CN211423277U - Pneumatic jumbolter speed reduction transmission device - Google Patents
Pneumatic jumbolter speed reduction transmission device Download PDFInfo
- Publication number
- CN211423277U CN211423277U CN201922229080.9U CN201922229080U CN211423277U CN 211423277 U CN211423277 U CN 211423277U CN 201922229080 U CN201922229080 U CN 201922229080U CN 211423277 U CN211423277 U CN 211423277U
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- China
- Prior art keywords
- main shaft
- gear
- driven gear
- driving gear
- grade
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- 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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- 230000005540 biological transmission Effects 0.000 title claims abstract description 27
- 238000005553 drilling Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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- Drilling And Boring (AREA)
- Earth Drilling (AREA)
Abstract
The utility model discloses a pneumatic roofbolter speed reduction transmission, the upper end and the stock drill bit drill bushing fixed connection of main shaft, the following part of main shaft stretches into inside the gear box, the both ends of main shaft are fixed inside the gear box through two tapered roller bearing suspensions, the transmission part is including the one-level driving gear, the one-level driven gear, second grade driving gear and second grade driven gear, one-level driving gear and one-level driven gear meshing transmission, the one-level driven gear is installed in same pivot with the second grade driving gear, second grade driving gear and second grade driven gear meshing transmission, the lower extreme at the main shaft is installed to the second grade driven gear. The utility model discloses the main shaft leans on a pair of tapered roller bearing suspension in both ends to fix in the gear box, makes the main shaft and can easily rotate, can transmit the drilling moment of torsion again, can also bear axial force, axial vibration impact force, radial force, the radial pendulum power that comes from main shaft upper end stock drill bit production, also can not hairpin, generate heat under exceeding rated revolution.
Description
Technical Field
The utility model relates to the technical field of, especially, relate to a pneumatic roofbolter speed reduction transmission can bear the axial force, radial pendulum power, the axial vibration impact force that come from main shaft upper end roofbolter production and drilling moment of torsion, and this speed reduction transmission design is brief reasonable, the assembly adjustment is simple and easy, easy maintenance, with low costs, the skin is real durable.
Background
The prior art pneumatic jumbolter speed reduction transmission device is shown in figure 1, a main shaft is suspended and fixed in a gear box by three bearings, an upper deep groove ball bearing and a lower deep groove ball bearing are respectively arranged at the upper part and the lower part, a plane thrust ball bearing is arranged in the middle, because the deep groove ball bearing is characterized by being capable of bearing high-speed rotation (the main shaft has lower rotating speed), but the radial force is medium, the axial force is small, the axial vibration impact force is poor, the pneumatic jumbolter has larger radial swinging force, larger axial force and larger axial vibration impact force during drilling, the plane thrust ball bearing can only bear larger one-way axial force, the other axial force is required to be borne by two deep groove ball bearings, and the relative position relation of the three bearings is damaged, so that the damage of the three bearings is accelerated, in addition, the structure has more complex parts and high, the machining, assembly, adjustment and maintenance are not easy, the relative position relation of the three bearings is difficult to maintain, the service life of the three bearings is shortened, and the after-sale service cost is increased.
Disclosure of Invention
The utility model aims at providing a pneumatic jumbolter speed reduction transmission in order to remedy prior art's defect.
The utility model discloses a realize through following technical scheme:
a pneumatic jumbolter speed reduction transmission device comprises a jumbolter drill sleeve, a gear box, a main shaft and a transmission part, wherein the main shaft and the transmission part are arranged inside the gear box, the upper end of the main shaft is fixedly connected with the jumbolter drill sleeve, the lower part of the main shaft extends into the gear box, two ends of the main shaft are fixed inside the gear box in a suspension mode through two tapered roller bearings, the transmission part comprises a first-stage driving gear, a first-stage driven gear, a second-stage driving gear and a second-stage driven gear, the first-stage driving gear and the first-stage driven gear are in meshing transmission, the first-stage driven gear and the second-stage driving gear are arranged on the same rotating shaft, the second-stage driving gear and the second-.
And the lower end of the main shaft is also respectively provided with a round nut and a check washer.
The upper end and the lower end of the rotating shaft of the first-stage driven gear and the second-stage driving gear are fixed in the gear box through deep groove ball bearings.
The first-stage driving gear is the output end of an external driving device, the rotating speed and the torque are input through the output end of the driving device, the first-stage driving gear is decelerated and transmitted to the first-stage driven gear through the input rotation of the first-stage driving gear of the driving device, the second-stage driving gear is driven to rotate, and the second-stage deceleration is transmitted to the second-stage driven gear, so that the main shaft and the anchor rod drill bit are driven to drill.
The utility model has the advantages that: the utility model discloses the main shaft is fixed in the gear box by the suspension of a pair of tapered roller bearing in both ends, two tapered roller bearing's clearance is adjusted and locking through the round nut, make the main shaft and can easily rotate, can transmit the drilling moment of torsion again, can also bear the axial force that comes from main shaft upper end stock drill bit production, axial vibration impact force (two-way), radial force, radial pendulum power, can not hairpin, generate heat under exceeding rated revolution, the life of main shaft bearing has been improved, reduce main shaft bearing maintenance and change, reduce after-sale service cost, this simple structure part is few in addition, processing, assembly, adjustment and maintenance are all easier, also reduce manufacturing cost.
Drawings
Fig. 1 is a block diagram of a reduction gear of a pneumatic jumbolter according to the prior art.
Fig. 2 is the utility model discloses a pneumatic roofbolter speed reduction transmission structure sketch map.
Detailed Description
The present invention provides a pneumatic jumbolter reduction gear, which will be described in further detail with reference to the accompanying drawings.
As shown in figure 2, the utility model provides a speed reduction transmission device of a pneumatic jumbolter, which comprises a jumbolter drill sleeve 1, a gear box 2, a main shaft 3 and a transmission part, wherein the main shaft 3 and the transmission part are arranged inside the gear box 2, the upper end of the main shaft 3 is fixedly connected with the anchor rod drill bit sleeve 1, the lower part of the main shaft 3 extends into the gear box 2, the two ends of the main shaft 3 are suspended and fixed in the gear box 2 through two tapered roller bearings 4, the transmission part comprises a first-stage driving gear 5, a first-stage driven gear 6, a second-stage driving gear 7 and a second-stage driven gear 8, the first-stage driving gear 5 is in meshing transmission with the first-stage driven gear 6, the first-stage driven gear 6 and the second-stage driving gear 7 are arranged on the same rotating shaft 9, the second-stage driving gear 7 is in meshing transmission with the second-stage driven gear 8, and the second-stage driven gear 8 is arranged at the lower end of the main shaft 3.
The lower end of the main shaft 3 is also respectively provided with a round nut 10 and a locking washer 11.
The upper end and the lower end of a rotating shaft 9 of the primary driven gear 6 and the secondary driving gear 7 are fixed in the gear box 2 through deep groove ball bearings 12.
Claims (3)
1. The utility model provides a pneumatic jumbolter speed reduction transmission which characterized in that: the anchor rod drill bit sleeve comprises an anchor rod drill bit sleeve (1), a gear box (2), a main shaft (3) and a transmission part, wherein the main shaft (3) and the transmission part are installed inside the gear box (2), the upper end of the main shaft (3) is fixedly connected with the anchor rod drill bit sleeve (1), the lower part of the main shaft (3) extends into the gear box (2), two ends of the main shaft (3) are fixed inside the gear box (2) in a suspending way through two tapered roller bearings (4), the transmission part comprises a first-stage driving gear (5), a first-stage driven gear (6), a second-stage driving gear (7) and a second-stage driven gear (8), the first-stage driving gear (5) is in meshing transmission with the first-stage driven gear (6), the first-stage driven gear (6) and the second-stage driving gear (7) are installed on the same rotating shaft (9), and the second-, the secondary driven gear (8) is arranged at the lower end of the main shaft (3).
2. The pneumatic jumbolter reduction gear of claim 1, wherein: the lower end of the main shaft (3) is also respectively provided with a round nut (10) and a check washer (11).
3. The pneumatic jumbolter reduction gear of claim 1, wherein: the upper end and the lower end of a rotating shaft (9) of the primary driven gear (6) and the secondary driving gear (7) are fixed in the gear box (2) through deep groove ball bearings (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922229080.9U CN211423277U (en) | 2019-12-13 | 2019-12-13 | Pneumatic jumbolter speed reduction transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922229080.9U CN211423277U (en) | 2019-12-13 | 2019-12-13 | Pneumatic jumbolter speed reduction transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211423277U true CN211423277U (en) | 2020-09-04 |
Family
ID=72281075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922229080.9U Expired - Fee Related CN211423277U (en) | 2019-12-13 | 2019-12-13 | Pneumatic jumbolter speed reduction transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211423277U (en) |
-
2019
- 2019-12-13 CN CN201922229080.9U patent/CN211423277U/en not_active Expired - Fee Related
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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: 20200904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |