CN220341888U - Cable lifting and releasing device - Google Patents

Abstract

The application provides a cable lifting and releasing device, which comprises a support frame, a cable fixing assembly and a storage mechanism, wherein the cable fixing assembly comprises a winding rope and a fixer, the winding rope is used for winding on the fixer, and the fixer and the winding rope are used for sleeving the peripheral wall of a cable; the storage mechanism comprises a supporting seat and a storage component, wherein the supporting seat is fixed on the supporting frame, the storage component is arranged on the supporting seat, the winding rope is connected with the storage component, and the storage component rotates relative to the supporting seat so as to drive the fixer and the winding rope to fix the cable and enable the cable to ascend or descend through storing or releasing the winding rope. The utility model provides a cable is carried and is put device, holds around the hand with cable fixing replacement staff through cable fixation subassembly, and receiving mechanism is to the accomodating of winding rope adjusting cable height simultaneously, has realized the accurate regulation of cable height, has reduced the construction degree of difficulty, has improved cable laying and maintenance efficiency and construction safety.

Description

Cable lifting and releasing device

Technical Field

The application relates to the technology of power distribution devices, in particular to a cable lifting and releasing device.

Background

In power distribution engineering construction, cabling is used as a basis in the construction process, and cables are required for electric system equipment to achieve voltage transmission and voltage transmission.

In the existing cable laying or maintenance repair process, the laying and positioning of the cable are often carried out by grasping and dragging the cable by hands while the laying and positioning of the cable are assisted.

When the cable end needs to be positioned to a high position, the cable position is unstable due to the fact that the arm is tremble or the person moves when the cable end is gripped by a person, and even the cable end cannot reach the high position, so that the cable laying or maintenance efficiency is affected.

Disclosure of Invention

In view of this, the application provides a cable lifting and releasing device for solve the problem that cable end can't accurately adjust its height in the cable laying or maintenance rush repair process.

In order to achieve the above purpose, the present application provides a cable lifting and releasing device, which adopts the following technical scheme:

the application provides a cable is carried and is put device includes:

a support frame;

the cable fixing assembly comprises a winding rope and a fixer, wherein the winding rope is used for winding on the fixer, and the fixer and the winding rope are used for sleeving the cable peripheral wall;

the storage mechanism comprises a supporting seat and a storage component, wherein the supporting seat is fixed on the supporting frame, the storage component is arranged on the supporting seat, the winding rope is connected with the storage component, the storage component rotates relative to the supporting seat, and the winding rope is stored or released to drive the fixer and the winding rope to fix the cable and enable the cable to ascend or descend.

Through above-mentioned technical scheme, when needs promote the cable to appointed height, the winding rope is around establishing at the outer wall of cable and weave at the both ends of fixer so that the cable bindes between winding rope and fixer, accomodate the subassembly and will wind the winding rope and do not wind cable department fixedly and accomodate the winding rope afterwards, along with the continuous accomodating of winding rope, the cable rises along with the fixer, accomodate the subassembly and stop accomodating when rising to appointed height, the fixed position of cable has realized the accurate regulation of cable height, the construction degree of difficulty has been reduced, cabling and maintenance efficiency have been improved greatly.

Optionally, the storage assembly includes:

the storage roller is horizontally arranged and rotationally connected to the supporting seat, and the winding rope is fixed on the storage roller;

and the rotating wheel is coaxially fixed with the storage roller.

Here, the diameter of runner is greater than the diameter of collecting roller, and the structure that is responsible for receiving the winding rope is collecting roller, and staff accessible rotates the runner and drives the collecting roller and rotate, improves the rolling speed, guarantees the effective acting when the winding rope.

Optionally, a suspension member is arranged on the storage roller, and the suspension member is fixedly connected with the winding rope.

The mode for fixing the winding rope is not limited, and can be in connection modes of hanging, buckling, binding and the like.

Optionally, the supporting seat includes two backup pads, two the backup pad interval sets up and fixes on the support frame, the receiving roll inserts and establishes between two the backup pad.

Here, the both ends of accomodating the roller rotate respectively and connect in two backup pads, and two backup pads have guaranteed the steady support of accomodating the roller, and the runner rotates to be connected in a backup pad, has guaranteed the holistic rolling stability of accomodating the subassembly.

Optionally, the storage assembly further includes a handle, and the handle is disposed on the rotating wheel.

The preferred connection mode between the handle and the rotating wheel is rotary connection, friction is reduced, and rotary smoothness is improved.

Through above-mentioned technical scheme, when accomodating the subassembly and accomodating winding rope, handheld handle drives the runner and rotates, and the runner drives the storage roller and rotates, and the storage roller drives winding rope winding on self perisporium, and two backup pads are spacing to the winding rope on the storage roller, have realized accomodating winding rope, easy operation is high-efficient.

Optionally, the storage mechanism further includes a limiting component, the limiting component includes:

the limiting holes are formed in a plurality of positions Kong Kaishe on the rotating wheel, are positioned on the same circumference and are uniformly arranged at intervals;

the jack is arranged on the supporting plate close to the rotating wheel;

the lock pin is inserted into the insertion hole and any one of the limiting holes so as to limit the rotation of the rotating wheel.

Through above-mentioned technical scheme, need stop the accomodating of winding rope when the cable promotes to appointed height, adjust spacing hole to be linked together with the jack, the lockpin inserts simultaneously in spacing hole and jack, runner and backup pad relatively fixed this moment, accomodate the roller and stop rotating, realized the instant stop that winding rope accomodated. Similarly, when the winding rope is released, the lock pin is pulled out of the jack and the limiting hole, so that the relative fixation of the rotating wheel and the supporting plate can be released, the winding rope can be released by reversely rotating the rotating wheel, and the lock pin can be reinserted when the rotating wheel is required to be fixed again.

Optionally, the fixer comprises a first connecting piece and a second connecting piece, the first connecting piece is provided with a first hasp part, the second connecting piece is provided with a second hasp part, and the first hasp part and the second hasp part are in matched lap joint to realize the opening and closing of the first connecting piece and the second connecting piece.

Through the technical scheme, when the fixer is required to be dismounted from the cable, the snap fit between the first snap part and the second snap part is released to realize dismounting, and the first snap part and the second snap part are mutually overlapped and opened and closed, so that the dismounting efficiency of the fixer is improved.

Optionally, the first connecting piece further has a first winding portion, the second connecting piece further has a second winding portion, and the first winding portion and the second winding portion each include a plurality of winding rods for winding the winding rope, and the winding rods are arranged at intervals.

Optionally, the first winding part and the second winding part are both provided with threading grooves, and each winding rod is respectively fixed in the threading grooves of the first winding part and the second winding part.

Optionally, the first connecting piece and the second connecting piece are provided with through holes for the winding ropes to pass through, and the through holes are communicated with the threading grooves.

Through the technical scheme, when the cable is required to be fixed on the fixer, the fixer is attached to the cable, the winding rope is wound on one winding rod of the first connecting piece, then the outer wall of the cable is wound on one winding rod of the second connecting piece, the outer wall of the cable is wound on one winding rod of the first connecting piece again, the above actions are repeated, the cable is bound on the fixer by the winding rope, the relative fixation of the cable and the fixer is realized, the hand holding is avoided, the labor cost is reduced, the operation efficiency is improved, and the personnel safety is ensured.

The cable lifting and releasing device provided by the application ensures the stability of the device by arranging the supporting frame to serve as the support of the whole set of cable lifting and releasing device, and simultaneously is provided with a cable fixing assembly for fixing cables and a storage mechanism for lifting the heights of the cables. Wherein, cable fastening assembly includes winding rope and fixer, and storage mechanism includes supporting seat and storage assembly, bindes the cable on the fixer through winding rope, and the department of not binding the cable with winding rope is fixed on storage mechanism simultaneously, has avoided the staff of cable to grab and has held up, has ensured the security that promotes stability and staff.

Meanwhile, the storage assembly comprises a storage roller and a rotating wheel which are relatively fixed, the winding rope is fixed on the storage roller, the storage roller is driven to store the winding rope through rotation of the rotating wheel, storage or release of the winding rope is achieved, convenience in cable height adjustment is improved, the storage assembly is more excellent, a handle is arranged on the rotating wheel, a person rotates the rotating wheel through the handle, and operation is simple and efficient.

In addition, the storage mechanism further comprises a limiting component used for limiting the rotation of the rotating wheel. The limiting assembly comprises a limiting hole formed in the rotating wheel, a jack formed in the supporting plate and a lock pin for simultaneously inserting the limiting hole and the jack, the rotating wheel and the supporting plate are relatively fixed at the jack through the lock pin in a limiting mode through the appointed limiting hole, the winding rope is conveniently stored or released by the storage roller to stop in time, accurate adjustment of the cable height is achieved, construction difficulty of workers is reduced, and maintenance efficiency and construction safety of cable laying are greatly improved.

Drawings

The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application, and, as will be apparent to those skilled in the art, are directed to some embodiments of the application and from which additional drawings may be derived without the exercise of inventive faculty.

Fig. 1 is a schematic structural diagram of a cable lifting and releasing device according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of another angle of the cable lifting and releasing device according to the embodiment of the present application;

fig. 3 is a schematic structural diagram of a portion a in fig. 2.

Reference numerals illustrate:

1-a supporting frame;

2-a cable fixing assembly;

21-winding the rope; 22-a holder; 221-first connector; 222-a second connector; 223-winding rod; 224-wire-through slots; 225-through holes;

3-a storage mechanism;

31-a supporting seat; 32-a storage assembly; 321-a receiving roller; 322-a rotating wheel; 323-handle; 33-a limiting assembly; 331-a limiting hole; 332-locking pin.

Specific embodiments thereof have been shown by way of example in the drawings and will herein be described in more detail. These drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.

Further, it should be noted that, in the description of the present application, terms such as "inner," "outer," and the like refer to directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or component must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Furthermore, it should be noted that, in the description of the present application, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two components. The specific meaning of the terms in this application will be understood by those skilled in the art as the case may be.

Cabling refers to the process of laying and installing cables along a surveyed route to form a cabling. Depending on the application, the method can be divided into overhead, underground (pipelines and direct burial), underwater, wall, tunnel and other laying modes. The reasonable choice of the cable laying mode is very important to ensure the transmission quality, the reliability, the construction maintenance and the like of the line.

In power distribution engineering construction, cabling is used as a basis in the construction process, and cables are required for electric system equipment to achieve voltage transmission and voltage transmission.

In the existing cable laying or maintenance repair process, when the laying and placing of the cable are assisted, the cable is often laid and positioned by grasping and dragging the cable by hands, and particularly, the cable is often laid or maintained at the positions such as overhead, walls, tunnels and the like.

When the cable end needs to be positioned to a high place, the cable position is unstable due to the fact that the arm is tremble or the person moves when the cable end is gripped by a person, even the cable end cannot reach the high place, the cable laying or maintenance efficiency is greatly affected, and safety is poor.

To above-mentioned problem, the embodiment of the application provides a cable lifting and releasing device for solve the cable laying or maintain the problem that the cable tip can't accurately adjust its height in the rush repair process.

The present application will now be described in detail with reference to the accompanying drawings and examples:

fig. 1 is a schematic structural diagram of a cable lifting and releasing device according to an embodiment of the present application; fig. 2 is a schematic structural diagram of another angle of the cable lifting and releasing device according to the embodiment of the present application; fig. 3 is a schematic structural diagram of a portion a in fig. 2.

Referring to fig. 1 to 3, a cable lifting and releasing device provided in an embodiment of the present application includes a support frame 1, a cable fixing assembly 2, and a housing mechanism 3.

The support frame 1 level sets up in the cable top, plays the effect of whole support, and its height is higher than the cable wait to fix a position the height.

The cable fixing assembly 2 includes a winding rope 21 and a holder 22, the winding rope 21 being used to be wound on both sides of the holder 22 while binding an end portion of the cable between the winding rope 21 and the holder 22 to achieve relative fixation between the cable and the holder 22.

The storage component 32 comprises a supporting seat 31 and a storage component 32, the supporting seat 31 comprises two supporting plates which are vertically arranged, the two supporting plates are opposite and are arranged at intervals, the two supporting plates are fixed on the supporting frame 1, and the storage component 32 is used for fixing the winding rope 21 so as to realize storage or release of the winding rope 21. After the winding rope 21 is bound, the winding rope 21 forms a binding part and a hanging part, the binding part is used for being fixed relative to the fixer 22 and the end part of the cable, the storage component 32 is used for fixing the center endpoint of the hanging part, and the cable freely drops under the gravity action of the cable.

When the cable needs to be lifted to the designated height, the winding rope 21 is wound on the outer wall of the cable and is woven at the two ends of the fixer 22, so that the cable is bound between the winding rope 21 and the fixer 22, then the winding rope 21 is fixed at the position where the winding rope 21 is not wound by the storage component 32, the winding rope 21 is stored, the cable rises along with the fixer 22 along with continuous storage of the winding rope 21, the storage component 32 stops storage when rising to the designated height, the position of the cable is fixed, the accurate adjustment of the cable height is realized, the construction difficulty is reduced, and the cable laying and maintenance efficiency is greatly improved.

In some embodiments, the storage assembly 32 includes a storage roller 321 and a rotating wheel 322, where the storage roller 321 is horizontally disposed and two ends of the storage roller are respectively rotatably connected to two support plates, and a suspension member is fixed on the storage roller 321 and used for suspending a center end point of the suspension portion of the winding rope 21; the rotating wheel 322 is rotatably connected to one of the support plates, and the rotating wheel 322 is coaxially fixed with the receiving roller 321.

The manner of fixing the winding rope 21 is not limited, and may be a hanging, fastening, binding, or the like, preferably a detachable connection.

The use of the storage roller 321 is compared with the use of manually grabbing and holding the position of the adjusting cable, the labor-saving effect of the storage roller 321 is 1/30, and the operation by a single person is convenient.

Preferably, an observation port is formed in the rotating wheel 322, and the state of the winding rope 21 on the storage roller 321 can be observed while the rotating wheel 322 is rotated through the observation port, so that the winding position of the winding rope 21 can be adjusted in time conveniently, and uneven stress of the storage roller 321 caused by accumulation of the winding rope is avoided.

In some embodiments, the storage assembly 32 further includes a handle 323, the handle 323 being disposed on the wheel 322 to assist a person in rotating the wheel 322.

Preferably, the handle 323 is rotatably connected to the rotating wheel 322, so that friction between a person and the handle 323 is reduced, and the rotation smoothness is improved.

When accomodating subassembly 32 accomodate winding rope 21, hand handle 323 drives runner 322 and rotates, and runner 322 drives and accomodates the roller 321 and rotate, accomodates the roller 321 and drives winding rope 21 winding on self perisporium, and two backup pads are spacing to the winding rope 21 of accomodating on the roller 321, have realized accomodating winding rope 21, and is simple high-efficient.

Typically, the housing mechanism 3 further includes a limiting component 33 for limiting the rotation of the rotating wheel 322.

In some embodiments, the limiting component 33 includes a plurality of limiting holes 331, a jack and a locking pin 332, the limiting holes 331 are provided with a plurality of limiting holes 331, the limiting holes 331 are formed on the rotating wheel 322 and are uniformly spaced on the same circumference, and the jack is formed on the side wall of the supporting plate connected with the rotating wheel 322.

When the rotating wheel 322 rotates, the insertion holes are respectively connected to each of the limiting holes 331, and the locking pins 332 are disposed on the rotating wheel 322 and are simultaneously inserted into the insertion holes and the limiting holes 331 connected thereto.

The connection between the lock pin 332 and the rotating wheel 322 is not limited, and may be detachable.

Optionally, the difference of the relative heights of the adjacent limiting holes 331 is less than 0.1 cm, the spacing between the limiting holes 331 is small, and the limiting adjustment can be realized by the small rotation of the rotating wheel 322.

Preferably, the radius r=25 cm (22.5 cm from the handle to the center of the wheel) of the wheel, the radius r=0.75 cm of the reel, the ratio of the labor-saving ratio to the ratio of 1/30, the number of the locking pin holes to the center of the wheel is 19.5 cm, 60 locking pin holes are uniformly distributed on the circumference, and the cable moves by 0.08 cm when one pin hole position is rotated.

When the cable is lifted to a specified height, the storage of the winding rope 21 is stopped, the limiting hole 331 is adjusted to be communicated with the jack, the lock pin 332 is simultaneously inserted into the limiting hole 331 and the jack, the rotating wheel 322 and the supporting plate are relatively fixed, the storage roller 321 stops rotating, and the storage of the winding rope 21 is stopped immediately. Similarly, when the winding rope 21 is released, the locking pin 332 is pulled out from the jack and the limiting hole 331, so that the relative fixation of the rotating wheel 322 and the supporting plate can be released, the winding rope 21 can be released by rotating the rotating wheel 322 reversely, and when the rotating wheel 322 needs to be fixed again, the locking pin 332 is inserted into the limiting hole 331 and the jack at the same time.

In addition, the fixer 22 includes a first connecting piece 221 and a second connecting piece 222, the first connecting piece 221 includes a first hasp portion, the second connecting piece 222 includes a second hasp portion, and the first hasp portion and the second hasp portion are overlapped in a matching way to realize the opening and closing of the fixer 22, and the hasp design is high in universality and suitable for cables with various diameters.

In some embodiments, the first buckle portion and the second buckle portion are symmetrically arranged, and a receiving groove is formed on opposite sides of the first buckle portion and the second buckle portion for overlapping with each other.

In general, the side walls of the accommodating grooves of the first hasp and the second hasp are respectively provided with a limit strip for ensuring that the first hasp and the second hasp are not separated due to friction in use when the first hasp and the second hasp are in lap joint.

Preferably, the contact surface of the two limiting strips is an arc surface.

The connection mode of the first hasp part and the second hasp part is not limited, and the first hasp part and the second hasp part can be connected; further, the connection form of the first connection member 221 and the second connection member 222 is not limited, and may be a detachable connection or a non-detachable connection, so as to achieve the opening and closing of the first connection member 221 and the second connection member 222.

In addition, the first connecting member 221 further includes a first winding portion, and the second connecting member 222 further includes a second winding portion, each of which includes a plurality of winding rods 223 for winding the winding rope 21, and the plurality of winding rods 223 are disposed at intervals.

Alternatively, the cross-sectional shape of the winding bar 223 is not limited, and sliding winding of the winding rope 21 is achieved, and the contact surface of the winding bar 223 is preferably a cambered surface.

When the cable is required to be fixed on the holder 22, the holder 22 is attached to the cable, the winding rope 21 is wound on one winding rod 223 of the first connecting piece 221, then passes through the outer wall of the cable and is wound on one winding rod 223 of the second connecting piece 222, the outer wall of the cable is wound on one winding rod 223 of the first connecting piece 221 again, the above actions are repeated, the winding rope 21 binds the cable on the holder 22, the relative fixation of the cable and the holder 22 is realized, the hand holding is avoided, the labor cost is reduced, and the operation efficiency is improved.

The winding rope 21 does not limit the winding manner of the first winding portion and the second winding portion, and similarly, the number of times each winding rod 223 is wound is not limited, so that the relative fixation of the holder 22 and the cable can be realized.

In some embodiments, the first winding portion and the second winding portion are provided with the threading grooves 224, the winding rods 223 are fixed in the threading grooves 224 of the first winding portion and the second winding portion, the threading grooves 224 accommodate the connection of the winding rope 21 and the winding rods 223, injury caused by touching the connection by a person in the rope threading process is avoided, and meanwhile, the connection of the winding rope 21 and the winding rods 223 is protected, so that winding stability is ensured.

Wherein, the through hole 225 for the winding rope 21 to pass through is all offered on the first connecting piece 221 and the second connecting piece 222, and through hole 225 is linked together with the threading groove 224, and through hole 225 is offered in threading groove 224 department, and winding rope 21 can directly stretch out by through hole 225 and hang, has avoided winding rope 21 to cut and has rubbed the winding rope 21 that probably causes when the suspension portion of winding rope 21 is certain angle with fixer 22 and has broken, has ensured winding rope 21's safety in utilization.

Preferably, two through holes 225 are provided at the middle portions of the first and second winding portions, respectively, to ensure the stability of the overall stress of the holder 22.

The cable lifting and releasing device provided by the application ensures the stability of the device by arranging the support frame 1 to serve as the support of the whole set of cable lifting and releasing device, and simultaneously is provided with the cable fixing assembly 2 for fixing the cable and the storage mechanism 3 for lifting the height of the cable. Wherein, cable fixing assembly 2 includes winding rope 21 and fixer 22, and receiving mechanism 3 includes supporting seat 31 and storage assembly 32, ties the cable on fixer 22 through winding rope 21, fixes winding rope 21 not tie cable department on receiving mechanism 3 simultaneously, has avoided the staff of cable to grab and has held up, has ensured the security that promotes stability and staff.

Meanwhile, the storage assembly 32 comprises a storage roller 321 and a rotating wheel 322 which are fixed relatively, the winding rope 21 is fixed on the storage roller 321, the storage roller 321 is driven to store the winding rope 21 by controlling the rotating wheel 322 to rotate, storage or release of the winding rope 21 is achieved, convenience in cable height adjustment is improved, the rotating wheel 322 is provided with a handle 323, a person rotates the rotating wheel 322 through the handle 323, and the operation is simple and efficient.

In addition, the storage mechanism 3 further includes a limiting component 33 for limiting the rotation of the rotating wheel 322. The limiting component 33 comprises a limiting hole 331 formed in the rotating wheel 322, a jack formed in the supporting plate and a locking pin 332 used for simultaneously inserting the limiting hole 331 and the jack, wherein the limiting hole 331 is specified to be limited by the locking pin 332, the rotating wheel 322 and the supporting plate are relatively fixed at the jack, the storage roller 321 is convenient to store or release the winding rope 21 and stop in real time, the accurate adjustment of the cable height is realized, the construction difficulty is reduced, and the cable laying and maintenance efficiency and the construction safety are greatly improved.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the presently disclosed technology.

This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains.

It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. A cable lifting and lowering device, comprising:

a support (1);

the cable fixing assembly (2) comprises a winding rope (21) and a fixer (22), wherein the winding rope (21) is used for being wound on the fixer (22), and the fixer (22) and the winding rope (21) are used for sleeving a cable peripheral wall;

the storage mechanism (3) comprises a supporting seat (31) and a storage component (32), wherein the supporting seat (31) is fixed on the supporting frame (1), the storage component (32) is arranged on the supporting seat (31), the winding rope (21) is connected with the storage component (32), and the storage component (32) rotates relative to the supporting seat (31) so as to drive the fixer (22) and the winding rope (21) to fix the cable and enable the cable to ascend or descend through storage or release of the winding rope (21).

2. The cable lifting and lowering device according to claim 1, wherein the receiving assembly (32) comprises:

the collecting roller (321) is horizontally arranged and rotationally connected to the supporting seat (31), and the winding rope (21) is fixed on the collecting roller (321);

and the rotating wheel (322) is coaxially fixed with the collecting roller (321).

3. The cable lifting and releasing device according to claim 2, characterized in that a suspension member is arranged on the receiving roller (321), and the suspension member is fixedly connected with the winding rope (21).

4. Cable lifting and lowering device according to claim 2, characterized in that the support seat (31) comprises two support plates, which are arranged at intervals and fixed on the support frame (1), the receiving roller (321) being interposed between the two support plates.

5. The cable lifting and lowering device according to claim 2, wherein the receiving assembly (32) further comprises a handle (323), the handle (323) being provided on the wheel (322).

6. The cable lifting and lowering device according to claim 4, wherein the receiving means (3) further comprises a limiting assembly (33), the limiting assembly (33) comprising:

the limiting holes (331) are formed in a plurality of positions, and the limiting holes (331) are formed in the rotating wheel (322) and are uniformly arranged at intervals on the same circumference;

the jack is arranged on the supporting plate close to the rotating wheel (322);

and the lock pin (332) is inserted into the insertion hole and any limit hole (331) to limit the rotation of the rotating wheel (322).

7. The cable lifting and lowering device according to any of claims 1-6, wherein the holder (22) comprises a first connector (221) and a second connector (222), the first connector (221) having a first snap-fit portion, the second connector (222) having a second snap-fit portion, the first snap-fit portion being matingly overlapped with the second snap-fit portion to effect opening and closing of the first connector (221) and the second connector (222).

8. The cable lifting and lowering device according to claim 7, wherein the first connecting member (221) further has a first winding portion, the second connecting member (222) further has a second winding portion, and the first winding portion and the second winding portion each include a plurality of winding bars (223) around which the winding rope (21) is wound, and the winding bars (223) are disposed at intervals.

9. The cable lifting and lowering device according to claim 8, wherein the first winding portion and the second winding portion are each provided with a threading slot (224), and each winding rod (223) is fixed in the threading slot (224) of the first winding portion and the second winding portion, respectively.

10. The cable lifting and releasing device according to claim 9, characterized in that through holes (225) for the winding ropes (21) to penetrate are formed in the first connecting piece (221) and the second connecting piece (222), and the through holes (225) are communicated with the threading grooves (224).