CN205043402U - A instrument that is used for fan apex detent box to maintain - Google Patents
A instrument that is used for fan apex detent box to maintain Download PDFInfo
- Publication number
- CN205043402U CN205043402U CN201520804692.5U CN201520804692U CN205043402U CN 205043402 U CN205043402 U CN 205043402U CN 201520804692 U CN201520804692 U CN 201520804692U CN 205043402 U CN205043402 U CN 205043402U
- Authority
- CN
- China
- Prior art keywords
- arm
- force
- blower fan
- hole
- blade tip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an instrument that is used for fan apex detent box to maintain, include that the intermediate junction spare and the impeller of two arm of force spares are connected to a pair of arm of force spare, the one end of arm of force spare is equipped with the installation department, the inner wall fixed connection of installation department and fan apex detent box, and intermediate junction spare is connected with the intermediate position of two arm of force spares, and forms the fulcrum of two arm of force spares in the junction, and the one end of keeping away from the installation department at two arm of force spares is installed to the impeller, this interval of holding two arm of force spares of impeller expansion, thus the interval of two arm of force spare installation department one end is reduced according to lever principle. The utility model discloses utilized lever principle, tensile effect through arm of force spare retracts the normal position with the fracture position of detent box, carries out welded fastening again, accomplishes the repair, and it is simple to have an installation, low in manufacturing cost, advantage that repair duration is short, effectual.
Description
Technical field
The utility model relates to a kind of maintenance tool of wind-driven generator, especially a kind of instrument for the maintenance of blower fan blade tip detent box.
Background technology
Existing fixed pitch blower fan is because of the needs of brake system hollow pneumatic brake (getting rid of blade tip), and after blade tip actuation time is longer, detent box cracking can occur, and blade tip can not be regained completely, causes the decline that blower fan is exerted oneself.And during existing blade tip detent box maintenance, need with electric drill, detent box to be punched, then correct with screw rod etc., after detent box cracking scope is comparatively large, detent box cannot effectively be corrected by this type of maintenance mode.If detent box can not be corrected back original position, then likely cause blower fan to continue the decline (than general blower fan decline about 15-20%) causing because blade tip can not regain completely exerting oneself, this can cause very large loss to electricity power enterprise.
Given this utility model is proposed.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of structure simple, cheap for manufacturing cost, easy to use, for the instrument of blower fan blade tip detent box maintenance.
In order to realize this object, the utility model adopts following technical scheme: a kind of instrument for the maintenance of blower fan blade tip detent box, comprises, a pair arm of force part, connect intermediate connector and the impeller of two arm of force parts; One end of described arm of force part is provided with installation portion, and described installation portion is fixedly connected with the inwall of blower fan blade tip detent box; Described intermediate connector is connected with the centre position of two arm of force parts, and forms the fulcrum of two arm of force parts in junction; Described impeller is arranged on two arm of force parts one end away from installation portion, and impeller, for expanding the spacing of this end two arm of force part, reduces the spacing of two arm of force part installation portion one end according to lever principle.
Further, described installation portion comprises, and is fixed on the retaining thread bar on blower fan blade tip detent box inwall, is arranged on the installing hole that arm of force part end is passed for retaining thread bar, and by nut that retaining thread bar is connected with arm of force part.
Further, the centre of described arm of force part is provided with the first through hole, and the one end away from installation portion is provided with the second through hole, and the two ends of described intermediate connector are connected with the first through hole, and the two ends of described impeller are connected with the second through hole.
Further, described intermediate connector comprises, connecting bolt and stop nut, and the two ends of described connecting bolt pass perpendicularly through the first through hole on arm of force part, and at the two ends of connecting bolt, the outside of the first through hole is provided with described stop nut.
Further, described impeller is jackscrew bolt, comprises, and two ends are passed the threaded rod of the second through hole and are arranged on the nut inside the second through hole with shaft.
Further, described arm of force part is L shape, and comprise a galianconism and long-armed, it is inner that described galianconism is fitted in blower fan blade tip detent box, and the inwall of described long-armed one end and blower fan blade tip detent box is fitted, and the other end extends to the outside of blower fan blade tip detent box; Described installing hole, the first through hole and the second through hole be arranged on long-armed on, and linearly to distribute.
After adopting technical scheme described in the utility model, bring following beneficial effect:
The utility model utilizes lever principle, by the stretching action of arm of force part, the cracking position of detent box is retracted original position, then is welded and fixed, complete repair, has and installs simply, low cost of manufacture, the advantage that repair time is short, effective.
Accompanying drawing explanation
Fig. 1: structure sectional view of the present utility model;
Fig. 2: be the A direction view of arm of force part in Fig. 1;
Wherein: 1, blower fan blade tip detent box 2, arm of force part 3, intermediate connector 4, impeller 5, installation portion 10, installing hole 11, first through hole 12, second through hole 21, galianconism 22, long-armed 31, connecting bolt 32, stop nut 41, jackscrew bolt 51, retaining thread bar 52, nut.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
As shown in Figure 1, a kind of instrument for the maintenance of blower fan blade tip detent box, comprises, can stretch to the arm of force part 2 in blower fan blade tip detent box 1 for a pair, connect intermediate connector 3 and the impeller 4 of two arm of force parts 2.Described arm of force part 2 is L shape, be made up of a galianconism 21 and long-armed 22, galianconism 21 and long-armed 22 mutual vertical settings, both junctions are fitted in the cracking place of blower fan blade tip detent box 1, galianconism 21 is made to be fitted in blower fan blade tip detent box 1 inner, the inwall of long-armed 22 one end and blower fan blade tip detent box 1 is fitted, and the other end extend out to outside blower fan blade tip detent box 1.The thickness of arm of force part 2 is preferably not less than 10mm, to bear enough bending stresses.The one end being positioned at blower fan blade tip detent box 1 inside at arm of force part 2 is provided with installation portion 5, and this installation portion 5 is fixedly connected with the inwall of blower fan blade tip detent box 1, and arm of force part 2 and inboard wall of cartridge are tightly fitted.The centre position of two arm of force parts 2 is vertically installed with intermediate connector 3, and the two ends of intermediate connector 3 through arm of force part 2, and form the fulcrum of two arm of force parts 2 in junction, form a pair lever construction.Described impeller 4 is arranged on two arm of force parts 2 one end away from installation portion 5, and two arm of force parts 2 can be promoted around fulcrum, when impeller 4 promotes one end counter motion of two arm of force parts 2, according to lever principle, move toward one another is produced pulling force by the other end, under the effect of this pulling force, the cracking place of box body is pulled original position, just repairs it by welding.
Described installation portion 5 comprises, be fixed on the retaining thread bar 51 on blower fan blade tip detent box 1 inwall, be arranged on the installing hole 10 that arm of force part 2 end is passed for retaining thread bar 51, and by nut that retaining thread bar 51 is connected with arm of force part 2, preferably, one end of retaining thread bar 51 is welded on the inwall of blower fan blade tip detent box 1, installing hole 10 on arm of force part 2 is enclosed within after on retaining thread bar 51, nut be mounted to retaining thread bar 51 and tighten, arm-piece of exerting all one's strength 2 and blower fan blade tip detent box 1 inwall are tightly fitted, and are formed and firmly connect.When arm of force part 2 moves, blower fan blade tip detent box 1 inwall is just driven together to move.
As shown in Figure 2, preferably, installing hole 10 has multiple, and is evenly arranged in long-armed 22 one end be connected with galianconism 21, when the position peace of retaining thread bar 51 is inclined, the installing hole 10 of diverse location can be selected to be mated, ensure that two arm of force parts 2 align all the time.
The described centre position of long-armed 22 is provided with the first through hole 11, and the one end away from installation portion 5 is provided with the second through hole 12, and the two ends of described intermediate connector 3 are connected with the first through hole 11, and the two ends of described impeller 4 are connected with the second through hole 12.Described intermediate connector 3 comprises, connecting bolt 31 and stop nut 32, the two ends of connecting bolt 31 pass perpendicularly through the first through hole 11 on arm of force part 2, and at the two ends of connecting bolt 31, the outside of the first through hole 11 is provided with stop nut 32, the size of described stop nut 32 is greater than the first through hole 11, makes arm of force part 2 be limited between two nuts, forms the fulcrum that support force arm-piece 2 is rotated.Described impeller 4 is jackscrew bolt 41, comprises, and two ends are passed the threaded rod of the second through hole 12 and are arranged on the nut inside the second through hole with shaft.
Preferably, described first through hole 11 and the second through hole 12 are multiple, and corresponding with installing hole 10, and three is distributed on the same line.
As in Fig. 1, arrow is depicted as stressed schematic diagram, the course of work of the present utility model is: after being fixedly connected with blower fan blade tip detent box 1 by arm of force part 2, regulate jackscrew bolt 41, make it outwards promote two arm of force part 2, two arm of force parts 2 with spacing spiral shell 32 mother for fulcrum rotates, the other end inwardly moves, produce pulling force, the blower fan blade tip detent box 1 of cracking is retracted original position again, after welding, complete reparation.
Claims (6)
1., for an instrument for blower fan blade tip detent box maintenance, it is characterized in that: comprise, a pair arm of force part (2), connect intermediate connector (3) and the impeller (4) of two arm of force parts (2); One end of described arm of force part (2) is provided with installation portion (5), and described installation portion (5) is fixedly connected with the inwall of blower fan blade tip detent box (1); Described intermediate connector (3) is connected with the centre position of two arm of force parts (2), and forms the fulcrum of two arm of force parts (2) in junction; Described impeller (4) is arranged on two arm of force parts (2) one end away from installation portion (5).
2. a kind of instrument for the maintenance of blower fan blade tip detent box according to claim 1, it is characterized in that: described installation portion (5) comprises, be fixed on the retaining thread bar (51) on blower fan blade tip detent box (1) inwall, be arranged on arm of force part (2) end for retaining thread bar (51) installing hole (10) that passes, and by nut (52) that retaining thread bar (51) is connected with arm of force part (2).
3. a kind of instrument for the maintenance of blower fan blade tip detent box according to claim 2, it is characterized in that: the centre of described arm of force part (2) is provided with the first through hole (11), one end away from installation portion (5) is provided with the second through hole (12), the two ends of described intermediate connector (3) are connected with the first through hole (11), and the two ends of described impeller (4) are connected with the second through hole (12).
4. a kind of instrument for the maintenance of blower fan blade tip detent box according to claim 3, it is characterized in that: described intermediate connector (3) comprises, connecting bolt (31) and stop nut (32), the two ends of described connecting bolt (31) pass perpendicularly through the first through hole (11) on arm of force part (2), and at the two ends of connecting bolt (31), the outside of the first through hole (11) is provided with described stop nut (32).
5. a kind of instrument for the maintenance of blower fan blade tip detent box according to claim 3, it is characterized in that: described impeller (4) is jackscrew bolt (41), comprise, two ends are through the threaded rod of the second through hole (12) and be arranged on the nut of the second through hole (12) inner side with shaft.
6. a kind of instrument for the maintenance of blower fan blade tip detent box according to claim 3, it is characterized in that: described arm of force part (2) is L shape, comprise a galianconism (21) and one long-armed (22), it is inner that described galianconism (21) is fitted in blower fan blade tip detent box (1), the inwall of described long-armed (22) one end and blower fan blade tip detent box (1) is fitted, and the other end extends to the outside of blower fan blade tip detent box (1); Described installing hole (10), the first through hole (11) and the second through hole (12) are arranged on long-armed (22), and linearly distribute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520804692.5U CN205043402U (en) | 2015-10-16 | 2015-10-16 | A instrument that is used for fan apex detent box to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520804692.5U CN205043402U (en) | 2015-10-16 | 2015-10-16 | A instrument that is used for fan apex detent box to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205043402U true CN205043402U (en) | 2016-02-24 |
Family
ID=55337017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520804692.5U Expired - Fee Related CN205043402U (en) | 2015-10-16 | 2015-10-16 | A instrument that is used for fan apex detent box to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205043402U (en) |
-
2015
- 2015-10-16 CN CN201520804692.5U patent/CN205043402U/en not_active Expired - Fee Related
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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: 20160224 Termination date: 20201016 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |