CN215626641U

CN215626641U - Cable well lid prying device

Info

Publication number: CN215626641U
Application number: CN202121061613.8U
Authority: CN
Inventors: 陈胜荣; 黄龙; 毛志才; 彭思行; 张崇亮; 胡敏; 简传松; 何文杰; 李炽钧; 杜进彬
Original assignee: Lijiang Power Supply Bureau of Yunnan Power Grid Co Ltd)
Current assignee: Lijiang Power Supply Bureau of Yunnan Power Grid Co Ltd)
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-01-25
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a cable well lid prying device which comprises a rotating support and a prying bar, wherein the rotating support comprises a base, a fixed outer cylinder, an adjusting inner cylinder, a T-shaped positioning screw rod, a planar thrust bearing and a rotating fork head, the lower end of the fixed outer cylinder is inserted into the base, the adjusting inner cylinder is concentrically arranged inside the fixed outer cylinder, a plurality of positioning through holes which are uniformly distributed along the axial direction of the adjusting inner cylinder are arranged on the adjusting inner cylinder, the T-shaped positioning screw rod penetrates through the positioning through holes on the fixed outer cylinder and the adjusting inner cylinder, the planar thrust bearing is concentrically arranged in an inner ring at the upper end of the adjusting inner cylinder, the bottom surface of the head of the rotating fork head is located on the upper end surface of the planar thrust bearing, the tail of the rotating fork head is inserted into the inner ring of the planar thrust bearing, one end of the prying bar is provided with the prying head, a plurality of groups of supporting cross bars are arranged on a prying bar body, and the supporting cross bars are clamped into cross-shaped grooves at the top ends of the head of the rotating fork heads. The utility model has simple and novel structure and high convenience, and reduces the labor intensity.

Description

Cable well lid prying device

Technical Field

The utility model relates to the technical field of well lid opening tools, in particular to a cable well lid prying device.

Background

When laying cable or wiring operation, the cable well lid will be pried up at first to transformer substation construction or maintainer, and field operation personnel utilize the crowbar to prie the well lid usually, and the crowbar that uses at present uses the flexion of its body as the support to with ground contact, then pries up a gap with the cable well lid, then the staff relies on the gap, insert rapidly with the finger in the gap and lift the cable well lid to the well head on one side, the defect that this kind of mode exists is: the curved part with the help of the crowbar body is as the support and with ground contact, because contact surface between them is little, easily leads to ground to damage, secondly, as the support with the help of the curved part of crowbar body, the support height is unadjustable to influence the convenience of operation, just lean on the manual work to shift to one side by the cable well lid of prizing up in addition, artifical intensity of labour is big and work danger.

Therefore, how to design a cable well lid prying device which can reduce the ground damage, is convenient to operate and reduces the manual working strength becomes a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cable well lid prying device, which aims to solve the problems that the existing cable well lid prying device is easy to cause ground damage, inconvenient to operate and high in labor intensity.

The utility model provides a cable well lid prying device which comprises a rotary support and a prying bar, wherein: the rotary support comprises a base, a fixed outer cylinder, an adjusting inner cylinder, a T-shaped positioning screw rod, a plane thrust bearing and a rotary fork head;

the lower end of the fixed outer cylinder is inserted on the base, and a locking bolt connected with the fixed outer cylinder is arranged on the base;

the adjusting inner cylinder is concentrically arranged inside the fixed outer cylinder;

a plurality of positioning through holes which are uniformly distributed along the axial direction of the adjusting inner cylinder are arranged on the adjusting inner cylinder;

the T-shaped positioning screw penetrates through the positioning through holes in the fixed outer cylinder and the adjusting inner cylinder;

the plane thrust bearing is concentrically arranged in an inner ring at the upper end of the adjusting inner cylinder;

the top end of the head part of the rotating fork head is provided with a cross-shaped groove, and the bottom surface of the head part of the rotating fork head is positioned on the upper end surface of the plane thrust bearing;

the tail part of the rotary fork head is inserted into the inner ring of the plane thrust bearing, a limiting piece is arranged on the bottom surface of the tail part of the rotary fork head through a fixing bolt in threaded connection with the tail part of the rotary fork head, and the limiting piece is abutted against the lower end surface of the plane thrust bearing;

one end of the crowbar is provided with a crowbar head, the crowbar is provided with a plurality of groups of supporting cross bars which are uniformly distributed along the axial direction of the crowbar, the axial direction of each supporting cross bar is vertical to the axial direction of the crowbar, and the supporting cross bars are clamped into cross-shaped grooves at the top ends of the head parts of the rotating fork heads.

Optionally, one end of the crowbar, which is far away from the crow head, is connected with a force application rod through threads.

Optionally, the stress application rod is sleeved with a plastic handle sleeve.

Optionally, the crowbar is bent adjacent to the end provided with the crow head.

According to the technical scheme, the utility model provides a cable well lid prying device, before the well lid is pried, two groups of S-shaped hooks are respectively buckled on two groups of lifting lugs on a well lid by means of an auxiliary tool matched with the cable well lid prying device, a rotating support is placed beside a well mouth, a base of the rotating support is supported on the ground, the supporting surface of the base is large, the pressure on the ground per unit area is small, the ground damage can be reduced, a supporting cross bar is clamped into a cross-shaped groove at the top end of the head of a rotating fork head, a prying head at one end of a prying bar hooks an iron chain, a force applying rod is pressed downwards to pry the well lid, the rotating fork head can rotate under the action of external force by means of the action of a plane thrust bearing, and the prying bar deflects under the rotating support of the rotating fork head by applying the deflection force to the force applying rod, and then make the sled head drive be equipped with its well lid of prizing and take place the skew together, finally can shift the well lid to one side of well head, improved the factor of safety of work and reduced artificial intensity of labour, its simple structure, novelty, the convenience is high.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any inventive exercise.

Fig. 1 is a three-dimensional structure view of a cable manhole cover prying device provided by the utility model.

Fig. 2 is a three-dimensional structure view of a rotary support of the cable manhole cover prying device provided by the utility model.

Fig. 3 is a sectional view of a rotary support of a cable manhole cover prying device provided by the utility model.

Fig. 4 is a diagram of a hook configuration for use with the present invention.

In the figure: 1-crowbar; 2-a base; 3, fixing the outer cylinder; 4-adjusting the inner cylinder; 5-T type positioning screw rod; 6-plane thrust bearing; 7-rotating the fork head; 8-locking the bolt; 9-positioning the through hole; 10-fixing the bolt; 11-a limiting sheet; 12-crow head; 13-supporting the bar; 14-a stress application rod; 15-plastic handle sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described, and it will be appreciated by those skilled in the art that the present invention may be embodied without departing from the spirit and scope of the utility model, and therefore the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1-3, the utility model provides a cable manhole cover prying device, which comprises a rotating support and a prying bar 1, wherein the rotating support comprises a base 2, a fixed outer cylinder 3, an adjusting inner cylinder 4, a T-shaped positioning screw 5, a planar thrust bearing 6 and a rotating fork 7, the lower end of the fixed outer cylinder 3 is inserted on the base 2, the base 2 is provided with a locking bolt 8 connected with the fixed outer cylinder 3, the adjusting inner cylinder 4 is concentrically arranged inside the fixed outer cylinder 3, the adjusting inner cylinder 4 is provided with a plurality of positioning through holes 9 uniformly distributed along the axial direction of the adjusting inner cylinder, the T-shaped positioning screw 5 penetrates through the positioning through holes 9 on the fixed outer cylinder 3 and the adjusting inner cylinder 4, and through the structural design, the T-shaped positioning screw 5 can realize height adjustment of the adjusting inner cylinder 4 by being inserted in the positioning through holes 9 with different heights, so as to further realize the adjustment of the whole height of the rotating support, plane thrust bearing 6 sets up with one heart in adjusting the inner circle of inner tube 4 upper end, 7 head tops of rotatory jaw are equipped with cross-shaped groove, and the bottom surface of 7 heads of rotatory jaw is located the up end at plane thrust bearing 6, and 7 afterbody cartridge of rotatory jaw is in plane thrust bearing 6's inner circle, and the bottom surface department of 7 afterbody of rotatory jaw installs spacing piece 11 through the fixing bolt 10 rather than threaded connection, spacing piece 11 and plane thrust bearing 6's lower terminal surface butt, the one end of crowbar 1 is equipped with crow bar 12, is equipped with multiunit along its axial evenly distributed's supporting cross bar 13 on the crow bar 1, supporting cross bar 13 axial and 1 axial of crow bar are perpendicular, and supporting cross bar 13 is used for the card to go into the cross-shaped inslot on 7 head tops of rotatory jaw.

In this embodiment, the one end that crowbar 1 kept away from and is equipped with pinch bar 12 is equipped with threaded connection and has a booster 14, the cover is equipped with plastic handle cover 15 on the booster 14, improves and uses the travelling comfort.

In this embodiment, the crowbar 1 is bent adjacent to the end provided with the crow head 12, so as to adapt to human mechanics, and further save physical strength of workers in the prying process.

The working principle is as follows:

before the work of prying the well lid is carried out, by means of an auxiliary tool matched with the well lid prying tool, two groups of S-shaped hooks shown in the figure 4 are adopted and respectively buckled on two groups of lifting lugs on the well lid, the two groups of S-shaped hooks are bolted by an iron chain, then the well lid prying tool is assembled, after the well lid prying tool is assembled, a rotating support is placed beside a well mouth, a base 2 of the rotating support is supported on the ground, the supporting surface of the base 2 is large, the pressure on the ground per unit area is small, the ground damage can be reduced, then a supporting cross bar 13 on a prying rod 1 is clamped into a cross-shaped groove at the top end of the head of a rotating fork 7, a prying head 12 at one end of the prying rod 1 hooks the iron chain, then a force is applied to press a force applying rod 14 downwards to pry the well lid, the rotating fork 7 can rotate under the action of an external force applying the force to the force applying rod 14, so that the prying rod 1 deflects under the rotating fork 7, and then make sled head 12 drive the well lid of being equipped with its sled and take place the skew together, finally can shift the well lid to one side of well head, improved the factor of safety of work and reduced artificial intensity of labour.

The foregoing is merely a detailed description of the utility model, and it should be noted that modifications and adaptations by those skilled in the art may be made without departing from the principles of the utility model, and should be considered as within the scope of the utility model.

Claims

1. The utility model provides a cable well lid prying device, its characterized in that, cable well lid prying device includes rotatory support, crowbar, wherein: the rotary support comprises a base, a fixed outer cylinder, an adjusting inner cylinder, a T-shaped positioning screw rod, a plane thrust bearing and a rotary fork head;

2. The cable well lid prying device according to claim 1, wherein an end of the crowbar, which is far away from the crow head, is connected with a force application rod through threads.

3. The cable well lid prying device according to claim 2, wherein a plastic handle sleeve is sleeved on the stressing rod.

4. The cable well lid prying device of claim 1, wherein the crowbar is bent adjacent to an end where the crowbar head is located.