CN203756581U - Heat expansion guiding device of high-temperature fan - Google Patents
Heat expansion guiding device of high-temperature fan Download PDFInfo
- Publication number
- CN203756581U CN203756581U CN201420115078.3U CN201420115078U CN203756581U CN 203756581 U CN203756581 U CN 203756581U CN 201420115078 U CN201420115078 U CN 201420115078U CN 203756581 U CN203756581 U CN 203756581U
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- China
- Prior art keywords
- casing
- leg
- machine shell
- bolt
- heat expansion
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- Expired - Fee Related
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Abstract
The utility model relates to a heat expansion guiding device of a high-temperature fan. Two supporting feet A (2) are arranged on one side of a machine shell (1), two supporting feet B (3) are arranged on the other side of the machine shell (1), a main shaft assembly (13) is fixed to an overall base (12), and an air inlet (4) is formed in one side of the machine shell (1). The heat expansion guiding device is characterized in that the supporting feet A (2) and the supporting feet B (3) are movably connected with the overall base (12) through bolts, a fork frame (5) is fixed to the side, close to the main shaft assembly (13), of the machine shell (1), a supporting frame (6) is fixed to the overall base (12) through bolts (9), two guide rails (10) are arranged on the overall base (12), and a guide plate (11) is arranged in the center of the lower face of the exterior of the machine shell (1) and located between the two guide rails (10). The heat expansion guiding device is simple and reasonable in structure, low in manufacturing cost and convenient to install and use, and heat expansion of the machine shell in different directions is comprehensively considered.
Description
Technical field
The utility model relates to high-temperature blower field, is specifically related to a kind of thermal-expansion guider of the cantilever type high-temperature blower with unsplit bedplate.
Background technique
Industrial Stoves usually use high-temperature blower conveying high-temperature gas, gas temperature exceedes 300 degrees Celsius conventionally, what have has even reached 500-600 degree Celsius, and high-temperature blower adopts steel manufacture conventionally, and its Installation and Debugging are all carried out at normal temperatures, high-temperature blower enters into the process of hot work from cold conditions, high-temperature gas is by the flow passage components of high-temperature blower, must cause the temperature of the flow passage components such as high-temperature blower casing significantly to raise, the expansion coefficient that adds steel is relatively large, casing can produce larger thermal expansion displacement because of temperature rise, exist thermal distortion simultaneously, if thermal expansion displacement is not controlled, the displacement of casing thermal expansion will be created in all directions, serious, unexpected thermal expansion displacement and distortion, to cause the original fit up gap of high-temperature blower to be destroyed, the generation of the problems such as revolving part and static element generation frictional impact, cause that fan efficiency declines, the adverse consequencess such as blower fan damage, the safe operation of fan brings adverse effect.
Summary of the invention
The purpose of this utility model is to solve above-mentioned deficiency, and a kind of high-temperature blower thermal-expansion guider with unsplit bedplate is provided, and the direction of thermal expansion is controlled, and prevents the adverse effect that thermal expansion brings.
For achieving the above object, the technical solution of the utility model is: a kind of high-temperature blower thermal-expansion guider, one side of casing (1) is provided with two leg A(2), opposite side is provided with two leg B(3), spindle part (13) is fixed on unsplit bedplate (12), one side of casing (1) is provided with intake grill (4), it is characterized in that: leg A(2) and leg B(3) be flexibly connected with unsplit bedplate (12) by bolt, fork frame (5) is fixed on the upper side near spindle part (13) of casing (1), supporting frame (6) is fixed on unsplit bedplate (12) by bolt (9), unsplit bedplate (12) is provided with two guide rails (10), guide plate (11) is located at the outside center below of casing (1), and be positioned between two guide rails (10).
Described leg A(2) be provided with guiding slightness hole, the width of this guiding slightness hole and bolt are little Spielpassung, the length of guiding slightness hole is determined by the thermal expansion displacement of calculating, and leave surplus, in the time that displacement is expanded with heat and contract with cold in casing (1) generation, can drive leg A(2) slide at the upper length direction along both sides guiding slightness hole of unsplit bedplate (12).
Described leg B(3) be provided with round tube hole, this round tube hole and bolt are large Spielpassung, the diameter of round tube hole is determined by the thermal expansion displacement of calculating, and leave surplus, can drive leg B(3 when casing (1) produces while expanding with heat and contract with cold displacement) any direction on unsplit bedplate (12) slides, and the scope of slip depends on the gap between large round tube hole and bolt.
Described fork frame (5) is corresponding and highly identical with supporting frame (6) position, between fork frame (5) and supporting frame (6), is connected by screw rod (7) and nut (8).
Support frame as described above (6) is provided with slightness hole, the width of this slightness hole and screw rod (7) are little Spielpassung, the length of slightness hole is determined by the thermal expansion displacement of the short transverse of calculating, and leave surplus, when in height producing while expanding with heat and contract with cold displacement, casing (1) can drive fork frame (5), screw rod (7) and nut (8) move vertically, screw rod (7) slides up and down in the slightness hole of supporting frame (6), avoid casing (1) to produce thermal expansion displacement to the direction of spindle part (13), strengthened the middle weak part of casing simultaneously, prevent the excessive temperature distortion of the middle weak part of casing.
The beneficial effects of the utility model are: by the guiding device of thermal expansion is rationally set, thermal expansion displacement is mainly created in default direction, make the middle weak part of casing be strengthened simultaneously, prevent that casing weak part from producing excessive temperature distortion, ensured the safe operation of blower fan; The utility model is simple and reasonable, cheap for manufacturing cost, easy to install, the comprehensive thermal expansion of having considered on casing different direction.
Brief description of the drawings
Fig. 1 is the utility model plan view;
Fig. 2 is the utility model plan view A-A partial sectional view;
In figure: 1-casing; 2-leg A; 3-leg B; 4-intake grill; 5-fork frame; 6-supporting frame; 7-screw rod; 8-nut; 9-bolt; 10-guide rail; 11-guide plate; 12-unsplit bedplate; 13-spindle part.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1: see Fig. 1, 2, a kind of high-temperature blower thermal-expansion guider, one side of casing 1 is provided with two leg A 2, opposite side is provided with two leg B 3, spindle part 13 is fixed on unsplit bedplate 12, one side of casing 1 is provided with intake grill 4, it is characterized in that: leg A 2 and leg B 3 are flexibly connected with unsplit bedplate 12 by bolt, fork frame 5 is fixed on the side near spindle part 13 on casing 1, supporting frame 6 is fixed on unsplit bedplate 12 by bolt 9, unsplit bedplate 12 is provided with two guide rails 10, guide plate 11 is located at the outside center below of casing 1, and between two guide rails 10.
Described leg A 2 is provided with guiding slightness hole, the width of this guiding slightness hole and bolt are little Spielpassung, the length of guiding slightness hole is determined by the thermal expansion displacement of calculating, and leave surplus, in the time that displacement is expanded with heat and contract with cold in casing 1 generation, can drive leg A 2 to slide along the length direction of both sides guiding slightness hole on unsplit bedplate 12.
Described leg B 3 is provided with round tube hole, this round tube hole and bolt are large Spielpassung, the diameter of round tube hole is determined by the thermal expansion displacement of calculating, and leave surplus, in the time that displacement is expanded with heat and contract with cold in casing 1 generation, can drive any direction of leg B 3 on unsplit bedplate 12 to slide, the scope of slip depends on the gap between large round tube hole and bolt.
Described fork frame 5 is corresponding and highly identical with supporting frame 6 positions, between fork frame 5 and supporting frame 6, is connected by screw rod 7 and nut 8.
Support frame as described above 6 is provided with slightness hole, the width of this slightness hole and screw rod 7 are little Spielpassung, the length of slightness hole is determined by the thermal expansion displacement of the short transverse of calculating, and leave surplus, when in height producing while expanding with heat and contract with cold displacement, casing 1 can drive fork frame 5, screw rod 7 and nut 8 to move vertically, 7 of screw rods slide up and down in the slightness hole of supporting frame 6, avoid casing 1 to produce thermal expansion displacement to the direction of spindle part 13, strengthen the middle weak part of casing simultaneously, prevented the excessive temperature distortion of the middle weak part of casing.
Two guide rails 10 block guide plate 11, between guide rail 10 and guide plate 11, there is less gap, the center that prevents casing 1 produces excessive deflection, make casing mainly along axial direction, a side to intake grill 4 produces thermal expansion displacement, casing 1 is still unrestricted in the thermal expansion displacement of short transverse, utilizes the displacement of expansion joint absorbing thermal expansion and the part distortion of intake grill outside.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a high-temperature blower thermal-expansion guider, one side of casing (1) is provided with two leg A(2), opposite side is provided with two leg B(3), spindle part (13) is fixed on unsplit bedplate (12), one side of casing (1) is provided with intake grill (4), it is characterized in that: leg A(2) and leg B(3) be flexibly connected with unsplit bedplate (12) by bolt, fork frame (5) is fixed on the upper side near spindle part (13) of casing (1), supporting frame (6) is fixed on unsplit bedplate (12) by bolt (9), unsplit bedplate (12) is provided with two guide rails (10), guide plate (11) is located at the outside center below of casing (1), and be positioned between two guide rails (10).
2. a kind of high-temperature blower thermal-expansion guider as claimed in claim 1, is characterized in that: described leg A(2) be provided with guiding slightness hole, this slightness hole and bolt are little Spielpassung.
3. a kind of high-temperature blower thermal-expansion guider as claimed in claim 1, is characterized in that: described leg B(3) be provided with round tube hole, this round tube hole and bolt are large Spielpassung.
4. a kind of high-temperature blower thermal-expansion guider as claimed in claim 1, it is characterized in that: described fork frame (5) is corresponding and highly identical with supporting frame (6) position, between fork frame (5) and supporting frame (6), be connected by screw rod (7) and nut (8).
5. a kind of high-temperature blower thermal-expansion guider as claimed in claim 4, is characterized in that: support frame as described above (6) is provided with slightness hole, this slightness hole and screw rod (7) are little Spielpassung.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420115078.3U CN203756581U (en) | 2014-03-14 | 2014-03-14 | Heat expansion guiding device of high-temperature fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420115078.3U CN203756581U (en) | 2014-03-14 | 2014-03-14 | Heat expansion guiding device of high-temperature fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203756581U true CN203756581U (en) | 2014-08-06 |
Family
ID=51251863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420115078.3U Expired - Fee Related CN203756581U (en) | 2014-03-14 | 2014-03-14 | Heat expansion guiding device of high-temperature fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203756581U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003457A (en) * | 2015-05-29 | 2015-10-28 | 中国三冶集团有限公司宁波分公司 | Large fan casing thermal expansion orientation control device and control method thereof |
| CN112628246A (en) * | 2020-11-10 | 2021-04-09 | 北京动力机械研究所 | Elastic connection structure suitable for structure thermal matching |
-
2014
- 2014-03-14 CN CN201420115078.3U patent/CN203756581U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003457A (en) * | 2015-05-29 | 2015-10-28 | 中国三冶集团有限公司宁波分公司 | Large fan casing thermal expansion orientation control device and control method thereof |
| CN105003457B (en) * | 2015-05-29 | 2017-04-12 | 中国三冶集团有限公司宁波分公司 | Large fan casing thermal expansion orientation control device and control method thereof |
| CN112628246A (en) * | 2020-11-10 | 2021-04-09 | 北京动力机械研究所 | Elastic connection structure suitable for structure thermal matching |
| CN112628246B (en) * | 2020-11-10 | 2022-04-19 | 北京动力机械研究所 | Elastic connection structure suitable for structure thermal matching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20210314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |