CN113877307A - Separation post device with upset locking function - Google Patents
Separation post device with upset locking function Download PDFInfo
- Publication number
- CN113877307A CN113877307A CN202111373331.6A CN202111373331A CN113877307A CN 113877307 A CN113877307 A CN 113877307A CN 202111373331 A CN202111373331 A CN 202111373331A CN 113877307 A CN113877307 A CN 113877307A
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- Prior art keywords
- locking
- separation column
- rod
- lock
- speed reducer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D43/00—Separating particles from liquids, or liquids from solids, otherwise than by sedimentation or filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0078—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a separation column device with a turnover locking function, which comprises a rack, a separation column, a rotary driving device and a position locking mechanism arranged on the rack, wherein the separation column is arranged on the rack; wherein the separation column is rotatably connected to the frame; the rotary driving device is connected with the separation column and is suitable for driving the separation column to rotate on the rack to incline or rotate to be vertical; the position locking mechanism is connected with the separation column and is suitable for locking the position of the separation column relative to the frame when the separation column rotates to the proper position, or the position locking mechanism is connected with the rotary driving device and is suitable for locking the rotary driving device when the separation column rotates to the proper position so as to lock the position of the separation column relative to the frame. The invention can drive the separation column to rotate to a proper angle and lock the angular position of the separation column, thereby adjusting the inclination angle of the separation column.
Description
Technical Field
The invention relates to a separation column device with a turnover locking function.
Background
At present, the separation column needs to be vertically placed when in use, and when materials are added into the separation column or objects such as fillers in the separation column are removed, the separation column needs to be inclined at a certain angle so as to be convenient to operate. However, the existing separation columns are vertically and fixedly installed on the rack and cannot rotate, so that the inclination angle of the separation columns cannot be adjusted, and the use is inconvenient.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a separation column device with a turnover locking function, which can drive a separation column to rotate to a proper angle and lock the angular position of the separation column, so that the inclination angle of the separation column can be adjusted.
In order to solve the technical problems, the technical scheme of the invention is as follows: a separator column assembly having a roll-over locking function comprising:
a frame;
the separation column is rotatably connected to the rack;
the rotary driving device is connected with the separation column and is suitable for driving the separation column to rotate on the rack to incline or rotate to be vertical;
a position locking mechanism mounted on the frame, the position locking mechanism being associated with the separator column and adapted to lock the position of the separator column relative to the frame when the separator column is rotated into position, or the position locking mechanism being associated with the rotary drive means and adapted to lock the rotary drive means and hence the position of the separator column relative to the frame when the separator column is rotated into position.
There is further provided a concrete structure of the position lock mechanism, the position lock mechanism including:
a locking wheel connected to the separation column or to the rotary drive;
the locking device is connected to the rack and is suitable for acting to abut against the locking wheel to lock the position of the locking wheel so as to lock the position of the separation column and the rotary driving device, and the locking device is also suitable for acting to be separated from the locking wheel.
Further provides a concrete structure of the rotary driving device, the rotary driving device comprises a first speed reducer, a second speed reducer and a hand wheel; wherein the content of the first and second substances,
the output shaft of the first speed reducer is connected with the input shaft of the second speed reducer;
an output shaft of the second speed reducer is connected with the separation column;
the hand wheel is connected with an input shaft of the first speed reducer;
the locking wheel is connected to an output shaft of the second speed reducer.
Further provided is a concrete structure of the separation column, which comprises a column body and at least one rotating shaft;
the rotating shaft is connected to the cylinder;
the rotating shaft is rotatably connected to the rack so that the cylinder is rotatably connected to the rack.
Further, the column body is connected with an installation part corresponding to the rotating shaft;
the rotating shaft is provided with a flange part;
and the flange part on the rotating shaft is locked on the corresponding mounting part through a bolt.
There is further provided a concrete structure of the lock device, the lock device including:
the locking rod is connected to the rack in a sliding mode;
and the locking driving assembly is connected to the rack, is connected with the locking rod and is suitable for driving the locking rod to slide to a position where the locking wheel is abutted to lock the locking wheel or driving the locking rod to slide to be separated from the locking wheel.
Further, a concrete structure of the locking wheel and the locking rod is provided, wherein a tooth socket is arranged on the outer periphery of the locking wheel;
the end part of the locking rod, which is abutted against the locking wheel, is provided with a convex tooth which is suitable for being inserted into the tooth groove to lock the position of the locking wheel.
The specific structure of the locking driving assembly is further provided, and the locking driving assembly comprises a driving rod, a transmission rod, an elastic piece and a shifting part; wherein the content of the first and second substances,
the transmission rod is rotatably connected to the rack, and one end of the transmission rod is connected with the locking rod;
one end of the elastic piece is connected with the transmission rod, the other end of the elastic piece is connected with the rack, and the elastic piece is suitable for driving the transmission rod to rotate so as to drive the locking rod to slide to abut against the locking wheel;
the driving rod is rotatably connected to the rack, and one end of the driving rod is connected with the other end of the driving rod;
the poking part is connected with the driving rod and is suitable for being poked to drive the driving rod to rotate, and then the driving rod is driven to overcome the elastic force of the elastic part to rotate so as to drive the locking rod to slide to be separated from the locking wheel.
Further provides a concrete structure of the toggle component, and the toggle component comprises a connecting shaft and a swing shaft; wherein the content of the first and second substances,
the connecting shaft is rotatably connected to the rack around a central shaft of the connecting shaft;
one end part of the connecting shaft is connected with the driving rod;
one end of the pendulum shaft is connected with the other end of the connecting shaft;
and a handle part is arranged at the other end of the swing shaft, and when the locking rod props against the locking wheel, the swing shaft is driven to swing so that the handle part props against the outer peripheral part of the hand wheel.
Further, the separation column comprises a column body and an upper column cover; wherein the content of the first and second substances,
the cylinder is rotationally connected to the frame;
the upper column cover is rotatably connected to the column body and has an open position and a closed position in the rotating process;
the bottom of the frame is connected with at least one caster;
the frame includes first support body and second support body, first support body with link to each other through at least one tie-beam between the second support body, a side end swivelling joint of cylinder is in on the first support body, another side end swivelling joint of cylinder is in on the second support body.
After the technical scheme is adopted, when materials are added to or removed from the separation column, the rotation driving device drives the separation column to rotate to incline, then the locking device is actuated to enable the locking device to abut against the locking wheel, the position of the locking wheel is locked, and the position of the separation column is locked. When normal use, act locking means so that locking means breaks away from the locking wheel, then pass through the rotation driving device drive the separation post rotates to vertical, then moves again locking means so that locking means supports the locking wheel, this device can drive the separation post and rotate to the angle position of suitable angle and locking separation post, and then can adjust the inclination of separation post, and it is very convenient to use.
Drawings
FIG. 1 is a first schematic structural diagram of a separation column device with a flip-lock function according to the present invention;
FIG. 2 is a second schematic structural view of the separation column device with flip-lock function according to the present invention;
FIG. 3 is a schematic structural view of the locking device of the present invention;
fig. 4 is a partial exploded view of the locking device of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 4, a separation column device with a flip-lock function includes:
a frame 1;
a separation column 100, wherein the separation column 100 is rotatably connected to the frame 1;
a rotation driving device 200, wherein the rotation driving device 200 is connected with the separation column 100 and is suitable for driving the separation column 100 to rotate on the frame 1 to incline or rotate to vertical;
a position locking mechanism mounted on the frame 1, said position locking mechanism being associated with the separation column 100 and adapted to lock the position of the separation column 100 relative to the frame 1 when the separation column 100 is rotated into position, or said position locking mechanism being associated with the rotary drive means 200 and adapted to lock the rotary drive means 200 and thus the position of the separation column 100 relative to the frame 1 when the separation column 100 is rotated into position; specifically, the rotation driving device 200 is in transmission connection with the separation column 100, and when the rotation driving device 200 is locked and cannot operate, the separation column 100 cannot rotate. In this embodiment, when loading material into the separation column 100 or removing material from the separation column 100, the rotation driving device 200 drives the separation column 100 to tilt, and then the position locking mechanism locks the position of the separation column 100. When normal use, through the drive of rotary drive device 200 the separation column 100 rotates to vertically, then passes through the locking of position locking mechanism the position of separation column 100, this separation column device with upset locking function can drive separation column 100 and rotate to suitable angle and lock the angular position of separation column 100, and then can adjust the inclination of separation column 100, and it is very convenient to use.
As shown in FIGS. 1-4, the position locking mechanism, such as but not limited to, the following, includes:
a locking wheel 2, wherein the locking wheel 2 is connected to the separation column 100 or the rotary driving device 200;
a locking device 300, said locking device 300 being connected to said frame 1 and adapted to be actuated against said locking wheel 2 to lock the position of said locking wheel 2 and thus the position of said disengagement column 100 and to lock said rotary drive device 200, said locking device 300 being further adapted to be actuated to disengage said locking wheel 2; specifically, the rotational driving device 200 is locked when the position of the separation column 100 is locked, and similarly, the position of the separation column 100 is locked when the rotational driving device 200 is locked and cannot be operated; more specifically, the locking wheel 2 may be connected to an input shaft or an output shaft of the rotation driving device 200, and the locking device 300 may lock the locking wheel 2 after abutting against the locking wheel 2, so as to lock the rotation driving device 200, that is, the rotation driving device 200 cannot move, so as to lock the position of the separation column 100, and prevent the separation column 100 from rotating.
More specifically, when materials are added to the separation column 100 or materials in the separation column 100 are removed, the rotation driving device 200 drives the separation column 100 to rotate to incline, and then the locking device 300 is actuated to enable the locking device 300 to abut against the locking wheel 2, so as to lock the position of the locking wheel 2, and further lock the position of the separation column 100. During normal use, act locking means 300 so that locking means 300 breaks away from locking wheel 2, then through rotatory drive arrangement 200 drive the separation column 100 rotates to vertical, then acts locking means 300 so that locking means 300 supports locking wheel 2, can drive separation column 100 and rotate to suitable angle and lock the angular position of separation column 100, and then can adjust the inclination of separation column 100, and it is very convenient to use. The separation column 100 is also called a liquid phase separation column 100, a liquid chromatography column or a chromatographic column, and the shape of the separation column 100 is generally cylindrical.
As shown in fig. 1 to 3, the rotary driving device 200 may include a first speed reducer 3, a second speed reducer 4, and a hand wheel 5; wherein the content of the first and second substances,
the output shaft of the first speed reducer 3 is connected with the input shaft of the second speed reducer 4;
an output shaft of the second speed reducer 4 is connected with the separation column 100;
the hand wheel 5 is connected with an input shaft of the first speed reducer 3;
the locking wheel 2 is connected to an output shaft of the second speed reducer 4; in this embodiment, the first speed reducer 3 and the second speed reducer 4 are respectively connected to the frame 1, and the hand wheel 5 is rotated to drive the first speed reducer 3 and the second speed reducer 4 to move, so as to drive the separation column 100 to rotate to a proper angle. Specifically, the first speed reducer 3 and the second speed reducer 4 may be worm and gear speed reducers, respectively.
As shown in FIGS. 1-3, the separation column 100 may include a column body 6 and at least one rotation shaft 7;
the rotating shaft 7 is connected to the cylinder 6;
the rotating shaft 7 is rotatably connected to the frame 1 so as to rotatably connect the cylinder 6 to the frame 1; in this embodiment, two rotating shafts 7 are provided, and one rotating shaft 7 is connected to each of both sides of the column 6.
As shown in fig. 1 to 3, the column 6 is connected with a mounting part 8 corresponding to the rotating shaft 7;
a flange part 9 is arranged on the rotating shaft 7;
the flange part 9 on the rotating shaft 7 is locked on the corresponding mounting part 8 through bolts; in this embodiment, the mounting portions 8 are welded to the column 6, and the mounting portions 8 correspond to the rotating shafts 7 one by one; specifically, the output shaft of the second speed reducer 4 is connected to the rotating shaft 7 through a coupling, and the locking wheel 2 may be connected to the output shaft of the second speed reducer 4 or to the rotating shaft 7; in this embodiment, the locking wheel 2 may be connected to the output shaft of the second reduction gear 4, and when the locking wheel 2 cannot rotate, the output shaft of the second reduction gear 4 cannot rotate, and the second reduction gear 4 is locked.
As shown in fig. 3 and 4, the locking device 300 may include:
the locking rod 23 is connected to the rack 1 in a sliding mode;
the locking driving assembly is connected to the rack 1, connected to the locking rod 23 and adapted to drive the locking rod 23 to slide to a position where the locking rod 23 abuts against the locking wheel 2 to lock the locking wheel 2, or drive the locking rod 23 to slide to be separated from the locking wheel 2; specifically, a sliding sleeve is connected to the frame 1, and the locking rod 23 is slidably connected to the sliding sleeve.
As shown in fig. 3 and 4, the locking wheel 2 may be provided with a tooth groove 24 on the outer periphery;
the end part of the locking rod 23, which is abutted against the locking wheel 2, is provided with a convex tooth 25 which is suitable for being inserted into the tooth groove 24 to lock the position of the locking wheel 2; specifically, the tooth grooves 24 are provided in plurality.
As shown in fig. 3 and 4, the locking driving assembly may include a driving rod 26, a transmission rod 27, an elastic member 28 and a toggle member; wherein the content of the first and second substances,
the transmission rod 27 is rotatably connected to the frame 1, and one end of the transmission rod 27 is connected to the locking rod 23;
one end of the elastic member 28 is connected with the transmission rod 27, the other end of the elastic member 28 is connected with the frame 1, and the elastic member 28 is suitable for driving the transmission rod 27 to rotate so as to drive the locking rod 23 to slide to abut against the locking wheel 2;
the driving rod 26 is rotatably connected to the frame 1, and one end of the driving rod 26 is connected to the other end of the driving rod 27;
the toggle component is connected with the driving rod 26, and the toggle component is suitable for being toggled to drive the driving rod 26 to rotate, so as to drive the transmission rod 27 to rotate against the elastic force of the elastic piece 28 to drive the locking rod 23 to slide to be separated from the locking wheel 2; in this embodiment, the elastic member 28 may be a spring; specifically, a first connecting pin is connected to the locking lever 23, a first kidney-shaped hole in fit connection with the first connecting pin is formed in one end portion of the transmission rod 27, and the first connecting pin is matched with the first kidney-shaped hole so that the transmission rod 27 is connected with the locking lever 23. More specifically, a second connecting pin is connected to the driving rod 26, a second kidney-shaped hole connected to the second connecting pin in a matching manner is formed in the other end of the driving rod 27, and the second connecting pin is matched with the second kidney-shaped hole so as to connect the driving rod 27 to the driving rod 26.
In this embodiment, the toggle member may include a connecting shaft 29 and a swing shaft 30; wherein the content of the first and second substances,
the connecting shaft 29 is rotatably connected to the frame 1 around its own central axis;
one end of the connecting shaft 29 is connected to the driving rod 26;
one end of the swing shaft 30 is connected with the other end of the connecting shaft 29;
the other end of the swing shaft 30 is provided with a handle portion 31, and when the locking rod 23 abuts against the locking wheel 2, the swing shaft 30 is driven to swing so that the handle portion 31 abuts against the outer periphery of the hand wheel 5.
As shown in fig. 3, when the swing axle 30 is released, under the action of the pulling force of the elastic member 28, the transmission rod 27 rotates counterclockwise, the locking rod 23 moves upward to abut against the locking wheel 2, so that the locking wheel 2 is in a locked state, and simultaneously the driving rod 26 rotates clockwise, so as to drive the swing axle 30 to swing rightward to a right limit position, at this time, the handle portion 31 abuts against the outer peripheral portion of the hand wheel 5, so as to prevent the swing axle 30 from swinging rightward continuously.
When the pendulum shaft 30 is pulled leftwards, the driving rod 26 rotates anticlockwise, the transmission rod 27 rotates clockwise, the elastic piece 28 is stretched, and the locking rod 23 moves downwards to be separated from the locking wheel 2, namely, the limitation on the locking wheel 2 is released. The handwheel 5 is then turned to drive the separation column 100 to rotate to the appropriate angle.
In the present embodiment, a cover 32 is provided on the outer sides of the rotary drive device 200 and the locking device 300.
As shown in fig. 1 to 4, the separation column 100 may include a column body 6 and an upper column cover 10; wherein the content of the first and second substances,
the cylinder 6 is rotationally connected to the frame 1;
the upper column cover 10 is rotatably connected to the column body 6 and has an open position and a closed position during rotation;
the bottom of the frame 1 is connected with at least one caster wheel 33; specifically, the caster 33 enables the frame 1 to be moved to a desired position; in the present embodiment, the caster 33 may be, but is not limited to, a universal caster;
frame 1 includes first support body and second support body, first support body with link to each other through at least one tie-beam between the second support body, a side end swivelling joint of cylinder 6 is in on the first support body, another side end swivelling joint of cylinder 6 is in on the second support body.
The working principle of the invention is as follows:
when materials are added to the separation column 100 or materials in the separation column 100 are removed, the rotation driving device 200 drives the separation column 100 to rotate to incline, then the locking device 300 is actuated to enable the locking device 300 to abut against the locking wheel 2, so that the position of the locking wheel 2 is locked, and the position of the separation column 100 is locked. When in normal use, the locking device 300 is actuated to make the locking device 300 break away from the locking wheel 2, then the separation column 100 is driven by the rotary driving device 200 to rotate to be vertical, then the locking device 300 is actuated to make the locking device 300 abut against the locking wheel 2, the separation column 100 can be driven by the device to rotate to a proper angle and lock the angle position of the separation column 100, and then the inclination angle of the separation column 100 can be adjusted, so that the use is very convenient.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A release lever device with a flip-lock function, comprising:
a frame (1);
a separation column (100), the separation column (100) being rotatably connected to the frame (1);
a rotation drive (200), said rotation drive (200) being connected to said separation column (100) and adapted to drive said separation column (100) to tilt or to rotate to vertical on said housing (1);
a position locking mechanism mounted on the frame (1), the position locking mechanism being associated with the separation column (100) and adapted to lock the position of the separation column (100) relative to the frame (1) when the separation column (100) is rotated into position, or the position locking mechanism being associated with the rotary drive means (200) and adapted to lock the rotary drive means (200) and thus the position of the separation column (100) relative to the frame (1) when the separation column (100) is rotated into position.
2. The release lever device with flip-lock function according to claim 1, wherein the position lock mechanism comprises:
a locking wheel (2), the locking wheel (2) being connected to the separation column (100) or to the rotary drive (200);
a locking device (300), wherein the locking device (300) is connected to the frame (1) and is suitable for acting against the locking wheel (2) to lock the position of the locking wheel (2) and further lock the position of the separation column (100) and the rotary driving device (200), and the locking device (300) is also suitable for acting to be separated from the locking wheel (2).
3. The separator device with a roll-over locking function according to claim 2, wherein the rotary drive device (200) comprises a first speed reducer (3), a second speed reducer (4) and a hand wheel (5); wherein the content of the first and second substances,
the output shaft of the first speed reducer (3) is connected with the input shaft of the second speed reducer (4);
an output shaft of the second speed reducer (4) is connected with the separation column (100);
the hand wheel (5) is connected with an input shaft of the first speed reducer (3);
the locking wheel (2) is connected to an output shaft of the second speed reducer (4).
4. The release post device with flip-lock function according to claim 2,
the separation column (100) comprises a column body (6) and at least one rotation axis (7);
the rotating shaft (7) is connected to the cylinder (6);
the rotating shaft (7) is rotatably connected to the rack (1) so as to rotatably connect the column body (6) to the rack (1).
5. The release post device with flip-lock function according to claim 4,
the cylinder (6) is connected with a mounting part (8) corresponding to the rotating shaft (7);
a flange part (9) is arranged on the rotating shaft (7);
and the flange part (9) on the rotating shaft (7) is locked on the corresponding mounting part (8) through a bolt.
6. The release cylinder device with flip-lock function according to claim 2, wherein the lock device (300) comprises:
the locking rod (23), the locking rod (23) is connected to the frame (1) in a sliding manner;
the locking driving assembly is connected to the rack (1), connected with the locking rod (23) and suitable for driving the locking rod (23) to slide to a position where the locking wheel (2) is propped against to lock the locking wheel (2), or driving the locking rod (23) to slide to be separated from the locking wheel (2).
7. The release post device with flip-lock function according to claim 6,
tooth grooves (24) are formed in the peripheral part of the locking wheel (2);
the end part of the locking rod (23) abutting against the locking wheel (2) is provided with a convex tooth (25) which is suitable for being inserted into the tooth groove (24) to lock the position of the locking wheel (2).
8. The release lever device with flip-flop locking function of claim 6, wherein said locking driving assembly comprises a driving lever (26), a driving lever (27), an elastic member (28) and a toggle member; wherein the content of the first and second substances,
the transmission rod (27) is rotatably connected to the rack (1), and one end of the transmission rod (27) is connected with the locking rod (23);
one end of the elastic piece (28) is connected with the transmission rod (27), the other end of the elastic piece (28) is connected with the rack (1), and the elastic piece (28) is suitable for driving the transmission rod (27) to rotate so as to drive the locking rod (23) to slide to abut against the locking wheel (2);
the driving rod (26) is rotatably connected to the rack (1), and one end of the driving rod (26) is connected with the other end of the driving rod (27);
the toggle component is connected with the driving rod (26), and the toggle component is suitable for being toggled to drive the driving rod (26) to rotate, so as to drive the driving rod (27) to rotate by overcoming the elasticity of the elastic piece (28) to drive the locking rod (23) to slide to be separated from the locking wheel (2).
9. The release post device with flip-lock function according to claim 8,
the rotary driving device (200) comprises a first speed reducer (3), a second speed reducer (4) and a hand wheel (5);
the output shaft of the first speed reducer (3) is connected with the input shaft of the second speed reducer (4);
an output shaft of the second speed reducer (4) is connected with the separation column (100);
the hand wheel (5) is connected with an input shaft of the first speed reducer (3);
the toggle component comprises a connecting shaft (29) and a swing shaft (30); wherein the content of the first and second substances,
the connecting shaft (29) is rotatably connected to the rack (1) around a central shaft of the connecting shaft;
one end of the connecting shaft (29) is connected with the driving rod (26);
one end part of the swing shaft (30) is connected with the other end part of the connecting shaft (29);
the other end of the swing shaft (30) is provided with a handle part (31), and when the locking rod (23) abuts against the locking wheel (2), the swing shaft (30) is driven to swing to enable the handle part (31) to abut against the outer peripheral part of the hand wheel (5).
10. The release post device with flip-lock function according to claim 1,
the separation column (100) comprises a column body (6) and an upper column cover (10); wherein the content of the first and second substances,
the column body (6) is rotationally connected to the rack (1);
the upper column cover (10) is rotatably connected to the column body (6) and has an open position and a closed position in the rotating process;
the bottom of the frame (1) is connected with at least one caster (33);
frame (1) includes first support body and second support body, first support body with link to each other through at least one tie-beam between the second support body, a side end swivelling joint of cylinder (6) is in on the first support body, another side end swivelling joint of cylinder (6) is in on the second support body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111373331.6A CN113877307A (en) | 2021-11-19 | 2021-11-19 | Separation post device with upset locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111373331.6A CN113877307A (en) | 2021-11-19 | 2021-11-19 | Separation post device with upset locking function |
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| CN113877307A true CN113877307A (en) | 2022-01-04 |
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|---|---|---|---|
| CN202111373331.6A Pending CN113877307A (en) | 2021-11-19 | 2021-11-19 | Separation post device with upset locking function |
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| CN211808836U (en) * | 2019-12-31 | 2020-10-30 | 山东哈工华粹智能科技有限公司 | Rotary connecting rod braking type heavy-duty universal caster |
| CN212793772U (en) * | 2020-05-08 | 2021-03-26 | 重庆美龙汽车零部件有限公司 | Welding turning device |
| CN213745656U (en) * | 2020-10-22 | 2021-07-20 | 常州米德克光电科技有限公司 | Adjusting bracket for demarcation device |
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