CN213775592U - Fan frequency converter replacing device - Google Patents
Fan frequency converter replacing device Download PDFInfo
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- CN213775592U CN213775592U CN202022178985.0U CN202022178985U CN213775592U CN 213775592 U CN213775592 U CN 213775592U CN 202022178985 U CN202022178985 U CN 202022178985U CN 213775592 U CN213775592 U CN 213775592U
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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
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Abstract
The utility model relates to the field of fan frequency converter replacement, and discloses a fan frequency converter replacement device, which comprises three fixed trays arranged from top to bottom in sequence, wherein a fixed base is arranged below the bottom tray; a first driving mechanism and a second driving mechanism are distributed between two adjacent trays from top to bottom, and the first driving mechanism is arranged on the fixed tray at the middle layer and used for driving the fixed tray at the upper layer to move back and forth in the horizontal direction; the second driving mechanism is arranged on the fixed tray at the lower layer and used for driving the fixed trays at the upper layer and the middle layer to move up and down in the vertical direction. The utility model discloses change the device and promote the basis height and horizontal migration certain distance with the heavy object in being applicable to narrow and small space, saved maintenance operation personnel physical power simultaneously, improved maintenance efficiency, thereby reduced down time and indirectly improved the generated energy.
Description
Technical Field
The utility model relates to a field is changed to the fan converter particularly, relates to a device is changed to fan converter.
Background
Wind energy is renewable green energy, so that attention is paid to all countries in the world, in recent years, the application and development of wind energy are rapid, and the installed capacity of a fan is different day by day. With the increase of the operation time of the wind turbine generator, the generator mostly exceeds the guarantee period, the faults of various devices are increased day by day, and the operation and maintenance tasks are increased. As the large-scale wind power generation maintenance technology belongs to the emerging industry, the maintenance technology of the fan is relatively slow in development, professional equipment and technology are backward maintained at present, and special equipment suitable for fan maintenance is particularly lacked.
In the process of replacing the frequency converter of the fan, because the frequency converter inside the wind turbine generator unit cabinet is important equipment of the wind turbine, the maintenance and the replacement of the frequency converter are important contents of unit maintenance, the internal space of the unit cabinet is narrow, meanwhile, the frequency converter is a heavy object, 3-4 persons need to carry simultaneously during installation, the frequency converter is influenced by physical quality of the persons and the structure of the unit cabinet, the carrying difficulty is high, time and labor are often wasted, and the frequency converter is unsuccessfully lifted and hung into the installation repeatedly, so that the operation efficiency is greatly reduced. The mechanical injuries such as extrusion, smashing, scraping and the like are easy to occur in the process of carrying by multiple persons in a combined force manner, and the danger is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device is changed to fan converter, its applicable lifting the heavy object take the altitude and the horizontal migration certain distance in narrow and small space to save maintenance operation personnel physical power, improved maintenance efficiency.
The embodiment of the utility model discloses a realize through following technical scheme:
a fan frequency converter replacing device comprises three fixed trays which are sequentially arranged from top to bottom, wherein a fixed base is arranged below the tray at the bottom layer; a first driving mechanism and a second driving mechanism are distributed between two adjacent trays from top to bottom,
the first driving mechanism is arranged on the fixed tray at the middle layer and used for driving the fixed tray at the upper layer to move back and forth in the horizontal direction;
the second driving mechanism is arranged on the fixed tray at the lower layer and used for driving the fixed trays at the upper layer and the middle layer to move up and down in the vertical direction.
Furthermore, the first driving mechanism comprises four support arms which are hinged with each other, a parallelogram is formed between the four support arms which are hinged with each other, and the two opposite support arms are respectively fixed on the bottom surface of the upper layer fixed tray and the upper surface of the middle layer fixed tray.
Furthermore, the second driving mechanism comprises two hinge seats arranged in a mirror image manner and two hinge connecting plates arranged in a mirror image manner, the two adjacent hinge seats are hinged with the hinge connecting plates through movable hinges, and the two hinge connecting plates are respectively fixed on the bottom surface of the middle-layer fixed tray and the upper surface of the bottom-layer fixed tray; the third driving mechanism is used for driving the two hinge seats to move towards or away from each other.
Further, the third driving mechanism comprises a screw rod which is a positive screw rod and a negative screw rod, and the two hinge seats are respectively in threaded connection with two ends of the positive screw rod and the negative screw rod.
Furthermore, a plurality of limiting blocks are arranged on the upper layer of the fixed tray and arranged at the outer edge of the fixed tray.
Furthermore, a limiting hole is formed in the limiting block, and the limiting hole is connected with the frequency converter through a connecting steel wire rope.
Furthermore, the bottom of the fixed base is provided with a self-locking universal wheel.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
1. the utility model discloses change device operation process and can be accomplished by 1-2 people, carry the installation with traditional manpower and save 1-2 people's labour, whole installation simultaneously is clear, and weight is supported by equipment, has effectively avoided the emergence of mechanical injury, has improved maintenance efficiency when saving maintenance operation personnel physical power, thereby has reduced down time and has indirectly improved the generated energy.
2. The utility model discloses it need not to use hydraulic equipment to drive to change the device for the weight of changing device self is lighter and more handy, and it is more convenient to move when using, and when installing the converter before the rack in narrow and small space, adjusts more conveniently.
3. The utility model discloses change the device and be applicable to in the narrow and small space and promote the heavy object take the altitude and the horizontal migration certain distance, for example the installation of PM3000 type and HW3000 type converter etc.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a fan frequency converter replacing device provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second driving mechanism according to an embodiment of the present invention.
Icon: 1-fixed base, 2-fixed tray, 3-first driving mechanism, 4-limiting block, 5-second driving mechanism, 51-hinge base, 52-hinge connecting plate, 53-movable hinge, 54-screw, 6-new frequency converter and 7-cabinet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
The embodiment provides a fan frequency converter replacing device, which comprises three fixed trays 2 arranged from top to bottom in sequence, wherein a fixed base 1 is arranged below the tray at the bottom layer; a first driving mechanism 3 and a second driving mechanism 5 are distributed between two adjacent trays from top to bottom, the first driving mechanism 3 is arranged on the fixed tray 2 at the middle layer and used for driving the fixed tray 2 at the upper layer to move back and forth in the horizontal direction; the second driving mechanism 5 is disposed on the lower fixed tray 2, and is configured to drive the upper and middle fixed trays 2 to move up and down in the vertical direction.
In this embodiment, the first driving mechanism 3 includes four hinged arms, a parallelogram is formed between the four hinged arms, and two opposite arms are respectively fixed on the bottom surface of the upper layer fixed tray 2 and the upper surface of the middle layer fixed tray 2.
In this embodiment, the second driving mechanism 5 includes two hinge seats 51 arranged in a mirror image manner and two hinge connection plates 52 arranged in a mirror image manner, and two adjacent hinge seats 51 are hinged to the hinge connection plates 52 through a movable hinge 53, and the two hinge connection plates 52 are respectively fixed to the bottom surface of the middle fixed tray 2 and the upper surface of the bottom fixed tray 2; and a third driving mechanism for driving the two hinge bases 51 to move towards or away from each other.
In this embodiment, the third driving mechanism includes a screw 54, the screw 54 is a positive and negative screw 54, and the two hinge seats 51 are respectively in threaded connection with two ends of the positive and negative screw 54.
When in work: the replacing device of the utility model is arranged in front of the cabinet 7, the old and new frequency converter is detached and then laid in front of the control cabinet, the bottom layer of the fixed base 1 is arranged on the old frequency converter, the old frequency converter can also be directly used as the fixed support 1, and the bottom layer of the tray 2 is directly arranged on the old frequency converter, thus on one hand, the working environment can be saved, and on the other hand, the firm supporting effect can be further played; new new converter 6 is put into the upper tray according to the installation direction in, the user is through rotatory screw rod 54, make hinge seat 51 move in opposite directions, thereby make the hinge of both sides move to the back, thereby make third actuating mechanism play ascending effect, thereby with the fixed tray 2 rebound on middle level and upper strata, when the fixed tray 2 on upper strata rises to with the same height in new converter 6 bottom clearance, stop rotatory screw rod 54, accomplish the lift process of device promptly, then with new converter 6 pack into in the rack 7 can. It should be noted that, the first driving mechanism 3, i.e. the support arm in the shape of a parallelogram, arranged between the upper layer fixed tray 2 and the middle layer fixed tray 2 of the utility model utilizes the structural characteristics of the parallelogram to push the upper layer tray for fixing the new frequency converter 6 forward for a certain distance from a fixed position, so that the new frequency converter 6 is tilted forward into the cabinet 7 for installation, thereby saving time and labor, and being more portable for installation; when the new frequency converter 6 needs to be moved out, the supporting arm of the first driving mechanism 3 which is a parallelogram inclines outwards to push the middle fixed tray 2 outwards for a certain distance, and the time and the labor are saved more conveniently when the new frequency converter 6 is taken down. The utility model discloses need not to use hydraulic equipment to drive for the weight of changing device self is lighter and more handy, and it is more convenient to move when using, and when installing new converter 6 before the rack 7 in narrow and small space, it is more convenient to adjust.
The utility model discloses change device operation process and can be accomplished by 1-2 people, carry the installation with traditional manpower and save 1-2 people's labour, whole installation simultaneously is clear, and weight is supported by equipment, has effectively avoided the emergence of mechanical injury, has improved maintenance efficiency when saving maintenance operation personnel physical power, thereby has reduced down time and has indirectly improved the generated energy. Taking 350 new frequency converters 6 replaced by a wind power plant of Liaoning division every year as an example, the working hours can be saved by 700 hours all the year round; the 1.5MW fan generates 340 kilowatts per hour, and the generating capacity is increased by 23.8 ten thousand kilowatts all the year.
In this embodiment, a plurality of limiting blocks 4 are arranged on the fixed tray 2 on the upper layer, the limiting blocks 4 are arranged on the outer edge of the fixed tray 2, and limiting holes are arranged on the limiting blocks 4; utilize stopper 4 can fix new converter 6, prevent to take place the displacement or even the possibility of the damage that drops at the new converter 6 of removal in-process, in addition, spacing hole is connected with new converter 6 through connecting wire rope, guarantees that new converter 6 is unlikely to the weight inequality and emptys transporting the in-process. Additionally, the utility model discloses a through-hole has also been seted up at 6 tops of new converter to utilize wire rope and be connected with the crossbeam of the internal cabinet body of narrow and small space, prevent that 6 centrobaric skews of new converter from leading to toppling.
In this embodiment, the bottom of the fixed base 1 is provided with a self-locking universal wheel (not shown in the figure); thereby being convenient for the utility model discloses change the removal of device and fix.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A fan frequency converter replacing device is characterized by comprising three fixed trays which are sequentially arranged from top to bottom, wherein a fixed base is arranged below the tray at the bottom layer; a first driving mechanism and a second driving mechanism are distributed between two adjacent trays from top to bottom,
the first driving mechanism is arranged on the fixed tray at the middle layer and used for driving the fixed tray at the upper layer to move back and forth in the horizontal direction;
the second driving mechanism is arranged on the fixed tray at the lower layer and used for driving the fixed trays at the upper layer and the middle layer to move up and down in the vertical direction.
2. The device for replacing a fan frequency converter according to claim 1, wherein the first driving mechanism comprises four hinged supporting arms, a parallelogram is formed between the four hinged supporting arms, and two opposite supporting arms are respectively fixed on the bottom surface of the upper fixed tray and the upper surface of the middle fixed tray.
3. The fan frequency converter replacing device according to claim 1, wherein the second driving mechanism comprises two hinge seats arranged in a mirror image manner and two hinge connecting plates arranged in a mirror image manner, the two adjacent hinge seats are hinged with the hinge connecting plates through movable hinges, and the two hinge connecting plates are respectively fixed on the bottom surface of the middle layer fixed tray and the upper surface of the bottom layer fixed tray; the third driving mechanism is used for driving the two hinge seats to move towards or away from each other.
4. The blower frequency converter replacing device according to claim 3, wherein the third driving mechanism comprises a screw, the screw is a positive screw and a negative screw, and the two hinge seats are respectively in threaded connection with two ends of the positive screw and the negative screw.
5. The fan frequency converter replacing device according to claim 1, wherein a plurality of limiting blocks are arranged on the fixing tray on the upper layer, and the limiting blocks are arranged on the outer edge of the fixing tray.
6. The fan frequency converter replacing device according to claim 5, wherein the limiting block is provided with a limiting hole.
7. The blower frequency converter replacing device according to claim 1, wherein a self-locking universal wheel is arranged at the bottom of the fixed base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022178985.0U CN213775592U (en) | 2020-09-28 | 2020-09-28 | Fan frequency converter replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022178985.0U CN213775592U (en) | 2020-09-28 | 2020-09-28 | Fan frequency converter replacing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213775592U true CN213775592U (en) | 2021-07-23 |
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ID=76907063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022178985.0U Active CN213775592U (en) | 2020-09-28 | 2020-09-28 | Fan frequency converter replacing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213775592U (en) |
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2020
- 2020-09-28 CN CN202022178985.0U patent/CN213775592U/en active Active
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