CN219246967U

CN219246967U - Grounding rod

Info

Publication number: CN219246967U
Application number: CN202320593992.8U
Authority: CN
Inventors: 李承澳; 李中明
Original assignee: Hebei Qianmo Electrical Appliance Co ltd
Current assignee: Hebei Qianmo Electrical Appliance Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-06-23
Anticipated expiration: 2033-03-23

Abstract

The utility model provides a grounding rod, which belongs to the technical field of grounding equipment and comprises a clamp head and a handheld rod. The clamp head is used for clamping the wire; the clamp head comprises a main clamp body, a movable clamp body, a back-pushing sleeve and a back-pushing screw rod; the movable clamp body is rotationally connected with the middle part of the main clamp body, the tail part of the movable clamp body is provided with a guide chute, and the guide chute is vertical to the length direction of the movable clamp body; the reverse pushing sleeve is rotatably arranged at the tail part of the main clamp body; one end of the back-pushing screw rod is in threaded connection with the back-pushing sleeve, and the other end of the back-pushing screw rod is provided with a guide rod which is in sliding fit with the guide chute; the hand-held rod comprises a fixed rod and a rotating rod; one end of the fixed rod is detachably connected with the tail part of the main clamp body; the rotating rod penetrates through the inside of the fixed rod and is connected with the reverse pushing sleeve and used for driving the reverse pushing sleeve to rotate around the shaft. According to the grounding rod, mechanical transmission is adopted, so that the clamping force of the clamp to the power transmission line cannot be reduced along with the extension of time, and the risk that the grounding rod falls off from the power transmission line is eliminated.

Description

Grounding rod

Technical Field

The utility model belongs to the technical field of grounding equipment, and particularly relates to a grounding rod.

Background

When the grounding wire is hung or detached, equipment power failure and personal accidents can be caused if the operation is improper. Therefore, it is necessary to effectively avoid the safety risk existing in the process of assembling and disassembling the grounding wire through technical means. .

Chinese patent application No. CN200720155915.5 discloses a low voltage clamp type earthing rod, in which a spring is provided at the middle part of the clamp body to automatically separate two handles so as to clamp the clamp, so that the clamp automatically clamps the high and low voltage lines, and symmetrical concave grooves are provided at the clamping part of the clamp for clamping and holding the high and low voltage lines, so as to prevent sliding on the working line, thereby completing the construction operation.

After the grounding rod is used for a period of time, the spring is easy to age, so that the clamping force of the clamp to the high-low voltage line is reduced, and the grounding rod falls off from the high-low voltage line.

Disclosure of Invention

The utility model aims to provide a grounding rod, which aims to solve the problems that the clamping force on a power transmission line is reduced and the grounding rod is easy to fall off from the power transmission line due to aging of a spring in the prior grounding rod.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a ground rod including:

the clamp head is used for clamping the lead; the clamp head comprises a main clamp body, a movable clamp body, a reverse push sleeve and a reverse push screw; the movable clamp body is rotationally connected with the middle part of the main clamp body, the tail part of the movable clamp body is provided with a guide chute, and the guide chute is vertical to the length direction of the movable clamp body; the reverse pushing sleeve is rotatably arranged at the tail part of the main clamp body; one end of the back-pushing screw rod is in threaded connection with the back-pushing sleeve, and the other end of the back-pushing screw rod is provided with a guide rod in sliding fit with the guide chute; and

the handheld rod comprises a fixed rod and a rotating rod; one end of the fixing rod is detachably connected with the tail part of the main clamp body; the rotating rod penetrates through the fixing rod and is connected with the reverse pushing sleeve and used for driving the reverse pushing sleeve to rotate around the shaft.

In one possible implementation, the guide rod is rotatably provided with a roller, and the roller is contacted with two side walls of the guide chute.

In one possible implementation manner, an annular groove is formed in the outer peripheral surface of the thrust reverser sleeve, a limit screw is mounted on the main clamp body, and one end of the limit screw is located in the annular groove.

In one possible implementation manner, an insert block is arranged at one end of the thrust reverser sleeve, which is far away from the thrust reverser screw rod, an anti-rotation edge is arranged on the insert block, and a slot in insertion fit with the insert block is arranged at the end part of the rotating rod.

In one possible implementation manner, a limiting protrusion is arranged on the outer wall of the tail of the main clamp body, a limiting clamping groove corresponding to the limiting protrusion is arranged on the outer wall of the end portion of the fixing rod, and the limiting clamping groove is communicated with the end face of the fixing rod.

In one possible implementation manner, the limiting clamping groove comprises a first connecting groove, a second connecting groove and a third connecting groove which are sequentially communicated, wherein the first connecting groove is communicated with the end face of the fixing rod, the length directions of the first connecting groove and the third connecting groove are consistent with the axial direction of the fixing rod, and the second connecting groove is communicated with one end, away from the end face of the fixing rod, of the first connecting groove and the third connecting groove.

In one possible implementation manner, the fixed rod is provided with a limit sleeve and an elastic reset piece; the limiting sleeve is sleeved outside the fixed rod; the elastic resetting piece is arranged between the fixed rod and the limiting sleeve and is used for applying acting force towards one side of the main clamp body to the limiting sleeve so that the limiting sleeve is propped against the limiting protrusion.

In one possible implementation, the elastic restoring element is a compression spring, and is sleeved on the fixing rod.

In one possible implementation manner, the compression spring is located inside the limiting sleeve, a limiting flange is arranged on the inner wall of the limiting sleeve, and one end of the compression spring abuts against the limiting flange.

In one possible implementation, a handle is mounted to the end of the rotating rod remote from the thrust reverser sleeve, the handle being located externally of the fixed rod.

Compared with the prior art, the scheme disclosed by the embodiment of the application has the advantages that the movable clamp body is rotatably arranged in the middle of the main clamp body, the back-pushing sleeve is rotatably arranged at the tail of the main clamp body, one end of the back-pushing screw is in threaded connection with the back-pushing sleeve, the other end of the back-pushing screw is in sliding fit with the guide chute on the movable clamp body through the guide rod, the fixed rod is detachably arranged at the tail of the main clamp body, and the rotating rod penetrates through the inside of the fixed rod and is connected with the back-pushing sleeve. The operating personnel holds the dead lever and drives the dwang to rotate simultaneously, and the thrust reverser sleeve rotates and drives the thrust reverser screw to move along its axial along with the dwang in step, and the guide bar slides in the guide chute under the effect of thrust reverser screw, and then drives the movable clamp body and rotate around the axle, finally realizes opening or closing of binding clip to press from both sides tight or release with the power transmission line. Because all adopt for the earth bar of this application mechanical transmission, so clamp the clamp force of clamp to the power transmission line and can not diminish along with the extension of time to the risk that earth bar drops from the power transmission line has been eliminated.

Drawings

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 or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a grounding rod according to an embodiment of the present utility model;

fig. 2 is a schematic perspective view of a clamp head according to an embodiment of the present utility model;

fig. 3 is a schematic perspective view of a thrust sleeve and a thrust screw according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a hand-held wand according to an embodiment of the present utility model;

fig. 5 is a schematic partial structure of a grounding rod according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a partial structure of a fixing rod according to an embodiment of the present utility model;

fig. 7 is a partial cross-sectional view of a hand lever provided in an embodiment of the present utility model.

In the figure: 1. a clamp head; 101. a main clamp body; 102. a movable clamp body; 103. pushing the sleeve reversely; 104. back-pushing the screw rod; 105. a guide chute; 106. a guide rod; 107. a roller; 108. an annular groove; 109. a limit screw; 110. inserting blocks; 111. anti-rotation edges; 112. a limit protrusion; 2. a hand-held lever; 201. a fixed rod; 202. a rotating lever; 203. a slot; 204. a limit clamping groove; 205. a first connection groove; 206. a second connecting groove; 207. a third connecting groove; 208. a limit sleeve; 209. an elastic reset piece; 210. a limiting flange; 211. a handle.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 3, a description will now be given of a grounding rod according to the present utility model. The grounding rod comprises: a clamp head 1 and a hand-held rod 2. The clamp head 1 is used for clamping a wire; the clamp head 1 comprises a main clamp body 101, a movable clamp body 102, a back-pushing sleeve 103 and a back-pushing screw 104; the movable clamp body 102 is rotationally connected with the middle part of the main clamp body 101, the tail part of the movable clamp body 102 is provided with a guide chute 105, and the guide chute 105 is vertical to the length direction of the movable clamp body 102; the reverse pushing sleeve 103 is rotatably arranged at the tail part of the main clamp body 101; one end of the back-pushing screw 104 is in threaded connection with the back-pushing sleeve 103, and the other end of the back-pushing screw is provided with a guide rod 106 which is in sliding fit with the guide chute 105; the hand-held lever 2 includes a fixed lever 201 and a rotating lever 202; one end of the fixed rod 201 is detachably connected with the tail part of the main clamp body 101; the rotating rod 202 penetrates through the inside of the fixed rod 201 and is connected with the thrust reverser sleeve 103, and is used for driving the thrust reverser sleeve 103 to rotate around the shaft.

Compared with the prior art, the grounding rod provided by the embodiment has the advantages that the movable clamp body 102 is rotatably arranged in the middle of the main clamp body 101, the back-pushing sleeve 103 is rotatably arranged at the tail of the main clamp body 101, one end of the back-pushing screw 104 is in threaded connection with the back-pushing sleeve 103, the other end of the back-pushing screw is in sliding fit with the guide chute 105 on the movable clamp body 102 through the guide rod 106, the fixing rod 201 is detachably arranged at the tail of the main clamp body 101, and the rotating rod 202 penetrates through the fixing rod 201 and is connected with the back-pushing sleeve 103. The operator holds the fixed rod 201 and drives the rotating rod 202 to rotate, the reverse pushing sleeve 103 synchronously rotates along with the rotating rod 202 and drives the reverse pushing screw 104 to axially move, the guide rod 106 slides in the guide chute 105 under the action of the reverse pushing screw 104, and then drives the movable clamp body 102 to rotate around the shaft, and finally, the clamp head 1 is opened or closed, so that the power transmission line is clamped or released. Because all adopt for the earth bar of this application mechanical transmission, so clamp the clamp force of clamp to the power transmission line and can not diminish along with the extension of time to the risk that earth bar drops from the power transmission line has been eliminated.

In this embodiment, a threaded hole in threaded connection with the thrust reverser screw 104 is provided in the center of the thrust reverser sleeve 103.

In some embodiments, referring to fig. 2 and 3, the guide bar 106 is rotatably mounted with a roller 107, and the roller 107 contacts both sidewalls of the guide chute 105. In this embodiment, the guide bar 106 is fixedly connected to the thrust reverser screw 104. The roller 107 is sleeved on the guide rod 106 and is rotationally connected with the guide rod 106. The roller 107 is a copper sleeve with good wear resistance. The rolling friction is adopted between the roller 107 and the movable clamp, so that the friction resistance is greatly reduced, and an operator can save more labor when operating the grounding rod.

In some embodiments, referring to fig. 2 and 3, an annular groove 108 is formed on the outer peripheral surface of the thrust collar 103, and a limit screw 109 is mounted on the main clamp body 101, and one end of the limit screw 109 is located in the annular groove 108. In this embodiment, the annular groove 108 is coaxially disposed with the thrust collar 103, and the inner wall of the annular groove 108 is an arc surface. Two limit screws 109 are mounted on the main clamp body 101 and are uniformly arranged along the circumferential direction of the annular groove 108. One end of the limit screw 109 extends into the annular groove 108, thereby limiting the freedom of movement of the thrust reverser sleeve 103 in the axial direction thereof and preventing the reverser sleeve 103 from being pulled out of the main caliper body 101.

In some embodiments, referring to fig. 3 and 4, an insert block 110 is disposed at an end of the thrust collar 103 away from the thrust screw 104, an anti-rotation edge 111 is disposed on the insert block 110, and a slot 203 is disposed at an end of the rotation rod 202 and is in plug-in fit with the insert block 110. In this embodiment, the insert 110 is integrally formed with the thrust sleeve 103. The cross-sectional shape of the insert 110 is a polygon, and the rotation preventing side 111 is any side of the polygon. The socket 203 matches the size and shape of the insert 110. The rotating rod 202 moves towards the reverse pushing sleeve 103, so that the insert 110 is inserted into the slot 203, the reverse pushing sleeve 103 and the rotating rod 202 are detachably connected, and the reverse pushing sleeve 103 can be driven to synchronously rotate by driving the rotating rod 202 to rotate.

In some embodiments, referring to fig. 2, 4 and 5, a limiting protrusion 112 is disposed on an outer wall of a tail portion of the main clamp body 101, a limiting slot 204 corresponding to the limiting protrusion 112 is disposed on an outer wall of an end portion of the fixing rod 201, and the limiting slot 204 is in communication with an end surface of the fixing rod 201. In this embodiment, the limiting protrusions 112 are cylindrical, and the number of the limiting protrusions 112 is two, which are symmetrically arranged on the main pincer body 101. The number of the limit clamping grooves 204 is the same as that of the limit protrusions 112. The limit protrusion 112 and the main clamp body 101 can be fixed by welding. The fixing rod 201 is moved to one side of the main clamp body 101, so that the limit protrusion 112 moves into the limit clamping groove 204, and the fixing rod 201 and the main clamp body 101 are detachably connected.

In some embodiments, referring to fig. 6, the limiting slot 204 includes a first connecting slot 205, a second connecting slot 206 and a third connecting slot 207 that are sequentially communicated, where the first connecting slot 205 is communicated with an end surface of the fixing rod 201, and the length directions of the first connecting slot 205 and the third connecting slot 207 are consistent with the axial direction of the fixing rod 201, and the second connecting slot 206 is communicated with one end of the first connecting slot 205 and the third connecting slot 207 away from the end surface of the fixing rod 201. In the present embodiment, the length direction of the first and

third connection grooves

205 and 207 is consistent with the axial direction of the fixing lever 201. The first connecting groove 205 communicates with the end surface of the fixing lever 201, and the second connecting groove 206 communicates with the first connecting groove 205 and one end of the third connecting groove 207 away from the end surface of the fixing lever 201. The length dimension of the third connecting groove 207 is smaller than the length dimension of the first connecting groove 205. The limiting protrusion 112 sequentially passes through the first connecting groove 205 and the second connecting groove 206 and finally enters the third connecting groove 207, and the width dimension of the third connecting groove 207 is the same as the diameter dimension of the limiting protrusion 112. The third connecting groove 207 is used for limiting the clamping connection of the limiting protrusion 112, so that the fixing rod 201 and the main clamp body 101 are detachably connected.

In some embodiments, referring to fig. 4, 5 and 7, the fixing rod 201 is provided with a limiting sleeve 208 and an elastic reset piece 209; the limiting sleeve 208 is sleeved outside the fixed rod 201; the elastic reset piece 209 is installed between the fixed rod 201 and the stop collar 208, and is used for applying a force to the stop collar 208 towards one side of the main clamp body 101, so that the stop collar 208 abuts against the stop protrusion 112. In this embodiment, the limiting sleeve 208 is sleeved on the outer portion of the fixing rod 201, and can move along the axial direction of the fixing rod 201. An elastic restoring member 209 is installed between the fixing rod 201 and the stop collar 208, and the elastic restoring member 209 applies a force to the stop collar 208 toward the side of the main caliper body 101. After the limiting protrusion 112 is assembled to the third connecting groove 207, the limiting sleeve 208 applies a force towards one side of the main clamp body 101 to the limiting protrusion 112 under the elastic force of the elastic reset piece 209, so as to prevent the limiting protrusion 112 from being separated from the third connecting groove 207, and ensure the connection stability between the fixing rod 201 and the main clamp body 101.

In some embodiments, referring to fig. 7, the elastic restoring member 209 is a compression spring and is sleeved on the fixing rod 201. In this embodiment, the elastic restoring member 209 is a compression spring. The elastic reset piece 209 has the limiting function on the fixing rod 201, so that the elastic reset piece 209 can be effectively prevented from being distorted and deformed to a large extent.

In some embodiments, referring to fig. 7, the compression spring is located inside the stop collar 208, and a stop flange 210 is disposed on the inner wall of the stop collar 208, and one end of the compression spring abuts against the stop flange 210. In this embodiment, the limiting flange 210 has a circular ring structure and is welded and fixed with the limiting sleeve 208. The area of the fixing rod 201 corresponding to the limit sleeve 208 is stepped. The compression spring is located inside the stop collar 208, with one end of the compression spring resting against the stop flange 210 and the other end resting against the stepped profile of the fixing bar 201.

In some embodiments, referring to fig. 1 and 4, a handle 211 is mounted on an end of the rotation rod 202 remote from the thrust reverser sleeve 103, and the handle 211 is located outside the fixed rod 201. In this embodiment, the handle 211 is made of rubber, and is sleeved on the outer portion of the rotating rod 202 and is far away from one end of the thrust reverser 103. Rubber is insulating material and has certain flexibility, can prevent effectively that operating personnel from electrocuting to improve operating personnel and hold the travelling comfort of dwang 202.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A ground rod, comprising:

2. A grounding bar as in claim 1, wherein said guide bar is rotatably mounted with rollers, said rollers contacting both side walls of said guide chute.

3. The grounding rod as defined in claim 1, wherein an annular groove is formed in the outer peripheral surface of the thrust reverser sleeve, a limit screw is mounted on the main clamp body, and one end of the limit screw is located in the annular groove.

4. The grounding rod of claim 1, wherein an insert block is arranged at one end of the reverse thrust sleeve away from the reverse thrust screw rod, an anti-rotation edge is arranged on the insert block, and a slot in insertion fit with the insert block is arranged at the end of the rotating rod.

5. The grounding rod according to claim 1, wherein the outer wall of the tail part of the main clamp body is provided with a limiting protrusion, the outer wall of the end part of the fixing rod is provided with a limiting clamping groove corresponding to the limiting protrusion, and the limiting clamping groove is communicated with the end face of the fixing rod.

6. The grounding rod of claim 5, wherein the limiting clamping groove comprises a first connecting groove, a second connecting groove and a third connecting groove which are communicated in sequence, the first connecting groove is communicated with the end face of the fixing rod, the length directions of the first connecting groove and the third connecting groove are consistent with the axial direction of the fixing rod, and the second connecting groove is communicated with one end, far away from the end face of the fixing rod, of the first connecting groove and the third connecting groove.

7. The grounding bar as defined in claim 6, wherein said fixed rod is provided with a stop collar and an elastic return member; the limiting sleeve is sleeved outside the fixed rod; the elastic resetting piece is arranged between the fixed rod and the limiting sleeve and is used for applying acting force towards one side of the main clamp body to the limiting sleeve so that the limiting sleeve is propped against the limiting protrusion.

8. The ground rod of claim 7, wherein said resilient return member is a compression spring, and is sleeved on said fixed rod.

9. The ground rod of claim 8, wherein the compression spring is located inside the stop collar, a stop flange is disposed on an inner wall of the stop collar, and one end of the compression spring abuts against the stop flange.

10. A grounding bar as in claim 1 wherein said rotatable shaft has a handle mounted at an end thereof remote from said thrust reverser sleeve, said handle being located externally of said stationary shaft.