Ultra-high performance UHPC tunnel cable trench cover plate

Abstract

The utility model discloses an ultra-high performance UHPC tunnel cable trench cover plate which comprises a cover plate body, strip-shaped buffer grooves, strip-shaped rubber pads, reinforcing grooves and high-strength steel bars, the strip-shaped buffer grooves are formed in the two sides of the bottom end of the cover plate body, the strip-shaped rubber pads are arranged in the strip-shaped buffer grooves, and the reinforcing grooves are arranged in the strip-shaped buffer grooves. Positioning insertion holes are formed in the positions, above the strip-shaped buffer grooves, in the cover plate body at equal intervals, rubber insertion columns are arranged at the positions, at the positioning insertion holes, of the top ends of the strip-shaped rubber pads, the reinforcing grooves are formed in the bottom end of the cover plate body, and the high-strength steel bars are arranged in the reinforcing grooves. Mounting through holes are formed in the positions, above the reinforcing grooves, in the cover plate body at equal intervals, mounting bolts are arranged in the mounting through holes, and blocking pieces are fixed to the tops of the mounting bolts. The compression resistance of the cover plate body is improved, the rubber pad is convenient to disassemble and replace, the flexibility is high, the cover plate is convenient to splice and fix, and fragments are prevented from falling off.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable trench cover plate technical field, concretely is a kind of super high performance UHPC tunnel cable trench cover plate. BACKGROUND

[0002] Cable trench is usually arranged in tunnel for laying cable, cover plate is usually needed to be arranged on cable trench, cover plate can effectively prevent rain, dust, weeds and other external factors from invading cable trench, so as to protect cable from being damaged, in addition, it can also bear certain load, prevent personnel or vehicle from entering to cause damage to cable.

[0003] The utility model discloses a kind of highway tunnel cable trench UHPC cover plate and cable trench structure, belong to highway tunnel design and construction technical field.Gap plate is used to cover the opening of cable trench, cable trench is arranged along the first direction, cover plate includes cover plate body and buffer part, cover plate body is made of lightweight material, cover plate body has first surface and second surface along its second direction, first surface is compared with second surface close to cable trench arrangement, second direction is the thickness direction of the cover plate body and perpendicular to the first direction;Buffer part is located at first surface, buffer part is used to contact with cable trench, to buffer effect between cover plate body and cable trench.

[0004] The above-mentioned cover plate, although using UHPC material, can effectively solve the problem of high self-weight and high damage rate of ordinary concrete cover plate, using buffer pad to reduce the direct impact between rigid cover plate body and tunnel cable trench, increase the friction coefficient between cover plate body and cable trench, but cover plate body is light and thin, its compression resistance is not high, and its buffer pad and cover plate are integrated structure, when buffer pad is seriously worn, it cannot be replaced, therefore we propose a kind of super high performance UHPC tunnel cable trench cover plate. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of super high performance UHPC tunnel cable trench cover plate to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of super high performance UHPC tunnel cable trench cover plate, including cover plate body, strip-shaped buffer groove, strip-shaped rubber pad, reinforcing groove and high-strength steel strip, the strip-shaped buffer groove is all arranged at the both sides of cover plate body bottom end, the strip-shaped rubber pad is arranged inside strip-shaped buffer groove, the inside of cover plate body above strip-shaped buffer groove is all provided with equidistant positioning jack, the top end of strip-shaped rubber pad at the position of positioning jack is provided with rubber insertion post, the reinforcing groove is all arranged at the bottom end of cover plate body, the high-strength steel strip is arranged inside reinforcing groove, the inside of cover plate body above reinforcing groove is all provided with equidistant mounting through-hole, and mounting bolt is provided in the inside of mounting through-hole, and the top of mounting bolt is fixed with baffle.

[0007] Preferably, the outer wall of one side of the cover plate body is provided with a clamping groove part, and the outer wall of the other side of the cover plate body is provided with a protruding part.

[0008] Preferably, both sides of the surface of the clamping groove part are provided with split notches, facilitating the disassembly of the cover plate body.

[0009] Preferably, the surface of the strip-shaped rubber pad is provided with equidistant friction ridges, increasing the friction of the strip-shaped rubber pad.

[0010] Preferably, the rubber insertion post is integrally formed with the strip-shaped rubber pad, and the rubber insertion post extends into the inside of the positioning jack and tightly fits therewith.

[0011] Preferably, the bottom end of the cover plate body below the reinforcing groove is provided with a grid bottom sheet, and the corner positions of the grid bottom sheet are connected with the cover plate body through expansion screws, facilitating the interception of the debris peeled off from the cover plate body.

[0012] Preferably, the bottom end of the mounting bolt is threadedly connected with the threaded hole at the top end of the high-strength steel strip.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The cover plate body is made of UHPC material, which has the characteristics of light weight, high strength, high durability and high toughness. By installing the high-strength steel strip in the reinforcing groove at the bottom end of the cover plate body, screwing the mounting bolt from the mounting through-hole in the inside of the cover plate body into the threaded hole at the top end of the high-strength steel strip, and limiting the high-strength steel strip by the baffle, the high-strength steel strip can be fixed. The high-strength steel strip improves the structural strength of the cover plate body and the compression resistance of the cover plate body, prevents it from being crushed by heavy load, and prolongs the service life.

[0015] When installing the cover plate body, the cover plate body is placed on the tunnel cable trench, the strip-shaped rubber pad in the strip-shaped buffer groove at the bottom end of the cover plate body is in contact with the tunnel cable trench, and the strip-shaped rubber pad plays a buffering role, the friction convex edges on the surface of the strip-shaped rubber pad play a role of increasing friction force, and the strip-shaped rubber pad is prevented from slipping, when the strip-shaped buffer groove is seriously worn, the rubber plug column at the top end of the strip-shaped rubber pad is pulled out from the positioning plug hole in the cover plate body, the strip-shaped rubber pad can be disassembled, and therefore the strip-shaped rubber pad is convenient to disassemble and replace and is high in flexibility.

[0016] Since the clamping groove part and the protruding part are arranged on the outer walls at the two sides of the cover plate body, the cover plate bodies are arranged in the tunnel cable trench one by one, the protruding part at one side of the cover plate body is clamped into the clamping groove part at one side of the cover plate body adjacent to the cover plate body, and the clamping groove part and the protruding part are clamped to fix the cover plate bodies two by two, so that the cover plate bodies are conveniently spliced and installed, the cover plate bodies are closely connected after installation, have no gaps, and are not prone to loosening, and when the cover plate bodies need to be disassembled, the crowbar is inserted into the disassembly gap and the cover plate bodies are pushed, so that the cover plate bodies can be disassembled.

[0017] The grid bottom sheet is fixed to the bottom end of the cover plate body through the expansion screw, the chippings peeled off from the cover plate body can be intercepted, and the chippings are prevented from falling into the tunnel cable trench, so that the tunnel cable trench can be kept clean and free of impurities. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the utility model;

[0019] Figure 2 It is an installation state schematic diagram of the utility model;

[0020] Figure 3 It is a side view enlarged structural schematic diagram of the utility model;

[0021] Figure 4 It is a Figure 3 It is an enlarged structural schematic diagram of the utility model at A;

[0022] Figure 5 It is a bottom view enlarged structural schematic diagram of the utility model.

[0023] In the drawing: 1, cover plate body; 2, clamping groove part; 201, disassembly gap; 3, protruding part; 4, strip-shaped buffer groove; 5, strip-shaped rubber pad; 501, friction convex edge; 6, positioning plug hole; 7, rubber plug column; 8, reinforcing groove; 9, high-strength steel strip; 10, threaded hole; 11, mounting through hole; 12, mounting bolt; 13, baffle; 14, grid bottom sheet; 15, expansion screw. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the utility model protection.

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the utility model protection.

[0026] Please refer to Figures 1-5 The utility model provides an embodiment: a kind of super high performance UHPC tunnel cable trench cover plate, including cover plate body 1, strip buffer groove 4, strip rubber pad 5, reinforcing groove 8 and high-strength steel bar 9, strip buffer groove 4 all is set in the both sides of cover plate body 1 bottom end, strip rubber pad 5 is set in the inside of strip buffer groove 4, the inside of cover plate body 1 above strip buffer groove 4 all is provided with equidistance positioning jack 6, and strip rubber pad 5 top end of the position of positioning jack 6 is provided with rubber insertion column 7;

[0027] Reinforcing groove 8 all is set in the bottom end of cover plate body 1, high-strength steel bar 9 is set in the inside of reinforcing groove 8, equidistance mounting through-hole 11 is all provided in the inside of cover plate body 1 above reinforcing groove 8, and mounting bolt 12 is provided in the inside of mounting through-hole 11, and the top of mounting bolt 12 is fixed with baffle 13;

[0028] Specifically, cover plate body 1 adopts UHPC material, UHPC material has the characteristics of light weight, high strength, high durability and high toughness, since high-strength steel bar 9 is installed in reinforcing groove 8 of the bottom end of cover plate body 1, mounting bolt 12 is screwed into the threaded hole 10 in the top end of high-strength steel bar 9 from the mounting through-hole 11 in the inside of cover plate body 1, baffle 13 limits high-strength steel bar 9, i.e. high-strength steel bar 9 can be fixed, high-strength steel bar 9 improves the structural strength of cover plate body 1, enhances the compression resistance of cover plate body 1, prevents it from being crushed by heavy load, prolongs service life;

[0029] When installing the cover plate body 1, the cover plate body 1 is placed on the tunnel cable trench, the strip-shaped rubber pad 5 in the strip-shaped buffer groove 4 at the bottom end of the cover plate body 1 is in contact with the tunnel cable trench, and the strip-shaped rubber pad 5 plays a buffering role, and the friction convex edges 501 on the surface of the strip-shaped rubber pad 5 play a role in increasing the friction force, preventing the cover plate body 1 from slipping, and when the strip-shaped buffer groove 4 is severely worn, the rubber plug column 7 at the top end of the strip-shaped rubber pad 5 is pulled out of the positioning plug hole 6 in the cover plate body 1, and the strip-shaped rubber pad 5 can be disassembled, so that the strip-shaped rubber pad 5 is convenient to disassemble and replace, and has high flexibility;

[0030] The outer wall on one side of the cover plate body 1 is provided with a clamping groove part 2, and the outer wall on the other side of the cover plate body 1 is provided with a protruding part 3;

[0031] The clamping groove part 2 and the protruding part 3 can also be used as a hand-held part to facilitate the taking of the cover plate body 1;

[0032] Both sides of the surface of the clamping groove part 2 are provided with split notches 201;

[0033] Specifically, since the outer walls on both sides of the cover plate body 1 are respectively provided with the clamping groove part 2 and the protruding part 3, a plurality of cover plate bodies 1 are arranged one by one on the tunnel cable trench, and the clamping groove part 2 and the protruding part 3 are arranged on the outer walls on both sides of the cover plate body 1, as shown in FIG. 2; Figure 1 The protruding part 3 on one side of the cover plate body 1 is clamped into the clamping groove part 2 on the other side of the adjacent cover plate body 1, and the clamping groove part 2 and the protruding part 3 are clamped to fix the cover plate bodies 1 two by two, so that the cover plate bodies 1 are conveniently spliced and installed, the cover plate bodies 1 after installation are connected tightly without gaps and are not easy to loosen;

[0034] When the cover plate body 1 needs to be disassembled, the crowbar is inserted into the split notch 201 and pushes the cover plate body 1, so that the cover plate body 1 can be disassembled;

[0035] The surface of the strip-shaped rubber pad 5 is provided with friction convex edges 501 at equal intervals;

[0036] The rubber plug column 7 is integrally formed with the strip-shaped rubber pad 5, and the rubber plug column 7 extends into the inside of the positioning plug hole 6 and is tightly attached thereto;

[0037] The bottom end of the cover plate body 1 below the reinforcing groove 8 is provided with a grid bottom sheet 14, and the corner positions of the grid bottom sheet 14 are connected with the cover plate body 1 through expansion screws 15;

[0038] Specifically, the grid bottom sheet 14 is fixed at the bottom end of the cover plate body 1 through the expansion screws 15, the debris peeled off from the cover plate body 1 can be intercepted, and the debris is prevented from falling into the tunnel cable trench, so that the inside of the tunnel cable trench can be kept clean;

[0039] The bottom end of the installation bolt 12 is threadedly connected with the threaded hole 10 at the top end of the high-strength steel strip 9.

[0040] In this embodiment, the following steps are taken during use: First, the cover plate body 1 is made of UHPC material, which is lightweight, high-strength, highly durable, and highly tough. High-strength steel strips 9 are installed in the reinforcing groove 8 at the bottom of the cover plate body 1. The mounting bolts 12 are screwed from the mounting through-hole 11 inside the cover plate body 1 into the threaded hole 10 at the top of the high-strength steel strip 9. The baffle 13 limits the movement of the high-strength steel strip 9, thus fixing it in place. The high-strength steel strip 9 enhances the structural strength of the cover plate body 1, strengthens its compressive strength, prevents it from being crushed by heavy loads, and extends its service life. Second, the mesh base plate 14 is fixed to the bottom of the cover plate body 1 using expansion screws 15. This intercepts any loose fragments from the cover plate body 1, preventing them from falling into the tunnel cable trench, thus ensuring the tunnel cable trench remains clean and free of debris. Then, when installing the cover plate body 1, it is placed on the tunnel cable trench. (Refer to the attached document.) Figure 2 The strip rubber pad 5 in the strip buffer groove 4 at the bottom of the cover plate body 1 contacts the tunnel cable trench, playing a buffering role. The friction ridges 501 on the surface of the strip rubber pad 5 increase the friction and prevent the cover plate body 1 from slipping. When the strip buffer groove 4 is severely worn, the rubber post 7 at the top of the strip rubber pad 5 can be pulled out from the positioning hole 6 inside the cover plate body 1 to remove the strip rubber pad 5, making it easy to replace and highly flexible. In addition, since the outer walls on both sides of the cover plate body 1 are respectively provided with slots 2 and protrusions 3, multiple cover plates 1 are arranged one by one on the tunnel cable trench. (See attached figure) Figure 1 This allows the protrusion 3 on one side of the cover plate body 1 to engage with the slot 2 on the adjacent side of the cover plate body 1. The engagement of the slot 2 and the protrusion 3 secures the cover plate bodies 1 together, making it easy to assemble and install the cover plate bodies 1. The assembled cover plate bodies 1 are tightly connected without gaps and are not easy to loosen. When it is necessary to disassemble the cover plate body 1, a pry bar is inserted into the split notch 201 and the cover plate body 1 is pushed to disassemble the cover plate body 1.

[0041] Obviously, the embodiments described above are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

Claims

1. An ultra-high performance (UHPC) tunnel cable trench cover, characterized in that, Including cover plate body (1), strip-shaped buffer groove (4), strip-shaped rubber pad (5), reinforcing groove (8) and high-strength steel bar (9), the strip-shaped buffer groove (4) is arranged on both sides of the bottom end of the cover plate body (1), the strip-shaped rubber pad (5) is arranged inside the strip-shaped buffer groove (4), the cover plate body (1) is provided with equal interval positioning jack (6) inside above the strip-shaped buffer groove (4), the strip-shaped rubber pad (5) is provided with rubber plug post (7) at the top end of the position of the positioning jack (6), the reinforcing groove (8) is arranged at the bottom end of the cover plate body (1), the high-strength steel bar (9) is arranged inside the reinforcing groove (8), the cover plate body (1) is provided with equal interval mounting through hole (11) inside above the reinforcing groove (8), and the mounting through hole (11) is provided with mounting bolt (12) inside, and the top of the mounting bolt (12) is fixed with baffle (13).

2. The ultra-high performance (UHPC) tunnel cable trench cover plate of claim 1, wherein: The outer wall of one side of the cover plate body (1) is provided with a clamping groove part (2), and the outer wall of the other side of the cover plate body (1) is provided with a protruding part (3).

3. The ultra-high performance (UHPC) tunnel cable trench cover of claim 2, wherein: Splitting notches (201) are arranged on both sides of the surface of the clamping groove part (2).

4. The ultra-high performance (UHPC) tunnel cable trench cover plate of claim 1, wherein: The surface of the strip-shaped rubber pad (5) is provided with equal interval friction convex ribs (501).

5. The ultra-high performance (UHPC) tunnel cable trench cover plate of claim 1, wherein: The rubber plug post (7) is integrally formed with the strip-shaped rubber pad (5), and the rubber plug post (7) extends into the inside of the positioning jack (6) and tightly fits with it.

6. The ultra-high performance (UHPC) tunnel cable trough cover plate of claim 1, wherein: The bottom end of the cover plate body (1) below the reinforcing groove (8) is provided with a grid bottom sheet (14), and the corner positions of the grid bottom sheet (14) are connected with the cover plate body (1) through expansion screws (15).

7. The ultra-high performance (UHPC) tunnel cable trough cover plate of claim 1, wherein: The bottom end of the mounting bolt (12) is threadedly connected with the threaded hole (10) at the top end of the high-strength steel bar (9).

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