CN113482145A - But quick connect's precast concrete component - Google Patents
But quick connect's precast concrete component Download PDFInfo
- Publication number
- CN113482145A CN113482145A CN202110863736.1A CN202110863736A CN113482145A CN 113482145 A CN113482145 A CN 113482145A CN 202110863736 A CN202110863736 A CN 202110863736A CN 113482145 A CN113482145 A CN 113482145A
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- CN
- China
- Prior art keywords
- groove
- clamping
- prefabricated part
- push rod
- grooves
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
Abstract
The invention discloses a concrete prefabricated part capable of being quickly connected, which comprises a prefabricated part body, wherein a plurality of reinforcing steel bars are arranged on two sides of the prefabricated part body in a penetrating manner, the reinforcing steel bars on the same side are uniformly distributed, the reinforcing steel bars on the two sides are staggered, one side of each reinforcing steel bar is provided with a mounting groove, the mounting groove and the reinforcing steel bar are positioned on the same horizontal line, one end of the mounting groove is provided with a clamping groove, two clamping blocks are symmetrically arranged in the clamping groove, the side surfaces, close to each other, of the clamping blocks are provided with clamping grooves, the end, close to the mounting groove, of the side surface of each clamping block is provided with taper, one end of each clamping groove is provided with taper the same as that of each clamping block, the side surfaces of the prefabricated part body are symmetrically provided with sliding grooves, the sliding grooves are communicated with the corresponding clamping grooves, the sliding grooves are mutually vertical to each other, a locking assembly is arranged in the sliding grooves in a sliding manner, the locking assembly is in transmission fit with the clamping blocks, and is in a sliding fit with the reinforcing steel bars, the invention has reasonable structure and solves the problems of troublesome installation and high installation requirement of the traditional prefabricated part.
Description
Technical Field
The invention relates to the technical field of building material accessories, in particular to a concrete prefabricated part capable of being quickly connected.
Background
Precast concrete members (PC members) are the foundation on which the prefabrication of the main structure is achieved. Such as a prefabricated foundation.
In current assembled structure, the concatenation department of each prefabricated component generally all uses the reinforcing bar to connect, specifically is with each prefabricated component vertical distribution to use reinforcing bar connection and sleeve grout to connect and indirect overlap joint thick liquid anchor connects etc. the cost is higher relatively, and the plumpness and the intensity of grout material are difficult to detect, still have higher requirement to component processing and installation accuracy, provide a solution to above problem below.
Disclosure of Invention
The invention aims to provide a concrete prefabricated part capable of being quickly connected, and solves the problems of troublesome installation and high installation requirement of the traditional prefabricated part.
The technical purpose of the invention is realized by the following technical scheme:
a concrete prefabricated part capable of being quickly connected comprises a prefabricated part body, wherein a plurality of reinforcing steel bars are arranged on two sides of the prefabricated part body in a penetrating mode, the reinforcing steel bars on the same side are uniformly distributed, the reinforcing steel bars on two sides are staggered, a mounting groove is formed in one side of each reinforcing steel bar, the mounting groove and the reinforcing steel bars are located on the same horizontal line, a clamping groove is formed in one end of the mounting groove, two clamping blocks are symmetrically arranged in the clamping groove, clamping grooves are formed in the side faces, close to each other, of the clamping blocks, the end, close to the mounting groove, of the side faces of the clamping blocks is provided with taper, the taper is the same as that of the clamping blocks, sliding grooves are symmetrically formed in the side faces of the prefabricated part body, the sliding grooves are communicated with the corresponding clamping grooves, the sliding grooves are perpendicular to the clamping grooves, and a locking assembly is arranged in the sliding grooves in a sliding mode, the locking assembly is in transmission fit with the clamping block and is in sliding fit with the steel bar.
By adopting the technical scheme, when in installation, the two prefabricated component bodies are oppositely arranged end to end, one of the prefabricated component bodies is pushed, the steel bars on the two prefabricated component bodies are respectively inserted into the corresponding mounting grooves, the steel bars are continuously pushed after entering the mounting grooves, the steel bars enter between the two clamping blocks, when the side surfaces of the two prefabricated component bodies are mutually attached, the locking assembly is started and moves along the sliding groove, when the locking assembly moves, the locking assembly can act on one end of the clamping block, so that the clamping block is stressed to move along the clamping groove towards the direction of the mounting groove, because the taper exists between the clamping block and the clamping groove, when the clamping block moves, the two clamping blocks can move towards the direction close to each other, the two clamping blocks can move to drive the clamping grooves to move mutually, the clamping grooves can clamp the side surfaces of the steel bars, and the steel bars are fixed through the two clamping grooves, the clamping groove increases the contact area between the clamping block and the steel bar, the stability is ensured, and meanwhile, when the clamping block moves, the clamping groove can clamp and fix the clamping block, the clamping block is prevented from scattering, the locking assembly is matched with the sliding groove, so that the locking assembly cannot move, the locking assembly can further support and block the clamping block, the stability is further improved, the connection mode of multiple steel bars is adopted, and the stability of connection between two prefabricated component bodies is ensured.
Preferably, the locking assembly comprises a push rod, the push rod is arranged inside the sliding groove in a sliding mode, a plurality of through grooves are evenly formed in the side face of the push rod, the reinforcing steel bar penetrates through the corresponding through grooves, triangular grooves are formed in one sides of the through grooves, triangular blocks are arranged inside the triangular grooves in a sliding mode, one sides of the triangular blocks are symmetrical and fixedly connected with connecting pieces, and one ends of the connecting pieces are fixedly connected with one ends of the corresponding clamping blocks.
Adopt above-mentioned technical scheme, the push rod removes, the push rod can drive the triangular groove on the push rod and remove, can promote three hornblocks and remove when the triangular groove removes, make three hornblocks atress remove towards draw-in groove inside, three hornblocks remove and can drive the connection piece and remove, the connection piece removes and can drive the clamp splice and remove, thereby promote the clamp splice and remove, can remove towards the direction that is close to each other when the clamp splice removes, thereby the clamp splice can crooked connection piece, the separation between three hornblocks and the clamp splice has been avoided to the connection piece, simultaneously when the push rod moves, the push rod can drive logical groove and remove, lead to the groove and avoided the reinforcing bar to the influence of push rod.
Preferably, the two sides of the sliding groove are symmetrically provided with limiting grooves, limiting blocks are arranged in the limiting grooves in a sliding mode, and one ends of the limiting blocks are fixedly connected with the side face of one side of the push rod.
By adopting the technical scheme, the limiting groove plays a limiting role in the limiting block, and the limiting block is fixedly connected with the push rod, so that the limiting groove can limit the stroke of the push rod, and the push rod is prevented from falling from the inside of the sliding groove.
Preferably, an annular clamping pad for increasing friction force is fixedly connected to the inside of the clamping groove.
By adopting the technical scheme, the inner surface of the annular clamping pad is rough, and the annular clamping pad has large friction force and further fixes the steel bar.
Preferably, a connecting rod is fixedly connected to one side of the clamping block, one end of the connecting rod is fixedly connected with the prefabricated part body, and a cutter groove is formed in the side surface, close to the clamping block, of one side of the connecting rod.
Adopt above-mentioned technical scheme, the connecting rod is fixed the clamp splice, avoids the prefabricated component body to lead to rocking when the transportation, influences the later stage installation, and when locking subassembly promoted the clamp splice, the clamp splice motion can make clamp splice and connecting rod follow sword groove fracture, and the sword groove has made things convenient for the fracture of connecting rod.
Preferably, the side cross section of the sliding chute is an inverted isosceles trapezoid, and the push rod and the sliding chute are matched with each other.
By adopting the technical scheme, the push rod can be fixed by the slide groove when moving due to the isosceles trapezoid design of the slide groove, and the push rod is prevented from falling out of the slide groove.
Preferably, a plurality of ribs are uniformly arranged on the side surface of the steel bar, which is positioned outside the prefabricated part body.
By adopting the technical scheme, the convex edge plays a role in increasing the contact area and can play a role in blocking, thereby ensuring the connection stability.
Preferably, one end of the mounting groove is provided with a chamfer.
Adopt above-mentioned technical scheme, the design of chamfer avoids the mounting groove side to the injury of user on the one hand, and on the other hand can make things convenient for the inserting of reinforcing bar.
Preferably, a fixing rod is arranged on the side surface of the push rod, which is positioned on one side of the prefabricated part body, in a penetrating manner, and the fixing rod is fixedly connected with the prefabricated part body.
By adopting the technical scheme, the fixed rod can avoid the shaking of the push rod, and when the push rod is pushed, the push rod is stressed on the fixed rod, so that the fixed rod is broken, and the push rod is moved in the aspect.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a sectional view of a front view of the embodiment;
FIG. 3 is a sectional view of a side view of the embodiment;
fig. 4 is an enlarged view of a.
Reference numerals: 1. a prefabricated component body; 2. reinforcing steel bars; 3. mounting grooves; 4. a card slot; 5. a clamping block; 6. a clamping groove; 7. a chute; 8. a locking assembly; 9. a push rod; 10. a through groove; 11. a triangular groove; 12. a triangular block; 13. connecting sheets; 14. a limiting groove; 15. a limiting block; 16. an annular clamping pad; 17. a connecting rod; 18. a cutter groove; 19. a rib; 20. and (5) fixing the rod.
Detailed Description
The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.
See fig. 1 to 4 show, but a concrete prefabricated component of high-speed joint, including prefabricated component body 1, a plurality of reinforcing bars 2 are all worn to be equipped with in the both sides of prefabricated component body 1, and the reinforcing bar 2 of a plurality of homonymies evenly arranges, and the reinforcing bar 2 of both sides staggers each other, and mounting groove 3 has been seted up in one side setting of reinforcing bar 2, and the chamfer has been seted up to the one end of mounting groove 3, and the design of chamfer avoids the 3 side of mounting groove to user's injury, and mounting groove 3 is located same water flat line with reinforcing bar 2.
During the installation, with 1 head-to-tail relative placement of two prefabricated component bodies, promote one of them prefabricated component body 1 for inside reinforcing bar 2 on two prefabricated component bodies 1 inserted corresponding mounting groove 3 respectively, the chamfer can make things convenient for the insertion of reinforcing bar 2.
Draw-in groove 4 has been seted up to the one end of mounting groove 3, and the inside symmetry of draw-in groove 4 is provided with two clamp splices 5, one side fixedly connected with connecting rod 17 of clamp splice 5, and the one end and the 1 fixed connection of prefabricated component body of connecting rod 17, connecting rod 17 are fixed clamp splice 5, avoid prefabricated component body 1 to lead to rocking when the transportation, influence the later stage installation, and clamp groove 6 has been seted up to the side that clamp splice 5 is close to each other.
After the steel bar 2 enters the mounting groove 3, the steel bar 2 is continuously pushed to enter between the two clamping blocks 5, when the side surfaces of the two prefabricated part bodies 1 are mutually clung,
the side surface of the prefabricated part body 1 is symmetrically provided with sliding chutes 7, the sliding chutes 7 are communicated with the corresponding clamping grooves 4, the sliding groove 7 and the clamping groove 4 are mutually vertical, a locking assembly 8 is arranged in the sliding groove 7 in a sliding manner, the locking assembly 8 comprises a push rod 9, the push rod 9 is arranged in the sliding groove 7 in a sliding manner, a fixing rod 20 penetrates through the side surface of one side, located on the prefabricated part body 1, of the push rod 9, the fixing rod 20 is fixedly connected with the prefabricated part body 1, the fixing rod 20 can avoid shaking of the push rod 9, limiting grooves 14 are symmetrically formed in two sides of the sliding groove 7, limiting blocks 15 are arranged in the limiting grooves 14 in a sliding manner, one end of each limiting block 15 is fixedly connected with the side surface of one side of the push rod 9, and the limiting grooves 14 limit the limiting blocks 15, because the limiting block 15 is fixedly connected with the push rod 9, the limiting groove 14 can limit the stroke of the push rod 9, and the push rod 9 is prevented from falling from the inside of the sliding groove 7.
A plurality of logical grooves 10 have evenly been seted up to the side of push rod 9, and reinforcing bar 2 passes corresponding logical groove 10, leads to groove 10 and has avoided reinforcing bar 2 to the influence of push rod 9, leads to one side of groove 10 and has seted up triangular groove 11, and the inside slip of triangular groove 11 is provided with three hornblocks 12, and one side symmetry and the fixedly connected with connection piece 13 of three hornblocks 12, the one end of connection piece 13 and the one end fixed connection of corresponding clamp splice 5.
The one end that the side of clamp splice 5 is close to mounting groove 3 is provided with the tapering, and the tapering the same with clamp splice 5 is seted up to the one end of draw-in groove 4, can move towards the direction that is close to each other when clamp splice 5 removes to clamp splice 5 can crooked connection piece 13, separation between triangular block 12 and the clamp splice 5 has been avoided to connection piece 13.
The two clamping blocks 5 can move towards the direction close to each other, the two clamping blocks 5 can drive the clamping grooves 6 to move mutually, the inside of each clamping groove 6 is fixedly connected with an annular clamping pad 16 used for increasing friction force, the clamping grooves 6 can drive the annular clamping pads 16 to clamp the side face of the steel bar 2, a plurality of convex edges 19 are uniformly arranged on the side face of one side, located outside the prefabricated part body 1, of the steel bar 2, the inner surface of each annular clamping pad 16 is rough, the annular clamping pads have large friction force, the steel bar 2 is further fixed, the convex edges 19 play a role in increasing the contact area and can play a role in blocking at the same time, so that the connection stability is ensured, the steel bar 2 is fixed through the two clamping grooves 6, the clamping grooves 6 increase the contact area between the clamping blocks 5 and the steel bar 2, the stability is ensured, and meanwhile when the clamping blocks 5 move, the clamping grooves 4 can clamp and fix the clamping blocks 5, the spreading of the clamping blocks 5 is avoided,
the side section of the sliding chute 7 is an inverted isosceles trapezoid, and the push rod 9 and the sliding chute 7 are matched with each other.
The design of 7 isosceles trapezoids of spout can be so that push rod 9 when removing, and spout 7 can be fixed push rod 9, avoids push rod 9 to fall out from 7 insides of spout, and push rod 9 can advance to support and block clamp splice 5, further increases stability, and adopts the connected mode of many reinforcing bars 2, has guaranteed the stability of the connection between two prefabricated component bodies 1.
Claims (9)
1. A concrete prefabricated part capable of being quickly connected comprises a prefabricated part body (1) and is characterized in that a plurality of reinforcing steel bars (2) are arranged on two sides of the prefabricated part body (1) in a penetrating mode, the reinforcing steel bars (2) on the same side are uniformly distributed, the reinforcing steel bars (2) on the two sides are staggered mutually, a mounting groove (3) is formed in one side of each reinforcing steel bar (2), the mounting groove (3) and the reinforcing steel bars (2) are located on the same horizontal line, a clamping groove (4) is formed in one end of the mounting groove (3), two clamping blocks (5) are symmetrically arranged in the clamping groove (4), clamping grooves (6) are formed in the side faces, close to each other, of the clamping blocks (5), a taper is formed in one end, close to the mounting groove (3), of the clamping groove (4), the same taper as the clamping blocks (5) is formed in one end of the clamping groove (4), sliding grooves (7) are symmetrically formed in the side faces of the prefabricated part body (1), the steel bar fixing device is characterized in that the sliding groove (7) is communicated with the corresponding clamping groove (4), the sliding groove (7) and the clamping groove (4) are perpendicular to each other, a locking assembly (8) is arranged inside the sliding groove (7) in a sliding mode, the locking assembly (8) is in transmission fit with the clamping block (5), and the locking assembly (8) is in sliding fit with the steel bar (2).
2. The concrete prefabricated part capable of being quickly connected according to claim 1, wherein the locking assembly (8) comprises a push rod (9), the push rod (9) is slidably arranged inside the sliding groove (7), a plurality of through grooves (10) are uniformly formed in the side surface of the push rod (9), the steel bars (2) penetrate through the corresponding through grooves (10), a triangular groove (11) is formed in one side of each through groove (10), a triangular block (12) is slidably arranged inside each triangular groove (11), one side of each triangular block (12) is symmetrically and fixedly connected with a connecting piece (13), and one end of each connecting piece (13) is fixedly connected with one end of the corresponding clamping block (5).
3. The concrete prefabricated part capable of being quickly connected according to claim 2, wherein limiting grooves (14) are symmetrically formed in two sides of the sliding groove (7), a limiting block (15) is slidably arranged in each limiting groove (14), and one end of each limiting block (15) is fixedly connected with one side face of the push rod (9).
4. A quickly connectable concrete precast element according to claim 1, wherein an annular grip pad (16) for increasing a frictional force is fixedly connected to the inside of the grip groove (6).
5. The concrete prefabricated part capable of being quickly connected according to the claim 1, characterized in that a connecting rod (17) is fixedly connected to one side of the clamping block (5), one end of the connecting rod (17) is fixedly connected with the prefabricated part body (1), and a tool slot (18) is formed in the side surface of the connecting rod (17) close to one side of the clamping block (5).
6. A quickly connectable precast concrete member according to claim 2, wherein the side section of the slide groove (7) is an inverted isosceles trapezoid, and the push rod (9) and the slide groove (7) are adapted to each other.
7. A quickly connectable precast concrete unit according to claim 1, wherein the reinforcing bars (2) are provided with a plurality of ribs (19) uniformly on one side surface outside the precast concrete unit body (1).
8. The concrete precast element capable of being rapidly connected according to claim 1, wherein one end of the installation groove (3) is chamfered.
9. The concrete precast element capable of being rapidly connected according to claim 2, wherein a fixing rod (20) is penetrated through the side surface of the push rod (9) on one side of the precast element body (1), and the fixing rod (20) is fixedly connected with the precast element body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110863736.1A CN113482145B (en) | 2021-07-29 | 2021-07-29 | But quick connect's precast concrete component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110863736.1A CN113482145B (en) | 2021-07-29 | 2021-07-29 | But quick connect's precast concrete component |
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| Publication Number | Publication Date |
|---|---|
| CN113482145A true CN113482145A (en) | 2021-10-08 |
| CN113482145B CN113482145B (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110863736.1A Active CN113482145B (en) | 2021-07-29 | 2021-07-29 | But quick connect's precast concrete component |
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| CN (1) | CN113482145B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931340A (en) * | 2021-10-09 | 2022-01-14 | 湖南大学设计研究院有限公司 | Assembled semi-embedded external wall panel and building |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2611829A1 (en) * | 1987-03-03 | 1988-09-09 | Campenon Bernard Btp | Method and device for anchoring in a solid body |
| CN1175296A (en) * | 1994-12-24 | 1998-03-04 | Ccl系统有限公司 | Anchorage assembly |
| US9091064B1 (en) * | 2014-03-10 | 2015-07-28 | Christian L. Dahl | Rebar anchorage device and method for connecting same to a rebar |
| DE102014008166A1 (en) * | 2014-06-10 | 2015-12-17 | Firep Rebar Technology Gmbh | High strength fastening device |
| CN107724543A (en) * | 2017-12-02 | 2018-02-23 | 成都魔童童工业设计有限公司 | A kind of assembled type concrete prefabricated part |
| CN108149847A (en) * | 2018-02-06 | 2018-06-12 | 俞晓东 | For the steel strand wires locking device of concrete prefabricated element |
| CN207905247U (en) * | 2018-01-31 | 2018-09-25 | 刘振华 | Reinforcing bar Quick mechanical connection structure |
| CN109138154A (en) * | 2018-10-19 | 2019-01-04 | 南通大学 | A kind of fabric concrete prefabricated element joint connecting method |
-
2021
- 2021-07-29 CN CN202110863736.1A patent/CN113482145B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2611829A1 (en) * | 1987-03-03 | 1988-09-09 | Campenon Bernard Btp | Method and device for anchoring in a solid body |
| CN1175296A (en) * | 1994-12-24 | 1998-03-04 | Ccl系统有限公司 | Anchorage assembly |
| US9091064B1 (en) * | 2014-03-10 | 2015-07-28 | Christian L. Dahl | Rebar anchorage device and method for connecting same to a rebar |
| DE102014008166A1 (en) * | 2014-06-10 | 2015-12-17 | Firep Rebar Technology Gmbh | High strength fastening device |
| CN107724543A (en) * | 2017-12-02 | 2018-02-23 | 成都魔童童工业设计有限公司 | A kind of assembled type concrete prefabricated part |
| CN207905247U (en) * | 2018-01-31 | 2018-09-25 | 刘振华 | Reinforcing bar Quick mechanical connection structure |
| CN108149847A (en) * | 2018-02-06 | 2018-06-12 | 俞晓东 | For the steel strand wires locking device of concrete prefabricated element |
| CN109138154A (en) * | 2018-10-19 | 2019-01-04 | 南通大学 | A kind of fabric concrete prefabricated element joint connecting method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931340A (en) * | 2021-10-09 | 2022-01-14 | 湖南大学设计研究院有限公司 | Assembled semi-embedded external wall panel and building |
| CN113931340B (en) * | 2021-10-09 | 2022-07-05 | 湖南大学设计研究院有限公司 | Assembled semi-embedded external wall panel and building |
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|---|---|
| CN113482145B (en) | 2022-07-12 |
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