CN111691472A - Foundation pit dewatering test device for urban rail transit - Google Patents
Foundation pit dewatering test device for urban rail transit Download PDFInfo
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- CN111691472A CN111691472A CN202010642867.2A CN202010642867A CN111691472A CN 111691472 A CN111691472 A CN 111691472A CN 202010642867 A CN202010642867 A CN 202010642867A CN 111691472 A CN111691472 A CN 111691472A
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- foundation pit
- lifting frame
- test device
- rail transit
- urban rail
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a foundation pit dewatering test device for urban rail transit, which comprises a foundation pit wall body, a vehicle body arranged above the foundation pit wall body and a lifting frame positioned in the foundation pit wall body, wherein the vehicle body is movably arranged on two sides of the top end of the foundation pit wall body, the vehicle body comprises side brackets arranged on two sides and a supporting plate connected with two groups of side brackets, universal wheels are mounted at the bottom end of each group of side brackets through supporting legs, each group of side brackets is fixedly connected with the supporting plate through a second electric push rod, the lifting frame is positioned under the supporting plate and is of a rectangular frame-shaped structure, and a group of second wire winding rollers are fixed at four corners of the top end surface of the lifting frame. This foundation ditch precipitation test device for urban rail transit can the inclination of automatically regulated lift frame to the realization is to the regulation of precipitation angle, when satisfying different angles precipitation, and overall structure shifts out in can following the foundation ditch at any time, need not fixedly.
Description
Technical Field
The invention belongs to the technical field of urban rail transit, and particularly relates to a foundation pit dewatering test device for urban rail transit.
Background
In urban rail construction, in order to know the interior ability of track and to withstand the precipitation of how much and not ponding, just can use foundation ditch precipitation test device, through foundation ditch precipitation test device, the precipitation under the simulation natural environment realizes the detection to the foundation ditch.
The urban rail transit foundation pit precipitation test device with the application number of 201921570065.4 comprises a foundation pit wall body, wherein the bottom of an inner cavity of the foundation pit wall body is transversely and fixedly connected with a foundation pit bottom plate, water conveying grooves are formed in two sides of the surface of the top of the foundation pit bottom plate, a hollow plate is installed at the top of the inner cavity of the water conveying grooves, a sliding groove is vertically formed in the top of the center of the inner surface of the foundation pit wall body, simulation of natural precipitation in a foundation pit is achieved, and the precipitation angle can be adjusted; but when the regulation to precipitation angle, it mainly goes on through manual mode, and the effect of regulation is poor, and it is inconvenient to adjust in the test procedure, and overall structure installs in the foundation ditch simultaneously, can only adapt to the use of a foundation ditch, and the scope of use is little.
Disclosure of Invention
The invention aims to provide a foundation pit dewatering test device for urban rail transit, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a foundation pit dewatering test device for urban rail transit comprises a foundation pit wall body, a vehicle body arranged above the foundation pit wall body and a lifting frame located in the foundation pit wall body, wherein the vehicle body is movably arranged on two sides of the top end of the foundation pit wall body and comprises side supports arranged on two sides and a supporting plate connected with the two groups of side supports, universal wheels are mounted at the bottom end of each group of the side supports through supporting legs, and each group of the side supports is fixedly connected with the supporting plate through a second electric push rod;
the lift frame is located the backup pad under, and the lift frame is rectangle frame column structure, and the top face four corners department of lift frame all is fixed with a set of second twine the line roller, and the inside of lift frame is provided with the outlet pipe that the even interval of multiunit set up, and the guiding mechanism, four groups are all installed through first electric push rod to two sets of lateral surfaces of lift frame symmetry all twine on the second twine the line roller and all twine and be fixed with wire rope, and four groups the backup pad is all passed on wire rope's top to fix respectively on the winding mechanism that backup pad top both sides set up.
Preferably, a foundation pit bottom plate is transversely and fixedly arranged at the bottom end of the inner cavity of the foundation pit wall body, water conveying grooves are formed in two sides of the top end face of the foundation pit bottom plate, and hollow plates are mounted at the top end inside the water conveying grooves.
Preferably, the winding mechanism comprises two sets of first winding rollers symmetrically arranged, a transmission shaft connecting the two sets of first winding rollers and a motor driving the two sets of first winding rollers to rotate, and a through hole vertically communicated is formed in a supporting plate below the first winding rollers.
Preferably, the through hole vertically corresponds to a second winding roller on the lifting frame, a steel wire rope fixed on the second winding roller penetrates through the through hole and is respectively wound and fixed on the first winding roller, the transmission shaft is coaxially and fixedly connected with the roller shafts of the two groups of first winding rollers which are adjacently arranged, and the motor is a servo motor.
Preferably, the middle of the top ends of the multiple groups of water outlet pipes are communicated with the water guide pipe, the bottom ends of the multiple groups of water outlet pipes are provided with multiple groups of water spray pipes arranged in a linear array, and the bottom ends of the water spray pipes are provided with spray heads.
Preferably, the middle of the top end of the water guide pipe is further connected with a flexible hose, and the top end of the flexible hose penetrates through a water through hole formed in the supporting plate and is communicated with an external water outlet of the water pump.
Preferably, two groups of the first electric push rods are embedded in one side of the lifting frame, and two groups of the second electric push rods are embedded between one group of side brackets and the supporting plate.
Preferably, the guide mechanism comprises a guide rod fixedly connected with the first electric push rod and guide rollers arranged in side grooves formed in the side surfaces of the guide rod, the side grooves are formed in a side surface, back to the lifting frame, of the guide rod in a linear array mode and are provided with multiple groups, the guide rollers are rotatably arranged in the side grooves, and one ends of the guide rollers extend out of the side grooves.
The invention has the technical effects and advantages that: according to the foundation pit rainfall test device for urban rail transit, the lifting frame is arranged under the supporting plate of the vehicle body, and the lifting frame can be connected with the second winding roller on the lifting frame through the winding mechanism, so that the winding mechanism can be fixedly connected with the lifting frame, the motor of the winding mechanism rotates to drive the lifting frame to move in the foundation pit, the height of rainfall can be adjusted, the inclination angle of the lifting frame can be automatically adjusted through the lifting adjustment of a single motor group, the adjustment of the angle of the rainfall is realized, the requirement for different angles of rainfall is met, the automation of functions is realized, the whole structure can be moved out of the foundation pit at any time, and the fixation is not needed;
in addition, when the lifting frame can be lifted and moved in the foundation pit by the aid of the guide mechanism, certain stability is provided, the lifting frame can be moved on one side of the top end of the foundation pit by the aid of the car body, and the car body side support and the support plate are in telescopic expansion type design, so that the position of the whole car body can be adjusted, the use of the foundation pit is met, and the use range is enlarged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the body structure of the present invention;
FIG. 3 is a schematic view of the lifting frame of the present invention;
FIG. 4 is a schematic view of the side bracket and support plate of the present invention shown in an expanded configuration.
In the figure: 1. a foundation pit wall body; 2. a foundation pit bottom plate; 3. a water delivery tank; 4. a hollowed-out plate; 5. a side bracket; 6. a support leg; 7. a support plate; 8. a winding mechanism; 9. a first winding roller; 10. a wire rope; 11. a lifting frame; 12. a guide mechanism; 13. a second winding roller; 14. a water spray pipe; 15. a spray head; 16. a flexible hose; 17. a through hole; 18. a drive shaft; 19. a motor; 20. a water through hole; 21. a water outlet pipe; 22. a water conduit; 23. a first electric push rod; 24. a guide bar; 25. a side groove; 26. a guide roller; 27. a second electric push rod;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.
The invention provides a foundation pit dewatering test device for urban rail transit, which comprises a foundation pit wall body 1, a vehicle body arranged above the foundation pit wall body 1 and a lifting frame 11 positioned in the foundation pit wall body 1, wherein the vehicle body is movably arranged on two sides of the top end of the foundation pit wall body 1, the vehicle body comprises side brackets 5 arranged on two sides and a supporting plate 7 connected with the two groups of side brackets 5, the bottom end of each group of side brackets 5 is provided with a universal wheel through a supporting leg 6, and each group of side brackets 5 is fixedly connected with the supporting plate 7 through a second electric push rod 27;
Specifically, the bottom of the inner cavity of the foundation pit wall body 1 is transversely and fixedly provided with a foundation pit bottom plate 2, water conveying grooves 3 are formed in two sides of the top end face of the foundation pit bottom plate 2, hollow plates 4 are installed at the top ends of the inner parts of the water conveying grooves 3, and water obtained in the precipitation test process can be discharged through the matching of the water conveying grooves 2 and the hollow plates 4.
Specifically, the winding mechanism 8 comprises two sets of first winding rollers 9 symmetrically arranged, a transmission shaft 18 connecting the two sets of first winding rollers 9, and a motor 19 driving the two sets of first winding rollers 9 to rotate, and a through hole 17 vertically penetrating is formed in the supporting plate 7 below the first winding rollers 9.
Specifically, the vertical correspondence of second twine the line hole 17 and the lift frame 11 on the second twine the line roller 13, and fixed wire rope 10 passes the line hole 17 on the second twine the line roller 13 to twine respectively and fix on first twine the line roller 9, realize fixing through wire rope 10 between a set of first twine the line roller 9 and a set of second twine the line roller 13, the coaxial fixed connection of the roller of the first twine the line roller 9 of transmission shaft 18 and two sets of adjacent settings, just motor 19 is servo motor 19, realizes that a set of motor 19 can be through the rotation that drives two sets of first twine the line roller 9, and during just reversing, realizes the lift of lift frame 11.
Specifically, the middle of the top ends of the multiple groups of water outlet pipes 21 are communicated with the water guide pipe 22, the bottom ends of the multiple groups of water outlet pipes 21 are provided with multiple groups of water spray pipes 14 arranged in a linear array, and the bottom ends of the water spray pipes 14 are provided with spray heads 15.
Specifically, the middle of the top end of the water conduit 22 is further connected with a flexible hose 16, wherein the top end of the flexible hose 16 penetrates through a water through hole 20 formed in the supporting plate 7 to be communicated with an external water pump water outlet, so that external water enters the water conduit 22 through the flexible hose 16, and distribution of the external water is realized.
Specifically, first electric push rod 23 is embedded to be installed two sets ofly in one side of drop frame 11, and first electric push rod 23 can realize the regulation to guiding mechanism, second electric push rod 27 is also embedded to be installed two sets ofly between a set of collateral branch frame 5 and backup pad 7, and second electric push rod 27 can realize the regulation to automobile body length.
Specifically, guiding mechanism 12 includes guide bar 24 with first electric putter 23 fixed connection and installs the guide roller 26 in the side groove 25 that the guide bar 24 side was seted up, side groove 25 is linear array at the guide bar 24 and opens on the side of lifting frame 11 dorsad and has the multiunit, guide roller 26 rotates the setting in side groove 25, and guide roller 26's one end all stretches out side groove 25, when guaranteeing that guide roller 26 and foundation ditch wall 1 inner wall contact, can not influence the lift of lifting frame 11.
The working principle of the foundation pit dewatering test device for urban rail transit is that when the foundation pit dewatering test device is used, a vehicle body is moved to one side of a foundation pit, a second electric push rod 27 is started according to the size of the foundation pit, the side brackets 5 on the two sides of the vehicle body are positioned on the two sides of the foundation pit through the extension of the second electric push rod 27, a supporting plate 7 is positioned above the foundation pit, then two groups of motors 19 are started to rotate simultaneously, the motors 19 rotate to drive a first winding roller 9 to rotate, a steel wire rope 10 is loosened, at the moment, a lifting frame 11 is descended through gravity until the lifting frame enters the foundation pit (shown in figure 1), then the rotation of the motors 19 is firstly closed, the extension of a first electric push rod is started, when the first electric push rod 23 extends, a guide rod 24 is driven to approach the surface of the foundation pit, until a guide roller 26 is contacted with the inner cavity wall of the foundation pit, the extension of the first electric, the water pump carries out precipitation work with water from flexible hose 16, aqueduct 22, outlet pipe 21 to shower nozzle 15 of spray pipe 14 below, when the angle and the position of precipitation need be adjusted, certain automobile body contracts first electric push rod 23, starts the rolling of one of them group of motor 19, can accomplish the upgrading frame and incline to the one side that does not roll by motor 19 rolling one side, realizes the slope of precipitation angle, simultaneously when precipitation test completion back, can remove lift frame 11 below backup pad 7 once more.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a foundation ditch precipitation test device for urban rail transit, includes foundation ditch wall body (1), sets up at the automobile body of foundation ditch wall body (1) top and be located lift frame (11) in foundation ditch wall body (1), its characterized in that: the trolley body is movably arranged on two sides of the top end of the foundation pit wall body (1), and comprises side brackets (5) arranged on two sides and a supporting plate (7) connected with the two groups of side brackets (5), wherein universal wheels are mounted at the bottom end of each group of side brackets (5) through supporting legs (6), and each group of side brackets (5) is fixedly connected with the supporting plate (7) through a second electric push rod (27);
lifting frame (11) are located backup pad (7) under, lifting frame (11) are rectangle frame column structure, and lifting frame's (11) top face four corners department all is fixed with a set of second twine roller (13), and lifting frame's (11) inside is provided with outlet pipe (21) that the even interval of multiunit set up, and guiding mechanism (12), four groups are all installed through first electric push rod (23) to two sets of lateral surfaces of lifting frame (11) symmetry all twine on second twine roller (13) and be fixed with wire rope (10), and four groups backup pad (7) are all passed on wire rope's (10) top to fix respectively on the spiral mechanism (8) that backup pad (7) top both sides set up.
2. The foundation pit dewatering test device for urban rail transit of claim 1, characterized in that: the foundation pit wall body (1) is characterized in that a foundation pit bottom plate (2) is transversely and fixedly arranged at the bottom end of an inner cavity of the foundation pit wall body, water conveying grooves (3) are formed in two sides of the top end face of the foundation pit bottom plate (2), and hollow plates (4) are installed at the top ends of the inner portions of the water conveying grooves (3).
3. The foundation pit dewatering test device for urban rail transit of claim 1, characterized in that: the winding mechanism (8) comprises two sets of first winding rollers (9) which are symmetrically arranged, a transmission shaft (18) which is connected with the two sets of first winding rollers (9) and a motor (19) which drives the two sets of first winding rollers (9) to rotate, and a vertical through hole (17) is formed in a supporting plate (7) below the first winding rollers (9).
4. The foundation pit dewatering test device for urban rail transit of claim 3, characterized in that: the wire passing holes (17) are vertically corresponding to second winding rollers (13) on the lifting frame (11), steel wire ropes (10) fixed on the second winding rollers (13) penetrate the wire passing holes (17) and are respectively wound and fixed on first winding rollers (9), the transmission shafts (18) are fixedly connected with the roller shafts of the two groups of first winding rollers (9) which are adjacently arranged, and the motor (19) is a servo motor.
5. The foundation pit dewatering test device for urban rail transit of claim 1, characterized in that: the middle of the top end of each water outlet pipe (21) is communicated with a water guide pipe (22), the bottom ends of the water outlet pipes (21) are provided with a plurality of groups of water spray pipes (14) which are arranged in a linear array, and the bottom ends of the water spray pipes (14) are provided with spray heads (15).
6. The foundation pit dewatering test device for urban rail transit of claim 5, characterized in that: the middle of the top end of the water guide pipe (22) is also connected with a flexible hose (16), wherein the top end of the flexible hose (16) penetrates through a limber hole (20) formed in the supporting plate (7) and is communicated with an external water outlet of the water pump.
7. The foundation pit dewatering test device for urban rail transit of claim 1, characterized in that: two groups of first electric push rods (23) are embedded and installed on one side of the lifting frame (11), and two groups of second electric push rods (27) are embedded and installed between the side support (5) and the supporting plate (7).
8. The foundation pit dewatering test device for urban rail transit of claim 1, characterized in that: the guide mechanism (12) comprises a guide rod (24) fixedly connected with the first electric push rod (23) and guide rollers (26) installed in side grooves (25) formed in the side faces of the guide rod (24), the side grooves (25) are arranged in a linear array mode on one side face, back to the lifting frame (11), of the guide rod (24) and are provided with multiple groups, the guide rollers (26) are arranged in the side grooves (25) in a rotating mode, and one ends of the guide rollers (26) extend out of the side grooves (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010642867.2A CN111691472A (en) | 2020-07-06 | 2020-07-06 | Foundation pit dewatering test device for urban rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010642867.2A CN111691472A (en) | 2020-07-06 | 2020-07-06 | Foundation pit dewatering test device for urban rail transit |
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| Publication Number | Publication Date |
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| CN111691472A true CN111691472A (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010642867.2A Pending CN111691472A (en) | 2020-07-06 | 2020-07-06 | Foundation pit dewatering test device for urban rail transit |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2284393C1 (en) * | 2005-04-11 | 2006-09-27 | Ооо "Уск-Спецстрой" | Foundation pit construction method |
| CN104464478A (en) * | 2014-12-17 | 2015-03-25 | 中国地质大学（武汉） | Rainfall simulation device for landslide model experiment |
| CN110700295A (en) * | 2019-11-14 | 2020-01-17 | 中国电建集团成都勘测设计研究院有限公司 | Accumulated water removing device for foundation pit |
| CN210626276U (en) * | 2019-09-20 | 2020-05-26 | 中铁上海工程局集团有限公司 | Urban rail transit foundation pit dewatering test device |
| CN210834016U (en) * | 2019-09-24 | 2020-06-23 | 深圳市敏润电子科技有限公司 | A drip controller for test fixture |
-
2020
- 2020-07-06 CN CN202010642867.2A patent/CN111691472A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2284393C1 (en) * | 2005-04-11 | 2006-09-27 | Ооо "Уск-Спецстрой" | Foundation pit construction method |
| CN104464478A (en) * | 2014-12-17 | 2015-03-25 | 中国地质大学（武汉） | Rainfall simulation device for landslide model experiment |
| CN210626276U (en) * | 2019-09-20 | 2020-05-26 | 中铁上海工程局集团有限公司 | Urban rail transit foundation pit dewatering test device |
| CN210834016U (en) * | 2019-09-24 | 2020-06-23 | 深圳市敏润电子科技有限公司 | A drip controller for test fixture |
| CN110700295A (en) * | 2019-11-14 | 2020-01-17 | 中国电建集团成都勘测设计研究院有限公司 | Accumulated water removing device for foundation pit |
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Application publication date: 20200922 |