CN215810906U - Measuring instrument for scroll compressor - Google Patents
Measuring instrument for scroll compressor Download PDFInfo
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- CN215810906U CN215810906U CN202122001935.XU CN202122001935U CN215810906U CN 215810906 U CN215810906 U CN 215810906U CN 202122001935 U CN202122001935 U CN 202122001935U CN 215810906 U CN215810906 U CN 215810906U
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Abstract
The utility model discloses a measuring instrument for a scroll compressor, which comprises a first platform, a second platform, a rotating assembly, a positioning assembly, a first measuring assembly and a second measuring assembly, wherein the second platform is arranged at intervals with the first platform; the rotating assembly can drive the second platform to rotate relative to the first platform; the plurality of locating pins are used for locating the scroll compressor; the first measuring assembly is arranged on the first platform, the second measuring assembly is arranged on the first platform, and the first measuring assembly and the second platform are arranged at intervals.
Description
Technical Field
The utility model belongs to the technical field of measurement, and particularly relates to a measuring instrument for a scroll compressor.
Background
In the related art, the position degree of a scroll compressor component in the refrigerator industry for an assembly is generally detected by adopting detection methods such as a position degree general gauge and the like. These measurement methods have low detection accuracy, and the orientation of the measuring instrument is incompatible, and the value and direction of the position deviation cannot be obtained. Another high-precision detection method is three-coordinate measurement, but this measurement method is too inefficient and too costly to be suitable for spot inspection.
Notice No. CN 209945221U's utility model provides a compressor cylinder detection device belongs to and measures technical field. The method solves the problems of detection cost and low detection efficiency in the existing method for detecting the compressor cylinder by adopting a three-coordinate measuring instrument. This compressor cylinder detection device includes base, location dabber, guide holder, plug gauge and cylinder locating pin, and the top surface of base is the location reference surface, and the lower extreme of location dabber and cylinder locating pin penetrates in the base and location dabber and cylinder locating pin and base fixed connection, and one end of plug gauge is identical with spring hole or suction hole, and the guide holder is fixed on the base, the axial lead and the location reference surface parallel arrangement of plug gauge, and the plug gauge is worn to establish on the guide holder. The compressor cylinder detection device has the advantages of reducing the detection cost of the compressor cylinder and improving the detection efficiency of the compressor cylinder.
However, the technical scheme can only detect the relative size of the straight hole on the wall of the compressor, cannot detect the relative position size of the lifting hole at the top end of the compressor, cannot measure compressors with different diameters, and is low in compatibility.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the utility model provides a measuring instrument for a scroll compressor, which has high detection precision and can display the deviation value and direction of the position degree.
A surveying instrument according to an embodiment of the present invention includes: the measuring device comprises a first platform, a second platform, a rotating assembly, a positioning assembly, a first measuring assembly and a second measuring assembly, wherein the second platform is arranged at intervals with the first platform, a dial is arranged on the outer side of the second platform and arranged on the first platform, and the dial is arranged along the outer peripheral side of the second platform and is arranged at intervals with the second platform. The rotating assembly is arranged between the first platform and the second platform, the rotating assembly and the second platform are coaxially arranged, the rotating assembly is rotatably connected with the first platform, the rotating assembly is fixedly connected with the second platform, and the rotating assembly can drive the second platform to rotate relative to the first platform. The positioning assembly comprises a plurality of positioning pins, the positioning pins are arranged on the second platform and distributed at intervals along the circumferential direction of the second platform, and the positioning pins are used for positioning the scroll compressor. The first measuring assembly is arranged on the first platform, the second measuring assembly is arranged on the first platform, the first measuring assembly and the second platform are arranged at intervals, the first measuring assembly is used for measuring the relative position size of each pipe orifice of the scroll compressor, and the second measuring assembly is used for measuring the relative angle value of each pipe orifice of the scroll compressor.
In some embodiments, the first measuring assembly includes a support, a movable platform, a grating ruler and a telescopic rod, the bottom end of the support is connected to the first platform, the movable platform is disposed on the support and is in sliding fit with the support, the movable platform is movable in a first direction, the grating ruler and the telescopic rod are disposed on the movable platform, and the grating ruler and the telescopic rod are arranged at intervals.
In some embodiments, the axis of the telescopic rod intersects with the axis of the grating ruler to form an included angle α, and the included angle α is equal to an included angle β between the axis of the upper hanging hole of the scroll compressor and the reference surface.
In some embodiments, the measuring instrument further comprises a zero calibration device, the zero calibration device is arranged on the first platform, and the outer peripheral side of the second platform is provided with a first hole corresponding to the zero calibration device.
In some embodiments, the measuring instrument further includes a display device disposed on the first platform, the display device being spaced apart from the second platform, the display device being electrically connected to the grating scale and the second measuring assembly.
In some embodiments, the measuring instrument further includes a plurality of supporting platforms, the plurality of positioning holes are divided into a plurality of groups, the plurality of groups of positioning holes are circumferentially distributed on the second platform along different radii, the plurality of supporting platforms are divided into a plurality of groups, the plurality of groups of supporting platforms and the plurality of groups of positioning holes are correspondingly distributed on the second platform, and the supporting platforms are provided with through holes which are coaxially arranged with the positioning holes.
In some embodiments, the measuring instrument further comprises a moving assembly, and the first platform is arranged on the moving assembly and fixedly connected with the moving assembly.
In some embodiments, the second measuring component is an angle encoder, the rotating component is a rotating shaft, and the angle encoder is disposed below the rotating shaft and is fixedly connected to the rotating shaft.
The utility model has the beneficial effects that:
according to the measuring instrument disclosed by the embodiment of the utility model, the measurement of the relative positions of the scroll compressor assembly components of different specifications and models can be realized, and meanwhile, the operation and the control are simple, convenient and quick, and the measuring result is practical and accurate.
The positioning system is accurate, the first platform with good parallelism is a plane reference position, and the center of the second platform can be automatically found by the guide of the floating taper pin, so that the scroll compressor can be conveniently and quickly positioned. The rotating assembly drives the scroll compressor to rotate, the angle encoder accurately displays the relative angle value of each pipe orifice, and the grating ruler can accurately display the relative position size of each pipe orifice. The supporting table can prevent the scroll compressor from inclining, the telescopic rod can measure the relative position size of the lifting hook, the zero calibration device can accurately calibrate the angle encoder, the display can display the measuring data of the encoder and the grating ruler, the reading is convenient, the scroll compressors with different sizes can be positioned by the multi-group positioning holes and the supporting table, the moving assembly can facilitate the transportation of the measuring instrument, and the angle encoder is arranged below the rotating shaft to save space.
Drawings
FIG. 1 is a schematic view of a gauge for a scroll compressor according to an embodiment of the present invention;
FIG. 2 is a front view of a gauge for a scroll compressor according to an embodiment of the present invention;
FIG. 3 is a side view of a gauge for a scroll compressor according to an embodiment of the present invention;
FIG. 4 is a top view of a gauge for a scroll compressor according to an embodiment of the present invention.
Reference numerals:
a first platform 1; a second platform 2, a dial 3; a rotating assembly 4; positioning assembly 5, positioning pin 51; positioning holes 52; a support table 53; a first measuring assembly 6; a bracket 61; a movable platform 62; a grating scale 63; an extension rod 64; a second measuring assembly 7; a zero calibration device 8; a first hole 9; a display device 10; a moving assembly 11;
a scroll compressor 2000.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
As shown in fig. 1 to 4, the measuring instrument for a scroll compressor 2000 according to the embodiment of the present invention includes a first platform 1, a second platform 2, a rotating assembly 4, a positioning assembly 5, a first measuring assembly 6, and a second measuring assembly 7, the second platform 2 is spaced apart from the first platform 1, a scale 3 is provided outside the second platform 2, the scale 3 is provided on the first platform 1, the scale 3 is disposed along an outer circumferential side of the second platform 2, and the scale 3 is spaced apart from the second platform 2. Rotating assembly 4 establishes between first platform 1 and second platform 2, and rotating assembly 4 and second platform 2 coaxial arrangement, rotating assembly 4 rotate with first platform 1 and be connected, rotating assembly 4 and second platform 2 fixed connection, and rotating assembly 4 can drive second platform 2 and rotate 1 first platform relatively. The positioning assembly 5 includes a plurality of positioning pins 51, a plurality of positioning holes 52 and a plurality of supporting platforms 53, the plurality of positioning holes 52 are all disposed on the second platform 2 and are circumferentially spaced apart along the second platform 2, the plurality of supporting platforms 53 are all circumferentially spaced apart along the second platform 2, and the plurality of positioning pins 51 are used for positioning the scroll compressor 2000. The first measuring assembly 6 is arranged on the first platform 1, the second measuring assembly 7 is arranged on the first platform 1, the first measuring assembly 6 and the second platform 2 are arranged at intervals, the first measuring assembly 6 is used for measuring the relative position size of each pipe orifice of the scroll compressor 2000, and the second measuring assembly 7 is used for measuring the relative angle value of each pipe orifice of the scroll compressor 2000.
Specifically, the first platform 1 may be a rectangular plate, the first platform 1 may be a reference surface of the measuring instrument, the second platform 2 may be a circular table, and the second platform 2 is horizontally spaced from the first platform 1. The rotating assembly 4 can be a rotating shaft, the rotating shaft is in rotating fit with the first platform 1 through a bearing, the rotating shaft and the second platform 2 can be fixedly connected through a bolt, and the second platform 2 can rotate relative to the first platform 1. The dial 3 may be a circular ring disc, the dial 3 may be provided on the outer peripheral side of the second platform 2 and arranged coaxially with the second platform 2, and the dial 3 may be fixedly connected to the first platform 1 by bolts. The number of the positioning pins 51 corresponds to the number of the positioning holes 52, the positioning pins 51 may be floating taper pins, the positioning pins 51 are in transition fit with the positioning holes 52, the positioning holes 52 may be uniformly arranged along the circumference of the second platform 2 at intervals, the positioning holes 52 may be provided with support tables 53 having through holes, the through holes of the support tables are coaxially arranged with the positioning holes 52, and the hole diameters of the support tables are equal, the number of the support tables 53 may correspond to the number of the positioning holes, and there may be 3 positioning holes. The first measuring assembly 6 may include a support 61, a grating scale 63, a telescopic rod 64 and a movable platform 62. The bottom of the bracket 61 is arranged on the first platform 1, and the bracket 61 is arranged at a distance from the second platform 2. The movable platform 62 is slidably fitted on the bracket 61, and the movable platform 62 can be controlled by bolts to move up and down along the bracket 61 and be fixed. The grating scale 63 is arranged on the movable platform 62, and the projection of the axis of the grating scale 63 on the second platform 2 passes through the center of the second platform 2. The movable platform 62 is provided with a fixed seat, the fixed seat is provided with a through hole, and the telescopic rod 64 is buckled and matched in the through hole, so that the telescopic rod 64 is fixed relative to the movable platform. The axis of the telescopic rod is intersected with the axis of the grating ruler 63 on a vertical surface, and the included angle alpha is equal to the included angle beta between the axis of the top end hanging hole of the scroll compressor 2000 and the reference surface. The grating ruler 63 is used for measuring the relative position size of each pipe orifice of the scroll compressor 2000, the telescopic rod 64 is used for measuring the relative position size of the lifting hook, the second measuring component 7 can be fixedly connected with the rotating shaft, and the second measuring component 7 can be an angle encoder and used for measuring the relative angle value of each pipe orifice of the scroll compressor 2000.
According to the measuring instrument provided by the embodiment of the utility model, the scroll compressor 2000 to be measured is placed on the support platform 53, the bottom of the scroll compressor 2000 is provided with a through hole corresponding to the positioning hole 52, and the center of the second platform 2 can be automatically found through the guide of the floating taper pin. Pass through-hole and locating hole 52 through locating pin 51 and transition fit can accurate positioning scroll compressor 2000, select any hole of scroll compressor 2000 upper wall as the benchmark hole, encoder and grating chi 63 set zero, second platform 2 rotates and drives scroll compressor 2000 and rotates, read encoder and grating chi 63's numerical value, the relative angle numerical value between encoder display measured hole and the benchmark hole, grating chi 63 shows the relative position size between measured hole mouth of pipe and the benchmark hole mouth of pipe, accomplish the measurement of a single size. The telescopic rod 64 is used for measuring the relative position size of the lifting hole at the top end of the scroll compressor 2000, the lifting hole is rotated to the position corresponding to the telescopic rod 64, the telescopic rod is extended to penetrate through the lifting hole, and the position size and the angle size of the lifting hole relative to the reference hole can be displayed on the telescopic rod 64 and the encoder.
In some embodiments, the measuring instrument further comprises a zero calibration device 8, the zero calibration device 8 is disposed on the first platform 1, and the outer periphery of the second platform 2 is provided with a first hole 9 corresponding to the zero calibration device 8.
Specifically, as shown in fig. 1, a first hole 9 is provided on the outer periphery of the second platform 2, and the zero calibration device 8 may be a pin, and the axis of the pin passes through the center of the second platform 2. The pin is in transition fit with the first hole 9, and when the second platform 2 rotates until the pin extends into the first hole 9, the measuring instrument is calibrated to be zero.
Because the measuring instrument adopts a comparative measurement method, the zero calibration device 8 is required to detect the precision of the encoder, the bolt is inserted into the first hole 9 to be set to zero, the bolt rotates 360 degrees, the bolt is inserted again to calibrate the encoder, the zero calibration of the angle encoder is completed, and the zero calibration of the grating ruler 63 is completed through the dimension of the calibration value between the fixed blocks.
In some embodiments, the measuring instrument further comprises a display device 10, the display device 10 is disposed on the first platform 1, the display device 10 is disposed at a distance from the second platform 2, and the display device 10 is electrically connected to the grating scale 63 and the second measuring component 7.
Specifically, as shown in fig. 1 to 4, the display device 10 is provided on the first platform 1, spaced apart from the second platform 2. The display device 10 may be a display, the display is electrically connected to the encoder and the grating ruler 63, and the data measured by the grating ruler 63 and the encoder may be displayed on the display, so as to facilitate reading.
In some embodiments, the plurality of positioning holes 52 are divided into a plurality of groups, the plurality of groups of positioning holes 52 are circumferentially distributed on the second platform 2 along different radii, the plurality of supporting platforms 53 are divided into a plurality of groups, and the plurality of groups of supporting platforms 53 are distributed on the second platform 2 corresponding to the plurality of groups of positioning holes 52.
Specifically, as shown in fig. 1, the plurality of positioning holes 52 may be divided into 2 groups, the number of the first group of positioning holes 52 may be 3, the number of the second group of positioning holes may be 4, the support table 53 is distributed corresponding to the positioning holes 52, and the support table 53 is provided with through holes which are arranged coaxially with the positioning holes 52. Each set of positioning holes 52 is circumferentially distributed on the second platform 2 along a different radius, and the distribution radius of each set of positioning holes 52 corresponds to the size of the scroll compressor 2000 with the different radius. The compatibility problem of the measuring instrument is solved.
In some embodiments, the measuring apparatus further comprises a moving assembly 11, and the first platform 1 is disposed on the moving assembly 11 and fixedly connected to the moving assembly 11.
Specifically, as shown in fig. 1-3, the moving assembly 11 may be a cart, and the first platform 1 is snap-fitted on top of the cart so that the measuring instrument can be moved in a horizontal plane, facilitating transportation and movement of the measuring instrument.
According to the measuring instrument provided by the embodiment of the utility model, during measurement, the positioning surface and the positioning hole 52 of the measured piece are wiped clean, the measured piece is placed on the supporting seat 53, after the floating taper pin is determined to fall into the positioning hole 52, the positioning is confirmed, any hole on the wall of the measured piece is selected as a reference hole, the plunger of the grating ruler is inserted into the reference hole, the display is set to zero, the plunger is taken out, the second platform is rotated, the measured hole is rotated to the position corresponding to the grating ruler, the plunger is inserted into the measured hole, and the value of the display, namely the single-size measurement result, is read. And repeating the process to complete the measurement of the relative position of the components of the measured component assembly. The measuring instrument provided by the embodiment of the utility model adopts a comparative measurement method, is simple to operate and control, is convenient and quick, controls the comprehensive position degree of the checking tool within 0.02mm of tolerance, and is practical and accurate in measuring result.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the utility model and it is intended to cover in the claims the utility model as defined in the appended claims.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "rear", "upper", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the scope of the present invention.
Claims (8)
1. A gage for a scroll compressor, characterized by: the method comprises the following steps:
a first platform;
the second platform is arranged at a distance from the first platform, a dial is arranged on the outer side of the second platform and is arranged on the first platform, and the dial is arranged along the outer peripheral side of the second platform and is arranged at a distance from the second platform;
the rotating assembly is arranged between the first platform and the second platform, the rotating assembly and the second platform are coaxially arranged, the rotating assembly is rotatably connected with the first platform, the rotating assembly is fixedly connected with the second platform, and the rotating assembly can drive the second platform to rotate relative to the first platform;
the positioning assembly comprises a plurality of positioning pins and a plurality of positioning holes, the positioning holes are all arranged on the second platform and are distributed at intervals along the circumferential direction of the second platform, and the positioning pins are used for positioning the scroll compressor;
the device comprises a first measuring assembly and a second measuring assembly, wherein the first measuring assembly is arranged on a first platform, the second measuring assembly is arranged on the first platform, the first measuring assembly and the second platform are arranged at intervals, the first measuring assembly is used for measuring the relative position size of each pipe orifice of the scroll compressor, and the second measuring assembly is used for measuring the relative angle value of each pipe orifice of the scroll compressor.
2. The gauge for a scroll compressor of claim 1, wherein: first measuring component includes the support, moves platform and grating chi and telescopic link, the bottom of support with first platform is connected, move the platform and establish on the support, with support sliding fit, it can move in the first direction to move the platform, the grating chi with the telescopic link is established move on the platform, the grating chi with the telescopic link interval arrangement.
3. The gauge for a scroll compressor of claim 2, wherein: the axis of the telescopic rod and the axis of the grating ruler are intersected to form an included angle alpha, and the included angle alpha is equal to an included angle beta between the axis of the upper lifting hole of the scroll compressor and the reference surface.
4. The gauge for a scroll compressor of claim 1, wherein: the zero-checking device is arranged on the first platform, and a first hole corresponding to the zero-checking device is formed in the peripheral side of the second platform.
5. The measuring instrument for the scroll compressor according to claim 2, further comprising a display device, wherein the display device is provided on the first platform, the display device is arranged at a distance from the second platform, and the display device is electrically connected with the grating ruler and the second measuring assembly.
6. The gauge for a scroll compressor of claim 1, wherein: the positioning device is characterized by further comprising a plurality of supporting tables, the plurality of positioning holes are divided into a plurality of groups, the plurality of groups of positioning holes are circumferentially distributed on the second platform along different radiuses, the plurality of supporting tables are divided into a plurality of groups, the plurality of groups of supporting tables and the plurality of groups of positioning holes are correspondingly distributed on the second platform, the supporting tables are provided with through holes, and the through holes and the positioning holes are coaxially arranged.
7. The gauge for a scroll compressor of claim 1, wherein: the first platform is arranged on the moving assembly and fixedly connected with the moving assembly.
8. The gauge for a scroll compressor of claim 1, wherein: the second measuring component is an angle encoder, the rotating component is a rotating shaft, and the angle encoder is arranged below the rotating shaft and fixedly connected with the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122001935.XU CN215810906U (en) | 2021-08-24 | 2021-08-24 | Measuring instrument for scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122001935.XU CN215810906U (en) | 2021-08-24 | 2021-08-24 | Measuring instrument for scroll compressor |
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| Publication Number | Publication Date |
|---|---|
| CN215810906U true CN215810906U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122001935.XU Active CN215810906U (en) | 2021-08-24 | 2021-08-24 | Measuring instrument for scroll compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587961A (en) * | 2021-08-24 | 2021-11-02 | 三门峡中原量仪股份有限公司 | Measuring instrument for scroll compressor |
| CN113587961B (en) * | 2021-08-24 | 2024-09-24 | 三门峡中原量仪股份有限公司 | Measuring instrument for vortex compressor |
-
2021
- 2021-08-24 CN CN202122001935.XU patent/CN215810906U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587961A (en) * | 2021-08-24 | 2021-11-02 | 三门峡中原量仪股份有限公司 | Measuring instrument for scroll compressor |
| CN113587961B (en) * | 2021-08-24 | 2024-09-24 | 三门峡中原量仪股份有限公司 | Measuring instrument for vortex compressor |
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