Combined cable bridge

Abstract

The utility model relates to the technical field of cable bridges, and discloses a combined type cable bridge which comprises a top plate, a sliding groove is formed in the top of the top plate, a lead screw is connected to the inner wall of the sliding groove in a sliding mode, a clamping block is fixedly connected to the bottom face of the lead screw, and a limiting block is fixedly connected to the bottom face of the clamping block. The middle of the outer wall of the lead screw is in threaded connection with a first nut, the top of the lead screw is in threaded connection with a cone nut, and an expansion pipe is slidably connected between the cone nut and the first nut. A bottom plate is arranged at the bottom of the top plate, a clamping hole is formed in the outer wall of the right side of the bottom plate, and one-way petals are arranged on the inner wall of the top plate. And the one-way petals are symmetrically arranged. According to the cable bridge installation device, the lead screw is fixed, the limiting block is placed from the leftmost end of the sliding groove, and the clamping block is clamped into the designated position of the right side of the sliding groove by sliding rightwards, so that the top plate is fixed, and rapid and efficient installation of the cable bridge is achieved.

Description

Technical Field

[0001] This utility model relates to the field of cable tray technology, and in particular to a combined cable tray. Background Technology

[0002] With the continuous improvement of industrial automation and the development of building intelligence, electrical systems are becoming increasingly complex. Various types of cables, including power cables, control cables and communication cables, need to be laid in buildings, and the number of cables is also increasing. This requires cable trays to provide more flexible laying methods to adapt to different types and quantities of cable layouts. The space utilization of modern buildings and industrial facilities is more compact, which puts forward higher requirements for the spatial adaptability of cable trays.

[0003] Traditional cable trays are typically one-piece structures, which offer limited installation flexibility. In complex building layouts, because their shape and routing are largely fixed during manufacturing, on-site modifications are difficult. This necessitates custom-designed cable trays, increasing costs and extending installation timelines. Repairing and replacing traditional cable trays is also cumbersome; damage to any part requires dismantling a significant portion of the tray for repair or replacement, disrupting cable operation. Furthermore, traditional cable trays lack flexibility in load-bearing capacity adjustments. Later additions to the cable quantity or type increase the load on the tray, and one-piece cable trays cannot simply be modified by adding support structures to meet new load requirements. Therefore, redesigning and installing new cable trays is essential. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a modular cable tray, which aims to improve the poor installation flexibility of traditional cable trays in the prior art. In complex building layouts, because the shape and direction are basically fixed during manufacturing, it is difficult to modify them on site.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a combined cable tray, including a top plate, a groove provided on the top of the top plate, a lead screw slidably connected to the inner wall of the groove, a locking block fixedly connected to the bottom surface of the lead screw, a limit block fixedly connected to the bottom surface of the locking block, a nut threadedly connected to the middle of the outer wall of the lead screw, a tapered nut threadedly connected to the top of the lead screw, an expansion tube slidably connected between the tapered nut and the nut, and a connecting structure provided on the outer wall of the top plate for connecting multiple top plates.

[0006] As a further description of the above technical solution:

[0007] The connection structure includes connection holes, which are opened at both ends of the outer wall of the top plate. Bolts are slidably connected to the inner wall of the connection holes. A lower positioning block is fixedly connected to the bottom of the bolt. An upper positioning block is slidably connected to the outer wall of the upper middle end of the bolt. A nut is threadedly connected to the outer wall of the upper end of the bolt.

[0008] As a further description of the above technical solution:

[0009] The outer wall of the top plate is provided with multiple heat dissipation holes, which are arranged in an array.

[0010] As a further description of the above technical solution:

[0011] Multiple triangular blocks are fixedly connected to the bottom of the outer wall of the top plate, and a sleeve is fixedly connected to the other side of the outer wall of the top plate.

[0012] As a further description of the above technical solution:

[0013] A spring is fixedly connected to the inner wall of the sleeve, and a locking block is fixedly connected to the other end of the spring.

[0014] As a further description of the above technical solution:

[0015] The top plate has a bottom plate at its bottom, and the bottom plate has a locking hole on its right outer wall.

[0016] As a further description of the above technical solution:

[0017] The engaging hole engages with the triangular block, and a slot is provided on the left inner wall of the top plate.

[0018] As a further description of the above technical solution:

[0019] The inner wall of the top plate is provided with one-way lobes, which are symmetrically arranged.

[0020] As a further description of the above technical solution:

[0021] A fixing block is fixedly connected to the lower end of the outer wall of the lead screw, and a blocking block is rotatably connected to the outer wall of the fixing block.

[0022] As a further description of the above technical solution:

[0023] A nameplate is fixedly connected to the middle of the outer wall of the base plate, and the outer wall of the base plate is provided with a fireproof coating.

[0024] This utility model has the following beneficial effects:

[0025] 1. In this utility model, the end of the lead screw near the conical nut is nailed into the pre-drilled hole. The nut is then screwed onto the lead screw and gradually tightened to secure the lead screw firmly. After the lead screw is secured, the installation and fixing of the top plate begins. The limiting block is inserted from the leftmost end of the slide groove and then smoothly slid to the right along the direction of the slide groove until the locking block is accurately locked into the designated position on the right side of the slide groove, thus fixing the top plate on the corresponding structure. The blocking block is then slowly lowered to cover the left side and middle area of ​​the slide groove. This effectively prevents dust and various debris from entering the slide groove, achieving fast and efficient installation of the cable tray.

[0026] 2. In this utility model, the two top plates must first be aligned to ensure edge matching. Then, the lower positioning block is placed at the joint of the two top plates to provide initial positioning and auxiliary connection. Next, the two bolts fixed on the top surface of the lower positioning block are inserted into the connecting holes on the two top plates respectively. Then, the upper positioning block is aligned with the bolt cap and the second nut is tightened to achieve stable assembly of the two top plates, laying a solid foundation for the integrity and reliability of the entire cable tray structure. Attached Figure Description

[0027] Figure 1 This is a front perspective view of a combined cable tray proposed in this utility model;

[0028] Figure 2 This is a partial structural exploded view of a combined cable tray chute proposed in this utility model;

[0029] Figure 3 This is a partial structural exploded view of a combined cable tray lower positioning block proposed in this utility model;

[0030] Figure 4 This is a partial structural diagram of a combined cable tray base plate proposed in this utility model;

[0031] Figure 5 This is a partial structural diagram of a combined cable tray clamping block proposed in this utility model.

[0032] Legend:

[0033] 1. Top plate; 2. Connecting structure; 201. Connecting hole; 202. Lower positioning block; 203. Bolt; 204. Upper positioning block; 205. Nut II; 3. Slide groove; 4. Limiting block; 5. Engaging block; 6. Lead screw; 7. Nut I; 8. Expansion tube; 9. Tapered nut; 10. Fixing block; 11. Blocking block; 12. Heat dissipation hole; 13. Nameplate; 14. Base plate; 15. Triangular block; 16. Engaging hole; 17. Slot; 18. One-way flap; 19. Sleeve; 20. Spring; 21. Locking block. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] Please see the appendix Figure 1 - Appendix Figure 3 This utility model provides an embodiment of a combined cable tray, including a top plate 1. A groove 3 is provided on the top of the top plate 1. A lead screw 6 is slidably connected to the inner wall of the groove 3. The inner wall of the groove 3 has good sliding performance, and the lead screw 6 can slide smoothly inside it. A locking block 5 is fixedly connected to the bottom surface of the lead screw 6. A limit block 4 is fixedly connected to the bottom surface of the locking block 5. A nut 7 is threadedly connected to the middle of the outer wall of the lead screw 6. A tapered nut 9 is threadedly connected to the top of the lead screw 6. An expansion tube 8 is slidably connected between the tapered nut 9 and the adjacent nut 7. When the nut 7 is gradually tightened, the expansion tube 8 will expand and deform under the squeezing action of the lead screw 6 and the surrounding components, thereby further enhancing the stability and reliability of the connection and effectively preventing the lead screw 6 from loosening and displacement during use. A connecting structure 2 is provided on the outer wall of the top plate 1. The connecting structure 2 is used to connect multiple top plates 1.

[0036] Please see the appendix Figure 1 - Appendix Figure 3 The connecting structure 2 includes connecting holes 201, which are located at both ends of the outer wall of the top plate 1. Bolts 203 are slidably connected to the inner wall of the connecting holes 201. A lower positioning block 202 is fixedly connected to the bottom of the bolts 203. An upper positioning block 204 is slidably connected to the outer wall of the upper middle end of the bolts 203. A nut 205 is threadedly connected to the outer wall of the upper end of the bolts 203. The shape and size of the lower positioning block 202 match the top plate 1, allowing it to be accurately embedded in the corresponding position when the two top plates 1 are joined, playing a crucial role in initial positioning and auxiliary connection. The upper outer wall of the upper end of bolt 203 is slidably connected to an upper positioning block 204. The upper positioning block 204 can slide and adjust within a certain range on bolt 203. Its function is to help maintain the verticality of bolt 203 and the tightness of connection between top plates 1 during the tightening of nut 205. The upper outer wall of bolt 203 is threadedly connected to nut 205. When multiple top plates 1 need to be assembled, bolt 203 is passed through the connection hole 201 of adjacent top plates 1, and then the tight and stable connection between top plates 1 is achieved by tightening nut 205.

[0037] Please see the appendix Figure 2 - Appendix Figure 4The outer wall of the top plate 1 is provided with multiple heat dissipation holes 12. The array of heat dissipation holes 12 can effectively promote air circulation between the inside and outside environment of the cable tray. When the cable generates heat while running in the cable tray, the heat can be quickly dissipated through the heat dissipation holes 12, thereby reducing the temperature inside the cable tray and ensuring that the cable is always within a suitable working temperature range, extending the service life of the cable and improving the safety and stability of operation. Multiple triangular blocks 15 are fixedly connected to the bottom of the outer wall of the top plate 1, which have good stability and locking performance. A sleeve 19 is fixedly connected to the outer wall of the other side of the top plate 1. A spring 20 is fixedly connected to the inner wall of the sleeve 19. A locking block 21 is fixedly connected to the other end of the spring 20. A bottom plate 14 is provided at the bottom of the top plate 1. A locking hole 16 is provided on the right outer wall of the bottom plate 14. The shape and size of the locking hole 16 on the right outer wall of the bottom plate 14 match the triangular blocks 15, which can achieve a tight and stable locking connection, thereby ensuring the reliability of the connection between the top plate 1 and the bottom plate 14.

[0038] Please see the appendix Figure 3 - Appendix Figure 5 The locking hole 16 engages with the triangular block 15. A slot 17 is provided on the inner left side of the top plate 1. One-way flaps 18 are provided on the inner wall of the top plate 1. The one-way flaps 18 are symmetrically arranged, which greatly facilitates the laying of cables. A fixing block 10 is fixedly connected to the lower end of the outer wall of the lead screw 6. A blocking block 11 is rotatably connected to the outer wall of the fixing block 10. When dust and debris enter the interior of the slide 3, the blocking block 11 is rotated to cover the corresponding area to achieve the purpose of protection. A nameplate 13 is fixedly connected to the middle of the outer wall of the bottom plate 14, which facilitates the quick and accurate acquisition of relevant information during installation, maintenance and management. The outer wall of the bottom plate 14 is provided with a fireproof coating, which has good high temperature resistance and heat insulation performance.

[0039] Working principle: Insert the lead screw 6 into the pre-drilled hole near the tapered nut 9, screw the nut 7 onto the lead screw 6 and tighten it gradually to secure the lead screw 6. After securing the lead screw 6, begin the installation and fixing of the top plate 1. Insert the limiting block 4 from the leftmost end of the slide 3 and slide it smoothly to the right along the direction of the slide 3 until the locking block 5 is accurately locked into the designated position on the right side of the slide 3, so that the top plate 1 is fixed on the corresponding structure. Slowly lower the blocking block 11 to cover the left side and middle area of ​​the slide 3. This effectively prevents dust and various debris from entering the interior of the slide 3, achieving fast and efficient installation of the cable tray.

[0040] First, align the two top plates 1 to ensure edge matching. Then, place the lower positioning block 202 at the joint of the two top plates 1 to provide initial positioning and auxiliary connection. Next, insert the two bolts 203 fixed on the top surface of the lower positioning block 202 into the connection holes 201 on the two top plates 1 respectively. Then, align the upper positioning block 204 with the bolts 203 and tighten the nut 205 to achieve stable assembly of the two top plates 1, laying a solid foundation for the integrity and reliability of the entire cable tray structure.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A combined cable bridge, comprising a top plate (1), characterized in that: The top of the top plate (1) is provided with a chute (3), the inner wall of the chute (3) is slidably connected with a lead screw (6), the bottom surface of the lead screw (6) is fixedly connected with an engaging block (5), the bottom surface of the engaging block (5) is fixedly connected with a limiting block (4), the outer wall of the middle part of the lead screw (6) is threadedly connected with a nut one (7), the top of the lead screw (6) is threadedly connected with a taper nut (9), the adjacent taper nut (9) and the nut one (7) are slidably connected with an expanding pipe (8), the outer wall of the top plate (1) is provided with a connecting structure (2), and the connecting structure (2) is used for connecting a plurality of top plates (1).

2. The combined cable bridge according to claim 1, characterized in that: The connecting structure (2) comprises connecting holes (201) which are formed in the outer walls of the top plate (1) at both ends, the inner wall of the connecting hole (201) is slidably connected with a bolt (203), the bottom of the bolt (203) is fixedly connected with a lower limiting block (202), the outer wall of the middle upper end of the bolt (203) is slidably connected with an upper limiting block (204), and the outer wall of the upper end of the bolt (203) is threadedly connected with a nut two (205).

3. The combined cable bridge according to claim 1, characterized in that: The outer wall of the top plate (1) is provided with a plurality of heat dissipation holes (12), and the heat dissipation holes (12) are arranged in an array.

4. The combined cable bridge of claim 1, wherein: The outer wall of the top plate (1) is fixedly connected with a plurality of triangular blocks (15), and the other side of the outer wall of the top plate (1) is fixedly connected with a sleeve (19).

5. The combined cable bridge according to claim 4, characterized in that: The inner wall of the sleeve (19) is fixedly connected with a spring (20), and the other end of the spring (20) is fixedly connected with a clamping block (21).

6. The combined cable bridge of claim 1, wherein: The bottom of the top plate (1) is provided with a bottom plate (14), and the right side of the outer wall of the bottom plate (14) is provided with a clamping hole (16).

7. The combined cable bridge according to claim 6, characterized in that: The clamping hole (16) is clamped with the triangular block (15), and the left side of the inner wall of the top plate (1) is provided with a clamping groove (17).

8. The combined cable bridge of claim 1, wherein: The inner wall of the top plate (1) is provided with a one-way flap (18), and the one-way flap (18) is symmetrically arranged.

9. The combined cable bridge of claim 1, wherein: The outer wall of the lower end of the lead screw (6) is fixedly connected with a fixed block (10), and the outer wall of the fixed block (10) is rotatably connected with a plug block (11).

10. The combined cable bridge of claim 6, wherein: The outer wall of the bottom plate (14) is fixedly connected with a nameplate (13), and the outer wall of the bottom plate (14) is provided with a fireproof coating.

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