CN216694934U - Concentricity measuring instrument for automobile hub bearing - Google Patents

Abstract

The utility model discloses an automobile hub bearing concentricity measuring instrument, which relates to the technical field of concentricity measuring instruments and comprises a mounting plate and a fixed base, and further comprises a shielding structure capable of protecting a detecting head, a clamping structure for preventing a bearing from position deviation and a more stable rotating structure capable of rotating, wherein supporting legs are arranged on two sides of the bottom end of the fixed base, a mounting box is arranged on one side of the top end of the fixed base, the rotating structure is mounted in the mounting box, a connecting layer is mounted at the top end of the mounting box, the mounting plate is arranged above the connecting layer, a placing frame is mounted in the middle of the top end of the mounting plate, and a bearing body is sleeved on the outer side of the placing frame. According to the utility model, the clamping groove and the shielding cover are arranged, and the shielding cover is limited by matching the clamping block and the clamping groove, so that the touch of the detecting head is reduced, the protection of the detecting head is increased, and the unnecessary loss caused by the damage of the detecting head due to accidental touch is prevented.

Description

Concentricity measuring instrument for automobile hub bearing

Technical Field

The utility model relates to the technical field of concentricity measuring instruments, in particular to an automobile hub bearing concentricity measuring instrument.

Background

The concentricity measuring instrument can carry out the detection of inside and outside diameter to wheel hub's bearing, reduces the appearance of substandard product bearing, can in time screen, but traditional concentricity measuring instrument can't protect to the detecting head when using, and wheel hub's bearing hardness is great usually, can cause certain wearing and tearing, causes the unnecessary loss.

Through retrieval, Chinese patent No. CN 206330543U, Announcement date, 2017, 07.14.s, discloses a concentricity measuring instrument, which comprises a lower flat plate, wherein four corners of the bottom of the lower flat plate are respectively provided with a ground foot, the ground feet are connected with the bottom of the lower flat plate through screws, four corners of the top of the lower flat plate are respectively fixedly connected with a supporting column through screws, the top of the supporting column is provided with an upper flat plate, four corners of the bottom of the upper flat plate are respectively fixedly connected with the tops of four groups of supporting columns through screws, both the left end and the right end of the top of the upper flat plate are respectively fixedly provided with an external electrical measuring probe sensor fixing frame through screws, the concentricity measuring instrument is positioned by an inner diameter, the coaxiality of the outer diameter relative to the inner diameter is measured, high-precision electrical probe sensors are arranged inside and outside, the measured value is accurate and reliable, the repeatability precision is high, and the probe cannot be protected, therefore, the present invention is made in view of the above problems, and the present invention is made in an extensive manner.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a concentricity measuring instrument for an automobile hub bearing, which aims to solve the problems that a detection head cannot be protected, the rotation is not stable enough during detection, and the hub bearing cannot be fixed in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a concentricity measuring instrument for an automobile hub bearing comprises a mounting plate, a fixed base, a shielding structure capable of protecting a detecting head, a clamping structure for preventing the bearing from position deviation and a more stable rotating structure capable of rotating;

the two sides of the bottom end of the fixed base are both provided with supporting legs, one side of the top end of the fixed base is provided with a mounting box, and the rotating structure is mounted inside the mounting box;

the top end of the mounting box is provided with a connecting layer, a mounting plate is arranged above the connecting layer, a placing frame is arranged in the middle of the top end of the mounting plate, a bearing body is sleeved outside the placing frame, and the clamping structures are arranged on two sides of the outer portion of the mounting plate;

the display screen is installed to the opposite side on unable adjustment base top, the intermediate position department on unable adjustment base top installs the PLC controller, and the one end on PLC controller top installs and places the box, place the top of box and install second driving motor, and second driving motor's output extends to the inside of placing the box and installs the threaded rod through the pivot, the outside cover of threaded rod is equipped with the sliding block, and the inside one end of sliding block has seted up the spout, the inside sliding connection of spout has the slide bar, place and install the bracing piece between the upper end of the outside one side of box and the lower extreme, the turning block is installed to one side of slide bar, and installs the outside diameter in one side of turning block and detect the head, shelter from the structural installation in the top that the outside diameter detected the head.

Preferably, it includes the connecting axle to shelter from the structure, the connecting axle is installed in the inside of turning block, and the outside cover of connecting axle is equipped with and shelters from the lid, the connecting rod is installed to one side that the external diameter detected the overhead end, and the inside sliding connection of connecting rod has the telescopic link, the internal diameter is installed to the bottom of connecting rod and is detected the head, the intermediate position department of connecting rod one end installs the locating piece, and the one end of telescopic link seted up with locating piece assorted constant head tank.

Preferably, clamping structure includes fixed plate, grip block, impulse beam and cushion, the fixed plate is installed in the outside on mounting panel top, and the upper end of fixed plate one side all is provided with the impulse beam, the grip block is installed to one side that one side of impulse beam extended to the fixed plate, and one side of grip block installs the cushion.

Preferably, revolution mechanic includes driving gear, first driving motor, driven gear and axis of rotation, first driving motor installs in one side of the inside bottom of mounting box, and the driving gear is installed through the pivot to first driving motor's output, the axis of rotation is installed to the intermediate position department of the inside bottom of mounting box, and the outside last pot head of axis of rotation is equipped with driven gear, the top of axis of rotation is connected with the bottom of mounting panel.

Preferably, the driving gear is a half gear, the driven gear is a full gear, and the driven gear and the driving gear are meshed with each other.

Preferably, a clamping block is arranged on one side of the top end of the rotating block, and a clamping groove matched with the connecting shaft is formed in the outer side of the connecting shaft at an equal angle.

Preferably, the clamping block is T-shaped, and the bottom end of the clamping block penetrates through and extends into the connecting shaft.

Preferably, the inside top of connecting rod and bottom have all been seted up the sliding tray, and the top and the bottom of telescopic link all are provided with the slider that matches with the sliding tray, constitute sliding structure through sliding tray and slider sliding connection between telescopic link and the connecting rod simultaneously.

Compared with the prior art, the automobile hub bearing concentricity measuring instrument provided by the utility model has the following beneficial effects:

1. the utility model provides a connecting rod, an outer diameter detection head, an inner diameter detection head, a clamping block, a clamping groove and a shielding cover, wherein the connecting rod is folded and is close to the outer diameter detection head, the shielding cover is turned over again and shields the outer diameter detection head and the inner diameter detection head, and then the shielding cover is limited through the matching between the clamping block and the clamping groove, so that the touch of the outer diameter detection head and the inner diameter detection head is reduced, the protection of a detection head is increased, the damage of the detection head caused by accidental touch is prevented, unnecessary loss is caused, the stability in use is increased, and the problem of inconvenient protection is solved;

2. the utility model provides a first driving motor, a driving gear, a driven gear, a mounting plate, a placing frame and a bearing body, wherein the driving gear is driven to rotate by the rotation of the first driving motor, the driving gear and the driven gear are meshed with each other and drive the driven gear to rotate, the driven gear can drive the mounting plate and the placing frame to rotate during rotation, so that the bearing body starts to rotate at a constant speed, and in order to avoid the condition of inaccurate detection caused by high-speed rotation, the bearing body can rotate and stop at fixed time through the matching of the driving gear and the driven gear, so that the detection is more accurate, the accuracy in use is increased, and the problem of instability is solved;

3. the utility model provides a push rod, a clamping plate, a bearing body and a cushion, wherein the push rod is rotated to push the clamping plate to clamp the bearing body, and the clamping plate and the cushion are both arc-shaped and can be tightly attached to the bearing body, so that the situation of position deviation of the bearing body in the detection process can be effectively avoided, the flexibility in use is increased, and the problem that the position limitation cannot be realized is solved.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic top cross-sectional view of the present invention;

FIG. 4 is a schematic side cross-sectional structural view of the shielding structure of the present invention;

fig. 5 is an enlarged schematic view of the utility model at a in fig. 1.

In the figure: 1. a bearing body; 2. mounting a plate; 3. a clamping structure; 301. a fixing plate; 302. a clamping plate; 303. a push rod; 304. a soft cushion; 4. a connecting layer; 5. a rotating structure; 501. a driving gear; 502. a first drive motor; 503. a driven gear; 504. a rotating shaft; 6. a fixed base; 7. a support leg; 8. mounting a box; 9. a PLC controller; 10. placing a box; 11. a slider; 12. a slide bar; 13. a display screen; 14. a support bar; 15. a threaded rod; 16. a shielding cover; 17. an outer diameter detection head; 18. an inner diameter detection head; 19. placing a rack; 20. a second drive motor; 21. a chute; 22. a connecting shaft; 23. rotating the block; 24. a card slot; 25. a clamping block; 26. a connecting rod; 27. a sliding groove; 28. a slider; 29. a telescopic rod; 30. positioning blocks; 31. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-5, a concentricity measuring instrument for a bearing of an automobile hub comprises a mounting plate 2, a fixed base 6, a shielding structure capable of protecting a probe, a clamping structure 3 for preventing the bearing from position deviation, and a more stable rotating structure 5 capable of rotating;

the two sides of the bottom end of the fixed base 6 are both provided with supporting legs 7, one side of the top end of the fixed base 6 is provided with a mounting box 8, and the rotating structure 5 is mounted inside the mounting box 8;

the top end of the mounting box 8 is provided with a connecting layer 4, the mounting plate 2 is arranged above the connecting layer 4, the middle position of the top end of the mounting plate 2 is provided with a placing frame 19, the outer side of the placing frame 19 is sleeved with the bearing body 1, and the clamping structures 3 are arranged on two sides of the outer part of the mounting plate 2;

the other side of the top end of the fixed base 6 is provided with a display screen 13, the middle position of the top end of the fixed base 6 is provided with a PLC 9, the model of the PLC controller 9 may be DVP40ES200T, and one end of the top end of the PLC controller 9 is installed with a placing box 10, the top end of the placing box 10 is installed with a second driving motor 20, the second drive motor 20 may be of the type RDX-101-V36F5E13, and the output end of the second driving motor 20 extends to the interior of the placing box 10 through the rotating shaft and is provided with a threaded rod 15, the outer side of the threaded rod 15 is sleeved with a sliding block 11, and one end of the inside of the sliding block 11 is provided with a sliding chute 21, the inside of the sliding chute 21 is connected with a sliding rod 12 in a sliding way, a supporting rod 14 is arranged between the upper end and the lower end of one side of the outside of the placing box 10, one side of the sliding rod 12 is provided with a rotating block 23, an outer diameter detection head 17 is arranged on one side of the rotating block 23, and a shielding structure is arranged above the outer diameter detection head 17;

referring to fig. 1-5, an automobile hub bearing concentricity measuring instrument further comprises a shielding structure, the shielding structure comprises a connecting shaft 22, the connecting shaft 22 is installed inside a rotating block 23, a shielding cover 16 is sleeved outside the connecting shaft 22, a connecting rod 26 is installed on one side of the top end of an outer diameter detection head 17, a telescopic rod 29 is connected inside the connecting rod 26 in a sliding manner, an inner diameter detection head 18 is installed at the bottom end of the connecting rod 26, a positioning block 30 is installed in the middle of one end of the connecting rod 26, and a positioning groove 31 matched with the positioning block 30 is formed in one end of the telescopic rod 29;

a clamping block 25 is arranged on one side of the top end of the rotating block 23, and a clamping groove 24 matched with the connecting shaft 22 is formed in the outer side of the connecting shaft 22 at an equal angle;

the fixture block 25 is T-shaped, and the bottom end of the fixture block 25 penetrates and extends into the connecting shaft 22;

the top end and the bottom end of the inside of the connecting rod 26 are both provided with sliding grooves 27, the top end and the bottom end of the telescopic rod 29 are both provided with sliding blocks 28 matched with the sliding grooves 27, and meanwhile, the telescopic rod 29 and the connecting rod 26 are connected in a sliding mode through the sliding grooves 27 and the sliding blocks 28 to form a sliding structure;

specifically, as shown in fig. 1, 4 and 5, the connecting rod 26 is folded and is close to the outer diameter detection head 17, the shielding cover 16 is turned over again, the outer diameter detection head 17 and the inner diameter detection head 18 are shielded, then the shielding cover 16 is limited through the matching between the clamping block 25 and the clamping groove 24, the touch of the outer diameter detection head 17 and the inner diameter detection head 18 is reduced, the protection of the detection head is increased, the damage of the detection head caused by accidental touch is prevented, unnecessary loss is caused, and the stability in use is improved.

Example 2: the clamping structure 3 comprises a fixed plate 301, a clamping plate 302, a pushing rod 303 and a cushion 304, wherein the fixed plate 301 is installed on the outer side of the top end of the mounting plate 2, the pushing rod 303 is arranged at the upper end of one side of the fixed plate 301, the clamping plate 302 is installed on one side of the pushing rod 303 extending to one side of the fixed plate 301, and the cushion 304 is installed on one side of the clamping plate 302;

specifically, as shown in fig. 1, fig. 2 and fig. 3, the clamping plate 302 can be pushed to clamp the bearing body 1 by rotating the pushing rod 303, and since the clamping plate 302 and the cushion 304 are both arc-shaped, the clamping plate can be attached to the bearing body 1 more closely, the situation that the position of the bearing body 1 deviates in the detection process can be effectively avoided, and the flexibility in use is increased.

Example 3: the rotating structure 5 comprises a driving gear 501, a first driving motor 502, a driven gear 503 and a rotating shaft 504, the first driving motor 502 is installed on one side of the bottom end inside the installation box 8, the type of the first driving motor 502 can be DMK22-DEC2238, the driving gear 501 is installed at the output end of the first driving motor 502 through a rotating shaft, the rotating shaft 504 is installed at the middle position of the bottom end inside the installation box 8, the driven gear 503 is sleeved at the upper end outside the rotating shaft 504, and the top end of the rotating shaft 504 is connected with the bottom end of the installation plate 2;

the driving gear 501 is a half gear, the driven gear 503 is a full gear, and the driven gear 503 and the driving gear 501 are meshed with each other;

specifically, as shown in fig. 1 and fig. 2, the driving gear 501 is driven to rotate by the rotation of the first driving motor 502, the driving gear 501 and the driven gear 503 are engaged with each other and drive the driven gear 503 to rotate, the driven gear 503 can drive the mounting plate 2 and the rack 19 to rotate when rotating, so that the bearing body 1 starts to rotate at a constant speed, in order to avoid the situation that the detection is inaccurate due to the high-speed rotation, the bearing body 1 can rotate and stop at regular time by the matching of the driving gear 501 and the driven gear 503, so that the detection is more accurate, and the accuracy in use is improved.

The output end of the PLC controller 9 is electrically connected to the input ends of the first driving motor 502 and the second driving motor 20 through wires.

The working principle is as follows: when the device is used, the bearing body 1 is firstly placed on the outer side of the placing frame 19, and the preliminary position adjustment is carried out;

the first innovation point implementation step:

the first step is as follows: the bearing body 1 can be clamped by pushing the clamping plate 302 by rotating the pushing rod 303, and the clamping plate 302 and the soft cushion 304 are both arc-shaped and can be attached to the bearing body 1 more tightly;

the second step is that: the condition that the position of the bearing body 1 deviates in the detection process can be effectively avoided, and the flexibility in use is improved.

The second innovation point implementation step:

the first step is as follows: the threaded rod 15 rotates to drive the sliding block 11 to move upwards, the sliding groove 21 in the sliding block 11 is an electric sliding rail and can push the sliding rod 12 to move to one side, so that the outer diameter detection head 17 and the bearing body 1 are in mutual contact, the length of the connecting rod 26 is adjusted according to the diameters of different bearing bodies 1, the positioning block 30 is taken out from the positioning groove 31, and the telescopic rod 29 is pulled in the connecting rod 26 to adjust the length of the connecting rod 26, so that the bearing bodies 1 with different diameters can be conveniently adapted;

the second step is that: then, the length of the connecting rod 26 is fixed through the positioning block 30 and the positioning groove 31, and then the fixture block 25 is taken out from the inside of the clamping groove 24, so that the shielding cover 16 can be movably turned over, the inner diameter detection head 18 extends to the inside of the bearing body 1 to detect the inner diameter of the bearing body 1, and meanwhile, the outer diameter detection head 17 detects the outer diameter;

the third step: after the use, because connecting rod 26 is the hinge bar, can fold, detect head 17 with connecting rod 26 is folding and be close to the external diameter, shelter from lid 16 and detect head 17 and internal diameter with the external diameter through overturning once more and shelter from head 18, then will shelter from lid 16 through the cooperation between fixture block 25 and the draw-in groove 24 and carry on spacingly, reduce the touching that detects head 18 to the external diameter detection head 17 and internal diameter, increase the protection to the detecting head, prevent to cause the damage of detecting head because of unexpected touching, lead to the unnecessary loss, increase the stability during use.

The third innovation point implementation step:

the first step is as follows: during detection, the driving gear 501 is driven to rotate through the rotation of the first driving motor 502, the driving gear 501 is meshed with the driven gear 503 and drives the driven gear 503 to rotate, and the driven gear 503 can drive the mounting plate 2 and the placing rack 19 to rotate when rotating, so that the bearing body 1 starts to rotate at a constant speed;

the second step is that: in order to avoid the situation that detection is inaccurate due to high-speed rotation, the bearing body 1 can rotate and stop at regular time through the matching of the driving gear 501 and the driven gear 503, so that the detection is more accurate, and the accuracy in use is improved.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an automobile wheel hub bearing concentricity measuring apparatu, includes mounting panel (2) and unable adjustment base (6), its characterized in that: the device also comprises a shielding structure capable of protecting the probe, a clamping structure (3) for preventing the bearing from position deviation and a more stable rotating structure (5) capable of rotating; the supporting legs (7) are mounted on two sides of the bottom end of the fixed base (6), the mounting box (8) is mounted on one side of the top end of the fixed base (6), and the rotating structure (5) is mounted inside the mounting box (8); the mounting box is characterized in that a connecting layer (4) is mounted at the top end of the mounting box (8), a mounting plate (2) is arranged above the connecting layer (4), a placing frame (19) is mounted in the middle of the top end of the mounting plate (2), a bearing body (1) is sleeved outside the placing frame (19), and the clamping structures (3) are mounted on two sides of the outer portion of the mounting plate (2); the display screen (13) is installed to the opposite side on unable adjustment base (6) top, the intermediate position department on unable adjustment base (6) top installs PLC controller (9), and the one end on PLC controller (9) top is installed and is placed box (10), place the top of box (10) and install second driving motor (20), and the output of second driving motor (20) extends to the inside of placing box (10) and install threaded rod (15) through the pivot, the outside cover of threaded rod (15) is equipped with sliding block (11), and the inside one end of sliding block (11) has seted up spout (21), the inside sliding connection of spout (21) has slide bar (12), place and install bracing piece (14) between the upper end and the lower extreme of box (10) outside one side, turning block (23) are installed to one side of slide bar (12), and outside diameter detection head (17) is installed to one side of turning block (23), the shielding structure is arranged above the outer diameter detection head (17).

2. The automobile hub bearing concentricity measuring instrument according to claim 1, wherein: the shielding structure comprises a connecting shaft (22), the connecting shaft (22) is installed in the rotating block (23), a shielding cover (16) is sleeved on the outer side of the connecting shaft (22), a connecting rod (26) is installed on one side of the top end of the outer diameter detection head (17), a telescopic rod (29) is connected to the inner sliding portion of the connecting rod (26), an inner diameter detection head (18) is installed at the bottom end of the connecting rod (26), a positioning block (30) is installed at the middle position of one end of the connecting rod (26), and a positioning groove (31) matched with the positioning block (30) is formed in one end of the telescopic rod (29).

3. The automobile hub bearing concentricity measuring instrument of claim 1, wherein: clamping structure (3) are including fixed plate (301), grip block (302), impulse beam (303) and cushion (304), fixed plate (301) are installed in the outside on mounting panel (2) top, and the upper end of fixed plate (301) one side all is provided with impulse beam (303), grip block (302) are installed to one side that one side of impulse beam (303) extends to fixed plate (301), and cushion (304) are installed to one side of grip block (302).

4. The automobile hub bearing concentricity measuring instrument according to claim 1, wherein: revolution mechanic (5) include driving gear (501), first driving motor (502), driven gear (503) and axis of rotation (504), install in one side of the inside bottom of mounting box (8) first driving motor (502), and driving gear (501) are installed through the pivot to the output of first driving motor (502), axis of rotation (504) are installed to the intermediate position department of the inside bottom of mounting box (8), and the outside last pot head of axis of rotation (504) is equipped with driven gear (503), the top of axis of rotation (504) is connected with the bottom of mounting panel (2).

5. The automobile hub bearing concentricity measuring instrument of claim 4, wherein: the driving gear (501) is a half gear, the driven gear (503) is a full gear, and the driven gear (503) and the driving gear (501) are meshed with each other.

6. The automobile hub bearing concentricity measuring instrument of claim 1, wherein: one side of the top end of the rotating block (23) is provided with a clamping block (25), and the outer side of the connecting shaft (22) is provided with clamping grooves (24) matched with the connecting shaft (22) at equal angles.

7. The automobile hub bearing concentricity measuring instrument of claim 6, wherein: the clamping block (25) is T-shaped, and the bottom end of the clamping block (25) penetrates through and extends into the connecting shaft (22).

8. The automobile hub bearing concentricity measuring instrument of claim 2, wherein: sliding tray (27) have all been seted up to the inside top of connecting rod (26) and bottom, and the top and the bottom of telescopic link (29) all be provided with sliding tray (27) assorted slider (28), constitute sliding structure through sliding tray (27) and slider (28) sliding connection between telescopic link (29) and connecting rod (26) simultaneously.

Images