CN107748340B - Electromagnet suction force detection device - Google Patents
Electromagnet suction force detection device Download PDFInfo
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- CN107748340B CN107748340B CN201711120361.XA CN201711120361A CN107748340B CN 107748340 B CN107748340 B CN 107748340B CN 201711120361 A CN201711120361 A CN 201711120361A CN 107748340 B CN107748340 B CN 107748340B
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- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 abstract description 6
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnets (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention provides an electromagnet attractive force detection device which can accurately obtain the attractive force value of an electromagnet by controlling the air gap value between an armature and an armature core, so that the attractive force of the electromagnet is accurately displayed, the laborious calculation is saved, and the time is saved. The electromagnet for test comprises a magnetic yoke, an armature and a coil, wherein an upward-protruding armature core is arranged at the center of the magnetic yoke, and the electromagnet is characterized in that: the magnetic yoke for testing comprises a base, wherein a center positioning through hole is formed in the center of the base, the center position of a magnetic yoke for testing is fixedly arranged in the center positioning through hole through step pin positioning, an upper plate is arranged right above the base and supported right above the base through a plurality of supporting rods, a vertical through hole is formed right above the upper plate relative to the center positioning through hole, a middle screw rod part of an upper pull rod penetrates through the vertical through hole and is fixedly connected with the upper plate through an upper nut and a lower nut, and the lower end of the upper pull rod is fixedly connected with the upper end of a tension sensor.
Description
Technical Field
The invention relates to the technical field of electromagnet detection, in particular to an electromagnet suction detection device.
Background
The existing numerical value of the suction force of the electromagnet needs to be obtained through complex calculation, and the electromagnet can deviate from design in manufacturing due to the complexity of a calculation process, so that the numerical value obtained through complex calculation is not necessarily accurate; because factors such as ampere-turn value, iron core polarization area, air gap value of armature and armature core all can influence the suction of electro-magnet in actual production process, wherein ampere-turn value, armature polarization area are part characteristic be difficult to change, and the air gap value of armature and armature core produces the deviation relatively more easily, and then makes the suction of current side electro-magnet unable accurate acquisition.
Disclosure of Invention
In order to solve the problems, the invention provides the electromagnet attractive force detection device which can accurately obtain the attractive force value of the electromagnet by controlling the air gap value between the armature and the armature core, so that the attractive force of the electromagnet is accurately displayed, the laborious calculation is saved, and the time is saved.
An electromagnet suction force detection device, the method is characterized in that: the electromagnet for test comprises a magnetic yoke, an armature and a coil, wherein an upward-protruding armature core is arranged at the center of the magnetic yoke, and the electromagnet is characterized in that: the magnetic yoke for testing comprises a base, wherein a center positioning through hole is formed in the center of the base, the center position of a magnetic yoke for testing is fixedly arranged in the center positioning through hole through step pin positioning, an upper plate is arranged right above the base, the upper plate is supported right above the base through a plurality of supporting rods, a vertical through hole is formed right above the upper plate relative to the center positioning through hole, a middle screw rod part of an upper pull rod penetrates through the vertical through hole and is fixedly connected with the upper plate through an upper nut and a lower nut, the lower end of the upper pull rod is fixedly connected with the upper end of a tension sensor, the lower end of the tension sensor is fixedly connected with a vertically arranged lower pull rod, the lower end of the lower pull rod is fixedly connected with an armature to be tested, the lower end face of the armature is parallel to the upper end face of an armature core of the magnetic yoke, and a coil mounting cavity of the magnetic yoke is used for placing a corresponding coil.
It is further characterized by: the upper plate is arranged on the base in parallel through three support rods distributed in a ring, the upper end of each support rod is a linear screw rod, the lower end of each support rod is a supporting boss, the linear screw rods correspondingly penetrate through corresponding positioning holes of the upper plate and are fixedly arranged on the upper plate through double nuts, corresponding L-shaped cushion blocks are pressed on the upper end faces of the supporting bosses, the pressing faces of each L-shaped cushion block are respectively pressed on the corresponding upper end faces of the corresponding supporting boss, and the L-shaped cushion blocks are fixedly arranged on the base through pressing bolts;
the base is also provided with two compression blocks, the two compression blocks are respectively arranged on two sides of the central shaft of the magnetic yoke, the lower compression lug of the compression block is tightly pressed against the upper end face of the magnetic yoke on the corresponding side, the outer end of the compression block is supported on a cushion block, a cushion block locking bolt penetrates through a cushion block mounting hole of the base from bottom to top and is then fixedly connected with the bottom of the cushion block, and the compression block is fixedly connected with the upper part of the cushion block through a connecting bolt;
the L-shaped cushion block is of a horizontal arrangement structure, the L-shaped cushion block comprises a horizontal block and a vertical block, the lower end face of the vertical block is tightly attached to the upper end face of the base, the lower end face of the horizontal block, which is far away from the vertical block, is a press-fit face, a long slot hole which is arranged along the length direction of the horizontal block is formed in the horizontal block, a compression bolt penetrates through the long slot hole and is fixedly arranged in a corresponding locking hole of the base, and the long slot hole is convenient for the L-shaped cushion block to be matched and press-fit with the supporting boss;
the tension sensor is specifically an S-shaped tension sensor.
The application method of the electromagnet suction detection device is characterized by comprising the following steps of: leveling the base and the upper plate through the dial indicator and the three support rods, screwing the double nuts and the compression bolts after leveling, fixing the magnetic yoke on the base through the compression blocks on two sides, connecting the armature and the tension sensor on the upper plate through the upper pull rod, loosening the lower nuts, lifting the upper pull rod, placing the coil, then adjusting the lower end face of the armature to be 0.5mm higher than the upper end face of the armature core of the magnetic yoke, screwing the lower nuts, electrifying the coil, displaying the corresponding suction value of the electromagnet on the tension sensor, and rotating the screw to adjust the air gap value when the suction value is required to be adjusted, so that the suction value accords with expectations. And simultaneously measuring the value of the vertical motion of the screw rod to obtain the corresponding air gap value.
After the invention is adopted, the lower nut is loosened, the upper pull rod is lifted, the coil is placed in, then the air gap value formed by the lower end face of the armature and the upper end face of the armature core of the magnetic yoke is adjusted, then the lower nut is screwed down, the coil is electrified, the tension sensor shows the corresponding attraction value of the electromagnet, the attraction value of the electromagnet can be accurately obtained by controlling the air gap value between the armature and the armature core, the attraction force of the electromagnet is accurately shown, and the labor-consuming calculation and the time saving are saved.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present invention;
FIG. 2 is A-A of FIG. 1 a schematic drawing of a sectional structure;
FIG. 3 is a schematic view of the B-B cross-section structure of FIG. 2;
the names corresponding to the serial numbers in the figures are as follows:
yoke 1, armature 2, coil 3, armature core 4, base 5, centrally located through hole 6, step pin 7, upper plate 8, support rod 9, straight screw 91, support boss 92, vertical through hole 10, upper rod 11, middle screw section 12, upper nut 13, lower nut 14, tension sensor 15, lower rod 16, L-shaped spacer 17, compression bolt 18, compression block 19, lower bump 20, spacer 21, spacer lock bolt 22, spacer mounting hole 23, connecting bolt 24, horizontal block 25, vertical block 26, long slot hole 27, lock hole 28, double nut 29.
Detailed Description
Electromagnet suction force detection device, see fig. 1-3: the electromagnet to be tested comprises a magnetic yoke 1, an armature 2 and a coil 3, wherein an upward protruding armature core 4 is arranged at the center of the magnetic yoke 1 and comprises a base 5, a center positioning through hole 6 is formed in the center of the base 5, the center position of the magnetic yoke 1 to be tested is fixedly arranged at the center positioning through hole 6 through a step pin 7, an upper plate 8 is arranged right above the base 5, the upper plate 8 is supported right above the base 5 through a plurality of support rods 9, a vertical through hole 10 is formed right above the upper plate 8 relative to the center positioning through hole 6, a middle screw part 12 of an upper pull rod 11 penetrates through the vertical through hole 10 and is fixedly connected to the upper plate 8 through an upper nut 13 and a lower nut 14, the lower end of the upper pull rod 11 is fixedly connected with the upper end of a pull force sensor 15, a vertically arranged lower pull rod 16 is fixedly connected with the lower end of the pull force sensor 15, the lower end of the lower pull rod 16 is fixedly connected with the armature 2 to be tested, the lower end face of the armature 2 and the upper end face of the armature core 4 of the magnetic yoke 1 are arranged in parallel, and the coil mounting cavity of the magnetic yoke 1 is used for placing a corresponding coil 3.
The upper plate 8 is arranged on the base 5 in parallel through three support rods 9 which are distributed in a ring, the upper end of each support rod 9 is provided with a linear screw rod 91, the lower end of each support rod 9 is provided with a supporting boss 92, the linear screw rods 91 correspondingly penetrate through corresponding positioning holes of the upper plate 8 and are fixedly arranged on the upper plate 8 through double nuts 29, the upper end surfaces of the supporting bosses 92 are provided with corresponding L-shaped cushion blocks 17 in a pressing mode, the pressing surfaces of each L-shaped cushion block 17 respectively press the corresponding upper end surfaces of the corresponding supporting bosses 92, and the L-shaped cushion blocks 17 are fixedly arranged on the base 5 through pressing bolts 18; the linear screw 91 enables the supporting rods to adjust the distance between the upper plate 8 and the base 5, and the arrangement of the three supporting rods 9 can facilitate the adjustment of the level;
two compressing blocks 19 are further arranged on the base 5, the two compressing blocks 19 are respectively arranged on two sides of the central shaft of the magnetic yoke 1, the compressing lower protruding blocks 20 of the compressing blocks 19 compress the upper end face of the magnetic yoke 1 on the corresponding side, the outer ends of the compressing blocks 19 are supported on cushion blocks 21, cushion block locking bolts 22 penetrate through cushion block mounting holes 23 of the base 5 from bottom to top and then are fastened and connected with the bottoms of the cushion blocks 21, and the compressing blocks 19 are fastened and connected with the upper parts of the cushion blocks 21 through connecting bolts 24; the compact block is ensured to be convenient to detach and mount;
the L-shaped cushion block 17 is of a horizontal arrangement structure, the L-shaped cushion block comprises a horizontal block 25 and a vertical block 26, the lower end face of the vertical block 26 is tightly attached to the upper end face of the base 5, the lower end face of the horizontal block 25, which is far away from the vertical block 26, is a press-fit face, the horizontal block 25 is provided with a long slot hole 27 which is arranged along the length direction of the horizontal block, the press bolt 18 penetrates through the long slot hole 27 and is fixedly arranged in a corresponding locking hole 28 of the base 5, and the long slot hole 27 is convenient for the L-shaped cushion block 17 to be matched with the press-fit supporting boss 92;
the tension sensor 15 is specifically an S-type tension sensor.
The working principle is as follows: leveling the base and the upper plate through the dial indicator and the three support rods, screwing the double nuts and the compression bolts after leveling, fixing the magnetic yoke on the base through the compression blocks on two sides, connecting the armature and the tension sensor on the upper plate through the upper pull rod, loosening the lower nuts, lifting the upper pull rod, placing the coil, then adjusting the lower end face of the armature to be 0.5mm higher than the upper end face of the armature core of the magnetic yoke, screwing the lower nuts, electrifying the coil, displaying the corresponding suction value of the electromagnet on the tension sensor, and rotating the screw to adjust the air gap value when the suction value is required to be adjusted, so that the suction value accords with expectations. And simultaneously measuring the value of the vertical motion of the screw rod to obtain the corresponding air gap value.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications made in accordance with the scope of the present invention shall fall within the scope of the present patent.
Claims (4)
1. The application method of the electromagnet suction detection device is characterized by comprising the following steps of: the electromagnet to be tested comprises a magnetic yoke, an armature and a coil, wherein an upward protruding armature core is arranged at the center of the magnetic yoke, the electromagnet suction detection device comprises a base, a center positioning through hole is formed in the center of the base, the center position of the magnetic yoke to be tested is fixedly arranged in the center positioning through hole through step pin positioning, an upper plate is arranged right above the base and supported right above the base through a plurality of support rods, a vertical through hole is formed right above the upper plate relative to the center positioning through hole, a middle screw rod part of the upper pull rod penetrates through the vertical through hole and is fixedly connected with the upper plate through an upper nut and a lower nut, the lower end of the upper pull rod is fixedly connected with the upper end of a tension sensor, a lower pull rod which is vertically arranged is fixedly connected with the lower end of the tension sensor, the lower end of the lower pull rod is fixedly connected with the armature to be tested, the lower end face of the armature is parallel to the upper end face of the armature core of the magnetic yoke, and the coil is arranged in a coil cavity of the magnetic yoke;
the upper plate is arranged on the base in parallel through three support rods distributed in a ring, the upper end of each support rod is a linear screw rod, the lower end of each support rod is a supporting boss, the linear screw rods correspondingly penetrate through corresponding positioning holes of the upper plate and are fixedly arranged on the upper plate through double nuts, corresponding L-shaped cushion blocks are pressed on the upper end faces of the supporting bosses, the pressing faces of each L-shaped cushion block are respectively pressed on the corresponding upper end faces of the corresponding supporting boss, and the L-shaped cushion blocks are fixedly arranged on the base through pressing bolts;
the using method comprises the following steps:
leveling a base and an upper plate through a dial indicator and three support rods, screwing a double nut and a compression bolt after leveling, fixing a magnetic yoke on the base through compression blocks on two sides, connecting an armature and a tension sensor on the upper plate through an upper pull rod, loosening a lower nut, lifting the upper pull rod, placing a coil, then adjusting the lower end face of the armature to be 0.5mm higher than the upper end face of an armature core of the magnetic yoke, adjusting an air gap value formed by the lower end face of the armature and the upper end face of the armature core of the magnetic yoke, screwing the lower nut, electrifying the coil, displaying a corresponding suction value of an electromagnet on the tension sensor, accurately obtaining the suction value of the electromagnet by controlling the air gap value between the armature and the armature core, rotating a linear screw to adjust the air gap value when the suction value needs to be adjusted, and simultaneously measuring the vertical action value of the linear screw to obtain the corresponding air gap value.
2. The method of using an electromagnet attraction force detection device according to claim 1, wherein: the base is also provided with two compressing blocks, the two compressing blocks are respectively positioned on two sides of the central shaft of the magnetic yoke, the compressing lower protruding blocks of the compressing blocks compress the upper end face of the magnetic yoke on the corresponding side, the outer ends of the compressing blocks are supported on cushion blocks, cushion block locking bolts penetrate through cushion block mounting holes of the base from bottom to top and are then fastened and connected with the bottoms of the cushion blocks, and the compressing blocks are fastened and connected with the upper parts of the cushion blocks through connecting bolts.
3. The method of using an electromagnet attraction force detection device according to claim 1, wherein: the L-shaped cushion block is of a horizontal arrangement structure, the L-shaped cushion block comprises a horizontal block and a vertical block, the lower end face of the vertical block is tightly attached to the upper end face of the base and is arranged, the lower end face of the horizontal block, which is far away from the vertical block, is a press-fit face, a long slot hole which is arranged along the length direction of the horizontal block is formed in the horizontal block, a compression bolt penetrates through the long slot hole and is fixedly arranged in a corresponding locking hole of the base, and the long slot hole is convenient for the L-shaped cushion block to be matched and press-fitted with the supporting boss.
4. The method of using an electromagnet attraction force detection device according to claim 1, wherein: the tension sensor is specifically an S-shaped tension sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711120361.XA CN107748340B (en) | 2017-11-14 | 2017-11-14 | Electromagnet suction force detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711120361.XA CN107748340B (en) | 2017-11-14 | 2017-11-14 | Electromagnet suction force detection device |
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| CN107748340A CN107748340A (en) | 2018-03-02 |
| CN107748340B true CN107748340B (en) | 2023-12-29 |
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| CN108761360B (en) * | 2018-08-13 | 2023-08-11 | 苏州佳祺仕科技股份有限公司 | Magnet side edge suction test equipment |
| CN109444779A (en) * | 2018-12-21 | 2019-03-08 | 北京史河科技有限公司 | Mgnetic observations instrument |
| JP6748252B1 (en) * | 2019-03-19 | 2020-08-26 | 東芝エレベータ株式会社 | elevator |
| CN110160480A (en) * | 2019-05-31 | 2019-08-23 | 湖南科美达电气股份有限公司 | A kind of device and test method measuring absorbate average airgap |
| CN111025207B (en) * | 2019-12-11 | 2022-01-11 | 中国科学院光电技术研究所 | Method and device for measuring static magnetic force |
| CN112965017B (en) * | 2021-03-23 | 2023-10-27 | 一汽解放汽车有限公司 | Electromagnet performance detection device |
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