replaced, and automobile is lifted by planer-type lifting machine at present, there are two vertical for lifting machine tool
Column slides on two columns and is equipped with lifting block, and lifting block is driven lifting by hydraulic cylinder or motor, and lifts and cut with scissors on block
Two lift arms are connected to, which can be rocked to below the bottom girder of vehicle, so as to which vehicle be lifted, and since vehicle exists
It needs frequently to lift in maintenance process, and lift arm easily swings and is detached from automobile bottom under external force after certain declines
Beam needs staff to need to check again for when lifting next time, there are security risk if carelessness, and after lifting, by
Positioning is pushed down only by the weight of vehicle in lift arm, there is the risk for being detached from vehicle under external force, there are safety
Hidden danger.
Invention content
The purpose of the present invention is being directed to existing technology, there are the above problems, it is proposed that a kind of automobile inspection lifting machine,
This automobile inspection has higher safety with lifting machine.
The purpose of the present invention can be realized by following technical proposal：A kind of automobile inspection lifting machine, including portal frame,
The portal frame includes two columns, and lifting block is vertically slidably connected on the column, is cut with scissors on the lifting block
Two lift arms are connected to, two lift arm is horizontally disposed, and the free end of the lift arm, which is respectively connected with, to be used to support in automobile bottom
Support base on beam, which is characterized in that there is the inclined pushing tow inclined-plane of relatively horizontal orientation, the lift arm on the lifting block
Hinged end be connected with the push block that can be resisted against on pushing tow inclined-plane, between the push block and lift arm be equipped with pushing tow bullet
Spring, push block has the trend slided to the relatively low one end in pushing tow inclined-plane under the action of goring push spring, and when push block along
Pushing tow inclined-plane is swung to lift arm during relatively low one end slip to the middle part of portal frame, is equipped between the lift arm and lifting block
The detent mechanism that can be circumferentially located in lift arm when lift arm lifts upwards on lifting block, the support base, which is equipped with, works as
Support base can be limited the position-limit mechanism on automobile bottom girder by lift arm when lifting upwards.
During lifting automobile, the lower section of running car to portal frame, lift arm is swung to the middle part of portal frame so that support
Seat is located at the lower section of automobile bottom girder, then lifts block and rises and by vehicle hoisting, wherein due to being pushed up under the action of goring push spring
Pushing block can be slided along pushing tow inclined-plane to relatively low one end, i.e., lift arm has the trend to swing in the middle part of portal frame, therefore
When automobile declines, lift arm will not voluntarily be swung to outside vehicle, be occurred when avoiding lifting again since service personnel neglects
Respective lift arm does not support vehicle and security risk occurs, while service personnel only needs when lift arm is rocked to under-vehicle
Lift arm certain distance is pushed, lift arm can voluntarily be rocked to under-vehicle under the action of goring push spring, more stablize
And safety, and when vehicle rises, detent mechanism can position lift arm, so as to avoid because being caused to lift by external force
Arm swings out and is detached from vehicle, and vehicle is caused to fall, and certain position-limit mechanism can also limit support base on base of wagon,
Also support base can be avoided to be detached from vehicle and cause safety accident, therefore this lifting machine has higher safety.
In above-mentioned automobile inspection lifting machine, there is installation counterbore, the installation on the upper side of the lifting block
There is connecting pole on the bottom surface of counterbore, installation counterbore is stretched out in the upper end of the connecting pole, and the end of the lift arm has connecting hole,
And lift arm is set in by connecting hole rotation on connecting pole, the end of the lift arm is arc-shaped, and in the arc of lift arm
Circumferentially there is support flange, being fitted around counterbore on the upper side of the lifting block has the support convex edge of arc, institute on end face
It states and offers arc groove on the concave surface of support convex edge, above-mentioned support flange is slidably connected in arc groove, the push block and top
Spring is pushed away to be arranged in installation counterbore.Since vehicle has larger weight, and the free end of lift arm is under pressure, then
Hinged end can generate the active force for being several times as much as free end pressure, therefore support flange is set in the hinged end of lift arm, and support is turned over
Side does not influence the swing of lift arm, and can provide support for lift arm so that lift arm is more steady in arc groove
It is fixed, safety higher, while support flange that can also avoid connecting pole long-term over-stressed and deformation occur so that structure is more
Stablize.
In above-mentioned automobile inspection lifting machine, there is two grooves, the two grooves phase on the bottom surface of the installation counterbore
To installing the center line center symmetric setting of counterbore, the groove has an inclined cell wall, which is above-mentioned
Pushing tow inclined-plane, the push block is circumferentially connected with lift arm, and the lower end of push block has two pushing tow protrusions, in goring push spring
The lower two pushing tow protrusions of effect can be born against on the pushing tow inclined-plane of two grooves, and the pushing tow protrusion is respectively provided with an inclined top
Side and horizontal positioning end face are pushed away, the front and back of the lift arm and portal frame when pushing tow side and pushing tow inclined-plane fit
To angle is formed, when positioning end face is parallel with the front-rear direction of portal frame with installing lift arm when the bottom surface of counterbore leans.
Push block has the trend that moves down under the action of goring push spring, and pushing tow protrusion can be along pushing tow inclined-plane to downslide at this time
Dynamic, lift arm is rocked to greatest extent to portal frame middle part when pushing tow side fits with pushing tow inclined-plane, and lift arm needs
It resetting when swinging out, service personnel is needed to push manually so that push block overcomes the elastic force of goring push spring and rises, until
Positioning end face leans with installation counterbore bottom surface, and it is straight against end face lean with straight installation counterbore bottom surface when can
Lift arm is positioned, avoids lift arm voluntarily to swing in the middle part of portal frame, so as to safer in vehicles while passing portal frame.
In above-mentioned automobile inspection lifting machine, there is cylindrical portion, the tubular on the downside of the lift arm end
Portion is set around connecting pole, and the upper end of the push block is cylindrical in shape, and the upper end sliding plug of push block is in cylindrical portion, described
Guide groove is provided in the axial direction in cylindrical portion, there is guide pad on the push block outer wall, the guide pad, which is slidably connected at, leads
Into slot, the lower end of the goring push spring is pressed on the inner bottom surface of push block, and upper end is pressed on the downside of lift arm.I.e.
Push block is merely able to slide up and down, and is unable to circumferentially rotate, so that the pushing tow of push block is more stablized.
In above-mentioned automobile inspection lifting machine, the detent mechanism is included in fan-shaped positioning plate, the positioning plate
Side on there is inserting column, spliced eye is offered on the upper side of the lift arm hinged end, above-mentioned inserting column rotates grafting
In spliced eye, and the outer edge of positioning plate arc has identical center line, the outside of the positioning plate arc with connecting hole
Circumferentially there are several engaging tooths, having on lift arm upper side can be described to the stopper protrusion that positioning plate circumferentially limits
Positioning gear one is vertically slidably connected on lifting block, the positioning gear one and lifting block are circumferentially fixed, and when positioning
Gear one can be meshed when moving down with the engaging tooth of positioning plate.Stopper protrusion limits positioning plate, therefore positions
Plate is difficult to rotate or is difficult to the rotation of larger angle, and positions gear one and lifting block is circumferentially fixed, therefore on the lift arm
Positioning gear one can decline automatically when rising, circumferentially positioned to positioning plate progress so as to be meshed with positioning plate, avoid lift arm
It is swung after lifting, safety higher.
It is rectangular that cross section is fixed in above-mentioned automobile inspection lifting machine, on the lower face of the positioning gear one
Propulsion arm one, offer the rectangular through-hole in cross section on the lifting block, the above-mentioned slip of propulsion arm one is threaded through in through-hole,
And through-hole is stretched out in the lower end of propulsion arm one, has leaning seat one in the lower end of propulsion arm one, when lift arm decline and leaning seat one
When leaning with ground, positioning gear one can rise and come off with positioning plate, and positioning bullet is also arranged on the propulsion arm one
Spring one, the lower end of the retaining spring one are pressed on leaning seat one, and upper end is resisted against on lifting block downside, when lift arm rises
When retaining spring one positioning gear can be made once to drop and engaged with positioning plate, the engaging tooth upper end of the positioning plate and positioning tooth
The engaging tooth lower end of wheel one is in tip-angled shape, and there are two the stopper protrusions, and two stopper protrusions are located at the two of positioning plate respectively
Straight flange along side, and when a straight flange of a stopper protrusion and positioning plate along against when another stopper protrusion and positioning plate
Another straight flange has gap between.When lift arm lifts upwards, the leaning seat one on propulsion arm one is detached from bottom surface, at this time
Gear one is positioned under the action of retaining spring one to be declined, wherein due to the engaging tooth upper end of positioning plate and positioning gear one
Engaging tooth lower end in tip-angled shape, and positioning plate can circumferentially rotate smaller angle, therefore be not in positioning gear one
The phenomenon that engaging tooth leans with the engaging tooth of positioning plate and is difficult to engage, i.e. positioning plate can be swung to adapt to positioning tooth
Wheel one, so that the two smoothly engages, and leaning seat one and ground are upward against and by position gear one during lift arm decline
Pushing tow so that the two is detached from, and goes to release detent mechanism one by one there is no need to service personnel, operation is more convenient.
In above-mentioned automobile inspection lifting machine, the position limiting structure includes two limited blocks, has in the support base
Two installation cavitys offer two pilot holes on the upper side of support base, which is connected respectively with two installation cavitys, two institutes
It states limited block to be slidably connected at respectively in two pilot holes, limit spring is equipped between the limited block and installation cavity top surface, is being limited
Limited block has the trend for stretching out pilot hole under the action of the spring of position, and being additionally provided in the installation cavity when lift arm declines can
Make the connecting rod in limited block retraction pilot hole.Limit spring can make limited block stretch out pilot hole when lift arm rises, and vapour
There is the flange of plate, two limited blocks can be located at the both sides of the flange respectively, so as to which support base be limited on underbody beam
On automobile bottom girder, and connecting rod can make limited block retraction pilot hole when lift arm declines, and automatically terminate between automobile bottom girder
Spacing relation, operation it is more convenient.
In above-mentioned automobile inspection lifting machine, the connecting rod is hinged in installation cavity, the interior end side of the limited block
It is offered on face against slot, one end of above-mentioned connecting rod is stretched into against slot, and offering cross section on the downside of the support base is in
The through hole of bar shaped, the through hole are connected with installation cavity, have pushing post, the pushing tow on the other end downside of the connecting rod
Column is passed down through through hole, and the lower end of the pushing post is bolted with adjusting bolt, and the head of the adjusting bolt is connected with ball,
Pushing post being capable of pushing tow connecting rod upwards when lift arm declines and ball and ground lean.Ball can when lift arm declines
It leans with ground so that one end of connecting rod is swung up, therefore the other end of connecting rod to lower swing, i.e., downward pushing tow limits
Block, wherein adjusting bolt can adjust the position of ball, so that connecting rod swing is suitable when lift arm drops to extreme lower position
Angle so that limited block can be entirely retracted in pilot hole, so as to the ground suitable for out-of-flatness.
In above-mentioned automobile inspection lifting machine, the lift arm includes swing arm and telescopic arm, and the swing arm is in
Tubulose, it is fixed that one end sliding plug of the telescopic arm is fixed with along its length in swing arm, on the side of the telescopic arm
Position rack, offers sliding slot on the inner wall of the swing arm, the positioning tooth bar is slidably connected in sliding slot, institute along its length
It states and positioning gear two is also vertically slidably connected in sliding slot, positioning bullet is additionally provided between positioning gear two and swing arm
Spring two, under the action of retaining spring two, positioning gear two can be meshed with positioning tooth bar when lift arm rises.It is swinging
The position of support base is adjusted by flexible telescopic arm after arm swing to suitable position so that support base is located just at automobile bottom girder
Lower section, telescopic arm adjust in place and lift arm rise when, retaining spring two can make positioning gear two decline and with positioning
Rack engages, so that telescopic arm be positioned, avoid the occurrence of because telescopic arm is retracted under external force and cause support base and
Base of wagon is detached from, safety higher.
In above-mentioned automobile inspection lifting machine, perforative limit hole is offered under the sliding slot on cell wall, it is described fixed
Propulsion arm two is fixed on the lower face of position gear two, the propulsion arm two slip is threaded through in limit hole, and under propulsion arm two
Limit hole is stretched out at end, has leaning seat two in the lower end of propulsion arm two, the upper end of above-mentioned retaining spring two is pressed under swing arm
On side, lower end is pressed on leaning seat two, and gear two is positioned when the lift arm declines and leaning seat two leans with ground
It can rise and be separated with positioning tooth bar, the engaging tooth upper end of the positioning tooth bar and the engaging tooth lower end of positioning gear two are equal
In tip-angled shape, limiting slot is vertically offered on two outer wall of propulsion arm, there is limiting section on the limit hole hole wall,
The limiting section is slidably connected in limiting slot, and the width of the limiting slot is more than the width of limiting section.When lift arm is lifted upwards
When rising, the leaning seat two on propulsion arm two is detached from bottom surface, and gear two is positioned under the action of retaining spring two at this time to decline,
Wherein since the engaging tooth upper end of positioning tooth bar and the engaging tooth lower end of positioning gear two are in tip-angled shape, and position two energy of gear
Smaller angle is enough circumferentially rotated, therefore is not in position the engaging tooth of gear two and the engaging tooth of positioning tooth bar leans and difficult
The phenomenon that engage, that is, positioning gear two can be rotated to adapt to positioning tooth bar, so that the two smoothly engages, and lift
Rise when arm declines leaning seat two and ground against and two upward pushing tow of gear will be positioned so that the two is detached from, and operation is more convenient.
Compared with prior art, this automobile inspection is had the following advantages with lifting machine：
1st, due under the action of goring push spring push block can be slided along pushing tow inclined-plane to relatively low one end, that is, lift
Arm has the trend to swing in the middle part of portal frame, therefore when automobile declines, lift arm will not voluntarily be swung to outside vehicle, be kept away
There is respective lift arm due to service personnel's carelessness when exempting to lift again not supporting vehicle and security risk occur.
2nd, since detent mechanism can position lift arm, so as to avoid because lift arm is caused to be put outward by external force
It moves and is detached from vehicle, vehicle is caused to fall, certain position-limit mechanism can also limit support base on base of wagon, can also keep away
Exempt from support base to be detached from vehicle and cause safety accident, therefore this lifting machine has higher safety.
3rd, since detent mechanism when lift arm declines and position-limit mechanism can automatically terminate, operation is more convenient.
Description of the drawings
Fig. 1 is the dimensional structure diagram of automobile inspection lifting machine.
Fig. 2 is the partial structurtes vertical view of lift arm.
Fig. 3 is the structure sectional view at A-A in Fig. 2.
Fig. 4 is lift arm not to the partial structurtes state diagram in the middle part of portal frame during swing at push block.
Fig. 5 is the partial structurtes state diagram at push block after lift arm is swung in the middle part of portal frame.
Fig. 6 is the schematic enlarged-scale view at B in Fig. 1.
Fig. 7 is the schematic enlarged-scale view at C in Fig. 1.
Fig. 8 is the structure sectional view at D-D in Fig. 2.
Fig. 9 is the schematic enlarged-scale view at E in Fig. 1.
Figure 10 is the structure sectional view at F-F in Fig. 2.
Figure 11 is the lateral partial structurtes sectional view at another visual angle of lift arm.
In figure, 1, portal frame；11st, column；2nd, block is lifted；The 21st, counterbore is installed；22nd, connecting pole；23rd, convex edge is supported；231、
Arc groove；24th, groove；241st, pushing tow inclined-plane；3rd, lift arm；31st, swing arm；311st, connecting hole；312nd, flange is supported；313rd, cylinder
Shape portion；314th, guide groove；315th, spliced eye；316th, stopper protrusion；317th, sliding slot；318th, limit hole；319th, limiting section；32nd, it stretches
Contracting arm；321st, positioning tooth bar；4th, support base；41st, installation cavity；42nd, pilot hole；43rd, through hole；5th, push block；51st, pushing tow is convex
Portion；511st, pushing tow side；512nd, end face is positioned；52nd, guide pad；53rd, goring push spring；6th, detent mechanism；61st, positioning plate；611、
Inserting column；62nd, gear one is positioned；63rd, propulsion arm one；64th, leaning seat one；65th, retaining spring one；7th, position-limit mechanism；71st, it limits
Block；711st, against slot；72nd, limit spring；73rd, connecting rod；74th, pushing post；75th, adjusting bolt；76th, ball；8th, gear two is positioned；
81st, propulsion arm two；811st, limiting slot；82nd, leaning seat two；83rd, retaining spring two.
Specific embodiment
The following is specific embodiments of the present invention and with reference to attached drawing, technical scheme of the present invention is further described,
But the present invention is not limited to these embodiments.
As shown in Figure 1 and Figure 2, a kind of automobile inspection lifting machine, including portal frame 1, portal frame 1 includes two columns 11, stands
Lifting block 2 is vertically slidably connected on column 11, lifts and is hinged with two lift arms 3 on block 2, two lift arm 3 is equal
Horizontally disposed, the free end of lift arm 3 is respectively connected with the support base 4 being used to support on automobile bottom girder, and lifting has phase on block 2
The inclined pushing tow inclined-plane 241 to horizontal direction, the hinged end of lift arm 3 are connected with the top that can be resisted against on pushing tow inclined-plane 241
Seat 5 is pushed away, goring push spring 53 is equipped between push block 5 and lift arm 3, push block has to pushing tow under the action of goring push spring 53
The trend that the relatively low one end in inclined-plane 241 is slided, and the lift arm when push block is slided along pushing tow inclined-plane 241 to relatively low one end
3 swing to the middle part of portal frame 1, and being equipped between lift arm 3 and lifting block 2 can be by lift arm 3 when the lifting upwards of lift arm 3
The detent mechanism 6 being circumferentially located on lifting block 2, support base 4 is equipped with can be by support base 4 when the lifting upwards of lift arm 3
Limit the position-limit mechanism 7 on automobile bottom girder.During lifting automobile, running car to the lower section of portal frame 1, lift arm 3 is to dragon
The middle part of door frame 1 is swung so that and support base 4 is located at the lower section of automobile bottom girder, and then lifting block 2 rises and by vehicle hoisting,
In due under the action of goring push spring 53 push block can be slided along pushing tow inclined-plane 241 to relatively low one end, i.e. lift arm 3
With the trend swung to 1 middle part of portal frame, therefore when automobile declines, lift arm 3 will not voluntarily be swung to outside vehicle, be kept away
There is respective lift arm 3 due to service personnel's carelessness when exempting to lift again not supporting vehicle and security risk occur, examine simultaneously
Repairing personnel only needs to push 3 certain distance of lift arm when lift arm 3 is rocked to under-vehicle, and lift arm 3 can be in pushing tow
Under-vehicle is voluntarily rocked under the action of spring 53, is more stablized and safe, and when vehicle rises, detent mechanism 6 can
Lift arm 3 is positioned, so as to avoid being detached from vehicle because of lift arm 3 being caused to swing out by external force, vehicle is caused to fall
It falls, certain position-limit mechanism 7 can also limit support base 4 on base of wagon, and support base 4 can also be avoided to be detached from vehicle and draw
Safety accident is sent out, therefore this lifting machine has higher safety.
With reference to shown in Fig. 3, Fig. 4, Fig. 5, lifting on the upper side of block 2 has installation counterbore 21, installs the bottom surface of counterbore 21
Upper to have connecting pole 22, installation counterbore 21 is stretched out in the upper end of the connecting pole 22, and the end of lift arm 3 has connecting hole 311, and lift
It rises arm 3 to be set on connecting pole 22 by the rotation of connecting hole 311, the end of lift arm 3 is arc-shaped, and in the arc of lift arm 3
On end face circumferentially there is support flange 312, lift and support convex edge of the counterbore 21 with arc is fitted around on the upper side of block 2
23, it supports and arc groove 231 is offered on the concave surface of convex edge 23, support flange 312 is slidably connected in arc groove 231, push block 5
With goring push spring 53 be arranged at installation counterbore 21 in, due to vehicle have larger weight, and the free end of lift arm 3 by
Pressure, then hinged end can generate the active force for being several times as much as free end pressure, therefore be turned in the setting support of the hinged end of lift arm 3
Side 312, support flange 312 do not influence the swing of lift arm 3 in arc groove 231, and can be that lift arm 3 provides branch
Support so that lift arm 3 is more stablized, safety higher, while support flange 312 can also avoid connecting pole 22 it is long-term excessively by
Power and there is deformation so that structure more stablize.Installing has two grooves 24 on the bottom surface of counterbore 21, two groove 24 is opposite to pacify
The center line center symmetric setting of counterbore 21 is filled, groove 24 has an inclined cell wall, which is above-mentioned pushing tow
Inclined-plane 241, push block 5 is circumferential connected with lift arm 3, and the lower end of push block 5 has two pushing tow protrusions 51, in goring push spring 53
Under the action of two pushing tow protrusions 51 can bear against on the pushing tow inclined-plane 241 of two grooves 24, pushing tow protrusion 51 is respectively provided with one
Inclined pushing tow side 511 and horizontal positioning end face 512, the act when pushing tow side 511 and pushing tow inclined-plane 241 fit
It rises arm 3 and the front-rear direction of portal frame 1 forms angle, lifted when positioning end face 512 with installing when the bottom surface of counterbore 21 leans
Arm 3 is parallel with the front-rear direction of portal frame 1, and push block 5 has the trend moved down under the action of goring push spring 53, at this time
It can be lifted when pushing tow side 511 fits with pushing tow inclined-plane 241 along 241 slide downward of pushing tow inclined-plane pushing tow protrusion 51
Arm 3 is risen to be rocked to greatest extent to 1 middle part of portal frame, and lift arm 3 needs to reset when swinging out, and needs service personnel manual
It pushes so that push block 5 overcomes the elastic force of goring push spring 53 and rises, until positioning end face 512 is with installing 21 bottom surface phase of counterbore
Against, and it is straight lift arm 3 can be positioned when leaning against end face and straight 21 bottom surface of installation counterbore, avoid lifting
It rises arm 3 voluntarily to swing to 1 middle part of portal frame, so as to safer in vehicles while passing portal frame 1.The downside of 3 end of lift arm
There is cylindrical portion 313 on face, which is set around connecting pole 22, and the upper end of push block 5 is cylindrical in shape, and push block 5
Upper end sliding plug is provided in the axial direction with guide groove 314, has on 5 outer wall of push block in cylindrical portion 313 in cylindrical portion 313
Guide pad 52, guide pad 52 are slidably connected in guide groove 314, and the lower end of goring push spring 53 is pressed on the inner bottom surface of push block 5
On, upper end is pressed on the downside of lift arm 3, i.e., push block 5 is merely able to slide up and down, and is unable to circumferentially rotate, so as to
So that the pushing tow of push block 5 is more stablized.
With reference to shown in Fig. 6, detent mechanism 6 includes the positioning plate 61 in sector, has inserting column on the side of positioning plate 61
611, spliced eye 315 is offered on the upper side of 3 hinged end of lift arm, the rotation of inserting column 611 is plugged in spliced eye 315, and
The outer edge of 61 arc of positioning plate has identical center line with connecting hole 311, and the outside of 61 arc of positioning plate circumferentially has
Several engaging tooths have on 3 upper side of lift arm and the stopper protrusion 316 that positioning plate 61 circumferentially limits can be lifted on block 2
Positioning gear 1 is vertically slidably connected, the positioning gear 1 and lifting block 2 are circumferentially fixed, and when positioning gear
One 62 can be meshed when moving down with the engaging tooth of positioning plate 61, and stopper protrusion 316 limits positioning plate 61, therefore
Positioning plate 61 is difficult to rotate or is difficult to the rotation of larger angle, and position gear 1 and lifting block 2 it is circumferentially fixed, therefore work as
Positioning gear 1 can decline automatically when lift arm 3 rises, and so as to be meshed with positioning plate 61, circumferential direction is carried out to positioning plate 61
Positioning avoids lift arm 3 from being swung after lifting, safety higher.It positions and is fixed with cross section on the lower face of gear 1
Rectangular propulsion arm 1 lifts and the rectangular through-hole in cross section is offered on block 2, and the slip of propulsion arm 1 is threaded through through-hole
It is interior, and through-hole is stretched out in the lower end of propulsion arm 1, has leaning seat 1 in the lower end of propulsion arm 1, when lift arm 3 declines
And leaning seat 1 and ground, when leaning, positioning gear 1 can rise and come off with positioning plate 61, on propulsion arm 1
Retaining spring 1 is also arranged with, the lower end of the retaining spring 1 is pressed on leaning seat 1, and upper end is resisted against lifting block 2
On downside, retaining spring 1 can decline positioning gear 1 and be engaged with positioning plate 61 when lift arm 3 rises, fixed
The engaging tooth upper end of position plate 61 and the engaging tooth lower end of positioning gear 1 are in tip-angled shape, and there are two stopper protrusions 316, and two
Stopper protrusion 316 works as one of a stopper protrusion 316 and positioning plate 61 respectively positioned at two straight flanges of positioning plate 61 along side
Straight flange along against when another stopper protrusion 316 and positioning plate 61 another straight flange along between have gap, when lift arm 3 to
During upper lifting, the leaning seat 1 on propulsion arm 1 is detached from bottom surface, positions gear under the action of retaining spring 1 at this time
One 62 can decline, wherein since the engaging tooth upper end of positioning plate 61 and the engaging tooth lower end of positioning gear 1 are in wedge angle
Shape, and positioning plate 61 can circumferentially rotate smaller angle, therefore be not in position the engaging tooth of gear 1 and positioning plate 61
Engaging tooth the phenomenon that leaning and being difficult to engage, i.e. positioning plate 61 can be swung to adapt to positioning gear 1, so as to
So that both smoothly engagement, and when lift arm 3 declines leaning seat 1 and ground against and one 62 upward pushing tow of gear will be positioned,
So that the two is detached from, go to release detent mechanism 6 one by one there is no need to service personnel, operation is more convenient.
With reference to shown in Fig. 7, Fig. 8, position limiting structure includes two limited blocks 71, has two installation cavitys 41 in support base 4, is supporting
Two pilot holes 42 are offered on the upper side of seat 4, which is connected respectively with two installation cavitys 41, and two limited blocks 71 divide
It is not slidably connected in two pilot holes 42, limit spring 72 is equipped between 41 top surface of limited block 71 and installation cavity, in limit spring
Limited block 71 has the trend for stretching out pilot hole 42 under the action of 72, and being additionally provided in installation cavity 41 when lift arm 3 declines can
Make the connecting rod 73 in 71 retraction pilot hole 42 of limited block, limit spring 72 can stretch out limited block 71 when lift arm 3 rises
Pilot hole 42, and there is the flange of plate on automobile bottom girder, two limited blocks 71 can be located at the both sides of the flange respectively, so as to
Support base 4 is limited on automobile bottom girder, and connecting rod 73 can make 71 retraction pilot hole 42 of limited block when lift arm 3 declines,
The spacing relation between automobile bottom girder is automatically terminated, operation is more convenient.Connecting rod 73 is hinged in installation cavity 41, limited block 71
Interior end side surface on offer against slot 711, one end of connecting rod 73 is stretched into against slot 711, is offered on the downside of support base 4
Cross section is in the through hole 43 of bar shaped, which is connected with installation cavity 41, has on the other end downside of connecting rod 73
Pushing post 74, the pushing post 74 are passed down through through hole 43, and the lower end of pushing post 74 is bolted with adjusting bolt 75, adjusting bolt 75
Head be connected with ball 76, pushing post 74 being capable of pushing tow company upwards when lift arm 3 declines and ball 76 and ground lean
Bar 73, ball 76 can lean with ground when lift arm 3 declines so that one end of connecting rod 73 is swung up, therefore connecting rod
73 other end can adjust the position of ball 76 to lower swing, i.e., downward pushing tow limited block 71, wherein adjusting bolt 75, so as to
So that connecting rod 73 swings proper angle when lift arm 3 drops to extreme lower position so that limited block 71 can be entirely retracted to pilot hole
In 42, so as to the ground suitable for out-of-flatness.
With reference to shown in Fig. 9, Figure 10, Figure 11, lift arm 3 includes swing arm 31 and telescopic arm 32, and swing arm 31 in a tubular form, is stretched
One end sliding plug of contracting arm 32 is fixed with positioning tooth bar 321 along its length in swing arm 31 on the side of telescopic arm 32,
Sliding slot 317 is offered on the inner wall of swing arm 31 along its length, positioning tooth bar 321 is slidably connected in sliding slot 317, sliding slot
Positioning gear 28 is also vertically slidably connected in 317, positioning is additionally provided between positioning gear 28 and swing arm 31
Spring 2 83, under the action of retaining spring 2 83, positioning gear 28 when lift arm 3 rises can be with 321 phase of positioning tooth bar
Engagement adjusts the position of support base 4 so that support base after swing arm 31 is rocked to suitable position by flexible telescopic arm 32
4 are located just at the lower section of automobile bottom girder, and when telescopic arm 32 is adjusted in place and lift arm 3 rises, retaining spring 2 83 can make
Positioning gear 28 declines and is engaged with positioning tooth bar 321, so as to which telescopic arm 32 be positioned, avoids the occurrence of because of telescopic arm 32
It retracts under external force and support base 4 is caused to be detached from base of wagon, safety higher.It is offered on 317 times cell walls of sliding slot
Perforative limit hole 318 positions and is fixed with propulsion arm 2 81 on the lower face of gear 28, and the propulsion arm 2 81 slip is threaded through
In limit hole 318, and limit hole 318 is stretched out in the lower end of propulsion arm 2 81, has leaning seat 2 82 in the lower end of propulsion arm 2 81,
The upper end of retaining spring 2 83 is pressed on 31 downside of swing arm, and lower end is pressed on leaning seat 2 82, decline when lift arm 3 and
Gear 28 is positioned when leaning seat 2 82 leans with ground can rise and be separated with positioning tooth bar 321, positioning tooth bar 321
Engaging tooth upper end and positioning gear 28 engaging tooth lower end in tip-angled shape, vertically opened on 2 81 outer wall of propulsion arm
Equipped with limiting slot 811, there is limiting section 319 on 318 hole wall of limit hole, limiting section 319 is slidably connected in limiting slot 811, is limited
The width of position slot 811 is more than the width of limiting section 319, when lift arm 3 lifts upwards, the leaning seat 2 82 on propulsion arm 2 81
Bottom surface is detached from, gear 28 is positioned under the action of retaining spring 2 83 at this time to decline, wherein due to positioning tooth bar 321
Engaging tooth upper end and the engaging tooth lower end of positioning gear 28 are in tip-angled shape, and positioning gear 28 can circumferentially rotate smaller angle
Degree, thus be not in position gear 28 engaging tooth and the engaging tooth of positioning tooth bar 321 lean and be difficult to engage show
As, that is, positioning gear 28 can be rotated to adapt to positioning tooth bar 321, so that the two smoothly engages, and lift arm 3
During decline leaning seat 2 82 and ground against and 28 upward pushing tow of gear will be positioned so that the two is detached from, and operation is more convenient.
Claims (10)
1. a kind of automobile inspection lifting machine, including portal frame (1), the portal frame (1) includes two columns (11), the column
(11) lifting block (2) is vertically slidably connected on, is hinged with two lift arms (3) on the lifting block (2), this two
Lift arm (3) is horizontally disposed, and the free end of the lift arm (3) is respectively connected with the support base being used to support on automobile bottom girder
(4), which is characterized in that there is the inclined pushing tow inclined-plane (241) of relatively horizontal orientation, the lift arm on the lifting block (2)
(3) hinged end is connected with the push block (5) that can be resisted against on pushing tow inclined-plane (241), the push block (5) and lift arm
(3) goring push spring (53) is equipped between, push block has relatively low to pushing tow inclined-plane (241) under the action of goring push spring (53)
The trend that one end is slided, and when push block along pushing tow inclined-plane (241) to lift arm (3) during relatively low one end slip to portal frame
(1) middle part is swung, and being equipped between the lift arm (3) and lifting block (2) can will lift when lift arm (3) lifts upwards
Arm (3) is circumferentially located in the detent mechanism (6) on lifting block (2), and the support base (4) is equipped with when lift arm (3) is lifted upwards
Support base (4) can be limited the position-limit mechanism (7) on automobile bottom girder when rising.
2. automobile inspection lifting machine according to claim 1, which is characterized in that on the upper side of the lifting block (2)
With installation counterbore (21), there is connecting pole (22) on the bottom surface of the installation counterbore (21), the upper end of the connecting pole (22) is stretched
Go out to install counterbore (21), the end of the lift arm (3) has connecting hole (311), and lift arm (3) passes through connecting hole (311)
Rotation is set on connecting pole (22), and the end of the lift arm (3) is arc-shaped, and in curved end last week of lift arm (3)
To with flange (312) is supported, being fitted around counterbore (21) on the upper side of the lifting block (2) has the support convex edge of arc
(23), arc groove (231) is offered on the concave surface of support convex edge (23), above-mentioned support flange (312) is slidably connected at arc
In shape slot (231), the push block (5) and goring push spring (53) are arranged in installation counterbore (21).
3. automobile inspection lifting machine according to claim 2, which is characterized in that on the bottom surface of the installation counterbore (21)
With two grooves (24), the center line center symmetric setting of the opposite installation counterbore (21) of two groove (24), the groove (24)
With an inclined cell wall, which is above-mentioned pushing tow inclined-plane (241), the push block (5) and lift arm (3) week
To be connected, and the lower end of push block (5) have two pushing tow protrusions (51), the two pushing tow protrusions under the action of goring push spring (53)
(51) it can bear against on the pushing tow inclined-plane (241) of two grooves (24), it is inclined that the pushing tow protrusion (51) is respectively provided with one
Pushing tow side (511) and the positioning end face (512) of level, described in when pushing tow side (511) and pushing tow inclined-plane (241) fit
Lift arm (3) and the front-rear direction of portal frame (1) form angle, when positioning end face (512) and the bottom surface phase for installing counterbore (21)
Against when lift arm (3) it is parallel with the front-rear direction of portal frame (1).
4. automobile inspection lifting machine according to claim 3, which is characterized in that the downside of lift arm (3) end
There is cylindrical portion (313), which is set around connecting pole (22), and the upper end of the push block (5) is in cylinder on face
Shape, and the upper end sliding plug of push block (5) is provided in the axial direction with guiding in cylindrical portion (313) on the cylindrical portion (313)
Slot (314), has guide pad (52) on push block (5) outer wall, and the guide pad (52) is slidably connected at guide groove (314)
Interior, the lower end of the goring push spring (53) is pressed on the inner bottom surface of push block (5), and upper end is pressed on the downside of lift arm (3)
On face.
5. the automobile inspection lifting machine according to Claims 2 or 3 or 4, which is characterized in that detent mechanism (6) packet
The positioning plate (61) in sector is included, there is inserting column (611) on the side of the positioning plate (61), the lift arm (3) is hinged
Spliced eye (315) is offered on the upper side at end, above-mentioned inserting column (611) rotation is plugged in spliced eye (315), and positioning plate
(61) outer edge of arc has identical center line with connecting hole (311), and the outside of positioning plate (61) arc is circumferentially
With several engaging tooths, having on lift arm (3) upper side can be to stopper protrusion that positioning plate (61) circumferentially limit
(316), positioning gear one (62) is vertically slidably connected on the lifting block (2), the positioning gear one (62) is with lifting
It is circumferentially fixed to rise block (2), and can be meshed when positioning gear one (62) moves down with the engaging tooth of positioning plate (61).
6. automobile inspection lifting machine according to claim 5, which is characterized in that the lower end of the positioning gear one (62)
The rectangular propulsion arm one (63) in cross section is fixed on face, the rectangular through-hole in cross section is offered on the lifting block (2),
Above-mentioned propulsion arm one (63) is slided and is threaded through in through-hole, and through-hole is stretched out in the lower end of propulsion arm one (63), in propulsion arm one (63)
Lower end there is leaning seat one (64), when lift arm (3) declines and leaning seat one (64) and ground lean, position gear one
(62) it can rise and come off with positioning plate (61), retaining spring one (65) is also arranged on the propulsion arm one (63), this is fixed
The lower end of position spring one (65) is pressed on leaning seat one (64), and upper end is resisted against on lifting block (2) downside, works as lift arm
(3) retaining spring one (65) can decline positioning gear one (62) and be engaged with positioning plate (61), the positioning plate when rising
(61) in tip-angled shape, the stopper protrusion (316) has two for engaging tooth upper end and the engaging tooth lower end of positioning gear one (62)
It is a, and two stopper protrusions (316) are respectively positioned at two straight flanges of positioning plate (61) along side, and when stopper protrusion (316) with
One straight flange of positioning plate (61) along against when another stopper protrusion (316) and another straight flange edge of positioning plate (61) between
With gap.
7. the automobile inspection lifting machine according to Claims 2 or 3 or 4, which is characterized in that the position limiting structure includes two
Limited block (71), the support base (4) is interior to have two installation cavitys (41), and two guiding are offered on the upper side of support base (4)
Hole (42), two pilot hole (42) are connected respectively with two installation cavitys (41), and two limited blocks (71) are slidably connected at respectively
In two pilot holes (42), limit spring (72) is equipped between the limited block (71) and installation cavity (41) top surface, in limit spring
(72) limited block (71) has the trend for stretching out pilot hole (42) under the action of, is additionally provided in the installation cavity (41) and works as lift arm
(3) connecting rod (73) in limited block (71) retraction pilot hole (42) can be made when declining.
8. automobile inspection lifting machine according to claim 7, which is characterized in that the connecting rod (73) is hinged on installation cavity
(41) in, offered in the interior end side surface of the limited block (71) against slot (711), one end of above-mentioned connecting rod (73) stretch into against
Slot (711), offers the through hole (43) that cross section is in bar shaped on the downside of the support base (4), the through hole (43) with
Installation cavity (41) is connected, and has pushing post (74) on the other end downside of the connecting rod (73), and the pushing post (74) is downward
Across through hole (43), the lower end of the pushing post (74) is bolted with adjusting bolt (75), the head of the adjusting bolt (75)
Ball (76) is connected with, pushing post (74) being capable of upward pushing tow when lift arm (3) declines and ball (76) and ground lean
Connecting rod (73).
9. automobile inspection lifting machine according to claim 6, which is characterized in that the lift arm (3) is including swing arm
(31) and telescopic arm (32), in a tubular form, one end sliding plug of the telescopic arm (32) is in swing arm for the swing arm (31)
(31) in, be fixed with positioning tooth bar (321) on the side of the telescopic arm (32) along its length, the swing arm (31) it is interior
Sliding slot (317) is offered on wall along its length, the positioning tooth bar (321) is slidably connected in sliding slot (317), the sliding slot
(317) positioning gear two (8) is also vertically slidably connected in, between positioning gear two (8) and swing arm (31) also
Equipped with retaining spring two (83), under the action of retaining spring two (83), gear two (8) energy is positioned when lift arm (3) rises
It is enough to be meshed with positioning tooth bar (321).
10. automobile inspection lifting machine according to claim 9, which is characterized in that opened on cell wall under the sliding slot (317)
Equipped with perforative limit hole (318), propulsion arm two (81) is fixed on the lower face of the positioning gear two (8), the propulsion arm
Two (81), which are slided, to be threaded through in limit hole (318), and limit hole (318) is stretched out in the lower end of propulsion arm two (81), in propulsion arm two
(81) lower end has leaning seat two (82), and the upper end of above-mentioned retaining spring two (83) is pressed on swing arm (31) downside,
Lower end is pressed on leaning seat two (82), the positioning tooth when the lift arm (3) declines and leaning seat two (82) and ground lean
Two (8) of wheel can rise and be separated with positioning tooth bar (321), the engaging tooth upper end of the positioning tooth bar (321) and positioning tooth
The engaging tooth lower end for taking turns two (8) is in tip-angled shape, and limiting slot is vertically offered on described two (81) outer wall of propulsion arm
(811), there is limiting section (319), the limiting section (319) is slidably connected at limiting slot on limit hole (318) hole wall
(811) in, the width of the limiting slot (811) is more than the width of limiting section (319).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810010634.3A CN108190783B (en) | 2018-01-05 | 2018-01-05 | A kind of automobile inspection lifting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810010634.3A CN108190783B (en) | 2018-01-05 | 2018-01-05 | A kind of automobile inspection lifting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108190783A true CN108190783A (en) | 2018-06-22 |
| CN108190783B CN108190783B (en) | 2019-02-15 |
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ID=62588431
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810010634.3A Active CN108190783B (en) | 2018-01-05 | 2018-01-05 | A kind of automobile inspection lifting machine |
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| CN (1) | CN108190783B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877226A (en) * | 2019-03-04 | 2019-06-14 | 武汉神风模具制造有限公司 | Lift arm steel part or so part and its mold |
| CN112298095A (en) * | 2019-07-25 | 2021-02-02 | 浙江吉利汽车研究院有限公司 | Engine hood lifting device |
| CN112320663A (en) * | 2020-11-10 | 2021-02-05 | 苏州凯莱特自动化设备有限公司 | EMC detects platform belt fracture self-lock device |
| CN112408240A (en) * | 2020-11-20 | 2021-02-26 | 杭州莱本科技有限公司 | Lifting system for moving operation and assembling method thereof |
| CN113292012A (en) * | 2021-04-09 | 2021-08-24 | 杭伟宁 | Industrial electric automatization AGV dolly overhauls device |
| CN113387296A (en) * | 2021-07-26 | 2021-09-14 | 上海真欣真亦汽车科技有限公司 | Multifunctional lifting machine for automobile maintenance |
| CN114261925A (en) * | 2022-01-12 | 2022-04-01 | 中国人民解放军陆军装甲兵学院 | Armored car overhauls hydraulic pressure jacking supporting platform |
| CN114312956A (en) * | 2021-12-30 | 2022-04-12 | 杭州锐冠科技有限公司 | Trolley for overhauling doffing vehicle |
| CN114803944A (en) * | 2022-05-30 | 2022-07-29 | 东风汽车集团股份有限公司 | Lifting equipment and control method thereof |
| US20230382700A1 (en) * | 2022-05-27 | 2023-11-30 | Vehicle Service Group, Llc | Restraint spline for pivoting arm of vehicle lift |
| US12134549B2 (en) * | 2023-05-25 | 2024-11-05 | Vehicle Service Group, Llc | Restraint spline for pivoting arm of vehicle lift |
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| EP2181958A1 (en) * | 2008-10-31 | 2010-05-05 | Dannmar Worldwide, Inc. | Portable two post automobile lift |
| CN103603565A (en) * | 2013-11-12 | 2014-02-26 | 东莞鑫泰玻璃科技有限公司 | Self-return hinge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877226A (en) * | 2019-03-04 | 2019-06-14 | 武汉神风模具制造有限公司 | Lift arm steel part or so part and its mold |
| CN109877226B (en) * | 2019-03-04 | 2024-03-22 | 武汉神风模具制造有限公司 | Left and right parts of lifting arm steel part and mould thereof |
| CN112298095B (en) * | 2019-07-25 | 2022-01-14 | 浙江吉利汽车研究院有限公司 | Engine hood lifting device |
| CN112298095A (en) * | 2019-07-25 | 2021-02-02 | 浙江吉利汽车研究院有限公司 | Engine hood lifting device |
| CN112320663A (en) * | 2020-11-10 | 2021-02-05 | 苏州凯莱特自动化设备有限公司 | EMC detects platform belt fracture self-lock device |
| CN112408240A (en) * | 2020-11-20 | 2021-02-26 | 杭州莱本科技有限公司 | Lifting system for moving operation and assembling method thereof |
| CN112408240B (en) * | 2020-11-20 | 2024-02-06 | 杭州莱本科技有限公司 | Lifting system for mobile operation and assembling method thereof |
| CN113292012A (en) * | 2021-04-09 | 2021-08-24 | 杭伟宁 | Industrial electric automatization AGV dolly overhauls device |
| CN113387296A (en) * | 2021-07-26 | 2021-09-14 | 上海真欣真亦汽车科技有限公司 | Multifunctional lifting machine for automobile maintenance |
| CN114312956A (en) * | 2021-12-30 | 2022-04-12 | 杭州锐冠科技有限公司 | Trolley for overhauling doffing vehicle |
| CN114261925A (en) * | 2022-01-12 | 2022-04-01 | 中国人民解放军陆军装甲兵学院 | Armored car overhauls hydraulic pressure jacking supporting platform |
| CN114261925B (en) * | 2022-01-12 | 2023-06-27 | 中国人民解放军陆军装甲兵学院 | Armored car overhauls hydraulic pressure jacking support platform |
| US20230382700A1 (en) * | 2022-05-27 | 2023-11-30 | Vehicle Service Group, Llc | Restraint spline for pivoting arm of vehicle lift |
| CN114803944A (en) * | 2022-05-30 | 2022-07-29 | 东风汽车集团股份有限公司 | Lifting equipment and control method thereof |
| US12134549B2 (en) * | 2023-05-25 | 2024-11-05 | Vehicle Service Group, Llc | Restraint spline for pivoting arm of vehicle lift |
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| CN108190783B (en) | 2019-02-15 |
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