CN207344508U - Fan blade break bolt extraction device - Google Patents
Fan blade break bolt extraction device Download PDFInfo
- Publication number
- CN207344508U CN207344508U CN201721012946.5U CN201721012946U CN207344508U CN 207344508 U CN207344508 U CN 207344508U CN 201721012946 U CN201721012946 U CN 201721012946U CN 207344508 U CN207344508 U CN 207344508U
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- Prior art keywords
- bolt
- break
- fan blade
- break bolt
- fixed plate
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- 238000000605 extraction Methods 0.000 title claims abstract description 17
- 238000005553 drilling Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000000630 rising effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000282693 Cercopithecidae Species 0.000 description 1
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model discloses a kind of fan blade break bolt extraction device, it is related to break bolt and takes out technical field of tools, including drilling equipment, extension arm, drill bit, fixed plate and bolt withdrawing device, fixed plate can be connected with the blade bolt by break bolt, extension arm lower end installation drill bit, upper end are driven by the transmission shaft of drilling equipment, drill bit overcoat guide sleeve, guiding is set on flange bolt deep hole bottom and its lower face is contacted with break bolt, and bolt withdrawing device can coordinate with drilled break bolt.By fixing fixed plate at the blade bolt by break bolt, extension arm with drill bit is installed on drilling equipment, and drilling equipment is placed in fixed plate and is drilled to the break bolt section at bolt deep hole, finally break bolt is easily taken out using bolt withdrawing device, reduce labor intensity, it is efficient to improve maintenance work, while keeps the pitch variable bearings and flange integrity at fan blade break bolt.
Description
Technical field
It the utility model is related to break bolt and take out technical field of tools, more particularly to a kind of fan blade
Break bolt extraction device.
Background technology
In recent years, developing rapidly with wind turbine, installation amount is increasing, and many wind turbines have been run for many years, due to wind turbine
Operation conditions it is complicated, blade fixing bolt phenomenon of rupture happens occasionally, and the safe operation of fan causes very big hidden danger.Wind turbine
Bolt fracture situation is generally divided into two kinds of situations：First, the plane of disruption is concordant with pitch variable bearings flange face, chapter 2 plane of disruption is becoming
Paddle shaft is held in the bolt deep hole of flange.The relatively good processing of the first situation, the second situation is then since screw rod fracture position exists
At bearing flange bolt deep hole, due to no specific purpose tool, it can not be taken out with conventional method.
Utility model content
The utility model is to provide a kind of fan blade break bolt extraction device, it is intended to solves above-mentioned prior art apoplexy
The machine blade bolt plane of disruption is difficult to the technical problem taken out when being at flange bolt bolt deep hole.
In order to solve the above technical problems, technical solution adopted in the utility model is：
A kind of fan blade break bolt extraction device, including drilling equipment, extension arm, drill bit, fixed plate and bolt
Withdrawing device, the fixed plate can be connected with the blade bolt by break bolt, extension arm lower end installation drill bit, on
End is driven by the transmission shaft of drilling equipment, and the drill bit overcoat guide sleeve, the guiding is set on flange bolt deep hole bottom
Portion and its lower face is contacted with break bolt, the bolt withdrawing device can coordinate with drilled break bolt.
Preferably, the guide sleeve bottom is equipped with chip-removal hole, top is equipped with lifting hole, middle part is through with pilot hole, described
Chip removal bore dia, which is more than, is oriented to bore dia, and the longitudinal section of the lifting hole is L-type, the horizontal part and raising rod of the lifting hole
Lower end cross bar coordinates.
Further, the raising rod includes extension bar, cross bar and draw ring, and the cross bar and draw ring, which are separately positioned on, to be added
The lower end and upper end of stock.
Preferably, the extension arm top suit positioning sleeve, the positioning set upper side are justified equipped with platform, and described circle is set
On the bearing face of bolt outlet of deep hole, the cylindrical and bolt deep hole tight fit of the positioning sleeve.
Preferably, the extension arm is that top is Morse taper shank, the drill point of the Morse taper shank drilling rod and drilling equipment
Head coordinates.
Preferably, described fixed plate one end is equipped with connecting hole, and the blade bolt by the break bolt runs through connecting hole pair
Fixed plate is fixed.
Further, the fixed plate is equipped with several bar holes.
Preferably, the bolt withdrawing device includes twisting bar, connector sleeve and Decapitated bolt extractor, the stubborn bar and broken end
The upper end with connector sleeve, lower end are connected bolt extractor respectively.
Further, the connector sleeve both ends are connected by screw with stubborn bar and Decapitated bolt extractor.
It is using beneficial effect caused by above-mentioned technical proposal：The utility model passes through the blade by break bolt
Fixed plate is fixed at bolt, the extension arm with drill bit is installed on drilling equipment, and drilling equipment is placed on fixation
Drill to the break bolt section at bolt deep hole on plate, finally easily taken break bolt using bolt withdrawing device
Go out.The utility model has the advantages that simple in structure, easy to operate, labor intensity is low, can efficiently and easily take out fracture spiral shell
Bolt, raising maintenance work is efficient, while keeps the pitch variable bearings and flange integrity at fan blade break bolt.
Brief description of the drawings
Fig. 1 is a kind of working status signal for fan blade break bolt extraction device that the utility model embodiment provides
Figure；
Fig. 2 is the structure diagram of fixed plate in the utility model；
Fig. 3 is the structure diagram of guide sleeve in Fig. 1；
Fig. 4 is the A-A sectional views of Fig. 3；
Fig. 5 is the schematic diagram of raising rod in the utility model；
Fig. 6 is the structure diagram of bolt withdrawing device in the utility model；
In figure：1- drilling equipments, 2- extension arms, 3- drill bits, 4- fixed plates, 5- guide sleeves, 6- flanges, 7- chip-removal holes,
8- lifting holes, 9- pilot holes, 10- raising rods, 11- cross bars, 12- extension bars, 13- draw rings, 14- positioning sleeves, 15- platforms circle, 16-
Bolt deep hole, 17- bearings, 18- connecting holes, 19- bar holes, 20- twist bar, 21- connector sleeves, 22- bolt extractors, 23- screws,
24- break bolts.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically
Embodiment, is described in further detail the utility model.It should be appreciated that specific embodiment described herein only to
Explain the utility model, be not used to limit the utility model.
Please refer to Fig.1, a kind of fan blade break bolt extraction device provided by the utility model, including drilling equipment 1,
Extension arm 2, drill bit 3, fixed plate 4 and bolt withdrawing device, the fixed plate 3 can be with the blade bolts on the side of break bolt 24
It is connected, 1 lower end of the extension arm installation drill bit 3, upper end are driven by the transmission shaft of drilling equipment, and 2 overcoat of drill bit is oriented to
Set 5, drill bit select fluted drill, and the guide sleeve 5 is arranged on 16 bottom of bolt deep hole and its lower face and fracture spiral shell at flange 6
Bolt 24 contacts, and the bolt withdrawing device can coordinate with drilled break bolt 24.Fixed plate is fixed on break bolt
At other blade bolt, drilling equipment is placed in fixed plate and is drilled to the break bolt section at bolt deep hole, most
Break bolt is easily taken out using bolt withdrawing device afterwards, raising maintenance work is efficient, while keeps fan blade to be broken
Pitch variable bearings and flange integrity at bolt.
Referring to Fig. 3,4,5 bottom of guide sleeve is equipped with chip-removal hole 7, top is equipped with lifting hole 8, middle part is through with pilot hole
9,7 diameter of chip-removal hole is more than 9 diameter of pilot hole, and the longitudinal section of the lifting hole 8 is L-type, the horizontal part of the lifting hole 8
Coordinate with 10 lower end cross bar 11 of raising rod.Drill bit is positioned at the center of bolt deep hole by pilot hole；Chip-removal hole can accommodate
The iron filings of discharge.
Referring to Fig. 5, the raising rod 10 includes extension bar 12, cross bar 11 and draw ring 13, the cross bar 11 and draw ring 13
It is separately positioned on the lower end and upper end of extension bar 12.Raising rod is connected by the lifting hole with guide sleeve, and portable draw ring can
Guide sleeve is easily put into or taken out bolt deep hole.
As further preferred technical solution, 1 top of extension arm is set with positioning sleeve 14, on the positioning sleeve 14
End be equipped with platform circle 15, described circle 15 is arranged on 17 end face of bearing in 16 aperture of bolt deep hole, the positioning sleeve 14 it is cylindrical
With 16 tight fit of bolt deep hole.Bolt deep hole center is positioned to extension arm by positioning sleeve, extension arm can be avoided
Excessively swung in boring procedure.
Wherein, the extension arm 1 is that top is Morse taper shank, the drill chuck of the Morse taper shank drilling rod and drilling equipment
Coordinate.Morse taper shank is conventional design, and standardization, interchangeability are preferable.Pass through the mohs tapered bore and taper shank of drilling equipment drill chuck
Extension arm connect, when drilling equipment mohs tapered bore and extension arm size mismatch when, Morse reducing sleeve can be used
Carry out conversion connection.
Referring to Fig. 2, described 3 one end of fixed plate is equipped with connecting hole 18, and the blade bolt on the side of break bolt 4 is through connection
Fixed plate 3 is fixed in hole 18.Further, the fixed plate 3 is equipped with several bar holes 19, can be subtracted using bar hole
The vibration of light drilling equipment and reinforcement heat dissipation effect.Fixed plate by being connected and fixing with the blade bolt by break bolt hole,
Operating platform is provided for drilling equipment.Magnetic drill can be selected in drilling equipment.
Referring to Fig. 6, the bolt withdrawing device includes twisting bar 20, connector sleeve 21 and Decapitated bolt extractor 22, described to twist
The upper end with connector sleeve 21, lower end are connected respectively for bar 20 and Decapitated bolt extractor 22.Wherein, 21 both ends of connector sleeve pass through
Screw 23 is connected with stubborn bar 20 and Decapitated bolt extractor 22, is convenient for changing the Decapitated bolt extractor of different size, reducing sleeve
Also sizes specification can be designed according to Decapitated bolt extractor specification.After hole is drilled on the section of break bolt, using disconnected
Hook bolt extractor and the hole being drilled coordinate, and turn stubborn bar by spanner, you can take out break bolt.
The utility model in specific application, is drilled in break bolt using drilling equipment, and bore diameter is less than
The diameter of bolt, drilling depth 15-20mm, is taken out extension arm, is cleaned out iron filings using magnet；According to drilling size,
The bolt withdrawing device equipped with suitable Decapitated bolt extractor is selected, using the stubborn bar of monkey wrench fishbolt withdrawing device,
Counterclockwise screw out break bolt.
In conclusion the utility model has the advantages that simple in structure, easy to operate, labor intensity is low, by being broken
Fixed plate is fixed at blade bolt by bolt, the extension arm with drill bit is installed on magnetic drill, and magnetic drill is consolidated
It is scheduled in fixed plate and drills to the break bolt section at bolt deep hole, finally using bolt withdrawing device by break bolt
Easily take out.Break bolt can be efficiently and easily taken out using the utility model, raising maintenance work is efficient, protects at the same time
Hold the pitch variable bearings and flange integrity at fan blade break bolt.
Specific case used herein is set forth the principle and embodiment of the utility model, above example
Explanation be only intended to help to understand the method and its core concept of the utility model.It should be pointed out that for the art
For those of ordinary skill, on the premise of the utility model principle is not departed from, some change can also be carried out to the utility model
Into and modification, these improve and modification also fall into the protection domain of the utility model claims.
Claims (9)
- A kind of 1. fan blade break bolt extraction device, it is characterised in that：Including drilling equipment, extension arm, drill bit, fixation Plate and bolt withdrawing device, the fixed plate can be connected with the blade bolt by break bolt, the extension arm lower end peace Dress drill bit, upper end are driven by the transmission shaft of drilling equipment, and the drill bit overcoat guide sleeve, the guiding is set on flange spiral shell Bolt deep hole bottom and its lower face is contacted with break bolt, the bolt withdrawing device can match somebody with somebody with drilled break bolt Close.
- 2. fan blade break bolt extraction device according to claim 1, it is characterised in that：The guide sleeve bottom is set There are chip-removal hole, top to be through with pilot hole equipped with lifting hole, middle part, the chip removal bore dia, which is more than, is oriented to bore dia, described to carry The longitudinal section for rising hole is L-type, and horizontal part and the raising rod lower end cross bar of the lifting hole coordinate.
- 3. fan blade break bolt extraction device according to claim 2, it is characterised in that：The raising rod includes Extension bar, cross bar and draw ring, the cross bar and draw ring are separately positioned on the lower end and upper end of extension bar.
- 4. fan blade break bolt extraction device according to claim 1, it is characterised in that：The extension arm top Positioning sleeve is set with, the positioning set upper side is justified equipped with platform, and described circle is arranged on the bearing face of bolt outlet of deep hole, described The cylindrical and bolt deep hole tight fit of positioning sleeve.
- 5. fan blade break bolt extraction device according to claim 1, it is characterised in that：The extension arm is upper Portion is Morse taper shank, and the drill chuck of the Morse taper shank drilling rod and drilling equipment coordinates.
- 6. fan blade break bolt extraction device according to claim 1, it is characterised in that：Described fixed plate one end is set There is a connecting hole, the blade bolt by the break bolt is fixed fixed plate through connecting hole.
- 7. fan blade break bolt extraction device according to claim 6, it is characterised in that：The fixed plate is equipped with Several bar holes.
- 8. according to claim 1-7 any one of them fan blade break bolt extraction devices, it is characterised in that：The bolt Withdrawing device include twist bar, connector sleeve and Decapitated bolt extractor, the stubborn bar and Decapitated bolt extractor respectively with connector sleeve Upper end, lower end connection.
- 9. fan blade break bolt extraction device according to claim 8, it is characterised in that：The connector sleeve both ends lead to Screw is crossed to be connected with stubborn bar and Decapitated bolt extractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721012946.5U CN207344508U (en) | 2017-08-14 | 2017-08-14 | Fan blade break bolt extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721012946.5U CN207344508U (en) | 2017-08-14 | 2017-08-14 | Fan blade break bolt extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207344508U true CN207344508U (en) | 2018-05-11 |
Family
ID=62412547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721012946.5U Active CN207344508U (en) | 2017-08-14 | 2017-08-14 | Fan blade break bolt extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207344508U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015531A (en) * | 2018-10-15 | 2018-12-18 | 安徽铸星机械制造有限公司 | A kind of broken end screw rod removing method |
| CN110834302A (en) * | 2019-09-03 | 2020-02-25 | 射阳远景能源科技有限公司 | Tool and method for magnetically drilling blade and breaking bolt |
| CN110961859A (en) * | 2019-12-27 | 2020-04-07 | 广西玉柴机器股份有限公司 | Device and method for repairing fracture of connecting bolt of cylinder cover and cylinder body of engine |
| CN112706124A (en) * | 2020-12-22 | 2021-04-27 | 华仪风能有限公司 | Bolt taking-out device for broken bolt of variable-pitch slewing bearing of megawatt wind generating set |
| CN117404097A (en) * | 2023-11-15 | 2024-01-16 | 中建交通建设集团有限公司 | Construction method for taking out broken bolts on cutter head of shield tunneling machine |
-
2017
- 2017-08-14 CN CN201721012946.5U patent/CN207344508U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015531A (en) * | 2018-10-15 | 2018-12-18 | 安徽铸星机械制造有限公司 | A kind of broken end screw rod removing method |
| CN109015531B (en) * | 2018-10-15 | 2020-05-12 | 安徽铸星机械制造有限公司 | Method for taking out broken-end screw |
| CN110834302A (en) * | 2019-09-03 | 2020-02-25 | 射阳远景能源科技有限公司 | Tool and method for magnetically drilling blade and breaking bolt |
| CN110961859A (en) * | 2019-12-27 | 2020-04-07 | 广西玉柴机器股份有限公司 | Device and method for repairing fracture of connecting bolt of cylinder cover and cylinder body of engine |
| CN110961859B (en) * | 2019-12-27 | 2024-03-29 | 广西玉柴机器股份有限公司 | Device and method for repairing fracture of connecting bolt of engine cylinder cover and cylinder body |
| CN112706124A (en) * | 2020-12-22 | 2021-04-27 | 华仪风能有限公司 | Bolt taking-out device for broken bolt of variable-pitch slewing bearing of megawatt wind generating set |
| CN117404097A (en) * | 2023-11-15 | 2024-01-16 | 中建交通建设集团有限公司 | Construction method for taking out broken bolts on cutter head of shield tunneling machine |
| CN117404097B (en) * | 2023-11-15 | 2024-04-16 | 中建交通建设集团有限公司 | Construction method for taking out broken bolts on cutter head of shield tunneling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200525 Address after: 068350 no.230, North Xinfeng Road, Dage Town, Fengning Manchu Autonomous County, Chengde City, Hebei Province Patentee after: Hebei Datang International Fengning Wind Power Co.,Ltd. Address before: 067000 Chengde City, Hebei Province town village temple Shuangqiao District Shuiquangou lion park on the north side of the resort Patentee before: HEBEI DATANG INTERNATIONAL NEW ENERGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231204 Address after: 067399, 12th and 13th floors, Building A1, Building AB, Zhongliang Building, East District, High tech Development Zone, Chengde City, Hebei Province Patentee after: HEBEI DATANG INTERNATIONAL NEW ENERGY CO.,LTD. Address before: 068350 no.230, Xinfeng North Road, Dage Town, Fengning Manchu Autonomous County, Chengde City, Hebei Province Patentee before: Hebei Datang International Fengning Wind Power Co.,Ltd. |
|
| TR01 | Transfer of patent right |