CN204924663U - Motor transmission test bench input shaft subassembly removes controlling means of hydro -cylinder - Google Patents
Motor transmission test bench input shaft subassembly removes controlling means of hydro -cylinder Download PDFInfo
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- CN204924663U CN204924663U CN201520678603.7U CN201520678603U CN204924663U CN 204924663 U CN204924663 U CN 204924663U CN 201520678603 U CN201520678603 U CN 201520678603U CN 204924663 U CN204924663 U CN 204924663U
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- 239000002828 fuel tank Substances 0.000 claims description 16
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- 230000005611 electricity Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 36
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- 230000002706 hydrostatic Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
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- 239000012530 fluid Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005094 computer simulation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000087 stabilizing Effects 0.000 description 1
Abstract
The utility model discloses a motor transmission test bench input shaft subassembly removes controlling means of hydro -cylinder, including computer control device, electromagnetism switching -over hydraulic control system and the AD sampling module and the DA control module that are connected with the computer control device, DA control module is connected with the solenoid valve electricity of each oil circuit of electromagnetism switching -over hydraulic control system, and the electromagnetism commutates hydraulic control system and includes electromagnetism commutate hydraulic control return circuit and oil feeding system. The utility model discloses regard as execute component with two effect single pole pneumatic cylinders, adopt electromagnetism switching -over hydraulic control, utilize AD sampling module to gather execute component's state information to the message routing that will gather carries out analysis processes for computer control device, computer control device to the received signal, then sends work order, directly quick, accurate, the displacement of control load steadily through DA control module to each solenoid valve.
Description
Technical field
The utility model relates to a kind of control device, and specifically a kind of control device of automobile gearbox testing table input shaft assembly Shift cylinder, belongs to cylinder control device technical field.
Background technology
The hydraulic industry of China starts from the 1950's, and Hydraulic Elements are applied to lathe and forging equipment at first.The sixties obtains larger development, has penetrated into each industrial sector, has obtained and generally apply in the industry such as automobile, lathe, engineering machinery, metallurgy, agricultural machinery, boats and ships, aviation, oil and military project.Current hydraulic technique just towards high pressure, at a high speed, high-power, high-level efficiency, low noise, etc. the future developments such as energy consumption, long-life, Highgrade integration.Meanwhile, the application of new element, system CAD, Computer Simulation and the work such as optimization, microcomputer control, also achieve remarkable achievement.Therefore, along with developing rapidly of science and technology, hydraulic technique also will further be developed, and the application in plant equipment will be more extensive.
At present, wheel box is large with its driving torque, and the advantages such as ratio of gear is fixed, compact conformation, one of crucial drive disk assembly having become automobile, its operability, gearing, the quality of security will directly have influence on the overall performance of automobile.Therefore, after wheel box general assembly completes, the comprehensive Performance Detection of system must be carried out to it, to ensure the inherent quality of every platform wheel box.And hydraulic transmission technology relies on its large power-mass ratio, fast response time, can realize stepless time adjustment and automatically control, has the advantages such as self-protection function; particularly with the combination of automatic control technology, micro-electronic sensor technology, infotech and computer technology; become the important foundation technology of modern industrialization, obtained a wide range of applications at national economy industry-by-industry.Compared with other transmission control technologys; hydraulic technique has that energy density is high, flexible configuration is convenient, speed adjustable range is large, stable working and rapidity good, be easy to control and overload protection, easily be automated integrate with mechanical-electrical-hydraulic integration, system manufacture and the multiple technical advantage significantly such as working service is convenient, thus become the mechanical basic fundamental of modernization and form and the basic fundamental key element of modern scientist engineering.Therefore, if hydraulic transmission technology and wheel box can be combined, the performance of wheel box greatly will be improved, but in actual implementation process, hydrostatic transmission to be not suitable for accurate transmission, transmission efficiency not high and influenced by environmental temperature.
Summary of the invention
For above-mentioned prior art Problems existing, the utility model provides a kind of control device of automobile gearbox testing table input shaft assembly Shift cylinder, using double acting single-rod cylinder as executive component, adopt electromagnetic switch hydrostatic control scheme, can fast, accurately, the displacement of stably control load, transmission is more accurate, and transmission efficiency is high.
To achieve these goals, the control device of a kind of automobile gearbox testing table input shaft assembly Shift cylinder that the utility model adopts, comprise Computer Control Unit, electromagnetic switch hydraulic control system and the AD sampling module be connected with Computer Control Unit and DA control module, DA control module is electrically connected with the solenoid valve of each oil circuit of electromagnetic switch hydraulic control system, and described electromagnetic switch hydraulic control system comprises electromagnetic switch hydraulic control circuit and oil supply system; Described electromagnetic switch hydraulic control circuit comprises the second retaining valve, solenoid directional control valve and double acting single-rod cylinder, two delivery outlets of solenoid directional control valve and the rod chamber of double acting single-rod cylinder and rodless cavity is corresponding connects, one end of the second retaining valve is connected with the pressure port of solenoid directional control valve; Described oil supply system comprises fuel tank, oil supply loop and oil return circuit, and described oil supply loop comprises the first oil absorption filter, the first stop valve, variable output pump and the first retaining valve that connect successively, and variable output pump is connected with motor by shaft coupling; Described oil return circuit comprises the first surplus valve, hydrocooler and the return filter that connect successively; The other end of the second retaining valve is connected with the first retaining valve and the first surplus valve; Fuel tank is connected with the first oil absorption filter, return filter.
Further, also comprise the manual pump back-up system in parallel with oil supply loop, described manual pump back-up system comprises the 4th retaining valve, manual pump, the second stop valve and the second oil absorption filter that connect successively, and described manual pump is parallel with the second surplus valve, the 3rd stop valve; Second oil absorption filter is connected with fuel tank, and the 4th retaining valve is connected with the tie point of the second retaining valve and the first retaining valve.
Further, described oil supply loop is also provided with hydralic pressure gauge assembly and pressure measuring tie-in, hydralic pressure gauge assembly is connected with the tie point of pressure measuring tie-in with the second retaining valve and variable output pump.
Further, the accumulator branch road being connected to solenoid directional control valve pressure port place is also comprised.
Further, described double acting single-rod cylinder with/without being connected with the 3rd retaining valve and flow speed control valve in parallel between bar chamber and the delivery outlet of solenoid directional control valve.
Compared with prior art, the utility model is using double acting single-rod cylinder as executive component, adopt electromagnetic switch hydrostatic control, AD sampling module is utilized to gather the status information of executive component, and the information collected is sent to Computer Control Unit, Computer Control Unit carries out analyzing and processing to the received signal, then work order is sent by DA control module to each solenoid valve, can directly fast, accurately, the displacement of stably control load, achieve the combination of wheel box and hydraulic transmission technology, substantially increase the performance of wheel box.
Accompanying drawing explanation
Fig. 1 is computer control system block diagram of the present utility model;
Fig. 2 is total system principle schematic of the present utility model.
In figure: 1, liquid level gauge, 2, fuel tank, 3, air cleaner, 4, first oil absorption filter, 5, first stop valve, 6, variable output pump, 7, shaft coupling, 8, motor, 9, hydralic pressure gauge assembly, 10, pressure measuring tie-in, 11, first retaining valve, 12, surplus valve, 13, hydrocooler, 14, return filter, 15, second retaining valve, 16, accumulator branch road, 17, solenoid directional control valve, 18, 3rd retaining valve, 19, flow speed control valve, 20, double acting single-rod cylinder, 21, 4th retaining valve, 22, second surplus valve, 23, 3rd stop valve, 24, manual pump, 25, second stop valve, 26, second oil absorption filter.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of control device of automobile gearbox testing table input shaft assembly Shift cylinder, comprise Computer Control Unit, electromagnetic switch hydraulic control system and the AD sampling module be connected with Computer Control Unit and DA control module, DA control module is electrically connected with the solenoid valve of each oil circuit of electromagnetic switch hydraulic control system, and described electromagnetic switch hydraulic control system comprises electromagnetic switch hydraulic control circuit and oil supply system; Described electromagnetic switch hydraulic control circuit comprises the second retaining valve 15, solenoid directional control valve 17 and double acting single-rod cylinder 20, two delivery outlets of solenoid directional control valve 17 and the rod chamber of double acting single-rod cylinder 20 and rodless cavity is corresponding connects, one end of the second retaining valve 15 is connected with the pressure port of solenoid directional control valve 17; Described oil supply system comprises fuel tank 2, oil supply loop and oil return circuit, and described oil supply loop comprises the first oil absorption filter 4, first stop valve 5, variable output pump 6 and the first retaining valve 11 that connect successively, and variable output pump 6 is connected with motor 8 by shaft coupling 7; Described oil return circuit comprises the first surplus valve 12, hydrocooler 13 and the return filter 14 that connect successively; The other end of the second retaining valve 15 is connected with the first retaining valve 11 and the first surplus valve 12; First oil absorption filter 4, return filter 14 are all connected with fuel tank 2.
During work, motor 8 is first made to obtain electric, motor 8 drives variable output pump 6 to work by shaft coupling 7, make variable output pump 6 inhalant liquid force feed from fuel tank 2, hydraulic oil through the first oil absorption filter 4 and the first stop valve 5, then enters electromagnetic switch hydraulic control circuit and oil return circuit two hydraulic circuits through the first retaining valve 11; Wherein, by the first surplus valve 12 by unnecessary fluid after hydrocooler 13 is lowered the temperature, then enter fuel tank 2 through return filter 14.
Article two, during hydraulic circuit work, first close electromagnetic switch hydraulic control circuit and voltage stabilizing skimmer circuit, solenoid directional control valve 17 is obtained electric, electromagnetic switch hydraulic control circuit is made to carry out fuel feeding, input shaft assembly Shift cylinder piston is pushed ahead, while piston advances, AD sampling module gathers piston displacement information, and the information collected is sent to Computer Control Unit, Computer Control Unit carries out analyzing and processing to the received signal, then work order is sent by DA control module to each solenoid valve, as by under the effect of response signal and amplifier, the spool of solenoid directional control valve 17 is made to produce displacement, the valve position of solenoid directional control valve 17 changes, oil circuit direction changes thereupon.Wherein, AD sampling module connects the displacement transducer of electromagnetic switch hydraulic control system.It is using double acting single-rod cylinder as executive component, adopts electromagnetic switch hydrostatic control, can directly fast, accurately, the displacement of stably control load, achieve the combination of wheel box and hydraulic transmission technology, greatly improve the performance of wheel box.
As further improvement of the utility model, also can set up the manual pump back-up system in parallel with oil supply loop, described manual pump back-up system comprises the 4th retaining valve 21, manual pump 24, second stop valve 25 and the second oil absorption filter 26 that connect successively, and described manual pump 24 is parallel with the second surplus valve 22, the 3rd stop valve 23; Second oil absorption filter 26 is connected with fuel tank 2, and the 4th retaining valve 21 is connected with the tie point of the second retaining valve 15 and the first retaining valve 11.When occurring in device busy process having a power failure, manual pump 24 can be operated, fluid arrives manual pump 24 through the second oil absorption filter 26 and the second stop valve 25 from fuel tank 2, solenoid directional control valve 17 is entered successively again through the 4th retaining valve 21, second retaining valve 15, and through solenoid directional control valve 17 to double acting single-rod cylinder 20 fuel feeding, the piston rod of double acting single-rod cylinder 20 is moved left and right, guarantees the normal work of double acting single-rod cylinder 20 under power down mode.This manual pump back-up system plays effect for subsequent use, has ensured the stability of device further, avoids the situation occurring working or to cause other situations because of power failure to occur, the more reliable performance of whole device.
As further improvement of the utility model, described oil supply loop also can arrange hydralic pressure gauge assembly 9 and pressure measuring tie-in 10, hydralic pressure gauge assembly 9 is connected with the tie point of pressure measuring tie-in 10 with the second retaining valve 11 and variable output pump 6, for measurand pump 6 exit oil liquid pressure, stable case during system works can be got more information about.
As further improvement of the utility model, also can set up accumulator branch road 16 between solenoid directional control valve 17 pressure port and the second retaining valve 15, accumulator branch road 16 1 aspect can as auxiliary power source, on the other hand also for system pressurize, absorb vibration and impact, further increase the stability of system.
As further improvement of the utility model, also can at double acting single-rod cylinder 20 with/without being connected the 3rd in parallel retaining valve 18 and flow speed control valve 19 between bar chamber and the delivery outlet of solenoid directional control valve 17, adjustable speed, avoids velocity variations too fast, further increases the stability of system.
In device, the oil return opening of solenoid directional control valve 17 can directly be connected with fuel tank 2, as further improvement of the utility model, better can work in order to ensure each parts, also can set up other fuel tanks, and be connected with set up fuel tank by the oil return opening of solenoid directional control valve 17.
From said structure, the utility model, using double acting single-rod cylinder as executive component, adopts electromagnetic switch hydrostatic control, can directly fast, accurately, the displacement of stably control load, achieve the combination of wheel box and hydraulic transmission technology, substantially increase the performance of wheel box.
Be only that preferred implementation of the present utility model is described above, not design of the present utility model and scope limited.Under the prerequisite not departing from the utility model design concept, the various modification that this area ordinary person makes the technical solution of the utility model and improvement, all should drop into protection domain of the present utility model.
Claims (5)
1. the control device of an automobile gearbox testing table input shaft assembly Shift cylinder, it is characterized in that, comprise Computer Control Unit, electromagnetic switch hydraulic control system and the AD sampling module be connected with Computer Control Unit and DA control module, DA control module is electrically connected with the solenoid valve of each oil circuit of electromagnetic switch hydraulic control system, and described electromagnetic switch hydraulic control system comprises electromagnetic switch hydraulic control circuit and oil supply system;
Described electromagnetic switch hydraulic control circuit comprises the second retaining valve (15), solenoid directional control valve (17) and double acting single-rod cylinder (20), two delivery outlets of solenoid directional control valve (17) and the rod chamber of double acting single-rod cylinder (20) and rodless cavity is corresponding connects, one end of the second retaining valve (15) is connected with the pressure port of solenoid directional control valve (17);
Described oil supply system comprises fuel tank (2), oil supply loop and oil return circuit, described oil supply loop comprises the first oil absorption filter (4), the first stop valve (5), variable output pump (6) and the first retaining valve (11) that connect successively, and variable output pump (6) is connected with motor (8) by shaft coupling (7); Described oil return circuit comprises the first surplus valve (12), hydrocooler (13) and the return filter (14) that connect successively;
The other end of the second retaining valve (15) is connected with the first retaining valve (11) and the first surplus valve (12); Fuel tank (2) is connected with the first oil absorption filter (4), return filter (14).
2. the control device of a kind of automobile gearbox testing table input shaft assembly Shift cylinder according to claim 1, it is characterized in that, also comprise the manual pump back-up system in parallel with oil supply loop, described manual pump back-up system comprises the 4th retaining valve (21), manual pump (24), the second stop valve (25) and the second oil absorption filter (26) that connect successively, and described manual pump (24) is parallel with the second surplus valve (22), the 3rd stop valve (23); Second oil absorption filter (26) is connected with fuel tank (2), and the 4th retaining valve (21) is connected with the tie point of the second retaining valve (15) and the first retaining valve (11).
3. the control device of a kind of automobile gearbox testing table input shaft assembly Shift cylinder according to claim 1, it is characterized in that, described oil supply loop is also provided with hydralic pressure gauge assembly (9) and pressure measuring tie-in (10), hydralic pressure gauge assembly (9) is connected with the tie point of pressure measuring tie-in (10) with the second retaining valve (11) and variable output pump (6).
4. the control device of a kind of automobile gearbox testing table input shaft assembly Shift cylinder according to claim 1, is characterized in that, also comprise the accumulator branch road (16) being connected to solenoid directional control valve (17) pressure port place.
5. the control device of a kind of automobile gearbox testing table input shaft assembly Shift cylinder according to claim 1, it is characterized in that, described double acting single-rod cylinder (20) with/without being connected with the 3rd retaining valve (18) in parallel and flow speed control valve (19) between bar chamber and the delivery outlet of solenoid directional control valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520678603.7U CN204924663U (en) | 2015-09-02 | 2015-09-02 | Motor transmission test bench input shaft subassembly removes controlling means of hydro -cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520678603.7U CN204924663U (en) | 2015-09-02 | 2015-09-02 | Motor transmission test bench input shaft subassembly removes controlling means of hydro -cylinder |
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| CN204924663U true CN204924663U (en) | 2015-12-30 |
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|---|---|---|---|
| CN201520678603.7U Expired - Fee Related CN204924663U (en) | 2015-09-02 | 2015-09-02 | Motor transmission test bench input shaft subassembly removes controlling means of hydro -cylinder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605002A (en) * | 2016-03-18 | 2016-05-25 | 中冶赛迪工程技术股份有限公司 | Decompression-preventing hydraulic control loop and method thereof |
| CN105971946A (en) * | 2016-06-30 | 2016-09-28 | 张枫 | Hydraulic well lid capable of being opened and closed quickly through energy storage device |
| CN106475796A (en) * | 2016-12-27 | 2017-03-08 | 广东工业大学 | A kind of hydrostatic guide rail system and its fueller |
-
2015
- 2015-09-02 CN CN201520678603.7U patent/CN204924663U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605002A (en) * | 2016-03-18 | 2016-05-25 | 中冶赛迪工程技术股份有限公司 | Decompression-preventing hydraulic control loop and method thereof |
| CN105971946A (en) * | 2016-06-30 | 2016-09-28 | 张枫 | Hydraulic well lid capable of being opened and closed quickly through energy storage device |
| CN105971946B (en) * | 2016-06-30 | 2018-07-20 | 张枫 | A kind of hydraulic pressure well lid by the quick open and close of energy storage device |
| CN106475796A (en) * | 2016-12-27 | 2017-03-08 | 广东工业大学 | A kind of hydrostatic guide rail system and its fueller |
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