Protection structure of cable bridge

Abstract

The utility model discloses a cable bridge protection structure comprising a cover plate and a U-shaped bridge, the inner side of the cover plate is provided with a slideway, the slideway is fixedly provided with a protection rack, the inner side of the slideway is connected with a movable sealing plate, the upper end of the cover plate is provided with a fixing device, the outer end of the movable sealing plate is fixedly provided with an outer baffle plate, and the U-shaped bridge is provided with an inner baffle plate. A first spring is arranged between the outer baffle and the protection frame, an inner baffle is fixedly arranged on the inner side of the movable sealing plate, a fixing hole is formed in the inner baffle and formed in the movable sealing plate, the movable sealing plate is opened through a protruding block on the upper side of the movable sealing plate, a fixing head right faces the fixing hole in the movable sealing plate, and under the effect of a second spring, the fixing head can be fixed to the movable sealing plate. The fixing head extends into the fixing hole, so that the position of the movable sealing plate is fixed, the opening state is maintained, a cable on the lower portion of the cover plate is convenient to overhaul, and the cable connector has the advantages of being high in practicability and convenient to inspect and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of cable bridge protection structures, in particular to a cable bridge protection structure. Background Art

[0002] Cable trays are divided into trough type, tray type, ladder type, grid type and other structures, which are composed of brackets, brackets and installation accessories. The cable trays in buildings can be erected independently or laid on various buildings and pipe gallery brackets. They should reflect the characteristics of simple structure, beautiful shape and flexible configuration. In nuclear power plants, when laying cables and their cable trays, protective structures are usually installed on the periphery of the cables and their cable trays. However, the protective structures are to place the cables and their cable trays directly in the protective structures for comprehensive enclosure. In this way, when a certain section of the cable fails or even a fire occurs, it is more difficult to conduct timely inspection and maintenance, and it is also difficult to conduct inspection and maintenance during normal operation.

[0003] Therefore, it is necessary to design a protective structure for the cable tray that is practical and easy to inspect and maintain. Utility Model Content

[0004] The purpose of the utility model is to provide a protective structure of a cable tray to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a protective structure of a cable tray, comprising a cover plate and a U-shaped tray, a slide is arranged on the inner side of the cover plate, a protective frame is fixed on the upper side of the slide, a movable sealing plate is connected to the inner side of the slide, a fixing device is installed on the upper end of the cover plate, an outer baffle is fixedly arranged on the outer end of the movable sealing plate, the outer baffle is located on the outer side of the slide, a first spring is arranged between the outer baffle and the protective frame, an inner baffle is fixedly arranged on the inner side of the movable sealing plate, a fixing hole is arranged on the inner baffle, the fixing hole is opened on the movable sealing plate, a through opening is arranged on the upper side of the movable sealing plate, and the through opening is opened on the cover plate.

[0006] According to the above technical solution, the fixing device includes a fixing frame, a movable rod, a second spring, a positioning block, a fixing head and a handle, the upper end of the cover plate is fixedly installed with a fixing frame, a movable rod is movably installed on the fixing frame, the movable rod is installed with a second spring, positioning blocks are fixedly installed at both ends of the movable rod, a fixing head and a handle are arranged on the outside of the positioning block, and the fixing head and the handle are located at both ends of the movable rod.

[0007] According to the above technical solution, the cover plate, the slide and the protective frame are all integrated structures, the movable sealing plate and the slide are movably connected, and two movable sealing plates are symmetrically arranged inside the slide.

[0008] According to the above technical solution, a support plate is provided at the bottom of the U-shaped bridge frame, a movable groove is symmetrically provided in the support plate, a limiting rod is provided inside the movable groove, a movable ring is sleeved on the limiting rod, a protective isolation plate is connected to the top of the movable ring, and a fixed spring is sleeved on the limiting rod and arranged between the side surface of the inner wall of the movable groove and the side surface of the movable ring.

[0009] According to the above technical solution, a plurality of partition plates are further arranged at the upper end of the support plate, a ventilation hole is penetrated through the middle of the support plate, and the partition plates are spaced apart from the ventilation hole.

[0010] Compared with the prior art, the beneficial effect achieved by the utility model is as follows: in the utility model, a slide is provided on the inner side of the cover plate, a protective frame is fixed on the upper side of the slide, a movable sealing plate is connected to the inner side of the slide, a fixing device is installed on the upper end of the cover plate, an outer baffle is fixedly provided on the outer end of the movable sealing plate, the outer baffle is located on the outer side of the slide, a first spring is provided between the outer baffle and the protective frame, an inner baffle is fixedly provided on the inner side of the movable sealing plate, a fixing hole is provided on the inner baffle, the movable sealing plate is opened by the protrusion on the upper side of the movable sealing plate, the fixing head on the fixing device is facing the fixing hole on the movable sealing plate, and under the action of the second spring, the fixing head is extended into the fixing hole, thereby fixing the position of the movable sealing plate to maintain the through-port in an open state, so as to facilitate the maintenance of the cables at the lower part of the cover plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a schematic diagram of the overall front cross-sectional structure of the utility model;

[0013] Figure 2 It is a side sectional structural schematic diagram of the utility model;

[0014] Figure 3 It is a schematic diagram of the top view structure of the utility model;

[0015] Figure 4 It is a schematic diagram of the fixing device structure of the utility model;

[0016] Figure 5This is a schematic diagram of the support plate structure of the utility model

[0017] In the figure: 1. cover plate; 2. U-shaped bridge; 3. slide; 4. protective frame; 5. movable sealing plate; 6. fixing device; 601. fixing frame; 602. movable rod; 603. second spring; 604. positioning block; 605. fixing head; 606. handle; 7. outer baffle plate; 8. first spring; 9. inner baffle plate; 10. fixing hole; 11. through hole; 12. support plate; 13. movable groove; 14. limiting rod; 15. movable sleeve; 16. protective isolation plate; 17. partition plate; 18. air vent. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-5 The utility model provides a technical solution: a protective structure of a cable tray, including a cover plate 1 and a U-shaped tray 2, a slideway 3 is arranged on the inner side of the cover plate 1, a protective frame 4 is fixed on the upper side of the slideway 3, a movable sealing plate 5 is connected to the inner side of the slideway 3, a fixing device 6 is installed on the upper end of the cover plate 1, an outer baffle 7 is fixedly arranged on the outer end of the movable sealing plate 5, the outer baffle 7 is located on the outer side of the slideway 3, a first spring 8 is arranged between the outer baffle 7 and the protective frame 4, an inner baffle 9 is fixedly arranged on the inner side of the movable sealing plate 5, and a fixing hole 1 is arranged on the inner baffle 9 0, a fixing hole 10 is provided on the movable sealing plate 5, a through opening 11 is provided on the upper side of the movable sealing plate 5, and the through opening 11 is provided on the cover plate 1. The movable sealing plate 5 is opened by means of a protrusion on the upper side of the movable sealing plate 5, and a fixing head 605 on the fixing device is facing the fixing hole 10 on the movable sealing plate 5. Under the action of the second spring 603, the fixing head 605 is extended into the fixing hole 10, thereby fixing the position of the movable sealing plate 5 to maintain the through opening 11 in an open state, so as to facilitate the maintenance of the cables at the lower part of the cover plate 1.

[0020] The fixing device 6 comprises a fixing frame 601, a movable rod 602, a second spring 603, a positioning block 604, a fixing head 605 and a handle 606. The fixing frame 601 is fixedly installed on the upper end of the cover plate 1, and the movable rod 602 is movably installed on the fixing frame 601. The second spring 603 is installed on the movable rod 602. Positioning blocks 604 are fixedly installed at both ends of the movable rod 602. The outer side of the positioning block 604 is provided with a fixing head 605 and a handle 606. The fixing head 605 and the handle 606 are located at both ends of the movable rod 602. When maintenance is required, the movable sealing plate 5 is opened, and the fixing head 605 on the fixing device is opened. The fixed head 605 is facing the fixing hole 10 on the movable sealing plate 5. Under the action of the second spring 603, the fixed head 605 is extended into the fixing hole 10, thereby fixing the position of the movable sealing plate 5 to maintain the opening 11 in an open state, so as to facilitate the maintenance of the cables under the cover plate 1. After the maintenance is completed, the handle 606 is pulled, and the fixed head 605 is pulled by the movable rod 602 to release the positioning state of the fixed head 605 and the fixing hole 10, so that under the action of the first spring 8, the movable sealing plate 5 is automatically in a closed state, thereby protecting the internal cables of the circuit bridge.

[0021] The cover plate 1, the slide 3 and the protection frame 4 are all integrated structures, the movable sealing plate 5 and the slide 3 are movably connected, two movable sealing plates 5 are symmetrically arranged inside the slide 3, and the movable sealing plates 5 can be pulled to both sides.

[0022] A support plate 12 is provided at the bottom of the U-shaped bridge 2, and a movable groove 13 is symmetrically provided in the support plate 12. A limiting rod 14 is provided inside the movable groove 13. A movable ring 15 is sleeved on the limiting rod 14, and a protective isolation plate 16 is connected to the top of the movable ring 15. A fixed spring is sleeved on the limiting rod 14 and arranged between the inner wall side of the movable groove 13 and the side of the movable ring 15. The cable is placed between the protective isolation plates 16 at the bottom of the U-shaped bridge 2, and the movement of the protective isolation plates 16 is controlled by the elastic force of the fixed spring itself, thereby clamping the cable placed between the protective isolation plates 16.

[0023] A plurality of partition plates 17 are also provided at the upper end of the support plate 12. A ventilation hole 18 is penetrated through the middle of the support plate 12. The partition plates 17 and the ventilation holes 18 are arranged at intervals. The heat generated inside the U-shaped bridge frame 2 flows out to the outside through the ventilation holes 18, thereby reducing the internal temperature and enhancing the heat dissipation capacity.

[0024] Working principle: First, place the cable between the bottom protective isolation plates 16 of the U-shaped bridge 2, use the elastic force of the fixing spring to control the movement of the protective isolation plates 16, and then clamp the cables placed between the protective isolation plates 16, install the cover plate 1, and when maintenance is required, open the movable sealing plate 5, and the fixing head 605 on the fixing device is facing the fixing hole 10 on the movable sealing plate 5. Under the action of the second spring 603, the fixing head 605 is extended into the fixing hole 10, thereby fixing the position of the movable sealing plate 5 to maintain the opening 11 in an open state, so as to facilitate the maintenance of the cable under the cover plate 1. After the maintenance is completed, pull the handle 606, and pull the fixing head 605 through the movable rod 602 to release the positioning state of the fixing head 605 and the fixing hole 10, so that under the action of the first spring 8, the movable sealing plate 5 is automatically in a closed state, thereby protecting the internal cables of the circuit bridge.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cable tray protection structure, comprising a cover plate (1) and a U-shaped cable tray (2), characterized in that: A slideway (3) is arranged on the inner side of the cover plate (1), a protective frame (4) is fixed on the upper side of the slideway (3), a movable sealing plate (5) is connected to the inner side of the slideway (3), a fixing device (6) is installed on the upper end of the cover plate (1), an outer baffle plate (7) is fixedly arranged on the outer end of the movable sealing plate (5), the outer baffle plate (7) is located on the outer side of the slideway (3), a first spring (8) is arranged between the outer baffle plate (7) and the protective frame (4), an inner baffle plate (9) is fixedly arranged on the inner side of the movable sealing plate (5), a fixing hole (10) is arranged next to the inner baffle plate (9), the fixing hole (10) is opened on the movable sealing plate (5), a through opening (11) is arranged on the upper side of the movable sealing plate (5), and the through opening (11) is opened on the cover plate (1).

2. A cable tray protection structure according to claim 1, characterized in that: The fixing device (6) comprises a fixing frame (601), a movable rod (602), a second spring (603), a positioning block (604), a fixing head (605) and a handle (606); the fixing frame (601) is fixedly mounted on the upper end of the cover plate (1); the movable rod (602) is movably mounted on the fixing frame (601); the second spring (603) is mounted on the movable rod (602); positioning blocks (604) are fixedly mounted at both ends of the movable rod (602); a fixing head (605) and a handle (606) are arranged on the outer side of the positioning block (604); and the fixing head (605) and the handle (606) are located at both ends of the movable rod (602).

3. A cable tray protection structure according to claim 1, characterized in that: The cover plate (1), the slideway (3) and the protective frame (4) are all integrated structures, the movable sealing plate (5) and the slideway (3) are movably connected, and two movable sealing plates (5) are symmetrically arranged inside the slideway (3).

4. The protective structure of a cable tray according to claim 1, characterized in that: A support plate (12) is provided at the bottom of the U-shaped bridge (2), a movable groove (13) is symmetrically provided in the support plate (12), a limit rod (14) is provided inside the movable groove (13), a movable ring (15) is sleeved on the limit rod (14), a protective isolation plate (16) is connected to the top of the movable ring (15), and a fixed spring is sleeved on the limit rod (14) and arranged between the inner wall side of the movable groove (13) and the side of the movable ring (15).

5. A cable tray protection structure according to claim 4, characterized in that: A plurality of partition plates (17) are also arranged at the upper end of the support plate (12), a ventilation hole (18) is provided through the middle of the support plate (12), and the partition plates (17) are arranged at intervals from the ventilation hole (18).

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