Special appliance for detecting flatness of cylinder surface of compressor

Abstract

The utility model relates to the technical field of compressor detection, and discloses a compressor cylinder surface flatness detection special-purpose appliance, which comprises an installation platform and a stand column used for supporting a test part, the stand column is installed on the top of the installation platform through a fixing bolt, and a test machine body is installed above the stand column. And a universal rod for finely adjusting the test position of the flatness measuring instrument is mounted at the top of the mounting platform. The special appliance for detecting the flatness of the cylinder surface of the compressor adopts a stepped variable-diameter design, can fix and support testing machine bodies of different sizes and models, improves the application range, does not need to frequently replace the stand columns when the testing machine bodies of different sizes and models are measured, is convenient to use, and is high in practicability. The measurement height and position of the flatness measuring instrument can be flexibly adjusted by finely adjusting the cooperation of the universal rod and the flatness measuring instrument, and the application range of measurement is further expanded by the cooperation of the universal rod and the stand column.

Description

TECHNICAL FIELD

[0001] The utility model relates to compressor detection technical field, concretely is a kind of compressor cylinder surface flatness detection special appliance. BACKGROUND

[0002] Compressor is a driven fluid machine that lifts low-pressure gas to high-pressure gas, and is the heart of refrigeration system. It sucks in low-temperature and low-pressure refrigerant gas from the suction pipe, and discharges high-temperature and high-pressure refrigerant gas to the exhaust pipe after compression, to provide power for the refrigeration cycle. Compressor is usually composed of multiple components, among which cylinder is the key part responsible for compressing gas. If the cylinder surface is not flat, it may affect the sealing, causing gas leakage and affecting efficiency. Generally, the workpiece is clamped and fixed by a clamp during detection by general cylinder detection equipment, and then a measuring tool is rotated along the measurement surface to measure the side. However, the accuracy of measurement during rotation is not easy to control, and the clamping and installation accuracy is poor, affecting the measurement accuracy. SUMMARY

[0003] (I) Technical problem solved

[0004] To solve the problems of inconvenient test clamping operation and poor accuracy during measurement, the utility model provides a kind of compressor cylinder surface flatness detection special appliance.

[0005] (II) Technical scheme

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a kind of compressor cylinder surface flatness detection special appliance, including installation platform and the vertical column for supporting test component, the vertical column is installed by fixed bolt with installation platform top, the test machine body is installed above vertical column, the top of installation platform is equipped with the fine adjustment universal bar for the test position of flatness measuring instrument, the inside of vertical column is opened with the flatness detection hole for detecting the straightness of vertical column itself.

[0007] Preferably, the vertical column further includes a mounting flange and a fixed screw hole, the mounting flange is arranged at the bottom end of the vertical column, and the fixed screw hole is formed on the surface of the mounting flange. The fixed bolt passes through the fixed screw hole to fix the vertical column on the surface of the installation platform.

[0008] Preferably, the fine adjustment universal rod comprises a translation base, an angle adjustment knob base, a moving rail rod, an adjustable moving base, a telescopic support rod and a directional rail, the directional rail is installed on the top of the mounting platform and is located at the left side of the column, the translation base is installed above the directional rail and is fixed with the directional rail through bolts, the moving rail rod is installed with the front end of the angle adjustment knob base, the angle adjustment knob base is installed on the top of the translation base, the adjustable moving base is installed outside the moving rail rod, the telescopic support rod is installed with the adjustable moving base, and the flatness measuring instrument is installed with the telescopic end of the telescopic support rod.

[0009] Preferably, the column adopts a stepped variable diameter design, and the diameter decreases along the axial direction in a gradient manner.

[0010] Preferably, the diameter of the top end of the column is 18mm, and the diameters of the column from top to bottom for the mounting end are 18mm, 18.5mm, 21mm, 21.5mm, 23.6mm and 24.1mm respectively.

[0011] Preferably, the diameter of the flatness detection hole is 8mm, and a 2mm perforation is formed in the top end of the column.

[0012] Compared with the prior art, the utility model provides a special tool for compressor cylinder surface flatness detection, which has the following beneficial effects:

[0013] 1. The special tool for compressor cylinder surface flatness detection adopts a stepped variable diameter design, can fixedly support test machine bodies of different sizes and models, improves the application range, and facilitates use without frequent replacement of the column when measuring test machine bodies of different sizes and models.

[0014] 2. The special tool for compressor cylinder surface flatness detection can flexibly adjust the measurement height and position of the flatness measuring instrument through cooperation of the fine adjustment universal rod and the flatness measuring instrument, and further improves the measurement application range through cooperation with the column.

[0015] 3. The special tool for compressor cylinder surface flatness detection can prevent the flatness measuring instrument from shaking and affecting the measurement accuracy by maintaining contact between the flatness measuring instrument and the bottom measurement surface of the test machine body without pushing the flatness measuring instrument to move when measuring, and the measurement operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a left view of the utility model structure;

[0018] Figure 3The utility model discloses a column structure schematic view.

[0019] Figure 4 The utility model discloses a column structure sectional view.

[0020] Figure 5 The utility model discloses a column structure plan view.

[0021] Among them: 1, installation platform, 2, column, 21, mounting flange, 22, fixed screw hole, 23, flatness detection hole, 3, fixed bolt, 4, fine adjustment universal bar, 41, translation base, 42, angle adjustment knob seat, 43, moving rail pole, 44, adjustable moving seat, 45, telescopic support pole, 46, directional rail, 5, flatness measuring instrument, 6, test machine body. DETAILED DESCRIPTION

[0022] In the description of the utility model, need explanation, the orientation or positional relation that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" indicate is based on the orientation or positional relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element that is indicated must have a particular orientation, with particular orientation configuration and operation, therefore can not be understood as the limitation to the utility model, the terms "first", "second", "third" are only for the purpose of description, and can not be understood as indicating or implying relative importance, in addition, unless there is explicit specification and limitation, the terms "installation", "connection", "connect" should be broad-sense understanding, for example, can be fixed connection, can be detachable connection or integrally connected, can be mechanical connection, can be electrical connection, can be directly connected, can be indirectly connected through intermediate medium, can be the intercommunication of two elements interior.The above-mentioned terms in the utility model can be understood according to specific circumstances by the ordinary skill in the art.

[0023] Please refer to Figures 1-5 The utility model provides a kind of special appliance for detecting compressor cylinder surface flatness, including installation platform 1 and the column 2 for supporting test component, column 2 is installed with installation platform 1 top by fixed bolt 3, test machine body 6 is installed above column 2, the top of installation platform 1 is equipped with the fine adjustment universal bar 4 for the test position of flatness measuring instrument 5, the inside of column 2 is opened with flatness detection hole 23 for detecting the straightness of column 2 itself.

[0024] Further, the column 2 further comprises a mounting flange 21 and a fixing screw hole 22, the mounting flange 21 is arranged at the bottom end of the column 2, the fixing screw hole 22 is arranged on the surface of the mounting flange 21, and the fixing screw 3 passes through the fixing screw hole 22 to fix the column 2 on the surface of the mounting platform 1, so that the column 2 is convenient to install and disassemble, and the maintenance work is facilitated, and the straightness of the column 2 can be detected by the flatness detection hole 23 in the column 2 and the special measuring instrument from the inside after disassembly.

[0025] Further, the fine adjustment universal rod 4 comprises a translation base 41, an angle adjustment knob base 42, a moving rail 43, an adjustable moving base 44, an extension support rod 45 and a directional rail 46, the directional rail 46 is arranged on the top of the mounting platform 1 and located at the left side of the column 2, the translation base 41 is arranged above the directional rail 46 and fixed with the directional rail 46 through a bolt, the moving rail 43 is arranged at the front end of the angle adjustment knob base 42, the angle adjustment knob base 42 is arranged on the top of the translation base 41, the adjustable moving base 44 is arranged outside the moving rail 43, the extension support rod 45 is arranged with the adjustable moving base 44, and the flatness measuring instrument 5 is arranged with the extension end of the extension support rod 45, the inclination angle of the moving rail 43 can be adjusted through the angle adjustment knob base 42, the support height of the extension support rod 45 can be adjusted by adjusting the installation connection position of the moving rail 43 through the adjustable moving base 44, the support angle of the extension support rod 45 can also be adjusted through the adjustable moving base 44, the support position of the flatness measuring instrument 5 can be adjusted through the extension adjustment of the extension support rod 45, and the left and right support positions of the flatness measuring instrument 5 can be adjusted through the cooperation of the translation base 41 and the directional rail 46.

[0026] Further, the column 2 adopts a stepped variable diameter design, and the diameter thereof decreases along the axial direction in a gradient manner, so that different sizes and models of test bodies 6 can be fixed and supported, the application range is improved, and the column 2 does not need to be frequently replaced when different sizes and models of test bodies 6 are measured, thereby being convenient to use.

[0027] Further, the diameter of the top end of the column 2 is 18 mm, and the diameters of the column 2 from top to bottom for the mounting end are 18 mm, 18.5 mm, 21 mm, 21.5 mm, 23.6 mm and 24.1 mm.

[0028] Further, the diameter of the flatness detection hole 23 is 8 mm, and a 2 mm perforation is arranged at the top end of the column 2, because the diameters of the outer sides of the column 2 are not uniform, it is difficult to measure the perpendicularity of the column 2 from the outer side, the perpendicularity of the column 2 can be accurately detected by professional measuring tools and methods through the flatness detection hole 23 in the inner side of the column 2, so that the high precision and reliability of the entire measurement system can be ensured during maintenance.

[0029] In use, the test body 6 is sleeved on the outside of the stand 2, the detection surface of the test body 6 is directed straight down, then the support height of the flatness measuring instrument 5 is adjusted by fine adjustment of the universal rod 4, the inclination angle of the moving rail 43 is adjusted by the angle adjustment knob seat 42, the support height of the telescopic support rod 45 is adjusted by adjusting the mounting connection position with the moving rail 43 through the adjustable moving seat 44, the support angle of the telescopic support rod 45 can also be adjusted by the adjustable moving seat 44, the support position of the flatness measuring instrument 5 is adjusted by telescopic adjustment of the telescopic support rod 45, the left and right direction support position of the flatness measuring instrument 5 can be adjusted by cooperation of the translation base 41 and the directional rail 46, so that the measurement end of the flatness measuring instrument 5 is moved to the position close to the bottom measurement surface of the test body 6, then the test body 6 is rotated, the test body 6 is rotated along the outside of the stand 2, the measurement end of the flatness measuring instrument 5 can complete the effect of measuring along the bottom surface of the test body 6 for one round when the test body 6 rotates one round, when measuring test bodies 6 of different sizes, the fine adjustment universal rod 4 is moved to the left, then the test bodies 6 of different sizes are sleeved on the outside of the stand 2, then the support height of the flatness measuring instrument 5 is adjusted by readjusting the fine adjustment universal rod 4, and the measurement work can be continued.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A special tool for detecting the flatness of the cylinder surface of a compressor, comprising a mounting platform (1) and a column (2) for supporting the test part, characterized in that: The column (2) is installed on the top of the mounting platform (1) through the fixing bolt (3), the test body (6) is installed above the column (2), the top of the mounting platform (1) is provided with the fine adjustment universal rod (4) for the test position of the flatness measuring instrument (5), and the inside of the column (2) is provided with the flatness detection hole (23) for detecting the straightness of the column (2) itself.

2. The compressor cylinder surface flatness detection special tool according to claim 1, characterized in that: The column (2) further comprises a mounting flange (21) and a fixing screw hole (22), the mounting flange (21) is arranged at the bottom end of the column (2), the fixing screw hole (22) is arranged on the surface of the mounting flange (21), and the fixing bolt (3) passes through the fixing screw hole (22) to fix the column (2) on the surface of the mounting platform (1).

3. The compressor cylinder bore flatness detection tool of claim 1, wherein: The fine adjustment universal rod (4) comprises a translation base (41), an angle adjustment knob base (42), a moving rail rod (43), an adjustable moving base (44), an extension support rod (45) and a directional rail (46), the directional rail (46) is arranged on the top of the mounting platform (1) and located at the left side of the column (2), the translation base (41) is arranged above the directional rail (46) and fixed to the directional rail (46) through a bolt, the moving rail rod (43) is arranged at the front end of the angle adjustment knob base (42), the angle adjustment knob base (42) is arranged on the top of the translation base (41), the adjustable moving base (44) is arranged outside the moving rail rod (43), the extension support rod (45) is arranged on the adjustable moving base (44), and the flatness measuring instrument (5) is arranged on the extension end of the extension support rod (45).

4. The compressor cylinder bore flatness detection tool of claim 1, wherein: The column (2) adopts a stepped variable diameter design, and the diameter thereof decreases along the axial direction in a gradient manner.

5. The compressor cylinder bore flatness detection tool of claim 4, wherein: The diameter of the top end of the column (2) is 18mm, and the diameters of the column (2) from top to bottom for the mounting end are 18mm, 18.5mm, 21mm, 21.5mm, 23.6mm and 24.1mm respectively.

6. The compressor cylinder bore flatness detection tool of claim 1, wherein: The diameter of the flatness detection hole (23) is 8mm, and the top end of the column (2) is provided with a 2mm perforation.

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