Round top pipe embedded cable combination bracket

Abstract

The utility model proposes a circular top pipe embedded cable combination bracket, comprising: a fork-end anchor, one end of the fork-end anchor is pre-buried in the top pipe section, and the other end of the fork-end anchor extends out of the inner surface of the top pipe section; an arcuate groove, the wall surface of the arcuate groove abuts against the inner surface of the top pipe section, wherein the curvature of the wall surface of the arcuate groove is the same as the curvature of the inner surface of the top pipe section, and the wall surface of the arcuate groove is fixedly connected to the other end of the fork-end anchor; a cable bracket, which is fixedly arranged on the groove surface of the arcuate groove; the circular top pipe embedded groove and cable bracket prevent the damage to the structure by the traditional method by pre-burying the fork-end anchor and the arcuate groove, improve the problem that the common method pre-buried groove is easy to fall off after being stressed, and customize the same arc base for the cable bracket, which is closely attached to each other, and solves the problems of poor integrity and slow installation speed of the bracket inside the arc-shaped top pipe.

Description

Technical Field

[0001] The utility model belongs to the technical field of municipal pipe jacking construction equipment and facilities, and specifically relates to a circular pipe jacking embedded type cable combined bracket. Background Art

[0002] In order to solve the chaos of urban gas, high-voltage, low-voltage and drainage pipelines, comprehensive pipe gallery projects have emerged in the field of municipal engineering construction. Comprehensive pipe gallery projects are constantly developing in China. Because some comprehensive pipe galleries involve crossing rivers and lakes, circular pipe jacking construction technology is adopted. At present, China's domestic pipe jacking construction is very mature, but the cable brackets inside the comprehensive pipe gallery are usually installed and fixed to the outer surface of the concrete structure by traditional methods using chemical anchors or expansion bolts. This method often destroys the original structure and has defects in mechanical properties and appearance quality.

[0003] In recent years, with the development of pipe jacking construction technology in China, some construction units have developed cable supports suitable for integrated pipe corridors:

[0004] For example, the patent application document with the Chinese utility model patent application number CN201920893245.X discloses a cable support for an integrated pipe gallery, including a wall connecting piece, a U-shaped slide groove, an oblique support, and a cable rack; the cross section of the wall connecting piece is T-shaped, the side close to the side wall or the middle partition wall of the pipe gallery is a vertical end of the T-shape, and a mounting hole is arranged perpendicular to the T-shaped top surface of the wall connecting piece, and the mounting hole is a groove matching the external shape of the expansion bolt; rectangular slots are evenly arranged on the outer side of the flanges on both sides of the wall connecting piece;

[0005] Several U-shaped chutes are stacked together through the wall connecting pieces;

[0006] The two sides of the U-shaped chute are bent inwardly to match the shapes of the two flanges of the wall connecting member, and a rectangular hole is provided on the curved side wall of the U-shaped chute;

[0007] The middle of the clamp is a middle sleeve, which is welded on the U-shaped slide groove. The two ends of the middle sleeve are clamping blocks, which are T-shaped structures. The two flanges are provided with inward protrusions, which pass through the rectangular holes on the side walls of the U-shaped slide groove and are clamped in the rectangular clamping groove for fixation. The distance between the flange protrusions at both ends of the clamping block is equal to the distance between two adjacent rectangular clamping grooves. The vertical sections of the two flanges are horizontally fixed with connecting rods, and the ends of the connecting rods are provided with end fixing pieces. A spring is sleeved on the connecting rod. The connecting rod, the end fixing piece and the spring are arranged inside the sleeve.

[0008] The sleeve is a hollow rectangular cylinder, one side of which is a rectangular sleeve mounting plate, and a bolt hole is provided on the rectangular sleeve mounting plate; a middle partition block is provided in the middle of the interior; a bolt hole is provided on the outer side of the middle partition block, which corresponds to the bolt hole on the rectangular sleeve mounting plate and is fixed by fixing bolts;

[0009] One end of the cable rack is horizontally welded to the U-shaped slide groove, and an oblique support is welded to the lower part of the cable rack. The cable rack is a hollow rectangular column with a longitudinal groove on the upper end and a number of circular slots on the longitudinal groove at equal intervals. A T-shaped slide groove is arranged on the bottom plate inside the cable rack, and the bottom of the movable partition is the lower slide groove, and its internal shape matches the T-shaped slide groove. A bolt hole is arranged at the outer end of the T-shaped slide groove, and the end sealing piece is a rectangular plate with bolt holes corresponding to the bolt holes on the T-shaped slide groove, and the bolts fix the end sealing piece to the outer side of the T-shaped slide groove.

[0010] The above-mentioned prior art has the following technical problems in actual application:

[0011] The cable bracket is installed and fixed to the outer surface of the concrete structure by using expansion bolts, which requires destroying the original concrete structure.

[0012] Based on the above-mentioned technical problems existing in the prior art, the utility model provides a circular top pipe embedded cable assembly bracket. Summary of the invention

[0013] The utility model proposes a circular top pipe embedded cable combination bracket, which prevents the damage to the structure by the traditional method by pre-burying the branch end anchors and the arc-shaped groove, improves the problem that the common method pre-buried groove is easy to fall off after being stressed, and customizes the same arc base for the cable bracket, which fits closely to each other, thereby solving the problems of poor integrity and slow installation speed of the bracket inside the arc-shaped top pipe.

[0014] The utility model adopts the following technical solutions:

[0015] A circular top pipe embedded cable assembly bracket, comprising:

[0016] A fork-end anchor, one end of which is pre-buried in the top pipe section, and the other end of which protrudes from the inner surface of the top pipe section;

[0017] An arc-shaped channel, wherein the wall-adjacent surface of the arc-shaped channel abuts against the inner surface of the top pipe segment, wherein the curvature of the wall-adjacent surface of the arc-shaped channel is the same as the curvature of the inner surface of the top pipe segment, and the wall-adjacent surface of the arc-shaped channel is fixedly connected to the other end of the fork-end anchor;

[0018] The cable support is fixedly arranged on the channel surface of the arc-shaped channel.

[0019] Furthermore, the wall-adjacent surface of the arc-shaped channel is fixedly connected to the other end of a plurality of the fork-end anchors, and the plurality of the fork-end anchors are arranged at equal intervals on the back side of the arc-shaped channel.

[0020] Furthermore, one end of the bifurcated end anchor is fixedly connected to a first connecting handle, and the first connecting handle is anchored in the jacking pipe section.

[0021] Furthermore, the other end of the fork-end anchor is fixedly connected to a second connecting handle, and the second connecting handle is fixedly connected to the wall surface of the arc-shaped channel.

[0022] Furthermore, the circular top pipe embedded cable assembly support also includes a steel mesh anchored on the inner surface of the top pipe section, and the other end of the fork end anchor is fixedly connected to the steel mesh.

[0023] Furthermore, the wall-adjacent surface of the arc-shaped channel is fixedly connected to the steel mesh.

[0024] Furthermore, the arcuate groove is a U-shaped arcuate groove.

[0025] Furthermore, the cable support comprises an arc-shaped base of the cable support fixedly connected to the arc-shaped channel and a cable support rod fixedly arranged on the arc-shaped base of the cable support.

[0026] Furthermore, the arc-shaped base of the cable bracket is fixedly connected to the arc-shaped groove by T-bolts.

[0027] Furthermore, the T-bolt comprises a bolt head having the same shape as the inner cross-section of the arc-shaped groove, a bolt shank fixedly connected to the bolt head, and a nut sleeved on the bolt shank.

[0028] Furthermore, a portion of the bolt head facing the nut is provided with a groove, and the groove can abut against a groove stop handle of the arc-shaped groove.

[0029] Compared with the prior art, the advantages of the present invention are:

[0030] 1. The circular top pipe embedded cable combined bracket of the utility model prevents the damage to the structure during the installation of the traditional bracket by embedding the customized fork end anchors and arc-shaped grooves during the prefabrication of the top pipe section;

[0031] 2. The circular top pipe embedded cable combined bracket of the utility model has fork end anchors arranged at equal intervals on the back of the arc-shaped groove and welded with the steel mesh, which enhances the groove gripping force and prevents the partial groove from falling off and peeling off the pipe section during the installation of the bracket and cable laying in the later stage;

[0032] 3. The circular top pipe embedded cable combination bracket described in the utility model adopts a customized arc-shaped cable bracket base, which ensures the fit between the bracket and the groove and solves the problem of long construction period of the traditional method. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a cross-sectional view of a circular top pipe embedded cable assembly bracket in an embodiment of the utility model;

[0034] Figure 2 It is a structural schematic diagram of the arc-shaped groove in the embodiment of the utility model;

[0035] Figure 3 It is a schematic diagram of the structure of the cable support in the embodiment of the utility model;

[0036] Figure 4 It is a schematic diagram of the structure of the T-bolt in the embodiment of the utility model;

[0037] Figure 5 It is a structural schematic diagram of the arc-shaped channel and the cable bracket in the embodiment of the utility model.

[0038] In the figure, 1-arc-shaped groove, 11-wall surface, 12-groove surface, 13-groove stop handle;

[0039] 2-fork end anchor, 21-first connecting handle, 22-second connecting handle;

[0040] 4-cable support, 41-cable support arc base, 42-cable support rod;

[0041] 5-T-bolt, 51-bolt head, 52-bolt shank, 53-nut. DETAILED DESCRIPTION

[0042] In order to more clearly understand the above-mentioned purposes, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0043] Example

[0044] like Figure 1 As shown, the circular top tube embedded cable assembly bracket includes:

[0045] A fork-end anchor 2, one end of which is pre-buried in the top pipe section, and the other end of which protrudes from the inner surface of the top pipe section;

[0046] An arc-shaped channel 1, wherein a wall surface 11 of the arc-shaped channel 1 abuts against the inner surface of the top pipe segment, wherein the curvature of the wall surface 11 of the arc-shaped channel 1 is the same as the curvature of the inner surface of the top pipe segment, and the wall surface 11 of the arc-shaped channel 1 is fixedly connected to the other end of the fork-end anchor 2;

[0047] A cable support 4 is fixedly arranged on the channel surface 12 of the arc-shaped channel 1;

[0048] The chord length and the arc value of the arc-shaped channel 1 are determined according to the diameter of the top pipe section and the number of the cable supports 4 planned to be installed;

[0049] The fork-end anchor 2, the arc-shaped channel 1 and the cable support 4 can all be made of galvanized Q345B steel;

[0050] As a specific implementation, a foam strip is stuffed in the channel of the arc channel 1, and a plurality of the fork end anchors 2 are welded at equal intervals on the back of the arc channel 1, wherein the foam strip is stuffed inside the arc channel 1 to prevent concrete slurry from entering the channel of the arc channel 1;

[0051] Before prefabricating the concrete pipe segment formwork, the arcuate groove 1 is fixed and fitted to the inner formwork of the jacking pipe segment, and a dense steel mesh is arranged around the arcuate groove 1. The steel meshes are welded to each other to form a whole, and the jacking pipe segment is cast and prefabricated. After the strength meets the requirements, it is transported to the construction site for jacking construction.

[0052] like Figure 2 As shown, the wall surface 11 of the arc-shaped channel 1 is fixedly connected to the other end of a plurality of the fork-end anchors 2, and a plurality of the fork-end anchors 2 are arranged at equal intervals on the back of the arc-shaped channel 1;

[0053] One end of the fork-end anchor 2 is fixedly connected to a first connecting handle 21, and the first connecting handle 21 is anchored in the top pipe section;

[0054] The other end of the fork-end anchor 2 is fixedly connected to a second connection handle 22, and the second connection handle 22 is fixedly connected to the wall surface 11 of the arc-shaped channel 1;

[0055] The arc-shaped groove 1 is a U-shaped arc-shaped groove, and groove stop handles 13 are provided on both sides of the groove opening of the arc-shaped groove 1;

[0056] As a specific implementation, the first connecting handle 21 and / or the second connecting handle 22 are both of a nail cap type or a spherical structure.

[0057] The circular top pipe embedded cable assembly support also includes a steel mesh (not shown) anchored on the inner surface of the top pipe section, and the other end of the fork end anchor 2 is fixedly connected to the steel mesh;

[0058] The wall surface 11 of the arc-shaped channel 1 is fixedly connected to the steel mesh.

[0059] like Figure 3 As shown, the cable support 4 includes a cable support arc base 41 fixedly connected to the arc channel 1 and a cable support rod 42 fixedly arranged on the cable support arc base 41;

[0060] As a specific implementation, the curvature of the arc-shaped base 41 of the cable support is obtained according to the channel surface 12 of the arc-shaped channel 1;

[0061] After the top pipe is penetrated, the foam strips stuffed inside the groove are torn off and the cable bracket 4 is installed.

[0062] like Figure 4 As shown, the T-bolt 5 comprises a bolt head 51 having the same inner cross-sectional shape as the arc-shaped channel 1, a bolt shank 52 fixedly connected to the bolt head 51, and a nut 53 sleeved on the bolt shank 52;

[0063] A portion of the bolt head 51 facing the nut 53 is provided with a groove, and the groove can abut against the groove stopper 13 of the arc-shaped groove 1 .

[0064] like Figure 5 As shown, the arc-shaped base 41 of the cable bracket is fixedly connected to the arc-shaped channel 1 by the T-bolt 5 .

[0065] The present invention is not limited by the above embodiments. The above embodiments and the description are only for explaining the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims.

Claims

1. A circular top pipe embedded cable assembly bracket, characterized in that: include: A fork-end anchor, one end of which is pre-buried in the top pipe section, and the other end of which protrudes from the inner surface of the top pipe section; An arc-shaped channel, wherein the wall-adjacent surface of the arc-shaped channel abuts against the inner surface of the top pipe segment, wherein the curvature of the wall-adjacent surface of the arc-shaped channel is the same as the curvature of the inner surface of the top pipe segment, and the wall-adjacent surface of the arc-shaped channel is fixedly connected to the other end of the fork-end anchor; The cable support is fixedly arranged on the channel surface of the arc-shaped channel.

2. The circular top tube embedded cable assembly support according to claim 1, characterized in that: One end of the fork-end anchor is fixedly connected to a first connecting handle, and the first connecting handle is anchored in the top pipe section.

3. The circular top tube embedded cable assembly support according to claim 2, characterized in that: The other end of the fork-end anchor is fixedly connected with a second connecting handle, and the second connecting handle is fixedly connected to the wall surface of the arc-shaped channel.

4. The circular top tube embedded cable assembly support according to claim 1, characterized in that: The circular top pipe embedded cable assembly support also includes a steel mesh anchored on the inner surface of the top pipe section, and the other end of the fork end anchor is fixedly connected to the steel mesh.

5. The circular top tube embedded cable assembly support according to claim 4, characterized in that: The wall-adjacent surface of the arc-shaped channel is fixedly connected to the steel mesh.

6. The circular top tube embedded cable assembly support according to claim 1, characterized in that: The arc-shaped groove is a U-shaped arc-shaped groove.

7. The circular top tube embedded cable assembly support according to claim 1, characterized in that: The cable support comprises an arc-shaped base of the cable support fixedly connected to the arc-shaped channel and a cable support fixedly arranged on the arc-shaped base of the cable support.

8. The circular top tube embedded cable assembly support according to claim 7, characterized in that: The arc-shaped base of the cable bracket is fixedly connected to the arc-shaped channel by T-shaped bolts.

9. The circular top tube embedded cable assembly support according to claim 8, characterized in that: The T-bolt comprises a bolt head having the same inner cross-sectional shape as the arc-shaped groove, a bolt shank fixedly connected to the bolt head, and a nut sleeved on the bolt shank.

10. The circular top tube embedded cable assembly support according to claim 9, characterized in that: The portion of the bolt head facing the nut is provided with a groove, and the groove can abut against the groove stop handle of the arc-shaped groove.

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