CN210369108U - Internal support type vertical tunneling soil sampling device - Google Patents
Internal support type vertical tunneling soil sampling device Download PDFInfo
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- CN210369108U CN210369108U CN201920870706.1U CN201920870706U CN210369108U CN 210369108 U CN210369108 U CN 210369108U CN 201920870706 U CN201920870706 U CN 201920870706U CN 210369108 U CN210369108 U CN 210369108U
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Abstract
The utility model discloses a vertical tunnelling of interior support formula device that fetches earth, include: a slewing bearing; a support; the mechanical arm is a telescopic mechanism, and the non-telescopic end of the mechanical arm is hinged to one side of the support; at least one amplitude variation oil cylinder; the soil cutting device comprises a second hydraulic motor and a milling cutter; the second hydraulic motor is fixed at the end part of the telescopic end of the mechanical arm, and an output shaft of the second hydraulic motor horizontally penetrates through the middle part of the milling cutter; the mud suction cover is covered outside the milling cutter; a submersible centrifugal pump; the piston rod of the amplitude-variable oil cylinder stretches and retracts, and the non-stretching end of the mechanical arm can be driven to rotate around a hinge point of the mechanical arm in a vertical plane. The utility model has the advantages of efficient, be applicable to hard soil property, not influenced by the depth of sinking, but wide application in tunnelling geotome technical field.
Description
Technical Field
The utility model relates to a tunnelling soil sampling device technical field. More specifically speaking, the utility model relates to an interior vertical tunnelling of support formula device that fetches earth.
Background
The vertical shaft is used as an initial shaft or a receiving shaft for tunneling operation, a channel and a ventilation shaft of a traffic tunnel, an underground parking lot or a service and access channel of various underground buildings/structures; the pipe column can be used as a pile foundation of structures such as bridges and the like. To this type of 3 ~ 12m diameter shaft borrow soil and sink, adopt underwater air suction dredge or long arm excavator to assist borrow soil and sink usually, but meet comparatively hard soil matter air suction dredge and can't satisfy actual construction demand, and long arm excavator is when the sinking depth is big, also can't normally be under construction.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model also aims at providing an efficient, be applicable to hard soil property, not influenced by the sinking depth interior support formula vertical tunnelling geotome.
In order to achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an inner support type vertical excavation soil sampling device, comprising:
the slewing bearing comprises an inner ring and an outer ring which realize relative rotation through balls; the outer ring of the slewing bearing is meshed with the worm; the worm is coaxially connected with a rotating shaft of the first hydraulic motor;
the protective cover is cylindrical and is coaxially fixed on the upper part of the inner ring of the slewing bearing, and the non-telescopic ends of the telescopic supporting arms are horizontally fixed on the outer wall of the protective cover;
a bracket fixed to a lower end of an outer ring of the slewing bearing;
the mechanical arm is a telescopic mechanism, and the non-telescopic end of the mechanical arm is hinged to one side of the support;
the cylinder body of the variable amplitude oil cylinder is transversely fixed on one side of the support far away from the mechanical arm, and the end part of a piston rod of the variable amplitude oil cylinder is hinged with the non-telescopic end of the mechanical arm;
the soil cutting device comprises a second hydraulic motor and a milling cutter; the second hydraulic motor is fixed at the end part of the telescopic end of the mechanical arm, and an output shaft of the second hydraulic motor horizontally penetrates through the middle part of the milling cutter;
the mud suction cover is covered outside the milling cutter;
the submersible centrifugal pump is arranged at the top of the slewing bearing, a sludge inlet of the submersible centrifugal pump is communicated with one end of a sludge suction hose, the other end of the sludge suction hose coaxially and sequentially penetrates out of the slewing bearing, and the lower end of the sludge suction hose extends into the sludge suction cover;
the piston rod of the amplitude-variable oil cylinder stretches and retracts, and the non-stretching end of the mechanical arm can be driven to rotate around a hinge point of the mechanical arm in a vertical plane.
Preferably, the support arms each comprise:
the first fixing arm is fixed on the outer wall of the protection cover at one end;
the first telescopic oil cylinder is arranged in the first fixing arm along the length direction of the first fixing arm, and the cylinder body of the first telescopic oil cylinder is fixed at the fixed end of the first fixing arm;
the first movable arm is sleeved in the first fixed arm, and the outer side end of the first movable arm is fixed with the end part of the piston rod of the first telescopic oil cylinder;
and the top shoe is fixed on the end surface of the outer end of the first movable arm.
Preferably, the number of the supporting arms is three, and the three supporting arms are uniformly arranged on the outer wall of the protective cover.
Preferably, a matching joint is detachably fixed between the end face of the outer end of the first movable arm and the top shoe.
Preferably, the mechanical arm comprises a second fixed arm, a second movable arm and a second telescopic oil cylinder;
one end of the second fixing arm is hinged to one side of the bracket;
the second telescopic oil cylinder is arranged in the second fixing arm along the length direction of the second fixing arm, and the cylinder body of the second telescopic oil cylinder is fixed at the hinged end of the second fixing arm;
the second movable arm is sleeved inside the second fixed arm, and the outer side end of the second movable arm is fixed with the end of a piston rod of the second telescopic oil cylinder.
Preferably, the lower part of the mud suction hose is detachably fixed at the non-telescopic end of the mechanical arm.
Preferably, a mud discharging port of the submersible centrifugal pump extends out of the vertical shaft to above the ground through a mud discharging pipe.
Preferably, the internal support type vertical tunneling soil sampling device further comprises a soil retaining plate which is arranged at the top of the protective cover and seals the upper end of the protective cover, and a vertically through round hole is formed in the center of the soil retaining plate.
The utility model discloses at least, include following beneficial effect:
the internal support type vertical tunneling and soil taking device provided by the utility model applies pre-pressing force to support on the inner wall of the vertical shaft through a plurality of support arm structures, and overcomes the gravity of equipment and the working load during tunneling and soil taking; in addition, the slewing bearing, the second telescopic oil cylinder and the amplitude-variable oil cylinder realize the slewing, telescopic and amplitude-variable actions of the mechanical arm, and ensure the full coverage of the excavation surface of the milling cutter at the bottom of the vertical shaft; arm tip is provided with the milling cutter head, can change the sword tooth of different grade type according to different geology, the milling cutter head cutting soil body, dregs mud mixture is under the centrifugal effect of milling cutter head gyration, throws to in inhaling the mud cover to by dive centrifugal pump suction, realize that the borrowing of shaft sinks, this device can be applicable to hard soil property, still can keep high-efficient tunnelling efficiency under hard soil property condition, and do not receive the restriction of sinking depth, so the utility model relates to an efficient, be applicable to hard soil property, do not receive the vertical tunnelling of interior support formula that the sinking depth influences and get native device.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
fig. 3 is a bottom view of the present invention;
FIG. 4 is a view showing the connection between the protective cover and the support arm according to the present invention;
FIG. 5 is a schematic view of the position of the circular hole on the earth-retaining plate according to the present invention;
fig. 6 is a sectional view taken along the line a-a in fig. 5 according to the present invention.
Description of reference numerals: 1. support arm, 2, submersible centrifugal pump, 3, slewing bearing, 4, support, 5, second fixed arm, 6, change width of cloth hydro-cylinder, 7, second digging arm, 8, milling cutter, 9, inhale the mud cover, 10, inhale the mud hose, 11, the flexible hydro-cylinder of second, 12, the shaft, 13, the safety cover, 14, first fixed arm, 15, first flexible hydro-cylinder, 16, first digging arm, 17, top boots, 18, fender apron, 19, the round hole, 20, match the festival, 21, third hydraulic motor.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-6, the utility model provides an interior support formula vertical tunnelling geotome, include:
the slewing bearing 3 comprises an inner ring and an outer ring which realize relative rotation through balls; the outer ring of the slewing bearing 3 is meshed with the worm; the worm is coaxially connected with a rotating shaft of the first hydraulic motor;
a cylindrical protective cover 13 coaxially fixed to an upper portion of the inner ring of the slewing bearing 3, and non-telescopic ends of the plurality of telescopic support arms 1 are horizontally fixed to an outer wall of the protective cover 13;
a bracket 4 fixed to a lower end of an outer ring of the slewing bearing 3;
the mechanical arm is a telescopic mechanism, and the non-telescopic end of the mechanical arm is hinged to one side of the support 4;
the cylinder body of the variable amplitude oil cylinder 6 is transversely fixed on one side of the support 4 far away from the mechanical arm, and the end part of a piston rod of the variable amplitude oil cylinder 6 is hinged with the non-telescopic end of the mechanical arm;
a soil cutting device comprising a second hydraulic motor and a milling cutter 8; the second hydraulic motor is fixed at the end part of the telescopic end of the mechanical arm, and an output shaft of the second hydraulic motor horizontally penetrates through the middle part of the milling cutter 8;
a mud suction cover 9 which covers the outer part of the milling cutter 8;
the submersible centrifugal pump 2 is arranged at the top of the slewing bearing 3, a sludge inlet of the submersible centrifugal pump 2 is communicated with one end of a sludge suction hose 10, the other end of the sludge suction hose 10 coaxially and sequentially penetrates out of the slewing bearing 3, and the lower end of the sludge suction hose 10 extends into the sludge suction cover 9;
the piston rod of the amplitude variation oil cylinder 6 stretches and retracts, and the non-stretching end of the mechanical arm can be driven to rotate around a hinge point of the mechanical arm in a vertical plane.
In the technical scheme, the device applies pre-pressure to the inner wall of the vertical shaft 12 through a plurality of supporting arms 1 to support, so as to overcome the integral gravity and the working load during tunneling and soil taking; in addition, the slewing bearing 3, the amplitude cylinder 6 and the second telescopic cylinder 11 realize the slewing, telescopic and amplitude-variable actions of the mechanical arm, and ensure the full coverage of the excavation surface of the milling cutter 8 at the bottom; the end part of the second movable arm 7 is provided with a milling cutter 8, different types of cutter teeth can be replaced according to different geology, the milling cutter 8 cuts soil, and the residue soil and slurry mixture is thrown into the mud suction cover 9 under the action of the rotation centrifugation of the milling cutter 8 and is sucked out by the submersible centrifugal pump 2, so that soil taking and sinking of the vertical shaft 12 are realized. The submersible centrifugal pump is driven by a third hydraulic motor 21.
The first hydraulic motor rotates to drive the outer ring of the slewing bearing to rotate around the axis of the slewing bearing, so that the bracket is driven to rotate. The second hydraulic motor rotates, so that the milling cutter is driven to rotate and cut the soil body. The mud suction cover 9 is fixed at the end of the telescopic end of the mechanical arm.
The protective cover 13 is also provided with a lifting lug, so that the device is convenient to lift integrally. The length of the mud suction hose 10 is set to be not influenced by the extension, rotation and amplitude variation of the mechanical arm.
In another solution, the support arms 1 each comprise:
a first fixing arm 14 having one end fixed to an outer wall of the protective cover 13;
a first telescopic cylinder 15 disposed in the first fixed arm 14 along a length direction of the first fixed arm 14, wherein a cylinder body of the first telescopic cylinder 15 is fixed to a fixed end of the first fixed arm 14;
the first movable arm 16 is sleeved inside the first fixed arm 14, and the outer side end of the first movable arm 16 is fixed with the end part of the piston rod of the first telescopic oil cylinder 15;
and the top shoe 17 is fixed on the end face of the outer end of the first movable arm 16.
In this kind of technical scheme, the flexible of first flexible hydro-cylinder 15 drives first movable arm 16 and stretches out or retract in first fixed arm 14 to the length of change support arm 1.
In another technical scheme, the number of the support arms 1 is three, and the three support arms 1 are uniformly arranged on the outer wall of the protective cover 13.
In this kind of technical scheme, in actual work progress, support arm 1 is preferred three, and three support arm 1 evenly sets up and can guarantee that three support arm 1 atress is even, supports more stably.
In another technical scheme, a matching joint 20 is detachably fixed between the end surface of the outer end of the first movable arm 16 and the top shoe 17.
In this kind of technical scheme, through changing the matching section 20 of different length, can make this device be applicable to the open caisson of different diameters.
In another technical solution, the first and second parts are provided with a plurality of grooves,
the mechanical arm comprises a second fixed arm 5, a second movable arm 7 and a second telescopic oil cylinder 11;
one end of the second fixing arm 5 is hinged to one side of the bracket 4;
the second telescopic oil cylinder 11 is arranged in the second fixing arm 5 along the length direction of the second fixing arm 5, and the cylinder body of the second telescopic oil cylinder 11 is fixed at the hinged end of the second fixing arm 5;
the second movable arm 7 is sleeved inside the second fixed arm 5, and the outer side end of the second movable arm 7 is fixed to the end of a piston rod of the second telescopic oil cylinder 11.
In the technical scheme, the second telescopic oil cylinder 11 is telescopic to drive the second movable arm 7 to extend or retract in the first fixed arm 5, so that the length of the mechanical arm is changed.
In another technical scheme, the lower part of the mud suction hose 10 is detachably fixed at the non-telescopic end of the mechanical arm.
In another embodiment, the mud outlet of the submersible centrifugal pump 22 extends out of the shaft 12 to above the ground through a mud pipe.
In another technical scheme, the internal support type vertical tunneling and soil-taking device further comprises a soil-retaining plate 18 which is arranged at the top of the protective cover 13 and seals the upper end of the protective cover, and a vertically through circular hole 19 is formed in the center of the soil-retaining plate 18.
In this configuration, the soil guard plate 18 is provided to prevent soil or foreign matter from falling into the protective cover 13 or the slewing bearing 3. The circular hole 19 arranged on the retaining plate 18 is used for the mud suction hose 10 of the submersible centrifugal pump 2 to pass through, and the circular hole 19 is blocked by the submersible centrifugal pump 2, so that soil residue or impurities cannot enter the protective cover 13 or the inside of the slewing bearing 3 from the circular hole 19.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
1. The utility model provides an interior support formula vertical tunnelling device of fetching earth which characterized in that includes:
the slewing bearing comprises an inner ring and an outer ring which realize relative rotation through balls; the outer ring of the slewing bearing is meshed with the worm; the worm is coaxially connected with a rotating shaft of the first hydraulic motor;
the protective cover is cylindrical and is coaxially fixed on the upper part of the inner ring of the slewing bearing, and the non-telescopic ends of the telescopic supporting arms are horizontally fixed on the outer wall of the protective cover;
a bracket fixed to a lower end of an outer ring of the slewing bearing;
the mechanical arm is a telescopic mechanism, and the non-telescopic end of the mechanical arm is hinged to one side of the support;
the cylinder body of the variable amplitude oil cylinder is transversely fixed on one side of the support far away from the mechanical arm, and the end part of a piston rod of the variable amplitude oil cylinder is hinged with the non-telescopic end of the mechanical arm;
the soil cutting device comprises a second hydraulic motor and a milling cutter; the second hydraulic motor is fixed at the end part of the telescopic end of the mechanical arm, and an output shaft of the second hydraulic motor horizontally penetrates through the middle part of the milling cutter;
the mud suction cover is covered outside the milling cutter;
the submersible centrifugal pump is arranged at the top of the slewing bearing, a sludge inlet of the submersible centrifugal pump is communicated with one end of a sludge suction hose, the other end of the sludge suction hose coaxially and sequentially penetrates out of the slewing bearing, and the lower end of the sludge suction hose extends into the sludge suction cover;
the piston rod of the amplitude-variable oil cylinder stretches and retracts, and the non-stretching end of the mechanical arm can be driven to rotate around a hinge point of the mechanical arm in a vertical plane.
2. An internally supported vertical ripper and reclaimer device as recited in claim 1, wherein each of said support arms comprises:
the first fixing arm is fixed on the outer wall of the protection cover at one end;
the first telescopic oil cylinder is arranged in the first fixing arm along the length direction of the first fixing arm, and the cylinder body of the first telescopic oil cylinder is fixed at the fixed end of the first fixing arm;
the first movable arm is sleeved in the first fixed arm, and the outer side end of the first movable arm is fixed with the end part of the piston rod of the first telescopic oil cylinder;
and the top shoe is fixed on the end surface of the outer end of the first movable arm.
3. An internally supported vertical ripper and extractor as in claim 1, wherein there are three support arms and three support arms are evenly disposed on the outer wall of the shield.
4. An internally supported vertical tunnelling soil sampler as claimed in claim 2 wherein a mating joint is releasably secured between the outer end face of the first moveable arm and the top shoe.
5. An internally supported vertical excavation soil sampling device as recited in claim 1, wherein the robotic arm includes a second stationary arm, a second movable arm, and a second telescoping cylinder;
one end of the second fixing arm is hinged to one side of the bracket;
the second telescopic oil cylinder is arranged in the second fixing arm along the length direction of the second fixing arm, and the cylinder body of the second telescopic oil cylinder is fixed at the hinged end of the second fixing arm;
the second movable arm is sleeved inside the second fixed arm, and the outer side end of the second movable arm is fixed with the end of a piston rod of the second telescopic oil cylinder.
6. An internally supported vertical tunnelling soil sampler as claimed in claim 1, wherein the lower part of the mud hose is removably secured to the non-telescopic end of the robot arm.
7. An internally supported vertical tunnelling soil sampler as claimed in claim 1, wherein the mud discharge outlet of the submersible centrifugal pump extends out of the shaft above the ground through a mud pipe.
8. An internally supported vertical tunnelling soil sampler as claimed in claim 1, further comprising a retaining plate disposed on top of said shield and sealed at its upper end, said retaining plate having a vertically through bore centrally disposed therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920870706.1U CN210369108U (en) | 2019-06-11 | 2019-06-11 | Internal support type vertical tunneling soil sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920870706.1U CN210369108U (en) | 2019-06-11 | 2019-06-11 | Internal support type vertical tunneling soil sampling device |
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| Publication Number | Publication Date |
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| CN210369108U true CN210369108U (en) | 2020-04-21 |
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| CN201920870706.1U Active CN210369108U (en) | 2019-06-11 | 2019-06-11 | Internal support type vertical tunneling soil sampling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258699A (en) * | 2019-06-11 | 2019-09-20 | 中交第二航务工程局有限公司 | A kind of inner supporting type vertically tunnels drawing out soil equipment |
| CN113216295A (en) * | 2021-05-20 | 2021-08-06 | 肖磊 | Open caisson dado digging device for power transmission line iron tower |
-
2019
- 2019-06-11 CN CN201920870706.1U patent/CN210369108U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258699A (en) * | 2019-06-11 | 2019-09-20 | 中交第二航务工程局有限公司 | A kind of inner supporting type vertically tunnels drawing out soil equipment |
| CN113216295A (en) * | 2021-05-20 | 2021-08-06 | 肖磊 | Open caisson dado digging device for power transmission line iron tower |
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