CN115355303B - Error-proofing device and error-proofing method for input shaft of automobile gearbox - Google Patents
Error-proofing device and error-proofing method for input shaft of automobile gearbox Download PDFInfo
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- CN115355303B CN115355303B CN202211291668.7A CN202211291668A CN115355303B CN 115355303 B CN115355303 B CN 115355303B CN 202211291668 A CN202211291668 A CN 202211291668A CN 115355303 B CN115355303 B CN 115355303B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
Abstract
The invention relates to the field of shaft checking tools, in particular to an input shaft error-proofing device and an input shaft error-proofing method for an automobile gearbox; the mistake proofing device comprises a fixed shaft, a mistake proofing positioning sleeve, a mistake proofing body and a spring clamping sleeve; an error-proof positioning sleeve is fixedly arranged in the inner cavity of the fixed shaft, one end of the error-proof body is fixedly connected with the fixed shaft, the other end of the error-proof body is detachably provided with a spring clamping sleeve, an input shaft penetrates through the error-proof body, and the shaft head part is connected with the error-proof positioning sleeve in an embedded mode; the shaft body part is embedded and connected with the spring clamping sleeve; the error-proofing device provided by the invention simulates the assembly process of the gearbox and the input shaft, and carries out size checking on the existing input shaft parts, so that the size checking of the input shaft is reliably and quickly completed, the coaxiality requirement of the input shaft in an inner hole machining procedure is ensured, and the precision requirement of the input shaft on the gearbox and even the whole vehicle is indirectly ensured.
Description
Technical Field
The invention relates to the field of shaft checking tools, in particular to an input shaft error-proofing device and an input shaft error-proofing method for an automobile gearbox.
Background
The automobile gearbox is a key part for transmitting automobile power and rotating speed, and the power transmission of the gearbox inputs the power and the rotating speed of an engine into the gearbox through a gearbox input shaft; the input shaft is in a reliable and stable high-precision state in the working process of high-speed power and rotating speed input; the phenomenon of positioning the input shaft is absolutely not allowed to occur, otherwise, the engine and the gearbox are greatly damaged or destroyed, and even the vehicle and personnel are injured.
Because the conventional processing method can not reliably ensure that 100% of parts are qualified, and a simple method of checking frequency by 100% has the problems of unreliability and uneconomic quality due to the existence of human factors, in the process of actual automobile assembly and installation, if the problem of overlarge installation and positioning occurs, the assembly progress can be greatly reduced, the assembly, disassembly and assembly processes are complicated, and meanwhile, if an input shaft with the ultra-poor size precision and the overlarge extension length of a shaft head of an input shaft of a gearbox is installed and enters the gearbox, great potential safety hazard can be caused; meanwhile, in the process of machining the inner hole at the end part of the input shaft, the coaxiality requirement and the size requirement after the input shaft and the inner hole are machined are difficult to meet in the inner hole machining procedure by a common clamping and positioning mode, so that the assembly requirement of the input shaft and the transmission case is influenced, and the reject ratio of products is increased.
Disclosure of Invention
In order to solve the technical problems that the checking and checking of the size of the shaft head and the length of the shaft body of the input shaft are difficult, and the potential safety hazard can be caused after the unqualified input shaft is installed, the invention provides an input shaft mistake proofing device and a mistake proofing method for an automobile gearbox.
The technical problem of the invention is realized by the following technical scheme: an input shaft error-proofing device of an automobile gearbox comprises a fixed shaft, an error-proofing positioning sleeve, an error-proofing body and a spring clamping sleeve; an error-proof positioning sleeve is fixedly arranged in an inner cavity of the fixed shaft, one end of the error-proof body is fixedly connected with the fixed shaft, the other end of the error-proof body is detachably provided with a spring clamping sleeve, and an input shaft penetrates through the error-proof body;
the input shaft is sequentially divided into a shaft head part, a shaft body part and a gear shaft part along the axis direction; the shaft head part is connected with the error-proof positioning sleeve in an embedded manner; the shaft body part is connected with the spring clamping sleeve in an embedded mode, and the gear shaft part is located on the outer side of the mistake-proofing body.
By using the technical scheme, the error-proof device provided by the invention simulates the assembling process of the gearbox and the input shaft, the size of the existing input shaft part is checked, the size of the shaft head part and the shaft body part is checked through the size and structural design of the spring clamping sleeve and the error-proof positioning sleeve, so that the size of the input shaft is reliably and quickly checked, defective parts are eliminated, the problems of inaccurate installation and positioning and potential safety hazards of products in the assembling process of the gearbox and the input shaft are avoided, the shaft head part is connected with the error-proof positioning sleeve in an embedded manner, the embedded connection of the shaft body part and the spring clamping sleeve ensures the installation and fixation of the whole coaxiality of the input shaft, and the coaxiality precision requirement of the inner hole and the whole input shaft is ensured in the subsequent processing process of the inner hole of the input shaft.
Preferably, the mistake-proofing body is sequentially divided into a connecting part and a body shaft part along the axial direction; the connecting part is provided with mounting holes in a surrounding manner, and the mistake-proofing body is connected to the fixed shaft through the mounting holes by bolts; the end part of the shaft part of the body is provided with a self-locking taper hole, and the spring clamping sleeve is connected with the mistake-proofing body in an embedded mode through the self-locking taper hole.
Preferably, the taper of the self-locking taper hole is 3 degrees, and the distance between the outer end face of the spring clamping sleeve and the outer end face of the error-proof positioning sleeve is a preset standard distance.
Through using above technical scheme, the mistake proofing body passes through the mounting hole reliable connection and on the input shaft, guarantee that the mistake proofing body is in the exact position all the time on the lathe, the auto-lock taper hole of mistake proofing body can realize stable locking with the spring clamp sleeve and fix to need not extra locking fixing device, through the predetermined standard distance of the outer terminal surface of spring clamp sleeve after the locking and mistake proofing position sleeve with the axle body length of confirming axle body portion, thereby check the axle body length of input shaft, prevent that the input shaft of wastrel and gearbox from installing the back overspun, cause the potential safety hazard.
Preferably, the end part shaft body of the shaft part of the body is also provided with a disassembly and assembly positioning hole in a surrounding way; the disassembly and assembly positioning hole is in penetrating connection with the self-locking taper hole.
Through using above technical scheme, the through connection of dismouting locating hole and auto-lock taper hole is convenient for follow the dismantlement work of mistake proofing body to the spring locking cover to reduce the damage to the input shaft, improve dismouting and inspection efficiency.
Preferably, the disassembling and assembling positioning hole is provided with a positioning groove, and the positioning groove and the inner end part of the spring clamping sleeve are on the same vertical surface.
Through using above technical scheme, the constant head tank can high efficiency detect whether spring clamp sleeve locks the fastening at the mistake proofing body and fixes to whether the axial dimension length of indirectly ensuring axle body portion accords with the inspection requirement, guarantee to detect the precision.
Preferably, the radial dimension of the inner cavity of the error-proof positioning sleeve is consistent with the radial dimension of the shaft head, and the error-proof positioning sleeve is in clearance fit with the shaft head.
Through using above technical scheme, whether effective radial dimension of detecting the axle head accords with deviation required precision.
Preferably, the radial dimension of the connecting part is consistent with that of the connecting end of the fixed shaft, and a positioning taper hole is formed in an inner cavity of the connecting part.
Preferably, the outer end face of the spring clamping sleeve and the end face of the mistake-proofing body are on the same vertical plane, and the outer end face of the spring clamping sleeve is in fit connection with the gear shaft part.
The invention also provides a mistake proofing method of the mistake proofing device for the input shaft of the automobile gearbox, which comprises the following operation steps:
1) Fixedly mounting an error-proof positioning sleeve in the inner cavity of the fixed shaft, and checking the mounting position and locking fixation of the error-proof positioning sleeve;
2) A spring clamping sleeve is nested and mounted at one end of the gear shaft part of the shaft body part; the end part of the spring clamping sleeve is attached to the gear shaft part;
3) Connecting the mistake proofing body with a fixed shaft bolt; then connecting the input shaft with the spring clamping sleeve with the mistake-proofing body, and checking the installation and fixation conditions;
4) Carrying out an inner hole machining process on a gear shaft part (13) of the input shaft (1) which is fixedly installed; removing an input shaft (1) which cannot be fixedly installed;
5) And (5) removing the spring clamping sleeve (5) and carrying out the next inspection and processing procedure of the input shaft (1).
Preferably, in step 3, an axial dimension from the end face of the error-proofing body to the end face of the error-proofing positioning sleeve is a predetermined standard distance, and the predetermined standard distance is not less than an axial dimension of the shaft body.
In summary, the invention has the following beneficial effects:
1. the error-proofing device simulates the assembling process of the gearbox and the input shaft, checks the sizes of the existing input shaft parts, and checks the sizes of the shaft head part and the shaft body part through the size and structural design of the spring clamping sleeve and the error-proofing positioning sleeve, so that the size checking of the input shaft is reliably and quickly completed, defective parts are eliminated, the problems of inaccurate installation and positioning and potential safety hazard of products in the assembling process of the gearbox and the input shaft are avoided, and meanwhile, the error-proofing method efficiently completes the detection and checking of the input shaft and ensures the quality of the parts; the unqualified piece is prevented from flowing to the next procedure; meanwhile, the error-proof device enables the shaft head part of the input shaft to be connected with the error-proof positioning sleeve in an embedded mode, and the shaft body part is connected with the spring clamping sleeve in an embedded mode, so that the whole coaxiality of the input shaft is guaranteed to be clamped and fixed, the precision requirement of the coaxiality of the inner hole and the whole input shaft in the subsequent processing process of the inner hole of the input shaft is guaranteed, and the precision requirement of the installation of the input shaft on the gearbox is indirectly guaranteed.
2. The error-proof locating sleeve is in clearance fit with the shaft head, so that whether the shaft head of the input shaft meets the size requirement or not can be quickly and accurately detected, the preset standard distance between the spring locating sleeve and the error-proof locating sleeve can effectively detect and determine the shaft body length of the shaft body, the shaft body length of the input shaft can be checked, and potential safety hazards caused by over-location of the input shaft of a defective product and a transmission case after installation can be prevented.
3. The spring locking sleeve can be quickly disassembled from the mistake-proofing body through the disassembling and assembling positioning hole, the inconvenience in disassembling and assembling the input shaft is avoided, the damage to the input shaft in the disassembling process is reduced, the disassembling and assembling inspection efficiency is improved, meanwhile, the clamping state of the spring clamping sleeve can be quickly and efficiently detected through the positioning groove, and the accuracy of detecting the axial length dimension of the shaft body portion is guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an input shaft configuration;
fig. 3 is a schematic structural diagram of the error-proofing body.
Description of reference numerals:
1. an input shaft; 11. a shaft head portion; 12. a shaft body portion; 13. a gear shaft portion; 2. a fixed shaft; 3. a mistake-proofing positioning sleeve; 4. a mistake proofing body; 41. a connecting portion; 42. a body shaft portion; 43. mounting holes; 44. a self-locking taper hole; 45. positioning the taper hole; 5. a spring clamping sleeve; 6. disassembling and assembling the positioning hole; 7. and (6) positioning a groove.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein and, therefore, the present invention is not limited to the specific embodiments disclosed in the following description.
Embodiment 1 the invention discloses a mistake proofing device for an input shaft of an automobile gearbox, which comprises a fixed shaft 2, a mistake proofing locating sleeve 3, a mistake proofing body 4 and a spring clamping sleeve 5, wherein the mistake proofing locating sleeve 3 is shown in figures 1-3; the fixed shaft 2 is a main shaft of a machine tool, the inner cavity of the fixed shaft 2 is fixedly provided with a mistake-proof positioning sleeve 3, one end part of a mistake-proof body 4 is fixedly connected with the fixed shaft 2 through a bolt, the inner cavity of the other end part of the mistake-proof body 4 is detachably provided with a spring clamping sleeve 5, the mistake-proof body 4 is provided with a through inner cavity, the input shaft 1 can be arranged in the mistake-proof body 4 in a penetrating way, and the input shaft 1 to be checked is sequentially divided into a shaft head part 11, a shaft body part 12 and a gear shaft part 13 along the axial direction; the diameter size of the shaft head part 11 and the axial length size of the shaft body part 12 are data to be checked, and the oversize of the shaft head part 11 and the overlong axial length of the shaft body part 12 can cause the over-positioning phenomenon of the input shaft 1 after installation, so that potential safety hazards are caused to the gearbox; the qualified shaft head part 11 of the input shaft 1 is connected with the error-proof positioning sleeve 3 in an embedded manner, and the right end part of the shaft body part 12 is provided with a spring clamping sleeve 5 in an embedded manner; thereby fixedly mounting the input shaft 1 in the error preventing device as a whole; the gear shaft portion 13 is located outside the mistake-proofing body 4. Meanwhile, the shaft head part 11 is connected with the error-proof positioning sleeve 3 in an embedded mode, and the shaft body part 12 is connected with the spring clamping sleeve 5 in an embedded mode, so that the coaxial installation and fixation requirements of the whole input shaft 1 and the fixed shaft 2 are met, the coaxiality requirements of the excircle of the shaft head part 11 of the input shaft 1, the excircle of the shaft body part 12 and an inner hole to be machined are met in the subsequent inner hole machining process of the input shaft 1 on the gear shaft part 13, and the installation accuracy requirements of the input shaft 1 on a gearbox and even a whole vehicle are indirectly met.
As shown in fig. 1-3, the mistake proofing device of the present invention mainly comprises three parts, namely, a mistake proofing positioning sleeve 3, a mistake proofing body 4 and a spring clamping sleeve 5; the three parts are matched with the input shaft 1 to simulate the installation process of the input shaft of the gearbox, the input shaft 1 is subjected to size checking, defective parts are cleared, and the quality of the parts is guaranteed.
Wherein the mistake-proofing body 4 is divided into a connecting part 41 and a body shaft part 42 in turn along the axial direction; the connecting portion 41 is provided with mounting holes 43 in a surrounding manner, the mounting holes 43 are of a smooth hole structure, the number of the mounting holes 43 is preferably 3, the mounting holes 43 are of a smooth hole structure, the end portion of the fixing shaft 2 is correspondingly provided with 3 threaded holes, the connecting portion 41 of the mistake-proofing body 4 is in threaded connection with the fixing shaft 2 through the mounting holes 43, reliable positioning connection between the fixing shaft 2 and the mistake-proofing body 4 is guaranteed, meanwhile, the diameter of the outer end face of the connecting portion 41 is consistent with that of the end face of the fixing shaft 2, a positioning taper hole 45 is formed in the inner cavity of the connecting portion 41, when the mistake-proofing body 4 is machined, the mistake-proofing body 4 is guaranteed to be always in a correct position in the machining process, and meanwhile, the fixing shaft 2 and the mistake-proofing body 4 are installed to be in the same axial direction;
the connecting part 41 and the body shaft part 42 are of an integral structure, the right end part of the body shaft part 42 is provided with a self-locking taper hole 44, the taper of the self-locking taper hole 44 is 3 degrees, the outer end surface of the spring clamping sleeve 5 is a conical surface, and the spring clamping sleeve 5 realizes high-precision self-locking with the body shaft part 42 through the self-locking taper hole 44; when the spring clamping sleeve 5 and the mistake-proof body 4 realize a high-precision self-locking state, the distance between the outer end face of the spring clamping sleeve 5 and the outer end face of the mistake-proof positioning sleeve 3 is a predetermined standard distance, and the length of the predetermined standard distance is not shorter than the axial length of the shaft body 12 of the input shaft 1; thereby realizing the size positioning and checking of the axial length of the shaft body part.
Furthermore, the end shaft body of the main body shaft part 42 is also provided with a dismounting positioning hole 6 in a surrounding way; the number of the dismounting positioning holes 6 is 4, the dismounting positioning holes 6 are uniformly distributed and arranged on the shaft body of the shaft part 42 of the body in a surrounding mode, and the dismounting positioning holes 6 are communicated with the self-locking taper holes 44 in a penetrating mode; the inner end part of the spring clamping sleeve 5 during self-locking is positioned in the middle of the hole surface of the dismounting positioning hole 6; meanwhile, a positioning groove 7 is formed in the dismounting positioning hole 6, the positioning groove 7 and the inner end part of the spring clamping sleeve 5 are located on the same vertical surface, the outer end surface of the spring clamping sleeve 5 and the end surface of the mistake-proofing body 4 are located on the same vertical surface, and the outer end surface of the spring clamping sleeve 5 is in fit connection with the gear shaft part 13; so as to determine whether the spring clamping sleeve 5 is in the correct locking and fixing position, and can further improve the accuracy of the axial dimension length of the shaft body part 12.
The outer circular surface of the error-proof locating sleeve 3 is a small-taper outer circular surface capable of self-locking, and is matched with a taper hole of an inner cavity of the fixed shaft 2 to play a role in radial locating and locking fixing, meanwhile, the radial size of the inner cavity of the error-proof locating sleeve 3 is consistent with that of the shaft head 11, namely, the radial size of the inner cavity of the error-proof locating sleeve 3 is the diameter size of the shaft head 11 which is standard, the error-proof locating sleeve 3 is in clearance fit with the shaft head 11, and whether the machining size of the shaft head 11 is out of tolerance or not can be checked by whether the inner cavity of the error-proof locating sleeve 3 is in embedded connection with the shaft head 11 or not, so that whether the input shaft 1 is a qualified part or not is judged.
Example 2: the invention also provides a mistake-proofing method of the mistake-proofing device for the input shaft of the automobile gearbox, which specifically comprises the following operation steps of:
1) Fixedly installing an error-proof positioning sleeve 3 in the inner cavity of the fixed shaft 2, and fixedly checking the installation position and locking of the error-proof positioning sleeve 3; the error-proof positioning sleeve 3 is ensured to be in the correct installation position in the fixed shaft 2;
2) A spring clamping sleeve 5 is nested and installed on a shaft body 12 of the input shaft 1 to be checked, which is close to one end of a gear shaft part 13; meanwhile, the end part of the spring clamping sleeve 5 is attached to the end face of the gear shaft part 13, so that the determination of whether the axial length dimension of the shaft body part 12 meets the standard or not is facilitated;
3) The mistake proofing body 4 is connected with the fixed shaft 2 through a bolt component; at the moment, the fixed shaft 2 and the mistake-proofing body 4 are in the same axial direction, then the input shaft 1 with the spring clamping sleeve 5 is inserted into the inner cavity of the mistake-proofing body 4, and the installation and fixation conditions are checked; the axial dimension from the end face of the body shaft part 42 of the mistake-proof body 4 to the end face of the mistake-proof locating sleeve 3 is a preset standard distance, and the preset standard distance is not smaller than the axial dimension of the shaft body part 12.
4) Case 1: if the shaft head part 11 of the input shaft 1 can be embedded into the inner cavity of the error-proof positioning sleeve 3, the size of the shaft head part 11 of the input shaft 1 is checked to be qualified, and if the shaft head part 11 cannot be embedded into the error-proof positioning sleeve 3, the size of the shaft head part 11 of the input shaft 1 is checked to be unqualified; the input shaft 1 is a defective part having an unqualified shaft head part size, and is selected.
Case 2: if the shaft head part of the input shaft 1 can be embedded into the mistake-proofing positioning sleeve 3, the clamping condition of the end face of the contact part of the shaft body part 12 and the gear shaft part 13 and the spring positioning sleeve 5 is checked, if the end face of the contact part of the shaft body part 12 and the gear shaft part 13 is attached to the outer end face of the body shaft part 42, namely, the spring positioning sleeve 5 can realize self-locking and be fixed on the mistake-proofing body 4, the size and the length of the shaft body of the input shaft 1 meet the design requirements, the input shaft 1 is installed on a gearbox and cannot be subjected to over-positioning condition, the inner hole of the gear shaft part 13 is processed, the input shaft 1 is fixedly installed on the mistake-proofing body 4 through the mistake-proofing positioning sleeve 3 and the spring locking sleeve 5, the requirement on the coaxiality of the shaft head part 11 and the shaft body part 12 of the input shaft 1 is qualified, and the coaxiality requirement after the inner hole processing procedure of the gear shaft part 13 is further ensured.
On the contrary, the shaft body dimension length of the shaft body part 12 of the input shaft 1 does not meet the design requirement, and the spring clamping sleeve 5 is directly removed when the input shaft 1 is a defective part.
Meanwhile, whether the spring positioning sleeve 4 is locked and fixed with the mistake-proofing body 4 in a self-locking mode or not can be conveniently judged, the sheet can penetrate deeply into the positioning groove 7, if the sheet penetrates deeply into the self-locking taper hole 44 along the positioning groove 7, the inner end face of the spring clamping sleeve 5 is attached to the sheet, the spring clamping sleeve 5 can be judged to be in a self-locking retraction state on the mistake-proofing body 4 in the state, and therefore the axial dimension length detection and checking result of the shaft body portion 12 can be judged to be accurate.
5) Disassembling the spring clamping sleeve 5 from the mistake-proofing body 4 through the disassembling and assembling positioning hole 6 of the input shaft 1 with the processed inner hole, and disassembling the spring clamping sleeve 5 from the input shaft 1; and (5) inspecting the next input shaft part and processing an inner hole.
While the invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (4)
1. The utility model provides a motor transmission input shaft mistake proofing device which characterized in that: comprises a fixed shaft (2), a mistake-proofing positioning sleeve (3), a mistake-proofing body (4) and a spring clamping sleeve (5); an error-proof positioning sleeve (3) is fixedly arranged in an inner cavity of the fixed shaft (2), one end of the error-proof body (4) is fixedly connected with the fixed shaft (2), a spring clamping sleeve (5) is detachably mounted at the other end of the error-proof body (4), and an input shaft (1) penetrates through the error-proof body (4);
the input shaft (1) is sequentially divided into a shaft head part (11), a shaft body part (12) and a gear shaft part (13) along the axis direction; the shaft head part (11) is connected with the error-proof positioning sleeve (3) in a jogged manner; the shaft body part (12) is connected with the spring clamping sleeve (5) in a embedding manner, and the gear shaft part (13) is positioned on the outer side of the mistake-proofing body (4);
the mistake-proofing body (4) is sequentially divided into a connecting part (41) and a body shaft part (42) along the axial direction; mounting holes (43) are formed in the connecting portion (41) in a surrounding mode, and the mistake proofing body (4) is connected to the fixed shaft (2) through the mounting holes (43) through bolts; the end part of the body shaft part (42) is provided with a self-locking taper hole (44), and the spring clamping sleeve (5) is embedded and connected with the mistake-proofing body (4) through the self-locking taper hole (44);
the taper of the self-locking taper hole (44) is 3 degrees, and the distance between the outer end face of the spring clamping sleeve (5) and the outer end face of the error-proof positioning sleeve (3) is a preset standard distance;
a mounting and dismounting positioning hole (6) is also arranged on the end shaft body of the shaft part (42) of the body in a surrounding way; the disassembly and assembly positioning hole (6) is connected with the self-locking taper hole (44) in a penetrating manner;
a positioning groove (7) is formed in the disassembling and assembling positioning hole (6), and the positioning groove (7) and the inner end part of the spring clamping sleeve (5) are on the same vertical surface;
the outer end face of the spring clamping sleeve (5) and the end face of the mistake proofing body (4) are on the same vertical face, and the outer end face of the spring clamping sleeve (5) is attached to and connected with the gear shaft portion (13).
2. The error proofing device for the input shaft of the automobile gearbox according to claim 1, characterized in that: the radial size of the inner cavity of the mistake-proof locating sleeve (3) is consistent with the radial size of the shaft head part (11), and the mistake-proof locating sleeve (3) is in clearance fit with the shaft head part (11).
3. The error proofing device for the input shaft of the automobile gearbox according to claim 1, characterized in that: the radial dimension of the connecting part (41) is consistent with that of the connecting end of the fixed shaft (2), and a positioning taper hole (45) is formed in an inner cavity of the connecting part (41).
4. The error proofing method of the error proofing device of the input shaft of the automobile gearbox according to the claim 1 is characterized by comprising the following operation steps:
1) fixedly installing a mistake-proofing positioning sleeve (3) in an inner cavity of a fixed shaft (2), and fixedly checking the installation position and locking of the mistake-proofing positioning sleeve (3);
2) A spring clamping sleeve (5) is nested and mounted at one end of a gear shaft part (13) of the shaft body part (12); the end part of the spring clamping sleeve (5) is attached to the gear shaft part (13);
3) The mistake-proofing body (4) is connected with the fixed shaft (2) through a bolt; then connecting the input shaft (1) with the spring clamping sleeve (5) with the mistake-proofing body (4), and checking the installation and fixation conditions;
the axial dimension from the end face of the mistake-proof body (4) to the end face of the mistake-proof positioning sleeve (3) is a preset standard distance, and the preset standard distance is not smaller than the axial dimension of the shaft body part (12);
4) Performing an inner hole machining process on a gear shaft part (13) of the input shaft (1) which is fixedly installed; removing an input shaft (1) which cannot be fixedly installed;
5) And (5) removing the spring clamping sleeve (5) and carrying out the next inspection and processing procedure of the input shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211291668.7A CN115355303B (en) | 2022-10-21 | 2022-10-21 | Error-proofing device and error-proofing method for input shaft of automobile gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211291668.7A CN115355303B (en) | 2022-10-21 | 2022-10-21 | Error-proofing device and error-proofing method for input shaft of automobile gearbox |
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| Publication Number | Publication Date |
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| CN115355303A CN115355303A (en) | 2022-11-18 |
| CN115355303B true CN115355303B (en) | 2023-01-17 |
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| CN202211291668.7A Active CN115355303B (en) | 2022-10-21 | 2022-10-21 | Error-proofing device and error-proofing method for input shaft of automobile gearbox |
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| CN111024387A (en) * | 2019-12-24 | 2020-04-17 | 中国科学院沈阳自动化研究所 | Butt joint transmission mechanism of automobile transmission test bed |
| CN114799251A (en) * | 2022-06-24 | 2022-07-29 | 山东海利传动机械制造有限公司 | Expansion sleeve type turning and grinding mandrel clamp |
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| CN115355303A (en) | 2022-11-18 |
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Denomination of invention: An error prevention device and method for input shaft of an automotive gearbox Effective date of registration: 20230428 Granted publication date: 20230117 Pledgee: Jinan Zhangqiu District Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: SHANDONG HAILI TRANSMISSION MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2023980039541 |
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