Rail transit grounding device

Abstract

The utility model relates to the technical field of grounding devices, in particular to a rail transit grounding device which comprises a ground plug, a cover plate and a conducting rod, the cover plate is arranged on the outer wall of the upper end of the ground plug, conducting plates are welded to the two sides of the outer wall of the upper end of the cover plate, and the conducting rod is welded to the outer wall of one side of each conducting plate. Fasteners are arranged on the outer walls of the two ends of the conductive rod, conductive bands are arranged on the outer sides of the fasteners, a storage groove is formed in the ground plug, movable grooves which are distributed in parallel at equal intervals are formed in the two sides of the inner wall of the storage groove, barbs are arranged in the movable grooves, a connecting plate is arranged in the storage groove, and the grounding plug is arranged in the connecting plate. An embedding groove is formed in one side of the outer wall of the upper end of the connecting plate, and driving blocks distributed in parallel at equal intervals are welded to the outer walls of the two sides of the connecting plate, so that the ground insert is further fixed, it is ensured that the position of the ground insert located in the soil layer is stable, and when the ground insert is inserted into the soil layer, the surface smoothness of the ground insert is ensured, and the insertion efficiency of the ground insert is ensured.

Description

Technical Field

[0001] This utility model relates to the field of grounding device technology, specifically to a grounding device for rail transit. Background Technology

[0002] Rail transit refers to a type of transportation vehicle or system that requires operating vehicles to run on specific tracks. In a broad sense, rail transit refers to various road transportation vehicles composed of trains, railways, stations, and dispatching systems (including dispatching equipment and dispatching personnel). Rail transit grounding devices refer to the equipment or systems that electrically connect the electrical equipment and metal components in the rail transit system to the earth. By ensuring that the track and the ground are at the same potential, the device prevents the current caused by potential difference from affecting the train system and vehicles, thereby ensuring train safety.

[0003] CN218172043U discloses a grounding device for rail transit contact networks, including a base, grounding posts, L-shaped sleeves, and a clamping device. Several grounding posts are fixedly installed at the lower end of the base, with the grounding posts vertically embedded in the base. Each grounding post includes a threaded sleeve and a screw. Horizontal bars are fixedly installed on both sides of the upper end of the screw. The L-shaped sleeve is fitted onto the horizontal bars. The clamping device includes a fixed block and a movable block. The fixed block is fixedly installed on the horizontal bars of the L-shaped sleeve, and the movable block is located outside the fixed block. A telescopic support rod is fixedly installed between the movable block and the vertical bar of the L-shaped sleeve. This invention allows for adjustment of the height and lateral position of the clamping device according to the location of the railway line, facilitating grounding of the rail transit contact network and making it more practical.

[0004] While existing technology CN218172043U has many advantages in use, it still has the following problems: its insertion efficiency for floor plugs is low. Although it increases the stability after insertion through barbs, it also results in greater insertion resistance for the floor plugs, affecting the installation efficiency of the floor plugs. Utility Model Content

[0005] In view of the problems in the prior art, this utility model provides a grounding device for rail transit.

[0006] The utility model discloses a rail transit grounding device, including ground plug, apron and conducting rod, the ground plug upper end outer wall is provided with apron, the apron upper end outer wall both sides all are welded with the conducting board, the conducting board one side outer wall is welded with the conducting rod, the conducting rod both ends outer wall all is provided with fastener, the fastener outside is provided with conducting band, the ground plug inside is provided with the storage groove, the storage groove inner wall both sides all are provided with the movable groove that equidistance parallel distribution, the movable groove inside is provided with the barbed hook, the storage groove inside is provided with the connecting plate, the connecting plate upper end outer wall one side is provided with the embedded groove, the connecting plate both sides outer wall all are welded with the drive block that equidistance parallel distribution.

[0007] Through adopting above-mentioned technical scheme, through ground plug inserts underground, apron covers it, and through drive connecting plate vertical movement, can drive the barbed hook to move through drive block, makes barbed hook remove movable groove, and inserts inside soil layer, realizes the further fixation of ground plug, ensures that ground plug is located in the position stability of soil layer, and conducting rod and conducting board are used for connecting and transmission current, ensure the safety and reliability of grounding device.

[0008] Specifically, the fastener is composed of a stud and a nut, the conducting band is located outside the stud, and the nut is engaged with the stud, and the nut is in contact with the outer wall of the conducting band.

[0009] Through adopting above-mentioned technical scheme, the fastener makes the connection between the conducting rod and the conducting band more firm, the nut and the stud ensure good contact between the conducting band and the conducting rod, reduce the resistance, improve the conductivity, at the same time, the nut is in contact with the outer wall of the conducting band, further enhance the stability and reliability of the connection.

[0010] Specifically, the barbed hook is welded with a limiting block on one side of the upper end outer wall, and the limiting block is located in the storage groove.

[0011] Through adopting above-mentioned technical scheme, the limiting block limits the movement track of the barbed hook in the storage groove, prevents the barbed hook from falling off or misplacing during movement, and ensures the stability of the ground plug in the soil layer.

[0012] Specifically, the apron is internally screwed with a screw rod, the screw rod is welded with an embedded block at the lower end outer wall, the embedded block is designed in a disc shape, and the embedded block is located in the embedded groove.

[0013] Through adopting above-mentioned technical scheme, the staff can drive the screw rod to move upward in the apron by rotating the hexagonal column at the upper end of the screw rod with a wrench, and the embedded block and the embedded groove can realize pulling and moving upward of the connecting plate, so as to achieve the purpose of driving the connecting plate to move, and the embedded block and the embedded groove ensure the relative rotation between the screw rod and the connecting plate.

[0014] Specific, the driving block and the outer wall of the barb side are designed in inclined shape, and the driving block is in contact with the outer wall of the barb.

[0015] By adopting the above technical scheme, the driving block can move along with the connecting plate, so that the driving block can more easily push the barb to move during the movement, the barb extends out of the movable slot and inserts into the soil layer, and the inclined surface ensures the contact area between the driving block and the barb, thereby improving the stability and reliability of the movement of the barb.

[0016] Specifically, the outer walls on both sides of the connecting plate are embedded with rectangular array distributed magnets, and the magnets are adsorbed to the outer wall of the barb.

[0017] By adopting the above technical scheme, the adsorption force between the magnet and the barb further enhances the stability and reliability of the connection, and the presence of the magnet also makes the barb not prone to loosening or falling off when not in use, thereby improving the durability and safety.

[0018] Specifically, the size of the cover plate is larger than the size of the upper end surface of the ground plug, the cover plate is provided with rectangular array distributed screws inside, and the cover plate is connected with the ground plug through the screws.

[0019] By adopting the above technical scheme, the cover plate can completely cover the upper end surface of the ground plug, preventing sundries or moisture from entering the storage slot, and the cover plate is connected with the ground plug through the screws, which is simple and convenient, easy to operate and maintain.

[0020] The beneficial effects of the utility model are as follows:

[0021] (1) The rail transit grounding device, the barb moves out of the movable slot and inserts into the soil layer, realizes further fixation of the ground plug, ensures the position stability of the ground plug in the soil layer, and ensures the smoothness of the surface of the ground plug when it inserts into the soil layer, thereby ensuring the insertion efficiency of the ground plug.

[0022] (2) The rail transit grounding device, the conductive rod and the conductive plate are used for connecting and transmitting current, thereby ensuring the safety and reliability of the grounding device. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model is further described below in combination with the drawings and examples.

[0024] Figure 1 It is a ground plug structure main body schematic view of the utility model;

[0025] Figure 2 It is a ground plug structure exploded view of the utility model;

[0026] Figure 3 It is a screw rod structure exploded view of the utility model.

[0027] In the figure: 1, ground plug; 11, storage groove; 12, movable groove; 13, barb; 14, limiting block; 2, cover plate; 21, screw rod; 22, fitting block; 23, connecting plate; 24, fitting groove; 25, driving block; 26, magnet; 3, conductive plate; 31, conductive rod; 32, fastener; 33, conductive band. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0029] In order to save manpower and improve efficiency, as an embodiment of the utility model, as shown in Figure 1 , Figure 2 , Figure 3 indicated, the utility model discloses a rail transit grounding device, including ground plug 1, cover plate 2 and conductive rod 31, the outer wall of the upper end of ground plug 1 is provided with cover plate 2, the outer wall of the upper end of cover plate 2 is welded with conductive plate 3 on both sides, the outer wall of one side of conductive plate 3 is welded with conductive rod 31, the outer wall of both ends of conductive rod 31 is provided with fastener 32, the outer side of fastener 32 is provided with conductive band 33, the inside of ground plug 1 is provided with storage groove 11, the inner wall of storage groove 11 is provided with movable groove 12 that is distributed equidistantly and in parallel on both sides, the inside of movable groove 12 is provided with barb 13, the inside of storage groove 11 is provided with connecting plate 23, the upper end of connecting plate 23 is provided with fitting groove 24 on one side of the outer wall, the outer wall of both sides of connecting plate 23 is welded with driving block 25 that is distributed equidistantly and in parallel.

[0030] In use, ground plug 1 is inserted into the ground, cover plate 2 covers it, and driving connecting plate 23 moves vertically, which can drive barb 13 to move out of movable groove 12 and insert into the soil layer, further fix ground plug 1, ensure the stability of the position of ground plug 1 in the soil layer, and conductive rod 31 and conductive plate 3 are used for connecting and transmitting current, which ensures the safety and reliability of the grounding device.

[0031] In order to fasten the connection, as an example, as shown in Figure 1 , fastener 32 is composed of a stud and a nut, conductive band 33 is located on the outer side of the stud, and the nut is engaged with the stud, and the nut is in contact with the outer wall of conductive band 33.

[0032] In use, fastener 32 makes the connection between conductive rod 31 and conductive band 33 more firm, the nut and the stud ensure good contact between conductive band 33 and conductive rod 31, reduce resistance, and improve conductivity, at the same time, the nut is in contact with the outer wall of conductive band 33, which further enhances the stability and reliability of the connection.

[0033] In order to limit the moving distance, exemplary, as shown in Figure 2 The upper end of the outer wall of the barb 13 is welded with a limiting block 14, and the limiting block 14 is located inside the receiving groove 11.

[0034] In use, the limiting block 14 limits the moving track of the barb 13 inside the receiving groove 11, prevents the barb 13 from falling off or misplacing during the movement, and ensures the stability of the barb 13 in the soil layer.

[0035] In order to drive the movement, exemplary, as shown in Figure 3 The inside of the cover plate 2 is threadedly connected with a screw rod 21, the lower end of the outer wall of the screw rod 21 is welded with an embedded block 22, the embedded block 22 is designed in a disc shape, and the embedded block 22 is located inside the embedded groove 24.

[0036] In use, the staff can drive the screw rod 21 to move upward in the cover plate 2 by rotating the hexagonal column at the upper end of the screw rod 21, and can realize the pulling and upward movement of the connecting plate 23 through the embedded block 22 and the embedded groove 24, so as to achieve the purpose of driving the movement of the connecting plate 23, and the embedded block 22 and the embedded groove 24 ensure the relative rotation between the screw rod 21 and the connecting plate 23.

[0037] In order to drive the movement, exemplary, as shown in Figure 3 The driving block 25 and the outer wall of the barb 13 are designed in an inclined shape, and the driving block 25 is in contact with the outer wall of the barb 13.

[0038] In use, the driving block 25 can move with the connecting plate 23, so that the driving block 25 can more easily push the barb 13 to move during the movement, so that the barb 13 extends out of the movable groove 12 and inserts into the soil layer, and the inclined surface ensures the contact area between the driving block 25 and the barb 13, improves the stability and reliability of the movement of the barb 13.

[0039] In order to fix the use position, exemplary, as shown in Figure 3 The outer walls of the two sides of the connecting plate 23 are embedded with rectangular array distributed magnets 26, and the magnets 26 are adsorbed with the outer wall of the barb 13.

[0040] In use, the adsorption force between the magnets 26 and the barb 13 further enhances the stability and reliability of the connection, and the existence of the magnets 26 also makes the barb 13 not easy to loosen or fall off when not in use, improves the durability and safety.

[0041] In order to shield the receiving groove 11, exemplary, as shown in Figure 1 The size of the cover plate 2 is larger than the size of the upper end surface of the ground plug 1, the inside of the cover plate 2 is provided with a rectangular array distributed screw, and the cover plate 2 is connected with the ground plug 1 through the screw.

[0042] In use, the cover plate 2 can completely cover the end face of the ground plug 1, preventing sundries or moisture from entering the inside of the storage groove 11, and the cover plate 2 is connected with the ground plug 1 through screws, which is simple and convenient, easy to operate and maintain.

[0043] In use, the staff uses a hammer to vertically insert the ground plug 1 into the ground to a predetermined depth, ensuring that the ground plug 1 does not deviate from the predetermined position during insertion;

[0044] The hexagonal column at the upper end of the screw rod 21 is rotated by using a wrench, and the screw rod 21 is driven to move upward spirally in the cover plate 2. With the rising of the screw rod 21, the embedded block 22 will drive the connecting plate 23 to move upward, and when the connecting plate 23 moves, the driving blocks 25 on both sides will push the barbs 13 in the movable groove 12 to move. Since the driving blocks 25 and the outer walls on one side of the barbs 13 are designed in an inclined shape, the driving blocks 25 can more easily push the barbs 13 to move, so that the barbs 13 extend out of the movable groove 12 and are inserted into the soil layer;

[0045] The conductive belt 33 is placed on the outer walls of both ends of the conductive rod 31, and the fastener 32 is used to firmly connect the conductive belt 33 with the conductive rod 31.

[0046] It should be noted that the utility model is a rail transit grounding device, and the components in the utility model are components known to those skilled in the art, and their structure and principle can be known by technical personnel through a technical manual or through a conventional experimental method.

[0047] The basic principles, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rail transit grounding device, characterized in that, The utility model provides a ground insertion (1), cover plate (2) and conductive pole (31), the upper end outer wall of ground insertion (1) is provided with cover plate (2), both sides of the upper end outer wall of cover plate (2) are welded with conductive plate (3), one side outer wall of conductive plate (3) is welded with conductive pole (31), both ends of conductive pole (31) outer wall are provided with fastener (32), the outside of fastener (32) is provided with conductive band (33), the inside of ground insertion (1) is provided with receiving groove (11), both sides of the inner wall of receiving groove (11) are provided with the movable groove (12) of equidistance parallel distribution, the inside of movable groove (12) is provided with barb (13), the inside of receiving groove (11) is provided with connecting plate (23), the upper end outer wall of connecting plate (23) one side is provided with the embedding groove (24) of the side, both sides of the outer wall of connecting plate (23) are welded with the drive block (25) of equidistance parallel distribution.

2. The rail transit grounding device according to claim 1, wherein, The fastener (32) is composed of a stud and a nut, the conductive band (33) is located outside the stud, and the nut is engaged with the stud, and the nut is in contact with the outer wall of the conductive band (33).

3. The rail transit grounding device according to claim 1, wherein, The barb (13) is welded with a limiting block (14) on one side of the upper end outer wall, and the limiting block (14) is located inside the receiving groove (11).

4. The rail transit grounding device of claim 1, wherein, The cover plate (2) is internally threaded with a screw rod (21), the lower end outer wall of the screw rod (21) is welded with an embedding block (22), the embedding block (22) is designed in a disc shape, and the embedding block (22) is located inside the embedding groove (24).

5. The rail transit grounding device according to claim 1, wherein, The drive block (25) and the barb (13) are designed in an inclined shape on one side of the outer wall, and the drive block (25) is in contact with the outer wall of the barb (13).

6. The rail transit grounding device according to claim 1, wherein, The connecting plate (23) is embedded with a rectangular array of magnets (26) on both sides of the outer wall, and the magnets (26) are attracted to the outer wall of the barb (13).

7. The rail transit grounding device of claim 1, wherein, The size of the cover plate (2) is larger than the size of the upper end surface of the ground insertion (1), the cover plate (2) is internally provided with a rectangular array of screws, and the cover plate (2) is connected to the ground insertion (1) by the screws.

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