Hydraulic rubber hose connector pulling-out detection device

Abstract

The utility model relates to the field of hydraulic rubber hose connector detection, and discloses a hydraulic rubber hose connector pulling-out detection device which comprises a bottom plate, a fixing frame is fixedly connected to the top end of the bottom plate, a hydraulic cylinder is fixedly connected to the top of the fixing frame, and an oil pipe connecting seat is fixedly connected to the top of the bottom plate. A sample assembly is detachably connected to the top end of the oil pipe connecting seat, a connector is detachably connected to the top of the sample assembly, a force sensor is arranged at the top of the connector, a movable rod is fixedly connected to the top end of the force sensor, a fillet sliding groove is formed in the movable rod, and a pin shaft is arranged in the fillet sliding groove. According to the utility model, the connector and the hydraulic cylinder are separated by arranging the connecting piece and the connecting block, so that the position of the connector can be conveniently moved, and the sample assembly can be conveniently fixed on the connector and the oil pipe connecting seat, therefore, the hydraulic cylinder does not need to be started in advance to adjust the position, and the connection and the test are more convenient.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic hose joint detection, in particular to a hydraulic hose joint extraction detection device. Background Technique

[0002] The hydraulic hose joint is an indispensable component in the hydraulic system. It is mainly responsible for connecting between high-pressure oil pipes to ensure the normal operation of the hydraulic system. With the rapid development of technology, the application fields of steel wire reinforced high-pressure hoses continue to expand, and their quality is also constantly optimized. The requirements for the accuracy and stability of joint assembly are also increasing day by day. The assembly quality of rubber hoses has a significant impact on the working performance of the overall machinery. In actual applications, there are often problems such as unstable connection and detachment at the connection of rubber hoses, which may not only cause the failure of the hydraulic system but also, in extreme cases, even result in casualties.

[0003] Therefore, it is particularly urgent to improve the reliability and safety of rubber hose assembly and prevent such accidents from happening again. For this purpose, a hydraulic hose joint extraction detection device is needed to conduct strict pressure tests on rubber hose assemblies before leaving the factory to ensure their anti-extraction performance.

[0004] In the current detection equipment, one side of the connection seat of the hose joint is usually directly fixedly connected to the telescopic end of the hydraulic system. After fixing the hydraulic hose joint and the hydraulic pipe, the hydraulic cylinder is directly opened to conduct the extraction detection experiment. However, in actual use, in order to install hydraulic pipes of different lengths, it is usually necessary to first open the hydraulic cylinder to lower the connection component to a certain extent before the hydraulic hose joint can be successfully installed. The installation and removal processes of the hose joint are relatively cumbersome. Therefore, a hydraulic hose joint extraction detection device is proposed to solve the above problems. Content of the Utility Model

[0005] To make up for the above deficiencies, the utility model provides a hydraulic hose joint extraction detection device, aiming to improve the relatively cumbersome problems in the installation and removal processes of hose joints in the prior art.

[0006] To achieve the above object, the utility model adopts the following technical solutions: A hydraulic hose joint extraction detection device, including a bottom plate, a fixed frame is fixedly connected to the top end of the bottom plate, a hydraulic cylinder is fixedly connected to the top of the fixed frame, a tubing connection seat is fixedly connected to the top of the bottom plate, a sample assembly is detachably connected to the top end of the tubing connection seat, a connection head is detachably connected to the top of the sample assembly, a force sensor is arranged on the top of the connection head, a movable rod is fixedly connected to the top of the force sensor, a rounded chute is opened inside the movable rod, a pin shaft is arranged inside the rounded chute, a connection block is arranged on the outer periphery of the pin shaft, a support assembly is fixedly connected to the outer periphery of the connection block, a limit seat is fixedly connected to the outer periphery of the connection block, a sliding round block is elastically connected to the inner wall of the limit seat through a limit spring, and a limit assembly is fixedly connected to the inside of the sliding round block. The telescopic end of the bottom of the hydraulic cylinder is fixedly connected with a connecting piece, and an annular groove is opened on the outer periphery of the connecting piece.

[0007] As a further description of the above technical solution:

[0008] The support assembly includes a fixed ring, the fixed ring is fixedly connected to the outer periphery of the connection block inside, a connection column is fixedly connected to the back of the fixed ring, a threaded block is fixedly connected to the back of the connection column, sliding brackets are fixedly connected to both sides of the threaded block, a bolt is threadedly connected to the inside of the threaded block, a resisting block is fixedly connected to the front of the bolt, a sliding column is fixedly connected to the inner wall of the top end of the fixed frame, and a sliding card slot is opened on the back of the sliding column.

[0009] As a further description of the above technical solution:

[0010] The sample assembly includes hose joints, there are two groups of hose joints, the outer periphery of the bottom hose joint is detachably connected to the inside of the tubing connection seat, a hydraulic pipe is detachably connected between the two groups of hose joints, and the outer periphery of the top hose joint is detachably connected to the inside of the connection head.

[0011] As a further description of the above technical solution:

[0012] The connection block is slidably connected to the outer periphery of the movable rod.

[0013] As a further description of the above technical solution:

[0014] One end of the limit spring is fixedly connected to the inner wall of the limit seat, the other end of the limit spring is fixedly connected to the inner side of the sliding round block, and the outer periphery of the sliding round block is slidably connected to the inside of the limit seat.

[0015] As a further description of the above technical solution:

[0016] The limiting component includes a limiting rod, the outer periphery of the limiting rod is fixedly connected to the inside of the sliding circular block, and a limiting block is fixedly connected to the inner side of the limiting rod.

[0017] As a further description of the above technical solution:

[0018] The outer periphery of the limiting rod is slidably connected to the right side of the limiting seat, and the outer periphery of the limiting rod is slidably connected to the outer wall of the side surface of the connecting block.

[0019] As a further description of the above technical solution:

[0020] The top of the limiting block is provided with an inclined surface, the bottom of the connecting piece is spherical, the bottom surface of the connecting piece is in contact with the top inclined surface of the limiting block, and the outer periphery of the limiting block is clamped inside the annular groove.

[0021] As a further description of the above technical solution:

[0022] The bottom end of the sliding column is fixedly connected to the top end of the bottom plate, and the outer periphery of the sliding column is slidably connected to the inside of the connecting column.

[0023] As a further description of the above technical solution:

[0024] The inside of the sliding bracket is slidably connected to the outer periphery of the support column at the rear of the fixed frame, the outer periphery of the abutting block is slidably connected to the inside of the connecting column, and the front surface of the abutting block is abutted and connected to the inner wall of the back surface of the sliding card slot.

[0025] The utility model has the following beneficial effects:

[0026] 1. In the utility model, by setting the connecting piece and the connecting block, the connecting head can be separated from the hydraulic cylinder, which can facilitate the movement of the connecting head position. First, the sample assembly can be conveniently fixed on the connecting head and the oil pipe connecting seat, and then the hydraulic cylinder is started, so that the connecting piece enters the inside of the connecting block to automatically complete the connection and perform the detection. Therefore, it is not necessary to start the hydraulic cylinder in advance to adjust the position, and the connection and testing are more convenient.

[0027] 2. In the utility model, by setting the sliding bracket and the sliding rod, the position of the opening on the top of the connecting block is always kept opposite to the position of the connecting piece, and at the same time, the bolt can be rotated to fix the connecting block at a specified height, so as to facilitate the assembly of the sample assembly. Description of the drawings

[0028] Figure 1 It is a schematic front view of the whole of a hydraulic hose joint extraction detection device proposed by the utility model;

[0029] Figure 2 It is a schematic front sectional view of the connecting block of a hydraulic hose joint extraction detection device proposed by the utility model;

[0030] Figure 3 Front sectional view of the limit seat of a hydraulic hose joint extraction detection device proposed by the present utility model;

[0031] Figure 4 Left sectional view of the connecting column of a hydraulic hose joint extraction detection device proposed by the present utility model.

[0032] Legend:

[0033] 1. Base plate; 2. Fixed frame; 3. Hydraulic cylinder; 4. Oil pipe connection seat; 5. Hose joint; 6. Hydraulic pipe; 7. Connector; 8. Force sensor; 9. Movable rod; 10. Rounded chute; 11. Pin shaft; 12. Connecting block; 13. Limit seat; 14. Limit spring; 15. Sliding round block; 16. Limit rod; 17. Limit block; 18. Connector; 19. Ring groove; 20. Fixed ring; 21. Connecting column; 22. Threaded block; 23. Sliding bracket; 24. Bolt; 25. Block; 26. Sliding column; 27. Sliding card slot. Specific embodiments

[0034] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0035] Refer to Figures 1 - 3, an embodiment provided by the present utility model: a hydraulic hose joint extraction detection device, including a bottom plate 1 that plays a role in fixing and supporting, a fixing frame 2 that is fixedly connected to the top of the bottom plate 1 and plays a role in fixed connection, a hydraulic cylinder 3 that is fixedly connected to the top of the fixing frame 2. When the hydraulic cylinder 3 is opened, the telescopic end at the bottom of the hydraulic cylinder 3 will move up and down. A tubing connection seat 4 that plays a role in fixed connection is fixedly connected to the top of the bottom plate 1. A sample assembly to be tested for extraction performance is detachably connected to the top of the tubing connection seat 4. The sample assembly includes hose joints 5. There are two groups of hose joints 5, which are symmetrically arranged up and down. The outer periphery of the bottom hose joint 5 is detachably connected to the inside of the tubing connection seat 4 and is fixedly connected to the bottom. A hydraulic pipe 6 is detachably connected between the two groups of hose joints 5. A connection head 7 is detachably connected to the top of the sample assembly. The outer periphery of the top hose joint 5 is detachably connected to the inside of the connection head 7 and is connected to the top. A force sensor 8 is arranged at the top of the connection head 7. The force sensor 8 can detect the pulling force of the hydraulic cylinder 3 to obtain detection data. A movable rod 9 is fixedly connected to the top of the force sensor 8. A rounded corner chute 10 is opened inside the movable rod 9. A pin shaft 11 is arranged inside the rounded corner chute 10. The pin shaft 11 can slide up and down inside the rounded corner chute 10. When the pin shaft 11 is tightened, the pin shaft 11 will be stuck inside the rounded corner chute 10 and cannot slide up and down. A connection block 12 that plays a role in fixed connection is arranged on the outer periphery of the pin shaft 11. The inside of the connection block 12 is slidably connected to the outer periphery of the movable rod 9. A limit seat 13 is fixedly connected to the outer periphery of the connection block 12. There are two groups of limit seats 13, which are symmetrically arranged on the left and right sides of the limit seat 13.

[0036] Refer to Figures 1 - 3, a sliding round block 15 is elastically connected to the inner wall of the limit seat 13 through a limit spring 14. When the sliding round block 15 is not stressed, the limit spring 14 will push the sliding round block 15 inward. One end of the limit spring 14 is fixedly connected to the inner wall of the limit seat 13, and the other end of the limit spring 14 is fixedly connected to the inner side of the sliding round block 15. The outer circumference of the sliding round block 15 is slidably connected to the inside of the limit seat 13. The limit seat 13 restricts the sliding round block 15 to slide only left and right along the inner wall of the sliding round block 15. A limit component is fixedly connected inside the sliding round block 15. The limit component includes a limit rod 16. The outer circumference of the limit rod 16 is fixedly connected to the inside of the sliding round block 15. The outer circumference of the limit rod 16 is slidably connected to the right side of the limit seat 13. A pull rod for conveniently pulling the limit rod 16 is arranged on the outer side of the limit rod 16. The outer circumference of the limit rod 16 is slidably connected to the outer wall of the side surface of the connecting block 12. A limit block 17 for fixed connection is fixedly connected to the inner side of the limit rod 16. The bottom telescopic end of the hydraulic cylinder 3 is fixedly connected to a connecting piece 18. The top of the limit block 17 is provided with an inclined surface, and the bottom of the connecting piece 18 is set as a spherical surface. The bottom surface of the connecting piece 18 is in contact with the top inclined surface of the limit block 17. When receiving the force from the bottom of the upper connecting piece 18, the top inclined surface of the limit block 17 will partially convert the force into a force moving outward in the horizontal direction. An annular groove 19 is opened on the outer circumference of the connecting piece 18, and the outer circumference of the limit block 17 is clamped inside the annular groove 19, so that the connecting piece 18 is connected to the connecting block 12.

[0037] Referring to Figures 1 - 3 , the support component includes a fixed ring 20. The inside of the fixed ring 20 is fixedly connected to the outer circumference of the connecting block 12. A connecting column 21 for support connection is fixedly connected to the back of the fixed ring 20. A threaded block 22 is fixedly connected to the back of the connecting column 21. A set of sliding brackets 23 for connection support are respectively fixedly connected to the left and right sides of the threaded block 22. The inside of the sliding bracket 23 is slidably connected to the outer circumference of the rear support column of the fixed frame 2. By sliding the sliding bracket 23 up and down, the connecting block 12 can be driven to slide up and down through the connecting column 21. A bolt 24 is threadedly connected to the inside of the threaded block 22. By rotating the bolt 24, the bolt 24 can move back and forth along the inner wall of the threaded block 22. A resisting block 25 is fixedly connected to the front of the bolt 24. The outer circumference of the resisting block 25 is slidably connected to the inside of the connecting column 21. Multiple groups of grooves are opened on the front of the resisting block 25 to increase the friction force driven by the resisting block 25. A sliding column 26 is fixedly connected to the inner wall of the top end of the fixed frame 2. The bottom end of the sliding column 26 is fixedly connected to the top end of the bottom plate 1. The outer circumference of the sliding column 26 is slidably connected to the inside of the connecting column 21. The sliding column 26 restricts the connecting column 21 to slide only up and down along the outer wall of the sliding column 26. A sliding card slot 27 is opened on the back of the sliding column 26. The front of the resisting block 25 abuts and connects to the inner wall of the back of the sliding card slot 27, fixing the position of the connecting block 12.

[0038] Working principle: when you want to test the performance of the hose connector 5, first connect the hose connectors 5 at both ends of the test assembly to the threaded connection holes of the connector 7 and the oil pipe connector 4 respectively, so that the pipeline is in a vertical state, tighten the bolt 24, and then use the hydraulic system to drive the hydraulic cylinder 3 to move, and the telescopic end at the bottom of the hydraulic cylinder 3 moves downward, driving the connecting piece 18 to move downward, and the connecting piece 18 slides into the interior of the connecting block 12. When the spherical surface at the bottom end of the connecting piece 18 contacts the top inclined surface of the limit block 17, the connecting piece 18 squeezes the limit block 17 to both sides and compresses the limit spring 14. When the limit block 17 is located at the position of the annular groove 19, the limit block 17 is not subjected to force, and the limit spring 14 pushes the limit block 17 inward, so that the limit block 17 is stuck in the annular groove 19, so that the connecting piece 18 is connected to the connecting block 12 together. After the connection is completed, unscrew the bolt 24, and under the drive of the hydraulic cylinder 3, the connector 18 moves upward, and the hose connector 5 is pulled upward at the same time. The pulling force generated by the tension device must be equal to the rated pull-out force of the hose connector 5, and the tension sensor 8 is used for tension detection. Keep it under the rated tension for three minutes. If the hose connector 5 is pulled off from the hydraulic pipe 6, the hose pull-out force performance is unqualified, otherwise, it is considered to be qualified. When you want to conveniently adjust the position of the connecting block 12, turn the bolt 24, the bolt 24 moves backward along the inner wall of the threaded block 22, and at the same time, the bolt 24 drives the block 25 to move backward and disengage from the sliding slot 27. At this time, the connecting block 12 can be moved up and down, which is convenient for assembling the sample assembly, and the sliding bracket 23 can ensure that the top opening of the connecting block 12 is always relative to the bottom connector 18 of the hydraulic cylinder 3.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydraulic hose joint pull-out detection device, comprising a base plate (1), characterized in that: The top of the base plate (1) is fixedly connected to a fixing frame (2), the top of the fixing frame (2) is fixedly connected to a hydraulic cylinder (3), the top of the base plate (1) is fixedly connected to an oil pipe connection seat (4), the top of the oil pipe connection seat (4) is detachably connected to a sample assembly, the top of the sample assembly is detachably connected to a connector (7), a force sensor (8) is arranged on the top of the connector (7), a movable rod (9) is fixedly connected to the top of the force sensor (8), a rounded corner slide groove (10) is provided inside the movable rod (9), and the rounded corner slide groove (10) is provided on the top of the movable rod (9). 0) is provided with a pin shaft (11) inside, a connecting block (12) is provided on the periphery of the pin shaft (11), a supporting assembly is fixedly connected to the periphery of the connecting block (12), a limiting seat (13) is fixedly connected to the periphery of the connecting block (12), a sliding round block (15) is elastically connected to the inner wall of the limiting seat (13) through a limiting spring (14), the limiting assembly is fixedly connected to the inside of the sliding round block (15), a connecting piece (18) is fixedly connected to the telescopic end at the bottom of the hydraulic cylinder (3), and an annular groove (19) is provided on the periphery of the connecting piece (18).

2. A hydraulic hose joint pull-out detection device according to claim 1, characterized in that: The support assembly comprises a fixing ring (20), the fixing ring (20) is fixedly connected to the outer periphery of the connecting block (12) inside, the fixing ring (20) is fixedly connected to a connecting column (21) on the back side, the connecting column (21) is fixedly connected to a threaded block (22) on the back side, the threaded block (22) is fixedly connected to sliding brackets (23) on both sides, the threaded block (22) is internally threadedly connected to a bolt (24), the bolt (24) is fixedly connected to a stop block (25) on the front side, the top inner wall of the fixing frame (2) is fixedly connected to a sliding column (26), and the back side of the sliding column (26) is provided with a sliding slot (27).

3. A hydraulic hose joint pull-out detection device according to claim 1, characterized in that: The sample assembly comprises a hose joint (5), wherein the hose joint (5) is provided in two groups, wherein the outer periphery of the bottom hose joint (5) is detachably connected to the inside of an oil pipe connection seat (4), a hydraulic pipe (6) is detachably connected between the two groups of hose joints (5), and the outer periphery of the top hose joint (5) is detachably connected to the inside of a connection head (7).

4. A hydraulic hose joint pull-out detection device according to claim 1, characterized in that: The connection block (12) is internally slidably connected to the outer periphery of the movable rod (9).

5. A hydraulic hose joint pull-out detection device according to claim 1, characterized in that: One end of the limit spring (14) is fixedly connected to the inner wall of the limit seat (13), and the other end of the limit spring (14) is fixedly connected to the inner side of the sliding round block (15). The outer periphery of the sliding round block (15) is slidably connected to the inside of the limit seat (13).

6. A hydraulic hose joint pull-out detection device according to claim 1, characterized in that: The limiting assembly comprises a limiting rod (16), the outer periphery of the limiting rod (16) is fixedly connected to the inside of the sliding round block (15), and the inner side of the limiting rod (16) is fixedly connected to a limiting clamping block (17).

7. A hydraulic hose joint pull-out detection device according to claim 6, characterized in that: The outer periphery of the limiting rod (16) is slidably connected to the right side of the limiting seat (13), and the outer periphery of the limiting rod (16) is slidably connected to the side outer wall of the connecting block (12).

8. A hydraulic hose joint pull-out detection device according to claim 6, characterized in that: The top of the limit block (17) is provided with an inclined surface, the bottom of the connecting piece (18) is provided with a spherical surface, the bottom surface of the connecting piece (18) contacts the top inclined surface of the limit block (17), and the outer periphery of the limit block (17) is clamped in the interior of the annular groove (19).

9. A hydraulic hose joint pull-out detection device according to claim 2, characterized in that: The bottom end of the sliding column (26) is fixedly connected to the top end of the bottom plate (1), and the outer periphery of the sliding column (26) is slidably connected to the inside of the connecting column (21).

10. A hydraulic hose joint pull-out detection device according to claim 2, characterized in that: The interior of the sliding bracket (23) is slidably connected to the outer periphery of the rear support column of the fixing frame (2), the outer periphery of the stop block (25) is slidably connected to the interior of the connecting column (21), and the front face of the stop block (25) is abutted against the back inner wall of the sliding slot (27).

Images