CN204212714U - A kind of horizontal directional drilling machine creeps into uses warning drilling rod - Google Patents
A kind of horizontal directional drilling machine creeps into uses warning drilling rod Download PDFInfo
- Publication number
- CN204212714U CN204212714U CN201420671950.2U CN201420671950U CN204212714U CN 204212714 U CN204212714 U CN 204212714U CN 201420671950 U CN201420671950 U CN 201420671950U CN 204212714 U CN204212714 U CN 204212714U
- Authority
- CN
- China
- Prior art keywords
- bar body
- flushing liquor
- drill rod
- hollow straight
- rod body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 51
- 238000011010 flushing procedure Methods 0.000 claims abstract description 42
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 230000002262 irrigation Effects 0.000 claims abstract description 20
- 238000003973 irrigation Methods 0.000 claims abstract description 20
- 230000000630 rising effect Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
A kind of horizontal directional drilling machine creeps into uses warning drilling rod, comprise drill rod body, female joint is fixed with in the rear end of drill rod body, the inside of female joint is provided with flushing liquor admission chamber, male joint is fixed with in the front end of drill rod body, the inside of male joint is provided with flushing liquor and goes out sap cavity, hollow straight-bar body is provided with in the inside of drill rod body, the inner chamber of described hollow straight-bar body is set to go out with flushing liquor admission chamber and flushing liquor the passage of irrigation fluid I that sap cavity communicates, between the outer wall of hollow straight-bar body and the inwall of drill rod body, chamber is set to passage of irrigation fluid II, flushing liquor gauge tap is provided with in the front of hollow straight-bar body.The utility model utilizes hollow straight-bar body; spool is forced to move forward along valve seat gathering sill under the resistance of Compress Spring; spool is made automatically to close flushing liquor through-flow channel; thus earth's surface slush pump gage indicates sharply rising to send alarm; protect drilling rod to avoid overbending distortion occurs, extend the application life of drilling rod.
Description
Technical field
The utility model relates to a kind of laying project field of non-excavation underground pipeline, particularly a kind of horizontal directional drilling machine and creeps into and use warning drilling rod.
Background technology
The application of Horizontal Directional Drilling in trenchless pipelaying engineering is very extensive, and piping work is generally divided into three phases, namely pilot hole creep into, pull back reaming and pipe laying.Pilot hole refers to that first that utilize band inclined-plane, that diameter is less drill bit forms the guide hole of minor diameter, for follow-up reaming and pipe laying provide guidance function according to predetermined planned course.In work progress, drilling rod is as the instrument of underground job, working condition is complicated and changeable, very different, practical experience tells that the greatest danger of our drilling rod fatigue is exactly excessive break-in, so-called excessively break-in refers to the break-in of the specified minimum bending radius exceeding drilling rod, excessive break-in is the reason causing drill pipe wear, and drilling rod can be caused to fracture.Because drilling rod during directional drilling break-in can produce the bending of certain amount of deflection in practice of construction, drilling rod break-in mainly contains following three kinds: by the section of burying adjust to vertical direction when horizontal segment changes bending break-in, to be adjusted to unearthed section by horizontal segment time the bending break-in of vertical direction and guiding time need walk around the bending break-in of the horizontal or vertical direction of underground obstacle.But the polytropy in practice of construction process because starter direction in guiding process is very difficult true Accurate Measurement, so how to ensure that drilling rod does not exceed the specified minimum bending radius of drilling rod when break-in, just becomes technical issues that need to address.
Summary of the invention
The technical problems to be solved in the utility model is for the deficiencies in the prior art, and propose one and avoid drilling rod generation overbending to be out of shape, the horizontal directional drilling machine that can extend drilling life of drill pipe creeps into uses warning drilling rod.
The technical problems to be solved in the utility model is achieved through the following technical solutions, a kind of horizontal directional drilling machine creeps into uses warning drilling rod, comprise drill rod body, female joint is fixed with in the rear end of drill rod body, the inside of female joint is provided with flushing liquor admission chamber, male joint is fixed with in the front end of drill rod body, the inside of male joint is provided with flushing liquor and goes out sap cavity, be characterized in: be provided with the hollow straight-bar body axially parallel with drill rod body in the inside of drill rod body, hollow straight-bar body rear portion is provided with and coordinates the fixed middle boss in determining with drill rod body inwall, the inwall of drill rod body is provided with the positioning spigot coordinated with surely middle boss, the inner chamber of described hollow straight-bar body is set to go out with flushing liquor admission chamber and flushing liquor the passage of irrigation fluid I that sap cavity communicates, between the outer wall of hollow straight-bar body and the inwall of drill rod body, chamber is set to passage of irrigation fluid II, the circumference of surely middle boss is provided with the split channel of some connection passage of irrigation fluid II and flushing liquor admission chamber, flushing liquor gauge tap is provided with in the inside of the front drill rod body of hollow straight-bar body, described flushing liquor gauge tap comprises the valve seat be fixedly connected with drill rod body inwall, valve seat is provided with the flushing liquor through-flow channel going out sap cavity with flushing liquor and communicate, be provided with at the rear portion of valve seat along the axial arranged gathering sill of drill rod body, the spool that slide anteroposterior opens and closes flushing liquor through-flow channel is provided with in gathering sill, Compress Spring is provided with between spool and valve seat, the opening communicated with flushing liquor through-flow channel is had in the rear end of spool, the beloid taper guiding cap coordinated with hollow straight-bar body front end face is provided with at opening part, described hollow straight-bar body front end face to stretch in taper guiding cap and passage of irrigation fluid I and opening just to setting, the through hole of some connection passage of irrigation fluid I and passage of irrigation fluid II is provided with in the front portion of hollow straight-bar body, the positioning step coordinated with taper guiding cap is provided with in the inside of drill rod body.
The technical problems to be solved in the utility model can also be come to realize further by the following technical programs, and described hollow straight-bar body comprises front thin bar body and rear thick bar body, and the rear portion of front thin bar body connects with the front threads of rear thick bar body.
The technical problems to be solved in the utility model can also be come to realize further by the following technical programs, and the outer wall of front thin bar body and rear thick bar body is equipped with handling groove during spanner handling.
The technical problems to be solved in the utility model can also be come to realize further by the following technical programs, is provided with two groups side by side before and after described through hole, and often group is all uniformly distributed along the circumference of front thin bar body.
Compared with prior art, the utility model structure is simple, reliable operation, easy realization, utilize the inside being arranged on drill rod body parallel hollow straight-bar body axial with drill rod body, if there is the excessive break-in of drilling rod in pilot hole drilling process, spool will be forced to move forward along valve seat gathering sill under the resistance of Compress Spring, spool is made automatically to close flushing liquor through-flow channel, thus earth's surface slush pump gage indicates sharply rising to send alarm, like this, decrease the breaking of rod accident that drilling rod occurs because of overbending in underground construction, protect drilling rod to avoid overbending distortion occurs, extend the application life of drilling rod, reduce construction cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
A kind of horizontal directional drilling machine creeps into uses warning drilling rod, comprise drill rod body 5, female joint 1 is fixed with in the rear end of drill rod body 5, the inside of female joint 1 is provided with flushing liquor admission chamber 2, male joint 13 is fixed with in the front end of drill rod body 5, the inside of male joint 13 is provided with flushing liquor and goes out sap cavity 14, it is characterized in that: be provided with the hollow straight-bar body axially parallel with drill rod body in the inside of drill rod body 5, hollow straight-bar body rear portion is provided with and coordinates the fixed middle boss in determining with drill rod body inwall, the inwall of drill rod body is provided with the positioning spigot coordinated with surely middle boss, the inner chamber of described hollow straight-bar body is set to go out with flushing liquor admission chamber and flushing liquor the passage of irrigation fluid I that sap cavity communicates, between the outer wall of hollow straight-bar body and the inwall of drill rod body, chamber is set to passage of irrigation fluid II, the circumference of surely middle boss is provided with the split channel of some connection passage of irrigation fluid II and flushing liquor admission chamber, flushing liquor gauge tap is provided with in the inside of the front drill rod body of hollow straight-bar body, described flushing liquor gauge tap comprises the valve seat be fixedly connected with drill rod body inwall, valve seat 12 is provided with the flushing liquor through-flow channel 11 going out sap cavity with flushing liquor and communicate, be provided with at the rear portion of valve seat 12 along the axial arranged gathering sill of drill rod body, the spool 9 that slide anteroposterior opens and closes flushing liquor through-flow channel is provided with in gathering sill, Compress Spring 10 is provided with between spool 9 and valve seat 12, the opening communicated with flushing liquor through-flow channel is had in the rear end of spool 9, the beloid taper guiding cap 8 coordinated with hollow straight-bar body front end face is provided with at opening part, described hollow straight-bar body front end face to stretch in taper guiding cap and passage of irrigation fluid I and opening just to setting, the through hole of some connection passage of irrigation fluid I and passage of irrigation fluid II is provided with in the front portion of hollow straight-bar body, the positioning step coordinated with taper guiding cap is provided with in the inside of drill rod body.The raw material of described male and female joint are 42CrMo, through blanking, rough turn, modified, half fine turning outer circle, and button chosen by finish turning, and plug ring rule and plug ring light rule are detected, nickel plating phosphorus, tempering, the formation to be welded of car planar end surface; Described drill rod body raw material are 26CrMo, and through blanking, end upsetting, overall modified, surface scale process, alignment, total length carrying out flaw detection, car flat two ends end face and each size of endoporus are formed.The rear end of described Compress Spring keeps close contact with spool all the time, for controlling the operating position of spool.After each of the inside assembling of described drill rod body completes, then carry out friction welding with male and female joint respectively, there is the box supporting with drilling rod the rear end of female joint, and there is the pin thread supporting with drilling rod the front end of male joint, thus realizes this device and be connected with the supporting of drilling rod.
This equipment is installed between first drilling rod be connected with starter and second drilling rod, when guide hole path does not exceed the specified minimum bending radius of drilling rod, flushing liquor can freely flow out from the duct of this device, now this device act as the drilling rod use of a segment length, slush pump gage display service pressure; When there is excessive break-in (namely pilot hole real radius is beyond the specified minimum bending radius of drilling rod) in guide hole process, drill rod body when occuring bending and deformation again because the effect of thin bar body forces spool to move forward along gathering sill under the resistance of Compress Spring before having, the flushing liquor through-flow channel of valve seat is made to be plugged, on the operating desk of earth's surface, slush pump gage indicates sharply to rise and sends alarm, at this moment will return a segment distance, waiting reports to the police stop after guide hole again.By alarm, whether constructor can monitor guide path at any time and use in the specified minimum bending radius of drilling rod, can greatly reduce the breaking of rod accident that drilling rod especially occurs because of overbending when break-in in guide hole process like this.
Described hollow straight-bar body comprises front thin bar body 6 and rear thick bar body 3, and the rear portion of front thin bar body 4 connects with the front threads of rear thick bar body 3; The outer wall of front thin bar body 6 and rear thick bar body 3 is equipped with the handling groove 4 during spanner handling; Be provided with two groups side by side before and after described through hole 7, often group is all uniformly distributed along the circumference of front thin bar body.Described front thin bar body and rear thick bar body raw material are 45#, through rough turn, modified, half finish turning, milling spline, hole milling, and milling is flat, formation of turning blue.Described positioning spigot is for locating rear thick bar body; Described positioning step is for limiting the movable maximum position of spool; The seam of location valve seat is also provided with in the inside of drill rod body.
Claims (4)
1. a horizontal directional drilling machine creeps into and uses warning drilling rod, comprise drill rod body, female joint is fixed with in the rear end of drill rod body, the inside of female joint is provided with flushing liquor admission chamber, male joint is fixed with in the front end of drill rod body, the inside of male joint is provided with flushing liquor and goes out sap cavity, it is characterized in that: be provided with the hollow straight-bar body axially parallel with drill rod body in the inside of drill rod body, hollow straight-bar body rear portion is provided with and coordinates the fixed middle boss in determining with drill rod body inwall, the inwall of drill rod body is provided with the positioning spigot coordinated with surely middle boss, the inner chamber of described hollow straight-bar body is set to go out with flushing liquor admission chamber and flushing liquor the passage of irrigation fluid I that sap cavity communicates, between the outer wall of hollow straight-bar body and the inwall of drill rod body, chamber is set to passage of irrigation fluid II, the circumference of surely middle boss is provided with the split channel of some connection passage of irrigation fluid II and flushing liquor admission chamber, flushing liquor gauge tap is provided with in the inside of the front drill rod body of hollow straight-bar body, described flushing liquor gauge tap comprises the valve seat be fixedly connected with drill rod body inwall, valve seat is provided with the flushing liquor through-flow channel going out sap cavity with flushing liquor and communicate, be provided with at the rear portion of valve seat along the axial arranged gathering sill of drill rod body, the spool that slide anteroposterior opens and closes flushing liquor through-flow channel is provided with in gathering sill, Compress Spring is provided with between spool and valve seat, the opening communicated with flushing liquor through-flow channel is had in the rear end of spool, the beloid taper guiding cap coordinated with hollow straight-bar body front end face is provided with at opening part, described hollow straight-bar body front end face to stretch in taper guiding cap and passage of irrigation fluid I and opening just to setting, the through hole of some connection passage of irrigation fluid I and passage of irrigation fluid II is provided with in the front portion of hollow straight-bar body, the positioning step coordinated with taper guiding cap is provided with in the inside of drill rod body.
2. horizontal directional drilling machine according to claim 1 creeps into and uses warning drilling rod, it is characterized in that: described hollow straight-bar body comprises front thin bar body and rear thick bar body, and the rear portion of front thin bar body connects with the front threads of rear thick bar body.
3. horizontal directional drilling machine according to claim 2 creeps into and uses warning drilling rod, it is characterized in that: on the outer wall of front thin bar body and rear thick bar body, be equipped with handling groove during spanner handling.
4. horizontal directional drilling machine according to claim 1 creeps into and uses warning drilling rod, it is characterized in that: be provided with two groups side by side before and after described through hole, and often group is all uniformly distributed along the circumference of front thin bar body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420671950.2U CN204212714U (en) | 2014-11-12 | 2014-11-12 | A kind of horizontal directional drilling machine creeps into uses warning drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420671950.2U CN204212714U (en) | 2014-11-12 | 2014-11-12 | A kind of horizontal directional drilling machine creeps into uses warning drilling rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204212714U true CN204212714U (en) | 2015-03-18 |
Family
ID=52981395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420671950.2U Withdrawn - After Issue CN204212714U (en) | 2014-11-12 | 2014-11-12 | A kind of horizontal directional drilling machine creeps into uses warning drilling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204212714U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358528A (en) * | 2014-11-12 | 2015-02-18 | 连云港黄海机械股份有限公司 | Alarming drill rod for drilling of horizontal directional drilling machine |
| CN104818953A (en) * | 2015-04-23 | 2015-08-05 | 黎然 | Drilling tool and application thereof |
| CN112145093A (en) * | 2020-10-23 | 2020-12-29 | 中煤科工集团重庆研究院有限公司 | Series control automatic loading and unloading drill rod capable of rotating forward and backward |
-
2014
- 2014-11-12 CN CN201420671950.2U patent/CN204212714U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358528A (en) * | 2014-11-12 | 2015-02-18 | 连云港黄海机械股份有限公司 | Alarming drill rod for drilling of horizontal directional drilling machine |
| CN104818953A (en) * | 2015-04-23 | 2015-08-05 | 黎然 | Drilling tool and application thereof |
| CN112145093A (en) * | 2020-10-23 | 2020-12-29 | 中煤科工集团重庆研究院有限公司 | Series control automatic loading and unloading drill rod capable of rotating forward and backward |
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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: 20150318 Effective date of abandoning: 20160601 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |