WO2022057623A1 - 汽车发电机转子尺寸测量装置 - Google Patents

汽车发电机转子尺寸测量装置 Download PDF

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Publication number
WO2022057623A1
WO2022057623A1 PCT/CN2021/116011 CN2021116011W WO2022057623A1 WO 2022057623 A1 WO2022057623 A1 WO 2022057623A1 CN 2021116011 W CN2021116011 W CN 2021116011W WO 2022057623 A1 WO2022057623 A1 WO 2022057623A1
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Prior art keywords
base
measuring
base blocks
blocks
pair
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PCT/CN2021/116011
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English (en)
French (fr)
Inventor
赵玲刚
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台州市东部数控设备有限公司
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Publication of WO2022057623A1 publication Critical patent/WO2022057623A1/zh

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Classifications

    • 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
    • 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
    • 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
    • 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

Definitions

  • the invention belongs to the technical field of machinery, and relates to a dimension measuring device, in particular to a dimension measuring device for an automobile generator rotor.
  • the existing automobile generator rotor generally includes a ring-shaped claw pole and a shaft body passing through the claw pole. After the rotor is processed, it is generally necessary to measure the diameter of the rotor end, the inner and outer diameters of the claw pole, and the diameter of the part of the shaft body inside the claw pole (that is, the middle of the shaft body).
  • the purpose of the present invention is to solve the above-mentioned problems in the existing technology, and proposes a high-efficiency vehicle generator rotor dimension measuring device.
  • a vehicle generator rotor size measuring device the rotor includes a claw pole and a shaft body, and the measuring device includes a base, a top set on the base, and a center for driving the top to rotate.
  • the driving source is characterized in that the base is further provided with a driving part 1, a driving part 2, a second center and a base;
  • the axis of the top two moves reciprocatingly; between the top one and the top two, there is an inspection mechanism for simultaneously measuring the inner and outer diameters of the claw pole and the diameter of the shaft at the claw pole, and the driving member two is used to drive the above inspection mechanism along the top two.
  • the axis reciprocates and translates; between the top 1 and the inspection mechanism, a telescopic displacement sensor for measuring the radial runout of the end of the shaft body is arranged horizontally, and the axis of the telescopic displacement sensor is perpendicular to the axis of the top two.
  • the telescopic displacement sensor is connected to the control system; when in use, the rotor is clamped between the top one and the top two, and can be driven to rotate by the driving source; among them, when the rotor rotates, the telescopic displacement sensor measures the diameter of the end of the shaft body.
  • the diameter of the end of the shaft body is output through the control system; the inspection mechanism is used to measure the inner and outer diameters of the claw pole and the diameter of the shaft body at the claw pole at the same time, which can not only effectively reduce the measurement steps, but also the entire measurement process can be completely Automatically, thus effectively improving the measurement efficiency and convenience.
  • the above-mentioned inspection mechanism includes a sliding seat arranged on the base and connected with the second driving member, and three guide rods are horizontally arranged in the sliding direction of the sliding seat, and the guide rods are connected with the sliding seat.
  • the seat is fixedly connected, and the axial direction of the guide rod is perpendicular to the sliding direction of the sliding seat; one of the guide rods is provided with a spring 1 and a pair of symmetrically arranged base blocks 1, and the base block 1 is axially slid on the corresponding guide rod.
  • the first spring makes the two base blocks move opposite to each other;
  • the other two guide rods are provided with a spring unit and a pair of symmetrically arranged base block two, and the base block two slides along the axial direction on the corresponding guide rod,
  • the spring unit makes the corresponding pair of base blocks 2 have a tendency to move toward each other;
  • the base block 1 has a convex head 1 that can press against the inner side wall of the claw pole, and the base block 2 has a convex head 2, of which a pair of convex heads 2 It can press on the outer side wall of the claw pole, and the other pair of protruding heads can press on the outer side wall of the shaft;
  • one of the base blocks is fixed with a displacement sensor 1 for measuring the distance change between the two base blocks;
  • the second base blocks one of the second base blocks is fixed with a second displacement sensor for measuring the distance change corresponding to the two base blocks 2 .
  • the use process is as follows: the rotor stops rotating, the driving member 2 drives the sliding seat to move and finally the claw pole is located between a pair of convex heads 2, the two convex heads 1 and the other pair of convex heads 2 are located inside the claw pole, and are in the spring 1. Under the action of the spring assembly, the first two protruding heads press against the inner side wall of the claw pole, and the two pairs of protruding heads press against the outer side wall of the claw pole and the outer side wall of the shaft respectively. The distance measured by the second displacement sensor and the third displacement sensor The change signal is transmitted to the control system, and finally the inner and outer diameter of the claw pole and the diameter of the shaft body are output, which has the advantages of simple structure and convenient use.
  • the guide rod where the first base block is located is provided with a limiting structure 1 for limiting the maximum distance between the two base blocks 1, and under the action of the spring 1, the base block 1 Press against the limiting structure 1 to ensure that the protruding head 1 can enter into the claw pole smoothly and stably, so as to improve the working stability.
  • each pair of base blocks is provided with a limit structure 2 for defining the minimum distance between the two base blocks, and under the action of the spring assembly, the base blocks 2 abut against each other. Press on the corresponding limit structure 2 to ensure that the convex head 2 moves smoothly to the designated position to improve the working stability.
  • the first limiting structure includes a positioning ring that is sleeved and fixed on the corresponding guide rod, the first positioning ring has two, and the two base blocks are located in the two positioning rings. In between, and under the action of the spring, the two base blocks are respectively pressed against the two positioning rings, which has the advantages of simple structure and convenient installation.
  • the limiting structure 2 includes two positioning rings 2 sleeved and fixed on the corresponding guide rods, and the two locating rings 2 are located between a pair of base blocks 2 Under the action of the spring assembly, the two base blocks press against the two positioning rings respectively, which has the advantages of simple structure and convenient installation.
  • the limiting structure includes a ring body fixed on the corresponding guide rod, a convex ring formed on the guide rod, and two base blocks.
  • the first is located between the first convex ring and the first ring body, and under the action of the first spring, the two base blocks are respectively pressed against the first ring body and the first convex ring.
  • the limiting structure 1 includes two convex rings formed on the corresponding guide rods, and the two convex rings are located between a pair of base blocks 2 , and under the action of the spring assembly, the two base blocks are pressed against the two convex rings respectively.
  • the base block 1 and the base block 2 are provided with through holes for the corresponding guide rods to pass through, and the through holes are provided with the base block 1 and the corresponding guide rod or base block 2.
  • Linear bearing that forms a sliding connection with the corresponding guide rod.
  • an extension rod 1 is horizontally fixed on the base block 1 that is not connected with the displacement sensor 1, and the axial direction of the extension rod 1 is perpendicular to the moving direction of the sliding seat, and the detection head of the displacement sensor 1 and one end of the extension rod one is located between the two base blocks one and the two are coaxially arranged. Setting the extension rod 1 can reduce the measurement distance of the displacement sensor 1, so as to avoid interference during measurement and improve the measurement accuracy.
  • an extension rod 2 is horizontally fixed on the base block 2 that is not connected with the displacement sensor 2, and the axial direction of the extension rod 2 corresponds to the moving direction of the sliding seat.
  • the detection head of the second displacement sensor and one end of the second extension rod are both located between the two base blocks and the two are arranged coaxially. Setting the extension rod 2 can reduce the measurement distance of the displacement sensor 2, so as to avoid interference during measurement and improve the measurement accuracy.
  • the spring assembly includes two springs two sleeved on the corresponding guide rods, the corresponding two base blocks are both located between the two springs two, and the two ends of the spring two are respectively abutted against on the carriage and the corresponding linear bearing.
  • the contact surfaces on the first and second bosses for contacting the rotor are both arc-shaped.
  • the sliding seat and the base are slidably connected, the second driving member is a cylinder or an oil cylinder, and the second driving member includes a piston rod, and the piston rod is fixedly connected with the sliding seat.
  • the driving source includes a motor and a driving mechanism for connecting the motor and the top one.
  • the driving mechanism includes a driving wheel fixed on the main shaft of the motor and a driven wheel fixed on the center 1, and the driving wheel and the driven wheel are connected by a synchronous belt.
  • the auto generator rotor dimension measuring device has the following advantages:
  • the inspection mechanism is used to measure the inner and outer diameters of the claw pole and the diameter of the shaft at the claw pole at the same time, which can not only effectively reduce the measurement steps, but also the entire measurement process can be fully automated, effectively improving the measurement efficiency and convenience.
  • Setting the extension rod 1 and the extension rod 2 can reduce the measurement distance of the displacement sensor 1 and the displacement sensor 2, so as to avoid the interference during measurement and improve the measurement accuracy.
  • FIG. 1 is a schematic diagram of the three-dimensional structure of the measuring device.
  • FIG. 2 is a schematic diagram of the three-dimensional structure of the inspection mechanism.
  • FIG. 3 is a schematic view of the structure of the inspection mechanism from the bottom.
  • FIG. 4 is a schematic diagram of the connection structure between the guide rod and the first and second springs.
  • FIG. 5 is a schematic cross-sectional structure diagram of the inspection mechanism.
  • the automobile generator rotor includes a ring-shaped claw pole 1a and a shaft body 1b that penetrates the claw pole 1a.
  • the apparatus for measuring the rotor size of an automobile generator includes a base 2 , a top 3 arranged on the base 2 , and a driving source 4 for driving the top 3 to rotate.
  • the top 1 3 is rotatably connected to the base 2, and in this embodiment, the rod of the top 3 is rotatably connected to the base 2 through a plurality of sets of bearings.
  • the driving source 4 includes a motor 4a fixed on the base 2 and a driving mechanism for connecting the motor 4a and the center 3 .
  • the motor 4a is arranged on one side of the center-3
  • the driving mechanism includes a driving wheel fixed on the main shaft of the motor 4a and a driven wheel fixed on the end of the center-3, and the driving wheel and the driven wheel are synchronized by With 4b connection.
  • the driving source 4 can also be a motor 4a and a coupling for connecting the main shaft of the motor 4a and the top-3 rod; the driving mechanism can also be a gear structure.
  • the base 2 is further provided with a driving member 5 , a driving member 2 6 , a top 2 7 and a base 8 .
  • the top two 7 and the top one 3 are coaxial, and the top two 7 is connected with the base 8 in rotation; the driving element one 5 is used to drive the base 8 to reciprocate along the axis of the top two 7 .
  • the rod part of the top 2 7 is rotatably connected with the base 8 through a set of bearings; the base 8 and the base 2 are slidably connected, and the specific structure is as follows: two guide rails 9 are fixed on the top wall of the base 2, and the length of the guide rail 9 is It extends axially along the top two 7 , and the arrangement direction of the two guide rails 9 is perpendicular to the axial direction of the top two 7 .
  • a guide block 1 matching the guide rail 9 is fixed on the base 8 , and the guide block 1 has two and is respectively installed on the two guide rails 9 , so that the base 8 slides smoothly and stably.
  • the driving part one 5 adopts an air cylinder or an oil cylinder, and the piston rod of the driving part one 5 is fixedly connected with the base 8 .
  • a test mechanism for simultaneously measuring the inner and outer diameters of the claw pole 1a and the diameter of the shaft 1b at the claw pole 1a is provided between the top 1 3 and the top two 7, and the driving member 2 6 is used to drive the above test mechanism along the top two. 7 axis reciprocating translation.
  • a telescopic displacement sensor 10 for measuring the radial runout of the end of the shaft body 1b is arranged horizontally between the top 1 3 and the inspection mechanism. The axis is vertical.
  • the type of the telescopic displacement sensor 10 may be a pneumatic type or a magnetostrictive type.
  • the inspection mechanism includes a sliding seat 11 arranged on the base 2 and connected with the driving member 2 6, wherein the sliding seat 11 and the base 2 are slidably connected, and the specific structure is as follows: Two guide blocks 2 are fixed on the bottom wall of the sliding seat 11 , and the two guide blocks 2 are respectively installed on the two guide rails 9 .
  • the second driving member 6 is an air cylinder or an oil cylinder, and the piston rod of the second driving member 6 is fixedly connected with the sliding seat 11 .
  • the first driving member 5 and the second driving member 6 are located between the top center one 3 and the top center two 7 and are arranged side by side.
  • three guide rods 12 are arranged horizontally at intervals.
  • One of the guide rods 12 is provided with a spring one 13 and a pair of base blocks one 14 symmetrically arranged.
  • the other two guide rods 12 are provided with a spring unit and a pair of base blocks 15 arranged symmetrically.
  • a pair of base blocks 15 have a tendency to move toward each other.
  • the first base block 14 and the second base block 15 are slidably connected to the guide rod 12 in the following manner: as shown in FIG.
  • a linear bearing 16 is arranged in the hole to form a sliding connection between the first base block 14 and the corresponding guide rod 12 or the second base block 15 and the corresponding guide rod 12 .
  • the sliding connection between the first base block 14 and the guide rod 12 and the second base block 15 and the guide rod 12 can also be realized by using a sliding block and sliding groove.
  • the arrangement of the spring one 13 is as follows: the spring one 13 is sleeved on the corresponding guide rod 12 , and the two ends of the spring one 13 press against the corresponding two linear bearings 16 respectively.
  • the spring assembly includes two springs 2 17 both sleeved on the corresponding guide rods 12 , the corresponding two base blocks 15 are located between the two springs 2 17 , and the two ends of the springs 2 17 are respectively Abut on the sliding seat 11 and the corresponding linear bearing 16 .
  • the spring assembly can be a tension spring, the tension spring is located on one side of the guide rod 12 , and the two ends of the tension spring are connected to the two base blocks 15 respectively.
  • the base block 14 has a convex head 14a that can press against the inner side wall of the claw pole 1a
  • the base block 15 has a convex head 2 15a, wherein a pair of convex heads
  • the second two 15a can press against the outer side wall of the claw pole 1a
  • the other pair of protruding heads 15a can press against the outer side wall of the shaft body 1b.
  • each pair of base blocks 15 is provided with a second limiting structure for limiting the minimum distance between the two base blocks 15 , and under the action of the spring assembly, the base block 15 is pressed against the corresponding limiting structure 2 , so as to ensure that the second protruding head 15a moves smoothly to the designated position, so as to improve the working stability.
  • the first limiting structure includes a positioning ring 18 sleeved and fixed on the corresponding guide rod 12 .
  • the second limiting structure includes two positioning rings 19 sleeved and fixed on the corresponding guide rods 12.
  • the two positioning rings 19 are located between a pair of base blocks 15, and under the action of the spring assembly, the two base blocks 15 are respectively It is pressed against the two positioning rings 2 19 and has the advantages of simple structure and convenient installation.
  • the first positioning ring 18 is detachably connected to the corresponding guide rod 12 through threads; the second positioning ring 19 is detachably connected to the corresponding guide rod 12 through threads.
  • one of the base blocks 14 is fixed with a displacement sensor 1 20 for measuring the distance change between the two base blocks 14; in each pair of base blocks 15, one of the base blocks 2
  • the second displacement sensor 21 for measuring the distance change corresponding to the two base blocks 2 15 is fixed on the 15 .
  • an extension rod 1 22 is horizontally fixed on the base block 1 14 that is not connected with the displacement sensor 1 20.
  • the axial direction of the extension rod 1 22 is perpendicular to the moving direction of the sliding seat 11.
  • the detection head of the displacement sensor 1 20 One end of the extension rod one 22 is located between the two base blocks one 14 and the two are coaxially arranged.
  • the base block 2 15 not connected with the displacement sensor 21 is horizontally fixed with an extension rod 23 .
  • the axial direction of the extension rod 23 is perpendicular to the moving direction of the sliding seat 11 .
  • the detection head and one end of the second extension rod 23 are both located between the two base blocks 15 and they are arranged coaxially.
  • the base block 1 14 has a connecting hole 1 that penetrates axially through the extension rod 1 22, the extension rod 1 22 is penetrated in the connecting hole 1, and extends
  • the first rod 22 and the base block one 14 are closely matched and connected
  • the base block two 15 has a connecting hole two extending axially through the extending rod two 23, the extending rod two 23 is penetrated in the connecting hole two, and the extending rod two 23 and The second base block 15 is tightly fitted and fixed.
  • the telescopic displacement sensor 10 the displacement sensor 1 20 and the displacement sensor 2 21 are all connected to the control system; a sliding rod 24 is arranged under each guide rod 12 in parallel, and both ends of the sliding rod 24 are fixed with the base 8. even.
  • a pair of base blocks 14 and two pairs of base blocks 15 are respectively slidably connected with the corresponding sliding bars 24 .
  • One pair of base blocks 15 is disposed between the other pair of base blocks 15 and the first pair of base blocks 14 .
  • the use process of the measuring device is as follows: the rotor 1 is sandwiched between the top 1 3 and the top 2 7, and can be driven to rotate by the motor 4a, when the rotor 1 rotates, the telescopic displacement sensor 10 measures the radial runout of the end of the shaft body 1b, and The diameter of the end of the shaft body 1b is output through the control system; after the measurement of the diameter of the end of the output shaft is completed, the motor 4a stops running, the telescopic displacement sensor 10 retracts, and the driving member 26 drives the sliding seat 11 to move and finally makes the claw pole 1a in it Between a pair of protruding heads 15a, the two protruding heads 1 14a and the other pair of protruding heads 2 15a are located inside the claw pole 1a, and under the action of the spring 1 13 and the spring assembly, the two protruding heads 14a are pressed against the claw pole 1a.
  • the two pairs of protruding heads 15a press against the outer side wall of the claw pole 1a and the outer side wall of the shaft body 1b respectively, the displacement sensor 1 20 and the displacement sensor 2 21 transmit the measured distance change signal to the control system, and finally output
  • the inner and outer diameters of the claw pole 1a and the diameter of the shaft body 1b have the advantages of simple structure and convenient use.
  • the limiting structure 1 includes a ring body 1 fixed on the corresponding guide rod 12 and a convex ring formed on the guide rod 12 , two The base block 1 14 is located between the convex ring 1 and the ring body 1, and under the action of the spring 1 13, the two base blocks 14 press against the ring body 1 and the convex ring body 1 respectively.
  • the structure and principle of the third embodiment are basically the same as those of the first embodiment, and the difference is that the limiting structure 1 includes two convex rings 2 formed on the corresponding guide rods 12 , and the two convex rings 2 are located in a pair of base blocks 15 Between, and under the action of the spring assembly, the two base blocks 15 press against the two convex rings 2 respectively.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

一种汽车发电机转子尺寸测量装置，转子(1)包括爪极(1a)和轴体(1b)，测量装置包括基座(2)、设于基座(2)上的顶尖一(3)以及用于驱动顶尖一(3)转动的驱动源(4)，基座(2)上还设有驱动件一(5)、驱动件二(6)、顶尖二(7)和底座(8)，顶尖二(7)与顶尖一(3)同轴，且顶尖二(7)与底座(8)转动连接，驱动件一(5)用于驱动底座(8)沿顶尖二(7)轴线往复移动；顶尖一(3)和顶尖二(7)之间设有用于同时测量爪极(1a)内、外径以及轴体(1b)处于爪极(1a)处的直径的检验机构，且驱动件二(6)用于驱动检验机构沿顶尖二(7)轴线往复平移；顶尖一(3)和检验机构之间水平设有用于测量轴体(1b)端部径向跳动的伸缩式位移传感器(10)，且伸缩式位移传感器(10)的轴线与顶尖二(7)的轴线垂直。

Description

汽车发电机转子尺寸测量装置 技术领域
 本发明属于机械技术领域，涉及一种尺寸测量装置，特别是一种汽车发电机转子尺寸测量装置。
 背景技术
 现有的汽车发电机转子一般包括呈环状的爪极和穿设在爪极内的轴体。转子在加工完毕后，一般需要对转子端部直径、爪极内径和外径以及轴体处于爪极内的部分（也就是轴体中部）直径进行测量，尺寸测量合格后方可发货。
在现有的测量过程中，一般是通过人工对上述各个尺寸依次进行测量，整个测量过程操作较为繁琐，严重影响效率。
 技术问题
 本发明的目的是针对现有的技术存在上述问题，提出了一种效率高的汽车发电机转子尺寸测量装置。
 技术解决方案
 本发明的目的可通过下列技术方案来实现：汽车发电机转子尺寸测量装置，转子包括爪极和轴体，测量装置包括基座、设于基座上的顶尖一以及用于驱动顶尖一转动的驱动源，其特征在于，基座上还设有驱动件一、驱动件二、顶尖二和底座，顶尖二与顶尖一同轴，且顶尖二与底座转动连接，驱动件一用于驱动底座沿顶尖二轴线往复移动；顶尖一和顶尖二之间设有用于同时测量爪极内、外径以及轴体处于爪极处的直径的检验机构，且驱动件二用于驱动上述检验机构沿顶尖二轴线往复平移；顶尖一和检验机构之间水平设有用于测量轴体端部径向跳动的伸缩式位移传感器，且伸缩式位移传感器的轴线与顶尖二的轴线垂直。
实际产品中，伸缩式位移传感器连接控制系统；使用时，转子夹于顶尖一和顶尖二之间，并可由驱动源驱动转动；其中，在转子旋转时，伸缩式位移传感器测量轴体端部径向跳动，并通过控制系统输出轴体端部直径；检验机构用于同时测量爪极内、外径以及轴体处于爪极处的直径，这样不仅能有效减少测量步骤，而且整个测量过程可完全自动进行，从而有效提高测量效率和方便性。
在上述的汽车发电机转子尺寸测量装置中，上述的检验机构包括设于基座上且与驱动件二连接的滑座，在滑座的滑动方向上水平布置有三根导杆，导杆与滑座固连，且导杆轴向与滑座的滑动方向垂直；其中一根导杆上设有弹簧一以及对称设置的一对基块一，基块一沿轴向滑动设置在对应导杆上，且弹簧一使两基块一具有相背移动趋势；另外两根导杆上均设有弹簧单元以及对称设置的一对基块二，基块二沿轴向滑动设置在对应导杆上，且弹簧单元使对应的一对基块二具有相向运动趋势；基块一上具有能抵压在爪极内侧壁上的凸头一，基块二上具有凸头二，其中一对凸头二能抵压在爪极外侧壁上，另一对凸头二能抵压在轴体外侧壁上；其中一个基块一上固定有用于测量两基块一距离变化的位移传感器一；在每对基块二中，其中一个基块二上固定有用于测量对应两基块二距离变化的位移传感器二。
使用过程如下：转子停止转动，驱动件二驱动滑座移动并最终使爪极处于其中一对凸头二之间，两凸头一以及另一对凸头二处于爪极内侧，并在弹簧一和弹簧组件作用下，两凸头一抵压在爪极内侧壁上，两对凸头二分别抵压在爪极外侧壁和轴体外侧壁上，位移传感器二和位移传感器三将测量的距离变化信号传输给控制系统，并最终输出爪极内外径和轴体直径，具有结构简单、使用方便的优点。在上述的汽车发电机转子尺寸测量装置中，基块一所处的导杆上设有用于限定两基块一之间的最大距离的限位结构一，且在弹簧一作用下，基块一抵压在限位结构一上，以确保凸头一能够顺畅、稳定进入到爪极内，来提高工作稳定性。
在上述的汽车发电机转子尺寸测量装置中，每对基块二之间均设有用于限定两基块二之间的最小距离的限位结构二，且在弹簧组件作用下，基块二抵压在对应的限位结构二上，以确保凸头二顺畅移动至指定位置，来提高工作稳定性。
在上述的汽车发电机转子尺寸测量装置中，所述的限位结构一包括套设并固定在对应导杆上的定位环一，定位环一有两个，两基块一处于两定位环一之间，且在弹簧一作用下，两基块一分别抵压在两定位环一上，具有结构简单、安装方便的优点。
在上述的汽车发电机转子尺寸测量装置中，所述的限位结构二包括套设并固定在对应导杆上的两定位环二，两定位环二处于一对基块二之间，且在弹簧组件作用下，两基块二分别抵压在两定位环二上，具有结构简单、安装方便的优点。
作为另一种方案，在上述的汽车发电机转子尺寸测量装置中，所述的限位结构一包括固定在对应导杆上的环体一以及成型在导杆上的凸环一，两基块一处于凸环一和环体一之间，且在弹簧一作用下，两基块一分别抵压在环体一和凸环一上。
作为另一种方案，在上述的汽车发电机转子尺寸测量装置中，所述的限位结构一包括成型在对应导杆上的两凸环二，两凸环二处于一对基块二之间，且在弹簧组件作用下，两基块二分别抵压在两凸环二上。
在上述的汽车发电机转子尺寸测量装置中，基块一和基块二上均设有供对应导杆穿过的通孔，通孔内设有使基块一与对应导杆或基块二与对应导杆形成滑动连接的直线轴承。
在上述的汽车发电机转子尺寸测量装置中，未与位移传感器一连接的基块一上水平固定有延长杆一，延长杆一的轴向与滑座的移动方向垂直，位移传感器一的检测头和延长杆一的一端均处于两基块一之间且两者同轴布置。设置延长杆一，可降低位移传感器一的测量距离，以避免测量时受到的干扰，来提高测量精度。
在上述的汽车发电机转子尺寸测量装置中，在一对基块二中，未与位移传感器二连接的基块二上水平固定有延长杆二，延长杆二的轴向与滑座的移动方向垂直，位移传感器二的检测头和延长杆二的一端均处于两基块二之间且两者同轴布置。设置延长杆二，可降低位移传感器二的测量距离，以避免测量时受到的干扰，来提高测量精度。
在上述的汽车发电机转子尺寸测量装置中，弹簧组件包括均套在对应导杆上的两弹簧二，对应的两基块二均处于两弹簧二之间，且弹簧二的两端分别抵在滑座和对应的直线轴承上。
在上述的汽车发电机转子尺寸测量装置中，凸头一和凸头二上用于与转子接触的接触面均呈圆弧形。
在上述的汽车发电机转子尺寸测量装置中，滑座和基座滑动连接，驱动件二为气缸或油缸，驱动件二包括活塞杆，且活塞杆与滑座固连。
在上述的汽车发电机转子尺寸测量装置中，驱动源包括电机和用于连接电机和顶尖一的驱动机构。
在上述的汽车发电机转子尺寸测量装置中，驱动机构包括固定在电机主轴上的主动轮和固定在顶尖一上的从动轮，且主动轮和从动轮通过同步带连接。
 有益效果
与现有技术相比，本汽车发电机转子尺寸测量装置具有以下优点：
1、检验机构用于同时测量爪极内、外径以及轴体处于爪极处的直径，这样不仅能有效减少测量步骤，而且整个测量过程可完全自动进行，有效提高测量效率和方便性。2、设置延长杆一和延长杆二，可降低位移传感器一和位移传感器二的测量距离，以避免测量时受到的干扰，来提高测量精度。
 附图说明
图1是本测量装置的立体结构示意图。
图2是检验机构的立体结构示意图。
图3是检验机构的下视结构示意图。
图4是导杆与弹簧一、弹簧二的连接结构示意图。
图5是检验机构的剖视结构示意图。
图中，1、转子；1a、爪极；1b、轴体；2、基座；3、顶尖一；4、驱动源；4a、电机；4b、同步带；5、驱动件一；6、驱动件二；7、顶尖二；8、底座；9、导轨；10、伸缩式位移传感器；11、滑座；12、导杆；13、弹簧一；14、基块一；14a、凸头一；15、基块二；15a、凸头二；16、直线轴承；17、弹簧二；18、定位环一；19、定位环二；20、位移传感器一；21、位移传感器二；22、延长杆一；23、延长杆二；24、滑杆。
 本发明的最佳实施方式
以下是本发明的具体实施例并结合附图，对本发明的技术方案作进一步的描述，但本发明并不限于这些实施例。
实施例一
如图1所示，汽车发电机转子包括呈环状的爪极1a和穿设在爪极1a内的轴体1b。本汽车发电机转子尺寸测量装置包括基座2、设于基座2上的顶尖一3以及用于驱动顶尖一3转动的驱动源4。
其中，顶尖一3与基座2转动连接，且在本实施例中，顶尖一3的杆部通过多组轴承与基座2转动连接。驱动源4包括固定在基座2上的电机4a以及用于连接电机4a和顶尖一3的驱动机构。在本实施例中，电机4a设置在顶尖一3的一侧，驱动机构包括固定在电机4a主轴上的主动轮和固定在顶尖一3端部上的从动轮，且主动轮和从动轮通过同步带4b连接。自然，驱动源4也可以为电机4a和用于连接电机4a主轴和顶尖一3杆部的联轴器；驱动机构也可以为齿轮结构。
如图1和图2所示，基座2上还设有驱动件一5、驱动件二6、顶尖二7和底座8。其中，顶尖二7与顶尖一3同轴，且顶尖二7与底座8转动连接；驱动件一5用于驱动底座8沿顶尖二7轴线往复移动。在本实施例中，顶尖二7杆部通过一组轴承与底座8转动连接；底座8和基座2滑动连接，且具体结构如下：基座2顶壁上固定有两导轨9，导轨9长度沿顶尖二7轴向延伸，且两导轨9布置方向与顶尖二7轴向垂直。底座8上固定有与导轨9匹配的导块一，导块一有两个且分别安装在两导轨9上，使底座8顺畅、稳定滑动。驱动件一5采用气缸或油缸，且驱动件一5的活塞杆与底座8固连。
顶尖一3和顶尖二7之间设有用于同时测量爪极1a内、外径以及轴体1b处于爪极1a处的直径的检验机构，且驱动件二6用于驱动上述检验机构沿顶尖二7轴线往复平移。顶尖一3和检验机构之间水平设有用于测量轴体1b端部径向跳动的伸缩式位移传感器10，伸缩式位移传感器10呈杆状，且伸缩式位移传感器10的轴线与顶尖二7的轴线垂直。在本实施例中，伸缩式位移传感器10类型可以是气动式或磁致式。
如图2、图3和图4所述，检验机构包括设于基座2上且与驱动件二6连接的滑座11，其中，滑座11和基座2滑动连接，且具体结构如下：滑座11底壁上固定有两导块二，且两导块二分别安装在两导轨9上。驱动件二6为气缸或油缸，驱动件二6的活塞杆与滑座11固连。优选驱动件一5和驱动件二6均处于顶尖一3和顶尖二7之间且并列设置。在滑座11的滑动方向上间隔水平布置有三根导杆12，导杆12两端均与滑座11固连，且导杆12轴向与滑座11的滑动方向垂直三根导杆12中，其中一根导杆12上设有弹簧一13以及对称设置的一对基块一14，基块一14沿轴向滑动设置在对应导杆12上，且弹簧一13使两基块一14具有相背移动趋势；另外两根导杆12上均设有弹簧单元以及对称设置的一对基块二15，基块二15沿轴向滑动设置在对应导杆12上，且弹簧单元使对应的一对基块二15具有相向运动趋势。
其中，
基块一14、基块二15与导杆12滑动连接的方式如下：如图5所示，基块一14和基块二15上均设有供对应导杆12穿过的通孔，通孔内设有使基块一14与对应导杆12或基块二15与对应导杆12形成滑动连接的直线轴承16。自然，基块一14与导杆12以及基块二15与导杆12之间采用滑块滑槽配合实现滑动连接也是可以的。
如图4所示，弹簧一13的设置方式如下：弹簧一13套设在对应导杆12上，且弹簧一13的两端分别抵压在对应的两直线轴承16上。
弹簧组件的结构以及设置方式如下：弹簧组件包括均套在对应导杆12上的两弹簧二17，对应的两基块二15均处于两弹簧二17之间，且弹簧二17的两端分别抵在滑座11和对应的直线轴承16上。自然，弹簧组件可以采用拉簧，拉簧处于导杆12一侧，且拉簧两端分别连接两基块二15。
如图2、图3和图4所示，基块一14上具有能抵压在爪极1a内侧壁上的凸头一14a，基块二15上具有凸头二15a，其中一对凸头二15a能抵压在爪极1a外侧壁上，另一对凸头二15a能抵压在轴体1b外侧壁上。
进一步说明，凸头一14a和凸头二15a上用于与转子1接触的接触面均呈圆弧形；基块一14所处的导杆12上设有用于限定两基块一14之间的最大距离的限位结构一，且在弹簧一13作用下，基块一14抵压在限位结构一上，以确保凸头一14a能够顺畅、稳定进入到爪极1a内，来提高工作稳定性。每对基块二15之间均设有用于限定两基块二15之间的最小距离的限位结构二，且在弹簧组件作用下，基块二15抵压在对应的限位结构二上，以确保凸头二15a顺畅移动至指定位置，来提高工作稳定性。
在本实施例中，如图4所示，限位结构一包括套设并固定在对应导杆12上的定位环一18，定位环一18有两个，两基块一14处于两定位环一18之间，且在弹簧一13作用下，两基块一14分别抵压在两定位环一18上，具有结构简单、安装方便的优点。限位结构二包括套设并固定在对应导杆12上的两定位环二19，两定位环二19处于一对基块二15之间，且在弹簧组件作用下，两基块二15分别抵压在两定位环二19上，具有结构简单、安装方便的优点。优选定位环一18通过螺纹与对应导杆12可拆卸连接；定位环二19通过螺纹与对应导杆12可拆卸连接。
如图3、图4和图5所示，其中一个基块一14上固定有用于测量两基块一14距离变化的位移传感器一20；在每对基块二15中，其中一个基块二15上固定有用于测量对应两基块二15距离变化的位移传感器二21。在本实施例中，未与位移传感器一20连接的基块一14上水平固定有延长杆一22，延长杆一22的轴向与滑座11的移动方向垂直，位移传感器一20的检测头和延长杆一22的一端均处于两基块一14之间且两者同轴布置。在一对基块二15中，未与位移传感器二21连接的基块二15上水平固定有延长杆二23，延长杆二23的轴向与滑座11的移动方向垂直，位移传感器二21的检测头和延长杆二23的一端均处于两基块二15之间且两者同轴布置。
其中，延长杆一22和延长杆二23的安装方式具体如下：基块一14上具有沿延长杆一22轴向贯穿的连接孔一，延长杆一22穿设在连接孔一内，且延长杆一22和基块一14紧密配合固连；基块二15上具有沿延长杆二23轴向贯穿的连接孔二，延长杆二23穿设在连接孔二内，且延长杆二23和基块二15紧密配合固连。
实际产品中，伸缩式位移传感器10、位移传感器一20和位移传感器二21均连接控制系统；每根导杆12下方还并列设有一根滑杆24，且滑杆24两端均与底座8固连。一对基块一14以及两对基块二15分别与对应的滑杆24滑动连接。其中一对基块二15设置在另一对基块二15和一对基块一14之间。
本测量装置使用过程如下：转子1夹于顶尖一3和顶尖二7之间，并可由电机4a驱动转动，在转子1旋转时，伸缩式位移传感器10测量轴体1b端部径向跳动，并通过控制系统输出轴体1b端部直径；输出轴端部直径测量完毕后，电机4a停止运行，伸缩式位移传感器10缩回，驱动件二6驱动滑座11移动并最终使爪极1a处于其中一对凸头二15a之间，两凸头一14a以及另一对凸头二15a处于爪极1a内侧，并在弹簧一13和弹簧组件作用下，两凸头一14a抵压在爪极1a内侧壁上，两对凸头二15a分别抵压在爪极1a外侧壁和轴体1b外侧壁上，位移传感器一20和位移传感器二21将测量的距离变化信号传输给控制系统，并最终输出爪极1a内外径和轴体1b直径，具有结构简单、使用方便的优点。
实施例二
本实施例二同实施例一的结构及原理基本相同，不一样的地方在于：限位结构一包括固定在对应导杆12上的环体一以及成型在导杆12上的凸环一，两基块一14处于凸环一和环体一之间，且在弹簧一13作用下，两基块一14分别抵压在环体一和凸环一上。
实施例三
本实施例三同实施例一的结构及原理基本相同，不一样的地方在于：限位结构一包括成型在对应导杆12上的两凸环二，两凸环二处于一对基块二15之间，且在弹簧组件作用下，两基块二15分别抵压在两凸环二上。
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。

Claims (10)

  1. 汽车发电机转子尺寸测量装置，转子（1）包括爪极（1a）和轴体（1b），测量装置包括基座（2）、设于基座（2）上的顶尖一（3）以及用于驱动顶尖一（3）转动的驱动源（4），其特征在于，基座（2）上还设有驱动件一（5）、驱动件二（6）、顶尖二（7）和底座（8），顶尖二（7）与顶尖一（3）同轴，且顶尖二（7）与底座（8）转动连接，驱动件一（5）用于驱动底座（8）沿顶尖二（7）轴线往复移动；顶尖一（3）和顶尖二（7）之间设有用于同时测量爪极（1a）内、外径以及轴体（1b）处于爪极（1a）处的直径的检验机构，且驱动件二（6）用于驱动上述检验机构沿顶尖二（7）轴线往复平移；顶尖一（3）和检验机构之间水平设有用于测量轴体（1b）端部径向跳动的伸缩式位移传感器（10），且伸缩式位移传感器（10）的轴线与顶尖二（7）的轴线垂直。
  2. 根据权利要求1所述的汽车发电机转子尺寸测量装置，其特征在于，上述的检验机构包括设于基座（2）上且与驱动件二（6）连接的滑座（11），在滑座（11）的滑动方向上水平布置有三根导杆（12），导杆（12）与滑座（11）固连，且导杆（12）轴向与滑座（11）的滑动方向垂直；其中一根导杆（12）上设有弹簧一（13）以及对称设置的一对基块一（14），基块一（14）沿轴向滑动设置在对应导杆（12）上，且弹簧一（13）使两基块一（14）具有相背移动趋势；另外两根导杆（12）上均设有弹簧单元以及对称设置的一对基块二（15），基块二（15）沿轴向滑动设置在对应导杆（12）上，且弹簧单元使对应的一对基块二（15）具有相向运动趋势；基块一（14）上具有能抵压在爪极（1a）内侧壁上的凸头一（14a），基块二（15）上具有凸头二（15a），其中一对凸头二（15a）能抵压在爪极（1a）外侧壁上，另一对凸头二（15a）能抵压在轴体（1b）外侧壁上；其中一个基块一（14）上固定有用于测量两基块一（14）距离变化的位移传感器一（20）；在每对基块二（15）中，其中一个基块二（15）上固定有用于测量对应两基块二（15）距离变化的位移传感器二（21）。
  3. 根据权利要求2所述的汽车发电机转子尺寸测量装置，其特征在于，基块一（14）所处的导杆（12）上设有用于限定两基块一（14）之间的最大距离的限位结构一，且在弹簧一（13）作用下，基块一（14）抵压在限位结构一上。
  4. 根据权利要求2所述的汽车发电机转子尺寸测量装置，其特征在于，每对基块二（15）之间均设有用于限定两基块二（15）之间的最小距离的限位结构二，且在弹簧组件作用下，基块二（15）抵压在对应的限位结构二上。
  5. 根据权利要求3所述的汽车发电机转子尺寸测量装置，其特征在于，所述的限位结构一包括套设并固定在对应导杆（12）上的定位环一（18），定位环一（18）有两个，两基块一（14）处于两定位环一（18）之间，且在弹簧一（13）作用下，两基块一（14）分别抵压在两定位环一（18）上。
  6. 根据权利要求1所述的汽车发电机转子尺寸测量装置，其特征在于，所述的限位结构二包括套设并固定在对应导杆（12）上的两定位环二（19），两定位环二（19）处于一对基块二（15）之间，且在弹簧组件作用下，两基块二（15）分别抵压在两定位环二（19）上。
  7. 根据权利要求2或3或4或5或6所述的汽车发电机转子尺寸测量装置，其特征在于，基块一（14）和基块二（15）上均设有供对应导杆（12）穿过的通孔，通孔内设有使基块一（14）与对应导杆（12）或基块二（15）与对应导杆（12）形成滑动连接的直线轴承（16）。
  8. 根据权利要求2所述的汽车发电机转子尺寸测量装置，其特征在于，未与位移传感器一（20）连接的基块一（14）上水平固定有延长杆一（22），延长杆一（22）的轴向与滑座（11）的移动方向垂直，位移传感器一（20）的检测头和延长杆一（22）的一端均处于两基块一（14）之间且两者同轴布置。
  9. 根据权利要求2所述的汽车发电机转子尺寸测量装置，其特征在于，在一对基块二（15）中，未与位移传感器二（21）连接的基块二（15）上水平固定有延长杆二（23），延长杆二（23）的轴向与滑座（11）的移动方向垂直，位移传感器二（21）的检测头和延长杆二（23）的一端均处于两基块二（15）之间且两者同轴布置。
  10. 根据权利要求2所述的汽车发电机转子尺寸测量装置，其特征在于，弹簧组件包括均套在对应导杆（12）上的两弹簧二（17），对应的两基块二（15）均处于两弹簧二（17）之间，且弹簧二（17）的两端分别抵在滑座（11）和对应的直线轴承（16）上。
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