CN212811477U - Flywheel energy storage device - Google Patents
Flywheel energy storage device Download PDFInfo
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- CN212811477U CN212811477U CN202022160669.0U CN202022160669U CN212811477U CN 212811477 U CN212811477 U CN 212811477U CN 202022160669 U CN202022160669 U CN 202022160669U CN 212811477 U CN212811477 U CN 212811477U
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- energy storage
- flywheel energy
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
The utility model relates to a flywheel energy storage field particularly, relates to a flywheel energy storage equipment. The flywheel energy storage equipment comprises an equipment body and a plurality of lifting mechanisms, wherein each lifting mechanism comprises a base, a support frame, a driver, a transmission assembly, a screw shaft and a nut; the base is fixedly arranged, and the support frame is fixedly connected with the equipment body; the screw shaft is vertically arranged and provided with a screw part and a rotating shaft part, the rotating shaft part is pivoted with the support frame, the screw part is matched with a nut, and the nut is fixedly connected with the base; the driver is connected with the screw shaft through the transmission assembly and is used for driving the screw shaft to rotate. The utility model provides a flywheel energy storage equipment need not to borrow external machine, just can raise equipment body, and environmental sensitivity is lower, does benefit to flywheel energy storage equipment's popularization and implementation, can not influence the stability of equipment in the use moreover.
Description
Technical Field
The utility model relates to a flywheel energy storage field particularly, relates to a flywheel energy storage equipment.
Background
The flywheel energy storage device is a device which utilizes a motor to drive a flywheel to rotate at a high speed so as to store energy into the flywheel and then utilizes the flywheel to drive a generator to generate electricity when needed.
The maintenance of the flywheel energy storage equipment is mainly to inspect, lubricate and replace the mechanical bearings at the upper end and the lower end, wherein the bearing at the lower end needs to disassemble the protective cover at the lower end and then disassemble the bearing for maintenance. In order to ensure the stability of the equipment in the using process, the gravity center of the equipment cannot be too high when the equipment is used, so that the maintenance space below the equipment is compressed, the flywheel energy storage equipment is generally lifted by using external machines (such as a forklift, a crane and the like) for operation and maintenance, however, the external machines need certain implementation space, the environmental sensitivity of the flywheel energy storage equipment is greatly improved, and the popularization and implementation of the flywheel energy storage equipment are not facilitated.
In summary, how to overcome the above-mentioned defects of the existing flywheel energy storage device is a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flywheel energy storage equipment to alleviate the higher technical problem of environmental sensitivity that flywheel energy storage equipment among the prior art exists.
The utility model provides a flywheel energy storage device, which comprises a device body and a plurality of lifting mechanisms, wherein each lifting mechanism comprises a base, a support frame, a driver, a transmission assembly, a screw shaft and a nut;
the base is fixedly arranged, and the support frame is fixedly connected with the equipment body; the screw shaft is vertically arranged and provided with a screw part and a rotating shaft part, the rotating shaft part is pivoted with the support frame, the screw part is matched with the nut, and the nut is fixedly connected with the base; the driver is connected with the lead screw shaft through the transmission assembly and is used for driving the lead screw shaft to rotate.
Preferably, as an implementation mode, the transmission assembly includes a first bevel gear, a second bevel gear and a horizontal axle, the driver is in transmission connection with the horizontal axle, the first bevel gear is fixed on the horizontal axle, the second bevel gear is fixed on the rotating shaft portion, and the first bevel gear is meshed with the second bevel gear.
Preferably, as an implementation mode, the screw shaft further has a worm rod part, the transmission assembly includes a worm wheel, a horizontal wheel shaft and the worm rod part, the driver is in transmission connection with the horizontal wheel shaft, the worm wheel is fixed on the horizontal wheel shaft, and the worm wheel is matched with the worm rod part.
Preferably, as an implementation mode, two first radial bearings are installed on the supporting frame, and two ends of the horizontal wheel shaft are respectively matched with the two first radial bearings.
Preferably, as an implementation mode, a second radial bearing is installed on the supporting frame, and the rotating shaft part is matched with the second radial bearing; and/or, an axial bearing is installed on the support frame, the screw shaft is provided with a boss extending towards the circumferential direction, and the table surface of the boss is matched with the bottom surface of the axial bearing.
Preferably, as an implementation mode, the bottom end of the screw shaft further has a limit block extending towards the circumferential direction, and the nut can block the limit block; and/or the driver is a servo motor or a manual crank.
Preferably, as an implementation mode, the supporting frame is connected with the equipment body through a first threaded connecting piece; and/or the base is provided with a bottom plate, and the bottom plate is connected with the foundation embedded plate through a second threaded connecting piece.
Preferably, as an implementation mode, the base has an inner cylinder, and the supporting frame has an outer cylinder, and the outer cylinder is sleeved outside the inner cylinder and is in sliding fit with the inner cylinder.
Preferably, as an implementation mode, the supporting frame further has a cover plate, the cover plate covers the top of the outer cylinder and is connected with the outer cylinder through a third threaded connector, and the cover plate is fixedly connected with the equipment body; and/or the cross sections of the outer cylinder and the inner cylinder are circular or polygonal.
Preferably, as an implementation mode, the lifting mechanism is multiple, and the multiple lifting mechanisms are uniformly distributed below the device body.
The utility model provides a flywheel energy storage equipment's beneficial effect is:
the utility model provides a flywheel energy storage equipment, mainly by equipment body and a plurality of elevating system, elevating system includes base, support frame, driver, drive assembly, lead screw axle and screw and constitutes, wherein, the base is fixed to be set up, support frame and equipment body fixed connection, the lead screw axle is vertical to be set up, and the lead screw axle has lead screw portion and pivot portion, pivot portion and support frame pin joint, lead screw portion and screw cooperation, screw and base fixed connection; the driver is connected with the screw rod shaft through the transmission assembly and is used for driving the screw rod shaft to rotate.
The driver works to drive the transmission assembly to operate, and the transmission assembly can transmit the power of the driver to the vertically arranged screw shaft and drive the screw shaft to rotate around a vertical axis; because the base is fixed, and the screw is fixedly connected with the base, so the screw shaft can lift relative to the base, and the support frame can synchronously lift along with the screw shaft, so the support frame can drive the equipment body to do lifting motion.
When the bearing at the lower end needs to be maintained, the driver can work, the support frame is utilized to drive the equipment body to rise, so that a certain maintenance space can be vacated below the equipment body, and thus, a worker can detach the bearing at the lower end of the equipment body through the maintenance space to maintain the bearing; after the maintenance work is completed, the driver can work again, so that the support frame is utilized to drive the equipment body to descend, the gravity center of the equipment body can descend, and the stability of the equipment in the using process is ensured.
Therefore, the utility model provides a flywheel energy storage equipment need not to borrow external machine, just can raise the equipment body, and environmental sensitivity is lower, does benefit to flywheel energy storage equipment's popularization and implementation, can not influence the stability of equipment in the use moreover.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a flywheel energy storage device provided in an embodiment of the present invention;
fig. 2 is a cross-sectional view of a lifting mechanism in a flywheel energy storage device according to an embodiment of the present invention.
Icon:
100-an apparatus body;
200-a lifting mechanism; 210-a base; 211-inner cylinder; 212-a backplane; 220-a support frame; 221-a first radial bearing; 222-a second radial bearing; 223-axial bearing; 224-outer barrel; 225-cover plate; 230-a driver; 240-screw shaft; 241-a screw part; 242-rotating shaft part; 243-boss; 244-a stop block; 250-a nut; 260-a first bevel gear; 270-a second bevel gear; 280-horizontal axle.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed 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.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Referring to fig. 1 and fig. 2, the present embodiment provides a flywheel energy storage device, which mainly comprises a device body 100 and a plurality of lifting mechanisms 200, where each lifting mechanism 200 includes a base 210, a support frame 220, a driver 230, a transmission assembly, a screw shaft 240 and a nut 250, where the base 210 is fixedly disposed, the support frame 220 is fixedly connected with the device body 100, the screw shaft 240 is vertically disposed, the screw shaft 240 has a screw portion 241 and a rotating shaft portion 242, the rotating shaft portion 242 is pivotally connected with the support frame 220, the screw portion 241 is matched with the nut 250, and the nut 250 is fixedly connected with the base 210; the driver 230 is connected to the screw shaft through a transmission assembly for driving the screw shaft to rotate.
The driver 230 is capable of driving a transmission assembly to operate, and the transmission assembly is capable of transmitting the power of the driver 230 to a vertically arranged screw shaft and driving the screw shaft to rotate around a vertical axis; because the base 210 is fixed and the nut 250 is fixedly connected to the base 210, the screw shaft moves up and down relative to the base 210, so that the supporting frame 220 can move up and down synchronously along with the screw shaft, and thus the supporting frame 220 can drive the apparatus body 100 to move up and down.
When the bearing at the lower end needs to be maintained, the driver 230 can work, and the support frame 220 is used for driving the equipment body 100 to rise, so that a certain maintenance space can be vacated below the equipment body 100, and thus, a worker can detach the bearing at the lower end of the equipment body 100 through the maintenance space to maintain the bearing; after the maintenance work is completed, the driver 230 can work again, so that the support frame 220 is utilized to drive the equipment body 100 to descend, the gravity center of the equipment body 100 can descend, and the stability of the equipment in the use process is ensured.
Therefore, the flywheel energy storage device provided by the embodiment can lift the device body 100 without using an external machine, has low environmental sensitivity, is beneficial to popularization and implementation of the flywheel energy storage device, and does not influence the stability of the device in the using process.
As an implementation manner, referring to fig. 2, in the specific structure of the transmission assembly, a first bevel gear 260, a second bevel gear 270 and a horizontal axle 280 are provided, and the driver 230 is in transmission connection with the horizontal axle 280, so that the driver 230 can drive the horizontal axle 280 to rotate around a horizontal axis; the first bevel gear 260 is fixed on the horizontal axle 280, so that the horizontal axle 280 can drive the first bevel gear 260 to rotate synchronously therewith; the first bevel gear 260 is engaged with the second bevel gear 270, and the second bevel gear 270 is fixed on the rotating shaft portion 242, so that the first bevel gear 260 can transmit power to the second bevel gear 270 to drive the second bevel gear 270 to rotate, and further, the second bevel gear 270 can drive the rotating shaft portion 242 of the screw shaft 240 to rotate synchronously with the rotating shaft portion, and therefore, the driver 230 can achieve a driving effect on the screw shaft 240.
As another possible embodiment, a worm part is provided in the specific structure of the screw shaft, a worm wheel, a horizontal axle 280 and the worm part are further provided in the specific structure of the transmission assembly, and the driver 230 is in transmission connection with the horizontal axle 280, so that the driver 230 can drive the horizontal axle 280 to rotate around the horizontal axis; the worm gear is fixed on the horizontal wheel shaft 280, so that the horizontal wheel shaft 280 can drive the worm gear to rotate synchronously with the worm gear; the worm wheel is engaged with the worm part, so that the worm wheel can transmit power to the worm part of the screw shaft 240 to drive the screw shaft 240 to rotate around its vertical axis, and thus, the driver 230 can realize a driving effect on the screw shaft 240.
Preferably, referring to fig. 2, two first radial bearings 221 may be mounted on the support frame 220, and two ends of the horizontal axle 280 are respectively engaged with the two first radial bearings 221, so that when the horizontal axle 280 rotates around its horizontal axis, the two first radial bearings 221 are interposed, which can reduce the wear of the support frame 220 and the horizontal axle 280, and facilitate prolonging the service life of the horizontal axle 280 and the support frame 220.
Referring to fig. 2, the second radial bearing 222 may be mounted on the support frame 220, and the rotating shaft 242 of the screw shaft 240 is matched with the second radial bearing 222, so that when the screw shaft 240 rotates around its vertical axis, the second radial bearing 222 is inserted, which can reduce the wear of the screw shaft 240 and the support frame 220, and facilitate prolonging the service life of the screw shaft 240 and the support frame 220.
In addition, referring to fig. 2, the axial bearing 223 may be mounted on the support frame 220, the boss 243 extending in the circumferential direction is disposed on the screw shaft 240, and the top surface of the boss 243 is matched with the bottom surface of the axial bearing 223, so that the top surface of the boss 243 can play a role of lifting the support frame 220, and the screw shaft 240 can drive the support frame 220 to be synchronous with the support frame when lifting; the screw shaft 240 can rotate around a vertical axis when lifting, and at the moment, the interference of the axial bearing 223 can reduce the abrasion of the screw shaft 240 and the support frame 220, so that the boss 243 of the screw shaft 240 can smoothly rotate relative to the support frame 220, and the service lives of the screw shaft 240 and the support frame 220 are conveniently prolonged.
In particular, a thrust ball bearing may be selected as the axial bearing 223.
Preferably, referring to fig. 2, a limit block 244 extending in the circumferential direction may be disposed at the bottom end of the screw shaft 240, and when the screw shaft 240 moves up to the limit position, the limit block 244 on the screw shaft 240 may contact the nut 250, and at this time, the nut 250 may block the limit block 244, so that the screw shaft 240 cannot rise further, and the screw shaft 240 may be prevented from being disengaged from the nut 250, which is better in safety.
The driver 230 may be configured as a servo motor or a manual crank, and when the servo motor is selected as the driver 230, the servo motor may be fixed to the support frame 220, and the output shaft of the servo motor is coaxially fixed to the horizontal axle 280, so that when the servo motor is started, the horizontal axle 280 can be driven to rotate around the horizontal axis by the servo motor; when the manual crank is selected, the center of the manual crank is fixed on the horizontal axle 280, so that when the manual crank is shaken, the horizontal axle 280 can be driven to rotate around the horizontal axis by the manual crank.
The supporting frame 220 is detachably connected to the apparatus body 100, so that the supporting frame 220 can be easily detached from the apparatus body 100 when it is needed, and can be installed on the apparatus body 100 again when it is needed, thereby facilitating the replacement of the supporting frame 220 and the individual transportation of the apparatus body 100.
Specifically, the first threaded connection member can be used to connect the support frame 220 to the device body 100, so that the detachable purpose can be achieved, and the stability of the support frame 220 connected to the device body 100 can be ensured.
Referring to fig. 2, a base plate 212 may be disposed on the base 210, and the base plate 212 and the pre-buried foundation plate are detachably connected, so that when the supporting frame 220 or the mobile device body 100 needs to be removed, the base plate 212 is smoothly removed from the pre-buried foundation plate, and can be installed again on the pre-buried foundation plate when installation is needed.
Specifically, the connection between the bottom plate 212 and the foundation embedded plate can be realized by using the second threaded connection piece, so that the detachable purpose can be realized, and the stability of the base 210 when being connected with the foundation embedded plate can be ensured.
Preferably, referring to fig. 2, an inner cylinder 211 may be provided in a specific structure of the base 210, and at the same time, an outer cylinder 224 is provided in a specific structure of the supporting bracket 220, the outer cylinder 224 can be sleeved outside the inner cylinder 211 and can be slidably fitted with the inner cylinder 211, so that, during the process of lifting the screw shaft 240, the wall of the inner cylinder 211 of the outer cylinder 224 can move against the wall of the outer cylinder 224 of the inner cylinder 211, that is, the inner cylinder 211 can guide the outer cylinder 224, and thus, the apparatus body 100 can move more smoothly.
Referring to fig. 2, a cover plate 225 may be further provided in the specific structure of the support bracket 220 to cover the top of the outer cylinder 224 by the cover plate 225, and the cover plate 225 and the outer cylinder 224 are connected by a third screw connection member to fixedly connect the cover plate 225 and the apparatus body 100.
The cross sections of the outer cylinder 224 and the inner cylinder 211 can be circular or polygonal, preferably polygonal, and when the cross sections of the outer cylinder 224 and the inner cylinder 211 are both polygonal, the outer cylinder 224 is not easy to rotate relative to the inner cylinder 211, and the structural stability is better.
Referring to fig. 1, in the flywheel energy storage device provided in this embodiment, a plurality of lifting mechanisms 200 may be disposed, and the plurality of lifting mechanisms 200 are uniformly distributed below the device body 100, so that the flywheel energy storage device is not prone to shaking, and stability of the flywheel energy storage device is improved.
To sum up, the utility model discloses a flywheel energy storage equipment, it has overcome a great deal of technical defect of traditional flywheel energy storage equipment. The embodiment of the utility model provides a flywheel energy storage equipment need not to borrow external machine, just can rise equipment body 100, and the environmental sensitivity is lower, does benefit to flywheel energy storage equipment's popularization and implementation, can not influence the stability of equipment in the use moreover.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The flywheel energy storage device is characterized by comprising a device body (100) and a plurality of lifting mechanisms (200), wherein each lifting mechanism (200) comprises a base (210), a support frame (220), a driver (230), a transmission assembly, a screw shaft (240) and a nut (250);
the base (210) is fixedly arranged, and the support frame (220) is fixedly connected with the equipment body (100); the screw shaft (240) is vertically arranged, the screw shaft (240) is provided with a screw part (241) and a rotating shaft part (242), the rotating shaft part (242) is pivoted with the supporting frame (220), the screw part (241) is matched with the screw nut (250), and the screw nut (250) is fixedly connected with the base (210); the driver (230) is connected with the screw shaft (240) through the transmission assembly and is used for driving the screw shaft (240) to rotate.
2. The flywheel energy storage device according to claim 1, wherein the transmission assembly comprises a first bevel gear (260), a second bevel gear (270) and a horizontal axle (280), the driver (230) is in transmission connection with the horizontal axle (280), the first bevel gear (260) is fixed on the horizontal axle (280), the second bevel gear (270) is fixed on the rotating shaft portion (242), and the first bevel gear (260) is engaged with the second bevel gear (270).
3. The flywheel energy storage device according to claim 1, wherein the screw shaft (240) further has a worm part, the transmission assembly comprises a worm wheel, a horizontal axle (280) and the worm part, the driver (230) is in transmission connection with the horizontal axle (280), the worm wheel is fixed on the horizontal axle (280), and the worm wheel is engaged with the worm part.
4. A flywheel energy storage device according to claim 2 or 3, characterized in that two first radial bearings (221) are mounted on the support frame (220), and two ends of the horizontal axle (280) are respectively fitted with the two first radial bearings (221).
5. A flywheel energy storage device according to any of claims 1 to 3, characterized in that a second radial bearing (222) is mounted on the support frame (220), the rotating shaft portion (242) being fitted with the second radial bearing (222);
and/or an axial bearing (223) is mounted on the support frame (220), the screw shaft (240) is provided with a boss (243) extending towards the circumferential direction, and the table surface of the boss (243) is matched with the bottom surface of the axial bearing (223).
6. The flywheel energy storage device according to any of claims 1-3, characterized in that the bottom end of the screw shaft (240) further has a stopper (244) extending in the circumferential direction, and the nut (250) can block the stopper (244);
and/or the driver (230) is a servo motor or a manual crank.
7. A flywheel energy storage device according to any of claims 1 to 3, characterized in that the support frame (220) is connected to the device body (100) by a first threaded connection;
and/or the base (210) is provided with a bottom plate (212), and the bottom plate (212) is connected with the foundation embedded plate through a second threaded connection.
8. A flywheel energy storage device according to any of claims 1 to 3, characterized in that the base (210) has an inner cylinder (211) and the support frame (220) has an outer cylinder (224), the outer cylinder (224) fitting over the inner cylinder (211) and being in sliding engagement with the inner cylinder (211).
9. The flywheel energy storage device according to claim 8, wherein the support frame (220) further has a cover plate (225), the cover plate (225) covers the top of the outer cylinder (224) and is connected with the outer cylinder (224) through a third threaded connection, and the cover plate (225) is fixedly connected with the device body (100);
and/or the cross sections of the outer cylinder (224) and the inner cylinder (211) are circular or polygonal.
10. A flywheel energy storage device according to any of claims 1-3, characterized in that said lifting mechanism (200) is plural and that said lifting mechanisms (200) are evenly distributed below said device body (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022160669.0U CN212811477U (en) | 2020-09-27 | 2020-09-27 | Flywheel energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022160669.0U CN212811477U (en) | 2020-09-27 | 2020-09-27 | Flywheel energy storage device |
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| Publication Number | Publication Date |
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| CN212811477U true CN212811477U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022160669.0U Active CN212811477U (en) | 2020-09-27 | 2020-09-27 | Flywheel energy storage device |
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| CN (1) | CN212811477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113569449A (en) * | 2021-07-13 | 2021-10-29 | 内蒙古工业大学 | Method, equipment and medium for optimizing finite element model of motor for flywheel energy storage |
-
2020
- 2020-09-27 CN CN202022160669.0U patent/CN212811477U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113569449A (en) * | 2021-07-13 | 2021-10-29 | 内蒙古工业大学 | Method, equipment and medium for optimizing finite element model of motor for flywheel energy storage |
| CN113569449B (en) * | 2021-07-13 | 2023-06-20 | 内蒙古工业大学 | Method, equipment and medium for optimizing finite element model of motor for flywheel energy storage |
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