CN109253194B - Mechanical clutch and brake function system and clutch and brake function conversion method - Google Patents
Mechanical clutch and brake function system and clutch and brake function conversion method Download PDFInfo
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- CN109253194B CN109253194B CN201811240151.9A CN201811240151A CN109253194B CN 109253194 B CN109253194 B CN 109253194B CN 201811240151 A CN201811240151 A CN 201811240151A CN 109253194 B CN109253194 B CN 109253194B
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 title abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 230000010365 information processing Effects 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims description 33
- 230000008569 process Effects 0.000 claims description 26
- 230000009471 action Effects 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 3
- 230000009347 mechanical transmission Effects 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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Classifications
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D67/00—Combinations of couplings and brakes; Combinations of clutches and brakes
- F16D67/02—Clutch-brake combinations
- F16D67/04—Clutch-brake combinations fluid actuated
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Abstract
The invention discloses a mechanical clutch and brake functional system which comprises a movable integral module, a position state monitoring module, a driving module, a brake fixing module, a shafting module and an information processing module. The clutch and brake function switching method comprises the following steps: the hydraulic cylinder moving rod of the driving module drives the movable integral module to move; the position state monitoring module detects the position motion state of the movable integral module and transmits the acquired information to the information processing module; the brake fixing module and the shafting module form three stations of disconnection, transmission and braking, and are matched with the movable integral module to form one function of clutch braking. The invention can realize three working modes of disconnection, transmission and braking of the shafting, has simple structure, can transmit and bear larger torque, is generally used in occasions of mechanical transmission and instrument function conversion, and avoids electromagnetic interference of an electromagnetic clutch and a brake on the whole system.
Description
Technical Field
The invention relates to a mechanical transmission technology, in particular to a mechanical clutch and brake function system and a clutch and brake function conversion method, which are used for converting between clutch and brake functions of a shafting structure in mechanical transmission and realizing transmission of larger torque in a shafting.
Background
In the application fields of precision mechanical testing, high-precision instrument function realization and the like, three modes of shafting disconnection, transmission and braking are required to be realized simultaneously according to the requirements of actual functions, and particularly in the process of electromechanical automation integrated realization, the three working modes are taken as indispensable components. Meanwhile, larger torque is required to be transmitted in the transmission process, and stable transition conversion of three working modes is allowed, so that a simple and reliable realization method of a mechanical clutch braking function is very necessary to design.
Along with the demands of industrial production and precise instruments on electromechanical automation integrated realization, corresponding demands are put on shaft system function diversification, and particularly, the shaft system is converted among three mode functions of disconnection, transmission and braking. The clutch and the brake in the market currently occupy absolute markets, namely, only two functions of three mode functions can be realized. Even if a clutch brake exists, most of the clutch brake can only be applied to specific occasions, and general conversion cannot be realized. And sometimes cannot be effectively and directly utilized in a desired use scenario due to size limitations. The existing products related to the clutch and the brake are mostly based on the electromagnetic principle, namely, whether the electromagnetic force exists or not is controlled by switching on or off to realize function conversion. However, in the field of precision mechanical testing, when a series of micro-measurement sensors with high sensitivity are used in an electromagnetic environment, the use of the sensors is affected by electromagnetic interference, so that sensor signals are unstable, and output data cannot truly reflect measurement results. The application of the universal clutch and brake to this mechanical test application does not guarantee good electromagnetic compatibility. For friction clutches and brakes, the friction force cannot effectively drive larger torque, and a large amount of heat is generated, so that the clutch and the brake under the principle have great influence on the stability of mechanical transmission.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a mechanical clutch and brake function system and a clutch and brake function conversion method, and the mechanical clutch and brake function system can realize three working modes of disconnection, transmission and braking of a shafting, has a simple structure, can transmit and bear larger torque, is generally used in occasions of mechanical transmission and instrument function conversion, and avoids electromagnetic interference of an electromagnetic clutch and a brake on the whole system.
The technical scheme adopted by the invention is as follows: a mechanical clutch and brake function system comprises a movable integral module, a position state monitoring module, a driving module, a brake fixing module, a shafting module and an information processing module; the shafting module comprises an input shaft and an output shaft which are coaxially arranged, wherein the upper end face of the input shaft is not contacted with the lower end face of the output shaft and is spaced a distance; the driving module extends into the braking fixed module and is fixedly connected with the movable integral module so as to drive the movable integral module to move up and down; the movable integral module is sleeved outside the input shaft and can move up and down under the action of the driving module to realize three working modes of disconnection, transmission and braking of a shafting; the position state monitoring module is fixedly connected in the braking fixing module and is used for monitoring the position of the movable integral module; the information processing module is respectively connected with the position state monitoring module and the driving module and is used for receiving and processing the signals transmitted by the position state monitoring module and outputting signals to control the movement of the driving module.
Further, the movable integral module comprises an outer sleeve, a bearing and an inner spline and outer spline movable sleeve; the outer sleeve comprises a driving module pushing chassis, a bearing matching sleeve and a position state monitoring module sensing disc; the upper end of the bearing matching sleeve is fixedly connected with the position state monitoring module sensing disc, the lower end of the bearing matching sleeve is fixedly connected with the driving module pushing chassis, and the driving module pushing chassis is fixedly connected with a hydraulic cylinder moving rod of the driving module; the bearing comprises a bearing inner ring, a bearing outer ring, balls and a retainer; the bearing outer ring is in interference fit with the bearing fit sleeve inner ring of the outer sleeve; the inner and outer spline moving sleeve comprises a bottom fixed cylinder, an inner spline I which is used for being matched with an outer spline II of the input shaft and an outer spline III of the output shaft, and an outer spline I which is used for being matched with a brake sleeve inner spline II of the brake fixed module; the inner spline I is arranged in the bottom fixed cylinder, and the outer spline I is arranged outside the bottom fixed cylinder; the bottom fixing cylinder is in interference fit with the bearing inner ring and can rotate along the central shaft along with the bearing inner ring.
Wherein, external spline I with internal spline I all is equipped with the chamfer in axial direction.
Further, the braking fixing module comprises a shell, a braking sleeve and a fixing plate; the brake sleeve is fixedly connected to the upper end face of the shell, the center of the brake sleeve is the output shaft, and an internal spline II matched with an external spline I of the movable integral module is arranged at the center of the brake sleeve; the fixed plate is fixedly connected to the lower end face of the shell, the center of the fixed plate is the input shaft, and the driving module is connected to the fixed plate.
Wherein, the internal spline II is provided with a chamfer in the axial direction.
Further, an external spline II which is used for being matched with the internal spline I of the movable integral module is arranged at the upper end of the input shaft, and an external spline III which is used for being matched with the internal spline I of the movable integral module is arranged at the lower end of the output shaft; the end face of the external spline II of the input shaft and the end face of the external spline III of the output shaft are parallel and opposite and keep a fixed distance; and the external spline II of the input shaft and the external spline III of the output shaft are both provided with chamfers in the axial direction.
Further, the driving module comprises 2 hydraulic cylinders; each hydraulic cylinder comprises a hydraulic cylinder shell and a movable rod, and the end part of the movable rod is fixedly connected with the chassis pushed by the driving module of the movable integral module.
Further, the position state monitoring module comprises a proximity sensor I, a proximity sensor II, a proximity sensor III, a proximity sensor IV, a proximity sensor V and a proximity sensor VI; the proximity sensor I is arranged at the position where the position state monitoring module senses the disc when the end face of the internal spline I of the internal and external spline moving sleeve and the end face of the external spline III of the output shaft are just contacted in the process that the moving integral module moves towards the direction of the output end; the proximity sensor II is arranged at the position where the position state monitoring module senses the disc when the internal spline I of the internal and external spline moving sleeve is matched with the external spline II of the input shaft and the external spline III of the output shaft simultaneously in the process that the moving integral module moves towards the direction of the output end; the proximity sensor III is arranged at the position where the position state monitoring module senses the disc when the end face of the external spline I of the internal and external spline moving sleeve is just contacted with the end face of the internal spline II of the brake sleeve in the process that the moving integral module moves towards the direction of the output end; the proximity sensor IV is arranged at the position where the position state monitoring module senses the disc when the external spline I of the internal and external spline moving sleeve is matched with the internal spline II of the brake sleeve in the process that the moving integral module moves towards the direction of the output end; the proximity sensor V is arranged at the position where the position state monitoring module senses the disc when the end face of the internal spline I of the internal and external spline moving sleeve is just contacted with the end face of the external spline II of the input end in the process that the moving integral module moves towards the direction of the input end; the proximity sensor VI is arranged at the initial position of the shafting in the disconnection state, and the position state monitoring module senses the position of the disc.
Further, the information processing module comprises a PC host, and the PC host is respectively connected with the proximity sensor of the position state monitoring module and the hydraulic cylinder of the driving module.
The invention adopts another technical scheme that: the clutch and brake function conversion method based on the mechanical clutch and brake function system comprises a process of switching off a shafting from transmission to braking and a process of switching off the shafting from braking to transmission to switching off, and concretely comprises the following steps:
(1) The shafting is from disconnection to transmission to braking
Step 1-1, in an initial state, an internal spline I of an external spline moving sleeve in a moving integral module is matched with an external spline II of an input end, and at the moment, a shafting is in a disconnected state;
step 1-2, moving the movable integral module to reach the detection range of the proximity sensor I under the thrust action of the hydraulic cylinder; if the moving integral module leaves the detection range of the proximity sensor I within the fixed time, continuing to move; otherwise, after the output shaft rotates by an angle, the movable integral module continues to move after the internal spline I of the internal and external spline movable sleeve is ensured to be matched with the external spline III of the output shaft normally;
step 1-3, after the movable integral module moves to a detection range of the proximity sensor II, stopping moving, wherein at the moment, an internal spline I of the internal and external spline movable sleeve is matched with an external spline II of the input shaft and an external spline III of the output shaft at the same time, namely the input shaft and the output shaft are connected together through the internal and external spline movable sleeve, and the shafting is in a transmission state;
step 1-4, moving the movable integral module to reach the detection range of the proximity sensor III under the thrust action of the hydraulic cylinder; if the movable integral module leaves the detection range of the proximity sensor III within the fixed time, the movable integral module continues to move, otherwise, after the output shaft rotates by an angle, the movable integral module continues to move after ensuring that the external spline I of the internal and external spline movable sleeve is normally matched with the internal spline II of the brake sleeve;
step 1-5, stopping moving after the movable integral module moves to a detection range close to the sensor IV, wherein at the moment, an external spline I of the internal and external spline movable sleeve is matched with an internal spline II of the brake sleeve, and the shafting is in a braking state;
(2) Process for braking shafting, driving and disconnecting shafting
Step 2-1, in an initial state, an external spline I of an internal and external spline moving sleeve in the moving integral module is matched with an internal spline II of a brake sleeve, and at the moment, the shafting is in a braking state;
step 2-2, stopping moving after the movable integral module moves to a detection range of the proximity sensor II, wherein at the moment, an internal spline I of the internal and external spline movable sleeve is matched with an external spline II of the input shaft and an external spline III of the output shaft at the same time, and the shafting is in a transmission state;
step 2-3, the movable integral module moves to reach the detection range of the proximity sensor V under the action of the tension of the hydraulic cylinder; if the movable integral module leaves the detection range of the proximity sensor V within the fixed time, continuing to move; otherwise, after the output shaft rotates by an angle, the movable integral module continues to move after the internal spline I of the internal and external spline movable sleeve is ensured to be matched with the external spline III of the output shaft normally;
and 2-4, stopping moving after the movable integral module moves to a detection range of the proximity sensor VI, wherein at the moment, the internal spline I of the internal and external spline movable sleeve is disconnected with the external spline II of the input shaft, and the shafting is in a disconnected state.
The beneficial effects of the invention are as follows: the invention provides a mechanical clutch and brake function system and a clutch and brake function conversion method, which can transmit larger torque, avoid the electromagnetic interference problem caused by an electromagnetic device, have simple realization structure and strong universality, and are suitable for being applied to the electromechanical integration realization process of instrument functions.
Drawings
FIG. 1 is a schematic external construction of a mechanical clutch and brake system of the present invention;
FIG. 2 is a schematic view of the main body part of the mechanical clutch and brake system of the present invention, with the casing 1 removed;
FIG. 3 is a cut-away view of the mechanical clutch and brake functional system of the present invention;
FIG. 4 is a cross-sectional view of the mechanical clutch and brake system of the present invention in a driven state;
FIG. 5 is a cross-sectional view of the braking state of the mechanical clutch and brake functional system of the present invention;
the drawings are marked: 1. a housing; 2. a hydraulic cylinder I; 3. an input shaft; 4. a hydraulic cylinder II; 5. an output shaft; 6. a PC host; 7. a brake sleeve; 8. a proximity sensor III; 9. a proximity sensor IV; 10. a proximity sensor II; 11. a proximity sensor V; 12. a proximity sensor VI; 13. a proximity sensor I; 14. a proximity sensor fixing bracket; 15. a fixing plate; 16. an outer sleeve; 17. a bearing; 18. the internal and external splines move the sleeve; 19. an external spline III; 20. an external spline I; 21. the position state monitoring module senses the disc; 22. the driving module pushes the chassis; 23. a bearing mating sleeve; 24. an internal spline I; 25. an internal spline II; 26. a bearing outer ring; 27. a bearing inner ring; 28. and an external spline II.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:
as shown in fig. 1 to 5, a mechanical clutch and brake functional system comprises a movable integral module, a position state monitoring module, a driving module, a brake fixing module, a shafting module and an information processing module.
The braking fixing module comprises a shell 1, a braking sleeve 7 and a fixing plate 15; the brake sleeve 7 is fixedly connected to the upper end face of the casing 1, the center of the brake sleeve 7 is the output shaft 5 of the shafting module, the center of the brake sleeve 7 is provided with an internal spline II 25 matched with an external spline I20 of the movable integral module, and the internal spline II 25 is provided with a chamfer in the axial direction; the fixed plate 15 is fixedly connected to the lower end face of the casing 1, the center of the fixed plate 15 is the input shaft 3 of the shafting module, and the driving module is connected to the fixed plate 15.
The shafting module comprises an input shaft 3 and an output shaft 5 arranged coaxially, the input shaft 3 and the output shaft 5 being located at the central axis of the system. The upper end face of the input shaft 3 is not in contact with the lower end face of the output shaft 5 and is spaced by a distance, so that the end face of the external spline II 28 of the input shaft 3 and the end face of the external spline III 19 of the output shaft 5 keep a fixed distance. The upper end of the input shaft 3 is provided with an external spline II 28 matched with an internal spline I24 of the movable integral module, and the lower end of the output shaft 5 is provided with an external spline III 19 matched with the internal spline I24 of the movable integral module; the end face of the external spline II 28 of the input shaft 3 is parallel and opposite to the end face of the external spline III 19 of the output shaft 5; the external splines ii 28 of the input shaft 3 and the external splines iii 19 of the output shaft 5 are each provided with a chamfer in the axial direction.
The driving module stretches into the braking fixed module and is fixedly connected with the movable integral module so as to drive the movable integral module to move up and down. The driving module comprises a hydraulic cylinder I2 and a hydraulic cylinder II 4; the hydraulic cylinder I2 and the hydraulic cylinder II 4 comprise a hydraulic cylinder shell and a movable rod, the end face of the hydraulic cylinder shell is arranged on the fixed plate 15, and the end part of the movable rod is fixedly connected with the chassis 22 pushed by the driving module of the movable integral module.
The movable integral module is sleeved outside the input shaft 3 and can move up and down under the action of the driving module to realize three working modes of disconnection, transmission and braking of a shafting. The moving monolithic module comprises an outer sleeve 16, bearings 17 and an inner and outer spline moving sleeve 18. The outer sleeve 16 comprises a driving module pushing chassis 22, a bearing matching sleeve 23 and a position state monitoring module sensing disc 21; the upper end of the bearing fit sleeve 23 is fixedly connected with the position state monitoring module sensing disc 21, the lower end of the bearing fit sleeve is fixedly connected with the driving module pushing chassis 22, and the driving module pushing chassis 22 is fixedly connected with the hydraulic cylinder moving rod of the driving module, so that the outer sleeve 16 can move up and down along with the hydraulic cylinder moving rod of the driving module. The bearing 17 comprises a bearing inner ring 27, a bearing outer ring 26, balls and a retainer; the bearing outer race 26 is in interference fit with the inner race of the bearing mating sleeve 23 of the outer sleeve 16. The internal and external spline moving sleeve 18 comprises a bottom fixed cylinder, an internal spline I24 used for being matched with an external spline II 28 of the input shaft 3 and an external spline III 19 of the output shaft 5, and an external spline I20 used for being matched with an internal spline II 25 of a brake sleeve 7 of the brake fixed module, wherein the external spline I20 and the internal spline I24 are provided with chamfers in the axial direction; the inner spline I24 is arranged in the bottom fixed cylinder, and the outer spline I20 is arranged outside the bottom fixed cylinder; the bottom fixed cylinder is in interference fit with the bearing inner ring 27, so that the internal and external spline moving sleeve 18 can rotate along the central shaft along with the bearing inner ring 27.
The position state monitoring module is fixedly connected in the braking fixing module and is used for monitoring the position of the movable integral module. The position state monitoring module comprises a proximity sensor I13, a proximity sensor II 10, a proximity sensor III 8, a proximity sensor IV 9, a proximity sensor V11, a proximity sensor VI 12 and a proximity sensor fixing support 14, wherein the proximity sensor I13, the proximity sensor II 10, the proximity sensor III 8, the proximity sensor IV 9, the proximity sensor V11 and the proximity sensor VI 12 are all fixed on the proximity sensor fixing support 14, and the proximity sensor fixing support 14 is arranged on one side of the movable integral module. The proximity sensor I13 is arranged at the position where the position state monitoring module senses the disc 21 when the end face of the internal spline I24 of the internal and external spline moving sleeve 18 and the end face of the external spline III 19 of the output shaft 5 are just contacted in the process that the moving integral module moves towards the direction of the output end; the proximity sensor II 10 is arranged at the position where the position state monitoring module senses the disc 21 when the internal spline I24 of the internal and external spline moving sleeve 18 is matched with the external spline II 28 of the input shaft 3 and the external spline III 19 of the output shaft 5 simultaneously in the process that the moving integral module moves towards the direction of the output end; the proximity sensor III 8 is arranged at the position where the position state monitoring module senses the disc 21 when the end face of the external spline I20 of the internal and external spline moving sleeve 18 is just contacted with the end face of the internal spline II 25 of the brake sleeve 7 in the process that the moving integral module moves towards the direction of the output end; the proximity sensor IV 9 is arranged at the position where the position state monitoring module senses the disc 21 when the external spline I20 of the internal and external spline moving sleeve 18 is matched with the internal spline II 25 of the brake sleeve 7 in the process that the moving integral module moves towards the direction of the output end; the proximity sensor V11 is arranged at the position where the position state monitoring module senses the disc 21 when the end face of the internal spline I24 of the internal and external spline moving sleeve 18 is just contacted with the end face of the external spline II 28 of the input end in the process that the moving integral module moves towards the input end; the proximity sensor vi 12 is disposed at a position where the position state monitoring module senses the disc 21 when the shafting is at an initial position of a disconnected state.
The information processing module comprises a PC host 6, wherein the PC host 6 is connected with a proximity sensor I13, a proximity sensor II 10, a proximity sensor III 8, a proximity sensor IV 9, a proximity sensor V11 and a proximity sensor VI 12 of the position state monitoring module, and is used for receiving and processing signals transmitted by the proximity sensors of the position state monitoring module, and meanwhile, the PC host 6 is connected with a hydraulic cylinder I2 and a hydraulic cylinder II 4 of the driving module, and the signals are output to control oil inlet and oil outlet of the hydraulic cylinder to ensure the movement condition of a moving rod of the hydraulic cylinder.
The clutch and brake function conversion method based on the mechanical clutch and brake function system comprises a process of switching off a shafting from transmission to braking and a process of switching off the shafting from braking to transmission to switching off, and specifically comprises the following steps:
(1) The shafting is from disconnection to transmission to braking
In step 1-1, in the initial state, the internal spline I24 of the external spline moving sleeve in the moving whole module is matched with the external spline II 28 of the input end, and at this time, the shafting is in a disconnected state, as shown in fig. 3.
And step 1-2, moving the whole module to the direction of the output end under the thrust action of the hydraulic cylinder. When the movable integral module moves to reach the detection range of the proximity sensor I13, if the movable integral module leaves the detection range of the proximity sensor I13 within a fixed time, the hydraulic cylinder is allowed to push the movable integral module to continue moving; otherwise, executing the step 1-3.
In the step 1-3, in a fixed time, if the movable integral module does not leave the detection range of the proximity sensor I13, the output shaft 5 rotates by an angle, and after the internal spline I24 of the internal and external spline movable sleeve 18 is ensured to be matched with the external spline III 19 of the output shaft 5 normally, the hydraulic cylinder pushes the movable integral module to move continuously.
And step 1-4, when the movable integral module moves to the detection range of the proximity sensor II 10, stopping moving the movable integral module. At this time, the internal spline I24 of the internal and external spline moving sleeve 18 is matched with the external spline II 28 of the input shaft 3 and the external spline III 19 of the output shaft 5 at the same time, namely, the input shaft 3 and the output shaft 5 are connected together through the internal and external spline moving sleeve 18, and the shafting is in a transmission state as shown in fig. 4.
And step 1-5, moving the integral module to move towards the direction of the internal spline II 25 at the output end under the thrust action of the hydraulic cylinder. When the moving integral module moves to reach the detection range of the proximity sensor III 8, if the moving integral module leaves the detection range of the proximity sensor III 8 within a fixed time, the hydraulic cylinder is allowed to push the moving integral module to continue moving; otherwise, executing the steps 1-6.
In the steps 1-6, when the movable integral module does not leave the detection range of the proximity sensor III 8 within a fixed time, the output shaft 5 rotates by an angle, and after the external spline I20 of the internal and external spline movable sleeve 18 is ensured to be matched with the internal spline II 25 of the brake sleeve 7 normally, the hydraulic cylinder pushes the movable integral module to move continuously.
And step 1-7, when the movable integral module moves to the detection range of the proximity sensor IV 9, stopping moving the movable integral module. At this time, the external spline I20 of the internal and external spline moving sleeve 18 is matched with the internal spline II 25 of the brake sleeve 7, and the shafting is in a braking state as shown in fig. 5.
(2) Process for braking shafting, driving and disconnecting shafting
In step 2-1, in the initial state, the external spline I20 of the internal and external spline moving sleeve 18 in the moving whole module is matched with the internal spline II 25 of the brake sleeve 7, and at this time, the shafting is in a braking state, as shown in fig. 5.
And 2-2, under a braking state, the hydraulic cylinder pulls the movable integral module to move towards the direction of the input end. When the movable integral module moves to the detection range of the proximity sensor II 10, the movable integral module stops moving, at this time, the internal spline I24 of the internal and external spline moving sleeve 18 is matched with the external spline II 28 of the input shaft 3 and the external spline III 19 of the output shaft 5 simultaneously, and the shafting is in a transmission state, as shown in fig. 4.
And 2-3, moving the whole module to move towards the direction of the input end under the action of the pulling force of the hydraulic cylinder. When the moving integral module moves to reach the detection range of the proximity sensor V11, if the moving integral module leaves the detection range of the proximity sensor V11 within a fixed time, the hydraulic cylinder is allowed to pull the moving integral module to continue moving; otherwise, executing the step 2-4.
And 2-4, in a fixed time, when the movable integral module does not leave the detection range of the proximity sensor V11, the output shaft 5 rotates by an angle, and after the internal spline I24 of the internal and external spline movable sleeve 18 is ensured to be matched with the external spline III 19 of the output shaft 5 normally, the hydraulic cylinder pulls the movable integral module to move continuously towards the direction of the input end.
And 2-5, stopping moving the movable integral module when the movable integral module moves to the detection range of the proximity sensor VI 12. At this time, the internal spline I24 of the internal and external spline moving sleeve 18 is disconnected from the external spline II 28 of the input shaft 3, and the shafting is in a disconnected state, as shown in FIG. 3.
Any two of the functions of the disconnect, drive and brake functions may be switched by using some or all of the steps described above.
The signals of the proximity sensor I13, the proximity sensor II 10, the proximity sensor III 8, the proximity sensor IV 9, the proximity sensor V11 and the proximity sensor VI 12 are processed by an information processing module.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the appended claims, which are within the scope of the present invention.
Claims (8)
1. The mechanical clutch and brake functional system is characterized by comprising a movable integral module, a position state monitoring module, a driving module, a brake fixing module, a shafting module and an information processing module;
the shafting module comprises an input shaft and an output shaft which are coaxially arranged, wherein the upper end face of the input shaft is not contacted with the lower end face of the output shaft and is spaced a distance;
the driving module extends into the braking fixed module and is fixedly connected with the movable integral module so as to drive the movable integral module to move up and down; the driving module comprises 2 hydraulic cylinders; each hydraulic cylinder comprises a hydraulic cylinder shell and a moving rod, and the end part of the moving rod is fixedly connected with a driving module pushing chassis of the moving integral module;
the movable integral module is sleeved outside the input shaft and can move up and down under the action of the driving module to realize three working modes of disconnection, transmission and braking of a shafting; the movable integral module comprises an outer sleeve, a bearing and an inner spline and outer spline movable sleeve; the outer sleeve comprises a driving module pushing chassis, a bearing matching sleeve and a position state monitoring module sensing disc; the upper end of the bearing matching sleeve is fixedly connected with the position state monitoring module sensing disc, the lower end of the bearing matching sleeve is fixedly connected with the driving module pushing chassis, and the driving module pushing chassis is fixedly connected with a hydraulic cylinder moving rod of the driving module; the bearing comprises a bearing inner ring, a bearing outer ring, balls and a retainer; the bearing outer ring is in interference fit with the bearing fit sleeve inner ring of the outer sleeve; the inner and outer spline moving sleeve comprises a bottom fixed cylinder, an inner spline I which is used for being matched with an outer spline II of the input shaft and an outer spline III of the output shaft, and an outer spline I which is used for being matched with a brake sleeve inner spline II of the brake fixed module; the inner spline I is arranged in the bottom fixed cylinder, and the outer spline I is arranged outside the bottom fixed cylinder; the bottom fixing cylinder is in interference fit with the bearing inner ring and can rotate along the central shaft along with the bearing inner ring;
the position state monitoring module is fixedly connected in the braking fixing module and is used for monitoring the position of the movable integral module;
the information processing module is respectively connected with the position state monitoring module and the driving module and is used for receiving and processing the signals transmitted by the position state monitoring module and outputting signals to control the movement of the driving module.
2. A mechanical clutch/brake functional system according to claim 1, characterized in that the external spline i and the internal spline i are each provided with a chamfer in the axial direction.
3. The mechanical clutch/brake functional system according to claim 1, wherein the brake securing module comprises a housing, a brake sleeve, a securing plate; the brake sleeve is fixedly connected to the upper end face of the shell, the center of the brake sleeve is the output shaft, and an internal spline II matched with an external spline I of the movable integral module is arranged at the center of the brake sleeve; the fixed plate is fixedly connected to the lower end face of the shell, the center of the fixed plate is the input shaft, and the driving module is connected to the fixed plate.
4. A mechanical clutch-brake functional system according to claim 3, characterized in that the internal spline ii is provided with a chamfer in the axial direction.
5. The mechanical clutch and brake functional system according to claim 1, wherein an upper end of the input shaft is provided with an external spline II for being matched with an internal spline I of the movable integral module, and a lower end of the output shaft is provided with an external spline III for being matched with the internal spline I of the movable integral module; the end face of the external spline II of the input shaft and the end face of the external spline III of the output shaft are parallel and opposite and keep a fixed distance; and the external spline II of the input shaft and the external spline III of the output shaft are both provided with chamfers in the axial direction.
6. The mechanical clutch and brake functional system according to claim 1, wherein the position status monitoring module comprises a proximity sensor i, a proximity sensor ii, a proximity sensor iii, a proximity sensor iv, a proximity sensor v, a proximity sensor vi; the proximity sensor I is arranged at the position where the position state monitoring module senses the disc when the end face of the internal spline I of the internal and external spline moving sleeve and the end face of the external spline III of the output shaft are just contacted in the process that the moving integral module moves towards the direction of the output end; the proximity sensor II is arranged at the position where the position state monitoring module senses the disc when the internal spline I of the internal and external spline moving sleeve is matched with the external spline II of the input shaft and the external spline III of the output shaft simultaneously in the process that the moving integral module moves towards the direction of the output end; the proximity sensor III is arranged at the position where the position state monitoring module senses the disc when the end face of the external spline I of the internal and external spline moving sleeve is just contacted with the end face of the internal spline II of the brake sleeve in the process that the moving integral module moves towards the direction of the output end; the proximity sensor IV is arranged at the position where the position state monitoring module senses the disc when the external spline I of the internal and external spline moving sleeve is matched with the internal spline II of the brake sleeve in the process that the moving integral module moves towards the direction of the output end; the proximity sensor V is arranged at the position where the position state monitoring module senses the disc when the end face of the internal spline I of the internal and external spline moving sleeve is just contacted with the end face of the external spline II of the input end in the process that the moving integral module moves towards the direction of the input end; the proximity sensor VI is arranged at the initial position of the shafting in the disconnection state, and the position state monitoring module senses the position of the disc.
7. The mechanical clutch and brake functional system according to claim 1, wherein the information processing module comprises a PC host connected to the proximity sensor of the position state monitoring module and the hydraulic cylinder of the driving module, respectively.
8. A clutch-brake function switching method based on the mechanical clutch-brake function system according to any one of the preceding claims 1 to 7, characterized in that it comprises a process of turning off the shafting from transmission to braking and a process of turning off the shafting from braking to transmission to breaking, comprising in particular:
(1) The shafting is from disconnection to transmission to braking
Step 1-1, in an initial state, an internal spline I of an external spline moving sleeve in a moving integral module is matched with an external spline II of an input end, and at the moment, a shafting is in a disconnected state;
step 1-2, moving the movable integral module to reach the detection range of the proximity sensor I under the thrust action of the hydraulic cylinder; if the moving integral module leaves the detection range of the proximity sensor I within the fixed time, continuing to move; otherwise, after the output shaft rotates by an angle, the movable integral module continues to move after the internal spline I of the internal and external spline movable sleeve is ensured to be matched with the external spline III of the output shaft normally;
step 1-3, after the movable integral module moves to a detection range of the proximity sensor II, stopping moving, wherein at the moment, an internal spline I of the internal and external spline movable sleeve is matched with an external spline II of the input shaft and an external spline III of the output shaft at the same time, namely the input shaft and the output shaft are connected together through the internal and external spline movable sleeve, and the shafting is in a transmission state;
step 1-4, moving the movable integral module to reach the detection range of the proximity sensor III under the thrust action of the hydraulic cylinder; if the movable integral module leaves the detection range of the proximity sensor III within the fixed time, the movable integral module continues to move, otherwise, after the output shaft rotates by an angle, the movable integral module continues to move after ensuring that the external spline I of the internal and external spline movable sleeve is normally matched with the internal spline II of the brake sleeve;
step 1-5, stopping moving after the movable integral module moves to a detection range close to the sensor IV, wherein at the moment, an external spline I of the internal and external spline movable sleeve is matched with an internal spline II of the brake sleeve, and the shafting is in a braking state;
(2) Process for braking shafting, driving and disconnecting shafting
Step 2-1, in an initial state, an external spline I of an internal and external spline moving sleeve in the moving integral module is matched with an internal spline II of a brake sleeve, and at the moment, the shafting is in a braking state;
step 2-2, stopping moving after the movable integral module moves to a detection range of the proximity sensor II, wherein at the moment, an internal spline I of the internal and external spline movable sleeve is matched with an external spline II of the input shaft and an external spline III of the output shaft at the same time, and the shafting is in a transmission state;
step 2-3, the movable integral module moves to reach the detection range of the proximity sensor V under the action of the tension of the hydraulic cylinder; if the movable integral module leaves the detection range of the proximity sensor V within the fixed time, continuing to move; otherwise, after the output shaft rotates by an angle, the movable integral module continues to move after the internal spline I of the internal and external spline movable sleeve is ensured to be matched with the external spline III of the output shaft normally;
and 2-4, stopping moving after the movable integral module moves to a detection range of the proximity sensor VI, wherein at the moment, the internal spline I of the internal and external spline movable sleeve is disconnected with the external spline II of the input shaft, and the shafting is in a disconnected state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240151.9A CN109253194B (en) | 2018-10-23 | 2018-10-23 | Mechanical clutch and brake function system and clutch and brake function conversion method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240151.9A CN109253194B (en) | 2018-10-23 | 2018-10-23 | Mechanical clutch and brake function system and clutch and brake function conversion method |
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| CN109253194A CN109253194A (en) | 2019-01-22 |
| CN109253194B true CN109253194B (en) | 2023-10-27 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5437355A (en) * | 1993-04-19 | 1995-08-01 | Kubota Corporation | Friction clutch having a brake mechanism |
| CN1436634A (en) * | 2002-02-07 | 2003-08-20 | 希尔蒂股份公司 | Working mode changeover unit for hand tool |
| CN104806747A (en) * | 2014-01-29 | 2015-07-29 | 铃木株式会社 | Clutch pressure control device |
| CN108050220A (en) * | 2017-12-20 | 2018-05-18 | 王俊生 | A kind of buncher |
| CN209130092U (en) * | 2018-10-23 | 2019-07-19 | 天津大学 | A kind of mechanical clutch and brake function system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201218237D0 (en) * | 2012-10-11 | 2012-11-28 | Agco Int Gmbh | PTO drivelines |
-
2018
- 2018-10-23 CN CN201811240151.9A patent/CN109253194B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5437355A (en) * | 1993-04-19 | 1995-08-01 | Kubota Corporation | Friction clutch having a brake mechanism |
| CN1436634A (en) * | 2002-02-07 | 2003-08-20 | 希尔蒂股份公司 | Working mode changeover unit for hand tool |
| CN104806747A (en) * | 2014-01-29 | 2015-07-29 | 铃木株式会社 | Clutch pressure control device |
| CN108050220A (en) * | 2017-12-20 | 2018-05-18 | 王俊生 | A kind of buncher |
| CN209130092U (en) * | 2018-10-23 | 2019-07-19 | 天津大学 | A kind of mechanical clutch and brake function system |
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