CN114278648B - Power matching test tool for hydraulic element - Google Patents
Power matching test tool for hydraulic element Download PDFInfo
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- CN114278648B CN114278648B CN202111643486.7A CN202111643486A CN114278648B CN 114278648 B CN114278648 B CN 114278648B CN 202111643486 A CN202111643486 A CN 202111643486A CN 114278648 B CN114278648 B CN 114278648B
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Abstract
The invention relates to the technical field of hydraulic element testing, in particular to a power matching testing tool for a hydraulic element, which comprises a base station, wherein a mounting table capable of moving left and right is arranged on the left side of the table top of the base station, a guide support is arranged on the mounting table, a bearing table is arranged on the right side of the table top of the base station, a fixed block is arranged at the position close to the edge of the right side of the base station, a bulge is arranged at the middle position of a main arm of the guide support, the bulge, the fixed block and sliding blocks at the two sides are respectively provided with a movable clamping plate on the side surface facing a through hole, and the movable clamping plates at the periphery of the ring cloth are pressed against the surface of the hydraulic element on the bearing table.
Description
Technical Field
The invention relates to the technical field of hydraulic element testing, in particular to a power matching testing tool for a hydraulic element.
Background
The machine for converting engine power into hydraulic energy and converting the hydraulic energy into mechanical energy is called as a hydraulic transmission machine, the core of the power performance of the machine is not only on a power unit engine and a hydraulic element (such as a hydraulic pump), but also the comprehensive matching performance of the power unit engine and the hydraulic element directly influences the overall working efficiency of the hydraulic transmission machine, so that the testing, evaluation and research of the matching performance are particularly important.
Chinese patent (CN 212643227U) discloses a hydraulic motor braking torque test tool and a system, wherein the hydraulic motor braking torque test tool comprises a support frame, a positioning frame supported on the support frame, and a circumferential positioning piece; the positioning frame is provided with a positioning hole, the hydraulic motor is supported on the positioning frame through the positioning hole, and the positioning frame can clamp the hydraulic motor along the axial direction of the hydraulic motor to limit the axial degree of freedom of the hydraulic motor; the circumference setting element is pegged graft with the locating rack and can move relative to the locating rack, and the circumference setting element is used for pegging graft in order to restrict its circumference degree of freedom with hydraulic motor. In the technical scheme, although the hydraulic motor can be limited, the hydraulic motor cannot be suitable for product tests of different sizes and specifications, the application range of the hydraulic motor is small and limited, and therefore a power matching test tool for a hydraulic element is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a power matching test tool for a hydraulic element.
In order to achieve the purpose, the invention adopts the following technical scheme:
the power matching test tool for the hydraulic element comprises a base platform, wherein a mounting platform capable of moving left and right is installed on the left side of a table board of the base platform in a screw rod transmission mode, a U-shaped guide support is arranged at the top of the mounting platform, a vertical through hole is formed in the right side of the table board of the base platform, a transverse bearing platform is installed in the through hole through a connecting support, guide frames are fixedly arranged at positions corresponding to the front side and the rear side of the through hole of the base platform respectively, sliding blocks located on the two sides are connected to the guide frames in a sliding mode respectively, guide grooves used for sliding insertion of the two arms of the guide support are formed in the sliding blocks respectively, fixed blocks are arranged at positions close to the edge of the right side of the base platform, a bulge is arranged at the middle position of a main arm of the guide support, the bulges and the fixed blocks located on the left side and the right side and the sliding blocks located on the front side and the rear side are distributed on the outer side of the through hole in a circumferential mode, movable clamping plates are arranged on the side of the bearing platform and are used for placing the hydraulic element to be tested, and the periphery of the movable clamping plates which are pressed against the surface of the hydraulic element.
Preferably, a straight groove is formed in the left side of the table board of the base table, a lead screw is rotatably mounted at the bottom of the straight groove through a bearing part, and a moving pair is connected to the lead screw in a threaded manner.
Preferably, the top of the sliding pair is fixedly connected with the bottom surface of the mounting table.
Preferably, a servo motor is arranged on the left side of the base platform, and a driving shaft arranged at the output end of the servo motor is coupled with the end part of the lead screw through a coupling to rotate.
Preferably, the front side face of the movable clamping plate is designed to be an arc-shaped face, and the rear side face of the movable clamping plate is provided with a connecting shaft.
Preferably, the arc-shaped surface is matched with the surface contour of the corresponding hydraulic component.
Preferably, the movable clamping plate is rotatably mounted on the corresponding protrusions, the fixed block and the side surfaces of the two sliding blocks through a connecting shaft arranged on the rear side surface of the movable clamping plate.
Preferably, the top of the bearing table is rotatably provided with a turntable through a slewing bearing, and the hydraulic element is placed on the turntable.
Preferably, the guide grooves formed on the sliding blocks positioned at the front side and the rear side are symmetrically arranged about the center line of the through hole.
Preferably, an included angle formed between the two arms of the guide bracket and the main arm thereof is an obtuse angle, and the extending direction of the channel of the guide groove is consistent with the extending direction of the support arm of the guide bracket.
The invention has the beneficial effects that:
1. when the guide bracket moves rightwards, the movable clamping plates on the front, the rear and the left sides move towards the middle at the same time, and when a hydraulic element is placed on the turntable, the hydraulic element can be clamped by the four movable clamping plates, so that the position fixation of the hydraulic element is ensured.
2. Because the position of activity splint can be adjusted, consequently, this test fixture can retrain, centre gripping to the hydraulic component of different specifications size to enlarge its application scope.
3. The movable clamping plate is rotatably installed on the corresponding component through the connecting shaft, so that the position of the movable clamping plate can be adjusted in a self-adaptive manner in the process of gradually moving to the center and pressing against the surface of the hydraulic component, and the arc-shaped surface of the movable clamping plate can be just stably attached to the outer surface of the hydraulic component.
Through the test fixture that this scheme provided, solved hydraulic component's the less problem of test fixture application range of power matching, this test fixture's proposition can retrain the hydraulic motor of equidimension, specification not through automatic centre gripping design, ensures its rigidity, for follow-up test provides convenience, and application range obviously enlarges, and the practicality promotes, suitable using widely.
Drawings
Fig. 1 is a schematic top view of a power matching test fixture for a hydraulic component according to the present invention;
fig. 2 is a schematic perspective view of a power matching test fixture for a hydraulic component according to the present invention;
FIG. 3 is a schematic diagram of an overall explosion structure of the power matching test tool for a hydraulic component according to the present invention;
FIG. 4 is a schematic structural diagram of a sliding block of the power matching test tool for a hydraulic component according to the present invention;
fig. 5 is a schematic structural view of a movable clamp plate of the power matching test tool for the hydraulic component.
In the figure: 1. a base station; 2. a straight groove; 3. a lead screw; 4. a sliding pair; 5. a mounting table; 6. a guide bracket; 7. a protrusion; 8. a servo motor; 9. a guide frame; 10. a slider; 11. a through hole; 12. a bearing table; 13. connecting a bracket; 14. a fixed block; 15. a movable splint; 16. a connecting shaft; 17. an arc-shaped surface; 18. a guide groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this embodiment, referring to fig. 1 to 5, the power matching test fixture for a hydraulic component includes a base station 1, a mounting table 5 capable of moving left and right is installed on the left side of a table top of the base station 1 in a lead screw transmission manner, a straight groove 2 is formed in the left side of the table top of the base station 1, a lead screw 3 is installed at the bottom of the straight groove 2 through a bearing component in a rotating manner, a sliding pair 4 is connected to the lead screw 3 through a thread, the top of the sliding pair 4 is fixedly connected with the bottom surface of the mounting table 5, a servo motor 8 is arranged on the left side of the base station 1, and a driving shaft arranged at the output end of the servo motor 8 rotates through a shaft coupling with the end of the lead screw 3. The top of the mounting table 5 is provided with a U-shaped guide bracket 6, the mounting table 5 is controlled to move left and right along a straight line through a servo motor 8, and the position of the guide bracket 6 in the horizontal direction is controlled and adjusted in such a way.
A vertical through hole 11 is formed in the right side of the table board of the base table 1, a transverse bearing table 12 is installed in the through hole 11 through a connecting support 13, a rotary table is installed at the top of the bearing table 12 in a rotating mode through a rotary support, and a hydraulic element is placed on the rotary table. The hydraulic component to be detected is placed on the turntable, and the rotation angle of the hydraulic component in the circumferential direction is adjusted by utilizing the characteristic that the turntable can rotate.
The base station 1 is fixedly provided with guide frames 9 at the corresponding positions of the front side and the rear side of the through hole 11 respectively, the guide frames 9 are respectively connected with sliding blocks 10 in a sliding manner, the sliding blocks 10 positioned at the two sides are arranged oppositely, guide grooves 18 used for the sliding insertion of the two arms of the guide support 6 are respectively arranged on the sliding blocks 10, the guide grooves 18 arranged on the sliding blocks 10 positioned at the front side and the rear side are symmetrically arranged relative to the central line of the through hole 11, an included angle formed between the two arms of the guide support 6 and the main arm of the guide support is an obtuse angle, and the channel extending direction of the guide grooves 18 is consistent with the support arm extending direction of the guide support 6. Through the design, the guide support 6 can push the sliding blocks 10 on the front side and the rear side to simultaneously slide in the same direction or simultaneously slide in the opposite direction in the sliding process, and the linkage process is realized by one guide support 6.
In addition, the base 1 is provided with a fixed block 14 near the right edge thereof, the guide bracket 6 is provided with a bulge 7 at the middle position of the main arm thereof, the bulges 7 and the fixed blocks 14 positioned at the left and right sides and the sliding blocks 10 positioned at the front and back sides are circumferentially distributed at the outer side of the through hole 11, the bulges 7, the fixed blocks 14 and the sliding blocks 10 at the two sides are respectively provided with a movable clamping plate 15 at the side surface facing the through hole 11, the front side surface of the movable clamping plate 15 is designed to be an arc surface 17, the back side surface of the movable clamping plate 15 is provided with a connecting shaft 16, the arc surface 17 is matched with the surface contour of the corresponding hydraulic component, and the movable clamping plate 15 is rotatably installed on the corresponding bulges 7, the fixed blocks 14 and the side surfaces of the two sliding blocks 10 through the connecting shaft 16 arranged at the back side surface.
The bearing table 12 is used for placing a hydraulic component to be tested, and the movable clamping plates 15 around the ring cloth are pressed against the corresponding positions on the surface of the hydraulic component. The position of the movable clamp 15 on the fixed block 14 on the right side is fixed, when the guide bracket 6 moves rightwards, the purpose of simultaneously moving the movable clamp 15 on the front, rear and left sides towards the middle is realized, when the hydraulic component is placed on the turntable, the hydraulic component can be clamped by the four movable clamps 15, and the position of the hydraulic component is ensured to be fixed.
The fixed block 14 can also be adjusted in position by another lead screw transmission mode, specifically, the original lead screw 3 is replaced by a double-head lead screw, threads on two sides of the lead screw are opposite, under the design, the movable clamping plates 15 on the left side and the right side can synchronously move towards the middle, and the purpose of clamping the hydraulic element in the middle can be realized by matching the movable clamping plates 15 which can simultaneously slide on the front side and the rear side.
Because the position of the movable clamping plate 15 can be adjusted, the testing tool in the design can restrain and clamp hydraulic elements with different specifications and sizes, and therefore the application range of the testing tool is expanded.
Here, it is particularly mentioned that the movable clamp 15 is rotatably mounted on the corresponding component by means of the connecting shaft 16, so that during the gradual movement of the movable clamp 15 towards the center and pressing against the surface of the hydraulic component, the position of the movable clamp 15 is self-adjusting, ensuring that the arc-shaped surface 17 of the movable clamp 15 can be exactly and stably attached to the outer surface of the hydraulic component.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The power matching test tool for the hydraulic element is characterized by comprising a base platform (1), a mounting platform (5) capable of moving left and right is mounted on the left side of the table top of the base platform (1) in a screw rod transmission mode, U-shaped guide supports (6) are arranged at the tops of the mounting platform (5), through holes (11) which are vertical and through are formed in the right side of the table top of the base platform (1), transverse bearing platforms (12) are mounted in the through holes (11) through connecting supports (13), guide frames (9) are respectively fixedly arranged at corresponding positions on the front side and the rear side of each through hole (11) of the base platform (1), sliding blocks (10) are respectively connected onto the guide frames (9) in a sliding mode, the sliding blocks (10) on the two sides are arranged oppositely, guide grooves (18) for sliding insertion of two arms of each guide support (6) are respectively formed in the front side and the rear side of each through hole (11), fixed blocks (14) are arranged at positions close to the edges of the right sides of the base platform (1), bulges (7) are arranged at the middle positions of each guide support (6), bulges (7) on the left side and the right side, bulges (7) and the sliding blocks (15) and the sliding blocks (10) are distributed on the outer sides of the through holes (11) in the through holes and the through holes (11), the bearing table (12) is used for placing a hydraulic element to be tested, and movable clamping plates (15) around the annular cloth are pressed against the corresponding positions of the surface of the hydraulic element.
2. The tool for testing the power matching of the hydraulic component according to claim 1, wherein a straight groove (2) is formed in the left side of the table top of the base table (1), a lead screw (3) is rotatably mounted at the bottom of the straight groove (2) through a bearing component, and a sliding pair (4) is in threaded connection with the lead screw (3).
3. The tool for testing the power matching of the hydraulic component as claimed in claim 2, wherein the top of the moving pair (4) is fixedly connected with the bottom surface of the mounting table (5).
4. The power matching test tool for the hydraulic component according to claim 2, wherein a servo motor (8) is arranged on the left side of the base platform (1), and a driving shaft arranged at the output end of the servo motor (8) is coupled with the end of the lead screw (3) through a coupler to rotate.
5. The power matching test tool for the hydraulic component according to claim 1, wherein the front side surface of the movable clamping plate (15) is designed to be an arc-shaped surface (17), and the rear side surface of the movable clamping plate (15) is provided with a connecting shaft (16).
6. The power matching test tool for the hydraulic component according to claim 5, wherein the arc-shaped surface (17) is matched with the surface profile of the corresponding hydraulic component.
7. The tool for testing the power matching of the hydraulic component as claimed in claim 5, wherein the movable clamping plate (15) is rotatably mounted on the corresponding protrusion (7), the fixed block (14) and the side surfaces of the two sliding blocks (10) through a connecting shaft (16) arranged on the rear side surface of the movable clamping plate.
8. The power matching test tool for the hydraulic element according to claim 1, wherein a turntable is rotatably mounted at the top of the bearing table (12) through a slewing bearing, and the hydraulic element is placed on the turntable.
9. The tool for testing the power matching of the hydraulic element according to claim 1, wherein the guide grooves (18) formed in the sliding blocks (10) positioned on the front side and the rear side are symmetrically arranged with respect to the center line of the through hole (11).
10. The tool for testing the power matching of the hydraulic element according to claim 1, wherein an included angle formed between two arms of the guide support (6) and a main arm of the guide support is an obtuse angle, and the channel extending direction of the guide groove (18) is consistent with the arm extending direction of the guide support (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111643486.7A CN114278648B (en) | 2021-12-30 | 2021-12-30 | Power matching test tool for hydraulic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111643486.7A CN114278648B (en) | 2021-12-30 | 2021-12-30 | Power matching test tool for hydraulic element |
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| Publication Number | Publication Date |
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| CN114278648A CN114278648A (en) | 2022-04-05 |
| CN114278648B true CN114278648B (en) | 2022-12-13 |
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| CN202111643486.7A Active CN114278648B (en) | 2021-12-30 | 2021-12-30 | Power matching test tool for hydraulic element |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115388065A (en) * | 2022-08-02 | 2022-11-25 | 襄阳航宇机电液压应用技术有限公司 | Hydraulic motor running-in test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204357842U (en) * | 2014-12-12 | 2015-05-27 | 武汉理工大学 | A kind of oil hydraulic cylinder displacement signal being applicable to engineering machinery detects auxiliary device |
| CN109804237B (en) * | 2016-10-14 | 2021-12-10 | 豪夫迈·罗氏有限公司 | Test element analysis system for the analytical examination of samples |
| CN109058231A (en) * | 2018-09-30 | 2018-12-21 | 杭州力龙液压有限公司 | Hydraulic motor braking moment test fixture and system |
| CN209053869U (en) * | 2018-10-29 | 2019-07-02 | 东莞市三惠机械有限公司 | A test platform for hydraulic motors |
| CN111674566A (en) * | 2020-05-25 | 2020-09-18 | 哈尔滨工业大学 | An adjustable inner support restraint device for the roundness control of cabin members |
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Effective date of registration: 20221115 Address after: 214500 No. 3, liuzhugang Road, Xingang Park, Jingjiang Economic Development Zone, Taizhou City, Jiangsu Province Applicant after: Jingjiang Aiwei machinery parts manufacturing Co.,Ltd. Address before: 214500 No. 23 Dajue North Road, Xieqiao Town, Jingjiang City, Taizhou City, Jiangsu Province Applicant before: Jingjiang Nanzheng Machinery Technology Co.,Ltd. |
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