CN213390438U

CN213390438U - Construction device for horsewell

Info

Publication number: CN213390438U
Application number: CN202022286300.4U
Authority: CN
Inventors: 钟碧嫄; 洪汉江; 陈忠章; 林俊翔; 郭小东; 李国骏; 麦宇博; 潘冬; 周成
Original assignee: Guangzhou Municipal Group Co ltd
Current assignee: Guangzhou Municipal Group Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-06-08
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses a horse riding well construction device belongs to the construction equipment field, including steel bushing concrete pipe, rectangle box hat and interior wall of a well mould. The bottom of the rectangular steel shell is welded with the steel sleeve concrete pipe, the opening is communicated with the rectangular steel shell, and a plurality of anchor bars are welded on the inner side of the rectangular steel shell. And a square well is poured between the rectangular steel shell and the inner well wall mold, and the bottom of the steel sleeve concrete pipe is subjected to grouting reinforcement. And fine stone concrete for reinforcing and leakage prevention is poured at the joint of the steel sleeve concrete pipe and the square well. The grouting provides sufficient support for the steel sleeve concrete pipe, avoids the phenomena of pipeline settlement, deviation and the like in the construction process, and improves the construction effect. Meanwhile, fine aggregate concrete is arranged at the joint of the rectangular steel shell and the steel sleeve concrete pipe for filling and sealing, so that a connecting gap between the rectangular steel shell and the steel sleeve concrete pipe is fully sealed, the leakage is not easy to occur, the waterproof performance is also improved, and the engineering quality of the riding well is obviously improved.

Description

Construction device for horsewell

Technical Field

The utility model relates to a construction equipment field, more specifically relates to a well construction equipment rides on horse.

Background

With the development of urban modern construction, the construction of sewage pipelines becomes more and more important. In the construction of sewage pipelines, the long-distance pipe-jacking construction technology is widely applied. In the process of pipe jacking construction, an inspection well for maintenance needs to be arranged along the pipe jacking, and the inspection well directly rides on a pipeline, so that the inspection well is also called a horse riding well. At present, the horse riding well mainly adopts construction modes such as supporting excavation and dado well construction. When the support excavation construction is carried out, the excavation working face is large, the underground water is easily influenced, the engineering quantity is large, the cost is high, the period is long, and in the construction process, the phenomena of sedimentation and deviation are easily caused, so that the leakage is caused. When the dado well is constructed, follow-up procedure construction can be carried out after the concrete strength reaches a certain strength, so that the construction period is long, a gap between a pipeline and the horseback well is not sealed enough, leakage is easy to occur, and the waterproof performance is not high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a horse riding well construction device is provided, the condition of skew is subsided easily when it can solve traditional horse riding well and use, and the gap that simultaneously can also make the pipeline and ride between the horse riding well is inseparabler, improves waterproof performance.

In order to realize the goal, the utility model adopts the following technical scheme:

the utility model provides a horse riding well construction device, including steel bushing concrete pipe, rectangle box hat and interior wall of a well mould. The steel sleeve concrete pipe is perpendicular to the rectangular steel shell, an opening is formed in the top of the steel sleeve concrete pipe, the bottom of the rectangular steel shell is welded with the steel sleeve concrete pipe, the opening is communicated with the rectangular steel shell, a plurality of anchor bars are welded on the inner side of the rectangular steel shell, and the inner well wall mold is fixed on the anchor bars. And a square well is poured between the rectangular steel shell and the inner well wall mold, and the bottom of the steel sleeve concrete pipe is subjected to grouting reinforcement. And fine aggregate concrete for reinforcing and leakage prevention is poured at the joint of the steel sleeve concrete pipe and the square well.

The utility model discloses in the technical scheme of preferred, the welding has the steel sheet on the steel bushing concrete pipe, the steel sheet embedding in the rectangle box hat with rectangle box hat fixed connection.

The utility model discloses among the technical scheme of preferred, the construction equipment of horse-riding well is still including the lid seat basis that is used for preventing subsiding, lid seat basis set up in the upper end of square shaft, lid seat basis with the junction of square shaft is provided with oily hemp filler caulking.

The utility model discloses among the technical scheme of preferred, well construction equipment still includes apron and lid seat on horse, lid seat basis sets up under the road surface, is provided with on the road surface and holds the recess of apron, the apron with the lid seat inlay in on the recess, the lid seat with the pitch caulking has been pour to the junction of recess.

The utility model discloses in the technical scheme of preferred, the construction equipment of horse-riding well still prevents weighing down the net including, prevent weighing down the net and be fixed in on the interior wall of a well mould.

The utility model discloses among the technical scheme of preferred, the construction equipment of horse-riding well is still including the hanging lamp that is used for the construction illumination, the hanging lamp hang in on the interior wall of a well mould.

The utility model has the advantages that:

the utility model provides a pair of horse-riding well construction equipment adopts the slip casting to consolidate through the bottom at steel bushing concrete pipe, provides sufficient support for steel bushing concrete pipe, avoids appearing phenomenons such as pipeline subsides, skew in the in-process of construction, improves the effect of construction. Meanwhile, fine aggregate concrete is arranged at the joint of the rectangular steel shell and the steel sleeve concrete pipe for filling and sealing, so that a connecting gap between the rectangular steel shell and the steel sleeve concrete pipe is fully sealed, the leakage is not easy to occur, the waterproof performance is also improved, and the engineering quality of the riding well is obviously improved.

Drawings

FIG. 1 is a schematic structural view of a construction device for a horse riding well according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a cover-seat foundation in a horse-riding well construction device according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a steel casing concrete pipe in the construction device for the saddle-riding well according to the embodiment of the present invention;

fig. 4 is a schematic perspective view of a construction device for a horse riding well according to an embodiment of the present invention.

In the figure:

1. the method comprises the following steps of steel-sheathed concrete pipe 11, hole opening 12, grouting reinforcement 2, rectangular steel shell 21, anchor bars 22, inner well wall mold 23, square well 24, fine aggregate concrete 25, steel plate 31, anti-falling net 32, hanging lamp 41, cover base foundation 42, oil-immersed hemp thread caulking 43, pavement 44, cover base 45, asphalt caulking 46 and cover plate.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 4, the embodiment provides a riding well construction device, which comprises a steel casing concrete pipe 1, a rectangular steel casing 2 and an inner well wall mould 22. The steel reinforced concrete pipe 1 and the rectangular steel shell 2 are arranged perpendicularly, the top of the steel reinforced concrete pipe 1 is provided with an opening 11, the bottom of the rectangular steel shell 2 is welded with the steel reinforced concrete pipe 1, the opening 11 is communicated with the rectangular steel shell 2, a plurality of anchor bars 21 are welded on the inner side of the rectangular steel shell 2, and the inner well wall mold 22 is fixed on the anchor bars 21. And a square well 23 is poured between the rectangular steel shell 2 and the inner well wall mold 22, and the bottom of the steel sleeve concrete pipe 1 is grouted and reinforced 12. And fine stone concrete 24 for reinforcing and leakage prevention is poured at the joint of the steel casing concrete pipe 1 and the square well 23, and the fine stone concrete 24 is positioned on the inner side of the rectangular steel casing 2.

And after the pipe jacking construction is run through, the grouting device is driven to go deep into the bottom of the pipe jacking, and grouting reinforcement 12 is performed on the bottom of the pipe jacking by adopting a grouting process. The grouting surface is determined according to the bottom surface area of the steel sleeve concrete pipe 1, the plane size of the grouting reinforcement 12 in the embodiment is 6m × 3.03m, and after the pouring is finished, sufficient support is provided for the bottom of the steel sleeve concrete pipe 1, so that the phenomenon that the pipeline is torn due to settlement or deviation is avoided. Then, the rectangular steel shell 2 is sunk underground by adopting a construction method of digging and sinking, and the construction method of digging and sinking is detailed in that soil layers are gradually thinned towards the direction of the blade feet in a layered mode in sequence, the soil layers are cut by 5-15cm each time, and when soil ridges cannot block the extrusion of the bottom of the steel shell and are broken, the steel shell breaks the soil and sinks under the action of self weight. When the sinking coefficient is low, thixotropic slurry needs to be injected between the outer wall of the rectangular steel shell 2 and the soil wall to reduce sinking friction. When the rectangular steel shell 2 is connected with the steel sleeve concrete pipe 1, the rectangular steel shell and the steel sleeve concrete pipe are fixed by adopting a welding mode. After the fixing is completed, a hole 11 is opened in the steel casing concrete pipe 1. Welding the anchor bars 21 into the rectangular steel shell 2, arranging an inner well wall mold 22 on the anchor bars 21, pouring concrete between the inner well wall mold 22 and the rectangular steel shell 2, forming a square well 23 after the concrete is dried and formed, and removing the inner well wall mold 22. The fine aggregate concrete 24 is poured between the square well 23 and the steel casing concrete pipe 1 for filling, and the C30 fine aggregate concrete 24 is adopted in the embodiment, so that gaps between the square well 23 and the steel casing concrete pipe 1 can be fully sealed, the possibility of leakage is reduced, the waterproof performance between the square well 23 and a pipeline is improved, and the construction quality of the horse riding well is improved.

In an embodiment of the present invention, the steel plate 25 is welded on the steel reinforced concrete pipe 1, and the steel plate 25 is embedded in the rectangular steel shell 2 and is fixedly connected with the rectangular steel shell 2. The steel plate 25 is used for strengthening the connection between the steel casing concrete and the rectangular steel shell 2, the size of the steel plate 25 is configured to be 100 x 12mm in the embodiment, the height of a welding seam is 10mm, so that the steel shell and the pipe joint are tightly combined and connected into a whole, and the deviation of the steel shell and the pipe joint is avoided.

The utility model discloses an embodiment, horse riding well construction equipment still sets up in the upper end of square well 23 including being used for preventing the lid seat basis 41 that subsides, lid seat basis 41, and the junction of lid seat basis 41 and square well 23 is provided with oily hemp caulking 42. The cover base 41 is arranged on the road surface and connected with the square well 23, on one hand, provides tension for the rectangular steel shell 2, prevents the rectangular steel shell from settling, and on the other hand, can provide support for mounting the cover base 44. The oil-impregnated hemp thread caulk 42 has high strength and hardness, high elastic limit and fatigue limit, and can provide support for buffering between the two.

The utility model discloses an embodiment, horse-riding well construction equipment still includes apron 46 and lid seat 44, and lid seat basis 41 sets up under road surface 43, is provided with the recess that holds apron 46 on road surface 43, and apron 46 inlays on the recess with lid seat 44, and pitch caulking 45 has been pour with the junction of recess to lid seat 44. In the embodiment, before the cover base 44 is installed, 1:2 cement mortar with the thickness of 25mm is firstly smeared on the top of the cover base foundation 41, and the periphery of the cover base foundation is firmly embedded by 1:2 cement mortar. And (3) mounting a cover plate 46, before mounting, smearing cement mortar with the thickness of 15mm in a ratio of 1:2 in the groove, after elevation correction, firmly embedding the cover seat 44 by using C20 fine stone concrete 24, and pouring a gap between the cover seat 44 and the groove by using asphalt caulking 45.

In an embodiment of the utility model, the construction device for the horse riding well further comprises an anti-falling net 31, and the anti-falling net 31 is fixed on the inner well wall mold 22. The anti-falling net 31 is made of a nylon net with certain elasticity, and if the anti-falling net 31 falls accidentally during construction, a falling person can be caught by the anti-falling net to prevent falling injury.

The utility model discloses an embodiment, horse riding well construction equipment is still including the hanging lamp 32 that is used for the construction illumination, is provided with the couple on the interior wall of a well mould 22, hangs on the couple of lamp 32 on interior wall of a well mould 22. The underground illumination condition is poor, and the light provides the illumination for the personnel of riding in the horse well construction, conveniently carries out the construction.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a construction equipment of horse-riding well which characterized in that: comprises a steel sleeve concrete pipe (1), a rectangular steel shell (2) and an inner well wall mould (22);

the steel-sheathed concrete pipe (1) is perpendicular to the rectangular steel shell (2), the top of the steel-sheathed concrete pipe (1) is provided with an opening (11), the bottom of the rectangular steel shell (2) is welded with the steel-sheathed concrete pipe (1), the opening (11) is communicated with the rectangular steel shell (2), a plurality of anchor bars (21) are welded on the inner side of the rectangular steel shell (2), and the inner well wall mold (22) is fixed on the anchor bars (21); a square well (23) is poured between the rectangular steel shell (2) and the inner well wall mold (22), and the bottom of the steel sleeve concrete pipe (1) is reinforced by grouting (12); and fine aggregate concrete (24) for reinforcing and leakage prevention is poured at the joint of the steel sleeve concrete pipe (1) and the square well (23).

2. The horse-riding well construction device according to claim 1, wherein:

the steel casing concrete pipe (1) is welded with a steel plate (25), and the steel plate (25) is embedded into the rectangular steel casing (2) and fixedly connected with the rectangular steel casing (2).

3. The horse-riding well construction device according to claim 1, wherein:

still including being used for preventing the lid seat basis (41) that subsides, lid seat basis (41) set up in the upper end of square shaft (23), lid seat basis (41) with the junction of square shaft (23) is provided with oily hemp silk caulking (42).

4. A horse-riding well construction device according to claim 3, wherein:

still include apron (46) and lid seat (44), lid seat basis (41) set up under road surface (43), are provided with on road surface (43) and hold the recess of apron (46), apron (46) with lid seat (44) inlay in on the recess, lid seat (44) with pitch caulking (45) have been pour to the junction of recess.

5. The horse-riding well construction device according to claim 1, wherein:

still include and prevent weighing down net (31), prevent weighing down net (31) and be fixed in on interior wall of a well mould (22).

6. The horse-riding well construction device according to claim 1, wherein:

the hanging lamp (32) is used for construction illumination, and the hanging lamp (32) is hung on the inner well wall mold (22).