CN114525807A - Large-scale steel construction built-in fitting - Google Patents
Large-scale steel construction built-in fitting Download PDFInfo
- Publication number
- CN114525807A CN114525807A CN202210146276.5A CN202210146276A CN114525807A CN 114525807 A CN114525807 A CN 114525807A CN 202210146276 A CN202210146276 A CN 202210146276A CN 114525807 A CN114525807 A CN 114525807A
- Authority
- CN
- China
- Prior art keywords
- rod
- seat
- sliding
- guide rail
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
- Connection Of Plates (AREA)
Abstract
The invention is suitable for the building field, and provides a large-scale steel structure embedded part, which comprises a support frame and also comprises: the supporting frame is rotatably connected with an adjusting sleeve, the adjusting sleeve is in threaded connection with a supporting shaft, the supporting shaft is rotatably connected with a guide rail, the supporting shaft is fixedly connected with a positioning component, and the guide rail is slidably connected with a fixed seat; the fixing seat is connected with a bolt in a sliding manner, a slot cavity is formed in the fixing seat, a sliding part is connected in the slot cavity in a sliding manner, and a guide slot is formed in the sliding part; the slider sliding connection has thrust mechanism, the slider is connected with the locating pin, the locating pin is with the lateral wall sliding connection of fixing base. The embedded part is fixed by elastically clamping the plate ribs through the clamping mechanism, the guide rail is rotated to adjust the connecting direction of the fixed seat, and then the embedded part is abutted against the guide rail through the positioning component; and the rectangular connecting seat of the steel structure penetrates through the guide groove of the fixing seat, so that the fixing seat is connected with the rectangular connecting seat of the steel structure in a sliding manner.
Description
Technical Field
The invention belongs to the field of buildings, and particularly relates to a large-scale steel structure embedded part.
Background
With the rapid development of the building industry, the design function of modern building structures meets basic requirements, and requirements of landscaping, artistry and the like are increased, so that a large number of reinforced concrete structures with complex structures and various forms are generated in construction, and embedded parts are required.
The embedded part is a member which is embedded in hidden engineering in advance. The structural parts arranged during the structure pouring are used for overlapping when the superstructure is built, so that the installation and the fixation of an external engineering equipment foundation are facilitated. After the existing large-scale steel structure embedded part is embedded, the fixed position is not easy to adjust, and the stability is poor. In order to avoid the above technical problems, it is necessary to provide a large steel structure embedded part to overcome the above-mentioned defects in the prior art.
Disclosure of Invention
The invention aims to provide a large-scale steel structure embedded part, and aims to solve the problems that the fixed position is not easy to adjust and the stability is poor after the existing large-scale steel structure embedded part is embedded.
The invention is realized in this way, a large-scale steel structure embedded part, including the support frame, also includes:
the clamping mechanism is connected with the supporting frame and can elastically clamp the plate rib;
the support frame is rotatably connected with an adjusting sleeve, the adjusting sleeve is in threaded connection with a support shaft, the support shaft is rotatably connected with a guide rail, the support shaft is fixedly connected with a positioning component, the positioning component can be abutted and fixed with the guide rail, and the guide rail is slidably connected with a fixed seat;
the fixing seat is connected with a bolt in a sliding manner, a slot cavity is formed in the fixing seat, a sliding piece is connected in the slot cavity in a sliding manner, a guide slot is formed in the sliding piece, the guide slot is obliquely arranged relative to a horizontal plane, and the bolt is connected with the guide slot in a sliding manner;
the sliding part is connected with a thrust mechanism in a sliding mode, the thrust mechanism can push the sliding part to slide in the groove cavity, the sliding part is connected with a positioning pin, the positioning pin is connected with the side wall of the fixing seat in a sliding mode, and the positioning pin can be fixed with the guide rail in an abutting mode under the driving of the sliding part.
According to the technical scheme, the inner side of the guide rail is provided with the rack, and the positioning pin can be clamped and fixed with the rack.
According to the technical scheme, the thrust mechanism comprises a push rod, an insertion rod is fixedly connected to the end portion of the push rod, a guide hole is formed in the sliding piece, the guide hole is equivalent to the inclined arrangement of the push rod, the insertion rod is connected with the guide hole in a sliding mode, a power assembly is connected between the push rod and the fixing base, and the power assembly is used for driving the insertion rod to slide relative to the guide hole.
According to a further technical scheme, the power assembly comprises a driving rod, the driving rod is in threaded connection with the fixing seat, the driving rod is in sliding penetrating connection with the push rod, and a spring is connected between the driving rod and the push rod.
According to a further technical scheme, the positioning component comprises a supporting seat, the supporting seat is fixedly connected with the supporting shaft, a positioning rod is in threaded connection with the supporting seat, and the positioning rod can be abutted and fixed with the guide rail.
According to a further technical scheme, a spiral spring is connected between the bolt and the fixed seat.
Further technical scheme, fixture includes elastic telescopic rod, elastic telescopic rod and support frame fixed connection, the equal fixedly connected with U-shaped seat in both ends of elastic telescopic rod, all be provided with coupling assembling in the U-shaped seat, coupling assembling can be fixed to the elastic clamping of lath.
Further technical scheme, coupling assembling includes two clamp blocks, and two clamp blocks set up relatively, the clamp block all with the interior terminal surface sliding connection of U-shaped seat, be connected with elastic component No. one between one of them clamp block and the interior terminal surface of U-shaped seat, another anchor clamps fixedly connected with dead lever, the U-shaped seat rotates and is connected with the screw sleeve, screw sleeve and dead lever threaded connection, the dead lever outside cover is equipped with elastic component No. two.
According to a further technical scheme, the two clamping blocks in each U-shaped seat are provided with arc-shaped grooves.
Compared with the prior art, the invention has the following beneficial effects:
according to the large-scale steel structure embedded part provided by the invention, the plate ribs can be elastically clamped through the clamping mechanism, so that the embedded part is fixed, and then concrete is poured; the guide rail is rotated to adjust the connecting direction of the fixed seat, and then the guide rail is abutted by the positioning component, so that the guide rail is fixed; the rectangular connecting seat of the steel structure penetrates through the guide groove of the fixing seat, so that the fixing seat is in sliding connection with the rectangular connecting seat of the steel structure, the fixing seat is pushed to slide in the guide rail, and the supporting position of the fixing seat is adjusted; after the regulation is accomplished, thrust mechanism promotes the slider and slides in the vallecular cavity, and the locating pin can be fixed with the guide rail butt under the drive of slider to make fixing base and guide rail fixed connection, simultaneously under the drive of slider, the bolt slides in the guide slot, and bolt vertical motion is fixed to the rectangle connecting seat butt of steel construction, thereby makes steel construction and fixing base fixed connection, thereby with the spacing fixed of steel construction.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of region A in FIG. 1;
FIG. 4 is an enlarged schematic view of region B in FIG. 2;
fig. 5 is a schematic view of the connection between the guide rail and the fixing base.
In the drawings: the device comprises a support frame 1, a clamping mechanism 2, an adjusting sleeve 3, a support shaft 4, a guide rail 5, a fixed seat 6, a bolt 7, a groove cavity 8, a sliding part 9, a guide groove 10, a thrust mechanism 11, a positioning pin 12, a rack 13, a push rod 14, an inserted link 15, a guide hole 16, a power assembly 17, a driving rod 18, a spring 19, a positioning component 20, a supporting seat 21, a positioning rod 22, a spiral spring 23, an elastic telescopic rod 24, a U-shaped seat 25, a connecting assembly 26, a clamping block 27, an arc-shaped groove 28, a fixing rod 29, a first elastic part 30, a threaded sleeve 31 and a second elastic part 32.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1 to 5, the large steel structure embedded part provided by the invention comprises a support frame 1, and further comprises:
the clamping mechanism 2 is connected with the support frame 1, and the clamping mechanism 2 can elastically clamp the plate rib;
the support frame 1 is rotatably connected with an adjusting sleeve 3, the adjusting sleeve 3 is in threaded connection with a support shaft 4, the support shaft 4 is rotatably connected with a guide rail 5, the support shaft 4 is fixedly connected with a positioning member 20, the positioning member 20 can be abutted and fixed with the guide rail 5, and the guide rail 5 is slidably connected with a fixed seat 6;
the fixing seat 6 is connected with a bolt 7 in a sliding manner, a slot cavity 8 is arranged in the fixing seat 6, a sliding piece 9 is connected in the slot cavity 8 in a sliding manner, a guide slot 10 is arranged in the sliding piece 9, the guide slot 10 is obliquely arranged relative to the horizontal plane, and the bolt 7 is connected with the guide slot 10 in a sliding manner;
The large steel structure embedded part can elastically clamp the plate bars through the clamping mechanism 2, so that the embedded part is fixed, and then concrete is poured;
the guide rail 5 is rotated to adjust the connecting direction of the fixed seat 6, and then the guide rail 5 is fixed by abutting the positioning component 20 with the guide rail 5;
the rectangular connecting seat of the steel structure penetrates through the guide groove of the fixing seat 6, so that the fixing seat 6 is in sliding connection with the rectangular connecting seat of the steel structure, the fixing seat 6 is pushed to slide in the guide rail 5, and the supporting position of the fixing seat 6 is adjusted; after the regulation is accomplished, thrust mechanism 11 promotes slider 9 and slides in vallecular cavity 8, and locating pin 12 can be fixed with 5 butts of guide rail under the drive of slider 9 to make fixing base 6 and 5 fixed connection of guide rail, simultaneously under the drive of slider 9, bolt 7 slides in guide slot 10, and 7 vertical motion of bolt is fixed to the rectangle connecting seat butt of steel construction, thereby makes steel construction and 6 fixed connection of fixing base, thereby with the spacing fixed of steel construction.
In the embodiment of the present invention, as shown in fig. 2, as a preferred embodiment of the present invention, a rack 13 is disposed on an inner side of the guide rail 5, and the positioning pin 12 can be fixed to the rack 13 in a clamping manner; the friction between the spigot 7 and the tooth surface is increased by the rack, thereby increasing the stability between the fixing seat 6 and the guide rail 5.
In the embodiment of the present invention, as shown in fig. 2 and 4, as a preferred embodiment of the present invention, the thrust mechanism 11 includes a push rod 14, an insertion rod 15 is fixedly connected to an end of the push rod 14, the sliding member 9 is provided with a guide hole 16, the guide hole 16 is arranged to be inclined with respect to the push rod 14, the insertion rod 15 is slidably connected to the guide hole 16, a power assembly 17 is connected between the push rod 14 and the fixed seat 6, and the power assembly 17 is used for driving the insertion rod 15 and the guide hole 16 to slide relatively. The power assembly 17 drives the inserted rod 15 and the guide hole 16 to slide relatively, so as to drive the sliding part 9 to slide in the slot cavity 8.
In the embodiment of the present invention, as shown in fig. 4, as a preferred embodiment of the present invention, the power assembly 17 includes a driving rod 18, the driving rod 18 is in threaded connection with the fixing base 6, the driving rod 18 is in sliding through connection with the push rod 14, and a spring 19 is connected between the driving rod 18 and the push rod 14; the driving rod 18 is rotated by hand, the driving rod 18 drives the push rod 14 to move linearly, and meanwhile, the positioning pin 12 and the bolt 7 can elastically stretch out and draw back through the spring 19 during vibration, so that the positioning pin 12 and the bolt 7 are prevented from being broken by stress, and the anti-seismic force of the whole embedded part is increased.
In the embodiment of the present invention, as shown in fig. 1, as a preferred embodiment of the present invention, the positioning member 20 includes a supporting seat 21, the supporting seat 21 is fixedly connected to the supporting shaft 4, a positioning rod 22 is screwed to the supporting seat 21, and the positioning rod 22 can be abutted and fixed to the guide rail 5; the positioning rod 22 is rotated by hand, and the positioning rod 22 is screw-driven with the support base 21, so that the positioning rod 22 is fixed in contact with the guide rail 5.
In the embodiment of the present invention, as shown in fig. 1, as a preferred embodiment of the present invention, a coil spring 23 is connected between the plug 7 and the fixing seat 6.
In the embodiment of the present invention, as shown in fig. 1 and fig. 3, as a preferred embodiment of the present invention, the clamping mechanism 2 includes an elastic telescopic rod 24, the elastic telescopic rod 24 is fixedly connected to the support frame 1, two ends of the elastic telescopic rod 24 are both fixedly connected to U-shaped seats 25, each U-shaped seat 25 is provided with a connecting assembly 26, and the connecting assembly 26 can elastically clamp and fix the plate bars.
In the embodiment of the present invention, as shown in fig. 4, as a preferred embodiment of the present invention, the connecting assembly 26 includes two clamping blocks 27, the two clamping blocks 27 are disposed opposite to each other, the clamping blocks 27 are both slidably connected to the inner end surface of the U-shaped seat 25, a first elastic element 30 is connected between one clamping block 27 and the inner end surface of the U-shaped seat 25, the other clamping block 27 is fixedly connected to a fixing rod 29, the U-shaped seat 25 is rotatably connected to a threaded sleeve 31, the threaded sleeve 31 is in threaded connection with the fixing rod 29, and a second elastic element 32 is sleeved outside the fixing rod 29; two clamp splice 27 are fixed with the lath centre gripping of one side under the elasticity effect of elastic component 30, rotate threaded sleeve 31 with the hand, and threaded sleeve 31 drives a clamp splice 27 and goes up and down vertically, adjusts the centre gripping height of clamp splice 27 to the gradient of adjustment fixing base 6.
In the embodiment of the invention, as shown in fig. 1, as a preferred embodiment of the invention, the two clamping blocks 27 in each U-shaped seat 25 are provided with an arc-shaped slot 28.
In the large-scale steel structure embedded part, the two clamping blocks 27 are clamped and fixed with the plate ribs on one side under the elastic force action of the first elastic part 30, so that the embedded part is fixed, the threaded sleeve 31 is rotated by hands, the threaded sleeve 31 drives one clamping block 27 to vertically lift, the clamping height of the clamping block 27 is adjusted, the inclination of the fixed seat 6 is adjusted, and then concrete is poured;
the guide rail 5 is rotated to adjust the connecting direction of the fixed seat 6, then the positioning rod 22 is rotated by hand, the positioning rod 22 and the supporting seat 21 are in threaded transmission, and the positioning rod 22 is abutted and fixed with the guide rail 5;
the rectangular connecting seat of the steel structure penetrates through the guide groove of the fixing seat 6, so that the fixing seat 6 is in sliding connection with the rectangular connecting seat of the steel structure, the fixing seat 6 is pushed to slide in the guide rail 5, and the supporting position of the fixing seat 6 is adjusted; after the regulation is accomplished, thrust mechanism 11 promotes slider 9 and slides in vallecular cavity 8, and locating pin 12 can be fixed with 5 butts of guide rail under the drive of slider 9 to make fixing base 6 and 5 fixed connection of guide rail, simultaneously under the drive of slider 9, bolt 7 slides in guide slot 10, and 7 vertical motion of bolt is fixed to the rectangle connecting seat butt of steel construction, thereby makes steel construction and 6 fixed connection of fixing base, thereby with the spacing fixed of steel construction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a large-scale steel construction built-in fitting, includes the support frame, its characterized in that still includes:
the clamping mechanism is connected with the supporting frame and can elastically clamp the plate rib;
the support frame is rotatably connected with an adjusting sleeve, the adjusting sleeve is in threaded connection with a support shaft, the support shaft is rotatably connected with a guide rail, the support shaft is fixedly connected with a positioning component, the positioning component can be abutted and fixed with the guide rail, and the guide rail is slidably connected with a fixed seat;
the fixing seat is connected with a bolt in a sliding manner, a slot cavity is formed in the fixing seat, a sliding piece is connected in the slot cavity in a sliding manner, a guide slot is formed in the sliding piece, the guide slot is obliquely arranged relative to a horizontal plane, and the bolt is connected with the guide slot in a sliding manner;
the sliding part is connected with a thrust mechanism in a sliding mode, the thrust mechanism can push the sliding part to slide in the groove cavity, the sliding part is connected with a positioning pin, the positioning pin is connected with the side wall of the fixing seat in a sliding mode, and the positioning pin can be fixed with the guide rail in an abutting mode under the driving of the sliding part.
2. The large-scale steel structure embedded part according to claim 1, wherein racks are arranged on the inner sides of the guide rails, and the positioning pins can be clamped and fixed with the racks.
3. The large-scale steel structure embedded part according to claim 1, wherein the thrust mechanism comprises a push rod, an insert rod is fixedly connected to an end of the push rod, the sliding part is provided with a guide hole, the guide hole is arranged in a manner corresponding to the push rod in an inclined manner, the insert rod is slidably connected with the guide hole, a power assembly is connected between the push rod and the fixed seat, and the power assembly is used for driving the insert rod and the guide hole to slide relatively.
4. The large-scale steel structure embedded part according to claim 3, wherein the power assembly comprises a driving rod, the driving rod is in threaded connection with the fixed seat, the driving rod is in sliding through connection with the push rod, and a spring is connected between the driving rod and the push rod.
5. The large-scale steel structure embedded part according to claim 2, wherein the positioning member comprises a supporting seat, the supporting seat is fixedly connected with the supporting shaft, a positioning rod is connected with the supporting seat in a threaded manner, and the positioning rod can be abutted and fixed with the guide rail.
6. The large-scale steel structure embedded part according to claim 1, wherein a coil spring is connected between the bolt and the fixed seat.
7. The large-scale steel structure embedded part according to claim 1, wherein the clamping mechanism comprises an elastic telescopic rod, the elastic telescopic rod is fixedly connected with the supporting frame, two ends of the elastic telescopic rod are fixedly connected with U-shaped seats, and the U-shaped seats are respectively provided with a connecting assembly, and the connecting assemblies can elastically clamp and fix the plate ribs.
8. The large-scale steel structure embedded part as claimed in claim 7, wherein the connecting assembly comprises two clamping blocks, the two clamping blocks are arranged oppositely, the clamping blocks are connected with the inner end surface of the U-shaped seat in a sliding manner, a first elastic part is connected between one clamping block and the inner end surface of the U-shaped seat, a fixing rod is fixedly connected to the other clamp, a threaded sleeve is rotatably connected to the U-shaped seat and is in threaded connection with the fixing rod, and a second elastic part is sleeved outside the fixing rod.
9. The large steel structural embedment of claim 8, wherein both of the blocks in each clevis are provided with an arcuate slot.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210146276.5A CN114525807B (en) | 2022-02-17 | 2022-02-17 | Large steel structure embedded part |
| ZA2022/03087A ZA202203087B (en) | 2022-02-17 | 2022-03-15 | A large steel structure embedded part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210146276.5A CN114525807B (en) | 2022-02-17 | 2022-02-17 | Large steel structure embedded part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114525807A true CN114525807A (en) | 2022-05-24 |
| CN114525807B CN114525807B (en) | 2023-08-18 |
Family
ID=81623524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210146276.5A Active CN114525807B (en) | 2022-02-17 | 2022-02-17 | Large steel structure embedded part |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114525807B (en) |
| ZA (1) | ZA202203087B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002038494A (en) * | 2000-07-31 | 2002-02-06 | National House Industrial Co Ltd | Jig for stretching leveling string |
| CN111485782A (en) * | 2020-04-16 | 2020-08-04 | 张峻华 | Guide rail fixing structure of shock-proof safety bin door |
| CN112427866A (en) * | 2020-11-24 | 2021-03-02 | 南京俏美骏科技有限公司 | Method for processing embedded part of building steel structure |
| CN213204488U (en) * | 2020-08-24 | 2021-05-14 | 江苏力拓建设发展有限公司 | Assembled construction steel bar embedded part |
-
2022
- 2022-02-17 CN CN202210146276.5A patent/CN114525807B/en active Active
- 2022-03-15 ZA ZA2022/03087A patent/ZA202203087B/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002038494A (en) * | 2000-07-31 | 2002-02-06 | National House Industrial Co Ltd | Jig for stretching leveling string |
| CN111485782A (en) * | 2020-04-16 | 2020-08-04 | 张峻华 | Guide rail fixing structure of shock-proof safety bin door |
| CN213204488U (en) * | 2020-08-24 | 2021-05-14 | 江苏力拓建设发展有限公司 | Assembled construction steel bar embedded part |
| CN112427866A (en) * | 2020-11-24 | 2021-03-02 | 南京俏美骏科技有限公司 | Method for processing embedded part of building steel structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114525807B (en) | 2023-08-18 |
| ZA202203087B (en) | 2022-05-25 |
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