CN204391613U - A kind of wire support device of auxiliary replacement porcelain pole arm - Google Patents

Abstract

The utility model discloses a wire support device for auxiliary replacement of porcelain cross-arms, which belongs to the technical field of auxiliary maintenance tools for power transmission lines. The device includes a jack and a wire clamp for supporting power transmission wires. The lifting part and the operating rod used to operate the lifting part to rise or fall vertically, the base is detachably fixed on the pole tower near the porcelain cross arm, and the wire clamp is set on the opposite end of the lifting part to the base. When the staff needs to replace the porcelain cross arm on the tower, the jack can be fixed on the tower close to the porcelain cross arm, and the jack can be further rotated so that the wire clamp is located under the transmission wire carried by the porcelain cross arm, and the control lever is vertical The lifting part slowly makes the wire clamp replace the porcelain cross-arm to support the power transmission wire, and then the staff can easily complete the operation of replacing the porcelain cross-arm, which greatly improves the work efficiency and reduces the work intensity.

Description

A wire support device for auxiliary replacement of porcelain cross-arm

technical field

The utility model relates to the technical field of auxiliary maintenance tools for transmission lines, in particular to a wire support device for auxiliary replacement of porcelain cross-arms.

Background technique

Porcelain cross arm, referred to as insulator, is a conical or cylindrical porcelain insulator structure that simultaneously acts as a cross arm and an insulator on a transmission line.

Some transmission lines are located in a harsh environment. Due to the influence of harsh environment and abnormal climate and other natural conditions, the porcelain cross-arms continue to age during operation, the insulation performance of the porcelain cross-arms in operation gradually declines, and some porcelain cross-arms appear damaged and cracked. etc., there are potential accidents such as line grounding and wire falling off. At present, to deal with this type of defect, the operators on the tower only rely on manpower to load the wires on the porcelain cross-arm, and then replace the porcelain cross-arm.

However, for the replacement of porcelain cross-arms in large-span areas, the transmission wires are many and heavy, and the operation of replacing porcelain cross-arms is performed only by manpower, which requires high physical fitness of the workers and poses a great safety hazard.

Contents of the invention

In order to solve the problems of the prior art, the embodiment of the utility model provides a wire support device for auxiliary replacement of the porcelain cross-arm, and the technical solution is as follows:

The embodiment of the utility model provides a wire support device for assisting the replacement of the porcelain cross-arm, which is suitable for being arranged on a tower to support the power transmission wire to replace the porcelain cross-arm. The device includes a jack and a wire clamp for supporting the power transmission wire ,

The jack includes a rotatable base, a lifting part arranged on the base, and an operating rod for operating the lifting part to rise or fall vertically, and the base is detachably fixed on the pole tower close to the The position of the porcelain cross arm, the wire clamp is arranged on the end of the lifting part opposite to the base.

Further, the wire clamp includes an upper splint and a lower splint parallel to the upper splint, the upper splint is connected to one end of the lower splint and the connecting portion forms an arc groove, the upper splint and the lower splint The distance between them is greater than the diameter of the power transmission wires.

Further, a plurality of parallel first teeth are provided on the side of the upper clamping plate opposite to the lower clamping plate, and a plurality of parallel second teeth are provided on the side of the lower clamping plate opposite to the upper clamping plate. The latching teeth, the first latching teeth and the second latching teeth are arranged in one-to-one correspondence and facing each other, and the distance between the first latching teeth and the second latching teeth is greater than the diameter of the power transmission wire.

Further, a plurality of third latches are provided on the side of the upper splint opposite to the side on which the first latches are provided, and the plurality of third latches are arranged in parallel with intervals between them.

Further, the device further includes a bracket, which is detachably fixed on the pole tower and located below the jack.

Further, the bracket includes a horizontal plate, a horizontal plate locking ring, a slanting plate and a slanting plate locking ring, one end of the horizontal plate is fixedly connected to the horizontal plate locking ring, and the other end of the horizontal plate is connected to the slanting plate One end of the plate is connected and the connection is at an acute angle, the other end of the slant plate is fixedly connected with the slant plate lock ring, and the horizontal plate lock ring and the slant plate lock ring can be detachably fixed on the pole tower superior.

Further, the wire clip is an elastic member that can be opened or snapped together.

Further, the wire clamp and the jack are high-strength engineering plastic parts.

Further, the bracket is a high-strength engineering plastic bracket.

The beneficial effect of the technical scheme that the utility model embodiment provides is:

By setting the jack and the wire clamp fixed on the lifting part of the jack, when the staff needs to replace the porcelain cross arm on the tower, the jack can be fixed on the tower near the porcelain cross arm. Since the base of the jack can be rotated, The jack can be further rotated so that the wire clamp is located under the power transmission wire carried by the porcelain cross arm, and the control lever rises vertically and the lifting part slowly makes the wire clamp replace the porcelain cross arm to support the power transmission wire, and then the staff can easily complete the replacement The operation of the porcelain cross arm greatly improves the work efficiency and reduces the work intensity.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is a structural diagram of a wire support device for auxiliary replacement of porcelain cross-arms, pole towers, and power transmission wires provided by an embodiment of the present invention;

Fig. 2 is the structural diagram of the jack and wire clip that the utility model embodiment provides;

Fig. 3 is a structural diagram of the bracket provided by the embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings.

Example

As shown in Figures 1 to 3, the embodiment of the utility model provides a wire support device for assisting the replacement of the porcelain cross-arm, which is suitable for being arranged on the tower 1 to support the power transmission wire 2 to replace the porcelain cross-arm (not shown in the figure). The device includes a jack 3 and a wire clamp 4 for supporting the power transmission wire 2,

The jack 3 includes a rotatable base 3a, a lifting part 3b arranged on the base 3a, and an operating rod 3c for operating the lifting part 3b to rise or fall vertically. The base 3a is detachably fixed on the tower 1 and is close to the porcelain cross arm position, the wire clamp 4 is arranged on the end of the lifting part 3b opposite to the base 3a.

Specifically, the pole tower 1 is generally provided with a horizontal pole frame, and the porcelain cross-arm is arranged on the pole frame to carry the power transmission wire. When the porcelain cross-arm is damaged, the power transmission wire is easy to fall off and fall to the ground. Hold the power transmission wire on the tower 1 for a long time. In this embodiment, if there is a pole frame with a good position and load-bearing performance on the tower 1, when replacing the porcelain cross arm, the jack 3 can be fixed on the pole frame on the tower 1. The position of the ceramic cross arm, the base 3a can be rotated to facilitate fine-tuning the position of the wire clamp 4 on the jack 3 to match the power transmission wire 2 carrying different extension directions. After the jack 3 is fixed, the operating lever 3c can be operated to control the jacking part 3b rises vertically. At this time, the wire clamp 4 rises vertically to replace the porcelain cross-arm to carry the power transmission wire 2. Then the operator can easily replace the porcelain cross-arm. After replacement, the operating rod 3c can be used to control the lifting part 3b to descend. The power transmission wire 2 is again carried by the replaced porcelain cross arm, wherein the jack 3 is a common tool, and its internal structure and working principle will not be repeated here.

Further, the wire clamp 4 includes an upper clamping plate 4a and a lower clamping plate 4b parallel to the upper clamping plate 4a, the upper clamping plate 4a is connected to one end of the lower clamping plate 4b and the connecting portion forms an arc groove 4c, the upper clamping plate 4a and the lower clamping plate 4b The spacing is greater than the diameter of the power transmission wire 2 .

Specifically, the wire clamp 4 is mainly used to carry the power transmission wire 2. When the power transmission wire 2 is too many and too heavy, multiple wires can be sent into the arc-shaped groove 4c through the jaws of the upper splint 4a and the lower splint 4b in turn. It has a certain bundling effect on the transmission wires 2, preventing the wires from slipping and falling to the ground during the working process.

Further, a plurality of parallel first locking teeth 4d are provided on the opposite side of the upper clamping plate 4a to the lower clamping plate 4b, and a plurality of parallel second locking teeth 4e are provided on the opposite side of the lower clamping plate 4b to the upper clamping plate 4a , the first locking teeth 4d and the second locking teeth 4e are arranged in one-to-one correspondence and facing each other, and the distance between the first locking teeth 4d and the second locking teeth 4e is greater than the diameter of the power transmission wire 2 .

Specifically, the pole tower 1 is usually installed in the field. When replacing the porcelain cross-arm in some harsh windy environments, the power transmission wire 2 is very easy to shake, which brings great inconvenience to the replacement operation. The first locking tooth 4d and the second locking tooth 4e Relatively arranged to form a plurality of slots, the wires can be placed in the slots between the teeth during operation, which has a good inhibitory effect on the vibration of the wires caused by the windy environment.

Further, a plurality of third locking teeth 4f are provided on the side of the upper splint 4a opposite to the side where the first locking teeth 4d are provided, and the plurality of third locking teeth 4f are arranged in parallel at intervals.

Specifically, in the case of a good working environment, the power transmission wire 2 may not be placed between the upper splint 4a and the lower splint 4b, and the wire clamp 4 can be operated to rise directly, and the gap between the third locking teeth 4f can block the power transmission wire 2. Wire 2 carries the load.

Further, the device also includes a bracket 5 , which is detachably fixed on the tower 1 and located below the jack 3 .

Specifically, in this embodiment, the jack 3 is required to be as light as possible for easy portability and efficient operation. However, in actual work, the horizontal pole frame on the tower 1 may bear limited load or be damaged. At this time, the jack 3 is not on the tower 1. Appropriate fixed position, the support 5 is the supporting device of the supporting jack 3. During operation, the support 5 can be fixed on the pole tower 1, and the jack 3 is fixed on the support 5. Meanwhile, the support 5 can also be used to assist carrying workers or Place other electrician's tools.

Further, the bracket 5 includes a horizontal plate 5a, a horizontal plate locking ring 5b, a slanting plate 5c and a slanting plate locking ring 5d, one end of the horizontal plate 5a is fixedly connected to the horizontal plate locking ring 5b, and the other end of the horizontal plate 5a is connected to the slanting plate 5c. The other end of the inclined plate 5c is fixedly connected with the inclined plate lock ring 5d, and the horizontal plate lock ring 5b and the inclined plate lock ring 5d can be detachably fixed on the pole tower 1.

Specifically, the inner diameters of the horizontal plate lock ring 5b and the inclined plate lock ring 5d match the diameter of the tower 1, and the two lock rings are fixed on the tower 1 in an expandable or locked manner, and the horizontal plate 5a remains horizontal when fixed. As the main bearing plate, the inclined plate 5c serves as the auxiliary bearing plate, which can enhance the bearing effect.

Further, the wire clamp 4 can be an elastic member that can be expanded or snapped together.

Specifically, as one of the implementation methods of this embodiment, the wire clip 4 is set as an elastic member, so that when the wire clip 4 is used to carry the power transmission wire 2, the wire clip 4 is opened to quickly accommodate the wire, and when the wire clip 4 is released, the The wire can be bitten to achieve the effect of clamping the wire.

Further, in this embodiment, the wire clip 4, the jack 3 and the bracket 5 can all be high-strength engineering plastic parts.

Specifically, engineering plastics have excellent comprehensive performance, high rigidity, light specific gravity and good electrical insulation. A large number of engineering plastic parts are used to prepare the components of the device, which makes the device portable and safe while ensuring the load-bearing strength of the device. higher.

The embodiment of the utility model provides a wire supporting device for assisting the replacement of the porcelain cross-arm. By setting the jack and the wire clamp fixed on the lifting part of the jack, when the staff needs to replace the porcelain cross-arm on the pole tower, the The jack is fixed on the pole tower close to the porcelain cross-arm. Since the base of the jack can be rotated, the jack can be further rotated so that the wire clamp is located under the transmission wire carried by the porcelain cross-arm, and the control lever rises vertically and the lifting part slowly makes The wire clip replaces the porcelain cross-arm to support the transmission wire, and then the staff can easily complete the operation of replacing the porcelain cross-arm, greatly improving work efficiency and reducing work intensity.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (9)

1. A wire support device for assisting the replacement of porcelain cross-arms, which is suitable for being arranged on poles and towers to support power transmission wires to replace porcelain cross-arms, characterized in that, The device includes a jack and a wire clamp for supporting the power transmission wire, The jack includes a rotatable base, a lifting part arranged on the base, and an operating rod for operating the lifting part to rise or fall vertically, and the base is detachably fixed on the pole tower close to the The position of the porcelain cross arm, the wire clamp is arranged on the end of the lifting part opposite to the base. 2. The device according to claim 1, wherein the wire clamp comprises an upper splint and a lower splint parallel to the upper splint, the upper splint is connected to one end of the lower splint and the connecting portion forms an arc shaped groove, the distance between the upper splint and the lower splint is greater than the diameter of the power transmission wire. 3. The device according to claim 2, wherein a plurality of mutually parallel first locking teeth are arranged on the opposite side of the upper splint and the lower splint, and the lower splint is opposite to the upper splint A plurality of second locking teeth parallel to each other are provided on the side of the side, and the first locking teeth and the second locking teeth are arranged in a one-to-one correspondence, and the gap between the first locking teeth and the second locking teeth is The spacing is greater than the diameter of the transmission wire. 4. The device according to claim 3, wherein a plurality of third locking teeth are provided on the side of the upper splint opposite to the side on which the first locking teeth are arranged, and a plurality of the third locking teeth The teeth are spaced apart and arranged in parallel. 5. The device according to claim 1, further comprising a bracket, the bracket is detachably fixed on the pole tower and is located below the jack. 6. The device according to claim 5, wherein the bracket comprises a horizontal plate, a horizontal plate locking ring, a slanting plate, and a slanting plate locking ring, and one end of the horizontal plate is fixedly connected to the horizontal plate locking ring , the other end of the horizontal plate is connected to one end of the inclined plate at an acute angle, the other end of the inclined plate is fixedly connected to the locking ring of the inclined plate, the locking ring of the horizontal plate and the locking ring of the horizontal plate The locking ring of the inclined plate can be detachably fixed on the pole tower. 7. The device according to any one of claims 1-6, characterized in that, the wire clip is an elastic member that can be opened or snapped together. 8. The device according to any one of claims 1-6, characterized in that, the wire clamp and the jack are high-strength engineering plastic parts. 9. The device according to claim 5 or 6, wherein the bracket is a high-strength engineering plastic bracket.