CN102537268A - Hydraulic clutching and gear-shifting transmission case of coal mine gallery drilling machine - Google Patents
Hydraulic clutching and gear-shifting transmission case of coal mine gallery drilling machine Download PDFInfo
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- CN102537268A CN102537268A CN2012100104266A CN201210010426A CN102537268A CN 102537268 A CN102537268 A CN 102537268A CN 2012100104266 A CN2012100104266 A CN 2012100104266A CN 201210010426 A CN201210010426 A CN 201210010426A CN 102537268 A CN102537268 A CN 102537268A
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Abstract
The invention discloses a hydraulic clutching and gear-shifting transmission case of a coal mine gallery drilling machine, comprising a motor, a case body assembly, a transmission device, a clutching device and a hydraulic control device. The direction of hydraulic oil is controlled through a reversing valve of the hydraulic control device so that the hydraulic oil enters into different gears of oil paths; a clutch in the clutching device is controlled to move by the different gears of the oil paths, so as to realize gear shifting. Compared with the prior art, the hydraulic clutching and gear-shifting transmission case of the coal mine gallery drilling machine has the advantages of simple and reasonable structure, small impact on a gear in the gear-shifting process, simplicity in operation and good system stability.
Description
Technical field
The present invention relates to the hydraulic clutch manual transmission of tunnel, a kind of colliery exploratory drilling rig.
Background technique
The exploration in tunnel, colliery, rig must select for use different rotating speeds to carry out geological drilling in the face of different geological stratifications, reaches the requirement of geologic prospecting, and art designs of the present invention is the hydraulic clutch manual transmission that is exclusively used in tunnel, colliery exploratory drilling rig.The rig gearbox of existing technology is to rely on manually-operable, regulates the engagement of different shifting gears of transmission and double-sliding gear, reaches the purpose of rig conversion rotating speed; But in the operating process of reality; The dislocation of tooth and teeth groove relative position, when not accomplishing gearshift, the impact that because of the rotation meeting engagement action is caused because of gear; Make the change gear engagement have certain difficulty, shifting gear also can cause wearing and tearing because of the impact that receives or damage; In use often need require to have certain operating experience, engage a gear smoothly to operator.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the defective that existing technology exists, provide a kind of simple and reasonable, gearshift is convenient and simple, to the hydraulic clutch manual transmission of little tunnel, the colliery exploratory drilling rig of gear impact.
The present invention addresses the above problem the technological scheme that is adopted: the hydraulic clutch manual transmission of this tunnel, colliery exploratory drilling rig, comprise motor, box assembly, transmission device, engaging and disengaging gear and hydraulic control device, and it is characterized in that:
Described transmission device comprises input shaft, jack shaft, output shaft, driving tooth wheels, clutch gear group, output gear, reverse idler gear and driving gear; Input shaft, jack shaft and output shaft are rotatably installed on the box assembly; The driving tooth wheels comprise first grade of gear, second grade of gear, third gear gear and reverse gear; The clutch gear group comprises first grade of clutch gear, second grade of clutch gear, third gear clutch gear and reverse gear clutch gear, and first grade of gear and reverse gear are fixedly mounted on the input shaft, and second grade of clutch gear and third gear clutch gear are rotatably installed on the input shaft; Second grade of gear and third gear gear are fixedly mounted on the jack shaft; First grade of clutch gear and reverse gear clutch gear are rotatably installed on the jack shaft, first grade of gear, second grade of gear, third gear gear respectively with first grade of clutch gear, second grade of clutch gear, the engagement of third gear clutch gear, reverse idler gear is rotatably installed on the box assembly; Driving gear is fixed on the output shaft; Reverse gear and reverse idler gear engagement, reverse idler gear and the engagement of reverse gear clutch gear, output gear and driving gear engagement; Adopt this structural formula to make and keep engagement between the gear of transmission, the impact that dislocation causes between the tooth of gear when having avoided gearshift tooth.
Described engaging and disengaging gear comprises first grade of clutch, second grade of clutch, third gear clutch and reverse clutch;
Described hydraulic control device comprises gear pump, selector valve, and selector valve connects first grade of clutch, second grade of clutch, third gear clutch and reverse clutch through the hydraulic channel group.Be implemented in different transforming gears through each clutch operating of selector valve control.
Of the present invention; Second grade of clutch and third gear clutch are fixed on the input shaft; First grade of clutch and reverse clutch are fixed on the jack shaft; First grade of clutch, second grade of clutch, third gear clutch and reverse clutch all are provided with active friction plate and driven friction, driven friction and first grade of clutch gear, second grade of clutch gear, third gear clutch gear, the clamping of reverse gear clutch gear, and active friction plate contacts under the drive of clutch with driven friction; Power transmission when realizing gearshift; First grade of clutch, second grade of clutch, third gear clutch and reverse clutch all are provided with oil cylinder ectosome, piston and clutch outer member, and the oil cylinder ectosome is fixed on input shaft and the jack shaft, and piston is arranged in the oil cylinder ectosome; Clutch outer member is connected on input shaft and the jack shaft; Active friction plate is connected on the clutch outer member, promotes active friction plate through piston and compresses driven friction, thereby make the gear of clutch gear group to rotate together with the place axle.
Hydraulic channel group of the present invention comprises offers second hydraulic channel, the 3rd hydraulic channel, first hydraulic channel and reverse gear hydraulic channel; Second hydraulic channel and the 3rd hydraulic channel are opened in the input shaft; First hydraulic channel and reverse gear hydraulic channel are opened in the jack shaft, and first hydraulic channel, second hydraulic channel, the 3rd hydraulic channel and reverse gear hydraulic channel are connected first grade of clutch, second grade of clutch, third gear clutch and reverse clutch respectively.Be arranged on the hydraulic channel group on input shaft and the jack shaft, simple in structure, firm, good airproof performance.
First hydraulic channel of the present invention feeds hydraulic oil through first oil duct that is opened on the box assembly with first oil groove that is opened on the jack shaft; Described second hydraulic channel feeds hydraulic oil through second oil duct that is opened on the box assembly with second oil groove that is opened on the input shaft; Described the 3rd hydraulic channel feeds hydraulic oil through the 3rd oil duct that is opened on the box assembly with the 3rd oil groove that is opened on the input shaft; Described reverse gear hydraulic channel feeds hydraulic oil through the reverse gear oil duct that is opened on the box assembly with the 4th oil groove that is opened on the jack shaft, and the both sides of first oil groove, second oil groove, the 3rd oil groove, the 4th oil groove are provided with the seal ring sealing.
All be provided with stage clip between first grade of clutch gear of the present invention, second grade of clutch gear, third gear clutch gear, reverse gear clutch gear and piston.Piston resetted when stage clip can be realized shifting gears.
The present invention also is provided with gear pump synchronous operation device; Described gear pump synchronous operation device comprises the power taking idle pulley that is fixedly mounted on the box assembly and the power take-off gear of driving gear pump; Described gear pump is fixed on the box assembly; Reverse gear clutch gear and the engagement of power taking idle pulley, power taking idle pulley and power take-off gear engagement.
Hydraulic control device of the present invention also is provided with reduction valve and cut-off valve between gear pump and selector valve.Reduction valve has been stablized the working pressure of the interior active friction plate of clutch and driven friction hydraulic oil under shift impact.
Input shaft of the present invention and jack shaft have the oil leab that leads to stage clip and bearing, the external reduction valve of oil leab.Reduction valve is sent superpressure oil into oil leab, realizes that gearbox internally-powered mobile lubrication transmits.
Box assembly of the present invention is provided with Mirror for indicating oil level.Height through oil level in the visible fuel tank of Mirror for indicating oil level.
The oil cylinder ectosome of first grade of clutch of the present invention and the oil cylinder ectosome of reverse clutch are integral structure; The clutch outer member of described first grade of clutch and the clutch outer member of reverse clutch are integral structure; The oil cylinder ectosome of described second grade of clutch and the oil cylinder ectosome of third gear clutch are integral structure, and the clutch outer member of the clutch outer member of described second grade of clutch and third gear clutch is an integral structure.
The present invention compared with prior art has the following advantages: impact simple and reasonable, to gear when shifting gears is little, simple to operate, the stability of a system is good.
Description of drawings
Fig. 1 is the structural representation of present embodiment.
Fig. 2 is the mounting structure schematic representation of the hydraulic control device of present embodiment.
Fig. 3 is the structural representation sectional structure schematic representation of present embodiment.。
Fig. 4 is the hydraulic control device principle schematic of the embodiment of the invention.
Fig. 5 is the structure for amplifying schematic representation at A place among Fig. 3.。
Fig. 6 is the structure for amplifying schematic representation at B place among Fig. 3.
Fig. 7 is the principle schematic of present embodiment gear pump synchronous operation device.
Fig. 8 is the structural representation of the present embodiment second input shaft end.
Fig. 9 is the principle schematic of first grade of clutch gear of present embodiment and driven friction clamping.
Figure 10 is the structural representation of first grade of active friction plate of present embodiment and first grade of clutch outer member clamping.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Referring to Fig. 1～Figure 10, present embodiment comprises motor 1, box assembly, engaging and disengaging gear, hydraulic control device and gear pump synchronous operation device.Box assembly is established and is comprised main box body 2, connecting sleeve 3, auxiliary housing 4, land 5, fixed cover 49.Transmission device is established and is comprised input shaft, jack shaft, output shaft 6, driving tooth wheels, clutch gear group, output gear 7, reverse idler gear 8 and driving gear 9; The driving tooth wheels comprise first grade of gear 10, second grade of gear 11, third gear gear 12 and reverse gear 13; The clutch gear group comprises first grade of clutch gear 14, second grade of clutch gear 15, third gear clutch gear 16 and reverse gear clutch gear 17; Input shaft comprises first input shaft 18 and second input shaft 19, and jack shaft comprises first jack shaft 20 and second jack shaft 21.Engaging and disengaging gear comprises first grade of clutch I, second grade of clutch II, third gear clutch III, reverse clutch IV.First grade of clutch I comprises the first oil cylinder ectosome 22, first piston 23, first grade of clutch I shell 24; First active friction plate 25 and 26, the second grades of clutch II of first driven friction comprise the second oil cylinder ectosome 27, second piston 28, second grade of clutch outer member 29, second active friction plate 30 and second driven friction 31.Third gear clutch III comprises the 3rd oil cylinder ectosome 32, the 3rd piston 33, third gear clutch III shell 34, the 3rd active friction plate 35 and the 3rd driven friction 36, and the reverse clutch IV comprises reverse gear oil cylinder ectosome 37, reverse gear piston 38, reverse clutch IV shell 39, reverse gear active friction plate 40 and reverse gear driven friction 41.Hydraulic control device comprises gear pump 42, oil purifier 43, reduction valve 44, cut-off valve 45, pressure gauge 46, selector valve 47, Mirror for indicating oil level 48, hydraulic channel group, and the hydraulic channel group comprises first hydraulic channel 50, second hydraulic channel 51, the 3rd hydraulic channel 52, reverse gear hydraulic channel 53.Gear pump synchronous operation device comprises power taking idler shaft 54, power taking idle pulley 55, power take-off gear 56.
Annexation is: motor 1 is tightened fixing with connecting sleeve 3 usefulness bolts; Gear pump 42 is fixed on the main box body 2 with Mirror for indicating oil level 48; Reduction valve 44, cut-off valve 45, selector valve 47 pressure gauges 46 are fixed with main box body 2 welding; Main box body 2 is fixed with the second lubricant oil interface 58 and the first lubricant oil interface 57; Cut-off valve 45 is fixed with third gear hydraulic interface 61, second grade of hydraulic interface 60, first grade of hydraulic interface 59 and reverse gear hydraulic interface 62, and land 5 has second lubricating oil inlet 68, reverse gear hydraulic inlet 66 and first grade of hydraulic inlet 63, and auxiliary housing 4 has third gear hydraulic inlet 65, second grade of hydraulic inlet 64 and first lubricating oil inlet 67; First grade of hydraulic interface 59 is connected with first grade of hydraulic inlet, 63 usefulness oil pipes; Second grade of hydraulic interface 60 is connected with second grade of hydraulic inlet, 64 usefulness oil pipes, and third gear hydraulic interface 61 is connected with third gear hydraulic inlet 65 usefulness oil pipes, and reverse gear hydraulic interface 62 is connected with reverse gear hydraulic inlet 66 usefulness oil pipes; The first lubricant oil interface 57 is connected with first lubricating oil inlet, 67 usefulness oil pipes, and the second lubricant oil interface 58 is connected with second lubricating oil inlet, 68 usefulness oil pipes.
One end of the motor shaft of motor 1 and first input shaft 18 is fixed, and first input shaft 18 is rotatably installed on the main box body 2 through bearing, and reverse gear 13 and first grade of gear 10 are fixed on first input shaft 18.
The other end of second input shaft 19 and first input shaft 18 connects and fixes and is rotatably installed on the main box body 2 through bearing; Second input shaft 19 has second hydraulic channel 51 and the 3rd hydraulic channel 52 and first oil leab 74; Be provided with the end sealing of sealing head with an end and the 3rd hydraulic channel 52 of second hydraulic channel 51; Second input shaft 19 has second oil groove 77, the 3rd oil groove 78 and seal ring draw-in groove 80; Seal ring draw-in groove 80 cards have seal ring; The second oil cylinder ectosome 27 is inserted in second input shaft 19 and fixing with 19 welding of second input shaft, and second input shaft 19 is inserted in after snapping in seal ring in the inner ring of second piston 28 and outer ring, is provided with second stage clip 82 and is inserted in second input shaft 19; Second grade of clutch gear 15 and 31 clampings of second driven friction; The seal ring and second active friction plate 30 snap in 29, the second grades of clutch gears 15 of second grade of clutch outer member and are rotatably installed on second input shaft 19 through bearing, and second stage clip 82 is between second piston 28 and second grade of clutch gear 15; Second clutch shell 29 be connected to that (second clutch shell 29 inwalls are provided with the double wedge clamping of groove and second input shaft, 19 cylindricals on second input shaft 19; Second clutch shell 29 receive clamping assembling to influence relative second input shaft 19 of radial direction static, but axial direction still can be movable relatively), be provided with four second active friction plates 30 and five second driven friction 31 and compartmentation arrangement altogether.The installation method of third gear clutch gear 16, the 3rd stage clip 83, third gear clutch III is identical with second grade of clutch II.Fixed cover 49 is inserted in second input shaft 19 back to be tightened fixingly with bolt and main box body 2, fixed cover 49 has second oil duct 71, the 3rd oil duct, first oil leab 74.First lubrication channel is connected with first lubricating oil inlet 67 through first oil leab 74; Second hydraulic channel 51 is connected with the 3rd oil duct with second oil duct 71 respectively with the 3rd hydraulic channel 52; Second oil duct 71 is connected with third gear hydraulic inlet 65 with second grade of hydraulic inlet 64 respectively with the 3rd oil duct, and first oil leab 74 leads to second clutch gear-bearing 86, three-clutch gear-bearing 87, second stage clip 82 and the 3rd stage clip 83.
First grade of clutch gear 14 and first grade of gear 10 engagement; Second grade of clutch gear 15 and second grade of gear 11 engagement; Third gear gear 12 and 16 engagements of third gear clutch gear, output gear 7 and driving gear 9 engagements, the reverse idler gear axle is fixed on the main box body 2; Reverse idler gear 8 is rotatably installed on the reverse idler gear axle through bearing, reverse idler gear 8 and reverse gear 13,17 engagements of reverse gear clutch gear.
Power taking idler shaft 54 is fixed on the main box body 2; Power taking idle pulley 55 is rotatably installed on the power taking idler shaft 54 through bearing; Power taking idle pulley 55 and 17 engagements of reverse gear clutch gear, 42 of the gear pumps of power take-off gear 56 and gear pump 42 are fixedly connected, power take-off gear 56 and 55 engagements of power taking idle pulley.
The oil cylinder ectosome of the described first grade of clutch I of present embodiment and the oil cylinder ectosome of reverse clutch IV are integral structure; The clutch outer member of the clutch outer member of described first grade of clutch I and reverse clutch IV is an integral structure; The oil cylinder ectosome of described second grade of clutch II and the oil cylinder ectosome of third gear clutch are integral structure, and the clutch outer member of the clutch outer member of described second grade of clutch II and third gear clutch III is an integral structure.
The working procedure principle:
When selector valve 47 gearshifts; Oil pressure meeting moment reduction, gearshift finish the back oil pressure and return to working pressure again, the working pressure of hydraulic oil under the shift impact of reduction valve interior active friction plate of 44 assurance clutches and driven friction; Under the voltage stabilizing control of reduction valve 44; When having limited high workload oil pressure, superpressure oil is sent into second oil leab 75 and first oil leab 74 respectively from the second lubricant oil interface 58 and the first lubricant oil interface 57, realize that gearbox internally-powered mobile lubrication transmits.
Break down if gearbox is in operation, as long as close cut-off valve 45, hydraulic oil cuts off, and active friction plate and driven friction are thrown off in the clutch, stop transmission of power, and cut-off valve 45 plays the effect of protection gearbox.
Whole gearbox is a closed oil tank, through the height of oil level in the Mirror for indicating oil level 48 visible fuel tanks.
Motor 1 driven gear pump 42 transmits hydraulic power, makes hydraulic oil sucking-off from fuel tank get into oil purifier 43, and hydraulic oil flows into reduction valve 44 from oil purifier 43; Get into cut-off valve 45 again; Get into selector valve 47 from cut-off valve 45 again,, make hydraulic oil get into different shelves oil circuits through selector valve 47 control hydraulic oil directions; Selector valve 47 is designed with neutral gear, reverse gear, first grade, second grade, third gear, altogether five shelves of shelves.
When selector valve 47 was controlled at neutral gear, hydraulic oil was cut off, and all active friction plates and driven friction all keep the state that separates, and 1 in motor drives first input shaft 18 and rotates with second input shaft 19, is neutral at this moment.
When selector valve 47 control is shifted gears first grade the time; Hydraulic oil gets into first grade of hydraulic inlet 63 from first grade of hydraulic interface 59; Get into first hydraulic channel 50 through first oil duct 7049, thereby promote first piston 23, make win active friction plate 25 and first driven friction 26 compressed mutually by axial action; Rotate thereby drive jack shaft, and then drive first grade of power transmission of output shaft 6 realizations.
When the shift gears working procedure of second grade, third gear and reverse gear of selector valve 47 control identical with first grade of principle, so no longer narrate.
Spring can make that piston resets rapidly in shift process, realize that active friction plate separates with driven friction fast.
In motor 1 working procedure, reverse gear 13, reverse idler gear 8, reverse gear clutch gear 17, power taking idle pulley 55 are normal rotation status, as long as motor 1 just work of working gear pump 42 realizes 42 synchronous operations of unit driven gear pump.
Though the present invention with embodiment openly as above; But it is not in order to limit protection scope of the present invention; Any technician who is familiar with this technology, change and the retouching in not breaking away from design of the present invention and scope, done all should belong to protection scope of the present invention.
Claims (10)
1. the hydraulic clutch manual transmission of tunnel, colliery exploratory drilling rig comprises motor, box assembly, transmission device, engaging and disengaging gear and hydraulic control device, it is characterized in that:
Described transmission device comprises input shaft, jack shaft, output shaft, driving tooth wheels, clutch gear group, output gear, reverse idler gear and driving gear; Input shaft, jack shaft and output shaft are rotatably installed on the box assembly; The driving tooth wheels comprise first grade of gear, second grade of gear, third gear gear and reverse gear; The clutch gear group comprises first grade of clutch gear, second grade of clutch gear, third gear clutch gear and reverse gear clutch gear, and first grade of gear and reverse gear are fixedly mounted on the input shaft, and second grade of clutch gear and third gear clutch gear are rotatably installed on the input shaft; Second grade of gear and third gear gear are fixedly mounted on the jack shaft; First grade of clutch gear and reverse gear clutch gear are rotatably installed on the jack shaft, first grade of gear, second grade of gear, third gear gear respectively with first grade of clutch gear, second grade of clutch gear, the engagement of third gear clutch gear, reverse idler gear is rotatably installed on the box assembly; Driving gear is fixed on the output shaft; Reverse gear and reverse idler gear engagement, reverse idler gear and the engagement of reverse gear clutch gear, output gear and driving gear engagement;
Described engaging and disengaging gear comprises first grade of clutch, second grade of clutch, third gear clutch and reverse clutch;
Described hydraulic control device comprises gear pump, selector valve, and selector valve connects first grade of clutch, second grade of clutch, third gear clutch, reverse clutch through the hydraulic channel group.
2. hydraulic clutch manual transmission according to claim 1; It is characterized in that: described second grade of clutch and third gear clutch are fixed on the input shaft; First grade of clutch and reverse clutch are fixed on the jack shaft; First grade of clutch, second grade of clutch, third gear clutch and reverse clutch all are provided with active friction plate and driven friction; Driven friction and first grade of clutch gear, second grade of clutch gear, third gear clutch gear, the clamping of reverse gear clutch gear; First grade of clutch, second grade of clutch, third gear clutch and reverse clutch all are provided with oil cylinder ectosome, piston and clutch outer member, and the oil cylinder ectosome is fixed on input shaft and the jack shaft, and piston is arranged in the oil cylinder ectosome; Clutch outer member is connected on input shaft and the jack shaft, and active friction plate is connected on the clutch outer member.
3. hydraulic clutch manual transmission according to claim 1 and 2; It is characterized in that: described hydraulic channel group comprises offers second hydraulic channel, the 3rd hydraulic channel, first hydraulic channel and reverse gear hydraulic channel; Second hydraulic channel and the 3rd hydraulic channel are opened in the input shaft; First hydraulic channel and reverse gear hydraulic channel are opened in the jack shaft, and first hydraulic channel, second hydraulic channel, the 3rd hydraulic channel and reverse gear hydraulic channel are connected first grade of clutch, second grade of clutch, third gear clutch and reverse clutch respectively.
4. hydraulic clutch manual transmission according to claim 3; It is characterized in that: described first hydraulic channel feeds hydraulic oil through first oil duct that is opened on the box assembly with first oil groove that is opened on the jack shaft; Described second hydraulic channel feeds hydraulic oil through second oil duct that is opened on the box assembly with second oil groove that is opened on the input shaft; Described the 3rd hydraulic channel feeds hydraulic oil through the 3rd oil duct that is opened on the box assembly with the 3rd oil groove that is opened on the input shaft; Described reverse gear hydraulic channel feeds hydraulic oil through the reverse gear oil duct that is opened on the box assembly with the 4th oil groove that is opened on the jack shaft, and the both sides of first oil groove, second oil groove, the 3rd oil groove, the 4th oil groove are provided with the seal ring sealing.
5. hydraulic clutch manual transmission according to claim 1 and 2 is characterized in that: all be provided with stage clip between described first grade of clutch gear, second grade of clutch gear, third gear clutch gear, reverse gear clutch gear and piston.
6. hydraulic clutch manual transmission according to claim 1 and 2; It is characterized in that: also be provided with gear pump synchronous operation device; Described gear pump synchronous operation device comprises the power taking idle pulley that is fixedly mounted on the box assembly and the power take-off gear of driving gear pump; Described gear pump is fixed on the box assembly, reverse gear clutch gear and the engagement of power taking idle pulley, power taking idle pulley and power take-off gear engagement.
7. hydraulic clutch manual transmission according to claim 1 and 2 is characterized in that: described hydraulic control device also is provided with reduction valve and cut-off valve between gear pump and selector valve.
8. hydraulic clutch manual transmission according to claim 7 is characterized in that: described input shaft and jack shaft have the oil leab that leads to stage clip and bearing, the external reduction valve of oil leab.
9. hydraulic clutch manual transmission according to claim 1 and 2 is characterized in that: described box assembly is provided with Mirror for indicating oil level.
10. hydraulic clutch manual transmission according to claim 2; It is characterized in that: the oil cylinder ectosome of described first grade of clutch and the oil cylinder ectosome of reverse clutch are integral structure; The clutch outer member of described first grade of clutch and the clutch outer member of reverse clutch are integral structure; The oil cylinder ectosome of described second grade of clutch and the oil cylinder ectosome of third gear clutch are integral structure, and the clutch outer member of the clutch outer member of described second grade of clutch and third gear clutch is an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210010426.6A CN102537268B (en) | 2012-01-13 | 2012-01-13 | Hydraulic clutching and gear-shifting transmission case of coal mine gallery drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210010426.6A CN102537268B (en) | 2012-01-13 | 2012-01-13 | Hydraulic clutching and gear-shifting transmission case of coal mine gallery drilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN102537268A true CN102537268A (en) | 2012-07-04 |
| CN102537268B CN102537268B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210010426.6A Expired - Fee Related CN102537268B (en) | 2012-01-13 | 2012-01-13 | Hydraulic clutching and gear-shifting transmission case of coal mine gallery drilling machine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046870A (en) * | 2012-12-17 | 2013-04-17 | 中交第一航务工程勘察设计院有限公司 | Percussion drill suitable for construction under complex sea area condition |
| CN105587847A (en) * | 2016-03-08 | 2016-05-18 | 张鹏 | Automatic transmission |
| CN108953363A (en) * | 2018-06-27 | 2018-12-07 | 盛瑞传动股份有限公司 | input shaft and gearbox |
| CN111322390A (en) * | 2019-11-29 | 2020-06-23 | 福建中维动力科技股份有限公司 | Four-gear transmission speed change control system |
| CN111322391A (en) * | 2019-11-29 | 2020-06-23 | 福建中维动力科技股份有限公司 | Speed change control system of off-axis two-gear transmission |
| CN111319609A (en) * | 2019-12-27 | 2020-06-23 | 福建中维动力科技股份有限公司 | Reverse control system based on compact hybrid power system |
| CN111322361A (en) * | 2019-11-29 | 2020-06-23 | 福建中维动力科技股份有限公司 | Eight-gear transmission speed change control system |
| CN114935418A (en) * | 2022-05-13 | 2022-08-23 | 西安理工大学 | High-precision torque and rotating speed measuring device of rotary cutter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105587847A (en) * | 2016-03-08 | 2016-05-18 | 张鹏 | Automatic transmission |
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| CN111322390A (en) * | 2019-11-29 | 2020-06-23 | 福建中维动力科技股份有限公司 | Four-gear transmission speed change control system |
| CN111322391A (en) * | 2019-11-29 | 2020-06-23 | 福建中维动力科技股份有限公司 | Speed change control system of off-axis two-gear transmission |
| CN111322361A (en) * | 2019-11-29 | 2020-06-23 | 福建中维动力科技股份有限公司 | Eight-gear transmission speed change control system |
| CN111322391B (en) * | 2019-11-29 | 2021-09-14 | 福建中维动力科技股份有限公司 | Speed change control system of off-axis two-gear transmission |
| CN111322390B (en) * | 2019-11-29 | 2021-11-02 | 福建中维动力科技股份有限公司 | Four-gear transmission speed change control system |
| CN111319609A (en) * | 2019-12-27 | 2020-06-23 | 福建中维动力科技股份有限公司 | Reverse control system based on compact hybrid power system |
| CN111319609B (en) * | 2019-12-27 | 2023-09-26 | 福建中维动力科技股份有限公司 | Reversing control system based on compact hybrid power system |
| CN114935418A (en) * | 2022-05-13 | 2022-08-23 | 西安理工大学 | High-precision torque and rotating speed measuring device of rotary cutter |
| CN114935418B (en) * | 2022-05-13 | 2023-09-29 | 西安理工大学 | High-precision torque and rotation speed measuring device of rotary-cut instrument |
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|---|---|
| CN102537268B (en) | 2014-09-03 |
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