Position angle testing fixture for upper balance block and shaft

Abstract

The utility model discloses a position angle testing fixture for an upper balance block and a shaft. The position angle testing fixture comprises a workbench and a gradienter, the left and right positions of the workbench are respectively provided with a standard part area and a tested part area. A standard part is fixedly arranged at the upper end of the bracket, and the gradienter is zeroed through the standard part; a front support frame is arranged at the front part of the tested piece area, and a front positioning mechanism is arranged at the upper end of the front support frame; a rear support frame is arranged at the rear part of the tested piece area, and a rear positioning mechanism is arranged at the upper end of the rear support frame; during measurement, one end of a measured piece with a balance block is placed on the rear positioning mechanism, and the other end is placed on the front positioning mechanism. A comparative measurement mode is adopted, the gradienter is firstly zeroed by a standard component during use, then measurement can be carried out, and a measurement result is obtained by comparing with the standard component. The device is simple and reliable to operate, high in detection efficiency, capable of being placed on site for batch 100% detection, and high in environmental adaptability.

Description

Technical Field

[0001] The utility model relates to a precision detection instrument for mechanical parts, in particular to a position angle detection tool for an upper balancing block and a shaft. Background Art

[0002] The compressor is one of the important parts in the refrigeration industry, and the motor shaft and balance block assembly position are important and necessary inspection items. The most well-known high-precision position detection method is three-coordinate, which has sufficient accuracy but extremely low efficiency and high cost, and is only suitable for random inspection. Quality control requires 100% inspection, so it is necessary to customize the position and angle inspection fixture of the balance block and the shaft. Utility Model Content

[0003] In order to solve the problems in the prior art, the utility model provides a position angle gauge for an upper balancing block and a shaft, which uses a comparative measurement method to measure the assembly position angle of the upper balancing block and the shaft, and has the advantages of simple structure, high measurement accuracy, and fast data processing.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A position angle gauge for an upper balancing block and an axis, comprising a workbench and a level; a standard part area and a measured part area are respectively arranged at the left and right positions of the workbench;

[0006] A bracket is fixedly provided in the standard part area, a standard part is fixedly provided on the upper end of the bracket, and the level is zeroed by the standard part;

[0007] A front support frame is provided at the front of the measured piece area, and a front positioning mechanism is provided at the upper end of the front support frame; a rear support frame is provided at the rear of the measured piece area, and a rear positioning mechanism is provided at the upper end of the rear support frame; during measurement, one end of the measured piece with a balance block is placed on the rear positioning mechanism, and the other end is placed on the front positioning mechanism.

[0008] Furthermore, the front positioning mechanism is a front positioning block fixed to the upper end of the front support frame, and a V-shaped groove is provided on the front positioning block.

[0009] Furthermore, the workbench is provided with a guide rail extending in the front-to-back direction at the front of the tested piece area, and a slider is provided at the lower end of the front support frame. The slider is slidably matched with the guide rail and is provided with a position locking device.

[0010] Furthermore, the position locking device includes a locking screw threadedly connected to the slider, and the lower end of the locking screw passes through the slider and abuts against the workbench.

[0011] Furthermore, the rear positioning mechanism is a rear positioning block detachably fixed to the upper end of the rear support frame, and the rear positioning block is provided with a positioning groove that cooperates with the balancing block of the measured object.

[0012] Furthermore, the level is a digital level.

[0013] Furthermore, the workbench is also provided with a placement rack for placing a level.

[0014] Beneficial effects of the utility model:

[0015] The utility model adopts a comparative measurement method. When in use, the level is first zeroed with a standard part before measurement can be performed, and the measurement result is obtained by comparison with the standard part (size transfer reference, equivalent to a block gauge). The utility model has a novel design, a simple structure and high measurement accuracy.

[0016] The utility model can complete compatible measurement of measured parts with different specifications by changing the rear positioning block and sliding the front support frame forward and backward on the guide rail.

[0017] The utility model has simple and reliable operation, high detection efficiency, can be placed on site to carry out 100% detection of batches, and has strong environmental adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional schematic diagram of the utility model Figure 1 ;

[0019] Figure 2 A three-dimensional schematic diagram of the utility model Figure 2 ;

[0020] Figure 3 It is a top view of the utility model;

[0021] Figure 4 It is a side view of the utility model.

[0022] The drawings are only used for illustrative purposes and should not be construed as limitations on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] like Figures 1 to 4 As shown, this embodiment provides a position angle gauge for an upper balancing block and a shaft, which uses a comparative measurement method to measure the assembly position angle of the upper balancing block and the shaft, and has the advantages of simple structure, high measurement accuracy, and fast data processing.

[0025] Specifically, the inspection tool includes a workbench 1 and a level 2. The level 2 is a digital level.

[0026] A standard part area and a measured part area are respectively arranged at the left and right positions of the workbench 1. A bracket 3 is fixedly arranged in the standard part area, a standard part 4 is fixedly arranged on the upper end of the bracket 3, and the level 2 is zeroed by the standard part 4.

[0027] A front support frame 5 is provided at the front of the tested part area, and a front positioning mechanism is provided at the upper end of the front support frame 5. In this embodiment, the front positioning mechanism is a front positioning block fixed at the upper end of the front support frame 5, and a V-shaped groove 14 is provided on the front positioning block. The front positioning block and the front support frame 5 can be an integrated structure.

[0028] In addition, the workbench is provided with a guide rail 8 extending in the front-to-back direction at the front of the test piece area, and a slider 9 is fixedly provided at the lower end of the front support frame 5. The slider 9 is slidably matched with the guide rail 8 and is provided with a position locking device.

[0029] The position locking device comprises a locking screw 10 threadedly connected to the slider 9 , and the lower end of the locking screw 10 passes through the slider and abuts against the workbench 1 .

[0030] A rear support frame 6 is provided at the rear of the tested part area, and a rear positioning mechanism is provided at the upper end of the rear support frame 6. In this embodiment, the rear positioning mechanism is a rear positioning block 7 detachably fixed to the upper end of the rear support frame, and the rear positioning block 7 is provided with a positioning groove that cooperates with the balance block of the tested part.

[0031] The workbench 1 is also provided with a placement rack 11 for placing a level meter, and the level meter 2 can be placed on the placement rack 11 when not measuring.

[0032] The working principle of the utility model is as follows:

[0033] When measuring, first place one end of the measured piece 12 with the balance block on the positioning groove of the rear positioning block, and the other end on the V-shaped groove of the front positioning block. After placing it stably, place the handheld measuring part of the level 2 on the standard part 4. After placing it stably and firmly, press the zero position button on the level 2 to set the level to zero. Then press the handle 13 to remove the handheld measuring part from the standard part 4 and place it on the measuring position of the measured piece 12 for measurement. The angle value displayed by the level 2 is the position angle between the upper balance block and the axis.

[0034] At the same time, by changing the rear positioning block 7 and sliding the front support frame 5 forward and backward on the guide rail 8, compatible measurement of parts to be measured of different specifications can be completed.

[0035] The utility model has novel design, simple structure and high measurement accuracy (total measurement accuracy ≤ 0.05°, indication variability: less than one graduation value of the level). The utility model is simple and reliable to operate, has high detection efficiency, can be placed on site for 100% detection of batches, has strong environmental adaptability, and can be widely used in the assembly production line of the domestic air conditioning and refrigeration industry, providing reliable detection guarantee for this industry.

[0036] The above embodiments are only used to illustrate rather than limit the technical solutions of the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art should understand that the present invention can still be modified or replaced by equivalents. Any modification or partial replacement that does not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

[0037] If the words "first", "second" and so on are used in this document to limit components, those skilled in the art should know that the use of "first" and "second" is only for the convenience of describing the utility model and simplifying the description. Unless otherwise stated, the above words have no special meaning.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0039] 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A position angle gauge for an upper balancing block and a shaft, characterized in that: It includes a workbench and a level; the left and right sides of the workbench are respectively provided with a standard parts area and a measured parts area; A bracket is fixedly provided in the standard part area, a standard part is fixedly provided on the upper end of the bracket, and the level is zeroed by the standard part; A front support frame is provided at the front of the measured piece area, and a front positioning mechanism is provided at the upper end of the front support frame; a rear support frame is provided at the rear of the measured piece area, and a rear positioning mechanism is provided at the upper end of the rear support frame; during measurement, one end of the measured piece with a balance block is placed on the rear positioning mechanism, and the other end is placed on the front positioning mechanism.

2. The position angle detection fixture of the upper balancing block and the shaft according to claim 1 is characterized in that: The front positioning mechanism is a front positioning block fixed on the upper end of the front support frame, and a V-shaped groove is arranged on the front positioning block.

3. The position angle detection device of the upper balancing block and the shaft according to claim 2 is characterized in that: The workbench is provided with a guide rail extending in the front and rear directions at the front of the tested piece area, and a slide block is provided at the lower end of the front support frame. The slide block is slidably matched with the guide rail and is provided with a position locking device.

4. The position angle detection device of the upper balancing block and the shaft according to claim 3 is characterized in that: The position locking device comprises a locking screw threadedly connected to the slide block, and the lower end of the locking screw passes through the slide block and abuts against the workbench.

5. The position angle detection device of the upper balancing block and the shaft according to claim 1 is characterized in that: The rear positioning mechanism is a rear positioning block detachably fixed to the upper end of the rear support frame, and the rear positioning block is provided with a positioning groove that matches the balance block of the measured piece.

6. The position angle detection fixture of the upper balancing block and the shaft according to claim 1, characterized in that: The level is a digital level.

7. The position angle detection device of the upper balancing block and the shaft according to claim 1 is characterized in that: The workbench is also provided with a placement frame for placing a level meter.

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