Penetration pressure testing device
By combining components such as connecting cylinders and electric push rods, a simple and efficient method for fixing the explosion-proof motor housing is achieved, solving the problem of complexity and time consumption in existing technologies and improving the stability and safety of testing.
Patent Information
- Application Number
- CN202520476801.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing permeation pressure testing devices are complex and time-consuming to fix when testing the casing of explosion-proof motors, which affects the stability and safety of the test and may cause the sealing fixture to detach, making accurate testing impossible.
It adopts a combination design of connecting cylinder, electric push rod, connecting rope, slide rod and compression spring. The outer shell is initially positioned by the elastic force of the compression spring, and a simple and efficient fixation is achieved with the second clamp, combined with the secondary restriction of the insertion rod and pull rod.
It simplifies the fixing process, improves work efficiency, ensures the stability and safety of the test, avoids the detachment of the sealing fixture, and can accurately test the sealing performance of the shell.
Smart Images

Figure CN223783820U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of osmotic pressure testing technology, and in particular to an osmotic pressure testing device. Background Technology
[0002] Permeation pressure testing is a test method that uses internal pressure to test the sealing and pressure resistance of materials, components, or systems.
[0003] A pressure testing device is a device used to test the sealing and pressure resistance of materials, components or systems under high pressure conditions. This device is widely used in manufacturing, pipeline engineering, aerospace, automotive industry and other fields.
[0004] The existing permeation pressure testing device has the following shortcomings:
[0005] In the process of penetrant pressure testing of explosion-proof motor housings, the housing usually needs to be fixed. This is because the housing will be subjected to a certain pressure during the test. If it is not fixed, it may be displaced, shake, or even roll over due to the pressure. This not only affects the stability of the testing process, but may also cause the sealing fixture to detach from the housing, resulting in leakage of the test medium, making it impossible to obtain accurate test results, and may even cause safety problems. Existing technology has some fixing methods that are extremely complicated to operate. For example, some fixing structures that use multiple bolts require operators to tighten or loosen multiple bolts one by one during installation and disassembly. This not only consumes a lot of time and manpower, but also greatly reduces work efficiency. Utility Model Content
[0006] This invention solves the problems mentioned in the background art by setting up a connecting cylinder, an electric push rod, a connecting rope, a sliding rod, and a compression spring. The first clamp can apply an initial force to the motor housing with the help of the spring. With the cooperation of the second clamp, the initial positioning of the housing is completed.
[0007] To achieve the above objectives, this utility model adopts the following technical solution: a permeation pressure testing device, comprising an integral mechanism, with an auxiliary mechanism fixedly connected to the outer wall of the integral mechanism; the integral mechanism includes a cabinet, with a partition fixedly connected to the inner wall of the cabinet, a set of sliding rods fixedly connected to one side of the top of the partition, a first clamp fixedly connected to the shaft end of the sliding rod, a compression spring sleeved on the outer wall of the sliding rod, a set of insert rods penetrating through the outer wall of the first clamp, a pull rod fixedly connected to the top of the insert rods, a connecting rope fixedly connected to the outer wall of the first clamp, an electric push rod fixedly installed at the bottom of the inner wall of the cabinet, a rubber pad fixedly installed at the top of the cabinet, a small air compressor fixedly installed at the top of the rubber pad, and a booster pump fixedly connected to the outer wall of the small air compressor. Through the above components, the motor housing can be quickly fixed, the fixing method is relatively simple, and the overall work efficiency can be improved.
[0008] Preferably, the cabinet has a door hinged to the front, a set of dustproof nets fixedly connected to the inner wall of the cabinet, and a PLC controller fixedly installed on one side of the outer wall of the cabinet. The PLC controller is electrically connected to the components to control the opening and closing of the components.
[0009] Preferably, the bottom of the cabinet is fixedly connected to a support leg, and the bottom of the support leg is fixedly connected to an anti-slip pad. A placement board is fixedly connected to one side of the top of the cabinet, and a magnifying glass is slidably connected to the inner wall of the placement board. The support legs and anti-slip pads prevent the whole unit from shifting during use, and the placement board can be used to store the magnifying glass.
[0010] Preferably, a connecting cylinder is fixedly connected to the inner wall of the partition, and a second clamp is fixedly connected to the top of the partition. The inner wall of the connecting cylinder is slidably connected to the outer wall of the connecting rope. By using the connecting cylinder, the stability of the connecting rope during movement can be improved.
[0011] Preferably, each of the partitions has a round hole at its top. The inner wall of the round hole is slidably connected to the outer wall of the insertion rod. The shaft end of the electric push rod is fixedly connected to one end of the connecting rope. The round hole allows the user to easily insert the insertion rod into a suitable position, and the insertion restricts the first clamp.
[0012] Preferably, the output end of the booster pump is fixedly connected to a delivery pipe, a pressure sensor is fixedly installed on the outer wall of the delivery pipe, a pressure regulating valve is fixedly connected to the outer wall of the delivery pipe, and a telescopic hose is fixedly connected to the output end of the pressure regulating valve. The outer wall of the delivery pipe is slidably connected to the inner wall of the cabinet. The pressure sensor is used to monitor pressure changes during the pressure test, and the pressure regulating valve is used to accurately control the gas pressure delivered to the outer shell, ensuring that it is within a safe range.
[0013] Preferably, the auxiliary mechanism includes a connecting block, a rotating shaft is rotatably connected to the front of the connecting block, a baffle is fixedly connected to the front of the rotating shaft, and the outer wall of the baffle is slidably connected to the inner wall of the cabinet door. Through the connecting block, rotating shaft and baffle, the cabinet can be restricted.
[0014] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0015] 1. In this utility model, by setting up a connecting cylinder, an electric push rod, a connecting rope, a sliding rod, and a compression spring, the first clamp can initially apply force to the motor housing with the help of the spring's elasticity. With the cooperation of the second clamp, the initial positioning of the housing is completed. Afterwards, the user pulls the pull rod to insert the insertion rod into the round hole. This operation restricts the first clamp, thereby indirectly achieving secondary restriction on the housing. This fixing method is simple and efficient, avoiding the tedious operation of tightening multiple bolts each time, and effectively improving the overall work efficiency.
[0016] 2. In this utility model, the placement plate and magnifying glass facilitate visual inspection by the user. The small air compressor, booster pump, pressure sensor, delivery pipeline, pressure regulating valve and telescopic hose can inject compressed gas with a certain pressure into the explosion-proof motor housing. Under the action of pressure difference, if there are small cracks, holes or other defects in the housing, the compressed gas will permeate to the outside of the housing from these defects. Attached Figure Description
[0017] Figure 1 This utility model provides a perspective view of the main structure of a osmotic pressure testing device;
[0018] Figure 2 An enlarged perspective view of the cabinet connection structure in a permeation pressure testing device is provided for this utility model;
[0019] Figure 3 An enlarged perspective view of the diaphragm connection structure in a permeation pressure testing device is provided for this utility model;
[0020] Figure 4 An enlarged perspective view of the structure connected to the first clamp in the osmotic pressure testing device is provided for this utility model;
[0021] Figure 5 An enlarged perspective view of the rubber pad connection structure in the osmotic pressure testing device is provided for this utility model;
[0022] Figure 6 An enlarged perspective view of the auxiliary mechanism connection structure in a permeation pressure testing device is provided for this utility model.
[0023] Legend: 1. Overall Mechanism; 101. Cabinet; 102. Dustproof Net; 103. Placement Board; 104. Magnifying Glass; 105. PLC Controller; 106. Cabinet Door; 107. Support Leg; 108. Anti-slip Mat; 109. Partition; 110. Connecting Cylinder; 111. Circular Hole; 112. Second Clamp; 113. Electric Push Rod; 114. First Clamp; 115. Slide Rod; 116. Insert Rod; 117. Compression Spring; 118. Connecting Rope; 119. Small Air Compressor; 120. Rubber Pad; 121. Booster Pump; 122. Pressure Sensor; 123. Delivery Pipeline; 124. Pressure Regulating Valve; 125. Telescopic Hose; 126. Pull Rod; 2. Auxiliary Mechanism; 201. Connecting Block; 202. Rotating Shaft; 203. Baffle. Detailed Implementation
[0024] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0026] Please see Figures 1-6 This utility model provides a technical solution: a permeation pressure testing device, including an integral mechanism 1, with an auxiliary mechanism 2 fixedly connected to the outer wall of the integral mechanism 1; the integral mechanism 1 includes a cabinet 101, with a partition 109 fixedly connected to the inner wall of the cabinet 101, a set of sliding rods 115 fixedly connected to one side of the top of the partition 109, a first clamp 114 fixedly connected to the shaft end of the sliding rod 115, a compression spring 117 sleeved on the outer wall of the sliding rod 115, and a set of insert rods 116 penetrating through the outer wall of the first clamp 114. A pull rod 126 is fixedly connected to the top of 116, a connecting rope 118 is fixedly connected to the outer wall of the first clamp 114, an electric push rod 113 is fixedly installed on the bottom of the inner wall of the cabinet 101, a rubber pad 120 is fixedly installed on the top of the cabinet 101, a small air compressor 119 is fixedly installed on the top of the rubber pad 120, and a booster pump 121 is fixedly connected to the outer wall of the small air compressor 119. Through the above components, the motor housing can be quickly fixed, the fixing method is relatively simple, and the overall work efficiency can be improved.
[0027] like Figure 1 and Figure 2As shown, the cabinet 101 is hinged to the front of the cabinet 101 and a set of dustproof nets 102 are fixedly connected to the inner wall of the cabinet 101. A PLC controller 105 is fixedly installed on one side of the outer wall of the cabinet 101. The PLC controller 105 is electrically connected to the components to control the opening and closing of the components.
[0028] like Figure 2 As shown, the bottom of the cabinet 101 is fixedly connected to support legs 107, and the bottom of the support legs 107 is fixedly connected to anti-slip pads 108. The top side of the cabinet 101 is fixedly connected to a placement board 103, and a magnifying glass 104 is slidably connected to the inner wall of the placement board 103. The support legs 107 and anti-slip pads 108 prevent the whole unit from shifting during use. The placement board 103 can store the magnifying glass 104.
[0029] like Figure 3 As shown, a connecting cylinder 110 is fixedly connected to the inner wall of the partition 109, and a second clamp 112 is fixedly connected to the top of the partition 109. The inner wall of the connecting cylinder 110 is slidably connected to the outer wall of the connecting rope 118. By setting the connecting cylinder 110, the stability of the connecting rope 118 during movement can be improved.
[0030] like Figure 3 As shown, each of the partitions 109 has a round hole 111 on its top. The inner wall of the round hole 111 is slidably connected to the outer wall of the insertion rod 116. The shaft end of the electric push rod 113 is fixedly connected to one end of the connecting rope 118. Through the round hole 111, it is convenient for the user to insert the insertion rod 116 into the appropriate position. Insertion will restrict the first clamp 114.
[0031] like Figure 5 As shown, the output end of the booster pump 121 is fixedly connected to a delivery pipe 123. A pressure sensor 122 is fixedly installed on the outer wall of the delivery pipe 123. A pressure regulating valve 124 is fixedly connected to the outer wall of the delivery pipe 123. A telescopic hose 125 is fixedly connected to the output end of the pressure regulating valve 124. The outer wall of the delivery pipe 123 is slidably connected to the inner wall of the cabinet 101. The pressure sensor 122 is used to monitor the pressure changes during the pressure test. The pressure regulating valve 124 is used to accurately control the gas pressure delivered to the outer casing, ensuring that it is within a safe range.
[0032] like Figure 1 and Figure 6As shown, the auxiliary mechanism 2 includes a connecting block 201, a rotating shaft 202 is rotatably connected to the front of the connecting block 201, a baffle 203 is fixedly connected to the front of the rotating shaft 202, and the outer wall of the baffle 203 is slidably connected to the inner wall of the cabinet door 106. Through the connecting block 201, the rotating shaft 202 and the baffle 203, the cabinet door 106 can be restricted.
[0033] The user operates the device as follows: The baffle 203 is swung via the rotating shaft 202. When swung to a vertical position, it detaches from the cabinet door 106. The cabinet door 106 is then opened via the handle. After opening, the motor housing is placed between the first clamp 114 and the second clamp 112, and the motor housing is aligned with the second clamp 112. The electric push rod 113 is then activated via the control panel on the PLC controller 105. During retraction, the connecting rope 118 slides within the connecting cylinder 110, causing the first clamp 114 connected to it to shift under force. The sliding rod 115 and the compression spring 117 change their states under force. When the first clamp 114 shifts to the appropriate position, the electric push rod 113 extends, and the first clamp 114... 4. The spring force of the compression spring 117 can be used to apply force to the outer shell to complete the initial fixation. Then, the user inserts the insertion rod 116 into the corresponding round hole 111 through the pull rod 126. The insertion fixes the first clamp 114 and indirectly restricts the outer shell. After fixation, the flange on the telescopic hose 125 is connected to the interface of the outer shell. The small air compressor 119 is started to provide compressed air. The booster pump 121 and pressure regulating valve 124 are turned on. The pressure sensor 122 monitors in real time. The compressed air can be delivered to the outer shell through the telescopic hose 125 and maintained at the set pressure for a period of time. The magnifying glass 104 is used to observe whether there is any leakage. Visual inspection method is used.
[0034] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A permeation pressure test device, characterized by, Including the overall mechanism (1), the outer wall of the overall mechanism (1) is fixedly connected with the auxiliary mechanism (2); The overall mechanism (1) includes a cabinet body (101), the inner wall of the cabinet body (101) is fixedly connected with a baffle (109), one side of the top of the baffle (109) is fixedly connected with a group of slide rods (115), the shaft end of the slide rod (115) is fixedly connected with a first clamp (114), the outer wall of the slide rod (115) is sleeved with a compression spring (117), the outer wall of the first clamp (114) is provided with a group of insertion rods (116), the top of the insertion rod (116) is fixedly connected with a pull rod (126), the outer wall of the first clamp (114) is fixedly connected with a connecting rope (118), the inner wall of the bottom of the cabinet body (101) is fixedly installed with an electric push rod (113), the top of the cabinet body (101) is fixedly installed with a rubber pad (120), the top of the rubber pad (120) is fixedly installed with a small air compressor (119), the outer wall of the small air compressor (119) is fixedly connected with a booster pump (121).
2. A permeation pressure test device according to claim 1, wherein: The front of the cabinet body (101) is hingedly connected with a cabinet door (106), the inner wall of the cabinet body (101) is fixedly connected with a group of dustproof nets (102), one side of the outer wall of the cabinet body (101) is fixedly installed with a PLC controller (105).
3. A permeation pressure test device according to claim 1, wherein: The bottom of the cabinet body (101) is fixedly connected with a supporting leg (107), the bottom of the supporting leg (107) is fixedly connected with an anti-skid pad (108), one side of the top of the cabinet body (101) is fixedly connected with a placing plate (103), the inner wall of the placing plate (103) is slidably connected with a magnifying glass (104).
4. The permeation pressure testing device of claim 1, wherein: The inner wall of the baffle (109) is fixedly connected with a connecting cylinder (110), the top of the baffle (109) is fixedly connected with a second clamp (112), the inner wall of the connecting cylinder (110) is slidably connected with the outer wall of the connecting rope (118).
5. A permeation pressure test device according to claim 1, wherein: The top of the baffle (109) is provided with a circular hole (111), the inner wall of the circular hole (111) is slidably connected with the outer wall of the insertion rod (116), the shaft end of the electric push rod (113) is fixedly connected with one end of the connecting rope (118).
6. A permeation pressure test device according to claim 1, wherein: The output end of the booster pump (121) is fixedly connected with a conveying pipeline (123), the outer wall of the conveying pipeline (123) is fixedly installed with a pressure sensor (122), the outer wall of the conveying pipeline (123) is fixedly connected with a pressure regulating valve (124), the output end of the pressure regulating valve (124) is fixedly connected with a flexible hose (125), the outer wall of the conveying pipeline (123) is slidably connected with the inner wall of the cabinet body (101).
7. A permeation pressure test device according to claim 1, wherein: The auxiliary mechanism (2) includes a connecting block (201), the front of the connecting block (201) is rotatably connected with a rotating shaft (202), the front of the rotating shaft (202) is fixedly connected with a baffle (203), the outer wall of the baffle (203) is slidably connected with the inner wall of the cabinet door (106).