Electric power grounding terminal

Abstract

The utility model discloses an electric power grounding terminal which comprises a connecting block, a conductive column is fixedly connected to the bottom of the connecting block, a first screw rod is rotated clockwise to move on the inner side of a U-shaped block to the position where the first screw rod fully abuts against the conductive column, so that the position of the U-shaped block is limited, one side of the U-shaped block is clamped into the outer side of a steel bar, and the conductive column is fixedly connected with the connecting block. Meanwhile, a conductive column is moved to the position, attached to the caulking groove, of one side of the exterior of the steel bar, contact stability is guaranteed, after a second screw is inserted into the inner side of a U-shaped block, one end of a nut is in threaded connection with the second screw, one side of the U-shaped block is extruded by moving of the nut during the period, tightening is conducted, and the steel bar and the position of the fixing device are fully clamped through cooperation with a clamping pad; and after the concrete is solidified, anticlockwise rotation is carried out, and the threaded end socket and the plug are taken down to be connected with the grounding wire, so that the situation that an iron wire is manually and frequently coiled for fixing the grounding terminal and a reinforcing steel bar by personnel can be effectively avoided, the operation process is effectively simplified, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of power accessories, and in particular relates to a power grounding terminal. Background Art

[0002] The power grounding terminal is a terminal connected to the grounding body. The material is determined by the material of the wire. Most of them are copper, but there are also copper-aluminum transition terminals. They are mainly cast with pure copper or anti-corrosion stainless steel and directly poured into cable troughs or other concrete products. They are widely used in petrochemical, electrified high-speed railways, substations and other fields.

[0003] During the installation process of some existing power grounding terminals, in order to further fix the position, iron wire is generally used to wrap and fix them with the steel bars in the formwork before pouring concrete. The process of fixing the grounding terminal and the steel bars with the iron wire requires personnel to manually and repeatedly coil the iron wire several times, which is cumbersome and has a relatively adverse effect on the installation efficiency. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide an electric grounding terminal to solve the problem proposed in the above background technology that, during the installation process of some existing electric grounding terminals, in order to further fix the position, iron wire is generally used to wrap and fix the terminals with the steel bars in the formwork before pouring concrete. The process of fixing the grounding terminal with the iron wire and the steel bars requires personnel to manually and repeatedly coil the iron wire several times, which is cumbersome and has a relatively adverse effect on the installation efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric grounding terminal, comprising a connecting block, a conductive column fixedly connected to the bottom of the connecting block, a threaded head threadedly connected to the inner side of the top of the connecting block, a plug fixedly connected to the top of the threaded head, a U-shaped block movably connected to the outer side of the conductive column, a first screw rod threadedly connected to one side of the interior of the U-shaped block, two first screw rods are symmetrically arranged, a ring is fixedly connected to the outer side of one end of the first screw rod, a second screw rod is movably connected to the other side of the interior of the U-shaped block, and a nut is threadedly connected to the outer side of one end of the second screw rod.

[0006] Preferably, a clamping pad is fixedly connected to one side of the U-shaped block, two of the clamping pads are symmetrically arranged, and a second screw is movably connected to the inner side of the U-shaped block.

[0007] Preferably, a gasket is movably connected to the outer side of one end of the second screw rod, a nut is threadedly connected to the outer side of the other end of the second screw rod, and a U-shaped block is movably connected to the outer side of the second screw rod.

[0008] Preferably, a knob is fixedly connected to one side of the collar, and a plurality of knobs are symmetrically arranged. A first screw is fixedly connected to the inner side of the collar, and a U-shaped block is threadedly connected to the outer side of the first screw.

[0009] Preferably, a spring is movably connected to the outer side of the first screw rod, and a U-shaped block is threadedly connected to the outer side of the other end of the first screw rod.

[0010] Preferably, an embedding groove is provided on one side of the conductive column, the bottom of the embedding groove is an arc-shaped structure, and a connecting block is fixedly connected to the top of the conductive column.

[0011] Preferably, a convex pad is fixedly connected to the outer side of the plug, a threaded head is fixedly connected to the bottom of the plug, and a connecting block is threadedly connected to the outer side of the threaded head.

[0012] Preferably, a sealing gasket is movably connected to the outer side of the top end of the threaded head, a connecting block is threadedly connected to the outer side of the threaded head, and a plug is fixedly connected to the top end of the threaded head.

[0013] Compared with the prior art, the utility model provides a power grounding terminal, which has the following beneficial effects:

[0014] 1. The utility model provides a U-shaped block, wherein one side of the U-shaped block is threadedly connected to a first screw rod, an outer side of one end of the first screw rod is fixedly connected to a collar, and the other side of the U-shaped block is movably connected to a second screw rod, and an outer side of one end of the second screw rod is threadedly connected to a nut. After the U-shaped block is moved to a desired height outside the conductive column, the first screw rod is rotated clockwise to drive the first screw rod to move inside the U-shaped block to a position that fully abuts against the conductive column, thereby limiting the position of the U-shaped block, and one side of the U-shaped block is clamped into the outer side of the steel bar, and the conductive column is moved to the outer side of the steel bar. The side fits the position of the embedded groove to ensure the stability of the contact. After the second screw is inserted into the inner side of the U-shaped block, the nut is threadedly connected to the second screw from one end. During this period, one side of the U-shaped block is squeezed by the movement of the nut and tightened. The clamping pad is fully clamped with the steel bar to fix the position of the device. Then concrete is poured. After the concrete solidifies, the threaded head and the plug are rotated counterclockwise and removed to connect with the grounding wire. This can effectively avoid the situation where personnel frequently manually coil the wire to fix the grounding terminal and the steel bar, effectively simplifying the operation process and improving the installation efficiency.

[0015] 2. The utility model provides a knob, one side of the knob is fixedly connected with a collar, the inner side of the collar is fixedly connected with a first screw, and the outer side of the first screw is threadedly connected with a U-shaped block, which can effectively facilitate personnel to rotate after pinching;

[0016] 3. The utility model provides a gasket, the inner side of the gasket is movably connected to the second screw, the outer side of the second screw is movably connected to a U-shaped block, and the outer side of the other end is threadedly connected to a nut, which can effectively reduce the looseness of the second screw after long-term use.

[0017] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of the isometric structure of an electric grounding terminal proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the exploded structure of an electric grounding terminal proposed by the utility model;

[0021] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 4 This is a schematic diagram of a top view of a power grounding terminal proposed by the utility model;

[0023] In the figure: connecting block 1, conductive column 2, threaded head 3, plug 4, U-shaped block 5, first screw 6, collar 7, second screw 8, nut 9, clamping gasket 10, gasket 11, spring 12, knob 13, embedded groove 14, sealing gasket 15, embossed gasket 16. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4The utility model provides a technical solution: an electric power grounding terminal, comprising a connecting block 1, a conductive column 2 is fixedly connected to the bottom of the connecting block 1, a threaded cap 3 is threadedly connected to the inner side of the top of the connecting block 1, a plug 4 is fixedly connected to the top of the threaded cap 3, a U-shaped block 5 is movably connected to the outer side of the conductive column 2, a first screw 6 is threadedly connected to one side of the inside of the U-shaped block 5, two first screws 6 are symmetrically arranged, a collar 7 is fixedly connected to the outer side of one end of the first screw 6, a second screw 8 is movably connected to the other side of the inside of the U-shaped block 5, a nut 9 is threadedly connected to the outer side of one end of the second screw 8, after the U-shaped block 5 is moved to the desired height on the outer side of the conductive column 2, the first screw 6 is rotated clockwise to drive the first screw 6 to move to the inner side of the U-shaped block 5 until it fully contacts the conductive column 2. The conductive column 2 is held in position, thereby limiting the position of the U-shaped block 5, one side of the U-shaped block 5 is inserted into the outside of the steel bar, and the conductive column 2 is moved to the position where the outer side of the steel bar fits into the embedded groove 14 to ensure the stability of the contact. After the second screw 8 is inserted into the inner side of the U-shaped block 5, the nut 9 is threadedly connected to the second screw 8 from one end. During this period, one side of the U-shaped block 5 is squeezed by the movement of the nut 9 and tightened. The clamping pad 10 is fully clamped with the steel bar to fix the position of the device, and then concrete is poured. After the concrete solidifies, the threaded head 3 and the plug 4 are rotated counterclockwise and removed to connect to the grounding wire. This can effectively avoid the situation where personnel frequently manually coil the wire to fix the grounding terminal and the steel bar, effectively simplifying the operation process and improving the installation efficiency.

[0026] In the utility model, preferably, a clamping pad 10 is fixedly connected to one side of the U-shaped block 5, two clamping pads 10 are symmetrically arranged, and a second screw rod 8 is movably connected to the inner side of the U-shaped block 5, which effectively improves the stability after clamping the steel bar.

[0027] In the utility model, preferably, a gasket 11 is movably connected to the outer side of one end of the second screw rod 8, a nut 9 is threadedly connected to the outer side of the other end of the second screw rod 8, and a U-shaped block 5 is movably connected to the outer side of the second screw rod 8, which effectively reduces the looseness of the second screw rod 8 during long-term use.

[0028] In the utility model, preferably, a knob 13 is fixedly connected to one side of the collar 7, and a plurality of knobs 13 are symmetrically arranged. A first screw rod 6 is fixedly connected to the inner side of the collar 7, and a U-shaped block 5 is threadedly connected to the outer side of the first screw rod 6, which effectively facilitates personnel to pinch and rotate.

[0029] In the utility model, preferably, the outer side of the first screw rod 6 is movably connected with a spring 12, and the outer side of the other end of the first screw rod 6 is threadedly connected with a U-shaped block 5, which effectively reduces the shaking amplitude of the first screw rod 6 during long-term use.

[0030] In the present invention, preferably, a groove 14 is provided on one side of the conductive column 2, the bottom of the groove 14 is an arc-shaped structure, and a connecting block 1 is fixedly connected to the top of the conductive column 2, which effectively increases the area of ​​contact with the steel bars and improves stability.

[0031] In the utility model, preferably, a convex pad 16 is fixedly connected to the outer side of the plug 4, a threaded head 3 is fixedly connected to the bottom of the plug 4, and a connecting block 1 is threadedly connected to the outer side of the threaded head 3, which effectively improves the friction force and facilitates personnel to hold and rotate.

[0032] In the utility model, preferably, a sealing gasket 15 is movably connected to the outer side of the top of the threaded head 3, a connecting block 1 is threadedly connected to the outer side of the threaded head 3, and a plug 4 is fixedly connected to the top of the threaded head 3, which effectively improves the sealing performance and reduces the risk of external foreign matter infiltration.

[0033] The working principle and use process of the utility model are as follows: when in use, after the U-shaped block 5 is moved to the required height on the outside of the conductive column 2, the first screw rod 6 is rotated clockwise to drive the first screw rod 6 to move on the inside of the U-shaped block 5 to a position that fully resists the conductive column 2, thereby limiting the position of the U-shaped block 5, and one side of the U-shaped block 5 is stuck into the outside of the steel bar, and at the same time, the conductive column 2 is moved to a position where the outer side of the steel bar fits the embedded groove 14 to ensure the stability of the contact. After the second screw rod 8 is inserted into the inner side of the U-shaped block 5, the nut 9 is threadedly connected to the second screw rod 8 from one end. During this period, one side of the U-shaped block 5 is squeezed by the movement of the nut 9 and tightened, and the clamping pad 10 is fully stuck with the steel bar to fix the position of the device, and then concrete is poured. After the concrete is solidified, the threaded head 3 and the plug 4 are rotated counterclockwise and removed to connect with the grounding wire. This can effectively avoid the situation where personnel frequently manually coil the wire to fix the grounding terminal and the steel bar, effectively simplifying the operation process and improving the installation efficiency.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric grounding terminal, comprising a connection block (1), characterized in that: The bottom of the connection block (1) is fixedly connected to a conductive column (2); the inner side of the top of the connection block (1) is threadedly connected to a threaded head (3); the top of the threaded head (3) is fixedly connected to a plug (4); the outer side of the conductive column (2) is movably connected to a U-shaped block (5); one side of the interior of the U-shaped block (5) is threadedly connected to a first screw rod (6); two first screw rods (6) are symmetrically arranged; the outer side of one end of the first screw rod (6) is fixedly connected to a collar (7); the other side of the interior of the U-shaped block (5) is movably connected to a second screw rod (8); the outer side of one end of the second screw rod (8) is threadedly connected to a nut (9).

2. The power grounding terminal according to claim 1, characterized in that: A clamping pad (10) is fixedly connected to one side of the U-shaped block (5), two of the clamping pads (10) are symmetrically arranged, and a second screw rod (8) is movably connected to the inner side of the U-shaped block (5).

3. The power grounding terminal according to claim 1, characterized in that: A gasket (11) is movably connected to the outer side of one end of the second screw rod (8), a nut (9) is threadedly connected to the outer side of the other end of the second screw rod (8), and a U-shaped block (5) is movably connected to the outer side of the second screw rod (8).

4. The power grounding terminal according to claim 1, characterized in that: A knob (13) is fixedly connected to one side of the collar (7), and a plurality of knobs (13) are symmetrically arranged. A first screw rod (6) is fixedly connected to the inner side of the collar (7), and a U-shaped block (5) is threadedly connected to the outer side of the first screw rod (6).

5. The power grounding terminal according to claim 1, characterized in that: The outer side of the first screw rod (6) is movably connected to a spring (12), and the outer side of the other end of the first screw rod (6) is threadedly connected to a U-shaped block (5).

6. The power grounding terminal according to claim 1, characterized in that: A embedding groove (14) is provided on one side of the conductive column (2); the bottom of the embedding groove (14) is an arc-shaped structure; and a connecting block (1) is fixedly connected to the top of the conductive column (2).

7. The power grounding terminal according to claim 1, characterized in that: The plug (4) is fixedly connected to a convex washer (16) on the outside, the plug (4) is fixedly connected to a threaded sealing head (3) on the bottom, and the threaded sealing head (3) is threadedly connected to a connecting block (1) on the outside.

8. The power grounding terminal according to claim 1, characterized in that: A sealing gasket (15) is movably connected to the outer side of the top end of the threaded head (3), a connecting block (1) is threadedly connected to the outer side of the threaded head (3), and a plug (4) is fixedly connected to the top end of the threaded head (3).

Images