CN206842965U - A kind of four-column type lifting machine hydraulic locking apparatus - Google Patents
A kind of four-column type lifting machine hydraulic locking apparatus Download PDFInfo
- Publication number
- CN206842965U CN206842965U CN201720586696.XU CN201720586696U CN206842965U CN 206842965 U CN206842965 U CN 206842965U CN 201720586696 U CN201720586696 U CN 201720586696U CN 206842965 U CN206842965 U CN 206842965U
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- Prior art keywords
- hydraulic cylinder
- ratchet
- valve
- hydraulic
- support
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 239000002828 fuel tank Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000008602 contraction Effects 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of four-column type lifting machine hydraulic locking apparatus, including：Supporting mechanism, drive mechanism, ratchet, Driven by Hydraulic Cylinder device, the ratchet is arranged on crossbeam both ends bottom by pawl base, pass through the support square hole on column, realize the locking of lifting machine with loosening, the column includes multiple support square holes, ensures that lifting machine can lock in multiple positions, locked hydraulic cylinder uses single-action hydraulic cylinder, the drive mechanism drives steel wire rope to realize the contraction of the ratchet, and the ratchet and the locked hydraulic cylinder all automatically reset under the action of the spring.The utility model uses hydraulic drive, and the locked hydraulic cylinder shares same hydraulic pump with lifting hydraulic cylinder, without separately adding electrical control, only needs the opening and closing of controlling pump to achieve that the locking of device and loosen, and simple and reliable for structure, security performance is high.
Description
Technical field
It the utility model is related to a kind of locking device, and in particular to a kind of four-column type lifting machine hydraulic locking apparatus.
Background technology
The special-purpose machinery act that four-column type car lift is a kind of large-tonnage automobile or lorry repairing and keeping unit is commonly used
Equipment is risen, its locking device needs worker's manual unlocking mostly, a small number of then control locking device using calutron；Artificial hand
Dynamic unblock operation is more complicated, security incident also easily occurs, and just needs to install extra electrical control dress additional using calutron
Put so that whole retraction apparatus structure is complicated, and cost is higher.
Therefore a kind of locking device rational in infrastructure, easy to operate is designed, realizes auto lock and loosen, in case worker forgets
Note or operation error locking device and there is accident, to improve locking security, improve operating efficiency it is necessary.
The content of the invention
The purpose of this utility model is to provide a kind of four-column type lifting machine hydraulic locking apparatus, and the device utilizes hydraulic pump
Open and close to realize the locking of locking device and loosen, without manually locking control.
To reach above-mentioned purpose, concrete technical scheme is used by the utility model：
A kind of four-column type lifting machine hydraulic locking apparatus, including supporting mechanism, be arranged on supporting mechanism drive mechanism,
The ratchet and Driven by Hydraulic Cylinder device being arranged on supporting mechanism；The supporting mechanism is set including four parallel and perpendicular to ground
Put and form the support post of stable rectangular parallelepiped structure, be arranged between support post and in 2, the crossbeam of parallel relation, position
Hydraulic cylinder leg among crossbeam bottom, the pulley support being fixed on the hydraulic cylinder leg；The drive mechanism includes
The hydraulic cylinder leg, and the locked hydraulic cylinder being installed in the Driven by Hydraulic Cylinder device on the hydraulic cylinder leg, with this
T-bar of the piston rod of locked hydraulic cylinder to be threadedly coupled, the fixed pulley being fixed on the pulley support, is connected to the T
Shape bar top and the steel wire rope of the fixed pulley；The ratchet includes ratchet front end, pawl axis, is placed on the pawl axis
Spring and pawl extremity, and be arranged in crossbeam both ends bottom ratchet bearing.
Further, the Driven by Hydraulic Cylinder device includes fuel tank, hydraulic pump, overflow valve, check valve, 3-position 4-way electromagnetism
Reversal valve, two position, three-way electromagnetic change valve, one-way throttle valve, hydraulic control one-way valve, locked hydraulic cylinder, lifting hydraulic cylinder, the oil
Case is connected by pipeline with the hydraulic pump, and the hydraulic pump is connected by pipeline with the three-position four-way electromagnetic directional valve, institute
Three-position four-way electromagnetic directional valve is stated by pipeline with the choke valve and the lifting hydraulic cylinder to be connected, the one-way throttle valve with
The hydraulic control one-way valve, the hydraulic pump and the 3-position 4-way electromagnetic switch are installed on the pipeline between the lifting hydraulic cylinder
The check valve is installed on the main line between valve, connects the two position, three-way electromagnetic change valve on bye-pass, described two three
Electric change valve is connected with the locked hydraulic cylinder, on the pipeline being connected between the hydraulic pump and the fuel tank described in installation
Overflow valve.
Further, drive mechanism is installed respectively among the crossbeam bottom, in the drive mechanism, the T-bar
Top fix one end of the steel wire rope, the other end of the steel wire rope connects around the fixed pulley and the pawl extremity
Connect, the steel wire rope uses in pairs with the fixed pulley.
Further, one block of vertical steel plate is installed in the support post, a row support side is uniformly opened up on the steel plate
Hole, for supporting the ratchet front end.
Further, the steel plate has 10mm spacing with the support post.
Further, in the ratchet, the ratchet front end coordinates the support square hole to play locking with loosening, described
Ratchet automatically resets under the spring collective effect in the spring and the locked hydraulic cylinder.
The beneficial effects of the utility model are：Locking device provided by the utility model, is controlled using hydraulic transmission mode
The contraction of ratchet, realize that platform smoothly declines, ratchet can extend automatically under the action of the spring, conveniently realize vehicle hoisting rear platform
Fixation.Hydraulic drive causes the utility model, and stable working, reaction is fast, it is quick to start, and reasonable in design, control is simple,
Easy to operate, cost is low, and security performance is high.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is driving mechanism structure schematic diagram in the utility model；
Fig. 3 is the ratchet profile of locking device in the utility model；
Fig. 4 is Driven by Hydraulic Cylinder circuit theory figure in the utility model；
Fig. 5 is support post front view in the utility model；
Fig. 6 is support post top view in the utility model.
Wherein：1st, support post；2nd, ratchet；3rd, crossbeam；4th, pulley support；5th, hydraulic cylinder leg；6th, T-shaped part；7th, hydraulic pressure
Cylinder drive device；8th, fixed pulley；9th, steel wire rope；10th, steel plate；1001st, square hole is supported；201st, ratchet front end；202nd, spring；203、
Ratchet connecting shaft；204th, pawl extremity；701st, fuel tank；702nd, hydraulic pump；703rd, overflow valve；704th, check valve；705th, three four
Electric change valve；706th, two position, three-way electromagnetic change valve；707th, one-way throttle valve；708th, hydraulic control one-way valve；709th, liquid is locked
Cylinder pressure；710th, lifting hydraulic cylinder.
Embodiment
It is explained further and illustrates to of the present utility model below in conjunction with accompanying drawing.
As shown in figure 1, a kind of four-column type lifting machine hydraulic locking apparatus, including supporting mechanism, it is arranged on supporting mechanism
Drive mechanism, the ratchet 2 and Driven by Hydraulic Cylinder device 7 that are arranged on supporting mechanism；The supporting mechanism is parallel including four
And set perpendicular to ground and form the support post 1 of stable rectangular parallelepiped structure, it is arranged between support post 1 and in parallel
32, the crossbeam of relation, the hydraulic cylinder leg 5 among the bottom of crossbeam 3, the cunning being fixed on the hydraulic cylinder leg (5)
Wheeling support (4)；As shown in Fig. 2 the drive mechanism includes the hydraulic cylinder leg 5, and it is installed on the hydraulic cylinder leg 5
Locked hydraulic cylinder 709 in the Driven by Hydraulic Cylinder device 7, with T of the piston rod of the locked hydraulic cylinder 709 to be threadedly coupled
Shape bar 6, the fixed pulley 8 being fixed on the pulley support 4, it is connected to the steel wire on the top of T-bar 6 and the fixed pulley 8
Rope 9；As shown in figure 3, the ratchet 2 includes ratchet front end 201, pawl axis 203, the spring being placed on the pawl axis 203
202 and pawl extremity 204, and be arranged in the both ends bottom ratchet bearing 205 of crossbeam 3.
As shown in figure 4, the Driven by Hydraulic Cylinder device 7 includes fuel tank 701, hydraulic pump 702, overflow valve 703, check valve
704th, three-position four-way electromagnetic directional valve 705, two position, three-way electromagnetic change valve 706, one-way throttle valve 707, hydraulic control one-way valve 708,
Locked hydraulic cylinder 709, lifting hydraulic cylinder 710, the fuel tank 701 are connected by pipeline with the hydraulic pump 702, the hydraulic pump
702 are connected by pipeline with the three-position four-way electromagnetic directional valve 705, and the three-position four-way electromagnetic directional valve 705 passes through pipeline
It is connected with the choke valve 707 and the lifting hydraulic cylinder 710, the one-way throttle valve 707 and the lifting hydraulic cylinder 710
Between pipeline on the hydraulic control one-way valve 708 is installed, the hydraulic pump 702 and the three-position four-way electromagnetic directional valve 705 it
Between main line on the check valve 704 is installed, connect the two position, three-way electromagnetic change valve 706 on bye-pass, described two
Three-way solenoid valve 706 is connected with the locked hydraulic cylinder 709, is connected between the hydraulic pump 702 and the fuel tank 701
The overflow valve 703 is installed on pipeline.
Further, drive mechanism is installed respectively among the bottom of crossbeam 3, in the drive mechanism, the T-bar
One end of the steel wire rope 9 is fixed on 6 top, and the other end of the steel wire rope 9 is around the fixed pulley 8 and ratchet end
The connection of end 204, the steel wire rope 9 use in pairs with the fixed pulley 8.
As it can be seen in figures 5 and 6, installing one block of vertical steel plate 10 in the support post 1, one is uniformly opened up on the steel plate 10
Row's support square hole 1001, for supporting the ratchet front end 201；The steel plate 10 has 10mm spacing with the support post 1.
Further, in the ratchet 2, the ratchet front end 201 coordinates the support square hole 1001 to play locking with loosening
Effect, the ratchet 2 automatically reset under the spring collective effect in the spring 202 and the locked hydraulic cylinder 709.
Application method and comprise the following steps that：In use, the locking device need not configure electrical control, the locking liquid
Cylinder pressure 709 shares a hydraulic pump 702 with the lifting hydraulic cylinder 710, and the lifting hydraulic cylinder 710 drives the horizontal stroke
Beam 3 moves up and down, and the crossbeam 3 is provided with platform above, and by automobile parking on platform, the crossbeam 3 moves up and down realization
The lifting and decline of platform.During lifting platform, starting motor, the hydraulic pump 702 works, and magnetic valve YA1 is powered, and described three
Position 705 left position of four-way electromagnetic reversing valve is connected, and the lifting hydraulic cylinder 710 synchronously drags work by steel wire rope, assembly pulley
Platform rises, and depression stroke switch, system cut-off, completes lifting action.The ratchet 2 is stretched in the presence of the spring 202
Go out to the support square hole 1001, reach locking purpose.When platform declines, start motor, the hydraulic pump 702 works, first
Magnetic valve YA3 is first set to be powered, the locked hydraulic cylinder 709 is worked, and the ratchet 2 is withdrawn, and then magnetic valve YA2 is powered, described
705 right position of three-position four-way electromagnetic directional valve is connected, and the lifting hydraulic cylinder 710 drives workbench to decline, depression stroke switch,
System cut-off, it is stopped.If the position of ratchet 2 not it is described support square hole 1001 at, lifting machine be out of order decline when,
At most the i.e. reachable support square hole 1001 of slide downward a small distance, effect of the ratchet 2 in the spring 202
Lower auto-extending, reaches locking purpose.Spring of the ratchet 2 in the spring 202 and the locked hydraulic cylinder 709 is total to
Automatically reset under same-action；In addition, in order to preferably realize the function of this device, the stroke of the ratchet 2 is more than the locking
The stroke of hydraulic cylinder 709.
Claims (6)
1. a kind of four-column type lifting machine hydraulic locking apparatus, it is characterised in that the device includes supporting mechanism, is arranged at support machine
Drive mechanism on structure, the ratchet (2) and Driven by Hydraulic Cylinder device (7) being arranged on supporting mechanism；The supporting mechanism includes
Four support posts (1) that stable rectangular parallelepiped structure is set and formed parallel and perpendicular to ground, are arranged at support post (1)
Between and in parallel relation (3) 2, crossbeam, the hydraulic cylinder leg (5) among crossbeam (3) bottom, be fixed on the liquid
Pulley support (4) on cylinder pressure support (5)；The drive mechanism includes the hydraulic cylinder leg (5), and is installed on the hydraulic cylinder
The locked hydraulic cylinder (709) in the Driven by Hydraulic Cylinder device (7) on support (5), the piston with the locked hydraulic cylinder (709)
T-bar (6) of the bar to be threadedly coupled, the fixed pulley (8) being fixed on the pulley support (4), is connected to the T-bar (6)
Top and the steel wire rope (9) of the fixed pulley (8)；The ratchet (2) includes ratchet front end (201), pawl axis (203), is nested with
In spring (202) and pawl extremity (204) on the pawl axis (203), and it is arranged in the crossbeam (3) both ends bottom
Ratchet bearing (205).
2. locking device as claimed in claim 1, it is characterised in that the Driven by Hydraulic Cylinder device (7) includes fuel tank
(701), hydraulic pump (702), overflow valve (703), check valve (704), three-position four-way electromagnetic directional valve (705), two-position three way electricity
Magnetic reversal valve (706), one-way throttle valve (707), hydraulic control one-way valve (708), locked hydraulic cylinder (709), lifting hydraulic cylinder
(710), the fuel tank (701) is connected by pipeline with the hydraulic pump (702), and the hydraulic pump (702) passes through pipeline and institute
State three-position four-way electromagnetic directional valve (705) to be connected, the three-position four-way electromagnetic directional valve (705) passes through pipeline and the choke valve
(707) it is connected with the lifting hydraulic cylinder (710), between the one-way throttle valve (707) and the lifting hydraulic cylinder (710)
The hydraulic control one-way valve (708) is installed on pipeline, the hydraulic pump (702) and the three-position four-way electromagnetic directional valve (705) it
Between main line on the check valve (704) is installed, the two position, three-way electromagnetic change valve (706) is connected on bye-pass, it is described
Two position, three-way electromagnetic change valve (706) is connected with the locked hydraulic cylinder (709), the hydraulic pump (702) and the fuel tank
(701) overflow valve (703) is installed on the pipeline being connected between.
3. locking device as claimed in claim 1, it is characterised in that install driving machine respectively among crossbeam (3) bottom
Structure, in the drive mechanism, one end of the steel wire rope (9) is fixed on the top of the T-bar (6), the steel wire rope (9)
The other end is connected around the fixed pulley (8) with the pawl extremity (204), the steel wire rope (9) and the fixed pulley (8) into
To using.
4. locking device as claimed in claim 1, it is characterised in that one block of vertical steel plate of installation in the support post (1)
(10) row, is uniformly opened up on the steel plate (10) and supports square hole (1001), it is described for supporting the ratchet front end (201)
Ratchet front end (201) coordinates the support square hole (1001) to play locking with loosening.
5. locking device as claimed in claim 4, it is characterised in that the steel plate (10) has with the support post (1)
10mm spacing.
6. locking device as claimed in claim 1, it is characterised in that in the ratchet (2), the ratchet (2) is in the bullet
Automatically reset under spring collective effect in spring (202) and the locked hydraulic cylinder (709).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720586696.XU CN206842965U (en) | 2017-05-24 | 2017-05-24 | A kind of four-column type lifting machine hydraulic locking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720586696.XU CN206842965U (en) | 2017-05-24 | 2017-05-24 | A kind of four-column type lifting machine hydraulic locking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206842965U true CN206842965U (en) | 2018-01-05 |
Family
ID=60796886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720586696.XU Expired - Fee Related CN206842965U (en) | 2017-05-24 | 2017-05-24 | A kind of four-column type lifting machine hydraulic locking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206842965U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751035A (en) * | 2018-05-28 | 2018-11-06 | 合肥航机械科技股份有限公司 | A kind of rotatable four columns lifting machine of column |
| CN109626255A (en) * | 2019-01-29 | 2019-04-16 | 珠海云洲智能科技有限公司 | A kind of shipborne equipment lifting device |
-
2017
- 2017-05-24 CN CN201720586696.XU patent/CN206842965U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751035A (en) * | 2018-05-28 | 2018-11-06 | 合肥航机械科技股份有限公司 | A kind of rotatable four columns lifting machine of column |
| CN108751035B (en) * | 2018-05-28 | 2020-01-21 | 合肥一航机械科技股份有限公司 | Four-column lifter with rotatable stand column |
| CN109626255A (en) * | 2019-01-29 | 2019-04-16 | 珠海云洲智能科技有限公司 | A kind of shipborne equipment lifting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20180524 |