CN201396066Y - Reverse direction hole-guiding machine for PBA border pile construction - Google Patents
Reverse direction hole-guiding machine for PBA border pile construction Download PDFInfo
- Publication number
- CN201396066Y CN201396066Y CN2009200331297U CN200920033129U CN201396066Y CN 201396066 Y CN201396066 Y CN 201396066Y CN 2009200331297 U CN2009200331297 U CN 2009200331297U CN 200920033129 U CN200920033129 U CN 200920033129U CN 201396066 Y CN201396066 Y CN 201396066Y
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- column
- drilling rod
- pba
- hole
- motor
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Abstract
The utility model discloses a reverse direction hole-guiding machine for PBA border pile construction, which comprises an upright column, a cross arm and a lifting jack. An excavation chute plate, a reversible chain and a sliding sleeve are arranged on the upright column; wherein the sliding sleeve is sheathed on the upright column. A motor is fixed outside the sliding sleeve. The reversible chainis connected with the motor. The motor is connected with a drill rod with a drill bit. The excavation chute plate is arranged obliquely downward. The upper part of the drill rod extends over the excavation chute plate. The hole-guiding machine has compact structure, is simple and convenient to be used and operated, can effectively reduce labor intensity, can improve construction efficiency, and can guarantee the safety of operators in caverns.
Description
Technical field
The utility model belongs to the constructional engineering machinery technical field, especially relates to a kind of reverse hole machine that draws of the PBA of being used for skirt piles construction.
Background technology
Existing PBA (being subway tunneling station hole stake method) skirt piles job practices is: carry out stake position setting-out earlier, carry out the first segment soil excavation according to the setting-out position, first segment excavation height can be determined according to stake footpath and geological condition, after finishing according to design drawing size soil excavation, carry out the retaining wall reinforcing bar binding, carry out formwork erection then, and build breast wall concrete; After the first segment breast wall concrete is built, at the hole mouth hand excavated pile vertical hoisting system (generally adopting electric block, hoist engine or winch) is installed, the second joint soil excavation is finished the transportation of the hand excavated pile waste that earth excavation forms until stake subsoil side excavation by vertical hoisting system, and carries out construction that retaining wall reinforcing bar binding and breast wall concrete build according to the progress of soil excavation at the bottom of stake according to designing requirement; Carry out pore-forming at last and check and accept, colligation pile body reinforcing cage and build the pile body concrete after the acceptance(check).
This existing job practices has following shortcoming: 1, need vertical hoisting system be set at the hole mouth, carry out the vertical-lift waste, the operation meeting of hole mouth vertical hoisting system produces potential safety hazard to operator in the hole; 2, the hand excavated pile waste is promoted to the hole mouth by the hole bottom vertical, and vertical-lift operation labour intensity is bigger, has reduced the speed of application of pile.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of reverse hole machine that draws of the PBA of being used for skirt piles construction is provided, its compact conformation, use easy and simple to handle, draw the labour intensity that method that the hole machine carries out PBA skirt piles constructions effectively reduces the operator with this, improve the efficiency of construction of hand excavated pile, and guaranteed the safety of operator in the hole.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of reverse hole machine that draws, it is characterized in that: comprise column, be installed in described column top and make column keep stable stull and be installed in described column bottom and regulate the jack of column height, on the described column and the below that is positioned at stull is disposed with unearthed chute plate from top to bottom, jack and slide cartridge, wherein, described slide cartridge is sleeved on the column and external stability has motor, described jack is connected with motor and drives motor and moves up and down along column, described motor is connected with drilling rod by speed changer and drives drilling rod and rotates, described drilling rod vertically is provided with and the top has drill bit, described unearthed chute plate is tilted to down setting and has through hole in the position of relative drilling rod, and the epimere part of described drilling rod is stretched out above the chute plate that is unearthed by described through hole.
The glissile segment that slides up and down for slide cartridge on the described column is made of two steel pipes that are set up in parallel, and described slide cartridge is by being set up in parallel and two fixedly connected cylindrical body constitute, and the radius corresponding matching of described cylindrical body and described steel pipe.
Described drilling rod is a modular construction, and forms between each sections of this drilling rod to link by spiral shell and connect.
Described jack is the hand jack.
Described stull is made by angle steel, and the opening of described angle steel upwards is provided with.
The utility model compared with prior art has the following advantages: the reverse hole machine compact conformation that draws of the utility model, use easy and simple to handle, use this reversely to draw the method that the hole machine carries out PBA skirt piles constructions and be widely used in sandy gravel stratum, anhydrous geological condition such as clay, do not need to be provided with vertical hoisting system, the hand excavated pile waste that forms in the excavation directly is disposed to down pilot tunnel through the reverse hole of skirt piles, so, in construction, need not vertical-lift hand excavated pile waste earthward, the limited labour intensity that reduces the operator, improve the efficiency of construction of hand excavated pile, and guaranteed the safety of operator in the hole.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the reverse structural representation that draws the hole machine of the utility model.
Fig. 2 is the lateral view of Fig. 1.
Fig. 3 utilizes construct pilot tunnel at present of the utility model to draw construction view after the hole forms.
Fig. 4 is the reverse construction view of hole machine after in place of drawing when utilizing the utility model to construct.
Fig. 5 is the construction view after the reverse hole of skirt piles forms when utilizing the utility model to construct.
Fig. 6 is the construction view behind the pile body soil excavation when utilizing the utility model to construct.
Fig. 7 is the construction view after the pile body soil excavation finishes when utilizing the utility model to construct.
Fig. 8 is the construction view after the skirt piles pile body forms when utilizing the utility model to construct.
Description of reference numerals:
The 1-stull; The 2-chute plate that is unearthed; The 3-jack;
The 4-drilling rod; The 5-column; The 6-motor;
The 7-slide cartridge; The 8-jack; The last pilot tunnel of 9-;
10-skirt piles stake position center line; Pilot tunnel draws the hole under the 11-; Pilot tunnel under the 12-;
The 13-strip foundation; The reverse hole machine that draws of 14-; The reverse hole of 15-skirt piles;
16-skirt piles pile body; 17-skirt piles retaining wall; 18-hand excavated pile waste.
The specific embodiment
As depicted in figs. 1 and 2, the reverse hole machine that draws of the utility model is used to carry out the construction of PBA skirt piles, the reverse hole machine that draws comprises column 5, stull 1 and jack 8, wherein, stull 1 is installed in column 5 tops, and reverse when drawing 14 operations of hole machine the top of stull 1 be against on the end face of pilot tunnel 12 down, thereby make the reverse hole machine 14 that draws when operation, keep stablizing, jack 8 is installed in column 5 bottoms and the height when being used for regulating column 5 operations.On the column 5 and below that is positioned at stull 1 is disposed with the chute plate 2 that is unearthed from top to bottom, jack 3 and slide cartridge 7, wherein, slide cartridge 7 is sleeved on the column 5, and the external stability of slide cartridge 7 has motor 6, jack 3 is connected with motor 6, and move up and down along column 5 by regulating jack 3 drive motor 6, motor 6 is connected with drilling rod 4 by speed changer and drives drilling rod 4 and rotates according to the speed of working condition requirement, drilling rod 4 vertically is provided with and the top has drill bit, the chute plate 2 that is unearthed is tilted to down setting and has through hole in the position of relative drilling rod 4, the epimere part of drilling rod 4 is stretched out above the chute plate 2 that is unearthed by described through hole, like this, when guaranteeing that drill bit normally draws the hole operation, draw the waste that generates in the operation of hole and be discharged into down in the pilot tunnel 12, conveniently to stand in the construction of the operator below the drill bit along the chute plate 2 that is unearthed.
For guaranteeing the stability of motor 6 column 5 the time along column 5 slips, the glissile segment that slides up and down for slide cartridge 7 on the column 5 is made of two steel pipes that are set up in parallel, corresponding with it, slide cartridge 7 is by being set up in parallel and two fixedly connected cylindrical body constitute, and the radius corresponding matching of cylindrical body and steel pipe.
In the present embodiment, motor 6 is selected threephase asynchronous for use, and jack 3 is the hand jack, and stull 1 is made by angle steel, this angle steel be of a size of 100 * 100 * 10 and opening upwards be provided with.
Use this reversely to draw the method that the hole machine carries out PBA skirt piles constructions and may further comprise the steps:
Step 1, measurement setting-out: determine skirt piles stake position center line 10, and in last pilot tunnel 9 bottoms fender pile is set around skirt piles stake position center line 10, in the present embodiment, the quantity of fender pile is four;
Step 3, reverse to draw hole machine 14 in place: as shown in Figure 4, according in skirt piles stake position center line 10 and the step 2 in the step 1 down pilot tunnel draw the position in hole 11, it is in place and fixing in descending pilot tunnel 12 reversely to draw hole machine 14;
Step 4, the reverse hole of drawing: as shown in Figure 5, use reverse draw hole machine 14 from step 2 down pilot tunnel draw that hole 11 begins and with skirt piles stake position center line 10 in the step 1 for drawing the path, hole, upwards draw the hole operation from down to up, just serve as a contrast until last pilot tunnel 9 bottoms, thereby form the reverse hole 15 of skirt piles, in the present embodiment, the reverse hole of skirt piles 15 radiuses are 20cm;
Step 5: abolish pilot tunnel 9 lining just: the part of manually abolishing pilot tunnel 9 bottoms just serves as a contrast, in the position of abolishing and the step 4 the reverse hole of skirt piles 15 corresponding;
Step 6: the pile body soil excavation is also built breast wall concrete: as shown in Figure 6 and Figure 7, manual work goes up pilot tunnel 9 first linings and abolishes excavation hole downwards from step 5, until following pilot tunnel 12, the reverse hole 15 of skirt piles that the hand excavated pile waste 18 that forms in the excavation directly generates in step 4 is disposed to down pilot tunnel 12, and behind every excavation certain distance, carry out colligation supporting reinforcing bar, formwork erection and concreting operation, thereby synchronous formation skirt piles retaining wall 17 in the soil excavation operation, in the present embodiment, after every 1m of excavation downwards earthwork, just carry out 17 constructions of corresponding skirt piles retaining wall;
Step 7: pile body concreting: as shown in Figure 8, carry out the hole bit trial after, colligation pile body reinforcing bar, following pilot tunnel pile body formwork erection, concreting again, thus form skirt piles pile body 16.
Wherein, use in the step 4 and reversely draw the concrete operations step that hole machine 14 draws the hole operation and be:
(a) by the height of jack 8 adjusting columns 5, the top of stull 1 is against down on the end face of pilot tunnel 12, thereby makes the reverse hole machine 14 that draws when operation, keep stable;
(b) the manual adjustments jack 3, and motor 6 is moved up along column 5, are arranged under the step 2 pilot tunnel until the drill bit at drilling rod 4 tops and draw hole 11 and contact with compact earth;
(c) actuating motor 6, motor 6 drives drilling rod 4 and rotates, the reverse hole machine 14 that draws begins to draw the hole operation, just serve as a contrast until last pilot tunnel 9 bottoms, in drawing the hole operation process, manual adjustments jack 3 makes motor 6 move upward continuously along column 5, contacts with compact earth with the assurance drill bit, and makes the rotating speed of drilling rod 4 remain on 60 rev/mins by speed changer.
The reverse hole machine 14 that draws draws in the operation process of hole in the step (c), when drilling rod 4 length are not enough, are buckled in drilling rod 4 bottoms by spiral shell and connect the length of sections with increase drilling rod 4, thereby guarantee that the reverse hole machine 14 that draws can operate as normal.
In step 3 and the step 4, firm for the installation that guarantees motor 6, be provided with support member in the bottom of motor 6, and generally select for use scaffold common in the construction as support member.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment did, all still belong in the protection domain of technical solutions of the utility model.
Claims (5)
1. one kind is used for the reverse hole machine that draws that the PBA skirt piles are constructed, it is characterized in that: comprise column (5), be installed in described column (5) top and make column (5) keep stable stull (1) and be installed in described column (5) bottom and regulate the jack (8) of column (5) height, described column (5) is gone up and the below that is positioned at stull (1) is disposed with unearthed chute plate (2) from top to bottom, jack (3) and slide cartridge (7), wherein, described slide cartridge (7) is sleeved on the column (5) and external stability has motor (6), described jack (3) is connected with motor (6) and drives motor (6) and moves up and down along column (5), described motor (6) is connected with drilling rod (4) by speed changer and drives drilling rod (4) and rotates, described drilling rod (4) vertically is provided with and the top has drill bit, described unearthed chute plate (2) is tilted to down setting and has through hole in the position of relative drilling rod (4), and the epimere part of described drilling rod (4) is stretched out in the top of being unearthed chute plate (2) by described through hole.
2. according to the reverse hole machine that draws of the described PBA of the being used for skirt piles of claim 1 construction, it is characterized in that: described column (5) is gone up the glissile segment that slides up and down for slide cartridge (7) and is made of two steel pipes that are set up in parallel, described slide cartridge (7) is by being set up in parallel and two fixedly connected cylindrical body constitute, and the radius corresponding matching of described cylindrical body and described steel pipe.
3. according to the reverse hole machine that draws of claim 1 or the construction of the 2 described PBA of being used for skirt piles, it is characterized in that: described drilling rod (7) is a modular construction, and forms between each sections of this drilling rod (7) to link by spiral shell and connect.
4. according to the reverse hole machine that draws of claim 1 or the 2 described PBA of being used for skirt piles constructions, it is characterized in that: described jack (3) is the hand jack.
5. according to the reverse hole machine that draws of claim 1 or the 2 described PBA of being used for skirt piles constructions, it is characterized in that: described stull (1) is made by angle steel, and the opening of described angle steel upwards is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200331297U CN201396066Y (en) | 2009-05-14 | 2009-05-14 | Reverse direction hole-guiding machine for PBA border pile construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200331297U CN201396066Y (en) | 2009-05-14 | 2009-05-14 | Reverse direction hole-guiding machine for PBA border pile construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201396066Y true CN201396066Y (en) | 2010-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200331297U Expired - Lifetime CN201396066Y (en) | 2009-05-14 | 2009-05-14 | Reverse direction hole-guiding machine for PBA border pile construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN201396066Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555798B (en) * | 2009-05-14 | 2011-03-23 | 中铁一局集团有限公司 | Reverse puncher and method for using the puncher for implementing PBA side pile construction |
-
2009
- 2009-05-14 CN CN2009200331297U patent/CN201396066Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555798B (en) * | 2009-05-14 | 2011-03-23 | 中铁一局集团有限公司 | Reverse puncher and method for using the puncher for implementing PBA side pile construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100203 Effective date of abandoning: 20090514 |