CN210071316U - Tension pulley torsional spring fatigue test machine - Google Patents
Tension pulley torsional spring fatigue test machine Download PDFInfo
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- CN210071316U CN210071316U CN201921870058.6U CN201921870058U CN210071316U CN 210071316 U CN210071316 U CN 210071316U CN 201921870058 U CN201921870058 U CN 201921870058U CN 210071316 U CN210071316 U CN 210071316U
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- pulley
- mounting panel
- belt
- torsion spring
- belt pulley
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Abstract
The utility model discloses a take-up pulley torsional spring fatigue test machine, main motor (14) and the output shaft of assisting motor (15) all run through mounting panel (13) and extend in mounting panel (13) top, install carousel (16) on the extension of main motor (14) output shaft, the top of carousel (16) seted up with fixed casing (4) outline assorted recess (17) of take-up pulley (24), belt pulley (2) of take-up pulley (24) are located the top of mounting panel (13), assist the extension of motor (15) output shaft and serve and install driving pulley (18), install belt (19) between driving pulley (18) and belt pulley (2). The utility model has the advantages that: compact structure, can be at the motionless rotational speed of belt pulley, test torsional spring force value, easy operation under the belt pulley different position condition.
Description
Technical Field
The utility model relates to a torsional spring fatigue test's technical field, especially a take-up pulley torsional spring fatigue test machine.
Background
The tensioner is a belt tensioner for an automotive transmission. The tension wheel can automatically adjust the tension according to different tightness degrees of the belt, so that the belt transmission system is stable, safe and reliable, and the tension wheel is an indispensable important part in the belt transmission system. As shown in fig. 1 to 5, which are schematic structural diagrams of a tensioning wheel, the tensioning wheel comprises a support plate (1), a belt pulley (2), a torsion spring (3) and a fixed casing (4), wherein a hollow shaft (5) is fixedly arranged on the top surface of one end of the support plate (1), the belt pulley (2) is rotatably arranged outside the hollow shaft (5), a hollow round table (6) penetrating through the support plate (1) is fixedly arranged on the top surface of the other end of the support plate (1), a clamping groove a (7) axially arranged along the hollow round table (6) is arranged on the cylindrical surface at the top end of the hollow round table (6), a central shaft (8) is fixedly arranged in the fixed casing (4), a torsion spring pressing sleeve (9) is sleeved outside the central shaft (8), a clamping groove B (10) communicated with the inner cavity of the fixed casing (4) is arranged on the cylindrical surface of the fixed casing (4), and the torsion spring pressing sleeve, and the basal surface of the fixed shell (4) is supported on the top surface of the support plate (1), the top of the hollow circular truncated cone (6) is sleeved with the torsion spring (3) and supported on the top surface of the support plate (1), the torsion spring (3) is positioned in the inner cavity of the fixed shell (4), a leg I of the torsion spring (3) is clamped in the clamping groove A (7), another leg II (11) of the torsion spring (3) penetrates through the clamping groove B (10) and is arranged in a bending mode outwards, when the tension pulley is used, the belt pulley (2) is always supported on a belt of a belt transmission system under the torsion force of the torsion spring (3), after the belt pulley (2) rotates for a long time, the spring force value of the torsion spring (3) is gradually attenuated, the belt pulley (2) and the belt are loosened, the service life of the tension pulley is shortened. Therefore, the fatigue testing machine capable of testing the spring force value of the torsion spring in the tension wheel under the conditions of the fixed rotating speed of the belt pulley and different positions of the belt pulley is urgently needed, the damping force value of the spring can be obtained according to the tested spring force value and the comparison before the test, and the torsion spring is convenient to optimize in the later period.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a compact structure, can test torsional spring force value, easy operation's take-up pulley torsional spring fatigue test machine under the different position condition that the rotational speed that the belt pulley is motionless, belt pulley locate.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a take-up pulley torsional spring fatigue test machine, it includes quick-witted case, sets firmly the mounting panel in quick-witted roof portion, the bottom fixed mounting of mounting panel has the main motor that is located quick-witted incasement and assists the motor, and main motor and the equal vertical setting of assisting the motor, the output shaft of main motor and assisting the motor all runs through the mounting panel and extend in the mounting panel top, install the carousel on the extension end of main motor output shaft, the top of carousel offer with the fixed casing outline assorted recess of take-up pulley, the belt pulley of take-up pulley is located the top of mounting panel, assist the extension of motor output shaft and serve and install driving pulley, install the belt between driving pulley.
The top of the case is provided with guide rails on the front side and the rear side of the mounting plate, and the guide rails are horizontally arranged.
Two sliding covers are slidably mounted between the two guide rails and are respectively positioned on the left side and the right side of the mounting plate.
The top of the case is provided with a through groove, and the mounting plate is positioned right above the through groove and fixed on the top of the case through screws.
The left side and the right side of the case are both hinged with side doors.
The utility model has the advantages of it is following: the utility model discloses compact structure, can test torsional spring force value, easy operation under the different position condition that the rotational speed that the belt pulley is motionless, belt pulley locate.
Drawings
FIG. 1 is a schematic view of a tensioner configuration;
FIG. 2 is a schematic view of a tensioner plate;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic view of the mounting of the brace and torsion spring;
FIG. 5 is a schematic structural view of the stationary housing;
fig. 6 is a schematic structural view of the present invention;
FIG. 7 is an enlarged view of part I of FIG. 6;
FIG. 8 is a front view of FIG. 7;
FIG. 9 is a schematic structural view of the turntable;
in the figure, 1-support plate, 2-belt pulley, 3-torsion spring, 4-fixed shell, 5-hollow shaft, 6-hollow circular truncated cone, 7-clamping groove A, 8-central shaft, 9-torsion spring pressing sleeve, 10-clamping groove B, 11-leg II, 12-cabinet, 13-mounting plate, 14-main motor, 15-auxiliary motor, 16-rotary table, 17-groove, 18-driving belt pulley, 19-belt, 20-guide rail, 21-sliding cover, 22-screw, 23-side door and 24-tension wheel.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
as shown in fig. 6 to 9, a tension pulley torsion spring fatigue testing machine comprises a machine case 12 and a mounting plate 13 fixedly arranged at the top of the machine case 12, wherein a main motor 14 and an auxiliary motor 15 which are arranged in the machine case 12 are fixedly arranged at the bottom of the mounting plate 13, the main motor 14 and the auxiliary motor 15 are vertically arranged, output shafts of the main motor 14 and the auxiliary motor 15 penetrate through the mounting plate 13 and extend above the mounting plate 13, a rotary table 16 is arranged at an extending end of an output shaft of the main motor 14, a groove 17 matched with the outer contour of a fixed shell 4 of a tension pulley 24 is formed in the top of the rotary table 16, a belt pulley 2 of the tension pulley 24 is arranged above the mounting plate 13, a driving belt pulley 18 is arranged at an extending end of the output shaft of the auxiliary motor 15, and a.
The top of the case 12 and the front and rear sides of the mounting plate 13 are both provided with guide rails 20, and the guide rails 20 are horizontally arranged. Two sliding covers 21 are slidably mounted between the two guide rails 20, the two sliding covers 21 are respectively located on the left side and the right side of the mounting plate 13, and after the two sliding covers 21 move oppositely, the sliding covers 21 cover the outside of the mounting plate 13, so that the safety protection effect is achieved in the test. A through groove is formed in the top of the case 12, and the mounting plate 13 is located right above the through groove and fixed to the top of the case 12 through a screw 22. The left side and the right side of the case 12 are both hinged with side doors 23, and operators can open and close the main motor and the auxiliary motor through the side doors 23.
The working process of the utility model is as follows:
and (3) testing the spring force value of the torsion spring of the belt pulley under the conditions of the same rotating speed and different positions:
s1, embedding the fixing shell 4 of the tension wheel 24 to be tested into the groove 17 to realize the quick tool fixing of the tension wheel 24 to be tested;
s2, an operator turns on the main motor 14, the main motor 14 drives the turntable 16 to rotate in the circumferential direction, the turntable 16 drives the belt pulley 2 of the tension pulley 24 to rotate in the circumferential direction, and the main motor 14 is turned off after the rotation of a certain angle; the operator then installs the belt 19 between the drive pulley 18 and the pulley 2, the pulley 2 tensioning the belt 19, the belt 19 being used to simulate a belt in a belt drive system tensioned by the pulley 2; then, the operator turns on the auxiliary motor 15, the auxiliary motor 15 drives the driving belt pulley 18 to rotate, and the driving belt pulley 18 drives the belt pulley 2 to rotate through the belt 19; after 3 hours, the auxiliary motor 15 is closed, the tension wheel 24 is taken down from the groove 17, the fixed shell 4 of the tension wheel 24 is disassembled, the torsion spring 3 is disassembled, the spring force value of the torsion spring 3 is tested by the spring testing machine, and the attenuation force value of the torsion spring 3 can be obtained by comparing the spring force value of the torsion spring 3 before the test;
s3, another identical tension pulley 24 is taken out, the tension pulley 24 tool is fixed, the main motor 14 is turned on, the main motor 14 drives the turntable 16 to rotate in the circumferential direction, the turntable 16 drives the belt pulley 2 of the tension pulley 24 to rotate in the circumferential direction, after the belt pulley 2 rotates for a certain angle, the main motor 14 is turned off, and the position where the belt pulley 2 stays is ensured to be different from the position where the belt pulley stays in the step S2; turning on the auxiliary motor 15 and ensuring that the output rotation speed of the auxiliary motor 15 is equal to step S2; repeating the remaining operations of step S2 to obtain the tested spring force value of pulley 2 at this position; repeating the step S3 for multiple times to measure the spring force value of the torsion spring 3 under the condition that the belt pulley 2 is at the same rotating speed and at different positions, and further obtain the damping force value of the torsion spring 3;
and (3) testing the spring force value of the torsion spring of the belt pulley at the same position under the condition of immovable rotating speed:
s10, embedding the fixing shell 4 of the tension wheel 24 to be tested into the groove 17 to realize the quick tool fixing of the tension wheel 24 to be tested;
s11, an operator turns on the main motor 14, the main motor 14 drives the turntable 16 to rotate in the circumferential direction, the turntable 16 drives the belt pulley 2 of the tension pulley 24 to rotate in the circumferential direction, and the main motor 14 is turned off after the rotation of a certain angle; the operator then installs the belt 19 between the driving pulley 18 and the pulley 2, the pulley 2 tensioning the belt 19; then, the operator turns on the auxiliary motor 15, the auxiliary motor 15 drives the driving belt pulley 18 to rotate, and the driving belt pulley 18 drives the belt pulley 2 to rotate through the belt 19; after 3 hours, the auxiliary motor 15 is closed, the tension wheel 24 is taken down from the groove 17, the fixed shell 4 of the tension wheel 24 is disassembled, the torsion spring 3 is disassembled, the spring force value of the torsion spring 3 is tested by the spring testing machine, and the attenuation force value of the torsion spring 3 can be obtained by comparing the spring force value of the torsion spring 3 before the test;
s12, another identical tension pulley 24 is taken out, and the tension pulley 24 tool is fixed on the turntable 16 in the step S11, so that the installation positions of the tension pulleys 24 are identical; adjusting the rotation speed of the auxiliary motor 15 to make the rotation speed different from the rotation speed in the step S11, after 3 hours, closing the auxiliary motor 15 and taking down the tension wheel 24 from the groove 17, disassembling the fixed shell 4 of the tension wheel 24 and disassembling the torsion spring 3, and testing the spring force value of the torsion spring 3 by a spring testing machine; repeating the step S12 for multiple times to measure the spring force value of the torsion spring 3 at the same position and under the condition of the fixed rotating speed of the belt pulley 2, and further obtain the damping force value of the torsion spring 3;
the foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (5)
1. The utility model provides a take-up pulley torsional spring fatigue test machine, it includes quick-witted case (12), sets firmly mounting panel (13) at quick-witted case (12) top, its characterized in that: the utility model discloses a take turns to the top of mounting panel (13), the bottom fixed mounting of mounting panel (13) has main motor (14) and auxiliary motor (15) that are located quick-witted case (12), and main motor (14) and auxiliary motor (15) all set up vertically, and the output shaft of main motor (14) and auxiliary motor (15) all runs through mounting panel (13) and extends in mounting panel (13) top, install carousel (16) on the extension end of main motor (14) output shaft, fixed casing (4) outline assorted recess (17) with take-up pulley (24) are seted up at the top of carousel (16), and belt pulley (2) of take-up pulley (24) are located mounting panel (13), install driving pulley (18) on the extension end of auxiliary motor (15) output shaft, install belt (19) between driving pulley (18) and belt pulley (2).
2. The tension pulley torsion spring fatigue testing machine of claim 1, wherein: the top of the case (12) is provided with guide rails (20) on the front side and the rear side of the mounting plate (13), and the guide rails (20) are horizontally arranged.
3. A tensioner torsion spring fatigue testing machine as claimed in claim 2, wherein: two sliding covers (21) are slidably mounted between the two guide rails (20), and the two sliding covers (21) are respectively positioned at the left side and the right side of the mounting plate (13).
4. The tension pulley torsion spring fatigue testing machine of claim 1, wherein: a through groove is formed in the top of the case (12), and the mounting plate (13) is located right above the through groove and fixed to the top of the case (12) through screws (22).
5. The tension pulley torsion spring fatigue testing machine of claim 1, wherein: the left side and the right side of the case (12) are both hinged with side doors (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921870058.6U CN210071316U (en) | 2019-11-01 | 2019-11-01 | Tension pulley torsional spring fatigue test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921870058.6U CN210071316U (en) | 2019-11-01 | 2019-11-01 | Tension pulley torsional spring fatigue test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210071316U true CN210071316U (en) | 2020-02-14 |
Family
ID=69431502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921870058.6U Active CN210071316U (en) | 2019-11-01 | 2019-11-01 | Tension pulley torsional spring fatigue test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210071316U (en) |
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2019
- 2019-11-01 CN CN201921870058.6U patent/CN210071316U/en active Active
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