CN107990828B - Quick measuring device for dimension and form and position tolerance of driving axle housing parts - Google Patents
Quick measuring device for dimension and form and position tolerance of driving axle housing parts Download PDFInfo
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- CN107990828B CN107990828B CN201711432459.9A CN201711432459A CN107990828B CN 107990828 B CN107990828 B CN 107990828B CN 201711432459 A CN201711432459 A CN 201711432459A CN 107990828 B CN107990828 B CN 107990828B
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- 238000005259 measurement Methods 0.000 claims abstract description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011326 mechanical measurement Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
A device for rapidly measuring the dimension and form and position tolerance of driving axle housing parts comprises: base, elevating gear, two supports III, horizontal alignment device, measuring device I and two measuring device II. During measurement, the lifting device is lifted, the tested driving axle housing is prevented from being lifted to the lifting device at the moment, the lifting device is lowered, the shaft shoulders on two sides of the driving axle housing are arranged in the V-shaped grooves on the same side, and at the moment, the rotation of the driving axle housing in the vertical direction is limited. And then the horizontal alignment device drives the middle disc surface of the driving axle housing to be parallel to the horizontal plane, so that all the 6 degrees of freedom constraint of the driving axle housing are realized. The horizontal turning device drives the measuring device I to rotate for one circle, so that the measuring device I can measure the dimensional tolerance and the form tolerance of the disc surface part of the driving axle housing. And the longitudinal rotary device drives the measuring device II to measure the dimensional tolerance and form and position tolerance of the shaft shoulder. The measurement accuracy is high. The intensity of manual measurement is reduced, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of mechanical measurement, in particular to a device for rapidly measuring the size and form and position tolerance of driving axle housing parts.
Background
At present, many enterprises measure axle housing parts by adopting traditional measuring methods, such as measuring instruments of a dial indicator, a micrometer and the like, and the measuring instruments can meet the measuring requirements of axle parts with lower precision. However, with the progress of technology, the processing precision of the workpiece is continuously increased, and the current measuring device and the detection method are difficult to meet the demands of enterprises, so that better measuring devices and detection methods are needed.
Disclosure of Invention
The invention provides the device for rapidly measuring the size and form and position tolerance of the driving axle housing parts, which has the advantages of low detection labor intensity, high measurement precision and high measurement efficiency.
The technical scheme adopted for overcoming the technical problems is as follows:
a device for rapidly measuring the dimension and form and position tolerance of driving axle housing parts comprises:
the base is horizontally provided with a sliding rail along the length direction;
the lifting device is arranged on the base and is used for pushing the driving axle housing to move up and down;
the lower ends of the two brackets III are respectively and slidably arranged on the sliding rail through a sliding block I, V-shaped grooves are formed in the upper ends of the brackets III, when the lifting device ascends to the uppermost end, the shaft shoulders at the two ends of the driving axle housing are respectively positioned right above the V-shaped grooves at the same side, when the lifting device descends to the lowermost end, the shaft shoulders at the two ends of the driving axle housing are arranged in the V-shaped grooves, and the central axis of the driving axle housing is parallel to the horizontal plane;
the horizontal alignment device is arranged on the base, and when the shoulders at the two ends of the driving axle housing are arranged in the V-shaped grooves, the horizontal alignment device enables the middle disk surface of the driving axle housing to be parallel to the horizontal surface;
the measuring device I is arranged on the base through a horizontal turning device, and the horizontal turning device drives the measuring device I to select a circle of dimensional tolerance, form tolerance and position tolerance of the middle disc surface of the driving axle housing along the horizontal direction for measuring
The two measuring devices II are arranged on the base through the longitudinal rotating device, and the longitudinal rotating device drives the measuring devices II to rotate for one circle to measure the dimensional tolerance and the form tolerance of the shaft shoulders of the driving axle housing at the same side.
The lifting device comprises two brackets II arranged on the base, a hydraulic cylinder II vertically arranged in the brackets II, a supporting plate horizontally arranged at the head end of a piston rod of the hydraulic cylinder II and a plurality of guide rods II vertically and slidably inserted in the brackets II, wherein the head ends of the guide rods II are connected with the supporting plate.
The horizontal alignment device comprises a support I vertically arranged on a base, a hydraulic cylinder I vertically arranged in the support I, a horizontal support plate horizontally arranged at the head end of a piston rod of the hydraulic cylinder I, and pins fixed at two ends of the horizontal support plate through nuts II respectively and vertically screwed, wherein the tops of the two pins are located at the same horizontal height, a guide rod I is vertically inserted in the support I in a sliding manner, and the head end of the guide rod I is connected with the horizontal support plate.
The horizontal slewing device comprises a slewing pedestal arranged on a base, a main shaft vertically screwed in the slewing pedestal through a bearing, a driven shaft vertically screwed in the slewing pedestal through the bearing, a turntable horizontally arranged and fixed at the upper end of the driven shaft, and a servo motor II arranged on the slewing pedestal and connected with the main shaft in a transmission manner, wherein a gear I is arranged on the main shaft, a gear II meshed with the gear I is arranged on the driven shaft, and the number of teeth of the gear II is larger than that of the gear I.
The longitudinal rotating device comprises a support IV, a rotating shaft horizontally arranged on the support IV, a servo motor I arranged on the support IV and in transmission connection with the rotating shaft, a rotating frame arranged at the head end of the rotating shaft, and two supporting rods horizontally arranged at two ends of the rotating frame, wherein the supporting rods are fixed with the rotating frame through screws, the screws are coaxial with the supporting rods, slide ways are arranged at the head ends of the supporting rods along the front-rear direction, sliding seats are slidably arranged in the slide ways, two measuring devices II are respectively arranged on the corresponding sliding seats at the same side, and the shaft shoulder of a driving axle housing is positioned between the two measuring devices II.
In order to prevent the driving axle housing from falling, the top end of the supporting plate is provided with a groove.
The measuring device I is an industrial camera II arranged on the turntable.
In order to save space, the driven shaft is a hollow shaft, the diameter of an inner hole of the driven shaft is larger than the outer diameter of the horizontal alignment device, and the horizontal alignment device is inserted into the inner hole of the driven shaft.
The lower end of the support IV is slidably mounted on the sliding rail through the sliding block II, the base is rotatably provided with a screw rod along the length direction, the support IV is provided with the nut I, and the screw rod is screwed in the nut I.
The two measuring devices II are two laser sensors or two industrial cameras I or one is a laser sensor and the other is an industrial camera I.
The beneficial effects of the invention are as follows: during measurement, the lifting device is lifted, the tested driving axle housing is prevented from being lifted to the lifting device at the moment, the lifting device is lowered, the shaft shoulders on two sides of the driving axle housing are arranged in the V-shaped grooves on the same side, and at the moment, the rotation of the driving axle housing in the vertical direction, the vertical direction and the vertical direction are limited, so that the limit of five degrees of freedom is realized. And then the horizontal alignment device drives the middle disc surface of the driving axle housing to be parallel to the horizontal plane, so that all the 6 degrees of freedom constraint of the driving axle housing are realized. The horizontal turning device drives the measuring device I to rotate for one circle, so that the measuring device I can measure the dimensional tolerance and the form tolerance of the disc surface part of the driving axle housing. And the longitudinal turning device drives the measuring device II to rotate around the shaft shoulder of the driving axle housing for one circle so as to realize the measurement of the dimensional tolerance and the form tolerance of the shaft shoulder. The measurement accuracy is high. The intensity of manual measurement is reduced, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a cross-sectional front view of the shoulder detecting rack of the present invention;
FIG. 3 is a schematic top view of the shoulder test frame of the present invention;
FIG. 4 is a schematic view of the horizontal alignment device of the present invention;
FIG. 5 is a schematic view of a supporting seat according to the present invention;
FIG. 6 is a schematic view of a lifting device according to the present invention;
FIG. 7 is a schematic cross-sectional view of a turret block according to the present invention;
in the figure, 1, a base 2, a rotating base 3, a bracket I4, a bracket II 5, a bracket III 6, a sliding rail 7, a sliding block I8, a driving axle housing 9, a bracket IV 10, a sliding block II 11, a nut I12, a screw rod 13, a rotary shaft 14, a servo motor I15, a rotating frame 16, a supporting rod 17, a sliding seat 18, a sliding seat 19, a laser sensor 20, an industrial camera I21, a hydraulic cylinder I22, a guide rod I23, a transverse support plate 24, a pin 25, a nut II 26, a V-shaped groove 27, a hydraulic cylinder II 28, a guide rod II 29, a supporting plate 30, a groove 31, a servo motor II 32, a main shaft 33, a gear I34, a driven shaft 35, a gear II 36, a rotary disc 37, an industrial camera II 38 and a screw.
Detailed Description
The invention is further described with reference to fig. 1 to 7.
As shown in fig. 1 and fig. 5, a device for rapidly measuring the dimensional and form tolerance of driving axle housing parts comprises: a base 1 horizontally provided with a slide rail 6 along a length direction; the lifting device is arranged on the base 1 and is used for pushing the driving axle housing 8 to move up and down; the lower ends of the two brackets III 5 are respectively and slidably arranged on the sliding rail 6 through the sliding blocks I7, V-shaped grooves 26 are formed in the upper ends of the brackets III 5, when the lifting device ascends to the uppermost end, the shaft shoulders at the two ends of the driving axle housing 8 are respectively positioned right above the V-shaped grooves 26 at the same side, when the lifting device descends to the lowermost end, the shaft shoulders at the two ends of the driving axle housing 8 are arranged in the V-shaped grooves 26, and the central axis of the driving axle housing 8 is parallel to the horizontal plane; the horizontal alignment device is arranged on the base 1, and when the shaft shoulders at the two ends of the driving axle housing 8 are arranged in the V-shaped grooves 26, the horizontal alignment device enables the middle disc surface of the driving axle housing 8 to be parallel to the horizontal plane; the measuring device I is arranged on the base 1 through a horizontal turning device, the horizontal turning device drives the measuring device I to select a circle to measure the dimensional tolerance and the form tolerance of the middle disc surface of the driving axle housing 8 along the horizontal direction, and the two measuring devices II are arranged on the base 1 through a longitudinal turning device, and the longitudinal turning device drives the measuring device II to rotate a circle to measure the dimensional tolerance and the form tolerance of the shaft shoulder of the driving axle housing 8 at the same side. During measurement, the lifting device is lifted, the tested driving axle housing 8 is prevented from being lifted on the lifting device, the lifting device is lowered, the shaft shoulders on two sides of the driving axle housing 8 are arranged in the V-shaped grooves 26 on the same side, and at the moment, the rotation of the driving axle housing 8 in the vertical direction, the vertical direction and the vertical direction are limited, so that the limit of five degrees of freedom is realized. And then the horizontal alignment device drives the middle disc surface of the driving axle housing 8 to be parallel to the horizontal plane, so that all constraint of 8 6 degrees of freedom of the driving axle housing is realized. The horizontal turning device drives the measuring device I to rotate for one circle, so that the measuring device I can measure the dimensional tolerance and the form tolerance of the disc surface part of the driving axle housing 8. The longitudinal turning device drives the measuring device II to rotate around the shaft shoulder of the driving axle housing 8 for one circle, so that the dimensional tolerance and the form tolerance of the shaft shoulder are measured. The measurement accuracy is high. The intensity of manual measurement is reduced, and the working efficiency is improved.
As shown in fig. 6, the lifting device may have a structure including two brackets ii 4 mounted on the base 1, a hydraulic cylinder ii 27 vertically mounted in the brackets ii 4, a supporting plate 29 horizontally mounted on the head end of a piston rod of the hydraulic cylinder ii 27, and a plurality of guide rods ii 28 vertically slidably inserted in the brackets ii 4, wherein the head ends of the guide rods ii 28 are connected with the supporting plate 29. At the beginning, the piston rod of the hydraulic cylinder II 27 extends outwards, so that the supporting plate 29 is driven to move upwards under the guide of the guide rod II 28, and the tested part is prevented conveniently. The piston rod of the hydraulic cylinder ii 27 is then retracted inwardly so that its drive axle housing 8 is placed in the V-groove 26. Preferably, the top of the pallet 29 is provided with a recess 30. The shoulder part of the driving axle housing 8 can be arranged in the groove 30, so that the driving axle housing 8 is prevented from falling off in the lifting process, and the use reliability is improved.
As shown in FIG. 4, the horizontal alignment device may be in a structure including a bracket I3 vertically installed on the base 1, a hydraulic cylinder I21 vertically installed in the bracket I3, a horizontal support plate 23 horizontally installed at the head end of a piston rod of the hydraulic cylinder I21, and pins 24 vertically screwed and fixed at two ends of the horizontal support plate 23 respectively through nuts II 25, wherein the top ends of the two pins 24 are located at the same horizontal height, a guide rod I22 is vertically inserted in the bracket I3 in a sliding manner, and the head end of the guide rod I22 is connected with the horizontal support plate 23. When the alignment is needed, the piston rod of the hydraulic cylinder I21 extends outwards, so that the transverse support plate 23 is driven to move upwards under the guide of the guide rod I22 until the head ends of the two pins 24 with the same height are in contact with the middle disc surface of the uniform driving axle housing, and the driving axle housing is in a horizontal alignment state. The nut II 25 is loosened to adjust the height of the pin 24, so that the alignment of parts in different environments is convenient.
As shown in fig. 7, the horizontal slewing device may be a structure comprising a slewing table seat 2 mounted on a base 1, a main shaft 32 vertically screwed in the slewing table seat 2 through a bearing, a driven shaft 34 vertically screwed in the slewing table seat 2 through a bearing, a turntable 36 horizontally arranged and fixed on the upper end of the driven shaft 34, and a servo motor ii 31 mounted on the slewing table seat 2 and in transmission connection with the main shaft 32, wherein a gear i 33 is mounted on the main shaft 32, a gear ii 35 meshed with the gear i 33 is mounted on the driven shaft 34, and the number of teeth of the gear ii 35 is larger than that of the gear i 33. The servo motor II 31 drives the main shaft 32 to rotate, the driven shaft 34 is driven to rotate through the meshed gear I33 and gear II 35, the purpose of speed reduction is achieved because the number of teeth of the gear II 35 is larger than that of the gear I33, the driven shaft 34 rotates to drive the turntable 36 to rotate, the measuring device I rotates, and the dimensional tolerance and the form and position tolerance of the middle disc surface of the driving axle housing are measured. Preferably, the measuring device I is an industrial camera II 37 mounted on a turntable 36.
As shown in fig. 2 and fig. 3, the longitudinal turning device comprises a bracket iv 9, a rotating shaft 13 horizontally installed on the bracket iv 9 in a rotating manner, a servo motor i 14 installed on the bracket iv 9 and in transmission connection with the rotating shaft 13, a turning frame 15 installed at the head end of the rotating shaft 13, and two supporting rods 16 horizontally arranged at two ends of the turning frame 15, wherein the supporting rods 16 are fixed with the turning frame 15 through screws 38, the screws 38 are coaxial with the supporting rods 16, a slide way 17 is arranged at the head end of the supporting rods 16 along the front-rear direction, a slide seat 18 is slidably installed in the slide way 17, two measuring devices ii are respectively installed on corresponding slide seats 18 at the same side, and a shaft shoulder of a driving axle housing 8 is positioned between the two measuring devices ii. The servo motor I14 rotates to drive the rotating shaft 13 to rotate, and the rotating shaft 13 rotates to drive the revolving frame 15 to rotate, so that the two support rods 16 rotate around the shaft shoulder of the driving axle housing 8, and the measuring device II measures the dimensional tolerance and the form tolerance of the shaft shoulder of the driving axle housing 8. After the screw 38 is loosened, the supporting rod 16 can be rotated, so that the screw supporting rod 16 can be horizontally rotated by +/-30 degrees for adjustment, and the sliding seat 18 can slide back and forth in the sliding way 17, so that the distance between the measuring device II and the measured object can be conveniently adjusted. The two measuring devices ii are preferably two laser sensors 19 or two industrial cameras i 20 or one is a laser sensor 19 and the other is an industrial camera i 20.
Further, the driven shaft 34 is a hollow shaft, and the diameter of an inner hole of the hollow shaft is larger than the outer diameter of a horizontal alignment device, and the horizontal alignment device is inserted into the inner hole of the driven shaft 34. Because the horizontal alignment device is inserted into the inner hole of the driven shaft 34, the installation volume is effectively saved, and the quick measuring device for the size and form and position tolerance of the driving axle housing parts is smaller.
Preferably, the lower end of the support IV 9 is slidably mounted on the sliding rail 6 through a sliding block II 10, a screw rod 12 is rotatably mounted on the base 1 along the length direction, a nut I11 is mounted on the support IV 9, and the screw rod 12 is screwed in the nut I11. The sliding block II 10 can be driven to transversely slide along the sliding rail 6 by rotating the lead screw 12, so that two measuring devices II on each side can be adapted to driving axle housings 8 with different length specifications, and the application range is improved.
Claims (8)
1. The utility model provides a transaxle shell class part size and form and position tolerance rapid measurement device which characterized in that includes:
the base (1) is horizontally provided with a sliding rail (6) along the length direction;
the lifting device is arranged on the base (1) and is used for pushing the driving axle housing (8) to move up and down;
the lower ends of the two brackets III (5) are respectively and slidably arranged on the sliding rail (6) through the sliding blocks I (7), V-shaped grooves (26) are formed in the upper ends of the brackets III (5), when the lifting device ascends to the uppermost end, the shaft shoulders at the two ends of the driving axle housing (8) are respectively positioned right above the V-shaped grooves (26) at the same side, when the lifting device descends to the lowermost end, the shaft shoulders at the two ends of the driving axle housing (8) are arranged in the V-shaped grooves (26), and the central axis of the driving axle housing (8) is parallel to the horizontal plane;
the horizontal alignment device is arranged on the base (1), and when the shaft shoulders at the two ends of the driving axle housing (8) are arranged in the V-shaped grooves (26), the middle disc surface of the driving axle housing (8) is parallel to the horizontal plane;
the measuring device I is arranged on the base (1) through a horizontal turning device, and the horizontal turning device drives the measuring device I to select a circle of measuring the dimensional tolerance, the form tolerance and the form tolerance of the middle disc surface of the driving axle housing (8) along the horizontal direction
The two measuring devices II are arranged on the base (1) through a longitudinal rotating device, and the longitudinal rotating device drives the measuring devices II to rotate for one circle to measure the dimensional tolerance and the form tolerance of the shaft shoulders of the driving axle housing (8) on the same side;
the horizontal alignment device comprises a support I (3) vertically arranged on a base (1), a hydraulic cylinder I (21) vertically arranged in the support I (3), a horizontal support plate (23) horizontally arranged at the head end of a piston rod of the hydraulic cylinder I (21), pins (24) respectively and vertically screwed and fixed at two ends of the horizontal support plate (23) through nuts II (25), the top ends of the two pins (24) are positioned at the same horizontal height, a guide rod I (22) is vertically and slidably inserted in the support I (3), and the head end of the guide rod I (22) is connected with the horizontal support plate (23);
the two measuring devices II are two laser sensors (19) or two industrial cameras I (20) or one is a laser sensor (19) and the other is an industrial camera I (20).
2. The device for rapidly measuring the dimensional and form tolerance of the driving axle housing parts according to claim 1, wherein the device comprises: the lifting device comprises two supports II (4) arranged on the base (1), a hydraulic cylinder II (27) vertically arranged in the supports II (4), a supporting plate (29) horizontally arranged at the head end of a piston rod of the hydraulic cylinder II (27) and a plurality of guide rods II (28) vertically slidably inserted in the supports II (4), wherein the head ends of the guide rods II (28) are connected with the supporting plate (29).
3. The device for rapidly measuring the dimensional and form tolerance of the driving axle housing parts according to claim 1, wherein the device comprises: the horizontal slewing device comprises a slewing pedestal (2) arranged on a base (1), a main shaft (32) vertically screwed in the slewing pedestal (2) through a bearing, a driven shaft (34) vertically screwed in the slewing pedestal (2) through the bearing, a turntable (36) horizontally arranged and fixed at the upper end of the driven shaft (34) and a servo motor II (31) arranged on the slewing pedestal (2) and in transmission connection with the main shaft (32), a gear I (33) is arranged on the main shaft (32), a gear II (35) meshed with the gear I (33) is arranged on the driven shaft (34), and the number of teeth of the gear II (35) is larger than that of the gear I (33).
4. The device for rapidly measuring the dimensional and form tolerance of the driving axle housing parts according to claim 1, wherein the device comprises: the vertical turning device comprises a support IV (9), a rotating shaft (13) horizontally installed on the support IV (9), a servo motor I (14) installed on the support IV (9) and in transmission connection with the rotating shaft (13), a turning frame (15) installed at the head end of the rotating shaft (13) and two supporting rods (16) horizontally arranged at two ends of the turning frame (15), the supporting rods (16) are fixed with the turning frame (15) through screws (38), the screws (38) are coaxial with the supporting rods (16), a slide way (17) is arranged at the head end of the supporting rods (16) along the front-rear direction, a slide seat (18) is slidably installed in the slide way (17), two measuring devices II are respectively installed on the slide seat (18) corresponding to the same side, and the shaft shoulder of the driving axle housing (8) is located between the two measuring devices II.
5. The device for rapidly measuring the dimensional and form tolerance of the driving axle housing parts according to claim 2, wherein the device comprises: the top end of the supporting plate (29) is provided with a groove (30).
6. The device for rapidly measuring the dimensional and form tolerance of the driving axle housing parts according to claim 3, wherein: the measuring device I is an industrial camera II (37) arranged on a turntable (36).
7. The device for rapidly measuring the dimensional and form tolerance of the driving axle housing parts according to claim 3, wherein: the driven shaft (34) is a hollow shaft, the diameter of an inner hole of the driven shaft is larger than the outer diameter of the horizontal alignment device, and the horizontal alignment device is inserted into the inner hole of the driven shaft (34).
8. The device for rapidly measuring the dimensional and form tolerance of the driving axle housing parts according to claim 4, wherein the device comprises: the lower end of the support IV (9) is slidably mounted on the sliding rail (6) through the sliding block II (10), the screw rod (12) is rotatably mounted on the base (1) along the length direction, the nut I (11) is mounted on the support IV (9), and the screw rod (12) is screwed in the nut I (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711432459.9A CN107990828B (en) | 2017-12-26 | 2017-12-26 | Quick measuring device for dimension and form and position tolerance of driving axle housing parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711432459.9A CN107990828B (en) | 2017-12-26 | 2017-12-26 | Quick measuring device for dimension and form and position tolerance of driving axle housing parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107990828A CN107990828A (en) | 2018-05-04 |
| CN107990828B true CN107990828B (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711432459.9A Active CN107990828B (en) | 2017-12-26 | 2017-12-26 | Quick measuring device for dimension and form and position tolerance of driving axle housing parts |
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|---|---|---|---|---|
| CN110595318B (en) * | 2019-09-30 | 2024-05-17 | 江苏龙城精锻集团有限公司 | Special gauge for rapidly measuring shape, position and size of stainless steel oil rail forging |
| CN110701975B (en) * | 2019-11-08 | 2021-06-01 | 江西江铃底盘股份有限公司 | Detection device and detection method for axle housing body before welding |
| CN111006618B (en) * | 2019-12-24 | 2021-06-15 | 合肥美桥汽车传动及底盘系统有限公司 | Automatic comprehensive detection equipment for rear axle of commercial vehicle |
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