Anti-explosion water pressure testing device for cooling pipeline

Abstract

The invention relates to the technical field of cooling pipe pressure testing, in particular to a cooling pipeline anti-explosion water pressure testing device which comprises a rack, a testing assembly, a fixing assembly and a pressurizing assembly, the testing assembly is arranged in the center of the top of the rack, a magnetic attraction block is installed at the bottom of the testing assembly, the testing assembly is attracted to the surface of the rack, and the fixing assembly is arranged on the rack. The fixing assembly is detachably arranged at the top of the rack and used for fixing the cooling pipe, the pressurizing assembly is used for pressurizing and injecting water into the cooling pipe to apply pressure to the interior of the cooling pipe, and the pressurizing assembly is arranged on the rack. And the cooling pipe is inserted into the protective cover, so that the situation that fragments fly out to hurt people due to breakage of the cooling pipe is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of cooling pipe pressure testing, in particular to an explosion-proof water pressure testing device for a cooling pipeline. Background Art

[0002] In modern industrial production and daily life, cooling pipe systems are widely used in various equipment, such as automobiles, industrial cooling systems, refrigeration equipment, etc. These cooling pipe systems are crucial to the normal operation and efficiency of the equipment, so their safety and reliability are particularly important. However, due to the influence of various factors such as materials, manufacturing processes, and use environment, the cooling pipe system may face risks such as rupture and leakage during use. When the automobile engine is working, the pressure in the cooling pipe is relatively high. Many joints of engine cooling management use plastic injection molding parts. The cooling pipe needs to be tested with explosion-proof water pressure to prevent the plastic injection molding parts from bursting when the engine is working. Therefore, some pipes are removed from the engine and placed in a dedicated machine for testing.

[0003] Chinese patent CN213516681U discloses a galvanized pipe water pressure test device, including a base and a test assembly. The base includes a first box body, the test assembly includes a pressure supply device body, a first clamping member, a telescopic member, a second clamping member, a pressure measuring member and a rotating member, the rotating member includes a first trough body, a second screw rod and a first slider, and the pressure measuring member includes a third box body and a pressure gauge.

[0004] In the above structure, the pipeline is fixed by a fixing device, water is passed through the pipeline, and then the water pressure is detected by a pressure gauge on the water pipe. However, in the above structure, the pipeline pressure is generally detected by a camera to detect whether cracks appear in the pipeline. When detecting the pipeline, if cracks appear on the inside of the pipeline, the camera cannot detect the inside of the pipeline to be tested, and blind spots are easily generated during detection, resulting in missed detection. Summary of the invention

[0005] The purpose of the present invention is to provide an explosion-proof water pressure testing device for a cooling pipeline. The device adopts an array distribution by cooperating with a camera and an ultrasonic flaw detection head. The ultrasonic flaw detection head can perform non-contact flaw detection, thereby detecting whether there are cracks inside the cooling pipe. By cooperating with a test moving part, the camera and the ultrasonic flaw detection head can rotate around the cooling pipe, thereby realizing the effect of detecting the cooling pipe without blind spots.

[0006] In order to solve the problems of the prior art, the present invention provides a cooling pipeline explosion-proof water pressure testing device, comprising a frame, a test assembly, a fixing assembly and a pressurizing assembly, wherein the test assembly is arranged at the center position of the top of the frame, a magnetic suction block is installed at the bottom of the test assembly, and the test assembly is adsorbed on the surface of the frame, the fixing assembly is detachably arranged on the top of the frame for fixing the cooling pipe, the pressurizing assembly is used to pressurize the cooling pipe with water to apply pressure to the inside of the cooling pipe, the pressurizing assembly is arranged on the frame, the test assembly comprises a moving ring and a test moving part, a limiting groove is arranged on the inner ring of the moving ring, a plurality of the test moving parts are movably arranged in the limiting groove, and the test moving parts are distributed on the moving ring in an array, the test moving part is provided with an automatically rotating roller for providing movement for the test moving part, an ultrasonic flaw detection head for detecting whether there are cracks inside the cooling pipe is installed on the test moving part, and an appearance detection camera for photographing whether there are cracks outside the cooling pipe is also installed on the test moving part.

[0007] Preferably, the fixing assembly includes a support member, which is detachably fixed to the frame by bolts, and a rotating ring is rotatably provided at the center of the support member, and a plurality of rotatable limit frames are provided inside the rotating ring.

[0008] Preferably, an adjusting rod is movably provided on one side of the support member through an axis, and the adjusting rod is slidably provided in a limit frame, one end of the adjusting rod passes through the limit frame and is rotatably provided with a clamping wheel; the fixing assembly also includes a movable member and a support sleeve, the movable member is movably provided on a rotating ring through an axis, the support sleeve is fixed on the support member, a threaded rod is movably provided in the support sleeve, and an external thread is provided on the outside of the threaded rod, an internal thread is provided in the movable member, the external thread in the threaded rod cooperates with the internal thread in the movable member, and one end of the threaded rod passes through the support sleeve and is connected to a rotating member.

[0009] Preferably, the test assembly includes a protective cover, a plurality of through holes are formed on the outside of the protective cover, and a plurality of limit rails are evenly distributed inside the protective cover.

[0010] Preferably, the moving ring reciprocates in the protective cover, and self-propelled wheels for moving the moving ring are arranged around the outside of the moving ring. The self-propelled wheels cooperate with the limiting rails, and the moving ring reciprocates when the self-propelled wheels move.

[0011] Preferably, the pressurizing assembly includes two movable plates, and the two movable plates are symmetrically slidably arranged on both sides of the frame, and the bottom of the movable plate is connected to a fixed column for supporting the movable plate, and a sealing gasket is embedded on the inner side of the movable plate, and the sealing gasket is used to seal the cooling pipe to prevent water leakage, and a nozzle is fixed at the center position of the movable plate, and the nozzle passes through the movable plate and extends to the outside of the movable plate.

[0012] Preferably, the pressurizing component also includes a water pipe and a pressurizing pump, the pressurizing pump is used to pump external water into the cooling pipe, one end of the water pipe is interconnected with the pressurizing pump, and the other end of the water pipe is connected to a pressure sensing device, the pressure sensing device is used to detect the pressure in the cooling pipe, and one end of the pressure sensing device is fixedly connected to one end of the nozzle.

[0013] The pressurizing assembly also includes a first moving assembly, and the first moving assembly is arranged in the frame for driving the pressurizing assembly to move back and forth.

[0014] Preferably, the pressurizing assembly further includes a second moving assembly, and the second moving assembly is disposed in the frame for driving the pressurizing pump to reciprocate.

[0015] Preferably, the second movable component includes a second slide rail and a second slider, the second slide rail is fixed in the frame, the second slider is arranged along the length direction of the second slide rail and is slidably connected to the second slide rail, a slide plate is fixed on the second slider, and the slide plate is fixed to the bottom of the pressure pump; the second movable component also includes a second rotating drive member and a second lead screw, and the second lead screw is arranged in the frame by bolts, the output end of the second rotating drive member is fixedly connected to one end of the second lead screw and is used to drive the second lead screw to rotate, and the second lead screw is interconnected with the bottom of the slide plate through a threaded sleeve.

[0016] Compared with the prior art, the invention has the following beneficial effects: the cooling pipeline explosion-proof water pressure testing device has a reasonable structure and has the following advantages:

[0017] (1) The present application adopts a combination of a camera and an ultrasonic flaw detection head. The camera detects the appearance of the cooling pipe, and the ultrasonic flaw detection head can detect the inside of the cooling pipe. The camera and the ultrasonic flaw detection head are arranged in a matrix to improve the accuracy of detecting the cooling pipe. At the same time, the test moving part causes the camera and the ultrasonic flaw detection head to rotate around the cooling pipe, so that all positions of the cooling pipe can be detected, thereby realizing no-dead-angle detection of the cooling pipe.

[0018] (2) The present application rotates the rotating part, which causes the threaded rod to rotate. After the threaded rod rotates, the movable part moves and the movable part can rotate at the same time, thereby causing the rotating ring to rotate. The rotating ring causes the adjusting rod to rotate through the limit frame, thereby adjusting the position of the clamping wheel, so that the device can adapt to cooling pipes of different diameters, making the device more applicable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The present invention is a first stereoscopic structural schematic diagram of a cooling pipeline explosion-proof water pressure testing device.

[0020] Figure 2The present invention is a second stereoscopic structural schematic diagram of a cooling pipeline explosion-proof water pressure testing device.

[0021] Figure 3 The present invention is a schematic diagram of the first stereoscopic structure of a fixing component of a cooling pipeline explosion-proof water pressure testing device.

[0022] Figure 4 The present invention is a second stereoscopic structural diagram of a fixing assembly of a cooling pipeline explosion-proof water pressure testing device.

[0023] Figure 5 The present invention is a schematic diagram of the first stereoscopic structure of a pressurizing component of a cooling pipeline explosion-proof water pressure testing device.

[0024] Figure 6 The present invention is a schematic diagram of the second stereoscopic structure of a pressurizing component of a cooling pipeline explosion-proof water pressure testing device.

[0025] Figure 7 The present invention is a three-dimensional structural diagram of a test component of a cooling pipeline explosion-proof water pressure test device.

[0026] Figure 8 The present invention is a schematic diagram of the internal three-dimensional structure of a test component of a cooling pipeline explosion-proof water pressure test device.

[0027] Fig. 9 The present invention is a schematic diagram of the side structure of an explosion-proof water pressure testing device for a cooling pipeline.

[0028] Fig.10 The third stereoscopic structural diagram of a cooling pipeline explosion-proof water pressure testing device.

[0029] Fig.11 The present invention is a schematic diagram of the front view stereoscopic structure of a cooling pipeline explosion-proof water pressure testing device.

[0030] The numbers in the figure are: 1, frame; 11, test assembly; 111, protective cover; 1111, moving ring; 1112, limiting rail; 1113, self-propelled wheel; 1114, limiting groove; 1115, test moving part; 1116, ultrasonic flaw detection head; 1117, appearance inspection camera; 12, fixed assembly; 121, support member; 122, rotating ring; 123, adjusting rod; 124, clamping wheel; 125, limiting frame; 126, movable part; 127, threaded rod; 128, supporting sleeve; 129, rotating part; 1 3. Pressurizing assembly; 131. Moving plate; 1311. Sealing pad; 1312. Nozzle; 132. Pressure sensing device; 133. Water pipe; 134. Pressurizing pump; 135. Fixed column; 136. First moving assembly; 1361. First lead screw; 1362. First rotating drive member; 1363. First slide rail; 1364. First slider; 137. Second moving assembly; 1371. Second rotating drive member; 1372. Second lead screw; 1373. Second slide rail; 1374. Slide plate; 1375. Second slider. DETAILED DESCRIPTION

[0031] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0032] Reference Figure 1-Figure 11 As shown, the present invention provides: a cooling pipeline explosion-proof water pressure test device, including a frame 1, a test component 11, a fixing component 12 and a pressurizing component 13, the test component 11 is arranged at the center of the top of the frame 1, a magnetic block is installed at the bottom of the test component 11, and the test component 11 is adsorbed on the surface of the frame 1, the fixing component 12 is detachably arranged on the top of the frame 1 for fixing the cooling pipe, the pressurizing component 13 is used for pressurizing the cooling pipe to inject water to apply pressure inside the cooling pipe, the pressurizing component 13 is arranged on the frame 1, and the test component 11 includes a moving ring 1111 and a test moving ring 1111. The movable ring 1111 is provided with a limit groove 1114 on its inner ring, a plurality of the test movable members 1115 are movably provided in the limit groove 1114, and the test movable members 1115 are distributed on the movable ring 1111 in an array, and an automatically rotating roller for providing movement for the test movable member 1115 is provided in the test movable member 1115, an ultrasonic flaw detection head 1116 for detecting whether there are cracks inside the cooling pipe is installed on the test movable member 1115, and an appearance detection camera 1117 for photographing whether there are cracks outside the cooling pipe is installed on the test movable member 1115.

[0033] The fixing assembly 12 includes a support member 121, which is the basis of the entire fixing assembly 12. The support member 121 is detachably fixed to the frame 1 by bolts, so that it can be easily disassembled and installed as needed. The support member 121 is detachably fixed to the frame 1 by bolts, and a rotating ring 122 is rotatably provided at the center of the support member 121. The design of the rotating ring 122 allows the cooling pipe to be rotated and adjusted around its axis when fixed, making the fixation more flexible and convenient. The rotating ring 122 is provided with a plurality of rotatable limit frames 125, one side of the support member 121 is provided with an adjustment rod 123 through an axis, and the adjustment rod 123 is slidably provided in the limit frame 125, one end of the adjustment rod 123 passes through the limit frame 125 and is rotatably provided with a clamping wheel 124; the fixing assembly 12 also includes a movable member 126 and a supporting sleeve 128, the movable member 126 is movably provided on the rotating ring 122 through an axis, the supporting sleeve 128 is fixed on the supporting member 121, a threaded rod 127 is movably provided in the supporting sleeve 128, and an external thread is provided on the outside of the threaded rod 127, and an internal thread is provided in the movable member 126 Thread, the external thread in the threaded rod 127 cooperates with the internal thread in the movable part 126, one end of the threaded rod 127 passes through the support sleeve 128 and is connected to the rotating part 129. By rotating the rotating part 129, the threaded rod 127 can be driven to rotate in the support sleeve 128, so that the movable part 126 can be moved along the axial direction of the threaded rod 127 through the interaction of the threads, and the movable part 126 can also rotate, thereby causing the rotating ring 122 to rotate, and then the adjusting rod 123 drives the clamping wheel 124 to move and clamp to the outside of the cooling pipe, and this fixing component 12 can fix cooling pipes of different models, which is more practical.

[0034] The test assembly 11 includes a protective cover 111 . A plurality of through holes are formed on the outside of the protective cover 111 . The protective cover 111 can prevent fragments from flying out and injuring people when the cooling pipe breaks. A plurality of limit rails 1112 are evenly distributed inside the protective cover 111 .

[0035] In this embodiment, by rotating the rotating member 129, the rotating member 129 causes the threaded rod 127 to rotate. After the threaded rod 127 rotates, the movable member 126 moves and the movable member 126 can also rotate, and then the movable member 126 causes the rotating ring 122 to rotate, so that the rotating ring 122 causes the adjusting rod 123 to move through the limit frame 125. When the adjusting rod 123 moves, the adjusting rod 123 causes the clamping wheel 124 to clamp to the outside of the cooling pipe to prevent the cooling pipe from flying out when the pressure is too high. At the same time, a protective cover 111 is also installed on the frame 1 to prevent fragments from flying out and injuring people when the cooling pipe breaks.

[0036] The test assembly 11 also includes a limiting groove 1114 and a test movable part 1115. The limiting groove 1114 is annularly opened in the movable ring 1111. The limiting groove 1114 provides a stable motion track for the test movable part 1115. Several test movable parts 1115 are movably arranged in the limiting groove 1114. The test movable part 1115 is provided with an automatically rotating roller that provides movement for the test movable part 1115. The automatically rotating roller not only ensures the smooth movement of the test movable part 1115 in the limiting groove 1114, but also can adjust the moving speed and direction as needed. An ultrasonic flaw detector head 1116 for detecting whether there are cracks inside the cooling pipe is installed on the test movable part 1115. The ultrasonic flaw detector head 1116 detects cracks or other defects inside the cooling pipe by emitting and receiving ultrasonic waves, and can identify tiny cracks inside the cooling pipe with high precision, providing reliable data support for evaluating the quality and safety of the cooling pipe. The test movable part 1115 is also equipped with an appearance inspection camera 1117 for photographing whether there are cracks on the outside of the cooling pipe. The appearance inspection camera 1117 is used to photograph the outside of the cooling pipe. This camera can clearly capture the details of the surface of the cooling pipe and help inspectors identify cracks, corrosion or other damage on the outside of the cooling pipe.

[0037] In this embodiment, the self-propelled wheel 1113 is started, and the self-propelled wheel 1113 causes the moving ring 1111 to move in the protective cover 111. Through the action of the test moving part 1115, the test moving part 1115 can move around the moving ring 1111, and the ultrasonic flaw detection head 1116 is used to detect whether cracks appear in the cooling pipe. The appearance of the cooling pipe is detected by the appearance detection camera 1117, so as to detect the pressure on the cooling pipe when cracks appear.

[0038] The pressurizing assembly 13 includes two movable plates 131, and the two movable plates 131 are symmetrically slidably arranged on both sides of the frame 1, and the bottom of the movable plates 131 is connected with a fixed column 135 for supporting the movable plates 131. The movable plates 131 allow the tester to adjust the spacing of the movable plates 131 according to the size and position of the cooling pipe to adapt to cooling pipes of different specifications. The inner side of the movable plate 131 is inlaid with a sealing gasket 1311, which is used to seal the cooling pipe to prevent water leakage. The sealing gasket 1311 is made of elastic material. When the movable plate 131 contacts the two ends of the cooling pipe, the sealing gasket 1311 can fit tightly on the two ends of the cooling pipe to ensure that no water leakage occurs during the pressurization process. A nozzle 1312 is fixed at the center of the moving plate 131, and the nozzle 1312 passes through the moving plate 131 and extends to the outside of the moving plate 131. The pressurizing assembly 13 also includes a water pipe 133 and a pressurizing pump 134. The pressurizing pump 134 is used to pump external water into the cooling pipe. One end of the water pipe 133 is connected to the pressurizing pump 134, and the other end of the water pipe 133 is connected to a pressure sensor 132. The pressure sensor 132 is used to detect the pressure in the cooling pipe. One end of the pressure sensor 132 is fixedly connected to one end of the nozzle 1312. The pressure sensor 132 is used to monitor the pressure change in the cooling pipe in real time. It can accurately transmit pressure data to the control unit of the test system so that the tester can understand and control the pressure state in the cooling pipe.

[0039] The pressurizing component 13 also includes a first movable component 136, and the first movable component 136 is arranged in the frame 1 for driving the pressurizing component 13 to reciprocate; the first movable component 136 includes a first slide rail 1363 and a first slider 1364, and the first slide rail 1363 is fixed on the frame 1, and the first slider 1364 is arranged along the length direction of the first slide rail 1363 and slides with the first slide rail 1363, and the first slider 1364 is fixedly connected to the fixed column 135, the first movable component 136 also includes a first rotating driving member 1362 and a first lead screw 1361, the first lead screw 1361 is fixed to the frame 1 through a bearing, the output end of the first rotating driving member 1362 is fixedly connected to one end of the first lead screw 1361 for driving the first lead screw 1361 to rotate, and the first lead screw 1361 is interconnected with the fixed column 135 through a threaded sleeve.

[0040] In this embodiment, the first rotary drive member 1362 is started, the first rotary drive member 1362 rotates the first lead screw 1361, and the first lead screw 1361 moves the fixed column 135, thereby moving the movable plate 131, so that the movable plate 131 is pressed against both sides of the cooling pipe.

[0041] The pressurizing assembly 13 also includes a second moving assembly 137, and the second moving assembly 137 is arranged in the frame 1 for driving the pressurizing pump 134 to reciprocate. The second moving assembly 137 includes a second slide rail 1373 and a second slider 1375, the second slide rail 1373 is fixed in the frame 1, the second slider 1375 is arranged along the length direction of the second slide rail 1373 and is slidably connected with the second slide rail 1373, a slide plate 1374 is fixed on the second slider 1375, and the slide plate 1374 is fixed to the bottom of the pressurizing pump 134; the second moving assembly 137 also includes a second rotating driving member 1371 and a second lead screw 1372, and the second lead screw 1372 is arranged in the frame 1 by bolts, the output end of the second rotating driving member 1371 is fixedly connected to one end of the second lead screw 1372 and is used to drive the second lead screw 1372 to rotate, and the second lead screw 1372 is connected to the bottom of the slide plate 1374 through a threaded sleeve.

[0042] In this embodiment, by starting the second rotary driving member 1371 , the second rotary driving member 1371 causes the second lead screw 1372 to rotate, and the second lead screw 1372 causes the slide plate 1374 to move, so that the pressure pump 134 moves synchronously according to the position of the moving plate 131 .

[0043] Working principle: When in use, the cooling pipe is inserted into the fixed component 12, and the rotating member 129 is rotated, so that the rotating member 129 rotates the threaded rod 127, and the threaded rod 127 rotates so that the movable member 126 moves and the movable member 126 can also rotate, and then the movable member 126 rotates the rotating ring 122, so that the rotating ring 122 moves the adjusting rod 123 through the limit frame 125, and when the adjusting rod 123 moves, the adjusting rod 123 clamps the clamping wheel 124 to the outside of the cooling pipe, and then the first rotating driving member 1362 is started, and the first rotating driving member 1362 rotates the first lead screw 1361, and the first lead screw 1361 moves the fixed column 135, and then the movable plate 131 moves, and then the movable plate 131 is pressed on both sides of the cooling pipe, and is sealed by the sealing gasket 1311 to prevent water leakage, and then the nozzle 1312 is inserted into the cooling pipe, and at the same time By starting the second rotating drive member 1371, the second rotating drive member 1371 causes the second lead screw 1372 to rotate, and the second lead screw 1372 causes the slide plate 1374 to move, so that the pressure pump 134 moves synchronously according to the position of the movable plate 131. Subsequently, by starting the pressure pump 134, the pressure pump 134 draws external water into the cooling pipe, and the cooling pipe is filled with water and pressurized. The pressure is detected by the pressure sensor 132. During the water injection, by starting the self-propelled wheel 1113, the self-propelled wheel 1113 causes the moving ring 1111 to move in the protective cover 111. Through the action of the test moving member 1115, the test moving member 1115 can move around the moving ring 1111, and the ultrasonic flaw detection head 1116 is used to detect whether there are cracks in the cooling pipe. The appearance of the cooling pipe is detected by the appearance detection camera 1117, so as to detect the pressure on the cooling pipe when cracks appear in the cooling pipe.

[0044] The above embodiments only express one or several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for those of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A cooling pipeline explosion-proof water pressure test device, characterized in that: The invention comprises a frame (1), a test assembly (11), a fixing assembly (12) and a pressurizing assembly (13), wherein the test assembly (11) is arranged at the center position of the top of the frame (1), a magnetic block is installed at the bottom of the test assembly (11), and the test assembly (11) is adsorbed on the surface of the frame (1), the fixing assembly (12) is detachably arranged at the top of the frame (1) for fixing the cooling pipe, the pressurizing assembly (13) is used for pressurizing the cooling pipe to inject water to apply pressure inside the cooling pipe, the pressurizing assembly (13) is arranged on the frame (1), and the test assembly (11) comprises a moving ring (1111) and a test moving part (1111). 5), a limit groove (1114) is arranged on the inner ring of the moving ring (1111), a plurality of the test moving parts (1115) are movably arranged in the limit groove (1114), and the test moving parts (1115) are distributed on the moving ring (1111) in an array, and an automatically rotating roller is arranged in the test moving part (1115) to provide movement for the test moving part (1115), an ultrasonic flaw detection head (1116) for detecting whether there are cracks inside the cooling pipe is installed on the test moving part (1115), and an appearance detection camera (1117) for photographing whether there are cracks outside the cooling pipe is also installed on the test moving part (1115).

2. The cooling pipeline explosion-proof water pressure testing device according to claim 1, characterized in that: The fixing assembly (12) comprises a support member (121), the support member (121) is detachably fixed to the frame (1) by means of bolts, a rotating ring (122) is rotatably arranged at the center of the support member (121), and a plurality of rotatable limit frames (125) are arranged inside the rotating ring (122).

3. The cooling pipeline explosion-proof water pressure testing device according to claim 2, characterized in that: An adjusting rod (123) is movably arranged on one side of the support member (121) via an axis, and the adjusting rod (123) is slidably arranged in a limiting frame (125), and one end of the adjusting rod (123) passes through the limiting frame (125) and is rotatably arranged with a clamping wheel (124); The fixing assembly (12) further comprises a movable part (126) and a supporting sleeve (128); the movable part (126) is movably arranged on the rotating ring (122) via an axis; the supporting sleeve (128) is fixed on the supporting part (121); a threaded rod (127) is movably arranged in the supporting sleeve (128); an external thread is arranged on the outside of the threaded rod (127); an internal thread is arranged in the movable part (126); the external thread in the threaded rod (127) cooperates with the internal thread in the movable part (126); one end of the threaded rod (127) passes through the supporting sleeve (128) and is connected to the rotating part (129).

4. The cooling pipeline explosion-proof water pressure testing device according to claim 1, characterized in that: The test assembly (11) comprises a protective cover (111), a plurality of through holes are provided on the outside of the protective cover (111), and a plurality of limit rails (1112) are evenly distributed inside the protective cover (111).

5. The cooling pipeline explosion-proof water pressure testing device according to claim 1, characterized in that: The moving ring (1111) moves back and forth in the protective cover (111), and self-propelled wheels (1113) for moving the moving ring (1111) are arranged around the outside of the moving ring (1111), the self-propelled wheels (1113) cooperate with the limiting rails (1112), and when the self-propelled wheels (1113) move, the moving ring (1111) moves back and forth.

6. The cooling pipeline explosion-proof water pressure testing device according to claim 1, characterized in that: The pressurizing component (13) comprises two movable plates (131), and the two movable plates (131) are symmetrically slidably arranged on both sides of the frame (1), and the bottom of the movable plate (131) is connected to a fixing column (135) for supporting the movable plate (131), and a sealing gasket (1311) is embedded inside the movable plate (131), and the sealing gasket (1311) is used to seal the cooling pipe to prevent water leakage, and a nozzle (1312) is fixed at the center position of the movable plate (131), and the nozzle (1312) passes through the movable plate (131) and extends to the outside of the movable plate (131).

7. The cooling pipeline explosion-proof water pressure testing device according to claim 6, characterized in that: The pressurizing component (13) also includes a water pipe (133) and a pressurizing pump (134). The pressurizing pump (134) is used to pump external water into the cooling pipe. One end of the water pipe (133) is interconnected with the pressurizing pump (134). The other end of the water pipe (133) is connected to a pressure sensing device (132). The pressure sensing device (132) is used to detect the pressure in the cooling pipe. One end of the pressure sensing device (132) is fixedly connected to one end of the nozzle (1312).

8. The cooling pipeline explosion-proof water pressure testing device according to claim 7, characterized in that: The pressurizing component (13) further comprises a first moving component (136), and the first moving component (136) is arranged in the frame (1) and is used to drive the pressurizing component (13) to move back and forth.

9. The cooling pipeline explosion-proof water pressure testing device according to claim 8, characterized in that: The pressurizing component (13) further comprises a second moving component (137), and the second moving component (137) is arranged in the frame (1) and is used to drive the pressurizing pump (134) to reciprocate.

10. The cooling pipeline explosion-proof water pressure testing device according to claim 9, characterized in that: The second moving assembly (137) comprises a second slide rail (1373) and a second slider (1375), the second slide rail (1373) is fixed in the frame (1), the second slider (1375) is arranged along the length direction of the second slide rail (1373) and is slidably connected to the second slide rail (1373), a slide plate (1374) is fixed on the second slider (1375), and the slide plate (1374) is fixed to the bottom of the pressure pump (134); the second moving assembly (137) also comprises a second rotating driving member (1371) and a second lead screw (1372), the second lead screw (1372) is arranged in the frame (1) by bolts, the output end of the second rotating driving member (1371) is fixedly connected to one end of the second lead screw (1372) and is used to drive the second lead screw (1372) to rotate, and the second lead screw (1372) is connected to the bottom of the slide plate (1374) by a threaded sleeve.

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