CN204854322U - Rotary kiln shovel flitch lifts up detection device - Google Patents
Rotary kiln shovel flitch lifts up detection device Download PDFInfo
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- CN204854322U CN204854322U CN201520631773.XU CN201520631773U CN204854322U CN 204854322 U CN204854322 U CN 204854322U CN 201520631773 U CN201520631773 U CN 201520631773U CN 204854322 U CN204854322 U CN 204854322U
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- therewith
- shovel flitch
- pivoted lever
- bracket
- rotary kiln
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Abstract
The utility model belongs to the technical field of the rotary kiln work fault detection of drying grate, especially relate to a rotary kiln shovel flitch lifts up detection device. It includes the DCS system, fixed frame and counter weight jib, be equipped with cantilever in the fixed frame, be equipped with shovel flitch detection device on this cantilever, this shovel flitch detection device is by spacing guide holder, a holder, articulated seat, the stopper, the sensor support, the revolving axle, the pivoted lever, elasticity stretching device, linear displacement sensor, an alarm device, the spiral strainer, horizontal gallows of follow -up and dust cover are constituteed, the spiral strainer is by dextrorotation thread brace rod, to the silk braid, the left -handed screw pull rod is constituteed, the utility model discloses appear the principle application to the mechanical structure in with geometric similarity, it is unequal rotary to set up the both ends distance on the pivoted lever, goes up and down the one end narrow spacing from going up and down to enlarge into at double the big distance of the other end, and linear displacement sensor is with signal transmission to DCS system, can accurate grasp the operating condition of shovel flitch, in case in time report to the police when unusual.
Description
Technical field
The technical field that the rotary kiln job failure that the utility model belongs to drying grate detects, particularly relates to a kind of rotary kiln shovel flitch and lifts checkout gear.
Background technology
Along with the develop rapidly of China's steel and iron industry, the iron and steel enterprise that domestic employing chain grate-rotary kiln method produces acid pellet gets more and more, the advantages such as simultaneously production scale also expands present millions of tons to gradually by annual production hundreds of thousands ton, and the technique fully demonstrating chain grate-rotary kiln method is advanced, superior in quality, output is higher, benefit is remarkable.
In pelletizing plant's production process, shovel flitch is connected equipment between two large main frames (drying grate and rotary kiln), by shovel flitch by chain grate bed processed the pellet of (dehydration, preheating) deliver in rotary kiln and carry out roasting, shoveling flitch is thus a vital link in pelletizing process.
But through multiple Field Research and summary, nearly all occurred that shovel flitch and drying grate joining place leaked the situation of expecting in debugging and production, once occur leaking material situation, owing to not detecting and warning device, workman is also difficult to Timeliness coverage, but also be difficult to judge to be which shovel flitch lifts, let alone taken appropriate measures, its result there will be leaks material in a large number, even stop production to overhaul, thus constrain the total output of pellet production line, become a middle bottleneck of whole technological process, so ensure that pellet production line steady and continuous is produced, in time, position is particularly important in process of production to detect the shovel flitch of rotary kiln accurately.
Summary of the invention
The purpose of this utility model is that providing a kind of rotary kiln to shovel flitch lifts checkout gear, rotary kiln shovel flitch current location can be detected in real time, accurately and judge the need of process, manual inspection is in the past avoided to find not in time, and be difficult to accurately to judge the problem which shovel flitch lifts, save time and manpower, stable operation important role continuous to guarantee pellet production line.
The purpose of this utility model is realized by following technical proposals:
Rotary kiln shovel flitch of the present utility model lifts checkout gear, comprise DCS system, the fixed frame be connected with shovel flitch afterbody rotated down and the counterweight suspension rod be connected with rotated down in the middle part of shovel flitch, it is characterized in that: on described fixed frame, be provided with pole bracket, this pole bracket is provided with shovel flitch checkout gear, this shovel flitch checkout gear is by the spacing guide holder be slidably connected with described counterweight suspension rod, the bracket be connected with described pole bracket, be located at the hinged seat on this bracket successively, limited block and sensor stand, by the pivoted lever that gyroaxis and described hinged seat are rotationally connected, the elastic stretching device that is hinged of one end of pivoted lever therewith, the linear displacement transducer that is connected of the other end of pivoted lever therewith, the warning device that is connected of linear displacement transducer therewith, the spiral tensioner be connected with described elastic stretching device, the spiral tensioner follow-up horizontal suspension bracket be connected and the dust cover be fixed on described bracket formed therewith, described spiral tensioner is by right-handed thread pull bar, therewith right-handed thread pull rod screw connect to silk braid, therewith the left hand thread pull bar that silk braid is threaded is formed, described left hand thread pull bar is connected with described elastic stretching device, one end of described follow-up horizontal suspension bracket is fixedly connected with described counterweight suspension rod, the other end of described follow-up horizontal suspension bracket is connected with described right-handed thread pull bar, the upper end of described linear displacement transducer is with the hanging scroll be connected with described sensor stand, described linear displacement transducer lower end is with the sensor pull rod be connected with described pivoted lever, described limited block is positioned at below the middle part of described pivoted lever, described warning device is connected with described DCS system.
Described pivoted lever is made up of with the built-in inserted plate be located on this long steel pipe right-hand member central horizontal face the long steel pipe of cross-sectional square shape, described built-in inserted plate is provided with the internal plug seat be connected with described sensor pull rod, described long steel pipe is provided with rotating central hole and lays respectively at the little swing circular hole of this rotating central hole left and right sides end and swing elongated hole greatly, described rotating central hole is connected with described gyroaxis, the described center of large swing elongated hole and the center of described internal plug seat coincide, the center of described rotating central hole and the distance proportion at the described center of little swing circular hole and the center of described internal plug seat are 1:5.
Described elastic stretching device is by the jointed shaft be rotationally connected with described little swing circular hole, the bi-lug plate that is connected of jointed shaft therewith, the spring connecting bottom board that is fixedly connected with of bi-lug plate therewith, the extension spring, the spring overcoat that are fixedly connected with of spring connecting bottom board therewith respectively, the split pin that the spring that is slidably connected of spring overcoat inner surface connects top board and is located at described jointed shaft two ends respectively therewith formed, and described spring connection top board is connected with described left hand thread pull bar.
The utility model has the advantages that:
Similar figures principle in mathematics geometry is applied in frame for movement by the utility model, adopt revolution fulcrum two ends distance being set on pivoted lever and not waiting, the lifting of the small distance of one end is zoomed at double the long distance elevating of the other end, be convenient to detect, and by linear displacement transducer, distance value signal be sent to DCS system; Accurately can grasp the duty when front shovel flitch, can alarm in time when shoveling flitch and being abnormal, while also for operator takes measures to provide relevant authentic communication.
Application of the present utility model, effectively can reduce shovel flitch and lift the trouble and economic loss that cause, and substantially increase the operating efficiency of the miscellaneous equipment on pellet production line.Bring direct economic benefit and indirectly social benefit to enterprise, therefore the utility model has wide market prospects simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is I place's partial enlarged drawing of the utility model Fig. 1.
Fig. 3 is the A-A sectional view of the utility model Fig. 2.
Fig. 4 is II place's partial enlarged drawing of the utility model Fig. 2.
Detailed description of the invention
Detailed description of the invention of the present utility model is further illustrated below in conjunction with accompanying drawing.
As Fig. 1, shown in 2, rotary kiln shovel flitch of the present utility model lifts checkout gear, comprise DCS system, the fixed frame 1 be connected with shovel flitch 3 afterbody rotated down and the counterweight suspension rod 6 be connected with rotated down in the middle part of shovel flitch 3, this counterweight suspension rod 6 is hinged by rotating shaft 5 and shovel flitch 3, shovel flitch 3 can rotate around back shaft 2, drive counterweight suspension rod 6 to move up and down simultaneously, maintain by counterweight suspension rod 6 years weights stack 9 during work and be connected identical with drying grate, cambered surface 4 on shovel flitch 3 is shovel material point, it is characterized in that: on described fixed frame 1, be provided with pole bracket 8, this pole bracket 8 is provided with shovel flitch checkout gear 7, this shovel flitch checkout gear 7 is by the spacing guide holder 7-15 be slidably connected with described counterweight suspension rod 6, the bracket 7-12 be connected with described pole bracket, be located at the hinged seat 7-4 on this bracket successively, limited block 7-14 and sensor stand 7-8, by the pivoted lever that gyroaxis 7-5 and described hinged seat 7-4 are rotationally connected, the elastic stretching device 7-3 that is hinged of one end of pivoted lever therewith, the linear displacement transducer 7-10 that is connected of the other end of pivoted lever therewith, the warning device that is connected of linear displacement transducer 7-10 therewith, the spiral tensioner 7-2 be connected with described elastic stretching device 7-3, the spiral tensioner follow-up horizontal suspension bracket 7-1 be connected and the dust cover 7-7 be fixed on described bracket formed therewith, when the counterweight suspension rod 6 be connected with rotated down in the middle part of shovel flitch 3 moves up and down, pivoted lever can be driven with hinged seat 7-4 for fulcrum, drive pivoted lever two ends to swing up and down simultaneously, it is fan-shaped that its two ends swinging track is always two similar diagonal angles, if fan-shaped arc length chord length is represented, so these two similar diagonal angles are fan-shaped can develop into two similar triangles.
As Fig. 2, shown in 3, described spiral tensioner 7-2 is by right-handed thread pull bar 7-2-1, therewith right-handed thread pull bar 7-2-1 be threaded to silk braid 7-2-2, therewith the left hand thread pull bar 7-2-3 that silk braid 7-2-2 is threaded is formed, described left hand thread pull bar 7-2-3 is connected with described elastic stretching device 7-3, described is the bidirectional helical sleeve that two ends are respectively equipped with levogyrate inner thread and dextrorotation internal thread to silk braid 7-2-2, rotate the total length that this bidirectional helical sleeve can change spiral tensioner, distance whereby directly between adjustable elastic stretching device 7-3 and follow-up horizontal suspension bracket 7-1, indirectly be used for adjusting the zero point of linear displacement transducer simultaneously,
One end of described follow-up horizontal suspension bracket 7-1 is fixedly connected with described counterweight suspension rod 6, the other end of described follow-up horizontal suspension bracket 7-1 is connected with described right-handed thread pull bar 7-2-1, as long as shovel flitch 3 lifts or falls, counterweight suspension rod 6 is just necessarily followed and is risen or decline, simultaneously follow-up horizontal suspension bracket 7-1 drives and one end of spiral tensioner 7-2, elastic stretching device 7-3 and pivoted lever rises or declines, the decline that the other end of pivoted lever is then contrary with it or rising.
As shown in Figure 2,4, the upper end of described linear displacement transducer 7-10 is with the hanging scroll 7-9 be connected with described sensor stand 7-8, described linear displacement transducer 7-10 lower end is with the sensor pull rod 7-13 be connected with described pivoted lever, described limited block 7-14 is positioned at below the middle part of described pivoted lever, limited block 7-14 shields to pivoted lever when counterweight suspension rod 6 non-rational change in location, prevents pivoted lever from bending; When the bottom of pivoted lever touches limited block, it is also the full scale measuring position of linear displacement transducer 7-10;
Described warning device is connected with described DCS system, and when the displacement that linear displacement transducer 7-10 detects reaches warning numerical value, namely warning device is activated, and DCS system also receives change in displacement signal simultaneously.
As Fig. 2, shown in 4, described pivoted lever is made up of with the built-in inserted plate 7-11 be located on this long steel pipe 7-6 right-hand member central horizontal face the long steel pipe of cross-sectional square shape, described built-in inserted plate 7-11 is provided with the internal plug seat 7-6-2 be connected with described sensor pull rod 7-13, described long steel pipe 7-6 is provided with rotating central hole 7-6-3 and lays respectively at the little swing circular hole 7-6-4 of this rotating central hole 7-6-3 left and right sides end and large swing elongated hole 7-6-1, described rotating central hole 7-6-3 is connected with described gyroaxis 7-5, the described center of large swing elongated hole 7-6-1 and the center of described internal plug seat 7-6-2 coincide, the center of described rotating central hole 7-6-3 and the distance proportion at the described little center of swing circular hole 7-6-4 and the center of described internal plug seat are 1:5.
In view of said structure is when pivoted lever rotates, the distance proportion that little swing circular hole 7-6-4 and internal plug seat 7-6-2 rises or declines is all 1:5, in like manner release according to each parts annexation, shovel material point 4 on shovel flitch 3 is once lift a bit of distance h, after pivoted lever transmits, reaction is five times of h values in the distance of pivoted lever right-hand member, and pivoted lever has distance amplification.
As Fig. 2, 3, shown in 4, described elastic stretching device 7-3 is by the jointed shaft 7-3-6 be rotationally connected with described little swing circular hole 7-6-4, the bi-lug plate 7-3-5 that is connected of jointed shaft 7-3-6 therewith, the spring connecting bottom board 7-3-4 that is fixedly connected with of bi-lug plate 7-3-5 therewith, the extension spring 7-3-3 that is fixedly connected with of spring connecting bottom board 7-3-4 therewith respectively, spring overcoat 7-3-1, the split pin 7-3-7 that the spring that is slidably connected of spring overcoat 7-3-1 inner surface connects top board 7-3-2 and is located at described jointed shaft 7-3-6 two ends respectively therewith formed, described spring connects top board 7-3-2 and is connected with described left hand thread pull bar 7-2-3.Extension spring 7-3-3 after installation and debugging does not have stretching displacement (total length is constant) in elastic limit; that is: shovel the shovel material point 4 of flitch 3 be in rational position or raising height in limits time extension spring 7-3-3 be inoperative; only have when shoveling material point 4 raising heights and going beyond the limit of value; extension spring 7-3-3 is stretched, thus protection linear displacement transducer 7-10 is not damaged.
Claims (3)
1. a rotary kiln shovel flitch lifts checkout gear, comprise DCS system, the fixed frame be connected with shovel flitch afterbody rotated down and the counterweight suspension rod be connected with rotated down in the middle part of shovel flitch, it is characterized in that: on described fixed frame, be provided with pole bracket, this pole bracket is provided with shovel flitch checkout gear, this shovel flitch checkout gear is by the spacing guide holder be slidably connected with described counterweight suspension rod, the bracket be connected with described pole bracket, be located at the hinged seat on this bracket successively, limited block and sensor stand, by the pivoted lever that gyroaxis and described hinged seat are rotationally connected, the elastic stretching device that is hinged of one end of pivoted lever therewith, the linear displacement transducer that is connected of the other end of pivoted lever therewith, the warning device that is connected of linear displacement transducer therewith, the spiral tensioner be connected with described elastic stretching device, the spiral tensioner follow-up horizontal suspension bracket be connected and the dust cover be fixed on described bracket formed therewith, described spiral tensioner is by right-handed thread pull bar, therewith right-handed thread pull rod screw connect to silk braid, therewith the left hand thread pull bar that silk braid is threaded is formed, described left hand thread pull bar is connected with described elastic stretching device, one end of described follow-up horizontal suspension bracket is fixedly connected with described counterweight suspension rod, the other end of described follow-up horizontal suspension bracket is connected with described right-handed thread pull bar, the upper end of described linear displacement transducer is with the hanging scroll be connected with described sensor stand, described linear displacement transducer lower end is with the sensor pull rod be connected with described pivoted lever, described limited block is positioned at below the middle part of described pivoted lever, described warning device is connected with described DCS system.
2. rotary kiln shovel flitch according to claim 1 lifts checkout gear, it is characterized in that: described pivoted lever is made up of with the built-in inserted plate be located on this long steel pipe right-hand member central horizontal face the long steel pipe of cross-sectional square shape, described built-in inserted plate is provided with the internal plug seat be connected with described sensor pull rod, described long steel pipe is provided with rotating central hole and lays respectively at the little swing circular hole of this rotating central hole left and right sides end and swing elongated hole greatly, described rotating central hole is connected with described gyroaxis, the described center of large swing elongated hole and the center of described internal plug seat coincide, the center of described rotating central hole and the distance proportion at the described center of little swing circular hole and the center of described internal plug seat are 1:5.
3. rotary kiln shovel flitch according to claim 1 lifts checkout gear, it is characterized in that: described elastic stretching device is by the jointed shaft be rotationally connected with described little swing circular hole, the bi-lug plate that is connected of jointed shaft therewith, the spring connecting bottom board that is fixedly connected with of bi-lug plate therewith, the extension spring that is fixedly connected with of spring connecting bottom board therewith respectively, spring overcoat, the split pin that the spring that is slidably connected of spring overcoat inner surface connects top board and is located at described jointed shaft two ends respectively therewith formed, described spring connects top board and is connected with described left hand thread pull bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520631773.XU CN204854322U (en) | 2015-08-21 | 2015-08-21 | Rotary kiln shovel flitch lifts up detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520631773.XU CN204854322U (en) | 2015-08-21 | 2015-08-21 | Rotary kiln shovel flitch lifts up detection device |
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| Publication Number | Publication Date |
|---|---|
| CN204854322U true CN204854322U (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520631773.XU Withdrawn - After Issue CN204854322U (en) | 2015-08-21 | 2015-08-21 | Rotary kiln shovel flitch lifts up detection device |
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| Country | Link |
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| CN (1) | CN204854322U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066688A (en) * | 2015-08-21 | 2015-11-18 | 中冶北方（大连）工程技术有限公司 | Lifting detection device for spading plate of rotary kiln |
| CN108756781A (en) * | 2018-05-23 | 2018-11-06 | 徐工集团工程机械有限公司 | A kind of truck-mounted drilling rig crane arm control device |
-
2015
- 2015-08-21 CN CN201520631773.XU patent/CN204854322U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066688A (en) * | 2015-08-21 | 2015-11-18 | 中冶北方（大连）工程技术有限公司 | Lifting detection device for spading plate of rotary kiln |
| CN108756781A (en) * | 2018-05-23 | 2018-11-06 | 徐工集团工程机械有限公司 | A kind of truck-mounted drilling rig crane arm control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151209 Effective date of abandoning: 20171114 |