CN218958454U

CN218958454U - Bending bridge for nuclear power

Info

Publication number: CN218958454U
Application number: CN202223165979.7U
Authority: CN
Inventors: 杨刚; 顾大飞; 冯钰凯; 黄炜
Original assignee: Jiangsu Haiwei Electric Co ltd
Current assignee: Jiangsu Haiwei Electric Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-02
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a bent bridge for nuclear power, which comprises a three-way bridge, wherein a three-way cover plate is arranged at the top of the three-way bridge, a plurality of sliding plates are fixedly connected to the inner surface of the three-way bridge, limiting rods are connected to the two sides of the top of the sliding plates in a sliding manner, threaded sleeves are arranged on one opposite sides of the two limiting rods in a penetrating manner, a bidirectional threaded rod is connected between the inner surfaces of the two threaded sleeves in a threaded manner, a rotating block is fixedly connected to the outer surface of the bidirectional threaded rod, the sliding plates are arranged in the three-way bridge, and two limiting rods capable of moving oppositely are arranged on the sliding plates.

Description

Bending bridge for nuclear power

Technical Field

The utility model relates to the technical field of a bending bridge, in particular to a nuclear power bending bridge.

Background

The cable bridge is a rigid structure for cable laying, and generally consists of a straight-through part, a reducing part, a bending part, a tee joint part, a four-way part, a sealing head and the like. The vertical upward bending bridge is a bridge element for connecting the vertical bridge and the horizontal bridge, the technical parameters and the service performance requirements of power transmission and distribution products in the nuclear power industry are more strict than those of common civil products, and the requirements of the bridge products for paving and supporting power transmission and distribution lines can be adapted to various severe environments such as rainwater, strong acid and alkali and the like and the anti-seismic requirements are higher.

The Chinese patent discloses a bending bridge (publication No. CN 206018012U) for nuclear power, which increases the strength of a tee joint bridge and a four-way bridge by additionally arranging reinforcing ribs at the bottoms of the tee joint bridge and the four-way bridge, so that the load capacity and the strength of the tee joint bridge and the four-way bridge can adapt to the strength requirements of the nuclear power to a cable bridge, the reinforcing ribs adopt conventional channel steel and other sectional materials, but the equipment only increases the strength to the bottom of the bridge, when vibration occurs, the internal wire can vibrate, the wire quality of the cable is heavier, and therefore, the cable can be damaged when the cable is impacted and rocked.

Disclosure of Invention

The utility model aims to provide a nuclear power elbow bridge, which is characterized in that a sliding plate is arranged in a three-way bridge, two limiting rods capable of moving in opposite directions are arranged on the sliding plate, and cables can be clamped when being positioned on two sides of the limiting rods, so that the shock resistance of the cable can be improved.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a curved bridge for nuclear power, includes the tee bend crane span structure, the top of tee bend crane span structure is provided with the tee bend apron, the internal surface fixedly connected with a plurality of sliding plate of tee bend crane span structure, the equal sliding connection in both sides at sliding plate top has the gag lever post, two the opposite one side of gag lever post is all run through and is provided with the thread bush, two threaded connection has two-way threaded rod between the internal surface of thread bush, the surface fixedly connected with turning block of two-way threaded rod.

As a further scheme of the utility model: the periphery of the three-way cover plate is fixedly connected with a plurality of side position plates for limiting.

As a further scheme of the utility model: the three-way bridge is characterized in that bending plates are fixedly connected to two sides of the three-way bridge, and triangular plates are fixedly connected to the inner surfaces of the bending plates.

As a further scheme of the utility model: the top of sliding plate has seted up the sliding tray, the internal surface sliding connection of sliding tray has the sliding block that is connected with the gag lever post.

As a further scheme of the utility model: the bottom fixedly connected with screw thread piece of gag lever post, the screw hole has been seted up at the top of sliding block, the surface and the internal surface threaded connection of screw hole of screw thread piece.

As a further scheme of the utility model: the cross section of the limiting rod is L-shaped.

The utility model has the beneficial effects that: through setting up the sliding plate in the inside of tee bend crane span structure to set up two gag lever posts that can move in opposite directions on the sliding plate, can press from both sides tight the cable when the cable is located the both sides of gag lever post, thereby can improve its shock resistance, and utilize the mode of two-way threaded rod not only the structure is comparatively simple, and the operation is comparatively convenient, screw hole on cooperation thread piece and sliding block is convenient for install and dismantle it, further improves its practicality.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall external structure of the present utility model;

FIG. 2 is a side view of the exterior structure of the tee bridge of the present utility model;

fig. 3 is a schematic view of the internal structure of the sliding plate in the present utility model.

In the figure: 1. three-way bridge frame; 2. a three-way cover plate; 3. a sliding plate; 4. a limit rod; 5. a thread sleeve; 6. a two-way threaded rod; 7. a rotating block; 8. a sliding groove; 9. a screw block; 10. a sliding block; 11. a threaded hole; 12. a side plate; 13. a bending plate; 14. triangle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model discloses a bending bridge for nuclear power, which comprises a three-way bridge 1, wherein a three-way cover plate 2 is arranged at the top of the three-way bridge 1, a plurality of sliding plates 3 are fixedly connected to the inner surface of the three-way bridge 1, limit rods 4 are slidably connected to two sides of the top of the sliding plates 3, threaded sleeves 5 are arranged on opposite sides of the two limit rods 4 in a penetrating manner, a bidirectional threaded rod 6 is connected between the inner surfaces of the two threaded sleeves 5 in a threaded manner, and a rotating block 7 is fixedly connected to the outer surface of the bidirectional threaded rod 6.

The periphery of the three-way cover plate 2 is fixedly connected with a plurality of side position plates 12 used for limiting, and the side position plates 12 can prevent the three-way cover plate 2 from sliding back and forth on the three-way bridge frame 1.

The two sides of the three-way bridge 1 are fixedly connected with bending plates 13, the inner surfaces of the bending plates 13 are fixedly connected with triangular plates 14, and the corners are supported through the triangular plates 14, so that the hardness of the three-way bridge is improved.

The sliding tray 8 has been seted up at the top of sliding tray 3, the internal surface sliding connection of sliding tray 8 has the sliding block 10 that is connected with gag lever post 4, the bottom fixedly connected with screw thread piece 9 of gag lever post 4, screw hole 11 has been seted up at the top of sliding block 10, the surface and the internal surface threaded connection of screw hole 11 of screw thread piece 9, the cross-section of gag lever post 4 is L shape setting, and the gag lever post 4 of L shape can be spacing to the top of cable, avoids the cable to extrude from the top.

The working principle of the utility model is as follows: firstly, a cable wire is placed in a tee cover plate 2, a bidirectional threaded rod 6 is screwed into a threaded sleeve 5 on one side until a rotating block 7 is in contact with one side of a limiting rod 4, a threaded block 9 at the bottom end of the limiting rod 4 is inserted into a threaded hole 11 on a sliding block 10 to rotate, so that the limiting rod 4 is fixed, at the moment, the limiting rod 4 is rotated into the threaded hole 11 of the other sliding block 10, then the limiting rod 4 is pushed to rotate towards one side close to the bidirectional threaded rod 6, then the rotating block 7 is reversely rotated, so that the bidirectional threaded rod 6 is inserted into the other side, is placed on one side of the limiting rod 4 or between the two limiting rods 4 according to the trend of the wire and is positioned on a sliding plate 3, at the moment, the bidirectional threaded rod 6 is driven to rotate by the rotating block 7, the two limiting rods 4 move towards one side far away relatively by utilizing the threaded connection relation between the threaded sleeve 5 and the bidirectional threaded rod 6, and at the same time, the sliding block 10 slides on the inner surface of a sliding groove 8, so that a cable positioned on one side of the limiting rod 4 is clamped, and the shock resistance is improved.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The utility model provides a curved bridge for nuclear power, includes tee bend crane span structure (1), tee bend crane span structure (1) top is provided with tee bend apron (2), a serial communication port, tee bend crane span structure (1)'s internal surface fixedly connected with a plurality of sliding plate (3), the equal sliding connection in both sides at sliding plate (3) top has gag lever post (4), two one side that gag lever post (4) are relative all runs through and is provided with thread bush (5), two threaded connection has two-way threaded rod (6) between the internal surface of thread bush (5), the surface fixedly connected with turning block (7) of two-way threaded rod (6).

2. The nuclear power elbow bridge according to claim 1, wherein the peripheral surface of the three-way cover plate (2) is fixedly connected with a plurality of side plates (12) for limiting.

3. The bending bridge for nuclear power according to claim 1, wherein bending plates (13) are fixedly connected to two sides of the three-way bridge (1), and triangular plates (14) are fixedly connected to the inner surfaces of the bending plates (13).

4. The nuclear power elbow bridge according to claim 1, wherein the top of the sliding plate (3) is provided with a sliding groove (8), and the inner surface of the sliding groove (8) is slidably connected with a sliding block (10) connected with the limiting rod (4).

5. The nuclear power elbow bridge according to claim 4, wherein the bottom end of the limiting rod (4) is fixedly connected with a threaded block (9), a threaded hole (11) is formed in the top of the sliding block (10), and the outer surface of the threaded block (9) is in threaded connection with the inner surface of the threaded hole (11).

6. The nuclear power elbow bridge according to claim 1, wherein the cross section of the limiting rod (4) is L-shaped.