CN207686725U - A kind of shield cutting armored concrete clump of piles system - Google Patents
A kind of shield cutting armored concrete clump of piles system Download PDFInfo
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- CN207686725U CN207686725U CN201721723085.1U CN201721723085U CN207686725U CN 207686725 U CN207686725 U CN 207686725U CN 201721723085 U CN201721723085 U CN 201721723085U CN 207686725 U CN207686725 U CN 207686725U
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Abstract
The utility model provides a kind of shield cutting armored concrete clump of piles system, including cutting unit, propulsion unit, dregs processing unit, monitoring unit and control unit；Several cutters that cutting unit is disposed by circular beater plate and thereon form, for cutting dregs；Propulsion unit is by jack and promotes pump group at for promoting cutting unit；The sediment improvement unit of dregs processing unit will be transported after the sediment improvement of cutting by helix transporting device；Monitoring unit transmits the settlement monitoring data of ground and building to control unit in real time, so that control unit adjusts the boring parameter of propulsion unit.The utility model passes through improvement of cutter allocation plan, form, " the accurate thick slurry " and other shield structures that enhancing cutterhead intensity, the transport capability for improving screw conveyor, the novel foaming agent of sediment improvement and grouting behind shaft or drift lining use improve, enable existing shield machine is more preferable must adapt to the construction of a cutting Large-diameter Steel reinforced concrete clump of piles, while can ensure to be cut the safety of pile body.
Description
Technical field
The utility model is related to underground structrue engineering technical fields more particularly to a kind of shield to cut an armored concrete clump of piles
System.
Background technology
In China, Impacts Evaluation of Urban Tunnel builds the new period of development, builds (structure) using undergrounds such as shield method build tunnels and builds
Object is more and more, and in city buildings or structures close quarters, shield machine, which tunnels, meets with steel bar concrete pile obstacle on circuit
The case where object, happens occasionally, it is contemplated that conventional shield machine does not have substantially cuts an ability, therefore is typically chosen and removes original and build (structure) and build
The conventional methods such as stake are dug after object, ground pile pulling, excavating shaft removes pile foundation in advance.Compared to conventional method, shield machine is directly cut
Cutting pile foundation has many advantages, such as to influence small, at low cost, short time limit, society and remarkable in economical benefits to surrounding enviroment.
But how tunneling process is ensured different from conventional Rock And Soil for the cutting of a Large-diameter Steel reinforced concrete clump of piles
The safety of middle shield machine and existing pile body reduces the abrasion of shield machine, and it is to cut Large-diameter Steel using shield to improve construction efficiency
The difficult point of a reinforced concrete clump of piles.Although existing shield is cut a system and is improved on shield propelling system, tooling setup,
It is to still remain that dregs is difficult to exclude, knife disc tool serious wear, pile foundation settlement are excessive, outsourcing pipe abrasion, shield machine construction temperature
Spend high problems, it is difficult to preferably be competent at this task.
Invention content
The utility model provides a kind of shield cutting armored concrete clump of piles system, can ensure to be cut pile group and
In the case of upper part structure safety, a direct, continuous cutting Large-diameter Steel reinforced concrete clump of piles by shield machine, so as to avoid
Knife disc tool serious wear that previous shield machine cutting pile foundation causes, the control of support pressure difficulty, armored concrete residue be difficult to be discharged,
The a series of problems such as pile foundation settlement is excessive, outsourcing pipe abrasion, excessively high, the shield machine frequent shutdown of shield machine internal temperature.
To achieve the goals above, the utility model takes following technical solution：
A kind of shield cutting armored concrete clump of piles system, the system include cutting unit, propulsion unit, dregs processing list
Member, monitoring unit and control unit；Described control unit and the cutting unit, propulsion unit, dregs processing unit and
Monitoring unit communicates to connect；
The cutting unit is equipped with circular beater plate, and several cutters are disposed on the cutterhead；
The propulsion unit is connect with the cutting unit, the propulsion unit by jack and promote pump group at；
The dregs processing unit is made of sediment improvement unit and helix transporting device, the sediment improvement unit and spiral shell
Revolve conveying device connection；
The monitoring unit transmits the settlement monitoring data of ground and building, the control to described control unit in real time
Unit adjusts the boring parameter of the propulsion unit by the settlement monitoring data.
Further, the system also includes grouting behind shaft or drift lining unit, the grouting behind shaft or drift lining unit is located at the upper of the system
Side.
Further, it is welded with floor between the spoke of the cutterhead.
Further, at the cutterhead inner circumferential radius≤2m, middle all radiuses>At 2m and≤3m and peripheral radius>3m
And at≤3.17m, several circular paths are arranged, arrange big shell knife by way of soldering on the circular path and cut
Sharpener.
Further, a height of 160mm of the big shell knife, width 64mm, a length of 214mm, the big shell knife are
Carbide-tipped cutter bit, the bite are goat's horn dual-pilot cutter form.
Further, the center location of the cutterhead is equipped with fish tail knife, and small shell knife is welded on the fish tail knife.
Further, the quantity of the small shell knife is 10, a height of 132mm of the small shell knife, a length of 164mm,
Width is 64mm, and the cutter head of the small shell knife is all made of single side tooth shape formula, equal embedded alloy material on the small shell knife.
Further, the outer edge fixed and arranged edge shell knife and imitation-shaped knife of the cutterhead, the edge shell knife are
The point of a knife of single side tooth shape formula, the edge shell knife pours out cutterhead 15mm outward, and the imitation-shaped knife is imitative shell knife-edge formula, described
The blade of imitation-shaped knife is metal material.
Further, the helix transporting device includes screw rod, hydraulic motor and grouting pipeline device, and the screw rod is nothing
Shaft type screw rod is cased with spiral-tube outside the screw rod, built-up welding is equipped on the screw rod outer surface, in the inner wall of spiral cylinder
Grid is welded in upper increasing, inspection hole is arranged on the spiral-tube, the grouting pipeline device is fixed on the spiral drum outer wall.
The shape that the utility model passes through improvement shell knife it can be seen from above-mentioned technical solution provided by the utility model
State, enhancing cutterhead intensity, the transport capability for improving screw conveyor, proposes that a kind of sediment improvement is used at adjustment tooling setup scheme
Novel foaming agent and grouting behind shaft or drift lining " accurate thick slurry " that uses and other a series of shield structures improve, make existing shield function
Enough more preferable constructions that must adapt to cut a Large-diameter Steel reinforced concrete clump of piles, while can ensure to be cut the safety of pile body.
The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is that a kind of overall structure for shield cutting armored concrete clump of piles system that the utility model embodiment provides is shown
It is intended to；
Fig. 2 provides the structural front view of cutterhead in the system for the utility model embodiment；
Fig. 3 provides the structural side view of cutterhead in the system for the utility model embodiment；
Fig. 4 provides the structural schematic diagram of the big shell knife in the system on cutterhead for the utility model embodiment；
Fig. 5 provides the structural schematic diagram of helix transporting device in the system for the utility model embodiment.
【Reference numeral】
1 cutting unit；2 cutterheads；3 propulsion units；4 sediment improvement units；5 helix transporting devices；6 inspection holes；It is noted after 7 walls
Starch unit；8 control units；9 floors；10 big shell knives；11 small shell knives；12 fish tail knives；13 bites；14 edge shell knives；
15 imitation-shaped knifes；16 hydraulic motors；17 screw rods；18 grouting pipeline devices；19 built-up welding.
Specific implementation mode
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and cannot be construed to this practicality
Novel limitation.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being used in the specification of the utility model
Wording " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or
Other one or more features of addition, integer, step, operation, element, component and/or their group.It should be understood that working as us
Claim element to be " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or can also
There are intermediary elements.In addition, " connection " used herein or " coupling " may include being wirelessly connected or coupling.It is used herein to arrange
Diction "and/or" includes any cell of one or more associated list items and all combines.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) there is meaning identical with the general understanding of the those of ordinary skill in the utility model fields.Also
It should be understood that those terms such as defined in the general dictionary should be understood that with in the context of the prior art
The consistent meaning of meaning, and unless defined as here, will not be explained with the meaning of idealization or too formal.
For ease of the understanding to the utility model embodiment, done by taking several specific embodiments as an example below in conjunction with attached drawing into
The explanation of one step, and each embodiment does not constitute the restriction to the utility model embodiment.
The utility model provides a kind of shield cutting armored concrete clump of piles system, primary structure such as Fig. 1 of the system
It is shown：Including cutting unit 1, propulsion unit 3, dregs processing unit, monitoring unit and control unit 8；Described control unit 8 with
Cutting unit 1, propulsion unit 3, dregs processing unit and the monitoring unit communication connection；
The monitoring unit is ground detection, can be mobile device or sensor, be generally mounted to ground
It is monitored and transmits.
The cutting unit 1 is set there are one circular beater plate 2, and several cutters, the cutting unit 1 are disposed on the cutterhead 2
For cutting dregs；
The propulsion unit 3 is connect with the cutting unit 1, and the propulsion unit 3 is very heavy by the big flow that shield carries
Top and one small flow low-speed propulsion pump group are at the propulsion unit 3 is for promoting the cutting unit 1；To ensure shield
Machine-cut being capable of low speed, speed stabilizing propulsion when cutting pile foundation.
The dregs processing unit is made of sediment improvement unit 4 and helix transporting device 5, the sediment improvement unit 4
It will be transported by the helix transporting device 5 after sediment improvement that the cutting unit 1 is cut；
The monitoring unit transmits the settlement monitoring data of ground and building, the control to described control unit 8 in real time
Unit 8 processed adjusts the boring parameter of the propulsion unit 3 by the settlement monitoring data.
In a specific embodiment, the system also includes grouting behind shaft or drift lining unit 7, the grouting behind shaft or drift lining units 7
In the top of the system, for lifting stratum and pile foundation.
In a specific embodiment, the grouting behind shaft or drift lining unit 7 using good water-retaining property, water resistant dispersibility preferably,
Volume contraction small " accurate thick slurry ", is effectively controlled stratum settlement, to the stub of tunnel upper play the role of it is certain lift,
It avoids stub and directly squeezes section of jurisdiction.Slurries are stirred by calcium hydroxide, flyash, medium-fine sand, bentonite, water, additive etc.,
The performance requirement of slurries composition raw material is shown in Table 1, and slurries, for main level of control, while also taking into account consistency, condensation with the slump
Time and slurries test block pressure resistance intensity etc., slurries basic performance Con trolling index are just set to shown in table 2, and the material mixture ratio of slurries is shown in Table
3。
The requirement of 1 slurries raw material of table
The requirement of 2 size performance norm controlling of table
The accurate thick pulp material of table 3 matches table
In a specific embodiment, it is welded with floor 9 between the spoke of the cutterhead 2.
The thickness of the floor 9 is 70mm, rigidity and intensity for enhancing cutterhead 2.
Fig. 2 is the structural front view of cutterhead in system described in the utility model embodiment, as shown in Figure 2：
In a specific embodiment, at 2 inner circumferential radius of the cutterhead≤2m, middle all radiuses>At 2m and≤3m with
And peripheral radius>At 3m and≤3.17m, arrange several circular paths, on the circular path by way of soldering cloth
Set big shell knife 10.
The above-mentioned method that cutter is arranged on circular path is method of altering course with a concentric circle, it is preferred that 34 circular paths of total arrangement,
49 big shell knife 10.
Fig. 4 is the structural schematic diagram of big shell knife, as indicated at 4：
In a specific embodiment, a height of 160mm of the big shell knife 10, width 64mm, a length of 214mm, institute
It is carbide-tipped cutter bit to state big shell knife.
In a specific embodiment, to increase safety coefficient, the deposit bite of second echelon is equipped on cutterhead 2
13, height is in same track between positive big shell knife 10 and scraper, and with positive big shell knife 10, wherein laying in
Bite 13 uses goat's horn dual-pilot cutter form mainly to cut based on concrete.
In a specific embodiment, the center location of the cutterhead 2 is equipped with fish tail knife 12, adds on the fish tail knife 12
Small shell knife 11 is welded, the ability of cutting for enhancing 12 region of center fish tail knife, while center fish tail knife 12 reduces height and increases
Degree of widening, to enhance the bending resistance flexural capacity of center fish tail knife 12.
In a specific embodiment, the quantity of the small shell knife 11 be 10, the small shell knife 11 it is a height of
The cutter head of 132mm, a length of 164mm, width 64mm, the small shell knife 11 are all made of single side tooth shape formula, the small shell knife 11
On inlay four blocks of hard alloy.
Fig. 3 is the structural side view of cutterhead in system described in the utility model embodiment, as shown in Figure 3：
In a specific embodiment, the outer edge fixed and arranged edge shell knife and imitation-shaped knife of the cutterhead, it is described
Edge shell knife 14 pours out cutterhead outward using the acute angle single side tooth shape formula for being easy to dig, the point of a knife of the edge shell knife 14
15mm so that digging diameter is more than shield shell outer diameter, to protect shield shell that can pass through stub；
In a specific embodiment, to protect overclad tubes not touched wound by stub, imitation-shaped knife need to be opened and suitably digged
Pile foundation, therefore be shell knife-edge formula by the imitation-shaped knife 15, the blade of the imitation-shaped knife 15 is metal material.
In a specific embodiment, the sediment improvement unit 4 uses anion surfactant and nonionic table
Face activating agent is as main foaming agent, then is equipped with the main material of foam stabilizer and auxiliary agent as configuration foaming agent, and each cycle injects foam
30~60L of agent carries out sediment improvement.
Fig. 5 provides the structural schematic diagram of helix transporting device in the system for the utility model embodiment, such as Fig. 5 institutes
Show：
In a specific embodiment, the helix transporting device 5 includes screw rod 17, hydraulic motor 16 and grouting pipeline
Device 18；
The screw rod 17 is shaftless screw rod, is conducive to the smooth discharge of reinforcing rod and broken stake block；
The hydraulic motor is for increasing torque；
It is cased with spiral-tube outside the screw rod 17, hardfacing 19 is equipped on 17 outer surface of the screw rod, described
Increase on inner wall of spiral cylinder and welds wear-resisting grid；
Inspection hole 6 is set on the spiral-tube, it is preferred that 4 inspection holes 6 of setting；For there is reinforcing bar card
In emergency circumstances, manual method cut-out reinforcing bar can be used in dead screw conveyor；
In order to which inspection hole 6 can be safely opened to implement artificial rib cutting operation, the note is set on the spiral drum outer wall
Starch piping installation 18, it is preferred that the grouting pipeline device 18 is generally mounted to 5 leading portion of entire helix transporting device close to plastron
Place, prevents spewing phenomenon.
Those skilled in the art will be understood that size, installation position and the placement quantity of above-mentioned big shell knife are only for example,
Other existing or the above-mentioned big shell knife that is likely to occur from now on sizes, installation position and placement quantity are such as applicable to this reality
It with new embodiment, should also be included within scope of protection of the utility model, and be incorporated herein by reference herein.
Those skilled in the art will be understood that size, installation position and the placement quantity of above-mentioned small shell knife are only for example,
Other existing or the above-mentioned big shell knife that is likely to occur from now on sizes, installation position and placement quantity are such as applicable to this reality
It with new embodiment, should also be included within scope of protection of the utility model, and be incorporated herein by reference herein.
In conclusion the utility model embodiment passes through the modernization overlay to original shield machine so that improved shield
Cutting Large-diameter Steel reinforced concrete clump of piles system can adapt to continuous, efficient cutting pile foundation work.Top stake is ensured simultaneously
The safety of based structures and the driving safety of shield machine system, save construction cost, reduce the influence to environment.
System described in the utility model embodiment can ensure be cut pile group and its superstructure safety in the case of,
A direct, continuous cutting Large-diameter Steel reinforced concrete clump of piles by shield machine, causes so as to avoid previous shield machine cutting pile foundation
Knife disc tool serious wear, the control of support pressure difficulty, armored concrete residue are difficult to be discharged, pile foundation settlement is excessive, overclad tubes mill
The a series of problems such as damage, excessively high, the shield machine frequent shutdown of shield machine internal temperature.
One of ordinary skill in the art will appreciate that：Attached drawing is the schematic diagram of one embodiment, module in attached drawing or
Flow is not necessarily implemented necessary to the utility model.
Each embodiment in this specification is described in a progressive manner, identical similar portion between each embodiment
Point just to refer each other, and each embodiment focuses on the differences from other embodiments.Especially for device or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.Apparatus and system embodiment described above is only schematical, wherein the conduct
The unit that separating component illustrates may or may not be physically separated, the component shown as unit can be or
Person may not be physical unit, you can be located at a place, or may be distributed over multiple network units.It can root
According to actual need that some or all of module therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel are without creative efforts, you can to understand and implement.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
It is subject to the protection scope in claims.
Claims (9)
1. a kind of shield cuts armored concrete clump of piles system, which is characterized in that the system include cutting unit, propulsion unit,
Dregs processing unit, monitoring unit and control unit；Described control unit and the cutting unit, propulsion unit, at dregs
Manage unit and monitoring unit communication connection；
The cutting unit is equipped with circular beater plate, and several cutters are disposed on the cutterhead；
The propulsion unit is connect with the cutting unit, the propulsion unit by jack and promote pump group at；
The dregs processing unit is made of sediment improvement unit and helix transporting device, the sediment improvement unit and spiral transferring
Device is sent to connect；
The monitoring unit transmits the settlement monitoring data of ground and building, described control unit to described control unit in real time
The boring parameter of the propulsion unit is adjusted by the settlement monitoring data.
2. system according to claim 1, which is characterized in that the system also includes grouting behind shaft or drift lining unit, after the wall
Slip casting unit is located at the top of the system.
3. system according to claim 2, which is characterized in that be welded with floor between the spoke of the cutterhead.
4. system according to claim 3, which is characterized in that at the cutterhead inner circumferential radius≤2m, middle all radiuses>2m
And at≤3m and peripheral radius>At 3m and≤3.17m, arranges several circular paths, pass through pricker on the circular path
The mode of weldering arranges big shell knife and bite.
5. system according to claim 4, which is characterized in that a height of 160mm, the width 64mm of the big shell knife, it is long
For 214mm, the big shell knife is carbide-tipped cutter bit, and the bite is goat's horn dual-pilot cutter form.
6. system according to claim 5, which is characterized in that the center location of the cutterhead is equipped with fish tail knife, the fish
Small shell knife is welded on tail knife.
7. system according to claim 6, which is characterized in that the quantity of the small shell knife is 10, the small shell
A height of 132mm, a length of 164mm, the width 64mm of knife, the cutter head of the small shell knife are all made of single side tooth shape formula, the little Bei
Equal embedded alloy material on shell knife.
8. system according to claim 7, which is characterized in that the outer edge fixed and arranged edge shell knife of the cutterhead and
Imitation-shaped knife, the edge shell knife are single side tooth shape formula, and the point of a knife of the edge shell knife pours out cutterhead 15mm outward, described imitative
Shape knife is imitative shell knife-edge formula, and the blade of the imitation-shaped knife is metal material.
9. system according to claim 8, which is characterized in that the helix transporting device include screw rod, hydraulic motor and
Grouting pipeline device, the screw rod are shaftless screw rod, spiral-tube are cased with outside the screw rod, on the screw rod outer surface
Equipped with built-up welding, increases weldering grid on the inner wall of spiral cylinder, inspection hole, the grouting pipeline device are set on the spiral-tube
It is fixed on the spiral drum outer wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721723085.1U CN207686725U (en) | 2017-12-12 | 2017-12-12 | A kind of shield cutting armored concrete clump of piles system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721723085.1U CN207686725U (en) | 2017-12-12 | 2017-12-12 | A kind of shield cutting armored concrete clump of piles system |
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| CN207686725U true CN207686725U (en) | 2018-08-03 |
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ID=62997422
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005670A (en) * | 2017-12-12 | 2018-05-08 | 北京交通大学 | A kind of shield cuts armored concrete clump of piles system |
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2017
- 2017-12-12 CN CN201721723085.1U patent/CN207686725U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005670A (en) * | 2017-12-12 | 2018-05-08 | 北京交通大学 | A kind of shield cuts armored concrete clump of piles system |
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