CN209483357U - A kind of opened type shield machine for jacking construction - Google Patents
A kind of opened type shield machine for jacking construction Download PDFInfo
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- CN209483357U CN209483357U CN201920021286.XU CN201920021286U CN209483357U CN 209483357 U CN209483357 U CN 209483357U CN 201920021286 U CN201920021286 U CN 201920021286U CN 209483357 U CN209483357 U CN 209483357U
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- digging
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- shield machine
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Abstract
The utility model relates to the pipe-jacking excavating device field of pipeline non-excavation laying, specifically a kind of opened type shield machine for jacking construction.Including pre-buried pipeline front end being arranged in and the tubular rack that can be advanced under the action of the drive mechanism with pre-buried pipeline and the digging mechanism that is arranged in tubular rack, digging mechanism includes digging arm, one end of digging arm is equipped with the milling digging head that milling digging can be carried out by rotating, the other end of digging arm is fitted on the pedestal being set in tubular rack, it is additionally provided in tubular rack and pedestal and mills the first control mechanism and the second control mechanism for milling for driving digging arm to be equipped with and digging one end of head and swinging in the horizontal direction that the one end for digging head is swung along the vertical direction for driving digging arm to be equipped with.The utility model can observe directly the case where excavation face in the construction process, and be not required to water and improve soil, and no mud is pollution-free, is convenient for municipal construction.
Description
Technical field
The utility model relates to the pipe-jacking excavating device fields of pipeline non-excavation laying, specifically a kind of to be used for push pipe
The opened type shield machine of construction.
Background technique
Jacking construction is exactly non-excavating construction method, is a kind of piping laying construction technology do not excavated or excavated less.
Construction by pipeline jacking method is exactly the top power generated in working pit by means of jacking device, overcomes the frictional force of pipeline and surrounding soil,
Pipeline is headed into soil by the direction gradient of design, and the earthwork is transported.The completion of one section pipe heads into soil layer and then lower second
It saves pipe and continues jacking.Its principle be by means of thrusts such as main top oil cylinder and pipeline enclosure, relay wells, tool pipe or development machine from
It is advanced to always in reception hole and slings across soil layer in working pit.After pipeline follows tool pipe or development machine closely, be embedded in two holes it
Between.
Existing pipe jacking construction method mainly has three kinds of artificial push pipe, slurry balance shield and earth pressure balanced shield, EPBS sides
Formula.Artificial push pipe labor intensity of workers is high, and safety coefficient is low, and progress is slow.Slurry balance shield and EPB shield tunneling are all made of sealing
Formula shield machine, on the one hand, its equipment cost is high, and electricity consumption is big, and inner space is narrow, is not easy to overhaul, need in the construction process
Dregs is improved, mud caused by completed region of the city nowhere discharges, and transportation cost is high；On the other hand, the pipeline before working face, stake
The complex environments such as base, gravel and historical relic, which are blocked, to be not easy to find, be easy to cause unnecessary loss.
Utility model content
The utility model is intended to provide a kind of opened type shield machine for jacking construction, can directly observe in work progress
The case where to excavation face, and be not required to water and improve soil, no mud is pollution-free, is convenient for municipal construction.
In order to solve the above technical problems, the technical solution adopted in the utility model are as follows: a kind of for the spacious of jacking construction
Mouth formula shield machine, including the tubular rack that pre-buried pipeline front end is arranged in and can advance under the action of the drive mechanism with pre-buried pipeline
And the digging mechanism in tubular rack is set, digging mechanism includes digging arm, and one end of digging arm, which is equipped with, can pass through rotation
Head is dug in the milling for carrying out milling digging, and the other end of digging arm is fitted on the pedestal being set in tubular rack, in tubular rack
Be additionally provided on pedestal for drive digging arm be equipped with milling dig head the first control mechanism for swinging along the vertical direction of one end and
The second control mechanism that one end of head is swung in the horizontal direction is dug for driving digging arm to be equipped with milling.
Preferably, digging arm includes the large arm being coupled on the base and the forearm being slidably sleeved in large arm, small
Arm is located at one end outside large arm and is coupled with milling digging head, is additionally provided in large arm for driving forearm along large arm length direction
The first straight line oil cylinder of sliding.
Preferably, it is dug between head in forearm and milling and is equipped with the revolution oil for digging head milling degree of proaching talent for increasing milling by swinging
Cylinder.
Preferably, large arm passes through the first pin shaft pin joint for being distributed in the horizontal direction on the base, and the first control mechanism is the
Two linear oil cylinders, the both ends of second straight line oil cylinder are hinged with the middle part of pedestal and large arm respectively.
Preferably, pedestal passes through the dragon at the second pin shaft pin joint being distributed along the vertical direction top in being set to tubular rack
On door frame, the second control mechanism is third linear oil cylinder, and the both ends of third linear oil cylinder are hinged with portal frame and pedestal respectively.
Preferably, the quantity of third linear oil cylinder is two, and two third linear oil cylinders are located at the two sides of pedestal.
Preferably, it is additionally provided with deviation correction mechanism in the front end of tubular rack, deviation correction mechanism includes being distributed in tubular front end of rack
Correction pipe, be equipped at intervals with multiple 4th straight lines oil between tubular rack and correction pipe and along the circumferential direction of tubular rack
Cylinder, the both ends of the 4th linear oil cylinder are hinged with tubular rack and correction pipe respectively.
Preferably, the conveying mechanism that material is excavated in conveying is equipped in tubular rack.
Preferably, conveying mechanism is belt conveyor, and the front end of belt conveyor and the front end of tubular rack are hinged, rear end
It can be swung centered on front end.
Preferably, hydraulic power unit is equipped in tubular rack.
Beneficial effect
The utility model inner space is bigger, and personnel can easily pass through, and it is convenient to operate and overhaul.Milling on digging arm is dug
Head can synchronize milling under the swing state of digging arm and dig and transport the earthwork, and not needing the flood between cutterhead and working face makes dregs
Become mud, avoids the processes such as use and the later period slurry dewatering processing of water injecting pump slush pump, reduce environmental pollution, save dynamic
Energy.
The utility model is opened type, and working face does not have the limitation of knife disc tool, can observe directly excavation face situation, just
In the complex barriers such as discovery non-open conduit wiring pile foundation in underground in time and processing scheme is taken in time, reduces safety accident and loss, from
And reduce the workload of exploration jacking construction early period.
The utility model is low in cost, and energy consumption is few, no matter the size of pipeline, complete equipment abuts the electricity of a 22KW
Machine can provide whole kinetic energy, can effectively save line cost and power consumption.One people of complete machine can be operated, save manually at
This.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model；
Fig. 2 is the overlooking structure diagram of the utility model；
Marked in the figure: 1, milling digging head, 2, angling cylinder, 3, digging arm, 301, first straight line oil cylinder, 302, forearm, 303,
Large arm, the 4, first control mechanism, the 5, second pin shaft, 6, portal frame, the 7, second control mechanism, the 8, first pin shaft, 9, pedestal, 10,
Correction pipe, the 11, the 4th linear oil cylinder, 12, tubular rack, 13, hydraulic power unit, 14, conveying mechanism, 15, pre-buried pipeline.
Specific embodiment
As shown in Figures 1 and 2, a kind of opened type shield machine for jacking construction of the utility model, including setting exist
The tubular rack 12 of pre-buried 15 front end of pipeline, the digging mechanism being arranged in tubular rack 12 and setting are in tubular rack 12
And the conveying mechanism 14 for the dregs excavated to be discharged.Pre-buried pipeline 15 is advanced under the driving mechanism function of rear end, is pushed
Tubular rack 12 and digging mechanism are advanced, and are directly excavated to the dregs on working face by digging mechanism, by conveyer
Structure 14 cooperates slag-soil truck to transport the dregs excavated to focus on from excavation face.Digging mechanism and conveying mechanism 14 pass through
Hydraulic offer kinetic energy is additionally provided in tubular rack 12 and provides the hydraulic power unit 13 of hydraulic kinetic energy.
Digging mechanism includes that head 1 is dug in telescopic digging arm 3 and the milling being rotatably disposed on digging arm 3.Digging therein
Pick arm 3 includes hollow large arm 303 and the forearm 302 being slidably plugged in large arm 303, is equipped with and is used in large arm 303
The first straight line oil cylinder 301 that slide along 303 length direction of large arm of control forearm 302, the cylinder sleeve end of first straight line oil cylinder 301 with stretch
Contracting end is connect with large arm 303 and forearm 302 respectively, so that forearm 302 is pushed outwardly large arm by first straight line oil cylinder 301
After 303, by the milling that is arranged on forearm 302 dig head 1 by hydraulic motor drive high speed rotation with to the dregs in excavation face into
Row excavates.By first straight line oil cylinder 301 by after the inside retraction large arm 303 of forearm 302, the slag under the collection of head 1 is excavated is dug by milling
Soil is simultaneously delivered on conveying mechanism 14, and dregs is delivered to dregs transportation vehicle by conveying mechanism 14.Milling in the present embodiment is dug
First 1 is connected on forearm 302 by angling cylinder 2, and can increase the milling degree of proaching talent that head 1 is dug in milling by the swing of angling cylinder 2,
And convenient for conveying dregs to conveying mechanism 14.
Large arm 303 in digging arm 3 passes through 8 pin joint of the first pin shaft being distributed in the horizontal direction on pedestal 9, so that
Large arm 303 can be rotated centered on the first pin shaft 8 in perpendicular under the action of the first control mechanism 4, and then be controlled
Milling digs head 1 and swings milling digging in excavation face in perpendicular.Pedestal 9 passes through 5 pin joint of the second pin shaft being distributed along the vertical direction
On the portal frame 6 for being fixed on 12 inner top of tubular rack, allow pedestal 9 and digging arm 3 in the work of the second control mechanism 7
Under, rotated in horizontal plane centered on the second pin shaft 5, so control milling dig head 1 in horizontal plane in excavation face
Milling is swung to dig.To sum up, swing of the head 1 in horizontal and perpendicular is dug in milling, and the motion profile covering that milling can be made to dig head 1 is entire
Excavation face ensure that the comprehensive digging operation for excavation face.
The first control mechanism 4 in the present embodiment is second straight line oil cylinder, and the cylinder sleeve end pin joint of second straight line oil cylinder is in base
On seat 9, telescopic end pin joint is at the middle part of large arm 303.Second control mechanism 7 is two third linear oil cylinders, two third straight lines
The cylinder sleeve end difference pin joint of oil cylinder is on portal frame 6, and telescopic end is respectively hinged on pedestal 9, and two third linear oil cylinders point
The two sides of pedestal 9 are distributed in, when controlling pedestal 9 and large arm 303 and being rotated in horizontal plane, wherein third linear oil cylinder
Telescopic end stretches out, the synchronous retraction of the telescopic end of another third linear oil cylinder, it is ensured that the rotation of large arm 303 and milling digging head 1 are worked
Stability in journey.
Because of reasons such as soil property layerings, the front end of the tubular rack 12 of the utility model is in pre-buried pipeline 15 and driving mechanism
It is easy sideslip under impetus, excavated pipe hole is caused to be partial to design route.It therefore, further include being used in the utility model
12 direction of travel of tubular rack is corrected, that is, corrects the deviation correction mechanism in the dug pipe hole direction of digging mechanism.
Deviation correction mechanism includes the correction pipe 10 for being distributed in 12 front end of tubular rack, between tubular rack 12 and correction pipe 10
And be equipped at intervals with multiple 4th linear oil cylinders 11 along the circumferential direction of tubular rack 12, the both ends of the 4th linear oil cylinder 11 respectively with
Tubular rack 12 and correction pipe 10 are hinged.It is controllable positioned at top such as when in construction operation finding inclined on dug pipe hole
11 telescopic end of the 4th linear oil cylinder stretch out, underlying 4th linear oil cylinder, 11 telescopic end retracts, other positions oil cylinder pair
Answering property adjusts, so that the correction bending downwards of pipe 10 is to overcome inclined phenomenon on pipe hole.It can pass through towards the deviation in other directions
Similarly method is adjusted, by the tunneling direction of gradually rectifying a deviation of promoting comprehensively of pre-buried pipeline 15.
Conveying mechanism 14 in the present embodiment can be selected according to the dry and wet degree of material or the size of pipeline specifications, Ke Yiwei
Belt conveyor also can choose the conveying equipments such as drag conveyor or auger.Belt conveyor, belt are used in the present embodiment
The front end of conveyer and the front end of tubular rack 12 are hinged, rear end can be swung centered on front end with according to the height of slag-soil truck into
Row lifting.
All mechanisms in the utility model are installed in tubular rack 12, and each position is disassembled, convenient transportation and
Maintenance.Hydraulic motor, the driving forearm 302 that hydraulic motor, the driving conveying mechanism 14 that driving milling digging head 1 rotates are run stretch
First straight line oil cylinder 301, the second straight line oil cylinder of driving 3 multiple directions of digging arm rotation and third linear oil cylinder and rectification machine
The 4th linear oil cylinder 11 in structure provides hydraulic kinetic energy by hydraulic power unit 13, and hydraulic power unit 13 is only with 22KW's
Motor can meet above-mentioned hydraulic kinetic energy demand, and power consumption and line cost substantially reduce.
Claims (10)
1. a kind of opened type shield machine for jacking construction, including setting is in pre-buried pipeline (15) front end and can be in driving mechanism
The tubular rack (12) advanced under effect with pre-buried pipeline (15) and the digging mechanism being arranged in tubular rack (12), it is special
Sign is: digging mechanism includes digging arm (3), and one end of digging arm (3) is equipped with the milling digging head that milling digging can be carried out by rotating
(1), the other end of digging arm (3) is fitted on the pedestal (9) being set in tubular rack (12), in tubular rack (12)
The first control that the one end of head (1) is swung along the vertical direction is dug for driving digging arm (3) to be equipped with milling with being additionally provided on pedestal (9)
Mechanism (4) and the second control mechanism for milling for driving digging arm (3) to be equipped with and digging the one end of head (1) and swinging in the horizontal direction
(7).
2. a kind of opened type shield machine for jacking construction according to claim 1, it is characterised in that: digging arm (3)
The forearm (302) including the large arm (303) that is fitted on pedestal (9) and being slidably sleeved in large arm (303), forearm
(302) it is located at large arm (303) external one end to be coupled with milling digging head (1), is additionally provided in large arm (303) small for driving
The first straight line oil cylinder (301) that arm (302) is slided along large arm (303) length direction.
3. a kind of opened type shield machine for jacking construction according to claim 2, it is characterised in that: in forearm
(302) and the angling cylinder (2) for being equipped with and digging head (1) milling degree of proaching talent for increasing milling by swinging is dug between head (1) in milling.
4. a kind of opened type shield machine for jacking construction according to claim 1, it is characterised in that: large arm (303)
Through the first pin shaft (8) pin joint for being distributed in the horizontal direction on pedestal (9), the first control mechanism (4) is second straight line oil cylinder,
The both ends of second straight line oil cylinder are hinged with the middle part of pedestal (9) and large arm (303) respectively.
5. a kind of opened type shield machine for jacking construction according to claim 4, it is characterised in that: pedestal (9) is logical
The second pin shaft (5) pin joint being distributed along the vertical direction is crossed in being set to tubular rack (12) on the portal frame (6) at top, second
Control mechanism (7) is third linear oil cylinder, and the both ends of third linear oil cylinder are hinged with portal frame (6) and pedestal (9) respectively.
6. a kind of opened type shield machine for jacking construction according to claim 5, it is characterised in that: third straight line oil
The quantity of cylinder is two, and two third linear oil cylinders are located at the two sides of pedestal (9).
7. a kind of opened type shield machine for jacking construction according to claim 1, it is characterised in that: in tubular rack
(12) front end is additionally provided with deviation correction mechanism, and deviation correction mechanism includes the correction pipe (10) for being distributed in tubular rack (12) front end, in cylinder
Multiple 4th linear oil cylinders are equipped at intervals between shape rack (12) and correction pipe (10) and along the circumferential direction of tubular rack (12)
(11), the both ends of the 4th linear oil cylinder (11) are hinged with tubular rack (12) and correction pipe (10) respectively.
8. a kind of opened type shield machine for jacking construction according to claim 1, it is characterised in that: in tubular rack
(12) conveying mechanism (14) that material is excavated in conveying is equipped in.
9. a kind of opened type shield machine for jacking construction according to claim 8, it is characterised in that: conveying mechanism
It (14) is belt conveyor, the front end of belt conveyor and the front end of tubular rack (12) are hinged, and rear end can be centered on front end
It swings.
10. a kind of opened type shield machine for jacking construction according to claim 1, it is characterised in that: in tubular machine
Hydraulic power unit (13) are equipped in frame (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920021286.XU CN209483357U (en) | 2019-01-07 | 2019-01-07 | A kind of opened type shield machine for jacking construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920021286.XU CN209483357U (en) | 2019-01-07 | 2019-01-07 | A kind of opened type shield machine for jacking construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209483357U true CN209483357U (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920021286.XU Active CN209483357U (en) | 2019-01-07 | 2019-01-07 | A kind of opened type shield machine for jacking construction |
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| CN (1) | CN209483357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943273A (en) * | 2021-03-27 | 2021-06-11 | 中冶华南建设工程有限公司 | Construction process of underground excavation tunnel |
-
2019
- 2019-01-07 CN CN201920021286.XU patent/CN209483357U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943273A (en) * | 2021-03-27 | 2021-06-11 | 中冶华南建设工程有限公司 | Construction process of underground excavation tunnel |
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