Rim welding coaxiality detection device

Abstract

The utility model discloses a rim welding coaxiality detection device, which comprises a base, a supporting column, a rotating disc and a rim welding part, the supporting column is perpendicular to the base and is coaxially and fixedly connected with the base, the rotating disc is positioned at the top of the supporting column and is coaxially and rotatably connected with the supporting column, a flange is coaxially and fixedly arranged at the top of the rotating disc, and the rim welding part is positioned on the rotating disc. A plurality of positioning units are detachably, uniformly and fixedly arranged in the circumferential direction of the rotating disc, each positioning unit is fixedly provided with a positioning shaft, the rim welding part is placed on the rotating disc, the flange is sleeved with a rim center hole in a matched mode, and the positioning shafts are sleeved with rim mounting holes in a matched mode. The device is simple, practical, convenient to operate, convenient and efficient in measurement and small in measurement parameter error.

Description

Technical Field

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

[0002] The rims of construction machinery such as internal combustion counterbalanced forklifts, excavators, and loaders usually use rim welded parts, which are responsible for bearing vehicle weight, transmitting power, supporting tires, etc. As a rotating motion component, the coaxiality requirements must be met first. However, rim welds are deformed during the processing, especially during welding, which affects their coaxiality. Driving the vehicle on flat roads will also be bumpy, resulting in a poor driving experience, which in turn affects the use of the entire machine. Therefore, before assembling tires, it is necessary for construction machinery manufacturers to conduct coaxiality testing on purchased rim welds to ensure that their coaxiality meets the requirements. Utility Model Content

[0003] The utility model aims to provide a rim weld coaxiality detection device which is simple to operate and convenient to measure, and performs coaxiality detection on purchased rim welds to ensure that the coaxiality meets the requirements.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A rim weld coaxiality detection device comprises a base, a support column, a rotating disk and a rim weld, wherein the support column is perpendicular to the base and coaxially fixedly connected to the base, the rotating disk is located on the top of the support column and coaxially rotatably connected to the support column, a flange is coaxially fixedly provided on the top of the rotating disk, a plurality of positioning units are detachably and evenly fixedly provided in the circumferential direction of the rotating disk, the positioning unit is fixedly provided with a positioning shaft, the rim weld is placed on the rotating disk, the rim center hole is matched to be sleeved on the flange, and the rim mounting hole is matched to be sleeved on the positioning shaft.

[0006] Furthermore, the rotating disk is coaxially provided with a bearing mounting hole, a retaining ring is fixedly arranged in the middle of the bearing mounting hole, two bearings are installed in the bearing mounting hole and are respectively located at the upper and lower ends of the retaining ring, the support column is fixedly connected to the inner ring of the bearing, a baffle is placed on the top of the bearing, and the baffle is fixedly connected to the support column by a tightening bolt.

[0007] Furthermore, the bearing is a tapered roller bearing, which is installed in reverse, and a retaining ring for positioning the inner ring of the bearing is arranged between the bearings. The support column is provided with a groove, and the retaining ring is fixedly installed in the groove.

[0008] Furthermore, the positioning unit includes a positioning plate and a positioning shaft, the positioning shaft is perpendicular to the positioning plate and coaxially fixedly connected to the positioning plate, the diameter of the positioning shaft matches the rim mounting hole, and the rotating disk is provided with a plurality of positioning holes evenly distributed circumferentially, the number and positions of the positioning holes match the number and positions of the rim mounting holes, and the positioning plate is fixedly connected to the rotating disk by bolts after the positioning shaft passes through the positioning hole.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The utility model is provided with a support column and a rotating disk, the rotating disk is rotatably connected to the support column through a tapered roller bearing, the rotating disk is provided with a flange and a positioning shaft, so that the rim welding is positioned on the rotating disk and can rotate around its own axis, and the micrometer can be used to realize the rim welding coaxiality measurement function. The utility model is simple and practical, easy to operate, convenient and efficient in measurement, and has small measurement parameter errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a cross-sectional view of the utility model;

[0013] Figure 3 It is a three-dimensional cross-sectional view of the rotating disk;

[0014] Figure 4 It is a three-dimensional diagram of rim welding;

[0015] Figure 5 It is the detection state diagram;

[0016] In the figure:

[0017] 1-base, 2-support column, 201-groove, 3-rotating disk, 301-bearing mounting hole, 302-retaining ring, 303-flange, 304-positioning hole, 4-bearing, 5-retaining ring, 6-baffle, 7-fastening bolt, 8-positioning unit, 801-positioning plate, 802-positioning shaft, 9-rim welding, 901-rim center hole, 902-rim mounting hole. DETAILED DESCRIPTION

[0018] The utility model is described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] See also Figure 1-Figure 5 , an embodiment provided by the utility model:

[0020] A rim weld coaxiality detection device comprises a base 1, a support column 2, a rotating disk 3 and a rim weld 9, wherein the support column 2 is perpendicular to the base 1 and is coaxially welded with the base 1 to ensure the overall stability of the device, the rotating disk 3 is located on the top of the support column 2 and is coaxially rotatably connected with the support column 2, a flange 303 is coaxially fixedly provided on the top of the rotating disk 3, a plurality of positioning units 8 are detachably and evenly fixedly provided in the circumferential direction of the rotating disk 3, which can enhance the assembly accuracy and facilitate replacement after wear, the positioning unit 8 is fixedly provided with a positioning shaft 802, the rim weld 9 is placed on the rotating disk 3, the rim center hole 901 is matched with the flange 303 and the rim mounting hole 902 is matched with the positioning shaft 802, so that the rim weld 9 is accurately positioned on the rotating disk 3.

[0021] Among them, the rotating disk 3 is coaxially opened with a bearing mounting hole 301, and a retaining ring 302 is fixedly arranged in the middle of the bearing mounting hole 301 for positioning the outer ring of the bearing 4. Two bearings 4 are installed in the bearing mounting hole 301 and are respectively located at the upper and lower ends of the retaining ring 302. The support column 2 is fixedly connected to the inner ring of the bearing 4. A baffle 6 is placed at the top of the bearing 4. The baffle 6 is fixedly connected to the support column 2 by a tightening bolt 7, so that the rotating disk 3 can stably and easily rotate around its own axis.

[0022] Among them, the bearing 4 is a tapered roller bearing, which is installed in reverse, which can improve the stiffness of the shaft system and ensure that the rim weld 9 can be easily rotated while ensuring good overall stability, thereby reducing labor intensity. A retaining ring 5 is arranged between the bearings 4 for positioning the inner ring of the bearing 4, and the support column 2 is provided with a groove 201, and the retaining ring 5 is fixedly installed in the groove 201.

[0023] Among them, the positioning unit 8 includes a positioning plate 801 and a positioning shaft 802. The positioning shaft 802 is perpendicular to the positioning plate 801 and is coaxially welded with the positioning plate 801. The diameter of the positioning shaft 802 matches the rim mounting hole 902. The rotating disk 3 is evenly distributed with a number of positioning holes 304. The number and positions of the positioning holes 304 match the number and positions of the rim mounting holes 902. The positioning plate 801 is fixedly connected to the rotating disk 3 by bolts after the positioning shaft 802 passes through the positioning hole 304.

[0024] When the coaxiality of the rim weld 9 is tested, Figure 5 As shown, the rim weld 9 is placed on the rotating disk 3 using a hanger, and the flange 303 is inserted into the rim center hole 901 and the positioning shaft 802 is inserted into the rim mounting hole 902 to achieve the positioning of the rim weld 9. Then, a micrometer is fixedly placed on the side of the rim weld 9, and the rim weld 9 is rotated to perform coaxiality detection.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rim weld coaxiality detection device, characterized in that: The invention comprises a base (1), a support column (2), a rotating disk (3) and a rim weld (9), wherein the support column (2) is perpendicular to the base (1) and is coaxially fixedly connected to the base (1), the rotating disk (3) is located on the top of the support column (2) and is coaxially rotatably connected to the support column (2), a flange (303) is coaxially fixedly arranged on the top of the rotating disk (3), a plurality of positioning units (8) are detachably and evenly fixedly arranged in a circumferential direction of the rotating disk (3), the positioning units (8) are fixedly provided with a positioning shaft (802), the rim weld (9) is placed on the rotating disk (3), the rim center hole (901) is matched with the flange (303) and the rim mounting hole (902) is matched with the positioning shaft (802).

2. A rim weld coaxiality detection device according to claim 1, characterized in that: The rotating disk (3) is coaxially provided with a bearing mounting hole (301), a retaining ring (302) is fixedly provided in the middle of the bearing mounting hole (301), two bearings (4) are installed in the bearing mounting hole (301) and are respectively located at the upper and lower ends of the retaining ring (302), the support column (2) is fixedly connected to the inner ring of the bearing (4), a retaining plate (6) is placed at the top of the bearing (4), and the retaining plate (6) is fixedly connected to the support column (2) via a fixing bolt (7).

3. A rim weld coaxiality detection device according to claim 2, characterized in that: The bearings (4) are tapered roller bearings, which are installed in reverse order. A retaining ring (5) for positioning the inner ring of the bearing (4) is provided between the bearings (4). The support column (2) is provided with a groove (201), and the retaining ring (5) is fixedly installed in the groove (201).

4. A rim weld coaxiality detection device according to claim 1, characterized in that: The positioning unit (8) comprises a positioning plate (801) and a positioning shaft (802); the positioning shaft (802) is perpendicular to the positioning plate (801) and is coaxially fixedly connected to the positioning plate (801); the diameter of the positioning shaft (802) matches the rim mounting hole (902); the rotating disk (3) is provided with a plurality of positioning holes (304) evenly distributed in the circumference; the number and positions of the positioning holes (304) match the number and positions of the rim mounting holes (902); and the positioning plate (801) is fixedly connected to the rotating disk (3) by bolts after the positioning shaft (802) passes through the positioning holes (304).

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