CN118243512A - Intensity detection device of motor shaft casting - Google Patents
Intensity detection device of motor shaft casting Download PDFInfo
- Publication number
- CN118243512A CN118243512A CN202410677391.4A CN202410677391A CN118243512A CN 118243512 A CN118243512 A CN 118243512A CN 202410677391 A CN202410677391 A CN 202410677391A CN 118243512 A CN118243512 A CN 118243512A
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- motor shaft
- bending
- stretching
- fixedly connected
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- 238000005266 casting Methods 0.000 title claims abstract description 78
- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 238000005452 bending Methods 0.000 claims abstract description 70
- 210000000078 claw Anatomy 0.000 claims description 19
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/22—Investigating strength properties of solid materials by application of mechanical stress by applying steady torsional forces
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of motor shaft detection devices, in particular to a strength detection device of a motor shaft casting, which comprises: the device comprises a base, a bending block, a rotating block and a stretching block; the base is provided with a bending groove; the bending block is connected in the bending groove in a sliding way; the stretching block is fixedly connected to the bending block, and a stretching groove is formed in the stretching block; the base is fixedly connected with a supporting block; the base is rotatably connected with a bending hydraulic rod; the rotating block is rotatably connected with a rotating hydraulic rod; the output end of the rotary hydraulic rod is rotationally connected with the clamping seat; according to the invention, the bending block, the stretching block and the rotating block are arranged, so that the motor shaft casting is stretched and simultaneously the motor shaft casting and the bending motor shaft casting are twisted, and the motor shaft casting is subjected to torsion and bending force while being subjected to tensile force, so that the tensile strength, the torsional strength and the bending strength of the motor shaft casting are detected simultaneously, and the detection result is more accurate.
Description
Technical Field
The invention relates to the technical field of motor shaft detection devices, in particular to a strength detection device for motor shaft castings.
Background
The motor shaft casting is a part for manufacturing a motor shaft and is usually manufactured by a casting method, and the motor shaft casting is usually characterized by wear resistance, high temperature resistance, high strength and the like so as to ensure the normal operation and stability of the motor; the motor shaft is a key component for bearing various loads in the operation process of the motor, the strength performance of the motor shaft is directly related to the safe operation of the motor, and whether the shaft casting can bear various stresses under the working condition can be estimated through strength detection, so that the motor is ensured not to have safety accidents such as fracture and the like in the use process; the strength of the motor shaft casting is detected regularly, so that the quality change of the motor shaft casting can be monitored, problems can be found in time, corrective measures can be taken, the fatigue life of the motor shaft casting can be predicted by combining the actual working condition of the motor through strength test data, and a basis is provided for the maintenance of the motor;
The strength detection of the motor shaft casting is an important step for detecting whether the motor shaft casting meets the design requirement or not, and generally comprises tensile strength detection, torsional strength detection and bending strength detection, and corresponding detection instruments are needed to be used;
In the actual use environment of the motor shaft in the motor, the motor shaft needs to bear various forces such as torsion, bending and stretching at the same time instead of a single force, so that when the motor shaft casting is detected in the prior art, the intensity of one type is detected once, and the detection result of the detection method for detecting the intensity of the other type after the detection is finished is inaccurate, thereby causing limitation.
For this purpose, we propose a strength detection device for motor shaft castings.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a strength detection device for a motor shaft casting, overcomes the defects of the prior art and aims at solving the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a strength detection device for a motor shaft casting, comprising: the device comprises a base, a bending block, a rotating block and a stretching block; the base is provided with a bending groove; the bending block is connected in the bending groove in a sliding way; the stretching block is fixedly connected to the bending block, and a stretching groove is formed in the stretching block; the rotating block is connected in the stretching groove in a sliding way; a stretching hydraulic rod is fixedly connected in the stretching groove; the rotating block is rotationally connected with a clamping seat; the clamping seat is provided with a clamp;
The base is fixedly connected with a supporting block; the clamping seat is rotationally connected in the supporting block; the base is rotatably connected with a bending hydraulic rod; the rotating block is rotatably connected with a rotating hydraulic rod; the output end of the rotary hydraulic rod is rotationally connected with the clamping seat.
Preferably, the support blocks are uniformly provided with inclined slots; a rotary tension sensor is fixedly connected in the inclined groove; the rotary tension sensor is fixedly connected with a rotary tension spring; the other end of the rotary tension spring is fixedly connected with the corresponding clamping seat;
The output end of the bending hydraulic rod is fixedly connected with a bending detection sensor; the bending detection sensor is fixedly connected with the bending block; the output end of the stretching hydraulic rod is fixedly connected with a stretching detection sensor; the stretching detection sensor is fixedly connected with the rotating block.
Through setting up bending block, stretching block and rotating block, when carrying out tensile to the motor shaft foundry goods, torsion motor shaft foundry goods and bending motor shaft foundry goods to make the motor shaft foundry goods receive torsion and bending force when receiving the pulling force, thereby detect tensile strength, torsional strength and the bending strength of motor shaft foundry goods simultaneously, make the testing result more accurate.
Preferably, the clamp consists of a clamping claw and a clamping sleeve; the clamping claws are connected to the clamping seat in a sliding manner, and the outer sides of the clamping claws are arranged in a diagonal manner; the clamping sleeve is sleeved on the outer side of the clamping claw, and the inner wall of the clamping sleeve is in a threaded shape and is in threaded fit with the outer side of the clamping claw.
Preferably, the base is connected with a moving block in a sliding manner; and the moving block is provided with a contact block.
Preferably, semicircular blocks are fixedly connected to two sides of the moving block; the semicircular block is provided with a mounting groove; the contact block is connected in the mounting groove in a sliding manner; the semicircular block is rotationally connected with an adjusting rod; the adjusting rod is in threaded fit with the contact block.
Preferably, the mounting grooves on the semicircular blocks and the contact blocks are uniformly arranged at intervals.
Preferably, the mounting groove is rotationally connected with a supporting rod; a pushing rod is rotatably connected to the supporting rod; the semicircular block is provided with an opening; the push rod passes through the opening.
Preferably, the bottom end of the contact block is provided with a tooth shape; the top of bracing piece can with the bottom looks block of contact.
Through setting up semicircle piece and contact block for contact block and motor shaft foundry goods in the semicircle piece contact, when the motor shaft foundry goods was crooked, the motor shaft foundry goods was crooked in semicircle piece front position, through removing semicircle piece, can change the bending part of motor shaft foundry goods, carries out bending strength detection to the different positions of motor shaft foundry goods.
The invention has the beneficial effects that:
1. According to the invention, the bending block, the stretching block and the rotating block are arranged, so that the motor shaft casting is stretched and simultaneously the motor shaft casting and the bending motor shaft casting are twisted, and the motor shaft casting is subjected to torsion and bending force while being subjected to tensile force, so that the tensile strength, the torsional strength and the bending strength of the motor shaft casting are detected simultaneously, and the detection result is more accurate.
2. According to the invention, the semicircular blocks and the contact blocks are arranged, so that the contact blocks in the semicircular blocks are in contact with the motor shaft casting, when the motor shaft casting is bent, the motor shaft casting is bent at the front position of the semicircular blocks, and the bending positions of the motor shaft casting can be changed by moving the semicircular blocks, so that bending strength detection is carried out on different positions of the motor shaft casting.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is an enlarged view at B in FIG. 1;
FIG. 4 is a partial cross-sectional view of a tension block and a rotating block of the present invention;
FIG. 5 is a cross-sectional view of the support block and clamping block from the cross-sectional view at C-C in FIG. 1;
Fig. 6 is a partial cross-sectional view of the semi-circular ring block, contact block and support bar from the cross-sectional view at D-D in fig. 3.
In the figure: 1. a base; 11. a bending block; 12. a rotating block; 13. stretching the block; 14. a curved slot; 15. a stretching groove; 16. stretching a hydraulic rod; 17. a clamping seat; 18. a clamp; 2. a support block; 21. bending the hydraulic rod; 22. rotating the hydraulic rod; 23. an inclined groove; 24. rotating the tension sensor; 25. rotating the tension spring; 26. a bending detection sensor; 27. a tension detecting sensor; 3. a moving block; 31. a contact block; 4. a semicircular block; 41. a mounting groove; 42. an adjusting rod; 181. clamping claws; 182. a clamping sleeve; 5. a support rod; 51. a push rod; 52. an opening.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one: referring to fig. 1,2, 4 and 5 of the drawings, a strength detecting apparatus for a motor shaft casting includes: a base 1, a bending block 11, a rotating block 12 and a stretching block 13; the base 1 is provided with a bending groove 14; the bending block 11 is slidingly connected in the bending groove 14; the stretching block 13 is fixedly connected to the bending block 11, and a stretching groove 15 is formed in the stretching block 13; the rotating block 12 is connected in the stretching groove 15 in a sliding way; a stretching hydraulic rod 16 is fixedly connected in the stretching groove 15; the rotating block 12 is rotatably connected with a clamping seat 17; the clamping seat 17 is provided with a clamp 18;
The base 1 is fixedly connected with a supporting block 2; the clamping seat 17 is rotatably connected in the supporting block 2; the base 1 is rotatably connected with a bending hydraulic rod 21; the rotating block 12 is rotatably connected with a rotating hydraulic rod 22; the output end of the rotary hydraulic rod 22 is rotationally connected with the clamping seat 17.
In the invention, the supporting block 2 is uniformly provided with inclined slots 23; a rotary tension sensor 24 is fixedly connected in the inclined groove 23; the rotary tension sensor 24 is fixedly connected with a rotary tension spring 25; the other end of the rotary tension spring 25 is fixedly connected with the corresponding clamping seat 17;
The output end of the bending hydraulic rod 21 is fixedly connected with a bending detection sensor 26; the bending detection sensor 26 is fixedly connected with the bending block 11; the output end of the stretching hydraulic rod 16 is fixedly connected with a stretching detection sensor 27; the tension detecting sensor 27 is fixedly connected to the rotating block 12.
According to the invention, two ends of a motor shaft casting are respectively clamped in clamps 18 on two clamping seats 17, then a stretching hydraulic rod 16 pulls a rotating block 12, the clamping seats 17 and the motor shaft casting, a stretching strength test is carried out on the motor shaft casting, a stretching detection sensor 27 detects the pulling force, meanwhile, a rotating hydraulic rod 22 pushes the clamping seats 17, the clamps 18 and the motor shaft casting, so that the motor shaft casting is subjected to torsion, and the torsion applied to the motor shaft casting is transmitted to a rotating tension sensor 24 through a rotating tension spring 25, so that the torsional strength of the motor shaft casting is detected; the bending hydraulic rod 21 drives the bending block 11 to move in the bending groove 14, so that the bending block 11 moves with the stretching block 13, the rotating block 12 and the clamping seat 17, the motor shaft casting is subjected to bending force, and the bending detection sensor 26 detects the bending strength of the motor shaft casting;
According to the invention, the bending block 11, the stretching block 13 and the rotating block 12 are arranged, so that the motor shaft casting is stretched and simultaneously the motor shaft casting and the bending motor shaft casting are twisted, and the motor shaft casting is subjected to torsion and bending force while being subjected to tensile force, so that the tensile strength, the torsional strength and the bending strength of the motor shaft casting are detected, and the detection result is more accurate.
Referring to fig. 2 of the drawings, in the present invention, the clamp 18 is composed of a clamping jaw 181 and a clamping sleeve 182; the clamping claw 181 is connected to the clamping seat 17 in a sliding manner, and the outer side of the clamping claw 181 is provided with a diagonal shape; the clamping sleeve 182 is sleeved outside the clamping claw 181, and the inner wall of the clamping sleeve 182 is arranged in a threaded shape and is in threaded fit with the outer side of the clamping claw 181.
In the invention, the end part of the motor shaft casting is placed between the clamping claws 181, then the clamping sleeve 182 is rotated, the clamping claws 181 are pressed inwards by the clamping sleeve 182, so that the clamping claws 181 gather inwards to clamp the motor shaft casting, and when the sizes of the two ends of the motor shaft casting are inconsistent, the clamping claws 181 and the clamping sleeve 182 can still clamp the motor shaft casting.
Embodiment two: on the basis of the first embodiment, referring to fig. 3 and 6 of the specification, in the present invention, a moving block 3 is slidably connected to a base 1; the moving block 3 is mounted with a contact block 31.
In the invention, semicircular blocks 4 are fixedly connected to two sides of a moving block 3; the semicircular block 4 is provided with a mounting groove 41; the contact block 31 is slidably connected in the mounting groove 41; the semicircular block 4 is rotatably connected with an adjusting rod 42; the adjusting rod 42 is in threaded engagement with the contact block 31.
In the invention, the mounting grooves 41 and the contact blocks 31 on the semicircular blocks 4 are uniformly arranged at intervals.
In the invention, a supporting rod 5 is rotatably connected in a mounting groove 41; the supporting rod 5 is rotatably connected with a pushing rod 51; the semicircular block 4 is provided with an opening 52; the push rod 51 passes through the opening 52.
In the invention, the bottom end of the contact block 31 is provided with a tooth shape; the top end of the support rod 5 can be engaged with the bottom end of the contact block 31.
When the motor shaft casting is mounted on the clamp 18, the motor shaft casting is firstly passed through between the two semicircular blocks 4, then the clamp 18 is fixed at two ends of the motor shaft casting, and then the adjusting rod 42 is rotated so that the contact block 31 moves towards the motor shaft casting, and the contact block 31 contacts with the motor shaft casting;
in the invention, the contact blocks 31 are uniformly arranged on the inner wall of the semicircular block 4, so that when the shape of the middle part of the motor shaft casting is a stepped truncated cone shape, different contact blocks 31 can be contacted with the middle of the motor shaft casting;
When a motor shaft casting is bent, the motor shaft casting passes through the middle of two semicircular blocks 4, and the contact blocks 31 in the semicircular blocks 4 are in contact with the motor shaft casting, so that when the motor shaft casting is bent, the bent part of the motor shaft casting is the part in front of the semicircular blocks 4;
In the invention, the supporting rod 5 is arranged in the mounting groove 41, so that after the contact block 31 is contacted with the motor shaft casting, a worker pushes the pushing rod 51, so that the pushing rod 51 pushes the supporting rod 5 to rotate, the top end of the supporting rod 5 is clamped with the tooth shape at the lower end of the contact block 31, the supporting rod 5 supports the contact block 31, and the condition that the acting force of the motor shaft casting on the contact block 31 is overlarge when the motor shaft casting is bent is prevented, so that the adjusting rod 42 is damaged is caused;
According to the invention, the semicircular blocks 4 and the contact blocks 31 are arranged, so that the contact blocks 31 in the semicircular blocks 4 are in contact with a motor shaft casting, when the motor shaft casting is bent, the motor shaft casting is bent at the front position of the semicircular blocks 4, and the bending positions of the motor shaft casting can be changed by moving the semicircular blocks 4, so that bending strength detection is carried out on different positions of the motor shaft casting.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims; the scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a strength detection device of motor shaft foundry goods which characterized in that: comprising the following steps: a base (1), a bending block (11), a rotating block (12) and a stretching block (13); a bending groove (14) is formed in the base (1); the bending block (11) is connected in the bending groove (14) in a sliding way; the stretching block (13) is fixedly connected to the bending block (11), and a stretching groove (15) is formed in the stretching block (13); the rotating block (12) is connected in the stretching groove (15) in a sliding way; a stretching hydraulic rod (16) is fixedly connected in the stretching groove (15); the rotating block (12) is rotatably connected with a clamping seat (17); a clamp (18) is arranged on the clamping seat (17);
The base (1) is fixedly connected with a supporting block (2); the clamping seat (17) is rotationally connected in the supporting block (2); the base (1) is rotatably connected with a bending hydraulic rod (21); the rotating block (12) is rotatably connected with a rotating hydraulic rod (22); the output end of the rotary hydraulic rod (22) is rotationally connected with the clamping seat (17).
2. The strength detecting device for motor shaft castings according to claim 1, wherein: inclined slots (23) are uniformly formed in the supporting blocks (2); a rotary tension sensor (24) is fixedly connected in the inclined groove (23); the rotary tension sensor (24) is fixedly connected with a rotary tension spring (25); the other end of the rotary tension spring (25) is fixedly connected with the corresponding clamping seat (17);
The output end of the bending hydraulic rod (21) is fixedly connected with a bending detection sensor (26); the bending detection sensor (26) is fixedly connected with the bending block (11); the output end of the stretching hydraulic rod (16) is fixedly connected with a stretching detection sensor (27); the stretching detection sensor (27) is fixedly connected with the rotating block (12).
3. The strength detecting device for motor shaft castings according to claim 2, wherein: the clamp (18) consists of a clamping claw (181) and a clamping sleeve (182); the clamping claw (181) is connected to the clamping seat (17) in a sliding manner, and the outer side of the clamping claw (181) is arranged in a diagonal manner; the clamping sleeve (182) is sleeved on the outer side of the clamping claw (181), and the inner wall of the clamping sleeve (182) is in a threaded shape and is in threaded fit with the outer side of the clamping claw (181).
4. A strength detecting apparatus for a motor shaft casting according to claim 3, wherein: a moving block (3) is connected to the base (1) in a sliding manner; the moving block (3) is provided with a contact block (31).
5. The apparatus for detecting strength of a motor shaft casting according to claim 4, wherein: the two sides of the moving block (3) are fixedly connected with semicircular blocks (4); the semicircular block (4) is provided with a mounting groove (41); the contact block (31) is slidably connected in the mounting groove (41); an adjusting rod (42) is rotatably connected to the semicircular block (4); the adjusting rod (42) is in threaded fit with the contact block (31).
6. The apparatus for detecting strength of a motor shaft casting according to claim 5, wherein: the mounting grooves (41) on the semicircular blocks (4) and the contact blocks (31) are uniformly arranged at intervals.
7. The apparatus for detecting strength of a motor shaft casting according to claim 6, wherein: the mounting groove (41) is rotationally connected with a supporting rod (5); a pushing rod (51) is rotatably connected to the supporting rod (5); the semicircular block (4) is provided with an opening (52); the push rod (51) passes through the opening (52).
8. The apparatus for detecting the strength of a motor shaft casting according to claim 7, wherein: the bottom end of the contact block (31) is provided with a tooth shape; the top end of the supporting rod (5) can be clamped with the bottom end of the contact block (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410677391.4A CN118243512B (en) | 2024-05-29 | 2024-05-29 | Intensity detection device of motor shaft casting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410677391.4A CN118243512B (en) | 2024-05-29 | 2024-05-29 | Intensity detection device of motor shaft casting |
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| CN118243512A true CN118243512A (en) | 2024-06-25 |
| CN118243512B CN118243512B (en) | 2024-08-27 |
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| CN118243512B (en) | 2024-08-27 |
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