CN209025921U - A kind of hydraulic pump protector - Google Patents
A kind of hydraulic pump protector Download PDFInfo
- Publication number
- CN209025921U CN209025921U CN201821585112.8U CN201821585112U CN209025921U CN 209025921 U CN209025921 U CN 209025921U CN 201821585112 U CN201821585112 U CN 201821585112U CN 209025921 U CN209025921 U CN 209025921U
- Authority
- CN
- China
- Prior art keywords
- hydraulic pump
- hydraulic
- water tank
- fixed plate
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of hydraulic pump protectors, including hydraulic pump, fixed plate has been bolted in the left and right ends of the hydraulic pump, the right of the fixed plate is provided with hydraulic oil container, the input terminal of the hydraulic pump is provided with oil inlet pipe, the output end of the hydraulic pump is provided with flowline, bypass oil pipe is welded on the flowline, the upper end of the bypass oil pipe connects limited valve, the right end of the pressure limiting valve is connected with connected pipes, the bottom of the hydraulic pump is provided with water tank, the bottom of the water tank is provided with small pump, the output end of the small pump is connected with hose.The utility model passes through the hose that is provided with water tank He is wrapped on hydraulic pump surface, pump working makes the water in water tank in hose internal circulation flow, cooled down by quickly absorbing heat to hydraulic pump, reduce the pressure inside hydraulic pump, it is in hydraulic pump always under normal temperature to work, improves the working efficiency of hydraulic pump.
Description
Technical field
The utility model relates to hydraulic pump technical field, specially a kind of hydraulic pump protector.
Background technique
Hydraulic pump is the dynamical element of hydraulic system, is that oil is sucked from hydraulic oil container by engine or motor drive
Liquid forms pressure oil discharge, is sent to a kind of element of executive component.The function of hydraulic pump is that the mechanical energy of engine is converted into
The pressure energy of liquid, its working principle is that movement brings the variation of pump chamber, so that compression fluid makes fluid have pressure energy.
Existing hydraulic pump can generate a large amount of heat in its work process, when hydraulic pump internal temperature is excessively high, can lead
Its internal pressure is caused to increase, volumetric efficiency reduces, and operation can reduce the working efficiency of hydraulic pump in the high temperature environment for a long time, together
When oil circuit in the pressure of oil pipe persistently increased under the action of hydraulic pump, the pressure inside hydraulic pump can also continue to increase therewith,
In the case may there is a situation where hydraulic pumps to burst, to scene staff cause danger.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of hydraulic pump protector
Problem.
To achieve the above object, the utility model provides the following technical solutions: a kind of hydraulic pump protector, including hydraulic
Fixed plate has been bolted in pump, the left and right ends of the hydraulic pump, and the two sides up and down of the fixed plate are provided with groove,
Through-hole is provided on the surface of the fixed plate, the right of the fixed plate is provided with hydraulic oil container, the input of the hydraulic pump
End is provided with oil inlet pipe, and the oil inlet pipe passes through through-hole and is connected with hydraulic oil container, and the output end of the hydraulic pump is provided with out
Oil pipe is welded with bypass oil pipe on the flowline, is provided with control valve on the bypass oil pipe, the bypass oil pipe it is upper
End connection limited valve, the right end of the pressure limiting valve are connected with connected pipes, and the lower end of the connected pipes is connected with hydraulic oil
Case, the bottom of the hydraulic pump are provided with water tank, and the bottom of the water tank is provided with small pump, the output of the small pump
End is connected with hose.
Preferably, the connecting pin of the oil inlet pipe and hydraulic oil container is provided with filter screen.
Preferably, the material of the fixed plate is set as stainless steel, and the bottom of fixed plate is bolted on water tank
On.
Preferably, the pressure limiting valve is set as overflow pressure limiting valve.
Preferably, the hose is wrapped on the surface of hydraulic pump by groove.
Preferably, the other end of the hose is connected with water tank.
Compared with prior art, the utility model has the beneficial effects that
1. the utility model is made in water tank by the hose that is provided with water tank He is wrapped on hydraulic pump surface, pump working
Water in hose internal circulation flow, cooled down by quickly absorbing heat to hydraulic pump, reduce the pressure inside hydraulic pump
Power is in hydraulic pump always under normal temperature and works, improves the working efficiency of hydraulic pump；
2. the utility model bypasses oil pipe and is connected with pressure limiting valve by being provided with bypass oil pipe on flowline,
When hydraulic oil pump outlet line oil pressure is excessively high, flow back to oil liquid in hydraulic oil container from bypass oil pipe, to reduce hydraulic pump out
Pressure in oil pipe, so as to avoid the danger for when hypertonia in hydraulic system, causing hydraulic pump to burst；
3. the utility model can filter hydraulic oil by being provided with filter screen in the connecting pin of oil inlet pipe and hydraulic oil container
Interior impurity avoids impurity from entering in hydraulic pump and impacts to hydraulic pump, improves the working efficiency of hydraulic pump.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the fixed plate structure schematic diagram of the utility model.
In figure: 1, hydraulic pump, 2, oil inlet pipe, 3, filter screen, 4, hydraulic oil container, 5, small pump, 6, water tank, 7, fixation
Plate, 8, flowline, 9, control valve, 10, bypass oil pipe, 11, pressure limiting valve, 12, through-hole, 13, groove, 14, connected pipes, 15,
Hose.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of embodiment provided by the utility model referring to FIG. 1-2: a kind of hydraulic pump protector, including hydraulic pump
1, fixed plate 7 has been bolted in the left and right ends of hydraulic pump 1, and the material of fixed plate 7 is set as stainless steel, and fixed plate 7
Bottom be bolted on water tank 6, durable, thermal conductivity is good, stablize, the two sides up and down of fixed plate 7 are provided with
Groove 13 is provided with through-hole 12 on the surface of fixed plate 7, and the right of fixed plate 7 is provided with hydraulic oil container 4, the input of hydraulic pump 1
End is provided with oil inlet pipe 2, and oil inlet pipe 2 passes through through-hole 12 and is connected with hydraulic oil container 4, the connecting pin of oil inlet pipe 2 and hydraulic oil container 4
It is provided with filter screen 3, the impurity in hydraulic oil can be filtered, avoids impurity from entering in hydraulic pump 1 and hydraulic pump 1 is impacted,
The working efficiency of hydraulic pump 1 is improved, the output end of hydraulic pump 1 is provided with flowline 8, bypass oil pipe is welded on flowline 8
10, it bypasses and is provided with control valve 9 on oil pipe 10, the upper end of bypass oil pipe 10 connects limited valve 11, and pressure limiting valve 11 is set as
Overflow pressure limiting valve, can be set rated pressure, for guaranteeing that pressure suffered by 1 left port of pressure limiting valve is not more than its rated pressure,
The right end of pressure limiting valve 11 is connected with connected pipes 14, and the lower end of connected pipes 14 is connected with hydraulic oil container 4, the bottom of hydraulic pump 1
It is provided with water tank 6, the bottom of water tank 6 is provided with small pump 5, and the output end of small pump 5 is connected with hose 15, and hose 15 is logical
It crosses groove 13 to be wrapped on the surface of hydraulic pump 1, the water energy in hose 15 enough absorbs heat, cools down to reach to hydraulic pump 1
Effect, the other end of hose 15 is connected with water tank 6, makes the water in water tank 6 in 15 internal circulation flow of hose, improve cooling
Effect.
Working principle: when the utility model is used, needing to carry out simple structure understanding, hydraulic pump to the utility model
Hydraulic pump 1 is fixed on water tank 6 by the fixed plate 7 at 1 both ends, and the hose 15 being connected to water tank is wrapped on hydraulic pump 1, gives pressure limiting
Valve 11 sets a rated pressure value, when hydraulic pump 1 works, absorbs hydraulic oil out of hydraulic oil container 4 by oil inlet pipe 2, into
The connecting pin of oil pipe 2 and hydraulic oil container 4 is provided with filter screen 3, can filter the impurity in hydraulic oil, avoids impurity from entering hydraulic
Hydraulic pump 1 is impacted in pump 1, hydraulic pump 1 exports the hydraulic oil in it by flowline 8, meanwhile, small pump 5 is opened
Beginning work, by the water input hose 15 of water tank 6, water circulates between water tank 6 and hose 15, absorbs the heat of hydraulic pump 1,
So that hydraulic pump 1 is worked under normal temperature always, the working efficiency of hydraulic pump is improved, when the pressure of the left port of pressure limiting valve 11
When power is greater than the rated pressure value that pressure limiting valve 11 is set, pressure limiting valve 11 is opened, and the hydraulic oil in oil inlet pipe 2 is allow to pass through pressure limiting
Valve 11 flows back in hydraulic oil container 4, reduces the pressure in flowline 8, protects hydraulic pump 1, allows the normal work of hydraulic pump 1
Make.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of hydraulic pump protector, including hydraulic pump (1), it is characterised in that: the left and right ends of the hydraulic pump (1) pass through
It has been bolted fixed plate (7), the two sides up and down of the fixed plate (7) are provided with groove (13), the table of the fixed plate (7)
It is provided on face through-hole (12), the right of the fixed plate (7) is provided with hydraulic oil container (4), the input terminal of the hydraulic pump (1)
It is provided with oil inlet pipe (2), the oil inlet pipe (2) passes through through-hole (12) and is connected with hydraulic oil container (4), the hydraulic pump (1)
Output end is provided with flowline (8), and bypass oil pipe (10) is welded on the flowline (8), is set on the bypass oil pipe (10)
It is equipped with control valve (9), the upper end of bypass oil pipe (10) connects limited valve (11), and the right end of the pressure limiting valve (11) connects
It is connected to connected pipes (14), the lower end of the connected pipes (14) is connected with hydraulic oil container (4), the bottom of the hydraulic pump (1)
It is provided with water tank (6), the bottom of the water tank (6) is provided with small pump (5), the output end connection of the small pump (5)
There are hose (15).
2. a kind of hydraulic pump protector according to claim 1, it is characterised in that: the oil inlet pipe (2) and hydraulic oil
The connecting pin of case (4) is provided with filter screen (3).
3. a kind of hydraulic pump protector according to claim 1, it is characterised in that: the material of the fixed plate (7) is set
It is set to stainless steel, and the bottom of fixed plate (7) is bolted on water tank (6).
4. a kind of hydraulic pump protector according to claim 1, it is characterised in that: the pressure limiting valve (11) is set as excessive
Ductility limit pressure valve.
5. a kind of hydraulic pump protector according to claim 1, it is characterised in that: the hose (15) passes through groove
(13) it is wrapped on the surface of hydraulic pump (1).
6. a kind of hydraulic pump protector according to claim 1, it is characterised in that: the other end of the hose (15) with
Water tank (6) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821585112.8U CN209025921U (en) | 2018-09-27 | 2018-09-27 | A kind of hydraulic pump protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821585112.8U CN209025921U (en) | 2018-09-27 | 2018-09-27 | A kind of hydraulic pump protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209025921U true CN209025921U (en) | 2019-06-25 |
Family
ID=66905082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821585112.8U Expired - Fee Related CN209025921U (en) | 2018-09-27 | 2018-09-27 | A kind of hydraulic pump protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209025921U (en) |
-
2018
- 2018-09-27 CN CN201821585112.8U patent/CN209025921U/en not_active Expired - Fee Related
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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: 20190625 Termination date: 20210927 |