CN112282791B - Quick grouting system for soil body tunnel - Google Patents
Quick grouting system for soil body tunnel Download PDFInfo
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- CN112282791B CN112282791B CN202010973718.4A CN202010973718A CN112282791B CN 112282791 B CN112282791 B CN 112282791B CN 202010973718 A CN202010973718 A CN 202010973718A CN 112282791 B CN112282791 B CN 112282791B
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- slurry
- stirring
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- grouting
- automatic filling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
Abstract
The invention discloses a rapid grouting system for a soil tunnel, which comprises a raw material stirrer, a slurry pumping machine, an automatic filling machine and a moving trolley; the raw material stirrer is arranged at the top of the movable trolley, and the pulp pumping machine and the automatic filling machine are fixed at the top of the movable trolley; the raw material stirrer is used for stirring a plurality of materials respectively to obtain stirring materials, the stirring materials are conveyed to the slurry pumping machine through the guide pipe to form grouting colloid, and then the grouting colloid is conveyed to the automatic filling machine through the guide pipe, and the automatic filling machine is used for grouting according to engineering requirements. The invention has convenient operation and use, can greatly improve the efficiency of bridge quality detection work and has lower cost.
Description
Technical Field
The invention relates to the technical field of soil body tunnels, in particular to a rapid grouting system for a soil body tunnel.
Background
With the rapid development of economy in China, in order to enable the traffic infrastructure to keep pace with the economic development, the construction projects of large-scale national industrial facilities such as a plurality of high-speed railways, subways, expressways and the like are planned in China, and tunnel construction plays a role in controlling the construction of communication vehicles on the projects. Because the soil body tunnel stratum is weak, the stratum structure is easily damaged after disturbance, and engineering problems such as cracks, uneven sinking, collapse and the like are formed. In order to ensure the safety of various facilities and promote the stability of soil bodies in the construction process, the soil bodies need to be quickly grouted and reinforced, and the current grouting technology has high cost and low efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the soil mass tunnel rapid grouting system which has simple and reasonable structural design, is convenient to operate and use, can solve the problems of low grouting speed, low efficiency and the like of a soft soil tunnel, can greatly improve the grouting work efficiency of the soil mass tunnel, reduces the cost, and has important application prospect and practical significance.
The invention relates to a rapid grouting system for a soil tunnel, which comprises a raw material stirrer, a slurry pumping machine, an automatic filling machine and a movable trolley;
the raw material stirrer is arranged at the top of the movable trolley, and the pulp pumping machine and the automatic filling machine are fixed at the top of the movable trolley; the raw material stirrer is used for stirring a plurality of materials respectively to obtain stirring materials, the stirring materials are conveyed to the slurry pumping machine through a guide pipe to form a grouting colloid and then conveyed to an automatic filling machine through the guide pipe, and the automatic filling machine is used for grouting according to engineering requirements;
the raw material stirrer comprises a stirring shell, at least one stirring mechanism and at least one storage chamber, wherein the number of the stirring mechanisms is equal to that of the storage chambers, the stirring mechanism comprises a stirring rotor, a stirring chamber and a stirring driving machine, the output end of the stirring driving machine is connected with the stirring rotor and used for driving the stirring rotor to rotate, the stirring rotor is arranged in the stirring chamber, the stirring chamber is communicated with a discharge pipeline, a control valve is arranged on the discharge pipeline, and the storage chamber is connected with the feed end of the slurry pumping machine through a conduit;
the slurry pumping machine comprises a first oil pump and a slurry flow control system; the slurry pumping machine conveys slurry into an automatic filling machine through a first oil pump through a guide pipe;
the automatic filling machine comprises a second oil pump, a pressure pump slurry conveying pipe, a slurry spraying device, a slurry spraying head, a pressure gauge, a slurry injecting guide pipe and a slurry stopping plug; the guniting device comprises a guniting part, an elastic protection pad and a cylinder; the cylinder is connected with the guniting part through the elastic protection pad, the second oil pump pumps slurry into the guniting device through the pressure slurry conveying pipe, and the slurry is mixed in the guniting device and then is inserted into a soil layer through the grouting guide pipe to be sprayed; the pressure gauge is used for measuring the internal pressure of the soil body;
the pressure gauge of the automatic filling machine is in signal connection with the slurry pumping machine and is used for automatically feeding pressure change data back to the slurry pumping machine after measuring a pressure change value in a soil body, and the slurry pumping machine adjusts the grouting amount through the slurry flow control system.
As a preferred technical scheme, the movable trolley comprises a trolley body truss, wheels and connecting bolts; the connecting bolt is used for installing the slurry pumping machine and the automatic filling machine.
As a preferred technical scheme, the slurry flow control system includes a flow controller, a flow sensor, a first flow control valve and a second flow control valve, the flow sensor and the first flow control valve are both installed on a feeding pipeline for feeding to the slurry pumping machine, the second flow control valve is installed on a discharging pipeline for feeding to the automatic filling machine, the flow controller is connected with the flow sensor, the first flow control valve and the second flow control valve through a line, and the flow controller is used for:
the flow value on each feed pipe is preset,
receiving a flow signal value and a pressure signal value transmitted by the flow sensor and the pressure measuring instrument,
comparing a flow signal value transmitted by a flow sensor on each feeding pipeline with a corresponding preset flow value, and controlling to close a corresponding first flow control valve when the preset flow value is reached;
and adjusting the opening of the second flow control valve according to the pressure signal value to adjust the grouting amount.
As a preferred technical scheme, the raw material stirrer is welded on the top of the movable trolley.
Preferably, the stirring driving machine is a driving motor or a driving cylinder.
Preferably, the stirring driver is mounted outside the stirring housing.
As a preferable technical scheme, a pressure measuring instrument of the automatic filling machine is connected with the pulp pumping machine through a data line signal.
The beneficial effects are that:
the rapid grouting system for the soil mass tunnel has the advantages of simple and reasonable structural design and convenient operation and use, can solve the problem of difficult rapid grouting of the weak soil mass tunnel, greatly improves the efficiency of grouting work when being applied to the grouting industry of the soil mass tunnel, has relatively low cost and long service life, can be repeatedly used, has important application prospect and practical significance, and is suitable for popularization and use.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a general layout of the rapid grouting system for soil mass tunnels according to the invention;
FIG. 2 is a schematic diagram of a raw material mixer of the rapid soil tunnel grouting system of the invention;
FIG. 3 is a schematic diagram of a slurry pumping machine of the soil mass tunnel rapid grouting system of the invention;
FIG. 4 is a diagram of an automatic grouting machine of the soil mass tunnel rapid grouting system of the invention;
fig. 5 is a diagram of a moving trolley of the soil mass tunnel rapid grouting system.
The device comprises a raw material mixer, a pump, an automatic filling machine, a moving trolley, a mixing rotor, a mixing chamber wall, a mixing chamber, a control valve, a storage chamber, a guide pipe, a mixer shell, a first oil pump, a slurry flow control system, a pressure pump slurry pipe, a slurry spraying part, an elastic protection pad, a cylinder, a slurry spraying head, a pressure measuring instrument, a slurry injecting guide pipe, a slurry plug, a vehicle body truss, wheels, connecting bolts, a second oil pump, soil layers and data lines, wherein A is a raw material mixer, B is a pump, C is an automatic filling machine, D is a moving trolley, 11 is a mixing rotor, 12 is a mixing chamber wall, 13 is a mixing chamber, 14 is a control valve, 15 is a storage chamber, 16 is a guide pipe, 17 is a mixer shell, 21 is a first oil pump, 22 is a slurry flow control system, 32 is a pressure pump slurry injecting pipe, 34 is an elastic protection pad, 35 is an air cylinder, 36 is a slurry injecting head, 37 is a pressure measuring instrument, 38 is a slurry injecting guide pipe, 39 a slurry plug, 41 is a vehicle body truss, 42 is a vehicle body truss, 43 is a connecting bolt, 51 is a second oil pump, 61 is an oil pump, and 71 is a data line.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, back, 8230) \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components in a specific posture (as shown in the figure), the motion situation, etc., and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, the soil tunnel rapid grouting system of the invention comprises a raw material mixer a, a slurry pumping machine B, an automatic filling machine C and a movable trolley D.
The raw material stirrer is welded at the top of the movable trolley A, and the slurry pumping machine B and the automatic filling machine C are fixed at the top of the movable trolley D through bolts 43; the raw material stirrer A is used for stirring various slurry composition materials respectively, the stirring materials are conveyed to a slurry pumping machine B through a guide pipe, various materials are quantitatively proportioned to form required grouting colloid, the required grouting colloid is conveyed to an automatic filling machine C through a guide pipe 16, and the automatic filling machine C performs grouting according to engineering requirements.
The raw material stirrer A of the soil mass tunnel rapid grouting system comprises a stirring rotor 11, a stirring chamber wall 12, a stirring chamber 13, a control valve 14, a storage chamber 15, a conduit 16 and a stirrer shell 17; the raw material stirrer A is welded and fixed on the movable lower truss C; the mixing rotor 11 mixes and stirs water and colloid materials in the mixing chamber 13, after the slurry is well stirred, the control valve 14 at the bottom of the mixing chamber 13 is opened, the slurry flows to the storage chamber 15, and then the slurry is transmitted through the conduit 16.
The slurry pump B of the soil tunnel rapid grouting system consists of a first oil pump 21 and a slurry flow control system 22. The slurry pump delivers slurry to the automatic grouting machine C through conduit 16 and controls the amount of slurry pumped through the slurry flow control system 22 and records the slurry output.
Regarding the slurry flow control system, it mainly includes flow controller, flow sensor, first flow control valve and second flow control valve, flow sensor, first flow control valve all install on the charge-in pipeline that is used for to the pump thick liquid machine feeding, the second flow control valve is installed on the ejection of compact pipeline that is used for to the automatic filling machine pay-off, flow controller with flow sensor, first flow control valve and second flow control valve all the line connection, flow controller is used for:
the flow value on each feed pipe is preset,
receiving the flow signal value and the pressure signal value transmitted by the flow sensor and the pressure measuring instrument,
comparing a flow signal value transmitted by a flow sensor on each feeding pipeline with a corresponding preset flow value, and controlling to close a corresponding first flow control valve when the preset flow value is reached;
and adjusting the opening degree of the second flow control valve according to the pressure signal value to adjust the grouting amount.
The automatic grouting machine C of the soil mass tunnel rapid grouting system consists of a second oil pump 51, a pressure pump grouting pipe 32, a grouting part 33, an elastic protection pad 34, a cylinder 35, a grouting head 36, a pressure gauge 37, a grouting guide pipe 38 and a grout stop plug 39; the guniting device consists of a guniting part 33, an elastic protection pad 34 and an air cylinder 35; the second oil pump 51 pumps the slurry into the slurry spraying device 31 through the pressure slurry conveying pipe 32, and the slurry is mixed in the slurry spraying device 31 and then is inserted into the soil layer 61 through the grouting guide pipe 38 to spray the slurry; the pressure gauge 37 measures the amount of pressure slurry inside the soil body to adjust the grouting amount.
This quick slip casting system of soil body tunnel, wherein: after the pressure gauge 37 of the automatic grouting machine C measures the pressure change value in the soil layer 61, the pressure change data is automatically fed back to the grouting machine B through the data line 71, and the grouting amount of the grouting machine B is rapidly adjusted through the slurry flow control system 22.
The moving trolley of the soil tunnel rapid grouting system consists of a trolley body truss 41, wheels 42 and connecting bolts 43.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (6)
1. The utility model provides a quick slip casting system in soil body tunnel which characterized in that: comprises a raw material stirrer, a slurry pumping machine, an automatic filling machine and a movable trolley;
the raw material stirrer is arranged at the top of the movable trolley, and the pulp pumping machine and the automatic filling machine are fixed at the top of the movable trolley; the raw material stirrer is used for stirring a plurality of materials respectively to obtain stirring materials, the stirring materials are conveyed to the slurry pumping machine through a guide pipe to form a grouting colloid and then conveyed to an automatic filling machine through the guide pipe, and the automatic filling machine is used for grouting according to engineering requirements;
the raw material stirrer comprises a stirring shell, at least one stirring mechanism and at least one storage chamber, wherein the number of the stirring mechanisms is equal to that of the storage chambers, the stirring mechanism comprises a stirring rotor, a stirring chamber and a stirring driving machine, the output end of the stirring driving machine is connected with the stirring rotor and used for driving the stirring rotor to rotate, the stirring rotor is arranged in the stirring chamber, the stirring chamber is communicated with a discharge pipeline, a control valve is arranged on the discharge pipeline, and the storage chamber is connected with the feed end of the slurry pumping machine through a conduit;
the slurry pumping machine comprises a first oil pump and a slurry flow control system; the slurry pumping machine conveys slurry into an automatic filling machine through a conduit by a first oil pump;
the automatic filling machine comprises a second oil pump, a pressure pump slurry conveying pipe, a slurry spraying device, a slurry spraying head, a pressure gauge, a slurry injecting guide pipe and a slurry stopping plug; the guniting device comprises a guniting part, an elastic protection pad and a cylinder; the air cylinder is connected with the guniting part through the elastic protection pad, the second oil pump pumps slurry into the guniting device through the pressure slurry conveying pipe, and the slurry is mixed in the guniting device and then is inserted into a soil layer through the grouting guide pipe to be sprayed; the pressure gauge is used for measuring the internal pressure of the soil body;
the pressure gauge of the automatic filling machine is in signal connection with the slurry pumping machine and is used for automatically feeding pressure change data back to the slurry pumping machine after measuring a pressure change value in a soil body, and the slurry pumping machine adjusts the grouting amount through a slurry flow control system;
the slurry flow control system comprises a flow controller, a flow sensor, a first flow control valve and a second flow control valve, wherein the flow sensor and the first flow control valve are both installed on a feeding pipeline used for feeding to the slurry pumping machine, the second flow control valve is installed on a discharging pipeline used for feeding to the automatic filling machine, the flow controller is connected with the flow sensor, the first flow control valve and the second flow control valve in an equal line mode, and the flow controller is used for:
the flow value on each feed pipe is preset,
receiving the flow signal value and the pressure signal value transmitted by the flow sensor and the pressure measuring instrument,
comparing a flow signal value transmitted by a flow sensor on each feeding pipeline with a corresponding preset flow value, and controlling to close a corresponding first flow control valve when the preset flow value is reached;
and adjusting the opening of the second flow control valve according to the pressure signal value to adjust the grouting amount.
2. The soil mass tunnel rapid grouting system of claim 1, wherein: the movable trolley comprises a trolley body truss, wheels and connecting bolts; the connecting bolt is used for installing the slurry pumping machine and the automatic filling machine.
3. The soil mass tunnel rapid grouting system of claim 1, wherein: the raw material stirrer is welded at the top of the movable trolley.
4. The soil mass tunnel rapid grouting system of claim 1, wherein: the stirring driving machine is a driving motor or a driving cylinder.
5. The soil mass tunnel rapid grouting system of claim 1, wherein: the stirring driving machine is arranged outside the stirring shell.
6. The soil mass tunnel rapid grouting system of claim 1, wherein: and the pressure gauge of the automatic filling machine is in signal connection with the slurry pumping machine through a data line.
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| CN202010973718.4A CN112282791B (en) | 2020-09-16 | 2020-09-16 | Quick grouting system for soil body tunnel |
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| CN202010973718.4A CN112282791B (en) | 2020-09-16 | 2020-09-16 | Quick grouting system for soil body tunnel |
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| CN112282791B true CN112282791B (en) | 2022-11-29 |
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| CN113236357B (en) * | 2021-06-17 | 2022-09-23 | 贵州大学 | Remote movable filling system and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5998922A (en) * | 1982-11-30 | 1984-06-07 | Meisho Kk | Control system for grout injection |
| JPH08209675A (en) * | 1995-01-31 | 1996-08-13 | Toto Denki Kogyo Kk | Grout injection control device |
| CN1399037A (en) * | 2001-07-23 | 2003-02-26 | 强化土工程株式会社 | Foundation Pouring Apparatus and method |
| CN204804343U (en) * | 2015-05-14 | 2015-11-25 | 奚济孝 | A cement grouting machine for maintenance |
| CN110425001A (en) * | 2019-08-06 | 2019-11-08 | 神华神东煤炭集团有限责任公司 | The anti-running pulp system of mine slip casting pipeline |
| CN110449068A (en) * | 2019-08-15 | 2019-11-15 | 武汉长江科创科技发展有限公司 | A kind of automatic grouting stirring system |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2437231C3 (en) * | 1974-08-02 | 1978-05-03 | P.F.T. Putz- Und Foerdertechnik Gmbh, 8715 Iphofen | Device for producing an air-entrained mortar |
| CN101332639A (en) * | 2007-06-28 | 2008-12-31 | 中铁十七局集团有限公司 | Movable asphalt cement mortar blending device |
| CN203755168U (en) * | 2014-02-12 | 2014-08-06 | 湖南聚创建筑科技有限公司 | Double-circulation type automatic pulping and grouting system |
| CN104632252B (en) * | 2015-01-09 | 2017-05-10 | 广州鑫桥建筑劳务有限公司 | Automatic grouting system |
| CN105089272A (en) * | 2015-09-14 | 2015-11-25 | 张荣斌 | Grouter with stirring device and control method of grouter |
| CN105382935A (en) * | 2015-11-03 | 2016-03-09 | 张琳 | Stirring and grouting integrated machine |
| JP6409012B2 (en) * | 2016-03-01 | 2018-10-17 | 株式会社ナカキン | Stirring and mixing apparatus and stirring and mixing method |
| CN205637607U (en) * | 2016-05-05 | 2016-10-12 | 青岛中嘉建设集团有限公司 | Solidify type cement grouting machine fast to what building went on maintaining |
| CN106514874A (en) * | 2016-12-23 | 2017-03-22 | 宁波金美亚池州管桩有限公司 | Mortar mixing control system |
| CN106837308B (en) * | 2017-03-29 | 2024-01-12 | 中铁十七局集团第三工程有限公司 | Gas tunnel pressure measuring device and method thereof |
| CN107675696A (en) * | 2017-08-23 | 2018-02-09 | 中铁二十二局集团有限公司 | A kind of Intelligent deep hole orientation slip casting and monitoring system |
| CN207930872U (en) * | 2018-03-09 | 2018-10-02 | 天津帝雅建筑工程有限公司 | A kind of movable environmental protection concrete agitating mechanism |
| CN208778006U (en) * | 2018-07-30 | 2019-04-23 | 洛阳高飞桥隧机械有限公司 | A kind of dedicated band of lining trolley is molded into pulp grinder device |
| CN109030291A (en) * | 2018-08-08 | 2018-12-18 | 成都理工大学 | Rock mass discontinuity three-dimensional network grouting test macro |
| CN211171981U (en) * | 2019-07-29 | 2020-08-04 | 中国水利水电第十四工程局有限公司 | Movable integrated grouting station |
| CN210894031U (en) * | 2019-10-15 | 2020-06-30 | 贵州大学 | Testing arrangement of rock gas anisotropic permeability |
-
2020
- 2020-09-16 CN CN202010973718.4A patent/CN112282791B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5998922A (en) * | 1982-11-30 | 1984-06-07 | Meisho Kk | Control system for grout injection |
| JPH08209675A (en) * | 1995-01-31 | 1996-08-13 | Toto Denki Kogyo Kk | Grout injection control device |
| CN1399037A (en) * | 2001-07-23 | 2003-02-26 | 强化土工程株式会社 | Foundation Pouring Apparatus and method |
| CN204804343U (en) * | 2015-05-14 | 2015-11-25 | 奚济孝 | A cement grouting machine for maintenance |
| CN110425001A (en) * | 2019-08-06 | 2019-11-08 | 神华神东煤炭集团有限责任公司 | The anti-running pulp system of mine slip casting pipeline |
| CN110449068A (en) * | 2019-08-15 | 2019-11-15 | 武汉长江科创科技发展有限公司 | A kind of automatic grouting stirring system |
Non-Patent Citations (1)
| Title |
|---|
| 大孔隙地层控制性套阀管帷幕灌浆法的设计与应用;杨彪;《智能城市》;20180814(第15期);全文 * |
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