CN116332051A - Novel hoisting device - Google Patents

Novel hoisting device Download PDF

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Publication number
CN116332051A
CN116332051A CN202310313422.3A CN202310313422A CN116332051A CN 116332051 A CN116332051 A CN 116332051A CN 202310313422 A CN202310313422 A CN 202310313422A CN 116332051 A CN116332051 A CN 116332051A
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CN
China
Prior art keywords
control
sliding
positioning
crane
hanging beam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202310313422.3A
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Chinese (zh)
Inventor
胡振东
田帅密
李桂玲
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Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202310313422.3A priority Critical patent/CN116332051A/en
Publication of CN116332051A publication Critical patent/CN116332051A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C19/00Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/18Control systems or devices
    • B66C13/48Automatic control of crane drives for producing a single or repeated working cycle; Programme control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00Travelling gear incorporated in or fitted to trolleys or cranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00Cranes
    • B66C2700/01General aspects of mobile cranes, overhead travelling cranes, gantry cranes, loading bridges, cranes for building ships on slipways, cranes for foundries or cranes for public works

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)

Abstract

The invention discloses a novel hoisting device, which comprises supporting frames, wherein the supporting frames are respectively provided with a rail, a sliding single-beam crane is arranged between the rails at two sides, two ends of the single-beam crane are respectively provided with a motor-driven roller, the roller rotates on the rail, a sea snake on the single-beam crane is provided with a sliding first hoisting device, a transverse fixing frame is arranged between the two supporting frames, a control hanging beam is arranged on the transverse fixing frame, the control hanging beam is provided with a sliding second hoisting device, two ends of the single-beam crane are respectively provided with a control device, after the single-beam crane control devices slide to the two ends of the control hanging beam, the action of the control hanging beam is controlled, the control hanging beam slides between the two single-beam cranes, and after the control hanging beam is fixed between the two single-beam cranes, the hoisting weight is further increased, so that the problem that the single-beam crane cannot hoist due to weight reasons is avoided.

Description

Novel hoisting device
Technical Field
The invention relates to a lifting device, in particular to a novel lifting device.
Background
With the continuous development of industrial technology, the continuous innovation of mechanical equipment is further promoted, hoisting equipment is installed in a factory building of mechanical production, a single-beam crane is the most common, production hoisting requirements in a workshop can be met, a single-beam crane track in the workshop is arranged on a supporting upright post of the workshop, the single-beam crane walks on the track, the position is adjusted, hoisting operation is carried out, although the hoisting operation can be completed through the single-beam crane, when heavy accessories are encountered in the hoisting operation process, the single-beam crane is required to carry out independent hoisting operation, the single-beam crane cannot operate, further, the hoisting efficiency is reduced, and the accessory installation cost is increased.
Therefore, it is necessary to design a novel hoisting device to solve the above technical problems.
Disclosure of Invention
The invention provides a novel hoisting device.
The invention provides the following technical scheme:
the novel hoisting device comprises supporting frames, wherein the supporting frames are arranged on two sides of a wall body, a rail is respectively arranged on the supporting frames, a sliding single-beam crane is arranged between the rails on the two sides, two ends of the single-beam crane are respectively provided with a motor-driven roller, the rollers rotate on the rail, a sea snake on the single-beam crane is provided with a sliding first hoisting device, a lifting hook is arranged on the first hoisting device, a transverse fixing frame is arranged between the two supporting frames, a control hoisting beam is arranged on the transverse fixing frame, and a sliding second hoisting device is arranged on the control hoisting beam;
the two ends of the single-beam crane are respectively provided with a control device, and after the single-beam crane control devices slide to the two ends of the control hanging beam, the action of the control hanging beam is controlled, and the control hanging beam slides between the two single-beam cranes;
the top of the control hanging beam is also provided with a telescopic sliding locking positioning block, and the locking positioning block is fixed on the transverse fixing frame after sliding.
Preferably, the control device is respectively provided with a first threaded rod driven by a first motor, the control device is respectively provided with a sliding fixing mechanism, and the fixing mechanism is provided with a threaded hole which is correspondingly meshed with the first threaded rod;
the fixed mechanism is provided with a first chute, a sliding fixed block is arranged in the first chute, two sides of the first chute are respectively provided with a first gear driven by a motor, and two sides of the fixed block are respectively provided with tooth grooves which are correspondingly meshed and connected with the first gear;
the fixed block is characterized in that two sides of the fixed block are respectively provided with a locking groove, the fixed block is provided with a butt joint groove corresponding to the fixed block, two sides of the butt joint groove are respectively provided with a second sliding groove, a sliding locking block is respectively arranged in the second sliding groove, a third threaded rod rotating in the fixed block is respectively arranged in the second sliding groove, threaded holes in corresponding meshing connection with the third threaded rod are respectively arranged on the locking block, the end parts of the third threaded rod are respectively provided with a first sprocket, the fixed block is internally provided with a second rotating shaft driven by a second motor, two ends of the second rotating shaft are respectively provided with a second sprocket, and the first sprockets and the second sprockets are respectively connected correspondingly through a chain.
Preferably, a first rotating shaft driven by a second motor is arranged in the control hanging beam, a plurality of rotating control rotating shafts are arranged on the control hanging beam, a first bevel gear correspondingly engaged and connected is arranged at one end of each control rotating shaft and on each first rotating shaft, a first positioning mechanism capable of stretching and sliding is arranged at two sides of each locking positioning block, a fixing groove corresponding to each locking positioning block is arranged on each transverse fixing frame, a clamping groove corresponding to each first positioning mechanism is arranged at two sides of each fixing groove, a supporting sliding hole for supporting the sliding of each first positioning mechanism is arranged on each locking positioning block, a supporting frame for supporting the sliding of each first positioning mechanism is further arranged in each supporting sliding hole, and a first spring for pushing the corresponding first positioning mechanism to slide is arranged on each supporting frame;
the locking positioning block is internally provided with a sliding jacking mechanism, the end part of the jacking mechanism is in conical shape, the jacking mechanism is jacked on the first positioning mechanism, the jacking mechanism is provided with a first threaded hole, and the end part of the control rotating shaft is provided with a threaded hole which is in corresponding meshed connection with the first threaded hole.
Preferably, four corners of the control hanging beam are respectively provided with a positioning shaft, and the single-beam crane is provided with positioning holes corresponding to the positioning shafts.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the novel hoisting mechanism is formed by supporting the control hoisting beam through the two single-beam cranes, so that the hoisting weight is increased, the problem that the traditional single-beam crane cannot be normally hoisted due to weight limitation is avoided, the control hoisting beam is fixed on the transverse fixing frame, the sliding of the control hoisting beam can be controlled after the two single-beam cranes slide, the automatic control is carried out on the control hoisting beam, the hoisting weight can be greatly improved, and the problem that the traditional single-beam crane cannot be hoisted due to overweight is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of a novel lifting device according to an embodiment of the invention.
Fig. 2 is a side view of the overall structure of the novel lifting device according to the embodiment of the invention.
Fig. 3 is a schematic diagram of the overall structure of a control hanging beam according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of the overall structure of a fixing module according to an embodiment of the invention.
Fig. 5 is a side view of the overall structure of a control hanging beam according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of the overall structure of a locking positioning block according to an embodiment of the invention.
In the figure: 1 a supporting frame, 11 a transverse fixing frame and 1101 a fixing groove;
12 tracks;
2, a single-beam crane, 2001 idler wheels and 2002 positioning holes;
21 control means, 2101 first motor, 2102 first threaded rod;
22 first lifting devices, 2201 lifting hooks;
23 fixing mechanisms, 2301 first sliding grooves, 2302 fixing blocks, 2303 first gears and 2304 locking grooves;
3, controlling a hanging beam and a 3001 second hanging device;
31 locking positioning blocks, a 3101 first positioning mechanism, a 3102 control rotating shaft, a 3103 first rotating shaft, a 3104 first bevel gear, a 3105 second motor, a 3106 pressing mechanism, a 3107 first sliding cavity, a 3108 first threaded hole, a 3109 supporting sliding hole, a 3110 first spring and a 3111 supporting frame;
32 fixed modules, 3201 locking blocks, 3202 second sliding grooves, 3203 third threaded rods, 3204 first chain wheels and 3205 chains; 3206 second shaft, 3207 second sprocket, 3208 second motor;
33 locate the shaft.
Detailed Description
As shown in fig. 1 and fig. 6, a novel hoisting device comprises a support frame 1, wherein the support frame 1 is arranged on two sides of a wall body, a rail 12 is respectively arranged on the support frame 1, a sliding single-beam crane 2 is arranged between the rails 12 on two sides, two ends of the single-beam crane 2 are respectively provided with a motor-driven roller 2001, the rollers 2001 rotate on the rails 12, a first hoisting device 22 sliding on a sea snake on the single-beam crane 2 is arranged, a lifting hook 2201 is arranged on the first hoisting device 22, a transverse fixing frame 11 is arranged between the two support frames 1, a control hoisting beam 3 is arranged on the transverse fixing frame 11, and a second hoisting device 3001 sliding on the control hoisting beam 3 is arranged;
the two ends of the single-beam crane 2 are respectively provided with a control device 21, the single-beam crane control device controls the action of the control hanging beam 3 after sliding to the two ends of the control hanging beam 3, and the control hanging beam 3 slides between the two single-beam cranes 2;
the top of the control hanging beam 3 is also provided with a locking positioning block 31 which stretches and slides, and the locking positioning block 31 is fixed on the transverse fixing frame 11 after sliding.
The both ends of monospar crane 2 are provided with gyro wheel 2001 respectively, the gyro wheel 2001 rotates on the track 12 that the wall body both sides set up, and then can drive monospar crane 2 and slide, the adjustment position carries out hoisting operation, there is a plurality of monospar crane 2 to slide on track 12, can realize that many people carry out the operation simultaneously, be provided with a horizontal mount 11 between support frame 1, be provided with a control hoist beam 3 on horizontal mount 11, control hoist beam 3 is fixed to be set up on horizontal mount 11, be provided with gliding second hoist device 3001 on control hoist beam 3, second hoist device 3001 slides on control hoist beam 3, be provided with the lifting rope on second hoist device 3001, be provided with the couple on the lifting rope, second hoist device 3001 can realize hoisting operation equally, second hoist device 3001 is fixed to be set up on horizontal mount 11 at ordinary times, under the heavy accessory circumstances of hoist and mount, slide to the position of control hoist beam 3 through two monospar crane 2 in step, control hoist beam 3, make control hoist beam 3 to slide to two monospar crane 2, the new hoist 2 of two-side hoist and hoist weight of two is realized, and further the heavy hoist weight of the combination can not be realized, and the problem of the hoist can be further avoided.
The locking positioning block 31 is arranged at the top of the control hanging beam 3, and after the locking positioning block 31 is fixedly arranged on the transverse fixing frame 11, the locking positioning block can be in butt joint for fixing.
As shown in fig. 1 to 6, the control device 21 is respectively provided with a first threaded rod 2102 driven by a first motor 2101, the control device 21 is respectively provided with a sliding fixing mechanism 23, and the fixing mechanism 23 is provided with a threaded hole which is correspondingly meshed with the first threaded rod 2102;
the fixing mechanism 23 is provided with a first chute 2301, a sliding fixing block 2302 is arranged in the first chute 2301, two sides of the first chute 2301 are respectively provided with a first gear 2303 driven by a motor, and two sides of the fixing block 2302 are respectively provided with tooth grooves which are correspondingly meshed with the first gear 2303;
the two sides of the fixed block 23 are respectively provided with a locking groove 2304, the fixed block 32 is provided with a butt joint groove corresponding to the fixed block 23, two sides of the butt joint groove are respectively provided with a second sliding groove 3202, the second sliding groove 3202 is internally provided with a sliding locking block 3201, the second sliding groove 3202 is internally provided with a third threaded rod 3203 rotating in the fixed block 32, the locking block 3201 is respectively provided with a threaded hole in corresponding meshing connection with the third threaded rod 3203, the end part of the third threaded rod 3203 is respectively provided with a first sprocket 3204, the fixed block 32 is internally provided with a second rotating shaft 3206 driven by a second motor 3208, two ends of the second rotating shaft 3206 are respectively provided with a second sprocket 3207, and the first sprocket 3204 and the second sprocket 3207 are respectively correspondingly connected through a chain 3205.
The first threaded rod 2102 is driven to rotate through the first motor 2101, the threaded holes which are correspondingly meshed with the first threaded rod 2102 are formed in the fixing mechanism 23, the lifting sliding of the fixing mechanism 23 is controlled, a first sliding groove 2301 is formed in the fixing mechanism 23, the fixing blocks 2302 slide in the first sliding groove 2301, tooth grooves are formed in two sides of the fixing blocks 2302, a first gear 2303 which is driven by the motor is arranged on the fixing mechanism 23, the first gear 2303 is meshed with the tooth grooves and is further capable of controlling the telescopic sliding of the fixing blocks 2302, after the fixing blocks 2302 slide into butt joint grooves formed in the fixing modules 32, the second motor 3208 drives the second rotating shaft 3206 to rotate, two ends of the second rotating shaft 3206 are respectively provided with a second chain wheel 3207, the second chain wheels 3204 are connected through a chain 3205, the rotation of the third threaded rod 3203 can be controlled, the threaded holes which are correspondingly meshed with the third threaded rod 3203 are formed in the fixing blocks 3201, the sliding blocks 2301 are further controlled, the sliding blocks of the fixing blocks 2301 are connected with the second chain 3202 through the second chain 3204, and the sliding blocks 3202 are further fixed to the fixing grooves 3202 are controlled to the fixing blocks 3204, and the fixing blocks are further connected to the fixing blocks 3202 are arranged on the fixing grooves and are controlled to the fixing grooves.
As shown in fig. 1 to 6, a first rotating shaft 3103 driven by a second motor 3105 is disposed in the control hanging beam 3, a plurality of rotating control rotating shafts 3102 are disposed on the control hanging beam 3, a first bevel gear 3104 correspondingly engaged and connected is disposed on one end of the control rotating shaft 3102 and the first rotating shaft 3103, a first positioning mechanism 3101 capable of sliding in a telescopic manner is disposed on two sides of the locking positioning block 31, a fixing groove 1101 corresponding to the locking positioning block 31 is disposed on the transverse fixing frame 11, a clamping groove corresponding to the first positioning mechanism 3101 is disposed on two sides of the fixing groove 1101, a supporting sliding hole 3109 supporting the first positioning mechanism 3101 to slide is disposed on the locking positioning block 31, a supporting frame 3111 supporting the first positioning mechanism 3101 to slide is disposed in the supporting sliding hole 3109, and a first spring 3110 capable of pressing the first positioning mechanism 1 to slide is disposed on the supporting frame 3111;
a sliding jacking mechanism 3106 is arranged in the locking positioning block 31, the end part of the jacking mechanism 3106 is in a conical shape, the jacking mechanism 3106 is jacked on the first positioning mechanism 3101, a first threaded hole 3108 is arranged on the jacking mechanism 3106, and a threaded hole in corresponding meshed connection with the first threaded hole 3108 is arranged at the end part of the control rotating shaft 3102.
The first rotating shaft 3103 is driven to rotate by the rotation of the second motor 3105, first bevel gears 3104 which are correspondingly meshed and connected are respectively arranged on the first rotating shaft 3103 and the control rotating shaft 3102, further, the rotation of a copper plate of the control rotating shaft 3102 is driven, the quantity of the control rotating shaft 3102 is set according to the design requirement, a first sliding positioning mechanism 3101 is respectively arranged on two sides of the locking positioning block 31, a supporting sliding hole 3109 for supporting the first positioning mechanism 3101 to slide is arranged on the locking positioning block 31, a supporting frame 3111 for supporting the first positioning mechanism 3101 to slide is arranged in the supporting sliding hole 3109, a first spring 3110 for pushing the first positioning mechanism 3101 to slide is arranged on the supporting frame 3111, a thread groove is arranged at the end part of the control rotating shaft 3102 after the first positioning mechanism 3101 is pushed by the first spring 3110, a first sliding mechanism 3107 is arranged in the locking positioning block 31, a sliding top mechanism 6 is arranged in the first sliding cavity 7, a sliding top mechanism 6 is arranged in the sliding top mechanism 6, the top mechanism 6 is arranged on the sliding cavity 6, and the top mechanism is meshed with the first sliding mechanism 3101 through the thread groove, and the thread groove is fixed on the first sliding mechanism 3101, and the top mechanism is driven to rotate by the first sliding mechanism 3101, and the thread groove is fixed by the thread groove is meshed and connected with the first positioning mechanism 3101.
As shown in fig. 1, four corners of the control hanging beam 3 are respectively provided with a positioning shaft 33, and the single-beam crane 2 is provided with positioning holes 2002 corresponding to the positioning shafts 33.
The four corners of the control hanging beam 3 are respectively provided with a positioning shaft 33, the single-beam crane 2 is provided with a positioning hole 2002 corresponding to the positioning shaft 33, after the positioning shaft 33 is clamped in the positioning hole 2002, the control hanging beam 3 can be fixed on the single-beam crane 2, and then the sliding of the control hanging beam 3 is driven by the sliding of the single-beam crane 2, so that a new hanging combination is realized, and the hanging weight is further increased.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims (4)

1. The utility model provides a novel hoist device, including support frame (1), support frame (1) set up in the both sides of wall body, are provided with a track (12) on support frame (1) respectively, are provided with a gliding monospar crane (2) between both sides track (12), and the both ends of single crane (2) are provided with a motor drive's gyro wheel (2001) respectively, gyro wheel (2001) rotate on track (12), sea snake has gliding first hoist device (22) on single crane (2), is provided with lifting hook (2201) on first hoist device (22), its characterized in that: a transverse fixing frame (11) is arranged between the two supporting frames (1), a control hanging beam (3) is arranged on the transverse fixing frame (11), and a sliding second hoisting device (3001) is arranged on the control hanging beam (3);
two ends of the single-beam crane (2) are respectively provided with a control device (21), after the single-beam crane control devices slide to two ends of the control hanging beam (3), the action of the control hanging beam (3) is controlled, and the control hanging beam (3) slides between the two single-beam cranes (2);
the top of the control hanging beam (3) is also provided with a locking positioning block (31) which stretches and slides, and the locking positioning block (31) is fixed on the transverse fixing frame (11) after sliding.
2. The novel hoisting device according to claim 1, wherein: the control device (21) is respectively provided with a first threaded rod (2102) driven by a first motor (2101), the control device (21) is respectively provided with a sliding fixing mechanism (23), and the fixing mechanism (23) is provided with a threaded hole which is correspondingly meshed and connected with the first threaded rod (2102);
a first chute (2301) is arranged on the fixing mechanism (23), a sliding fixing block (2302) is arranged in the first chute (2301), a first gear (2303) driven by a motor is respectively arranged at two sides of the first chute (2301), and tooth grooves which are correspondingly meshed and connected with the first gear (2303) are respectively arranged at two sides of the fixing block (2302);
the utility model discloses a chain drive device for a bicycle, including fixed block (23), fixed block (32), fixed block (23) both sides are provided with a locking groove (2304) respectively, be provided with on fixed block (32) with the corresponding butt joint groove of fixed block (23), the both sides in butt joint groove are provided with a second spout (3202) respectively, be provided with a gliding locking piece (3201) respectively in second spout (3202), be provided with a third threaded rod (3203) that rotates in fixed block (32) respectively in second spout (3202), be provided with the screw hole that is connected with corresponding meshing of third threaded rod (3203) on locking piece (3201) respectively, the tip of third threaded rod (3203) is provided with a first sprocket (3204) respectively, be provided with a second pivot (3206) of second motor (3208) drive in fixed block (32), the both ends of second pivot (3206) are provided with a second sprocket (3207) respectively, corresponding through a chain (3205) between first sprocket (3204) and second sprocket (3207) respectively.
3. The novel hoisting device according to claim 1, wherein: a first rotating shaft (3103) driven by a second motor (3105) is arranged in the control hanging beam (3), a plurality of rotating control rotating shafts (3102) are arranged on the control hanging beam (3), a first bevel gear (3104) which is correspondingly meshed and connected is arranged on one end of the control rotating shaft (3102) and the first rotating shaft (3103) respectively, a first positioning mechanism (3101) which stretches and slides is arranged on two sides of the locking positioning block (31) respectively, a fixing groove (1101) which corresponds to the locking positioning block (31) is arranged on the transverse fixing frame (11), a clamping groove which corresponds to the first positioning mechanism (3101) is arranged on two sides of the fixing groove (1101), a supporting sliding hole (3109) which supports the first positioning mechanism (3101) to slide is arranged on the locking positioning block (31), a supporting frame (3111) which supports the first positioning mechanism (3111) to slide is also arranged in the supporting sliding hole (3109), and a first positioning spring (3110) is arranged on the supporting frame (3111);
a sliding jacking mechanism (3106) is arranged in the locking positioning block (31), the end part of the jacking mechanism (3106) is in a conical shape, the jacking mechanism (3106) is jacked on the first positioning mechanism (3101), a first threaded hole (3108) is formed in the jacking mechanism (3106), and a threaded hole which is in corresponding meshed connection with the first threaded hole (3108) is formed in the end part of the control rotating shaft (3102).
4. The novel hoisting device according to claim 1, wherein: four corners of the control hanging beam (3) are respectively provided with a positioning shaft (33), and the single-beam crane (2) is provided with positioning holes (2002) corresponding to the positioning shafts (33).
CN202310313422.3A 2023-03-28 2023-03-28 Novel hoisting device Withdrawn CN116332051A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310313422.3A CN116332051A (en) 2023-03-28 2023-03-28 Novel hoisting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310313422.3A CN116332051A (en) 2023-03-28 2023-03-28 Novel hoisting device

Publications (1)

Publication Number Publication Date
CN116332051A true CN116332051A (en) 2023-06-27

Family

ID=86892631

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310313422.3A Withdrawn CN116332051A (en) 2023-03-28 2023-03-28 Novel hoisting device

Country Status (1)

Country Link
CN (1) CN116332051A (en)

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Application publication date: 20230627

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