CN216349262U

CN216349262U - Damping torque detection device of automobile dual-mass flywheel

Info

Publication number: CN216349262U
Application number: CN202122831293.6U
Authority: CN
Inventors: 钟嘉荣; 杨明; 倪川
Original assignee: Cnc Driveline Technology Co ltd
Current assignee: Cnc Driveline Technology Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-19
Anticipated expiration: 2031-11-18

Abstract

The application discloses damping torque detection device of car dual mass flywheel, including bearing mechanism, lifting and drop rotating mechanism, fixture and torque sensor. Lifting and rotating mechanism passes through the bearing mechanism and is connected with the vice flywheel side of examining the dual mass flywheel, can drive and examine the dual mass flywheel elevating movement or rotatory rotation, and fixture sets up with lifting and rotating mechanism relative position to can be in the main flywheel side of examining the dual mass flywheel of examining of presetting the position and carry out the centre gripping. After the clamping mechanism finishes clamping and fixing the main flywheel side, the auxiliary flywheel side can be driven to rotate, and the damping torque data can be acquired by the torque sensor. The main flywheel side is fixed in a clamping mode, the problem that the detection result of the damping torque is easy to have large errors due to the influence of gravity of the main flywheel side during detection and the problem that a bolt hole of the main flywheel is damaged by a bolt can be avoided, the damping torque detection accuracy of the dual-mass flywheel is improved, and the production yield of the dual-mass flywheel is improved.

Description

Damping torque detection device of automobile dual-mass flywheel

Technical Field

The application relates to the technical field of damping torque detection, in particular to a damping torque detection device of an automobile dual-mass flywheel.

Background

A dual-mass flywheel (also called DMFW) is a novel structure applied to an automobile transmission system in the end of the 80 th century, can effectively isolate torsional vibration of an engine crankshaft, and is beneficial to improving the service performance of an automobile.

The double-mass flywheel can carry out damping torque detection in the production process, and at present, the main flywheel side is usually upwards, and the middle part is fixed a position with the bolt hole bolt, and vice flywheel side is downwards, and the mode that the bolt hole of stepping down was twisted realizes detecting. However, the detection method has the problems that the detection result of the damping torque is easily subjected to the influence of the gravity of the main flywheel side, so that a large error occurs, accurate detection data are difficult to obtain, and when the main flywheel side and the auxiliary flywheel side are dislocated, a bolt hole of the main flywheel is easily damaged by a bolt, so that the production yield is low.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present application is to provide a damping torque detection apparatus for a dual mass flywheel of an automobile, which can improve the damping torque detection accuracy of the dual mass flywheel and improve the production yield of the dual mass flywheel.

In order to achieve the above technical object, the present application provides a damping torque detection device for a dual mass flywheel of an automobile, including:

the bearing mechanism is connected with the side of the auxiliary flywheel of the dual-mass flywheel to be detected and is used for positioning and mounting the dual-mass flywheel to be detected;

the movable end of the lifting and rotating mechanism is connected with the bearing mechanism and is used for driving the dual-mass flywheel to be detected to move up and down or rotate;

the clamping mechanism is used for clamping the main flywheel side of the dual-mass flywheel to be detected when the dual-mass flywheel to be detected moves up and down to a preset position;

and the torque sensor is connected with the clamping mechanism and used for acquiring the damping torque of the to-be-detected dual-mass flywheel.

Further, the racking mechanism includes:

a tray;

the positioning tool is detachably installed on the tray, and the movable end of the lifting rotating mechanism penetrates through the tray and is connected with the positioning tool.

Further, fixture is hydraulic fixture, includes:

a hydraulic gripper;

and the hydraulic pump is connected with the hydraulic mechanical claw and used for driving the clamping action of the hydraulic mechanical claw.

Further, the hydraulic gripper comprises:

a housing;

the clamping jaws are mounted on the shell and distributed around the circumference of the vertical center line of the shell, each clamping jaw is in sliding fit with the shell along the direction close to or far from the vertical center line of the shell, and each clamping jaw is provided with a transmission tooth surface distributed along the sliding direction of the clamping jaw;

the hydraulic rotating motor is installed on the shell and is in transmission fit with the transmission tooth surfaces of the clamping jaws through the gear transmission assembly, and the hydraulic rotating motor is used for synchronously driving the clamping jaws to move towards or away from the vertical central line direction of the shell.

Further, each of the jaws includes:

the transmission tooth surface is arranged on the top surface of the first claw arm, the top surface of the first claw arm is provided with a sliding groove along the length direction, and the shell is connected with a sliding part in sliding connection with the sliding groove;

and the second claw arms are vertically connected with the first claw arms, and clamping spaces are formed among the second claw arms.

Furthermore, one end of each second claw arm, which is far away from the first claw arm, is connected with a pressing block;

the briquetting is equipped with the arcwall face of side contact with the main flywheel of waiting to examine dual mass flywheel.

Furthermore, a connecting block is convexly arranged on one end face, far away from the first claw arm, of the second claw arm;

the middle part of the pressing block is provided with a connecting hole for the connecting block to extend into;

the connecting block is provided with a threaded hole at a block section extending into the connecting hole;

a through hole which is communicated with the connecting hole and corresponds to the threaded hole is formed in one side surface of the pressing block;

the through hole is connected with the threaded hole through a bolt.

Furthermore, the arc surface is provided with anti-skid lines or the arc surface is paved with an anti-skid pad.

Further, the lifting and rotating mechanism includes:

the supporting mechanism comprises a lifter, a first supporting part and a second supporting part, wherein the telescopic end of the lifter is provided with the first matching part, the bottom of the supporting mechanism is provided with the second matching part, the first matching part and the second matching part are in separable fit in the telescopic direction of the lifter, and the first matching part and the second matching part can be in synchronous rotating fit;

the rotary driver is connected with the lifter and is used for driving the lifter to rotate;

the lifter is a mandril cylinder;

the rotary driver is a rotary motor and is connected with the lifter through a belt transmission assembly.

Further, still include:

and the controller is electrically connected with the lifting rotating mechanism, the clamping mechanism and the torque sensor.

According to the technical scheme, the damping torque detection device comprises a bearing mechanism, a lifting and rotating mechanism, a clamping mechanism and a torsion sensor. Lifting and rotating mechanism passes through the bearing mechanism and is connected with the vice flywheel side of examining the dual mass flywheel, can drive and examine the dual mass flywheel elevating movement or rotatory rotation, and fixture sets up with lifting and rotating mechanism relative position to can be in the main flywheel side of examining the dual mass flywheel of examining of presetting the position and carry out the centre gripping. After the clamping mechanism finishes clamping and fixing the main flywheel side, the auxiliary flywheel side can be driven to rotate, and the damping torque data can be acquired by the torque sensor. The main flywheel side is fixed in a clamping mode, the problem that a detection result of damping torque is easy to cause large errors due to the influence of gravity of the main flywheel side during detection can be avoided, the problem that a bolt hole of the main flywheel is damaged by a bolt can also be avoided, the damping torque detection accuracy of the dual-mass flywheel is improved, and the production yield of the dual-mass flywheel is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic diagram of an overall explosion structure of a damping torque detection device for an automotive dual mass flywheel provided in the present application;

FIG. 2 is a schematic perspective view of a damping torque detection device for an automotive dual mass flywheel according to the present disclosure;

FIG. 3 is a schematic diagram of a partial explosion structure of a damping torque detection device for a dual mass flywheel of an automobile according to the present application;

in the figure: 10. a clamping mechanism; 1. a hydraulic gripper; 11. a housing; 12. a clamping jaw; 121. a first claw arm; 1211. a drive tooth surface; 1212. a chute; 122. a second claw arm; 1221. connecting blocks; 1222. a threaded hole; 123. briquetting; 1231. an arc-shaped surface; 1232. connecting holes; 124. a non-slip mat; 125. a bolt; 21. a hydraulic pump; 22. a motor/hydraulic press; 30. a lifting and rotating mechanism; 31. a rotary driver; 32. a lifter; 33. a first mating portion; 4. a support mechanism; 41. a tray; 42. positioning a tool; 5. a torque sensor; 6. a dual mass flywheel to be detected; 7. a slider; 71. a guide block; 72. a wedge block.

Detailed Description

The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. 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 embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

The embodiment of the application discloses a damping torque detection device of an automobile dual-mass flywheel.

Referring to fig. 1, an embodiment of a damping torque detection apparatus for a dual mass flywheel of an automobile according to an embodiment of the present application includes:

a supporting mechanism 4, a lifting and rotating mechanism 30, a clamping mechanism 10 and a torsion sensor 5.

Wherein, bearing mechanism 4 is connected with the vice flywheel side of examining double mass flywheel 6 for the double mass flywheel 6 is examined to the location installation.

The movable end of the lifting and rotating mechanism 30 is connected with the bearing mechanism 4 and is used for driving the dual-mass flywheel 6 to be detected to move up and down or rotate. Specifically, the lifting and rotating motion of the bearing mechanism 4 is driven to synchronously drive the dual-mass flywheel 6 to be detected to perform lifting motion or rotating motion. The movable end of the lifting and rotating mechanism 30 and the supporting mechanism 4 can be connected in a fixed or separable way; under the condition of fixed connection, during detection operation, the dual-mass flywheel 6 to be detected can be positioned and installed on the bearing mechanism 4 by related equipment, and then the lifting and rotating mechanism 30 is driven to act. Under the condition of separable connection, during the detection operation, can be earlier by the relevant equipment will examine double mass flywheel 6 location-mounting at supporting mechanism 4, will have the supporting mechanism 4 of waiting to wait double mass flywheel to place in the assembly line again, when supporting mechanism 4 was carried to alignment lifting and drop rotating mechanism 30 position, can stop the assembly line, the action that rises of redriving lifting and drop rotating mechanism 30 is connected with supporting mechanism 4, and then realize the control to the lift and the rotary motion of supporting mechanism 4, and this kind of detection operation mode is more automatic, can realize continuity detection operation, improve detection efficiency.

The chucking mechanism 10 may be disposed at a position on the movable end side of the elevating and lowering rotating mechanism 30 in the movable end elevating and lowering direction of the elevating and lowering rotating mechanism 30. Specifically, taking the lifting and rotating mechanism 30 as a vertical installation and the movable end facing upward as an example, the clamping mechanism 10 may be disposed right above the lifting and rotating mechanism 30, and is configured to clamp the main flywheel side of the dual mass flywheel 6 to be detected when the dual mass flywheel 6 to be detected moves up and down to a preset position, so as to clamp and fix the main flywheel side.

And the torque sensor 5 are connected with the clamping mechanism 10 and used for acquiring the damping torque of the to-be-detected dual-mass flywheel 6. The torque sensor 5 may be designed with reference to an existing torque detection module or an existing torque detection module is adopted, which is not described in detail.

The main flywheel side is fixed in a clamping mode, the problem that a detection result of damping torque is easy to cause large errors due to the influence of gravity of the main flywheel side during detection can be avoided, the problem that a bolt 125 hole of the main flywheel is damaged by a bolt can also be avoided, the damping torque detection accuracy of the dual-mass flywheel is improved, and the production yield of the dual-mass flywheel is improved.

The above is a first embodiment of a damping torque detection device for an automotive dual mass flywheel provided in the embodiments of the present application, and the following is a second embodiment of a damping torque detection device for an automotive dual mass flywheel provided in the embodiments of the present application, specifically referring to fig. 1 to fig. 3.

The scheme based on the first embodiment is as follows:

further, the structural composition of the supporting mechanism 4 includes: tray 41 and location frock 42, wherein, location frock 42 detachable is installed on tray 41, and lifting and drop rotating mechanism 30's expansion end passes tray 41 and is connected with location frock 42. The tray 41 can support the fixed positioning tool 42, so that the positioning tool 42 can be conveniently arranged on the production line, and the design of the positioning tool 42 can be designed by referring to the existing tool structure, which is not repeated.

Further, as for the gripping mechanism 10, it may be one of a hydraulic gripping mechanism 10, a pneumatic gripping mechanism 10, and an electric gripping mechanism 10.

Taking the example where the clamping mechanism 10 is a hydraulic clamping mechanism 10, the clamping mechanism may specifically include a hydraulic gripper 1 and a hydraulic pump 21.

The hydraulic mechanical claw 1 can be arranged on a corresponding fixed frame and is connected with the fixed frame through the torque sensor 5, so that the torque sensor 5 can detect the damping torque applied to the main flywheel side when the auxiliary flywheel side rotates. The hydraulic pump 21 is connected with the hydraulic mechanical claw 1 through a pipeline and used for driving the hydraulic mechanical clamping claw 12 to perform clamping action.

Further, as for the structure of the hydraulic mechanical gripper 1, it may include:

the housing 11 is used for bearing, and the specific structure of the housing can be designed according to actual needs without limitation.

The clamping jaws 12 are mounted on the shell 11 and distributed around the circumference of the vertical center line of the shell 11, each clamping jaw 12 is in sliding fit with the shell 11 along the direction close to or far away from the vertical center line of the shell 11, and each clamping jaw 12 is provided with a transmission tooth surface 1211 distributed along the sliding direction of the clamping jaw 12.

And a hydraulic rotating motor (not shown) which is arranged in the shell 11 and is in transmission fit with the transmission tooth surface 1211 of each clamping jaw 12 through a gear transmission assembly, and is used for synchronously driving each clamping jaw 12 to move towards or away from the vertical central line direction of the shell 11. The hydraulic pump 21 is connected with the hydraulic rotating motor and used for controlling the rotation of the hydraulic rotating motor, the hydraulic rotating motor is matched with the transmission gears of the clamping jaws 12 through the gear transmission assembly to realize the sliding control of the clamping jaws 12 on the shell 11, and when the clamping jaws 12 are driven to move towards the direction of the vertical central line close to the shell 11, the clamping jaws 12 are drawn together to realize the clamping. When the clamping jaws 12 are driven to move away from the vertical center line of the shell 11, namely, the clamping jaws 12 are in expanding motion, so that loosening is realized. The gear transmission assembly may include a driving gear fixed on the output shaft of the hydraulic rotating motor and a plurality of driven gears corresponding to the clamping jaws 12 one by one, the driven gears are pivotally connected to the housing 11 and respectively cooperate with the driving gear and the transmission tooth surface 1211, and those skilled in the art can make appropriate design changes based on the above without limitation.

Further, as for the structural composition of each jaw 12, it includes:

the first claw arm 121 and the transmission tooth surface 1211 are provided on the top surface of the first claw arm 121, but it is also possible to provide a rack on the top surface of the first claw arm 121 for forming the transmission tooth surface 1211. The top surface of the first claw arm 121 is provided with a sliding groove 1212 along the length direction thereof, and the housing 11 is connected with a sliding member 7 slidably connected with the sliding groove 1212. The sliding member 7 may include a wedge block 72 and a guide block 71, the wedge block 72 is mounted on the housing 11, and the guide block 71 is connected to the wedge block 72 and slidably engaged with the sliding groove 1212, and those skilled in the art can make appropriate design changes based on this without limitation.

And second claw arms 122, wherein the second claw arms 122 are vertically connected with the first claw arms 121, and a clamping space is formed between the second claw arms 122.

Further, one end of each second claw arm 122 far away from the first claw arm 121 is connected with a pressing block 123. The pressing block 123 is provided with an arc-shaped surface 1231 which is in side contact with the main flywheel of the dual-mass flywheel 6 to be detected, and can better clamp and fix the main flywheel of the dual-mass flywheel 6 to be detected.

Further, as for the connection between the pressing block 123 and the second claw arm 122, a connecting block 1221 may be convexly disposed on an end surface of the second claw arm 122 far from the first claw arm 121, a connecting hole 1232 for the connecting block 1221 to extend into is disposed in the middle of the pressing block 123, a threaded hole 1222 is disposed in a block section of the connecting block 1221 extending into the connecting hole 1232, a through hole (not shown) communicating with the connecting hole 1232 and corresponding to the threaded hole 1222 is disposed on one side surface of the pressing block 123, and the through hole and the threaded hole 1222 are connected by a bolt 125. Of course, besides the above-mentioned fixing connection manner, other connection fixing manners may also be adopted, and no limitation is made in particular.

Further, the arc surface 1231 is provided with anti-slip lines or the arc surface 1231 is paved with an anti-slip mat 124. The design of antiskid lines can increase the gripping force, and the design of non-slip mat 124 not only can increase the gripping force, but also avoids clamping to the dual mass flywheel 6 to be inspected. The non-slip pad 124 may be affixed to the curved surface 1231 of the pressing block 123 by gluing or by corresponding fasteners. The non-slip pad 124 may be a rubber material, without limitation.

Further, the structural composition of the lifting and rotating mechanism 30 includes: a lifter 32 and a rotary actuator 31.

The first engaging portion 33 is disposed at the telescopic end of the lifter 32, the supporting mechanism 4 is disposed with a second engaging portion (not shown), specifically, the bottom of the positioning fixture 42 is disposed with a second engaging portion, the first engaging portion 33 penetrates through the tray 41 and is detachably engaged with the second engaging portion in the telescopic direction of the lifter 32, and the first engaging portion 33 and the second engaging portion are synchronously and rotatably engaged. The rotary driver 31 is connected to the lifter 32 for driving the lifter 32 to rotate. The first mating portion 33 may be a crown gear structure, and the second mating portion may be a tooth socket for the crown gear to be inserted into, without limitation.

The lifter 32 may be a ram cylinder, and the rotary driver 31 is a rotary motor, and the rotary driver 31 is connected to the lifter 32 through a belt transmission assembly. The push rod cylinder is pivotally connected to a base or a frame, and the rotating motor can be fixed to the base or the frame and located beside the push rod cylinder, and then the belt transmission assembly drives the lifter 32 to rotate.

The lifter 32 and the rotary driver 31 in the lifting and rotating mechanism 30 of the present application may also be matched as follows, the end of the output shaft of the rotary driver 31 is provided with the first matching portion 33, and the telescopic end of the lifter 32 is connected with the rotary driver 31 for driving the rotary driver 31 to move up and down, so that a belt transmission assembly is not needed, and those skilled in the art can make appropriate conversion design based on this without limitation.

Further, in order to make the control more intelligent and convenient to operate, the control system also comprises the control. The controller is electrically connected with the lifting and rotating mechanism 30, the clamping mechanism 10 and the torsion sensor 5. The controller may be a plc controller or a microprocessor, and the like, and is not particularly limited.

The detection process of the application is as follows:

1, placing the to-be-detected dual-mass flywheel 6 on a positioning tool 42 of a tray 41 in a mode that a main flywheel faces upwards and an auxiliary flywheel faces downwards, and then placing the tray 41 on a production line.

2, when the tray 41 is conveyed to a designated position along the production line, the lifting and rotating mechanism 30 is started, and the dual-mass flywheel 6 to be detected stably and slowly moves upwards under the action of the lifting and rotating mechanism 30.

3, when the dual-mass flywheel 6 to be detected ascends and moves to a specified position, the hydraulic pump 21 starts to drive the hydraulic rotating motor to rotate under the action of the motor/hydraulic machine 22, the hydraulic rotating motor drives the clamping jaws 12 to move in the furling direction through the gear transmission assembly, the main flywheel side of the dual-mass flywheel 6 to be detected is clamped until the clamping force reaches the set oil pressure value, and due to the clamping effect of the clamping jaws 12, the dual-mass flywheel 6 to be detected does not bear the weight of the main flywheel side in the vertical direction.

And 4, driving the rotary driver 31, driving the lifter 32 to rotate through the belt transmission assembly, and simultaneously acquiring the damping torque detected by the torque sensor 5 and outputting a numerical record.

The above detailed description is provided for the damping torque detection device of an automotive dual mass flywheel, and for those skilled in the art, the specific implementation manner and the application range may be changed according to the idea of the embodiment of the present application.

Claims

1. The utility model provides a damping torque detection device of car dual mass flywheel which characterized in that includes:

2. The apparatus for detecting damping torque of dual mass flywheel of vehicle as claimed in claim 1, wherein said supporting mechanism comprises:

a tray;

3. The damping torque detection device of an automotive dual mass flywheel of claim 2, characterized in that the clamping mechanism is a hydraulic clamping mechanism comprising:

a hydraulic gripper;

and the hydraulic pump is connected with the hydraulic mechanical claw and is used for driving the clamping action of the hydraulic mechanical claw.

4. The damping torque detection device for the dual mass flywheel of the automobile according to claim 3, wherein the hydraulic gripper comprises:

a housing;

5. The apparatus for detecting damping torque of an automotive dual mass flywheel according to claim 4, wherein each of said clamping jaws comprises:

6. The damping torque detection device of the automobile dual-mass flywheel as claimed in claim 5, wherein a pressing block is connected to one end of each second claw arm far away from the first claw arm;

7. The damping torque detection device of the automobile dual mass flywheel according to claim 6, wherein a connecting block is convexly arranged on one end face of the second claw arm far away from the first claw arm;

the through hole is connected with the threaded hole through a bolt.

8. The damping torque detection device of the automobile dual-mass flywheel of claim 6, wherein anti-skid lines are arranged on the arc-shaped surface or an anti-skid pad is paved on the arc-shaped surface.

9. The damping torque detection device for the dual mass flywheel of the automobile according to claim 1, wherein the lifting and rotating mechanism comprises:

the supporting mechanism is provided with a second matching part, the first matching part and the second matching part are in separable fit in the telescopic direction of the lifter, and the first matching part and the second matching part can be in synchronous rotating fit;

the lifter is a mandril cylinder;

10. The damping torque detection device for the dual mass flywheel of the vehicle as claimed in claim 9, further comprising: