CN109403444A

CN109403444A - The underground reinforced concrete supplying drainage of major diameter is not cut off the water connecting device and method

Info

Publication number: CN109403444A
Application number: CN201811414388.4A
Authority: CN
Inventors: 陈世新; 陆启波; 杨渊
Original assignee: Guangxi Construction Engineering Group No1 Construction Engineering Co Ltd
Current assignee: Guangxi Construction Engineering Group No1 Construction Engineering Co Ltd
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2019-03-01

Abstract

Do not cut off the water connecting device and method the invention discloses the underground reinforced concrete supplying drainage of major diameter, belong to supplying drainage joint technology field, the technology mainly use electric hydaulic rope saw cut-out armored concrete pipeline section as new and old pipe plug into water flowing interface and for prefabricated reinforced concrete block flashboard insertion pipeline section produce bell and spigot, under using the cooperation of well head lifting appliance, it is timely to hang the armored concrete pipeline section being cut into and lifting insertion prefabricated reinforced concrete flashboard progress old pipeline closure and prevent interface from leaking using high grade plain concrete is buried to the progress of flashboard periphery.

Description

The underground reinforced concrete supplying drainage of major diameter is not cut off the water connecting device and method

Technical field

The present invention relates to supplying drainage joint technology field more particularly to the underground reinforced concrete supplying drainages of major diameter not Cut off the water connecting device and method.

Background technique

With the Large scale construction of urban construction, built major diameter (2 meters of internal diameter or more) underground reinforced concrete is given Drain parts routes institute needs to create a large amount of infrastructure (including subway, skyscraper, underground parking, society through region Meeting public service venue etc.), it is therefore desirable to it first relocates and changes its course to these pipe networks of the region, to the underground reinforced concrete of new major diameter After the completion of supplying drainage changes its course, just there is new pipeline section and the old pipeline section of connection is needed (drainage of old tube fluid medium to be passed to newly-built pipe Section) and the old pipeline section upstream and downstream in part need it is in situ it is permanent block, and be somebody's turn to do plug into closure process must the case where not cutting off the water it is complete At the underground reinforced concrete supplying drainage of major diameter, which is not cut off the water, plugs into blocking technology as problem in the industry all the time.

The corresponding underground reinforced new and old pipe of concrete supplying drainage of major diameter is not cut off the water joint technology, at present conventional existing biography System technology: after the completion of the armored concrete inspection shaft transformation plugged into vertical shaft, first injecting water toward newly-built pipeline, so that newly-built pipeline Inspection shaft and the water level of old pipeline are almost the same, and the gas for utilizing " four-in-one gas detecting instrument " to detect in old supplying drainage is dense Degree, detection finish it is safely controllable after, backman puts staircase of going into the well well in inspection shaft, and heavy diver is assisted to put on diving suit Diving face mirror is worn, the personal protective equipments such as safety rope are fastened.Newly-built inspection shaft diving is passed through by heavy diver in turn repeatedly It carries out abolishing head and the tail pipeline (underwater lighting chisels under water, cuts weldering, cleaning rubbish and pipe slag), envelope under water on the outside of into old pipeline Blocking up old pipe, (underwater lighting manually sets up crosshead under water, manually builds waterwall (using concrete curb, yellow mud, cement And the wooden tip is material)).

Existing tradition conventional at present do not cut off the water new and old pipe plug into blocking technology the shortcomings that:

(1) it plugs into manpower shortage: can be appreciated that underwater clear chisel cuts welding steel reinforced concrete and the underwater heavy type for building waterwall Few and east big city, the Midwest province such as be mainly distributed on Dalian, Tianjin, Shanghai, Guangzhou in deep diver the whole country City without skilled addressee and recruitment cost it is high.

(2) plug into costly and duration is not easy to control: the above-mentioned heavy deep diver's machine-team unit price of profession is high and by various Underwater poisonous and harmful substance conditionality, underwater visibility is low, can not large area work long hours, diver belongs to special work Kind, everyone working hour of every machine-team is very short, changing shifts frequently, working efficiency is low, costly and not can guarantee energy in the scheduled duration It completes.

(3) personnel's personal safety risk of plugging into is big: diver is not cut off the water deep diving operation in underground water supply and drainage pipe, work Make bad environments (in pipe there are not high perishable, the toxic and harmful gas water body of visibility and mud sundries hook pull trip, it is deep Fall into, vortex, undercurrent, gas burst etc.), it is bigger than conventional ocean diver's life security risk, it is unpredictalbe it is dangerous because Plain more, personal safety is difficult to obtain guarantee,.

(4) plugging into, it is not easy to control to block quality: being restricted by the special operating environment factor of the closed nocuousness in underground, project is built If, design, construction, management, construction administrator related personnel can only in advance to diver personnel plug into quality and safety friendship Bottom, entirely plug into block finally whether successfully largely depend on diver band water joint technology and sense of responsibility, project referring to Unit technical staff can not arrive working face in person and inspect for acceptance control.

(5) once failure, consequence are serious: once generation diver is drowned or is missing or closure of plugging into unsuccessfully causes periphery raw The matters of aggravation of state environmental pollution, loss can not be retrieved.

Summary of the invention

Do not cut off the water connecting device and method the purpose of the present invention is to provide the underground reinforced concrete supplying drainage of major diameter, It solves existing supplying drainage to plug into manpower shortage, the costly and duration is not easy to control, and personnel's personal safety risk is big and blocks Quality technical problem not easy to control.

The underground reinforced concrete supplying drainage of major diameter is not cut off the water connecting device, including top pipe shaft, inspection shaft, new pipe, Old pipe, lifting wirerope, diamond cut rope, reinforced concrete bottom plate, bed course, anti-shaft bottom seepage floor, suspension hook, rope saw, operation Platform, antiseepage element concrete and mixed mud flashboard,

The new pipe and old pipe are arranged at top pipe shaft bottom, the new pipe and the not parallel setting of old pipe, the inspection The transversal old pipe of well is arranged and is arranged in top pipe shaft bottom, and the new pipe connect and penetrates through with inspection shaft side, the lifting steel Cord and diamond cut rope interval and pass through and be wound on old pipe from old bottom of the tube, and the top pipe shaft bottom is set as reinforcing bar and mixes mud Native bottom plate, the bed course are arranged in reinforced concrete bottom base plate, and the new pipe and old pipe are arranged at reinforced concrete bottom plate Top, the anti-shaft bottom seepage floor setting are checking bottom, and the operating platform is across above inspection shaft, the rope saw Setting is cut both ends of restricting on the operational platform and with diamond and is connect, and the suspension hook hangs over the both ends of lifting wirerope, the mixed mud Native flashboard is arranged at the old pipe scarfing outside inspection shaft, and the upper end of mixed mud flashboard is arranged in the antiseepage element concrete.

Further, it is provided with above the inspection shaft and leads wall, the wall of leading is sealingly disposed in above inspection shaft.

Further, the lifting wirerope and diamond are cut on the old pipe that the equidistant interval of rope passes around inside inspection shaft With old pipe water flow to inspection shaft on the outside of on old pipe.

Further, it is that diamond cuts rope that the lifting wirerope and diamond, which cut the spaced both ends of rope,.

Further, the top pipe shaft is set as 11-13 meters of internal diameter of circular well, is set as vertical shaft on the inside of top pipe shaft Wall, well wall using it is brick at or reinforced concrete be made.

Further, it is provided with steel tube guardrail in the top pipe shaft bottom side, steel tube guardrail is fixed on ground level.

New pipe and old pipe are respectively positioned on the bottom of vertical shaft and substantially on same level datum level；The new pipe and old pipe are mutual It oblique but is not necessarily mutually vertical；The inspection shaft straight wall is transversal and wraps up old tube portion pipeline section and on silo bottom；Institute New pipe is stated to connect and penetrate through with inspection shaft side；The wirerope and saw rope are passed through and by U-shaped card hoop interval around needs in advance The old pipe pipeline section bottom cut off simultaneously is fixed temporarily to surface；The silo bottom and Fei Jiuguan view field is set as bottom plate； The bottom of bottom plate is arranged in the bed course；The new pipe is arranged above bottom plate, but old pipe immediately below it due to that should not empty Setting reinforced concrete floor blends bearing surface as anti-, need to separately use high-pressure rotary-spray leak-stopping layer；The shaft bottom high-pressure rotary-spray The bottom immediately below old pipe perspective plane is arranged in leak-stopping layer；The operating platform is directly supported on inspection shaft straight wall；It is described The fixed rope saw that is successively inserted on the operational platform and saw rope of rope saw carries out pipe cutting operation；The lifting equipment suspension hook Wirerope is successively inserted in removed pipeline is carried out to hang operation；It is described that prefabricated flashboard is inserted in using lifting equipment suspension hook Interception closure is carried out at old pipe scarfing outside inspection shaft；It is described in prefabricated flashboard periphery full irrigation antiseepage plain concrete.

New pipe and old pipe are respectively positioned on the bottom of vertical shaft and substantially on same level datum level；Newly, the mutual oblique of old pipe but It is not necessarily mutually vertical；Inspection shaft is transversal and wraps up old tube portion pipeline section and new pipe into (out) mouth of a river.

The wirerope and saw rope passed through in advance by U-shaped card hoop interval and around the old pipe pipeline section bottom for needing to cut off and to Surface is fixed temporarily, and enough rope lengths are reserved at saw rope and wirerope both ends, prevents slippage, movement.

The operating platform is directly supported on inspection shaft straight wall.

The fixed rope saw that is successively inserted on the operational platform and saw rope of the rope saw carries out pipe cutting operation.

The lifting equipment suspension hook is successively inserted in wirerope and removed pipeline is carried out to hang operation.

Described prefabricated flashboard is inserted at the old pipe scarfing outside inspection shaft using lifting equipment suspension hook carries out interception closure；

It is described in prefabricated flashboard periphery full irrigation antiseepage plain concrete, prefabricated flashboard periphery is carried out buried to prevent interface from seeping Leakage.

The underground reinforced concrete supplying drainage of major diameter is not cut off the water the method for plugging into, and the method for plugging into includes the following steps:

Step 1: driving saw rope to cut off two sections of old pipes as new and old pipe using electric hydaulic rope saw and plug into connection mouth and pre- Armored concrete processed blocks the bell and spigot that flashboard is inserted into old pipeline section；

Step 2: the old pipeline section for having cut and having removed is hung using well head lifting appliance；

Step 3: blocking and adopt using the hoisting prefabricated reinforced concrete flashboard insertion old pipeline bell and spigot of well head lifting appliance Flashboard periphery is carried out with concrete buried to prevent interface from leaking.

Further, old Guan Qianxian sawed in the step 1 prepare inspection shaft and erect wall, the quasi- old pipeline section range abolished just Lower section passes around the diamond saw rope and pipeline section hoisting wirerope of rope saw respectively in advance, at the same time quasi- with precast reinforced mixed Pass around diamond saw rope and hoisting wirerope immediately below the old pipeline section range of solidifying soil flashboard plugging respectively in advance, diamond saw rope and It reserves rope length and is respectively fixed temporarily rope position with U-shaped steel muscle respectively upwards in wirerope two sides.

Further, temporary steel wood platform is laid in the step 2 at the top of inspection shaft as hydraulic rope is fixed temporarily to saw The work support of machine, is successively inserted in diamond saw rope in place in advance, and rope saw drives diamond saw rope to cut off reinforced concrete Native pipeline section, well head lifting appliance hang the armored concrete pipeline section for having cut and having removed, the just connection success of new and old pipe in time.

Further, it is carried out in the step 3 using the hoisting prefabricated reinforced concrete flashboard insertion of well head lifting appliance old Pipe notch blocks and uses high grade plain concrete is buried to the progress of flashboard periphery to prevent interface from leaking, and old pipeline section is just blocked into Function.

Present invention employs above-mentioned technical proposal, the present invention is had following technical effect that

The present invention is time saving, saving of labor, saves money, saves worry, people-oriented, respect for life, advocate green construction；

(1) the usable labour of plugging into is sufficient: this technology process of plugging into belong to dry operation waterborne, mechanization (rope saw, Lifting machinery) degree is high, is not necessarily to the special rare work posts such as diver, it is only necessary to understand the worker using rope saw and other general works , saw cut application technology of restricting at present is very mature, rope saw equipment and cutting teams and groups all parts of the country have selection and price is not It is high；(2) expense of plugging into is cheap and the duration is controllable: process mechanism degree of plugging into is high, not by environment, proficiency's shadow of plugging into Ring, as long as be arranged by set transferring, execute in thing by scheme in advance, afterwards as long as can reach expected and plug into Sheet, quality, safety, constructing aims；(3) personnel's personal safety of plugging into is secure: this technology process of plugging into belong to dry operation waterborne, Without the special rare work post such as diver, without contact poisonous and harmful perishable gas or water body, it is only necessary to which understanding for several makes Worker and other general works with rope saw, as long as safety education and protection are in place, the probability for safety accident occur is little； (4) plugging into, it is quality controllable to block: this technology process of plugging into belongs to that dry operation waterborne, mechanization degree are high, and not by environment, plug into people Member is horizontal to be influenced, and project construction, construction, management, is built the whole floor manager of administrator related personnel energy and witnessed whole at design A process of plugging into；Process of entirely plugging into is rested in completely in the project side of taking part in building technical staff's hand；(5) probability of failure is small: this skill It is high that the art process of plugging into belongs to dry operation waterborne, mechanization degree, is not influenced by environment, the proficiency that plugs into, toxic without contacting Harmful perishable gas or water body, project construction, design, construction, management, construction administrator related personnel whole can command It entirely plugs into process with witnessing；Entirely plug into procedure quality, safety, progress is controllable, and the personnel of being substantially not present are drowned or plug into mistake Lose cause periphery ecological environment matters of aggravation may, accomplish it is people-oriented, respect for life, green construction.

Detailed description of the invention

Fig. 1 is new and old pipe connection front plan views of the invention.

Fig. 2 is A-A sectional view before new and old pipe connection of the invention.

Fig. 3 is plan view in new and old pipe connection of the invention.

Fig. 4 is A-A sectional view in new and old pipe connection of the invention.

Fig. 5 is new and old pipe connection back plan view of the invention.

Fig. 6 is A-A sectional view after new and old pipe connection of the invention.

Fig. 7 is that old pipe end of the invention blocks front plan views.

Fig. 8 is A-A sectional view before old pipe end of the invention blocks.

Fig. 9 is plan view during old pipe end of the invention blocks.

Figure 10 is A-A sectional view during old pipe end of the invention blocks.

Figure 11 is that old pipe end of the invention blocks back plan view.

Figure 12 is A-A sectional view after old pipe end of the invention blocks.

Figure 13 is new and old pipe connection water flowing of the invention and blocks successful designs schematic diagram of plugging into.

Number in figure: 1- top pipe shaft, 2- inspection shaft, 3- are newly managed, the interim barricade of 4-, the old pipe of 5-, 6- lift wirerope, 7- Diamond cuts rope, 8- leads wall, 9- steel tube guardrail, 10- well wall, 11- reinforced concrete bottom plate, 12- bed course, the anti-shaft bottom infiltration of 13- Drop ply, 14- suspension hook, 15- rope saw, 16- operating platform, 17- antiseepage element concrete, 18- mixed mud flashboard.

Specific embodiment

To make the objectives, technical solutions, and advantages of the present invention more comprehensible, referring to the drawings and preferred reality is enumerated Example is applied, the present invention is described in more detail.However, it is necessary to illustrate, many details listed in specification are only to be Reader is set to have a thorough explanation to one or more aspects of the present invention, it can also be with even without these specific details Realize the aspects of the invention.

As shown in figs. 1-12, including top pipe shaft 1, inspection shaft 2, new pipe 3, old pipe 5, lifting wirerope 6, diamond cut rope 7, reinforced concrete bottom plate 11, bed course 12, anti-shaft bottom seepage floor 13, suspension hook 14, rope saw 15, operating platform 16, antiseepage element concrete 17 and mixed mud flashboard 18,

The new pipe 3 and old pipe 5 are arranged at 1 bottom of top pipe shaft, the new pipe 3 and the not parallel setting of old pipe 5, described The transversal old pipe 5 of inspection shaft 2 is arranged and 1 bottom of top pipe shaft is arranged in, and the new pipe 3 connect and penetrates through with 2 side of inspection shaft, institute It states lifting wirerope 6 and diamond cuts 7 interval of rope and passes through and be wound on old pipe 5 from old 5 bottom of pipe, 1 bottom of top pipe shaft It is set as reinforced concrete bottom plate 11, the bed course 12 is arranged in 11 bottom of reinforced concrete bottom plate, the new pipe 3 and old pipe 5 It is arranged at 11 top of reinforced concrete bottom plate, the anti-shaft bottom seepage floor 13 is arranged in 2 bottom of inspection shaft, the operating platform 16 across above inspection shaft 2, and the setting of rope saw 15 is cut 7 both ends of restricting on operating platform 16 and with diamond and connect, institute The both ends that suspension hook 14 hangs over lifting wirerope 6 are stated, the mixed mud flashboard 18 is arranged at 5 scarfing of old pipe outside inspection shaft 2, institute State the upper end that mixed mud flashboard 18 is arranged in antiseepage element concrete 17.

After the completion of the inspection shaft plugged into vertical shaft erects wall, rope is passed around respectively in advance immediately below the quasi- old pipeline section range abolished The diamond saw rope A and pipeline section hoisting wirerope B of saw use prefabricated reinforced concrete flashboard H to block quasi- at the same time Diamond saw rope C and hoisting wirerope D are passed around respectively in advance immediately below old pipeline section range, so that saw of restricting from now on successively manage by excision Section, diamond saw rope and wirerope two sides reserve enough rope lengths and are respectively fixed temporarily rope position with U-shaped steel muscle respectively upwards, prevent Rope body is slipped and is crashed into well；

Temporary steel wood platform is laid at the top of the inspection shaft in vertical shaft of plugging into as the work for being fixed temporarily hydraulic rope saw Support, is successively inserted in diamond saw rope A in place in advance, and rope saw drives diamond saw rope to cut off armored concrete pipeline section

Hang the armored concrete pipeline section for having cut and having removed in time using the lifting appliance for pit mouth of plugging into, new and old pipe just connection Success.

The closure of old pipeline notch is carried out using the hoisting prefabricated reinforced concrete flashboard H insertion of the lifting appliance for pit mouth of plugging into And preventing interface from leaking using high grade plain concrete is buried to the progress of flashboard periphery, old pipeline section just blocks success

It is provided with above inspection shaft 2 described in the embodiment of the present invention and leads wall 8, the wall 8 of leading is sealingly disposed on inspection shaft 2 Side.The lifting wirerope 6 and diamond cut rope 7 and are equidistantly spaced on the old pipe 5 passed around inside inspection shaft 2 and old 5 water of pipe On the 2 old pipe 5 in outside of inspection shaft of flow direction.It is Buddha's warrior attendant that the lifting wirerope 6 and diamond, which cut 7 spaced both ends of rope, Stone cuts rope 7.

Temporary steel wood job platform: using 20# I-steel and 50 solid woods, with specific reference to fixed after Force Calculation.

The prefabricated flashboard H of armored concrete: long 4000X wide 4000X thickness 500mm, C35, arrangement of reinforcement are fixed after Force Calculation.

U-shaped spacer bar clip: diameter 12mm, overall length 400mm, every side bar planting anchor into tube wall 100, exposed 200.

Lifting wirerope B/ lifting wirerope D: the specific diameter of wirerope is fixed after Force Calculation, purchases as needed Lease or outsourcing

The shortcomings that the blocking of plugging into of not cutting off the water for the underground reinforced concrete supplying drainage of current major diameter is bold in innovation, It proposes that a kind of completely new change manually dives under water not cutting off the water to plug under water not cut off the water joint technology into mechanization waterborne, this method is main It is: uses electric hydaulic rope saw that saw rope cut-out armored concrete pipeline section is driven to plug into connection mouth and be pre- as new and old pipe Armored concrete processed blocks the old pipeline section of flashboard insertion and produces bell and spigot；Hang the steel for having cut and having removed in time using well head lifting appliance Reinforced concrete pipeline section；It is blocked using the hoisting prefabricated reinforced concrete flashboard insertion old pipeline notch of well head lifting appliance and uses height Label plain concrete is buried to the progress of flashboard periphery to prevent interface from leaking.

The present invention is that a kind of completely new underground reinforced concrete of change tradition major diameter manually dives under water under water to comb and do not cut off the water Blocking technology of plugging into is that mechanization waterborne is not cut off the water blocking technology of plugging into, which mainly uses electric hydaulic rope saw to cut off Part armored concrete pipeline section as new and old pipe plug into water flowing interface and for prefabricated reinforced concrete block flashboard be inserted into pipeline section make Bell and spigot out hangs the armored concrete pipeline section being cut into and lifting insertion under using the cooperation of well head lifting appliance in time Prefabricated reinforced concrete flashboard carries out old pipeline closure and prevents from connecing using high grade plain concrete is buried to the progress of flashboard periphery Mouth leakage.

Top pipe shaft 1 described in the embodiment of the present invention is set as 11-13 meters of internal diameter of circular well, sets on the inside of top pipe shaft 1 Be set to well wall 10, well wall 10 using it is brick at or reinforced concrete be made.It is arranged in 1 bottom side of top pipe shaft There is steel tube guardrail 9, steel tube guardrail 9 is fixed on ground level.

(1) the connection process flow of plugging into of new pipe and old pipe: 1. as shown in Figure 1, the perpendicular wall of the inspection shaft plugged into vertical shaft is complete Cheng Hou, the old pipeline section range for intending cutting off in inspection shaft (abolish notch length L=3000 >=caliber D=2800, it is ensured that overcurrent is cut Face meets the requirements) immediately below the segmentation that (considers that rope saw saw kerf is narrow, not stuck when hanging for later period pipeline section) as needed at tube bottom Cutting handling needs to pass around diamond saw rope (A1, A2, A3, A4) and lifting 19 wirerope of ф (B1, B2, B3), two sides respectively It reserves enough rope lengths and is respectively fixed temporarily rope position with U-shaped steel muscle clip respectively upwards, prevent rope body from slipping and crashing into well；② As shown in Figure 1, using the old of prefabricated reinforced concrete flashboard H (thick h=500) closure quasi- in vertical shaft, outside inspection shaft range Pipeline section range (notch length K=flashboard thickness h+100mm=600, it is ensured that be put in place after prefabricated reinforced concrete flashboard H from now on) Segmentation cutting handling needs to pass around diamond saw rope (C1, C2, C3) and lifting ф 19 respectively as needed at the tube bottom of underface Wirerope (D1, D2), two sides reserve enough rope lengths and are respectively fixed temporarily rope position with U-shaped steel muscle clip respectively upwards, prevent from restricting Body is slipped and is crashed into well；3. being sawed as shown in figure 4, being laid with temporary steel wood platform at the top of inspection shaft as hydraulic rope is fixed temporarily The support of machine injects water toward inspection shaft, so that almost the same with the water level of old pipeline in inspection shaft；4. as shown in Fig. 4, it utilizes 1 or more hydraulic rope saw is successively inserted in diamond saw rope A1, A2, A3, A4 in place in advance, and L segmentation is cut into 3 sections Pipeline section, during restricting saw cutting concrete reinforced pipe, the water in sewage and inspection shaft in pipe plays cooling to saw rope And lubricating action；5. as shown in figure 4, shown, using hydraulic rope saw be successively inserted in diamond saw rope C1 in place in advance, K sections of branches are cut into 2 sections of pipeline sections by C2, C3；6. being laid with interim steel platform before as shown in Figure 10, withdrawing at the top of inspection shaft, benefit With truck crane in Shaft bank, it is successively inserted in hoisting wirerope in place in advance (B1, B2, B3 and D1, D2, what is cut off It discards old pipeline section for L and K sections and hangs inspection shaft, old Tube Drain enters the notch L stoma success of new pipe, and the connection of new and old pipe is completed (such as Shown in Figure 10), simultaneously, intend from now on the notch K of prefabricated reinforced concrete flashboard H (thick h) closure also stoma completion (as shown in Figure 10),.

(2) it discards the permanent plugging technology process in situ of old pipe pipe end: 1. as shown in figure 12, being connect using lifting appliance Shaft bank is refuted, has used rope before the good armored concrete flashboard H insertion of well head surrounding ground in-situ precast before handling At the notch K that sawing removes；2. close prefabricated reinforced concrete flashboard H side periphery full irrigation element C30 in inspection shaft altitude range, in advance Armored concrete flashboard H permanent anchorage processed in the concrete on inspection shaft periphery, complete by permanent block in situ of old pipe pipe end, As shown in as shown in figure 12.

Wirerope and saw rope are passed through by U-shaped card hoop interval in advance and around the old pipe pipeline section bottoms for needing to cut off and on just Side is fixed temporarily, and change underwater operation from now on is dry operation waterborne.

The operating platform is directly supported on inspection shaft straight wall.

It drives saw rope to cut off two sections of old pipes as new and old pipe using electric hydaulic rope saw to plug into connection mouth and prefabricated flashboard It is inserted into the bell and spigot of old pipeline section；

Wirerope, which is inserted in, using well head lifting appliance suspension hook hangs the old pipeline section for having cut and having removed.

Old pipeline is inserted into prefabricated armored concrete flashboard is shifted to an earlier date in well head surrounding ground using well head lifting appliance Bell and spigot, which blocks, to be intercepted and prevents interface from leaking using impervious concrete is buried to the progress of flashboard periphery.

Old Guan Qianxian inspection shaft of having constructed is sawed to erect wall and pass around rope respectively in advance immediately below the quasi- old pipeline section range abolished The diamond saw rope and lifting wirerope of saw；At the same time in the quasi- old pipeline section with prefabricated reinforced concrete flashboard plugging Pass around diamond saw rope and lifting wirerope immediately below range respectively in advance, diamond saw rope and wirerope both ends are reserved enough Rope length is simultaneously respectively fixed temporarily rope position with U-shaped card hoop respectively upwards, prevents slippage, movement.

Fashioned iron temporary working platform is laid at the top of inspection shaft straight wall as the work bearing for being fixed temporarily hydraulic rope saw Platform.

Diamond saw rope in place in advance is inserted in the rope saw fixation on the operational platform and successively.

It drives saw rope to cut off two sections of old pipes as new and old pipe using electric hydaulic rope saw to plug into connection mouth and reinforced concrete The prefabricated flashboard of soil is inserted into the bell and spigot of old pipeline section；

Wirerope is inserted in using well head lifting appliance and hangs the old pipeline section for having cut and having removed, at this point, a large amount of water body streams in old pipe Enter in new pipe, new and old pipe connection water flowing success；

It is old the prefabricated flashboard insertion of prefabricated armored concrete is shifted to an earlier date in well head surrounding ground using well head lifting appliance Pipeline socket, which blocks, to be intercepted and prevents interface from leaking using impervious concrete is buried to the progress of flashboard periphery, at this point, in old pipe Whole water bodys flow into new pipe, and old pipe blocks successfully.

The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims

The connecting device 1. the underground reinforced concrete supplying drainage of major diameter is not cut off the water, it is characterised in that: including top pipe shaft (1), Inspection shaft (2), new pipe (3), old pipe (5), lifting wirerope (6), diamond cut rope (7), reinforced concrete bottom plate (11), bed course (12), anti-shaft bottom seepage floor (13), suspension hook (14), rope saw (15), operating platform (16), antiseepage element concrete (17) and mixed mud lock Plate (18),

The new pipe (3) and old pipe (5) are arranged at top pipe shaft (1) bottom, and are arranged in same level, the new pipe (3) it is arranged with old pipe (5) not parallel setting, the transversal old pipe (5) of inspection shaft (2) and top pipe shaft (1) bottom, institute are set It states new pipe (3) to connect and penetrate through with inspection shaft (2) side, the lifting wirerope (6) and diamond cut rope (7) interval from old pipe (5) bottom passes through and is wound on old pipe (5), and top pipe shaft (1) bottom is set as reinforced concrete bottom plate (11), the pad Layer (12), which is arranged, is arranged at reinforced concrete bottom plate in reinforced concrete bottom plate (11) bottom, the new pipe (3) and old pipe (5) (11) top, the anti-shaft bottom seepage floor (13) are arranged in inspection shaft (2) bottom, and the operating platform (16) is across in inspection shaft (2) top, the rope saw (15), which is arranged on operating platform (16) and cuts rope (7) both ends with diamond, to be connect, the suspension hook (14) both ends of lifting wirerope (6) are hung over, old pipe (5) scarfing in inspection shaft (2) outside is arranged in the mixed mud flashboard (18) Place, upper end of antiseepage element concrete (17) setting in mixed mud flashboard (18).
The connecting device 2. the underground reinforced concrete supplying drainage of major diameter according to claim 1 is not cut off the water, feature exist In: it is provided with and leads wall (8) above the inspection shaft (2), the wall (8) of leading is sealingly disposed in above inspection shaft (2).
The connecting device 3. the underground reinforced concrete supplying drainage of major diameter according to claim 1 is not cut off the water, feature exist In: it is described lifting wirerope (6) and diamond cut rope (7) equidistantly interval pass around inspection shaft (2) inside old pipe (5) on Old pipe (5) water flow to inspection shaft (2) on the outside of on old pipe (5).
The connecting device 4. the underground reinforced concrete supplying drainage of major diameter according to claim 1 is not cut off the water, feature exist Cutting rope (7) spaced both ends in: the lifting wirerope (6) and diamond is that diamond cuts rope (7).
The connecting device 5. the underground reinforced concrete supplying drainage of major diameter according to claim 1 is not cut off the water, feature exist In: the top pipe shaft (1) is set as 11-13 meters of internal diameter of circular well, is set as well wall (10) on the inside of top pipe shaft (1), Well wall (10) using it is brick at or reinforced concrete be made.
The connecting device 6. the underground reinforced concrete supplying drainage of major diameter according to claim 1 is not cut off the water, feature exist In: it is provided with steel tube guardrail (9) in top pipe shaft (1) bottom side, steel tube guardrail (9) is fixed on ground level.
The method of plugging into 7. the underground reinforced concrete supplying drainage of major diameter is not cut off the water, it is characterised in that: the method for plugging into includes Following steps:

Step 1: driving saw rope to cut off two sections of old pipes as new and old pipe using electric hydaulic rope saw and plug into connection mouth and pre-manufactured steel Reinforced concrete blocks the bell and spigot that flashboard is inserted into old pipeline section；

Step 2: the old pipeline section for having cut and having removed is hung using well head lifting appliance；

Step 3: blocking and use mixed using the hoisting prefabricated reinforced concrete flashboard insertion old pipeline bell and spigot of well head lifting appliance Solidifying soil is buried to the progress of flashboard periphery to prevent interface from leaking.
The method of plugging into 8. the underground reinforced concrete supplying drainage of major diameter according to claim 7 is not cut off the water, feature exist In: old Guan Qianxian is sawed in the step 1 and prepares the perpendicular wall of inspection shaft, is worn respectively in advance immediately below the quasi- old pipeline section range abolished The diamond saw rope and pipeline section hoisting wirerope of wiring saw are being intended with prefabricated reinforced concrete flashboard plugging at the same time Pass around diamond saw rope and hoisting wirerope immediately below old pipeline section range respectively in advance, diamond saw rope and wirerope two sides are reserved Rope length is simultaneously respectively fixed temporarily rope position with U-shaped steel muscle respectively upwards.
The method of plugging into 9. the underground reinforced concrete supplying drainage of major diameter according to claim 8 is not cut off the water, feature exist In: in the step 2 at the top of inspection shaft be laid with temporary steel wood platform as be fixed temporarily it is hydraulic restrict saw work support, according to Secondary to be inserted in diamond saw rope in place in advance, rope saw drives diamond saw rope to cut off armored concrete pipeline section, well head lifting Equipment hangs the armored concrete pipeline section for having cut and having removed, the just connection success of new and old pipe in time.
The method of plugging into 10. the underground reinforced concrete supplying drainage of major diameter according to claim 8 is not cut off the water, feature exist In: the closure of old pipeline notch is carried out simultaneously using the hoisting prefabricated reinforced concrete flashboard insertion of well head lifting appliance in the step 3 Prevent interface from leaking using high grade plain concrete is buried to the progress of flashboard periphery, old pipeline section just blocks success.