A safety hoisting device for repairing mechanical parts
By controlling the angle adjustment of mechanical parts and the movement of the hoisting cable using a servo motor and worm gear reducer, the compatibility and safety issues of existing equipment are resolved, achieving a safe and stable hoisting effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-15
- Publication Date
- 2026-03-27
AI Technical Summary
Existing mechanical hoisting equipment is difficult to adjust the vertical and horizontal angles of mechanical parts as needed, has poor adaptability, and is prone to wear and tear of hoisting cables and failure to support parts in time when steel cables break during hoisting.
The system uses a servo motor and worm gear reducer to control the rotation of the linkage gear and gear ring. The worm gear reducer drives the traction cable to be wound and unwound, adjusts the vertical tilt angle of the mechanical parts, and uses an electric hoist and telescopic rod to achieve vertical and horizontal movement of the cable. It is equipped with LED lights for observation, and a bracket is used to support the cable in case of breakage.
It improves adaptability to parts of different shapes and sizes, ensures the safety and stability of the hoisting process, can adjust the angle of mechanical parts as needed, reduce cable wear, and support fallen parts in a timely manner.
Smart Images
Figure CN121516732B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of mechanical hoisting technology, and particularly relates to a safe hoisting equipment for mechanical part maintenance. BACKGROUND
[0002] When large mechanical equipment is maintained, a crane needs to be used to hoist the parts of the mechanical equipment, so that the bottom of the mechanical equipment part can be maintained. The equipment part must be hoisted stably. Therefore, the hoisting of the equipment must be coordinated by a hoisting worker. Due to the difference of the mechanical equipment, the tilt angles of the butt joint surfaces of the parts during installation are different. The angle of the hoisted part needs to be adjusted according to the difference of the parts during hoisting, maintenance and assembly.
[0003] When heavy equipment parts are hoisted, the hoisting cable needs to be kept vertical. When the hoisting cable rubs against the edge of the outer surface of the mechanical part, the sharp edge of the mechanical part is easy to cause abrasion of the hoisting cable. The existing equipment is not convenient to adjust the tilt angle of the vertical and horizontal planes of the mechanical part according to the need. The adaptability of the existing hoisting equipment to parts of different shapes and different sizes is poor. The existing equipment is not convenient to support the falling part in time after the steel cable is broken. SUMMARY
[0004] Therefore, the present application provides a safe hoisting equipment for mechanical part maintenance. The servo motor and the worm and gear reducer at the corresponding positions are controlled to drive the linkage gear at the bottom of the reducer to rotate horizontally, drive the corresponding gear ring to rotate horizontally, drive the rotating seat inside the gear ring to drive the worm and gear reducer three to rotate horizontally. After the butt joint disc at the bottom of the traction cable is fastened with the edge of the mechanical part, the worm and gear reducer three is controlled to drive the traction cable to be retracted and released. The traction cable at each angle outside the mechanical part is controlled to be retracted and released. The vertical tilt angle of the mechanical part can be adjusted according to the need.
[0005] The present application provides a safe hoisting equipment for mechanical part maintenance, which specifically comprises a base frame, a sliding groove is formed in the inner side vertical surface of the base frame, a sliding table is slidingly connected to the inner side of the base frame, a through hole is vertically penetrated in the sliding table, an LED lamp is fixedly connected to the inner side of the through hole, a side rack is fixedly connected to the top left side of the sliding table, a stand is fixedly connected to the top of the base frame, a worm and gear reducer one is fixedly connected to the top left side of the base frame, a servo motor is installed on the top of the worm and gear reducer one, a gear is coaxially connected to the bottom of the output shaft of the worm and gear reducer one, the gear is in meshing transmission with the side rack, an operation table is fixedly connected to the outer side of the stand, a rotating variable resistance hand wheel is rotatably connected to the outer side of the operation table, a cross stand is fixedly connected to the top of the stand, an inner frame is fixedly connected to the bottom of the cross stand, an electric hoist is fixedly connected to the bottom surface of the cross stand, the number of the electric hoists is four, two groups of square stands are fixedly connected to the inner side of the inner frame, and a cross plate is fixedly connected to the inner side of the square stand.
[0006] Optionally, the electric hoist bottom is wound with a sling cable, the stand outer side is fixedly connected with a support seat, and the support seat top is fixedly connected with the inner frame bottom.
[0007] Optionally, the square frame top surface is fixedly connected with a lower rail, the square frame bottom surface is fixedly connected with an upper rail, and the lower rail top and the upper rail bottom are respectively slidably connected with mutually perpendicular and intersecting through-slot frames.
[0008] Optionally, the through-slot frame inside left and right sides are provided with inner sliding grooves, and every two groups of mutually intersecting through-slot frame insides are provided with vertical square seat pipes.
[0009] Optionally, the square seat pipe upper and lower ends are fixedly connected with clamping plates, the clamping plate sides are fixedly connected with side sliding columns, and the side sliding columns are slidably connected with the inner sliding grooves.
[0010] Optionally, the square seat pipe upper and lower ends are fixedly connected with horn pipes I, and the sling cable is arranged in the square seat pipe inside.
[0011] Optionally, the support seat top is fixedly installed with a worm gear reducer II, the worm gear reducer II outer side is fixedly connected with a servo motor, and the worm gear reducer II bottom output shaft outer side is fixedly connected with a linkage gear.
[0012] Optionally, the support seat top is fixedly connected with four groups of vertically arranged ring frames, the ring frame inside is slidably connected with a gear ring, the gear ring outer curved side is fixedly connected with a gear part, the ring frame outer curved side is provided with a through hole, and the linkage gear and the gear ring outer curved side gear part are in mesh transmission.
[0013] Optionally, the gear ring inner curved side is fixedly connected with a rotating seat, the rotating seat top is fixedly connected with a worm gear reducer III for installing a servo motor, the rotating seat top is fixedly connected with a horn pipe II, the worm gear reducer III output shaft is fixedly connected with a roller shaft, the roller shaft outer side is wound with a traction cable, and the traction cable is arranged in the horn pipe II inside.
[0014] Optionally, the sling cable and the traction cable bottom are fixedly connected with a butt joint disc I, the butt joint disc I inside is threadedly connected with a fastening bolt screw rod, the fastening bolt screw rod left end is fixedly connected with a butt joint disc II, and the butt joint disc II left side is fixedly connected with a rotating head.
[0015] The application provides a safe hoisting equipment for mechanical part maintenance, and has the following beneficial effects:
[0016] 1. The hoisting equipment structure according to the embodiments of the application, the user can drive the four groups of electric hoists at the stand top to serve and operate by rotating the adjusting hand wheel of the operation table, can control the electric hoist to vertically wind and release the sling cable, and can vertically hoist the large mechanical part by the sling cable.
[0017] 2、By setting the through slot frame, by rotating the corresponding hand wheel, can make it drive the electric telescopic rod at the square frame to servo operation, can make the electric telescopic rod drive the vertical cross through slot frame to move horizontally, can make the square seat tube inside the intersection of the through slot frame move horizontally, can make the square seat tube translate to the riveting hole of the mechanical part according to the shape of the part, can stably lift the mechanical part outside, can improve the adaptability of different shapes and different sizes of parts.
[0018] 3, the mechanical part is translated into the inside of the stand, after the mechanical part is lifted up, the user can turn on the LED lamp inside the sliding table, can light up the bottom of the mechanical part, the user can stand on the sliding table to observe and maintain the bottom of the mechanical part, after the lower part of the mechanical equipment is moved to the inside of the stand through the sliding table, the part can be connected by lowering, which is convenient for assembling the mechanical equipment with different angle connecting surfaces.
[0019] 4、The user rotates the hand wheel of the operation table outside the stand to control the operation of the servo motor and the worm and gear reducer at the corresponding position, so that the linkage gear at the bottom of the reducer drives the corresponding gear ring to rotate horizontally, the rotating seat inside the gear ring drives the corresponding worm and gear reducer three to rotate horizontally, after the connecting disc at the bottom of the traction cable is fastened with the edge of the mechanical part, the operation of the worm and gear reducer three is controlled to drive the traction cable to be retracted, the traction cable at each angle outside the mechanical part is controlled to be retracted, and the vertical inclination angle of the mechanical part can be adjusted as needed.
[0020] 5、Through the cooperation of the traction cable and the lifting cable, the safety during lifting can be improved, when a single group of steel cables breaks, the maintenance personnel can timely evacuate the scene.
[0021] 6、By setting the gear ring, rotating the hand wheel to control the operation of the worm and gear reducer two, the gear ring can be driven to rotate horizontally, the angle of the traction cable in the horizontal plane can be adjusted, so that the mechanical part can be deflected horizontally.
[0022] 7、The user can observe the tension of each group of steel cables through the tension sensor data at the operation table, which is convenient for adjusting the angle of the mechanical part by retracting the steel cable according to the center of gravity of the mechanical part, after the mechanical part is lifted up, the user can turn down the support, when the steel cable breaks, the support can support the falling mechanical part, which can improve the safety during lifting and maintenance. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.
[0024] The accompanying drawings that are described below only relate to some embodiments of the present application, and are not a limitation to the present application.
[0025] In the drawings:
[0026] Figure 1 is a left side perspective structural schematic view of the hoisting equipment as a whole of the embodiment one of the present application.
[0027] Figure 2 is a bottom perspective structural schematic view of the hoisting equipment as a whole of the embodiment one of the present application.
[0028] Figure 3 is Figure 2 a partial enlarged schematic view of A in FIG.
[0029] Figure 4 is a perspective exploded schematic view of the inner frame of the hoisting equipment of the embodiment one of the present application.
[0030] Figure 5 is Figure 4 a partial enlarged schematic view of B in FIG.
[0031] Figure 6 is a perspective structural schematic view of the square seat pipe of the hoisting equipment of the embodiment one of the present application.
[0032] Figure 7 is a side cross-sectional perspective schematic view of the stand of the hoisting equipment of the embodiment one of the present application.
[0033] Figure 8 is a perspective structural schematic view of the ring-shaped frame of the hoisting equipment of the embodiment one of the present application.
[0034] Figure 9 is a perspective structural schematic view of the cross-shaped frame of the hoisting equipment of the embodiment one of the present application.
[0035] Figure 10 is Figure 9 a partial enlarged schematic view of C in FIG.
[0036] List of reference signs
[0037] 1, chassis; 2, sliding table; 201, through hole; 202, LED lamp; 203, side rack; 3, worm gear reducer I; 4, stand; 401, operation table; 402, cross; 4021, inner frame; 4022, electric hoist; 403, square frame; 404, cross plate; 405, cable; 406, support seat; 5, lower rail; 501, upper rail; 502, through slot frame; 5021, inner sliding groove; 503, electric telescopic rod; 6, square seat pipe; 601, clamping plate; 602, side sliding column; 603, horn pipe I; 7, worm gear reducer II; 701, linkage gear; 702, ring frame; 703, gear ring; 704, rotating seat; 705, worm gear reducer III; 706, horn pipe II; 707, traction cable; 8, butt joint disc I; 801, butt joint disc II; 802, rotating head; 803, fastening bolt. DETAILED DESCRIPTION
[0038] The embodiments of the present application will be further described in detail below with reference to the drawings and examples.
[0039] Example one: please refer to Figures 1 to 10 As shown: the present application provides a kind of safety hoisting equipment for mechanical parts maintenance, including chassis 1, sliding slot is set in the inner side vertical surface of chassis 1, sliding table 2 is connected with the inner side sliding of chassis 1, vertical through hole 201 is in the inside of sliding table 2, LED lamp 202 is fixedly connected in the inside of through hole 201, side rack 203 is fixedly connected on the top left side of sliding table 2, worm gear reducer I 3 is fixedly connected on the top left side of chassis 1, stand 4 is fixedly connected on the top of chassis 1, servo motor is installed on the top of worm gear reducer I 3, gear is coaxially connected on the bottom of the output shaft of worm gear reducer I 3, gear is engaged with side rack 203, operation table 401 is fixedly connected on the outer side of stand 4, rotating variable resistance hand wheel is rotatably connected on the outer side of operation table 401, cross 402 is fixedly connected on the top of stand 4, inner frame 4021 is fixedly connected on the bottom of cross 402, electric hoist 4022 is fixedly connected on the bottom of cross 402, electric hoist 4022 is set as four groups, two groups of square frame 403 are fixedly connected on the inner side of inner frame 4021, cross plate 404 is fixedly connected on the inner side of square frame 403, after moving large mechanical parts to the top of sliding table 2, it can make the gear of output shaft of worm gear reducer I 3 drive side rack 203 to move by operating worm gear reducer I 3, it can drive sliding table 2 to move in the inner side of chassis 1, it can move mechanical parts into the inner side of stand 4, after hoisting mechanical parts upward, user can turn on LED lamp 202 in the inner side of sliding table 2, it can light up the bottom of mechanical parts upward, user can observe and maintain the bottom of mechanical parts by standing on sliding table 2.
[0040] As Figures 2 to 6As shown, the electric hoist 4022 is wound with the lifting cable 405 at the bottom, the stand 4 is fixedly connected with the support seat 406 outside, the support seat 406 is fixedly connected with the inner frame 4021 at the top, the square frame 403 is fixedly connected with the lower rail 5 at the top surface, the square frame 403 is fixedly connected with the upper rail 501 at the bottom surface, the top of the lower rail 5 and the bottom surface of the upper rail 501 are respectively slidably connected with the mutually perpendicular and intersecting through slot frames 502, the inner left and right sides of the through slot frame 502 are provided with the inner sliding grooves 5021, the mutually intersecting through slot frames 502 are provided with the vertical square seat pipes 6 inside, the square seat pipes 6 are fixedly connected with the clamping plates 601 at the upper and lower ends, the clamping plates 601 are fixedly connected with the side sliding columns 602 at the two sides, the side sliding columns 602 are slidably connected with the inner sliding grooves 5021, the square seat pipes 6 are fixedly connected with the horn pipes one 603 at the upper and lower ends, the lifting cable 405 is provided inside the square seat pipe 6, the user can drive the four groups of electric hoists 4022 at the top of the stand 4 to servo operation by rotating the adjusting hand wheel of the operation table 401, can control the electric hoist 4022 to vertically wind and unwind the lifting cable 405, can drive the electric telescopic rod 503 at the square frame 403 to servo operation by rotating the corresponding hand wheel, can drive the vertically intersecting through slot frames 502 to translate, can drive the square seat pipes 6 inside the intersection of the through slot frames 502 to move horizontally, can translate the square seat pipes 6 to the riveting holes of the mechanical parts according to the shape of the parts, can improve the adaptability of the parts of different shapes and different sizes, the user can also directly install the electric hoist 4022 on the top of the square seat pipe 6, and directly adjust the position of the electric hoist 4022.
[0041] As Figures 3 to 10As shown, the top of the support seat 406 is fixedly installed with a worm gear reducer two 7, the outer side of the worm gear reducer two 7 is fixedly connected with a servo motor, the output shaft of the bottom of the worm gear reducer two 7 is fixedly connected with a linkage gear 701, the top of the support seat 406 is fixedly connected with four groups of vertically arranged annular frames 702, the inner side of the annular frame 702 is slidably connected with a gear ring 703, the outer curved side of the gear ring 703 is fixedly connected with a tooth portion, the outer curved side of the annular frame 702 is provided with a through hole, the linkage gear 701 is in meshing transmission with the tooth portion on the outer curved side of the gear ring 703, the inner curved side of the gear ring 703 is fixedly connected with a rotary seat 704, the top of the rotary seat 704 is fixedly connected with a worm gear reducer three 705 provided with a servo motor, the top of the rotary seat 704 is fixedly connected with a horn tube two 706, the output shaft of the worm gear reducer three 705 is fixedly connected with a roller shaft, the outer side of the roller shaft is wound with a traction cable 707, the traction cable 707 is provided in the inner side of the horn tube two 706, the user can control the servo motor and the worm gear reducer two 7 at the corresponding position to rotate by rotating the hand wheel of the operating table 401 on the outer side of the stand 4, so that the linkage gear 701 at the bottom of the reducer can drive the corresponding gear ring 703 to rotate horizontally, the rotary seat 704 in the inner side of the gear ring 703 can drive the corresponding worm gear reducer three 705 to rotate horizontally, after the butt joint disc at the bottom of the traction cable 707 is fastened with the edge of the mechanical part, the worm gear reducer three 705 can be controlled to drive the traction cable 707 to be retracted and extended, the mechanical part can be adjusted in vertical inclination by controlling the traction cable 707 at each angle on the outer side of the mechanical part to be retracted and extended, the worm gear reducer two 7 can be controlled to rotate by rotating the hand wheel, so that the gear ring 703 can be driven to rotate horizontally, and the traction cable 707 can be adjusted in angle in the horizontal plane, so that the mechanical part can be deflected horizontally.
[0042] As shown in the figure, Figures 4 to 10 As shown, the butt joint disc one 8 at the bottom of the hanger cable 405 is fixedly connected with the traction cable 707, the screw rod of the fastening bolt 803 is threadedly connected with the inner side of the butt joint disc one 8, the left end of the screw rod of the fastening bolt 803 is fixedly connected with the butt joint disc two 801, the left side of the butt joint disc two 801 is fixedly connected with the rotating head 802, after the butt joint disc one 8 is butt jointed with the rivet hole of the equipment part, the butt joint disc two 801 can be inserted from the other side, the butt joint disc two 801 and the butt joint disc one 8 can be fastened by the fastening bolt 803, and the mechanical equipment part can be fixed.
[0043] In the embodiment two, the tension sensor is arranged in the hoisting cable 405 and the traction cable 707, the support is vertically connected to the inner side of the vertical surface of the stand 4, and the clamping block is fixedly connected to the inner side of the vertical surface of the stand 4. The clamping block is located at the bottom of the support and is limited, so that the deflection angle of the support can be limited. The user can observe the tension of each group of steel cables through the tension sensor data at the operation table 401, so that the user can adjust the angle of the mechanical part according to the center of gravity of the mechanical part. After the mechanical part is hoisted upward, the user can turn down the support. When the steel cable is broken, the support can support the falling mechanical part, so that the safety during hoisting and maintenance can be improved.
[0044] The specific use and role of the embodiment are as follows: in use, first, the large mechanical part is moved to the top of the sliding table 2, the worm gear reducer one 3 is controlled to operate through the operation table 401, so that the gear of the output shaft drives the side rack 203 to translate, the sliding table 2 is translated in the inner side of the base frame 1, the mechanical part is translated into the inner side of the stand 4, the butt joint disc one 8 is butt jointed with the equipment part rivet hole, the butt joint disc two 801 is inserted from the other side, and the butt joint disc two 801 and the butt joint disc one 8 are fastened through the fastening bolt 803, so that the mechanical equipment part is fixed. The user rotates the adjusting hand wheel of the operation table 401, so that the four groups of electric hoists 4022 at the top of the stand 4 are served and operated, the hoisting cable 405 is vertically wound and unwound through the control of the electric hoist 4022, the LED lamp 202 in the inner side of the sliding table 2 is turned on, the bottom of the mechanical part is lighted upward, the electric telescopic rod 503 at the square frame 403 is served and operated through the rotation of the corresponding hand wheel, the electric telescopic rod 503 drives the vertical intersecting through groove frame 502 to translate, the square seat pipe 6 in the inner side of the intersection of the through groove frame 502 is moved in the horizontal plane, the square seat pipe 6 is translated to the riveting hole of the mechanical part according to the shape of the part, the adaptability of the parts with different shapes and different sizes is improved, the user rotates the hand wheel of the operation table 401 at the outer side of the stand 4, the corresponding servo motor and the worm gear reducer two 7 are controlled to operate, the linkage gear 701 at the bottom of the reducer drives the corresponding gear ring 703 to rotate horizontally, the rotating seat 704 in the inner side of the gear ring 703 drives the corresponding worm gear reducer three 705 to rotate horizontally, the butt joint disc at the bottom of the traction cable 707 is fastened with the edge of the mechanical part, the traction cable 707 is wound and unwound through the control of the worm gear reducer three 705, the traction cable 707 at each angle outside the mechanical part is wound and unwound, the vertical inclination angle of the mechanical part is adjusted, the gear ring 703 is horizontally rotated through the rotation of the hand wheel and the control of the worm gear reducer two 7, the angle of the traction cable 707 in the horizontal plane is adjusted, and the mechanical part is horizontally deflected through the traction, so that the horizontal and vertical inclination angles of the large mechanical part are adjusted.
Claims
1. A safety hoisting device for use in the repair of mechanical parts, comprising: The chassis is characterized in that a sliding groove is arranged at the inner side vertical surface of the chassis; a sliding table is slidably connected to the inner side of the chassis, a through hole is vertically arranged in the sliding table, an LED lamp is fixedly connected to the inner side of the through hole, a side rack is fixedly connected to the top left side of the sliding table; a worm gear reducer I is fixedly connected to the top left side of the chassis, a servo motor is installed on the top of the worm gear reducer I, a gear is coaxially connected to the bottom of the output shaft of the worm gear reducer I, the gear is in meshing transmission with the side rack, a stand is fixedly connected to the top of the chassis, an operation table is fixedly connected to the outer side of the stand, a rotary variable resistance hand wheel is rotatably connected to the outer side of the operation table, a cross stand is fixedly connected to the top of the stand, an inner frame is fixedly connected to the bottom of the cross stand, an electric hoist is fixedly connected to the bottom surface of the cross stand, the number of the electric hoists is four, two groups of square frames are fixedly connected to the inner side of the inner frame, and a cross plate is fixedly connected to the inner side of the square frame; a lower rail is fixedly connected to the top surface of the square frame, an upper rail is fixedly connected to the bottom surface of the square frame, and a through slot frame is slidably connected to the top of the lower rail and the bottom of the upper rail, respectively; inner sliding grooves are arranged in the left and right sides of the through slot frame, and vertical square seat pipes are arranged in the inner sides of every two groups of the through slot frames; a worm gear reducer II is fixedly installed on the top of the support base, a servo motor is fixedly connected to the outer side of the worm gear reducer II, and a linkage gear is fixedly connected to the outer side of the output shaft at the bottom of the worm gear reducer II; four groups of vertical annular frames are fixedly connected to the top of the support base, a gear ring is slidably connected to the inner side of the annular frame, a tooth part is fixedly connected to the outer curved surface of the gear ring, a through hole is arranged in the outer curved surface of the annular frame, and the linkage gear is in meshing transmission with the tooth part on the outer curved surface of the gear ring; a rotating seat is fixedly connected to the inner curved surface of the gear ring, a worm gear reducer III is fixedly connected to the top of the rotating seat and installed with a servo motor, a horn pipe II is fixedly connected to the top of the rotating seat, a roller shaft is fixedly connected to the output shaft of the worm gear reducer III, a traction cable is wound on the outer side of the roller shaft, and the traction cable is arranged in the inner side of the horn pipe II; a docking disc I is fixedly connected to the bottom of the hoisting cable and the traction cable, a screw rod is threadedly connected to the inner side of the docking disc I and fixedly connected with a fastening bolt, a docking disc II is fixedly connected to the left end of the screw rod of the fastening bolt, and a rotating head is fixedly connected to the left side of the docking disc II.
2. A safety hoisting device for use in the repair of mechanical parts as claimed in claim 1, characterized in that: The electric hoist is wound with a hoisting cable, the support base is fixedly connected to the outer side of the stand, and the top of the support base is fixedly connected with the bottom of the inner frame.
3. A safety hoist for use in the repair of mechanical parts as defined in claim 1, wherein: The square seat pipe is fixedly connected with a clamping plate at the upper and lower ends, side sliding columns are fixedly connected to the two sides of the clamping plate, and the side sliding columns are slidably connected with the inner sliding grooves.
4. A safety hoisting device for use in the repair of mechanical parts as defined in claim 3, characterized in that: The square seat pipe is fixedly connected with a horn pipe I at the upper and lower ends, and the hoisting cable is arranged in the inner side of the square seat pipe.
Citation Information
Patent Citations
Lifting device for building material transportation
CN114988297A
Method capable of realizing offshore replacement of single-point electric slip ring of internal turret type FPSO (Floating Production Storage and Offloading)
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