CN115059701A - Centrifugal speed regulation clutch - Google Patents
Centrifugal speed regulation clutch Download PDFInfo
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- CN115059701A CN115059701A CN202210898797.6A CN202210898797A CN115059701A CN 115059701 A CN115059701 A CN 115059701A CN 202210898797 A CN202210898797 A CN 202210898797A CN 115059701 A CN115059701 A CN 115059701A
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- centrifugal speed
- sliding
- centrifugal
- driving
- brake block
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- 230000033228 biological regulation Effects 0.000 title claims abstract description 23
- 238000001125 extrusion Methods 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 33
- 230000001105 regulatory effect Effects 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 15
- 238000005299 abrasion Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000110 cooling liquid Substances 0.000 description 13
- 230000002035 prolonged effect Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000007921 spray Substances 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
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
- F16D43/16—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members with clutching members having interengaging parts
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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
- F16D2300/00—Special features for couplings or clutches
- F16D2300/02—Overheat protection, i.e. means for protection against overheating
- F16D2300/021—Cooling features not provided for in group F16D13/72 or F16D25/123, e.g. heat transfer details
- F16D2300/0214—Oil or fluid cooling
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention relates to the field of clutches, in particular to a centrifugal speed regulation clutch, which comprises a driving part, an arc-shaped connecting block, a drum wheel, a centrifugal speed regulation part and a driving disk, and solves the problems that the conventional centrifugal clutch is usually provided with a friction layer on the side wall of a centrifugal body in the use process, a driven part is driven to rotate by the friction force between the friction layer and the driven part under the condition of high rotating speed of the driving part, the friction layer is abraded to a certain degree along with the increase of the use time, so that the thickness of the friction layer is thinned, and the friction force between the friction layer and the driven part is not enough to drive the driven part to rotate under the condition that the driving part rotates at the same rotating speed, so that the use effect of the clutch is reduced; meanwhile, the friction layer generates a large amount of friction heat in the friction process, and the traditional centrifugal clutch cannot timely cool the friction layer, so that the abrasion of the friction layer is aggravated, and the service life of the centrifugal clutch is shortened.
Description
Technical Field
The invention relates to the field of clutches, in particular to a centrifugal speed regulation clutch.
Background
Centrifugal clutches transmit torque by friction, and their basic structure consists of three elements: the centrifugal device comprises a driving part, a centrifugal body and a driven part. The centrifugal body is arranged on the driving part in a sliding way, and the driving part is driven by the prime motor to rotate and accelerate so as to throw the centrifugal body out in the radial direction. When the driving part reaches a specified angular velocity, the thrown centrifugal body is pressed against the inner wall of the driven part, and is forced to enter a motion state by friction force to transmit torque. The driven member of the clutch may be connected to the load directly or through a pulley or the like.
In the use process of the existing centrifugal clutch, a friction layer is usually arranged on the side wall of a centrifugal body, under the condition of high rotating speed of a driving part, a driven part is driven to rotate by the friction force between the friction layer and the driven part, the friction layer is abraded to a certain extent along with the increase of the use time, so that the thickness of the centrifugal clutch is thinned, and under the condition that the driving part rotates at the same rotating speed, the friction force between the friction layer and the driven part is not enough to drive the driven part to rotate, so that the use effect of the centrifugal clutch is reduced; meanwhile, the friction layer generates a large amount of friction heat in the friction process, and the traditional centrifugal clutch cannot cool the friction layer in time, so that the abrasion of the friction layer is aggravated, and the service life of the centrifugal clutch is shortened.
Therefore, the invention provides a centrifugal speed regulation clutch which can solve the existing problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a centrifugal speed regulation clutch, which solves the problems that the conventional centrifugal clutch is usually provided with a friction layer on the side wall of a centrifugal body in the use process, a driven part is driven to rotate by the friction force between the friction layer and the driven part under the condition of high rotating speed of a driving part, the friction layer is abraded to a certain extent along with the increase of the use time, so that the thickness of the driven part is thinned, and when the driving part rotates at the same rotating speed, the friction force between the friction layer and the driven part is not enough to drive the driven part to rotate, so that the use effect of the clutch is reduced; meanwhile, the friction layer generates a large amount of friction heat in the friction process, and the traditional centrifugal clutch cannot cool the friction layer in time, so that the abrasion of the friction layer is aggravated, and the technical problem that the service life of the centrifugal clutch is shortened is caused;
the technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a centrifugal speed governing clutch, includes driving part, arc connecting block, drum, centrifugal speed governing part and drive plate, driving part rear side wall outer edge its circumference is evenly fixed and is provided with the arc connecting block, lateral wall fixed mounting has the drum behind the arc connecting block, driving part rear end contact is connected with the drive plate, is provided with centrifugal speed governing part on the lateral wall before the drive plate, centrifugal speed governing part outer edge and the laminating of drum inside wall slip.
Preferably, the driving part comprises a driving shaft, a central disc, reinforcing fan plates and a driving ring, wherein the central disc is fixedly installed at the rear end of the driving shaft, the reinforcing fan plates are uniformly and fixedly arranged on the outer side wall of the central disc along the circumferential direction of the central disc, and one ends, far away from the central disc, of the reinforcing fan plates are fixedly connected with the driving ring.
Preferably, the inner side wall of the drum wheel is uniformly provided with bulges along the circumferential direction, and the bulges can increase the friction between the centrifugal speed regulating component and the inner side wall of the drum wheel, so that the centrifugal speed regulating component can drive the drum wheel to rotate in a high-speed state.
Preferably, centrifugal speed adjustment part include the runner, the horizontal pole, extension spring, the brake block, centrifugal speed adjustment unit and cooling unit, wherein be central symmetry on the lateral wall before the driving disk and install the runner, the laminating of one side that is close to the drum on the runner has the brake block, fixedly connected with horizontal pole on the lateral wall of brake block, one side that the brake block was kept away from to the horizontal pole is rotated through round pin axle and driving disk and is linked to each other, it has extension spring to lie in fixed mounting between the brake block and the horizontal pole with one side, the inside centrifugal speed adjustment unit that is provided with of brake block, the centrifugal speed adjustment unit extend to the brake block outside and with the protruding sliding fit that sets up on the drum inside wall, the inside cooling unit that still is provided with of brake block, the protruding sliding fit that sets up on cooling unit one end and the drum inside wall, the cooling unit other end extends to the brake block outside and is close with the arch mutually.
Preferably, the brake block be close to bellied one side and be the arc structure, the brake block of arc structure can increase the area of contact between brake block and the drum wheel to increase the friction between brake block and the arch, more be favorable to driving protruding rotation.
Preferably, the centrifugal speed regulation unit include smooth chamber, T shape floodgate tooth, the ejector pin, the trapezoidal piece, extrusion spring and rotation bolt, wherein the floodgate piece is close to bellied one side and has evenly seted up smooth chamber along its pitch arc direction, every smooth intracavity all slides and is provided with T shape floodgate tooth, T shape floodgate tooth one end and protruding sliding fit, T shape floodgate tooth other end fixedly connected with ejector pin, the one end sliding contact that T shape floodgate tooth was kept away from to the ejector pin has the trapezoidal piece, the trapezoidal piece slides and sets up in smooth chamber bottom, install extrusion spring between lateral wall and the smooth intracavity wall before the trapezoidal piece, set up threaded hole on the smooth intracavity lateral wall of trapezoidal piece rear side, the spiro union has rotation bolt in the threaded hole, the lateral wall is contradicted each other behind rotation bolt and the trapezoidal piece.
Preferably, one end of the ejector rod, which is far away from the T-shaped brake tooth, is parallel to and in sliding contact with the inclined surface of the trapezoidal block.
Preferably, trapezoidal piece and sliding cavity between seted up the bar spout, the trapezoidal piece is kept away from evenly being provided with the slip ball on the lateral wall of ejector pin, the slip ball slides and sets up in the bar spout, the slip ball can reduce the friction between trapezoidal piece and the sliding cavity to the position of the artifical T shape floodgate tooth of being convenient for adjust.
Preferably, the cooling unit include a sap cavity, the stripper bar, the stripper plate, buffer spring, the intercommunication water pipe, No. two sap cavities and nozzle, wherein the inside position that is close to the horizontal pole of sluiceblock has seted up a sap cavity, it is provided with the stripper bar to slide in the sap cavity, stripper bar one end extends to the sap cavity outside and with protruding sliding contact, the stripper bar other end is contradicted there is the stripper plate, the stripper plate slides and sets up in the sap cavity inside, fixed mounting has buffer spring between stripper plate and the sap cavity bottom, No. two sap cavities have been seted up to the inside position of keeping away from centrifugal speed governing unit of sluiceblock, communicate each other through the intercommunication water pipe between a sap cavity and No. two sap cavities, the nozzle is installed in the exit in No. two sap cavities, the nozzle faces the arch.
Preferably, one end of the extrusion rod, which is close to the extrusion plate, is provided with a rubber buffer layer, and the rubber buffer layer can reduce the impact force of the extrusion rod on the extrusion plate, so that the cooling liquid is uniformly sprayed out.
The invention has the beneficial effects that:
(1) the centrifugal speed regulation clutch of the invention replaces the traditional friction layer by arranging the centrifugal speed regulation units on the brake block, a plurality of centrifugal speed regulation units are uniformly arranged along the arc-shaped side wall of the brake block, a T-shaped brake tooth, an ejector rod, a trapezoidal block and a rotating bolt are arranged in a single centrifugal speed regulation unit, the T-shaped brake tooth is driven by centrifugal force to extrude a bulge arranged on the inner side wall of a drum wheel so as to drive the drum wheel to rotate, the arc-shaped connecting block is driven by the drum wheel to rotate so as to drive a driving ring to rotate, a central disc and a reinforcing sector plate are driven by the driving ring to rotate, thereby achieving the purpose of driving a driving shaft and a working shaft connected with the driving shaft to rotate, when the centrifugal speed regulation clutch is used for a period of time, the end head of the T-shaped brake tooth is worn, and then the position of the trapezoidal block can be changed by manually rotating the rotating bolt, therefore, the position of the T-shaped brake tooth is adjusted by extruding the ejector rod through the trapezoidal block, and the end head of the T-shaped brake tooth can be naturally attached to the inner side wall of the drum wheel all the time, so that the using effect of the centrifugal clutch is improved.
(2) According to the centrifugal speed regulation clutch, the cooling unit is further arranged in the brake block, the extrusion rod is driven to continuously extrude the inner wall of the drum wheel through the centrifugal force generated by the brake block in the high-speed rotation process, the extrusion rod can continuously smash the extrusion pressing plate due to the fact that the inner wall of the drum wheel is uneven, cooling liquid is extruded out, and then the cooling liquid is sprayed onto the inner wall of the drum wheel through the nozzle, so that the cooling effect on the end of the T-shaped brake tooth can be achieved when the T-shaped brake tooth passes through, the abrasion of the T-shaped brake tooth can be reduced, the service life of the T-shaped brake tooth can be prolonged, and the service life of the centrifugal speed regulation clutch is prolonged.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the driving member and the arc-shaped connecting block according to the present invention;
FIG. 3 is a schematic perspective view of a drum and a centrifugal governor part according to the present invention;
FIG. 4 is a schematic view showing the construction of a drum and a centrifugal governor part according to the present invention;
FIG. 5 is a schematic perspective view of a driven disk according to the present invention;
FIG. 6 is a schematic structural diagram of a brake block and a centrifugal governor unit according to the present invention;
FIG. 7 is a schematic structural diagram of a brake block, a centrifugal governor unit and a cooling unit in the present invention.
In the figure: 1. an active component; 11. a drive shaft; 12. a central disk; 13. reinforcing the fan plate; 14. a driving ring; 2. an arc-shaped connecting block; 3. a drum; 31. a protrusion; 4. a centrifugal speed regulating member; 41. a rotating wheel; 42. a cross bar; 43. an extension spring; 44. a brake block; 45. a centrifugal speed regulating unit; 451. a slide chamber; 452. a T-shaped gate tooth; 453. a top rod; 454. a trapezoidal block; 455. a compression spring; 456. rotating the bolt; 46. a cooling unit; 461. a first liquid chamber; 462. an extrusion stem; 463. a pressing plate; 464. a buffer spring; 465. the water pipe is communicated; 466. a second liquid chamber; 467. a nozzle; 5. a driving disk.
Detailed Description
The present invention will be further described with reference to the following detailed description so that the technical means, the creation features, the achievement purposes and the effects of the present invention can be easily understood.
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.
Referring to fig. 1 to 7, a centrifugal speed governing clutch, includes driving part 1, arc connecting block 2, drum 3, centrifugal speed governing part 4 and drive plate 5, 1 rear side wall of driving part evenly be provided with arc connecting block 2 along its circumference is fixed outward, 2 rear side wall fixed mounting of arc connecting block have drum 3, 1 rear end contact of driving part is connected with drive plate 5, is provided with centrifugal speed governing part 4 on the drive plate 5 preceding lateral wall, centrifugal speed governing part 4 is outer along with 3 inside wall sliding fit of drum.
Referring to fig. 1 and 2, the driving part 1 includes a driving shaft 11, a central disc 12, a reinforcing fan plate 13 and a driving ring 14, wherein the central disc 12 is fixedly installed at the rear end of the driving shaft 11, the reinforcing fan plate 13 is uniformly and fixedly installed on the outer side wall of the central disc 12 along the circumferential direction thereof, and the driving ring 14 is fixedly connected to one end of the reinforcing fan plate 13 far from the central disc 12.
When the centrifugal speed regulation device works, a connecting shaft in the middle of the rear side wall of the driving disc 5 is connected with an output shaft of an external motor, the front end of the driving shaft 11 is connected with the existing working shaft, the driving disc 5 is driven to rotate by the external motor, so that the centrifugal speed regulation component 4 is driven to rotate, when the rotating speed of the output shaft of the external motor is low, the driving disc 5 rotates relatively low, the outer edge of the centrifugal speed regulation component 4 can be attached to a bulge 31 arranged on the inner side wall of the drum 3 to rotate without driving the drum 3 to rotate, and at the moment, the output shaft of the external motor and the working shaft connected with the driving shaft 11 are in a separated state; when the outside motor rotational speed is very fast, the drive plate 5 rotates very fast, 4 rotational speeds of centrifugal speed regulating part can also be very fast, and centrifugal speed regulating part 4 can produce certain centrifugal force and make the outer edge of centrifugal speed regulating part 4 extrude the arch 31 that sets up on the drum 3 inside wall under the high-speed rotation circumstances, and the frictional force between centrifugal speed regulating part 4 and the arch 31 can drive drum 3 and rotate, drive arc connecting block 2 through drum 3 and rotate, thereby drive ring 14 and rotate, drive central disk 12 and reinforcement fan board 13 through drive ring 14 and rotate, and then reach and drive driving shaft 11 and the working shaft that is connected with driving shaft 11 and carry out the pivoted purpose.
Referring to fig. 1 and 3, the inner side wall of the drum 3 is uniformly provided with protrusions 31 along the circumferential direction, and the protrusions 31 can increase the friction between the centrifugal speed adjusting member 4 and the inner side wall of the drum 3, thereby facilitating the centrifugal speed adjusting member 4 to drive the drum 3 to rotate at a high speed.
Referring to fig. 3 and 4, the centrifugal speed adjusting member 4 includes a rotating wheel 41, a cross bar 42, an extension spring 43, a brake block 44, a centrifugal speed adjusting unit 45 and a cooling unit 46, wherein the rotating wheel 41 is installed on the front side wall of the driving disk 5 in a central symmetry manner, the brake block 44 is attached to one side of the rotating wheel 41 close to the drum 3, one side of the brake block 44 close to the protrusion 31 is in an arc structure, the brake block 44 in the arc structure can increase the contact area between the brake block 44 and the drum 3, so as to increase the friction between the brake block 44 and the protrusion 31, and further facilitate the rotation of the protrusion 31, the cross bar 42 is fixedly connected to the side wall of the brake block 44, one side of the cross bar 42 far from the brake block 44 is rotatably connected to the driving disk 5 through a pin shaft, the extension spring 43 is fixedly installed between the brake block 44 and the cross bar 42, the centrifugal speed adjusting unit 45 is disposed inside the brake block 44, the centrifugal speed adjusting unit 45 extends to the outer side of the brake block 44 and is slidably attached to the protrusion 31 disposed on the inner side wall of the drum 3, the inside of the brake block 44 is further provided with a cooling unit 46, one end of the cooling unit 46 is slidably attached to the protrusion 31 provided on the inner sidewall of the drum 3, and the other end of the cooling unit 46 extends to the outside of the brake block 44 and is close to the protrusion 31.
When the rotating speed of the output shaft of the external motor is high, the rotation of the driving disc 5 can also be increased, the driving disc 5 can drive the cross rod 42 and the brake block 44 to rotate in the rotating process, under the action of centrifugal force, the extrusion force of the outer edge of the centrifugal speed regulating unit 45 to the inner side wall of the drum 3 can be increased continuously, the friction force between the inner side wall of the drum 3 and the centrifugal speed regulating unit 45 can be increased continuously, after the friction force is increased to a certain degree, the friction force can drive the centrifugal speed regulating unit 45 and the drum 3 to rotate synchronously, in the process of increasing the extrusion force between the outer edge of the centrifugal speed regulating unit 45 and the inner side wall of the drum 3, the cooling unit 46 can spray cooling liquid on the surface of the protrusion 31 arranged on the inner side wall of the drum 3, so that the abrasion of the centrifugal speed regulating unit 45 in the process is reduced, and the service life of the cooling liquid is prolonged.
Referring to fig. 6, the centrifugal speed regulating unit 45 includes a sliding cavity 451, a T-shaped brake tooth 452, a push rod 453, a trapezoid block 454, an extrusion spring 455 and a rotating bolt 456, wherein the sliding cavity 451 is uniformly formed on one side of the brake block 44 close to the protrusion 31 along the arc direction thereof, the T-shaped brake tooth 452 is slidably disposed in each sliding cavity 451, one end of the T-shaped brake tooth 452 is slidably engaged with the protrusion 31, the push rod 453 is fixedly connected to the other end of the T-shaped brake tooth 452, one end of the push rod 453 far away from the T-shaped brake tooth 452 is slidably contacted with the trapezoid block 454, the trapezoid block 454 is slidably disposed at the bottom of the sliding cavity 451, one end of the push rod 453 far away from the T-shaped brake tooth 452 and an inclined surface of the trapezoid block 454 are parallel to each other and slidably contacted, a strip-shaped sliding groove is formed between the trapezoid block 454 and the sliding cavity 451, a sliding ball is uniformly disposed on one side wall of the trapezoid block 454 far away from the push rod 453, and is slidably disposed in the strip-shaped sliding groove, sliding ball can reduce the friction between trapezoidal piece 454 and the sliding cavity 451 to be convenient for the position of artifical regulation T shape floodgate tooth 452, install extrusion spring 455 between trapezoidal piece 454 front side wall and the sliding cavity 451 inner wall, set up threaded hole on the sliding cavity 451 lateral wall of trapezoidal piece 454 rear side, threaded hole in-thread has rotation bolt 456, rotation bolt 456 and trapezoidal piece 454 rear side wall conflict each other.
During specific work, when the rotating speed of an external motor is increased, the rotating speed of the driving disc 5 is also increased, the centrifugal force applied to the brake block 44 is also increased continuously, the extrusion force between the T-shaped brake tooth 452 and the protrusion 31 is also increased continuously, so that the friction force generated between the T-shaped brake tooth 452 and the protrusion 31 is increased continuously, and further the T-shaped brake tooth 452 drives the drum wheel 3 to rotate, after the drum wheel is used for a period of time, one end, close to the protrusion 31, of the T-shaped brake tooth 452 is worn, at the moment, the rotating bolt 456 is rotated manually in a shutdown state, the rotating bolt 456 drives the trapezoidal block 454 to slide inwards in the rotating process, at the moment, the extrusion spring 455 is in a compression state, the trapezoidal block 454 slides inwards to extrude the ejector rod 453, so that the T-shaped brake tooth 452 is driven to move towards one side, close to the protrusion 31, and the worn T-shaped brake tooth 452 is attached to the surface of the protrusion 31 again, the problem that the friction force of the T-shaped brake gear 452 is weakened due to abrasion is solved, the slipping phenomenon of the T-shaped brake gear 452 and the drum wheel 3 is avoided, the service life of the T-shaped brake gear 452 is prolonged, and the centrifugal effect of the centrifugal speed regulation clutch is guaranteed.
Referring to fig. 7, the cooling unit 46 includes a first liquid chamber 461, a squeezing rod 462, a squeezing plate 463, a buffer spring 464, a communicating water pipe 465, a second liquid chamber 466 and a nozzle 467, wherein the first liquid chamber 461 is disposed inside the brake block 44 and close to the cross rod 42, the squeezing rod 462 is slidably disposed inside the first liquid chamber 461, one end of the squeezing rod 462 extends to the outside of the first liquid chamber 461 and is in sliding contact with the protrusion 31, the squeezing plate 463 is abutted to the other end of the squeezing rod 462, a rubber buffer layer is disposed on one end of the squeezing rod 462 close to the squeezing plate 463, the rubber buffer layer can reduce impact force of the squeezing rod 462 on the squeezing plate 463, so that the cooling liquid is uniformly sprayed out, the squeezing plate 463 is slidably disposed inside the first liquid chamber 461, the buffer spring 464 is fixedly disposed between the squeezing plate 463 and the bottom of the first liquid chamber 461, the second liquid chamber 466 is disposed inside the brake block 44 and far from the centrifugal unit 45, the first liquid cavity 461 and the second liquid cavity 466 are communicated with each other through a communicating water pipe 465, a nozzle 467 is arranged at the outlet of the second liquid cavity 466, and the nozzle 467 is right opposite to the bulge 31.
It should be noted that, in this embodiment, when the first liquid chamber 461 and the second liquid chamber 466 are located at the initial positions, the interiors of the first liquid chamber 461 and the second liquid chamber 466 are filled with cooling liquid, during specific operation, when the rotation speed of the external motor is increased, the rotation speed of the driving disk 5 is also increased, at this time, the centrifugal force applied to the brake block 44 is also increased, the pressing force between the pressing rod 462 and the protrusion 31 is also increased, the pressing rod 462 is driven by the increased pressing force to smash the pressing plate 463, at this time, the buffer spring 464 is compressed continuously, the cooling liquid in the first liquid chamber 461 and the second liquid chamber 466 is extruded by the pressing plate 463, and then the cooling liquid is sprayed to the surface of the protrusion 31 arranged on the inner side wall of the drum 3 through the nozzle 467, so as to perform the cooling function on the end of the T-shaped brake tooth 452 close to the protrusion 31 when the T-shaped brake tooth 452 passes through, thereby reducing the wear amount of the T-shaped brake tooth 452 caused by friction heat, the service life of the device is prolonged.
It is worth noting that the side wall of the driving disc 5 is symmetrically provided with heat dissipation ports, and the heat dissipation ports can quickly dissipate heat generated by the ends of the T-shaped brake teeth 452, so that the service life of the driving disc is prolonged; in addition, a cooling liquid injection port is formed in the side wall of the first liquid cavity 461, so that the cooling liquid can be conveniently added in time, and the centrifugal speed regulation clutch is more convenient to use.
The working principle of the invention when in use is as follows:
firstly, the method comprises the following steps: firstly, connecting a connecting shaft in the middle of the rear side wall of the driving disc 5 with an output shaft of an external motor, then connecting the front end of the driving shaft 11 with the existing working shaft, and driving the driving disc 5 to rotate through the external motor so as to drive the centrifugal speed regulating component 4 to rotate;
II, secondly: when the rotating speed of the output shaft of the external motor is lower, the driving disc 5 rotates lower, the outer edge of the centrifugal speed regulating unit 45 can be attached to the bulge 31 arranged on the inner side wall of the drum wheel 3 to rotate without driving the drum wheel 3 to rotate, and at the moment, the output shaft of the external motor and the working shaft connected with the driving shaft 11 are in a separated state;
thirdly, the method comprises the following steps: when the rotating speed of an external motor is high, the driving disc 5 rotates fast, the rotating speed of the centrifugal speed regulating part 4 is high, the centrifugal speed regulating part 4 can generate certain centrifugal force under the condition of high-speed rotation and enable the outer edge of the centrifugal speed regulating unit 45 to extrude the protrusion 31 arranged on the inner side wall of the drum 3, the drum 3 can be driven to rotate by the friction force between the brake block 44 and the protrusion 31, the arc-shaped connecting block 2 is driven to rotate by the drum 3, so that the driving ring 14 is driven to rotate, the central disc 12 and the reinforcing fan plate 13 are driven to rotate by the driving ring 14, and the purpose of driving the driving shaft 11 and a working shaft connected with the driving shaft 11 to rotate is further achieved;
fourthly, the method comprises the following steps: after the T-shaped brake tooth 452 is used for a period of time, one end of the T-shaped brake tooth 452 close to the protrusion 31 is worn, at the moment, the bolt 456 is rotated manually in a shutdown state, the bolt 456 is rotated to drive the trapezoidal block 454 to slide inwards in the rotating process, the extrusion spring 455 is in a compression state, the trapezoidal block 454 slides inwards to extrude the ejector rod 453, so that the T-shaped brake tooth 452 is driven to move towards one side close to the protrusion 31, and the worn T-shaped brake tooth 452 is attached to the surface of the protrusion 31 again;
fifthly: when the rotating speed of the external motor is changed from slow to fast, the rotating speed of the driving disc 5 is also changed from slow to fast, the centrifugal force applied to the brake block 44 is continuously increased, the extrusion force between the extrusion rod 462 and the protrusion 31 is continuously increased, the extrusion force continuously increased drives the extrusion rod 462 to smash the extrusion pressing plate 463, the buffer spring 464 is continuously compressed, the cooling liquid in the first liquid cavity 461 and the second liquid cavity 466 is extruded out through the extrusion plate 463, and then the cooling liquid is sprayed to the surface of the protrusion 31 arranged on the inner side wall of the drum wheel 3 through the nozzle 467, so that the temperature of one end, close to the protrusion 31, of the T-shaped brake tooth 452 is cooled when the T-shaped brake tooth 452 passes through, the abrasion amount of the end of the T-shaped brake tooth 452 due to friction heat can be reduced, and the service life of the T-shaped brake tooth 452 is prolonged.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a centrifugal speed governing clutch, includes driving part (1), arc connecting block (2), drum (3), centrifugal speed governing part (4) and drive plate (5), its characterized in that: the driving part (1) rear side wall is evenly fixed along its circumference outward and is provided with arc connecting block (2), arc connecting block (2) rear side wall fixed mounting has drum (3), driving part (1) rear end contact is connected with driving disc (5), be provided with centrifugal speed regulation part (4) before driving disc (5) on the lateral wall, centrifugal speed regulation part (4) outer edge and drum (3) inside wall slip laminating.
2. A centrifugal speed governing clutch according to claim 1, wherein: the driving part (1) comprises a driving shaft (11), a central disc (12), reinforcing fan plates (13) and a driving ring (14), wherein the central disc (12) is fixedly installed at the rear end of the driving shaft (11), the reinforcing fan plates (13) are uniformly and fixedly arranged on the outer side wall of the central disc (12) along the circumferential direction of the central disc, and one end, far away from the central disc (12), of each reinforcing fan plate (13) is fixedly connected with the driving ring (14).
3. A centrifugal speed governing clutch according to claim 1, wherein: the inner side wall of the drum wheel (3) is uniformly provided with bulges (31) along the circumferential direction.
4. A centrifugal speed governing clutch according to claim 3, wherein: the centrifugal speed regulating component (4) comprises a rotating wheel (41), a cross rod (42), an extension spring (43), a brake block (44), a centrifugal speed regulating unit (45) and a cooling unit (46), wherein the rotating wheel (41) is installed on the front side wall of the driving disc (5) in a central symmetry manner, the brake block (44) is attached to one side, close to the drum wheel (3), of the rotating wheel (41), the cross rod (42) is fixedly connected to the side wall of the brake block (44), one side, far away from the brake block (44), of the cross rod (42) is rotatably connected with the driving disc (5) through a pin shaft, the extension spring (43) is fixedly installed between the brake block (44) and the cross rod (42) which are positioned on the same side, the centrifugal speed regulating unit (45) is arranged inside the brake block (44), the centrifugal speed regulating unit (45) extends to the outer side of the brake block (44) and is slidably attached to a protrusion (31) arranged on the inner side wall of the drum wheel (3), the cooling unit (46) is further arranged inside the brake block (44), one end of the cooling unit (46) is in sliding fit with a protrusion (31) arranged on the inner side wall of the drum wheel (3), and the other end of the cooling unit (46) extends to the outside of the brake block (44) and is close to the protrusion (31).
5. A centrifugal speed governing clutch according to claim 4, wherein: one side of the brake block (44) close to the bulge (31) is of an arc structure.
6. A centrifugal speed governing clutch according to claim 5, wherein: the centrifugal speed regulating unit (45) comprises a sliding cavity (451), T-shaped brake teeth (452), ejector rods (453), trapezoidal blocks (454), an extrusion spring (455) and a rotating bolt (456), wherein the sliding cavity (451) is uniformly formed in one side, close to the protrusion (31), of the brake block (44) along the arc direction of the brake block, the T-shaped brake teeth (452) are arranged in each sliding cavity (451) in a sliding mode, one end of each T-shaped brake tooth (452) is in sliding fit with the protrusion (31), the ejector rod (453) is fixedly connected to the other end of each T-shaped brake tooth (452), one end, far away from the T-shaped brake teeth (452), of the ejector rod (453) is in sliding contact with the trapezoidal blocks (454), the trapezoidal blocks (454) are arranged at the bottoms of the sliding cavities (451) in a sliding mode, the extrusion spring (455) is installed between the front side walls of the trapezoidal blocks (454) and the inner walls of the sliding cavities (451), threaded holes are formed in the side walls of the sliding cavities (451) at the rear sides of the trapezoidal blocks (454), and the threaded holes are internally threaded with the rotating bolt (456), the rotating bolt (456) and the rear side wall of the trapezoidal block (454) are mutually butted.
7. A centrifugal speed governing clutch according to claim 6, wherein: one end of the ejector rod (453) far away from the T-shaped brake tooth (452) is parallel to and in sliding contact with the inclined surface of the trapezoidal block (454).
8. A centrifugal speed governing clutch according to claim 6, wherein: a strip-shaped sliding groove is formed between the trapezoid block (454) and the sliding cavity (451), a sliding ball is uniformly arranged on one side wall, away from the ejector rod (453), of the trapezoid block (454), and the sliding ball is arranged in the strip-shaped sliding groove in a sliding mode.
9. A centrifugal governing clutch according to claim 5 wherein: the cooling unit (46) comprises a first liquid cavity (461), an extrusion rod (462), an extrusion plate (463), a buffer spring (464), a communicating water pipe (465), a second liquid cavity (466) and a nozzle (467), wherein the position, close to the cross rod (42), inside the brake block (44) is provided with the first liquid cavity (461), the extrusion rod (462) is arranged in the first liquid cavity (461) in a sliding manner, one end of the extrusion rod (462) extends to the outer side of the first liquid cavity (461) and is in sliding contact with the bulge (31), the other end of the extrusion rod (462) is abutted with the extrusion plate (463), the extrusion plate (463) is arranged in the first liquid cavity (461) in a sliding manner, the buffer spring (464) is fixedly arranged between the bottom of the extrusion plate (463) and the bottom of the first liquid cavity (461), the position, far away from the centrifugal speed regulating unit (45), inside the brake block (44) is provided with the second liquid cavity (466), and the first liquid cavity (461) is communicated with the second liquid cavity (466) through the communicating water pipe (465), and a nozzle (467) is arranged at the outlet of the second liquid cavity (466), and the nozzle (467) is opposite to the bulge (31).
10. A centrifugal speed governing clutch according to claim 9, wherein: one end of the extrusion rod (462) close to the extrusion plate (463) is provided with a rubber buffer layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210898797.6A CN115059701B (en) | 2022-07-28 | 2022-07-28 | Centrifugal speed regulation clutch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210898797.6A CN115059701B (en) | 2022-07-28 | 2022-07-28 | Centrifugal speed regulation clutch |
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| CN115059701A true CN115059701A (en) | 2022-09-16 |
| CN115059701B CN115059701B (en) | 2024-02-09 |
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| CN202210898797.6A Active CN115059701B (en) | 2022-07-28 | 2022-07-28 | Centrifugal speed regulation clutch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116164086A (en) * | 2022-12-27 | 2023-05-26 | 泰安清源水务有限公司 | Ultra-high pressure double-layer synchronous running star-shaped roller |
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| CN103089850A (en) * | 2013-01-31 | 2013-05-08 | 杨勇 | Centrifugal pressure plate automatic clutch |
| CN203176222U (en) * | 2013-01-31 | 2013-09-04 | 杨勇 | Automatic centrifugal platen type clutch |
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|---|---|
| CN115059701B (en) | 2024-02-09 |
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