CN116495613B - Hoist for mine hoisting accessory - Google Patents

Hoist for mine hoisting accessory Download PDF

Info

Publication number
CN116495613B
CN116495613B CN202310752408.3A CN202310752408A CN116495613B CN 116495613 B CN116495613 B CN 116495613B CN 202310752408 A CN202310752408 A CN 202310752408A CN 116495613 B CN116495613 B CN 116495613B
Authority
CN
China
Prior art keywords
plate
toothed
fixedly connected
cavity
clamping
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.)
Active
Application number
CN202310752408.3A
Other languages
Chinese (zh)
Other versions
CN116495613A (en
Inventor
陈海杰
姚佳男
韩玉杰
韩松豪
倪开放
孙亚飞
何志飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Keyu Mining Hoisting Machinery Co ltd
Original Assignee
Henan Keyu Mining Hoisting Machinery Co ltd
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 Henan Keyu Mining Hoisting Machinery Co ltd filed Critical Henan Keyu Mining Hoisting Machinery Co ltd
Priority to CN202310752408.3A priority Critical patent/CN116495613B/en
Publication of CN116495613A publication Critical patent/CN116495613A/en
Application granted granted Critical
Publication of CN116495613B publication Critical patent/CN116495613B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/28Duplicate, e.g. pivoted, members engaging the loads from two sides
    • B66C1/30Duplicate, e.g. pivoted, members engaging the loads from two sides and also arranged to grip the sides of the loads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00Safety gear
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B50/00Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The invention belongs to the technical field of cranes, in particular to a lifting appliance for a mine lifting device, which comprises a machine body and a lifting appliance; the lifting appliance lifts by the machine body; the lifting appliance comprises a circular disc; a first cavity is formed in the circular disc; the bottom of the first cavity is rotationally connected with a group of tooth columns which are uniformly distributed on the bottom of the first cavity; the middle part of the top end of the first cavity is rotationally connected with a first rotating shaft, and the outer side wall of the first rotating shaft is fixedly connected with a first toothed ring; the middle part of the bottom end of the first cavity is rotationally connected with a second rotating shaft, and the outer side wall of the second rotating shaft is fixedly connected with a second toothed ring; the outer side walls of the first toothed ring and the second toothed ring are provided with a quarter toothed belt and a quarter non-toothed belt, and the toothed belts and the non-toothed belts are distributed in a staggered manner; the method solves the problems that when irregular objects such as boulders and the like are bound by people, the irregular objects can be lifted, the operation is complex, and the irregular objects are not suitable for emergency accidents.

Description

Hoist for mine hoisting accessory
Technical Field
The invention belongs to the technical field of cranes, and particularly relates to a lifting appliance for a mine lifting device.
Background
The mine comprises coal mine, metal ore, nonmetallic ore, building material ore, chemical ore and the like, in the mine production process, the mining operation is the production link which consumes the most manpower and material resources and occupies the most funds and the maximum potential of reducing the mining cost, and meanwhile, in the mining process, the mining operation is difficult to generate emergency accidents such as collapse and the like due to improper mining.
In the prior art, after an emergency accident occurs on an ore, a crane is required to hoist some emergency rescue equipment, and meanwhile, a lifting appliance of the crane can also be utilized to hoist covering weights caused by the emergency accident on some ore, but the lifting appliance of the existing crane is too single, the lifting appliance can only hoist some single regular objects, and the crane can hoist irregular objects such as boulders and the like which are required to be bundled by people and then can be used under the emergency accident, so that the crane is complex in operation and not applicable to emergency accident.
Therefore, the invention provides a lifting appliance for a mine lifting device.
Disclosure of Invention
In order to make up the defects of the prior art, after an emergency occurs on an ore, a crane is needed to hoist some emergency rescue equipment, and meanwhile, a lifting appliance of the crane can be utilized to hoist covering weights caused by the emergency on some ore, but the lifting appliance of the existing crane is too single, the lifting appliance can only hoist some single regular objects, and the problems that irregular objects such as boulders and the like need to be bundled by people and then can be lifted are solved, the operation is complex, and the crane is not applicable to the use under the emergency.
The technical scheme adopted for solving the technical problems is as follows: the lifting appliance for the mine lifting device comprises a machine body and a lifting appliance; the lifting appliance lifts by the machine body; the lifting appliance comprises a circular disc; a first cavity is formed in the circular disc; the bottom of the first cavity is rotationally connected with a group of tooth columns which are uniformly distributed on the bottom of the first cavity; the middle part of the top end of the first cavity is rotationally connected with a first rotating shaft, and the outer side wall of the first rotating shaft is fixedly connected with a first toothed ring; the middle part of the bottom end of the first cavity is rotationally connected with a second rotating shaft, and the outer side wall of the second rotating shaft is fixedly connected with a second toothed ring; the outer side walls of the first toothed ring and the second toothed ring are provided with a quarter toothed belt and a quarter non-toothed belt, and the toothed belts and the non-toothed belts are distributed in a staggered manner; toothed belts between the first toothed ring and the second toothed ring are in staggered correspondence, and the toothed belts of the first toothed ring and the second toothed ring are meshed with corresponding toothed columns; the first toothed ring and the second toothed ring do opposite movement through a transmission piece; the bottom ends of the tooth columns extend out of the circular disc and are fixedly connected with fixing blocks; a fixed arm is fixedly connected to the side wall of the fixed block, and a clamping piece is arranged at the end part of the fixed arm; the top end of the circular disc is fixedly connected with a fixing seat through a connecting column; in the prior art, after an emergency accident occurs on a mine, a crane is needed to hoist some emergency rescue equipment, meanwhile, a lifting appliance of the crane can be used for hoisting covering weights on the mine caused by the emergency accident, but the lifting appliance of the existing crane is too single, only can hoist some single regular objects, and the crane is complex in operation and is not applicable to emergency accidents when people need to bind the irregular objects such as boulders and the like and then can hoist the irregular objects, so that the invention can connect a hanger of a machine body with a fixed seat, hoist the whole fixed seat, cover a round disc above the irregular objects at the moment when the irregular objects are hoisted, then directly put the round disc into the round disc, and cover and clamp the irregular objects by using a clamping piece on a fixed arm, meanwhile, when an irregular object is clamped, the irregular object is convex and concave, and the optimal clamping angle of the irregular object is required to be adjusted, so that the first toothed ring and the second toothed ring are driven to rotate oppositely through the transmission part, toothed belts of the first toothed ring and the second toothed ring are meshed with toothed columns, the toothed columns are driven to rotate, fixing arms on the toothed columns are driven to adjust at 0-90 degrees, the angles between adjacent fixing arms can be adjusted at 0-180 degrees, the clamping positions of the irregular object are adjusted, the optimal clamping positions can be ensured, secondary emergency accidents caused by secondary dropping are avoided, and meanwhile, when the regular object such as a square column or a square plate is clamped, adjacent fixing arms can rotate to 0-180 degrees, and further the fixing arms can clamp the square column and the square plate, furthermore, the lifting appliance of the crane can clamp irregular objects such as boulders and the like or regular objects such as square columns or square plates and the like at the same time, can be switched at any time, is convenient for lifting and treating covers such as collapse and the like in emergency accidents, does not need to replace different lifting appliances for treating different objects for multiple times, can greatly accelerate the lifting efficiency, and can be better suitable for treating emergency accidents in mines.
Preferably, the transmission member includes a first annular rack; the bottom end of the first toothed ring is fixedly connected with a first annular rack; a second annular rack is fixedly connected to the top end of the second toothed ring; the top end of the first cavity is rotationally connected with a first gear through an L-shaped column; the first gear is positioned between the first annular rack and the second annular rack, and the first gear is meshed with the first annular rack and the second annular rack respectively; the middle part of the top end of the circular disc is fixedly connected with a first motor, and the output end of the first motor is connected with a first rotating shaft; when the angle of the fixed arm needs to be adjusted, the first motor is started at the moment, the output end of the first motor drives the first rotating shaft to rotate, the first rotating shaft rotates to drive the first toothed ring to rotate, meanwhile, the first toothed ring rotates to enable the second toothed ring to rotate reversely through the first annular rack, the first gear and the second annular rack, the second toothed ring rotates at the same time, the rotating angles are the same, meanwhile, the first toothed ring and the second toothed ring drive diagonal toothed columns to rotate reversely, the first toothed ring and the second toothed ring rotate reversely, the toothed columns at two diagonal positions are driven to rotate reversely, and then the fixed arm between adjacent fixed arms can be adjusted from 0-180 degrees.
Preferably, the clamping member includes a fixing plate; a fixing plate is fixedly connected to the end part of the fixing arm; the side wall of the fixed plate is fixedly connected with a pair of first connecting plates, a hydraulic cylinder is arranged between the pair of first connecting plates, and the outer side wall of the hydraulic cylinder is rotationally connected to the first connecting plates through a rotating shaft; the fixed plate is fixedly connected with a pair of second connecting plates, and a clamping plate is rotatably connected between the pair of second connecting plates through a rotating shaft; the clamping plate is spoon-shaped; the side wall of the clamping plate is provided with a first groove, and a rotating column is connected in a rotating manner in the first groove; one end of a hydraulic rod in the hydraulic cylinder is fixedly connected to the rotating column; during operation, the grip block is spoon shape setting, and the grip block can carry out arc centre gripping through the hydraulic stem of pneumatic cylinder, can more conveniently carry out the centre gripping to irregular object, also can further be suitable for the irregular object of different width, and it is fixed to press to utilize the pneumatic cylinder simultaneously, can further guarantee clamping force, avoids in the centre gripping to mid-air, because of the unstable circumstances that breaks away from that appears of centre gripping.
Preferably, a group of fixed cylinders are fixedly connected on the concave outer side wall of the clamping plate; a sliding plate is fixedly connected to the inner wall of one end of the fixed cylinder, which is far away from the clamping plate, through a spring; a push rod is fixedly connected to the sliding plate, and one end of the push rod penetrates through the fixed cylinder and the clamping plate and is positioned in the spoon shape of the clamping plate; during operation, when the irregular object is clamped, the ejector rod can jack up the surface of the irregular object at the moment, the clamping stability of the irregular object can be further improved, meanwhile, when the square regular object is clamped, the square regular object with different thickness is clamped, the adjacent fixed arms are in the state of 0 degrees or 180 degrees, the situation that the square regular object is unstable in clamping can occur, the group of ejector rods is utilized, when the square regular object is clamped by the clamping plate, a part of the ejector rods can be extruded at the moment, but the ejector rods above the square regular object can play a limiting role, the stabilizing effect on the square regular object can be achieved, and the situation that the square regular object is lifted and toppled can be effectively avoided.
Preferably, adjacent fixed barrels in the group of fixed barrels are communicated with each other through a communicating pipe; the sliding plate is connected to the inner wall of the fixed cylinder in a sealing and sliding manner; during operation, in order to guarantee the top of irregular object and move stable power, so with slide seal sliding connection, communicate each other through communicating pipe between the fixed section of thick bamboo simultaneously, when receiving irregular object to move through the ejector pin when pushing up this moment, can be through gaseous flow when pushing up the unsmooth surface of irregular object, let a set of ejector pin can push up the concave convex department of moving irregular object completely, and then guarantee the top dynamic balance state this moment, further guarantee stability, also make things convenient for spacing fixed processing of square regular object simultaneously.
Preferably, the center of the bottom end of the circular plate is fixedly connected with a lower pressing plate through a spring; during operation, utilize the holding down plate can be spacing to the top of irregular object, can avoid the top unsettled, at lifting irregular object ability, utilize the spring down force of holding down plate, can avoid the unstable condition of top, also avoid appearing the condition of top and bottom jolting.
Preferably, a pair of symmetrically distributed second cavities are formed in the fixing plate; the top end of the second cavity is connected with a first toothed plate in a sliding manner, the bottom end of the second cavity is connected with a second toothed plate in a sliding manner, and a second gear is rotationally connected to the inner wall of the second cavity; the second gear is positioned between the first toothed plate and the second toothed plate, and the second gear is respectively meshed with the first toothed plate and the second toothed plate; the second toothed plate side wall is fixedly connected to the second cavity side wall through a spring; one end of the first toothed plate penetrates through the side wall of the fixed plate, which is close to the clamping plate, and is in contact with the side wall of the clamping plate; one end of the second toothed plate penetrates through the side wall of the fixed plate, which is close to the lower pressing plate; a group of clamping grooves are formed in the side wall of the lower pressing plate; the lower pressing plate is pulled by a pulling piece; a first inclined plane is formed at the bottom end of the second toothed plate; during operation, when covering the irregular object downwards, the holding plate still does not centre gripping irregular object this moment, the holding down plate can go into the screens inslot through the second pinion rack card and carry out spacing processing this moment, after the holding plate passes through the hydraulic rod arc in the pneumatic cylinder and promotes and reach vertical state, the irregular object has been carried out the clamping state by the holding plate this moment, behind the spoon handle trend vertical state of holding plate, can promote first pinion rack and remove this moment, and then let the second pinion rack break away from the spacing groove through second gear and second pinion rack, let the holding down plate move down under the spring force effect, cover spacing processing to the object that is higher than a set of ejector pin, can be suitable for the object of different height.
Preferably, the pulling member comprises a second cavity; a third cavity is formed in the fixing plate; the third cavity is rotationally connected with symmetrically distributed guide wheels; an annular groove is formed in the top end of the lower pressing plate, and the cross section of the annular groove is in an inverted T shape; the annular groove is internally and slidably connected with an inverted T-shaped block; the inverted T-shaped blocks and the clamping plates are connected with each other through steel wire ropes, the middle parts of the steel wire ropes are positioned in the third cavity, and the steel wire ropes are guided through guide wheels; during operation, when carrying out the centre gripping to the object, the grip block can be in the inclined state earlier this moment, then through the adjustment of hydraulic stem, let the grip block carry out the arc motion, and then conveniently carry out the centre gripping to the object, simultaneously, when the grip block is in the state of opening, can carry out upward pulling processing with the holding down plate through wire rope, then when a take the altitude, let the second pinion rack card go into the screens inslot, accomplish the spacing to the holding down plate, conveniently carry out follow-up centre gripping operation, when carrying out the centre gripping to regular square board, the holding down plate is in the state of pushing down this moment, when square regular body is not higher than the ejector pin, can carry out spacingly through the ejector pin, when a set of ejector pin of altitude, can push down spacing processing to the holding down plate, guarantee the stability to the pushing down of object.
Preferably, the bottom end of the lower pressing plate is provided with a second groove; the bottom of the second groove is fixedly connected with a cover plate through a spring; during operation, when handling irregular object, general top is the highest end promptly, when the holding down plate pushes down, upwards jack-up the apron, and then conveniently say the object top of second recess cover part, and then carry out spacing processing, and then when rocking appears, also can utilize the spacing assurance of second recess to object top can not empty or the condition of falling down.
Preferably, the second groove is circular; the cover plate is composed of a group of clamping plates, and the lengths of the clamping plates away from the center surface of the second groove are sequentially shortened; during operation, the apron sets up through a set of screens board, stretches into in the second recess on object top, can carry out local spacing by a set of screens board and handle, can effectively avoid the object to appear rocking the condition.
The beneficial effects of the invention are as follows:
1. according to the lifting appliance for the mine lifting device, the toothed belts of the first toothed ring and the second toothed ring are meshed with the toothed columns, so that the toothed columns are driven to rotate, the fixed arms on the toothed columns are driven to adjust at 0-90 degrees, meanwhile, the angles between the adjacent fixed arms can be adjusted to adjust at 0-180 degrees, the clamping positions of irregular objects are adjusted, the optimal clamping positions can be guaranteed, secondary emergency accidents caused by secondary falling can be avoided, meanwhile, when regular objects such as square columns or square plates and the like are subjected to clamping treatment, the adjacent fixed arms can be rotated to 0-180 degrees, further, the fixed arms can clamp the square columns or the square plates, further, the lifting appliance of the crane can simultaneously clamp irregular objects such as boulders or regular objects such as square columns or square plates and the like, switching treatment can be carried out at any time, the emergency accidents such as collapse covers are conveniently handled without replacing different objects, lifting appliance handling efficiency is greatly accelerated, and the lifting appliance can be better applied to mine emergency accidents.
2. According to the lifting appliance for the mine lifting device, the sliding plates are connected in a sealing and sliding mode, meanwhile, the fixed cylinders are mutually communicated through the communicating pipes, when an irregular object is jacked through the ejector rods, the concave-convex surfaces of the irregular object can be jacked at the moment, a group of the ejector rods can be enabled to completely jack the concave-convex positions of the irregular object through the flow of gas, the jacking balance state at the moment is further guaranteed, the stability is further guaranteed, and meanwhile limit fixing treatment is also convenient for the square regular object.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention;
FIG. 3 is a partial cross-sectional view of a fixation plate;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
FIG. 5 is an enlarged view of a portion of FIG. 2 at B;
FIG. 6 is an enlarged view of a portion of FIG. 2 at C;
FIG. 7 is a partial perspective view of the present invention;
FIG. 8 is a perspective view of the transmission member;
FIG. 9 is a perspective view of the clip;
FIG. 10 is a bottom view of the present invention;
in the figure: 1. a lifting appliance; 11. a circular disc; 12. a first cavity; 13. tooth columns; 14. a first toothed ring; 15. a second toothed ring; 16. a first rotation shaft; 17. a second rotation shaft; 18. a fixed block; 19. a fixed arm; 2. a fixing seat; 21. a connecting column; 22. a first annular rack; 23. a second annular rack; 24. a first gear; 25. an L-shaped column; 26. a first motor; 3. a fixing plate; 31. a first connection plate; 32. a hydraulic cylinder; 33. a hydraulic rod; 34. a clamping plate; 35. a first groove; 36. rotating the column; 37. a fixed cylinder; 38. a slide plate; 39. a push rod; 391. a communicating pipe; 4. a lower pressing plate; 41. a clamping groove; 42. a second cavity; 43. a second gear; 44. a first toothed plate; 45. a second toothed plate; 46. a first inclined surface; 461. a third cavity; 47. a guide wheel; 48. a wire rope; 49. an annular groove; 491. an inverted T-shaped block; 5. a second groove; 51. a cover plate; 52. and a clamping plate.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 10, a lifting appliance for a mine lifting device according to an embodiment of the present invention includes a machine body and a lifting appliance 1; the lifting appliance 1 performs lifting through a machine body; the spreader 1 comprises a circular disc 11; a first cavity 12 is formed in the circular disc 11; a group of tooth columns 13 are rotatably connected to the bottom of the first cavity 12, and the group of tooth columns 13 are uniformly distributed on the bottom of the first cavity 12; the middle part of the top end of the first cavity 12 is rotationally connected with a first rotating shaft 16, and the outer side wall of the first rotating shaft 16 is fixedly connected with a first toothed ring 14; the middle part of the bottom end of the first cavity 12 is rotationally connected with a second rotating shaft 17, and the outer side wall of the second rotating shaft 17 is fixedly connected with a second toothed ring 15; the outer side walls of the first toothed ring 14 and the second toothed ring 15 are provided with a quarter toothed belt and a quarter non-toothed belt, and the toothed belts and the non-toothed belts are distributed in a staggered manner; toothed belts between the first toothed ring 14 and the second toothed ring 15 are in staggered correspondence, and the toothed belts of the first toothed ring 14 and the second toothed ring 15 are meshed with the corresponding toothed columns 13; the first toothed ring 14 and the second toothed ring 15 do opposite movements through a transmission piece; the bottom ends of the tooth columns 13 extend out of the circular disc 11 and are fixedly connected with fixing blocks 18; a fixed arm 19 is fixedly connected to the side wall of the fixed block 18, and a clamping piece is arranged at the end part of the fixed arm 19; the top end of the circular disc 11 is fixedly connected with a fixed seat 2 through a connecting column 21; in the prior art, after an emergency happens on a mine, a crane is needed to lift in some emergency rescue equipment, meanwhile, a lifting appliance 1 of the crane can be utilized to lift out covering heavy objects caused by the emergency on some mine, but the lifting appliance 1 of the existing crane is too single, only one single regular object can be lifted up by the lifting appliance 1, people are needed to bind up the irregular object such as a boulder and then can lift up the lifting process, the operation is complicated, the emergency is not applicable, so the emergency lifting device is used under the emergency, the hanger of the machine body and the fixed seat 2 are connected with each other, then the whole fixed seat 2 is lifted up, when the irregular object is lifted out, the circular disc 11 is covered above the irregular object at the moment, then the circular disc is directly put in, the irregular object is clamped by the clamping piece on the fixed arm 19, meanwhile, when the irregular object is clamped, the irregular object is convexly and concavely, the optimal proper clamping angle of the object is needed to be adjusted, therefore, the first toothed ring 14 and the second toothed ring 15 are driven by the driving piece to rotate at the same time, the second toothed ring 15 is not applicable to the opposite rotation, the adjacent toothed ring is driven by the driving piece, the first toothed ring 14 and the second toothed ring 15 is driven by the second toothed ring to rotate by 180 degrees, the adjacent toothed column is driven by the optimal toothed column 13 degrees, the position is adjusted by the angle between the adjacent toothed column and the fixed column is 180 degrees, the adjacent to the annular column is adjusted by the position of the annular column, the adjacent toothed column is 13, the annular column is adjusted by the adjacent to the toothed column is adjusted by the toothed column, the adjacent toothed column 15, the toothed column is 13, the adjacent to the toothed by the toothed column, and the adjacent toothed by the toothed column, the adjacent toothed column, and the two is 15, and the two is 13, when the two, furthermore, the fixing arm 19 can clamp the square column and the square plate, so that the lifting appliance 1 of the crane can clamp irregular objects such as boulders or regular objects such as square columns or square plates at the same time, can switch at any time, can conveniently lift and handle covers such as collapse and the like in emergency accidents, does not need to replace different lifting appliances 1 for processing different objects for multiple times, can greatly accelerate lifting efficiency, and can be better suitable for processing emergency accidents in mines.
The transmission comprises a first annular rack 22; the bottom end of the first toothed ring 14 is fixedly connected with a first annular rack 22; the top end of the second toothed ring 15 is fixedly connected with a second annular rack 23; the top end of the first cavity 12 is rotatably connected with a first gear 24 through an L-shaped column 25; the first gear 24 is positioned between the first annular rack 22 and the second annular rack 23, and the first gear 24 is meshed with the first annular rack 22 and the second annular rack 23 respectively; the middle part of the top end of the circular disc 11 is fixedly connected with a first motor 26, and the output end of the first motor 26 is connected with a first rotating shaft 16; when the angle of the fixed arm 19 needs to be adjusted, the first motor 26 is started at the moment, the output end of the first motor 26 drives the first rotating shaft 16 to rotate, the first rotating shaft 16 rotates to drive the first toothed ring 14 to rotate, meanwhile, the first toothed ring 14 rotates to enable the second toothed ring 15 to rotate oppositely through the first annular rack 22, the first gear 24 and the second annular rack 23, the rotation angles are the same, meanwhile, the first toothed ring 14 and the second toothed ring 15 drive the diagonal toothed columns 13 to rotate identically, the first toothed ring 14 and the second toothed ring 15 rotate oppositely, further, the toothed columns 13 at two diagonal positions are driven to rotate oppositely, and then the fixed arm 19 between adjacent positions can be adjusted from 0-180 degrees.
The clamping piece comprises a fixed plate 3; the end part of the fixed arm 19 is fixedly connected with a fixed plate 3; the side wall of the fixed plate 3 is fixedly connected with a pair of first connecting plates 31, a hydraulic cylinder 32 is arranged between the pair of first connecting plates 31, and the outer side wall of the hydraulic cylinder 32 is rotationally connected to the first connecting plates 31 through a rotating shaft; the fixed plate 3 is fixedly connected with a pair of second connecting plates, and a clamping plate 34 is rotatably connected between the pair of second connecting plates through a rotating shaft; the clamping plate 34 is spoon-shaped; a first groove 35 is formed in the side wall of the clamping plate 34, and a rotating column 36 is connected to the first groove 35 in a rotating manner; one end of a hydraulic rod 33 in the hydraulic cylinder 32 is fixedly connected to a rotating column 36; during operation, the grip block 34 is spoon-shaped setting, and the grip block 34 can carry out arc centre gripping through the hydraulic stem 33 of pneumatic cylinder 32, can more conveniently carry out the centre gripping to irregular object, also can further be suitable for the irregular object of different width, and is simultaneously to utilize pneumatic cylinder 32 to press to hold fixedly, can further guarantee clamping force, avoids at centre gripping to the mid-air, because of the unstable circumstances that breaks away from that appears of centre gripping.
A group of fixed cylinders 37 are fixedly connected to the concave outer side walls of the clamping plates 34; a sliding plate 38 is fixedly connected on the inner wall of one end of the fixed cylinder 37, which is far away from the clamping plate 34, through a spring; a push rod 39 is fixedly connected to the sliding plate 38, and one end of the push rod 39 penetrates through the fixed cylinder 37 and the clamping plate 34 and is positioned in the spoon shape of the clamping plate 34; during operation, when the irregular object is clamped, the ejector rod 39 can jack up the surface of the irregular object, the clamping stability of the irregular object can be further improved, meanwhile, when the square regular object is clamped, the square regular object with different thickness is clamped, the adjacent fixed arms 19 are in the state of 0 degrees or 180 degrees, the situation that the square regular object is unstable in clamping can occur, the group of ejector rods 39 is utilized, when the square regular object is clamped by the clamping plate 34, a part of the ejector rods 39 can be extruded, but the ejector rods 39 positioned above the square regular object can play a role in stabilizing the square regular object, and the situation that the square regular object is lifted and overturned can be effectively avoided.
Adjacent fixed cylinders 37 in a group of fixed cylinders 37 are communicated with each other through a communicating pipe 391; the sliding plate 38 is connected to the inner wall of the fixed cylinder 37 in a sealing and sliding manner; in order to guarantee the jacking stabilization force to the irregular object, the sliding plate 38 is in sealed sliding connection, meanwhile, the fixed cylinders 37 are mutually communicated through the communicating pipes 391, when the irregular object is jacked through the ejector rods 39, the concave-convex surfaces of the irregular object can be jacked at the moment, the concave-convex parts of the irregular object can be jacked completely through the flow of gas, the jacking balance state at the moment is further guaranteed, the stability is further guaranteed, and meanwhile, the limiting and fixing treatment on the square regular object is also facilitated.
The center of the bottom end of the circular disc 11 is fixedly connected with a lower pressing plate 4 through a spring; during operation, utilize holding down plate 4 can be spacing to the top of irregular object, can avoid the top unsettled, at lifting irregular object ability, utilize the spring holding down force of holding down plate 4, can avoid the unstable condition of top, also avoid appearing the condition of top and bottom jolting.
A second cavity 42 which is symmetrically distributed is formed in the fixed plate 3; the top end of the second cavity 42 is slidably connected with a first toothed plate 44, the bottom end of the second cavity 42 is slidably connected with a second toothed plate 45, and the inner wall of the second cavity 42 is rotatably connected with a second gear 43; the second gear 43 is positioned between the first toothed plate 44 and the second toothed plate 45, and the second gear 43 is meshed with the first toothed plate 44 and the second toothed plate 45 respectively; the side wall of the second toothed plate 45 is fixedly connected to the side wall of the second cavity 42 through a spring; one end of the first toothed plate 44 penetrates through the side wall of the fixed plate 3, which is close to the clamping plate 34, and is in contact with the side wall of the clamping plate 34; one end of the second toothed plate 45 penetrates through the side wall of the fixed plate 3, which is close to the lower pressing plate 4; a group of clamping grooves 41 are formed in the side wall of the lower pressing plate 4; the lower pressing plate 4 is pulled by a pulling piece; a first inclined plane 46 is formed at the bottom end of the second toothed plate 45; during operation, when an irregular object is covered downwards, and the clamping plate 34 does not clamp the irregular object, the lower pressing plate 4 is clamped into the clamping groove 41 through the second toothed plate 45 to carry out limit processing, after the clamping plate 34 is pushed to reach a vertical state through the arc of the hydraulic rod 33 in the hydraulic cylinder 32, the irregular object is clamped by the clamping plate 34, after the spoon handle of the clamping plate 34 tends to be in the vertical state, the first toothed plate 44 is pushed to move, and then the second toothed plate 45 is separated from the limit groove through the second gear 43 and the second toothed plate 45, so that the lower pressing plate 4 moves under the action of spring force to carry out cover limit processing on objects with heights higher than a group of ejector rods 39, and the device can be suitable for objects with different heights.
The pulling member comprises a second cavity 42; a third cavity 461 is formed in the fixed plate 3; the third cavity 461 is rotatably connected with symmetrically distributed guide wheels 47; an annular groove 49 is formed in the top end of the lower pressing plate 4, and the section of the annular groove 49 is in an inverted T shape; the annular groove 49 is slidably connected to the inverted T-shaped block 491; the inverted T-shaped block 491 and the clamping plate 34 are connected with each other through a steel wire rope 48, and the middle part of the steel wire rope 48 is positioned in a third cavity 461 and is guided by a guide wheel 47; during operation, when carrying out the centre gripping to the object, grip block 34 can be in the inclined state at this moment earlier, then through the adjustment of hydraulic stem 33, let grip block 34 carry out the arc motion, and then conveniently carry out the centre gripping to the object, simultaneously, when grip block 34 is in the open state, can carry out upwards pulling processing with holding down plate 4 through wire rope 48, then when a certain height, let second pinion rack 45 card go into screens inslot 41, accomplish the spacing to holding down plate 4, conveniently carry out follow-up clamping operation, when carrying out the centre gripping to regular square board, holding down plate 4 is in the state of pushing down this moment, when square regular body is not higher than ejector pin 39, can carry out spacing through ejector pin 39, when a set of ejector pin 39 of height, can push down spacing processing to holding down plate 4, guarantee the stability of pushing down to the object.
The bottom end of the lower pressing plate 4 is provided with a second groove 5; the bottom of the second groove 5 is fixedly connected with a cover plate 51 through a spring; during operation, when handling irregular object, general top is the highest, when holding down plate 4 pushes down, upwards jack-up apron 51, and then conveniently say second recess 5 cover partial object top, and then carry out spacing processing, and then when rocking appears, also can utilize the spacing assurance of second recess 5 to object top can not empty or the condition of falling down.
The second groove 5 is round; the cover plate 51 is composed of a group of clamping plates 52, and the lengths of the group of clamping plates 52 far away from the center surface of the second groove 5 are sequentially shortened; during operation, the cover plate 51 is arranged through the set of clamping plates 52, and extends into the second groove 5 at the top end of the object, and the local limiting treatment can be performed by the set of clamping plates 52, so that the shaking condition of the object can be effectively avoided.
Working principle: the hook of the machine body is connected with the fixed seat 2, then the whole fixed seat 2 is hoisted, when an irregular object is hoisted out, at the moment, the circular disc 11 is covered above the irregular object and then is directly put in, the irregular object can be covered and clamped by the clamping piece on the fixed arm 19, meanwhile, when the irregular object is clamped, the optimal clamping angle of the object needs to be adjusted because the irregular object is convex and concave, the first toothed ring 14 and the second toothed ring 15 are driven to simultaneously rotate oppositely by the transmission piece, the toothed belts of the first toothed ring 14 and the second toothed ring 15 are meshed with the toothed column 13, the toothed column 13 is driven to rotate, the fixed arm 19 on the toothed column 13 is driven to be adjusted between 0-90 degrees, and meanwhile, the angle between the adjacent fixed arms 19 can be adjusted, the clamping position of the irregular object can be adjusted between 0 and 180 degrees, the optimal clamping position can be ensured, secondary emergency caused by secondary falling is avoided, meanwhile, the adjacent fixing arms 19 can be rotated to 0 degrees or 180 degrees for regular objects such as square columns or square plates and the like, the fixing arms 19 can further clamp the square columns and the square plates, the lifting appliance 1 of the crane can further clamp the irregular objects such as boulders and the like or the regular objects such as the square columns or the square plates and the like at the same time, switching treatment can be performed at any time, emergency accidents such as slump and the like can be conveniently lifted, different objects do not need to be replaced for a plurality of times, lifting efficiency can be greatly improved, and the lifting appliance 1 can be better suitable for emergency treatment in mines; when the angle of the fixed arm 19 needs to be adjusted, the first motor 26 is started at this moment, the output end of the first motor 26 drives the first rotating shaft 16 to rotate, the first rotating shaft 16 rotates to drive the first toothed ring 14 to rotate, meanwhile, the first toothed ring 14 rotates to enable the second toothed ring 15 to rotate oppositely through the first annular rack 22, the first gear 24 and the second annular rack 23, the rotation angles are the same, meanwhile, the first toothed ring 14 and the second toothed ring 15 both drive the diagonal toothed columns 13 to rotate identically, the first toothed ring 14 and the second toothed ring 15 rotate oppositely, and further drive the toothed columns 13 at two diagonal positions to rotate oppositely, and further enable the fixed arm 19 between adjacent positions to adjust from 0 degrees to 180 degrees; when an irregular object is clamped, the ejector rod 39 can jack up the surface of the irregular object, so that the clamping stability of the irregular object can be further improved, meanwhile, when square regular objects with different thicknesses are clamped, the adjacent fixed arms 19 are in a state of 0 degrees or 180 degrees, the situation that the square regular objects are unstable in clamping can occur, and a group of ejector rods 39 are utilized, and the clamping plate 34 is a horizontally moving extrusion part, so that a part of the ejector rods 39 can be extruded, but the ejector rods 39 positioned above the square regular objects can play a limiting role, play a stabilizing role on the square regular objects, and effectively avoid the situation that the square regular objects are lifted and toppled; when an irregular object is covered downwards, and the clamping plate 34 does not clamp the irregular object, the lower pressing plate 4 is clamped into the clamping groove 41 through the second toothed plate 45 to carry out limit treatment, after the clamping plate 34 is pushed to a vertical state through the arc of the hydraulic rod 33 in the hydraulic cylinder 32, the irregular object is clamped by the clamping plate 34, after the spoon handle of the clamping plate 34 is in a vertical state, the first toothed plate 44 is pushed to move, the second toothed plate 45 is separated from the limit groove through the second gear 43 and the second toothed plate 45, the lower pressing plate 4 moves downwards under the action of spring force, and objects with heights higher than a group of ejector rods 39 are covered and limited, so that the device is applicable to objects with different heights; when carrying out the centre gripping to the object, grip block 34 can be in the inclined state earlier this moment, then let grip block 34 carry out the arc motion through the adjustment of hydraulic stem 33, and then conveniently carry out the centre gripping to the object, simultaneously, when grip block 34 is in the open state, can carry out upward pulling processing with holding down plate 4 through wire rope 48, then when a take the altitude, let second pinion rack 45 card go into in clamping groove 41, accomplish the spacing to holding down plate 4, conveniently carry out follow-up being in, simultaneously when carrying out the centre gripping to regular square board, holding down plate 4 is in the state of pushing down this moment, when square regular body is not higher than ejector pin 39, can carry out spacing through ejector pin 39, when a set of ejector pin 39 of altitude, can carry out spacing processing of pushing down to holding down plate 4, guarantee the stability of pushing down to the object.
The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a hoist for mine hoisting accessory which characterized in that: comprises a machine body and a lifting appliance (1); the lifting appliance (1) is lifted by the machine body; the lifting appliance (1) comprises a circular disc (11); a first cavity (12) is formed in the circular disc (11); a group of tooth columns (13) are rotationally connected to the bottom of the first cavity (12), and the group of tooth columns (13) are uniformly distributed on the bottom of the first cavity (12); the middle part of the top end of the first cavity (12) is rotationally connected with a first rotating shaft (16), and the outer side wall of the first rotating shaft (16) is fixedly connected with a first toothed ring (14); a second rotating shaft (17) is rotatably connected to the middle part of the bottom end of the first cavity (12), and a second toothed ring (15) is fixedly connected to the outer side wall of the second rotating shaft (17); the outer side walls of the first toothed ring (14) and the second toothed ring (15) are provided with a quarter toothed belt and a quarter non-toothed belt, and the toothed belts and the non-toothed belts are distributed in a staggered manner; toothed belts between the first toothed ring (14) and the second toothed ring (15) are in staggered correspondence, and the toothed belts of the first toothed ring (14) and the second toothed ring (15) are meshed with corresponding toothed columns (13) mutually; the first toothed ring (14) and the second toothed ring (15) do opposite movements through a transmission piece; the bottom end of the tooth column (13) extends out of the circular disc (11) and is fixedly connected with a fixed block (18); a fixed arm (19) is fixedly connected to the side wall of the fixed block (18), and a clamping piece is arranged at the end part of the fixed arm (19); the top end of the circular disc (11) is fixedly connected with a fixing seat (2) through a connecting column (21);
the transmission member comprises a first annular rack (22); the bottom end of the first toothed ring (14) is fixedly connected with a first annular rack (22); a second annular rack (23) is fixedly connected to the top end of the second toothed ring (15); the top end of the first cavity (12) is rotationally connected with a first gear (24) through an L-shaped column (25); the first gear (24) is positioned between the first annular rack (22) and the second annular rack (23), and the first gear (24) is respectively meshed with the first annular rack (22) and the second annular rack (23); the middle part of the top end of the circular disc (11) is fixedly connected with a first motor (26), and the output end of the first motor (26) is connected with a first rotating shaft (16) mutually;
the clamping piece comprises a fixed plate (3); a fixing plate (3) is fixedly connected to the end part of the fixing arm (19); the side wall of the fixed plate (3) is fixedly connected with a pair of first connecting plates (31), a hydraulic cylinder (32) is arranged between the pair of first connecting plates (31), and the outer side wall of the hydraulic cylinder (32) is rotationally connected to the first connecting plates (31) through a rotating shaft; the fixed plate (3) is fixedly connected with a pair of second connecting plates, and a clamping plate (34) is rotatably connected between the pair of second connecting plates through a rotating shaft; the clamping plate (34) is spoon-shaped; a first groove (35) is formed in the side wall of the clamping plate (34), and a rotating column (36) is connected to the first groove (35) in a rotating mode; one end of a hydraulic rod (33) in the hydraulic cylinder (32) is fixedly connected to the rotating column (36);
the center of the bottom end of the circular disc (11) is fixedly connected with a lower pressing plate (4) through a spring;
a second cavity (42) which is symmetrically distributed is formed in the fixed plate (3); the top end of the second cavity (42) is slidably connected with a first toothed plate (44), the bottom end of the second cavity (42) is slidably connected with a second toothed plate (45), and a second gear (43) is rotatably connected on the inner wall of the second cavity (42); the second gear (43) is positioned between the first toothed plate (44) and the second toothed plate (45), and the second gear (43) is meshed with the first toothed plate (44) and the second toothed plate (45) respectively; the side wall of the second toothed plate (45) is fixedly connected to the side wall of the second cavity (42) through a spring; one end of the first toothed plate (44) penetrates through the side wall of the fixed plate (3) close to the clamping plate (34) and is in contact with the side wall of the clamping plate (34); one end of the second toothed plate (45) penetrates through the side wall of the fixed plate (3) close to the lower pressing plate (4); a group of clamping grooves (41) are formed in the side wall of the lower pressing plate (4); the lower pressing plate (4) is pulled by a pulling piece; a first inclined plane (46) is formed at the bottom end of the second toothed plate (45);
the pulling member comprises a second cavity (42); a third cavity (461) is formed in the fixed plate (3); the third cavity (461) is rotationally connected with symmetrically distributed guide wheels (47); an annular groove (49) is formed in the top end of the lower pressing plate (4), and the cross section of the annular groove (49) is in an inverted T shape; the annular groove (49) is connected with the inverted T-shaped block (491) in a sliding way; the inverted T-shaped blocks (491) and the clamping plates (34) are connected with each other through steel wire ropes (48), and the middle parts of the steel wire ropes (48) are located in the third cavities (461) and are guided through guide wheels (47).
2. The hanger for a mine hoist according to claim 1, characterized in that: a group of fixed cylinders (37) are fixedly connected to the concave outer side wall of the clamping plate (34); a sliding plate (38) is fixedly connected to the inner wall of one end of the fixed cylinder (37) far away from the clamping plate (34) through a spring; an ejector rod (39) is fixedly connected to the sliding plate (38), and one end of the ejector rod (39) penetrates through the fixed cylinder (37) and the clamping plate (34) and is positioned in the spoon shape of the clamping plate (34).
3. The hanger for a mine hoisting device according to claim 2, wherein: adjacent fixed cylinders (37) in a group of fixed cylinders (37) are communicated with each other through a communicating pipe (391); the sliding plate (38) is connected on the inner wall of the fixed cylinder (37) in a sealing and sliding way.
4. A lifting appliance for a mine lifting apparatus as claimed in claim 3, wherein: a second groove (5) is formed in the bottom end of the lower pressing plate (4); the bottom of the second groove (5) is fixedly connected with a cover plate (51) through a spring.
5. The hanger for a mine hoist as claimed in claim 4, wherein: the second groove (5) is round; the cover plate (51) is composed of a group of clamping plates (52), and the lengths of the group of clamping plates (52) away from the center surface of the second groove (5) are sequentially shortened.
CN202310752408.3A 2023-06-26 2023-06-26 Hoist for mine hoisting accessory Active CN116495613B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310752408.3A CN116495613B (en) 2023-06-26 2023-06-26 Hoist for mine hoisting accessory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310752408.3A CN116495613B (en) 2023-06-26 2023-06-26 Hoist for mine hoisting accessory

Publications (2)

Publication Number Publication Date
CN116495613A CN116495613A (en) 2023-07-28
CN116495613B true CN116495613B (en) 2023-09-05

Family

ID=87316846

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310752408.3A Active CN116495613B (en) 2023-06-26 2023-06-26 Hoist for mine hoisting accessory

Country Status (1)

Country Link
CN (1) CN116495613B (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1390303A (en) * 1972-07-10 1975-04-09 Commissariat Energie Atomique Safety brake for a carriage conveying fuel assemblies in a nuclear reacotr
CA2103039A1 (en) * 1991-05-15 1992-11-16 Mohammad Mohsen Saadat Gripping Mechanism
CN111453609A (en) * 2020-04-24 2020-07-28 唐云 Clamping type hoisting sling of building construction crane and hoisting construction method
CN213202079U (en) * 2020-08-26 2021-05-14 广西贺州市恒泰石材有限公司 Artificial granite plate body vanning lifting appliance
CN216807805U (en) * 2021-11-29 2022-06-24 青岛安信旺精密机械有限公司 Special manipulator for crane
CN217148279U (en) * 2022-01-21 2022-08-09 青岛申通机械有限公司 Portable lifting appliance for tire mold
CN115030669A (en) * 2022-07-04 2022-09-09 建湖县恒泰石油机械有限公司 Automatic opening aligning device for opening power tongs for oil field pipe
CN115676599A (en) * 2022-12-30 2023-02-03 河南珏峻建筑装饰有限公司 Stable form lifting device for municipal building engineering
CN115818428A (en) * 2022-10-10 2023-03-21 合肥双安汽车零部件有限公司 Lifting appliance convenient to disassemble and assemble and used for machining wheel assembly
CN116119521A (en) * 2022-12-12 2023-05-16 浙江省送变电工程有限公司 Transmission pole lifts by crane installation clamping jaw
CN116281536A (en) * 2023-05-25 2023-06-23 河南省矿山起重机有限公司 Accurate positioning clamping mechanism for crane lifting appliance

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1390303A (en) * 1972-07-10 1975-04-09 Commissariat Energie Atomique Safety brake for a carriage conveying fuel assemblies in a nuclear reacotr
CA2103039A1 (en) * 1991-05-15 1992-11-16 Mohammad Mohsen Saadat Gripping Mechanism
CN111453609A (en) * 2020-04-24 2020-07-28 唐云 Clamping type hoisting sling of building construction crane and hoisting construction method
CN213202079U (en) * 2020-08-26 2021-05-14 广西贺州市恒泰石材有限公司 Artificial granite plate body vanning lifting appliance
CN216807805U (en) * 2021-11-29 2022-06-24 青岛安信旺精密机械有限公司 Special manipulator for crane
CN217148279U (en) * 2022-01-21 2022-08-09 青岛申通机械有限公司 Portable lifting appliance for tire mold
CN115030669A (en) * 2022-07-04 2022-09-09 建湖县恒泰石油机械有限公司 Automatic opening aligning device for opening power tongs for oil field pipe
CN115818428A (en) * 2022-10-10 2023-03-21 合肥双安汽车零部件有限公司 Lifting appliance convenient to disassemble and assemble and used for machining wheel assembly
CN116119521A (en) * 2022-12-12 2023-05-16 浙江省送变电工程有限公司 Transmission pole lifts by crane installation clamping jaw
CN115676599A (en) * 2022-12-30 2023-02-03 河南珏峻建筑装饰有限公司 Stable form lifting device for municipal building engineering
CN116281536A (en) * 2023-05-25 2023-06-23 河南省矿山起重机有限公司 Accurate positioning clamping mechanism for crane lifting appliance

Also Published As

Publication number Publication date
CN116495613A (en) 2023-07-28

Similar Documents

Publication Publication Date Title
CN107235411A (en) One kind is based on bridge precast beam suspender
CN108892035A (en) A kind of tubing special purpose crane
CN116495613B (en) Hoist for mine hoisting accessory
CN218619866U (en) Lifting appliance for producing guide wheels of excavator
CN204778344U (en) Oil drum anchor clamps that can overturn down and expect
CN204661132U (en) Handling is pressed from both sides
CN212769429U (en) Fast assembling and disassembling clamp for concrete electric pole
CN109019359A (en) A kind of small building lifting equipment
CN210558996U (en) Assembled building model platform double-limb column lifting appliance
CN210176308U (en) Track frog lifting appliance
CN212832369U (en) Foundry goods transportation frock
CN210029743U (en) Lifting appliance for high-rise prefabricated composite slab construction
CN211337980U (en) Material pouring box
CN114933236A (en) Explosion-proof pillar lifting hook
CN209986465U (en) A machine of shifting for upset of heavy box
CN209554653U (en) A kind of steel-smelting electric furnace special hanger
CN108217416B (en) Special lifting appliance for large steel plate
CN204823718U (en) Grab bucket of single cable wireless remote control timber
CN112062008A (en) Crane telescopic boom positioning and fixing equipment for water conservancy ships
CN213356693U (en) Automatic lifting appliance for unpowered concrete pipe
CN109205476B (en) Portal crane
CN218560825U (en) Semicircular flange lifting appliance
CN215946584U (en) Pneumatic gland ware of easy operation formula
CN220393062U (en) Electric horizontal cylinder lifting device
CN110857208A (en) Section steel overturning method and structure thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant