CN117386281B - Highway bridge pile foundation digs device soon - Google Patents
Highway bridge pile foundation digs device soon Download PDFInfo
- Publication number
- CN117386281B CN117386281B CN202311703836.3A CN202311703836A CN117386281B CN 117386281 B CN117386281 B CN 117386281B CN 202311703836 A CN202311703836 A CN 202311703836A CN 117386281 B CN117386281 B CN 117386281B
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- plate
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000001276 controlling effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 claims description 4
- 238000005553 drilling Methods 0.000 abstract description 8
- 239000002689 soil Substances 0.000 description 18
- 230000007423 decrease Effects 0.000 description 7
- 239000002893 slag Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B11/00—Other drilling tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/081—Screw-and-nut feed mechanisms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B27/00—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a highway bridge pile foundation rotary digging device, which relates to the technical field of rotary digging drilling and comprises a mounting frame and a rotary digging component, wherein a screw rod is rotationally connected to the bottom of the mounting frame, a screw rod sleeve is in threaded connection with the screw rod, a driving component is fixedly connected to one side of the top of the mounting frame and used for controlling the screw rod to rotate, a connecting plate is fixedly connected to the peripheral wall of the screw rod sleeve, a loop bar is rotationally connected to the connecting plate, and the bottom of the loop bar is connected with the rotary digging component.
Description
Technical Field
The invention relates to the technical field of rotary drilling, in particular to a rotary drilling device for highway bridge pile foundations.
Background
The rotary digging device is a construction machine suitable for pore-forming operation in building foundation engineering, and is widely used for pore-forming operation of foundation construction engineering of municipal construction, highway bridges, high-rise buildings and the like.
Through retrieval, the Chinese patent with the bulletin number of CN113356780B discloses a drilling bottom structure, a rotary drilling bucket and a rotary drilling rig, wherein the drilling bottom structure comprises a bottom plate, a spiral structure and a cutting structure, and a notch is arranged on the bottom plate; the spiral structure comprises a spiral blade, one end of the spiral blade is connected to the bottom plate, and the other end of the spiral blade extends to the lower side of the bottom plate; the cutting structure is connected to the other end of the spiral blade and is matched with the notch to form a slag inlet. According to the drilling structure provided by the invention, the cutting structure is connected below the bottom plate through the spiral blade, the cutting structure moves downwards, the slag inlet is increased, the slag inlet amount in unit time is increased, and the slag inlet efficiency is improved.
However, the above patent has the following problems: the hardness of different degree of depth soil layers is different, and cutting mechanism can't change circumference cutting force in real time to lead to digging hole efficiency reduction, can appear cutting mechanism and collapse the condition even, and traditional dig the subassembly soon when work, need stop dig soon in the middle of, shift out the soil in the hole, then continue dig soon work again, inefficiency.
Disclosure of Invention
The invention aims to provide a highway bridge pile foundation rotary digging device for solving the problems in the background technology.
The technical scheme of the invention is as follows: the highway bridge pile foundation rotary digging device comprises a mounting frame and a rotary digging assembly, wherein the bottom of the mounting frame is rotationally connected with a screw rod, a screw rod sleeve is connected to the screw rod in a threaded manner, a driving assembly is fixedly connected to one side of the top of the mounting frame and used for controlling the screw rod to rotate, a connecting plate is fixedly connected to the peripheral wall of the screw rod sleeve, a sleeve rod is rotationally connected to the connecting plate, and the bottom of the sleeve rod is connected with the rotary digging assembly;
the rotary digging assembly comprises an outer annular plate, a plurality of rotary rods are rotatably connected to the inner peripheral wall of the outer annular plate, the rotary rods are inserted into a loop bar inner cavity, the rotary rods are rotatably connected with the outer wall of the loop bar, each rotary rod is fixedly connected with a fan-shaped shovel plate, the bottom of the loop bar is fixedly connected with a drill bit, a transmission assembly is arranged in the loop bar inner cavity, a mounting plate is fixedly connected to the top of the connecting plate, a rotary motor is fixedly connected to the mounting plate, a hydraulic telescopic rod is fixedly connected to the output shaft of the rotary motor, and a connecting rod is fixedly connected to the end part of the hydraulic telescopic rod and is connected with the transmission assembly.
Preferably, the bottom of the outer ring plate is fixedly connected with a plurality of teeth.
Preferably, the transmission assembly comprises a plurality of transmission gears and a bevel gear, the bevel gear is rotationally arranged in the inner cavity of the loop bar, the transmission gears are fixedly connected with rotating rods at corresponding positions, the bevel gear is in meshed connection with the plurality of transmission gears, the transmission assembly further comprises a fixing bar, a drill bit is communicated with the inner cavity of the loop bar, the bottom of the fixing bar is fixedly connected with the inner cavity of the drill bit, the fixing bar is in sliding clamping connection with the connecting bar, and a guiding mechanism is arranged on the outer peripheral wall of the connecting bar and used for controlling the bevel gear to rotate.
Preferably, the guide mechanism comprises a guide rod, the guide rod is fixed on the outer peripheral wall of the connecting rod, a guide groove is formed in the inner annular wall of the bevel gear, and the guide rod slides and abuts against the guide groove.
Preferably, a plurality of first limiting strips are fixedly connected to the outer peripheral wall of the fixing rod, a cavity is formed in the bottom of the connecting rod, a plurality of first limiting grooves are formed in the cavity, and the first limiting strips are slidably arranged in the first limiting grooves.
Preferably, the mounting bracket lateral wall fixedly connected with diaphragm, drive assembly includes driving motor, gearbox, be provided with the speed governing pole in the gearbox, the driving motor output shaft with the access end fixed connection of gearbox, the output and the lead screw top fixed connection of gearbox, the gearbox outside is provided with the speed governing pole, the speed governing pole is used for controlling the rotational speed of gearbox output.
Preferably, the connecting plate is fixedly connected with a first hydraulic sleeve, a first hydraulic rod is connected in the first hydraulic sleeve in a sealing manner, a clamping plate is fixedly connected to the top of the first hydraulic rod, the other end of the clamping plate is connected with the connecting rod in a rotating manner, and the clamping plate cannot linearly move along the connecting rod.
Preferably, a second hydraulic sleeve is fixedly connected to the transverse plate, a second hydraulic rod is connected to the second hydraulic sleeve in a sealing mode, the second hydraulic rod is fixedly connected with the speed regulating rod, and a hydraulic pipeline is connected between the second hydraulic sleeve and the first hydraulic sleeve.
Preferably, the mounting seat is fixedly connected with the bottom of the mounting frame.
The invention has the beneficial effects that:
the method comprises the following steps: the installation frame is installed on the mobile equipment, the mobile equipment is preferably a movable vehicle carrier, the installation frame is moved to a designated rotary digging position through the vehicle carrier, then the driving assembly controls the screw rod to rotate, the screw rod sleeve moves downwards, the screw rod sleeve drives the rotary digging assembly to integrally move downwards through the connecting plate, a downward moving power source is provided for the rotary digging assembly, meanwhile, the rotating motor drives the connecting rod to rotate through the hydraulic telescopic rod, and the connecting rod drives the drill bit and the loop bar to rotate through the transmission assembly, so that a plurality of shovel plates and digging teeth are driven to rotate, and rotary digging is realized.
And two,: according to the invention, the hardness of soil can be changed along with the change of the rotary digging depth, the connecting rod is controlled to move upwards through the hydraulic telescopic rod, so that the connecting rod can control the bevel gear to rotate through the guide mechanism, the bevel gear drives the plurality of transmission gears to rotate, the angle of the shovel plate is changed, the circumferential force of the shovel plate can be controlled in real time along with the change of the hardness of the soil through the up-and-down movement of the connecting rod, the rotary digging work is effectively and stably performed, the circumferential force of a soft soil layer is maximum, the inclination angle of the shovel plate is maximum, and the rotary digging efficiency is maximum.
And thirdly,: according to the invention, after the excavation work is completed, the shovel plates are all turned to the horizontal position, so that a plurality of shovel plates, the drill bit and the outer ring plate form a sealing base, and then the rotary excavating assembly is controlled to move upwards integrally, so that soil produced by rotary excavating can be brought out completely, the rotary excavating efficiency is improved compared with a rotary excavating mode in a traditional mode, and the soil transferring work is not needed to be carried out halfway.
Fourth, it is: according to the invention, the horizontal angle of the shovel plate is synchronously adjusted with the speed of the shovel plate when the shovel plate moves downwards to excavate, so that the stability of the shovel plate when the shovel plate is excavated is improved, for example, when the horizontal angle of the shovel plate is reduced, if the downward speed of the shovel plate is unchanged at the moment, the downward speed of the shovel plate cannot be followed by the rotational digging speed, and the shovel plate can receive the resistance of soil at the moment, so that the situation of shovel plate collapse is easy to occur.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic side view of the whole body of the present invention;
FIG. 3 is a schematic cross-sectional view of a loop bar of the present invention;
FIG. 4 is a horizontal schematic view of the present invention with a plurality of blades sealed to each other;
FIG. 5 is a schematic plan view of a turning rod according to the present invention;
FIG. 6 is a schematic view of the inner ring of the bevel gear according to the present invention;
fig. 7 is an enlarged view at a in fig. 1;
FIG. 8 is a schematic cross-sectional view of a connecting rod according to the present invention;
fig. 9 is an enlarged view at B in fig. 1;
FIG. 10 is a schematic perspective view of the present invention with a plurality of blades not tilted.
In the figure: 1. a mounting frame; 2. a screw rod; 201. a screw rod sleeve; 202. a connecting plate; 203. a loop bar; 3. an outer ring plate; 301. a rotating rod; 302. a shovel plate; 303. a drill bit; 304. a mounting plate; 305. a rotating electric machine; 306. a hydraulic telescopic rod; 307. a first limit groove; 308. a connecting rod; 309. digging teeth; 310. a transmission gear; 311. a bevel gear; 312. a fixed rod; 313. a guide rod; 314. a guide groove; 315. a first limit bar; 4. a cross plate; 401. a driving motor; 402. a gearbox; 403. a speed regulating rod; 5. a first hydraulic jacket; 501. a first hydraulic lever; 502. a clamping plate; 503. a second hydraulic jacket; 504. a second hydraulic lever; 6. and (5) a mounting seat.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown.
As shown in fig. 1-10, the embodiment of the invention provides a highway bridge pile foundation rotary digging device, which comprises a mounting frame 1 and a rotary digging component, wherein a screw rod 2 is rotationally connected to the bottom of the mounting frame 1, a screw rod sleeve 201 is in threaded connection with the screw rod 2, a driving component is fixedly connected to one side of the top of the mounting frame 1 and is used for controlling the screw rod 2 to rotate, a connecting plate 202 is fixedly connected to the peripheral wall of the screw rod sleeve 201, a sleeve rod 203 is rotationally connected to the connecting plate 202, and the rotary digging component is connected to the bottom of the sleeve rod 203.
The rotary digging assembly comprises an outer annular plate 3, a plurality of rotating rods 301 are rotatably connected to the inner peripheral wall of the outer annular plate 3, the rotating rods 301 are inserted into the inner cavity of a sleeve rod 203, the rotating rods 301 are rotatably connected with the outer wall of the sleeve rod 203, each rotating rod 301 is fixedly connected with a fan-shaped shovel plate 302, the bottom of the sleeve rod 203 is fixedly connected with a drill bit 303, a transmission assembly is arranged in the inner cavity of the sleeve rod 203, the top of a connecting plate 202 is fixedly connected with a mounting plate 304, a rotating motor 305 is fixedly connected to the mounting plate 304, an output shaft of the rotating motor 305 is fixedly connected with a hydraulic telescopic rod 306, the end part of the hydraulic telescopic rod 306 is fixedly connected with a connecting rod 308, and the connecting rod 308 is connected with the transmission assembly.
A plurality of teeth 309 are fixedly connected to the bottom of the outer ring plate 3.
Specific: the mounting bracket 1 is installed on mobile device, mobile device is preferably mobilizable vehicle carrier, remove mounting bracket 1 through vehicle carrier to appointed dig the position soon, then drive assembly control lead screw 2 rotates, lead screw cover 201 moves down, the whole power supply that digs the subassembly soon that moves down is driven through connecting plate 202 to the lead screw cover 201, for dig the subassembly soon and provide the power supply that moves down, rotating electrical machines 305 drive connecting rod 308 rotation simultaneously through hydraulic telescoping rod 306, connecting rod 308 passes through drive assembly and drives drill bit 303 and loop bar 203 rotation, thereby drive a plurality of shovel boards 302 and dig the tooth 309 rotation, realize dig soon and work.
The transmission assembly comprises a plurality of transmission gears 310 and a bevel gear 311, wherein the bevel gear 311 is rotatably arranged in the inner cavity of the sleeve rod 203, the transmission gears 310 are fixedly connected with the rotating rods 301 at corresponding positions, the bevel gear 311 is in meshed connection with the plurality of transmission gears 310, the transmission assembly further comprises a fixing rod 312, the drill bit 303 is communicated with the inner cavity of the sleeve rod 203, the bottom of the fixing rod 312 is fixedly connected with the inner cavity of the drill bit 303, the fixing rod 312 is in sliding clamping connection with the connecting rod 308, a guiding mechanism is arranged on the peripheral wall of the connecting rod 308, and the guiding mechanism is used for controlling the rotation of the bevel gear 311.
Specific: with the change of the rotary digging depth, the hardness of the soil can change, and the connecting rod 308 is controlled to move upwards through the hydraulic telescopic rod 306, so that the connecting rod 308 can control the bevel gears 311 to rotate through the guide mechanism, and the bevel gears 311 drive the plurality of transmission gears 310 to rotate, so that the angle of the shovel 302 is changed, and the circumferential force of the shovel 302 is changed.
It will be appreciated that: along with the change of soil hardness, through the vertical movement of connecting rod 308, the circumference force of shovel board 302 can be real-time control to make dig soon work effectively and stable going on, soft soil layer circumference force is biggest, shovel board 302 inclination is biggest, digs efficiency soon is biggest.
And after the excavation work is completed, the shovel plate 302 is completely turned to the horizontal position, so that a sealing base is formed by a plurality of shovel plates 302, the drill bit 303 and the outer ring plate 3, and then the rotary excavating assembly is controlled to move upwards integrally, so that soil generated by rotary excavating can be completely carried out.
The guiding mechanism comprises a guiding rod 313, the guiding rod 313 is fixed on the outer peripheral wall of the connecting rod 308, a guiding groove 314 is formed in the inner annular wall of the bevel gear 311, the guiding groove 314 is spiral, the guiding rod 313 slides against the guiding groove 314, when the connecting rod 308 moves upwards, the guiding rod 313 is driven to synchronously move upwards, the guiding rod 313 contacts against the guiding groove 314, so that the bevel gear 311 is driven to rotate, the guiding rod 313 moves downwards, and the bevel gear 311 is reset to rotate.
Fixedly connected with a plurality of first spacing bars 315 on dead lever 312 peripheral wall, the cavity has been seted up to connecting rod 308 bottom, has seted up a plurality of first spacing grooves 307 in the cavity, and first spacing bars 315 slide and set up in first spacing grooves 307, and when connecting rod 308 rotated, through the joint effect of first spacing bars 315 and first spacing grooves 307, can drive dead lever 312 synchronous rotation, and connecting rod 308 can slide from top to bottom relative to dead lever 312.
Among them, it is noted that: when the angle of the shovel 302 is not required to be changed, normal rotary digging is performed at this time, the connecting rod 308 can drive the drill bit 303 and the sleeve 203 to move synchronously through the rotation limit with the fixing rod 312, so that the sleeve 203 can drive the bevel gear 311 and the plurality of transmission gears 310 to rotate synchronously, namely, the connecting rod 308 is relatively static relative to the bevel gear 311, so that the bevel gear 311 and the transmission gears 310 cannot rotate in a rotation transmission manner, and only when the connecting rod 308 moves up and down, the bevel gear 311 can rotate, and the bevel gear 311 is rotationally arranged on the inner periphery of the sleeve 203, meanwhile, the bevel gear 311 cannot move up and down along the inner periphery of the sleeve 203, and the bevel gear 311 is limited to move up and down through the rotation connection with the inner periphery of the sleeve 203.
The mounting bracket 1 lateral wall fixedly connected with diaphragm 4, drive assembly include driving motor 401, gearbox 402, are provided with the speed governing pole 403 in the gearbox 402, driving motor 401 output shaft and the access end fixed connection of gearbox 402, the output and the lead screw 2 top fixed connection of gearbox 402, the gearbox 402 outside is provided with the speed governing pole 403, and the speed governing pole 403 is used for controlling the rotational speed of gearbox 402 output.
The connecting plate 202 is fixedly connected with a first hydraulic sleeve 5, a first hydraulic rod 501 is connected in the first hydraulic sleeve 5 in a sealing manner, a clamping plate 502 is fixedly connected to the top of the first hydraulic rod 501, the other end of the clamping plate 502 is rotationally connected with the connecting rod 308, and the clamping plate 502 cannot linearly move along the axis direction of the connecting rod 308.
The transverse plate 4 is fixedly connected with a second hydraulic sleeve 503, a second hydraulic rod 504 is connected in the second hydraulic sleeve 503 in a sealing manner, the second hydraulic rod 504 is fixedly connected with a speed regulating rod 403, a hydraulic pipeline is connected between the second hydraulic sleeve 503 and the first hydraulic sleeve 5, and in fig. 1, the opposite side surfaces of the first hydraulic sleeve 5 and the second hydraulic sleeve 503 are respectively provided with a connecting port of the hydraulic pipeline, and the hydraulic pipelines are connected through the two connecting ports.
Specific: the driving motor 401 drives the screw rod 2 to rotate through a gearbox 402, the gearbox 402 is a conventional gear gearbox in the prior art, and the output rotating speed of the gearbox 402 can be adjusted through a speed regulating rod 403.
When the connecting rod 308 moves down, the horizontal angle of the shovel 302 decreases, the circumferential force increases, the rotary digging efficiency of the shovel 302 decreases, that is, the soil digging amount decreases, at this time, the downward movement of the connecting rod 308 synchronously drives the first hydraulic rod 501 to move down, so as to change the trend of hydraulic oil in the hydraulic pipeline, the hydraulic oil is pressed into the second hydraulic sleeve 503, so that the second hydraulic rod 504 controls the speed regulating rod 403 to move up synchronously, the output rotation speed of the gearbox 402 decreases, the rotation speed of the screw rod 2 decreases, and the speed of the screw sleeve 201 and the rotary digging assembly move down decreases.
It will be appreciated that the horizontal angle of blade 302 is adjusted in synchronization with the speed of blade 302 moving downward for digging, thereby improving the stability of blade 302 during digging, for example, when the horizontal angle of blade 302 decreases, if the downward speed of blade 302 is not changed, then the rotational digging speed will not follow the downward speed of blade 302, and blade 302 will be subjected to the resistance of the soil, and chipping of blade 302 will occur easily.
The mounting bracket 1 bottom fixedly connected with mount pad 6, mount pad 6 installs on the vehicle carrier.
Working principle: the mounting bracket 1 is installed on mobile device, mobile device is preferably mobilizable vehicle carrier, remove mounting bracket 1 through vehicle carrier to appointed dig the position soon, then drive assembly control lead screw 2 rotates, lead screw cover 201 moves down, the whole power supply that digs the subassembly soon that moves down is driven through connecting plate 202 to the lead screw cover 201, for dig the subassembly soon and provide the power supply that moves down, rotating electrical machines 305 drive connecting rod 308 rotation simultaneously through hydraulic telescoping rod 306, connecting rod 308 passes through drive assembly and drives drill bit 303 and loop bar 203 rotation, thereby drive a plurality of shovel boards 302 and dig the tooth 309 rotation, realize dig soon and work.
Along with the change of soil hardness, through the reciprocates of connecting rod 308, can real-time control shovel 302's circumference power, thereby make dig soon work effectively and steadily go on, soft soil layer circumference power is biggest, shovel 302 inclination is biggest, dig soon efficiency is biggest, after the work of digging is accomplished, with shovel 302 all upset to horizontal position, make a sealing base with shovel 302, drill bit 303 and outer annular plate 3 constitution, then control dig the whole upward movement of subassembly soon, thereby can take out the soil that digs soon and produce soon, dig soon the efficiency soon for traditional mode, it is effective to have improved to dig soon, need not to carry out the transfer work of soil midway.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. Highway bridge pile foundation digs device soon, digs the subassembly, its characterized in that including mounting bracket (1) and soon: the screw rod (2) is rotationally connected to the bottom of the mounting frame (1), a screw rod sleeve (201) is connected to the screw rod (2) in a threaded manner, a driving assembly is fixedly connected to one side of the top of the mounting frame (1) and used for controlling the screw rod (2) to rotate, a connecting plate (202) is fixedly connected to the peripheral wall of the screw rod sleeve (201), a sleeve rod (203) is rotationally connected to the connecting plate (202), and a rotary digging assembly is connected to the bottom of the sleeve rod (203);
the rotary digging assembly comprises an outer annular plate (3), a plurality of rotating rods (301) are rotatably connected to the inner peripheral wall of the outer annular plate (3), the rotating rods (301) are inserted into an inner cavity of a loop bar (203), the rotating rods (301) are rotatably connected with the outer wall of the loop bar (203), each rotating rod (301) is fixedly connected with a fan-shaped shovel plate (302), a drill bit (303) is fixedly connected to the bottom of the loop bar (203), a transmission assembly is arranged in the inner cavity of the loop bar (203), a mounting plate (304) is fixedly connected to the top of the connecting plate (202), a rotating motor (305) is fixedly connected to an output shaft of the rotating motor (305), a connecting rod (308) is fixedly connected to the end portion of the hydraulic telescopic rod (306), and the connecting rod (308) is connected with the transmission assembly.
2. The highway bridge pile foundation rotary excavating device according to claim 1, wherein: the bottom of the outer ring plate (3) is fixedly connected with a plurality of teeth (309).
3. The highway bridge pile foundation rotary excavating device according to claim 1, wherein: the transmission assembly comprises a plurality of transmission gears (310) and a bevel gear (311), wherein the bevel gear (311) is rotationally arranged in the inner cavity of the loop bar (203), the transmission gears (310) are fixedly connected with the rotating rods (301) at corresponding positions, the bevel gear (311) is meshed with the plurality of transmission gears (310), the transmission assembly further comprises a fixing rod (312), the drill bit (303) is communicated with the inner cavity of the loop bar (203), the bottom of the fixing rod (312) is fixedly connected with the inner cavity of the drill bit (303), the fixing rod (312) is in sliding clamping connection with the connecting rod (308), and a guiding mechanism is arranged on the peripheral wall of the connecting rod (308) and used for controlling the rotation of the bevel gear (311).
4. A highway bridge pile foundation rotary excavation apparatus according to claim 3, wherein: the guiding mechanism comprises a guiding rod (313), the guiding rod (313) is fixed on the outer peripheral wall of the connecting rod (308), a guiding groove (314) is formed in the inner annular wall of the bevel gear (311), and the guiding rod (313) slides against the guiding groove (314).
5. A highway bridge pile foundation rotary excavation apparatus according to claim 3, wherein: the fixed rod (312) is fixedly connected with a plurality of first limit bars (315) on the peripheral wall, a cavity is formed in the bottom of the connecting rod (308), a plurality of first limit grooves (307) are formed in the cavity, and the first limit bars (315) are slidably arranged in the first limit grooves (307).
6. The highway bridge pile foundation rotary excavating device according to claim 1, wherein: the utility model discloses a speed regulation device for the automobile, including mounting bracket (1), lateral wall fixedly connected with diaphragm (4), drive assembly includes driving motor (401), gearbox (402), be provided with speed governing pole (403) in gearbox (402), driving motor (401) output shaft with the access end fixed connection of gearbox (402), the output and lead screw (2) top fixed connection of gearbox (402), gearbox (402) outside is provided with speed governing pole (403), speed governing pole (403) are used for controlling the rotational speed of gearbox (402) output.
7. The highway bridge pile foundation rotary excavating device according to claim 6, wherein: the connecting plate (202) is fixedly connected with a first hydraulic sleeve (5), a first hydraulic rod (501) is connected in the first hydraulic sleeve (5) in a sealing mode, a clamping plate (502) is fixedly connected to the top of the first hydraulic rod (501), the other end of the clamping plate (502) is connected with the connecting rod (308) in a rotating mode, and the clamping plate (502) cannot move linearly along the connecting rod (308).
8. The highway bridge pile foundation rotary excavating device according to claim 7, wherein: the transverse plate (4) is fixedly connected with a second hydraulic sleeve (503), a second hydraulic rod (504) is connected in the second hydraulic sleeve (503) in a sealing mode, the second hydraulic rod (504) is fixedly connected with the speed regulating rod (403), and a hydraulic pipeline is connected between the second hydraulic sleeve (503) and the first hydraulic sleeve (5).
9. The highway bridge pile foundation rotary excavating device according to claim 1, wherein: the bottom of the mounting frame (1) is fixedly connected with a mounting seat (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311703836.3A CN117386281B (en) | 2023-12-13 | 2023-12-13 | Highway bridge pile foundation digs device soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311703836.3A CN117386281B (en) | 2023-12-13 | 2023-12-13 | Highway bridge pile foundation digs device soon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117386281A CN117386281A (en) | 2024-01-12 |
| CN117386281B true CN117386281B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311703836.3A Active CN117386281B (en) | 2023-12-13 | 2023-12-13 | Highway bridge pile foundation digs device soon |
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| CN (1) | CN117386281B (en) |
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| CN218816257U (en) * | 2022-12-13 | 2023-04-07 | 中铁五局集团贵州工程有限公司 | Pile foundation rotary digging construction hole cleaning drill bit |
| CN116427854A (en) * | 2023-06-13 | 2023-07-14 | 陕西中创卓安建设工程有限公司 | Highway bridge pile foundation digs device soon |
| CN220133935U (en) * | 2023-06-14 | 2023-12-05 | 安徽和广建设有限公司 | Pile foundation pore-forming obstacle removing device |
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2023
- 2023-12-13 CN CN202311703836.3A patent/CN117386281B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112696157A (en) * | 2020-12-23 | 2021-04-23 | 洪雯娜 | Rotary drilling rig for bridge construction |
| CN216277683U (en) * | 2021-12-06 | 2022-04-12 | 河北卓晨岩土工程有限公司 | Rotary drilling rig for drilling of pile group construction |
| CN217462014U (en) * | 2022-03-29 | 2022-09-20 | 江汉大学 | Rotary drilling rig |
| CN115263195A (en) * | 2022-09-28 | 2022-11-01 | 陕西晖煌建筑劳务有限公司 | Bridge pile foundation drilling equipment |
| CN115573670A (en) * | 2022-09-29 | 2023-01-06 | 徐州融河机械制造有限公司 | Drill rod fixing device of rotary drilling rig |
| CN218816257U (en) * | 2022-12-13 | 2023-04-07 | 中铁五局集团贵州工程有限公司 | Pile foundation rotary digging construction hole cleaning drill bit |
| CN116427854A (en) * | 2023-06-13 | 2023-07-14 | 陕西中创卓安建设工程有限公司 | Highway bridge pile foundation digs device soon |
| CN220133935U (en) * | 2023-06-14 | 2023-12-05 | 安徽和广建设有限公司 | Pile foundation pore-forming obstacle removing device |
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| CN117386281A (en) | 2024-01-12 |
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