CN207986587U - A kind of three road self-locking scissor platform power units - Google Patents
A kind of three road self-locking scissor platform power units Download PDFInfo
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- CN207986587U CN207986587U CN201721896150.0U CN201721896150U CN207986587U CN 207986587 U CN207986587 U CN 207986587U CN 201721896150 U CN201721896150 U CN 201721896150U CN 207986587 U CN207986587 U CN 207986587U
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Abstract
The utility model belongs to technical field of hydraulic equipment, more particularly, to a kind of three road self-locking scissor platform power units.The micromotor is connect with gear pump, the input end of gear pump is connect by strainer with fuel tank, the outlet end of the gear pump is connect with check valve one, the outlet end of check valve one is connect with 2/2-way two-way shut-off valve one, 2/2-way two-way shut-off valve two, 2/2-way two-way shut-off valve three and 2/2-way unidirectional stop valve respectively, wherein, 2/2-way unidirectional stop valve is connect by pressure compensator three with fuel tank.It adds shape check valve and pressure-compensated valve, it can be achieved that quickly rising and declining by installing several bidirectional non-return valves on filter block after bidirectional non-return valve, and the effect of decrease speed is controlled additionally by pressure-compensated valve.
Description
Technical field
The utility model belongs to technical field of hydraulic equipment, more particularly, to a kind of three road self-locking scissor platform power
Unit.
Background technology
Scissor-type lifting platform is mainly used for logistic industry, production line, basement between floor cargo lifting,
Handling, it can also be used to elevator stage, lifting operating platform etc..Product has stabilized structure, failure rate low, reliable for operation, safe high
Imitate, safeguard it is simple and convenient.
But traditional scissor-type lifting platform rate of climb is directly influenced by the delivery rate of gear pump, in addition, due to
It is slow that hydraulic oil pressure release causes scissor-type lifting platform to decline more slowly, influences installation operation.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of simple in structure, design conjunction is provided
Reason, self-locking scissor platform power unit in three roads easy to use, it by installing several bidirectional non-return valves on filter block,
And add shape check valve and pressure-compensated valve, it can be achieved that quickly rising and declining after bidirectional non-return valve, it is mended additionally by pressure
Repay the effect of valve control decrease speed.
To achieve the above object, the technical solution adopted in the utility model is：It include micromotor, gear pump, fuel tank,
Overflow valve, check valve one, 2/2-way two-way shut-off valve one, 2/2-way two-way shut-off valve two, pressure compensator one, check valve
Two, pressure compensator two, check valve three, 2/2-way two-way shut-off valve three, 2/2-way unidirectional stop valve, pressure compensator
Three；The micromotor is connect with gear pump, and the input end of gear pump is connect by strainer with fuel tank, the gear pump
Outlet end is connect with check valve one, and the outlet end of check valve one is two-way with 2/2-way two-way shut-off valve one, 2/2-way respectively
Shut-off valve two, 2/2-way two-way shut-off valve three and the connection of 2/2-way unidirectional stop valve, two-way section of the 2/2-way
Only the outlet end of valve one is connect with one P of hydraulic connecting rod；It is mended by pressure the outlet end of the 2/2-way two-way shut-off valve two
It repays device one to connect with two P1 of hydraulic connecting rod, and the both ends of pressure compensator one are connected with check valve two；The 2/2-way is double
It is connect to three outlet end of shut-off valve with three P2 of hydraulic connecting rod by pressure compensator two, and the both ends of pressure compensator two are connected with
Check valve three；2/2-way unidirectional stop valve is connect by pressure compensator three with fuel tank.
Preferably, the conducting direction of the check valve two and check valve three is led from the input end of pressure compensator
To the outlet end of pressure compensator.
Preferably, be attached by valve plate between the micromotor and fuel tank, and the side of valve plate is connected with
2/2-way two-way shut-off valve one, 2/2-way two-way shut-off valve two, 2/2-way two-way shut-off valve three, adjacent side is fixed
There is 2/2-way unidirectional stop valve.
With the above structure, the utility model has the beneficial effect that：A kind of three road self-locking described in the utility model is cut
Platform power unit is pitched, it adds shape unidirectional by installing several bidirectional non-return valves on filter block after bidirectional non-return valve
Valve and pressure-compensated valve are, it can be achieved that quickly rising and declining, additionally by the effect of pressure-compensated valve control decrease speed.This
Utility model has the advantages that simple in structure, setting is reasonable, low manufacture cost.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the scheme of installation in kind of the utility model.
Reference sign：
Micromotor 1, gear pump 2, fuel tank 3, valve plate 4, overflow valve 5, check valve 1,2/2-way two-way shut-off valve one
7,2/2-way two-way shut-off valve 28, pressure compensator 1, check valve 2 10, pressure compensator 2 11, check valve 3 12, two
Two pass two-way shut-off valves 3 13 of position, 2/2-way unidirectional stop valve 14, pressure compensator 3 15.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is further described.
Referring to as shown in Figure 1 and Figure 2, present embodiment adopts the following technical scheme that：It includes micromotor 1, gear
Pump 2, fuel tank 3, overflow valve 5, check valve 1,2/2-way two-way shut-off valve 1,2/2-way two-way shut-off valve 28, pressure
Compensator 1, check valve 2 10, pressure compensator 2 11, check valve 3 12,2/2-way two-way shut-off valve 3 13, two two
Logical unidirectional stop valve 14, pressure compensator 3 15；The micromotor 1 is connect with gear pump 2, and the input end of gear pump 2 is logical
Filter screen is connect with fuel tank 3, and the outlet end of the gear pump 2 is connect with check valve 1, the outlet end difference of check valve 1
With 2/2-way two-way shut-off valve 1,2/2-way two-way shut-off valve 28,2/2-way two-way shut-off valve 3 13 and two
Two logical unidirectional stop valves 14 connect, and the outlet end of the 2/2-way two-way shut-off valve 1 is connect with one P of hydraulic connecting rod；Institute
The outlet end for the 2/2-way two-way shut-off valve 28 stated is connect by pressure compensator 1 with two P1 of hydraulic connecting rod, and pressure is mended
The both ends for repaying device 1 are connected with check valve 2 10；3 13 outlet end of 2/2-way two-way shut-off valve passes through pressure compensation
Device 2 11 is connect with three P2 of hydraulic connecting rod, and the both ends of pressure compensator 2 11 are connected with check valve 3 12；2/2-way is unidirectional
Shut-off valve 14 is connect by pressure compensator 3 15 with fuel tank 3.
Wherein, the conducting direction of the check valve 2 10 and check valve 3 12 is led from the input end of pressure compensator
To the outlet end of pressure compensator；It is attached by valve plate 4 between the micromotor 1 and fuel tank 3, and the one of valve plate 4
Side is connected with 2/2-way two-way shut-off valve 1,2/2-way two-way shut-off valve 28,2/2-way two-way shut-off valve 3 13,
Adjacent side is fixed with 2/2-way unidirectional stop valve 14.
The working principle of this specific embodiment:：The hydraulic oil in fuel tank is led to micromotor 1, gear pump 2
Check valve 1 is crossed respectively to 2/2-way two-way shut-off valve 1,2/2-way two-way shut-off valve 28,2/2-way two-way stop
Valve 3 13 is conveyed, then during this, and the reflux that hydraulic oil is controlled by 2/2-way unidirectional stop valve 14 improves delivery pressure
Power realizes the rapid increase of hydraulic cylinder, in the pressure release stage, passes through 2/2-way unidirectional stop valve 14 and pressure compensator 3 15
Cooperation carry out rapid decrease, wherein setting pressure by adjusting pressure compensator 3 15 controls decrease speed.
With the above structure, present embodiment has the beneficial effect that：It is several two-way by being installed on filter block
Non-return valve, and after bidirectional non-return valve plus shape check valve and pressure-compensated valve, it can be achieved that quickly rise and decline, additionally by
Pressure-compensated valve controls the effect of decrease speed.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the right of the utility model.
Claims (3)
1. a kind of three road self-locking scissor platform power units, it is characterised in that：It includes micromotor (1), gear pump
(2), fuel tank (3), overflow valve (5), check valve one (6), 2/2-way two-way shut-off valve one (7), 2/2-way two-way shut-off valve
Two (8), pressure compensator one (9), check valve two (10), pressure compensator two (11), check valve three (12), 2/2-way are two-way
Shut-off valve three (13), 2/2-way unidirectional stop valve (14), pressure compensator three (15)；The micromotor (1) and gear
(2) connection is pumped, the input end of gear pump (2) is connect by strainer with fuel tank (3), the outlet end of the gear pump (2) and list
Connected to valve one (6), the outlet end of check valve one (6) respectively with two-way section of 2/2-way two-way shut-off valve one (7), 2/2-way
Only valve two (8), 2/2-way two-way shut-off valve three (13) and 2/2-way unidirectional stop valve (14) connection, described two two
The outlet end of pass two-way shut-off valve one (7) is connect with hydraulic connecting rod one (P)；The 2/2-way two-way shut-off valve two (8)
Outlet end is connect by pressure compensator one (9) with hydraulic connecting rod two (P1), and the both ends of pressure compensator one (9) are connected with list
To valve two (10)；2/2-way two-way shut-off valve three (13) outlet end passes through pressure compensator two (11) and hydraulic connecting rod
Three (P2) connections, and the both ends of pressure compensator two (11) are connected with check valve three (12)；2/2-way unidirectional stop valve (14)
It is connect with fuel tank (3) by pressure compensator three (15).
2. a kind of three roads self-locking scissor platform power unit according to claim 1, it is characterised in that：The list
It is going out from the input end pilot pressure compensator of pressure compensator to the conducting direction of valve two (10) and check valve three (12)
Mouth end.
3. a kind of three roads self-locking scissor platform power unit according to claim 1, it is characterised in that：Described is micro-
It is attached by valve plate (4) between type motor (1) and fuel tank (3), and the side of valve plate (4) is connected with two-way section of 2/2-way
Only valve one (7), 2/2-way two-way shut-off valve two (8), 2/2-way two-way shut-off valve three (13), adjacent side are fixed with two
Two logical unidirectional stop valves (14) of position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721896150.0U CN207986587U (en) | 2017-12-29 | 2017-12-29 | A kind of three road self-locking scissor platform power units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721896150.0U CN207986587U (en) | 2017-12-29 | 2017-12-29 | A kind of three road self-locking scissor platform power units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207986587U true CN207986587U (en) | 2018-10-19 |
Family
ID=63817384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721896150.0U Active CN207986587U (en) | 2017-12-29 | 2017-12-29 | A kind of three road self-locking scissor platform power units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207986587U (en) |
-
2017
- 2017-12-29 CN CN201721896150.0U patent/CN207986587U/en active Active
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