CN203547526U - Hard protection pit bottom fetching and drilling power head - Google Patents
Hard protection pit bottom fetching and drilling power head Download PDFInfo
- Publication number
- CN203547526U CN203547526U CN201320591836.4U CN201320591836U CN203547526U CN 203547526 U CN203547526 U CN 203547526U CN 201320591836 U CN201320591836 U CN 201320591836U CN 203547526 U CN203547526 U CN 203547526U
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- CN
- China
- Prior art keywords
- transmission case
- drilling tool
- inner support
- fetching
- unit head
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- Withdrawn - After Issue
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Abstract
The utility model relates to a hard protection pit bottom fetching and drilling power head which comprises a transmission case, a drilling tool and a plurality of inner supporting clamping blocks. The drilling tool is connected to the bottom of the transmission case, the inner supporting clamping blocks are connected to the upper side of the transmission case, the top of the drilling tool is connected onto a spindle at the bottom of the transmission case, a transmission disc is arranged in the transmission case, inner-ring gears are arranged on the transmission disc, a plurality of driving gears which are uniformly distributed are meshed with the inner-ring gears, or idle gears are additionally arranged among the inner-ring gears and the driving gears, the driving gears are connected with a main driving transmission shaft, and the main driving transmission shaft is connected with motors of hydraulic speed reducers; the inner supporting clamping blocks are annularly distributed on the upper side of the transmission case. The hard protection pit bottom fetching and drilling power head has the advantages that the hard protection pit bottom fetching and drilling power head is provided with the multiple inner supporting clamping blocks and clamping cylinders and can be stably positioned; the drilling tool can be powered by the multiple motors simultaneously, and accordingly the hard protection pit bottom fetching and drilling power head can assuredly stably run; scraping rings made of rubber plates are arranged above the drilling tool, so that damage to equipment due to the fact that cut rock and soil continue being conveyed upwardly when the drilling tool reaches the upper fetching limit in single procedures can be effectively prevented, the inner wall of a sleeve can be prevented from being stained by the rock and the soil, and the drilling tool can be assuredly stably operated.
Description
Technical field
The utility model relates to geological prospecting probing deep foundation pile foundation technology field, gets into unit head at the bottom of particularly relating to the hard retaining wall of a kind of deep foundation pile foundation hole.
Background technology
Along with the continuous quickening of China's infrastructure construction, the drilling and forming hole under various complicated geological environments is more and more, conventionally need to utilize sleeve pipe retaining wall when creep at scene, carries out casting operation in sleeve pipe.Traditional casting instrument, mostly by crane, to join punching grab bucket or rotary drilling rig to join to revolve and dig drilling tool and carry out casting downwards at surface of stratum, due to oversize at the bottom of drilling tool or drill boom elongated hole, the ground of getting is too large to internal surface of sleeve pipe friction area, casting effect is undesirable, and efficiency of construction is low, and punching grab bucket is fragile, and limited by crane or rotary drilling rig tonnage, construction cost is higher, difficulty is larger.
Utility model content
The purpose of this utility model is got into unit head at the bottom of being to provide a kind of hard retaining wall hole, to overcome prior art above shortcomings.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of hard retaining wall is got into unit head at the bottom of hole, comprise transmission case, be connected to the drilling tool of transmission case bottom and be connected to some inner support clamps of transmission case top, the top of described drilling tool is connected on the main shaft of transmission case bottom, in described transmission case, be provided with drive plate, described drive plate is provided with inner ring gear, described inner ring gear is engaged with some equally distributed driving gears or centre is equipped with idle wheel, described driving gear is all connected with driving final drive shaft, and described driving final drive shaft is connected with hydraulic speed reducer motor; Described transmission case top annular spread has some inner support clamps, multiple struts that are parallel to each other are rotatably connected between described inner support clamp and transmission case, the wherein strut of the top pull bar that has been rotatably connected with inner support clamp junction, described pull bar is all rotatably connected around same clamping disk(-sc), described clamping disk(-sc) middle part is connected with clamping cylinder, and described clamping cylinder is fixedly connected on middle part on described transmission case body; Described transmission case body top clamping cylinder is provided with fluid pressure line swivel coupling and communicates with clamping cylinder and hydraulic speed reducer motor oil circuit, has hanger and clamping cylinder fastening above described swivel coupling.
Further, described drilling tool top is provided with a disk, and described disk periphery is equipped with drilling tool guiding diagonal bar plate up and down, and described drilling tool guiding diagonal bar plate outside is provided with rubber tile scraping ring.
Further, described inner support clamp lateral surface is vertical arc surface, inside described inner support clamp, horizontal distribution has some reinforcement gussets, the upper and lower Connection Block that is respectively equipped with inside described inner support clamp, and described Connection Block is rotatably connected with described strut and pull bar.
Further, described clamping disk(-sc) is provided with some connecting rods straight down around, and described connecting rod lower end is rotatably connected with described pull bar.
Further, described hydraulic speed reducer motor is equipped with driving unit head.
The beneficial effects of the utility model are: multiple inner support clamps are set, and are furnished with clamping cylinder, positioning stablity; Multiple motors, simultaneously for drilling tool provides power, guarantee stable; Drilling tool top is provided with rubber tile scraping ring, can effectively prevent from reaching in limited time when drilling tool single fetches earth, and the ground of cutting continues up to carry, and damage equipment also can prevent that ground is stained with on internal surface of sleeve pipe, guarantees that drilling tool running stablizes.
Accompanying drawing explanation
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 gets the structural representation into unit head at the bottom of hard retaining wall hole described in the utility model embodiment;
Fig. 2 is the partial enlarged drawing of A shown in Fig. 1;
Fig. 3 is the structural representation that inner support clamps transmission case and inner support clamp described in the utility model embodiment;
Fig. 4 is the top view of inner support clamp described in the utility model embodiment;
Fig. 5 is the structural representation of clamping disk(-sc) described in the utility model embodiment;
Fig. 6 is the top view of Fig. 5;
Fig. 7 is the structural representation of drilling tool guiding diagonal bar plate and rubber tile scraping ring described in the utility model embodiment.
In figure:
1, drilling tool; 2, rubber tile scraping ring; 3, transmission case; 4, inner support clamp; 5, clamping cylinder; 6, swivel coupling; 7, clamping disk(-sc); 8, drive unit head; 9, hydraulic speed reducer motor; 10, drive final drive shaft; 11, driving gear; 12, inner ring gear; 13, drive plate; 14, drilling tool guiding diagonal bar plate.
The specific embodiment
As shown in Fig. 1-7, at the bottom of the hard retaining wall of one hole described in the utility model embodiment, get into unit head, comprise transmission case 3, be connected to the drilling tool 1 of transmission case 3 bottoms and be connected to some inner support clamps 4 of transmission case 3 tops, the top of described drilling tool 1 is connected on the main shaft of transmission case 3 bottoms, in described transmission case 3, be provided with drive plate 13, described drive plate 13 is provided with inner ring gear 12, described inner ring gear 12 is engaged with some equally distributed driving gears 11 or adds some idle wheels between inner ring gear 12 and driving gear 11, described driving gear 11 is all connected with and drives final drive shaft 10, described driving final drive shaft 10 is connected with hydraulic speed reducer motor 9, described transmission case 3 top annular spread have some inner support clamps 4, multiple struts that are parallel to each other are rotatably connected between described inner support clamp 4 and transmission case 3, the wherein strut of the top pull bar that has been rotatably connected with inner support clamp 4 junctions, described pull bar is all rotatably connected around same clamping disk(-sc) 7, described clamping disk(-sc) 7 middle parts are connected with clamping cylinder 5, and described clamping cylinder 5 is fixedly connected on transmission case body 3, described transmission case body top clamping cylinder 5 is provided with fluid pressure line swivel coupling 6 and communicates with clamping cylinder 5 and hydraulic speed reducer motor 9 oil circuits, described hydraumatic swivel joint 6 tops have hanger and clamping cylinder fastening.
Described drilling tool 1 top is provided with a disk, and described disk periphery is equipped with drilling tool guiding diagonal bar plate 14 up and down, and described drilling tool guiding diagonal bar plate 14 outsides are provided with rubber tile scraping ring 2.Described inner support clamp 4 lateral surfaces are vertical arc surface, and described inner support clamp 4 inner side horizontal distribution have some reinforcement gussets, the upper and lower Connection Block that is respectively equipped with in described inner support clamp 4 inner sides, and described Connection Block is rotatably connected with described strut and pull bar.Described clamping disk(-sc) 7 is provided with some connecting rods straight down around, and described connecting rod lower end is rotatably connected with described pull bar.Described hydraulic speed reducer motor 9 is equipped with and drives unit head 8.
At the bottom of described hard retaining wall hole, get into unit head and be lifted in sleeve.
During use, at the bottom of being connected to hard retaining wall hole, gets on the hanger of unit head top by wire rope, then will at the bottom of hard retaining wall hole, get into unit head and be lifted in sleeve, hang onto sleeve bottom, control clamping cylinder 5, clamping disk(-sc) 7 is moved downward, under the acting in conjunction of clamping disk(-sc) 7, pull bar and strut, inner support clamp 4 is outwards ejected, and top, to sleeve lining, is fixed transmission case 3; Then start hydraulic speed reducer motor 9, direction of rotation is contrary with the direction of rotation of protecting pipe, has given again undoubtedly another forward drive power of clamping protecting pipe ground installation.Hydraulic speed reducer motor 9 is by driving final drive shaft 10 to drive driving gear 11 to rotate, and driving gear 11 drives or the middle inner ring gear 11 of borrowing wheel to engage with it rotates, thereby drives drilling tool 1 to rotate, and starts to bore soil.Bore in native process, drilling tool 1 can be ahead of the certain degree of depth of protecting pipe.The disk of drilling tool 1 top and rubber tile scraping ring 2 can prevent from reaching in limited time when drilling tool 1 single fetches earth, and the ground of cutting continues up to carry, and damage equipment also can prevent that ground is stained with on internal surface of sleeve pipe, guarantee that drilling tool 1 running stablizes.When drilling tool 1 single fetches earth to reach in limited time, by hydraulic flow meter, show and detect, stop hydraulic speed reducer motor 9, control clamping cylinder 5, clamping disk(-sc) 7 is moved upward, inner support clamp 4 is regained, at the bottom of whole hard retaining wall hole, got into unit head and leave sleeve, then tighten up wire rope, to at the bottom of hard retaining wall hole, get into unit head and upwards carry in ground, and the ground on drilling tool 1 is removed clean.After will at the bottom of hard retaining wall hole, get into unit head and put into sleeve, continue fetch earth next time.The disk border of drilling tool 1 top is provided with drilling tool guiding diagonal bar plate 14, and guide effect is provided when entering or proposing sleeve pipe for drilling tool.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection domain of the present utility model.
Claims (5)
1. at the bottom of a hard retaining wall hole, get into unit head, comprise transmission case (3), be connected to the drilling tool (1) of transmission case (3) bottom and be connected to some inner support clamps (4) of transmission case (3) top, it is characterized in that: the top of described drilling tool (1) is connected on the main shaft of transmission case (3) bottom, in described transmission case (3), be provided with drive plate (13), described drive plate (13) is provided with inner ring gear (12), described inner ring gear (12) is engaged with some equally distributed driving gears (11) or centre adds idle wheel, described driving gear (11) is all connected with and drives final drive shaft (10), described driving final drive shaft (10) is connected with hydraulic speed reducer motor (9), described transmission case (3) top annular spread has some inner support clamps (4), described inner support clamp (4) is connected with multiple struts that are parallel to each other around with transmission case (3), the wherein described strut of the top pull bar that has been rotatably connected with inner support clamp (4) junction, described pull bar is all rotatably connected in same clamping disk(-sc) (7) circumference, described clamping disk(-sc) (7) middle part is connected with clamping cylinder (5), and described clamping cylinder (5) is fixedly connected on the upper center of described transmission case body (3), described transmission case body top clamping cylinder (5) is provided with fluid pressure line swivel coupling (6) and communicates with clamping cylinder (5) and hydraulic speed reducer motor (9) oil circuit, has hanger and clamping cylinder (5) fastening above described swivel coupling (6).
2. at the bottom of the hard retaining wall of one according to claim 1 hole, get into unit head, it is characterized in that: described drilling tool (1) top is provided with a disk, described disk periphery is equipped with drilling tool guiding diagonal bar plate (14) up and down, and described drilling tool guiding diagonal bar plate (14) outside is provided with rubber tile scraping ring (2).
3. at the bottom of the hard retaining wall of one according to claim 2 hole, get into unit head, it is characterized in that: described inner support clamp (4) lateral surface is vertical arc surface, described inner support clamp (4) inner side horizontal distribution has some reinforcement gussets, the upper and lower Connection Block that is respectively equipped with in described inner support clamp (4) inner side, described Connection Block is rotatably connected with described strut and pull bar.
4. at the bottom of the hard retaining wall of one according to claim 3 hole, get into unit head, it is characterized in that: described clamping disk(-sc) (7) is provided with some connecting rods straight down around, described connecting rod lower end is rotatably connected with described pull bar.
5. at the bottom of the hard retaining wall of one according to claim 4 hole, get into unit head, it is characterized in that: described hydraulic speed reducer motor (9) is equipped with and drives unit head (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320591836.4U CN203547526U (en) | 2013-09-24 | 2013-09-24 | Hard protection pit bottom fetching and drilling power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320591836.4U CN203547526U (en) | 2013-09-24 | 2013-09-24 | Hard protection pit bottom fetching and drilling power head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203547526U true CN203547526U (en) | 2014-04-16 |
Family
ID=50465655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320591836.4U Withdrawn - After Issue CN203547526U (en) | 2013-09-24 | 2013-09-24 | Hard protection pit bottom fetching and drilling power head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203547526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485712A (en) * | 2013-09-24 | 2014-01-01 | 北京嘉友心诚工贸有限公司 | Hard retaining wall hole bottom propulsion power head |
-
2013
- 2013-09-24 CN CN201320591836.4U patent/CN203547526U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485712A (en) * | 2013-09-24 | 2014-01-01 | 北京嘉友心诚工贸有限公司 | Hard retaining wall hole bottom propulsion power head |
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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: 20140416 Effective date of abandoning: 20151021 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |