CN214503155U - Suspension shaft bearing load strength testing device - Google Patents
Suspension shaft bearing load strength testing device Download PDFInfo
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- CN214503155U CN214503155U CN202120556871.7U CN202120556871U CN214503155U CN 214503155 U CN214503155 U CN 214503155U CN 202120556871 U CN202120556871 U CN 202120556871U CN 214503155 U CN214503155 U CN 214503155U
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Abstract
The utility model provides a suspension trunnion load strength testing device, which comprises a load test bench, wherein the top of the load test bench is fixed with a workbench bottom plate, one side of the top of the workbench bottom plate is fixed with a frame vertical plate, and a suspension trunnion to be tested is fixedly arranged on the side wall of the frame vertical plate through a clamping structure; a load detector is fixed on the side edge of the stand plate and the top of the workbench bottom plate, a jack for loading is arranged on the top of the load detector, a loading bolster is fixed on the top end of a piston rod of the jack, the top end of the loading bolster is arranged under the suspension shaft, and a displacement detection device for detecting the position is arranged between the clamping structure and the top end of the suspension shaft. It can quickly judge the load capacity of the trunnion shaft and make a reliable judgment without performing destructive verification.
Description
Technical Field
The utility model relates to a channel operation technical field especially relates to a lifting lug axle load intensity testing arrangement.
Background
In the production and development of major precision equipment, the tool fixtures in the processes of assembling, hoisting, transferring and the like of major precision parts have strict requirements, such as strength, levelness, deformation and the like. The suspension trunnion is a tool which is close to serialization in many enterprises and can ensure that the parts or the suspension platform and the suspension appliance can be reliably and conveniently connected. Therefore, the design selection of the load strength of the suspension trunnion is important, the suspension trunnion is too large and inconvenient to install, the cost is too high, and the suspension trunnion is too small and not qualified, and is even more infeasible. Therefore, in order to ensure the reliability of the design selection, the load strength test becomes the final product inspection procedure and means.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide a lifting lug axle load strength testing arrangement, especially quick nondestructive test, its load capacity that can the quick judgement lifting lug axle to make reliable judgement, and need not carry out destructive verification.
In order to realize the technical characteristics, the purpose of the utility model is realized as follows: a device for testing the load strength of a suspension trunnion comprises a load test bench, wherein a workbench bottom plate is fixed at the top of the load test bench, a stand vertical plate is fixed on one side of the top of the workbench bottom plate, and a suspension trunnion to be tested is fixedly arranged on the side wall of the stand vertical plate through a clamping structure; a load detector is fixed on the side edge of the stand plate and the top of the workbench bottom plate, a jack for loading is arranged on the top of the load detector, a loading bolster is fixed on the top end of a piston rod of the jack, the top end of the loading bolster is arranged under the suspension shaft, and a displacement detection device for detecting the position is arranged between the clamping structure and the top end of the suspension shaft.
The clamping structure comprises a clamping seat fixed on the outer side wall of the stand vertical plate of the rack, and the clamping seat is fixed with a suspension shaft through a pressing plate and a locking bolt.
The top of the stand vertical plate is provided with a lifting lug.
The loading bolster is high-strength rectangular cushion block, the top of the loading bolster is of a V-shaped groove structure, and the loading bolster is matched with the outer side wall of the suspension trunnion.
The displacement detection device comprises a displacement detector, the displacement detector is fixedly installed at the bottom end of a fixed vertical rod of the detector, the other end of the fixed vertical rod of the detector is fixed on a horizontal cross rod, the horizontal cross rod is fixed on a supporting vertical rod, the supporting vertical rod is fixed on a base, the base is fixed on the top end of a clamping seat of a clamping structure, and a probe of the displacement detector is in contact with the top end of a suspension shaft.
The clamping seat adopts a T-shaped groove structure.
The method for testing the suspension trunnion by adopting the suspension trunnion load strength testing device comprises the following steps:
the method comprises the following steps: during testing, the suspension trunnion is locked and fixed on the clamping seat through the pressure plate and the locking bolt, and the suspension trunnion is in a cantilever shape;
step two: fixing a load detector on the top of a bottom plate of the workbench, fixing a jack on the top of the load detector, and fixing a loading bolster on the top of the jack;
step three: arranging a displacement detector of the displacement detection device at the top of the suspension trunnion, and enabling the probe to be in contact fit with the top end of the suspension trunnion;
step four: after clamping is finished, testing is carried out, loading is generated by a jack, and the load is transmitted to the suspension trunnion through a loading bolster;
step five: in the loading process, the loading size is measured by a load detector, and the deformation size is measured by a displacement detector;
step six: the load capacity of the suspension trunnion has a strict corresponding relation with the deformation of the suspension trunnion, namely the displacement of the shaft end, and the bearing capacity of the suspension trunnion can be judged and concluded by comparison.
The utility model discloses there is following beneficial effect:
1. through adopting the testing arrangement of above-mentioned structure, can the fast judgement lift pin's load capacity to make reliable judgement, and need not carry out destructive verification.
2. The clamping structure can be used for reliably fixing the suspension lug shaft, so that the clamping reliability is ensured, and the suspension lug shaft is in a cantilever shape.
3. Through the seamless contact of the loading bolster and the lifting trunnion, the load detector can accurately detect the load applied by the loading jack.
4. The probe of the displacement detector is arranged above the suspension trunnion, and can accurately detect the displacement of the suspension trunnion affected by the load.
5. The loading bolster is high-strength rectangular cushion block, and the upper surface is provided with V-shaped grooves to ensure that the loading bolster is uniformly contacted with the suspension trunnion and stressed to be centered.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is an overall structure diagram of the present invention.
In the figure: the device comprises a load test board 1, a workbench bottom plate 2, a load detector 3, a jack 4, a loading bolster 5, a suspension trunnion shaft 6, a probe 7, a displacement detector 8, a detector fixing upright rod 9, a horizontal cross rod 10, an upright rod base 11, a supporting upright rod 12, a locking bolt 13, a pressure plate 14, a lifting lug 15, a clamping seat 16 and a rack upright plate 17.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Example 1:
referring to fig. 1, a device for testing the load strength of a suspension trunnion comprises a load test bench 1, wherein a workbench bottom plate 2 is fixed at the top of the load test bench 1, a stand vertical plate 17 is fixed at one side of the top of the workbench bottom plate 2, and a suspension trunnion to be tested is fixedly mounted on the side wall of the stand vertical plate 17 through a clamping structure; the side of the stand vertical plate 17 is fixed with a load detector 3 at the top of the workbench bottom plate 2, the top of the load detector 3 is provided with a jack 4 for loading, the top end of a piston rod of the jack 4 is fixed with a loading bolster 5, the top end of the loading bolster 5 is arranged under the suspension trunnion, and a displacement detection device for detecting the position is arranged between the clamping structure and the top end of the suspension trunnion. Through adopting the testing arrangement of above-mentioned structure, can the fast judgement lift pin's load capacity to make reliable judgement, and need not carry out destructive verification.
Further, the clamping structure comprises a clamping seat 16 fixed on the outer side wall of a stand upright plate 17 of the frame, and the clamping seat 16 fixes the trunnion shaft 6 through a pressing plate 14 and a locking bolt 13. The clamping structure can be used for reliably locking and fixing the suspension trunnion 6.
Further, a lifting lug 15 is arranged at the top of the stand upright plate 17. The above-mentioned vertical stand plate 17 can be used to fix the trunnion.
Further, the loading bolster 5 is a high-strength rectangular cushion block, the top of which is in a V-shaped groove structure and is matched with the outer side wall of the suspension shaft. Through the structure, the suspension trunnion is ensured to be contacted uniformly and stressed to be concentrated.
Further, displacement detection device includes displacement detector 8, 8 fixed mounting of displacement detector are in the bottom of the fixed pole setting 9 of detector, the other end of the fixed pole setting 9 of detector is fixed on horizontal pole 10, horizontal pole 10 is fixed on supporting pole setting 12, support on the fixed pole setting base 11 of pole setting 12, pole setting base 11 is fixed on the 16 tops of clamping seat of clamping structure, displacement detector 8's probe 7 contacts with the top of lifting trunnion axle 6. The displacement detection device described above can be used to detect the deformation displacement of the trunnion 6.
Further, the clamping seat 16 adopts a T-shaped groove structure for the clamping seat 16. Through foretell T type groove structure can be used for fixing and the clamping to lifting trunnion 6, and then improved clamping efficiency.
Further, the load detector 3 may be disposed under the jack 4 or above the jack 4, and may be connected to the jack by other members.
Example 2:
the method for testing the suspension trunnion by adopting the suspension trunnion load strength testing device comprises the following steps:
the method comprises the following steps: during testing, the suspension trunnion 6 is locked and fixed on the clamping seat 16 through the pressure plate 14 and the locking bolt 13, and the suspension trunnion 6 is in a cantilever shape;
step two: fixing a load detector 3 on the top of a workbench bottom plate 2, fixing a jack 4 on the top of the load detector 3, and fixing a loading bolster 5 on the top of the jack 4;
step three: arranging a displacement detector 8 of the displacement detection device at the top of the suspension trunnion 6, and enabling the probe 7 to be in contact fit with the top end of the suspension trunnion 6;
step four: after clamping is finished, testing is carried out, loading is generated by a jack 4, and load is transmitted to a suspension trunnion 6 through a loading bolster 5;
step five: in the loading process, the loading size is measured by the load detector 3, and the deformation size is measured by the displacement detector 8;
step six: the load capacity of the suspension trunnion 6 and the deformation thereof, namely the displacement of the shaft end, have a strict corresponding relation, and the bearing capacity of the suspension trunnion 6 can be judged and concluded by comparison.
Claims (6)
1. The device for testing the load strength of the suspension trunnion is characterized by comprising a load test board (1), wherein a workbench bottom plate (2) is fixed at the top of the load test board (1), a stand vertical plate (17) is fixed on one side of the top of the workbench bottom plate (2), and the suspension trunnion to be tested is fixedly arranged on the side wall of the stand vertical plate (17) through a clamping structure; the side of frame riser (17) to the top that is located workstation bottom plate (2) is fixed with load detection appearance (3), the top of load detection appearance (3) is provided with and is used for loaded jack (4), the piston rod top of jack (4) is fixed with loading bolster (5), the top setting of loading bolster (5) is under hanging the trunnion, be provided with the displacement detection device who is used for detecting the position between the top of clamping structure and hanging the trunnion.
2. The suspension shaft load intensity testing device of claim 1, characterized in that: the clamping structure comprises a clamping seat (16) fixed on the outer side wall of a stand plate (17), and the clamping seat (16) is fixedly provided with a suspension shaft pin (6) through a pressing plate (14) and a locking bolt (13).
3. The suspension shaft load intensity testing device of claim 1, characterized in that: lifting lugs (15) are arranged at the tops of the stand vertical plates (17).
4. The suspension shaft load intensity testing device of claim 1, characterized in that: the loading bolster (5) is a high-strength rectangular cushion block, the top of the loading bolster is of a V-shaped groove structure, and the loading bolster is matched with the outer side wall of the suspension trunnion.
5. The suspension shaft load intensity testing device of claim 1, characterized in that: displacement detection device includes displacement detector (8), displacement detector (8) fixed mounting is in the bottom of the fixed pole setting (9) of detector, the other end of the fixed pole setting (9) of detector is fixed on horizontal cross bar (10), horizontal cross bar (10) are fixed on supporting pole setting (12), support on pole setting (12) fixed pole setting base (11), clamping seat (16) top at the clamping structure is fixed in pole setting base (11), probe (7) of displacement detector (8) contact with the top of lifting lug axle (6).
6. The suspension shaft load intensity testing device of claim 2, characterized in that: the clamping seat (16) adopts a T-shaped groove structure for the clamping seat (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120556871.7U CN214503155U (en) | 2021-03-18 | 2021-03-18 | Suspension shaft bearing load strength testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120556871.7U CN214503155U (en) | 2021-03-18 | 2021-03-18 | Suspension shaft bearing load strength testing device |
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| CN214503155U true CN214503155U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120556871.7U Active CN214503155U (en) | 2021-03-18 | 2021-03-18 | Suspension shaft bearing load strength testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109142A (en) * | 2021-03-18 | 2021-07-13 | 宜昌船舶柴油机有限公司 | Device and method for testing load strength of suspension trunnion |
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2021
- 2021-03-18 CN CN202120556871.7U patent/CN214503155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109142A (en) * | 2021-03-18 | 2021-07-13 | 宜昌船舶柴油机有限公司 | Device and method for testing load strength of suspension trunnion |
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