CN2141457Y - Threaded rod power drill set - Google Patents
Threaded rod power drill set Download PDFInfo
- Publication number
- CN2141457Y CN2141457Y CN 92211826 CN92211826U CN2141457Y CN 2141457 Y CN2141457 Y CN 2141457Y CN 92211826 CN92211826 CN 92211826 CN 92211826 U CN92211826 U CN 92211826U CN 2141457 Y CN2141457 Y CN 2141457Y
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- CN
- China
- Prior art keywords
- rotor
- transmission shaft
- assembly
- drilling tool
- driving
- 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.)
- Expired - Fee Related
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- Manipulator (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Flexible Shafts (AREA)
Abstract
The utility model belongs to the drill set technical field. The improvement of the threaded rod power drill set lies in that a rotor (6) and a stator (5) of a motor assembly adopt the corrected standard hypocycloidal equidistant line to linearly constitute a rotor assistant and a stator assistant to have the characteristics of accurate engaging and high efficient. The rotor (6) is made to be hollow. A flexible shaft (7) passes through the hollow rotor (6) to be connected with a rotary shaft (10). The entire length of the drill set is shortened. An upper radial bearing (12) and a lower radial bearing (15) adopt the structure of rubbing assistant welded with hard alloying blocks to improve the entire service life of the drill set. The inner part of the drill set is provided with an anti-fall nut (14) which can prevent the complex accident of falling fish. The inner part of a flow guiding strainer (8) is provided with a spacer sleeve (9) to make the drill set convenient to disassemble and assemble. The utility model has the advantages of big torque, low revolution rate, safe and reliable structure, convenient examination and repair, convenient assembly and short length, etc.
Description
The utility model belongs to the drilling tool technical field.
Screw rod power drilling tool from external introduction mainly is to be made of by-pass valve assembly, motor assembly, universal drive shaft assembly, driving-shaft assembly four parts at present.Wherein by-pass valve assembly comprises the tubulose by-pass valve body that has by-pass prot, overlaps cartridge spool, spring, valve pocket in by-pass valve body successively; Be positioned at the motor assembly that by-pass valve assembly lower end and by-pass valve assembly screw thread link and comprise stator and rotor two parts, stator casing is a steel pipe, in be marked with the fourth dried meat rubber of erosion resistant, shape of cross section is a helicla flute, rotor is a steel spirality solid shafting; What link with motor assembly lower end screw thread is the universal drive shaft assembly, it comprises steel pipe universal drive shaft housing, the suit two ends have the lobe profile of tooth universal drive shaft of good characteristics of flexibility respectively in the universal drive shaft housing, and the lobe tooth surface is with the rubber sleeve of oil resistant, fills with the butter of lubricate in the rubber sleeve; What be connected with the universal drive shaft pin thread is driving-shaft assembly, it comprises the tubulose transmission shaft shell with a circular hole, the power transmission shaft of suit in transmission shaft shell, hollow cylinder water conservancy diversion water cap in the pin thread connection of power transmission shaft upper end, on the power transmission shaft in turn suit have journal bearing, rubber lower radial bearing on the retaining ring, up-thrust bearing, rubber of retaining ring cutting ferrule, lower thrust-bearing.The screw rod power drilling tool of this structure, its shortcoming is: be connected the entire length of the drilling tool that extended with lobe profile of tooth universal drive shaft between rotor and the power transmission shaft; Universal drive shaft intensity is low, mechanical wear is fast, and the life-span only has 40-60 hour, and the easy erosion of rubber protective sleeve comes off, plugging fluid circulation road, liner rubber type journal bearing structure, make premature wear easily takes place between power transmission shaft and the housing, liner rubber is easily torn damage, and the life-span only has 40 hours; The power transmission shaft body does not add anti-fall mechanism, after breaking axis takes place weak link place, power transmission shaft body top, down-hole fish complex accident can take place.
The purpose of this utility model is to design a kind of entire length that can shorten drilling tool, and is safe and reliable, the new screw power drilling tool of long service life.
The utility model comprises by-pass valve assembly, motor assembly, driving-shaft assembly three parts, what be positioned at whole screw rod power drilling tool upper end is by-pass valve assembly, it is by the steel tubular bypass valve housing that has by-pass prot, the spool that has by-pass prot of suit successively in the bypass valve housing, spring, valve pocket constitutes, be positioned at screw rod power drilling tool middle part, what two ends were connected with the driving-shaft assembly pin thread with by-pass valve assembly respectively is motor assembly, it is by annotating rubber in the tubular outer shell, shape of cross section is that spiral fluted stator and helical axis shape rotor two parts constitute, driving-shaft assembly comprises the tubulose transmission shaft shell with a circular hole, suit power transmission shaft in transmission shaft shell, in the power transmission shaft upper end hollow cylinder water conservancy diversion water cap that is connected with the power transmission shaft pin thread is installed, its improvements are: the rotor in the motor assembly is made hollow, thin and long flexible axle passes its upper end of sleeve rotor and links with rotor upper end screw thread, and the water conservancy diversion water cap in lower end and the driving-shaft assembly links; In driving-shaft assembly, the locking nut that is connected with transmission shaft shell of suit in turn on the power transmission shaft, journal bearing on the seting welding carbide piece, multiple row annular contact thrust ball bearing, anti-fall nut, seting welding carbide piece lower radial bearing; Driving-shaft assembly two ends up and down links with last pipe nipple and following pipe nipple screw thread respectively.
Rotor of the present utility model and stator have adopted that the standard hypocycloidal equal space line line style of revising has been formed commentaries on classics, stator is paid, compensated the contraction of stator liner rubber, have the engagement of commentaries on classics, stator accurately, characteristics that efficient is high, rotor in the motor assembly is made hollow, flexible axle passes sleeve rotor and power transmission shaft joins, realize moving and the transmission of power with the flexural deformation of flexible axle, the drilling tool entire length is shortened.Upper and lower journal bearing in the power transmission shaft parts adopts seting welding carbide piece fastness structure, and the bulk life time of drilling tool is improved greatly.Anti-fall nut is housed in power transmission shaft avoids the generation of down-hole fish complex accident.Flexible axle and power transmission shaft are equipped with a spacer sleeve between the transition of water conservancy diversion water cap is joined, make its easy accessibility.
The utility model provides in conjunction with the accompanying drawings.
Accompanying drawing 1 is the sectional drawing of screw rod power drilling tool.
Fig. 2 is the motor assembly sectional drawing.
Fig. 3 is the motor assembly cross-sectional view.
Fig. 4 is the driving-shaft assembly sectional drawing.
(1) is the bypass valve housing among the figure, and (2) are spool, and (3) are spring, (4) be valve pocket, (5) are stator, and (6) are rotor, (7) be flexible axle, (8) are water conservancy diversion water cap, and (9) are spacer sleeve, (10) be power transmission shaft, (11) are locking nut, and (12) are last journal bearing, (13) be the multiple row annular contact thrust ball bearing, (14) are anti-fall nut, and (15) are lower radial bearing, (16) be last pipe nipple, (17) are transmission shaft shell, and (18) are following pipe nipple.
In the present embodiment, with the bypass valve housing (1) of band by-pass prot on the steel, suit has the spool (2) of by-pass prot, (valve core upper sleeve has " 0 " RunddichtringO) spring (3), valve pocket (4) successively in bypass valve housing (1); Stator in the motor assembly (5) shell is a steel pipe, six lobe helical cavity of the interior notes vulcanization of rubber, the maximum gabarit D of stator (5)
Smax=172mm, the wide d of imperial palace
Smax=128mm, helical pitch T
s=840mm, length overall L
s=3900mm, the rotor (6) that is sleeved in the stator (5) is the spirality hollow shaft of steel, the maximum gabarit D of rotor (6)
Smax=150mm, imperial palace exterior feature is d
Rmax=106mm, helical pitch T
r=700mm, length overall L
r=3440mm, center drilling φ=90mm, rotor (6) and stator (5) lobe number are than 5/6, the eccentric throw E=11mm of rotor (6) and stator (5) equidistantly is worth R=20mm, and flexible axle (7) is made with the 35CrMo steel, diameter is φ=60mm, length overall is 3940mm, and flexible axle (7) passes sleeve rotor (6) upper end and links to each other with the rotor upper end, and the lower end links to each other with water conservancy diversion water cap (8) in the driving-shaft assembly; In the water conservancy diversion water cap (8) of the power transmission shaft in the driving-shaft assembly (10) upper end diameter being housed is 90mm, length is the spacer sleeve (9) of 130mm, suit in turn on the power transmission shaft (10), locking nut (11), last journal bearing (12), multiple row annular contact thrust ball bearing (13), anti-fall nut (14), lower radial bearing (15), wherein go up journal bearing (12) and lower radial bearing (15) length is respectively 200mm, 220mm, adopt the fastness structure of seting welding carbide piece, anti-fall nut (14) specification is M125 * 4, and length is 120mm.Transmission shaft shell (17) two ends exposed parts is set in hollow going up in pipe nipple (16) and the hollow pipe nipple (18) down, be screwed connection between transmission shaft shell (17) and last pipe nipple (16) and the following pipe nipple (18), make it to become screw rod power drilling tool integral body.
Claims (5)
1, a kind of screw rod power drilling tool, it comprises by-pass valve assembly, motor assembly, driving-shaft assembly three parts, what be positioned at whole screw rod power drilling tool upper end is by-pass valve assembly, it is by the steel tubular bypass valve housing (1) that has by-pass prot, the spool that has by-pass prot (2) of suit successively in the bypass valve housing, spring (3), valve pocket (4) constitutes, be positioned at screw rod power drilling tool middle part, what two ends were connected with the driving-shaft assembly pin thread with by-pass valve assembly respectively is motor assembly, it is by annotating rubber in the tubular outer shell, shape of cross section is that spiral fluted stator (5) and helical axis shape rotor (6) two parts constitute, driving-shaft assembly comprises the tubulose transmission shaft shell (17) with a circular hole, the power transmission shaft (10) of suit in transmission shaft shell (17), in power transmission shaft (10) upper end the hollow cylinder water conservancy diversion water cap (8) that is connected with power transmission shaft (10) pin thread is installed, it is characterized in that: the rotor in the motor assembly (6) is made hollow, the valve pocket (4) that thin and long flexible axle (7) passes sleeve rotor (6) upper end and by-pass valve assembly links, and the water conservancy diversion water cap (8) in lower end and the driving-shaft assembly links; In driving-shaft assembly, the locking nut (11) that is connected with transmission shaft shell (17) of suit in turn on the power transmission shaft (10), journal bearing on the seting welding carbide piece (12), multiple row annular contact thrust ball bearing (13), anti-fall nut (14), seting welding carbide piece lower radial bearing (15), driving-shaft assembly two ends up and down link with last pipe nipple (16) and following pipe nipple (18) screw thread respectively.
2, screw rod power drilling tool according to claim 1, it is 5/6 that the lobe that it is characterized in that rotor (6) and stator (5) is counted ratio, rotor (6) and stator (5) eccentric throw E=11mm, equidistant value is R=20mm.
3, screw rod power drilling tool according to claim 1 and 2 is characterized in that: having adopted length in the driving-shaft assembly is the fastness structure of the last journal bearing (12) of 200mm and lower radial bearing (15) the seting welding carbide piece that length is 220mm.
4, screw rod power drilling tool according to claim 1 and 2, it is characterized in that being equipped with between multiple row annular contact thrust ball bearing (13) and lower radial bearing (15) specification is that M125 * 4, length are the anti-fall nut (14) of 120mm.
5, screw rod power drilling tool according to claim 1 and 2 is characterized in that: flexible axle (7) and power transmission shaft (10) are equipped with diameter between water conservancy diversion water cap (8) transition is joined be 90mm, and length is the spacer sleeve (9) of 130mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92211826 CN2141457Y (en) | 1992-05-16 | 1992-05-16 | Threaded rod power drill set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92211826 CN2141457Y (en) | 1992-05-16 | 1992-05-16 | Threaded rod power drill set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2141457Y true CN2141457Y (en) | 1993-09-01 |
Family
ID=33763258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92211826 Expired - Fee Related CN2141457Y (en) | 1992-05-16 | 1992-05-16 | Threaded rod power drill set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2141457Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777122A (en) * | 2012-08-16 | 2012-11-14 | 熊继有 | Impact screw drilling tool |
| CN101674916B (en) * | 2007-04-18 | 2012-12-12 | 国民油井华高有限合伙公司 | Long reach spindle drive systems and method |
| CN104088585A (en) * | 2014-07-03 | 2014-10-08 | 西安石油大学 | Coaxial all-metal cam stator and rotor underground dynamical drilling tool |
| CN107905726A (en) * | 2017-11-09 | 2018-04-13 | 贵州高峰石油机械股份有限公司 | A kind of method and spiral drilling rig structure for improving helicoid hydraulic motor impact resistance |
-
1992
- 1992-05-16 CN CN 92211826 patent/CN2141457Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101674916B (en) * | 2007-04-18 | 2012-12-12 | 国民油井华高有限合伙公司 | Long reach spindle drive systems and method |
| CN102777122A (en) * | 2012-08-16 | 2012-11-14 | 熊继有 | Impact screw drilling tool |
| CN102777122B (en) * | 2012-08-16 | 2014-07-09 | 熊继有 | Impact screw drilling tool |
| CN104088585A (en) * | 2014-07-03 | 2014-10-08 | 西安石油大学 | Coaxial all-metal cam stator and rotor underground dynamical drilling tool |
| CN107905726A (en) * | 2017-11-09 | 2018-04-13 | 贵州高峰石油机械股份有限公司 | A kind of method and spiral drilling rig structure for improving helicoid hydraulic motor impact resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |