CN207795710U - A kind of four road self-locking scissor platform power units - Google Patents
A kind of four road self-locking scissor platform power units Download PDFInfo
- Publication number
- CN207795710U CN207795710U CN201721922919.1U CN201721922919U CN207795710U CN 207795710 U CN207795710 U CN 207795710U CN 201721922919 U CN201721922919 U CN 201721922919U CN 207795710 U CN207795710 U CN 207795710U
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- way
- check valve
- valve
- double check
- valves
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Abstract
The utility model belongs to hydraulic device technical field, more particularly, to a kind of four road self-locking scissor platform power units.The driving motor is connect with gear pump, the lower end of gear pump is connect by strainer with fuel tank, the outlet end of the gear pump is connect with overflow valve, check valve respectively, overflow valve is connect with fuel tank, the outlet end of check valve respectively with, 2/2-way double check valve one, 2/2-way double check valve two, 2/2-way double check valve three, 2/2-way double check valve four and 2/2-way check-valves connect, 2/2-way check-valves is connect by pressure compensator with fuel tank.It passes by the control port that the 4th tunnel is increased on the basis of trap valve plate by traditional three, has more and controls oil circuit all the way, saves equipment cost, meanwhile, the fast lifting of each road binders mouth is coordinated by 2/2-way check-valves and pressure compensator, more securely and reliably.
Description
Technical field
The utility model belongs to hydraulic device technical field, more particularly, to a kind of four 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 hydraulic power unit hydraulic fluid port is limited, can not meet the control of other hydraulic tests
System, needs to increase other power units, cost is higher, in addition, the extension and contraction control to oil cylinder is unstable.
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 four roads easy to use, it is passed by traditional three increases on the basis of trap valve plate
The control port on the 4th tunnel, has more and controls oil circuit all the way, saves equipment cost, meanwhile, pass through 2/2-way check-valves and pressure
Force compensating device coordinates the fast lifting of each road binders mouth, more securely and reliably.
To achieve the above object, the technical solution adopted in the utility model is：It include driving motor, gear pump, fuel tank,
Overflow valve, check valve, 2/2-way double check valve one, 2/2-way double check valve two, 2/2-way double check valve three,
2/2-way double check valve four, 2/2-way check-valves, pressure compensator；The driving motor is connect with gear pump, tooth
The lower end of wheel pump is connect by strainer with fuel tank, and the outlet end of the gear pump is connect with overflow valve, check valve respectively, overflow
Valve is connect with fuel tank, the outlet end of check valve respectively with, 2/2-way double check valve one, 2/2-way double check valve two,
2/2-way double check valve three, 2/2-way double check valve four and the connection of 2/2-way check-valves, 2/2-way non-return
Valve is connect by pressure compensator with fuel tank.
Preferably, the 2/2-way double check valve one, 2/2-way double check valve two, 2/2-way are two-way
Check-valves three, 2/2-way double check valve four outlet end be all connected with there are one oil cylinder.
Preferably, being provided with filtering valve plate between the driving motor and fuel tank, and filters and be connected with two on valve plate
Two logical check-valves of position, wherein the side for filtering valve plate is connected with 2/2-way double check valve one, two two by extending valve plate
Pass two-way check-valves two, 2/2-way double check valve three, 2/2-way double check valve four.
With the above structure, the utility model has the beneficial effect that：A kind of four road self-locking described in the utility model is cut
Platform power unit is pitched, it passes by the control port that the 4th tunnel is increased on the basis of trap valve plate by traditional three, has more one
Road controls oil circuit, saves equipment cost, meanwhile, the quick of each road binders mouth is coordinated by 2/2-way check-valves and pressure compensator
Lifting, more securely and reliably.The 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 physical structure diagram of the utility model.
Reference sign：
Driving motor 1, gear pump 2, fuel tank 3, overflow valve 5, check valve 6,2/2-way double check valve one 7, two two
Pass two-way check-valves 28,2/2-way double check valve 39,2/2-way double check valve 4 10,2/2-way check-valves
11, pressure compensator 12.
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 driving motor 1, gear
Pump 2, fuel tank 3, overflow valve 5, check valve 6,2/2-way double check valve 1,2/2-way double check valve 28, two two
Pass two-way check-valves 39,2/2-way double check valve 4 10,2/2-way check-valves 11, pressure compensator 12；The drive
Dynamic motor 1 is connect with gear pump 2, and the lower end of gear pump 2 is connect by strainer with fuel tank 3, the outlet end point of the gear pump 2
It is not connect with overflow valve 5, check valve 6, overflow valve 5 is connect with fuel tank 3, and the outlet end of check valve 6 is two-way with, 2/2-way respectively
Check-valves 1,2/2-way double check valve 28,2/2-way double check valve 39,2/2-way double check valve 4 10
And 2/2-way check-valves 11 connects, 2/2-way check-valves 11 is connect by pressure compensator 12 with fuel tank 3.
Wherein, the 2/2-way double check valve 1,2/2-way double check valve 28,2/2-way are two-way only
Return valve 39, the outlet end of 2/2-way double check valve 4 10 is all connected with there are one oil cylinder；The driving motor 1 and fuel tank 3
Between be provided with filtering valve plate 4, and filter valve plate 4 on be connected with 2/2-way check-valves 11, wherein filtering valve plate 4 side
It is two-way it to be connected with 2/2-way double check valve 1,2/2-way double check valve 28,2/2-way by extension valve plate 13
Check-valves 39,2/2-way double check valve 4 10.
The working principle of this specific embodiment:：It drives gear pump 2 to carry out hydraulic pressure conveying by driving motor 1, passes through list
To valve 6 respectively to four road 2/2-way double check valves 1,2/2-way double check valve 28,2/2-way double check valve
39,2/2-way double check valve 4 10 carries out hydraulic oil conveying, and at the same time, 2/2-way check-valves 11 is in closed
State avoids hydraulic oil reflux enhancing discharge pressure, improves lifting speed；The pressure release stage is being carried out, pressure compensator 12 can be passed through
The back-flow velocity of hydraulic oil is controlled, it is safer.
With the above structure, present embodiment has the beneficial effect that：The basis that it passes by trap valve plate by traditional three
On increase the control port on the 4th tunnel, have more and control oil circuit all the way, save equipment cost, meanwhile, pass through 2/2-way non-return
Valve and pressure compensator coordinate the fast lifting of each road binders mouth, more securely and reliably.
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 four road self-locking scissor platform power units, it is characterised in that：It includes driving motor (1), gear pump
(2), fuel tank (3), overflow valve (5), check valve (6), 2/2-way double check valve one (7), 2/2-way double check valve two
(8), 2/2-way double check valve three (9), 2/2-way double check valve four (10), 2/2-way check-valves (11), pressure
Compensator (12)；The driving motor (1) is connect with gear pump (2), and the lower end of gear pump (2) passes through strainer and fuel tank (3)
Connection, the outlet end of the gear pump (2) are connect with overflow valve (5), check valve (6) respectively, overflow valve (5) and fuel tank (3)
Connection, the outlet end of check valve (6) respectively with, 2/2-way double check valve one (7), 2/2-way double check valve two (8),
2/2-way double check valve three (9), 2/2-way double check valve four (10) and 2/2-way check-valves (11) connection, two
Two logical check-valves (11) of position are connect by pressure compensator (12) with fuel tank (3).
2. a kind of four roads self-locking scissor platform power unit according to claim 1, it is characterised in that：Described two
Two pass two-way check-valves one (7) of position, 2/2-way double check valve two (8), 2/2-way double check valve three (9), two two
The outlet end of pass two-way check-valves four (10) is all connected with there are one oil cylinder.
3. a kind of four roads self-locking scissor platform power unit according to claim 1, it is characterised in that：The drive
It is dynamic that filtering valve plate (4) is provided between motor (1) and fuel tank (3), and filter and be connected with 2/2-way check-valves on valve plate (4)
(11), wherein filtering valve plate (4) side by extend valve plate (13) be connected with 2/2-way double check valve one (7), two
Two pass two-way check-valves two (8), 2/2-way double check valve three (9), 2/2-way double check valve four (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721922919.1U CN207795710U (en) | 2017-12-29 | 2017-12-29 | A kind of four road self-locking scissor platform power units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721922919.1U CN207795710U (en) | 2017-12-29 | 2017-12-29 | A kind of four road self-locking scissor platform power units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795710U true CN207795710U (en) | 2018-08-31 |
Family
ID=63276838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721922919.1U Expired - Fee Related CN207795710U (en) | 2017-12-29 | 2017-12-29 | A kind of four road self-locking scissor platform power units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997944A (en) * | 2020-08-11 | 2020-11-27 | 广州皖安机电设备有限公司 | Hydraulic system for automobile lifter |
-
2017
- 2017-12-29 CN CN201721922919.1U patent/CN207795710U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997944A (en) * | 2020-08-11 | 2020-11-27 | 广州皖安机电设备有限公司 | Hydraulic system for automobile lifter |
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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 |
Granted publication date: 20180831 Termination date: 20211229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |