CN104179239B - A kind of Integral glass fibre reinforced plastic inspection pit - Google Patents

A kind of Integral glass fibre reinforced plastic inspection pit Download PDF

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Publication number
CN104179239B
CN104179239B CN201410423382.9A CN201410423382A CN104179239B CN 104179239 B CN104179239 B CN 104179239B CN 201410423382 A CN201410423382 A CN 201410423382A CN 104179239 B CN104179239 B CN 104179239B
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well
well chamber
pit
reinforced plastic
glass fibre
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CN104179239A (en
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谢刚
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DEYANG RONGFENG GLASS STEEL TECHNOLOGY DEVELOPMENT Co Ltd
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DEYANG RONGFENG GLASS STEEL TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

The invention discloses a kind of inspection shaft technology, particularly a kind of Integral glass fibre reinforced plastic inspection pit; Described Integral glass fibre reinforced plastic inspection pit, comprise well end of body, diameter variable well body and connecting branch and well chamber chute portion, described well end of body is arranged on inspection shaft position topmost, well end of body lower end is provided with diameter variable well body, and described diameter variable well body lower end is provided with connecting branch and well chamber chute portion; Integral glass fibre reinforced plastic inspection pit of the present invention, have environmental protection, quality light, the advantages such as simple and convenient, intensity is high, rigidity is large, monolithic devices is good, close that water-stop is good, corrosion-resistant, acid and alkali-resistance, smooth surface do not play dirt, water resistance is little, long service life are installed, be applicable to large-scale promotion application.

Description

A kind of Integral glass fibre reinforced plastic inspection pit
Technical field
The present invention relates to a kind of inspection shaft technology, particularly a kind of Integral glass fibre reinforced plastic inspection pit.
Background technology
Inspection shaft is widely used in various commercial, house and municipal underground piping system, particularly subsoil drain system, existing inspection shaft generally has following several: (1) brick inspection shaft, (2) concrete prefabricated inspection shaft, (3) HDPE plastic inspection well.
Along with the application of novel tube in pipe-line system, several inspection shafts all show the shortcoming that some are difficult to overcome above, (1) shortcoming of brick inspection shaft is: consumption of natural resource, not environmental protection, long construction period, labor strength is large, monolithic devices is poor, it is poor to close water-stop, and corrosion-resistant, service life are short etc.; (2) shortcoming of concrete prefabricated inspection shaft: consumption of natural resource, not environmental protection, install slow, to close water-stop poor, corrosion-resistant, service life are short etc.; (3) HDPE plastic inspection well has solved the shortcoming of first two inspection shaft preferably, but because HDPE plastic inspection well is subject to the restriction of self material and production technology, have: that intensity and poor rigidity, product maximize is difficult, product maximization can cause the shortcomings such as its intensity and rigidity sharply worsen; The attention of along with China, urban drainage pipe network being built in recent years, manifesting of Design of Urban Drainage Pipe Network off-capacity and subdrainage pipe network serious leakage problem, impel novel, environmental protection, high-performance and heavy caliber pipe to adopt in a large number in drainage pipeline networks is built, the particularly application of the fiberglass reinforced plastics to New Large Caliber (fiberglass) burning into sand tubing. But in engineering practice, how to select the inspection shaft supporting with large diameter FRPM, become engineering roadblock, the size of the inspection shaft that employing HDPE plastics are made is difficult to meet the requirement of large diameter FRPM, and the rigidity of HDPE plastic inspection well is difficult to meet the requirement of the large buried depth in municipal drainage system, HDPE plastic inspection well interface is difficult to mate with fiberglass sand inclusion interface tube simultaneously, is difficult to guarantee the seal of interface; The size that adopts concrete prefabricated inspection shaft can solve inspection shaft meets the requirement of large diameter FRPM, and inspection shaft self intensity, rigidity meet the requirement of the large buried depth in municipal drainage system, but it is poor that concrete prefabricated inspection shaft must close water-stop, the shortcoming such as corrosion-resistant, service life are short.
Summary of the invention
Goal of the invention of the present invention is: for the problem of above-mentioned existence, in order to overcome the deficiency of above-mentioned inspection shaft in existing municipal pipeline engineering application, the invention provides a kind of taking frp pipe as raw material, the Integral glass fibre reinforced plastic inspection pit that processing assembling is produced, environmental protection, quality be light, it is simple and convenient to install.
The technical solution used in the present invention is as follows: the technical solution used in the present invention is as follows:
A kind of Integral glass fibre reinforced plastic inspection pit, described inspection shaft comprises well end of body, diameter variable well body and connecting branch and well chamber chute portion, described well end of body is arranged on inspection shaft position topmost, well end of body lower end is provided with diameter variable well body, and described diameter variable well body lower end is provided with connecting branch and well chamber chute portion.
Further, described well end of body comprises pit shaft and the adaptive pit shaft bellmouth that is arranged on pit shaft upper end.
Further, described diameter variable well body comprises reducing pit shaft, He Jing chamber, well chamber base plate, described reducing pit shaft upper end is connected with well end of body, bottom adaptation is provided with well chamber, bottom, described well chamber adaptation is provided with well chamber base plate, and described reducing pit shaft is stuck with paste by hand or sprayed processing technology manufacture and forms.
Further, described connecting branch and well chamber chute portion comprise well chamber chute and the adaptive connecting branch that is arranged on chute end, well chamber, the end of described connecting branch utilizes winding process to be wound around and repairs out arm socket or a tube faucet, and the longitudinal cross-section of described well chamber chute is fluted body.
Owing to having adopted said structure, pit shaft upper end at inspection shaft is provided with pit shaft bellmouth, so that the length of free adjustment pit shaft when installation check well, the buried depth degree difference of each inspection shaft, the whole height of corresponding each inspection shaft is just different, and the whole height of inspection shaft according to actual needs can change the length of pit shaft self, also can be at a pit shaft with bore of the upper end of pit shaft pit shaft socket grafting, to be applicable to actual demands of engineering; Pit shaft lower end is provided with up-narrow and down-wide reducing pit shaft, facilitate maintainer in underground work, reducing pit shaft lower end adaptation is provided with well chamber, the large I of internal diameter of well chamber freely designs according to actual needs, internal diameter 1800MM can be accomplished in the indoor footpath of well of inspection shaft of the present invention, Yu Jing chamber, lower end, described well chamber chute is adaptive to be connected, and chute two ends, well chamber adaptation is provided with connecting branch, and the size of connecting branch and well chamber chute can be selected according to actual required size; Inspection shaft of the present invention, mechanical strength is high, and structure arranges rationally, uses flexibility ratio high.
A kind of Integral glass fibre reinforced plastic inspection pit; in the building block of Integral glass fibre reinforced plastic inspection pit, having parts at least is to be formed by GRP pipe processing and fabricating; described GRP pipe comprises inner protective layer, carbon fibre cloth layer, external protection; described inner protective layer is bonded in carbon fibre cloth layer inner side by unsaturated polyester resin, and described external protection is bonded in carbon fibre cloth layer outside by resin solidification.
Further, described protective layer comprises anticorrosion ceramic layer, is also provided with the two layers short felts of cutting in described anticorrosion ceramic layer, is also provided with quartz sand in described carbon fibre cloth layer.
Owing to having adopted said structure, inspection shaft of the present invention is by well end of body, diameter variable well body and connecting branch and the well chamber chute portion formation that cooperatively interacts, in the building block of inspection shaft, having parts at least is to be formed by GRP pipe processing and fabricating, GRP pipe of the present invention is formed by the manufacture of new glass fibre reinforced plastic tubing, described new glass fibre reinforced plastic tubing is by inner protective layer, carbon fibre cloth layer, external protection forms, described inner protective layer is made up of anticorrosion pottery and the two layers short felts of cutting, described carbon fibre cloth layer is made up of carbon cloth and quartz sand, carbon cloth in carbon fibre cloth layer and the content of quartz sand can need to be selected flexibly according to industry, described external protection is resin bed, described inner protective layer is bonded in carbon fibre cloth layer inner side by unsaturated polyester resin, described external protection is bonded in carbon fibre cloth layer outside by resin solidification, such structure strengthens conduit hardness, the probability that occurs fracture reduces, and corrosion resistance is good.
Further, on the chute of described well chamber, be at least provided with one with connecting branch.
A kind of Integral glass fibre reinforced plastic inspection pit, described connecting branch and the well chamber chute structure that is formed in one.
Owing to having adopted said structure, the end adaptation of connecting branch is provided with connecting branch socket or connecting branch bellmouth, can be at a connecting branch socket of one end of connecting branch design, a connecting branch bellmouth of one end design in addition, also can be only to design a connecting branch socket in any one end of connecting branch, can also be only to design a connecting branch bellmouth in any one end of connecting branch, fiber glass reinforced plastics inspection well of the present invention, at a connecting branch socket of one end of connecting branch design, a connecting branch bellmouth of one end design in addition, such design is in the time that pipeline is connected with inspection shaft, the socket of GRP pipe band cushion rubber and the bellmouth of inspection shaft are connected, the socket of inspection shaft band cushion rubber and the connecting branch bellmouth of GRP pipe are connected, this connected mode is comparatively simple and convenient, also there is good sealing property simultaneously, Integral glass fibre reinforced plastic inspection pit of the present invention, be provided with in the bottom of well chamber and be connected with connecting branch and with the groove of bore, described groove is U-shaped groove, described U-shaped groove is in the time that current pass through to detect Jing Jing chamber, can play the effect of water conservancy diversion, reduce the resistance of water, can reduce silt and the deposition of other impurity in inspection shaft in rainwater, sewage simultaneously, reduce silting up of inspection shaft, saved man power and material's cost of drawing clearly inspection shaft, described connecting branch and the well chamber chute structure that is formed in one, is convenient to processing and manufacturing, and good leak tightness is non-leakage, described connecting branch and well chamber chute portion, connecting branch and well chamber chute can be at same straight lines, and described connecting branch and the inspection shaft of well chamber chute on same straight line are in straight-through well, connecting branch and well chamber chute form certain corner, are elbow well, and the described connecting branch of elbow well that cries is connected with the U-shaped chute with certain radian, on the chute of described well chamber, can arrange manyly with connecting branch, and caliber between connecting branch is also not necessarily identical
Further, the upper end of described reducing pit shaft and well end of body seam crossing by sealing, bonding, mend and be assembled into all-in-one-piece structure, the upper end seam crossing of the Yu Jing chamber, bottom of described reducing pit shaft is assembled into all-in-one-piece structure by sealing, bonding, reinforcement, and Yu Jing chamber, the bottom base plate seam crossing of described well chamber is assembled into all-in-one-piece structure by sealing, bonding, reinforcement.
Owing to having adopted said structure, Integral glass fibre reinforced plastic inspection pit of the present invention, is assembled into all-in-one-piece structure by sealing, bonding, reinforcement between the each parts of inspection shaft, has strengthened the sealing of inspection shaft.
Further, described pit shaft and the pit shaft bellmouth structure that is formed in one.
Owing to having adopted said structure, pit shaft and the pit shaft bellmouth structure that is formed in one, is convenient to processing and manufacturing, and good leak tightness is non-leakage.
In sum, owing to having adopted technique scheme, Integral glass fibre reinforced plastic inspection pit of the present invention has: environmental protection, quality be light, it is simple and convenient to install, intensity is high, rigidity is large, monolithic devices is good, close that water-stop is good, corrosion-resistant, acid and alkali-resistance, smooth surface do not play dirt, water resistance is little, long service life, can be applicable to the advantages such as various environment, applicable large-scale promotion application.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of Integral glass fibre reinforced plastic inspection pit of the present invention.
Fig. 2 is well end of body structural representation of the present invention.
Fig. 3 is diameter variable well barrel structure schematic diagram of the present invention.
Fig. 4 is well cell structure schematic diagram of the present invention.
Fig. 5 is well of the present invention chamber base arrangement schematic diagram.
Fig. 6 is connecting branch of the present invention and well chamber chute portion structural representation.
Fig. 7 is the side structure schematic diagram of Integral glass fibre reinforced plastic inspection pit of the present invention.
Fig. 8 is the glass fibre reinforced plastic structure schematic diagram of Integral glass fibre reinforced plastic inspection pit of the present invention
Mark in figure: 1-pit shaft, 2-pit shaft bellmouth, 3-reducing pit shaft, 4-well chamber, 5-well chamber base plate, 6-connecting branch, 7-well chamber chute, 8-connecting branch socket, 9-connecting branch bellmouth, 10-inner protective layer, 11-carbon fibre cloth layer, 12-external protection.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated. Should be appreciated that specific embodiment described herein is only in order to explain invention, and be not used in restriction invention.
Integral glass fibre reinforced plastic inspection pit of the present invention, as shown in Figure 1, Fig. 1 is the assembling schematic diagram of fiber glass reinforced plastics inspection well, Fig. 2 is well end of body block diagram, described well end of body parts comprise pit shaft 1 and are arranged on the pit shaft bellmouth 2 on pit shaft 1, pit shaft 1 upper end at inspection shaft is provided with pit shaft bellmouth 2, so that the length of free adjustment pit shaft 1 when installation check well, the length of described free adjustment pit shaft 1 refers to the length that can regulate pit shaft 1 self, also can on pit shaft bellmouth 2, peg graft with the pit shaft of bore, described pit shaft bellmouth 2 and pit shaft 1 structure that can be formed in one, also can be the structure that removably connects, Integral glass fibre reinforced plastic inspection pit of the present invention adopts integrated formed structure, there is the processing and manufacturing of being convenient to, good leak tightness, non-leakage advantage, Fig. 3 is reducing pit shaft schematic diagram, Fig. 4 is well chamber schematic diagram, figure is well chamber base plate 5 schematic diagrames, described reducing pit shaft 3 upper ends are connected with pit shaft 1, bottom adaptation is provided with well chamber 4, described well chamber 4 bottom adaptations are provided with well chamber base plate 5, seam crossing between reducing pit shaft 3 and pit shaft 1 and between reducing pit shaft 3 and well chamber 4 is by sealing, bonding, reinforcement is assembled into all-in-one-piece structure, well chamber 4 bottom adaptations are provided with well chamber base plate 5, seam crossing between well chamber 4 and well chamber base plate 5 is by sealing, bonding, reinforcement is assembled into all-in-one-piece structure, prevent that other impurity from entering inspection shaft, the physical dimension of the reducing of described reducing pit shaft 3 is well chamber 4 sizes that connect according to its lower end, and the size of pit shaft 1 that connects of upper end and flexible design, when the size disparity of the top and bottom of reducing pit shaft 3 is larger, can increase the height of reducing, also can adopt secondary reducing, Fig. 6 is connecting branch and well chamber chute portion schematic diagram, well chamber chute 7 is connected with the bottom adaptation of well chamber 4, connecting branch 6 and well chamber chute 7 structure that is formed in one, one end of described connecting branch 6 is provided with connecting branch socket 8, one end is provided with connecting branch bellmouth 9 in addition, such design is in the time that pipeline is connected with inspection shaft, the socket of GRP pipe band cushion rubber and the connecting branch bellmouth 9 of inspection shaft are connected, the connecting branch socket 8 of inspection shaft band cushion rubber and the bellmouth of GRP pipe are connected, this connected mode is simple, convenient, there is good sealing property simultaneously, described well chamber chute 7 is U-shaped structure, and such being designed with is beneficial to water conservancy diversion, reduced the resistance of water, has also reduced silt and the deposition of other impurity in inspection shaft in rainwater, sewage simultaneously, reduces silting up of inspection shaft, Fig. 7 is inspection shaft side schematic view, inspection shaft of the present invention is by well end of body, diameter variable well body and connecting branch and the well chamber chute portion formation that cooperatively interacts, in the building block of inspection shaft, having parts at least is to be formed by GRP pipe processing and fabricating, also can be that other materials arbitrarily with certain mechanical strength are made, inspection shaft of the present invention preferably adopts frp pipe to make, as shown in Figure 8, for the glass fibre reinforced plastic structure schematic diagram of Integral glass fibre reinforced plastic inspection pit of the present invention, described frp pipe is by inner protective layer 10, carbon fibre cloth layer 11, external protection 12 forms, described inner protective layer 10 is made up of anticorrosion pottery and the two layers short felts of cutting, described carbon fibre cloth layer 11 is made up of carbon cloth and quartz sand, carbon cloth in carbon fibre cloth layer 11 and the content of quartz sand can need to be selected flexibly according to industry, described external protection 12 is resin bed, described inner protective layer 10 is bonded in carbon fibre cloth layer 11 inner sides by unsaturated polyester resin, described external protection 12 is bonded in carbon fibre cloth layer 11 outsides by resin solidification, such structure strengthens conduit hardness, the probability that occurs fracture reduces, and corrosion resistance is good. inspection shaft of the present invention, its building block can be to be that main raw material(s) processing and fabricating forms by fiberglass sand inclusion tubing, also can be that other materials arbitrarily with certain mechanical strength are made, inspection shaft of the present invention preferably adopts frp pipe, has: the advantage such as environmental protection, quality are light, corrosion-resistant, acid and alkali-resistance, smooth surface do not play dirt, water resistance is little, long service life.
Inspection shaft parts of the present invention, its method of manufacturing technology difference of different parts,---blanking---cutting---preliminary working polishing---fine finishining polishing---quality inspection that each parts generally will pass through following operation: unwrapping wire; Reducing pit shaft 3 and well chamber 4 determine that by the designing requirement of intensity, rigidity laying design and production technology, described reducing pit shaft 3 and well chamber 4 are on special mfg. moulding die, to stick with paste by hand or the processing technology manufacture such as injection forms; Connecting branch bellmouth 9 and connecting branch socket 8 in connecting branch and well chamber chute portion, be RPM two ends bellmouth, socket mould are installed respectively, utilize winding process to be wound around respectively and repair out connecting branch bellmouth 9 and connecting branch socket 8, then on connecting branch socket 8, polish two O type aprons slots, then form through the edge manufacture of finishing and polishing connecting branch bellmouth 9; After above-mentioned process, inspection shaft parts are delivered to composing room and assemble, assembling generally comprises following operation: parts assembled in place---parts preliminary fixing---setting up of workbench---filleting of parts seam, stickup, reinforcement---overall closed-water test---test by rear abutment joint paste,---outer surface entirety polishing---outer surface colouring, spraying trade mark and numbering-finished product send the detection of relevant professional testing agency---detects qualified rear finished product check and accepting storing for the finishing polishing of supporting material.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.

Claims (7)

1. an Integral glass fibre reinforced plastic inspection pit, it is characterized in that: described inspection shaft comprises well end of body, diameter variable well body and connecting branch and well chamber chute portion, described well end of body is arranged on inspection shaft position topmost, well end of body lower end is provided with diameter variable well body, and described diameter variable well body lower end is provided with connecting branch and well chamber chute portion; Described well end of body comprises that pit shaft (1) and adaptation are arranged on the pit shaft bellmouth (2) of pit shaft (1) upper end; Described diameter variable well body comprises reducing pit shaft (3), well chamber (4) and well chamber base plate (5), reducing pit shaft (3) upper end is connected with pit shaft (1), bottom adaptation is provided with well chamber (4), and bottom, described well chamber (4) adaptation is provided with well chamber base plate (5); Described connecting branch and well chamber chute portion comprise that well chamber chute (7) and adaptation are arranged on the connecting branch (6) of well chamber chute (7) end, the end of described connecting branch (6) utilizes winding process to be wound around and repairs out arm socket (8) or a tube faucet (9), the longitudinal cross-section of described well chamber chute (7) is fluted body, described well chamber chute (7) is U-shaped structure, described connecting branch (6) and well chamber chute (7) structure that is formed in one, adaptive being connected of bottom of described well chamber chute (7) and well chamber (4); Between each parts of inspection shaft, be assembled into all-in-one-piece structure by sealing, bonding, reinforcement.
2. Integral glass fibre reinforced plastic inspection pit as claimed in claim 1, it is characterized in that: described diameter variable well body comprises reducing pit shaft (3), well chamber (4) and well chamber base plate (5), described reducing pit shaft (3) upper end is connected with well end of body, bottom adaptation is provided with well chamber (4), bottom, described well chamber (4) adaptation is provided with well chamber base plate (5), and described reducing pit shaft (3) is stuck with paste by hand or sprayed processing technology manufacture and forms.
3. Integral glass fibre reinforced plastic inspection pit as claimed in claim 2, it is characterized in that: the upper end of described reducing pit shaft (3) and well end of body seam crossing are assembled into all-in-one-piece structure by sealing, bonding, reinforcement, the upper end seam crossing of the Yu Jing chamber, bottom (4) of described reducing pit shaft (3) is assembled into all-in-one-piece structure by sealing, bonding, reinforcement, and Yu Jing chamber, bottom base plate (5) seam crossing of described well chamber (4) is assembled into all-in-one-piece structure by sealing, bonding, reinforcement.
4. Integral glass fibre reinforced plastic inspection pit as claimed in claim 1; it is characterized in that: in the building block of Integral glass fibre reinforced plastic inspection pit, having parts at least is to be formed by GRP pipe processing and fabricating; described GRP pipe comprises inner protective layer, carbon fibre cloth layer, external protection; described inner protective layer is bonded in carbon fibre cloth layer inner side by unsaturated polyester resin, and described external protection is bonded in carbon fibre cloth layer outside by resin solidification.
5. Integral glass fibre reinforced plastic inspection pit as claimed in claim 4, is characterized in that: described protective layer comprises anticorrosion ceramic layer, is also provided with the two layers short felts of cutting in described anticorrosion ceramic layer, is also provided with quartz sand in described carbon fibre cloth layer.
6. Integral glass fibre reinforced plastic inspection pit as claimed in claim 1, is characterized in that: on described well chamber chute (7), be at least provided with one with connecting branch (6).
7. Integral glass fibre reinforced plastic inspection pit as claimed in claim 1, is characterized in that: described pit shaft (1) and pit shaft bellmouth (2) structure that is formed in one.
CN201410423382.9A 2014-08-26 2014-08-26 A kind of Integral glass fibre reinforced plastic inspection pit Active CN104179239B (en)

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CN104179239B true CN104179239B (en) 2016-06-08

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CN109339110A (en) * 2018-11-21 2019-02-15 鑫竹海(山东)管道制造有限公司 A kind of bamboo winding composite inspection well
CN109719962A (en) * 2018-12-06 2019-05-07 安徽永高塑业发展有限公司 A kind of production method of super-huge winding welding plastic municipal administration inspection shaft
CN112523324A (en) * 2020-11-25 2021-03-19 中复新水源科技有限公司 Glass fiber reinforced plastic inspection well with basket grating

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JPH0913489A (en) * 1995-06-28 1997-01-14 Ebata Kk Invert member, catch basin, and manufacture of invert member
JPH09268639A (en) * 1996-04-01 1997-10-14 Asahi Tec Corp Backing method of manhole
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CN204081034U (en) * 2014-08-26 2015-01-07 德阳荣丰玻璃钢科技开发有限公司 A kind of Integral glass fibre reinforced plastic inspection pit

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Publication number Priority date Publication date Assignee Title
JPH03197708A (en) * 1989-12-25 1991-08-29 Konpojitsuto Syst Kenkyusho:Kk Manufacture of trough for channel
JPH08144359A (en) * 1994-11-16 1996-06-04 Sekisui Chem Co Ltd Manhole structure for secondary lining pipeline
JPH0913489A (en) * 1995-06-28 1997-01-14 Ebata Kk Invert member, catch basin, and manufacture of invert member
JPH09268639A (en) * 1996-04-01 1997-10-14 Asahi Tec Corp Backing method of manhole
DE19643175A1 (en) * 1996-10-18 1998-04-23 Niedlich Thorsten Reconstruction method for stacks of e.g. water pipes
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