CN218381585U - Telescopic electrohydraulic servo valve testing device - Google Patents
Telescopic electrohydraulic servo valve testing device Download PDFInfo
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- CN218381585U CN218381585U CN202222462387.5U CN202222462387U CN218381585U CN 218381585 U CN218381585 U CN 218381585U CN 202222462387 U CN202222462387 U CN 202222462387U CN 218381585 U CN218381585 U CN 218381585U
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- servo motor
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Abstract
The utility model relates to a hydraulic test technical field, concretely relates to flexible electric hydraulic servo valve testing arrangement, its technical scheme is: including the testing arrangement body, testing arrangement body top is provided with the electro-hydraulic servo valve, and testing arrangement body top still is provided with the pneumatic cylinder, and four corners in testing arrangement body bottom all are provided with fortune horse wheel, and the inside pump station that is provided with of testing arrangement body still carries out the radiating heat dissipation mechanism of initiative including being used for to the pump station, heat dissipation mechanism includes lateral shifting subassembly, installation component, vertical upset subassembly and radiator unit, the beneficial effects of the utility model are that: the radiating effect of pump station is improved, effectively prevents that the higher condition of temperature from appearing in hydraulic oil, is favorable to going on and the precision of test result of the continuation of experiment, and the practicality is strong, and has the repacking nature of preferred, suitable popularization for the flexible electric hydraulic servo valve test experiment platform of conventionality.
Description
Technical Field
The utility model relates to a hydraulic test technical field, concretely relates to flexible electric hydraulic servo valve testing arrangement.
Background
The hydraulic technology plays more and more important roles in various machines, the composition and the function of a hydraulic system are increasingly complex, the requirement is higher and higher, the scientific research of the hydraulic industry and the rapid development of industrial production put forward new requirements and advanced testing technologies for a test bench so as to obtain higher test precision and realize measurement automation, most of the domestic test benches are general hydraulic equipment at present, and the universality is high.
The conventional universal hydraulic equipment is generally a telescopic electro-hydraulic servo valve test experiment table, and the test device has the following defects in the actual use process: the heat dissipation holes are formed in the device, heat dissipation is conducted in a natural heat dissipation mode, the heat dissipation effect is poor, the device is easily caused to be operated for many times, due to the fact that the temperature of hydraulic oil is too high, the phenomenon that the hydraulic cylinder is out of telescopic mode appears, subsequent experiments are affected, and the accuracy of test results is not facilitated.
Therefore, the invention is necessary to develop a testing device of the telescopic electro-hydraulic servo valve.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a flexible electro-hydraulic servo valve testing arrangement to solve conventional flexible electro-hydraulic servo valve test experiment platform and just set up the louvre on the device, then dispel the heat with natural radiating mode, the radiating effect is poor, leads to the device very easily after repetitious operations, because the hydraulic oil high temperature, the flexible malfunctioning phenomenon of pneumatic cylinder appears, not only influences subsequent experiment, is unfavorable for the problem of the precision of test result moreover.
In order to achieve the above object, the present invention provides the following technical solutions: the testing device comprises a testing device body, wherein the top of the testing device body is provided with an electro-hydraulic servo valve, the top of the testing device body is also provided with a hydraulic cylinder, four corners at the bottom of the testing device body are respectively provided with a lucky horse wheel, a pump station is arranged in the testing device body, and the testing device also comprises a heat dissipation mechanism for actively dissipating heat of the pump station;
the heat dissipation mechanism comprises a transverse moving assembly, a mounting assembly, a longitudinal overturning assembly and a heat dissipation assembly, wherein the transverse moving assembly is arranged at the top end inside the testing device body, the longitudinal overturning assembly is connected with the transverse moving assembly through the mounting assembly, and the heat dissipation assembly is arranged on the longitudinal overturning assembly.
Preferably, the transverse moving assembly comprises a moving base, the top of the moving base is transversely and fixedly installed at the top of the inner wall of the testing device body, a first servo motor is fixedly installed at one end of the moving base, an output shaft of the first servo motor horizontally penetrates through one end of the moving base, a lead screw is fixedly connected with an output shaft of the first servo motor, the lead screw is horizontally arranged inside the moving base, and one end, far away from the first servo motor, of the lead screw is rotatably connected to the side portion of the inner wall of the moving base.
Preferably, the surface of the lead screw is in threaded connection with a moving block, the bottom of the moving block is fixedly connected with a limiting sliding plate, a strip-shaped limiting hole is transversely formed in the bottom of the moving base, the bottom end of the limiting sliding plate vertically penetrates through the strip-shaped limiting hole, and the surface of the limiting sliding plate is attached to the wall of the strip-shaped limiting hole.
Preferably, the mounting assembly comprises a C-shaped mounting plate, the C-shaped mounting plate is horizontally arranged, the center of the top of the C-shaped mounting plate is fixedly connected to the bottom of the limiting sliding plate, and a through hole is formed in one end of the C-shaped mounting plate.
Preferably, the longitudinal overturning assembly comprises a second servo motor, the second servo motor is fixedly installed at one end of the C-shaped mounting plate, which is provided with the through hole, and an output shaft of the second servo motor horizontally penetrates through the through hole.
Preferably, the heat dissipation assembly comprises a heat dissipation fan, the heat dissipation fan is arranged below the C-shaped mounting plate, one end of the heat dissipation fan is fixedly connected with the output shaft of the second servo motor, and the other end of the heat dissipation fan is rotatably connected to the side portion of the C-shaped mounting plate.
Preferably, the front end of the testing device body is hinged with a door plate, a plurality of first heat dissipation holes are formed in the side portion of the testing device body, and a plurality of second heat dissipation holes are formed in the door plate.
The utility model has the advantages that: through the testing arrangement body that is equipped with, the electrohydraulic servo valve, the pneumatic cylinder, the fortune horse wheel, pump station and heat dissipation mechanism's cooperation is used, after the testing arrangement body is through test operation many times, after the test that stretches out and draws back is carried out to a plurality of electrohydraulic servo valves through the pneumatic cylinder promptly, when the hydraulic oil temperature in the pump station is higher, the steerable heat dissipation mechanism of technical staff in the field does work, make radiator unit carry out the initiative heat dissipation operation to the pump station, and radiator unit can lateral shifting and vertical upset, heat radiating area has effectively been increased, the radiating effect of pump station is greatly improved, prevent effectively that the higher condition of temperature from appearing in the hydraulic oil, thereby prevent effectively that the testing arrangement body from after multiple operation, because the hydraulic oil temperature is too high, the phenomenon that the pneumatic cylinder is out of order appears, be favorable to going on of experiment and the precision of test result, therefore, the clothes hanger is strong in practicability, and there is the repacking nature of preferred for conventional flexible electrohydraulic servo valve test experiment platform, suitable popularization.
Drawings
Fig. 1 is a front view of the structure provided by the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a perspective view of the structure provided by the present invention.
In the figure: 1. a testing device body; 2. an electro-hydraulic servo valve; 3. a hydraulic cylinder; 4. a fortune wheel; 5. a pump station; 6. a movable base; 7. a first servo motor; 8. a screw rod; 9. a moving block; 10. a limiting sliding plate; 11. a strip-shaped limiting hole; 12. a C-shaped mounting plate; 13. a through hole; 14. a second servo motor; 15. a heat radiation fan; 16. a door panel; 17. a first heat dissipation hole; 18. a second heat dissipation hole.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to the attached drawings 1-3, the utility model provides a flexible electrohydraulic servo valve testing device, including a testing device body 1, the top of the testing device body 1 is provided with an electrohydraulic servo valve 2, the top of the testing device body 1 is also provided with a hydraulic cylinder 3, four corners at the bottom of the testing device body 1 are all provided with a horse wheel 4, so that the testing device body 1 can have a function of being convenient for moving, a pump station 5 is arranged in the testing device body 1, the pump station 5 can provide hydraulic power for the hydraulic cylinder 3, thereby performing a flexible test on the electrohydraulic servo valve 2, when the hydraulic cylinder 3 does work for many times, the temperature of hydraulic oil in the pump station 5 rises, the testing device also comprises a heat dissipation mechanism for actively dissipating heat for the pump station 5, the heat dissipation mechanism comprises a transverse moving component, an installation component, a longitudinal overturning component and a heat dissipation component, the transverse moving component is arranged at the top end in the testing device body 1, the longitudinal overturning component is connected with the transverse moving component through the installation component, and the heat dissipation component is arranged on the longitudinal overturning component;
the transverse moving assembly comprises a moving base 6, the top of the moving base 6 is transversely and fixedly installed on the top of the inner wall of the testing device body 1, the moving base 6 is located above the pump station 5, one end of the moving base 6 is fixedly provided with a first servo motor 7, an output shaft of the first servo motor 7 horizontally penetrates through one end of the moving base 6, an output shaft of the first servo motor 7 is fixedly connected with a lead screw 8, the lead screw 8 is horizontally arranged inside the moving base 6, one end, far away from the first servo motor 7, of the lead screw 8 is rotatably connected to the side portion of the inner wall of the moving base 6, when the first servo motor 7 does work, the lead screw 8 can be directly driven to rotate in the forward and reverse directions inside the moving base 6, the surface of the lead screw 8 is in threaded connection with a moving block 9, the bottom of the moving block 9 is fixedly connected with a limiting sliding plate 10, the bottom of the moving base 6 is transversely provided with a strip-shaped limiting hole 11, the bottom end of the limiting sliding plate 10 vertically penetrates through the strip-shaped limiting hole 11, the surface of the limiting sliding plate 10 is attached to the wall of the strip-shaped limiting hole 11, namely, the limiting sliding plate 10 can only transversely move in the horizontal direction when the lead screw 8 is driven to rotate inside the moving block 6 under the horizontal moving block 9 under the limiting effect of the limiting sliding plate 10;
therefore, a person skilled in the art can start the first servo motor 7, drive the screw rod 8 to rotate forward and backward through the first servo motor 7, and drive the moving block 9 and the limiting sliding plate 10 to reciprocate left and right in the horizontal direction through the principle of screw rod transmission;
the mounting assembly comprises a C-shaped mounting plate 12, the C-shaped mounting plate 12 is horizontally arranged, the center position of the top of the C-shaped mounting plate 12 is fixedly connected to the bottom of the limiting sliding plate 10, and one end of the C-shaped mounting plate 12 is provided with a through hole 13, so that when the first servo motor 7 does work to drive the moving block 9 and the limiting sliding plate 10 to do reciprocating motion left and right in the horizontal direction, the C-shaped mounting plate 12 can be driven to do reciprocating motion left and right synchronously;
the longitudinal overturning assembly comprises a second servo motor 14, the second servo motor 14 is fixedly arranged at one end of the C-shaped mounting plate 12, which is provided with a through hole 13, and an output shaft of the second servo motor 14 horizontally penetrates through the through hole 13;
the heat dissipation assembly comprises a heat dissipation fan 15, the heat dissipation fan 15 is arranged below the C-shaped mounting plate 12, one end of the heat dissipation fan 15 is fixedly connected with an output shaft of the second servo motor 14, and the other end of the heat dissipation fan 15 is rotatably connected to the side part of the C-shaped mounting plate 12, so that when the second servo motor 14 does work, the heat dissipation fan 15 can be driven to turn over on the vertical surface in a reciprocating manner, the heat dissipation fan 15 can achieve a reciprocating swing effect, and when the heat dissipation fan 15 does work, wind power can be generated, active air-cooling heat dissipation operation can be performed on the pump station 5 located below, moreover, the heat dissipation fan 15 can swing on the vertical surface in a reciprocating manner and can reciprocate left and right along with the C-shaped mounting plate 12 in the horizontal direction, so that the heat dissipation area is effectively increased, the heat dissipation effect of the pump station 5 is greatly improved, the situation that high temperature of hydraulic oil is effectively prevented, the phenomenon that the hydraulic cylinder 3 is in telescopic failure after the test device body 1 is operated for multiple times, the electrohydraulic valve test is effectively prevented, the continuous performance of the hydraulic oil test and the accuracy of the test result are facilitated, the test bench is high in practicability, and the refitability relative to the conventional telescopic servo valve test bench;
the articulated door plant 16 that has had of 1 front end of testing arrangement body, a plurality of first louvres 17 have been seted up to 1 lateral part of testing arrangement body, have seted up a plurality of second louvres 18 on the door plant 16, can play the effect that the air flows for radiator fan 15 can normal use, makes the utility model has the advantages of reasonable design.
The utility model discloses a use as follows: the technical personnel in the field firstly clamp the electro-hydraulic servo valve 2 to be tested on the top of the testing device body 1 through a clamp, then open the hydraulic cylinder 3 to carry out telescopic test on the electro-hydraulic servo valve 2, and when the hydraulic cylinder 3 does work, the pump station 5 provides the needed hydraulic power for the electro-hydraulic servo valve;
after the test device body 1 is operated for multiple times, namely when the hydraulic cylinder 3 does work for multiple times, the temperature of hydraulic oil in the pump station 5 rises, so that a person skilled in the art can start the first servo motor 7, the second servo motor 14 and the cooling fan 15 in advance, when the cooling fan 15 does work, active air-cooling heat dissipation operation can be performed on the pump station 5 located below, then when the first servo motor 7 does work, the C-shaped mounting plate 12 can be driven to reciprocate left and right in the horizontal direction through the principle of screw rod transmission, so that the cooling fan 15 is driven to reciprocate left and right in the horizontal direction, then when the second servo motor 14 does work, the cooling fan 15 can be directly driven to reciprocate in the vertical plane, namely, the cooling fan 15 can reciprocate in the vertical plane and can reciprocate left and right in the horizontal direction along with the C-shaped mounting plate 12, so that the cooling area is effectively increased, the cooling effect of the pump station 5 is greatly improved, the situation that the temperature of the hydraulic oil is higher is effectively prevented, and therefore, after the test device body 1 is operated for multiple times, the phenomenon of hydraulic cylinder 3 expansion and modification is favorable for electro-hydraulic oil test, and the servo expansion valve is suitable for the conventional test platform.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (7)
1. Flexible electro-hydraulic servo valve testing arrangement, including testing arrangement body (1), testing arrangement body (1) top is provided with electro-hydraulic servo valve (2), and testing arrangement body (1) top still is provided with pneumatic cylinder (3), and four corners in testing arrangement body (1) bottom all are provided with fortune horse wheel (4), and testing arrangement body (1) inside is provided with pump station (5), its characterized in that: the heat dissipation device also comprises a heat dissipation mechanism used for actively dissipating heat of the pump station (5);
the heat dissipation mechanism comprises a transverse moving assembly, a mounting assembly, a longitudinal overturning assembly and a heat dissipation assembly, wherein the transverse moving assembly is arranged at the top end inside the testing device body (1), the longitudinal overturning assembly is connected with the transverse moving assembly through the mounting assembly, and the heat dissipation assembly is arranged on the longitudinal overturning assembly.
2. The telescoping electrohydraulic servo valve testing device of claim 1, wherein: the transverse moving assembly comprises a moving base (6), the top of the moving base (6) is transversely and fixedly mounted on the top of the inner wall of the testing device body (1), a first servo motor (7) is fixedly mounted at one end of the moving base (6), an output shaft of the first servo motor (7) horizontally penetrates through one end of the moving base (6), a lead screw (8) is fixedly connected with an output shaft of the first servo motor (7), the lead screw (8) is horizontally arranged inside the moving base (6), and one end, away from the first servo motor (7), of the lead screw (8) is rotatably connected to the side portion of the inner wall of the moving base (6).
3. The telescoping electrohydraulic servo valve testing device of claim 2, wherein: the screw rod (8) surface threaded connection has movable block (9), movable block (9) bottom fixedly connected with spacing slide (10), the spacing hole of bar (11) has transversely been seted up to removal base (6) bottom, spacing hole of bar (11) is vertically run through in spacing slide (10) bottom, and spacing slide (10) surface and the spacing hole of bar (11) pore wall are laminated mutually.
4. The telescoping electro-hydraulic servo valve testing device of claim 3, wherein: the mounting assembly comprises a C-shaped mounting plate (12), the C-shaped mounting plate (12) is horizontally arranged, the center of the top of the C-shaped mounting plate (12) is fixedly connected to the bottom of the limiting sliding plate (10), and one end of the C-shaped mounting plate (12) is provided with a through hole (13).
5. The telescopic electro-hydraulic servo valve testing device according to claim 4, wherein: the longitudinal overturning assembly comprises a second servo motor (14), the second servo motor (14) is fixedly installed at one end, provided with a through hole (13), of the C-shaped mounting plate (12), and an output shaft of the second servo motor (14) horizontally penetrates through the through hole (13).
6. The telescopic electrohydraulic servo valve testing device of claim 5, wherein: the heat dissipation assembly comprises a heat dissipation fan (15), wherein the heat dissipation fan (15) is arranged below the C-shaped mounting plate (12), one end of the heat dissipation fan (15) is fixedly connected with an output shaft of the second servo motor (14), and the other end of the heat dissipation fan (15) is rotatably connected to the side portion of the C-shaped mounting plate (12).
7. The telescoping electrohydraulic servo valve testing device of claim 1, wherein: the testing device comprises a testing device body (1), and is characterized in that a door plate (16) is hinged to the front end of the testing device body (1), a plurality of first heat dissipation holes (17) are formed in the side portion of the testing device body (1), and a plurality of second heat dissipation holes (18) are formed in the door plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222462387.5U CN218381585U (en) | 2022-09-17 | 2022-09-17 | Telescopic electrohydraulic servo valve testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222462387.5U CN218381585U (en) | 2022-09-17 | 2022-09-17 | Telescopic electrohydraulic servo valve testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218381585U true CN218381585U (en) | 2023-01-24 |
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ID=84953930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222462387.5U Active CN218381585U (en) | 2022-09-17 | 2022-09-17 | Telescopic electrohydraulic servo valve testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218381585U (en) |
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2022
- 2022-09-17 CN CN202222462387.5U patent/CN218381585U/en active Active
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