CN117166912A - Bridge pile foundation drilling equipment - Google Patents

Bridge pile foundation drilling equipment Download PDF

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Publication number
CN117166912A
CN117166912A CN202311454285.1A CN202311454285A CN117166912A CN 117166912 A CN117166912 A CN 117166912A CN 202311454285 A CN202311454285 A CN 202311454285A CN 117166912 A CN117166912 A CN 117166912A
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China
Prior art keywords
assembly
drilling
drill rod
pile foundation
cleaning
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Granted
Application number
CN202311454285.1A
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Chinese (zh)
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CN117166912B (en
Inventor
张亚明
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Hefei Gongda Engineering Testing Co ltd
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Hefei Gongda Engineering Testing Co ltd
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Priority to CN202311454285.1A priority Critical patent/CN117166912B/en
Publication of CN117166912A publication Critical patent/CN117166912A/en
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Publication of CN117166912B publication Critical patent/CN117166912B/en
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Abstract

The invention discloses a bridge pile foundation drilling device, and relates to the field of drilling devices. The drilling device comprises a base, a driving assembly arranged on the base and a drilling assembly arranged on the driving assembly; still be provided with the clearance subassembly on the base, the clearance subassembly encircles drilling subassembly setting, still is provided with drive assembly on the drive assembly, drive assembly passes through buckle subassembly with drilling subassembly and is connected, through setting up a positioning tube, cleaning brush and clearance spiral arch, the clearance spiral arch cooperatees with the sunken of the spiral of drilling rod, when the drilling rod is rotatory with upwards, the clearance spiral arch can clear up the earth of drilling rod spiral concave part, has reduced the degree of difficulty of clearance drilling rod, has kept the cleanness of drilling rod, has also improved the efficiency of next drilling.

Description

Bridge pile foundation drilling equipment
Technical Field
The invention relates to the field of drilling devices, in particular to a bridge pile foundation drilling device.
Background
The pile is a cylindrical rod piece buried in the soil and is used for transmitting the load of the upper structure to a soil layer or a rock stratum with harder deep part and small compressibility; the foundation pile and the bearing platform connected to the pile top are formed together; if the pile body is buried in the soil, the bottom surface of the bearing platform is contacted with the soil, the pile body is called a low bearing platform pile foundation; if the pile body upper portion is exposed to the ground and the pile cap bottom is located above the ground, the pile body is referred to as a high pile cap.
The drilling device is a construction machine suitable for pore-forming operation in building foundation engineering, and is mainly suitable for soil layer construction of sandy soil, cohesive soil, silty soil and the like.
The 'bridge pile foundation drilling device' disclosed in the publication No. CN115263195B comprises a rotary drilling rig, a rotating shaft and a drill bit part; the rotation shaft is arranged on the rotary drilling rig, the drill bit part is arranged on the rotation shaft and comprises a transmission sleeve, an upper drill bit sleeve, a lower drill bit sleeve, a hydraulic mechanism and an adjusting mechanism. Each upper fixing wall is mounted on one upper telescopic wall and is arranged in an annular array with respect to the circumferential direction of the rotating shaft.
When the existing rotary drilling rig drills, the following problems exist:
1. after the drilling work is finished, more soil or gravel is left at the spiral groove of the drill rod, and the spiral groove is smaller and difficult to clean, so that the follow-up work is difficult;
2. when drilling, when excavating the soil layer of different geology, if the soil layer is comparatively dry and harder, drilling efficiency is lower.
3. During drilling, due to the fact that the drill rod is lack of positioning, in the subsequent drilling process, the drill rod is easy to deviate, and the accuracy of drilling is reduced.
Disclosure of Invention
The invention aims to provide a bridge pile foundation drilling device which can reduce cleaning difficulty, improve drilling efficiency and drilling accuracy.
The invention relates to a bridge pile foundation drilling device which comprises a base, a driving assembly arranged on the base and a drilling assembly arranged on the driving assembly;
the base is also provided with a cleaning assembly, the cleaning assembly is arranged around the drilling assembly, the driving assembly is also provided with a transmission assembly, and the transmission assembly is connected with the drilling assembly through a buckle assembly;
the drilling assembly is driven by the driving assembly to be cleaned by the cleaning assembly, and all the assemblies are driven by one driving assembly to work.
The driving assembly comprises a driving motor, a screw rod, a moving block and a connecting column, wherein the driving motor is arranged on the base, the screw rod is connected to the output end of the driving motor, the moving block is movably arranged on the screw rod, one end of the connecting column is connected to the moving block, the other end of the connecting column is connected to the drilling assembly, and the driving motor can rotate in a positive and negative direction;
wherein, through setting up driving motor, lead screw, movable block and spliced pole, driving motor drive lead screw is rotatory to constitute ball screw system with the movable block, make the movable block remove, drive drilling subassembly reciprocates.
The cleaning assembly comprises a mounting frame, a positioning cylinder, a cleaning spiral protrusion and a cleaning brush, wherein the positioning cylinder is arranged on the base through the mounting frame, a positioning groove is formed in the positioning cylinder, the cleaning spiral protrusion and the cleaning brush are arranged on the inner wall of the positioning groove, and the cleaning brush is positioned above the cleaning spiral protrusion;
the positioning cylinder is matched with the drill rod, and the central shaft of the positioning cylinder coincides with the central shaft of the drill rod to position the pile foundation drilling hole;
the locating cylinder, the cleaning brush and the cleaning spiral bulge are arranged, the cleaning spiral bulge is matched with a spiral concave of the drill rod, and when the drill rod rotates and upwards, the cleaning spiral bulge can clean soil at the spiral concave of the drill rod;
a water storage cavity is arranged in the mounting frame, a water outlet is formed in the joint of the water storage cavity and the positioning groove, and the water storage cavity is positioned above the cleaning brush;
the drill stem and the drill bit are wetted before drilling, so that the drill stem and the drill bit are suitable for a drier drilling environment;
after the drilling is finished, the drill rod can be cleaned, when the spiral protrusion is cleaned to clean soil at the spiral depression of the drill rod, water in the water storage cavity flows out through the water outlet hole, and the water is combined with the soil or dust, so that the drill rod is easier to clean;
after the drill rod is cleaned, water still flows out from the water outlet, and the water flow continues to clean the drill rod cleaned by the cleaning spiral bulge;
the drilling assembly comprises a drill rod, and the drill rod corresponds to the positioning groove in position.
The transmission assembly comprises a rotating tooth, a driving gear, a transmission shaft, a driven gear, a fluted disc and a rotating shaft, wherein a through groove is formed in the base, the connecting column is positioned in the through groove, the rotating tooth is arranged in the through groove, the driving gear is meshed with the rotating tooth, one end of the transmission shaft is connected with the driving gear, the other end of the transmission shaft is connected with the driven gear, the driven gear is meshed with the fluted disc, one end of the rotating shaft is connected with the fluted disc, and the other end of the rotating shaft is connected with the drill rod;
wherein, through setting up commentaries on classics tooth, driving gear, transmission shaft, driven gear, fluted disc and rotation axis, at the in-process that driving motor drive movable block upwards moved, the commentaries on classics tooth in the logical groove drives the driving gear rotation, and the driving gear passes through the transmission shaft and drives driven gear rotation, and driven gear drives the fluted disc rotation, and the fluted disc drives the drilling rod rotation, and the in-process that the movable block drove the drilling rod and reciprocate also drives the drilling rod rotation simultaneously.
The rotating shaft is connected with the drill rod through a buckle assembly;
the clamping assembly comprises a transmission gear, a clamping seat and a limiting piece, wherein the transmission gear is movably arranged on the rotating shaft, the clamping seat is connected to the transmission gear, and the position of the limiting piece is adapted to the transmission gear;
the drill rod is provided with a clamping block which is matched with the clamping seat;
the clamping block is clamped with the clamping seat at the initial position by arranging the rotating shaft, the drill rod, the transmission gear, the clamping seat and the limiting piece, and the clamping block is always clamped with the clamping seat at the working time of the drill rod;
when the drill rod needs to be replaced, the driving motor drives the screw rod to rotate, and the ball screw system is formed by the driving motor and the moving block, so that the moving block moves, when the moving block is higher than the initial position, the transmission gear contacts the limiting piece, the transmission gear does not rotate any more, and the clamping block is separated from the clamping seat.
The drilling assembly comprises a movable seat, a mounting seat and a drill bit, wherein the movable seat is connected to one end of the connecting column, the mounting seat is mounted on the movable seat through a bolt, and the drill bit is connected to the drill rod.
The base bottom is provided with a plurality of supporting legs, and every supporting leg bottom is provided with a supporting legs.
The base is provided with a protection box, the inner wall of the protection box is provided with a sliding groove, a sliding block is movably arranged in the sliding groove, and the sliding block is connected with a driven gear.
A water inlet pipe is arranged on the positioning cylinder and is communicated with the water storage cavity;
wherein, let in the water storage cavity through the inlet tube with water, connect the water source when needs, open the switch, only need close the switch when not needing can.
The transmission shaft is movably arranged on the movable seat.
The invention has the following beneficial effects:
1. according to the invention, the driving motor, the screw rod, the moving block and the connecting column are arranged, the screw rod is driven by the driving motor to rotate, and the ball screw system is formed by the driving motor and the moving block, so that the moving block moves, the drilling assembly is driven to move up and down, the up and down driving force of drilling operation is provided, and the drilling efficiency and reliability are improved.
2. According to the invention, the mounting frame and the positioning cylinder are arranged, the positioning cylinder is matched with the drill rod, the central shaft of the positioning cylinder is coincident with the central shaft of the drill rod, so that the pile foundation drilling is positioned, the accuracy of the drilling is improved, the stability of the drill rod is also improved, and the drilling efficiency is improved.
3. According to the invention, the locating cylinder, the cleaning brush and the cleaning spiral bulge are arranged, the cleaning spiral bulge is matched with the spiral concave of the drill rod, and when the drill rod rotates and upwards, the cleaning spiral bulge can clean soil at the spiral concave of the drill rod, so that the difficulty in cleaning the drill rod is reduced, the cleaning of the drill rod is maintained, and the efficiency of the next drilling is improved.
4. According to the invention, the water storage cavity and the water outlet are arranged, water is stored in the water storage cavity, the water outlet is close to the bottom of the water storage cavity, before drilling, water in the water storage cavity flows out through the water outlet, and the drill rod and the drill bit are wetted before drilling, so that the drill rod and the drill bit are suitable for drier drilling environments, the difficulty of drilling is reduced, and the drilling efficiency is improved.
5. According to the invention, after the drilling is finished, the drill rod can be cleaned, when the spiral protrusion is cleaned to clean soil at the spiral depression of the drill rod, water in the water storage cavity flows out through the water outlet hole, and the water is combined with soil or dust, so that the drill rod is easier to clean, the cleaning difficulty is reduced, and the cleaning efficiency is improved.
6. According to the invention, after the drill rod is cleaned, water still flows out from the water outlet, and the water flow continuously cleans the drill rod cleaned by the cleaning spiral bulge, so that the cleaning grade is improved, the drill rod is cleaner, and the subsequent work and the cleaning after the drill rod is replaced are facilitated.
7. According to the invention, the rotary teeth, the driving gear, the transmission shaft, the driven gear, the fluted disc and the rotation shaft are arranged, the rotary teeth in the through groove drive the driving gear to rotate in the process that the driving motor drives the movable block to move upwards, the driving gear drives the driven gear to rotate through the transmission shaft, the driven gear drives the fluted disc to rotate, the fluted disc drives the drill rod to rotate, and the movable block drives the drill rod to rotate in the process of moving up and down and simultaneously drives the drill rod to rotate when the drill rod moves downwards and upwards, so that the synchronism of the device is improved, and the drilling efficiency is improved.
8. According to the invention, the rotating shaft, the drill rod, the transmission gear, the clamping seat and the limiting piece are arranged, the clamping block is clamped with the clamping seat in the initial position, and the clamping block is always clamped with the clamping seat in the working process of the drill rod, so that the drill rod is convenient to replace, more drilling works are adapted, and the drill rod replacement difficulty and replacement efficiency are reduced.
9. According to the invention, the drilling assembly and the transmission assembly are respectively driven by the driving assembly, the drilling assembly is matched with the cleaning assembly to clean under the driving of the driving assembly, and one driving assembly is used for driving all the assemblies to work, so that the cost is reduced, and the synchronism of each device is improved.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a three-dimensional structure of a bridge pile foundation drilling device according to the present invention;
FIG. 2 is a schematic diagram of a front view of a bridge pile foundation drilling device according to the present invention;
FIG. 3 is a schematic diagram of a three-dimensional structure of a bridge pile foundation drilling device with a protection box removed;
FIG. 4 is a schematic diagram of a front view of a bridge pile foundation drilling device of the present invention with a protective case removed;
FIG. 5 is a schematic side view of a bridge pile foundation drilling device of the present invention with the protective case removed;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 7 is a cross-sectional view taken at B-B of FIG. 4 in accordance with the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 3C in accordance with the present invention;
FIG. 9 is an enlarged view of a portion of the invention at D in FIG. 7;
fig. 10 is an enlarged view of a portion of fig. 7 at E in accordance with the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
110. a base; 120. a drive assembly; 1201. a driving motor; 1202. a screw rod; 1203. a moving block; 1204. a connecting column; 130. cleaning the assembly; 1301. a mounting frame; 1302. a positioning cylinder; 1303. cleaning the spiral bulge; 1304. cleaning brushes; 1305. a positioning groove; 1306. a water storage chamber; 1307. a water outlet hole; 1308. a water inlet pipe; 140. a drilling assembly; 1401. a drill rod; 1402. a movable seat; 1403. a mounting base; 1404. a drill bit; 150. a transmission assembly; 1501. rotating teeth; 1502. a drive gear; 1503. a transmission shaft; 1504. a driven gear; 1505. fluted disc; 1506. a rotation shaft; 160. a clasp assembly; 1601. a transmission gear; 1602. a clamping seat; 1603. a limiting piece; 1604. a clamping block; 210. support legs; 220. supporting feet; 230. a protection box; 240. a chute; 250. a sliding block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "middle," "outer," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
As shown in fig. 1-10, the bridge pile foundation drilling device of the present embodiment includes a base 110, a driving component 120 disposed on the base 110, and a drilling component 140 disposed on the driving component 120;
the base 110 is also provided with a cleaning assembly 130, the cleaning assembly 130 is arranged around the drilling assembly 140, the driving assembly 120 is also provided with a transmission assembly 150, and the transmission assembly 150 is connected with the drilling assembly 140 through a buckle assembly 160;
the drilling assembly 140 and the transmission assembly 150 are driven by the driving assembly 120, and the drilling assembly 140 is driven by the driving assembly 120 to clean by matching with the cleaning assembly 130, and all the assemblies are driven by one driving assembly 120 to work.
The driving assembly 120 comprises a driving motor 1201, a screw rod 1202, a moving block 1203 and a connecting column 1204, wherein the driving motor 1201 is arranged on the base 110, the screw rod 1202 is connected to the output end of the driving motor 1201, the moving block 1203 is movably arranged on the screw rod 1202, one end of the connecting column 1204 is connected to the moving block 1203, and the other end of the connecting column 1204 is connected to the drilling assembly 140;
wherein, through setting up driving motor 1201, lead screw 1202, movable block 1203 and connecting post 1204, driving motor 1201 drives the rotation of lead screw 1202 to constitute ball screw system with movable block 1203, make movable block 1203 remove, drive drilling subassembly 140 and reciprocate.
The cleaning assembly 130 comprises a mounting frame 1301, a positioning cylinder 1302, a cleaning spiral protrusion 1303 and a cleaning brush 1304, wherein the positioning cylinder 1302 is arranged on the base 110 through the mounting frame 1301, a positioning groove 1305 is arranged on the positioning cylinder 1302, the cleaning spiral protrusion 1303 and the cleaning brush 1304 are arranged on the inner wall of the positioning groove 1305, and the cleaning brush 1304 is positioned above the cleaning spiral protrusion 1303;
wherein, through setting up mounting bracket 1301 and positioning tube 1302, positioning tube 1302 cooperates with drilling rod 1401, positioning tube 1302 center pin coincides with drilling rod 1401 center pin, positions the pile foundation drilling;
by arranging the positioning cylinder 1302, the cleaning brush 1304 and the cleaning spiral protrusion 1303, the cleaning spiral protrusion 1303 is matched with the spiral concave of the drill rod 1401, and when the drill rod 1401 rotates and upwards, the cleaning spiral protrusion 1303 can clean soil at the spiral concave of the drill rod 1401;
a water storage chamber 1306 is arranged in the mounting frame 1301, a water outlet 1307 is arranged at the joint of the water storage chamber 1306 and the positioning groove 1305, and the water storage chamber 1306 is positioned above the cleaning brush 1304;
by arranging the water storage chamber 1306 and the water outlet 1307, water is stored in the water storage chamber 1306, the water outlet 1307 is close to the bottom of the water storage chamber 1306, before drilling, water in the water storage chamber 1306 flows out through the water outlet 1307, and before drilling, the drill rod 1401 and the drill bit 1404 are wetted, so that the drill rod is suitable for a drier drilling environment;
after the drilling is finished, the drill rod 1401 is cleaned, when the spiral protrusion 1303 is cleaned to clean soil at the spiral depression of the drill rod 1401, water in the water storage chamber 1306 flows out through the water outlet 1307, and the water is combined with the soil or dust, so that the drill rod 1401 is easier to clean;
after the drill rod 1401 is cleaned by the drill rod 1401, water still flows out from the water outlet 1307, and the water flow continues to clean the drill rod 1401 cleaned by the cleaning spiral protrusion 1303;
drilling assembly 140 includes a drill rod 1401, drill rod 1401 corresponding in position to detent 1305.
The transmission assembly 150 comprises a rotating tooth 1501, a driving gear 1502, a transmission shaft 1503, a driven gear 1504, a fluted disc 1505 and a rotating shaft 1506, wherein a through groove is formed in the base 110, the connecting column 1204 is positioned in the through groove, the rotating tooth 1501 is arranged in the through groove, the driving gear 1502 is meshed with the rotating tooth 1501, one end of the transmission shaft 1503 is connected with the driving gear 1502, the other end of the transmission shaft 1503 is connected with the driven gear 1504, the driven gear 1504 is meshed with the fluted disc 1505, one end of the rotating shaft 1506 is connected with the fluted disc 1505, and the other end of the rotating shaft 1506 is connected with a drill rod 1401;
wherein, through setting up commentaries on classics tooth 1501, driving gear 1502, transmission shaft 1503, driven gear 1504, fluted disc 1505 and rotation axis 1506, in the in-process that driving motor 1201 drive movable block 1203 upwards moved, the commentaries on classics tooth 1501 in the logical groove drove driving gear 1502 rotation, and driving gear 1502 passes through transmission shaft 1503 and drives driven gear 1504 rotation, and driven gear 1504 drives fluted disc 1505 rotation, and fluted disc 1505 drives drilling rod 1401 rotation, and in the in-process that movable block 1203 drives drilling rod 1401 to reciprocate also drives drilling rod 1401 rotation simultaneously.
The rotation shaft 1506 is connected to the drill rod 1401 via the buckle assembly 160;
the buckle assembly 160 comprises a transmission gear 1601, a clamping seat 1602 and a limiting piece 1603, wherein the transmission gear 1601 is movably arranged on the rotating shaft 1506, the clamping seat 1602 is connected to the transmission gear 1601, and the position of the limiting piece 1603 is adapted to the transmission gear 1601;
the drill rod 1401 is provided with a clamping block 1604, and the clamping block 1604 is matched with the clamping seat 1602;
wherein, through setting up rotation axis 1506 and drilling rod 1401, drive gear 1601, clamping seat 1602 and stop 1603, in the initial position, clamping block 1604 and clamping seat 1602 block, in drilling rod 1401 work, clamping block 1604 and clamping seat 1602 block all the time;
when the drill rod 1401 needs to be replaced, the driving motor 1201 drives the screw rod 1202 to rotate, and a ball screw system is formed by the driving motor 1201 and the moving block 1203, so that the moving block 1203 moves, and when the moving block is higher than the initial position, the transmission gear 1601 contacts the limiting piece 1603, the transmission gear 1601 does not rotate any more, and the clamping block 1604 is separated from the clamping seat 1602.
The drilling assembly 140 includes a traveling block 1402, a mounting block 1403, and a drill bit 1404. The traveling block 1402 is connected to one end of a connection post 1204. The mounting block 1403 is mounted on the traveling block 1402 by bolts, and the drill bit 1404 is connected to a drill rod 1401.
The base 110 is provided with a plurality of support legs 210 at the bottom thereof, and each support leg 210 is provided with a support leg 220 at the bottom thereof.
The base 110 is provided with a protection box 230, the inner wall of the protection box 230 is provided with a sliding groove 240, a sliding block 250 is movably arranged in the sliding groove 240, and the sliding block 250 is connected with a driven gear 1504.
The positioning barrel 1302 is provided with a water inlet pipe 1308, and the water inlet pipe 1308 is communicated with the water storage chamber 1306;
wherein water is introduced into the water storage chamber 1306 through the water inlet pipe 1308, a water source is connected when needed, and the switch is turned on, and the switch is turned off when not needed.
The drive shaft 1503 is movably disposed on the movable housing 1402.
The working principle of the invention is as follows:
drilling: carrying the device to a place needing drilling, aligning a positioning cylinder 1302 to the place needing drilling, positioning a pile foundation drilling by overlapping a central shaft of the positioning cylinder 1302 with a central shaft of a drill rod 1401, starting a driving motor 1201, driving a screw 1202 to rotate by the driving motor 1201, forming a ball screw system with a moving block 1203, enabling the moving block 1203 to move, driving a drilling assembly 140 to move downwards, driving a driving gear 1502 to rotate by a rotating tooth 1501 in a through groove while the moving block 1203 moves downwards, driving a driven gear 1504 to rotate by the driving gear 1502 through a transmission shaft 1503, driving a fluted disc 1505 by the driven gear 1504, driving the drill rod 1401 to rotate by the fluted disc 1505, driving the drill rod 1401 to rotate by the drill bit 1404 along with the drill rod 1401 in the process that the moving block 1203 drives the drill rod 1401 to move up and down, and drilling the lower part;
in this embodiment, when the drill bit 1404 encounters drier and harder geology, before drilling, water in the water storage chamber 1306 flows out through the water outlet 1307, and before drilling, the drill rod 1401 and the drill bit 1404 are wetted, so that the drill rod is suitable for drier drilling environment;
cleaning: after the drilling work is completed, the drill rod 1401 needs to be cleaned, at the moment, the driving motor 1201 drives the screw rod 1202 to rotate, so that the moving block 1203 moves, the drilling assembly 140 is driven to move upwards, the drill rod 1401 passes through the positioning cylinder 1302, the positioning cylinder 1302 cleans the spiral protrusion 1303 to be matched with the spiral recess of the drill rod 1401, when the drill rod 1401 rotates and moves upwards, the spiral protrusion 1303 can clean soil at the spiral recess of the drill rod 1401, and in the cleaning process, water in the water storage chamber 1306 flows out through the water outlet 1307, and the water is combined with soil or dust, so that the drill rod 1401 is easier to clean;
and (3) replacing a drill rod: when excavating soil layers with different geology, if stone with hardness larger than that of the soil layer exists in the soil layers with the same geology, the stone needs to be replaced, the clamping block 1604 and the clamping seat 1602 are clamped at the initial position, and the clamping block 1604 and the clamping seat 1602 are always clamped when the drill rod 1401 works; when the drill rod 1401 needs to be replaced, the driving motor 1201 drives the screw 1202 to rotate, and forms a ball screw system with the moving block 1203, so that the moving block 1203 moves, when the ball screw system is higher than the initial position, the transmission gear 1601 contacts with the limiting piece 1603, the transmission gear 1601 does not rotate any more, the clamping block 1604 is separated from the clamping seat 1602, at the moment, the drill rod 1401 is removed, a new drill rod 1401 is installed, the driving motor 1201 is started, the moving block 1203 is driven to move downwards, at the moment, the drill rod 1401 continues to rotate, the transmission gear 1601 does not rotate any more due to contact with the limiting piece 1603, the clamping block 1604 and the clamping seat 1602 are clamped, after the clamping, the transmission gear 1601 leaves the limiting piece 1603 and rotates synchronously with the drill rod 1401 due to enough distance of the downward movement of the transmission gear 1601, and the replacement of the drill rod 1401 is completed.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims (10)

1. The bridge pile foundation drilling device is characterized by comprising a base (110), a driving assembly (120) arranged on the base (110) and a drilling assembly (140) arranged on the driving assembly (120);
the base (110) is further provided with a cleaning assembly (130), the cleaning assembly (130) is arranged around the drilling assembly (140), the driving assembly (120) is further provided with a transmission assembly (150), and the transmission assembly (150) is connected with the drilling assembly (140) through a clamping assembly (160).
2. The bridge pile foundation drilling device of claim 1, wherein: the driving assembly (120) comprises a driving motor (1201), a screw rod (1202), a moving block (1203) and a connecting column (1204), wherein the driving motor (1201) is arranged on the base (110), the screw rod (1202) is connected to the output end of the driving motor (1201), the moving block (1203) is movably arranged on the screw rod (1202), one end of the connecting column (1204) is connected to the moving block (1203), and the other end of the connecting column (1204) is connected to the drilling assembly (140).
3. A bridge pile foundation drilling device according to claim 2, characterised in that: the cleaning assembly (130) comprises a mounting frame (1301), a positioning cylinder (1302), a cleaning spiral protrusion (1303) and a cleaning brush (1304), wherein the positioning cylinder (1302) is arranged on the base (110) through the mounting frame (1301), a positioning groove (1305) is formed in the positioning cylinder (1302), the cleaning spiral protrusion (1303) and the cleaning brush (1304) are arranged on the inner wall of the positioning groove (1305), and the cleaning brush (1304) is arranged above the cleaning spiral protrusion (1303);
a water storage chamber (1306) is arranged in the mounting frame (1301), a water outlet hole (1307) is formed in the joint of the water storage chamber (1306) and the positioning groove (1305), and the water storage chamber (1306) is positioned above the cleaning brush (1304);
the drilling assembly (140) comprises a drill rod (1401), and the drill rod (1401) corresponds to the positioning groove (1305) in position.
4. A bridge pile foundation drilling device according to claim 3, characterised in that: the transmission assembly (150) comprises a rotating tooth (1501), a driving gear (1502), a transmission shaft (1503), a driven gear (1504), a fluted disc (1505) and a rotating shaft (1506), wherein a through groove is formed in the base (110), a connecting column (1204) is located in the through groove, the rotating tooth (1501) is arranged in the through groove, the driving gear (1502) is meshed with the rotating tooth (1501), one end of the transmission shaft (1503) is connected with the driving gear (1502), the other end of the transmission shaft (1503) is connected with the driven gear (1504), the driven gear (1504) is meshed with the fluted disc (1505), one end of the rotating shaft (1505) is connected with the fluted disc (1505), and the other end of the rotating shaft (1506) is connected with a drill rod (1401).
5. The bridge pile foundation drilling device of claim 4, wherein: the rotating shaft (1506) is connected with the drill rod (1401) through a buckle assembly (160);
the buckle assembly (160) comprises a transmission gear (1601), a clamping seat (1602) and a limiting piece (1603), wherein the transmission gear (1601) is movably arranged on a rotating shaft (1506), the clamping seat (1602) is connected to the transmission gear (1601), and the position of the limiting piece (1603) is adapted to the transmission gear (1601);
the drill rod (1401) is provided with a clamping block (1604), and the clamping block (1604) is matched with the clamping seat (1602).
6. The bridge pile foundation drilling device of claim 5, wherein: the drilling assembly (140) comprises a movable seat (1402), a mounting seat (1403) and a drill bit (1404), wherein the movable seat (1402) is connected to one end of a connecting column (1204), the mounting seat (1403) is mounted on the movable seat (1402) through bolts, and the drill bit (1404) is connected to a drill rod (1401).
7. The bridge pile foundation drilling device of claim 6, wherein: the bottom of the base (110) is provided with a plurality of supporting legs (210), and each supporting leg (210) is provided with a supporting leg (220).
8. The bridge pile foundation drilling device of claim 7, wherein: the base (110) is provided with a protection box (230), the inner wall of the protection box (230) is provided with a sliding groove (240), the sliding groove (240) is movably provided with a sliding block (250), and the sliding block (250) is connected with a driven gear (1504).
9. The bridge pile foundation drilling device of claim 8, wherein: the positioning barrel (1302) is provided with a water inlet pipe (1308), and the water inlet pipe (1308) is communicated with the water storage cavity (1306).
10. The bridge pile foundation drilling device of claim 9, wherein: the transmission shaft (1503) is movably arranged on the movable seat (1402).
CN202311454285.1A 2023-11-03 2023-11-03 Bridge pile foundation drilling equipment Active CN117166912B (en)

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