CN108088676B - Method for preventing belt pulley from being reversely installed - Google Patents
Method for preventing belt pulley from being reversely installed Download PDFInfo
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- CN108088676B CN108088676B CN201810092276.5A CN201810092276A CN108088676B CN 108088676 B CN108088676 B CN 108088676B CN 201810092276 A CN201810092276 A CN 201810092276A CN 108088676 B CN108088676 B CN 108088676B
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- belt pulley
- mandrel
- control valve
- microcomputer control
- installation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- General Physics & Mathematics (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a method for preventing reverse installation of a belt pulley, and belongs to the technical field of belt pulley installation. The difference between the front surface and the back surface of the belt pulley only has deviation in the height of the boss, and the belt pulley is extremely difficult to distinguish between the front surface and the back surface from the appearance, and is extremely easy to cause installation errors. According to the method for preventing the reverse installation of the belt pulley, when the belt pulley is installed correctly, the end face of the belt pulley is not contacted with the contact point of the microcomputer control valve, the cylinder does not act, and the belt pulley is not ejected; when the belt pulley is reversely assembled, the end face of the belt pulley props against the microcomputer control valve, the cylinder acts, the piston rod extends out, and the belt pulley is ejected. The detection device adopted by the invention is simple, has strong practicability, and the detection method carried out by using the device is efficient and has high accuracy, thereby greatly reducing the burden of assembly workers, improving the working efficiency and the production level and greatly prolonging the service life of the belt pulley.
Description
Technical Field
The invention discloses a method for preventing reverse installation of a belt pulley, and belongs to the technical field of belt pulley installation.
Background
The belt pulley is a core component for realizing power transmission, and the power of the motor is transmitted to other components through a belt. As shown in fig. 1, the difference between the front and back sides of a belt pulley used in the prior art is only deviated in the height direction of the boss. The belt pulley is extremely difficult to distinguish the front side and the back side from each other in appearance. The operator is very easy to reversely assemble the belt pulley, so that the belt pulley cannot normally operate, and the service life and the production efficiency are reduced.
There are several methods in the prior art for detecting and preventing reverse or erroneous installation of pulleys.
Patent document with publication number CN201569758U discloses a device for detecting the assembly error of a pulley. The guide hole and the marker pen are adopted, the protrusion amount of the marker pen can be adjusted by adjusting the fastening screw according to the depth value of the belt pulley, displacement is carried out, if marks are left on the surface, the assembly is correct, and otherwise, the assembly is incorrect.
The technical means adopted by the method is coarse, the reliability is low by using manual operation, the accidental factors are large, the practicability is low and the effect is poor in the actual detection and assembly process.
Patent document with publication number CN102759377 a discloses a belt pulley reverse-mounting detection device and detection method thereof, the operation steps are: when the installation direction of the belt pulley 10 is correct, the probe 41 is smoothly inserted into the groove 11 on the belt pulley 10, the switch contact 43 is not touched, and the alarm system is kept in a closed state; when the pulley 10 is reversely assembled, the probe 41 is propped against the peripheral surface of the pulley 10, the switch contact 43 is touched, and the alarm system is started, so that the reverse assembly detection of the pulley 10 is realized.
The above-mentioned document adopts alarm system to detect, has the needs that can not satisfy on-the-spot installation, still needs manual judgment, and is intelligent, to detect and the improvement effect subalternation defect of installation effectiveness.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a method for preventing the reverse installation of the belt pulley, which can efficiently, accurately and intelligently solve the technical problems of low detection efficiency and low accuracy in the prior art, greatly lighten the burden of assembly workers, improve the working efficiency and the production level and greatly prolong the service life of the belt pulley.
S1, assembling a belt pulley reverse-mounting detection device, wherein the belt pulley reverse-mounting detection device comprises a connecting block, a pressure head, a spring I, a mandrel and a needle-type cylinder; the connecting block is in interference fit with the press head, the perpendicularity between the connecting surface of the press mounting device and the mandrel is 0.02mm, the coaxiality between the connecting block and the press head is 0.02mm, the parallelism between the end surface of the press head, which is in contact with the belt pulley, and the connecting surface of the press mounting device is 0.02mm, a spring II, a top core and a steel ball are arranged in the mandrel, the mandrel is in clearance fit with the belt pulley, the steel ball protrudes out of the mandrel by 0.5mm, the belt pulley is arranged on the mandrel, the mandrel is in clearance fit with the inner hole of the press head, the coaxiality is 0.02mm, the mandrel slides in the inner hole of the press head when the press head is in operation, and the spring I pushes the mandrel out when the press head is not in operation;
the needle type air cylinder is connected with the pressure head through threads, the pressure head is provided with an air inlet, the microcomputer control valve is connected with the pressure head through a screw, the fixed position is contacted with the end face of the belt pulley, and the needle type air cylinder is connected with the microcomputer control valve;
s2, installing the belt pulley, if the belt pulley is installed correctly, the end face of the belt pulley is not contacted with the contact point of the microcomputer control valve, the needle type air cylinder does not act, and the piston rod of the needle type air cylinder is not pushed out, so that the belt pulley can be assembled normally; if the installation is incorrect, the end face of the belt pulley is contacted with the contact point of the microcomputer control valve, and the needle-type cylinder piston rod is pushed out to push out the belt pulley. Compared with the prior art, the invention has the following beneficial effects:
1. the invention has simple structure and simple and convenient operation, the connecting block is connected with the press mounting equipment by adopting the belt pulley reverse mounting detection device, the connecting block is in interference fit with the press head, the perpendicularity between the connecting surface of the press mounting equipment and the mandrel is ensured to be 0.02mm, the coaxiality between the connecting block and the press head is ensured to be 0.02mm, the parallelism between the end surface of the press head, which is contacted with the belt pulley, and the connecting surface of the press mounting equipment is ensured to be 0.02mm, and the connection and parameter design of the structure effectively ensure the accuracy of inspection and press mounting.
2. The mandrel is internally provided with a second spring, a top core and a steel ball, the mandrel is in clearance fit with the belt pulley, the steel ball protrudes 0.5mm out of the mandrel, the belt pulley is arranged on the mandrel, the mandrel is in clearance fit with an inner hole of the pressure head, the coaxiality is 0.02mm, the mandrel slides in the inner hole of the pressure head when the pressure head is in operation, and the first spring pushes the mandrel out when the pressure head is not in operation; when the belt pulley is in operation, the belt pulley is arranged on the mandrel, the steel ball is contracted inwards due to the arrangement of the belt pulley, the top core is pushed to move upwards, and the top core is pushed, so that the belt pulley can be arranged on the mandrel.
The belt pulley fixing and checking device provided by the invention has the advantages that the belt pulley fixing and checking components are adopted, the belt pulley can be effectively fixed, the checking whether the belt pulley is reversely assembled or not is ensured, the integration, the intellectualization and the mechanization of the checking and the press fitting can be ensured, and the resolving power, the precision and the installation efficiency are greatly improved.
3. The needle type air cylinder is connected with the pressure head through threads, the pressure head is provided with an air inlet, the microcomputer control valve is connected with the pressure head through a screw, the fixed position is contacted with the end face of the belt pulley, and the needle type air cylinder is connected with the microcomputer control valve; by adopting the microcomputer control valve, the components and the air cylinder form a power mechanism, and the belt pulley with wrong installation can be distinguished and then mechanically and intelligently ejected, so that the device is convenient and quick.
4. The technical problems of low detection efficiency and low accuracy in the prior art can be effectively, accurately and intelligently solved, the burden of assembly workers is greatly reduced, the working efficiency and the production level are improved, and the service life of the belt pulley is greatly prolonged.
The invention utilizes the difference of heights, adopts a fully intelligent method, solves the technical problem faced by the traditional detection, does not need manual judgment and intervention, has high accuracy, greatly improves the assembly efficiency and has strong practicability.
Drawings
FIG. 1 is a dimensional block diagram of a pulley of the prior art;
FIG. 2 is a cross-sectional view of the pulley reverse-fitting detection device employed in the present invention;
FIG. 3 is a schematic diagram showing a state that a pulley reverse-mounting detection device adopted by the invention detects that a pulley is correctly mounted;
FIG. 4 is a schematic diagram showing a state in which a reverse belt pulley installation detection device employed in the present invention detects a erroneously installed belt pulley;
FIG. 5 is a schematic view of a detection state of another embodiment of a reverse belt pulley detection device employed in the present invention;
FIG. 6 is a schematic diagram of a detection state of another embodiment of a reverse belt pulley detection device employed in the present invention;
FIG. 7 is a schematic view showing a detecting state of another embodiment of a pulley reverse-mounting detecting device employed in the present invention.
Detailed Description
For a better understanding of the present invention, the following examples are set forth to further illustrate the invention, but are not to be construed as limiting the invention. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced without one or more of these details.
Example 1
As shown in fig. 2-4, a method for preventing reverse installation of a pulley comprises the steps of:
s1, assembling a belt pulley reverse installation detection device, wherein the belt pulley reverse installation detection device comprises a connecting block 1, a pressure head 2 and a spring I
3. A mandrel 4 and a needle cylinder 5;
the connection block 1 is in interference fit with the press head 2, the perpendicularity of the connection surface of the press mounting equipment and the mandrel 4 is 0.02mm, the coaxiality of the connection block 1 and the press head 2 is 0.02mm, the parallelism of the end surface of the press head 2, which is contacted with the belt pulley, and the connection surface of the press mounting equipment is 0.02mm, a spring II, a top core and a steel ball are arranged in the mandrel 4, the mandrel 4 is in clearance fit with the belt pulley, the steel ball protrudes out of the mandrel 4 by 0.5mm, the belt pulley is arranged on the mandrel 4, the mandrel 4 is in clearance fit with the inner hole of the press head 2, the coaxiality is 0.02mm, the mandrel 4 slides in the inner hole of the press head 2 when in operation, and the spring I pushes the mandrel out when not in operation;
the needle-type air cylinder 5 is connected with the pressure head 2 through threads, the pressure head 2 is provided with an air inlet, and the microcomputer control valve is connected with the pressure head through a screw
2, the fixed position is contacted with the end surface of the belt pulley, and the needle type air cylinder 5 is connected with a microcomputer control valve;
s2, installing the belt pulley, if the belt pulley is installed correctly, as shown in fig. 3, the end face of the belt pulley is not contacted with the contact point of the microcomputer control valve, the needle type air cylinder does not act, and the piston rod of the needle type air cylinder is not pushed out, so that the belt pulley can be assembled normally; if the installation is incorrect, as in fig. 4, the end face of the belt pulley is contacted with the contact point of the microcomputer control valve, and the needle type cylinder piston rod is pushed out to push out the belt pulley.
Example 2
As shown in fig. 5 to 7, a method for preventing a pulley from being mixed, which uses a pulley reverse-fitting detecting device, comprises: the device comprises a connecting block 1, a pressure head 2, a first spring 3, a second spring 6, a mandrel 4, a needle cylinder 5, a steel ball 7, a top core 8, a first screw 11, a plug 9, a second screw 10 and a microcomputer control valve 12.
The mandrel 4 is internally provided with a second spring 6, a top core 8 and a steel ball 7, the mandrel 4 is in clearance fit with a belt pulley, the steel ball 7 protrudes out of the mandrel 4 for 0.5mm, the belt pulley is arranged on the mandrel 4, the mandrel 4 is in clearance fit with the inner hole of the pressure head 2, the coaxiality is 0.02mm, the mandrel 4 slides in the inner hole of the pressure head 2 when in operation, and the first spring 3 pushes the mandrel 4 out when not in operation; when in operation, the belt pulley is arranged on the mandrel 4, the steel ball 7 is contracted inwards due to the arrangement of the belt pulley, the top core 8 is pushed to move upwards, and the top core 8 is pushed, so that the belt pulley can be arranged on the mandrel 4.
As shown in fig. 6-7, the connection state and principle of the needle cylinder 5 and the microcomputer control valve 12 are schematically shown, the opening A of the microcomputer control valve 12 is connected with an air source, and the opening P is communicated with the opening B and the opening C.
The belt pulley fixing and checking device provided by the invention has the advantages that the belt pulley fixing and checking components are adopted, the belt pulley can be effectively fixed, the checking whether the belt pulley is reversely assembled or not is ensured, the integration, the intellectualization and the mechanization of the checking and the press fitting can be ensured, and the resolving power, the precision and the installation efficiency are greatly improved. Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (1)
1. A method of preventing reverse installation of a pulley comprising the steps of:
s1, assembling a belt pulley reverse-mounting detection device, wherein the belt pulley reverse-mounting detection device comprises a connecting block, a pressure head, a spring I, a mandrel and a needle-type cylinder;
the connecting block is in interference fit with the press head, the perpendicularity between the connecting surface of the press mounting device and the mandrel is 0.02mm, the coaxiality between the connecting block and the press head is 0.02mm, the parallelism between the end surface of the press head, which is in contact with the belt pulley, and the connecting surface of the press mounting device is 0.02mm, a spring II, a top core and a steel ball are arranged in the mandrel, the mandrel is in clearance fit with the belt pulley, the steel ball protrudes out of the mandrel by 0.5mm, the belt pulley is arranged on the mandrel, the mandrel is in clearance fit with the inner hole of the press head, the coaxiality is 0.02mm, the mandrel slides in the inner hole of the press head when the press head is in operation, and the spring I pushes the mandrel out when the press head is not in operation;
the needle type air cylinder is connected with the pressure head through threads, the pressure head is provided with an air inlet, the microcomputer control valve is connected with the pressure head through a screw, the fixed position is contacted with the end face of the belt pulley, and the needle type air cylinder is connected with the microcomputer control valve;
s2, installing the belt pulley, if the belt pulley is installed correctly, the end face of the belt pulley is not contacted with the contact point of the microcomputer control valve, the needle type air cylinder does not act, and the piston rod of the needle type air cylinder is not pushed out, so that the belt pulley can be assembled normally; if the installation is incorrect, the end face of the belt pulley is contacted with the contact point of the microcomputer control valve, and the needle-type cylinder piston rod is pushed out to push out the belt pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810092276.5A CN108088676B (en) | 2018-01-30 | 2018-01-30 | Method for preventing belt pulley from being reversely installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810092276.5A CN108088676B (en) | 2018-01-30 | 2018-01-30 | Method for preventing belt pulley from being reversely installed |
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| Publication Number | Publication Date |
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| CN108088676A CN108088676A (en) | 2018-05-29 |
| CN108088676B true CN108088676B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810092276.5A Active CN108088676B (en) | 2018-01-30 | 2018-01-30 | Method for preventing belt pulley from being reversely installed |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201569758U (en) * | 2009-12-29 | 2010-09-01 | 东风汽车股份有限公司 | Assembly mistake proofing detection device of I shape belt pulley |
| CN101871841A (en) * | 2010-06-11 | 2010-10-27 | 宁波更大集团有限公司 | Reverse assembly detection device and detection method for conical roller bearing inner ring assembly |
| CN102759377A (en) * | 2012-07-18 | 2012-10-31 | 常州新亚电机有限公司 | Reverse installing detection device and detection method for belt pulleys |
| CN202994460U (en) * | 2012-12-03 | 2013-06-12 | 重庆建设摩托车股份有限公司 | A transversely-moving device of a belt pulley automatic detecting device |
| CN204153094U (en) * | 2013-11-03 | 2015-02-11 | 常州至精精机有限公司 | A kind of belt pulley and dryer thereof with guiding error-disable function |
| CN205271879U (en) * | 2015-12-14 | 2016-06-01 | 济南吉利汽车零部件有限公司 | Engine asseumbly mistake proofing installation constructs |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2906587B1 (en) * | 2006-10-03 | 2009-07-10 | Skf Ab | TENDERING ROLLER DEVICE. |
-
2018
- 2018-01-30 CN CN201810092276.5A patent/CN108088676B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201569758U (en) * | 2009-12-29 | 2010-09-01 | 东风汽车股份有限公司 | Assembly mistake proofing detection device of I shape belt pulley |
| CN101871841A (en) * | 2010-06-11 | 2010-10-27 | 宁波更大集团有限公司 | Reverse assembly detection device and detection method for conical roller bearing inner ring assembly |
| CN102759377A (en) * | 2012-07-18 | 2012-10-31 | 常州新亚电机有限公司 | Reverse installing detection device and detection method for belt pulleys |
| CN202994460U (en) * | 2012-12-03 | 2013-06-12 | 重庆建设摩托车股份有限公司 | A transversely-moving device of a belt pulley automatic detecting device |
| CN204153094U (en) * | 2013-11-03 | 2015-02-11 | 常州至精精机有限公司 | A kind of belt pulley and dryer thereof with guiding error-disable function |
| CN205271879U (en) * | 2015-12-14 | 2016-06-01 | 济南吉利汽车零部件有限公司 | Engine asseumbly mistake proofing installation constructs |
Non-Patent Citations (1)
| Title |
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| 邓自清 等.皮带轮的铸造工艺设计与生产.《铸造技术》.2017,第38卷(第6期),第1510-1511页. * |
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| CN108088676A (en) | 2018-05-29 |
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Address after: 474500 Gongye Avenue, Xixia County, Nanyang City, Henan Province Applicant after: Feilong Automotive Parts Co.,Ltd. Address before: 474500 Gongye Avenue, Xixia County, Nanyang City, Henan Province Applicant before: Henan Province Xixia Automobile Water Pump Co.,Ltd. |
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