CN209767010U

CN209767010U - Device for laying cable

Info

Publication number: CN209767010U
Application number: CN201920716359.7U
Authority: CN
Inventors: 陆小虹; 宗曦华; 韩云武; 黄逸佳; 陈志越; 张喜泽; 魏士政; 张智勇; 张大义; 喻志广; 王天龙; 田祥; 高原
Original assignee: Shanghai Electric Cable Research Institute
Current assignee: Shanghai Electric Cable Research Institute
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2019-12-10
Anticipated expiration: 2029-05-17

Abstract

The utility model relates to a cable laying technical field especially relates to a device for cable laying, establish the ring carrier on the cable and locate the gyro wheel on the ring carrier outer peripheral face including being used for the cover, the internal diameter of ring carrier and the external diameter phase-match of cable, the gyro wheel is equipped with a plurality ofly, and all gyro wheels are followed the circumference interval distribution of ring carrier, all are equipped with between every gyro wheel and the ring carrier to be used for assisting the gyro wheel to pass through the obstacle structure. The roller wheels positioned below the cables are in contact with the ground or the laying pipe wall and roll to consign the cables to advance, so that the damage of friction, collision and the like caused by direct dragging of the cables can be effectively avoided, and the effect of well protecting the cables is achieved. When an obstacle exists on a laying path, the obstacle structure can be passed to assist the roller to pass through the obstacle, so that the roller consignment cable can smoothly advance. The device for laying the cable can be suitable for laying pipes with small pipe diameters as long as the inner diameter of the laying pipe is slightly larger than the maximum outer diameter of an integral structure formed by the cable, the annular support and the rollers.

Description

Device for laying cable

Technical Field

The utility model relates to a cable laying technical field especially relates to a device for cable laying.

Background

In the fields of power cable pipe penetration, laying and the like, the cable is required to be prevented from being damaged mechanically in the pipe penetration process. Due to factors such as friction drag of the cable laying process on the support and the ground and the like, the outer sheath of the cable is damaged, the inner-layer heat-insulating pipe is extruded, and even the heat-insulating pipe at the sheath is damaged in severe cases, so that the vacuum degree and the mechanical property of the cable system are finally influenced.

In order to improve the mechanical damage of friction, collision and the like during cable laying, before a common cable is arranged in a pipe, a lubricant which has no chemical effect with a protective layer of the cable is coated on the surface of the cable, and meanwhile, the cable is supported and carried by a pulley, so that the cable is convenient to lay and the friction force between the cable and the pipe wall generated by directly dragging the cable is reduced. At present, a two-wheel semicircular arc pulley is generally used, and is suitable for laying a tunnel with a larger pipe diameter, and is not suitable for laying a pipe diameter with a smaller pipe diameter because personnel cannot enter the pulley for operation.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a device for cable laying can be applicable to less pipe diameter of laying to overcome prior art's above-mentioned defect.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a device for cable laying, includes and is used for the cover to establish the ring carrier on the cable and locates the gyro wheel on the ring carrier outer peripheral face, the internal diameter of ring carrier and the external diameter phase-match of cable, the gyro wheel is equipped with a plurality ofly, and all gyro wheels are along the circumference interval distribution of ring carrier, all are equipped with between every gyro wheel and the ring carrier to be used for assisting the gyro wheel to pass through the obstacle structure of crossing of obstacle.

Preferably, the obstacle crossing structure comprises an annular housing having a tapered outer peripheral surface, the diameter of the tapered outer peripheral surface gradually decreases in a direction from the center of the annular bracket to the center of the roller, the roller is located at one end of the tapered outer peripheral surface having a smaller diameter, a part of the roller is movably accommodated in the annular housing, and the other part of the roller is located outside the annular housing.

Preferably, at least half of the roller is accommodated in the annular housing.

Preferably, all the rollers are equally spaced along the circumference of the ring support, and at least two rollers are located below the cable.

Preferably, a friction member is mounted on an inner side surface of the annular bracket, and the friction member is in pressure contact with the cable.

Preferably, the friction member extends circumferentially on the inner side of the annular holder.

Preferably, the friction member is made of rubber.

Preferably, the annular support is a hoop.

Preferably, the rollers are universal wheels.

Preferably, the rollers are made of a wear-resistant material.

Compared with the prior art, the utility model discloses the progress that has showing:

Will the utility model discloses a cable laying is established and is fixed on the cable with the ring carrier cover of device, at the cable in-process that gos forward, the gyro wheel that lies in the cable below on the ring carrier can with ground or lay the pipe wall contact, form the support to the cable, under the effect of traction force, the roll consignment cable through the gyro wheel that lies in the cable below gos forward, can effectively avoid the direct dilatory damage such as production friction of cable, collision, plays fine protection cable's effect. When an obstacle exists on a laying path, the obstacle structure can be passed to assist the roller to pass through the obstacle, so that the roller consignment cable can smoothly advance. The device for laying the cable can not cause the conditions that the pulley adopted in the prior art is easy to topple and run and the pulley support is easy to loosen, can be suitable for laying pipes with small pipe diameters, and can meet the requirement of small laying pipe diameters as long as the inner diameter of the laying pipe is slightly larger than the maximum outer diameter of the integral structure formed by the cable, the annular support and the roller.

Drawings

Fig. 1 is a schematic structural view of a cable laying device according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of an obstacle passing structure of the cable laying device according to the embodiment of the present invention.

Wherein the reference numerals are as follows:

1. Annular support 2, gyro wheel

3. Annular housing 30, tapered outer peripheral surface

4. Friction member 5, obstacle

Detailed Description

the following describes the present invention in further detail with reference to the accompanying drawings. These embodiments are provided only for illustrating the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "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; 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 invention can be understood according to specific situations by those skilled in the art.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 and 2, the present invention is an embodiment of a cable laying device. The cable laying device of the present embodiment includes a ring support 1 and a roller 2. The center of the annular support 1 is axially communicated and used for being sleeved on a cable, and the inner diameter of the annular support 1 is matched with the outer diameter of the cable, so that the annular support 1 is sleeved on the cable and then is relatively fixed with the cable. On the gyro wheel 2 located 1 outer peripheral face of ring carrier, gyro wheel 2 was equipped with a plurality ofly, and all gyro wheels 2 are along ring carrier 1's circumference interval distribution. Obstacle structures are arranged between each roller 2 and the annular support 1 and used for assisting the rollers 2 to pass through the obstacles 5.

During the use, can set up the device for cable laying of a this embodiment at a section of distance of every on waiting to lay or the cable of poling, establish and fix on the cable 1 cover of ring carrier, then at the cable in-process that gos forward, the gyro wheel 2 that lies in the cable below on the ring carrier 1 can with ground or lay the pipe wall contact, form the support to the cable, under the effect of traction, the delivery cable that rolls through the gyro wheel 2 that lies in the cable below advances, can effectively avoid the direct dilatory production friction of cable, damage such as collision, play fine protection cable's effect. When an obstacle 5 exists on a laying path, the roller 2 can be assisted to pass through the obstacle 5 by passing through the obstacle structure, and the roller 2 is ensured to convey cables to go forward smoothly. The device for laying the cables of the embodiment can not cause the situations that the pulley adopted in the prior art is easy to topple and run and the pulley support is easy to loosen, and can be suitable for laying pipes with small pipe diameters as long as the inner diameter of the laying pipe is slightly larger than the maximum outer diameter of the integral structure formed by the cables, the ring-shaped support 1 and the rollers 2, so that the requirement of the small laying pipe diameter can be met.

Referring to fig. 2, in the present embodiment, preferably, the obstacle passing structure includes an annular housing 3, the annular housing 3 has a tapered outer peripheral surface 30, the diameter of the tapered outer peripheral surface 30 gradually decreases along the direction from the center of the annular bracket 1 to the center of the roller 2, and the roller 2 is located at the end of the tapered outer peripheral surface 30 with the smaller diameter, that is, the end of the annular housing 3 away from the annular bracket 1 is located at the roller 2. One end of the annular housing 3, which is far away from the annular bracket 1, is opened, one part of the roller 2 is movably accommodated in the annular housing 3, and the other part of the roller 2 is positioned outside the annular housing 3. In the process of laying the cable, for the roller 2 positioned below the cable, the conical outer peripheral surface 30 of the annular housing 3 forms a slope surface relative to the ground or the laying pipe wall on the upper outer peripheral side of the roller 2, and the annular housing 3 does not influence the contact between the roller 2 and the ground or the laying pipe wall and the rolling of the roller 2 on the ground or the laying pipe wall. On a smooth path, the roller 2 can carry the cable to advance under the action of traction force, an obstacle 5 exists on the advancing path, the obstacle 5 can be any object or structure on the cable laying path, which can influence or prevent the roller 2 from advancing smoothly, such as an uneven path, a hollow or a step, and the like, when the roller 2 advances to the obstacle 5 or is prevented by the obstacle 5, as shown in fig. 2, a point B on the conical outer peripheral surface 30 of the annular housing 3 is in contact with a point a on the obstacle 5 to provide a fulcrum, so that the cable can be pulled and lifted integrally under the action of the traction force, and the roller 2 can pass through the obstacle 5. Therefore, the auxiliary roller 2 passes through the obstacle 5 on the laying path through the obstacle passing structure, and the roller 2 is guaranteed to convey the cable smoothly.

In the case that the height of the obstacle 5 is smaller than the radius of the roller 2, the roller 2 is easier to go on over the obstacle 5 under the action of traction force, the auxiliary action of the annular housing 3 may not be needed, and if the height of the obstacle 5 is larger than the radius of the roller 2, the roller 2 is less easy to go over the obstacle 5 directly under the action of traction force, therefore, in the embodiment, preferably, at least half of the roller 2 is accommodated in the annular housing 3, so that the annular housing 3 can be in effective contact with the obstacle 5, especially the obstacle 5 with the height larger than the radius of the roller 2, so as to provide a fulcrum to assist the roller 2 to pass through the obstacle 5.

In this embodiment, the assembly mode of the annular housing 3 passing through the obstacle structure between the annular bracket 1 and the roller 2 is not limited, the annular housing 3 may be mounted on the annular bracket 1, and the annular housing 3 may be fixed or movable relative to the annular bracket 1; the ring housing 3 can also be assembled with the roller 2 by means of a connection to form a unitary structure, which is mounted on the ring support 1.

Referring to fig. 1, in the present embodiment, preferably, all the rollers 2 are distributed at equal intervals along the circumference of the ring-shaped support 1, and at least two rollers 2 are located below the cable, that is, at least two rollers 2 contact with the ground or the wall of the laying pipe below the cable when the cable is laid, so that at least two rollers 2 jointly support the hauling cable below the cable all the time during the advancing process of the cable, and the cable is ensured to stably advance along the laying path. The number of the rollers 2 is not limited, and the rollers are designed according to the outer diameter of the cable in practical application, so that at least two rollers 2 are arranged below the cable, and the spacing distance between the adjacent rollers 2 can be designed according to the outer diameter of the ring-shaped support 1 and the size of the rollers 2.

In this embodiment, preferably, the roller 2 adopts the universal wheel, can realize 360 rotations, and the flexibility is good. Preferably, the roller 2 adopts a universal wheel with a self-locking function, and can be locked to stop rolling when needed. The roller 2 is preferably made of wear-resistant material, and the wear-resistant material can be nylon or rubber material, so that the roller has the advantage of good compression resistance and wear resistance.

In order to ensure the fixation between the ring-shaped bracket 1 and the cable and enable the roller 2 to advance synchronously with the cable, in the embodiment, preferably, a friction member 4 is installed on the inner side surface of the ring-shaped bracket 1, and the friction member 4 is in pressure contact with the cable. The friction piece 4 provides friction resistance, so that the effects of buffering and preventing the annular support 1 from sliding on the cable can be achieved, the annular support 1 is ensured to be fixedly sleeved on the cable, meanwhile, the cable can be prevented from being damaged, and the cable is protected.

Preferably, the friction member 4 extends circumferentially on the inner side of the ring support 1, and can provide uniform friction resistance in the circumferential direction, which is beneficial for maintaining the relative fixation between the ring support 1 and the cable. In a preferred embodiment, an annular groove may be circumferentially formed on the inner side surface of the annular holder 1, and the friction member 4 is embedded in the annular groove, so that the inner side surface of the annular holder 1 is in good contact with the outer circumferential surface of the cable by the pressure contact between the friction member 4 and the cable.

The friction member 4 has elasticity to achieve pressure contact with the cable. Preferably, the friction member 4 may be made of rubber.

In this embodiment, preferably, ring carrier 1 is the staple bolt, and the staple bolt passes through the buckle to realize opening and closing, and the dismouting is very convenient. The installation position of the idler wheel 2 on the hoop should avoid the buckle of the hoop and the position symmetrical to the buckle. The form of the hoop is not limited, and the existing conventional hoop structure can be adopted. Preferably, the hoop is made of stainless steel nonmagnetic materials.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. the utility model provides a device for cable laying, its characterized in that establishes including being used for the cover to establish ring carrier (1) on the cable and locating gyro wheel (2) on ring carrier (1) outer peripheral face, the internal diameter of ring carrier (1) with the external diameter phase-match of cable, gyro wheel (2) are equipped with a plurality ofly, all gyro wheel (2) are followed the circumference interval distribution of ring carrier (1), every gyro wheel (2) with all be equipped with between ring carrier (1) and be used for the assistance gyro wheel (2) pass through the obstacle structure of crossing of obstacle (5).

2. Device for cabling according to claim 1, wherein the obstacle-crossing structure comprises a ring-shaped casing (3), the ring-shaped casing (3) having a tapered outer peripheral surface (30), the tapered outer peripheral surface (30) having a diameter which decreases in a direction from the centre of the ring-shaped support (1) towards the centre of the roller (2), the roller (2) being located at the end of the tapered outer peripheral surface (30) having the smaller diameter, a portion of the roller (2) being movably received in the ring-shaped casing (3) and another portion being located outside the ring-shaped casing (3).

3. Device for cabling according to claim 2, wherein at least half of the roller (2) is housed in the annular housing (3).

4. Device for laying cables according to claim 1, characterised in that all the rollers (2) are equally spaced along the circumference of the toroidal support (1) and in that at least two of the rollers (2) are located below the cable.

5. Device for cabling according to claim 1, wherein a friction member (4) is mounted on the inner side of the ring support (1), the friction member (4) being in pressure contact with the cable.

6. Device for cabling according to claim 5, wherein the friction member (4) extends circumferentially on the inner side of the ring support (1).

7. Device for cabling according to claim 5, wherein the friction member (4) is made of rubber.

8. Device for cabling according to claim 1, wherein the ring support (1) is a hoop.

9. Device for cabling according to claim 1, wherein the roller (2) is a cardan wheel.

10. Device for laying cables according to claim 1, characterised in that said roller (2) is made of a wear-resistant material.