Adjustable support for dragging and erecting pipeline in narrow space

Abstract

The utility model discloses an adjustable support for dragging and erecting a pipeline in a narrow space, which comprises horizontally arranged support angle steel, inclined strut angle steel with an inclined angle is welded at the middle section of the bottom of the support angle steel, an upper steel plate is welded at one end of the support angle steel, and a lower steel plate is welded at the lower inclined end of the inclined strut angle steel. The upper steel plate and the lower steel plate are located in the same vertical direction and fixedly installed on the side wall of a bridge abutment in an attached mode, two linear open holes are formed in the horizontal section of the upper portion of the supporting angle steel in the length direction of the supporting angle steel, and the two linear open holes are close to the two ends of the supporting angle steel respectively. The pipe clamp can be suitable for the conditions that mechanical operation cannot be used in a narrow space and the whole section of pipeline needs to be laid integrally, protection can be achieved when the pipeline is dragged and after installation is completed by changing the installation position of the pipe clamp, two purposes are achieved through one object, the utilization rate is increased, materials and manufacturing cost are saved, and dragging operation safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to municipal construction technical field, concretely is a kind of adjustable support for pipeline drag and pull erection in narrow space. BACKGROUND

[0002] At present, in the construction of municipal pipeline overhead laying, when needing to pass under existing bridge and needing to segmentally erect and connect pipeline, in this case, generally, fixed support is installed on the side wall of bridge abutment, pipeline is segmentally erected and installed, then connected, and finally, the whole section of pipeline is fixed and protected. However, the support is only suitable for light-weight pipeline or pipeline that can be connected in segments on the support. For some large-diameter PE pipes that need to be hot melt welded, there is no working space for hot melt welding, and the quality of hot melt welding cannot be guaranteed when overhead, which cannot meet the mode of whole-section pipeline erection.

[0003] Therefore, the utility model provides a kind of adjustable support for pipeline drag and pull erection in narrow space to solve the problems raised in the above. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] Therefore, the utility model aims to provide an adjustable support for pipeline drag and pull erection in narrow space to solve the problems raised in the above background art, i.e., the existing support is only suitable for light-weight pipeline or pipeline that can be connected in segments on the support. For some large-diameter PE pipes that need to be hot melt welded, there is no working space for hot melt welding, and the quality of hot melt welding cannot be guaranteed when overhead, which cannot meet the mode of whole-section pipeline erection.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an adjustable support for pipeline drag and pull erection in narrow space, comprising a horizontally arranged support angle steel, an inclined angle brace angle steel is welded to the middle section of the bottom of the support angle steel, an upper steel plate is welded to one end of the support angle steel, a lower steel plate is welded to the lower inclined end of the brace angle steel, the upper steel plate and the lower steel plate are located on the same vertical line and are fixedly installed on the side wall of the abutment, two straight line holes are formed in the length direction of the upper part of the support angle steel, the two straight line holes are respectively close to the two ends of the support angle steel, the upper part of the support angle steel further has a pipe clamp for clamping and fixing the pipeline, the two free ends of the bottom of the pipe clamp are vertically inserted into the corresponding straight line holes, and are fixed at any position in the stroke direction of the straight line hole by a locking member.

[0007] As a kind of adjustable support for the utility model described in a kind of pipe dragging erection in narrow space, wherein, the upper steel plate, lower steel plate and abutment sidewall are drilled in advance, and the hole diameter is 22mm, the upper steel plate and lower steel plate are fixedly connected with the abutment sidewall by the expansion bolt.

[0008] As a kind of adjustable support for the utility model described in a kind of pipe dragging erection in narrow space, wherein, the pipe clamp adopts φ20 round steel, and the unfolded length is 1385mm, and the inner bending diameter of pipe clamp is greater than the outer diameter of the pipe to be installed and fixed.

[0009] As a kind of adjustable support for the utility model described in a kind of pipe dragging erection in narrow space, wherein, the two free ends of the pipe clamp bottom are threaded with external thread, and the external thread is at least 120mm, and the upper and lower faces of the straight hole are respectively abutted with adjusting nuts threaded on the outer side of the external thread.

[0010] As a kind of adjustable support for the utility model described in a kind of pipe dragging erection in narrow space, wherein, the upper steel plate adopts 280x280mm steel plate with a thickness of 10mm, and the lower steel plate adopts 150x280mm steel plate with a thickness of 10mm.

[0011] As a kind of adjustable support for the utility model described in a kind of pipe dragging erection in narrow space, wherein, the support angle steel adopts L90x8mm angle steel with a length of 690mm, and the inclined bracing angle steel adopts L90x8mm angle steel with a length of 509mm.

[0012] Compared with the prior art, the adjustable support for pipe dragging erection in narrow space has the advantages of simple manufacturing, good practicability, applicability to situations where mechanical operation cannot be used in narrow space and whole pipe laying is required, protection of pipe during dragging and after installation by changing the installation position of pipe clamp, one object with two uses, improved utilization rate, material and manufacturing cost saving, improved dragging operation safety, spacing adjustment between pipe clamp and pipe by adjusting nut to ensure a certain expansion amount of pressure pipe, flexible installation, stable quality and safety compared with traditional pipe support. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the overall installation structure schematic diagram of the utility model;

[0014] Fig. 2 It is the support angle steel structure schematic diagram of the utility model;

[0015] Fig. 3 It is the structure schematic diagram of the unfolded face of the upper steel plate and the lower steel plate of the utility model.

[0016] In the figure: 100, support angle steel; 1001, straight opening; 200, inclined support angle steel; 300, upper steel plate; 400, lower steel plate; 500, expansion bolt; 600, pipe clamp; 6001, external thread; 700, adjusting nut. DETAILED DESCRIPTION

[0017] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0018] Secondly, the utility model is described in detail in combination with the schematic diagram, and in the detailed description of the utility model embodiments, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model here. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0020] Figs. 1-3 The whole structure schematic diagram of the adjustable support for pipeline dragging and erecting in narrow space is shown, please refer to Figs. 1-3 The adjustable support for pipeline dragging and erecting in narrow space in the embodiment comprises a horizontally arranged support angle steel 100, an inclined support angle steel 200 with an inclined angle is welded to the middle section of the bottom of the support angle steel 100, an upper steel plate 300 is welded to one end of the support angle steel 100, a lower steel plate 400 is welded to the lower inclined end of the inclined support angle steel 200, the upper steel plate 300 and the lower steel plate 400 are located on the same vertical and are respectively adhered and fixedly installed on the side wall of the abutment, two straight openings 1001 are arranged on the upper horizontal section of the support angle steel 100 along the length direction, the two straight openings 1001 are respectively close to the two ends of the support angle steel 100, the upper horizontal section of the support angle steel 100 further has a pipe clamp 600 for clamping and fixing the pipeline, the two free ends of the bottom of the pipe clamp 600 are vertically arranged in the corresponding straight openings 1001 and are fixed to the straight openings 1001 in the stroke direction at any position through locking pieces.

[0021] The upper steel plate 300 and the lower steel plate 400 are pre-drilled on the abutment sidewall, and the diameter of the hole is 22 mm. The upper steel plate 300 and the lower steel plate 400 are fixedly connected with the abutment sidewall through the expansion bolt 500. By using the expansion bolt 500 to fix the upper steel plate 300 and the lower steel plate 400 on the abutment sidewall, the stress area can be increased, and the force can be transmitted to the abutment, so as to achieve the effect of strengthening the fixed support angle steel 100 and the inclined support angle steel 200. Of course, in actual use, the expansion bolt 500 is matched with a gasket, and the gasket can be a market finished product gasket, such as a standard type gasket with an inner diameter of 21 mm. The pipe clamp 600 is made of φ20 round steel, and the unfolded length is 1385 mm. At the same time, the inner bending diameter of the pipe clamp 600 is greater than the outer diameter of the pipeline to be installed and fixed. The two free ends of the bottom of the pipe clamp 600 are threaded with external threads 600, and the external threads 600 are at least 120 mm. The upper and lower surfaces of the straight hole 1001 are respectively abutted with the adjusting nuts 700 threaded on the outer side of the external threads 600. After the pipe clamp 600 passes through the support angle steel 100, the pipe clamp 600 can be adjusted and installed in the straight hole 1001 of the support angle steel 100. The pipe clamp 600 is fixed to the support angle steel 100 through the adjusting nuts 700, mainly playing a role in fixing the pipeline. When the pipeline is dragged and erected as a whole, the pipe clamp 600 is reversely installed on the support angle steel 100 through the adjusting nuts 700, which can play a role in supporting and blocking, ensuring the safety of the dragging operation. The pipe clamp 600 is adjusted and fixed through the upper and lower adjusting nuts 700, so that it can be adjusted in elevation, avoiding the local high-low fluctuation of the pipeline after the pipeline is dragged and erected, and avoiding the installation of the pipe clamp.

[0022] The upper steel plate 300 is made of a steel plate with a size of 280x280 mm and a thickness of 10 mm, and the lower steel plate 400 is made of a steel plate with a size of 150x280 mm and a thickness of 10 mm. The support angle steel 100 is made of an angle steel with a size of L90x8 mm and a length of 690 mm, and the inclined support angle steel 200 is made of an angle steel with a size of L90x8 mm and a length of 509 mm. It can be understood that the support angle steel 100 and the inclined support angle steel 200 are both made of market finished product angle steel, and the type is determined according to the calculation of the load bearing. For example, in the embodiment, the above-mentioned standard can meet the installation bearing demand of most large-diameter PE pipes at present.

[0023] In summary, the adjustable support for pipeline dragging erection in narrow space of the embodiment is directly pasted on the specified abutment sidewall after being welded in advance during installation, at which time the holes are directly drilled on the abutment sidewall, then the upper steel plate 300 and the lower steel plate 400 are punched into the holes and fixed on the sidewall by using the expansion bolts 500, the pipe clamp 600 is reversely installed in the straight opening 1001 of the support angle steel 100 and the upper and lower adjusting nuts 700 are tightened, serving as the stop rod during dragging, improving the dragging safety, then after the whole section is welded after being passed through the pipeline ground, the pipeline is integrally dragged and erected on the support angle steel 100 from the side under the bridge, after the whole section pipeline is dragged, the straightness of the pipeline is adjusted to ensure that the pipeline is located between the two openings, the pipe clamp 600 is removed and reinstalled in the two straight openings 1001, the reserved spacing with the outer diameter of the pipeline is adjusted and the upper and lower adjusting nuts 700 are fixed, thereby completing the dragging erection and positioning adjustment of the pipeline; in summary, the adjustable support is simple in manufacture and good in practicability, can be applied to the situation that mechanical operation cannot be used under narrow space and the whole section pipeline needs to be integrally laid, can realize the protection of the pipeline during dragging and after installation by changing the installation position of the pipe clamp 600, realizes one object with two uses, improves the utilization rate, saves materials and manufacturing cost, improves the dragging operation safety, the spacing between the pipe clamp 600 and the pipeline can be adjusted by the adjusting nut 700, the pressure pipeline has a certain expansion amount, compared with the traditional pipeline support, the device is more flexible in installation, stable in quality and safer.

[0024] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the disclosed embodiments of the utility model can be combined with each other in any way, and the combinations are not exhaustively described in the specification only for the consideration of omitting the length and saving resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An adjustable support for pipe dragging and erecting in a narrow space, characterized in that, The utility model provides a kind of bridge support structure, including horizontally arranged support angle steel (100), the inclined angle bracing angle steel (200) is welded in the bottom middle section of the support angle steel (100), the upper steel plate (300) is welded in one end of the support angle steel (100), the lower steel plate (400) is welded in the lower inclined end of the bracing angle steel (200), the upper steel plate (300) and lower steel plate (400) are located in the same vertical and respectively adhere to fixed installation on abutment side wall, two linear openings (1001) are opened in the length direction of the upper part of the support angle steel (100), two linear openings (1001) are respectively close to the two ends of support angle steel (100), the support angle steel (100) upper part is further provided with pipe clamp (600) for clamping fixed pipeline, the two free ends of the bottom of pipe clamp (600) are vertically arranged in corresponding linear opening (1001), and are fixed in the linear opening (1001) stroke direction by locking member in any position.

2. The adjustable bracket for pipe dragging and erecting in narrow space according to claim 1, characterized in that: The upper steel plate (300), the lower steel plate (400) and the abutment side wall are pre-drilled, and the diameter of the drilled hole is 22mm, the upper steel plate (300) and the lower steel plate (400) are fixedly connected with the abutment side wall by the expansion bolts (500).

3. The adjustable bracket for pipe dragging and erecting in narrow space according to claim 1, characterized in that: The pipe clamp (600) is made of φ20 round steel, and the unfolded length is 1385mm, and the inner bending diameter of the pipe clamp (600) is greater than the outer diameter of the pipeline to be installed.

4. The adjustable bracket for pipe dragging and erecting in narrow space according to claim 1, characterized in that: The two free ends of the bottom of the pipe clamp (600) are threaded with external thread (6001), and the external thread (6001) is at least 120mm, and the upper and lower surfaces of the linear opening (1001) are respectively abutted with adjusting nut (700) threaded on the outside of the external thread (6001).

5. The adjustable bracket for pipe dragging and erecting in narrow space according to claim 1, characterized in that: The upper steel plate (300) is made of 280x280mm steel plate with a thickness of 10mm, and the lower steel plate (400) is made of 150x280mm steel plate with a thickness of 10mm.

6. The adjustable bracket for pipe dragging and erecting in narrow space according to claim 1, characterized in that: The support angle steel (100) is made of L90x8mm angle steel with a length of 690mm, and the bracing angle steel (200) is made of L90x8mm angle steel with a length of 509mm.

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