CN219366637U - Clutch system and engineering machinery - Google Patents

Clutch system and engineering machinery Download PDF

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Publication number
CN219366637U
CN219366637U CN202223611552.5U CN202223611552U CN219366637U CN 219366637 U CN219366637 U CN 219366637U CN 202223611552 U CN202223611552 U CN 202223611552U CN 219366637 U CN219366637 U CN 219366637U
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China
Prior art keywords
clutch
telescopic
power
clutch system
driven
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CN202223611552.5U
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Chinese (zh)
Inventor
何亚刚
刘金昆
谢玉声
曹宇
李荣斌
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Priority to CN202223611552.5U priority Critical patent/CN219366637U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles

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  • Mechanical Operated Clutches (AREA)

Abstract

The utility model belongs to the field of engineering machinery, and discloses a clutch system and engineering machinery, wherein in the process of switching a power mechanism and a driven mechanism in the clutch system to an engaged state, when a telescopic end of a telescopic power device moves to a first position, a first position sensor can send an engaged in-place signal to a controller, and the controller immediately controls the telescopic power device to stop acting so as to ensure that the power mechanism and the driven mechanism are engaged in place. In the process that the power mechanism and the driven mechanism are switched to the separation state, when the telescopic end of the telescopic power device moves to the second position, the second position sensor can send a separation in-place signal to the controller, and the controller immediately controls the telescopic power device to stop acting, so that the power mechanism and the driven mechanism are ensured to be separated in place. Therefore, the clutch system does not need manual operation, and can prevent the situation that the engagement and the disengagement are not in place, so that the clutch system is simple and convenient to operate, less in burden of operators and high in reliability.

Description

Clutch system and engineering machinery
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a clutch system and engineering machinery.
Background
The existing large-tonnage crane generally adopts a double-engine configuration system, wherein chassis running power is mainly provided by a lower engine, and hoisting operation power is provided by an upper engine. For the power system of the boarding vehicle, the engine transmits power to the hydraulic driving device through the transfer case, and outputs pressure oil to the corresponding hydraulic actuating element to finish corresponding rotation, lifting, luffing and the like of the boarding vehicle.
At present, the engine on the bus has a mode of transmitting power to a clutch device through an engine flywheel and then transmitting the power to a transfer case, but the engagement and disengagement states of the clutch are switched by mechanical manual operation, so that the problems of inconvenient operation, excessive dependence on operators and the like exist.
Disclosure of Invention
In view of at least one of the above-mentioned drawbacks or shortcomings of the prior art, the present utility model provides a clutch system and an engineering machine capable of automatically switching between an engaged state and a disengaged state without manual operation, thereby achieving the purposes of simplifying the operation and reducing the burden of operators, etc.
To achieve the above object, a first aspect of the present utility model provides a clutch system, comprising:
a power mechanism and a driven mechanism;
a telescopic power device for driving the power mechanism and the driven mechanism to switch between an engaged state and a disengaged state, wherein a telescopic end of the telescopic power device moves to a first position and a second position respectively in the engaged state and the disengaged state;
a first position sensor and the second position sensor configured to respectively send out an engaged in-place signal when the telescoping end is moved to the first position and a disengaged in-place signal when the telescoping end is moved to the second position; and
a controller in communication with the first position sensor, the second position sensor, and the telescoping power plant, respectively, and configured to: the power mechanism and the driven mechanism are controlled to stop when the engagement in-place signal is received during the process of switching to the engagement state, and the power mechanism and the driven mechanism are controlled to stop when the disengagement in-place signal is received during the process of switching to the disengagement state.
Optionally, the clutch system includes:
a control panel for selectively issuing an engagement trigger signal and a disengagement trigger signal;
the controller is in communication with the control panel and is configured to: and when the engagement trigger signal is received, the telescopic power device is controlled to drive the power mechanism and the driven mechanism to switch to the engagement state, and when the disengagement trigger signal is received, the telescopic power device is controlled to drive the power mechanism and the driven mechanism to switch to the disengagement state.
Optionally, the clutch system comprises a clutch executing mechanism and a clutch transmission mechanism, wherein the clutch executing mechanism comprises an elastic pressing component for keeping the driven mechanism pressed against the power mechanism and a deformation driving piece capable of driving the elastic pressing component to elastically deform so that the driven mechanism is separated from the power mechanism, and the clutch transmission mechanism is connected with the telescopic end and the deformation driving piece.
Alternatively, the clutch transmission mechanism is formed as a link transmission mechanism.
Optionally, the link transmission mechanism includes pivoted lever and pushing rod, the one end pivot of pivoted lever connect in flexible power device flexible end, the other end of pivoted lever with pushing rod's one end vertical fixed connection, pushing rod's the other end is formed to be used for pushing the pushing end of deformation driving piece.
Optionally, the power unit includes engine flywheel, driven mechanism includes friction disc and driven shaft, elasticity crimping subassembly includes shroud, clutch release finger and pressure disk, the shroud with engine flywheel fixed connection, engine flywheel the friction disc the pressure disk with clutch release finger is crimping in proper order, the friction disc the pressure disk with clutch release finger all sets up in the shroud, clutch release finger install in shroud and radial outer tip with the pressure disk is connected, the driven shaft wears to link to be fixed the friction disc and passes in proper order the pressure disk clutch release finger with the shroud sets up, deformation drive piece is for can wearing the cover along axial sliding is in release bearing on the driven shaft.
Optionally, the telescopic power device is arranged outside the cover, and the clutch transmission mechanism is arranged through the outer wall of the cover.
Optionally, the first position sensor is formed as a first proximity switch arranged in alignment with the first position, and the second position sensor is formed as a second proximity switch arranged in alignment with the second position.
Optionally, the power mechanism includes an engine flywheel and the driven mechanism includes a transfer case input shaft as a driven shaft.
The second aspect of the utility model provides a construction machine comprising the clutch system.
The clutch system of the present utility model has the function of automatically switching the engaged state and the disengaged state and monitoring whether the engagement and the disengagement are in place. When the telescopic end of the telescopic power device moves to the first position in the process of switching the power mechanism and the driven mechanism to the engaged state, the first position sensor can send an engaged position signal to the controller, and the controller immediately controls the telescopic power device to stop acting so as to ensure that the power mechanism and the driven mechanism are engaged in place. In the process that the power mechanism and the driven mechanism are switched to the separation state, when the telescopic end of the telescopic power device moves to the second position, the second position sensor can send a separation in-place signal to the controller, and the controller immediately controls the telescopic power device to stop acting, so that the power mechanism and the driven mechanism are ensured to be separated in place. Therefore, the clutch system does not need manual operation, and can prevent the situation that the engagement and the disengagement are not in place, so that the clutch system has the advantages of simplicity and convenience in operation, less burden on operators, high reliability and the like.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:
FIG. 1 is a front view of a clutch system according to an embodiment of the present utility model;
FIG. 2 is a top view of the clutch system of FIG. 1;
FIG. 3 is a partial cross-sectional view of the clutch system of FIG. 1.
Reference numerals illustrate:
100. clutch system
1. Pivoting lever of telescopic power device 2
3. First position sensor of push rod 4
5. Second position sensor 6 engine flywheel
7. Friction disk 8 driven shaft
9. Clutch release finger of pressure plate 10
11. Cover 12 release bearing
13. Hydraulic driving device for transfer case 14
15. Frame of bicycle
Detailed Description
The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the embodiments of the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" or "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the positional relationship of the various components with respect to one another in the vertical, vertical or gravitational directions.
The utility model will be described in detail below with reference to the drawings in connection with exemplary embodiments.
As shown in fig. 1 to 3, a first exemplary embodiment of the present utility model provides a clutch system 100 including a power mechanism, a driven mechanism, a telescopic power device 1, a first position sensor 4, a second position sensor 5, and a controller.
Specifically, the power mechanism is used to input power to the clutch system 100, and the driven mechanism can be engaged with the power mechanism to transmit power, or disengaged from the power mechanism to cut off power transmission.
The telescopic power device 1 is used for driving the power mechanism and the driven mechanism to switch between an engagement state and a disengagement state, when the telescopic end of the telescopic power device 1 moves to a first position, the power mechanism and the driven mechanism are switched to the engagement state, and when the telescopic end of the telescopic power device 1 moves to a second position, the power mechanism and the driven mechanism are switched to the disengagement state.
The first position sensor 4 is configured to signal engagement in place when the telescoping end of the telescoping power plant 1 is moved to a first position and the second position sensor 5 is configured to signal disengagement in place when the telescoping end of the telescoping power plant 1 is moved to a second position.
The controller communicates with the first position sensor 4, the second position sensor 5, and the telescopic power apparatus 1, respectively, and is configured to control the telescopic power apparatus 1 to stop operating when an engagement-in-place signal is received during a changeover of the power mechanism and the driven mechanism to an engaged state, and to control the telescopic power apparatus 1 to stop operating when a disengagement-in-place signal is received during a changeover of the power mechanism and the driven mechanism to a disengaged state.
With the above arrangement, the clutch system 100 of the present exemplary embodiment has the function of automatically switching the engaged state and the disengaged state and monitoring whether the engagement and the disengagement are in place. When the telescopic end of the telescopic power apparatus 1 moves to the first position during the process of switching the power mechanism and the driven mechanism to the engaged state, the first position sensor 4 can send an engaged in-place signal to the controller, and the controller immediately controls the telescopic power apparatus 1 to stop acting, so that the power mechanism and the driven mechanism are ensured to be engaged in place. In the process that the power mechanism and the driven mechanism are switched to the separated state, when the telescopic end of the telescopic power device 1 moves to the second position, the second position sensor 5 can send a separation in-place signal to the controller, and the controller immediately controls the telescopic power device 1 to stop acting, so that the power mechanism and the driven mechanism are ensured to be separated in place. As can be seen, the clutch system 100 of the present exemplary embodiment does not require manual operation and can prevent the occurrence of the condition of insufficient engagement and disengagement, thereby having advantages of simple operation, less burden on operators, high reliability, and the like.
In one embodiment, clutch system 100 includes a control panel in communication with a controller for selectively issuing an engage trigger signal and a disengage trigger signal. At this time, the controller may be further configured to control the telescopic power apparatus 1 to drive the power mechanism and the driven mechanism to switch to the engaged state upon receiving the engagement trigger signal, and to control the telescopic power apparatus 1 to drive the power mechanism and the driven mechanism to switch to the disengaged state upon receiving the disengagement trigger signal. For example, in a construction machine such as a crane, a control panel may be disposed in the control room for a driver to timely control the state switching of the clutch system 100, and the control panel may be provided with a touch screen and/or a mechanical key, and when the driver manipulates the touch screen or presses the mechanical key, the control panel may be made to send out an engagement trigger signal or a disengagement trigger signal, so that the controller performs corresponding control.
In one embodiment, the clutch system 100 further includes a clutch actuator and a clutch transmission. The clutch actuating mechanism comprises an elastic crimping assembly and a deformation driving piece, wherein the elastic crimping assembly keeps the driven mechanism in crimping with the power mechanism, so that the power mechanism and the driven mechanism are in a joint state preferentially. The deformation driving piece can drive the elastic crimping assembly to generate elastic deformation so that the driven mechanism is separated from the power mechanism, namely, the power mechanism and the driven mechanism are switched to a separated state. In addition, the clutch transmission mechanism is connected with the telescopic end of the telescopic power device 1 and the deformation driving piece, so that the displacement of the deformation driving piece is realized through the transmission of the clutch transmission mechanism under the driving of the telescopic power device 1, and the elastic compression joint assembly is driven to generate elastic deformation so that the driven mechanism is separated from the power mechanism. In the case that the deformation driving member does not drive the elastic compression joint assembly to elastically deform, the power mechanism and the driven mechanism can be kept in an engaged state.
Further, the clutch transmission may be formed as a link transmission.
Referring to fig. 1 to 3, the link transmission may include a pivot lever 2 and a push lever 3. One end of the pivoting rod 2 is pivotally connected to the telescopic end of the telescopic power device 1, the other end of the pivoting rod 2 is fixedly connected with one end of the pushing rod 3 vertically, and the other end of the pushing rod 3 is formed as a pushing end for pushing the deformation driving piece. Through the removal of the flexible end of flexible power device 1, pivot takes place for pivot pivoted pole 2 to can drive pushing rod 3 and rotate, make its pushing end drive deformation driving piece displacement, when deformation driving piece drive elasticity crimping subassembly produced elastic deformation, power unit and driven mechanism switch to the separation state, when deformation driving piece and elasticity crimping subassembly break away from the contact, elasticity crimping subassembly keeps crimping power unit with driven mechanism, power unit and driven mechanism switch to the joint state.
In one embodiment, the power mechanism may include an engine flywheel 6, the driven mechanism may include a friction disc 7 and a driven shaft 8, and the resilient crimping assembly may include a cover 11, clutch release fingers 10, and a pressure plate 9. Wherein, shroud 11 and engine flywheel 6 fixed connection, engine flywheel 6, friction disc 7, pressure disk 9 and clutch release finger 10 press in proper order, friction disc 7, pressure disk 9 and clutch release finger 10 all set up in shroud 11, clutch release finger 10 installs in shroud 11 and radial outer tip and pressure disk 9 are connected, driven shaft 8 wears to link fixed friction disc 7 and passes pressure disk 9, clutch release finger 10 and shroud 11 setting in proper order, deformation driving piece is for can wearing the release bearing 12 of cover on driven shaft 8 along the axial slip.
According to the embodiment, when the telescopic end of the telescopic power apparatus 1 moves to the first position, the release bearing 12 is not pressed against the middle part of the clutch release finger 10, the pressure plate 9 is always pressed against the engine flywheel 6 by the elastic force of the radially outer edge part of the clutch release finger 10, at this time, if the engine flywheel 6 rotates under the driving of the engine, the friction plate 7 follows rotation due to the friction force between the friction plate 7 and the engine flywheel 6, so that the driven shaft 8 fixedly connected with the friction plate 7 also follows rotation, and power transmission is realized, namely, the power mechanism and the driven mechanism are in an engaged state.
During the movement of the telescopic end of the telescopic power means 1 to the second position, the release bearing 12 slides along the driven shaft 8 towards the middle of the clutch release finger 10. When the telescopic end of the telescopic power device 1 moves to the second position, the release bearing 12 is pressed against the middle part of the clutch release finger 10, so that the radially outer edge part of the clutch release finger 10 moves away from the friction disc 7, and at the same time, the radially outer edge part of the clutch release finger 10 drives the pressure disc 9 to move away from the friction disc 7, so that the pressure disc 9 is not pressed against the friction disc 7 any more. At this time, since the engine flywheel 6 rotates at a high speed, the friction disk 7 is thrown against the pressure disk, so that the engine flywheel 6 is out of contact with the friction disk 7, and the power of the engine flywheel 6 cannot be transmitted to the driven shaft 8, i.e., the power mechanism and the driven mechanism are in a separated state.
Further, the telescopic power apparatus 1 may be provided outside the cover 11, for example, fixedly provided on the frame 15 of the construction machine, in which case the clutch transmission mechanism is provided through the outer wall of the cover 11 to be able to connect the telescopic power apparatus 1 and the release bearing 12.
The telescopic power device 1 may be a device that can be controlled and driven by a controller, such as an electric cylinder, a hydraulic cylinder, an air cylinder, and a linear motor. The first position sensor 4 may be formed as a first proximity switch arranged in alignment with the first position and the second position sensor 5 may be formed as a second proximity switch arranged in alignment with the second position. In addition, the first position sensor 4 and the second position sensor 5 may also employ other types of position sensors such as a laser ranging sensor, a grating sensor, and the like, and the present exemplary embodiment is not limited.
When the clutch system 100 is applied to a construction machine such as a crane, the power mechanism may be an engine flywheel 6, and the driven mechanism may be a transfer case input shaft as a driven shaft 8, so that power transmission or power cut-off between the engine and the transfer case 13 is achieved. The output of the transfer case 13 can also be connected in a drive manner to a hydraulic drive 14.
In addition, the second exemplary embodiment of the present utility model also provides a construction machine including the clutch system 100 described above. It is obvious that the construction machine has all technical effects brought by the clutch system 100, so that the description thereof will not be repeated here.
The foregoing details of the optional implementation of the embodiment of the present utility model have been described in detail with reference to the accompanying drawings, but the embodiment of the present utility model is not limited to the specific details of the foregoing implementation, and various simple modifications may be made to the technical solution of the embodiment of the present utility model within the scope of the technical concept of the embodiment of the present utility model, and these simple modifications all fall within the protection scope of the embodiment of the present utility model.
In addition, the specific features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
In addition, any combination of various embodiments of the present utility model may be performed, so long as the concept of the embodiments of the present utility model is not violated, and the disclosure of the embodiments of the present utility model should also be considered.

Claims (10)

1. A clutch system, characterized in that the clutch system (100) comprises:
a power mechanism and a driven mechanism;
a telescopic power device (1) for driving the power mechanism and the driven mechanism to switch between an engaged state and a disengaged state, wherein a telescopic end of the telescopic power device (1) moves to a first position and a second position respectively in the engaged state and the disengaged state;
a first position sensor (4) and a second position sensor (5) configured to emit an engaged in-place signal when the telescopic end is moved to the first position and to emit a disengaged in-place signal when the telescopic end is moved to the second position, respectively; and
a controller in communication with the first position sensor (4), the second position sensor (5) and the telescopic power means (1), respectively, and configured to: the telescopic power device (1) is controlled to stop when the engagement in-place signal is received during the process of switching the power mechanism and the driven mechanism to the engagement state, and the telescopic power device (1) is controlled to stop when the disengagement in-place signal is received during the process of switching the power mechanism and the driven mechanism to the disengagement state.
2. The clutch system according to claim 1, characterized in that the clutch system (100) comprises:
a control panel for selectively issuing an engagement trigger signal and a disengagement trigger signal;
the controller is in communication with the control panel and is configured to: and when the engagement trigger signal is received, the telescopic power device (1) is controlled to drive the power mechanism and the driven mechanism to be switched to the engaged state, and when the disengagement trigger signal is received, the telescopic power device (1) is controlled to drive the power mechanism and the driven mechanism to be switched to the disengaged state.
3. The clutch system of claim 1, wherein the clutch system (100) includes a clutch actuator and a clutch transmission, the clutch actuator including an elastic crimping assembly that holds the driven mechanism in crimping engagement with the power mechanism and a deformation driver that is capable of driving the elastic crimping assembly to elastically deform to disengage the driven mechanism from the power mechanism, the clutch transmission connecting the telescoping end and the deformation driver.
4. A clutch system according to claim 3, wherein the clutch transmission mechanism is formed as a link transmission mechanism.
5. The clutch system according to claim 4, characterized in that the link transmission mechanism comprises a pivoting lever (2) and a pushing lever (3), one end of the pivoting lever (2) is pivotally connected to the telescopic end of the telescopic power means (1), the other end of the pivoting lever (2) is fixedly connected vertically to one end of the pushing lever (3), and the other end of the pushing lever (3) is formed as a pushing end for pushing the deformation driving member.
6. A clutch system according to claim 3, characterized in that the power mechanism comprises an engine flywheel (6), the driven mechanism comprises a friction disc (7) and a driven shaft (8), the elastic crimping assembly comprises a cover cap (11), a clutch release finger (10) and a pressure plate (9), the cover cap (11) is fixedly connected with the engine flywheel (6), the friction disc (7), the pressure plate (9) and the clutch release finger (10) are sequentially crimped, the friction disc (7), the pressure plate (9) and the clutch release finger (10) are all arranged in the cover cap (11), the clutch release finger (10) is mounted on the cover cap (11) and the radially outer end part is connected with the pressure plate (9), the driven shaft (8) is fixedly connected through the friction disc (7) and sequentially penetrates through the pressure plate (9), the clutch release finger (10) and the cover cap (11), and the deformation driving piece is a release bearing sleeved on the driven shaft (8) in an axial sliding manner.
7. Clutch system according to claim 6, characterized in that the telescopic power means (1) are arranged outside the cover (11), the clutch transmission being arranged through the outer wall of the cover (11).
8. Clutch system according to claim 1, characterized in that the first position sensor (4) is formed as a first proximity switch arranged in alignment with the first position and the second position sensor (5) is formed as a second proximity switch arranged in alignment with the second position.
9. Clutch system according to claim 1, characterized in that the power mechanism comprises an engine flywheel (6) and the driven mechanism comprises a transfer case input shaft as driven shaft (8).
10. A working machine, characterized in that the working machine comprises a clutch system (100) according to any one of claims 1 to 9.
CN202223611552.5U 2022-12-31 2022-12-31 Clutch system and engineering machinery Active CN219366637U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223611552.5U CN219366637U (en) 2022-12-31 2022-12-31 Clutch system and engineering machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223611552.5U CN219366637U (en) 2022-12-31 2022-12-31 Clutch system and engineering machinery

Publications (1)

Publication Number Publication Date
CN219366637U true CN219366637U (en) 2023-07-18

Family

ID=87151862

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223611552.5U Active CN219366637U (en) 2022-12-31 2022-12-31 Clutch system and engineering machinery

Country Status (1)

Country Link
CN (1) CN219366637U (en)

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