CN212304487U - Damping device for vertically laying cable and cable laying device - Google Patents

Abstract

The utility model relates to a damping device and cable laying device that are used for cable laying on vertical, damping device are including installing frame and at least 1 pulley in the shaft, and each pulley is installed in the frame, and each pulley is equipped with the friction damping material that is used for in cable laying process and cable contact on the surface. The utility model discloses in its constantly laying process that gets into the shaft, can be along with the antecedent of cable and bigger because of the produced gliding power of cable dead weight, and the frictional damping material and the cable in close contact with on pulley surface, pulley surface applys a sufficient effective and ascending reverse effort to the cable, this reverse effort increases along with the gliding power increase, be equivalent to be equipped with the speed assorted decelerator with cable moving speed to the downstream of cable, the security performance of cable laying operation has greatly increased, can not lead to the cable to appear unexpected laying the in-process, the uncontrollable condition of quick gliding.

Description

Damping device for vertically laying cable and cable laying device

Technical Field

The utility model relates to a cable laying's technical field, concretely relates to be used for cable laying's damping device and cable laying device on vertical.

Background

In the cable laying operation process, especially when high-voltage cable laying operation is carried out in a long-distance shaft (belonging to super high-rise projects), because a cable to be laid is pre-wound on a cable reel, in the long-distance and high-voltage cable installation project from top to bottom, a cable winch and the cable reel are generally required to be adopted to lay the cable in cooperation with manpower.

Because the characteristic of superelevation layer project, the cable laying scope discrepancy in height is huge, because high tension cable's self weight is heavier, in its laying process that constantly gets into the shaft, can be along with the antedisplacement of cable and bigger because of the produced gliding force of cable dead weight, if not set up certain decelerator to the downstream of cable, the cable of constantly dropping will make the rotational speed of cable drum constantly improve, thereby lead to the safe risk of construction to increase, it is big to use traditional laying equipment and the mode of laying cable safe risk, easily produce the incident.

Especially when the length of shaft is more than 200 meters, after the cable got into the shaft and reached certain length, the gliding force of cable will be greater than the frictional force between cable and the shaft far away, at this moment, if can not in time exert a sufficient effective and ascending reverse acting force to the cable that is in the shaft section, will lead to the cable to appear unexpected, the uncontrollable condition of gliding fast in laying process to make the safe risk greatly increased of cable laying operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be used for cable laying's damping device in vertical has solved the technical problem of cable when vertical laying downwards among the prior art.

Realize the technical scheme of one of the purposes of the utility model as follows: a damping device for vertically laying cables comprises a rack and at least 1 pulley, wherein the rack is installed in a shaft, each pulley is installed on the rack, and a friction damping material used for being in contact with the cables in the cable laying process is arranged on the surface of each pulley.

Further, the friction damping material is rubber or asphalt.

Furthermore, the number of the pulleys is multiple, and the pulleys are sequentially arranged in the vertical direction and used for winding cables among the pulleys in a staggered mode.

Further, the pulleys are fixed pulleys, and the pulleys are fixedly arranged on the rack.

Further, each pulley includes base and pulley body, the pulley body passes through the base is fixed in the frame, be equipped with the friction damping material that is used for contacting with the cable at the cable laying in-process on the surface of pulley body, the both ends of pulley body are equipped with a boss respectively.

Furthermore, a plurality of expansion bolts are arranged on the base, and the base is fixed on the rack through the expansion bolts.

Furthermore, the damping device also comprises a pulley mounting frame, and each pulley is mounted on the rack through the pulley mounting frame.

The utility model has the advantages that: the utility model provides a damping device for vertically laying cables, which is designed into a frame arranged in a shaft and at least 1 pulley, wherein the surface of each pulley is provided with a friction damping material which is used for contacting with the cables in the cable laying process, in the laying process of the cable continuously entering the vertical shaft, the gliding force generated by the dead weight of the cable is increased along with the forward movement of the cable, and the frictional damping material on the pulley surface is in intimate contact with the cable, the pulley surface exerts a sufficiently effective and upward opposing force on the cable, this reverse effort increases along with gliding force increase, is equivalent to be equipped with the decelerator with cable moving speed assorted to the downstream of cable, has increased the security performance of cable laying operation greatly, can not lead to the cable to appear unexpected, the uncontrollable condition of quick gliding in laying process.

The utility model also provides a cable laying device, cable laying device includes cable hoist, cable drum, arresting gear and damping device, cable hoist's drive end with the center pin fixed connection of cable drum, around being equipped with the cable and being equipped with arresting gear on the cable drum.

Further, the braking device is a disc braking system.

Further, one end of the disc brake system is provided with a manual switch.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural diagram of a cable laying apparatus according to an embodiment of the present invention;

fig. 2 is a side view of a pulley of the cable laying apparatus of fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a cable laying device; 10. a damping device; 11. a frame; 12. a pulley; 121. a base; 1211. an expansion bolt; 122. a pulley body; 1221. a boss; 1222. a cylinder; 13. a pulley mounting bracket; 20. a braking device; 21. a manual switch; 30. a cable reel; 200. an electrical cable.

Detailed Description

The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-2, the examples given are intended to illustrate the present invention and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-2, the utility model provides a cable laying device, cable laying device 100 includes cable hoist (not shown), cable drum 30, arresting gear 20 and damping device 10, the drive end of cable hoist with cable drum 30's center pin fixed connection, around being equipped with cable 200 and being equipped with arresting gear on the cable drum 30.

In the above-mentioned embodiment, reform transform cable drum 30 on former traditional cable drum, customize novel cable drum 30, increase arresting gear 20 on former traditional cable drum basis, brake through arresting gear 20 to cable drum 30 to reach the control of transferring speed to cable 200.

Further, the brake device 20 may be designed as a disc brake system, since it is cheap and reliable and durable. The disc brake system belongs to the conventional means in the prior art, and the specific structure of the disc brake system is not described in detail.

Of course, the braking device 20 can also be designed as a cable brake cable or any other device with the function of braking the cable drum 30, in addition to a disc brake system.

Further, one end of the disc brake system is connected with a manual switch 21 through a steel wire rope.

Further, the damping device 10 includes a frame 11 installed in the shaft and at least 1 pulley 12, each pulley 12 is installed on the frame 11, and a friction damping material for contacting the cable 200 during the cable laying process is disposed on a surface of each pulley 12. Wherein the cable 200 is wound between the pulleys 12.

The damping device 10 is designed into a frame 11 and at least 1 pulley 12 which are installed in a shaft, a friction damping material which is used for being in contact with a cable 200 in the cable laying process is arranged on the surface of each pulley 12, in the laying process of the cable which continuously enters the shaft, the downward sliding force generated by the dead weight of the cable is larger and larger along with the forward movement of the cable, the friction damping material on the surface of each pulley 12 is in close contact with the cable 200, a sufficient effective and upward reverse acting force is exerted on the cable 200 by the surface of each pulley 12, the reverse acting force is increased along with the increase of the downward sliding force, and equivalently, a speed reducing device matched with the moving speed of the cable 200 is arranged on the downward movement of the cable, so that the safety performance of cable laying operation is greatly improved, and the uncontrollable condition that the cable accidentally and rapidly slides down in the laying process can.

Further, in order to produce a large frictional resistance, the frictional damping material is rubber or asphalt.

Further, the number of the pulleys 12 is plural, each of the pulleys 12 is sequentially arranged in the vertical direction, and the cable 200 is wound between the pulleys 12 in a staggered manner, and a plurality of surfaces between the cable 200 and the pulleys 12 are in close contact and the contact surface is increased, so that more stable friction force is manufactured. In the present embodiment, the number of pulleys 12 is 3.

Further, in order to increase the friction between the pulley 12 and the cable 200, the pulley 12 may be designed as a fixed pulley, and each pulley 12 is fixedly installed on the frame 11.

Further, each pulley 12 includes a base 121 and a pulley body 122, the pulley body 122 is fixed to the frame 11 through the base 121, a friction damping material for contacting the cable 200 in the cable laying process is disposed on the surface of the pulley body 122, and bosses 1221 are disposed at two ends of the pulley body 122, respectively.

Through being equipped with a boss 1221 respectively at the both ends of pulley body 122, locate cable 200 clamp between two bosses 1221, be convenient for make cable 200 fix a position between two bosses 1221 to take place both sides and rock.

Further, in order to enhance the connection strength, a plurality of expansion bolts 1211 are disposed on the base 121, and the base 121 is fixed to the frame 11 through each expansion bolt 1211.

Further, the damping device 10 further includes a pulley mounting bracket 13, and each of the pulleys 12 is mounted on the frame 11 through the pulley mounting bracket 13, so that a plurality of pulleys form a pulley block to enhance the stability of the whole structure.

The utility model discloses a concrete theory of operation and application method do: the cable hoist is started, the cable reel 30 is driven, the cable 200 is conveyed downwards into the vertical shaft in a matched mode, the cable 200 slides along the pulleys 12 which are arranged in a staggered mode in the vertical shaft, friction damping materials are arranged on the surfaces of the pulleys 12, friction force between the contact surfaces of the pulleys 12 and the cable 200 is increased along with the increase of speed, the cable 200 is decelerated, and therefore the downward movement speed of the cable 200 is controlled to a certain degree; when the cable 200 is laid to a specified position in the well, the braking device 20 is activated to brake the cable drum 200.

The utility model discloses a design damping device 10 for installing frame 11 and at least 1 pulley 12 in the shaft, each pulley 12 be equipped with on the surface and be used for the friction damping material with cable 200 contact at the cable laying in-process, in its laying process that constantly gets into the shaft, can be along with the antedisplacement of cable and be bigger and bigger because of the produced gliding force of cable dead weight, and the friction damping material on pulley 12 surface and cable 200 in close contact with, pulley 12 surface exerts a sufficient effective and ascending reverse effort to cable 200, this reverse effort increases along with gliding power increase, be equivalent to be equipped with cable 200 moving speed assorted decelerator to the downstream of cable, the security performance of cable laying operation has greatly increased, can not lead to the cable to appear unexpected in laying process, the uncontrollable condition of quick gliding.

The utility model discloses reform transform cable drum 30 on former traditional cable drum, the novel cable drum of customization increases the dish on former traditional cable drum basis and stops the system and see figure 1 below to damping device 10 in the cooperation well carries out the deceleration figure 1 to the cable 200 of transferring, and the dish system of stopping through cable drum 30 brakes, thereby reaches the control of transferring speed to the cable.

The utility model discloses use cable drum 30 and damping device 10 after the improvement to carry out cable 200 and lay and can greatly avoid the safety risk in the cabling 200 process, realize opening at any time that cable 200 laid and stop. Moreover, the damping device is arranged, so that the requirements of cable 200 laying personnel can be met, and the work efficiency is ensured.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims (10)

1. A damping device for vertically laying cables is characterized in that the damping device (10) comprises a frame (11) and at least 1 pulley (12) which are installed in a shaft, each pulley (12) is installed on the frame (11), and a friction damping material which is used for being in contact with a cable (200) in a cable laying process is arranged on the surface of each pulley (12).

2. A damping device for cabling according to claim 1, wherein the frictional damping material is rubber or asphalt.

3. A damping device for vertically laying cables according to claim 1, characterised in that said pulleys (12) are provided in a plurality, each pulley (12) being arranged vertically one after the other for winding a cable (200) alternately between said pulleys (12).

4. A damping device for cabling in a vertical direction according to any one of claims 1-3, characterised in that the pulleys (12) are fixed pulleys, each pulley (12) being fixedly mounted to the frame (11).

5. A damping device for vertically laying cables as claimed in any one of claims 1 to 3, characterised in that each pulley (12) comprises a base (121) and a pulley body (122), the pulley body (122) is fixed to the frame (11) by the base (121), a friction damping material for contacting the cables (200) during the laying of the cables is arranged on the surface of the pulley body (122), and bosses (1221) are respectively arranged at both ends of the pulley body (122).

6. A damping device for cabling according to claim 5, wherein the base (121) is provided with a plurality of expansion bolts (1211), and the base (121) is secured to the frame (11) by means of the expansion bolts (1211).

7. A damping device for cabling in a vertical direction according to claim 6, characterised in that the damping device (10) further comprises a pulley mounting (13), each pulley (12) being mounted to the frame (11) by means of the pulley mounting (13).

8. A cable laying apparatus, characterized in that the cable laying apparatus (100) comprises a cable hoist, a cable drum (30), a braking device (20) and a damping device (10) according to any one of claims 1 to 3, the drive end of the cable hoist is fixedly connected with the central shaft of the cable drum (30), and the cable drum (30) is wound with a cable (200) and provided with a braking device.

9. A cabling arrangement according to claim 8, wherein the braking means (20) is a disc brake system.

10. A cable installation according to claim 9, wherein the disc brake system is provided with a manual switch (21) at one end.

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