CN211855801U - Spring fatigue test mechanism - Google Patents
Spring fatigue test mechanism Download PDFInfo
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- CN211855801U CN211855801U CN202020283504.XU CN202020283504U CN211855801U CN 211855801 U CN211855801 U CN 211855801U CN 202020283504 U CN202020283504 U CN 202020283504U CN 211855801 U CN211855801 U CN 211855801U
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- fixed
- fatigue test
- test mechanism
- spring fatigue
- plate
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000005192 partition Methods 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 28
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a spring fatigue test mechanism, it includes frame etc, the bottom at the frame is fixed to the base, the motor cabinet is fixed on the top of base, buncher installs on the motor cabinet, first sprocket is connected with buncher, be connected through the chain between second sprocket and the first sprocket, be connected through the transmission shaft between eccentric wheel and the second sprocket, the baffle is located buncher's top and fixed with the frame, the counter, the sensor is located the baffle, be connected through the wire between counter and the sensor, activity slide and guide pillar sliding connection, the upper and lower both ends of guide pillar respectively with the baffle, the roof is fixed. The utility model provides high test data reliability has saved the manual work, has improved efficiency.
Description
Technical Field
The utility model relates to a test mechanism especially relates to a spring fatigue test mechanism.
Background
The existing spring fatigue test mode is that a speed regulating motor drives a belt, the belt drives an eccentric wheel to rotate through a transmission shaft, then a connecting rod drives an adjustable slide block through the eccentric wheel, and the adjustable slide block drives a movable slide plate to slide in a guide pillar, so that a spring in test is uniformly stressed at a constant speed, and the purpose of fatigue test is achieved by testing whether the spring force is qualified after a certain number of times. The relevance is influenced by external force factors, and the final test effect can be seriously influenced by test interruption caused by belt slipping, breakage and other factors in the test process. The existing mechanism has single testing distance, can only test the distance with fixed size, and can not give full play to the service performance of the spring with different distances. From the aspect of test times, a lot of uncertainties also exist, counting can only be achieved through manually measuring and calculating the time required by converting the test times per minute into the total times, and if the counting is stopped midway, workers do not find that the experimental data are invalid directly.
Disclosure of Invention
To the above situation, in order to overcome the defects of the prior art, the utility model provides a spring fatigue test mechanism.
The utility model discloses a solve above-mentioned technical problem through following technical scheme: a spring fatigue test mechanism is characterized by comprising a frame, a base, a speed regulating motor, a first chain wheel, a counter, a sensor, a movable sliding plate, a guide pillar, a chain, an eccentric wheel, a connecting rod, a connecting block, a motor base, a partition plate, a lead, a top plate, a fixing plate, a first locating block, a second chain wheel and a transmission shaft, wherein the base is fixed at the bottom of the frame, the motor base is fixed at the top end of the base, the speed regulating motor is installed on the motor base, the first chain wheel is connected with the speed regulating motor, the second chain wheel is connected with the first chain wheel through the chain, the eccentric wheel is connected with the second chain wheel through the transmission shaft, the partition plate is positioned above the speed regulating motor and fixed with the frame, the counter and the sensor are positioned on the partition plate, the counter is connected with the sensor through the lead, the movable sliding, The roof is fixed, and the fixed plate is fixed with the guide pillar, and the connecting block is fixed on the bottom of activity slide, and first locating piece is fixed on the bottom of fixed plate, and the second locating piece is fixed on the top of activity slide, is connected through the connecting rod between connecting block and the eccentric wheel.
Preferably, the sensor is an inductive sensor.
Preferably, the eccentric is a replaceable eccentric.
Preferably, a reset button is arranged on the counter.
Preferably, a through hole is formed in the partition plate, so that the connecting rod can conveniently penetrate through the through hole.
Preferably, the first positioning block and the second positioning block are both provided with a notch and a connecting shaft, and the connecting shaft penetrates through the notch.
Preferably, the diameter of the first sprocket is smaller than the diameter of the second sprocket.
Preferably, the drive shaft is mounted on a bracket.
Preferably, the top plate is connected with the fixing plate through a supporting rod, and a fixing block is arranged between the supporting rod and the fixing plate.
The utility model discloses an actively advance the effect and lie in: the utility model provides a, according to the different performance requirements of spring, fatigue test needs the distance of test spring also different, the utility model discloses change original integral type eccentric wheel into removable formula eccentric wheel, reach the purpose of change test distance through changing different eccentric wheels, can solve the different distance test requirements of the same kind of spring, also can satisfy different spring model distance test requirements, optimized fatigue test mechanism's utilization ratio and experimental variety. Through changing the eccentric wheel, make different spring models and different distance test requirements satisfied, increased fatigue testing machine data variety and efficiency. Under the condition of not changing the processing principle, the working mode is more stable, and experimental data are powerfully guaranteed.
Secondly, if the fatigue testing mechanism stops operating due to power failure and other non-artificial factors in the testing process, the counter stops counting; when the testing times reach the set times, the counter sends a signal, the fatigue testing mechanism can automatically stop running, the original manual counting is changed into automatic timing, the reaching times are automatically stopped, the reliability of the testing data is greatly improved, the labor is saved, and the efficiency is improved.
Third, on the basis of originally using belt transmission, changed into first sprocket, second sprocket and driven chain drive, eliminated hidden danger such as the belt can skid, fracture, increased the durability by a wide margin, make the experiment can be complete, smooth going on. The utility model discloses there is uncertainty to counting problem among the spring fatigue test process, is changed into the inductor count by artifical count, has reduced the artificial dependency of fatigue test mechanism, has increased the accuracy of data. And the belt transmission which is not durable is replaced by chain transmission in a transmission mechanism, so that the uncertainty in the test process is greatly reduced.
Drawings
Fig. 1 is the utility model discloses one side spatial structure schematic diagram of spring fatigue test mechanism.
Fig. 2 is the utility model discloses spring fatigue test mechanism's opposite side spatial structure sketch map.
Fig. 3 is a schematic structural view of the spring initially stressed by the present invention.
Fig. 4 is a schematic structural view of the spring after being stressed.
Detailed Description
The following provides a preferred embodiment of the present invention with reference to the accompanying drawings to explain the technical solutions of the present invention in detail.
As shown in fig. 1 to 4, the spring fatigue test mechanism of the present invention comprises a frame 1, a base 2, a speed-regulating motor 3, a first sprocket 4, a counter 5, a sensor 6, a movable sliding plate 7, a guide post 8, a chain 9, an eccentric wheel 10, a connecting rod 11, a connecting block 12, a motor base 13, a partition 14, a wire 15, a top plate 16, a fixing plate 17, a first positioning block 18, a second positioning block 19, a second sprocket 22, and a transmission shaft 23, wherein the base 2 is fixed at the bottom of the frame 1, the motor base 13 is fixed at the top end of the base 2, the speed-regulating motor 3 is installed on the motor base 13, the first sprocket 4 is connected with the speed-regulating motor 3, the second sprocket 22 is connected with the first sprocket 4 through the chain 9, the eccentric wheel 10 is connected with the second sprocket 22 through the transmission shaft 23, the partition 14 is located above the speed-regulating motor 3 and fixed with the frame 1, the, the counter 5 is connected with the sensor 6 through a wire 15, the movable sliding plate 7 is connected with the guide pillar 8 in a sliding mode, the upper end and the lower end of the guide pillar 8 are fixed with the partition plate 14 and the top plate 16 respectively, the fixing plate 17 is fixed with the guide pillar 8, the connecting block 12 is fixed to the bottom end of the movable sliding plate 7, the first positioning block 18 is fixed to the bottom end of the fixing plate 17, the second positioning block 19 is fixed to the top end of the movable sliding plate 7, and the connecting block 12 is connected with the eccentric wheel 10 through the connecting rod.
The sensor 6 can be an inductive sensor, can measure parameters such as displacement, pressure, vibration, strain, flow and the like, and has the advantages of simple structure, high sensitivity, high output power, small output impedance, strong anti-interference capability, high measurement precision and the like.
The counter 5 is provided with a reset button 51, which is convenient for use.
The partition 14 is provided with a through hole 141 for the connecting rod 11 to pass through.
The first positioning block 18 and the second positioning block 19 are both provided with a notch 20 and a connecting shaft 21, the connecting shaft 21 penetrates through the notch 20, two ends of the spring 25 can be conveniently fixed on the connecting shaft 21, and the operation is simple.
The diameter of the first chain wheel 4 is smaller than that of the second chain wheel 22, so that the driving is convenient.
The drive shaft 23 is mounted on a bracket 24 for added stability.
The top plate 16 is connected with the fixing plate 17 through a supporting rod 27, and a fixing block 26 is arranged between the supporting rod 27 and the fixing plate 17 for firm fixing.
The working principle of the utility model is as follows: the utility model discloses a frame 1, base 2, buncher 3, first sprocket 4, counter 5, sensor 6, activity slide 7, guide pillar 8, chain 9, eccentric wheel 10, connecting rod 11, connecting block 12, motor cabinet 13, baffle 14, wire 15, roof 16, fixed plate 17, first locating piece 18, second locating piece 19, second sprocket 22, transmission shaft 23, support 24, spring 25, fixed block 26, bracing piece 27, reset button 51, parts such as through-hole 141 are the parts that universal standard spare or technical field personnel know, its structure and principle all are this technical manual all can learn through the technical manual or learn through conventional experimental method. When the counter is used, two ends of the spring 25 are respectively connected with the first positioning block 18 and the second positioning block 19, the speed regulating motor 3 drives the eccentric wheel 10 to rotate through the first chain wheel 4, the second chain wheel 22 and the chain 9, the eccentric wheel 10 drives the movable sliding plate 7 to slide downwards along the guide post 8 through the connecting rod 11 and the connecting block 12, the counter 5 is connected with the sensor 6 through the lead 15, and when the movable sliding plate 7 approaches to the sensing surface of the sensor 6, the sensor 6 sends a signal and feeds the signal back to the counter 5. If the fatigue testing mechanism stops operating due to power failure and other non-artificial factors in the testing process, the counter 5 also stops counting; when the testing times reach the set times, the counter 5 sends a signal, the fatigue testing mechanism can automatically stop running, the original manual counting is changed into automatic timing, the reaching times are automatically stopped, the reliability of the testing data is greatly improved, the labor is saved, and the efficiency is improved. Secondly, on the basis of originally using belt transmission, first sprocket 4, second sprocket 22 have been changed into and have driven chain 9 transmission, have eliminated hidden danger such as the belt can skid, fracture, have increased the durability by a wide margin, make the experiment can be complete, smooth going on. The utility model discloses there is uncertainty to counting problem among the spring fatigue test process, is changed into the inductor count by artifical count, has reduced the artificial dependency of fatigue test mechanism, has increased the accuracy of data. And the belt transmission which is not durable is replaced by chain transmission in a transmission mechanism, so that the uncertainty in the test process is greatly reduced. The motor base 13 is convenient for placing the speed regulating motor 3, and the stability is improved.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A spring fatigue test mechanism is characterized by comprising a frame (1), a base (2), a speed regulating motor (3), a first chain wheel (4), a counter (5), a sensor (6), a movable sliding plate (7), a guide pillar (8), a chain (9), an eccentric wheel (10), a connecting rod (11), a connecting block (12), a motor base (13), a partition plate (14), a lead (15), a top plate (16), a fixing plate (17), a first positioning block (18), a second positioning block (19), a second chain wheel (22) and a transmission shaft (23), wherein the base (2) is fixed at the bottom of the frame (1), the motor base (13) is fixed at the top end of the base (2), the speed regulating motor (3) is arranged on the motor base (13), the first chain wheel (4) is connected with the speed regulating motor (3), the second chain wheel (22) is connected with the first chain wheel (4) through the chain (9), the eccentric wheel (10) is connected with the second chain wheel (22) through a transmission shaft (23), the partition plate (14) is located above the speed regulating motor (3) and fixed with the frame (1), the counter (5) and the sensor (6) are located on the partition plate (14), the counter (5) is connected with the sensor (6) through a wire (15), the movable sliding plate (7) is connected with the guide pillar (8) in a sliding mode, the upper end and the lower end of the guide pillar (8) are fixed with the partition plate (14) and the top plate (16) respectively, the fixing plate (17) is fixed with the guide pillar (8), the connecting block (12) is fixed to the bottom end of the movable sliding plate (7), the first positioning block (18) is fixed to the bottom end of the fixing plate (17), the second positioning block (19) is fixed to the top end of the movable sliding plate (7), and the connecting block (12) is connected with the eccentric wheel (10).
2. The spring fatigue test mechanism of claim 1, wherein the sensor (6) is an inductive sensor.
3. The spring fatigue test mechanism of claim 1, wherein the eccentric (10) is a replaceable eccentric.
4. A spring fatigue test mechanism according to claim 1, wherein a reset button (51) is provided on said counter (5).
5. The spring fatigue test mechanism according to claim 1, wherein the partition (14) is provided with a through hole (141) for allowing the connecting rod (11) to pass therethrough.
6. The spring fatigue test mechanism according to claim 1, wherein the first positioning block (18) and the second positioning block (19) are provided with a notch (20) and a connecting shaft (21), and the connecting shaft (21) passes through the notch (20).
7. The spring fatigue test mechanism of claim 1, wherein the diameter of the first sprocket (4) is smaller than the diameter of the second sprocket (22).
8. A spring fatigue test mechanism according to claim 1, wherein said drive shaft (23) is mounted on a bracket (24).
9. The spring fatigue test mechanism of claim 1, wherein the top plate (16) is connected to the fixing plate (17) through a support rod (27), and a fixing block (26) is disposed between the support rod (27) and the fixing plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020283504.XU CN211855801U (en) | 2020-03-10 | 2020-03-10 | Spring fatigue test mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020283504.XU CN211855801U (en) | 2020-03-10 | 2020-03-10 | Spring fatigue test mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211855801U true CN211855801U (en) | 2020-11-03 |
Family
ID=73132976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020283504.XU Expired - Fee Related CN211855801U (en) | 2020-03-10 | 2020-03-10 | Spring fatigue test mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211855801U (en) |
-
2020
- 2020-03-10 CN CN202020283504.XU patent/CN211855801U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |