A valve assembly device for nuclear power with an anti-loosening structure

By using a motor-driven rotating shaft and arc plate in the valve assembly device for nuclear power, combined with the airflow guidance mechanism, uniform guidance of the valve body and debris cleaning are achieved, the problems of collision and damage of the valve body are solved, and the assembly is improved Stability and efficiency.

CN118951722BActive Publication Date: 2024-12-20NANTONG GUODIAN VALVE TECH CO LTD
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Patent Information

Application Number
CN202411462587.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2024-12-20
Estimated Expiration
2044-10-18

AI Technical Summary

Technical Problem

During the assembly of valves for nuclear power, collisions between the valve bodies lead to paint loss and damage, and liquid leakage may occur. It is difficult for the prior art to effectively avoid these problems.

Method used

A nuclear power valve assembly device with an anti-loosening structure is designed, including a work frame, an anti-loosening structure installation device, a feed plate and a position guide mechanism. The guide plate and the arc plate are driven by the motor to rotate, combined with The airflow guidance mechanism realizes uniform guidance of the valve body and debris cleaning to avoid collision and scratches.

Benefits of technology

It effectively avoids collisions between the valve main body, protects the valve main body, improves the efficiency of debris cleaning, ensures smooth assembly, and reduces damage to the valve main body by debris.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a nuclear power valve assembly device with an anti-loosening structure, and relates to the technical field of nuclear power valve assembly. The nuclear power valve assembly device with an anti-loosening structure comprises a work frame, the outer wall of the work frame is fixedly connected with an anti-loosening structure installation device, the outer wall of the work frame is also fixedly connected with a control device, the right side of the work frame is fixedly connected with a feed plate, the top of the feed plate is fixedly connected with a guardrail, and the outer wall of the feed plate is fixedly connected with a position guide mechanism. The nuclear power valve assembly device with an anti-loosening structure has a groove of a size adapted to the valve body on the feed plate, so the valve body is located in the groove on the feed plate, and there will be a gap between the valve bodies. The existence of the gap between the valve bodies avoids collision between the valve bodies, plays a protective effect on the valve body, and the existence of the gap facilitates the cleaning of debris.
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Description

Technical Field

[0001] The invention relates to the technical field of nuclear power valve assembly, in particular to a nuclear power valve assembly device with an anti-loosening structure. Background Art

[0002] Power station special valves are mainly used in pipelines of various systems in thermal power plants to cut off or connect pipeline media;

[0003] The Chinese publication number cited is CN104985437A, which discloses a valve assembly machine, which includes a frame, a dividing turntable is provided on the frame, and a plurality of assembly stations are provided in the circumference of the outer ring of the dividing turntable. The frame is also provided with a valve core and valve body assembly mechanism, a valve body sealing ring feeding mechanism, a cover feeding mechanism and a fixing part feeding mechanism which are distributed in an arc shape on one side of the dividing turntable and can feed corresponding components to the assembly station, and a valve body inner rubber ring feeding mechanism and a valve end rubber ring feeding mechanism located on the frame are provided on the other side of the dividing turntable. The valve body rubber ring feeding mechanism is connected to the valve core feeding mechanism through a transfer transport mechanism, and the valve end rubber ring feeding mechanism is connected to the valve body feeding mechanism through a transfer transport mechanism, and the dividing turntable is connected to a rotary drive mechanism which can drive the dividing turntable to rotate circumferentially;

[0004] After the various parts of the valves used in nuclear power are manufactured, they need to be assembled into valves. Before the assembly process, the valve bodies are stacked together and then assembled. However, the collision between the valve bodies will cause the paint to fall off and the valve to be damaged. Leakage may occur after subsequent installation. Summary of the invention

[0005] In view of the deficiencies of the prior art, the present invention provides a valve assembly device for nuclear power with an anti-loosening structure to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a nuclear power valve assembly device with an anti-loosening structure, comprising a work frame, the outer wall of the work frame is fixedly connected to an anti-loosening structure installation device, the outer wall of the work frame is also fixedly connected to a control device, the right side of the work frame is fixedly connected to a feed plate, the top of the feed plate is fixedly connected to a guardrail, and the outer wall of the feed plate is fixedly connected to a position guide mechanism;

[0007] The position guiding mechanism comprises:

[0008] A first bracket, the first bracket is fixedly connected to the outer wall of the feed plate;

[0009] A motor, the motor is fixedly connected to the first bracket, and an outer wall of the motor is rotatably connected to a rotating shaft;

[0010] The inner wall of the guide plate is fixedly connected to the outer wall of the rotating shaft, and the outer wall of the feed plate is provided with a groove adapted to the guide plate, and the number of the grooves is three, and the number of the guide plates is two.

[0011] Preferably, a circular sleeve is sleeved on the outer wall of the rotating shaft at the position of the groove, and a spiral rod is fixedly connected to the outer wall of the circular sleeve, and the spiral rod is arranged in the groove at the middle position.

[0012] Preferably, a vertical plate is fixedly connected to the outer wall of the rotating shaft at the position of the circular sleeve, and a first spring is fixedly connected between the vertical plate and the circular sleeve.

[0013] Preferably, a first receiving block is fixedly connected to the outer wall of the circular sleeve, and a second receiving block is fixedly connected to the outer wall of the feed plate adjacent to the first receiving block, and the second receiving block is in active contact with the first receiving block.

[0014] Preferably, the outer wall of the rotating shaft is also fixedly connected with an arc plate, the outer wall of the arc plate is fixedly connected with a protruding block, the outer wall of the feed plate is fixedly connected with a vibrating block adjacent to the arc plate, and the arc plate is in active contact with the vibrating block.

[0015] Preferably, an airflow guiding mechanism is fixedly connected to the inner bottom of the feed plate, and the airflow guiding mechanism includes a slide rail, and the slide rail is fixedly connected to the inner bottom of the feed plate, and an electric slider is slidably connected to the outer wall of the slide rail.

[0016] Preferably, a second bracket is fixedly connected to the outer wall of the electric slider, a fan is fixedly connected to the outer wall of the second bracket, and a rubber tube is fixedly connected to the top of the fan.

[0017] Preferably, a second spring is fixedly connected between the top of the rubber tube and the fan, an air flow port is opened inside the rubber tube, a third bracket is fixedly connected to the inner top of the feed plate, an extrusion block is fixedly connected to the outer wall of the third bracket, and the rubber tube is in active contact with the extrusion block.

[0018] The present invention provides a valve assembly device for nuclear power with an anti-loosening structure. It has the following beneficial effects:

[0019] 1. The nuclear power valve assembly device with an anti-loosening structure has a groove of a size adapted to the valve body opened on the feed plate, so the valve body is located in the groove on the feed plate, and there will be a gap between the valve bodies. The existence of the gap between the valve bodies avoids collision between the valve bodies and protects the valve bodies. In addition, the existence of the gap facilitates the cleaning of debris, further avoiding the existence of debris scratching the valve body. The motor drives the rotating shaft to rotate, and the rotation of the guide plate drives the valve body to move, so that the valve bodies on the feed plate all move forward through a groove, which guides the movement of the valve body and avoids collision between the valve bodies.

[0020] 2. The nuclear power valve assembly device with an anti-loosening structure utilizes the kinetic energy generated by the rotating shaft during the rotation process to drive the rotation of the arc plate. During the rotation of the arc plate, the protruding block and the vibrating block collide with each other, which will drive the movement of the valve body. Then, under the oblique guidance of the guide plate, the valve body rolls from the guide plate during the vibration process, which plays an effect of guiding the movement of the valve body and ensures subsequent assembly. In addition, the vibration also produces the effect of debris falling, which, together with the subsequent blowing of the airflow, improves the cleaning force of the debris and avoids the existence of debris scratching the valve body.

[0021] 3. The nuclear power valve assembly device with an anti-loosening structure is detached from the second receiving block through the first receiving block. At this time, the rotation of the circular sleeve will drive the spiral rod to rotate and hit the valve body, thereby guiding the valve body to move out of the groove on the feed plate, which has the effect of guiding the movement of the valve body and at the same time produces an impact effect on the valve body, accelerating the falling of debris on the valve body.

[0022] 4. The nuclear power valve assembly device with an anti-loosening structure blows air toward the top position through the fan, and the rubber tube blows out air after passing through the extrusion block. At this time, the airflow generated by the compressed airflow is more powerful, and the airflow plays a role in supporting the valve body, reducing the collision between the valve body and the feed plate, and has the effect of buffering the valve body. It has a protective effect on the valve body, and the flow of airflow can also clean the debris on the valve body, further preventing the debris from scratching the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the axial side stereoscopic structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the partial structure of the guardrail of the present invention;

[0025] Figure 3 It is a schematic diagram of the local structure of the motor of the present invention;

[0026] Figure 4It is a schematic diagram of the local structure of the spiral rod of the present invention;

[0027] Figure 5 It is a schematic diagram of the local structure of the feed plate of the present invention;

[0028] Figure 6 It is a schematic diagram of the local structure of the fan of the present invention;

[0029] Figure 7 For the present invention Figure 6 Schematic diagram of the cross-section structure;

[0030] Figure 8 It is a schematic diagram of the local structure of the extrusion block of the present invention.

[0031] In the figure: 1. working frame; 2. control device; 3. anti-loosening structure installation device; 4. feeding plate; 5. guardrail; 6. position guiding mechanism; 61. first bracket; 62. motor; 63. rotating shaft; 64. guide plate; 65. screw rod; 66. first receiving block; 67. second receiving block; 68. vertical plate; 69. first spring; 610. circular sleeve; 7. air flow guiding mechanism; 71. slide rail; 72. electric slider; 73. second bracket; 74. fan; 75. third bracket; 76. extrusion block; 77. rubber tube; 78. second spring; 79. air flow port; 8. vibration block; 9. arc plate; 10. raised block. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0033] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0034] Embodiment 1

[0035] See also Figure 1-4 The present invention provides a technical solution: a valve assembly device for nuclear power with an anti-loosening structure, comprising a work frame 1, an anti-loosening structure installation device 3 is fixedly connected to the outer wall of the work frame 1, a control device 2 is also fixedly connected to the outer wall of the work frame 1, a feed plate 4 is fixedly connected to the right side of the work frame 1, a guardrail 5 is fixedly connected to the top of the feed plate 4, and a position guide mechanism 6 is fixedly connected to the outer wall of the feed plate 4;

[0036] The position guiding mechanism 6 comprises:

[0037] A first bracket 61, the first bracket 61 is fixedly connected to the outer wall of the feed plate 4;

[0038] The motor 62 is fixedly connected to the first bracket 61, and the outer wall of the motor 62 is rotatably connected to the rotating shaft 63;

[0039] The guide plate 64 has an inner wall fixedly connected to the outer wall of the rotating shaft 63 , and the outer wall of the feed plate 4 is provided with a groove adapted to the guide plate 64 , and the number of the grooves is three, and the number of the guide plates 64 is two.

[0040] A circular sleeve 610 is sleeved on the outer wall of the rotating shaft 63 at the position of the groove, and a spiral rod 65 is fixedly connected to the outer wall of the circular sleeve 610. The spiral rod 65 is arranged in the groove at the middle position.

[0041] A vertical plate 68 is fixedly connected to the outer wall of the rotating shaft 63 at the position of the circular sleeve 610 , and a first spring 69 is fixedly connected between the vertical plate 68 and the circular sleeve 610 .

[0042] A first receiving block 66 is fixedly connected to the outer wall of the circular sleeve 610 , and a second receiving block 67 is fixedly connected to the outer wall of the feed plate 4 adjacent to the first receiving block 66 , and the second receiving block 67 is in active contact with the first receiving block 66 .

[0043] The outer wall of the rotating shaft 63 is also fixedly connected with an arc plate 9, the outer wall of the arc plate 9 is fixedly connected with a protruding block 10, and the outer wall of the feed plate 4 is fixedly connected with a vibration block 8 adjacent to the arc plate 9, and the arc plate 9 is in active contact with the vibration block 8.

[0044] When in use, the control device 2 controls the various parts in the working frame 1 to start, and installs various parts on the valve body on the feed plate 4. Then the anti-loosening structure installation device 3 installs the anti-loosening structure. The valve body structure is first placed on the feed plate 4, and the guardrails 5 are set on both sides to intercept it. The feed plate 4 is provided with a groove that matches the size of the valve body, so the valve body is located in the groove on the feed plate 4. There will be a gap between the valve bodies. The motor 62 is powered on and started, and the motor 62 drives the rotating shaft 63 to rotate. When the rotating shaft 63 rotates, it will drive the rotation of the guide plate 64. The end position of the guide plate 64 has a large rotation angle, so it will drive the valve body to move, and then the valve body on the feed plate 4 will move forward one groove, the movement of the guide plate 64 is restricted, and the movement of the valve body is guided When the arc plate 9 rotates, the protruding block 10 and the vibrating block 8 collide with each other, which will drive the movement of the valve body. Then, under the oblique guidance of the guide plate 64, the valve body rolls from the guide plate 64 during the vibration process. The valve body then moves to the working frame 1 for assembly. During the rotation process, the first bracket 61 will also squeeze the first spring 69 through the vertical plate 68. At this time, the second receiving block 67 scrapes the first receiving block 66. When the vertical plate 68 continues to rotate, the first receiving block 66 falls off the second receiving block 67. At this time, the rotation of the circular sleeve 610 will drive the screw rod 65 to rotate and collide with the valve body, thereby guiding the valve body to move out of the groove on the feed plate 4.

[0045] Embodiment 2

[0046] See also Figure 1-8 Based on the first embodiment, the present invention provides a technical solution:

[0047] The inner bottom of the feed plate 4 is fixedly connected with an airflow guiding mechanism 7 , which includes a slide rail 71 . The slide rail 71 is fixedly connected to the inner bottom of the feed plate 4 , and an electric slider 72 is slidably connected to the outer wall of the slide rail 71 .

[0048] The outer wall of the electric slider 72 is fixedly connected to a second bracket 73 , the outer wall of the second bracket 73 is fixedly connected to a fan 74 , and the top of the fan 74 is fixedly connected to a rubber tube 77 .

[0049] A second spring 78 is fixedly connected between the top of the rubber tube 77 and the fan 74, an air flow port 79 is opened inside the rubber tube 77, a third bracket 75 is fixedly connected to the inner top of the feed plate 4, an extrusion block 76 is fixedly connected to the outer wall of the third bracket 75, and the rubber tube 77 is in active contact with the extrusion block 76.

[0050] When in use, the fan 74 is set at the bottom position of the valve body. At this time, the fan 74 blows air toward the top position. The airflow blows to the bottom of the valve body. The airflow gives the valve body an upward force, and then the electric slider 72 is powered on and starts to move on the slide rail 71. The movement of the electric slider 72 drives the movement of the fan 74. During the movement, the fan 74 drives the rubber tube 77 to move. The rubber tube 77 is squeezed onto the squeezing block 76, and then the left side of the squeezing block 76 is the position of the groove of the feed plate 4. Therefore, during the squeezing process, the airflow blown by the fan 74 is gathered in the rubber tube 77, and the rubber tube 77 blows out air after passing through the squeezing block 76. At this time, the airflow generated by the compressed airflow is more powerful, and the airflow plays a role in supporting the valve body, reducing the collision between the valve body and the feed plate 4.

[0051] Embodiment 3

[0052] See also Figure 1-8 , the present invention provides another technical solution:

[0053] A valve assembly device for nuclear power with an anti-loosening structure comprises a work frame 1, an anti-loosening structure installation device 3 is fixedly connected to the outer wall of the work frame 1, a control device 2 is also fixedly connected to the outer wall of the work frame 1, a feed plate 4 is fixedly connected to the right side of the work frame 1, a guardrail 5 is fixedly connected to the top of the feed plate 4, and a position guide mechanism 6 is fixedly connected to the outer wall of the feed plate 4;

[0054] The position guiding mechanism 6 comprises:

[0055] A first bracket 61, the first bracket 61 is fixedly connected to the outer wall of the feed plate 4;

[0056] The motor 62 is fixedly connected to the first bracket 61, and the outer wall of the motor 62 is rotatably connected to the rotating shaft 63;

[0057] The guide plate 64 has an inner wall fixedly connected to the outer wall of the rotating shaft 63 , and the outer wall of the feed plate 4 is provided with a groove adapted to the guide plate 64 , and the number of the grooves is three, and the number of the guide plates 64 is two.

[0058] A circular sleeve 610 is sleeved on the outer wall of the rotating shaft 63 at the position of the groove, and a spiral rod 65 is fixedly connected to the outer wall of the circular sleeve 610. The spiral rod 65 is arranged in the groove at the middle position.

[0059] A vertical plate 68 is fixedly connected to the outer wall of the rotating shaft 63 at the position of the circular sleeve 610 , and a first spring 69 is fixedly connected between the vertical plate 68 and the circular sleeve 610 .

[0060] A first receiving block 66 is fixedly connected to the outer wall of the circular sleeve 610 , and a second receiving block 67 is fixedly connected to the outer wall of the feed plate 4 adjacent to the first receiving block 66 , and the second receiving block 67 is in active contact with the first receiving block 66 .

[0061] The outer wall of the rotating shaft 63 is also fixedly connected with an arc plate 9, the outer wall of the arc plate 9 is fixedly connected with a protruding block 10, and the outer wall of the feed plate 4 is fixedly connected with a vibration block 8 adjacent to the arc plate 9, and the arc plate 9 is in active contact with the vibration block 8.

[0062] The inner bottom of the feed plate 4 is fixedly connected with an airflow guiding mechanism 7 , which includes a slide rail 71 . The slide rail 71 is fixedly connected to the inner bottom of the feed plate 4 , and an electric slider 72 is slidably connected to the outer wall of the slide rail 71 .

[0063] The outer wall of the electric slider 72 is fixedly connected to a second bracket 73 , the outer wall of the second bracket 73 is fixedly connected to a fan 74 , and the top of the fan 74 is fixedly connected to a rubber tube 77 .

[0064] A second spring 78 is fixedly connected between the top of the rubber tube 77 and the fan 74, an air flow port 79 is opened inside the rubber tube 77, a third bracket 75 is fixedly connected to the inner top of the feed plate 4, an extrusion block 76 is fixedly connected to the outer wall of the third bracket 75, and the rubber tube 77 is in active contact with the extrusion block 76.

[0065] When in use, the control device 2 controls the various parts in the working frame 1 to start, installs various parts on the valve body on the feed plate 4, and then the anti-loosening structure installation device 3 installs the anti-loosening structure. The valve body structure is first placed on the feed plate 4, and the guardrails 5 are set on both sides to intercept it. The feed plate 4 is provided with a groove that matches the size of the valve body, so the valve body is located in the groove on the feed plate 4, and there will be a gap between the valve bodies. The motor 62 is powered on and started, and the motor 62 drives the rotating shaft 63 to rotate. When the rotating shaft 63 rotates, it will drive the guide plate 64 The end position of the guide plate 64 rotates at a large angle, so it will drive the valve body to move, and then the valve body on the feed plate 4 will move forward a groove, and the movement of the guide plate 64 is restricted, and the valve body is guided to move to the next groove position. The rotating shaft 63 will drive the rotation of the arc plate 9 during the rotation process. During the rotation of the arc plate 9, the protruding block 10 and the vibrating block 8 will collide with each other, and the mutual collision will drive the vibration of the valve body. When the valve body vibrates, it will drive the debris on the valve body to fall off, preventing the debris from scratching the valve body. The first bracket 6 During the rotation process, the first spring 69 is squeezed by the vertical plate 68. At this time, the second receiving block 67 scrapes the first receiving block 66. When the vertical plate 68 continues to rotate, the first receiving block 66 falls off from the second receiving block 67. At this time, the rotation of the circular sleeve 610 drives the spiral rod 65 to rotate and hit the valve body, thereby guiding the valve body to move out of the groove on the feed plate 4. The fan 74 is set at the bottom position of the valve body. At this time, the fan 74 blows air toward the top position, and the air blows to the bottom of the valve body. The flow of air plays a role in cleaning the valve body. The electric slider 72 is powered on and starts to move on the slide rail 71. The movement of the electric slider 72 drives the movement of the fan 74. The fan 74 drives the rubber tube 77 to move during the movement. The rubber tube 77 is squeezed onto the squeezing block 76. Then the left side of the squeezing block 76 is the position of the groove of the feed plate 4. Therefore, during the squeezing process, the airflow blown by the fan 74 is gathered in the rubber tube 77. The rubber tube 77 blows out the airflow after passing through the squeezing block 76. At this time, the airflow force generated by the compressed airflow is greater, which increases the cleaning of the debris on the valve body.

[0066] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A valve assembly device for nuclear power with an anti-loosening structure, comprising a work frame (1), characterized in that: The outer wall of the working frame (1) is fixedly connected with an anti-loosening structure mounting device (3), the outer wall of the working frame (1) is also fixedly connected with a control device (2), the right side of the working frame (1) is fixedly connected with a feed plate (4), the top of the feed plate (4) is fixedly connected with a guardrail (5), and the outer wall of the feed plate (4) is fixedly connected with a position guiding mechanism (6); The position guiding mechanism (6) comprises: A first bracket (61), the first bracket (61) being fixedly connected to the outer wall of the feed plate (4); A motor (62), wherein the motor (62) is fixedly connected to the first bracket (61), and an outer wall of the motor (62) is rotatably connected to a rotating shaft (63); A guide plate (64), the inner wall of the guide plate (64) is fixedly connected to the outer wall of the rotating shaft (63), and the outer wall of the feed plate (4) is provided with a groove adapted to the guide plate (64), and the number of the grooves is three, and the number of the guide plates (64) is two, the outer wall of the rotating shaft (63) is located at the position of the groove and is sleeved with a circular sleeve (610), the outer wall of the circular sleeve (610) is fixedly connected with a spiral rod (65), and the spiral rod (65) is arranged in the groove at the middle position, the outer wall of the rotating shaft (63) is located at the position of the circular sleeve (610) and is fixedly connected with a vertical plate (68), and the vertical plate (68) and the circular sleeve (610) are connected. A first spring (69) is fixedly connected between the two ends of the circular sleeve (610); a first receiving block (66) is fixedly connected to the outer wall of the circular sleeve (610); a second receiving block (67) is fixedly connected to the outer wall of the feed plate (4) adjacent to the first receiving block (66); the second receiving block (67) is in active contact with the first receiving block (66); an arc plate (9) is also fixedly connected to the outer wall of the rotating shaft (63); a protruding block (10) is fixedly connected to the outer wall of the arc plate (9); a vibration block (8) is fixedly connected to the outer wall of the feed plate (4) adjacent to the arc plate (9); the arc plate (9) is in active contact with the vibration block (8).

2. A valve assembly device for nuclear power with an anti-loosening structure according to claim 1, characterized in that: The inner bottom of the feed plate (4) is fixedly connected to an airflow guiding mechanism (7), the airflow guiding mechanism (7) comprises a slide rail (71), the slide rail (71) is fixedly connected to the inner bottom of the feed plate (4), and the outer wall of the slide rail (71) is slidably connected to an electric slider (72).

3. A valve assembly device for nuclear power with an anti-loosening structure according to claim 2, characterized in that: The outer wall of the electric slider (72) is fixedly connected to a second bracket (73), the outer wall of the second bracket (73) is fixedly connected to a fan (74), and the top of the fan (74) is fixedly connected to a rubber tube (77).

4. A valve assembly device for nuclear power with an anti-loosening structure according to claim 3, characterized in that: A second spring (78) is fixedly connected between the top of the rubber tube (77) and the fan (74); an air flow port (79) is provided inside the rubber tube (77); a third bracket (75) is fixedly connected to the inner top of the feed plate (4); an extrusion block (76) is fixedly connected to the outer wall of the third bracket (75); and the rubber tube (77) is in active contact with the extrusion block (76).

Citation Information

Patent Citations

  • Valve assembling machine

    CN104985437A

  • Pipe fitting feeding device for purification column shell

    CN215438581U