CN214940139U - Pile foundation mechanical reaming drilling tool - Google Patents
Pile foundation mechanical reaming drilling tool Download PDFInfo
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- CN214940139U CN214940139U CN202120557302.4U CN202120557302U CN214940139U CN 214940139 U CN214940139 U CN 214940139U CN 202120557302 U CN202120557302 U CN 202120557302U CN 214940139 U CN214940139 U CN 214940139U
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- telescopic
- knife rest
- transmission shaft
- drilling tool
- pile
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Abstract
The utility model discloses a pile foundation mechanical reaming drilling tool, belonging to the field of pile machine mechanical equipment, comprising a main tool rest, a telescopic oil cylinder, a serrated knife motor, a transmission shaft, a mud pump and an earth bin; the bottom of the main tool rest is connected with an earth bin through a bolt, a slurry pump is installed between the earth bin and the main tool rest, the main tool rest is connected with the telescopic tool rest through a sliding rail, one end of a telescopic oil cylinder is connected to the main tool rest through a bolt, the other end of the telescopic oil cylinder is connected to the telescopic tool rest through a bolt, a transmission shaft is installed on the telescopic tool rest, a serrated knife is installed on the transmission shaft, a serrated knife motor is installed on the telescopic tool rest through a bolt, and the serrated knife motor is connected with the transmission shaft through a chain. The utility model cuts the soil body by the serrated knife in a segmenting and interlacing way, reduces the construction resistance and accelerates the construction speed; the sediment at the pile end is completely removed by arranging the mud pump and the earth storage bin, so that the influence of the sediment on the bearing capacity and the sedimentation of the pile body is avoided.
Description
Technical Field
The utility model relates to a stake machine mechanical equipment field, in particular to reaming drilling tool of pile foundation machinery.
Background
With the rapid development of urban construction in China, land resources are more and more tense, underground spaces are fully developed and utilized, and the method is a necessary trend of urban construction development. The urban underground space is developing towards a larger depth and a larger scale, and the large-scale investment and planning cause underground engineering construction to face more challenges and problems. At present, pile foundations are widely applied to key engineering construction such as municipal construction, subway construction, maintenance of mature buildings, water conservancy, airport construction and the like, and the market demand is large.
The common cast-in-situ bored pile has the pile forming process as follows: firstly, a cylindrical pile hole cavity is formed in foundation soil through drilling, a reinforcement cage is arranged in the pile hole, then concrete is poured, and the concrete in the pile hole is solidified to form the reinforced concrete cast-in-place pile. In order to increase the individual pile bearing capacity of the cast-in-place pile and the utilization of the concrete strength of the pile body, it has been found that this object can be achieved by enlarging the cross section at the end of the pile body, i.e. by reaming. However, the reaming machine structure that exists on the market is complicated, and the construction process is loaded down with trivial details to, the sediment is difficult to clear away after the reaming of stake end, consequently, in order to solve above-mentioned problem, the utility model provides a reaming drilling tool of pile foundation machinery.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem that exists among the prior art, the utility model provides a reaming drilling tool of pile foundation machinery has overcome the not enough of prior art. The pile diameter is slowly expanded by adopting the telescopic oil cylinder, and the serrated knives cut soil bodies in a segmented and staggered manner, so that the construction resistance is reduced, and the construction speed is accelerated; the pile end sediment is completely removed by arranging the mud pump and the earth storage bin, so that the influence of the sediment on the bearing capacity and the sedimentation of the pile body is avoided, the whole structure is simple, and the operation is convenient.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a drilling tool for mechanical reaming of pile foundations is characterized by comprising a main tool rest, a telescopic oil cylinder, a serrated knife motor, a transmission shaft, a slurry pump and an earth bin; the utility model discloses a tooth sword, including main knife rest, telescopic cylinder, transmission shaft, rack, telescopic knife rest, main knife rest bottom, main knife rest and telescopic cylinder, the main knife rest bottom has earth feed bin through bolted connection, installs the slush pump between earth feed bin and the main knife rest, through sliding rail connection between main knife rest and the telescopic knife rest, bolted connection is passed through on the main knife rest to the one end of telescopic cylinder, and the other end passes through bolted connection on the telescopic knife rest, the transmission shaft is installed on the telescopic knife rest, installs the tooth sword on the transmission shaft, the tooth sword motor passes through the bolt to be installed on the telescopic knife rest, is connected through the chain between tooth sword motor and the transmission shaft.
Preferably, the serrated knives are uniformly distributed on the transmission shafts, the width of each serrated knife is 10 cm-20 cm, the distance between every two adjacent serrated knives is 15 cm-25 cm, and the serrated knives on the two transmission shafts are distributed in a staggered mode.
Preferably, the earth storage bin is of a conical structure, the diameter range of the bottom surface of the conical structure is 40 cm-80 cm, and the height of the conical structure is 15 cm-25 cm.
Preferably, after the telescopic tool rest is extended, the distance from the central axis of the drilling tool to the outermost toothed cutter is 60 cm-120 cm.
Preferably, the mud pump is provided with the check valve, and the check valve sets up in earth feed bin bottom, and the check valve is hemisphere or cylindrical structure, and the check valve diameter is less than earth feed bin diameter.
Preferably, a transmission gear is arranged at the end part of the transmission shaft, a motor gear is arranged at the end part of the serrated knife motor, the diameter of the motor gear is smaller than or equal to that of the transmission gear, and the motor gear is connected with the transmission gear through a chain.
The utility model discloses the beneficial technological effect who brings:
the pile diameter is slowly expanded by adopting the telescopic oil cylinder, and the serrated knives cut soil bodies in a segmented and staggered manner, so that the construction resistance is reduced, and the construction speed is accelerated; the pile end sediment is completely removed by arranging the mud pump and the earth storage bin, so that the influence of the sediment on the bearing capacity and the sedimentation of the pile body is avoided, the whole structure is simple, and the operation is convenient.
Drawings
Fig. 1 is a front view of the structure of the reamed drilling tool of the pile foundation machinery when contracting.
Fig. 2 is the utility model relates to a structure plan view when reaming drilling tool of pile foundation machinery contracts.
Fig. 3 is a front view of the reaming drilling tool for pile foundation machinery of the present invention.
Fig. 4 is the utility model relates to a structure plan view when reaming drilling tool of pile foundation machinery expands.
Wherein, the device comprises a main tool rest 1, a telescopic tool rest 2, a telescopic oil cylinder 3, a toothed cutter 4, a toothed cutter motor 5, a transmission shaft 6, a slurry pump 7 and an earth bin 8.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
example 1:
as shown in fig. 1 to 4, a drilling tool for mechanical reaming of pile foundations is characterized by comprising a main tool rest 1, a telescopic tool rest 2, a telescopic oil cylinder 3, a toothed cutter 4, a toothed cutter motor 5, a transmission shaft 6, a slurry pump 7 and a mud bin 8; there is earth feed bin 8 main rest 1 bottom through bolted connection, installs slush pump 7 between earth feed bin 8 and the main rest 1, through sliding rail connection between main rest 1 and the flexible knife rest 2, bolted connection is passed through on main rest 1 to the one end of flexible hydro-cylinder 3, and bolted connection is passed through on flexible knife rest 2 to the other end, transmission shaft 6 is installed on flexible knife rest 2, installs serrated knife 4 on transmission shaft 6, serrated knife motor 5 passes through the bolt and installs on flexible knife rest 2, is connected through the chain between serrated knife motor 5 and the transmission shaft 6.
Preferably, the serrated knives 4 are uniformly distributed on the transmission shafts 6, the width of each serrated knife 4 is 10 cm-20 cm, the distance between every two adjacent serrated knives 4 is 15 cm-25 cm, and the serrated knives 4 on the two transmission shafts 6 are distributed in a staggered mode.
Preferably, the earth bunker 8 is a conical structure, the diameter range of the bottom surface of the conical structure is 40 cm-80 cm, and the height of the conical structure is 15 cm-25 cm.
Preferably, after the telescopic tool rest 2 is extended, the distance from the central axis of the drilling tool to the outermost toothed cutter 4 is 60 cm-120 cm.
Preferably, the mud pump 7 is provided with the check valve, and the check valve sets up in 8 bottoms in earth feed bin, and the check valve is hemisphere or cylindrical structure, and the check valve diameter is less than 8 diameters in earth feed bin.
Preferably, a transmission gear is arranged at the end part of the transmission shaft 6, a motor gear is arranged at the end part of the serrated knife motor 5, the diameter of the motor gear is smaller than or equal to that of the transmission gear, and the motor gear is connected with the transmission gear through a chain.
Example 2:
adopt the technical scheme of the utility model to carry out the further introduction of principle and application method.
As shown in fig. 1-4, will the utility model discloses a drilling tool is connected to on digging the rig drilling rod soon, transfer the drilling tool to the pile end, open tooth sword motor 5, make tooth sword 4 begin to cut the soil body, later open telescopic cylinder 3, along with tooth sword 4 cutting soil body, the stake footpath enlarges gradually, the dregs after the cutting fall into earth feed bin 8, take out by slush pump 7 afterwards, when the hole enlargement reaches the biggest, slowly shrink telescopic cylinder 3, the sediment at the bottom of the pile is further scraped into earth feed bin 8 to tooth sword 4, finally take out by slush pump 7, treat to put forward the drilling tool after the hole enlargement finishes.
The utility model relates to a pile foundation machinery reaming's drilling tool, through adopting flexible hydro-cylinder to expand the pile footpath slowly, and the serrated knife segmentation, crisscross cutting soil body, reduced the construction resistance, accelerated the construction speed; the pile end sediment is completely removed by arranging the mud pump and the earth storage bin, so that the influence of the sediment on the bearing capacity and the sedimentation of the pile body is avoided, the whole structure is simple, and the operation is convenient.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.
Claims (6)
1. A drilling tool for mechanical reaming of pile foundations is characterized by comprising a main tool rest, a telescopic oil cylinder, a serrated knife motor, a transmission shaft, a slurry pump and an earth bin; the utility model discloses a tooth sword, including main knife rest, telescopic cylinder, transmission shaft, rack, telescopic knife rest, main knife rest bottom, main knife rest and telescopic cylinder, the main knife rest bottom has earth feed bin through bolted connection, installs the slush pump between earth feed bin and the main knife rest, through sliding rail connection between main knife rest and the telescopic knife rest, bolted connection is passed through on the main knife rest to the one end of telescopic cylinder, and the other end passes through bolted connection on the telescopic knife rest, the transmission shaft is installed on the telescopic knife rest, installs the tooth sword on the transmission shaft, the tooth sword motor passes through the bolt to be installed on the telescopic knife rest, is connected through the chain between tooth sword motor and the transmission shaft.
2. The drilling tool for mechanical reaming of pile foundations as claimed in claim 1, wherein the serrated cutters are uniformly distributed on the transmission shafts, the width of each serrated cutter is 10 cm-20 cm, the distance between every two adjacent serrated cutters is 15 cm-25 cm, and the serrated cutters on the two transmission shafts are distributed in a staggered manner.
3. The drilling tool for mechanical reaming of pile foundations as claimed in claim 1, wherein the earth storage bin is of a conical structure, the diameter of the bottom surface of the conical structure ranges from 40cm to 80cm, and the height of the conical structure ranges from 15cm to 25 cm.
4. The drilling tool for mechanical reaming of pile foundations as claimed in claim 1, wherein the distance from the central axis of the drilling tool to the outermost row of cutters after the extension of the telescopic cutter holder is 60-120 cm.
5. The pile foundation machinery reaming drilling tool according to claim 1, wherein the mud pump is provided with a check valve, the check valve is arranged at the bottom of the earth storage bin, the check valve is of a hemispherical or cylindrical structure, and the diameter of the check valve is smaller than that of the earth storage bin.
6. The drilling tool for mechanical reaming of pile foundations as claimed in claim 1, wherein the end of the transmission shaft is provided with a transmission gear, the end of the serrated knife motor is provided with a motor gear, the diameter of the motor gear is smaller than or equal to that of the transmission gear, and the motor gear is connected with the transmission gear through a chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120557302.4U CN214940139U (en) | 2021-03-18 | 2021-03-18 | Pile foundation mechanical reaming drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120557302.4U CN214940139U (en) | 2021-03-18 | 2021-03-18 | Pile foundation mechanical reaming drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214940139U true CN214940139U (en) | 2021-11-30 |
Family
ID=79041233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120557302.4U Active CN214940139U (en) | 2021-03-18 | 2021-03-18 | Pile foundation mechanical reaming drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214940139U (en) |
-
2021
- 2021-03-18 CN CN202120557302.4U patent/CN214940139U/en active Active
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