CN113846554A - Line inspection alternate moving type pneumatic assembly and installation method thereof - Google Patents
Line inspection alternate moving type pneumatic assembly and installation method thereof Download PDFInfo
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- CN113846554A CN113846554A CN202110954280.XA CN202110954280A CN113846554A CN 113846554 A CN113846554 A CN 113846554A CN 202110954280 A CN202110954280 A CN 202110954280A CN 113846554 A CN113846554 A CN 113846554A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/106—Movable inspection or maintenance platforms, e.g. travelling scaffolding or vehicles specially designed to provide access to the undersides of bridges
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Abstract
The invention provides a line inspection alternate moving type pneumatic assembly and an installation method thereof, and aims to solve the problems that an existing mobile platform under a bridge is difficult to build, high in cost and narrow in application range; including the supporting seat and rather than the removal seat that the appearance is similar, remove seat upper end and supporting seat upper end and seted up opening mounting groove up respectively, the joint has the air brake equipment rather than the bottom contact in the mounting groove, the wire wheel mechanism is connected in the dismantlement of mounting groove, link up and be located the through wires hole between air brake equipment and the wire wheel mechanism around having seted up respectively on removing seat and the supporting seat, the outside of removing seat and supporting seat is equipped with the shirt rim, pipeline interface has been seted up respectively at both ends around the supporting seat, the pipeline interface at both ends does not communicate around every supporting seat, lie in two gas circuit passageways that link up around seting up respectively on four directions in the pipeline interface outside on the supporting seat, first air brake passageway, and first dodge the hole, remove the square hole that link up around the seat middle part has been seted up, install running roller mechanism in the square hole.
Description
Technical Field
The invention relates to the technical field of movable detection platforms, in particular to a line patrol alternate movable pneumatic assembly and an installation method thereof.
Background
With the increase of the service time of the bridge, due to the long-term influence of adverse factors such as environmental load effect, fatigue effect, corrosion effect and material aging on facilities, the bridge structure inevitably generates various fatigue and damages such as natural aging, damage accumulation and the like, the damages lead to the layering and the rupture of concrete, cause vicious accidents such as collapse and the like, cause huge economic loss and casualties, and therefore, the bridge main body needs to be regularly detected; however, most structural cracks of the bridge are mainly generated at the bottom of the bridge, detection is difficult, equipment is inconvenient to move under the bridge, a common method is to build a scaffold, a simple hanging basket or a bridge detection vehicle under the bridge, the method is troublesome in building a platform, high in cost and more difficult in detection operation when the water level is high;
therefore, how to design a device that can carry equipment to remove along the bridge bottom, make it can convenient and fast high-efficient ground to the bridge bottom to and pier structure under water detects, and can guarantee the security that detects the work is the technical problem who awaits a urgent need to be solved.
Disclosure of Invention
Aiming at the situation, the problems that the existing mobile platform under the bridge is difficult to build, high in cost and narrow in application range are solved;
the invention provides a line patrol alternate moving type pneumatic component and an installation method thereof, the line patrol alternate moving type pneumatic component comprises a cake-shaped supporting seat and a moving seat similar to the shape of the supporting seat, the upper end of the moving seat and the upper end of the supporting seat are respectively provided with an installation groove with an upward opening, an air brake device contacted with the bottom of the installation groove is clamped in the installation groove, a wire wheel mechanism positioned above the air brake device is detachably connected in the installation groove, the moving seat and the supporting seat are respectively provided with a wire threading hole which is communicated front and back and is positioned between the air brake device and the wire wheel mechanism, and the outer sides of the moving seat and the supporting seat are provided with skirt edges;
the front end and the rear end of each supporting seat are respectively provided with a pipeline interface coaxial with the supporting seat, the pipeline interfaces at the front end and the rear end of each supporting seat are not communicated, two air path channels which are communicated from front to back, a first air brake channel and a first avoidance hole are respectively arranged in four directions of the outer side of the pipeline interface on the supporting seat, the respective branches of the two air path channels are respectively communicated with the pipeline interfaces at the front end and the rear end, and the branch of the first air brake channel penetrates through the side wall of the mounting groove and is communicated with an air brake device;
remove the square hole that link up around the seat middle part is seted up, install running roller mechanism in the square hole, remove and be located on the seat and be equipped with three second that link up around respectively in four directions in the square hole outside and dodge hole and a second air brake passageway, the branch road of second air brake passageway runs through the mounting groove lateral wall and communicates with air brake device.
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
1. the inspection line alternate moving type pneumatic component has no electric element, can work in water, has wide application range, only needs to build one cable, has low cost and is convenient to install and maintain; the supporting seat and the moving seat move alternately, so that the line patrol alternately moving type pneumatic assembly and the cable rope are prevented from sliding relatively, and the equipment for detecting the bridge body is guaranteed to be stably conveyed to a specified position.
2. This patrol line portable pneumatic component in turn can assemble a plurality of supporting seats and a plurality of seat of removing together, and the packaging mode is simple and convenient, can increase this patrol line portable pneumatic component in turn's load capacity as necessary, satisfies the requirement of carrying more equipment.
Drawings
FIG. 1 is a disassembled view of the support base of the present invention.
FIG. 2 is a disassembled view of the mobile base of the present invention.
Fig. 3 is a front view of the support base of the present invention.
FIG. 4 is a sectional view taken along line A-A of the support base of the present invention.
Figure 5 is a side view of the mobile station of the present invention.
Fig. 6 is a cross-sectional view B-B of the mobile station of the present invention.
Fig. 7 is an enlarged view of C of fig. 6 of the present invention.
FIG. 8 is a schematic of combination A, combination B and combination C of the present invention.
Fig. 9 is a schematic view of the combination a, combination B and combination C of the present invention as assembled and placed on a cable.
FIG. 10 is a schematic side-view cross-section of the present invention with combination A, combination B and combination C assembled and then sectioned.
FIG. 11 is a schematic view of a plurality of supporting seats and a movable seat of the present invention after combination.
The reference numerals in the schematic drawings illustrate:
1. a supporting seat; 2. a movable seat; 3. mounting grooves; 4. a square hole; 5. threading holes; 6. a skirt edge; 7. a pipe interface; 8. a gas path channel; 9. a first air brake passage; 10. a first avoidance hole; 11. a second avoidance hole; 12. a second air brake passage; 13. an air bag; 14. a brake pad; 15. a pointed protrusion; 16. an elastic drawstring; 17. an air tap; 18. an avoidance groove; 19. a threaded connecting sleeve; 20. a bearing seat; 21. a wire pressing wheel; 22. a limiting groove; 23. a long bolt; 24. a support; 25. a roller; 26. a gas supplementing pipe; 27. a first air brake pipe; 28. a hose; 29. a second air brake tube; 30. a cable.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 11, the line patrol alternate moving type pneumatic assembly and the installation method thereof comprise a cake-shaped supporting seat 1 and a moving seat 2 similar to the supporting seat in appearance, wherein the upper end of the moving seat 2 and the upper end of the supporting seat 1 are respectively provided with an installation groove 3 with an upward opening, an air brake device contacted with the bottom of the installation groove 3 is clamped in the installation groove 3, a wire wheel mechanism positioned above the air brake device is detachably connected in the installation groove 3, the moving seat 2 and the supporting seat 1 are respectively provided with a wire through hole 5 which is communicated from front to back and is positioned between the air brake device and the wire wheel mechanism, and the outer sides of the moving seat 2 and the supporting seat 1 are provided with a skirt edge 6;
the front end and the rear end of the supporting seat 1 are respectively provided with a pipeline interface 7 coaxial with the supporting seat, the pipeline interfaces 7 at the front end and the rear end of each supporting seat 1 are not communicated, two air path channels 8, a first air brake channel 9 and a first avoidance hole 10 which are communicated from front to back are respectively arranged in four directions of the outer side of the pipeline interface 7 on the supporting seat 1, respective branches of the two air path channels 8 are respectively communicated with the pipeline interfaces 7 at the front end and the rear end, and a branch of the first air brake channel 9 penetrates through the side wall of the mounting groove 3 and is communicated with an air brake device;
remove 2 middle parts of seat and set up the square hole 4 that link up around, install running roller mechanism in the square hole 4, remove and be equipped with three second that link up around respectively on four directions in the 4 outsides of square hole on the seat 2 and dodge hole 11 and a second air brake passageway 12, the branch road of second air brake passageway 12 runs through 3 lateral walls of mounting groove and communicates with air brake device.
Furthermore, the air brake device comprises an air bag 13 which can be tightly attached to the bottom of the mounting groove 3, an arc-shaped brake pad 14 is arranged at the upper end of the air bag 13, a plurality of pointed protrusions 15 are arranged at the upper end of the brake pad 14, elastic pull straps 16 fixedly connected with the bottom of the air bag 13 are respectively arranged on the left side and the right side of the lower end of the brake pad 14, an air tap 17 is arranged on one side of the air bag 13, and the air tap 17 can be inserted into a branch of the first air brake channel 9 or the second air brake channel 12; the side wall of the mounting groove 3 prevents the air bag 13 from spreading all around, and simultaneously prevents the brake pad 14 from deviating, and the pointed protrusion 15 on the brake pad 14 can increase the friction force between the brake pad 14 and the cable 30, thereby providing better braking effect.
Furthermore, the supporting seat 1 and the moving seat 2 are respectively provided with an avoiding groove 18 positioned at the left side and the right side of the mounting groove 3, and the bottom of the avoiding groove 18 is provided with a threaded connecting sleeve 19.
Further, the reel mechanism comprises two bearing seats 20, a wire pressing wheel 21 is rotatably connected between the two bearing seats 20, limit grooves 22 which are vertically and internally and externally communicated are respectively formed in the left side wall and the right side wall of the mounting groove 3, and the bearing seats 20 are fixedly connected with the thread connecting sleeve 19 through long bolts 23.
Furthermore, air supply pipes 26 can be respectively installed at the front end and the rear end of the two air path channels 8, first air brake pipes 27 can be respectively installed at the front end and the rear end of the first air brake channel 9, and hoses 28 can be installed at the pipeline interfaces 7.
Further, the roller mechanism comprises two brackets 24 detachably connected in the square hole 4, the two brackets 24 are respectively rotatably connected with rollers 25, the two rollers 25 are tightly extruded at the outer side of the hose 28, and the plane where the axes of the two rollers 25 are located is parallel to the cross section of the movable base 2.
Further, the front end and the rear end of the second air brake channel 12 can be respectively provided with a second air brake pipe 29.
Further, pressure stabilizing valves are respectively arranged in the air path channel 8, the first air brake channel 9 and the second air brake channel 12.
Further, the outer diameters of the air supplementing pipe 26, the first air brake pipe 27 and the second air brake pipe 29 are the same, and the inner diameter of the first avoidance hole 10 is equal to the outer diameter of the second avoidance hole 11, which is larger than the air supplementing pipe 26.
A method for installing an inspection alternate mobile pneumatic assembly comprises the following steps:
(1) taking one support seat 1, respectively connecting the front ends of the air path pipelines on the left side and the right side of the support seat 1 with an air supplementing pipe 26, connecting the front end of a first air brake channel 9 on the support seat 1 with a first air brake pipe 27, and plugging a pipeline interface 7 at the front end of the support seat 1 to define a combination A;
(2) another support seat 1 is taken, the front ends of the air path pipelines on the left side and the right side of the support seat 1 are respectively connected with an air supplementing pipe 26, a first air brake channel 9 at the front end of the support seat 1 is connected with a first air brake pipe 27, a pipeline interface 7 at the front end of the support seat 1 is connected with a hose 28, and a combination B is defined;
(3) taking one moving seat 2, connecting the front end of a second air brake channel 12 on the moving seat 2 with a second air brake pipe 29, and defining as a combination C;
(4) two air supply pipes 26 and a first air brake pipe 27 in the combination B are respectively inserted into corresponding second avoidance holes 11 in the combination C, a hose 28 in the combination B passes through a roller mechanism, and two rollers 25 are extruded outside the hose 28;
(5) inserting the second air brake pipe 29 in the combination C into the first avoidance hole 10 in the combination A;
(6) then two air supply pipes 26 in the combination B are connected in the two air path channels 8 in the combination A, and a first air brake pipe 27 in the combination B is connected in the first air brake channel 9 in the combination A;
(7) plugging a pipeline interface 7 exposed at the rear end in the combination B, and plugging the rear end of a first air brake channel 9 exposed in the combination C;
(8) the air supply pipe 26 and the first air brake pipe 27 in the combination A and the second air brake pipe 29 in the combination C are respectively connected with an air pressure generating device through connecting pipes which are long enough to provide a pressure source for the air pressure generating device.
The working principle is as follows: the inspection line alternate moving type pneumatic assembly (hereinafter referred to as the assembly) is used as a displacement device for carrying equipment to run under a bridge, firstly, a cable 30 is arranged under the bridge, the position to be detected of the bridge is used as a track, the cable 30 is reasonably arranged, and two ends of the cable 30 are respectively fixed on the bridge; when in use, firstly, the combination A, the combination B and the combination C are assembled together according to the installation method, one end of the cable 30 is opened, and the cable 30 sequentially passes through all the threading holes 5 on the supporting seat 1 and the moving seat 2, so that the line patrol alternating movement type pneumatic assembly moves along the cable 30 (as shown in figure 9); the equipment for detecting the bridge body is arranged on the moving seat 2 or the skirt edge 6 of the supporting seat 1, and the air pressure generating device provides stable, stable and reliable air pressure sources for the two air supply pipes 26, the first air brake pipe 27 and the second air brake pipe 29 through connecting pipes which are long enough;
referring to figures 8-10:
the moving manner of the moving base 2 is as follows:
firstly, the air pressure generating device increases the air pressure in the first air brake pipe 27 and releases the air pressure in the second air brake pipe 29, at the moment, the air brake device on the supporting seat 1 brakes on the cable 30 under the action of the air pressure, and the air brake device on the movable seat 2 releases the air pressure to separate the air brake device from the cable 30 for braking; then, the air pressure generating device increases the air pressure in the left air supply pipe 26, releases the air pressure in the right air supply pipe 26, and forms positive pressure in the rear section of the hose 28, and forms negative pressure in the front section of the hose 28 (the movable seat 2 is a boundary of the positive and negative pressures), and under the continuous action of the air pressure, the hose 28 with positive pressure in the rear section forces the two rollers 25 to rotate, and pushes the movable seat 2 to move to the negative pressure section of the hose 28, that is, the component C moves forward along the line; on the contrary, if the air pressure generating device increases the air pressure in the right air supply pipe 26 and releases the air pressure in the left air supply pipe 26, the front section of the hose 28 forms positive pressure and the rear section forms negative pressure, so that the module C moves backwards;
the support base 1 moves as follows:
firstly, the air pressure generating device increases the air pressure in the second air brake pipe 29 and releases the air pressure in the first air brake pipe 27, at the moment, the air brake device on the movable seat 2 brakes on the cable 30 under the action of the air pressure, and the air brake device on the support seat 1 releases the air pressure to separate the air brake device from the cable 30 for braking; then, the air pressure generating device increases the air pressure in the left air supply pipe 26, releases the air pressure in the right air supply pipe 26, forms positive pressure at the rear section of the hose 28, and forms negative pressure at the front section (the movable seat 2 is a boundary of the positive pressure and the negative pressure), and forces the negative pressure section of the hose 28 to pass through between the two rollers 25 and transit to the positive pressure section thereof under the continuous action of the air pressure, so that the hose 28 moves towards the positive pressure section, namely, the component a and the component B synchronously move backwards along the line; on the contrary, if the air pressure generating device increases the air pressure in the right air supply pipe 26 and releases the air pressure in the left air supply pipe 26, the front section of the hose 28 forms positive pressure and the rear section forms negative pressure, so that the component a and the component B synchronously move forward;
the supporting seat 1 and the moving seat 2 are alternately moved, so that the whole assembly can be moved in a line patrol manner;
for example: braking supporting seat 1, will remove seat 2 and patrol line rearward movement according to above-mentioned working method, move seat 2 and remove the rear end to hose 28 again, move seat 2 again, patrol line rearward movement according to above-mentioned working method with supporting seat 1, until the front end of hose 28 and remove seat 2 contact, can realize moving this subassembly rearward, and under ideal state, the whole distance that moves rearward of this subassembly equals the length of hose 28 subtracts the thickness that removes seat 2.
Referring to fig. 11, a plurality of combinations B and a plurality of combinations a can be installed and connected in the above installation mode, a plurality of air supply pipes 26 located on the same side are communicated, a plurality of first air brake pipes 27 are communicated, a plurality of second air brake pipes 29 are communicated, a plurality of hoses 28 are connected at the pipe joints 7 of two supporting seats 1, so that the effect of simultaneously moving a plurality of supporting seats 1 or simultaneously moving a plurality of moving seats 2 can be realized, and by doing so, the load capacity of the assembly can be increased while the normal displacement of the assembly is ensured.
The inspection line alternate moving type pneumatic component terminal does not have any electric element, can work in water, has a wide application range, only needs to build one cable, has low cost and is convenient to install and maintain; the supporting seat and the moving seat move alternately, so that the relative sliding between the line inspection alternately moving pneumatic assembly and the cable is avoided, and the equipment for detecting the bridge body is stably conveyed to a specified position; the line patrol alternate moving type pneumatic assembly can assemble a plurality of supporting seats and a plurality of moving seats together, is simple and convenient in assembly mode, can increase the load capacity of the line patrol alternate moving type pneumatic assembly when necessary, and meets the requirement of carrying more devices.
Claims (10)
1. A line patrol alternate moving type pneumatic assembly and an installation method thereof comprise a cake-shaped supporting seat and a moving seat similar to the supporting seat in appearance, wherein the upper end of the moving seat and the upper end of the supporting seat are respectively provided with an installation groove with an upward opening, an air brake device contacted with the bottom of the installation groove is clamped in the installation groove, a line wheel mechanism positioned above the air brake device is detachably connected in the installation groove, the moving seat and the supporting seat are respectively provided with a line through hole which is communicated from front to back and is positioned between the air brake device and the line wheel mechanism, and the outer sides of the moving seat and the supporting seat are provided with skirt edges;
the front end and the rear end of the supporting seat are respectively provided with a pipeline interface coaxial with the supporting seat, the pipeline interfaces at the front end and the rear end of each supporting seat are not communicated, the supporting seat is respectively provided with two air path channels which are communicated from front to back, a first air brake channel and a first avoidance hole in four directions outside the pipeline interfaces, the branch of the air path channel positioned on the left side is communicated with the pipeline interface at the front end of the supporting seat, the branch of the air path channel positioned on the right side is communicated with the pipeline interface at the rear end of the supporting seat, and the branch of the first air brake channel penetrates through the side wall of the mounting groove and is communicated with an air brake device;
remove the square hole that link up around the seat middle part is seted up, install running roller mechanism in the square hole, remove and be located on the seat and be equipped with three second that link up around respectively in four directions in the square hole outside and dodge hole and a second air brake passageway, the branch road of second air brake passageway runs through the mounting groove lateral wall and communicates with air brake device.
2. The line patrol alternate moving type pneumatic assembly and the installation method thereof as claimed in claim 1, wherein the pneumatic brake device comprises an air bag which can be tightly attached to the bottom of the installation groove, an arc-shaped brake pad is arranged at the upper end of the air bag, a plurality of sharp protrusions are arranged at the upper end of the brake pad, elastic drawstrings fixedly connected with the bottom of the air bag are respectively arranged at the left side and the right side of the lower end of the brake pad, and an air tap is arranged at one side of the air bag and can be inserted into a branch of the first pneumatic brake channel or the second pneumatic brake channel.
3. The line patrol alternating-moving type pneumatic assembly and the installation method thereof as claimed in claim 1, wherein the supporting seat and the moving seat are respectively provided with an avoiding groove at the left side and the right side of the installation groove, and the bottom of the avoiding groove is provided with a threaded connection sleeve.
4. The line patrol alternate moving type pneumatic component and the installation method thereof as claimed in claim 3, wherein the line wheel mechanism comprises two bearing seats, the line pressing wheel is rotatably connected between the two bearing seats, the left side wall and the right side wall of the installation groove are respectively provided with limiting grooves which are up and down and run through inside and outside, and the bearing seats are fixedly connected with the thread connecting sleeve through long bolts.
5. The line patrol alternate moving type pneumatic assembly and the installation method thereof as claimed in claim 1, wherein air supply pipes can be respectively installed at the front end and the rear end of the two air passage channels, first air brake pipes can be respectively installed at the front end and the rear end of the first air brake channel, and hoses can be installed at pipe interfaces.
6. The line patrol alternate moving type pneumatic assembly and the installation method thereof as claimed in claim 5, wherein the roller mechanism comprises two brackets detachably connected in a square hole, rollers are respectively and rotatably connected to the two brackets, the two rollers are tightly pressed on the outer side of the hose, and the plane where the axes of the two rollers are located is parallel to the cross section of the moving seat.
7. The line patrol alternate moving type pneumatic assembly and the installation method thereof as claimed in claim 1, wherein the front end and the rear end of the second air brake channel are respectively provided with a second air brake pipe.
8. The line patrol alternate moving type pneumatic assembly and the installation method thereof as claimed in claim 1, wherein pressure stabilizing valves are respectively arranged in the air path channel, the first air brake channel and the second air brake channel.
9. The line patrol alternate moving type pneumatic assembly and the installation method thereof as claimed in claim 1, wherein the air supplement pipe, the first air brake pipe and the second air brake pipe have the same outer diameter, the inner diameter of the first avoidance hole is equal to the inner diameter of the second avoidance hole, and the inner diameter of the first avoidance hole is larger than the outer diameter of the air supplement pipe.
10. A method for installing an inspection alternate mobile pneumatic assembly comprises the following steps:
(1) taking one support seat, respectively connecting the front ends of the air channel pipelines on the left side and the right side of the support seat with air supply pipes, connecting the front end of a first air brake channel on the support seat with a first air brake pipe, and plugging a pipeline interface at the front end of the support seat to define a combination A;
(2) taking another support seat, respectively connecting the front ends of the air channel pipelines on the left side and the right side of the support seat with air supply pipes, connecting a first air brake channel at the front end of the support seat with a first air brake pipe, and connecting a pipeline interface at the front end of the support seat with a hose to define a combination B;
(3) taking one moving seat, connecting a second air brake pipe to the front end of a second air brake channel on the moving seat, and defining the second air brake pipe as a combination C;
(4) two air supply pipes and a first air brake pipe in the combination B are respectively inserted into corresponding second avoidance holes in the combination C, the hose in the combination B passes through the roller mechanism, and the two rollers are extruded outside the hose;
(5) inserting a second air brake pipe in the combination C into a first avoidance hole in the combination A;
(6) then connecting two air supply pipes in the combination B into two air path channels in the combination A, and connecting a first air brake pipe in the combination B into a first air brake channel in the combination A;
(7) plugging the pipeline interface exposed at the rear end in the combination B, and plugging the rear end of the first air brake channel exposed in the combination C;
(8) the air supply pipe 26 and the first air brake pipe 27 in the combination A and the second air brake pipe 29 in the combination C are respectively connected with an air pressure generating device through connecting pipes which are long enough to provide a pressure source for the air pressure generating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110954280.XA CN113846554B (en) | 2021-08-19 | 2021-08-19 | Line-inspection alternate moving type pneumatic assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110954280.XA CN113846554B (en) | 2021-08-19 | 2021-08-19 | Line-inspection alternate moving type pneumatic assembly |
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| CN113846554A true CN113846554A (en) | 2021-12-28 |
| CN113846554B CN113846554B (en) | 2022-08-30 |
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| CN113846554B (en) | 2022-08-30 |
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