CN118270651B - Hoisting device and hoisting method for crane - Google Patents
Hoisting device and hoisting method for crane Download PDFInfo
- Publication number
- CN118270651B CN118270651B CN202410711613.XA CN202410711613A CN118270651B CN 118270651 B CN118270651 B CN 118270651B CN 202410711613 A CN202410711613 A CN 202410711613A CN 118270651 B CN118270651 B CN 118270651B
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- reel
- block
- rotating shaft
- sliding
- clamping
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000032258 transport Effects 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
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
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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
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/26—Rope, cable, or chain winding mechanisms; Capstans having several drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D2700/00—Capstans, winches or hoists
- B66D2700/01—Winches, capstans or pivots
- B66D2700/0125—Motor operated winches
- B66D2700/0141—Electrically actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a hoisting device and a hoisting method for a crane, which belong to the technical field of hoisting devices and comprise two guide rails, wherein sliding blocks are arranged on the guide rails in a sliding manner, a rotating shaft is rotatably arranged between the two sliding blocks, reels are sleeved at two ends of the rotating shaft, a sleeve is arranged between the two reels, the sleeve is fixedly sleeved at the outer side of the rotating shaft, and two positioning blocks matched with the reels are elastically arranged at the peripheral surface of the outer side of the rotating shaft; through locating piece and the fixture block that sets up, in the use, only when two haulage ropes are strained to prop straight, the fixture block just can cooperate with the draw-in groove to make the pivot drive two reels rotatory and promote the work piece in step at rotatory in-process, for traditional lifting means, this structure can avoid the work piece deflection when promoting, makes the focus of work piece be in between two sliders, so that the atress of two sliders and haulage rope is more even.
Description
Technical Field
The invention relates to the technical field of lifting devices, in particular to a lifting device and a lifting method for a crane.
Background
The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, and is also called crown block, navigation crane and crane.
Chinese patent CN204237430U discloses an axle hoisting structure, through all being provided with two at least and the corresponding joint post of axle ring flange round hole on first half dish and second half dish, be provided with the hanging hole that supplies the lifting hook to hang on first half dish and the second half dish, can guarantee that it vertically transports the cleaning department when hoist and mount axle, and can release wire rope's moment of torsion at the in-process that removes.
According to the device, the workpiece is lifted through the two slings, but along with the increase of the service time, the two slings are non-uniform due to deformation, so that the extending distances of the two slings relative to the hanging block are unequal, and therefore, when the workpiece is lifted, the workpiece is inevitably deflected, so that the stress between the two ropes is uneven, the integral operation of the device is affected, and the device is still improved.
Therefore, it is necessary to provide a hoisting device and a hoisting method for a crane, which solve the above-mentioned technical problems.
Disclosure of Invention
The invention aims to provide a hoisting device and a hoisting method for a crane, which are used for solving the problems that the prior device provided in the prior art lifts a workpiece through two slings, but as the service time is prolonged, the two slings are uneven due to non-uniform deformation, so that the extending distances of the two slings relative to a hoisting block are unequal, the workpiece is inevitably deflected when the workpiece is lifted, and the stress between the two ropes is uneven.
Based on the thought, the invention provides the following technical scheme: the hoisting device for the crane comprises two guide rails, wherein sliding blocks are arranged on the guide rails in a sliding manner, a rotating shaft is rotatably arranged between the two sliding blocks, a reel is sleeved at two ends of the rotating shaft, a sleeve is arranged between the two reels, the sleeve is fixedly sleeved on the outer side of the rotating shaft, two positioning blocks matched with the reels are elastically arranged at the peripheral surface of the outer side of the rotating shaft, clamping blocks matched with the reels are elastically arranged at the end surfaces of the two ends of the sleeve, and when the two positioning blocks are disengaged from the reels, the clamping blocks are ejected out and connected with the reels, so that the rotating shaft can synchronously drive the two reels to rotate in the rotating process;
the reel is of an annular structure, a positioning groove matched with a positioning block is formed in the inner wall of the reel, and an inclined extrusion surface is formed at one end, far away from the rotating shaft, of the positioning block;
the clamping groove matched with the clamping block is formed in the inner side end face of the reel, the clamping groove is arc-shaped, and the length of the clamping groove is larger than that of the clamping block.
The sliding plate is arranged at the rotating shaft in a sliding manner, the sliding plate is elastically connected with the rotating shaft, a first pull rope is fixedly arranged between the sliding plate and the positioning block, and a second pull rope is fixedly arranged between the sliding plate and the clamping block.
As a further scheme of the invention: the outside rotation cover of reel is equipped with the lantern ring, reel medial surface department rotates and is provided with the connecting axle, and the one end elastic connection that the connecting axle stretched out the reel has the balancing weight, the balancing weight is in one side of connecting axle axis, the outer peripheral face department elastic connection of reel is provided with the connecting block, and the one end elasticity that the connecting block is close to the lantern ring is provided with the dog, a plurality of notches with dog matched with have evenly been seted up to lantern ring inner wall department, the one end that the connecting block was kept away from to the dog is provided with the inclined plane, fixedly provided with connecting rope between balancing weight and the connecting block.
As a further scheme of the invention: the gear rings are fixedly sleeved at the two ends of the sleeve, a gear meshed with the gear rings is sleeved at one end of the connecting shaft extending out of the reel, and the gear is matched with the connecting shaft through a one-way bearing.
As a further scheme of the invention: a supporting plate is fixedly arranged between the two sliding blocks, a driving motor is installed on the supporting plate, and an output shaft of the driving motor is connected with one end of the rotating shaft penetrating through the sliding blocks through a transmission unit.
As a further scheme of the invention: the outside integrated into one piece of lantern ring has supporting part, and supporting part and slider fixed connection.
As a further scheme of the invention: the traction rope is wound on the reel, one end of the traction rope is fixed with the reel, and the other end of the traction rope is provided with a hook.
The method for hoisting by using the hoisting device for the crane comprises the following steps: the sliding block is moved to the upper part of the workpiece to be lifted along the guide rail, and the traction rope is released by driving the reel to rotate; the reverse rotation reel promotes the work piece, and after two locating pieces all stagger with the constant head tank, two the haulage rope is strained and is strutted, and fixture block and draw-in groove cooperate this moment for the pivot can drive the reel rotatory winding haulage rope at rotatory in-process, thereby promotes the work piece.
Compared with the prior art, the invention has the beneficial effects that: this device is through locating piece and the fixture block that sets up, in the use, only when two haulage ropes are strained to prop straight, the fixture block just can cooperate with the draw-in groove to make the pivot drive two reels rotatory and promote the work piece in step at rotatory in-process, for traditional lifting means, this structure can avoid the work piece deflection when promoting, makes the focus of work piece be in between two sliders, so that the atress of two sliders and haulage rope is more even.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the collar and support structure of the present invention;
FIG. 3 is a cross-sectional view of the spindle, sleeve, and spool of the present invention;
FIG. 4 is a schematic diagram of a card slot structure of the present invention;
FIG. 5 is a schematic view of the sleeve and gear ring configuration of the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 5B according to the present invention;
FIG. 8 is a schematic view of a stopper structure of the present invention;
FIG. 9 is a schematic view of the positioning block structure of the present invention;
fig. 10 is a view of the use scenario of the present invention.
In the figure: 1. a guide rail; 2. a support part; 3. a slide block; 4. a transmission unit; 5. a traction rope; 6. a hook; 7. a reel; 8. a gear ring; 9. a gear; 10. a rotating shaft; 11. a collar; 12. a positioning block; 13. a slide plate; 14. a first pull rope; 15. a second pull rope; 16. a sleeve; 17. a clamping block; 18. a clamping groove; 19. a first inclined surface; 20. balancing weight; 21. a notch; 22. a stop block; 23. a connecting block; 24. a connecting rope; 25. extruding the surface; 26. an inclined surface; 27. a second inclined surface; 28. a workpiece; 29. a guide surface; 30. and a connecting shaft.
Detailed Description
As shown in fig. 1-3, a hoisting device and a hoisting method for a crane, the hoisting device comprises two guide rails 1, wherein sliding blocks 3 are slidably arranged on the guide rails 1, a rotating shaft 10 is arranged between the two sliding blocks 3, specifically, two ends of the rotating shaft 10 penetrate through the sliding blocks 3 and are in running fit with the sliding blocks, two ends of the rotating shaft 10 are sleeved with reels 7, the reels 7 are in running fit with the sliding blocks 3, a sleeve 16 is arranged between the two reels 7, the sleeve 16 is fixedly sleeved on the outer side of the rotating shaft 10, in actual use, a traction rope 5 is wound on the reels 7, one end of the traction rope 5 is fixed with the reels 7, and a hook 6 is arranged at the other end of the traction rope 5, so that a workpiece 28 is lifted by the structure;
In the practical application process, the motor can be arranged on the sliding block 3 to drive the sliding block 3 to move on the guide rail 1, in particular, a rack is arranged on the guide rail 1, the output end of the motor is provided with a driving gear 9 meshed with the rack, the sliding block 3 can be driven to move on the guide rail 1 through the structure, in addition, the sliding block 3 can be driven to move in a chain driving mode, and the structure is a mature technical means in the mechanical field and is not repeated herein.
As shown in fig. 2-6 and 8-10, in actual use, due to the problems of improper operation of a worker or the structure of the workpiece 28, or due to non-uniform deformation of the two traction ropes 5, the lengths of the two traction ropes 5 are changed after a period of use, so that the lengths of the two traction ropes 5 extending out relative to the reel 7 are different, at the moment, when the workpiece 28 is lifted, the situation shown in fig. 10 exists, that is, the workpiece 28 deflects, so that the stress of the two traction ropes 5 is not uniform, on one hand, the service life of one traction rope 5 is shortened, on the other hand, the pressure between one sliding block 3 and the guide rail 1 is increased, and over time, abnormal sound occurs when the equipment operates, in order to solve the problems, two positioning blocks 12 are elastically arranged at the outer peripheral surface of the rotating shaft 10, the positioning blocks 12 are matched with the reel 7, clamping blocks 17 matched with the reel 7 are elastically arranged at the end surfaces of the two ends of the sleeve 16, and when the two positioning blocks 12 are separated from the reel 7, the clamping blocks 17 are ejected and connected with the reel 7, so that the rotating shaft 10 can synchronously drive the two traction ropes 5 to rotate in the rotating direction, and the rotating shaft 28 is high, thereby the rotating shaft 28 can be realized, and the specified degree of the workpiece 28 can be realized.
The reel 7 is of an annular structure, a positioning groove matched with the positioning block 12 is formed in the inner wall of the reel 7, an inclined extrusion surface 25 is formed at one end of the positioning block 12 far away from the rotating shaft 10, when the reel 7 rotates to straighten the traction rope 5, the gravity of the workpiece 28 needs to be overcome when the reel 7 rotates, and the extrusion surface 25 on the positioning block 12 extrudes the side edges of the positioning groove, so that the positioning block 12 is compressed into the rotating shaft 10, and one end of the positioning block 12 far away from the rotating shaft 10 moves out of the positioning groove.
The inner side end surface of the reel 7 is provided with a clamping groove 18 matched with the clamping block 17, the clamping groove 18 is arc-shaped, and the length of the clamping groove 18 is larger than that of the clamping block 17.
The rotary shaft 10 is also provided with a sliding plate 13 in a sliding manner, the sliding plate 13 is elastically connected with the rotary shaft 10, a first pull rope 14 is fixedly arranged between the sliding plate 13 and the positioning block 12, the first pull rope 14 penetrates through the rotary shaft 10 and is in sliding fit with the rotary shaft 10, a second pull rope 15 is fixedly arranged between the sliding plate 13 and the clamping block 17, the second pull rope 15 penetrates through the rotary shaft 10 and the sleeve 16 and is in sliding fit with the sleeve, and through the structure, the clamping block 17 can be ejected out and inserted into the clamping groove 18 only when the two positioning blocks 12 are contracted into the rotary shaft 10, so that the rotary shaft 10 can drive the reel 7 to rotate in the rotating process.
In actual use, the sliding block 3 is moved to the position above the workpiece 28 to be lifted, in an initial state, one end of the positioning block 12 is inserted into the positioning groove, so that the rotating shaft 10 can drive the reel 7 to rotate and put down the hook 6, the hook 6 is hung at the connecting lugs on two sides of the workpiece 28, then the rotating shaft 10 drives the reel 7 to reversely rotate, if the lengths of the two traction ropes 5 are different, in the use process, one traction rope 5 is tensioned first, when one traction rope 5 is tensioned, the reel 7 needs to overcome the gravity of the workpiece 28 when the reel 7 is wound, so that the pressure between the clamping block 17 on the side and the side edges of the clamping groove 18 is increased, and as the rotating shaft 10 rotates, one positioning block 12 is extruded into the rotating shaft 10 and is disconnected with the reel 7, but because only one positioning block 12 is extruded into the rotating shaft 10, the second traction rope 15 is not enough to pull the sliding plate 13 through the restraint of the other positioning block 12;
With the rotation of the rotating shaft 10, the other traction rope 5 is also pulled tightly, so that the rotating shaft 10 is squeezed into the rotating shaft 10 by the side edges of the clamping grooves 18 in the rotating process, when the two positioning blocks 12 are contracted into the rotating shaft 10, the sliding plate 13 can spring up towards the clamping blocks 17, so that the second pull rope 15 between the sliding plate 13 and the clamping blocks 17 can be loosened, the clamping blocks 17 can be ejected, when the sleeve 16 rotates to align the clamping blocks 17 with the clamping grooves 18, the clamping blocks 17 are ejected and inserted into the clamping grooves 18, so that the sleeve 16 is clamped with the winding grooves 7, the rotating shaft 10 can synchronously drive the two winding grooves 7 to rotate in the rotating process, so that the workpiece 28 is lifted through the two winding grooves 7, and because before the workpiece 28 is lifted, the two traction ropes 5 are pulled tightly and are in a straight state, the lengths of the two traction ropes 5 extending relative to the winding grooves 7 are equal, the workpiece 28 can be kept horizontal in the process of lifting the workpiece 28, and the uniform stress of the sliding block 3 and the traction ropes 5 is facilitated.
In summary, this device is through locating piece 12 and fixture block 17 that set up, in the use, only when two haulage ropes 5 are strained and straighten, fixture block 17 can cooperate with draw-in groove 18 to make pivot 10 can drive two reels 7 rotatory and promote work piece 28 in step in rotatory in-process, for traditional lifting means, this structure can avoid work piece 28 deflection when promoting, makes the focus of work piece 28 be in between two sliders 3, so that the atress of two sliders 3 and haulage rope 5 is more even.
As shown in fig. 2-3 and 6-8, in actual use, the outside of the reel 7 is rotatably sleeved with a collar 11, the outside of the collar 11 is integrally provided with a supporting part 2, the supporting part 2 is fixedly connected with the sliding block 3, the collar 11 is advantageously mounted on the sliding block 3 through the structure, a connecting shaft 30 is rotatably arranged at the inner side surface of the reel 7, one end of the connecting shaft 30 extending out of the reel 7 is elastically connected with a balancing weight 20, the balancing weight 20 is arranged at the outer peripheral surface of the connecting shaft 30 and is not overlapped with the axis of the connecting shaft 30, and through the structure, the balancing weight 20 can be thrown out by centrifugal force generated by the connecting shaft 30 in the rapid rotation process;
Further, a connecting block 23 is elastically arranged on the outer peripheral surface of the reel 7, the connecting block 23 can move along the axial direction relative to the reel 7, a stop block 22 is elastically arranged at one end of the connecting block 23 close to the lantern ring 11, and a plurality of notches 21 matched with the stop block 22 are uniformly formed on the inner wall of the lantern ring 11;
Further, an inclined surface 26 is arranged at one end of the stop block 22 far away from the connecting block 23, when the stop block 22 is ejected out and inserted into the notch 21, the stop block 22 can rotate along a single direction relative to the lantern ring 11, an inclined guide surface 29 is arranged at one end of the inner side of the notch 21, the stop block 22 can be conveniently moved out of the notch 21 through the structure, a connecting rope 24 is fixedly arranged between the balancing weight 20 and the connecting block 23, the connecting rope 24 passes through the connecting shaft 30 and the reel 7 and is in sliding fit with the connecting shaft, and the connecting rope 24 is positioned at the axis of the connecting shaft 30;
In addition, the gear ring 8 is fixedly sleeved at two ends of the sleeve 16, the gear 9 meshed with the gear ring 8 is sleeved at one end of the connecting shaft 30 extending out of the reel 7, and the gear 9 is matched with the connecting shaft 30 through a one-way bearing, so that the gear 9 can only drive the connecting shaft 30 to rotate along a single direction, and the diameter of the gear ring 8 is larger than that of the gear 9.
In actual use, when one of the traction ropes 5 is pulled and straightened so that one of the positioning blocks 12 moves out of the positioning groove, the rotating shaft 10 can rotate relative to the reel 7 at the side, in the process, the gear ring 8 rotates relative to the gear 9, the connecting shaft 30 can be driven to rotate through the meshing of the gear ring 8 and the gear 9, the counter weight 20 can be thrown out of the rotary sleeve 16 to rotate the reel 7 by centrifugal force generated when the connecting shaft 30 rotates, the rotating speed of the reel 7 is slower, so that the revolution speed of the connecting shaft 30 along with the reel 7 is slower, in this case, the counter weight 20 cannot be thrown out, the connecting rope 24 can be pulled when the counter weight 20 moves outwards relative to the connecting shaft 30, so that the connecting block 23 is driven to slide outwards by the connecting rope 24, and the stop 22 can be ejected out and inserted into the notch 21 when the stop 22 is aligned with the notch 21, so that the reel 7 can only rotate unidirectionally relative to the collar 11, the pulling force of the reel 7 can be prevented from moving reversely under the pull of the traction rope 5, and by the structure, when the positioning block 12 and the positioning groove are separated from the positioning groove, the stable state of the pull rope 5 can be kept, and the stability of the pull rope 28 can be kept, and the stable state can be lifted;
when the clamping block 17 is matched with the clamping groove 18, the sleeve 16 is clamped with the reel 7, the gear ring 8 and the gear 9 are kept relatively static, the balancing weight 20 is reset, and in the process, the connecting block 23 drives the stop block 22 to reset, so that the stop block 22 is disconnected with the notch 21;
When the workpiece 28 is sent to a designated position and is lowered to the ground, the reel 7 can stop rotating, at the moment, the rotating shaft 10 drives the sleeve 16, the clamping block 17 and the positioning block 12 to continue rotating, after the positioning block 12 coincides with the positioning groove, the positioning block 12 can be ejected and reinserted into the positioning groove, and the slide plate 13 can be pulled along with the ejection of the positioning block 12, so that the clamping block 17 is pulled to be staggered with the clamping groove 18 through the second pull rope 15, and the next use is facilitated.
As shown in fig. 3-7, a first inclined surface 19 is disposed at an inner side of one end of the clamping groove 18, and a second inclined surface 27 matched with the first inclined surface 19 is disposed at one end of the clamping block 17, when the clamping block 17 is ejected and inserted into the clamping groove 18, the second inclined surface 27 of the clamping block 17 contacts and is matched with the first inclined surface 19 on the clamping groove 18 along with the rotation of the sleeve 16, so that the reel 7 is driven to rotate stably.
As shown in fig. 1-3, in order to drive the rotating shaft 10 to rotate, a supporting plate is fixedly arranged between the two sliding blocks 3, a driving motor is installed on the supporting plate, an output shaft of the driving motor and one end of the rotating shaft 10 penetrating through the sliding blocks 3 are connected through a transmission unit 4, and in actual use, the transmission unit 4 can be a belt, that is, belt wheels are fixedly installed on the output shaft of the driving motor and the rotating shaft 10, the belt is sleeved on the two belt wheels, and of course, in actual use, the transmission unit 4 can also be a chain or a gear 9 group and other structures.
The two sliding blocks 3 are fixedly connected through a supporting rod.
In practical use, an annular groove can be formed in the inner side of the sliding block 3, one end of the reel 7 can be inserted into the annular groove and is in running fit with the annular groove, and in addition, a layer of rubber pad can be arranged on the inner wall of the annular groove, so that friction force between the reel 7 and the sliding block 3 is increased, and the rotary shaft 10 can be kept stable under the condition that the reel 7 is not driven to rotate.
A first groove which is in sliding fit with the positioning block 12 is formed in the outer peripheral surface of the rotating shaft 10, a first spring is fixedly arranged between the inner end surface of the first groove and the positioning block 12, a second groove which is in sliding fit with the clamping block 17 is formed in the end surface of the sleeve 16, a second spring is fixedly arranged between the inner end surface of the second groove and the clamping block 17, a sliding groove which is in sliding fit with the sliding plate 13 is formed in the rotating shaft 10, and a supporting spring is fixedly arranged between the inner bottom surface of the sliding groove and the sliding plate 13.
As shown in fig. 6-9, a bar-shaped groove in sliding fit with the balancing weight 20 is formed at the outer peripheral surface of the connecting shaft 30, a limit spring is fixedly arranged between the inner end surface of the bar-shaped groove and the balancing weight 20, a T-shaped groove is formed at the outer peripheral surface of the reel 7, a connecting block 23 and a stop block 22 are slidably arranged in the T-shaped groove, a guide rod is fixedly arranged in the T-shaped groove, the guide rod penetrates through the connecting block 23 and is in sliding fit with the connecting block 23, a third spring is sleeved outside the guide rod and is positioned at one side of the connecting block 23 close to the balancing weight 20 and between the connecting block 23 and the inner wall of the T-shaped groove, in addition, a rectangular groove in sliding fit with the stop block 22 is formed at the end surface of the connecting block 23 close to the lantern ring 11, and a spring is fixedly arranged between the inner end surface of the rectangular groove and the stop block 22, so that elastic connection between the stop block 22 and the connecting block 23 is realized.
In the actual use process, the bottom of the sliding block 3 can be provided with components such as a visual sensor, and the workpiece placement environment in a warehouse can be scanned and modeled through the visual sensor, so that guidance is made for the movement of the sliding block 3 on the guide rail 1, and in addition, the sliding block 3 can be moved to a truck waiting for loading, so that the loading efficiency is improved.
Claims (7)
1. The utility model provides a hoist device for hoist, includes two guide rails, and the sliding is provided with the slider on the guide rail, rotates between two sliders and is provided with the pivot, and the both ends department cover of pivot is equipped with the reel, and is provided with the sleeve pipe between two reels, the outside of pivot, its characterized in that are located to the fixed cover of sleeve pipe: two positioning blocks matched with the reel are elastically arranged on the peripheral surface of the outer side of the rotating shaft, clamping blocks matched with the reel are elastically arranged on the end surfaces of the two ends of the sleeve, and when the two positioning blocks are disengaged from the reel, the clamping blocks are ejected out and connected with the reel, so that the rotating shaft can synchronously drive the two reels to rotate in the rotating process;
the reel is of an annular structure, a positioning groove matched with a positioning block is formed in the inner wall of the reel, and an inclined extrusion surface is formed at one end, far away from the rotating shaft, of the positioning block;
a clamping groove matched with the clamping block is formed in the inner side end face of the reel, the clamping groove is arc-shaped, and the length of the clamping groove is larger than that of the clamping block;
the sliding plate is arranged at the rotating shaft in a sliding manner, the sliding plate is elastically connected with the rotating shaft, a first pull rope is fixedly arranged between the sliding plate and the positioning block, and a second pull rope is fixedly arranged between the sliding plate and the clamping block.
2. The hoisting device for a crane according to claim 1, wherein: the outside rotation cover of reel is equipped with the lantern ring, reel medial surface department rotates and is provided with the connecting axle, and the one end elastic connection that the connecting axle stretched out the reel has the balancing weight, the balancing weight is in one side of connecting axle axis, the outer peripheral face department elastic connection of reel is provided with the connecting block, and the one end elasticity that the connecting block is close to the lantern ring is provided with the dog, a plurality of notches with dog matched with have evenly been seted up to lantern ring inner wall department, the one end that the connecting block was kept away from to the dog is provided with the inclined plane, fixedly provided with connecting rope between balancing weight and the connecting block.
3. The hoisting device for a crane according to claim 2, characterized in that: the gear rings are fixedly sleeved at the two ends of the sleeve, a gear meshed with the gear rings is sleeved at one end of the connecting shaft extending out of the reel, and the gear is matched with the connecting shaft through a one-way bearing.
4. The hoisting device for a crane according to claim 1, wherein: a supporting plate is fixedly arranged between the two sliding blocks, a driving motor is installed on the supporting plate, and an output shaft of the driving motor is connected with one end of the rotating shaft penetrating through the sliding blocks through a transmission unit.
5. The hoisting device for a crane according to claim 2, characterized in that: the outside integrated into one piece of lantern ring has supporting part, and supporting part and slider fixed connection.
6. A hoisting device for a crane according to claim 3, characterized in that: the traction rope is wound on the reel, one end of the traction rope is fixed with the reel, and the other end of the traction rope is provided with a hook.
7. A method of hoisting by using the hoisting device for a crane as claimed in claim 6, comprising the steps of: the sliding block is moved to the upper part of the workpiece to be lifted along the guide rail, and the traction rope is released by driving the reel to rotate; the reverse rotation reel promotes the work piece, and after two locating pieces all stagger with the constant head tank, two the haulage rope is strained and is strutted, and fixture block and draw-in groove cooperate this moment for the pivot can drive the reel rotatory winding haulage rope at rotatory in-process, thereby promotes the work piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410711613.XA CN118270651B (en) | 2024-06-04 | 2024-06-04 | Hoisting device and hoisting method for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410711613.XA CN118270651B (en) | 2024-06-04 | 2024-06-04 | Hoisting device and hoisting method for crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118270651A CN118270651A (en) | 2024-07-02 |
| CN118270651B true CN118270651B (en) | 2024-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410711613.XA Active CN118270651B (en) | 2024-06-04 | 2024-06-04 | Hoisting device and hoisting method for crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118270651B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612982A (en) * | 2013-11-22 | 2014-03-05 | 中联重科股份有限公司 | Load trolley, load trolley amplitude changing system of crane with load trolley and crane |
| CN113387275A (en) * | 2021-08-17 | 2021-09-14 | 江苏华海钢结构有限公司 | Hoisting device for carrying steel structure |
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| FR2659951B1 (en) * | 1990-03-21 | 1992-05-29 | Acb | SYSTEM FOR LIFTING A TWO-DRUM LOAD WORKING IN PARALLEL, SYNCHRONIZED IN ROTATION. |
| CN2697063Y (en) * | 2003-05-13 | 2005-05-04 | 山东省地质探矿机械厂 | Different double-drum jenny |
| CN1785782A (en) * | 2005-11-29 | 2006-06-14 | 太原重型机械集团有限公司 | Lifting mechanism of gantry crane |
| CN204237430U (en) * | 2014-10-25 | 2015-04-01 | 重庆德昂铸造有限公司 | Vehicle bridge hoisting structure |
| CN114715787A (en) * | 2022-03-31 | 2022-07-08 | 湖南三一中型起重机械有限公司 | Crane with a movable crane |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612982A (en) * | 2013-11-22 | 2014-03-05 | 中联重科股份有限公司 | Load trolley, load trolley amplitude changing system of crane with load trolley and crane |
| CN113387275A (en) * | 2021-08-17 | 2021-09-14 | 江苏华海钢结构有限公司 | Hoisting device for carrying steel structure |
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