CN202884386U - Furnace hearth expansion roller device - Google Patents
Furnace hearth expansion roller device Download PDFInfo
- Publication number
- CN202884386U CN202884386U CN 201220547038 CN201220547038U CN202884386U CN 202884386 U CN202884386 U CN 202884386U CN 201220547038 CN201220547038 CN 201220547038 CN 201220547038 U CN201220547038 U CN 201220547038U CN 202884386 U CN202884386 U CN 202884386U
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- roller
- collet
- furnace
- heater
- roller device
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Abstract
The utility model relates to a furnace hearth expanding roller device, in particular to a furnace hearth expanding roller device which is arranged at the bottom of a generally long heating reduction furnace so as to solve the problem of expansion and contraction of a whole furnace body. The furnace hearth expanding roller device comprises a bottom support which is arranged on a steel platform rack and is characterized in that at least one pair of roller boxes are symmetrically arranged on both sides of the furnace body, and on the bottom support along the length direction of the furnace body, and at least two rollers are arranged in each roller box, and drive the roller boxes to bear weight of the whole furnace body to slide left and right on the bottom support so as to eliminate stress of the furnace body due to the expansion and contraction effect, and effectively avoid damage of the stress on a furnace body part. The furnace hearth expanding roller device is simple, and low in construction cost.
Description
Technical field
The utility model relates to a kind of furnace bottom expansion support roller device, relates in particular to as solving the whole body of heater problem of expanding with heat and contract with cold, and installs at elongated heat reduction furnace bottom this furnace expansion support roller device is set.
Background technique
In metal plate and belt continuous hot-dipping production line, need in elongated Heating Reduction Furnace for Tungsten, heat metal plate and belt, make it to meet the requirements of technological temperature, and metal plate and belt heats in the stove district of overlength, will certainly bring the effect of expanding with heat and contract with cold of whole body of heater, and be that body of heater with whole overlength directly is placed on the steel platform frame in the prior art, when whole body of heater is heated when expanding, powerful swelling stress is delivered on each connected element of body of heater, and because the deadweight of whole body of heater super large, corresponding displacement can not occur in the body of heater that directly is seated on the steel platform frame, therefore whole swelling stress all can be born by each connected element on the body of heater, digestion, be easy to cause the fracture damage of each connected element on the body of heater, affect the use of whole Heating Reduction Furnace for Tungsten, will cause the loss of economic benefit and serious potential safety hazard.
The model utility content
For solving the problems of the technologies described above, the utility model provides a kind of furnace bottom expansion carrying roller, whole Heating Reduction Furnace for Tungsten is carried on this carrying roller, behind the oven expanded by heating, drive its bottom supporting roller and slide, be used for alleviating the problem that causes the fracture of body of heater link, damages because body of heater expands with heat and contract with cold.
For reaching above-mentioned technique effect, the furnace bottom expansion support roller device that the utility model provides is included in the collet that arranges on the steel platform frame, it is characterized in that on collet in the body of heater bilateral symmetry at least one pair of roller box being set along the body of heater length direction, two rollers are set in each roller box at least.
Preferably, the both sides of placing roller in the roller box respectively are connected and fixed a transverse slat, form encirclement with the roller box, and roller is limited in this encirclement.
This kind arranges the roller box, and the appropriate location is fixedly connected with the mode of transverse slat in the roller box, effectively the cylinder type roller is limited in specific location in the roller box, makes the rolling of roller can drive the roller box and slide at collet, substantially do not have relative displacement between roller and the roller box.And being carried on both sides, whole elongated Heating Reduction Furnace for Tungsten sets in pairs on this expansion support roller device, can be when the body of heater expanded by heating, expansive force effectively is delivered on this expansion support roller device of bottom of furnace body setting, the support roller device that makes whole body of heater drive the bottom horizontally slips at collet, in order to eliminate the effect of swelling stress.
Preferably, on each roller box both sides, be fixed on along roller box length direction two pairs of positive stop strips be set on the collet at least.
This kind is fixedly installed the mode of positive stop strip at the collet of roller box two side positions, the deviation phenomenon that occurs in order to the tilt slide that limits the roller box, make the roller box can only be on collet the horizontally slipping of level, and guarantee that the position of whole body of heater does not occur tilting above it, the phenomenon of sideslip produces.
Preferably, the position, collet two end part on steel platform frame respectively arranges a limiting stopper of holding up.
This kind arranges the mode of limiting stopper, is in order to make the roller box in the process that collet slides, to be unlikely to the larger displacement of sliding out because being used to the power effect, causing the whole body of heater of carrying on it in steel platform frame larger displacement amount to be arranged.
This kind arranges the mode of expansion carrying roller in whole oven bottom, carrying oven by the expansion carrying roller horizontally slips at collet, can effectively digest powerful expansion and shrinking stress that body of heater brings because expanding with heat and contract with cold, being unlikely to therefore, stress causes fractureing, damaging of body of heater connected element, and, at collet positive stop strip and limiting stopper are set, so that the roller box can only slide limiting good position, are unlikely to occur because of the phenomenon that inertia causes departing from or displacement is excessive.
Description of drawings
The front view of the furnace bottom expansion support roller device that Fig. 1 provides for the utility model.
The plan view of the furnace bottom expansion support roller device that Fig. 2 provides for the utility model.
Embodiment
In order to make the utility model embodiment's purpose, technological scheme and advantage are clearer, and below in conjunction with drawings and Examples, the utility model is described in more detail.At this, the utility model be used for is explained in this explanation, but not as to restriction of the present utility model.
As depicted in figs. 1 and 2, steel platform frame at whole metal continuous hot-dipping production line arranges collet 1, place roller box 2 at collet 1, be provided with roller 3 in the roller box 2, be fixedly connected with a pair of transverse slat 5 in the position on roller 3 both sides, by transverse slat 5 is set, roller 3 be limited in suitable position in this roller box 2 in roller box 3, roller 3 can only be rolled in the scope that transverse slat 5 impales in roller box 2, therefore can drive roller box 2 and horizontally slip at collet 1.On collet 1, the position of roller box 2 both sides is fixedly installed two pairs of positive stop strips 4 in pairs, just in time roller box 2 is stuck in positive stop strip 4 centres that both sides arrange, and roller box 2 can only be horizontally slipped at collet 1 along the positive stop strip direction.Same putting at collet 1 two-end part is provided with the limiting stopper 6 of holding up, and prevents because of the effect of inertia after 2 slips of roller box, in the larger distance of collet 1 slip, and causes the displacement in a big way of whole body of heater.
Specifically describe the working procedure of furnace bottom expansion carrying roller below in conjunction with Fig. 1 and Fig. 2.
At whole lower portion of furnace body along the body of heater length direction, both sides arrange the furnace bottom expansion support roller device of said structure in pairs, whole elongated heat reduction grate is placed on N such support roller device, and under each support roller device, all independently be provided with a collet 1, collet 1 is fixedly connected on the steel platform frame.When the body of heater expanded by heating, each connected element is all received the effect of swelling stress in the body of heater, the trend that makes whole body of heater have left or move right in steel platform frame, like this, body of heater will drive the roller 3 that arranges in its bottom and roll about on the collet 1, and the rolling of roller 3 can drive horizontally slipping of whole roller box 2, thereby digested the effect of swelling stress for whole body of heater, make the heat expansion stress of whole body of heater, all be delivered in the expansion support roller device of bottom of furnace body, exempt the damage of body of heater link.And owing to be provided with positive stop strip 4, so that the slip of roller box 2 is limited between two positive stop strips 4, effectively controlled inclination, the sideslip of roller box 2.Equally, position, two end part at collet 1, be provided with a pair of limiting stopper of holding up 6, when roller box 2 is carrying whole body of heater when collet slides, owing to be subject to the effect of inertia, slip will continue a process, when sliding into limit position, roller box 2 will touch limiting stopper 6, and stops to continue sliding at collet 1, thereby avoids body of heater at the expansion support roller device in a big way displacement to be arranged.Equally, when body of heater returns to from high temperature the normal temperature process, when shrinking phenomenon, make equally the expansion support roller device carry body of heater and slide at collet 1, eliminate stress, avoid fracture and the damage of furnace part.
The above only is preferably mode of execution of the utility model; should point out at this; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection domain of the present utility model.
Claims (4)
1. a furnace bottom expansion support roller device is included in the collet that arranges on the steel platform frame, it is characterized in that on collet in the body of heater bilateral symmetry at least one pair of roller box being set along the body of heater length direction, and two rollers are set in each roller box at least.
2. furnace bottom expansion support roller device according to claim 1 is characterized in that the both sides of placing roller in the roller box respectively are connected and fixed a transverse slat, forms encirclement with the roller box, and roller is limited in this encirclement.
3. furnace bottom expansion support roller device according to claim 1 is characterized in that being fixed on each roller box both sides, along roller box length direction two pairs of positive stop strips is set on the collet at least.
4. according to claim 1 or 3 described furnace bottom expansion support roller devices, it is characterized in that the position, collet two end part on steel platform frame respectively arranges a limiting stopper of holding up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220547038 CN202884386U (en) | 2012-10-24 | 2012-10-24 | Furnace hearth expansion roller device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220547038 CN202884386U (en) | 2012-10-24 | 2012-10-24 | Furnace hearth expansion roller device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202884386U true CN202884386U (en) | 2013-04-17 |
Family
ID=48075815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220547038 Expired - Fee Related CN202884386U (en) | 2012-10-24 | 2012-10-24 | Furnace hearth expansion roller device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202884386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845129A (en) * | 2019-12-13 | 2020-02-28 | 中国建材国际工程集团有限公司 | Shaft end baffle for annealing kiln and method for preventing driving roller from being broken |
-
2012
- 2012-10-24 CN CN 201220547038 patent/CN202884386U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845129A (en) * | 2019-12-13 | 2020-02-28 | 中国建材国际工程集团有限公司 | Shaft end baffle for annealing kiln and method for preventing driving roller from being broken |
| CN110845129B (en) * | 2019-12-13 | 2024-06-07 | 中国建材国际工程集团有限公司 | Shaft end baffle for annealing kiln and method for preventing driving roller from breaking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 101111, Beijing economic and Technological Development Zone, No. three, No. 109, Hai Lu, building 20 Patentee after: Beijing Jingjie Ruisi Technology Development Co, Ltd. Patentee after: Beijing Haitai Ruisen Environment Energy Technology Development Co., Ltd. Patentee after: Beijing Jiecheng Xinrui Science & Technology Co., Ltd. Address before: 100176, Beijing economic and Technological Development Zone, Garden North Street, No. 57, building 15, 2 floor Patentee before: Beijing Jingjie Ruisi Technology Development Co, Ltd. Patentee before: Beijing Haitai Ruisen Environment Energy Technology Development Co., Ltd. Patentee before: Beijing Jiecheng Xinrui Science & Technology Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Li Shaochen Document name: Notification of Passing Examination on Formalities |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20141024 |
|
| EXPY | Termination of patent right or utility model |