CN220553682U - Distribution line grounding steel drill drawing device - Google Patents

Abstract

The utility model provides a distribution line grounding steel drill pulling device which comprises a vertically arranged supporting arm, a prying bar and a U-shaped caliper which can be clamped on a grounding steel drill, wherein the middle part of the prying bar is in pin joint with the upper end of the supporting arm, the two ends of the prying bar can rotate up and down freely along the supporting arm, the U-shaped caliper is arranged at one end of the prying bar, one side of the U-shaped caliper is transversely provided with a force applying arm, one end of the force applying arm, which is far away from the U-shaped caliper, is provided with a first pin roll, the first pin roll is in pin joint with the prying bar, the opening end of the U-shaped caliper is mutually perpendicular to the prying bar, the U-shaped caliper can be overturned up and down freely along the prying bar, when the other end of the prying bar rotates downwards, the U-shaped caliper moves upwards by utilizing the lever principle, the U-shaped caliper can be clamped on the side wall of the grounding steel drill by utilizing overturning force, and the grounding steel drill can be pulled upwards to be separated from the ground.

Description

Distribution line grounding steel drill drawing device

Technical Field

The utility model relates to the technical field of grounding steel drill drawing, in particular to a power distribution line grounding steel drill drawing device.

Background

In the maintenance or construction of an electric power distribution line, a grounding wire is frequently used as a technical protection measure for workers in power failure operation, one end of the grounding wire is connected to a power failure conducting wire in use, the other end of the grounding wire is inserted into the ground below 0.6 m through a grounding steel rod, the specified requirement is met, the grounding steel rod needs to be pulled out after the operation is finished, the grounding steel rod is often inserted into the ground in hard geology in the maintenance operation process, or when the maintenance is carried out in winter, a frozen soil layer is arranged on the ground surface, after the grounding steel rod is inserted, the ground is very difficult to take out, and the situation that the ground cannot be pulled out frequently occurs.

In the prior art, the authorized bulletin number is CN212257957U, discloses a portable ground connection borer extractor, through rotating the upper end at the support column and being connected with the dwang, the one end fixedly connected with couple of dwang is at the other end of hanging the ground connection borer with the couple, and the staff pushes down the other end of dwang, utilizes lever principle to extract the ground connection borer. However, in the use process of the ground borer puller, the hook can only be hung at the end part of the ground borer, and when the ground borer is pulled out upwards, the ground borer can not be pulled out directly at one time below 0.6 meter on the ground surface, and the height of the supporting column is required to be readjusted or the position of the hook is required to be readjusted, so that the ground borer puller is inconvenient to pull out, low in efficiency and low in speed.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a device for extracting grounding steel bars from a distribution line, which is convenient to fix and improves the efficiency of extracting the grounding steel bars.

The utility model provides a distribution lines ground connection drill rod pulling device, includes the support arm of vertical setting, pinch bar and can the joint U-shaped calliper on the ground connection drill rod, the middle part pin joint of pinch bar sets up the upper end at the support arm, and the free rotation about the support arm is followed at the both ends of pinch bar, U-shaped calliper sets up the wherein one end at the pinch bar, one side of U-shaped calliper transversely is provided with the force arm, the one end that the force arm kept away from U-shaped calliper is provided with first round pin axle, first round pin axle sets up with the pinch bar pin joint, the open end and the pinch bar mutually perpendicular of U-shaped calliper, and U-shaped calliper can be followed the free upset from top to bottom of pinch bar, when the other end of pinch bar rotates downwards, utilize lever principle to move U-shaped calliper upward movement, drive the U-shaped calliper of joint on the ground connection drill rod through the force arm that the upset is vertical, make U-shaped calliper centre gripping on the lateral wall of ground connection drill rod to draw upward and draw and take ground connection drill rod ground connection drill rod ground.

Preferably, a reinforcing rib plate is arranged in the U-shaped opening of the U-shaped caliper.

Preferably, the opening width of the U-shaped calipers is larger than the diameter of the grounding steel rod.

Preferably, the opening width of the U-shaped caliper is 4 cm-5 cm.

Preferably, the lower ends of the supporting arms are provided with backing plates in parallel.

Preferably, one end of the pry bar, which is far away from the U-shaped caliper, is provided with a rubber handle.

Preferably, the middle part of the pry bar is provided with a connecting lug plate, the connecting lug plate is close to one end of the U-shaped caliper and is positioned at 1/3-or 1/4 of the total length of the pry bar, the connecting lug plate is provided with a second pin shaft, the second pin shaft is in pin connection with the upper end of the supporting arm, and the two ends of the pry bar can rotate up and down along the second pin shaft.

The utility model adopts the technical proposal and has the beneficial effects that: utilize the longitudinal upset of pinch bar pulling U-shaped calliper, utilize the upset power to make U-shaped calliper and ground connection drill rod friction joint form clamping force, can carry out the centre gripping and fix to the ground connection drill rod fast to the U-shaped calliper can be followed the ground connection drill rod and to move the clamping position wantonly downwards, changes the stress point, makes things convenient for the pinch bar to apply force to the ground connection drill rod, improves the efficiency of pulling out the ground connection drill rod, and, the device simple structure, the joint is convenient, it is convenient to use.

Drawings

Fig. 1 is a schematic side view of the utility model.

Fig. 2 is a schematic perspective view of the present utility model.

Fig. 3 is a schematic view of the structure of the utility model in the pressed state.

Fig. 4 is a schematic view of the structure of the U-shaped caliper of the present utility model.

In the figure: the device comprises a supporting arm 10, a backing plate 11, a pry bar 20, a rubber handle 21, a connecting lug plate 22, a second pin shaft 23, a U-shaped caliper 30, a force application arm 31, a first pin shaft 32, a U-shaped opening 33 and a reinforcing rib plate 34.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Referring to fig. 1 to 3, an embodiment of the present utility model provides a device for pulling out a grounding steel rod of a distribution line, which includes a vertically disposed support arm 10, a pry bar 20 and a U-shaped caliper 30 capable of being clamped on the grounding steel rod, wherein the middle pin of the pry bar 20 is disposed at the upper end of the support arm 10, two ends of the pry bar 20 can freely rotate up and down along the support arm 10, the U-shaped caliper 30 is disposed at one end of the pry bar 20, one side of the U-shaped caliper 30 is transversely provided with a force applying arm 31, one end of the force applying arm 31, which is far away from the U-shaped caliper 30, is provided with a first pin shaft 32, the first pin shaft 32 is in pin connection with the pry bar 20, the open end of the U-shaped caliper 30 is mutually perpendicular to the pry bar 20, and the U-shaped caliper 30 can freely overturn up and down along the pry bar 20, when the other end of the pry bar 20 rotates down, the U-shaped caliper 30 is driven to longitudinally overturn by utilizing a lever principle to drive the U-shaped caliper 30 clamped on the grounding steel rod, and the U-shaped caliper 30 can be pulled out of the ground by applying a overturning force to the U-shaped caliper 30 to clamp the grounding steel rod to the ground, and the lifting side wall can be pulled up and separated from the ground.

Specifically, the supporting arm 10 is vertically arranged on the ground for supporting, the pry bar 20 is transversely arranged at the upper end of the supporting arm 10, the middle part of the pry bar 20 is in pin joint with the supporting arm 10, two ends of the pry bar 20 can freely rotate up and down along the supporting arm 10, the U-shaped calipers 30 are arranged at one end of the pry bar 20, the U-shaped calipers 30 are transversely arranged, the open ends of the U-shaped calipers 30 face one side of the end of the pry bar 20, the outer side wall of one side of the U-shaped calipers 30 is provided with a force applying arm 31, the force applying arm 31 is transversely arranged and is mutually perpendicular to the open ends of the U-shaped calipers 30, one end of the force applying arm 31 far away from the U-shaped calipers 30 is provided with a first pin shaft 32, the first pin shaft 32 is in pin joint with the end of the pry bar 20, the open ends of the U-shaped calipers 30 are mutually perpendicular to the length direction of the pry bar 20, the U-shaped calipers 30 can freely overturn up and down along the pry bar 20, when the pry bar 20 rotates up and down at the upper end of the supporting arm 10, the lever principle is utilized to drive the U-shaped calipers 30 to move up and down, when the grounding steel rod is pulled out, one end of the pry bar 20 provided with the U-shaped calipers 30 rotates downwards to enable the U-shaped calipers 30 to approach the lower end of the grounding steel rod, and the pry bar 20 is clamped or sleeved on the grounding steel rod through the U-shaped openings 33 of the U-shaped calipers 30 to be in a clamping state, at the moment, the other end of the pry bar 20 far from the U-shaped calipers 30 is manually pressed down, one end of the force applying arm 31 far from the U-shaped calipers 30 is pulled to move upwards, one side of the U-shaped calipers 30 clamped on the grounding steel rod is pulled up to longitudinally overturn, the two side of the U-shaped calipers 33 of the U-shaped calipers 30 are tightly abutted on the two opposite side outer walls of the grounding steel rod by utilizing overturning force, the clamping force is formed on the grounding steel rod, and under the action of the lever principle, the U-shaped clamp 30 is pried by the pry bar 20 to lift and pull the grounding steel rod upwards to be separated from the ground. In the process of pulling out the grounding steel rod, the pry bar 20 can be repeatedly pulled up or pressed down, so that the U-shaped clamp 30 moves downwards along the grounding steel rod to clamp the clamping position again, the stress point is changed, the pry bar 20 is convenient to apply force to the grounding steel rod, the grounding steel rod is pulled up and pulled up for a plurality of times, and finally the grounding steel rod is pulled away from the ground, so that the work of pulling out the grounding steel rod is completed.

Referring to fig. 3 and 4, further, a reinforcing rib plate 34 is disposed in the U-shaped opening 33 of the U-shaped caliper 30, the reinforcing rib plate 34 is welded on two side walls in the U-shaped opening 33, and pulls the two side walls in the U-shaped opening 33 to each other, so that the deformation of the U-shaped opening 33 of the U-shaped caliper 30 under the stress effect is reduced during the process of pulling out the grounding steel rod.

Further, the opening width of the U-shaped caliper 30, i.e. the opening width of the U-shaped opening 33, is larger than the diameter of the grounding steel rod, and different opening widths can be made according to the diameter of the grounding steel rod. In this embodiment, the opening width of the U-shaped caliper 30 is 4cm to 5cm, and the diameter of the grounding steel rod matched with the U-shaped caliper is smaller than the opening width of the U-shaped caliper 30 by 0.5 cm to 1cm. In the actual use process, the U-shaped caliper 30 can be detached and replaced according to the diameter of the grounding steel drill rod.

Referring to fig. 2 or 3, further, the lower end of the supporting arm 10 is provided with a pad 11 in parallel, which can be sized according to the ground condition, and mainly plays a role of increasing the contact area with the ground, and improving the supporting force.

Referring to fig. 3, further, a rubber handle 21 is disposed at an end of the pry bar 20 away from the U-shaped caliper 30, so as to facilitate manual operation and force application.

Referring to fig. 1 or 3, further, a connecting lug plate 22 is disposed in the middle of the pry bar 20, the connecting lug plate 22 is close to one end of the U-shaped caliper 30 and is located at 1/3-or 1/4 of the total length of the pry bar 20, a second pin shaft 23 is disposed on the connecting lug plate 22, the second pin shaft 23 is pinned with the upper end of the support arm 10, and two ends of the pry bar 20 can rotate up and down along the second pin shaft 23.

When the device is specifically used, one end of the pry bar 20, which is provided with the U-shaped calipers 30, is rotated downwards, so that the U-shaped calipers 30 lie on the ground surface and are clamped or sleeved on the grounding steel bars to form a clamping state, at the moment, the other end of the pry bar 20, which is far away from the U-shaped calipers 30, can be manually pressed down, the force applying arm 31 is pulled to tilt upwards, one side of the U-shaped calipers 30 clamped on the grounding steel bars is turned upwards to longitudinally, the overturning force is utilized to enable the clamp arms at two sides of the U-shaped opening 33 of the U-shaped calipers 30 to tightly lean against the outer walls at two opposite sides of the grounding steel bars, the clamping force is formed on the grounding steel bars, and the other end of the pry bar 20 is continuously pressed down, and the U-shaped calipers 30 are pulled upwards to draw the grounding steel bars to be separated from the ground by the pry bar 20. In the process of pulling out the grounding steel rod, the pry bar 20 can be repeatedly pulled up or pressed down, so that the U-shaped clamp 30 moves down along the grounding steel rod to clamp the grounding steel rod again, the grounding steel rod is pulled up and pulled up for a plurality of times, and finally the grounding steel rod is pulled away from the ground, so that the work of picking up the steel rod is completed.

The device light in weight, joint convenience, convenient to use can be easily with ground connection drill steel pull out to pull out the borer efficient, solved because of ground connection drill steel pull out the problem that the difficulty led to the fact operating personnel work efficiency low, reduced the operating time of maintenance and construction, reached the purpose that power transmission improves the power supply reliability in advance, have extensive suitability.

The foregoing disclosure is illustrative of the preferred embodiments of the present utility model, and is not to be construed as limiting the scope of the utility model, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the utility model as defined by the appended claims.

Claims (7)

1. Distribution lines ground connection drill rod pulling device, its characterized in that: including the support arm of vertical setting, pinch bar and the U-shaped calliper that can the joint on the ground connection drill rod, the middle part pin joint of pinch bar sets up the upper end at the support arm, and the free rotation about the support arm is followed at the both ends of pinch bar, U-shaped calliper sets up the one end at the pinch bar, one side of U-shaped calliper transversely is provided with the force arm, the one end that the force arm kept away from U-shaped calliper is provided with first round pin axle, first round pin axle and pinch bar pin joint set up, the open end and the pinch bar mutually perpendicular of U-shaped calliper, and U-shaped calliper can freely overturn about the pinch bar, when the other end of pinch bar rotates downwards, utilize lever principle to pry U-shaped calliper upward movement, drive the U-shaped calliper of joint on the ground connection drill rod through the force arm that applies a force, make U-shaped calliper can the centre gripping on the lateral wall of ground connection drill rod to upwards draw and draw the ground connection drill rod to break away from.

2. The distribution line grounding drill extracting apparatus of claim 1, wherein: reinforcing rib plates are arranged in the U-shaped openings of the U-shaped calipers.

3. The distribution line grounding drill extracting apparatus of claim 2, wherein: the opening width of the U-shaped calipers is larger than the diameter of the grounding steel drill rod.

4. A distribution line grounding drill extracting apparatus as defined in claim 3, wherein: the opening width of the U-shaped calipers is 4 cm-5 cm.

5. The distribution line grounding drill extracting apparatus of claim 1, wherein: the lower end of the supporting arm is provided with a backing plate in parallel.

6. The distribution line grounding drill extracting apparatus of claim 5, wherein: one end of the pry bar, which is far away from the U-shaped calipers, is provided with a rubber handle.

7. The distribution line grounding drill extracting apparatus of claim 6, wherein: the middle part of the pry bar is provided with a connecting lug plate, the connecting lug plate is close to one end of the U-shaped caliper and is positioned at 1/3-or 1/4 of the total length of the pry bar, a second pin shaft is arranged on the connecting lug plate and is in pin connection with the upper end of the supporting arm, and the two ends of the pry bar can rotate up and down along the second pin shaft.