CN112086590A - Electric automobile battery, tightening mechanism and battery installation method - Google Patents
Electric automobile battery, tightening mechanism and battery installation method Download PDFInfo
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- CN112086590A CN112086590A CN201910448297.0A CN201910448297A CN112086590A CN 112086590 A CN112086590 A CN 112086590A CN 201910448297 A CN201910448297 A CN 201910448297A CN 112086590 A CN112086590 A CN 112086590A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000009434 installation Methods 0.000 title abstract description 11
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/069—Multi-spindle machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/53—Batteries
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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
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides an electric vehicle battery and an installation method thereof, wherein the electric vehicle battery comprises a plurality of bolt holes which are arranged along the X direction and are positioned on the same straight line, every two bolt holes form a group, the distance between every two bolt holes of each group is I, the distance between every two adjacent groups is X1, X2 and X3.. The invention also provides a tightening mechanism which comprises two tightening shafts, an X-direction servo mechanism, a Y-direction servo mechanism and a Z-direction servo mechanism, wherein the two tightening shafts are parallel to each other and extend along the Z direction, the X-direction distance of the two tightening shafts is I, the two tightening shafts can move along the X direction, the Y direction and the Z direction under the action of the X-direction servo mechanism, the Y-direction servo mechanism and the Z-direction servo mechanism, and after the two tightening shafts are positioned, the two tightening shafts can drive the bolt to rotate and tighten the bolt.
Description
Technical Field
The invention relates to the field of electric automobiles, in particular to an electric automobile battery, a screwing mechanism and a battery installation method.
Background
For the installation of the battery and the automobile body of the electric automobile, in the prior art, the connecting bolt of the battery and the automobile body is usually screwed up manually through a manual tool, so that time and labor are wasted, the production efficiency is low, and the automation of the installation of the battery and the automobile body cannot be realized.
In addition, the positions and the number of bolt holes for connection with the vehicle body on the battery are different due to the difference in the capacity size and the outer shape design of the battery, which results in that it is difficult for the conventional automatic tightening apparatus to be compatible with more than three battery types.
Disclosure of Invention
The invention aims to provide an electric vehicle battery, a tightening mechanism and an electric vehicle battery mounting method, which can realize mounting of various battery types through a set of automatic tightening mechanism.
The invention provides an electric vehicle battery which comprises a plurality of bolt holes which are arranged along the X direction and are positioned on the same straight line, wherein every two bolt holes are in one group, the distance between every two bolt holes in each group is I, the distance between every two adjacent groups is X1, X2 and X X3.. Xn in sequence, n is a natural number, and the size of X1, X2 and X X3.. Xn is adjustable.
Furthermore, the battery of the electric automobile also comprises a plurality of bolt holes which are arranged along the X direction and are positioned on the other straight line, the two rows of bolt holes are axially symmetrical by taking the X axis as a symmetrical axis, and the distance between the two rows of bolt holes in the Y direction is adjustable.
The invention further provides a tightening mechanism which comprises two tightening shafts, an X-direction servo mechanism, a Y-direction servo mechanism and a Z-direction servo mechanism, wherein the two tightening shafts are parallel to each other and extend along the Z direction, the X-direction distance between the two tightening shafts is I, the two tightening shafts can move along the X direction, the Y direction and the Z direction under the action of the X-direction servo mechanism, the Y-direction servo mechanism and the Z-direction servo mechanism, and after the two tightening shafts are positioned, the two tightening shafts can drive the bolt to rotate and tighten the bolt.
Further, the invention also provides an electric vehicle battery installation method, which comprises the following steps:
aligning the electric vehicle battery and the vehicle body, and matching bolt holes on the electric vehicle battery with bolt holes on the vehicle body;
arranging bolts under bolt holes of the electric vehicle battery and bolt holes of a vehicle body;
according to a preset program, two tightening shafts of the tightening mechanism move along the X direction, the Y direction and the Z direction under the action of an X-direction servo mechanism, a Y-direction servo mechanism and a Z-direction servo mechanism and move to a position right below a first group of two bolt holes;
two tightening shafts Z ascend and rotate, and the two tightening shafts tighten two bolts right below the first group of two bolt holes and complete first automatic tightening;
according to a preset program, the two tightening shafts are lowered and moved by a distance X1 along the X direction under the action of the X-direction servo mechanism, and the two tightening shafts are moved to be right below the two bolt holes of the second group;
two tightening shafts Z ascend and rotate, and the two tightening shafts tighten two bolts right below the two bolt holes of the second group and complete second automatic tightening;
...
according to a preset program, two tightening shafts are lowered and moved by a distance Xn along the X direction under the action of an X-direction servo mechanism, and the two tightening shafts are moved to be right below two bolt holes of the (n + 1) th group;
and two tightening shafts Z ascend and rotate, and the two tightening shafts tighten two bolts right below the two bolt holes of the (n + 1) th group and finish the (n + 1) th automatic tightening.
Furthermore, the battery of the electric automobile further comprises a plurality of bolt holes which are arranged along the X direction and are positioned on the other straight line, the two rows of bolt holes are axially symmetrical by taking the X axis as a symmetrical axis, the distance between the two rows of bolt holes in the Y direction is adjustable, and after the first row of bolts are screwed up, the screwing mechanism moves to the position below the second row of bolt holes according to a preset program and repeats the synchronous steps to complete the screwing up of the second row of bolts.
Further, when the battery of the electric automobile and the automobile body are aligned, the automobile body is lifted to a preset position by using the chassis lifting appliance, so that the alignment of the battery of the electric automobile and the automobile body is completed.
Further, when the battery of the electric automobile and the automobile body are aligned, the battery of the electric automobile is arranged above the tray driven by the chain bed, and the chain bed drives the tray and the battery of the electric automobile to a preset position so as to complete the alignment of the battery of the electric automobile and the automobile body.
Furthermore, a plurality of fixing holes are formed in the tray at positions right below the bolt holes corresponding to the plurality of electric automobile batteries, a connecting rod is inserted into each fixing hole, the upper end of each connecting rod is connected with a bolt, and the lower end of each connecting rod is matched with two tightening shafts.
Furthermore, a bearing is installed in each fixing hole, the outer ring of the bearing is fixedly connected with the inner wall of the fixing hole, and a connecting rod is inserted into the inner ring of the bearing.
The invention also provides an electric vehicle battery installation method, which comprises the following steps:
moving the electric vehicle battery to a preset position;
arranging bolts under bolt holes of the batteries of the electric automobile;
according to a preset program, two tightening shafts of the tightening mechanism move along the X direction, the Y direction and the Z direction under the action of an X-direction servo mechanism, a Y-direction servo mechanism and a Z-direction servo mechanism and move to a position right below a first group of two bolt holes;
moving the vehicle body, and aligning the vehicle body and the electric vehicle battery in a mode that bolt holes on the electric vehicle battery are matched with bolt holes on the vehicle body;
two tightening shafts Z ascend and rotate, and the two tightening shafts tighten two bolts right below the first group of two bolt holes and complete first automatic tightening;
according to a preset program, the two tightening shafts are lowered and moved by a distance X1 along the X direction under the action of the X-direction servo mechanism, and the two tightening shafts are moved to be right below the two bolt holes of the second group;
two tightening shafts Z ascend and rotate, and the two tightening shafts tighten two bolts right below the two bolt holes of the second group and complete second automatic tightening;
...
according to a preset program, two tightening shafts are lowered and moved by a distance Xn along the X direction under the action of an X-direction servo mechanism, and the two tightening shafts are moved to be right below two bolt holes of the (n + 1) th group;
and two tightening shafts Z ascend and rotate, and the two tightening shafts tighten two bolts right below the two bolt holes of the (n + 1) th group and finish the (n + 1) th automatic tightening.
In summary, the electric vehicle battery provided by the invention includes a plurality of bolt holes arranged along the X direction and located on the same straight line, each two bolt holes are in one group, the distance between two bolt holes of each group is I, the distance between every two adjacent groups is X1, X2, X3... Xn, and the size of X1, X2, X3... Xn is adjustable, so the number of bolt holes and the size of X1, X2, X3... Xn can be changed according to the capacity and shape of the battery, and the distance between two bolt holes of each group is equal, so that a set of automatic tightening mechanism can be used, and the automatic tightening mechanism is moved by the distance of X1, X2, X3... Xn each time, so as to achieve automatic tightening of different types of electric vehicle batteries.
Drawings
FIG. 1 is a schematic structural diagram of an electric vehicle battery according to an embodiment of the present invention
FIG. 2 is a perspective view of a tightening mechanism according to an embodiment of the present invention
FIG. 3 is a schematic view illustrating the fixing of the battery and the body of the electric vehicle by the method for installing the battery of the electric vehicle according to the embodiment of the invention
FIG. 4 is a schematic view illustrating an electric vehicle battery and a vehicle body being fixed by using an electric vehicle battery mounting method according to another embodiment of the present invention
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
It is noted that in this patent, the X-direction and the Y-direction are two mutually perpendicular directions in a horizontal plane, and the Z-direction is a vertical direction.
The invention provides an electric vehicle battery, as shown in fig. 1, an electric vehicle battery 2 according to an embodiment of the invention includes a plurality of bolt holes 1 arranged along the X direction and located on the same straight line, and a plurality of bolt holes 1 arranged along the X direction and located on another straight line. The two rows of bolt holes 1 are axisymmetrical with the X axis as a symmetry axis, and the Y-direction distance between the two rows of bolt holes 1 is adjustable. Every two bolt holes 1 in each row are in one group, the distance between every two bolt holes in each group is I, the distance between every two adjacent groups is X1, X2 and X3.. X1, X2, X3.. The number of bolt holes, the Y-direction spacing between two rows of bolt holes, and the size of X1, X2, X3... Xn can be determined according to the capacity and shape of the battery 2, for example, when the capacity of the battery 2 is large, the weight and volume of the battery 2 increase, the number of bolt holes 1 needs to be increased correspondingly to realize the installation of the battery, and the size of X1, X2, X3... Xn and the Y-direction spacing between two rows of bolt holes can be adjusted correspondingly.
The present invention also provides a tightening mechanism, and as shown in fig. 2, a tightening mechanism 10 according to an embodiment of the present invention includes two tightening shafts 11, an X-direction servo 12, a Y-direction servo 13, and a Z-direction servo 14. The two tightening shafts 11 extend parallel to each other in the Z direction, and the X-direction pitch of the two tightening shafts 11 is I, that is, the X-direction pitch of the two tightening shafts is equal to the distance between the two bolt holes 1 of each of the above-mentioned groups. The two tightening shafts are movable in the X, Y, and Z directions by the X-direction servo 12, the Y-direction servo 13, and the Z-direction servo 14. After the two tightening shafts are positioned, the bolt can be driven to rotate and be tightened. Further, the end of the tightening shaft for contact with the bolt is provided with a floating mechanism by which the tightening shaft has a floating amount of ± 2mm in the XY plane, thereby facilitating alignment of the tightening shaft 11 and the bolt.
The invention further provides an electric vehicle battery installation method, please refer to fig. 3, the electric vehicle battery installation method according to an embodiment of the invention may include the following steps:
aligning an electric vehicle battery 2 and a vehicle body 3 shown in fig. 1, so that a bolt hole 1 on the electric vehicle battery is matched with a bolt hole on the vehicle body, specifically, a chassis lifting tool 7 can be used for lifting the vehicle body to a preset position, the electric vehicle battery 2 is arranged above a tray 5 driven by a chain bed 4, and the chain bed 4 drives the tray 5 and the electric vehicle battery 2 to the preset position, so as to complete the alignment of the electric vehicle battery 2 and the vehicle body 3;
arranging bolts 8 under bolt holes of batteries of electric vehicles and bolt holes of vehicle bodies, specifically, arranging a plurality of fixing holes 51 under bolt holes 1 of a plurality of batteries of electric vehicles corresponding to a tray 5, installing a bearing in each fixing hole 51 to fixedly connect the outer ring of the bearing with the inner wall of the fixing hole 51, inserting a connecting rod 6 into the inner ring of the bearing, connecting the bolts 8 at the upper end of the connecting rod 6, and using the lower end of the connecting rod to be matched with two tightening shafts 11;
according to a preset program, two tightening shafts 11 of the tightening mechanism 10 shown in fig. 2 are moved in the X direction, the Y direction and the Z direction under the action of an X-direction servo mechanism, a Y-direction servo mechanism and a Z-direction servo mechanism, and are moved to be directly below a first group of two bolt holes, specifically, vehicle body configuration information such as the vehicle body chassis height, the number of the vehicle body bolt holes, gaps and the like can be acquired from an information acquisition system server, and a controller of the tightening mechanism controls the X-direction servo mechanism, the Y-direction servo mechanism and the Z-direction servo mechanism to work according to the acquired vehicle body configuration information, so that the two tightening shafts 11 are moved to be directly below the first group of two bolt holes;
the two tightening shafts rise and rotate in the Z direction under the preset tightening program, the two tightening shafts are in contact with the lower end of the connecting rod to drive the two bolts at the upper end of the connecting rod to rise and rotate, so that the two bolts right below the first group of two bolt holes are tightened, and the first automatic tightening is completed;
according to a preset program, the two tightening shafts are lowered and moved by a distance X1 along the X direction under the action of the X-direction servo mechanism, and the two tightening shafts are moved to be right below the two bolt holes of the second group;
the two tightening shafts Z rise upwards and rotate, and the two tightening shafts are contacted with the lower end of the connecting rod to drive the two bolts at the upper end of the connecting rod to rise and rotate, so that the two bolts right below the two bolt holes of the second group are tightened, and the second automatic tightening is completed;
...
according to a preset program, two tightening shafts are lowered and moved by a distance Xn along the X direction under the action of an X-direction servo mechanism, and the two tightening shafts are moved to be right below two bolt holes of the (n + 1) th group;
the two tightening shafts Z rise upwards and rotate, the two tightening shafts are in contact with the lower end of the connecting rod, and the two bolts at the upper end of the connecting rod are driven to rise and rotate, so that the two bolts right below the two bolt holes of the (n + 1) th group are tightened, and the (n + 1) th automatic tightening is completed;
after the first row of bolts is tightened, the tightening mechanism moves to the position below the second row of bolt holes according to a preset program and repeats the synchronous steps to complete the tightening of the second row of bolts.
As shown in fig. 4, the method for installing the battery of the electric vehicle according to another embodiment of the present invention is the same except that the sequence of the tightening mechanism, the battery and the vehicle body is different from that of the embodiment shown in fig. 3. Namely, the method for installing the electric vehicle battery shown in fig. 4 is to move the electric vehicle battery to a predetermined position;
arranging bolts under bolt holes of the batteries of the electric automobile;
according to a preset program, two tightening shafts of the tightening mechanism shown in FIG. 2 are moved in the X direction, the Y direction and the Z direction under the action of an X-direction servo mechanism, a Y-direction servo mechanism and a Z-direction servo mechanism, and are moved to be right below a first group of two bolt holes;
moving the vehicle body, and aligning the vehicle body and the electric vehicle battery in a mode that bolt holes on the electric vehicle battery are matched with bolt holes on the vehicle body;
the subsequent steps are the same as in the embodiment shown in fig. 3.
In summary, the electric vehicle battery provided by the invention includes a plurality of bolt holes arranged along the X direction and located on the same straight line, each two bolt holes are in one group, the distance between two bolt holes of each group is I, the distance between every two adjacent groups is X1, X2, X3... Xn, and the size of X1, X2, X3... Xn is adjustable, so the number of bolt holes and the size of X1, X2, X3... Xn can be changed according to the capacity and shape of the battery, and the distance between two bolt holes of each group is equal, so that a set of automatic tightening mechanism can be used, and the automatic tightening mechanism is moved by the distance of X1, X2, X3... Xn each time, so as to achieve automatic tightening of different types of electric vehicle batteries.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The battery is characterized by comprising a plurality of bolt holes which are arranged along the X direction and located on the same straight line, every two bolt holes form a group, the distance between every two bolt holes of each group is I, the distance between every two adjacent groups is X1, X2 and X3..
2. The battery of claim 1, wherein the battery further comprises a plurality of bolt holes arranged along the X-direction and on another straight line, the two rows of bolt holes are axisymmetrical with the X-axis as the axis of symmetry, and the distance between the two rows of bolt holes in the Y-direction is adjustable.
3. The tightening mechanism is characterized by comprising two tightening shafts, an X-direction servo mechanism, a Y-direction servo mechanism and a Z-direction servo mechanism, wherein the two tightening shafts are parallel to each other and extend along the Z direction, the X-direction distance between the two tightening shafts is I, the two tightening shafts can move along the X direction, the Y direction and the Z direction under the action of the X-direction servo mechanism, the Y-direction servo mechanism and the Z-direction servo mechanism, and after the two tightening shafts are positioned, the two tightening shafts can drive a bolt to rotate and tighten the bolt.
4. The method for installing the battery of the electric automobile is characterized by comprising the following steps of:
aligning the electric vehicle battery and the vehicle body according to claim 1, so that the bolt hole on the electric vehicle battery and the bolt hole on the vehicle body are matched with each other;
arranging bolts right below the bolt holes of the electric vehicle battery and the vehicle body bolt holes;
moving the two tightening shafts of the tightening mechanism according to claim 3 in the X, Y and Z directions by the X, Y and Z servos and directly below the first two bolt holes according to a preset program;
the two tightening shafts Z ascend and rotate, and the two tightening shafts tighten the two bolts right below the first group of two bolt holes and finish the first automatic tightening;
according to a preset program, two tightening shafts are lowered and moved by a distance X1 along the X direction under the action of the X-direction servo mechanism, and the two tightening shafts are moved to be right below two bolt holes of a second group;
the two tightening shafts Z ascend and rotate, and the two tightening shafts tighten two bolts right below the two bolt holes of the second group and finish the second automatic tightening;
...
according to a preset program, two tightening shafts are lowered and moved along the X direction by a distance Xn under the action of the X-direction servo mechanism, and the two tightening shafts are moved to be right below two bolt holes of the (n + 1) th group;
and two tightening shafts Z ascend and rotate, and the two tightening shafts tighten two bolts right below the two bolt holes of the (n + 1) th group and finish the (n + 1) th automatic tightening.
5. The method for installing the battery of the electric vehicle as claimed in claim 4, wherein the battery of the electric vehicle further comprises a plurality of bolt holes arranged along the X direction and located on another straight line, the two rows of bolt holes are axially symmetrical with the X axis as a symmetry axis, the distance between the two rows of bolt holes in the Y direction is adjustable, after the first row of bolts are tightened, the tightening mechanism moves to the position below the second row of bolt holes according to a preset program, and the tightening of the second row of bolts is completed by repeating the same steps.
6. The method for installing the battery of the electric vehicle as claimed in claim 4, wherein when the battery of the electric vehicle and the vehicle body are aligned, the vehicle body is lifted to a predetermined position by using a chassis lifting tool to complete the alignment of the battery of the electric vehicle and the vehicle body.
7. The method for mounting the battery of the electric vehicle according to claim 4, wherein the battery of the electric vehicle is mounted above a tray driven by a chain bed, and the chain bed drives the tray and the battery of the electric vehicle to a predetermined position to perform the alignment of the battery of the electric vehicle and the vehicle body.
8. The method for mounting an electric vehicle battery according to claim 7, wherein a plurality of fixing holes are formed in the tray at positions right below the plurality of bolt holes corresponding to the plurality of electric vehicle batteries, a connecting rod is inserted into each of the fixing holes, the bolt is connected to an upper end of the connecting rod, and a lower end of the connecting rod is used for being engaged with the two tightening shafts.
9. The method for mounting a battery of an electric vehicle according to claim 8, wherein a bearing is mounted in each of the fixing holes, an outer ring of the bearing is fixedly connected with an inner wall of the fixing hole, and the connecting rod is inserted into an inner ring of the bearing.
10. The method for installing the battery of the electric automobile is characterized by comprising the following steps of:
moving the electric vehicle battery of claim 1 to a predetermined location;
arranging a bolt right below the bolt hole of the electric vehicle battery;
moving the two tightening shafts of the tightening mechanism according to claim 3 in the X, Y and Z directions by the X, Y and Z servos and directly below the first two bolt holes according to a preset program;
moving the vehicle body, and aligning the vehicle body and the electric vehicle battery in a mode that the bolt holes on the electric vehicle battery are matched with the bolt holes on the vehicle body;
the two tightening shafts Z ascend and rotate, and the two tightening shafts tighten the two bolts right below the first group of two bolt holes and finish the first automatic tightening;
according to a preset program, two tightening shafts are lowered and moved by a distance X1 along the X direction under the action of the X-direction servo mechanism, and the two tightening shafts are moved to be right below two bolt holes of a second group;
the two tightening shafts Z ascend and rotate, and the two tightening shafts tighten two bolts right below the two bolt holes of the second group and finish the second automatic tightening;
...
according to a preset program, two tightening shafts are lowered and moved along the X direction by a distance Xn under the action of the X-direction servo mechanism, and the two tightening shafts are moved to be right below two bolt holes of the (n + 1) th group;
and two tightening shafts Z ascend and rotate, and the two tightening shafts tighten two bolts right below the two bolt holes of the (n + 1) th group and finish the (n + 1) th automatic tightening.
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| CN201910448297.0A CN112086590A (en) | 2019-05-27 | 2019-05-27 | Electric automobile battery, tightening mechanism and battery installation method |
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| CN201910448297.0A CN112086590A (en) | 2019-05-27 | 2019-05-27 | Electric automobile battery, tightening mechanism and battery installation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022166179A1 (en) * | 2021-02-08 | 2022-08-11 | 陈维加 | Efficient battery replacement system for electric household automobiles |
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| CN109262249A (en) * | 2018-12-14 | 2019-01-25 | 清华大学 | A kind of Bolt Screw Down Method, bolt screwing machine and nut runner system |
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| CN109396812A (en) * | 2017-08-17 | 2019-03-01 | 上海蔚来汽车有限公司 | Bolt locking method changes electric battery pack installation system and installation method |
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