Rubber and plastic pipe blasting test bench

Abstract

The utility model relates to a rubber and plastic pipe blasting test bench, which belongs to the technical field of rubber and plastic pipe production and comprises a test box, a rubber and plastic pipe body is arranged in the test box, and electric telescopic rods are fixedly mounted on two sides of the test box. The rubber and plastic pipe fixing device has the beneficial effects that when the rubber and plastic pipe body needs to be fixed, the rubber and plastic pipe body can be fixed in the test box by utilizing the supporting assembly and the clamping assembly, and the corresponding plug heads are pushed to be close to the middle by utilizing the electric telescopic rods, so that the plug heads and the rubber and plastic pipe body are in a clamping state; the sealing performance of the rubber and plastic pipe body and the plug can be improved through the sealing ring, the water leakage phenomenon is avoided, a power source is provided for the plug through the electric telescopic rod, the testing operation can be more stable, the testing precision is guaranteed, and then the reliability of the testing result is improved; and the structure can be suitable for rubber and plastic pipe bodies with different lengths, and the manual operation space is reduced, so that the test is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber and plastic pipe production technical field especially relates to a rubber and plastic pipe burst test bench. BACKGROUND

[0002] With the development of industrial technology, rubber and plastic pipe is more and more widely used in various industries, especially the safety of automobile, aerospace and other industries puts forward higher requirements, in order to ensure the safe operation of these industries, must be strictly tested to rubber and plastic pipe, rubber and plastic pipe burst test is a kind of method for evaluating the performance of rubber and plastic pipe under extreme pressure, the test is through increasing pressure to observe the rupture mode and the number and position of rupture when the pipe material bears pressure, so as to evaluate the quality and reliability of pipe material.

[0003] The rubber and plastic pipe burst test equipment on the market usually holds rubber and plastic pipe, and blocks one end of the rubber and plastic pipe with a soft plug, while the other end is connected with a liquid increasing pump, and the water body is pressurized to observe the rupture mode and the number of rupture when the pipe material bears pressure, and then the quality and reliability of the pipe material can be evaluated, but manual control mode may cause water leakage in the rubber and plastic pipe, so that the test accuracy is difficult to guarantee, and the reliability of the test result is not high, and the visual observation is not detailed enough, and some small cracks are easily ignored. UTILITY MODEL CONTENTS

[0004] In view of the above problems existing in the prior art, the main purpose of the utility model is to provide a rubber and plastic pipe burst test bench.

[0005] The technical scheme of the utility model is as follows: a rubber and plastic pipe burst test bench, comprising a test box, an rubber and plastic pipe body is arranged in the test box, electric telescopic rods are fixedly installed on both sides of the test box, plug heads matched with the rubber and plastic pipe body are arranged on both sides of the inner wall of the test box, sealing rings are fixedly connected to the outer sides of the plug heads, a through hole is formed in the inside of one of the plug heads, the plug heads are clamped with the inner wall of the rubber and plastic pipe body, and a monitoring assembly is arranged on the inner wall of the test box.

[0006] Through the arrangement of the electric telescopic rod, the corresponding plug head is pushed to the middle, so that the plug head and the rubber and plastic pipe body are in clamped state, and the sealing performance of the rubber and plastic pipe body and the plug head is increased by using the sealing ring, so as to avoid water leakage, and the power source of the plug head is provided by the electric telescopic rod, so that the test operation is more stable, and the test accuracy is ensured.

[0007] As a preferred implementation form, the monitoring assembly comprises an ultrasonic sensor fixedly installed at the top end of the inner wall of the test box, a controller fixedly installed outside the test box, and a display screen fixedly installed at the top end of the test box.

[0008] By adopting the technical scheme, the ultrasonic sensor can be used to detect cracks by using the principle that high-frequency sound waves propagate in materials, by emitting ultrasonic pulses and receiving echoes to analyze defects inside the materials.

[0009] As a preferred implementation form, the test box is internally provided with a supporting assembly, which comprises a through groove opened in the test box, a bidirectional screw rod rotationally connected to the inner wall of the through groove, a fixed rod fixedly connected to the inside of the through groove and located at one side of the bidirectional screw rod, and a supporting frame threadedly connected to the outer side of the bidirectional screw rod at both ends and slidably connected to the fixed rod.

[0010] By adopting the technical scheme, the bidirectional screw rod can drive the two supporting frames to move towards or away from each other, so that the position of the supporting frame can be adjusted according to the length of the rubber and plastic pipe body.

[0011] As a preferred implementation form, the inner wall of the test box is provided with a clamping assembly, which comprises two air cylinders slidably installed on the inner wall of the test box, a clamping piece fixedly connected to the piston rod of each air cylinder, and a semicircular groove opened in the inside of the clamping piece and the supporting frame for cooperation with the rubber and plastic pipe.

[0012] By adopting the technical scheme, the position of the air cylinder and the clamping piece can be adjusted according to the position of the supporting frame, so that the supporting frame can be used in cooperation.

[0013] As a preferred implementation form, the outer side of the test box is provided with a pressurizing assembly, which comprises a liquid pressurizing pump fixedly installed on the outer side of the test box, a corrugated pipe fixedly connected to the outer side of one of the plug heads, and an output end of the liquid pressurizing pump extending into the inside of the test box and fixedly connected to the end of the corrugated pipe away from the plug head.

[0014] By adopting the technical scheme, the liquid pressurizing pump can be used to fill the inside of the rubber and plastic pipe with external water through the liquid pressurizing pump, so that the rupture pattern and the number of rupture openings of the pipe material under pressure can be observed by pressurizing the water.

[0015] As a preferred implementation form, a drain groove is opened in the inside of the test box below the through groove, and the inner wall of the drain groove is provided with an inclined surface.

[0016] Through the setting of the water sink, the water after the test can be collected and treated uniformly.

[0017] As a preferred embodiment, the air cylinder is arranged on the top of the support frame, and the outer side of the rubber and plastic pipe is in contact with the sealing ring.

[0018] Through the contact arrangement, the rubber and plastic pipe body and the plug head can be connected more tightly.

[0019] As a preferred embodiment, the outer side of the test box is fixedly provided with a servo motor, the output shaft of the servo motor extends into the through groove and is fixedly connected with the bidirectional screw rod, and the anti-skid teeth are fixedly connected to the side close to each other of the two clamping pieces.

[0020] Through the rotation of the output shaft of the servo motor, the bidirectional screw rod can be driven to rotate, so as to realize the transmission of power.

[0021] Compared with the prior art, the advantages and positive effects of the utility model lie in,

[0022] 1. In the utility model, when it is necessary to fix the rubber and plastic pipe body, the support assembly and the clamping assembly can be used to fix the rubber and plastic pipe body in the test box, and the corresponding plug head can be pushed to the middle by the electric telescopic rod, so that the plug head and the rubber and plastic pipe body can be in the clamping state, the sealing performance of the rubber and plastic pipe body and the plug head can be increased by the sealing ring, the water leakage phenomenon can be avoided, the test operation can be more stable by providing the power source for the plug head by the electric telescopic rod, the test precision can be ensured, the reliability of the test result can be improved, the structure can be suitable for rubber and plastic pipe bodies of different lengths, the space for manual operation is reduced, and the test is more convenient.

[0023] 2. In the utility model, the ultrasonic sensor can be used for crack detection by using the principle that high-frequency sound waves propagate in materials, the defects in the materials can be analyzed by emitting ultrasonic pulses and receiving echoes, and the defect image can be displayed on the display screen, so that the quality and reliability of the rubber and plastic pipe can be evaluated. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 An overall perspective view of the rubber and plastic pipe burst test bench is provided in the utility model;

[0025] Figure 2 An internal structure schematic view of the rubber and plastic pipe burst test bench is provided in the utility model;

[0026] Figure 3 A bottom view of the rubber and plastic pipe burst test bench is provided in the utility model;

[0027] Figure 4 The utility model provides a rubber and plastic pipe burst test bench Figure 2 The enlarged view of A in the middle.

[0028] Legend: 1, test box; 2, display screen; 3, liquid booster pump; 4, electric telescopic rod; 5, plug head; 6, corrugated pipe; 7, sealing ring; 8, clamping piece; 9, ultrasonic sensor; 10, air cylinder; 11, fixed rod; 12, through groove; 13, support frame; 14, bidirectional screw rod; 15, sink; 16, servo motor. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0030] Referring to Figures 1-4 A rubber and plastic pipe burst test bench, comprising a test box 1, the inside of the test box 1 is provided with a rubber and plastic pipe body, the two sides of the test box 1 are both fixedly installed with an electric telescopic rod 4, the two sides of the inner wall of the test box 1 are both provided with a plug head 5 used in cooperation with the rubber and plastic pipe body, the outer side of the plug head 5 is both fixedly connected with a sealing ring 7, the inside of one of the plug heads 5 is provided with a through hole, the plug head 5 is all clamped with the inner wall of the rubber and plastic pipe body, the inner wall of the test box 1 is provided with a monitoring assembly, when it is needed to fix the rubber and plastic pipe body, the rubber and plastic pipe body can be fixed in the test box 1 by using a supporting assembly and a clamping assembly, and the corresponding plug head 5 is pushed to the middle by using the electric telescopic rod 4, so that the plug head 5 can be in the clamped state with the rubber and plastic pipe body, and the sealing performance of the rubber and plastic pipe body and the plug head 5 can be increased by using the sealing ring 7, so as to avoid the water leakage phenomenon, and the test operation can be more stable by providing power source for the plug head 5 by the electric telescopic rod 4, so as to ensure the test precision, and then the reliability of the test result is improved, and the above structure can be suitable for rubber and plastic pipe bodies of different lengths, and the space for manual operation is reduced, so that the test is more convenient.

[0031] Referring to Figure 3The monitoring assembly comprises an ultrasonic sensor 9 fixedly installed at the top end of the inner wall of the test box 1, a controller fixedly installed outside the test box 1, and a display screen 2 fixedly installed at the top end of the test box 1. Through the action of the ultrasonic sensor 9, crack detection can be performed by utilizing the principle that high-frequency sound waves can propagate in materials. The internal defects of the materials can be analyzed by emitting ultrasonic pulses and receiving echoes, and the defect image can be displayed on the display screen 2, so as to evaluate the quality and reliability of the rubber and plastic pipe.

[0032] With reference to Figure 4 The test box 1 is provided with a support assembly. The support assembly comprises a through groove 12 formed in the test box 1, a bidirectional screw rod 14 rotatably connected to the inner wall of the through groove 12, a fixed rod 11 fixedly connected to the inside of the through groove 12 and located at one side of the bidirectional screw rod 14, and support frames 13 threadedly connected to the outer sides of both ends of the bidirectional screw rod 14. The support frames 13 are slidably connected to the fixed rod 11. Through the rotation of the bidirectional screw rod 14, the two support frames 13 can move towards or away from each other. Thus, the positions of the support frames 13 can be adjusted according to the length of the rubber and plastic pipe body, so as to improve the applicability of the device.

[0033] With reference to Figure 3 The inner wall of the test box 1 is provided with a clamping assembly. The clamping assembly comprises two air cylinders 10 slidably installed on the inner wall of the test box 1. The piston rods of the air cylinders 10 are fixedly connected to clamping pieces 8. The clamping pieces 8 and the inside of the support frames 13 are both provided with semicircular grooves for cooperating with the rubber and plastic pipe. The positions of the air cylinders 10 and the clamping pieces 8 can be adjusted according to the positions of the support frames 13. Thus, the clamping assembly can be used in cooperation with the support frames 13 to adapt to rubber and plastic pipe bodies of different lengths, so as to improve the test stability of the rubber and plastic pipe body.

[0034] With reference to Figure 1 The outer side of the test box 1 is provided with a pressurizing assembly. The pressurizing assembly comprises a liquid pressurizing pump 3 fixedly installed outside the test box 1. The outer side of one of the plug heads 5 is fixedly connected to a bellows 6. The output end of the liquid pressurizing pump 3 extends into the inside of the test box 1 and is fixedly connected to the end of the bellows 6 away from the plug head 5. Through the action of the liquid pressurizing pump 3, external water can be filled into the inside of the rubber and plastic pipe through the liquid pressurizing pump 3. Thus, the rupture pattern and the number of rupture openings of the pipe material when bearing pressure can be observed through water pressurization. The bellows 6 can be moved in cooperation with the plug head 5.

[0035] With reference to Figure 2 A drain groove 15 is formed in the inside of the test box 1 and below the through groove 12. The inner wall of the drain groove 15 is provided with an inclined surface. Through the arrangement of the drain groove 15, the water after the test can be uniformly collected and treated. The arrangement of the inclined surface can accelerate the outflow of water and reduce water residue.

[0036] With reference to Figure 4 The cylinder 10 is arranged at the top of the support frame 13, and the outer side of the rubber and plastic pipe is in contact with the sealing ring 7. Through the contact arrangement, the rubber and plastic pipe body and the plug head 5 are more closely connected.

[0037] With reference to Figure 3 The outer side of the test box 1 is fixedly provided with a servo motor 16. The output shaft of the servo motor 16 extends to the inside of the through groove 12 and is fixedly connected with the bidirectional screw rod 14. The side close to each other of the two clamping pieces 8 is fixedly connected with an anti-skid tooth. Through the rotation of the output shaft of the servo motor 16, the bidirectional screw rod 14 can be driven to rotate, so as to realize the transmission of power.

[0038] Working principle: when the rubber and plastic pipe body needs to be tested, the sealing door on the outer side of the test box 1 can be opened, and the rubber and plastic pipe body is placed between the two support frames 13. Then, the servo motor 16 is started by the controller, and the two support frames 13 are driven to move towards or away from each other through the rotation of the bidirectional screw rod 14, so as to adjust the position of the support frame 13 according to the length of the rubber and plastic pipe body, and adjust the position of the cylinder 10 at the same time. The piston rod of the cylinder 10 is extended to drive the clamping piece 8 to move downward, so as to fix the rubber and plastic pipe body in the test box 1.

[0039] Then, the corresponding plug head 5 is pushed to the middle by the electric telescopic rod 4, so that the plug head 5 is in the clamping state with the rubber and plastic pipe body, and the sealing performance of the rubber and plastic pipe body and the plug head 5 is increased by the sealing ring 7, so as to avoid water leakage. The plug head 5 is powered by the electric telescopic rod 4, so that the test operation is more stable, the test precision is ensured, and the reliability of the test result is improved.

[0040] Finally, the liquid booster pump 3 is started, the external water body is filled into the inside of the rubber and plastic pipe through the liquid booster pump 3, and the pressure is gradually increased. Through the action of the ultrasonic sensor 9, crack detection is carried out by using the principle that high-frequency sound waves propagate in materials. The defects in the material are analyzed by emitting ultrasonic pulses and receiving echoes, and the defect image is displayed on the display screen 2, so as to evaluate the quality and reliability of the rubber and plastic pipe. Then, the water body after the test is collected and treated through the drain groove 15. The inclined surface can accelerate the outflow of water and reduce water residue.

[0041] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation" "is provided with" "connection" and the like, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integral connection;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication, for the ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0042] The above only for the preferred embodiment of the present application has, and is not used to limit the present application, although the present application is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A test bench for the burst testing of elastomeric pipes, comprising a test chamber (1), characterized in that: The inside of the test box (1) is provided with an elastic tube body, both sides of the test box (1) are fixedly installed with an electric telescopic rod (4), both sides of the inner wall of the test box (1) are provided with a plug head (5) used in cooperation with the elastic tube body, the outer side of the plug head (5) is fixedly connected with a sealing ring (7), a through hole is formed in the inside of one of the plug heads (5), the plug head (5) is clamped with the inner wall of the elastic tube body, and the inner wall of the test box (1) is provided with a monitoring assembly.

2. A rubber and plastic pipe burst testing rig according to claim 1, characterised in that: The monitoring assembly comprises an ultrasonic sensor (9) fixedly installed at the top end of the inner wall of the test box (1), a controller fixedly installed on the outer side of the test box (1), and a display screen (2) fixedly installed at the top end of the test box (1).

3. A rubber and plastic pipe burst testing rig according to claim 1, characterised in that: The inside of the test box (1) is provided with a supporting assembly, the supporting assembly comprises a through groove (12) formed in the inside of the test box (1), a bidirectional screw rod (14) rotatably connected with the inner wall of the through groove (12), a fixed rod (11) fixedly connected with the inside of the through groove (12) and located at one side of the bidirectional screw rod (14), and support frames (13) threadedly connected with the outer sides of both ends of the bidirectional screw rod (14), wherein the support frames (13) are slidably connected with the fixed rod (11).

4. A rubber and plastic pipe burst testing rig according to claim 1, characterised in that: The inner wall of the test box (1) is provided with a clamping assembly, the clamping assembly comprises two air cylinders (10) slidably installed on the inner wall of the test box (1), clamping pieces (8) fixedly connected with the piston rods of the air cylinders (10), and semicircular grooves formed in the insides of the clamping pieces (8) and the support frames (13) and used in cooperation with the elastic tube.

5. A rubber and plastic pipe burst testing rig according to claim 1, characterised in that: The outer side of the test box (1) is provided with a supercharging assembly, the supercharging assembly comprises a liquid supercharging pump (3) fixedly installed on the outer side of the test box (1), and a bellows (6) fixedly connected with the outer side of one of the plug heads (5), wherein the output end of the liquid supercharging pump (3) extends into the inside of the test box (1) and is fixedly connected with one end of the bellows (6) away from the plug head (5).

6. A rubber and plastic pipe burst testing rig according to claim 1, characterised in that: A drain groove (15) is formed in the inside of the test box (1) and below the through groove (12), and the inner wall of the drain groove (15) is provided with an inclined surface.

7. A rubber and plastic pipe burst testing rig as claimed in claim 4, wherein: The air cylinders (10) are arranged at the top of the support frames (13), and the outer sides of the elastic tubes are in contact with the sealing rings (7).

8. A rubber and plastic pipe burst testing rig according to claim 7, characterised in that: A servo motor (16) is fixedly installed on the outer side of the test box (1), the output shaft of the servo motor (16) extends into the inside of the through groove (12) and is fixedly connected with the bidirectional screw rod (14), and anti-skid teeth are fixedly connected with the sides of the two clamping pieces (8) close to each other.

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