CN110828204A - Clutch device and electric pressure plate using same - Google Patents
Clutch device and electric pressure plate using same Download PDFInfo
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- CN110828204A CN110828204A CN201911259956.2A CN201911259956A CN110828204A CN 110828204 A CN110828204 A CN 110828204A CN 201911259956 A CN201911259956 A CN 201911259956A CN 110828204 A CN110828204 A CN 110828204A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/227—Interlocked hand- and power-operating mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- Power Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
A clutch device comprises a clutch shaft and a transmission shaft, wherein the clutch shaft is used for being axially and fixedly connected with a pressure plate handle of an electric pressure plate, the transmission shaft is used for being axially and fixedly connected with an output shaft of a motor of the electric pressure plate, and the clutch shaft and the transmission shaft are axially and movably clamped; a clutch groove is formed in one end, facing the transmission shaft, of the clutch shaft, a sliding block is arranged at one end, facing the clutch shaft, of the transmission shaft, the sliding block is assembled in the clutch groove in a sliding mode, one side end of the sliding block is attached to one inner side wall of the clutch groove, and a stroke groove used for non-transmission operation of the sliding block is formed between the other side end of the sliding block and the other inner side wall of the clutch groove; the clutch groove is arranged in a surrounding manner by taking the center of the clutch shaft as a circle center, the sliding block runs along the clutch groove, and the sliding block takes the circle center of the clutch groove as a rotation center. The scheme can realize the integration of manual operation and electric operation of the electric power pressing plate.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a clutch device and a power pressing plate using the same.
Background
The power secondary operation loop is a link for interconnection and interaction of power secondary comprehensive automation equipment and a high-voltage switch operation mechanism, and the reliability of the secondary operation loop directly influences the reliability of power grid operation. And the electric pressure plate used by the secondary operation loop is an important factor influencing the reliability of the secondary operation loop. The power press plate is used to turn on or off a circuit. The throwing and retreating actions of the electric power pressing plate are operated by rotating the pressing plate handle, the current electric power pressing plate is either manually rotated by the pressing plate handle or is rotated by the pressing plate handle driven by a motor, the manual operation electric power pressing plate cannot realize the automation and the remote control of a secondary operation loop, and once the electric power pressing plate is in power failure or other power failures, the electric power pressing plate cannot rotate the pressing plate handle, so that the electric power pressing plate is out of control. Therefore, there is a need for a pressure plate with both electrical and manual controls to avoid the failure of controlling the secondary operation circuit when a power failure or other power failure occurs, but this complicates the structure of the secondary operation circuit and increases the cost. It is highly desirable to produce an electrically powered platen having both manual and motorized operation to address the above problems.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide a clutch device and an electric pressure plate using the same, which can electrically control the operation of the pressure plate handle to be switched on and off, and can also manually control the operation of the pressure plate handle to be switched on and off, so as to integrate the manual operation and the electric operation of the electric pressure plate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a clutch device comprises a clutch shaft and a transmission shaft, wherein the clutch shaft is used for being axially and fixedly connected with a pressure plate handle of an electric pressure plate, the transmission shaft is used for being axially and fixedly connected with an output shaft of a motor of the electric pressure plate, and the clutch shaft and the transmission shaft are axially and movably clamped;
a clutch groove is formed in one end, facing the transmission shaft, of the clutch shaft, a sliding block is arranged at one end, facing the clutch shaft, of the transmission shaft, the sliding block is assembled in the clutch groove in a sliding mode, one side end of the sliding block is attached to one inner side wall of the clutch groove, and a stroke groove used for non-transmission operation of the sliding block is formed between the other side end of the sliding block and the other inner side wall of the clutch groove;
the clutch groove is formed in a surrounding mode by taking the center of the clutch shaft as a circle center, the sliding block runs along the clutch groove, and the sliding block takes the circle center of the clutch groove as a rotation center.
Preferably, the shapes of the two inner side walls of the clutch groove are matched with the shape of the sliding block.
Preferably, the manual rotation angle range of the clutch shaft is the same as the electric rotation angle range of the transmission shaft, and the electric rotation angle range of the transmission shaft is 0-45 °.
Preferably, the sliding block is a semi-cylinder, the shape of the clutch groove is 5/8 circles matched with the sliding block, the center of the clutch groove is located on the central axis of the clutch shaft, and the center of the sliding block is located on the central axis of the transmission shaft.
Preferably, the sliding block is cylindrical, and the clutch groove is an arc-shaped strip-shaped groove;
or the sliding block is cylindrical, two groups of sliding blocks and strip-shaped grooves are arranged, and the two groups of sliding blocks and the strip-shaped grooves are arranged in a mirror symmetry mode by taking the central shaft of the clutch shaft as a reference.
An electric power clamp plate comprises a clamp plate main body and a motor, wherein the clamp plate main body is provided with a clamp plate handle, the clamp plate main body is connected with the motor through a clutch device according to any one of claims 1 to 5, a clutch shaft of the clutch device is axially and fixedly connected with the clamp plate handle, a transmission shaft of the clutch device is axially and fixedly connected with an output shaft of the motor, and the clutch shaft is axially and movably clamped with the transmission shaft.
The pressing plate main body further comprises a pressing plate base, a handle rotating shaft is formed on one side, facing the pressing plate base, of the pressing plate handle, and the pressing plate base is provided with a handle rotating shaft mounting through hole for rotatably mounting the handle rotating shaft;
the front part and the rear part of the pressure plate base are respectively provided with a conductive component, and the openings of the two conductive components respectively face the outer side of the left side and the outer side of the right side;
the pressing plate handle is provided with a conductive element, two ends of the conductive element are respectively positioned at the front end part and the rear end part of the pressing plate handle, the pressing plate handle and the pressing plate base are staggered or overlapped in a horizontal rotation mode by taking a handle rotating shaft as a circle center, and when the pressing plate handle and the pressing plate base are in an overlapped state, two ends of the conductive element are respectively clamped into the two conductive parts; when the conductive parts are in the staggered state, two ends of each conductive element are not in contact with the two conductive parts.
Further, the shell comprises a shell main body, a pressure plate connecting pipe and a pressure plate connecting plate, wherein the shell main body is communicated with the pressure plate connecting plate through the pressure plate connecting pipe, a device mounting cavity is arranged in the shell main body, and the device mounting cavity is communicated with the pressure plate connecting pipe;
the motor and the transmission shaft are arranged in the device installation cavity, the clutch shaft is positioned in the pressing plate connecting pipe, and the pressing plate connecting plate is fixedly connected with the pressing plate base.
Further, a first convex ring is formed on the transmission shaft along the circumferential direction, and a first groove is formed in the first convex ring along the radial direction;
the electric pressure plate further comprises two position detection sensors, the two position detection sensors are oppositely arranged in the device installation cavity of the shell main body, the two position detection sensors are arranged close to two sides of the first convex ring along the radial direction of the first convex ring, and the detection ends of the position detection sensors face the first convex ring;
when the motor does not rotate, the first groove of the transmission shaft is positioned on the symmetry axis of the two position detection sensors;
or, the transmission shaft is formed with a first convex ring along the circumferential direction, and the first convex ring is provided with a first groove along the radial direction;
the electric pressure plate also comprises a transceiving sensor, the transceiving sensor comprises a transmitting part and a receiving part which are oppositely arranged, the transceiving sensors are arranged in an annular array by taking the center of the first convex ring as a reference, and the transmitting part and the receiving part are respectively positioned above and below the first convex ring;
when the first groove rotates to pass through the transceiving sensor, the signal transmitted by the transmitting part at the corresponding position passes through the first groove of the receiving part and then is received by the corresponding receiving part;
when the motor does not rotate, the transceiver sensor arranged at the corresponding position is in a communication state, and then a signal for determining the rotation in place is sent.
Furthermore, the pressing plate main body further comprises a connecting shaft, one end of the connecting shaft is fixedly connected with the handle rotating shaft of the pressing plate handle in the axial direction, and the other end of the connecting shaft is fixedly connected with the clutch shaft in the axial direction.
The invention has the beneficial effects that: the clutch device is applied to the electric pressure plate, so that the electric pressure plate can electrically control the operation of the pressure plate handle to be switched on and switched off, and can also manually control the operation of the pressure plate handle to be switched on and switched off, and the integration of manual operation and electric operation of the electric pressure plate is realized. The clutch shaft in the clutch device is fixedly connected with the pressure plate handle in the axial direction, so that the rotation of the clutch shaft can drive the pressure plate handle to rotate, namely, the throw-in and retreat actions of the pressure plate handle are realized through the rotation of the clutch shaft; the transmission shaft is axially and fixedly connected with an output shaft of the motor, one side end of a sliding block of the motor driving transmission shaft always abuts against one inner side wall of the clutch groove to rotate, namely the sliding block and the clutch groove are kept combined to further drive the clutch shaft to rotate, the motor performs reset action after rotating every time, and the operation and the retreat action of the electric control pressing plate handle are realized; a stroke groove used for non-transmission operation of the sliding block is arranged between the other side end of the sliding block and the other inner side wall of the clutch groove, so that the clutch groove can rotate relative to the sliding block, the clutch shaft is manually rotated towards one inner side wall of the clutch groove until the other inner side wall of the clutch groove is attached to the other side end of the sliding block, and one throwing action (or withdrawing action) is manually completed; then, the clutch shaft is manually rotated in a reverse direction until one inner side wall of the clutch groove is attached to one side end of the sliding block, and a retreating action (or a throwing action) is manually completed, so that the throwing and retreating actions of the pressing plate handle are manually controlled.
Drawings
FIG. 1 is a schematic structural diagram of a clutch device according to one embodiment of the present invention;
FIG. 2 is a state diagram of a clutch device according to one embodiment of the present invention;
FIG. 3 is a schematic diagram of a clutch segment according to one embodiment of the present invention;
FIG. 4 is a schematic view of a mounting segment configuration of one embodiment of the present invention;
FIG. 5 is a schematic view of a drive shaft configuration according to one embodiment of the present invention;
FIG. 6 is an illustration of the electrical operating principle of one embodiment of the present invention;
FIG. 7 is a diagram illustrating the principle of manual operation of one embodiment of the present invention;
FIG. 8 is a schematic diagram of an electrical platen configuration in accordance with one embodiment of the present invention;
FIG. 9 is a top view of an electrical platen according to one embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a housing body according to one embodiment of the present invention;
FIG. 11 is a schematic view of the internal structure of an electrical platen according to one embodiment of the present invention;
FIG. 12 is a schematic view of a connecting shaft structure according to one embodiment of the present invention;
FIG. 13 is a schematic view of a detent slot configuration in accordance with one embodiment of the present invention;
FIG. 14 is a schematic view of a platen handle configuration in accordance with one embodiment of the present invention;
FIG. 15 is a top view of an electrical platen according to one embodiment of the present invention;
FIG. 16 is a schematic top view of a slider and clutch recess configuration according to one embodiment of the present invention;
fig. 17 is a structural diagram of a top view of a slider and a clutch recess according to another embodiment of the present invention.
Wherein: a clutch shaft 1; a clutch recess 11; a clutch recess 111; a mounting hole 12; a clutch section 13; a mounting section 14; a first rotation stop section 121; a transmission shaft 2; a slider 21; a first male ring 22; a first groove 221; a platen body 3; a platen handle 31; a handle rotation shaft 311; a third rotation stop surface 312; a first positioning groove 313; a second positioning groove 314; a conductive sheet 315; a platen base 32; a connecting shaft 33; a second rotation stop surface 331; rotation stop slits 332; a fourth rotation stop surface 333; a second male ring 334; a connecting through-hole 30; ball screws 34; a conductive member 35; a conductive ring 351; a conductive notch 3511; a fixing nut 352; a wire pressing screw 353; a motor 4; an output shaft 41 of the motor 4; a housing 5; a housing main body 51; a device mounting chamber 511; a motor positioning post 512; a platen connection pipe 52; a clutch fixed section 521; a shaft connection section 522; a platen connecting plate 53; a cover 54; an observation notch 541; a position detection sensor 6; a motor mounting base 7; motor positioning hole 71, and transceiver sensor a.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The clutch device of the present embodiment, as shown in fig. 1 and fig. 2, includes a clutch shaft 1 and a transmission shaft 2, wherein the clutch shaft 1 is used for being axially fixedly connected with a pressure plate handle 31 of an electric pressure plate, the transmission shaft 2 is used for being axially fixedly connected with an output shaft 41 of a motor 4 of the electric pressure plate, and the clutch shaft 1 and the transmission shaft 2 are axially movably clamped;
as shown in fig. 3, a clutch groove 11 is provided at one end of the clutch shaft 1 facing the transmission shaft 2, as shown in fig. 5, a slider 21 is provided at one end of the transmission shaft 2 facing the clutch shaft 1, the slider 21 is slidably fitted in the clutch groove 11, and one side end of the slider 21 is attached to one inner side wall of the clutch groove 11, as shown in fig. 6 and 7, a travel groove for non-transmission operation of the slider 21 is provided between the other side end of the slider 21 and the other inner side wall of the clutch groove 11;
the clutch groove 11 is circumferentially formed by taking the center of the clutch shaft 1 as a circle center, the sliding block 21 runs along the clutch groove 11, and the sliding block 21 takes the circle center of the clutch groove 11 as a rotation center.
The clutch device is applied to the electric pressure plate, so that the electric pressure plate can electrically control the operation of the pressure plate handle 31 in a throwing and withdrawing manner, and can also manually control the operation of the pressure plate handle 31 in a throwing and withdrawing manner, and the integration of manual operation and electric operation of the electric pressure plate is realized. The clutch shaft 1 and the pressure plate handle 31 in the clutch device are axially and fixedly connected, so that the rotation of the clutch shaft 1 can drive the pressure plate handle 31 to rotate, namely, the operation of throwing and retreating the pressure plate handle 31 is realized through the rotation of the clutch shaft 1; the transmission shaft 2 is axially and fixedly connected with an output shaft 41 of the motor 4, the motor 4 drives one side end of a sliding block 21 of the transmission shaft 2 to always abut against one inner side wall of the clutch groove 11 to rotate, namely, the sliding block 21 and the clutch groove 11 are kept combined to further drive the clutch shaft 1 to rotate, and the motor 4 executes reset action after rotating every time to realize the operation and the retreat action of the electric control pressing plate handle 31; a stroke groove 111 for non-transmission operation of the sliding block 21 is arranged between the other side end of the sliding block 21 and the other inner side wall of the clutch groove 11, so that the clutch groove 11 can rotate relative to the sliding block 21, the clutch shaft 1 is manually rotated towards the inner side wall of the clutch groove 11 until the other inner side wall of the clutch groove 11 is attached to the other side end of the sliding block 21, and a throwing action (or a retreating action) is manually completed; then, the clutch shaft 1 is manually rotated in a reverse direction until an inner side wall of the clutch groove 11 is attached to one side end of the slider 21, and a retreating action (or a throwing action) is manually completed, so that the throwing and retreating actions of the pressing plate handle 31 are manually controlled.
Preferably, the shapes of both inner side walls of the clutch recess 11 are matched with the shape of the slider 21. Therefore, when the pressing plate handle 31 is electrically operated, the sliding block 21 and the clutch groove 11 are always kept combined, and the transmission shaft 2 is ensured to drive the clutch shaft 1 to rotate electrically.
Preferably, the manual rotation angle range of the clutch shaft 1 is the same as the electric rotation angle range of the transmission shaft 2. The manual rotation angle range of the clutch shaft 1 is the rotation angle range of the clutch shaft 1 axially rotating in a manual mode, and the electric rotation angle of the transmission shaft 2 is the rotation angle range of the transmission shaft 2 axially rotating in an electric mode. The size of the travel groove 111 of the clutch groove 11 is set to make the manual rotation angle range of the clutch shaft 1 the same as the electric rotation angle range of the transmission shaft 2, thereby ensuring that the pressing plate handle 31 is rotated electrically or manually, and the pressing plate handle 31 can be accurately rotated to the working position in the throwing state and the working position in the retreating state.
Preferably, the electric rotation angle range of the transmission shaft 2 is 0 to 45 °. Namely, when the motor 4 drives the transmission shaft 2 to rotate for 45 degrees, the pressure plate handle 31 is in a working position in a throwing state or a working position in a withdrawing state; similarly, when the clutch shaft 1 is driven by hand to rotate by 45 degrees, the pressure plate handle 31 is in the working position in the throwing state or the working position in the retreating state.
Preferably, as shown in fig. 3 and 5, the sliding block 21 is a semi-cylinder, the shape of the clutch recess 11 is 5/8 circles matched with the sliding block 21, the center of the clutch recess 11 is located on the central axis of the clutch shaft 1, and the center of the sliding block 21 is located on the central axis of the transmission shaft 2.
The semi-cylindrical sliding blocks 21 are matched with the 5/8 circular clutch grooves 11, so that friction during rotation can be reduced, and labor is saved and smooth operation is realized. As shown in fig. 6 and 7, the clutch device specifically works as follows:
the original state is defined as that the left side end of the sliding block 21 of the transmission shaft 2 is attached to the left inner side wall of the clutch groove 11, an 1/8 circular stroke groove 111 is reserved between the right side end of the sliding block 21 and the right inner side wall of the clutch groove 11, and the pressure plate handle 31 is in the working position in the throwing state.
The electric driving pressing plate handle 31 executes retreating, namely, in an original state, the motor 4 drives the transmission shaft 2 to rotate clockwise by 45 degrees, so that the clutch shaft 1 is driven to rotate clockwise by 45 degrees, and the pressing plate handle 31 is in a retreating state working position; then the motor 4 executes the reset action, namely rotates 45 degrees counterclockwise, at this time, the right side end of the sliding block 21 is attached to the right inner side wall of the clutch groove 11, and an 1/8 circular stroke groove 111 is reserved between the left side end of the sliding block 21 and the left inner side wall of the clutch groove 11.
The electric driving pressing plate handle 31 performs throwing action, namely when the pressing plate handle 31 is in a retreating state working position, the motor 4 drives the transmission shaft 2 to rotate 45 degrees anticlockwise, so that the clutch shaft 1 is driven to rotate 45 degrees anticlockwise, and the pressing plate handle 31 is in a retreating state working position; then the motor 4 executes the reset action, namely rotates clockwise 45 degrees, at this time, the left side end of the sliding block 21 is attached to the left inner side wall of the clutch groove 11, and an 1/8 circular stroke groove 111 is reserved between the right side end of the sliding block 21 and the right inner side wall of the clutch groove 11, so as to restore the original state.
The pressing plate handle 31 is driven manually to perform retreating, the pressing plate handle 31 is rotated by 45 degrees clockwise in the original state, so that the clutch shaft 1 is driven to rotate by 45 degrees clockwise, the pressing plate handle 31 is located at the retreating state working position, the right side end of the sliding block 21 is attached to the right inner side wall of the clutch groove 11, and an 1/8 circular stroke groove 111 is reserved between the left side end of the sliding block 21 and the left inner side wall of the clutch groove 11.
When the pressing plate handle 31 is driven manually to perform the throwing action, the pressing plate handle 31 is rotated 45 degrees anticlockwise so as to drive the clutch shaft 1 to rotate 45 degrees anticlockwise, the pressing plate handle 31 is in the throwing state working position, the left side end of the sliding block 21 is attached to the left inner side wall of the clutch groove 11 at the moment, and an 1/8 circular stroke groove 111 is reserved between the right side end of the sliding block 21 and the right inner side wall of the clutch groove 11.
The sliding block is cylindrical, and the clutch groove is an arc-shaped strip-shaped groove;
in another embodiment, as shown in fig. 16, the slider has a cylindrical shape, and the engaging and disengaging groove has an arc-shaped strip groove.
In another embodiment, as shown in fig. 17, two sets of the sliding blocks and the strip-shaped grooves are arranged, and the two sets of the sliding blocks and the strip-shaped grooves are arranged in a mirror symmetry manner by taking the central line of the clutch shaft as a reference.
Set up two sets of sliders and bar recess, can disperse the load that single slider received to two sliders effectively, such structure has better reliability, makes equipment have longer life.
Preferably, an electric pressure plate, as shown in fig. 2, includes a pressure plate main body 3 and a motor 4, the pressure plate main body 3 is provided with a pressure plate handle 31, the pressure plate main body 3 is connected with the motor 4 through the clutch device, a clutch shaft 1 of the clutch device is axially fixedly connected with the pressure plate handle 31, a transmission shaft 2 of the clutch device is axially fixedly connected with an output shaft 41 of the motor 4, and the clutch shaft 1 and the transmission shaft 2 are axially movably clamped. Of course, the above-mentioned functions can be achieved by attaching the transmission shaft 2 of the clutch device to the platen handle 31 and attaching the clutch shaft 1 to the output shaft of the motor 4, and therefore, merely exchanging the attachment positions of the transmission shaft 2 and the clutch shaft belongs to substantially the same technical solutions and is within the scope of protection of the present patent. The electric pressure plate is provided with the clutch device on the pressure plate main body 3 and the motor 4, so that the electric pressure plate can electrically control the operation of the pressure plate handle 31 in a throwing and withdrawing way and can also manually control the operation of the pressure plate handle 31 in a throwing and withdrawing way, and the integration of the manual operation and the electric operation of the electric pressure plate is realized.
Preferably, as shown in fig. 2, the pressing plate main body 3 further includes a pressing plate base 32, a handle rotating shaft 311 is formed on one side of the pressing plate handle 31 facing the pressing plate base 32, and as shown in fig. 11, the pressing plate base 32 is provided with a handle rotating shaft mounting through hole for rotatably mounting the handle rotating shaft;
the front part and the rear part of the pressure plate base 32 are respectively provided with a conductive component 35, and the openings of the two conductive components 35 are respectively towards the left outer side and the right outer side;
the pressing plate handle 31 is provided with a conductive element, two ends of the conductive element are respectively positioned at the front end part and the rear end part of the pressing plate handle, the pressing plate handle and the pressing plate base are staggered or overlapped in a horizontal rotation mode by taking a handle rotating shaft as a circle center, and when the pressing plate handle and the pressing plate base are in an overlapped state, two ends of the conductive element are respectively clamped into the two conductive parts; when the conductive parts are in the staggered state, two ends of each conductive element are not in contact with the two conductive parts. Therefore, the clutch shaft 1 is linked with the pressure plate handle 31 through the handle rotating shaft 311, and the clutch shaft 1 is rotated to drive the handle rotating shaft 311 to rotate, so that the pressure plate handle 31 is driven to rotate relative to the pressure plate base 32, and the throwing and withdrawing actions of the pressure plate handle 31 are realized.
Preferably, as shown in fig. 8, the electronic device further comprises a housing 5, wherein the housing 5 comprises a housing main body 51, a pressure plate connecting pipe 52 and a pressure plate connecting plate 53, the housing main body 51 is communicated with the pressure plate connecting plate 53 through the pressure plate connecting pipe 52, a device mounting cavity 511 is arranged inside the housing main body 51, and as shown in fig. 9 and 10, the device mounting cavity 511 is communicated with the pressure plate connecting pipe 52;
the motor 4 and the transmission shaft 2 are arranged in the device installation cavity 511, the clutch shaft 1 is positioned in the pressure plate connecting pipe 52, and the pressure plate connecting plate 53 is fixedly connected with the pressure plate base 32. The clutch device and the motor 4 are encapsulated and protected by the housing 5 from damage.
As shown in fig. 9, the electric pressure plate further includes two position detection sensors 6, two position detection sensors 6 are oppositely mounted to the device mounting cavity 511 of the housing main body 51, and two position detection sensors are disposed near both sides of the first convex ring 22 in the radial direction of the first convex ring 22, and the detection end of the position detection sensor 6 faces the first convex ring 22; the position detection sensor is a reed switch or a hall sensor, and when the hall sensor is adopted, a magnetic sheet/block is arranged at the position of the first groove 221.
When the motor 4 is not rotated, the first groove 221 of the transmission shaft 2 is located on the symmetry axis of the two position detection sensors 6.
Or, the transmission shaft is formed with a first convex ring 22 along the circumferential direction, and the first convex ring 22 is provided with a first groove 221 along the radial direction;
the electric pressure plate further comprises a transceiving sensor A, the transceiving sensor A comprises a transmitting part and a receiving part which are oppositely arranged, the transceiving sensors are arranged in an annular array by taking the center of the first convex ring 22 as a reference, and the transmitting part and the receiving part are respectively positioned above and below the first convex ring 22;
when the first groove 221 rotates to pass through the transceiver sensor, the signal transmitted by the transmitting part at the corresponding position passes through the first groove 221 of the receiving part and then is received by the corresponding receiving part;
when the motor does not rotate, the transceiver sensor arranged at the corresponding position is in a communication state, and then a signal for determining the rotation in place is sent. The transceiving sensor in the scheme is an infrared geminate transistor sensor.
The position detection sensor 6 is used for detecting the rotation angle of the transmission shaft 2 to control the operation of the motor 4, when the motor 4 drives the transmission shaft 2 to rotate until the first groove 221 is opposite to the position detection sensor 6, the distance data detected by the position detection sensor 6 changes to generate an induction signal, the output shaft 41 of the motor 4 stops rotating continuously along the direction and rotates in the opposite direction to reset, and the pressing plate handle 31 is located at a throwing state working position or a withdrawing state working position. The position detection sensor is an infrared tube-to-tube sensor.
The pressing plate main body further comprises a connecting shaft, one end of the connecting shaft is fixedly connected with the handle rotating shaft of the pressing plate handle in the axial direction, and the other end of the connecting shaft is fixedly connected with the clutch shaft in the axial direction.
This scheme is through setting up the connecting axle, makes clamp plate handle 31 can assemble with clutch, has adopted the structure of segmentation, makes the device be favorable to production and assembly.
Preferably, as shown in fig. 4, a mounting hole 12 is formed in the middle of the other end of the clutch shaft 1 facing the connecting shaft 33, and the mounting hole 12 is a circular hole with two opposite first rotation stop tangent planes 121 on the circular arc surface;
as shown in fig. 12, the connecting shaft 33 is a cylinder, two opposite second rotation stopping tangent planes 331 matching with the mounting hole 12 are provided at the other end of the connecting shaft 33 facing the clutch shaft 1, and the other end of the connecting shaft 33 is inserted into the mounting hole 12 of the clutch shaft 1 and matches with the mounting hole 12.
The other end of the connecting shaft 33 is matched with the mounting hole 12 to realize the axial connection of the clutch shaft 1 and the connecting shaft 33 into a whole, and the first rotation stopping tangent plane 121 in the mounting hole 12 is matched with the second rotation stopping tangent plane 331 on the connecting shaft 33, so that the clutch shaft 1 and the connecting shaft 33 are prevented from rotating relatively, and the accuracy and the reliability of the throwing and withdrawing actions of the electric power pressing plate are improved.
Preferably, as shown in fig. 14, the handle rotating shaft 311 is a cylinder, and one end of the handle rotating shaft 311 facing the connecting shaft 33 is provided with two opposite third rotation stopping tangent planes 312;
as shown in fig. 13, a rotation stopping slot 332 is formed in a middle portion of one end of the connecting shaft 33 facing the handle rotation shaft 311, opposite two sides of a slot wall of the rotation stopping slot 332 penetrate through the rotation stopping slot, opposite two sides of the other slot wall of the rotation stopping slot 332 are formed as fourth rotation stopping slots 333, and one end of the handle rotation shaft 311 is inserted into the rotation stopping slot 332 of the connecting shaft 33 and is engaged with the rotation stopping slot 332.
One end of the handle rotating shaft 311 is matched with the rotation stopping cutting groove 332, and the fourth rotation stopping cutting surface 333 in the rotation stopping cutting groove 332 is matched with the third rotation stopping cutting surface 312 on the handle rotating shaft 311, so that the relative rotation between the handle rotating shaft 311 and the connecting shaft 33 is avoided, and the accuracy and the reliability of the throwing and withdrawing actions of the electric power pressing plate are improved.
Preferably, as shown in fig. 11, the pressing plate main body 3 further includes a wave ball screw 34, a first positioning groove 313 and a second positioning groove 314 are circumferentially disposed on a side wall of the other end of the handle rotating shaft 311, and as shown in fig. 14, the first positioning groove 313 and the second positioning groove 314 are on the same circle;
the wave ball screw 34 is mounted in the pressure plate base 32;
when the pressing plate handle 31 is in the working position in the throwing state, the marble of the marble screw 34 is clamped into the first positioning groove 313; when the pressure plate handle 31 is in the working position of the retreated state, the marble of the marble screw 34 is clamped into the second positioning groove 314.
The bead screw 34 locks the handle rotation shaft 311 by pressing the bead against the handle rotation shaft 311. For example, when the pressing plate handle 31 is switched from the throwing state working position to the retreating state working position, the handle rotating shaft 311 rotates clockwise, the marble of the marble screw 34 comes out of the first positioning groove 313 and abuts against the side wall of the handle rotating shaft 311, so as to generate pressure on the pressing plate handle 31, and the pressing plate handle 31 can be sensed when the pressing plate handle 31 is manually rotated; when the handle rotating shaft 311 rotates clockwise to 45 °, the marble of the marble screw 34 is clamped into the second positioning groove 314, the pressure is weakened when the pressing plate handle 31 is manually rotated, and resistance is generated if the pressing plate handle 31 continues to rotate clockwise, so that a prompt that the pressing plate handle 31 reaches the working position in the retreated state is generated. And the marble of the wave ball screw 34 is clamped into the first positioning groove 313 or the second positioning groove 314 to generate resistance to the further rotation of the handle rotating shaft 311, so that the pressing plate handle 31 can be kept at the retreating state working position or the throwing state working position for a long time, and power system accidents such as mistaken throwing, mistaken retreating or deviation of the working position and the like caused by looseness of the pressing plate handle 31 are avoided.
Preferably, the central angle between the first and second positioning grooves 313 and 314 is 45 °. The maximum rotation angle of the pressing plate handle 31 is determined, that is, the pressing plate handle 31 needs to rotate 45 degrees when the working position of the throwing state and the working position of the withdrawing state are switched, and the central angle between the first positioning groove 313 and the second positioning groove 314 is 45 degrees.
Preferably, two wave ball screws 34 are provided, the handle rotating shaft 311 is provided with two first positioning grooves 313 and two second positioning grooves 314, the two first positioning grooves 313 and the two second positioning grooves 314 are on the same circle, the two first positioning grooves 313 are oppositely arranged, the two second positioning grooves 314 are oppositely arranged, and the two wave ball screws 34 are oppositely arranged. The positioning effect on the pressing plate handle 31 is improved through the matching of the wave ball screws 34, the first positioning groove 313 and the second positioning groove 314 which are opposite in pairs.
Preferably, as shown in fig. 3 and 4, the clutch shaft 1 is composed of a clutch section 13 and a mounting section 14, the clutch section 13 is located at one end of the clutch shaft 1, the mounting section 14 is located at the other end of the clutch shaft 1, the radius of the clutch section 13 is greater than that of the mounting section 14, the clutch recess 11 is arranged on the clutch section 13, and the mounting hole 12 is arranged on the mounting section 14;
as shown in fig. 9, the pressing plate connecting pipe 52 is composed of a clutch fixing section 521 and a rotating shaft connecting section 522, the clutch fixing section 521 is communicated with the housing main body 51, the rotating shaft connecting section 522 is communicated with the pressing plate connecting plate 53, the radius of the clutch fixing section 521 is greater than that of the rotating shaft connecting section 522, and the radius of the rotating shaft connecting section 522 is less than that of the clutch section 13 of the clutch shaft 1;
the clutch section 13 of the clutch shaft 1 is sleeved in the clutch fixing section 521 of the pressure plate connecting pipe 52, and the mounting section 14 of the clutch shaft 1 is sleeved in the rotating shaft connecting section 522 of the pressure plate connecting pipe 52.
Therefore, the clutch section 13 of the clutch shaft 1 is clamped and sleeved in the clutch fixing section 521 of the pressure plate connecting pipe 52, and the clutch shaft 1 is connected by matching the transmission shaft 2 and the connecting shaft 33, so that the clutch shaft 1 is limited, and the clutch shaft 1 is prevented from moving along the axial direction.
Preferably, as shown in fig. 12, the connecting shaft 33 is formed with a second protruding ring 334 along the circumferential direction, the second protruding ring 334 is connected with the second rotation stop surface 331, and the radius of the second protruding ring 334 is equal to the radius of the mounting section 14 of the clutch shaft 1. When the other end of the connecting shaft 33 is engaged with the mounting hole 12, the second protruding ring 334 connected with the second rotation-stopping tangent plane 331 is just attached to the other end of the clutch shaft 1, so as to be matched with the transmission shaft 2 to fix the clutch shaft 1, thereby limiting the clutch shaft 1 and preventing the clutch shaft 1 from moving along the axial direction.
Preferably, as shown in fig. 9, the device further includes a motor mounting seat 7, the motor mounting seat 7 is fixed in the device mounting cavity 511 of the housing main body 51, and the motor 4 is mounted on the motor mounting seat 7;
as shown in fig. 9 and 10, the device installation cavity 511 is provided with a plurality of motor positioning pillars 512, the motor installation base 7 is provided with corresponding motor positioning holes 71, and the motor positioning holes 71 are sleeved on the corresponding motor positioning pillars 512. The motor positioning holes 71 are sleeved on the corresponding motor positioning columns 512 to fix the motor mounting seat 7, so that the motor 4 mounted on the motor mounting seat 7 is prevented from shifting or vibrating greatly, and further the transmission shaft 2 is prevented from being damaged.
Preferably, as shown in fig. 8, the housing 5 further includes a cover 54, the top of the housing main body 51 is open, the pressure plate connecting pipe 52 is communicated with one side surface of the housing main body 51, and the cover 54 covers the top of the housing main body 51; the cover 54 is provided with an observation notch 541, and the observation notch 541 is opposite to the transmission shaft 2. The cover 54 is provided to facilitate maintenance of the devices mounted inside the housing main body 51, and it is more convenient to observe whether the rotation of the transmission shaft 2 is in place and the conditions of the slider 21 and the clutch recess 11 without opening the cover 54 through the observation notch 541.
Preferably, as shown in fig. 2, the pressing plate main body 3 further includes two sets of conductive parts 35 fixed on the pressing plate base 32, and the two sets of conductive parts 35 are located at two sides of the handle rotating shaft mounting through hole;
when the pressure plate handle 31 is in the working position of the throwing state, the two groups of conductive parts 35 are conducted with the conductive elements of the pressure plate handle 31; when the hold-down knob 31 is in the retracted operating position, the two sets of conductive members 35 are disconnected from the conductive elements of the hold-down knob 31.
Preferably, as shown in fig. 11, the conductive member 35 includes a conductive ring 351, a fixing nut 352 and two wire pressing screws 353, the two wire pressing screws 353 are connected with the fixing nut 352, and one end of the conductive ring 351 is connected with one of the wire pressing screws 353;
the side wall of the conductive ring 351 is provided with conductive notches 3511 penetrating through two ends of the conductive ring 351, and two ends of the conductive element are bent towards the direction of the pressing plate base 32 to form a conductive sheet 315;
when the pressing plate handle 31 is in the operating position in the throwing state, the conducting strip 315 of the conducting element is clamped into the conducting ring 351 from the conducting notch 3511 and contacts with the conducting ring 351; when the platen handle 31 is in the retracted operating position, the conductive portion 315 of the conductive member exits the conductive notch 3511 and is separated from the conductive ring 351.
The conducting ring 351 is mounted on the pressing plate base 32 through the fixing nut 352 and the pressing line screw 353, and the conducting sheet 315 of the conducting element is clamped into or separated from the conducting ring 351 through the conducting notch 3511 when the pressing plate handle 31 rotates, so that the connection and disconnection are realized; with the conducting structure of the point and face contact that current conducting rod and conducting strip formed, this application forms face and face contact's conducting structure, has bigger electrically conductive area of contact, and the break-make is more reliable.
The clutch shaft 1 and the transmission shaft 2 are made of metal, and the reliability and the service life of the product can be effectively guaranteed by adopting the metal.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A clutch device, characterized in that: the clutch shaft is used for being axially and fixedly connected with a pressure plate handle of the electric pressure plate, the transmission shaft is used for being axially and fixedly connected with an output shaft of a motor of the electric pressure plate, and the clutch shaft is axially and movably clamped with the transmission shaft;
a clutch groove is formed in one end, facing the transmission shaft, of the clutch shaft, a sliding block is arranged at one end, facing the clutch shaft, of the transmission shaft, the sliding block is assembled in the clutch groove in a sliding mode, one side end of the sliding block is attached to one inner side wall of the clutch groove, and a stroke groove used for non-transmission operation of the sliding block is formed between the other side end of the sliding block and the other inner side wall of the clutch groove;
the clutch groove is formed in a surrounding mode by taking the center of the clutch shaft as a circle center, the sliding block runs along the clutch groove, and the sliding block takes the circle center of the clutch groove as a rotation center.
2. The clutched device of claim 1, wherein: the shapes of the two inner side walls of the clutch groove are matched with the shape of the sliding block.
3. The clutched device of claim 1, wherein: the manual rotation angle range of the clutch shaft is the same as the electric rotation angle range of the transmission shaft, and the electric rotation angle range of the transmission shaft is 0-45 degrees.
4. The clutched device of claim 1, wherein: the sliding block is a semi-cylinder, the shape of the clutch groove is 5/8 circles matched with the sliding block, the circle center of the clutch groove is located on the central axis of the clutch shaft, and the circle center of the sliding block is located on the central axis of the transmission shaft.
5. The clutched device of claim 1, wherein: the sliding block is cylindrical, and the clutch groove is an arc-shaped strip-shaped groove;
or, the slider is cylindric, the shape of separation and reunion recess is circular-arc bar recess, slider and bar recess are equipped with two sets ofly, and two sets ofly slider and bar recess use the center pin of separation and reunion axle as the benchmark, are mirror symmetry's mode setting.
6. The utility model provides an electric power clamp plate, includes clamp plate main part and motor, the clamp plate main part is equipped with the clamp plate handle, its characterized in that: the pressing plate main body is connected with the motor through the clutch device of any one of claims 1 to 5, a clutch shaft of the clutch device is axially and fixedly connected with the pressing plate handle, a transmission shaft of the clutch device is axially and fixedly connected with an output shaft of the motor, and the clutch shaft and the transmission shaft are axially and movably clamped.
7. The electric platen according to claim 6, wherein: the pressing plate main body further comprises a pressing plate base, a handle rotating shaft is formed on one side, facing the pressing plate base, of the pressing plate handle, and the pressing plate base is provided with a handle rotating shaft mounting through hole for rotatably mounting the handle rotating shaft;
the front part and the rear part of the pressure plate base are respectively provided with a conductive component, and the openings of the two conductive components respectively face the outer side of the left side and the outer side of the right side;
the pressing plate handle is provided with a conductive element, two ends of the conductive element are respectively positioned at the front end part and the rear end part of the pressing plate handle, the pressing plate handle and the pressing plate base are staggered or overlapped in a horizontal rotation mode by taking a handle rotating shaft as a circle center, and when the pressing plate handle and the pressing plate base are in an overlapped state, two ends of the conductive element are respectively clamped into the two conductive parts; when the conductive parts are in the staggered state, two ends of each conductive element are not in contact with the two conductive parts.
8. The electric pressure plate of claim 7, wherein the housing comprises a housing main body, a pressure plate connecting pipe and a pressure plate connecting plate, the housing main body and the pressure plate connecting plate are communicated through the pressure plate connecting pipe, a device mounting cavity is arranged inside the housing main body, and the device mounting cavity is communicated with the pressure plate connecting pipe;
the motor and the transmission shaft are arranged in the device installation cavity, the clutch shaft is positioned in the pressing plate connecting pipe, and the pressing plate connecting plate is fixedly connected with the pressing plate base.
9. The electric platen as recited in claim 8, wherein: the transmission shaft is provided with a first convex ring formed along the circumferential direction, and the first convex ring is provided with a first groove along the radial direction;
the electric pressure plate further comprises two position detection sensors, the two position detection sensors are oppositely arranged in the device installation cavity of the shell main body, the two position detection sensors are arranged close to two sides of the first convex ring along the radial direction of the first convex ring, and the detection ends of the position detection sensors face the first convex ring;
when the motor does not rotate, the first groove of the transmission shaft is positioned on the symmetry axis of the two position detection sensors;
or, the transmission shaft is formed with a first convex ring along the circumferential direction, and the first convex ring is provided with a first groove along the radial direction;
the electric pressure plate also comprises a transceiving sensor, the transceiving sensor comprises a transmitting part and a receiving part which are oppositely arranged, the transceiving sensors are arranged in an annular array by taking the center of the first convex ring as a reference, and the transmitting part and the receiving part are respectively positioned above and below the first convex ring;
when the first groove rotates to pass through the transceiving sensor, the signal transmitted by the transmitting part at the corresponding position passes through the first groove of the receiving part and then is received by the corresponding receiving part;
when the motor does not rotate, the transceiver sensor arranged at the corresponding position is in a communication state, and then a signal for determining the rotation in place is sent.
10. The electric platen as recited in claim 9, wherein: the pressing plate main body further comprises a connecting shaft, one end of the connecting shaft is fixedly connected with the handle rotating shaft of the pressing plate handle in the axial direction, and the other end of the connecting shaft is fixedly connected with the clutch shaft in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911259956.2A CN110828204A (en) | 2019-12-10 | 2019-12-10 | Clutch device and electric pressure plate using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911259956.2A CN110828204A (en) | 2019-12-10 | 2019-12-10 | Clutch device and electric pressure plate using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110828204A true CN110828204A (en) | 2020-02-21 |
Family
ID=69544416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911259956.2A Pending CN110828204A (en) | 2019-12-10 | 2019-12-10 | Clutch device and electric pressure plate using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110828204A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2618718A (en) * | 1949-10-31 | 1952-11-18 | Siemens Ag | High-speed electric switching apparatus |
| CN208890104U (en) * | 2018-07-27 | 2019-05-21 | 珠海优特电力科技股份有限公司 | Pressing plate automatic switching device |
| CN211125406U (en) * | 2019-12-10 | 2020-07-28 | 长园共创电力安全技术股份有限公司 | Clutch device and electric pressure plate using same |
-
2019
- 2019-12-10 CN CN201911259956.2A patent/CN110828204A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2618718A (en) * | 1949-10-31 | 1952-11-18 | Siemens Ag | High-speed electric switching apparatus |
| CN208890104U (en) * | 2018-07-27 | 2019-05-21 | 珠海优特电力科技股份有限公司 | Pressing plate automatic switching device |
| CN211125406U (en) * | 2019-12-10 | 2020-07-28 | 长园共创电力安全技术股份有限公司 | Clutch device and electric pressure plate using same |
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