CN109305625B - Lifting appliance suitable for paying-off pulley - Google Patents
Lifting appliance suitable for paying-off pulley Download PDFInfo
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- CN109305625B CN109305625B CN201811484051.0A CN201811484051A CN109305625B CN 109305625 B CN109305625 B CN 109305625B CN 201811484051 A CN201811484051 A CN 201811484051A CN 109305625 B CN109305625 B CN 109305625B
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- paying
- pulley
- claw
- bearing
- cross beam
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- 210000000078 claw Anatomy 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000003068 static effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-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
- B66C1/10—Load-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
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-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
- B66C1/10—Load-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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
- B66C1/30—Duplicate, e.g. pivoted, members engaging the loads from two sides and also arranged to grip the sides of the loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-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
- B66C1/10—Load-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
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/442—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces actuated by lifting force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
Abstract
The invention discloses a lifting appliance suitable for a paying-off pulley, which comprises a cross beam, a connecting mechanism and a plurality of grasping mechanisms, wherein the cross beam is connected with the connecting mechanism; the upper end part of the cross beam is connected with external lifting equipment through the connecting mechanism; the plurality of gripping mechanisms are uniformly distributed from left to right and comprise bearing connecting pieces, bearing chains, gripping frames and gripping hooks; the bearing connecting piece is connected with the lower end part of the cross beam; the upper end part of the bearing chain is fixedly connected with the bearing connecting piece, and the lower end part of the bearing chain is fixedly connected with the upper end part of the grabbing frame; the clamping claw comprises a left claw part and a right claw part, the left claw part and the right claw part are matched with the paying-off pulley, the left claw part is rotationally connected with the left end of the claw frame, and the right claw part is rotationally connected with the right end of the claw frame. The invention improves the hoisting speed of the paying-off pulley.
Description
Technical Field
The invention relates to the technical field of lifting devices, in particular to a lifting appliance suitable for a paying-off pulley.
Background
The paying-off pulley is common construction equipment in the tension paying-off construction process of power transmission and transformation engineering, and is divided into three wheels, five wheels, seven wheels and the like according to voltage class and wire splitting number, and the paying-off pulley is also divided into phi 508, phi 660, phi 820, phi 916 and the like according to different wheel diameters of applicable wire diameters. As shown in fig. 1 and 2, the paying-off pulley includes a paying-off pulley hanging plate 1, a paying-off pulley frame 2, and a paying-off pulley 3.
The paying-off pulley has large usage amount in the line engineering construction, and the pulley has special appearance, thereby bringing difficulty to loading, unloading and transportation. The ordinary hoisting speed is low, and the personnel workload is high, so that a special lifting appliance for loading, unloading and transporting the paying-off pulley is needed.
Disclosure of Invention
The invention aims to provide a lifting appliance suitable for a paying-off pulley, which can be used for improving the lifting speed of the paying-off pulley.
The invention adopts the technical scheme that:
a lifting appliance suitable for a paying-off pulley comprises a cross beam, a connecting mechanism and a plurality of grasping mechanisms; the upper end part of the cross beam is connected with external lifting equipment through the connecting mechanism; the plurality of gripping mechanisms are uniformly distributed from left to right and comprise bearing connecting pieces, bearing chains, gripping frames and gripping clamps;
the bearing connecting piece is connected with the lower end part of the cross beam; the upper end part of the bearing chain is fixedly connected with the bearing connecting piece, and the lower end part of the bearing chain is fixedly connected with the upper end part of the grabbing frame;
the clamping claw comprises a left claw part and a right claw part, the left claw part and the right claw part are matched with the paying-off pulley, the left claw part is rotationally connected with the left end of the claw frame, and the right claw part is rotationally connected with the right end of the claw frame.
The lifting appliance suitable for the paying-off pulley is characterized in that the bearing connecting piece is connected with the lower end part of the cross beam in a sliding manner.
The lower end of the cross beam is provided with a sliding rail along the left-right direction, the upper end of the bearing connecting piece is provided with a sliding head matched with the sliding rail, and the bearing connecting piece slides along the lower end of the cross beam through the matching of the sliding rail and the sliding head.
The lifting appliance suitable for the paying-off pulley further comprises a locking mechanism used for limiting the sliding head and the sliding rail to slide relatively.
The lifting appliance suitable for the paying-off pulley further comprises control components which are in one-to-one correspondence with the grabbing mechanisms, wherein the control components comprise a control chain, a chain connecting piece and a hanging plate clamping piece; the upper end of the control chain is detachably connected with the bearing connecting piece of the corresponding grasping mechanism through the chain connecting piece, and the lower end of the control chain is connected with the paying-off pulley hanging plate through the hanging plate clamping piece.
The control assembly also comprises a spring buffer mechanism, and the upper end of the control chain is connected with the chain connecting piece through the spring buffer mechanism.
The hanging plate clamping piece comprises a U-shaped clamping part with a rightward opening and a rotary clamping block, the connecting end of the rotary clamping block is rotationally connected with the lower end of the control chain, and the clamping end of the rotary clamping block is opposite to the opening of the U-shaped clamping part.
The connecting mechanism comprises a connecting plate and two suspenders, the two suspenders are symmetrically arranged, the upper ends of the two suspenders are connected with the connecting plate, and the lower ends of the two suspenders are respectively connected with the two ends of the cross beam.
The left grab part is characterized in that a left moving magnet is arranged on the upper end face of the left grab part, a right moving magnet is arranged on the upper end face of the right grab part, and the grab frame is provided with a left static magnet for adsorbing the left moving magnet and a right static magnet for adsorbing the right moving magnet.
According to the invention, the clamping claws matched with the outermost rims of the paying-off pulley pulleys are arranged, so that the paying-off pulley is quickly lifted, the handling and transporting efficiency of the paying-off pulley is improved, and the workload of workers is reduced;
furthermore, the bearing connecting piece is movably connected with the lower end part of the cross beam, and the spacing between the plurality of grasping mechanisms at the lower end part of the cross beam is adjusted, so that the position of the paying-off pulley after being assembled and disassembled in place is not required to be manually adjusted for the second time, and the workload of workers is further reduced;
still further, through setting up the control chain, the upper end of control chain passes through the chain connection spare and connects, and the other end utilizes link joint spare to block unwrapping wire coaster link plate, and unwrapping wire coaster link plate and frame are emptyd immediately along with the lifting of unwrapping wire coaster, and control chain is spacing with unwrapping wire coaster link plate and frame, thereby avoid the unwrapping wire coaster link plate to rock in the lift transportation of unwrapping wire coaster, guarantee the stability of unwrapping wire coaster in the transportation, thereby the security performance of unwrapping wire coaster handling in-process has been promoted greatly, the precision of unwrapping wire coaster position and interval when also guaranteeing that the hoist will unwrapping wire coaster put down, further reduced the work load that the workman was put with the unwrapping wire coaster secondary arrangement, the efficiency of unwrapping wire coaster handling has been promoted.
Furthermore, the left moving magnet, the right moving magnet and the static magnet are arranged, after the paying-off pulley is hoisted in place, the left grabbing part and the right grabbing part of the manual light support grabbing clamp are attracted to the grabbing frame under the action of the left moving magnet, the right moving magnet and the static magnet, the clamping grabbing clamp is prevented from being separated from the pulley due to self gravity, and the hoisting and loading efficiency of the paying-off pulley is further improved.
Drawings
FIG. 1 is a schematic diagram of the front view of a pay-off sled;
FIG. 2 is a right side view schematic of the payoff carriage of FIG. 1;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a schematic view of the structure of the present invention in use;
FIG. 5 is a schematic diagram of a control assembly;
FIG. 6 is a schematic view of a hanger plate clip;
reference numerals illustrate: 1. paying-off pulley hanging plate; 2. paying-off pulley frames; 3. paying-off pulley; 4. a cross beam; 5. a load bearing connection; 5-1, a sliding head; 6. a load-bearing chain; 7. a grabbing frame; 8. clamping and grabbing; 8-1, left grip; 8-2 right grip;
9. controlling a chain; 10. a chain connecting member; 11. a spring buffer mechanism; 12. a U-shaped clamping part; 13. rotating the clamping block; 14. a connecting plate; 15. a boom; 16. a left static magnet; 17. right static magnet.
Detailed Description
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
As shown in fig. 3 and 4, the present invention includes a cross beam 4, a connecting mechanism, and a plurality of grasping mechanisms; the upper end part of the cross beam 4 is connected with external lifting equipment through the connecting mechanism; the plurality of gripping mechanisms are uniformly distributed from left to right and comprise a bearing connecting piece 5, a bearing chain 6, a gripping frame 7 and a gripping 8; in the paying-off process, a crane is adopted for the general production of the lifting equipment.
The bearing connecting piece 5 is connected with the lower end part of the cross beam 4; the upper end part of the bearing chain 6 is fixedly connected with the bearing connecting piece 5, and the lower end part of the bearing chain 6 is fixedly connected with the upper end part of the grabbing frame 7;
the crossbeam 4 is connected with the clamping and grabbing 8 through the bearing chain 6, when the paying-off tackle is not orderly placed and is not parallel, and certain errors exist in position and direction, the position of the clamping and grabbing 8 can be adjusted through the chain, the position of the paying-off tackle does not need to be adjusted, so that the initial clamping of the clamping and grabbing 8 on the tackle is easily achieved, and the loading and unloading efficiency of the paying-off tackle is improved.
The clamping claw 8 comprises a left claw part 8-1 and a right claw part 8-2, the left claw part 8-1 and the right claw part 8-2 are matched with the paying-off pulley 3, the left claw part 8-1 is rotationally connected with the left end of the claw frame 7, and the right claw part 8-2 is rotationally connected with the right end of the claw frame 7.
Specifically, the outermost rim of the paying-off pulley 3 is arc-shaped, and the left grabbing part 8-1 and the right grabbing part 8-2 are provided with arc-shaped hook parts matched with the arc-shaped hook parts.
During lifting operation, the special lifting appliance connecting plate 14 is connected with the crane hook through the shackle. The paying-off pulley is placed into a row in parallel with the special lifting appliance cross beam 4 according to the lifting quantity of each lifting fork, the lifting appliance clamping claw 8 clamps the outermost rim of the pulley, the crane starts to lift, when the clamping claw 8 clamps the paying-off pulley 3, the arc-shaped hook parts of the left clamping part 8-1 and the right clamping part 8-2 of the paying-off pulley just hook the outermost rim of the paying-off pulley 3, the clamping claw 8 is attached to the outer wall of the rim, and clamping force is generated through the dead weight of the paying-off pulley. With lifting of the lifting appliance by the crane, the paying-off pulley is lifted off, the paying-off pulley 3 is tightly grasped by the left grasping part 8-1 and the right grasping part 8-2 under the action of gravity of the paying-off pulley, the paying-off pulley is put down after the crane transfers the grasped paying-off pulley to a destination, the clamping grasping part 8 and the paying-off pulley 3 are not forced to be tightly pressed by the gravity of the paying-off pulley, and at the moment, the clamping grasping part 8 is taken off from the paying-off pulley 3 by a worker, so that quick transfer and loading and unloading of the paying-off pulley are completed.
Preferably, the bearing connector 5 is slidingly connected with the lower end of the cross beam 4. When the paying-off trolley is lifted, according to the model number, the wheel diameter and the width of the paying-off trolley, the number of the paying-off trolley placed side by side after loading is determined according to the carriage width of a truck for transporting the paying-off trolley, so that the specification of the lifting appliance is selected, the specification of the paying-off trolley is clamped and grasped 8, and the distance between a plurality of grasping mechanisms is adjusted by moving the bearing connecting piece 5, so that the paying-off trolley does not need to be manually subjected to secondary adjustment after being assembled and disassembled in place, the workload of workers is greatly reduced, and the efficiency of rapid transportation and assembly and disassembly of the paying-off trolley is further improved.
The lifting appliance suitable for the paying-off pulley is characterized in that a sliding rail is arranged at the lower end part of the cross beam 4 along the left-right direction, a sliding head 5-1 matched with the sliding rail is arranged at the upper end part of the bearing connecting piece 5, and the bearing connecting piece 5 slides along the lower end part of the cross beam 4 through the matching of the sliding rail and the sliding head 5-1.
In this embodiment, the cross beam 4 is i-shaped, and the sliding head 5-1 is provided with an inverted T-shaped groove matched with the i-shaped cross beam 4, so that the sliding head 5-1 of the weighing connector moves left and right along the cross beam 4, and the distance between the plurality of gripping mechanisms is conveniently adjusted.
Along with the lifting of the paying-off pulley, the dead weight of the paying-off pulley enables pressure to be generated between the cross beam 4 and the inverted T-shaped groove of the sliding head 5-1, so that the sliding head 5-1 is prevented from sliding in the lifting appliance transferring process.
The lifting appliance suitable for the paying-off pulley further comprises a locking mechanism for limiting the sliding head 5-1 and the sliding rail to slide relatively. After the plurality of grasping mechanisms are adjusted in place, the sliding head 5-1 is limited by the locking mechanism, so that the sliding head 5-1 is further prevented from moving left and right.
As shown in fig. 5, the lifting appliance suitable for the paying-off pulley further comprises control components in one-to-one correspondence with the gripping mechanisms, wherein the control components comprise a control chain 9, a chain connecting piece 10 and a hanging plate clamping piece; the upper end of the control chain 9 is detachably connected with the bearing connecting piece 5 of the corresponding grasping mechanism through a chain connecting piece 10, and the lower end of the control chain 9 is clamped with the paying-off pulley hanging plate 1 through the hanging plate clamping piece.
In the lifting and transferring process of the paying-off pulley, the paying-off pulley hanging plate 1 shakes, so that the paying-off pulley is wholly shaked, and the accuracy of the position and the distance when the paying-off pulley falls to the ground is affected.
When the paying-off tackle is lifted, the upper end of the control chain 9 is quickly connected with the bearing connecting piece 5 of the corresponding grasping mechanism through the chain connecting piece 10, and the paying-off tackle hanging plate 1 is clamped by the hanging plate clamping piece at the other end. Along with the lifting of the paying-off pulley, the paying-off pulley hanging plate 1 and the frame are dumped immediately, so that the paying-off pulley sliding plate is limited on the horizontal position, the shaking of the paying-off pulley hanging plate 1 in the lifting and transferring process of the paying-off pulley is avoided, the stability of the paying-off pulley in the transportation process is ensured, the safety performance of the paying-off pulley in the lifting and loading and unloading process is greatly improved, the position and the distance of the paying-off pulley close to the expected paying-off pulley distance when the lifting appliance puts down the paying-off pulley are also ensured, the workload that workers place the paying-off pulley in secondary arrangement is further reduced, and the lifting and loading efficiency of the paying-off pulley is improved.
The lifting appliance suitable for the paying-off pulley is characterized in that the control assembly further comprises a spring buffer mechanism 11, and the upper end of the control chain 9 is connected with a chain connecting piece 10 through the spring buffer mechanism 11.
The spring buffer mechanism 11 can avoid impact on the control chain 9 due to the falling of the paying-off pulley hanging plate 1 and the frame during lifting.
As shown in fig. 6, in this embodiment, the hanging board clamping member includes a U-shaped clamping portion 12 and a rotating clamping block 13 with a rightward opening, one end of the rotating clamping block 13 is a connection end, the other end of the rotating clamping block 13 is a clamping end, the connection end of the rotating clamping block 13 is rotationally connected with the lower end of the control chain 9, and the clamping end of the rotating clamping block 13 is opposite to the opening of the U-shaped clamping portion 12.
After the U-shaped clamping part 12 clamps the paying-off pulley hanging plate 1, along with lifting of the paying-off pulley, the rotary clamping block 13 is pulled by the control chain 9 to rotate, the clamping end of the rotary clamping block 13 and the paying-off pulley hanging plate 1 generate pressure, the paying-off pulley hanging plate 1 is tightly pressed, and the paying-off pulley hanging plate 1 is prevented from sliding out of the U-shaped clamping part 12.
The connecting mechanism comprises a connecting plate 14 and two suspenders 15, the two suspenders 15 are symmetrically arranged, the upper ends of the two suspenders 15 are connected with the connecting plate 14, and the lower ends of the two suspenders 15 are respectively connected with the two ends of the cross beam 4, so that the cross beam 4 is kept horizontal in the lifting and transferring process of the lifting appliance.
In the lifting appliance suitable for the paying-off pulley, a left moving magnet is arranged on the upper end face of the left grabbing portion 8-1, a right moving magnet is arranged on the upper end face of the right grabbing portion 8-2, and the grabbing frame 7 is provided with a left static magnet 16 for adsorbing the left moving magnet and a right static magnet 17 for adsorbing the right moving magnet.
In this embodiment, the left magnetostatic iron 16 and the right magnetostatic iron 17 are protruded outward, and the left moving magnet and the right moving magnet are recessed inward, so that the left moving magnet and the right moving magnet are not shown in the drawing.
When the paying-off tackle is hoisted in place, the left grabbing part 8-1 and the right grabbing part 8-2 of the manual light-supporting grabbing clamp 8 are attracted to the grabbing frame 7, and the grabbing clamp 8 cannot keep a falling state due to the gravity of the grabbing clamp 8, so that the grabbing clamp 8 is influenced to be separated from the tackle normally. When the paying-off pulley is lifted, the clamping claw 8 and the grabbing frame 7 are manually separated, the clamping claw 8 is hung on the paying-off pulley 3, and the clamping claw 8 is attached to the outermost rim of the paying-off pulley 3.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (6)
1. A hoist suitable for unwrapping wire coaster, its characterized in that: comprises a cross beam, a connecting mechanism and a plurality of grasping mechanisms; the upper end part of the cross beam is connected with external lifting equipment through the connecting mechanism; the plurality of gripping mechanisms are uniformly distributed from left to right and comprise bearing connecting pieces, bearing chains, gripping frames and gripping clamps;
the bearing connecting piece is connected with the lower end part of the cross beam; the upper end part of the bearing chain is fixedly connected with the bearing connecting piece, and the lower end part of the bearing chain is fixedly connected with the upper end part of the grabbing frame;
the clamping claw comprises a left claw part and a right claw part, the left claw part and the right claw part are matched with the paying-off pulley, the left claw part is rotationally connected with the left end of the claw frame, and the right claw part is rotationally connected with the right end of the claw frame;
the bearing connecting piece is connected with the lower end part of the cross beam in a sliding way;
the lower end part of the cross beam is provided with a sliding rail along the left-right direction, the upper end part of the bearing connecting piece is provided with a sliding head matched with the sliding rail, and the bearing connecting piece slides along the lower end part of the cross beam through the matching of the sliding rail and the sliding head;
the control assembly is in one-to-one correspondence with the grabbing mechanism and comprises a control chain, a chain connecting piece and a hanging plate clamping piece; the upper end of the control chain is detachably connected with the bearing connecting piece of the corresponding grasping mechanism through the chain connecting piece, and the lower end of the control chain is connected with the paying-off pulley hanging plate through the hanging plate clamping piece.
2. A spreader for a pay-off trolley according to claim 1, wherein: the sliding head and the sliding rail are prevented from sliding relatively.
3. A spreader for a pay-off trolley according to claim 1, wherein: the control assembly also comprises a spring buffer mechanism, and the upper end of the control chain is connected with the chain connecting piece through the spring buffer mechanism.
4. A spreader for a pay-off trolley according to claim 1, wherein: the hanging plate clamping piece comprises a U-shaped clamping part with a rightward opening and a rotary clamping block, the connecting end of the rotary clamping block is rotationally connected with the lower end of the control chain, and the clamping end of the rotary clamping block is opposite to the opening of the U-shaped clamping part.
5. A spreader for a pay-off trolley according to claim 1, wherein: the connecting mechanism comprises a connecting plate and two suspenders, the two suspenders are symmetrically arranged, the upper ends of the two suspenders are connected with the connecting plate, and the lower ends of the two suspenders are respectively connected with the two ends of the cross beam.
6. A spreader for a pay-off trolley according to claim 1, wherein: the left grab part is characterized in that a left moving magnet is arranged on the upper end face of the left grab part, a right moving magnet is arranged on the upper end face of the right grab part, and the grab frame is provided with a left static magnet for adsorbing the left moving magnet and a right static magnet for adsorbing the right moving magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484051.0A CN109305625B (en) | 2018-12-06 | 2018-12-06 | Lifting appliance suitable for paying-off pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484051.0A CN109305625B (en) | 2018-12-06 | 2018-12-06 | Lifting appliance suitable for paying-off pulley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109305625A CN109305625A (en) | 2019-02-05 |
| CN109305625B true CN109305625B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811484051.0A Active CN109305625B (en) | 2018-12-06 | 2018-12-06 | Lifting appliance suitable for paying-off pulley |
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| Country | Link |
|---|---|
| CN (1) | CN109305625B (en) |
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| CN102701068A (en) * | 2012-05-31 | 2012-10-03 | 齐齐哈尔轨道交通装备有限责任公司 | Lifting appliance |
| CN204607386U (en) * | 2015-04-13 | 2015-09-02 | 北汽福田汽车股份有限公司 | A kind of suspender and the elevator machinery comprising this suspender |
| CN105836599A (en) * | 2016-06-23 | 2016-08-10 | 合肥市神雕起重机械有限公司 | Space-adjustable equalizing beam |
| CN207276021U (en) * | 2017-08-29 | 2018-04-27 | 青岛海洋热电化工设备有限公司 | A kind of new steel plate protects component |
| CN207479496U (en) * | 2017-09-05 | 2018-06-12 | 江阴方圆环锻法兰有限公司 | A kind of high-temperature ring forge piece hoisting mechanism |
| CN207267782U (en) * | 2017-10-24 | 2018-04-24 | 浙江迅和机械制造有限公司 | Steel pipe hoisting tool |
| CN207926069U (en) * | 2018-03-01 | 2018-09-28 | 广东省输变电工程有限公司 | A kind of conducting wire releasing pulley equilibratory suspension |
| CN108892033A (en) * | 2018-08-01 | 2018-11-27 | 扬州市神力吊具制造有限公司 | A kind of adjustable steel rail suspender |
| CN209210192U (en) * | 2018-12-06 | 2019-08-06 | 河南送变电建设有限公司 | A kind of suspender suitable for releasing pulley |
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| CN109305625A (en) | 2019-02-05 |
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