CN213871603U

CN213871603U - Non-excavation formula underground pipeline restoration structure

Info

Publication number: CN213871603U
Application number: CN202022677492.1U
Authority: CN
Inventors: 梅宗义
Original assignee: Chongqing Senqing Municipal Engineering Co ltd
Current assignee: Chongqing Senqing Municipal Engineering Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-08-03
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a non-excavation formula underground piping restores structure belongs to the field of municipal administration pipeline, and it is including setting up the working well of underground piping tip and setting up the repair body in underground piping, and repair body includes many end to end's nozzle stub, repair body is provided with an anti-disengaging mechanism respectively along axial both ends, and anti-disengaging mechanism is including setting up the vertical pin at the working well diapire, and the pin butt is at repair body's tip. The problem of because reasons such as geological motion, drop easily between the repair unit that links to each other has been solved to this application, has the effect that can reduce the possibility that the repair unit that links to each other drops easily.

Description

Non-excavation formula underground pipeline restoration structure

Technical Field

The application relates to the field of municipal pipelines, in particular to a non-excavation type underground pipeline repairing structure.

Background

The underground sewage pipes are easy to be damaged by aging, corrosion, cracks and the like after long service life, and therefore need to be maintained. The common repairing mode needs to be repaired after excavation, has large destructiveness to the infrastructure and is inconvenient to operate.

The utility model discloses a utility model patent application number is CN200920107104.7 discloses a non-excavation formula pipeline prosthetic devices pushes the restoration pipeline in impaired pipeline, and the restoration pipeline comprises a plurality of nozzle stub restoration units, extrudees between each adjacent nozzle stub restoration unit and connects.

With respect to the related art in the above, the inventors consider that the connected repair units are easily detached from each other due to geological movement or the like.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility that the connected repair units are easy to fall off, the application provides a non-excavation type underground pipeline repair structure.

The application provides a pair of non-excavation formula underground piping restores structure adopts following technical scheme:

the utility model provides a non-excavation formula underground piping restores structure, is including setting up the working well of underground piping tip and setting up the repair body in underground piping, and repair body includes many end to end's nozzle stub, repair body is provided with an anti-disengaging mechanism respectively along axial both ends, and anti-disengaging mechanism is including setting up the vertical pin at the working well diapire, and the pin butt is at repair body's tip.

Through adopting above-mentioned technical scheme, during the installation, the user can install the push bench into the working well, then in pushing up the nozzle stub in proper order into the underground pipeline that treats the restoration through the push bench, butt between the adjacent nozzle stub, then with the vertical installation of pin to the working well diapire and make the pin butt at repair mechanism's tip to reduce the nozzle stub because the probability that moves and drop towards the working well such as geological motion.

Optionally, the anti-disengaging mechanism further comprises a reinforcing assembly arranged in the bottom wall of the working well, the reinforcing assembly comprises a foundation pit and a fixing layer, the foundation pit is arranged on the bottom wall of the working well, the fixing layer is fixed in the foundation pit, and the stop lever is fixed with the fixing layer.

Through adopting above-mentioned technical scheme, the fixed bed is more firm, reduces the not hard up possibility of pin, and then reduces and send the possibility of taking off between the nozzle stub.

It is optional, be connected with coupling assembling between the nozzle stub, coupling assembling includes the draw-in groove and cooperates two elasticity cardboards of using with the draw-in groove, the draw-in groove is seted up at the nozzle stub tip, the draw-in groove includes passageway and spacing groove, the passageway is close to nozzle stub tip one side intercommunication with the spacing groove, spacing groove one side is kept away from to the passageway is uncovered, the cardboard is connected the tip of keeping away from the draw-in groove at the draw-in groove, the cardboard includes connecting plate and limiting plate, the connecting plate links to each other with the nozzle stub, limiting plate connection keeps away from nozzle stub one end at the connecting plate, limiting plate connection deviates from one side mutually at two connecting plates, the limiting plate is kept away from nozzle stub one side and is the toper to dwindle gradually.

Through adopting above-mentioned technical scheme, the user passes through the pipe pushing jack and pushes up the nozzle stub in proper order the underground back of treating prosthetic pipeline, because the cardboard of nozzle stub has elasticity, consequently can block in the draw-in groove of adjacent nozzle stub to make the connection between the adjacent nozzle stub more firm, further reduce the possibility that the nozzle stub drops.

Optionally, the connecting assembly further comprises a holding tank and a spring, the holding tank is arranged at the end portion, far away from the clamping groove, of the short pipe, one end of the spring is connected to two opposite side walls of the clamping groove, and the other end of the spring is connected with the connecting plate.

Through adopting above-mentioned technical scheme, the spring deformation is more nimble, is favorable to the cardboard to warp when receiving the passageway extrusion to make the cardboard get into the spacing groove, then promote the cardboard rapidly after getting into the spacing groove and reset, make the limiting plate be close to connecting plate one side and the lateral wall butt of spacing groove, and then be connected the nozzle stub more closely with adjacent nozzle stub.

Optionally, coupling assembling still includes the guide bar, and the guide bar wears to establish in spring and connecting plate in proper order, and guide bar one end is connected at the holding tank lateral wall.

Through adopting above-mentioned technical scheme, the guide bar can reduce the possibility of spring distortion for the spring can only stretch out and draw back.

Optionally, coupling assembling still includes the anticreep board of connecting and keeping away from holding tank lateral wall one end at the guide bar, and the anticreep board area is greater than the projected area of spring.

Through adopting above-mentioned technical scheme, the length that the anticreep board can restrict the spring extension, and then reduces the guide bar and restricts the possibility that the spring withdrawed.

Optionally, the clamping groove is formed along the circumferential direction of the short pipe.

By adopting the technical scheme, the clamping plate of the short pipe can be clamped into the clamping groove in any direction, the direction of the short pipe entering the underground pipeline is not limited, and the operation is more convenient.

Optionally, the nozzle stub is connected with seal assembly, and seal assembly includes box and son and detains, and the box is the annular and links to each other with the nozzle stub tip, and the son is detained and is the annular and links to each other with the tip that the box was kept away from to the nozzle stub, and box inner wall and son detain the outer wall butt during the installation.

Through adopting above-mentioned technical scheme, during the installation, the sub-knot and the box block of adjacent nozzle stub can cover the seam between the nozzle stub, reduce the possibility of seepage between the nozzle stub.

Optionally, the seal groove has been seted up along the lateral wall of circumference to the box, and the sub-knot is fixed with the sealing washer with seal groove looks adaptation along the lateral wall of circumference.

Through adopting above-mentioned technical scheme, during the installation, the sealing washer joint on the nozzle stub is in the seal groove of adjacent nozzle stub, further improves the leakproofness of son knot and box.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the stop lever is abutted against the end part of the repair mechanism, so that the possibility that the short pipe moves and falls off towards the working well due to geological motion and the like can be reduced;

2. when the short pipes are installed, the clamping plates of the short pipes are clamped into the clamping grooves of the adjacent short pipes, so that the adjacent short pipes are connected more firmly, and the possibility of falling of the short pipes is further reduced;

3. the sub-buckles and the female buckles of the adjacent short pipes are clamped, so that the seams between the short pipes can be covered, and the possibility of leakage between the short pipes is reduced.

Drawings

FIG. 1 is a schematic cross-sectional view of a trenchless rehabilitation program for underground pipes according to an embodiment of the present disclosure;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic view for showing a structure of the box of the embodiment of the present application;

FIG. 4 is a schematic view of a sub-buckle structure for showing an embodiment of the present application;

fig. 5 is an enlarged view of a portion B of fig. 1.

Description of reference numerals: 1. a working well; 2. a repair mechanism; 21. a short pipe; 22. a connecting assembly; 221. a card slot; 2211. a channel; 2212. a limiting groove; 222. clamping a plate; 2221. a connecting plate; 2222. a limiting plate; 223. accommodating grooves; 224. a spring; 225. a guide bar; 226. an anti-drop plate; 23. a seal assembly; 231. a female buckle; 232. a sub-buckle; 233. a sealing groove; 234. a seal ring; 3. an anti-drop mechanism; 31. a stop lever; 32. a reinforcement assembly; 321. a foundation pit; 322. and fixing the layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses non-excavation formula underground piping restoration structure. Referring to fig. 1, non-excavation formula underground piping repair structure sets up the working well 1 of underground piping tip and sets up repair body 2 in underground piping, and repair body 2 includes many end to end's nozzle stub 21, and repair body 2 is provided with an anti-disengaging mechanism 3 respectively along axial both ends for reduce nozzle stub 21 because reasons such as geological motion move towards the possibility that working well 1 removed.

Referring to fig. 1 and 2, the working well 1 has a rectangular cross section, and the working well 1 is excavated on the side where the ends of the underground pipes are away from each other, so that an installer can perform repair construction in the working well 1. Anti-disengaging mechanism 3 includes pin 31 and reinforcement assembly 32, reinforcement assembly 32 includes foundation ditch 321 and fixed bed 322, the diapire at work well 1 is seted up to foundation ditch 321, fixed bed 322 can be for pouring cement layer or the concrete layer in foundation ditch 321, pin 31 can be the reinforcing bar, every anti-disengaging mechanism 3 sets up 3 pins 31, pin 31 bottom is pour in fixed bed 322 fixedly, the bottom butt of pin 31 and the 2 tip of repair body, thereby reduce the possibility that nozzle stub 21 removed and drops.

During construction, firstly, a measurement control network and a level base point are set according to requirements, then positioning and setting-out are carried out, the central axis of the working well 1 and the contour line of the foundation pit 321 are determined, and excavation is carried out according to the front and back 3.0 meters and the left and right 1.5 meters of the central point of the working well 1. Then the personnel in the well wears the waterproof suit with the oxygen supply respirator, the air bag is put into the upstream pipeline, the air pump is inflated, and the water source is completely isolated. And (4) mounting a reamer sewage pump, and pumping water to a downstream municipal pipeline by using a water hose. And then repeatedly washing the original underground pipeline by using a cleaning vehicle to remove sludge and sundries.

Referring to fig. 3 and 4, the short pipe 21 may be a 50cm long circular PE pipe, the short pipe 21 is connected with a sealing assembly 23, the sealing assembly 23 includes a box 231 and a sub-box 232, the box 231 is annular and is integrally formed with the end of the short pipe 21, the radius of the box 231 is greater than that of the short pipe 21, the outer wall of the box 231 is flat with the outer wall of the short pipe 21, and the flatness of the joint of the box 231 and the short pipe 21 can be improved.

The sub-buckle 232 is annular and is integrally formed with the end part of the short pipe 21 far away from the female buckle 231, the radius of the sub-buckle 232 is smaller than that of the short pipe 21, the inner wall of the sub-buckle 232 and the inner wall of the short pipe 21 are in smooth transition, and the flatness of the joint of the sub-buckle 232 and the short pipe 21 can be improved.

Referring to fig. 5, when the pipe is installed, the inner wall of the box 231 and the outer wall of the sub 232 are in contact with each other, so that the joint between the short pipes 21 can be covered, and the possibility of leakage between the short pipes 21 can be reduced. The seal groove 233 is opened along circumference in box 231 inner wall, and the lateral wall integrated into one piece that the sub 232 outer wall was followed circumference has sealing washer 234, and sealing washer 234 and seal groove 233 looks adaptation. During installation, the machined female buckle 231 and the machined male buckle 232 are coated with sealant, the short pipe 21 is pushed into the hole by a pipe jacking machine, the female buckle 231 and the male buckle 232 of the adjacent short pipe 21 are mutually clamped, the sealing ring 234 is clamped in the sealing groove 233 of the adjacent short pipe 21, and the sealing performance of the male buckle 232 and the female buckle 231 is further improved.

In order to improve the connection strength between the short pipes 21, the connection assembly 22 is connected between the short pipes 21, the connection assembly 22 comprises a clamping groove 221, a clamping plate 222, a containing groove 223, a spring 224, a guide rod 225 and an anti-falling plate 226, the clamping groove 221 is circumferentially arranged at the end part of the short pipe 21, the clamping groove 221 comprises a channel 2211 and a limiting groove 2212, the channel 2211 is communicated with the limiting groove 2212 close to one side of the end part of the short pipe 21, the channel 2211 is open on the side far away from the limiting groove 2212, and the height of the limiting groove 2212 is greater than that of the channel 2211. Holding tank 223 is seted up at box 231 and is kept away from the tip of nozzle stub 21, and holding tank 223 is kept away from nozzle stub 21 one side and is uncovered, and spring 224 is two at least, and the relative both sides wall of draw-in groove 221 bonds with a spring 224 tip respectively, and the spring 224 other end bonds with cardboard 222 for two cardboard 222 that set up relatively are close to each other, thereby can insert passageway 2211.

Cardboard 222 includes connecting plate 2221 and limiting plate 2222, connecting plate 2221 bonds with spring 224 is perpendicular, limiting plate 2222 integrated into one piece keeps away from nozzle stub 21 one end at connecting plate 2221, two limiting plates 2222 are connected and are kept away from one side each other at two connecting plates 2221, limiting plate 2222 keeps away from nozzle stub 21 one side and dwindles gradually and is the toper, so that insert passageway 2211 more easily and after getting into spacing groove 2212, because spacing groove 2212 keeps away from the lateral wall restriction of nozzle stub 21 one end, make limiting plate 2222 can not withdraw from spacing groove 2212, thereby firmly link to each other two nozzle stubs 21.

One end of the guide bar 225 is adhered to the side wall of the receiving groove 223, the guide bar 225 is sequentially inserted into the spring 224 and the connecting plate 2221, and the spring 224 can only extend and contract due to the guide bar 225, so that the possibility of the spring 224 twisting can be reduced. The anti-slip plate 226 is integrally formed at the end of the guide bar 225, and the area of the anti-slip plate 226 is larger than the projected area of the spring 224, so as to reduce the possibility that the end of the spring 224 slips out of the guide bar 225.

The concrete application mode of non-excavation formula underground pipe restoration structure of this application embodiment is: during installation, a user can install the push bench into the working well 1, and then sequentially pushes the short pipes 21 into the underground pipeline to be repaired through the push bench, so that the female buckles 231 and the male buckles 232 of the adjacent short pipes 21 are clamped, the sealing rings 234 are clamped into the sealing grooves 233, and the clamping plates 222 are clamped into the clamping grooves 221 to tightly connect the adjacent short pipes 21. The stop lever 31 is then vertically cast to the bottom wall of the working well 1 and the stop lever 31 abuts on the end of the rehabilitation mechanism 2, thereby reducing the possibility that the short pipe 21 will move and fall off.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a non-excavation formula underground piping restores structure, is including setting up well (1) of underground piping tip and setting up repair body (2) in underground piping, and repair body (2) include many end to end's nozzle stub (21), its characterized in that: the repair mechanism (2) is provided with an anti-disengaging mechanism (3) along axial both ends respectively, and anti-disengaging mechanism (3) are including setting up vertical pin (31) at work well (1) diapire, and pin (31) butt is at the tip of repair mechanism (2).

2. The trenchless underground pipeline rehabilitation structure of claim 1, wherein: anti-disengaging mechanism (3) are still including setting up reinforcement component (32) in service well (1) diapire, and reinforcement component (32) are including foundation ditch (321) and fixed bed (322), and foundation ditch (321) are seted up at service well (1) diapire, and fixed bed (322) are fixed in foundation ditch (321), and pin (31) are fixed with fixed bed (322).

3. The trenchless underground pipeline rehabilitation structure of claim 1, wherein: be connected with coupling assembling (22) between nozzle stub (21), coupling assembling (22) include draw-in groove (221) and with draw-in groove (221) two elasticity cardboard (222) of cooperation use, draw-in groove (221) are seted up at nozzle stub (21) tip, draw-in groove (221) include passageway (2211) and spacing groove (2212), passageway (2211) and spacing groove (2212) are close to nozzle stub (21) tip one side intercommunication, spacing groove (2212) one side is left away in passageway (2211) and is uncovered, the tip of draw-in groove (221) is connected in draw-in groove (222), cardboard (222) are including connecting plate (2221) and limiting plate (2222), connecting plate (2221) link to each other with nozzle stub (21), limiting plate (2222) are connected and are kept away from nozzle stub (21) one end in connecting plate (2221), limiting plate (2222) are connected and are in connecting plate (2221) one side that deviates from each other, limiting plate (2222) keep away from nozzle stub (21) one side and are the taper gradually.

4. The trenchless underground pipeline rehabilitation structure of claim 3, wherein: the connecting assembly (22) further comprises a containing groove (223) and a spring (224), the containing groove (223) is formed in the end portion, far away from the clamping groove (221), of the short pipe (21), one end of the spring (224) is connected to two opposite side walls of the clamping groove (221), and the other end of the spring (224) is connected with the connecting plate (2221).

5. The trenchless underground pipeline rehabilitation structure of claim 4, wherein: the connecting assembly (22) further comprises a guide rod (225), the guide rod (225) penetrates through the spring (224) and the connecting plate (2221) in sequence, and one end of the guide rod (225) is connected to the side wall of the accommodating groove (223).

6. The trenchless underground pipeline rehabilitation structure of claim 5, wherein: the connecting assembly (22) further comprises an anti-falling plate (226) connected to one end, far away from the side wall of the accommodating groove (223), of the guide rod (225), and the area of the anti-falling plate (226) is larger than the projection area of the spring (224).

7. The trenchless underground pipeline rehabilitation structure of claim 3, wherein: the clamping groove (221) is formed along the circumferential direction of the short pipe (21).

8. The trenchless underground pipeline rehabilitation structure of claim 1, wherein: short pipe (21) are connected with seal assembly (23), and seal assembly (23) are detained (232) including box (231) and son, and box (231) are the annular and link to each other with short pipe (21) tip, and son is detained (232) and is the annular and link to each other with the tip that short pipe (21) kept away from box (231), and box (231) inner wall and son detain (232) outer wall butt during the installation.

9. The trenchless underground pipeline rehabilitation structure of claim 8, wherein: the seal groove (233) is opened along the lateral wall of circumference in box (231), and sub-knot (232) are fixed with sealing washer (234) with seal groove (233) looks adaptation along the lateral wall of circumference.