CN113217560B - Braking device and control method thereof - Google Patents
Braking device and control method thereof Download PDFInfo
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- CN113217560B CN113217560B CN202110413429.3A CN202110413429A CN113217560B CN 113217560 B CN113217560 B CN 113217560B CN 202110413429 A CN202110413429 A CN 202110413429A CN 113217560 B CN113217560 B CN 113217560B
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- cylindrical cam
- moving body
- controller
- contact head
- rotation angle
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 63
- 238000004146 energy storage Methods 0.000 claims abstract description 26
- 238000005381 potential energy Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 4
- 239000000843 powder Substances 0.000 abstract description 5
- 239000010720 hydraulic oil Substances 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
-
- 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
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
-
- 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
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
- F16D65/095—Pivots or supporting members therefor
- F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
- F16D65/0973—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces
-
- 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
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
-
- 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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D2055/0075—Constructional features of axially engaged brakes
-
- 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
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D2065/026—Braking members; Mounting thereof characterised by a particular outline shape of the braking member, e.g. footprint of friction lining
-
- 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
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D2066/003—Position, angle or speed
-
- 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
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
-
- 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
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/20—Electric or magnetic using electromagnets
-
- 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
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/24—Electric or magnetic using motors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides a braking device and a control method thereof. The position finding mechanism monitors the rotation angle of the braked shaft and sends the rotation angle to the controller, and the controller calculates the corresponding moments of the convex part and the concave part on the cylindrical cam according to the received rotation angle signal and controls the reciprocating movement frequency of the moving body according to the moments. And compressing the energy storage spring circularly through the alternation of the convex part and the concave part on the cylindrical cam until the braked shaft stops rotating. The invention uses the principle of spring compression to store energy and extend to release energy, abandons the scheme of traditional friction plate braking, achieves the aim of avoiding friction plate powder from polluting hydraulic oil, and has the advantages of simple structure, high reliability, wide application, low cost, easy installation, convenient maintenance and the like.
Description
Technical Field
The invention belongs to the technical field of brakes, and particularly relates to a braking device and a control method thereof.
Background
The moving parts in the machine need to be decelerated or stopped in time if necessary. For example, when people drive a car, sudden conditions are met, and the car needs to be decelerated or stopped by stepping on the brake in time, and in the process, the brake plays a very key role. If the brake fails, a great potential safety hazard exists, and accidents occur.
The brake is widely applied to equipment manufacturing industries such as hoisting machinery, transportation, metallurgical equipment, mining equipment, construction engineering machinery, wind power and nuclear power equipment, ships, marine heavy industry and the like. However, at present, the domestic and foreign brakes generally rely on friction plates made of friction materials or brake tapes to brake, and the problems of failure caused by temperature rise of braking friction and pollution of working oil liquid by friction plate powder exist. For example, chinese patent CN201611072061.4, a multi-disc wet parking brake integrated with a gearbox is driven by hydraulic oil, and after long-term operation, friction disc powder and gearbox oil are mixed together, which easily causes the oil passage of the hydraulic system to be blocked, thereby seriously damaging the hydraulic system.
Disclosure of Invention
In order to solve the problems, the invention provides a braking device and a control method thereof, wherein the braking device comprises a braking mechanism, a moving mechanism, a positioning mechanism and a controller, and the braking mechanism comprises a cylindrical cam, a contact head, a moving body and an energy storage spring. The position finding mechanism monitors the rotation angle of the braked shaft and sends the rotation angle to the controller, and the controller calculates the corresponding moments of the convex part and the concave part on the cylindrical cam according to the received rotation angle signal and controls the reciprocating movement frequency of the moving body according to the moments. And compressing the energy storage spring circularly through the alternation of the convex part and the concave part on the cylindrical cam until the braked shaft stops rotating. The invention uses the principle of spring compression to store energy and extend to release energy, abandons the scheme of traditional friction plate braking, achieves the aim of avoiding friction plate powder from polluting hydraulic oil, and has the advantages of simple structure, high reliability, wide application, low cost, easy installation, convenient maintenance and the like.
The technical scheme of the invention is as follows: a braking device comprises a braking mechanism, a moving mechanism, a positioning mechanism and a controller;
the braking mechanism comprises a cylindrical cam, a contact head, a moving body and an energy storage spring; one end face of the cylindrical cam is connected with one end of the braked shaft, the cylindrical cam synchronously rotates along with the braked shaft and cannot axially move, one end of the moving body is opposite to the other end face of the cylindrical cam, the other end of the moving body is connected with the moving mechanism, and the moving mechanism drives the moving body to reciprocate along the axis direction of the braked shaft; the other end face of the cylindrical cam is provided with a plurality of paired convex parts and concave parts, and the convex parts and the concave parts are alternately arranged on the circumference of the cylindrical cam; a plurality of holes are formed in the end face, opposite to the cylindrical cam, of the moving body; an energy storage spring and a contact head are arranged in each hole, one end of each contact head is contacted with the energy storage spring, the other end of each contact head is contacted with a cylindrical cam, the cylindrical cam rotates, the contact heads are alternately contacted with the convex parts and the concave parts, and the contact heads are driven to reciprocate along the axis direction of a braked shaft and simultaneously enable the energy storage spring to be shortened or lengthened to be alternately changed; the moving mechanism is connected with the controller; the position-finding mechanism measures the rotation angle of the braked shaft and transmits the rotation angle signal to the controller, and the controller calculates the corresponding moments of the convex part and the concave part on the cylindrical cam according to the received rotation angle signal and controls the moving mechanism to adjust the reciprocating movement frequency of the moving body according to the moments.
In the above-mentioned scheme, when the contact head contacts with the concave part of cylindrical cam, the controller control the moving mechanism makes the moving body translate towards the direction that is close to cylindrical cam, when the contact head contacts with the convex part of cylindrical cam, the controller control the moving mechanism makes the moving body translate towards the direction that is far away from cylindrical cam.
In the above scheme, the moving mechanism is any one of hydraulic pressure, air pressure, electromagnetism or motor.
In the above scheme, the position finding mechanism is a rotation angle sensor.
In the above scheme, the convex parts and the concave parts are alternately and uniformly distributed in the circumferential direction of the cylindrical cam.
In the above aspect, the number of holes of the moving body is the same as the number of convex portions or concave portions of the cylindrical cam.
A control method according to the brake device, comprising the steps of:
after the controller detects a braking signal, the moving mechanism is controlled to enable the moving body to move a distance a in the direction of the cylindrical cam; the position finding mechanism measures the rotation angle of the braked shaft and transmits a rotation angle signal to the controller, and the controller calculates the corresponding time of the convex part and the concave part on the cylindrical cam according to the received rotation angle signal to control the reciprocating frequency of the moving body;
when the contact head is contacted with the concave part of the cylindrical cam, the controller controls the moving mechanism to enable the moving body to translate a distance b in a direction of approaching the cylindrical cam, the contact head slides to the convex part of the cylindrical cam along with the rotation of the braked shaft, and the energy storage spring is compressed to convert the rotation kinetic energy of the braked shaft into elastic potential energy to store the elastic potential energy; when the contact head is contacted with the convex part of the cylindrical cam, the energy storage spring 4 is compressed to the shortest, the moving mechanism 6 controls the moving body to translate a distance b in a direction away from the cylindrical cam, the energy storage spring naturally stretches to release elastic potential energy stored in the previous process, and the contact head slides to the concave part of the cylindrical cam along with the rotation of the braked shaft; the contact head is alternately contacted with the convex part and the concave part of the cylindrical cam in a circulating way until the braked shaft stops rotating, and when the rotating speed of the braked shaft is zero, the controller controls the moving mechanism to move the moving body by a distance a in a direction away from the cylindrical cam, so that the moving body is restored to the original position.
Compared with the prior art, the invention has the beneficial effects that: the invention uses the principle of spring compression, energy storage and energy extension and energy release, abandons the scheme of traditional friction plate braking, and achieves the aim of avoiding friction plate powder from polluting hydraulic oil. The invention has the advantages of simple structure, high reliability, low cost, easy installation, convenient maintenance and the like through the innovative design on the mechanical structure. The invention has wide application, is not only suitable for wet friction environment, but also suitable for dry friction environment.
Drawings
In fig. 1: a schematic structural diagram of a brake device according to an embodiment of the present invention.
In the figure: 1-braked shaft; 2-a cylindrical cam; 3-contact heads; 4-an energy storage spring; 5-a mobile body; 6-a moving mechanism; 7-a positioning mechanism; 8-a controller; 9-a braking mechanism.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Fig. 1 shows a preferred embodiment of the braking device, which comprises a braking mechanism 9, a movement mechanism 6, a positioning mechanism 7 and a controller 8.
The braking mechanism 9 comprises a cylindrical cam 2, a contact head 3, a moving body 5 and an energy storage spring 4; one end face of the cylindrical cam 2 is connected with one end of the braked shaft 1, the cylindrical cam 2 synchronously rotates along with the braked shaft 1, one end of the moving body 5 is opposite to the other end face of the cylindrical cam 2, the other end of the moving body is connected with the moving mechanism 6, and the moving mechanism 6 drives the moving body 5 to reciprocate along the axis direction of the braked shaft 1; the other end face of the cylindrical cam 2 is provided with a plurality of pairs of convex parts and concave parts, and the convex parts and the concave parts are alternately arranged on the circumference of the cylindrical cam 2; a plurality of holes are formed in one end face of the moving body 5, which is opposite to the cylindrical cam 2; an energy storage spring 4 and a contact head 3 are arranged in each hole, one end of the contact head 3 is contacted with the energy storage spring 4, the other end of the contact head is contacted with the cylindrical cam 2, the cylindrical cam 2 rotates, the contact head 3 is alternately contacted with the convex part and the concave part, and the contact head 3 is driven to reciprocate along the axis direction of the braked shaft 1 while the energy storage spring 4 is shortened or lengthened to be alternately changed; the moving mechanism 6 is connected with the controller 8; the position measuring mechanism 7 measures the rotation angle of the braked shaft 1, and transmits a rotation angle signal to the controller 8, and the controller 8 calculates the corresponding time of the convex part and the concave part on the cylindrical cam 2 according to the received rotation angle signal and controls the moving mechanism 6 to adjust the reciprocating frequency of the moving body 5 according to the time.
According to the present embodiment, preferably, when the contact head 3 is in contact with the concave portion of the cylindrical cam 2, the controller 8 controls the moving mechanism 6 to translate the moving body 5 in a direction approaching the cylindrical cam 2, and when the contact head 3 is in contact with the convex portion of the cylindrical cam 2, the controller 8 controls the moving mechanism 6 to translate the moving body 5 in a direction separating from the cylindrical cam 2.
Preferably, according to this embodiment, the moving mechanism 6 is any one of hydraulic, pneumatic, electromagnetic or electric motor.
According to the preferred embodiment, the position-finding mechanism 7 is a rotation angle sensor.
According to the present embodiment, preferably, the convex portions and concave portions are alternately uniformly distributed in the circumferential direction of the cylindrical cam 2.
According to the present embodiment, preferably, the number of holes of the moving body 5 is the same as the number of convex or concave portions of the cylindrical cam 2.
A control method according to the brake device, comprising the steps of:
after detecting a braking signal from a foot brake, a hand brake or other mechanisms, the controller 8 controls the moving mechanism 6 to move the moving body 5 a distance a in the direction of the cylindrical cam 2; the position finding mechanism 7 measures the rotation angle of the braked shaft 1 and transmits a rotation angle signal to the controller 8, and the controller 8 calculates the moment corresponding to the convex part and the concave part on the cylindrical cam 2 according to the received rotation angle signal and controls the reciprocating movement frequency of the moving body 5 according to the moment;
when the contact head 3 contacts with the concave part of the cylindrical cam 2, the controller 8 controls the moving mechanism 6 to enable the moving body 5 to translate a distance b in a direction approaching the cylindrical cam 2, the contact head 3 slides to the convex part of the cylindrical cam 2 along with the rotation of the braked shaft 1, and the energy storage spring 4 is compressed to convert the rotation kinetic energy of the braked shaft 1 into elastic potential energy to store; when the contact head 3 is contacted with the convex part of the cylindrical cam 2, the energy storage spring 4 is compressed to the shortest, the moving mechanism 6 controls the moving body 5 to translate a distance b in a direction away from the cylindrical cam 2, the energy storage spring naturally stretches to release elastic potential energy stored in the previous process, and the contact head 3 slides to the concave part of the cylindrical cam 2 along with the rotation of the braked shaft 1; the contact head 3 is alternately contacted with the convex part and the concave part of the cylindrical cam 2 until the braked shaft 1 stops rotating, and when the rotating speed of the braked shaft 1 is zero, the controller 8 controls the moving mechanism 6 to move the moving body 5 a distance a away from the cylindrical cam 2, and the moving body returns to the original position.
It should be understood that although the present disclosure has been described in terms of various embodiments, not every embodiment is provided with a separate technical solution, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the technical solutions in the various embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.
Claims (6)
1. A braking device is characterized by comprising a braking mechanism (9), a moving mechanism (6), a positioning mechanism (7) and a controller (8);
the braking mechanism (9) comprises a cylindrical cam (2), a contact head (3), a moving body (5) and an energy storage spring (4); one end face of the cylindrical cam (2) is connected with one end of the braked shaft (1), the cylindrical cam (2) synchronously rotates along with the braked shaft (1), one end of the moving body (5) is opposite to the other end face of the cylindrical cam (2), the other end of the moving body is connected with the moving mechanism (6), and the moving mechanism (6) drives the moving body (5) to reciprocate along the axis direction of the braked shaft (1); the other end face of the cylindrical cam (2) is provided with a plurality of pairs of convex parts and concave parts, and the convex parts and the concave parts are alternately arranged on the circumference of the cylindrical cam (2); a plurality of holes are formed in one end face, opposite to the cylindrical cam (2), of the moving body (5); an energy storage spring (4) and a contact head (3) are arranged in each hole, one end of the contact head (3) is in contact with the energy storage spring (4), the other end of the contact head is in contact with the cylindrical cam (2), the cylindrical cam (2) rotates, the contact head (3) is in alternate contact with the convex part and the concave part, and the contact head (3) is driven to reciprocate along the axis direction of the braked shaft (1) and simultaneously shortens or lengthens the energy storage spring (4) to be alternately changed; the moving mechanism (6) is connected with the controller (8); the position finding mechanism (7) measures a rotation angle signal of the braked shaft (1) and transmits the rotation angle signal to the controller (8), and the controller (8) calculates the moment corresponding to the convex part and the concave part on the cylindrical cam (2) according to the received rotation angle signal and controls the moving mechanism (6) to adjust the reciprocating movement frequency of the moving body (5) according to the moment;
when the contact head (3) is in contact with the concave part of the cylindrical cam (2), the controller (8) controls the moving mechanism (6) to enable the moving body (5) to translate towards the direction close to the cylindrical cam (2), and when the contact head (3) is in contact with the convex part of the cylindrical cam (2), the controller (8) controls the moving mechanism (6) to enable the moving body (5) to translate towards the direction far away from the cylindrical cam (2).
2. The braking device according to claim 1, characterized in that the moving mechanism (6) is any one of hydraulic, pneumatic, electromagnetic or electric motor.
3. Braking device according to claim 1, characterized in that the position finding means (7) is a rotation angle sensor.
4. Brake device according to claim 1, characterized in that the protrusions and recesses are alternately distributed in the circumferential direction of the cylindrical cam (2).
5. The braking device according to claim 1, characterized in that the number of holes of the mobile body (5) is the same as the number of projections or recesses of the cylindrical cam (2).
6. A control method of a brake apparatus according to any one of claims 1 to 5, comprising the steps of:
after the controller (8) detects a braking signal, the moving mechanism (6) is controlled to move the moving body (5) a distance a towards the direction of the cylindrical cam (2); the position finding mechanism (7) measures a rotation angle signal of the braked shaft (1) and transmits the rotation angle signal to the controller (8), and the controller (8) calculates the moment corresponding to the convex part and the concave part on the cylindrical cam (2) according to the received rotation angle signal and controls the reciprocating frequency of the moving body (5) according to the moment;
when the contact head (3) is in contact with the concave part of the cylindrical cam (2), the controller (8) controls the moving mechanism (6) to enable the moving body (5) to translate a distance b in the direction of approaching the cylindrical cam (2), and the contact head (3) slides to the convex part of the cylindrical cam (2) along with the rotation of the braked shaft (1), so that the energy storage spring (4) is compressed to convert the rotation kinetic energy of the braked shaft (1) into elastic potential energy to be stored; when the contact head (3) is in contact with the convex part of the cylindrical cam (2), the energy storage spring (4) is compressed to the shortest, the moving mechanism (6) controls the moving body (5) to translate a distance b in a direction away from the cylindrical cam (2), the energy storage spring naturally stretches, the elastic potential energy stored in the previous process is released, and the contact head (3) slides to the concave part of the cylindrical cam (2) along with the rotation of the braked shaft (1); the contact head (3) is alternately contacted with the convex part and the concave part of the cylindrical cam (2) until the braked shaft (1) stops rotating, and when the rotating speed of the braked shaft (1) is zero, the controller (8) controls the moving mechanism (6) to move the moving body (5) a distance a in a direction away from the cylindrical cam (2) and restore to the original position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110413429.3A CN113217560B (en) | 2021-04-16 | 2021-04-16 | Braking device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110413429.3A CN113217560B (en) | 2021-04-16 | 2021-04-16 | Braking device and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113217560A CN113217560A (en) | 2021-08-06 |
| CN113217560B true CN113217560B (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110413429.3A Active CN113217560B (en) | 2021-04-16 | 2021-04-16 | Braking device and control method thereof |
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| CN (1) | CN113217560B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207403869U (en) * | 2017-10-10 | 2018-05-25 | 南京康尼精密机械有限公司 | Brake motor in end-tooth |
| CN108488261A (en) * | 2018-03-29 | 2018-09-04 | 宋亦欣 | It is straight to push away precession separation screwing-out device |
| TWM587706U (en) * | 2019-07-30 | 2019-12-11 | 高泰精工有限公司 | Motor brake device |
| CN111457038A (en) * | 2020-05-27 | 2020-07-28 | 溱者(嘉兴)机器人科技有限公司 | Brake mechanism and brake device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2829206B1 (en) * | 2001-09-03 | 2004-07-30 | Messier Bugatti | SAFETY LOCKING DEVICE FOR ELECTROMECHANICAL EQUIPMENT, AND AIRCRAFT WHEEL BRAKE PROVIDED WITH SUCH A DEVICE |
| US8534431B2 (en) * | 2010-07-21 | 2013-09-17 | Warn Industries, Inc. | Face tooth hydraulic piston brake |
-
2021
- 2021-04-16 CN CN202110413429.3A patent/CN113217560B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207403869U (en) * | 2017-10-10 | 2018-05-25 | 南京康尼精密机械有限公司 | Brake motor in end-tooth |
| CN108488261A (en) * | 2018-03-29 | 2018-09-04 | 宋亦欣 | It is straight to push away precession separation screwing-out device |
| TWM587706U (en) * | 2019-07-30 | 2019-12-11 | 高泰精工有限公司 | Motor brake device |
| CN111457038A (en) * | 2020-05-27 | 2020-07-28 | 溱者(嘉兴)机器人科技有限公司 | Brake mechanism and brake device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113217560A (en) | 2021-08-06 |
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