CN210893639U - Testing arrangement in short-term test spring life-span - Google Patents
Testing arrangement in short-term test spring life-span Download PDFInfo
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- CN210893639U CN210893639U CN201921742643.8U CN201921742643U CN210893639U CN 210893639 U CN210893639 U CN 210893639U CN 201921742643 U CN201921742643 U CN 201921742643U CN 210893639 U CN210893639 U CN 210893639U
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Abstract
The utility model provides a short-term test spring life's testing arrangement, its simple structure ensures the short-term test to spring life. The back of a bottom plate of the L-shaped mounting seat is fixedly provided with a driving device, the output end of the driving device is sleeved with a spline shaft, the spline shaft penetrates through the back of the bottom plate and protrudes forwards, the front protruding part of the spline shaft is fixedly inserted into a spline groove of an eccentric wheel, a bearing is sleeved on the periphery of an outer ring of the eccentric wheel, a firing pin mounting through hole is arranged at the position, corresponding to the height of the bearing, of a vertical plate of the L-shaped mounting seat, the firing pin comprises a large-diameter end and a small-diameter end along the length direction of the firing pin, at least one part of the large-diameter end is positioned in the firing pin mounting through hole, the small-diameter end protrudes out of the firing pin mounting through hole and is arranged in a manner of being tightly attached to the corresponding position of an outer ring of the bearing, a gap is reserved.
Description
Technical Field
The utility model relates to a technical field of spring detection structure specifically is a short-term test spring life's testing arrangement.
Background
The existing device for testing the service life of the spring is complex in structure, and in practice, the spring needs to be kept in a stressed state for a long time, so that the service life of the spring cannot be rapidly detected.
Disclosure of Invention
To the problem, the utility model provides a short-term test spring life's testing arrangement, its simple structure ensures the short-term test to spring life.
The utility model provides a testing arrangement of short-term test spring life-span which characterized in that: the L-shaped mounting seat comprises an L-shaped mounting seat, a driving device is fixedly mounted on the back of a bottom plate of the L-shaped mounting seat, a spline shaft is sleeved at the output end of the driving device and penetrates through the bottom plate to be convex forwards, the convex part of the spline shaft is fixedly inserted into a spline groove of an eccentric wheel, a bearing is sleeved on the periphery of an outer ring of the eccentric wheel, a firing pin mounting through hole is arranged at the position, corresponding to the height of the bearing, of a vertical plate of the L-shaped mounting seat, a firing pin comprises a large-diameter end and a small-diameter end along the length direction of the firing pin, at least one part of the large-diameter end is positioned in the firing pin mounting through hole, the small-diameter end protrudes out of the firing pin mounting through hole and is arranged in a manner of being close to the corresponding position of an outer ring of the bearing, a gap is reserved between the large-diameter end and an inner ring wall of the firing pin mounting, a spring to be detected is arranged in the central inner cavity.
It is further characterized in that:
after the large-diameter end of the firing pin is arranged in the firing pin mounting through hole, the guide ring is fixedly connected to the end face, close to the bearing, of the vertical plate, a penetrating avoidance hole is formed in the center of the guide ring, the aperture of the penetrating avoidance hole is equal to the outer diameter of the small-diameter end, and the aperture of the penetrating avoidance hole is smaller than the outer diameter of the large-diameter end, so that the firing pin cannot be separated from the side close to the bearing;
the driving device is specifically a gear shifting device, the gear shifting device comprises a casing, a driving motor and a motor mounting frame, the motor mounting frame is fixedly arranged at one end of the casing, the driving motor is fixedly arranged on the motor mounting frame, a speed reducing structure is arranged in the casing, the output end of the driving motor is connected with the output end through the speed reducing structure, a spline shaft is sleeved at the output end, and a flange part of the casing is fixedly arranged at a corresponding position on the back surface of the bottom plate;
the driving motor is a 24V direct-current power supply, the rotating speed of the driving motor is adjusted by adjusting the current, and the cycle number of repeated compression of the spring is adjusted, so that the aim of quickly verifying the quality of the spring is fulfilled;
the spring sleeve also comprises a cover plate, and the cover plate is covered on the outer end face of the central inner cavity to ensure the smooth placement of the spring;
a pressing plate is further arranged at the position, close to the large-diameter end, of the central cavity, the outer end of the large-diameter end is pressed and attached to the pressing plate, the inner end face of the pressing plate is pressed and attached to the inner end of the corresponding spring, and accurate and reliable compression of the spring is guaranteed;
and a connecting flange is arranged on the outer ring of the inner end of the spring sleeve and fixedly connected to the corresponding position of the vertical plate through a bolt.
After the technical scheme is adopted, when power is input, the eccentric shaft drives the bearing to move, the bearing continues to move when rotating to the position of the firing pin, and then the large-diameter end of the firing pin is extruded to move, the spring is compressed when the firing pin starts to move, the bearing continues to the maximum displacement point when the firing pin is compressed to the maximum stress position of the spring, the spring rebounds and returns to the free and uncompressed state, the spring is repeatedly compressed through the device, and after the specified test times, whether the spring cracks or breaks is checked, so that whether the spring product meets the quality requirement of the product is judged; if the durability test is carried out by matching different springs, only the firing pin needs to be replaced. The disassembling and the installation are convenient, the whole test device has simple working principle, simple and convenient actual operation, convenient disassembly and assembly, low cost and good effect, and ensures the quick detection of the service life of the spring.
Drawings
Fig. 1 is a schematic top view structure of the present invention;
fig. 2 is a schematic structural diagram of a driving device according to an embodiment of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the device comprises an L-shaped mounting base 1, a bottom plate 101, a vertical plate 102, a driving device 2, a machine shell 21, a flange part 211, a driving motor 22, a motor mounting frame 23, a spline shaft 3, an eccentric wheel 4, a spline groove 41, a bearing 5, a striker mounting through hole 6, a striker 7, a large-diameter end 71, a small-diameter end 72, a spring sleeve 8, a central inner cavity 81, a connecting flange 82, a spring 9, a guide ring 10, a through avoidance hole 11, a cover plate 12 and a pressing plate 13.
Detailed Description
A test device for rapidly detecting the service life of a spring is shown in figures 1 and 2: the L-shaped mounting seat comprises an L-shaped mounting seat 1, a driving device 2 is fixedly arranged on the back of a bottom plate 101 of the L-shaped mounting seat 1, a spline shaft 3 is sleeved at the output end of the driving device 2, the spline shaft 3 penetrates through the bottom plate 101 to be convex forwards, the front convex part of the spline shaft 3 is fixedly inserted into a spline groove 41 of an eccentric wheel 4, a bearing 5 is sleeved on the periphery of an outer ring of the eccentric wheel 41, a striker mounting through hole 6 is arranged at the height position, corresponding to the bearing 5, of a vertical plate 102 of the L-shaped mounting seat 1, a striker 7 comprises a large-diameter end 71 and a small-diameter end 72 along the length direction of the striker 7, at least one part of the large-diameter end 71 is positioned in the striker mounting through hole 6, the small-diameter end 72 protrudes out of the striker mounting through hole 6 and is arranged in a manner of being clung to the corresponding position of the outer ring of the bearing 5, a gap is reserved between the large-diameter end 71 and, a spring 9 to be detected is arranged in the central cavity 8.
After the large-diameter end 71 of the striker 7 is arranged in the striker mounting through hole 6, the guide ring 10 is fixedly connected to the end surface of the vertical plate 102 close to the bearing 5, the center of the guide ring 10 is provided with a through avoidance hole 11, the aperture of the through avoidance hole 11 is equal to the outer diameter of the small-diameter end 72, and the aperture of the through avoidance hole 11 is smaller than the outer diameter of the large-diameter end 71, so that the striker 7 is ensured not to be separated from the side close to the bearing 5;
in a specific embodiment, the driving device 2 is specifically a gear shifting device, the gear shifting device includes a casing 21, a driving motor 22 and a motor mounting bracket 23, the motor mounting bracket 23 is fixedly installed at one end of the casing 21, the driving motor 22 is fixedly installed on the motor mounting bracket 23, a speed reducing structure (specifically, a worm and gear speed reducing structure, not shown in the figures and belonging to the existing mature structure) is arranged in the casing 21, an output end of the driving motor 22 is connected with an output end through the speed reducing structure, a spline shaft 3 is sleeved on the output end, and a flange portion 211 of the casing 21 is fixedly installed at a corresponding position on the back;
the driving motor 22 is specifically a 24V direct current power supply, and the rotation speed of the driving motor 22 is adjusted by adjusting the current, so that the cycle number of repeated compression of the spring is adjusted, and the aim of rapidly verifying the quality of the spring is achieved;
the spring housing 8 further comprises a cover plate 12, and the cover plate 12 is covered on the outer end face of the central inner cavity 81 to ensure the smooth placement of the spring 9;
a pressing plate 13 is further arranged at a position, close to the large-diameter end 71, of the central cavity 81, the outer end of the large-diameter end 71 is pressed and attached to the pressing plate 13, and the inner end face of the pressing plate 13 is pressed and attached to the inner end of the corresponding spring 9, so that accurate and reliable compression of the spring is guaranteed;
the outer ring of the inner end of the spring sleeve 8 is provided with a connecting flange 82, and the connecting flange 82 is fixedly connected to the corresponding position of the vertical plate 102 through bolts.
The working principle is as follows: when power is input, the eccentric shaft drives the bearing to move, the bearing continues to move when rotating to the position of the firing pin, the large-diameter end of the firing pin is extruded to move, the spring is compressed when the firing pin starts to move, the bearing continues to move when the firing pin is compressed to the maximum stress position of the spring, the spring rebounds to recover to a free and uncompressed state, the spring is repeatedly compressed through the device, and after the specified test times, whether the spring cracks or breaks is checked, so that whether the spring product meets the quality requirement of the product is judged; if the durability test is carried out by matching different springs, only the firing pin needs to be replaced. The disassembly and the assembly are convenient, the whole test device has simple working principle, simple and convenient actual operation, convenient disassembly and assembly, low cost and good effect.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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 (7)
1. The utility model provides a testing arrangement of short-term test spring life-span which characterized in that: the L-shaped mounting seat comprises an L-shaped mounting seat, a driving device is fixedly mounted on the back of a bottom plate of the L-shaped mounting seat, a spline shaft is sleeved at the output end of the driving device and penetrates through the bottom plate to be convex forwards, the convex part of the spline shaft is fixedly inserted into a spline groove of an eccentric wheel, a bearing is sleeved on the periphery of an outer ring of the eccentric wheel, a firing pin mounting through hole is arranged at the position, corresponding to the height of the bearing, of a vertical plate of the L-shaped mounting seat, a firing pin comprises a large-diameter end and a small-diameter end along the length direction of the firing pin, at least one part of the large-diameter end is positioned in the firing pin mounting through hole, the small-diameter end protrudes out of the firing pin mounting through hole and is arranged in a manner of being close to the corresponding position of an outer ring of the bearing, a gap is reserved between the large-diameter end and an inner ring wall of the firing pin mounting, a spring to be detected is arranged in the central inner cavity.
2. The test device for rapidly detecting the service life of the spring as claimed in claim 1, wherein: the large-diameter end of the firing pin is arranged behind the firing pin installation through hole, the guide ring is fixedly connected to the end face, close to the bearing, of the vertical plate, a through avoiding hole is formed in the center of the guide ring, the diameter of the through avoiding hole is equal to the outer diameter of the small-diameter end, and the diameter of the through avoiding hole is smaller than the outer diameter of the large-diameter end.
3. The test device for rapidly detecting the service life of the spring as claimed in claim 1, wherein: the driving device is specifically a gear shifting device, the gear shifting device comprises a casing, a driving motor and a motor mounting frame, the motor mounting frame is fixedly arranged at one end of the casing, the driving motor is fixedly arranged on the motor mounting frame, a speed reducing structure is arranged in the casing, the output end of the driving motor is connected with the output end through the speed reducing structure, a spline shaft is sleeved on the output end, and a flange part of the casing is fixedly arranged at a corresponding position on the back surface of the bottom plate.
4. A test device for rapidly detecting the life of a spring as claimed in claim 3, wherein: the driving motor is specifically a 24V direct current power supply.
5. The test device for rapidly detecting the service life of the spring as claimed in claim 1, wherein: the spring sleeve further comprises a cover plate, and the cover plate is covered on the outer end face of the central inner cavity.
6. The test device for rapidly detecting the service life of the spring as claimed in claim 1, wherein: the central inner cavity is also provided with a pressing plate at a position close to the large-diameter end, the outer end of the large-diameter end presses and attaches the pressing plate, and the inner end surface of the pressing plate presses and attaches the inner end of the corresponding spring.
7. The test device for rapidly detecting the service life of the spring as claimed in claim 1, wherein: and a connecting flange is arranged on the outer ring of the inner end of the spring sleeve and fixedly connected to the corresponding position of the vertical plate through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921742643.8U CN210893639U (en) | 2019-10-17 | 2019-10-17 | Testing arrangement in short-term test spring life-span |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921742643.8U CN210893639U (en) | 2019-10-17 | 2019-10-17 | Testing arrangement in short-term test spring life-span |
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| Publication Number | Publication Date |
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| CN210893639U true CN210893639U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921742643.8U Active CN210893639U (en) | 2019-10-17 | 2019-10-17 | Testing arrangement in short-term test spring life-span |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116067597A (en) * | 2023-04-06 | 2023-05-05 | 徐州香梦源家具有限公司 | Mattress spring compression testing arrangement |
-
2019
- 2019-10-17 CN CN201921742643.8U patent/CN210893639U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116067597A (en) * | 2023-04-06 | 2023-05-05 | 徐州香梦源家具有限公司 | Mattress spring compression testing arrangement |
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