CN217832574U - Nut tightening mechanism for assembling generator belt pulley - Google Patents
Nut tightening mechanism for assembling generator belt pulley Download PDFInfo
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- CN217832574U CN217832574U CN202222167292.0U CN202222167292U CN217832574U CN 217832574 U CN217832574 U CN 217832574U CN 202222167292 U CN202222167292 U CN 202222167292U CN 217832574 U CN217832574 U CN 217832574U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model belongs to the technical field of the assembly process of a charging generator, in particular to a nut tightening mechanism for assembling a generator belt pulley, wherein a mounting plate is arranged on a support rod between a bottom plate and a top plate, and two sides of the mounting plate are respectively provided with 1 linear guide rail; the linear guide rail is provided with slide seats, and the 2 slide seats are connected through a connecting rod; the mounting plate is also provided with a fixed plate for placing a lower pressure cylinder; a fixed seat is arranged above the front end of the top plate, and a servo motor and a speed reducer are arranged on the fixed seat; a torque sensor is arranged in the fixed seat; the upper end of the torque sensor is connected with an output shaft of the speed reducer, and the lower end of the torque sensor penetrates through the top plate and is connected with a telescopic universal coupling; the bottom of the telescopic universal coupling is connected with a guide seat through a connecting shaft, and the bottom of the connecting shaft is connected with a nut sleeve; a connecting plate is arranged below the guide seat, and the middle part of the connecting plate is penetrated through by the nut sleeve. The utility model discloses can realize locking torque control and detection, have better market perspective.
Description
Technical Field
The utility model belongs to the technical field of the generator assembly process that charges, concretely relates to nut tightening mechanism is used in assembly of generator belt pulley.
Background
The existing method for screwing the nut of the charging generator comprises the following steps: and (3) screwing the nut by using an electric or manual spanner through impact force, and then checking and reinforcing by using a fixed-torque spanner. Although the nut is screwed by the method, the operation is simple, but the locking torque cannot be controlled. The fixed torque wrench can only detect the problems that the locking torque is too small, the locking torque is too large and the like in the detection.
The utility model discloses a locking torque control and detection can be realized to the nut tightening mechanism for the assembly of generator belt pulley to data, equipment state data and the production information that can the recording torque, data, warning and record more than the automatic monitoring are derived to computer confession statistics and analysis.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mechanism is screwed up with nut to generator belt pulley assembly to realize locking torque control and detection.
In order to achieve the above object, the present invention provides the following technical solutions:
a nut tightening mechanism for assembling a generator pulley comprises:
a top plate is arranged above the bottom plate; a plurality of support rods are arranged between the top plate and the bottom plate; 2 support rods close to the front end of the top plate are provided with a mounting plate, and two sides of the mounting plate are respectively provided with 1 linear guide rail; the linear guide rail is provided with a sliding seat in sliding fit with the linear guide rail; 2 sliding seats are connected through a connecting rod;
the fixing plate is arranged on the mounting plate; a lower air cylinder is arranged on the fixed plate, and the telescopic end of the lower air cylinder penetrates through the fixed plate and is fixedly connected with the middle part of the connecting rod;
the fixed seat is arranged above the front end of the top plate; a servo motor and a speed reducer are arranged on the fixed seat; the speed reducer is positioned below the servo motor and is connected with an output shaft of the servo motor;
the torque sensor is arranged in the fixed seat, the upper end of the torque sensor is connected with an output shaft of the speed reducer, and the lower end of the torque sensor penetrates through the bottom plate and the top plate of the fixed seat and is connected with a telescopic universal coupling; the middle part of the telescopic universal coupling is sleeved with a spring, and the bottom of the telescopic universal coupling is connected with a guide seat through a connecting shaft; two sides of the guide seat are respectively provided with a guide bearing, and the middle part of the guide seat is horizontally provided with a ball bearing; the ball bearing inner ring is penetrated by the connecting shaft and is fixedly connected with the connecting shaft; the bottom of the connecting shaft is connected with a nut sleeve, and a magnet is arranged in the nut sleeve;
the connecting plate is arranged below the guide seat; the middle part of the connecting plate is penetrated through by the nut sleeve, and one end of the connecting plate, which is close to the connecting rod, is integrally formed with the connecting rod; and two sides of the connecting plate are respectively provided with 1 guide post which is in sliding guide fit with the guide bearing at the corresponding position.
Preferably, two ends of the connecting rod are respectively fixed with the sliding seats at corresponding positions through bolts.
Preferably, the connecting rod is provided with a limiting block, and the middle part of the limiting block is provided with a limiting groove; the lower end of the telescopic end of the pressing cylinder is located in the limiting groove.
Preferably, the fixing seat comprises an upper bearing plate and a lower bearing plate; 4 support columns are arranged between the 2 bearing plates; the bearing plate and the top plate which are positioned below are fixed through bolts, and the middle parts of the bearing plate and the top plate are penetrated through by the lower ends of the torque sensors.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) The utility model discloses a nut tightening mechanism for assembling the generator belt pulley, a servo motor cooperates with a speed reducer to drive a telescopic universal coupling and a nut sleeve to rotate, and a large-torque lock nut can be realized; a torque sensor is arranged between the telescopic universal coupling and the speed reducer and can be used for monitoring torque change in the nut tightening process.
(2) The utility model discloses a nut tightening mechanism for assembling a generator belt pulley, the telescopic end of a down-pressing cylinder can drive a connecting rod and sliding seats at two sides of the connecting rod to move up and down along linear guide rails at corresponding positions; when the connecting rod moves, the connecting rod can drive the connecting plate integrally formed with the connecting rod to move, and then the nut sleeve is driven to move to the height matched with the rechargeable generator; the nut sleeve and the connecting plate can slide relatively so as to adapt to rotors with different heights; when the connecting plate moves downwards, the nut sleeve is driven to move downwards; when the nut in the nut sleeve contacts with the end face of the rotor shaft, the nut sleeve stops moving downwards, and the nut is tightly attached to the rotor shaft through elastic force generated by the spring above the connecting shaft, so that the nut is locked into the threads of the rotor shaft.
(3) The utility model discloses a nut tightening mechanism for assembling the generator belt pulley can realize the tightening of the generator nuts of different models through replacing the tool, and has high flexibility; adopt servo motor to realize that the nut screws up the automation, not only can save man-hour, can also cooperate torque sensor to use, realize locking torque control and detection, avoided adopting electronic or manual spanner to carry out the uncontrollable problem of moment size that exists when the nut screws up through the impact force.
Drawings
Fig. 1 is an external schematic view of the present invention;
fig. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged view at A in FIG. 1;
FIG. 4 is a flow chart of the operation of the apparatus of the present invention;
description of the main reference numbers:
1. a base plate; 2. a top plate; 3. a support bar; 4. mounting a plate; 5. a linear guide rail; 6. a slide base; 7. a connecting rod; 8. a fixing plate; 9. pressing down the air cylinder; 10. a fixed seat; 11. a servo motor; 12. a speed reducer; 13. a torque sensor; 14. a telescopic universal coupling; 15. a guide seat; 16. a nut socket; 17. a connecting plate; 18. a limiting block; 19. a limiting groove; 20. a bearing plate; 21. a support pillar; 22. a rechargeable generator; 23. a spring; 24. a guide bearing; 25. a guide post; 26. a product seat; 27. a connecting shaft; 28. an automatic card-transferring module.
Detailed Description
The following is a clear and complete description of the technical solutions of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by the skilled person in the art without making creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be connected internally between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to the drawings, a nut tightening mechanism for assembling a generator pulley comprises:
a bottom plate 1, a top plate 2 is arranged above the bottom plate; a plurality of support rods 3 are arranged between the top plate 2 and the bottom plate 1; a mounting plate 4 is arranged on 2 support rods 3 close to the front end of the top plate 2, and two sides of the mounting plate 4 are respectively provided with 1 linear guide rail 5; a slide seat 6 in sliding fit with the linear guide rail 5 is arranged on the linear guide rail; 2 sliding seats 6 are connected through a connecting rod 7;
a fixing plate 8 arranged on the mounting plate 4; a lower pressure cylinder 9 is arranged on the fixed plate 8, and the telescopic end of the lower pressure cylinder 9 penetrates through the fixed plate 8 and is fixedly connected with the middle part of the connecting rod 7;
the fixed seat 10 is arranged above the front end of the top plate 2; the fixed seat 10 is provided with a servo motor 11 and a speed reducer 12; the speed reducer 12 is positioned below the servo motor 11 and connected with an output shaft of the servo motor 11;
the torque sensor 13 is arranged in the fixed seat 10, the upper end of the torque sensor is connected with an output shaft of the speed reducer 12, and the lower end of the torque sensor penetrates through the bottom plate 1 and the top plate 2 of the fixed seat 10 and is connected with a telescopic universal coupling 14; the middle part of the telescopic universal coupling 14 is sleeved with a spring 23, and the bottom of the spring is connected with a guide seat 15 through a connecting shaft 27; two sides of the guide seat 15 are respectively provided with a guide bearing 24, and the middle part of the guide seat is horizontally provided with a ball bearing; the ball bearing inner ring is penetrated by the connecting shaft 27 and fixedly connected with the connecting shaft 27, and the ball bearing can elastically deviate along the radial direction in the guide seat 15 to offset the axle center deviation possibly generated when the nut is locked; the bottom of the connecting shaft 27 is connected with a nut sleeve 16, and a magnet is arranged in the nut sleeve 16 to adsorb the nut so that the nut cannot fall off;
a connecting plate 17 disposed below the guide holder 15; the middle part of the connecting plate 17 is penetrated by a nut sleeve 16, and one end of the connecting plate, which is close to the connecting rod 7, is integrally formed with the connecting rod 7; two sides of the connecting plate 17 are respectively provided with 1 guide column 25 which is matched with the guide bearing 24 at the corresponding position in a sliding and guiding way.
In this embodiment, both ends of the connecting rod 7 are respectively fixed to the slide 6 at the corresponding positions by bolts. A limiting block 18 is arranged on the connecting rod 7, and a limiting groove 19 is formed in the middle of the limiting block 18; the lower end of the telescopic end of the lower air cylinder 9 is positioned in the limiting groove 19. The fixed seat 10 comprises an upper bearing plate 20 and a lower bearing plate 20; 4 support columns 21 are arranged between the 2 bearing plates 20; the lower bearing plate 20 is fixed to the top plate 2 by bolts, and the middle part thereof is penetrated by the lower end of the torque sensor 13. It should be noted that when the telescopic end of the pressing cylinder 9 extends downward, the connecting plate 17 is driven to move downward; at this time, the guide holder 15 and the nut socket 16 move downward due to the elastic force generated by the spring 23 being compressed; when the telescopic end of the air cylinder 9 moves upwards, the connecting plate 17 drives the guide seat 15 to move upwards, and the spring 23 is compressed again.
The working principle is as follows: the utility model discloses a nut tightening mechanism for assembling a generator belt pulley can realize locking torque control and detection, and control equipment operation through a controller connected with an electric control cabinet, and realize the automation of a servo tightening nut; rechargeable generator 22 that waits to carry out the nut to screw up is assembled and is placed on product seat 26, and it is right before the use the utility model discloses a nut screws up the mechanism and carries out initialization and self-checking operation, then through the built-in non-standard of automatically controlled cabinet independently designed control system control servo motor 11 with the moment of torsion of settlement, screws up the nut branch three stage: assembling at the first stage, rotating the nut at the speed of 25r/min and aligning the nut with the same axis, and simultaneously detecting and calculating whether the nut is locked obliquely by a control system; the second stage is pre-locking, and the nut is quickly locked at the speed of 100 r/min; tightening at the third stage, locking the nut to a set torque at the speed of 25r/min, and simultaneously detecting whether the poor thread slipping exists; the torque sensor 13 collects data in the nut screwing process and feeds back the torque to the control system in real time to perform PID operation until the detected torque reaches a set value, and the screwing is completed.
Additionally, the utility model discloses a nut tightening mechanism for generator belt pulley assembly can be according to actual need, sets for the supervision that the nut cover reverses after the number of times, time interval and the nut of the repeated screwing of nut tightened to nut sleeve 16 and nut separation. The rear part of the nut screwing mechanism for assembling the generator belt pulley is also provided with an automatic clamping and rotating module 28, and the automatic clamping and rotating module 28 is arranged on the bottom plate 1; when the special module is used as a built-in fan blade generator type, the front end of the special module is automatically and radially clamped into a groove on the circumferential surface of a claw pole of a rotor during working.
The utility model discloses a nut tightening mechanism is used in assembly of generator belt pulley, the biggest locking moment that servo motor 11 can realize is 250N.m, and moment error control is within 7%. The nut screwing mechanism for assembling the generator belt pulley can automatically detect the inclined lock and the sliding tooth and give an alarm, and when the nut is screwed up qualified, qualified information is fed back; and when the nut is not tightened satisfactorily, the press fitting is stopped and an audible and visual alarm is triggered. It should be noted that, the inclined lock and the sliding tooth are judged by monitoring and implementing torque calculation; if the lock is locked obliquely, the servo motor 11 stops rotating, and the pressing cylinder 9 cannot reset; if the teeth slip, the servo motor 11 is always operated, and the push-down cylinder 9 is not reset. The two abnormal conditions can display corresponding alarm information on a display screen of the controller.
The utility model discloses a nut tightening mechanism for generator pulley assembly still reserves the long-range data function of uploading, through make corresponding procedure and reserve the interface in the control system of autonomous design in the automatically controlled cabinet, carries out the data interaction through the network in real time with the remote computer, conveniently realizes automatic long-range data uploading, remote monitoring and control; screwing up data and bearing power of impressing and realizing automatic recording and analysis that gathers, can easily realize the quality management and control.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application, to thereby enable others skilled in the art to make and utilize various exemplary embodiments of the invention and various alternatives and modifications. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (4)
1. The utility model provides a nut tightening mechanism for generator belt pulley assembly which characterized in that includes:
a top plate is arranged above the bottom plate; a plurality of supporting rods are arranged between the top plate and the bottom plate; 2 support rods close to the front end of the top plate are provided with a mounting plate, and two sides of the mounting plate are respectively provided with 1 linear guide rail; the linear guide rail is provided with a sliding seat in sliding fit with the linear guide rail; 2 sliding seats are connected through a connecting rod;
the fixing plate is arranged on the mounting plate; a lower air cylinder is arranged on the fixed plate, and the telescopic end of the lower air cylinder penetrates through the fixed plate and is fixedly connected with the middle part of the connecting rod;
the fixed seat is arranged above the front end of the top plate; a servo motor and a speed reducer are arranged on the fixed seat; the speed reducer is positioned below the servo motor and is connected with an output shaft of the servo motor;
the torque sensor is arranged in the fixed seat, the upper end of the torque sensor is connected with an output shaft of the speed reducer, and the lower end of the torque sensor penetrates through the bottom plate and the top plate of the fixed seat and is connected with a telescopic universal coupling; the middle part of the telescopic universal coupling is sleeved with a spring, and the bottom of the telescopic universal coupling is connected with a guide seat through a connecting shaft; two sides of the guide seat are respectively provided with a guide bearing, and the middle part of the guide seat is horizontally provided with a ball bearing; the ball bearing inner ring is penetrated by the connecting shaft and is fixedly connected with the connecting shaft; the bottom of the connecting shaft is connected with a nut sleeve, and a magnet is arranged in the nut sleeve;
the connecting plate is arranged below the guide seat; the middle part of the connecting plate is penetrated by the nut sleeve, and one end of the connecting plate, which is close to the connecting rod, is integrally formed with the connecting rod; and two sides of the connecting plate are respectively provided with 1 guide post which is in sliding guide fit with the guide bearing at the corresponding position.
2. The nut tightening mechanism for generator pulley assembly according to claim 1, wherein both ends of the connecting rod are respectively fixed to the sliding bases at corresponding positions by bolts.
3. The nut tightening mechanism for assembling the generator belt pulley according to claim 1, wherein a limiting block is arranged on the connecting rod, and a limiting groove is formed in the middle of the limiting block; the lower end of the telescopic end of the pressing cylinder is located in the limiting groove.
4. The nut tightening mechanism for generator pulley assembly according to claim 1, wherein the fixing seat comprises an upper bearing plate and a lower bearing plate; 4 support columns are arranged between the 2 bearing plates; the bearing plate and the top plate which are positioned below are fixed through bolts, and the middle part of the bearing plate is penetrated through by the lower end of the torque sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222167292.0U CN217832574U (en) | 2022-08-17 | 2022-08-17 | Nut tightening mechanism for assembling generator belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222167292.0U CN217832574U (en) | 2022-08-17 | 2022-08-17 | Nut tightening mechanism for assembling generator belt pulley |
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| Publication Number | Publication Date |
|---|---|
| CN217832574U true CN217832574U (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222167292.0U Active CN217832574U (en) | 2022-08-17 | 2022-08-17 | Nut tightening mechanism for assembling generator belt pulley |
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| CN (1) | CN217832574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116728061A (en) * | 2023-06-12 | 2023-09-12 | 上海胤勤自动化科技有限公司 | Tightening assembly equipment and working method thereof |
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2022
- 2022-08-17 CN CN202222167292.0U patent/CN217832574U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116728061A (en) * | 2023-06-12 | 2023-09-12 | 上海胤勤自动化科技有限公司 | Tightening assembly equipment and working method thereof |
| CN116728061B (en) * | 2023-06-12 | 2024-05-03 | 上海胤勤自动化科技有限公司 | Tightening assembly equipment and working method thereof |
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