CN111776587A - Marine organism laying-out equipment for beach coast - Google Patents
Marine organism laying-out equipment for beach coast Download PDFInfo
- Publication number
- CN111776587A CN111776587A CN202010664068.5A CN202010664068A CN111776587A CN 111776587 A CN111776587 A CN 111776587A CN 202010664068 A CN202010664068 A CN 202010664068A CN 111776587 A CN111776587 A CN 111776587A
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- Prior art keywords
- groove
- block
- rectangular
- offset
- main body
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- 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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- 229920000742 Cotton Polymers 0.000 claims abstract description 11
- 239000004744 fabric Substances 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000005484 gravity Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 241001465754 Metazoa Species 0.000 description 10
- 239000013535 sea water Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 1
- 241000251539 Vertebrata <Metazoa> Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G7/00—Devices for assisting manual moving or tilting heavy loads
- B65G7/02—Devices adapted to be interposed between loads and the ground or floor, e.g. crowbars with means for assisting conveyance of loads
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K79/00—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Revetment (AREA)
Abstract
The invention provides marine organism stranding and releasing equipment for a beach coast, which comprises a main body, wherein the main body is made of rubber and is provided with rectangular plates, the top end of the main body is connected with a cloth cotton layer filled with cotton wool, and the supporting frame is an X-shaped support formed by penetrating and rotating two rectangular supports through a connecting shaft and is embedded in an embedding groove. This kind of marine organism of sandy beach coast shelves and gives birth to equipment is provided with the skew piece, can take place the arc sunken support frame skew out support time in the main part is promoted because marine organism weight through the skew piece and let the roll of bottom can keep its vertically angle always under the inclination that the support frame is different and let can conveniently promote its main part and remove, and need not the personnel of suing and labouring to mention the unsettled hard while of main part application of force because weight and landing cause the injury to marine organism easily.
Description
Technical Field
The invention relates to the technical field of marine organisms, in particular to marine organism stranding and releasing.
Background
Marine life, biological term, refers to living species in the ocean, including marine animals, marine plants, microorganisms, viruses, and the like, wherein marine animals include invertebrates and vertebrates. The marine animals can impact on a beach due to sea waves, and can be difficult to enter sea water again to be stranded due to the lack of water, so that the marine animals need to be rescued manually to be released into the sea water, tools such as massive workpieces such as cotton cloth and the like are required to be moved to move the marine animals into the sea water due to the difficulty in moving the marine animals with larger body sizes, but the existing massive carrying cloth and tools need to be lifted up in the air always to cause the marine animals to slide down due to large strength, so that the marine animals are easily injured, and the marine animals with larger body sizes and the marine animals with smooth surfaces are difficult to move onto the carrying tools.
Disclosure of Invention
The invention aims to solve the technical problem that when a marine organism laying tool is laid, the marine organism laying tool needs to be suspended and lifted up to be hung in the air, so that the marine organism falls off due to overlarge weight and secondary damage is caused to the marine organisms.
The purpose and the effect of the marine organism stranding and releasing equipment on the beach coast are achieved by the following specific technical means:
a marine organism stranding and releasing device for a beach coast comprises a main body, wherein the main body is made of rubber and is provided with a pair of rectangular plates, and the top end of the main body is connected with a cloth cotton layer filled with cotton wool;
the support frame, the support frame is that two rectangle form supports pass through the support that rotary connection is "X" form together through the connecting axle, the support frame also tiles the gomphosis in the gomphosis groove.
Further preferred embodiments: the main body comprises;
the offset groove is a slot with rectangular bottom ends at two sides of the main body.
Further preferred embodiments: the offset groove comprises;
the offset block is a rectangular square block which is connected with the bottom end of the middle part of the offset groove slot through the embedding and inserting of the sliding block and is connected with the embedding slot;
the sliding block is a rectangular convex block at the top end of the offset block, and the top end part of the convex block of the sliding block is also provided with a rectangular convex block with a larger area;
the round shaft is connected with the bottom end of one side of the offset block in a jogged and sleeved mode;
the inclined plate is connected to the rectangular plate on one side of the offset groove in a rotating embedded mode through a circular shaft, and a rectangular groove embedded with the diameter of the circular shaft is formed in an opening of the bottom end portion of the inclined plate.
Further preferred embodiments: the tabling groove is a groove which is opened in the middle of the surface of the bottom end of the main body and is tabled with the supporting frame.
Further preferred embodiments: the supporting frame comprises;
the connecting shaft is a circular shaft which penetrates through and is rotatably connected to the intersection point of the two support frames;
the bottom plate is a rectangular plate which is integrally connected with the bottom end part of the supporting frame;
the offset block is an arc-shaped bent rectangular plate which is limited to be embedded and arranged at the top end inside the support frame and attached to one side of the bottom end of the connecting shaft.
Further preferred embodiments: the connecting shaft comprises a connecting rod;
and the transmission groove mark tooth marks are fixedly connected with the peripheral surface of the connecting shaft, and the tooth marks on the surfaces of the transmission groove mark tooth marks are meshed with the tooth marks on the top end surface of the offset block.
Further preferred embodiments: the offset block comprises;
the connecting guide rod is a rectangular guide rod which penetrates through and is embedded in the slot of the middle limiting groove of the offset block;
the roller is connected to the bottom end of the connecting guide rod in an embedded mode;
the limiting groove is a rectangular groove in the middle of the offset block;
the sliding groove is a rectangular frame which limits the middle part of the groove to extend towards the center and has a smaller area, and a rectangular groove is also arranged in the middle part of the frame of the sliding groove;
the gravity center block is a rectangular rotating plate with a connecting guide rod penetrating through the top end part of the limiting groove and integrally connected, the gravity center block is embedded with a height gap between the limiting groove and the sliding groove, and meanwhile, the gravity center block is attached to the bottom ends of the two sides of the sliding groove and provided with rollers embedded in grooves of the sliding groove.
Has the advantages that:
(1) this kind of marine organism of sandy beach coast shelves and gives birth to equipment is provided with the skew piece, can take place the arc sunken support frame skew out support time in the main part is promoted because marine organism weight through the skew piece and let the roll of bottom can keep its vertically angle always under the inclination that the support frame is different and let can conveniently promote its main part and remove, and need not the personnel of suing and labouring to mention the unsettled hard while of main part application of force because weight and landing cause the injury to marine organism easily.
(2) The device is provided with the skew groove, can show through the skew groove some and can push the extrusion through it and let the bottom that removes the marine organism that its main part can be convenient when being used for rescue to some marine organisms that embody the angle and the surface is comparatively smooth to be difficult to move for it can remove some marine organisms that are difficult to move to main part top surface.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall back structure of the main body of the present invention.
Fig. 3 is a schematic view of the overall structure of the support frame of the present invention.
Fig. 4 is an enlarged schematic view of the structure at a in fig. 3 according to the present invention.
Fig. 5 is a schematic diagram of the overall structure of the offset block of the present invention.
FIG. 6 is a schematic view of the overall structure of the offset slot of the present invention.
In FIGS. 1-6: the device comprises a main body 1, a cotton layer 101, a deviation groove 102, a deviation block 1021, a sliding block 1022, a round shaft 1023, a deviation plate 1024, a fitting groove 2, a supporting frame 3, a connecting shaft 301, a transmission groove mark tooth trace 3011, a bottom plate 302, a deviation block 303, a connecting guide rod 3031, a roller 3032, a limiting groove 3033, a sliding groove 3034 and a gravity center block 3035.
Detailed Description
As shown in figures 1 to 6:
the invention provides marine organism stranding and releasing equipment for a beach coast, which comprises a main body 1, wherein the main body 1 is a rectangular plate made of rubber, and the top end of the main body 1 is connected with a cloth cotton layer 101 filled with cotton wool;
the support frame 3, the support frame 3 are two rectangular supports which are connected together in a penetrating and rotating manner through a connecting shaft 301 and are in an X shape, and the support frame 3 is also tiled and embedded in the embedding groove 2.
Wherein, the main body 1 comprises;
the offset groove 102, the offset groove 102 is a slot with rectangular bottom at both sides of the main body 1.
Wherein, the offset groove 102 comprises;
the offset block 1021 is a rectangular block which is connected with the bottom end of the middle part of the slot of the offset slot 102 through the embedding and inserting of the slide block 1022 and is connected with the embedding slot;
the sliding block 1022 is a rectangular convex block at the top end of the offset block 1021, and the top end part of the convex block 1022 is also provided with a rectangular convex block with a larger area; the offset block 1021 in the offset slot 102 at the bottom of the two sides of the control body 1 is pulled to extend and move to one side by the sliding block 1022 at the top sliding along the groove at the bottom of the middle slot of the offset slot 102.
The round shaft 1023 is a round shaft which is embedded, sleeved and connected with the bottom end of one side of the offset block 1021; and when skew piece 1021 extended movement to one side the round axle 1023 of its one side can bulge in the fluting of skew board 1024 bottom for its round axle 1023 can bulge sets up on the surface of skew board 1024, makes through make it can be more convenient drive the main part 1 surface with marine organism through the friction rotation when the main part squeezes into marine organism bottom.
A bias plate 1024, the bias plate 1024 is a rectangular plate connected to one side of the offset groove 102 by a circular shaft in a rotary embedding manner, and the bottom end part of the bias plate 1024 is provided with a rectangular slot embedded with the diameter of the circular shaft 1023, and when the offset block 1021 moves towards one side and moves for a certain distance, the top end of the bias plate is pressed against the part of the bottom end of the bias plate 1024 protruding out of the bottom end of the offset groove 102 to force the bias plate 1024 to move towards one side, and because the top end of the bias plate 1024 is connected to the top end of one side of the main body 1 through a rotating shaft, the bias plate 1024 is pressed against the top end of the bias plate 1024 to tilt towards one side, so that the inclined surface can be pressed against the bottom end of the marine organism to push into the bottom end of the marine organism when the marine organism is inconvenient to move, so that the marine organism can move smoothly to the top end of the main,
wherein, the tabling groove 2 is a groove which is opened in the middle of the surface of the bottom end of the main body 1 and is tabled with the supporting frame 3.
Wherein, the supporting frame 3 comprises;
connecting axle 301, connecting axle 301 is for running through swivelling joint in the nodical round axle of two support frames 3, and remove main part 1 top surface middle part with the marine organism and then can let main part 1 form an arcuate recess when lifting its main part 1, and can let support frame 3 that gomphosis connects in the gomphosis groove 2 of bottom carry out the salient to one side because the arc is sunken and go out to one side and incline because of the arc is sunken, and can let two support frames 3 that tile together rotate and form a support of "X" form through the through connection of connecting axle 301 when support frame 3 is extruded the salient, make it can support subaerial and need not rescue personnel and mention main part 1 always.
A bottom plate 302, wherein the bottom plate 302 is a rectangular plate connected with the bottom end part of the support frame 3 and integrally arranged;
the offset block 303, the offset block 303 is a circular arc bending rectangular plate material which is limited and embedded in the support frame 3 and is attached to one side of the bottom end of the connecting shaft 301, when the support frame 3 is obliquely and alternately arranged through the rotation of the connecting shaft 301, the transmission groove mark tooth trace 3011 on the surface is attached to the surface of the offset block 303 to move, and through the engagement of the transmission groove mark tooth trace 3011 and the tooth trace on the surface of the offset block 303, the offset block 303 is driven to move along the surface of the offset block through the tooth trace when the connecting shaft 301 rotates.
Wherein, the connecting shaft 301 comprises;
and a transmission groove mark tooth trace 3011, wherein the transmission groove mark tooth trace 3011 is a tooth trace fixedly connected with the peripheral surface of the connecting shaft 301, and the tooth trace on the surface of the transmission groove mark tooth trace 3011 is meshed with the tooth trace on the top end surface of the offset block 303.
Wherein the offset block 303 is included;
the connecting guide rod 3031, the connecting guide rod 3031 is a rectangular guide rod which penetrates through and is embedded in a slot of the limiting groove 3033 in the middle of the offset block 303;
the roller 3032, the roller 3032 is embedded and connected with the bottom end of the connecting guide rod 3031;
a limiting groove 3033, wherein the limiting groove 3033 is a slot in the middle of the offset block 303 and is rectangular;
the sliding groove 3034 is a rectangular frame which limits the middle part of the groove 3033 and extends towards the center and has a smaller area, and a rectangular groove is further arranged in the middle part of the frame of the sliding groove 3034;
a center of gravity block 3035, the center of gravity block 3035 is a rectangular rotating plate material which is integrally connected with the connecting guide rod 3031 through the top end part of the limiting groove 3033, and the center of gravity block 3035 is fitted with a height gap between the limiting groove 3033 and the sliding groove 3034, meanwhile, the bottom ends of the gravity center block 3035, which are attached to the two sides of the sliding groove 3034, are provided with rollers which are embedded in the grooves of the sliding groove 3034, the connecting guide 3031 moves in the defined slot 3033 by the top center of gravity block 3035 when the offset block 303 is moved in a tilting manner, the weight of the center of gravity block 3035 enables the shifting block 303 to slide along the limiting groove 3033 to a position with the downward center of gravity to form a vertical angle when the shifting deflection occurs, so that the roller 3032 can keep the vertical state to be pressed on the beach ground, without the roller 3032 being inclined and unable to move vertically on the ground due to the different inclination angles of the support frame 3.
The working principle is as follows:
the specific use and function of this embodiment, first lay the main body 1 on the surface of the beach, then lay the stranded marine life on the cotton layer 101 at the top of the main body 1, move the stranded marine life to the sea to be released by lifting the main body 1, when carrying the marine life, lay the main body 1 on the ground, if the marine life has a large volume and is difficult to carry because of its slippery surface, by controlling the offset blocks 1021 in the offset slots 102 at the bottom ends of the two sides of the main body 1 to exert force and pull, so that the offset block 1021 can slide along the concave groove at the bottom end of the middle part of the slot 102 of the offset block 1022 to extend to one side through the slide block 1022 at the top end, and when the offset block 1021 extends to one side, the round shaft 1023 at one side protrudes into the slot at the bottom end of the offset sloping plate 1024, so that the protruding part of the round shaft 1023 is arranged on the surface of the offset sloping plate 1024, when the offset block 1021 moves a certain distance towards one side, the top end of the offset block 1021 pushes against the part of the bottom end of the offset plate 1024 protruding out of the bottom end of the slot 102 to force the offset plate 1024 to move towards one side, and because the top end of the offset plate 1024 is connected to the top end of one side of the main body 1 through a rotating shaft, the offset plate 1024 is forced to incline towards one side when pushing against the top end of the offset plate 1024, so that the inclined surface can push against the bottom end of the marine organism to push into the marine organism when the marine organism is inconvenient to move, and the protruding round shaft 1023 can push the main body 1 into the bottom end of the marine organism more conveniently through friction rolling, so that the marine organism can smoothly move to the top end of the main body 1 to move, and when the marine organism moves to the middle part of the top surface of the main body 1 and then lifts the main body 1, the main body 1 forms an arc-shaped groove, when the main body 1 is in the arc-shaped concave state, the support frames 3 which are connected in the embedding groove 2 at the bottom end in an embedding manner are enabled to be protruded towards one side due to the arc-shaped concave state, and when the support frames 3 are extruded and deflected to be protruded, the two support frames 3 which are tiled together are enabled to be connected and rotated through the penetrating connection of the connecting shaft 301 to form an X-shaped support, so that the support frames can be supported on the ground without lifting the main body 1 all the time, when the support frames 3 are rotated through the connecting shaft 301 and are obliquely and alternately arranged, the transmission groove tooth marks 3011 on the surface can be attached to the surface of the offset block 303 to move through rotation, and through the meshing of the transmission groove tooth marks 3011 and the surface tooth marks of the offset block 303, the offset block 303 can be driven to move along the surface through the tooth marks when the connecting shaft 301 rotates, so that the connecting guide rod 3031 can be driven to deflect, and the roller 3032 can carry out deviation according to the inclined angle of the support frames 3 The adjustment makes it can make it stick out the bottom of support frame 3 and support and let can make it more convenient to promote main part 1 and move all the time, and finally its connecting guide 3031 will move in restricting the groove 3033 through the focus block 3035 of top when shifting piece 303 and moving the skew, can let shifting piece 303 slide to the downward position of focus along restricting the groove 3033 by oneself and form a perpendicular angle when shifting the skew through the weight of the focus block 3035, and let gyro wheel 3032 keep its perpendicular appearance to support on the sandy beach ground all the time, and will not cause gyro wheel 3032 to deflect and can not keep moving perpendicularly on the ground because of the skew angle of support frame 3.
Claims (7)
1. A marine organism stranding and releasing device for a beach coast comprises a main body (1), wherein the main body (1) is made of rubber and is a rectangular plate, and the top end of the main body (1) is connected with a cloth cotton layer (101) filled with cotton wool, and is characterized in that the main body is provided with a plurality of rectangular plates;
the support frame (3), support frame (3) are two rectangle form supports and run through swivelling joint through connecting axle (301) and are the support of "X" form together, support frame (3) also tile gomphosis in gomphosis groove (2).
2. The marine life stranding apparatus of the beach coast of claim 1 further comprising: the main body (1) comprises;
the device comprises an offset groove (102), wherein the offset groove (102) is a slot with rectangular bottom ends at two sides of the main body (1).
3. The marine life stranding apparatus of the beach coast of claim 2 further comprising: the offset groove (102) comprises;
the offset block (1021) is a rectangular block which is connected with the bottom end of the middle part of the slot of the offset slot (102) through the embedding and inserting of a sliding block (1022) and is connected with the embedding slot;
the sliding block (1022) is a rectangular convex block at the top end of the offset block (1021), and the rectangular convex block with a larger area is arranged at the top end part of the convex block of the sliding block (1022);
the round shaft (1023) is a round shaft which is embedded, sleeved and connected with the bottom end of one side of the offset block (1021);
the inclined plate (1024) is connected to a rectangular plate on one side of the offset groove (102) in a rotating embedding mode through a round shaft, and a rectangular groove which is embedded with the round shaft (1023) in the diameter is formed in an opening of the bottom end portion of the inclined plate (1024).
4. The marine life stranding apparatus of the beach coast of claim 1 further comprising: the tabling groove (2) is a groove which is opened in the middle of the surface of the bottom end of the main body (1) and is tabled with the support frame (3) for tabling.
5. The marine life stranding apparatus of the beach coast of claim 1 further comprising: the supporting frame (3) comprises;
the connecting shaft (301) is a circular shaft which penetrates through and is rotatably connected to the intersection point of the two support frames (3);
the bottom plate (302) is a rectangular plate which is integrally connected with the bottom end part of the support frame (3);
the offset block (303) is an arc-shaped bent rectangular plate which is limited and embedded in the support frame (3) and the top end of which is attached to one side of the bottom end of the connecting shaft (301).
6. The marine life stranding apparatus of the beach coast of claim 5 further comprising: the connecting shaft (301) comprises a connecting rod;
and the transmission groove mark tooth marks (3011), the transmission groove mark tooth marks (3011) are tooth marks fixedly connected with the peripheral surface of the connecting shaft (301), and the tooth marks on the surface of the transmission groove mark tooth marks (3011) are meshed with the tooth marks on the top end surface of the offset block (303).
7. The marine life stranding apparatus of the beach coast of claim 6 further comprising: the offset block (303) comprises;
the connecting guide rod (3031) is a rectangular guide rod which penetrates through and is embedded in a slot of a middle limiting slot (3033) of the offset block (303);
the roller (3032), the roller (3032) is embedded and connected with the bottom end of the connecting guide rod (3031);
the limiting groove (3033) is a slot in the middle of the offset block (303) in a rectangular shape;
the sliding groove (3034) is a rectangular frame which limits the middle part of the groove (3033) to extend towards the center and has a smaller area, and a rectangular groove is further arranged in the middle part of the frame of the sliding groove (3034);
the gravity center block (3035) is a rectangular rotating plate material with the connecting guide rod (3031) penetrating through the top end part of the limiting groove (3033) and integrally connected, the gravity center block (3035) is embedded with a height gap between the limiting groove (3033) and the sliding groove (3034), and rollers embedded in grooves of the sliding groove (3034) are arranged at the bottom ends of two sides of the gravity center block (3035) attached to the sliding groove (3034).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664068.5A CN111776587A (en) | 2020-07-10 | 2020-07-10 | Marine organism laying-out equipment for beach coast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664068.5A CN111776587A (en) | 2020-07-10 | 2020-07-10 | Marine organism laying-out equipment for beach coast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111776587A true CN111776587A (en) | 2020-10-16 |
Family
ID=72767316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010664068.5A Withdrawn CN111776587A (en) | 2020-07-10 | 2020-07-10 | Marine organism laying-out equipment for beach coast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111776587A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112562973A (en) * | 2020-11-16 | 2021-03-26 | 浙江江山博奥电气有限公司 | Anti-seismic transformer with counterweight buffer function |
| CN113229687A (en) * | 2021-05-27 | 2021-08-10 | 许天赫 | Computer exhibition device for design service exhibition |
-
2020
- 2020-07-10 CN CN202010664068.5A patent/CN111776587A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112562973A (en) * | 2020-11-16 | 2021-03-26 | 浙江江山博奥电气有限公司 | Anti-seismic transformer with counterweight buffer function |
| CN112562973B (en) * | 2020-11-16 | 2023-04-18 | 浙江江山博奥电气有限公司 | Anti-seismic transformer with counterweight buffer function |
| CN113229687A (en) * | 2021-05-27 | 2021-08-10 | 许天赫 | Computer exhibition device for design service exhibition |
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Application publication date: 20201016 |
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