CN203796674U - Hydraulic device of comprehensive test bed for hydraulic systems of drainage pavement performance recovery equipment - Google Patents
Hydraulic device of comprehensive test bed for hydraulic systems of drainage pavement performance recovery equipment Download PDFInfo
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- CN203796674U CN203796674U CN201420128525.9U CN201420128525U CN203796674U CN 203796674 U CN203796674 U CN 203796674U CN 201420128525 U CN201420128525 U CN 201420128525U CN 203796674 U CN203796674 U CN 203796674U
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- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 238000011084 recovery Methods 0.000 title claims abstract description 6
- 239000003921 oil Substances 0.000 claims abstract description 60
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 33
- 239000012530 fluid Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract 2
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The utility model discloses a hydraulic device of a comprehensive test bed for hydraulic systems of drainage pavement performance recovery equipment. The hydraulic device is characterized in that a gear pump controls working states of a measured oil cylinder via an overflow valve, a measured cylinder control valve, an oil inlet test pressure gauge and an oil return test pressure gauge, a loading variable pump controls working states of a loading oil cylinder via a loading oil cylinder control valve, a measured hydraulic pump with a torque sensor controls the working states of the loading oil cylinder via a pressure gauge, a loading proportional overflow valve, a throttle valve, a flow meter, a stop valve, a hydraulic valve detection integrated control block and the loading oil cylinder control valve, a measured servo pump controls operation of a hydraulic motor, and the hydraulic valve detection integrated control block is connected with a hydraulic oil tank by an oil return filter, a radiator and an oil return throttle valve. The hydraulic device has the advantages of high test precision, automation degree and reliability and the like, and can be applied to hydraulic comprehensive test beds for road maintenance machinery.
Description
Technical field
The utility model belongs to device or the equipment technical field of highway maintenance machinery being carried out to combined test, is specifically related to highway maintenance machinery hydraulic test device.
Background technique
The fast development of highway in China cause, has promoted the development of highway maintenance machinery and the raising of technology.In order to improve operating efficiency and the construction environment adaptive capacity of highway maintenance machinery, highway maintenance equipment research staff constantly introduces and improves hydraulic pressure new and high technology, make highway maintenance equipment constantly progressive at the aspect such as operating efficiency, Function Extension, thereby improved greatly the reliability of equipment.Present highway road maintainance machinery adopts mechanical-electrical-hydraulic integration mostly, and the normal operation of hydraulic system is an outstanding feature of its good technique situation.In order to ensure that hydraulic element reach design objective, meet usage requirement, in the application of the multiple occasions such as the exploitation of product, factory inspection, after-sales service, need to be to the service check of hydraulic element.Development of Hydraulic Synthetic Test-bed is the key equipment that hydraulic system element is carried out to pressure test, testing property, leak check, plays an important role to improving equipment performance quality.
There is the problem of standardization, function singleness, the low low precision of generalization level in traditional test stand, and the multiple test stand difference operation trials of full test needs system is huge, complicated operation, and test speed is slow, and cost is high.
Designer of the present utility model is according to the technical requirements of the hydraulic system of many highway maintenance equipment, develop and developed a kind of novel road Maintenance Machinery comprehensive experiment table, shorten product development cycle, Improving The Quality of Products, the urgent technical problem solving of the current needs of this test stand is to provide a kind of hydraulic control device.
Summary of the invention
Technical problem to be solved in the utility model is to provide the hydraulic pressure installation of a kind of drainage road functional recovery Weapon Hydraulic System multi-function test stand that a kind of testing precision is high, automaticity is high, reliability is high, efficiency of construction is high.
The technological scheme that solves the problems of the technologies described above employing is: entrance and the hydraulic oil container of gear pump are connected, gear delivery side of pump is connected, is connected, is connected by relief valve and hydraulic oil container by the other end hydraulic fluid port of tested oil cylinder control valve and tested oil cylinder by one end hydraulic fluid port of tested oil cylinder control valve and tested oil cylinder, on the pipeline that tested oil cylinder control valve and tested oil cylinder one end hydraulic fluid port are connected, oil-feed test pressure table is installed, tested oil cylinder control valve and tested oil cylinder the other end hydraulic fluid port be connected pipeline on oil return test pressure table is installed.
Entrance and the hydraulic oil container of loading variable pump be connected, export by one end hydraulic fluid port of load cylinder control valve and load cylinder and be connected, the other end hydraulic fluid port of load cylinder is connected by load cylinder control valve and hydraulic oil container, and loading variable delivery side of pump and hydrovalve detect integrated controll block and be connected.
Entrance and the hydraulic oil container of tested liquid press pump are connected, tested liquid press delivery side of pump by stop valve and hydrovalve detect integrated controll block be connected, by throttle valve and flowmeter and hydraulic oil container is connected, be connected by loading proportional pressure control valve and hydraulic oil container, on pipeline between tested liquid press pump and stop valve, pressure gauge is installed, torque sensor is arranged on the left side of tested liquid press pump, and the outlet that hydrovalve detects integrated controll block is connected by meter out valve, radiator, return filter and hydraulic oil container.
Entrance and the hydraulic oil container of tested servopump is connected, the entrance of outlet and oil hydraulic motor is connected, and the outlet of oil hydraulic motor is connected by tested servopump and hydraulic oil container.
Brief description of the drawings
Fig. 1 is the utility model one embodiment's structural representation.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described, but the utility model is not limited to these embodiments.
Embodiment 1
In Fig. 1, the hydraulic pressure installation of the drainage road functional recovery Weapon Hydraulic System multi-function test stand of the present embodiment is by tested oil cylinder control valve 1, oil-feed test pressure table 2, tested oil cylinder control valve 3, oil return test pressure table 4, tested oil cylinder 5, load cylinder 6, load cylinder control valve 7, hydrovalve detects integrated controll block 8, oil hydraulic motor 9, tested servopump 10, flowmeter 11, throttle valve 12, load proportional pressure control valve 13, tested liquid press pump 14, torque sensor 15, pressure gauge 16, stop valve 17, return filter 18, radiator 19, meter out valve 20, loading variable pump 21, gear pump 22, relief valve 23, hydraulic oil container 24 connects formation.
The entrance of gear pump 22 is connected by pipeline and hydraulic oil container 24, the outlet of gear pump 22 is connected with one end hydraulic fluid port of tested oil cylinder 5 by the tested oil cylinder control valve 1 being arranged on pipeline, be connected with the other end hydraulic fluid port of tested oil cylinder 5 by the tested oil cylinder control valve 3 being arranged on pipeline, be connected with hydraulic oil container 24 by the relief valve 23 being arranged on pipeline, on the pipeline that tested oil cylinder control valve 1 and tested oil cylinder 5 one end hydraulic fluid ports are connected, oil-feed test pressure table 2 is installed, on the pipeline that tested oil cylinder control valve 3 and tested oil cylinder 5 the other end hydraulic fluid ports are connected, oil return test pressure table 4 is installed.High pressure oil one tunnel that gear pump 22 is exported enters tested oil cylinder 5 through oil cylinder control valve 1, and the piston rod of tested oil cylinder 5 moves from left to right, and the oil return of tested oil cylinder 5 is flowed back to hydraulic oil container 24 through tested oil cylinder control valve 3.When the piston rod of tested oil cylinder 5 moves from right to left, high pressure liquid force feed is the other end hydraulic fluid port oil-feed from tested oil cylinder 5 through tested oil cylinder control valve 3, and oil return is arrived fuel tank 24 through tested oil cylinder control valve 1.
The load cylinder control valve 7 that the entrance of loading variable pump 21 is connected, is exported by being arranged on pipeline by pipeline and hydraulic oil container 24 is connected with one end hydraulic fluid port of load cylinder 6, the other end hydraulic fluid port of load cylinder 6 is connected with hydraulic oil container 24 by the load cylinder control valve 7 being arranged on pipeline, and the outlet of loading variable pump 21 detects integrated controll block 8 by pipeline and hydrovalve and is connected.Loading variable pump 21, for load cylinder 6 provides pressure source, moves left and right by the piston rod of load cylinder control valve 7 drive load oil cylinders 6.
The entrance of tested liquid press pump 14 is connected by pipeline and hydraulic oil container 24, the outlet of tested liquid press pump 14 detects integrated controll block 8 and is connected, is connected, is connected with hydraulic oil container 24 by loading proportional pressure control valve 13 by throttle valve 12 and flowmeter 11 with hydraulic oil container 24 by being arranged on stop valve on pipeline 17 and hydrovalve, on pipeline between tested liquid press pump 14 and stop valve 17, pressure gauge 16 is installed, torque sensor 15 is arranged on the left side of tested liquid press pump 14, for measuring the moment of torsion of tested liquid press pump 14.The outlet that hydrovalve detects integrated controll block 8 is connected with hydraulic oil container 24 by the meter out valve 20, radiator 19, the return filter 18 that are arranged on pipeline.It is integrated by directional control valve, Flow valve, pressure valve, relief valve that the hydrovalve of the present embodiment detects integrated controll block 8
The entrance of tested servopump 10 is connected, is exported by the entrance of pipeline and oil hydraulic motor 9 and be connected by pipeline and hydraulic oil container 24, and the outlet of oil hydraulic motor 9 is connected with hydraulic oil container 24 by tested servopump 10.
Claims (1)
1. the hydraulic pressure installation of a drainage road functional recovery Weapon Hydraulic System multi-function test stand, it is characterized in that: the entrance of gear pump (22) and hydraulic oil container (24) are connected, the outlet of gear pump (22) is connected by tested oil cylinder control valve (1) and one end hydraulic fluid port of tested oil cylinder (5), be connected by tested oil cylinder control valve (3) and the other end hydraulic fluid port of tested oil cylinder (5), be connected by relief valve (23) and hydraulic oil container (24), on the pipeline that tested oil cylinder control valve (1) and tested oil cylinder (5) one end hydraulic fluid port are connected, oil-feed test pressure table (2) is installed, tested oil cylinder control valve (3) and tested oil cylinder (5) the other end hydraulic fluid port be connected pipeline on oil return test pressure table (4) is installed,
The entrance of loading variable pump (21) and hydraulic oil container (24) be connected, export by load cylinder control valve (7) and one end hydraulic fluid port of load cylinder (6) and be connected, the other end hydraulic fluid port of load cylinder (6) is connected by load cylinder control valve (7) and hydraulic oil container (24), and the outlet of loading variable pump (21) and hydrovalve detect integrated controll block (8) and be connected;
The entrance of tested liquid press pump (14) and hydraulic oil container (24) are connected, the outlet of tested liquid press pump (14) detects integrated controll block (8) by stop valve (17) and hydrovalve and is connected, be connected with hydraulic oil container (24) by throttle valve (12) and flowmeter (11), be connected with hydraulic oil container (24) by loading proportional pressure control valve (13), on pipeline between tested liquid press pump (14) and stop valve (17), pressure gauge (16) is installed, torque sensor (15) is arranged on the left side of tested liquid press pump (14), hydrovalve detects the outlet of integrated controll block (8) by meter out valve (20), radiator (19), return filter (18) is connected with hydraulic oil container (24),
The entrance of tested servopump (10) and hydraulic oil container (24) are connected, the entrance of outlet and oil hydraulic motor (9) is connected, and the outlet of oil hydraulic motor (9) is connected by tested servopump (10) and hydraulic oil container (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128525.9U CN203796674U (en) | 2014-03-21 | 2014-03-21 | Hydraulic device of comprehensive test bed for hydraulic systems of drainage pavement performance recovery equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128525.9U CN203796674U (en) | 2014-03-21 | 2014-03-21 | Hydraulic device of comprehensive test bed for hydraulic systems of drainage pavement performance recovery equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203796674U true CN203796674U (en) | 2014-08-27 |
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ID=51378888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420128525.9U Expired - Lifetime CN203796674U (en) | 2014-03-21 | 2014-03-21 | Hydraulic device of comprehensive test bed for hydraulic systems of drainage pavement performance recovery equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203796674U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762890A (en) * | 2017-01-23 | 2017-05-31 | 中南大学 | A kind of test bed hydraulic control system of multifunction hydraulic |
| CN107642518A (en) * | 2017-10-19 | 2018-01-30 | 无锡必克液压股份有限公司 | The flow regeneration test device and method of testing of a kind of engineering machinery operating cylinder |
| CN110285115A (en) * | 2019-06-28 | 2019-09-27 | 江苏阆达机械有限公司 | Hydraulic test bench |
-
2014
- 2014-03-21 CN CN201420128525.9U patent/CN203796674U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762890A (en) * | 2017-01-23 | 2017-05-31 | 中南大学 | A kind of test bed hydraulic control system of multifunction hydraulic |
| CN106762890B (en) * | 2017-01-23 | 2018-01-30 | 中南大学 | A kind of test bed hydraulic control system of multifunction hydraulic |
| CN107642518A (en) * | 2017-10-19 | 2018-01-30 | 无锡必克液压股份有限公司 | The flow regeneration test device and method of testing of a kind of engineering machinery operating cylinder |
| CN107642518B (en) * | 2017-10-19 | 2024-02-02 | 无锡必克液压股份有限公司 | Flow regeneration testing device and testing method for working cylinder of engineering machinery |
| CN110285115A (en) * | 2019-06-28 | 2019-09-27 | 江苏阆达机械有限公司 | Hydraulic test bench |
| CN110285115B (en) * | 2019-06-28 | 2024-05-28 | 江苏阆达机械有限公司 | Hydraulic test stand |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |