CN115025908A - Paint collision damage prevention device and method for top-side decorative plate of overhead-battery passenger car - Google Patents
Paint collision damage prevention device and method for top-side decorative plate of overhead-battery passenger car Download PDFInfo
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- CN115025908A CN115025908A CN202210770705.6A CN202210770705A CN115025908A CN 115025908 A CN115025908 A CN 115025908A CN 202210770705 A CN202210770705 A CN 202210770705A CN 115025908 A CN115025908 A CN 115025908A
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- side decorative
- decorative plate
- paint
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
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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
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a device and a method for preventing paint collision damage of a top side decorative plate of an overhead battery passenger car. The oil paint collision prevention device comprises a coupling part, a connecting mechanism assembly and a limiting bracket assembly; the coupling part is arranged below the first vertical plate, the connecting mechanism assembly is detachably connected through the coupling part, the other end of the connecting mechanism assembly is detachably connected with one end of the limiting support assembly, and the other end of the limiting support assembly is abutted to or separated from the top side decorative plate. It does not need any auxiliary installation tool, has practiced thrift touch-up paint manufacturing cost.
Description
Technical Field
The invention relates to the automobile manufacturing industry, in particular to a device and a method for preventing paint collision damage of a top side decorative plate of an overhead battery bus.
Background
New energy automobile has been advocated vigorously in recent years in the country, and along with new energy automobile, especially new forms passenger train's rising, the form of arranging of power battery group is various, and the form such as bottom battery is arranged (chassis tail battery is arranged, chassis middle part battery is arranged), top battery is arranged. In order to prevent the arrangement of the overhead battery from affecting the appearance of the entire vehicle, top decorative plates are often designed on both sides of the top of the overhead battery for shielding the overhead battery. The top decorative plate needs to be pre-installed on the top of the body before the body-in-white enters coating so as to be coated, painted and colored.
In the process of coating the top side decorative plate of the overhead battery passenger car, the top side decorative plate needs to be in an open state during coating operation, so that the related coating operation is convenient to perform; when the automobile body moves between the coating stations, the top side decorative plate is in a closed state, and the top side decorative plate can shake due to the fact that a slight bumping phenomenon exists in the automobile body moving process. Fig. 1 is a partial schematic view of a conventional painting operation, in which a fixing bracket assembly 1 is disposed between a top-side decorative plate 4 and a top-side skin 5, and during movement between painting stations, the top-side decorative plate 4 rotates around a first fastening hole 1.9 toward one side of the top-side skin 5, causing the top-side decorative plate 4 to contact with the top-side skin 5 to interfere with the latter, thereby causing paint to fall off. Therefore, after the finished automobile is off-line, paint repair is caused, the production efficiency and the product quality are seriously influenced, and great economic loss is brought.
Disclosure of Invention
The invention aims to provide an oil paint collision prevention device for a top side decorative plate of an overhead battery passenger car, which can effectively prevent the top side decorative plate from interfering with a top side skin in the moving process of a coating operation station to cause paint collision damage and the consequence of paint repair after the whole car is off-line.
In order to achieve the purpose, the oil paint collision prevention device for the top side decorative plate of the overhead battery passenger car is temporarily installed between the top side decorative plate and a top side skin, one end of the oil paint collision prevention device is connected with a fixed support assembly, the other end of the oil paint collision prevention device is connected with the top side decorative plate, the fixed support assembly comprises a bottom plate fixedly connected with the top side skin, a first vertical plate which is in angle joint with the bottom plate and is located in the vertical direction, and a second vertical plate which is in angle joint with the first vertical plate and is abutted to the top side decorative plate, and a rotating mechanism capable of enabling the top side decorative plate to be far away from the top side of the top side skin is further arranged at the upper part of the second vertical plate.
The oil paint collision prevention device comprises a coupling part, a connecting mechanism assembly and a limiting bracket assembly; the coupling part is arranged below the first vertical plate, the connecting mechanism assembly is detachably connected with the coupling part, the other end of the connecting mechanism assembly is detachably connected with one end of the limiting support assembly, and the other end of the limiting support assembly is abutted to or separated from the top side decorative plate.
Furthermore, the coupling part comprises an n-shaped connecting hole penetrating through the first vertical plate, the connecting hole comprises a long-strip-shaped transverse hole and two long-strip-shaped vertical holes perpendicular to the long-strip-shaped transverse hole and symmetrically arranged with the long-strip-shaped transverse hole, and a raised upright post is formed between the two vertical holes.
Further, the distance from the connecting hole to the edge of the first vertical plate is larger than 6 mm.
Furthermore, the corner joint of the bottom plate and the first vertical plate is provided with a first supporting plate for structural reinforcement, the coupling part further comprises a notch which is positioned on the first supporting plate and is used for the connection mechanism assembly to pass through, and the corner joint of the first vertical plate and the second vertical plate is provided with at least one second supporting plate for structural reinforcement.
Further, the coupling mechanism assembly include with the length assorted of cross bore first card strip, with the second card strip that first card strip is parallel to each other, with the perpendicular third card strip of handing-over of second card strip, and with the third card strip is parallel to each other and the same fourth card strip of shape, four the card strip makes up into the middle open word shape structure that has the perforating hole, the perforating hole with the size phase-match of stand still include with the tip of third card strip and fourth card strip is through welding for holistic hollow fastener, the length of second card strip is greater than the length of first card strip, just the length of cross bore is located between the length of first card strip and second card strip.
Further, the clearance between the stand and the through hole is 1-2 mm.
Further, the height H of the stand column is 4-6 times of the thickness of the open-shaped structure.
Furthermore, the limiting support assembly comprises a second nut and a connecting rod, the second nut is the same as the hollow fastener in size and can penetrate through the hollow fastener and the second nut, threads matched with the hollow fastener and the second nut are arranged on the connecting rod close to the connecting mechanism assembly, and a shock absorption rod is fixedly connected to the end of the connecting rod and abuts against the top side decorative plate.
Further, the limiting support assembly comprises a spring washer and a third nut which are abutted to the hollow fastener, and further comprises a connecting rod which can penetrate through the hollow fastener, the spring washer and the third nut, threads matched with the third nut are arranged on the connecting rod, and the end part of the connecting rod is fixedly connected with a damping rod abutted to the top side decorative plate.
The use method of the device for preventing oil paint from colliding with the top side decorative plate of the overhead battery passenger car comprises the following steps:
spraying paint at the contact part of the top side fixing support plate on the top side decorative plate and the shock absorption rod;
the oil paint collision damage prevention device is arranged between a top side decorative plate and a top side skin on the periphery of the top of the new energy bus, a through hole in a rectangular structure is sleeved on an upright column, first vertical plates on two sides of the connecting hole are clamped between a first clamping strip and a second clamping strip, so that a connecting mechanism assembly and a fixed support assembly are relatively fixed, and then a hollow fastener is abutted against a nut so that a limiting mechanism assembly and the connecting mechanism assembly are fixed;
when in the painting operation, the top side decorative plate is opened by a special stay bar;
when the station moves during paint spraying, the special stay bar is taken down to close the top side decorative plate, the shock absorption bar is abutted against the top side fixed support plate, and the top side decorative plate and the top side skin do not interfere;
and repeating the actions of opening and closing the top side decorative plate in the whole coating process until the side wall decorative plate is fixed in a general assembly workshop, detaching the oil paint collision-prevention device, penetrating the second opening of the top side fixing support plate and the second fastening hole by using a bolt and locking, and then transferring the oil paint collision-prevention device to a welding vehicle body offline station for cyclic utilization.
Compared with the prior art, the invention has the advantages that:
1. the product quality is improved, and paint collision damage caused by interference between the top side decorative baffle and the top skin is avoided;
2. the production efficiency is improved, the off-line paint repair working time caused by the interference and collision damage of the top side decorative plate is avoided, about 180 minutes per vehicle is avoided, and meanwhile, the manufacturing cost caused by the paint collision damage paint repair is saved, and about 120 yuan per vehicle is saved;
3. the invention is simple to use, does not need any mounting tool, is directly clamped into the top side decorative plate bracket and is provided with the anti-falling structure;
4. the paint repair labor intensity of workers caused by paint damage of the top side decorative baffle is reduced;
5. potential safety hazards caused by climbing operation due to collision damage of the top side decorative baffle are avoided.
Drawings
FIG. 1 is a partial schematic view of a conventional painting operation;
FIG. 2 is an overall perspective view of the first embodiment of the present invention;
FIG. 3 is a perspective view of a fixing bracket assembly according to a first embodiment of the present invention;
FIG. 4 is a perspective view of a coupling mechanism assembly according to a first embodiment of the present invention;
FIG. 5 is a perspective view of a coupling mechanism assembly and a spacing bracket assembly in accordance with the first embodiment of the present invention;
FIG. 6 is a fragmentary schematic view of the first embodiment of the invention as it moves through the various stations of the paint spray;
FIG. 7 is a fragmentary, diagrammatic view of the first embodiment of the invention during a painting operation;
FIG. 8 is a front view of the open-letter configuration;
FIG. 9 is a partial schematic view of a front view of a second riser;
FIG. 10 is a perspective view of a second embodiment of the connecting mechanism assembly and a spacing bracket assembly of the present invention.
The components in the figures are numbered as follows: the fixing support comprises a fixing support assembly 1, a bottom plate 1.1, a first vertical plate 1.2, a second vertical plate 1.3, a first supporting plate 1.4, a second supporting plate 1.5, a second fastening hole 1.6, an upright post 1.7, a connecting hole 1.8, a first fastening hole 1.9, a connecting mechanism assembly 2, a first clamping strip 2.1, a second clamping strip 2.2, a third clamping strip 2.3, a fourth clamping strip 2.4, a first nut 2.5, a middle through hole 2.6, a nut post 2.7, a limiting support assembly 3, a second nut 3.1, a connecting rod 3.2, a shock absorption rod 3.3, a third nut 3.4, a spring washer 3.5, a top side decorative plate 4, a top side fixing support plate 4.1, a top side fixing support plate first opening 4.11, a top side fixing support plate second opening 4.12 and a top side skin 5.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples, which should not be construed as limiting the invention.
The device for preventing oil paint collision damage on the top side decorative plate of the overhead battery passenger car is temporarily installed between a top side decorative plate 4 and a top side skin 5, and the device for preventing oil paint collision damage is installed at four corners of the top side decorative plate 4 at the top of each new energy automobile as shown in figures 2-10. The anti-oil paint collision damage device is mounted during welding and assembly line production, the anti-oil paint collision damage device is required to be used in the whole coating process, and the anti-oil paint collision damage device is dismounted until the side wall decorating plate is fixed in a general assembly workshop and then transferred to a welding and assembly vehicle body production line production station. As shown in fig. 2, the fixing bracket assembly 1 includes a bottom plate 1.1 fixedly connected to the top skin 5, a first vertical plate 1.2 connected to the bottom plate 1.1 at an angle and located in a vertical direction, and a second vertical plate 1.3 connected to the first vertical plate 1.2 at an angle and abutted to the top decorative plate 4, and a rotating mechanism capable of making the top decorative plate 4 away from the top skin 5 is further disposed on the upper portion of the second vertical plate 1.3.
As shown in FIGS. 2 to 7, the device for preventing paint from colliding comprises: a coupling part which is arranged below the fixed bracket assembly 1 and is detachably connected with the connecting mechanism assembly 2; the other end of the connecting mechanism assembly 2 is detachably connected with one end of the limiting bracket assembly 3, and the other end of the limiting bracket assembly 3 is abutted to or separated from the top side decorative plate 4. As shown in fig. 6, when each painting station moves, the end of the position limiting bracket assembly 3 abuts against the top side decorative plate 4; as shown in fig. 7, the end of the spacing bracket assembly 3 is separated from the top side decorative panel 4 during the painting operation.
The improvement points of the invention are that: by arranging the coupling part, the connecting mechanism assembly 2 and the limiting bracket assembly 3, the situation that when the automobile overhead battery cover moves at each paint spraying station, the top side decorative plate is prevented from contacting a top side skin when the top side decorative plate rotates along with the rotating mechanism, so that paint is damaged, and the paint repairing labor intensity of workers caused by paint damage of a top side decorative baffle is reduced; potential safety hazards caused by climbing operation due to collision damage of the top side decorative baffle are avoided.
The improvement will be described in detail below with reference to the accompanying drawings.
As shown in fig. 2 to 4, the coupling portion includes an n-shaped connection hole 1.8 penetrating through the first vertical plate 1.2, the connection hole 1.8 includes a long-strip-shaped transverse hole and two long-strip-shaped vertical holes perpendicular to and symmetrically arranged with the transverse hole, the transverse hole and the vertical holes are mutually communicated, and a raised upright post 1.7 is formed between the two vertical holes.
As shown in fig. 2, a first support plate 1.4 for structural reinforcement is welded at the corner joint of the bottom plate 1.1 and the first vertical plate 1.2, the first support plate 1.4 is shaped like a right triangle, and a rectangular notch is formed at the intersection of two right-angle sides of the first support plate. The coupling portion further comprises the rectangular notch. In this embodiment, as shown in fig. 2 to 3, the length of the rectangular gap is greater than the height of the connecting hole 1.8 in the vertical direction, and the width of the rectangular gap is greater than the width of the first locking strip 2.1 at the end of the connecting mechanism assembly 2, so that the connecting mechanism assembly 2 can smoothly pass through the rectangular gap. In comparison, as shown in fig. 1, the first supporting plate 1.4 in the prior art is not provided with the rectangular notch. A second supporting plate 1.5 for structure reinforcement is welded at the corner joint of the first vertical plate 1.2 and the second vertical plate 1.3, and the shape of the second supporting plate is triangular. The number of the second supporting plates can be set according to actual requirements, and R holes are formed in the second supporting plates.
In this embodiment, the thickness of the bottom plate 1.1, the thickness of the first vertical plate 1.2, and the thickness of the second vertical plate 1.3 are the same, and are all 5mm, and the shapes thereof are all rectangular, and the materials are all W510 high-strength steel, which facilitates the integrated forming processing.
As shown in fig. 5 to 6, a top side fixing bracket plate 4.1 is fixedly arranged on the top side decorative plate 4, the top side fixing bracket plate 4.1 is L-shaped as a whole, and is composed of a first fixing bracket plate attached to the top side decorative plate 4 and a second fixing bracket plate perpendicular to the first fixing bracket plate, a top side fixing bracket plate first opening 4.11 is formed in the upper portion of the second fixing bracket plate, when an outer curve of the top side decorative plate 4 is identical to an outer curve of a vehicle body, a first fastening hole 1.9 is formed in a position, corresponding to the top side fixing bracket plate first opening 4.11, on the second vertical plate 1.3, and the top side fixing bracket plate 4.1 and the second vertical plate 1.3 are relatively fixed by using a fastener. The rotating mechanism comprises the first opening 4.11 of the top side fixing bracket plate, a first fastening hole 1.9 and a fastening piece fixedly connected with the first opening and the first fastening hole, and further comprises a special support rod (not shown in the figure) capable of supporting the top side decorative plate 4 at a certain angle. The fastening piece is a fastening bolt and a nut matched with the fastening bolt, and the top decorative plate 4 can rotate around the first fastening hole 1.9 by loosening the nut on the fastening bolt while the top decorative plate 4 is unfolded by the special stay bar.
As shown in fig. 7, in this embodiment, a top side fixing bracket plate second opening 4.12 is formed at the lower end of the second fixing bracket plate, and a second fastening hole 1.6 corresponding to the top side fixing bracket plate second opening 4.12 is formed at the bottom of the second vertical plate 1.3. The second opening 4.12 of the top side fixing support plate is a transverse opening, and the second fastening hole 1.6 is a vertical opening, so that the top side fixing support plate is convenient and quick to align. When the side wall decorative plate is fixed in a general assembly workshop, the oil paint collision prevention device is disassembled, and bolts penetrate through the second opening 4.12 of the top side fixing bracket plate and the second fastening holes 1.6 and lock the top side fixing bracket plate and the second fastening holes, so that the top side decorative plate and the top side skin are prevented from rotating.
As shown in fig. 3 and 7, in this embodiment, the second vertical plate 1.3 is provided with a rounded portion near the upper right corner of the top decorative plate 4, so as to prevent the second vertical plate 1.3 from interfering with the first fixing bracket plate of the top fixing bracket plate 4.1 and being unable to support the top decorative plate 4 when the top decorative plate 4 rotates around the fastening bolt.
As shown in fig. 9, the distance from the connecting hole 1.8 to the edge of the first vertical plate 1.2 is greater than 6mm, and preferably, the left side of the connecting hole is closest to the edge and is away from the edgeFrom d 2 Is 8mm to ensure the integral strength of the first vertical plate.
Example one
As shown in fig. 4 to 5, the connecting mechanism assembly 2 is horizontally disposed at the lower end of the first vertical plate 1.2, and includes a first clamping strip 2.1 matched with the length of the cross hole, a second clamping strip 2.2 parallel to the first clamping strip 2.1, a third clamping strip 2.3 perpendicularly connected to the second clamping strip 2.2, and a fourth clamping strip 2.4 parallel to the third clamping strip 2.3 and having the same shape. The four clamping strips are combined into a Chinese character 'Kai' structure with a through hole 2.6 in the middle, the size of the through hole 2.6 is matched with that of the upright post 1.7, and the hollow fastener is integrally connected with the end parts of the third clamping strip 2.3 and the fourth clamping strip 2.4 through welding. The hollow fastener in this embodiment is a first nut 2.5.
Preferably, the four clamping strips in the embodiment have the same thickness, so that the four clamping strips are convenient to integrally form and ensure the integral strength.
This embodiment does not need any mounting tool through the cooperation of perforating hole with the stand, directly blocks in the top side decorative board support, and is simple and convenient.
In this embodiment, as shown in fig. 8, the length of the second clip strip 2.2 is 34mm, which is greater than the length 27.7mm of the first clip strip 2.1, and the length of the transverse hole is 30 mm. The length of the transverse hole is positioned between the second clamping strip 2.2 and the first clamping strip 2.1, so that the open-shaped structure is conveniently clamped on the upright post. Here, the transverse bore refers to an elongated transverse bore in the connection bore 1.8.
As shown in fig. 8, the thickness of the open-shaped structure is 4mm, the widths of the four clamping strips are the same and are all 6mm, the width w of the through hole 2.6 is 5.5mm, and the height h is 6 mm.
In the present embodiment, as shown in fig. 2 and 9, the width d of the upright 1.7 1 Is 4mm, which is smaller than the width w of the through hole 2.6; the thickness of the upright column 1.7 is 5mm, which is smaller than the height h of the through hole 2.6. When the open-shaped structure is sleeved on the upright post 1.7, the first vertical plates 1.2 at two sides of the connecting hole 1.8 are clamped between the first clamping strip 2.1 and the second clamping strip 2.2, and the first clamping strip and the second clamping strip are clamped between the first clamping strip 2.1 and the second clamping strip 2.2The fixing function is also realized. The distance between the through hole 2.6 and the upright post 1.7 is 1.5mm, and the distance between the front part and the rear part is 1 mm. Certainly, other numerical values within the interval of 1-2 mm can be adopted, a certain space capable of moving relatively is reserved, and the connecting mechanism assembly is conveniently sleeved on the upright column quickly but cannot move relatively greatly.
In this embodiment, as shown in fig. 9, the height H of the upright column 1.7 is 18mm, the thickness of the open-letter structure is 4mm, and the height H of the upright column 1.7 is 4.5 times of the thickness of the open-letter structure. As shown in fig. 2, the open-letter structure is located at the lowermost end of the upright 1.7 when in place. The height H of the stand is 4-6 times of the thickness of the open-character-shaped structure, the anti-falling structure is formed, and the open-character-shaped structure is prevented from sliding out from the upper side of the stand in the moving process between stations of coating operation.
As shown in fig. 1 and 4, the limiting bracket assembly 3 includes a second nut 3.1 with the same size as the first nut 2.5, and further includes a connecting rod 3.2 capable of penetrating through the first nut 2.5 and the second nut 3.1, a thread matched with the first nut 2.5 and the second nut 3.1 is provided at a position of the connecting rod 3.2 close to the connecting mechanism assembly 2, and a damping rod 3.3 abutted to the top side decorative plate 4 is fixedly connected to an end of the connecting rod 3.2. The first nut 2.5 and the second nut 3.1 are both fastening bolts. In order to enhance the stability, a gasket can be added between the two nuts, and a nut connection mode is adopted, so that the nut connection structure is simple and reliable and has strong practicability.
In this embodiment, the connecting rod 3.2 is a screw made of W510 high-strength steel, so as to ensure the strength thereof. As shown in fig. 4, the distance between the third strip 2.3 and the fourth strip 2.4 is slightly larger than the diameter of the connecting rod 3.2, so that the connecting rod can move back and forth between the third strip and the fourth strip.
In this embodiment, the material of shock attenuation pole 3.3 is rubber, can satisfy with the soft contact of top side decorative board, plays absorbing effect. The shock-absorbing rod 3.3 is a cylinder in shape, a concave hole is formed in the middle of one end, in contact with the first fixing support plate, of the shock-absorbing rod, and the other end of the shock-absorbing rod and the connecting rod 3.2 are integrally poured and formed. The outer diameter of the shock absorption rod 3.3 is 2 times of the diameter of the connecting rod 3.2, and the inner diameter is slightly smaller than the diameter of the connecting rod 3.2.
In this embodiment, as shown in fig. 1, the outer edges of the corner joints of the bottom plate 1.1 and the first vertical plate 1.2, and the first vertical plate 1.2 and the second vertical plate 1.3 are all in arc transition, and the edge of the lower end of the second vertical plate 1.3 is also in fillet transition, so that a worker is prevented from being scratched.
In the embodiment, the application method of the paint bump prevention device for the overhead battery cover of the new energy automobile comprises the following steps:
s1, paint is sprayed on the contact part of the top side fixing bracket plate 4.1 on the top side decorative plate 4 and the shock absorption rod 3.3;
s2, installing the oil paint collision prevention device between a top side decorative plate 4 and a top side skin 5 around the top of the new energy passenger car, sleeving a through hole 2.6 of the open-character structure on an upright post 1.7, clamping first vertical plates 1.2 on two sides of a connecting hole 1.8 between a first clamping strip 2.1 and a second clamping strip 2.2, fixing a connecting mechanism assembly 2 and a fixed support assembly 1 relatively, and abutting a second nut 3.1 and a first nut 2.5 to fix a limiting mechanism assembly 3 and the connecting mechanism assembly 2;
s3, when in the painting operation, the top decorative plate 4 is opened by a special stay bar, and the state is as shown in fig. 7;
s4, when the top decorative plate 4 moves at each paint spraying station, the dedicated stay bar is removed to close the top decorative plate 4, and the shock-absorbing bar 3.3 abuts against the top fixing bracket plate 4.1, so that the top decorative plate 4 and the top skin 5 do not interfere with each other, and the state is as shown in fig. 6;
and S5, repeating the opening and closing actions of the top side decorative plate 4 in the whole coating process until the side wall decorative plate is fixed in a general assembly workshop, detaching the oil paint collision-proof device, penetrating the second opening 4.12 of the top side fixing support plate and the second fastening hole 1.6 by using a bolt and locking, and then transferring the oil paint collision-proof device to a welding vehicle body offline station for cyclic utilization.
Example two
The present embodiment differs from the first embodiment in that, as shown in fig. 10, the hollow fastener is replaced by a nut post 2.7 instead of the first nut 2.5 in the first embodiment; and a second nut 3.1 abutted against the first nut 2.5 in the limiting bracket assembly 3 is replaced by a spring washer 3.5 and a third nut 3.4 abutted against the nut column 2.7. The connecting rod 3.2 can sequentially penetrate through the nut column 2.7, the spring washer 3.5 and the third nut 3.4, the third nut 3.4 is a fastening nut, and the connecting mechanism assembly 2 and the limiting bracket assembly 3 are fixed through the three parts in a propping and connecting mode. The nut column, the spring washer and the nut are matched, so that the stability is good, and the nut column can be repeatedly used.
The invention can also be applied to the coating of the side access door and the rear access door of the passenger car; coating a side plate of a truck container, coating a partition plate of a van, coating an access door of an agricultural machine and the like.
The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A device for preventing oil paint collision damage of a top side decorative plate of an overhead battery passenger car is temporarily installed between the top side decorative plate (4) and a top side skin (5), one end of the device for preventing oil paint collision damage is connected with a fixed support assembly (1), the other end of the device is connected with the top side decorative plate (4), the fixed support assembly (1) comprises a bottom plate (1.1) fixedly connected with the top side skin (5), a first vertical plate (1.2) which is in angle joint with the bottom plate (1.1) and is positioned in the vertical direction and a second vertical plate (1.3) which is in angle joint with the first vertical plate (1.2) and is abutted against the top side decorative plate (4), and a rotating mechanism capable of enabling the top side decorative plate (4) to be far away from the top side skin (5) is further arranged on the upper portion of the second vertical plate (1.3); the method is characterized in that:
the oil paint collision prevention device comprises a coupling part, a connecting mechanism assembly (2) and a limiting bracket assembly (3);
the coupling portion is arranged below the first vertical plate (1.2), the connecting mechanism assembly (2) is detachably connected with the coupling portion, the other end of the connecting mechanism assembly (2) is detachably connected with one end of the limiting support assembly (3), and the other end of the limiting support assembly (3) is abutted to or separated from the top side decorative plate (4).
2. The device of claim 1, wherein the top side decorative plate of the overhead battery passenger car is provided with a paint bump prevention device, and the device is characterized in that: the coupling part comprises an n-shaped connecting hole (1.8) penetrating through the first vertical plate (1.2), the connecting hole (1.8) comprises a long-strip-shaped transverse hole and two long-strip-shaped vertical holes which are perpendicular to the transverse hole and are symmetrically arranged, and a raised upright post (1.7) is formed between the two vertical holes.
3. The device of claim 2, wherein the top side decorative plate of the overhead battery passenger car is provided with a paint bump prevention device, and the paint bump prevention device is characterized in that: the distance from the connecting hole (1.8) to the edge of the first vertical plate (1.2) is more than 6 mm.
4. The device of claim 2, wherein the top side decorative plate of the overhead battery passenger car is provided with a paint bump prevention device, and the paint bump prevention device is characterized in that: the corner joint of the bottom plate (1.1) and the first vertical plate (1.2) is provided with a first supporting plate (1.4) for structural reinforcement, the coupling part further comprises a notch which is positioned on the first supporting plate (1.4) and used for the connection mechanism assembly (2) to pass through, and the corner joint of the first vertical plate (1.2) and the second vertical plate (1.3) is provided with at least one second supporting plate (1.5) for structural reinforcement.
5. The device of claim 2, wherein the top side decorative plate of the overhead battery passenger car is provided with a paint bump prevention device, and the paint bump prevention device is characterized in that: coupling mechanism assembly (2) include with the first card strip of length assorted (2.1) of cross bore, with the second card strip (2.2) that first card strip (2.1) is parallel to each other, with third card strip (2.3) of second card strip (2.2) perpendicular handing-over, and with third card strip (2.3) are parallel to each other and the same fourth card strip (2.4) of shape, four the card strip makes up the middle division word shape structure that has perforating hole (2.6), perforating hole (2.6) with the size phase-match of stand (1.7), still include with the tip of third card strip (2.3) and fourth card strip (2.4) is through welding as holistic hollow fastener, the length of second card strip (2.2) is greater than the length of first card strip (2.1), and the length of cross bore is located between first card strip (2.1) and second card strip (2.2).
6. The device of claim 5 for preventing paint bruising on the top side decorative plate of the overhead battery passenger car, which is characterized in that: the clearance between the upright post (1.7) and the through hole (2.6) is 1-2 mm.
7. The device of claim 5 for preventing paint bruising on the top side decorative plate of the overhead battery passenger car, which is characterized in that: the height H of the upright column (1.7) is 4-6 times of the thickness of the open-shaped structure.
8. The device of claim 5 for preventing paint bruising on the top side decorative plate of the overhead battery passenger car, which is characterized in that: spacing support assembly (3) include with the same second nut of size (3.1) of cavity fastener looks butt, still including running through connecting rod (3.2) of cavity fastener and second nut (3.1), connecting rod (3.2) are close to coupling mechanism assembly (2) department seted up with cavity fastener and second nut (3.1) assorted screw thread, the tip fixedly connected with of connecting rod (3.2) with shock-absorbing rod (3.3) of top side decorative board (4) butt.
9. The device of claim 5 for preventing paint bruising on the top side decorative plate of the overhead battery passenger car, which is characterized in that: spacing support assembly (3) include with spring washer (3.5) and third nut (3.4) of cavity fastener looks butt still including running through connecting rod (3.2) of cavity fastener, spring washer (3.5) and third nut (3.4), seted up on connecting rod (3.2) with third nut (3.4) assorted screw thread, the tip fixedly connected with of connecting rod (3.2) with shock attenuation pole (3.3) of top side decorative board (4) butt.
10. A method of using the apparatus of claim 1, comprising the steps of:
paint at the contact part of the top side fixing bracket plate (4.1) on the top side decorative plate (4) and the shock absorption rod (3.3) is sprayed;
the oil paint collision prevention device is arranged between a top side decorative plate (4) and a top side skin (5) on the periphery of the top of the new energy bus, a through hole (2.6) with a square structure is sleeved on an upright post (1.7), first vertical plates (1.2) on two sides of a connecting hole (1.8) are clamped between a first clamping strip (2.1) and a second clamping strip (2.2), so that a connecting mechanism assembly (2) and a fixed support assembly (1) are relatively fixed, and a hollow fastener is abutted to a nut so that a limiting mechanism assembly (3) and the connecting mechanism assembly (2) are fixed;
when in the painting operation, the top side decorative plate (4) is opened by a special stay bar;
when the paint spraying stations move, the special stay bar is taken down to close the top side decorative plate (4), the shock absorption bar (3.3) abuts against the top side fixing support plate (4.1), and the top side decorative plate (4) and the top side skin (5) cannot interfere with each other;
the opening and closing actions of the top side decorative plate (4) are repeated in the whole coating process until the side wall decorative plate is fixed in a general assembly workshop, the oil-proof paint collision damage device is disassembled, bolts penetrate through a second opening (4.12) of the top side fixing support plate and a second fastening hole (1.6) and are locked, and then the oil-proof paint collision damage device is rotated to a welding vehicle body offline station for cyclic utilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210770705.6A CN115025908B (en) | 2022-06-30 | 2022-06-30 | Device and method for preventing paint from being knocked by top side decoration plate of overhead battery bus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210770705.6A CN115025908B (en) | 2022-06-30 | 2022-06-30 | Device and method for preventing paint from being knocked by top side decoration plate of overhead battery bus |
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| CN115025908A true CN115025908A (en) | 2022-09-09 |
| CN115025908B CN115025908B (en) | 2023-05-26 |
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| CN202210770705.6A Active CN115025908B (en) | 2022-06-30 | 2022-06-30 | Device and method for preventing paint from being knocked by top side decoration plate of overhead battery bus |
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| CN115025908B (en) | 2023-05-26 |
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