CN208267850U - A kind of extrusion system for push-bench correction - Google Patents
A kind of extrusion system for push-bench correction Download PDFInfo
- Publication number
- CN208267850U CN208267850U CN201820858238.1U CN201820858238U CN208267850U CN 208267850 U CN208267850 U CN 208267850U CN 201820858238 U CN201820858238 U CN 201820858238U CN 208267850 U CN208267850 U CN 208267850U
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- China
- Prior art keywords
- mud
- pump
- dense
- push
- mud mouth
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of extrusion systems for push-bench correction, including anterior shield, backing, beat dredge pump system, infuse mud mouth and articulated mounting, the dredge pump system of beating includes motor, agitating auger pump, dense mud delivery pump and pug bucket, the mud mouth of the pug bucket is connected by pipeline with agitating auger pump, the agitating shaft of the agitating auger pump is connected to the motor, the mud mouth of the agitating auger pump is connected by pipeline with dense mud delivery pump, the mud mouth of the dense mud delivery pump is connected by pipeline with note mud mouth, the flowmeter for monitoring dense mudflow amount is sequentially installed on pipeline between the note mud mouth and dense mud delivery pump, the differential pressure pickup of monitoring note mud mouth and anterior shield pressure difference.The utility model is not only simple in structure tunneling direction that is compact, and passing through the squeezing effect correction push-bench of dense mud, not only environmentally friendly but also inexpensive.
Description
Technical field
The utility model relates to tunnel construction apparatus fields, specifically design a kind of crowded mud dress for push-bench correction
It sets.
Background technique
The propelling cylinder of push-bench is typically located at starting well, local farther out apart from push-bench fuselage.When push-bench occurs
Posture is improper when needing to adjust, such as cutterhead plants head (bowing), it is necessary to shield body are corrected to scheduled pick with articulated system
Inlet wire road.But general push-bench contributes to shallower stratum, and the reaction force of the soil body is smaller, cause hingedly to rectify a deviation it is undesirable or
It is uncontrolled.Push-bench shield body only forms certain angle under the action of articulated system, and tunneling direction is still small and weak along native power
Direction advance (most of be downwards, popular to cry " planting head "), be unfavorable for push-bench in this way and rectify a deviation.
Chinese patent application CN201520217512.3 discloses " heavy caliber pipe-jacking machine two-stage deviation-rectifying system ", which sets
Second level deviation correcting device is set, thus ensuring that bidirectional linear and correction gesture stability, are able to achieve small radius of curvature and two-way curve
Jacking simultaneously, and then solve the problems, such as the TRAJECTORY CONTROL in heavy caliber Concrete Curved jack-in process, but the system fully relies on
Correction oil cylinder, correction oil cylinder is at high cost, and top power is limited, can not accurately be rectified a deviation.
Utility model content:
In view of the shortcomings of the prior art, the utility model provides a kind of extrusion system for push-bench correction, this is practical new
Type precision is high, device is simple and compact, and utilizing the correction of dense mud is even more environmental protection and economy, and raw material cost is low.
Technical problem to be solved in the utility model is realized using following technical scheme:
It is a kind of for push-bench correction extrusion system, including anterior shield, backing, beat dredge pump system, note mud mouth and hingedly fill
It sets, the dredge pump system of beating includes motor, agitating auger pump, dense mud delivery pump and pug bucket, and the mud mouth of the pug bucket is logical
Piping is connected with agitating auger pump, and the agitating shaft of the agitating auger pump is connected to the motor, the mud extraction of the agitating auger pump
Mouth is connected by pipeline with dense mud delivery pump, and the mud mouth of the dense mud delivery pump is connected by pipeline with note mud mouth, the note
Mud mouth is set on four inner walls of anterior shield, and it is dense that monitoring is sequentially installed on the pipeline between the note mud mouth and dense mud delivery pump
The flowmeter of mudflow amount, monitoring infuse the differential pressure pickup of mud mouth and anterior shield pressure difference；The articulated mounting is set in push-bench
Portion, the articulated mounting are hinged between anterior shield and backing.
As a kind of optimization of the utility model, the dredge pump system of beating further includes fuel tank, hydraulic pump and hydraulic control valve
The oil outlet of group, the fuel tank is connected by oil pipe with hydraulic pump, and the hydraulic pump oil outlet passes through oil pipe and dense mud delivery pump
It is connected, the oil outlet of the dense mud delivery pump is connected by oil pipe with fuel tank；The hydraulic control valve group is mounted on oil pipe, this
Sample design can utilize the flow of hydraulic control valve group control hydraulic pump according to the pressure difference of differential pressure pickup.
As a kind of optimization of the utility model, four inner walls of the anterior shield include roof, bottom wall, left side wall, right side
Wall is wherein provided with 4 note mud mouths on roof, diameter is 50mm, and 3 note mud mouths are provided on bottom wall, and diameter is
1 note mud mouth is respectively arranged on 100mm, left side wall and right side wall, diameter is 100mm.It designs in this way, is because of push pipe
Machine is rectified a deviation upwards needs larger pressure, takes second place downwards, the left and right sides does not need too big pressure then.
As a kind of optimization of the utility model, ball valve is installed on the note mud mouth, is designed in this way, accurate can be controlled
Infuse the switch of mud mouth.
As a kind of optimization of the utility model, the quantity of the articulated mounting is 12, is respectively articulated with 3 for one group
In on four inner walls of shield body.
As a kind of optimization of the utility model, the articulated mounting is set as the articulated mounting of subsidiary lag function.
As a kind of optimization of the utility model, use is also equipped on the pipeline between the note mud mouth and dense mud delivery pump
In the pressure gauge of detection note mud mouth pressure.
The utility model has the beneficial effects that:
Dense mud is squeezed into shield body side by beating dredge pump system by the utility model, supplements gap and the reinforcement of shield body and the soil body
The intensity of the soil body enhances the soil body to the reaction force of shield body, to realize shield body movement correction, push-bench has been achieved
Precision correction, and using this dense native raw material, cost is greatly reduced, while will not pollute to construction environment, very
Environmental protection.The extrusion system of the utility model is simple and compact for structure simultaneously, is formed using modularization, and assembly and disassembly is also very simple,
Convenient transportation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model extrusion system；
Fig. 2 is the structural schematic diagram that the utility model beats dredge pump system；
Fig. 3 is the structural schematic diagram of the utility model push-bench cross section.
Appended drawing reference: 1, anterior shield；2, backing；3, dredge pump system is beaten；4, mud mouth is infused；5, articulated mounting；6, motor；7, it stirs
Helicoidal pump；8, dense mud delivery pump；9, pug bucket；10, flowmeter；11, differential pressure pickup；12, pressure gauge；13, fuel tank；14, liquid
Press pump；15, hydraulic control valve group；16, mud layer is squeezed.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model:
As shown in Figure 1 and Figure 2, a kind of extrusion system for push-bench correction, including anterior shield 1, backing 2, beat dredge pump system
3, mud mouth 4 and articulated mounting 5 are infused, the dredge pump system 3 of beating includes motor 6, agitating auger pump 7, dense mud delivery pump 8 and pug bucket
9, the mud mouth of the pug bucket 9 is connected by pipeline with agitating auger pump 7, the agitating shaft and motor of the agitating auger pump 7
6 are connected, and the mud mouth of the agitating auger pump 7 is connected by pipeline with dense mud delivery pump 8, the mud extraction of the dense mud delivery pump 8
Mouth is connected by pipeline with multiple note mud mouths 4 respectively, and the multiple note mud mouth 4 is respectively arranged on four inner walls of anterior shield 1, institute
It states and is sequentially installed with the flowmeter 10 for monitoring dense mudflow amount, monitoring note mud on the pipeline between note mud mouth 4 and dense mud delivery pump 8
Pressure gauge of the mouth 4 with the differential pressure pickup 11 of 1 pressure difference of anterior shield and for detecting note 4 pressure of mud mouth；It is described to beat dredge pump system 3
It further include fuel tank 13, hydraulic pump 14 and hydraulic control valve group 15, the oil outlet of the fuel tank 13 passes through oil pipe and 14 phase of hydraulic pump
Even, 14 oil outlet of hydraulic pump is connected by oil pipe with dense mud delivery pump 8, and the oil outlet of the dense mud delivery pump 8 passes through oil
Pipe is connected with fuel tank 13；The hydraulic control valve group 15 is mounted on oil pipe.The articulated mounting 5 is set to inside push-bench,
The articulated mounting 5 is hinged between anterior shield 1 and backing 2.
As shown in figure 3, four inner walls of the anterior shield 1 include roof, bottom wall, left side wall, right side wall wherein set on roof
4 note mud mouths 4 are equipped with, diameter is 50mm, 3 note mud mouths 4 is provided on bottom wall, diameter is 100mm, left side wall and right side
1 note mud mouth 4 is respectively arranged on wall, diameter is 100mm, is equipped with ball valve on the note mud mouth 4；The articulated mounting 5
Quantity be 12, be hingedly connected on four inner walls of shield body with 3 for one group, the articulated mounting 5 be set as it is subsidiary with
The articulated mounting 5 of dynamic function.
By taking push-bench is offset up as an example, utility model works process is as follows:
Push-bench is rectified a deviation upwards using articulated mounting 5, and shield body and the soil body form certain interval, and dense mud is store in pug bucket 9
It deposits, enters agitating auger pump 7 after biliquid and mixture of liquids stirring, and dense mud is transported to dense 8 suction inlet of mud delivery pump.Dense mud
The note mud mouth 4 in shield body that dense mud is transported to the state of high pressure high flow rate by delivery pump 8 infuses mud mouth 4 for dense mud and is delivered to shield
Between gap between body and the soil body, a crowded mud layer 16 is formed；Then according to the numerical value of differential pressure pickup 11, it is defeated to adjust dense mud
Pump 8 is sent, the feed flow of dense mud is controlled, after the pressure balance being subject to when shield body, dredge pump system 3 is beaten in closing.Last push pipe
Machine tunnels forward, after driving route is restored to given line, then slowly restores articulated mounting 5, completes correction.
The utility model has the beneficial effects that:
Dense mud is squeezed into shield body side by beating dredge pump system 3 by the utility model, is supplemented the gap of shield body and the soil body and is added
The intensity of the strong soil body, enhances the soil body to the reaction force of shield body, to realize shield body movement correction, push-bench has been achieved
Accurate correction greatly reduce cost, while will not pollute to construction environment and using this dense native raw material, it is non-
Chang Huanbao.The extrusion system of the utility model is simple and compact for structure simultaneously, is formed using modularization, assembly and disassembly is also very simple
It is single, convenient transportation.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
Claims (7)
1. a kind of extrusion system for push-bench correction, including anterior shield, backing, beats dredge pump system, infuses mud mouth and articulated mounting,
It is characterized by: the dredge pump system of beating includes motor, agitating auger pump, dense mud delivery pump and pug bucket, the pug bucket
Mud mouth is connected by pipeline with agitating auger pump, and the agitating shaft of the agitating auger pump is connected to the motor, the agitating auger
The mud mouth of pump is connected by pipeline with dense mud delivery pump, and the mud mouth of the dense mud delivery pump passes through pipeline and multiple notes respectively
Mud mouth is connected, and the multiple note mud mouth is respectively arranged on four inner walls of anterior shield, between the note mud mouth and dense mud delivery pump
Pipeline on be sequentially installed with monitor dense mudflow amount flowmeter, monitoring note mud mouth and anterior shield pressure difference differential pressure pickup；Institute
It states articulated mounting to be set to inside push-bench, be hinged between anterior shield and backing.
2. the extrusion system according to claim 1 for push-bench correction, which is characterized in that described to beat dredge pump system also
Including fuel tank, hydraulic pump and hydraulic control valve group, the oil outlet of the fuel tank is connected by oil pipe with hydraulic pump, the hydraulic pump
Oil outlet is connected by oil pipe with dense mud delivery pump, and the oil outlet of the dense mud delivery pump is connected by oil pipe with fuel tank；It is described
Hydraulic control valve group is mounted on oil pipe.
3. the extrusion system according to claim 1 for push-bench correction, which is characterized in that in four of the anterior shield
Wall includes roof, bottom wall, left side wall, and right side wall is wherein provided with 4 note mud mouths on roof, diameter is 50mm, is set on bottom wall
3 note mud mouths are equipped with, diameter is 100mm, and 1 note mud mouth is respectively arranged on left side wall and right side wall, and diameter is
100mm。
4. the extrusion system according to claim 1 for push-bench correction, which is characterized in that installed on the note mud mouth
There is ball valve.
5. the extrusion system according to claim 1 for push-bench correction, which is characterized in that the number of the articulated mounting
Amount is 12, and with 3 for one group, four groups are hingedly connected on four inner walls of shield body.
6. the extrusion system according to claim 1 for push-bench correction, which is characterized in that the articulated mounting is attached
Articulated mounting with lag function.
7. the extrusion system according to claim 1 for push-bench correction, which is characterized in that the note mud mouth and dense mud
The pressure gauge for detecting note mud mouth pressure is also equipped on pipeline between delivery pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820858238.1U CN208267850U (en) | 2018-06-05 | 2018-06-05 | A kind of extrusion system for push-bench correction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820858238.1U CN208267850U (en) | 2018-06-05 | 2018-06-05 | A kind of extrusion system for push-bench correction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208267850U true CN208267850U (en) | 2018-12-21 |
Family
ID=64688639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820858238.1U Expired - Fee Related CN208267850U (en) | 2018-06-05 | 2018-06-05 | A kind of extrusion system for push-bench correction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208267850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868783A (en) * | 2018-06-05 | 2018-11-23 | 中船重型装备有限公司 | A kind of extrusion system and its method for correcting error for push-bench correction |
-
2018
- 2018-06-05 CN CN201820858238.1U patent/CN208267850U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108868783A (en) * | 2018-06-05 | 2018-11-23 | 中船重型装备有限公司 | A kind of extrusion system and its method for correcting error for push-bench correction |
| CN108868783B (en) * | 2018-06-05 | 2020-04-03 | 中船重型装备有限公司 | Mud squeezing device for deviation rectification of push bench and deviation rectification method thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 Termination date: 20200605 |
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| CF01 | Termination of patent right due to non-payment of annual fee |