Jaw type connecting copper block for cable bridge grounding system
By designing jaw-type connection copper blocks in the cable tray grounding system, and using wedges, press blocks and wire troughs to form clamp jaws, the problem of inconvenience of connecting the equipment grounding wire and the built-in grounding wire of the bridge is solved, and a more stable and safe grounding system connection is achieved.
Patent Information
- Application Number
- CN202520574633.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2035-03-31
AI Technical Summary
In the existing cable tray grounding system, the connection between the equipment grounding wire and the built-in grounding wire of the bridge is inconvenient, resulting in waste of materials and space, and at the same time, it increases the risk of equipment leakage and affects personal safety of electricity use.
A cable tray grounding system is designed to connect copper blocks with jaws, and a clamping jaw is formed through wedges, press blocks and wire troughs to achieve convenient connection between the equipment grounding wire and the built-in grounding wire of the bridge.
This design improves the installation strength through self-locking jaws, increases the contact area with the cable, avoids damage to the ground wire due to excessive compression, and improves the stability and applicability of the grounding system connection.
Smart Images
Figure CN222868076U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cable bridges, in particular to a clamp-type connecting copper block for a cable bridge grounding system. Background Art
[0002] With the rapid development of the industrial process, my country's industrial process has accelerated, and more attention has been paid to the safety of production and power distribution. At present, the grounding and equipotential connection of the cable tray usually uses copper braided jumper wires to connect two bridges to form an effective grounding and equipotential connection of the cable tray of the integrated wiring system. The equipment in the production workshop is separately introduced into the workshop public grounding terminal by the equipment grounding terminal, and the other place is introduced from the equipment to the control box to connect the control box ground wire. In order to reduce material waste and space waste, and reduce the different degrees of harm to the human body caused by the grounding wire current in the case of equipment leakage, further reduce the damage of the grounding wire, improve the personal safety protection of electricity users, and ensure the stable production efficiency of the equipment, a grounding wire is usually set in the cable tray, and the grounding terminal of the equipment is connected to the built-in grounding wire;
[0003] In order to facilitate the connection between the equipment grounding wire and the built-in grounding wire of the cable tray, providing a clamp-type connecting copper block for a cable tray grounding system is a technical problem that technical personnel in this field urgently need to solve. Utility Model Content
[0004] In view of the deficiencies of the prior art, the utility model provides a clamp-type connecting copper block for a cable bridge grounding system, so as to facilitate the connection of a device grounding wire with a built-in grounding wire of the bridge.
[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a clamp-type copper block for a cable tray grounding system, comprising a block, a mounting opening is provided in the block, a wedge block that can slide along its depth direction is arranged in the mounting opening, a wire groove is provided on the side wall of the mounting opening, the cross-section of the wire groove is semicircular, a pressure block that can move toward the wire groove is slidably arranged in the mounting opening, a wire clamping clamp is formed between the pressure block and the wire groove, the pressure block is slidably connected to the inclined surface of the wedge block, the side wall of the mounting opening with the wire groove is an inclined surface, an avoidance groove is provided on the block, a threaded hole that penetrates the block is provided at the bottom of the mounting opening, a through hole is provided in the wedge block, a mounting screw is inserted in the through hole, the mounting screw is screwed into the threaded hole, the wedge block can move freely on the mounting screw and can press the wedge block downward by rotating the mounting screw, and a spring that can push the wedge block to move outward is also provided in the mounting opening, and the spring is sleeved on the mounting screw.
[0006] Preferably, a guide strip with a T-shaped cross section is fixedly provided on the surface of the wedge block on one side close to the pressing block, and a guide groove matching the guide strip is provided on the pressing block.
[0007] Preferably, the wire grooves are provided on both side walls of the installation opening, and the number of the pressing blocks is two.
[0008] Preferably, a wire groove is provided on one side wall of the installation port, the number of the pressing block is one, a pair of threading holes is provided on the block body, a pair of threaded holes two connected to the pair of threading holes are provided on the block body, and flat head screws are screwed into the pair of threaded holes two.
[0009] Preferably, a threaded hole three is provided on the block on one side of the threaded hole one.
[0010] The utility model provides a clamp-type connecting copper block for a cable bridge grounding system, which has the following beneficial effects: a wire clamping jaw for clamping a grounding wire can be formed by a wedge block, a pressure block and a wire trough, which is convenient for workers to install the grounding wire; the clamping jaw has a self-locking function to improve the installation strength; the contact area with the cable is increased by the pressure block in conjunction with the wire trough, which avoids damage to the grounding wire due to over-tightening and improves the stability of the grounding system connection; and a wire threading hole is provided on the block to provide another cable installation portion other than the wire clamping jaw, thereby improving the applicability of the connecting copper block. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a three-dimensional diagram of the first embodiment;
[0012] Figure 2 The three-dimensional explosion of the first embodiment Figure 1 ;
[0013] Figure 3 The three-dimensional explosion of the first embodiment Figure 2 ;
[0014] Figure 4 It is a stereogram of the second embodiment;
[0015] Figure 5 The three-dimensional explosion of the second embodiment Figure 1 ;
[0016] Figure 6 The three-dimensional explosion of the second embodiment Figure 2 .
[0017] In the figure: 1. block; 2. mounting opening; 3. wedge block; 4. pressure block; 5. wire groove; 6. spring; 7. threaded hole one; 8. through hole; 9. mounting screw; 10. guide groove; 11. guide strip; 12. avoidance groove; 13. threading hole; 14. threaded hole two; 15. flat head screw; 16. threaded hole three. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0019] Example 1: Please refer to Figure 1-Figure 3 The utility model provides a technical solution: a clamp-type connecting copper block for a cable bridge grounding system, comprising a block 1, an installation opening 2 is provided in the block 1, a wedge 3 capable of sliding along its depth direction is provided in the installation opening 2, a wire groove 5 is provided on the side wall of the installation opening 2, the cross section of the wire groove 5 is semicircular, the wire groove 5 can accommodate part of the grounding wire, a pressing block 4 capable of moving toward the wire groove 5 is slidably provided in the installation opening 2, a wire clamping jaw is formed between the pressing block 4 and the wire groove 5, which is convenient for the staff to install the grounding wire, and the jaw has a self-locking function to improve The installation strength is improved, and the contact area with the cable is increased by the pressure block 4 and the wire groove 5, so as to avoid damage to the grounding wire due to over-tightening, and improve the stability of the grounding system connection. The pressure block 4 is connected to the inclined surface of the wedge block 3 by sliding. The side wall of the installation opening 2 with the wire groove 5 is an inclined surface, which is convenient for moving the grounding wire into the wire clamping jaws. The block 1 is provided with an avoidance groove 12 matching the connecting piece. The bottom of the installation opening 2 is provided with a threaded hole 7 that penetrates the block 1. The wedge block 3 is provided with a through hole 8, and a mounting screw 9 is inserted in the through hole 8. The mounting screw 9 is screwed on In the threaded hole 7, the wedge block 3 can move freely on the mounting screw 9 and can press the wedge block 3 downward by rotating the mounting screw 9. When the wedge block 3 is pressed downward, the pressure block 4 can approach the wire groove 5, and the grounding wire is pressed tightly in the wire groove 5 by the pressure block 4. A spring 6 that can push the wedge block 3 to move outward is also provided in the installation port 2. The spring 6 is sleeved on the mounting screw 9. When the mounting screw 9 is loosened, the spring 6 can push the wedge block 3 to move upward, and the pressure block 4 can be away from the wire groove 5; a fixed surface of the wedge block 3 close to the pressure block 4 is provided A guide bar 11 has a T-shaped cross-section, and a guide groove 10 matching the guide bar 11 is provided on the pressure block 4, so that the vertical movement of the wedge block 3 can drive the lateral movement of the pressure block 4; wire grooves 5 are provided on the two side walls of the installation opening 2, and there are two pressure blocks 4, and two wire clamping jaws can be formed by the two wire grooves 5 and the two pressure blocks 4; a threaded hole three 16 is provided on the block 1 on one side of the threaded hole one 7, and the block 1 can be installed on the connecting piece by using screws through the threaded hole three 16, and then installed in the slot body of the bridge through the connecting piece.
[0020] Example 2: Please refer to Figure 4-Figure 6The utility model provides a technical solution: a clamp-type connecting copper block for a cable tray grounding system, comprising a block 1, an installation opening 2 is provided in the block 1, a wedge 3 that can slide along its depth direction is provided in the installation opening 2, a wire groove 5 is provided on the side wall of the installation opening 2, the cross section of the wire groove 5 is semicircular, the wire groove 5 can accommodate part of the grounding wire, a pressing block 4 that can move toward the wire groove 5 is slidably provided in the installation opening 2, a wire clamping jaw is formed between the pressing block 4 and the wire groove 5, which is convenient for workers to install the grounding wire, the jaw has a self-locking function to improve the installation strength, and the contact area with the cable is increased by the pressing block 4 and the wire groove 5. To avoid damage to the grounding wire due to over-tightening, the stability of the grounding system connection is improved. The pressure block 4 is slidably connected to the inclined surface of the wedge block 3. The side wall of the installation port 2 with a wire groove 5 is an inclined surface, which is convenient for moving the grounding wire into the wire clamping jaws. The block 1 is provided with an avoidance groove 12 matching the connecting piece. The bottom of the installation port 2 is provided with a threaded hole 7 that penetrates the block 1. A through hole 8 is provided in the wedge block 3. A mounting screw 9 is inserted in the through hole 8. The mounting screw 9 is screwed into the threaded hole 7. The wedge block 3 can move freely on the mounting screw 9 and the wedge block 3 can be pressed downward by rotating the mounting screw 9. When the wedge block 3 is pressed downward, the pressure block 4 can Close to the wire slot 5, the grounding wire is pressed tightly in the wire slot 5 by the pressure block 4, and a spring 6 that can push the wedge block 3 to move outward is also provided in the installation port 2. The spring 6 is mounted on the installation screw 9. When the installation screw 9 is loosened, the wedge block 3 can be pushed upward by the spring 6, and the pressure block 4 can be away from the wire slot 5; a guide strip 11 with a T-shaped cross section is fixedly provided on the surface of the wedge block 3 on the side close to the pressure block 4, and a guide groove 10 matching the guide strip 11 is provided on the pressure block 4, so that the horizontal movement of the pressure block 4 is driven by the vertical movement of the wedge block 3; a wire slot 5 is provided on one side wall of the installation port 2, and the number of pressure blocks 4 is One, a pair of threading holes 13 are provided on the block 1, and a pair of threaded holes 14 connected to the pair of threading holes 13 are provided on the block 1. Flat head screws 15 are screwed into the pair of threading holes 14. The threading holes 13 can be used to insert grounding wires. The grounding wires can be pressed into the threading holes 13 by tightening the flat head screws 15, thereby providing another cable installation part besides the wire clamping jaws, thereby improving the applicability of the connecting copper block; a threaded hole 3 16 is provided on one side of the threaded hole 1 7 on the block 1, and the block 1 can be installed on the connecting piece by using screws through the threaded hole 3 16, and then installed in the slot body of the bridge through the connecting piece.
[0021] 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. A clamp-type copper block for connecting a cable tray grounding system, characterized in that: The invention comprises a block body (1), wherein a mounting opening (2) is provided in the block body (1), wherein a wedge block (3) capable of sliding along the depth direction thereof is arranged in the mounting opening (2), wherein a wire groove (5) is provided on the side wall of the mounting opening (2), wherein the cross section of the wire groove (5) is semicircular, wherein a pressing block (4) capable of moving toward the wire groove (5) is slidably arranged in the mounting opening (2), wherein a wire clamping jaw is formed between the pressing block (4) and the wire groove (5), wherein the pressing block (4) is slidably connected to the inclined surface of the wedge block (3), wherein the side wall of the mounting opening (2) with the wire groove (5) is an inclined surface, wherein the block body (1) is provided with a wire groove (5) and a wire clamping jaw is formed between the pressing block (4) and the wire groove (5), wherein the pressing block (4) is slidably connected to the inclined surface of the wedge block (3), wherein the side wall of the mounting opening (2) with the wire groove (5) is an inclined surface, and wherein a wire groove (5) is provided on the block body (1). There is an avoidance groove (12), a threaded hole (7) penetrating the block (1) is provided at the bottom of the installation opening (2), a through hole (8) is provided in the wedge block (3), a mounting screw (9) is inserted in the through hole (8), the mounting screw (9) is screwed into the threaded hole (7), the wedge block (3) can move freely on the mounting screw (9) and the wedge block (3) can be pressed downward by rotating the mounting screw (9), and a spring (6) capable of pushing the wedge block (3) to move outward is also provided in the installation opening (2), and the spring (6) is sleeved on the mounting screw (9).
2. The clamp-type connecting copper block for a cable tray grounding system according to claim 1 is characterized in that: A guide strip (11) with a T-shaped cross section is fixedly arranged on the surface of the wedge block (3) on one side close to the pressing block (4), and a guide groove (10) matching the guide strip (11) is provided on the pressing block (4).
3. The clamp-type connecting copper block for a cable tray grounding system according to claim 1 is characterized in that: The wire grooves (5) are provided on both side walls of the installation opening (2), and the number of the pressing blocks (4) is two.
4. The clamp-type connecting copper block for a cable tray grounding system according to claim 1 is characterized in that: The wire groove (5) is provided on one side wall of the installation opening (2), the number of the pressing block (4) is one, the block body (1) is provided with a pair of threading holes (13), the block body (1) is provided with a pair of threaded holes (14) connected to the pair of threading holes (13), and the pair of threaded holes (14) are both screwed with flat head screws (15).
5. The clamp-type connecting copper block for a cable tray grounding system according to claim 1, characterized in that: The block (1) is provided with a threaded hole three (16) on one side of the threaded hole one (7).