Device for replacing valve body at bottom of channel

Abstract

The invention discloses a device for replacing a valve body at the bottom of a channel. The device comprises a mounting structure, a dismounting structure and a replacing structure, the dismounting structure comprises a cutting part and a dismounting driving part, the cutting part is rotationally mounted on the mounting structure and can move in the axial direction relative to the mounting structure, and the dismounting driving part is connected with the cutting part and used for driving the cutting part to rotate and can drive the cutting part to move in the axial direction; the replacement structure comprises a pressing and abutting part and a replacement driving part, the pressing and abutting part is installed on the installation structure and can move in the axial direction of the cutting part relative to the installation structure, and the replacement driving part is connected with the pressing and abutting part and used for driving the pressing and abutting part to move in the axial direction of the cutting part. According to the scheme, disassembly and replacement of the seriously damaged valve body can be completed, the purposes of saving manpower and improving the replacement efficiency of the valve body are achieved, and normal flow guiding of a channel is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of channel maintenance equipment, and particularly relates to a valve body replacement device at the bottom of a channel. Background Art

[0002] The valve body is a key component in ocean engineering and water conservancy projects. Usually, a drainage check and backwater valve is installed at the bottom of the channel to allow external water sources to flow into the channel and prevent the internal water flow in the channel from flowing to the external soil. To ensure the normal water conduction of the channel, the check and backwater valve needs to be regularly overhauled.

[0003] Publication No. CN116902183A discloses an underwater check and backwater valve repair machine. The underwater check and backwater valve repair machine includes a submersible, on which a check valve detection device and a check valve maintenance device are provided. The check valve maintenance device includes a flip mechanism for opening the valve cover of the check valve, a cleaning mechanism for cleaning the valve cavity of the check valve, a ball replacement mechanism for replacing the valve ball of the check valve, and a cover grasping mechanism for resetting the valve cover of the check valve, which solves the problems of high maintenance and replacement costs and poor safety of underwater check valves.

[0004] The repair machine in this patent is used to overhaul the valve body that is not completely damaged underwater and press against some parts to achieve the repair of the valve body. However, due to the complex flow channel conditions at the bottom of the channel, many valve bodies are severely damaged and cannot be repaired, and new valve bodies need to be replaced and installed. There is an urgent need for a valve body replacement device at the bottom of the channel to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to overcome the above technical deficiencies and propose a valve body replacement device at the bottom of a channel, so as to solve the technical problems that in the prior art, the flow channel conditions at the bottom of the channel are complex, many valve bodies are severely damaged and cannot be repaired, new valve bodies need to be replaced and installed, and there is an urgent need for a valve body replacement device at the bottom of the channel to solve the above problems.

[0006] To achieve the above technical purpose, the present invention adopts the following technical solutions: The present invention provides a valve body replacement device at the bottom of a channel, including: An installation structure; A disassembly structure, including a cutting part and a disassembly driving part. The cutting part is rotatably installed on the installation structure and can move axially relative to the installation structure. The disassembly driving part is connected to the cutting part and is used to drive the cutting part to rotate and can drive the cutting part to move axially; and A replacement structure, including a pressing part and a replacement driving part. The pressing part is installed on the installation structure and can move axially along the axis of the cutting part relative to the installation structure. The replacement driving part is connected to the pressing part and is used to drive the pressing part to move axially along the axis of the cutting part.

[0007] In some embodiments, the replacement structure further includes a locking portion, which is disposed on the mounting structure or the pressing portion, and can lock the new valve body to the pressing portion and unlock the new valve body from the pressing portion.

[0008] In some embodiments, the locking portion includes a limiting cylinder, which is mounted on the mounting structure, sleeved on the outer periphery of the pressing portion, and has a limiting channel extending along the moving direction of the pressing portion for accommodating the new valve body and having an open lower end.

[0009] In some embodiments, the locking portion further includes a limiting door and a door body driving mechanism. The limiting door is mounted on the limiting cylinder, movably covers the open end of the limiting channel, and can open and close the open end of the limiting channel during movement. The door body driving mechanism is mounted on the limiting cylinder and connected to the limiting door for driving the limiting door to move.

[0010] In some embodiments, the replacement structure further includes a first seat body and a first driving mechanism. The first seat body is mounted on the mounting structure and can move axially along the cutting portion relative to the mounting structure. The first driving mechanism is connected to the first seat body for driving the first seat body to move axially along the cutting portion. The limiting cylinder and the pressing portion are mounted on the first seat body and are mounted on the mounting structure via the first seat body.

[0011] In some embodiments, the replacement structure further includes a second seat body and a second driving mechanism. The second seat body is slidably mounted on the mounting structure, and the sliding direction thereof intersects with the moving direction of the first seat body. The second driving mechanism is mounted on the mounting structure and connected to the second seat body for driving the second seat body to slide. The first seat body is movably mounted axially along the cutting portion on the second seat body and is mounted on the mounting structure via the second seat body.

[0012] In some embodiments, the disassembly driving portion includes a third seat body, a third driving mechanism and a fourth driving mechanism. The third seat body is mounted on the mounting structure and can move axially along the cutting portion relative to the mounting structure. The third driving mechanism is connected to the third seat body for driving the third seat body to move axially along the cutting portion. The cutting portion is rotatably mounted on the third seat body and is mounted on the mounting structure via the third seat body. The fourth driving mechanism is mounted on the third seat body and connected to the cutting portion for driving the cutting portion to rotate.

[0013] In some embodiments, the disassembly structure further includes a fourth seat body and a fifth driving mechanism. The fourth seat body is slidably mounted on the mounting structure, and the sliding direction thereof intersects the axial direction of the cutting portion. The fifth driving mechanism is mounted on the mounting structure and is connected to the fourth seat body for driving the fourth seat body to slide; The third seat body is movably mounted on the fourth seat body along the axial direction of the cutting portion and is mounted on the mounting structure via the fourth seat body.

[0014] In some embodiments, the mounting structure includes a main body portion, a flipping portion and a flipping driving portion. The flipping portion is rotatably mounted on the main body portion. The flipping driving portion is mounted on the main body portion and is connected to the flipping portion for driving the flipping portion to rotate; The cutting portion and the pressing portion are respectively movably mounted on the flipping portion.

[0015] In some embodiments, the valve body replacement device further includes a moving structure. The moving structure is mounted on the mounting structure for driving the mounting structure to move.

[0016] Compared with the prior art, in the valve body replacement device at the bottom of the channel provided by the present invention, after a valve body with serious damage and unable to be repaired is found, the valve body replacement device is moved to the position of the damaged valve body, and by adjusting the placement posture of the mounting structure, the axial direction of the cutting portion is perpendicular to the exposed end face of the damaged valve body. At this time, the disassembly driving portion can be used to first drive the cutting portion to move in the direction close to the damaged valve body until the cutting portion moves to press against the valve body. Then, the disassembly driving portion is used to simultaneously drive the cutting portion to rotate and extend into the damaged valve body, so that the cutting portion breaks and embeds into the damaged valve body and destroys the internal self-locking structure of the valve body. Then, the disassembly driving portion is used to drive the cutting portion to take out the seriously damaged valve body, completing the disassembly of the damaged valve body.

[0017] After the seriously damaged valve body is taken out, the placement position of the mounting structure is adjusted again so that the moving direction of the pressing portion coincides with the axial direction of the valve body mounting hole at the bottom of the channel, and a new valve body is placed on one side of the pressing portion close to the valve body mounting hole. At this time, the replacement driving portion can be used to drive the pressing portion to move towards the valve body mounting hole until the pressing portion presses against the new valve body, and then further drive the pressing portion to completely press the new valve body into the valve body mounting hole. Thus, the disassembly and replacement of the seriously damaged valve body are completed, achieving the purpose of saving manpower, improving the valve body replacement efficiency, and ensuring the normal diversion of the channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the valve body replacement device at the bottom of the channel provided by the embodiment of the present invention; Figure 2 is Figure 1 a schematic diagram of the mounting structure, the disassembly structure and the replacement structure in Figure 3 is Figure 2 a schematic diagram of the disassembly structure and the replacement structure in Figure 4 is Figure 3 a schematic diagram of the replacement structure in Figure 5 is Figure 4 a cross-sectional view of the replacement structure in Figure 6 is Figure 3 a schematic diagram of the disassembly structure in Figure 7 is Figure 1 a schematic diagram of another angle of the valve body replacement device at the bottom of the channel in

[0019] Description of the reference numerals: 1. Installation structure; 11. Main body part; 12. Flipping part; 13. Anchoring foot plate; 2. Disassembly structure; 21. Cutting part; 22. Disassembly driving part; 221. Third seat body; 222. Fourth seat body; 223. Fourth driving mechanism; 23. Second handle; 3. Replacement structure; 31. Pressing part; 32. Replacement driving part; 33. Locking part; 331. Limiting cylinder; 331a. Limiting channel; 331b. Open end; 332. Limiting door; 34. First seat body; 35. Second seat body; 4. Moving structure; 5. Valve body wet end detection device; 51. Semi-circular cavity; 52. Water pump. Detailed implementation manners

[0020] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0021] In order to solve the technical problem that in the prior art, the flow channel situation at the bottom of the channel is complex, many valve bodies are severely damaged and cannot be repaired, and new valve bodies need to be replaced and installed, and there is an urgent need for a valve body replacement device at the bottom of the channel to solve the above problems, the present invention provides a valve body replacement device at the bottom of the channel, which can complete the disassembly and replacement of severely damaged valve bodies, achieve the purpose of saving manpower, improving the valve body replacement efficiency, and ensuring the normal diversion of the channel.

[0022] Please refer to Figures 1 to 5 , Figures 1 to 5Schematic diagram of the valve body replacement device at the bottom of the channel in an embodiment of the present invention. The valve body replacement device at the bottom of the channel includes an installation structure 1, a disassembly structure 2, and a replacement structure 3. The disassembly structure 2 includes a cutting part 21 and a disassembly driving part 22. The cutting part 21 is rotatably installed on the installation structure 1 and can move axially relative to the installation structure 1. The disassembly driving part 22 is connected to the cutting part 21 for driving the cutting part 21 to rotate and for driving the cutting part 21 to move axially. The replacement structure 3 includes a pressing part 31 and a replacement driving part 32. The pressing part 31 is installed on the installation structure 1 and can move axially along the axis of the cutting part 21 relative to the installation structure 1. The replacement driving part 32 is connected to the pressing part 31 for driving the pressing part 31 to move axially along the axis of the cutting part 21.

[0023] In the valve body replacement device at the bottom of the channel provided by the present invention, after a severely damaged and irreparable valve body is found, the valve body replacement device is moved to the position of the damaged valve body, and by adjusting the placement posture of the installation structure 1, the axis of the cutting part 21 is perpendicular to the exposed end face of the damaged valve body. At this time, the disassembly driving part 22 can be used to first drive the cutting part 21 to move in the direction close to the damaged valve body until the cutting part 21 moves to press against the valve body. Then, the disassembly driving part 22 is used to simultaneously drive the cutting part 21 to rotate and extend into the damaged valve body, so that the cutting part 21 breaks and embeds into the damaged valve body and destroys the internal self-locking structure of the valve body. Then, the disassembly driving part 22 is used to drive the cutting part 21 to take out the severely damaged valve body, completing the disassembly of the damaged valve body.

[0024] After the severely damaged valve body is taken out, the placement posture of the installation structure 1 is adjusted again to make the moving direction of the pressing part 31 coincide with the axis of the valve body installation hole at the bottom of the channel, and a new valve body is placed on the side of the pressing part 31 close to the valve body installation hole. At this time, the replacement driving part 32 can be used to drive the pressing part 31 to move towards the valve body installation hole until the pressing part 31 presses against the new valve body, and then further drive the pressing part 31 to completely press the new valve body into the valve body installation hole. Thus, the disassembly and replacement of the severely damaged valve body are completed, achieving the purpose of saving manpower, improving the efficiency of valve body replacement, and ensuring the normal diversion of the channel.

[0025] In one embodiment, please refer to Figure 4 and Figure 5 , the replacement structure 3 further includes a locking part 33. The locking part 33 is provided on the installation structure 1 or the pressing part 31 and can lock the new valve body to the pressing part 31 and can unlock the new valve body from the pressing part 31.

[0026] In this embodiment, before the mobile valve body replacement device, the new valve body can be limited below the pressing portion 31 through the locking portion 33, so that the valve body replacement device and the new valve body can be moved synchronously to the position of the damaged valve body. When the damaged valve body is taken out from the valve body mounting hole, when the pressing portion 31 moves towards the valve body mounting hole, the new valve body is unlocked through the locking portion 33. At this time, the pressing portion 31 can directly press the new valve body into the valve body mounting hole, improving convenience.

[0027] It should be noted that the pressing portion 31 can be set as a telescopic rod, can also be set as a pressing seat, or can be set in other forms. Correspondingly, the replacement driving portion 32 can be set in the form of a hydraulic rod, an electric push rod or a linear motor. Specifically, in this embodiment, the pressing portion 31 is set as a pressing seat, and the replacement driving portion 32 is set in the form of a hydraulic cylinder. The hydraulic rod of the hydraulic cylinder is connected to the pressing seat, and a flexible pad is arranged at the end of the pressing seat away from the hydraulic cylinder.

[0028] In addition, the locking portion 33 can be set in the form of two clamping arms. The two clamping arms can approach and move away from each other, and are located below the pressing portion 31, and are driven by a hydraulic rod or a driving form to clamp and release the new valve body. The locking portion 33 can also be set as an elastically telescopic buckle, and the elastically telescopic buckle can be arranged on the pressing portion, and is driven by a driving portion to expand, contract and disengage.

[0029] In one of the embodiments, the locking portion 33 includes a limiting cylinder 331. The limiting cylinder 331 is installed on the installation structure 1, sleeved on the outer periphery of the pressing portion 31, and has a limiting channel 331a. The limiting channel 331a extends along the moving direction of the pressing portion 31 for accommodating the new valve body, and the lower end is open.

[0030] In this embodiment, the new valve body is inserted into the limiting cylinder 331, and the new valve body is restricted from separating through the friction between the new valve body and the limiting cylinder 331. When the new valve body needs to be installed, the new valve body is pressed away from the limiting cylinder 331 through the pressing of the pressing seat, realizing the unlocking of the new valve body, and the structure is simple and reliable.

[0031] In one of the embodiments, the locking portion 33 further includes a limiting door 332 and a door body driving mechanism. The limiting door 332 is installed on the limiting cylinder 331, and movably covers the open end 331b of the limiting channel 331a, and can open and close the open end of the limiting channel 331a when moving. The door body driving mechanism is installed on the limiting cylinder 331 and is connected to the limiting door 332 for driving the limiting door 332 to move.

[0032] In this embodiment, after the new valve body is placed in the limiting cylinder 331, the limiting door 332 is driven by the door driving mechanism to close the open end 331b of the limiting channel 331a, effectively preventing the new valve body from accidentally detaching during the movement of the device. When installing or replacing the new valve body, the limiting door 332 is driven by the door driving mechanism to open the open end 331b of the limiting channel 331a.

[0033] It should be noted that in one embodiment, the limiting door 332 is rotatably installed at the open end 331b of the limiting cylinder 331. The door driving mechanism can be set as a door hydraulic cylinder. The door hydraulic cylinder is located outside the limiting channel 331a and is respectively rotatably connected to the limiting cylinder 331 and the limiting door 332, so as to drive the limiting door 332 to rotate when telescoping.

[0034] In another embodiment, the limiting door 332 is slidably installed at the open end 331b of the limiting cylinder 331. The sliding direction of the limiting door 332 is parallel to the plane where the open end is located. A bracket is correspondingly arranged outside the limiting cylinder 331 for installing the door driving mechanism. The door driving mechanism drives the limiting door 332 to slide to open and close the open end. Specifically, in this embodiment, the door driving mechanism can be set in the form of a hydraulic cylinder or a pneumatic cylinder.

[0035] In one of the embodiments, the replacement structure 3 further includes a first seat body 34 and a first driving mechanism. The first seat body 34 is installed on the installation structure 1 and can move axially along the cutting part 21 relative to the installation structure 1. The first driving mechanism is connected to the first seat body 34 and is used to drive the first seat body 34 to move axially along the cutting part 21; the limiting cylinder 331 and the pressing part 31 are installed on the first seat body 34 and are installed on the installation structure 1 via the first seat body 34.

[0036] In this embodiment, the first driving mechanism can also be used to drive the first seat body 34 to slide axially along the cutting part 21, thereby driving the pressing seat and the limiting cylinder 331 to move axially along the cutting part 21, that is, making the pressing seat and the limiting cylinder 331 approach and move away from the valve body installation hole synchronously, so that the limiting channel 331a of the limiting cylinder 331 plays a guiding role and expands the moving stroke of the pressing seat.

[0037] In one of the embodiments, the replacement structure 3 further includes a second seat body 35 and a second driving mechanism. The second seat body 35 is slidably installed on the installation structure 1, and its sliding direction intersects with the moving direction of the first seat body 34. The second driving mechanism is installed on the installation structure 1 and is connected to the second seat body 35 for driving the second seat body 35 to slide; the first seat body 34 is axially movably installed on the second seat body 35 and is installed on the installation structure 1 via the second seat body 35.

[0038] In this embodiment, for the convenience of description, with the attached Figure 3For example, the axial direction of the cutting part 21 is defined as the vertical direction, and the sliding direction of the second seat body 35 is defined as the horizontal direction. In this solution, the second driving mechanism can be used to drive the second seat body 35 to move horizontally, so as to adjust the position of the pressing seat in the horizontal direction, which is convenient for the pressing seat to quickly align with the valve body mounting hole and improve the convenience.

[0039] It should be noted that the second driving mechanism can be set in the form of a hydraulic rod, a pneumatic cylinder or a linear motor. The connection form and driving process between it and the second seat body 35 and the mounting structure 1 are prior arts and will not be elaborated here. In addition, one of the first seat body 34 and the second seat body 35 is provided with a sliding sleeve, and the other is provided with a sliding groove. The sliding sleeve is clamped in the sliding groove, and the sliding groove and the sliding sleeve extend along the axial direction of the cutting part 21.

[0040] In addition, it should be noted that the first driving mechanism can be set in the form of a hydraulic rod or a pneumatic cylinder, and can also be set in other forms.

[0041] Specifically, the first driving mechanism includes a first rack, a first gear and a first driving motor. The first rack is installed on the second seat body 35 and extends along the axial direction of the cutting part 21. The first gear is rotatably installed on the first seat body 34 and meshes with the first rack. The first driving motor is installed on the first seat body and connected to the first gear for driving the first gear to rotate, so as to drive the first seat body 34 to move along the axial direction of the cutting part 21.

[0042] In addition, the replacement structure 3 further includes a first handle, and the first handle is also connected to the first gear. When the first driving motor is abnormal, the first handle can be manually rotated to drive the pressing seat to move vertically.

[0043] In one embodiment, the disassembly driving part 22 includes a third seat body 221, a third driving mechanism and a fourth driving mechanism 223. The third seat body 221 is installed on the mounting structure 1 and can move relative to the mounting structure 1 along the axial direction of the cutting part 21. The third driving mechanism is connected to the third seat body 221 for driving the third seat body 221 to move along the axial direction of the cutting part 21. The cutting part 21 is rotatably installed on the third seat body 221 and is installed on the mounting structure 1 through the third seat body 221. The fourth driving mechanism 223 is installed on the third seat body 221 and is connected to the cutting part 21 for driving the cutting part 21 to rotate.

[0044] In this embodiment, the third driving mechanism is used to drive the third seat body 221 to move vertically, so as to drive the cutting part 21 and the fourth driving mechanism 223 to move vertically synchronously, and then the fourth driving mechanism 223 is used to drive the cutting part 21 to rotate, so as to break the self-locking structure of the valve body.

[0045] It should be noted that the third driving mechanism can be set in the form of a hydraulic rod, a pneumatic cylinder or a linear motor. The fourth driving mechanism 223 can be set in the form of a rotary motor, or in the form of a combination of a linear driving structure and a gear, or in the form of a combination of a linear driving structure and a reciprocating connecting rod.

[0046] In one embodiment, the disassembly structure 2 further includes a fourth seat body 222 and a fifth driving mechanism. The fourth seat body 222 is slidably mounted on the mounting structure 1, and its sliding direction intersects the axial direction of the cutting part 21. The fifth driving mechanism is mounted on the mounting structure 1 and is connected to the fourth seat body 222 for driving the fourth seat body 222 to slide; the third seat body 221 is movably mounted on the fourth seat body 222 along the axial direction of the cutting part 21 and is mounted on the mounting structure 1 via the fourth seat body 222.

[0047] In this embodiment, taking Figure 3 and Figure 6 as an example, the fifth driving mechanism can drive the fourth seat body 222 to move horizontally, thereby adjusting the position of the cutting part 21 in the horizontal direction, so that the cutting part 21 can quickly align with the damaged valve body, improving the convenience.

[0048] It should be noted that in this solution, a chute and a slider are provided between the third seat body 221 and the fourth seat body 222. Correspondingly, a chute and a slider are provided between the fourth seat body 222 and the mounting structure 1. The extending directions of the chute and the slider respectively correspond to the moving directions of the respective main bodies. In addition, the fifth driving mechanism can be set in the form of a hydraulic rod, a pneumatic cylinder or a linear motor. It should be understood that each driving mechanism is provided between two adjacent main bodies to be able to drive the corresponding main body to move.

[0049] Specifically, in one embodiment, the third driving mechanism includes a second rack, a second gear and a second driving motor. The second rack is mounted on the fourth seat body 222 and extends along the axial direction of the cutting part 21. The second gear is rotatably mounted on the third seat body 221 and meshes with the second rack. The second driving motor is mounted on the third seat body 221 and is connected to the second gear for driving the second gear to rotate, thereby driving the third seat body 221 to move along the axial direction of the cutting part 21.

[0050] The disassembly structure 2 further includes a second handle 23. The second handle 23 is also connected to the second gear. When the second driving motor is abnormal, the second handle 23 can be manually rotated to drive the cutting part 21 to move vertically.

[0051] It should be noted that the mounting structure 1 can be set in the form of a frame, a seat body or a mobile trolley, or in other forms.

[0052] In one embodiment, the installation structure 1 includes a main body portion 11, a flipping portion 12, and a flipping driving portion. The flipping portion 12 is rotatably installed on the main body portion 11. The flipping driving portion is installed on the main body portion 11 and is connected to the flipping portion 12 for driving the flipping portion 12 to rotate. The cutting portion 21 and the pressing portion are respectively movably installed on the flipping portion 12.

[0053] In this embodiment, the flipping driving portion can be used to drive the flipping portion 12 to rotate relative to the main body portion 11, making the activities of the cutting portion 21 and the pressing seat more flexible, so as to be applicable to damaged valve bodies at different positions. At the same time, the device can also adapt to more complex environments by retracting the flipping portion 12.

[0054] It should be noted that the flipping driving portion can be set in the form of a flipping motor, a driving gear, and a driven gear. The driven gear is installed on the flipping portion 12, the flipping motor is installed on the main body portion 11 and is connected to the driving gear, and the driving gear meshes with the driven gear. By rotating the flipping motor, the flipping portion 12 is driven to rotate. The specific structure and working principle are prior art and will not be elaborated here. In addition, the flipping driving portion can also be set in the form of a hydraulic rod or a pneumatic rod. Taking the hydraulic rod as an example, the two ends of the hydraulic rod are respectively rotatably connected to the flipping portion 12 and the main body portion 11, and the flipping portion 12 is rotated by telescoping.

[0055] In addition, in this embodiment, both the main body portion 11 and the flipping portion 12 are set in the form of a frame. And both the disassembly structure 2 and the replacement structure 3 can be retracted into the frame of the flipping portion 12 to protect both of them.

[0056] In one embodiment, an anchoring foot plate 13 is provided on the flipping portion 12. When the flipping portion 12 rotates to place the cutting portion 21 in the vertical direction, the anchoring foot plate 13 can be anchored to the bottom of the channel to improve stability. The cutting portion 21 can be a milling cutter, a drill bit, or a blade. Specifically, in this solution, the cutting portion 21 is set in the form of a spiral drill bit to facilitate taking out the damaged valve body, and a guide cylinder is provided corresponding to the spiral drill bit, and the spiral drill bit rotates in the guide cylinder. In addition, the spiral drill bit is an electric drill bit and is driven by a motor.

[0057] In one embodiment, the valve body replacement device further includes a moving structure 4. The moving structure 4 is installed on the installation structure 1 for driving the installation structure 1 to move.

[0058] In this embodiment, the installation structure 1 can also be driven to move by the moving structure 4, making the position adjustment of the device more flexible. It should be noted that the moving structure 4 can be in the form of a robotic arm, a moving track, and moving wheels, and is correspondingly matched with a driving component. Specifically, in this solution, the moving structure 4 is set in the form of a moving track and can drive the installation structure 1 to move in any direction in the horizontal plane. The driving component corresponding to the moving track is prior art and will not be elaborated here.

[0059] In one of the embodiments, please refer to Figure 1 and Figure 7 , the valve body replacement device at the bottom of the channel further includes a wet end detection device 5 for the valve body. The wet end detection device 5 for the valve body can quickly detect whether the valve body needs to be repaired. The wet end detection device 5 for the valve body includes two semi-cylindrical cavities 51. The two semi-cylindrical cavities 51 are sleeved inside and outside and are installed on the installation structure 1 in a liftable manner. Pressure sensors are respectively arranged in the two semi-cylindrical cavities 51, and water pumps 52 are correspondingly connected. The water pressure in the corresponding cavities is adjusted through the water pumps 52.

[0060] In addition, a high-pressure water cleaning system, a vehicle-mounted lighting system and a camera auxiliary system can be carried. It can bear weight and can be used as an underwater anchor point. At the same time, a flip-type working platform is carried, and a drill bit with an embedded and crushed type and an up-pulling function is carried. The personnel on the shore search for the target valve body through the camera carried by the platform and stop near the target, solving the problem of insufficient lighting for divers during manual maintenance.

[0061] The valve body replacement device at the bottom of the channel is moved to the designated position, and the surrounding and surface of the valve body are cleaned by using the carried high-pressure water cleaning system. Then, the wet end detection device 5 for the valve body is covered above the valve body for relevant detection. If the valve body is normal, the detection device is recovered and moved to the next target. If the valve body is damaged, the reverse water valve cover plate is cut open by using the drill bit, the drill bit is embedded in the valve body, and the drill bit cuts back and forth along the sleeve until the internal structure is completely damaged. Then, the drill bit is withdrawn and the residual waste is taken out, and a new valve body is inserted and fixed.

[0062] To better understand the present invention, the following is a detailed description of the technical solution of the present invention in conjunction with Figures 1 to 7 : In this solution, the moving crawler is driven to rotate by the corresponding driving component, and then the installation structure 1 is driven to reach the damaged valve body. Then, the flipping part 12 is flipped and placed in the working area to be worked by the flipping driving part, and after being fixed in position by the anchoring foot plate 13, the disassembly work of the damaged valve body is started by using the spiral drill bit of the cutting part 21. During disassembly, first, the fourth seat body 222 is slid to position the cutting part 21 at the position corresponding to the valve body to achieve precise positioning of the drill bit. Then, the drill bit is driven to move downward to damage the valve body, and then the drill bit is moved upward to take out the damaged valve body.

[0063] Then, the fourth seat body 222 is slid again to slide the cutting part 21 to a position avoiding the valve body installation hole, and the second seat body 35 is slid to slide the pressing seat to a position facing the valve body installation hole. Then, the limiting door 332 at the open end 331b of the limiting cylinder 331 is opened, and the open end 331b of the limiting cylinder 331 is butted against the valve body installation hole. Then, the pressing seat is driven to send the new valve body into the valve body installation hole to complete the installation of the new valve body.

[0064] The present invention can achieve unmanned automated operation, avoid manual replacement of the valve body, ensure the safety of the staff, and can greatly improve the replacement efficiency and quality, saving labor costs.

[0065] The specific embodiments of the present invention described above do not constitute a limitation on the protection scope of the present invention. Any other corresponding changes and deformations made according to the technical concept of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A valve body replacement device at the bottom of a channel, characterized in that: include: Mounting structure; A disassembly structure, comprising a cutting part and a disassembly driving part, wherein the cutting part is rotatably mounted on the mounting structure and can move along its axial direction relative to the mounting structure, and the disassembly driving part is connected to the cutting part and is used to drive the cutting part to rotate and can drive the cutting part to move along its axial direction; and The replacement structure includes a pressing part and a replacement drive part. The pressing part is installed on the installation structure and can move relative to the installation structure along the axial direction of the cutting part. The replacement drive part is connected to the pressing part and is used to drive the pressing part to move along the axial direction of the cutting part.

2. The valve body replacement device at the bottom of the channel according to claim 1, characterized in that: The replacement structure further includes a locking portion, which is disposed on the mounting structure or the pressing portion and can lock the new valve body on the pressing portion and can unlock the new valve body from the pressing portion.

3. The valve body replacement device at the bottom of the channel according to claim 2, characterized in that: The locking portion includes a limiting cylinder, which is installed on the installation structure and sleeved on the outer periphery of the pressing portion, and has a limiting channel. The limiting channel extends along the movable direction of the pressing portion and is used to accommodate the new valve body, and the lower end is open.

4. The valve body replacement device at the bottom of the channel according to claim 3, characterized in that: The locking part also includes a limit door and a door driving mechanism. The limit door is installed on the limit cylinder, and a movable cover is provided at the open end of the limit channel and can open and close the opening of the limit channel when moving. The door driving mechanism is installed on the limit cylinder and connected to the limit door for driving the limit door to move.

5. The valve body replacement device at the bottom of the channel according to claim 3, characterized in that: The replacement structure further includes a first seat body and a first driving mechanism, wherein the first seat body is mounted on the mounting structure and can move relative to the mounting structure along the axial direction of the cutting portion, and the first driving mechanism is connected to the first seat body and is used to drive the first seat body to move along the axial direction of the cutting portion; The limiting cylinder and the pressing portion are installed on the first seat body, and are installed on the installation structure via the first seat body.

6. The valve body replacement device at the bottom of the channel according to claim 5, characterized in that: The replacement structure further includes a second seat body and a second driving mechanism, wherein the second seat body is slidably mounted on the mounting structure, and its sliding direction intersects with the moving direction of the first seat body, and the second driving mechanism is mounted on the mounting structure and connected to the second seat body, and is used to drive the second seat body to slide; The first seat body is movably mounted on the second seat body along the axial direction of the cutting portion, and is mounted on the mounting structure via the second seat body.

7. The valve body replacement device at the bottom of the channel according to claim 1, characterized in that: The disassembly driving portion includes a third seat body, a third driving mechanism and a fourth driving mechanism. The third seat body is mounted on the mounting structure and can move relative to the mounting structure along the axial direction of the cutting portion. The third driving mechanism is connected to the third seat body and is used to drive the third seat body to move along the axial direction of the cutting portion. The cutting part is rotatably mounted on the third seat body and is mounted on the mounting structure via the third seat body. The fourth driving mechanism is mounted on the third seat body and connected to the cutting part for driving the cutting part to rotate.

8. The valve body replacement device at the bottom of the channel according to claim 7, characterized in that: The disassembly structure further includes a fourth seat body and a fifth driving mechanism, wherein the fourth seat body is slidably mounted on the mounting structure, and its sliding direction intersects with the axial direction of the cutting portion, and the fifth driving mechanism is mounted on the mounting structure and connected to the fourth seat body, and is used to drive the fourth seat body to slide; The third seat body is movably mounted on the fourth seat body along the axial direction of the cutting portion, and is mounted on the mounting structure via the fourth seat body.

9. The valve body replacement device at the bottom of the channel according to claim 1, characterized in that: The mounting structure comprises a main body, a flipping part and a flipping driving part, wherein the flipping part is rotatably mounted on the main body, and the flipping driving part is mounted on the main body and connected to the flipping part to drive the flipping part to rotate; The cutting part and the pressing part are movably mounted on the turning part respectively.

10. The valve body replacement device at the bottom of the channel according to claim 1, characterized in that: The valve body replacement device also includes a moving structure, which is installed on the mounting structure and is used to drive the mounting structure to move.

Images