CN112663621A - Combined type flexible supporting integrated supporting system for building deep foundation pit engineering - Google Patents
Combined type flexible supporting integrated supporting system for building deep foundation pit engineering Download PDFInfo
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- CN112663621A CN112663621A CN202011491166.XA CN202011491166A CN112663621A CN 112663621 A CN112663621 A CN 112663621A CN 202011491166 A CN202011491166 A CN 202011491166A CN 112663621 A CN112663621 A CN 112663621A
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims description 63
- 238000005553 drilling Methods 0.000 claims description 36
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000010276 construction Methods 0.000 claims description 16
- 238000007781 pre-processing Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000004567 concrete Substances 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims 1
- 230000010354 integration Effects 0.000 claims 1
- 238000003756 stirring Methods 0.000 description 10
- 239000002131 composite material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- Earth Drilling (AREA)
Abstract
The invention discloses a combined type flexible support integrated supporting system for building deep foundation pit engineering, which belongs to the field of combined type flexible support of building deep foundation pits.
Description
Technical Field
The invention relates to the field of composite flexible supports for building deep foundation pits, in particular to a composite flexible support integrated supporting system for building deep foundation pit engineering.
Background
The foundation pit support is a supporting, blocking, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit.
With the increasing of high-rise buildings, the importance of foundation pit engineering is remarkable, as most foundation pits are constructed in dense-population buildings and dense-underground and overground municipal-pipeline buildings, the requirements on stability and displacement of the foundation pits are controlled strictly, and with the full utilization of underground space, the depth of the foundation pits is increased continuously, and the requirements on foundation pit support are higher.
The flexible supporting structure in the prior art is generally composed of row piles or continuous walls, the lower end of the flexible supporting structure is embedded into a soil body, an additional supporting effect is obtained through anchor rods or an inner supporting system, the flexible supporting structure in the prior art is generally elastically embedded, the flexible supporting construction in the prior art is generally field construction, the construction efficiency is low, and the adjacent row piles or the continuous walls are in rigid connection, so that the supporting effect is poor.
In the existing anchoring mode, flexible support is adopted, so that the anchor rod needs to bear the pressure of a heavy object, care is needed to be taken that the anchor rod is easy to loosen due to the fluctuating force of the flexible support, for example, the heavy object falls on the flexible support, and the flexible support is buffered through fluctuation, so that the anchor rod needs to be more stable before being fixed.
Disclosure of Invention
The invention provides a composite flexible support integrated supporting system for building deep foundation pit engineering, aiming at solving the problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a combined type flexible support integrated supporting system for building deep foundation pit engineering comprises the following steps:
s1, leveling the foundation pit side slope;
s2, quickly spraying concrete to the side slope trimmed in the step S1, and closing the side slope of the foundation pit in time;
s3, after the concrete in the step S2 is solidified, drilling holes by adopting a pre-processing drilling tool according to the support design, and after the drilling is finished, pre-processing the inner part of the drilled holes;
s4, injecting cement slurry into the anchor hole after the pretreatment is finished, and inserting the anchor rod;
s4, mounting prefabricated steel wire mesh frames on the side slope of the foundation pit after the anchor rod construction is finished, connecting two adjacent steel wire mesh frames with the end part of the anchor rod through a connecting component, reserving an insertion end at the bottom of each steel wire mesh frame, and inserting the insertion ends into the bottom of the foundation pit during construction;
and S5, spraying concrete on the prefabricated steel wire mesh frame for the second time.
Preferably, the pre-treatment is carried out by pre-treating the drilling tool to fill the anchor hole with water so that the anchor hole becomes mud.
A preliminary treatment drilling tool that integrated braced system of combined type flexible support of building deep basal pit engineering carries out design, preliminary treatment drilling tool includes: the device comprises an external connecting frame, a power driving bin, a separation bin and a pretreatment drill bit, and is characterized in that the power driving bin and the separation bin are sequentially arranged in the external connecting frame from left to right, and the pretreatment drill bit is movably sleeved in the separation bin;
the inside fixed mounting in power drive storehouse has power drive mechanism, the inside power drive mechanism downside fixed mounting that is located in power drive storehouse has the preliminary treatment switching mechanism, preliminary treatment switching mechanism right side activity is cup jointed on power drive mechanism, power drive mechanism right side top and preliminary treatment drill bit left side fixed connection, the inside movable mounting of preliminary treatment drill bit has in-hole processing mechanism, in-hole processing mechanism left side and moving mechanism upside fixed connection, moving mechanism and power drive mechanism meshing are connected, in-hole processing mechanism left side upper end and power drive storehouse inner wall fixed connection in drilling
Preferably, the power drive mechanism comprises: servo motor, drive gear, rolling gear, left side switching gear, right side switching gear, integral key shaft and linked gear, servo motor main shaft front end and drive gear axle center fixed connection, the drive gear downside is connected with the meshing of rolling gear upside, rolling gear axle center and integral key shaft left side fixed connection, the integral key shaft middle part left and right sides has movably cup jointed respectively that left side switches gear and right side switching gear, integral key shaft middle part and preliminary treatment switching mechanism swing joint, integral key shaft right-hand member and power drive storehouse inner wall swing joint, a left side switches gear front side and is connected with the moving mechanism meshing, right side switching gear upside and linked gear downside meshing are connected, linked gear and preliminary treatment drill bit left side axle center fixed connection.
Preferably, the pretreatment switching mechanism includes: the power driving bin is internally provided with a switching motor which is fixedly arranged below a servo motor, a switching motor main shaft is fixedly connected with the lower end of the switching rod, the upper end of the switching rod is movably connected with one end of a linkage rod, one end of the linkage rod is movably connected with one end of a shifting fork, and one end of the shifting fork is movably connected with the middle of a spline shaft in an axis mode.
Preferably, the moving mechanism includes: the front side of the left switching gear is meshed with the transmission gear, the axis of the transmission gear is fixedly connected with the middle of the rotating lead screw, the left end and the right end of the rotating lead screw are movably connected with the inner wall of the power driving bin, the moving block is sleeved on the left side of the rotating lead screw in a threaded manner, and the upper side of the moving block is fixedly connected with the left side of the in-hole processing mechanism.
Preferably, the in-borehole treatment mechanism comprises: rotate square pole, coupling hose, charge-in pipeline, connecting block, dwang and transfer line, movable block upper end and rotation square pole left side fixed connection, rotate square pole left end and coupling hose right-hand member fixed connection, coupling hose left end and charge-in pipeline lower extreme fixed connection, charge-in pipeline upper end and power drive storehouse inner wall fixed connection, rotate the square pole right side and extend inside the preliminary treatment drill bit right side and put fixed connection with connecting block left side central point, the connecting block right side is through pivot and dwang left end swing joint, the dwang right side is through pivot and transfer line left end swing joint, the transfer line right-hand member is through pivot and the inside swing joint of preliminary treatment drill bit.
Compared with the prior art, the invention provides a combined type flexible support integrated supporting system for building deep foundation pit engineering, which has the following beneficial effects:
1. the invention has the beneficial effects that: the adoption is according to strutting the preliminary treatment drilling tool that requires the design and carry out the preliminary treatment back to the drilling, anchor again, can effectively improve stock and the inside fastness of foundation ditch, and adopt the wire netting frame can in time carry out effectual cover and strut to deep basal pit side slope, the dynamic stress that produces during the displacement of effectual absorption side slope, there is the support cushioning effect, the stock becomes integrative with deep basal pit bank protection and undertakes elastic strain jointly, improve the self-supporting atress of deep basal pit side slope, the combined type flexible support system is constituteed jointly to the elastic filler of cushioning effect and the stock of reinforcing action and shotcrete, very big change the effect of strutting, and prefabricated component makes construction convenience, high efficiency.
2. The invention has the beneficial effects that: in the use process, after the pretreatment drill bit is aligned to an area needing drilling, a servo motor is started to drive the pretreatment drill bit to rotate, after the pretreatment drill bit drills into a certain depth, water is firstly input through a feeding pipeline to soften the area near a rotating rod and a transmission rod, then a switching motor is started to drive a pretreatment switching mechanism to operate, the servo motor drives a moving mechanism to operate to drive an in-drilling treatment mechanism to operate, the rotating rod and the transmission rod are unfolded to form stirring blades, then the switching motor operates to drive the pretreatment drill bit to operate, the stirring blades formed by the rotating rod and the transmission rod are driven to operate, soil near the stirring blades is loosened and water is mixed with the stirring blades, the rotating rod and the transmission rod are recovered after the mixing is finished, then the pretreatment drill bit is taken out, cement paste is infused into the interior through drilling, and the density property between, the cement paste sinks to be attached to the inside of the drilled hole, the mud is extruded out, and then the anchor rod is inserted into the cement paste to be firmly fixed with the cement paste.
3. The invention has the beneficial effects that: in the use process, the switching motor is started to drive the switching rod to rotate, the linkage rod is driven to move, and the shifting fork is driven to move so as to be in contact with the left switching gear and the right switching gear; in the use process, the left switching gear rotates to drive the transmission gear to rotate, the rotating lead screw is driven to rotate to drive the moving block to move, the rotating square rod is driven to move, the connecting block is driven to move, the rotating rod and the transmission rod are driven to expand, and the stirring fan blade is formed.
Drawings
FIG. 1 is a flow chart of an embodiment of the present invention for a composite flexible support integrated support system for construction of deep foundation pit engineering;
FIG. 2 is a perspective view of an embodiment of the present invention of a composite flexible support integrated support system for construction of deep foundation pit engineering;
FIG. 3 is a disassembled perspective view of one embodiment of the composite flexible support integrated support system for building deep foundation pit engineering according to the present invention;
FIG. 4 is a disassembled perspective view of one embodiment of the composite flexible support integrated support system for building deep foundation pit engineering according to the present invention;
FIG. 5 is a construction drawing illustrating drilling and pretreatment of a composite flexible support integrated support system for construction of deep foundation pit engineering according to an embodiment of the present invention;
fig. 6 is a construction drawing after installation of an anchor rod of a specific embodiment of the combined flexible support integrated supporting system for building deep foundation pit engineering provided by the invention.
Reference numerals:
101 external connecting frame, 102 power driving bin, 103 separating bin, 104 pretreatment drill bit, 201 servo motor, 202 driving gear, 203 rotating gear, 204 left switching gear, 205 right switching gear, 206 spline shaft, 207 linkage gear, 301 switching motor, 302 switching rod, 303 linkage rod, 304 shifting fork, 401 transmission gear, 402 rotating screw rod, 403 moving block, 501 rotating square rod, 502 connecting hose, 503 feeding pipeline, 504 connecting block, 505 rotating rod and 506 driving 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-6, a composite flexible supporting integrated supporting system for building deep foundation pit engineering comprises the following steps:
s1, leveling the foundation pit side slope;
s2, quickly spraying concrete to the side slope trimmed in the step S1, and closing the side slope of the foundation pit in time;
s3, after the concrete in the step S2 is solidified, drilling holes by adopting a pre-processing drilling tool according to the support design, and after the drilling is finished, pre-processing the inner part of the drilled holes;
s4, injecting cement slurry into the anchor hole after the pretreatment is finished, and inserting the anchor rod;
s4, mounting prefabricated steel wire mesh frames on the side slope of the foundation pit after the anchor rod construction is finished, connecting two adjacent steel wire mesh frames with the end part of the anchor rod through a connecting component, reserving an insertion end at the bottom of each steel wire mesh frame, and inserting the insertion ends into the bottom of the foundation pit during construction;
and S5, spraying concrete on the prefabricated steel wire mesh frame for the second time.
Further, it is preferable that the pretreatment is to fill the inside of the anchor hole with water by pretreating the drilling tool so that the inside becomes slurry.
A combined type flexible supporting integrated supporting system for building deep foundation pit engineering carries out the preliminary treatment drilling tool who designs, preliminary treatment drilling tool includes: the device comprises an external connecting frame 101, a power driving bin 102, a separation bin 103 and a pretreatment drill bit 104, and is characterized in that the power driving bin 102 and the separation bin 103 are sequentially arranged in the external connecting frame 101 from left to right, and the pretreatment drill bit 104 is movably sleeved in the separation bin 103;
power driving mechanism is fixedly installed inside power driving bin 102, preprocessing switching mechanism is fixedly installed on the lower side, located inside the power driving mechanism, of power driving bin 102, the right side of preprocessing switching mechanism is movably sleeved on power driving mechanism, the upper portion of the right side of power driving mechanism is fixedly connected with the left side of preprocessing drill bit 104, preprocessing drill bit 104 is movably installed inside drilling processing mechanism, the left side of drilling processing mechanism is fixedly connected with the upper side of moving mechanism, moving mechanism is connected with power driving mechanism in a meshed mode, the upper end of the left side of drilling processing mechanism is fixedly connected with the inner wall of power driving bin 102
After the pretreatment drill bit 104 is aligned with an area needing drilling in the using process, the servo motor 201 is started to drive the pretreatment drill bit 104 to rotate, after the pretreatment drill bit is drilled into a certain depth, water is firstly input through the feeding pipeline 503 to soften the area near the rotating rod 505 and the transmission rod 506, then the switching motor 301 is started to drive the pretreatment switching mechanism to operate, the servo motor 201 drives the moving mechanism to operate, the in-drilling treatment mechanism is driven to operate, the rotating rod 505 and the transmission rod 506 are unfolded to form stirring blades, then the motor 301 is switched to operate, the servo motor 201 drives the pretreatment drill bit 104 to operate, the stirring blades formed by the rotating rod 505 and the transmission rod 506 are driven to operate, soil near the stirring blades are loosened and water is mixed with the stirring blades, the rotating rod 505 and the transmission rod 506 are recycled after the mixing is finished, then the pretreatment drill bit 104 is taken out and, through different with the density attribute between the mud, the grout sinks and laminates with drilling inside, and mud is extruded, later inserts the stock wherein, makes firmly fixed between its and the grout.
Example 2: the difference is based on example 1;
the power drive mechanism includes: the automatic drilling machine comprises a servo motor 201, a driving gear 202, a rotating gear 203, a left switching gear 204, a right switching gear 205, a spline shaft 206 and a linkage gear 207, wherein the front end of a main shaft of the servo motor 201 is fixedly connected with the shaft center of the driving gear 202, the lower side of the driving gear 202 is meshed with the upper side of the rotating gear 203, the shaft center of the rotating gear 203 is fixedly connected with the left side of the spline shaft 206, the left switching gear 204 and the right switching gear 205 are movably sleeved on the left side and the right side of the middle of the spline shaft 206 respectively, the middle of the spline shaft 206 is movably connected with a pretreatment switching mechanism, the right end of the spline shaft 206 is movably connected with the inner wall of a power driving bin 102, the front side of the left switching gear 204 is meshed with a moving.
The preliminary treatment switching mechanism includes: switching motor 301, switching rod 302, gangbar 303 and shift fork 304, power drive storehouse 102 is inside to be located servo motor 201 below fixed mounting and has switching motor 301, switching motor 301 main shaft and switching rod 302 lower extreme fixed connection, and switching rod 302 upper end and gangbar 303 one end swing joint, gangbar 303 one end and shift fork 304 one end swing joint, shift fork 304 one end axle center and integral key shaft 206 middle part swing joint.
The moving mechanism includes: the front side of the left switching gear 204 is meshed with the transmission gear 401, the axis of the transmission gear 401 is fixedly connected with the middle of the rotating lead screw 402, the left end and the right end of the rotating lead screw 402 are movably connected with the inner wall of the power driving bin 102, the moving block 403 is sleeved on the left side of the rotating lead screw 402 in a threaded manner, and the upper side of the moving block 403 is fixedly connected with the left side of the in-hole processing mechanism.
The in-borehole treatment mechanism comprises: the device comprises a rotating square rod 501, a connecting hose 502, a feeding pipeline 503, a connecting block 504, a rotating rod 505 and a transmission rod 506, wherein the upper end of a moving block 403 is fixedly connected with the left side of the rotating square rod 501, the left end of the rotating square rod 501 is fixedly connected with the right end of the connecting hose 502, the left end of the connecting hose 502 is fixedly connected with the lower end of the feeding pipeline 503, the upper end of the feeding pipeline 503 is fixedly connected with the inner wall of a power driving bin 102, the right side of the rotating square rod 501 extends to the inside of the right side of a pretreatment drill bit 104 and is fixedly connected with the center of the left side of the connecting block 504, the right side of the connecting block 504 is movably connected with the left end of the rotating rod 505 through a rotating shaft, the right.
In the using process, the switching motor 301 is started to drive the switching rod 302 to rotate, the linkage rod 303 is driven to move, the shifting fork 304 is driven to move, and the shifting fork is enabled to be in contact with the left switching gear 204 and the right switching gear 205, so that the servo motor 201 is started to drive the driving gear 202 to rotate, the rotating gear 203 is driven to rotate, the spline shaft 206 is driven to rotate, the shifting fork 304 is driven to rotate, the left switching gear 204 or the right switching gear 205 is driven to rotate, and the moving mechanism or the pretreatment drill bit 104 is driven to operate; in the use process, the left switching gear 204 rotates to drive the transmission gear 401 to rotate, the rotating lead screw 402 is driven to rotate to drive the moving block 403 to move, the rotating square rod 501 is driven to move, the connecting block 504 is driven to move, and the rotating rod 505 and the transmission rod 506 are driven to expand to form the stirring fan blade.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a building deep basal pit engineering's combined type flexible support integration braced system which characterized in that includes the following step:
s1, leveling the foundation pit side slope;
s2, quickly spraying concrete to the side slope trimmed in the step S1, and closing the side slope of the foundation pit in time;
s3, after the concrete in the step S2 is solidified, drilling holes by adopting a pre-processing drilling tool according to the support design, and after the drilling is finished, pre-processing the inner part of the drilled holes;
s4, injecting cement slurry into the anchor hole after the pretreatment is finished, and inserting the anchor rod;
s4, mounting prefabricated steel wire mesh frames on the side slope of the foundation pit after the anchor rod construction is finished, connecting two adjacent steel wire mesh frames with the end part of the anchor rod through a connecting component, reserving an insertion end at the bottom of each steel wire mesh frame, and inserting the insertion ends into the bottom of the foundation pit during construction;
and S5, spraying concrete on the prefabricated steel wire mesh frame for the second time.
2. The combined type flexible supporting integrated supporting system for building deep foundation pit engineering according to claim 1, characterized in that: and the pretreatment is implemented by filling water into the anchor hole through a pretreatment drilling tool, so that the inside of the anchor hole is changed into slurry.
3. The pretreatment drilling tool designed by the combined type flexible support integrated supporting system for building deep foundation pit engineering according to claim 1, is characterized in that: the pre-conditioning drilling tool comprises: the device comprises an outer connecting frame (101), a power driving bin (102), a separating bin (103) and a pretreatment drill bit (104), and is characterized in that the power driving bin (102) and the separating bin (103) are sequentially arranged in the outer connecting frame (101) from left to right, and the pretreatment drill bit (104) is movably sleeved in the separating bin (103);
the power driving mechanism is fixedly installed inside the power driving bin (102), the preprocessing switching mechanism is fixedly installed on the lower side of the power driving mechanism inside the power driving bin (102), the preprocessing switching mechanism is movably sleeved on the power driving mechanism on the right side, the upper side of the right side of the power driving mechanism is fixedly connected with the left side of a preprocessing drill bit (104), the preprocessing drill bit (104) is movably installed inside a drilling hole inner processing mechanism, the left side of the drilling hole inner processing mechanism is fixedly connected with the upper side of a moving mechanism, the moving mechanism is meshed with the power driving mechanism, and the upper end of the left side of the drilling hole inner processing mechanism is fixedly connected with the inner wall of the power driving bin (102).
4. The pretreatment drilling tool designed by the combined type flexible support integrated supporting system for building deep foundation pit engineering according to claim 3, is characterized in that: the power drive mechanism includes: servo motor (201), drive gear (202), rotating gear (203), left side switching gear (204), right side switching gear (205), integral key shaft (206) and linkage gear (207), servo motor (201) main shaft front end and drive gear (202) axle center fixed connection, drive gear (202) downside and rotating gear (203) upside meshing are connected, rotating gear (203) axle center and integral key shaft (206) left side fixed connection, integral key shaft (206) middle part left and right sides has movably cup jointed left side switching gear (204) and right side switching gear (205) respectively, integral key shaft (206) middle part and preliminary treatment switching mechanism swing joint, integral key shaft (206) right-hand member and power drive storehouse (102) inner wall swing joint, left side switching gear (204) front side is connected with the moving mechanism meshing, right side switching gear (205) upside and linkage gear (207) downside meshing are connected, and the linkage gear (207) is fixedly connected with the left axis of the pretreatment drill bit (104).
5. The combined type flexible supporting integrated supporting system for building deep foundation pit engineering according to claim 3, wherein: the pretreatment switching mechanism comprises: switching motor (301), switching rod (302), gangbar (303) and shift fork (304) of shifting, the inside servo motor (201) below fixed mounting that is located of power drive storehouse (102) has switching motor (301), switching motor (301) main shaft and switching rod (302) lower extreme fixed connection, switching rod (302) upper end and gangbar (303) one end swing joint, gangbar (303) one end and shift fork (304) one end swing joint shift fork, shift fork (304) one end axle center and integral key shaft (206) middle part swing joint.
6. The combined type flexible supporting integrated supporting system for building deep foundation pit engineering according to claim 3, wherein: the moving mechanism includes: the front side of the left switching gear (204) is meshed with the transmission gear (401), the axis of the transmission gear (401) is fixedly connected with the middle of the rotating lead screw (402), the left end and the right end of the rotating lead screw (402) are movably connected with the inner wall of the power driving bin (102), the moving block (403) is sleeved on the left side of the rotating lead screw (402) in a threaded manner, and the upper side of the moving block (403) is fixedly connected with the left side of the in-hole processing mechanism.
7. The combined type flexible supporting integrated supporting system for building deep foundation pit engineering according to claim 3, wherein: the in-borehole treatment mechanism includes: a rotary square rod (501), a connecting hose (502), a feeding pipeline (503), a connecting block (504), a rotary rod (505) and a transmission rod (506), the upper end of the moving block (403) is fixedly connected with the left side of the rotating square rod (501), the left end of the rotating square rod (501) is fixedly connected with the right end of the connecting hose (502), the left end of the connecting hose (502) is fixedly connected with the lower end of the feeding pipeline (503), the upper end of the feeding pipeline (503) is fixedly connected with the inner wall of the power driving bin (102), the right side of the rotating square rod (501) extends to the inside of the right side of the pretreatment drill bit (104) and is fixedly connected with the center of the left side of the connecting block (504), the right side of the connecting block (504) is movably connected with the left end of the rotating rod (505) through a rotating shaft, the right side of the rotating rod (505) is movably connected with the left end of the transmission rod (506) through a rotating shaft, the right end of the transmission rod (506) is movably connected with the interior of the pretreatment drill bit (104) through a rotating shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011491166.XA CN112663621B (en) | 2020-12-17 | 2020-12-17 | Combined type flexible supporting integrated supporting system for building deep foundation pit engineering |
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| CN202011491166.XA CN112663621B (en) | 2020-12-17 | 2020-12-17 | Combined type flexible supporting integrated supporting system for building deep foundation pit engineering |
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| CN112663621B CN112663621B (en) | 2022-07-12 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016216975A (en) * | 2015-05-19 | 2016-12-22 | 鹿島建設株式会社 | Installation method of earth anchor |
| CN110883358A (en) * | 2019-12-05 | 2020-03-17 | 陈春 | Automatic drilling device for shaft end of shifting fork |
| CN111501779A (en) * | 2020-05-06 | 2020-08-07 | 南昌工程学院 | Combined flexible support integrated construction method for building deep foundation pit engineering |
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2020
- 2020-12-17 CN CN202011491166.XA patent/CN112663621B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016216975A (en) * | 2015-05-19 | 2016-12-22 | 鹿島建設株式会社 | Installation method of earth anchor |
| CN110883358A (en) * | 2019-12-05 | 2020-03-17 | 陈春 | Automatic drilling device for shaft end of shifting fork |
| CN111501779A (en) * | 2020-05-06 | 2020-08-07 | 南昌工程学院 | Combined flexible support integrated construction method for building deep foundation pit engineering |
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| CN112663621B (en) | 2022-07-12 |
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