CN109484373B - Platform device and power changing station - Google Patents
Platform device and power changing station Download PDFInfo
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- CN109484373B CN109484373B CN201811009567.XA CN201811009567A CN109484373B CN 109484373 B CN109484373 B CN 109484373B CN 201811009567 A CN201811009567 A CN 201811009567A CN 109484373 B CN109484373 B CN 109484373B
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- 230000006835 compression Effects 0.000 claims description 10
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- 230000005484 gravity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- 230000001502 supplementing effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/06—Supplying batteries to, or removing batteries from, vehicles
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Abstract
The application discloses platform device and trade power station. The platform device comprises: a first platform disposed along a first direction; a second platform placed along the first direction, wherein the second platform is used for bearing the object, and the relative position of the second platform and the first platform in the first direction can be adjusted; and the power-assisted mechanism is arranged between the first platform and the second platform, and can provide support for the second platform in the second direction through the power-assisted mechanism. The platform arrangement according to the invention enables a reduction of the centering force of the second platform.
Description
Technical Field
The invention relates to the field of machinery, in particular to a platform device and a power changing station with the same.
Background
The battery replacement is a way for quickly supplementing energy to an electric automobile, and specifically, a power battery of the automobile is taken down through a battery replacement device, and another group of power batteries is replaced immediately. The power station is a place for realizing the replacement of the power battery of the automobile. One of the main challenges of battery replacement technology is the positioning of battery replacement equipment with a vehicle and a battery. This is because: after the positioning is finished, the battery replacing equipment can execute the battery replacing action to finish the separation and installation of the battery and the vehicle, namely finish the locking and unlocking operation of a fastening device connected between the battery and the vehicle; the position of each automobile entering the battery replacement station is not consistent, the battery replacement equipment needs to have the capability of coping with the uncertainty, if the initial positioning of the automobile relative to the battery replacement station is completed in the modes of a guide rail, a tire pushing mode and the like in design, the positioning often cannot reach higher positioning precision due to factors such as manufacturing tolerance of an automobile body and a battery, different tire pressures, chassis suspension deviation and the like, and the success rate and the reliability of battery replacement cannot be guaranteed.
There is a swapping platform that includes a floating platform and a fixed platform. In the process of unloading the battery from the automobile, firstly, the floating platform adjusts the position in the horizontal direction relative to the fixed platform, so that the floating platform can be accurately positioned with the battery; the floating platform then descends with the battery, while the hydro-electric joint between the battery and the vehicle body, which is susceptible to damage due to the relative movements that may occur between the floating platform and the fixed platform, has not been broken.
Therefore, it is necessary to sufficiently study the existing problems or disadvantages including the above-mentioned cases so as to improve them.
Disclosure of Invention
The invention provides a platform device which can reduce the centering force of a second platform.
According to an aspect of the present invention, there is provided a stage apparatus, comprising:
a first platform disposed along a first direction;
a second platform placed along the first direction, wherein the second platform is used for bearing the object, and the relative position of the second platform and the first platform in the first direction can be adjusted; and
the power-assisted mechanism is arranged between the first platform and the second platform, and the second platform can be supported in the second direction through the power-assisted mechanism.
According to the platform device provided by one aspect of the invention, the power assisting mechanism is an elastic mechanism.
According to a stage apparatus provided in one aspect of the present invention, the elastic mechanism includes:
a sleeve supported on the first platform;
a spring, a first end of said spring supported in said sleeve; and
a support block for supporting the second platform, the support block abutting the second end of the spring.
According to the platform device provided by one aspect of the invention, the supporting block has an upper end in contact with the second platform, and the upper end is configured as a spherical surface.
According to one aspect of the present invention, the support block has an upper end contacting the second platform, and the upper end includes balls, and the balls are capable of freely rotating relative to the upper end.
According to the platform device provided by the aspect of the invention, the supporting block is provided with a lower end on the side, facing away from the spring, of the sleeve, and the compression amount of the spring is adjusted by adjusting the position of the lower end relative to the sleeve.
According to one aspect of the invention, the lower end is provided with an external thread, the platform device comprises a nut having an internal thread matching the external thread of the lower end, the nut abuts against the sleeve, and the compression amount of the spring is adjusted by adjusting the nut.
According to one aspect of the present invention, the support block has a connecting section connecting the upper end and the lower end, the connecting section extending through an inside of the spring.
According to the platform device provided by one aspect of the invention, the platform device further comprises a connecting piece arranged between the first platform and the second platform, the connecting piece can rotate relative to the first platform, the connecting piece can rotate relative to the second platform, and the relative position of the second platform and the first platform in the first direction can be adjusted through the connecting piece.
According to an aspect of the present invention, there is provided a stage apparatus, further comprising: an article positioning pin for defining a position of the second platform relative to the article; and a vehicle body positioning pin for defining a position of the second platform relative to the vehicle body.
According to the platform device provided by one aspect of the invention, the object is a battery, and the platform device is a battery replacement platform for loading and unloading the battery.
According to the platform device provided by one aspect of the invention, the first direction is a horizontal direction, and the second direction is a vertical direction.
Furthermore, the invention proposes a power station with such a platform device. Since the power exchanging station is provided with the platform device, the power exchanging station can have the advantages as described above.
The beneficial effects of the invention include: the elastic mechanism arranged between the first platform and the second platform is used for reducing the centering force in the horizontal direction generated by the offset of the second platform and the first platform, so that the damage of the second platform and the connecting part of the object and the vehicle body caused by the excessive centering force of the second platform is avoided.
Drawings
The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:
fig. 1 schematically shows a structural schematic diagram of a power swapping platform according to an embodiment of the present invention;
fig. 2 schematically shows a structural schematic diagram of a power swapping platform according to another embodiment of the present invention.
Detailed Description
It is easily understood that according to the technical solution of the present invention, a person skilled in the art can propose various alternative structures and implementation ways without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
In the following description, various parameters and components are described for different configurations of embodiments, and these specific parameters and components are only by way of example and do not limit the embodiments of the present application.
An embodiment according to the invention is shown in connection with fig. 1, where it can be seen that: the platform device comprises: a first stage 1 placed in a first direction; a second platform 2 placed along the first direction, wherein the second platform 2 is used for bearing articles, and the relative position of the second platform 2 and the first platform 1 in the first direction can be adjusted; and the power assisting mechanism 3 is arranged between the first platform 1 and the second platform 2, and the power assisting mechanism 3 can provide support for the second platform in the second direction, so that the force loading of the second platform 2 in the second direction is reduced. Illustratively, the object is a battery in the embodiment, and the platform device is a battery replacement platform for loading and unloading the battery in the embodiment, and those skilled in the art should understand that: the object is not limited to a battery, but may be goods, workpieces, or the like; the platform device is not limited to the battery replacement platform. The boosting mechanism is an elastic mechanism in the embodiment, and it should be understood by those skilled in the art that the boosting mechanism may be other mechanisms for realizing boosting function. For example, the first direction is a horizontal direction and the second direction is a vertical direction.
A centering mechanism is provided between the second platform 2 and the first platform 1, so that the second platform 2 can adjust the position in the first direction relative to said first platform 1, in order to accurately position the second platform 2 with the battery to be carried, and after the battery has been placed on the second platform 2, the second platform 2 can return under the influence of gravity into the initial position. Such a force that returns the second stage 2 to the initial position due to the offset between the second stage 2 and the first stage 1 is referred to as a "centering force". The centering mechanism may be arranged such that the centering force is generated by the weight of the second platform 2 and the battery carried thereon (if present), and the greater the weight, the greater the centering force.
The centering force in the first direction generated by the offset of the second platform 2 and the first platform 1 is reduced by the elastic mechanism 3 arranged between the first platform 1 and the second platform 2, so that the damage of the second platform 2 and the connection part of the battery and the vehicle body caused by the overlarge centering force of the second platform 2, such as the damage of the hydro-electric connector of the battery caused by the overlarge centering force when the second platform 2 unloads the battery from the vehicle body, or the damage of the positioning pin and the positioning hole between the second platform 2 and the vehicle body when the second platform 2 loads the battery on the vehicle body, is avoided.
The aforementioned "force loading in the second direction" includes a force due to the gravity of the second platform 2 itself or, in the case where the second platform 2 is loaded with the battery, the gravity of the second platform 2 and the battery.
The elastic mechanism 3 includes: a sleeve 31 supported on the first platform 1; a spring 32, a first end 321 of said spring 32 being supported in said sleeve 31; and a support block 33 for supporting the second platform 2, the support block 33 abutting against the second end 322 of the spring 32. The sleeve 31 may also be fixedly connected to the first platform 1. Furthermore, the sleeve 31 may also serve to guide the direction of compression or extension of the spring 32.
The support block 33 has an upper end 331 that is in contact with the second platform 2, the upper end 331 being configured as a spherical surface. Here, it should be noted that: in one aspect, the term "spherical surface" is not limited to a complete sphere, but may have only partial spherical surfaces; on the other hand, "spherical" does not mean a standard spherical ball, for example, an ellipsoid or a football shape is also possible. The upper end 331 configured as a spherical surface can facilitate smooth sliding between the support block 33 and the second stage 2 so that the second stage 2 can smoothly move in the first direction with respect to the first stage 1. By configuring the upper end as a spherical surface, the contact area between the support block and the second stage can be reduced, thereby reducing the resistance to movement of the second stage in the first direction.
According to another embodiment of the invention, shown with reference to fig. 2, the support block 33 has an upper end 331 in contact with the second platform 2, the upper end 331 comprising balls 332, the balls 332 being free to rotate with respect to the upper end 331. The rolling friction between the balls and the second platform can reduce the friction force between the balls and the second platform, thereby reducing the resistance of the second platform moving in the first direction.
The support block 33 may have a lower end 333 on a side of the sleeve 31 facing away from the spring 32 (i.e., a lower side in fig. 1), and the amount of compression of the spring 32 is adjusted by adjusting a position of the lower end 333 relative to the sleeve 31. The amount of compression of the spring 32 can be designed according to the mass of the second platform 2 and the battery to be loaded. When the mass of the battery to be loaded is large, the amount of compression of the spring 32 can be increased, thereby counteracting the increased centering force due to the increased mass of the battery. Through the design that the compression amount of the spring 32 is adjustable, the universality of the battery replacement platform is improved.
The lower end 333 is provided with an external thread, the battery replacement platform comprises a nut 4, the nut 4 is provided with an internal thread matched with the external thread of the lower end 333, the nut 4 abuts against the sleeve 31, and the compression amount of the spring 32 is adjusted by adjusting the nut 4. The adjusting mode of the nut 4 is used, the structure is simple, the adjustment is convenient, the operation is reliable, the self-locking of the external thread and the internal thread can be utilized to realize the locking of the adjustment amount, and no other locking mechanism is needed.
The support block 33 has a connecting section 334 connecting the upper end 331 and the lower end 333, the connecting section 334 extending through the interior of the spring 32. The arrangement structure is compact, and the space is saved.
The electrical swapping platform may further comprise a connecting member (i.e. the aforementioned "centering mechanism") disposed between the first platform 1 and the second platform 2, the connecting member being capable of rotating relative to the first platform 1 and the connecting member being capable of rotating relative to the second platform 2, and a relative position of the second platform 2 to the first platform 1 in the first direction being adjustable by the connecting member (in this regard, the second platform 2 may also be referred to as a "floating platform", i.e. the second platform 2 may be capable of "floating"). By means of the connection provided between the first platform 1 and the second platform 2, the second platform 2 is enabled to adjust the position in the first direction relative to said first platform 1, thereby accurately positioning the second platform 2 with the battery, and after the battery has been placed on the second platform 2, the second platform 2 can return under the influence of gravity into the initial position, thereby accurately defining the position of the battery relative to the first platform 1. The connecting element is for example a chain or a wire rope.
The battery swapping platform may further include: a battery positioning pin for defining the position of the second platform 2 relative to the battery; and a body positioning pin for defining the position of the second platform 2 relative to the body.
With the battery swapping platform according to the present invention, an exemplary battery swapping process of an automobile in a battery swapping station is as follows: 1. the vehicle drives into the power exchanging station to finish coarse positioning and lifting; 2. jacking the second platform 2 to enable the battery positioning pin to enter the positioning hole on the battery, adjusting the second platform 2 to an accurate positioning position in the jacking process, and eliminating the position deviation between the fixed platform and the vehicle body by utilizing the floating of the second platform 2; 3. loosening a fastening bolt between the battery and the vehicle body, wherein the battery is borne on the second platform 2; the battery descends along with the battery replacement platform, and the gravity of the battery and the second platform 2 is counteracted through the elastic mechanism 3, so that the damage of a water and electricity joint caused by excessive centering force is avoided; 4. the water and electricity joint between the battery and the vehicle body is disconnected, and the old battery is disassembled; 5. the old battery which is disassembled is transported out, a new battery is docked, and the new battery and the second platform 2 are accurately positioned through the battery positioning pin on the second platform 2 and the positioning hole on the new battery; 6. the vehicle body positioning pin on the second platform 2 extends out, the new battery ascends along with the battery replacement platform, and the second platform 2 and the vehicle body are positioned through the vehicle body positioning pin on the second platform 2 and the positioning hole on the vehicle body; the gravity of the battery and the second platform 2 is offset by the elastic mechanism 3, so that the abrasion or overload of a positioning pin of the vehicle body and a positioning hole on the vehicle body caused by excessive centering force is avoided; 7. jacking a new battery to lock and fasten; 8. after the fastening is determined to be completed, the battery replacement platform descends and is separated from the new battery; 9. the vehicle descends and exits the power exchanging station.
The present invention further includes a power swapping station with the platform device according to any one or more of the foregoing embodiments, and therefore the technical features and technical effects thereof correspond to the foregoing description, and therefore, the details thereof are not repeated herein.
It should be understood that the technical term "battery" as used herein includes, but is not limited to, batteries, battery packs, and the like used to power a vehicle.
The technical scope of the present invention is not limited to the above description, and those skilled in the art can make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present invention, and such changes and modifications should fall within the protective scope of the present invention.
Claims (11)
1. A platform arrangement, characterized in that the platform arrangement comprises:
a first platform (1) placed in a first direction;
a second platform (2) placed along the first direction, wherein the second platform (2) is used for bearing articles, and the relative position of the second platform (2) and the first platform (1) in the first direction can be adjusted;
a centering mechanism is arranged between the second platform (2) and the first platform (1), so that the second platform (2) can adjust the position relative to the first platform (1) in the first direction; and
set up first platform (1) with assist drive device (3) between second platform (2), through assist drive device (3) can provide the support to the second platform in the second direction, assist drive device is elastic mechanism, elastic mechanism (3) include:
a sleeve (31) supported on the first platform (1);
a spring (32), a first end (321) of the spring (32) being supported in the sleeve (31); and
a support block (33) for supporting the second platform (2), the support block (33) abutting against the second end (322) of the spring (32).
2. Platform device according to claim 1, characterized in that the support block (33) has an upper end (331) in contact with the second platform (2), the upper end (331) being configured as a spherical surface.
3. A platform arrangement according to claim 1, characterised in that the support block (33) has an upper end (331) in contact with the second platform (2), the upper end (331) comprising balls (332), the balls (332) being freely rotatable relative to the upper end (331).
4. A platform arrangement according to claim 2 or 3, characterised in that the support block (33) has a lower end (333) on the side of the sleeve (31) facing away from the spring (32), the amount of compression of the spring (32) being adjusted by adjusting the position of the lower end (333) relative to the sleeve (31).
5. A platform device according to claim 4, characterised in that the lower end (333) is provided with an external thread, the platform device comprising a nut (4), the nut (4) having an internal thread cooperating with the external thread of the lower end (333), the nut (4) abutting against the sleeve (31), the amount of compression of the spring (32) being adjusted by adjusting the nut (4).
6. A platform arrangement according to claim 4, characterised in that the support block (33) has a connecting section (334) connecting the upper end (331) with the lower end (333), the connecting section (334) extending through the interior of the spring (32).
7. A platform arrangement according to claim 1, characterised in that the platform arrangement further comprises a connection arranged between the first platform (1) and the second platform (2), which connection is rotatable relative to the first platform (1) and which connection is rotatable relative to the second platform (2), by means of which connection the relative position of the second platform (2) in the first direction to the first platform (1) can be adjusted.
8. The platform device according to claim 1, further comprising: -an article positioning pin for defining the position of the second platform (2) relative to the article; and a body positioning pin for defining the position of the second platform (2) relative to the body.
9. The platform device of claim 1, wherein the object is a battery and the platform device is a battery replacement platform for loading and unloading the battery.
10. The platform assembly of claim 1, wherein the first direction is a horizontal direction and the second direction is a vertical direction.
11. A power station, characterized in that it comprises a platform device according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009567.XA CN109484373B (en) | 2018-08-31 | 2018-08-31 | Platform device and power changing station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009567.XA CN109484373B (en) | 2018-08-31 | 2018-08-31 | Platform device and power changing station |
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| Publication Number | Publication Date |
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| CN109484373A CN109484373A (en) | 2019-03-19 |
| CN109484373B true CN109484373B (en) | 2022-05-03 |
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| CN201811009567.XA Active CN109484373B (en) | 2018-08-31 | 2018-08-31 | Platform device and power changing station |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106926825B (en) * | 2016-11-17 | 2019-10-15 | 蔚来汽车有限公司 | Floating alignment device and method for battery replacement device |
| CN206231367U (en) * | 2016-11-17 | 2017-06-09 | 蔚来汽车有限公司 | For the spring assembly of floating platform |
| CN111347920A (en) * | 2016-12-30 | 2020-06-30 | 上海电巴新能源科技有限公司 | Battery changing platform, battery changing mobile platform, quick changing system and battery changing method |
| CN207579841U (en) * | 2017-10-30 | 2018-07-06 | 蔚来汽车有限公司 | Spring hanging chain floating installation and battery changing trolley |
| CN207496653U (en) * | 2017-11-02 | 2018-06-15 | 蔚来汽车有限公司 | Floating docking facilities, electricity changing robot |
| CN107719330B (en) * | 2017-11-02 | 2021-03-19 | 蔚来(安徽)控股有限公司 | Reset mechanism for floating battery replacement device, floating battery replacement device and battery replacement method |
| CN108058688B (en) * | 2017-11-07 | 2020-09-22 | 上海蔚来汽车有限公司 | Floating type alignment vehicle-mounted storage battery automatic battery replacement station |
| CN208978817U (en) * | 2018-08-31 | 2019-06-14 | 蔚来汽车有限公司 | Stage apparatus and electrical changing station |
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