阅读说明：本技术 一种用于大吨位设备吊装的吊具 (Lifting appliance for hoisting large-tonnage equipment ) 是由 孙文杰 于 2021-07-29 设计创作，主要内容包括：本发明公开了一种用于大吨位设备吊装的吊具,涉及起重运输机械技术领域,包括主框架、平移机构、旋转机构、稳定机构、清洁机构,所述的主框架是平移机构、旋转机构、稳定机构、清洁机构的安装平台；本发明通过设置平移机构和旋转机构,可将平台旋转或者平移,方便装卸吊装物；本发明通过设置稳定机构,可将吊装物进行固定；本发明通过设置清洁机构,可将平台进行清洁。(The invention discloses a lifting appliance for lifting large-tonnage equipment, which relates to the technical field of lifting transport machinery and comprises a main frame, a translation mechanism, a rotating mechanism, a stabilizing mechanism and a cleaning mechanism, wherein the main frame is an installation platform of the translation mechanism, the rotating mechanism, the stabilizing mechanism and the cleaning mechanism; the platform can rotate or translate by arranging the translation mechanism and the rotating mechanism, so that the hoisting object can be conveniently loaded and unloaded; the lifting object can be fixed by arranging the stabilizing mechanism; the platform can be cleaned by arranging the cleaning mechanism.)

1. The utility model provides a hoist for hoist and mount of large-tonnage equipment, includes main frame, translation mechanism, rotary mechanism, stabilizing mean, clean mechanism, its characterized in that: the main frame is an installation platform of a translation mechanism, a rotating mechanism, a stabilizing mechanism and a cleaning mechanism, the stabilizing mechanism is used for fixing a hoisted object, and the cleaning mechanism is used for cleaning the translation mechanism; the translation mechanism comprises a sliding rod, a platform and a traversing component, the traversing component is arranged on the main frame and is used for driving the sliding rod to move horizontally, and the platform is fixedly arranged on the sliding rod; the rotating mechanism comprises a fixed seat, a fixed plate II, a driving assembly and a rotating assembly, the fixed seat is fixedly arranged on the main frame, a first sliding groove is formed in the fixed seat, the fixed seat and the fixed plate II are fixedly arranged, a second sliding groove and a strip-shaped hole are formed in the fixed plate II, the driving assembly is arranged on the fixed plate II, and the driving assembly is used for driving the rotating assembly to rotate; the runner assembly include gear wheel, pinion, slide, carousel, jam plate, rotating turret, stir the piece, the gear wheel setting on the slide bar, gear wheel and pinion meshing installation, pinion fixed mounting is on the rotating turret, the rotating turret rotates and installs on the slide, slide mounting on spout one, the rotating turret on be provided with four rotation slide bars, rotation slide bar and jam plate contact cooperation, jam plate fixed mounting is on the carousel, still fixed mounting has the bearing plate on the carousel, spacing post fixed mounting is on the bearing plate, is provided with thrust spring between bearing plate and the piece of stirring, sliding mounting on the piece is stirred to spacing post.

2. The lifting appliance for hoisting large-tonnage equipment according to claim 1, wherein: the driving assembly comprises a motor sliding seat, two first sliding blocks are fixedly mounted on the motor sliding seat, the first sliding blocks are slidably mounted on the second sliding grooves, a rotating motor is further arranged on the motor sliding seat, and an output shaft of the rotating motor penetrates through the strip-shaped hole and the rotary table and is fixedly mounted.

3. The lifting appliance for hoisting large-tonnage equipment according to claim 2, characterized in that: the gear ratio of the big gear to the small gear is 3: 1.

4. The lifting appliance for hoisting large-tonnage equipment according to claim 1, wherein: the main frame comprises a first side plate, a second side plate, a first fixing plate and hanging rods, wherein the two hanging rods are arranged between the first side plate and the second side plate, the first fixing plate is further arranged between the first side plate and the second side plate, two hanging ropes are arranged on the first fixing plate, an opening is formed in the first side plate, lifting sliding grooves are formed in the first side plate and the second side plate, transverse sliding grooves are formed in the first side plate and the second side plate, a transverse sliding rail is arranged on the first side plate, and a lifting sliding rail is arranged on the first side plate.

5. A lifting appliance for hoisting large-tonnage equipment according to claim 4, characterized in that: the transverse moving assembly comprises a transverse moving gear, a rack, a connecting rod and a first fixing rod, the transverse moving gear and an output shaft of a transverse moving motor are fixedly installed, the transverse moving gear and the rack are installed in a meshed mode, the rack is installed on a transverse moving slide rail in a sliding mode, the connecting rod is fixedly installed on the rack, the connecting rod and a sliding rod are fixedly installed, two ends of the sliding rod are installed on a transverse moving slide groove in a sliding mode, one fixing rod is installed on a side plate in a rotating mode, and the sliding rod and the first fixing rod are connected through a first reset spring.

6. The lifting appliance for hoisting large-tonnage equipment according to claim 1, wherein: the translation mechanism further comprises a movable plate, the movable plate is rotatably installed on the platform, and two movable holes are formed in the movable plate.

7. A lifting appliance for hoisting large-tonnage equipment according to claim 4, characterized in that: the stabilizing mechanism comprises a lifting component and a clamping component, wherein the lifting component is arranged on the main frame and used for driving the clamping component to open and close.

8. The lifting appliance for hoisting large-tonnage equipment according to claim 7, wherein: the lifting assembly comprises a lifting slider, a lead screw, a lifting slide bar and a linkage rod, the lead screw and an output shaft of the lifting motor are fixedly installed, the lead screw and the lifting slider are installed in a threaded mode, the lifting slider is installed on the lifting slide rail in a sliding mode, the lifting slider and the lifting slide bar are fixedly installed, the two ends of the lifting slide bar are installed on the lifting slide groove in a sliding mode, the lifting slide bar and a fixing rod I are connected through a reset spring II, the lifting slide bar is provided with the lifting rod, and the linkage rod is arranged on the lifting slide bar.

9. The lifting appliance for hoisting large-tonnage equipment according to claim 8, wherein: the clamping component comprise a connecting rod, a rotating rod, two supporting rods and two stabilizing plates, the supporting rods are fixedly mounted on the first fixing plate, the connecting rod and the rotating rod are all provided with four connecting rods, the connecting rods are rotatably mounted on the linkage rod, the rotating rod is rotatably mounted on the connecting rod, the rotating rod is rotatably mounted on the supporting rods, the supporting connecting rods are further arranged on the rotating rod, each supporting connecting rod is fixedly mounted with a second three fixing rod, and the two stabilizing plates are mounted on the second fixing rods.

10. A lifting appliance for hoisting large-tonnage equipment according to claim 4, characterized in that: the cleaning mechanism comprises a brush head, a supporting plate, a second sliding block, a third sliding block, a pushing rod, a first rotating rod, a cylindrical gear, a second rotating rod and a gear ring, brush head fixed mounting in the backup pad, backup pad fixed mounting is on dead lever three, three fixed mounting of dead lever is on slider two, hanger plate fixed mounting is on curb plate one, be provided with spout four on the hanger plate, slider two slidable mounting on spout four, slider three slidable mounting on the slide rail, slide rail fixed mounting is on the support, the catch bar slidable mounting is on slider two, the catch bar slidable mounting is on slider three, the first end of rotary rod one is rotated and is installed on the catch bar, the second end fixed mounting of rotary rod one is on cylindrical gear, cylindrical gear rotates and installs on rotary rod two, cylindrical gear and ring gear meshing installation, ring gear fixed mounting is on the support, rotary rod two is driven by cleaning motor.

Technical Field

The invention relates to the technical field of hoisting and transporting machinery, in particular to a lifting appliance for lifting large-tonnage equipment.

Background

A lifting appliance refers to a device for lifting a heavy object in lifting machinery, and is widely applied to the lifting industry, and overhead lifting operation is more and more common and more frequent. With the increase of high-altitude operation projects, the lifting appliance is frequently used in high-altitude operation, and the use requirement is higher and higher, for example, the weight of a lifted object does not exceed the limit working load of the lifting appliance, and the stability of the lifting appliance is also important when large-tonnage equipment is lifted. The application number is CN 202020754168.2's patent discloses a large-tonnage steel sheet hoist, including diaphragm and through-hole, the through-hole has all been processed to inside both sides around the diaphragm, hoisting component is all installed to both sides around the diaphragm, hoisting component includes lifting hook, the lantern ring, wire rope, first round pin axle, shrouding, second round pin axle and pulley, wire rope runs through the inside at the through-hole, wire rope's outer wall laminating links to each other there is the pulley, the equal rigid coupling of lower extreme of the lantern ring has the lifting hook. However, the lifting object is inconvenient to load and unload, so that the lifting appliance for lifting large-tonnage equipment can rotate or translate the platform through the translation mechanism and the rotating mechanism, and the lifting object is convenient to load and unload.

Disclosure of Invention

Aiming at the technical problems, the technical scheme adopted by the invention is as follows: a lifting appliance for lifting large-tonnage equipment comprises a main frame, a translation mechanism, a rotating mechanism, a stabilizing mechanism and a cleaning mechanism, wherein the main frame is a mounting platform for the translation mechanism, the rotating mechanism, the stabilizing mechanism and the cleaning mechanism, the stabilizing mechanism is used for fixing a lifted object, and the cleaning mechanism is used for cleaning the translation mechanism; the translation mechanism comprises a sliding rod, a platform and a traversing component, the traversing component is arranged on the main frame and is used for driving the sliding rod to move horizontally, and the platform is fixedly arranged on the sliding rod; the rotating mechanism comprises a fixed seat, a fixed plate II, a driving assembly and a rotating assembly, the fixed seat is fixedly arranged on the main frame, a first sliding groove is formed in the fixed seat, the fixed seat and the fixed plate II are fixedly arranged, a second sliding groove and a strip-shaped hole are formed in the fixed plate II, the driving assembly is arranged on the fixed plate II, and the driving assembly is used for driving the rotating assembly to rotate; the runner assembly include gear wheel, pinion, slide, carousel, jam plate, rotating turret, stir the piece, the gear wheel setting on the slide bar, gear wheel and pinion meshing installation, pinion fixed mounting is on the rotating turret, the rotating turret rotates and installs on the slide, slide sliding mounting on spout one, the rotating turret on be provided with four and rotate the slide bar, rotate slide bar and jam plate contact fit, the jam plate is used for rotating the slide bar and blocks, prevents that the rotating turret from rotating, the jam plate still is used for stirring and rotates the slide bar, jam plate fixed mounting is on the carousel, still fixed mounting has the bearing plate on the carousel, spacing post fixed mounting is on the bearing plate, is provided with thrust spring between bearing plate and the piece of stirring, spacing post sliding mounting is on the piece of stirring, the piece is used for stirring and rotates the slide bar.

Further, drive assembly include the motor sliding seat, the motor sliding seat on fixed mounting have two sliders one, slider one is at spout two slidable mounting, still is provided with the rotation motor on the motor sliding seat, the output shaft that rotates the motor passes bar hole and carousel fixed mounting.

Furthermore, the gear ratio of the big gear to the small gear is 3: 1.

Furthermore, the main frame comprises a first side plate, a second side plate, a first fixing plate and hanging rods, wherein the two hanging rods are arranged between the first side plate and the second side plate, the first fixing plate is further arranged between the first side plate and the second side plate, the first fixing plate is provided with two hanging ropes, the first side plate is provided with an opening, the first side plate and the second side plate are respectively provided with a lifting sliding groove, the first side plate and the second side plate are respectively provided with a transverse sliding groove, the first side plate is provided with a transverse sliding rail, and the first side plate is provided with a lifting sliding rail.

Furthermore, the transverse moving assembly comprises a transverse moving gear, a rack, a connecting rod and a first fixing rod, the transverse moving gear and an output shaft of the transverse moving motor are fixedly installed, the transverse moving gear and the rack are installed in a meshed mode, the rack is installed on the transverse moving slide rail in a sliding mode, the connecting rod is fixedly installed on the rack, the connecting rod and the sliding rod are fixedly installed, two ends of the sliding rod are installed on the transverse moving slide groove in a sliding mode, the first fixing rod is installed on the first side plate in a rotating mode, and the sliding rod and the first fixing rod are connected through a first reset spring.

Furthermore, translation mechanism still include the fly leaf, the fly leaf rotate to be installed on the platform, be provided with two movable holes on the fly leaf, the movable hole cooperatees with the cable of hanging, prevents that the hoist and mount thing from the fly leaf landing.

Furthermore, stabilizing mean include lifting unit, clamping unit, lifting unit set up on the main frame, lifting unit is used for driving clamping unit switching.

Further, the lifting assembly include lifting slide block, lead screw, lift slide bar, gangbar, lead screw and elevator motor's output shaft fixed mounting, lead screw and lifting slide block thread installation, lifting slide block slidable mounting on the lift slide rail, lifting slide block and lift slide bar fixed mounting, the slidable mounting is gone up and down at the both ends of lift slide bar on the lift spout, lift slide bar and dead lever are connected through reset spring two, are provided with the lifter on the lift slide bar, are provided with the gangbar on the lifter, the gangbar is used for driving the connecting rod to rotate.

Further, clamping component include connecting rod, dwang, bracing piece, steadying plate, bracing piece fixed mounting on fixed plate one, connecting rod, dwang all are provided with four, the connecting rod rotates to be installed on the gangbar, the dwang rotates to be installed on the connecting rod, the dwang rotates to be installed on the bracing piece, still be provided with the supporting connection rod on the dwang, all fixed mounting has three dead lever two on every supporting connection rod, steadying plate is provided with two, steadying plate installs on dead lever two, steadying plate is used for fixing hoist and mount thing.

Further, the cleaning mechanism comprises a brush head, a support plate, a second slider, a third slider, a push rod, a first rotating rod, a cylindrical gear, a second rotating rod and a gear ring, the brush head is fixedly arranged on the support plate, the brush head is used for cleaning the platform, the support plate is fixedly arranged on the third fixing rod, the third fixing rod is fixedly arranged on the second slider, a hanging plate is fixedly arranged on the first side plate, a fourth sliding groove is formed in the hanging plate, the second slider is slidably arranged on the fourth sliding groove, the sliding rail is fixedly arranged on a support, the third slider is slidably arranged on the sliding rail, the push rod is slidably arranged on the second slider, the push rod is slidably arranged on the third slider, the first end of the first rotating rod is rotatably arranged on the push rod, the second end of the first rotating rod is fixedly arranged on the cylindrical gear, the cylindrical gear is rotatably arranged on the second rotating rod, the cylindrical gear is meshed with the gear ring, and the gear ring is fixedly arranged on the support, the second rotating rod is driven by the cleaning motor.

Compared with the prior art, the invention has the beneficial effects that: (1) the platform can rotate or translate by arranging the translation mechanism and the rotating mechanism, so that the hoisting object can be conveniently loaded and unloaded; (2) the lifting object can be fixed by arranging the stabilizing mechanism, so that the lifting object is prevented from sliding off; (3) the platform can be cleaned by arranging the cleaning mechanism, and the platform can be fixed in an auxiliary manner.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of a main frame structure according to the present invention.

Fig. 3 is a schematic structural view of the translation mechanism of the present invention.

Fig. 4 is a schematic structural view of the rotating mechanism of the present invention.

Fig. 5 and 7 are partial schematic views of the rotating mechanism of the present invention.

Fig. 6 is an enlarged schematic view of the rotating mechanism a of the present invention.

Fig. 8 is a schematic structural view of the stabilizing mechanism of the present invention.

FIG. 9 is a partial schematic view of a stabilization mechanism of the present invention.

FIG. 10 is a schematic view of the cleaning mechanism of the present invention.

Fig. 11 and 12 are partial schematic views of the cleaning mechanism of the present invention.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example (b): fig. 1 shows a lifting tool for hoisting large-tonnage equipment, wherein a main frame 1 is a mounting platform for a translation mechanism 2, a rotation mechanism 3, a stabilizing mechanism 4 and a cleaning mechanism 5.

As shown in fig. 2, the main frame 1 includes two suspension rods 110, a first end of each suspension rod 110 is fixedly mounted on the first side plate 101, a second end of each suspension rod 110 is fixedly mounted on the second side plate 102, a first end of the first fixing plate 103 is fixedly mounted on the first side plate 101, a second end of the first fixing plate 103 is fixedly mounted on the second side plate 102, two suspension cables 104 are provided, the suspension cables 104 are fixedly mounted on the first fixing plate 103, the first side plate 101 is provided with an opening 105, the first side plate 101 and the second side plate 102 are both provided with a lifting chute 106, the first side plate 101 and the second side plate 102 are both provided with a transverse chute 107, the first side plate 101 is provided with a transverse chute 108, and the first side plate 101 is provided with a lifting chute 109. The hanger rod 110 is connected with a gantry crane for hoisting.

The translation mechanism 2 as shown in fig. 3, wherein the motor base 201 is fixedly installed on the first side plate 101, the traverse motor 202 is fixedly installed on the motor base 201, the output shaft of the traverse motor 202 and the traverse gear 203 are fixedly installed, the traverse gear 203 and the rack 204 are engaged, the rack 204 is slidably installed on the traverse slide 108, the connecting rod 205 is fixedly installed on the rack 204, the sliding rod 206 is fixedly installed on the connecting rod 205, two ends of the sliding rod 206 are slidably installed on the traverse slide 107, two return springs one 208 are provided, a first end of the return spring one 208 is fixedly installed on the sliding rod 206, a second end of the return spring one 208 is fixedly installed on the fixing rod one 207, a first end of the fixing rod one 207 is rotatably installed on the first side plate 101, a second end of the fixing rod one 207 is rotatably installed on the second side plate 102, the platform 209 is fixedly installed on the sliding rod 206, the movable plate 210 is rotatably installed on the platform 209, the movable plate 210 is provided with two movable holes 211. The traverse motor 202 drives the rack 204 to move through the traverse gear 203, the connecting rod 205 and the sliding rod 206 on the rack move synchronously, and after the hoisted object moves to the platform 209, the hanging rope 104 is connected with the movable hole 211 to prevent the hoisted object from sliding off from the movable plate 210.

The rotating mechanism 3 shown in fig. 4-7, wherein the fixed base 301 is fixedly mounted on the second side plate 102, the first sliding slot 302 is disposed on the fixed base 301, the sliding plate 305 is slidably mounted on the first sliding slot 302, the rotating frame 308 is rotatably mounted on the sliding plate 305, the rotating frame 308 and the small gear 304 are fixedly mounted, the small gear 304 and the large gear 303 are engaged, the large gear 303 is fixedly mounted on the sliding rod 206, the four rotating sliding rods 309 are disposed on the rotating frame 308, the rotating sliding rods 309 and the locking plate 307 are in contact fit, the locking plate 307 is fixedly mounted on the rotating disc 306, the bearing plate 310 is further fixedly mounted on the rotating disc 306, the position limiting column 311 is fixedly mounted on the bearing plate 310, the first end of the thrust spring 312 is fixedly mounted on the bearing plate 310, the second end of the thrust spring 312 is fixedly mounted on the dial block 313, the dial block 313 is provided with a sliding slot, the position limiting column 311 is slidably mounted in the sliding slot of the dial block 313, the second fixing plate 314 is fixedly installed on the fixing seat 301, the second fixing plate 314 is provided with two second sliding chutes 315, the second fixing plate 314 is further provided with two strip-shaped holes 316, the first sliding blocks 319 are two, the first sliding blocks 319 are fixedly installed on the motor sliding seat 318, the first sliding blocks 319 are slidably installed on the second sliding chutes 315, the rotating motor 317 is fixedly installed on the motor sliding seat 318, and an output shaft of the rotating motor 317 penetrates through the strip-shaped holes 316 and the rotating disc 306 to be fixedly installed.

The sliding plate 305 moves synchronously with the sliding rod 206, the rotating slide bar 309 on the rotating frame 308 drives the locking plate 307, the rotating disc 306, the rotating motor 317, the motor sliding seat 318 and the first sliding block 319 to move synchronously, the rotating motor 317 is started, the rotating motor 317 drives the rotating disc 306 and the locking plate 307 to rotate, when the dial block 313 contacts with the rotating slide bar 309, the dial block 313 drives the rotating frame 308 to rotate through the rotating slide bar 309, when the vertex of the dial block 313 contacts with the rotating slide bar 309 on the outer side, the dial block 313 compresses the thrust spring 312, the rotating disc 306 continues to rotate, when the vertex of the dial block 313 does not contact with the rotating slide bar 309 on the outer side, the thrust spring 312 drives the dial block 313 to reset, the rotating disc 306 continues to rotate, the oblique edge of the locking plate 307 drives the rotating frame 308 to rotate through the rotating slide bar 309 on the inner side until the rotating slide bar 309 rotates out of the locking plate 307, the locking plate 307 locks the rotating frame 308 through the four rotating slide bars 309, the turret 308 cannot rotate and the hoisted object can be scooped onto the platform 209 by both translation and rotation.

The stabilizing mechanism 4 as shown in fig. 8-9, wherein the lifting motor 401 is fixedly installed on the first side plate 101, the output shaft of the lifting motor 401 and the lead screw 403 are fixedly installed, the lead screw 403 is rotatably installed on the first side plate 101, the lead screw 403 and the lifting slider 402 are installed in a threaded manner, the lifting slider 402 is installed in a sliding manner on the lifting slide rail 109, the lifting slider 402 and the lifting slide bar 404 are fixedly installed, two ends of the lifting slide bar 404 are installed in a sliding manner on the lifting slide groove 106, two return springs 405 are provided, a first end of the return spring 405 is fixedly installed on the lifting slide bar 404, a second end of the return spring 405 is fixedly installed on the first fixing rod 207, the lifting rod 406 is fixedly installed on the lifting slide bar 404, the linkage rod 407 is fixedly installed on the lifting rod 406, the supporting rod 410 is fixedly installed on the first fixing plate 103, four connecting rods 408, the rotating rods 409 and the supporting connecting rods 411 are provided, connecting rod 408 rotates and installs on gangbar 407, dwang 409 rotates and installs on connecting rod 408, dwang 409 rotates and installs on bracing piece 410, and support connecting rod 411 fixed mounting is on dwang 409, and every supports and all fixed mounting has two three dead levers 412 on connecting rod 411, and stabilizing plate 413 is provided with two, and stabilizing plate 413 fixed mounting is on two dead levers 412. The lifting motor 401 drives the lead screw 403 to rotate, the lead screw 403 drives the lifting slider 402 to slide on the lifting slide rail 109, the lifting slide bar 404 drives the linkage rod 407 to move through the lifting rod 406, the linkage rod 407 drives the connecting rods 408 on two sides to rotate, the connecting rods 408 drive the rotating rod 409 to rotate by taking the supporting rod 410 as a center, and the rotating rod 409 drives the stabilizing plates 413 on two sides to open or close through the supporting connecting rod 411 and the second fixing rod 412, so that the hoisted object is fixed.

The cleaning mechanism 5 as shown in fig. 10-12, wherein the brush head 501 is fixedly mounted on the supporting plate 502, the supporting plate 502 is slidably mounted on the third sliding groove 503, the third sliding groove 503 is fixedly mounted on the first side plate 101, the supporting plate 502 is fixedly mounted on the third fixing rod 504, the third fixing rod 504 is fixedly mounted on the second sliding block 507, the third fixing rod 504 is slidably mounted on the opening 105, the first end of the hanging plate 505 is fixedly mounted on the first side plate 101, the second end of the hanging plate 505 is fixedly mounted on the second side plate 102, the hanging plate 505 is provided with the fourth sliding groove 506, the second sliding block 507 is slidably mounted on the fourth sliding groove 506, the bracket 515 is fixedly mounted on the hanging plate 505, the sliding rail 509 is fixedly mounted on the bracket 515, the third sliding block 508 is slidably mounted on the sliding rail 509, the pushing rod 510 is slidably mounted on the second sliding block 507, the pushing rod 510 is slidably mounted on the third sliding block 508, the first end of the first rotating rod 511 is rotatably mounted on the pushing rod 510, the second end of the first rotating rod 511 is fixedly arranged on a cylindrical gear 512, the cylindrical gear 512 is rotatably arranged on a second rotating rod 513, the second rotating rod 513 is fixedly arranged on a rotating shaft 516, the cylindrical gear 512 is meshed with a gear ring 514, the gear ring 514 is fixedly arranged on a bracket 515, the rotating shaft 516 and a driven bevel gear 518 are driven by a synchronous belt 517, the driven bevel gear 518 is meshed with a driving bevel gear 519, the driven bevel gear 518 is rotatably arranged on the bracket 515, the driving bevel gear 519 is fixedly arranged on an output shaft of a cleaning motor 520, and the cleaning motor 520 is fixedly arranged on the bracket 515.

The cleaning motor 520 drives the driving bevel gear 519 to rotate, the driving bevel gear 519 drives the driven bevel gear 518 to rotate, the driven bevel gear 518 drives the rotating shaft 516 to rotate through the synchronous belt 517, the second rotating rod 513 on the rotating shaft 516 rotates, the second rotating rod 513 drives the cylindrical gear 512 to do circular motion, under the action of the gear ring 514, the cylindrical gear 512 drives the pushing rod 510 to move through the first rotating rod 511, the pushing rod 510 drives the third sliding block 508 and the second sliding block 507 to respectively slide on the sliding rail 509 and the fourth sliding groove 506, the second sliding block 507 drives the third fixing rod 504 to move, the third fixing rod 504 drives the supporting plate 502 to slide on the third sliding groove 503, the brush head 501 on the supporting plate 502 cleans the platform 209, when the supporting plate 502 moves to the lower side of the platform 209, the supporting plate 502 can assist in supporting the platform 209, and prevents hoisting objects from bending and dropping the platform 209.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and fall within the scope of the present invention.