CN111470268A - Braking device for belt conveyor - Google Patents
Braking device for belt conveyor Download PDFInfo
- Publication number
- CN111470268A CN111470268A CN202010341882.3A CN202010341882A CN111470268A CN 111470268 A CN111470268 A CN 111470268A CN 202010341882 A CN202010341882 A CN 202010341882A CN 111470268 A CN111470268 A CN 111470268A
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- braking
- sliding block
- sleeve
- sliding
- belt conveyor
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- 238000005096 rolling process Methods 0.000 claims description 66
- 230000000452 restraining effect Effects 0.000 claims 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 6
- 230000000977 initiatory effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/24—Gearing between driving motor and belt- or chain-engaging elements
- B65G23/26—Applications of clutches or brakes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a braking device for a belt conveyor, comprising: the driving shaft is used for driving the belt pulley and further driving the belt conveyor; a sliding block for braking the drive shaft; and a braking structure for controlling the sliding block to move between a braking position and a non-braking position. The braking device realizes braking of the belt conveyor and prevention of reversion of the belt conveyor without additional power through the cooperation of the spring, the sliding block, the braking sleeve, the ball and the braking block, and can accurately control the braking time.
Description
Technical Field
The invention relates to the technical field of belt conveyors, in particular to a braking device for a belt conveyor.
Background
When the existing belt conveyor brakes, an electric or magnetic braking device is usually additionally installed on a transmission shaft through manually pulling a brake switch, the mode of the manual switch needs to be manually watched or moved to the brake switch to open the brake switch, time and labor are wasted, potential safety hazards exist, the electric or magnetic braking device is usually controlled remotely, the belt conveyor is convenient and fast, but the additional structure is complex and expensive, and meanwhile, the braking mode cannot accurately control the braking opportunity.
Disclosure of Invention
The invention aims to solve the problems and provides a braking device for a belt conveyor, which has a simple structure and can accurately control the braking time, and the specific technical scheme is as follows:
a braking device for a belt conveyor, comprising:
the driving shaft is used for driving the belt pulley and further driving the belt conveyor;
a sliding block for braking the drive shaft;
and a braking structure for controlling the sliding block to move between a braking position and a non-braking position.
Furthermore, the left end of the driving shaft is rotatably arranged on the first support through a bearing, the left end of the driving shaft is limited in the axial direction through a first fastening nut and a limiting shaft sleeve, and the right side of the limiting shaft sleeve is abutted with a transmission shaft sleeve.
Furthermore, the braking structure comprises a spring gasket, a spring, a sliding block, a braking sleeve, a ball and a braking block, the spring gasket is arranged on the right side of the transmission shaft sleeve, the spring is abutted against the right side of the spring gasket, the right side of the spring is abutted against the sliding block, a sliding key is fixedly connected to the inner side of the sliding block, the sliding key is arranged in a sliding groove on the driving shaft in a sliding mode, a quarter circle is formed in the sliding groove along the circumferential direction of the driving shaft, clamping blocks which are symmetrical up and down are arranged at the left end of the sliding block, the braking sleeve is arranged on the outer side of the sliding block, a clamping groove matched with the clamping blocks is formed in the left side of the braking sleeve, a horn-mouth-shaped guide groove is formed in the left side of the clamping groove, the braking sleeve is arranged on the second support through threads, the right side, the brake pad is characterized in that balls are arranged between the sliding block and the brake pad, a first rolling groove matched with the balls is formed in the right end face of the sliding block, a second rolling groove matched with the balls is formed in the left end face of the brake pad, the first rolling groove is in a spiral line section, the depth of the first rolling groove close to the center is larger than the depth of the outer side, the depth of the first rolling groove is gradually reduced from inside to outside, and the second rolling groove is in a linear groove along the direction of a conical surface bus of the brake pad.
Furthermore, the number of the balls, the number of the first rolling grooves and the number of the second rolling grooves are four, and the balls, the first rolling grooves and the second rolling grooves are evenly distributed along the axial direction of the driving shaft.
Furthermore, a sliding sleeve is arranged between the sliding block and the braking sleeve, a roller or a rolling ball is arranged on the sliding sleeve, the roller or the rolling ball protrudes out of the upper surface and the lower surface of the sliding sleeve, and the roller is used for reducing the friction force when the sliding block and the braking sleeve slide relatively.
Furthermore, the outside cover of spring is equipped with spacing sleeve, and spacing sleeve is used for the spacing of sliding block to avoid the sliding block to appear axial drunkenness in band conveyer working process.
Furthermore, the transmission shaft sleeve is fixed on the driving shaft through a long key, a belt pulley is fixedly arranged on the transmission shaft sleeve, a driving belt is arranged on the belt pulley, and the driving belt is in transmission connection with a driving roller shaft of the belt conveyor.
Furthermore, the brake block is fixed on the driving shaft through a key, and the right end of the brake block is limited and fixed through a second fastening nut.
Further, the driving shaft is in transmission connection with the driving motor through a coupler.
The invention also discloses a braking method for the belt conveyor, which comprises the steps that a driving motor is started to drive a driving shaft to rotate, the driving shaft drives a braking block to rotate, the braking block drives the balls to move outwards along a second rolling groove, meanwhile, the balls move along a first rolling groove due to the limit of the first rolling groove, and the depth of the first rolling groove close to the center is larger than that of the outer side, so that the balls spirally move leftwards, the balls push a sliding block to move leftwards and compress a spring, when the balls move to the tail ends of the first rolling groove and the second rolling groove, a sliding key slides to the tail end of the sliding groove, a clamping block on the sliding block is separated from a clamping groove, the sliding block is abutted against a limiting sleeve, then, the driving shaft continuously rotates, a driving belt pulley and a driving belt rotate, and further, the belt conveyor; when driving motor stopped, the drive shaft lost power, the sliding block moved right under the elasticity of spring, and ball reverse motion to initial position, fixture block on the sliding block through guide way and draw-in groove block, sliding block stall, sliding key slip and butt to the initiating terminal of the epaxial sliding tray of drive, and then realize the braking of drive shaft to the reverse rotation of restriction drive shaft.
Compared with the prior art, the invention has the following remarkable technical effects due to the adoption of the technical scheme:
the braking structure realizes braking of the belt conveyor and prevention of reversion of the belt conveyor without additional power through the matching of the spring, the sliding block, the braking sleeve, the ball and the braking block, and can accurately control the braking time, namely, automatic braking can be realized when the belt conveyor is stopped without manual switch or manual remote operation; the brake block is provided with a sliding block with a first rolling groove, a ball and a brake block with a second rolling groove, wherein the first rolling groove is in a section of a spiral line, the depth of the first rolling groove close to the center is greater than that of the outer side, the depth of the first rolling groove is gradually reduced from inside to outside, the second rolling groove is in a linear groove along the direction of a generatrix of the conical surface of the brake block, the depth of the first rolling groove close to the center is greater than that of the outer side, so that the ball spirally moves leftwards, the ball pushes the sliding block to move leftwards and compresses a spring, further, the distance between the ball and the sliding block to move leftwards is enlarged due to the fact that the left end face of the brake block is a conical surface with a concave middle part and a convex outer ring, and the stable change of the sliding block between a braking position and a non-braking position is controlled.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a right side view of the slider in the present invention.
Figure 3 is a left side view of the brake pad of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 3, a brake device for a belt conveyor, comprising: a drive shaft 5 for driving the pulley 17 and thus the belt conveyor; a sliding block 9 for braking the drive shaft 5; and a braking structure for controlling the sliding block 9 to move between a braking position and a non-braking position.
The left end of drive shaft 5 passes through the bearing and rotates the setting on first support 1, and is spacing to the left end of drive shaft 5 in the axial direction through first fastening nut 15 and spacing axle sleeve 3, the right side butt of spacing axle sleeve 3 has connect driving sleeve 4.
Braking structure includes spring shim 6, spring 7, sliding block 9, braking sleeve 11, ball 12 and brake pads 13, spring shim 6 sets up the right side of driving sleeve 4, spring shim 6 right side butt has spring 7, the right side and the sliding block 9 butt of spring 7, the inboard fixedly connected with sliding key 19 of sliding block 9, sliding key 19 slides and sets up in the sliding tray on drive shaft 5, the sliding tray sets up the quarter round along drive shaft 5 circumference, and the left end of sliding block 9 is provided with the fixture block of longitudinal symmetry, and the outside of sliding block 9 is provided with braking sleeve 11, braking sleeve 11 the left side be provided with fixture block complex draw-in groove, the left side of draw-in groove is provided with the guide way of horn mouth form.
The brake sleeve 11 is arranged on the second support 20 through threads, the right side of the brake sleeve 11 is locked on the second support 20 through a locking nut 21, a brake block 13 is arranged at the right end of the sliding block 9, a ball 12 is arranged between the sliding block 9 and the brake block 13, a first rolling groove 22 matched with the ball 12 is arranged on the right side end face of the sliding block 9, a second rolling groove 23 matched with the ball 12 is arranged on the left side end face of the brake block 13, the first rolling groove 22 is in a section of a spiral line, the depth of the first rolling groove 22 close to the center is larger than that of the outer side, the depth of the first rolling groove 22 is gradually reduced from inside to outside, and the second rolling groove 23 is in a linear groove along the direction of the conical surface bus of the brake block 13.
The number of the balls 12, the first rolling grooves 22, and the second rolling grooves 23 is four, and they are uniformly distributed along the axial direction of the drive shaft 5.
A sliding sleeve 10 is arranged between the sliding block 9 and the braking sleeve 11, a roller or a rolling ball is arranged on the sliding sleeve 10, the roller or the rolling ball protrudes out of the upper surface and the lower surface of the sliding sleeve 10, and the roller is used for reducing the friction force when the sliding block 9 and the braking sleeve 11 slide relatively.
The outside cover of spring 7 is equipped with spacing sleeve 8, and spacing sleeve 8 is used for sliding block 9 spacing to avoid sliding block 9 to appear axial drunkenness in band conveyer working process.
The transmission shaft sleeve 4 is fixed on the driving shaft 5 through a long key 16, a belt pulley 17 is fixedly arranged on the transmission shaft sleeve 4, a driving belt 18 is arranged on the belt pulley 17, and the driving belt 18 is in transmission connection with a driving roller shaft of the belt conveyor.
The brake block 13 is fixed on the driving shaft 5 through a key, and the right end of the brake block 13 is limited and fixed through a second fastening nut.
And the driving shaft 5 is in transmission connection with a driving motor through a coupler.
The braking method of the braking device for the belt conveyor comprises the following steps: starting a driving motor, driving a driving shaft 5 to rotate, driving the driving shaft 5 to drive a brake block 13 to rotate, driving the ball 12 to move outwards along a second rolling groove 23 by the brake block 13, meanwhile, the ball 12 moves along a first rolling groove 22 due to the limit of the first rolling groove 22, and the depth of the first rolling groove 22 close to the center is greater than that of the outer side, so that the ball 12 spirally moves leftwards, the ball 12 pushes a sliding block 9 to move leftwards and compress a spring 7, when the ball 12 moves to the tail ends of the first rolling groove 22 and the second rolling groove 23, a sliding key 19 slides to the tail end of the sliding groove, a clamping block on the sliding block 9 is separated from a clamping groove, the sliding block 9 is abutted against a limit sleeve 8, then, the driving shaft 5 continuously rotates, and a driving belt pulley 17 and a driving belt 18 rotate, thereby driving a belt conveyor; when driving motor stopped, when drive shaft 5 lost power, slider 9 moved right under the elasticity of spring 7, and ball 12 reverse motion to initial position, the fixture block on the slider 9 through guide way and draw-in groove block, slider 9 stall, and sliding key 19 slides and the initiating terminal of the sliding tray of butt on drive shaft 5, and then realizes the braking of drive shaft 5 to the reverse rotation of restriction drive shaft 5.
Example 2
As shown in fig. 1 to 3, a brake device for a belt conveyor, comprising: a drive shaft 5 for driving the pulley 17 and thus the belt conveyor; a sliding block 9 for braking the drive shaft 5; and a braking structure for controlling the sliding block 9 to move between a braking position and a non-braking position.
The left end of drive shaft 5 passes through the bearing and rotates the setting on first support 1, and is spacing to the left end of drive shaft 5 in the axial direction through first fastening nut 15 and spacing axle sleeve 3, the right side butt of spacing axle sleeve 3 has connect driving sleeve 4.
The brake structure comprises a spring gasket 6, a spring 7, a sliding block 9, a brake sleeve 11, a ball 12 and a brake block 13, wherein the spring gasket 6 is arranged on the right side of the transmission shaft sleeve 4, the spring 7 is abutted against the right side of the spring gasket 6, the right side of the spring 7 is abutted against the sliding block 9, a sliding key 19 is fixedly connected to the inner side of the sliding block 9, the sliding key 19 is arranged in a sliding groove on the driving shaft 5 in a sliding manner, a quarter circle is formed in the sliding groove along the circumferential direction of the driving shaft 5, clamping blocks which are symmetrical up and down are arranged at the left end of the sliding block 9, the brake sleeve 11 is arranged on the outer side of the sliding block 9, a clamping groove matched with the clamping blocks is arranged on the left side of the brake sleeve 11, a horn-mouth-shaped guide groove is arranged on the left side of the clamping groove, the brake sleeve 11 is arranged on the second support, the right end of the sliding block 9 is provided with a brake block 13, a ball 12 is arranged between the sliding block 9 and the brake block 13, a first rolling groove 22 matched with the ball 12 is arranged on the right end face of the sliding block 9, a second rolling groove 23 matched with the ball 12 is arranged on the left end face of the brake block 13, the first rolling groove 22 is in a spiral line section, the depth of the first rolling groove 22 close to the center is larger than that of the outer side, the depth of the first rolling groove 22 is gradually reduced from inside to outside, and the second rolling groove 23 is in a linear groove along the direction of a conical bus of the brake block 13.
The left end face of the brake block 13 is a tapered surface with a concave center and a convex outer ring to increase the distance by which the ball 12 and the slider 9 are displaced to the left.
The number of the balls 12, the first rolling grooves 22, and the second rolling grooves 23 is four, and they are uniformly distributed along the axial direction of the drive shaft 5.
A sliding sleeve 10 is arranged between the sliding block 9 and the braking sleeve 11, a roller or a rolling ball is arranged on the sliding sleeve 10, the roller or the rolling ball protrudes out of the upper surface and the lower surface of the sliding sleeve 10, and the roller is used for reducing the friction force when the sliding block 9 and the braking sleeve 11 slide relatively.
The outside cover of spring 7 is equipped with spacing sleeve 8, and spacing sleeve 8 is used for sliding block 9 spacing to avoid sliding block 9 to appear axial drunkenness in band conveyer working process.
The transmission shaft sleeve 4 is fixed on the driving shaft 5 through a long key 16, a belt pulley 17 is fixedly arranged on the transmission shaft sleeve 4, a driving belt 18 is arranged on the belt pulley 17, and the driving belt 18 is in transmission connection with a driving roller shaft of the belt conveyor.
The brake block 13 is fixed on the driving shaft 5 through a key, and the right end of the brake block 13 is limited and fixed through a second fastening nut.
And the driving shaft 5 is in transmission connection with a driving motor through a coupler.
The braking method of the braking device for the belt conveyor comprises the following steps: starting the driving motor to drive the driving shaft 5 to rotate, the driving shaft 5 drives the brake block 13 to rotate, the brake block 13 drives the ball 12 to move outwards along the second rolling groove 23, meanwhile, the ball 12 moves along the first rolling groove 22 due to the limit of the first rolling groove 22, the depth of the first rolling groove 22 close to the center is greater than that of the outer side, so that the ball 12 spirals leftwards, the ball 12 pushes the sliding block 9 to move leftwards and compress the spring 7, further, the distance of displacement of the ball 12 and the sliding block 9 towards the left side is increased due to the fact that the left end surface of the brake block 13 is a conical surface with a concave middle part and a convex outer ring, when the ball 12 moves to the tail ends of the first rolling groove 22 and the second rolling groove 23, the sliding key 19 slides to the tail end of the sliding groove, the clamping block on the sliding block 9 is separated from the clamping groove, and the sliding block, then, the driving shaft 5 continues to rotate, the driving belt pulley 17 and the driving belt 18 rotate, and the belt conveyor is driven to run; when driving motor stopped, when drive shaft 5 lost power, slider 9 moved right under the elasticity of spring 7, and ball 12 reverse motion to initial position, the fixture block on the slider 9 through guide way and draw-in groove block, slider 9 stall, and sliding key 19 slides and the initiating terminal of the sliding tray of butt on drive shaft 5, and then realizes the braking of drive shaft 5 to the reverse rotation of restriction drive shaft 5.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features of the embodiments described above are not described, but should be considered as within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A braking device for a belt conveyor, comprising:
the driving shaft is used for driving the belt pulley and further driving the belt conveyor;
a sliding block for braking the drive shaft;
and a braking structure for controlling the sliding block to move between a braking position and a non-braking position.
2. The brake device for a belt conveyor according to claim 1, wherein the left end of the driving shaft is rotatably disposed on the first bracket through a bearing, the left end of the driving shaft is axially restrained by a first fastening nut and a restraining bushing, and a driving bushing abuts against the right side of the restraining bushing.
3. The braking device for the belt conveyor according to claims 1 and 2, wherein the braking structure comprises a spring pad, a spring, a sliding block, a braking sleeve, a ball and a brake block, the spring pad is arranged on the right side of the driving shaft sleeve, the spring is abutted against the right side of the spring pad, the right side of the spring is abutted against the sliding block, a sliding key is fixedly connected to the inner side of the sliding block, the sliding key is slidably arranged in a sliding groove on the driving shaft, the sliding groove is provided with a quarter turn along the circumferential direction of the driving shaft, the left end of the sliding block is provided with clamping blocks which are symmetrical up and down, the outer side of the sliding block is provided with the braking sleeve, the left side of the braking sleeve is provided with a clamping groove which is matched with the clamping block, the left side of the clamping groove is provided with a horn mouth-shaped guide groove, and, the right side of the brake sleeve is locked on the second support through a locking nut, the right end of the sliding block is provided with a brake block, a ball is arranged between the sliding block and the brake block, a first rolling groove matched with the ball is formed in the end face of the right side of the sliding block, a second rolling groove matched with the ball is formed in the end face of the left side of the brake block, the first rolling groove is in a section of spiral line, the depth of the first rolling groove close to the center is larger than that of the outer side, the depth of the first rolling groove is gradually reduced from inside to outside, and the second rolling groove is in a linear groove along the direction of the conical surface bus of the brake block.
4. The brake device for a belt conveyor according to claim 1, wherein the number of the balls, the first rolling grooves and the second rolling grooves is four and is uniformly distributed in the axial direction of the drive shaft.
5. The brake apparatus for a belt conveyor according to claim 1, wherein a sliding sleeve is provided between the sliding block and the braking sleeve, and the sliding sleeve is provided with rollers or rolling balls which protrude from upper and lower surfaces of the sliding sleeve, the rollers being adapted to reduce friction when the sliding block and the braking sleeve slide relative to each other.
6. The braking device for a belt conveyor as claimed in claim 1, wherein the spring is externally sleeved with a limit sleeve for limiting the sliding block so as to prevent the sliding block from axially shifting during the operation of the belt conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010341882.3A CN111470268B (en) | 2020-04-27 | 2020-04-27 | Braking device for belt conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010341882.3A CN111470268B (en) | 2020-04-27 | 2020-04-27 | Braking device for belt conveyor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111470268A true CN111470268A (en) | 2020-07-31 |
| CN111470268B CN111470268B (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010341882.3A Active CN111470268B (en) | 2020-04-27 | 2020-04-27 | Braking device for belt conveyor |
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| CN (1) | CN111470268B (en) |
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|---|---|---|---|---|
| DE1575866A1 (en) * | 1966-05-07 | 1970-01-02 | Ferguson Res Ltd Harry | Clutch assembly |
| US3815349A (en) * | 1971-06-21 | 1974-06-11 | A Gardella | Clutch for a stretching mechanism is a spinning or twisting machine |
| US3935749A (en) * | 1974-09-05 | 1976-02-03 | Vln Corporation | Starting apparatus |
| CA2076093A1 (en) * | 1991-08-15 | 1993-02-16 | Malcolm V. Wade | Rotation check mechanism |
| CN1072247A (en) * | 1991-08-15 | 1993-05-19 | Ivg澳大利亚有限公司 | The mechanism of rotation check |
| US5713446A (en) * | 1996-08-20 | 1998-02-03 | Eaton Corporation | Low inertia ball ramp actuator |
| CN1176353A (en) * | 1996-07-22 | 1998-03-18 | 易通公司 | Transmission inertia brake with self energizing |
| CN101934919A (en) * | 2010-08-09 | 2011-01-05 | 中国矿业大学 | Disc brake for belt conveyor |
| CN202914582U (en) * | 2012-09-07 | 2013-05-01 | 四川大学 | Overrunning clutch |
| CN104010951A (en) * | 2011-10-27 | 2014-08-27 | 克纳普股份公司 | Clutch/brake unit for an accumulation conveyor |
| CN104919216A (en) * | 2012-12-18 | 2015-09-16 | Ntn株式会社 | Ball-ramp mechanism, linear motion actuator, and electric disc brake device |
| CN108999894A (en) * | 2018-08-08 | 2018-12-14 | 王晓东 | A kind of mechanical double-way automatic clutch met compared with the slow-speed of revolution |
| CN109163029A (en) * | 2018-09-05 | 2019-01-08 | 庆安集团有限公司 | One bulb ramp type double rolling key clutch |
-
2020
- 2020-04-27 CN CN202010341882.3A patent/CN111470268B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1575866A1 (en) * | 1966-05-07 | 1970-01-02 | Ferguson Res Ltd Harry | Clutch assembly |
| US3815349A (en) * | 1971-06-21 | 1974-06-11 | A Gardella | Clutch for a stretching mechanism is a spinning or twisting machine |
| US3935749A (en) * | 1974-09-05 | 1976-02-03 | Vln Corporation | Starting apparatus |
| CA2076093A1 (en) * | 1991-08-15 | 1993-02-16 | Malcolm V. Wade | Rotation check mechanism |
| CN1072247A (en) * | 1991-08-15 | 1993-05-19 | Ivg澳大利亚有限公司 | The mechanism of rotation check |
| CN1176353A (en) * | 1996-07-22 | 1998-03-18 | 易通公司 | Transmission inertia brake with self energizing |
| US5713446A (en) * | 1996-08-20 | 1998-02-03 | Eaton Corporation | Low inertia ball ramp actuator |
| CN101934919A (en) * | 2010-08-09 | 2011-01-05 | 中国矿业大学 | Disc brake for belt conveyor |
| CN104010951A (en) * | 2011-10-27 | 2014-08-27 | 克纳普股份公司 | Clutch/brake unit for an accumulation conveyor |
| CN202914582U (en) * | 2012-09-07 | 2013-05-01 | 四川大学 | Overrunning clutch |
| CN104919216A (en) * | 2012-12-18 | 2015-09-16 | Ntn株式会社 | Ball-ramp mechanism, linear motion actuator, and electric disc brake device |
| CN108999894A (en) * | 2018-08-08 | 2018-12-14 | 王晓东 | A kind of mechanical double-way automatic clutch met compared with the slow-speed of revolution |
| CN109163029A (en) * | 2018-09-05 | 2019-01-08 | 庆安集团有限公司 | One bulb ramp type double rolling key clutch |
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| CN111470268B (en) | 2021-07-30 |
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