CN108223756A - A kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination - Google Patents
A kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination Download PDFInfo
- Publication number
- CN108223756A CN108223756A CN201810212320.1A CN201810212320A CN108223756A CN 108223756 A CN108223756 A CN 108223756A CN 201810212320 A CN201810212320 A CN 201810212320A CN 108223756 A CN108223756 A CN 108223756A
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- China
- Prior art keywords
- bit shank
- planetary
- impeller
- planetary gear
- shank sleeve
- 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.)
- Pending
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- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 13
- 230000001360 synchronised effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010021703 Indifference Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
- F16H47/08—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion
- F16H47/12—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion the members with orbital motion having vanes interacting with the fluid
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B1/00—Percussion drilling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of hollow rotating drill rod mechanisms of sliding-vane motor driving planetary gear speed-reduction combination, and including bit shank sleeve, bit shank sleeve realizes that turning pricker acts by the driving of vane pump planetary reducer assembly.The impeller sun gear that the present invention passes through one hollow siamese part of setting, the power realized between vane pump and planetary reduction gear transmits, and impeller sun gear and the centre of gyration of planetary reduction gear and bit shank sleeve are the same center of circle, shorten transmission chain size, transmission efficiency is improved, increases reliability；Reduce basal body structure size, reduce main screw lift, it is not eccentric, convenient for hand-held；Meanwhile it may be gas that power source of the invention, which can be liquid, more in terms of power source selection, applicable situation is extensive, also makes the present invention more practical, easily facilitates popularization and application.
Description
Technical field
It is used in coal mine, tunnel, railway, traffic, water power, national defence cubic meter of stone builds to foundation engineering the present invention relates to a kind of
The hollow rotating drill rod mechanism of rock drill, is used primarily on rock drill, comprising hydraulic pressure class rock drill and pneumatic class rock drill, specifically relates to
And a kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination, belong to engineering machinery field.
Background technology
As shown in Figure 1, the slewing equipment of the hydraulic drill used at present, is exported by the torque of hydraulic motor, warp
Gear, V belt translation, which slow down, transmits torque, so as to fulfill the revolution of drill steel and bore bit, is mainly made of three parts：First part by
Hydraulic motor 1, level-one driving wheel 3 and chamber shell 2 are formed.Second part is by jackshaft 9, level-one follower 23, clutch shaft bearing 4,
Two bearings 8 and synchronous driving wheel 7 are formed.Part III is by clutch shaft bearing 14, second bearing 18, synchronous follower 16, bit shank sleeve
11st, guide sleeve 10, outer cover 12, platen 13, core 15 and synchronous belt 6 are formed.
The principle of the slewing equipment is that the high pressure water that pumping plant provides is delivered to hydraulic motor 1, and driving hydraulic motor rotates,
Place is stretched in the axis of hydraulic motor, is connect with third flat key 24 with level-one driving wheel 3, the hydraulic motor of rotation drives level-one driving wheel
Rotation forms the first part of the slewing equipment；
The rotation of level-one driving wheel 3, drives meshed level-one follower 23, and level-one follower and jackshaft 9 pass through the
Two flat keys 22, the second snap ring 21 connect integral, and jackshaft 9 will synchronize master by clutch shaft bearing 4, second bearing 8 and spacer 5
The connection of driving wheel 7 is fixed, and forms the second part of the slewing equipment；
Synchronous follower 16 is assemblied on bit shank sleeve 11 and is connected by the first snap ring 17 and the first flat key 20.And pass through 3rd bearing
14th, the assembly relation of fourth bearing 18, core 15, platen 13, guide sleeve 10 and outer cover 12, the position of synchronous follower 16 is true
It is fixed, form the Part III of the slewing equipment.When synchronous driving wheel 7 rotates, by the connection of synchronous belt 6, synchronous quilt is driven
Driving wheel 16, bit shank sleeve 11 rotate together with, and piston 19 completes reciprocating impact movement in bit shank sleeve 11, so as to fulfill hydraulic drill
Turn pricker transmission.
Other examples are mostly that toothed belt transmission is changed to gear drive, rest part and example indifference.This kind of revolution dress
Put that there is following defects：Transmission chain size is long, and efficiency is low, and energy consumption is high；Structure size is big, and weight of equipment is big, and equipment is eccentric, no
Conducive to hand-held.
Invention content
The technical problem to be solved by the present invention is to overcome the above-mentioned deficiency of the prior art, it is short to provide a kind of transmission chain size,
Efficient, energy consumption is low, and basic structure size is small, the middle idle running of the small sliding-vane motor driving planetary gear speed-reduction combination of machine weight
Pricker mechanism.
To solve the above problems, the present invention uses following technical scheme：A kind of sliding-vane motor drives planetary gear speed-reduction group
The hollow rotating drill rod mechanism closed, including bit shank sleeve, bit shank sleeve realizes that turning pricker moves by the driving of vane pump planetary reducer assembly
Make.
It is that the present invention advanced optimizes said program below：The vane pump planetary reducer assembly includes
Planetary wheel carrier-the bit shank sleeve for being used to that bit shank sleeve to be driven to rotate set on bit shank sleeve.
It advanced optimizes：Circular array, which is shown, on the planetary wheel carrier-bit shank sleeve multiple can drive planetary wheel carrier-bit shank sleeve
The planetary gear of rotation.
It advanced optimizes：The multiple planetary external engagement has longitudinal section for stair-stepping planetary ring gear, and row
Star gear ring is coaxially assembled with bit shank sleeve.
It advanced optimizes：Position on the bit shank sleeve close to planetary wheel carrier-bit shank sleeve side is provided with to drive row
Impeller-sun gear of star gear rotation.
It advanced optimizes：Impeller-the sun gear is integrated two parts of connection, and a part is for impeller-too
The impeller of sun wheel unitary rotation, another part is the sun gear engaged with planetary gear.
It advanced optimizes：Circular array shows multiple blades that can be rotated with impeller-sun gear on the impeller.
It advanced optimizes：It is spaced apart on the excircle of the impeller to be equipped with pump case.
It advanced optimizes：Right pump piece is provided between the impeller and pump case and planetary ring gear and planetary gear.
It advanced optimizes：On the bit shank sleeve left pump piece is coaxially equipped with close to the position of impeller and pump case.
During work, after pressure medium enters vane pump by medium entrance, blade rotation acting, Jie after acting are pushed
Matter is rotated from media outlet aerial drainage or emptying, blade impeller-sun gear, the rotation drive planetary gear of impeller-sun gear,
Planetary wheel carrier-bit shank sleeve is rotated along fixed planetary ring gear, and the underdrive of planetary wheel carrier-bit shank sleeve is turning for rock drill
Pricker power, exchange media input, delivery outlet, vane pump can rotating, the direction of rotation of bit shank sleeve also changes correspondingly, and changes and enters
Rate-of flow, pressure or change planetary ring gear and the gear ratio of impeller-sun gear in vane pump can change planetary wheel carrier-pricker
Tail sleeve turns pricker speed and turns pricker torque, so as to adapt to the rock drilling equipment of different size.
The present invention is realized by impeller-sun gear of one hollow siamese part of setting between vane pump and planetary reduction gear
Power transmit, and bit shank sleeve is driven to do by planetary reduction gear and turn pricker and move, and impeller-sun gear and planetary reduction gear with
The centre of gyration of bit shank sleeve is the same center of circle, shortens transmission chain size, improves transmission efficiency, increases reliability；It reduces
Basal body structure size, reduces main screw lift, not eccentric, convenient for hand-held；Meanwhile pressure medium of the invention can be
Liquid may be gas, and applicable situation is extensive, also makes the present invention more practical, easily facilitates popularization and application.
The invention will be further described with reference to the accompanying drawings and examples.
Description of the drawings
Fig. 1 is the structure diagram of revolving structure in the background technology of the invention；
Fig. 2 is the structure diagram of the present invention in embodiment；
Fig. 3 is the structure diagram of vane pump planetary reducer assembly in embodiment of the invention；
Fig. 4 be in Fig. 3 A-A to sectional view；
Fig. 5 is the sectional view of B-B direction in Fig. 3.
In figure：1- hydraulic motors；2- chamber shells；3- level-one driving wheels；4- clutch shaft bearings；5- spacers；6- synchronous belts；7- is synchronized
Driving wheel；8- second bearings；9- jackshafts；10- guide sleeves；11- bit shank sleeves；12- outer covers；13- platens；14- 3rd bearings；15-
Core；16- synchronizes follower；The first snap rings of 17-；18- fourth bearings；19- pistons；The first flat keys of 20-；The second snap rings of 21-；
The second flat keys of 22-；23- level-one followers；24- third flat keys；25- impellers；26- sun gears；27- vane pump planetary gear speed-reductions
Device assembly；28- rock drill bodies；29- impellers-sun gear；30- planetary wheel carriers-bit shank sleeve；31- rock drill body interface sides；
32- bit shank sleeve right bearings；33- planet wheel spindles；34- planet wheel spindle bearings；35- connection bolts；36- planetary gears；37- planet teeth
Circle；The right pump pieces of 38-；39- pump cases；40- blades；41- springs；The left pump pieces of 42-；43- guide sleeve interface sides；44- bit shank sleeve left bearings；
45- impellers-sun wheel support bearing；46- medium entrances；47- media outlets.
Specific embodiment
Embodiment, as shown in Figures 2 to 5, a kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination,
Including bit shank sleeve 11, bit shank sleeve 11 drives realization to turn pricker and acts by vane pump planetary reducer assembly 27.
The vane pump planetary reducer assembly 27 is included on the excircle of bit shank sleeve 11 and bit shank sleeve 11 1
Planetary wheel carrier-bit shank sleeve 30 of body connection, and planetary wheel carrier-bit shank sleeve 30 is coaxially disposed with bit shank sleeve 11, planetary wheel carrier-bit shank
30 rotation of set drives bit shank sleeve 11 to rotate.
The side of the planetary wheel carrier-bit shank sleeve 30 is uniformly provided with multiple planetary gears 36 by the position of proximal edge,
It is each rotatablely connected between planetary gear 36 and planetary wheel carrier-bit shank sleeve 30, the rotation of planetary gear 36 drives planetary wheel carrier-bit shank
30 rotation of set.
Coaxially be equipped with planet wheel spindle 33 on each planetary gear 36 respectively, and each planetary gear 36 with it is corresponding
Planet wheel spindle bearing 34 is respectively arranged between planet wheel spindle 33.
One end of each planet wheel spindle 33 is respectively and fixedly installed on planetary wheel carrier-bit shank sleeve 30, and each planet
The axis of wheel shaft 33 is parallel with the axis of planetary wheel carrier-bit shank sleeve 30 respectively.
The external engagement of the multiple planetary gear 36 has longitudinal section for stair-stepping planetary ring gear 37, and planetary ring gear 37 is logical
Cross bit shank sleeve right bearing 32 and the coaxial assembling of bit shank sleeve 11.
The side of the planetary ring gear 37 is provided with rock drill body interface side 31 close to the position of bit shank sleeve right bearing 32,
Rock drill body interface side 31 is connect with rock drill body 28.
Position on the bit shank sleeve 11 close to 30 side of planetary wheel carrier-bit shank sleeve is provided with to drive planetary gear 36
Impeller-sun gear 29 of rotation.
Impeller-the sun gear 29 is by impeller-sun wheel support bearing 45 and the coaxial assembling of bit shank sleeve 11, impeller-too
Positive wheel support bearing 45 is used to support the rotation of impeller-sun gear 29, and layout in this way can reduce the radial structure ruler of the device
It is very little.
Impeller-the sun gear 29 is integrated two parts of connection, and a part is whole for impeller-sun gear 29
The impeller 25 of rotation, another part are the sun gear 26 engaged with planetary gear 36, and the rotation of sun gear 26 drives planetary gear 36
Rotation.
Circular array shows multiple blades 40 that can be rotated with impeller-sun gear 29, each blade on the impeller 25
40 are slidably mounted on respectively in the cavity that opposite position opens up on impeller 25.
It is spaced apart on the excircle of the impeller 25 to be coaxially equipped with pump case 39, it is offered in pump case 39 and impeller
The oval chamber of 25 coaxial arrangements, impeller 25 are coaxially mounted in the oval chamber.
Spring 41 is respectively arranged between each blade 40 and corresponding cavity inner bottom surface, each spring 41 can make
Corresponding blade 40 is withstood on the inner wall of pump case 39.
Right pump piece 38 is provided between the impeller 25 and pump case 39 and planetary ring gear 37 and planetary gear 36.
It is coaxially assembled by bit shank sleeve left bearing 44 close to the position of 39 side of impeller 25 and pump case on the bit shank sleeve 11
There is left pump piece 42, and the left side of left pump piece 42 is guide sleeve interface side 43.
The multiple blade 40 is by right pump piece 38, the left space pumped between piece 42, impeller 25 and pump case 39 is divided into and leaf
The equal multiple regions of the quantity of piece 40, in rotary course each region respectively with the medium entrance 46 that is set on pump case 39 or
Media outlet 47 communicates.
It is sealed respectively by sealing element, and pass through company between the left pump piece 42, pump case 39, right pump piece 38 and planetary ring gear 37
Connecting bolt 35 is fixedly connected.
The impeller 25, blade 40, spring 41, left pump piece 42, pump case 39 and right pump piece 38 form vane pump.
The sun gear 26, planetary gear 36, planetary ring gear 37, planet wheel spindle 33, planet wheel spindle bearing 34 and planetary gear
Frame-bit shank sleeve 30 forms planetary reduction gear.
During work, after pressure medium enters vane pump by medium entrance 46, the rotation acting of blade 40 is pushed, after acting
Medium from 47 aerial drainage of media outlet or emptying, 40 impellers of blade-sun gear 29 rotates, the rotation of impeller-sun gear 29
Planetary gear 36, planetary wheel carrier-bit shank sleeve 30 are driven, is rotated along fixed planetary ring gear 37, planetary wheel carrier-bit shank sleeve 30 subtracts
Speed rotation is that rock drill turns pricker power, exchange media input, delivery outlet, vane pump can rotating, the rotation of bit shank sleeve 11
Direction also changes correspondingly, and changes the rate-of flow entered in vane pump, pressure or changes planetary ring gear 37 and impeller-sun gear 29
Gear ratio can change turning pricker speed and turning pricker torque for planetary wheel carrier-bit shank sleeve 30, so as to adapt to the rock drilling of different size
Equipment.
The present invention is realized by impeller-sun gear of one hollow siamese part of setting between vane pump and planetary reduction gear
Power transmit, and bit shank sleeve is driven to do by planetary reduction gear and turn pricker and move, and impeller-sun gear and planetary reduction gear with
The centre of gyration of bit shank sleeve is the same center of circle, shortens transmission chain size, improves transmission efficiency, increases reliability；It reduces
Basal body structure size, reduces main screw lift, not eccentric, convenient for hand-held；Meanwhile pressure medium of the invention can be
Liquid may be gas, and applicable situation is extensive, also makes the present invention more practical, easily facilitates popularization and application.
Claims (10)
1. a kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination, including bit shank sleeve（11）, feature exists
In：Bit shank sleeve（11）By vane pump planetary reducer assembly（27）Driving, which is realized, turns pricker action.
2. a kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination according to claim 1, special
Sign is：The vane pump planetary reducer assembly（27）It is included in bit shank sleeve（11）Upper setting for driving bit shank
Set（11）Planetary wheel carrier-bit shank sleeve of rotation（30）.
3. a kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination according to claim 2, special
Sign is：Planetary wheel carrier-the bit shank sleeve（30）Upper circular array, which is shown, multiple can drive planetary wheel carrier-bit shank sleeve（30）Rotation
Planetary gear（36）.
4. a kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination according to claim 3, special
Sign is：The multiple planetary gear（36）External engagement have longitudinal section be stair-stepping planetary ring gear（37）, and planet tooth
Circle（37）With bit shank sleeve（11）Coaxial assembling.
5. a kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination according to claim 4, special
Sign is：The bit shank sleeve（11）Upper close planetary wheel carrier-bit shank sleeve（30）The position of side is provided with to drive planet tooth
Wheel（36）Impeller-sun gear of rotation（29）.
6. a kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination according to claim 5, special
Sign is：Impeller-the sun gear（29）Two parts of connection are integrated, a part is for impeller-sun gear（29）
The impeller of unitary rotation（25）, another part is and planetary gear（36）The sun gear of engagement（26）.
7. a kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination according to claim 6, special
Sign is：The impeller（25）Upper circular array show it is multiple can be with impeller-sun gear（29）The blade of rotation（40）.
8. a kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination according to claim 7, special
Sign is：The impeller（25）Excircle on spaced apart be equipped with pump case（39）.
9. a kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination according to claim 8, special
Sign is：The impeller（25）And pump case（39）With planetary ring gear（37）And planetary gear（36）Between be provided with right pump piece
（38）.
10. a kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination according to claim 9, special
Sign is：The bit shank sleeve（11）Upper close impeller（25）And pump case（39）Position be coaxially equipped with left pump piece（42）.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810212320.1A CN108223756A (en) | 2018-03-15 | 2018-03-15 | A kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination |
| PCT/CN2019/077746 WO2019174559A1 (en) | 2018-03-15 | 2019-03-12 | Hollow rotary drilling mechanism with combination of vane motor driving and planetary gear speed reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810212320.1A CN108223756A (en) | 2018-03-15 | 2018-03-15 | A kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108223756A true CN108223756A (en) | 2018-06-29 |
Family
ID=62659439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810212320.1A Pending CN108223756A (en) | 2018-03-15 | 2018-03-15 | A kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108223756A (en) |
| WO (1) | WO2019174559A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019174559A1 (en) * | 2018-03-15 | 2019-09-19 | 山东天瑞重工有限公司 | Hollow rotary drilling mechanism with combination of vane motor driving and planetary gear speed reduction |
| CN112443271A (en) * | 2019-08-30 | 2021-03-05 | 中国石油集团川庆钻探工程有限公司 | Underground self-rotating rock breaking device based on internal gear type hydraulic motor mechanism |
| CN112443448A (en) * | 2019-08-30 | 2021-03-05 | 中国石油集团川庆钻探工程有限公司 | Internal gear type hydraulic motor mechanism for downhole drilling tool |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB436667A (en) * | 1934-04-23 | 1935-10-16 | William Wharton | Improvements in variable speed power transmission mechanism |
| CN201037373Y (en) * | 2007-01-24 | 2008-03-19 | 中国矿业大学 | Rotating mechanism for pneumatic drilling machine |
| CN201771423U (en) * | 2010-09-13 | 2011-03-23 | 张红 | Novel pneumatic propeller for down hole drill |
| CN208010888U (en) * | 2018-03-15 | 2018-10-26 | 山东天瑞重工有限公司 | A kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2130205Y (en) * | 1992-07-14 | 1993-04-21 | 湖北省通城通用机械厂 | Light hydraulic rock drill |
| CN2359465Y (en) * | 1998-11-19 | 2000-01-19 | 蔡光起 | Independent rotary rock drill |
| CN202194562U (en) * | 2011-09-07 | 2012-04-18 | 湖南恒至凿岩科技有限公司 | Rotation power head of planetary drive drilling rig |
| DE102011089771A1 (en) * | 2011-12-23 | 2013-06-27 | Hilti Aktiengesellschaft | Tool device with a device for switching between a first and second gear ratio by reversing the direction of rotation |
| CN108223756A (en) * | 2018-03-15 | 2018-06-29 | 山东天瑞重工有限公司 | A kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination |
-
2018
- 2018-03-15 CN CN201810212320.1A patent/CN108223756A/en active Pending
-
2019
- 2019-03-12 WO PCT/CN2019/077746 patent/WO2019174559A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB436667A (en) * | 1934-04-23 | 1935-10-16 | William Wharton | Improvements in variable speed power transmission mechanism |
| CN201037373Y (en) * | 2007-01-24 | 2008-03-19 | 中国矿业大学 | Rotating mechanism for pneumatic drilling machine |
| CN201771423U (en) * | 2010-09-13 | 2011-03-23 | 张红 | Novel pneumatic propeller for down hole drill |
| CN208010888U (en) * | 2018-03-15 | 2018-10-26 | 山东天瑞重工有限公司 | A kind of hollow rotating drill rod mechanism of sliding-vane motor driving planetary gear speed-reduction combination |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019174559A1 (en) * | 2018-03-15 | 2019-09-19 | 山东天瑞重工有限公司 | Hollow rotary drilling mechanism with combination of vane motor driving and planetary gear speed reduction |
| CN112443271A (en) * | 2019-08-30 | 2021-03-05 | 中国石油集团川庆钻探工程有限公司 | Underground self-rotating rock breaking device based on internal gear type hydraulic motor mechanism |
| CN112443448A (en) * | 2019-08-30 | 2021-03-05 | 中国石油集团川庆钻探工程有限公司 | Internal gear type hydraulic motor mechanism for downhole drilling tool |
| CN112443448B (en) * | 2019-08-30 | 2024-04-30 | 中国石油集团川庆钻探工程有限公司 | Internal engaged gear type hydraulic motor mechanism for downhole drilling tool |
| CN112443271B (en) * | 2019-08-30 | 2024-04-30 | 中国石油集团川庆钻探工程有限公司 | Underground self-rotating rock breaking device based on internal meshing gear type hydraulic motor mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019174559A1 (en) | 2019-09-19 |
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Application publication date: 20180629 |