CN205656183U - Soil body foam modifier capability test equipment in construction of earth pressure shield structure - Google Patents
Soil body foam modifier capability test equipment in construction of earth pressure shield structure Download PDFInfo
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- CN205656183U CN205656183U CN201620353365.7U CN201620353365U CN205656183U CN 205656183 U CN205656183 U CN 205656183U CN 201620353365 U CN201620353365 U CN 201620353365U CN 205656183 U CN205656183 U CN 205656183U
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Abstract
The utility model relates to a soil body foam modifier capability test equipment in construction of earth pressure shield structure, this equipment comprises foaming system, detecting system, portable base and metal casing. Foaming system comprises solution feed system, gas supply system and foam maker, detecting system is become by the first air inlet of closed detection case, first manometer and a gas control valves, foaming system and detecting system are located portable base, the metal casing front side is equipped with liquid control valve regulating switch, a gas control valve regulating switch, the 2nd gas control valve regulating switch, observation window, and the inlet of first air inlet, second air inlet and liquid measurement pump sets up respectively on the metal casing lateral wall. The influence of native cabin pressure can be considered to this equipment, realizes that foam automatic generation and foaming agent performance detect the integration, foaming requirement under the adaptable different condition, and easy operation, easily carry, the reliability is high, can the indoor experiment of fully provided soil body modifier and existing field test's requirement.
Description
Technical field
This utility model relates to a kind of soil body foam modifying agent performance test apparatus, is particularly suited for soil body foam modifying agent performance and the test of effect in earth pressure balanced shield, EPBS construction.
Background technology
Carrying out soil improvement is to ensure the important procedure that shield is constructed safely and fast, foam soil improvement is modification method conventional in the construction of current tunneling shield, foam is by the important additives of soil improvement, foam self performance is bigger on the impact of soil improvement effect, foam self performance mainly includes stability and two aspects of frothing percentage of foam, half-life and expansion ratio are the important indicators evaluating foam property, generally speaking the half-life of foam is the longest, stability is the best, expansion ratio is the biggest, foaming properties is the best, the most obvious to the improved effect of the soil body.In existing related invention, in " bubble foaming device of a CN2614776Y earth working ", " CN102198378A soil body improvement test in construction of soil pressure balance shield foam-making apparatus " and " CN103575616B shield sediment improvement foamable composition Performance Testing device and using method thereof ", foam-making apparatus is most based on single-stage foaming；In " foam dissipation property detecting device in dregs-foam mixture under CN204286980U load effect " mentions soil cabin, pressure has important impact to foaming properties, this patent uses the way of mechanical pressurization to simulate soil pressure in soil cabin, but mechanical pressurization mode can accurately not carry out Stress control；The most existing device each several part instrument ratio is relatively decentralized, brings inconvenience to carrying out experiment in the limited interior space；Therefore study a kind of being automatically generated by foam to combine with the detection of foam performance, take into full account that soil cabin pressure to foam dissipation performance impact and the integration apparatus that improves foamable composition multiplying power more, obtains foam proportioning parameter accurately and then improves the improved effect of the soil body and have great importance indoor and on-the-spot test.
Summary of the invention
For not enough present in existing equipment instrument, this utility model provides soil body foam modifying agent performance test apparatus in a kind of EPB shield tunneling construction, can be integrated with detecting system by foam automatic creation system, the convenient indoor and on-the-spot operation tested, and the consideration soil cabin pressure more geared to actual circumstances is to foam dissipation performance impact and improves foamable composition multiplying power, and can effectively expansion ratio and stability to foaming agent be evaluated, for ensureing that soil improvement effect and engineering construction efficiency provide foundation.
To achieve these goals, the technical solution of the utility model is as follows:
Soil body foam modifying agent performance test apparatus in a kind of EPB shield tunneling construction, described test equipment is made up of foamed system, detecting system, movable pedestal and metal shell；Foamed system and detecting system are positioned on movable pedestal, are arranged in juxtaposition successively along movable pedestal length direction；Described foamed system includes liquid-supplying system, air supply system and foam maker, liquid-supplying system and air supply system are arranged in juxtaposition successively along movable pedestal width, foam maker is fixed on metal shell internal upper part, and the foam outlet of foam maker is arranged on the sidewall of metal shell；Liquid-supplying system is made up of microprocessor pump drive, liquid control valve, liquid meter and the first check valve, the liquid outlet of microprocessor pump drive is connected with the foaming agent import of foam maker by rubber tube, liquid control valve, liquid meter and the first check valve are successively set on rubber tube, liquid control valve is positioned at the liquid outlet side of microprocessor pump drive, and the first check valve is positioned at the foaming agent inlet side of foam maker；Air supply system is made up of the second air inlet, the second gas control valve, gas flow meter, the second Pressure gauge and the second check valve, second air inlet is connected with the pressure air import of foam maker by rubber tube, two gas control valves, gas flow meter, the second Pressure gauge and the second check valve are successively set on rubber tube, second check valve is positioned at the pressure air inlet side of foam maker, second gas control valve is positioned at the second air inlet side, gas flow meter and the second Pressure gauge between the second check valve and the second gas control valve；The inlet of the first air inlet, the second air inlet and microprocessor pump drive is separately positioned on metal shell sidewall, first air inlet is between the second air inlet and the inlet of microprocessor pump drive, first air inlet is connected with the 3rd air inlet on closed detection case by rubber tube, rubber tube is provided with the first Pressure gauge and the first gas control valve, and the first gas control valve is positioned at the first air inlet side；Foam inlet on closed detection case is arranged on metal shell, observation window, liquid control valve regulation switch, the first gas control valve regulation switch and the second gas control valve regulation switch it is provided with on front side of metal shell, liquid control valve regulation switch is connected with liquid control valve, first gas control valve regulation switch is connected with the first gas control valve, and the second gas control valve regulation switch is connected with the second gas control valve.
Described foam maker is by chassis, main body, termination, T-bolt, impeller and filter are constituted, chassis and termination use ring flange and bolt to be individually fixed in the two ends of main body, main body is cavity-like, impeller and T-bolt it is provided with in main body, the rotating shaft of impeller is fixed on T-bolt, T-bolt is close side, termination in being fixed on main body, movable being placed between the cavity of main body and termination of filter, foaming agent import is arranged on chassis, foam outlet is arranged on termination, the center of foaming agent import and foam outlet are centrally located on same horizontal linear, pressure air import is arranged on outside main body, pressure air import is located close to side, chassis.
Described closed detection case is by casing, special graduated cylinder, spider, lye catcher and analysis liquid sheet are constituted, spider is arranged on center in casing, lye catcher is positioned at spider lower central position, special graduated cylinder is fixed on above spider, the liquid outlet of special graduated cylinder is positioned at lye catcher, analysis liquid sheet is positioned at above the liquid outlet of special graduated cylinder, foam inlet it is respectively arranged with on casing, 3rd air inlet, foam inlet is positioned at casing top, the center of the liquid outlet of special graduated cylinder, the center of foam inlet and lye catcher are centrally located on same vertical line, 3rd air inlet is positioned at below wall box to be located.
Described foaming agent import internal diameter size is 15～30mm, pressure air import internal diameter size is 0.5 times of foaming agent import internal diameter size, foam outlet internal diameter size is equal to foaming agent import internal diameter size, filter is made up of metal framework and double layer of metal net, filter is detachable, and metal mesh number is not less than 40 mesh.
Described casing and special graduated cylinder are transparent material, and special graduated cylinder range is not less than 3000mL, and analysis liquid sheet is made up of metal framework and double layer of metal net, and metal mesh number is not less than 50 mesh, and lye catcher range is not less than 100mL, and precision is not less than 1mL.
Owing to using technique scheme, the utility model has the advantage of: first this utility model is integrated with performance detecting system by foam generating system, foam can be realized automatically generate and work continuously with the detection of foam performance, evade that each component distribution in existing equipment is scattered and foam generates and the deficiency such as foam performance detection departmental operation；Secondly this utility model is it is contemplated that the impact of soil cabin pressure, the pressure environment of foaming properties detection is controlled by pressure air, solve the inaccurate problem of Stress control in the equipment of existing employing mechanical type pressuring method, pressure environment in this utility model is more nearly soil pressure condition in the soil cabin of job site, it is ensured that the reasonability of foaming properties evaluation result；In addition the foam maker in this utility model is multistage foam device, improves the expansion ratio of foam.Simultaneously this utility model also have easy to operate, low cost, equipment occupation space are little, high reliability, have significantly effect to the improved effect improving the soil body.
Accompanying drawing explanation
Fig. 1 is soil body foam modifying agent performance test apparatus schematic diagram in EPB shield tunneling construction.
Fig. 2 is this device internal structure schematic diagram.
Fig. 3 is foam maker profile.
Fig. 4 is closed detection case part sectioned view.
nullIn figure: 1-foam outlet，2-foam inlet，3-metal shell，4-observation window，5-movable pedestal，6-inlet，7-the first air inlet，8-the second air inlet，9-liquid control valve regulation switch，10-the first gas control valve regulation switch，11-the second gas control valve regulation switch，The special graduated cylinder of 12-，13-spider，The closed detection case of 14-，15-lye catcher，16-the first gas control valve，17-the first Pressure gauge，18-liquid meter，19-liquid control valve，20-microprocessor pump drive，21-the 3rd air inlet，22-the second gas control valve，23-gas flow meter，24-the second Pressure gauge，25-the first check valve，26-the second check valve，27-foam maker，28-foaming agent import，29-chassis，30-pressure air import，31-main body，32-confluxes room，33-T type bolt，34-impeller，35-filter，36-analyses liquid sheet，37-termination，39-casing.
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
See accompanying drawing.
Soil body foam modifying agent performance test apparatus in a kind of EPB shield tunneling construction, described test equipment is made up of foamed system, detecting system, movable pedestal 5 and metal shell 3；Foamed system and detecting system are positioned on movable pedestal 5, are arranged in juxtaposition successively along movable pedestal 5 length direction；Described foamed system includes liquid-supplying system, air supply system and foam maker 27, liquid-supplying system and air supply system are arranged in juxtaposition successively along movable pedestal 5 width, foam maker 27 is fixed on metal shell 3 internal upper part, and the foam outlet 1 of foam maker 27 is arranged on the sidewall of metal shell 3；Liquid-supplying system is made up of microprocessor pump drive 20, liquid control valve 19, liquid meter 18 and the first check valve 25, the liquid outlet of microprocessor pump drive 20 is connected with the foaming agent import 28 of foam maker 27 by rubber tube, liquid control valve 19, liquid meter 18 and the first check valve 25 are successively set on rubber tube, liquid control valve 19 is positioned at the liquid outlet side of microprocessor pump drive 20, and the first check valve 25 is positioned at foaming agent import 28 side of foam maker 27；Air supply system is by the second air inlet 8, second gas control valve 22, gas flow meter 23, second Pressure gauge 24 and the second check valve 26 are constituted, second air inlet 8 is connected with the pressure air import 30 of foam maker 27 by rubber tube, two gas control valves 22, gas flow meter 23, second Pressure gauge 24 and the second check valve 26 are successively set on rubber tube, second check valve 26 is positioned at pressure air import 30 side of foam maker 27, second gas control valve 22 is positioned at the second air inlet 8 side, gas flow meter 23 and the second Pressure gauge 24 are between the second check valve 26 and the second gas control valve 22；The inlet 6 of first air inlet the 7, second air inlet 8 and microprocessor pump drive 20 is separately positioned on metal shell 3 sidewall, first air inlet 7 is between the second air inlet 8 and the inlet 6 of microprocessor pump drive 20, first air inlet 7 is connected with the 3rd air inlet 21 on closed detection case 14 by rubber tube, rubber tube is provided with the first Pressure gauge 17 and the first gas control valve 16, and the first gas control valve 16 is positioned at the first air inlet 7 side；Foam inlet 2 on closed detection case 14 is arranged on metal shell 3；Observation window 4, liquid control valve regulation switch the 9, first gas control valve regulation switch 10 and the second gas control valve regulation switch 11 it is provided with on front side of metal shell 3.
nullDescribed foam maker 27 is by chassis 29、Main body 31、Termination 37、T-bolt 33、Impeller 34 and filter 35 are constituted，Chassis 29 and termination 37 use ring flange and bolt to be individually fixed in main body 31) two ends，Main body 31 is in cavity-like，Impeller 34 and T-bolt 33 it is provided with in main body 31，The rotating shaft of impeller 34 is fixed on T-bolt 33，T-bolt 33 is close side, termination 37 in being fixed on main body 31，Between the cavity being placed in main body 31 and the termination 37 of filter 35 activity，Foaming agent import 28 is arranged on chassis 29，Foam outlet 1 is arranged on termination 37，The center of foaming agent import 28 and foam outlet 1 are centrally located on same horizontal linear，Pressure air import 30 is arranged on outside main body 31，Pressure air import 30 is located close to side, chassis 29.
Described closed detection case 14 is by casing 39, special graduated cylinder 12, spider 13, lye catcher 15 and analysis liquid sheet 36 are constituted, spider 13 is arranged on center in casing 39, lye catcher 15 is positioned at spider 13 lower central position, special graduated cylinder 12 is fixed on above spider 13, the liquid outlet of special graduated cylinder 12 is positioned at lye catcher 15, analysis liquid sheet 36 is positioned at above the liquid outlet of special graduated cylinder 12, foam inlet 2 it is respectively arranged with on casing 39, 3rd air inlet 21, foam inlet 2 is positioned at casing 39 top, the center of the liquid outlet of special graduated cylinder 12, the center of foam inlet 2 and lye catcher 15 are centrally located on same vertical line, 3rd air inlet 21 is positioned at below casing 39 sidewall to be located.
Described inlet 6 internal diameter size is 30mm, and the second described air inlet 8 internal diameter size is 15mm；Foaming agent import 28 internal diameter size is 30mm, and pressure air import 30 internal diameter size is 15mm, foam outlet) internal diameter size is 30mm.
Described filter 35 is made up of metal framework and double layer of metal net, and filter 35 is detachable, and metal mesh number is 40 mesh.
Described casing 39 and special graduated cylinder 12 are transparent material, and special graduated cylinder 12 range is 3000mL, and analysis liquid sheet 36 is made up of metal framework and double layer of metal net, and metal mesh number is 50 mesh, and lye catcher 15 range is 100mL, and precision is 1mL.
First described gas control valve the 16, second gas control valve 22 and liquid control valve 19 all use electric flow control valve, the valve openings size of the second gas control valve 22 and liquid control valve 19 can be regulated respectively by the second gas control valve regulation switch 11 and liquid control valve regulation switch 9, and then controlling the gas-liquid flow proportional of whole system, it is achieved the experiment under the conditions of different gas-liquid mixed ratios is measured；The valve openings size of first gas control valve regulation switch 10 regulation the first gas control valve 16 controls the pressure of closed detection case (14).
Claims (5)
1. soil body foam modifying agent performance test apparatus in an EPB shield tunneling construction, it is characterised in that: described test equipment is made up of foamed system, detecting system, movable pedestal (5) and metal shell (3)；Foamed system and detecting system are positioned on movable pedestal (5), are arranged in juxtaposition successively along movable pedestal (5) length direction；Described foamed system includes liquid-supplying system, air supply system and foam maker (27), liquid-supplying system and air supply system are arranged in juxtaposition successively along movable pedestal (5) width, foam maker (27) is fixed on metal shell (3) internal upper part, and the foam outlet (1) of foam maker (27) is arranged on the sidewall of metal shell (3)；Liquid-supplying system is by microprocessor pump drive (20), liquid control valve (19), liquid meter (18) and the first check valve (25) are constituted, the liquid outlet of microprocessor pump drive (20) is connected with the foaming agent import (28) of foam maker (27) by rubber tube, liquid control valve (19), liquid meter (18) and the first check valve (25) are successively set on rubber tube, liquid control valve (19) is positioned at the liquid outlet side of microprocessor pump drive (20), first check valve (25) is positioned at foaming agent import (28) side of foam maker (27)；Air supply system is by the second air inlet (8), second gas control valve (22), gas flow meter (23), second Pressure gauge (24) and the second check valve (26) are constituted, second air inlet (8) is connected with the pressure air import (30) of foam maker (27) by rubber tube, two gas control valves (22), gas flow meter (23), second Pressure gauge (24) and the second check valve (26) are successively set on rubber tube, second check valve (26) is positioned at pressure air import (30) side of foam maker (27), second gas control valve (22) is positioned at the second air inlet (8) side, gas flow meter (23) and the second Pressure gauge (24) are positioned between the second check valve (26) and the second gas control valve (22)；First air inlet (7), the inlet (6) of the second air inlet (8) and microprocessor pump drive (20) is separately positioned on metal shell (3) sidewall, first air inlet (7) is positioned between the inlet (6) of the second air inlet (8) and microprocessor pump drive (20), first air inlet (7) is connected with the 3rd air inlet (21) on closed detection case (14) by rubber tube, rubber tube is provided with the first Pressure gauge (17) and the first gas control valve (16), first gas control valve (16) is positioned at the first air inlet (7) side；Foam inlet (2) on closed detection case (14) is arranged on metal shell (3)；Observation window (4), liquid control valve regulation switch (9), the first gas control valve regulation switch (10) and the second gas control valve regulation switch (11) it is provided with on the wall of metal shell (3) front side, liquid control valve regulation switch (9) is connected with liquid control valve (19), first gas control valve regulation switch (10) is connected with the first gas control valve (16), and the second gas control valve regulation switch (11) is connected with the second gas control valve (22).
nullSoil body foam modifying agent performance test apparatus in a kind of EPB shield tunneling construction the most according to claim 1，It is characterized in that: described foam maker (27) is by chassis (29)、Main body (31)、Termination (37)、T-bolt (33)、Impeller (34) and filter (35) are constituted，Chassis (29) and termination (37) use ring flange and bolt to be individually fixed in the two ends of main body (31)，Main body (31) is in cavity-like，Impeller (34) and T-bolt (33) it is provided with in main body (31)，The rotating shaft of impeller (34) is fixed on T-bolt (33)，T-bolt (33) is close termination (37) side in being fixed on main body (31)，Between the cavity being placed in main body (31) and termination (37) that filter (35) is movable，Foaming agent import (28) is arranged on chassis (29)，Foam outlet (1) is arranged on termination (37)，The center of foaming agent import (28) and foam outlet (1) are centrally located on same horizontal linear，Pressure air import (30) is arranged on main body (31) outside，Pressure air import (30) is located close to chassis (29) side.
nullSoil body foam modifying agent performance test apparatus in a kind of EPB shield tunneling construction the most according to claim 1，It is characterized in that: described closed detection case (14) is by casing (39)、Special graduated cylinder (12)、Spider (13)、Lye catcher (15) and analysis liquid sheet (36) are constituted，Spider (13) is arranged on casing (39) interior center，Lye catcher (15) is positioned at spider (13) lower central position，Special graduated cylinder (12) is fixed on spider (13) top，The liquid outlet of special graduated cylinder (12) is positioned at lye catcher (15)，Analysis liquid sheet (36) is positioned at above the liquid outlet of special graduated cylinder (12)，Foam inlet (2) it is respectively arranged with on casing (39)、3rd air inlet (21)，Foam inlet (2) is positioned at casing (39) top，The center of the liquid outlet of special graduated cylinder (12)、Center and the lye catcher (15) of foam inlet (2) are centrally located on same vertical line，3rd air inlet (21) is positioned at below casing (39) sidewall to be located.
Soil body foam modifying agent performance test apparatus in a kind of EPB shield tunneling construction the most according to claim 2, it is characterized in that: described foaming agent import (28) internal diameter size is 15～30mm, pressure air import (30) internal diameter size is 0.5 times of foaming agent import (28) internal diameter size, foam outlet (1) internal diameter size is equal to foaming agent import (28) internal diameter size, filter (35) is made up of metal framework and double layer of metal net, and metal mesh number is not less than 40 mesh.
Soil body foam modifying agent performance test apparatus in a kind of EPB shield tunneling construction the most according to claim 3, it is characterized in that: described casing (39) and special graduated cylinder (12) are transparent material, special graduated cylinder (12) range is not less than 3000mL, analysis liquid sheet (36) is made up of metal framework and double layer of metal net, metal mesh number is not less than 50 mesh, lye catcher (15) range is not less than 100mL, and precision is not less than 1mL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620353365.7U CN205656183U (en) | 2016-04-25 | 2016-04-25 | Soil body foam modifier capability test equipment in construction of earth pressure shield structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620353365.7U CN205656183U (en) | 2016-04-25 | 2016-04-25 | Soil body foam modifier capability test equipment in construction of earth pressure shield structure |
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| Publication Number | Publication Date |
|---|---|
| CN205656183U true CN205656183U (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620353365.7U Withdrawn - After Issue CN205656183U (en) | 2016-04-25 | 2016-04-25 | Soil body foam modifier capability test equipment in construction of earth pressure shield structure |
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| CN (1) | CN205656183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699610A (en) * | 2016-04-25 | 2016-06-22 | 中国科学院武汉岩土力学研究所 | Device for testing performance of soil body foam modifier in soil pressure shield construction |
-
2016
- 2016-04-25 CN CN201620353365.7U patent/CN205656183U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699610A (en) * | 2016-04-25 | 2016-06-22 | 中国科学院武汉岩土力学研究所 | Device for testing performance of soil body foam modifier in soil pressure shield construction |
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Granted publication date: 20161019 Effective date of abandoning: 20180706 |
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Granted publication date: 20161019 Effective date of abandoning: 20180706 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |