Special bridge for insulated corrosion-resistant cable

Abstract

The utility model relates to the technical field of cable installation and protection, in particular to an insulating corrosion-resistant cable special bridge, which comprises a bridge body, a cover plate and a self-locking device, insulating layers are arranged on the outer surfaces of the bridge body and the cover plate, corrosion-resistant layers are arranged on the outer surfaces of the insulating layers, the bridge body comprises a bottom plate and side plates, and the side plates are arranged on the bottom plate. The side plates are fixedly installed on the top walls of the left end and the right end of the bottom plate, the two sets of side plates extend towards the middle position of the bottom plate to form upper turnups, a movable plate drives a locking block to be contained in a cavity through a square groove, and then the side turnups on the two sides of a cover plate slide along the upper turnups at the two ends of the side plates to be matched with the side plates. The square groove is aligned with the locking groove, then the movable column is loosened, the spring stretches along with the square groove, the spring drives the movable plate to move towards the square groove till the locking block enters the locking groove from the interior of the cavity through the square groove, and the side plate is limited in the vertical direction under the supporting effect of the spring.

Description

Technical Field

[0001] The utility model relates to the technical field of cable installation and protection, in particular to a special bridge frame for insulating and corrosion-resistant cables. Background Art

[0002] As we all know, cable tray is a structural system specially designed to support, fix and protect cables. It is widely used in various industrial and commercial environments to provide a stable and safe channel for cables, ensure that the cables are neatly and orderly, and reduce damage caused by external environmental factors.

[0003] The existing cable trays have certain deficiencies in insulation and corrosion resistance. Especially in the chemical, electric power and other industries, the cable trays often suffer from environmental corrosion, which leads to performance degradation and even safety accidents. In addition, the existing cable trays and cover plates are fixed with bolts. This installation method requires a large number of bolts during disassembly and assembly, which increases the labor intensity of the staff and reduces work efficiency. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a special bridge for insulating and corrosion-resistant cables.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special bridge for insulating and corrosion-resistant cables, comprising a bridge body, a cover plate and a self-locking device, the outer surfaces of the bridge body and the cover plate are provided with an insulating layer, the outer surface of the insulating layer is provided with a corrosion-resistant layer, the bridge body comprises a bottom plate and a side plate, the left and right top walls of the bottom plate are fixedly mounted with the side plates, two groups of the side plates extend with upper flanges toward the middle position of the bottom plate, the left and right lower parts of the cover plate are provided with side flanges, the self-locking device comprises a locking box, a movable plate, a spring, a locking block, a square groove, a locking groove and a movable column The locking box is fixedly installed on the side wall of the side flange, and a cavity is opened in the locking box, and the movable plate is slidably installed in the cavity; a through hole is opened at one end of the locking box away from the side flange, and the movable column passes through the through hole and is fixedly connected to the side wall of the movable plate; the outer wall of the movable column is sleeved with the spring, and two groups of locking blocks are symmetrically installed on the side wall of the movable plate away from the movable column; the locking box and the side wall of the side flange are both provided with two groups of square grooves, and the side wall of the upper flange is provided with two groups of locking grooves, and the locking blocks pass through the square grooves and are adapted to the locking grooves.

[0008] In order to facilitate the guiding of the movement of the movable plate, the utility model is improved in that rectangular grooves are provided on the upper and lower side walls of the cavity, a fixing rod is fixedly installed in the rectangular groove, a guide block is slidably installed on the fixing rod, and two groups of the guide blocks are fixedly connected to the upper and lower side walls of the movable plate respectively.

[0009] In order to facilitate the limiting of the movable column, the utility model is improved in that a limiting plate is installed on one end of the movable column away from the movable plate through a bearing.

[0010] In order to facilitate pulling the limit plate, the utility model is improved in that a handle is installed on the limit plate.

[0011] In order to facilitate the pulling out and limiting of the limit plate, the utility model is improved in that limit seats are installed on the left and right sides of one end of the locking box away from the side flange, and two groups of the limit seats are respectively provided with limit grooves on the top wall and the bottom wall thereof.

[0012] Preferably, the utility model is improved in that the bridge frame body and the cover plate are made of high-strength metal material.

[0013] Preferably, the utility model is improved in that the insulating layer is made of polytetrafluoroethylene or silicone insulating material.

[0014] Preferably, the utility model is improved in that the corrosion-resistant layer is made of stainless steel or alloy material.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a special bridge for insulating and corrosion-resistant cables, which has the following beneficial effects:

[0017] The insulated and corrosion-resistant cable special bridge is equipped with a self-locking device. The design of the self-locking device makes the connection between the bridge body and the cover plate simpler and faster. Compared with the traditional connection method, it reduces the need for additional tools or fasteners, thereby reducing the installation difficulty and time cost. This makes it convenient and quick to disassemble and reinstall the bridge cover when maintenance or replacement is required.

[0018] The insulated and corrosion-resistant cable bridge has good insulation and corrosion resistance properties by setting up an insulating layer and a corrosion-resistant layer. The insulating layer can effectively isolate the current between the bridge body and the cable to avoid problems such as electrical leakage or short circuit. The corrosion-resistant layer can resist erosion by corrosive substances such as acid, alkali, and salt, protecting the bridge body from corrosion damage, thereby ensuring the safety and service life of the cable bridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of the bridge frame body and the cover plate being separated in the utility model;

[0021] Figure 3 For the utility model Figure 2 A schematic diagram of the structure at the local A of the enlarged part;

[0022] Figure 4 This is a half-section three-dimensional structural schematic diagram of the cover plate and the locking box of the utility model;

[0023] Figure 5 For the utility model Figure 4 An enlarged structural diagram of part B.

[0024] In the figure: 1. cover plate; 2. insulation layer; 3. corrosion-resistant layer; 4. bottom plate; 5. side plate; 6. upper flange; 7. side flange; 8. locking box; 9. movable plate; 10. spring; 11. locking block; 12. square groove; 13. locking groove; 14. movable column; 15. cavity; 16. through hole; 17. rectangular groove; 18. fixing rod; 19. guide block; 20. limit plate; 21. handle; 22. limit seat; 23. limit groove. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-5A special bridge for insulating and corrosion-resistant cables, comprising a bridge body, a cover plate 1 and a self-locking device, wherein the outer surfaces of the bridge body and the cover plate 1 are provided with an insulating layer 2, and the outer surface of the insulating layer 2 is provided with a corrosion-resistant layer 3, the bridge body comprises a bottom plate 4 and a side plate 5, the top walls at the left and right ends of the bottom plate 4 are fixedly mounted with the side plates 5, and two groups of the side plates 5 extend with upper flanges 6 toward the middle position of the bottom plate 4, and the lower parts of the left and right ends of the cover plate 1 are provided with side flanges 7, and the self-locking device comprises a locking box 8, a movable plate 9, a spring 10, a locking block 11, a square groove 12, a locking groove 13 and an movable plate 14. The movable column 14 is fixedly installed on the side wall of the side flange 7 with the locking box 8, a cavity 15 is opened in the locking box 8, and the movable plate 9 is slidably installed in the cavity 15. The locking box 8 is opened at one end away from the side flange 7 with a through hole 16, and the movable column 14 passes through the through hole 16 and is fixedly connected to the side wall of the movable plate 9. The outer wall of the movable column 14 is sleeved with the spring 10, and the side wall of the movable plate 9 away from the movable column 14 is symmetrically installed with two groups of locking blocks 11. The locking box 8 and the side wall of the side flange 7 are both opened with two groups of square grooves 12. The upper flange The side wall of 6 is provided with two groups of locking grooves 13, and the locking block 11 passes through the square groove 12 and is adapted to the locking groove 13. In this embodiment, by adopting the structural design of the insulating layer 2 and the corrosion-resistant layer 3, good insulation and corrosion resistance are achieved, and the safety and service life of the cable tray are improved. When in use, when it is necessary to install the cover plate 1 with the bridge body, first pull the pulling column, and the pulling column drives the movable plate 9. When the movable plate 9 moves toward the through hole 16, the spring 10 is compressed, and the movable plate 9 drives the locking block 11 to be received into the cavity 15 through the square groove 12, and then the cover plate 1 is The side flanges 7 on both sides slide along the upper flanges 6 at both ends of the side panels 5 to adapt to the side panels 5, align the square groove 12 with the locking groove 13, and then release the movable column 14, the spring 10 will extend accordingly, and the spring 10 drives the movable plate 9 to move in the direction of the square groove 12 until the locking block 11 passes through the square groove 12 from the cavity 15 and enters the locking groove 13. Under the support of the spring 10, the side panel 5 is limited in the vertical direction to complete the installation of the cover plate 1 and the bridge frame body. The number of locking boxes 8 can be determined according to the length of the bridge frame body and the cover plate 1 to ensure the tight connection between the cover plate 1 and the bridge frame body.

[0027] In actual use, it is further convenient to guide the movement of the movable plate 9. In this embodiment, rectangular grooves 17 are provided on the upper and lower side walls of the cavity 15, and a fixing rod 18 is fixedly installed in the rectangular groove 17. A guide block 19 is slidably installed on the fixing rod 18. The two groups of guide blocks 19 are respectively fixedly connected to the upper and lower side walls of the movable plate 9. During the movement, the movable plate 9 drives the guide blocks 19 to slide on the fixing rod 18 to guide the movement of the movable plate 9 and prevent the movable plate 9 from deviating from the motion trajectory.

[0028] In actual use, it is further convenient to limit the movable column 14. In this embodiment, the end of the movable column 14 away from the movable plate 9 is installed with a limiting plate 20 through a bearing. The limiting plate 20 is convenient for limiting the movable column 14 to prevent the movable column 14 from entering the cavity 15 through the through hole 16.

[0029] In actual use, it is further convenient to pull the limit plate 20. In this embodiment, a handle 21 is installed on the limit plate 20. The handle 21 allows the user to grasp and operate the limit plate 20 more easily. The handle 21 provides a stable and comfortable gripping point for the staff, making the operation process simpler and more convenient.

[0030] In actual use, it is further convenient to pull out the limit plate 20 to limit the position. In this embodiment, the locking box 8 is installed with limit seats 22 on the left and right sides of one end away from the side flange 7. The two groups of limit seats 22 are respectively provided with limit grooves 23 on the top wall and the bottom wall. The limit plate 20 drives the movable column 14 to be pulled out through the handle 21, and then rotated clockwise to make the side wall of the limit plate 20 enter the limit groove 23 on the limit seat 22, so as to limit the limit plate 20 and facilitate the cover plate 1 to slide quickly into the bridge frame body.

[0031] Preferably, in this embodiment, the bridge body and the cover plate 1 are made of high-strength metal material and have excellent bearing capacity and stability.

[0032] Preferably, in this embodiment, the insulating layer 2 is made of polytetrafluoroethylene or silicone insulating material. The insulating layer 2 is made of polytetrafluoroethylene material and is covered on the outer surface of the bridge body by spraying or coating, which can effectively prevent current leakage and electrical failure.

[0033] Preferably, in this embodiment, the corrosion-resistant layer 3 is made of stainless steel or alloy material. The corrosion-resistant layer 3 is made of stainless steel material and is covered on the outer surface of the insulating layer 2 by electroplating or spraying, and can resist erosion by corrosive substances such as acids, alkalis, and salts.

[0034] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0035] 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 special bridge for insulating and corrosion-resistant cables, comprising a bridge body, a cover plate (1) and a self-locking device, characterized in that: The outer surfaces of the bridge frame body and the cover plate (1) are provided with an insulating layer (2), and the outer surface of the insulating layer (2) is provided with a corrosion-resistant layer (3). The bridge frame body comprises a bottom plate (4) and a side plate (5). The side plates (5) are fixedly mounted on the top walls at both ends of the bottom plate (4). Two groups of the side plates (5) extend toward the middle position of the bottom plate (4) with upper flanges (6). The lower parts of the left and right ends of the cover plate (1) are provided with side flanges (7). The self-locking device comprises a locking box (8), a movable plate (9), a spring (10), a locking block (11), a square groove (12), a locking groove (13) and a movable column (14). The locking box (8) is fixedly mounted on the side wall of the side flange (7). The locking box (8) is provided with a A cavity (15), wherein the movable plate (9) is slidably installed in the cavity (15), a through hole (16) is provided at one end of the locking box (8) away from the side flange (7), the movable column (14) passes through the through hole (16) and is fixedly connected to the side wall of the movable plate (9), the outer wall of the movable column (14) is sleeved with the spring (10), two groups of locking blocks (11) are symmetrically installed on the side wall of the movable plate (9) away from the movable column (14), the locking box (8) and the side flange (7) are both provided with two groups of square grooves (12), the side wall of the upper flange (6) is provided with two groups of locking grooves (13), and the locking blocks (11) pass through the square grooves (12) and are adapted to the locking grooves (13).

2. The insulated and corrosion-resistant cable tray according to claim 1 is characterized in that: The upper and lower side walls of the cavity (15) are both provided with rectangular grooves (17), a fixing rod (18) is fixedly installed in the rectangular groove (17), a guide block (19) is slidably installed on the fixing rod (18), and two groups of the guide blocks (19) are respectively fixedly connected to the upper and lower side walls of the movable plate (9).

3. The special bridge for insulating and corrosion-resistant cables according to claim 2 is characterized in that: One end of the movable column (14) away from the movable plate (9) is mounted with a limit plate (20) via a bearing.

4. The special bridge for insulating and corrosion-resistant cables according to claim 3 is characterized by: A handle (21) is installed on the limiting plate (20).

5. The special bridge for insulated and corrosion-resistant cables according to claim 4 is characterized in that: Limiting seats (22) are installed on the left and right sides of one end of the locking box (8) away from the side flange (7), and two groups of limiting seats (22) are respectively provided with limiting grooves (23) on the top wall and the bottom wall thereof.

6. The special bridge for insulated and corrosion-resistant cables according to claim 5, characterized in that: The bridge frame body and the cover plate (1) are made of high-strength metal material.

7. The special bridge for insulated and corrosion-resistant cables according to claim 6, characterized in that: The insulating layer (2) is made of polytetrafluoroethylene or silicone insulating material.

8. The special bridge for insulated and corrosion-resistant cables according to claim 7, characterized in that: The corrosion-resistant layer (3) is made of stainless steel or alloy material.

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