Clutch device for road roller

Abstract

The utility model relates to a clutch device for a road roller, which comprises a mounting bracket, a transmission shaft which is rotatably mounted on the mounting bracket, and a power input component which is in transmission connection with an engine and a power output component which is in transmission connection with a vibration excitation device which are arranged on the transmission shaft, the power output assembly is provided with an installation groove used for assembling the transmission belt, the power output assembly is connected with the adjusting assembly, and the adjusting assembly adjusts the groove width of the installation groove to achieve connection / disconnection of transmission between the power output assembly and the transmission belt. According to the technical scheme, the assembly requirement of the multi-excitation-shaft road roller can be met, disconnection and connection of transmission can be reliably achieved, and adjustment is convenient and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of road roller, concretely relates to a clutch device for road roller. BACKGROUND

[0002] The clutch device is directly arranged on the vibration excitation box of the vibration excitation device in the traditional clutch device. For the new road roller, a plurality of vibration shafts are arranged in the vibration excitation box, so that the structure of the vibration excitation box is changed, the installation space of the clutch device is changed, and the traditional clutch device cannot be normally used and installed. Therefore, a clutch device with a new structure needs to be arranged to adapt to the installation. SUMMARY

[0003] The utility model discloses a clutch device for road roller, which can effectively solve the above problems and is suitable for the assembly requirement of the multi-vibration shaft road roller.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following scheme for implementation.

[0005] A clutch device for road roller, characterized in that it comprises a mounting bracket, a transmission shaft rotatably arranged on the mounting bracket, a power input assembly for transmission connection with an engine and a power output assembly for transmission connection with a vibration excitation device arranged on the transmission shaft, an installation slot for assembling a transmission belt arranged on the power output assembly, and an adjusting assembly connected with the power output assembly for adjusting the slot width of the installation slot to realize the connection / disconnection of the transmission between the power output assembly and the transmission belt.

[0006] In detail, the power output assembly comprises a first pulley body and a second pulley body, the first pulley body and the second pulley body are enclosed to form the installation slot, the first pulley body and / or the second pulley body are adjustably assembled along the length direction of the transmission shaft, and the adjusting assembly is used for adjusting the position of the first pulley body and / or the second pulley body.

[0007] The power input assembly and the power output assembly are respectively installed at both ends of the transmission shaft.

[0008] The first pulley body is fixedly assembled, the second pulley body is adjustably assembled along the length direction of the transmission shaft, and the adjusting assembly adjusts the position of the second pulley body.

[0009] The first belt wheel body is located outside the second belt wheel body, a first annular part is arranged on the first belt wheel body, the outer surface of the first annular part constitutes a groove bottom of the mounting groove, a first groove wall part constituting a groove wall of the mounting groove is arranged on the side of the first annular part, a second annular part is arranged on the second belt wheel body, the second annular part is sleeved on the first annular part, a second groove wall part constituting another groove wall of the mounting groove is further arranged on the second annular part, and the first groove wall part and the second groove wall part are correspondingly arranged.

[0010] The adjusting assembly comprises an adjusting spring and an adjusting part, the adjusting spring is used for driving the second belt wheel body to move towards the side close to the first belt wheel body, and the adjusting part is used for adjusting the second belt wheel body to move towards the side away from the first belt wheel body.

[0011] The adjusting part is in Y shape and comprises a U-shaped connecting part and a vertical operation connecting part arranged on the lower side of the U-shaped connecting part, a transition connecting part is arranged on the second belt wheel body, the transition connecting part is rotationally assembled with the second belt wheel body, two trunnions are arranged on the transition connecting part, the two trunnions are concentrically arranged, the trunnions are vertically arranged with the transmission shaft, a long strip-shaped assembly hole for assembling with the trunnions is arranged on the middle part of the U-shaped connecting part, a shaft body is fixedly arranged on the mouth part of the U-shaped connecting part, the shaft body is rotationally arranged in a sleeve, the shaft body is arranged in parallel with the trunnions, and the sleeve is fixedly assembled.

[0012] The second belt wheel body and the transmission shaft are assembled in the mode of a key and a key groove.

[0013] The mounting support comprises a mounting foot and a mounting pipe arranged on the upper side of the mounting foot, the middle part of the transmission shaft is rotationally arranged in the mounting pipe, a mounting plate for fixedly arranging the sleeve is arranged on the mounting pipe, the sleeve is fixedly arranged on the mounting plate, and the operation connecting part is connected with the operation handle through a flexible shaft pull line.

[0014] The mounting support is used for assembling with a rack, and the power input assembly is constituted by a belt pulley.

[0015] The above technical solution of the utility model can adapt to the assembly requirements of the multiple excitation vibration axle road roller, and reliably realize the disconnection and connection of transmission, and is convenient and reliable to adjust. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model.

[0017] Figure 2 It is an assembly schematic view of the utility model.

[0018] Figure 3 It is a sectional view of the utility model.

[0019] Figure 4 It is a structural schematic view of the power output assembly.

[0020] Figure number description: 00-roller, 01-clutch device, 02-operation handle, 10-power input assembly, 20-power output assembly, 21-first pulley body, 22-second pulley body, 23-first annular part, 24-first groove wall part, 25-second annular part, 26-second groove wall part, 31-mounting foot, 32-mounting tube, 33-mounting plate, 41-U-shaped connecting part, 42-operation connecting part, 43-sleeve, 44-transition connecting piece, 45-adjusting spring. DETAILED DESCRIPTION

[0021] In order to make the purpose and advantages of the utility model more clear and apparent, the utility model is specifically described below in combination with embodiments. It should be understood that the following text is merely used to describe one or several specific embodiments of the utility model and does not strictly limit the protection scope specifically requested by the utility model.

[0022] As used herein, the terms "parallel", "perpendicular", and the like are not limited to their strict geometric definitions, but include reasonable and inconsistent tolerances for machining or human error.

[0023] As Figures 1-4 shown, a clutch device 01 for a roller 00, comprising a mounting bracket, a transmission shaft rotatably arranged on the mounting bracket, a power input assembly 10 for transmission connection with an engine and a power output assembly 20 for transmission connection with a vibration device are arranged on the transmission shaft, the power output assembly 20 is provided with a mounting groove for assembling a transmission belt, the power output assembly 20 is connected with an adjusting assembly, the adjusting assembly adjusts the groove width of the mounting groove to realize the connection / disconnection of the transmission between the power output assembly 20 and the transmission belt. Further, the power output assembly 20 comprises a first pulley body 21 and a second pulley body 22, the first pulley body 21 and the second pulley body 22 are adjustably assembled along the length direction of the transmission shaft, and the adjusting assembly is used to adjust the position of the first pulley body 21 and / or the second pulley body 22. Preferably, the power input assembly 10 and the power output assembly 20 are respectively arranged at both ends of the transmission shaft. The first pulley body 21 is fixedly assembled, the second pulley body 22 is adjustably assembled along the length direction of the transmission shaft, and the adjusting assembly adjusts the position of the second pulley body 22. In the above-mentioned scheme, by adjusting the groove width of the mounting groove for assembling the transmission belt, the transmission connection and disconnection of the power can be conveniently and quickly realized, thereby facilitating the adjustment operation.

[0024] More specifically as Figure 3 , 4As shown, the first pulley body 21 is located outside the second pulley body 22, the first pulley body 21 is provided with a first annular portion 23, the outer surface of the first annular portion 23 constitutes the groove bottom of the mounting groove, the first annular portion 23 is provided with a first groove wall portion 24 which constitutes a groove wall of the mounting groove, the second pulley body 22 is provided with a second annular portion 25, the second annular portion 25 is sleeved on the first annular portion 23, the second annular portion 25 is further provided with a second groove wall portion 26 which constitutes another groove wall of the mounting groove, the first groove wall portion 24 and the second groove wall portion 26 are correspondingly arranged. The adjusting assembly comprises an adjusting spring 45 and an adjusting piece, the adjusting spring 45 is used to drive the second pulley body 22 to move towards the side close to the first pulley body 21, and the adjusting piece is used to adjust the second pulley body 22 to move away from the first pulley body 21. The adjusting piece is Y-shaped, comprising a U-shaped connecting portion 41 and an operating connecting portion 42 arranged in a vertical line on the lower side of the U-shaped connecting portion 41, the second pulley body 22 is provided with a transition connecting piece 44, the transition connecting piece 44 is rotationally assembled with the second pulley body 22, the transition connecting piece 44 is provided with two trunnions which are concentrically arranged, the trunnions are vertically arranged with the transmission shaft, the middle part of the U-shaped connecting portion 41 is provided with an elongated assembly hole used to assemble with the trunnions, the mouth part of the U-shaped connecting portion 41 is provided with a shaft body fixedly installed, the shaft body is rotationally installed in a sleeve 43, the shaft body is parallelly arranged with the trunnions, and the sleeve 43 is fixedly assembled. In this way, by adjusting the adjusting piece to rotate around the shaft body, the second pulley body 22 is adjusted to move.

[0025] In the above scheme, when the transmission connection needs to be disconnected, the adjusting piece is counterclockwise flipped to drive the second pulley body 22 to move away from the first pulley body 21 and compress the spring. When the transmission connection is needed, the adjusting piece is loosened, and the spring drives the second pulley body 22 to move towards the side close to the first pulley body 21. More specifically, the second pulley body 22 and the transmission shaft are assembled in the form of a key and a keyway. Thus, the position adjustment of the second pulley body 22 is facilitated. The mounting bracket comprises a mounting foot 31 and a mounting pipe 32 provided on the upper side of the mounting foot 31, the middle part of the transmission shaft is rotationally installed in the mounting pipe 32, the mounting pipe 32 is provided with a mounting plate 33 used to fixedly install the sleeve 43, the sleeve is fixedly installed on the mounting plate, and the operating connecting portion 42 is connected with the operating handle 02 through a flexible shaft pull wire. A horizontally arranged pull rod can also be provided on the lower side of the operating connecting portion 42, the pull rod is hingedly connected with the operating connecting portion 42, and the flexible shaft pull wire is connected with the pull rod. In this way, the operator can quickly adjust the connection and disconnection of the transmission by operating the operating handle 02. The mounting bracket is used to assemble with the rack, and the power input assembly 10 is a belt pulley. The belt pulley is in transmission connection with the output shaft of the engine through a power input belt, and the power output assembly 20 is in transmission connection with the excitation device through a transmission belt.

[0026] In summary, the technical scheme provided by the utility model can adapt to assembly requirements of the multiple-exciting-axis road roller, and reliably realize disconnection and connection of transmission, is convenient and reliable to adjust, and is simple and convenient to operate.

[0027] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to conventional means in the art, unless otherwise specified and limited.

Claims

1. A clutch device for a road roller, characterized in that: It includes a mounting bracket, on which a drive shaft is rotatably mounted. The drive shaft is equipped with a power input component for transmission connection with an engine and a power output component for transmission connection with a vibration excitation device. The power output component is equipped with a mounting groove for mounting a transmission belt. The power output component is connected to an adjustment component, which adjusts the groove width of the mounting groove to achieve the connection / disconnection of transmission between the power output component and the transmission belt.

2. The clutch device for a road roller according to claim 1, characterized in that: The power output assembly includes a first pulley body and a second pulley body, which together form a mounting groove. The first pulley body and / or the second pulley body are adjustablely assembled along the length of the drive shaft. An adjustment assembly is used to adjust the position of the first pulley body and / or the second pulley body.

3. The clutch device for a road roller according to claim 1 or 2, characterized in that: The power input assembly and the power output assembly are respectively installed at both ends of the drive shaft.

4. The clutch device for a road roller according to claim 3, characterized in that: The first pulley is fixedly assembled, while the second pulley is adjustable along the length of the drive shaft. The adjustment assembly adjusts the position of the second pulley.

5. The clutch device for a road roller according to claim 4, characterized in that: The first pulley body is located outside the second pulley body. The first pulley body is provided with a first annular portion, the outer surface of which forms the bottom of the mounting groove. A first groove wall portion forming one groove wall of the mounting groove is provided on the side of the first annular portion. The second pulley body is provided with a second annular portion, which is fitted onto the first annular portion. The second annular portion is also provided with a second groove wall portion for forming the other groove wall of the mounting groove. The first groove wall portion and the second groove wall portion are arranged correspondingly.

6. The clutch device for a road roller according to claim 5, characterized in that: The adjustment assembly includes an adjustment spring and an adjustment member. The adjustment spring is used to drive the second pulley body to move closer to the first pulley body, and the adjustment member is used to adjust the second pulley body to move away from the first pulley body.

7. The clutch device for a road roller according to claim 6, characterized in that: The adjusting component is Y-shaped, including a U-shaped connecting part and a vertically arranged straight-line operating connecting part provided on the lower side of the U-shaped connecting part. A transition connecting part is provided on the second pulley body. The transition connecting part and the second pulley body are rotatably assembled. Two trunnions are provided on the transition connecting part. The two trunnions are arranged concentrically and are arranged perpendicularly to the drive shaft. A long strip-shaped assembly hole for assembling with the trunnion is provided in the middle of the U-shaped connecting part. A shaft body is fixedly installed at the opening of the U-shaped connecting part. The shaft body is rotatably installed in the sleeve. The shaft body and the trunnion are arranged parallel to each other. The sleeve is fixedly assembled.

8. The clutch device for a road roller according to claim 6, characterized in that: The second pulley and the drive shaft are assembled using a key and a keyway.

9. The clutch device for a road roller according to claim 1, characterized in that: The mounting bracket includes mounting feet and a mounting tube located on the upper side of the mounting feet. The middle part of the drive shaft is rotatably mounted inside the mounting tube. The mounting tube is equipped with a mounting plate for fixing the mounting sleeve. The sleeve is fixedly mounted on the mounting plate. The operating connection part is connected to the operating handle via a flexible shaft cable.

10. The clutch device for a road roller according to claim 1, characterized in that: The mounting bracket is used for assembly with the frame, and the power input component consists of pulleys.

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