Test tool for nitrogen spring

Abstract

The utility model discloses a nitrogen spring test tool comprising a pedestal, the upper surface of the pedestal is fixedly connected with a supporting plate and a working plate, the upper surface of the working plate is provided with a lower chute, the side surface of the supporting plate is fixedly connected with a connecting plate, the upper surface of the connecting plate is fixedly connected with a hydraulic cylinder III, and the output end of the hydraulic cylinder III is fixedly connected with a pressing plate. An upper sliding groove is formed in the lower surface of the pressing plate, a third fixing plate is fixedly connected to the upper surface of the base, a plurality of pneumatic lock discs are arranged on the side surface of the third fixing plate, fixing grooves are formed in the pneumatic lock discs, a second fixing plate is slidably connected to the base, a second containing groove is formed in the second fixing plate, and a pressure sensor is fixedly connected into the second containing groove; by means of the structure, whether the elasticity of the nitrogen spring meets the qualified requirement or whether the nitrogen spring is full of nitrogen or not and whether the nitrogen inside the nitrogen spring leaks or not can be conveniently detected according to data measured by the pressure sensor, and large-batch detection can be conveniently carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen spring testing tool technical field, especially nitrogen spring testing tool. BACKGROUND

[0002] The existing nitrogen spring testing tool is convenient for testing by setting push rod, nitrogen filling nozzle and other components, but it cannot meet the use requirement when detecting whether the elasticity of a large number of nitrogen springs reaches the qualified requirement or detecting whether the nitrogen in the nitrogen spring is full and whether the internal nitrogen leaks, like the "pneumatic ejection tool" disclosed in Chinese patent, the application number of which is "CN202120752220.5", which comprises a tool plate, a pneumatic lock disc and a nitrogen spring, wherein: the nitrogen spring is embedded in the center position of the tool plate, one end is provided with a push rod, and the other end is provided with a nitrogen filling nozzle; the pneumatic lock disc comprises a first pneumatic lock disc and a second pneumatic lock disc, the first pneumatic lock disc and the second pneumatic lock disc are arranged on both sides of the nitrogen spring respectively and are fixed on the tool plate, which is convenient for testing, but it cannot meet the use requirement when detecting whether the elasticity of a large number of nitrogen springs reaches the qualified requirement or detecting whether the nitrogen in the nitrogen spring is full and whether the internal nitrogen leaks, and it has limitations in use. UTILITY MODEL CONTENTS

[0003] The utility model discloses a nitrogen spring testing tool, which is convenient for detecting whether the elasticity of a large number of nitrogen springs reaches the qualified requirement or detecting whether the nitrogen in the nitrogen spring is full and whether the internal nitrogen leaks by setting support plate and work plate, lower sliding slot, connecting plate, hydraulic cylinder three, pressing plate, upper sliding slot, fixed plate three, pneumatic lock disc, fixed groove, fixed plate two, storage slot two, pressure sensor and rubber block.

[0004] The utility model also provides a test tool for nitrogen spring with above -mentioned one, include: base, the base upper surface fixedly connected with support plate and work board, the work board is located between two support plates, the work board upper surface is provided with the lower slide groove, the support plate side surface fixedly connected with connecting plate, the connecting plate upper surface fixedly connected with hydraulic cylinder three, hydraulic cylinder three output fixedly connected with the pressing plate, the pressing plate lower surface is provided with the upper slide groove, the upper slide groove and the lower slide groove position size are same, the base upper surface fixedly connected with fixed plate three, a plurality of pneumatic lock disc is provided to the fixed plate three side surface, the pneumatic lock disc is provided with fixed groove, the radius and the axis line of fixed groove and the radius and the axis line of upper slide groove are same, the base upper surface is slidably connected with fixed plate two, be provided with the receiving groove no. 2 to fixed plate two, the radius and the axis line of receiving groove no. 2 and the radius and the axis line of fixed groove are same, the receiving groove no. 2 is fixedly connected with pressure sensor, the pressure sensor side surface is provided with rubber block, through above structure, it is convenient according to the data measured by pressure sensor, detects whether nitrogen spring elasticity reaches the qualified requirement or nitrogen spring nitrogen is full in or whether its internal nitrogen leaks, it is convenient for large batch detection.

[0005] According to the nitrogen spring test tool, the fixed plate two side surface is fixedly connected with the fixed plate one, and the receiving groove no. 1 is arranged on the fixed plate one.

[0006] According to the nitrogen spring test tool, the fixed plate one side surface is fixedly connected with the hydraulic cylinder two, the hydraulic cylinder two output end is fixedly connected with the push block, and the push block is located in the receiving groove no. 1.

[0007] According to the nitrogen spring test tool, the base is provided with the moving groove, the sliding block is slidably connected in the moving groove, the sliding block is fixedly connected to the lower surfaces of the fixed plate one and the fixed plate two, and the fixed plate one and the fixed plate two have the same length.

[0008] According to the nitrogen spring test tool, the base upper surface is fixedly connected with the fixed block, the fixed block side surface is fixedly connected with the hydraulic cylinder one, the hydraulic cylinder one output end is fixedly connected to the fixed plate two side surface, and the distance between the fixed block and the support plate close to the base is equal to the sum of the lengths of the fixed plate one and the fixed plate two.

[0009] The utility model relates to a nitrogen spring test tool, the pneumatic lock disc side surface fixedly connected with the branch pipe, if a plurality of branch pipes away from the pneumatic lock disc one end fixedly connected with the gas pipe, through above structure, it is convenient to connect air compressor machine for the pneumatic lock disc provides gas source.

[0010] The utility model relates to a nitrogen spring test tool, the base side surface fixedly connected with the baffle, the baffle is located away from fixed block one end, and when fixed plate no.

[0011] The utility model relates to a nitrogen spring test tool, the base upper surface fixedly connected with the control cabinet, control cabinet and hydraulic cylinder no.

[0012] Beneficial effect:

[0013] Compared with the prior art, the nitrogen spring test tool is provided with support plate and work plate, lower sliding slot, connecting plate, hydraulic cylinder no. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further illustrated below in connection with the drawings and examples;

[0015] Figure 1 It is the overall structural drawing of the nitrogen spring test tool of the utility model;

[0016] Figure 2 It is the rear view structure drawing of the nitrogen spring test tool of the utility model;

[0017] Figure 3 It is the transverse section structure drawing of the nitrogen spring test tool of the utility model;

[0018] Figure 4 It is the longitudinal section structure drawing of the nitrogen spring test tool of the utility model;

[0019] Figure 5 It is the nitrogen spring test tool of the utility model Figure 4 The enlarged structure drawing of C in the middle.

[0020] Legend:

[0021] 1. Base; 2. Fixed block; 3. Hydraulic cylinder 1; 4. Control cabinet; 5. Support plate; 6. Connecting plate; 7. Baffle; 8. Air pipe; 9. Fixed plate 1; 10. Fixed plate 2; 11. Hydraulic cylinder 2; 12. Moving slot; 13. Hydraulic cylinder 3; 14. Storage slot 1; 15. Push block; 16. Fixed plate 3; 17. Press plate; 18. Upper slide; 19. Lower slide; 20. Working plate; 21. Pneumatic locking plate; 22. Branch pipe; 23. Fixed slot; 24. Pressure sensor; 25. Rubber block; 26. Storage slot 2; 27. Slider. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0023] Reference Figures 1-5The embodiment of the present utility model is a test fixture for a nitrogen spring, which includes: a base 1, an upper surface of the base 1 is fixedly connected to a support plate 5 and a working plate 20, the support plate 5 and the working plate 20 are fixed, and the working plate 20 is located between the two support plates 5 to determine the position of the working plate 20, and a sliding groove 19 is provided on the upper surface of the working plate 20, and the side surface of the support plate 5 is fixedly connected to the connecting plate 6. The upper surface of the connecting plate 6 is fixedly connected to a hydraulic cylinder 3 13, and the output end of the hydraulic cylinder 3 13 is fixedly connected to a pressure plate 17, which drives the pressure plate 17 to rise and fall. The lower surface of the pressure plate 17 is provided with an upper sliding groove 18, and the position and size of the upper sliding groove 18 and the sliding groove 19 are the same, which is convenient for limiting the moving area of ​​the nitrogen spring to prevent it from deflecting during movement. The upper surface of the base 1 is fixedly connected to a fixed plate 3 16, and the side surface of the fixed plate 3 16 is provided with a plurality of pneumatic locking disks 21. The side surface of the pneumatic locking disk 21 is fixedly connected to a branch pipe 22, and the end of the plurality of branch pipes 22 away from the pneumatic locking disk 21 is fixedly connected to the air pipe 8, which is convenient for connection with the air compressor. , providing air source for the pneumatic locking disk 21, the pneumatic locking disk 21 is provided with a fixed groove 23, the radius and axis of the fixed groove 23 are the same as the radius and axis of the upper slide groove 18, which is convenient for use, the base 1 is slidably connected with a fixed plate 2 10, the side surface of the fixed plate 2 10 is fixedly connected with a fixed plate 1 9, the fixed plate 1 9 is provided with a receiving groove 14, and the position of the receiving groove 14 is determined. The side surface of the fixed plate 1 9 is fixedly connected with a hydraulic cylinder 2 11, and the output end of the hydraulic cylinder 2 11 is fixedly connected There is a push block 15, which drives the push block 15 to move. The push block 15 is located in the receiving groove 14 to receive the push block 15. The fixed plate 10 is provided with a receiving groove 26. The radius and axis of the receiving groove 26 are the same as the radius and axis of the fixed groove 23. A pressure sensor 24 is fixedly connected in the receiving groove 26 to detect the impact force generated when the nitrogen spring is released. A rubber block 25 is provided on the side surface of the pressure sensor 24 to protect the passage of nitrogen and the pressure sensor 24.

[0024] The base 1 is provided with a moving groove 12, a sliding block 27 is slidably connected in the moving groove 12, the sliding block 27 is fixedly connected to the lower surfaces of the fixed plate one 9 and the fixed plate two 10, the fixed plate one 9 and the fixed plate two 10 are facilitated to slide, the fixed plate one 9 and the fixed plate two 10 are of the same length and are facilitated to use, a fixed block 2 is fixedly connected to the upper surface of the base 1, a hydraulic cylinder one 3 is fixedly connected to the side surface of the fixed block 2, the output end of the hydraulic cylinder one 3 is fixedly connected to the side surface of the fixed plate two 10 and drives the fixed plate two 10 to move, the distance between the fixed block 2 and the support plate 5 close to the base 1 is equal to the sum of the lengths of the fixed plate one 9 and the fixed plate two 10, and the fixed block 2 is facilitated to store the nitrogen gas spring, a control cabinet 4 is fixedly connected to the upper surface of the base 1, the control cabinet 4 is electrically connected with the hydraulic cylinder one 3, a hydraulic cylinder two 11, a hydraulic cylinder three 13, a pneumatic lock disc 21 and a pressure sensor 24, and controls the above components, a baffle 7 is fixedly connected to the side surface of the base 1, the baffle 7 is located at the end away from the fixed block 2, the fixed plate one 9 is blocked, and when the fixed plate one 9 is attached to the side surface of the baffle 7, the fixed plate two 10 is located between the two support plates 5, and the position of the fixed plate two 10 is determined when the fixed plate one 9 is attached to the side surface of the baffle 7.

[0025] Working principle: when a large number of nitrogen gas springs are tested, the nitrogen gas spring is placed on the lower sliding groove 19 on the work plate 20, the control cabinet 4 is controlled, the hydraulic cylinder one 3 drives the fixed plate two 10 to move, and under the action of the matching sensor, the fixed plate one 9 moves to the front of the work plate 20, the hydraulic cylinder three 13 drives the pressing plate 17 to descend, the upper sliding groove 18 is attached to the lower sliding groove 19 and is communicated, the hydraulic cylinder two 11 drives the push block 15 to move, the nitrogen gas spring is extruded, the nitrogen gas spring moves to the fixed groove 23 on the pneumatic lock disc 21 along the cavity formed by the upper sliding groove 18 and the lower sliding groove 19, the pneumatic lock disc 21 is clamped and fixed to the nitrogen gas spring under the action of the air compressor connected with the air pipe 8, then the hydraulic cylinder two 11 drives the push plate 15 to retreat into the storage groove one 14, the hydraulic cylinder one 3 continues to elongate, the fixed plate two 10 moves to the front of the work plate 20, then the pneumatic lock disc 21 releases the nitrogen gas spring, under the action of the elastic force, the nitrogen gas spring moves along the cavity formed by the upper sliding groove 18 and the lower sliding groove 19 and collides with the rubber block 25, the pressure generated by the collision is transmitted to the pressure sensor 24, the impact degree is measured, and the measured value is compared with the pre-measured qualified product, so that whether the product is qualified can be known.

[0026] The above embodiment of the utility model is explained in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A test fixture for a nitrogen spring, characterized in that: include: A base (1), the upper surface of the base (1) is fixedly connected with a support plate (5) and a working plate (20), the working plate (20) is located between the two support plates (5), the upper surface of the working plate (20) is provided with a lower slide groove (19), the side surface of the support plate (5) is fixedly connected with a connecting plate (6), the upper surface of the connecting plate (6) is fixedly connected with a hydraulic cylinder three (13), the output end of the hydraulic cylinder three (13) is fixedly connected with a pressure plate (17), the lower surface of the pressure plate (17) is provided with an upper slide groove (18), the upper slide groove (18) and the lower slide groove (19) are the same in position and size, the upper surface of the base (1) is fixedly connected with a fixed plate three (16), a plurality of pneumatic locking disks (21) are provided on the side surface of the fixed plate three (16), a fixed groove (23) is provided on the pneumatic locking disk (21), the radius and axis of the fixed groove (23) are the same as the radius and axis of the upper slide groove (18), a fixed plate two (10) is slidably connected to the base (1), a receiving groove two (26) is provided on the fixed plate two (10), the radius and axis of the receiving groove two (26) are the same as the radius and axis of the fixed groove (23), a pressure sensor (24) is fixedly connected in the receiving groove two (26), and a rubber block (25) is provided on the side surface of the pressure sensor (24).

2. A nitrogen spring test fixture according to claim 1, characterized in that: The side surface of the second fixing plate (10) is fixedly connected to the first fixing plate (9), and the first fixing plate (9) is provided with a receiving groove (14).

3. A nitrogen spring test fixture according to claim 2, characterized in that: The side surface of the fixed plate 1 (9) is fixedly connected to the hydraulic cylinder 2 (11), and the output end of the hydraulic cylinder 2 (11) is fixedly connected to the push block (15), and the push block (15) is located in the receiving groove 1 (14).

4. A nitrogen spring test fixture according to claim 3, characterized in that: The base (1) is provided with a movable groove (12), a slider (27) is slidably connected in the movable groove (12), and the slider (27) is fixedly connected to the lower surface of the fixed plate 1 (9) and the fixed plate 2 (10), and the fixed plate 1 (9) and the fixed plate 2 (10) have the same length.

5. The nitrogen spring test fixture according to claim 4, characterized in that: The upper surface of the base (1) is fixedly connected to a fixed block (2), the side surface of the fixed block (2) is fixedly connected to a hydraulic cylinder 1 (3), the output end of the hydraulic cylinder 1 (3) is fixedly connected to the side surface of the fixed plate 2 (10), and the distance between the fixed block (2) and the support plate (5) near the base (1) is equal to the sum of the lengths of the fixed plate 1 (9) and the fixed plate 2 (10).

6. The nitrogen spring test fixture according to claim 1, characterized in that: The side surface of the pneumatic locking disk (21) is fixedly connected to a branch pipe (22), and one end of a plurality of the branch pipes (22) away from the pneumatic locking disk (21) is fixedly connected to an air pipe (8).

7. The nitrogen spring test fixture according to claim 5, characterized in that: A baffle (7) is fixedly connected to the side surface of the base (1), and the baffle (7) is located at one end away from the fixed block (2). When the first fixed plate (9) is in contact with the side surface of the baffle (7), the second fixed plate (10) is located between the two support plates (5).

8. The nitrogen spring test fixture according to claim 7, characterized in that: A control cabinet (4) is fixedly connected to the upper surface of the base (1), and the control cabinet (4) is electrically connected to hydraulic cylinder 1 (3), hydraulic cylinder 2 (11), hydraulic cylinder 3 (13), a pneumatic locking plate (21), and a pressure sensor (24).

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