Electric power grounding bolt for electric power engineering

Abstract

The utility model belongs to the technical field of electric power grounding bolts, and particularly relates to an electric power grounding bolt for electric power engineering, which comprises a grounding bolt, the upper side of the grounding bolt is provided with a sliding groove, the upper side of the grounding bolt is provided with a nut in a threaded manner, the inner side of the sliding groove is slidably provided with a pressing block, the upper side of the pressing block is provided with a clamping block, and the clamping block is connected with the nut in an inserted manner. A cable is inserted into the inner side of the sliding groove and arranged on the lower side of the pressing block, a threaded hole is formed in the lower side of the grounding bolt, the threaded hole is communicated with the sliding groove, a grounding rod is arranged on the lower side of the grounding bolt in a threaded mode through the threaded hole, the upper side of the grounding bolt is sleeved with an upper sleeve shell, and first threading grooves are symmetrically formed in the lower side of the upper sleeve shell. When in use, the upper sleeve shell and the lower sleeve shell are respectively sleeved on the upper side and the lower side of the grounding bolt to protect the grounding bolt, so that the grounding bolt is prevented from being directly exposed outside, the corrosion speed of the grounding bolt, a nut and the like is greatly reduced, the maintenance and replacement frequency is reduced, and the manpower and material resource investment is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power grounding bolts, and in particular relates to an electric power grounding bolt used in electric power engineering. Background Art

[0002] Power grounding bolts are used to fix connecting cables and grounding rods and conduct current into the ground. However, current power grounding bolts have no protective devices and are generally exposed directly to the outside. After long-term use, the power grounding bolts are prone to rust, resulting in poor conductivity or loose connections, and require frequent maintenance and replacement, wasting manpower and material resources. Utility Model Content

[0003] In view of the above problems, the purpose of the utility model is to provide an electric grounding bolt for use in power engineering, which solves the problem that the electric grounding bolt is used to fix and connect cables and grounding rods to conduct current into the ground, but the current electric grounding bolt has no protective device and is generally directly exposed to the outside. After long-term use, the electric grounding bolt is prone to rust, poor conductivity or loose connection, etc., and requires frequent maintenance and replacement, which wastes manpower and material resources.

[0004] To achieve the above purpose, the utility model adopts the following technical solution: an electric grounding bolt for electric power engineering, comprising a grounding bolt, a sliding groove is provided on the upper side of the grounding bolt, a nut is threadedly provided on the upper side of the grounding bolt, a pressure block is slidably provided on the inner side of the sliding groove, a clamping block is provided on the upper side of the clamping block, the clamping block is plugged with the nut, a cable is plugged into the inner side of the sliding groove, the cable is provided on the lower side of the clamping block, a threaded hole is provided on the lower side of the grounding bolt, and the threaded hole is connected to the sliding groove A grounding rod is threadedly provided on the lower side of the grounding bolt through a threaded hole, an upper shell is sleeved on the upper side of the grounding bolt, a wire threading groove one is symmetrically provided on the lower side of the upper shell, the cable is clamped with the upper shell through the wire threading groove one, a lower shell is sleeved on the lower side of the upper shell, a wire threading groove two is provided on the upper side of the lower shell, the cable is clamped with the lower shell through the wire threading groove two, a wire clamping groove is provided on one side of the wire threading groove two, the wire clamping groove is clamped with the cable, and the upper end of the grounding rod is plugged into the lower shell.

[0005] The beneficial effects of the utility model are as follows: when in use, the upper shell and the lower shell are respectively sleeved on the upper and lower sides of the grounding bolt to protect the grounding bolt and prevent the grounding bolt from being directly exposed to the outside, greatly reducing the corrosion rate of the grounding bolt and the nut, reducing the maintenance and replacement frequency, and saving manpower and material resources.

[0006] In order to increase the stability of the upper shell relative to the grounding bolt;

[0007] As a further improvement of the above technical solution: sliding blocks are symmetrically arranged on both sides of the grounding bolt, and a clamping groove is opened on the inner side of the lower side of the upper shell, and the sliding block is slidably clamped with the clamping groove.

[0008] The beneficial effect of this improvement is that the sliding block is provided to be slidably engaged with the upper shell through the engaging groove, thereby facilitating increasing the stability of the upper shell relative to the grounding bolt.

[0009] In order to facilitate observation of the connection status of the inner grounding bolts, nuts and other structures;

[0010] As a further improvement of the above technical solution: the upper shell is made of transparent material.

[0011] The beneficial effect of this improvement is that the upper shell is made of transparent material, which makes it easy to observe the connection status of the inner grounding bolt, nut and other structures.

[0012] To increase the stability of the device relative to the ground;

[0013] As a further improvement of the above technical solution: a collar is arranged on the outer side of the lower side of the lower shell, and grounding spikes are arranged equidistantly around the lower side of the collar.

[0014] The beneficial effect of this improvement is: a collar is provided, and when the grounding rod is inserted into the ground, the lower side of the lower shell will contact the ground, and the collar is inserted into the ground through the grounding spike, which will stably restrict the lower shell, thereby increasing the stability of the device relative to the ground and preventing the device from moving relative to the ground.

[0015] In order to reduce the penetration of water vapor from the ground into the inner side of the lower shell;

[0016] As a further improvement of the above technical solution: a sealing rubber ring is provided at the plug-in position of the ground rod and the lower casing, and the ground rod and the sealing rubber ring are plugged in.

[0017] The beneficial effects of this improvement are: a sealing rubber ring is provided to increase the sealing performance of the joint between the ground rod and the lower casing, thereby reducing the penetration of water vapor from the ground into the inner side of the lower casing.

[0018] In order to increase the stability of the fixed connection with the cable;

[0019] As a further improvement of the above technical solution: the lower side of the sliding groove is a circular arc concave surface, and the lower side of the pressing block is evenly provided with friction grooves.

[0020] The beneficial effect of this improvement is that the lower side of the sliding groove is a circular arc concave surface, and the lower side of the pressing block is evenly provided with friction grooves, which increases the contact and fitting effect and friction strength with the cable, thereby increasing the stability of the fixed connection with the cable.

[0021] In order to increase the rotation limit of the nut;

[0022] As a further improvement of the above technical solution: a movable groove is opened through the side of the clamping block, a limiting block is inserted through the inner side of the movable groove, the thickness of the movable groove is greater than the thickness of the limiting block, and a bolt is threadedly provided on the upper side of the clamping block, and the bolt passes through the inner side of the movable groove and contacts the limiting block.

[0023] The beneficial effect of this improvement is that by tightening the bolt, the bolt pushes the limiting block downward to press the nut, which is convenient for increasing the rotation restriction of the nut and making the nut difficult to loosen.

[0024] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0026] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0027] Figure 3 It is a structural schematic diagram of the upper casing in the utility model;

[0028] Figure 4 It is a structural schematic diagram of the lower casing in the utility model;

[0029] Figure 5 This is a schematic diagram of the connection structure of the grounding bolt in the utility model;

[0030] Figure 6 This is a schematic diagram of the connection structure of the pressure block in the utility model;

[0031] In the figure: 1. grounding bolt; 2. sliding groove; 3. nut; 4. pressure block; 5. clamping block; 51. movable groove; 52. limiting block; 53. bolt; 6. cable; 7. threaded hole; 8. grounding rod; 9. sliding block; 10. upper shell; 11. clamping groove; 12. threading groove one; 13. lower shell; 14. threading groove two; 15. clamping groove; 16. sealing rubber ring; 17. ring; 18. grounding spike. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.

[0033] like Figure 1 — Figure 6As shown: an electric grounding bolt for electric power engineering, comprising a grounding bolt 1, a sliding groove 2 is provided on the upper side of the grounding bolt 1, a nut 3 is threadedly arranged on the upper side of the grounding bolt 1, a pressing block 4 is slidably arranged on the inner side of the sliding groove 2, a clamping block 5 is provided on the upper side of the clamping block 4, the clamping block 5 is plugged with the nut 3, a cable 6 is plugged into the inner side of the sliding groove 2, the cable 6 is arranged on the lower side of the clamping block 4, a threaded hole 7 is provided on the lower side of the grounding bolt 1, the threaded hole 7 is connected to the sliding groove 2 The grounding bolt 1 is connected, the lower side of the grounding bolt 1 is threadedly provided with a grounding rod 8 through a threaded hole 7, the upper side of the grounding bolt 1 is sleeved with an upper shell 10, the lower side of the upper shell 10 is symmetrically provided with a threading groove 12, the cable 6 is clamped with the upper shell 10 through the threading groove 12, the lower side of the upper shell 10 is sleeved with a lower shell 13, the upper side of the lower shell 13 is provided with a threading groove 2 14, the cable 6 is clamped with the lower shell 13 through the threading groove 2 14, and one side of the threading groove 2 14 A wire clamping groove 15 is provided, and the wire clamping groove 15 is clamped with the cable 6. The upper end of the grounding rod 8 is plugged into the lower casing 13. When in use, the upper casing 10 and the lower casing 13 are respectively sleeved on the upper and lower sides of the grounding bolt 1 to protect the grounding bolt 1, thereby preventing the grounding bolt 1 from being directly exposed to the outside, greatly reducing the rusting speed of the grounding bolt 1 and the nut 3, etc., reducing the maintenance and replacement frequency, and saving manpower and material investment. The two sides of the grounding bolt 1 are symmetrically provided with sliding blocks 9, and the lower inner side of the upper casing 10 is opened. A snap-fit ​​groove 11 is provided, and the sliding block 9 is slidably engaged with the snap-fit ​​groove 11. The sliding block 9 is slidably engaged with the upper shell 10 through the snap-fit ​​groove 11, which is convenient for increasing the stability of the upper shell 10 relative to the grounding bolt 1. The upper shell 10 is made of a transparent material, which is convenient for observing the connection of the inner grounding bolt 1 and the nut 3 and other structures. A collar 17 is provided on the outer side of the lower side of the lower shell 13, and a grounding spike 18 is equidistantly arranged on the lower side of the collar 17. The collar 17 is provided,When the grounding rod 8 is inserted into the ground, the lower side of the lower shell 13 will contact the ground, and the ring 17 is inserted into the ground through the grounding spike 18, which will stabilize the lower shell 13, thereby increasing the stability of the device relative to the ground and preventing the device from moving relative to the ground. A sealing rubber ring 16 is provided at the plug-in point of the grounding rod 8 and the lower shell 13. The grounding rod 8 is plugged with the sealing rubber ring 16. The sealing rubber ring 16 is provided to increase the sealing performance of the plug-in point of the grounding rod 8 and the lower shell 13, and reduce the penetration of water vapor from the ground into the inner side of the lower shell 13. The lower side of the sliding groove 2 is a circular arc concave surface, and the lower side of the pressing block 4 is evenly provided with friction grooves. The lower side of the sliding groove 2 is The arc concave surface, the lower side of the pressing block 4 is evenly provided with friction grooves to increase the contact and fitting effect and friction strength with the cable 6, thereby increasing the stability of the fixed connection with the cable 6. The side of the clamping block 5 is provided with a movable groove 51, and the inner side of the movable groove 51 is inserted with a limiting block 52. The thickness of the movable groove 51 is greater than the thickness of the limiting block 52. The upper side of the clamping block 5 is threaded with a bolt 53, and the bolt 53 penetrates the inner side of the movable groove 51 and contacts the limiting block 52. By tightening the bolt 53, the bolt 53 pushes the limiting block 52 downward to press the nut 3, which is convenient for increasing the rotation restriction of the nut 3 and making the nut 3 not easy to loosen.

[0034] The working principle and use process of this utility model:

[0035] When in use, insert the cable 6 into the inner side of the sliding groove 2, rotate the nut 3, the nut 3 rotates downward and presses the pressing block 4, the pressing block 4 presses the cable 6 tightly against the bottom side of the sliding groove 2, and then the grounding rod 8 is threadedly connected with the grounding bolt 1 through the threaded hole 7, and then the upper shell 10 is sleeved on the upper side of the grounding bolt 1, and the cable 6 is inserted into the inner side of the grounding bolt 1 through the threading groove 12, and then the lower shell 13 is sleeved on the lower side of the upper shell 10, the grounding rod 8 is plugged into the lower shell 13, and the cable 6 is inserted into the grounding bolt 1 through the threading groove 12. 4 is inserted into the inner side of the cable 6, and then the lower housing 13 is rotated to insert the cable 6 into the inner side of the cable slot 15, and then the grounding rod 8 is inserted into the ground. When in use, the upper housing 10 and the lower housing 13 are respectively sleeved on the upper and lower sides of the grounding bolt 1 to protect the grounding bolt 1 and prevent the grounding bolt 1 from being directly exposed to the outside, greatly reducing the corrosion rate of the grounding bolt 1 and the nut 3, etc., reducing the maintenance and replacement frequency, and saving manpower and material investment. In addition, when in use, a sliding block 9 is set to be connected to the upper housing through the clamping slot 11. The shell 10 is slidably engaged, which is convenient for increasing the stability of the upper shell 10 relative to the grounding bolt 1. In addition, when in use, the upper shell 10 is made of transparent material, which is convenient for observing the connection status of the inner grounding bolt 1 and the nut 3 and other structures. In addition, a ring 17 is provided. When the grounding rod 8 is inserted into the ground, the lower side of the lower shell 13 will contact the ground. The ring 17 is inserted into the ground through the grounding spike 18, which will stably limit the lower shell 13, thereby increasing the stability of the device relative to the ground and preventing the device from moving relative to the ground. A sealing rubber ring 16 is provided to increase the sealing performance of the plug-in connection between the grounding rod 8 and the lower shell 13, and reduce the penetration of water vapor from the ground into the inner side of the lower shell 13. The lower side of the sliding groove 2 is an arc concave surface, and the lower side of the pressing block 4 is evenly provided with friction grooves, which increase the contact and fitting effect and friction strength with the cable 6, thereby increasing the stability of the fixed connection with the cable 6. By tightening the bolt 53, the bolt 53 pushes the limiting block 52 downward to press the nut 3, which is convenient for increasing the rotation restriction of the nut 3 and making the nut 3 not easy to loosen.

[0036] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0037] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.

Claims

1. An electric grounding bolt for electric power engineering, characterized by: The invention comprises a grounding bolt (1), a sliding groove (2) is provided on the upper side of the grounding bolt (1), a nut (3) is threadedly provided on the upper side of the grounding bolt (1), a pressure block (4) is slidably provided on the inner side of the sliding groove (2), a clamping block (5) is provided on the upper side of the pressure block (4), the clamping block (5) is plugged with the nut (3), a cable (6) is plugged into the inner side of the sliding groove (2), the cable (6) is arranged on the lower side of the pressure block (4), a threaded hole (7) is provided on the lower side of the grounding bolt (1), the threaded hole (7) is connected with the sliding groove (2), and a grounding rod (8) is threadedly provided on the lower side of the grounding bolt (1) through the threaded hole (7) The upper side of the grounding bolt (1) is sleeved with an upper shell (10), and the lower side of the upper shell (10) is symmetrically provided with a threading groove (12), and the cable (6) is clamped with the upper shell (10) through the threading groove (12). The lower side of the upper shell (10) is sleeved with a lower shell (13), and the upper side of the lower shell (13) is provided with a threading groove (2) (14), and the cable (6) is clamped with the lower shell (13) through the threading groove (2) (14). A wire clamping groove (15) is provided on one side of the threading groove (2) (14), and the wire clamping groove (15) is clamped with the cable (6). The upper end of the grounding rod (8) is plugged into the lower shell (13).

2. The power grounding bolt for power engineering according to claim 1, characterized in that: Sliding blocks (9) are symmetrically arranged on both sides of the grounding bolt (1), and a clamping groove (11) is provided on the inner side of the lower side of the upper shell (10), and the sliding block (9) is slidably clamped with the clamping groove (11).

3. The power grounding bolt for power engineering according to claim 1, characterized in that: The upper shell (10) is made of transparent material.

4. The power grounding bolt for power engineering according to claim 1, characterized in that: A collar (17) is arranged on the outer side of the lower side of the lower casing (13), and grounding spikes (18) are arranged equidistantly and surroundingly on the lower side of the collar (17).

5. The power grounding bolt for power engineering according to claim 1, characterized in that: A sealing rubber ring (16) is provided at the plug-in position between the ground rod (8) and the lower casing (13), and the ground rod (8) and the sealing rubber ring (16) are plugged in.

6. The electric grounding bolt for electric power engineering according to claim 1, characterized in that: The lower side of the sliding groove (2) is a circular arc concave surface, and the lower side of the pressing block (4) is evenly provided with friction grooves.

7. The power grounding bolt for power engineering according to claim 1, characterized in that: A movable groove (51) is formed through the side of the clamping block (5), a limiting block (52) is inserted through the inner side of the movable groove (51), the thickness of the movable groove (51) is greater than the thickness of the limiting block (52), a bolt (53) is threadedly provided on the upper side of the clamping block (5), and the bolt (53) penetrates into the inner side of the movable groove (51) and contacts the limiting block (52).

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