Oil cylinder hydraulic pipeline pressure monitoring equipment

By designing the connector and pore structure of different pipe diameters, combined with the sealing measures of the rubber blocks and the pores, the problem of leakage of the hydraulic pipe pressure monitoring equipment when monitoring different pipe diameter parts is solved, and the accuracy of the monitoring results is improved sex.

CN222415517UActive Publication Date: 2025-01-28CHANGZHOU HEZHUO ELECTROMECHANICAL TECH CO LTD
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Patent Information

Application Number
CN202421219511.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-01-28
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

When monitoring pipe fittings of different pipe diameters, existing cylinder hydraulic pipeline pressure monitoring equipment is prone to fluid leakage problems, resulting in inaccurate monitoring results.

Method used

The pressure monitoring equipment of the oil cylinder hydraulic pipeline is designed. The installation board and fixed block structure are adopted. The combinations of multiple connections and pores are adapted to adapt to the pipes of different pipe diameters. , Make sure you seal.

Benefits of technology

The device can effectively reduce the problem of leakage caused by the non -tight connection of the pipe parts, improve the accuracy of the monitoring results, and reduce the impact of gas in the pipeline on pressure monitoring results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of pipe fitting pressure detection, and particularly relates to oil cylinder hydraulic pipeline pressure monitoring equipment which comprises a mounting plate. A hydraulic cylinder is fixedly connected to the side wall of the mounting plate; the side wall of the mounting plate is fixedly connected with a piston cylinder; the output end of the hydraulic cylinder is fixedly connected with a piston of the piston cylinder; the output end of the piston cylinder is fixedly connected with a connecting pipe; the middle part of the connecting pipe is fixedly connected with a hydraulic monitor; a fixed block is fixed on the side wall of the mounting plate; a plurality of connecting ports are fixedly connected to the bottom of the fixing block; the external diameters of the plurality of connecting ports are different from each other; a plurality of through holes are formed in the middle of the fixing block; the diameter of one end of the through hole far away from the connector is smaller than that of one end close to the connector; the plurality of through holes are respectively communicated with the plurality of connecting ports; by means of the structure, pressure monitoring can be conveniently conducted on pipe fittings with different pipe diameters, and the situation that the monitoring result is inaccurate due to liquid leakage caused by untight connection of the end portions of the pipe fittings is reduced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of pipe fitting pressure detection, in particular to a device for monitoring the pressure of a cylinder hydraulic pipeline. Background Art

[0002] The cylinder hydraulic pipeline is a pipe used to transport hydraulic oil in the cylinder hydraulic system. It needs to have sufficient pressure-bearing capacity to prevent the pipeline from bursting when the cylinder is running.

[0003] After the production of cylinder hydraulic pipe fittings is completed, a monitoring device is needed to monitor the pressure bearing capacity of the pipe fittings. By sealing one end of the pipe fitting and then injecting liquid from the other end, the water pressure in the pipe fitting is gradually increased. After the water pressure reaches a certain value, it is continuously monitored for a period of time to ensure that the quality of the pipe fittings meets the standards. However, when using a pressure monitoring device to monitor the pressure bearing capacity of the pipe fittings, due to the different diameters of different pipe fittings, leakage is likely to occur when the non-liquid injection end of the pipe fitting is sealed, thereby affecting the pressure monitoring results of the pipe fittings.

[0004] To this end, the utility model provides a cylinder hydraulic pipeline pressure monitoring device. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes an oil cylinder hydraulic pipeline pressure monitoring device, comprising a mounting plate; a hydraulic cylinder is fixedly connected to the side wall of the mounting plate; a piston cylinder is fixedly connected to the side wall of the mounting plate; the output end of the hydraulic cylinder is fixedly connected to the piston of the piston cylinder; a connecting pipe is fixedly connected to the output end of the piston cylinder; a hydraulic monitor is fixedly connected to the middle part of the connecting pipe; the side wall of the mounting plate has an inherent fixing block; a plurality of connecting ports are fixedly connected to the bottom of the fixing block; the outer diameters of the plurality of connecting ports are different; through the above structure, the pressure of pipe fittings with different diameters can be conveniently monitored, thereby reducing the occurrence of inaccurate monitoring results caused by leakage due to loose connections at the ends of the pipe fittings.

[0007] Preferably, a plurality of through holes are provided in the middle of the fixed block; the diameter of the through hole at one end away from the connection port is smaller than the diameter of the end close to the connection port; the plurality of through holes are respectively connected to the plurality of connection ports; a rubber block is slidably connected to the middle of the through hole; a plurality of air holes are provided in the middle of the rubber block; a round block is fixedly connected to one end of the rubber block facing the connection port; through the above structure, the influence of the gas in the pipe fitting on the pressure monitoring result of the pipe fitting can be reduced.

[0008] Preferably, a blocking plate is fixedly connected to the top of the fixed block; the blocking plate surrounds the ends of multiple through holes; a liquid collecting tank is opened on the top of the fixed block; multiple partitions are fixedly connected to the top of the fixed block; the multiple partitions are respectively arranged between the ends of a pair of adjacent through holes; through the above structure, the occurrence of oil splashing can be reduced, and the overflowed oil can be collected to reduce the occurrence of oil waste.

[0009] Preferably, a liquid collecting box is detachably mounted in the middle of the liquid collecting tank; a handle is fixedly connected to the middle of the liquid collecting box; through the above structure, the overflowed oil can be collected and transferred more conveniently.

[0010] Preferably, a protective cover is hinged on the side wall of the mounting plate; a fixing groove is provided in the middle of the protective cover; and a limiting rod is slidably connected to the middle of the fixing block. Through the above structure, the damage to surrounding objects caused by disconnection and flying due to excessive pressure at the pipe connection is reduced, and the impact of oil splashing on the surrounding environment is reduced.

[0011] Preferably, a collecting box is detachably mounted on the bottom of the mounting plate; a drainage groove is provided at the bottom of the mounting plate; through the above structure, the scattered oil can be recovered after the pipe connection is disconnected, further reducing the waste of oil.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model describes a cylinder hydraulic pipeline pressure monitoring device, which connects one end of the pipe to be monitored with the connecting pipe, and connects the other end with the connecting port of the corresponding diameter according to the inner diameter of the pipe, thereby reducing the occurrence of inaccurate monitoring results caused by leakage due to loose connection at the end of the pipe.

[0014] 2. The utility model discloses a cylinder hydraulic pipeline pressure monitoring device, which discharges the gas in the pipe through the through hole, and then the rubber block moves under the action of hydraulic pressure to complete the sealing, thereby reducing the influence of the gas in the pipe on the pressure monitoring result of the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the rubber block in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the pores in the utility model;

[0019] Figure 4It is a structural schematic diagram of the limiting rod in the utility model;

[0020] Figure 5 It is a structural schematic diagram of the elastic rod in the utility model;

[0021] In the figure: 1. mounting plate; 12. hydraulic cylinder; 13. piston cylinder; 14. connecting pipe; 15. hydraulic monitor; 16. fixing block; 17. connecting port; 2. through hole; 21. rubber block; 22. air hole; 23. round block; 3. blocking plate; 31. liquid collecting tank; 32. partition; 4. liquid collecting box; 41. handle; 5. protective cover; 51. fixing groove; 52. limiting rod; 6. collecting box; 61. drain tank; 7. elastic rod; 71. ball head. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figures 1 to 4 As shown, a hydraulic cylinder hydraulic pipeline pressure monitoring device according to an embodiment of the utility model comprises a mounting plate 1; a hydraulic cylinder 12 is fixedly connected to the side wall of the mounting plate 1; a piston cylinder 13 is fixedly connected to the side wall of the mounting plate 1; the output end of the hydraulic cylinder 12 is fixedly connected to the piston of the piston cylinder 13; a connecting pipe 14 is fixedly connected to the output end of the piston cylinder 13; a hydraulic monitor 15 is fixedly connected to the middle of the connecting pipe 14; a fixed block 16 is inherently provided on the side wall of the mounting plate 1; a plurality of connecting ports 17 are fixedly connected to the bottom of the fixing block 16; the outer diameters of the plurality of connecting ports 17 are different The same; when working, one end of the pipe fitting that needs to be pressure monitored is connected to the connecting pipe 14, and the other end is connected to the corresponding connecting port 17 according to the diameter size, and then the hydraulic cylinder 12 is started to squeeze the oil inside the rodless cavity of the piston cylinder 13 into the pipe fitting, so that pressure is generated inside the pipe fitting, and then the pressure in the pipe fitting is monitored by the hydraulic monitor 15, so as to monitor the pressure bearing capacity of the pipe fitting. Through the above structure, pressure monitoring can be performed on pipe fittings of different diameters, reducing the occurrence of inaccurate monitoring results caused by leakage due to loose connection at the ends of the pipe fittings.

[0024] like Figures 1 to 3As shown, a plurality of through holes 2 are provided in the middle of the fixed block 16; the diameter of one end of the through hole 2 away from the connection port 17 is smaller than the diameter of the other end close to the connection port 17; the plurality of through holes 2 are respectively connected with the plurality of connection ports 17; a rubber block 21 is slidably connected in the middle of the through hole 2; a plurality of air holes 22 are provided in the middle of the rubber block 21; a round block 23 is fixedly connected to one end of the rubber block 21 facing the connection port 17; during operation, the oil inside the piston cylinder 13 will be squeezed into the interior of the monitored pipe fitting, and then the gas in the pipe fitting will be discharged through the through hole 2, when the liquid level in the pipe fitting reaches the position of the rubber block 21, the rubber block 21 will be pushed to move toward the narrow end of the through hole 2, and then the rubber block 21 will fit with the narrow end of the through hole 2, thereby forming a seal, and the setting of the round block 23 can enable the gas to enter the air hole 22 from around the round block 23 and then be discharged, thereby reducing the residual gas inside the pipe fitting. Through the above structure, the influence of the gas in the pipe fitting on the pressure monitoring result of the pipe fitting can be reduced.

[0025] like Figures 1 to 4 As shown, a blocking plate 3 is fixedly connected to the top of the fixed block 16; the blocking plate 3 surrounds the ends of multiple through holes 2; a liquid collecting tank 31 is opened on the top of the fixed block 16; a plurality of partitions 32 are fixedly connected to the top of the fixed block 16; the multiple partitions 32 are respectively arranged between the ends of a pair of adjacent through holes 2; during operation, when the gas in the pipe is exhausted, part of the oil will spray out from the end of the through hole 2, then be blocked by the blocking plate 3, and finally flow to the inside of the liquid collecting tank 31. Through the above structure, the splashing of oil can be reduced, and the overflowed oil can be collected to reduce the waste of oil.

[0026] like Figure 1 to Figure 2 As shown, a liquid collecting box 4 is detachably mounted in the middle of the liquid collecting tank 31 ; a handle 41 is fixedly connected to the middle of the liquid collecting box 4 ; through the above structure, the overflowed oil can be collected and transferred more conveniently.

[0027] like Figures 1 to 4 As shown, the side wall of the mounting plate 1 is hinged with a protective cover 5; a fixing groove 51 is provided in the middle of the protective cover 5; the middle of the fixing block 16 is slidably connected with a limiting rod 52; when working, the protective cover 5 is rotated to cover the side wall of the mounting plate 1, and the limiting rod 52 is inserted into the fixing groove 51 to complete the limiting of the protective cover 5, thereby reducing the damage to surrounding objects caused by disconnection and flying of the pipe connection due to excessive pressure during pressure testing, and reducing the impact of oil splashing on the surrounding environment.

[0028] like Figures 1 to 5As shown, a collecting box 6 is detachably mounted on the bottom of the mounting plate 1; a drainage groove 61 is provided at the bottom of the mounting plate 1; through the above structure, the scattered oil can be recovered after the pipe connection is disconnected, further reducing the waste of oil.

[0029] like Figure 5 As shown, the side wall of the mounting plate 1 is fixedly connected with an elastic rod 7; the other end of the elastic rod 7 is fixedly connected with a ball head 71; during operation, oil is squeezed into the interior of the pipe fitting, and then the ball head 71 is pulled and released to cause the ball head 71 to collide with the mounting plate 1, and the bubbles attached to the inner wall of the pipe fitting are shaken off by the vibration generated by the collision, thereby further reducing the residual gas in the pipe fitting, thereby further reducing the influence of the gas on the pressure monitoring result of the pipe fitting.

[0030] During operation, one end of the pipe that needs to be pressure monitored is connected to the connecting pipe 14, and the other end is connected to the corresponding connecting port 17 according to the diameter. Then, the hydraulic cylinder 12 is started to squeeze the oil in the rodless cavity of the piston cylinder 13 into the pipe, so that pressure is generated inside the pipe. Then, the pressure in the pipe is monitored by the hydraulic monitor 15. The oil in the piston cylinder 13 will be squeezed into the monitored pipe, and then the gas in the pipe will be discharged through the through hole 2. When the liquid level in the pipe reaches the position of the rubber block 21, it will push the rubber block 21 toward the through hole. 2 is moved, and then the rubber block 21 will fit with the narrow end of the through hole 2 to form a seal. When the gas in the pipe is exhausted, some oil will be sprayed out from the end of the through hole 2, and then blocked by the blocking plate 3, and finally flow to the inside of the collecting tank 31. The protective cover 5 is rotated to cover the side wall of the mounting plate 1, and the limiting rod 52 is inserted into the inside of the fixing groove 51 to complete the limiting of the protective cover 5, and the oil is squeezed into the inside of the pipe. Then, the ball head 71 is pulled and released to make the ball head 71 collide with the mounting plate 1, and the bubbles attached to the inner wall of the pipe are shaken off by the vibration generated by the collision.

[0031] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cylinder hydraulic line pressure monitoring device, comprising a mounting plate (1); characterized in that: A hydraulic cylinder (12) is fixedly connected to the side wall of the mounting plate (1); a piston cylinder (13) is fixedly connected to the side wall of the mounting plate (1); the output end of the hydraulic cylinder (12) is fixedly connected to the piston of the piston cylinder (13); the output end of the piston cylinder (13) is fixedly connected to a connecting pipe (14); the middle of the connecting pipe (14) is fixedly connected to a hydraulic monitoring instrument (15); a fixed block (16) is inherently provided on the side wall of the mounting plate (1); a plurality of connecting ports (17) are fixedly connected to the bottom of the fixing block (16); the outer diameters of the plurality of connecting ports (17) are different.

2. The oil cylinder hydraulic pipeline pressure monitoring device according to claim 1 is characterized in that: A plurality of through holes (2) are provided in the middle of the fixing block (16); the diameter of the end of the through hole (2) away from the connection port (17) is smaller than the diameter of the end close to the connection port (17); the plurality of through holes (2) are respectively connected to the plurality of connection ports (17); a rubber block (21) is slidably connected to the middle of the through hole (2); a plurality of air holes (22) are provided in the middle of the rubber block (21); and a round block (23) is fixedly connected to one end of the rubber block (21) facing the connection port (17).

3. The oil cylinder hydraulic line pressure monitoring device according to claim 2 is characterized in that: A blocking plate (3) is fixedly connected to the top of the fixed block (16); the blocking plate (3) surrounds the ends of the plurality of through holes (2); a liquid collecting tank (31) is provided on the top of the fixed block (16); a plurality of partition plates (32) are fixedly connected to the top of the fixed block (16); the plurality of partition plates (32) are respectively arranged between the ends of a pair of adjacent through holes (2).

4. The oil cylinder hydraulic pipeline pressure monitoring device according to claim 3 is characterized in that: A liquid collecting box (4) is detachably mounted in the middle of the liquid collecting tank (31); and a handle (41) is fixedly connected to the middle of the liquid collecting box (4).

5. The oil cylinder hydraulic pipeline pressure monitoring device according to claim 4 is characterized in that: A protective cover (5) is hingedly connected to the side wall of the mounting plate (1); a fixing groove (51) is provided in the middle of the protective cover (5); and a limiting rod (52) is slidably connected to the middle of the fixing block (16).

6. The oil cylinder hydraulic line pressure monitoring device according to claim 5, characterized in that: A collecting box (6) is detachably mounted on the bottom of the mounting plate (1); and a liquid drainage groove (61) is provided on the bottom of the mounting plate (1).