CN201466912U - Two-way rubber injection device of screw drilling tool stator - Google Patents
Two-way rubber injection device of screw drilling tool stator Download PDFInfo
- Publication number
- CN201466912U CN201466912U CN2009201087346U CN200920108734U CN201466912U CN 201466912 U CN201466912 U CN 201466912U CN 2009201087346 U CN2009201087346 U CN 2009201087346U CN 200920108734 U CN200920108734 U CN 200920108734U CN 201466912 U CN201466912 U CN 201466912U
- Authority
- CN
- China
- Prior art keywords
- conehead
- stator
- mandrel
- end plate
- injection
- 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 - Lifetime
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model relates to a two-way rubber injection device of a screw drilling tool stator. In order to overcome the defect that the prior one-way rubber injection process cannot meet the oil resistant rubber injection requirements of the screw drilling tool stator, a mandrel is arranged in a stator shell; an injection conical head and a conical head respectively arranged on both ends of the mandrel are matched with inner conical holes on both ends of the stator shell; the ends of the injection conical head and the conical head are respectively provided with an injection end plate and an end plate; a tension rod and a tension rod nut fix the injection end plate, the injection conical head, the conical head, a conical head end plate, the stator shell and the mandrel; the injection conical head is provided with an axial injection hole; the inner hole of the conical head is provided with a double injection connector; one end of the double injection connector is fixedly connected with the mandrel, the other end passes through the conical head and the conical head end plate, and is axially fixed by the nut; the excircle of the double injection connector between a mandrel end surface and a conical head end surface is provided with a double injection pad; and the middle of the stator shell is provided with a radial process through hole. The two-way rubber injection device of the screw drilling tool stator has the advantages of compact structure, convenient operation and capability of injecting all types of stator rubber.
Description
Affiliated technical field
The utility model relates to a kind of screw drilling tool motor stator rubber injection device, especially relates to the two-way injection device of a kind of stator rubber of screw drilling tools.
Background technology
At present, stator rubber of screw drilling tools injects the injection conehead that mostly is from frock one end and injects, and rubber flows along the space between stator case and the mandrel, until being full of whole space.Because the extensive use of oil-base mud in horizontal well, directional well, the stator rubber oil resistance is had higher requirement, improve the acrylonitrile content in the elastomeric material, can improve the rubber oil resistance, but the increase of acrylonitrile content causes Mooney viscosity of rubber to increase, and the mobile performance of rubber reduces, and adopts traditional one-sided injecting glue technology to meet the demands, make the stator rate of finished products reduce, and can not guarantee stator quality.
The utility model content
Can not satisfy the deficiency that helicoid hydraulic motor stator oil resistant rubber injects requirement in order to overcome existing unidirectional injecting glue technology, the utility model provides a kind of stator rubber of screw drilling tools two-way injection device.
The technical scheme that its technical problem that solves the utility model adopts is: the two-way injection device of stator rubber of screw drilling tools comprises stator case, mandrel, pull bar, inject end plate, inject conehead, conehead, the conehead end plate, mandrel is installed in the stator case, the injection conehead that install respectively at the two ends of mandrel, conehead cooperates with the internal taper hole at stator case two ends, the end of injecting conehead and conehead is separately installed with injects end plate and end plate, to inject end plate by pull bar and pull-rod nut, inject conehead, conehead, the conehead end plate, stator case, mandrel is fixed, inject on the conehead axial hand-hole is arranged, two notes joints are installed in the endoporus of conehead, one end of two notes joints is fixedlyed connected with mandrel, the other end passes conehead and conehead end plate, by the nut axial restraint; Two pads of annotating are installed on the two notes joint cylindricals between mandrel end face and the conehead end face; On two notes pads radially glue injection channel is arranged.Two notes joints have axial blind hole, blind hole length be the outer end of end plate to the mandrel end, radially hole for injecting glue is arranged at the blind hole bottom, the radially hole for injecting glue on two notes joints connects with two radially glue injection channel of annotating on the pad; There is radially technology through hole at the stator case middle part.
The beneficial effects of the utility model are, compact conformation is easy to operate, can inject various stator rubber glue kinds, guarantee the motor stator end product quality.
Description of drawings
Fig. 1 is the structural representation of the two-way injection device of the utility model stator rubber of screw drilling tools.
Among the figure: 1. inject end plate, 2. inject conehead, 3. stator case, 4. radially glue injection channel, 5. conehead, 6. conehead end plate, 7. hole for injecting glue radially, 8. pull bar 9. pair is annotated pad, 10. pair notes joint, 11. nut, 12. pull-rod nuts, 13. mandrels, 14. technology through holes, 15. rubber.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing 1 and embodiment.
The two-way injection device of the utility model stator rubber of screw drilling tools, comprise stator case 3, mandrel 13, pull bar 8, inject end plate 1, inject conehead 2, conehead 5, conehead end plate 6, mandrel 13 is installed in the stator case 3, the injection conehead 2 that install respectively at the two ends of mandrel 13, conehead 5 cooperates with the internal taper hole at stator case 3 two ends, the end of injecting conehead 2 and conehead 5 is separately installed with injects end plate 1 and end plate 6, to inject end plate 1 by pull bar 8 and pull-rod nut 12, inject conehead 2, conehead 5, conehead end plate 6, stator case 3, mandrel 13 is fixing, and it is fixing by pull-rod nut 12. two notes joints 10 are installed in the endoporus of conehead 5, the two ends of two notes joints 10 are screw thread, one end is fixedlyed connected with mandrel 13, after the other end passes conehead 5 and conehead end plate 6, by nut 11 axial restraints. leave the gap between mandrel 13 end faces and conehead 5 end faces, this gap is approximately 15～20mm, two pads 9 of annotating wherein are installed, and two notes pads 9 are installed on the cylindrical of two notes joints 10.
The two notes on the pad 9 of the present utility model has radially glue injection channel 4, and radially the quantity of glue injection channel 4 is more than 2; Be generally 4～6.
Two notes joints 10 are an axle shape, from the outer end of end plate 6 axial blind hole are inwardly arranged, blind hole length be the outer end of end plate 6 to mandrel 13 ends, radially hole for injecting glue 7 is arranged at the blind hole bottom, radially the quantity of hole for injecting glue 7 is more than 2; Be generally 4～6.
Radially hole for injecting glue 7 on two notes joints 10 connects with described two radially glue injection channel of annotating on the pad 94.
For the ease of being injected into smoothly in the seal cavity between stator case 5 endoporus and mandrel 13 outlines of rubber 15, at stator case 3 middle parts radially technology through hole 14 is arranged, radially the quantity of technology through hole 14 has 2 at least, and arrange along stator shaft orientation, after waiting to finish injecting glue work, technology through hole 14 is sealed with plug wire.
When stator case 3 length are long,, can increase supporting bracket at the middle part of stator case 3 in order to increase the stability of the two-way injection device of stator rubber of screw drilling tools.
The utility model is by improving the former conehead that oozes out end, increase two notes joints, and will inject glue by two notes pads and scatter, under the effect of injecting glue pressure, rubber flows into the stator case inner chamber, and when rubber was filled with stator case, rubber flowed out from the technology through hole at stator case middle part, and the air in the discharge inner chamber, the fabrication hole plug of screwing on; With the two-way injection device tune of stator rubber of screw drilling tools injecting glue, in stator case, inject rubber again,, make and inject the certain compactness of rubber maintenance so that keep the injecting glue internal pressure by injecting conehead.
The utility model is applicable to that not only the rubber of screw drilling tool motor stator injects, and can also be used for the production technology of similar products.
Claims (7)
1. two-way injection device of stator rubber of screw drilling tools, comprise stator case, mandrel, pull bar, inject end plate, inject conehead, conehead, the conehead end plate, mandrel is installed in the stator case, the injection conehead that install respectively at the two ends of mandrel, conehead cooperates with the internal taper hole at stator case two ends, the end of injecting conehead and conehead is separately installed with injects end plate and end plate, to inject end plate by pull bar and pull-rod nut, inject conehead, conehead, the conehead end plate, stator case, mandrel is fixed, inject on the conehead axial hand-hole is arranged, it is characterized in that: two notes joints (10) are installed in the endoporus of conehead (5), one end of two notes joints (10) is fixedlyed connected with mandrel (13), the other end passes conehead (5) and conehead end plate (6), by nut (11) axial restraint; Two pads (9) of annotating are installed on two notes joints (10) cylindrical between mandrel (13) end face and conehead (5) end face; There is radially technology through hole (14) at stator case (3) middle part.
2. the two-way injection device of stator rubber of screw drilling tools according to claim 1 is characterized in that: described two the notes on the pad (9) has radially glue injection channel (4).
3. the two-way injection device of stator rubber of screw drilling tools according to claim 2 is characterized in that: the quantity of described radially glue injection channel (4) is more than 2.
4. the two-way injection device of stator rubber of screw drilling tools according to claim 2 is characterized in that: described pair of notes joint (10) has axial blind hole, blind hole length be the outer end of end plate (6) to mandrel (13) end, radially hole for injecting glue (7) is arranged at the blind hole bottom.
5. the two-way injection device of stator rubber of screw drilling tools according to claim 4 is characterized in that: the quantity of described radially hole for injecting glue (7) is more than 2.
6. the two-way injection device of stator rubber of screw drilling tools according to claim 5 is characterized in that: the radially hole for injecting glue (7) on the described pair of notes joint (10) connects with described two radially glue injection channel of annotating on the pad (9) (4).
7. the two-way injection device of stator rubber of screw drilling tools according to claim 5 is characterized in that: the quantity of described radially hole for injecting glue (7) is 4～6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201087346U CN201466912U (en) | 2009-06-05 | 2009-06-05 | Two-way rubber injection device of screw drilling tool stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201087346U CN201466912U (en) | 2009-06-05 | 2009-06-05 | Two-way rubber injection device of screw drilling tool stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466912U true CN201466912U (en) | 2010-05-12 |
Family
ID=42394259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201087346U Expired - Lifetime CN201466912U (en) | 2009-06-05 | 2009-06-05 | Two-way rubber injection device of screw drilling tool stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466912U (en) |
-
2009
- 2009-06-05 CN CN2009201087346U patent/CN201466912U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |