Cable bridge with outdoor independent grounding system
By designing a cable tray with an outdoor independent grounding system, the defects of the existing cable tray in high-strength wind and leakage are solved, and good leakage protection and waterproofing are achieved, ensuring safety and service life.
Patent Information
- Application Number
- CN202311309028.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-10
- Publication Date
- 2025-04-11
AI Technical Summary
Existing cable trays are easily damaged when affected by high-strength wind or other external forces, they are prone to water accumulation inside and lack waterproof functions, and are difficult to deal quickly and effectively in case of leakage, which poses a risk of leakage injury.
A cable tray with an outdoor independent grounding system is designed, including an outer shell, an inner shell, a top plate, a cable tray assembly and a grounding member. The outer shell and the inner shell are connected by an insulating connection member. An independent grounding member is provided at the bottom of the inner shell, which insulated through the bottom of the outer shell and extends to the outside. A air hole is provided at the side wall and bottom to prevent water.
It achieves good leakage protection effect and waterproofing capabilities. Each cable tray has an independent grounding structure, which can quickly neutralize short circuit conditions, avoid electric shock accidents, and extend the service life of the cable.
Smart Images
Figure CN119813035A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of cable bridges, and in particular relates to a cable bridge with an outdoor independent grounding system. Background Art
[0002] Electric energy is the main energy and power for various sectors of the national economy and social life, and is a widely used secondary energy. The electric energy required by buildings is provided by the power system. Since the power plant is far away from the user, it is necessary to transmit electricity to the user through intermediate links such as transmission lines and substations, which involves the support problem of transmission cables. The cable tray is a cable laying device that makes the laying of wires, cables and pipes and cables standardized, serialized and universal. The cable tray mechanism in the prior art generally includes a main support, a beam body, a support arm, a support frame and a cable loading trough body installed on the support. The cable is loaded on the cable loading trough body, and the support arm and the support frame support the loading area of the cable. However, the existing cable tray mechanism has certain defects. When the structure is subjected to high-intensity wind or other external forces, the internal cables are easily damaged, and water is easily accumulated in the cable tray, and it does not have a waterproof function. In addition, once there is leakage inside the cable tray, it is impossible to drain the electricity in time, and it is connected to the ground wire, which is likely to cause leakage injury. The grounding of outdoor cable bridges requires more effective and faster treatment of leakage. Generally, leakage is very easy to occur at the terminal position, but the existing cable bridge is connected to the ground wire throughout the bridge. When leakage occurs, the entire bridge is prone to leakage and injury. In addition, the cable bridge is in the shape of a shell, and water easily accumulates inside, resulting in high internal humidity and shortened cable service life. Summary of the invention
[0003] The technical problem to be solved by the present invention is to provide a cable bridge with good leakage protection effect and good waterproof ability and an outdoor independent grounding system.
[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:
[0005] The cable tray with an outdoor independent grounding system mainly includes an outer cover shell, an inner cover shell, a top plate, a cable rack assembly and a grounding piece; a hanger is installed on the outer cover shell; the inner cover shell is suspended in the outer cover shell, the cable rack assembly is installed in the inner cover shell, a grounding piece is provided at the bottom of the inner cover shell, and the grounding piece insulatedly passes through the bottom of the outer cover shell and extends to the outside; the top plate insulatedly covers the outer cover shell and the inner cover shell; the side walls and the bottom of the outer cover shell and the inner cover shell are provided with air holes.
[0006] A first air hole matrix is provided on the lower half of the side wall of the outer cover shell, and a second air hole matrix is provided on the upper half of the side wall of the inner cover shell, and the second air hole matrix is positioned higher than the first air hole matrix; a first strip air hole matrix is provided on the bottom of the outer cover shell, and a second strip air hole matrix is provided on the bottom of the inner cover shell, and the air holes of the first strip air hole matrix and the air holes of the second strip air hole matrix are arranged correspondingly up and down.
[0007] The outer cover shell and the side wall of the inner cover shell are connected by insulating connectors, and each insulating connector passes through the side wall of the outer cover shell and is connected to a suspension rod.
[0008] The insulating connector is an insulating bolt; the outer cover shell and the inner cover shell are respectively provided with a first bolt hole and a second bolt hole at the position where the insulating connector is installed, and a mounting plate is provided at the bottom end of the hanger rod, and a through hole is provided on the mounting plate; the insulating bolt passes through the through hole and sequentially passes through the first bolt hole and the second bolt hole, an insulating nut is screwed on the insulating bolt on the inner side of the inner cover shell, and an insulating rubber sleeve is covered on the insulating bolt between the inner wall of the outer cover shell and the outer wall of the inner cover shell.
[0009] The top plate is provided with a mounting strip hole, the inner wall of the inner cover shell is inserted with an L-shaped bolt, the L-shaped bolt passes through the mounting strip hole and is fixed with a nut.
[0010] An insulating rubber strip is attached to the lower surface of the top plate which contacts the outer cover shell and the top of the inner cover shell.
[0011] The grounding piece is mainly composed of a metal column, a mounting metal plate is arranged on the top of the metal column, and a rubber sleeve is arranged on the bottom of the metal column passing through the outer cover shell.
[0012] A screw hole is provided at each of the four corners of the mounting metal plate, and the mounting metal plate is fixed to the bottom of the inner cover shell at the screw hole position with screws; the metal column is lowered from the air hole of the second strip air hole matrix and passes through the corresponding air hole position of the first strip air hole matrix to the bottom of the outer cover shell, and the rubber sleeve is at the air hole position of the first strip air hole matrix.
[0013] The cable rack assembly includes a supporting bolt column, a mounting plate and a pressing plate; the supporting bolt column passes through the air holes of the second strip air hole matrix from the bottom of the inner cover shell and is screwed on the supporting bolt column with a tightening nut above the bottom of the inner cover shell; two segmented platforms are provided on the supporting bolt column, each segmented platform is covered with a mounting plate, and the pressing plate is pressed on the mounting plate and fixed with screws; a plurality of cylindrical grooves are provided on the upper surface of the mounting plate, and a corresponding cylindrical groove is provided on the lower surface of the pressing plate.
[0014] A cable tray system assembled by splicing a plurality of the above-mentioned cable trays has connecting bolt holes on both sides of the bottom of the outer cover shell, and the connecting bolt holes of adjacent outer cover shells are spliced and installed with fastening connectors; the fastening connectors include connecting plates and fastening bolts, the connecting plates are placed on the connecting bolt holes of adjacent outer cover shells, and the fastening bolts are passed through the connecting plates and screwed into the connecting bolt holes.
[0015] In view of the problems existing in the current cable bridge, the inventor has designed a cable bridge with an outdoor independent grounding system, which mainly includes an outer cover shell, an inner cover shell, a top plate, a cable rack assembly and a grounding piece; a suspension rod is installed on the outer cover shell; the inner cover shell is suspended in the outer cover shell, a cable rack assembly is installed in the inner cover shell, a grounding piece is provided at the bottom of the inner cover shell, and the grounding piece insulatedly penetrates the bottom of the outer cover shell and extends outside; the top plate insulatedly covers the outer cover shell and the inner cover shell; the side walls and the bottom of the outer cover shell and the inner cover shell are provided with air holes. According to needs, a plurality of the above-mentioned cable bridges can be assembled to form a cable bridge system. Since each section of the outer cover shell and the inner cover shell is provided with an independent grounding piece, it can be connected to the ground wire as needed to protect the leakage protection of the section of the cable bridge. Each section of the cable bridge has an independent grounding structure, which can achieve the best protection effect and achieve the purpose of protecting the leakage protection of the entire cable bridge. In addition, the cable bridge can prevent water accumulation, and the design of the outer shell and the inner shell being insulated from each other also has the effect of preventing leakage from injuring people. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is one of the structural schematic diagrams of the cable bridge with an outdoor independent grounding system of the present invention.
[0017] Figure 2 This is the second structural schematic diagram of the cable bridge with an outdoor independent grounding system of the present invention (without the top plate).
[0018] Figure 3 It is a schematic structural diagram of an outer cover shell in a cable bridge with an outdoor independent grounding system of the present invention.
[0019] Figure 4 It is a schematic structural diagram of an inner cover shell in a cable bridge with an outdoor independent grounding system according to the present invention.
[0020] Figure 5 The present invention is a schematic structural diagram of a hanger rod in a cable bridge with an outdoor independent grounding system.
[0021] Figure 6 The present invention is a schematic diagram of the cross-sectional structure of the suspension rod and the insulating bolt in the cable bridge with an outdoor independent grounding system.
[0022] Figure 7 The figure is a schematic diagram of the overall cross-sectional structure of the cable bridge with an outdoor independent grounding system of the present invention.
[0023] Figure 8 It is a structural schematic diagram of a supporting bolt column in a cable bridge with an outdoor independent grounding system of the present invention.
[0024] Fig. 9 It is a schematic structural diagram of a pressing plate in a cable bridge with an outdoor independent grounding system according to the present invention.
[0025] Fig.10 It is a structural schematic diagram of the connection position of the outer cover in the cable bridge with an outdoor independent grounding system of the present invention.
[0026] Fig.11 The present invention is a schematic structural diagram of a grounding component in a cable tray with an outdoor independent grounding system.
[0027] In the figure: 1. outer cover shell; 10. first strip air hole matrix; 11. connecting bolt hole; 111. fastening bolt; 112. connecting plate; 12. first air hole matrix; 13. first bolt hole; 2. inner cover shell; 20. second strip air hole matrix; 21. second air hole matrix; 22. second bolt hole; 3. top plate; 30. insulating rubber strip; 31. mounting strip hole; 4. L-shaped bolt; 5. suspension rod; 51. mounting plate; 511. perforation; 6. insulating bolt; 60. metal core rod; 61. insulating rubber sleeve; 62. insulating nut; 7. supporting bolt column; 71. tightening nut; 72. section platform; 8. erection plate; 80. pressing plate; 801. bolt column hole; 9. grounding piece; 91. mounting metal plate; 911. screw hole; 92. metal column; 93. rubber sleeve. DETAILED DESCRIPTION
[0028] like Figures 1 to 11 As shown, the cable tray with an outdoor independent grounding system of the present invention mainly includes an outer shell 1, an inner shell 2, a top plate 3, a cable rack assembly and a grounding piece; a suspension rod is installed on the outer shell; the inner shell is suspended in the outer shell, a cable rack assembly is installed in the inner shell, a grounding piece is provided at the bottom of the inner shell, and the grounding piece insulatedly penetrates the bottom of the outer shell and extends outside; the top plate insulatedly covers the outer shell and the inner shell; the side walls and bottom of the outer shell and the inner shell are provided with air holes. Among them,
[0029] A first air hole matrix 12 (i.e., a plurality of air holes arranged in a matrix) is provided on the lower half of the side wall of the outer cover shell, and a second air hole matrix 21 is provided on the upper half of the side wall of the inner cover shell, and the second air hole matrix is positioned higher than the first air hole matrix; a first strip air hole matrix 10 is provided on the bottom of the outer cover shell, and a second strip air hole matrix 20 is provided on the bottom of the inner cover shell, and the air holes of the first strip air hole matrix and the air holes of the second strip air hole matrix are arranged correspondingly up and down.
[0030] The outer shell and the side wall of the inner shell are connected by an insulating connector, and each insulating connector passes through the side wall of the outer shell and is connected to a suspension rod 5. The insulating connector is an insulating bolt 6, which is mainly composed of a plastic bolt and a metal core rod 60 provided inside the plastic bolt. The metal core rod plays a role in preventing breakage, and the plastic bolt can be insulated; the outer shell and the inner shell are respectively provided with a first bolt hole 13 and a second bolt hole 22 at the position where the insulating connector is installed, and a mounting plate 51 is provided at the bottom end of the suspension rod, and a through hole 511 is provided on the mounting plate; the insulating bolt passes through the through hole and passes through the first bolt hole and the second bolt hole in sequence, and an insulating nut 62 is screwed on the insulating bolt on the inner side of the inner shell, and an insulating rubber sleeve 61 is sleeved on the insulating bolt between the inner side wall of the outer shell and the outer side wall of the inner shell. When installing the insulating bolt, first pass the insulating bolt through the through hole of the suspension rod, and then pass it on the outer shell; the insulating rubber sleeve is first pre-inserted between the outer shell and the inner shell, and the insulating bolt passes through the insulating rubber sleeve, and then passes through the inner shell, and is fixed with bolts.
[0031] The top plate is provided with mounting holes 31 at the four corners, and L-shaped bolts 4 are inserted into the inner wall of the inner shell, which pass through the mounting holes and are fixed with nuts. An insulating rubber strip 30 is attached to the lower surface of the top plate that contacts the outer shell and the top of the inner shell to prevent electrical conduction between the outer shell and the inner shell.
[0032] The grounding member 9 is mainly composed of a metal column 92, with a mounting metal plate 91 on the top of the metal column, and a rubber sleeve 93 is sleeved on the metal column passing through the bottom of the outer cover shell. There are four screw holes 911 at the four corners of the mounting metal plate, and the mounting metal plate is fixed to the bottom of the inner cover shell with screws at the screw hole position and insulated from the bottom of the outer cover shell; the metal column is lowered from the air hole of the second strip air hole matrix and passes through the air hole position of the corresponding first strip air hole matrix to the bottom of the outer cover shell, and the rubber sleeve is at the air hole position of the first strip air hole matrix. A grounding member is provided on each inner cover shell, which is independently connected to the ground wire below it as needed. After the ground wire is connected, each section of the inner cover shell has an independent grounding structure, which can quickly neutralize the short circuit, ensure grounding safety, and prevent electric shock.
[0033] The cable rack assembly includes a support bolt column 7, a mounting plate 8 and a pressing plate 80; the support bolt column passes through the air holes of the second strip air hole matrix from the bottom of the inner cover shell and is screwed on the support bolt column with a tightening nut 71 above the bottom of the inner cover shell to tighten and fix the support bolt column; two segmented platforms 72 are provided on the support bolt column, each segmented platform is covered with a mounting plate, and the pressing plate is pressed on the mounting plate and fixed with screws; the upper surface of the mounting plate is provided with a plurality of cylindrical grooves, and the lower surface of the pressing plate is provided with cylindrical grooves corresponding to the mounting plate. The upper and lower cylindrical grooves are used to clamp the cables and limit the cables so that they can be arranged in an orderly manner. When installing the cable rack assembly, the support bolt column is installed first, and after the inner cover shell is installed on the outer cover shell, the mounting plate is put on the support bolt column, and two layers of mounting plates are laid, one layer is laid to mount a layer of cables, and then another layer is laid to mount another layer of cables. After laying the mounting plates, the pressing plate is used to fix the cables.
[0034] The two sides of the bottom of the outer cover shell are provided with connecting bolt holes 11. The connecting bolt holes of adjacent outer cover shells are spliced and installed with fastening connectors. The fastening connectors include connecting plates 112 and fastening bolts 111. The connecting plates are placed on the connecting bolt holes of adjacent outer cover shells. The fastening bolts are passed through the connecting plates and screwed into the connecting bolt holes. In this way, a plurality of the above-mentioned cable trays can be spliced and assembled into a cable tray system. During installation, the outer cover shell is first connected with the fastening connector, and then the cable rack assembly is installed on the inner cover shell. The inner cover shells on which the cable rack assembly is installed are placed one by one in the outer cover shell. The insulating connector connects the outer cover shell with the inner cover shell, and the insulating connector is fixed to the suspension rod; the cables are laid on the cable rack assembly. Finally, L-shaped bolts are inserted into the air holes of the second air vent matrix, and the mounting strip holes on the top plate are put on the L-shaped bolts. The top plate is fixed by fastening the L-shaped bolts with bolts. Since the entire cable bridge is suspended and fixed by a hanger rod to prevent shaking between adjacent cable bridges, the fastening connectors connect adjacent outer cover shells so that all the outer cover shells become a whole.
[0035] The outer cover and inner cover of the cable tray system at the turning position can be designed into corresponding curvature structures.
Claims
1. A cable tray with an outdoor independent grounding system, characterized in that It mainly includes an outer cover shell, an inner cover shell, a top plate, a cable rack assembly and a grounding piece; a hanger is installed on the outer cover shell; the inner cover shell is suspended in the outer cover shell, a cable rack assembly is installed in the inner cover shell, a grounding piece is provided at the bottom of the inner cover shell, and the grounding piece insulatedly passes through the bottom of the outer cover shell and extends outside; the top plate insulatedly covers the outer cover shell and the inner cover shell; the side walls and bottoms of the outer cover shell and the inner cover shell are provided with air holes.
2. The cable tray with outdoor independent grounding system according to claim 1, characterized in that: A first air hole matrix is provided on the lower half of the side wall of the outer cover shell, and a second air hole matrix is provided on the upper half of the side wall of the inner cover shell, and the second air hole matrix is positioned higher than the first air hole matrix; a first strip air hole matrix is provided on the bottom of the outer cover shell, and a second strip air hole matrix is provided on the bottom of the inner cover shell, and the air holes of the first strip air hole matrix and the air holes of the second strip air hole matrix are arranged correspondingly up and down.
3. The cable tray with outdoor independent grounding system according to claim 1, characterized in that: The outer cover shell and the inner cover shell side wall are connected by insulating connectors, and each insulating connector passes through the outer cover shell side wall and is connected to a suspension rod.
4. The cable tray with outdoor independent grounding system according to claim 3, characterized in that: The insulating connector is an insulating bolt; the outer cover shell and the inner cover shell are respectively provided with a first bolt hole and a second bolt hole at the position where the insulating connector is installed, and a mounting plate is provided at the bottom end of the suspension rod, and a through hole is provided on the mounting plate; the insulating bolt passes through the through hole and sequentially passes through the first bolt hole and the second bolt hole, an insulating nut is screwed on the insulating bolt on the inner side of the inner cover shell, and an insulating rubber sleeve is sleeved on the insulating bolt between the inner wall of the outer cover shell and the outer wall of the inner cover shell.
5. The cable tray with outdoor independent grounding system according to claim 1, characterized in that: The top plate is provided with a mounting hole, and an L-shaped bolt is inserted into the inner wall of the inner cover shell. The L-shaped bolt passes through the mounting hole and is fixed with a nut.
6. The cable tray with outdoor independent grounding system according to claim 5, characterized in that: The top plate is affixed with an insulating rubber strip on the lower surface thereof which contacts the top of the outer cover shell and the inner cover shell.
7. The cable tray with outdoor independent grounding system according to claim 1, characterized in that: The grounding piece is mainly composed of a metal column, a mounting metal plate is arranged on the top of the metal column, and a rubber sleeve is sleeved on the bottom of the metal column passing through the outer cover shell.
8. The cable tray with outdoor independent grounding system according to claim 7, characterized in that: A screw hole is provided at each of the four corners of the mounting metal plate, and the mounting metal plate is fixed to the bottom of the inner cover shell at the screw hole position with screws; the metal column is lowered from the air hole of the second strip air hole matrix and passes through the corresponding air hole position of the first strip air hole matrix to the bottom of the outer cover shell, and the rubber sleeve is located at the air hole position of the first strip air hole matrix.
9. The cable tray with outdoor independent grounding system according to claim 1, characterized in that: The cable rack assembly includes a supporting bolt column, a mounting plate and a pressing plate; the supporting bolt column passes through the air holes of the second strip air hole matrix from the bottom of the inner cover shell and is screwed on the supporting bolt column with a tightening nut above the bottom of the inner cover shell; two segmented platforms are provided on the supporting bolt column, each of which is provided with a mounting plate, and the pressing plate is pressed on the mounting plate and fixed with screws; a plurality of cylindrical grooves are provided on the upper surface of the mounting plate, and a corresponding cylindrical groove is provided on the lower surface of the pressing plate.
10. A cable tray system assembled by splicing a plurality of cable trays according to any one of claims 1 to 9, characterized in that: The two side edges of the bottom of the outer cover shell are provided with connecting bolt holes, and the connecting bolt holes of adjacent outer cover shells are spliced and installed with fastening connectors; the fastening connectors include connecting plates and fastening bolts, and the connecting plates are placed on the connecting bolt holes of adjacent outer cover shells, and the fastening bolts are passed through the connecting plates and screwed into the connecting bolt holes.