CN110529136A - Municipal blow-off line pipe jacking construction method - Google Patents
Municipal blow-off line pipe jacking construction method Download PDFInfo
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- CN110529136A CN110529136A CN201910786107.6A CN201910786107A CN110529136A CN 110529136 A CN110529136 A CN 110529136A CN 201910786107 A CN201910786107 A CN 201910786107A CN 110529136 A CN110529136 A CN 110529136A
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- drilling rod
- jacking
- concrete duct
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- well
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- 238000010276 construction Methods 0.000 title claims abstract description 43
- 238000005553 drilling Methods 0.000 claims abstract description 129
- 239000004567 concrete Substances 0.000 claims abstract description 117
- 239000002689 soil Substances 0.000 claims abstract description 21
- 238000009412 basement excavation Methods 0.000 claims abstract description 6
- 239000000178 monomer Substances 0.000 claims description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000003860 storage Methods 0.000 claims description 28
- 239000002023 wood Substances 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 230000013011 mating Effects 0.000 claims description 8
- 239000004570 mortar (masonry) Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 3
- 241000008090 Colias interior Species 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 244000309464 bull Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to a kind of municipal blow-off line pipe jacking construction method, which is suitable for the municipal blow-off line construction of short distance, short time limit, and is suitable for the condition of construction of soil relief complexity.Concrete duct is socketed with drilling rod front end always, to position by drilling rod to concrete duct, reduces the case where concrete duct offset collapses suddenly with soil, concrete duct is made to be easier to penetrate through along projected route to received well.Excavation and conevying efficiency to the earthwork in concrete duct are wherein improved by reamer and giant cooperation, to improve the construction efficiency of jacking construction entirety, it shortens the construction period, the condition of construction complex suitable for short distance and geology, soil support force is poor.
Description
Technical field
The present invention relates to the technical fields of tunnelling technology, more particularly, to a kind of municipal blow-off line jacking construction side
Method.
Background technique
Pipe jacking construction method is a kind of construction method of no-dig technique at present, by the construction method can it is few excavation or
Piping laying is carried out in the case where not excavating.At work, the top power that push-bench generates is for overcoming pipeline for pipe jacking construction method
With the frictional force of surrounding soil, pipeline is headed by the gradient of design into soil layer, and the earthwork is transported.Tool pipe or top
Pipe machine is advanced to always in reception hole across soil layer out of working pit and slings, and with the work of push-bench, pipeline will be by active well
The interior soil layer that passes through enters in received well.After pipeline follows tool pipe or development machine closely, it is embedded between two holes.
But during actual construction, due to the difference of construction site geographical environment, more place is when implementing jacking construction
It is all more troublesome, such as the drift sand geology of looseness of soil, head jacking rear stability is poor, and easily occurs head displacement in push pipe
The problem of with push pipe deviation, also easily damages between push pipe, brings inconvenience to jacking construction, reduces construction efficiency, therefore
There are rooms for improvement.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of municipal blow-off line jacking construction side
Method has the locating effect and construction efficiency improved to push pipe.
To achieve the above object, the present invention provides the following technical scheme that
A kind of municipal administration blow-off line pipe jacking construction method, comprising the following steps:
A. active well and received well are excavated: according to design pipe centerline and end positions, being dug downwards in selected construction location
Dig active well and received well；
B. crane is installed: moveable crane is set up above active well and received well；
C. push pipe jacking device is installed in active well: being laid with rubble in work bottom, a tree, used in making timber for boats wood is buried in rubble, is pacified on a tree, used in making timber for boats wood
Water storage tank is filled, push pipe guide rail is horizontally mounted on water storage tank, and push pipe jacking device, push pipe jacking are installed along push pipe guide rail direction
Equipment is provided with the first jack, and setting is used to support the rear parados of the first jack on the active well side wall；
D. drilling rod jacking device is installed in received well: being laid with rubble receiving bottom, a tree, used in making timber for boats wood is buried in rubble, is pacified on a tree, used in making timber for boats wood
Drill bit jacking device is filled, drill bit jacking device is provided with the second jack, and setting is used to support second on the received well side wall
The rear parados of jack, the second jack are fixed with driving motor towards the jacking of active well direction, the second jack extension end；
E. first section drilling rod monomer jacking: the driving end of drilling rod monomer and driving motor that first section is equipped with drill bit is fixed, and is led to
Drill bit jacking device jacking is crossed, excavates one 30~50 centimetres of depth on the received well side wall for being located at first section drilling rod monomer front end
Location hole is cooperated by drill bit jacking device and driving motor by head section drilling rod monomer jacking tunnel, so repeatedly jacking, until
Head is saved into the complete jacking received well side wall of drilling rod monomer；
F. drilling rod runs through active well: under placing between driving motor and first section drilling rod monomer again after head section drilling rod monomer jacking
New drilling rod monomer both ends are fixedly connected with driving motor and first section drilling rod monomer respectively, and repeat to bore by one section drilling rod monomer
Head jacking device and driving motor cooperate jacking drilling rod monomer, until first section drilling rod monomer runs through active well side wall；
G. first section concrete duct jacking: head section concrete duct is placed on push pipe guide rail, and passes through push pipe jacking device
Jacking excavates 30~50 centimetres of a depth, section configuration and head on the active well side wall positioned at first section concrete duct front end
The identical tunnel of concrete duct is saved, tunnel is arranged concentrically with drilling rod, and head is saved concrete duct top by push pipe jacking device
Into tunnel；
H. earth excavation in concrete duct: the reamer rotation installed in the first section concrete duct of driving, cooperation push pipe jacking are set
It is standby that head section concrete duct is continued into jacking, and giant is sprayed water towards reamer in first section pipe of concrete, and drilling rod exists at this time
It is mobile to the direction far from active well under the cooperation of drilling rod jacking device and driving motor, the mobile speed of concrete duct and drilling rod
Rate is identical；
I. concrete duct runs through received well: placing next section coagulation on push pipe guide rail again after head section concrete duct jacking
Native pipeline, and repeat jacking tube road and exit drilling rod, reamer and giant continue working, and all concrete duct jackings are straight
Run through received well to head section concrete duct；
J. concrete duct connects: all concrete ducts being connected and held out against by concrete bell-and-spigot pipe structure, concrete is held
Ring-like rubber ring is set between the socket and bellmouth of cannula structures, on the inside of the nozzle for holding out against rear any two neighboring concrete duct
Staying the hole between the gap of 10~20mm and two pipes is 10~15mm；What concrete duct was reserved after holding out against by concrete duct
Mud jacking hole carries out pipeline slip casting.
By above-mentioned setting, which is suitable for the municipal blow-off line construction of short distance, short time limit, and is suitable for soil
Earth condition of construction with a varied topography.By designing the length of pipeline and the position of pipe ends, generally make the both ends for designing pipeline
Across complicated landform, so that the position of active well and received well be made to be in above relatively stable soil environment.Excavate active well
With moveable crane is set up after received well above active well and received well, by crane carry out equipment lifting,
Transport etc..Then push pipe jacking device and drilling rod jacking device are installed respectively in active well and received well, wherein shaft bottom is laid with
Rubble and a tree, used in making timber for boats wood improve the bearing capacity in shaft bottom, and by being equipped with water storage tank at active well bottom, water storage tank for pair
Soil disintegrating slag that concrete duct is supported and is oriented to and rinses for receiving giant plays temporarily storing
Effect.Rear parados in active well and received well is respectively supported the first jack and the second jack, to make drilling rod
Or concrete duct overcomes the frictional force of soil to carry out jacking campaign.Drilling rod by several section drilling rod monomer compositions is first passed through from connecing
It receives well and to active well jacking and penetrates through received well and active well, one side drilling rod front end is equipped with sharp drill bit, and drilling rod
It spins under the action of driving motor drill bit jacking device jacking, so perforation received well compares concrete duct with active well
It is more easy.And connection is detachably fixed between drilling rod monomer, drilling rod is directly fixedly connected with drill bit jacking device, to work as
Drilling rod penetrates through when drift sand geology, solution cavity geology, and drilling rod is not easy entirely to collapse or lose, and compares down the machine to work independently
Head is easily lost and damages.After drilling rod is completely through received well and active well, concrete duct is socketed on drilling rod, is passed through
Push pipe jacking device carries out jacking, the reamer work installed in first section concrete duct at this time to the soil in concrete duct into
Row cutting, the soil that head is saved in concrete duct is cut to reamer rear under the action of reamer, and is washed away by giant
Mud is formed to flow along concrete duct and finally flow in water storage tank.Wherein during concrete duct jacking, bore
Bar spiral retreat, drilling rod rate travel is identical with the advancing rate of concrete duct, make concrete duct always with drilling rod front end
Socket, so that the case where positioning to concrete duct, reducing concrete duct offset and collapse suddenly, makes concrete duct
More easily penetrate through along projected route to received well.Wherein improved by reamer and giant cooperation in concrete duct
The excavation and conevying efficiency of the earthwork shortened the construction period to improve the construction efficiency of jacking construction entirety, be suitable for short distance and
The condition of construction that geology is complex, soil support force is poor.
The present invention is further arranged, and the water storage tank upper opening setting, the push pipe guide rail is fixed on above water storage tank
Opening two sides are simultaneously bonded with the concrete duct outer peripheral surface.
By above-mentioned setting, water storage tank upper opening is arranged consequently facilitating passing through high pressure water to what is flowed out in concrete duct
Rifle washes away the mud to be formed and is collected, and push pipe guide rail is the arc surface for being fixed on water storage tank upper opening two sides, circular arc
Face is bonded with concrete duct outer peripheral surface, to be supported and be oriented to concrete duct.
The present invention is further arranged, the water storage tank is communicated with outlet pipe, the outlet pipe other end be placed on the ground
Mortar pump connection.
By above-mentioned setting, it is communicated with outlet pipe in water storage tank, thus by the mud in water storage tank under the action of mortar pump
Slurry is pumped on ground, realizes the mud dynamic equilibrium in water storage tank, is reduced the mud in water storage tank and is overflowed pollution working environment
The case where.
The present invention is further arranged, and the first section concrete duct inner peripheral surface is fixedly connected with support frame, support frame as described above
Including 120 ° of support leg circumferentially spaced apart, the spray head of the giant and the support leg fix and towards the reamers
Setting.Before the new concrete duct of jacking, first the water supplying pipe of giant is dismantled and a segment length of plugging into, makes new water supply
Pipe is inside new concrete duct.
By above-mentioned setting, the branch being supported to giant and reamer is fixedly connected in head section concrete duct
Support, support frame passes through the support leg being intervally installed and is attached with head section concrete duct, so that there are for mud stream
Dynamic space.
The present invention is further arranged, and support frame as described above is fixedly connected with rotary electric machine, the output end of the rotary electric machine with
The reamer is fixedly connected and the reamer is driven to rotate.
By above-mentioned setting, the output end of rotary electric machine is fixedly connected to drive reamer to turn by driving motor with reamer
Dynamic, wherein rotary electric machine includes that the modes such as electric wire connection or battery power supply are powered by existing power supply mode.
The present invention is further arranged, if the reamer is through with dry cutting mouth, angularly circumference is set between the cutting mouth
It sets, the side of cutting mouth towards the received well is fixed with the bite of arc.
By above-mentioned setting, if being through with dry cutting mouth on the cutterhead of reamer, angularly circumference setting between mouth is cut, and
And the side of each notch towards received well is respectively and fixedly provided with the bite of arc, to make reamer to the earthwork in concrete duct
It cuts more uniform and continues.
The present invention is further arranged, and the drilling rod monomer outer peripheral surface offers external screw thread, the outer spiral shell of adjacent drilling rod monomer
Line is interconnected.
By above-mentioned setting, the external screw thread to communicate with each other is offered in the outer peripheral surface of drilling rod monomer, thus in drilling rod periphery
Face formed external screw thread, and then make drilling rod during probing be easier tunnel, and in drilling rod drilling process soil along drilling rod
The thread groove of outer peripheral surface moves out, and realizes probing, accelerates efficiency.
The present invention is further arranged, and one end protrusion of the drilling rod monomer is fixed with cross connector, and the other end is opened
Equipped with the connector cooperated with the connector shape, the adjacent drilling rod monomer is mating by connector and connector,
Fixing piece is fixed between the adjacent drilling rod monomer.
By above-mentioned setting, it is fixed with cross connector drilling one end protrusion far from drill bit jacking device, separately
One end offers the connector with the cooperation of connector shape, passes through connector between adjacent drill pipes monomer and connector is mating
It is fixed by fixing piece, is detachably connected to make to realize between drilling rod monomer again afterwards, and then realize that the length of drilling rod can
It adjusts.
The present invention is further arranged, and the driving end of the driving motor is provided with the clamping mating with the connector
Part is fixed with fixing piece between the shackle member and the adjacent drilling rod monomer.
By above-mentioned setting, the driving end of driving motor is provided with the shackle member mating with connector, shackle member
Shape it is similar to connector, and shackle member and adjacent drilling rod monomer are fixed by fixing piece, by drilling rod monomer top
New drilling rod monomer is connected between drill bit jacking device and drilling rod monomer after, to continue jacking drilling rod.
The present invention is further arranged, and the drill bit offers the clamping with the cooperation of connector shape far from one end of sharp end
Mouthful.
By above-mentioned setting, by the setting of card interface, convenient for drill bit and any drilling rod monomer are attached, thus
The adaptability for improving drilling rod integrated connection, is easily installed and can be by prefabricated reduction production cost.
In conclusion the invention has the following advantages:
1. being penetrated through by setting drilling rod from received well to active well direction, then concrete duct and drilling rod are socketed again, and leads to
Reamer and giant cooperation are crossed by the setting of the earthwork cleaning in concrete duct, so that between concrete duct and drilling rod
The earthwork is relatively isolated, consequently facilitating reamer and giant are cleared up, and drilling rod is in the process of concrete duct jacking
It is middle to keep identical rate travel, to make concrete duct be socketed always with drilling rod, and then by drilling rod to concrete duct
Guiding role is carried out, and drilling rod can also be supported concrete duct in holding givey soil environment；
2. it is clamped by several mandril monomers by connector and connector by setting mandril and is fixed by fixing piece, from
And makes that torque can be transmitted between mandril monomer and will not be separated during retreating；
3. being provided with close to the side of active well towards hinge by being rotatably connected to reamer in head section concrete duct in reamer
The giant in knife direction, thus by giant by the soil scour out mud under cutting, and then make mud along concrete
Pipeline flows in water storage tank, realizes the removing to the earthwork in first section concrete duct.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the construction cross-section diagram of the present embodiment；
Fig. 3 is the structural schematic diagram of first section concrete duct in the present embodiment；
Fig. 4 is the enlarged drawing in Fig. 3 at A；
Fig. 5 is the structural schematic diagram of drilling rod monomer, drill bit and driving motor in the present embodiment.
Appended drawing reference: 1, active well；11, push pipe jacking device；12, water storage tank；121, outlet pipe；122, mortar pump；13,
Push pipe guide rail；14, the first jack；2, received well；21, drill bit jacking device；22, the second jack；23, driving motor；
231, shackle member；3, crane；4, drilling rod monomer；41, drill bit；42, connector；43, connector；44, card interface；5, concrete
Pipeline；51, reamer；511, mouth is cut；512, bite；52, giant；53, support frame；54, support leg；55, rotation electricity
Machine.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
As shown in Figure 1 to Figure 2, a kind of municipal blow-off line pipe jacking construction method disclosed by the invention, includes the following steps:
A. active well 1 and received well 2 are excavated: downward in selected construction location according to design pipe centerline and end positions
Excacation well 1 and received well 2；The clear depth of active well 1 and received well 2 is three meter Zhi Jiu meters, active well 1,2 surrounding of received well
Side wall casting reinforced concrete, active well 1,2 shaft bottom of received well are laid with concrete sealing bottom and casting reinforced concrete bottom plate (in figure
It is not shown), to improve the bearing capacity of active well 1,2 shaft bottom of received well.
B. crane 3 is installed: moveable crane 3 is set up above active well 1 and received well 2；Active well 1 receives
Movable type working platform is set on well 2, crane boom is set on movable type working platform, and crane boom loads heavy-duty machine 3, to realize crane
3 movement, and then conveniently the equipment in active well 1, received well 2 is lifted.
C. push pipe jacking device 11 is installed in active well 1: being laid with rubble (not shown), rubble in 1 bottom of active well
Interior embedded a tree, used in making timber for boats wood (not shown) installs water storage tank 12 on a tree, used in making timber for boats wood, push pipe guide rail 13, and edge is horizontally mounted on water storage tank 12
Push pipe jacking device 11 is installed in 13 direction of push pipe guide rail, and push pipe jacking device 11 is provided with the first jack 14, the active well 1
Setting is used to support the rear parados of the first jack 14 on side wall；1 side wall of active well is improved to the first jack by rear parados
14 enabling capabilities.
D. drilling rod jacking device is installed in received well 2: being laid with rubble in 2 bottom of received well, a tree, used in making timber for boats wood, a tree, used in making timber for boats are buried in rubble
41 jacking device 21 of drill bit is installed, 41 jacking device 21 of drill bit is provided with the second jack 22, on 2 side wall of received well on wood
The rear parados for being used to support the second jack 22 is set, and the second jack 22 is towards 1 direction jacking of active well, the second jack 22
Extension end is fixed with driving motor 23；1 side wall of active well is improved to the enabling capabilities of the second jack 22 by rear parados.
E. first section drilling rod jacking: the driving end of drilling rod monomer 4 and driving motor 23 that first section is equipped with drill bit 41 is consolidated
It is fixed, and by 41 jacking device of drill bit, 21 jacking, one is excavated on 2 side wall of received well for being located at first section 4 front end of drilling rod monomer
Head is saved 4 jacking of drilling rod monomer by 41 jacking device 21 of drill bit and the cooperation of driving motor 23 by deep 30~50 centimetres of location hole
Tunnel, so repeatedly jacking, until head is saved complete 2 side wall of jacking received well of drilling rod monomer 4；Wherein first section drilling rod monomer 4 pushes up
Driving motor 23 and first section drilling rod monomer 4 are released and connected after into 2 side wall of received well.
F. drilling rod runs through active well 1: after head section 4 jacking of drilling rod monomer again driving motor 23 and first section drilling rod monomer 4 it
Between place next section drilling rod monomer 4, new 4 both ends of drilling rod monomer are fixed with driving motor 23 and first section drilling rod monomer 4 respectively
Connection, and 41 jacking device 21 of drill bit and the cooperation jacking drilling rod monomer 4 of driving motor 23 are repeated, until first section drilling rod monomer 4 passes through
Wear 1 side wall of active well；Wherein first section drilling rod monomer 4 moves the second jack 22 and driving motor 23 backward, passes through crane 3
By the second section drilling rod monomer 4 lifting to head section drilling rod monomer 4 and driving motor 23 between, by the second section drilling rod monomer 4 respectively with
Head section drilling rod monomer 4 and driving motor 23 connect, and continue jacking process.
G. first section 5 jacking of concrete duct: head section concrete duct 5 is placed on push pipe guide rail 13, and passes through push pipe
11 jacking of jacking device, excavated on 1 side wall of active well for being located at first section 5 front end of concrete duct 30~50 centimetres of a depth,
Section configuration tunnel identical with head section concrete duct 5, tunnel are arranged concentrically with drilling rod, will be first by push pipe jacking device 11
Save 5 jacking tunnel of concrete duct；
H. earth excavation in concrete duct 5: the reamer 51 installed in the first section concrete duct 5 of driving rotates, and cooperates push pipe top
Head section concrete duct 5 is continued into jacking into equipment 11, and giant 52 is sprayed water towards reamer 51 in first section pipe of concrete,
Drilling rod is mobile to the direction far from active well 1 under the cooperation of drilling rod jacking device and driving motor 23 at this time, concrete duct 5
It is identical with the rate travel of drilling rod；
I. concrete duct 5 runs through received well 2: placing next section on push pipe guide rail 13 again after head section 5 jacking of concrete duct
Concrete duct 5, and repeat jacking tube road and exit drilling rod, reamer 51 and giant 52 continue working, by all concrete
5 jacking of pipeline is until first section concrete duct 5 runs through received well 2；Wherein after first section 5 jacking of concrete duct a part, by the
One jack 14 is shunk, and is lifted the second section concrete duct 5 to push pipe guide rail 13 by crane 3, and save coagulation with head
Native pipeline 5 connects, to continue jacking process by the first jack 14 until first section concrete duct 5 runs through received well 2.Its
In before the new concrete duct 5 of jacking, first the water supplying pipe of giant 52 is dismantled and a segment length of plugging into, makes new water supply
Pipe is inside new concrete duct 5.
J. concrete duct 5 connects: all concrete ducts 5 being connected and held out against by concrete bell-and-spigot pipe structure, are mixed
Ring-like rubber ring is set between the socket and bellmouth of solidifying soil bell-and-spigot pipe structure, holds out against rear any two neighboring concrete duct 5
It is 10~15mm that the hole between the gap and two pipes of 10~20mm is stayed on the inside of nozzle；Concrete duct 5 passes through concrete after holding out against
The reserved mud jacking hole of pipeline 5 carries out pipeline slip casting.
As shown in Figure 3 to Figure 4,12 upper opening of water storage tank is arranged, and wherein push pipe guide rail 13 is fixed on the upper of water storage tank 12
Side opening two sides, push pipe guide rail 13 is that the cross section being bonded with 5 outer peripheral surface of concrete duct is arc-shaped slideway, to pass through
The effect that push pipe guide rail 13 is oriented to and is limited to concrete duct 5.Wherein water storage tank 12 is communicated with outlet pipe 121, water outlet
121 other end of pipe is communicated with the mortar pump 122 being placed on the ground, and will be washed away out by giant 52 by mortar pump 122
Collection on the mud pumping to ground in water storage tank 12, reduce overflow water storage tank 12 active well 1 is polluted.
The inner peripheral surface of head section concrete duct 5 is fixed with support frame 53, and support frame 53 includes three groups circumferentially spaced apart
120 ° of support leg 54, support leg 54 and the inner peripheral surface of concrete duct 5 are fixed.The spray head and support leg 54 of giant 52 are solid
Determine and be arranged towards reamer 51, rotary electric machine 55 is fixedly connected with support frame 53, and the output end of rotary electric machine 55 is set towards drilling rod
It sets, reamer 51 and the output end of rotary electric machine 55 are fixed, and rotary electric machine 55 drives reamer 51 to rotate.
Wherein reamer 51 is disc, and reamer 51 is arranged concentrically with concrete duct 5, if reamer 51 is through with dry cutting mouth
511, if angularly circumference is arranged between dry cutting mouth 511, the side protrusion for writing notch towards drilling rod direction is fixed with arc
Bite 512, reamer 51 is towards the edge of a knife direction of bite 512.
As shown in Figure 3 and Figure 5, if drilling rod is made of dry pipe monomer 4, the outer peripheral surface of drilling rod monomer 4 offers external screw thread,
And it is interconnected between the external screw thread of adjacent drilling rod monomer 4.4 one end of drilling rod monomer protrusion is fixed with cross connector
42, the other end offers the connector 43 with the cooperation of 42 shape of connector.Adjacent bull stick monomer passes through connection in the axial direction
Fixing piece is connected between part 42 and the mating and adjacent drilling rod monomer 4 of connector 43, fixing piece is perforation drilling rod list
The sunk screw of the connector 42 of body 4 and adjacent drill pipes monomer 4.To make adjacent drilling rod by connector 42 and connector 43
Torque can be transmitted between monomer 4, and is not readily separated drilling rod monomer 4 when moving in the axial direction.
Wherein the driving end of driving motor 23 is fixed with the cross shackle member 231 mating with connector 43, and
And drilling rod monomer 4 and the driving end of driving motor 23 are attached by connector 43 and 231 inserting mode of shackle member, and are passed through
Fixing piece is fixed, and fixing piece is the sunk screw for penetrating through drilling rod monomer 4 and shackle member 231.
Drill bit 41 offers the card interface 44 with the cooperation of 42 shape of connector far from one end of sharp end, and drill bit 41 passes through card
Interface 44 and 42 grafting of connector are simultaneously screwed by sunk screw, can be by drill bit 41 when drill bit 41 runs through active well 1
Drilling rod is moved backward again after disassembly.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of municipal administration blow-off line pipe jacking construction method, it is characterized in that: the following steps are included:
A. active well (1) and received well (2) are excavated: according to design pipe centerline and end positions, in selected construction location
Downward excacation well (1) and received well (2)；
B. crane (3) is installed: setting up moveable crane (3) above active well (1) and received well (2)；
C. interior push pipe jacking device (11) installation of active well (1): it is laid with rubble in active well (1) bottom, buries a tree, used in making timber for boats in rubble
Wood is installed water storage tank (12) on a tree, used in making timber for boats wood, is horizontally mounted on water storage tank (12) push pipe guide rail (13), and along push pipe guide rail (13) side
To installation push pipe jacking device (11), push pipe jacking device (11) is provided with the first jack (14), active well (1) side wall
It is upper that the rear parados for being used to support the first jack (14) is set；
D. the interior drilling rod jacking device installation of received well (2): it is laid with rubble in received well (2) bottom, a tree, used in making timber for boats wood, a tree, used in making timber for boats are buried in rubble
Drill bit (41) jacking device (21) is installed, drill bit (41) jacking device (21) is provided with the second jack (22), described to connect on wood
The rear parados that setting on well (2) side wall is used to support the second jack (22) is received, the second jack (22) is square towards active well (1)
To jacking, the second jack (22) extension end is fixed with driving motor (23)；
E. first section first section drilling rod monomer (4) jacking: is equipped with to drilling rod monomer (4) and driving motor (23) of drill bit (41)
Driving end is fixed, and by drill bit (41) jacking device (21) jacking, in the received well for being located at first section drilling rod monomer (4) front end
(2) location hole that one 30~50 centimetres of depth are excavated on side wall, passes through drill bit (41) jacking device (21) and driving motor (23)
Head is saved drilling rod monomer (4) jacking tunnel, so repeatedly jacking by cooperation, until head section drilling rod monomer (4) jacking completely is received
Well (2) side wall；
F. drilling rod runs through active well (1): again in driving motor (23) He Shoujie drilling rod monomer after head section drilling rod monomer (4) jacking
(4) next section drilling rod monomer (4) is placed between, and new drilling rod monomer (4) both ends are bored with driving motor (23) and first section respectively
Bar monomer (4) is fixedly connected, and repeats drill bit (41) jacking device (21) and driving motor (23) cooperation jacking drilling rod monomer
(4), until first section drilling rod monomer (4) runs through active well (1) side wall；
G. first section concrete duct (5) jacking: head section concrete duct (5) is placed on push pipe guide rail (13), and passes through top
Pipe jacking device (11) jacking, excavated on active well (1) side wall for being located at first section concrete duct (5) front end a depth 30~
50 centimetres, section configuration and the identical tunnel of first section concrete duct (5), tunnel are arranged concentrically with drilling rod, pass through push pipe jacking
Head is saved concrete duct (5) jacking tunnel by equipment (11)；
H. concrete duct (5) interior earth excavation: reamer (51) rotation installed in first section concrete duct (5) of driving, cooperation
Head section concrete duct (5) is continued jacking, and giant (52) court in first section pipe of concrete by push pipe jacking device (11)
It sprays water to reamer (51), drilling rod is under the cooperation of drilling rod jacking device and driving motor (23) to separate active well (1) at this time
Direction is mobile, and concrete duct (5) is identical with the rate travel of drilling rod；
I. concrete duct (5) runs through received well (2): putting on push pipe guide rail (13) again after head section concrete duct (5) jacking
Next section concrete duct (5) is set, and repeats jacking tube road and exits drilling rod, reamer (51) and giant (52) continue work
Make, by (5) jacking of all concrete ducts until first section concrete duct (5) runs through received well (2)；
J. concrete duct (5) connects: all concrete ducts (5) being connected and held out against by concrete bell-and-spigot pipe structure, are mixed
Ring-like rubber ring is set between the socket and bellmouth of solidifying soil bell-and-spigot pipe structure, any two neighboring concrete duct (5) after holding out against
Nozzle on the inside of stay the hole between the gap and two pipes of 10~20mm to be 10~15mm；Concrete duct (5) passes through mixed after holding out against
The reserved mud jacking hole of solidifying soil pipeline (5) carries out pipeline slip casting.
2. municipal administration blow-off line pipe jacking construction method according to claim 1, it is characterized in that: above the water storage tank (12)
Opening setting, the push pipe guide rail (13) be fixed on water storage tank (12) upper opening two sides and with the concrete duct (5) outside
Circumferential surface fitting.
3. municipal administration blow-off line pipe jacking construction method according to claim 2, it is characterized in that: the water storage tank (12) is connected to
Have outlet pipe (121), outlet pipe (121) other end is connected to the mortar pump (122) being placed on the ground.
4. municipal administration blow-off line pipe jacking construction method according to claim 1, it is characterized in that: the first section concrete duct
(5) inner peripheral surface is fixedly connected with support frame (53), and support frame as described above (53) includes 120 ° of support leg (54) circumferentially spaced apart,
The spray head of the giant (52) and the support leg (54) are fixed and are arranged towards the reamer (51).
5. municipal administration blow-off line pipe jacking construction method according to claim 4, it is characterized in that: support frame as described above (53) is fixed
It is connected with rotary electric machine (55), the output end of the rotary electric machine (55) is fixedly connected with the reamer (51) and drives the hinge
Knife (51) rotation.
6. municipal administration blow-off line pipe jacking construction method according to claim 1, it is characterized in that: the reamer (51) is through with
If dry cutting mouth (511), angularly circumference is arranged between the cutting mouth (511), and the cutting mouth (511) is towards the reception
The side of well (2) is fixed with the bite (512) of arc.
7. municipal administration blow-off line pipe jacking construction method according to claim 1, it is characterized in that: the drilling rod monomer (4) is outside
Circumferential surface offers external screw thread, and the external screw thread of adjacent drilling rod monomer (4) is interconnected.
8. municipal administration blow-off line pipe jacking construction method according to claim 1, it is characterized in that: the drilling rod monomer (4)
One end protrusion is fixed with cross connector (42), and the other end offers the connector with the cooperation of the connector (42) shape
(43), the adjacent drilling rod monomer (4) is mating by connector (42) and connector (43), the adjacent drilling rod monomer
(4) fixing piece is fixed between.
9. municipal administration blow-off line pipe jacking construction method according to claim 8, it is characterized in that: the driving motor (23)
Driving end is provided with the shackle member (231) mating with the connector (43), the shackle member (231) with it is adjacent described
Drilling rod monomer is fixed with fixing piece between (4).
10. according to any municipal blow-off line pipe jacking construction method of claim 8, it is characterized in that: the drill bit (41)
One end far from sharp end offers the card interface (44) with the cooperation of connector (42) shape.
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| CN201910786107.6A CN110529136B (en) | 2019-08-23 | 2019-08-23 | Municipal sewage pipeline jacking pipe construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910786107.6A CN110529136B (en) | 2019-08-23 | 2019-08-23 | Municipal sewage pipeline jacking pipe construction method |
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| CN110529136B CN110529136B (en) | 2021-06-08 |
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| CN111287215A (en) * | 2020-02-10 | 2020-06-16 | 湖南省西城建设有限公司 | Structure crossing urban road underground passage and construction method thereof |
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