CN107352459B - A kind of lifting machine and its working method with double-layer lifting function - Google Patents
A kind of lifting machine and its working method with double-layer lifting function Download PDFInfo
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- CN107352459B CN107352459B CN201710511645.5A CN201710511645A CN107352459B CN 107352459 B CN107352459 B CN 107352459B CN 201710511645 A CN201710511645 A CN 201710511645A CN 107352459 B CN107352459 B CN 107352459B
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Classifications
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- 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
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0658—Multiple scissor linkages horizontally arranged
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- 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
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0666—Multiple scissor linkages vertically arranged
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- 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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- 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
- B66F2700/00—Lifting apparatus
- B66F2700/12—Lifting platforms for vehicles or motorcycles or similar lifting apparatus
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Elevator Control (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a kind of lifting machine with double-layer lifting function, including hydraulic system, one group of pedestals, one group of first scissor jack, one group of second scissor jack, one group of lifting platform, one group of pallet, one group of first crossbeam, one group of second cross beam, one group of adjustable connection board, control module, wherein the first scissor jack lower part is connect with pedestal, and top is connect with lifting platform, and centre is connect with first crossbeam；Second scissor jack lower part is connect with lifting platform, and top is connect with pallet, and centre is connect with second cross beam；Adjustable connection board is connect with pedestal, it can be realized and upper and lower level elevating function is selectively used according to maintenance vehicle condition, hydraulic system is divided into two smaller portions up and down and controls executive component respectively, and all components of hydraulic system are mounted on pedestal and lifting platform, it is not required to individually be equipped with power control cabinet, it is low for space requirement, for different model automobile adjustable berth away from applicable vehicle range is wide and simple to operate.
Description
Technical field
The present invention relates to the technical field of car lift, in particular to a kind of lifting machine with double-layer lifting function.
Background technique
Car lift is the equipment for lifting automobile during auto repair, and automobile reaches lifting machine station, passes through
The height that manual operation can make vehicle hoisting certain is convenient for auto repair.Lifting machine plays very in auto repair maintenance
Important role, present maintenance factory are provided with lifting machine, and lifting machine is the necessary equipment of auto repair or maintenance.
Lifting machine function is not powerful enough at present, generally there was only single layer elevating function, if being supported using automobile tire,
Tire can not be overhauled, if using hydraulic system, hydraulic pole length is long, to space requirement height, and generally lifts
Rise machine can not for different model automobile adjust spacing, the scope of application is small, and most of lifting machines all need individually to be equipped with it is automatically controlled
Cabinet, more occupied space and operation difficulty are high.
Summary of the invention
The purpose of invention: the invention discloses a kind of lifting machine with double-layer lifting function, user can be according to tool car
Situation selectively uses upper and lower level elevating function, and hydraulic system is divided into two smaller portions and controls executive component respectively, and
All components of hydraulic system are mounted on pedestal and lifting platform, are not required to individually be equipped with power control cabinet, needle low for space requirement
To different model automobile adjustable berth away from applicable vehicle range is wide and simple to operate.
Technical solution: in order to achieve the goal above, the invention discloses a kind of lifting machine with double-layer lifting function, packet
Include hydraulic system, one group of pedestal, one group of first scissor jack, one group of second scissor jack, one group of lifting platform, one group of support
Disk, one group of first crossbeam, one group of second cross beam, one group of adjustable connection board, control module, wherein the first scissor jack lower part
It is connect with pedestal, top is connect with lifting platform, and centre is connect with first crossbeam；Second scissor jack lower part and lifting platform connect
It connects, top is connect with pallet, and centre is connect with second cross beam；Adjustable connection board is connect with pedestal.
Further, above-mentioned a kind of lifting machine with double-layer lifting function, the hydraulic system includes pipeline, electronic
Machine, hydraulic pump, reversal valve, one group of first hydraulic cylinder, one group of second hydraulic cylinder, one group of first hydraulic stem, one group of second hydraulic stem,
Hydraulic oil, wherein motor is connect with hydraulic pump, and hydraulic pump is connected by pipeline, reversal valve and first hydraulic cylinder, and first is hydraulic
Cylinder is connect with the first hydraulic stem；Hydraulic pump is connected by pipeline, reversal valve and second hydraulic cylinder, and second hydraulic cylinder is hydraulic with second
Bar connection, first hydraulic cylinder, the first hydraulic stem driving lower layer's executive component realize lower layer's elevating function, second hydraulic cylinder, second
Hydraulic stem drives upper layer executive component to realize upper layer elevating function.
Further, above-mentioned a kind of lifting machine with double-layer lifting function, the pedestal include first sliding groove, and first turn
Dynamic pair, the second revolute pair, supporting element, supporting element can limit the extreme lower position of lifting platform landing, prevent lifting platform and be set to
Components on pedestal interfere.
Further, above-mentioned a kind of lifting machine with double-layer lifting function, first scissor jack include one group
First single-ended fixed support arm, one group of first both ends slidably support arm, and the first single-ended fixed support arm lower end passes through the first rotation
Pair connection pedestal, top connect first pulley, and the first both ends sliding support arm top bottom is all connected with first pulley, and bottom end passes through the
One pulley is connect with first sliding groove, and the first hydraulic stem bottom end is connect with the second revolute pair, and top is connect with first crossbeam.
Further, above-mentioned a kind of lifting machine with double-layer lifting function, the lifting platform bottom are equipped with second sliding slot,
First single-ended fixed support arm is connect by first pulley with second sliding slot, and it is sliding by first that the first both ends slidably support arm top
Wheel connect with second sliding slot, and lifting platform top is equipped with third sliding slot, third revolute pair, the 4th revolute pair, is also set among lifting platform
There is through-hole, side is equipped with the first hook, and pipeline passes through through-hole and connect connection with second hydraulic cylinder.
Further, above-mentioned a kind of lifting machine with double-layer lifting function, second scissor jack include one group
Second single-ended fixed support arm, one group of second both ends slidably support arm, and the second single-ended fixed support arm lower end is rotated by third
Pair connection lifting platform, top connects second pulley；Second single-ended fixed support arm top is connect by second pulley with pallet, the
Two both ends sliding support arm top bottom is all connected with second pulley, and bottom end second pulley is connect by third sliding slot with lifting platform, pushes up
End is connect by second pulley with pallet, and the second hydraulic stem bottom end is connect with the 4th revolute pair, and top is connect with second cross beam.
Further, above-mentioned a kind of lifting machine with double-layer lifting function, the adjustable connection board includes left plate,
Right side plate, screw rod, nut, left plate, right side plate are connected by screw rod, and nut is fixed among screw rod, and rotating nut drives spiral shell
Bar rotation, realizes left plate, right side plate spacing regulatory function.
Further, a kind of above-mentioned lifting machine with double-layer lifting function, the control module include PCB control panel,
Back is equipped with the second hook, and the second hook cooperates with the first hook, realizes that control module hangs on lifting platform side, PCB control
Plate is connected with power switch, emergency stop/reset button, lower layer's rising button, lower layer's declines button, upper layer rising button, under upper layer
Button drops, and control module is connect with hydraulic system.
The invention discloses a kind of working methods of lifting machine with double-layer lifting function, comprising the following steps: 1) root
According to vehicle wheel base, rotating nut, adjusting adjustable connection board matches one group of pedestal spacing with vehicle wheel base；2) driving automobile stops
In on lifting platform, it is closed power switch；3) Continued depression lower layer rising button, the operation of control module drive hydraulic system principle are electronic
Machine drives hydraulic pump operating, and hydraulic pump extrudes hydraulic oil in first hydraulic cylinder, and hydraulic oil drives the first hydraulic stem to rise, in turn
Lifting platform rises；4) lifting platform rises to extreme position, if automobile height still needs to be promoted or need to overhaul tire, on Continued depression
Layer rising button, control module control reversal valve commutation, and motor drives hydraulic pump operating, and hydraulic pump is by liquid in second hydraulic cylinder
Pressure oil extrudes, and hydraulic oil drives the second hydraulic stem to rise, and then pallet rises；5) after automobile inspection, Continued depression upper layer
Declines button, motor drive hydraulic pump operating, and hydraulic pump makes second hydraulic cylinder pressure release, and hydraulic oil is back to second hydraulic cylinder,
Pallet declines under the effect of gravity；6) Continued depression lower layer declines button, control module control reversal valve back towards, and motor drives
Hydraulic pump operating, hydraulic pump make first hydraulic cylinder pressure release, and hydraulic oil is back to first hydraulic cylinder, under the effect of gravity under lifting platform
Drop；7) driving automobile leaves, disconnecting power switch.
Above-mentioned technical proposal can be seen that the invention has the following beneficial effects:
(1) a kind of lifting machine with double-layer lifting function of the present invention, has the function of double-layer lifting, according to automobile
Situation need to be overhauled, selectively using lower layer's lifting or double-layer lifting function.
(2) a kind of lifting machine with double-layer lifting function of the present invention, using double-layer hydraulic device, change is whole to be
Zero, avoid large parts to the high request in space.
(3) a kind of lifting machine with double-layer lifting function of the present invention is reduced every using double-layer hydraulic device
The hoisting depth of layer hydraulic device, when there is equipment fault or accident, double-layer hydraulic device provides double layer security guarantee, makes
Use process more safe.
(4) a kind of lifting machine with double-layer lifting function of the present invention, hydraulic system components are placed in base
With on lifting platform, control module is individually hung on lifting platform seat, is not required to individually be equipped with power control cabinet, using simpler convenient.
(5) a kind of lifting machine with double-layer lifting function of the present invention, adjustable connection board can be according to automobile shafts
Away from width between flexible modulation pedestal can satisfy the maintenance of different wheelbase automobiles.
(6) a kind of lifting machine with double-layer lifting function of the present invention, it is incumbent out in lifting machine use process
What situation, can press scram button at any time, and making equipment, stopping acts rapidly, when troubleshooting, press reset button, setting
It is not required to power off when standby troubleshooting, and the work before can continuing, for troubleshooting more safe ready.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of the lifting machine with double-layer lifting function of the present invention；
Fig. 2 is a kind of base construction connection schematic diagram of the lifting machine with double-layer lifting function of the present invention；
Fig. 3 is a kind of lifting platform bottom structure connection signal of the lifting machine with double-layer lifting function of the present invention
Figure；
Fig. 4 is a kind of upper layer hydraulic device schematic diagram of the lifting machine with double-layer lifting function of the present invention；
Fig. 5 is a kind of adjustable connection board schematic diagram of the lifting machine with double-layer lifting function of the present invention；
Fig. 6 is a kind of control module schematic diagram of the lifting machine with double-layer lifting function of the present invention.
In figure: 1- pedestal, the first scissor jack of 2-, the second scissor jack of 3-, 4- lifting platform, 5- pallet, 6- first
Crossbeam, 7- second cross beam, 8- adjustable connection board, 9- control module, 10- motor, 11- hydraulic pump, 12- reversal valve, 13-
One hydraulic cylinder, 14- second hydraulic cylinder, the first hydraulic stem of 15-, the second hydraulic stem of 16-, 17- first sliding groove, the first revolute pair of 18-,
The second revolute pair of 19-, 20- supporting element, the single-ended fixed support arm of 21- first, the first both ends 22- slidably support arm, and 23- first is sliding
Wheel, 24- second sliding slot, 25- third sliding slot, 26- third revolute pair, the 4th revolute pair of 27-, the single-ended fixation of 28- through-hole 29- second
Support arm, the second both ends 30- sliding support arm, 31- second pulley, 32- left plate, 33- right side plate, 34- screw rod, 35- nut,
36- first is linked up with, and 37- second is linked up with, 38- power switch, 39- emergency stop/reset button, 40- lower layer rising button, 41- lower layer
Declines button, the upper layer 42- rising button, the upper layer 43- declines button.
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of the invention is described in detail.
Embodiment
The invention discloses a kind of lifting machines with double-layer lifting function, as shown in Figures 1 to 6, including hydraulic system,
One group of pedestal 1, one group of first scissor jack 2, one group of second scissor jack 3, one group of lifting platform 4, one group of pallet 5, one group
First crossbeam 6, one group of second cross beam 7, one group of adjustable connection board 8, control module 9, wherein 2 lower part of the first scissor jack with
Pedestal 1 connects, and top is connect with lifting platform 4, and centre is connect with first crossbeam 6；Second scissor jack, 3 lower part and lifting platform 4
Connection, top are connect with pallet 5, and centre is connect with second cross beam 7；Adjustable connection board 8 is connect with pedestal 1.
The hydraulic system includes pipeline, motor 10, hydraulic pump 11, reversal valve 12, one group of first hydraulic cylinder 13, and one group
Second hydraulic cylinder 14, one group of first hydraulic stem 15, one group of second hydraulic stem 16, hydraulic oil, wherein motor 10 and hydraulic pump 11
Connection, hydraulic pump 11 are connect by pipeline, reversal valve 12 with first hydraulic cylinder 13, and first hydraulic cylinder 13 and the first hydraulic stem 15 connect
It connects；Hydraulic pump 11 is connect by pipeline, reversal valve 12 with second hydraulic cylinder 14, and second hydraulic cylinder 14 and the second hydraulic stem 16 connect
It connects, first hydraulic cylinder 13, the first hydraulic stem 15 driving lower layer's executive component realize lower layer's elevating function, second hydraulic cylinder 14, the
Two hydraulic stems 16 drive upper layer executive component to realize upper layer elevating function.
The pedestal 1 includes first sliding groove 17, the first revolute pair 18, the second revolute pair 19, supporting element 20.
First scissor jack 2 includes one group of first single-ended fixed support arm 21, one group of first both ends sliding support
Arm 22, the first single-ended fixed 21 lower end of support arm connect pedestal 1 by the first revolute pair 18, and top connects first pulley 23, the
One both ends sliding support 22 top bottom of arm is all connected with first pulley 23, and bottom end is connect by first pulley 23 with first sliding groove 17,
First hydraulic stem, 15 bottom end is connect with the second revolute pair 19, and top is connect with first crossbeam 6.
4 bottom of lifting platform is equipped with second sliding slot 24, and the first single-ended fixed support arm 21 passes through first pulley 23 and the
The connection of two sliding slots 24, the first both ends sliding support 22 top of arm are connect by first pulley 23 with second sliding slot 24, and lifting platform 4 pushes up
Portion is equipped with third sliding slot 25, third revolute pair 26, the 4th revolute pair 27, is additionally provided with through-hole 28 among lifting platform 4, and side is equipped with the
One hook 36, pipeline pass through through-hole and connect with second hydraulic cylinder 14.
Second scissor jack 3 includes one group of second single-ended fixed support arm 29, one group of second both ends sliding support
Arm 30, the second single-ended fixed 29 lower end of support arm connect lifting platform 4 by third revolute pair 26, and top connects second pulley 31；
Second single-ended fixed 29 top of support arm is connect by second pulley 31 with pallet 5, and the second both ends slidably support 30 top bottom of arm
It is all connected with second pulley 31, bottom end second pulley 31 is connect by third sliding slot 25 with lifting platform 4, and top passes through second pulley 31
It is connect with pallet 5,16 bottom end of the second hydraulic stem is connect with the 4th revolute pair 27, and top is connect with second cross beam 7.
The adjustable connection board 8 includes left plate 32, right side plate 33, screw rod 34, nut 35, left plate 33, right side plate
33 are connected by screw rod 34, and nut 35 is fixed among screw rod 34, and rotating nut 35 drives screw rod 34 to rotate, and realize left plate
32,33 spacing regulatory function of right side plate.
The control module 9 includes PCB control panel, and back is equipped with the second hook 37PCB control panel and is connected with power switch
38, emergency stop/reset button 39, lower layer's rising button 40, lower layer's declines button 41, upper layer rising button 42, upper layer declines button
43, control module 9 is connect with hydraulic system.
The invention discloses a kind of working methods of lifting machine with double-layer lifting function, comprising the following steps:
1) driving automobile is stopped on lifting platform 3, is closed power switch 25；
2) Continued depression lower layer rising button 27, the operation of 6 drive hydraulic system principle of control module, motor 7 drive hydraulic pump 8
Operating, hydraulic pump 8 extrude hydraulic oil in first hydraulic cylinder 10, and hydraulic oil drives the first hydraulic stem 11 to rise, and then lifting platform 3
Rise；
3) lifting platform 3 rises to extreme position, if automobile height still needs to be promoted or need to overhaul tire, Continued depression upper layer
Rising button 29, control module 6 control reversal valve 33 and commutate, and motor 7 drives hydraulic pump 8 to operate, and hydraulic pump 8 is hydraulic by second
Hydraulic oil extrudes in cylinder 31, and hydraulic oil drives the second hydraulic stem 32 to rise, and then pallet 34 rises；
4) after automobile inspection, Continued depression upper layer declines button 30, motor 7 drives hydraulic pump 8 to operate, hydraulic pump
8 make 31 pressure release of second hydraulic cylinder, and hydraulic oil is back to second hydraulic cylinder 31, and pallet 34 declines under the effect of gravity；
5) Continued depression lower layer declines button 28, control module 6 control reversal valve 33 and back towards, and motor 7 drives hydraulic pump 8
Operating, hydraulic pump 8 make 10 pressure release of first hydraulic cylinder, and hydraulic oil is back to first hydraulic cylinder 10, under the effect of gravity under lifting platform 3
Drop；
6) driving automobile leaves, disconnecting power switch 25.
The above is only a preferred embodiment of the present invention, it should be noted that for those skilled in the art
For, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as guarantor of the invention
Protect range.
Claims (1)
1. a kind of working method of the lifting machine with double-layer lifting function, it is characterised in that: wherein have double-layer lifting function
Lifting machine include hydraulic system, one group of pedestal (1), one group of first scissor jack (2), one group of second scissor jack (3),
One group of lifting platform (4), one group of pallet (5), one group of first crossbeam (6), one group of second cross beam (7), one group of adjustable connection board
(8), control module (9), wherein the first scissor jack (2) lower part is connect with pedestal (1), top is connect with lifting platform (4), in
Between connect with first crossbeam (6)；Second scissor jack (3) lower part is connect with lifting platform (4), and top is connect with pallet (5), in
Between connect with second cross beam (7)；Adjustable connection board (8) is connect with pedestal (1)；The hydraulic system includes pipeline, motor
(10), hydraulic pump (11), reversal valve (12), one group of first hydraulic cylinder (13), one group of second hydraulic cylinder (14), one group first hydraulic
Bar (15), one group of second hydraulic stem (16), hydraulic oil, wherein motor (10) is connect with hydraulic pump (11), and hydraulic pump (11) is logical
Cross pipeline, reversal valve (12) is connect with first hydraulic cylinder (13), first hydraulic cylinder (13) is connect with the first hydraulic stem (15)；It is hydraulic
Pump (11) is connect by pipeline, reversal valve (12) with second hydraulic cylinder (14), second hydraulic cylinder (14) and the second hydraulic stem (16)
Connection；The pedestal (1) includes first sliding groove (17), the first revolute pair (18), the second revolute pair (19), supporting element (20)；Institute
Stating the first scissor jack (2) includes one group of first single-ended fixed support arm (21), and one group of first both ends slidably supports arm (22),
First single-ended fixed support arm (21) lower end connects first pulley (23) by the first revolute pair (18) connection pedestal (1), top,
First both ends sliding support arm (22) top bottom is all connected with first pulley (23), and bottom end passes through first pulley (23) and first sliding groove
(17) it connects, the first hydraulic stem (15) bottom end is connect with the second revolute pair (19), and top is connect with first crossbeam (6)；The liter
It drops platform (4) bottom and is equipped with second sliding slot (24), the first single-ended fixed support arm (21) passes through first pulley (23) and second sliding slot
(24) it connects, the first both ends sliding support arm (22) top is connect by first pulley (23) with second sliding slot (24), lifting platform
(4) top is equipped with third sliding slot (25), third revolute pair (26), the 4th revolute pair (27), is additionally provided with through-hole among lifting platform (4)
(28), side is equipped with the first hook (36)；Second scissor jack (3) includes one group of second single-ended fixed support arm
(29), one group of second both ends sliding support arm (30), the second single-ended fixed support arm (29) lower end pass through third revolute pair (26)
It connects lifting platform (4), top connects second pulley (31)；Second single-ended fixed support arm (29) top passes through second pulley (31)
It is connect with pallet (5), the second both ends sliding support arm (30) top bottom is all connected with second pulley (31), bottom end second pulley (31)
It is connect by third sliding slot (25) with lifting platform (4), top is connect by second pulley (31) with pallet (5), the second hydraulic stem
(16) bottom end is connect with the 4th revolute pair (27), and top is connect with second cross beam (7)；The adjustable connection board (8) includes a left side
Side plate (32), right side plate (33), screw rod (34), nut (35), left plate (33), right side plate (33) are connected by screw rod (34)；
The control module (9) includes PCB control panel, and back is equipped with second hook (37) PCB control panel and is connected with power switch (38),
Emergency stop/reset button (39), lower layer's rising button (40), lower layer's declines button (41), upper layer rising button (42), upper layer decline
Button (43), control module (9) are connect with hydraulic system；
The following steps are included:
1) according to vehicle wheel base, rotating nut (35), adjusting adjustable connection board (8) makes one group of pedestal (1) spacing and automobile shafts
Away from matching；
2) driving automobile is stopped on lifting platform (4), is closed power switch (38)；
3) Continued depression lower layer rising button (40), the operation of control module (9) drive hydraulic system principle, motor (10) band hydrodynamic pressure
(11) operating is pumped, hydraulic pump (11) extrudes the interior hydraulic oil of first hydraulic cylinder (13), and hydraulic oil drives on the first hydraulic stem (15)
It rises, and then lifting platform (4) rises；
4) lifting platform (4) rises to extreme position, if automobile height still needs to be promoted or need to overhaul tire, on Continued depression upper layer
It rises button (42), control module (9) controls reversal valve (12) commutation, and motor (10) drives hydraulic pump (11) operating, hydraulic pump
(11) the interior hydraulic oil of second hydraulic cylinder (14) is extruded, hydraulic oil drives the second hydraulic stem (16) to rise, and then on pallet (5)
It rises；
5) after automobile inspection, Continued depression upper layer declines button (43), motor (10) drives hydraulic pump (11) operating, liquid
Press pump (11) makes second hydraulic cylinder (14) pressure release, and hydraulic oil is back to second hydraulic cylinder (14), under the effect of gravity under pallet (5)
Drop；
6) Continued depression lower layer declines button (41), control module (9) control reversal valve (12) back towards, motor (10) band hydrodynamic
Press pump (11) operating, hydraulic pump (11) make first hydraulic cylinder (13) pressure release, and hydraulic oil is back to first hydraulic cylinder (13), in gravity
Act on lower lifting platform (4) decline；
7) driving automobile leaves, disconnecting power switch (38).
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|---|---|---|---|
| CN201710511645.5A CN107352459B (en) | 2017-06-29 | 2017-06-29 | A kind of lifting machine and its working method with double-layer lifting function |
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|---|---|---|---|
| CN201710511645.5A CN107352459B (en) | 2017-06-29 | 2017-06-29 | A kind of lifting machine and its working method with double-layer lifting function |
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| CN107352459A CN107352459A (en) | 2017-11-17 |
| CN107352459B true CN107352459B (en) | 2019-06-04 |
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| CN108706509A (en) * | 2018-06-01 | 2018-10-26 | 俞乐 | A kind of auto repair lifting device |
| CN109019410B (en) * | 2018-09-21 | 2020-04-17 | 长春理工大学 | Lifting device with double-layer lifting function |
| CN109368543A (en) * | 2018-11-23 | 2019-02-22 | 东莞市华楠骏业机械制造有限公司 | Multipoint hydraulic lifting synchronous system |
| CN111689422A (en) * | 2020-06-02 | 2020-09-22 | 雷兴东 | Portable automatic machine of lifting of preventing soaking for passenger car |
| CN111807263B (en) * | 2020-06-19 | 2021-11-12 | 张家港市卓华金属科技有限公司 | Two-wheeled motorcycle type maintenance elevating gear |
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| US12084327B2 (en) * | 2021-07-16 | 2024-09-10 | Freedom Vehicle Lifts, Llc | Vehicle lift apparatus and method |
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| CN2327576Y (en) * | 1997-11-19 | 1999-07-07 | 巨铁机械工业有限公司 | Chassis Safety Jacking Device of Motorcycle Jacking Machine |
| CN102180145A (en) * | 2011-04-18 | 2011-09-14 | 北京邮电大学 | Battery change system of portable electric car and change method thereof |
| CN203461769U (en) * | 2013-08-13 | 2014-03-05 | 王福军 | Multifunctional scissor type lifting machine |
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2017
- 2017-06-29 CN CN201710511645.5A patent/CN107352459B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1291487B (en) * | 1966-09-26 | 1969-03-27 | Alois Dipl Ing | Lifting device in the manner of Nuremberg scissors |
| US3350065A (en) * | 1966-10-24 | 1967-10-31 | Standard Mfg Company Inc | Scissor-type linear actuator with high extension ratio and selectable extension rateand power requirement |
| CN2135563Y (en) * | 1992-09-12 | 1993-06-09 | 周发财 | Lifting device for locomotive workbench |
| CN2327576Y (en) * | 1997-11-19 | 1999-07-07 | 巨铁机械工业有限公司 | Chassis Safety Jacking Device of Motorcycle Jacking Machine |
| CN102180145A (en) * | 2011-04-18 | 2011-09-14 | 北京邮电大学 | Battery change system of portable electric car and change method thereof |
| CN203461769U (en) * | 2013-08-13 | 2014-03-05 | 王福军 | Multifunctional scissor type lifting machine |
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| Publication number | Publication date |
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| CN107352459A (en) | 2017-11-17 |
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