CN204082877U - A kind of equal distribution angle hydraulic cylinder type motor bent axle - Google Patents
A kind of equal distribution angle hydraulic cylinder type motor bent axle Download PDFInfo
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- CN204082877U CN204082877U CN201420405400.6U CN201420405400U CN204082877U CN 204082877 U CN204082877 U CN 204082877U CN 201420405400 U CN201420405400 U CN 201420405400U CN 204082877 U CN204082877 U CN 204082877U
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- piston crank
- clamping plate
- connection set
- axle
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Abstract
The utility model belongs to mining hydraulic field of motors, particularly discloses a kind of equal distribution angle hydraulic cylinder type motor bent axle; A kind of structure is simple, safety coefficient is high in order to provide for technical problem to be solved, long service life and oil hydraulic cylinder transform linear motion can be become a kind of equal distribution angle hydraulic cylinder type motor bent axle of rotation motion; Comprise three groups of first, second, and third piston crank connection sets be arranged side by side, jack shaft, output shaft and tailing axle, second piston crank connection set is fixedly connected with the first, the 3rd piston crank connection set with the axle mounting hole interference fit on clamping plate respectively by jack shaft, and the crank pin of first piston crank connecting device, the second piston crank connection set and the 3rd piston crank connection set is uniformly distributed in 120 degree centered by axle mounting hole; Output shaft is fixedly connected with the axle mounting hole of clamping plate outside first piston crank connecting device, and tailing axle is fixedly connected with the axle mounting hole of clamping plate outside the 3rd piston crank connection set.
Description
Technical field
The utility model belongs to mining hydraulic field of motors, particularly relates to a kind of equal distribution angle hydraulic cylinder type motor bent axle.
Background technique
Coal industry is the pillar industry of China, and the safety in coal mining is again the most important thing.Because underground coal mine often can exist gas, the main component of gas is alkane, and wherein methane accounts for the overwhelming majority; separately there are a small amount of ethane, propane and butane; in addition general also containing hydrogen sulfide, carbon dioxide, nitrogen and aqueous vapor, and the inert gas of trace, as helium and argon etc.At standard conditions, methane exists to butane with gaseous state, more than pentane is liquid.As naked light, i.e., there is " gas " blast, directly threaten the life safety of miner in incendivity.In order to reduce and prevent the generation of hair explosive accident, must be high to the requirement of underground work safety coefficient.
Along with the development of new and high technology and modern production, the output in colliery is also in rising from year to year, coal mine equipment also just seems even more important for the development in colliery, and become the key factor of a restriction colliery development, the efficiency of coal mine equipment directly affects the manufacturing efficiency of mine.Therefore the coal mine equipment developing efficient quick safety is a vital task of China's coal-mine industrial construction.
The common equipment in colliery comprises coal winning machine, flight conveyer, traction locomotive and overhead trolley etc.Wherein coal winning machine breaks coal with rotary work mechanism, and loaded the coal-cutting machinery of conveyor or other haulage devices, the power source of coal winning machine flight conveyer is cable and drives motor to run at working surface, and such coal-face exists unsafe factor, and risk factor is high.
Current mining underground scraper conveyor, its power system is by driven by motor retarder, retarder drives the sprocket shaft group work of equipment, because sprocket shaft group needs frequent speed governing and frequent start-stop, the impact of motor frequent start-stop to electrical network is large, and the sprocket shaft group of high pulling torque to scraper conveyor during start and stop causes very large impact shock, sprocket shaft group is short for working life.
And overhead trolley is due to the impact not by base plate condition, its haulage drift arrangement convenience saves space and conveying efficiency is high.But overhead trolley technology is also in developing stage at home, monorail crane locomotive walking, on the track hanging on top, tunnel, by diesel engine powers, relies on running wheel and interorbital frictional force drives overhead trolley to walk.Diesel engine needs to consume a large amount of diesel oil in the course of the work, and it is discharged a large amount of high temperature hot gas and there is potential safety hazard.
Above-mentioned several coal mine machinery, traditional motor or diesel engine is adopted mainly due to power input, this power input mode is not suitable for coal mine machinery equipment and uses, very large potential safety hazard can be there is in the process that coal mine equipment uses, cause the safety coefficient of staff under ore deposit higher, the development constraining colliery downhole equipment that therefore existing power input device is serious.
Model utility content
The utility model overcomes the deficiency that prior art exists, and a kind of structure is simple, safety coefficient is high in order to provide for technical problem to be solved, long service life and oil hydraulic cylinder transform linear motion can be become a kind of equal distribution angle hydraulic cylinder type motor bent axle of rotation motion.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of equal distribution angle hydraulic cylinder type motor bent axle, comprise the first piston crank connecting device that three groups of structures be arranged side by side are identical, second piston crank connection set, 3rd piston crank connection set, jack shaft, output shaft and tailing axle, described first, second and the 3rd piston crank connection set to include two entirety be circular clamping plate, the center of described clamping plate is provided with axle mounting hole, clamping plate around described axle mounting hole are provided with three in 120 degree of equally distributed pin shaft holes, two Boards wall are connected with clamping plate upper pin hole interference fit by single crank pin between two clamping plate,
The outer side surface of described clamping plate is provided with cam, described cam is made up of two concentric waney smaller part annulus and more than half annulus, cam on two clamping plate of each piston crank connection set is in oppositely arranging, and the smaller part annulus of cam and the center line of the separatrix of more than half annulus and the center line of crank pin and axle mounting hole are positioned at same plane;
Described second piston crank connection set is fixedly connected with first piston crank connecting device, the 3rd piston crank connection set with the axle mounting hole interference fit on clamping plate respectively by jack shaft, and the crank pin of first piston crank connecting device, the second piston crank connection set and the 3rd piston crank connection set is uniformly distributed in 120 degree centered by axle mounting hole;
Described output shaft is fixedly connected with the axle mounting hole of clamping plate outside first piston crank connecting device, and described tailing axle is fixedly connected with the axle mounting hole of clamping plate outside the 3rd piston crank connection set.
Preferably, between described smaller part annulus and more than half annulus, be provided with transition linkage section, described transition linkage section and smaller part annulus and more than half annulus rounding off.Can ensure that roller is when being transitioned into more than half annulus from smaller part annulus, there will not be and significantly beats like this, thus affect the stability of whole hydraulic cylinder type motor.
Preferably, described cam with screw can be adopted between clamping plate to add interference fit be connected, also can adopt cam and the one-body molded setting of clamping plate.
Preferably, described output shaft, be connected with interference fit by key between tailing axle with axle mounting hole.
The utility model compared with prior art has following beneficial effect.
First, first, second, and third piston crank connection set is linked into an integrated entity by crank pin by bent axle of the present utility model, crank pin and axle mounting hole bias are installed, such crank pin, oil hydraulic cylinder and bent axle inherently can form a bar linkage structure, thus the straight reciprocating motion of oil hydraulic cylinder are converted into the continuous rotary motion of bent axle.
Second, the crank pin of first, second, and third piston crank connection set is uniformly distributed in 120 degree centered by axle mounting hole, be connected three oil hydraulic cylinders with three piston crank connection sets and jointly provide power to bent axle, this makes it possible to the amplitude of beating reducing bent axle output speed and torque, make the output speed of bent axle and torque more steady.
3rd, utilize the control system of the cam structure that is oppositely arranged and pure machinery, just can the to-and-fro motion of hydraulic control cylinder, do not need at the electrical apparatus control system adding other, be applicable to underground coal mine to use, can not potential safety hazard be increased, reduce down-hole accident incidence rate.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is the structural representation of hydraulic cylinder type motor.
Fig. 2 is the plan structure schematic diagram of hydraulic cylinder type motor.
Fig. 3 is the structural representation of casing.
Fig. 4 is the structural representation of bent axle.
Fig. 5 is the main TV structure schematic diagram of Fig. 4.
Fig. 6 is the left side structure schematic diagram of Fig. 4.
Fig. 7 is the structural representation of cam.
Fig. 8 is the linkage structure schematic diagram of control system and casing front end assemblies.
Fig. 9 is output speed and the turning moment diagram of the bent axle of hydraulic cylinder type motor.
In figure: 1 is casing, 11 is earrings, 12 is oil hydraulic cylinder mounting hole, 13 is casing semicircle seat, 2 is oil hydraulic cylinder, 21 is oil hydraulic cylinder earrings, 22 is hydraulic cylinder piston termination, 23 is piston end skull, 3 is bent axle, 31 is first piston crank connecting device, 311 is clamping plate, 312 is axle mounting hole, 313 is pin shaft hole, 314 is crank pin, 315 is cam, 3151 is smaller part annulus, 3152 is more than half annulus, 3153 is transition linkage section, 32 is the second piston crank connection set, 33 is the 3rd piston crank connection set, 34 is jack shaft, 35 is output shaft, 36 is tailing axle, 4 is casing front end assemblies, 41 is front end body, 42 is casing front end semicircle seat, 43 is jack shaft supporting base, 44 is pilot hole, 45 is guide sleeve, 5 is control system, 51 is first to kowtow device, 511 for kowtowing on a left side, 512 for kowtowing on the right side, 513 is tappet, 52 is second to kowtow device, 53 is the 3rd to kowtow device, 54 is seat of kowtowing, 55 is spring, 56 is roller, 6 is control valve.
Embodiment
As shown in Fig. 1-Fig. 3, equal distribution angle hydraulic cylinder type motor, comprise casing 1, three oil hydraulic cylinders 2, bent axle 3, casing front end assemblies 4, control system 5, described casing 1 entirety is shell construction, the rear end of casing 1 inside is arranged side by side three for installing the earrings 11 of oil hydraulic cylinder 2, described earrings 11 is provided with oil hydraulic cylinder mounting hole 12, and the front end of casing 1 is provided with the casing semicircle seat 13 installing bent axle 3, and described casing semicircle seat 13 is provided with the tapped hole be connected with casing front end assemblies 4; Described casing front end assemblies 4 is fixedly connected with casing 1 and is fixed by described bent axle 3, described three oil hydraulic cylinder earrings 21 are fixedly connected with the oil hydraulic cylinder mounting hole 12 of casing 1 inside, hydraulic cylinder piston termination 22 is connected by piston end skull 23 with bent axle 3, the while that oil hydraulic cylinder 2 to-and-fro motion band dynamic crankshaft 3 rotating, bent axle 3 is with autocontrol system 5 to move, and described control system 5 controls the to-and-fro motion of three oil hydraulic cylinders 2 thus band dynamic crankshaft 3 does continuous print rotation motion.
As Figure 4-Figure 7, described bent axle 3 comprises the identical first piston crank connecting device 31 of three groups of structures be arranged side by side, second piston crank connection set 32, 3rd piston crank connection set 33, jack shaft 34, output shaft 35 and tailing axle 36, described first, second and the 3rd piston crank connection set 31, 32, 33 include the clamping plate 311 that two entirety are circle, the center of described clamping plate 311 is provided with axle mounting hole 312, clamping plate 311 around described axle mounting hole 312 are provided with three in 120 degree of equally distributed pin shaft holes 313, two clamping plate 311 are fixedly connected with clamping plate 311 upper pin hole 313 interference fit by single crank pin 314 between two clamping plate 311,
The outer side surface of described clamping plate 311 is provided with cam 315, described cam 315 is made up of two concentric waney smaller part annulus 3151 and more than half annulus 3152, cam 315 on two clamping plate 311 of each piston crank connection set is in oppositely arranging, and the center line of the smaller part annulus 3151 of cam 315 and the separatrix of more than half annulus 3152 and crank pin 314 and the center line of axle mounting hole 312 are positioned at same plane;
Described second piston crank connection set 32 is fixedly connected with first piston crank connecting device 31, the 3rd piston crank connection set 33 with axle mounting hole 312 interference fit on clamping plate 311 respectively by jack shaft 34, and the crank pin 314 of first piston crank connecting device 31, second piston crank connection set 32 and the 3rd piston crank connection set 33 is uniformly distributed in 120 degree centered by axle mounting hole 312;
Described output shaft 35 is fixedly connected with the axle mounting hole 312 of clamping plate outside first piston crank connecting device 31, and described tailing axle 36 is fixedly connected with the axle mounting hole 312 of clamping plate outside the 3rd piston crank connection set 33.
The working procedure of bent axle 3: three oil hydraulic cylinders 2 are connected with the crank pin 314 of the 3rd piston crank connection set 33 respectively at first piston crank connecting device 31, second piston crank connection set 32, because the crank pin 314 of first piston crank connecting device 31, second piston crank connection set 32 and the 3rd piston crank connection set 33 is uniformly distributed in 120 degree centered by axle mounting hole 312, such bent axle 3 just can do continuous print rotation motion under the driving of three oil hydraulic cylinders 2, thus stable rotating speed and torque can be provided to export.
Preferably, between described smaller part annulus 3151 and more than half annulus 3152, be provided with transition linkage section 3153, described transition linkage section 3513 and smaller part annulus 3151 and more than half annulus 3152 rounding off.
Preferably, described cam 315 with screw can be adopted between clamping plate 311 to add interference fit be connected, also can adopt cam 315 and the one-body molded setting of clamping plate 311.
Preferably, described output shaft 35, be connected with interference fit by key between tailing axle 36 with axle mounting hole 312.
As shown in Figure 8, described casing front end assemblies 4 comprises front end body 41, the two ends of described front end body 41 are provided with casing front end semicircle seat 42, described casing front end semicircle seat 42 is provided with the tapped hole be connected with casing 1, casing front end semicircle seat 42 and casing semicircle seat 13 are threaded and the output shaft 35 of bent axle 3 and tailing axle 36 are fixed, jack shaft supporting base 43 is arranged side by side between described casing front end semicircle seat 42, described jack shaft supporting base 43 is to opening structure, two of bent axle 3 jack shafts 34 are fixed by jack shaft supporting base 43, front end body 41 between described casing front end semicircle seat 42 and jack shaft supporting base 43 is provided with the pilot hole 44 for installing tappet 56.
Preferably, described output shaft 35, tailing axle 36 and jack shaft 34 are provided with bearing shell.
Preferably, the first device 51, second device 52 and the 3rd of kowtowing of kowtowing that described control system 5 comprises structure identical is kowtowed device 53, described first device 51, second device 52 and the 3rd device 53 of kowtowing of kowtowing of kowtowing to be disposed side by side on seat 54 of kowtowing and to be fixedly connected with casing front end assemblies 4 by seat 54 of kowtowing, first, second, and third front of kowtowing device 51,52,53 is provided with control valve 6, and described control valve 6 is for hydraulic control cylinder 2 to-and-fro motion.
Preferably, described first kowtows device 51, second device 52 and the 3rd device 53 of kowtowing of kowtowing includes a left side and kowtows 511, kowtow 512 and tappet 513 in the right side, a described left side kowtow 511 and the right side kowtow and 512 to be movably arranged on by bearing pin and to kowtow on seat 54, a described left side kowtow 511 and the right side kowtow 512 top and kowtow between seat 54 and be provided with spring 55, a left side kowtow 511 with the right side kowtow 512 bottom contact with the tappet 56 be arranged in casing front end assemblies 4 pilot hole 44, the opposite side of described tappet 56 is movably set with roller 56, described roller 56 contacts all the time with cam 315 and drives tappet 56 to move reciprocatingly according to the movement locus of cam 315, a left side kowtow 511 with the right side kowtow 512 front contact with the spool of described control valve 6.Left and right kowtows 511, 512 and kowtow between seat 54 and be provided with spring 55, roller 56 contacts all the time with cam 315 under spring force, so roller 56 can move reciprocatingly according to the movement locus of cam 315, thus drive left and right to kowtow 511, 512 move reciprocatingly, thus control the opening and closing of control valve 6 valve, first kowtow in device 51 left kowtow 511 and right kowtowing 512 to be controlled by two clamping plate 311 external cam 315 of first piston crank connecting device 31 respectively, cam 315 in first piston crank connecting device 31 outside two clamping plate 311 is oppositely arranged, a left side of kowtowing device 51 by first like this kowtow 511 and the valve of control valve 6 of right 512 controls of kowtowing just be in contrary open and-shut mode, these two control valves 6 are for controlling the liquid flow path direction of the oil hydraulic cylinder 2 be connected with first piston crank connecting device 31, oil hydraulic cylinder 2 is made to do reciprocal fore and aft motion.Second device 52, the 3rd device 53 and the control procedure and first of the second piston crank connection set 32, the 3rd piston crank connection set 33 device 51 of kowtowing of kowtowing of kowtowing is identical with first piston crank connecting device 31, control system 5, bent axle 3 and oil hydraulic cylinder 2 acting in conjunction constitute a closed-loop system, make bent axle 3 can do continuous print rotation motion.
Preferably, guide sleeve 45 is provided with in described pilot hole 44.
Working procedure of the present utility model is: three oil hydraulic cylinders 2 respectively with the first piston crank connecting device 31 on bent axle 3, second piston crank connection set 32, the crank pin 314 of the 3rd piston crank connection set 33 connects, the piston rod of oil hydraulic cylinder 2, crank pin 314 and bent axle 3 constitute a linkage mechanism, the piston rod of such oil hydraulic cylinder 2 does fore and aft motion, crank pin 314 axle mounting hole 312 on clamping plate 311 is driven to rotate, thus drive clamping plate 311 and whole bent axle 3 to do rotation motion, outer side surface due to clamping plate 311 is provided with cam 315, cam 315 can rotate around axle mounting hole 312 along with clamping plate 311, such cam 315 will do front-rear reciprocation movement by the push rod 56 with autocontrol system 5, the other end of push rod 56 will control a left side, the right side kowtows 511, 512, thus control the opening and closing of control valve 6, control valve 6 is for hydraulic control cylinder 2 liquid flow path direction, thus hydraulic control cylinder 2 is flexible, constitute a complete closed-loop system.Rotated by three equidistributed oil hydraulic cylinder 2 driving cranks 3, each oil hydraulic cylinder 2 is controlled by first of control system 5 device 51, second device 52 and the 3rd device 53 of kowtowing of kowtowing of kowtowing, and ensures that three oil hydraulic cylinders 2 can do continuous print rotation motion by driving crank 3.
As shown in Figure 9, the output speed of bent axle and the curve of torque, steadily, rotating speed is little and torque large, is suitable as the power input device of underground equipment for output speed and torque.
Equal distribution angle hydraulic cylinder type motor utilizes three universal hydraulic cylinder, drive three 120 degree of equally distributed cranks, thus be the rotation motion of bent axle by the transform linear motion of oil hydraulic cylinder, control control valve by control system again thus automatically control liquid flow path direction, realize the continuous running of bent axle, the equally distributed structure of three cranks is adopted to reduce the rotating speed of bent axle and the pulsation of Driving Torque of rotation motion, make the output speed of bent axle and torque steady, this makes it possible to the power input device as coal winning machine, flight conveyer, traction locomotive and monorail crane locomotive.
Equal distribution angle hydraulic cylinder type motor changes traditional use motor or the diesel engine present situation as power input device, emulsified liquid conventional under adopting mine is as the liquid source of oil hydraulic cylinder, the structure that control system adopts machinery and hydraulic pressure to combine equally, do not use electric equipment, the Explosion-Proof of coal-face just effectively can be solved by this setup, reduce cost of production, improve production safety coefficient.
Equal distribution angle hydraulic cylinder type motor adopts box typed structure, installs simple, easy to maintenance, quick.Owing to adopting Driven by Hydraulic Cylinder crank rotation, so revolution is lower, moment of torsion is comparatively large, and be applicable to the requirement that colliery downhole equipment uses, this product can reduce mechanical accident rate widely in addition, increases the more effective time.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (4)
1. an equal distribution angle hydraulic cylinder type motor bent axle, it is characterized in that: comprise the first piston crank connecting device (31) that three groups of structures be arranged side by side are identical, second piston crank connection set (32), 3rd piston crank connection set (33), jack shaft (34), output shaft (35) and tailing axle (36), described first, second and the 3rd piston crank connection set (31), (32), (33) including two entirety is circular clamping plate (311), the center of described clamping plate (311) is provided with axle mounting hole (312), clamping plate (311) around described axle mounting hole (312) are provided with three and spend equally distributed pin shaft hole (313) in (120), two clamping plate (311) are fixedly connected with clamping plate (311) upper pin hole (313) interference fit by single crank pin (314) between two clamping plate (311),
The outer side surface of described clamping plate (311) is provided with cam (315), described cam (315) is made up of two concentric waney smaller part annulus (3151) and more than half annulus (3152), cam (315) on two clamping plate (311) of each piston crank connection set is in oppositely arranging, and the center line of the smaller part annulus (3151) of cam (315) and the separatrix of more than half annulus (3152) and crank pin (314) and the center line of axle mounting hole (312) are positioned at same plane;
Described second piston crank connection set (32) is fixedly connected with first piston crank connecting device (31), the 3rd piston crank connection set (33) with axle mounting hole (312) interference fit on clamping plate (311) respectively by jack shaft (34), and centered by axle mounting hole (312), in (120), degree is uniformly distributed the crank pin (314) of first piston crank connecting device (31), the second piston crank connection set (32) and the 3rd piston crank connection set (33);
Described output shaft (35) is fixedly connected with the axle mounting hole (312) of first piston crank connecting device (31) outside clamping plate, and described tailing axle (36) is fixedly connected with the axle mounting hole (312) of the 3rd piston crank connection set (33) outside clamping plate.
2. a kind of equal distribution angle according to claim 1 hydraulic cylinder type motor bent axle, it is characterized in that: between described smaller part annulus (3151) and more than half annulus (3152), be provided with transition linkage section (3153), described transition linkage section (3513) and smaller part annulus (3151) and more than half annulus (3152) rounding off.
3. a kind of equal distribution angle according to claim 1 hydraulic cylinder type motor bent axle, it is characterized in that: screw can be adopted to add interference fit between described cam (315) with clamping plate (311) and be connected, also can adopt cam (315) and clamping plate (311) one-body molded setting.
4. a kind of equal distribution angle according to claim 1 hydraulic cylinder type motor bent axle, is characterized in that: described output shaft (35), be connected with interference fit by key between tailing axle (36) with axle mounting hole (312).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405400.6U CN204082877U (en) | 2014-07-22 | 2014-07-22 | A kind of equal distribution angle hydraulic cylinder type motor bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405400.6U CN204082877U (en) | 2014-07-22 | 2014-07-22 | A kind of equal distribution angle hydraulic cylinder type motor bent axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082877U true CN204082877U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420405400.6U Withdrawn - After Issue CN204082877U (en) | 2014-07-22 | 2014-07-22 | A kind of equal distribution angle hydraulic cylinder type motor bent axle |
Country Status (1)
| Country | Link |
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| CN (1) | CN204082877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088890A (en) * | 2014-07-22 | 2014-10-08 | 长治市永华机械有限公司 | Crankshaft for hydraulic cylinder motor with equal distributed angles |
-
2014
- 2014-07-22 CN CN201420405400.6U patent/CN204082877U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088890A (en) * | 2014-07-22 | 2014-10-08 | 长治市永华机械有限公司 | Crankshaft for hydraulic cylinder motor with equal distributed angles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |