CN210898296U - Ground wire lifting device - Google Patents

Abstract

The utility model relates to a ground wire lifting device, which comprises a fixed seat, wherein the top end of the fixed seat is provided with a mounting plate, and the mounting plate is provided with a driving wheel and at least two driven wheels meshed with the driving wheel; both sides of the fixed seat are provided with through holes, and threaded rods in threaded connection with inner rings of the driven wheels are arranged in the through holes; one end of the threaded rod, which is far away from the driven wheel, is provided with a connecting mechanism for connecting a ground wire. The ground wire can be lifted by a worker through operating the wire lifting device with one hand, and the operation is simpler and faster; and the other hand can support other fixed objects to keep the balance of the body, so that the working process is safer.

Description

Ground wire lifting device

Technical Field

The utility model relates to a transmission line instrument field, more specifically relates to a line ware is carried to ground wire.

Background

The ground wire is required to be lifted up frequently to check the health condition of the ground wire suspension clamp in the operation and maintenance of the transmission line tangent tower, and the ground wire is required to be lifted up to replace a ground wire accessory in daily maintenance related to the ground wire.

The existing ground wire lifter comprises a fixing seat for fixing on a ground wire cross arm, lifting devices for lifting the ground wire are arranged on two sides of the fixing seat respectively, and when an operator lifts the ground wire, the lifting devices on two sides need to be operated by two hands respectively to lift the ground wire. In practice, two-handed operation is not only difficult to operate, but also lacks safety. The existing ground wire lifter carries ground wires to be lifted by a clamp, but the clamp is easy to be damaged in the lifting or detecting process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned prior art ground wire lifting device and need the problem of bimanualness, provide a ground wire lifting device, only need one-hand operation can realize the promotion of ground wire, lifting device can be connected with the ground wire cross arm of more remote distance, conveniently promotes the ground wire that is in between two ground wire cross arms.

In order to solve the technical problem, the utility model discloses a technical scheme is: a ground wire lifter comprises a fixed seat, wherein the top end of the fixed seat is provided with an installation plate, and the installation plate is provided with a driving wheel and at least two driven wheels meshed with the driving wheel; both sides of the fixed seat are provided with through holes, and threaded rods in threaded connection with inner rings of the driven wheels are arranged in the through holes; and one end of the threaded rod, which is far away from the driven wheel, is provided with a connecting mechanism for connecting a ground wire.

Only one hand is needed to operate the driving wheel to rotate, and the driving wheel can drive the driven wheel to rotate simultaneously. The threaded rod is a lead screw, and when the driven wheel rotates, the threaded rod in threaded connection with the driven wheel can move upwards, so that the function of lifting the ground wire is realized.

Preferably, the connecting mechanism comprises a U-shaped wire sheath for bearing a grounding wire and a connecting chain for connecting the wire sheath and the threaded rod. The U-shaped wire protecting sleeve is connected with the connecting chain after being sleeved into the ground wire, and the bottom of the inner side of the wire protecting sleeve is arc-shaped and is more attached to the outer surface of the ground wire.

Preferably, the U-shaped wire sheath comprises an outer sleeve and an inner sleeve, and the inner sleeve is made of foam cotton. The inner sleeve of the foam cotton can play a role in protecting the ground wire and preventing the ground wire from being damaged.

Preferably, the top ends of the outer sleeve and the inner sleeve are both provided with through holes, and the connecting chain is a steel chain. The installation of the connecting mechanism can be completed by penetrating the through hole and the steel chain through cylindrical fasteners such as bolts and the like, and the connecting mechanism is convenient and fast.

Preferably, the connecting chain is slidably connected with the threaded rod through an anti-twist device. The torsion of the threaded rod is released at the anti-twisting device, the lifting force is transmitted to the connecting chain, namely, the threaded rod can rotate relative to the connecting chain, and the connecting chain cannot be driven to rotate together.

Preferably, the driving wheel is provided with a rotating operation rod. The rotation of the driving wheel can be realized by operating the rotating operating rod with a single hand, and the rotating operating rod provides a force applying point, so that the driving wheel can rotate more easily.

Preferably, the cross section of the rotating operation rod is a regular hexagon. The regular hexagon structure can be the same with the cross section of fastener, can press from both sides tight rotation action bars through general fastener tightening tool (like monkey wrench), then realizes the rotation of action wheel through the handle of push-and-pull tightening tool, utilizes lever principle, and is more laborsaving.

Preferably, the rotating operating rod is sleeved with an operating handle. The operating handle joint is on rotating the action bars, and the rotation of action wheel is realized to push-and-pull operating handle, and the mounting hole and the laminating of rotating the action bars surface of operating handle are special instrument, and it is more convenient to use.

Preferably, the bottom of the fixing seat is provided with a T-shaped plate, and the bottom of the fixing seat is provided with a clamping groove for the protruding part of the T-shaped plate to pass through. The convex part of T template passes the draw-in groove and with fixing base fixed connection, and the plane portion of T template is kept away from one side of fixing base and can be connected with more remote ground wire cross arm for the work of ground wire is promoted in the position of fixing base between the ground wire cross arm.

Compared with the prior art, the beneficial effects of the utility model are that: the ground wire can be lifted by a worker through operating the wire lifting device with one hand, and the operation is simpler and faster; and the other hand can support other fixed objects to keep the balance of the body, so that the working process is safer.

Drawings

Fig. 1 is a schematic structural view of a ground wire lifter of the present invention;

fig. 2 is a schematic structural view of a driving wheel of a ground wire lifter of the present invention;

fig. 3 is a schematic structural view of a connecting mechanism of a ground wire lifter of the present invention;

fig. 4 is a schematic structural view of another embodiment of the fixing seat of the ground wire lifter of the present invention.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

As shown in fig. 1-2, an embodiment of a ground wire lifter comprises a fixed seat 1, wherein a mounting plate 2 is mounted at the top end of the fixed seat 1, and a driving wheel 3 and two driven wheels 4 engaged with the driving wheel 3 are mounted on the mounting plate 2; both sides of the fixed seat 1 are provided with through holes, and threaded rods 5 which are in threaded connection with the inner ring of the driven wheel 4 are arranged in the through holes; one end of the threaded rod 5 far away from the driven wheel 4 is provided with a connecting mechanism 6 for connecting a ground wire.

Specifically, the connection mechanism 6 includes a U-shaped wire sheath 601 for receiving a ground wire and a connection link 602 for connecting the U-shaped wire sheath 601 and the threaded rod 5. The U-shaped wire protecting sleeve 601 is connected with the connecting chain 602 after being sleeved into the ground wire, and the bottom of the inner side of the U-shaped wire protecting sleeve 601 is arc-shaped and is more attached to the outer surface of the ground wire.

The U-shaped wire sheath 601 includes an outer sheath 603 and an inner sheath 604, and the inner sheath 604 is made of foam cotton. The foam inner sleeve 604 can protect the ground wire and prevent the ground wire from being damaged.

Specifically, the top ends of the outer sleeve 603 and the inner sleeve 604 are both provided with through holes 605, and the connecting chain 602 is a steel chain. The installation of the connecting mechanism can be completed by penetrating the through hole and the steel chain through cylindrical fasteners such as bolts and the like, and the connecting mechanism is convenient and fast.

Specifically, the connecting link 602 is slidably connected to the threaded rod 5 by a twist preventer. The torsion of the threaded rod 5 is released at the anti-twist device, and the lifting force is transmitted to the connecting chain, namely, the threaded rod 5 can rotate relative to the connecting chain without driving the connecting chain to rotate together.

In addition, action wheel 3 is provided with the rotation action bars 301 that the cross section is regular hexagon, rotates the point that action bars 301 provided a impetus, makes the action wheel rotate more easily, and regular hexagon's structure can be the same with the cross section of fastener, can press from both sides tight rotation action bars 301 through general fastener tightening tool (like monkey wrench), then realizes action wheel 3's rotation through the handle of push-and-pull tightening tool, utilizes lever principle, and is more laborsaving.

In order to more conveniently push the rotating operation rod 301, an operation handle 302 is sleeved on the rotating operation rod and is clamped on the rotating operation rod, the driving wheel is rotated by pushing and pulling the operation handle, and a mounting hole of the operation handle is attached to the outer surface of the rotating operation rod and is a special tool.

The utility model discloses a theory of operation or work flow: the U-shaped wire sheath 601 is sleeved on the ground wire, the driving wheel 3 is operated to rotate only by one hand, and the driving wheel 3 can drive the driven wheel 4 to rotate simultaneously. The threaded rod 5 is a screw rod, when the driven wheel 4 rotates, the threaded rod 5 in threaded connection with the driven wheel can move upwards to drive the connecting chain 602 to ascend, and therefore the ground wire is lifted.

The beneficial effects of this embodiment: the ground wire can be lifted by a worker through operating the wire lifting device with one hand, and the operation is simpler and faster; and the other hand can support other fixed objects to keep the balance of the body, so that the working process is safer.

Example 2

Fig. 3 shows another embodiment of a ground wire lifter, which is different from embodiment 1 in that a T-shaped plate 7 is arranged at the bottom of a fixed seat 1, and a slot 101 for a protruding part 701 of the T-shaped plate 7 to pass through is arranged at the bottom of the fixed seat 1.

The protruding part 701 of the T-shaped plate 7 passes through the clamping groove 101 and is fixedly connected with the fixing base 1, and one side of the plane part 702 of the T-shaped plate 7, which is far away from the fixing base 1, can be connected with the far-away ground wire cross arms, so that the fixing base 1 can lift the ground wire at the position between the ground wire cross arms.

The remaining features and the operating principle of embodiment 2 are the same as those of embodiment 1.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The ground wire lifter comprises a fixed seat (1) and is characterized in that a mounting plate (2) is mounted at the top end of the fixed seat (1), and a driving wheel (3) and at least two driven wheels (4) meshed with the driving wheel (3) are mounted on the mounting plate (2); both sides of the fixed seat (1) are provided with through holes, and threaded rods (5) which are in threaded connection with the inner ring of the driven wheel (4) are arranged in the through holes; and one end of the threaded rod (5) far away from the driven wheel (4) is provided with a connecting mechanism (6) for connecting a ground wire.

2. An earth wire lifter according to claim 1, characterized in that the connection mechanism (6) comprises a U-shaped wire sheath (601) for carrying an earth wire and a connection chain (602) for connecting the U-shaped wire sheath (601) with the threaded rod (5).

3. The ground wire lifter as claimed in claim 2, wherein the U-shaped wire sheath (601) comprises an outer sheath (603) and an inner sheath (604), and the inner sheath (604) is made of foam cotton.

4. The ground wire lifting device as claimed in claim 3, wherein the top ends of the outer sleeve (603) and the inner sleeve (604) are provided with through holes (605), and the connecting chain (602) is a steel chain.

5. A ground wire lifter according to claim 2, characterized in that the connecting chain (602) is slidably connected with the threaded rod (5).

6. An earth wire lifter according to claim 5, characterized in that the connecting chain (602) is connected to the threaded rod (5) by a twist preventer.

7. A ground wire lifter according to claim 1, characterized in that the driving wheel (3) is provided with a rotary operating lever (301).

8. An earth wire lifter according to claim 7, characterized in that the cross section of the rotary operating lever (301) is a regular hexagon.

9. An earth wire lifter according to claim 7, characterized in that the rotary operating lever (301) is sleeved with an operating handle (302).

10. An earth wire lifter according to any one of claims 1-9, characterized in that a T-shaped plate (7) is mounted at the bottom of the fixed seat (1), and a clamping groove (101) for a protruding part (701) of the T-shaped plate (7) to pass through is arranged at the bottom of the fixed seat (1).

Images