Screw rod opening and closing machine screw rod maintenance and maintenance all-in-one machine and method

Abstract

The application discloses a screw opening and closing machine screw maintenance integrated machine and method, and the equipment is sequentially provided with a bearing climbing layer, a polishing and cleaning layer and a lubricating and coating layer from bottom to top, and is provided with a matching operation end integrated with a controller. The bearing climbing layer adopts a split type opening and closing rack, can be directly sleeved on the outside of a screw in use, is matched with an adjustable ring type driving wheel climbing mechanism, and realizes autonomous up and down climbing of the whole machine along the screw. The polishing and cleaning layer is provided with a split type base plate, a plurality of groups of rotating cleaning brushes are circumferentially arranged, a 360-degree dead angle free cleaning structure is formed, and rust and impurities of the screw are completely removed. The lubricating and coating layer drives a universal bamboo joint oil nozzle and a roller brush through an electric sliding rail, realizes seamless connection of oil spraying and coating, and is matched with a camera for remotely monitoring a coating state. The application integrates automatic climbing, polishing rust removal and lubricating coating, does not need manual climbing and dismounting of the screw, solves the problems of low efficiency, uneven quality and high safety risk of traditional maintenance, and is suitable for automatic maintenance of various in-use gate screws.

Description

Technical Field

[0001] This invention relates to the field of hydraulic gate technology, specifically to an integrated machine and method for maintaining and repairing the screw of a screw gate opener. Background Technology

[0002] Gate screws exposed to humid, dusty, or salt spray environments for extended periods are prone to surface corrosion, thread wear, and jamming. This not only reduces transmission efficiency but may also cause safety hazards such as gate opening and closing jams, motor overload, or even screw breakage. Therefore, regular rust removal and oiling maintenance are crucial for ensuring the long-term stable operation of the equipment. Currently, gate screw maintenance is still mainly done manually. Workers need to use scaffolding and other high-altitude equipment to complete the work by hand grinding and applying grease. This is not only labor-intensive and inefficient, but also poses high safety risks for working at heights. Furthermore, the maintenance quality is uneven and it is difficult to adapt to the needs of long screws and special installation positions. The few experimental mechanical devices available in the industry suffer from poor adaptability and significant limitations, making them unsuitable for practical application. For example, the Chinese invention patent with authorization announcement number CN 217165435 U still uses manual hand-cranking for lifting and lowering, failing to change the current situation where maintenance is primarily manual. Furthermore, this device uses an integral frame, while gate screws often have limiting structures or auxiliary components at both ends. The integral frame cannot be directly fitted onto an already installed screw; it must be pre-assembled before screw installation, limiting its applicability. This integral frame design restricts the flexibility of the equipment, cannot meet the maintenance needs of already operational gate screws, and further highlights the shortcomings of existing technology.

[0003] The cleaning components have the following problems: First, insufficient circumferential coverage: with only two sets of brush units, the screw circumference is only intermittently wiped at two points, failing to fully cover the thread circumference, root, and sides, resulting in incomplete cleaning of impurities. Second, lack of layered cleaning function: using only a single type of brush without differentiation between soft / hard or material types, the cleaning function is limited and the cleaning and rust removal effect is limited.

[0004] In addition, this type of device only has basic cleaning functions, does not integrate a lubrication mechanism, and has limited functionality.

[0005] In summary, current lead screw maintenance equipment suffers from problems such as poor impurity removal, lack of integrated lubrication function, poor frame adaptability, unreasonable climbing method, and low degree of automation, making it unable to efficiently complete the maintenance of installed lead screws. Therefore, further improvements are necessary. Summary of the Invention

[0006] This invention aims to at least partially solve one of the technical problems in related technologies. To this end, this invention proposes a grinding and cleaning device and an integrated machine for maintaining and repairing the lead screw of a screw hoist.

[0007] The technical solution of this invention to solve the technical problem is as follows: Firstly, this technical solution proposes an integrated maintenance and repair machine for the screw hoist's lead screw, comprising a connected load-bearing climbing layer, a grinding and cleaning layer, and a lubrication coating layer; wherein: The climbing layer includes a frame that can be fitted over the screw. The frame includes a first support and a second support that are separately arranged. The ends of the first support and the second support can be engaged or disengaged. The frame is equipped with a climbing mechanism that can move up and down along the screw. The polishing and cleaning layer includes a base plate connected to the frame. The base plates are arranged correspondingly to the frame and are all of a split structure, consisting of a first base plate and a second base plate. Half holes are opened at the opposite ends of the first base plate and the second base plate. When the two half holes are joined together, they form a central hole through which the lead screw passes. Multiple freely rotatable cleaning brushes are arranged around the central hole. The cleaning brushes are rotatably connected to the base plate and are connected to a power mechanism. The lubricating coating layer includes at least one set of lubricating coating units. Each lubricating coating unit includes an electric slide rail connected to a substrate. The electric slide rail is equipped with a distributor that can slide left and right. The oil inlet of the distributor is connected to an external oil pump device. The oil outlet of the distributor is connected to a universal bamboo joint oil nozzle that can adjust the spray angle. The outlet end of the universal bamboo joint oil nozzle is equipped with a roller brush for coating lubricating oil. The roller brush is rotatably connected to the electric slide rail. It also includes an operating terminal, which integrates a controller that is connected to various electrical components.

[0008] Preferably, both the first bracket and the second bracket have two docking free ends. The docking free ends of the first bracket and the docking free ends of the second bracket are detachably connected in a one-to-one correspondence, and after the two are connected, the frame body forms a closed integrated load-bearing structure. A guide bracket is slidably provided on the second bracket. The guide bracket can slide back and forth along the length direction of the second bracket to adjust the distance between the guide bracket and the first bracket.

[0009] Preferably, the second bracket is threaded with a threaded rod, one end of which is rotatably connected to the guide bracket. Tightening the threaded rod can drive the guide bracket to slide along the length direction of the second bracket.

[0010] Preferably, the climbing mechanism includes a first drive wheel and a second drive wheel. At least one first drive wheel is rotatably connected to the first bracket, and at least one second drive wheel is rotatably connected to the guide bracket. The first and second drive wheels are respectively connected to drive motors, and the drive motor corresponding to the second drive wheel is mounted on the guide bracket. A passage gap is formed between the first drive wheel and the second drive wheel for the lead screw to pass through. The first and second drive wheels are used to clamp the lead screw and crawl along its axial direction.

[0011] Preferably, both the first driving wheel and the second driving wheel have clamping grooves on their surfaces, and the first driving wheel and the second driving wheel are symmetrically distributed on both sides of the lead screw, together forming a ring-shaped clamping of the lead screw.

[0012] Preferably, the power mechanism includes a plurality of axles, which are rotatably connected to the base plate, and the axles are divided into first axles and second axles; wherein, all first axles are disposed on the first base plate, all second axles are disposed on the second base plate, each axle perpendicularly penetrates the base plate, a pulley is connected to the top of the axle, and the cleaning brush is connected to the bottom; the pulleys of all first axles on the first base plate are connected by the same first transmission belt, and the pulleys of all second axles on the second base plate are connected by the same second transmission belt, and the first transmission belt and the second transmission belt are respectively connected to a power motor.

[0013] Preferably, the adjacent cleaning brushes are arranged in a staggered manner.

[0014] Preferably, the electric slide rail includes a profile base with supports at both ends. A rotatable ball screw is connected to the supports, and a nut seat is fitted on the ball screw. The nut seat is fixedly connected to the distributor, and the nut seat and the ball screw form a helical transmission engagement. A servo motor is connected to one end of the ball screw.

[0015] Preferably, a camera is also fixedly installed on the profile base, and the camera is electrically connected to a display screen.

[0016] Secondly, this technical solution proposes an operation method for an integrated maintenance and repair machine for the screw hoist's lead screw, including the following steps: I. On-site equipment installation 1.1 Frame split insertion into the lead screw: Separate the first and second supports of the frame and insert them directly into the outside of the lead screw from the side; 1.2 Bracket docking and locking: Align and lock the free ends of the first bracket and the second bracket to form a closed integrated load-bearing structure; 1.3 Adjusting the clamping distance: Rotating the threaded rod drives the guide bracket to slide, adjusting the distance between the first driving wheel and the second driving wheel so that the two driving wheels form a ring-shaped clamping grip on the screw. 1.4 Synchronous Closure of Working Layers: Confirm that the grinding and cleaning layer and the lubrication coating layer close synchronously with the frame, with the center hole fitting the lead screw and no structural interference; II. Automated Maintenance Operations 2.1 Parameter Setting: Set the required operating parameters on the controller; 2.2 Start-up process: The controller starts the climbing mechanism and power mechanism. The climbing mechanism climbs upward along the lead screw, and the cleaning brush rotates synchronously to polish the cleaning layer. After reaching the preset critical point, the climbing mechanism and power mechanism are paused. The oil pump device is started remotely through the controller. At the same time, the climbing mechanism is controlled to make the whole machine move downward along the lead screw. The universal bamboo joint oil nozzle sprays oil synchronously, and the roller brush spreads the oil evenly in time, forming a continuous and uniform protective oil film on the surface of the lead screw. 2.3 Remote monitoring: Operators can view the spraying and coating status in real time on a display screen on the ground; 2.4 Journey Completion: After the equipment descends to the preset starting position, it automatically stops to complete the maintenance work; III. Post-work completion 3.1 Equipment shutdown and power disconnection: After confirming that the operation is completed, turn off the main power supply and disconnect the power supply cable.

[0017] 3.2 Equipment disassembly and removal: Loosen the frame, separate the first support and the second support, and remove the equipment from the side of the lead screw; 3.3 On-site cleanup: Clean up oil and impurities around the lead screw, and recycle discarded tools and consumables; 3.4 Data Retention: Save the monitoring screen and operation records to enable traceability of the maintenance process.

[0018] The above technical solution has the following advantages or beneficial effects: 1. This all-in-one machine integrates a grinding and cleaning layer, a lubrication coating layer, and a load-bearing climbing layer. Using an automatic climbing mechanism as the moving carrier, it creates a complete screw maintenance equipment that integrates automatic climbing, grinding and rust removal, and lubrication coating. It effectively solves the industry pain points of high labor intensity, low efficiency, and uneven quality in the manual maintenance of hydraulic gate screws.

[0019] 2. The grinding and cleaning device uses multiple sets of cleaning brushes evenly arranged in a ring around the center hole to form a 360° circumferential cleaning structure, completely surrounding the outer contour of the lead screw without any gaps or omissions. This eliminates the blind spots of traditional two-point circumferential cleaning, ensuring that the entire outer circumferential surface of the lead screw is contacted by cleaning brushes. This overcomes the problems of insufficient circumferential coverage and inadequate cleaning of dead corners at the bottom and sides of the thread in traditional two-set brushes.

[0020] 3. The frame adopts a split, detachable, and closable structure, which can be directly fitted onto the outside of the already installed gate screw without disassembling the screw or removing the limiting structures at both ends. This solves the problem that integral frames cannot be adapted to existing screws, making on-site installation more convenient. The climbing mechanism can autonomously climb up and down along the screw, completely replacing manual climbing operations and avoiding the safety hazards of high-altitude maintenance of hydraulic gates from the source. At the same time, it moves at a uniform speed and stably, greatly improving the automation level and work efficiency of screw maintenance.

[0021] 4. The lubrication coating layer adopts an integrated structure with centralized oil supply from the distributor, directional oil spraying from the universal bamboo joint nozzle, and synchronous coating by the roller brush, achieving seamless connection between oil spraying and coating. The structure is simple and compact, with high coating efficiency, and can stably complete the automated lubrication coating operation of the lead screw. Attached Figure Description

[0022] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0023] Figure 1 It is a three-dimensional integrated machine for the maintenance and repair of screw gate hoists and lead screws. Figure 1 .

[0024] Figure 2 The explosion was caused by the screw hoist screw maintenance and repair integrated machine. Figure 1 .

[0025] Figure 3 This is a top view of the screw hoist screw maintenance and repair integrated machine.

[0026] Figure 4 The explosion was caused by the screw hoist screw maintenance and repair integrated machine. Figure 2 (The supporting climbing layer is omitted).

[0027] Figure 5 It is a three-dimensional structure that supports climbing levels. Figure 1 (The first and second stents are in a separated state.)

[0028] Figure 6 It is a three-dimensional structure that supports climbing levels. Figure 2 (The connection status of one of the docking free ends of the first and second supports).

[0029] Figure 7 This is a top view of the climbing layer (the first and second supports are separated).

[0030] Figure 8 It is a three-dimensional structure that supports climbing levels. Figure 3 (The two docking free ends of the first and second supports are fully connected).

[0031] Figure 9 This is a 3D view of the screw hoist screw maintenance and repair integrated machine in operation.

[0032] Figure 10 This is the front view of the screw hoist screw maintenance and repair integrated machine in operation.

[0033] Figure 11 This is an enlarged view of the lubrication coating unit.

[0034] Figure 12 It is a three-dimensional polishing and cleaning layer Figure 1 .

[0035] Figure 13 It is a three-dimensional polishing and cleaning layer Figure 2 .

[0036] Figure 14 This is the main view of the polishing and cleaning layer.

[0037] Figure 15 This is a top view of the polished and cleaned layer.

[0038] Figure 16 This is an exploded view of a screw hoist screw maintenance and repair machine with two grinding and cleaning layers.

[0039] Figure 17 It is a working structure of a screw hoist screw maintenance and repair machine with two grinding and cleaning layers. Figure 1 .

[0040] Figure 18 It is a working structure of a screw hoist screw maintenance and repair machine with two grinding and cleaning layers. Figure 2 .

[0041] Explanation of reference numerals in the attached figures: 1. Supporting climbing layer; 11. Support leg; 12. Upright frame; 13. First support; 131. First hole; 14. Second support; 141. Slide groove; 142. Second hole; 15. Guide support; 16. Handwheel; 17. Cross brace; 18. End plate; 19. Threaded rod; 120. First drive wheel; 121. Second drive wheel; 122. Drive motor; 2. Grinding and cleaning layer; 21. First substrate; 22. Second substrate; 211. First transmission belt; 212. First axle; 201. Center hole; 202. Power motor; 203. Cleaning brush; 221. Second axle; 222. Second transmission belt; 3. Lubricating coating layer; 31. First support base; 32. Second support base; 33. Wheel frame; 34. Electric slide rail; 341. Profile base; 342. Support; 343. Ball screw; 35. Guide rod; 36. Distributor; 37. Servo motor; 38. Universal bamboo joint oil spray nozzle; 39. Roller brush; 4. Lead screw. Detailed Implementation

[0042] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0043] like Figures 1-15 As shown, this embodiment proposes an integrated maintenance machine for the screw hoist's lead screw, including a load-bearing climbing layer 1, a grinding and cleaning layer 2, and a lubrication coating layer 3 connected together; wherein: The climbing layer 1 includes a frame that can be fitted onto the outside of the lead screw 4. The frame includes a first support 13 and a second support 14 that are separately arranged. The ends of the first support 13 and the second support 14 can be engaged or disassembled for easy assembly and disassembly. The frame is provided with a climbing mechanism that can move up and down along the lead screw 4.

[0044] The grinding and cleaning layer 2 includes a base plate connected to the frame. The base plates are arranged correspondingly to the frame and are both of a split structure, consisting of a first base plate 21 and a second base plate 22. Half-holes are formed at opposite ends of the first base plate 21 and the second base plate 22. When they are aligned, the two half-holes are joined to form a central hole 201 through which the lead screw 4 passes. Multiple freely rotatable cleaning brushes 203 are arranged circumferentially along the central hole 201. The cleaning brushes 203 are rotatably connected to the base plate and are connected to a power mechanism. The grinding and cleaning layer 2 arranges the cleaning brushes 203 around the outer periphery of the lead screw 4. Driven by a power source, they achieve high-speed rotation, thoroughly removing rust, dust, salt spray deposits, and aged grease from the surface of the lead screw 4. The cleaning range covers the entire circumference of the lead screw 4, and the cleaning force is uniform and controllable, providing a clean working surface for subsequent lubrication coating.

[0045] Design advantages: Multiple sets of cleaning brushes 203 are evenly arranged around the center hole 201 to form a 360° circumferential cleaning structure, completely surrounding the outer contour of the lead screw 4 without any gaps or omissions. This eliminates the blind spots of traditional two-point circumferential cleaning, and the entire outer circumferential surface of the lead screw 4 is contacted by the cleaning brushes 203. This overcomes the problems of insufficient circumferential coverage and inadequate cleaning of dead corners at the bottom and sides of the thread in traditional two-set brushes.

[0046] The lubrication coating layer 3 includes at least one set of lubrication coating units. Each lubrication coating unit includes an electric slide rail 34 connected to the substrate. The electric slide rail 34 is equipped with a distributor 36 that can slide left and right. The oil inlet of the distributor 36 is connected to an external oil pump device, and the oil outlet of the distributor 36 is connected to a universal bamboo joint oil nozzle 38 that can adjust the spray angle. The outlet end of the universal bamboo joint oil nozzle 38 is equipped with a roller brush 39 for coating lubricating oil. The roller brush 39 is rotatably connected to the electric slide rail 34. The lubrication coating layer 3 is equipped with an oil supply component and a uniform coating component, which can uniformly coat the lubricating grease on the cleaned lead screw 4 surface to form a protective oil film of uniform thickness, effectively improving the rust prevention and lubrication effect of the lead screw 4 and extending the service life of the lead screw 4.

[0047] It also includes an operating terminal, which integrates a controller that is connected to various electrical components.

[0048] This all-in-one machine is suitable for applications such as grinding, lubrication, and surface treatment of screw hoists used in water conservancy machinery engineering, water conservancy hubs, reservoir gates, hydropower stations, municipal drainage pumping stations, and large and medium-sized farmland irrigation.

[0049] The following is a detailed introduction to the above-mentioned load-bearing climbing layer 1, grinding and cleaning layer 2, and lubrication coating layer 3: Regarding the support structure of climbing level 1: The frame includes a frame body, which adopts a split modular structure design. The frame body includes two separately set first brackets 13 and second brackets 14. Both the first bracket 13 and the second bracket 14 are frame structures, each with two reserved docking free ends for assembly. The docking free ends of the first bracket 13 and the docking free ends of the second bracket 14 correspond one-to-one, and the two are docked and fixed by a detachable assembly method. After the two are connected, that is, when the first bracket 13 and the second bracket 14 have completed the docking assembly, the frame body forms a closed integrated load-bearing structure, which can stably support climbing, maintenance and other operation components. At the same time, the split structure can be directly fitted onto the outside of the already installed gate screw 4 without disassembling the screw 4 or removing the limiting structure at both ends of the screw 4, which greatly improves the equipment adaptability and installation efficiency.

[0050] A guide bracket 15 is slidably mounted on the second bracket 14, forming a sliding engagement with the second bracket 14. The guide bracket 15 can slide back and forth along the length of the second bracket 14 to adjust the distance between the guide bracket 15 and the first bracket 13. By adjusting the sliding position of the guide bracket 15, the relative distance between the guide bracket 15 and the first bracket 13 is changed to accommodate gate screws 4 with different outer diameters, thus meeting the clamping requirements of screws 4 of various specifications.

[0051] In some embodiments, the sliding of the guide bracket 15 can be achieved by a threaded rod 19. For example, a threaded rod 19 is threadedly connected to the second bracket 14, and one end of the threaded rod 19 is rotatably connected to the guide bracket 15. Tightening the threaded rod 19 can drive the guide bracket 15 to slide along the length direction of the second bracket 14. Specifically, the frame body of the second bracket 14 is provided with an end plate 18, on which a threaded seat is fixedly mounted. A threaded rod 19 is threadedly connected to the threaded seat. The threaded rod 19 passes through the threaded seat, and one end extends to the installation area of ​​the guide bracket 15 and forms a rotatable connection with the cross brace 17 of the guide bracket 15. The threaded rod 19 and the guide bracket 15 are connected by rotating connecting parts such as bearings and bushings to ensure that the threaded rod 19 only transmits axial thrust when rotating and does not rotate circumferentially with the guide bracket 15. When the operator screws the threaded rod 19, the threaded rod 19 generates axial displacement through thread transmission, thereby smoothly driving the guide bracket 15 to slide directionally along the length direction of the second bracket 14, realizing precise and stepless adjustment of the distance between the guide bracket 15 and the first bracket 13, and ensuring the tightness of the screw 4 clamping is appropriate.

[0052] In some embodiments, for ease of operation, a handwheel 16 is connected to the other end of the threaded rod 19. The handwheel 16 adopts a non-slip disc structure with non-slip textures or grip grooves on the surface. Operators can rotate the threaded rod 19 by manually turning the handwheel 16, which is simple, convenient, labor-saving and efficient.

[0053] In some embodiments, considering that the guide bracket 15 may deviate or sway during sliding, affecting the clamping accuracy, a sliding groove 141 is also provided on the second bracket 14 to ensure smooth sliding of the guide bracket 15. The sliding groove 141 is a long strip-shaped groove 141 opened along the length direction of the second bracket 14. The sliding groove 141 adopts a through-type or embedded guide groove, and the inner wall of the groove is smoothed to reduce sliding resistance. The guide bracket 15 is provided with a guide post, which is adapted to slide and connected to the sliding groove 141. The outer diameter of the guide post is adapted to the width of the sliding groove 141, and the guide post is embedded in the sliding groove 141 to form a sliding fit; the sliding groove 141 provides reliable limiting and guiding function for the guide post, ensuring that the guide bracket 15 can only slide in a straight line along the length direction of the second bracket 14, preventing deviation and swaying problems, and ensuring the accuracy of spacing adjustment and the stability of clamping operation.

[0054] The first bracket 13 has a first hole 131 at its free docking end, and the second bracket 14 has a second hole 142 at its free docking end. Connecting parts are fitted into the first hole 131 and the second hole 142 to interlock the first bracket 13 and the second bracket 14. Since the split-type bracket requires quick assembly and disassembly with a secure connection, standard connecting parts such as bolts, pins, and clips can be fitted into the first hole 131 and the second hole 142. After the connecting parts pass through the first hole 131 and the second hole 142, the free docking ends of the first bracket 13 and the second bracket 14 are securely locked, enabling rapid assembly and disassembly of the split-type bracket. The connected frame structure is stable, and the enclosed load-bearing structure can withstand the load during operation, ensuring the safe operation of the equipment.

[0055] In some embodiments, four support legs 11 are connected to the bottom of the frame body. The support legs 11 employ a rigid support structure and can be fixed to the frame body by welding or bolting to form a stable support system. Two support legs 11 are correspondingly located on the first bracket 13, and the other two support legs 11 are correspondingly located on the guide bracket 15. Each support leg 11 corresponds to one of the split-type brackets. Considering that the first bracket 13 and the second bracket 14 may be in either a separated or closed state, this arrangement of support legs 11 provides reliable support to the frame body in both states, effectively preventing the frame from tipping over.

[0056] In some embodiments, the bottom of the outrigger 11 is equipped with casters, which are wear-resistant casters with brakes. Since the operation points of hydraulic gates are scattered, the frame needs frequent transfer and alignment adjustments. The casters allow the frame to turn freely and move flexibly, facilitating equipment transfer and alignment with the lead screw 4. The braking structure locks the casters, preventing frame slippage during operation and ensuring accurate positioning. The casters significantly improve equipment mobility, meeting the need for rapid transfer between different operation points, while reducing the labor intensity of manual handling. This adapts to the mobile operation requirements of hydraulic engineering sites, balancing on-site operational stability and mobility.

[0057] As can be seen from the above embodiments, the rack has the following design advantages: Firstly, the frame adopts a split, detachable, and closable structure, which can be directly fitted onto the outside of the already installed gate screw 4 without disassembling the screw 4 or removing the limiting structures at both ends. This solves the problem that the integral frame cannot be adapted to the screw 4 in use, making on-site installation more convenient. Secondly, the guide bracket 15 can slide linearly along the second bracket 14 and precisely adjust the spacing, which can adapt to gate screws 4 with different outer diameters. Combined with the threaded drive and handwheel 16 adjustment, stepless and stable spacing adjustment can be achieved, ensuring that the clamping tightness of the screw 4 is moderate and the operating accuracy is high.

[0058] About climbing organizations: The climbing mechanism includes a first drive wheel 120 and a second drive wheel 121. At least one first drive wheel 120 is rotatably connected to a first bracket 13, and at least one second drive wheel 121 is rotatably connected to a guide bracket 15. Both the first drive wheel 120 and the second drive wheel 121 can rotate freely. In this embodiment, two first drive wheels 120 and two drive wheels 121 can be provided, arranged vertically at intervals. The first drive wheel 120 and the second drive wheel 121 are respectively connected to a drive motor 122 to provide stable power for the rotation of the wheel body. The drive motor 122 corresponding to the second drive wheel 121 is mounted on the guide bracket 15 and can slide synchronously with the guide bracket 15 to always maintain a smooth power transmission path and avoid problems such as power interference and transmission failure due to spacing adjustment.

[0059] A passage gap is formed between the first drive wheel 120 and the second drive wheel 121 for the lead screw 4 to pass through. The first drive wheel 120 and the second drive wheel 121 are used to clamp the lead screw 4 and crawl along its axial direction. Specifically, the gate lead screw 4 can pass smoothly through the passage gap. The two sets of drive wheels clamp the outer wall of the lead screw 4 in a relatively clamping manner. Under the drive of the drive motor 122, they rotate synchronously. The friction between the wheel surface and the lead screw 4 generates an axial driving force, which drives the entire device to crawl up and down autonomously along the length of the lead screw 4.

[0060] The advantages of the above design are: for the long-stroke, high-altitude deployment of gate screw 4 in water conservancy projects, the automatic climbing design can completely replace manual climbing, eliminating the safety risks of high-altitude operations from the source, while achieving uniform and stable lifting and lowering movement, providing a stable moving carrier for subsequent maintenance operations such as grinding and oiling, and greatly improving the automation level and work efficiency of screw 4 maintenance.

[0061] In some embodiments, both the first drive wheel 120 and the second drive wheel 121 have clamping grooves on their surfaces, and the contours of the clamping grooves are adapted to the shape of the outer wall of the gate screw 4. The first drive wheel 120 and the second drive wheel 121 are symmetrically distributed on both sides of the screw 4, and the clamping grooves on their surfaces cooperate with each other to form a ring-shaped clamping of the screw 4.

[0062] The wraparound clamping design significantly increases the contact area between the drive wheel and the lead screw 4, avoiding problems such as slippage, offset, and unstable clamping that are prone to occur with single-point clamping. It is particularly suitable for outdoor climbing operations where the lead screw 4 is damp or corroded, ensuring that the device does not slip, jam, or offset during climbing, and that the movement trajectory is precise and straight. At the same time, the symmetrical wraparound design distributes force more evenly, preventing excessive compression or wear on the surface of the lead screw 4. This protects the lead screw 4's structure while enabling autonomous climbing, extending its service life.

[0063] The frame and climbing mechanism together form an automatic climbing device, which serves as the support for the climbing layer 1.

[0064] The aforementioned automatic climbing device has the following advantages: First, automation replaces manual climbing, eliminating the risks of working at heights: The device can autonomously climb up and down along the screw 4, completely replacing manual climbing operations, avoiding safety hazards of high-altitude maintenance of water conservancy gates from the source, and moving at a uniform and stable speed, greatly improving the automation level and work efficiency of screw 4 maintenance.

[0065] Second, the double-wheel encircling clamping design ensures stable climbing without slipping: The upper and lower double active wheel layout, combined with the wheel surface clamping groove, forms an encircling clamping design, increasing the contact area and distributing force evenly, which can prevent slipping, deviation, and jamming. Even when facing a rusted lead screw 4, it can maintain a good climbing trajectory.

[0066] Third, it has strong power adaptability and high equipment versatility: the drive motor 122 of the second drive wheel 121 slides synchronously with the guide bracket 15, and the power transmission is still smooth and without interference after the spacing is adjusted; with the adjustable spacing design of the frame, it can be adapted to gate screws 4 with different outer diameters, and the equipment has a wide range of applications.

[0067] Regarding the grinding and cleaning layer 2 and the power mechanism: The grinding and cleaning layer 2 can be set as one layer or two layers arranged at intervals. In some embodiments, the grinding and cleaning layer 2 can be set as one set, which is set above the support climbing layer 1. Four uprights 12 are installed on the support climbing layer 1, two of which are fixed to the top of the first support 13, and the other two are fixed to the top of the guide support 15. The uprights 12 serve as rigid support connectors between the support climbing layer 1 and the grinding and cleaning layer 2, so as to realize the stable connection between the two layers.

[0068] The first substrate 21 is connected to the top of the upright 12 on the first support 13, and the second substrate 22 is connected to the top of the upright 12 on the guide support 15. The split connection method matches the opening and closing structure of the frame and substrate, ensuring that the grinding and cleaning layer 2 opens and closes synchronously when the frame opens and closes, without structural interference or loose connection. At the same time, the four uprights 12 are evenly distributed to support the grinding and cleaning layer 2, so that the overall force is balanced and there is no shaking or displacement during operation, ensuring stable cleaning operation.

[0069] The power mechanism can be implemented using belt drive or chain drive. In this embodiment, belt drive is preferred, and the specific structure is as follows: The power mechanism includes several axles, which are rotatably connected to the base plate. The axles are divided into first axles 212 and second axles 221. All first axles 212 are mounted on the first base plate 21, and all second axles 221 are mounted on the second base plate 22. Each axle is perpendicular to the base plate. A pulley is connected to the top of the axle, and a cleaning brush 203 is connected to the bottom. The pulley is used to transmit power. The cleaning brush 203 directly contacts the surface of the lead screw 4 to perform cleaning operations. The rotation of the axles can drive the cleaning brush 203 to rotate synchronously, continuously cleaning the rust, dust, salt spray deposits, and aged grease on the surface of the lead screw 4, solving the problems of uneven force and low efficiency of manual cleaning.

[0070] All pulleys of the first axle 212 on the first substrate 21 are connected by the same first transmission belt 211, and all pulleys of the second axle 221 on the second substrate 22 are connected by the same second transmission belt 222. The first transmission belt 211 and the second transmission belt 222 are each connected to a power motor 202. The two power motors 202 drive separately, adapting to the split-opening structure of the substrates and avoiding interference between the transmission structures.

[0071] In some embodiments, to achieve stable motor installation without occupying the working area of ​​the central hole 201, U-shaped frames are extended and connected to the outer edges of the first substrate 21 and the second substrate 22, respectively. The U-shaped frames are rigidly connected to the substrates to form a dedicated lateral installation station, and the power motor 202 is fixedly connected to the side of the corresponding U-shaped frame. The power motor 202 is arranged vertically, which can significantly reduce the horizontal space occupation and avoid positional interference.

[0072] The two drive motors 122 equipped on the climbing layer 1 are arranged horizontally. The horizontally arranged drive motors 122 and the vertically arranged power motors 202 form a spatial intersection in three-dimensional space. The two are staggered vertically and do not overlap, so there is no installation interference or movement interference. This layout can make full use of the idle space between the upper and lower layers of the frame, avoid the structural bulkiness caused by the centralized arrangement of power components, and greatly improve the overall space utilization rate of the machine.

[0073] This spatial cross-layout effectively reduces the overall size of the equipment, allowing it to smoothly enter the narrow space around the gate screw 4 for operation; at the same time, the power components are more evenly distributed, which lowers the center of gravity of the whole machine, improves the stability of the equipment during climbing and maintenance operations, avoids problems such as center of gravity shift and machine shaking caused by the concentrated arrangement of components, and ensures continuous and reliable operation of the equipment.

[0074] The power components of the grinding and cleaning layer 2 and the load-bearing climbing layer 1 adopt a differentiated spatial cross layout, which can maximize the use of the internal installation space of the equipment, making the whole machine structure more compact and suitable for the narrow working environment around the hydraulic gate screw 4.

[0075] In some embodiments, the cleaning brush 203 is a bristle brush and / or a wire brush. The cleaning brush 203 can be a single bristle brush, a single wire brush, or a combination of both. Adjacent cleaning brushes 203 are arranged in a staggered vertical arrangement. It should be noted that, compared to a flush arrangement, this staggered arrangement allows the cleaning range of the cleaning brushes 203 to overlap, covering the entire circumference and surface of the lead screw 4 without gaps, eliminating blind spots, and thoroughly removing dirt even from hidden locations such as the thread grooves and corners of the lead screw 4. Simultaneously, the staggered arrangement reduces rotational interference between the cleaning brushes 203, lowers rotational resistance, and allows the cleaning brushes 203 to rotate more smoothly, further improving cleaning efficiency and effectiveness.

[0076] like Figures 16-18 As shown, in some embodiments, the screw hoist screw maintenance and repair machine can also be equipped with two grinding and cleaning layers. The two grinding and cleaning layers are installed above and below the frame, respectively. The cleaning brush 203 in the upper grinding and cleaning layer is a bristle brush; the cleaning brush 203 in the lower grinding and cleaning layer is a wire brush. The wire brush and bristle brush are used for cleaning in layers and with different functions. The bristle brush cleans dust, mud, and other easily cleanable attachments from the screw thread; the wire brush cleans oil stains, some rust, and more difficult-to-clean attachments from the screw thread surface, which can significantly improve the cleaning and grinding quality of the screw thread surface.

[0077] This combination of layered division of labor and staggered layout, with the two working together and complementing each other, not only achieves efficient removal of stubborn rust but also cleans surface impurities, ensuring that the threaded surface of the lead screw 4 is free of rust residue, dust accumulation, and damage scratches. This lays a smooth and clean foundation for subsequent oiling and maintenance, significantly improving the overall quality of lead screw 4 cleaning and polishing. It is suitable for the long-term maintenance needs of lead screw 4 in outdoor humid, dusty, and salt spray environments, effectively extending the service life of lead screw 4 and reducing safety hazards such as thread wear and opening / closing jamming caused by incomplete cleaning.

[0078] Regarding lubricating coating layer 3: The lubricating coating layer 3 is set above the grinding and cleaning layer 2, forming an integrated maintenance structure with the grinding and cleaning layer 2 and the bearing climbing layer 1 below. It can move up and down along the lead screw 4 synchronously with the whole machine. After grinding and rust removal, it can immediately perform precise oil spraying and uniform coating on the surface of the lead screw 4 to form a continuous and dense protective oil film.

[0079] The lubrication coating layer 3 includes two sets of symmetrically arranged lubrication coating units. The two sets of lubrication coating units cooperate with each other to form a ring-shaped coating structure, which is compatible with the split design of the frame and the grinding and cleaning layer 2. It can be directly sleeved on the outside of the installed lead screw 4, and the assembly can be completed without disassembling the lead screw 4, which is suitable for the on-site maintenance needs of the in-use gate lead screw 4.

[0080] Each lubrication coating unit includes an electric slide rail 34, which includes a profile base 341. The profile base 341 serves as the main support frame, providing high structural strength and strong resistance to deformation, ensuring the accuracy and stability of linear motion over a long period. A first support seat 31 and a second support seat 32 are fixedly connected to the bottom of the profile base 341, achieving a stable connection with the mechanism below.

[0081] The profile base 341 has supports 342 at both ends. A rotatable ball screw 343 is connected to the support 342. A nut seat is fitted on the ball screw 343. The nut seat and the ball screw 343 form a helical transmission engagement. A distributor 36 is fixedly connected to the nut seat. The distributor 36 is used to centrally deliver lubricant and provide a stable and uniform oil source for oil spraying operations.

[0082] A guide rod 35 is fixedly connected between the supports 342. The guide rod 35 is arranged in the same direction as the profile base 341 and is used for auxiliary guidance. The guide rod 35 freely passes through the sliding hole on the nut seat, and the nut seat can slide left and right along the guide rod 35. One end of the ball screw 343 is connected to a servo motor 37. Driven by the servo motor 37, the distributor 36 slides left and right. Specifically, the servo motor 37 can precisely control the speed, direction and travel. Driven by the servo motor 37, the ball screw 343 rotates synchronously, and through the helical transmission, it drives the nut seat and the distributor 36 to perform high-precision linear reciprocating sliding along the four axes of the screw, realizing the fully automated movement of the coating mechanism.

[0083] The distributor 36 has an oil pump connected to its inlet and an omnidirectional bamboo joint nozzle 38 connected to its outlet. The omnidirectional bamboo joint nozzle 38 has a multi-section flexible hinge structure and can be freely bent to adjust the spray angle and spray direction according to the needs of on-site operations.

[0084] A roller brush 39 is provided at the outlet end of the universal bamboo joint oil spray nozzle 38. The roller brush 39 is connected to the second support base 32 through the wheel frame 33. The roller brush 39 is located close to the outlet of the universal bamboo joint oil spray nozzle 38 to ensure that the coating operation is carried out immediately after the oil is sprayed.

[0085] In actual operation, the lubricating grease sprayed from the universal bamboo joint oil nozzle 38 can be sprayed onto the brush bristle area of ​​the roller brush 39. Relying on the follow-up rotation of the roller brush 39 and the movement of the whole machine, the oil is evenly transferred and spread on the surface of the lead screw 4. Through the flexible scraping action of the brush bristles, the oil is evenly scraped and smoothed, effectively eliminating problems such as oil accumulation, local thick film, and missed coating. This results in a continuous protective oil film with uniform thickness and excellent adhesion forming on the entire surface of the lead screw 4 and inside the thread groove, comprehensively improving the rust prevention, lubrication and wear resistance of the lead screw 4.

[0086] The roller brush 39 is installed close to the outlet of the universal bamboo-joint oil nozzle 38, ensuring seamless connection between the oil spraying and coating actions. After spraying, the oil can be spread evenly on the surface of the lead screw 4 immediately, avoiding oil dripping and splashing that would cause waste. At the same time, it ensures the continuity and timeliness of the coating operation. With the above structural design, an integrated "spray and coat" operation can be achieved. Meanwhile, the flexible roller brush 39 will not scratch the surface of the lead screw 4 and can also reach deep into the dead corners of the thread to apply oil, fundamentally solving the problems of uneven coating, discontinuous oil film, and lack of oil at the root of the thread that are easy to occur when directly spraying oil.

[0087] The above design has the following advantages: the electric slide rail 34 can drive the universal bamboo joint oil nozzle 38 to adjust the distance between it and the lead screw 4; the universal bamboo joint oil nozzle 38 can adjust the spray angle; under the drive of the electric slide rail 34, the entire mechanism can complete the lubrication coating of the entire length and circumference of the lead screw 4 in one go, without the need for manual hand tools to repeatedly brush, thus completely solving the industry pain points of low efficiency, uneven coating and waste of oil by manual oiling.

[0088] It should be noted that a camera is also fixedly installed on the profile base 341. The camera is oriented towards the lubrication coating operation area and can capture the entire process of oil spraying by the universal bamboo joint oil nozzle 38 and oil application by the roller brush 39 in real time, realizing full-process online visualization monitoring of the oiling action.

[0089] The machine is equipped with an operating terminal, which integrates a controller and a display screen, forming an intelligent control unit that integrates remote control and real-time monitoring, providing centralized control and status monitoring support for the entire set of ball screw maintenance equipment.

[0090] The controller establishes control connections with the power motor 202 of the grinding and cleaning layer 2, the drive motor 122 of the climbing layer 1, and the servo motor 37 and oil pump device of the lubrication coating layer 3 via cables. It can remotely issue commands such as start / stop, speed adjustment, steering switching, and stroke setting. The entire process of climbing, grinding, oiling, and coating can be precisely controlled without personnel approaching the equipment or working at height. The operation is flexible and convenient, greatly reducing the safety risks of on-site operations.

[0091] The camera is connected to the display screen via cable, which can transmit real-time images of oil spraying and roller brush 39 oiling to the display screen simultaneously. The image is clear and the transmission is smooth, allowing staff to intuitively view the oiling effect of the lead screw 4 from a safe area on the ground.

[0092] Considering that the hydraulic gate screw 4 operates in high-altitude, outdoor environments with limited visibility, manual on-site inspection of the coating effect presents blind spots and high risks associated with close-up observation at heights. This makes it difficult to promptly detect issues such as missed coating, uneven oil film, and abnormal spraying. Adding a camera allows for real-time transmission of the coating process to the operator's end. Operators can clearly monitor key operational states such as spray angle, oil injection volume, and the spreading effect of the roller brush 39 without needing to climb to a height for close inspection, enabling remote monitoring of the entire coating process. Simultaneously, the monitoring footage can be saved as a record of screw 4 maintenance operations, ensuring traceability and quality verification of the maintenance process. This further enhances the equipment's intelligent and visual operation level, guaranteeing stable and compliant lubrication coating quality.

[0093] Secondly, this technical solution proposes an operation method for an integrated maintenance and repair machine for the screw hoist's lead screw, including the following steps: I. On-site equipment installation 1.1 Frame split insertion into lead screw 4: Separate the first bracket 13 and the second bracket 14 of the frame and insert them directly into the outside of the lead screw 4 from the side without disassembling the lead screw 4 or the limiting structure at both ends.

[0094] 1.2 Bracket docking and locking: Align and lock the free ends of the first bracket 13 and the second bracket 14. The connector can be inserted through the first hole 131 and the second hole 142 to lock and fix the frame, so that the frame forms a closed integrated load-bearing structure.

[0095] 1.3 Adjusting the clamping distance: Rotating the threaded rod 19 drives the guide bracket 15 to slide, adjusting the distance between the first driving wheel 120 and the second driving wheel 121 so that the two driving wheels form a ring-shaped clamping on the lead screw 4, with moderate tightness and no slippage or squeezing.

[0096] 1.4 Synchronous Closure of Working Layers: Confirm that the grinding and cleaning layer 2 and the lubrication coating layer 3 are closed synchronously with the frame, and that the center hole 201 fits the lead screw 4 without structural interference.

[0097] II. Automated Maintenance Operations 2.1 Parameter setting: Set the required working parameters on the controller; such as climbing speed, grinding speed, oil spray flow rate, coating stroke and other parameters.

[0098] 2.2 Start-up Procedure: The controller starts the climbing mechanism and power mechanism, i.e., it starts the drive motor 122 and the power motor 202. The climbing mechanism climbs upward along the lead screw 4. The cleaning brush 203 rotates synchronously in the grinding and cleaning layer 2 to remove rust, dust and old grease from the lead screw 4. After climbing to the preset critical point, the climbing mechanism and power mechanism are paused. The oil pump device is started remotely through the controller. At the same time, the climbing mechanism is controlled to make the whole machine descend along the lead screw 4. The universal bamboo joint oil nozzle 38 sprays oil synchronously. The roller brush 39 spreads the oil evenly in time, forming a continuous and uniform protective oil film on the surface of the lead screw 4.

[0099] 2.3 Remote Monitoring: Operators can monitor the oil spraying and coating status in real time on the ground via a display screen without needing to climb to a height. If any abnormality is detected, adjustments can be made immediately. Additionally, the cleaning effect of the lead screw 4 can also be observed in real time via the display screen. If the display screen indicates that the lead screw 4 is not thoroughly cleaned in certain areas, the oil pumping device can be paused, the power motor 202 restarted to rotate the cleaning brush 203, and the drive motor 122 controlled to rotate forward and backward, moving the equipment up and down along the lead screw 4 for reciprocating and fine cleaning of the defective areas.

[0100] 2.4 Journey completion: After the equipment descends to the preset starting position, it automatically stops to complete the maintenance work.

[0101] III. Post-work completion 3.1 Equipment shutdown and power disconnection: After confirming that the operation is completed, turn off the main power supply and disconnect the power supply cable.

[0102] 3.2 Equipment disassembly and removal: Loosen the frame, separate the first bracket 13 and the second bracket 14, and remove the equipment from the side of the lead screw 4.

[0103] 3.3 On-site cleanup: Clean up oil stains and impurities around the lead screw 4, and recycle discarded tools and consumables.

[0104] 3.4 Data Retention: Save the monitoring screen and operation records to enable traceability of the maintenance process.

[0105] In summary: The screw hoist screw maintenance and repair integrated machine has a compact structure, which can flexibly adapt to the narrow working space around hydraulic gates, and is convenient and efficient for on-site transportation and alignment. The equipment adopts a split opening and closing structure, which does not require disassembly of the in-use screw 4 and the limiting structure at both ends, making assembly and disassembly simple and highly adaptable. The whole machine uses automatic climbing to replace manual climbing operations, eliminating the safety risks of heights from the source. It integrates grinding, cleaning, lubrication and coating, and the maintenance efficiency and uniformity are far superior to manual operation. The ring-shaped clamping is stable and does not slip or shift. With remote visual monitoring, the operation quality can be controlled in real time. It is an efficient and reliable intelligent maintenance equipment that is compatible with various in-use gate screw 4.

[0106] Although the specific embodiments of the invention have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the invention. Based on the technical solutions of the invention, various modifications or variations that can be made by those skilled in the art without creative effort are still within the scope of protection of the invention.

Claims

1. A screw hoist screw maintenance and repair integrated machine, characterized in that, It includes a connected load-bearing climbing layer (1), a polishing and cleaning layer (2), and a lubricating coating layer (3); wherein: The climbing layer (1) includes a frame that can be fitted onto the outside of the lead screw (4). The frame includes a first support (13) and a second support (14) that are separately arranged. The ends of the first support (13) and the second support (14) can be engaged or disengaged. The frame is provided with a climbing mechanism that can move up and down along the lead screw (4). The polishing and cleaning layer (2) includes a base plate connected to the frame. The base plate is set in relation to the frame and is a split structure, consisting of a first base plate (21) and a second base plate (22). The opposite ends of the first base plate (21) and the second base plate (22) are provided with half holes. After the two are joined together, the two half holes are spliced ​​to form a central hole (201) through which the lead screw (4) passes. Multiple freely rotatable cleaning brushes (203) are arranged around the central hole (201). The cleaning brushes (203) are rotatably connected to the base plate and the cleaning brushes (203) are connected to a power mechanism. The lubricating coating layer (3) includes at least one set of lubricating coating units. Each lubricating coating unit includes an electric slide rail (34) connected to the substrate. The electric slide rail (34) is provided with a distributor (36) that can slide left and right. The oil inlet of the distributor (36) is connected to an external oil pump device. The oil outlet of the distributor (36) is connected to a universal bamboo joint oil nozzle (38) that can adjust the spray angle. The outlet end of the universal bamboo joint oil nozzle (38) is provided with a roller brush (39) for coating the lubricating oil. The roller brush (39) is rotatably connected to the electric slide rail (34). It also includes an operating terminal, which integrates a controller that is connected to various electrical components.

2. The screw hoist screw maintenance and repair integrated machine according to claim 1, characterized in that, Both the first bracket (13) and the second bracket (14) have two docking free ends. The docking free ends of the first bracket (13) and the docking free ends of the second bracket (14) are detachably connected in a one-to-one correspondence. After the two are connected, the frame body forms a closed integrated load-bearing structure. A guide bracket (15) is slidably provided on the second bracket (14). The guide bracket (15) can slide back and forth along the length direction of the second bracket (14) to adjust the distance between the guide bracket (15) and the first bracket (13).

3. The screw hoist screw maintenance and repair integrated machine according to claim 1, characterized in that, The second bracket (14) is threaded with a threaded rod (19), one end of which is rotatably connected to the guide bracket (15). Tightening the threaded rod (19) can drive the guide bracket (15) to slide along the length of the second bracket (14).

4. The screw hoist screw maintenance and repair integrated machine according to claim 1, characterized in that, The climbing mechanism includes a first drive wheel (120) and a second drive wheel (121). At least one first drive wheel (120) is rotatably connected to the first bracket (13), and at least one second drive wheel (121) is rotatably connected to the guide bracket (15). The first drive wheel (120) and the second drive wheel (121) are respectively connected to drive motors (122), and the drive motor (122) corresponding to the second drive wheel (121) is mounted on the guide bracket (15). A passage gap is formed between the first drive wheel (120) and the second drive wheel (121) for the lead screw (4) to pass through. The first drive wheel (120) and the second drive wheel (121) are used to clamp the lead screw (4) and crawl along its axial direction.

5. The screw hoist screw maintenance and repair integrated machine according to claim 4, characterized in that, The first driving wheel (120) and the second driving wheel (121) are both provided with clamping grooves on their wheel surfaces. The first driving wheel (120) and the second driving wheel (121) are symmetrically distributed on both sides of the lead screw (4) to form a ring-shaped clamping of the lead screw (4).

6. The screw hoist screw maintenance and repair integrated machine according to claim 1, characterized in that, The power mechanism includes several axles, which are rotatably connected to the base plate. The axles are divided into first axles (212) and second axles (221). All first axles (212) are mounted on the first base plate (21), and all second axles (221) are mounted on the second base plate (22). Each axle is perpendicular to the base plate. A pulley is connected to the top of the axle, and the cleaning brush (203) is connected to the bottom. The pulleys of all first axles (212) on the first base plate (21) are connected by the same first transmission belt (211), and the pulleys of all second axles (221) on the second base plate (22) are connected by the same second transmission belt (222). The first transmission belt (211) and the second transmission belt (222) are respectively connected to a power motor (202).

7. The screw hoist screw maintenance and repair integrated machine according to claim 1, characterized in that, The adjacent cleaning brushes (203) are arranged in a staggered manner.

8. The screw hoist screw maintenance and repair integrated machine according to claim 1, characterized in that, The electric slide rail (34) includes a profile base (341), with supports (342) at both ends of the profile base (341). A rotatable ball screw (343) is connected to the support (342), and a nut seat is fitted on the ball screw (343). The nut seat is fixedly connected to the distributor (36), and the nut seat and the ball screw (343) form a helical transmission engagement. A servo motor (37) is connected to one end of the ball screw (343).

9. The screw hoist screw maintenance and repair integrated machine according to claim 8, characterized in that, A camera is also fixedly installed on the profile base (341), and the camera is electrically connected to the display screen.

10. An operation method for a screw hoist screw maintenance and repair integrated machine, based on the screw hoist screw maintenance and repair integrated machine according to any one of claims 1-9, characterized in that, Includes the following steps: I. On-site equipment installation 1.1 Frame splitting and inserting into lead screw (4): Separate the first bracket (13) and the second bracket (14) of the frame and insert them directly into the outside of the lead screw (4) from the side; 1.2 Bracket docking and locking: Align and lock the free ends of the first bracket (13) and the second bracket (14) to form a closed integrated load-bearing structure; 1.3 Adjusting the clamping distance: Rotate the threaded rod (19) to drive the guide bracket (15) to slide, adjust the distance between the first driving wheel (120) and the second driving wheel (121) so that the two driving wheels form a ring-shaped clamping on the screw (4); 1.4 Synchronous Closure of Working Layers: Confirm that the grinding and cleaning layer (2) and the lubrication coating layer (3) close synchronously with the frame, and that the center hole (201) fits the lead screw (4) without structural interference; II. Automated Maintenance Operations 2.1 Parameter Setting: Set the required operating parameters on the controller; 2.2 Start-up process: The controller starts the climbing mechanism and the power mechanism. The climbing mechanism climbs upward along the screw (4). The grinding and cleaning layer (2) rotates the cleaning brush (203) in sync. After the climbing reaches the preset critical point, the climbing mechanism and the power mechanism are paused. The oil pump device is started remotely through the controller. At the same time, the climbing mechanism is controlled to make the whole machine go down along the screw (4). The universal bamboo joint oil nozzle (38) sprays oil in sync. The roller brush (39) spreads the oil evenly in time, forming a continuous and uniform protective oil film on the surface of the screw (4). 2.3 Remote monitoring: Operators can view the spraying and coating status in real time on a display screen on the ground; 2.4 Journey Completion: After the equipment descends to the preset starting position, it automatically stops to complete the maintenance work; III. Post-work cleanup 3.1 Equipment shutdown and power disconnection: After confirming that the operation is completed, turn off the main power supply and unplug the power supply cable; 3.2 Equipment disassembly and removal: Loosen the frame, separate the first bracket (13) and the second bracket (14), and remove the equipment from the side of the lead screw (4); 3.3 On-site cleanup: Clean up oil stains and impurities around the lead screw (4), and recycle discarded tools and consumables; 3.4 Data Retention: Save the monitoring screen and operation records to enable traceability of the maintenance process.

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