Hydraulic pipe sealing performance detection device

Abstract

The utility model belongs to the technical field of hydraulic pipe detection, and discloses a hydraulic pipe sealing performance detection device, which comprises a water tank and a bearing structure, and is characterized in that a vertical plate is arranged at the top of the water tank, a top plate is arranged at the top of the vertical plate, and a driving structure and an air conveying structure are arranged on the top plate; the bearing structure comprises an adjusting frame, a double-shaft motor, an adjusting plate and a fixing cylinder, the adjusting frame is connected with the driving structure, a bearing is arranged on the inner wall of the adjusting frame, the double-shaft motor is arranged in the adjusting frame, and rotating studs are arranged on the two sides of the double-shaft motor. According to the utility model, the corresponding fixing cylinders are selected according to different outer diameters of the hydraulic pipes, the universality of the sealing performance detection device can be improved, and the sealing performance of the hydraulic pipes in the fixing cylinders can be improved, so that the accuracy of the sealing performance detection result of the hydraulic pipes can be improved; the disassembly and assembly efficiency of the fixing cylinder can be improved, and the stability of the fixing cylinder after installation can also be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic pipe production technical field, concretely is a kind of hydraulic pipe sealing detection device. BACKGROUND

[0002] Hydraulic pipe is called hydraulic pipe because it is a kind of pipe for transmitting hydraulic pressure, it has hard pipe and hose, among them, hard pipe is mainly seamless steel pipe, and hose is pipe formed by bending layered steel wire mesh and rubber together, due to the particularity of its use, the sealing requirement of hydraulic pipe is extremely high, in production process, people often use sealing detection device to detect.

[0003] Patent with application number 202323482585.9 discloses a kind of hydraulic rubber tube air-tightness detection device, it solves the problems of big labor intensity of test worker, and low test efficiency, high test cost, but it exists the problems of not being able to simultaneously carry out sealing detection to multiple hydraulic pipes once, poor stability of hydraulic pipe in detection process, and low detection result accuracy.

[0004] Therefore, the applicant proposes a kind of hydraulic pipe sealing detection device. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the problems of not being able to simultaneously carry out sealing detection to multiple hydraulic pipes once, poor stability of hydraulic pipe in detection process, and low detection result accuracy of existing hydraulic pipe sealing detection device, provide a kind of hydraulic pipe sealing detection device, which has reasonable structure design, can simultaneously carry out sealing detection to multiple hydraulic pipes once, has good versatility, good stability of hydraulic pipe in detection process, and high detection result accuracy.

[0006] The technical scheme adopted by the technical problem solved by the utility model is as follows:

[0007] The utility model provides a kind of hydraulic pipe sealing detection device, including water tank, bearing structure, the water tank top is provided with vertical board, top plate is set on the vertical board top, and drive structure, air conveying structure are set on the top plate, the bearing structure includes adjusting frame, double-shaft motor, adjusting plate, fixed cylinder, and double-shaft motor is set as servo motor, the adjusting frame is connected with drive structure, bearing is set on the adjusting frame inner wall, the double-shaft motor is set in adjusting frame, rotating stud is set on the both sides of double-shaft motor, and one end of rotating stud is inserted into bearing, adjusting frame is vertically moved under the action of drive structure, so that the fixed hydraulic pipe enters the water in water tank, air flow is blown into the hydraulic pipe by air conveying structure, the air pressure in the hydraulic pipe is improved, whether the hydraulic pipe in water has bubble to emerge is observed, the air tightness of the hydraulic pipe is detected and handled, the adjusting plate is vertically through the adjusting frame bottom, connecting screw ring is set on the adjusting plate top, the adjusting plate is communicated with air conveying structure, and connecting screw ring is sleeved on rotating stud, the fixed cylinder is installed on the adjusting plate, double-shaft motor drives rotating stud to rotate forward or reversely, rotating stud drives connecting screw ring to move back and forth, so as to drive adjusting plate and fixed cylinder installed on adjusting plate to move, so as to adjust the distance between fixed cylinder and fixed cylinder, the air tightness of hydraulic pipe of different lengths can be detected, the versatility of sealing detection device is improved, both ends of the hydraulic pipe needing to be sealed are inserted into fixed cylinder, the air tightness between hydraulic pipe and fixed cylinder is improved, the air tightness of the fixed hydraulic pipe is detected and handled, a plurality of fixed cylinders are set on the adjusting plate, the air tightness of multiple hydraulic pipes can be detected simultaneously, the air tightness detection efficiency of hydraulic pipe is improved.

[0008] As preferred, the drive structure includes a hydraulic cylinder, the hydraulic cylinder is arranged on the top plate, a piston rod is arranged on the hydraulic cylinder, and the piston rod is connected with the top of the adjusting frame, the adjusting frame is vertically moved under the action of the drive structure, so that the fixed hydraulic pipe enters the water in the water tank, the sealing of the hydraulic pipe is detected and handled, after the sealing detection of the hydraulic pipe is completed, the adjusting frame drives the sealed hydraulic pipe to rise under the action of the hydraulic cylinder, so that the hydraulic pipe is removed from the water tank, and the detected hydraulic pipe is conveniently taken out from the fixed cylinder.

[0009] As preferred, the air conveying structure includes a blower, the blower is arranged on the top plate, an air conveying pipe is arranged on the blower, an inner cavity is arranged in the adjusting plate, a connecting pipe is arranged on the top of the adjusting plate and communicated with the inner cavity, and the connecting pipe is connected with the air conveying pipe, the blower blows air flow into the inner cavity of the adjusting plate through the air conveying pipe and the connecting pipe, the air flow in the inner cavity flows into the hydraulic pipe through the fixed cylinder, the air pressure in the hydraulic pipe is improved, the hydraulic pipe is pushed down into the water, whether the hydraulic pipe in the water has bubble to emerge is observed, and the air tightness of the hydraulic pipe is detected and handled.

[0010] As preferred, the bottom of the adjusting frame on both sides of the double-shaft motor is provided with a fixing groove, a limiting groove is arranged on the inner wall of the opposite sides of the fixing groove, the adjusting plate vertically penetrates through the fixing groove, a limiting rod is arranged on the outer wall of the adjusting plate and is inserted into the limiting groove, the double-shaft motor drives the rotating stud to rotate forward or reversely, the rotating stud pushes the connecting ring to move back and forth, thereby driving the adjusting plate and the fixing cylinder mounted on the adjusting plate to move, the adjusting plate moves back and forth in the fixing groove, and the limiting rod on the adjusting plate moves back and forth in the limiting groove, so that the adjusting plate during the adjusting process is limited, the adjusting plate is prevented from rotating with the rotating stud, and the stability of the adjusting plate during the adjusting position process is improved.

[0011] As preferred, the fixing cylinder is provided with a ventilation pipe, the fixing cylinder and the adjusting plate are connected through threads, one end of the ventilation pipe extends into the inner cavity, and the fixing cylinder is arranged to be replaceable on the adjusting plate, the air blower blows air into the inner cavity of the adjusting plate through the air conveying pipe and the connecting pipe, the air in the inner cavity flows into the hydraulic pipe through the fixing cylinder, the air pressure in the hydraulic pipe is increased, the sealing property of the hydraulic pipe is facilitated to be detected and handled, corresponding fixing cylinders are selected according to different outer diameters of the hydraulic pipe, the universality of the sealing detection device is improved, and the sealing property of the hydraulic pipe in the fixing cylinder is improved, so that the accuracy of the sealing property inspection result of the hydraulic pipe is improved, the fixing cylinder and the adjusting plate are connected through threads, the dismounting efficiency of the fixing cylinder is improved, and the stability of the fixing cylinder after installation is improved.

[0012] As preferred, the fixing cylinder is provided with a ventilation pipe, the fixing cylinder and the adjusting plate are connected through threads, one end of the ventilation pipe extends into the inner cavity, and the fixing cylinder is arranged to be replaceable on the adjusting plate, the air blower blows air into the inner cavity of the adjusting plate through the air conveying pipe and the connecting pipe, the air in the inner cavity flows into the hydraulic pipe through the fixing cylinder, the air pressure in the hydraulic pipe is increased, the sealing property of the hydraulic pipe is facilitated to be detected and handled, corresponding fixing cylinders are selected according to different outer diameters of the hydraulic pipe, the universality of the sealing detection device is improved, and the sealing property of the hydraulic pipe in the fixing cylinder is improved, so that the accuracy of the sealing property inspection result of the hydraulic pipe is improved, the fixing cylinder and the adjusting plate are connected through threads, the dismounting efficiency of the fixing cylinder is improved, and the stability of the fixing cylinder after installation is improved.

[0013] As preferred, the fixing cylinder is provided with a ventilation pipe, the fixing cylinder and the adjusting plate are connected through threads, one end of the ventilation pipe extends into the inner cavity, and the fixing cylinder is arranged to be replaceable on the adjusting plate, the air blower blows air into the inner cavity of the adjusting plate through the air conveying pipe and the connecting pipe, the air in the inner cavity flows into the hydraulic pipe through the fixing cylinder, the air pressure in the hydraulic pipe is increased, the sealing property of the hydraulic pipe is facilitated to be detected and handled, corresponding fixing cylinders are selected according to different outer diameters of the hydraulic pipe, the universality of the sealing detection device is improved, and the sealing property of the hydraulic pipe in the fixing cylinder is improved, so that the accuracy of the sealing property inspection result of the hydraulic pipe is improved, the fixing cylinder and the adjusting plate are connected through threads, the dismounting efficiency of the fixing cylinder is improved, and the stability of the fixing cylinder after installation is improved.

[0014] Advantages:

[0015] 1. The rotating stud pushes the connecting ring to move back and forth, so as to drive the adjusting plate and the fixing cylinder mounted on the adjusting plate to move, thereby adjusting the distance between the fixing cylinders, the length of the hydraulic pipe can be sealed and detected, the universality of the sealing detection device is improved, the both ends of the hydraulic pipe needing sealing detection are inserted into the fixing cylinder, the sealing between the hydraulic pipe and the fixing cylinder is improved, the sealing detection of the fixed hydraulic pipe is carried out, a plurality of fixing cylinders are arranged on the adjusting plate, the air tightness of the plurality of hydraulic pipes can be detected at the same time, and the air tightness detection efficiency of the hydraulic pipe is improved.

[0016] 2. According to the outer diameter of the hydraulic pipe, the corresponding fixing cylinder is selected, the universality of the sealing detection device is improved, and the sealing of the hydraulic pipe in the fixing cylinder is improved, so that the accuracy of the sealing inspection result of the hydraulic pipe is improved, the fixing cylinder and the adjusting plate are connected through threads, the disassembly and assembly efficiency of the fixing cylinder is improved, and the stability of the fixing cylinder after installation is improved.

[0017] 3. The bottom end of the spring is arranged on the fixed plate, the fixed groove and the fixed cylinder are arranged in one-to-one corresponding structure, the both ends of the hydraulic pipe are inserted into the fixed cylinder, the hydraulic pipe is placed in the fixed groove, the hydraulic pipe presses the supporting block downward, the supporting block compresses the spring downward, the compressed spring rebounds upward to push the supporting block, the supporting block supports the hydraulic pipe upward, the hydraulic pipe is placed in the fixed groove, the hydraulic pipe can be limited, the rolling of the hydraulic pipe on the supporting block is avoided, and the stability of the hydraulic pipe is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 It is a part of the structure schematic diagram of the utility model, and the connection structure of the double-shaft motor and the adjusting plate is shown.

[0020] Figure 3 It is a part of the structure schematic diagram of the utility model, and the connection structure of the adjusting plate and the fixed cylinder is shown.

[0021] Figure 4 It is a part of the structure schematic diagram of the utility model, and the connection structure of the fixed cylinder and the air pipe is shown.

[0022] Figure 5 It is a part of the structure schematic diagram of the utility model, and the connection structure of the fixed plate and the supporting block is shown.

[0023] Figure 6 It is another embodiment structure schematic diagram of the utility model.

[0024] Figure 7 It is another embodiment structure schematic diagram of the utility model Figure 6A partial structural diagram of FIG. 1 is shown, illustrating the connection structure between the vent pipe and the sealing layer.

[0025] In the figure: 1. water tank, 2. vertical plate, 3. top plate, 4. hydraulic cylinder, 5. blower, 6. adjustment frame, 7. piston rod, 8. air duct, 9. dual-axis motor, 10. adjustment plate, 11. bearing, 12. fixing groove, 13. limiting groove, 14. rotating stud, 15. connecting screw ring, 16. inner cavity, 17. fixing cylinder, 18. ventilation pipe, 19. connecting pipe, 20. limiting rod, 21. fixing plate, 22. support block, 23. sleeve, 24. bracket, 25. spring, 26. sealing layer. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0028] Example 1:

[0029] As attached Figures 1-5 As shown, a hydraulic pipe sealing detection device includes a water tank 1 and a bearing structure. A vertical plate 2 is provided on the top of the water tank 1, a top plate 3 is provided on the top of the vertical plate 2, and a driving structure and an air supply structure are provided on the top plate 3. The bearing structure includes an adjustment frame 6, a dual-axis motor 9, an adjustment plate 10, and a fixed cylinder 17. The dual-axis motor 9 is set as a servo motor. The adjustment frame 6 is connected to the driving structure, a bearing 11 is provided on the inner wall of the adjustment frame 6, the dual-axis motor 9 is arranged in the adjustment frame 6, and rotating studs 14 are provided on both sides of the dual-axis motor 9, and one end of the rotating stud 14 is inserted into the bearing 11. The adjustment plate 10 vertically passes through the bottom of the adjustment frame 6, and a connecting screw ring 15 is provided on the top of the adjustment plate 10 to connect the adjustment plate 10 with the air supply structure, and the connecting screw ring 15 is sleeved on the rotating stud 14. The fixed cylinder 17 is installed on the adjustment plate 10.

[0030] The driving structure includes a hydraulic cylinder 4 , which is arranged on the top plate 3 . A piston rod 7 is provided on the hydraulic cylinder 4 , and the piston rod 7 is connected to the top of the adjustment frame 6 .

[0031] Among them, the air supply structure includes a blower 5, the blower 5 is arranged on the top plate 3, an air supply pipe 8 is arranged on the blower 5, an inner cavity 16 is arranged in the adjustment plate 10, and a connecting pipe 19 connected to the inner cavity 16 is arranged on the top of the adjustment plate 10, and the connecting pipe 19 is connected to the air supply pipe 8.

[0032] Among them, a fixing groove 12 is provided at the bottom of the adjustment frame 6 on both sides of the dual-axis motor 9, and a limiting groove 13 is provided on the inner walls on opposite sides of the fixing groove 12. The adjustment plate 10 vertically passes through the fixing groove 12, and a limiting rod 20 is provided on the outer wall of the adjustment plate 10, and the limiting rod 20 is inserted into the limiting groove 13. A ventilation pipe 18 is provided in the fixed cylinder 17, and the fixed cylinder 17 and the adjustment plate 10 are connected by threads. One end of the ventilation pipe 18 is extended into the inner cavity 16, and the fixed cylinder 17 is set to a structure that can be replaced on the adjustment plate 10, and a supporting structure is provided on the adjustment plate 10 below the fixed cylinder 17.

[0033] Among them, the supporting structure includes a fixed plate 21 and a supporting block 22. The fixed plate 21 is arranged on the adjustment plate 10 below the fixed cylinder 17. A sleeve 23 is arranged at the bottom of the supporting block 22, and a bracket 24 is arranged at the top of the supporting block 22. A spring 25 is arranged in the sleeve 23. The bottom end of the spring 25 is arranged on the fixed plate 21, and the bracket 24 and the fixed cylinder 17 are arranged to be a one-to-one corresponding structure.

[0034] Example 2:

[0035] Further explanation will be given based on the first embodiment. Figures 6-7 As shown, a sealing layer 26 is provided on the outer wall of the vent pipe 18. The sealing layer 26 can improve the sealing between the hydraulic pipe and the vent pipe 18, so that the airflow out of the vent pipe 18 can fully enter the hydraulic pipe, and the airflow in the hydraulic pipe is prevented from flowing out from between the hydraulic pipe and the vent pipe 18. The hydraulic pipe can be fully tested for sealing, and the accuracy of the sealing test results is improved. In order to further improve the sealing of the hydraulic pipe during the test process, a sealing ring can also be provided on the inner wall of the fixed cylinder 17 to enhance the sealing between the outer wall of the hydraulic pipe and the inner wall of the fixed cylinder 17.

[0036] Working principle: according to the outer diameter of the hydraulic pipe, the corresponding fixed cylinder 17 is selected, according to the length of the hydraulic pipe, the double-shaft motor 9 is started, the double-shaft motor 9 drives the rotating stud 14 to rotate forward, the rotating stud 14 drives the connecting screw ring 15 to move, thereby driving the adjusting plate 10 and the fixed cylinder 17 mounted on the adjusting plate 10 to move, the distance between the two adjusting plates 10 is greater than the length of the hydraulic pipe, then the double-shaft motor 9 is closed, the two ends of the hydraulic pipe needing to be sealed are inserted into the fixed cylinder 17, the double-shaft motor 9 is started in reverse rotation, the distance between the adjusting plate 10 and the adjusting plate 10 is reduced, the two ends of the hydraulic pipe are fully inserted into the fixed cylinder 17, the air blower 5 is started, the air blower 5 blows air into the inner cavity 16 of the adjusting plate 10 through the air conveying pipe 8 and the connecting pipe 19, the air in the inner cavity 16 flows into the hydraulic pipe through the fixed cylinder 17, the air pressure in the hydraulic pipe is enhanced, the hydraulic cylinder 4 is started, the adjusting frame 6 moves vertically under the action of the hydraulic cylinder 4, so that the fixed hydraulic pipe enters the water in the water tank 1, and the sealing performance of the hydraulic pipe is detected and treated, whether the hydraulic pipe in the water has air bubbles or not is observed, after the sealing performance detection of the hydraulic pipe is completed, the adjusting frame 6 drives the hydraulic pipe after the sealing performance detection to rise under the action of the hydraulic cylinder 4, so that the hydraulic pipe is removed from the water tank 1, the double-shaft motor 9 is started in reverse rotation, the distance between the adjusting plate 10 and the adjusting plate 10 is expanded, so that the fixed cylinder 17 and the two ends of the hydraulic pipe are separated, the detected hydraulic pipe is convenient to take off from the supporting block 22, and the sealing performance detection of the hydraulic pipe is completed.

[0037] The above only describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0038] The parts not involved in the present application are the same as or can be realized by the prior art.

Claims

1. A hydraulic pipe tightness detection device, comprising a water tank, a bearing structure, characterized in that: The water tank top is provided with a vertical plate, the top of the vertical plate is provided with a top plate, and the top plate is provided with a driving structure and an air conveying structure; the bearing structure comprises an adjusting frame, a double-shaft motor, an adjusting plate and a fixing cylinder, the double-shaft motor is a servo motor, the adjusting frame is connected with the driving structure, bearings are arranged on the inner wall of the adjusting frame, the double-shaft motor is arranged in the adjusting frame, rotating studs are arranged on the two sides of the double-shaft motor, one end of the rotating studs is inserted into the bearings, the adjusting plate vertically penetrates through the bottom of the adjusting frame, a connecting screw ring is arranged on the top of the adjusting plate, the adjusting plate is communicated with the air conveying structure, the connecting screw ring is sleeved on the rotating studs, and the fixing cylinder is mounted on the adjusting plate.

2. The hydraulic pipe sealability testing device according to claim 1, characterized by: The driving structure comprises a hydraulic cylinder, the hydraulic cylinder is arranged on the top plate, a piston rod is arranged on the hydraulic cylinder, and the piston rod is connected with the top of the adjusting frame.

3. The hydraulic pipe sealability testing device according to claim 1, characterized by: The air conveying structure comprises a blower, the blower is arranged on the top plate, an air conveying pipe is arranged on the blower, an inner cavity is arranged in the adjusting plate, a connecting pipe communicated with the inner cavity is arranged on the top of the adjusting plate, and the connecting pipe is connected with the air conveying pipe.

4. The hydraulic pipe sealability testing device according to claim 1, characterized by: The bottom of the adjusting frame on the two sides of the double-shaft motor is provided with a fixing groove, limit grooves are arranged on the inner walls of the opposite sides of the fixing groove, the adjusting plate vertically penetrates through the fixing groove, limit rods are arranged on the outer wall of the adjusting plate, and the limit rods are inserted into the limit grooves.

5. The hydraulic pipe sealability testing device according to claim 1, characterized by: An air pipe is arranged in the fixing cylinder, the fixing cylinder and the adjusting plate are connected through threads, one end of the air pipe extends into the inner cavity, and the fixing cylinder is arranged in a structure that can be replaced on the adjusting plate.

6. The hydraulic pipe sealability testing device according to claim 1 or 5, characterized by: A lifting structure is arranged on the adjusting plate below the fixing cylinder.

7. The hydraulic pipe sealability testing device according to claim 6, characterized by: The lifting structure comprises a fixed plate and a supporting block, the fixed plate is arranged on the adjusting plate below the fixing cylinder, a sleeve is arranged on the bottom of the supporting block, a supporting groove is arranged on the top of the supporting block, springs are arranged in the sleeve, the bottom ends of the springs are arranged on the fixed plate, and the supporting grooves and the fixing cylinders are arranged in a one-to-one corresponding structure.

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