CN210628942U

CN210628942U - Grounding pulley

Info

Publication number: CN210628942U
Application number: CN201922030143.8U
Authority: CN
Inventors: 黄悦; 刘华; 居晓丽; 贾林; 张枭; 张海龙
Original assignee: Beijing Electric Power Engineering Co ltd; State Grid Corp of China SGCC; State Grid Beijing Electric Power Co Ltd
Current assignee: Beijing Electric Power Engineering Co ltd; State Grid Corp of China SGCC; State Grid Beijing Electric Power Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-05-26
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a grounding pulley, which comprises a plate-type frame, wherein a first pulley and a second pulley are respectively fixed at the two ends of the bottom of the plate-type frame; the upper part of the plate type frame is provided with a transversely arranged fixing plate, a screw is fixed in a screw fixing hole on the fixing plate, and a spring is arranged in the screw; one end of the ejector rod is abutted against the spring, the other end of the ejector rod is fixedly connected with the pulley bracket, and the third pulley is fixed on the pulley bracket; the two sides of the plate-type frame are symmetrically provided with hanging rings. The utility model relates to a grounding pulley, which effectively reduces the vibration of the pulley on a lead by arranging an elastic damping device between a third pulley and a lead screw, greatly avoids the falling of the grounding pulley and protects the personal safety of workers; through set up on plate-like frame with pulley support matched with aluminium slide, supplementary third pulley slides from top to bottom, has strengthened the fastness of third pulley, uses safelyr.

Description

Grounding pulley

Technical Field

The utility model belongs to the technical field of power line construction equipment, concretely relates to ground connection coaster.

Background

In the construction process of the power line, the construction safety is guaranteed. A plurality of potential safety hazards exist in construction, such as high-altitude operation, electrostatic induction, severe and complex construction environment and the like. In order to overcome the potential safety hazards and ensure the safety of line construction, a plurality of corresponding reliable construction machines are required to be used in the work. The grounding pulley is mainly used in the tension stringing process of line construction to eliminate the electrostatic induction on a lead or a ground wire and avoid electric shock accidents in the construction of constructors.

At present, a grounding pulley used in construction has safety defects, cannot be well fixed on a line, and is easy to fall to cause accidents.

Disclosure of Invention

An object of the utility model is to provide a ground connection coaster to solve the problem among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a grounding pulley comprises a plate-type frame, wherein a first pulley and a second pulley are respectively fixed at two ends of the bottom of the plate-type frame; the upper part of the plate type frame is provided with a transversely arranged fixing plate, and a screw is fixed in a screw fixing hole on the fixing plate; a spring is arranged in the screw rod, one end of the ejector rod is propped against the spring, and the other end of the ejector rod is fixedly connected with the pulley bracket; the third pulley is fixed on the pulley bracket; the two sides of the plate-type frame are symmetrically provided with hanging rings.

Furthermore, a sliding groove is formed in the middle of the plate type frame, and the aluminum sliding plate is arranged on the sliding groove and can slide up and down; the pulley bracket is fixedly connected to the aluminum sliding plate.

Furthermore, grooves are formed in two sides of the aluminum sliding plate and connected with the sliding grooves.

Furthermore, the pulley bracket comprises a first pulley bracket and a second pulley bracket, and a group of third pulley fixing holes are symmetrically formed in the first pulley bracket and the second pulley bracket; and a ball bearing is arranged in a center hole of the third pulley, and a third bolt passes through the ball bearing in the center hole of the third pulley and a group of third pulley fixing holes to fix the third pulley on the pulley bracket.

Furthermore, ball bearings are arranged in the center holes of the first pulley and the second pulley, and the first bolt and the second bolt respectively penetrate through the ball bearings in the center holes of the first pulley and the second pulley to fix the first pulley and the second pulley on fixing holes at two ends of the bottom of the plate type frame.

Furthermore, the lifting rings are fixed in lifting ring fixing holes at two sides of the plate type frame through cotter pins.

Furthermore, a threaded hole is formed in the position, right opposite to the aluminum sliding plate, of the center of the bottom of the plate type frame, and the bolt ejector rod is arranged in the threaded hole.

Furthermore, a screw handle is arranged at the top end of the screw.

Further, the bottom of lead screw is provided with screw nut.

Furthermore, two limiting blocks are symmetrically arranged at the bottom of the sliding groove.

The utility model has the advantages as follows:

1. the utility model relates to a grounding pulley, which effectively reduces the vibration of the pulley on a lead by arranging an elastic damping device between a third pulley and a lead screw, greatly avoids the falling of the grounding pulley and protects the personal safety of workers;

2. the utility model relates to a grounding pulley, which is characterized in that an aluminum sliding plate matched with a pulley bracket is arranged on a plate-type frame to assist a third pulley to slide up and down, thus enhancing the firmness of the third pulley and ensuring safer use;

3. the utility model relates to a ground connection coaster, simple structure, convenient to use, safe and reliable.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of a front three-dimensional structure of a grounding pulley of the present invention;

fig. 2 is a schematic view of a back side three-dimensional structure of the ground tackle of the present invention;

wherein: 1 plate type frame, 2 first pulleys, 3 second pulleys, 4 third pulleys, 5 first bolts, 6 second bolts, 7 bolt ejector rods, 8 lifting rings, 9 lead screws, 10 cotter pins, 11 pulley supports, 12 third bolts, 13 aluminum sliding plates, 14 lead screw handles, 91 ejector rods, 101 fixing plates, 102 sliding grooves, 110 first pulley supports and 111 second pulley supports.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention.

As shown in fig. 1 and 2, the ground tackle of the present invention includes a plate frame 1, the plate frame 1 is an L-shaped aviation aluminum bracket, which plays a supporting role, and a first pulley 2 and a second pulley 3 are respectively fixed at two ends of the bottom of the plate frame 1; the first pulley 2 and the second pulley 3 are used for being hung on a wire, and the third pulley 4 has a pressing effect on the wire to prevent the wire from sliding out; the upper part of the plate-type frame 1 is provided with a transversely arranged fixing plate 101, and a screw 9 is fixed in a screw fixing hole on the fixing plate 101 and used for adjusting the position of a third pulley; a spring is arranged in the screw rod 9, one end of the ejector rod 91 is abutted against the spring, and the other end of the ejector rod is fixedly connected with the pulley bracket 11; the third pulley 4 is fixed on the pulley bracket 11; the top end of the screw 9 is provided with a screw handle 14; the bottom end is provided with a screw nut (not marked in the figure); the two sides of the plate-type frame 1 are symmetrically provided with hanging rings 8, and the hanging rings 8 are fixed in hanging ring fixing holes in the two sides of the plate-type frame 1 through opening pins 10 and used for connecting a traction line to conduct guiding traction on the ground sliding vehicle.

Furthermore, a sliding groove 102 is formed in the middle of the plate frame 1, grooves are formed in two sides of the aluminum sliding plate 13, the aluminum sliding plate is connected with the sliding groove 102 and can slide on the sliding groove 102, the pulley support 11 is fixedly connected with the aluminum sliding plate 13, and the aluminum sliding plate 13 is used for controlling the third pulley 4 to move up and down within a certain range.

Further, the pulley bracket 11 includes a first pulley bracket 110 and a second pulley bracket 111, and a set of third pulley fixing holes are symmetrically disposed on the first pulley bracket 110 and the second pulley bracket 111; a ball bearing is arranged in a center hole of the third pulley 4, a third bolt 12 penetrates through the ball bearing in the center hole of the third pulley 4 and a group of third pulley fixing holes to fix the third pulley 4 on the pulley support 11, and the ball bearing is used for pulley movement and has a certain damping effect.

Furthermore, ball bearings are arranged in the center holes of the first pulley 2 and the second pulley 3, and the first bolt 5 and the second bolt 6 respectively penetrate through the ball bearings in the center holes of the first pulley 2 and the second pulley 3 to fix the first pulley 2 and the second pulley 3 on fixing holes at two ends of the bottom of the plate-type frame 1.

Further, a threaded hole is formed in the position, opposite to the aluminum sliding plate 13, of the center of the bottom of the plate type frame 1, and the bolt ejector rod 7 is arranged in the threaded hole and used for preventing the aluminum sliding plate 13 from sliding out of the sliding groove 102 and enabling the aluminum sliding plate to move up and down only within a certain range.

Furthermore, two stoppers (not shown) are symmetrically arranged at the bottom of the sliding groove 102 to prevent the aluminum sliding plate 13 from sliding out of the sliding groove 102.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. A grounding pulley is characterized by comprising a plate-type frame (1), wherein a first pulley (2) and a second pulley (3) are respectively fixed at two ends of the bottom of the plate-type frame (1); the upper part of the plate-type frame (1) is provided with a transversely arranged fixing plate (101), and a lead screw (9) is fixed in a lead screw fixing hole on the fixing plate (101); a spring is arranged in the screw rod (9), one end of the ejector rod (91) is abutted against the spring, and the other end of the ejector rod is fixedly connected with the pulley bracket (11); the third pulley (4) is fixed on the pulley bracket (11); the two sides of the plate-type frame (1) are symmetrically provided with hanging rings (8).

2. A ground tackle as claimed in claim 1, wherein the plate frame (1) is provided with a sliding groove (102) at a middle position thereof, and the aluminum slider (13) is provided on the sliding groove (102) and can slide up and down; the pulley bracket (11) is fixedly connected to the aluminum sliding plate (13).

3. A ground tackle as claimed in claim 1, wherein the aluminum slide (13) has grooves on both sides for engaging the slide grooves (102).

4. A ground tackle as claimed in claim 1, wherein the pulley holder (11) comprises a first pulley holder (110) and a second pulley holder (111), and a set of third pulley fixing holes are symmetrically formed in the first pulley holder (110) and the second pulley holder (111); a ball bearing is arranged in a center hole of the third pulley (4), and a third bolt (12) penetrates through the ball bearing in the center hole of the third pulley (4) and a group of third pulley fixing holes to fix the third pulley (4) on the pulley support (11).

5. A ground tackle as claimed in claim 1, wherein ball bearings are installed in the central holes of the first pulley (2) and the second pulley (3), and the first bolt (5) and the second bolt (6) respectively pass through the ball bearings in the central holes of the first pulley (2) and the second pulley (3) to fix the first pulley (2) and the second pulley (3) on the fixing holes at the two ends of the bottom of the plate frame (1).

6. A ground tackle as claimed in claim 1, characterized in that the lifting eye (8) is secured in the lifting eye securing opening on both sides of the plate frame (1) by means of a cotter pin (10).

7. A ground tackle as claimed in claim 1, wherein the central bottom of the plate frame (1) is provided with a threaded hole at a position opposite to the aluminum slide plate (13), and the bolt mandril (7) is arranged in the threaded hole.

8. A tackle as claimed in claim 1, wherein the top end of the lead screw (9) is provided with a lead screw handle (14).

9. A tackle according to claim 1, wherein the bottom end of the threaded spindle (9) is provided with a spindle nut.

10. A ground tackle as claimed in claim 1, wherein the bottom of the sliding groove (102) is symmetrically provided with two stoppers.