CN205135426U - Soil-collecting type hydraulic bottom-expanding drilling machine - Google Patents
Soil-collecting type hydraulic bottom-expanding drilling machine Download PDFInfo
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- CN205135426U CN205135426U CN201520910369.6U CN201520910369U CN205135426U CN 205135426 U CN205135426 U CN 205135426U CN 201520910369 U CN201520910369 U CN 201520910369U CN 205135426 U CN205135426 U CN 205135426U
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Abstract
The soil-collecting hydraulic bottom-expanding drilling machine tool suitable for drilling bottom-expanding construction comprises a connecting flange, a centralizer, a rotating shaft, an expanding wing, a cutting tool, a spearhead rod, a connecting rod assembly, a spearhead seat, a wear-resistant strip, a fixed front wing, a hydraulic oil cylinder, a guide mechanism, a sliding mechanism, a supporting mechanism, a bottom plate, a centering tip, a hinge system, a fixed rear wing and an upper cover plate. Wear-resistant strips are arranged outside the centralizer; the hydraulic oil cylinder with the built-in displacement sensor is vertically arranged on two sides of the guide mechanism, and the rod cavity end and the rodless cavity end are respectively hinged with the sliding mechanism and the upper cover plate assembly; the fixed front wing and the fixed rear wing are respectively hinged with the expansion wing through a rotating shaft; when the expanding wing rotates, the upper part is a cone, and the lower part is a cylinder; the linear motion of the hydraulic oil cylinder is converted into the rotary motion of the expansion wing through a mechanical control synchronizer, and a spearhead rod is rotated to open the lower bottom plate assembly. The utility model discloses the collection bores reaming, borrowing, pore-forming and detects as an organic wholely, has advantages such as speed stroke is controllable, the reaming precision is high, pore-forming is fast, efficient and construction safety.
Description
Technical field
The utility model relates to the working collection of a kind of underreamed bored pile native formula hydraulic foundation expansion drilling facility.
Background technology
In recent years, along with the fast development of China's infrastructure construction, the workload of building pile foundation is increasing, and the requirement for bearing capacity of engineering to pile foundation is more and more higher.Expanded bore pile is adopted to be a kind of effective means improving bearing capacity of pile foundation.Boring and expanding bottom pile is the new pile-type of carrying out Improvement and perfection to construction and being formed in straight pile foundation.Boring and expanding bottom pile have reliable in quality, advanced technology, wide accommodation, supporting capacity strong, vibrate the technical advantages such as little, noise is low, and the duration is short.
Current domestic expansion subdrilling facility mainly adopt mechanical type to drive, rely on drilling rod pressurization or on carry adopt mechanical system drive expand the wing, there is following problem in existing expansion subdrilling facility: (1) reaming with fetch earth, clear hole is separated, after ream operation completes, fetch earth, clear hole separately has special step to complete, complex procedures; Easily cave at the bottom of hole wall instability, hole, it is poor that stake is shaped, and inner hole deposition slag is difficult to clean out, and efficiency of construction is low; (2) do not have specific detection and control means, mainly rely on experiential operating, quality, the precision of ream drilling pore-forming cannot ensure, are difficult to the requirement reaching design.
Summary of the invention
The utility model mainly solves the deficiencies in the prior art, there is provided in a kind of pore forming process and do not need more bit change, integrate boring, reaming, fetch earth, drilled-hole inspecting, hole wall is stable, bellout diameter is accurate, reaming precision is high, speed of fulfiling hole is fast, efficiency is high, construction safety, and bamboo joint pile of can constructing, in a boring, realize repeatedly reaming, be specially adapted to the working collection of underreamed bored pile native formula hydraulic foundation expansion drilling facility.
To achieve these goals, the technical solution of the utility model is:
Collect native formula hydraulic foundation expansion drilling facility, comprise adpting flange, centralizer, rotating shaft, the expansion wing, cutting element, spearhead bar, connecting rod ASSY, spearhead seat, wear rib, fixing front wing, hydraulic jack, guiding mechanism, slide mechanism, supporting mechanism, base plate, centering point, hinged system, fixing rear wing, upper cover plate.
Described adpting flange, described centralizer, described wear rib and described upper cover plate form upper cover plate assembly; Described spearhead seat (8), described centering point, described hinged system and described base plate form lower shoe assembly; Described guiding mechanism is positioned at drilling tool center, and is fixedly connected with described supporting mechanism with described adpting flange respectively; Described fixing front wing and described fixing rear wing are fixedly connected with described supporting mechanism with described upper cover plate assembly, described lower shoe assembly respectively; Described slide mechanism and described guiding mechanism matched in clearance; Described connecting rod ASSY respectively with described slide mechanism and described expansion wing chain connection; The outer ledge of the described expansion wing is provided with cutting element; Described spearhead bar can rotate in described supporting mechanism and spearhead seat.
Preferably, described centralizer external surface is evenly arranged wear rib described in some groups, has wearable correcting, stablizes hole wall effect.
Preferably, described hydraulic jack has two, and described hydraulic jack is vertically arranged on the both sides of described guiding mechanism respectively; The rod chamber end of described hydraulic jack and rodless cavity end are always in the hinge connection with described slide mechanism and described upper cover plate respectively.
Preferably, described fixing front wing is connected by described shaft hinge with the described expansion wing respectively with described fixing rear wing; Described fixing front wing, described fixing rear wing and the described expansion wing are concentric isometrical circle; It is cone that the described expansion wing rotates top when expanding the wing, and bottom is cylinder.
Preferably, described hydraulic jack is built-in with displacement transducer, and in ream drilling construction, real time data detects and expands end size; Described hydraulic jack rectilinear motion is converted into the rotary motion of the described expansion wing 4 after passing through to drive the Mechanical course sychronisation of described slide mechanism and described connecting rod ASSY composition, realize boring, reaming, fetch earth, drilled-hole inspecting one function.
Preferably, rotate described spearhead bar and open described lower shoe assembly, realize unloading native function.
The beneficial effects of the utility model are:
There is provided a kind of collection native formula hydraulic foundation expansion drilling facility, be specially adapted to underreamed bored pile construction and use.Collect native formula hydraulic foundation expansion drilling facility and do not need more bit change in expansion end construction pore-creating operation process, integrate boring, reaming, fetch earth, drilled-hole inspecting, possess that hole wall is stable, bellout diameter accurately, reaming precision is high, speed of fulfiling hole is fast, efficiency is high, the advantages such as construction safety.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is the front view collecting native formula hydraulic foundation expansion drilling facility;
Fig. 2 is that partial sectional view is looked on the right side of Fig. 1;
Fig. 3 is the top view of Fig. 1;
1. adpting flanges, 2. centralizer, 3. rotating shaft in figure, 4. expand the wing, 5. cutting element, 6. spearhead bar, 7. connecting rod ASSY, 8. spearhead seat, 9. wear rib, 10. fixing front wing, 11. hydraulic jacks, 12. guiding mechanisms, 13. slide mechanisms, 14. supporting mechanisms, 15. base plates, 16. centering points, 17. hinged systems, 18. fixing rear wings, 19. upper cover plates.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme described in the utility model is further described.
As shown in Figure 1, 2, 3, the collection soil formula hydraulic foundation expansion drilling facility that the utility model describes, its structure mainly comprises adpting flange 1, centralizer 2, rotating shaft 3, the expansion wing 4, cutting element 5, spearhead bar 6, connecting rod ASSY 7, spearhead seat 8, wear rib 9, fixing front wing 10, hydraulic jack 11, guiding mechanism 12, slide mechanism 13, supporting mechanism 14, base plate 15, centering point 16, hinged system 17, fixing rear wing 18, upper cover plate 19.
Described adpting flange 1, described centralizer 2, described wear rib 9 form upper cover plate assembly with described upper cover plate 19; Described spearhead seat 8, described centering point 16, described hinged system 17 form lower shoe assembly with described base plate 15; Described guiding mechanism 12 is positioned at drilling tool center, and is fixedly connected with described supporting mechanism 14 with described adpting flange 1 respectively; Described fixing front wing 10 is fixedly connected with described supporting mechanism 14 with described upper cover plate assembly, described lower shoe assembly respectively with described fixing rear wing 18; Described slide mechanism 13 and described guiding mechanism 12 matched in clearance; Described connecting rod ASSY 7 respectively with described slide mechanism 13 and the described expansion wing 4 chain connection; The outer ledge of the described expansion wing 4 is provided with cutting element 5; Described spearhead bar 6 can rotate in described supporting mechanism 14 and spearhead seat 8.
Described centralizer 2 external surface is evenly arranged wear rib 9 described in some groups, has wearable correcting, stablizes hole wall effect.
Described hydraulic jack 11 has two, and described hydraulic jack 11 is vertically arranged on the both sides of described guiding mechanism 12 respectively; The rod chamber end of described hydraulic jack 11 and rodless cavity end are always in the hinge connection with described slide mechanism 13 and described upper cover plate respectively.
Described fixing front wing 10 and described fixing rear wing 18 respectively with the described expansion wing 4 by described rotating shaft 3 chain connection; Described fixing front wing 10, described fixing rear wing 18 and the described expansion wing 4 are concentric isometrical circle; It is cone that the described expansion wing 4 rotates top when expanding the wing, and bottom is cylinder.
Described hydraulic jack 11 is built-in with displacement transducer, and in ream drilling construction, real time data detects and expands end size; Movement velocity and the stroke of described hydraulic jack 11 are all controlled; Described hydraulic jack 11 rectilinear motion is converted into the rotary motion of the described expansion wing 4 after passing through the Mechanical course sychronisation driving described slide mechanism 13 and described connecting rod ASSY 7 to form, more bit change is not needed in construction pore-creating operation process, integrate boring, reaming, fetch earth, drilled-hole inspecting, have that hole wall is stable, reaming precision is high, speed of fulfiling hole is fast, efficiency is high, the features such as construction safety.
Rotate described spearhead bar 6 and open described lower shoe assembly, realize unloading native function.
The utility model embodiment in use, needs first to be arranged on the drilling rod square toes of rotary drilling rig by adpting flange 1, and the oil circuit on rotary drilling rig is connected to hydraulic jack 11.After drilling tool being put into precalculated position at the bottom of expanded bore pile hole, drilling rod drives this drilling tool to rotate, hydraulic jack 11 piston rod stretches out, drive slide mechanism 13 along guiding mechanism 12 slide downward, connecting rod ASSY 7 links and pushes fixing front wing 10 and fixing rear wing 18 open to inner rotary and carries out rotation limit, limit cutting edge and fetch earth, and realizes boring, reaming and fetches earth synchronous; After having constructed, hydraulic jack 11 piston rod stretches out, and drive slide mechanism 13 along guiding mechanism 12 upward sliding, connecting rod ASSY 7 links, and fixing front wing 10 and fixing rear wing 18 rotate to regain closes, and around native slag is extruded in drilling tool cavity, takes stake holes out of; Rotate spearhead bar 6, lower shoe assembly is opened, and is laid down by dregs in drilling tool.In reaming work progress, control panel carries out real time data detection to the movement velocity of hydraulic jack 11 and stroke by inbuilt displacement sensor, thus realize bellout diameter accurately, reaming precision is high.
Be more than preferred embodiment of the present utility model, all changes done according to technical solutions of the utility model, when the function produced does not exceed the scope of technical solutions of the utility model, all belong to protection domain of the present utility model.
Claims (6)
1. collect native formula hydraulic foundation expansion drilling facility, it is characterized in that, comprise adpting flange (1), centralizer (2), rotating shaft (3), the expansion wing (4), cutting element (5), spearhead bar (6), connecting rod ASSY (7), spearhead seat (8), wear rib (9), fixing front wing (10), hydraulic jack (11), guiding mechanism (12), slide mechanism (13), supporting mechanism (14), base plate (15), centering point (16), hinged system (17), fixing rear wing (18), upper cover plate (19);
Described adpting flange (1), described centralizer (2), described wear rib (9) and described upper cover plate (19) form upper cover plate assembly; Described spearhead seat (8), described centering point (16), described hinged system (17) form lower shoe assembly with described base plate (15); Described guiding mechanism (12) is positioned at drilling tool center, and is fixedly connected with described supporting mechanism (14) with described adpting flange (1) respectively; Described fixing front wing (10) is fixedly connected with described supporting mechanism (14) with described upper cover plate assembly, described lower shoe assembly respectively with described fixing rear wing (18); Described slide mechanism (13) and described guiding mechanism (12) matched in clearance; Described connecting rod ASSY (7) respectively with described slide mechanism (13) and the described expansion wing (4) chain connection; The described expansion wing (4) outer ledge is provided with cutting element (5); Described spearhead bar (6) can be rotated in described supporting mechanism (14) and spearhead seat (8).
2., by collection according to claim 1 native formula hydraulic foundation expansion drilling facility, it is characterized in that, described centralizer (2) external surface is evenly arranged wear rib described in some groups (9), has wearable correcting, stablizes hole wall effect.
3., by collection according to claim 1 native formula hydraulic foundation expansion drilling facility, it is characterized in that, described hydraulic jack (11) has two, and described hydraulic jack (11) is vertically arranged on the both sides of described guiding mechanism (12) respectively; The rod chamber end of described hydraulic jack (11) and rodless cavity end are always in the hinge connection with described slide mechanism (13) and described upper cover plate respectively.
4. by collection according to claim 1 native formula hydraulic foundation expansion drilling facility, it is characterized in that, described fixing front wing (10) and described fixing rear wing (18) respectively with the described expansion wing (4) by described rotating shaft (3) chain connection; Described fixing front wing (10), described fixing rear wing (18) and the described expansion wing (4) are concentric isometrical circle; During the described expansion wing (4) the rotation expansion wing, top is cone, and bottom is cylinder.
5. by collection according to claim 1 native formula hydraulic foundation expansion drilling facility, it is characterized in that, described hydraulic jack (11) is built-in with displacement transducer, and in ream drilling construction, real time data detects and expands end size; Described hydraulic jack (11) rectilinear motion is converted into the rotary motion of the described expansion wing (4) after passing through the Mechanical course sychronisation driving described slide mechanism (13) and described connecting rod ASSY (7) to form.
6. by collection according to claim 1 native formula hydraulic foundation expansion drilling facility, it is characterized in that, rotate described spearhead bar (6) and open described lower shoe assembly, realize unloading native function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910369.6U CN205135426U (en) | 2015-11-17 | 2015-11-17 | Soil-collecting type hydraulic bottom-expanding drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910369.6U CN205135426U (en) | 2015-11-17 | 2015-11-17 | Soil-collecting type hydraulic bottom-expanding drilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN205135426U true CN205135426U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520910369.6U Active CN205135426U (en) | 2015-11-17 | 2015-11-17 | Soil-collecting type hydraulic bottom-expanding drilling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344764A (en) * | 2019-07-26 | 2019-10-18 | 范茂丰 | Base expanding and base expanding reperfusion pile mechanical piling device and its pile making method |
| CN113982488A (en) * | 2021-09-10 | 2022-01-28 | 浙江天弘机器人科技有限公司 | Deep foundation pit tunneling robot and operation method thereof |
-
2015
- 2015-11-17 CN CN201520910369.6U patent/CN205135426U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110344764A (en) * | 2019-07-26 | 2019-10-18 | 范茂丰 | Base expanding and base expanding reperfusion pile mechanical piling device and its pile making method |
| CN113982488A (en) * | 2021-09-10 | 2022-01-28 | 浙江天弘机器人科技有限公司 | Deep foundation pit tunneling robot and operation method thereof |
| CN113982488B (en) * | 2021-09-10 | 2024-03-26 | 浙江天弘机器人科技有限公司 | Deep foundation pit tunneling robot and operation method thereof |
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