CN114645966B - Manual hydraulic switching device for hydraulic valve driving device - Google Patents
Manual hydraulic switching device for hydraulic valve driving device Download PDFInfo
- Publication number
- CN114645966B CN114645966B CN202210394821.2A CN202210394821A CN114645966B CN 114645966 B CN114645966 B CN 114645966B CN 202210394821 A CN202210394821 A CN 202210394821A CN 114645966 B CN114645966 B CN 114645966B
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- CN
- China
- Prior art keywords
- handle
- oil duct
- mounting block
- positioning
- valve driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
- F16K31/143—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Abstract
The invention relates to a manual hydraulic switching device for a hydraulic valve driving device, which is provided with a hydraulic cylinder, wherein the hydraulic cylinder is provided with two working oil cavities, and comprises a mounting block, a handle, a rotating piece and a rotary positioning mechanism for fixing the position of the handle; the handle is positioned above the mounting block, the rotating piece is rotationally connected with the handle and the mounting block, a third oil duct is arranged in the rotating piece, a first oil duct and a second oil duct which are in convertible communication with the third oil duct are arranged in the mounting block, and the first oil duct and the second oil duct are correspondingly communicated with the two working oil cavities respectively; the rotary positioning mechanism is movably connected with the handle, and one end of the rotary positioning mechanism can be movably inserted on the mounting block to fix the position of the handle. When the manual mode is entered, the two working oil cavities of the hydraulic cylinder are communicated, no pressure difference exists, and the position of a piston in the hydraulic cylinder can be adjusted at will, so that the manual operation is more convenient; the device has ingenious structure, convenient and quick manual hydraulic switching and high reliability, and can ensure that the manual operation of the hydraulic valve driving device is more labor-saving.
Description
Technical Field
The invention relates to a hydraulic valve driving device, in particular to a manual hydraulic switching device for the hydraulic valve driving device.
Background
The valve driving device is used for operating and controlling the valve and is connected with the valve, and the valve driving device is used for saving labor, being convenient and rapid in operation or realizing automatic control or remote control. The hydraulic valve driving device drives the valve to rotate through hydraulic oil, and the existing hydraulic valve driving device is labor-consuming in manual operation due to pressure difference between two working oil cavities.
Therefore, how to provide a manual hydraulic switching device capable of saving manual operation of a hydraulic valve driving device is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a manual hydraulic switching device which can save labor for manual operation of a hydraulic valve driving device.
The technical scheme for solving the technical problems is as follows: a manual hydraulic switching device for a hydraulic valve driving device is provided with a hydraulic cylinder, wherein the hydraulic cylinder is provided with two working oil cavities, and comprises a mounting block, a handle, a rotating piece and a rotary positioning mechanism for rotating and positioning the position of the handle;
the handle is positioned above the mounting block and is rotationally connected with the handle and the mounting block through the rotating piece, a third oil duct is arranged in the rotating piece, a first oil duct and a second oil duct which are communicated with the third oil duct through the rotating piece in a convertible manner are arranged in the mounting block, and the first oil duct and the second oil duct are correspondingly communicated with the two working oil cavities respectively;
the rotary positioning mechanism is movably connected with the handle, and one end of the rotary positioning mechanism can be movably inserted on the mounting block to position the handle.
The beneficial effects of the invention are as follows: the handle is rotated to enable the third channel to be communicated with the first oil duct and the second oil duct, the handle is positioned through the rotary positioning mechanism, the hydraulic valve driving device enters a manual mode, at the moment, two working oil cavities of the hydraulic cylinder are communicated, no pressure difference exists, a piston in the hydraulic cylinder can be manually adjusted to any position, debugging, maintenance and the like are facilitated, and manual operation is facilitated; the handle is rotated, so that the third channel is disconnected from the first oil duct and the second oil duct, the handle is positioned through the rotary positioning mechanism, a hydraulic mode is achieved, at the moment, two working oil cavities of the hydraulic cylinder are disconnected and independent, the hydraulic cylinder can automatically adjust the position through hydraulic pressure, and the hydraulic cylinder returns to normal operation. The device has ingenious structure, convenient and quick manual hydraulic switching and high reliability, and can ensure that the manual operation of the hydraulic valve driving device is more labor-saving.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the rotary positioning mechanism comprises a movable block, a positioning shaft and an elastic piece, wherein a positioning hole is formed in the mounting block, the movable block is located above the handle, one end of the positioning shaft is connected to the movable block, the other end of the positioning shaft is movably inserted and limited in the handle, the elastic piece is arranged in the handle and sleeved on the positioning shaft, and the other end of the positioning shaft is movably inserted in the positioning hole.
The beneficial effects of adopting the further scheme are as follows: the locating shaft other end activity is spacing in the handle, makes the movable block shift up through applying external force, drives the locating shaft and shifts up, and the elastic component compresses, does not have the location between handle and the installation piece, can rotate the handle for third passageway and first oil duct and second oil duct intercommunication or disconnection, and the handle rotates in place, releases external force, and the movable block makes locating shaft cartridge at the locating hole under the effect of elastic component elasticity, location handle position.
Further, the locating shaft comprises a threaded connection section, a small-diameter portion and a large-diameter portion which are connected in sequence, the threaded connection section is in threaded connection with the movable block, the elastic piece is sleeved on the small-diameter portion, and the large-diameter portion is movably inserted into the locating hole.
The further scheme has the beneficial effects that the threaded connection is convenient to detach, and the positioning shaft is more convenient to replace; the large diameter portion is provided to prevent the handle from being pulled out.
Further, the end part of the large-diameter part is provided with the straight slot for screwing the threaded connecting section into the movable block, and the beneficial effect of adopting the further scheme is that the positioning shaft is conveniently screwed into the movable block.
Further, a first limit groove and a second limit groove for limiting the position of the movable block are formed in the handle, the first limit groove is parallel to the axis of the first oil duct, the second limit groove is perpendicular to the first limit groove, the depth of the second limit groove is larger than that of the first limit groove, the lower end of the movable block can be converted and placed in the first limit groove and the second limit groove, and the end part of the corresponding large-diameter part can be positioned in the handle or the positioning hole.
The beneficial effects of adopting the further scheme are as follows: when the movable block is arranged in the first limiting groove, the large-diameter part is in a natural state and is located in the handle, the handle can be rotated at the moment, when the handle reaches a preset position, the movable block is arranged in the second limiting groove, the large-diameter part protrudes out of the bottom surface of the handle in a natural state and can be inserted into the positioning hole, and at the moment, the handle cannot rotate, so that the reliability of operation is further improved.
Further, the locating holes comprise a first locating hole and a second locating hole, the connecting line of the first locating hole and the axis of the rotating piece is parallel to the axis of the first oil duct, and the connecting line of the second locating hole and the axis of the rotating piece is perpendicular to the axis of the first oil duct.
The beneficial effect of adopting above-mentioned further scheme is that when major diameter portion cartridge is in first locating hole, third oil duct and first oil duct, second oil duct intercommunication, and when major diameter portion cartridge was in the second locating hole, third oil duct and first oil duct, second oil duct disconnection.
Further, the handle is prevented from falling out by a nut which is in threaded connection with the rotating member.
The further scheme has the beneficial effect of preventing the handle from falling out of the rotating piece.
Further, a handle limiting groove for limiting the handle to move is formed in the mounting block.
The further scheme has the beneficial effects that when the handle rotates to the manual position or the hydraulic position, the handle is limited by the edge of the handle limiting groove and cannot rotate continuously, so that the convenience and the accuracy of operation are further improved.
Further, a manual identification patch is stuck to the mounting block at a position corresponding to the first positioning hole, and a hydraulic identification patch is stuck to the mounting block at a position corresponding to the second positioning hole.
The adoption of the further scheme has the beneficial effects of visualizing the mark and preventing errors.
Drawings
FIG. 1 is a schematic diagram of a manual hydraulic switching device for a hydraulic valve actuator of the present invention;
FIG. 2 is a cross-sectional view of a mounting block of the present invention;
FIG. 3 is a top view of a mounting block of the present invention;
FIG. 4 is a cross-sectional view of a rotor of the present invention;
FIG. 5 is a cross-sectional view of the handle of the present invention;
FIG. 6 is a top view of the handle of the present invention;
FIG. 7 is a front view of a movable block of the present invention;
FIG. 8 is a cross-sectional view of a movable block of the present invention;
FIG. 9 is a bottom view of the movable block of the present invention;
FIG. 10 is a schematic view of a positioning shaft according to the present invention;
in the drawings, the list of components represented by the various numbers is as follows:
1. the device comprises an installation block, 11, a first oil duct, 12, a second oil duct, 13, a positioning hole, 131, a first positioning hole, 132, a second positioning hole, 14 and a handle limiting groove;
2. the handle, 21, the first limit groove, 22, the second limit groove, 23, the first positioning shaft hole, 24 and the second positioning shaft hole;
3. a rotary member 31, a third oil passage;
4. the rotary positioning mechanism 41, the movable block 42, the positioning shaft 421, the threaded connection section 422, the small diameter part 423, the large diameter part 4231, the straight slot 43 and the elastic piece;
5. and (3) a nut.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
The invention relates to a manual hydraulic switching device for a hydraulic valve driving device, which is shown in figures 1-10, wherein the hydraulic valve driving device is provided with a hydraulic cylinder, and the hydraulic cylinder is provided with two working oil cavities, and comprises a mounting block 1, a handle 2, a rotating piece 3 and a rotary positioning mechanism 4 for rotating and positioning the position of the handle 2;
the handle 2 is positioned above the mounting block 1 and is rotationally connected with the handle 2 and the mounting block 1 through the rotating piece 3, a third oil duct 31 is arranged in the rotating piece 3, a first oil duct 11 and a second oil duct 12 which are communicated with the third oil duct 31 in a convertible manner by the rotating piece 3 are arranged in the mounting block 1, and the first oil duct 11 and the second oil duct 12 are correspondingly communicated with two working oil cavities respectively;
the rotary positioning mechanism 4 is movably connected with the handle 2, and one end of the rotary positioning mechanism is movably inserted on the mounting block 1 to position the handle 2.
Advantageously, the rotary connection of the rotary element 3 to the handle 2 may be a profile shaft connection, a key connection, a pin connection, etc.
According to one embodiment of the invention, the rotary positioning mechanism 4 comprises a movable block 41, a positioning shaft 42 and an elastic piece 43, wherein the installation block 1 is provided with a positioning hole 13, one end of the positioning shaft 42 is fixed on the movable block 41, the other end of the positioning shaft 42 is movably inserted and limited in the handle 2, the elastic piece 43 is arranged in the handle 2 and penetrates through the positioning shaft 42, the positioning shaft 42 can be movably inserted in the positioning hole 13, when the positioning shaft 42 is inserted in the positioning hole 13, the handle 2 cannot rotate, and the movable block 41 is pulled to drive the positioning shaft 42 to leave the positioning hole 13, and at the moment, the handle 2 can rotate.
The fixed connection mode of the positioning shaft 42 and the movable block 41 can be welding, screw connection, threaded connection and the like, and is more favorable for threaded connection, so that the positioning shaft 42 is convenient to detach and replace.
According to one embodiment of the present invention, the positioning shaft 42 includes a threaded connection section 421, a small diameter portion 422, and a large diameter portion 423 connected in sequence, the threaded connection section 421 is in threaded connection with the movable block 41, the elastic member 43 is sleeved on the small diameter portion 422, and the large diameter portion 423 is movably inserted into the positioning hole 13.
Advantageously, the end of the large diameter portion 423 is provided with a slot 4231 for facilitating the screwing of the positioning shaft 42 into the movable block 41.
According to one embodiment of the invention, the handle 2 is provided with a first positioning shaft hole 23 and a second positioning shaft hole 24 which are sequentially communicated, the first positioning shaft hole 23 and the second positioning shaft hole 24 are positioned below the second limiting groove 22, the small diameter part 422 sequentially passes through the second positioning shaft hole 24 and the first positioning shaft hole 23 and is in threaded connection with the movable block 41, the diameter of the first positioning shaft hole 23 is smaller than that of the second positioning shaft hole 24, the large diameter part 423 can only move in the second positioning shaft hole 24, the elastic piece 43 is sleeved on the small diameter part 422 and is positioned in the second positioning shaft hole 24, the large diameter part 423 moves upwards under the driving of the movable block 41, the elastic piece 43 is compressed, the force on the movable block 41 is cancelled, and the elastic piece 43 drives the large diameter part 423 to reset automatically.
According to one embodiment of the invention, the handle 2 is provided with the first limiting groove 21 and the second limiting groove 22 for limiting the position of the movable block 41, the first limiting groove 21 is parallel to the axis of the first oil duct 11, the second limiting groove 22 is perpendicular to the first limiting groove 21, the depth of the second limiting groove 22 is larger than that of the first limiting groove 21, when the movable block 41 is placed in the first limiting groove 21, the large-diameter part 422 is naturally located in the handle 2, the handle 2 can be rotated at the moment, when the handle 2 reaches a preset position, the movable block 41 is placed in the second limiting groove 21, the large-diameter part 422 is naturally protruded out of the bottom surface of the handle 2 and can be inserted into the positioning hole 13, and at the moment, the handle cannot be rotated, so that the reliability of operation is further improved.
According to one embodiment of the present invention, the positioning hole 13 includes a first positioning hole 131 and a second positioning hole 132, the axis line between the first positioning hole 131 and the rotating member 3 is parallel to the axis line of the first oil duct 11, the axis line between the second positioning hole 132 and the rotating member 3 is perpendicular to the axis line of the first oil duct 11, when the large diameter portion 422 is inserted into the first positioning hole 131, the third oil duct 31 is communicated with the first oil duct 11 and the second oil duct 12, and when the large diameter portion 422 is inserted into the second positioning hole 132, the third oil duct 31 is disconnected from the first oil duct 11 and the second oil duct 12.
According to one embodiment of the invention, it further comprises a nut 5 for preventing the handle 2 from being removed, the nut 5 being screwed with the rotating member 3.
According to one embodiment of the invention, the mounting block 1 is provided with the handle limiting groove 14 for limiting the movement of the handle, when the handle 2 rotates to the manual position or the hydraulic position, the handle 2 is limited by the edge of the handle limiting groove 14 and cannot rotate any more, so that the convenience and the accuracy of operation are further improved.
According to one embodiment of the present invention, a manual identification patch is attached to the mounting block 1 at a position corresponding to the first positioning hole 131, and a hydraulic identification patch is attached to the mounting block at a position corresponding to the second positioning hole 132.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. A manual hydraulic switching device for a hydraulic valve driving device having a hydraulic cylinder with two working oil chambers, characterized by comprising a mounting block (1), a handle (2), a turning member (3) and a rotational positioning mechanism (4) for rotating and positioning the position of the handle (2);
the handle (2) is located above the mounting block (1) and is rotationally connected with the handle (2) and the mounting block (1) through the rotating piece (3), a third oil duct (31) is arranged in the rotating piece (3), a first oil duct (11) and a second oil duct (12) which are in convertible communication with the third oil duct (31) through the rotating piece (3) are arranged in the mounting block (1), and the first oil duct (11) and the second oil duct (12) are correspondingly communicated with two working oil cavities respectively;
the rotary positioning mechanism (4) comprises a movable block (41), a positioning shaft (42) and an elastic piece (43), wherein a positioning hole (13) is formed in the mounting block (1), the movable block (41) is located above the handle, one end of the positioning shaft (42) is connected to the movable block (41), the other end of the positioning shaft is movably inserted and can be limited in the handle (2), the elastic piece (43) is arranged inside the handle (2) and sleeved on the positioning shaft (42), and the other end of the positioning shaft (42) is movably inserted in the positioning hole (13) to position the handle (2).
2. A manual hydraulic switching device for a hydraulic valve driving device according to claim 1, wherein the positioning shaft (42) comprises a threaded connection section (421), a small diameter portion (422) and a large diameter portion (423) which are sequentially connected, the threaded connection section (421) is in threaded connection with the movable block (41), the elastic member (43) is sleeved on the small diameter portion (422), and the large diameter portion (423) is movably inserted into the positioning hole (13).
3. A manual hydraulic switching device for a hydraulic valve driving device according to claim 2, characterized in that the end of the large diameter portion (423) is provided with a slot (4231) for screwing the threaded connection section (421) into the movable block (41).
4. A manual hydraulic switching device for a hydraulic valve driving device according to claim 2, wherein a first limit groove (21) and a second limit groove (22) for limiting the position of the movable block (41) are formed in the handle (2), the first limit groove (21) is parallel to the axis of the first oil duct (11), the second limit groove (22) is perpendicular to the first limit groove (21), the depth of the second limit groove (22) is greater than that of the first limit groove (21), the lower end of the movable block (41) is switchably arranged in the first limit groove (21) and the second limit groove (22), and the end corresponding to the large diameter part can be positioned in the handle (2) or in the positioning hole (13).
5. A manual hydraulic switching device for a hydraulic valve driving device according to claim 3, wherein the positioning hole (13) comprises a first positioning hole (131) and a second positioning hole (132), the axis line of the first positioning hole (131) and the rotating member (3) is parallel to the axis of the first oil duct (11), and the axis line of the second positioning hole (132) and the rotating member (3) is perpendicular to the axis of the first oil duct (11).
6. A manual hydraulic switching device for a hydraulic valve driving device according to claim 5, further comprising a nut (5) for preventing the handle (2) from coming out, the nut (5) being screwed with the rotating member (3).
7. A manual hydraulic switching device for a hydraulic valve driving device according to claim 6, characterized in that the mounting block (1) is provided with a handle limit groove (14) for limiting the movement of the handle.
8. A manual hydraulic switching device for a hydraulic valve driving device according to claim 7, wherein a manual identification patch is attached to the mounting block (1) at a position corresponding to the first positioning hole (131), and a hydraulic identification patch is attached to the mounting block at a position corresponding to the second positioning hole (132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210394821.2A CN114645966B (en) | 2022-04-14 | 2022-04-14 | Manual hydraulic switching device for hydraulic valve driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210394821.2A CN114645966B (en) | 2022-04-14 | 2022-04-14 | Manual hydraulic switching device for hydraulic valve driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114645966A CN114645966A (en) | 2022-06-21 |
| CN114645966B true CN114645966B (en) | 2023-09-12 |
Family
ID=81996438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210394821.2A Active CN114645966B (en) | 2022-04-14 | 2022-04-14 | Manual hydraulic switching device for hydraulic valve driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114645966B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005214231A (en) * | 2004-01-27 | 2005-08-11 | Ckd Corp | Combined valve |
| CN2755379Y (en) * | 2004-11-19 | 2006-02-01 | 尹人奇 | High and low pressure switch rotary valve |
| CN206468880U (en) * | 2016-12-14 | 2017-09-05 | 中国石油化工股份有限公司 | Hand liquid-operated flat valve |
| CN110939618A (en) * | 2019-12-26 | 2020-03-31 | 许尚志 | Pressure maintaining type single-action hydraulic manual mechanism |
| CN211975940U (en) * | 2020-04-11 | 2020-11-20 | 大连鼎泰机械设备有限公司 | Hand stop valve |
| CN113915400A (en) * | 2021-11-05 | 2022-01-11 | 中煤科工集团唐山研究院有限公司 | High-pressure gate valve actuating mechanism |
-
2022
- 2022-04-14 CN CN202210394821.2A patent/CN114645966B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005214231A (en) * | 2004-01-27 | 2005-08-11 | Ckd Corp | Combined valve |
| CN2755379Y (en) * | 2004-11-19 | 2006-02-01 | 尹人奇 | High and low pressure switch rotary valve |
| CN206468880U (en) * | 2016-12-14 | 2017-09-05 | 中国石油化工股份有限公司 | Hand liquid-operated flat valve |
| CN110939618A (en) * | 2019-12-26 | 2020-03-31 | 许尚志 | Pressure maintaining type single-action hydraulic manual mechanism |
| CN211975940U (en) * | 2020-04-11 | 2020-11-20 | 大连鼎泰机械设备有限公司 | Hand stop valve |
| CN113915400A (en) * | 2021-11-05 | 2022-01-11 | 中煤科工集团唐山研究院有限公司 | High-pressure gate valve actuating mechanism |
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| Publication number | Publication date |
|---|---|
| CN114645966A (en) | 2022-06-21 |
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