CN206220845U - Deng wall-thickness screw driller motor - Google Patents
Deng wall-thickness screw driller motor Download PDFInfo
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- CN206220845U CN206220845U CN201621046219.6U CN201621046219U CN206220845U CN 206220845 U CN206220845 U CN 206220845U CN 201621046219 U CN201621046219 U CN 201621046219U CN 206220845 U CN206220845 U CN 206220845U
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- metal lining
- inside spin
- wall thickness
- wall
- stator case
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Abstract
The utility model discloses wall-thickness screw driller motor is waited, belong to drilling equipment technical field.Include stator and rotor Deng wall-thickness screw driller motor, stator includes stator case, inside spin metal lining and waits wall thickness rubber bushing；Inner and outer wall Deng wall thickness rubber bushing is respectively provided with helicla flute, and the inwall of inside spin metal lining sets helicla flute；Inside spin metal lining is lining in stator case inwall, waits the helicla flute cooperation that inside spin metal lining inwall and inside spin metal lining inwall are lining in wall thickness rubber bushing, and wall thickness is equal everywhere to wait wall thickness rubber bushing.Wall thickness rubber bushing thickness of thin, uniform wall thickness are waited in grade wall-thickness screw driller motor in the utility model, heat conduction and heat radiation is uniform in use.It is small Deng frictional force between wall thickness rubber bushing and rotor, wait the service life of wall thickness rubber bushing to improve.
Description
Technical field
The utility model is related to screw drilling tool motor, specifically waits wall-thickness screw driller motor, belongs to drilling equipment skill
Art field.
Background technology
Oil, natural gas, geothermal well helicoid hydraulic motor are that most common power drilling tool is used in drilling engineering；Screw motor
It is the dynamical element of helicoid hydraulic motor, is made up of stator, rotor two parts；Stator case endoporus is bonded by rubber curing forming technique
In the inwall of stator case housing, continuous helical groove is formed, rotor is in cylindrical into continuous spiral shell by metal working process
Spin slot, stator and rotor press certain size tolerance fit formation closing chamber, in the presence of high-pressure fluid, drive rotor and stator
Housing produces relative rotary motion.In drilling well work, mud pressure is converted into by motor the power of drill bit, therefore motor
Rotating speed and moment of torsion largely affect the operating efficiency of helicoid hydraulic motor, while as core component motor life-span again
Largely influence the service life of helicoid hydraulic motor.
Screw drilling tool motor rotor uses metal working process, and Technical comparing is ripe；Motor stator is metal shell, interior rubber
Glue bushing, current technology is relatively poor, and the technological means of use, manufacturing process are had nothing in common with each other；It is non-to wait wall-thickness screw driller motor
Conventional motor is also called, is at present that, using more manufacturing technology, it is to start application in recent years to wait wall-thickness screw driller motor
Manufacture new technology.
The non-stator for waiting wall-thickness screw driller motor is formed in the direct injecting glue vulcanization of seamless pipe of inner wall smooth by mould
Inner Spiral Surface, rubber uneven distribution is even, and high temperature and squeezing action are subject in underground work, and rubber occurs inhomogeneous deformation,
Screw drilling tool motor stator housing and rotor engagement precision can be reduced, work efficiency drop is caused.As heat non-conductor, by
In the uneven of rubber thin and thick, heat can be produced to assemble at local thicker rubber, accelerate ageing of rubber, cause screw drilling tool motor
Service life decline；
Stator in Chinese patent CN105356646 A " waiting wall thickness metal lining screw motor and its injection process " be by
The pipe that inside and outside wall has helicla flute is lining into the pipe of inner wall smooth by injecting glue sulfuration process, and middle rubber is used as bonding
Layer, be it is non-wait wall thickness rubber, injecting glue vulcanizes and the wall thickness rubber lining such as spiral inside pipe wall again；In addition to manufacturing process complexity, screw rod
Integrally there is non-wall thickness rubber of Denging in drilling tool motor stator housing, however it remains amount of localized heat clustering phenomena.
Utility model content
The purpose of this utility model is to provide a kind of high working efficiency, long service life, can carry out technology production
Deng wall-thickness screw driller motor.
To achieve these goals, the technical solution adopted in the utility model is：
The wall-thickness screw driller motor such as one kind, including stator and rotor, stator include stator case, inside spin metal lining
With grade wall thickness rubber bushing；Inner and outer wall Deng wall thickness rubber bushing is respectively provided with helicla flute, the inwall of inside spin metal lining
Helicla flute is set；Inside spin metal lining is lining in stator case inwall, waits and inside spin metal lining is lining in wall thickness rubber bushing
Inwall coordinates with the helicla flute of inside spin metal lining inwall, grade wall thickness rubber bushing external spiral groove and the inside spin of mutual cooperation
The helicla flute line number of metal lining inwall is consistent with helical pitch；Positioned at wait wall thickness rubber bushing inside rotor outer wall set with etc.
The wall thickness rubber bushing spiral inner wall line of rabbet joint number helicla flute consistent with helical pitch；Deng wall thickness rubber bushing, wall thickness is equal everywhere.
Further, stator case is endoporus and cylindrical smooth seamless pipe, and stator case middle part sets stator case
Hole for injecting glue, stator case two ends set stator case air vent；Inside spin metal lining middle part sets inside spin metal lining note
Glue hole, inside spin metal lining two ends set inside spin metal lining air vent；The center line of stator case hole for injecting glue and interior spiral shell
The center line for revolving metal hole for injecting glue is same straight line, and stator case air vent is with the center line of inside spin metal lining air vent
Same straight line.
Further, stator case hole for injecting glue, inside spin metal lining hole for injecting glue set one；Stator case air vent and
Inside spin metal lining air vent sets one.
Further, stator case hole for injecting glue, the number of inside spin metal lining hole for injecting glue are more than one, stator case note
Glue hole and inside spin metal lining hole for injecting glue are distributed uniformly and circumferentially on same section；Stator case air vent and interior spiral shell
Rotation metal lining air vent number is more than one, and stator case air vent and inside spin metal lining air vent are on same section
It is distributed uniformly and circumferentially.
By adopting the above-described technical solution, the technique effect that the utility model is obtained has：
Wall thickness rubber bushing thickness of thin, wall are waited in the stationary part for waiting wall-thickness screw driller motor in the utility model
It is thick uniform, ensure that heat conduction and heat radiation is uniform in use.Rubber extruded deflection is small in use, stress is equal
It is even, wait the frictional force between wall thickness rubber bushing and rotor small, wait the service life of wall thickness rubber bushing to be improved.
Inside spin metal lining and wall thickness rubber bushing is waited to support the use in the utility model, it is ensured that Homogeneouslly-radiating,
Avoid amount of localized heat aggregation.
The utility model simple structure, it is not necessary to using production equipment special be capable of achieving mass production.
Brief description of the drawings
Fig. 1 is the section view of the wall-thickness screw driller motor such as the utility model；
Fig. 2 is axle surveys view of the wall-thickness screw such as the utility model driller motor with broken section；
Fig. 3 is the decomposing schematic representation of the wall-thickness screw driller motor such as the utility model；
Wherein, 1, stator case, 2, inside spin metal lining, 3, etc. wall thickness rubber bushing, 4, rotor, 5, stator case
Hole for injecting glue, 6, stator case air vent, 7, inside spin metal lining hole for injecting glue, 8, inside spin metal lining air vent.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further details to the utility model：
It is described to wait wall-thickness screw driller motor including stator and turn the utility model discloses wall-thickness screw driller motor is waited
Son 4.Stator includes stator case 1, inside spin metal lining 2 and waits wall thickness rubber bushing 3；Waiting in wall thickness rubber bushing 3
Wall and outer wall are respectively provided with helicla flute, and helicla flute is set in the inwall of inside spin metal lining 2；It is lining in inside spin metal lining 2
The inwall of stator case 1, both are closely combined together by interference fit；Deng being lining in inside spin gold in wall thickness rubber bushing 3
The category inwall of bushing 2, waits the external spiral groove of wall thickness rubber bushing 3 to be cooperated with the helicla flute of the inwall of inside spin metal lining 2, and two
Person closely combines, the helicla flute of the inwall of the external spiral groove and inside spin metal lining 2 that wait wall thickness rubber bushing 3 of mutual cooperation
Line number is consistent with helical pitch, and concrete structure is as shown in Figure 1 and Figure 2.Set on the outer wall of rotor of the present utility model 4 and wait wall thickness rubber
The spiral inner wall line of rabbet joint number of glue bushing 3 helicla flute consistent with helical pitch, rotor 4 is located in the endoporus for waiting wall thickness rubber bushing 3.This reality
With all same of wall thickness everywhere of new mean wall thickness rubber bushing 3 and wall thickness is small, uniform, it is ensured that radiated during use equal
It is even.The rubber bushing part of the non-conductor of heat is set to wait wall thickness rubber bushing 3 by the utility model, and by the good conductor of heat
Metal lining be set to the inconsistent inside spin metal lining 2 of wall thickness, it is ensured that radiating it is uniform with it is rapid.Metal material
The heat conduction of inside spin metal lining 2 can well eliminate the uneven influence of the inconsistent heat conduction and heat radiation for bringing of insert thickness.This practicality
The wall thickness all same everywhere of new mean wall thickness rubber bushing 3, wall thickness typically takes 6~15mm, waits the wall thickness of wall thickness rubber bushing 3
It is small, uniform, it is ensured that to be radiated during use uniform.Inside spin metal lining 2 is applied in combination with grade wall thickness rubber bushing 3,
Ensure that Homogeneouslly-radiating, it is to avoid amount of localized heat aggregation.During drilling well work, wall thickness rubber bushing 3 is waited to receive rotor 4 and height
The extruding of mud is pressed, deformation is uniform, the small ageing of rubber speed that the wall thickness rubber bushing 3 such as can slow down of deflection；Due to waiting wall
The wall thickness of thick rubber bushing 3 is small, uniform, and rubber extrusion amount is small, uniform force, the wall thickness rubber bushing 3 such as can reduce, turn
Friction between son 4, improves service life；It is small, uniform Deng the wall thickness of wall thickness rubber bushing 3, reduce in injecting glue sulfuration process mistake
The deflection of rubber in journey, improves the accuracy of manufacture, and the overall volume efficiency of screw drilling tool motor, mechanical efficiency can be carried
It is high.The utility model simple structure, each parts shape matching rule, it is easy to processing and fabricating.Deng wall thickness rubber bushing and rotor
Between frictional force it is small, wait the service life of wall thickness rubber bushing to improve.Deng decomposing schematic representation such as Fig. 3 of wall-thickness screw driller motor
It is shown.
The utility model stator case 1 is the smooth seamless pipe of inner hole outer circularity, and material is high strength alloy steel, stator case
There is stator case hole for injecting glue 5 at the middle part of body 1, and respectively there is a stator case air vent 6 at two ends；Inside spin metal lining 2 is using high-strength
Degree steel alloy, the pipe fitting manufactured by metal thermoforming process is cylindrical smooth, and inwall has helicla flute, in inside spin metal lining 2
There is inside spin metal lining hole for injecting glue 7 in portion, and respectively there is an inside spin metal lining air vent 8 at two ends, stator case hole for injecting glue 5
Center line is same straight line with the center line of inside spin metal hole for injecting glue 7, and stator case air vent 6 is put with inside spin metal lining
The center line of stomata 8 is same straight line, and concrete structure is as shown in Figure 3.
The stator case hole for injecting glue 5 at the middle part of stator case 1 and the inside spin metal lining note at the middle part of inside spin metal lining 2
Glue hole 7 could be arranged to one, it is also possible to be set greater than one, if stator case hole for injecting glue 5 and inside spin metal lining
The number that hole for injecting glue 7 is set is more than one, then stator case hole for injecting glue 5 and inside spin metal lining hole for injecting glue 7 are in same section
On be distributed uniformly and circumferentially；The stator case air vent 6 at the two ends of stator case 1 and the two ends of inside spin metal lining 2 it is interior
The number of spiral metal bushing air vent 8 can be one, or more than one, if stator case air vent 6 and interior
The number of spiral metal bushing air vent 8 is more than one, then stator case air vent 6 and inside spin metal lining air vent 8 exist
It is distributed uniformly and circumferentially on same section.
Stator case hole for injecting glue 5 and stator case air vent 6 are set on stator case 1, and in inside spin metal liner
Setting inside spin metal lining hole for injecting glue 7 and inside spin metal lining air vent 8 are put, is for reciprocity wall-thickness screw drilling tool horse
The wall thickness rubber bushing 3 that waits in reaching carries out injection process processing, so as to the mass production of wall-thickness screw driller motor such as realize.
Claims (3)
1. the wall-thickness screw driller motor such as one kind, including stator and rotor（4）, it is characterised in that：Stator includes stator case
（1）, inside spin metal lining（2）With grade wall thickness rubber bushing（3）；Inside spin metal lining（2）It is high-strength alloy steel pipe fitting；
Deng wall thickness rubber bushing（3）Inner and outer wall be respectively provided with helicla flute, inside spin metal lining（2）Inwall set helicla flute；
Inside spin metal lining（2）It is lining in stator case（1）Inwall, waits wall thickness rubber bushing（3）Inside it is lining in inside spin metal lining（2）
Inwall and inside spin metal lining（2）The helicla flute of inwall coordinates, the grade wall thickness rubber bushing of mutual cooperation（3）External spiral groove and
Inside spin metal lining（2）The helicla flute line number of inwall is consistent with helical pitch；Positioned at grade wall thickness rubber bushing（3）Internal rotor
（4）Outer wall set with wait wall thickness rubber bushing（3）The spiral inner wall line of rabbet joint number helicla flute consistent with helical pitch；Deng wall thickness rubber lining
Set（3）Wall thickness is equal everywhere；Stator case（1）It is endoporus and cylindrical smooth seamless pipe, stator case（1）Middle part sets fixed
Sub- housing hole for injecting glue（5）, stator case（1）Two ends set stator case air vent（6）；Inside spin metal lining（2）Middle part sets
Put inside spin metal lining hole for injecting glue（7）, inside spin metal lining（2）Two ends set inside spin metal lining air vent（8）；It is fixed
Sub- housing hole for injecting glue（5）Center line and inside spin metal lining hole for injecting glue（7）Center line be same straight line, stator case puts
Stomata（6）With inside spin metal lining air vent（8）Center line be same straight line.
It is 2. according to claim 1 to wait wall-thickness screw driller motor, it is characterised in that：Stator case hole for injecting glue（5）, interior spiral shell
Rotation metal lining hole for injecting glue（7）Set one；Stator case（1）Two ends respectively set a stator case air vent（6）, inside spin
Metal lining（2）Two ends respectively set an inside spin metal lining air vent（8）.
It is 3. according to claim 1 to wait wall-thickness screw driller motor, it is characterised in that：Stator case hole for injecting glue（5）, interior spiral shell
Rotation metal lining hole for injecting glue（7）Number be more than one, stator case hole for injecting glue（5）With inside spin metal lining hole for injecting glue（7）
It is distributed uniformly and circumferentially on same section；Stator case air vent（6）With inside spin metal lining air vent（8）Number
More than one, stator case air vent（6）With inside spin metal lining air vent（8）It is along the circumferential direction uniform on same section
Distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046219.6U CN206220845U (en) | 2016-09-09 | 2016-09-09 | Deng wall-thickness screw driller motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046219.6U CN206220845U (en) | 2016-09-09 | 2016-09-09 | Deng wall-thickness screw driller motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206220845U true CN206220845U (en) | 2017-06-06 |
Family
ID=58782325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621046219.6U Expired - Fee Related CN206220845U (en) | 2016-09-09 | 2016-09-09 | Deng wall-thickness screw driller motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206220845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458524A (en) * | 2020-11-09 | 2022-05-10 | 中国石油天然气集团有限公司 | Embedded stator and screw motor |
-
2016
- 2016-09-09 CN CN201621046219.6U patent/CN206220845U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458524A (en) * | 2020-11-09 | 2022-05-10 | 中国石油天然气集团有限公司 | Embedded stator and screw motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20210909 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |