Sealing performance detection equipment for stop valve

Abstract

The utility model discloses sealing performance detection equipment for a stop valve, which comprises a detection table, a rotary clamping mechanism, a flange butt joint mechanism and an inflation detection mechanism, supports are fixedly arranged on the detection table, a first motor is fixedly arranged in the middle of one side of each support, a rotating shaft is rotatably arranged between the supports, and the output end of each first motor is provided with the corresponding rotating shaft in a driving manner. A clamping frame is fixedly arranged on the rotating shaft in a surrounding mode, a telescopic clamping mechanism is arranged in the clamping frame in a matched mode, a flange butt joint mechanism is arranged below the inner side of the support, and an inflation detection mechanism is arranged on one side of the detection table. According to the utility model, the first motor drives the rotating shaft and the clamping frame to rotate so as to conveniently drive the stop valves clamped on the clamping ring to sequentially rotate to the lower part for detection, and the stop valves rotating to the upper part can be conveniently installed and replaced during detection, so that the detection efficiency is effectively improved; after the butt joint flange is in butt joint with the two ends of the stop valve, the second motor drives the mounting base to rotate and screw the bolt, automatic mounting and dismounting between the butt joint flange and the stop valve are achieved, and the sealing effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to leakproofness detection technical field especially, relate to a leakproofness detection equipment for stop valve. BACKGROUND

[0002] Leakproofness detection of stop valve has many important functions, mainly reflected in ensuring system safe operation, guaranteeing system performance and improving equipment service life, etc., in many industrial fields, such as petroleum chemical industry, gas, electric power, etc., the medium controlled by stop valve often has flammable, explosive, toxic, corrosive and other dangerous characteristics.If the leakproofness of stop valve is poor, medium leakage can cause fire, explosion, poisoning and other serious safety accidents, and cause great threat to personnel life and property.Through leakproofness detection, potential leakage points can be found in time, and measures are taken to eliminate hidden dangers, protect production environment and personnel safety, in some pressure systems, such as hydraulic system, pneumatic system, etc., the leakproofness of stop valve is very important for maintaining system pressure stability.If the valve is poorly sealed, it will cause the system pressure to drop, affect the normal operation of the system, and even the system may not reach the required pressure value, and then cause equipment failure or operation failure.Leakproofness detection helps to ensure that the valve can effectively maintain system pressure and avoid safety risks caused by pressure fluctuations.

[0003] In the utility model discloses a kind of leakproofness detection devices for stop valve production in application No.201822126235.1, by being provided with slide rail, sliding block, fastening knob and clamp, the distance between two clamps is adjusted by sliding sliding block, stop valve is placed between the clamp, fastening knob is tightened, can adapt to different specifications of stop valve, without replacing clamp, improve work efficiency, by being provided with air pump and five-way pipe, four air inlet pipes are connected in five-way pipe, air outlet pipe is placed outside transparent water tank, opens air pump and can realize simultaneously to four stop valve ventilation, improve the efficiency of detection, by being provided with magnifying glass on the outside of transparent water tank, when stop valve is ventilated, whether bubble is generated can be observed by magnifying glass, observation is more accurate, improve the accuracy of detection.

[0004] But the leakproofness detection device for stop valve production in above-mentioned needs to manually clamp stop valve before detection, so that disassembly and replacement are needed after detection, so that detection efficiency is low, the leakproofness detection device for stop valve production in above-mentioned needs to manually connect air inlet pipe and air outlet pipe after clamping is completed before detection, cannot realize automatic connection, and gap is easily generated when flange is connected manually, which affects detection result when bubble is generated during detection, therefore, the utility model provides a leakproofness detection equipment for stop valve to solve the problems in prior art. UTILITY MODEL CONTENTS

[0005] In view of the above problems, the utility model discloses a purpose in order to propose a sealing detection equipment for stop valve, sealing detection equipment for stop valve through the first motor drive pivot and clamping frame rotation is convenient to drive the stop valve clamped in the clamping ring and rotates to the below in turn and is detected, and is convenient to install the stop valve rotating to the above and is replaced while detecting, effectively improve the detection efficiency, and the butt joint flange is connected on the both ends of the stop valve by the second motor drive mounting seat rotation and is screwed the bolt, realizes the automatic installation and dismantling between butt joint flange and stop valve and guarantees the sealing effect.

[0006] In order to realize the utility model's purpose, the utility model discloses a sealing detection equipment for stop valve, including detection table, rotating clamping mechanism, flange butt joint mechanism and inflation detection mechanism, rotating clamping mechanism includes support, first motor, pivot, clamping frame and telescopic clamping mechanism, the support is fixed on the detection table, the first motor is fixed and arranged in the middle of one side of the support, pivot is rotatably arranged between the support, the pivot is driven and arranged on the output end of the first motor, clamping frame is fixedly arranged around on the pivot, telescopic clamping mechanism is matched and arranged in the clamping frame, flange butt joint mechanism is arranged below the inner side of the support, one side of the detection table is equipped with inflation detection mechanism.

[0007] Further improvement lies in that the telescopic clamping mechanism includes a first electric telescopic rod, a telescopic frame and a clamping ring, the first electric telescopic rod is fixedly arranged in the middle of the inner side of the clamping frame, the telescopic frame is fixedly arranged on the telescopic end of the first electric telescopic rod, and the clamping ring is fixedly arranged on the outer side of the telescopic frame.

[0008] Further improvement lies in that the flange butt joint mechanism includes a second electric telescopic rod, a butt joint frame, an electromagnet, a second motor, a mounting seat, a butt joint flange and a rubber sealing ring, the second electric telescopic rod is fixedly arranged in the middle of the support, the butt joint frame is fixedly arranged on the telescopic end of the second electric telescopic rod, the electromagnet is fixedly arranged in the middle of the butt joint frame, the second motor is fixedly arranged on one side of the butt joint frame, the mounting seat is connected to the output end of the second motor in a driven mode, the butt joint flange is electromagnetically attached to the inner side of the electromagnet, the rubber sealing ring is fixedly arranged in the butt joint flange in a matched mode, and the inflation detection mechanism is connected to the butt joint flange in a lower mode.

[0009] Further improvement lies in that the butt joint flange is located on both sides of the clamping ring, the butt joint flange is fixedly arranged in a matched mode with the bolts on both sides of the stop valve, the outer side of the butt joint flange is closed, and the rubber sealing ring is tightly sealed with the stop valve on both ends.

[0010] Further improvement lies in that the inflation detection mechanism comprises a gas pump, an inflation pipe, an exhaust pipe and a detection water tank, one side of the detection table is fixedly provided with the gas pump, the inflation pipe is in communication below the butt flange on one side, the exhaust pipe is in communication below the butt flange on the other side, and the detection water tank is fixedly arranged in the middle of the detection table.

[0011] Further improvement lies in that the inflation pipe is in communication with the gas pump, and the exhaust pipe is fixedly connected below the other side of the support.

[0012] Further improvement lies in that the detection water tank is located below the clamping frame.

[0013] The utility model discloses the beneficial effect is: the utility model discloses a first motor drive pivot and clamping frame rotation convenient drive and clamp in the clamping ring on the stop valve rotation to below in turn and detect, and convenient to install replacement to the stop valve that rotates to the upper side at the same time, effectively improve the detection efficiency, realize the automatic installation and dismounting between butt flange and stop valve by the second motor drive mounting seat rotation and screw bolt after butt flange butt joint on the two ends of stop valve, guarantee sealing effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall front view of the utility model;

[0015] Figure 2 It is the butt flange side view of the utility model;

[0016] Figure 3 It is the pivot side view of the utility model;

[0017] Figure 4 It is the A place enlarged schematic view of the utility model.

[0018] Among them: 1, detection table;2, support;3, first motor;4, pivot;5, clamping frame;6, first electric telescopic rod;7, telescopic frame;8, clamping ring;9, second electric telescopic rod;10, butt frame;11, electromagnet;12, second motor;13, mounting seat;14, butt flange;15, rubber sealing ring;16, gas pump;17, inflation pipe;18, exhaust pipe;19, detection water tank. DETAILED DESCRIPTION

[0019] In order to deepen the understanding of the utility model, the utility model will be further described in the following embodiment, and the embodiment is only used to explain the utility model, and does not constitute the limitation of the protection scope of the utility model.

[0020] According to Figure 1 , Figure 2 , Figure 3As shown, the embodiment provides a sealing detection device for stop valve, which comprises a detection table 1, a rotating clamping mechanism, a flange butt joint mechanism and an inflation detection mechanism. The rotating clamping mechanism comprises a support 2, a first motor 3, a rotating shaft 4, a clamping frame 5 and a telescopic clamping mechanism. The support 2 is fixed on the detection table 1. The first motor 3 is fixed on one side of the middle of the support 2. The rotating shaft 4 is rotatably arranged between the supports 2. The output end of the first motor 3 is driven to rotate the rotating shaft 4. The clamping frame 5 is fixed around the rotating shaft 4. When the sealing of the stop valve is detected, the stop valve to be detected is clamped on the clamping ring 8 in turn. The clamping frame 5 is driven to rotate by the first motor 3, and the clamped stop valve is driven to rotate to the position to be detected in turn, so that the stop valve can be clamped and replaced without affecting the detection, and the detection efficiency of the stop valve is effectively improved. The telescopic clamping mechanism is arranged in the clamping frame 5. The flange butt joint mechanism is arranged on the inner side of the support 2. The inflation detection mechanism is arranged on one side of the detection table 1.

[0021] The telescopic clamping mechanism comprises a first electric telescopic rod 6, a telescopic frame 7 and a clamping ring 8. The first electric telescopic rod 6 is fixed in the middle of the inner side of the clamping frame 5. The telescopic frame 7 is fixed on the extension end of the first electric telescopic rod 6. The clamping ring 8 is fixed on the outer side of the telescopic frame 7. When the stop valve is clamped on the clamping ring 8, the telescopic frame 7 is driven to descend by the first electric telescopic rod 6 after the stop valve is driven to rotate to the lower side by the rotating shaft 4, so that the stop valve is conveniently inserted into the detection water tank 19 to judge the sealing of the stop valve by observing whether bubbles are generated.

[0022] The flange butt joint mechanism comprises a second electric telescopic rod 9, a butt joint frame 10, an electromagnet 11, a second motor 12, a mounting seat 13, a butt joint flange 14 and a rubber sealing ring 15. The second electric telescopic rod 9 is symmetrically arranged in the middle of the support 2. The telescopic end of the second electric telescopic rod 9 is fixedly provided with the butt joint frame 10. The butt joint frame 10 is fixedly provided with the electromagnet 11 in the middle. The second motor 12 is fixedly arranged at four corners of one side of the butt joint frame 10. The output end of the second motor 12 is drivingly connected with the mounting seat 13. The electromagnet 11 is electromagnetically attracted with the butt joint flange 14 on the inner side. The butt joint flange 14 is fixedly arranged with the rubber sealing ring 15 on the inner side. The butt joint flange 14 is located on both sides of the clamping ring 8. The butt joint flange 14 is fixedly arranged with the stop valve on both sides through cooperation with bolts. The outer side of the butt joint flange 14 is closed. The rubber sealing ring 15 is sealed with the stop valve on both ends. When detection is needed, the second electric telescopic rod 9 is extended to push the butt joint frame 10 to drive the butt joint flange 14 to move towards the stop valve and be attached to both sides of the stop valve after the stop valve is rotated to the lower side. Then the mounting seat 13 is rotated and screwed by the second motor 12 to be fixed. After the fixing is completed, the electromagnet 11 is powered off to release the attraction so that the butt joint flange 14 is automatically installed on both ends of the stop valve. Then the second electric telescopic rod 9 is retracted to facilitate detection. After the detection is completed, the first electric telescopic rod 6 is retracted to drive the stop valve to return to the original position. Then the second electric telescopic rod 9 is extended again to be sleeved on the bolt through the mounting seat 13. The mounting seat 13 is rotated and disassembled by the second motor 12. The butt joint flange 14 is attracted by the electromagnet 11 to facilitate movement and disassembly. The butt joint flange 14 is connected with the inflation detection mechanism below.

[0023] The inflation detection mechanism comprises an air pump 16, an inflation pipe 17, an exhaust pipe 18 and a detection water tank 19. The air pump 16 is fixedly arranged on one side of the detection table 1. The inflation pipe 17 is communicated with the air pump 16. The exhaust pipe 18 is communicated with the other side of the support 2 below. The detection water tank 19 is fixedly arranged in the middle of the detection table 1. The inflation pipe 17 is communicated with the air pump 16. The other side of the exhaust pipe 18 is fixedly connected with the other side of the support 2 below. The detection water tank 19 is located below the clamping frame 5. When detection is needed, the butt joint flange 14 is installed on both ends of the stop valve. Then the air pump 16 is started to inflate the stop valve on one side through the inflation pipe 17. Then the stop valve on the other side is exhausted from the exhaust pipe 18. When the stop valve is immersed in the detection water tank 19, the sealing performance is observed by observing the bubbles.

[0024] The cut-off valve is clamped in the clamping ring above in sequence before detection by the sealing detection equipment, the clamping frame and the cut-off valve are rotated to the lower side by rotating the rotating shaft driven by the first motor, the first motor is paused after the cut-off valve is rotated to the lower side, the abutting frame and the electromagnet are pushed to move towards the cut-off valve by the second electric telescopic rod, the mounting base is rotated to screw the bolt for installation by the second motor, the sealing property of the contact surface is improved by the rubber sealing ring, the inflation pipe and the exhaust pipe are communicated with the cut-off valve, the first electric telescopic rod is extended to drive the telescopic frame to descend when detection, so that the cut-off valve is immersed in the water in the detection water tank, the cut-off valve is inflated by the air pump and then is exhausted by the exhaust pipe, the sealing property is judged by observing whether bubbles are generated on the cut-off valve, the first electric telescopic rod is retracted to drive the cut-off valve to move to the abutting frame when detection is completed, the abutting frame contacts the abutting flange when the second electric telescopic rod is extended again, the abutting flange is adsorbed and connected by the electromagnet, the abutting flange is disassembled by the second motor driving the mounting base to overturn and disassemble the bolt, and the abutting flange is conveniently installed again.

[0025] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sealing performance testing device for a gate valve, characterized in that: Including detection platform (1), rotating clamping mechanism, flange butt joint mechanism and inflation detection mechanism, the rotating clamping mechanism includes support (2), first motor (3), rotating shaft (4), clamping frame (5) and telescopic clamping mechanism, the detection platform (1) is fixedly provided with support (2), one side of the support (2) is fixedly provided with first motor (3), the rotating shaft (4) is rotatably arranged between the support (2), the output end of the first motor (3) is driven to be provided with the rotating shaft (4), the rotating shaft (4) is fixedly provided with clamping frame (5) around, the telescopic clamping mechanism is matched and arranged in the clamping frame (5), the inner side of the support (2) is provided with flange butt joint mechanism, one side of the detection platform (1) is provided with inflation detection mechanism.

2. The leak detection apparatus for a globe valve according to claim 1, characterized by: The telescopic clamping mechanism includes first electric telescopic rod (6), telescopic frame (7) and clamping ring (8), the first electric telescopic rod (6) is fixedly arranged in the inner side of the clamping frame (5), the telescopic end of the first electric telescopic rod (6) is fixedly provided with telescopic frame (7), the outer side of the telescopic frame (7) is fixedly provided with clamping ring (8).

3. The sealing property detection apparatus for a globe valve according to claim 1, characterized in that: The flange butt joint mechanism includes second electric telescopic rod (9), butt joint frame (10), electromagnet (11), second motor (12), mounting seat (13), butt joint flange (14) and rubber sealing ring (15), the second electric telescopic rod (9) is fixedly arranged in the support (2), the telescopic end of the second electric telescopic rod (9) is fixedly provided with butt joint frame (10), the electromagnet (11) is fixedly arranged in the butt joint frame (10), the second motor (12) is fixedly arranged at the four corners of one side of the butt joint frame (10), the output end of the second motor (12) is driven to be connected with mounting seat (13), the butt joint flange (14) is electromagnetically attached to the inner side of the electromagnet (11), the rubber sealing ring (15) is fixedly arranged in the inner side of the butt joint flange (14), the butt joint flange (14) is connected below the inflation detection mechanism.

4. The tightness detection apparatus for a globe valve according to claim 3, wherein: The butt joint flange (14) is located on both sides of the clamping ring (8), the butt joint flange (14) is fixedly arranged with the bolt on both sides of the stop valve, the outer side of the butt joint flange (14) is closed, and the rubber sealing ring (15) is attached to both ends of the stop valve.

5. The leak detection apparatus for a globe valve according to claim 3, wherein: The inflation detection mechanism includes air pump (16), inflation pipe (17), exhaust pipe (18) and detection water tank (19), one side of the detection platform (1) is fixedly provided with air pump (16), one side of the butt joint flange (14) is communicated below and provided with inflation pipe (17), the other side of the butt joint flange (14) is communicated below and provided with exhaust pipe (18), and the detection water tank (19) is fixedly arranged in the middle of the detection platform (1).

6. The tightness detection apparatus for a globe valve according to claim 5, wherein: The inflation pipe (17) is communicated with the air pump (16), and the other side of the exhaust pipe (18) is fixedly connected with the other side of the support (2).

7. The leak detection apparatus for a globe valve according to claim 5, wherein: The detection water tank (19) is located below the clamping frame (5) position.

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