CN112454272B - Multi-belt-wheel subpackaging rack and subpackaging method - Google Patents
Multi-belt-wheel subpackaging rack and subpackaging method Download PDFInfo
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- CN112454272B CN112454272B CN202011303039.2A CN202011303039A CN112454272B CN 112454272 B CN112454272 B CN 112454272B CN 202011303039 A CN202011303039 A CN 202011303039A CN 112454272 B CN112454272 B CN 112454272B
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- transition wheel
- belt
- air conditioner
- pulley
- conditioner compressor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention relates to a multi-belt-wheel split charging rack which is used for assembling and installing an air conditioner compressor, a transition wheel and a generator of a passenger car outside the passenger car. The split charging rack comprises a support, a left side plate, a right side plate, a bearing, a crankshaft belt pulley and a positioning plate for simulating a passenger car mounting structure and used for fixing the position relation among the crankshaft belt pulley, an air conditioner compressor, a transition wheel and a generator. The crankshaft pulley is connected to the upper end of the support through a bearing, the left side plate and the right side plate are fixed to the left side and the right side of the support respectively, and the positioning plate is detachably connected to the end face of the crankshaft pulley. By applying the split charging method of the split charging rack, an air conditioner compressor, a transition wheel and a generator of a passenger car are pre-installed on a special bottom plate outside the passenger car, the position is adjusted through a positioning plate, and the adjusted assembly can be directly installed on the passenger car. According to the invention, the parts to be assembled are assembled into the assembly in advance, and then the assembly is assembled to the vehicle body without respectively adjusting the belt pulleys, so that the production efficiency is improved.
Description
Technical Field
The invention relates to the field of passenger car assembly, in particular to a device for pre-assembling a passenger car air conditioner compressor, a transition wheel and a generator outside a passenger car and a method for pre-assembling the passenger car air conditioner compressor, the transition wheel and the generator outside the passenger car by using the device.
Background
In the passenger car of the front-end locomotive type, an air conditioner compressor and a generator are arranged at the front lower position of an engine and power is taken from the engine. The engine crankshaft belt pulley is used as a driving wheel to drive two air conditioner compressor belt pulleys and a driven wheel driven by a generator, which is equivalent to the concept of one driving three, namely, when a real vehicle is assembled, the flatness of the belt needs to adjust the interrelation among the four belt pulleys, the tightness of the belt and the like.
No split charging frame on the existing production line is used for split charging adjustment in advance, and an air conditioner compressor, a generator and a belt can only be mounted on a station after an engine is mounted.
In the full-bearing process vehicle body structure, an installer can assemble the air conditioner compressor only in a state that the engine is assembled under the vehicle bottom, the operation space is narrow, operation contents such as parallelism of the belt pulley and adjustment of gaps among four belts are required to be adjusted by a caliper, the installation operation is difficult, the production bottleneck is caused, time and labor are wasted, and the production rhythm is seriously influenced.
Disclosure of Invention
The invention aims to solve the technical problem that the time and labor are wasted because an air conditioner compressor, a transition wheel, a generator and each belt need to be respectively installed and debugged at the bottom of a passenger car at present, and provides a convenient installation mode.
In order to achieve the purpose of the invention, the invention firstly provides a multi-belt-wheel split charging rack which is used for assembling and installing an air conditioner compressor, a transition wheel and a generator of a passenger car outside the passenger car. The split charging rack comprises a bracket, a left side plate, a right side plate, a bearing, a crankshaft belt pulley and a positioning plate for simulating a passenger car mounting structure to fix the position relation among the crankshaft belt pulley, an air conditioner compressor, a transition wheel and a generator. Wherein, crankshaft pulley pass through the bearing connect in the upper end of support, left side board and right side board are fixed respectively in the left and right both sides of support, and locating plate detachable connects on crankshaft pulley's terminal surface. The crankshaft belt pulley is a belt pulley structure simulating an engine of a passenger car.
The split charging rack simulates the position relation between the crankshaft belt pulley of the engine output shaft and the air conditioner compressor, the transition wheel, the generator belt pulley and the like, and can better realize the position relation between split charging and actual assembly.
As a further improvement of the multi-belt pulley subpackaging rack, the support comprises a two-layer step structure, the bearing is fixedly installed on the upper layer of the support, the crankshaft belt pulley horizontally exceeds the upper layer of the support and faces downwards to the lower layer of the support and faces an air conditioner compressor, a transition wheel and a generator assembly to be installed, and the axis of the crankshaft belt pulley is located in the horizontal direction to simulate the installation structure of a passenger car.
As a further improvement of the multi-belt pulley subpackaging rack, the left side plate and the right side plate are fixedly connected to the upper layer of the support and distributed on the left side and the right side of the crankshaft belt pulley, and the lower ends of the left side plate and the right side plate are used for being fixedly connected with an air conditioner compressor, a transition wheel and a generator assembly and are connected through bolt fasteners. The left side plate and the right side plate are also connecting plate structures of the simulated frame.
As a further improvement of the multi-belt pulley subpackaging rack, the positioning plate is provided with a crankshaft belt pulley fixing hole at the upper part, a left-side compressor positioning hole, a right-side compressor positioning hole and a transition wheel positioning hole at the middle part; wherein, a transition wheel positioning cross rod is also arranged on the transition wheel positioning hole. The positioning plate is adopted, so that the air conditioner compressor and the transition wheel can be positioned, and the parallelism and the mutual position relation among the crankshaft belt pulley, the air conditioner compressor and the transition wheel are adjusted.
The invention further provides a multi-belt wheel subpackaging method, wherein subpackaging is carried out by using the multi-belt wheel subpackaging rack, namely, an air conditioner compressor, a transition wheel and a generator are combined and installed in advance in a simulated passenger car structure outside a passenger car, and then the whole body is moved into a passenger car frame for installation, and the subpackaging method is carried out according to the following steps:
s1, preassembling an air conditioner compressor, a transition wheel and a generator of the passenger car on a special bottom plate outside the passenger car;
s2, fixing the special bottom plate on the left side plate and the right side plate at the same time;
s3, pre-installing a plurality of belts on a crankshaft pulley, and fixing the positioning plate on the end face of the crankshaft pulley;
s4, moving the air conditioner compressor and the transition wheel on the special bottom plate to position the air conditioner compressor and the transition wheel on the positioning plate, fixing the air conditioner compressor and the transition wheel on the special bottom plate after positioning, then respectively installing the other end of the pre-installed belt on the air conditioner compressor and the transition wheel, adjusting the tightness of the belt, and then detaching the positioning plate;
s5, adjusting a belt groove of the generator to be parallel to a belt groove of the transition wheel, installing a belt between the generator and the transition wheel, adjusting the tightness of the belt, and completing the sub-assembly of the air conditioner compressor, the transition wheel, the generator and the special bottom plate;
and S6, taking out all the belts on the assembly, separating the special bottom plate from the left side plate and the right side plate, finally installing the assembly on the passenger car, and installing the belts.
The method combines the characteristics of a vehicle body full-bearing process and the multi-belt pulley of the front-mounted double-air-conditioning compressor by using a novel multi-belt pulley split-charging rack, and the split-charging rack is split-charged into assembly parts in advance and can be directly mounted on a vehicle body framework, so that the mounting difficulty is reduced, the time is saved, and the production efficiency and the assembly consistency are greatly improved.
As a further improvement of the multi-pulley split charging method of the present invention, in step S1, the dedicated bottom plate is provided with a plurality of strip-shaped holes, and the air conditioning compressor, the transition wheel and the generator are pre-installed in the strip-shaped holes and installed in the strip-shaped holes for positioning and adjustment.
As a further improvement of the multi-pulley dispensing method of the present invention, step S1 specifically includes: outside the passenger car, firstly, an air conditioner compressor is installed on an air conditioner compressor base, a transition wheel is installed on a transition wheel base, a generator is installed on a generator base, and then the air conditioner compressor base, the transition wheel base and the generator base are pre-installed on a strip-shaped hole of a special bottom plate. The positioning is more convenient to adjust by the base.
As a further improvement of the multi-pulley split charging method of the present invention, the number of the air-conditioning compressors is two, and the two air-conditioning compressors are respectively the left air-conditioning compressor and the right air-conditioning compressor, and the step S4 is to move the air-conditioning compressor and the transition wheel on the special bottom plate, so that the air-conditioning compressor and the transition wheel are positioned on the positioning plate, and after the positioning, the air-conditioning compressor and the transition wheel are fixed on the special bottom plate, specifically:
and moving the air conditioner compressor base and the transition wheel base in the strip-shaped hole, embedding the belt pulley of the air conditioner compressor on the left side into the compressor positioning hole on the left side, embedding the belt pulley of the air conditioner compressor on the right side into the compressor positioning hole on the right side, embedding the transition wheel in the middle into the transition wheel positioning hole and abutting against the transition wheel positioning cross rod, and fixing the air conditioner compressor on the left side and the air conditioner compressor on the right side and the base of the transition wheel in the strip-shaped hole respectively after positioning.
The positioning plate simulating the passenger car crankshaft belt pulley, the air conditioner compressor, the transition wheel and the generator mounting structure is used for positioning, and the position matching relation of split charging and actual assembly is accurately realized.
As a further improvement of the multi-pulley split charging method of the present invention, in step S5, the adjusting of the parallelism of the belt groove of the generator and the belt groove of the transition wheel specifically includes:
and moving the generator base within the range of the strip-shaped hole formed in the special bottom plate, adjusting the belt groove of the generator to be parallel to the belt groove of the transition wheel through a linear caliper, and locking the generator base in the strip-shaped hole.
As a further improvement of the multi-pulley split charging method of the present invention, in step S6, the assembly is mounted on a passenger car, and belts are mounted thereon, specifically:
the assembly is arranged on a passenger car at a position relative to an engine of the passenger car, and a belt between the engine belt pulley and the transition wheel, a belt between the engine belt pulley and the air conditioner compressor belt pulley on the left side, a belt between the engine belt pulley and the air conditioner compressor belt pulley on the right side, and a belt between the transition wheel and the generator belt pulley are respectively arranged.
The air conditioner compressor base, the transition wheel base, the generator base and the special bottom plate used in the multi-belt-wheel split charging method belong to self-carrying structures of passenger cars. The multiple pulley racking platform described above may also include these self-contained structures.
Compared with the prior art, the invention has the following advantages:
1. the multi-belt pulley split charging method combines the full bearing process of the vehicle body and the characteristics of the multi-belt pulley of the front-mounted double-air-conditioning compressor, the assembly is split and charged in advance and then directly charged on the vehicle body framework, the mounting difficulty is reduced, the time is saved, and the production efficiency and the assembly consistency are greatly improved.
2. According to the multi-belt-pulley subpackage rack, the positioning plate is designed, so that the belt pulleys can be adjusted in one step, errors of respective adjustment and manual operation vision among the belt pulleys are eliminated, a large amount of real-vehicle adjustment time is saved, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a multi-pulley racking platform of the present invention.
Fig. 2 is a structural view of a pre-assembly in which the generator, the left air conditioner compressor, the transition wheel, and the right air conditioner compressor are pre-assembled to a dedicated base plate.
Fig. 3 is a diagram of the mounting assembly of the pre-assembly of fig. 2 mounted to the multi-pulley racking platform of fig. 1.
FIG. 4 is a block diagram of the mounting structure assembly of FIG. 3 after positioning and mounting of the transition pulley belt, the left air conditioner compressor belt, the right air conditioner compressor belt and the positioning plate.
FIG. 5 is a view showing the structure of FIG. 4 with the positioning plate removed.
Fig. 6 is a structural view of the structure of fig. 5 with a generator belt installed.
Fig. 7 is a block diagram of the assembly shown disassembled in the configuration of fig. 6.
Reference numerals: the device comprises a support 1, a left side plate 2, a right side plate 3, a bearing 4, a crank pulley 5, a positioning plate 6, a crank pulley fixing hole 61, a left side compressor positioning hole 62, a right side compressor positioning hole 63, a transition wheel positioning hole 64, a transition wheel positioning cross rod 65, a generator 7, a generator base 70, a left air conditioner compressor 8, a left air conditioner compressor base 80, a transition wheel 9, a transition wheel base 90, a right air conditioner compressor 10, a right air conditioner compressor base 100, a special bottom plate 11, a strip-shaped hole 111, a bolt fastener 12, a transition wheel belt 13, a left air conditioner compressor belt 14, a right air conditioner compressor belt 15, a generator belt 16, a left side air conditioner belt 13, a right air conditioner belt 15, a generator belt 16, a generator belt, a motor, a generator, a motor,
Detailed Description
The following describes in detail a specific embodiment of the multi-pulley dispensing table and the dispensing method of the present invention with reference to the accompanying drawings.
The invention relates to a multi-belt-wheel split charging rack which is used for assembling and installing an air conditioner compressor, a transition wheel and a generator of a passenger car outside the passenger car.
As shown in fig. 1, the split charging rack of the invention comprises a bracket 1, a left side plate 2, a right side plate 3, a bearing 4, a crankshaft pulley 5 and a positioning plate 6 for simulating a passenger car mounting structure to fix the position relation among the crankshaft pulley, an air conditioner compressor, a transition wheel and a generator. Wherein, crankshaft pulley 5 passes through bearing 4 to be connected in the upper end of support 1, and left side board 2 and right side board 3 are fixed respectively in the left and right both sides of support 1, and locating plate 6 detachable connects on crankshaft pulley 5's terminal surface. The crankshaft pulley 5 is a pulley structure simulating an engine of a passenger car. The positioning plate 6 is used for simulating and positioning relative positions among a passenger car engine, an air conditioner compressor, a transition wheel and a generator.
The sub-assembly rack simulates the position relation between a crankshaft belt pulley of an engine output shaft and an air conditioner compressor, a transition wheel, a generator belt pulley and the like, and realizes the accurate transfer of the installation position relation from the simulated sub-assembly to the actual assembly.
Wherein, support 1 includes two-layer stair structure, 1 upper strata fixed mounting bearing 4 of support, and crankshaft pulley 5 level surpasss 1 upper strata of support and downward towards 1 lower floor of support, towards air condition compressor, transition wheel and the generator assembly of treating the installation, and crankshaft pulley's axle center is located the horizontal direction to the mounting structure of simulation passenger train.
The positioning plate 6 is provided with a crankshaft pulley fixing hole 61 at the upper part, a left compressor positioning hole 62, a right compressor positioning hole 63 and a transition wheel positioning hole 64 at the middle part. Wherein, a transition wheel positioning cross bar 65 is also arranged on the transition wheel positioning hole 64. The positioning plate is adopted, so that the air conditioner compressor and the transition wheel can be positioned, and the parallelism and the mutual position relation among the crankshaft belt pulley, the air conditioner compressor and the transition wheel are adjusted.
The invention relates to a multi-belt-wheel subpackaging method, which comprises the steps of subpackaging by using the multi-belt-wheel subpackaging rack, namely, assembling and installing an air conditioner compressor, a transition wheel and a generator in an external passenger car simulated structure in advance, and integrally moving the air conditioner compressor, the transition wheel and the generator into a passenger car frame for installation. The subpackaging method is carried out according to the following steps of S1-S6:
s1, referring to fig. 2, the generator 7, the left air conditioner compressor 8, the transition wheel 9 and the right air conditioner compressor 10 of the passenger car are pre-installed on the dedicated bottom plate 11 outside the passenger car. Wherein, the special bottom plate 11 is provided with a plurality of strip-shaped holes 111. The preassembly process specifically comprises the following steps: outside the passenger car, firstly, the generator 7 is installed on the generator base 70, the left air conditioner compressor 8 is installed on the left air conditioner compressor base 80, the transition wheel 9 is installed on the transition wheel base 90, the right air conditioner compressor 10 is installed on the right air conditioner compressor base 100, and then all the bases are preassembled on the strip-shaped holes 111 of the special bottom plate through the bolt fasteners 12, so that a preassembled assembly is obtained.
S2, referring to fig. 3, the pre-assembly obtained in step S1 is fixed to the left side plate 2 and the right side plate 3 to form a mounting structure assembly. The lower end of the left side plate 2 is fixed on a special bottom plate 11 between the generator 7 and the left air-conditioning compressor 8, the lower end of the right side plate 3 is fixed on a special bottom plate 11 on the right side of the right air-conditioning compressor 10 and is fixed through a bolt fastener 12, and the connecting structure is an actual mounting structure of a simulated passenger car.
S3, mounting three parallel belts on the pulley 5, and fixing the positioning plate 6 to the outer end surface of the pulley 5 by inserting bolts into the pulley fixing holes 61 and the holes on the outer end surface of the pulley 5 in this order.
S4, referring to fig. 4, the left air conditioner compressor base 80, the transition wheel base 90 and the right air conditioner compressor base 100 are moved in the strip-shaped hole 111, the belt pulley of the left air conditioner compressor 8 is inserted into the left compressor positioning hole 62, the belt pulley of the right air conditioner compressor 10 is inserted into the right compressor positioning hole 63, the middle transition wheel 9 is inserted into the transition wheel positioning hole 64 and abuts against the transition wheel positioning cross bar 65, and the left and right air conditioner compressors and the bases of the transition wheels are locked in the strip-shaped hole 111 after positioning, i.e. adjusting the parallelism between the four belt pulleys and the relative position relationship between the belt pulley groove and the belt to be installed is completed. And then the other ends of the three preassembled belts are respectively installed on a transition wheel 9, a left air conditioner compressor 8 and a right air conditioner compressor 10, the three belts are respectively a transition wheel belt 13, a left air conditioner compressor belt 14 and a right air conditioner compressor belt 15 from inside to outside, and the tightness of the belts is adjusted. Then the positioning plate 6 is detached, and the split charging of the left air conditioner compressor 8, the transition wheel 9 and the right air conditioner compressor 10 is completed, as shown in fig. 5.
S5, referring to fig. 6, the generator base 70 is moved within the range of the strip-shaped hole 111 formed on the special bottom plate 11, and the belt groove of the generator 7 is adjusted by the linear caliper to be parallel to the belt groove of the transition wheel 9, so as to lock the generator base 70 in the strip-shaped hole 111. And then a belt between the generator 7 and the transition wheel 9 is installed and recorded as a generator belt 16, and the tightness of the belt is adjusted to complete the split charging of the generator 7. And at this point, the generator 7, the left air conditioner compressor 8, the transition wheel 9, the right air conditioner compressor 10 and the special bottom plate 11 are assembled.
S6, taking out all belts on the assembly, separating the special bottom plate 11 from the left side plate 2 and the right side plate 3 to obtain an assembly as shown in figure 7, installing the assembly on a passenger car frame, connecting the special bottom plate 11 with a frame connecting plate, locating the installed assembly below a passenger car engine, and respectively installing a belt between an engine belt pulley and a transition wheel 9, a belt between the engine belt pulley and a left air conditioner compressor 8 belt pulley, a belt between the engine belt pulley and a right air conditioner compressor 10 belt pulley, and a belt between the transition wheel 9 and a generator 7 belt pulley.
The multi-belt pulley split charging method combines the full bearing process of the vehicle body and the characteristics of the multi-belt pulley of the front-mounted double-air-conditioning compressor, the assembly is split and charged in advance and then directly charged on the vehicle body framework, the mounting difficulty is reduced, the time is saved, and the production efficiency and the assembly consistency are greatly improved.
According to the multi-belt-pulley subpackage rack, the positioning plate 6 is designed, so that the belt pulleys can be adjusted in place in one step, errors of respective adjustment and manual operation vision among the belt pulleys are eliminated, a large amount of real-vehicle adjustment time is saved, and the production efficiency is improved.
The foregoing detailed description is exemplary only, and is intended to better enable those skilled in the art to understand the invention, and should not be construed as limiting the scope of the invention as claimed; any equivalent alterations or modifications made in accordance with the spirit of the present disclosure are within the scope of the present invention as claimed.
Claims (8)
1. A multi-belt-wheel subpackaging method is characterized in that a multi-belt-wheel subpackaging rack is used for subpackaging; the multi-belt pulley split charging rack is used for assembling and mounting an air conditioner compressor, a transition wheel and a generator of a passenger car outside the passenger car, and comprises a support, a left side plate, a right side plate, a bearing, a crankshaft belt pulley and a positioning plate for simulating the position relation among the passenger car mounting structure, the crankshaft belt pulley, the air conditioner compressor, the transition wheel and the generator; wherein, the crankshaft pulley is connected to the upper end of the bracket through a bearing; the left side plate and the right side plate are respectively fixed on the left side and the right side of the bracket; the positioning plate is detachably connected to the end face of the crankshaft pulley;
the subpackaging steps are as follows:
s1, preassembling an air conditioner compressor, a transition wheel and a generator of the passenger car on a special bottom plate outside the passenger car;
s2, fixing the special bottom plate on the left side plate and the right side plate at the same time;
s3, pre-installing a plurality of belts on a crankshaft pulley, and fixing the positioning plate on the end face of the crankshaft pulley;
s4, moving the air conditioner compressor and the transition wheel on the special bottom plate to position the air conditioner compressor and the transition wheel on the positioning plate, fixing the air conditioner compressor and the transition wheel on the special bottom plate after positioning, then respectively installing the other end of the pre-installed belt on the air conditioner compressor and the transition wheel, adjusting the tightness of the belt, and then detaching the positioning plate;
s5, adjusting a belt groove of the generator to be parallel to a belt groove of the transition wheel, installing a belt between the generator and the transition wheel, adjusting the tightness of the belt, and completing the sub-assembly of the air conditioner compressor, the transition wheel, the generator and the special bottom plate;
and S6, taking out all the belts on the assembly, separating the special bottom plate from the left side plate and the right side plate, finally installing the assembly on the passenger car, and installing the belts.
2. The multi-pulley racking method of claim 1, wherein: in step S1, the special bottom plate is provided with a plurality of strip-shaped holes, and the air conditioner compressor, the transition wheel and the generator are preassembled in the strip-shaped holes.
3. The multi-pulley subpackaging method according to claim 2, wherein the step S1 is specifically:
outside the passenger car, firstly, an air conditioner compressor is installed on an air conditioner compressor base, a transition wheel is installed on a transition wheel base, a generator is installed on a generator base, and then the air conditioner compressor base, the transition wheel base and the generator base are pre-installed on a strip-shaped hole of a special bottom plate.
4. The multi-pulley racking method of claim 3 wherein said positioning plate defines an upper crankshaft pulley retention hole, a left compressor retention hole, a right compressor retention hole and a middle transition wheel retention hole; wherein, a transition wheel positioning cross rod is also arranged on the transition wheel positioning hole; the number of the air-conditioning compressors is two, the two air-conditioning compressors are respectively the left air-conditioning compressor and the right air-conditioning compressor, in the step S4, the air-conditioning compressor and the transition wheel are moved on the special bottom plate, so that the air-conditioning compressor and the transition wheel are positioned on the positioning plate, and the air-conditioning compressor and the transition wheel are fixed on the special bottom plate after positioning, specifically:
and moving the air conditioner compressor base and the transition wheel base in the strip-shaped hole, embedding the belt pulley of the air conditioner compressor on the left side into the compressor positioning hole on the left side, embedding the belt pulley of the air conditioner compressor on the right side into the compressor positioning hole on the right side, embedding the transition wheel in the middle into the transition wheel positioning hole and abutting against the transition wheel positioning cross rod, and fixing the air conditioner compressor on the left side and the air conditioner compressor on the right side and the base of the transition wheel in the strip-shaped hole respectively after positioning.
5. The multi-pulley racking method according to claim 3, wherein in step S5, said adjusting the belt grooves of said generator and said transition wheel to be parallel comprises:
and moving the generator base within the range of the strip-shaped hole formed in the special bottom plate, adjusting the belt groove of the generator to be parallel to the belt groove of the transition wheel through a linear caliper, and locking the generator base in the strip-shaped hole.
6. The multi-pulley racking method according to claim 3, wherein in step S6, said assembly is mounted on a passenger car and belts are mounted thereon, specifically:
the assembly is arranged on a passenger car at a position relative to an engine of the passenger car, and a belt between the engine belt pulley and the transition wheel, a belt between the engine belt pulley and the air conditioner compressor belt pulley on the left side, a belt between the engine belt pulley and the air conditioner compressor belt pulley on the right side, and a belt between the transition wheel and the generator belt pulley are respectively arranged.
7. The multi-pulley racking method of claim 1 wherein said support comprises a two-step structure, said bearing is fixedly mounted on said upper support layer, said pulley is horizontally extended from said upper support layer and downwardly directed toward said lower support layer, and said pulley is horizontally centered.
8. The multi-pulley racking method of claim 7 wherein: the left side board with right side board fixed connection is in the support upper strata, and distribute in crankshaft pulley's left and right both sides.
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| CN202011303039.2A CN112454272B (en) | 2020-11-19 | 2020-11-19 | Multi-belt-wheel subpackaging rack and subpackaging method |
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| CN202011303039.2A CN112454272B (en) | 2020-11-19 | 2020-11-19 | Multi-belt-wheel subpackaging rack and subpackaging method |
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| CN112454272B true CN112454272B (en) | 2022-03-22 |
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| CN210318388U (en) * | 2019-05-08 | 2020-04-14 | 绍兴和为贵轴承有限公司 | Tensioning wheel structure with bidirectional adjustment function |
| CN111638063A (en) * | 2020-05-19 | 2020-09-08 | 东风汽车集团有限公司 | Test bench of belt transmission error and abnormal sound noise |
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| DE102016100509B4 (en) * | 2016-01-13 | 2020-07-02 | Kleemann Gmbh | Belt tensioner |
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| CN112454272A (en) | 2021-03-09 |
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