Suspension cable type pipeline protection device for large foundation pit construction

Abstract

The utility model relates to a large foundation pit construction suspension cable type pipeline protection device which comprises tower column assemblies, supporting column pier assemblies, suspension cable assemblies, sling assemblies and tie pier column assemblies, and the left ground and the right ground of a foundation pit are each provided with two supporting column pier assemblies and two tie pier column assemblies. Each tower column assembly is fixed between the two corresponding supporting column pier assemblies on the same side. The suspension cable assembly comprises a suspension cable and an inhaul cable, and the suspension cable is installed between the tower column assemblies on the left side and the right side of the foundation pit; the inhaul cables are connected between the corresponding tower column assemblies and the corresponding tie pier column assemblies on the same side of the foundation pit. A plurality of sling assemblies are installed between the front suspension cable and the rear suspension cable and comprise slings, cable clamps, distribution beam lug plates and distribution beams, the distribution beams are connected with the slings through the distribution beam lug plates, and the slings are connected with the suspension cables through the cable clamps. When a foundation pit is constructed, in-situ protection can be carried out on the pipeline, construction in the foundation pit is not affected, the pipeline does not deform greatly, and the influence of construction on the pipeline is controlled to the maximum extent.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a cable-suspended pipeline protection device for large foundation pit construction. Background Art

[0002] In the field of construction, foundation pit is a temporary project, and its function is to provide a space so that the foundation masonry work can be carried out in the position specified by the design.

[0003] During the foundation pit construction process, when there are electricity, gas, telecommunications and other pipelines within the foundation pit construction range and the use of the pipelines cannot be interrupted during the construction process, the pipelines must be protected in situ to avoid damage or interruption of the pipelines, and the pipeline protection plan adopted must not affect the foundation pit construction. Utility Model Content

[0004] The utility model aims to realize in-situ protection of pipelines and provides a cable-suspended pipeline protection device for large foundation pit construction, which can avoid affecting the foundation pit construction and ensure the safety and progress of on-site construction. When the foundation pit area is large, the pipeline with a large span that needs to be protected in-situ will not produce large deformation, thus avoiding the stretching of the flexible pipeline and controlling the impact of the construction on the pipeline to the maximum extent.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A cable suspension type pipeline protection device for large foundation pit construction, comprising a tower assembly, a support column pier assembly, a suspension cable assembly, a sling assembly and a tie pier column assembly, two support column pier assemblies arranged front and back are provided on the left and right ground of the foundation pit, two tie pier column assemblies arranged front and back are provided on the left and right ground of the foundation pit outside the corresponding two support column pier assemblies, and the tower assembly is fixed between the two support column pier assemblies on the same side;

[0007] The suspension cable assembly includes suspension cables and tie cables. Two suspension cables are arranged in front and back. The two suspension cables are installed between the tower column assemblies on the left and right sides of the foundation pit. There are four tie cables in total. A single tie cable is connected between the corresponding tower column assembly and tie pier assembly on the same side of the foundation pit.

[0008] Several sling assemblies are installed between the front and rear suspension cables. The sling assemblies include slings, cable clamps, distribution beam ear plates and distribution beams. The distribution beam of the sling assembly is arranged below the two suspension cables in the front and rear directions. Distribution beam ear plates are arranged at the front and rear ends of the upper surface of the distribution beam. Slings are connected to the distribution beam ear plates. The other end of the sling is connected to the suspension cable through a cable clamp.

[0009] The pipelines are installed on the distribution beams.

[0010] The tower column assembly comprises two round steel tube tower columns, a plurality of round steel tube cross beams are arranged between the two round steel tube tower columns, and two tower column ear plates are symmetrically arranged on the upper end of the outer wall of each round steel tube tower column.

[0011] The supporting column pier assembly comprises a first concrete column pier, a first embedded steel plate is arranged on the top of the first concrete column pier, and the bottom of the round steel pipe tower column of the tower column assembly is fixed on the first embedded steel plate of the supporting column pier assembly.

[0012] The tie-off pier assembly comprises a second concrete pier, a second embedded steel plate is arranged on the top of the second concrete pier, a pier ear plate is fixed on the second embedded steel plate, and the cable is connected between the corresponding tower column ear plate and the pier ear plate.

[0013] The cable clamp includes an upper cable clamp, a cable clamp bolt and a lower cable clamp. The upper cable clamp includes two upper cable clamp side plates, an upper arc plate is provided between the two upper cable clamp side plates, and the lower cable clamp includes two lower cable clamp side plates, a lower arc plate is provided between the two lower cable clamp side plates, and a vertical connecting plate is provided in the middle position of the bottom of the lower arc plate. A circular through hole for the common suspension cable to pass through is formed between the upper arc plate and the lower arc plate. The corresponding upper cable clamp side plates and lower cable clamp side plates are fixedly connected by cable clamp bolts, and a connecting hole is penetrated on the vertical connecting plate, and the upper end of the sling is connected to the connecting hole of the vertical connecting plate of the lower cable clamp.

[0014] Stiffening ring plates are provided on both sides of the connection hole of the vertical connection plate of the lower cable clamp.

[0015] The round steel tube cross beams between the two round steel tube tower columns of the tower column assembly are arranged equidistantly from top to bottom, and there are four round steel tube cross beams in total.

[0016] A plurality of sling assemblies are arranged at equal intervals along the span direction of the suspension cable.

[0017] The distribution beam is an I-shaped structure, and the top elevation of the distribution beam is the same as the bottom elevation of the pipeline.

[0018] The suspension cable is in the shape of an arc parabola, and the stay cable is in the shape of a straight line.

[0019] The beneficial effect of the utility model is that the utility model can perform in-situ protection on the pipeline during foundation pit construction, does not affect the construction inside the foundation pit, and does not cause significant deformation of the pipeline, thereby controlling the impact of the construction on the pipeline to the maximum extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is the front view of the utility model;

[0021] Figure 2 It is a top view of the utility model;

[0022] Figure 3 A schematic diagram of the connection between the upper end of the tower column assembly and the suspension cable assembly;

[0023] Figure 4 A schematic diagram of the connection between the lower end of the tower column assembly and the supporting column pier assembly;

[0024] Figure 5 It is a schematic diagram of the connection between the tie-down pier column assembly and the cable;

[0025] Figure 6 It is a schematic diagram of the connection between the suspension cable and the sling through the cable clamp;

[0026] Figure 7 It is a schematic diagram of the connection between the distribution beam and the sling through the distribution beam ear plate;

[0027] Figure 8 This is the main view of the cable clamp;

[0028] Fig. 9 It is a side view of the cable clamp;

[0029] In the figure: 1-tower assembly; 2-support column assembly; 3-suspension cable assembly; 4-sling assembly; 5-tie pier assembly; 6-foundation pit; 7-pipeline;

[0030] 11- round steel tube tower column; 12- round steel tube cross beam; 13- tower column ear plate;

[0031] 21-first concrete column pier; 22-first embedded steel plate;

[0032] 31-suspension cable; 32-stay cable;

[0033] 41-sling; 42-cable clamp; 43-distribution beam ear plate; 44-distribution beam;

[0034] 421-upper cable clamp; 422-cable clamp bolt; 423-lower cable clamp;

[0035] 51-second concrete column pier; 52-second embedded steel plate; 53-column pier ear plate;

[0036] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0037] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0038] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0040] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0041] A large-scale foundation pit construction suspension cable pipeline protection device, such as Figures 1 to 9 As shown, it includes a tower column assembly 1, a supporting column pier assembly 2, a suspension cable assembly 3, a sling assembly 4 and a tie pier column assembly 5.

[0042] The tower column assembly 1 comprises two round steel tube tower columns 11 , a plurality of round steel tube cross beams 12 are arranged between the two round steel tube tower columns 11 , and two tower column ear plates 13 are symmetrically arranged on the upper end of the outer wall of each round steel tube tower column 11 .

[0043] The supporting column pier assembly 2 comprises a first concrete column pier 21 , a first embedded steel plate 22 is disposed on the top of the first concrete column pier 21 , and the bottom of the round steel pipe tower column 11 of the tower column assembly 1 is fixed on the first embedded steel plate 22 of the supporting column pier assembly 2 .

[0044] The suspension cable assembly 3 includes a suspension cable 31 and a cable 32 .

[0045] The sling assembly 4 includes a sling 41 , a cable clamp 42 , a distribution beam ear plate 43 and a distribution beam 44 .

[0046] The tie-off pier assembly 5 comprises a second concrete pier 51 , a second embedded steel plate 52 is disposed on the top of the second concrete pier 51 , and a pier ear plate 53 is fixed on the second embedded steel plate 52 .

[0047] The left and right ground surfaces of the foundation pit 6 are both provided with two supporting column pier assemblies 2 arranged front and back, and the left and right ground surfaces of the foundation pit 6 are both provided with two tie pier column assemblies 5 arranged front and back on the outside of the corresponding two supporting column pier assemblies 2, and the tower column assembly 1 is fixed between the two supporting column pier assemblies 2 on the same side; two suspension cables 31 are arranged front and back, and the two suspension cables 31 are installed between the tower column assemblies 1 on the left and right sides of the foundation pit 6; there are four cables 32, and a single cable 32 is connected to the corresponding Between the tower column assembly 1 and the tie pier column assembly 5; the cable 32 is connected between the corresponding tower column ear plate 13 and the column pier ear plate 53; a plurality of sling assemblies 4 are installed between the front and rear two suspension cables 31, and the distribution beam 44 of the sling assembly 4 is arranged in the front and rear direction below the two suspension cables 31, and the distribution beam ear plates 43 are arranged at the front and rear ends of the upper surface of the distribution beam 44, and the sling 41 is connected to the distribution beam ear plate 43, and the other end of the sling 41 is connected to the suspension cable 31 through the cable clamp 42; the pipeline 7 is erected on the distribution beam 44.

[0048] The cable clamp 42 includes an upper cable clamp 421, a cable clamp bolt 422 and a lower cable clamp 423. The upper cable clamp 421 includes two upper cable clamp side plates, an upper arc plate is provided between the two upper cable clamp side plates, and the lower cable clamp 423 includes two lower cable clamp side plates, a lower arc plate is provided between the two lower cable clamp side plates, and a vertical connecting plate is provided at the middle position of the bottom of the lower arc plate. A circular through hole for the suspension cable 31 to pass through is formed between the upper arc plate and the lower arc plate. The corresponding upper cable clamp side plates and lower cable clamp side plates are fixedly connected by cable clamp bolts 422. A connecting hole is penetrated on the vertical connecting plate. The upper end of the sling 41 is connected to the connecting hole of the vertical connecting plate of the lower cable clamp 423, and stiffening ring plates are provided on both sides of the connecting hole of the vertical connecting plate of the lower cable clamp 423.

[0049] The round steel tube cross beams 12 between the two round steel tube tower columns 11 of the tower column assembly 1 are arranged equidistantly from top to bottom, and there are four round steel tube cross beams 12 in total.

[0050] A plurality of sling assemblies 4 are arranged at equal intervals along the span direction of the suspension cable 31 .

[0051] The distribution beam 44 is an I-shaped structure, and the top elevation of the distribution beam 44 is the same as the bottom elevation of the pipeline 7 .

[0052] The suspension cable 31 is in an arc-shaped parabola, and the stay cable 32 is in a straight line.

[0053] Specific:

[0054] Two supporting column pier assemblies 2 and two tie pier column assemblies 5 are arranged on the ground on the left and right sides of the foundation pit 6 respectively. The connecting line of the centers of the two supporting column pier assemblies 2 and the two tie pier column assemblies 5 arranged on the same side forms a rectangle. The left and right sides of the rectangle are parallel to the edge line of the foundation pit 6, and the front and back sides are perpendicular to the edge line of the foundation pit 6. The first embedded steel plate 22 is installed on the first concrete pier 21, and the tower column assembly 1 is welded and installed on the first embedded steel plate 22. The second concrete pier 51 is installed with a second embedded steel plate 52, and the pier ear plate 53 is welded and installed on the second embedded steel plate 52.

[0055] A tower column assembly 1 includes two round steel tube tower columns 11, four round steel tube cross beams 12 and four tower column ear plates 13, wherein the two round steel tube tower columns 11 are vertically installed on two supporting column pier assemblies 2, the four round steel tube cross beams 12 are horizontally arranged and welded between the two round steel tube tower columns 11, and the four steel tube cross beams 12 are equidistantly arranged along the height direction of the steel tube tower columns 11; the four tower column ear plates 13 are welded and installed on the upper ends of the outer walls of the two round steel tube tower columns 11, and two tower column ear plates 13 are installed on the upper end of the outer wall of each round steel tube tower column 11, and the plane where the two tower column ear plates 13 are located is perpendicular to the edge line of the foundation pit 6.

[0056] The cable assembly 3 includes two suspension cables 31 and four stay cables 32. The two suspension cables 31 are arranged in parallel. The single suspension cables 31 are respectively connected to the tower ear plates 13 corresponding to the tower column assemblies 1 on both sides of the foundation pit 6. The two suspension cables 31 are in the same parabolic shape. On the same side of the foundation pit 6, the stay cables 32 are connected between the tower ear plates 13 and the pier ear plates 53 of the tower column assembly 1. The two stay cables 32 on the same side of the foundation pit 6 are parallel to each other and are both straight. The stay cables 32 and the suspension cables 31 are coplanar, and the projections of the stay cables 32 and the suspension cables 31 on the plane are parallel to the projection of the pipeline 7 on the plane.

[0057] The sling assembly 4 includes a sling 41, a cable clamp 42, a distribution beam ear plate 43 and a distribution beam 44. The slings 41 are vertically arranged above the foundation pit 6. The upper ends of the slings 41 are fixed to the suspension cables 31 through the cable clamps 42, and the lower ends are connected to the distribution beam ear plates 43. The distribution beam ear plates 43 are welded and fixed to the ends of the distribution beams 44.

[0058] The cables 41 fixed on the suspension cable 31 are arranged at equal intervals along the span direction of the suspension cable 31. The two ends of the same distribution beam 44 are connected to the lower end of the suspension cable 41 through two distribution beam ear plates 43 respectively. The axis of the distribution beam 44 is on the horizontal line and is perpendicular to the projection of the suspension cable 31 on the plane. The distribution beams 44 are arranged at equal intervals along the span direction of the suspension cable 31. The top elevation of the distribution beam 44 is the same as the bottom elevation of the pipeline 6. The pipeline 6 is placed on the distribution beams 44 arranged at equal intervals.

[0059] The utility model scientifically and rationally transfers the load of the pipeline 7 to the sling 41 through the distribution beam 44, transfers it to the suspension cable 31 through the sling 41, and transfers it to the tower column assembly 1 through the suspension cable 31; during the construction of the foundation pit 6, the pipeline 7 can be protected in situ without affecting the construction inside the foundation pit 6, and the pipeline 7 will not produce a large deformation, thereby controlling the impact of the construction on the pipeline 7 to the maximum extent.

[0060] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or it is directly applied to other occasions without improvement, it is within the protection scope of the utility model.

Claims

1. A cable-suspended pipeline protection device for large foundation pit construction, characterized in that: The invention comprises a tower column assembly (1), a supporting column pier assembly (2), a suspension cable assembly (3), a sling assembly (4) and a tie column pier assembly (5); two supporting column pier assemblies (2) arranged in front of and behind are provided on the left side ground and the right side ground of the foundation pit (6); two tie column pier assemblies (5) arranged in front of and behind are provided on the outside of the corresponding two supporting column pier assemblies (2) on the left side ground and the right side ground of the foundation pit (6); and the tower column assembly (1) is fixed between the two supporting column pier assemblies (2) on the same side; The suspension cable assembly (3) comprises a suspension cable (31) and a tension cable (32). Two suspension cables (31) are arranged front and rear, and the two suspension cables (31) are installed between the tower column assemblies (1) on the left and right sides of the foundation pit (6). There are four tension cables (32) in total, and a single tension cable (32) is connected between the corresponding tower column assembly (1) and the tie pier assembly (5) on the same side of the foundation pit (6). A plurality of sling assemblies (4) are installed between the front and rear two suspension cables (31), the sling assemblies (4) comprising slings (41), a cable clamp (42), a distribution beam ear plate (43) and a distribution beam (44), the distribution beam (44) of the sling assemblies (4) being arranged below the two suspension cables (31) in the front-rear direction, the distribution beam ear plates (43) being arranged at the front and rear ends of the upper surface of the distribution beam (44), the distribution beam ear plates (43) being connected to the slings (41), and the other end of the slings (41) being connected to the suspension cables (31) via the cable clamp (42); The pipeline (7) is installed on the distribution beam (44).

2. A large-scale foundation pit construction suspension cable pipeline protection device according to claim 1, characterized in that: The tower column assembly (1) comprises two round steel tube tower columns (11), a plurality of round steel tube cross beams (12) are arranged between the two round steel tube tower columns (11), and two tower column ear plates (13) are symmetrically arranged at the upper end of the outer wall of each round steel tube tower column (11).

3. A large-scale foundation pit construction suspension cable pipeline protection device according to claim 2, characterized in that: The supporting column pier assembly (2) comprises a first concrete column pier (21), a first embedded steel plate (22) is provided on the top of the first concrete column pier (21), and the bottom of the round steel pipe tower column (11) of the tower column assembly (1) is fixed on the first embedded steel plate (22) of the supporting column pier assembly (2).

4. A large-scale foundation pit construction suspension cable pipeline protection device according to claim 3, characterized in that: The tie-off pier assembly (5) comprises a second concrete pier (51), a second embedded steel plate (52) is provided on the top of the second concrete pier (51), a pier ear plate (53) is fixed on the second embedded steel plate (52), and a cable (32) is connected between the corresponding tower column ear plate (13) and the pier ear plate (53).

5. A large-scale foundation pit construction suspension cable pipeline protection device according to claim 4, characterized in that: The cable clamp (42) comprises an upper cable clamp (421), a cable clamp bolt (422) and a lower cable clamp (423), wherein the upper cable clamp (421) comprises two upper cable clamp side plates, an upper arc plate is arranged between the two upper cable clamp side plates, and the lower cable clamp (423) comprises two lower cable clamp side plates, a lower arc plate is arranged between the two lower cable clamp side plates, and a vertical connecting plate is arranged at the middle position of the bottom of the lower arc plate, a circular through hole for the suspension cable (31) to pass through is formed between the upper arc plate and the lower arc plate, the corresponding upper cable clamp side plates and the lower cable clamp side plates are fixedly connected by the cable clamp bolt (422), a connecting hole is penetrated on the vertical connecting plate, and the upper end of the sling (41) is connected to the connecting hole of the vertical connecting plate of the lower cable clamp (423).

6. A large-scale foundation pit construction suspension cable pipeline protection device according to claim 5, characterized in that: Stiffening ring plates are provided on both sides of the connection hole of the vertical connection plate of the lower cable clamp (423).

7. A large-scale foundation pit construction suspension cable pipeline protection device according to claim 6, characterized in that: The round steel tube cross beams (12) between the two round steel tube tower columns (11) of the tower column assembly (1) are arranged at equal distances from top to bottom, and there are four round steel tube cross beams (12) in total.

8. A large-scale foundation pit construction suspension cable pipeline protection device according to claim 7, characterized in that: A plurality of sling assemblies (4) are arranged at equal intervals along the span direction of the suspension cable (31).

9. A large-scale foundation pit construction suspension cable pipeline protection device according to claim 8, characterized in that: The distribution beam (44) is an I-shaped structure, and the top elevation of the distribution beam (44) is the same as the bottom elevation of the pipeline (7).

10. A cable-suspended pipeline protection device for large foundation pit construction according to claim 9, characterized in that: The suspension cable (31) is in an arc-shaped parabola shape, and the stay cable (32) is in a straight line shape.

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