Portable automobile chassis control arm flexibility testing fixture

Abstract

The utility model discloses a portable automobile chassis control arm flexible testing fixture, which is characterized in that the portable automobile chassis control arm flexible testing fixture comprises a main reference detection block and an auxiliary reference detection block, and the main reference detection block and the auxiliary reference detection block are respectively provided with a main reference detection pin and an auxiliary reference detection pin which are arranged corresponding to detection hole sites on a control arm; the main reference detection block is connected to a connecting arm, the connecting arm is provided with a guide adjusting mechanism, and the auxiliary reference detection block is movably installed on the guide adjusting mechanism. The portable flexible testing fixture for the automobile chassis control arm is simple in structure, convenient to carry, good in applicability, convenient for detection and use of control arms of various sizes and specifications, and relatively high in practicability and relatively good in application prospect.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobiles, and more specifically relates to a portable flexible inspection tool for a control arm of an automobile chassis. Background Art

[0002] In the automobile suspension system, the control arm plays a balancing and supporting role. When the car is driving on an uneven road, the tire will swing up and down, which is achieved by swinging the control arm. Deformation or incorrect size of the control arm will cause abnormal wear of the tread, leading to misaligned toe and deviation in direction. When the control arm is deformed, the ball head is damaged, or the rubber sleeve is aged, it needs to be repaired. During the inspection process, the control arm of the same type of automobile chassis needs to be fixed on the corresponding inspection fixture. In the actual production process, in order to solve the process of size inspection, 2-3 pairs of inspection fixtures are usually made for use at different loading locations. The manufacturing cost is high, and the inspection fixture is easily damaged during transportation, affecting the accuracy of the inspection fixture.

[0003] The key dimension of control arm parts lies in the span of the front and rear mounting points. If the span is out of tolerance, it will lead to problems such as inability to install and vehicle deviation. The existing inspection tools have poor applicability and are inconvenient to carry.

[0004] Publication No. (CN 206002007 U) discloses a control arm inspection fixture, including a bottom plate, a control arm fixing frame provided on the bottom plate, a positioning device for installing and positioning the control arm and a clearance through-and-stop gauge for reserving a clearance for the detection part are provided on the control arm fixing frame, a through-end detection part and a stop-end detection part for welding the control arm are provided on the positioning device, a positioning pin for installing the control arm and a dial for detecting the control arm are provided on the positioning device, and the dial is also connected to a dial display structure. The control arm inspection fixture is large in size, occupies a large space, and is not convenient to carry and adjust. Utility Model Content

[0005] The utility model aims to solve the problems existing in the prior art and to provide a portable automobile chassis control arm flexible inspection tool which has a simple structure, is convenient to carry, has good applicability and is convenient for inspection of control arms of various sizes.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: the provided portable automobile chassis control arm flexible inspection fixture is characterized in that it includes a main reference detection block and a secondary reference detection block, and the main reference detection block and the secondary reference detection block are respectively installed with a main reference detection pin and a secondary reference detection pin corresponding to the detection hole position on the control arm; the main reference detection block is connected to the connecting arm, and the connecting arm is provided with a guide adjustment mechanism, and the secondary reference detection block can be movably installed on the guide adjustment mechanism.

[0007] In order to make the above technical solution more detailed and specific, the utility model also provides the following further preferred technical solutions to obtain satisfactory practical effects:

[0008] The connecting arm comprises a connecting arm body, on which a main reference detection block mounting plate corresponding to the main reference detection block is provided.

[0009] The guide adjustment mechanism comprises a graduated slide rail extending along the span direction of the control arm hole.

[0010] A scale groove is arranged on the side of the scale slide rail.

[0011] The auxiliary reference detection block is slidably mounted on the scale slide rail via an auxiliary reference sliding block.

[0012] The cross section of the scale slide rail is trapezoidal, and the auxiliary reference slide block is provided with a slide groove which is mounted on the scale slide rail in a matching sliding manner.

[0013] The connecting arm body is provided with a hollow hole.

[0014] The hollow holes are arranged along the length direction of the connecting arm body.

[0015] Compared with the prior art, the utility model has the following advantages: the portable automobile chassis control arm flexible inspection tool of the utility model has a simple structure, is easy to carry, has good applicability, is convenient for inspection and use of control arms of various sizes and specifications, and has strong practicality and good application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The following is a brief description of the contents and symbols in the drawings of this specification:

[0017] Figure 1 This is a schematic diagram of the structure of a portable flexible inspection fixture for automobile chassis control arms of the utility model;

[0018] Figure 2 This is a schematic diagram of the connecting arm structure in the utility model;

[0019] Figure 3 This is a schematic diagram of the connection between the secondary reference sliding block and the connecting arm in the utility model;

[0020] Figure 4 This is a schematic diagram of the scale groove on the connecting arm of the utility model;

[0021] Figure 5 It is a schematic diagram of the flexible inspection tool in the utility model for inspecting the first control arm;

[0022] Figure 6 It is a schematic diagram of the flexible inspection fixture in the utility model inspecting the second control arm.

[0023] The following are marked in the figure: 1. Flexible check fixture for control arm; 2. First type of control arm; 3. Second type of control arm;

[0024] 4. Connecting arm; 5. Main reference detection block; 6. Main reference detection pin; 7. Auxiliary reference sliding block; 8. Auxiliary reference detection pin; 9. Auxiliary reference detection block; 10. Main reference detection block mounting plate; 11. Connecting arm body; 12. Scale slide rail; 13. Slide groove; 14. Scale groove. DETAILED DESCRIPTION

[0025] The specific implementation of the utility model will be further explained in detail below through the description of embodiments with reference to the accompanying drawings.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0027] The utility model is a portable flexible inspection tool for automobile chassis control arms. Figure 1 As shown in , the control arm flexible inspection fixture 1 includes a reference inspection block and a connecting arm with a guide adjustment mechanism. A detection pin is provided on the reference inspection block. Except for the detection pin, it and other components are made of 6061 aviation aluminum, which can reduce weight and make it easy to carry.

[0028] Portable control arm gauge is used to check the key dimensions of the control arm and subframe installation, such as Figure 5 , 6 As shown in the figure, it is a schematic diagram of the use of control arms of two different specifications, the first control arm 2 and the second control arm 3, respectively. When in use, after the reference detection block is installed, it is connected to the detected position through a connecting arm with a guide adjustment mechanism, and the installation point span and the like are detected by a simple inspection fixture. In order to identify the span of the control arm installation point, laser engraving is added to the corresponding position of the connecting arm of the inspection fixture, and a scale groove 14 is engraved. According to the size specifications of the control arm, the scale range is set to 100mm-500mm (minimum 1mm scale) to facilitate user identification. According to the span size prompt, after adjusting to the corresponding span size, different models of control arms are tested.

[0029] The utility model, such as Figures 1 to 4As shown, the portable control arm inspection fixture comprises a connecting arm 4, a main reference detection block 5, a main reference detection pin 6, a secondary reference sliding block 7, a secondary reference detection pin 8, and a secondary reference detection block 9. The main reference detection pin 6 and the secondary reference detection pin 8 are respectively arranged corresponding to the detection holes of the control arm. The end face of the main reference detection block 5 is in contact with one side of the control arm, and the direction of the positioning hole on the main reference detection block 5 is along the Figure 1 Holes are opened in the left and right directions, and the main reference detection pin 6 is along Figure 1 The auxiliary reference sliding block 7 moves along the span direction between the two detection holes of the control arm, and the auxiliary reference detection block 9 is provided with an auxiliary reference detection pin 8 mounting hole, and the auxiliary reference detection pin 8 mounting hole direction is along Figure 1 Middle vertical paper direction setting.

[0030] During use, first position and install the main reference detection block 5 on the main reference detection block mounting plate 10 on the control arm, and insert the main reference detection pin 6 into the positioning hole of the main reference detection block 5 through the detection hole to be detected and controlled; the main reference detection block 4 is connected to the secondary reference detection block 9 through the connecting arm 4. A scale slide rail 12 is provided on the connecting arm body 11, and the secondary reference sliding block 7 is slidably connected to the scale slide rail 12, and the secondary reference detection block 9 is installed on the secondary reference sliding block 7. The cross-section of the scale slide rail 12 is trapezoidal, and is extended along the span direction of the two mounting holes of the control arm. A slide groove 13 is provided on the secondary reference sliding block 7 to cooperate with the sliding clamping installation on the scale slide rail 12. The slide groove 13 is an inverted trapezoidal groove structure to prevent the sliding installation from loosening. During the inspection, the main reference detection pin 6 is inserted into the positioning hole of the main reference detection block 5 through the detection hole of the control arm to be inspected, and the secondary reference sliding block 7 is moved to observe the scale of the scale groove at the corresponding position, and the secondary reference sliding block 7 is adjusted to the target size of the control arm to be inspected, and the secondary reference detection pin 8 is inserted into the reference hole of the secondary reference detection block 9 through the detection hole on the control arm. If the secondary reference detection pin 8 cannot be inserted into the reference hole of the secondary reference detection block 9, it is judged as unqualified; if it can be inserted, it is judged as qualified.

[0031] In the utility model, a hollow hole is provided on the connecting arm body 1, and the hollow hole is arranged along the length direction of the body, which is convenient for operators to hold and operate, and at the same time reduces the weight of the inspection tool to a certain extent, and improves the practical performance.

[0032] The portable automobile chassis control arm flexible inspection tool of the utility model is easy to carry, stable and reliable in operation, long in service life and low in cost. The portable automobile chassis control arm flexible inspection tool of the utility model is a inspection tool that can be manually adjusted in size to detect control arms of various specifications, and its span size covers a range of 100mm-500mm. By completing a set of inspection tools, the purpose of detecting various control arm spans can be achieved.

[0033] The portable flexible inspection tool for automobile chassis control arms of the utility model has a simple structure, is easy to carry, has good applicability, is convenient for inspection and use of control arms of various sizes and specifications, and has strong practicality and good application prospects.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] The present invention is described above by way of example in conjunction with the accompanying drawings, but the present invention is not limited to the above manner. As long as various non-substantial improvements made using the method concept and technical solution of the present invention or direct applications to other occasions are made, they all fall within the protection scope of the present invention.

Claims

1. A portable flexible inspection tool for automobile chassis control arm, characterized by: It comprises a main reference detection block and a secondary reference detection block, on which a main reference detection pin and a secondary reference detection pin corresponding to the detection hole position on the control arm are respectively installed; the main reference detection block is connected to the connecting arm, and a guide adjustment mechanism is provided on the connecting arm, and the secondary reference detection block can be movably installed on the guide adjustment mechanism.

2. The portable automobile chassis control arm flexible inspection tool according to claim 1, characterized in that: The connecting arm comprises a connecting arm body, on which a main reference detection block mounting plate corresponding to the main reference detection block is provided.

3. The portable automobile chassis control arm flexible inspection tool according to claim 2, characterized in that: The guide adjustment mechanism comprises a graduated slide rail extending along the span direction of the control arm hole.

4. The portable automobile chassis control arm flexible inspection tool according to claim 3, characterized in that: A scale groove is arranged on the side of the scale slide rail.

5. The portable automobile chassis control arm flexible inspection tool according to claim 3, characterized in that: The auxiliary reference detection block is slidably mounted on the scale slide rail via an auxiliary reference sliding block.

6. The portable automobile chassis control arm flexible inspection tool according to claim 5, characterized in that: The cross section of the scale slide rail is trapezoidal, and the auxiliary reference slide block is provided with a slide groove which is mounted on the scale slide rail in a matching sliding manner.

7. The portable automobile chassis control arm flexible inspection tool according to claim 1, characterized in that: The connecting arm body is provided with a hollow hole.

8. The portable automobile chassis control arm flexible inspection tool according to claim 7, characterized in that: The hollow holes are arranged along the length direction of the connecting arm body.

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