Cable bridge grounding device

Abstract

The utility model relates to the technical field of electrical engineering construction, and discloses a cable bridge grounding device which comprises a frame box, the lower surface of one end of the frame box is fixedly connected with a connecting plate, the surface of the connecting plate is rotatably connected with a screw rod, the surface of the screw rod is sleeved with an inserting block in a threaded mode, and the inserting block is fixedly connected with the connecting plate. The lower surface of the other end of the frame box is fixedly connected with a fixing plate, and an inserting groove matched with the inserting block is formed in the fixing plate. A dustproof cover is arranged on the upper surface of the frame box, bolts are fixedly connected to the two side faces of the two ends of the frame box, each bolt is sleeved with a nut in a threaded mode, and a grounding assembly is arranged on one bolt. The multiple frame boxes are rapidly assembled to achieve length adjustment, dust can be prevented from falling into the frame boxes through the dustproof cover, and meanwhile the grounding assembly can be rapidly installed and the position of the grounding assembly can be adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical engineering construction technical field, concretely is a cable bridge grounding device. BACKGROUND

[0002] When the full length of ladder frame, tray and tank box is not more than 30m, it should not be less than 2 reliable connections with protective conductor; when the full length is more than 30m, a connection point should be added every 20m-30m, and the starting end and the terminal end should be reliably grounded. In the related art, the cable bridge is connected by a plurality of single bridges as a whole bridge according to needs. In order to ensure the reliable grounding of the whole system, the bridges are welded and connected by conductive bodies after the bridges are connected.

[0003] According to the search, the cable bridge grounding device with the announcement number CN 215580181 U includes a plurality of single bridges, a plurality of fixing pieces and a plurality of communication lines, the adjacent two single bridges are fixedly connected through the fixing pieces, and the adjacent two single bridges are electrically connected through the communication lines. In the installation process, the adjacent single bridges are fixedly connected through the fixing pieces, then the communication lines are used to connect the adjacent two single bridges, then the communication lines are connected with the ground, so that the whole bridge can be reliably grounded, the single bridges are connected through the communication lines, the bridge itself is not damaged, and the communication lines are convenient to replace and maintain. The application has the effect of prolonging the service life of the cable bridge.

[0004] However, the above-mentioned device still has some deficiencies in the process of use, the upper part lacks a dustproof component, dust is easy to fall and accumulate in the interior of the bridge, the assembly between the multiple bridges is not convenient and firm, the grounding component cannot be quickly connected, and the bottom end position can be randomly changed, which is not practical. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a cable bridge grounding device, which solves the problems of the upper part lacking a dustproof component, dust being easy to fall and accumulate in the interior of the bridge, the assembly between the multiple bridges being not convenient and firm, the grounding component being not capable of being quickly connected, and the bottom end position being capable of being randomly changed, and the like.

[0006] The utility model provides the following technical scheme: a cable bridge grounding device, including frame box, one end lower surface of frame box is connected with connecting plate, the surface of connecting plate is connected with screw rod, the surface of screw rod is connected with plug block, the other end lower surface of frame box is connected with fixed plate, the inside of fixed plate is connected with the plug block matched with the plug groove,

[0007] The upper surface of the frame box is provided with a dustproof cover, both ends of the frame box are fixedly connected with bolts, a nut is threadedly connected to each bolt, one of the bolts is provided with a grounding assembly, and two bolts at one end of the frame box are provided with connecting wires.

[0008] Preferably, the side surface of the connecting plate is fixedly connected with two limiting rods, the surface of the plug is provided with two limiting grooves matched with the limiting rods, and the plug is slidably sleeved on the two limiting rods.

[0009] Preferably, the two side surfaces of the frame box are fixedly connected with long plates, the surfaces of the two long plates are provided with movable grooves, the connecting rods are movably arranged in the movable grooves, the connecting rods can slide and rotate in the movable grooves, the lower end of each connecting rod is sleeved with a spring, the top end of each connecting rod is fixedly connected with a clamping plate, the upper surface of the dustproof cover is provided with four through holes, the transverse length of the through hole is greater than the length of the clamping plate, and the longitudinal length of the through hole is less than the length of the clamping plate.

[0010] Preferably, the grounding assembly comprises a connecting ring, a grounding wire and a mounting block, the two ends of the grounding wire are connected with the connecting ring and the mounting block respectively, the connecting ring can be sleeved outside the bolt, the mounting block is hollow and made of iron, and a magnet is fixedly installed in the mounting block.

[0011] Preferably, the two ends of the connecting wire are fixedly connected with fixing rings, and the two fixing rings can be sleeved on the bolt.

[0012] Preferably, the two side surfaces of the frame box are fixedly connected with short plates, the upper surfaces of the two short plates are fixedly connected with mounting rods, and the top ends of the two mounting rods are fixedly connected with mounting plates.

[0013] Compared with the prior art, the cable bridge grounding device has the following beneficial effects: when in use, the rack box is fixedly installed at a suitable position through the mounting plate, then the cable line can be placed in the interior of the rack box, then the dust cover is placed on the rack box, the four clamping plates pass through the through holes of the dust cover, then the connecting rod is pressed to drive the clamping plates to be located above the dust cover, then the connecting rod is rotated to drive the clamping plates to rotate by ninety degrees, then the connecting rod is loosened to drive the clamping plates to clamp the dust cover under the elastic force of the spring, and the installation is completed; when multiple rack boxes need to be connected, another rack box is aligned with the rack box, then the screw rod is rotated to drive the plug-in block to be inserted into the plug-in groove of the fixed plate, then the mounting plate is used for further fixation, and the assembly is completed; then the two rack boxes can be connected through the connecting wire, the connecting ring of the grounding assembly is installed on one of the bolts and is fixed through the nut, then the mounting block at the other end is adsorbed on the grounding pile pre-buried on the ground through the magnet, and the installation of grounding is realized; the device can quickly install the rack box and quickly assemble multiple rack boxes to realize length adjustment, dust can be prevented from falling through the dust cover, the grounding assembly can be quickly installed and the position can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a structural schematic view of the utility model;

[0015] Fig. 2 It is a fixed plate and plug-in block structure split view of the utility model;

[0016] Fig. 3 It is a partial structure split view of the utility model.

[0017] In the drawing: 1, rack box; 2, connecting plate; 3, screw rod; 4, plug-in block; 5, fixed plate; 6, plug-in groove; 7, dust cover; 8, bolt; 9, grounding assembly; 10, connecting wire; 11, limiting rod; 12, long plate; 13, movable slot; 14, connecting rod; 15, spring; 16, clamping plate; 17, through hole; 18, connecting ring; 19, grounding wire; 20, mounting block; 21, short plate; 22, mounting rod. DETAILED DESCRIPTION

[0018] Please refer to Figs. 1-3 ,

[0019] Embodiment one: a cable bridge grounding device, comprising a rack box 1, the lower surface of one end of the rack box 1 is fixedly connected with a connecting plate 2, the surface of the connecting plate 2 is rotatably connected with a screw rod 3, the surface of the screw rod 3 is threadedly sleeved with a plug-in block 4, the lower surface of the other end of the rack box 1 is fixedly connected with a fixed plate 5, and the interior of the fixed plate 5 is provided with a plug-in groove 6 matched with the plug-in block 4;

[0020] The upper surface of the frame box 1 is provided with a dust cover 7, and the two ends and two sides of the frame box 1 are fixedly connected with bolts 8. Threaded nuts are sleeved on each bolt 8, one of the bolts 8 is provided with a grounding assembly 9, and the two bolts 8 at one end of the frame box 1 are provided with connecting wires 10.

[0021] In example two, the side of the connecting plate 2 is fixedly connected with two limiting rods 11, and the surface of the plug-in block 4 is provided with two limiting grooves matched with the limiting rods 11. The plug-in block 4 is sleeved on the two limiting rods 11 through the limiting grooves, which facilitates the movement of the plug-in block 4 and the assembly of the multiple frame boxes 1.

[0022] In example three, the two sides of the frame box 1 are fixedly connected with long plates 12, and the two ends of the two long plates 12 are provided with movable grooves 13. The inside of each movable groove 13 is movably provided with a connecting rod 14, which can slide and rotate in the movable groove 13. The lower end of each connecting rod 14 is sleeved with a spring 15, and the top end of each connecting rod 14 is fixedly connected with a clamping plate 16. The upper surface of the dust cover 7 is provided with four through holes 17, the horizontal length of the through hole 17 is greater than the length of the clamping plate 16, and the vertical length of the through hole 17 is less than the length of the clamping plate 16, which facilitates the quick installation and disassembly of the dust cover 7.

[0023] In example four, the grounding assembly 9 includes a connecting ring 18, a grounding wire 19, and a mounting block 20. The two ends of the grounding wire 19 are connected with the connecting ring 18 and the mounting block 20 respectively. The connecting ring 18 can be sleeved outside the bolt 8. The mounting block 20 is made of iron and is hollow. A magnet is fixedly installed in the inside of the mounting block 20, which can quickly install the grounding assembly 9 and realize grounding.

[0024] In example five, the two ends of the connecting wire 10 are fixedly connected with fixed rings, and the two fixed rings can be sleeved on the bolt 8, which facilitates the connection of multiple frame boxes 1.

[0025] In example six, the two sides of the frame box 1 are fixedly connected with short plates 21, and the upper surfaces of the two short plates 21 are fixedly connected with mounting rods 22. The top ends of the two mounting rods 22 are fixedly connected with mounting plates, which facilitates the fixed installation of the frame box 1 in a suitable position.

[0026] In summary, the cable bridge grounding device, when in use, the frame box 1 is fixedly installed in the appropriate position through the mounting plate, and then the cable can be placed in the inside of the frame box 1, and then the dust cover 7 is placed on the frame box 1, the four clamping plates 16 pass through the through holes 17 of the dust cover 7, then the connecting rod 14 is pressed to drive the clamping plate 16 to be above the dust cover 7, then the connecting rod 14 is rotated to drive the clamping plate 16 to rotate ninety degrees, then the connecting rod 14 is loosened to drive the clamping plate 16 to clamp the dust cover 7 under the action of the elastic force of the spring 15, that is, the installation is completed, when a plurality of frame boxes 1 need to be connected, another frame box 1 is aligned with the frame box, then the plug block 4 is inserted into the slot 6 of the fixed plate 5 by rotating the screw rod 3, then the mounting plate is further fixed to complete the assembly, then the two frame boxes 1 can be connected through the connecting wire 10, the connecting ring of the grounding assembly 9 is installed on one of the bolts 8 and is fixed through the nut, then the mounting block 20 at the other end is adsorbed on the ground by the magnet and is pre-buried on the grounding pile, that is, the grounding installation is realized, the device can quickly install the frame box 1, quickly assemble a plurality of frame boxes 1 to adjust the length, and dust can be prevented from falling through the dust cover 7, and the grounding assembly 7 can be quickly installed and the position can be adjusted.

Claims

1. A cable tray grounding device comprising a tray box (1), characterized in that: One end lower surface of the frame box (1) is fixedly connected with a connecting plate (2), a screw rod (3) is rotatably connected to the surface of the connecting plate (2), a plug block (4) is threadedly sleeved on the surface of the screw rod (3), the other end lower surface of the frame box (1) is fixedly connected with a fixed plate (5), and a plug groove (6) matched with the plug block (4) is formed in the inside of the fixed plate (5). The upper surface of the frame box (1) is provided with a dustproof cover (7), both sides of the two ends of the frame box (1) are fixedly connected with bolts (8), a nut is threadedly sleeved on each bolt (8), one of the bolts (8) is provided with a grounding assembly (9), and connecting wires (10) are arranged on the two bolts (8) located at one end of the frame box (1).

2. The cable tray grounding device of claim 1, wherein: Two limiting rods (11) are fixedly connected to the side surface of the connecting plate (2), two limiting grooves matched with the limiting rods (11) are formed in the surface of the plug block (4), and the plug block (4) is slidably sleeved on the two limiting rods (11) through the limiting grooves.

3. The cable tray grounding device of claim 2, wherein: Both sides of the frame box (1) are fixedly connected with long plates (12), movable grooves (13) are formed in the surfaces of the two ends of the two long plates (12), a connecting rod (14) is movably arranged in each movable groove (13), the connecting rod (14) can slide and rotate in the movable groove (13), a spring (15) is sleeved on the lower end of each connecting rod (14), a clamping plate (16) is fixedly connected to the top end of each connecting rod (14), four through holes (17) are formed in the upper surface of the dustproof cover (7), the transverse length of the through hole (17) is greater than the length of the clamping plate (16), and the longitudinal length of the through hole (17) is less than the length of the clamping plate (16).

4. The cable tray grounding device of claim 3, wherein: The grounding assembly (9) comprises a connecting ring (18), a grounding wire (19) and a mounting block (20), the two ends of the grounding wire (19) are connected with the connecting ring (18) and the mounting block (20) respectively, the connecting ring (18) can be sleeved outside the bolt (8), the mounting block (20) is made of iron and is hollow, and a magnet is fixedly installed in the inside of the mounting block (20).

5. The cable tray grounding device of claim 4, wherein: The two ends of the connecting wire (10) are fixedly connected with fixing rings, and the two fixing rings can be sleeved on the bolt (8).

6. The cable tray grounding device of claim 5, wherein: Both sides of the frame box (1) are fixedly connected with short plates (21), mounting rods (22) are fixedly connected to the upper surfaces of the two short plates (21), and mounting plates are fixedly connected to the top ends of the two mounting rods (22).

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