CN2738036Y - Down-the-hole drill speed variator - Google Patents
Down-the-hole drill speed variator Download PDFInfo
- Publication number
- CN2738036Y CN2738036Y CN 200420052983 CN200420052983U CN2738036Y CN 2738036 Y CN2738036 Y CN 2738036Y CN 200420052983 CN200420052983 CN 200420052983 CN 200420052983 U CN200420052983 U CN 200420052983U CN 2738036 Y CN2738036 Y CN 2738036Y
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- CN
- China
- Prior art keywords
- speed change
- shaft
- coupling
- stage speed
- speed changing
- 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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Abstract
The utility model discloses a down-the-hole drill speed variator, comprising a cylindrical box body on one side of which an input coupling is arranged. An output coupling is arranged on the other side of the cylindrical box body, and two stages speed changing geared rings are arranged in the cylindrical box body. The coupling spindle of the input coupling is connected with a first stage speed changing sun gear; a planetary gear arranged between the first stage speed changing sun gear and a first stage speed changing geared ring is connected with the flange of the first stage speed changing output shaft by a rotary shaft; a first stage speed changing output shaft is connected with a second stage speed changing sun gear; the planetary gear positioned between a second stage speed changing sun gear and the speed changing geared ring is connected with the flange of the second stage speed changing output shaft by the rotary shaft; a second stage speed changing output shaft is connected with the coupling spindle of the output coupling. The utility model adopts the cylindrical box body and the two stages cyclic train variable speed gear, therefore, the volume is cabinet; when users bore holes, the utility model can not be limited by the box body and can bore holes closed to the minimum rate. The utility model increases the work efficiency and saves the stone resource, which is suitable for the variable speed transmission which is used in the mining machines and other machinery equipment.
Description
Technical field
The utility model relates to transmission device, the speed changer of the down-the-hole drill mechanical speed change transmission that especially a kind of open-air stone ore exploitation is used.
Technical background
In the mechanical speed change transmission, the transmission of general many employing gear graduations obtains required rotating speed.Down-the-hole drill is in boring procedure, and in order to obtain suitable rock drilling parameter, all kinds of rigs have all designed variable speed drive.Down-the-hole drill as the production of Xuanhua, Hebei province mine engineering Mechanology Inc., its speed change gear has adopted multistage cylindrical gears speed changer, the casing of speed changer is a rectangle, have advantages such as transmission is accurate, part is that its volume is big but it is further improved, rig is when doing the horizontal drilling operation, owing to be subjected to the restriction of speed changer structure, boring can not be near the minimum rate of accumulation of rock mass, cause the mining operations face can not disposable large size horizontal separation, cause rock mass the dislocation of multilayer short distance scalariform to occur, not only cause the wasting of resources, and operating efficiency is low.
Summary of the invention
Big in order to overcome existing down-the-hole drill speed changer volume, rig can not cause the wasting of resources, deficiency that operating efficiency is low near minimum rate of accumulation boring, the utility model provides a kind of down-the-hole drill speed changer, and not only volume is little for this down-the-hole drill speed changer, and can make bore position reach the minimum rate of accumulation.
The technological scheme that its technical problem that solves the utility model adopts is: the utility model comprises casing, this casing is cylindric, end at casing is provided with the input coupling, the other end at casing is provided with the output coupling, be provided with two-stage speed change gear ring at box house, the joining shaft output terminal and the one-level speed change central gear of input coupling link, the primary planet pinion that is meshed with one-level speed change central gear and one-level speed change gear ring links through one-level transmission shaft and one-level speed change output shaft flange, one-level speed change output shaft and two stage speed change central gear link, the secondary planetary gear that is meshed with two stage speed change central gear and two stage speed change gear ring links through secondary drive shaft and two stage speed change output shaft flange, and the two stage speed change output shaft links with the joining shaft input end of output coupling.Because the casing of the utility model speed changer is cylindric, speed change gear has adopted two-stage epicyclic gear train, its volume is small and exquisite, horizontal operation bore position is not subjected to the gearbox casing structural limitations, can hole near the minimum rate of accumulation, realize the disposable large size horizontal separation of work surface, improved operating efficiency, save rock material resource.
Be respectively equipped with wear-resistant sleeve between primary planet pinion of the present utility model and one-level transmission shaft, secondary planetary gear and the secondary drive shaft.
For proper functioning and anti-sealing, stone flour and the dust that guarantees axle enters the component that wear and tear in the casing, be respectively equipped with bearing and outside framework oil seal between the joining shaft of importing coupling and the shaft coupling body and between two stage speed change output shaft and the casing.
The output shaft output terminal of the utility model output coupling is provided with the drilling rod joint sleeve.
The beneficial effects of the utility model are, volume is small and exquisite, compactness rational in infrastructure, and easy to maintenance, working stability is reliable, long service life.
Description of drawings
Fig. 1 is a main sectional view of the present utility model.
Fig. 2 is the A-A sectional view among Fig. 1.
Fig. 3 is the B-B sectional view among Fig. 1.
1. casings among the figure, 2. one-level speed change gear ring, 3. two stage speed change gear ring, 4. the input coupling is 5. exported coupling, 6. input coupling joining shaft, 7. one-level speed change central gear, 8. primary planet pinion, 9. one-level transmission shaft, 10. one-level speed change output shaft, 11. two stage speed change central gear, 12. secondary planetary gear, 13. secondary drive shaft, 14. two stage speed change output shafts, 15. output coupling joining shaft, 16. the drilling rod joint sleeve, 17. wear-resistant sleeves, 18. wear-resistant sleeves, 19. bearing, 20. skeleton axle envelope, 21. bearings, 22. skeleton axles envelope.
Embodiment
In Fig. 1, the casing of speed changer (1) is cylindric, be to form by the casting of 40cr material, be processed with one-level speed change gear ring (2) and two stage speed change gear ring (3) in the inside of casing (1), end at casing (1) is provided with input coupling (4), be provided with output coupling (5) at the other end of casing (1), the surface of contact joint between the body of input coupling (4), output coupling (5) and the casing (1) also is connected by bolt respectively.Joining shaft (6) input end of input coupling (4) can directly be connected with prime mover, also can be made into internal spline, carries out key with original machine output shaft and is connected, and preferential employing of present embodiment made internal spline, carries out key with original machine output shaft and is connected.
In Fig. 1, Fig. 2, joining shaft (6) output terminal and the one-level speed change central gear (7) of input coupling (4) link, be provided with the primary planet pinion (8) that is meshed between one-level speed change central gear (7) and the one-level speed change gear ring (2), primary planet pinion (8) adopts 3 star gears, and primary planet pinion (8) links through the flange of one-level transmission shaft (9) with one-level speed change output shaft (10) respectively.
In Fig. 1, Fig. 3, one-level speed change output shaft (10) links with two stage speed change central gear (11), be provided with the secondary planetary gear (12) that is meshed between two stage speed change central gear (11) and the two stage speed change gear ring (3), secondary planetary gear (12) equally also adopts 3 planetary pinions, and secondary planetary gear (12) links through the flange of secondary drive shaft (13) with two stage speed change output shaft (14) respectively.
Among Fig. 1, two stage speed change output shaft (14) links with joining shaft (15) input end of output coupling (5).The output terminal of two stage speed change output shaft (14) can be made into external splines, and the input end of the joining shaft (15) of output coupling (5) can be made into internal spline, and two stage speed change output shaft (14) is realized key connecting with the joining shaft (15) of output coupling (5).Joining shaft (15) output terminal at output coupling (5) also is provided with drilling rod joint sleeve (16).
In order to prevent the wearing and tearing of component, in the working life of elongated component, be respectively equipped with wear-resistant sleeve (17), (18) between primary planet pinion (8) and one-level transmission shaft (9), secondary planetary gear (12) and the secondary drive shaft (13).
For proper functioning and anti-sealing, stone flour and the dust that guarantees axle enters the component that wear and tear in the casing, between the joining shaft (6) of importing coupling (4) and shaft coupling body, be respectively equipped with bearing (19) and outside framework oil seal (20), between two stage speed change output shaft (14) and casing (1), be respectively equipped with bearing (21) and outside framework oil seal (22) equally.
The utility model is because the casing of speed changer is cylindric, speed change gear has adopted two-stage epicyclic gear train, its volume is small and exquisite, horizontal operation bore position is not subjected to the gearbox casing structural limitations, can hole near the minimum rate of accumulation, realize the disposable large size horizontal separation of work surface, improved operating efficiency, save rock material resource.
It is pointed out that the utility model is applicable to the used down-the-hole drill of open-air stone ore exploitation, equally also is suitable in the speed change transmission of other machinery.
Claims (5)
1, a kind of down-the-hole drill speed changer, comprise casing, it is characterized in that: described casing is cylindric, end at casing is provided with the input coupling, the other end at casing is provided with the output coupling, be provided with two-stage speed change gear ring at box house, the joining shaft output terminal and the one-level speed change central gear of input coupling link, the primary planet pinion that is meshed with one-level speed change central gear and one-level speed change gear ring links through one-level transmission shaft and one-level speed change output shaft flange, one-level speed change output shaft and two stage speed change central gear link, the secondary planetary gear that is meshed with two stage speed change central gear and two stage speed change gear ring links through secondary drive shaft and two stage speed change output shaft flange, and the two stage speed change output shaft links with the joining shaft input end of output coupling.
2, a kind of down-the-hole drill speed changer according to claim 1 is characterized in that: be respectively equipped with wear-resistant sleeve between described primary planet pinion and one-level transmission shaft, secondary planetary gear and the secondary drive shaft.
3, a kind of down-the-hole drill speed changer according to claim 1 and 2 is characterized in that: between the joining shaft and shaft coupling body of described input coupling, be respectively equipped with bearing and outside framework oil seal between two stage speed change output shaft and the casing.
4, a kind of down-the-hole drill speed changer according to claim 1 and 2, it is characterized in that: the output shaft output terminal of described output coupling is provided with the drilling rod joint sleeve.
5, a kind of down-the-hole drill speed changer according to claim 3, it is characterized in that: the output shaft output terminal of described output coupling is provided with the drilling rod joint sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420052983 CN2738036Y (en) | 2004-08-06 | 2004-08-06 | Down-the-hole drill speed variator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420052983 CN2738036Y (en) | 2004-08-06 | 2004-08-06 | Down-the-hole drill speed variator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2738036Y true CN2738036Y (en) | 2005-11-02 |
Family
ID=35347946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420052983 Expired - Fee Related CN2738036Y (en) | 2004-08-06 | 2004-08-06 | Down-the-hole drill speed variator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2738036Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670265A (en) * | 2013-12-05 | 2014-03-26 | 河北格洛斯节能设备科技有限公司 | Servo mechanical transmission special for top drive drilling machine |
| CN106122385A (en) * | 2016-08-18 | 2016-11-16 | 张家港保税区永大机械有限公司 | A kind of twist bit |
| CN106968598A (en) * | 2017-05-04 | 2017-07-21 | 西南石油大学 | A kind of unconventional super tight stratum high pulling torque boring means |
-
2004
- 2004-08-06 CN CN 200420052983 patent/CN2738036Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670265A (en) * | 2013-12-05 | 2014-03-26 | 河北格洛斯节能设备科技有限公司 | Servo mechanical transmission special for top drive drilling machine |
| CN106122385A (en) * | 2016-08-18 | 2016-11-16 | 张家港保税区永大机械有限公司 | A kind of twist bit |
| CN106122385B (en) * | 2016-08-18 | 2018-07-24 | 张家港保税区永大机械有限公司 | A kind of twist bit |
| CN106968598A (en) * | 2017-05-04 | 2017-07-21 | 西南石油大学 | A kind of unconventional super tight stratum high pulling torque boring means |
| CN106968598B (en) * | 2017-05-04 | 2019-01-08 | 西南石油大学 | A kind of unconventional super tight stratum large torque boring means |
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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 |