CN205000973U - Riverbed bottom heavy -calibre push pipe construction equipment - Google Patents
Riverbed bottom heavy -calibre push pipe construction equipment Download PDFInfo
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- CN205000973U CN205000973U CN201520765741.9U CN201520765741U CN205000973U CN 205000973 U CN205000973 U CN 205000973U CN 201520765741 U CN201520765741 U CN 201520765741U CN 205000973 U CN205000973 U CN 205000973U
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Abstract
The utility model relates to a water conservancy construction equipment, especially a riverbed bottom push pipe construction equipment. The utility model provides a riverbed bottom heavy -calibre push pipe construction equipment, including the pipe pushing jack main part, advance row mud system, muddy water processing system, a main top system, measurement system, handling system, power supply system and entrance to a cave sealing collar, the pipe pushing jack main part is including the tunnelling aircraft nose, the tunnelling aircraft nose includes main shaft, muddy water storehouse, sword disc plate, cleaning shoe, hydraulic jack, first inlet tube, motor, gear reducer, gear train mould assembling, drain pipe, cutting blade disc, what the main shaft was rotatable installs at tunnelling aircraft nose middle part, the motor passes through gear reducer and links to each other with the main shaft, the muddy water position in storehouse is anterior in the tunnelling aircraft nose, first inlet tube is located main shaft upper portion, inserts the muddy water storehouse, it is anterior that sword disc plate lies in the tunnelling aircraft nose, the cleaning shoe is close to tunnelling aircraft nose inner wall, hydraulic jack is located the overhead portion of entry driving machine.
Description
Technical field
The utility model relates to a kind of water conservancy construction equipment, jacking construction equipment bottom especially a kind of riverbed.
Background technology
Mankind's " dado " live in concentrated communities, and develop and are city, describing the critical role of water environment in urban development.It not only provides the water resource that the mankind depend on for existence, and maintain and affect the matter and energy circulation of whole urban ecological system.But, in urban development process, due to the result of mankind's activity, many river courses are contaminated, go out of use, be landfilled, and the quality of urban water-body, distribution, function and the ecosystem there occurs change all to some extent, particularly due to the development of the modern industry, the concentrations of population, Urban Water Environment is generally polluted, and ecology is damaged, cause the integration capability of the network of waterways, city self increasingly to weaken, this has become current outstanding Urban Environmental Problem.Urban development needs to build, and especially urban infrastructure, comprises approach system,, there is imperfection or not perspective, and there is incoordination with hydraulic engineering construction in supply and drain water systems etc., Urban Water Environment is worsened add huge, and then life of urban resident is caused have a strong impact on.How effectively to improve the cardinal task that water environment has become hydraulic department, the bugle of water environment treatment has been blowed in the enforcement of running water engineering, clear water engineering etc., by urban periphal defence river water, introduce each river course of main city zone, then control water (flow) direction through the facility such as sluice, pumping plant.Discharge water body and finally get back to urban periphal defence river course, thus reach the requirement improving river course water environment and raising people quality of the life in city.But because land resources original in city is at full stretch, the demand that Xinkai River road carries out diversion operation cannot be met, the breach how utilizing existing waterway to adopt new method water delivery to become harnessing project effectively to implement.
Utility model content
In order to solve the deficiency that prior art exists, the utility model provides one and carries out heavy excavation without the need to drawing water, and does not affect former river course and normally runs, only at import and export two ends, and heavy caliber pipe-jacking construction equipment bottom the riverbed utilizing heavy caliber pipe-jacking machine to advance.
Heavy caliber pipe-jacking construction equipment bottom a kind of riverbed in the utility model, comprise push-bench main body, enter sludge drainage system, Slurry treatment system, main top system, measuring system, lifting system, electric power system and hole sealing collar, described push-bench main body comprises driving head, described driving head comprises main shaft, muddy water storehouse, cutterhead plate, cleaning shoe, hydraulic jack, first water inlet pipe, motor, gear reduction unit, gear train mould assembling, gutter, Cutting tool, described main shaft is rotating is arranged on development machine centriciput, described motor is connected with main shaft by gear reduction unit, described muddy water position in storehouse is anterior in driving head, described first water inlet pipe is positioned at main shaft top, access muddy water storehouse, it is anterior that described cutterhead plate is positioned at driving head, described cleaning shoe is near driving head inwall, described hydraulic jack is positioned at driving head top.Described first water inlet pipe and gutter can circulate water and mud.Carrying out heavy excavation without the need to drawing water, not affecting former river course and normally running, only at import and export two ends, utilize heavy caliber pipe-jacking machine to advance, required investment is less, affects little, be convenient to spread by external condition; Mud and water balance construction technology is comparatively easy, and because of without the need to heavy excavation operation of cutting off the water supply by way of river course, mutually disturbs little, and when power supply ensures and import and export section transportation condition meets, just deployable construction among a small circle, can improve construction speed greatly; Effectively can keep the stable of excavation surface, smaller to the soil disturbance of pushed up tube periphery.Therefore, the surface settlement adopting the method push pipe to cause is less; Can adopt by centre push pipe operation respectively to both sides, can greatly increase jacking construction length, not only economize on resources but also can accelerating construction progress.
As preferably, described motor is 6.Construction is reliable, and digging efficiency is high.
As preferably, also comprise the second water inlet pipe, described second water inlet pipe is positioned at driving head bottom.Second water inlet pipe can circulate water and mud, and multiple water inlet pipe, efficiency of construction is high.
As preferably, also comprise Remote module, described Remote module is used for the running of Long-distance Control jacking construction equipment.Realize Remote, jacking, rectify a deviation, send mud, spoil disposal all to be controlled by computer remote in terrestrial operation room, avoid operator to place oneself in the midst of head inside for a long time, ensure that the safety of constructor.
As preferably, also comprise the laser reflection type direction induction device for locating.Guiding accuracy is high, simple to operate and accurate.
As preferably, described Cutting tool place is provided with high-pressure sprayer.High-pressure sprayer, sticks with paste under effectively can overcoming argillic horizon situation and bores and plugging phenomenon, greatly improve jacking efficiency.
The beneficial effects of the utility model:
A) push-bench realizes Remote, jacking, rectifies a deviation, send mud, spoil disposal all to be controlled by computer remote in terrestrial operation room, avoids operator to place oneself in the midst of head inside for a long time, ensure that the safety of constructor;
B) machine internal by-pass device standardization, shortens set-up time and the obstruction preventing muddy water pipeline greatly;
C) the laser reflection type direction induction device of a new generation can make simple to operate and accurate;
D) be applicable to that soil property scope is wide, push pipe distance.Applicability is extremely strong, under can be used for various soil condition, as clay soil, sand, gravel soil etc.;
E) Cutting tool place arranges high-pressure sprayer, sticks with paste and bores and plugging phenomenon, greatly improve jacking efficiency under effectively can overcoming argillic horizon situation;
F) head self is comparatively light, can avoid sinking in weak soil.
Accompanying drawing explanation
Fig. 1 tunnels head right view.
Fig. 2 tunnels head sectional view.
Fig. 3 tunnels head left view.
Mark in figure: 1, main shaft, 2, muddy water storehouse, 3, cutterhead plate, 4, cleaning shoe, 5, hydraulic jack, 6, hoisting ring, 7, the first water inlet pipe, 8, motor, 9, gear reduction unit, 10, gear train mould assembling, the 11, second water inlet pipe, 12, gutter, 13, jack stand, 14, access door, 15, base plate reinforcing rib, 16, outside access door, 17, main cutting cutter.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, but this should be interpreted as that the scope of above-mentioned theme of the present utility model is only limitted to above-described embodiment.
As Figure 1-3, heavy caliber pipe-jacking construction equipment bottom a kind of riverbed, comprise push-bench main body, enter sludge drainage system, Slurry treatment system, main top system, measuring system, lifting system, electric power system and hole sealing collar, described push-bench main body comprises driving head, described driving head comprises main shaft 1, muddy water storehouse 2, cutterhead plate 3, cleaning shoe 4, hydraulic jack 5, first water inlet pipe 7, motor 8, gear reduction unit 9, gear train mould assembling 10, gutter 12, Cutting tool, described main shaft 1 is rotating is arranged on development machine centriciput, described motor 8 is by gear reduction unit 9, gear train mould assembling 10 is connected with main shaft, it is anterior that described muddy water storehouse 2 is positioned at driving head, described first water inlet pipe 7 is positioned at main shaft 1 top, access muddy water storehouse 2, it is anterior that described cutterhead plate 3 is positioned at driving head, described cleaning shoe 4 is near driving head inwall, described hydraulic jack is positioned at driving head top.Described first water inlet pipe and gutter can circulate water and mud.Carrying out heavy excavation without the need to drawing water, not affecting former river course and normally running, only at import and export two ends, utilize heavy caliber pipe-jacking machine to advance, required investment is less, affects little, be convenient to spread by external condition; Mud and water balance construction technology is comparatively easy, and because of without the need to heavy excavation operation of cutting off the water supply by way of river course, mutually disturbs little, and when power supply ensures and import and export section transportation condition meets, just deployable construction among a small circle, can improve construction speed greatly; Effectively can keep the stable of excavation surface, smaller to the soil disturbance of pushed up tube periphery.Therefore, the surface settlement adopting the method push pipe to cause is less; Can adopt by centre push pipe operation respectively to both sides, can greatly increase jacking construction length, not only economize on resources but also can accelerating construction progress.
As preferably, described motor is 6.Construction is reliable, and digging efficiency is high.
As preferably, also comprise the second water inlet pipe, described second water inlet pipe is positioned at driving head bottom.Second water inlet pipe can circulate water and mud, and multiple water inlet pipe, efficiency of construction is high.
As preferably, also comprise Remote module, described Remote module is used for the running of Long-distance Control jacking construction equipment.Realize Remote, jacking, rectify a deviation, send mud, spoil disposal all to be controlled by computer remote in terrestrial operation room, avoid operator to place oneself in the midst of head inside for a long time, ensure that the safety of constructor.
As preferably, also comprise the laser reflection type direction induction device for locating.Guiding accuracy is high, simple to operate and accurate.
As preferably, described Cutting tool place is provided with high-pressure sprayer.High-pressure sprayer, sticks with paste under effectively can overcoming argillic horizon situation and bores and plugging phenomenon, greatly improve jacking efficiency.
During operation: head is advanced hole slowly, direct reach agitation pile, after cutterhead all enters hole, adjustment sealing collar position, makes it close underground water completely; Then start push-bench cutterhead, rotation limit, cutterhead limit advances, and by the rotary cutting cement mixing pile of cutterhead, when muddy water storehouse soil pressure is raised to about 0.1mpa, can carry out spoil disposal operation.When development machine starts to bury, head exposes, only there is the frictional force of track to head, when soil cut by cutterhead, head easily rotates, therefore before burying during two meters of jackings, move speed controls below 5 mm/min, in case head integral-rotation, and observes head inclination angle and rotates change, timely correction and adjustment, if desired at push-bench rear portion welding deflection steel plate.The change correction jack at inclination angle is aligned, the anglec of rotation is greater than ± 30 ° time, cutterhead can be used to reverse levelling, and after jacking 2 meters, development machine can strengthen move speed gradually in rotating situation.After head buries completely, muddy water storehouse Stress control is at 20 ~ 50kpa, and lower first segment concrete pipe does anti-closing.
The setting of muddy water storehouse pressure.By geology change and the change of push-bench buried depth, muddy water storehouse pressure is adjusted, when pipe top earthing is large, muddy water storehouse pressure need be increased, pipe top earthing need reduce muddy water storehouse pressure when diminishing, meet sand gravel layer, underway, close to structure time, muddy water storehouse pressure setting is suitably increased to about 10%, to improve safety factor.This engineering muddy water storehouse Stress control is between 0.02 ~ 0.05mpa, and muddy water storehouse pressure is not less than 0.05mpa under the pavement, and development machine is in forward and backward about 5 meters of underground utilities, and pressure is turned down, but must not be less than 0.02mpa.
Thixotropic slurry drag reduction: in push pipe process, palpus simultaneous implantation anti-drag mud, it is the important ring reducing jacking resistance, improve move speed, and anti-drag mud adopts swell soil formulated.Swell soil General Requirements colloid index is more than 80.
1, check: after swell soil is marched into the arena, first measure its colloid index, according to colloid index determination match ratio.
2, mix: quantitative water is put into agitator tank, puts into quantitative ground caustic, after alkali melts completely.When mixer rotates, quantitative swell soil is added in agitator tank slowly, within general 10 to 20 minutes, just can stir.After slurrying, 24 hours ability must be left standstill and use.Make it fully absorb water, swelling becomes colloidal state, use proportion to measure its proportion, be advisable about 1.2g/cm3.
3, slip casting: head afterbody is provided with thixotropic slurry injected hole, the simultaneous implantation thixotropic slurry of jacking construction, to form original slurry cover; Often save concrete pipe and all have three injected holes, in jack-in process, continue to mend slurry by injected hole.Slip casting uses link extrusion type grouting pump, and grouting port Stress control is at 0.06 ~ 0.10mpa.The speed declined depending on thixotropic slurry in pulp storage tank and oil cylinder working-pressure meter reading regulate grouting pressure at any time.
Thixotropic slurry antifriction is the important technique measure reducing top power in jacking construction, in jack-in process, by the antifriction mud of the preformed hole on the synchronous grouting of push-bench afterbody and pipeline to tube coupling outer wall pressure injection some, adopt the symmetrical pressure injection of multiple spot to be filled in space between tube coupling outer wall and surrounding soil with making mud slurry uniform to reduce frictional resistance between tube coupling outer wall and the soil body, play the effect of resistance when reducing jacking.Complete mud sleeve can be formed at tube coupling outer wall, will directly have influence on the friction reducing effect of mud.Antifriction mud adopts thixotropic slurry, and this size performance is stablized, and has good thixotropy, has again certain denseness (grout coordinate ratio see under).In work progress, mud should ensure not dehydration, do not precipitate, not consolidation, and the proportioning of mud should do corresponding adjustment according to different geological conditions, makes mud adapt to the characteristic of different soil, plays the friction reducing effect of expection.Special mud also can be prepared to meet particular/special requirement in jacking construction in work progress.
Slurries quality index: 1. denseness 12 ~ 14cm
②ph9～10
3. syneresis rate <2%
During mud jacking, the thixotropic slurry in pulp storage tank passes through pipeline force feed to the mud jacking house steward in pipeline by ground mudjack, and arrives in the flexible pipe in each mud jacking hole of connection, controls mud jacking by controlling mud jacking hole ball valve.
In the exit of ground mudjack, device pressure meter, is convenient to the pressure observing and regulate, control mud jacking.
Jacking is measured: underground pipe-driving survey mainly uses laser transit, and be installed on the push pipe driving center line at back place, push pipe hole, the installation of laser transit must ensure stablizing in jack-in process.In development machine, be provided with laser target, the irradiating angle of laser beam is consistent with the design grade of pipeline, and laser is irradiated on light target and forms a laser spots, and operator changes according to the direction of the change in location determination development machine of laser spots.Observe the change of laser spots in jack-in process at any time, carry out jacking working state recording, content comprises the jacking length of pipeline, the horizontal departure, height variation, slip casting situation etc. of pipe jacking tunnelling machine.
During initial jacking, every 1 meter is recorded once; During normal jacking, every jacking one pipe joint record once; During correction, every 1 meter of record once; Every jacking three-joint pipe, check laser transit and whether occur displacement, whether horizontal angle, vertical angle there is deviation.
During jacking record, note being irradiated to the uniformity of laser spots on head laser target and central axis.During correction, first calculation deviation angle, extrapolates the Distance geometry time of move speed and jacking length recovery ideal axis, predicts the advance trend of head at any time according to jacking extended line.
Jacking is rectified a deviation: pipe jacking tunnelling machine is combined by forward and backward two joints, is provided with 8 jack, is divided into four groups, upper and lower, left and right between two joints, by these four groups of jack, can carry out the correction operation of four direction.The run trace of laser spots on Continuous Observation light target, is greater than 20 millimeters as there is skew, during the trend of the prediction head future development that oriented deviation is large again, take satisfactory after correcting.Start correction jack during correction, normal correction jack ejects and is maximumly no more than 1.5 °.Measure once for every 1 meter during correction, and the data doing head and tail compare, when having regressive trend, after keeping one section of jacking distance, correction be stopped, preventing from swinging.The principle of correction is that duty is entangled, micro-ly to be entangled, and each correction amount is not excessive, and will note development trend, when deviation all occurs for upper and lower, left and right, first entangle up and down, after entangle left and right.
Move speed: move speed controls in 30 millimeters ~ 80 mm/min, enter behind hole front 10 meters and correction time by comparatively low velocity, suitably accelerate move speed with backsight spoil disposal situation, cutter head torque situation.
Give, sludge pump: the broken soil body of development machine knife cutting, forms mud in muddy water storehouse, send spoil disposal to starch, enter active well sludge pump, be transported in surface mud pond, regularly transport outward by machine internal bypass.Send dredge pump to adopt 22kw horizontal pump, there is pressure-regulating device, according to muddy water storehouse pressure, can regulate at any time and send mud pressure; Sludge pump adopts 37kw4/6-ah quarrel stock pump.
Tube coupling is installed: first carry out visual inspection before hole under tube coupling, comprise whether end surfaces is straight, whether tube wall surface is bright and clean, body has free from flaw etc., the pipe crane of passed examination is put on the guide rail in jacking hole, carries out jacking.
Head is through walls: head is advanced to apart from receiving about 5 meters of, hole, after No. 20 i iron cross hang, removes the wall receiving hole place, hole, then cuts off cross hang.Hole place, manually cuts the earth to agitation pile, by clean to concrete, i iron and other eliminating impurities.
Cutterhead is under the state rotated, and slowly jacking, cut off by cement mixing pile, now the muddy water storehouse pressure of development machine also can disappear thereupon, does not have muddy water pressure, and sludge pump stops spoil disposal.The four direction of careful measurement head upper and lower, left and right, with when going out size, the position suitable at hole, starts main top oil cylinder and continues to advance, when exposing to center cutter, stop advancing.Settle head to receive bracket, then, slowly head is pushed and receive in hole.
Head goes out hole: power line, Grouting Pipe, the oil pipe of removing development machine, and removes the junction plate of development machine and first segment concrete pipe.Use the crane being not less than 120 tons, development machine handling is gone out hole.
Claims (6)
1. heavy caliber pipe-jacking construction equipment bottom a riverbed, comprise push-bench main body, enter sludge drainage system, Slurry treatment system, main top system, measuring system, lifting system, electric power system and hole sealing collar, described push-bench main body comprises driving head, it is characterized in that, described driving head comprises main shaft, muddy water storehouse, cutterhead plate, cleaning shoe, hydraulic jack, first water inlet pipe, motor, gear reduction unit, gear train mould assembling, gutter, Cutting tool, described main shaft is rotating is arranged on development machine centriciput, described motor is connected with main shaft by gear reduction unit, described muddy water position in storehouse is anterior in driving head, described first water inlet pipe is positioned at main shaft top, access muddy water storehouse, it is anterior that described cutterhead plate is positioned at driving head, described cleaning shoe is near driving head inwall, described hydraulic jack is positioned at driving head top.
2. a heavy caliber pipe-jacking construction equipment bottom riverbed as claimed in claim 1, is characterized in that, described motor is 6.
3. a heavy caliber pipe-jacking construction equipment bottom riverbed as claimed in claim 1, is characterized in that, also comprises the second water inlet pipe, and described second water inlet pipe is positioned at driving head bottom.
4. a heavy caliber pipe-jacking construction equipment bottom riverbed as claimed in claim 1, is characterized in that, also comprises Remote module, and described Remote module is used for the running of Long-distance Control jacking construction equipment.
5. a heavy caliber pipe-jacking construction equipment bottom riverbed as claimed in claim 1, is characterized in that, also comprises the laser reflection type direction induction device for locating.
6. a heavy caliber pipe-jacking construction equipment bottom riverbed as claimed in claim 1, is characterized in that, described Cutting tool place is provided with high-pressure sprayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765741.9U CN205000973U (en) | 2015-09-30 | 2015-09-30 | Riverbed bottom heavy -calibre push pipe construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765741.9U CN205000973U (en) | 2015-09-30 | 2015-09-30 | Riverbed bottom heavy -calibre push pipe construction equipment |
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| CN205000973U true CN205000973U (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520765741.9U Active CN205000973U (en) | 2015-09-30 | 2015-09-30 | Riverbed bottom heavy -calibre push pipe construction equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084921A (en) * | 2018-07-17 | 2018-12-25 | 中铁工程装备集团有限公司 | A kind of push-bench tube coupling frictional resistance Detecting data and detection method |
| CN109723453A (en) * | 2018-11-30 | 2019-05-07 | 中铁隧道集团二处有限公司 | Remodeling method in push pipe auger |
| CN113803081A (en) * | 2021-08-27 | 2021-12-17 | 中铁三局集团广东建设工程有限公司 | Pipe jacking construction method |
-
2015
- 2015-09-30 CN CN201520765741.9U patent/CN205000973U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084921A (en) * | 2018-07-17 | 2018-12-25 | 中铁工程装备集团有限公司 | A kind of push-bench tube coupling frictional resistance Detecting data and detection method |
| CN109723453A (en) * | 2018-11-30 | 2019-05-07 | 中铁隧道集团二处有限公司 | Remodeling method in push pipe auger |
| CN109723453B (en) * | 2018-11-30 | 2024-02-09 | 中铁隧道集团二处有限公司 | Method for reforming pipe jacking machine in tunnel |
| CN113803081A (en) * | 2021-08-27 | 2021-12-17 | 中铁三局集团广东建设工程有限公司 | Pipe jacking construction method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310000 building 36, 1 Wang Road, Yuecheng District, Shaoxing, Zhejiang Patentee after: China Water Conservancy and Hydropower Construction Co., Ltd. Address before: Two building, No. 501, water conservancy building, Zhongxing South Road, Shaoxing, Zhejiang 312000 Patentee before: ZHEJIANG LINGYUN WATER CONSERVANCY AND HYDROPOWER BUILDING CO., LTD. |
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| CP03 | Change of name, title or address |