CN213600050U

CN213600050U - Bearing device for detecting roundness of automobile wheel pair

Info

Publication number: CN213600050U
Application number: CN202022573225.XU
Authority: CN
Inventors: 江训涛
Original assignee: Shanghai Strontium Technology Co ltd
Current assignee: Wuhan Automobile Bodywork Accessory Research Institute Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-02
Anticipated expiration: 2030-11-10

Abstract

The utility model relates to a roundness detection technical field, in particular to a bearing device for detecting roundness of automobile wheel pair, which comprises an object stage, wherein a fixed block at the center of the upper end of the object stage is connected with a central column, a through hole is arranged in the central column, a rotating shaft is arranged in the through hole, a knob is fixedly connected with the top end of the rotating shaft, a plurality of chutes are arranged at the upper end of the object stage, the chutes are distributed around the central column in a cross shape, wheels are arranged at the upper end of the object stage, a through hole is arranged at the center of each wheel, the upper end of the central column penetrates through the through hole, an extrusion block is arranged in the chute and is positioned at the inner side of the inner ring of each wheel, the bearing device can automatically adjust the position of each wheel, so that the wheel can be moved to the center of the object stage, the roundness detection is, the roundness detection device is suitable for roundness detection of wheels of various models.

Description

Bearing device for detecting roundness of automobile wheel pair

Technical Field

The utility model relates to a roundness detection technical field specifically is a car wheel is to roundness detection with bearing device.

Background

The wheel set is the part of the rolling stock contacting with the steel rail and consists of left and right wheels firmly pressed on the same axle. The wheel pair is used to ensure the running and steering of the rolling stock on the rail, bear all static and dynamic loads from the rolling stock, transfer the static and dynamic loads to the rail and transfer the loads generated by the irregularity of the lines to the parts of the rolling stock. The circularity is one of the monitoring items of the important performance parameter index of wheel, and it is related to the stability that the later stage car went, so the car wheel is to need carrying out roundness detection after production, but carries out roundness detection time measuring at the wheel to the wheel at both ends, and the wheel load bearing device on the current roundness detection appearance can not change its wheel fixing device's size according to the wheel of different models size, and the circularity that can't be applicable to the wheel of multiple model detects, for this reason, the utility model provides a car wheel is used for solving above-mentioned problem to load bearing device for roundness detection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car wheel is to roundness detection with bearing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bearing device for roundness detection of automobile wheel pairs comprises an object stage, wherein a central column is connected to a fixed block at the center of the upper end of the object stage, a through hole is formed in the central column, a rotating shaft is arranged in the through hole, a knob is fixedly connected to the end part of the top end of the rotating shaft, a plurality of sliding chutes are formed in the upper end of the object stage, the sliding chutes are distributed around the central column in a cross shape, wheels are arranged at the upper end of the object stage, a through hole is formed in the center of each wheel, the through hole penetrates through the upper end of the central column, an extrusion block is arranged in each sliding chute and located on the inner side of an inner ring of each wheel, a cavity is formed in the object stage, a through hole is formed in the center of the upper end of the object stage, the lower end of the rotating shaft penetrates through the through hole and extends into the, first draw-in groove has been seted up to the upper end of first fixed block, the inside fixed mounting of first draw-in groove has first bearing, the lower extreme tip of pivot and the inner wall fixed connection of first bearing, the lower extreme of pivot is provided with the driving gear, the inside of objective table is provided with the screw rod, the one end fixedly connected with driven gear of screw rod, driven gear is connected with the driving gear meshing, the lower extreme and the screw rod fixed connection of extrusion piece, fixedly connected with second fixed block on the inside lateral wall of objective table, the second draw-in groove has been seted up to one side of second fixed block, the inside fixed mounting of second draw-in groove has the second bearing, the other end of screw rod and the inner wall fixed connection of second bearing.

Preferably, the rotating shaft, the knob and the driving gear are arranged into an integral structure, and the screw and the driven gear are arranged into an integral structure.

Preferably, a threaded hole is formed in the lower end of the extrusion block, the extrusion block is connected with the screw rod through internal and external threads, and the extrusion block is connected with the sliding groove in a sliding mode.

Preferably, the number of the extrusion blocks is four, the upper end of each extrusion block is arc-shaped, and the four extrusion blocks are circularly distributed on the periphery of the central column.

Preferably, the screw rods are four and are symmetrically distributed in the object stage in a cross shape, the second fixed blocks are four and are symmetrically arranged on the side walls of the four sides in the object stage, and the screw rods are rotatably connected with the second fixed blocks through second bearings.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the bearing device is characterized in that a central column is arranged at the center of an objective table of the bearing device, a through hole is formed in the central column, a rotating shaft is installed in the through hole, a sliding groove is formed in the upper side of the objective table, extrusion blocks are arranged in the sliding groove and distributed outside the central column in a circular mode, the through hole in the center of a wheel is clamped outside the central column, the wheel is stably placed on the objective table, the inner ring of the wheel is extruded by driving the extrusion blocks through rotating the rotating shaft, the wheel is automatically adjusted to the center of the objective table, and the wheel is fixed on the objective table, so that the roundness of the wheel can be accurately detected;

2. the inside of the objective table is provided with a cavity, a first fixed block is arranged on the inner wall of the bottom of the objective table, a first bearing is arranged in a first clamping groove at the upper end of the first fixed block, the bottom end of the rotating shaft is fixedly connected with the inner wall of the first bearing, a driving gear is arranged at the lower end of the rotating shaft, four screw rods are arranged inside the objective table, a driven gear is arranged at one end of each screw rod, the driving gear drives the driven gear to rotate, and an extrusion block arranged on the driven gear can move back and forth;

3. the bearing device can automatically adjust the position of the wheel, so that the wheel can be moved to the center of the objective table, the roundness detection is more accurate, the fixing device can be adjusted according to the size of the wheel, and the bearing device is suitable for roundness detection of wheels of various types.

Drawings

Fig. 1 is a schematic structural view of the carrying device of the present invention;

FIG. 2 is a top view of the connection structure between the carrying device and the wheel of the present invention;

FIG. 3 is a top view of the carrying device of the present invention;

fig. 4 is a schematic view of the structure of the extrusion block of the present invention.

In the figure: objective table 1, center post 2, pivot 3, knob 4, spout 5, extrusion piece 6, wheel 7, first fixed block 8, first draw-in groove 9, first bearing 10, driving gear 11, screw rod 12, driven gear 13, second fixed block 14, second draw-in groove 15, second bearing 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a bearing device for detecting the roundness of an automobile wheel pair comprises an object stage 1, wherein a central column 2 is connected with a fixed block at the center of the upper end of the object stage 1, a through hole is formed in the inner part of the central column 2, a rotating shaft 3 is arranged in the through hole, a knob 4 is fixedly connected to the end part of the top end of the rotating shaft 3, the rotating knob 4 drives the rotating shaft 3 to rotate, a plurality of sliding chutes 5 are formed in the upper end of the object stage 1, the sliding chutes 5 are distributed around the central column 2 in a cross shape, wheels 7 are arranged at the upper end of the object stage 1, a through hole is formed in the center of each wheel 7, the upper end of the central column 2 penetrates through the through hole, extrusion blocks 6 are arranged in the sliding chutes 5, the extrusion blocks 6 are positioned on the inner sides of inner rings of the wheels 7, a cavity is formed in the inner part of the object stage 1, a through hole is formed in the center of, the upper end of the first fixed block 8 is provided with a first clamping groove 9, a first bearing 10 is fixedly arranged in the first clamping groove 9, the lower end part of the rotating shaft 3 is fixedly connected with the inner wall of the first bearing 10, the lower end of the rotating shaft 3 is provided with a driving gear 11, a screw 12 is arranged in the objective table 1, one end of the screw 12 is fixedly connected with a driven gear 13, the driven gear 13 is meshed with the driving gear 11, the lower end of the extrusion block 6 is fixedly connected with the screw 12, the driving gear 11 at the lower end of the rotating shaft 3 starts to rotate and drives the driven gear 13 at the end part of the screw 12 to rotate, the screw 12 rotates and drives the extrusion block 6 connected on the screw 12 to move back and forth, the extrusion block 6 extrudes the inner ring of the wheel 7, the wheel 7 is moved to the center of the objective table 1 and is fixed, a second fixed block 14 is fixedly connected on the inner, a second bearing 16 is fixedly installed inside the second clamping groove 15, and the other end of the screw 12 is fixedly connected with the inner wall of the second bearing 16.

Furthermore, the rotating shaft 3, the knob 4 and the driving gear 11 are arranged into an integral structure, the screw 12 and the driven gear 13 are arranged into an integral structure, a threaded hole is formed in the lower end of the extrusion block 6, the extrusion block 6 is in threaded connection with the screw 12, the extrusion block 6 is in sliding connection with the sliding groove 5, the driving gear 11 drives the driven gear 13 to rotate, and the extrusion block 6 arranged on the driven gear 13 can move back and forth;

further, the extrusion piece 6 is provided with four, the upper end of extrusion piece 6 sets up to arc, four extrusion pieces 6 are the periphery of circular distribution at center post 2, screw rod 12 is provided with four, and be the inside of cross symmetric distribution at objective table 1, second fixed block 14 is provided with four, and the symmetry is installed on four inside lateral walls of objective table 1, screw rod 12 rotates with second fixed block 14 through second bearing 16 and is connected, this bearing device can automatically regulated wheel 7's position, make it remove objective table 1 central authorities, make roundness detection more accurate, can also adjust fixing device according to wheel 7 size, be applicable to the roundness detection of wheel 7 of various models.

The working principle is as follows: when the bearing device is used, firstly, a central through hole of a wheel 7 is aligned to a central column 2, the wheel 7 is clamped on the outer side of the central column 2, then the wheel 7 is lightly placed on an objective table 1, then a knob 4 is rotated to drive a rotating shaft 3 to rotate, a driving gear 11 at the lower end of the rotating shaft 3 starts to rotate and drives a driven gear 13 at the end part of a screw 12 to rotate, the screw 12 rotates to drive an extrusion block 6 connected to the screw 12 to move back and forth, the extrusion block 6 extrudes an inner ring of the wheel 7, the wheel 7 is moved to the center of the objective table 1 and fixed, and then roundness detection can be carried out; the bearing device is characterized in that a central column 2 is arranged at the center of an objective table 1, a through hole is formed in the central column 2, a rotating shaft 3 is installed in the through hole, a sliding groove 5 is formed in the upper side of the objective table 1, an extrusion block 6 is arranged in the sliding groove 5, the extrusion block 6 is distributed outside the central column 2 in a circular shape, the through hole in the center of a wheel 7 is clamped outside the central column 2, the wheel 7 is stably placed on the objective table 1, the extrusion block 6 is driven to extrude the inner ring of the wheel 7 by rotating the rotating shaft 3, the wheel 7 is automatically adjusted to the center of the objective table 1, the wheel 7 is fixed on the objective table 1, the roundness of the wheel 7 can be accurately detected, the inner part of the objective table 1 is provided with a cavity, a first fixing block 8 is arranged on the inner wall of the bottom of the bearing device, a first bearing 10 is installed in a first clamping groove 9 at the upper end of the first fixing, set up driving gear 11 at the lower extreme of pivot 3, set up four screw rods 12 in objective table 1's inside, the one end of screw rod 12 has set up driven gear 13, driving gear 11 drives driven gear 13 and has rotated, install extrusion block 6 on driven gear 13 and just can the back-and-forth movement, this bears the position that the device can automatically regulated wheel 7, make it remove objective table 1 central authorities, make the roundness detection more accurate, can also adjust fixing device according to wheel 7 size, be applicable to the roundness detection of the wheel 7 of various models.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a car wheel pair roundness detection is with bearing device, includes objective table (1), its characterized in that: the center of the upper end of the objective table (1) is fixedly connected with a center column (2), a through hole is formed in the center column (2), a rotating shaft (3) is arranged in the through hole, a knob (4) is fixedly connected to the end part of the top end of the rotating shaft (3), a plurality of sliding chutes (5) are formed in the upper end of the objective table (1), the sliding chutes (5) are distributed around the center column (2) in a cross shape, wheels (7) are arranged at the upper end of the objective table (1), the through hole is formed in the center of each wheel (7), the through hole penetrates through the upper end of the center column (2), extrusion blocks (6) are arranged in the sliding chutes (5), the extrusion blocks (6) are located on the inner sides of the inner rings of the wheels (7), a cavity is formed in the objective table (1), and a through hole is formed in the center of the upper end of the, the lower end of the rotating shaft (3) penetrates through the through hole and extends into the inside of the objective table (1), a first fixing block (8) is fixedly connected to the inner wall of the center of the bottom of the objective table (1), a first clamping groove (9) is formed in the upper end of the first fixing block (8), a first bearing (10) is fixedly mounted inside the first clamping groove (9), the end portion of the lower end of the rotating shaft (3) is fixedly connected with the inner wall of the first bearing (10), a driving gear (11) is arranged at the lower end of the rotating shaft (3), a screw rod (12) is arranged inside the objective table (1), a driven gear (13) is fixedly connected to one end of the screw rod (12), the driven gear (13) is meshed with the driving gear (11), the lower end of the extrusion block (6) is fixedly connected with the screw rod (12), a second fixing block (14) is fixedly connected to the side wall inside the objective table (1, a second clamping groove (15) is formed in one side of the second fixing block (14), a second bearing (16) is fixedly mounted inside the second clamping groove (15), and the other end of the screw rod (12) is fixedly connected with the inner wall of the second bearing (16).

2. The carrying device for detecting the roundness of the wheel pair of an automobile according to claim 1, wherein: the rotary shaft (3), the knob (4) and the driving gear (11) are arranged into an integral structure, and the screw rod (12) and the driven gear (13) are arranged into an integral structure.

3. The carrying device for detecting the roundness of the wheel pair of an automobile according to claim 1, wherein: the screw-type extrusion device is characterized in that a threaded hole is formed in the lower end of the extrusion block (6), the extrusion block (6) is in threaded connection with the screw rod (12) in an internal and external mode, and the extrusion block (6) is in sliding connection with the sliding groove (5).

4. The carrying device for detecting the roundness of the wheel pair of an automobile according to claim 1, wherein: the four extrusion blocks (6) are arranged, the upper ends of the extrusion blocks (6) are arc-shaped, and the four extrusion blocks (6) are circularly distributed on the periphery of the central column (2).

5. The carrying device for detecting the roundness of the wheel pair of an automobile according to claim 1, wherein: the four screw rods (12) are symmetrically distributed in the object stage (1) in a cross shape, the four second fixing blocks (14) are symmetrically arranged on the four side walls in the object stage (1), and the screw rods (12) are rotatably connected with the second fixing blocks (14) through second bearings (16).