Crane for wind power maintenance
By installing a lubrication device on the crane and applying lubricating oil to the surface of the wire rope, the problem of corrosion and rust in the wire rope is solved, the service life of the crane is improved, and maintenance costs are reduced.
Patent Information
- Application Number
- CN202520606551.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-02
AI Technical Summary
Wire ropes exposed to the external environment on crane frames and winches are prone to corrosion and rust, leading to reduced strength, decreased load-bearing capacity, increased risk of breakage, and accelerated wear, which reduces the service life of cranes and increases maintenance costs.
A lubrication system is installed on the crane, including a lubrication tube rack, ball bearings, and an oil pump. The oil pump delivers lubricating oil to the lubrication tube rack, and the ball bearings coat the surface of the wire rope as it moves, reducing corrosion and wear.
It effectively reduces the probability of corrosion and rust on the surface of wire rope, avoids the risk of strength reduction and breakage, reduces wear, extends the service life of cranes, and reduces maintenance costs.
Smart Images
Figure CN223950633U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of hoist, especially a kind of for wind power maintenance hoist. BACKGROUND
[0002] Hoist is a kind of mechanical equipment for vertically lifting and horizontally moving heavy objects, in the process of wind power maintenance, it is mainly used to lift and move the components of wind turbine to facilitate the maintenance of a kind of equipment.
[0003] When hoist is used to lift wind power equipment components during maintenance, the clamp or bandage bound on the wind power equipment components is usually fixed on the lifting hook, then according to the maintenance requirement, the hoist frame is stretched to a certain height, which is convenient for maintenance, and at the same time, the winch is started to wind the steel wire rope, the wind power equipment fixed on the lifting hook is lifted for maintenance. Since the steel wire rope is directly exposed to the outside when used on the hoist frame and winch, it directly contacts with the external environment, and after a long time of use, it is easy to rust and corrode, which may cause the strength of the steel wire rope to decrease, the carrying capacity to decrease, and the risk of fracture to increase. At the same time, the corroded steel wire rope will aggravate the wear and tear, reduce the service life of the hoist, and increase the maintenance cost. SUMMARY
[0004] The technical problem to be solved by the utility model is that since the steel wire rope is directly exposed to the outside when used on the hoist frame and winch, it directly contacts with the external environment, and after a long time of use, it is easy to rust and corrode, which may cause the strength of the steel wire rope to decrease, the carrying capacity to decrease, and the risk of fracture to increase. At the same time, the corroded steel wire rope will aggravate the wear and tear, reduce the service life of the hoist, and increase the maintenance cost.
[0005] The technical solution adopted by the utility model to solve the technical problem is a hoist for wind power maintenance, comprising a base, a hoist frame is arranged on one side of the base, a winch is arranged on one side of the base, a steel wire rope is arranged on the winding roller of the winch, a lifting hook is arranged at one end of the steel wire rope, a lubricating device is arranged on one side of the base. The lubricating device can draw the lubricating oil filled in the oil tank into the inside of the lubricating pipe frame through the oil pump, and then when the steel wire rope moves back and forth in the inner wall of the lubricating pipe frame, the rotation of the ball will bring out the lubricating oil and evenly spread on the surface of the steel wire rope, achieving the effect of maintenance.
[0006] The effect achieved by the above components is that when the crane is used to hoist the wind power equipment components during the maintenance process of the wind power equipment, one end of the steel wire rope can be inserted through the lubricating pipe frame in the lubricating device, and then installed on the outer surface of one end of the lifting frame. Then according to the maintenance requirements, the lifting frame is stretched to a certain height, and when the wind power equipment components are maintained, the clamps or straps bound on the wind power equipment components are usually fixed on the lifting hook, and the winch is started to wind or unwind the steel wire rope, which is convenient for maintenance. When the steel wire rope moves back and forth in the inner wall of the lubricating pipe frame, the rolling balls are rotated to bring out the lubricating oil and evenly coat it on the surface of the steel wire rope to achieve the maintenance effect.
[0007] Preferably, the lubricating device comprises a support and an oil tank, wherein one side of the oil tank is fixedly installed on one side of the support, and an oil pump is fixedly arranged at the outlet of the oil tank; a lubricating pipe frame, wherein both ends of the lubricating pipe frame are fixedly installed in the inner wall of one end of the support, and a plurality of rolling balls are installed through the inner wall of the lubricating pipe frame; and an oil pipe, wherein both ends of the oil pipe are installed through the outlet of the oil pump and one side of the lubricating pipe frame.
[0008] The effect achieved by the above components is that by setting the lubricating device, when the one end of the steel wire rope is inserted through the lubricating pipe frame in the lubricating device, the oil pump can be started to pump the lubricating oil in the oil tank into the lubricating pipe frame through the oil pipe. Then when the steel wire rope moves back and forth in the inner wall of the lubricating pipe frame, the rolling balls are rotated to bring out the lubricating oil from the oil tank and evenly coat it on the surface of the steel wire rope to achieve the maintenance effect. This reduces the probability of corrosion and rust on the surface of the steel wire rope, avoids the situation that the carrying capacity is reduced due to the decrease of the strength of the steel wire rope, reduces the risk of breakage, reduces the wear between the lifting frame and the steel wire rope, prolongs the service life of the crane, and reduces the maintenance cost.
[0009] Preferably, the inner wall of the lubricating pipe frame is connected with a plurality of wiping blocks.
[0010] The effect achieved by the above components is that by setting the wiping blocks, the excess lubricating oil brought out by the rolling balls can be adsorbed, and the lubricating oil is evenly coated on the steel wire rope to improve the lubricating effect and avoid waste.
[0011] Preferably, the lubricating device further comprises a limiting roller, wherein both ends of the limiting roller are rotatably installed in the inner wall of the support and located at the bottom position of the lubricating pipe frame.
[0012] The effect achieved by the above components is that by setting the limiting roller, the steel wire rope pulled out from the winch can be limited to avoid the wear between the steel wire rope and one end of the lubricating pipe frame caused by the shaking of the steel wire rope, and the service life of the lubricating pipe frame is improved.
[0013] Preferably, the outer surface of both ends of the limiting roller is fixedly installed with a bearing, and the outer ring of the bearing is fixedly installed on the inner wall of the support.
[0014] The above-mentioned component achieves the effect that: by setting the bearing, the rotating wear between the limiting roller and the support can be reduced, the rotation of the limiting roller is facilitated, and the service life of the limiting roller is improved.
[0015] Preferably, a detachable device is arranged between one side of the support and one side of the base, the detachable device comprises two screw hole blocks, one side of the screw hole block is fixedly installed on one side of the support, one side of the base is symmetrically provided with a rectangular groove, the screw hole block is inserted in the inner wall of the rectangular groove, and a threaded hole is formed in one side of the inner wall of the rectangular groove; two bolts, one end of the bolt is screwedly inserted into the inner wall of the threaded hole and the screw hole block.
[0016] The above-mentioned component achieves the effect that: by setting the detachable device, when the oil tank needs to be maintained, the steel wire rope can be first pulled out of the inner wall of the lubricating pipe frame, then the bolt is screwedly pulled out of the inner wall of the threaded hole and the screw hole block, and finally the support is pulled upwards, so that one side of the support and the screw hole block are pulled out of the rectangular groove, so that the support and the oil tank can be detached from the base, and replacement and maintenance treatment are facilitated.
[0017] Preferably, one end of the screw hole block is in a trapezoidal shape, and the end of the screw hole block in the trapezoidal shape is arranged on the side away from the support.
[0018] The above-mentioned component achieves the effect that: by setting the end of the screw hole block in a trapezoidal shape, the area of the end of the screw hole block can be reduced, the screw hole block can be quickly aligned and inserted into the inner wall of the rectangular groove, and installation operation is facilitated.
[0019] Preferably, a supporting rod is fixedly installed on one side of the support, and one end of the supporting rod abuts against one side of the base.
[0020] The above-mentioned component achieves the effect that: by setting the supporting rod, one side of the support can be supported and reinforced, so that the support is not prone to shaking during use, and use stability is improved.
[0021] The beneficial effects of the utility model are:
[0022] By setting the lubricating device, after the one end of the steel wire rope is passed through the inside of the lubricating pipe frame in the lubricating device, the oil pump is started to draw the lubricating oil filled in the oil tank into the inside of the lubricating pipe frame through the oil pipe, then when the steel wire rope moves back and forth in the inner wall of the lubricating pipe frame, the rolling ball is driven to rotate to take out the lubricating oil from the inside of the oil tank and evenly smear the lubricating oil on the surface of the steel wire rope, so that the steel wire rope is lubricated and maintained, the probability of corrosion and rust on the surface of the steel wire rope is reduced, the situation that the carrying capacity is reduced due to the decrease of the strength of the steel wire rope is avoided, the risk of breakage is reduced, the abrasion between the hoisting frame is reduced, the service life of the crane is prolonged, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0023] The utility model is further explained below in combination with the drawings and examples.
[0024] Figure 1 It is the structural schematic diagram of the utility model.
[0025] Figure 2 It is the three-dimensional structure schematic diagram of the base of the utility model.
[0026] Figure 3 It is the three-dimensional structure schematic diagram of the bracket of the utility model.
[0027] Figure 4 It is Figure 3 The three-dimensional schematic diagram of the partial structure.
[0028] Legend: 1, base; 2, lubricating device; 3, detachable device; 4, hoisting frame; 5, winch; 6, steel wire rope; 7, lifting hook; 21, bracket; 22, oil tank; 23, oil pump; 24, oil pipe; 25, lubricating pipe frame; 26, rolling ball; 27, wiping block; 28, limiting roller; 29, bearing; 31, rectangular groove; 32, threaded hole; 33, bolt; 34, threaded hole block; 35, support rod. DETAILED DESCRIPTION
[0029] The utility model will be further explained in combination with the drawings. These drawings are all simplified schematic diagrams, and only the basic structure of the utility model is schematically shown, so it only shows the structure related to the utility model.
[0030] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or detachably connected, or integrally connected, it can be mechanically connected, or electrically connected, it can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0031] Figures 1-4 The utility model provides an equipment for wind power maintenance crane, including base 1, one side of base 1 is provided with hoist frame 4, one side of base 1 is provided with winch 5, be provided with steel wire rope 6 on the roll of winch 5, one end of steel wire rope 6 is provided with lifting hook 7, one side of base 1 is provided with lubricating device 2, lubricating device 2 can be by oil pump 23 with the lubricating oil that fills in the inside of oil tank 22 is drawn into the inside of lubricating pipe frame 25, then when steel wire rope 6 moves back and forth in the inner wall of lubricating pipe frame 25, will drive the rotation of ball 26 and take out the lubricating oil and evenly spread on the surface of steel wire rope 6 reach the maintenance effect.In the process of repairing wind power equipment, when using crane to hoist wind power equipment parts, one end of steel wire rope 6 can be passed through the inside of lubricating pipe frame 25 in lubricating device 2, then it is installed on the outer surface of one end of hoist frame 4, then according to the repair demand, hoist frame 4 is stretched to a certain height, when repairing wind power equipment parts, usually the clamp or bandage that is bound on wind power equipment parts is fixed on lifting hook 7, at the same time, starting winch 5 to wind or unwind steel wire rope 6, it is convenient to repair, when steel wire rope 6 moves back and forth in the inner wall of lubricating pipe frame 25, will drive the rotation of ball 26 and take out the lubricating oil and evenly spread on the surface of steel wire rope 6 reach the maintenance effect.
[0032] Figures 1-4 The utility model discloses a lubricating device 2 includes support 21 and oil tank 22, wherein one side of oil tank 22 is fixedly installed on one side of support 21, and the outlet of oil tank 22 is fixedly provided with oil pump 23, lubricating pipe frame 25, wherein the both ends of lubricating pipe frame 25 are fixedly installed in the inner wall of one end of support 21, and the inner wall of lubricating pipe frame 25 is provided with a plurality of balls 26, oil pipe 24, wherein the both ends of oil pipe 24 are respectively provided in the outlet of oil pump 23 and one side of lubricating pipe frame 25. When one end of steel wire rope 6 is passed through the inside of lubricating pipe frame 25 in lubricating device 2, oil pump 23 can be started to draw the lubricating oil filled in the inside of oil tank 22 into the inside of lubricating pipe frame 25 through oil pipe 24, then when steel wire rope 6 moves back and forth in the inner wall of lubricating pipe frame 25, will drive the rotation of ball 26 and take out the lubricating oil from the inside of oil tank 22, evenly spread on the surface of steel wire rope 6, lubricate and maintain, reduce the probability of corrosion and rust on the surface of steel wire rope 6, avoid the situation that the strength of steel wire rope 6 is reduced and causes the carrying capacity to be reduced, reduce the risk of fracture, also reduce the abrasion between hoist frame 4, improve the service life of crane, reduce the repair cost.
[0033] Figures 1-4The inner wall of the lubricating pipe frame 25 is provided with a plurality of wiping blocks 27 connected thereto, and the wiping blocks 27 are made of sponge material. By arranging the wiping blocks 27, the excess lubricating oil brought out by the rolling balls 26 can be adsorbed, and the lubricating oil can be evenly applied to the steel wire rope 6, thereby improving the lubricating effect and avoiding waste. The lubricating device 2 further comprises a limiting roller 28, wherein the two ends of the limiting roller 28 are rotatably installed in the inner wall of the support 21 and located at the bottom position of the lubricating pipe frame 25. By arranging the limiting roller 28, the steel wire rope 6 pulled out from the winch 5 can be limited, so as to avoid the abrasion of the steel wire rope 6 with one end of the lubricating pipe frame 25 due to shaking, thereby improving the service life of the lubricating pipe frame 25. The outer surfaces of the two ends of the limiting roller 28 are fixedly installed with bearings 29, and the outer rings of the bearings 29 are fixedly installed on the inner wall of the support 21. By arranging the bearings 29, the rotating wear between the limiting roller 28 and the support 21 can be reduced, the rotation of the limiting roller 28 is facilitated, and the service life of the limiting roller 28 is improved.
[0034] Figures 1-4 A detachable device 3 is arranged between one side of the support 21 and one side of the base 1, and the detachable device 3 comprises two screw hole blocks 34, one side of the screw hole block 34 is fixedly installed on one side of the support 21, one side of the base 1 is symmetrically provided with a rectangular groove 31, the screw hole block 34 is inserted in the inner wall of the rectangular groove 31, and a threaded hole 32 is formed in one side of the inner wall of the rectangular groove 31; two bolts 33, one end of the bolt 33 is screwedly inserted into the inner wall of the threaded hole 32 and the screw hole block 34. When the oil tank 22 needs to be maintained, the steel wire rope 6 can be first pulled out of the inner wall of the lubricating pipe frame 25, then the bolt 33 is screwedly unscrewed from the inner wall of the threaded hole 32 and the screw hole block 34, and finally the support 21 is pulled upward to pull the one side of the support 21 and the screw hole block 34 out of the rectangular groove 31, so that the support 21 and the oil tank 22 can be detached from the base 1, facilitating replacement and maintenance.
[0035] Figures 1-4 One end of the screw hole block 34 is in a trapezoidal shape, and the end of the screw hole block 34 in the trapezoidal shape is arranged away from one side of the support 21. By arranging the end of the screw hole block 34 in a trapezoidal shape, the area of the end of the screw hole block 34 can be reduced, facilitating quick alignment and insertion into the inner wall of the rectangular groove 31, and facilitating installation operation. One side of the support 21 is fixedly installed with a supporting rod 35, and one end of the supporting rod 35 abuts one side of the base 1. By arranging the supporting rod 35, one side of the support 21 can be supported and reinforced, so that it is not easy to shake during use, and the use stability is improved.
[0036] Working principle: when the one end of the steel wire rope 6 is used through the lubricating pipe frame 25 in the lubricating device 2, the oil pump 23 can be started to pump the lubricating oil in the oil tank 22 into the lubricating pipe frame 25 through the oil pipe 24, when the crane is used to lift the wind power equipment parts during the maintenance process, the one end of the steel wire rope 6 is passed through the lubricating pipe frame 25 in the lubricating device 2, and then it is installed on the outer surface of one end of the lifting frame 4, then according to the maintenance requirement, the lifting frame 4 is stretched to a certain height, when the wind power equipment parts are maintained, the clamp or the bandage bound on the wind power equipment parts is fixed on the lifting hook 7, and the winch 5 is started to wind or unwind the steel wire rope 6, so as to facilitate the maintenance, then when the steel wire rope 6 moves back and forth in the inner wall of the lubricating pipe frame 25, the rolling ball 26 rotates to take out the lubricating oil from the oil tank 22 and uniformly apply it on the surface of the steel wire rope 6, so as to reduce the corrosion and rust probability of the surface of the steel wire rope 6, avoid the situation that the strength of the steel wire rope 6 is reduced to reduce the carrying capacity, reduce the risk of fracture, reduce the abrasion between the lifting frame 4, prolong the service life of the crane and reduce the maintenance cost.
[0037] When the oil tank 22 needs to be maintained, the steel wire rope 6 can be pulled out from the inner wall of the lubricating pipe frame 25, then the bolt 33 is screwed out from the inner wall of the threaded hole 32 and the screw hole block 34, and finally the bracket 21 is pulled upwards to pull out one side of the bracket 21 and the screw hole block 34 from the rectangular groove 31, so that the bracket 21 and the oil tank 22 can be detached from the base 1 for replacement and maintenance.
[0038] Based on the above ideal embodiment of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the contents in the specification, and must be determined according to the scope of claims.
Claims
1. A windmill maintenance crane comprising a base (1), characterized in that: One side of the base (1) is provided with a lifting frame (4), one side of the base (1) is provided with a winch (5), the winding roller of the winch (5) is provided with a steel wire rope (6), one end of the steel wire rope (6) is provided with a lifting hook (7), one side of the base (1) is provided with a lubricating device (2), the lubricating device (2) can suck the lubricating oil filled in the oil tank (22) into the inside of the lubricating pipe frame (25) through the oil pump (23), then when the steel wire rope (6) moves back and forth in the inner wall of the lubricating pipe frame (25), the rolling ball (26) is driven to rotate to take out the lubricating oil and evenly smear on the surface of the steel wire rope (6) to achieve the effect of maintenance.
2. A windmill maintenance crane according to claim 1, characterized in that: The lubricating device (2) comprises a support (21) and an oil tank (22), wherein one side of the oil tank (22) is fixedly installed on one side of the support (21), and an oil pump (23) is fixedly arranged at the outlet of the oil tank (22); A lubricating pipe frame (25) is fixedly installed at the inner wall of one end of the support (21), and a plurality of rolling balls (26) are installed in the inner wall of the lubricating pipe frame (25); An oil pipe (24) is installed at the outlet of the oil pump (23) and one side of the lubricating pipe frame (25).
3. A windmill maintenance crane according to claim 2, characterized in that: The inner wall of the lubricating pipe frame (25) is connected with a plurality of wiping blocks (27), and the wiping blocks (27) are made of sponge material.
4. A wind turbine service crane according to claim 2, characterised in that: The lubricating device (2) further comprises a limiting roller (28), wherein the two ends of the limiting roller (28) are rotatably installed in the inner wall of the support (21) and located at the bottom position of the lubricating pipe frame (25).
5. A wind turbine service crane according to claim 4, characterised in that: The outer surfaces of the two ends of the limiting roller (28) are fixedly installed with bearings (29), and the outer rings of the bearings (29) are fixedly installed on the inner wall of the support (21).
6. A wind turbine service crane according to claim 2, characterised in that: A detachable device (3) is arranged between one side of the support (21) and one side of the base (1), the detachable device (3) comprises two screw hole blocks (34), one side of the screw hole block (34) is fixedly installed on one side of the support (21), one side of the base (1) is symmetrically provided with a rectangular groove (31), the screw hole block (34) is inserted into the inner wall of the rectangular groove (31), and a threaded hole (32) is formed in one side of the inner wall of the rectangular groove (31); Two bolts (33) are inserted into the inner walls of the threaded hole (32) and the screw hole block (34).
7. A service crane for wind power plants according to claim 6, characterized in that The longitudinal section of one end of the screw hole block (34) is in trapezoidal shape, and the end of the screw hole block (34) in trapezoidal shape is arranged on the side away from the support (21).
8. A wind turbine service crane according to claim 6, characterised in that: One side of the support (21) is fixedly installed with a supporting rod (35), and one end of the supporting rod (35) abuts against one side of the base (1).