Clutch driven disc and clutch assembly

Abstract

The utility model provides a clutch driven disc and a clutch assembly, which are suitable for an automatic driving mine car, particularly suitable for a driven disc of a clutch of an extended-range engine, and comprise a driven disc body, a plurality of first windows, a plurality of second windows and a plurality of second windows, the driven disc hub is provided with a plurality of second windows in one-to-one correspondence with the first windows in the circumferential direction, and the first windows and the second windows are oppositely arranged; the shock absorber assembly comprises a plurality of shock absorber springs which are installed in the first windows and the second windows which are oppositely arranged in each set, one ends of the shock absorber springs are connected with the first side ends of the first windows, and the other ends of the shock absorber springs are connected with the second side ends, opposite to the first side ends, of the second windows. The damper spring is configured to transmit torque between the driven disc body and the driven disc hub; and the splined hub is arranged at the center of the driven disc hub. A splined hub with a larger size is installed by optimizing the opening position of the window, and the transmission torque is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clutches, in particular to a clutch driven disc and a clutch assembly applicable to a range-extended unmanned mining truck. Background Art

[0002] The range-extended mining truck combines the characteristics of pure electric and diesel vehicle models, and has the advantages of energy conservation and consumption reduction of electric vehicle models, as well as the advantage of rapid refueling of diesel vehicle models. While ensuring continuous operation, it can significantly reduce fuel consumption, save costs, and reduce carbon emissions, making it an ideal upgrade solution for users in heavy-load uphill scenarios.

[0003] Based on the application environment of the range-extended mining truck, most of its operating scenarios face extreme conditions such as complex, harsh, continuous mine pit climbing, and continuous large-horsepower output under heavy-load working conditions, and problems such as vehicle creep and power interruption during gear shifting are likely to occur. Therefore, the requirements for driving ability, driving efficiency, and power consistency are very high. Therefore, improving the overall output power has always been one of the goals in this field. For the clutch, the layout space is fixed, that is, it is an urgent technical problem to improve the upper limit of the torque transmitted by the clutch while keeping the outer diameter of the clutch driven disc fixed. Summary of the Utility Model

[0004] In view of this, the utility model provides a clutch driven disc and a clutch assembly, which can improve the upper limit of the transmitted torque while keeping the outer diameter fixed.

[0005] According to an inventive concept of one aspect of the utility model, a clutch driven disc is provided, including:

[0006] A driven disc body, which is provided with a plurality of first windows spaced apart in the circumferential direction;

[0007] A driven disc hub, which is provided with second windows corresponding to the plurality of first windows one by one in the circumferential direction, and the first windows and the second windows are arranged opposite to each other;

[0008] A shock absorber assembly, including:

[0009] A plurality of shock absorber springs, which are respectively installed in each group of relatively arranged first windows and second windows. Among them, one end of the shock absorber spring is connected to the first side end of the first window, and the other end of the shock absorber spring is connected to the second side end opposite to the first side end on the second window. The shock absorber spring is configured to transmit torque between the driven disc body and the driven disc hub;

[0010] A spline hub, which is arranged at the center of the driven disc hub.

[0011] According to some embodiments of the utility model, the clutch driven disc further includes:

[0012] A plurality of wave spring plates are installed at intervals in the circumferential direction on the outer edge of the driven disk body; and

[0013] A friction plate is connected to the plurality of wave spring plates.

[0014] According to some embodiments of the present invention, a plurality of grooves are formed at intervals in the radial direction on the friction plate.

[0015] According to some embodiments of the present invention, a counterbore is provided on the friction plate, and the friction plate is connected to the wave spring plate by rivets or countersunk head bolts.

[0016] According to some embodiments of the present invention, a dust cap is sleeved on the rivet or the countersunk head bolt.

[0017] According to some embodiments of the present invention, the clutch driven disk further includes:

[0018] A spring cover covers the shock absorber assembly, and the spring cover is connected to the driven disk hub.

[0019] According to some embodiments of the present invention, adjacent two of the wave spring plates are spaced apart.

[0020] According to some embodiments of the present invention, the spline hub is treated by nickel plating.

[0021] According to some embodiments of the present invention, the outer diameter of the friction plate is 430 mm, and the major diameter range of the spline hub is 50-60 mm.

[0022] According to the inventive concept of another aspect of the present invention, a clutch assembly is also disclosed, including the clutch driven disk as described above.

[0023] For the clutch driven disk and the clutch assembly according to the embodiments of the present invention, by directly forming the window and the second window on the driven disk body and the driven disk hub, and cooperating with only providing the shock absorber spring, a larger installation space can be reserved for the spline hub, thereby increasing the size of the major diameter of the spline sleeve and improving the transmitted torque. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a perspective view of a clutch driven disk according to an embodiment of the present invention; and

[0025] Figure 2 is an exploded view of a clutch driven disk according to an embodiment of the present invention.

[0026] In the above-mentioned drawings, the meanings of the reference numerals are specifically as follows:

[0027] 1 - Driven disk body;

[0028] 2 - Driven plate hub;

[0029] 3 - Shock absorber spring;

[0030] 4 - Spline hub;

[0031] 5 - Wave spring plate;

[0032] 6 - Friction plate;

[0033] 7 - Groove;

[0034] 8 - Counterbore;

[0035] 9 - Spring cover; and

[0036] 10 - Washer. Detailed implementation manners

[0037] To make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the following further elaborates on the present utility model in detail with reference to specific embodiments and the accompanying drawings.

[0038] However, it should be understood that these descriptions are merely exemplary and are not intended to limit the scope of the present utility model. In the following detailed description, for the purpose of explanation, many specific details are set forth to provide a comprehensive understanding of the embodiments of the present utility model. However, obviously, one or more embodiments can also be implemented without these specific details. In addition, in the following description, the description of well-known technologies is omitted to avoid unnecessarily confusing the concepts of the present utility model.

[0039] The terms used herein are merely for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "including" used herein indicates the presence of features, steps, operations, but does not exclude the presence or addition of one or more other features.

[0040] In the case of using expressions such as "at least one of A, B, and C, etc.", generally, it should be interpreted according to the meaning that those skilled in the art usually understand such expressions (for example, "a system having at least one of A, B, and C" should include, but not be limited to, a system having only A, only B, only C, having A and B, having A and C, having B and C, and / or having A, B, and C, etc.). In the case of using expressions such as "at least one of A, B, or C, etc.", generally, it should be interpreted according to the meaning that those skilled in the art usually understand such expressions (for example, "a system having at least one of A, B, or C" should include, but not be limited to, a system having only A, only B, only C, having A and B, having A and C, having B and C, and / or having A, B, and C, etc.).

[0041] All terms used herein (including technical and scientific terms) have the meanings commonly understood by those skilled in the art, unless otherwise defined. It should be noted that the terms used herein should be interpreted as having a meaning consistent with the context of this specification, and should not be interpreted in an idealized or overly rigid manner.

[0042] Figure 1 is a perspective view of a clutch driven plate according to an embodiment of the present utility model; and Figure 2 is an exploded view of the clutch driven plate according to an embodiment of the present utility model.

[0043] According to the inventive concept of one aspect of the present utility model, a clutch driven plate is provided, including a driven plate body 1, a driven plate hub 2 and a shock absorber assembly. The driven plate body 1 is provided with a plurality of first windows spaced apart in the circumferential direction. The driven plate hub 2 is provided with second windows corresponding to the plurality of first windows one by one in the circumferential direction, and the first windows and the second windows are arranged opposite to each other. The shock absorber assembly includes a plurality of shock absorber springs 3, and the plurality of shock absorber springs 3 are respectively installed in each group of relatively arranged first windows and second windows. Wherein, one end of the shock absorber spring 3 is connected to the first side end of the first window, the other end of the shock absorber spring 3 is connected to the second side end opposite to the first side end on the second window, and the shock absorber spring 3 is configured to transmit torque between the driven plate body 1 and the driven plate hub 2. A spline hub 4 is provided at the center of the driven plate hub 2.

[0044] In this embodiment, by directly providing the windows and the second windows on the driven plate body and the driven plate hub, and cooperating with the shock absorber springs provided on the outer extension of the spline hub, a larger-sized spline hub can be installed, thereby increasing the size of the major diameter of the spline sleeve and improving the transmitted torque.

[0045] According to some embodiments of the present utility model, the driven plate body 1 and the driven plate hub 2 are coaxially arranged.

[0046] According to some embodiments of the present utility model, the driven plate body 1 is provided with a plurality of first windows spaced apart in the circumferential direction. Specifically, the plurality of first windows are uniformly arranged in a ring on the driven plate body 1.

[0047] According to some alternative embodiments of the present utility model, the first window is a strip-shaped waist hole, and the line connecting the geometric center of the first window and the center of the driven plate body 1 is perpendicular to the axis of the first window. Optionally, the first window is a rectangular hole or a rounded rectangular hole.

[0048] According to some alternative embodiments of the present utility model, the number of the first windows is 2, 3, 4, 5, 6 or other numbers.

[0049] According to some embodiments of the present utility model, the second window is a strip-shaped waist hole, and the line connecting the geometric center of the second window and the center of the driven disk hub 2 is perpendicular to the axis of the second window. Optionally, the second window is a rectangular hole or a rounded rectangular hole.

[0050] According to some alternative embodiments of the present utility model, the driven disk hub 2 includes a spline hub 4 provided in the middle region and an extension portion vertically extending outward from the outer side surface of the spline hub 4. The inner side wall of the spline hub 4 is evenly provided with keys or teeth.

[0051] According to some alternative embodiments of the present utility model, the inner side wall of the spline hub 4 is provided with an internal gear adapted to the external gear on the transmission shaft.

[0052] According to some alternative embodiments of the present utility model, the second window is opened on the outer ring of the extension portion. For example, the distance between the side edge of the second window and the outer edge of the extension portion ranges from 10 mm to 30 mm, so as to increase the maximum allowable installation size of the spline hub 4, and increase the upper limit of the torque transmission of the driven disk by setting a larger-sized spline sleeve.

[0053] According to some alternative embodiments of the present utility model, the spline hub 4 and the extension portion are an integral part. For example, the extension portion is made by cutting or extrusion processing. In this embodiment, the second window is opened on the extension portion. Among them, the number, size, and position of the second windows on the extension portion correspond to the first windows on the driven disk body 1.

[0054] According to some alternative embodiments of the present utility model, a plurality of second windows are arranged at equal intervals around the center of the driven disk hub 2.

[0055] According to some alternative embodiments of the present utility model, the driven disk hub 2 further includes an extended portion in a ring structure. Among them, the extended portion is connected to the extension portion by bolts or rivets, and the second window is opened on the extended portion. Optionally, the extended portion in the ring structure is a flange.

[0056] According to some embodiments of the present utility model, the clutch driven disk further includes a plurality of wave spring plates 5 and friction plates 6. The plurality of wave spring plates 5 are installed at intervals in the circumferential direction on the outer edge of the driven disk body 1. The friction plate 6 is connected to the plurality of wave spring plates 5. Optionally, the number of the friction plates 6 is two, and the two friction plates 6 are respectively clamped on both sides of the wave spring plate 5.

[0057] In this embodiment, through rivet fixation, the two friction plates 6 are fixed to the outer circumference of the driven disk body 1 through the plurality of wave spring plates 5. Through this fixation method, the vibration damping effect of the clutch driven disk can be further improved.

[0058] According to some optional embodiments of the present invention, there is a certain interval between two adjacent wave spring sheets 5, so that a plurality of ventilation channels are formed between the two friction sheets 6 to improve the heat dissipation capacity of the friction sheets.

[0059] According to some embodiments of the present utility model, a plurality of grooves 7 are provided on the friction plate 6 at intervals in the radial direction, so as to further improve the heat dissipation capacity of the heat sink.

[0060] In this embodiment, when the clutch driven disc is working, the friction plate 6 contacts the flywheel and rotates with the flywheel, and the ventilation channels and grooves 7 between the wave spring plates 5 can utilize the flowing airflow to reduce the temperature of the friction plate 6 and the wave spring plate 5.

[0061] According to some embodiments of the present invention, a countersunk hole 8 is provided on the friction plate 6, and the friction plate 6 is connected to the wave spring plate 5 by rivets or countersunk bolts.

[0062] According to some embodiments of the utility model, the inner wall of the countersunk hole 8 is a tapered hole, so that during the installation of the rivet, the inner plate of the countersunk hole 8 plays a certain buffering role, thereby reducing the possibility of invisible cracks in the friction plate 6 and increasing the service life of the clutch driven plate.

[0063] According to some embodiments of the present invention, a dust cap is sleeved on the rivet or countersunk bolt, wherein the shape of the dust cap is adapted to the countersunk hole 8, and when the dust cap is installed on the rivet or countersunk bolt, the top height of the dust cap is lower than the top edge height of the countersunk hole 8. Optionally, the dust cap is made of natural rubber, artificial rubber, polymer material, etc.

[0064] According to some optional embodiments of the utility model, the rivet includes a rivet cap, a rivet rod and a rivet head, the rivet head is a flip rivet structure, the rivet head penetrates the friction plate and the wave spring plate and then contacts the wave spring plate, and the rivet cap contacts the friction plate, so that the rivet head and the rivet cap have large attachment surfaces to the wave spring plate and the friction plate, respectively, the riveting is firm, the force is uniform and soft, and the connection strength is large, thereby improving the service life of the clutch driven plate. Further optionally, the rivet is a hollow rivet.

[0065] According to some embodiments of the present utility model, the clutch driven disc further includes a spring cover 9 , which is disposed on the shock absorber assembly and connected to the driven disc hub 2 .

[0066] According to some optional embodiments of the present invention, a gasket 10 is provided between the driven disc body 1 and the driven disc hub 2 and / or between the driven disc hub 2 and the spring cover 9. Optionally, the gasket 10 is made of an elastic material, such as natural rubber, artificial rubber, etc.

[0067] According to some alternative embodiments of the present utility model, in the circumferential direction, the length of the first window is equal to the length of the second window, and is equal to the length of the shock absorber spring 3 in its natural state.

[0068] According to some alternative embodiments of the present utility model, spring seats are further provided at both ends of the shock absorber spring 3, and the end of the shock absorber spring 3 is connected to the first window or the second window through the spring seat.

[0069] According to some alternative embodiments of the present utility model, the compression amount of the shock absorber spring is 0 mm to 20 mm.

[0070] According to some embodiments of the present utility model, the spline hub 4 is treated by nickel plating.

[0071] According to some embodiments of the present utility model, the outer diameter of the friction plate 6 is 430 mm, and the major diameter range of the spline hub is 50 - 60 mm.

[0072] According to the inventive concept of another aspect of the present utility model, a clutch assembly is further disclosed, including the clutch driven disc as described above.

[0073] So far, the embodiments of the present utility model have been described in detail with reference to the drawings. It should be noted that in the drawings or the text of the specification, the implementation manners that are not illustrated or described are all forms known to those of ordinary skill in the art, and no detailed description is given. In addition, the above definitions of each component are not limited to the specific structures, shapes or manners mentioned in the embodiments, and those of ordinary skill in the art can make simple changes or replacements thereto.

[0074] It should also be noted that in the specific embodiments of the present utility model, unless otherwise known to the contrary, the numerical parameters in this specification and the appended claims are approximate values, which can be changed according to the required characteristics obtained through the content of the present utility model. Specifically, all the numbers representing the dimensions, range conditions, etc. of the components used in the specification and the claims should be understood to be modified by the term "about" in all cases. Generally, the meaning expressed is that it includes changes of ±10% in some embodiments, ±5% in some embodiments, ±1% in some embodiments, and ±0.5% in some embodiments for a specific quantity.

[0075] Those skilled in the art can understand that the features recited in the various embodiments and / or claims of the present utility model can be combined or / and combined in various ways, even if such combinations or combinations are not explicitly recited in the present utility model. In particular, without departing from the spirit and teachings of the present utility model, the features recited in the various embodiments and / or claims of the present utility model can be combined and / or combined in various ways. All such combinations and / or combinations fall within the scope of the present utility model.

[0076] The specific embodiments described above further elaborate on the purpose, technical solutions, and beneficial effects of the present utility model. It should be understood that the above are only specific embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A clutch driven disc, characterized in that: include: A driven disc body (1) is provided with a plurality of first windows spaced apart in a circumferential direction; A driven disk hub (2) is provided with second windows corresponding to the plurality of first windows in a one-to-one manner in a circumferential direction, the first windows being arranged opposite to the second windows; Shock absorber assembly, comprising: A plurality of shock absorber springs (3) are respectively installed in each group of the first window and the second window arranged opposite to each other, wherein one end of the shock absorber spring (3) is connected to a first side end of the first window, and the other end of the shock absorber spring (3) is connected to a second side end of the second window opposite to the first side end, and the shock absorber spring (3) is configured to transmit torque between the driven disc body (1) and the driven disc hub (2); A spline hub (4) arranged at the center of the driven disc hub (2); A plurality of wave spring sheets (5) are installed at intervals in the circumferential direction on the outer edge of the driven disc body (1), and two adjacent wave spring sheets (5) are isolated from each other to form a ventilation channel; A friction plate (6), wherein a countersunk hole (8) is provided on the friction plate (6), and the inner side wall of the countersunk hole (8) is a tapered hole, so that the friction plate (6) and the wave spring plate (5) are connected by rivets or countersunk bolts.

2. The clutch driven plate according to claim 1, characterized in that: The friction plate (6) is provided with a plurality of grooves (7) spaced apart in the radial direction.

3. The clutch driven plate according to claim 1, characterized in that: A dust cap is sleeved on the rivet or the countersunk bolt.

4. The clutch driven plate according to claim 1, characterized in that: Also includes: A spring cover (9) is arranged on the shock absorber assembly, and the spring cover (9) is connected to the driven disc hub (2).

5. The clutch driven plate according to claim 1, characterized in that: The spline hub (4) is nickel-plated.

6. The clutch driven plate according to claim 1, characterized in that: The outer diameter of the friction plate (6) is 430 mm, and the major diameter of the spline hub is in the range of 50 to 60 mm.

7. A clutch assembly, characterized in that: Comprising a clutch driven plate as claimed in any one of claims 1 to 6.

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