CN214167162U - Self-adaptive cable wind system of cable crane - Google Patents
Self-adaptive cable wind system of cable crane Download PDFInfo
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- CN214167162U CN214167162U CN202023037156.7U CN202023037156U CN214167162U CN 214167162 U CN214167162 U CN 214167162U CN 202023037156 U CN202023037156 U CN 202023037156U CN 214167162 U CN214167162 U CN 214167162U
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Abstract
The application discloses self-adaptation cable wind system of cable formula hoist relates to pylon cable wind technical field, and self-adaptation cable wind system includes: a tower; the cable wind equipment comprises a front cable wind mechanism and a rear cable wind mechanism, wherein the front cable wind mechanism and the rear cable wind mechanism are oppositely arranged on two sides of the tower in the bridge direction; meanwhile, the upper ends of the front cable wind mechanism and the rear cable wind mechanism are both arranged on the tower frame, and the lower ends of the front cable wind mechanism and the rear cable wind mechanism are anchored; the driving equipment is arranged on the same side as the front cable fan mechanism and comprises a front driving mechanism and a rear driving mechanism; the front driving mechanism is connected with the front cable fan mechanism and is used for driving the front cable fan mechanism to pull the tower forward; the rear drive mechanism includes: -a hoisting cable connected to the free end of the rear windage mechanism; -a spreader connected to the hoisting cable. The tower top unbalance horizontal force peak value along the bridge direction can be reduced, the horizontal offset of the tower is reduced, the structure is simple, the stress is clear, and the cost is saved.
Description
Technical Field
The application relates to the technical field of tower cable wind, in particular to a self-adaptive cable wind system of a cable crane.
Background
In a cable crane, a tower serves as a main bearing structure, a main cable serves as a main external load and is applied to a cable saddle at the top end of the tower, the horizontal inclination angle of the main cable on a side span is far larger than that of the main cable on a midspan, the external load borne by the tower is unbalanced horizontal load besides vertical load, and a rear cable wind mechanism for connecting the tower and a cable wind anchor is generally arranged in order to ensure that the strength of the tower and the horizontal deviation of the tower top meet requirements.
The main cable force varies greatly under different working conditions of no load and heavy load, which also results in a large variation of the unbalance level force acting on the tower top. In the related art, the unbalanced horizontal force on the tower top is often adjusted by adopting a unidirectional rear cable wind mechanism, which needs to provide strong pulling force for the rear cable wind mechanism independently, consumes more facility materials, and has the defect that the tower cannot be adjusted bidirectionally.
Disclosure of Invention
The embodiment of the application provides a self-adaptive cable wind system of a cable crane, which aims to solve the problems that in the prior art, the unbalanced horizontal force at the top of a tower is large, more construction facilities need to be consumed, and the unbalanced horizontal force cannot be adjusted in two directions.
The embodiment of the application provides a self-adaptation cable wind system of cable crane, includes:
a tower;
the cable wind equipment comprises a front cable wind mechanism and a rear cable wind mechanism, wherein the front cable wind mechanism and the rear cable wind mechanism are oppositely arranged on two sides of the tower in the bridge direction; meanwhile, the upper ends of the front cable wind mechanism and the rear cable wind mechanism are both arranged on the tower frame, and the lower ends of the front cable wind mechanism and the rear cable wind mechanism are anchored;
the driving equipment is arranged on the same side of the front cable fan mechanism and comprises a front driving mechanism and a rear driving mechanism; the front driving mechanism is connected with the front cable fan mechanism and is used for driving the front cable fan mechanism to pull the tower forwards; the rear drive mechanism includes:
-a hoisting cable connected to a free end of the rear cable mechanism;
-a spreader connected to the hoisting cable; when the lifting appliance lifts a load, the lifting rope is pulled and drives the rear cable wind mechanism to pull the tower backwards.
In some embodiments, the front drive mechanism comprises:
the traction cable is connected with the free end of the front cable wind mechanism;
and the front driving component is connected with the traction cable and is used for tensioning the traction cable, so that the traction cable is pulled and drives the front cable wind mechanism to pull the tower forwards.
In some embodiments, the front driving component comprises a hoist and a crown block, the crown block is connected with the hoist through the traction cable, and the hoist is used for retracting the traction cable so as to move the traction cable and drive the crown block to approach or move away from the tower.
In some embodiments, further comprising:
and the cable wind anchor ingot is connected with the lower ends of the front cable wind mechanism and the rear cable wind mechanism in an anchoring manner.
In some embodiments, the tower comprises a main tower and a cable saddle arranged at the top end of the main tower, the traction cable is connected with the front cable mechanism through the main tower, and the hoisting cable is connected with the rear cable mechanism through the cable saddle.
In some embodiments, the front cable mechanism specifically includes:
the first fixed pulley block is fixedly arranged on the cable wind anchor ingot;
the second fixed pulley block is fixedly arranged on the main tower;
the first guy rope is wound on the first fixed pulley block and the second fixed pulley block; the upper end of the first guy rope is connected with the traction rope, and the lower end of the first guy rope is fixedly arranged.
In some embodiments, the rear cable wind mechanism specifically includes:
the third fixed pulley block is fixedly arranged on the cable wind anchor ingot;
the fourth fixed pulley block is fixedly arranged on the main tower;
a steering wheel fixedly arranged on the cable saddle;
the second guy rope is wound on the third fixed pulley block and the fourth fixed pulley block; the upper end of the second guy rope penetrates through the steering wheel to be connected with the hoisting cable, and the lower end of the second guy rope is fixedly arranged.
The beneficial effects that technical scheme that this application embodiment provided brought include: the horizontal unbalanced load can be reduced along the bridge direction, the horizontal offset of the tower is reduced, the peak value of the unbalanced horizontal force on the top of the tower is reduced, the structure is simple, the stress is clear, the quantity of cable wind is reduced, and the cost is saved.
The embodiment of the application provides a self-adaptive cable wind system of a cable crane, wherein a front cable wind mechanism and a rear cable wind mechanism are oppositely arranged on two sides of a tower frame along a bridge direction, and the front cable wind mechanism and the rear cable wind mechanism are respectively driven by a front driving mechanism and a rear driving mechanism to adjust the offset of the tower frame so as to reduce the offset displacement of the tower top of the tower frame, reduce unbalanced horizontal load along the bridge direction and reduce the peak value of unbalanced horizontal force on the tower top of the tower frame; meanwhile, the rear driving mechanism consists of a hoisting cable and a lifting appliance in the existing cable crane, no additional construction facilities are needed, the hoisting cable is pulled to enable the rear cable wind mechanism to pull the tower when the lifting appliance lifts the load, and the rear driving mechanism is simple in structure, clear in stress and cost-saving.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of an adaptive cable wind system of a cable crane according to an embodiment of the present disclosure;
in the figure: 1. a front cable wind mechanism; 11. a first fixed pulley block; 12. a second fixed pulley block; 13. a first guy rope; 2. a rear cable wind mechanism; 21. a third fixed pulley block; 22. a fourth fixed pulley block; 23. a steering wheel; 24. a second guy rope; 3. a traction cable; 4. hoisting cables; 5. mooring a windy anchor; 6. a tower; 61. a main tower; 62. a cable saddle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in 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 obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a self-adaptation cable wind system of cable crane, it can be in the same direction as the bridge to upwards reduce unbalanced horizontal load, reduce the horizontal offset of pylon, reduce the peak value of the unbalanced horizontal force in pylon top of the tower, and simple structure, atress are clear and definite, reduce cable wind quantity, practice thrift the cost.
Referring to fig. 1, an embodiment of the present application provides an adaptive cable wind system of a cable crane, including:
a tower 6;
the cable wind equipment comprises a front cable wind mechanism 1 and a rear cable wind mechanism 2, wherein the front cable wind mechanism 1 and the rear cable wind mechanism 2 are oppositely arranged on two sides of the tower 6 in the bridge direction; meanwhile, the upper ends of the front cable wind mechanism 1 and the rear cable wind mechanism 2 are both arranged on the tower 6, and the lower ends are anchored;
the driving device is arranged on the same side of the front cable wind mechanism 1 and comprises a front driving mechanism and a rear driving mechanism; the front driving mechanism is connected with the front cable fan mechanism and is used for driving the front cable fan mechanism 1 to pull the tower 6 forwards; the rear drive mechanism includes:
a hoisting cable 4 connected to the free end of the rear cable mechanism 2;
-a spreader connected to said hoisting cable 4; when the lifting appliance lifts a load, the lifting rope 4 is pulled and drives the rear cable wind mechanism 2 to pull the tower 6 backwards.
The embodiment of the application provides a self-adaptation cable wind system of cable crane, and its theory of operation is:
in the forward bridge direction, the tower 6 is used as a boundary of a midspan and a side span, the side of the tower, which is the same as the front cable wind mechanism 1, is a midspan area, the side of the tower, which is the same as the rear cable wind mechanism 2, is a side span area, and when the tower 6 is located on the boundary, the tower is located at a balance position;
when the lifting appliance is in no-load, the tower 6 is in a balance position; after the lifting appliance lifts a load, the tower 6 deflects to a midspan area, at the moment, a lifting cable 4 connected with the lifting appliance is in a tension state, the lifting cable 4 is connected with the free end of the rear cable wind mechanism 2, the lifting cable 4 tensions the rear cable wind mechanism 2, and when the rear cable wind mechanism 2 is in the tension state, the rear cable wind mechanism 2 has a backward pulling force on the tower 6, so that the tower 6 can be pulled backwards, and the condition that the deviation amount of the tower 6 from the midspan exceeds the allowable deviation amount is avoided. So that the tower top of the tower 6 moves from the midspan area to the side span area, the offset displacement of the tower top is reduced, and the peak value of the unbalanced horizontal force of the tower top of the tower 6 is also reduced, namely the aim of controlling the reduction of the offset of the tower top by a lifting appliance and a lifting cable 4 in a cable crane is realized. In the present embodiment, the offset displacement refers to a displacement difference in which the displacement deviates from the equilibrium position.
In this embodiment, the front cable mechanism 1 and the rear cable mechanism 2 are disposed on opposite sides, and when the tower 6 is displaced to the side span region or tends to be displaced to the side span region, the front driving mechanism drives the front cable mechanism 1 to pull the tower 6 forward.
Further, the front drive mechanism includes:
the traction cable 3 is connected with the free end of the front cable wind mechanism 1;
and the front driving component is connected with the traction cable 3 and is used for tensioning the traction cable 3, so that the traction cable 3 is pulled and drives the front cable wind mechanism 1 to pull the tower 6 forwards, and the offset of the tower 6 towards the side span is prevented from exceeding the allowable offset.
In this embodiment, the front cable wind mechanism 1 and the rear cable wind mechanism 2 are oppositely arranged on two sides of the tower 6 in the bridge-following direction, the free ends of the front cable wind mechanism 1 and the rear cable wind mechanism 2 are respectively connected with the existing traction cable 3 and the existing hoisting cable 4, the corresponding front cable wind mechanism 1 and the corresponding rear cable wind mechanism 2 are further controlled by the tension on the traction cable 3 and the hoisting cable 4, and the tower 6 is pulled by the front cable wind mechanism 1 or the rear cable wind mechanism 2, so that the offset displacement of the tower top of the tower 6 is reduced, unbalanced horizontal load can be reduced in both directions in the bridge-following direction, and the peak value of unbalanced horizontal force on the tower top of the tower 6 is reduced.
Furthermore, the front driving component comprises a hoist and a crown block, the crown block is connected with the hoist through the traction cable 3, and the hoist is used for retracting the traction cable 3, so that the traction cable 3 moves and drives the crown block to be close to or far away from the tower 6.
In this embodiment, the front driving member includes an existing winch and a crown block, the winch receives and releases the traction cable 3 and drives the crown block to approach or leave the tower 6, when the crown block approaches the tower 6, the resultant force of the main cable on the tower 6 moves in the side span direction, the tower 6 has a tendency of shifting backwards, at this time, the traction cable 3 is in tension, and when the crown block approaches the tower 6, the tension on the traction cable 3 is larger, and the front cable wind mechanism 1 acts to counteract or reduce the unbalanced horizontal load backwards at the top end of the tower, so that the tower 6 is restored to a balanced position, and the offset displacement of the top of the tower 6 is reduced.
Further, the wind cable anchoring device further comprises a wind cable anchoring ingot 5, and the wind cable anchoring ingot 5 is connected with the lower ends of the front wind cable mechanism 1 and the rear wind cable mechanism 2 in an anchoring mode. In this embodiment, the windlass anchors 5 are not limited to one area, and are provided in different numbers or at different positions according to actual requirements, so as to stably connect the lower ends of the front and rear windlasses 1 and 2.
Further, the tower 6 includes a main tower 61 and a cable saddle 62 provided at a top end of the main tower 61, the traction cable 3 is connected to the front wind turbine 1 through the main tower 61, and the hoisting cable 4 is connected to the rear wind turbine 2 through the cable saddle 62. In this embodiment, the cable wind device is divided into the front cable wind mechanism 1 and the rear cable wind mechanism 2, wherein the front cable wind mechanism 1 is disposed on the same side as the driving device, and the rear cable wind mechanism 2 is disposed on the opposite side from the driving device, so that the rear cable wind mechanism 2 needs to cross the tower 6, and therefore the rear cable wind mechanism 2 is connected to the hoisting cable 4 through the cable saddle 62, the layout of the cable wind device is more reasonable, and the cable wind device does not interfere with the front cable wind mechanism 1.
Further, the front wind turbine mechanism 1 specifically includes:
the first fixed pulley block 11 is fixedly arranged on the cable wind anchor 5;
the second fixed pulley block 12 is fixedly arranged on the main tower 61;
the first guy rope 13 is wound on the first fixed pulley block 11 and the second fixed pulley block 12; the upper end of the first guy rope 13 is connected with the traction rope 3, and the lower end is fixedly arranged.
In this embodiment, the first fixed pulley block 11 and the second fixed pulley block 12 are arranged oppositely, the first guy rope 13 is wound around the first fixed pulley block 11 and the second fixed pulley block 12, one end of the first guy rope 13 is fixedly arranged, the other end of the first guy rope 13 is used as a free end, extends out of the second fixed pulley block 12 and is connected with the traction cable 3, and the tension force on the traction cable 3 is transmitted to the first guy rope 13, so that the first guy rope 13 in the front guy mechanism 1 is tensioned.
Further, the rear cable wind mechanism 2 specifically includes:
the third fixed pulley block 21 is fixedly arranged on the cable wind anchor 5;
the fourth fixed pulley block 22 is fixedly arranged on the main tower 61;
a steering wheel 23 fixed to the saddle 62;
the second guy rope 24 is wound on the third fixed pulley block 21 and the fourth fixed pulley block 22; the upper end of the second guy cable 24 passes through the steering wheel 23 to be connected with the hoisting cable 4, and the lower end is fixedly arranged.
In this embodiment, the rear mooring mechanism 2 is similar to the front mooring mechanism 1, except that a steering wheel 23 is further provided at the top of the cable saddle 62 in the rear mooring mechanism 2, and the free end of the second mooring rope 24 passes through the fourth crown block 22, then passes through the steering wheel 23 forward, and extends out of the steering wheel 23 to be connected with the hoisting cable 4. On the premise that the hoisting cable 4 and the lifting appliance are both existing facilities, the hoisting cable 4 is connected with the second cable wind rope 24, the lifting appliance and the hoisting cable 4 in the cable crane are used as parts for driving the rear cable wind mechanism 2, no special rear driving mechanism is needed, and consumables are saved.
The embodiment of the application also provides a use method of the self-adaptive cable wind system of the cable crane, which comprises the following steps:
the lifting appliance lifts a load, the lifting cable 4 is pulled and drives the rear cable wind mechanism 2 to pull the tower 6 backwards;
the front driving mechanism drives the front cable wind mechanism 1 to pull the tower 6 forwards.
In the embodiment of the present application, according to the offset direction of the tower 6, the front driving mechanism and the rear driving mechanism drive the corresponding front cable mechanism 1 and the corresponding rear cable mechanism 2 to pull the tower 6, and both the front and rear directions along the bridge direction can act to reduce the offset displacement of the tower top. The key point of the embodiment is that the rear driving mechanism is an existing construction facility; when the spreader is empty, the tower 6 is in a balanced position; after the hanger lifts a load, the tower 6 deflects to a midspan area, at this time, a hoisting cable 4 connected with the hanger is in a tension state, the hoisting cable 4 is connected with the free end of the rear cable wind mechanism 2, the hoisting cable 4 tensions the rear cable wind mechanism 2, and when the rear cable wind mechanism 2 is in a tension state, the rear cable wind mechanism 2 has a backward tension on the tower 6, so that the tower 6 can be pulled backward, the tower top of the tower 6 moves from the midspan area to the side span area, the offset displacement of the tower top is reduced, and the peak value of the unbalanced horizontal force of the tower top of the tower 6 is also reduced, namely, the purpose of controlling the reduction of the tower top deflection through the hanger and the hoisting cable 4 in the cable crane is realized.
Specifically, the front driving mechanism comprises a traction rope 3 and a front driving component, and the specific steps of the front driving mechanism driving the front cable mechanism 1 to pull the tower 6 forwards comprise:
the front driving mechanism stretches the traction cable 3, the traction cable 3 is pulled and drives the front wind cable mechanism 1 to pull the tower 6 forwards.
In this embodiment, the front cable wind mechanism 1 and the rear cable wind mechanism 2 are respectively connected to the existing traction cable 3 and hoisting cable 4, and the tower 6 is pulled by controlling the corresponding front cable wind mechanism 1 and rear cable wind mechanism 2 through the pulling force on the traction cable 3 and hoisting cable 4, so that the unbalanced horizontal load can be reduced in both directions along the bridge direction, and the peak value of the unbalanced horizontal force at the top of the tower 6 can be reduced.
Specifically, the front guy cable mechanism 1 specifically comprises a first fixed pulley block 11, a second fixed pulley block 12 and a first guy cable 13, and the front driving mechanism comprises a winch and a crown block; the front driving mechanism stretches the traction cable 3, the traction cable 3 is pulled and drives the front cable wind mechanism 1 to pull the tower 6 forwards, and the concrete steps of the front driving mechanism are as follows:
the winch receives and releases the traction cable 3, and the traction cable 3 moves and drives the crown block to be close to or far away from the tower 6; meanwhile, the traction rope 3 is pulled and tensions the front windlass mechanism 1, and the front windlass mechanism 1 is tensioned and pulls the tower 6 forwards.
In this embodiment, the front driving member includes an existing winch and a crown block, the winch receives and releases the traction cable 3 and drives the crown block to approach or leave the tower 6, when the crown block approaches the tower 6, the resultant force of the main cable on the tower 6 moves in the side span direction, the tower 6 has a tendency of shifting backwards, at this time, the traction cable 3 is in tension, and when the crown block approaches the tower 6, the tension on the traction cable 3 is larger, and the front cable wind mechanism 1 acts to counteract or reduce the unbalanced horizontal load backwards at the top end of the tower, so that the tower 6 is restored to a balanced position, and the offset displacement of the top of the tower 6 is reduced.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An adaptive cable wind system for a cable crane, comprising:
a tower (6);
the cable wind equipment comprises a front cable wind mechanism (1) and a rear cable wind mechanism (2), wherein the front cable wind mechanism (1) and the rear cable wind mechanism (2) are oppositely arranged on two sides of the tower (6) in the direction of the bridge; meanwhile, the upper ends of the front cable wind mechanism (1) and the rear cable wind mechanism (2) are both arranged on the tower frame (6), and the lower ends are both anchored;
the driving device is arranged on the same side of the front cable wind mechanism (1) and comprises a front driving mechanism and a rear driving mechanism; the front driving mechanism is connected with the front cable wind mechanism and is used for driving the front cable wind mechanism (1) to pull the tower (6) forwards; the rear drive mechanism includes:
-a hoisting cable (4) connected to a free end of the rear wind mechanism (2);
-a spreader connected to the hoisting cable (4); when the lifting appliance lifts a load, the lifting rope (4) is pulled and drives the rear cable wind mechanism (2) to pull the tower (6) backwards.
2. The adaptive cable wind system of a cable crane of claim 1, wherein the front drive mechanism comprises:
the traction cable (3) is connected with the free end of the front cable wind mechanism (1);
the front driving component is connected with the traction cable (3) and used for tensioning the traction cable (3) so as to pull the traction cable (3) and drive the front cable wind mechanism (1) to pull the tower (6) forwards.
3. An adaptive cable system for a cable crane according to claim 2, wherein the front drive means comprises a hoist and a crown block, the crown block being connected to the hoist by the tow cable (3), the hoist being adapted to unwind the tow cable (3) to move the tow cable (3) and move the crown block towards or away from the tower (6).
4. The adaptive cable wind system of a cable crane of claim 3, further comprising:
and the cable wind anchor (5) is in anchoring connection with the lower ends of the front cable wind mechanism (1) and the rear cable wind mechanism (2).
5. The adaptive cable wind system of the cable crane according to claim 4, wherein the tower (6) comprises a main tower (61) and a cable saddle (62) arranged at the top end of the main tower (61), the traction cable (3) is connected with the front cable wind mechanism (1) through the main tower (61), and the hoisting cable (4) is connected with the rear cable wind mechanism (2) through the cable saddle (62).
6. The adaptive cable wind system of a cable crane according to claim 5, characterized in that the front cable wind mechanism (1) comprises in particular:
a first fixed pulley block (11) fixedly arranged on the cable wind anchor (5);
a second fixed pulley block (12) fixedly arranged on the main tower (61);
the first guy rope (13) is wound on the first fixed pulley block (11) and the second fixed pulley block (12); the upper end of the first guy rope (13) is connected with the traction rope (3), and the lower end is fixedly arranged.
7. The adaptive cable wind system of a cable crane according to claim 5, characterized in that the rear cable wind mechanism (2) comprises in particular:
a third fixed pulley block (21) fixedly arranged on the cable wind anchor (5);
a fourth fixed pulley group (22) fixedly arranged on the main tower (61);
a steering wheel (23) fixedly arranged on the cable saddle (62);
the second guy rope (24) is wound on the third fixed pulley block (21) and the fourth fixed pulley block (22); the upper end of the second guy rope (24) penetrates through the steering wheel (23) to be connected with the hoisting rope (4), and the lower end of the second guy rope is fixedly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023037156.7U CN214167162U (en) | 2020-12-15 | 2020-12-15 | Self-adaptive cable wind system of cable crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023037156.7U CN214167162U (en) | 2020-12-15 | 2020-12-15 | Self-adaptive cable wind system of cable crane |
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| CN214167162U true CN214167162U (en) | 2021-09-10 |
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| CN202023037156.7U Active CN214167162U (en) | 2020-12-15 | 2020-12-15 | Self-adaptive cable wind system of cable crane |
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