A new energy vehicle gas cylinder assembling tool and assembling method

Abstract

The application discloses a new energy automobile gas storage bottle assembling tool and assembling method, and relates to the technical field of new energy automobiles.The new energy automobile gas storage bottle assembling tool comprises a lifting vehicle and an adjustable positioning mechanism, adopts a screw rod and a thread cooperation, can adjust the position of the tool in the Y direction, realizes Y direction positioning of the band and the gas storage bottle, and can carry out assembling by only carrying out adaptive adjustment for the similar gas storage bottles, and has the advantages of simple structure, short development cycle, low development cost, and convenient operation.The new energy automobile gas storage bottle assembling method optimizes the assembling sequence of the gas storage bottle, is suitable for the characteristics of multiple sample vehicle types and frequent changes of the gas storage bottle arrangement position in the product research and development stage, reduces safety risks and assembling difficulty, saves assembling man-hours, and improves work efficiency and assembling quality.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of new energy vehicles, in particular to a new energy vehicle gas cylinder assembly tool and assembly method. BACKGROUND

[0002] The demand for automobiles in the market is increasing day by day, resulting in the problems of environmental pollution caused by automobile exhaust and the shortage of oil resources becoming increasingly serious. Under the constraints of energy shortage, environmental pollution and other factors, developing new energy has become an important measure to improve the environment and save costs. In the new energy vehicle industry, natural gas is easy to diffuse and mix evenly with air in the engine, and the combustion is complete, clean and not prone to carbon deposition, with good anti-knock performance and no dilution of lubricating oil, thereby greatly reducing the wear of engine parts in the cylinder and greatly increasing the service life of the engine and the service life of the lubricating oil.

[0003] For new energy vehicles, whether the installation of the gas cylinder for storing compressed natural gas is firm and reliable is of the utmost importance, and the installation of the gas cylinder is the basis and key for the normal driving of the gas vehicle. The installation of the existing new energy vehicle gas cylinder is too complex, which is not conducive to the lightweight requirements of the vehicle body, and also brings problems such as high gas consumption, difficult maintenance, high maintenance cost, etc. The research and development of new energy vehicles using hydrogen, methane and other gases as fuel is in its infancy, and there is no effective gas cylinder assembly tool and reliable assembly method for the scheme of arranging the gas cylinder under the floor of the car. At the present stage, it relies on the personal experience of the operator to operate, which has high operation difficulty, high safety risk, low work efficiency and poor assembly quality. SUMMARY

[0004] The present application is conceived in view of the problems in the prior art, and a new energy vehicle gas cylinder assembly tool and assembly method are provided. For similar specifications of new energy vehicle gas cylinders, only adaptive adjustment is needed to carry out assembly, which optimizes the assembly sequence, reduces the assembly difficulty and saves the assembly time.

[0005] One of the technical solutions adopted to achieve the present application is: a new energy vehicle gas cylinder assembly tool, which comprises a lifting vehicle 1, characterized in that it further comprises an adjustable positioning mechanism 2, the adjustable positioning mechanism 2 comprises a bottom plate 2.1, a slide rail 2.2, a sliding block 2.3, a locking nut 2.4, a Y-direction positioning plate 2.6, a Y-direction first positioning support block 2.7, a Y-direction second positioning support block 2.8, a Y-direction third positioning support block 2.9, a lead screw 2.10, a bearing 2.11, a bearing support 2.12 and a scale 2.13, two identical slide rails 2.2 are arranged in parallel on the upper surface of the bottom plate 2.1, the bottom plate 2.1 is threadedly connected with the slide rail 2.2, three identical slide blocks 2.3 are arranged on the slide rail 2.2, the slide rail 2.2 is clamped with the slide block 2.3, the locking nut 2.4 is arranged on the slide block 2.3, the slide block 2.3 is threadedly connected with the locking nut 2.4, the scale 2.13 is arranged outside the slide rail 2.2, the bottom plate 2.1 is threadedly connected with the scale 2.13, the Y-direction positioning plate 2.6 is arranged at the end of the bottom plate 2.1 between the two identical slide rails 2.2, the bottom plate 2.1 is threadedly connected with the Y-direction positioning plate 2.6, three pairs of identical slide blocks 2.3 are sequentially threadedly connected with the Y-direction first positioning support block 2.7, the Y-direction second positioning support block 2.8 and the Y-direction third positioning support block 2.9 from front to back, two through holes and a threaded hole are sequentially arranged at the bottom of the Y-direction first positioning support block 2.7, a through hole, a threaded hole and a through hole are sequentially arranged at the bottom of the Y-direction second positioning support block 2.8, a threaded hole and two through holes are sequentially arranged at the bottom of the Y-direction third positioning support block 2.9, three identical lead screws 2.10 are threadedly connected with the Y-direction first positioning support block 2.7, the Y-direction second positioning support block 2.8 and the Y-direction third positioning support block 2.9, bearing supports 2.12 are arranged at both ends of the lead screw 2.10, three through holes are sequentially arranged on the bearing support 2.12, the through holes of the bearing support 2.12 are gap-connected with the outer ring of the bearing 2.11, the shaft head of the lead screw 2.10 is gap-connected with the inner ring of the bearing 2.11, and the lower bottom surface of the bottom plate 2.1 is threadedly connected with the lifting mechanism of the lifting vehicle 1.

[0006] Further, the material of the bottom plate 2.1 is Q235, and the flatness of the upper surface of the bottom plate 2.1 is ≤0.5mm.

[0007] Further, the Y-direction positioning plate 2.6 is manufactured by steel plate stamping process.

[0008] Further, the material of the lead screw 2.10 is 45 steel, and the quenching and tempering treatment is 235.

[0009] Further, the bearing 2.11 is a deep groove ball bearing.

[0010] The second technical scheme of the present application is a new energy automobile gas cylinder assembling method, characterized by comprising the following steps.

[0011] 1) New energy automobile gas cylinder subassembly:

[0012] The digital angle sensor support 4.1 is threadedly connected and installed at the head of the new energy automobile gas cylinder 4, the digital angle sensor support 4.1 is detachably connected with the digital angle sensor 4.2, the new energy automobile gas cylinder 4 is rotated around the axis until the reading of the digital angle sensor 4.2 is zero, then three same hoop bands 3 are used to lock the new energy automobile gas cylinder 4, the upper hoop band 3.1 and the lower hoop band 3.2 of the hoop band 3 are fixed by the bolt 3.3, and then the digital angle sensor support 4.1 and the digital angle sensor 4.2 are removed.

[0013] 2) Adjusting the new energy automobile gas cylinder assembling tooling:

[0014] The new energy automobile gas cylinder 4 is positioned according to the Y-direction positioning plate 2.6, then the position of the new energy automobile gas cylinder 4 is locked by three same hoop bands 3, the adjusting rod 2.5 is used to adjust the lead screw 2.10, the three same lead screws 2.10 respectively drive the Y-direction first positioning support block 2.7, the Y-direction second positioning support block 2.8 and the Y-direction third positioning support block 2.9, so that the Y-direction first positioning support block 2.7, the Y-direction second positioning support block 2.8 and the Y-direction third positioning support block 2.9 correspond to the hoop bands 3 on the new energy automobile gas cylinder 4, then the reading of the scale 2.13 is confirmed, the locking nut 2.4 is tightened, the positioning slide block 2.3 is positioned, and the new energy automobile gas cylinder assembling tooling positions and clamps the new energy automobile gas cylinder 4.

[0015] 3) Installing the new energy automobile gas cylinder on the white vehicle body:

[0016] The new energy automobile gas cylinder assembling tooling is lifted under the white vehicle body 5, the Z-direction height of the lifting vehicle 1 is adjusted, the new energy automobile gas cylinder subassembly is gradually lifted, and it is ensured that the new energy automobile gas cylinder 4 enters the inside of the white vehicle body 5, the lower hoop band upper end surface 3.21 is aligned with the white vehicle body 5 mounting surface, the position of the lower hoop band mounting hole 3.22 is adjusted, the hoop band 3 is threadedly connected with the white vehicle body 5 by using the bolt 3.3, after the new energy automobile gas cylinder 4 assembling work is completed, the new energy automobile gas cylinder assembling tooling is removed.

[0017] Further, the digital angle sensor 4.2 is a digital angle sensor CJH1DA10B.

[0018] Further, the lifting vehicle 1 is a hydraulic lifting vehicle.

[0019] Further, the digital angle sensor support 4.1 is a steel plate stamping part.

[0020] The new energy automobile gas cylinder assembly tool and the assembly method have the following advantages:

[0021] 1. A new energy automobile gas cylinder assembly tool, which is adjusted in the Y direction by a lead screw and a thread, realizes the Y direction positioning of the band and the gas cylinder, and only needs to be adjusted for similar specifications to carry out assembly, and has the advantages of simple structure, short development cycle, low development cost, and convenient operation; 2. A new energy automobile gas cylinder assembly method, which optimizes the assembly sequence of the gas cylinder, is suitable for the characteristics of multiple types of sample vehicles and frequent changes in the layout position of the gas cylinder in the product development stage, reduces the safety risk and assembly difficulty, saves the assembly time, and improves the work efficiency and assembly quality. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a schematic view of the connection position of the new energy automobile gas cylinder and the body-in-white;

[0023] Figure 2 is an exploded view of the new energy automobile gas cylinder;

[0024] Figure 3 is a schematic view of a new energy automobile gas cylinder assembly tool installing a new energy automobile gas cylinder;

[0025] Figure 4 is Figure 3 is an exploded view of the part 2;

[0026] Figure 5 is a connection relationship diagram of the lead screw, the Y direction first positioning support block, the Y direction second positioning support block, and the Y direction third positioning support block;

[0027] Figure 6 is a position relationship diagram of the new energy automobile gas cylinder and the adjustable positioning mechanism;

[0028] In the figure: 1. lifting vehicle, 2. adjustable positioning mechanism, 2.1. bottom plate, 2.2. slide rail, 2.3. slide block, 2.4. locking nut, 2.5. adjusting rod, 2.6. Y direction positioning plate, 2.7. Y direction first positioning support block, 2.8. Y direction second positioning support block, 2.9. Y direction third positioning support block, 2.10. lead screw, 2.11. bearing, 2.12. bearing support, 2.13. scale, 3. band, 3.1. upper band, 3.2. lower band, 3.21. upper end face of the lower band, 3.22. lower band mounting hole, 3.3. bolt, 4. new energy automobile gas cylinder, 4.1. digital angle sensor support, 4.2. digital angle sensor, 5. body-in-white, 5.1. body-in-white mounting hole, 5.2. body-in-white mounting hole end face. DETAILED DESCRIPTION

[0029] The application will be further described below in conjunction with the accompanying drawings Figures 1-6 and specific embodiments, in order to make the purpose, technical solutions and advantages of the embodiments clearer, the technical solutions in the embodiments will be clearly and completely described with reference to the embodiments of the application. The specific embodiments described herein are only used to explain the application and not used to limit the scope of the application.

[0030] As shown in the accompanying drawings Figure 1 , the new energy vehicle gas cylinder 4 enters the interior of the body-in-white 5, the lower hoop belt upper end surface 3.21 is aligned with the body-in-white mounting hole end surface 5.2 of the body-in-white 5, the lower hoop belt mounting hole 3.22 position is adjusted, the lower hoop belt mounting hole 3.22 is coaxial with the body-in-white mounting hole 5.1, the bolt 3.3 is screwed through the lower hoop belt mounting hole 3.22 and the body-in-white mounting hole 5.1, and the bolt 3.3 is used to screw the hoop belt 3 and the body-in-white 5. As shown in the accompanying drawings Figure 2 , the digital angle sensor bracket 4.1 is screwed and mounted at the head of the new energy vehicle gas cylinder 4, the digital angle sensor bracket 4.1 is detachably connected with the digital angle sensor 4.2, the digital angle sensor 4.2 is provided with magnetism and can be adsorbed on the digital angle sensor bracket 4.1.

[0031] As shown in the accompanying drawings Figure 3 , a new energy vehicle gas cylinder assembly tool, comprising: a lifting vehicle 1, an adjustable positioning mechanism 2, as shown in the accompanying drawings Figure 4 , the adjustable positioning mechanism 2 comprises: a bottom plate 2.1, a slide rail 2.2, a sliding block 2.3, a locking nut 2.4, a Y-direction positioning plate 2.6, a Y-direction first positioning support block 2.7, a Y-direction second positioning support block 2.8, a Y-direction third positioning support block 2.9, a lead screw 2.10, a bearing 2.11, a bearing bracket 2.12 and a scale 2.13, two identical slide rails 2.2 are arranged in parallel on the upper surface of the bottom plate 2.1, the bottom plate 2.1 is screwed with the slide rail 2.2, three identical sliding blocks 2.3 are arranged on the slide rail 2.2, the slide rail 2.2 is clamped with the sliding block 2.3, the locking nut 2.4 is arranged on the sliding block 2.3, the sliding block 2.3 is screwed with the locking nut 2.4, the scale 2.13 is arranged outside the slide rail 2.2, the bottom plate 2.1 is screwed with the scale 2.13, the Y-direction positioning plate 2.6 is arranged at the end of the bottom plate 2.1 between the two identical slide rails 2.2, the bottom plate 2.1 is screwed with the Y-direction positioning plate 2.6, three pairs of identical sliding blocks 2.3 are sequentially screwed with the Y-direction first positioning support block 2.7, the Y-direction second positioning support block 2.8 and the Y-direction third positioning support block 2.9 from front to back, as shown in the accompanying drawings Figure 5As shown, two through holes and a threaded hole are sequentially arranged at the bottom of the Y-direction first positioning support block 2.7, one through hole, one threaded hole and one through hole are sequentially arranged at the bottom of the Y-direction second positioning support block 2.8, one threaded hole and two through holes are sequentially arranged at the bottom of the Y-direction third positioning support block 2.9, three same lead screws 2.10 are respectively threadedly connected with the Y-direction first positioning support block 2.7, the Y-direction second positioning support block 2.8 and the Y-direction third positioning support block 2.9, bearing supports 2.12 are arranged at both ends of the lead screws 2.10, three through holes are sequentially arranged on the bearing supports 2.12, the through holes of the bearing supports 2.12 are connected with the outer ring gap of bearings 2.11, the shaft head of the lead screws 2.10 is connected with the inner ring gap of the bearings 2.11, and the lower bottom surface of the bottom plate 2.1 is threadedly connected with the lifting mechanism of the lifting vehicle 1.

[0032] A new energy vehicle gas cylinder assembly method, comprising the following steps:

[0033] 1) New energy vehicle gas cylinder sub-packaging:

[0034] The digital angle sensor bracket 4.1 is threadedly connected and installed at the head of the new energy vehicle gas cylinder 4, the digital angle sensor bracket 4.1 is detachably connected with the digital angle sensor 4.2, the new energy vehicle gas cylinder 4 is rotated around the shaft until the reading of the digital angle sensor 4.2 is zero, then three same hoop bands 3 are used to lock the new energy vehicle gas cylinder 4, the upper hoop band 3.1 and the lower hoop band 3.2 of the hoop band 3 are fixed by bolts 3.3, and then the digital angle sensor bracket 4.1 and the digital angle sensor 4.2 are removed.

[0035] 2) Adjust the new energy vehicle gas cylinder assembly tooling:

[0036] As shown in the accompanying drawings, Figure 6 The new energy vehicle gas cylinder 4 is positioned according to the Y-direction positioning plate 2.6, then the position of the new energy vehicle gas cylinder 4 is locked by three same hoop bands 3, the lead screws 2.10 are adjusted using the adjusting rod 2.5, the three same lead screws 2.10 respectively drive the Y-direction first positioning support block 2.7, the Y-direction second positioning support block 2.8 and the Y-direction third positioning support block 2.9, so that the Y-direction first positioning support block 2.7, the Y-direction second positioning support block 2.8 and the Y-direction third positioning support block 2.9 correspond to the hoop bands 3 on the new energy vehicle gas cylinder 4, then the reading of the scale 2.13 is confirmed, the locking nut 2.4 is tightened, the positioning slide block 2.3 is positioned, and the new energy vehicle gas cylinder assembly tooling positions and clamps the new energy vehicle gas cylinder 4.

[0037] 3) Install the new energy vehicle gas cylinder on the white vehicle body:

[0038] As shown in the accompanying drawings,Figure 3 As shown, the new energy automobile gas cylinder assembly tool is lifted under the body-in-white 5, the Z-direction height of the lifting vehicle 1 is adjusted, the new energy automobile gas cylinder sub-assembly is gradually lifted, and the new energy automobile gas cylinder 4 is ensured to enter the inside of the body-in-white 5. The lower hoop belt upper end surface 3.21 is aligned with the body-in-white 5 mounting surface, the lower hoop belt mounting hole 3.22 position is adjusted, the bolt 3.3 is used to threadedly connect the hoop belt 3 and the body-in-white 5, after the new energy automobile gas cylinder 4 assembly work is completed, the new energy automobile gas cylinder assembly tool is removed.

[0039] The above is only the preferred mode of the present application, it should be noted that for ordinary skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered the protection scope of the present application.

Claims

1. A new energy vehicle gas cylinder assembly method, the new energy vehicle gas cylinder assembly tooling comprises: The lifting vehicle (1) is characterized in that it further comprises an adjustable positioning mechanism (2), wherein the adjustable positioning mechanism (2) comprises a bottom plate (2.1), slide rails (2.2), sliding blocks (2.3), locking nuts (2.4), a Y-direction positioning plate (2.6), a Y-direction first positioning support block (2.7), a Y-direction second positioning support block (2.8), a Y-direction third positioning support block (2.9), lead screws (2.10), bearings (2.11), bearing supports (2.12), and a scale (2.13); two identical slide rails (2.2) are arranged in parallel on the upper surface of the bottom plate (2.1); the bottom plate (2.1) is threadedly connected with the slide rails (2.2); three identical sliding blocks (2.3) are arranged on the slide rails (2.2); the slide rails (2.2) are clamped with the sliding blocks (2.3); a locking nut (2.4) is arranged on the sliding block (2.3); the sliding block (2.3) is threadedly connected with the locking nut (2.4); a scale (2.13) is arranged outside the slide rails (2.2); the bottom plate (2.1) is threadedly connected with the scale (2.13); a Y-direction positioning plate (2.6) is arranged at the end of the bottom plate (2.1) between the two identical slide rails (2.2); the bottom plate (2.1) is threadedly connected with the Y-direction positioning plate (2.6); three pairs of identical sliding blocks (2.3) are sequentially threadedly connected with the Y-direction first positioning support block (2.7), the Y-direction second positioning support block (2.8), and the Y-direction third positioning support block (2.9) from front to back; two through holes and a threaded hole are sequentially arranged at the bottom of the Y-direction first positioning support block (2.7); a through hole, a threaded hole, and a through hole are sequentially arranged at the bottom of the Y-direction second positioning support block (2.8); a threaded hole and two through holes are sequentially arranged at the bottom of the Y-direction third positioning support block (2.9); three identical lead screws (2.10) are threadedly connected with the Y-direction first positioning support block (2.7), the Y-direction second positioning support block (2.8), and the Y-direction third positioning support block (2.9), respectively; bearing supports (2.12) are arranged at the two ends of the lead screws (2.10); three through holes are sequentially arranged on the bearing supports (2.12); the through holes of the bearing supports (2.12) are gap-connected with the outer rings of bearings (2.11); the shaft heads of the lead screws (2.10) are gap-connected with the inner rings of the bearings (2.11); and the lower bottom surface of the bottom plate (2.1) is threadedly connected with the lifting mechanism of the lifting vehicle (1). 1) New energy automobile gas cylinder subassembly: Threaded connection installation of digital angle sensor support (4.1) in new energy vehicle gas cylinder (4) head, detachable connection of digital angle sensor support (4.1) and digital angle sensor (4.2), rotation of new energy vehicle gas cylinder (4) around the axis until the reading of digital angle sensor (4.2) is zero, locking of new energy vehicle gas cylinder (4) by three identical hoops (3), upper hoop (3.1) and lower hoop (3.2) of hoop (3) are fixed by bolt (3.3), then the digital angle sensor support (4.1) and digital angle sensor (4.2) are removed; 2) adjust the new energy vehicle gas cylinder assembly tool: The new energy vehicle gas cylinder (4) is positioned according to the Y direction positioning plate (2.6), then the position of the new energy vehicle gas cylinder (4) is locked by three identical hoops (3), the adjusting rod (2.5) is used to adjust the lead screw (2.10), the three identical lead screws (2.10) drive the Y direction first positioning support block (2.7), Y direction second positioning support block (2.8) and Y direction third positioning support block (2.9) respectively, so that the Y direction first positioning support block (2.7), Y direction second positioning support block (2.8) and Y direction third positioning support block (2.9) correspond to the hoops (3) on the new energy vehicle gas cylinder (4), then the reading of the scale (2.13) is confirmed, the locking nut (2.4) is tightened, the positioning slide block (2.3) is positioned, and the new energy vehicle gas cylinder assembly tool positions and clamps the new energy vehicle gas cylinder (4); 3) install new energy vehicle gas cylinder on white car body: Lift the new energy vehicle gas cylinder assembly tool under the white car body (5), adjust the Z direction height of the lifting vehicle (1), gradually lift the new energy vehicle gas cylinder subassembly, ensure that the new energy vehicle gas cylinder (4) enters the inside of the white car body (5), align the lower hoop upper end face (3.21) with the white car body (5) mounting surface, adjust the lower hoop mounting hole (3.22) position, use bolt (3.3) to threadedly connect the hoop (3) and the white car body (5), after completing the new energy vehicle gas cylinder (4) assembly work, remove the new energy vehicle gas cylinder assembly tool.

2. The assembling method of the new energy vehicle gas cylinder according to claim 1, characterized in that, The bottom plate (2.1) is made of Q235, and the upper surface flatness of the bottom plate (2.1) is ≤0.5mm.

3. The assembling method of the new energy vehicle gas cylinder according to claim 1, characterized in that, The Y direction positioning plate (2.6) is manufactured by steel plate stamping process.

4. The assembling method of the new energy vehicle gas cylinder according to claim 1, characterized in that, The lead screw (2.10) is made of 45 steel and is quenched and tempered 235.

5. The assembling method of the new energy vehicle gas cylinder according to claim 1, characterized in that, The bearing (2.11) is a deep groove ball bearing.

6. The assembling method of the new energy vehicle gas cylinder according to claim 1, characterized in that, The digital angle sensor (4.2) is a digital angle sensor CJH1DA10B.

7. The assembling method of the new energy vehicle gas cylinder according to claim 1, characterized in that, The lifting vehicle (1) is a hydraulic lifting vehicle.

8. The assembling method of the new energy vehicle gas cylinder according to claim 1, characterized in that, The digital angle sensor support (4.1) is a steel plate stamping part.

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