CN111878519A

CN111878519A - Mechanical clutch operation mechanism

Info

Publication number: CN111878519A
Application number: CN202011036255.5A
Authority: CN
Inventors: 杜鹏
Original assignee: Shandong Liantuo Tools Co ltd
Current assignee: Shandong Liantuo Tools Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2020-11-03
Anticipated expiration: 2040-09-28
Also published as: CN111878519B

Abstract

The invention discloses a mechanical clutch operation mechanism, which relates to the technical field of clutches and comprises a driving shaft, a flywheel, an input shaft, a driven plate, two friction disks, a pressure plate, a spring, a release bearing, a release fork and a clutch cover, wherein the two friction disks, the pressure plate, the spring, the release bearing, the release fork and the clutch cover are respectively arranged on two sides of the driven plate, a first adjusting mechanism is arranged between the pressure plate and the clutch cover and comprises a control component and a plurality of first adjusting components, a heated adjusting mechanism is arranged between the driven plate and the first adjusting mechanism and comprises a heated component and a plurality of heated adjusting components, all the heated adjusting components are matched with the heated component, and the heated adjusting components are matched with the first adjusting components one by one. The clutch can prevent the performance of the clutch from being reduced due to abrasion caused by long-time work, and can avoid the situations that the power transmission performance is reduced due to continuous friction between the driven disc and the flying disc and continuous abrasion is caused.

Description

Mechanical clutch operation mechanism

Technical Field

The invention relates to the technical field of clutches, in particular to a mechanical clutch operation mechanism.

Background

Clutches are common components in mechanical transmissions, and allow the transmission to be disengaged or engaged at any time. The basic requirements for it are: the joint is stable, and the separation is rapid and thorough; the adjustment and the repair are convenient; the overall size is small; the mass is small; the wear resistance is good and the heat dissipation capacity is enough; the operation is convenient and labor-saving, and the common use is divided into a jaw type and a friction type.

Chinese patent No. CN109882524B discloses an oil film clutch, for example, including: the transmission system comprises a driving shaft, a supporting disc, a driving friction plate, a driven drum, a driven disc and a driven shaft; the control system is positioned in the transmission system and comprises a piston, an elastic element and a positioning disc; and the speed regulating system is arranged on the driven shaft and is positioned in the spring displacement cavity, and comprises an oil tank, a first directional valve, a second directional valve, a first oil duct hose, a second oil duct hose, a third oil duct hose, a signal amplifier, a pressure sensor and a control circuit. The speed regulating system provided by the embodiment of the invention can reduce the speed fluctuation problem of the oil film clutch under the control oil pressure lower than 0.5MPa through automatic oil discharge and oil supplement, and improves the stability and accuracy of the output rotating speed of the oil film clutch.

However, the clutch described above has the following disadvantages in actual use. Firstly, the clutch often rubs between the driving friction plate and the driven friction plate in the actual use process, so certain friction can occur after long-time use, the moving distance and the pressure between the driving friction plate and the driven friction plate are changed, and the performance of the clutch is greatly influenced. Secondly, excessive friction between the driving friction plate and the driven friction plate is easy to occur when the clutch is not operated properly in the using process, so that power transmission between each device is influenced, the driving friction plate and the driven friction plate are seriously rubbed, and the performance and the service life of the clutch are reduced.

Disclosure of Invention

The invention aims to provide a mechanical clutch operation mechanism to solve the technical problem that performance is reduced due to changes of part spacing and pressure after a clutch is rubbed in the prior art.

The invention provides a mechanical clutch operation mechanism, which comprises a driving shaft, a flywheel, an input shaft, a driven plate, two friction plates, a pressure plate, a spring, a release bearing, a release fork and a clutch cover, wherein the two friction plates are respectively arranged at two sides of the driven plate, a first adjusting mechanism for connecting the pressure plate and the clutch cover is arranged between the pressure plate and the clutch cover, the first adjusting mechanism comprises a control component and a plurality of first adjusting components, the plurality of first adjusting components are circumferentially distributed around the axis of the input shaft, all the first adjusting components are matched with the control component, a heated adjusting mechanism is arranged between the driven plate and the first adjusting mechanism, the first adjusting mechanism is matched with the heated adjusting mechanism, the heated adjusting mechanism comprises a heated component and a plurality of heated adjusting components, the heated component is arranged on the driven plate, all the heated adjusting components are matched with the heated component, the first adjusting components are correspondingly matched with the plurality of heated adjusting components one by one.

Further, every first adjusting part all includes adjusts pole, adjusting piston and control shell, the one end of control shell and clutch case fixed connection just are equipped with in the control shell and adjust the chamber, the one end and the pressure disk fixed connection of adjusting the pole, the other end of adjusting the pole is pegged graft to adjusting the intracavity, adjusting piston and adjusting the one end fixed connection that the pole is located the regulation intracavity and adjusting piston and control shell sliding fit.

Further, the control assembly includes control tank and control ring, the control tank sets up the outside at the clutch case, one side of control ring is equipped with the ring channel, be linked together through mechanical seal intercommunication and control tank and ring channel between control ring and the clutch case, the opposite side of control ring is equipped with the control connector with the ring channel intercommunication, every all be equipped with the connecting hole that is used for communicateing between regulation shell and the control tank.

Further, the subassembly of being heated includes a plurality of heated chamber and a plurality of extension pipe, a plurality of heated chamber is the circumference and distributes in the driven plate and every heated intracavity all fills there is temperature sensing liquid, and a plurality of extension pipe and a plurality of heated chamber one-to-one and every the one end of extension pipe all communicates with the chamber of being heated that corresponds, all be equipped with the through-hole that supplies it to run through the pressure disk to every extension pipe on the pressure disk, a plurality of extension pipe, a plurality of are heated adjusting part and a plurality of adjusting shell one-to-one, and the extension pipe that corresponds all is heated adjusting part intercommunication through the correspondence between the adjusting shell.

Further, every be heated adjustment mechanism includes first piston and connecting pipe, first piston is located the extension pipe that corresponds and first piston and extension pipe sliding fit, the one end and the extension pipe intercommunication of connecting pipe, the other end and the regulation chamber intercommunication of connecting pipe, the junction of connecting pipe and regulation chamber is located between adjusting piston and the clutch lid.

Further, the connecting pipe is made of a hose.

Further, both ends of each of the extension pipes are provided with a restricting portion for restricting a position of the first piston.

Compared with the prior art, the invention has the beneficial effects that:

(1) when the clutch works, after the flying disc, the friction plate and the pressure plate are abraded and have changed intervals, when the flying disc, the friction plate and the pressure plate are attached to each other for power transmission, the pressure of the spring on the flying disc, the friction plate and the pressure plate is reduced, at the moment, all the first adjusting mechanisms are controlled to work through the control assembly and work simultaneously with the spring, the pressure on the pressure plate is increased, and therefore the pressure among the flying disc, the friction plate and the pressure plate is ensured, the performance of the clutch is ensured, and the situation that the performance of the clutch is reduced due to abrasion caused by long-time work is avoided.

(2) If the improper speed control that the clutch is pressed close to the frisbee to the driven plate can cause continuous wearing and tearing to appear between friction disk and the frisbee in the use, the speed of referring to manual fender car loose separation and reunion is too fast to cause flameout's the condition to take place, at this moment, because the friction heat production between friction disk and the frisbee, respond to the frictional heat through the subassembly that is heated, all regulation subassembly work increase pressure disks that are heated of controlling again are to the frictional force between driven plate and the frisbee, and then make the work of laminating of three, avoid appearing the driven plate and frisbee continuous friction reduction power transmission performance and cause the condition of continuous wearing and tearing to take place.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a first cross-sectional view of the present invention;

FIG. 2 is a second cross-sectional view of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

fig. 5 is an enlarged view at C in fig. 2.

Reference numerals:

the clutch device comprises a driving shaft 11, a flywheel 12, an input shaft 13, a driven plate 14, a friction plate 15, a pressure plate 16, a spring 17, a release bearing 18, a release fork 19, a clutch cover 110, a first adjusting mechanism 2, a control assembly 21, a control groove 211, a control ring 212, a connecting head 213, a connecting hole 214, a first adjusting assembly 22, an adjusting rod 221, an adjusting piston 222, an adjusting shell 223, an adjusting cavity 224, a heated adjusting mechanism 3, a heated assembly 31, a heated cavity 311, an extending pipe 312, a through hole 313, a heated adjusting assembly 32, a first piston 321, a connecting pipe 322 and a limiting part 4.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, an embodiment of the present invention provides a mechanical clutch operation mechanism, including a driving shaft 11, a flywheel 12, an input shaft 13, a driven plate 14, two friction disks 15 respectively mounted on two sides of the driven plate 14, a pressure plate 16, a spring 17, a release bearing 18, a release fork 19, and a clutch cover 110, wherein a first adjustment mechanism 2 for connecting the pressure plate 16 and the clutch cover 110 is disposed between the pressure plate 16 and the clutch cover 110, the first adjustment mechanism 2 includes a control component 21 and a plurality of first adjustment components 22, the plurality of first adjustment components 22 are circumferentially distributed around an axis of the input shaft 13, all the first adjustment components 22 are matched with the control component 21, a heated adjustment mechanism 3 is disposed between the driven plate 14 and the first adjustment mechanism 2, the first adjustment mechanism 2 is matched with the heated adjustment mechanism 3, the heated adjustment mechanism 3 includes a heated component 31 and a plurality of heated adjustment components 32, the heated components 31 are mounted on the driven plate 14, all the heated adjusting components 32 are matched with the heated components 31, and the plurality of heated adjusting components 32 are matched with the plurality of first adjusting components 22 in a one-to-one correspondence manner; when the clutch works, after the flying disc, the friction plate and the pressure plate 16 are abraded and have interval change, when the flying disc, the friction plate and the pressure plate 16 are jointed to carry out power transmission, the pressure of the spring 17 on the flying disc, the friction plate and the pressure plate 16 is reduced, at the moment, all the first adjusting mechanisms 2 are controlled to work through the control assembly 21 and work together with the spring 17, and the pressure on the pressure plate 16 is increased, so that the pressure among the flying disc, the friction plate and the pressure plate 16 is ensured, the performance of the clutch is ensured, and the condition that the performance of the clutch is reduced due to abrasion caused by long-time work is prevented; in addition, if improper speed control that the clutch is close to the frisbee to driven plate 14 in the use can cause continuous wearing and tearing to appear between friction disk 15 and the frisbee, refer to the manual speed car speed of loosing the separation and reunion and lead to the fact the condition of putting out fire to take place at the excessive speed, at this moment, because the friction between friction disk 15 and the frisbee produces heat, respond to frictional heat through heated subassembly 31, all heated adjusting part 32 work increase pressure disks 16 of controlling again are to the frictional force between driven plate 14 and the frisbee, and then make the laminating work of three, avoid appearing driven plate 14 and frisbee continuous friction and reduce power transmission performance and cause the condition of continuous wearing and tearing to take place.

Specifically, each of the first adjusting assemblies 22 includes an adjusting rod 221, an adjusting piston 222 and an adjusting shell 223, one end of the adjusting shell 223 is fixedly connected to the clutch cover 110, an adjusting cavity 224 is formed in the adjusting shell 223, one end of the adjusting rod 221 is fixedly connected to the pressure plate 16, the other end of the adjusting rod 221 is inserted into the adjusting cavity 224, and the adjusting piston 222 is fixedly connected to one end of the adjusting rod 221 located in the adjusting cavity 224, and the adjusting piston 222 is in sliding fit with the adjusting shell 223.

Specifically, the control assembly 21 includes a control groove 211 and a control ring 212, the control groove 211 is disposed outside the clutch cover 110, one side of the control ring 212 is provided with an annular groove, the control ring 212 is communicated with the clutch cover 110 through a mechanical seal, the control groove 211 is communicated with the annular groove, the other side of the control ring 212 is provided with a control connector 213 communicated with the annular groove, and a connection hole 214 for communicating the control groove 211 with the control ring 223 is disposed between the control ring and the control ring.

In conclusion, during specific work, the hydraulic pressure in the control groove 211 is controlled through the connector 213, the position of the adjusting piston 222 in the adjusting shell 223 is controlled through hydraulic pressure, and further the distance between the pressure plate 16 and the clutch cover 110 is controlled, the pressure between the pressure plate 16 and the driven plate 14 can be increased during work, the pressure between a flying disc, a friction plate and the pressure plate 16 is ensured, the performance of the clutch is ensured, and the condition that the performance of the clutch is reduced due to abrasion caused by long-time work is prevented.

Specifically, heated subassembly 31 includes that a plurality of is heated chamber 311 and a plurality of extension pipe 312, a plurality of heated chamber 311 is the circumference and distributes in driven plate 14 and every is heated all to be filled with temperature sensing liquid in the chamber 311, and temperature sensing liquid is prior art, all used temperature sensing liquid in the temperature-sensing valve among the prior art, not giving details to it here, a plurality of extension pipe 312 and a plurality of are heated chamber 311 one-to-one and every the one end of extension pipe 312 all communicates with the chamber 311 that is heated that corresponds, on the pressure disk 16 all be equipped with the through-hole 313 that supplies it to run through pressure disk 16 to every extension pipe 312, a plurality of are heated regulating assembly 32 and a plurality of regulating shell 223 one-to-one, all are heated regulating assembly 32 through corresponding between extension pipe 312 and the regulating shell 223 and communicate.

Specifically, each of the heated adjusting mechanisms 3 includes a first piston 321 and a connecting pipe 322, the first piston 321 is located in the corresponding extension pipe 312, the first piston 321 is in sliding fit with the extension pipe 312, one end of the connecting pipe 322 is communicated with the extension pipe 312, the other end of the connecting pipe 322 is communicated with the adjusting cavity 224, and the connection between the connecting pipe 322 and the adjusting cavity 224 is located between the adjusting piston 222 and the clutch cover 110.

It can be known from the above two sections that, during specific work, when the flying disc continuously rubs with driven disc 14, driven disc 14 rubs and generates heat, and the temperature sensing liquid is heated and expands, and then pushes first piston 321 to move, increases the hydraulic pressure in adjusting shell 223, and then controls adjusting piston 222 to readjust the position in shell 223, controls the distance between pressure plate 16 and clutch cover 110, and also can increase the pressure between pressure plate 16 and driven disc 14 during work, and guarantee the pressure between flying disc, friction plate and pressure plate 16, thereby ensuring the performance of the clutch, preventing the clutch from wearing and tearing because of long-time work and causing the condition that the performance reduces and taking place, also avoided the continuous friction between flying disc and driven disc 14 and cause the serious condition of equipment wearing and tearing to take place.

Specifically, the connection pipe 322 is made of a hose, and since the distance between the driven plate 14 and the clutch cover 110 is varied during operation, the hose does not affect the operation of the present invention.

Specifically, both ends of each of the extension pipes 312 are provided with a restriction portion 4 for restricting the position of the first piston 321, and the restriction portions 4 are provided to prevent the first piston 321 from sliding off the extension pipe 312.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a mechanical type separation and reunion operation mechanism, includes driving shaft (11), flywheel (12), input shaft (13), driven plate (14), two friction disk (15), pressure disk (16), spring (17), release bearing (18), release fork (19) and clutch case (110) of installing respectively in driven plate (14) both sides, its characterized in that: be equipped with between pressure disk (16) and clutch case (110) and be used for connecting first adjustment mechanism (2) between them, first adjustment mechanism (2) include control assembly (21) and a plurality of first adjustment assembly (22), a plurality of first adjustment assembly (22) are the circumference around the axis of input shaft (13) and distribute and all first adjustment assembly (22) all cooperate with control assembly (21), be equipped with between driven plate (14) and first adjustment mechanism (2) and be heated adjustment mechanism (3), first adjustment mechanism (2) cooperate with being heated adjustment mechanism (3), be heated adjustment mechanism (3) including being heated subassembly (31) and a plurality of be heated adjustment assembly (32), be heated subassembly (31) and install on driven plate (14), all be heated adjustment assembly (32) and all be heated assembly (31) and cooperate, the plurality of heated adjusting components (32) are correspondingly matched with the plurality of first adjusting components (22) one by one.

2. The mechanical clutch operating mechanism according to claim 1, characterized in that: every first adjusting part (22) all includes regulation pole (221), adjusting piston (222) and adjusts shell (223), the one end and clutch case (110) fixed connection of adjusting shell (223) are equipped with in adjusting shell (223) and adjust chamber (224), the one end and pressure disk (16) fixed connection of adjusting pole (221), the other end plug-in of adjusting pole (221) connects to in adjusting chamber (224), adjusting piston (222) and adjusting pole (221) are located the one end fixed connection in adjusting chamber (224) and adjust piston (222) and adjust shell (223) sliding fit.

3. The mechanical clutch operating mechanism according to claim 2, characterized in that: control assembly (21) includes control tank (211) and control ring (212), control tank (211) set up the outside at clutch cover (110), one side of control ring (212) is equipped with the annular groove, communicate through mechanical seal and control tank (211) and annular groove between control ring (212) and clutch cover (110) are linked together, the opposite side of control ring (212) is equipped with control connector (213) with the annular groove intercommunication, every all be equipped with between regulation shell (223) and control groove (211) and be used for communicateing connecting hole (214) between them.

4. The mechanical clutch operating mechanism according to claim 2, characterized in that: heated assembly (31) include that a plurality of receives hot chamber (311) and a plurality of extension pipe (312), a plurality of receive hot chamber (311) to be the circumference and distribute in driven plate (14) and every receives hot chamber (311) in all to be filled with temperature sensing liquid, a plurality of extension pipe (312) and a plurality of receive hot chamber (311) one-to-one and every the one end of extension pipe (312) all communicates with the chamber (311) that is heated that corresponds, press disk (16) are gone up and all are equipped with through-hole (313) that supply it to run through press disk (16) to every extension pipe (312), and a plurality of extension pipe (312), a plurality of are heated and are adjusted subassembly (32) and a plurality of and adjust shell (223) one-to-one, and all are heated through corresponding between extension pipe (312) and the regulation shell (223) and are adjusted subassembly (32) and communicate.

5. The mechanical clutching operating mechanism of claim 4, wherein: each heated adjusting mechanism (3) comprises a first piston (321) and a connecting pipe (322), the first piston (321) is located in the corresponding extension pipe (312), the first piston (321) is in sliding fit with the extension pipe (312), one end of the connecting pipe (322) is communicated with the extension pipe (312), the other end of the connecting pipe (322) is communicated with the adjusting cavity (224), and the joint of the connecting pipe (322) and the adjusting cavity (224) is located between the adjusting piston (222) and the clutch cover (110).

6. The mechanical clutching operating mechanism of claim 5, wherein: the connecting pipe (322) is made of a hose.

7. The mechanical clutching operating mechanism of claim 4, wherein: both ends of each of the extension pipes (312) are provided with a restricting portion (4) for restricting the position of the first piston (321).