CN106223838A - The double speed change rotary motive power head of high pulling torque double motor - Google Patents
The double speed change rotary motive power head of high pulling torque double motor Download PDFInfo
- Publication number
- CN106223838A CN106223838A CN201610832016.8A CN201610832016A CN106223838A CN 106223838 A CN106223838 A CN 106223838A CN 201610832016 A CN201610832016 A CN 201610832016A CN 106223838 A CN106223838 A CN 106223838A
- Authority
- CN
- China
- Prior art keywords
- gear
- shaft
- oil
- joystick
- hydraulic motor
- 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
Links
- 239000003921 oil Substances 0.000 claims description 38
- 239000010687 lubricating oil Substances 0.000 claims description 12
- 239000002828 fuel tank Substances 0.000 claims description 10
- 239000004519 grease Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 description 6
- 238000005461 lubrication Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
Classifications
-
- 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention relates to the double speed change rotary motive power head of a kind of rotary motive power head, specifically high pulling torque double motor, belong to drill power head equipment technical field.It includes power box, and in power box, center is provided with splined shaft, and gear shaft one end of the splined shaft left and right sides connects hydraulic motor, and hydraulic motor driven gear axle rotates.The hydraulic motor of the splined shaft left and right sides controls assembly by hydraulic motor and connects hydraulic motor joystick, and hydraulic motor joystick can control two hydraulic motors and work individually or simultaneously.Present configuration is simple, compact, reasonable, and hydraulic pressure and the double speed change of machinery, gear is many so that the revolution range of speeds is the widest, is suitable for multiple behaviour in service；Self-lubricating mechanism extends the life-span of gear and bearing；Double motor driving torque is greatly increased.
Description
Technical field
The present invention relates to the double speed change rotary motive power head of a kind of rotary motive power head, specifically high pulling torque double motor, belong to
Drill power head equipment technical field.
Background technology
At present, domestic all-hydraulic power head churn typically uses single variable-speed dynamic head, including hydraulic pressure list variable-speed dynamic head
With machinery list variable-speed dynamic head.Operationally, rotary torque becomes big to unit head, and speed of gyration just diminishes；Speed of gyration uprises, and returns
Torque just diminishes.Unit head internal gear abrasion severity, bearing is the worst, is especially easier to bad during DTH drilling, unloads brill
During bar, drilling rod thread is the worst.
Summary of the invention
It is an object of the invention to overcome above-mentioned weak point, thus provide a kind of high pulling torque double motor double speed change back rotation
Power head, uses mechanical speed change and hydraulic speed-changing to combine so that the revolution range of speeds is wider, easily realizes turning round by stirring of handle
Square and the conversion of rotating speed.
The technical scheme provided according to the present invention, the double speed change rotary motive power head of high pulling torque double motor includes power box, its
Feature is: in power box, center is provided with splined shaft, and the splined shaft left and right sides is provided with gear shaft, and splined shaft passes through the first engaging tooth
Wheel assembly is connected transmission with gear shaft；Gear shaft one end of the splined shaft left and right sides connects hydraulic motor, and hydraulic motor drives tooth
Wheel shaft rotates；The hydraulic motor of the splined shaft left and right sides controls assembly by hydraulic motor and connects hydraulic motor joystick, liquid
Pressure motor joystick can control two hydraulic motors and work individually or simultaneously；Main shaft it is provided with below splined shaft, logical on main shaft
Crossing spline and connect core pipe, core pipe is provided with the first mainshaft gear and the second mainshaft gear；Connected inside and outside on splined shaft by bearing
Gear, internal-external gear and the engagement of the first mainshaft gear connect, and splined shaft connects balladeur train, and balladeur train is with splined shaft
Rotate, can slide axially along splined shaft again simultaneously；Balladeur train can be nibbled with the internal tooth of internal-external gear, the second mainshaft gear
Closing, balladeur train connects the shifting shaft being rotatably connected on power box top by shift fork, shifting shaft connects and stirs handle, dial
Fixed handle drives shifting shaft to rotate, and shifting shaft drives balladeur train to slide axially along splined shaft further through shift fork.
Further, the first meshing gear assembly includes the spline shaft gear being connected on splined shaft and is arranged on gear shaft
On gear shaft gear, spline shaft gear and gear shaft gear engagement connect.
Further, hydraulic motor controls assembly and includes that fuel tank, oil pump, rotary valve, joystick handle valve and draining threeway,
Fuel tank oil-out connects joystick by flowline and handles the oil-in of valve, and flowline is provided with oil pump, and joystick is handled
Two oil-outs of valve connect the oil inlet end of two hydraulic motors respectively by flowline, and the oil revolving end of two hydraulic motors passes through
Oil return pipe connect rotary valve two oil revolving ends, the oil outlet end of rotary valve by oil pipe connection hydraulic motor and joystick handle valve it
Between flowline, the draining end of two hydraulic motors connects the two ends of draining threeway, and the other end of draining threeway passes through drain mast
Connecting fuel tank, joystick is handled and is connected hydraulic motor joystick on valve, controls hands by hydraulic motor joystick
Handle handles valve.
Further, core pipe front end jointed rod joint.
Further, being provided with self-lubricating mechanism in power box, self-lubricating mechanism includes the lubrication being connected on splined shaft
Oil pump, grease pump connects lubricating oil pipe, and the oil inlet end of lubricating oil pipe is fastened on the oil-Absorbing nozzle bottom power box, profit
The oil outlet end of oil pipe connects the first atomizer and the second atomizer being installed on headstock body wall.
Further, the first atomizer is positioned at the first meshing gear assembly offside.
Further, the second atomizer is positioned at core tubular shaft offside.
Compared with the prior art the present invention has the advantage that
Present configuration is simple, compact, reasonable, and hydraulic pressure and the double speed change of machinery, gear is many so that the revolution range of speeds is the widest, suitable
Close multiple behaviour in service；Self-lubricating mechanism extends the life-span of gear and bearing；Double motor driving torque is greatly increased.
Accompanying drawing explanation
Fig. 1 is side view of the present invention.
Fig. 2 is top view of the present invention.
Fig. 3 is that hydraulic motor controls assembly hydraulic schematic diagram.
Description of reference numerals: 1-power box, 2-splined shaft, 3-hydraulic motor, 4-gear shaft, 5-spline shaft gear, 6-
Gear shaft gear, 7-hydraulic motor control assembly, 8-hydraulic motor joystick, 9-fuel tank, 10-oil pump, 11-rotary valve, 12-control
Stick control valve processed, 13-draining threeway, 14-main shaft, 15-core pipe, 16-the first mainshaft gear, 17-the second mainshaft gear, 18-
Tool joint, 19-internal-external gear, 20-balladeur train, 21-shift fork, 22-shifting shaft, 23-stir handle, 24-grease pump,
25-lubricating oil pipe, 26-the first atomizer, 27-oil-Absorbing nozzle, 28-the second atomizer.
Detailed description of the invention
The embodiment combined in accompanying drawing is further described by the present invention below:
As shown in Figure 1 and 2, the invention mainly comprises power box 1, in power box 1, center is provided with splined shaft 2, and splined shaft 2 is left
Right both sides are provided with gear shaft 4, and splined shaft 2 is connected transmission by the first meshing gear assembly with gear shaft 4.Splined shaft about 2 two
Gear shaft 4 one end of side connects hydraulic motor 3, and hydraulic motor 3 driven gear axle 4 rotates.Described first meshing gear assembly bag
Include the spline shaft gear 5 being connected on splined shaft 2 and the gear shaft gear 6 being arranged on gear shaft 4, spline shaft gear 5 and tooth
Wheel axle gear 6 engagement connects.
The hydraulic motor 3 of splined shaft 2 left and right sides controls assembly 7 by hydraulic motor and connects hydraulic motor joystick 8,
Hydraulic motor joystick 8 can control two hydraulic motors 3 and work individually or simultaneously.As it is shown on figure 3, described hydraulic motor control
Assembly 7 processed includes that fuel tank 9, oil pump 10, rotary valve 11, joystick handle valve 12 and draining threeway 13, and fuel tank 9 oil-out passes through
Oil pipe connects joystick and handles the oil-in of valve 12, and flowline is provided with oil pump 10.Two of joystick manipulation valve 12 go out
Hydraulic fluid port connects the oil inlet end of two hydraulic motors 3 respectively by flowline, and the oil revolving end of two hydraulic motors 3 is by oil return pipe even
Switch through two oil revolving ends of valve 11, the oil outlet end of rotary valve 11 by oil pipe connection hydraulic motor 3 and joystick handle valve 12 it
Between flowline.The draining end of two hydraulic motors 3 connects the two ends of draining threeway 13, and the other end of draining threeway 13 is by letting out
Oil pipe connects fuel tank 9.Joystick is handled and is connected hydraulic motor joystick 8 on valve 12, is controlled by hydraulic motor joystick 8
Joystick processed handles valve 12.
It is provided with main shaft 14 below splined shaft 2, main shaft 14 connects core pipe 15 by spline.Core pipe 15 is provided with the first main shaft
Gear 16 and the second mainshaft gear 17, core pipe 15 front end jointed rod joint 18, can jointed rod by tool joint.
Connecting internal-external gear 19 by bearing on splined shaft 2, internal-external gear 19 is connected with the first mainshaft gear 16 engagement.Flower
Connecting balladeur train 20 on key axle 2, balladeur train 20 rotates with splined shaft 2, axially can slide along splined shaft 2 again simultaneously
Dynamic.Balladeur train 20 can engage with the internal tooth of internal-external gear 19, the second mainshaft gear 17.Balladeur train 20 is by shift fork 21 even
Switch through the shifting shaft 22 being automatically connected in power box 1 top, shifting shaft 22 connects and stirs handle 23, stir handle 23 drive and dial
Moving axis 22 rotates, and shifting shaft 22 drives balladeur train 20 to slide axially along splined shaft 2 further through shift fork 21, when balladeur train 20
When slipping into internal-external gear 19, balladeur train 20 drives internal-external gear 19 to rotate, and internal-external gear 19 drives again main shaft 14 to rotate, now
Main shaft 14 output is in top gear；When balladeur train 20 slides into second mainshaft gear 17 position of engagement, balladeur train 20
Directly driving main shaft 14 to rotate, now main shaft 14 output is in low or first gear.
Being provided with self-lubricating mechanism in power box 1, the first meshing gear assembly can be lubricated by self-lubricating mechanism.From
Lubricating structure includes the grease pump 24 being connected on splined shaft 2, and grease pump 24 connects lubricating oil pipe 25, lubricating oil pipe 25
Oil inlet end be fastened on the oil-Absorbing nozzle 27 bottom power box 1, the oil outlet end of lubricating oil pipe 25 connects and is installed in headstock
The first atomizer 26 and the second atomizer 28 on body 1 wall.First atomizer 26 is positioned at the first meshing gear assembly offside, and first
Atomizer 26 is for providing lubricating oil to the first meshing gear assembly, and the second atomizer 28 is positioned at core pipe 15 bearing offside, and second
Atomizer 28 is for providing lubricating oil to core pipe 15 bearing.During self-lubricating mechanism work, grease pump 24, from bottom oil suction, passes through
Lubricating oil pipe is delivered to not stop lubrication at the first meshing gear assembly and core pipe 15 bearing, substantially increases the longevity of gear train and bearing
Life.
The operation principle of the present invention is: during work, and hydraulic motor joystick 8 controls single or two hydraulic motors 3 and drives
Dynamic splined shaft 2 rotates.Stirring handle drives balladeur train to move left and right along splined shaft, when balladeur train 20 slips into by shift fork
During internal-external gear 19, balladeur train 20 drives internal-external gear 19 to rotate, and internal-external gear 19 drives again main shaft 14 to rotate, now main shaft
14 outputs are in top gear；When balladeur train 20 slides into second mainshaft gear 17 position of engagement, balladeur train 20 is direct
Driving main shaft 14 to rotate, now main shaft 14 output is in low or first gear.During self-lubricating mechanism work, grease pump 24 is inhaled from bottom
Oil, delivers to not stop lubrication at the first meshing gear assembly and at core pipe 15 bearing by lubricating oil pipe, substantially increases gear train
Life-span with bearing.
Present configuration is simple, compact, reasonable, and hydraulic pressure and the double speed change of machinery, gear is many so that the revolution range of speeds is very
Width, is suitable for multiple behaviour in service；Self-lubricating mechanism extends the life-span of gear and bearing；Double motor driving torque is greatly increased.
Claims (7)
1. the double speed change rotary motive power head of high pulling torque double motor, including power box (1), is characterized in that: in power box (1)
Center is provided with splined shaft (2), and splined shaft (2) left and right sides is provided with gear shaft (4), and splined shaft (2) passes through the first engaging tooth wheels
Part is connected transmission with gear shaft (4)；Gear shaft (4) one end of splined shaft (2) left and right sides connects hydraulic motor (3), hydraulic pressure horse
Reach (3) driven gear axle (4) to rotate；The hydraulic motor (3) of splined shaft (2) left and right sides controls assembly (7) by hydraulic motor
Connecting hydraulic motor joystick (8), hydraulic motor joystick (8) can control two hydraulic motors (3) individually or simultaneously
Work；Splined shaft (2) lower section is provided with main shaft (14), and main shaft (14) connects core pipe (15) by spline, and core pipe (15) is provided with
First mainshaft gear (16) and the second mainshaft gear (17)；Internal-external gear (19), interior external tooth is connected by bearing on splined shaft (2)
Wheel (19) is connected with the first mainshaft gear (16) engagement, and splined shaft (2) connects balladeur train (20), and balladeur train (20) is with flower
Key axle (2) rotates together, can slide axially along splined shaft (2) again simultaneously；Balladeur train (20) can be with internal-external gear
(19) internal tooth, the second mainshaft gear (17) engagement, balladeur train (20) is rotatably connected on headstock by shift fork (21) connection
The shifting shaft (22) at body (1) top, the upper connection of shifting shaft (22) is stirred handle (23), is stirred handle (23) and drive shifting shaft (22)
Rotating, shifting shaft (22) drives balladeur train (20) to slide axially along splined shaft (2) further through shift fork (21).
2. the double speed change rotary motive power head of high pulling torque double motor as claimed in claim 1, is characterized in that: described first meshing gear
Assembly includes the spline shaft gear (5) being connected on splined shaft (2) and the gear shaft gear (6) being arranged on gear shaft (4), flower
Key shaft gear (5) and gear shaft gear (6) engagement connect.
3. the double speed change rotary motive power head of high pulling torque double motor as claimed in claim 1, is characterized in that: described hydraulic motor controls
Assembly (7) includes that fuel tank (9), oil pump (10), rotary valve (11), joystick handle valve (12) and draining threeway (13), fuel tank (9)
Oil-out connects joystick by flowline and handles the oil-in of valve (12), and flowline is provided with oil pump (10), joystick
Two oil-outs handling valve (12) connect the oil inlet end of two hydraulic motors (3), two hydraulic motors respectively by flowline
(3) oil revolving end connects two oil revolving ends of rotary valve (11) by oil return pipe, and the oil outlet end of rotary valve (11) connects liquid by oil pipe
Pressure motor (3) and joystick handle the flowline between valve (12), and the draining end of two hydraulic motors (3) connects draining threeway
(13) two ends, the other end of draining threeway (13) connects fuel tank (9) by drain mast, and joystick handles the upper connection of valve (12)
Hydraulic motor joystick (8), controls joystick by hydraulic motor joystick (8) and handles valve (12).
4. the double speed change rotary motive power head of high pulling torque double motor as claimed in claim 1, is characterized in that: described core pipe (15) front end
Jointed rod joint (18).
5. the double speed change rotary motive power head of high pulling torque double motor as claimed in claim 1, is characterized in that: described power box (1)
Inside being provided with self-lubricating mechanism, self-lubricating mechanism includes the grease pump (24) being connected on splined shaft (2), on grease pump (24)
Connecting lubricating oil pipe (25), the oil inlet end of lubricating oil pipe (25) is fastened on the oil-Absorbing nozzle (27) of power box (1) bottom, profit
The oil outlet end of oil pipe (25) connects the first atomizer (26) and the second atomizer (28) being installed on power box (1) wall.
6. the double speed change rotary motive power head of high pulling torque double motor as claimed in claim 5, is characterized in that: described first atomizer
(26) the first meshing gear assembly offside it is positioned at.
7. the double speed change rotary motive power head of high pulling torque double motor as claimed in claim 5, is characterized in that: described second atomizer
(28) core pipe (15) bearing offside it is positioned at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610832016.8A CN106223838A (en) | 2016-09-19 | 2016-09-19 | The double speed change rotary motive power head of high pulling torque double motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610832016.8A CN106223838A (en) | 2016-09-19 | 2016-09-19 | The double speed change rotary motive power head of high pulling torque double motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106223838A true CN106223838A (en) | 2016-12-14 |
Family
ID=58076092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610832016.8A Pending CN106223838A (en) | 2016-09-19 | 2016-09-19 | The double speed change rotary motive power head of high pulling torque double motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106223838A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166919A (en) * | 2017-12-22 | 2018-06-15 | 中地装重庆探矿机械有限公司 | A kind of oild chuck power head device and drilling equipment |
| CN113833419A (en) * | 2021-09-07 | 2021-12-24 | 中煤科工集团西安研究院有限公司 | Multi-power combined type drilling machine double-chuck rotation system and method |
| CN114593354A (en) * | 2022-03-16 | 2022-06-07 | 佳木斯电机股份有限公司 | Lubricating system for self-lubricating motor of ultra-low-speed sliding bearing |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201050297Y (en) * | 2007-06-11 | 2008-04-23 | 马宝安 | Driller power head |
| CN201148836Y (en) * | 2007-11-29 | 2008-11-12 | 中国地质装备总公司 | Hydraulic rock core drilling machine power head |
| CN201176848Y (en) * | 2008-03-05 | 2009-01-07 | 连云港黄海机械厂有限公司 | All hydraulic drive rig power head |
| JP2011069140A (en) * | 2009-09-28 | 2011-04-07 | Ybm Co Ltd | Ground construction machine and tool driving control method for the same |
| CN103573930A (en) * | 2013-10-11 | 2014-02-12 | 陶德明 | Multi-stage rotation speed and multi-power power head |
| CN104675991A (en) * | 2013-11-29 | 2015-06-03 | 天津萨克赛斯机械技术开发有限公司 | Hydraulic synchronous gear-shifting system |
| CN104747700A (en) * | 2015-03-25 | 2015-07-01 | 山东钢铁股份有限公司 | Gear box lubricating system |
| CN206111082U (en) * | 2016-09-19 | 2017-04-19 | 江苏省无锡探矿机械总厂有限公司 | Two variable speed gyration unit heads of big moment of torsion double motor |
-
2016
- 2016-09-19 CN CN201610832016.8A patent/CN106223838A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201050297Y (en) * | 2007-06-11 | 2008-04-23 | 马宝安 | Driller power head |
| CN201148836Y (en) * | 2007-11-29 | 2008-11-12 | 中国地质装备总公司 | Hydraulic rock core drilling machine power head |
| CN201176848Y (en) * | 2008-03-05 | 2009-01-07 | 连云港黄海机械厂有限公司 | All hydraulic drive rig power head |
| JP2011069140A (en) * | 2009-09-28 | 2011-04-07 | Ybm Co Ltd | Ground construction machine and tool driving control method for the same |
| CN103573930A (en) * | 2013-10-11 | 2014-02-12 | 陶德明 | Multi-stage rotation speed and multi-power power head |
| CN104675991A (en) * | 2013-11-29 | 2015-06-03 | 天津萨克赛斯机械技术开发有限公司 | Hydraulic synchronous gear-shifting system |
| CN104747700A (en) * | 2015-03-25 | 2015-07-01 | 山东钢铁股份有限公司 | Gear box lubricating system |
| CN206111082U (en) * | 2016-09-19 | 2017-04-19 | 江苏省无锡探矿机械总厂有限公司 | Two variable speed gyration unit heads of big moment of torsion double motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166919A (en) * | 2017-12-22 | 2018-06-15 | 中地装重庆探矿机械有限公司 | A kind of oild chuck power head device and drilling equipment |
| CN113833419A (en) * | 2021-09-07 | 2021-12-24 | 中煤科工集团西安研究院有限公司 | Multi-power combined type drilling machine double-chuck rotation system and method |
| CN113833419B (en) * | 2021-09-07 | 2024-02-13 | 中煤科工集团西安研究院有限公司 | Double-chuck rotary system and method for drilling machine in multi-power combined mode |
| CN114593354A (en) * | 2022-03-16 | 2022-06-07 | 佳木斯电机股份有限公司 | Lubricating system for self-lubricating motor of ultra-low-speed sliding bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102278463B (en) | Electro-hydraulic and electro-mechanical control system for a dual clutch transmission | |
| CN103982132B (en) | A kind of geological prospecting Alternative drill power head | |
| CN106223838A (en) | The double speed change rotary motive power head of high pulling torque double motor | |
| CN204477279U (en) | A kind of mechanical automatic speed-changing case shift-selecting and changing actuating mechanism | |
| CN101417613A (en) | Drop box for powertrain | |
| CN206111082U (en) | Two variable speed gyration unit heads of big moment of torsion double motor | |
| CN107110326A (en) | Hydraulic mechanical type automatic gear-box and its applicable vehicle | |
| CN105065620A (en) | Hydraulic transmission system driven by four wheels | |
| CN104315140A (en) | Speed changing box of motor-driven gear shifting mechanism | |
| CN206972839U (en) | A kind of two grades of gearboxes of high-pressure pump | |
| CN206918188U (en) | One kind becomes prompt drop away from transfer case | |
| CN110435680A (en) | A kind of GK type operating condition diesel locomotive hydraulic transmission gear box | |
| CN207111873U (en) | Hydraulic machinery stepless speed change device mechanical gear box | |
| KR101093586B1 (en) | Automatic transmission for lubrication | |
| CN204533424U (en) | A kind of sprocket combination reaction type speed changer | |
| CN106678293A (en) | Worm-gear transmission system of reel irrigator | |
| SE532031C2 (en) | Tray for gearbox and gearbox | |
| KR100608569B1 (en) | Lubrication structure of manual transmission | |
| CN206159409U (en) | Torque converter gets system of forces lubricating system all | |
| CN109838512A (en) | A kind of two grades of gearboxes of high-pressure pump | |
| CN105329792B (en) | A kind of capstan winch | |
| CN204508657U (en) | Reel built-in planetary gear-shift speed reducer | |
| CN201953924U (en) | Clutch gearbox for slurry pump | |
| CN220396008U (en) | Cam type double rotor pump with manual mechanical speed regulation | |
| CN101915288A (en) | Clutch gearbox for slurry pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |
|
| RJ01 | Rejection of invention patent application after publication |