Protection device for excavation of existing pipeline

Abstract

The utility model relates to the technical field of municipal road construction auxiliary equipment, and particularly discloses a protection device for existing pipeline excavation, a supporting structure comprises a cross rod, a left expansion joint and a right expansion joint; a plurality of first connecting holes are formed in the left side and the right side of the cross rod; the right end of the left telescopic joint is inserted into the left end of the cross rod and is provided with a plurality of second connecting holes; the left end of the right telescopic joint is inserted into the right end of the cross rod and is provided with a plurality of third connecting holes; a bolt penetrates through the first connecting hole and the second connecting hole to fix the left telescopic joint and the cross rod; a bolt penetrates through the third connecting hole and the second connecting hole to fix the right telescopic joint and the cross rod; the hoisting structure is arranged at the lower end of the cross rod; the clamping structure is arranged on the lower portion of the hoisting structure and used for clamping the pipeline. The length of the support is adjusted by arranging the cross rod, the left telescopic joint and the right telescopic joint, so that the support is suitable for openings with different sections and can be used in a plurality of construction environments, and the construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal road construction auxiliary equipment, in particular to a protective device used for excavation of existing pipelines. Background Art

[0002] At present, the scale of urban reconstruction in China is getting larger and larger. Especially in the process of municipal road reconstruction and expansion, it is inevitable to encounter complex underground pipelines. Excavation is carried out during the non-relocation process, which requires necessary protection measures.

[0003] In the traditional or on-site operation process, the pipelines are simply and roughly tied with hanging ropes or wires and then fixed with a carrying pole. This method is usually not strong or easy to cause secondary damage to the protected pipelines.

[0004] Existing protection devices, such as the Chinese patent "Protection Method for Pipelines Excavated Under Temporary Pipelines" with patent number ZL201610251939.4, discloses a solution, a hoisting bracket: the vertical pole and the hanging rod are vertically arranged at both ends of the cross bar, the vertical pole and the cross bar are welded, the upper end of the hanging rod is threadedly connected to the cross bar nut, and the lower end is detachably connected to the bracket, and the diagonal brace is arranged between the cross bar and the vertical pole. However, this device only provides unilateral support. When facing the construction environment of excavating openings of different cross sections, the hoisting structure is difficult to adjust to the pipeline position, and the protection device needs to be reset. Utility Model Content

[0005] The technical problem solved by the utility model is to provide a protective device for excavating existing pipelines, which solves the problem that the hoisting structure is difficult to adjust and difficult to adapt to openings of different sections.

[0006] In order to solve the above technical problems, the technical solutions adopted by the present utility model are as follows:

[0007] A protective device for excavating an existing pipeline, comprising a supporting structure, a hoisting structure and a clamping structure;

[0008] The supporting structure comprises a cross bar, a left telescopic section and a right telescopic section; the cross bar is hollow, and a plurality of first connection holes are arranged on the left and right sides; the right end of the left telescopic section is inserted into the left end of the cross bar, and a plurality of second connection holes are arranged; the left end of the right telescopic section is inserted into the right end of the cross bar, and a plurality of third connection holes are arranged; bolts are passed through the first connection holes and the second connection holes to fix the left telescopic section and the cross bar; bolts are passed through the third connection holes and the second connection holes to fix the right telescopic section and the cross bar;

[0009] A hoisting structure is arranged at the lower end of the crossbar;

[0010] The clamping structure is arranged at the lower part of the lifting structure and is used for clamping the pipeline.

[0011] As a further technical solution of the above solution, the lifting structure includes a lifting lug and a lifting hook; the lifting lug is arranged at the lower end of the cross bar, the upper end of the lifting hook is hung on the lifting lug, and the lower end is connected to the clamping structure.

[0012] As a further technical solution of the above scheme, the clamping structure includes a first transverse clamping rod, a second transverse clamping rod, a first vertical clamping rod and a second vertical clamping rod; the left and right sides of the first transverse clamping rod are provided with long strip adjustment holes, and the second transverse clamping rod has the same structure as the first transverse clamping rod; the first vertical clamping rod is fixed after passing through the long strip adjustment holes on the left sides of the first transverse clamping rod and the second transverse clamping rod respectively; the second vertical clamping rod is fixed after passing through the long strip adjustment holes on the right sides of the first transverse clamping rod and the second transverse clamping rod respectively, so as to adapt to pipelines with different diameters.

[0013] Compared with the prior art, the utility model has the following advantages and beneficial effects: the utility model adjusts the length of the support by setting a cross bar, a left telescopic joint and a right telescopic joint to adapt to openings of different sections formed by excavation, can be used in multiple construction environments, and improves construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the use of the utility model.

[0015] Figure 2 A schematic diagram of the supporting structure.

[0016] Figure 3 It is a structural diagram of the lifting structure.

[0017] Figure 4 It is a schematic diagram of the front view of the clamping structure.

[0018] Figure 5 It is a schematic diagram of the top structure of the first transverse clamping rod.

[0019] The meanings of the numbers in the figure are: cross bar-11; left telescopic section-12; right telescopic section-13; first connecting hole-14; second connecting hole-15; third connecting hole-16; lifting structure-2; lifting ear-21; hook-22; clamping structure-3; first transverse clamping rod-31; second transverse clamping rod-32; first vertical clamping rod-33; second vertical clamping rod-34; long strip adjustment hole-35; pipeline-4. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the accompanying drawings in the embodiments of the utility model, so as to have a further understanding of the concept of the utility model, the technical problems solved, the technical features constituting the technical solutions and the technical effects brought about.

[0021] like Figure 1~Figure 5 As shown, a protective device for excavating an existing pipeline includes a supporting structure, a hoisting structure and a clamping structure;

[0022] The supporting structure includes a cross bar 11, a left telescopic section 12 and a right telescopic section 13; the cross bar 11 is hollow, and a plurality of first connection holes 14 are provided on the left and right sides; the right end of the left telescopic section 12 is inserted into the left end of the cross bar 11, and a plurality of second connection holes 15 are provided; the left end of the right telescopic section 13 is inserted into the right end of the cross bar 11, and a plurality of third connection holes 16 are provided; bolts are used to pass through the first connection holes 14 and the second connection holes 15 to fix the left telescopic section 12 and the cross bar 11; bolts are used to pass through the third connection holes 16 and the second connection holes 15 to fix the right telescopic section 13 and the cross bar 11;

[0023] A hoisting structure 2 is arranged at the lower end of the cross bar 11;

[0024] The clamping structure 3 is arranged at the lower part of the lifting structure 2 and is used for clamping the pipeline 4 .

[0025] When the present invention is used, according to different excavation section openings, a left telescopic joint 12 is set on the left side of the excavation section, and a right telescopic joint 13 is set on the right side, and the left telescopic joint 12 is inserted into the left end of the cross bar 11, and the right telescopic joint 13 is inserted into the right end of the cross bar 11; after adjusting the position, the support structure is fixed by bolts passing through the first connection hole 14 and the second connection hole 15, the third connection hole 16 and the second connection hole 15 respectively; in order to further increase the stability of the device, the left telescopic joint 12 and the right telescopic joint 13 can be connected to the ground with bolts; a left telescopic joint 12 is set at the lower end of the cross bar 11 A hoisting structure 2 is placed, and after the hoisting structure 2 is connected to the clamping structure 3, the clamping structure 3 clamps the protective pipeline 4; after the construction is completed, the clamping structure 3 can be removed to put down the pipeline 4, and at this time, the bolts fixing the left telescopic joint 12 and the cross bar 11, the right telescopic joint 13 and the cross bar 11 are loosened, and the supporting structure can be folded up, which is convenient and quick, and can be directly used during the next construction. In the case of openings with different cross sections, different first connecting holes 14, second connecting holes 15 and third connecting holes 16 can be selected when the cross bar 11 is connected and fixed to the left telescopic joint 12 and the right telescopic joint 13.

[0026] like Figure 3 As shown, as a preferred embodiment, the lifting structure 2 includes a lifting lug 21 and a hook 22; the lifting lug 21 is arranged at the lower end of the cross bar 11, the upper end of the hook 22 is hung on the lifting lug 21, and the lower end is connected to the clamping structure 3. In this embodiment, the lifting lug 21 is arranged at the lower end of the cross bar 11 for lifting, and the hook 22 is used as a connecting piece, the upper end is connected to the lifting lug 21, and the lower end is connected to the clamping structure 3, which is convenient to use and simple to disassemble.

[0027] like Figure 4~Figure 5As shown, as a preferred embodiment, the clamping structure 3 includes a first transverse clamping rod 31, a second transverse clamping rod 32, a first vertical clamping rod 33 and a second vertical clamping rod 34; the left and right sides of the first transverse clamping rod 31 are provided with long strip adjustment holes 35, and the middle part of the first transverse clamping rod 31 is connected to the lifting structure 2; the second transverse clamping rod 32 has the same structure as the first transverse clamping rod 31; the first vertical clamping rod 33 is fixed after passing through the long strip adjustment holes 35 on the left side of the first transverse clamping rod 31 and the second transverse clamping rod 32 respectively; the second vertical clamping rod 34 is fixed after passing through the long strip adjustment holes 35 on the right side of the first transverse clamping rod 31 and the second transverse clamping rod 32 respectively, so as to adapt to pipelines 4 of different diameters. In this embodiment, the width of the pipeline 4 will change during actual construction. During hoisting, the positions of the first vertical clamping rod 33 and the second vertical clamping rod 34 are adjusted according to the width of the pipeline 4. At this time, the first vertical clamping rod 33 and the second vertical clamping rod 34 can be adjusted by selecting different positions when passing through the long strip adjustment hole 35. After fixing, the second transverse clamping rod 32 is installed according to the size of the pipeline 4. The first transverse clamping rod 31 and the second transverse clamping rod 32 clamp the upper and lower ends of the pipeline 4, and the first vertical clamping rod 33 and the second vertical clamping rod 34 clamp the left and right ends of the pipeline 4; after completing the protection, the second transverse clamping rod 32 can be removed to reset the pipeline 4, and then other structures can be removed. For pipelines 4 of different diameters, when setting the first vertical clamping rod 33 and the second vertical clamping rod 34, they can be adjusted in the long strip adjustment hole 35.

[0028] The words “connection” and “fixation” appearing in the description of the present invention may refer to fixed connection, processing and forming, welding, or mechanical connection. The specific meanings of the above terms in the present invention shall be understood according to the specific circumstances.

[0029] In the description of the present invention, the terms "center", "upper", "lower", "horizontal", "inner", "outer", etc., which indicate the orientation or position relationship, are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying a specific orientation that the device or element referred to must have, and therefore cannot be understood as a limitation on the present invention.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in the field should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A protective device for excavating an existing pipeline, characterized in that: Including supporting structure, lifting structure and clamping structure; The support structure comprises a crossbar (11), a left telescopic section (12) and a right telescopic section (13); the crossbar (11) is hollow, and a plurality of first connection holes (14) are provided on the left and right sides; the right end of the left telescopic section (12) is inserted into the left end of the crossbar (11), and a plurality of second connection holes (15) are provided; the left end of the right telescopic section (13) is inserted into the right end of the crossbar (11), and a plurality of third connection holes (16) are provided; bolts are passed through the first connection holes (14) and the second connection holes (15) to fix the left telescopic section (12) and the crossbar (11); bolts are passed through the third connection holes (16) and the second connection holes (15) to fix the right telescopic section (13) and the crossbar (11); A lifting structure (2) is arranged at the lower end of the crossbar (11); The clamping structure (3) is arranged at the lower part of the lifting structure (2) and is used to clamp the pipeline (4).

2. A protection device for excavating an existing pipeline according to claim 1, characterized in that: The lifting structure (2) comprises a lifting lug (21) and a lifting hook (22); the lifting lug (21) is arranged at the lower end of the crossbar (11), the upper end of the lifting hook (22) is suspended on the lifting lug (21), and the lower end is connected to the clamping structure (3).

3. A protection device for excavation of existing pipelines as claimed in claim 1, characterized in that: The clamping structure (3) comprises a first transverse clamping rod (31), a second transverse clamping rod (32), a first vertical clamping rod (33) and a second vertical clamping rod (34); the left and right sides of the first transverse clamping rod (31) are both provided with long strip adjustment holes (35), and the middle part of the first transverse clamping rod (31) is connected to the hoisting structure (2); the second transverse clamping rod (32) has the same structure as the first transverse clamping rod (31); the first vertical clamping rod (33) passes through the long strip adjustment holes (35) on the left sides of the first transverse clamping rod (31) and the second transverse clamping rod (32) respectively and is then fixed; the second vertical clamping rod (34) passes through the long strip adjustment holes (35) on the right sides of the first transverse clamping rod (31) and the second transverse clamping rod (32) respectively and is then fixed, so as to adapt to pipelines (4) of different diameters.

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