CN115853982A - Power transmission mechanism of air cooling island wind screen device - Google Patents
Power transmission mechanism of air cooling island wind screen device Download PDFInfo
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- CN115853982A CN115853982A CN202211581804.6A CN202211581804A CN115853982A CN 115853982 A CN115853982 A CN 115853982A CN 202211581804 A CN202211581804 A CN 202211581804A CN 115853982 A CN115853982 A CN 115853982A
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- support
- air cooling
- wire rope
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- 238000001816 cooling Methods 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 230000000670 limiting effect Effects 0.000 claims abstract description 34
- 238000004804 winding Methods 0.000 claims abstract description 31
- 238000007710 freezing Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 26
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a power transmission mechanism of an air cooling island wind shield device, and belongs to the technical field of anti-freezing auxiliary equipment of an air cooling island of a power plant. The automatic bearing adjusting device comprises a support, wherein two adjusting bearings are fixedly arranged on two outer sides of the support, a bearing hole is formed in the support, a driven shaft penetrates through the bearing hole, two ends of the driven shaft are connected with the two adjusting bearings, a limiting wheel is arranged on a limiting wheel shaft, the limiting wheel shaft is arranged on the support, a blocking rod is arranged on the upper portion of the limiting wheel shaft, two ends of the blocking rod are connected with the support, a driving shaft horizontally penetrates through the support, two ends of the driving shaft are fixed on the two outer sides of the support through bearings, and a winding wheel is arranged on the part, located on the middle of the inner side of the support, of the driving shaft. And the winding wheel is wound with a steel wire rope, and the steel wire rope is wound and connected with the driven shaft. The invention realizes the function that the tension force of the steel wire rope on the transmission device can be adjusted, thereby increasing the friction force of the steel wire rope on the winding wheel and the driven shaft, and avoids the risk of cross racking caused by the axial movement of the steel wire rope on the roller.
Description
Technical Field
The invention relates to the technical field of anti-freezing auxiliary equipment of an air cooling island of a power plant, in particular to a power transmission mechanism of a wind screen device of the air cooling island.
Background
The air cooling island is also called an air cooling system, the north coal-fired power plant adopts the air cooling system which is an effective measure for solving the contradiction of rich coal and poor water, and the direct air cooling is an air cooling unit which takes the ambient air as the main medium for exhausting the steam turbine. Therefore, the environmental change can significantly affect the operation characteristics of the direct air-cooling system, and especially under the low-load operation in winter, the change of the environmental temperature can have great influence on the operation of the air-cooling unit. The low temperature easily causes the direct air cooling unit in the air cooling island and can take place the accident such as large tracts of land freezing, damage at start-up, shut down in-process air cooling condenser to cause whole cooling system unable operation, cause very big influence to the power generation of power plant. The air cooling island wind-proof curtain is a wind-proof anti-freezing device arranged at the air inlet of the air cooling island, the motor drives the transmission mechanism to drive the steel wire rope to run, and the wind-proof curtain is automatically opened and closed under the drive of the steel wire rope, so that the aim of preventing the air cooling island from freezing is fulfilled. The power transmission mechanism of the wind screen is an important component of the anti-freezing device.
When the existing air cooling island wind screen steel wire rope is transmitted on a roller, the friction force is reduced and slipped due to the looseness of the steel wire rope, so that the transmission cannot be realized. And the driving shafts on most air cooling island wind-shield curtain devices at present can not orderly smooth out and regulate the steel wire ropes, so that the phenomenon of cross knotting of the steel wire ropes occurs. Greatly reducing the working efficiency and consuming the investment cost.
Disclosure of Invention
The invention aims to provide a power transmission mechanism of an air cooling island wind screen device, which is used for solving the problems that the friction force is reduced due to the looseness of a steel wire rope, the steel wire rope cannot be transmitted due to the slipping of the steel wire rope and the steel wire rope is crossed and knotted.
In order to achieve the purpose, the power transmission mechanism of the air cooling island wind screen device comprises a support, two adjusting bearings are fixedly mounted on two outer sides of the support, bearing holes are formed in the support, a driven shaft penetrates through the bearing holes, two ends of the driven shaft are connected with the two adjusting bearings, a limiting wheel is arranged on a limiting wheel shaft, a stop rod is arranged on the upper portion of the limiting wheel shaft, two ends of the stop rod are connected with the support, the driving shaft horizontally penetrates through the support, two ends of the driving shaft are fixed on the two outer sides of the support through bearings, a winding wheel is arranged on the middle portion of the inner side of the support and is provided with a steel wire rope, and the steel wire rope is connected with the driven shaft in a winding mode.
Preferably, be provided with branch, spring, front end nut and bearing piece on the adjustment bearing, branch with the bearing piece sets up the inside of adjustment bearing, the bearing piece with the one end of branch is connected, the other end of branch runs through the front end of adjustment bearing, the front end nut the spring card is established the outside of adjustment bearing front end.
Preferably, the support rod is provided with threads, and the front end nut and the spring are sleeved on the support rod.
Preferably, a sliding groove is formed in the adjusting bearing and is of a hollow structure, and the bearing block is in sliding connection with the sliding groove.
Preferably, the winding wheel is provided with a plurality of limiting grooves which are arranged in parallel at equal intervals.
Preferably, a limiting wheel retainer ring is clamped between the limiting wheel and the limiting wheel shaft.
Preferably, the support is of a double-layer structure, and a horizontal support plate is arranged in the middle of the support.
Therefore, the power transmission mechanism of the air cooling island wind screen device with the structure solves the problem that the steel wire rope is tensioned along with the adjustment of the driven shaft at the transmission mechanism, and avoids the defect that the friction force on the wheel is reduced and the transmission effect is influenced because the steel wire rope is loosened in the transmission process. The function that the tension force of the steel wire rope can be adjusted on the transmission device is achieved, so that the friction force of the steel wire rope on the winding wheel and the driven shaft is increased, and the risk that the steel wire rope moves axially on the roller and is prone to cross racking is avoided.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a power transmission mechanism of an air cooling island wind shield device according to the present invention;
FIG. 2 is a front view of an embodiment of the power transmission mechanism of an air cooling island wind shield apparatus of the present invention;
FIG. 3 is a top view of an embodiment of the power transmission mechanism of an air cooling island wind shield apparatus of the present invention;
FIG. 4 is a side view of an embodiment of the power transmission mechanism of an air cooling island wind shield apparatus of the present invention;
FIG. 5 is a schematic diagram illustrating a wire rope winding manner of an embodiment of a power transmission mechanism of a wind screen device of an air cooling island according to the present invention;
the device comprises a reference numeral 1, a support, 2, a limiting wheel, 3, a limiting wheel shaft, 4, a stop lever, 5, a driven shaft, 6, a winding wheel, 7, a bearing, 8, a driving shaft, 9, an adjusting bearing, 10, a limiting wheel retainer ring, 11, a steel wire rope, 12, a bearing block, 13, a support rod, 14, a sliding groove, 15, a spring, 16, a front end nut, 17 and a horizontal support plate.
Detailed Description
Examples
A power transmission mechanism of an air cooling island wind-blocking curtain device comprises a support 1, two adjusting bearings 9 are fixedly mounted on two outer sides of the support 1, a bearing hole is formed in the support 1, a driven shaft 5 penetrates through the bearing hole, two ends of the driven shaft are connected with the two adjusting bearings 9, a limiting wheel 2 is arranged on a limiting wheel shaft 3, the limiting wheel shaft 3 is arranged on the support 1, a blocking rod 4 is arranged on the upper portion of the limiting wheel shaft 3, two ends of the blocking rod 4 are connected with the support 1, the upper portion of the support 1 is supported, and meanwhile a limiting effect is achieved. The driving shaft 8 horizontally penetrates through the support 1, two ends of the driving shaft 8 are fixed on two outer sides of the support 1 through bearings 7, and the driving shaft 8 is located on the middle part of the inner side of the support 1 and is provided with a winding wheel 6. And a steel wire rope 11 is wound on the winding wheel 6, and the steel wire rope 11 is wound and connected with the driven shaft 5. The adjusting bearing 9 comprises a supporting rod 13, a spring 15, a front end nut 16 and a bearing block 12, the supporting rod 13 and the bearing block 12 are arranged inside the adjusting bearing 9, the bearing block 9 is connected with one end of the supporting rod 1, the other end of the supporting rod 1 penetrates through the front end of the adjusting bearing 9, the front end nut 16 and the spring 15 are clamped outside the front end of the adjusting bearing 9, and the moving amount of the driven shaft 5 is achieved by operating the front end nut 16. The supporting rod 1 is provided with threads, and the front end nut 16 and the spring 15 are sleeved on the supporting rod 1. The adjusting bearing 9 is provided with a sliding groove 14, the sliding groove 14 is of a hollow structure, the device is convenient to install and operate, and the bearing block 12 is in sliding connection with the sliding groove 14. The winding wheel 6 is provided with a plurality of limiting grooves which are arranged in parallel at equal intervals, and the design is to prevent the problem that the steel wire rope of the winding wheel 6 is crossed and knotted when winding. The support 1 is of a double-layer structure, the middle part of the support 1 is provided with a horizontal support plate 17, and the supporting force of two side plates of the support is enhanced, so that the whole support is firmer.
And (3) winding a steel wire rope: a retainer ring groove is formed in a limiting wheel shaft 3 on the side face of a limiting wheel 2, and an upper limiting wheel retainer ring 10 is installed, so that the design is to prevent the service life of a steel wire rope 11 from being influenced by friction caused by the fact that the tail end of the steel wire rope 11 entering a winding wheel 6 is too close to the steel wire rope 11 of the limiting wheel 2 exiting the winding wheel 6. As shown in fig. 1, a front nut 16 in the bearing 9 is adjusted by rotating a wrench, and the driven shaft 5 can move forward and be adjusted along with the compression of the spring 15, the adjustment amount is the movement amount of the bearing block 12 on the bearing 9, and the steel wire rope 11 can be tensioned along with the forward movement of the driven shaft 5, so that the friction force between the steel wire rope 11 and the winding wheel 6 and the driven shaft 5 is increased, and the steel wire rope 11 is prevented from slipping on the winding wheel 6 and the driven shaft 5 to influence the opening and closing effect of the windshield curtain.
The invention has simple structure, easy installation and convenient use. Wherein wire rope twines on winding wheel and driven shaft, and the winding wheel is the action wheel, and the last spacing groove of winding wheel, spacing groove can separate winding wire rope, and winding wire rope on the driven shaft can not appear alternately the risk of putting up owing to the winding of the partition of action wheel spacing groove on the driven shaft yet, and the last spacing groove of winding wheel has increaseed the frictional force when wire rope twines. The adjusting bearings on the two sides of the device can move and adjust the driven shaft, so that the tightness of the steel wire rope during winding is adjusted, the friction force of the steel wire rope on the winding wheel and the driven shaft is increased, and the transmission effect of the steel wire rope is improved.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the disclosed embodiments without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a power transmission mechanism of air cooling island wind-shield curtain device which characterized in that: the automatic adjusting device comprises a support, wherein two adjusting bearings are fixedly mounted on two outer sides of the support, a bearing hole is formed in the support, a driven shaft penetrates through the bearing hole, two ends of the driven shaft are connected with the two adjusting bearings, a limiting wheel is arranged on a limiting wheel shaft, the limiting wheel shaft is arranged on the support, a stop rod is arranged on the upper portion of the limiting wheel shaft, two ends of the stop rod are connected with the support, a driving shaft horizontally penetrates through the support, two ends of the driving shaft are fixed to the two outer sides of the support through bearings, the driving shaft is located on the middle position of the inner side of the support and is provided with a winding wheel, a steel wire rope is wound on the winding wheel, and the steel wire rope is wound and connected with the driven shaft.
2. The power transmission mechanism of an air cooling island wind screen device according to claim 1, characterized in that: the adjusting bearing is provided with a supporting rod, a spring, a front end nut and a bearing block, the supporting rod and the bearing block are arranged inside the adjusting bearing, the bearing block is connected with one end of the supporting rod, the other end of the supporting rod penetrates through the front end of the adjusting bearing, and the front end nut and the spring are clamped outside the front end of the adjusting bearing.
3. The power transmission mechanism of an air cooling island wind screen device according to claim 2, characterized in that: the supporting rod is provided with threads, and the front end nut and the spring are sleeved on the supporting rod.
4. The power transmission mechanism of the air cooling island wind screen device according to claim 2, characterized in that: the adjusting bearing is provided with a sliding groove which is of a hollow structure, and the bearing block is in sliding connection with the sliding groove.
5. The power transmission mechanism of an air cooling island wind screen device according to claim 1, characterized in that: the winding wheel is provided with a plurality of limiting grooves which are arranged in parallel at equal intervals.
6. The power transmission mechanism of an air cooling island wind screen device according to claim 1, characterized in that: and a limiting wheel retainer ring is clamped between the limiting wheel and the limiting wheel shaft.
7. The power transmission mechanism of an air cooling island wind screen device according to claim 1, characterized in that: the support is of a double-layer structure, and a horizontal support plate is arranged in the middle of the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211581804.6A CN115853982A (en) | 2022-12-07 | 2022-12-07 | Power transmission mechanism of air cooling island wind screen device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211581804.6A CN115853982A (en) | 2022-12-07 | 2022-12-07 | Power transmission mechanism of air cooling island wind screen device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115853982A true CN115853982A (en) | 2023-03-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211581804.6A Pending CN115853982A (en) | 2022-12-07 | 2022-12-07 | Power transmission mechanism of air cooling island wind screen device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115853982A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2389255Y (en) * | 1999-09-17 | 2000-07-26 | 张文成 | No-displacement no slide rotation steel cable gearing device |
| CN1995777A (en) * | 2006-12-14 | 2007-07-11 | 上海交通大学 | Wire cable transmission mechanism for use in mechanical arm |
| CN101214663A (en) * | 2008-01-10 | 2008-07-09 | 上海交通大学 | Flexible controllable mechanism for mechanical arm |
| CN102452076A (en) * | 2010-11-02 | 2012-05-16 | 曹晶晶 | Wire rope drive mechanism |
| CN104948688A (en) * | 2015-06-23 | 2015-09-30 | 中国航天建设集团有限公司 | Single power two-way moving traction transmission system |
| CN206092837U (en) * | 2016-08-26 | 2017-04-12 | 天津市永昌焊丝有限公司 | Regulating spindle device |
| CN210557492U (en) * | 2019-07-31 | 2020-05-19 | 武汉潇瑞机械设备有限公司 | Torsion arm head frame of return tractor |
| CN111173903A (en) * | 2018-11-13 | 2020-05-19 | 重庆金山医疗机器人有限公司 | Steel rope driving wheel, steel rope tensioning device and steel rope tensioning method |
-
2022
- 2022-12-07 CN CN202211581804.6A patent/CN115853982A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2389255Y (en) * | 1999-09-17 | 2000-07-26 | 张文成 | No-displacement no slide rotation steel cable gearing device |
| CN1995777A (en) * | 2006-12-14 | 2007-07-11 | 上海交通大学 | Wire cable transmission mechanism for use in mechanical arm |
| CN101214663A (en) * | 2008-01-10 | 2008-07-09 | 上海交通大学 | Flexible controllable mechanism for mechanical arm |
| CN102452076A (en) * | 2010-11-02 | 2012-05-16 | 曹晶晶 | Wire rope drive mechanism |
| CN104948688A (en) * | 2015-06-23 | 2015-09-30 | 中国航天建设集团有限公司 | Single power two-way moving traction transmission system |
| CN206092837U (en) * | 2016-08-26 | 2017-04-12 | 天津市永昌焊丝有限公司 | Regulating spindle device |
| CN111173903A (en) * | 2018-11-13 | 2020-05-19 | 重庆金山医疗机器人有限公司 | Steel rope driving wheel, steel rope tensioning device and steel rope tensioning method |
| CN210557492U (en) * | 2019-07-31 | 2020-05-19 | 武汉潇瑞机械设备有限公司 | Torsion arm head frame of return tractor |
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