CN112570697A - Mechanical liquid level control tool - Google Patents
Mechanical liquid level control tool Download PDFInfo
- Publication number
- CN112570697A CN112570697A CN202011495632.1A CN202011495632A CN112570697A CN 112570697 A CN112570697 A CN 112570697A CN 202011495632 A CN202011495632 A CN 202011495632A CN 112570697 A CN112570697 A CN 112570697A
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- Prior art keywords
- adjusting lever
- level control
- hole
- control tool
- mechanical
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- 239000007788 liquid Substances 0.000 title claims abstract description 40
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D37/00—Controlling or regulating the pouring of molten metal from a casting melt-holding vessel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a mechanical liquid level control tool which comprises a support frame (5), an adjusting lever (4) with a middle hinged hole connected with the support frame (5) through a hinged shaft, a stopper rod (2) with an upper connecting part installed at the first end of the adjusting lever (4) and a lower stopper part extending into a horn nozzle (1), a connecting assembly with the upper end installed at the second end of the adjusting lever (4), and a buoy (10) installed at the lower end of the connecting assembly, wherein the buoy (10) is arranged on molten aluminum in a crystallizer, in an initial state, the stopper rod (2) and the connecting assembly are arranged along the vertical direction, the adjusting lever (4) is arranged along the horizontal direction, an opening of the horn nozzle (1) is reduced from top to bottom, and the inner diameter of the opening of the horn nozzle (1) at a set position is equal to the maximum diameter of the lower stopper part. The mechanical liquid level control tool controls flow by mechanical operation, so that the operation is more stable.
Description
Technical Field
The invention relates to the technical field of fusion casting production, in particular to a mechanical liquid level control tool.
Background
The current flow control system used in most aluminum processing industry is manual operation control and laser automatic flow control. The manual operation control is mainly characterized in that operators have different operation levels according to operation experiences, so that the liquid level control and the ingot casting metallurgical quality are unstable. The laser automatic flow control is advanced in technology, but expensive, and high in use and maintenance cost.
In summary, how to effectively solve the problems of poor control of flow control and the like in the production of the aluminum processing industry is a problem which needs to be solved urgently by the technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide a mechanical liquid level control tool, which controls flow by mechanical operation and enables the operation to be more stable.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a mechanical type liquid level control instrument, including support frame, middle part hinge hole with the support frame passes through the regulation lever of hinge connection, go up connecting portion install in stopper stick, upper end in the stopper mouth portion stretches into the horn mouth under the first end of regulation lever install in the coupling assembling of regulation lever second end, install in the cursory of coupling assembling lower extreme, cursory in the crystallizer on aluminium liquid, during initial state, stopper stick and coupling assembling follow vertical direction, adjust the lever along the horizontal direction, the opening of horn mouth is from last to reducing down, the opening internal diameter of horn mouth in the position department of setting for with the maximum diameter of stopper mouth portion equals down.
Preferably, the adjusting lever has a plurality of hinge holes formed along an axial direction thereof at a side surface thereof, and the support bracket and the adjusting lever are connected to each other.
Preferably, the support frame is provided with a round hole, and the first bolt sequentially penetrates through the round hole and the hinge hole and is fastened at the tail end by a nut.
Preferably, the adjusting device further comprises an adjusting slide block with a through hole, the adjusting lever is provided with a long hole along the axial direction of the adjusting lever on the upper end face and the lower end face, a second bolt sequentially penetrates through the long hole and the through hole and is fixed at the tail end by a split pin, and the second bolt can move along the long hole.
Preferably, the upper portion of the connecting assembly has a first external thread, the second end of the adjusting lever has a first threaded hole matched with the first external thread, and the upper portion of the connecting assembly is installed in the first threaded hole.
Preferably, coupling assembling including install in adjusting nut in the first screwed hole, with the connecting rod that universal joint connects is passed through to adjusting nut's lower extreme, the cursory installation in the lower extreme of connecting rod.
Preferably, the support frame has an opening in a lower support plate thereof, and the connecting rod is inserted into the opening.
Preferably, the last connecting portion of stopper stick is connected with the installation cover, the mounting bracket that has first internal thread is installed to the first end of adjusting lever, the periphery of installation cover have with the first internal thread matched with second external thread of mounting bracket, installation cover and mounting bracket pass through threaded connection.
Preferably, the lower end face of the mounting sleeve is provided with a connecting hole with a second internal thread, the upper connecting part of the stopper rod is provided with a third external thread matched with the second internal thread, and the upper connecting part of the stopper rod is in threaded connection with the connecting hole.
Preferably, the first end both sides board of adjusting lever has the recess, the both sides of mounting bracket have with recess matched with connecting rod, the connecting rod of both sides erect in the recess of both sides.
The mechanical liquid level control tool provided by the invention comprises a support frame, an adjusting lever, a stopper rod, a connecting assembly and a buoy, wherein the support frame is equivalent to a rack and is arranged on a flow disc to support the whole device. The middle part of the adjusting lever is provided with a hinge hole, the support frame is provided with a hinge shaft, the hinge hole of the adjusting lever is sleeved on the hinge shaft, and the hinge shaft plays a role in connection; and the adjusting lever can rotate around a hinged shaft, the hinged shaft is a fulcrum of the adjusting lever, and the adjusting lever is hinged with the support frame through the hinged shaft.
The upper connecting part of the stopper rod is arranged at the first end of the adjusting lever, and the stopper rod can be adjusted to the position right above the horn mouth through the transverse position of the adjusting lever, so that the lower mouth part of the stopper rod extends into the horn mouth. The horn mouth is arranged in the flow table prefabricated part, is made of refractory materials and is used for supplying the metal in the flow table to the crystallizer. The opening of the horn mouth is reduced from top to bottom, and the diameter of the opening at the lowest part of the horn mouth is equal to that of the lower plug opening part. The lower opening part of the stopper rod extends into the lowest part of the horn mouth to completely block the opening of the horn mouth, and the size of the opening is minimum. The upper end of the connecting assembly is mounted to the second end of the adjustment lever and the connecting assembly may be made of 304 materials. The cursory lower extreme in coupling assembling of installing, coupling assembling connects cursory. The liquid level sensor floats on the molten aluminum in the crystallizer and is used for transmitting the information of the liquid level in the crystallizer.
In the initial state, the stopper rod and the connecting assembly are in the vertical direction, and the adjusting lever is in the horizontal direction. After the flow supply is started, when the liquid level in the crystallizer reaches a certain height, the end where the float is located is raised due to the buoyancy of the float, the height of the end where the stopper rod is located is lowered, the depth of the lower stopper opening of the stopper rod extending into the horn nozzle is deepened, the opening degree between the stopper rod and the horn nozzle is reduced, and the flow supply of aluminum liquid is reduced; when the liquid level in the crystallizer descends, the buoy is reduced by buoyancy, one end of the buoy descends, one end of the stopper rod ascends, the depth of the lower stopper part of the stopper rod extending into the horn nozzle becomes shallow, the opening degree between the stopper rod and the horn nozzle is increased, and the flow rate of the molten aluminum is increased. The above steps are repeated so as to realize the mechanical control of the liquid level.
By applying the technical scheme provided by the embodiment of the invention, the liquid level is controlled by utilizing the lever principle, the mechanical operation is realized, the operation is simple and convenient, the flow control is more stable and accurate, and the fact that the things are done by experience is avoided; the flow supply is stable, the secondary pollution of the molten aluminum is reduced, and the ingot casting metallurgical quality is facilitated; compared with an expensive laser control device, the use and maintenance cost is low; for all soft alloys without bottom paving, the flow control tool can be well operated, and has strong practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a mechanical fluid level control tool according to an embodiment of the present invention.
The drawings are numbered as follows:
1-a horn mouth; 2-a stopper rod; 3, mounting a sleeve; 4-adjusting the lever; 5-a support frame; 6-adjusting the sliding block; 7-adjusting the nut; 8-universal coupling; 9-a connecting rod; 10-floating.
Detailed Description
The core of the invention is to provide a mechanical liquid level control tool, which controls flow by mechanical operation, so that the operation is more stable.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a mechanical liquid level control tool according to an embodiment of the present invention.
In a specific embodiment, the mechanical liquid level control tool provided by the invention comprises a support frame 5, an adjusting lever 4, a stopper rod 2, a connecting assembly and a buoy 10, wherein the middle part of the adjusting lever 4 is connected with the support frame 5 through a hinge shaft, the upper connecting portion is installed at the first end of the adjusting lever 4, the lower stopper opening portion extends into the horn mouth 1, the upper end of the connecting assembly is installed at the second end of the adjusting lever 4, the buoy 10 is installed at the lower end of the connecting assembly and is arranged on molten aluminum in a crystallizer, in an initial state, the stopper rod 2 and the connecting assembly are arranged along the vertical direction, the adjusting lever 4 is arranged along the horizontal direction, the opening of the horn mouth 1 is reduced from top to bottom, and the inner diameter of the opening of the horn mouth 1.
In the structure, the mechanical liquid level control tool comprises a support frame 5, an adjusting lever 4, a stopper rod 2, a connecting assembly and a buoy 10, wherein the support frame 5 is equivalent to a rack and is arranged on a flow disc to support the whole device. Preferably, the support frame 5 is made of Q345 material, so that the strength is high, the support frame is firm, and the cost is low.
The middle part of the adjusting lever 4 is provided with a hinge hole, the support frame 5 is provided with a hinge shaft, the hinge hole of the adjusting lever 4 is sleeved on the hinge shaft, and the hinge shaft plays a role in connection; moreover, the adjusting lever 4 can rotate around a hinge shaft, the hinge shaft is a fulcrum of the adjusting lever 4, and the adjusting lever 4 is hinged with the support frame 5 through the hinge shaft. The adjusting lever 4 can be made of Q235 material.
The upper connecting part of the stopper rod 2 is arranged at the first end of the adjusting lever 4, and the stopper rod 2 can be adjusted to the position right above the horn mouth 1 through the transverse position of the adjusting lever 4, so that the lower mouth part of the stopper rod 2 extends into the horn mouth 1.
The horn mouth 1 is arranged in the flow table prefabricated part, is made of refractory materials and is used for supplying the metal in the flow table to the crystallizer. The opening of horn mouth 1 reduces from last to down, horn mouth 1 in the opening internal diameter of settlement position department with the maximum diameter of lower gag portion equals, say that horn mouth 1 lean on the opening internal diameter of department about 25mm at the lower extreme with the maximum diameter of lower gag portion equals, when the lower gag portion of stopper stick 2 stretches into this position of horn mouth 1, the stopper stick 2 blocks up the opening of horn mouth 1 completely, and the opening size is minimum.
The upper end of the connecting member is mounted to the second end of the adjustment lever 4 and the connecting member may be made of 304 material. The buoy 10 is arranged at the lower end of the connecting assembly, and the connecting assembly is connected with the buoy 10.
The float 10 is arranged on the aluminum liquid in the crystallizer and is used for transmitting the information of the height of the liquid level in the crystallizer. The specific float 10 may be made of N17 material.
In the initial state, the stopper rod 2 and the connecting assembly are in the vertical direction, and the adjusting lever 4 is in the horizontal direction. After the flow supply is started, when the liquid level in the crystallizer reaches a certain height, the end where the float 10 is positioned is raised due to the buoyancy of the float 10, the height of the end where the stopper rod 2 is positioned is lowered, the depth of the lower plug part of the stopper rod 2 extending into the horn mouth 1 is deepened, the opening degree between the stopper rod 2 and the horn mouth 1 is reduced, and the flow supply of aluminum liquid is reduced; when the liquid level in the crystallizer descends, the buoy 10 is reduced by buoyancy, the end where the buoy 10 is located descends, the end where the stopper rod 2 is located ascends, the depth of the lower stopper part of the stopper rod 2 extending into the horn mouth 1 becomes shallow, the opening degree between the stopper rod 2 and the horn mouth 1 is increased, and the flow supply of aluminum liquid is increased. The above steps are repeated so as to realize the mechanical control of the liquid level.
By applying the technical scheme provided by the embodiment of the invention, the liquid level is controlled by utilizing the lever principle, the mechanical operation is realized, the operation is simple and convenient, the flow control is more stable and accurate, and the fact that the things are done by experience is avoided; the flow supply is stable, the secondary pollution of the molten aluminum is reduced, and the ingot casting metallurgical quality is facilitated; compared with an expensive laser control device, the use and maintenance cost is low; for all soft alloys without bottom paving, the flow control tool can be well operated, and has strong practicability.
On the basis of the above-mentioned embodiment, the adjusting lever 4 has a plurality of hinge holes along its axial direction on its side, and the support frame 5 and the adjusting lever 4 are connected by selecting one of the hinge holes, and the lateral position can be adjusted by the adjusting lever 4. The adjusting lever 4 and the connecting parts on the two sides are balanced, and the adjusting lever 4 is leveled, so that the adjusting lever 4 is in a horizontal state in an initial state, and the connecting parts are in a vertical state in the initial state.
Further optimize above-mentioned technical scheme, the articulated connected mode of support frame 5 and adjusting lever 4 has at least two kinds of situations.
In the first case, the support frame 5 is provided with a round hole, a first bolt passes through the round hole and the hinge hole in sequence and the tail end of the first bolt is fastened by a nut, and the first bolt not only connects the support frame 5 with the adjusting lever 4; the first bolt acts as a hinge shaft and also allows the adjustment lever 4 to rotate about the first bolt. In this structure, first bolt can be dismantled completely, and when first bolt wearing and tearing were comparatively serious, can change alone.
In the second condition, be fixed with the articulated shaft on the support frame 5, both can be welded connection, and the suit is on the articulated shaft between the hinge hole of adjusting lever 4, and the end of articulated shaft has the external screw thread, and through the nut fastening, spare part quantity reduces, simplifies the structure.
The mechanical liquid level control tool provided by the invention is not limited to the situation, and under the condition that other components are not changed, the mechanical liquid level control tool also comprises an adjusting slide block 6, the adjusting slide block 6 is arranged on the adjusting lever 4, the adjusting slide block 6 plays a role of balance weight, the adjusting lever 4 can be subjected to micro-leveling treatment by adjusting the position of the adjusting slide block 6 on the adjusting lever 4, and the whole tool can be balanced to ensure stable metal flow supply. The adjusting slide 6 can be made of 304 materials.
The connection relation between the adjusting slide block 6 and the adjusting lever 4 can be that the adjusting lever 4 is provided with a strip hole on the upper end surface and the lower end surface, and the length direction of the strip hole is along the axial direction of the adjusting lever 4. The adjusting slide block 6 is provided with a through hole, the second bolt sequentially penetrates through the strip hole and the through hole, the tail end of the second bolt is provided with a pin hole, and a small hole at the tail end is fixed by a cotter pin. It should be noted that, in this connection mode, the adjusting slider 6 may be located on the upper end surface of the adjusting lever 4, and the adjusting lever 4 has a supporting effect on the adjusting slider 6, so that connection is convenient; the adjusting slide block 6 can also be positioned on the lower end surface of the adjusting lever 4, and the structure is compact.
In the structure, the second bolt can move along the long hole, so that the adjusting slide block 6 can be driven to move along the axial direction of the adjusting lever 4, and the micro-leveling processing is carried out on the adjusting lever 4.
In another more reliable embodiment, on the basis of any one of the above embodiments, the upper portion of the connecting assembly is provided with a first external thread, the second end of the adjusting lever 4 is provided with a first threaded hole, the first threaded hole is matched with the first external thread, the upper portion of the connecting assembly is installed in the first threaded hole, the height of the float 10 in the longitudinal direction can be adjusted through the adjusting nut 7, the height of the float 10 is suitable for aluminum liquids with different heights in an initial state, and the whole tool is kept in a balanced state.
On the basis of each specific embodiment, the connecting assembly comprises an adjusting nut 7 and a connecting rod 9, the adjusting nut 7 is installed in the first threaded hole, and the position of the adjusting nut 7 screwed into the first threaded hole can be adjusted, so that the height of the buoy 10 can be adjusted, and the adjustment is convenient. The adjusting nut 7 may be made of 304 material.
The connecting rod 9 is connected with the lower end of the adjusting nut 7 through a universal coupling 8, the float 10 is arranged at the lower end of the connecting rod 9, and the universal coupling 8 connects the adjusting nut 7 with the connecting rod 9; the float 10 can flexibly rotate, and the part of the float 10 always vertically floats on the liquid level. The universal joint 8 may be made of 304 material.
On the basis of the above-mentioned specific embodiments, the lower support plate of the support frame 5 is provided with an opening, the connecting rod 9 is inserted into the opening, and the opening has a circumferential limiting effect on the connecting rod 9 to keep the connecting rod 9 perpendicular to the liquid level all the time.
In another more reliable embodiment, on the basis of any one of the above embodiments, the upper connecting part of the stopper rod 2 is connected with the mounting sleeve 3, and the outer periphery of the mounting sleeve 3 is provided with a second external thread.
The first end of the adjusting lever 4 is provided with a mounting bracket having a first internal thread. The second external thread of the mounting sleeve 3 is matched with the first internal thread of the mounting frame, and the mounting sleeve 3 is connected with the mounting frame through threads. The position of the mounting sleeve 3 screwed into the first internal thread of the mounting frame can be adjusted, so that the height of the lower plug part of the plug rod 2 is adjusted, and the adjustment is convenient.
On the basis of above-mentioned each embodiment, the lower terminal surface of installation cover 3 has the connecting hole, and the connecting hole has the second internal thread, and the last connecting portion of stopper rod 2 has the third external screw thread, and the third external screw thread of stopper rod 2 cooperatees with the second internal thread of installation cover 3, and the last connecting portion and the connecting hole of stopper rod 2 pass through threaded connection, can further adjust the height of stopper rod 2, come control stopper rod 2 and horn mouth 1 complex aperture to control metal flow's size.
On the basis of each above-mentioned specific embodiment, have the recess on the first end both sides board of adjusting lever 4, the both sides of mounting bracket have with recess matched with connecting rod 9, the connecting rod 9 of both sides erects in the recess of both sides, connect conveniently, easily dismantle.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The mechanical level control means provided by the present invention has been described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a mechanical type liquid level control instrument, its characterized in that, including support frame (5), middle part hinge hole with support frame (5) through articulated shaft connected adjusting lever (4), go up connecting portion install in adjusting lever (4) first end and stopper portion stretch into stopper stick (2), the upper end in horn mouth (1) install in the coupling assembling of adjusting lever (4) second end, install in cursory (10) of coupling assembling lower extreme, cursory (10) are on aluminium liquid in the crystallizer, during initial state, stopper stick (2) and coupling assembling are along vertical direction, adjusting lever (4) are along the horizontal direction, the opening of horn mouth (1) is from last to reducing to shrinking, horn mouth (1) the opening internal diameter in the position department of setting for with the maximum diameter of stopper portion equals down.
2. Mechanical fluid level control tool according to claim 1, characterized in that the adjusting lever (4) has a plurality of hinge holes along its axial direction on the side, the support (5) and the adjusting lever (4) being connected in one of them.
3. The mechanical liquid level control tool as claimed in claim 2, wherein the support frame (5) has a circular hole, and the first bolt sequentially passes through the circular hole and the hinge hole and is fastened at the tail end by a nut.
4. The mechanical liquid level control tool according to claim 2, further comprising an adjusting slider (6) having a through hole, wherein the adjusting lever (4) is provided with a long hole along an axial direction thereof on upper and lower end surfaces thereof, and a second bolt is sequentially passed through the long hole and the through hole and fixed at a distal end thereof by a cotter pin, and the second bolt is movable along the long hole.
5. Mechanical level control tool according to claim 1, characterized in that the upper part of the connecting assembly has a first external thread, the second end of the adjusting lever (4) has a first threaded hole cooperating with the first external thread, and the upper part of the connecting assembly is mounted in the first threaded hole.
6. The mechanical level control tool of claim 5, wherein the connection assembly comprises an adjusting nut (7) mounted in the first threaded bore, a connecting rod (9) connected to a lower end of the adjusting nut (7) by a universal coupling (8), and the float (10) is mounted to a lower end of the connecting rod (9).
7. Mechanical fluid level control tool according to claim 6, characterized in that the lower support plate of the support frame (5) has an opening in it, into which the connecting rod (9) is inserted.
8. The mechanical fluid level control tool according to any one of claims 1 to 7, wherein the upper connecting portion of the stopper rod (2) is connected with a mounting sleeve (3), a mounting bracket having a first internal thread is mounted at a first end of the adjusting lever (4), a second external thread matching the first internal thread of the mounting bracket is provided at the periphery of the mounting sleeve (3), and the mounting sleeve (3) and the mounting bracket are connected by a thread.
9. The mechanical liquid level control tool according to claim 8, wherein the lower end face of the mounting sleeve (3) is provided with a connecting hole with a second internal thread, the upper connecting part of the stopper rod (2) is provided with a third external thread matched with the second internal thread, and the upper connecting part of the stopper rod (2) is in threaded connection with the connecting hole.
10. The mechanical liquid level control tool as claimed in claim 8, wherein the first end of the adjusting lever (4) has grooves on both side plates, the mounting frame has connecting rods (9) on both sides matching with the grooves, and the connecting rods (9) on both sides are erected in the grooves on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011495632.1A CN112570697A (en) | 2020-12-17 | 2020-12-17 | Mechanical liquid level control tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011495632.1A CN112570697A (en) | 2020-12-17 | 2020-12-17 | Mechanical liquid level control tool |
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| Publication Number | Publication Date |
|---|---|
| CN112570697A true CN112570697A (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011495632.1A Pending CN112570697A (en) | 2020-12-17 | 2020-12-17 | Mechanical liquid level control tool |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2111408U (en) * | 1991-10-17 | 1992-07-29 | 钟明德 | Automatic control liquid level valve |
| KR20090099329A (en) * | 2008-03-17 | 2009-09-22 | 주식회사 포스코 | Apparatus for controlling mould level and continuous casting method using the same |
| CN105478700A (en) * | 2015-12-19 | 2016-04-13 | 西南铝业（集团）有限责任公司 | Liquid level control device |
| CN214263872U (en) * | 2020-12-17 | 2021-09-24 | 西南铝业（集团）有限责任公司 | Mechanical liquid level control tool |
-
2020
- 2020-12-17 CN CN202011495632.1A patent/CN112570697A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2111408U (en) * | 1991-10-17 | 1992-07-29 | 钟明德 | Automatic control liquid level valve |
| KR20090099329A (en) * | 2008-03-17 | 2009-09-22 | 주식회사 포스코 | Apparatus for controlling mould level and continuous casting method using the same |
| CN105478700A (en) * | 2015-12-19 | 2016-04-13 | 西南铝业（集团）有限责任公司 | Liquid level control device |
| CN214263872U (en) * | 2020-12-17 | 2021-09-24 | 西南铝业（集团）有限责任公司 | Mechanical liquid level control tool |
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