CN211038513U - Bored concrete pile pore-forming integrated device and rotary drilling rig - Google Patents
Bored concrete pile pore-forming integrated device and rotary drilling rig Download PDFInfo
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- CN211038513U CN211038513U CN201921783820.7U CN201921783820U CN211038513U CN 211038513 U CN211038513 U CN 211038513U CN 201921783820 U CN201921783820 U CN 201921783820U CN 211038513 U CN211038513 U CN 211038513U
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Abstract
The utility model discloses an integrative device of bored concrete pile pore-forming, be applied to on digging the rig soon, this dig the rig soon has the unit head, drive cover and the drilling rod of cup jointing in this drive cover of being connected with this unit head, this integrative device of bored concrete pile pore-forming includes adapter sleeve and sleeve pipe, the adapter sleeve includes first adapter sleeve, the second adapter sleeve is connected with first adapter sleeve, the bottom opening of second adapter sleeve is provided with the circular arc board of radially stretching out to it along its circumference, the sleeve pipe is connected with the second adapter sleeve through passing the mechanism of turning round, wherein, first adapter sleeve, the second adapter sleeve, the sleeve pipe, the centre of rotation line at the place separately of drive sleeve and drilling rod is on same straight line. The utility model discloses can realize the function of bored concrete pile pore-forming and the function of cutting stratum, shorten the time of pore-forming, improve the efficiency of construction.
Description
Technical Field
The utility model relates to an engineering machine tool field, concretely relates to integrative device of bored concrete pile pore-forming and dig rig soon.
Background
The rotary drilling rig is a piling machine suitable for hole forming operation in foundation construction engineering of high-speed railways, intercity highways, urban subways, municipal construction and the like. Compared with the drilling hole forming technology of the traditional rotary or percussion drill, the rotary drilling rig has high automation degree and high integration of mechanical, electrical and night; the drilling speed is fast, the advantage that the pore-forming is efficient, have become the dominant machine type in the bored concrete pile construction. The rotary drilling rig mainly comprises a power device (an engine), a chassis (a frame, a walking mechanism, a cab, a boarding rotation and the like) and working devices (a power head, a pressurizing device, a follow-up frame, a gardenia rod assembly, a main winding field, an auxiliary winding field, a luffing mechanism, an elevator, a drill rod, a drilling tool and the like); the hydraulic system comprises a hydraulic pump, actuating elements (a hydraulic cylinder and a hydraulic motor) and hydraulic valves, auxiliary elements (an accumulator, an oil tank and pipelines) and the like.
When the full casing cast-in-place pile is formed, a pipe twisting machine or a full rotary drilling machine is generally adopted to press down a rotary steel casing pipe, so that the steel casing pipe cuts the stratum, after the steel casing pipe is pressed down to cut the stratum to a certain depth, a crawler crane lifts an impact grab bucket to take soil from the inside of the steel casing pipe, or a rotary drilling machine is adopted to take soil from the inside of the steel casing pipe, and the hole forming of the cast-in-place pile is completed. About 10 hours is needed for drilling a bored concrete pile with the length of 40 meters in a general stratum, about 40 hours is needed for drilling a bored concrete pile with the length of 40 meters in a complex stratum or a stratum with plain piles, and longer time is needed for hole forming along with the increase of the concrete strength of the plain piles, so that the construction efficiency of a pipe twisting machine, a full-rotary drill and a rotary drilling rig is lower. Meanwhile, when the cast-in-place pile is formed, multiple large machines are required to be frequently moved on the same working face, the large machines need to occupy larger working faces, and potential safety hazards are increased along with the increase of the large machines.
In view of this, it is urgently needed to improve the existing hole forming device of the rotary drilling rig so as to shorten the hole forming time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide an integrative device of bored concrete pile pore-forming and dig rig soon, can realize the function of bored concrete pile pore-forming and the function of cutting the stratum to shorten the time of pore-forming, improve the efficiency of construction.
In order to solve the technical problem, the utility model provides an integrative device of bored concrete pile pore-forming is provided, be applied to on digging the rig soon, should dig the rig soon and have the unit head, with the drive cover that this unit head is connected and cup joint the drilling rod in this drive cover, this integrative device of bored concrete pile pore-forming includes:
the adapter sleeve, the adapter sleeve includes:
the first connecting sleeve is connected with a driving sleeve of the rotary drilling rig;
the bottom opening of the second connecting sleeve is provided with an arc plate extending radially along the circumferential direction; and
the sleeve is connected with the second connecting sleeve through a torque transmission mechanism;
the first connecting sleeve, the second connecting sleeve, the driving sleeve and the drill rod are respectively positioned on the same straight line.
Furthermore, the torque transmission mechanism comprises a driving part arranged on the second connecting sleeve and a connecting part arranged on the sleeve and corresponding to the driving part, and the driving part drives the connecting part to rotate to drive the sleeve to rotate.
Further, the drive portion includes along the lug that the outer wall circumference of second adapter sleeve distributes, connecting portion are including setting up the recess of sleeve pipe inside wall, the recess has integrated into one piece's connection recess portion and passes and turn round the recess portion, the lug can inlay connect recess portion with pass and turn round in the recess portion.
Further, the length of the torque transmission groove portion is greater than that of the bump.
Further, still including setting up spacing portion on the second adapter sleeve, spacing portion is followed the outer wall circumference evenly distributed of second adapter sleeve.
Furthermore, an arc plate extending radially towards the bottom opening of the second connecting sleeve is arranged along the circumferential direction of the bottom opening of the second connecting sleeve, and the bottom surface of the arc plate is flush with the bottom opening of the second connecting sleeve.
Further, still including setting up the annular cover between first adapter sleeve and the second adapter sleeve, the annular cover respectively with first adapter sleeve with the second adapter sleeve passes through reinforcement fixed connection.
A rotary drilling rig comprising:
the cast-in-place pile hole forming integrated device is as described in any one of the above.
Compared with the prior art, the utility model has the advantages and positive effect be: the power head transmits torque to the driving sleeve, and the driving sleeve simultaneously drives the drill rod and the sleeve at the bottom of the connecting sleeve to rotate, so that the hole forming function of the cast-in-place pile and the stratum cutting function are realized, the hole forming time is shortened, and the construction efficiency is improved; construction equipment is reduced, and operation safety is improved; the hole forming of the cast-in-place pile can be completed in a narrow place, and the adaptability is strong; the convex part on the second connecting sleeve is matched with the concave part of the sleeve, so that the automatic installation, locking and separation of the sleeve are realized, manual installation is not needed, the labor intensity is reduced, and the construction efficiency is further improved; the bottom opening of the second connecting sleeve is provided with an arc plate extending out of the second connecting sleeve along the radial direction of the second connecting sleeve, and the bottom surface of the arc plate is flush with the bottom opening of the second connecting sleeve, so that the function of a collision bearing body is achieved.
Drawings
Fig. 1 is the overall structure schematic diagram of an integrated device for forming holes of a cast-in-place pile according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of the connection sleeve in fig. 1.
Fig. 3 is a schematic top view of the connection sleeve in fig. 1.
Fig. 4 is a schematic top view of the arc plate connection structure in fig. 2.
Fig. 5 is a schematic structural view of the fixed steel plate in fig. 1.
Fig. 6 is a schematic view of the sleeve structure of fig. 1.
Fig. 7 is a schematic cross-sectional view of the cannula of fig. 6.
Fig. 8 is a schematic top view of the cannula of fig. 7.
In the figure: 10-connecting sleeve, 20-sleeve, 11-first connecting sleeve, 12-second connecting sleeve,
13-annular sleeve, 14-arc plate, 15-reinforcing rib, 21-groove part,
22-receiving the inner layer 23-receiving the outer layer, 31-reinforcing members, 111-pin holes,
112-fixed steel plate, 121-convex block, 122-limiting part, 211-connecting groove,
212-Torque coupling recess.
Detailed Description
The invention is described in detail below with reference to the drawings and the detailed description.
The cast-in-place pile hole forming integrated device in the embodiment is applied to a rotary drilling rig, and the rotary drilling rig is provided with a power head, a driving sleeve connected with the power head and a drill rod sleeved in the driving sleeve. The power head transmits driving torque to the driving sleeve, and the inner pressing plate of the driving sleeve is meshed with the outer key strip of the drill rod, so that the drill rod is driven to rotate. And a drilling tool is arranged on the drill rod, receives the torque and the pressure from the drill rod, and realizes self rotation and feeding so as to drill the stratum. The drill in this embodiment may be a auger bit, a reamer bit, or the like.
As shown in fig. 1 to 8, the cast-in-place pile hole-forming integrated device mainly comprises a connecting sleeve 10 and a sleeve 20. The connecting sleeve 10 is used for transmitting the driving torque of the driving sleeve to the casing 20, and the casing 20 receives the torque and the pressure from the connecting sleeve 10 to realize self rotation and feeding so as to cut earth surface and rock soil.
As shown in fig. 1, 2 and 3, the connection sleeve 10 includes a first connection sleeve 11 and a second connection sleeve 12 connected to the first connection sleeve 11, the first connection sleeve 11 is connected to a driving sleeve (not shown) of the rotary drilling rig, the casing 20 is connected to the second connection sleeve 12 through a torque transmission mechanism, and rotation center lines of the first connection sleeve 11, the second connection sleeve 12, the casing 20, the driving sleeve (not shown) and the drill rod (not shown) are on the same straight line. The unit head transmits the moment of torsion to the drive sleeve, the drive sleeve drives the first connecting sleeve 11 to rotate, the second connecting sleeve 12 rotates along with the first connecting sleeve, the second connecting sleeve 12 transmits the moment of torsion to the sleeve pipe 20 through the torque transmission mechanism, the sleeve pipe 20 realizes that the drive sleeve rotates to cut the earth surface and rock soil, meanwhile, the drive sleeve drives the drill rod to rotate, a drilling tool on the drill rod receives the moment of torsion and the pressure from the drill rod, thereby the drilling of the stratum is realized by the rotation of the drilling tool and the feeding, the function of forming the hole by the cast-in-place pile and the function of cutting.
Specifically, the first torsion sleeve 11 is a steel sleeve, and pin holes 111 are formed in the steel sleeve at equal intervals in the circumferential direction. Preferably, the number of the pin holes 111 is 8, the two sides of each pin hole 111 are welded with a fixing steel plate 112 for fixing a connecting pin (not shown), the outer wall of the driving sleeve is provided with a mounting hole (not shown) corresponding to the pin hole 111, and the first torsion sleeve 11 is connected with the driving sleeve by inserting the connecting pin (not shown) into the pin hole 111 and the mounting hole (not shown), so as to realize connection with the driving sleeve.
More specifically, as shown in fig. 1 and 2, an annular sleeve 13 is connected between the first connecting sleeve 11 and the second connecting sleeve 12, and the annular sleeve 13 is fixedly connected with the first connecting sleeve 11 and the second connecting sleeve 12 through a reinforcing member 31. The reinforcing member 31 may be a reinforcing steel plate to reinforce the strength of the first and second connection sleeves 11 and 11.
Referring to fig. 1, 6, 7 and 8, the torque transmission mechanism includes a driving portion disposed on the second connecting sleeve 12 and a connecting portion disposed on the sleeve 20 and corresponding to the driving portion, the driving portion drives the connecting portion to rotate to drive the sleeve 20, the driving portion includes a protrusion 121 circumferentially distributed along an outer wall of the second connecting sleeve 12, the connecting portion includes a groove 21 disposed on an inner side wall of the sleeve 20, the groove 21 has an integrally formed connecting groove portion 211 and a torque transmission groove portion 212, the protrusion 121 is embedded into the connecting groove portion 211 and the torque transmission groove portion 212, the connecting groove portion 211 is adapted to receive the protrusion 121, the torque transmission groove portion 212 is adapted to transmit torque to the sleeve 20, preferably, the length of the torque transmission groove portion 212 is greater than that of the protrusion 21, so that the protrusion 21 is rotatable in the torque transmission groove portion 212, the protrusion 121 is a 4-piece square steel plate, and is welded to a circumferential outer wall of the second connecting sleeve 12, the sleeve 20 is a steel sleeve, the inner receiving portion 22 and the outer receiving portion 23 are inwardly protruded inside a receiving opening, the inner receiving portion 22 is provided with a L-type groove 21, and a L is provided with an integrally formed connecting.
The second connecting sleeve 12 is further provided with a limiting part 122, and the limiting part 122 is uniformly distributed along the circumferential direction of the outer wall of the second connecting sleeve 12. The limiting portion 122 mainly limits the sleeve 20, and simultaneously transmits the downward pressure of the power head to the sleeve 20 through the limiting portion 122. Specifically, the limiting portion 122 is 4 steel plates, and is welded on the outer side wall of the second connecting sleeve 12 at equal intervals.
Referring to fig. 2 and 4, the bottom opening of the second connecting sleeve 12 is provided with an arc plate 14 extending radially along the circumferential direction, and the central angle of the arc plate 14 is 45 degrees. Furthermore, the bottom surface of the arc plate 14 is flush with the bottom opening of the second connecting sleeve 12, and can function as a collision bearing body with the second connecting sleeve 12. Specifically, the arc plates 14 are three arc steel plates, each arc steel plate is welded on the inner side wall of the bottom opening of the second connecting sleeve 12, and a reinforcing rib 15 is welded between two adjacent arc steel plates.
When the drill bit is used, in the preparation stage, the first connecting sleeve 11 is connected with the driving sleeve, the first connecting sleeve 11, the annular sleeve 13, the second connecting sleeve 12 and a drill rod provided with a drilling tool are hung below the power head, and the convex block 121 on the second connecting sleeve 12 corresponds to the upper part of the groove 21 on the sleeve 20. During the connection state, the power head is pressed down, the lug 121 on the second connecting sleeve 12 moves to the connecting groove 211 of the groove 21 on the sleeve 20 to the torque transmission groove 212, the power head drives the second connecting sleeve 12 to rotate towards the torque transmission groove 212, the lug 121 is locked in the torque transmission groove 212, the second connecting sleeve 12 drives the sleeve 20 to lock and rotate, the stratum and the rock stratum are cut, meanwhile, the driving sleeve 20 drives the drill rod to rotate, and therefore the hole forming function of the cast-in-place pile and the stratum cutting function are achieved. In the upward pulling state, the power head is lifted up, and the second connecting sleeve 12 is buckled in the torque transmission groove 212 through the convex block 121, so that the sleeve 20 is pulled out. At this time, the protrusion 121 and the torque transmission groove 212 are always locked and do not slip off. When the sleeve 20 is separated from the second connecting sleeve 12, the power head is pressed downwards, the protrusion 121 on the second connecting sleeve 12 rotates to the connecting groove 211 in the direction away from the torque transmission groove 212, the power head is lifted upwards, and at the moment, the protrusion 121 slides out of the connecting groove 211 and returns to the initial state.
The embodiments of the present invention have been described in detail, but the above description is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (8)
1. The utility model provides an integrative device of bored concrete pile pore-forming, is applied to and digs the rig soon, should dig the rig soon and have the unit head, with the drive cover that this unit head is connected and cup joint the drilling rod in this drive cover, its characterized in that, this integrative device of bored concrete pile pore-forming includes:
the adapter sleeve, the adapter sleeve includes:
the first connecting sleeve is connected with a driving sleeve of the rotary drilling rig;
the second connecting sleeve is connected with the first connecting sleeve; and
the sleeve is connected with the second connecting sleeve through a torque transmission mechanism;
the first connecting sleeve, the second connecting sleeve, the driving sleeve and the drill rod are respectively positioned on the same straight line.
2. The cast-in-place pile hole-forming integrated device according to claim 1, wherein the torque transmission mechanism comprises a driving portion disposed on the second connecting sleeve and a connecting portion disposed on the sleeve and corresponding to the driving portion, and the driving portion drives the connecting portion to rotate to drive the sleeve to rotate.
3. The cast-in-place pile hole-forming integrated device as claimed in claim 2, wherein the driving portion includes protrusions circumferentially distributed along an outer wall of the second connecting sleeve, the connecting portion includes a groove provided in an inner side wall of the sleeve, the groove has a connecting groove portion and a torque transmission groove portion integrally formed, and the protrusions can be embedded into the connecting groove portion and the torque transmission groove portion.
4. An integrated apparatus for forming a hole in a bored concrete pile according to claim 3, wherein the length of the torque transmission groove portion is greater than the length of the projection.
5. An integrated cast-in-place pile hole forming device according to claim 2 or 3, further comprising a limiting portion arranged on the second connecting sleeve, wherein the limiting portion is uniformly distributed along the circumferential direction of the outer wall of the second connecting sleeve.
6. An integrated cast-in-place pile hole forming device as claimed in claim 1, wherein the bottom opening of the second connecting sleeve is provided with an arc plate extending radially therefrom along the circumferential direction, and the bottom surface of the arc plate is flush with the bottom opening of the second connecting sleeve.
7. The cast-in-place pile hole-forming integrated device as claimed in claim 1, further comprising an annular sleeve disposed between the first connecting sleeve and the second connecting sleeve, wherein the annular sleeve is fixedly connected with the first connecting sleeve and the second connecting sleeve through a reinforcement respectively.
8. A rotary drilling rig, characterized by comprising:
an integral apparatus for forming a hole in a cast-in-place pile according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921783820.7U CN211038513U (en) | 2019-10-23 | 2019-10-23 | Bored concrete pile pore-forming integrated device and rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921783820.7U CN211038513U (en) | 2019-10-23 | 2019-10-23 | Bored concrete pile pore-forming integrated device and rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211038513U true CN211038513U (en) | 2020-07-17 |
Family
ID=71532841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921783820.7U Active CN211038513U (en) | 2019-10-23 | 2019-10-23 | Bored concrete pile pore-forming integrated device and rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211038513U (en) |
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2019
- 2019-10-23 CN CN201921783820.7U patent/CN211038513U/en active Active
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