CN115319056A - Upper and lower tank locking mechanism - Google Patents
Upper and lower tank locking mechanism Download PDFInfo
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- CN115319056A CN115319056A CN202210969065.1A CN202210969065A CN115319056A CN 115319056 A CN115319056 A CN 115319056A CN 202210969065 A CN202210969065 A CN 202210969065A CN 115319056 A CN115319056 A CN 115319056A
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- locking
- ring
- inner gear
- gear ring
- locking mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
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- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a locking mechanism for an upper tank body and a lower tank body, and relates to the technical field of pressure casting. Upper and lower jar of body locking mechanism includes: the locking device comprises a supporting plate, a middle partition plate, a locking ring and a locking driving device; the locking ring is positioned above the supporting plate, an upper inner gear ring and a lower inner gear ring are arranged on the inner side of the locking ring, and the vertical projections of the upper inner gear ring and the lower inner gear ring are mutually overlapped; an annular locking area is formed between the upper inner gear ring and the lower inner gear ring, and an upper butt joint area, a partition area and a lower butt joint area are respectively formed between the upper inner gear ring and the lower inner gear ring; reverse positioning groove has all been seted up to the lower internal tooth bottom of lower ring gear, and is articulated between the one end of locking pneumatic cylinder and the pneumatic cylinder mount pad, and the other end of locking pneumatic cylinder is articulated with the articulated seat that corresponds. Therefore, the problems that the traditional casting equipment is troublesome to install, the working efficiency is influenced, the production cost is high and the sealing performance is poor are solved.
Description
Technical Field
The invention relates to the technical field of pressure casting, in particular to a locking mechanism for an upper tank body and a lower tank body.
Background
The pressure-regulating casting is a counter-gravity casting technology which is more advanced than the conventional low-pressure casting and counter-pressure casting, the pressure-regulating casting technology is developed on the basis of the conventional counter-pressure casting technology, and the main process advantages of the pressure-regulating casting technology comprise vacuum melting, heat preservation, negative pressure mold filling, positive pressure difference solidification and the like. The pressure regulating casting technology is the most advanced casting forming technology for producing non-ferrous alloy castings represented by aluminum alloy at home and abroad at present, in particular for complex castings with high quality requirements in the aerospace industry.
The existing casting equipment comprises an upper tank body and a lower tank body, is designed into a two-tank structure, has limited freedom space of the upper tank body and the lower tank body, and has low reliability and low operation efficiency, in order to solve the problem, the existing casting equipment with a middle tank locking structure is that locking rings are respectively arranged at the upper end and the lower end of the middle tank body to respectively lock the upper tank body and the lower tank body, and the middle tank locking structure needs to respectively operate the upper locking ring and the lower locking ring, so that the operation is complicated; and because the structure of the middle partition plate is additionally arranged between the upper tank body and the lower tank body, the structure is more complex, and the production cost is higher. Therefore, the prior art needs to be improved, a more reasonable technical scheme is provided, and the problems in the prior art are solved.
Disclosure of Invention
The problem of traditional casting equipment have the installation troublesome in order to solve, influence work efficiency, manufacturing cost height and leakproofness are poor.
The embodiment of the invention provides a locking mechanism for an upper tank body and a lower tank body, which comprises: the locking device comprises a supporting plate, a middle partition plate, a locking ring and a locking driving device; wherein, the supporting plate is provided with an external connecting hole, and the supporting plate is connected with the ground through the external connecting hole; the locking ring is positioned above the supporting plate, an upper inner gear ring and a lower inner gear ring are arranged on the inner side of the locking ring, and the vertical projections of the upper inner gear ring and the lower inner gear ring are mutually overlapped; an annular locking area is formed between the upper inner gear ring and the lower inner gear ring, an upper butt joint area, a partition plate area and a lower butt joint area are respectively formed between the upper inner gear ring and the lower inner gear ring, the upper butt joint area, the partition plate area and the lower butt joint area are respectively positioned at the upper end, the middle part and the lower end of the annular locking area, and the middle partition plate is arranged in the middle of the annular locking area; the reverse locating groove is formed in the bottom of the lower inner tooth of the lower inner gear ring, the locking driving device comprises at least two locking hydraulic cylinders which are arranged oppositely, a hydraulic cylinder mounting seat is arranged on the supporting plate, a hinging seat is arranged on the locking ring oppositely, one end of each locking hydraulic cylinder is hinged to the corresponding hydraulic cylinder mounting seat, and the other end of each locking hydraulic cylinder is hinged to the corresponding hinging seat.
In one possible design, a first sealing groove is formed in the periphery of the top surface of the middle partition plate, a first sealing ring is arranged in the first sealing groove, and the first sealing ring is provided with a first vent hole capable of enabling the first sealing ring to expand; the periphery of the bottom surface of the middle partition plate is provided with a second sealing groove, a second sealing ring is arranged in the second sealing groove, and the second sealing ring is provided with a second vent hole capable of enabling the second sealing ring to expand.
In one possible design, the openings of the first vent hole and the second vent hole are both towards the center of the center partition plate.
In one possible design, a refractory heat insulating ring is arranged in the second sealing groove.
In one possible design, the second sealing ring is composed of a sealing rubber ring and a sealing adhesive ring, and an annular air cooling groove communicated with the outside is arranged between the sealing rubber ring and the sealing adhesive ring.
In one possible design, the locking mechanism of the upper tank body and the lower tank body further comprises a lift pipe, and the middle part of the middle partition plate is provided with a through hole and a sinking platform which are convenient for the placement of the lift pipe.
In one possible design, the intermediate partition is provided with a guide mechanism for facilitating positioning of the mold.
In one possible design, the middle partition plate is provided with a buffer well and a cold air-blocking plug structure.
In one possible design, the lift tube includes an upper section and a lower section, the upper section being secured to the midplate.
In one possible design, the upper section of the lift tube, including the upper section, is provided with a heating device.
The invention has the beneficial effects that: according to the technical scheme, the locking ring is located above the mounting support plate, the inner side of the locking ring is provided with an upper inner gear ring and a lower inner gear ring, the vertical projections of the upper inner gear ring and the lower inner gear ring are mutually overlapped, the middle partition plate is mounted in the middle of the annular locking area, and in the process that the locking driving device drives the locking ring to rotate around the axis of the locking ring, the inner teeth of the upper inner gear ring and the lower inner gear ring simultaneously move to the upper end and the lower end of the corresponding wedge-shaped teeth of the upper tank body and the lower tank body to realize the locking of the upper tank body and the lower tank body; to sum up, thereby locking ring cooperation locking drive arrangement is rotatory to realize the locking connection of the upper tank body and the lower tank body, and installation degree of automation is high, convenient and fast, and work efficiency is high, and for current design, need not to establish the well jar body in addition, and this design only needs a locking ring, and the structure is more retrencied, has obviously reduced manufacturing cost.
In addition, the middle partition plate is arranged between the upper tank body and the lower tank body and is positioned in the middle of the annular locking area, so that the installation convenience of the middle partition plate is improved; meanwhile, a first sealing ring and a second sealing ring are respectively arranged between the middle partition plate and the upper tank body and between the middle partition plate and the lower tank body, so that the upper tank body and the lower tank body are separated in space, differential pressure casting is conveniently realized, the sealing effect between the lower tank body and the middle partition plate is better, the pressure difference between the upper tank body and the lower tank body is favorably formed, and the smooth pouring work is ensured.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic structural view of a locking mechanism for upper and lower tank bodies;
FIG. 2 is a partial structural view of a locking mechanism for upper and lower cans;
FIG. 3 is a schematic view of the locking ring;
FIG. 4 is a partial cross-sectional view of the upper and lower canister locking mechanism.
Icon: 1-upper and lower tank locking mechanism; 3-a support plate; 4-a middle partition plate; 5-locking ring; 6-locking the driving device; 7-external connection hole; 8-upper inner gear ring; 9-lower inner gear ring; 10-an annular locking zone; 11-reverse positioning groove; 12-locking hydraulic cylinders; 13-a hydraulic cylinder mounting seat; 14-a hinged seat; 15-a first seal groove; 16-a first sealing ring; 17-a first vent; 18-a second seal groove; 19-a second sealing ring; 20-a second vent; 21-a fire-resistant heat-insulating ring; 22-a lift tube; 23-a through hole; 24-sinking the platform; 25-a guide mechanism; 26-buffer well; 27-a cold air-tight plug structure; 28-lifting lug.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
Referring to fig. 1 to 4, a locking mechanism 1 for locking upper and lower can bodies according to an embodiment of the present invention includes: the device comprises a supporting plate 3, a middle partition plate 4, a locking ring 5 and a locking driving device 6; wherein, the supporting plate 3 is provided with an external connecting hole 7, and the supporting plate 3 is connected with the ground through the external connecting hole 7; the locking ring 5 is positioned above the supporting plate 3, an upper inner gear ring 8 and a lower inner gear ring 9 are arranged on the inner side of the locking ring 5, and the vertical projections of the upper inner gear ring 8 and the lower inner gear ring 9 are mutually overlapped; an annular locking area 10 is formed between the upper inner gear ring 8 and the lower inner gear ring 9, an upper butt joint area, a partition plate area and a lower butt joint area are respectively formed between the upper inner gear ring 8 and the lower inner gear ring 9, the upper butt joint area, the partition plate area and the lower butt joint area are respectively positioned at the upper end, the middle part and the lower end of the annular locking area 10, and the middle partition plate 4 is arranged in the middle of the annular locking area 10; the reverse positioning groove 11 is formed in the bottom of the lower inner tooth of the lower inner gear ring 9, the locking driving device 6 comprises at least two locking hydraulic cylinders 12 which are arranged oppositely, hydraulic cylinder installation bases 13 are arranged on the supporting plate 3, hinged bases 14 are arranged oppositely on the locking ring 5, one ends of the locking hydraulic cylinders 12 are hinged to the hydraulic cylinder installation bases 13, and the other ends of the locking hydraulic cylinders 12 are hinged to the corresponding hinged bases 14.
In the embodiment of the invention, the locking ring 5 is positioned above the supporting plate 3; the supporting plate 3 can be provided with a limiting mechanism, the limiting mechanism is mainly used for limiting the locking ring 5 and preventing the locking ring 5 from deviating when rotating in cooperation with the locking driving device 6, the limiting mechanism can be a convex ring, the convex ring is connected with the supporting plate 3, and the locking ring 5 is sleeved on the periphery of the convex ring; of course, the limiting mechanism may be other limiting structures for limiting the deviation of the locking ring 5 when rotating. An upper inner gear ring 8 and a lower inner gear ring 9 are arranged on the inner side of the locking ring 5, and the vertical projections of the upper inner gear ring 8 and the lower inner gear ring 9 are mutually overlapped; an upper butt joint area, a partition plate area and a lower butt joint area are respectively formed between the upper inner gear ring 8 and the lower inner gear ring 9 and are respectively positioned at the upper end, the middle part and the lower end of the annular locking area 10; the middle partition plate 4 is installed at the middle of the annular locking area 10. In the process that the locking driving device 6 drives the locking ring 5 to rotate around the axis of the locking ring 5, the middle partition plate 4 is arranged between the upper tank body and the lower tank body, and the inner teeth of the upper inner gear ring 8 and the lower inner gear ring 9 simultaneously move to the upper end and the lower end of the corresponding wedge-shaped teeth of the upper tank body and the lower tank body to realize the locking of the upper tank body and the lower tank body. To sum up, thereby locking ring 5 cooperates locking drive arrangement 6 to rotate and realizes the locking connection of the upper tank body and the lower tank body, and installation degree of automation is high, convenient and fast, and work efficiency is high, and for current design, need not to establish the well jar body in addition, and this design only needs a locking ring 5, and the structure is more retrencied, has obviously reduced manufacturing cost. With this problem of traditional casting equipment have the installation troublesome, influence work efficiency, high and the leakproofness of manufacturing cost is poor has been solved.
In order to realize stable driving of the locking ring 5, the locking driving device 6 comprises at least two locking hydraulic cylinders 12 which are arranged oppositely, a hydraulic cylinder mounting base 13 is arranged on the supporting plate 3, hinged bases 14 are arranged oppositely on the locking ring 5, one ends of the locking hydraulic cylinders 12 are hinged to the hydraulic cylinder mounting bases 13, and the other ends of the locking hydraulic cylinders 12 are hinged to the corresponding hinged bases 14. In the embodiment, the stability of the locking ring 5 in the rotating process is ensured by arranging the two groups of locking driving devices 6, and the upper inner gear ring 8 and the lower inner gear ring 8 are prevented from being extruded and deformed by the corresponding wedge-shaped teeth of the upper tank body and the lower tank body when the locking ring 5 is locked.
In addition, in order to prevent the lower tank from expanding due to heat during long-term operation and causing the limit clearance of the locking ring 5 to be reduced, thereby causing the locking ring 5 to be locked with the flange of the lower tank, the lower end of the lower inner tooth of the lower inner gear ring 9 is provided with a reverse positioning groove 11, and the end part of the lower tank is provided with a reverse positioning bulge buckled with the reverse positioning groove 11. That is, the limit surface of the locking ring 5 is arranged on the reverse side of the thermal expansion direction, so that the gap is not reduced after the lower tank body is heated and expanded, and the problem that the lower tank body cannot be opened due to the heated clamping is prevented.
In one possible design, a first sealing groove 15 is formed in the periphery of the top surface of the middle partition plate 4, a first sealing ring 16 is arranged in the first sealing groove 15, and the first sealing ring 16 is provided with a first vent hole 17 capable of expanding the first sealing ring 16; the periphery of the bottom surface of the middle partition plate 4 is provided with a second sealing groove 18, a second sealing ring 19 is arranged in the second sealing groove 18, and the second sealing ring 19 is provided with a second vent hole 20 capable of enabling the second sealing ring 19 to expand.
The median septum 4 is arranged between the upper tank body and the lower tank body, the first sealing ring 16 and the second sealing ring 19 are arranged between the median septum 4 and the upper tank body and between the median septum 4 and the lower tank body respectively, so that the space separation of the upper tank body and the lower tank body is realized, the differential pressure casting is conveniently realized, the sealing effect between the lower tank body and the median septum 4 and the upper tank body and the lower tank body is better, the pressure difference can be formed between the upper tank body and the lower tank body, and the smooth pouring work is ensured. The first sealing ring 16 is provided with a first vent hole 17 which can expand the first sealing ring 16, the second sealing ring 19 is provided with a second vent hole 20 which can expand the second sealing ring 19, and when the air pressure in the upper tank body rises, high-pressure air in the upper tank body enters the first sealing ring 16 through the first vent hole 17, so that the sealing property between the upper tank body and the middle partition plate 4 can be improved; similarly, when the air pressure in the lower tank body rises, the high-pressure air in the lower tank body enters the second sealing ring 19 through the second vent hole 20, so that the sealing property between the lower tank body and the middle partition plate 4 can be improved.
In one possible design, the openings of the first vent hole 17 and the second vent hole 20 are both directed toward the center of the center partition 4.
In this embodiment, in order to ensure that the first vent hole 17 is communicated with the inner cavity of the upper tank and the second vent hole 20 is communicated with the inner cavity of the lower tank, the openings of the first vent hole 17 and the second vent hole 20 face the center of the circle of the middle partition plate 4; here, it is clear that in order to secure the strength of the first and second ventilation holes 17 and 20, the thicknesses of the first and second sealing rings 16 and 19 near the first and second ventilation holes 17 and 20 may be increased. Meanwhile, the first vent holes 17 and the second vent holes 20 may be uniformly distributed at preset intervals on one sides of the first vent holes 17 and the second vent holes 20 close to the center of the middle partition plate 4.
In one possible design, a refractory insulating ring 21 is provided within the second seal groove 18.
Because the heat preservation furnace is arranged in the second sealing groove 18, the sealing performance of the connection between the lower tank body and the middle partition plate under high temperature and high pressure can be improved by arranging the fireproof heat insulation ring 21 in the second sealing groove 18.
In one possible design, the second sealing ring 19 is composed of a sealing rubber ring and a sealing adhesive ring, and an annular air cooling groove communicated with the outside is arranged between the sealing rubber ring and the sealing adhesive ring. Through setting up annular air-cooled groove, can reduce the holistic temperature of second sealing washer 19, guarantee that second sealing washer 19 can normal work under high temperature and high pressure.
In one possible design, the upper and lower tank locking mechanism 1 further comprises a lift pipe 22, and the middle part of the middle partition plate 4 is provided with a through hole 23 and a sinking platform 24 for facilitating the placement of the lift pipe 22. The middle partition plate 4 is provided with a guide mechanism 25 which is convenient for positioning the casting mould.
The middle part of the middle partition board 4 is provided with a through hole 23 and a sinking platform 24 which are convenient for the placement of the lift tube 22, the middle partition board 4 is provided with a guide mechanism 25 which is convenient for the positioning and installation of the casting mold, the guide mechanism 25 is convenient for the guide and the accurate positioning when the casting mold falls, the lift tube 22 is placed at the through hole 23 and the sinking platform 24, the upper end of the lift tube 22 is flush with the surface of the middle partition board 4, and when the casting mold is pressed on the lift tube 22, the sealing of the lift tube 22 and the casting mold is convenient. The middle clapboard 4 can be formed by welding heat-resistant steel plates, the wall thickness of the middle clapboard 4 is 100mm, and the bottom surface is welded with grid ribs with the height of 80 mm.
In one possible design, the intermediate partition 4 is provided with a buffer well 26 and a cold air lock structure 27.
The middle partition plate 4 is provided with a buffer well 26 and a cold air-proof plug structure 27, so that a fire-out melt can be prevented from entering a pressurizing pipeline and a valve body, and the operation safety of equipment is improved. The middle clapboard 4 is provided with a lifting lug 28. The lifting lug 28 can be matched with a gantry manipulator to realize automatic lifting of the middle partition plate 4.
In one possible design, the lift tube 22 includes an upper section and a lower section, with the upper section being secured to the midplate 4.
The lift tube 22 comprises an upper section fixed on the middle partition plate 4 and a lower section located in the holding furnace of the lower tank body. The design of the sectional type liquid lifting pipe 22 can avoid the interference generated in the moving process of the liquid lifting pipe 22 and the casting mold and the lower tank body, realize the mutual independence of the transportation of the casting mold and the lower tank body and improve the working efficiency.
In one possible design, the upper section of the lift tube 22, including the upper section, is provided with a heating device. In this embodiment, the upper section is provided with a heating device, which can ensure the temperature of the lift tube 22 to be constant, and prevent the metal liquid in the lift tube 22 from solidifying and the casting from being taken out.
In conclusion, the invention discloses a locking mechanism for an upper tank body and a lower tank body, and relates to the technical field of pressure casting. The upper and lower tank body locking mechanism comprises: the device comprises a supporting plate, a middle partition plate, a locking ring and a locking driving device; the locking ring is positioned above the supporting plate, an upper inner gear ring and a lower inner gear ring are arranged on the inner side of the locking ring, and the vertical projections of the upper inner gear ring and the lower inner gear ring are mutually overlapped; an annular locking area is formed between the upper inner gear ring and the lower inner gear ring, and an upper butt joint area, a partition area and a lower butt joint area are respectively formed between the upper inner gear ring and the lower inner gear ring; reverse positioning grooves are formed in the bottoms of the lower inner teeth of the lower inner gear ring, one end of the locking hydraulic cylinder is hinged to the hydraulic cylinder mounting seat, and the other end of the locking hydraulic cylinder is hinged to the corresponding hinged seat. Therefore, the problems that the traditional casting equipment is troublesome to install, the working efficiency is influenced, the production cost is high and the sealing performance is poor are solved.
In short, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an upper and lower jar of body locking mechanism which characterized in that includes: the locking device comprises a supporting plate, a middle partition plate, a locking ring and a locking driving device; the supporting plate is provided with an outer connecting hole, and the supporting plate is connected with the ground through the outer connecting hole; the locking ring is positioned above the supporting plate, an upper inner gear ring and a lower inner gear ring are arranged on the inner side of the locking ring, and the vertical projections of the upper inner gear ring and the lower inner gear ring are mutually overlapped; an annular locking area is formed between the upper inner gear ring and the lower inner gear ring, an upper butt joint area, a partition plate area and a lower butt joint area are respectively formed between the upper inner gear ring and the lower inner gear ring, the upper butt joint area, the partition plate area and the lower butt joint area are respectively positioned at the upper end, the middle part and the lower end of the annular locking area, and the middle partition plate is arranged in the middle of the annular locking area; the locking driving device comprises at least two locking hydraulic cylinders which are oppositely arranged, a hydraulic cylinder mounting seat is arranged on the supporting plate, a hinging seat is oppositely arranged on the locking ring, one end of each locking hydraulic cylinder is hinged to the corresponding hydraulic cylinder mounting seat, and the other end of each locking hydraulic cylinder is hinged to the corresponding hinging seat.
2. The upper and lower tank locking mechanism according to claim 1, wherein a first seal groove is formed in the periphery of the top surface of the middle partition plate, a first seal ring is arranged in the first seal groove, and the first seal ring is provided with a first vent hole capable of expanding the first seal ring; the bottom surface periphery of median septum has seted up the second seal groove, be equipped with the second sealing washer in the second seal groove, the second sealing washer has the second venthole that can make the second sealing washer inflation.
3. An upper and lower tank locking mechanism as claimed in claim 2, wherein the first and second vent holes open towards the centre of the intermediate wall.
4. The upper and lower tank locking mechanism of claim 2, wherein a refractory heat insulating ring is disposed in the second sealing groove.
5. The upper and lower tank locking mechanism of claim 2, wherein the second sealing ring is composed of a sealing rubber ring and a sealing adhesive ring, and an annular air cooling groove communicated with the outside is arranged between the sealing rubber ring and the sealing adhesive ring.
6. The upper and lower tank locking mechanism of claim 1, further comprising a lift tube, wherein the middle part of the middle partition plate is provided with a through hole and a sinking platform for the lift tube to be placed conveniently.
7. An upper and lower tank locking mechanism as claimed in claim 6, wherein the intermediate partition is provided with a guide mechanism for facilitating positioning of the mold.
8. An upper and lower tank locking mechanism as claimed in claim 6 wherein the intermediate partition is provided with a buffer well and a cold air-blocking plug structure.
9. An upper and lower tank locking mechanism as claimed in claim 6 wherein the riser pipe comprises an upper section and a lower section, the upper section being secured to the intermediate partition.
10. An upper and lower tank locking mechanism according to claim 9 wherein the upper section of the riser pipe including the upper section is provided with a heating means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210969065.1A CN115319056B (en) | 2022-08-12 | 2022-08-12 | Upper and lower tank locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210969065.1A CN115319056B (en) | 2022-08-12 | 2022-08-12 | Upper and lower tank locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115319056A true CN115319056A (en) | 2022-11-11 |
| CN115319056B CN115319056B (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210969065.1A Active CN115319056B (en) | 2022-08-12 | 2022-08-12 | Upper and lower tank locking mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN115319056B (en) |
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| CN110899663A (en) * | 2019-11-25 | 2020-03-24 | 哈尔滨工业大学 | Automatic adjusting and sealing mechanism for top liquid lifting pipe of anti-gravity casting machine |
| CN113275541A (en) * | 2021-05-25 | 2021-08-20 | 哈尔滨工业大学 | Counter-gravity filling forming device for large-size complex amorphous alloy component |
| CN113280117A (en) * | 2021-05-25 | 2021-08-20 | 哈尔滨工业大学 | Locking mechanism in high vacuum environment |
| CN113290232A (en) * | 2021-05-25 | 2021-08-24 | 哈尔滨工业大学 | Reverse gravity filling forming method for large-size complex amorphous alloy component |
| CN216780439U (en) * | 2022-01-21 | 2022-06-21 | 山东威达机械股份有限公司 | Anti-loose drill chuck |
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2022
- 2022-08-12 CN CN202210969065.1A patent/CN115319056B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017107748A1 (en) * | 2015-12-21 | 2017-06-29 | 国家电网公司 | Pressurized container and locking ring for use in pressurized container |
| CN205605811U (en) * | 2016-04-20 | 2016-09-28 | 秦皇岛烟草机械有限责任公司 | Fast opening door pressure vessel opens device soon |
| CN108838373A (en) * | 2018-07-31 | 2018-11-20 | 哈尔滨工业大学 | A kind of large ship copper alloy propeller double-station antigravity casting machine |
| CN108941508A (en) * | 2018-07-31 | 2018-12-07 | 哈尔滨工业大学 | A kind of lower tank lifting of large ship antigravity casting machine and retaining mechanism |
| CN110899663A (en) * | 2019-11-25 | 2020-03-24 | 哈尔滨工业大学 | Automatic adjusting and sealing mechanism for top liquid lifting pipe of anti-gravity casting machine |
| CN113275541A (en) * | 2021-05-25 | 2021-08-20 | 哈尔滨工业大学 | Counter-gravity filling forming device for large-size complex amorphous alloy component |
| CN113280117A (en) * | 2021-05-25 | 2021-08-20 | 哈尔滨工业大学 | Locking mechanism in high vacuum environment |
| CN113290232A (en) * | 2021-05-25 | 2021-08-24 | 哈尔滨工业大学 | Reverse gravity filling forming method for large-size complex amorphous alloy component |
| CN216780439U (en) * | 2022-01-21 | 2022-06-21 | 山东威达机械股份有限公司 | Anti-loose drill chuck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115319056B (en) | 2023-09-15 |
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