CN111982048B - Automobile generator rotor inspection mechanism - Google Patents
Automobile generator rotor inspection mechanism Download PDFInfo
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- CN111982048B CN111982048B CN202010995744.7A CN202010995744A CN111982048B CN 111982048 B CN111982048 B CN 111982048B CN 202010995744 A CN202010995744 A CN 202010995744A CN 111982048 B CN111982048 B CN 111982048B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 41
- 238000007689 inspection Methods 0.000 title claims abstract description 31
- 238000006073 displacement reaction Methods 0.000 claims abstract description 40
- 210000000078 claw Anatomy 0.000 claims abstract description 33
- 230000009471 action Effects 0.000 claims description 17
- 230000008859 change Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/02—Measuring arrangements characterised by the use of fluids for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
- G01B21/14—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters internal diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
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Abstract
The invention provides an automobile generator rotor inspection mechanism, and belongs to the technical field of machinery. The rotor comprises a claw pole and a shaft body, the inspection mechanism comprises a base, a sliding seat arranged on the base in a sliding mode and a driving piece II used for driving the sliding seat to slide in a reciprocating mode in the horizontal direction, three guide rods are arranged in the sliding direction of the sliding seat, a spring I and two base blocks I which are symmetrically arranged are arranged on one guide rod, the base blocks I are arranged on the guide rods in a sliding mode, and the spring I enables the two base blocks I to move back and forth; the other two guide rods are respectively provided with a spring unit and a pair of base blocks II which are symmetrically arranged, the base blocks II are arranged on the guide rods in a sliding manner, and the spring units enable the pair of base blocks to move oppositely; the first base block is provided with a first protruding head abutting against the inner wall of the claw pole, the second base block is provided with a second protruding head, one pair of the second protruding heads abuts against the outer wall of the claw pole, and the other pair of the second protruding heads abuts against the outer side wall of the shaft body; one of the base blocks I is fixed with a first displacement sensor, and the two base blocks II are provided with a second displacement sensor. The invention has high efficiency.
Description
Technical Field
The invention belongs to the technical field of machinery, relates to a checking mechanism, and particularly relates to a checking mechanism for an automobile generator rotor.
Background
The existing automobile generator rotor generally includes a claw pole in a ring shape and a shaft body penetrating through the claw pole. After the rotor is machined, the diameter of the end of the rotor, the inner diameter and the outer diameter of the claw pole and the diameter of the part, located in the claw pole, of the shaft body (namely the middle part of the shaft body) are generally measured, and the rotor can be delivered after the size measurement is qualified.
In the existing measuring process, the sizes are measured in sequence by manpower, the operation of the whole measuring process is more complicated, and the efficiency is seriously influenced.
Disclosure of Invention
The invention aims to provide an efficient automobile generator rotor inspection mechanism aiming at the problems in the prior art.
The purpose of the invention can be realized by the following technical scheme: the automobile generator rotor inspection mechanism is characterized in that three guide rods are horizontally arranged in the sliding direction of the sliding seat, the guide rods are fixedly connected with the sliding seat, and the axial direction of each guide rod is perpendicular to the sliding direction of the sliding seat; one guide rod is provided with a first spring and a pair of first base blocks which are symmetrically arranged, the first base blocks are arranged on the corresponding guide rod in a sliding mode along the axial direction, and the first spring enables the two first base blocks to have the tendency of moving back to back; the other two guide rods are respectively provided with a spring unit and a pair of base blocks II which are symmetrically arranged, the base blocks II are arranged on the corresponding guide rods in a sliding manner along the axial direction, and the spring units enable the corresponding pair of base blocks II to have the trend of opposite movement; the base block I is provided with a first raised head capable of pressing against the inner side wall of the claw pole, the base block II is provided with a second raised head, one pair of the second raised heads can press against the outer side wall of the claw pole, and the other pair of the second raised heads can press against the outer side wall of the shaft body; one of the base blocks I is fixed with a displacement sensor I for measuring the distance change of the two base blocks I; and in each pair of second base blocks, a second displacement sensor for measuring the distance change of the two corresponding base blocks is fixed on one second base block.
The using process is as follows: the generator rotor is in a positioning state; the second driving part drives the sliding seat to move, the claw pole is finally positioned between the second pair of raised heads, the first two raised heads and the second two raised heads are positioned on the inner side of the claw pole, the first two raised heads are pressed on the inner side wall of the claw pole under the action of the first spring and the spring assembly, the second two raised heads are respectively pressed on the outer side wall of the claw pole and the outer side wall of the shaft body, the second displacement sensor and the third displacement sensor transmit measured distance change signals to the control system, and finally the inner diameter and the outer diameter of the claw pole and the diameter of the shaft body are output.
In the automobile generator rotor inspection mechanism, the guide rod where the first base block is located is provided with the first limiting structure for limiting the maximum distance between the two first base blocks, and the first base block is pressed against the first limiting structure under the action of the spring to ensure that the first lug can smoothly and stably enter the claw pole, so that the working stability is improved.
In the automobile generator rotor inspection mechanism, the second limiting structures used for limiting the minimum distance between the two second base blocks are arranged between each pair of the second base blocks, and the second base blocks are abutted against and pressed on the corresponding second limiting structures under the action of the spring units so as to ensure that the second raised heads move to designated positions smoothly and improve the working stability.
In foretell automobile power generation machine rotor accredited testing organization, limit structure one including the cover establish and fix the holding ring one on corresponding the guide arm, holding ring one has two, two base blocks one is in between two holding ring one, and under the effect of spring, two base blocks one supports respectively to press on two holding ring one, have simple structure, simple to operate's advantage.
In the automobile generator rotor inspection mechanism, the two limiting structures comprise two positioning rings II which are sleeved and fixed on the corresponding guide rods, the two positioning rings II are positioned between the two base blocks II, and the two base blocks II are respectively pressed on the two positioning rings II under the action of the spring units.
As another scheme, in the above automobile generator rotor inspection mechanism, the first limiting structure includes a first ring body fixed on the corresponding guide rod and a first convex ring formed on the guide rod, the first two base blocks are located between the first convex ring and the first ring body, and under the action of the first spring, the first two base blocks respectively press against the first ring body and the first convex ring.
As another scheme, in the above automobile generator rotor checking mechanism, the first limiting structure includes two second protruding rings formed on the corresponding guide rod, the two second protruding rings are located between the pair of second base blocks, and the two second base blocks respectively press against the two second protruding rings under the action of the spring unit.
In the automobile generator rotor inspection mechanism, the first base block and the second base block are respectively provided with a through hole for the corresponding guide rod to pass through, and a linear bearing which enables the first base block and the corresponding guide rod or the second base block and the corresponding guide rod to form sliding connection is arranged in the through hole.
In the automobile generator rotor inspection mechanism, the first extension rod is horizontally fixed on the first base block which is not connected with the first displacement sensor, the axial direction of the first extension rod is vertical to the moving direction of the sliding seat, and the detection head of the first displacement sensor and one end of the first extension rod are both positioned between the two first base blocks and are coaxially arranged. The first extension rod is arranged, so that the measuring distance of the first displacement sensor can be reduced, the interference on measurement is avoided, and the measuring precision is improved.
In the automobile generator rotor inspection mechanism, in the pair of second base blocks, the second extension rod is horizontally fixed on the second base block which is not connected with the second displacement sensor, the axial direction of the second extension rod is vertical to the moving direction of the sliding seat, and the detection head of the second displacement sensor and one end of the second extension rod are both positioned between the two second base blocks and are coaxially arranged. The second extension rod is arranged, so that the measuring distance of the second displacement sensor can be reduced, the interference on measurement is avoided, and the measuring precision is improved.
In the automobile generator rotor inspection mechanism, the spring unit comprises two springs II which are sleeved on the corresponding guide rods, the two corresponding base blocks II are arranged between the two springs II, and two ends of each spring II are respectively abutted against the sliding seat and the corresponding linear bearing.
In the automobile generator rotor inspection mechanism, the contact surfaces of the first protruding head and the second protruding head, which are used for being in contact with the rotor, are both arc-shaped.
Compared with the prior art, this automobile power generation machine rotor inspection mechanism has following advantage:
1. the inspection mechanism is used for simultaneously measuring the diameters of the claw pole inner and outer diameters and the diameter of the shaft body at the claw pole position, so that the measurement steps can be effectively reduced, the whole measurement process can be completely and automatically carried out, and the measurement efficiency and the convenience are effectively improved.
2. The first extension rod and the second extension rod are arranged, so that the measuring distance between the first displacement sensor and the second displacement sensor can be reduced, the interference in measurement is avoided, and the measuring precision is improved.
Drawings
Fig. 1 is a schematic perspective view of a device for measuring the size of a rotor of an automotive generator.
Fig. 2 is a perspective view of the inspection mechanism.
FIG. 3 is a schematic view of the inspection mechanism from below.
Fig. 4 is a schematic view of a connection structure of the guide rod and the first and second springs.
Fig. 5 is a schematic sectional structure view of the inspection mechanism.
In the figure, 1, rotor; 1a, claw pole; 1b, a shaft body; 2. a base; 3. a first tip; 4. a drive source; 4a, a motor; 4b, a synchronous belt; 5. a first driving part; 6. a driving part II; 7. a second centre; 8. a base; 9. a guide rail; 10. a telescoping displacement sensor; 11. a slide base; 12. a guide bar; 13. a first spring; 14. a first base block; 14a, a first convex head; 15. a second base block; 15a, a second raised head; 16. a linear bearing; 17. a second spring; 18. a first positioning ring; 19. a second positioning ring; 20. a first displacement sensor; 21. a second displacement sensor; 22. a first extension rod; 23. a second extension rod; 24. a slide bar.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1, the rotor of the generator for an automobile includes a claw pole 1a having a ring shape and a shaft body 1b inserted into the claw pole 1 a. The automobile generator rotor size measuring device comprises a base 2, a tip I3 arranged on the base 2 and a driving source 4 used for driving the tip I3 to rotate.
Wherein, the tip 3 is rotatably connected with the base 2, and in this embodiment, the rod part of the tip 3 is rotatably connected with the base 2 through a plurality of groups of bearings. The driving source 4 includes a motor 4a fixed to the base 2 and a driving mechanism for connecting the motor 4a and the tip one 3. In this embodiment, the motor 4a is arranged on one side of the tip one 3, the driving mechanism comprises a driving wheel fixed on a main shaft of the motor 4a and a driven wheel fixed on the end part of the tip one 3, and the driving wheel and the driven wheel are connected through a synchronous belt 4 b. Naturally, the driving source 4 may also be a motor 4a and a coupling for connecting the main shaft of the motor 4a and the rod part of the first tip 3; the drive mechanism may also be a gear structure.
As shown in fig. 1 and 2, the base 2 is further provided with a first driving member 5, a second driving member 6, a second tip 7 and a base 8. The second center 7 is coaxial with the first center 3, and the second center 7 is rotatably connected with the base 8; the first driving part 5 is used for driving the base 8 to reciprocate along the axis of the second tip 7. In the embodiment, the rod part of the center II 7 is rotatably connected with the base 8 through a group of bearings; base 8 and base 2 sliding connection, and the concrete structure is as follows: two guide rails 9 are fixed on the top wall of the base 2, the length of each guide rail 9 extends along the axial direction of the second tip 7, and the arrangement direction of the two guide rails 9 is vertical to the axial direction of the second tip 7. A first guide block matched with the guide rails 9 is fixed on the base 8, and two first guide blocks are arranged on the two guide rails 9 respectively, so that the base 8 can slide smoothly and stably. The first driving part 5 adopts an air cylinder or an oil cylinder, and a piston rod of the first driving part 5 is fixedly connected with the base 8.
And a checking mechanism for simultaneously measuring the inner diameter and the outer diameter of the claw pole 1a and the diameter of the shaft body 1b at the claw pole 1a is arranged between the first centre 3 and the second centre 7, and the driving part 6 is used for driving the checking mechanism to perform reciprocating translation along the axis of the second centre 7. A telescopic displacement sensor 10 for measuring the radial runout of the end part of the shaft body 1b is horizontally arranged between the first tip 3 and the inspection mechanism, the telescopic displacement sensor 10 is rod-shaped, and the axis of the telescopic displacement sensor 10 is vertical to the axis of the second tip 7. In the present embodiment, the telescopic displacement sensor 10 type may be of a pneumatic or magnetic type.
As shown in fig. 2, 3 and 4, the checking mechanism includes a sliding seat 11 disposed on the base 2 and connected to the second driving member 6, wherein the sliding seat 11 is slidably connected to the base 2, and the specific structure is as follows: two second guide blocks are fixed on the bottom wall of the sliding seat 11 and are respectively arranged on the two guide rails 9. The second driving part 6 is an air cylinder or an oil cylinder, and a piston rod of the second driving part 6 is fixedly connected with the sliding seat 11. Preferably, the first driving part 5 and the second driving part 6 are arranged between the first centre 3 and the second centre 7 and are arranged in parallel. Three guide rods 12 are horizontally arranged in the sliding direction of the sliding base 11 at intervals, two ends of each guide rod 12 are fixedly connected with the sliding base 11, and the axial direction of each guide rod 12 is perpendicular to the sliding direction of the sliding base 11.
One of the three guide rods 12 is provided with a first spring 13 and a pair of first base blocks 14 which are symmetrically arranged, the first base blocks 14 are arranged on the corresponding guide rods 12 in a sliding manner along the axial direction, and the first spring 13 enables the two first base blocks 14 to have the tendency of moving back to back; the other two guide rods 12 are respectively provided with a spring unit and a pair of base blocks 15 which are symmetrically arranged, the base blocks 15 are arranged on the corresponding guide rods 12 in a sliding mode along the axial direction, and the spring units enable the corresponding pair of base blocks 15 to have opposite movement trends.
Wherein,
the sliding connection mode of the first base block 14 and the second base block 15 with the guide rod 12 is as follows: as shown in fig. 5, through holes for the corresponding guide rods 12 to pass through are formed in the first base block 14 and the second base block 15, and linear bearings 16 for enabling the first base block 14 and the corresponding guide rods 12 or the second base block 15 and the corresponding guide rods 12 to form sliding connection are arranged in the through holes. Naturally, the sliding connection between the first base block 14 and the guide rod 12 and between the second base block 15 and the guide rod 12 may be realized by adopting a sliding block and sliding groove.
As shown in fig. 4, the first spring 13 is arranged as follows: the first spring 13 is sleeved on the corresponding guide rod 12, and two ends of the first spring 13 respectively press against the two corresponding linear bearings 16.
The structure and the arrangement mode of the spring unit are as follows: the spring unit comprises two springs 17 which are sleeved on the corresponding guide rods 12, the corresponding two base blocks 15 are arranged between the two springs 17, and two ends of each spring 17 are respectively abutted against the sliding seat 11 and the corresponding linear bearing 16. Naturally, the spring unit may adopt a tension spring, the tension spring is located at one side of the guide rod 12, and two ends of the tension spring are respectively connected with the two base blocks 15.
As shown in fig. 2, 3 and 4, the first base block 14 has a first protrusion 14a capable of pressing against the inner side wall of the claw pole 1a, and the second base block 15 has a second protrusion 15a, wherein one pair of the second protrusions 15a can press against the outer side wall of the claw pole 1a, and the other pair of the second protrusions 15a can press against the outer side wall of the shaft body 1 b.
Further, the contact surfaces of the first protruding head 14a and the second protruding head 15a, which are used for being in contact with the rotor 1, are arc-shaped; the guide rod 12 where the first base block 14 is located is provided with a first limiting structure for limiting the maximum distance between the two first base blocks 14, and under the action of the first spring 13, the first base block 14 is pressed against the first limiting structure to ensure that the first convex head 14a can smoothly and stably enter the claw pole 1a, so that the working stability is improved. And a second limiting structure for limiting the minimum distance between the two second base blocks 15 is arranged between each pair of second base blocks 15, and the second base blocks 15 are pressed against the corresponding second limiting structures under the action of the spring units so as to ensure that the second raised heads 15a smoothly move to the designated positions, thereby improving the working stability.
In this embodiment, as shown in fig. 4, the first position-limiting structure includes two first positioning rings 18 sleeved and fixed on the corresponding guide rod 12, the two first positioning rings 18 are provided, the two first base blocks 14 are located between the two first positioning rings 18, and the two first base blocks 14 respectively press against the two first positioning rings 18 under the action of the first spring 13. The second limit structure comprises two second locating rings 19 which are sleeved and fixed on the corresponding guide rod 12, the two second locating rings 19 are positioned between the pair of second base blocks 15, and the two second base blocks 15 are respectively pressed on the two second locating rings 19 under the action of the spring unit. Preferably, the first positioning ring 18 is detachably connected with the corresponding guide rod 12 through threads; the second positioning ring 19 is detachably connected with the corresponding guide rod 12 through threads.
As shown in fig. 3, 4 and 5, a first displacement sensor 20 for measuring the distance change of the two first base blocks 14 is fixed on one first base block 14; in each pair of second base blocks 15, a second displacement sensor 21 for measuring the distance change of the two corresponding second base blocks 15 is fixed on one second base block 15. In this embodiment, an extension rod 22 is horizontally fixed on the base block 14 which is not connected with the displacement sensor 20, the axial direction of the extension rod 22 is perpendicular to the moving direction of the sliding seat 11, and the detection head of the displacement sensor 20 and one end of the extension rod 22 are both arranged between the two base blocks 14 and are coaxially arranged. In the pair of second base blocks 15, a second extension rod 23 is horizontally fixed on the second base block 15 which is not connected with the second displacement sensor 21, the axial direction of the second extension rod 23 is vertical to the moving direction of the sliding seat 11, and a detection head of the second displacement sensor 21 and one end of the second extension rod 23 are both positioned between the two second base blocks 15 and are coaxially arranged.
The installation mode of the first extension rod 22 and the second extension rod 23 is as follows: the first base block 14 is provided with a first connecting hole which penetrates through the first extension rod 22 along the axial direction, the first extension rod 22 penetrates through the first connecting hole, and the first extension rod 22 and the first base block 14 are tightly matched and fixedly connected; the second base block 15 is provided with a second connecting hole which penetrates through the second extension rod 23 along the axial direction, the second extension rod 23 penetrates through the second connecting hole, and the second extension rod 23 is tightly matched and fixedly connected with the second base block 15.
In an actual product, the telescopic displacement sensor 10, the first displacement sensor 20 and the second displacement sensor 21 are all connected with a control system; a sliding rod 24 is arranged below each guide rod 12 in parallel, and two ends of each sliding rod 24 are fixedly connected with the base 8. The pair of first base blocks 14 and the two pairs of second base blocks 15 are respectively connected with the corresponding slide rods 24 in a sliding mode. One pair of the second base blocks 15 is disposed between the other pair of the second base blocks 15 and the pair of the first base blocks 14.
The measuring device has the following use process: the rotor 1 is clamped between the first center 3 and the second center 7 and can be driven to rotate by the motor 4a, when the rotor 1 rotates, the telescopic displacement sensor 10 measures radial run-out of the end part of the shaft body 1b, and the diameter of the end part of the shaft body 1b is output through the control system; after the diameter of the end part of the output shaft is measured, the motor 4a stops running, the telescopic displacement sensor 10 retracts, the driving part II 6 drives the sliding seat 11 to move, the claw pole 1a is finally positioned between the pair of protruding heads II 15a, the two protruding heads I14 a and the other pair of protruding heads II 15a are positioned on the inner side of the claw pole 1a, under the action of the spring I13 and the spring unit, the two protruding heads I14 a are pressed against the inner side wall of the claw pole 1a, the two pairs of protruding heads II 15a are respectively pressed against the outer side wall of the claw pole 1a and the outer side wall of the shaft body 1b, the displacement sensor I20 and the displacement sensor II 21 transmit measured distance change signals to the control system, and finally the inner diameter and the outer diameter of the claw pole 1a and the diameter of the shaft body 1b are output.
Example two
The second embodiment is basically the same as the first embodiment in structure and principle, and the difference lies in: the first limiting structure comprises a first ring body fixed on the corresponding guide rod 12 and a first convex ring formed on the guide rod 12, the two first base blocks 14 are located between the first convex ring and the first ring body, and under the action of a first spring 13, the two first base blocks 14 respectively press against the first ring body and the first convex ring.
EXAMPLE III
The structure and principle of the third embodiment are basically the same as those of the first embodiment, and the differences are that: the first limiting structure comprises two convex rings II formed on the corresponding guide rod 12, the two convex rings II are positioned between the pair of base blocks II 15, and the two base blocks II 15 respectively press against the two convex rings II under the action of the spring unit.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. Automobile generator rotor inspection mechanism, rotor (1) are including claw utmost point (1a) and axis body (1b), inspection mechanism includes base (2), slide (11) of slip setting on base (2) and be used for driving slide (11) driving piece two (6) of reciprocating sliding on the horizontal direction, its characterized in that, three guide arms (12) have been arranged horizontally on the sliding direction of slide (11), guide arm (12) link firmly with slide (11), and guide arm (12) axial is perpendicular with the sliding direction of slide (11); one guide rod (12) is provided with a first spring (13) and a pair of first base blocks (14) which are symmetrically arranged, the first base blocks (14) are arranged on the corresponding guide rod (12) in a sliding mode along the axial direction, and the first spring (13) enables the two first base blocks (14) to have the tendency of moving back to back; the other two guide rods (12) are respectively provided with a spring unit and a pair of base blocks II (15) which are symmetrically arranged, the base blocks II (15) are arranged on the corresponding guide rods (12) in a sliding manner along the axial direction, and the spring units enable the corresponding pair of base blocks II (15) to have the opposite movement tendency; the first base block (14) is provided with a first raised head (14a) capable of being pressed against the inner side wall of the claw pole (1a), the second base block (15) is provided with a second raised head (15a), one pair of the second raised heads (15a) can be pressed against the outer side wall of the claw pole (1a), and the other pair of the second raised heads (15a) can be pressed against the outer side wall of the shaft body (1 b); one of the first base blocks (14) is fixed with a first displacement sensor (20) for measuring the distance change of the two first base blocks (14); in each pair of second base blocks (15), a second displacement sensor (21) for measuring the distance change of the two corresponding second base blocks (15) is fixed on one second base block (15).
2. The automobile generator rotor inspection mechanism according to claim 1, characterized in that a guide rod (12) where the first base block (14) is located is provided with a first limit structure for limiting the maximum distance between the two first base blocks (14), and the first base block (14) is pressed against the first limit structure under the action of a first spring (13).
3. The automobile generator rotor inspection mechanism according to claim 1, characterized in that a second limit structure for limiting the minimum distance between two second base blocks (15) is arranged between each pair of second base blocks (15), and the second base blocks (15) are pressed against the corresponding second limit structures under the action of the spring unit.
4. The automobile generator rotor inspection mechanism according to claim 2, characterized in that the first limit structure comprises two first positioning rings (18) sleeved and fixed on the corresponding guide rod (12), the two first positioning rings (18) are provided, the two first base blocks (14) are arranged between the two first positioning rings (18), and the two first base blocks (14) respectively press against the two first positioning rings (18) under the action of the first springs (13).
5. The automobile generator rotor inspection mechanism according to claim 3, wherein the two limit structures comprise two second locating rings (19) sleeved and fixed on the corresponding guide rods (12), the two second locating rings (19) are located between the pair of second base blocks (15), and the two second base blocks (15) are respectively pressed against the two second locating rings (19) under the action of the spring unit.
6. The automobile generator rotor inspection mechanism according to claim 2, 3, 4 or 5, characterized in that the first base block (14) and the second base block (15) are provided with through holes for the corresponding guide rods (12) to pass through, and linear bearings (16) for enabling the first base block (14) and the corresponding guide rods (12) or the second base block (15) and the corresponding guide rods (12) to form sliding connection are arranged in the through holes.
7. The automobile generator rotor inspection mechanism according to claim 1, characterized in that a first extension rod (22) is horizontally fixed on the first base block (14) which is not connected with the first displacement sensor (20), the axial direction of the first extension rod (22) is vertical to the moving direction of the sliding seat (11), and the detection head of the first displacement sensor (20) and one end of the first extension rod (22) are both arranged between the two first base blocks (14) and are coaxially arranged.
8. The automobile generator rotor inspection mechanism according to claim 1, wherein, in the pair of second base blocks (15), a second extension rod (23) is horizontally fixed on the second base block (15) which is not connected with the second displacement sensor (21), the axial direction of the second extension rod (23) is perpendicular to the moving direction of the sliding seat (11), and the detection head of the second displacement sensor (21) and one end of the second extension rod (23) are both arranged between the two second base blocks (15) and are coaxially arranged.
9. The automobile generator rotor inspection mechanism according to claim 2, wherein the spring unit comprises two second springs (17) which are sleeved on the corresponding guide rods (12), the two corresponding base blocks (15) are arranged between the two second springs (17), and two ends of each second spring (17) respectively abut against the sliding base (11) and the corresponding linear bearing (16).
10. The automobile generator rotor checking mechanism according to claim 1, wherein contact surfaces of the first protruding head (14a) and the second protruding head (15a) for contacting with the rotor (1) are both arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010995744.7A CN111982048B (en) | 2020-09-21 | 2020-09-21 | Automobile generator rotor inspection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010995744.7A CN111982048B (en) | 2020-09-21 | 2020-09-21 | Automobile generator rotor inspection mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111982048A CN111982048A (en) | 2020-11-24 |
| CN111982048B true CN111982048B (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202010995744.7A Active CN111982048B (en) | 2020-09-21 | 2020-09-21 | Automobile generator rotor inspection mechanism |
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