CN112373601A - Energy-saving automobile assembly process - Google Patents
Energy-saving automobile assembly process Download PDFInfo
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- CN112373601A CN112373601A CN202011336947.1A CN202011336947A CN112373601A CN 112373601 A CN112373601 A CN 112373601A CN 202011336947 A CN202011336947 A CN 202011336947A CN 112373601 A CN112373601 A CN 112373601A
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000008569 process Effects 0.000 title claims abstract description 35
- 239000003292 glue Substances 0.000 claims abstract description 8
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 37
- 238000012360 testing method Methods 0.000 claims description 27
- 239000003921 oil Substances 0.000 claims description 20
- 239000004033 plastic Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 238000011049 filling Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229920000459 Nitrile rubber Polymers 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 claims description 4
- 239000012208 gear oil Substances 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 239000007800 oxidant agent Substances 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000000861 blow drying Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
Abstract
The invention discloses an energy-saving automobile assembly process, which comprises the following steps: firstly, checking and purchasing different parts, different fixing parts and automobile body parts required in automobile final assembly, then checking the parts to check whether flaws, scratches, oil stains and the like exist or not, entering a next procedure after the parts are checked to be qualified, and obtaining the fully-prepared and qualified parts; according to the energy-saving automobile assembly process, threaded connection is adopted as much as possible in the assembly process, and traceless environment-friendly glue is adopted in gluing, so that the automobile assembly process has the characteristics of energy conservation and environment friendliness.
Description
Technical Field
The invention relates to the technical field of automobile assembly processes, in particular to an energy-saving automobile assembly process.
Background
The automobile assembly process mainly is the assembly of automobile products (including finished automobiles, assemblies and the like), and the automobile assembly is one of the most important process links in the manufacturing process of the automobile products; the method is a technological process for assembling hundreds or thousands of qualified parts into assemblies such as a whole vehicle, an engine, a transmission and the like according to certain technical requirements;
traditional car assembles according to the drawing in the assembling process, adopts the glue that does not possess the environmental protection function to bond when the assembly to reach the leakproofness of vehicle, make and do not possess the effect of environmental protection energy-conservation in the assembly process, bring the inconvenience for the use, for this reason, provide an energy-saving car assembly technology.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an energy-saving automobile assembly process, which comprises the following steps:
firstly, checking and purchasing different parts, different fixing parts and automobile body parts required in automobile final assembly, then checking the parts to check whether flaws, scratches, oil stains and the like exist or not, entering a next procedure after the parts are checked to be qualified, and obtaining the fully-prepared and qualified parts;
assembling the fully-prepared qualified parts according to a drawing, combining various automobile parts and fixed parts with an automobile body part according to the technical requirements of automobile production to form a whole automobile, and then installing operating parts and an engine to obtain a primary product of the whole automobile;
thirdly, mounting the front axle and the rear axle of the automobile, cleaning dirt and rust on parts to be assembled, blow-drying the parts by using compressed air, and respectively placing the cleaned and blow-dried parts to be assembled on corresponding stations on an assembly line for waiting assembly; hoisting the reducer assembly into a large end hole of the axle housing, installing a positioning pin, a washer and a nut, and screwing the nut to a specified torque; placing the painted rear axle assembly into a transport frame, manually installing a brake drum, screwing a tire bolt, injecting gear oil into a speed reducer, and screwing an oil filling plug;
step four, installing a lock catch, and aligning hole positions of the nut plate and the nut plate box; welding, namely matching the C-column lock catch reinforcing plate with hole positions on the lock catch assembly, welding and fixing two end points of the nut plate box on the C-column lock catch reinforcing plate, self-checking or chiseling a welding spot area, checking whether holes are staggered or not, adjusting to be concentric with an auxiliary positioning hole of the nut plate and a main positioning hole of the nut plate box, bending the L-shaped flanging at the other side in the step two to 90 degrees, and fixing the nut plate;
coating lubricating grease on the parts of the gear support needing connecting parts, the plastic-coated safety pull rod, the stirring rack part and the gear, sequentially installing the stirring rack part, the plastic-coated safety pull rod and the gear on the corresponding positions on the gear support, placing the stirring rack part, the plastic-coated safety pull rod and the rotating part of which the gear is installed on the gear support in a die of a welding machine, placing the stirring rack part, the plastic-coated safety pull rod and the rotating part of which the gear is installed on the gear support and a gear cover plate is installed at the corresponding gear position in a lower die of the welding machine, inserting the motor assembly into a motor hole of the gear support, pressing down through a welding head of the welding machine, and welding the motor assembly with the motor hole;
step six, adjustment, namely, checking the obtained primary product of the whole vehicle, adjusting the product compared with the specification on a drawing, solving the problem exposed during installation in time, correcting the phenomenon of wrong installation in time, then, checking the air tightness of the whole vehicle, detecting the air path and oil path joints, avoiding the oil leakage phenomenon, and obtaining the adjusted whole vehicle product;
step seven, trial driving, namely performing a road test on the adjusted whole vehicle product, driving the whole vehicle product on a road, driving the whole vehicle product for 10km at the speed of 30km/h, and then detecting the running of an engine and the problems after the trial driving on the road surface to obtain the whole vehicle after the trial driving;
and step eight, re-repairing, namely re-repairing the products after test driving, adjusting the problems in the road test or re-replacing new parts, so that the final assembly process of the energy-saving automobile can be completed, and finally the energy-saving automobile is obtained.
Preferably, if unqualified objects appear, objects with defects and scratches are returned to the factory for processing, if oil-stained objects appear, ultrasonic cleaning is carried out for 3-5min, and then rinsing is carried out repeatedly for 2-3 times.
Preferably, during assembly, the cooling system is filled with a coolant for the location to be lubricated.
Preferably, most of the components are connected in a threaded connection mode during assembly, and environment-friendly traceless glue is used for bonding and sealing the positions needing gluing.
Preferably, the environment-friendly traceless adhesive is prepared from modified resins, carboxyl nitrile rubber, a high-temperature-resistant oxidant, a curing agent and a stabilizer.
Preferably, the detection system is adopted to detect the whole vehicle body after the repair, and the road test detection is not required.
Preferably, when the lock catch is installed, the L-shaped flanging on one side of the nut plate box is bent to 90 degrees, and the L-shaped flanging on the other side of the nut plate box is bent to less than 90 degrees, so that a lock catch assembly is obtained; and checking whether neglected loading exists or not and whether the bending angle of the L-shaped flanging on the other side is smaller than 90 degrees or not.
Preferably, whether the gear seat is installed in a wrong and missed mode is checked, a gear cover plate is placed at the position, corresponding to the gear, of the upper end of the flow rotating piece, the gear cover plate is welded with the flow rotating piece in the last working procedure through downward pressing of a welding machine, and meanwhile welding slag is removed.
Preferably, when the front axle and the rear axle of the automobile are installed, the left half axle assembly and the right half axle assembly are manually installed at two ends of the axle housing, the connecting bolts, the gaskets and the nuts are installed, and the nuts are screwed to the specified torque; and hoisting the installed rear axle assembly into a paint line for painting, drying and inserting the rear axle assembly into the line.
The invention relates to an energy-saving automobile assembly process, which adopts threaded connection as much as possible in the assembly process, adopts traceless environment-friendly glue during gluing, is prepared from green environment-friendly raw materials, has the characteristics of environmental friendliness and energy conservation, and simultaneously has the advantages of good safety performance of the prepared automobile, high product qualification rate, convenience in use and simplicity in operation through adjustment and re-repair during assembly.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An energy-saving automobile assembly process comprises the following steps:
firstly, checking and purchasing different parts, different fixing parts and automobile body parts required in automobile final assembly, then checking the parts to check whether flaws, scratches, oil stains and the like exist or not, entering a next procedure after the parts are checked to be qualified, and obtaining the fully-prepared and qualified parts;
assembling the fully-prepared qualified parts according to a drawing, combining various automobile parts and fixed parts with an automobile body part according to the technical requirements of automobile production to form a whole automobile, and then installing operating parts and an engine to obtain a primary product of the whole automobile;
thirdly, mounting the front axle and the rear axle of the automobile, cleaning dirt and rust on parts to be assembled, blow-drying the parts by using compressed air, and respectively placing the cleaned and blow-dried parts to be assembled on corresponding stations on an assembly line for waiting assembly; hoisting the reducer assembly into a large end hole of the axle housing, installing a positioning pin, a washer and a nut, and screwing the nut to a specified torque; placing the painted rear axle assembly into a transport frame, manually installing a brake drum, screwing a tire bolt, injecting gear oil into a speed reducer, and screwing an oil filling plug;
step four, installing a lock catch, and aligning hole positions of the nut plate and the nut plate box; welding, namely matching the C-column lock catch reinforcing plate with hole positions on the lock catch assembly, welding and fixing two end points of the nut plate box on the C-column lock catch reinforcing plate, self-checking or chiseling a welding spot area, checking whether holes are staggered or not, adjusting to be concentric with an auxiliary positioning hole of the nut plate and a main positioning hole of the nut plate box, bending the L-shaped flanging at the other side in the step two to 90 degrees, and fixing the nut plate;
coating lubricating grease on the parts of the gear support needing connecting parts, the plastic-coated safety pull rod, the stirring rack part and the gear, sequentially installing the stirring rack part, the plastic-coated safety pull rod and the gear on the corresponding positions on the gear support, placing the stirring rack part, the plastic-coated safety pull rod and the rotating part of which the gear is installed on the gear support in a die of a welding machine, placing the stirring rack part, the plastic-coated safety pull rod and the rotating part of which the gear is installed on the gear support and a gear cover plate is installed at the corresponding gear position in a lower die of the welding machine, inserting the motor assembly into a motor hole of the gear support, pressing down through a welding head of the welding machine, and welding the motor assembly with the motor hole;
step six, adjustment, namely, checking the obtained primary product of the whole vehicle, adjusting the product compared with the specification on a drawing, solving the problem exposed during installation in time, correcting the phenomenon of wrong installation in time, then, checking the air tightness of the whole vehicle, detecting the air path and oil path joints, avoiding the oil leakage phenomenon, and obtaining the adjusted whole vehicle product;
step seven, trial driving, namely performing a road test on the adjusted whole vehicle product, driving the whole vehicle product on a road, driving the whole vehicle product for 10km at the speed of 30km/h, and then detecting the running of an engine and the problems after the trial driving on the road surface to obtain the whole vehicle after the trial driving;
and step eight, re-repairing, namely re-repairing the products after test driving, adjusting the problems in the road test or re-replacing new parts, so that the final assembly process of the energy-saving automobile can be completed, and finally the energy-saving automobile is obtained.
If unqualified objects appear, objects with defects and scratches are processed by returning to the factory, if oil stains appear, ultrasonic cleaning is carried out for 3-5min, and then rinsing is carried out repeatedly for 2-3 times.
During the assembly process, the parts needing to be lubricated are filled with lubricant, and the cooling system is filled with cooling liquid.
Most of the components are connected in a threaded connection mode during assembly, and environment-friendly traceless glue is used for bonding and sealing a place needing gluing.
The environment-friendly traceless adhesive is prepared from modified resins, carboxyl nitrile rubber, a high-temperature-resistant oxidant, a curing agent and a stabilizer.
And after the repair, the detection system is adopted to detect the whole vehicle body, and the road test detection is not needed.
When the lock catch is installed, the L-shaped flanging on one side of the nut plate box is bent to 90 degrees, and the L-shaped flanging on the other side of the nut plate box is bent to less than 90 degrees, so that a lock catch assembly is obtained; and checking whether neglected loading exists or not and whether the bending angle of the L-shaped flanging on the other side is smaller than 90 degrees or not.
Whether the gear seat is installed in a wrong and missed mode is checked, a gear cover plate is placed at the upper end of the flow transfer piece corresponding to the position of the gear, the gear cover plate is welded with the flow transfer piece in the previous working procedure through downward pressing of a welding machine, and meanwhile welding slag is removed.
When the front axle and the rear axle of the automobile are installed, the left half axle assembly and the right half axle assembly are manually installed at two ends of an axle housing, connecting bolts, washers and nuts are installed, and the nuts are screwed to a specified torque; and hoisting the installed rear axle assembly into a paint line for painting, drying and inserting the rear axle assembly into the line.
Example 1
When an automobile is assembled, firstly, checking objects and preparing, firstly, checking and purchasing different parts, different fixing parts and automobile body parts which are needed in the automobile assembly, then checking the parts, checking whether flaws, scratches, oil stains and the like occur, entering the next procedure after the parts are qualified, if unqualified objects occur, returning the objects with the flaws and scratches to a factory for processing, if the objects with the oil stains occur, carrying out ultrasonic cleaning for 3min, and then repeatedly rinsing for 3 times to obtain enough and qualified objects; secondly, assembling the objects which are sufficiently and qualified according to drawings, combining various automobile parts and fixed parts according to the technical requirements of automobile production to form a whole automobile, then installing a running machine part and an engine, filling a lubricant into the parts needing to be lubricated in the assembling process, filling cooling liquid into a cooling system, connecting most parts in a threaded connection mode during assembling, and bonding and sealing the parts needing to be cemented by environment-friendly traceless glue, wherein the environment-friendly traceless glue is prepared from modified resins, carboxyl nitrile rubber, a high-temperature-resistant oxidant, a curing agent and a stabilizer to obtain a primary product of the whole automobile; then adjusting, namely checking the obtained primary product of the whole vehicle, adjusting compared with the specification on a drawing, solving the problem exposed during installation in time, correcting the phenomenon of wrong installation in time, then checking the air tightness of the whole vehicle, detecting the air path and oil path joints, avoiding the oil leakage phenomenon and obtaining the adjusted whole vehicle product; then, performing test driving, performing road test on the adjusted whole vehicle product, driving the whole vehicle product on a road, driving the whole vehicle product at the speed of 30km/h for 10km, and then detecting the operation of an engine and the problems after the test driving on the road surface to obtain the whole vehicle after the test driving; and finally, re-repairing, namely re-repairing the product after test driving, adjusting the problems in the road test or replacing new parts, and detecting the whole body of the vehicle by using a detection system after re-repairing without detecting the road test so as to finish the final assembly process of the energy-saving automobile.
The automobile prepared by the final assembly process is tested for tension through a tension testing instrument, any two assembled parts are taken and respectively placed on a clamp of the tension testing instrument, a tension testing machine is started, the tension is set to 38000N, and no crack exists on the surface between the two assembled parts through testing.
Example 2
When the front axle and the rear axle of the automobile are installed, dirt and rust on parts to be assembled are cleaned, then the parts are dried by compressed air, and the cleaned and dried parts to be assembled are respectively arranged on corresponding stations on an assembly line to be assembled; hoisting the reducer assembly into a large end hole of the axle housing, installing a positioning pin, a washer and a nut, and screwing the nut to a specified torque; placing the painted rear axle assembly into a transport frame, manually installing a brake drum, screwing a tire bolt, injecting gear oil into a speed reducer, and screwing an oil filling plug; installing a lock catch, and aligning hole positions of the nut plate and the nut plate box; welding, namely matching the C-column lock catch reinforcing plate with hole positions on the lock catch assembly, welding and fixing two end points of the nut plate box on the C-column lock catch reinforcing plate, self-checking or chiseling a welding spot area, checking whether holes are staggered or not, adjusting to be concentric with an auxiliary positioning hole of the nut plate and a main positioning hole of the nut plate box, bending the L-shaped flanging at the other side in the step two to 90 degrees, and fixing the nut plate; coating lubricating grease on the part of a gear support needing a connecting component, a plastic-coated safety pull rod, a stirring rack component and a gear, sequentially installing the stirring rack component, the plastic-coated safety pull rod and the gear on the corresponding positions on the gear support, placing the stirring rack component, the plastic-coated safety pull rod and a rotating part of which the gear is installed on the gear support in a die of a welding machine, placing the stirring rack component, the plastic-coated safety pull rod and the gear on the gear support and the rotating part of which a gear cover plate is installed at the corresponding gear position in a lower die of the welding machine, inserting a motor component into a motor hole of the gear support, and finally pressing down through a welding head of the welding machine to weld the motor component and the motor hole;
the tensile force of the automobile front axle and the rear axle is tested by a tensile force testing instrument, any two assembled parts are taken and respectively placed on a clamp of the tensile force testing instrument, the tensile force testing machine is started, the tensile force is set to be 35000N, and the surfaces of the automobile front axle and the automobile rear axle are not torn through the test.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An energy-saving automobile assembly process is characterized in that: the energy-saving automobile final assembly process comprises the following steps:
firstly, checking and purchasing different parts, different fixing parts and automobile body parts required in automobile final assembly, then checking the parts to check whether flaws, scratches, oil stains and the like exist or not, entering a next procedure after the parts are checked to be qualified, and obtaining the fully-prepared and qualified parts;
assembling the fully-prepared qualified parts according to a drawing, combining various automobile parts and fixed parts with an automobile body part according to the technical requirements of automobile production to form a whole automobile, and then installing operating parts and an engine to obtain a primary product of the whole automobile;
thirdly, mounting the front axle and the rear axle of the automobile, cleaning dirt and rust on parts to be assembled, blow-drying the parts by using compressed air, and respectively placing the cleaned and blow-dried parts to be assembled on corresponding stations on an assembly line for waiting assembly; hoisting the reducer assembly into a large end hole of the axle housing, installing a positioning pin, a washer and a nut, and screwing the nut to a specified torque; placing the painted rear axle assembly into a transport frame, manually installing a brake drum, screwing a tire bolt, injecting gear oil into a speed reducer, and screwing an oil filling plug;
step four, installing a lock catch, and aligning hole positions of the nut plate and the nut plate box; welding, namely matching the C-column lock catch reinforcing plate with hole positions on the lock catch assembly, welding and fixing two end points of the nut plate box on the C-column lock catch reinforcing plate, self-checking or chiseling a welding spot area, checking whether holes are staggered or not, adjusting to be concentric with an auxiliary positioning hole of the nut plate and a main positioning hole of the nut plate box, bending the L-shaped flanging at the other side in the step two to 90 degrees, and fixing the nut plate;
coating lubricating grease on the parts of the gear support needing connecting parts, the plastic-coated safety pull rod, the stirring rack part and the gear, sequentially installing the stirring rack part, the plastic-coated safety pull rod and the gear on the corresponding positions on the gear support, placing the stirring rack part, the plastic-coated safety pull rod and the rotating part of which the gear is installed on the gear support in a die of a welding machine, placing the stirring rack part, the plastic-coated safety pull rod and the rotating part of which the gear is installed on the gear support and a gear cover plate is installed at the corresponding gear position in a lower die of the welding machine, inserting the motor assembly into a motor hole of the gear support, pressing down through a welding head of the welding machine, and welding the motor assembly with the motor hole;
step six, adjustment, namely, checking the obtained primary product of the whole vehicle, adjusting the product compared with the specification on a drawing, solving the problem exposed during installation in time, correcting the phenomenon of wrong installation in time, then, checking the air tightness of the whole vehicle, detecting the air path and oil path joints, avoiding the oil leakage phenomenon, and obtaining the adjusted whole vehicle product;
step seven, trial driving, namely performing a road test on the adjusted whole vehicle product, driving the whole vehicle product on a road, driving the whole vehicle product for 10km at the speed of 30km/h, and then detecting the running of an engine and the problems after the trial driving on the road surface to obtain the whole vehicle after the trial driving;
and step eight, re-repairing, namely re-repairing the products after test driving, adjusting the problems in the road test or re-replacing new parts, so that the final assembly process of the energy-saving automobile can be completed, and finally the energy-saving automobile is obtained.
2. The energy-saving automobile assembly process according to claim 1, characterized in that: if unqualified objects appear, objects with defects and scratches are processed by returning to the factory, if oil stains appear, ultrasonic cleaning is carried out for 3-5min, and then rinsing is carried out repeatedly for 2-3 times.
3. The energy-saving automobile assembly process according to claim 1, characterized in that: during the assembly process, the parts needing to be lubricated are filled with lubricant, and the cooling system is filled with cooling liquid.
4. The energy-saving automobile assembly process according to claim 1, characterized in that: most of the components are connected in a threaded connection mode during assembly, and environment-friendly traceless glue is used for bonding and sealing a place needing gluing.
5. The energy-saving automobile assembly process according to claim 4, characterized in that: the environment-friendly traceless adhesive is prepared from modified resins, carboxyl nitrile rubber, a high-temperature-resistant oxidant, a curing agent and a stabilizer.
6. The energy-saving automobile assembly process according to claim 1, characterized in that: and after the repair, the detection system is adopted to detect the whole vehicle body, and the road test detection is not needed.
7. The energy-saving automobile assembly process according to claim 1, characterized in that: when the lock catch is installed, the L-shaped flanging on one side of the nut plate box is bent to 90 degrees, and the L-shaped flanging on the other side of the nut plate box is bent to less than 90 degrees, so that a lock catch assembly is obtained; and checking whether neglected loading exists or not and whether the bending angle of the L-shaped flanging on the other side is smaller than 90 degrees or not.
8. The energy-saving automobile assembly process according to claim 1, characterized in that: whether the gear seat is installed in a wrong and missed mode is checked, a gear cover plate is placed at the upper end of the flow transfer piece corresponding to the position of the gear, the gear cover plate is welded with the flow transfer piece in the previous working procedure through downward pressing of a welding machine, and meanwhile welding slag is removed.
9. The energy-saving automobile assembly process according to claim 1, characterized in that: when the front axle and the rear axle of the automobile are installed, the left half axle assembly and the right half axle assembly are manually installed at two ends of an axle housing, connecting bolts, washers and nuts are installed, and the nuts are screwed to a specified torque; and hoisting the installed rear axle assembly into a paint line for painting, drying and inserting the rear axle assembly into the line.
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| CN202011336947.1A CN112373601A (en) | 2020-11-25 | 2020-11-25 | Energy-saving automobile assembly process |
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| CN115258005A (en) * | 2022-08-30 | 2022-11-01 | 湖南大学 | Combined assembly process for hydrogen fuel cell passenger car |
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Cited By (2)
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|---|---|---|---|---|
| CN115195910A (en) * | 2022-08-19 | 2022-10-18 | 湖南大学 | Hydrogen fuel cell passenger car assembly process |
| CN115258005A (en) * | 2022-08-30 | 2022-11-01 | 湖南大学 | Combined assembly process for hydrogen fuel cell passenger car |
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