CN208476216U - Jiggering drive module and its position detecting device - Google Patents

Abstract

The utility model discloses a kind of jiggering drive module and its position detecting device, the lower gripping block of drive module is slidably mounted on the back side of the first main body, to switch between clamped position and non-clamping position；The position detecting device includes the first mounting rack, the second mounting rack and sensor；First mounting rack includes detection plate, the detection hole and detection faces that there is the glide direction along lower gripping block to arrange；Second mounting rack includes mounting plate, is equipped with sensor；In first mounting rack and the second mounting rack, one and lower gripping block are affixed, another one and the first main body are affixed, and be configured to: detection plate is parallel to the plate face of the first main body, the probe of sensor is towards detection plate, and lower gripping block is in clamped position, pops one's head in corresponding with one of detection hole and detection faces position, lower gripping block is in non-clamping position, pops one's head in corresponding with the other of detection hole and detection faces position.The accuracy of the testing result of the position detecting device is high.

Description

Jiggering drive module and its position detecting device

Technical field

The utility model relates to jiggering tooling technical fields, more particularly to a kind of jiggering drive module and its position detection Device.

Background technique

Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the structural schematic diagram of jiggering tooling and generator amature in the prior art；Fig. 2 is The partial enlarged view at the position A in Fig. 1.

Jiggering tooling is mainly used for the rotation of driven generator rotor 10；Wherein, the drive module 20 of jiggering tooling includes master Oil cylinder 21 and driving main body 22, driving main body 22 include the first main body 221 and the second main body 222；Wherein the first main body 221 and master One end of oil cylinder 21 is hinged, and under the drive of master cylinder 21, the first main body 221 can be close to or far from generator amature 10.

When driven generator rotor 10 rotates, the first main body 221 is close to generator amature 10, the pin shaft hole site pair of the two It answers, by insertion pin shaft by the two relative positioning, driven generator rotor 10 rotates under the promotion of master cylinder 21.

Wherein, it is also equipped with clamping device and lower fixture in the first main body 221, is revolved in driven generator rotor 10 When turning, the lower gripping block of the upper clamping block of upper clamping device and lower fixture can generator amature 10 in the radial direction It is matched for clamping tightly generator amature 10, wherein lower gripping block being capable of moving radially to support or be detached from hair along generator amature 10 The inner edge of rotor 10.

With visual angle shown in Fig. 2, defining the first main body 221 is positive, i.e. visible one side in Fig. 2 towards the one side outside paper It is opposite for front, it is the back side towards the one side in paper.

Lower gripping block is set to the back side of the first main body 221, and position is equipped between the first main body 221 and lower gripping block and is examined Device is surveyed, for detecting the location status of lower gripping block, to determine that lower gripping block is in clamped position or non-clamping position, from And ensure reliability and safety that generator amature 10 rotates.

Please also refer to Fig. 3 and Fig. 4, Fig. 3 is the partial enlarged view at the position B in Fig. 2, is position in the prior art in Fig. 4 Detection device and lower gripping block, the axonometric schematic diagram of drive module.

As shown, existing position detecting device includes detection plate 31 ', mounting rack 32 ' and sensor 33 '.

Wherein, detection plate 31 ' is fixedly arranged on peripheral side (circumferential direction herein and the generator amature 10 of lower gripping block 223 It is circumferential consistent), and extend towards the positive direction of the first main body 221, have and protrudes from the positive extension of the first main body 221 311 ', which is equipped with detection hole 3111 '；Mounting rack 32 ' includes being fixed in the positive mounting plate of the first main body 221 321 ' and from the bending plate 322 ' that the outside of the mounting plate 321 ' is bent, the extension of the bending plate 322 ' and aforementioned detection plate 31 ' 311 ' general parallel orientation of portion and position correspondence；The bending plate 322 ' of mounting rack 32 ' is above inserted with sensor 33 ' admittedly, and sensor 33 ' is substantially Perpendicular to the extension 311 ' of detection plate 31 ', the extension 311 ' of probe 331 ' towards the detection plate 31 ' of sensor 33 ' is arranged, So that its probe 331 ' can detect extension 311 '.

Lower gripping block 223 is in non-clamping position in Fig. 4, at this point, the probe 331 ' of sensor 33 ' and detection hole 3111 ' Position is corresponding, and gripping block 223 is with respect to the first main body 221 being moved radially outward to support generator along generator amature 10 instantly When the inner edge of rotor 10, with orientation shown in Fig. 4, that is, when gripping block 223 being descended to move up with respect to the first main body 221, detection plate 31 ' move upwardly together with lower gripping block 223, after gripping block 223 is mobile in place instantly, the detection hole 3111 ' of detection plate 31 ' It is detached from the detecting area of the probe 331 ' of sensor 33 ', at this point, the extension 311 ' of detection plate 31 ' goes up not set detection hole 3111 ' Plate face with probe 331 ' positions it is corresponding, sensor 33 ' can receive the reflected signal of 311 ' plate face of extension, thus really It fixs gripping block 223 and has been in clamped position.

As above, because in practical application, lower gripping block 223 needs opposite first main body 221 along the diameter of generator amature 10 To movement, so, there are certain intervals in the axial direction of generator amature 10 for lower gripping block 223 and the first main body 221, so that under Along first main body 221 that is axially displaced from of generator amature 10, fixed detection plate 31 ' thereon also deviates gripping block 223 therewith First main body 221, in conjunction with Fig. 4, when the amplitude of the first main body 221 of the deviation of gripping block 223 instantly is larger, the extension of detection plate 31 ' Portion 311 ' can deviate the investigative range of the probe 331 ' of sensor 33 ', and 33 ' testing result of sensor is caused to malfunction.

Therefore, the position detecting device of existing lower gripping block how is improved, is ability to improve the accuracy of testing result The current technical issues that need to address of field technique personnel.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of position detecting device, for detecting jiggering driving mould The location status of the lower gripping block of block, the drive module include the first main body and lower gripping block, the lower gripping block sliding peace The back side loaded on first main body, to switch between clamped position and non-clamping position；The position detecting device includes First mounting rack, the second mounting rack and sensor；

First mounting rack includes detection plate, and there is the detection plate glide direction along the lower gripping block to arrange Detection hole and detection faces；Second mounting rack includes mounting plate, and the mounting plate is equipped with the sensor；

In first mounting rack and second mounting rack, one and the lower gripping block are affixed, another one with it is described First main body is affixed, and is configured to:

The detection plate is parallel to the plate face of first main body, the probe of the sensor towards the detection plate, and The lower gripping block is in clamped position, the probe, institute corresponding with one of the detection hole and the detection faces position It states lower gripping block and is in non-clamping position, the probe is corresponding with the other of the detection hole and the detection faces position.

The position detecting device of lower gripping block provided by the utility model, including the first mounting rack and the second mounting rack, two In person, one and lower gripping block are affixed, and another one and the first main body are affixed, wherein the first mounting rack, which has, is parallel to the first master The detection plate of body plate face, the detection plate have the detection hole and detection faces arranged along lower gripping block glide direction, the second mounting rack Sensor is installed, the probe of sensor is towards detection plate；Instantly when gripping block is slided, the probe of sensor is opposite with detection plate Sliding determines that lower gripping block is in clamped position or non-clamping position by the way that probe detection object is detection hole or detection faces. Compared with the background art, the detection plate of the position detecting device is parallel to the plate face of the first main body, namely is parallel to lower gripping block Plate face, even if leading to lower gripping block in this way, there are gaps in the axial direction of generator amature with the first main body because of lower gripping block Deviate the first main body, detection plate will not be detached from the search coverage of the probe of sensor, so that the probe of sensor can be always Detection plate is detected, and then can ensure the accuracy of testing result.

The position detecting device of lower gripping block as described above, first mounting rack and the lower gripping block are affixed, institute Stating the first mounting rack further includes and the detection plate is affixed or integrally formed fixed plate；The fixed plate and the lower gripping block Side it is affixed, the detection plate is located at the positive front of first main body；

Second mounting rack is fixedly arranged on the front of first main body, and the mounting plate is parallel to the detection plate and position In the front of the detection plate.

The position detecting device of lower gripping block as described above, the sensor vertical inserts in the mounting plate admittedly, described The probe of sensor is arranged across the mounting plate and close to the detection plate.

The position detecting device of lower gripping block as described above, second mounting rack further includes bottom plate and connecting plate, institute It states bottom plate and is connected with the mounting plate by the connecting plate, the bottom plate is fixed on the front of first main body.

The position detecting device of gripping block as described above lower, the bottom plate are removably fixed in described the by fastener One main body；The fixed plate is removably fixed in the lower gripping block also by fastener.

The position detecting device of gripping block as described above lower, the sensor and the detection plate concrete configuration at:

The lower gripping block is in clamped position, and the probe of the sensor is corresponding with the detection faces position；

The lower gripping block is in non-clamping position, and the probe of the sensor is corresponding with the detection hole position.

The position detecting device of lower gripping block as described above, the number of the sensor is two, two sensings Device is arranged along the glide direction of the lower gripping block.

The position detecting device of lower gripping block as described above, the detection hole is strip hole, and the lower gripping block is in In the state of clamped position, the probe of two sensors is corresponding with the detection faces position.

The position detecting device of lower gripping block as described above, has between the detection plate and the front of first main body There is the first pre-determined distance, there is the second pre-determined distance between the mounting plate and the detection plate.

The utility model further includes a kind of jiggering drive module, including master cylinder, hinged with one end of the master cylinder First main body and lower gripping block, the master cylinder can drive first main body close to or far from generator amature；It is described Lower gripping block is slidably mounted on the back side of first main body, and the glide direction of the lower gripping block is the generator amature It is radial；It further include the position detecting device for detecting the lower gripping block location status, the position detecting device is above-mentioned Described in any item position detecting devices.

Since above-mentioned position detecting device has above-mentioned technique effect, so including the jiggering driving of the position detecting device Module also has corresponding technical effect, is not repeated to discuss herein.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of jiggering tooling and generator amature in the prior art；

Fig. 2 is the partial enlarged view at the position A in Fig. 1；

Fig. 3 is the partial enlarged view at the position B in Fig. 2；

It is position detecting device in the prior art and lower gripping block, the axonometric schematic diagram of drive module in Fig. 4；

Fig. 5 provides jiggering drive module a kind of front view of specific embodiment by the utility model；

Fig. 6 is the partial enlarged view at the position C in Fig. 5；

Fig. 7 is the structural schematic diagram of one angle of jiggering drive module in Fig. 5；

Fig. 8 is the partial enlarged view at the position D in Fig. 7；

Fig. 9 is the structural schematic diagram of another angle of jiggering drive module in Fig. 5；

Figure 10 is the partial enlarged view at the position E in Fig. 9.

Wherein, the component names in Fig. 1 to Fig. 4 and the one-to-one relationship between appended drawing reference are as follows:

Generator amature 10；

Drive module 20, master cylinder 21 drive main body 22, the first main body 221, the second main body 222, lower gripping block 223；

Detection plate 31 ', extension 311 ', detection hole 3111 ', mounting rack 32 ', mounting plate 321 ', bending plate 322 ', sensing Device 33 ', probe 331 '；

Wherein, the one-to-one relationship between component names and appended drawing reference of the Fig. 5 into Fig. 6 is as follows:

Drive module 20, master cylinder 21, driving main body 22, the first main body 221, guide post 2211, the second main body 222, under Gripping block 223, pilot hole 2231；

First mounting rack 300, detection plate 310, fixed plate 320,

Second mounting rack 400, mounting plate 410, elongated hole 411, bottom plate 420, connecting plate 430；

Sensor 500, probe 510.

Specific embodiment

It should be pointed out that the relative position of the drive module 20 for the jiggering tooling being referred to herein and generator amature 10 Structural schematic diagram, it is consistent with the prior art, still can refer to Fig. 1 understanding.

It may also be noted that the relative position of drive module 20 and generator amature 10 determines after because of assembly, so this What " axial direction ", " radial direction " involved in text and " circumferential direction " etc. were defined on the basis of generator amature 10, in order to technical solution Description and understanding；In addition, the noun of locality being referred to herein above and below it is equal be located at components it is mutual in figure and between components It is defined on the basis of positional relationship；It should be appreciated that the use of the noun of locality should not limit protection scope.

In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and specific implementation The utility model is described in further detail for mode.

It is succinct with description for ease of understanding, illustrate have together below in conjunction with jiggering drive module and its position detecting device Beneficial effect portion is not repeated to discuss.

Fig. 5-10 is please referred to, Fig. 5 provides jiggering drive module a kind of front view of specific embodiment by the utility model； Fig. 6 is the partial enlarged view at the position C in Fig. 5；Fig. 7 is the structural schematic diagram of one angle of jiggering drive module in Fig. 5；Fig. 8 is The partial enlarged view at the position D in Fig. 7；Fig. 9 is the structural schematic diagram of another angle of jiggering drive module in Fig. 5；Figure 10 is figure The partial enlarged view at the position E in 9.

Jiggering is mainly used for the rotation of driven generator rotor；The drive module 20 of jiggering includes master cylinder 21 and driving main body 22, wherein driving main body 22 mainly includes the first main body 221 and the second main body 222, the first main body 221 and the one of master cylinder 21 End is hinged, and under the drive of master cylinder 21, the first main body 221 can be close to or far from generator amature.

When driven generator rotor rotates, the first main body 221 is under the drive of master cylinder 21 close to generator amature, the two Pin shaft hole alignment, the two fixed by insertion pin shaft, then driven generator rotor rotates under the promotion of master cylinder 21.

To ensure stability, upper clamping block and lower gripping block 223, driven generator rotor are installed in the first main body 221 When rotation, the two can clamp generator amature in radial directions；Wherein, lower gripping block 223 can be with respect to the first main body 221 Along moving radially for generator amature, to support or be detached from the inner edge of generator amature；That is, lower gripping block 223 can Switch between clamped position and non-clamping position, it is clear that clamped position refers to that lower gripping block 223 supports generator herein The position of rotor inner edge, non-clamping position refer to that lower gripping block 223 is detached from the position of generator amature inner edge.

It is additionally provided with position detecting device in the drive module 20 of the jiggering, the position detecting device is for detecting lower gripping block 223 location status, to know the location status of lower gripping block 223, it is ensured that the stability and reliability of jiggering work.

Shown in Fig. 5, wherein the direction Z1 and Z2 is the radial direction of generator amature, that is, the vertical side in paper To the radial direction for generator amature, it will be understood that the plate face of the first main body 221 i.e. in parallel with the radial direction, perpendicular to The direction of paper is the axial direction of generator amature.

For convenience of description, the back side of the one side for installing lower gripping block 223 for the first main body 221, i.e. Fig. 5 is defined herein In the first main body 221 towards the one side in paper be the back side, correspondingly, the first main body 221 is towards the one side outside paper in Fig. 5 Front.

With reference to Fig. 7, lower gripping block 223 is installed on the back side of the first main body 221, to ensure lower gripping block 223 opposite first The accuracy of the glide direction of main body 221 offers multiple pilot holes 2231, it is clear that pilot hole in lower gripping block 223 2231 extend along the radial direction of generator amature, and multiple guiding cooperated with pilot hole 2231 are provided in the first main body 221 Column 2211, guide post 2211 are inserted into the pilot hole 2231 of corresponding position.Pass through the cooperation of pilot hole 2231 and guide post 2211 It can ensure that the accuracy of lower 223 glide direction of gripping block.

In the embodiment, position detecting device includes the first mounting rack 300, the second mounting rack 400 and sensor 500.

Wherein, the first mounting rack 300 includes detection plate 310, which has along the sliding side of lower gripping block 223 The detection hole and detection faces arranged to (the namely radial direction of generator amature), it will be understood that the sliding of lower gripping block 223 Direction is the direction Z1-Z2 in Fig. 5；Second mounting rack 400 includes mounting plate 410, which is equipped with sensor 500。

In first mounting rack 300 and the second mounting rack 400, one and lower gripping block 223 are affixed, another one and the first main body 221 is affixed, and is configured to:

Detection plate 310 is parallel to the plate face of the first main body 221, the probe 510 of sensor 500 towards detection plate 310, with Just the detection hole or detection faces of detection plate 310 can be detected；And lower gripping block 223 is in clamped position, probe 510 and inspection One of gaging hole and detection faces position are corresponding, and lower gripping block 223 is in non-clamping position, probe 510 and detection hole and detection The other of face position is corresponding.

As above, the detection plate 310 of the position detecting device is parallel to the plate face of the first main body 221, that is to say, that detection plate 310 is perpendicular with the axial direction of generator amature, even if in this way, because lower gripping block 223 and the first main body 221 are in generator amature Axial direction on there are gap, cause lower gripping block 223 to deviate the first main body 221, then what is changed is also detection plate 310 and passes The probe 510 of sensor 500 relative position upward in generator rotor shaft can't make detection plate 310 be detached from the spy of probe 510 Survey region, it can be ensured that the validity and accuracy that sensor 500 detects.

In specific scheme, as shown, the first mounting rack 300 and lower gripping block 223 are affixed, the second mounting rack 400 and First main body 221 is affixed.

Specifically, the first mounting rack 300 further includes and detection plate 310 is affixed or integrally formed fixed plate 320, with reference to figure 10, fixed plate 320 and the side of lower gripping block 223 are affixed, and detection plate 310 is located at the positive front of the first main body 221；Second Mounting rack 400 is fixedly arranged on the front of the first main body 221, and mounting plate 410 is parallel to the setting of detection plate 310, and is located at detection plate 310 front.

Specifically, sensor 500 vertically inserts in mounting plate 410 admittedly, probe 510 passes through mounting plate 410 and close to detection Plate 310 is arranged, and ensures clear between 510 and detection plate 310 of popping one's head in this way, and probe 510 can detect detection plate 310.

Specifically, the second mounting rack 400 further includes bottom plate 420 and connecting plate 430, wherein bottom plate 420 passes through connecting plate 430 connect with mounting plate 410, and bottom plate 420 is fixed on the front of the first main body 221.

To be easy to make, the second mounting rack 400 can be structure as a whole, and plate forms bottom plate 420, connecting plate by bending 430 and mounting plate 410, certainly can also split settings be fixed together again by modes such as welding.

After being arranged in this way, along generator amature when radially sliding, first pacifies opposite first main body 221 of lower gripping block 223 It shelves 300 to slide with lower gripping block 223, detection plate 310 and the relative position of the probe 510 of sensor 500 become Change, so that it is determined that the location of lower gripping block 223 state.

Certainly, when actual setting, the first mounting rack 300 can also be affixed with the first main body 221, the second mounting rack 400 with Lower gripping block 223 is affixed, in this way, sensor 500 is with the sliding of lower gripping block 223, opposite first mounting rack 300 changes, together Sample can determine the location of lower gripping block 223 state according to the variation of 500 detected object of sensor.

In specific scheme, sensor 500 is configured that with detection plate 310

Lower gripping block 223 is in clamped position, the probe 510 of sensor 500 and the detection faces position pair of detection plate 310 It answers；

Lower gripping block 223 is in non-clamping position, the probe 510 of sensor 500 and the detection hole position of detection plate 310 It is corresponding.

After being arranged in this way, when gripping block 223 slides into clamped position by non-clamping position instantly, the probe of sensor 500 510 detected object becomes detection faces from detection hole, and sensor 500 can receive the signal that detection faces are reflected back, to obtain Know that lower gripping block 223 has been in clamped position.

Certainly, the location status of the detected object of above-mentioned probe 510 and lower gripping block 223 may be reversed setting.

In addition, the detected object of probe 510 is not limited to the form of detection hole and detection faces, it can also be other forms, as long as Different signals can be fed back to characterize lower gripping block 223 in different location.

In specific scheme, the first mounting rack 300 is removably fixed in lower gripping block 223, the second installation by fastener Frame 400 is removably fixed in the first main body 221 also by fastener, in this way convenient for according to practical service environment and peripheral space come The specific installation site for adjusting position detecting device, causes to interfere to avoid with other component.

In specific scheme, for the accuracy for further increasing detection, it is installed on the sensor 500 of the second mounting rack 400 Number specifically can be set to two, two sensors 500 are arranged along the glide direction of lower gripping block 223.

Specifically, the detection hole in detection plate 310 is the form of strip hole, it will be understood that the radial direction of lower gripping block 223 is sliding It moves as a process, before it does not slide into clamped position, the detected object of sensor 500 is always well format, that is, It says, the length of detection hole is related to the sliding stroke of lower gripping block 223, can specifically be arranged according to actual needs.

On the basis of two sensor 500 are arranged, gripping block 223 is in the state of clamped position instantly, two biographies The probe 510 of sensor 500 is corresponding with detection faces position, that is to say, that when the probe 510 of two sensors 500 receives When the signal fed back by detection faces, just determine that lower gripping block 223 is in clamped position.

For convenient for adjusting the distance between two sensors 500 as needed, mounting plate 410 is equipped with elongated hole 411, and two It is fixed that a sensor 500 both passes through the elongated hole 411.

In specific scheme, the first mounting rack 300 and the second mounting rack 400 are individually fixed in lower gripping block 223 and first After main body 221, there is the first pre-determined distance, mounting plate 410 and detection plate between detection plate 310 and the front of the first main body 221 There is the second pre-determined distance between 310, in case opposite first main body 221 of lower gripping block 223 is in the axial-shift of generator amature When, associated components cause to collide and damage.

It is appreciated that the setting of above-mentioned first pre-determined distance and the second pre-determined distance can be set according to actual needs.

Jiggering drive module provided by the utility model and its position detecting device are described in detail above. Specific case used herein is expounded the principles of the present invention and embodiment, and the explanation of above embodiments is only It is the method and its core concept for being used to help understand the utility model.It should be pointed out that for the ordinary skill of the art For personnel, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, Modifications and modifications also fall within the protection scope of the claims of the utility model.

Claims (10)

1. position detecting device, the location status of the lower gripping block for detecting jiggering drive module, the drive module 20 are wrapped The first main body (221) and lower gripping block (223) are included, the lower gripping block (223) is slidably mounted on first main body (221) The back side, to switch between clamped position and non-clamping position；It is characterized in that, the position detecting device includes the first installation Frame (300), the second mounting rack (400) and sensor (500)；

First mounting rack (300) includes detection plate (310), and the detection plate (310) has along the lower gripping block (223) Glide direction arrangement detection hole and detection faces；Second mounting rack (400) includes mounting plate (410), the mounting plate (410) sensor (500) are installed；

In first mounting rack (300) and second mounting rack (400), one and the lower gripping block (223) are affixed, separately One and first main body (221) are affixed, and are configured to:

The detection plate (310) is parallel to the plate face of first main body (221), probe (510) court of the sensor (500) To the detection plate (310), and the lower gripping block (223) be in clamped position, the probe (510) and the detection hole and One of detection faces position is corresponding, and the lower gripping block (223) is in non-clamping position, probe (510) and the institute It is corresponding to state the other of detection hole and the detection faces position.

2. position detecting device according to claim 1, which is characterized in that first mounting rack (300) and it is described under Gripping block (223) is affixed, and first mounting rack (300) further includes affixed or integrally formed solid with the detection plate (310) Fixed board (320)；The side of the fixed plate (320) and the lower gripping block (223) is affixed, and the detection plate (310) is located at institute State the positive front of the first main body (221)；

Second mounting rack (400) is fixedly arranged on the front of first main body (221), and the mounting plate (410) is parallel to institute It states detection plate (310) and is located at the front of the detection plate (310).

3. position detecting device according to claim 2, which is characterized in that the sensor (500) vertically inserts in institute admittedly It states mounting plate (410), the probe (510) of the sensor (500) passes through the mounting plate (410) and close to the detection Plate (310) setting.

4. position detecting device according to claim 2, which is characterized in that second mounting rack (400) further includes bottom Plate (420) and connecting plate (430), the bottom plate (420) and the mounting plate (410) are connected by the connecting plate (430), institute State the front that bottom plate (420) is fixed on first main body (221).

5. position detecting device according to claim 4, which is characterized in that the bottom plate (420) is removable by fastener It unloads and is fixed on first main body (221)；The fixed plate (320) is removably fixed in the lower gripping block also by fastener (223)。

6. according to the described in any item position detecting devices of claim 2-5, which is characterized in that the sensor (500) and institute State detection plate (310) concrete configuration at:

The lower gripping block (223) is in clamped position, the probe (510) of the sensor (500) and the detection faces Position is corresponding；

The lower gripping block (223) is in non-clamping position, the probe (510) of the sensor (500) and the detection Hole site is corresponding.

7. position detecting device according to claim 6, which is characterized in that the number of the sensor (500) is two, Two sensors (500) are arranged along the glide direction of the lower gripping block (223).

8. position detecting device according to claim 7, which is characterized in that the detection hole is strip hole, the lower folder Tight block (223) is in the state of clamped position, the probe (510) of two sensors (500) with the detection faces position Set correspondence.

9. according to the described in any item position detecting devices of claim 2-5, which is characterized in that the detection plate (310) and institute Stating has the first pre-determined distance between the front of the first main body (221), the mounting plate (410) and the detection plate (310) it Between have the second pre-determined distance.

10. jiggering drive module, hinged the first main body (221) in one end including master cylinder (21) and the master cylinder (21), And lower gripping block (223), the master cylinder (21) can drive first main body (221) to turn close to or far from generator Son；The lower gripping block (223) is slidably mounted on the back side of first main body (221), the sliding of the lower gripping block (223) Direction is the radial direction of the generator amature；It further include the position detection for detecting lower gripping block (223) location status Device, which is characterized in that the position detecting device is the described in any item position detecting devices of claim 1-9.