CN208010515U - A kind of overload safety device of wind power plant power transmission and transforming equipment - Google Patents
A kind of overload safety device of wind power plant power transmission and transforming equipment Download PDFInfo
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- CN208010515U CN208010515U CN201820414310.1U CN201820414310U CN208010515U CN 208010515 U CN208010515 U CN 208010515U CN 201820414310 U CN201820414310 U CN 201820414310U CN 208010515 U CN208010515 U CN 208010515U
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- limiting plate
- generator
- fixedly connected
- shell
- safety device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model discloses a kind of overload safety device of wind power plant power transmission and transforming equipment, including shell, variable pitch head is provided on the left of the shell；The utility model has the beneficial effects that：When wind speed becomes larger, after the left end of driver plate is detached from the rearmost end of limiting plate, generator is stopped, avoid due to wind speed cross ambassador's generator speed it is too fast and caused by generator loading situation, extend the service life of generator and change gear box, when wind speed is excessively big, variable pitch head is in contact with socket cover and mutually rotates, variable pitch head is protected, after wind speed becomes smaller, since the reset response of spring makes driver plate be mutually embedded in again with limiting plate, this generator re-starts power generation, right end using limiting plate is in the design of the arc of right side recess and the right-narrow and left-wide shape of right end of limiting plate, make in the gap that driver plate readily can enter limiting plate in the case of rotation.
Description
Technical field
The utility model is related to power transmission and transforming equipment technical field, the antioverloading of specifically a kind of wind power plant power transmission and transforming equipment is protected
Protection unit.
Background technology
With increasing for China human mortality, energy consumption is also more and more, and electric energy is that daily life and industrial production must can not
The scarce energy, people increasingly increase severely for the demand of electric energy, for meet demand and under the premise of not welding, people
Begin one's study wind power plant, and traditional wind power plant power transmission and transformation are bulky, low to the utilization rate of wind energy, and when there is typhoon, wind
Electric field power transmission and transforming equipment will be burned, and can not work normally, and the heat-sinking capability of equipment is also test service life of equipment
A major issue.
A kind of wind-powered electricity generation power transmission and transforming equipment, the equipment are disclosed in the Chinese patent that Authorization Notice No. is CN205533017U
The supply of power transmission and transformation can be carried out in wind power plant, but the device has the defect that can not carry out antioverloading protection automatically.
Utility model content
The purpose of this utility model is to provide a kind of overload safety devices of wind power plant power transmission and transforming equipment, in solution
State the problem of being proposed in background technology.
To achieve the above object, the utility model provides the following technical solutions：
A kind of overload safety device of wind power plant power transmission and transforming equipment, including shell are provided with change on the left of the shell
The outside of paddle head, variable pitch head is uniformly fixedly connected with several wind wheel blades, and transmission shaft is fixedly connected on the right side of variable pitch head, described
The left side centre position of shell is provided with hole, and sleeve is fixed in hole, and socket cover, the right side of socket cover are socketed on the left of sleeve
It is connected with the ball that passes on left of sleeve, the transmission shaft passes through sleeve and socket cover, the right end outer surface of transmission shaft uniform
Several driver plates are fixedly connected with, the left end of driver plate is in the arcuate shape of left hand projection, and the right side setting of the sleeve is free
Stem body, hollow cylinder are in the shape of left end opening, are uniformly fixedly connected with several limiting plates on the left of the inner wall of hollow cylinder, limit
The right end of position plate is in the right-narrow and left-wide shape of the right end of arc and limiting plate that right side is recessed, the right end contact of the transmission shaft
There are steel ball, steel ball to be connected by spring with hollow cylinder, change gear box, open tubular column are provided on the right side of the hollow cylinder
The right end of body is fixedly connected with shaft and shaft is mutually fixedly connected with the input terminal of change gear box, the right side wall of the shell
Body is installed with generator, and the output end of change gear box phase is mutually fixedly connected with the input terminal of generator.
As further program of the utility model：The quantity of the wind wheel blade is at least three.
As the utility model further scheme：The hemispherical shape of the left side wall body of the shell.
As the utility model further scheme：The upper and lower sides of the change gear box have been respectively fixedly connected with several
The both ends of heat-dissipating pipe, heat-dissipating pipe have been respectively turned on header box, and the header box of left and right sides passes through admission line and outlet pipe respectively
It is connected with the both sides wall body of shell.
As the utility model further scheme：The quantity of the limiting plate is consistent with the quantity of driver plate.
Compared with prior art, the utility model has the beneficial effects that：When wind speed becomes larger, the left end of driver plate is detached from
After the rearmost end of limiting plate, generator is stopped, avoid due to wind speed cross ambassador's generator speed it is too fast and caused by send out
Motor load situation extends the service life of generator and change gear box, when wind speed is excessively big, variable pitch head and socket cover phase
It contacts and mutually rotates, variable pitch head is protected, after wind speed becomes smaller, since the reset response of spring makes driver plate and limit
Plate is mutually embedded in again, this generator re-starts power generation, and the right end using limiting plate is in the arc and limiting plate of right side recess
The right-narrow and left-wide shape of right end design, make driver plate that can readily enter the gap of limiting plate in the case of rotation
Design that is interior, being in contact with transmission shaft using steel ball, maximumlly reduces frictional energy, improves the transmission effect of mechanical energy
Rate, air take away the heat of change gear box by being flowed out after admission line, header box, heat-dissipating pipe, header box and outlet pipe
Amount, extends the service life of change gear box.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the overload safety device of wind power plant power transmission and transforming equipment；
Fig. 2 is the diagrammatic cross-section of A-A in overload safety device of wind power plant power transmission and transforming equipment a kind of；
Fig. 3 is the diagrammatic cross-section of B-B in overload safety device of wind power plant power transmission and transforming equipment a kind of；
In figure：1- shells, 2- variable pitches head, 3- wind wheel blades, 4- transmission shafts, 5- sleeves, 6- socket covers, 7- balls, 8- are passed
Movable plate, 9- hollow cylinders, 10- limiting plates, 11- steel balls, 12- springs, 13- shafts, 14- change gear boxs, 15- generators, 16-
Heat-dissipating pipe, 17- header boxs, 18- admission lines, 19- outlet pipes.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
Please refer to Fig.1-3, a kind of overload safety device of wind power plant power transmission and transforming equipment, including shell 1, the shell 1
Left side be provided with variable pitch head 2, the outside of variable pitch head 2 is uniformly fixedly connected with several wind wheel blades 3, and the right side of variable pitch head 2 is solid
Surely it is connected with transmission shaft 4, the left side centre position of the shell 1 is provided with hole, and sleeve 5, the left side set of sleeve 5 are fixed in hole
It is connected to socket cover 6, the right side of socket cover 6 is connected with the ball 7 that passes on left of sleeve 5, and the transmission shaft 4 passes through 5 He of sleeve
The right end outer surface of socket cover 6, transmission shaft 4 is uniformly fixedly connected with several driver plates 8, and the left end of driver plate 8 is in left hand projection
Arcuate shape, the right side of the sleeve 5 is provided with hollow cylinder 9, and hollow cylinder 9 is in the shape of left end opening, hollow cylinder 9
Inner wall on the left of be uniformly fixedly connected with several limiting plates 10, the right end of limiting plate 10 in right side recess arc and limiting plate
10 right end is in right-narrow and left-wide shape, and the right end contact of the transmission shaft 4 has steel ball 11, steel ball 11 to pass through with hollow cylinder 9
Spring is connected, and the right side of the hollow cylinder 9 is provided with change gear box 14, and the right end of hollow cylinder 9, which is fixedly connected with, to be turned
Axis 13 and shaft 13 is mutually fixedly connected with the input terminal of change gear box 14, the right side wall body inside the shell 1 fix peace
Equipped with generator 15, the output end of change gear box 14 is mutually fixedly connected with the input terminal of generator 15；
In normal wind speed, the rotation of variable pitch head 2 drives transmission shaft 4 to rotate, to make driver plate 8 drive limiting plate 10
It is rotated with hollow cylinder 9, by the accelerating function of change gear box 14, generator 15 generates electricity, when wind speed becomes larger, wind wheel
Transmission shaft 4 can gradually move right when blade 3 drives variable pitch head 2 to be rotated, when the left end of driver plate 8 is detached from limiting plate 10
When rearmost end, transmission shaft 4 dallies at this time, hollow cylinder 9 cannot be driven to be rotated, generator 15 is stopped at this time, avoids
Due to wind speed cross ambassador's generator 15 rotating speed it is too fast and caused by generator loading situation, extend generator 15 and change gear
The service life of case 14, when wind speed is excessively big, variable pitch head 2 is in contact with socket cover 6 and mutually rotates, and is carried out to variable pitch head 2
Protection, it is hollow at this time since the reset response of spring 12 makes driver plate 8 be mutually embedded in again with limiting plate 10 after wind speed becomes smaller
Cylinder 9 rotates again, and generator 15 generates electricity, and the right end using limiting plate 10 is in the arc and limiting plate 10 of right side recess
The right-narrow and left-wide shape of right end design, make driver plate 8 that can readily enter limiting plate 10 in the case of rotation
In gap, the design being in contact with transmission shaft 4 using steel ball 11 is maximumlly reduced frictional energy, improves mechanical energy
Transmission efficiency.
The quantity of the wind wheel blade 3 is at least three.
The hemispherical shape of the left side wall body of the shell 1.
The upper and lower sides of the change gear box 14 have been respectively fixedly connected with several heat-dissipating pipes 16, the both ends difference of heat-dissipating pipe 16
Connection has header box 17, the header box 17 of left and right sides to pass through the two side of admission line 18 and outlet pipe 19 and shell 1 respectively
Body is connected, and air is taken away by 19 outflow after admission line 18, header box 17, heat-dissipating pipe 16, header box 17 and outlet pipe
The heat of change gear box 14 extends the service life of change gear box 14.
The quantity of the limiting plate is consistent with the quantity of driver plate.
The operation principle of the utility model is：In normal wind speed, the rotation of variable pitch head 2 drives transmission shaft 4 to rotate, from
And make driver plate 8 that limiting plate 10 and hollow cylinder 9 be driven to rotate, by the accelerating function of change gear box 14, generator 15 into
Row power generation, when wind speed becomes larger, transmission shaft 4 can gradually move right when wind wheel blade 3 drives variable pitch head 2 to be rotated, and work as transmission
When the left end of plate 8 is detached from the rearmost end of limiting plate 10, transmission shaft 4 dallies at this time, and hollow cylinder 9 cannot be driven to be rotated,
Generator 15 is stopped at this time, avoid due to wind speed cross 15 rotating speed of ambassador's generator it is too fast and caused by generator loading feelings
Condition extends the service life of generator 15 and change gear box 14, and when wind speed is excessively big, variable pitch head 2 is in contact with socket cover 6
And mutually rotate, variable pitch head 2 is protected, after wind speed becomes smaller, since the reset response of spring 12 makes driver plate 8 and limit
Plate 10 is mutually embedded in again, and hollow cylinder 9 rotates again at this time, and generator 15 generates electricity, using the right end of limiting plate 10 in the right side
The arc of side recess and the design of the right-narrow and left-wide shape of right end of limiting plate 10, make energy in the case of rotation of driver plate 8
Enough readily to enter in the gap of limiting plate 10, the design being in contact with transmission shaft 4 using steel ball 11 is maximumlly reduced
Frictional energy, improves the transmission efficiency of mechanical energy, and air passes through admission line 18, header box 17, heat-dissipating pipe 16, header box 17
With 19 outflow after outlet pipe, the heat of change gear box 14 is taken away, extends the service life of change gear box 14.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of overload safety device of wind power plant power transmission and transforming equipment, including shell, which is characterized in that the left side of the shell
It is provided with variable pitch head, the outside of variable pitch head is uniformly fixedly connected with several wind wheel blades, biography is fixedly connected on the right side of variable pitch head
The left side centre position of moving axis, the shell is provided with hole, and sleeve is fixed in hole, and socket cover is socketed on the left of sleeve, set
The right side of cover is connected with the ball that passes on left of sleeve, and the transmission shaft passes through sleeve and socket cover, the right end of transmission shaft
Outer surface is uniformly fixedly connected with several driver plates, and the left end of driver plate is in the arcuate shape of left hand projection, the right side of the sleeve
Side is provided with hollow cylinder, and hollow cylinder is in the shape of left end opening, if being uniformly fixedly connected on the left of the inner wall of hollow cylinder
Dry limiting plate, the right end of limiting plate is in the arc of right side recess and the right-narrow and left-wide shape of the right end of limiting plate, the transmission
The right end contact of axis has steel ball, steel ball to be connected by spring with hollow cylinder, and speed change is provided on the right side of the hollow cylinder
The right end of gear-box, hollow cylinder is fixedly connected with shaft and shaft is mutually fixedly connected with the input terminal of change gear box, institute
The right side wall body for stating shell is installed with generator, and mutually fixation connects the output end of change gear box with the input terminal of generator
It connects.
2. a kind of overload safety device of wind power plant power transmission and transforming equipment according to claim 1, which is characterized in that described
The quantity of wind wheel blade is at least three.
3. a kind of overload safety device of wind power plant power transmission and transforming equipment according to claim 1 or 2, which is characterized in that
The hemispherical shape of the left side wall body of the shell.
4. a kind of overload safety device of wind power plant power transmission and transforming equipment according to claim 1, which is characterized in that described
The upper and lower sides of change gear box have been respectively fixedly connected with several heat-dissipating pipes, and the both ends of heat-dissipating pipe have been respectively turned on header box, left and right
The header box of side is connected by the both sides wall body of admission line and outlet pipe and shell respectively.
5. a kind of overload safety device of wind power plant power transmission and transforming equipment according to claim 1, which is characterized in that described
The quantity of limiting plate is consistent with the quantity of driver plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820414310.1U CN208010515U (en) | 2018-03-23 | 2018-03-23 | A kind of overload safety device of wind power plant power transmission and transforming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820414310.1U CN208010515U (en) | 2018-03-23 | 2018-03-23 | A kind of overload safety device of wind power plant power transmission and transforming equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208010515U true CN208010515U (en) | 2018-10-26 |
Family
ID=63890341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820414310.1U Active CN208010515U (en) | 2018-03-23 | 2018-03-23 | A kind of overload safety device of wind power plant power transmission and transforming equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208010515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374755A (en) * | 2018-03-23 | 2018-08-07 | 国网山西省电力公司忻州供电公司 | A kind of overload safety device of wind power plant power transmission and transforming equipment |
-
2018
- 2018-03-23 CN CN201820414310.1U patent/CN208010515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374755A (en) * | 2018-03-23 | 2018-08-07 | 国网山西省电力公司忻州供电公司 | A kind of overload safety device of wind power plant power transmission and transforming equipment |
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