Rim bolt tightening test press fitting device

Abstract

The utility model relates to a rim bolt tightening test press-fitting device, which belongs to the technical field of rim bolt testing devices and comprises a base, a rim positioning and wrapping structure, a rim positioning and supporting structure and at least one rim limiting device. A positioning bolt and a plurality of limiting rods are arranged on the upper end face of the rim positioning and supporting structure, the rim limiting devices comprise stepping screws in threaded connection with the upper end of the wrapping shell, and pressing blocks are movably connected to the lower ends of the stepping screws and can abut against the rims. After the structure is adopted, the wheel rim testing device has the advantages that the displacement of the wheel rim can be limited through the wheel rim limiting device in the testing process, the position of the wheel rim is limited through the wheel rim positioning wrapping structure, the whole wheel rim is kept in the same horizontal plane, inaccurate factors caused by displacement generated when the wheel rim is tightened through bolts are eliminated, and the testing accuracy is improved. And the accuracy of experimental data is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel rim bolt testing devices, in particular to a wheel rim bolt tightening test press-fitting device. Background Art

[0002] The prior art wheel rim bolt tightening test is to sleeve the wheel rim onto five bolt columns that are positioned on the support structure, screw nuts onto the bolt columns in sequence, and then perform a tightening test on the product.

[0003] During the rim bolt tightening test, the following deficiencies exist: directly using the rim, bolts, and supporting structure for the tightening test, it is easy for the rim to be subjected to force in the vertical direction of the plane where the rim is located due to the tightening of the nut on a single bolt during the tightening process. That is, the remaining unthreaded nut positions of the rim will be warped relative to the threaded nut positions, resulting in inaccurate test data. Utility Model Content

[0004] The utility model aims to solve the above technical problems and provides a rim bolt tightening test press-fitting device.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0006] A rim bolt tightening test press-fitting device, comprising a base, a rim positioning wrapping structure, a rim positioning support structure, and at least one rim limiting device;

[0007] The wheel rim positioning and wrapping structure comprises two wrapping shells rotatably disposed on the upper surface of the base;

[0008] The wheel rim positioning support structure is fixedly arranged on the upper surface of the base, and a positioning bolt and a plurality of limiting rods are arranged on the upper end surface of the wheel rim positioning support structure;

[0009] The plurality of wheel rim limiting devices include a stepping screw threadedly connected to the upper end of the wrapping shell, and a pressing block is movably connected to the lower end of the stepping screw and the pressing block can abut against the wheel rim.

[0010] Preferably, a spherical body is installed at the lower end of the stepping screw, and a groove for cooperating with the spherical body is provided at the upper end of the pressing block.

[0011] Preferably, a pressing groove is provided at the lower end of the pressing block.

[0012] Preferably, the rim positioning support structure comprises a support column arranged on a base, and the positioning bolt and the limiting rod are arranged on the support column.

[0013] Preferably, a rotating shaft connected to the base via a bearing is installed at the lower end of the wrapping shell.

[0014] Preferably, fixing blocks are installed at opposite ends of the two wrapping shells, and the two fixing blocks are fixedly connected by bolts.

[0015] Preferably, a fixing nut is installed on the stepping screw.

[0016] Preferably, a threaded hole for cooperating with a stepping screw is provided at the upper end of the wrapping shell.

[0017] After adopting the above structure, the utility model has the following advantages:

[0018] The present application can limit the displacement of the rim through the rim limit device during the test, and limit the position of the rim through the rim positioning wrapping structure, so as to keep the rim as a whole in a horizontal plane, eliminate the inaccuracy caused by the displacement of the rim caused by tightening the bolts, and improve the accuracy of the experimental data.

[0019] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the wrapping shell of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the rim limiting device of the utility model;

[0024] Figure 4 It is a schematic diagram of the test results of the utility model.

[0025] As shown in the figure: 1. Base; 2. Rim positioning wrapping structure; 3. Wrapping shell; 31. Rotating shaft; 32. Fixed block; 4. Rim limiting device; 5. Stepping screw; 51. Fixed nut; 6. Pressure block; 7. Ball; 8. Groove; 9. Rim positioning support structure; 91. Positioning bolt; 92. Limit rod; 93. Support column; 10. Pressure groove. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0027] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0028] The utility model is further described in detail below in conjunction with the full text.

[0029] Combined with Figure 1-Figure 4 A rim bolt tightening test press-fitting device includes a base 1, a rim positioning wrapping structure 2, a rim positioning support structure 9, and at least one rim limiting device 4.

[0030] When the utility model is implemented, Figure 2 and Figure 3 As shown, the rim positioning wrapping structure 2 includes two wrapping shells 3 rotatably arranged on the upper surface of the base 1, and the lower ends of the wrapping shells 3 are respectively installed with rotating shafts 31 connected to the base 1 through bearings, and fixed blocks 32 are installed at the opposite ends of the two wrapping shells 3. The two fixed blocks 32 are fixedly connected by bolts, and the wrapping shells 3 rotate on the base 1 through the rotating shafts 31. The two wrapping shells 3 wrap the rim and are then connected together by bolts and the fixed blocks 32 to limit the rim.

[0031] When the utility model is implemented, Figure 1 and Figure 4 As shown, the rim positioning support structure 9 is fixedly arranged on the upper surface of the base 1, and a positioning bolt 91 and a plurality of limiting rods 92 are arranged on the upper end surface of the rim positioning support structure 9; the rim positioning support structure 9 includes a support column 93 arranged on the base 1, and the positioning bolt 91 and the limiting rod 92 are arranged on the support column 93. The positioning bolt 91 and the plurality of limiting rods 92 pass through the mounting hole of the rim, so as to keep the rim always at a level during the tightening test.

[0032] When the utility model is implemented, Figure 2 , Figure 3 and Figure 4As shown, multiple wheel rim limiting devices 4 include a stepping screw 5 threadedly connected to the upper end of the wrapping shell 3, a pressure block 6 is movably connected to the lower end of the stepping screw 5 and the pressure block 6 can be pressed against the rim, multiple wheel rim limiting devices 4 include a stepping screw 5 threadedly connected to the upper end of the wrapping shell 3, a pressure block 6 is movably connected to the lower end of the stepping screw 5 and the pressure block 6 can be pressed against the rim, a ball 7 is installed at the lower end of the stepping screw 5, a groove 8 for matching with the ball 7 is opened at the upper end of the pressure block 6, a pressure groove 10 is opened at the lower end of the pressure block 6, a fixing nut 51 is installed on the stepping screw 5, and the upper end of the wrapping shell 3 is opened to match the stepping screw 5. The threaded hole used for the advancing screw 5, the stepping screw 5 rotates in the threaded hole of the wrapping shell 3, the ball 7 rotates in the groove 8, driving the pressure block 6 to move downward, the pressure groove 10 is stuck on the upper outer edge of the rim, and the rim is limited. The fixing nut 51 rotates on the stepping screw 5 close to the wrapping shell 3 to fix the stepping screw 5 and the wrapping shell 3. The present application can limit the displacement of the rim through the rim limiting device 4 during the test, keep the rim as a whole in a horizontal plane, eliminate the inaccuracy caused by the displacement of the rim caused by tightening the bolts, and improve the accuracy of the experimental data.

[0033] The working principle of this utility model:

[0034] The positioning bolts 91 and a plurality of limiting rods 92 pass through the mounting holes of the rim, which can keep the rim at a level during the tightening test. The two wrapping shells 3 wrap the rim and are then connected together by bolts and fixing blocks 32 to limit the rim. The stepping screw 5 rotates in the threaded hole of the wrapping shell 3, and the ball 7 rotates in the groove 8, driving the pressure block 6 to move downward. The pressure groove 10 is stuck on the outer edge of the upper end of the rim to limit the rim. The fixing nut 51 rotates on the stepping screw 5 and approaches the wrapping shell 3 to fix the stepping screw 5 and the wrapping shell 3, and to limit the horizontal and lateral directions of the rim, keeping the rim as a whole in a horizontal plane, eliminating the inaccurate factors caused by the displacement of the rim caused by tightening the bolts, and improving the accuracy of the experimental data.

[0035] The above describes the utility model and its implementation methods, which is not restrictive. What is shown in the full text is only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. A rim bolt tightening test press-fitting device, characterized in that: It comprises a base (1), a rim positioning wrapping structure (2), a rim positioning support structure (9), and at least one rim limiting device (4); The wheel rim positioning wrapping structure (2) comprises two wrapping shells (3) rotatably arranged on the upper surface of the base (1); The wheel rim positioning support structure (9) is fixedly arranged on the upper surface of the base (1), and a positioning bolt (91) and a plurality of limiting rods (92) are arranged on the upper end surface of the wheel rim positioning support structure (9); The plurality of wheel rim limiting devices (4) comprise a stepping screw (5) threadedly connected to the upper end of the wrapping shell (3); the lower end of the stepping screw (5) is movably connected to a pressing block (6) and the pressing block (6) can abut against the wheel rim.

2. A rim bolt tightening test press-fitting device according to claim 1, characterized in that: A ball (7) is installed at the lower end of the stepping screw (5), and a groove (8) for matching with the ball (7) is provided at the upper end of the pressing block (6).

3. A rim bolt tightening test press-fitting device according to claim 1, characterized in that: A pressing groove (10) is provided at the lower end of the pressing block (6).

4. A rim bolt tightening test press-fitting device according to claim 1, characterized in that: The wheel rim positioning support structure (9) comprises a support column (93) arranged on the base (1), and the positioning bolt (91) and the limiting rod (92) are arranged on the support column (93).

5. The rim bolt tightening test press-fitting device according to claim 1, characterized in that: The lower end of the wrapping shell (3) is provided with a rotating shaft (31) connected to the base (1) via a bearing.

6. A rim bolt tightening test press-fitting device according to claim 1, characterized in that: Fixed blocks (32) are installed at opposite ends of the two wrapping shells (3), and the two fixed blocks (32) are fixedly connected by bolts.

7. A rim bolt tightening test press-fitting device according to claim 1, characterized in that: A fixing nut (51) is mounted on the stepping screw (5).

8. The rim bolt tightening test press-fitting device according to claim 1, characterized in that: The upper end of the wrapping shell (3) is provided with a threaded hole for use with the stepping screw (5).

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