Wheel hub detection mechanism

Abstract

The utility model relates to the technical field of detection devices, in particular to a wheel hub detection mechanism. Comprising a base, a central seat, a lantern ring, a wheel hub positioning assembly, a locking piece, a detection table, a plurality of special-shaped hole detection blocks arranged on the detection table, a fixed seat arranged on the base, a lifting rod which is in lifting sliding connection with the fixed seat and is fixedly connected with the bottom surface of the detection table, and a pressing handle used for pressing a wheel hub on the wheel hub positioning assembly, the upper side surface profile tolerance detection assembly is arranged on the base, the peripheral side surface and lower side surface profile tolerance detection assembly and the upper side surface profile tolerance detection assembly are arranged on the base, the peripheral side surface and lower side surface profile tolerance detection assembly and the upper side surface profile tolerance detection assembly are distributed outside the peripheral side of the detection table, and the multiple special-shaped hole detection blocks are distributed on the detection table in an annular array mode. According to the utility model, not only can the special-shaped hole of the wheel hub be detected, but also the surface profile tolerance of the wheel hub can be detected, one object has two purposes, the efficiency of detecting the wheel hub is improved, and the labor intensity of detection personnel is reduced.

Description

Technical Field

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

[0002] In the process of wheel hub production, in order to ensure the quality of wheel hub, it is necessary not only to detect the special-shaped holes on the wheel hub, but also to detect the surface profile of the wheel hub. Among the existing patents, the Chinese patent document with application number 202311600751.2 discloses a railway wheel profile measuring device, including a base, a horizontally rotatable turntable is arranged on the base, the turntable is connected to a turntable motor transmission, a wheel mounting bracket is fixedly arranged above the turntable, and also includes a detection bracket fixedly arranged on one side of the turntable, the lower end of the detection bracket has a lower arm extending horizontally from the bottom to the middle of the lower position of the wheel mounting bracket, the upper end of the detection bracket has an upper arm extending horizontally from the top to the middle of the upper position of the wheel mounting bracket, and a non-contact measuring device is installed on the inner side surface of the lower arm and the upper arm of the detection bracket, and the lower arm and the upper arm of the detection bracket are provided with an inclined mounting surface in an eight-shaped shape at both ends of the inner side surface of each of the lower arm and the upper arm of the detection bracket, and a non-contact measuring device is installed on each of the four mounting surfaces. This patent document can only complete the thermal measurement of train wheels, and cannot detect the surface contour and special-shaped holes of the wheel hub.

[0003] Therefore, the defects are very obvious and a solution is urgently needed. Utility Model Content

[0004] In order to solve the above technical problems, the purpose of the utility model is to provide a wheel hub detection mechanism.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A wheel hub detection mechanism comprises a base, a center seat mounted on the base, a collar mounted on the center seat, a wheel hub positioning assembly rotatably connected to the collar, a locking piece for locking the wheel hub positioning assembly to the collar, a detection platform lifted and sleeved outside the wheel hub positioning assembly, a plurality of special-shaped hole detection blocks arranged on the detection platform, a fixed seat mounted on the base, a lifting rod lifted and slidably connected to the fixed seat and fixedly connected to the bottom surface of the detection platform, a pressing handle detachably connected to the wheel hub positioning assembly and used for pressing the wheel hub onto the wheel hub positioning assembly, an upper side profile detection assembly mounted on the base, and a peripheral side and lower side profile detection assembly mounted on the base, the peripheral side and lower side profile detection assembly and the upper side profile detection assembly are distributed outside the peripheral side of the detection platform, and the plurality of special-shaped hole detection blocks are distributed in a ring array on the detection platform.

[0007] Furthermore, the wheel hub positioning assembly includes a bearing embedded in the ring, a rotating shaft inserted into the inner ring of the bearing, a wheel hub positioning block installed on the top of the rotating shaft, and a plurality of positioning pins arranged on the top surface of the wheel hub positioning block. The locking piece is used to lock the rotating shaft on the ring, and the pressing handle is detachably connected to the plurality of positioning pins.

[0008] Furthermore, a through hole is provided in the radial direction of the collar, a positioning hole for communicating with the through hole is provided in the radial direction of the rotating shaft, and the locking member is a latch member, which can be inserted into the through hole and the positioning hole.

[0009] Furthermore, the wheel hub detection mechanism also includes a limit pin, a sliding sleeve is provided on the fixed seat, the lifting rod and the sliding sleeve are slidably matched, a socket is provided on the side wall of the sliding sleeve, and a plurality of lifting limit holes are provided in the height direction of the lifting rod. The socket is used to connect with one of the lifting limit holes, and the limit pin is inserted into the corresponding lifting limit hole through the socket.

[0010] Furthermore, the upper side contour detection assembly includes a first mounting seat mounted on the base, a flip arm rotatably connected to the first mounting seat, an upper side dial indicator mounted on an end of the flip arm away from the first mounting seat, and a locking member for locking the flip arm to the first mounting seat, and the flip arm can be rotated relative to the first mounting seat to a vertical state or a horizontal state.

[0011] Furthermore, the peripheral side and lower side profile detection assembly includes a second mounting seat mounted on the base and a peripheral side dial indicator and a lower side dial indicator respectively mounted on the top of the second mounting seat, and the peripheral side dial indicator and the lower side dial indicator are vertically arranged.

[0012] Furthermore, two handles are installed on the bottom surface of the testing platform, and the two handles are symmetrically arranged.

[0013] Furthermore, a plurality of tool fixing rings are provided on the top surface of the base.

[0014] Furthermore, a center hole is opened in the middle of the testing platform, and the wheel hub positioning assembly is located in the center hole.

[0015] The beneficial effects of the utility model are as follows: in practical application, at the beginning, the inspection platform is in a low position, the locking piece locks the wheel hub positioning assembly on the collar, at this time the wheel hub is placed on the wheel hub positioning assembly, the wheel hub positioning assembly positions the wheel hub, then the pressing handle presses the wheel hub on the wheel hub positioning assembly to ensure the stability of the wheel hub during inspection, and then the inspection platform is driven to rise, so that the inspection platform rises to a high position, and the multiple special-shaped hole inspection blocks on the inspection platform are respectively inserted into the multiple special-shaped holes of the wheel hub to inspect the multiple special-shaped holes of the wheel hub to determine whether the wheel hub is on the wheel hub. Whether the special-shaped hole of the wheel hub is qualified; when it is necessary to detect the surface contour of the wheel hub, the detection platform is lowered to a low position, and the locking piece unlocks the wheel hub positioning assembly, so that the wheel hub positioning assembly can rotate relative to the sleeve ring. At this time, the wheel hub is rotated so that the position of the wheel hub required to detect the surface contour is rotated to the peripheral side and lower side contour detection assembly and the upper side contour detection assembly. The peripheral side and lower side contour detection assembly detects the peripheral side contour and lower side contour of the wheel hub at different positions, and the upper side contour detection assembly detects the upper side contour of the wheel hub at different positions. The utility model can not only detect the special-shaped holes of the wheel hub, but also detect the surface contour of the wheel hub. It has two uses in one, improves the efficiency of detecting the wheel hub, and reduces the labor intensity of the detection personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model having a wheel hub.

[0017] Figure 2 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 3 It is a cross-sectional view of the center seat, wheel hub positioning assembly, locking piece and pressing handle of the utility model.

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the peripheral side surface and lower side surface contour detection assembly of the utility model.

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the upper side profile detection component of the utility model.

[0021] Figure 6 It is a three-dimensional structural schematic diagram of the fixing seat, lifting rod, sliding sleeve and limiting pin of the utility model.

[0022] Description of reference numerals:

[0023] 1. Base; 2. Center seat; 3. Ring; 4. Wheel hub positioning assembly; 5. Locking piece; 6. Inspection table; 7. Special-shaped hole detection block; 8. Fixed seat; 9. Lifting rod; 10. Pressing handle; 11. Upper side profile detection assembly; 12. Peripheral side and lower side profile detection assembly; 13. Bearing; 14. Rotating shaft; 15. Wheel hub positioning block; 16. Locating pin; 17. Through hole; 18. Locating hole; 19. Limit pin; 20. Sliding sleeve; 21. Plug hole; 22. Lifting limit hole; 23. First mounting seat; 24. Flipping arm; 25. Upper side dial indicator; 26. Locking piece; 27. Second mounting seat; 28. Peripheral side dial indicator; 29. ​​Lower side dial indicator; 30. Handle; 31. Tool fixing ring; 32. Center hole; 33. Wheel hub. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0025] like Figures 1 to 6 As shown, the utility model provides a wheel hub detection mechanism, which includes a base 1, a center seat 2 installed on the base 1, a collar 3 installed on the center seat 2, a wheel hub positioning assembly 4 rotatably connected to the collar 3, a locking piece 5 for locking the wheel hub positioning assembly 4 to the collar 3, a detection platform 6 lifted and sleeved outside the wheel hub positioning assembly 4, a plurality of special-shaped hole detection blocks 7 arranged on the detection platform 6, a fixed seat 8 installed on the base 1, a lifting rod 9 lifted and slidably connected to the fixed seat 8 and fixedly connected to the bottom surface of the detection platform 6, a pressing handle 10 detachably connected to the wheel hub positioning assembly 4 and used for pressing the wheel hub 33 on the wheel hub positioning assembly 4, an upper side profile detection assembly 11 installed on the base 1 and a peripheral side and lower side profile detection assembly 12 installed on the base 1, the peripheral side and lower side profile detection assembly 12 and the upper side profile detection assembly 11 are distributed outside the peripheral side of the detection platform 6, and the plurality of special-shaped hole detection blocks 7 are distributed on the detection platform 6 in a ring array.

[0026] In actual application, at the beginning, the detection platform 6 is in a low position, and the locking piece 5 locks the wheel hub positioning assembly 4 on the collar 3. At this time, the wheel hub 33 is placed on the wheel hub positioning assembly 4, and the wheel hub positioning assembly 4 positions the wheel hub 33. Then the pressing handle 10 presses the wheel hub 33 on the wheel hub positioning assembly 4 to ensure the stability of the wheel hub 33 during detection, and then the detection platform 6 is driven to rise, so that the detection platform 6 rises to a high position, and the multiple special-shaped hole detection blocks 7 on the detection platform 6 are respectively inserted into the multiple special-shaped holes of the wheel hub 33 to detect the multiple special-shaped holes of the wheel hub 33 to determine whether the special-shaped holes on the wheel hub 33 are Whether it is qualified; when it is necessary to detect the surface profile of the wheel hub 33, the detection platform 6 is lowered to the low position, and the locking piece 5 unlocks the wheel hub positioning assembly 4, so that the wheel hub positioning assembly 4 can rotate relative to the sleeve ring 3. At this time, the wheel hub 33 is rotated so that the position of the wheel hub 33 where the surface profile needs to be detected is rotated to the peripheral side and lower side profile detection assembly 12 and the upper side profile detection assembly 11. The peripheral side and lower side profile detection assembly 12 detects the peripheral side profile and lower side profile at different positions of the wheel hub 33, and the upper side profile detection assembly 11 detects the upper side profile at different positions of the wheel hub 33. The utility model can detect not only the special-shaped holes of the wheel hub 33, but also the surface profile of the wheel hub 33. It has two uses in one, improves the efficiency of detecting the wheel hub 33, and reduces the labor intensity of the detection personnel.

[0027] In this embodiment, the wheel hub positioning assembly 4 includes a bearing 13 embedded in the collar 3, a rotating shaft 14 inserted into the inner ring of the bearing 13, a wheel hub positioning block 15 installed on the top of the rotating shaft 14, and a plurality of positioning pins 16 arranged on the top surface of the wheel hub positioning block 15. The locking member 5 is used to lock the rotating shaft 14 on the collar 3, and the pressing handle 10 is detachably connected to the plurality of positioning pins 16. In actual application, the plurality of positioning pins 16 respectively pass through the plurality of product holes of the wheel hub 33 to position the wheel hub 33 on the wheel hub positioning block 15, and then the pressing handle 10 is inserted into the positioning pins 16, so that the pressing handle 10 presses the wheel hub 33 on the wheel hub positioning block 15, preventing the wheel hub 33 from vibrating up and down, thereby improving the stability and accuracy when detecting the wheel hub 33.

[0028] In this embodiment, a through hole 17 is provided in the radial direction of the collar 3, a positioning hole 18 for communicating with the through hole 17 is provided in the radial direction of the rotating shaft 14, and the locking member 5 is a latch member, which can be inserted into the through hole 17 and the positioning hole 18. When inspecting the special-shaped hole of the wheel hub 33, the latch member is inserted into the positioning hole 18 through the through hole 17 to lock the rotating shaft 14 and prevent the rotating shaft 14 from rotating relative to the collar 3. When it is necessary to rotate the wheel hub 33 on the wheel hub positioning block 15, the latch member is pulled out so that the wheel hub positioning block 15 can rotate relative to the collar 3 following the rotating shaft 14.

[0029] In this embodiment, the wheel hub detection mechanism also includes a limit pin 19, the fixed seat 8 is provided with a sliding sleeve 20, the lifting rod 9 is slidably matched with the sliding sleeve 20, the side wall of the sliding sleeve 20 is provided with a socket 21, and the lifting rod 9 is provided with a plurality of lifting limit holes 22 in the height direction. The socket 21 is used to connect with one of the lifting limit holes 22, and the limit pin 19 is inserted into the corresponding lifting limit hole 22 via the socket 21.

[0030] In actual application, when the limit pin 19 is inserted into the corresponding lifting limit hole 22 through the insertion hole 21, the detection platform 6 stays at the required height position; when the detection platform 6 needs to be lifted or lowered, the limit pin 19 only needs to be pulled out to realize the lifting operation of the detection platform 6. After the lifting operation is completed, the limit pin 19 is inserted into the corresponding lifting limit hole 22 through the insertion hole 21 to fix the height of the detection platform 6.

[0031] In this embodiment, the upper side contour detection assembly 11 includes a first mounting seat 23 installed on the base 1, a flip arm 24 rotatably connected to the first mounting seat 23, an upper side dial indicator 25 installed at one end of the flip arm 24 away from the first mounting seat 23, and a locking member 26 for locking the flip arm 24 to the first mounting seat 23. The flip arm 24 can be rotated relative to the first mounting seat 23 to a vertical state or a horizontal state.

[0032] In actual application, when the upper side contour detection assembly 11 is in a non-working state, the flip arm 24 is in a horizontal state to prevent the upper side dial indicator 25 from interfering with the disassembly and assembly of the wheel hub 33; when it is necessary to detect the upper side contour of the wheel hub 33, the flip arm 24 is rotated from a horizontal state to a vertical state, and then the flip arm 24 is locked on the first mounting seat 23 by the locking piece 26, and the detection end of the upper side dial indicator 25 contacts the upper side of the wheel hub 33 to detect the upper side contour of the wheel hub 33.

[0033] In this embodiment, the peripheral side and lower side profile detection assembly 12 includes a second mounting seat 27 mounted on the base 1 and a peripheral side dial gauge 28 and a lower side dial gauge 29 respectively mounted on the top of the second mounting seat 27, and the peripheral side dial gauge 28 and the lower side dial gauge 29 are vertically arranged. In actual application, the detection end of the peripheral side dial gauge 28 contacts the peripheral side of the wheel hub 33, and the detection end of the lower side dial gauge 29 contacts the lower side of the wheel hub 33. The peripheral side dial gauge 28 detects the peripheral side profile of the wheel hub 33, and the lower side dial gauge 29 detects the lower side profile of the wheel hub 33.

[0034] In this embodiment, two handles 30 are installed on the bottom surface of the testing platform 6, and the two handles 30 are symmetrically arranged. The arrangement of the handles 30 facilitates the testing personnel to lift and lower the testing platform 6.

[0035] In this embodiment, a plurality of tool fixing rings 31 are disposed on the top surface of the base 1 , and the tool fixing rings 31 are used to fix tools (such as limiting pins 19 and latches, etc.).

[0036] In this embodiment, a central hole 32 is opened in the middle of the test platform 6, and the wheel hub positioning assembly 4 is located in the central hole 32. This structural design is compact, so that the test platform 6 will not interfere with the rotation of the wheel hub positioning assembly 4.

[0037] All technical features in this embodiment can be freely combined according to actual needs.

[0038] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A wheel hub detection mechanism, characterized in that: The invention comprises a base (1), a center seat (2) mounted on the base (1), a collar (3) mounted on the center seat (2), a wheel hub positioning assembly (4) rotatably connected to the collar (3), a locking piece (5) for locking the wheel hub positioning assembly (4) to the collar (3), a detection platform (6) mounted on the outside of the wheel hub positioning assembly (4) in a lifting manner, a plurality of special-shaped hole detection blocks (7) arranged on the detection platform (6), a fixing seat (8) mounted on the base (1), a fixing piece (8) lifting and slidingly connected to the fixing seat (8) and fixedly connected to the bottom surface of the detection platform (6) A lifting rod (9), a pressing handle (10) detachably connected to the wheel hub positioning assembly (4) and used to press the wheel hub (33) onto the wheel hub positioning assembly (4), an upper side profile detection assembly (11) mounted on the base (1) and a peripheral side and lower side profile detection assembly (12) mounted on the base (1), the peripheral side and lower side profile detection assembly (12) and the upper side profile detection assembly (11) are distributed outside the peripheral side of the detection platform (6), and a plurality of special-shaped hole detection blocks (7) are distributed on the detection platform (6) in a ring array.

2. A wheel hub detection mechanism according to claim 1, characterized in that: The wheel hub positioning assembly (4) comprises a bearing (13) embedded in a sleeve ring (3), a rotating shaft (14) inserted into the inner ring of the bearing (13), a wheel hub positioning block (15) installed on the top of the rotating shaft (14), and a plurality of positioning pins (16) arranged on the top surface of the wheel hub positioning block (15); a locking piece (5) is used to lock the rotating shaft (14) on the sleeve ring (3); and a pressing handle (10) is detachably connected to the plurality of positioning pins (16).

3. A wheel hub detection mechanism according to claim 2, characterized in that: The collar (3) is provided with a through hole (17) in the radial direction, the rotating shaft (14) is provided with a positioning hole (18) in the radial direction for communicating with the through hole (17), and the locking member (5) is a latch member which can be inserted into the through hole (17) and the positioning hole (18).

4. A wheel hub detection mechanism according to claim 1, characterized in that: The wheel hub detection mechanism also includes a limit pin (19), the fixed seat (8) is provided with a sliding sleeve (20), the lifting rod (9) and the sliding sleeve (20) are slidably matched, the side wall of the sliding sleeve (20) is provided with a plug hole (21), the lifting rod (9) is provided with a plurality of lifting limit holes (22) in the height direction, the plug hole (21) is used to communicate with one of the lifting limit holes (22), and the limit pin (19) is inserted into the corresponding lifting limit hole (22) via the plug hole (21).

5. A wheel hub detection mechanism according to claim 1, characterized in that: The upper side profile detection assembly (11) comprises a first mounting seat (23) mounted on a base (1), a flip arm (24) rotatably connected to the first mounting seat (23), an upper side dial indicator (25) mounted on an end of the flip arm (24) away from the first mounting seat (23), and a locking member (26) for locking the flip arm (24) to the first mounting seat (23); the flip arm (24) can be rotated relative to the first mounting seat (23) to a vertical state or a horizontal state.

6. A wheel hub detection mechanism according to claim 1, characterized in that: The peripheral side and lower side profile detection assembly (12) comprises a second mounting seat (27) mounted on the base (1) and a peripheral side dial indicator (28) and a lower side dial indicator (29) respectively mounted on the top of the second mounting seat (27); the peripheral side dial indicator (28) and the lower side dial indicator (29) are arranged vertically.

7. A wheel hub detection mechanism according to claim 1, characterized in that: Two handles (30) are installed on the bottom surface of the detection platform (6), and the two handles (30) are symmetrically arranged.

8. A wheel hub detection mechanism according to claim 1, characterized in that: A plurality of tool fixing rings (31) are arranged on the top surface of the base (1).

9. A wheel hub detection mechanism according to claim 1, characterized in that: A center hole (32) is provided in the middle of the detection platform (6), and the wheel hub positioning assembly (4) is located in the center hole (32).

Images