CN113307149B - Hoisting device and hoisting method for towing pulley - Google Patents
Hoisting device and hoisting method for towing pulley Download PDFInfo
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- CN113307149B CN113307149B CN202110720715.4A CN202110720715A CN113307149B CN 113307149 B CN113307149 B CN 113307149B CN 202110720715 A CN202110720715 A CN 202110720715A CN 113307149 B CN113307149 B CN 113307149B
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- traction rope
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 238000011089 mechanical engineering Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007306 turnover 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
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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
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
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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
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/16—Travelling gear incorporated in or fitted to trolleys or cranes with means for maintaining alignment between wheels and track
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The embodiment of the application provides a hoisting device and a hoisting method of a towing pulley, and relates to the field of mechanical engineering. The hoisting device comprises a clamping mechanism capable of clamping and fixing the hoisting device on the spandrel girder and a winding machine for winding and unwinding the traction rope, two groups of pulley blocks are arranged on the clamping mechanism, one end of the traction rope is connected with the winding machine, the other end of the traction rope is divided into two connecting ropes, each connecting rope is correspondingly wound on one group of pulley blocks respectively, and the pulley blocks are configured to enable the winding machine to be capable of winding and unwinding the connecting ropes through the traction rope when the winding machine is arranged below the clamping mechanism. The lifting device has a simple structure, is not easily limited by space conditions, and can operate at any time and any place according to the needs; the lifting method based on the lifting device is simple to operate, rollover is not easy to occur, lifting is stable, and safety is high.
Description
Technical Field
The application relates to the field of mechanical engineering, in particular to a hoisting device and a hoisting method of a towing pulley.
Background
The bridge crane is hoisting equipment which is arranged above workshops, warehouses and material yards for hoisting materials, and can fully utilize the space below the bridge frame for hoisting the materials without being blocked by ground equipment. Bridge cranes typically comprise two layers of load-bearing beams arranged one above the other and a cable block connected to the cable and provided with guide wheels on which, in operation, the cable block can be run along a specific track on the load-bearing beams of the lower layer to hoist the weights. Under the condition of long-term high-load operation of the bridge crane, the guide wheel of the towing pulley is seriously worn, the bearing is easy to be blocked, and safety accidents are easy to occur, so that the guide wheel needs to be replaced in time.
At present, a towing pulley is generally hoisted by a hoist to enable a guide wheel to leave a track, and then maintenance personnel replace the suspended guide wheel. The method is easily influenced by environmental limitation, and can be carried out only at places with hoist; meanwhile, when the guide wheels are replaced, the bridge crane must stay below the hoist crane, and the use of other equipment can be affected.
In addition, CN207618912U discloses a device for replacing a trolley pulley of a crane towing cable, the device comprising a movable base, a jack and a support, the device being mounted on a spandrel girder on which the towing cable pulley runs in use via the movable base; the jack is fixed on the movable base; the supporting piece is fixed on the jack; the supporting piece is connected with the towing pulley, the towing pulley is fixed with the supporting piece when in use, and the towing pulley fixed with the supporting piece is supported by the jack for replacing the pulley. The device is easy to bear unbalanced force at two ends during working, so that the jack is turned over, and safety accidents are induced.
Disclosure of Invention
In order to solve the problems in the prior art, the embodiment of the application provides a hoisting device and a hoisting method of a towing pulley, wherein the hoisting device has small dead weight, simple structure and simple installation mode, is not easily limited by space conditions, and can operate at any time and any place according to requirements; meanwhile, the lifting device is not easy to turn over during working, stable in lifting and high in safety.
According to the hoisting device, the hoisting device comprises a clamping mechanism capable of clamping and fixing the hoisting device on a spandrel girder and a winding machine for winding and unwinding traction ropes, two groups of pulley blocks are arranged on the clamping mechanism, one end of each traction rope is connected with the winding machine, the other end of each traction rope is divided into two connecting ropes, each connecting rope is correspondingly wound on one group of pulley blocks, and the pulley blocks are configured to enable the winding machine to pull the connecting ropes to ascend through the traction ropes when the winding machine is arranged below the clamping mechanism.
In the technical scheme, the pulley block and the traction rope can be used for stably lifting the heavy object, and when the connecting rope at one end of the traction rope is wound on the pulley block and is pulled upwards, the heavy object connected to the connecting rope can also upwards, so that the lifting of the heavy object is completed. Two groups of pulley blocks are arranged on the clamping mechanism, the clamping mechanism can be fixed on the spandrel girder, and at the moment, when the connecting rope winds the corresponding pulley blocks to lift the heavy object, the lifting device is not easy to roll over, so that the safety is high. The other end of the traction rope is connected with a winding machine, and the winding machine can wind the traction rope when working, so that the heavy object is hoisted. The hoisting device is only provided with the clamping mechanism provided with the pulley block, the traction rope and the winding machine, has a simple structure, is compared with a hoist crane and other devices, can not be limited by space conditions during working, can be installed and disassembled at any time in a small space or a space without the hoist crane and other devices, completes the hoisting of the towing pulley, and performs replacement operation of the towing pulley.
In one possible implementation mode, the clamping mechanism comprises a top plate used for being attached to the spandrel girder, two ends of the top plate are respectively connected with locking plates used for clamping one side of the spandrel girder, the two locking plates are oppositely arranged, locking pieces are arranged on each locking plate, and the two groups of pulley blocks are symmetrically arranged about the central axis of the spandrel girder.
In the technical scheme, the two groups of pulley blocks are symmetrical about the central axis of the spandrel girder, so that rollover is less likely to occur when a heavy object is lifted. The locking piece is arranged on the locking plate, so that the locking plate is favorably fixed on the spandrel girder; the structure that the locking plate is connected at the both ends of roof is similar to draw-in groove structure, more is favorable to fixture locking and fixes on the spandrel girder, can increase hoisting accessory's stability.
In one possible implementation, each set of pulley blocks includes at least two pulleys disposed on the top plate and the locking plate, respectively.
In the technical scheme, the pulleys are arranged on the top plate and the locking plate, so that the weight can be uniformly dispersed on the top plate and the locking plate when the weight is lifted, the service life of the clamping mechanism can be ensured, and the clamping mechanism is not easy to damage.
In one possible implementation, a hydraulic cylinder is provided between the locking plates.
In the technical scheme, the hydraulic cylinder can adjust the length and the distance, and the hydraulic cylinder is arranged between the locking plates to adjust the distance between the locking plates, so that the length of the clamping mechanism can be changed, and the lifting device is applicable to the spandrel girder with different specifications.
In one possible implementation, the pulleys in the pulley block are connected to the clamping mechanism via a base.
In the technical scheme, the pulley block is connected with the clamping mechanism through the base, so that the rotation of the pulley block cannot be influenced, and the pulley block is favorable for lifting the towing pulley.
In one possible implementation manner, the winding machine comprises a motor, a speed reducer and a winding drum, wherein the motor is connected with the speed reducer and can drive the speed reducer to rotate; the speed reducer is connected with the winding drum, can drive the winding drum to rotate, is connected with one end of the traction rope, and can retract and release the traction rope when the winding drum rotates.
In the technical scheme, the motor can drive the connected speed reducer to rotate during operation, the connected winding drum can be driven to rotate during rotation of the speed reducer, the winding drum can wind and unwind the connected traction rope during rotation, and in the winding machine, the motor can realize the winding and unwinding effect of the traction rope, so that the lifting of the towing pulley is completed.
In one possible implementation, the hauling rope is a steel wire rope and the connecting rope is a steel wire rope.
In the technical scheme, the steel wire rope is high in strength and good in toughness, and the steel wire rope is used as the traction rope and the connecting rope and is not easy to damage.
In a second aspect, an embodiment of the present application further provides a streamer pulley hoisting method based on the hoisting device, including the following steps: the clamping mechanism is fixed on the bearing beam above the towing pulley, and the end parts of the connecting ropes are respectively connected with the two sides of the towing pulley after the connecting ropes are wound on the corresponding pulley blocks; starting the winding machine to tighten the traction rope, and lifting the guide wheel through the connecting rope until the guide wheel leaves the track.
In the technical scheme, after the connecting rope is wound on the corresponding pulley block, the end part is connected with the two sides of the towing pulley, the traction rope is tightened through the winding machine, the connecting rope can be tightened at the moment and can drive the towing pulley to move, the pulley block is arranged on the clamping mechanism, the clamping mechanism is fixed on the spandrel girder above the towing pulley, so that the towing pulley can move upwards, namely, the connecting rope can be tightened to lift the towing pulley, and when the towing pulley is lifted to the guide pulley to leave the track, the guide pulley can be replaced. The hoisting device is used for hoisting the towing cable pulley, the operation is simple, the hoisting cable pulley is not easily limited by space conditions, the towing cable pulley can be hoisted at any time even if a hoist is not used, the guide wheel of the towing cable pulley is replaced, meanwhile, the method is not easy to turn on one's side, and the safety of the guide wheel replacement operation is improved.
In one possible implementation, the winder is fixed to the ground below the clamping mechanism.
According to the technical scheme, the winding machine is fixed on the ground below the clamping mechanism, so that operators can finish hoisting of the towing pulley on the ground, the time of high-altitude operation is shortened in the whole operation process of replacing the guide wheel, and the safety of the operation of replacing the guide wheel is improved.
In one possible implementation, a direction guiding wheel for changing the traction rope is further arranged between the clamping mechanism and the winding machine, the guiding wheel is arranged along the central axis of the spandrel girder, and the traction rope is wound on the guiding wheel.
In the technical scheme, the guide wheels arranged along the central axis of the spandrel girder can ensure that the traction rope is tightened along the central axis, so that the towing pulley is not easy to roll over, the safety in the hoisting process is improved, and meanwhile, the direction of the traction rope can be changed by the guide wheels, so that the traction rope on the spandrel girder can be guided to the ground and is connected with the winding machine.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a lifting device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a clamping mechanism with pulley blocks according to an embodiment of the present application;
fig. 3 is a schematic view of the structure of a streamer block in a bridge crane.
Icon: 100-clamping mechanism; 110-top plate; 120-locking plate; 121-locking member; 122-hydraulic cylinder; 200-pulling ropes; 210-connecting a rope; 300-pulley block; 400-winding machine; 410-an electric motor; 420-a speed reducer; 430-winding drum; 500-guiding wheels; 600-spandrel girder; 700-towing pulley; 710—a guide wheel; 720-cable.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Accordingly, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that is commonly put when the product of the application is used, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
The apparatus used did not identify the manufacturer and was a conventional product available for commercial purchase.
First embodiment
Referring to fig. 1, an embodiment of the present application provides a lifting device for lifting a streamer block 700 in a bridge crane for facilitating maintenance of the streamer block 700, such as replacement of a runner 710 of the streamer block 700, the bridge crane generally comprising two layers of spandrel girders 600 arranged one above the other and a streamer block 700 arranged below the spandrel girders 600, the streamer block 700 traveling along a particular track on the underlying spandrel girders 600 by the runner 710. Correspondingly, the lifting device comprises a clamping mechanism 100, a traction rope 200, a winding machine 400 and guide wheels 500, wherein the clamping mechanism 100 can clamp and fix the bearing beam 600, and is particularly fixed on the bearing beam 600 on the upper layer, so that the lifting device can work normally, two groups of pulley blocks 300 are arranged on the clamping mechanism 100, one end of the traction rope 200 is connected with the winding machine 400, the other end of the traction rope 200 is divided into two connecting ropes 210, each connecting rope 210 is correspondingly wound on one group of pulley blocks 300, and the guide wheels 500 are arranged between the clamping mechanism 100 and the winding machine 400.
It should be noted that, in the embodiment of the present application, the pulley block 300 is configured with the connecting rope 210 to achieve the effect of lifting the weight. In this application, the pulley block 300 is divided into two groups, and since the streamer pulley 700 is axisymmetric about the central axis of the spandrel girder 600, when the clamping mechanism 100 is fixed on the spandrel girder 600, the pulley block 300 is axisymmetric about the central axis of the spandrel girder 600, and the connecting ropes 210 are also divided into two groups, and the lengths of the two groups of connecting ropes 210 are the same and axisymmetric about the central axis of the spandrel girder 600. The pulley blocks 300 and the connecting ropes 210 which are matched can ensure the stability of the hoisting device during operation, and because the towing pulley is axisymmetric about the central axis of the spandrel girder 600, when the two pulley blocks 300 and the two connecting ropes 210 are axisymmetric about the central axis of the spandrel girder 600 respectively, the stability of the hoisting device can be increased, so that the hoisting device is less prone to rollover during operation. Furthermore, in this embodiment, the pulleys in the pulley block 300 are fixed to the clamping mechanism 100 by the base, which enables the pulleys to rotate freely, so that the connecting rope 210 changes its direction, increasing the flexibility of the lifting device, which arrangement is similar to the arrangement of freely rotatable wheels in a luggage case.
In order to ensure that the clamping mechanism 100 can clamp and fix on the upper layer of the spandrel girder 600, the clamping mechanism 100 in this embodiment includes a top plate 110, two ends of the top plate 110 are respectively connected with locking plates 120 which are arranged oppositely, the top plate 110 is attached to the top of the spandrel girder 600, the locking plates 120 are attached to two sides of the spandrel girder 600, each locking plate 120 is also provided with a locking piece 121, the locking pieces 121 can be arranged by using a screw and nut, the length of the screw is adjusted to realize the effects of fine adjustment and locking, and the locking plates loaded with the locking pieces 121 can be attached to two sides of the spandrel girder 600 better; in addition, hydraulic cylinders 122 can be further arranged between the locking plates 120, the hydraulic cylinders 122 can adjust the distance between the locking plates 120, and the length of the clamping mechanism 100 can be changed, so that the lifting device is suitable for the spandrel girder 600 with different specifications. When the clamping mechanism 100 is provided with the top plate 110 and the locking plate 120, the pulley block 300 comprises two pulleys, which are respectively connected with the top plate 110 and the locking plate 120 through the base, so that the service life of the clamping mechanism 100 can be ensured, and the clamping mechanism 100 is less prone to damage (see fig. 2).
In addition, in the embodiment of the application, the winding machine 400 includes a motor 410, a speed reducer 420 and a winding drum 430, the winding drum 430 is wound with a traction rope 200, the winding machine 400 can wind and unwind the traction rope 200 through rotation of the winding drum 430, the winding drum 430 is connected with the speed reducer 420, the rotation of the speed reducer 420 can drive the winding drum 430 to rotate, the speed reducer 420 is connected with the motor 410, and when the motor 410 works, the speed reducer 420 can be driven to rotate. The winding machine 400 in this embodiment can control winding and unwinding of the traction rope 200 through the motor 410. Meanwhile, the winding machine 400 in the embodiment of the application can be fixed on the ground below the clamping mechanism 100 and can be controlled by a remote controller, so that operators can finish lifting of the towing pulley 700 on the ground, the time of high-altitude operation is shortened in the working process of the whole lifting device, and the safety is improved to some extent.
In addition, in the present embodiment, the guide wheel 500 is disposed along the central axis of the spandrel girder 600. The guide wheel 500 along the central axis of the spandrel girder 600 can ensure that the traction rope 200 is tightened along the central axis, the lifting device is not easy to rollover during working, the safety in the lifting process is improved, and meanwhile, the guide wheel 500 can also change the direction of the traction rope 200 so as to ensure that the winding machine 400 can also pull the connecting rope 210 to ascend through the traction rope 200 even if being arranged below the clamping mechanism. As an example, the guide wheel 500 in the present application may be a fixed pulley.
The hauling rope 200 and the connecting rope 210 in the embodiment of the application are steel wire ropes, and the steel wire ropes are high in strength, good in toughness and not easy to damage.
The embodiment also provides a towing pulley hoisting method, which comprises the following steps:
firstly, the distance between the locking plates 120 is adjusted by the hydraulic cylinders 122, then the distance is finely adjusted by the locking pieces 121, the clamping mechanism 100 is fixed on the spandrel girder 600 right above the towing pulley 700 by the locking plates 120 and the top plate 110, and the pulley block 300 is kept axisymmetric relative to the central axis of the spandrel girder 600; two connecting ropes 210 separated from one end of the traction rope 200 are respectively wound on the corresponding pulley blocks 300 and fixedly connected with two opposite sides of the towing pulley 700.
The direction of the hauling rope 200 is changed through the guide wheel 500, the other end of the hauling rope 200 is connected with the winding machine 400 fixed on the ground, the winding machine 400 is started, the hauling rope 200 is tightened, and the towing rope pulley 700 is driven to ascend until the guide wheel 710 of the towing rope pulley 700 leaves the track, and the guide wheel 710 connected with the cable 720 can be replaced (see fig. 3).
The method of the embodiment is simple to operate, is not easily limited by space conditions, can hoist the towing winch 700 at any time even if the hoisting winch is not used for hoisting, and can replace the guide wheel 710 of the towing winch 700, meanwhile, the method is not easy to cause rollover of the hoisting device and the towing winch 700, and the safety in operation is improved.
In addition, the hoisting device and the hoisting method in the embodiment are not only suitable for replacing the towing cable pulley in the bridge crane, but also suitable for replacing other crane towing cables so as to complete the replacement of the guide wheels.
The foregoing is merely exemplary embodiments of the present application and is not intended to limit the scope of the present application, and various modifications and variations may be suggested to one skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (8)
1. The hoisting device is characterized by comprising a clamping mechanism capable of clamping and fixing on a bearing beam and a winding machine for winding and unwinding a traction rope, wherein two groups of pulley blocks are arranged on the clamping mechanism, one end of the traction rope is connected with the winding machine, the other end of the traction rope is divided into two connecting ropes, each connecting rope is correspondingly wound on one group of pulley blocks respectively, and the pulley blocks are configured to enable the winding machine to pull the connecting ropes to ascend through the traction rope when being arranged below the clamping mechanism;
the clamping mechanism comprises a top plate for being attached to the spandrel girder, two ends of the top plate are respectively connected with locking plates for clamping one side of the spandrel girder, the two locking plates are oppositely arranged, each locking plate is provided with a locking piece, and the two groups of pulley blocks are symmetrically arranged relative to the central axis of the spandrel girder;
the winding machine is characterized in that a direction guide wheel for changing the traction rope is further arranged between the clamping mechanism and the winding machine, the guide wheel is arranged along the central axis of the spandrel girder, and the traction rope is wound on the guide wheel.
2. The lifting device of claim 1, wherein each set of pulley blocks comprises at least two pulleys disposed on the top plate and the locking plate, respectively.
3. Hoisting device according to claim 1, characterized in that hydraulic cylinders are arranged between the locking plates.
4. Hoisting device according to claim 1 or 2, characterized in that the pulleys in the pulley block are connected with the clamping mechanism via a base.
5. The hoisting device of claim 1, wherein the winding machine comprises a motor, a speed reducer and a winding drum, and the motor is connected with the speed reducer and can drive the speed reducer to rotate; the speed reducer is connected with the winding drum and can drive the winding drum to rotate, the winding drum is connected with one end of the traction rope, and the traction rope can be wound and unwound when the winding drum rotates.
6. The lifting device of claim 1, wherein the haulage rope is a wire rope and the connecting rope is a wire rope.
7. A streamer trolley lifting method based on a lifting device as claimed in any one of claims 1 to 6, comprising the steps of:
the clamping mechanism is clamped and fixed on a spandrel girder above the towing pulley, and the end parts of the connecting ropes are respectively connected with the two sides of the towing pulley after the connecting ropes are wound on the corresponding pulley blocks;
and starting the winding machine to tighten the hauling rope, and lifting the towing rope pulley through the connecting rope until the guide wheel of the towing rope pulley leaves the track.
8. The streamer trolley lifting method of claim 7 wherein the reel is secured to the ground below the gripping mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110720715.4A CN113307149B (en) | 2021-06-28 | 2021-06-28 | Hoisting device and hoisting method for towing pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110720715.4A CN113307149B (en) | 2021-06-28 | 2021-06-28 | Hoisting device and hoisting method for towing pulley |
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| Publication Number | Publication Date |
|---|---|
| CN113307149A CN113307149A (en) | 2021-08-27 |
| CN113307149B true CN113307149B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110720715.4A Active CN113307149B (en) | 2021-06-28 | 2021-06-28 | Hoisting device and hoisting method for towing pulley |
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| CN (1) | CN113307149B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4620692A (en) * | 1984-10-31 | 1986-11-04 | Nl Industries, Inc. | Crown block compensator |
| CN205222497U (en) * | 2015-11-17 | 2016-05-11 | 鞍钢股份有限公司 | Device is changed to crane tow -cable coaster |
| CN207566779U (en) * | 2017-11-16 | 2018-07-03 | 马鞍山钢铁股份有限公司 | A kind of towing cable coaster quick replacement device |
| CN207618912U (en) * | 2017-11-10 | 2018-07-17 | 武汉钢铁有限公司 | A kind of device for replacing overhead traveling crane towing cable pulley sheave |
| CN209210255U (en) * | 2018-10-29 | 2019-08-06 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of swivel bearing of continuous casting machine revolving platform more changing device |
| CN111824991A (en) * | 2020-06-24 | 2020-10-27 | 新兴铸管股份有限公司 | Motor hoisting device |
-
2021
- 2021-06-28 CN CN202110720715.4A patent/CN113307149B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4620692A (en) * | 1984-10-31 | 1986-11-04 | Nl Industries, Inc. | Crown block compensator |
| CN205222497U (en) * | 2015-11-17 | 2016-05-11 | 鞍钢股份有限公司 | Device is changed to crane tow -cable coaster |
| CN207618912U (en) * | 2017-11-10 | 2018-07-17 | 武汉钢铁有限公司 | A kind of device for replacing overhead traveling crane towing cable pulley sheave |
| CN207566779U (en) * | 2017-11-16 | 2018-07-03 | 马鞍山钢铁股份有限公司 | A kind of towing cable coaster quick replacement device |
| CN209210255U (en) * | 2018-10-29 | 2019-08-06 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of swivel bearing of continuous casting machine revolving platform more changing device |
| CN111824991A (en) * | 2020-06-24 | 2020-10-27 | 新兴铸管股份有限公司 | Motor hoisting device |
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| CN113307149A (en) | 2021-08-27 |
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