Cable bridge cover plate fixing structure and cable bridge

Abstract

The utility model discloses a cable bridge cover plate fixing structure and a cable bridge, and particularly relates to the technical field of power construction equipment, the cable bridge cover plate fixing structure comprises an upper pressing plate, a sealing plug, a bolt, a first nut and a lower pressing plate, the upper pressing plate is used for being fixedly connected with the side wall of a cover plate, and the lower pressing plate is used for being fixedly connected with the side wall of a bridge body; an upper through hole is formed in the upper pressing plate, a lower through hole is formed in the lower pressing plate, when the cover plate is installed on the bridge body, the upper pressing plate can be attached to the lower pressing plate, the axis of the upper through hole and the axis of the lower through hole are collinear, and the bolt can penetrate through the upper through hole and the lower through hole to be in threaded connection with the first nut, so that the upper pressing plate and the lower pressing plate are fixedly connected. And a sealing plug is sleeved outside a rod body, protruding out of the first nut, of the bolt. According to the utility model, the fixing mode is simple and convenient, the stability of the cover plate and the bridge body can be enhanced, and the cover plate is not easy to loosen or fall off and is convenient to disassemble and assemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to power construction equipment technical field especially, and it is a kind of cable bridge cover plate fixing structure and cable bridge. BACKGROUND

[0002] Cable bridge is a kind of structural device for supporting and protecting cable, and the structure of cable bridge is divided into groove type, tray type and ladder type etc.The installation mode of the cover plate of cable bridge needs to be matched with the bridge body.For groove type cable bridge, the bridge cover plate is usually fixed on the side plate of bridge body by buckle, slot or screw etc.The bridge cover plate of tray type and ladder type bridge is hung on the bridge body by the way of hook.But the existing fixing mode is complex, unstable, easy to deform and fall off, and the cover plate is easy to deform and rust after long time use, leading to difficult disassembly. SUMMARY

[0003] The utility model aims at providing a kind of cable bridge cover plate fixing structure and cable bridge to solve the problems existing in the prior art, and the fixing mode is simple, the stability of cover plate and bridge body can be enhanced, cover plate is not easy to loosen or fall off, and disassembly is convenient.

[0004] To achieve the above object, the utility model provides the following scheme:

[0005] The utility model provides a kind of cable bridge cover plate fixing structure, comprising: upper pressing plate, sealing plug, bolt, first nut and lower pressing plate, the upper pressing plate is used to be fixedly connected with the side wall of cover plate, the lower pressing plate is used to be fixedly connected with the side wall of bridge body, upper through-hole is set up on the upper pressing plate, lower through-hole is set up on the lower pressing plate, when cover plate is installed on bridge body, the upper pressing plate can be attached with the lower pressing plate, and the axis of the upper through-hole is collinear with the axis of the lower through-hole, the bolt can be passed through the upper through-hole and the lower through-hole and be threadedly connected with the first nut, so that the upper pressing plate is fixedly connected with the lower pressing plate, the rod body of the bolt protruding from the first nut is equipped with the sealing plug.

[0006] Preferably, it further includes second nut, the second nut is threadedly connected with the bolt, and the second nut is in abutment with the head of the bolt.

[0007] Preferably, the shape of the upper pressing plate is L-shaped, the vertical plate of the upper pressing plate is fixedly connected with the side wall of cover plate, the horizontal plate of the upper pressing plate is perpendicular to the side wall of cover plate, the bottom surface of the horizontal plate of the upper pressing plate is flush with the bottom surface of the side wall of cover plate, or the bottom surface of the horizontal plate of the upper pressing plate protrudes from the bottom surface of the side wall of cover plate.

[0008] Preferably, the lower pressing plate is L-shaped, the vertical plate of the lower pressing plate is fixedly connected with the side wall of the bridge body, the horizontal plate of the lower pressing plate is perpendicular to the side wall of the bridge body, and the horizontal plate of the lower pressing plate is located above the vertical plate of the lower pressing plate; when the cover plate is installed on the bridge body, the horizontal plate of the upper pressing plate can be attached to the horizontal plate of the lower pressing plate.

[0009] Preferably, the sealing plug is a cylindrical elastic plug or a circular truncated cone elastic plug, the cylindrical elastic plug has an opening at one end and a closed bottom surface at the other end, and the inner side wall of the cylindrical elastic plug can be attached to the outer side wall of the bolt; the large end surface of the circular truncated cone elastic plug can be attached to the first nut, and the inner side wall of the circular truncated cone elastic plug can be attached to the outer side wall of the bolt.

[0010] Preferably, the contact part of the sealing plug and the bolt is lubricated by an internal lubricant.

[0011] Preferably, the lubricant is lithium-based lubricating grease.

[0012] Preferably, the sealing plug is made of PVC.

[0013] The utility model also provides a cable bridge, including cover plate, bridge body and a plurality of cable bridge cover plate fixed structure of the electric cable, a plurality of upper pressing plate even and symmetry set up on the both side walls of cover plate, a plurality of lower pressing plate even and symmetry set up on the both side walls of bridge body.

[0014] Preferably, the upper pressing plate is welded to the cover plate, and the lower pressing plate is welded to the bridge body.

[0015] Compared with the prior art, the utility model has the following technical effects:

[0016] The utility model provides a cable bridge cover plate fixed structure and cable bridge, and the upper pressing plate is fixed on the cover plate, and the lower pressing plate is fixed on the bridge body. When the cable on the bridge body finishes work, the cover plate is covered on the bridge body according to the conventional operation, the upper through hole of the upper pressing plate is aligned with the lower through hole of the lower pressing plate, the bolt is screwed with the first nut through the upper through hole and the lower through hole, the cover plate can be fixed on the bridge body quickly and stably, the sliding of the cover plate is avoided, and the safety of the staff when overhauling or replacing the cable on the cable bridge is guaranteed. The upper pressing plate and the lower pressing plate are fixed, which indirectly fixes the cover plate and the bridge body, can disperse the stress when the cover plate and the bridge body are fixedly connected, reduces the deformation rate of the cover plate, facilitates dismounting and installation, the sealing plug is arranged on the rod body of the first nut protruding from the bolt, which can prevent the exposed screw rod from rusting due to long-term exposure to the external environment, makes the cover plate and the bridge body difficult to disassemble and assemble, and improves the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Fig. 1 It is an exploded view of the cable bridge;

[0019] Fig. 2 It is a schematic view before installation of the cable bridge;

[0020] Fig. 3 It is a schematic view of the cable bridge after installation.

[0021] In the figure: 1 - cover plate; 2 - bridge body; 3 - upper pressing plate; 4 - lower pressing plate; 5 - upper through hole; 6 - lower through hole; 7 - bolt; 8 - first nut; 9 - sealing plug; 10 - second nut. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments only constitute some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] The purpose of the present application is to provide a cable bridge cover plate fixing structure and a cable bridge, so as to solve the problems in the prior art, and the fixing method is simple, the stability of the cover plate and the bridge body can be enhanced, the cover plate is not easy to loosen or fall off, and the cover plate is convenient to disassemble and assemble.

[0024] In order to make the above-mentioned purposes, characteristics and advantages of the present application more obvious and easy to understand, the present application will be further described in detail in combination with the drawings and specific embodiments.

[0025] Embodiment 1

[0026] The present embodiment provides a cable bridge cover plate 1 fixing structure, which comprises a cover plate 1 and a bridge body 2. Figs. 1-3As shown, the cable bridge cover plate 1 fixing structure comprises: an upper pressing plate 3, a sealing plug 9, a bolt 7, a first nut 8 and a lower pressing plate 4, the upper pressing plate 3 is used for fixedly connecting with the side wall of the cover plate 1, the lower pressing plate 4 is used for fixedly connecting with the side wall of the bridge body 2, the upper pressing plate 3 is provided with an upper through hole 5, the lower pressing plate 4 is provided with a lower through hole 6, when the cover plate 1 is installed on the bridge body 2, the upper pressing plate 3 can be attached to the lower pressing plate 4, and the axis of the upper through hole 5 is collinear with the axis of the lower through hole 6, the bolt 7 can pass through the upper through hole 5 and the lower through hole 6 and be threadedly connected with the first nut 8, so that the upper pressing plate 3 is fixedly connected with the lower pressing plate 4, and the bolt 7 is provided with the sealing plug 9 outside the rod body of the first nut 8. The upper pressing plate 3 is fixed on the cover plate 1, the lower pressing plate 4 is fixed on the bridge body 2, when the cable on the bridge body 2 is placed and the work is finished, the cover plate 1 is covered on the bridge body 2 according to the conventional operation, the upper through hole 5 of the upper pressing plate 3 is aligned with the lower through hole 6 of the lower pressing plate 4, the bolt 7 passes through the upper through hole 5 and the lower through hole 6 and is threadedly connected with the first nut 8, so that the cover plate 1 can be quickly and stably fixed on the bridge body 2, the sliding of the cover plate 1 is avoided, and the safety of the worker when the cable on the cable bridge is overhauled or replaced is ensured; and through the fixation of the upper pressing plate 3 and the lower pressing plate 4, the cover plate 1 and the bridge body 2 are indirectly fixed, the stress when the cover plate 1 and the bridge body 2 are fixedly connected can be dispersed, the deformation rate of the cover plate 1 is reduced, and the cover plate 1 is convenient to disassemble and assemble; the bolt 7 is provided with the sealing plug 9 outside the rod body of the first nut 8, so that the exposed bolt is prevented from being oxidized and rusted due to long-time exposure to the external environment, the cover plate 1 and the bridge body 2 are prevented from being difficult to disassemble and assemble, and the work efficiency is improved.

[0027] It is further preferred in the embodiment of the present embodiment that the cable bridge cover plate 1 fixing structure further comprises a second nut 10, the second nut 10 is threadedly connected with the bolt 7, and the second nut 10 abuts against the head of the bolt 7. When the cables in the bridge body 2 are more, the cover plate 1 is covered, the upper pressing plate 3 cannot be attached to the lower pressing plate 4, through the cooperation of the first nut 8 and the second nut 10, the cover plate 1 can be stably fixed on the bridge body 2 for a long time, is not easy to be loosened or fallen off, and the stability and safety of the cable bridge are improved.

[0028] Further preferably in the embodiment of the present embodiment, the upper pressing plate 3 is L-shaped, the vertical plate of the upper pressing plate 3 is fixedly connected with the side wall of the cover plate 1, the horizontal plate of the upper pressing plate 3 is perpendicular to the side wall of the cover plate 1, the bottom surface of the horizontal plate of the upper pressing plate 3 is flush with the bottom surface of the side wall of the cover plate 1, or the bottom surface of the horizontal plate of the upper pressing plate 3 protrudes from the bottom surface of the side wall of the cover plate 1, the lower pressing plate 4 is L-shaped, the vertical plate of the lower pressing plate 4 is fixedly connected with the side wall of the bridge body 2, the horizontal plate of the lower pressing plate 4 is perpendicular to the side wall of the bridge body 2, the horizontal plate of the lower pressing plate 4 is above the vertical plate of the lower pressing plate 4, and the horizontal plate of the upper pressing plate 3 can be attached to the horizontal plate of the lower pressing plate 4 when the cover plate 1 is installed on the bridge body 2. When the L-shaped upper pressing plate 3 and the L-shaped lower pressing plate 4 are connected with the cover plate 1 and the bridge body 2 respectively, the stability is better.

[0029] Further preferably in the embodiment of the present embodiment, the sealing plug 9 is a cylindrical elastic plug or a circular truncated cone elastic plug, the cylindrical elastic plug has an opening at one end and a closed bottom surface at the other end, the inner side wall of the cylindrical elastic plug can be attached to the outer side wall of the bolt 7, the large end surface of the circular truncated cone elastic plug can be attached to the first nut 8, and the inner side wall of the circular truncated cone elastic plug can be attached to the outer side wall of the bolt 7. The elastic plug has better sealing performance.

[0030] Further preferably in the embodiment of the present embodiment, the contact part of the sealing plug 9 with the bolt 7 is lubricated by an internal lubricant, and the lubricant is lithium-based lubricating grease. Adding lithium-based lubricating grease into the sealing plug 9 and screwing it into the exposed screw rod can seal the screw rod, prevent the screw rod from rusting, and ensure that the cover plate 1 can be easily disassembled after a long time.

[0031] Further preferably in the embodiment of the present embodiment, the material of the sealing plug 9 is PVC.

[0032] Embodiment 2

[0033] The present embodiment provides a cable bridge, which comprises a cover plate 1, a bridge body 2, and a plurality of cable bridge cover plate 1 fixing structures of embodiment 1, a plurality of upper pressing plates 3 are uniformly and symmetrically arranged on the two side walls of the cover plate 1, and a plurality of lower pressing plates 4 are uniformly and symmetrically arranged on the two side walls of the bridge body 2. The upper pressing plate 3 and the lower pressing plate 4 are not only fixing components for stabilizing the cover plate 1 and the bridge body 2, but also positioning devices for the cover plate 1 and the bridge body 2, and are key components for judging whether the cover plate 1 is installed in place. When the upper through hole 5 of the upper pressing plate 3 is aligned with the lower through hole 6 of the corresponding lower pressing plate 4, it indicates that the cover plate 1 is accurately installed on the bridge body 2.

[0034] Further preferably in the implementation of the embodiment, the upper pressing plate 3 is welded and fixed with the cover plate 1, and the lower pressing plate 4 is welded and fixed with the bridge body 2. Before the cable bridge leaves the factory, the upper pressing plate 3 and the lower pressing plate 4 are welded on the cover plate 1 and the bridge body 2 respectively, facilitating subsequent connection. Through the fixing mode of the upper pressing plate 3 and the lower pressing plate 4, the cover plate 1 of the cable bridge can be easily fixed, and the work efficiency is improved.

[0035] The principle and implementation mode of the utility model are described by applying specific examples in the utility model, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, the specific implementation mode and application range will be changed according to the idea of the utility model. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A cable tray cover fixing structure, characterized in that: include: The cable tray comprises an upper pressure plate, a sealing plug, a bolt, a first nut, and a lower pressure plate. The upper pressure plate is used to fix the cover plate to the side wall, and the lower pressure plate is used to fix the cable tray body to the side wall. The upper pressure plate has an upper through hole, and the lower pressure plate has a lower through hole. When the cover plate is installed on the cable tray body, the upper pressure plate can fit against the lower pressure plate, and the axis of the upper through hole is collinear with the axis of the lower through hole. The bolt can pass through the upper through hole and the lower through hole and be threaded to the first nut, so that the upper pressure plate and the lower pressure plate are fixedly connected. The sealing plug is sleeved on the bolt protruding from the shank of the first nut.

2. The cable tray cover fixing structure according to claim 1, characterized in that: It also includes a second nut, which is threaded to the bolt and abuts against the head of the bolt.

3. The cable tray cover fixing structure according to claim 1, characterized in that: The upper pressure plate is L-shaped. The vertical plate of the upper pressure plate is fixedly connected to the side wall of the cover plate. The horizontal plate of the upper pressure plate is perpendicular to the side wall of the cover plate. The bottom surface of the horizontal plate of the upper pressure plate is flush with the bottom surface of the side wall of the cover plate, or the bottom surface of the horizontal plate of the upper pressure plate protrudes from the bottom surface of the side wall of the cover plate.

4. The cable tray cover fixing structure according to claim 3, characterized in that: The lower pressure plate is L-shaped. The vertical plate of the lower pressure plate is fixedly connected to the side wall of the cable tray body. The horizontal plate of the lower pressure plate is perpendicular to the side wall of the cable tray body. The horizontal plate of the lower pressure plate is located above the vertical plate of the lower pressure plate. When the cover plate is installed on the cable tray body, the horizontal plate of the upper pressure plate can fit against the horizontal plate of the lower pressure plate.

5. The cable tray cover fixing structure according to claim 1, characterized in that: The sealing plug is a cylindrical elastic plug or a frustum-shaped elastic plug. The cylindrical elastic plug has an opening at one end and a closed bottom surface at the other end. The inner wall of the cylindrical elastic plug can fit against the outer wall of the bolt. The large end face of the frustum-shaped elastic plug can fit against the first nut. The inner wall of the frustum-shaped elastic plug can fit against the outer wall of the bolt.

6. The cable tray cover fixing structure according to claim 1, characterized in that: The sealing plug has a built-in lubricant for lubrication at the contact portion with the bolt.

7. The cable tray cover fixing structure according to claim 6, characterized in that: The lubricant is a lithium-based grease.

8. The cable tray cover fixing structure according to claim 5, characterized in that: The sealing plug is made of PVC.

9. A cable tray, characterized in that: The cable tray includes a cover plate, a cable tray body, and multiple cable tray cover plate fixing structures as described in any one of claims 1-8, wherein multiple upper pressure plates are evenly and symmetrically arranged on two side walls of the cover plate, and multiple lower pressure plates are evenly and symmetrically arranged on two side walls of the cable tray body.

10. The cable tray according to claim 9, characterized in that: The upper pressure plate is welded and fixed to the cover plate, and the lower pressure plate is welded and fixed to the cable tray body.

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