CN220291565U - High-speed railway cable duct cover plate buffer device and cable duct - Google Patents

Abstract

The utility model discloses a high-speed railway cable duct cover plate buffer device and a cable duct, and relates to the technical field of railway bridge auxiliary facilities. The utility model can adapt to the cable groove cover plate through the deformation of the buffer component to prevent the cover plate from warping or shaking caused by the unevenness of the top of the cable groove or the unevenness of the bottom of the cover plate, so that the cover plate can be closely attached to the top of the cable groove. The problem that the apron rocked, warp is solved through this scheme to reach the purpose that reduces the potential safety hazard, extension apron life.

Description

High-speed railway cable duct cover plate buffer device and cable duct

Technical Field

The utility model relates to the technical field of railway bridge auxiliary facilities, in particular to the technical field of high-speed railway cable trough cover plate buffering devices and cable troughs.

Background

The high-speed railway is increasingly widely applied in China at present, cable grooves of railway bridge auxiliary facilities are arranged on the left side and the right side of a bridge along the bridge direction, an installation space and a protection effect are provided for communication signal cables and power cables, and cable groove cover plates are paved on the cable grooves. The prior patent discloses the following technology:

patent publication number CN201220332024.3, entitled "a fire-resistant cable tray", discloses the following: fire-resistant cable bridge rack; the fire-resistant cable bridge is simple in structure and excellent in fire resistance; the technical key points are as follows: the fireproof cable bridge comprises a groove-shaped bridge body and a bridge cover plate which is matched with the groove-shaped bridge body, wherein aluminum silicate rock wool layers are arranged on the inner side of the groove-shaped bridge body and the inner side of the bridge cover plate, and a fireproof layer is arranged on the aluminum silicate rock wool layers.

Patent publication number CN2919628Y, entitled "a cable tray cover", discloses the following: a cable groove cover plate is characterized in that two sides of the bottom surface of the cover plate are provided with top surface contact parts for contacting with the top surface of the side wall of the cable groove, two sides of the bottom surface of the cover plate are respectively provided with a reinforcing strip in a downward protruding mode, and the outer side surfaces of the reinforcing strips are the contact surfaces of the side wall of the cable groove. When the cable groove is used, the top surface contact part of the cover plate is attached to the top surface of the side wall of the cable groove, the reinforcing strips on the two sides of the bottom surface of the cover plate extend into the groove of the cable groove, and the side wall contact surface of the cable groove of the reinforcing strips is contacted with the inner surface of the side wall of the cable groove; therefore, when the cable trough and the cable trough cover plate are covered with soil or other external forces act, the cable trough cover plate cannot deviate from the cable trough, so that a good sealing effect is achieved on the cable trough, and the cable is protected; and because the reinforcing strip of the cable trough cover plate is propped against the side wall of the cable trough, the side wall of the cable trough cannot deform relative to the bottom plate of the cable trough, and the cable trough cover plate is firmly combined with the cable trough, so that the service life of the cable trough can be prolonged.

The above-mentioned patent discloses a apron for protecting cable groove, but above-mentioned cable groove apron exists because of the cable groove apron places the cement base level unevenness, and the apron that the apron warp etc. arouses is placed after not firm, and constructor easily rocks when walking above, not only causes the potential safety hazard, seriously influences the life of apron moreover. Meanwhile, the inspection of the driving line is mostly 0:00-4:00 of the railway operation window period, the night sight line is poor, the warping of the individual cover plate is easy to cause the construction staff to walk and catch, and potential safety hazards are caused.

Disclosure of Invention

The utility model aims at: in order to solve the technical problems, the utility model provides a high-speed railway cable slot cover plate buffer device and a cable slot. The purposes of stabilizing the cover plate and reducing potential safety hazards can be achieved.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a high-speed railway cable trough cover plate buffer device, which comprises a buffer assembly arranged between the contact positions of a cover plate and the top of a cable trough, wherein the contact positions of the bottom of the buffer assembly and the top of the cable trough are adhered into a whole, the buffer assembly is distributed along the bridge direction, and the cover plate is lapped on the top of the buffer device.

Specifically draw, this scheme is at the apron and the buffer unit between cable groove top contact position, can adapt to cable groove apron through the deformation of buffer unit self and prevent the apron warpage or rocking that the unevenness of cable groove top or apron bottom caused, make the laminating that the apron can be closely on the top of cable groove. The problem that the apron rocked, warp is solved through this scheme to reach the purpose that reduces the potential safety hazard, extension apron life.

In one embodiment, the cushioning assembly includes a primer layer, an elastomeric layer, and a release layer disposed in sequence from bottom to top, the primer layer, elastomeric layer, and release layer being self-adhesive as a unit.

Specifically, the scheme discloses a preferred structure of the buffer component, namely an integrally formed base coat, an elastomer layer and an anti-sticking layer, wherein the contact position of the base coat and the top of a cable groove is firmly adhered into a whole, the elastomer layer is a key component part of the buffer device and is poured onto the base coat, and the rubber-state elastomer layer is formed by normal temperature solidification and is attached onto the base coat; the anti-sticking layer is painted onto the cured elastomer layer. Make the buffering subassembly under coat, elastomer layer and antiseized layer between connect more firm through this scheme, and can be stable install at cable pit top contact position.

In addition, the anti-sticking layer is coated on the elastic body layer, and the anti-sticking layer and the elastic body layer are self-adhered to form a whole. The anti-sticking layer is a coating film with certain hardness. The anti-sticking layer plays the surface hand-sticky problem that isolated because of the elastomer layer is softer and produces, has solved the apron and has placed the back and adhere with the elastomer layer problem, and the dismantlement of apron when convenient follow-up maintenance.

In one embodiment, the elastomer layer is formed by curing a cast two-component polyurethane elastomer, and the hardness of the elastomer layer is between 15 Shore A and 65 Shore A.

Specifically, the material and the forming mode of an elastomer layer are disclosed, wherein the elastomer layer is a casting type double-component polyurethane elastomer, and the elastomer layer has a certain pot life and proper viscosity. Before the polyurethane elastomer is poured, a proper template is used for enclosing a pouring area, the polyurethane elastomer is poured into the enclosing area, the leveling effect is achieved by self fluidity before natural solidification, meanwhile, the uneven contact position of the top of the cable slot is covered, and the template is removed after the polyurethane elastomer is naturally solidified. The tight fit between the top contact position of the cable groove and the buffer assembly is guaranteed, and the flatness between the cover plate and the buffer assembly is guaranteed after the cover plate is placed.

In one embodiment, the elastomeric layer has a thickness of 30mm to 50mm and a hardness of 20 Shore A to 35 Shore A.

Specifically, the scheme discloses the optimal thickness range and the optimal hardness range of elastomer layer, through above-mentioned technical scheme, can solve the apron installation back that causes because of the unevenness problem such as protruding, sunken that the apron defect caused and rock scheduling problem, cushion the pressure that the staff produced when walking on the apron simultaneously. The potential safety hazard is reduced, and the service life of the cover plate is prolonged.

In one embodiment, the primer layer is one of a one-component polyurethane primer, a two-component polyurethane primer, and an epoxy primer.

Specifically, a preferable material of the undercoat layer is disclosed, and other materials than the above-described materials may be used for the purpose of design. The scheme plays a role in increasing the bonding strength of the elastomer layer and the contact position of the top of the cable groove by brushing the bottom coating to the contact position of the top of the cable groove.

In one embodiment, the length of the buffer component is consistent with the length of the cover plate, the width of the buffer component is consistent with the width of the contact position of the top of the cable groove, and the thickness of the buffer component is 5-50 mm.

Specifically, this scheme discloses buffer unit's whole length, width and thickness, through above-mentioned technical scheme, can solve the apron installation back that causes because of the unevenness problem such as protruding, sunken that the apron defect caused and rock scheduling problem, cushion the pressure that the staff produced when walking on the apron simultaneously.

Another aspect of the utility model provides a cable trough, comprising a high-speed railway cable trough cover plate buffer device as described above.

In an embodiment, still include cable groove body and apron, the cable groove body is including setting up perpendicular wall A at the roof beam body top side by side, perpendicular wall B and fender tiny fragments of stone, coal, etc. all be provided with the reservation region that is used for installing buffer unit on perpendicular wall A, perpendicular wall B and the fender tiny fragments of stone, etc. wall, the clearance between perpendicular wall A and perpendicular wall B, the clearance between perpendicular wall B and the fender tiny fragments of stone, etc. wall is the cable pit that is used for passing through the cable.

Specifically, this scheme discloses the overall arrangement position of cable groove body, apron and buffer unit, and detailed installation is as follows: and (3) polishing and cleaning cement base surfaces of reserved areas of the vertical wall A, the vertical wall B and the blocking ballast wall placing cover plates, and then selecting foam plates with self-adhesive for blocking. The foam board can be EVA foaming material. The foam board with self-adhesive is adhered to the side surface of the vertical wall or the blocking ballast wall and firmly adhered, the top of the foam board exceeds the vertical wall or the blocking ballast wall by a section of area, the exceeding height is the height of an elastomer layer to be poured, and an anti-sticking material of silicone paper is adhered to the foam board in the direction of the pouring area, and the silicone oil is faced to the pouring area.

After the pouring area is well surrounded, a cement base surface of the pouring area is firstly coated with a bottom coating, and after the surface of the cement base surface is dried, the polyurethane elastomer material which is uniformly mixed and defoamed is poured, so that the polyurethane elastomer material is naturally leveled. And forming an elastomer layer after the polyurethane elastomer is solidified, and coating an anti-sticking layer on the surface of the elastomer layer. After the anti-sticking layer is dried, the buffer device is installed, and the cover plate can be installed.

In one embodiment, the upper surfaces of the reserved areas on the vertical wall A, the vertical wall B and the blocking wall are polished with a cement base surface with a flat layer.

Specifically, the scheme discloses a cement base surface obtained by polishing the upper surface of each reserved area, before a buffer assembly is installed, the contact position (the reserved area cement base surface of a vertical wall A, a vertical wall B and a blocking ballast wall) of the top of a cable groove for contacting a cover plate needs to be polished in advance, dirt such as scum, floating soil, oil dirt and the like on the surface is removed, and then a base coat is coated. The adhesive strength between the bottom coating and the cement base surface can be greatly improved by the scheme.

The beneficial effects of the utility model are as follows:

the utility model has reasonable design, and the buffer component between the cover plate and the contact position of the top of the cable trough can adapt to the deformation of the buffer component to prevent the cover plate from warping or shaking caused by the unevenness of the top of the cable trough or the unevenness of the bottom of the cover plate, so that the cover plate can be closely attached to the top of the cable trough. The problem that the apron rocked, warp is solved through this scheme to reach the purpose that reduces the potential safety hazard, extension apron life.

Drawings

FIG. 1 is a schematic view of a cable trough of the present utility model;

FIG. 2 is a schematic view of the structure of the cushioning assembly of the present utility model;

FIG. 3 is a schematic view of an auxiliary structure of a cushioning assembly during its manufacture;

reference numerals: the anti-sticking device comprises a 1-buffer component, a 11-base coat, a 12-elastomer layer, a 13-anti-sticking layer, a 2-cover plate, a 3-vertical wall A, a 4-vertical wall B, a 5-ballast blocking wall, a 6-self-sticking adhesive, 7-silicone oil paper and an 8-foam board.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Example 1

The embodiment provides a high-speed railway cable duct cover plate buffer device, including setting up the buffer module 1 between apron 2 and cable duct top contact position, bond as an organic wholely between the contact position at buffer module 1's bottom and cable duct top, buffer module 1 arranges along the bridge direction, apron 2 overlap joint at buffer device's top.

As shown in fig. 1, specifically speaking, the buffer component 1 in the scheme between the cover plate 2 and the contact position of the top of the cable groove can adapt to the deformation of the buffer component 1 to the cover plate 2 of the cable groove to prevent the cover plate 2 from warping or shaking caused by the unevenness of the top of the cable groove or the unevenness of the bottom of the cover plate 2, so that the cover plate 2 can be closely attached to the top of the cable groove. The problem of apron 2 rocks, warp is solved through this scheme to reach the purpose that reduces the potential safety hazard, extension apron 2 life.

Example 2

The embodiment is further optimized based on the embodiment 1, specifically:

the buffer assembly 1 comprises a base coat 11, an elastomer layer 12 and a release layer 13 which are sequentially arranged from bottom to top, wherein the base coat 11, the elastomer layer 12 and the release layer 13 are self-adhered to form a whole.

As shown in fig. 2, specifically, the present embodiment discloses a preferred structure of the buffer assembly 1, in which the primer layer 11, the elastomer layer 12 and the anti-adhesion layer 13 are integrally formed, and the contact position between the primer layer 11 and the top of the cable slot is firmly adhered as a whole, the elastomer layer 12 is a key component of the buffer device, and is cast onto the primer layer 11, and the rubber-like elastomer layer 12 is formed by curing at normal temperature and is attached to the primer layer 11; an anti-adhesive layer 13 is applied to the cured elastomer layer 12. The connection among the bottom coating 11, the elastomer layer 12 and the anti-sticking layer 13 of the buffer assembly 1 is firmer through the scheme, and the buffer assembly can be stably arranged at the top contact position of the cable groove.

In addition, a release layer 13 is coated on the elastomer layer 12, and the release layer 13 and the elastomer layer 12 are self-adhered to form a whole. The anti-sticking layer 13 is a coating film having a certain hardness. The anti-sticking layer 13 plays an isolated surface hand problem that produces because of elastomer layer 12 is softer, has solved the apron 2 and has placed the back and bond with elastomer layer 12 problem, and the dismantlement of apron 2 when convenient follow-up maintenance.

The elastomer layer 12 is formed by solidifying a casting type double-component polyurethane elastomer, and the hardness of the elastomer layer 12 is Shore A15-Shore A65.

Example 3

This example was further optimized on the basis of example 2, specifically:

specifically, the material and molding mode of the elastomer layer 12 are disclosed, and the elastomer layer 12 is a casting type two-component polyurethane elastomer, which has a certain pot life and proper viscosity. Before the polyurethane elastomer is poured, a proper template is used for enclosing a pouring area, the polyurethane elastomer is poured into the enclosing area, the leveling effect is achieved by self fluidity before natural solidification, meanwhile, the uneven contact position of the top of the cable slot is covered, and the template is removed after the polyurethane elastomer is naturally solidified. The tight fit between the top contact position of the cable groove and the buffer assembly 1 is guaranteed, and the flatness between the cover plate 2 and the buffer assembly 1 is guaranteed after the cover plate 2 is placed.

The thickness of the elastomer layer 12 is 30 mm-50 mm, and the hardness of the elastomer layer 12 is 20-35 Shore A.

Specifically, the present solution discloses an optimal thickness range and an optimal hardness range of the elastomer layer 12, and through the above technical solution, the problems of shaking after the installation of the cover plate 2 caused by uneven problems such as protrusions and depressions caused by defects of the cover plate 2 can be solved, and meanwhile, the pressure generated when a worker walks on the cover plate 2 is buffered. The potential safety hazard is reduced, and the service life of the cover plate 2 is prolonged.

Example 4

This example was further optimized on the basis of example 2, specifically:

the primer layer 11 is one of single-component polyurethane primer, double-component polyurethane primer and epoxy primer.

Specifically, the preferable material of the undercoat layer 11 is disclosed, and other materials than the above-described materials may be used for the purpose of design. The present solution serves to increase the adhesive strength of the elastomeric layer 12 at the contact location of the cable trough top by brushing the primer layer 11 to the contact location of the cable trough top.

Example 5

This example was further optimized on the basis of example 2, specifically:

the length of the buffer component 1 is consistent with that of the cover plate 2, the width of the buffer component 1 is consistent with that of the contact position of the top of the cable groove, and the thickness of the buffer component 1 is 5-50 mm.

Specifically, this scheme discloses buffer assembly 1's whole length, width and thickness, through above-mentioned technical scheme, can solve the problem such as rocking after the apron 2 installation that the unevenness problem such as protruding, sunken caused because of apron 2 defect caused, cushion the pressure that the staff produced when walking on apron 2 simultaneously.

Example 6

The embodiment provides a cable trough, which comprises the buffer device for the cable trough cover plate of the high-speed railway.

In an embodiment, still include cable groove body and apron 2, the cable groove body is including setting up perpendicular wall A3, perpendicular wall B4 and fender tiny fragments of stone, coal, etc. wall 5 at the roof beam body top side by side, all is provided with the reservation region that is used for installing buffer assembly 1 on perpendicular wall A3, perpendicular wall B4 and the fender tiny fragments of stone, etc. wall 5, the clearance between perpendicular wall A3 and perpendicular wall B4, the clearance between perpendicular wall B4 and the fender tiny fragments of stone, etc. wall 5 is the cable pit that is used for passing through the cable.

As shown in fig. 3, specifically, the present solution discloses the layout positions of the cable trough, the cover plate 2 and the buffer assembly 1, and the detailed installation process is as follows: and (3) polishing and cleaning the cement base surface of the reserved area of the cover plate 2 where the vertical wall A3, the vertical wall B4 and the blocking wall 5 are placed, and then, selecting a foam plate 8 with self-adhesive 6 for blocking. The foam board 8 may be an EVA-based foam material. The foam board 8 with the self-adhesive 6 is adhered to the side surface of the vertical wall or the blocking ballast wall 5 and firmly adhered, the top of the foam board 8 exceeds the vertical wall or the blocking ballast wall 5 by a section of area, the exceeding height is the height of the elastomer layer 12 to be poured, and the anti-adhesion material of silicone oil paper 7 is adhered to the foam board 8 in the direction of the pouring area, and the silicone oil is facing the pouring area.

After the pouring area is well surrounded, a cement base surface of the pouring area is firstly coated with a bottom coating, and after the surface of the cement base surface is dried, the polyurethane elastomer material which is uniformly mixed and defoamed is poured, so that the polyurethane elastomer material is naturally leveled. After the polyurethane elastomer is cured, an elastomer layer 12 is formed, and the surface of the elastomer layer is coated with a release layer 13. After the anti-sticking layer 13 is dried, the buffer device is installed, and the cover plate 2 can be installed.

Example 7

This example was further optimized on the basis of example 6, and specifically:

the upper surfaces of the reserved areas on the vertical wall A3, the vertical wall B4 and the ballasted blocking wall 5 are all polished with a cement base surface with a flat layer.

Specifically, the scheme discloses a cement base surface obtained by polishing the upper surface of each reserved area, before the buffer assembly 1 is installed, the contact position (the cement base surface of the reserved area of the vertical wall A3, the vertical wall B4 and the ballast blocking wall 5) for contacting the top of the cable groove with the cover plate 2 needs to be polished in advance, and dirt such as scum, floating soil, oil dirt and the like on the surface is removed, and then the bottom coating is coated. The adhesive strength between the primer layer 11 and the cement base surface can be greatly improved by the treatment of the scheme.

Claims (9)

1. The utility model provides a high-speed railway cable duct cover plate buffer, its characterized in that, including setting up buffer module (1) between apron (2) and cable duct top contact position, the bottom of buffer module (1) with bond as an organic wholely between the contact position at cable duct top, buffer module (1) are arranged along bridge along the bridge direction, apron (2) overlap joint is in buffer's top.

2. The buffer device for the cable trough cover plate of the high-speed railway according to claim 1, wherein the buffer assembly (1) comprises a base coat (11), an elastomer layer (12) and a release layer (13) which are sequentially arranged from bottom to top, and the base coat (11), the elastomer layer (12) and the release layer (13) are self-adhered to form a whole.

3. The high-speed railway cable trough cover plate buffer device according to claim 2, wherein the elastomer layer (12) is formed by solidifying a casting type two-component polyurethane elastomer, and the hardness of the elastomer layer (12) is between 15 and 65 Shore A.

4. The high-speed railway cable trough cover plate buffer device according to claim 2, wherein the thickness of the elastomer layer (12) is 30-50 mm, and the hardness of the elastomer layer (12) is 20-35 Shore A.

5. The buffer device for the cable trough cover plate of the high-speed railway according to claim 2, wherein the bottom coating (11) is one of single-component polyurethane bottom coating, double-component polyurethane bottom coating and epoxy bottom coating.

6. A high-speed railway cable trough cover plate buffer device according to any one of claims 1 to 5, characterized in that the length of the buffer assembly (1) is consistent with the length of the cover plate (2), the width of the buffer assembly (1) is consistent with the width of the contact position of the cable trough top, and the thickness of the buffer assembly (1) is 5-50 mm.

7. A cable trough comprising a high speed railway cable trough cover buffer according to any one of claims 2 to 5.

8. The cable trough of claim 7, further comprising a cable trough body and a cover plate (2), wherein the cable trough body comprises a vertical wall A (3), a vertical wall B (4) and a blocking ballast wall (5) which are arranged on the top of the beam body in parallel, reserved areas for installing the buffer assembly (1) are arranged on the vertical wall A (3), the vertical wall B (4) and the blocking ballast wall (5), and gaps between the vertical wall A (3) and the vertical wall B (4) and gaps between the vertical wall B (4) and the blocking ballast wall (5) are all cable trenches for passing cables.

9. The cable trough of claim 8, wherein the upper surfaces of the reserved areas on the vertical wall a (3), the vertical wall B (4) and the ballast blocking wall (5) are polished with a cement base surface with a leveling layer.