Pressure testing device of hydraulic oil cylinder

Abstract

The utility model discloses a pressure testing device of a hydraulic oil cylinder, which comprises a working table, a rotating shaft is rotatably and movably mounted on the inner side of the bottom of the working table, two groups of connecting frames are mounted at the upper end of the rotating shaft in a bilateral symmetry manner, placing discs are fixedly mounted on the connecting frames, and the placing discs are used for placing the hydraulic oil cylinder. And a positioning assembly is arranged on the placing disc. According to the utility model, the hydraulic oil cylinder slides down along the arc surfaces of the three groups of positioning blocks, so that the three groups of positioning blocks can clamp and position the hydraulic oil cylinders with different specifications under the action of the springs, then the hydraulic oil cylinder is started for detection, and the other group of hydraulic oil cylinders are placed on the placing disc during detection; after the detection of the hydraulic oil cylinder on the left side is completed, the motor is started, and then the first bevel gear and the second bevel gear are matched to drive the rotating shaft, so that the other hydraulic oil cylinder enters a detection position, uninterrupted detection can be realized, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic oil cylinders, in particular to a pressure testing device for a hydraulic oil cylinder. Background Art

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion. It is widely used in hydraulic systems of various machines due to its simple structure, reliable operation and smooth movement. At the same time, there are many devices for testing hydraulic cylinders, including hydraulic cylinder pressure testing devices.

[0003] In the prior art, when the pressure of a hydraulic cylinder is tested, the pressure testing device is fixed and the staff needs to wait until the pressure testing device is tested before testing the next hydraulic cylinder, which makes the replacement time longer and reduces work efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned defects in the prior art, the utility model provides a pressure testing device for a hydraulic cylinder.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a pressure testing device for a hydraulic cylinder, comprising a workbench, a rotating shaft is rotatably installed on the inner side of the bottom of the workbench, two groups of connecting frames are symmetrically installed on the upper end of the rotating shaft, a placing plate is fixedly installed on the connecting frame, the placing plate is used to place the hydraulic cylinder, and a positioning component is arranged on the placing plate.

[0006] Furthermore, a mounting concave surface is provided on the inner side of the upper end of the workbench, and a force-bearing block is fixedly mounted on the lower end of the mounting concave surface.

[0007] Furthermore, a display is fixedly mounted on the outer side of the upper end of the workbench.

[0008] Furthermore, a motor is fixedly installed on the inner side of the bottom of the workbench, a first bevel gear is fixedly connected to the power output shaft of the motor, a second bevel gear is cooperatively installed on the upper end of the first bevel gear, and the second bevel gear is fixedly installed on the outer side of the rotating shaft.

[0009] Furthermore, the positioning assembly includes a plurality of sliding mounting grooves, the sliding mounting grooves are arranged at the upper end of the placement plate, a spring is arranged in the sliding mounting groove, one end of the spring is fixedly connected to the inner wall of the sliding mounting groove, and the other end of the spring is fixedly mounted on the positioning block.

[0010] Furthermore, the positioning block is slidably mounted in the sliding mounting groove, and an arc surface is provided at the upper end of the positioning block.

[0011] The beneficial effect of the utility model is that the hydraulic cylinder is slid down along the arc surface of the three groups of positioning blocks, so that the three groups of positioning blocks can clamp and position the hydraulic cylinders of different specifications under the action of springs, and then the hydraulic cylinder is started for detection. During the detection, another group of hydraulic cylinders is placed on the placement plate. After the detection of the left hydraulic cylinder is completed, the motor is started, and then the driving shaft is realized through the cooperation of the first bevel gear and the second bevel gear, so that the other group of hydraulic cylinders enters the detection position, so that uninterrupted detection can be realized and the detection efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 A top view of the placement tray of the utility model;

[0015] Figure 3 It is a schematic diagram of the positioning block of the utility model;

[0016] In the figure, 1. workbench, 101. mounting concave surface, 2. motor, 3. first bevel gear, 4. second bevel gear, 5. rotating shaft, 6. connecting frame, 7. placing plate, 701. sliding mounting groove, 8. force block, 9. display, 10. spring, 11. positioning block, 1101. arc surface. DETAILED DESCRIPTION

[0017] In order to more clearly illustrate the technical solution of the utility model, the utility model is further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on this drawing and embodiment, which all belong to the protection scope of the utility model.

[0018] like Figure 1 As shown, the utility model includes a workbench 1, a rotating shaft 5 is rotatably installed on the inner side of the bottom of the workbench 1 through a bearing, a motor 2 is fixedly installed on the inner side of the bottom of the workbench 1 through bolts, a first bevel gear 3 is fixedly connected to the power output shaft of the motor 2, a second bevel gear 4 is meshed and installed on the upper end of the first bevel gear 3, and the second bevel gear 4 is fixedly installed on the outer side of the rotating shaft 5.

[0019] like Figures 1 to 3As shown, two groups of connecting frames 6 are symmetrically installed on the upper end of the rotating shaft 5, and a placement plate 7 is welded and installed on the connecting frame 6. The placement plate 7 is used to place the hydraulic cylinder. A positioning component is arranged on the placement plate 7, and the positioning component includes a plurality of groups of sliding mounting grooves 701. The sliding mounting groove 701 is arranged at the upper end of the placement plate 7. A spring 10 is arranged in the sliding mounting groove 701. One end of the spring 10 is fixedly connected to the inner wall of the sliding mounting groove 701, and a positioning block 11 is fixedly installed on the other end of the spring 10. The positioning block 11 is slidably installed in the sliding mounting groove 701, and the upper end of the positioning block 11 is provided with an arc surface 1101.

[0020] like Figure 1 As shown, a mounting concave surface 101 is provided on the inner side of the upper end of the workbench 1, a force bearing block 8 is fixedly installed on the lower end of the mounting concave surface 101, and a display 9 is fixedly installed on the outer side of the upper end of the workbench 1, and the display 9 is used to display data.

[0021] When the utility model is in use, the hydraulic cylinder is slid down along the arc surface 1101 of the three groups of positioning blocks 11, so that the three groups of positioning blocks 11 can clamp and position the hydraulic cylinders of different specifications under the action of the spring 10, and then the hydraulic cylinder is started for detection. During the detection, another group of hydraulic cylinders is placed on the placement plate 7. After the detection of the left hydraulic cylinder is completed, the motor 2 is started, and then the first bevel gear 3 and the second bevel gear 4 cooperate to drive the rotating shaft 5, so that the other group of hydraulic cylinders enters the detection position, so that uninterrupted detection can be achieved and the detection efficiency is improved.

[0022] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A pressure testing device for a hydraulic cylinder, comprising a workbench (1), characterized in that: A rotating shaft (5) is rotatably mounted on the inner side of the bottom of the workbench (1); two groups of connecting frames (6) are symmetrically mounted on the upper end of the rotating shaft (5); a placement plate (7) is fixedly mounted on the connecting frame (6); the placement plate (7) is used to place a hydraulic cylinder; and a positioning assembly is arranged on the placement plate (7).

2. A pressure testing device for a hydraulic cylinder according to claim 1, characterized in that: A mounting concave surface (101) is provided on the inner side of the upper end of the workbench (1), and a force-bearing block (8) is fixedly mounted on the lower end of the mounting concave surface (101).

3. A pressure testing device for a hydraulic cylinder according to claim 2, characterized in that: A display (9) is fixedly mounted on the outer side of the upper end of the workbench (1).

4. A pressure testing device for a hydraulic cylinder according to claim 1, characterized in that: A motor (2) is fixedly mounted on the inner side of the bottom of the workbench (1); a first bevel gear (3) is fixedly connected to the power output shaft of the motor (2); a second bevel gear (4) is mounted on the upper end of the first bevel gear (3); and the second bevel gear (4) is fixedly mounted on the outer side of the rotating shaft (5).

5. A pressure testing device for a hydraulic cylinder according to claim 4, characterized in that: The positioning assembly comprises a plurality of groups of sliding mounting grooves (701), wherein the sliding mounting grooves (701) are arranged at the upper end of the placement plate (7), wherein a spring (10) is arranged in the sliding mounting groove (701), wherein one end of the spring (10) is fixedly connected to the inner wall of the sliding mounting groove (701), and the other end of the spring (10) is fixedly mounted on a positioning block (11).

6. A pressure testing device for a hydraulic cylinder according to claim 5, characterized in that: The positioning block (11) is slidably mounted in the sliding mounting groove (701), and the upper end of the positioning block (11) is provided with an arc surface (1101).

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