CN207297509U - A kind of test stand for hydraulic element - Google Patents
A kind of test stand for hydraulic element Download PDFInfo
- Publication number
- CN207297509U CN207297509U CN201721022139.1U CN201721022139U CN207297509U CN 207297509 U CN207297509 U CN 207297509U CN 201721022139 U CN201721022139 U CN 201721022139U CN 207297509 U CN207297509 U CN 207297509U
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- oil
- test
- fuel tank
- path block
- hydraulic
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Abstract
It the utility model is related to a kind of test stand for hydraulic element, it is characterised in that：Including fuel tank and the hydraulic test circuit being provided on fuel tank case lid；The hydraulic test circuit includes oil supply loop and test loop；The oil supply loop is connected with test loop；The test stand for hydraulic element designed in the utility model can test it after Hydraulic Elements maintenance, the first oil path block is provided with oil supply loop, overflow valve, pressure gauge and check valve are provided with the first oil path block, ensure that oil feeding line provides stable test hydraulic oil；Filter is provided with the first oil pipe for stretching into fuel tank, prevents whole oil circuit from being blocked because of impurity；Lifting lug slinging easy to whole case lid is provided with fuel tank case lid；The test oil inlet mouth of pipe uses support plate with test flowline mouth, easy to being connected for whole testing stand and Hydraulic Elements.
Description
Technical field
It the utility model is related to Hydraulic Elements testing field, more particularly to a kind of test stand for hydraulic element.
Background technology
Overflow valve, servoBcylinder, proportional servo valve etc. are the core Hydraulic Elements of engineering machinery, its performance characteristics directly determines
The performance of engineering machinery.Overflow after maintenance and maintenance high-quality overflow valve, servoBcylinder, proportional servo valve and inspection maintenance
Valve, servoBcylinder, the properties of proportional servo valve just seem extremely important, therefore can be to passing through there is an urgent need to a kind of experimental rig
Overflow valve, servoBcylinder, proportional servo valve that spare part re-assemblies are repaired and replaced, carries out running-in test and check test,
Whether the performance of product is qualified after being repaired with identification.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of test stand for hydraulic element, can solve general hydraulic pressure
The problem of whether running-in test and product of the element after maintenance and maintenance overhaul qualification.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of test stand for hydraulic element, its innovative point
It is：Including fuel tank and the hydraulic test circuit being provided on fuel tank case lid；The hydraulic test circuit includes oil supply loop
And test loop；The oil supply loop is connected with test loop；
The oil supply loop includes motor and vane pump；The motor is connected with vane pump by shaft coupling, described
One end of vane pump is connected in fuel tank by the first oil pipe；The other end of the vane pump is connected with one by the second oil pipe
One oil path block；First oil path block has two output ports, wherein an output port by the 3rd oil pipe be directly connected into
Enter fuel tank；Another output port is connected on test loop by the 4th oil pipe；
The test loop includes the second oil path block, the 3rd oil path block and closed assembly valve, second oil path block and the 3rd oil
Road block is arranged on closed assembly valve；The test oil inlet mouth of pipe is provided with second oil path block, is set on the 3rd oil path block
There is test flowline mouth；Oil inlet, oil spilling mouth and oil return opening are provided with the closed assembly valve；The oil inlet and the 4th oil pipe phase
Even, the oil spilling mouth is connected by the 5th oil pipe with fuel tank；The oil return opening is connected by the 6th oil pipe with fuel tank；The test
The oil inlet mouth of pipe is connected on the edge of fuel tank with test flowline mouth by support plate.
Further, the end set that first oil pipe is stretched into fuel tank has filter.
Further, pressure gauge, overflow valve and check valve are provided with first oil path block.
Further, lifting lug is provided with the fuel tank case lid, liquid-filled thermometer is provided with fuel tank, the bottom of fuel tank is also
It is provided with oil discharge outlet.
Further, second oil path block and the 3rd oil path block are both provided with electromagnetic switch in the joining place with closed assembly valve
Valve.
The utility model has the advantage of：
1）The test stand for hydraulic element designed in the utility model can test it after Hydraulic Elements maintenance, supply
The first oil path block is provided with oil return line, overflow valve, pressure gauge and check valve are provided with the first oil path block, ensure that fuel feeding
Oil circuit provides stable test hydraulic oil；Filter is provided with the first oil pipe for stretching into fuel tank, prevents whole oil circuit because miscellaneous
Matter blocks；Lifting lug slinging easy to whole case lid is provided with fuel tank case lid；The oil inlet mouth of pipe is tested to use with test flowline mouth
Support plate, easy to being connected for whole testing stand and Hydraulic Elements.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of test stand for hydraulic element top view of the utility model.
Fig. 2 is a kind of test stand for hydraulic element side view of the utility model.
Fig. 3 is a kind of another angle side view of test stand for hydraulic element of the utility model.
Embodiment
The following examples can make professional and technical personnel that the utility model be more fully understood, but therefore will not
The utility model is limited among the embodiment described scope.
A kind of test stand for hydraulic element as shown in Figure 1 to Figure 3, including fuel tank 1 and the liquid that is provided on 1 case lid of fuel tank
Press test loop 2；The hydraulic test circuit 2 includes oil supply loop 3 and test loop 4；The oil supply loop 3 and test loop
4 series connection.
Oil supply loop 3 includes motor 31 and vane pump 32；The motor 31 is connected with vane pump 32 by shaft coupling,
One end of the vane pump 32 is connected in fuel tank 1 by the first oil pipe 33；The other end of the vane pump 32 passes through the second oil
Pipe 34 is connected with one first oil path block 35；First oil path block 35 has two output ports, wherein an output port passes through
3rd oil pipe 36 is connection directly into fuel tank 1；Another output port is connected on test loop 4 by the 4th oil pipe 37.
Test loop 4 includes the second oil path block 41, the 3rd oil path block 42 and closed assembly valve 43, second oil path block 41 and
Three oil path blocks 42 are arranged on closed assembly valve 43；It is provided with second oil path block 41 and tests the oil inlet mouth of pipe 411, the described 3rd
Test flowline mouth 421 is provided with oil path block 42；Oil inlet 431, oil spilling mouth 432 and oil return are provided with the closed assembly valve 43
Mouth 433；The oil inlet 431 is connected with the 4th oil pipe 37, and the oil spilling mouth 432 is connected by the 5th oil pipe 44 with fuel tank 1；Institute
Oil return opening 433 is stated by the 6th oil pipe 45 with fuel tank 1 to be connected；The test oil inlet mouth of pipe 411 passes through with test flowline mouth 412
Support plate 46 is connected on the edge of fuel tank.
The end set that first oil pipe 33 stretches into fuel tank has filter 331.
Pressure gauge 351, overflow valve 352 and check valve 353 are provided with first oil path block 35.
Lifting lug 11 is provided with 1 case lid of fuel tank, liquid-filled thermometer 12 is provided with fuel tank 1, the bottom of fuel tank 1 is additionally provided with
Oil discharge outlet 13.
Second oil path block 41 and the 3rd oil path block 42 are both provided with solenoid directional control valve 47 in the joining place with closed assembly valve 43.
It should be understood by those skilled in the art that the present utility model is not limited to the above embodiments, above-described embodiment and
The principle for simply illustrating the utility model described in specification, on the premise of not departing from the spirit and scope of the utility model,
The utility model also has various changes and modifications, these changes and improvements both fall within claimed the scope of the utility model
It is interior.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (5)
- A kind of 1. test stand for hydraulic element, it is characterised in that：Returned including fuel tank and the hydraulic test being provided on fuel tank case lid Road；The hydraulic test circuit includes oil supply loop and test loop；The oil supply loop is connected with test loop；The oil supply loop includes motor and vane pump；The motor is connected with vane pump by shaft coupling, the blade One end of pump is connected in fuel tank by the first oil pipe；The other end of the vane pump is connected with one first oil by the second oil pipe Road block；First oil path block has two output ports, wherein an output port is connection directly into oil by the 3rd oil pipe Case；Another output port is connected on test loop by the 4th oil pipe；The test loop includes the second oil path block, the 3rd oil path block and closed assembly valve, second oil path block and the 3rd oil path block It is arranged on closed assembly valve；The test oil inlet mouth of pipe is provided with second oil path block, survey is provided with the 3rd oil path block Try out oil pipe mouth；Oil inlet, oil spilling mouth and oil return opening are provided with the closed assembly valve；The oil inlet is connected with the 4th oil pipe, The oil spilling mouth is connected by the 5th oil pipe with fuel tank；The oil return opening is connected by the 6th oil pipe with fuel tank；It is described test into Oil pipe mouth is connected on the edge of fuel tank with test flowline mouth by support plate.
- A kind of 2. test stand for hydraulic element according to claim 1, it is characterised in that：First oil pipe is stretched into fuel tank End set have filter.
- A kind of 3. test stand for hydraulic element according to claim 1, it is characterised in that：It is provided with first oil path block Pressure gauge, overflow valve and check valve.
- A kind of 4. test stand for hydraulic element according to claim 1, it is characterised in that：It is provided with and hangs on the fuel tank case lid Ear, is provided with liquid-filled thermometer on fuel tank, the bottom of fuel tank is additionally provided with oil discharge outlet.
- A kind of 5. test stand for hydraulic element according to claim 1, it is characterised in that：Second oil path block and the 3rd oil Road block is both provided with solenoid directional control valve in the joining place with closed assembly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721022139.1U CN207297509U (en) | 2017-08-16 | 2017-08-16 | A kind of test stand for hydraulic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721022139.1U CN207297509U (en) | 2017-08-16 | 2017-08-16 | A kind of test stand for hydraulic element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207297509U true CN207297509U (en) | 2018-05-01 |
Family
ID=62444335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721022139.1U Active CN207297509U (en) | 2017-08-16 | 2017-08-16 | A kind of test stand for hydraulic element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207297509U (en) |
-
2017
- 2017-08-16 CN CN201721022139.1U patent/CN207297509U/en active Active
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