CN112146442B - Sintering machine trolley grate bar resetting device - Google Patents
Sintering machine trolley grate bar resetting device Download PDFInfo
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- CN112146442B CN112146442B CN202011047790.0A CN202011047790A CN112146442B CN 112146442 B CN112146442 B CN 112146442B CN 202011047790 A CN202011047790 A CN 202011047790A CN 112146442 B CN112146442 B CN 112146442B
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- steel structure
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- lower sliding
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- guide pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
- F27B21/02—Sintering grates or tables
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- General Engineering & Computer Science (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
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Abstract
The invention relates to a sintering machine trolley grate bar resetting device, which comprises a left support frame, a right support frame and a compression roller, wherein the upper ends of the left support frame and the right support frame are symmetrically connected to a main beam above a sintering machine trolley, and the resetting device is characterized in that: the lower ends of the left support frame and the right support frame are respectively connected with a left lower sliding frame and a right lower sliding frame in a rolling way, a telescopic mechanism is arranged between the left support frame and the left lower sliding frame, and a telescopic mechanism with the same structure is also arranged between the right support frame and the right lower sliding frame. The invention has the advantages that: the compression roller is provided with pressing force through expansion and contraction, the device is independent of the weight of the device, the adjustability of the compression roller initial position, the compression stroke and the pressing force of the compression roller is realized through the screw bolt precession and the setting of the compression spring, and the device is simple in structure, light in weight and convenient to install.
Description
Technical Field
The invention relates to the technical field of sintering machines, in particular to a trolley grate bar resetting device of a sintering machine.
Background
The grate bars of the sintering machine trolley are regularly distributed on the trolley to form a sintered ore bed, the sintered ore bed continuously runs on a closed track, the sintering machine trolley overturns at a tail curve of the machine and unloads, when the trolley moves to a head curve and is bitten by a head star wheel, the trolley turns to an upper horizontal track from the head curve, and the middle grate bar which partially droops due to gravity cannot reset, so that adverse effects can be generated on the safe running of the sintering machine, the uniformity of the thickness of a bedding layer and the protection of the grate bar. Therefore, a grate bar resetting device is arranged in front of a swinging hopper of the bottom material paving device, and the floating grate bars can be pressed back to the original position to flatten the grate bars of the trolley and then enter a bottom material paving section.
The application number is 201420230111.7's chinese utility model patent, discloses a sintering machine platform truck grid section resetting means, and this design utilizes resetting means to make the grid section reset, and packing force degree is not adjustable, and this needs resetting means to possess certain weight.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the sintering machine trolley grate bar resetting device which is simple in structure, light in weight and adjustable in pressing force.
The purpose of the invention is realized by the following technical scheme:
the invention discloses a sintering machine trolley grate bar resetting device, which comprises a left support frame, a right support frame and a compression roller, wherein the upper ends of the left support frame and the right support frame are symmetrically connected to a main beam above a sintering machine trolley, and the resetting device is characterized in that: the lower ends of the left support frame and the right support frame are respectively connected with a left lower sliding frame and a right lower sliding frame in a rolling way, a telescopic mechanism is arranged between the left support frame and the left lower sliding frame, a telescopic mechanism with the same structure is also arranged between the right support frame and the right lower sliding frame,
the left support frame is composed of a slideway support frame with a groove-shaped steel structure and a hollow square steel structure slideway frame body connected with the lower part of the support frame, nut fixing plates and spring limiting plates are arranged in the slideway support frame with the groove-shaped steel structure at intervals from top to bottom, the hollow square steel structure slideway frame body is a peripheral vertical plate composed of a front vertical plate, a rear vertical plate, a left vertical plate and a right vertical plate, roller grooves are respectively arranged on the inner sides of the peripheral vertical plates, a roller and a roller stop plate are arranged on the front vertical plate, a pressure spring guide pipe middle hole is arranged in the center of the spring limiting plate, a stud center hole is arranged on the nut fixing plate, the right support frame and the left support frame are same in structure and are symmetrically arranged, and a connecting rod A is connected between the two hollow square steel structure slideway frame bodies;
the left lower sliding frame comprises a frame body with a wedge-shaped groove steel structure at the lower part, the upper part is a hollow rectangular steel structure slide rail support which is smaller than the hollow rectangular steel structure slide rail frame body, a guide pipe fixing plate is arranged at the upper part of the hollow rectangular steel structure slide rail support, a center hole is formed in the middle of the guide pipe fixing plate, a hollow pressure spring guide pipe is concentrically arranged at the upper part of the hollow rectangular steel structure slide rail support, the upper end of the hollow pressure spring guide pipe penetrates through a middle hole of a spring limiting plate and is arranged above the spring limiting plate, the lower end of the hollow pressure spring guide pipe is fixedly connected with the upper end of the guide pipe fixing plate, a connecting rod fixing hole is formed in the frame body with the wedge-shaped groove steel structure at the lower part, and the hollow rectangular steel structure slide rail support is inserted into the hollow rectangular steel structure slide rail frame body and is in rolling connection with the hollow rectangular steel structure slide rail frame body; the right lower sliding frame and the left lower sliding frame have the same structure and are arranged in a mirror image manner;
the telescopic mechanism comprises a self-locking nut, a bolt group, a stud, a spring thrust plate and a pressure spring, wherein the spring thrust plate is arranged in the hollow rectangular steel structure slideway support and at the lower part of a guide pipe fixing plate;
the lower part of left side lower sliding rack and right lower sliding rack be connected with connecting rod B between the support body that the wedge-shaped groove steel construction, the lower tip roll connection of compression roller and left lower sliding rack and right lower sliding rack.
As a further optimization of the invention, the two ends of the compression roller are provided with the roller shafts, and the outer ends of the roller shafts are respectively fixed at the lower ends of the left lower sliding frame and the right lower sliding frame through the spherical outer ball bearings with the square seats.
The sintering machine trolley grate bar resetting device of the invention is characterized in that:
the pressing force is provided for the pressing roller through the pressure spring, the weight of the device is not depended on, and the adjustability of the initial position, the compression stroke and the pressing force of the pressing roller is realized through the screw bolt screwing in and the setting of the pressure spring.
The invention has simple structure, light weight and convenient installation.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of fig. 1A-a.
Fig. 3 is a schematic structural view of the slideway support of the present invention.
Fig. 4 is a schematic view of the sliding rack of the present invention.
Detailed Description
The following further describes the embodiments of the invention with reference to the drawings.
As shown in fig. 1-4, the sintering machine trolley grate bar resetting device of the invention comprises a left support frame 3, a right support frame 2 and a compression roller 8, wherein the upper ends of the left support frame 3 and the right support frame 2 are symmetrically connected to a main beam 1 above a sintering machine trolley, and the device is characterized in that: the lower ends of the left support frame 3 and the right support frame 2 are respectively connected with a left lower sliding frame 4 and a right lower sliding frame 5 in a rolling way, a telescopic mechanism 9 is arranged between the left support frame 3 and the left lower sliding frame 4, a telescopic mechanism 9 with the same structure is also arranged between the right support frame 2 and the right lower sliding frame 4,
the left support frame 3 consists of a slideway support frame with a groove-shaped steel structure and a hollow square steel structure slideway frame body 3.3 connected with the lower part of the support frame, nut fixing plates 3.1 and spring limiting plates 3.2 are arranged in the slideway support frame with the groove-shaped steel structure at intervals from top to bottom, the hollow square steel structure slideway frame body 3.3 is a peripheral vertical plate consisting of a front vertical plate, a rear vertical plate, a left vertical plate and a right vertical plate, the inner sides of the peripheral vertical plate are respectively provided with a roller groove 3.3.1, the front vertical plate is provided with a roller 3.3.2 and a roller stopper plate 3.3.3, the center of the spring limiting plate 3.2 is provided with a pressure spring guide pipe middle hole, the nut fixing plate 3.1 is provided with a stud center hole, the right support frame 2 and the left support frame 3 are structurally identical and symmetrically arranged, and a connecting rod A6 is connected between the two hollow square steel structure slideway frame bodies; it is ensured that the distance between the left support frame 3 and the left lower sliding frame 4 remains unchanged.
The left lower sliding frame 4 comprises a frame body 4.2 with a wedge-shaped groove steel structure at the lower part, a hollow rectangular steel structure slideway support 4.1 with a smaller hollow square steel structure slideway frame body 3.3 at the upper part, a guide tube fixing plate 4.3 is arranged at the upper part of the hollow rectangular steel structure slideway support 4.1, a central hole 4.5 is arranged in the middle of the guide tube fixing plate 4.3, a hollow pressure spring guide tube 4.4 is concentrically arranged at the upper part of the hollow rectangular steel structure slideway support 4.1, the upper end of the hollow pressure spring guide tube 4.4 passes through the middle hole of the spring limiting plate and is arranged above the spring limiting plate 3.2, the lower end is fixedly connected with the upper end of the guide tube fixing plate 4.3, a connecting rod fixing hole is formed in a frame body 4.2 with a wedge-shaped groove steel structure at the lower part, and the hollow rectangular steel structure slide rail support 4.1 is inserted into the hollow square steel structure slide rail frame body 3.3 and is in rolling connection with the hollow square steel structure slide rail frame body 3.3; the right lower sliding frame 5 and the left lower sliding frame 4 have the same structure and are arranged in a mirror image way,
the telescopic mechanism 9 comprises a self-locking nut 9.1, a bolt group 9.2, a stud 9.3, a spring thrust plate 9.5 and a pressure spring 9.4, wherein the spring thrust plate 9.5 is arranged in the hollow rectangular steel structure slideway support 4.1 and at the lower part of the guide pipe fixing plate 4.3, the stud 9.3 is concentrically sleeved in the hollow pressure spring guide pipe 4.4, the lower end of the stud passes through a central hole 4.5 of the guide pipe fixing plate 4.3 and is fixedly connected with the spring thrust plate 9.5 arranged in the hollow rectangular steel structure slideway support 4.1, the upper end of the stud passes through the central hole and is fixedly connected with the guide pipe fixing plate 3.1 through the self-locking nut 9.1 and the bolt group 9.2, the pressure spring 9.4 is sleeved on the hollow pressure spring guide pipe 4.4, the upper end of the stud is fixed at the lower part of the spring limiting plate 3.2, and the lower end of the stud is fixed at the upper part of the guide pipe fixing plate 4.3;
and a connecting rod B7 is connected between the frame bodies of the wedge-shaped groove steel structures at the lower parts of the left lower sliding frame 4 and the right lower sliding frame 5, and the pressing roller 8 is connected with the lower end parts of the left lower sliding frame 4 and the right lower sliding frame 5 in a rolling manner. The setting of connecting rod B7 makes the interval between left lower carriage 4 and the right lower carriage 5 remain unchanged, like this, can be convenient for the centering of compression roller, prevents off-centre.
The two ends of the press roll are provided with roll shafts 8.1, and the two ends of each roll shaft 8.1 are fixed at the lower ends of the left lower sliding frame 4 and the right lower sliding frame 5 through outer spherical ball bearings 8.2 with square seats. Thus, the installation and replacement of the press roller can be facilitated.
The operating principle of the sintering machine trolley grate bar resetting device is as follows:
when the bend at the head of the trolley is turned to the upper horizontal rail, the grid part of which is higher than the designed height of the surface of the grid of the trolley is contacted with the compression roller 8, the compression spring 9.4 is compressed to provide thrust for the compression roller 8 to compress the grid, the compression roller 8 rotates along with the running of the trolley passively and presses the floated grid back to the original position, and then the grid enters a bottom laying section.
In the present specification, the terms "upper", "lower", "left", "right" and "middle" are used for clarity of description only, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical contents.
Claims (2)
1. The utility model provides a sintering machine platform truck grid section resetting means, includes left branch strut and right branch strut and compression roller, left branch strut and right branch strut upper end symmetric connection on sintering machine platform truck top girder its characterized in that: the lower ends of the left support frame and the right support frame are respectively connected with a left lower sliding frame and a right lower sliding frame in a rolling way, a telescopic mechanism is arranged between the left support frame and the left lower sliding frame, a telescopic mechanism with the same structure is also arranged between the right support frame and the right lower sliding frame,
the left support frame consists of a slideway support frame with a groove-shaped steel structure and a hollow square steel structure slideway support body connected with the lower part of the slideway support frame, a nut fixing plate and a spring limiting plate are arranged in the slideway support frame with the groove-shaped steel structure at intervals from top to bottom, the hollow square steel structure slideway support body is a peripheral vertical plate consisting of a front vertical plate, a rear vertical plate, a left vertical plate and a right vertical plate, the inner sides of the peripheral vertical plates are respectively provided with a roller groove, the front vertical plate is provided with a roller and a roller stop plate, the center of the spring limiting plate is provided with a pressure spring guide pipe middle hole, the nut fixing plate is provided with a stud center hole, the right support frame and the left support frame are same in structure and are symmetrically arranged, and a connecting rod A is connected between the two hollow square steel structure slideway support bodies;
the left lower sliding frame comprises a frame body with a wedge-shaped groove steel structure at the lower part, the upper part is a hollow rectangular steel structure slide rail support which is smaller than the hollow rectangular steel structure slide rail frame body, a guide pipe fixing plate is arranged at the upper part of the hollow rectangular steel structure slide rail support, a center hole is formed in the middle of the guide pipe fixing plate, a hollow pressure spring guide pipe is concentrically arranged at the upper part of the hollow rectangular steel structure slide rail support, the upper end of the hollow pressure spring guide pipe penetrates through a middle hole of a spring limiting plate and is arranged above the spring limiting plate, the lower end of the hollow pressure spring guide pipe is fixedly connected with the upper end of the guide pipe fixing plate, a connecting rod fixing hole is formed in the frame body with the wedge-shaped groove steel structure at the lower part, and the hollow rectangular steel structure slide rail support is inserted into the hollow rectangular steel structure slide rail frame body and is in rolling connection with the hollow rectangular steel structure slide rail frame body; the right lower sliding frame and the left lower sliding frame have the same structure and are arranged in a mirror image manner;
the telescopic mechanism comprises a self-locking nut, a bolt group, a stud, a spring thrust plate and a pressure spring, wherein the spring thrust plate is arranged in the hollow rectangular steel structure slideway support and at the lower part of a guide pipe fixing plate;
the lower part of left side lower sliding rack and right lower sliding rack be connected with connecting rod B between the support body that the wedge-shaped groove steel construction, the lower tip roll connection of compression roller and left lower sliding rack and right lower sliding rack.
2. The trolley grate bar resetting device of the sintering machine as claimed in claim 1, wherein roller shafts are arranged at both ends of the compression roller, and the outer ends of the roller shafts are respectively fixed at the lower ends of the left lower sliding frame and the right lower sliding frame through spherical outer ball bearings with square seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011047790.0A CN112146442B (en) | 2020-09-29 | 2020-09-29 | Sintering machine trolley grate bar resetting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011047790.0A CN112146442B (en) | 2020-09-29 | 2020-09-29 | Sintering machine trolley grate bar resetting device |
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| Publication Number | Publication Date |
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| CN112146442A CN112146442A (en) | 2020-12-29 |
| CN112146442B true CN112146442B (en) | 2022-03-22 |
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| CN202011047790.0A Active CN112146442B (en) | 2020-09-29 | 2020-09-29 | Sintering machine trolley grate bar resetting device |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990006953U (en) * | 1997-07-30 | 1999-02-25 | 김종진 | Great Bar Calibration Device |
| KR20050025710A (en) * | 2003-09-08 | 2005-03-14 | 주식회사 포스코 | An apparatus for arraying grate bar in sintering machine |
| CN201251364Y (en) * | 2008-08-12 | 2009-06-03 | 新余钢铁股份有限公司 | Automatic resetting device for grid plate of drying grate |
| CN201764824U (en) * | 2010-08-23 | 2011-03-16 | 莱芜钢铁股份有限公司 | Adjustable sintering machine head compression roller device |
| CN102901358A (en) * | 2012-09-12 | 2013-01-30 | 宝钢不锈钢有限公司 | Compression roller device for dual-drive sintering trolley |
| CN203116513U (en) * | 2013-02-26 | 2013-08-07 | 中冶长天国际工程有限责任公司 | Offcut pressing device of sintering machine trolley |
| CN203744721U (en) * | 2014-03-24 | 2014-07-30 | 莱芜钢铁集团有限公司 | Grate strip compressing device for sintering machine and sintering machine |
| CN203908310U (en) * | 2014-05-07 | 2014-10-29 | 武汉钢铁(集团)公司 | Fire grate bar returning device of sintering pallet |
| CN105627764A (en) * | 2014-11-04 | 2016-06-01 | 周茜 | Elastic self-adaptive device used for grate cooler chain wheel |
| CN205373406U (en) * | 2016-01-09 | 2016-07-06 | 山东莱芜煤矿机械有限公司 | Sintering machine platform truck grid section flattening device |
-
2020
- 2020-09-29 CN CN202011047790.0A patent/CN112146442B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990006953U (en) * | 1997-07-30 | 1999-02-25 | 김종진 | Great Bar Calibration Device |
| KR20050025710A (en) * | 2003-09-08 | 2005-03-14 | 주식회사 포스코 | An apparatus for arraying grate bar in sintering machine |
| CN201251364Y (en) * | 2008-08-12 | 2009-06-03 | 新余钢铁股份有限公司 | Automatic resetting device for grid plate of drying grate |
| CN201764824U (en) * | 2010-08-23 | 2011-03-16 | 莱芜钢铁股份有限公司 | Adjustable sintering machine head compression roller device |
| CN102901358A (en) * | 2012-09-12 | 2013-01-30 | 宝钢不锈钢有限公司 | Compression roller device for dual-drive sintering trolley |
| CN203116513U (en) * | 2013-02-26 | 2013-08-07 | 中冶长天国际工程有限责任公司 | Offcut pressing device of sintering machine trolley |
| CN203744721U (en) * | 2014-03-24 | 2014-07-30 | 莱芜钢铁集团有限公司 | Grate strip compressing device for sintering machine and sintering machine |
| CN203908310U (en) * | 2014-05-07 | 2014-10-29 | 武汉钢铁(集团)公司 | Fire grate bar returning device of sintering pallet |
| CN105627764A (en) * | 2014-11-04 | 2016-06-01 | 周茜 | Elastic self-adaptive device used for grate cooler chain wheel |
| CN205373406U (en) * | 2016-01-09 | 2016-07-06 | 山东莱芜煤矿机械有限公司 | Sintering machine platform truck grid section flattening device |
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