CN115324037A - High-bearing-capacity pipe pile material proportioning method and high-bearing-capacity pipe pile - Google Patents
High-bearing-capacity pipe pile material proportioning method and high-bearing-capacity pipe pile Download PDFInfo
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- CN115324037A CN115324037A CN202211110785.9A CN202211110785A CN115324037A CN 115324037 A CN115324037 A CN 115324037A CN 202211110785 A CN202211110785 A CN 202211110785A CN 115324037 A CN115324037 A CN 115324037A
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- 239000000463 material Substances 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 48
- 239000004567 concrete Substances 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 38
- 210000002435 tendon Anatomy 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000011178 precast concrete Substances 0.000 claims 1
- 239000011150 reinforced concrete Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 8
- 230000000149 penetrating effect Effects 0.000 description 7
- 230000000452 restraining effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/60—Piles with protecting cases
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention relates to the technical field of pipe piles, in particular to a high-bearing-capacity pipe pile which comprises a concrete prefabricated pipe pile body, wherein connecting flanges are integrally formed at two ends of the concrete prefabricated pipe pile body, a tendon slot is formed in the outer ring surface of the concrete prefabricated pipe pile body, and a pre-buried ring and a reinforcing ring are pre-buried in the concrete prefabricated pipe pile body; the metal connecting ring is sleeved on the outer side of the connecting flange, and the connecting flange and the metal connecting ring are inserted and limited through the catching grooves; the connecting notch is formed in the surface of the connecting flange, and the inside of the connecting notch is in threaded connection with the connecting ring; the beneficial effects are that: the high-bearing capacity tubular pile material proportioning method and the high-bearing capacity tubular pile provided by the invention have the structure that the metal connecting rings are detachably and selectively installed, the reinforcing ribs are additionally arranged between the metal connecting rings at two ends of the concrete prefabricated tubular pile body, and when the metal connecting rings are smashed, the reinforcing ribs are matched with the concrete prefabricated tubular pile body to be jointly loaded, so that the hidden danger of damage to the end part of the concrete prefabricated tubular pile is reduced.
Description
Technical Field
The invention relates to the field of tubular piles, in particular to a high-bearing capacity tubular pile material proportioning method and a high-bearing capacity tubular pile.
Background
The tubular pile is a prefabricated engineering pile, is used as a foundation material of a building, is driven into the ground by a pile driver in a specific geological environment, and has a stress function in the building and the structure, and the tubular pile has two main purposes, namely, the tubular pile is used for transmitting the weight of the building to a soil layer with high bearing capacity at the lower layer through the tubular pile so as to improve the stability of the building; and the other is to compact the soft layer, thereby improving the bearing capacity of the foundation soil.
In the prior art, the tubular pile is provided with the metal sheet, and when the tubular pile is inserted into the base layer and hit, the damage of the end part of the tubular pile is avoided due to the metal sheet, so that the smoothness of butt joint after the two tubular piles are stacked and hit into the base layer is realized.
However, the existing tubular metal sheets are mostly poured in the tubular pile, so that the tubular pile is inconvenient to selectively install according to actual needs, and after the tubular pile is hit, the metal sheets apply all loads to the tubular pile, so that the end part of the tubular pile is easily damaged.
Disclosure of Invention
The invention aims to provide a high-bearing capacity tubular pile material proportioning method and a high-bearing capacity tubular pile, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the high-bearing capacity pipe pile material proportioning method is characterized by comprising the following steps: the method comprises the following steps:
adding raw materials including cement, sand, water and an additive into a stirring tank for mixing;
the additive comprises 0.5-0.7% of a water reducing agent and 1.5-3.5% of a water reducing agent.
A high-bearing-capacity tubular pile made of a high-bearing-capacity tubular pile material comprises a concrete prefabricated tubular pile body, wherein connecting flanges are integrally formed at two ends of the concrete prefabricated tubular pile body, a tendon groove is formed in the outer annular surface of the concrete prefabricated tubular pile body, and a pre-embedded ring and a reinforcing ring are pre-embedded in the concrete prefabricated tubular pile body;
the metal connecting ring is sleeved on the outer side of the connecting flange, and the connecting flange and the metal connecting ring are inserted and limited through the catching grooves; and
the connecting notch is formed in the surface of the connecting flange, and the inside of the connecting notch is in threaded connection with the connecting ring.
Preferably, the connecting flange is of an annular plate-shaped structure, the ring surface of the connecting flange is centered on the ring surface of the concrete prefabricated tubular pile body, the surface of the metal connecting ring is provided with a buckling groove, and the connecting flange is movably inserted into the buckling groove.
Preferably, the ring surface of the metal connecting ring facing the concrete prefabricated tubular pile body is provided with a plurality of reinforcing ribs, the reinforcing ribs are inserted into the rib restraining grooves, the plurality of reinforcing ribs are distributed along the edge of the outer ring of the metal connecting ring, and the reinforcing ribs correspond to the rib restraining grooves one by one.
Preferably, the embedded ring is of an annular plate-shaped structure, the reinforcing ring is of a tubular structure, the reinforcing ring is fixed to the surface of the embedded ring and perpendicular to the embedded ring, a plurality of anti-falling clamping grooves are formed in the inner ring surface of the reinforcing ring and the outer ring surface of the reinforcing ring, the number of the embedded rings is two, and the two embedded rings are symmetrically distributed about the center of the long edge of the concrete prefabricated tubular pile body.
Preferably, the surface of the reinforcing ring is provided with a through opening, the surface of the connecting flange is provided with two groups of mounting openings, the mounting openings are in a shape of a convex circle, and the two groups of mounting openings are symmetrically distributed around the through opening.
Preferably, the threaded sleeve is inserted into the through hole, fixing plates are arranged at two ends of the threaded sleeve and fixed on the connecting flange through screws, the caliber of an inner ring of each fixing plate is larger than that of an inner ring of the threaded sleeve, the threaded sleeve is in threaded connection with the through rod, and the fixing plates are located inside the mounting hole.
Preferably, the locating slot is opened to the one end of wearing the pole, and the one end of locating slot inserts in the spacing rotary tank, and the surface at the catching groove is seted up to the spacing rotary tank, and the surface at spacing rotary tank is provided with the reference column, and the reference column inserts in the locating slot.
Preferably, the interior anchor ring has been seted up to the interior anchor ring's interior anchor ring, and the mounting groove has been seted up on the surface of interior anchor ring, and the pole of wearing runs through the mounting groove, and the inside sliding connection of interior anchor ring has the removal to keep off the ring, and the removal keeps off the interior anchor ring of ring and is provided with a plurality of rib rings.
Preferably, a plurality of perforations are formed in the surface of the movable baffle ring, a limiting guide rod is movably inserted in the perforations and fixed on the surface of the inner ring groove, a spring is sleeved on the outer side of the limiting guide rod, and the spring is fixed between the movable baffle ring and the inner ring groove.
Compared with the prior art, the invention has the beneficial effects that:
the high-bearing capacity tubular pile material proportioning method and the high-bearing capacity tubular pile provided by the invention have the advantages that the metal connecting rings are of a structure which can be disassembled, selectively assembled and installed, the reinforcing ribs are additionally arranged between the metal connecting rings at the two ends of the prefabricated concrete tubular pile body, and when the metal connecting rings are smashed, the reinforcing ribs are matched with the prefabricated concrete tubular pile body to be jointly loaded, so that the hidden danger of damage to the end part of the prefabricated concrete tubular pile body is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 2;
FIG. 4 is an enlarged view of the structure at C in FIG. 3;
FIG. 5 is a schematic view of the structure of the connecting flange of the present invention.
In the figure: the concrete precast tubular pile comprises a concrete precast tubular pile body 1, a connecting flange 2, a metal connecting ring 3, a buckling groove 4, reinforcing ribs 5, a reinforcing rib groove 6, a pre-embedded ring 7, a reinforcing ring 8, an anti-falling clamping groove 9, a penetrating port 10, a mounting port 11, a thread sleeve 12, a fixing plate 13, a penetrating rod 14, a limiting rotary groove 15, a positioning column 16, a positioning groove 17, an inner ring groove 18, a mounting groove 19, a movable baffle ring 20, a through hole 21, a limiting guide rod 22, a spring 23, a rib ring 24, a connecting notch 25 and a connecting ring 26.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.
Example one
Referring to fig. 1 and 5, the present invention provides a technical solution: a high-bearing-capacity pipe pile comprises a concrete prefabricated pipe pile body 1, wherein connecting flanges 2 are integrally formed at two ends of the concrete prefabricated pipe pile body 1, a tendon groove 6 is formed in the outer annular surface of the concrete prefabricated pipe pile body 1, and an embedded ring 7 and a reinforcing ring 8 are embedded in the concrete prefabricated pipe pile body 1; the metal connecting ring 3 is sleeved on the outer side of the connecting flange 2, and the connecting flange 2 and the metal connecting ring 3 are inserted and limited through the catching groove 4; a connection notch 25 formed on the surface of the connection flange 2, and a connection ring 26 is screwed into the connection notch 25; the metal connecting ring 3 is the structure of dismantling the apolegamy installation to install strengthening rib 5 additional between the metal connecting ring 3 at 1 both ends of the prefabricated tubular pile body of concrete, when metal connecting ring 3 hit by a pound, strengthening rib 5 cooperates prefabricated tubular pile body 1 of concrete to bear the weight of jointly, reduces the damaged hidden danger of 1 tip of the prefabricated tubular pile body of concrete.
Example two
Referring to the attached drawing 2, the high-bearing-capacity tubular pile disclosed in the second embodiment of the present invention has a structure substantially the same as that of the first embodiment, and is different from the first embodiment in that a connection flange 2 and a metal connection ring 3 are connected, the connection flange 2 is in an annular plate structure, the annular surface of the connection flange 2 is centered on the annular surface of a prefabricated concrete tubular pile body 1, a fastening groove 4 is formed in the surface of the metal connection ring 3, the connection flange 2 is movably inserted into the fastening groove 4, a reinforcing rib 5 is arranged on the annular surface of the prefabricated concrete tubular pile body 1 facing the metal connection ring 3, the reinforcing rib 5 is inserted into a reinforcing rib groove 6, a plurality of reinforcing ribs 5 are arranged, the plurality of reinforcing ribs 5 are arranged and distributed along the outer annular edge of the metal connection ring 3, the reinforcing ribs 5 and the reinforcing rib groove 6 are in one-to-one correspondence, the embedded rings 7 are in an annular plate structure, the reinforcing rings 8 are in a tubular structure, the reinforcing rings 8 are fixed on the surface of the embedded rings 7, the reinforcing rings 8 are perpendicular to the embedded rings 7, the inner annular surface of the reinforcing rings 8 and the outer annular surface of the embedded rings 8 are symmetrically distributed with respect to the long sides of the prefabricated concrete tubular pile body 1.
EXAMPLE III
Referring to the attached drawing 3, the structure of the high-bearing-capacity tubular pile disclosed in the third embodiment of the invention is basically the same as that of the second embodiment, and the difference is that the installation of the through rod 14 is realized, the surface of the reinforcing ring 8 is provided with the through opening 10, the surface of the connecting flange 2 is provided with two groups of installation openings 11, the installation openings 11 are in a circular opening shaped like a Chinese character 'tu', the two groups of installation openings 11 are symmetrically distributed around the through opening 10, the inside of the through opening 10 is inserted with the wire sleeve 12, both ends of the wire sleeve 12 are provided with the fixing plates 13, the fixing plates 13 are fixed on the connecting flange 2 through screws, the inner ring caliber of the fixing plates 13 is larger than the inner ring caliber of the wire sleeve 12, the wire sleeve 12 is screwed with the through rod 14, and the fixing plates 13 are positioned inside the installation openings 11; a positioning groove 17 is formed in one end of the penetrating rod 14, one end of the positioning groove 17 is inserted into the limiting rotary groove 15, the limiting rotary groove 15 is formed in the surface of the buckle groove 4, a positioning column 16 is arranged on the surface of the limiting rotary groove 15, and the positioning column 16 is inserted into the positioning groove 17.
Example four
Referring to fig. 4, the high bearing capacity tubular pile disclosed in the fourth embodiment of the present invention has a structure substantially the same as that of the third embodiment, and the difference lies in that the penetrating rod 14 is shielded by releasing, the inner annular surface of the metal connecting ring 3 is provided with an inner annular groove 18, the surface of the inner annular groove 18 is provided with an installation groove 19, the penetrating rod 14 penetrates through the installation groove 19, the inner portion of the inner annular groove 18 is slidably connected with a moving baffle ring 20, the inner annular surface of the moving baffle ring 20 is provided with a plurality of rib rings 24, the surface of the moving baffle ring 20 is provided with a plurality of through holes 21, the inner portion of the through holes 21 is movably inserted with a limit guide rod 22, the limit guide rod 22 is fixed on the surface of the inner annular groove 18, the outer side of the limit guide rod 22 is sleeved with a spring 23, and the spring 23 is fixed between the moving baffle ring 20 and the inner annular groove 18.
EXAMPLE five
A high-bearing capacity tubular pile material proportioning method comprises the following steps: adding raw materials including cement, sand, water and an additive into a stirring tank for mixing; the additive comprises 0.5-0.7% of a water reducing agent and 1.5-3.5% of a water reducing agent.
In practical use, after the catching groove 4 on the surface of the metal connecting ring 3 is buckled outside the connecting flange 2, the movable retaining ring 20 is pulled to slide along the limit guide rod 22 to extrude the spring 23, the limit guide rod 22 does not shield the mounting groove 19 any more, at the moment, the penetrating rod 14 penetrates through the mounting groove 19 to be screwed in the screw sleeve 12 until the positioning groove 17 at the end part of the penetrating rod 14 is buckled on the positioning column 16, at the moment, the connecting flange 2 is connected with the metal connecting ring 3, after the movable retaining ring 20 is loosened, the spring 23 rebounds to prop against the movable retaining ring 20 to reset, the movable retaining ring 20 shields one end of the mounting groove 19, and therefore the mounting groove 19 cannot be loosened; after the two groups of metal connecting rings 3 are installed, the reinforcing ribs 5 are pushed into the reinforcing rib grooves 6, the two ends of the reinforcing ribs 5 are fixedly welded with the metal connecting rings 3 at the two ends respectively, the connecting rings 26 are installed in a matching mode according to needs, namely when the two concrete prefabricated tubular pile bodies 1 need to be spliced and assembled on the ground, the connecting rings 26 are screwed in the connecting notches 25 at the end parts of the two groups of concrete prefabricated tubular pile bodies 1, and then the two connected concrete prefabricated tubular pile bodies 1 are put into the base layer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A high-bearing capacity tubular pile material proportioning method is characterized by comprising the following steps: the method comprises the following steps:
adding raw materials including cement, sand, water and an additive into a stirring tank for mixing;
the additive comprises 0.5-0.7% of a water reducing agent and 1.5-3.5% of a water reducing agent.
2. A high bearing capacity tubular pile made of the high bearing capacity tubular pile material according to claim 1, comprising a concrete prefabricated tubular pile body (1), characterized in that: the concrete prefabricated tubular pile comprises a concrete prefabricated tubular pile body (1), wherein connecting flanges (2) are integrally formed at two ends of the concrete prefabricated tubular pile body (1), a tendon groove (6) is formed in the outer ring surface of the concrete prefabricated tubular pile body (1), and a pre-buried ring (7) and a reinforcing ring (8) are pre-buried in the concrete prefabricated tubular pile body (1);
the metal connecting ring (3) is sleeved on the outer side of the connecting flange (2), and the connecting flange (2) and the metal connecting ring (3) are inserted and limited through the catching groove (4); and
and the connecting notch (25) is formed in the surface of the connecting flange (2), and the inside of the connecting notch (25) is in threaded connection with the connecting ring (26).
3. A high bearing capacity tubular pile according to claim 2, characterized in that: the connecting flange (2) is of an annular plate-shaped structure, the ring surface of the connecting flange (2) is centered on the ring surface of the concrete prefabricated pipe pile body (1), the surface of the metal connecting ring (3) is provided with a buckle groove (4), and the connecting flange (2) is movably inserted into the buckle groove (4).
4. A high bearing capacity tubular pile according to claim 3, characterized in that: the reinforced concrete pipe pile is characterized in that reinforcing ribs (5) are arranged on the ring surface of the metal connecting ring (3) facing the concrete prefabricated pipe pile body (1), the reinforcing ribs (5) are inserted into the reinforcing rib binding grooves (6), the reinforcing ribs (5) are arranged in a plurality of numbers, the reinforcing ribs (5) are distributed along the edge of the outer ring of the metal connecting ring (3), and the reinforcing ribs (5) correspond to the reinforcing rib binding grooves (6) one to one.
5. The high bearing capacity tubular pile of claim 4, wherein: pre-buried ring (7) are annular platelike structure, and reinforcing ring (8) are the tubular structure, and reinforcing ring (8) are fixed on the surface of pre-buried ring (7), and reinforcing ring (8) and pre-buried ring (7) are perpendicular, and a plurality of anticreep card silo (9) have all been seted up to the inner ring surface of reinforcing ring (8) and the outer anchor ring of reinforcing ring (8), and pre-buried ring (7) are provided with two, and two pre-buried ring (7) are about the long limit central symmetry distribution of the precast concrete tubular pile body (1).
6. The high bearing capacity tubular pile of claim 5, wherein: the surface of the reinforcing ring (8) is provided with a through opening (10), the surface of the connecting flange (2) is provided with two groups of mounting openings (11), the mounting openings (11) are round openings shaped like a Chinese character 'tu', and the two groups of mounting openings (11) are symmetrically distributed about the through opening (10).
7. The high bearing capacity tubular pile of claim 6, wherein: the inner part of the through hole (10) is inserted with a screw sleeve (12), two ends of the screw sleeve (12) are respectively provided with a fixing plate (13), the fixing plates (13) are fixed on the connecting flange (2) through screws, the inner ring caliber of each fixing plate (13) is larger than that of the corresponding screw sleeve (12), the screw sleeves (12) are in threaded connection with the through rods (14), and the fixing plates (13) are located in the mounting holes (11).
8. The high bearing capacity tubular pile of claim 7, wherein: locating slot (17) have been seted up to the one end of wearing pole (14), and the one end of locating slot (17) inserts in spacing rotary tank (15), and spacing rotary tank (15) are seted up on the surface of catching groove (4), and the surface of spacing rotary tank (15) is provided with reference column (16), and reference column (16) insert in locating slot (17).
9. The high bearing capacity tubular pile of claim 8, wherein: inner ring groove (18) have been seted up to the interior anchor ring of metal connecting ring (3), and mounting groove (19) have been seted up on the surface of inner ring groove (18), wear pole (14) to run through mounting groove (19), and the inside sliding connection of inner ring groove (18) has removal to keep off ring (20), and the interior anchor ring that removes to keep off ring (20) is provided with a plurality of rib rings (24).
10. A high bearing capacity tubular pile according to claim 9, characterized in that: a plurality of perforations (21) are formed in the surface of the movable baffle ring (20), a limiting guide rod (22) is movably inserted into the inner portion of each perforation (21), the limiting guide rod (22) is fixed to the surface of the inner ring groove (18), a spring (23) is sleeved on the outer side of the limiting guide rod (22), and the spring (23) is fixed between the movable baffle ring (20) and the inner ring groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211110785.9A CN115324037A (en) | 2022-09-13 | 2022-09-13 | High-bearing-capacity pipe pile material proportioning method and high-bearing-capacity pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211110785.9A CN115324037A (en) | 2022-09-13 | 2022-09-13 | High-bearing-capacity pipe pile material proportioning method and high-bearing-capacity pipe pile |
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| CN115324037A true CN115324037A (en) | 2022-11-11 |
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| CN202211110785.9A Pending CN115324037A (en) | 2022-09-13 | 2022-09-13 | High-bearing-capacity pipe pile material proportioning method and high-bearing-capacity pipe pile |
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2022
- 2022-09-13 CN CN202211110785.9A patent/CN115324037A/en active Pending
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