CN219262295U - Low headroom bored concrete pile construction equipment suitable for under hard rock layer - Google Patents
Low headroom bored concrete pile construction equipment suitable for under hard rock layer Download PDFInfo
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- CN219262295U CN219262295U CN202320842854.9U CN202320842854U CN219262295U CN 219262295 U CN219262295 U CN 219262295U CN 202320842854 U CN202320842854 U CN 202320842854U CN 219262295 U CN219262295 U CN 219262295U
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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
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- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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Abstract
The utility model discloses a low-clearance cast-in-place pile construction device applicable to a hard rock layer, which belongs to the technical field of pile machines and comprises the following components: the drilling machine comprises a drilling machine and a drill bit arranged on the drilling machine, wherein the drill bit comprises a main shaft, a plurality of installation frames are circumferentially arranged on the main shaft by taking the axis direction of the main shaft as the center, the main shaft is far away from the end of the drilling machine, a plurality of drilling teeth are arranged on the installation frames, the drilling teeth on the same installation frame are coaxially connected with driven wheels, a driving mechanism is arranged on the installation frames, the output end of the driving mechanism is connected with a driving wheel, the driving mechanism is used for driving the driving wheel to rotate, and the driven wheels on the same installation frame are connected with the driving wheel through synchronous belts so as to enable the drilling teeth on the same installation frame to synchronously rotate. When the low-clearance cast-in-place pile is constructed, the power device of the drilling machine body drives the drilling machine to drill and the drilling is jointly implemented through the power of the drill bit, so that the drilling efficiency is not affected under the condition that the height of the drilling machine body is reduced.
Description
Technical Field
The utility model belongs to the technical field of pile machines, and particularly relates to a low-clearance cast-in-place pile construction device suitable for a hard rock layer.
Background
When the deep foundation pit of the super high-rise building is constructed, due to factors such as design and construction conditions, the condition that a plurality of cast-in-place piles are constructed under the low clearance condition occurs, most pile foundation working spaces are 6m or less, and due to complex geological conditions, a plurality of difficulties are added to the construction.
Due to the limitation of low clearance conditions, the rotary drilling rig on the market at present does not meet the operation requirement, the height of the low clearance drilling rig is 8m at the lowest, the operation height of the low clearance drilling rig is 6m, and the transformation difficulty is high. The height of the body of the rotary drilling machine on the market is 6.8m, compared with the height of the body of the rotary drilling machine on the market, the rotary drilling machine has the possibility of transformation, can meet the requirement of low-clearance operation, is also applied to some constructional engineering at present, but because of transformation, the part reduction of the height of the drilling machine is partially influenced, the construction efficiency is low in the drilling process, particularly under a hard rock layer, the drill bit is easily worn seriously, the replacement is difficult, the construction efficiency is greatly reduced, and the whole construction period of the engineering is influenced.
Therefore, a low-clearance bored concrete pile construction device suitable for use under a hard rock layer needs to be provided to solve the above problems.
Disclosure of Invention
In view of the above, the utility model aims to provide a low-clearance bored pile construction device suitable for a hard rock layer, which is used for solving the problems that in the prior art, the construction efficiency is low, in particular to the construction efficiency under the hard rock layer in the drilling process, the drill bit is easy to wear seriously, the replacement is difficult, the construction efficiency is greatly reduced, and the whole construction period of engineering is influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a low clearance bored concrete pile construction device suitable for under a hard rock layer, which comprises: the drilling machine comprises a drilling machine and a drill bit arranged on the drilling machine, wherein the drill bit comprises a main shaft, a plurality of installation frames are circumferentially arranged on the main shaft by taking the axis direction of the main shaft as the center, the main shaft is far away from the end of the drilling machine, a plurality of drilling teeth are arranged on the installation frames, the drilling teeth on the same installation frame are coaxially connected with driven wheels, a driving mechanism is arranged on the installation frames, the output end of the driving mechanism is connected with a driving wheel, the driving mechanism is used for driving the driving wheel to rotate, and the driven wheels on the same installation frame are connected with the driving wheel through synchronous belts so as to enable the drilling teeth on the same installation frame to synchronously rotate.
Further, the driven wheel axle center is provided with the connecting rod, be provided with a plurality of spouts on the connecting rod with connecting rod axis direction as the center, be connected with through the spring in the spout and follow spout gliding fixture block, be equipped with on the brill tooth with connecting rod complex connecting hole and the draw-in groove with the connecting hole intercommunication, draw-in groove and fixture block joint or break away from so that bore tooth and connecting rod are fixed or break away from.
Further, install the take-up pulley of being connected with the hold-in range on the mounting bracket, remove the take-up pulley can be adjusted the elasticity of hold-in range.
Further, the distance between every two driven wheels on the same mounting frame is at least 20cm.
Further, the mounting frame is arranged obliquely along the side close to the drill machine.
Further, the timing belt is made of a glass fiber material.
The utility model has the beneficial effects that:
when the low-clearance cast-in-place pile is constructed, the power device of the drilling machine body drives the drilling machine to drill and the drilling is jointly implemented through the power of the drill bit, so that the drilling efficiency is not affected under the condition that the height of the drilling machine body is reduced.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present utility model more clear, the present utility model provides the following drawings for description:
FIG. 1 is a schematic view of a drill bit according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a drill bit installation according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a detachable connection of a drill bit to a driven wheel according to an embodiment of the present utility model;
FIG. 4 is an enlarged view of portion A of FIG. 3 in accordance with an embodiment of the present utility model;
fig. 5 is a schematic view of a drill bit according to an embodiment of the present utility model mounted on a drilling machine.
The figures are marked as follows: 1. a drilling machine; 2. a drill bit; 201. a main shaft; 202. a mounting frame; 203. drilling teeth; 204. driven wheel; 205. a driving wheel; 206. a synchronous belt; 207. a tensioning wheel; 3. a connecting rod; 301. a chute; 302. a spring; 303. a clamping block; 304. a connection hole; 305. a clamping groove;
Detailed Description
As shown in fig. 1 to 5, the present utility model provides a low headroom cast-in-place pile construction device applicable under a hard rock layer, comprising: the drilling machine 1 and the drill bit 2 installed on the drilling machine 1, the drill bit 2 comprises a main shaft 201, a plurality of installation frames 202 are circumferentially installed on the main shaft 201 by taking the axial direction of the main shaft 201 as the center, the main shaft 201 is far away from the end of the drilling machine 1 and a plurality of drilling teeth 203 are installed on the installation frames 202, the drilling teeth 203 on the same installation frame 202 are coaxially connected with driven wheels 204, a driving mechanism is installed on the installation frames 202, the output end of the driving mechanism is connected with a driving wheel 205, and the driven wheels 204 on the same installation frame 202 are connected with the driving wheel 205 through synchronous belts 206 so as to enable the drilling teeth 203 on the same installation frame 202 to synchronously rotate.
In the scheme, the drilling teeth 203 are three-wing diamond alloy drilling teeth, and the included angle of the conical shape is 120 degrees; during the drilling process, the drilling machine 1 drives the driving wheel 205 to rotate through the driving mechanism, so that the synchronous belt 206 drives the driven wheels 204 on the same mounting frame 202 to rotate, and thus the drilling teeth 203 are driven to synchronously rotate, the drilling teeth 203 on the plurality of mounting frames 202 are drilled when meeting the hard rock layer, and the drilling teeth 203 on the plurality of mounting frames 202 circumferentially arranged on the main shaft 201 work simultaneously, so that the drilling efficiency is improved.
When the low-clearance bored concrete pile is constructed, the device drives the drilling machine 1 to drill through the power device of the drilling machine 1 body and jointly performs drilling through the power of the drill bit 2, so that the drilling efficiency is not affected under the condition that the height of the drilling machine 1 body is reduced.
In one embodiment of the present utility model, the driven wheel 204 is axially provided with a connecting rod 3, the connecting rod 3 is provided with a plurality of sliding grooves 301 centering on the axial direction of the connecting rod 3, a clamping block 303 capable of sliding along the sliding grooves 301 is connected in the sliding grooves 301 through a spring 302, the drilling teeth 203 are provided with a connecting hole 304 matched with the connecting rod 3 and a clamping groove 305 communicated with the connecting hole 304, and the clamping groove 305 is clamped with or separated from the clamping block 303 to fix or separate the drilling teeth 203 from the connecting rod 3.
In this scheme, when the drilling tooth 203 is installed, the connecting hole 304 of the drilling tooth 203 corresponds to the connecting rod 3, so that the drilling tooth 203 extrudes the clamping block 303 into the sliding groove 301, when the drilling tooth 203 slides along the connecting rod 3 until the clamping block 303 corresponds to the clamping groove 305, the clamping block 303 extends into the clamping groove 305 under the action of the spring 302 to realize clamping, so that the drilling tooth 203 is fixedly installed on the connecting rod 3.
Through the design of the structure, the drilling teeth 203 are detachably connected with the driven wheel 204, so that the installation and replacement of the drilling teeth 203 are facilitated.
In one embodiment of the present utility model, the mounting frame 202 is movably provided with a tensioning wheel 207, the tensioning wheel 207 is connected with the synchronous belt 206, and the tightness of the synchronous belt 206 can be adjusted by moving the tensioning wheel 207.
In one embodiment of the utility model, the timing belt 206 is made of fiberglass material.
In the scheme, the glass fiber material is thin and light, has high strength and is suitable for high-speed transmission.
In one embodiment of the utility model, the driven wheels 204 on the same mounting frame 202 are spaced at least 20cm apart.
In one embodiment of the utility model, the mounting frame 202 is disposed obliquely along the end near the drill 1.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (6)
1. A low headroom cast-in-place pile construction device suitable for under hard rock layer, comprising: drilling machine and install the drill bit on the drilling machine, its characterized in that: the drill bit comprises a main shaft, a plurality of mounting frames are circumferentially arranged on the main shaft by taking the axis direction of the main shaft as the center, the main shaft is far away from the end of the drilling machine, a plurality of drilling teeth are arranged on the mounting frames, the drilling teeth are coaxially connected with driven wheels on the same mounting frame, a driving mechanism is arranged on the mounting frames, the output end of the driving mechanism is connected with a driving wheel, the driving mechanism is used for driving the driving wheel to rotate, and the driven wheels on the same mounting frame are connected with the driving wheel through synchronous belts so as to enable the drilling teeth on the same mounting frame to synchronously rotate.
2. The low headroom cast-in-place pile construction device applicable to under hard rock layer according to claim 1, wherein: the driven wheel axle center is provided with a connecting rod, a plurality of sliding grooves are formed in the connecting rod by taking the axis direction of the connecting rod as the center, clamping blocks which can slide along the sliding grooves are connected in the sliding grooves through springs, connecting holes matched with the connecting rod and clamping grooves communicated with the connecting holes are formed in the drilling teeth, and the clamping grooves are clamped with or separated from the clamping blocks so that the drilling teeth are fixed with or separated from the connecting rod.
3. The low headroom cast-in-place pile construction device applicable to under hard rock layer according to claim 1, wherein: install the take-up pulley of being connected with the hold-in range on the mounting bracket, remove the take-up pulley can be adjusted the elasticity of hold-in range.
4. The low headroom cast-in-place pile construction device applicable to under hard rock layer according to claim 1, wherein: the distance between every two driven wheels on the same mounting frame is at least 20cm.
5. The low headroom cast-in-place pile construction device applicable to under hard rock layer according to claim 1, wherein: the mounting frame is obliquely arranged along the side close to the drill machine.
6. The low headroom cast-in-place pile construction device applicable to under hard rock layer according to claim 1, wherein: the synchronous belt is made of glass fiber materials.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320842854.9U CN219262295U (en) | 2023-04-17 | 2023-04-17 | Low headroom bored concrete pile construction equipment suitable for under hard rock layer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320842854.9U CN219262295U (en) | 2023-04-17 | 2023-04-17 | Low headroom bored concrete pile construction equipment suitable for under hard rock layer |
Publications (1)
Publication Number | Publication Date |
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CN219262295U true CN219262295U (en) | 2023-06-27 |
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CN202320842854.9U Active CN219262295U (en) | 2023-04-17 | 2023-04-17 | Low headroom bored concrete pile construction equipment suitable for under hard rock layer |
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CN (1) | CN219262295U (en) |
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2023
- 2023-04-17 CN CN202320842854.9U patent/CN219262295U/en active Active
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