CN205559424U - Hydro -cylinder test platform - Google Patents
Hydro -cylinder test platform Download PDFInfo
- Publication number
- CN205559424U CN205559424U CN201620379531.0U CN201620379531U CN205559424U CN 205559424 U CN205559424 U CN 205559424U CN 201620379531 U CN201620379531 U CN 201620379531U CN 205559424 U CN205559424 U CN 205559424U
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- cylinder
- directional control
- solenoid directional
- valve
- control valve
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Abstract
The utility model discloses a hydro -cylinder test platform has the oil tank, try jar, load jar, draws pressure sensor, cooler, flowmeter, first solenoid valve, returns oil filter, and time oil filter, first solenoid valve, flowmeter and oil tank communicate in proper order, the one end of drawing pressure sensor with be connected by the examination jar, the other end is connected with the load jar, the both ends of cooler communicate with oil tank and first solenoid valve respectively. By between examination jar and the oil tank, be connected through reversing solenoid valve, choke valve between load jar and the oil tank. The utility model discloses an advantage: compare with the predelivery test platform, usable pressure sensor, draw pressure sensor, displacement sensor, proximity switch and thermocouple transmission signal to give computer, the switching -over of automatically controlled by a computer hydro -cylinder to to the minimum start -up pressure of pneumatic cylinder, draw pressure, stroke, speed, mechanical efficiency etc. To detect, and show corresponding performance data and curve on the interface, deposit the volume test result, and output print data and curve.
Description
Technical field
The utility model relates to hydraulic cylinder correlative technology field, is specifically related to a kind of testing of oil cylinder platform.
Background technology
Oil cylinder test bed is broadly divided into delivery test platform, type approval test platform, multi-stage oil cylinder testing stand at present.
1. delivery test platform main test test running, lowest starting pressure, pressure test, leak test,
Stroke is checked.
2. type approval test platform main test test running, lowest starting pressure, pressure test, endurancing,
The test of leak test, buffer test, load efficiency, hot test, stroke inspection.
Original oil cylinder delivery test platform, it is impossible to Integrated Checkout oil cylinder quality, in order to improve oil cylinder product further
Quality, special makees following oil cylinder type approval test platform, and its major parameter is as follows:
Operating pressure 31.5MPa；
Displacement transducer detection stroke 0-1000mm；
Two powers of motor are 22KW；
The metered flow of two plunger displacement pumps is 37.5L/min.
Original delivery test platform is primarily present following shortcoming
Can not accurately detect oil cylinder stroke；
Oil cylinder load efficiency can not be detected；
Buffer test can not be carried out；
Hot test can not be carried out；
Detection data are the most accurate.
Utility model content
The purpose of this utility model is to make up the deficiencies in the prior art, it is provided that the oil of a kind of brand new
Cylinder test platform, examines for indexs various to hydraulic cylinder product.
In order to reach the purpose of this utility model, technical scheme is as follows:
A kind of testing of oil cylinder platform, has fuel tank, it is characterised in that also includes tested cylinder, load cylinder, draw
Pressure sensor, cooler, flowmeter, the first magnetic valve, return filter, return filter, first
Magnetic valve, flowmeter and fuel tank are sequentially communicated；One end of pull pressure sensor is connected with tested cylinder, the other end
It is connected with load cylinder；The two ends of cooler connect with fuel tank and the first magnetic valve respectively；
Load cylinder and fuel tank between be provided with the second hydraulic pump, the first solenoid directional control valve, the second solenoid directional control valve and
3rd choke valve, the oil inlet end of the first solenoid directional control valve is connected with fuel tank by the second hydraulic pump, the second electromagnetism
One end of reversal valve connects with the first solenoid directional control valve, the other end connects with the rod chamber of load cylinder；Section three,
One end of stream valve connects with the first solenoid directional control valve, the other end connects with the rodless cavity of load cylinder；First electromagnetism
The oil outlet end of reversal valve connects with return filter；
The 3rd solenoid directional control valve, first throttle valve, second throttle and it is provided with between tested cylinder and fuel tank
One hydraulic pump, the oil inlet end of the 3rd solenoid directional control valve is connected with fuel tank by the first hydraulic pump, first throttle valve
One end connect with the 3rd solenoid directional control valve, the other end connects with the rodless cavity of tested cylinder；Second throttle
One end connects with the 3rd solenoid directional control valve, the other end connects with the rod chamber of tested cylinder；3rd solenoid directional control valve
Oil outlet end connect with return filter；
It is additionally provided with the first electromagnetic relief valve on the pipeline that first hydraulic pump and the 3rd solenoid directional control valve connect, the
It is additionally provided with the second electromagnetic relief valve on the pipeline that two hydraulic pumps and the first solenoid directional control valve connect.
Further, between tested cylinder and pull pressure sensor and between load cylinder and pull pressure sensor
It is each provided with a proximity switch.
Further, the oil inlet end of described 3rd solenoid directional control valve connects with oil outlet end.
Further, described load cylinder is provided with displacement transducer.
The utility model has the advantages that
Compared with delivery test platform, may utilize pressure sensor, pull pressure sensor, displacement transducer, connect
Nearly switch and thermocouple transmit a signal to computer, and computer controlled automatic oil cylinder commutates, and to hydraulic cylinder
Lowest starting pressure, pressure, stroke, speed, mechanical efficiency etc. detect, and show on interface
Corresponding performance data and curve, deposit volume test result, and export print data and curve.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model testing of oil cylinder platform.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is further described, but protection domain of the present utility model is not
It is limited only to embodiment.
Shown in Fig. 1, a kind of testing of oil cylinder platform, have fuel tank 22, tested cylinder 13, load cylinder 16,
Pull pressure sensor 15, cooler 20, flowmeter the 19, first magnetic valve 18, return filter 17.Oil
Case 22 is provided with thermometer 21, return filter the 17, first magnetic valve 18, flowmeter 19 and fuel tank 22
It is sequentially communicated.One end of pull pressure sensor 15 is connected with tested cylinder 13, the other end connects with load cylinder 16
Connect.The two ends of cooler 20 connect with fuel tank 22 and the first magnetic valve 18 respectively.
It is provided with the second hydraulic pump 3-2, the first solenoid directional control valve 9, second between load cylinder 16 and fuel tank 22
Solenoid directional control valve 11 and the 3rd choke valve 10-3, the oil inlet end of the first solenoid directional control valve 9 passes through the second hydraulic pressure
Pump 3-2 connects with fuel tank 22, one end of the second solenoid directional control valve 11 connects with the first solenoid directional control valve 9,
The other end connects with the rod chamber (chamber in left side in figure) of load cylinder 16.One end of 3rd choke valve 10-3
Connect with the first solenoid directional control valve 9, the other end connects with the rodless cavity (chamber on right side in figure) of load cylinder 16
Logical.The oil outlet end of the first solenoid directional control valve connects with return filter 17.Set on first solenoid directional control valve 9
The 5th electromagnet 1-5 and the 6th electromagnet 1-6, the 5th electromagnet 1-5 is had to control the first solenoid directional control valve 9
And the connected state between the second solenoid directional control valve 11, the 6th electromagnet 1-6 controls the first solenoid directional control valve 9
And the connected state between the 3rd choke valve 10-3.Second solenoid directional control valve 11 is provided with the 7th electromagnet
1-7, the 7th electromagnet 1-7 control the connected state between the second solenoid directional control valve 11 and load cylinder 16.
The pipeline connected between second hydraulic pump 3-2 and fuel tank 22 is provided with the second oil absorption filter 2-22 and second
Stop valve 1-22.
Be provided with between tested cylinder 13 and fuel tank 22 the 3rd solenoid directional control valve 8, first throttle valve 10-1, second
Choke valve 10-2 and the first hydraulic pump 3-1, the oil inlet end of the 3rd solenoid directional control valve 8 passes through the first hydraulic pump
3-1 connects with fuel tank 22, and one end of first throttle valve 10-1 connects with the 3rd solenoid directional control valve 8, another
The rodless cavity with tested cylinder 13 (chamber in left side in figure) is held to connect；One end of second throttle 10-2 and the
Three solenoid directional control valves 8 connect, the other end connects with the rod chamber (chamber on right side in figure) of tested cylinder 13.
The oil outlet end of the 3rd solenoid directional control valve 8 connects with return filter 17.First hydraulic pump 3-1 and fuel tank 22
Between connection pipeline be provided with the first oil absorption filter 2-11 and the first stop valve 1-11.3rd electromagnetism changes
Oil inlet end to valve 8 connects with oil outlet end.
It is additionally provided with the first electromagnetism overflow on the pipeline that first hydraulic pump 3-1 and the 3rd solenoid directional control valve 8 connect
Valve 4-1 and the first Pressure gauge 7-1, the first Pressure gauge 7-1 connects and has the first Pressure gauge controlling its switch
Switch 6-1.Equipped with controlling its first electromagnet 1-1 run on first electromagnetic relief valve 4-1, the first electricity
On magnetic overflow valve 4-1, connection has the first long-range overflow valve 5-1.
It is additionally provided with the second electromagnetism overflow on the pipeline that second hydraulic pump 3-2 and the first solenoid directional control valve 9 connect
Connect on valve 4-2 and second Pressure gauge 7-2 the second Pressure gauge 7-2 and have the second Pressure gauge controlling its switch to open
Close 6-2.Equipped with controlling its second electromagnet 1-2 run, the second electromagnetism on second electromagnetic relief valve 4-2
On overflow valve 4-2, connection has the second long-range overflow valve 5-2.
The pipeline that first throttle valve 10-1 connects with tested cylinder 13 is provided with the 3rd Pressure gauge 7-3, the 3rd pressure
Connect on power table 7-3 and have the 3rd pressure meter switch 6-3 controlling its switch.3rd choke valve 10-3 is with tested
The pipeline of cylinder 13 connection is provided with the 4th Pressure gauge 7-4, and on the 4th Pressure gauge 7-4, connection has its switch of control
The 4th pressure meter switch 6-4.
It is additionally provided with the first pressure sensor 12-1 on the pipeline that first throttle valve 10-1 connects with tested cylinder 13,
It is additionally provided with the second pressure sensor 12-2 on the pipeline that 3rd choke valve 10-3 connects with tested cylinder 13.
Between tested cylinder 13 and pull pressure sensor 15 and load cylinder 16 and pull pressure sensor 15
Between be each provided with a proximity switch 14, pull pressure sensor 15 side-to-side movement can be touched to during certain distance
Contact described proximity switch 14.
Time unloaded: start the first hydraulic pump 3-1, all electromagnet must not be in electricity condition, and fuel tank 22 exports
Fluid through the 3rd solenoid directional control valve 8, from fuel-displaced section of the 3rd solenoid directional control valve 8 flow through return oil filter 17,
First magnetic valve 18, cooler 20 back into fuel tank, system no-load running.
Under the second hydraulic pump 3-2 duty, the second electromagnet 1-2, the 6th electromagnet 1-6 obtain electric,
Post fuel tank output oil through first solenoid directional control valve 9 and the 3rd choke valve 10-3 enter load cylinder 16 without bar
Chamber, load cylinder (load hydraulic cylinder) stretch out, load cylinder 16 rod chamber oil through the second solenoid directional control valve 11,
First solenoid directional control valve 9, return oil filter the 17, first magnetic valve 18 and flowmeter 19 oil return box 22.The
Five electromagnet 1-5, the 6th electromagnet 1-6 obtain electric, and the oil of output is through the first solenoid directional control valve 9 and second
Solenoid directional control valve 11 enters the rod chamber of load cylinder 16, and load cylinder 16 is retracted, and loads cylinder 16 rodless cavity
Oil flow back to through the 3rd choke valve 10-3, the first solenoid directional control valve 9, return oil filter 17 and flowmeter 19
Fuel tank 22.
Under the first hydraulic pump 3-1 duty, the first electromagnet 1-1, the 3rd electromagnet 1-3 obtain electric,
The oil of output enters the rodless cavity of tested cylinder 13 through the 3rd solenoid directional control valve 8 and first throttle valve 10-1,
Tested hydraulic cylinder stretches out, and the oil of tested cylinder 13 rod chamber is through second throttle 10-2, the 3rd solenoid directional control valve
8, return oil filter the 17, first magnetic valve 18 and cooler 20 flow back to fuel tank 22.First electromagnet 1-1,
4th electromagnet 1-4 obtains electric, and the oil of output enters through the 3rd solenoid directional control valve 8 and second throttle 10-2
Entering the rod chamber of tested cylinder 13, tested hydraulic cylinder is retracted, and the oil of tested cylinder 13 rodless cavity is through first throttle valve
10-1, the 3rd solenoid directional control valve 8, return oil filter the 17, first magnetic valve 18 and cooler 20 flow back to oil
Case 22.
Last it is noted that above example only in order to the utility model is described and and unrestricted practicality new
Technical scheme described by type, therefore, although this specification is new to this practicality with reference to each above-mentioned embodiment
Type has been carried out detailed description, but, it will be understood by those within the art that, still can be right
The utility model is modified or equivalent, and all are without departing from the skill of spirit and scope of the present utility model
Art scheme and improvement thereof, it all should be contained in right of the present utility model.
Claims (3)
1. a testing of oil cylinder platform, has fuel tank (22), it is characterised in that also include tested cylinder (13),
Load cylinder (16), pull pressure sensor (15), cooler (20), flowmeter (19), the first magnetic valve
(18), return filter (17), return filter, the first magnetic valve, flowmeter and fuel tank are sequentially communicated；
One end of pull pressure sensor is connected with tested cylinder, the other end is connected with load cylinder；The two ends of cooler are respectively
Connect with fuel tank and the first magnetic valve；
The second hydraulic pump (3-2), the first solenoid directional control valve (9), the second electricity it is provided with between load cylinder and fuel tank
Magnetic reversal valve (11) and the 3rd choke valve (10-3), the oil inlet end of the first solenoid directional control valve passes through the second hydraulic pressure
Pump connects with fuel tank, and one end of the second solenoid directional control valve connects with the first solenoid directional control valve, the other end and load
The rod chamber connection of cylinder；One end of 3rd choke valve connects with the first solenoid directional control valve, the other end and load cylinder
Rodless cavity connection；The oil outlet end of the first solenoid directional control valve connects with return filter；
The 3rd solenoid directional control valve (8), first throttle valve (10-1), second section it is provided with between tested cylinder and fuel tank
Stream valve (10-2) and the first hydraulic pump (3-1), the oil inlet end of the 3rd solenoid directional control valve passes through the first hydraulic pump
Connecting with fuel tank, one end of first throttle valve connects with the 3rd solenoid directional control valve, the nothing of the other end and tested cylinder
Bar chamber connects；One end of second throttle connects with the 3rd solenoid directional control valve, the other end has bar with tested cylinder
Chamber connects；The oil outlet end of the 3rd solenoid directional control valve connects with return filter；
It is additionally provided with the first electromagnetic relief valve on the pipeline that first hydraulic pump and the 3rd solenoid directional control valve connect
(4-1) it is additionally provided with the second electromagnetic relief valve on the pipeline that, the second hydraulic pump and the first solenoid directional control valve connect
(4-2)。
Testing of oil cylinder platform the most according to claim 1, it is characterised in that at tested cylinder and pressure
It is each provided with a proximity switch (14) between sensor and between load cylinder and pull pressure sensor.
Testing of oil cylinder platform the most according to claim 2, it is characterised in that described 3rd electromagnetic switch
The oil inlet end of valve (8) connects with oil outlet end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620379531.0U CN205559424U (en) | 2016-04-28 | 2016-04-28 | Hydro -cylinder test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620379531.0U CN205559424U (en) | 2016-04-28 | 2016-04-28 | Hydro -cylinder test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205559424U true CN205559424U (en) | 2016-09-07 |
Family
ID=56805271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620379531.0U Expired - Fee Related CN205559424U (en) | 2016-04-28 | 2016-04-28 | Hydro -cylinder test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205559424U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762911A (en) * | 2017-01-06 | 2017-05-31 | 湖南睿创宇航科技有限公司 | A kind of hydraulic test integrated test set and method of testing |
| CN106949118A (en) * | 2017-05-16 | 2017-07-14 | 蚌埠液力机械有限公司 | A kind of hydraulic cylinder durability testing stand |
| CN109386515A (en) * | 2018-12-06 | 2019-02-26 | 哈工新欧(岳阳)测控装备有限公司 | Energy-saving large_sized hydraulic cylinder testing stand |
| CN109899341A (en) * | 2017-12-07 | 2019-06-18 | 喜开理株式会社 | The action detection device of fluid hydraulic actuator |
| CN110030232A (en) * | 2019-05-29 | 2019-07-19 | 太原科技大学 | A kind of Moveable horizontal cylinder bench |
| CN111536102A (en) * | 2020-05-11 | 2020-08-14 | 中航飞机起落架有限责任公司 | Hydraulic cylinder loading system and method for simulating counterweight mass force |
-
2016
- 2016-04-28 CN CN201620379531.0U patent/CN205559424U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762911A (en) * | 2017-01-06 | 2017-05-31 | 湖南睿创宇航科技有限公司 | A kind of hydraulic test integrated test set and method of testing |
| CN106949118A (en) * | 2017-05-16 | 2017-07-14 | 蚌埠液力机械有限公司 | A kind of hydraulic cylinder durability testing stand |
| CN106949118B (en) * | 2017-05-16 | 2018-05-08 | 蚌埠液力机械有限公司 | A kind of hydraulic cylinder durability testing stand |
| CN109899341A (en) * | 2017-12-07 | 2019-06-18 | 喜开理株式会社 | The action detection device of fluid hydraulic actuator |
| CN109899341B (en) * | 2017-12-07 | 2020-10-27 | 喜开理株式会社 | Motion detection device for fluid pressure actuator |
| CN109386515A (en) * | 2018-12-06 | 2019-02-26 | 哈工新欧(岳阳)测控装备有限公司 | Energy-saving large_sized hydraulic cylinder testing stand |
| CN109386515B (en) * | 2018-12-06 | 2024-03-19 | 哈工新欧(岳阳)测控装备有限公司 | Energy-saving large-sized hydraulic cylinder test bed |
| CN110030232A (en) * | 2019-05-29 | 2019-07-19 | 太原科技大学 | A kind of Moveable horizontal cylinder bench |
| CN111536102A (en) * | 2020-05-11 | 2020-08-14 | 中航飞机起落架有限责任公司 | Hydraulic cylinder loading system and method for simulating counterweight mass force |
| CN111536102B (en) * | 2020-05-11 | 2022-08-02 | 中航飞机起落架有限责任公司 | Hydraulic cylinder loading system and method for simulating counterweight mass force |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20210428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |