CN204476331U - A kind of geological drilling corrugated expansion pipe retaining wall bloat tool - Google Patents
A kind of geological drilling corrugated expansion pipe retaining wall bloat tool Download PDFInfo
- Publication number
- CN204476331U CN204476331U CN201420793297.7U CN201420793297U CN204476331U CN 204476331 U CN204476331 U CN 204476331U CN 201420793297 U CN201420793297 U CN 201420793297U CN 204476331 U CN204476331 U CN 204476331U
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- China
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- slide mass
- guide holder
- retaining wall
- sliding shoe
- expansion pipe
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Abstract
A kind of geological drilling corrugated expansion pipe retaining wall bloat tool, belongs to the drilling equipment technical field of soil layer or rock, comprises tool joint, slide mass guide holder, slide mass assembly and hydraulic pressure cylinder assembly; Described tool joint upper end and drilling rod are fixed and are assembled, and lower end and slide mass guide holder upper end are fixed and assembled; Described slide mass guide holder lower end and hydraulic pressure cylinder assembly are fixing to be assembled, and the middle part of slide mass guide holder is frustum structure, its outer conical surface is arranged one group with the slide unit of slide mass component matching; Described slide mass assembly is made up of the sliding shoe that a group is evenly arranged along slide mass guide holder outer conical surface circumference, described sliding shoe is fixed by screw and hydraulic pressure cylinder assembly and is assembled, sliding shoe moves up along the slide unit in slide mass guide holder outer conical surface under hydraulic pressure cylinder assembly drives, and slide mass external cylindrical surface diameter is increased.The utility model improves the universal performance of expansion tube retaining wall, is difficult to find the problem of mating expansion tube with boring aperture when solving complex stratigraphic drilling punching.
Description
Technical field
The utility model relates to a kind of geological drilling corrugated expansion pipe retaining wall bloat tool, and especially a kind of reducing geological drilling corrugated expansion pipe retaining wall bloat tool of hydraulic control, belongs to the drilling equipment technical field of soil layer or rock.
Background technology
In geological drilling construction process, borehole wall-protection is one of technological means solving a complex stratigraphic drilling difficult problem, and borehole wall-protection technology mainly adopts cement rendering dado and sleeve pipe retaining wall two kinds of forms.Wherein cement rendering dado is longer for duty cycle, affects drilling progress; And ordinary casing retaining wall need reserve multilayer sleeve when hole body designs, there is aperture and reduce large problem, therefore both having extended the drilling cycle turn increases drilling cost, particularly when complex stratigraphic drilling punches, the restriction of the factors such as core diameter is got by sleeve pipe sum of series, cause being difficult to find the sleeve pipe matched with boring aperture, have impact on whole hole quality.
Utility model content
The purpose of this utility model is the drawback for prior art, there is provided a kind of to be driven by hydraulic system, bloat tool diameter consecutive variations can be realized, make corrugated expansion pipe retaining wall expanded diameter be not less than the geological drilling corrugated expansion pipe retaining wall bloat tool of former bore diameter.
Problem described in the utility model is solved by following technical proposals:
A kind of geological drilling corrugated expansion pipe retaining wall bloat tool, comprises tool joint, slide mass guide holder, slide mass assembly and hydraulic pressure cylinder assembly; Described tool joint upper end and drilling rod are fixed and are assembled, and lower end and slide mass guide holder upper end are fixed and assembled; Described slide mass guide holder lower end and hydraulic pressure cylinder assembly are fixing to be assembled, and the middle part of slide mass guide holder is the frustum structure that upper end diameter is large, lower end diameter is little, its outer conical surface is arranged one group with the slide unit of slide mass component matching; Described slide mass assembly is made up of the sliding shoe that a group is evenly arranged along slide mass guide holder outer conical surface circumference, described sliding shoe is fixed by screw and hydraulic pressure cylinder assembly and is assembled, sliding shoe moves up along the slide unit in slide mass guide holder outer conical surface under hydraulic pressure cylinder assembly drives, and slide mass external cylindrical surface diameter is increased.
Above-mentioned geological drilling corrugated expansion pipe retaining wall bloat tool, the slide unit in described slide mass guide holder outer conical surface is dove-tail form slide unit, and dove-tail form slide unit is provided with the elongated through-holes groove with screw mates.
Above-mentioned geological drilling corrugated expansion pipe retaining wall bloat tool, described sliding shoe inside wall is the part pyramid like configuration mated with slide mass guide holder outer conical surface, sliding shoe inside wall is provided with dove-tail form chute, described dove-tail form chute mates with dove-tail form slide unit in slide mass guide holder outer conical surface, described sliding shoe lateral wall the first half is the face of cylinder, the latter half is the taper seat that upper end diameter is large, lower end diameter is little, and the described face of cylinder is provided with bolt fitting holes.
Above-mentioned geological drilling corrugated expansion pipe retaining wall bloat tool, described tool joint and slide mass guide holder are provided with mutually through cylindrical cavity, in described cylindrical cavity, flexible pipe is set, described flexible pipe upper end is provided with hose coupling, described hose coupling is sleeved in the cavity of tool joint upper end, and fixed by stop nut, hose coupling is provided with the liquid communication upper channel with soft pipe connection.
Above-mentioned geological drilling corrugated expansion pipe retaining wall bloat tool, described hose coupling is provided with one group of tube connector joint sealing ring fitted tightly with tool joint inwall static state.
Above-mentioned geological drilling corrugated expansion pipe retaining wall bloat tool, described hydraulic pressure cylinder assembly is made up of cylinder body and piston rod; Described cylinder body upper end and slide mass guide holder are fixed and are assembled, and lower end is provided with plug; Described piston rod is placed in inner chamber of cylinder block, portion is provided with the discoid boss for fixing slide mass on the piston rod, described boss be provided with one group with the screwed hole of sliding shoe quantity Matching, piston rod axis direction is provided with the liquid communication lower passage with soft pipe connection.
Above-mentioned geological drilling corrugated expansion pipe retaining wall bloat tool, described piston-rod lower end is provided with one group of piston rod packing ring dynamically fitted tightly with inboard wall of cylinder block.
Above-mentioned geological drilling corrugated expansion pipe retaining wall bloat tool, in described tool joint and the mutually through cylindrical cavity of slide mass guide holder, be provided with back-moving spring, described back-moving spring is sleeved on the outside of flexible pipe, is installed between hose coupling and piston rod boss.
The middle part of slide mass guide holder is designed to the frustum structure that upper end diameter is large, lower end diameter is little by geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model, and arrange in its outer conical surface one group with the slide unit of slide mass component matching, when in hydraulic pressure cylinder assembly, piston rod moves under driving slide mass assembly from bottom to top, in slide mass assembly, on sliding shoe inside wall, dove-tail form chute slides on the dove-tail form slide unit of slide mass guide holder outer conical surface, the slide mass top external cylindrical surface diameter be made up of sliding shoe is increased, expansion tube retaining wall is strutted.Because the sliding shoe of geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model is along in the dove-tail form slide unit sliding process of slide mass guide holder outer conical surface, the slide mass top external cylindrical surface diameter be made up of sliding shoe increases continuously, therefore the hole wall can holed with different-diameter after making expansion tube retaining wall expand mates, improve the universal performance of expansion tube retaining wall, be difficult to find the problem of mating sleeve pipe with boring aperture when solving complex stratigraphic drilling punching, reach the object preventing borehole collapse, undergauge, ensure that boring whole hole quality.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is geological drilling corrugated expansion pipe retaining wall bloat tool structural representation described in the utility model;
Fig. 2 is A-A cross-sectional view in Fig. 1;
Fig. 3 is B-B cross-sectional view in Fig. 1;
Fig. 4 is slide mass guide seat structure schematic diagram in geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model;
Fig. 5 is C-C cross-sectional view in Fig. 4;
Fig. 6 is D-D cross-sectional view in Fig. 4;
Fig. 7 is sliding shoe structural representation in geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model;
Fig. 8 is E-E cross-sectional view in Fig. 7;
Fig. 9 is F-F cross-sectional view in Fig. 7;
Figure 10 is the main sectional view of piston rod in geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model;
Figure 11 is the main sectional view of hose coupling in geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model;
Figure 12 is geological drilling corrugated expansion pipe retaining wall bloat tool operating principle schematic diagram described in the utility model;
Figure 13 is geological drilling corrugated expansion pipe retaining wall bloat tool course of work schematic diagram described in the utility model.
In figure, each list of reference numerals is: 1, stop nut, 2, tool joint, 3, slide mass guide holder, 3-1, dove-tail form slide unit, 3-2, elongated through-holes groove, 4, sliding shoe, 4-1, bolt fitting holes, 4-2, dove-tail form chute, 5, cylinder body, 6, plug, 7, piston rod, 7-1, boss, 7-2, screwed hole, 7-3, liquid communication lower passage, 7-4, piston rod packing ring, 8, screw, 9, flexible pipe, 10, back-moving spring, 11, hose coupling, 11-1, liquid communication upper channel, 11-2, hose coupling joint ring.
Detailed description of the invention
Referring to Fig. 1, Fig. 2 and Fig. 3, geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model comprises tool joint 2, slide mass guide holder 3, slide mass assembly and hydraulic pressure cylinder assembly; Described tool joint 2 upper end and drilling rod are fixed and are assembled, and lower end and slide mass guide holder 3 upper end are fixed and assembled; Described slide mass guide holder 3 lower end and hydraulic pressure cylinder assembly are fixing to be assembled, and the middle part of slide mass guide holder is the frustum structure that upper end diameter is large, lower end diameter is little, its outer conical surface is arranged one group with the slide unit of slide mass component matching; Described slide mass assembly is made up of the sliding shoe 4 that a group is evenly arranged along slide mass guide holder 3 outer conical surface circumference, described sliding shoe 4 assembles by screw 8 and hydraulic pressure cylinder assembly are fixing, sliding shoe 4 moves up along the slide unit in slide mass guide holder outer conical surface under hydraulic pressure cylinder assembly drives, and slide mass external cylindrical surface diameter is increased.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, slide unit in geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model in slide mass guide holder 3 outer conical surface is dove-tail form slide unit 3-1, and dove-tail form slide unit 3-1 is provided with the elongated through-holes groove 3-2 with screw mates.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 7, Fig. 8 and Fig. 9, in geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model, the inside wall of sliding shoe 4 is the part pyramid like configuration mated with slide mass guide holder outer conical surface, the inside wall of sliding shoe 4 is provided with dove-tail form chute 4-2, described dove-tail form chute 4-2 mates with dove-tail form slide unit 3-1 in slide mass guide holder outer conical surface, described sliding shoe 4 lateral wall the first half is the face of cylinder, the latter half is the taper seat that upper end diameter is large, lower end diameter is little, and the described face of cylinder is provided with bolt fitting holes 4-1.
Referring to Fig. 1, Fig. 2, Fig. 3 and Figure 11, in geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model, tool joint 2 and slide mass guide holder 3 are provided with mutually through cylindrical cavity, flexible pipe 9 is set in described cylindrical cavity, described flexible pipe 9 upper end is provided with hose coupling 11, described hose coupling 11 is sleeved in the cavity of tool joint 2 upper end, and fixed by stop nut 1, hose coupling 11 is provided with the liquid communication upper channel 11-1 be communicated with flexible pipe 9, hose coupling 11 is also provided with one group of tube connector joint sealing ring 11-2 fitted tightly with tool joint inwall static state.
Referring to Fig. 1, Fig. 2, Fig. 3 and Figure 10, in geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model, hydraulic pressure cylinder assembly is made up of cylinder body 5 and piston rod 7; Described cylinder body 5 upper end and slide mass guide holder 3 are fixed and are assembled, and lower end is provided with plug 6; Described piston rod 7 is placed in cylinder body 5 inner chamber, the discoid boss 7-1 for fixing slide mass is provided with on piston rod 7 top, described boss 7-1 be provided with one group with the screwed hole 7-2 of sliding shoe quantity Matching, piston rod 7 axis direction is provided with the liquid communication lower passage 7-3 be communicated with flexible pipe 9, is also provided with one group of piston rod packing ring 7-4 dynamically fitted tightly with inboard wall of cylinder block in piston rod 7 lower end.
Referring to Fig. 2, in geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model, back-moving spring 10 is provided with in the cylindrical cavity that described tool joint 2 is mutually through with slide mass guide holder 3, described back-moving spring 10 is sleeved on the outside of flexible pipe 9, between the boss 7-1 being installed on hose coupling 11 and piston rod 7.
Referring to Figure 12, Figure 13, the operating principle of geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model is: tool joint 2 upper end is connected with drilling rod, drilling rod pressurizes downwards, simultaneously to pumping liquid in drilling rod, liquid is by liquid communication upper channel 11-1 in hose coupling 11, in flexible pipe 9 and piston rod 7, liquid communication lower passage 7-3 enters and is formed in annular seal space between piston rod 7 lower surface and plug 6 upper surface, along with in annular seal space, fluid pressure increases gradually, promote piston rod 7 to move up, back-moving spring 10 is compressed, sliding shoe 4 moves up along the dove-tail form slide unit 3-1 in slide mass guide holder 3 outer conical surface simultaneously, the slide mass top external cylindrical surface diameter be made up of sliding shoe 4 is increased (as shown in Figure 13, slide mass top external cylindrical surface diameter is increased to φ 2 by φ 1), expansion tube retaining wall struts by slide mass top external cylindrical surface.Because the sliding shoe 4 of geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model is along in the dove-tail form slide unit 3-1 sliding process of slide mass guide holder outer conical surface, the slide mass top external cylindrical surface diameter be made up of sliding shoe 4 increases continuously, and the hole wall can holed with different-diameter after therefore making expansion tube retaining wall expand mates.
Referring to Figure 12, Figure 13, a specific embodiment of geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model is that corrugated expansion pipe retaining wall adopts slot expansion tube, in such cases, slot expansion tube to be expanded is connected by pin with the conical surface of movable block 4, slot expansion tube being put into boring front to needing retaining wall section to carry out reaming, then by drilling rod, slot expansion tube being transferred to precalculated position; Drilling rod pressurizes downwards, cuts off the pin connecting slot expansion tube and sliding shoe 4; Pumping liquid in drilling rod, under fluid pressure effect, piston rod 7 drives sliding shoe 4 to move up along the dove-tail form slide unit 3-1 in slide mass guide holder 3 outer conical surface; While making sliding shoe 4 moves to bloat tool internal pressurization, make it move down to drilling rod rotary presser, when sliding shoe 4 arrives upper limit position, the slide mass top external cylindrical surface diameter be made up of sliding shoe 4 increases to and is more than or equal to retaining wall section aperture size; Drilling rod continues rotation and moves down, until the complete expansion of whole slot expansion tube is to setting size; Stop to pumping liquid in drilling rod, piston rod 7 and sliding shoe 4 slide to initial position down gradually under the effect of back-moving spring 10, on carry drilling rod geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model is carried to boring outside, corrugated expansion pipe retaining wall expansion work is complete, now slot expansion tube internal diameter is more than or equal to bore diameter, makes slot expansion tube fit tightly on the inwall of boring.
Referring to Figure 12, Figure 13, the other embodiment of geological drilling corrugated expansion pipe retaining wall bloat tool described in the utility model is the employing of corrugated expansion pipe retaining wall is solid expansion pipe or entity corrugated expansion pipe, need in such cases in advance solid expansion pipe or entity corrugated expansion pipe to be carried out hydraulic pressure pwc expansion, when the internal diameter of solid expansion pipe or entity corrugated expansion pipe being expanded to close to or being greater than the diameter of lower hand-hole, under enter corrugated expansion pipe retaining wall bloat tool described in the utility model, carry out the expansion process of above-mentioned slot expansion tube equally, solid expansion pipe or entity corrugated expansion pipe internal diameter are tested and advised circle, solid expansion pipe or entity corrugated expansion pipe internal diameter is made to be more than or equal to foramen primum diameter.
Claims (8)
1. a geological drilling corrugated expansion pipe retaining wall bloat tool, is characterized in that, it comprises tool joint (2), slide mass guide holder (3), slide mass assembly and hydraulic pressure cylinder assembly; Described tool joint (2) upper end and drilling rod are fixed and are assembled, and lower end and slide mass guide holder (3) upper end are fixed and assembled; Described slide mass guide holder (3) lower end and hydraulic pressure cylinder assembly are fixing to be assembled, and the middle part of slide mass guide holder is the frustum structure that upper end diameter is large, lower end diameter is little, its outer conical surface is arranged one group with the slide unit of slide mass component matching; Described slide mass assembly is made up of the sliding shoe (4) that a group is evenly arranged along slide mass guide holder (3) outer conical surface circumference, described sliding shoe (4) assembles by screw (8) and hydraulic pressure cylinder assembly are fixing, sliding shoe (4) moves up along the slide unit in slide mass guide holder outer conical surface under hydraulic pressure cylinder assembly drives, and slide mass external cylindrical surface diameter is increased.
2. geological drilling corrugated expansion pipe retaining wall bloat tool according to claim 1, it is characterized in that, slide unit in described slide mass guide holder (3) outer conical surface is dove-tail form slide unit (3-1), and dove-tail form slide unit (3-1) is provided with the elongated through-holes groove (3-2) with screw mates.
3. geological drilling corrugated expansion pipe retaining wall bloat tool according to claim 2, it is characterized in that, the inside wall of described sliding shoe (4) is the part pyramid like configuration mated with slide mass guide holder outer conical surface, the inside wall of sliding shoe (4) is provided with dove-tail form chute (4-2), described dove-tail form chute (4-2) is mated with dove-tail form slide unit (3-1) in slide mass guide holder outer conical surface, described sliding shoe (4) lateral wall the first half is the face of cylinder, the latter half is that upper end diameter is large, the taper seat that lower end diameter is little, the described face of cylinder is provided with bolt fitting holes (4-1).
4. the geological drilling corrugated expansion pipe retaining wall bloat tool according to any one of claims 1 to 3, it is characterized in that, described tool joint (2) and slide mass guide holder (3) are provided with mutually through cylindrical cavity, flexible pipe (9) is set in described cylindrical cavity, described flexible pipe (9) upper end is provided with hose coupling (11), described hose coupling (11) is sleeved in the cavity of tool joint (2) upper end, and fixed by stop nut (1), hose coupling (11) is provided with the liquid communication upper channel (11-1) be communicated with flexible pipe (9).
5. geological drilling corrugated expansion pipe retaining wall bloat tool according to claim 4, is characterized in that, described hose coupling (11) is provided with one group of tube connector joint sealing ring (11-2) fitted tightly with tool joint inwall static state.
6. geological drilling corrugated expansion pipe retaining wall bloat tool according to claim 5, is characterized in that, described hydraulic pressure cylinder assembly is made up of cylinder body (5) and piston rod (7); Described cylinder body (5) upper end and slide mass guide holder (3) are fixed and are assembled, and lower end is provided with plug (6); Described piston rod (7) is placed in cylinder body (5) inner chamber, the discoid boss (7-1) for fixing slide mass is provided with on piston rod (7) top, described boss (7-1) be provided with one group with the screwed hole (7-2) of sliding shoe quantity Matching, piston rod (7) axis direction is provided with the liquid communication lower passage (7-3) be communicated with flexible pipe (9).
7. geological drilling corrugated expansion pipe retaining wall bloat tool according to claim 6, is characterized in that, described piston rod (7) lower end is provided with one group of piston rod packing ring (7-4) dynamically fitted tightly with inboard wall of cylinder block.
8. geological drilling corrugated expansion pipe retaining wall bloat tool according to claim 7, it is characterized in that, back-moving spring (10) is provided with in the cylindrical cavity that described tool joint (2) and slide mass guide holder (3) are mutually through, described back-moving spring (10) is sleeved on the outside of flexible pipe (9), between the boss (7-1) being installed on hose coupling (11) and piston rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420793297.7U CN204476331U (en) | 2014-12-16 | 2014-12-16 | A kind of geological drilling corrugated expansion pipe retaining wall bloat tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420793297.7U CN204476331U (en) | 2014-12-16 | 2014-12-16 | A kind of geological drilling corrugated expansion pipe retaining wall bloat tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204476331U true CN204476331U (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420793297.7U Withdrawn - After Issue CN204476331U (en) | 2014-12-16 | 2014-12-16 | A kind of geological drilling corrugated expansion pipe retaining wall bloat tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204476331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712275A (en) * | 2014-12-16 | 2015-06-17 | 中国地质科学院勘探技术研究所 | Protective wall expansion conical head of geological drilling corrugated expansion pipe |
| US20220118530A1 (en) * | 2018-02-02 | 2022-04-21 | J.H. Fletcher & Co. | Quick-release coupling for drilling and related methods |
-
2014
- 2014-12-16 CN CN201420793297.7U patent/CN204476331U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712275A (en) * | 2014-12-16 | 2015-06-17 | 中国地质科学院勘探技术研究所 | Protective wall expansion conical head of geological drilling corrugated expansion pipe |
| CN104712275B (en) * | 2014-12-16 | 2017-05-24 | 中国地质科学院勘探技术研究所 | Protective wall expansion conical head of geological drilling corrugated expansion pipe |
| US20220118530A1 (en) * | 2018-02-02 | 2022-04-21 | J.H. Fletcher & Co. | Quick-release coupling for drilling and related methods |
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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 | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150715 Effective date of abandoning: 20170524 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150715 Effective date of abandoning: 20170524 |