CN115749613A - Mechanical reaming device and reaming method for replacing manual reaming of hole digging pile - Google Patents
Mechanical reaming device and reaming method for replacing manual reaming of hole digging pile Download PDFInfo
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- CN115749613A CN115749613A CN202211273103.6A CN202211273103A CN115749613A CN 115749613 A CN115749613 A CN 115749613A CN 202211273103 A CN202211273103 A CN 202211273103A CN 115749613 A CN115749613 A CN 115749613A
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Abstract
The invention is used for carrying out mechanical reaming operation of an enlarged head on the bottom of a dug pile foundation of power line engineering, and provides a mechanical reaming device for replacing manual reaming of a dug pile, which comprises: the upper surface of the mounting frame is provided with a connecting seat, and the connecting seat is used for being connected with hole digging driving equipment such as a rotary drilling rig; the chassis is positioned under the mounting rack and is connected with the second connecting rods through the first connecting rods, the number of the first connecting rods is two, the number of the second connecting rods is two, the upper end of each first connecting rod is hinged with the corresponding end of the mounting rack, the lower end of each connecting rod is hinged with the corresponding second connecting rod, and the lower end of each second connecting rod is hinged with the chassis; the cutter teeth are arranged on the outer side surface of each first connecting rod and are arranged at equal intervals along the extending direction of the first connecting rod, one cutter tooth is arranged at the lower end of each first connecting rod, and the direction of a cutting edge of each cutter tooth is perpendicular to the extending direction of the first connecting rod. The reaming device can replace manpower to ream, improves the reaming efficiency and reduces the potential safety hazard.
Description
Technical Field
The invention relates to the technical field of hole expanding of a foundation of a power line bored pile, in particular to a mechanical hole expanding device and a hole expanding method for replacing manual hole expanding of the bored pile.
Background
When being installed, the large-scale transmission line iron tower cannot be directly installed on the ground, but is fixedly installed on an iron tower foundation. The pile foundation that digs is a common iron tower foundation form of power line engineering, and the pile that digs generally forms through following mode: and firstly, excavating holes by adopting hole excavating equipment, placing the steel bar framework after the hole excavating is finished, and finally pouring cement to obtain the bored pile. In order to guarantee the stability of dug hole stake, often can carry out the reaming with the bottom in hole, make the diameter of the bottom in hole be greater than the diameter of its top, will have some cement to enter into reaming position department after pouring like this, the bottom of dug hole stake is the round platform form like this, and the lower extreme is thick, and the lower extreme is thin, and with soil cooperation around, can make the stability more of dug hole stake.
At present, the mode of mechanical hole digging and manual hole expanding is mostly adopted, the invention is disclosed in the patent number CN102425160A, the patent name is a method for constructing an engineering pile by combining a rotary drilling rig with manual hole expanding, and the patent discloses that the construction is carried out by the mode of hole digging and manual hole expanding of the drilling rig firstly. Because some holes can be deeper, manual reaming is dangerous, if the holes collapse, constructors have great risk, on the other hand, the holes are very thin, only one construction worker can be used for construction at a time, the construction space is very small, and the efficiency is very low.
Disclosure of Invention
Aiming at the problems, the mechanical reaming device and the reaming method for replacing manual reaming of the hole digging pile can adopt mechanical driving to ream, only operation equipment is needed to ream, and the hole digging device is safer and more efficient.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
the utility model provides a replace manual reaming's of bored pile mechanical reaming device which characterized in that includes:
the upper surface of the mounting frame is provided with a connecting seat which is of a square hollow structure, a bolt is arranged on the connecting seat, a shaft hole is formed in the middle of the connecting seat, and the bolt is inserted into the shaft hole and can be connected with driving equipment through the bolt;
the chassis is positioned under the mounting rack and is connected with the second connecting rods through the first connecting rods, the number of the first connecting rods is two, the number of the second connecting rods is two, the upper end of each first connecting rod is hinged with the corresponding end of the mounting rack, the lower end of each connecting rod is hinged with the corresponding second connecting rod, and the lower end of each second connecting rod is hinged with the chassis;
the cutter teeth are arranged on the outer side surface of each first connecting rod and are arranged at equal intervals along the extending direction of the first connecting rod, one cutter tooth is arranged at the lower end of each first connecting rod, and the direction of a cutting edge of each cutter tooth is perpendicular to the extending direction of the first connecting rod.
Preferably, the both ends of mounting bracket are provided with the notch, and when overlooking the observation, the opening of two notches faces mutually back, two the upper end of first connecting rod articulates in the notch that corresponds.
Preferably, the telescopic structure further comprises:
the upper end of the first telescopic rod is fixed on the lower surface of the mounting rack and is of a hollow structure, and the lower end of the first telescopic rod is open;
the lower end of the second telescopic rod is fixed on the chassis, the upper end of the second telescopic rod extends into the chassis from the lower end opening of the first telescopic rod, the axes of the first telescopic rod and the second telescopic rod are located on the axis of the chassis, the second telescopic rod can slide between a first state and a second state relative to the first telescopic rod, the length of the telescopic structure is longest in the first state, and the length of the telescopic structure is shortest in the second state.
Preferably, the second connecting rods of the same group are connected through a connecting plate, when the connecting plate is in the first state, the lower ends of the first connecting rods abut against the outer side of the connecting plate, the lower ends of the second connecting rods are arranged on the chassis through a hinge seat, and the lower ends of the second connecting rods are hinged on the hinge seat.
Preferably, a spring is arranged between the first telescopic rod and the second telescopic rod, the spring is arranged in the first telescopic rod, the lower end of the spring abuts against the second telescopic rod, the upper end of the spring selectively abuts against the lower surface of the mounting frame, and at least in the second state, the spring is in a compressed state.
Preferably, two enclosing plates are arranged on the chassis, the two enclosing plates extend along the edge of the chassis, a gap is formed between the two ends of the two enclosing plates, the gap corresponds to the position of the hinge seat, and at least part of muck can enter the chassis during reaming.
The invention also provides a reaming method, which comprises the following steps of:
the method comprises the following steps: connecting the reaming device with the driving device through a connecting seat;
step two: the driving apparatus moving the reaming means to the bottom of the hole;
step three: after the chassis contacts the bottom of the hole, driving equipment drives the mounting rack to continuously move downwards;
step four: the mounting frame drives the upper end of the first connecting rod to move downwards, the lower end of the first connecting rod moves outwards while moving downwards, and the first connecting rod abuts against the hole wall after moving for a certain distance;
step five: the driving equipment drives the hole expanding device to rotate, the cutter teeth scrape off the dregs on the hole wall in the rotating process, and the mounting frame is continuously pressed down in the rotating process until the preset hole expanding size is reached;
step six: after reaming is finished, the driving equipment stops rotating and drives the reaming device to move upwards, and the spring ejects the second telescopic rod relative to the first telescopic rod;
step seven: and taking the reaming device out of the hole, and reaming the hole.
Compared with the prior art, the invention has the beneficial effects that:
the reaming device can replace manpower to ream, on one hand, reaming efficiency is improved, on the other hand, manpower is saved, and meanwhile, potential safety hazards caused by manpower are avoided.
Drawings
Fig. 1 is a schematic perspective view of a mechanical reaming device for replacing manual reaming of a bored pile;
figure 2 is a side view of a mechanical reaming device for replacing manual reaming of a bored pile;
FIG. 3 is a schematic perspective view of a first link and a second link of a mechanical reaming device for manual reaming of a pile in place of a bored pile;
FIG. 4 is a top view of a second link of a mechanical reaming device for replacing manual reaming of a bored pile;
figure 5 is a side view of a telescoping mechanism of a mechanical reaming device in place of manual reaming of a dug pile;
FIG. 6 is a top plan view of a telescoping mechanism of a mechanical reaming device in place of manual reaming of a bored pile;
FIG. 7 isbase:Sub>A cross-sectional view taken at A-A in FIG. 6;
figure 8 is a side view of a first link of a mechanical reaming device for replacing manual reaming of a bored pile;
figure 9 is a schematic perspective view of a base plate of a mechanical reaming means for replacing manual reaming of a bored pile.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 9:
a mechanical reaming device for replacing manual reaming of a bored pile is used for reaming the bottom of a hole for placing the bored pile and comprises a connecting seat 1, a mounting frame 2, a telescopic mechanism 3, a first connecting rod 4, cutter teeth 5, a second connecting rod 6 and a chassis 7; the hole reaming device comprises a connecting seat 1, a driving device and a reaming device, wherein the connecting seat 1 is of a square hollow structure, a bolt 11 is arranged on the connecting seat 1, a shaft hole is formed in the middle of the connecting seat 1, the bolt 11 is inserted into the shaft hole and is used for being connected with the driving device, the driving device can be shared with the hole digging device, the device similar to an excavator bucket can be replaced by devices with different functions to execute different tasks, and the driving device can drive the hole reaming device to move up and down and rotate by adopting the prior art; the mounting frame 2 is welded with the bottom of the connecting seat 1, the mounting frame 2 extends horizontally, and two ends of the mounting frame are provided with notches; the extending direction of the telescopic mechanism 3 is perpendicular to the extending direction of the mounting frame 2, the telescopic mechanism can extend and retract along the extending direction, and the upper end of the telescopic mechanism 3 is welded with the bottom of the mounting frame 2; the chassis 7 is fixedly connected to the lower end of the telescopic mechanism 3, and the plane of the chassis is vertical to the extending direction of the telescopic mechanism 3; the number of the first connecting rods 4 is two, and the upper end of each first connecting rod 4 is hinged in a notch on the corresponding side of the mounting frame 2; a plurality of cutter teeth 5 are fixed on the outer side wall of each first connecting rod 4, the cutter teeth 5 on each first connecting rod 4 are arranged at equal intervals along the extending direction of the first connecting rod 4, and the direction of the cutting edge of each cutter tooth 5 is perpendicular to the extending direction of the first connecting rod 4, so that hole expansion is realized; the second connecting rods 6 are provided with two groups, each group of second connecting rods 6 is provided with two, one end of each second connecting rod 6 is hinged on the chassis 7, and the other end of each second connecting rod 6 is hinged. The two second connecting rods 6 and the two groups of first connecting rods 4 are respectively symmetrically arranged relative to the axis of the chassis 7, and the two notches of the mounting rack 2 are also symmetrically arranged relative to the axis of the chassis 7.
When needing to carry out reaming to the bottom of hole, be connected connecting seat 1 with drive arrangement, and fixed through bolt 11, drive arrangement passes through the davit and removes reaming device to the hole bottom, in-process moving to the hole bottom, first connecting rod 4, second connecting rod 6 is vertical state, when chassis 7 is contradicting the hole bottom, the davit of top continues to descend downwards, thereby make telescopic machanism 3 continue to push down downwards and make first connecting rod 4 and second connecting rod 6 take place the slope, then make sword tooth 5 on the first connecting rod 4 and perisporium looks butt in hole, scrape the perisporium of cutting the hole bottom under the effect of rotation thereby expand the space of hole bottom, after reaming, upwards pull up through the davit makes telescopic machanism 3 upwards rise, and then make first connecting rod 4 and second connecting rod 6 resume vertical state, so that the upward movement rises in the hole, how to ream the problem of carrying out reaming after the hole is accomplished in the bottom of hole has been solved, the automation of hole bottom expansion has been realized, the area of contact with the holding layer has been increased, thereby the safety in hole has improved the work efficiency, thereby the safety bearing cost has been reduced has taken place.
Referring to fig. 3 and 4:
the second connecting rods 6 in the same group are connected through the connecting plates 62, so that the strength of the second connecting rods 6 can be guaranteed, meanwhile, the first connecting plates 62 also have a limiting function, and the lower ends of the first connecting rods 4 can be prevented from inclining inwards. Hinging seats 61 are arranged at positions on the chassis 7 respectively corresponding to the two groups of second connecting rods 6, and the two groups of second connecting rods 6 are hinged on the hinging seats 61.
Referring to fig. 5:
the telescopic structure comprises a first telescopic rod 31 and a second telescopic rod 32; the upper end of the first telescopic rod 31 is welded with the bottom of the mounting frame 2; first telescopic link 31 is tubular structure and lower extreme opening, and the upper end of second telescopic link 32 stretches into first telescopic link 31 from the lower extreme opening of first telescopic link 31 on, the lower extreme and chassis 7 fixed connection of second telescopic link 32, second telescopic link 32 relative first telescopic link 31 can be between first state and second state relative slip and the axis of first telescopic link 31 and second telescopic link 32 is located on the axis of chassis 7, at the first state, the extending structure is in the longest state, at the second state, the extending structure is in the shortest state. The telescopic structure can play a role in guiding, so that the two first connecting rods 4 and the two second connecting rods 6 are always symmetrical relative to the axis of the chassis 7.
Referring to fig. 6 to 7:
a spring 33 is arranged between the first telescopic rod 31 and the second telescopic rod 32; a spring 33 is arranged inside the first telescopic rod 31, the lower end of the spring 33 abuts against the second telescopic rod 32, the upper end selectively abuts against the lower surface of the mounting frame 2, and at least in the second state, the spring 33 is in a compressed state.
Lifting up equipment after accomplishing the reaming operation, first telescopic link 31 upwards moves along second telescopic link 32, the further first telescopic link 31 of jack-up that makes progress of spring 33 compressed this moment, make first connecting rod 4 and hinge bar 62 can resume the problem of initial position smoothly, downthehole debris resume to first connecting rod 4 and hinge bar 62 when having avoided the reaming and cause the influence and lead to the condition of first connecting rod 4 card at the bottom of the hole, have reduced the damage to reaming part.
Referring to fig. 8:
each of said teeth 5 is fixed to the corresponding first link 4 by means of a screw 51. Of course, the cutter teeth 5 may be fixed to the first link 4 by welding.
Referring to fig. 9:
two enclosing plates 71 are arranged on the chassis 7, the two enclosing plates 71 extend along the edge of the chassis 7, and a gap is formed between two ends of the two enclosing plates 71, the gap corresponds to the position of the hinge seat 61, so that at least part of muck can enter the chassis 7 during reaming.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (7)
1. The utility model provides a replace manual reaming's of bored pile mechanical reaming device which characterized in that includes:
the upper surface of the mounting frame is provided with a connecting seat which is of a square hollow structure, a bolt is arranged on the connecting seat, a shaft hole is formed in the middle of the connecting seat, and the bolt is inserted into the shaft hole and can be connected with driving equipment through the bolt;
the chassis is positioned under the mounting rack and is connected with the second connecting rods through the first connecting rods, the number of the first connecting rods is two, the number of the second connecting rods is two, the upper end of each first connecting rod is hinged with the corresponding end of the mounting rack, the lower end of each connecting rod is hinged with the corresponding second connecting rod, and the lower end of each second connecting rod is hinged with the chassis;
the cutter teeth are arranged on the outer side surface of each first connecting rod and are arranged at equal intervals along the extending direction of the first connecting rod, one cutter tooth is arranged at the lower end of each first connecting rod, and the direction of a cutting edge of each cutter tooth is perpendicular to the extending direction of the first connecting rod.
2. The mechanical reaming device for replacing the manual reaming of the hole digging pile according to claim 1, wherein the two ends of the mounting frame are provided with notches, the openings of the two notches face to each other in a top view, and the upper ends of the two first connecting rods are hinged in the corresponding notches.
3. The mechanical reaming device for replacing manual reaming of bored piles according to claim 2, further comprising a telescoping structure, the telescoping structure comprising:
the upper end of the first telescopic rod is fixed on the lower surface of the mounting rack and is of a hollow structure, and the lower end of the first telescopic rod is open;
the lower end of the second telescopic rod is fixed on the chassis, the upper end of the second telescopic rod extends into the chassis from the lower end opening of the first telescopic rod, the axes of the first telescopic rod and the second telescopic rod are located on the axis of the chassis, the second telescopic rod can slide between a first state and a second state relative to the first telescopic rod, the length of the telescopic structure is longest in the first state, and the length of the telescopic structure is shortest in the second state.
4. A mechanical reaming device for replacing manual reaming of bored piles according to claim 3, wherein the second connecting rods of the same set are connected by a connecting plate, and when in the first state, the lower ends of the first connecting rods abut against the outside of the connecting plate, and the lower ends of the second connecting rods are arranged on the chassis by means of a hinge seat, and the lower ends of the second connecting rods are hinged on the hinge seat.
5. The mechanical reaming device for replacing manual reaming of bored piles according to claim 4, wherein a spring is provided between the first telescopic rod and the second telescopic rod, the spring being disposed within the first telescopic rod, the spring having a lower end abutting against the second telescopic rod and an upper end selectively abutting against a lower surface of the mounting frame, the spring being in a compressed state at least in the second state.
6. A mechanical reaming device for the replacement of a hole pile according to claim 5, wherein two end plates are provided on the base plate, the end plates extending along the edge of the base plate and defining a gap between the ends of the end plates, said gap corresponding to the location of the hinge mount, whereby at least some of the debris can enter the base plate during reaming.
7. A reaming method using the reaming device of claim 6, comprising the steps of:
the method comprises the following steps: connecting the reaming device with the driving device through a connecting seat;
step two: the driving apparatus moving the reaming means to the bottom of the hole;
step three: after the chassis contacts the bottom of the hole, driving equipment drives the mounting rack to continuously move downwards;
step four: the mounting frame drives the upper end of the first connecting rod to move downwards, the lower end of the first connecting rod moves outwards while moving downwards, and the first connecting rod abuts against the hole wall after moving for a certain distance;
step five: the driving equipment drives the hole expanding device to rotate, the cutter teeth scrape off the dregs on the hole wall in the rotating process, and the mounting frame is continuously pressed down in the rotating process until the preset hole expanding size is reached;
step six: after reaming is finished, the driving equipment stops rotating and drives the reaming device to move upwards, and the spring ejects the second telescopic rod relative to the first telescopic rod;
step seven: and taking the reaming device out of the hole, and reaming is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211273103.6A CN115749613A (en) | 2022-10-18 | 2022-10-18 | Mechanical reaming device and reaming method for replacing manual reaming of hole digging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211273103.6A CN115749613A (en) | 2022-10-18 | 2022-10-18 | Mechanical reaming device and reaming method for replacing manual reaming of hole digging pile |
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| Publication Number | Publication Date |
|---|---|
| CN115749613A true CN115749613A (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211273103.6A Pending CN115749613A (en) | 2022-10-18 | 2022-10-18 | Mechanical reaming device and reaming method for replacing manual reaming of hole digging pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780250A (en) * | 2024-02-26 | 2024-03-29 | 山东海盛海洋工程集团有限公司 | Immersed tube filling club-footed pile construction equipment |
-
2022
- 2022-10-18 CN CN202211273103.6A patent/CN115749613A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117780250A (en) * | 2024-02-26 | 2024-03-29 | 山东海盛海洋工程集团有限公司 | Immersed tube filling club-footed pile construction equipment |
| CN117780250B (en) * | 2024-02-26 | 2024-06-11 | 山东海盛海洋工程集团有限公司 | Immersed tube filling club-footed pile construction equipment |
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