Hub detection device

Abstract

The utility model discloses a device for detecting a hub. Comprising a main supporting table, a positioning rod mounting disc, a to-be-detected hub, a side detection sliding rod, a middle detection sliding rod, a sliding rod mounting table, a sliding rod table driving screw rod, a main extending air cylinder, an extending rod, a distance sensor, a middle contact roller, a side contact roller, a lifting air cylinder, a motor mounting table, a rotating driving motor, a main locking column, a positioning clamping rotary knob, a hub bearing table and a centering positioning sliding block. A positioning disc connecting table is arranged at the bottom of the main supporting table, a positioning rod mounting disc is matched with the positioning disc connecting table and connected with the positioning disc connecting table, the positioning rod mounting disc rotates on the outer side of the positioning disc connecting table, a supporting base is arranged at the bottom of the positioning disc connecting table, and a centering positioning sliding groove is formed in the surface of the main supporting table. The three sets of centering positioning sliding grooves are evenly arranged around the main supporting table, and the centering positioning sliding blocks are matched with the centering positioning sliding grooves.

Description

Technical Field

[0001] The utility model relates to the field of wheel hub detection, in particular to a wheel hub detection device. Background Art

[0002] The existing patent (Announcement No.: CN114485529A) proposes a wheel hub detection device, including a detection platform, three groups of roundness detection mechanisms centripetally arranged on the detection platform, and an adjustment mechanism arranged on the detection platform. The roundness detection mechanism includes a frame, a supporting component, a first connecting plate, a first detection part, a second detection part, a second connecting plate, a third connecting plate, a spring, a distance sensor and a stopper. The first motor is started to drive the wheel hub to rotate through the placement table. If the roundness of the wheel hub itself is unqualified, after the wheel hub rotates one circle, the distance between the two groups of second detection parts changes, or the first detection part is subjected to the reverse force of the wheel hub, which will be transmitted to the first connecting plate, and then to the second connecting plate, and then to the third connecting plate, and finally detected by the distance sensor. However, in this device, "the positioning cylinder is rotatably connected to the upper end of the fixing rod". When the wheel hub and the fixing rod are installed, the operator needs to connect the fixing rod directly to the screw hole of the wheel hub, and the docking accuracy requirements are high, which affects the convenience of the fixing process. Summary of the invention

[0003] The utility model aims at the above-mentioned deficiencies in the prior art and provides a device for detecting the roundness of the wheel hub by using the device. The wheel hub to be detected can be directly placed on the upper part of the main supporting platform, and the positioning rod mounting plate can be driven to rotate by operating the centering operating handle to make the three groups of centering positioning columns move toward the middle at the same time, so that the wheel hub to be detected is pushed to the center position corresponding to the wheel hub bearing platform. At this time, the wheel hub to be detected is rotated to make the wheel hub mounting hole correspond to the position of the locking column connecting straight groove, the main locking column and the positioning clamping knob connecting body are inserted into the locking column connecting straight groove through the wheel hub mounting hole, the positioning clamping knob is rotated to clamp the locking block on the lower side of the locking block limit platform, and the fixing of the wheel hub to be detected is completed. The overall fixing of the wheel hub to be detected does not require precise docking, and the fixing process is convenient. A wheel hub detection device.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A wheel hub detection device comprises a main support platform, a positioning rod mounting plate, a wheel hub to be detected, a side detection slide bar, a middle detection slide bar, a slide bar mounting platform, a slide bar platform driving screw, a main stroke cylinder, a stroke rod, a distance sensor, a middle contact roller, a side contact roller, a lifting cylinder, a motor mounting platform, a rotation drive motor, a main locking column, a positioning clamping knob, a wheel hub bearing platform, and a center positioning slide bar. The main support platform has a positioning plate connecting platform at the bottom, the positioning rod mounting plate is adapted to the positioning plate connecting platform, the positioning rod mounting plate is connected to the positioning plate connecting platform, the positioning rod mounting plate rotates outside the positioning plate connecting platform, and the positioning plate connecting platform has a supporting base at the bottom The surface of the main support platform is provided with a center positioning groove, three groups of center positioning grooves are evenly arranged around the main support platform, the center positioning slider is adapted to the center positioning groove, the center positioning slider is connected to the center positioning groove, the center positioning slider slides inside the center positioning groove, the top of the center positioning slider is provided with a center positioning column, the bottom of the center positioning slider is provided with a curved groove connecting column, the surface of the positioning rod mounting plate is provided with a driving curved groove, three groups of driving curved grooves are evenly arranged around the positioning rod mounting plate, the driving curved groove is adapted to the curved groove connecting column, the driving curved groove is connected to the curved groove connecting column, the curved groove connecting column slides inside the driving curved groove, and a handle avoidance groove is provided on the right side of the main support platform.

[0006] The top of the positioning rod mounting plate is provided with a centering operating handle, the centering operating handle slides inside the handle avoidance groove, the bottom of the lifting cylinder is fixedly connected to the main support platform, the top of the lifting cylinder is fixedly connected to the motor mounting platform, the rotation driving motor is inserted into the motor mounting platform and fixed, the transmission shaft of the rotation driving motor is fixedly connected to the wheel hub bearing platform, the surface of the wheel hub bearing platform is provided with a locking column connecting straight groove, multiple groups of locking column connecting straight grooves are evenly arranged around the wheel hub bearing platform, the top of the wheel hub bearing platform is connected to the wheel hub to be detected, and the inside of the wheel hub to be detected is provided with a wheel hub mounting hole, multiple groups of wheel hub mounting holes are evenly arranged in a ring shape, the number of the wheel hub mounting holes and the locking column connecting straight grooves are the same, the positions of the wheel hub mounting holes and the locking column connecting straight grooves correspond, the diameter of the wheel hub mounting hole is the same as the width of the locking column connecting straight groove, the main locking column is adapted to the wheel hub mounting hole, the main locking column is connected to the wheel hub mounting hole, and the main locking column passes through the wheel hub mounting hole and extends deep into the locking column connecting straight groove.

[0007] The main locking column is respectively provided with side linkage sliding grooves and side linkage sliding rods on both sides, and the side linkage sliding grooves are adapted to the side linkage sliding rods. The side linkage sliding grooves between adjacent main locking columns are connected with the side linkage sliding rods, and the side linkage sliding rods slide inside the side linkage sliding grooves. The end of the side linkage sliding rod is connected to the inside of the side linkage sliding grooves through a spring, and a secondary locking column is provided at the bottom of the positioning clamping knob, the secondary locking column is rotatably connected to the main locking column, and a locking block is provided at the bottom of the secondary locking column, and a locking block limit platform is provided at the lower part of the locking column connecting straight groove, and a locking block limiting platform is provided at the lower part of the locking block limit platform, and a locking block connecting groove is provided, and the locking block is adapted to the locking block connecting groove.

[0008] The locking block is connected to the locking block connecting groove, the locking block is inserted into the lower part of the locking block connecting groove, the locking block is clamped at the lower part of the locking block limit platform, the side of the positioning clamping knob is provided with an angle limit block, the top of the main locking column is provided with an angle limit groove, the angle limit groove is adapted to the angle limit block, the angle limit groove is connected to the angle limit block, the angle limit block slides inside the angle limit groove, the side of the main supporting platform is provided with a detection mechanism bearing seat, the detection mechanism bearing seat is located on the side of the handle avoidance groove, the inside of the detection mechanism bearing seat is provided with a slide bar platform positioning groove, and the side of the slide bar platform positioning groove is provided with a first screw connecting groove.

[0009] The slide platform driving screw is rotatably connected to the first screw connecting groove, the slide platform driving screw body is located inside the slide platform positioning groove, a screw driving disk is provided on one side of the slide platform driving screw, the screw driving disk is located outside the detection mechanism bearing seat, a screw driving handle is provided on the surface of the screw driving disk, and a slide platform positioning block is provided at the bottom of the slide mounting platform, the slide platform positioning block is adapted to the slide platform positioning groove, the slide platform positioning block is connected to the slide platform positioning groove, and the slide platform positioning block slides inside the slide platform positioning groove.

[0010] The slide bar platform positioning block is provided with a second screw connecting groove inside, and the second screw connecting groove is threadedly connected to the slide bar platform driving screw. The upper part of the slide bar mounting platform is provided with a detection rod connecting groove, and the three groups of detection rod connecting grooves are arranged in sequence from top to bottom. One side of the slide bar mounting platform is provided with two groups of side detection slide bars and one group of middle detection slide bars, and the middle detection slide bar is in the center position, and the side detection slide bars are distributed on the upper and lower sides of the middle detection slide bar. The middle detection slide bar and the side detection slide bar are both provided with detection rod connecting columns, and the detection rod connecting columns are adapted to the detection rod connecting grooves. Beneficial Effects

[0011] 1. When the utility model uses this device to detect the roundness of the wheel hub, the wheel hub to be detected can be directly placed on the upper part of the main supporting platform, and the positioning rod mounting plate can be driven to rotate by operating the centering operating handle to make the three groups of centering positioning columns move toward the middle at the same time, and the wheel hub to be detected is pushed to the center position corresponding to the wheel hub bearing platform. At this time, the wheel hub to be detected is rotated to make the wheel hub mounting hole correspond to the position of the locking column connecting straight groove, and the main locking column and the positioning clamping knob connector are inserted into the locking column connecting straight groove through the wheel hub mounting hole, and the positioning clamping knob is rotated to clamp the locking block to the lower side of the locking block limit platform. The fixing of the wheel hub to be detected is completed, and the overall fixing of the wheel hub to be detected does not require precise docking, and the fixing process is convenient.

[0012] 2. The angle limit block of the utility model slides inside the angle limit groove. The angle limit groove limits the angle limit block, so that the operator can conveniently control the stop position of the locking block, thereby facilitating the installation of the main locking column and the positioning clamping knob connector, and further increasing the convenience and stability of installation.

[0013] 3. When the positioning rod mounting plate of the utility model rotates, the centering positioning slider is driven to rotate by the cooperation between the driving curved groove and the centering positioning slide groove. The cooperation between the driving curved groove and the centering positioning slide groove is not self-locking, so that the centering positioning column will not be continuously pressed against the outside of the centering positioning column after the positioning of the wheel hub to be detected is completed, ensuring that the centering positioning column will not be worn out due to the large friction with the wheel hub to be detected during the process of the rotating drive motor driving the wheel hub to be detected to rotate, thereby ensuring the service life of the centering positioning column.

[0014] 4. The cross-sectional area of ​​the internal space of the auxiliary cylinder of the utility model is smaller than the cross-sectional area of ​​the internal space of the main cylinder cavity, so that when the main cylinder connecting block produces a slight distance change, the auxiliary rod can multiply the change distance of the main cylinder connecting block, ensuring that the distance sensor can detect the distance change more accurately, thereby ensuring the measurement accuracy of this device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a wheel hub detection device according to the utility model. Figure 1 .

[0016] Figure 2 This is a schematic diagram of the structure of a wheel hub detection device according to the utility model. Figure 2 .

[0017] Figure 3 The utility model Figure 2 Partial enlarged image.

[0018] Figure 4 It is a side cross-sectional view of a wheel hub detection device described in the utility model.

[0019] Figure 5 The utility model Figure 4 Partial enlarged image.

[0020] Figure 6 The present invention is a partial structural diagram of a wheel hub detection device described in the present invention.

[0021] Figure 7 It is a partial top cross-sectional view of a wheel hub detection device described in the utility model.

[0022] Figure 8 This is a schematic diagram of the main support platform structure described in the utility model.

[0023] Fig. 9 This is a structural schematic diagram of the slide bar mounting platform described in the utility model.

[0024] Fig.10 This is a schematic diagram of the main stroke cylinder structure of the utility model.

[0025] Fig.11This is a schematic diagram of the structure of the positioning rod mounting plate described in the utility model.

[0026] Fig.12 This is a schematic diagram of the main locking column structure of the utility model. DETAILED DESCRIPTION

[0027] The utility model is further described in detail below according to the accompanying drawings and embodiments:

[0028] Embodiment 1:

[0029] A wheel hub detection device comprises a main support platform 1, a positioning rod mounting plate 4, a wheel hub to be detected 6, a side detection slide bar 10, a middle detection slide bar 11, a slide bar mounting platform 12, a slide bar platform driving screw 19, a main stroke cylinder 23, a stroke rod 26, a distance sensor 28, a middle contact roller 32, a side contact roller 33, a lifting cylinder 35, a motor mounting platform 36, a rotation drive motor 37, a main locking column 45, a positioning clamping knob 49, a wheel hub bearing platform 53, and a center positioning slider 56. The bottom of the main support platform 1 has There is a positioning plate connecting platform 15, the positioning rod mounting plate 4 is adapted to the positioning plate connecting platform 15, the positioning rod mounting plate 4 is connected to the positioning plate connecting platform 15, the positioning rod mounting plate 4 rotates outside the positioning plate connecting platform 15, the bottom of the positioning plate connecting platform 15 has a supporting base 2, the surface of the main support platform 1 has a centering positioning slide 34, three groups of centering positioning slides 34 are evenly arranged around the main support platform 1, the centering positioning slider 56 is adapted to the centering positioning slide 34, the centering positioning slider 56 is connected to the centering positioning slide 34, the centering positioning The positioning slider 56 slides inside the center positioning slot 34. The top of the center positioning slider 56 has a center positioning column 8, the bottom of the center positioning slider 56 has a curved groove connecting column 14, and the surface of the positioning rod mounting plate 4 has a driving curved groove 13. When the positioning rod mounting plate 4 rotates, the center positioning slider 56 is driven to rotate by the cooperation between the driving curved groove 13 and the center positioning slot 34. The cooperation between the driving curved groove 13 and the center positioning slot 34 is not self-locking, so that the center positioning column 8 will not continue to position the wheel hub 6 to be detected after completion. It is pressed tightly against the outside of the center positioning column 8 to ensure that the center positioning column 8 will not be worn out due to the large friction with the wheel hub 6 to be detected during the rotation of the rotating drive motor 37, thereby ensuring the service life of the center positioning column 8. Three groups of driving curved grooves 13 are evenly arranged around the positioning rod mounting plate 4. The driving curved grooves 13 are adapted to the curved groove connecting columns 14. The driving curved grooves 13 are connected to the curved groove connecting columns 14. The curved groove connecting columns 14 slide inside the driving curved grooves 13. A handle avoidance groove 5 is provided on the right side of the main support platform 1.

[0030] Embodiment 2:

[0031] The top of the positioning rod mounting plate 4 of the utility model is provided with a centering operating handle 3, and the centering operating handle 3 slides inside the handle avoidance groove 5. The bottom of the lifting cylinder 35 is fixedly connected to the main support platform 1, and the top of the lifting cylinder 35 is fixedly connected to the motor mounting platform 36. The rotation drive motor 37 is inserted into the motor mounting platform 36 and fixed. The transmission shaft of the rotation drive motor 37 is fixedly connected to the hub bearing platform 53. The surface of the hub bearing platform 53 is provided with a locking column connecting straight groove 54. Multiple groups of locking column connecting straight grooves 54 are evenly arranged around the hub bearing platform 53. The top of the hub bearing platform 53 is connected to the wheel hub 6 to be detected. When using this device to detect the roundness of the wheel hub, the wheel hub 6 to be detected can be directly placed on the upper part of the main support platform 1. By operating the centering operating handle 3, the positioning rod mounting plate 4 is driven to rotate, so that the three groups of centering positioning columns 8 move toward the middle at the same time, and the wheel hub 6 to be detected is pushed to the center position corresponding to the wheel hub bearing platform 53. At this time, the wheel hub to be detected is rotated. The wheel hub 6 to be tested makes the wheel hub mounting hole 57 correspond to the position of the locking column connecting straight groove 54, the main locking column 45 and the positioning clamping knob 49 connecting body are inserted into the locking column connecting straight groove 54 through the wheel hub mounting hole 57, and the positioning clamping knob 49 is rotated to clamp the locking block 52 on the lower side of the locking block limit platform 44, and the fixing of the wheel hub 6 to be tested is completed. The overall fixing of the wheel hub 6 to be tested is convenient without the need for precise docking. The wheel hub 6 to be tested has a wheel hub mounting hole 57 inside, and multiple groups of wheel hub mounting holes 57 are evenly arranged in a ring shape. The number of wheel hub mounting holes 57 and the number of locking column connecting straight grooves 54 are the same, and the positions of the wheel hub mounting holes 57 and the locking column connecting straight grooves 54 correspond. The diameter of the wheel hub mounting hole 57 is the same as the width of the locking column connecting straight groove 54, the main locking column 45 is adapted to the wheel hub mounting hole 57, the main locking column 45 is connected to the wheel hub mounting hole 57, and the main locking column 45 passes through the wheel hub mounting hole 57 and goes deep into the locking column connecting straight groove 54.

[0032] Embodiment 3:

[0033] The main locking column 45 of the utility model is respectively provided with side linkage sliding grooves 46 and side linkage sliding rods 47 on both sides, and the side linkage sliding grooves 46 are adapted to the side linkage sliding rods 47, and the side linkage sliding grooves 46 and the side linkage sliding rods 47 are connected between adjacent main locking columns 45, and the side linkage sliding rods 47 slide inside the side linkage sliding grooves 46, and the end of the side linkage sliding rod 47 is connected to the inside of the side linkage sliding grooves 46 through a spring, and a secondary locking column 51 is provided at the bottom of the positioning clamping knob 49, and the secondary locking column 51 is rotatably connected to the main locking column 45, and a locking block 52 is provided at the bottom of the secondary locking column 51, and a locking block limit platform 44 is provided at the lower part of the locking column connecting straight groove 54, and a locking block limiting platform 44 is provided at the lower part of the locking block limiting platform 44, and a locking block connecting groove 55 is provided at the lower part of the locking block 52, and the locking block 52 is adapted to the locking block connecting groove 55.

[0034] Embodiment 4:

[0035] The locking block 52 of the utility model is connected to the locking block connecting groove 55, the locking block 52 is inserted into the lower part of the locking block connecting groove 55, the locking block 52 is clamped at the lower part of the locking block limiting platform 44, the side of the positioning clamping knob 49 is provided with an angle limiting block 50, the top of the main locking column 45 is provided with an angle limiting groove 48, the angle limiting groove 48 is adapted to the angle limiting block 50, the angle limiting groove 48 is connected to the angle limiting block 50, the angle limiting block 50 slides inside the angle limiting groove 48, and the angle limiting block 50 is in the angle limiting groove 48. The angle limit block 50 is limited by the angle limit groove 48, so that the operator can conveniently control the stop position of the locking block 52, thereby facilitating the installation of the main locking column 45 and the positioning clamping knob 49 connector, and further increasing the convenience and stability of the installation. The side of the main support platform 1 is provided with a detection mechanism bearing seat 16, and the detection mechanism bearing seat 16 is located on the side of the handle avoidance groove 5. The detection mechanism bearing seat 16 has a slide bar platform positioning groove 17 inside, and the side of the slide bar platform positioning groove 17 has a first screw connecting groove 18.

[0036] Embodiment 5:

[0037] The slide platform driving screw 19 of the utility model is rotatably connected with the first screw connecting groove 18, the main body of the slide platform driving screw 19 is located inside the slide platform positioning groove 17, a screw driving disk 21 is provided on one side of the slide platform driving screw 19, the screw driving disk 21 is located outside the detection mechanism bearing seat 16, a screw driving handle 22 is provided on the surface of the screw driving disk 21, and a slide platform positioning block 20 is provided at the bottom of the slide mounting platform 12, the slide platform positioning block 20 is adapted to the slide platform positioning groove 17, the slide platform positioning block 20 is connected to the slide platform positioning groove 17, and the slide platform positioning block 20 slides inside the slide platform positioning groove 17.

[0038] Embodiment 6:

[0039] The slide bar platform positioning block 20 of the utility model has a second screw connecting groove 31 inside, and the second screw connecting groove 31 is threadedly connected to the slide bar platform driving screw 19. The upper part of the slide bar mounting platform 12 has a detection rod connecting groove 38, and the three groups of detection rod connecting grooves 38 are arranged in sequence from top to bottom. One side of the slide bar mounting platform 12 is provided with two groups of side detection slide bars 10 and one group of middle detection slide bars 11, and the middle detection slide bar 11 is in the center position, and the side detection slide bars 10 are distributed on the upper and lower sides of the middle detection slide bar 11. The middle detection slide bar 11 and the side detection slide bar 10 have detection rod connecting columns 39 on one side, and the detection rod connecting columns 39 are adapted to the detection rod connecting grooves 38.

[0040] Embodiment 7:

[0041] The detection rod connecting column 39 described in the utility model is connected to the detection rod connecting groove 38, and the detection rod connecting column 39 slides inside the detection rod connecting groove 38. The other side of the slide rod mounting platform 12 is fixedly connected to the main stroke cylinder 23, and the main stroke cylinder 23 has a main cylinder inner cavity 41. The end of the detection rod connecting column 39 has a main cylinder connecting block 40, and the main cylinder connecting block 40 is adapted to the main cylinder inner cavity 41. The main cylinder connecting block 40 is connected to the main cylinder inner cavity 41, and the main cylinder connecting block 40 slides inside the main cylinder inner cavity 41. The other side of the side detection slide rod 10 has a side positioning roller connecting platform 7, and the side positioning roller connecting platform 7 is connected to the slide rod mounting platform 12 by a spring.

[0042] Embodiment 8:

[0043] The side positioning roller connecting platform 7 of the utility model is rotatably connected with the side contact roller 33, and the side contact roller 33 is pressed against the side of the wheel hub 6 to be detected. The other side of the middle detection slide bar 11 is provided with a middle positioning roller connecting platform 9, and the middle positioning roller connecting platform 9 is connected to the slide bar mounting platform 12 by a spring. The middle positioning roller connecting platform 9 is rotatably connected with the middle contact roller 32, and the middle contact roller 32 is pressed against the side of the wheel hub 6 to be detected. The top of the main stroke cylinder 23 is provided with an auxiliary stroke cylinder 25.

[0044] Embodiment 9:

[0045] The internal space of the auxiliary range cylinder 25 described in the utility model is connected with the main cylinder cavity 41, and the cross-sectional area of ​​the internal space of the auxiliary range cylinder 25 is smaller than the cross-sectional area of ​​the internal space of the main cylinder cavity 41, so that when the main cylinder connecting block 40 produces a slight distance change, the range rod 26 can multiply the change distance of the main cylinder connecting block 40, thereby ensuring that the distance sensor 28 can detect the distance change more accurately, thereby ensuring the measurement accuracy of this device, the range rod 26 is adapted to the auxiliary range cylinder 25, the range rod 26 is connected to the auxiliary range cylinder 25, the range rod 26 slides inside the auxiliary range cylinder 25, and a detection block 27 is provided on one side of the range rod 26, and the distance sensor 28 is fixedly connected to the side of the main range cylinder 23, and the distance sensor 28 corresponds to the detection block 27.

[0046] Embodiment 10:

[0047] The utility model installation steps are as follows: the positioning rod mounting plate 4 is rotatably connected with the positioning plate connecting platform 15 of the main support platform 1, so that the centering operation handle 3 of the positioning rod mounting plate 4 is inserted into the handle avoidance groove 5 of the main support platform 1, the centering positioning slider 56 is inserted into the centering positioning slide groove 34 of the main support platform 1, and the curved groove connecting column 14 of the centering positioning slider 56 is inserted into the driving curved groove 13 of the positioning rod mounting plate 4, the sliding rod platform driving screw 19 is rotatably connected with the first screw connecting groove 18 of the main support platform 1, and the sliding rod platform positioning block 20 of the sliding rod mounting platform 12 is inserted into the sliding rod platform positioning groove 17 of the main support platform 1, so that the sliding rod platform driving screw 19 is connected with the sliding rod mounting platform 12. The second screw rod connecting groove 31 is threadedly connected to fix the side of the slide rod mounting platform 12 with the main process cylinder 23, and the detection rod connecting column 39 of the side detection slide rod 10 and the middle detection slide rod 11 is inserted into the detection rod connecting groove 38 of the slide rod mounting platform 12, so that the main cylinder connecting block 40 of the side detection slide rod 10 and the middle detection slide rod 11 is inserted into the main cylinder inner cavity 41 of the main process cylinder 23, so that the side detection slide rod 10 is distributed on the upper and lower sides of the middle detection slide rod 11, and the side positioning roller connecting platform 7 of the side detection slide rod 10 is connected to the slide rod mounting platform 12 through a spring, and the middle positioning roller connecting platform 9 of the middle detection slide rod 11 is connected to the slide rod mounting platform 12 through a spring, and the side positioning roller connecting platform 7 is connected to the side contact roller 33 Rotate and connect the middle contact roller 32 to the middle positioning roller connecting platform 9, insert the stroke rod 26 into the auxiliary stroke cylinder 25 of the main stroke cylinder 23, fix the side of the main stroke cylinder 23 to the distance sensor 28, fix the bottom of the lifting cylinder 35 to the main support platform 1, fix the transmission shaft of the lifting cylinder 35 to the motor mounting platform 36, insert the rotation drive motor 37 into the motor mounting platform 36 and fix it, fix the transmission shaft of the rotation drive motor 37 to the hub bearing platform 53, place the wheel hub 6 to be tested on the upper part of the wheel hub bearing platform 53, press the center positioning column 8 of the center positioning slider 56 against the side of the wheel hub 6 to be tested, and connect the five sets of main locking columns 45 to the side linkage slider 47. The side linkage slide grooves 46 are connected to each other, and the end of the side linkage slide rod 47 is connected to the inside of the side linkage slide groove 46 through a spring, and the main locking column 45 is inserted into the locking column connecting straight groove 54 of the hub bearing platform 53 through the hub mounting hole 57 of the wheel hub 6 to be detected, and the secondary locking column 51 of the positioning clamping knob 49 is rotatably connected with the main locking column 45, so that the angle limit block 50 of the positioning clamping knob 49 is inserted into the angle limit groove 48 of the main locking column 45, and the locking block 52 of the positioning clamping knob 49 is inserted into the locking block connecting groove 55 of the locking column connecting straight groove 54, and the slide rod mounting platform 12 is moved to press the side contact roller 33 and the middle contact roller 32 against the side of the wheel hub 6 to be detected, and the installation of this device is completed.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A wheel hub detection device, characterized in that The invention comprises a main support platform (1), a positioning rod mounting plate (4), a wheel hub to be detected (6), a side detection slide bar (10), a middle detection slide bar (11), a slide bar mounting plate (12), a slide bar platform driving screw (19), a main stroke cylinder (23), a stroke rod (26), a distance sensor (28), a middle contact roller (32), a side contact roller (33), a lifting cylinder (35), a motor mounting plate (36), a rotation drive motor (37), a main locking column (45), a positioning clamping knob (49), a wheel hub bearing plate (53), and a center positioning slide block (56). The main support platform (1) has a positioning plate connecting plate (15) at the bottom, the positioning rod mounting plate (4) is adapted to the positioning plate connecting plate (15), the positioning rod mounting plate (4) is connected to the positioning plate connecting plate (15), the positioning rod mounting plate (4) rotates outside the positioning plate connecting plate (15), and the positioning plate connecting plate (15) has a supporting base (2 ), the main support platform (1) has a centering positioning groove (34) on its surface, three groups of centering positioning grooves (34) are evenly arranged around the main support platform (1), a centering positioning slider (56) is adapted to the centering positioning groove (34), the centering positioning slider (56) is connected to the centering positioning groove (34), the centering positioning slider (56) slides inside the centering positioning groove (34), the centering positioning slider (56) has a centering positioning column (8) on its top, and a curved groove connecting column (14) is provided at its bottom, the positioning rod mounting plate (4) has a driving curved groove (13) on its surface, three groups of driving curved grooves (13) are evenly arranged around the positioning rod mounting plate (4), the driving curved groove (13) is adapted to the curved groove connecting column (14), the driving curved groove (13) is connected to the curved groove connecting column (14), the curved groove connecting column (14) slides inside the driving curved groove (13), and the right side of the main support platform (1) has a handle avoidance groove (5).

2. A wheel hub detection device according to claim 1, characterized in that The top of the positioning rod mounting plate (4) is provided with a centering operating handle (3), the centering operating handle (3) slides inside the handle avoidance groove (5), the bottom of the lifting cylinder (35) is fixedly connected to the main support platform (1), the top of the lifting cylinder (35) is fixedly connected to the motor mounting platform (36), the rotation drive motor (37) is inserted into the motor mounting platform (36) and fixed, the transmission shaft of the rotation drive motor (37) is fixedly connected to the hub bearing platform (53), the surface of the hub bearing platform (53) is provided with a locking column connecting straight groove (54), a plurality of groups of locking column connecting straight grooves (54) are evenly arranged around the hub bearing platform (53), and the hub bearing platform (53) is provided with a locking column connecting straight groove (54). ) is connected to the top of the wheel hub (6) to be tested, and the wheel hub (6) to be tested has a wheel hub mounting hole (57) inside, and the plurality of wheel hub mounting holes (57) are evenly arranged in a ring shape, and the number of the wheel hub mounting holes (57) is the same as the number of the locking column connecting straight grooves (54), and the positions of the wheel hub mounting holes (57) and the locking column connecting straight grooves (54) correspond to each other, and the diameter of the wheel hub mounting hole (57) is the same as the width of the locking column connecting straight grooves (54), and the main locking column (45) is adapted to the wheel hub mounting hole (57), and the main locking column (45) is connected to the wheel hub mounting hole (57), and the main locking column (45) passes through the wheel hub mounting hole (57) and penetrates into the locking column connecting straight grooves (54).

3. A wheel hub detection device according to claim 2, characterized in that The main locking column (45) has side linkage grooves (46) and side linkage slide bars (47) on both sides, the side linkage grooves (46) are adapted to the side linkage slide bars (47), the side linkage grooves (46) and the side linkage slide bars (47) are connected between adjacent main locking columns (45), the side linkage slide bars (47) slide inside the side linkage grooves (46), the end of the side linkage slide bars (47) is connected to the inside of the side linkage grooves (46) by a spring, the bottom of the positioning clamping knob (49) has a secondary locking column (51), the secondary locking column (51) is rotatably connected to the main locking column (45), the bottom of the secondary locking column (51) has a locking block (52), the lower part of the locking column connecting straight groove (54) has a locking block limit platform (44), the lower part of the locking block limit platform (44) has a locking block connecting groove (55), and the locking block (52) is adapted to the locking block connecting groove (55).

4. A wheel hub detection device according to claim 3, characterized in that The locking block (52) is connected to the locking block connecting groove (55), the locking block (52) is inserted into the lower part of the locking block connecting groove (55), the locking block (52) is clamped on the lower part of the locking block limiting platform (44), the side of the positioning clamping knob (49) is provided with an angle limiting block (50), the top of the main locking column (45) is provided with an angle limiting groove (48), the angle limiting groove (48) is adapted to the angle limiting block (50), the angle limiting groove (48) is connected to the angle limiting block (50), the angle limiting block (50) slides inside the angle limiting groove (48), the side of the main support platform (1) is provided with a detection mechanism bearing seat (16), the detection mechanism bearing seat (16) is located on the side of the handle avoidance groove (5), the inside of the detection mechanism bearing seat (16) is provided with a slide bar platform positioning groove (17), and the side of the slide bar platform positioning groove (17) is provided with a first screw connecting groove (18).

5. A wheel hub detection device according to claim 4, characterized in that The slide platform driving screw (19) is rotatably connected to the first screw connecting groove (18); the main body of the slide platform driving screw (19) is located inside the slide platform positioning groove (17); one side of the slide platform driving screw (19) is provided with a screw driving disk (21); the screw driving disk (21) is located outside the detection mechanism bearing seat (16); the surface of the screw driving disk (21) is provided with a screw driving handle (22); the bottom of the slide mounting platform (12) is provided with a slide platform positioning block (20); the slide platform positioning block (20) is adapted to the slide platform positioning groove (17); the slide platform positioning block (20) is connected to the slide platform positioning groove (17); the slide platform positioning block (20) slides inside the slide platform positioning groove (17).

6. A wheel hub detection device according to claim 5, characterized in that The slide platform positioning block (20) has a second screw connecting groove (31) inside, and the second screw connecting groove (31) is threadedly connected to the slide platform driving screw (19). The upper part of the slide platform (12) has a detection rod connecting groove (38), and three groups of detection rod connecting grooves (38) are arranged in sequence from top to bottom. Two groups of side detection slide bars (10) and one group of middle detection slide bars (11) are arranged on one side of the slide platform (12), and the middle detection slide bar (11) is located in the middle position. The side detection slide bars (10) are distributed on the upper and lower sides of the middle detection slide bar (11). The middle detection slide bar (11) and the side detection slide bar (10) have detection rod connecting columns (39) on one side, and the detection rod connecting columns (39) are adapted to the detection rod connecting grooves (38).

7. A wheel hub detection device according to claim 6, characterized in that The detection rod connecting column (39) is connected to the detection rod connecting groove (38), and the detection rod connecting column (39) slides inside the detection rod connecting groove (38). The other side of the slide rod mounting platform (12) is fixedly connected to the main stroke cylinder (23), and the main stroke cylinder (23) has a main cylinder inner cavity (41). The end of the detection rod connecting column (39) has a main cylinder connecting block (40), and the main cylinder connecting block (40) is adapted to the main cylinder inner cavity (41). The main cylinder connecting block (40) is connected to the main cylinder inner cavity (41), and the main cylinder connecting block (40) slides inside the main cylinder inner cavity (41). The other side of the side detection slide rod (10) has a side positioning roller connecting platform (7), and the side positioning roller connecting platform (7) is connected to the slide rod mounting platform (12) through a spring.

8. A wheel hub detection device according to claim 7, characterized in that The side positioning roller connecting platform (7) is rotatably connected to the side contact roller (33), and the side contact roller (33) is pressed against the side of the wheel hub (6) to be detected. The other side of the middle detection slide bar (11) is provided with a middle positioning roller connecting platform (9), and the middle positioning roller connecting platform (9) is connected to the slide bar mounting platform (12) through a spring. The middle positioning roller connecting platform (9) is rotatably connected to the middle contact roller (32), and the middle contact roller (32) is pressed against the side of the wheel hub (6) to be detected. The top of the main stroke cylinder (23) is provided with an auxiliary stroke cylinder (25).

9. A wheel hub detection device according to claim 1, characterized in that The inner space of the auxiliary cylinder (25) is communicated with the inner cavity (41) of the main cylinder, the actuator rod (26) is adapted to the auxiliary cylinder (25), the actuator rod (26) is connected to the auxiliary cylinder (25), the actuator rod (26) slides inside the auxiliary cylinder (25), a detection block (27) is provided on one side of the actuator rod (26), a distance sensor (28) is fixedly connected to the side of the main cylinder (23), and the distance sensor (28) corresponds to the detection block (27).

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