Steel structure cable bridge

Abstract

The utility model belongs to cable bridge technical field discloses a kind of steel structure cable bridge, square, square is set above ground, elevated structure, elevated structure is set in square middle part, and elevated structure includes U-shaped bridge and first screw rod, U-shaped bridge is set in square middle part, and the first screw rod for adjusting the height of U-shaped bridge is set in the below of U-shaped bridge, and the side of U-shaped bridge is provided with extension plate, cable is sequentially placed in cable groove from left to right, when being placed in the cable groove below control block, cable presses control block, control block is with other end to lift, control block pulls first spring and drives center rod to come out from limit hole, extension plate is ejected by second spring, telescopic rod is set between extension plate and compression groove in the middle of second spring, extension plate lengthens the length of U-shaped bridge, slows down the load pressure of U-shaped bridge, reduces the self-crossing distance between two bridges, disperses cable gravity.

Description

Technical Field

[0001] This utility model belongs to the field of cable tray technology, specifically, it relates to a steel structure cable tray. Background Technology

[0002] A steel structure cable tray is a cable support system made of steel, mainly used for the laying, protection, and management of power and communication cables. Its core functions include supporting cable weight, isolating external interference, optimizing wiring paths, and improving project safety and maintenance convenience.

[0003] The prior art discloses a novel steel structure trough-type cable tray (CN202222964146.0), which includes a cable tray base, a positioning plate, and a cable tray top cover. The cable tray base has slots at the center of both ends on one side of the top. The cable tray base has a groove on one side of the slots. A compression spring is fixedly installed on one end of the cable tray base inside the groove by bolts. A movable block is fixedly installed on the top end of the compression spring by bolts. A movable rod is connected through the center of the movable block. Connecting plates are fixedly installed on both ends of the bottom of the cable tray top cover by bolts.

[0004] Existing technology moves the positioning plate on the fixing bolt up and down in the movable groove, and fixes and clamps the cable through the arc groove under the positioning plate, so that the cable tray base structure is fixed and cannot be extended. When there are too many cables, the cable tray base is heavily loaded. Existing technology cannot adjust the self-span distance between the cable trays to distribute the weight of the cables. After long-term use, the cable tray base is prone to deformation.

[0005] In view of this, this utility model is proposed. Utility Model Content

[0006] To solve the aforementioned technical problem of failing to distribute the weight of cables, the basic concept of the technical solution adopted by this utility model is: a steel structure cable tray, including a square frame, which is set above the ground;

[0007] The lifting structure is located in the middle of the frame. The lifting structure includes a U-shaped cable tray and a first lead screw. The U-shaped cable tray is located in the middle of the frame. A first lead screw for adjusting the height of the U-shaped cable tray is located below the U-shaped cable tray. An extension plate is located on one side of the U-shaped cable tray. Two clamping blocks for holding cables are located above the U-shaped cable tray. A control block for extending the extension plate out of the U-shaped cable tray is located near the lower clamping block.

[0008] In a preferred embodiment of this utility model, the lifting structure further includes a protective box, a transmission rod, a moving block, and a connecting plate. The protective box is fixedly installed at the bottom of the square frame. An adjustment groove is provided on the top surface of the protective box. Two transmission rods are installed in the adjustment groove. The two transmission rods cross each other and are rotatably connected in the middle. One end of the transmission rod is rotatably connected to the inner wall of the protective box, and the other end is fixedly connected to a moving block. The other end of the transmission rod is fixedly connected to the moving block, and the other end is rotatably connected to a connecting plate. The moving block near the lower side is threadedly connected to a first lead screw. The two ends of the first lead screw are rotatably connected to the two sides of the inner wall of the protective box. A handle is provided on one side of the square frame. The handle is rotatably connected to the square frame. One end of the handle passes through the square frame and the protective box and is fixedly connected to one end of the first lead screw.

[0009] In a preferred embodiment of the present invention, the lifting structure further includes side plates and a round rod. Two side plates are fixed to the bottom surface of the U-shaped bridge, and a round rod is fixed to the middle of the two side plates. The round rod passes through the upper movable block and the movable block is slidably connected to the round rod.

[0010] In a preferred embodiment of this utility model, the lifting structure further includes a top cover, a sliding groove, and a second lead screw. The top surface of the top cover is fixedly connected to the top surface of the square frame. A sliding groove is opened on each side of the U-shaped bridge. The top cover is slidably connected to a sliding groove on each side. The second lead screw passes through the top surface of the top cover and is rotatably connected to the top surface of the upper clamping block. The top cover is threadedly connected to the second lead screw. The two ends of the upper clamping block are slidably connected to a sliding groove. The bottom surface of the lower clamping block is fixedly connected to the U-shaped bridge.

[0011] In a preferred embodiment of the present invention, the lifting structure further includes a second spring and a limiting hole. An insertion groove is provided on one side of the U-shaped bridge, and an extension plate is disposed in the insertion groove. One side of the extension plate is fixedly connected to one end of the second spring, and the other end of the second spring is fixedly connected to one side of the insertion groove. A limiting hole is provided on the top surface of the extension plate.

[0012] In a preferred embodiment of this utility model, the lifting structure further includes a cable trough, a first spring, a central rod, and a compression groove. One end of the central rod is fixedly connected to the control block. Several cable troughs are opened on opposite sides of the two clamping blocks. A compression groove is opened between two adjacent cable troughs. The central rod and the first spring are arranged in the compression groove. One end of the first spring is fixedly connected to the bottom surface of the control block, and the other end of the first spring is fixedly connected to the bottom surface of the compression groove. The central rod is located in the middle of the first spring.

[0013] In a preferred embodiment of this utility model, the other end of the central rod passes through the U-shaped cable tray and engages with the limiting hole. The overall shape of the control block is S-shaped, and the curvature of one end of the control block is adapted to the cable trough.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] 1. Place the cables in the cable tray from left to right. When the cable tray is placed below the control block, the cable presses against the control block, causing the control block to lift up at the other end. The control block pulls the first spring and drives the center rod out of the limiting hole. The extension plate is popped out by the second spring. A telescopic rod is set in the middle of the second spring and between the extension plate and the compression groove. The extension plate extends the length of the U-shaped cable tray, reduces the load pressure on the U-shaped cable tray, reduces the self-span distance between the two cable trays, and disperses the weight of the cable.

[0016] 2. Depending on the cable installation environment, turn the handle. The handle drives the first lead screw to rotate, and the lower moving block moves, driving the two transmission rods to rotate. The two transmission rods raise the U-shaped cable tray. The upper moving block is on the wall of the round rod. According to the cable installation environment, the U-shaped cable tray is raised to a suitable installation height. The U-shaped cable tray can be raised and lowered within a limited range, which is convenient for maintenance and use.

[0017] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0018] In the attached diagram:

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

[0020] Figure 2 This is a schematic diagram of the lifting structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the upper side of the lifting structure of this utility model;

[0022] Figure 4 This is a partial schematic diagram of the lifting structure of this utility model;

[0023] Figure 5 This is a schematic diagram of the extension plate of this utility model.

[0024] In the diagram: 1. Frame; 2. Top cover; 3. Protective box; 4. Adjustment groove; 5. Handle; 6. Transmission rod; 7. U-shaped cable tray; 8. Extension plate; 9. Clamping block; 10. Slide groove; 11. Side plate; 12. Round rod; 13. Moving block; 14. First lead screw; 15. Connecting plate; 16. Second lead screw; 17. Control block; 18. Cable trough; 19. First spring; 20. Center rod; 21. Second spring; 22. Compression groove; 23. Limiting hole. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0026] A type of steel structure cable tray, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a rectangular frame 1 is positioned above the ground. A lifting structure is located in the middle of the frame 1. The lifting structure includes a U-shaped cable tray 7 and a first lead screw 14. The U-shaped cable tray 7 is positioned in the middle of the frame 1, and a first lead screw 14 is located below the U-shaped cable tray 7 to adjust its height. The lifting structure also includes a protective box 3, transmission rods 6, a moving block 13, and a connecting plate 15. The protective box 3 is fixed to the bottom of the frame 1. An adjustment groove 4 is formed on the top surface of the protective box 3. Two transmission rods 6 are installed in the adjustment groove 4, intersecting and rotatably connected at the middle. One end of one transmission rod 6 is rotatably connected to the inner wall of the protective box 3, and the other end is fixed to a moving block 13. The connection is as follows: one end of another transmission rod 6 is fixedly connected to the moving block 13 and the other end is rotatably connected to a connecting plate 15. The moving block 13 near the lower side is threadedly connected to the first lead screw 14. The two ends of the first lead screw 14 are rotatably connected to the inner walls of the protective box 3. A handle 5 is provided on one side of the frame 1. The handle 5 is rotatably connected to the frame 1. One end of the handle 5 passes through the frame 1 and the protective box 3 and is fixedly connected to one end of the first lead screw 14. The lifting structure also includes side plates 11 and round rods 12. Two side plates 11 are fixedly installed on the bottom surface of the U-shaped bridge 7. A round rod 12 is fixedly installed in the middle of the two side plates 11. The round rod 12 passes through the upper moving block 13 and the moving block 13 is slidably connected to the round rod 12.

[0027] Depending on the cable installation environment, turn the handle 5. The handle 5 drives the first lead screw 14 to rotate. The lower moving block 13 moves and drives the two transmission rods 6 to rotate. The two transmission rods 6 raise the U-shaped cable tray 7. The upper moving block 13 is on the wall of the round rod 12. According to the cable installation environment, the U-shaped cable tray 7 is raised to a suitable installation height. The U-shaped cable tray 7 can be raised and lowered within a limited range, which is convenient for maintenance and use.

[0028] A type of steel structure cable tray, such as Figure 4 and Figure 5As shown, an extension plate 8 is provided on one side of the U-shaped cable tray 7. A control block 17 is provided near the lower clamping block 9 to extend the extension plate 8 out of the U-shaped cable tray 7. The lifting structure also includes a second spring 21 and a limiting hole 23. An insertion groove is provided on one side of the U-shaped cable tray 7, and the extension plate 8 is placed in the insertion groove. One side of the extension plate 8 is fixedly connected to one end of the second spring 21, and the other end of the second spring 21 is fixedly connected to one side of the insertion groove. A limiting hole 23 is provided on the top surface of the extension plate 8. The lifting structure also includes a cable trough 18, a first spring 19, a central rod 20, and a compression groove 22. One side of the central rod 20... The end is fixedly connected to the control block 17. Several cable grooves 18 are opened on the opposite side of the two clamping blocks 9. A compression groove 22 is opened between two adjacent cable grooves 18. The center rod 20 and the first spring 19 are set in the compression groove 22. One end of the first spring 19 is fixedly connected to the bottom surface of the control block 17, and the other end of the first spring 19 is fixedly connected to the bottom surface of the compression groove 22. The center rod 20 is set in the middle of the first spring 19. The other end of the center rod 20 passes through the U-shaped bridge 7 and engages with the limiting hole 23. The overall shape of the control block 17 is S-shaped, and the curvature of one end of the control block 17 is adapted to the cable groove 18.

[0029] Control blocks 17 are located on two adjacent cable trays 18 near the right side of the U-shaped cable tray 7. Cables are placed in the cable trays 18 from left to right. When a cable is placed in the cable tray 18 below the control block 17, the cable presses down on the control block 17, causing the control block 17 to lift up at the other end. The control block 17 pulls the first spring 19 and drives the center rod 20 out of the limiting hole 23. The extension plate 8 is ejected by the second spring 21. A telescopic rod is provided in the middle of the second spring 21 and between the extension plate 8 and the compression groove 22. The extension plate 8 extends the length of the U-shaped cable tray 7, reduces the load pressure on the U-shaped cable tray 7, reduces the self-span distance between the two cable trays, and disperses the weight of the cable.

[0030] A type of steel structure cable tray, such as Figure 1 and Figure 3 As shown, the U-shaped cable tray 7 has two clamping blocks 9 on its upper part for holding cables. The lifting structure also includes a top cover 2, a sliding groove 10, and a second lead screw 16. The top surface of the top cover 2 is fixedly connected to the top surface of the frame 1. A sliding groove 10 is opened on each side of the U-shaped cable tray 7. The top cover 2 is slidably connected to a sliding groove 10 on each side. The second lead screw 16 passes through the top surface of the top cover 2 and is rotatably connected to the top surface of the upper clamping block 9. The top cover 2 is threadedly connected to the second lead screw 16. The two ends of the upper clamping block 9 are slidably connected to a sliding groove 10. The bottom surface of the lower clamping block 9 is fixedly connected to the U-shaped cable tray 7.

[0031] When the U-shaped cable tray 7 rises, the top cover 2 and the upper clamping block 9 slide within the two slide grooves 10. If maintenance or additional cables are needed, the U-shaped cable tray 7 is lowered, and the top cover 2 comes out of the U-shaped cable tray 7. When the U-shaped cable tray 7 stops rising with the lower clamping block 9, the second lead screw 16 is rotated to move the upper clamping block 9 down, and the two clamping blocks 9 clamp the cables.

[0032] The working principle of this utility model is as follows: Based on the cable installation environment, rotating the handle 5 causes the first lead screw 14 to rotate. The lower moving block 13 moves, causing the two transmission rods 6 to rotate. The two transmission rods 6 raise the U-shaped cable tray 7. The upper moving block 13, on the wall of the round rod 12, raises the U-shaped cable tray 7 to a suitable installation height according to the cable installation environment. The U-shaped cable tray 7 can be raised and lowered within a limited range, facilitating maintenance and use. When the U-shaped cable tray 7 rises, the top cover 2 and the upper clamping block 9 slide within the two sliding grooves 10. If maintenance or cable addition is needed, the U-shaped cable tray 7 is lowered, and the top cover 2 exits from the U-shaped cable tray 7. When the U-shaped cable tray 7 stops rising with the lower clamping block 9, the second lead screw 16 is rotated. The upper clamping block 9 moves downward, and the two clamping blocks 9 clamp the cable. The control block 17 is set in two adjacent cable grooves 18 near the right side of the U-shaped cable tray 7. The cable is placed in the cable groove 18 from left to right. When the cable is placed in the cable groove 18 below the control block 17, the cable presses the control block 17, and the control block 17 lifts up with the other end. The control block 17 pulls the first spring 19 and drives the center rod 20 out of the limiting hole 23. The extension plate 8 is popped out by the second spring 21. The second spring 21 has a telescopic rod in the middle and between the extension plate 8 and the compression groove 22. The extension plate 8 extends the length of the U-shaped cable tray 7, reduces the load pressure of the U-shaped cable tray 7, reduces the self-span distance between the two cable trays, and disperses the weight of the cable.

[0033] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A steel structure cable tray, characterized in that, include The square (1) is set above the ground; The lifting structure is located in the middle of the frame (1). The lifting structure includes a U-shaped cable tray (7) and a first lead screw (14). The U-shaped cable tray (7) is located in the middle of the frame (1). A first lead screw (14) for adjusting the height of the U-shaped cable tray (7) is provided below the U-shaped cable tray (7). An extension plate (8) is provided on one side of the U-shaped cable tray (7). Two clamping blocks (9) for clamping cables are provided above the U-shaped cable tray (7). A control block (17) for extending the extension plate (8) out of the U-shaped cable tray (7) is provided near the lower clamping block (9).

2. A steel structure cable tray according to claim 1, characterized in that, The lifting structure also includes a protective box (3), transmission rods (6), a moving block (13), and a connecting plate (15). The protective box (3) is fixed to the bottom of the square frame (1). An adjustment groove (4) is provided on the top surface of the protective box (3). Two transmission rods (6) are provided in the adjustment groove (4). The two transmission rods (6) are crossed and rotatably connected in the middle. The end of one transmission rod (6) is rotatably connected to the inner wall of the protective box (3), and the other end is fixedly connected to a moving block (13). The other transmission rod... (6) is fixedly connected to the moving block (13) at one end and rotatably connected to a connecting plate (15) at the other end. The moving block (13) near the lower side is threadedly connected to the first screw (14). The two ends of the first screw (14) are rotatably connected to the inner walls of the protective box (3). A handle (5) is provided on one side of the frame (1). The handle (5) is rotatably connected to the frame (1). One end of the handle (5) passes through the frame (1) and the protective box (3) and is fixedly connected to one end of the first screw (14).

3. A steel structure cable tray according to claim 2, characterized in that, The lifting structure also includes side plates (11) and round rods (12). Two side plates (11) are fixed on the bottom surface of the U-shaped bridge (7), and a round rod (12) is fixed in the middle of the two side plates (11). The round rod (12) passes through the upper movable block (13) and the movable block (13) is slidably connected to the round rod (12).

4. A steel structure cable tray according to claim 3, characterized in that, The lifting structure also includes a top cover (2), a sliding groove (10), and a second lead screw (16). The top surface of the top cover (2) is fixedly connected to the top surface of the frame (1). A sliding groove (10) is opened on each side of the U-shaped bridge (7). The top cover (2) is slidably connected to a sliding groove (10) on each side. The second lead screw (16) passes through the top surface of the top cover (2) and is rotatably connected to the top surface of the upper clamping block (9). The top cover (2) is threadedly connected to the second lead screw (16). The upper clamping block (9) is slidably connected to a sliding groove (10) at each end. The bottom surface of the lower clamping block (9) is fixedly connected to the U-shaped bridge (7).

5. A steel structure cable tray according to claim 1, characterized in that, The lifting structure also includes a second spring (21) and a limiting hole (23). A slot is provided on one side of the U-shaped bridge (7), and an extension plate (8) is placed in the slot. One side of the extension plate (8) is fixedly connected to one end of the second spring (21), and the other end of the second spring (21) is fixedly connected to one side of the slot. A limiting hole (23) is provided on the top surface of the extension plate (8).

6. A steel structure cable tray according to claim 5, characterized in that, The lifting structure also includes a cable trough (18), a first spring (19), a central rod (20), and a compression groove (22). One end of the central rod (20) is fixedly connected to the control block (17). Several cable troughs (18) are opened on the opposite side of the two clamping blocks (9). A compression groove (22) is opened between two adjacent cable troughs (18). The central rod (20) and the first spring (19) are set in the compression groove (22). One end of the first spring (19) is fixedly connected to the bottom surface of the control block (17), and the other end of the first spring (19) is fixedly connected to the bottom surface of the compression groove (22). The central rod (20) is set in the middle of the first spring (19).

7. A steel structure cable tray according to claim 6, characterized in that, The other end of the central rod (20) passes through the U-shaped bridge (7) and engages with the limiting hole (23). The overall shape of the control block (17) is S-shaped, and the arc of one end of the control block (17) is adapted to the cable trough (18).

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