Nuclear power bridge sliding fit structure

Abstract

The utility model discloses a nuclear power bridge sliding fit structure which comprises a cable bridge frame, a cover plate is arranged on the top of the cable bridge frame, and the nuclear power bridge sliding fit structure further comprises a sliding fit structure body which is arranged at the top ends of the two side walls of the cable bridge frame and the bottoms of the two ends of the cover plate. And the fixing structure is arranged at one end of the top of one side wall of the cable bridge frame. When the cover plate and the cable bridge frame are installed, the cover plate is installed at the top end of the cable bridge frame, the rack is made to be meshed with the gear, the pulling plate is pulled to enable the clamping block to be separated from the cable bridge frame, the pulling plate is rotated to enable the gear to rotate, drive the cover plate to slide and enable the cover plate to completely cover the top of the cable bridge frame, and after installation, the clamping block is clamped with the side wall of the cable bridge frame. The gear is fixed, a large number of bolts do not need to be installed, the cover plate does not need to be manually slid either, and time and labor are saved; when the cable is overhauled, the pulling plate is rotated reversely to enable the gear to rotate, so that the cover plate is moved and opened, and a large number of bolts do not need to be disassembled.

Description

Technical Field

[0001] This application relates to the sliding assembly structure of nuclear power cable trays. Background Technology

[0002] Nuclear power cable trays are metal structures used to support and protect cables, primarily in nuclear power plants. They typically consist of steel cable trays and cable ducts; the steel trays support the cable ducts and cables, while the cable ducts protect the cables. The main function of nuclear power cable trays is to provide support and protection for cables, while simultaneously enabling power transmission and control signal transmission.

[0003] Existing nuclear power cable trays are installed by using fixing holes on the inner wall of the cover plate and pre-drilled locking holes on the upper side of the cable tray base. Bolts are then passed through the fixing holes on the cover plate and the fixing holes on the cable tray base, so that the cable tray base and the cover plate are bolted against the bottom groove. This installation method requires the removal of a large number of bolts whenever it is necessary to inspect or observe the cables in the groove, which increases the labor intensity of the staff and reduces work efficiency.

[0004] Therefore, we hope to provide a sliding contact structure for nuclear power cable trays. Utility Model Content

[0005] This embodiment provides a sliding contact structure for nuclear power cable trays, which solves the problem that when it is necessary to inspect or observe the cables in the trays, a large number of bolts need to be removed, which increases the labor intensity of the staff and reduces the work efficiency.

[0006] According to one aspect of this application, a sliding connection structure for nuclear power cable trays is provided, including a cable tray frame, a cover plate being disposed on the top of the cable tray frame, and the sliding connection structure for nuclear power cable trays further includes:

[0007] A sliding assembly structure is provided at the top of both side walls of the cable tray frame and at the bottom of both ends of the cover plate;

[0008] A fixing structure is provided at one end of the top side wall of the cable tray frame.

[0009] Furthermore, the cable tray frame is U-shaped, and multiple sets of heat dissipation holes are provided on both side walls of the cable tray frame.

[0010] Furthermore, the sliding assembly structure includes a rack, a mounting groove, and a gear. The rack is symmetrically fixed at both ends of the bottom of the cover plate, and the top of the two side walls of the cable tray frame corresponding to the rack is provided with a mounting groove.

[0011] Furthermore, a gear is provided at one end of each mounting groove, and both ends of the gear are rotatably connected to the side wall of the mounting groove. The gear meshes with the corresponding rack.

[0012] Furthermore, a retaining plate is fixed to the bottom of the cover plate on both sides of the rack, and a stop plate is fixed to the side wall of the cable tray frame corresponding to the retaining plate.

[0013] Furthermore, the fixing structure includes a rotating shaft, a fixing plate, a limiting rod, a spring, a mounting plate, a locking block, a connecting rod, and a pull plate, wherein the rotating shaft corresponds to a gear on one side wall of the cable tray frame.

[0014] Furthermore, one end of the rotating shaft is installed inside the side wall of the cable tray frame, and the end of the rotating shaft inside the side wall of the cable tray frame is fixed to the corresponding gear end, and the rotating shaft is rotatably connected to the cable tray frame.

[0015] Furthermore, a fixing plate is fixed to the end of the rotating shaft away from the gear, and a limit rod and a spring are fixed to the side wall of the fixing plate on both sides of the rotating shaft. The spring is sleeved on the outside of the limit rod, and the other end of the limit rod and the spring is fixed to the mounting plate.

[0016] Furthermore, the mounting plate is sleeved on the outside of the rotating shaft, and the two sides of the mounting plate away from the limiting rod are fixed with locking blocks, which engage with the side wall of the cable tray frame.

[0017] Furthermore, a connecting rod is fixed on the side wall of the mounting plate away from the rotating shaft of the limiting rod, and the other end of the connecting rod passes through the fixing plate and is fixed to the pull plate. The connecting rod is slidably connected to the fixing plate.

[0018] The advantages of this application are:

[0019] 1. By setting sliding fitting structures at the top of both side walls of the cable tray frame and at the bottom of both ends of the cover plate, and setting a fixing structure at the end of one side wall of the cable tray frame corresponding to the sliding fitting structure, the fixing structure is connected to the sliding fitting structure. When installing the cover plate and the cable tray frame, the racks at the bottom of both ends of the cover plate are installed in the mounting grooves on the side wall of the cable tray frame, and the racks are engaged with the gears in the mounting grooves at the top of the side wall of the cable tray frame. Pulling the pull plate separates the locking block from the cable tray frame, and rotating the pull plate causes the gears to rotate, thereby driving the cover plate to slide and cover the top of the cable tray frame. After installation, the locking block engages with the side wall of the cable tray frame to fix the gears. This method does not require the installation of a large number of bolts or manual sliding of the cover plate, making installation convenient, time-saving and labor-saving.

[0020] 2. By using a sliding and fixed structure, during cable maintenance, pulling the pull plate separates the clamp from the cable tray frame, and rotating the pull plate causes the gear to rotate, thereby moving the cover plate and opening it. This eliminates the need to disassemble a large number of bolts, reducing the labor intensity of workers and improving work efficiency. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the overall structure of one embodiment of this application;

[0023] Figure 2 This is a front view structural diagram of one embodiment of this application;

[0024] Figure 3 This is one embodiment of the present application. Figure 2 A magnified structural diagram at point A;

[0025] Figure 4 This is one embodiment of the present application. Figure 2 A magnified structural diagram at point B;

[0026] Figure 5 This is a side view structural diagram of one embodiment of this application.

[0027] In the diagram: 1. Cable tray frame; 2. Heat dissipation hole; 3. Cover plate; 4. Clamping plate; 5. Support plate; 6. Sliding assembly structure; 601. Rack; 602. Mounting groove; 603. Gear; 7. Fixing structure; 701. Shaft; 702. Fixing plate; 703. Limiting rod; 704. Spring; 705. Mounting plate; 706. Clamping block; 707. Connecting rod; 708. Pull plate. Detailed Implementation

[0028] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present application.

[0029] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0030] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0031] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0032] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0033] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0034] Please see Figure 1-5 As shown, the nuclear power cable tray sliding assembly structure includes a cable tray frame 1, with a cover plate 3 on the top of the cable tray frame 1. The nuclear power cable tray sliding assembly structure also includes:

[0035] Sliding assembly structure 6 is provided at the top of both side walls of the cable tray frame 1 and at the bottom of both ends of the cover plate 3;

[0036] The fixing structure 7 is located at one end of the top side wall of the cable tray frame 1.

[0037] The cable tray frame 1 is U-shaped, and multiple sets of heat dissipation holes 2 are provided on both sides of the cable tray frame 1.

[0038] The sliding assembly structure 6 includes a rack 601, a mounting groove 602, and a gear 603. The rack 601 is symmetrically fixed at both ends of the bottom of the cover plate 3, and the mounting groove 602 is provided at the top of the two side walls of the cable tray frame 1 corresponding to the rack 601.

[0039] Each of the mounting slots 602 has a gear 603 at one end. The two ends of the gear 603 are rotatably connected to the side wall of the mounting slot 602, and the gear 603 meshes with the corresponding rack 601.

[0040] The bottom of the cover plates 3 on both sides of the rack 601 is fixed with a clamping plate 4, and the side wall of the cable tray frame 1 corresponding to the clamping plate 4 is fixed with a stop plate 5.

[0041] The fixing structure 7 includes a rotating shaft 701, a fixing plate 702, a limiting rod 703, a spring 704, a mounting plate 705, a locking block 706, a connecting rod 707, and a pull plate 708. The rotating shaft 701 corresponds to the gear 603 on one side wall of the cable tray frame 1.

[0042] One end of the rotating shaft 701 is installed inside the side wall of the cable tray frame 1. The end of the rotating shaft 701 located inside the side wall of the cable tray frame 1 is fixed to one end of the corresponding gear 603. The rotating shaft 701 is rotatably connected to the cable tray frame 1.

[0043] A fixing plate 702 is fixed to one end of the rotating shaft 701 away from the gear 603. Limiting rods 703 and springs 704 are fixed on the side walls of the fixing plates 702 on both sides of the rotating shaft 701. The springs 704 are sleeved on the outside of the limiting rods 703. The other ends of the limiting rods 703 and springs 704 are fixed to the mounting plate 705. The limiting rods 703 are telescopic and limit the springs 704 to prevent the springs 704 from being overstretched or compressed. The springs 704 have a certain elasticity. After the locking block 706 is engaged with the cable tray frame 1, it will not loosen. It will only separate from the cable tray frame 1 when an external force is applied.

[0044] The mounting plate 705 is sleeved on the outside of the rotating shaft 701. The mounting plate 705 has two locking blocks 706 fixed on its side walls away from the limiting rod 703. The locking blocks 706 engage with the side walls of the cable tray frame 1.

[0045] A connecting rod 707 is fixed on the side wall of the mounting plate 705 on the side of the limiting rod 703 away from the rotating shaft 701. The other end of the connecting rod 707 passes through the fixing plate 702 and is fixed to the pull plate 708. The connecting rod 707 is slidably connected to the fixing plate 702.

[0046] Working principle and usage: First, the nuclear power cable is installed inside the cable tray frame 1. Then, the cover plate 3 is placed on top of the cable tray frame 1, so that the rack 601 is installed in the mounting groove 602 at the top of the side wall of the cable tray frame 1. At this time, the bottom of the clamping plates 4 on both sides of the rack 601 abuts against the abutment plate 5, and the rack 601 meshes with the gear 603 in the mounting groove 602. Pulling the pull plate 708 compresses the spring 704 and the limiting rod 703, causing the clamping block 706 to separate from the cable tray frame 1. Rotating the pull plate 708 causes the gear 603 to rotate, thereby driving the cover plate 3 to slide, so that the cover plate 3 completely covers the cable tray frame. 1. At the top, install the cover plate 3 and the cable tray frame 1. After installation, engage the locking block 706 with the side wall of the cable tray frame 1 to fix the gear 603. No need to install a large number of bolts or manually slide the cover plate 3. The installation is convenient, time-saving and labor-saving. When inspecting the cable, pull the pull plate 708 to separate the locking block 706 from the cable tray frame 1. Rotate the pull plate 708 in the opposite direction to rotate the gear 603, thereby moving the cover plate 3 and opening it. No need to disassemble a large number of bolts, reducing the labor intensity of the workers and improving work efficiency. The heat dissipation holes 2 on the side wall of the cable tray frame 1 can play a heat dissipation role.

[0047] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A nuclear power cable tray slip-fit structure, comprising a cable tray frame (1), the top of the cable tray frame (1) is provided with a cover plate (3), characterized in that, The cable bridge sliding fit structure further comprises: A sliding fit structure (6) is arranged at the top end of the two side walls of the cable bridge frame (1) and the bottom of the two ends of the cover plate (3); A fixing structure (7) is arranged at one end of the top of the side wall of the cable bridge frame (1).

2. The nuclear power plant cable tray slip fit structure of claim 1, wherein: The cable bridge frame (1) is arranged in a U shape, and a plurality of groups of heat dissipation holes (2) are arranged on the two side walls of the cable bridge frame (1).

3. The nuclear power plant cable tray slip fit structure of claim 1, wherein: The sliding fit structure (6) comprises a rack (601), a mounting groove (602) and a gear (603), the rack (601) is symmetrically fixed at the bottom of the two ends of the cover plate (3), and the mounting groove (602) is arranged at the top end of the two side walls of the corresponding cable bridge frame (1).

4. The nuclear power plant cable tray slip fit structure of claim 3, wherein: A gear (603) is arranged at one end of the mounting groove (602), the gear (603) is rotatably connected to the side wall of the mounting groove (602) at both ends, and the gear (603) is meshed with the corresponding rack (601).

5. The nuclear power plant cable tray slip fit structure of claim 3, wherein: A clamping plate (4) is fixed at the bottom of the cover plate (3) on the two sides of the rack (601), and a resisting plate (5) is fixed on the side wall of the corresponding cable bridge frame (1).

6. The nuclear power plant cable tray slip fit structure of claim 1, wherein: The fixing structure (7) comprises a rotating shaft (701), a fixed plate (702), a limiting rod (703), a spring (704), a mounting plate (705), a clamping block (706), a connecting rod (707) and a pull plate (708), and the rotating shaft (701) corresponds to the gear (603) on the side wall of the cable bridge frame (1).

7. The nuclear power plant busway slide fit structure of claim 6, wherein: One end of the rotating shaft (701) is mounted in the side wall of the cable bridge frame (1), one end of the rotating shaft (701) located in the side wall of the cable bridge frame (1) is fixed with the corresponding gear (603), and the rotating shaft (701) is rotatably connected with the cable bridge frame (1).

8. The nuclear power plant cable tray slip fit structure of claim 6, wherein: The other end of the rotating shaft (701) away from the gear (603) is fixed with the fixed plate (702), the limiting rod (703) and the spring (704) are fixed on the side wall of the fixed plate (702) on the two sides of the rotating shaft (701), the spring (704) is sleeved outside the limiting rod (703), and the other end of the limiting rod (703) and the spring (704) is fixed with the mounting plate (705).

9. The nuclear power plant busway slide fit structure of claim 8, wherein: The mounting plate (705) is sleeved outside the rotating shaft (701), the clamping block (706) is fixed on the side wall of the mounting plate (705) away from the limiting rod (703) on both sides, and the clamping block (706) is clamped with the side wall of the cable bridge frame (1).

10. The nuclear power plant busway snap-fit structure of claim 8, wherein: The connecting rod (707) is fixed on the side wall of the mounting plate (705) away from the rotating shaft (701), the other end of the connecting rod (707) penetrates through the fixed plate (702) and is fixed with the pull plate (708), and the connecting rod (707) is slidably connected with one fixed plate (702).

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