CN203203662U - Safety detection device for molten iron pouring liquid level - Google Patents
Safety detection device for molten iron pouring liquid level Download PDFInfo
- Publication number
- CN203203662U CN203203662U CN 201320024912 CN201320024912U CN203203662U CN 203203662 U CN203203662 U CN 203203662U CN 201320024912 CN201320024912 CN 201320024912 CN 201320024912 U CN201320024912 U CN 201320024912U CN 203203662 U CN203203662 U CN 203203662U
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- molten iron
- linking arm
- frame
- liquid level
- detection device
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Abstract
The utility model discloses a safety detection device for a molten iron pouring liquid level. A detection floater, a balancing weight, a connecting arm and a displacement sensor are respectively mounted on a frame to form a molten iron pouring liquid level detection mechanism. A limit switch is mounted on the side surface of the frame, and the limit height of the side liquid level is detected. A protection heat shield is mounted between a pouring basin and the frame and used for protecting safety of a sensor and a connecting cable. The molten iron pouring liquid level is continuously and accurately detected, the safety detection device is compact in structure, convenient to maintain, safe, reliable, noise-free, energy-saving and environment-friendly, discontinuous flow is overcome, safety of molten iron pouring escape is ensured, and automated production of castings is safely and reliably ensured. Production efficiency is improved, and casting quality is ensured. The safety detection device is applicable to a newly built automated pneumatic pouring production line and also applicable to technical transformation for an existing pneumatic casting furnace of a casting line.
Description
Technical field
The utility model relates to the device of casting industry casting, is specifically related to the safety detection device of a kind of molten iron cast liquid level of direct casting.
Background technology
Domestic and international molten iron air pressure casting production line, general manual observation and the Open Control vapour-pressure type casting workpiece that designs burner hearth operating air pressure parameter of adopting, this mode exists can't realize omnidistance safe automatic casting, production efficiency is low, yield rate is low, and casting rhythm is slower.In operating process, the potential safety hazard that molten iron stops and metals run out often appears, influence quality and the low defective of production efficiency of foundry goods.
Summary of the invention
The purpose of this utility model provides a kind of compact conformation, quick and precisely detects the displacement of molten iron casting liquid level, operates steadily, safe and reliable, maintenance rate is low, and it is little to take up room, the operation noiselessness, easy for installation, the safety detection device of a kind of molten iron cast liquid level of efficient energy-saving.
In order to overcome the deficiencies in the prior art, the technical solution of the utility model is to solve like this: a kind of safety detection device of molten iron cast liquid level is by a detection float, a linking arm, a cylinder counterbalance weight, a displacement transducer, a limit switch, a frame, a protection thermal insulation board is formed, and special character of the present utility model is:
Described linking arm is made up of two rectangular steel tubes up and down, the left end of linking arm is connected with the web joint hinged securement, the linking arm middle part is hingedly fixed on the frame, and wherein the right-hand member hinged securement of linking arm detects float, and last rectangular steel tube left end is connected with the cylinder counterbalance weight by double-screw bolt;
The right-hand member of described linking arm and steel pipe upper end are articulated and connected, and the steel pipe lower end is connected with the detection float;
Described web joint is connected with the connecting link of displacement transducer;
Described displacement transducer is installed on the sensor wrap inner chamber and is fastened on the frame left upper end, and the connecting link of displacement transducer is articulated and connected at the linking arm left end;
A described limit switch by the insulation fixture block with two round steel fixed frames before downside, the left end of two round steel links to each other with cable respectively, two round steel just different right-hand member heads stretch into molten iron respectively and go out groove, the other end of cable links to each other with control element;
Described frame is installed in the side that molten iron goes out groove, is used for fixedly connected linking arm, displacement transducer and a limit switch, and two screws are for the swing position of adjusting linking arm on the adjustment frame;
Described protection thermal insulation board inboard has fire-retardent fiber felt-rug to be put in the frame right side, is fixed on frame and molten iron goes out between the groove.
Described frame bottom goes out groove with molten iron and is connected.
Described detection float distance of run is 0～200mm, and the displacement transducer stroke is 0～150mm, and accuracy of detection is ± 0.1%mm.
Described detection float is made by the fire resistive material integral roasting.
The utility model compared with prior art has compact conformation, detects accurately, and it is reliable to operate steadily, and the repair and maintenance rate is low, and it is little to take up room, and the operation noiselessness is low, easy for installation, and the characteristics of energy-conserving and environment-protective also have following advantage simultaneously:
1) changes the work that converses in the stream furnace chamber according to float distance of run and be equipped with pressure and pressure increment, in time in furnace chamber, replenish molten iron, but cast with stopper governor motion interlock precise control, avoided the production hidden danger of casting cutout, guarantee the quality of product, improve the production efficiency of casting.
2) detect float, displacement transducer and cylinder counterbalance weight are hingedly fixed in two ends, the linking arm left and right sides respectively, and displacement transducer is guaranteed the safety detection liquid level away from the high-temperature region.
3) the height difference of two of a limit switch right-hand member heads goes out for detection of molten iron that limiting altitude prevents that molten iron from overflowing in the groove, has remedied the high-order blind area of detection float, avoids potential safety hazard.
Important technological parameters:
Equipment basic size (mm): 800 * 600 * 1000
Float distance of run: S=0 ~ 200mm ∕ float diameter D=~ φ 100mm
Displacement transducer: S=150mm, precision: ± 0.1%mm,
Limit switch: power supply: Dc:24V(or Ac110V)
The utility model is applicable to newly-built robotization air pressure casting production line, also is applicable to the technological transformation of existing foudry line air pressure casting furnace.
Description of drawings
Fig. 1 is the utility model master TV structure synoptic diagram;
Fig. 2 looks cross-sectional view for the right side of Fig. 1;
Fig. 3 is the plan structure synoptic diagram of Fig. 2.
Embodiment
Accompanying drawing is embodiment of the present utility model.
Below in conjunction with accompanying drawing summary of the invention (in the mode of installation component) is described further:
With reference to Fig. 1, shown in Figure 2, a kind of molten iron potting syrup level detecting apparatus is by a detection float, a linking arm, and a cylinder counterbalance weight, a displacement transducer, a limit switch, a frame, a protection thermal insulation board is formed,
Described linking arm 3 is made up of two rectangular steel tubes up and down, the left end of linking arm 3 is connected with web joint 8 hinged securement, linking arm 3 middle parts are hingedly fixed on the frame 11, and wherein the right-hand member hinged securement of linking arm 3 detects float 1, and last rectangular steel tube left end is connected with cylinder counterbalance weight 6 by double-screw bolt;
The right-hand member of described linking arm 3 and steel pipe 2 upper ends are articulated and connected, and steel pipe 2 lower ends are connected with detection float 1;
Described web joint 8 is connected with displacement transducer 5;
Described displacement transducer 5 is installed on sensor wrap 12 inner chambers and is fastened on frame 11 left upper ends, and the connecting link of displacement transducer 5 is articulated and connected at linking arm 3 left ends;
With two round steel, 10 fixed frames, 11 preceding downsides, the left end of one or two round steel 10 links to each other with cable 9 a described limit switch by the insulation fixture block;
Described frame 11 is installed in the side that molten iron goes out groove 14, is used for fixedly connected linking arm, displacement transducer 5 and a limit switch;
Described protection thermal insulation board 13 inboards have fire-retardent fiber felt-rug to be put in frame 11 right sides, are fixed on frame 11 and molten iron and go out between the groove 14.
Described frame 11 bottoms go out groove 14 with molten iron and are connected.
Described detection float distance of run is 0～200mm, and the displacement transducer stroke is 0～150mm, and accuracy of detection is ± 0.1%mm.
Described detection float is made by the fire resistive material integral roasting.
The course of work of the safety detection device of molten iron cast liquid level:
The safety detection device of molten iron cast liquid level is positioned at the side that molten iron goes out groove 14, and the hole of at first adjusting steel pipe 2 correct positions among Fig. 1 is hingedly fixed in linking arm 3, adjusts the most significant digit of the high-order corresponding displacement transducer work of swing of screw 4 linking arms 3 on the frame 11.Correct installation deviation.After correction is finished, cylinder counterbalance weight 6 positions of afterbody double-screw bolt in the adjusting, moving to guarantee surveying device.Do sensitive.Displacement transducer 5 is installed on sensor wrap 13 inner chambers and is fastened on frame 11 left upper ends, and the connecting link of displacement transducer 5 is hinged on linking arm 3 left upper ends.Use the insulation fixture block with two round steel (electrode) fixed frame, 11 preceding downsides for one group, the left end of one group of electrode 12 links to each other with cable.When the slowly decline that molten iron goes out groove 14, detect float 1 also along with slowly descending, drop to a certain assigned position by the time, displacement transducer 5 provides a signal, and at this moment, the molten iron of converter replenishes molten iron by pipeline 9, continue cast, avoided the production hidden danger of casting cutout.
Claims (4)
1. a molten iron is poured into a mould the safety detection device of liquid level, and this installs by a detection float, a linking arm, and a cylinder counterbalance weight, a displacement transducer, a limit switch, a frame, a protection thermal insulation board is formed, and it is characterized in that:
Described linking arm (3) is made up of two rectangular steel tubes up and down, the left end of linking arm (3) is connected with web joint (8) hinged securement, linking arm (3) middle part is hingedly fixed on the frame (11), wherein the right-hand member hinged securement of linking arm (3) detects float (1), and last rectangular steel tube left end is connected with cylinder counterbalance weight (6) by double-screw bolt;
The right-hand member of described linking arm (3) and steel pipe (2) upper end are articulated and connected, and steel pipe (2) lower end is connected with detection float (1);
Described web joint (8) is connected with the connecting link of displacement transducer (5);
Described displacement transducer (5) is installed on sensor wrap (12) inner chamber and is fastened on frame (11) left upper end, and the connecting link of displacement transducer (5) is articulated and connected at linking arm (3) left end;
A described limit switch (12) by the insulation fixture block with the preceding downside of two round steel (10) fixed frames (11), two round steel (10) left end link to each other with cable respectively (9), two different right-hand member heads of round steel height stretch into molten iron respectively and go out groove, and the other end of cable links to each other with control element;
Described frame (11) is installed in the side that molten iron goes out groove (14), be used for fixedly connected linking arm, displacement transducer (5) and a limit switch (12), adjust screw (4) for two and be installed in linking arm (3) top, be used for adjusting the swing position of linking arm;
Described protection thermal insulation board (13) inboard has fire-retardent fiber felt-rug to be put in frame (11) right side, is fixed on frame (11) and molten iron and goes out between the groove (14).
2. the safety detection device of a kind of molten iron cast liquid level according to claim 1 is characterized in that described frame (11) bottom goes out groove (14) with molten iron and is connected.
3. according to the safety detection device of the described a kind of molten iron cast liquid level of claim 1, it is characterized in that described detection float distance of run is 0～200mm, the displacement transducer stroke is 0～150mm, and accuracy of detection is ± 0.1%mm.
4. according to the safety detection device of the described a kind of molten iron cast of claim 1 liquid level, it is characterized in that described detection float made by the fire resistive material integral roasting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320024912 CN203203662U (en) | 2013-01-17 | 2013-01-17 | Safety detection device for molten iron pouring liquid level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320024912 CN203203662U (en) | 2013-01-17 | 2013-01-17 | Safety detection device for molten iron pouring liquid level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203203662U true CN203203662U (en) | 2013-09-18 |
Family
ID=49147762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320024912 Expired - Fee Related CN203203662U (en) | 2013-01-17 | 2013-01-17 | Safety detection device for molten iron pouring liquid level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203203662U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014324A (en) * | 2017-06-01 | 2017-08-04 | 广州文冲船厂有限责任公司 | Torsion resistance measurement apparatus and method |
| CN108580864A (en) * | 2018-07-02 | 2018-09-28 | 聊城信源集团有限公司 | A kind of anode carbon block assembling ferrophosphorus casting system |
-
2013
- 2013-01-17 CN CN 201320024912 patent/CN203203662U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014324A (en) * | 2017-06-01 | 2017-08-04 | 广州文冲船厂有限责任公司 | Torsion resistance measurement apparatus and method |
| CN108580864A (en) * | 2018-07-02 | 2018-09-28 | 聊城信源集团有限公司 | A kind of anode carbon block assembling ferrophosphorus casting system |
| CN108580864B (en) * | 2018-07-02 | 2023-11-21 | 聊城信源集团有限公司 | Anode carbon block assembled ferrophosphorus casting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Xingquan Inventor after: Li Jie Inventor before: Li Xingquan Inventor before: Li Jie |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20180117 |