A differential housing comprehensive measuring machine

Abstract

The application discloses a differential shell comprehensive measuring machine, which comprises a measuring machine table, a differential shell, an upper measuring sliding table, a left inner ball diameter measuring sliding table, a right inner ball diameter measuring sliding table, a front pin hole diameter measuring sliding table, a rear pin hole diameter measuring sliding table and a bearing hole inner and outer diameter measuring mechanism, the measuring machine table is provided with the differential shell, the differential shell is provided with the upper measuring sliding table, the left side of the differential shell is provided with the left inner ball diameter measuring sliding table, the right side of the differential shell is provided with the right inner ball diameter measuring sliding table, the measuring machine table is provided with the front pin hole diameter measuring sliding table and the rear pin hole diameter measuring sliding table, the front pin hole diameter measuring sliding table is arranged in front of the differential shell, the rear pin hole diameter measuring sliding table is arranged behind the differential shell, and the upper measuring sliding table is internally provided with the bearing hole inner and outer diameter measuring mechanism. The above technical scheme is adopted to manufacture the automatic differential shell comprehensive measuring machine which is convenient to detect. The automatic differential shell comprehensive measuring machine is high in efficiency, high in accuracy and stability, automatically adjusts the position and is high in detection accuracy.

Description

TECHNICAL FIELD

[0001] The application relates to the field of detection devices, in particular to a differential shell comprehensive measuring machine. BACKGROUND

[0002] The differential is widely applied to automobiles, and a differential shell is an indispensable part of the differential. After the differential shell is processed, the internal spherical surface needs to be detected. Due to the structure of the differential shell, it is difficult to detect the diameter of the internal spherical surface of the differential shell, so that the differential shell produced needs to be fully detected to ensure that the parts are qualified before assembly.

[0003] Therefore, an automatic differential shell comprehensive measuring machine for convenient detection is needed. SUMMARY

[0004] In order to solve the above problems, the application provides an automatic differential shell comprehensive measuring machine for convenient detection.

[0005] The differential shell comprehensive measuring machine comprises a measuring machine table, a differential shell, an upper measuring sliding table, a left internal spherical diameter measuring sliding table, a right internal spherical diameter measuring sliding table, a front pin hole diameter measuring sliding table, a rear pin hole diameter measuring sliding table and a bearing hole internal and external diameter measuring mechanism, the measuring machine table is provided with the differential shell, the differential shell is provided with the upper measuring sliding table, the left side of the differential shell is provided with the left internal spherical diameter measuring sliding table, the right side of the differential shell is provided with the right internal spherical diameter measuring sliding table, the measuring machine table is provided with the front pin hole diameter measuring sliding table and the rear pin hole diameter measuring sliding table, the front pin hole diameter measuring sliding table is arranged in front of the differential shell, the rear pin hole diameter measuring sliding table is arranged behind the differential shell, and the upper measuring sliding table is provided with the bearing hole internal and external diameter measuring mechanism.

[0006] In the above scheme, the measuring machine table comprises a measuring table panel, a front protective cover, a side protective cover, a bottom plate, a driving motor, a rotating table, a reference seat, a reference ring, a protective ring, a lower guide sleeve and a supporting column, the measuring table panel is provided with the front protective cover and the side protective cover, the front protective cover and the side protective cover are provided with the bottom plate, the measuring table panel is provided with the driving motor, the measuring table panel is further provided with the rotating table, the rotating table is provided with the reference seat, the reference seat is provided with the reference ring, the reference ring is provided with the protective ring, the reference seat is provided with the differential shell, the differential shell is provided with the lower guide sleeve, and the reference seat is provided with the supporting column.

[0007] In the scheme, the upper measuring slide table comprises a slide table support, a first linear guide rail, an upper plate, an optical shaft, an upper mounting plate, a connecting sleeve, an upper guide sleeve, a bearing hole inner and outer diameter measuring mechanism, a proximity switch and a first buffer, the slide table support is provided with the first linear guide rail, the first linear guide rail is provided with the upper plate, the upper plate is provided with the optical shaft, the optical shaft is provided with the upper mounting plate, the upper mounting plate is connected with the connecting sleeve, the upper plate is further provided with the upper guide sleeve, the upper mounting plate is provided with the bearing hole inner and outer diameter measuring mechanism, the connecting sleeve is provided with the proximity switch, and the top of the slide table support is provided with the first buffer.

[0008] In the scheme, the bearing hole inner and outer diameter measuring mechanism comprises a measuring plate, a sensor connecting plate, a limiting rod, a spring, a limiting block, a first air cylinder, a connecting block, an elastic body, a slide table, a measuring head support, a measuring rod, a measuring arm, a measuring head and a driving rod, the measuring plate is provided with the sensor connecting plate, the sensor connecting plate is provided with the limiting rod, the limiting rod is connected with the spring, the spring is connected with the limiting block, the measuring plate is provided with the first air cylinder, the sensor connecting plate is connected with the connecting block, the connecting block is connected with the elastic body, the measuring plate is provided with the slide table, the slide table is provided with the measuring head support, the measuring head support is provided with the measuring rod, the measuring rod is provided with the measuring arm, the measuring arm is provided with the measuring head, and the measuring rod comprises a first outer diameter measuring rod, a second outer diameter measuring rod, a first inner diameter measuring rod and a second inner diameter measuring rod.

[0009] In the scheme, the left inner ball diameter measuring slide table and the right inner ball diameter measuring slide table are the same in structure and comprise an installation plate, a gapless contraction assembly, a support, a mounting block, a first sensor, a third inner diameter measuring rod, an inner diameter measuring head, a first pull rod, a first adjusting plate, a tee joint, a throttle valve, a second air cylinder, a first joint, a drag chain support, a drag chain, a first guide rail mounting plate, a second linear guide rail, a second buffer, a first exhaust throttle valve, a first connecting rod and a second joint, the installation plate is connected with the gapless contraction assembly, the gapless contraction assembly is connected with the support, the support is connected with the mounting block, the mounting block is connected with the first sensor, the first sensor is connected with the third inner diameter measuring rod, the third inner diameter measuring rod is provided with the inner diameter measuring head, the installation plate is connected with the first pull rod, the first pull rod is connected with the first adjusting plate, the first pull rod is provided with the tee joint, the tee joint is connected with the throttle valve, the installation plate is connected with the second air cylinder, the second air cylinder is provided with the first joint, the second air cylinder is connected with the drag chain support, the drag chain support is provided with the drag chain, the throttle valve is provided with the first guide rail mounting plate, the first guide rail mounting plate is provided with the second linear guide rail, the first adjusting plate is connected with the second buffer, the second buffer is connected with the first exhaust throttle valve, the second buffer is connected with the first connecting rod, and the first connecting rod is provided with the second joint.

[0010] In the scheme, the front pin hole diameter measuring slide and the rear pin hole diameter measuring slide are the same pin hole diameter measuring slide body, which comprises a second guide rail mounting plate, a third linear guide rail, a second connecting rod, a second pull rod, a short air cylinder, a second exhaust throttle valve, a second adjusting plate, a sensor mounting seat, a second sensor, a sensor measuring arm, a pin hole guide sleeve, a measuring probe, a pin and a third buffer, the second guide rail mounting plate is connected with the third linear guide rail, the second guide rail mounting plate is provided with the second connecting rod, the second connecting rod is connected with the second pull rod, the second pull rod is connected with the short air cylinder, the short air cylinder is provided with the second exhaust throttle valve, the second guide rail mounting plate is provided with the second adjusting plate, the second adjusting plate is connected with the sensor mounting seat, the sensor mounting seat is provided with the second sensor, the second sensor is connected with the sensor measuring arm, the front end of the sensor measuring arm is provided with the pin hole guide sleeve, the pin hole guide sleeve is provided with the measuring probe, and the second adjusting plate is also connected with the pin.

[0011] The automatic differential shell comprehensive measuring machine provided by the application has the advantages that the measuring mechanism is retracted before measurement, and when measuring, the measuring mechanism is deep into the differential shell to check the spherical diameter, the gapless design is adopted for the retracting mechanism, and the accuracy is not reduced after long time use, so that the detection efficiency and accuracy are greatly improved, the efficiency, accuracy and stability are high, the position is automatically adjusted, the detection is accurate, the flow operation is fast, the manpower is greatly saved, the automation degree is improved, and the efficiency and accuracy in the production process are improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0013] Figure 1 Structure diagram of the present application Figure One ;

[0014] Figure 2 Structure diagram of the present application Figure Two ;

[0015] Figure 3 Structure diagram of the present application Figure Three ;

[0016] Figure 4 Structure diagram of the present application Figure Four ;

[0017] Figure 5 Structure diagram of the measuring machine of the present application Figure Five ;

[0018] Figure 6 Structure diagram of the measuring machine of the present application Figure One ;

[0019] Figure 7 Structure diagram of the measuring machine of the present application Figure One ;

[0020] Figure 8 Structure diagram of the measuring machine of the present application Figure Two ;

[0021] Figure 9 Structure diagram of the measuring machine of the present application Figure One ;

[0022] Figure 10 Structure diagram of the measuring machine of the present application Figure Two ;

[0023] Figure 11 Structure diagram of the measuring machine of the present application Figure Three ;

[0024] Figure 12 Structure diagram of the measuring machine of the present application Figure Four ;

[0025] Figure 13 Structure diagram of the measuring machine of the present application Figure One ;

[0026] Figure 14 Structure diagram of the measuring machine of the present application Figure Two ;

[0027] Figure 15 Structure diagram of the measuring machine of the present application Figure One .

[0028] Figure: 1, measuring machine 101, measuring table panel 102, front shield 103, side shield 104, bottom plate 105, drive motor 106, rotating table 107, reference seat 108, reference ring 109, protective ring 110, lower guide sleeve 111, support column

[0029] 2, differential housing

[0030] 3, upper measuring slide 301, slide support 302, first linear guide rail 303, upper plate 304, optical axis 305, upper mounting plate 306, connecting sleeve 307, upper guide sleeve 308, proximity switch 309, first buffer

[0031] 4. Left inner ball diameter measuring slide 401, mounting plate 402, gapless contraction assembly 403, bracket 404, mounting block 405, first sensor 406, third inner diameter measuring rod 407, inner diameter measuring head 408, first pull rod 409, first adjusting plate 410, tee joint 411, throttle valve 412, second air cylinder 413, first joint 414, drag chain bracket 415, drag chain 416, first guide rail mounting plate 417, second linear guide rail 418, second buffer 419, first exhaust throttle valve 420, first connecting rod 421, second joint

[0032] 5. Right inner ball diameter measuring slide

[0033] 6. Front pin hole diameter measuring slide 601, second guide rail mounting plate 602, third linear guide rail 603, second connecting rod 604, second pull rod 605, short air cylinder 606, second exhaust throttle valve 607, second adjusting plate 608, sensor mounting seat 609, second sensor 610, sensor measuring arm 611, pin hole guide sleeve 612, measuring head 613, pin 614, third buffer

[0034] 7. Rear pin hole diameter measuring slide

[0035] 8. Bearing hole inner and outer diameter measuring mechanism 801, measuring plate 802, sensor connecting plate 803, limiting rod 804, spring 805, limiting block 806, first air cylinder 807, connecting block 808, elastomer 809, slide 810, measuring head bracket 8111, first outer diameter measuring rod 8112, second outer diameter measuring rod 8113, first inner diameter measuring rod 8114, second inner diameter measuring rod 812, measuring arm 813, measuring head 814, driving rod DETAILED DESCRIPTION

[0036] The specific embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are only used to more clearly illustrate the technical solutions of the present application, and cannot be used to limit the protection scope of the present application.

[0037] As Figures 1-5As shown, the present application is a differential shell comprehensive measuring machine, which comprises a measuring machine table 1, a differential housing 2, an upper measuring slide table 3, a left inner ball diameter measuring slide table 4, a right inner ball diameter measuring slide table 5, a front pin hole diameter measuring slide table 6, a rear pin hole diameter measuring slide table 7 and a bearing hole inner and outer diameter measuring mechanism 8, the measuring machine table 1 is provided with the differential housing 2, the differential housing 2 is provided with the upper measuring slide table 3, the left side of the differential housing 2 is provided with the left inner ball diameter measuring slide table 4, the right side of the differential housing 2 is provided with the right inner ball diameter measuring slide table 5, the measuring machine table 1 is provided with the front pin hole diameter measuring slide table 6 and the rear pin hole diameter measuring slide table 7, the front pin hole diameter measuring slide table 6 is arranged in front of the differential housing 2, the rear pin hole diameter measuring slide table 7 is arranged behind the differential housing 2, and the upper measuring slide table 3 is provided with the bearing hole inner and outer diameter measuring mechanism 8.

[0038] As shown, Figure 6 The measuring machine table 1 comprises a measuring table panel 101, a front cover 102, a side cover 103, a bottom plate 104, a driving motor 105, a rotating table 106, a reference seat 107, a reference ring 108, a protective ring 109, a lower guide sleeve 110 and a support column 111, the measuring table panel 101 is provided with the front cover 102 and the side cover 103, the front cover 102 and the side cover 103 are provided with the bottom plate 104, the measuring table panel 101 is provided with the driving motor 105, the measuring table panel 101 is further provided with the rotating table 106, the rotating table 106 is provided with the reference seat 107, the reference seat 107 is provided with the reference ring 108, the reference ring 108 is provided with the protective ring 109, the reference seat 107 is provided with the differential housing 2, the differential housing 2 is provided with the lower guide sleeve 110, and the reference seat 107 is provided with the support column 111.

[0039] As shown, Figures 7-8 The upper measuring slide table 3 comprises a slide table support 301, a first linear guide rail 302, an upper plate 303, an optical axis 304, an upper mounting plate 305, a connecting sleeve 306, an upper guide sleeve 307, the bearing hole inner and outer diameter measuring mechanism 8, a proximity switch 308 and a first buffer 309, the slide table support 301 is provided with the first linear guide rail 302, the first linear guide rail 302 is provided with the upper plate 303, the upper plate 303 is provided with the optical axis 304, the optical axis 304 is provided with the upper mounting plate 305, the upper mounting plate 305 is connected with the connecting sleeve 306, the upper plate 303 is further provided with the upper guide sleeve 307, the upper mounting plate 305 is provided with the bearing hole inner and outer diameter measuring mechanism 8, the connecting sleeve 306 is provided with the proximity switch 308, and the top of the slide table support 301 is provided with the first buffer 309.

[0040] As shown, Figures 9-12As shown, the bearing hole inner and outer diameter measuring mechanism 8 comprises a measuring plate 801, a sensor connecting plate 802, a limiting rod 803, a spring 804, a limiting block 805, a first air cylinder 806, a connecting block 807, an elastic body 808, a sliding table 809, a measuring head support 810, a measuring rod, a measuring arm 812, a measuring head 813 and a driving rod 814. The measuring plate 801 is provided with the sensor connecting plate 802, the sensor connecting plate 802 is provided with the limiting rod 803, the limiting rod 803 is connected with the spring 804, the spring 804 is connected with the limiting block 805, the measuring plate 801 is provided with the first air cylinder 806, the sensor connecting plate 802 is connected with the connecting block 807, the connecting block 807 is connected with the elastic body 808, the measuring plate 801 is provided with the sliding table 809, the sliding table 809 is provided with the measuring head support 810, the measuring head support 810 is provided with the measuring rod, the measuring rod is provided with the measuring arm 812, the measuring arm 812 is provided with the measuring head 813, and the measuring plate 801 is further provided with the driving rod 814.

[0041] As Figures 13-14As shown, the left inner ball diameter measuring slide 4 and the right inner ball diameter measuring slide 5 are the same inner ball diameter measuring slide body, which comprises a mounting plate 401, a gapless contraction assembly 402, a bracket 403, a mounting block 404, a first sensor 405, a third inner diameter measuring rod 406, an inner diameter measuring head 407, a first pull rod 408, a first adjusting plate 409, a tee joint 410, a throttle valve 411, a second air cylinder 412, a first joint 413, a drag chain bracket 414, a drag chain 415, a first guide rail mounting plate 416, a second linear guide rail 417, a second buffer 418, a first exhaust throttle valve 419, a first connecting rod 420 and a second joint 421. The mounting plate 401 is connected with the gapless contraction assembly 402, the gapless contraction assembly 402 is connected with the bracket 403, the bracket 403 is connected with the mounting block 404, the mounting block 404 is connected with the first sensor 405, the first sensor 405 is connected with the third inner diameter measuring rod 406, the third inner diameter measuring rod 406 is provided with the inner diameter measuring head 407, the mounting plate 401 is connected with the first pull rod 408, the first pull rod 408 is connected with the first adjusting plate 409, the first pull rod 408 is provided with the tee joint 410, the tee joint 410 is connected with the throttle valve 411, the mounting plate 401 is connected with the second air cylinder 412, the second air cylinder 412 is provided with the first joint 413, the second air cylinder 412 is connected with the drag chain bracket 414, the drag chain bracket 414 is provided with the drag chain 415, the throttle valve 411 is provided with the first guide rail mounting plate 416, the first guide rail mounting plate 416 is provided with the second linear guide rail 417, the first adjusting plate 409 is connected with the second buffer 418, the second buffer 418 is connected with the first exhaust throttle valve 419, the second buffer 418 is connected with the first connecting rod 420, and the first connecting rod 420 is provided with the second joint 421.

[0042] As Figure 15As shown, the front pin hole diameter measuring slide 6 and the rear pin hole diameter measuring slide 7 are the same pin hole diameter measuring slide bodies, which comprise a second guide rail mounting plate 601, a third linear guide rail 602, a second connecting rod 603, a second pull rod 604, a short air cylinder 605, a second exhaust throttle valve 606, a second adjusting plate 607, a sensor mounting seat 608, a second sensor 609, a sensor measuring arm 610, a pin hole guide sleeve 611, a measuring probe 612, a pin 613 and a third buffer 614. The second guide rail mounting plate 601 is connected with the third linear guide rail 602. The second guide rail mounting plate 601 is provided with the second connecting rod 603. The second connecting rod 603 is connected with the second pull rod 604. The second pull rod 604 is connected with the short air cylinder 605. The short air cylinder 605 is provided with the second exhaust throttle valve 606. The second guide rail mounting plate 601 is provided with the second adjusting plate 607. The second adjusting plate 607 is connected with the sensor mounting seat 608. The sensor mounting seat 608 is provided with the second sensor 609. The second sensor 609 is connected with the sensor measuring arm 610. The front end of the sensor measuring arm 610 is provided with the pin hole guide sleeve 611. The pin hole guide sleeve 611 is provided with the measuring probe 612. The second adjusting plate 607 is further connected with the pin 613. The third buffer 614 is arranged between the pin 613 and the second adjusting plate 607.

[0043] In use, the differential housing 2 to be detected is placed on the reference ring 108. The front pin hole diameter measuring slide 6 and the rear pin hole diameter measuring slide 7 extend into the differential housing 2 for positioning and measurement by the measuring probe 612. The measuring probes of the bearing hole inner and outer diameter measuring mechanism 8 on the upper measuring slide 3 are divided into two groups. The first outer diameter measuring rod 8111 and the second outer diameter measuring rod 8112 are provided with second measuring probes. The first inner diameter measuring rod 8113 and the second inner diameter measuring rod 8114 are provided with first measuring probes. The first measuring probes are first retracted, then extended into the differential housing and abut against the upper part of the differential housing for measurement. The second measuring probes measure the outer part of the differential housing. The left inner ball diameter measuring slide 4 and the right inner ball diameter measuring slide 5 further extend into the differential housing 2. The third inner diameter measuring rod 406 is opened to abut the inner diameter measuring probe 407 against the inner part of the ball of the differential housing 2 to start measurement. The above-mentioned measuring mechanisms can be measured at the same time.

[0044] The above merely describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A differential housing comprehensive measuring machine, characterized in that, The application relates to a differential housing measuring machine, which comprises a measuring machine table, a differential housing, an upper measuring slide table, a left inner ball diameter measuring slide table, a right inner ball diameter measuring slide table, a front pin hole diameter measuring slide table, a rear pin hole diameter measuring slide table and a bearing hole inner and outer diameter measuring mechanism, wherein the measuring machine table is provided with the differential housing, the differential housing is provided with the upper measuring slide table, the left side of the differential housing is provided with the left inner ball diameter measuring slide table, the right side of the differential housing is provided with the right inner ball diameter measuring slide table, the measuring machine table is provided with the front pin hole diameter measuring slide table and the rear pin hole diameter measuring slide table, the front pin hole diameter measuring slide table is arranged in front of the differential housing, the rear pin hole diameter measuring slide table is arranged behind the differential housing, and the upper measuring slide table is internally provided with the bearing hole inner and outer diameter measuring mechanism. The left inner ball diameter measuring slide table and the right inner ball diameter measuring slide table are the same in structure and comprise an installation plate, a gapless contraction assembly, a support, a mounting block, a first sensor, a third inner diameter measuring rod, an inner diameter measuring head, a first pull rod, a first adjusting plate, a tee joint, a throttle valve, a second air cylinder, a first joint, a drag chain support, a drag chain, a first guide rail installation plate, a second linear guide rail, a second buffer, a first exhaust throttle valve, a first connecting rod and a second joint, the installation plate is connected with the gapless contraction assembly, the gapless contraction assembly is connected with the support, the support is connected with the mounting block, the mounting block is connected with the first sensor, the first sensor is connected with the third inner diameter measuring rod, the third inner diameter measuring rod is provided with the inner diameter measuring head, the installation plate is connected with the first pull rod, the first pull rod is connected with the first adjusting plate, the first pull rod is provided with the tee joint, the tee joint is connected with the throttle valve, the installation plate is connected with the second air cylinder, the second air cylinder is provided with the first joint, the second air cylinder is connected with the drag chain support, the drag chain support is provided with the drag chain, the throttle valve is provided with the first guide rail installation plate, the first guide rail installation plate is provided with the second linear guide rail, the first adjusting plate is connected with the second buffer, the second buffer is connected with the first exhaust throttle valve, the second buffer is connected with the first connecting rod, and the first connecting rod is provided with the second joint. The front pin hole diameter measuring slide and the rear pin hole diameter measuring slide are the same pin hole diameter measuring slide body, which comprises a second guide rail mounting plate, a third linear guide rail, a second connecting rod, a second pull rod, a short air cylinder, a second exhaust throttle valve, a second adjusting plate, a sensor mounting seat, a second sensor, a sensor measuring arm, a pin hole guide sleeve, a measuring probe, a pin and a third buffer, the second guide rail mounting plate is connected with the third linear guide rail, the second guide rail mounting plate is provided with the second connecting rod below, the second connecting rod is connected with the second pull rod, the second pull rod is connected with the short air cylinder, the short air cylinder is provided with the second exhaust throttle valve, the second guide rail mounting plate is provided with the second adjusting plate, the second adjusting plate is connected with the sensor mounting seat, the sensor mounting seat is provided with the second sensor, the second sensor is connected with the sensor measuring arm, the front end of the sensor measuring arm is provided with the pin hole guide sleeve, the pin hole guide sleeve is provided with the measuring probe, the second adjusting plate is also connected with the pin, and the third buffer is arranged between the pin and the second adjusting plate.

2. A differential housing integrated measuring machine according to claim 1, wherein, The measuring machine comprises a measuring table panel, a front cover, a side cover, a bottom plate, a driving motor, a rotating table, a reference seat, a reference ring, a protective ring, a lower guide sleeve and a supporting column, the measuring table panel is provided with the front cover and the side cover below, the front cover and the side cover are provided with the bottom plate below, the measuring table panel is provided with the driving motor, the measuring table panel is also provided with the rotating table, the rotating table is provided with the reference seat, the reference seat is provided with the reference ring, the reference ring is provided with the protective ring, the reference seat is provided with the differential housing, the differential housing is provided with the lower guide sleeve, and the reference seat is provided with the supporting column.

3. A differential housing integrated measuring machine according to claim 1, wherein, The upper measuring slide comprises a slide support, a first linear guide rail, an upper plate, an optical shaft, an upper mounting plate, a connecting sleeve, an upper guide sleeve, a bearing hole inner and outer diameter measuring mechanism, a proximity switch and a first buffer, the slide support is provided with the first linear guide rail, the first linear guide rail is provided with the upper plate, the upper plate is provided with the optical shaft, the optical shaft is provided with the upper mounting plate, the upper mounting plate is connected with the connecting sleeve, the upper plate is also provided with the upper guide sleeve, the upper mounting plate is provided with the bearing hole inner and outer diameter measuring mechanism below, the connecting sleeve is provided with the proximity switch, and the slide support is provided with the first buffer at the top.

4. A differential housing integrated measuring machine according to claim 3, wherein, The bearing hole inner and outer diameter measuring mechanism includes a measuring plate, a sensor connecting plate, a limiting rod, a spring, a limiting block, a first cylinder, a connecting block, an elastic body, a sliding table, a measuring head support, a measuring rod, a measuring arm, a measuring head and a driving rod, the measuring plate is provided with the sensor connecting plate, the sensor connecting plate is provided with the limiting rod, the limiting rod is connected with the spring, the spring is connected with the limiting block, the measuring plate is provided with the first cylinder, the sensor connecting plate is connected with the connecting block, the connecting block is connected with the elastic body, the measuring plate is provided with the sliding table, the sliding table is provided with the measuring head support, the measuring head support is provided with the measuring rod, the measuring rod is provided with the measuring arm, the measuring arm is provided with the measuring head, the measuring rod includes a first outer diameter measuring rod, a second outer diameter measuring rod, a first inner diameter measuring rod and a second inner diameter measuring rod, and the measuring plate is further provided with the driving rod.

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