CN218443613U - Comprehensive universal checking fixture for measuring positions of three pipes of compressor - Google Patents
Comprehensive universal checking fixture for measuring positions of three pipes of compressor Download PDFInfo
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- CN218443613U CN218443613U CN202222351549.8U CN202222351549U CN218443613U CN 218443613 U CN218443613 U CN 218443613U CN 202222351549 U CN202222351549 U CN 202222351549U CN 218443613 U CN218443613 U CN 218443613U
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Abstract
The utility model discloses a comprehensive general checking fixture for measuring the position of three pipes of a compressor, which comprises a positioning reference plate, a length measuring device and an angle measuring device, wherein the positioning reference plate comprises a bottom plate, the middle part of the upper end surface of the bottom plate is connected with a square reference panel, the middle part of the upper end surface of the reference panel is provided with a supporting plate, four corners of the upper end surface of the supporting plate are movably connected with supporting pins, and the left side and the right side of the upper end surface of the reference panel are provided with two positioning pins; the angle measuring device comprises an angle measuring base, the angle measuring base is connected with a connecting rod mechanism through a pin shaft, one end of the connecting rod mechanism is provided with a measuring block, and the other end of the connecting rod mechanism is provided with a pointer swinging block. The device has strong adaptability and universality, is suitable for angle measurement at different height positions and the equal-height support pins can move in a certain range, and different product series can be covered in the moving region; the aperture of three pipes of different series products is universal in a certain range, and the whole series products are covered by the whole set of measuring crown; all the check tools used by various products in the previous stage are completely replaced, the measurement is convenient, and the numerical value reading and identification are intuitive.
Description
Technical Field
The utility model relates to a technical field of compressor technology particularly, relates to a measure comprehensive general utensil of examining of three pipe positions of compressor.
Background
The position of the three pipes of the compressor is determined according to the connecting position of a user in the refrigerator system, and the three pipes of the compressor are the requirements of the user for adapting to the production process of the product. Each user and each product have different position requirements, and the final product of the compressor must meet the use requirements of the users. The detection control is an essential link in the production process, the three-tube position of each product must be provided with a detection control means, and the detection tool must be configured in place.
In the prior art, the position of three pipes of a compressor is detected by comparing and detecting in the forms of block gauges, sample plates and the like; each product is provided with a set of checking tools.
The prior art has the following disadvantages:
1) The detection reference of part of detection items is not coincident with the design reference, and a measurement error exists;
2) The method has no universality, and each product must be provided with a set of checking tools;
3) The product development and replacement are rapid, and the checking fixture needs to be designed, manufactured and eliminated in large quantity based on the reason of the point 1);
4) Based on the reasons of the points 2) and 3), the management difficulty is increased;
5) Based on the reason of the point 4), errors are frequently caused to occur in use;
6) Based on the reasons of the 3) and the 5), the method causes great waste and poor economy.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a measure comprehensive general utensil of examining of three pipe positions of compressor can solve above-mentioned problem.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
a comprehensive universal check tool for measuring the position of three pipes of a compressor comprises a positioning reference plate, a length measuring device and an angle measuring device, wherein the positioning reference plate comprises a bottom plate, the middle part of the upper end surface of the bottom plate is connected with a square reference panel, a supporting plate is arranged in the middle of the upper end surface of the reference panel, four corners of the upper end surface of the supporting plate are movably connected with supporting pins, and two positioning pins are arranged on the left side and the right side of the upper end surface of the reference panel; the angle measuring device comprises an angle measuring base, the angle measuring base is connected with a connecting rod mechanism through a pin shaft, one end of the connecting rod mechanism is provided with a measuring block, and the other end of the connecting rod mechanism is provided with a pointer swinging block; the length measuring device comprises a length measuring base, a height measuring column is connected to the upper end of the length measuring base in a sliding mode, and the length measuring device further comprises a measuring crown.
Furthermore, a supporting block is connected to the upper end face of the supporting pin, and the upper end face of the supporting block is parallel to the upper end face of the bottom plate; the reference panel with the center of backup pad has all been seted up and has been dodged the groove.
Furthermore, two first arc surfaces are arranged at the top of the angle measuring base, and angle dividing scale lines are arranged on the two first arc surfaces; the connecting rod mechanism comprises a first connecting rod group and a second connecting rod group, and the first connecting rod group is movably connected with the second connecting rod group through an intermediate plate; one end face of the pointer swing block is a second arc face which is in an equal-radius arc with the first arc face.
Furthermore, pointer scales are arranged on the second arc surface, and the start points of the graduation lines of the two angle graduation lines are correspondingly staggered by 0.5 graduation unit; the measuring block comprises a measuring plane and two pin shaft holes with parallel axes, and the measuring plane of the measuring block is parallel to the axis surfaces of the two pin shaft holes.
Furthermore, a key groove is formed in the upper end face of the length measuring base, a connecting key is arranged at the bottom end of the height measuring column and in clearance fit with the key groove, and an X-axis scale division line and a Y-axis scale division line are respectively arranged on the first measuring face and the second measuring face on the two sides of the key groove.
Furthermore, two end faces of the bottom of the height measuring column are respectively provided with a vernier graduation scale line matched with the X-axis graduation line and the Y-axis graduation line; the front surface of the height measuring column comprises a narrow band plane positioned in the middle and three arc surfaces positioned on the left side and the right side of the narrow band plane, Z-axis graduation lines are arranged on the three arc surfaces on the two sides, and the starting points of the Z-axis graduation lines of the two Z-axis graduation lines are correspondingly staggered by 0.5 graduation units.
Furthermore, the measuring crown comprises a spherical crown, the middle of the spherical central surface of the spherical crown is connected with a mandrel, and the mandrel is a stepped elastic shaft.
The utility model has the advantages that: the comprehensive universal checking fixture for the three-pipe position of the compressor has strong adaptability and universality, is suitable for angle measurement of positions with different heights and the movement of supporting pins with the same height in a certain range, and covers different product series in the movement range; the aperture of three tubes of different series products is universal in a certain range, and the whole series products are covered by the whole set of measuring crown; all the check tools used by various products in the previous stage are completely replaced, the measurement is convenient, and the numerical value reading and identification are intuitive.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a comprehensive universal gauge for measuring the position of three pipes of a compressor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a positioning reference plate according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an angle measuring device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an angle measuring base according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a link mechanism according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a pointer swing block according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a length measuring device according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a length measuring base according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a height measuring column according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a measuring crown according to an embodiment of the present invention.
In the figure:
110. a base plate; 120. a reference panel; 130. a support plate; 140. a support pin; 150. positioning pins; 160. a supporting block;
210. a base for measuring angles; 211. a first arc surface; 212. a first central shaft hole; 2111. dividing the angle into scale lines; 2112. starting point of dividing line; 220. a measuring block; 230. a pointer swing block; 231. a second arc surface; 2311. pointer calibration; 232. a second central shaft hole; 233. a symmetrical pin hole; 240. a first link group; 250. a second linkage; 260. a middle plate; 270. a pin shaft;
310. a length measuring base; 320. a height measuring column; 321. a connecting bond; 322. a narrowband plane; 323. dividing and scribing a Y-axis vernier; 324. Dividing the Z axis into scale marks; 330. a first measuring surface; 331. dividing the X axis into scale marks; 340. a second measuring plane; 341. dividing the Y axis into scale marks;
410. a spherical cap; 411. a spherical center plane; 420. a mandrel;
500. and (5) a workpiece.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1-10, according to the embodiment of the present invention, the comprehensive universal measuring tool for measuring the position of three pipes of a compressor comprises a positioning reference plate, a length measuring device and an angle measuring device, wherein the positioning reference plate comprises a bottom plate 110, a square reference panel 120 is connected to the middle of the upper end surface of the bottom plate 110, a supporting plate 130 is arranged in the middle of the upper end surface of the reference panel 120, four corners of the upper end surface of the supporting plate 130 are movably connected with supporting pins 140, and two positioning pins 150 are arranged on the left and right sides of the upper end surface of the reference panel 120; the angle measuring device comprises an angle measuring base 210, the angle measuring base 210 is connected with a connecting rod mechanism through a pin 270, one end of the connecting rod mechanism is provided with a measuring block 220, and the other end of the connecting rod mechanism is provided with a pointer swinging block 230; the length measuring device comprises a length measuring base 310, a height measuring column 320 is connected to the upper end of the length measuring base 310 in a sliding mode, and the length measuring device further comprises a measuring crown.
In an embodiment of the present invention, as shown in fig. 2, a supporting block 160 is connected to an upper end surface of the supporting pin 140, and an upper end surface of the supporting block 160 is parallel to an upper end surface of the bottom plate 110; the reference panel 120 and the support plate 130 are respectively provided at the center thereof with an avoiding groove (the avoiding groove is used for avoiding a protruding part at the lower end of the workpiece 500), the positions of the support portions of the lower end surfaces of different workpieces 500 are different, and the support pin 140 is rotated to change the position of the support block 160 to adjust the position of the support block 160, so as to support different workpieces 500.
In an embodiment of the present invention, as shown in fig. 5, the link mechanism includes a first link group 240 and a second link group 250, the two link groups are connected into a whole through an intermediate plate 260, wherein the head end of the first link group 240 is connected to a measuring block 220 through two pin shafts, and the second link group 250 is connected to a pointer swing block 230 through two pin shafts through a symmetrical pin shaft hole 233; as shown in fig. 3-6, the pin 270 passes through the first central axis hole 212 and the second central axis hole 232 to connect the link mechanism and the angle-measuring base 210 into a whole, the first link group 240 and the second link group 250 are linked to move the measuring block 220 to make the measuring plane thereof contact with the pipe to be measured, and the angle to be measured is read out through the angle graduation marks 2111 indicated by the pointer graduation 2311, wherein the starting point 2112 of the graduation lines of the two angle graduation marks 2111 is correspondingly staggered by 0.5 graduation units (the angle measurement graduation and the height measurement graduation are equally double-row, are staggered by half graduation value, and the graduation grade is improved).
In an embodiment of the present invention, as shown in fig. 7-9, through the clearance fit of the connecting key 321 and the key slot, the sliding connection between the height measuring column 320 and the length measuring base is realized, the first measuring surface 330 and the second measuring surface 340 are respectively provided with the X-axis graduation mark 331, the Y-axis graduation mark 341 is used for the readings of the X-axis and the Y-axis of the pipe to be measured, in order to indicate the accuracy of the readings and the readings, two end surfaces at the bottom of the height measuring column 320 are respectively provided with the cursor graduation mark matched with the X-axis graduation mark 331 and the Y-axis graduation mark 341 (for example, the Y-axis cursor graduation mark 323 matched with the Y-axis graduation mark 341), the front of the height measuring column 320 is provided with the Z-axis graduation mark 324 for the readings of the Y-axis of the pipe to be measured, the middle part of the front of the height measuring column 320 is set to be the narrow band plane 322, so as to be attached to the spherical crown 410.
In one embodiment of the present invention, the measuring crown includes a spherical crown 410 and a mandrel 420, the bottom plane of the spherical crown 410 sinks to the spherical central surface 411, the center of the spherical central surface 411 is provided with a pin hole four, the mandrel 420 is a step elastic shaft, one end of the mandrel is in interference fit with the pin hole four, and the other end of the mandrel is in elastic expansion fit with the pipe hole of the pipe to be measured.
When the angle measuring device is used, the position of the supporting block 160 is adjusted by the supporting pin 140, the workpiece 500 is placed on the supporting block 160 and is positioned by the positioning pin 150, the front end surface of the reference panel 120 is used as a Y-axis positioning reference surface, the left and right end surfaces of the reference panel 120 are used as X-axis positioning reference surfaces, and the upper end surface of the supporting block 160 is used as a Z-axis positioning reference surface, when a pipe to be measured on the right side of the workpiece 500 is measured by the angle measuring device as shown in FIG. 1, the angle measuring device is slid to a position to be measured (lubricating oil is coated on the upper end surface of the bottom plate 110 to make the angle measuring device or the length measuring device slide more smoothly), the front end surface of the angle measuring base 210 is abutted against the right end surface of the reference panel 120, when the length measuring device is used for measuring a pipe to be measured on the left side of a workpiece 500 in fig. 1, firstly, the mandrel 420 of the measuring crown is connected with the pipe hole of the pipe to be measured in an elastic expansion and contraction fit manner, then the length measuring device is slid to a position to be measured, the front end face of the length measuring base 310 is abutted against the left end face or the front end face of the reference panel 120, the height measuring column 320 is slid, the spherical crown 410 is abutted against the narrow-band plane of the height measuring column 320, and at the moment, the X-axis relative reading, the Y-axis relative reading and the Z-axis relative reading can be read from the X-axis sub-scale line 331, the Y-axis sub-scale line 341 and the Z-axis sub-scale line 324 respectively. Finally, the angle degree, the X-axis relative reading, the Y-axis relative reading and the Z-axis relative reading measured by each tube to be measured are compared with the product requirement value, so that whether the workpiece 500 is qualified or not is determined.
In summary, the following steps: the coordinate Z axis of the reference panel 120 coincides with the coordinate Z axis of the product design, the vertical cross sections on the X axis and the Y axis are respectively used as X/Y direction measurement reference surfaces, the distance from the coordinate center is set in the measurement range of the product, the Z axis vertical cross section is used as the Z direction measurement reference surface and coincides with the product design reference, an operation platform and a measurement positioning reference are provided for angle measurement and length measurement, and the proper distance from the X, Y direction reference surface to the coordinate center is determined to cover a whole series of products as a fixed base value; the angle measuring base 210 is connected with a connecting rod mechanism (a parallel four-bar mechanism) through a pin 270 to form a whole, the parallel four-bar mechanism can rotate around the angle measuring base 210, scribed lines on the parallel four-bar mechanism are used as pointers to form angle indicating values with reference lines on the angle measuring base 210, the angle indicating values are suitable for different positions of three pipes, and a measuring block reaches a measuring position through a multi-stage parallel four-bar mechanism; the length measuring device comprises a length measuring base 310, a height measuring column 320 and a measuring crown; the measuring crown is inserted into a three-pipe hole of the compressor, the datum plane of the length measuring base 310 is attached to the X or Y datum plane of the datum panel 120, the height measuring column 320 slides on the length measuring base 310 to be in contact with the measuring crown, the Z-direction scale of the height measuring column 320 indicates the height of three pipes, ruled lines on two sides of the height measuring column 320 and scale marks of the length measuring base 310 form vernier scales to indicate the positions of the three pipes in the X or Y direction, the lengths in the vertical direction and the horizontal direction can be measured at one time, and the vernier scale measuring mechanism improves the reading value accuracy; the measuring crown comprises a spherical crown 410 and a mandrel 420, the outer arc surface of the spherical crown 410 exceeds the radius, the bottom plane of the spherical crown sinks to the spherical central surface 411, the mandrel 420 is a stepped elastic shaft, one end of the mandrel is in interference fit with the spherical crown central hole, the other end of the mandrel is in elastic telescopic fit with the three tube hole diameters of a product, the virtual central point of the three tube hole orifices of the tested compressor extends to the surface of the spherical crown to be equivalently measurable, the centering precision of the elastic shaft is improved, and the operation is convenient.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a measure general utensil of examining of synthesizing of three pipe positions of compressor, includes location datum plate, length measuring device and angle measuring device, its characterized in that: the positioning reference plate comprises a bottom plate (110), a square reference panel (120) is connected to the middle of the upper end face of the bottom plate (110), a supporting plate (130) is arranged in the middle of the upper end face of the reference panel (120), four corners of the upper end face of the supporting plate (130) are movably connected with supporting pins (140), and two positioning pins (150) are arranged on the left side and the right side of the upper end face of the reference panel (120); the angle measuring device comprises an angle measuring base (210), the angle measuring base (210) is connected with a connecting rod mechanism through a pin shaft (270), one end of the connecting rod mechanism is provided with a measuring block (220), and the other end of the connecting rod mechanism is provided with a pointer swinging block (230); the length measuring device comprises a length measuring base (310), a height measuring column (320) is connected to the upper end of the length measuring base (310) in a sliding mode, and the length measuring device further comprises a measuring crown.
2. The comprehensive universal gauge for measuring the position of the three pipes of the compressor according to claim 1, characterized in that: the upper end surface of the supporting pin (140) is connected with a supporting block (160), and the upper end surface of the supporting block (160) is parallel to the upper end surface of the bottom plate (110); the center of the reference panel (120) and the center of the supporting plate (130) are both provided with avoidance grooves.
3. The comprehensive universal gauge for measuring the position of the three pipes of the compressor according to claim 1, characterized in that: the top of the angle measuring base (210) is provided with two first arc surfaces (211), and angle division scale lines (2111) are arranged on the two first arc surfaces (211); the linkage mechanism comprises a first linkage (240) and a second linkage (250), and the first linkage (240) is movably connected with the second linkage (250) through an intermediate plate (260); one end face of the pointer swing block (230) is a second arc face (231) which is in an arc with the same radius as the first arc face (211).
4. The comprehensive universal gauge for measuring the position of the three pipes of the compressor according to claim 3, characterized in that: pointer scales (2311) are arranged on the second arc surface (231), and the dividing line starting points (2112) of the two angle dividing lines (2111) are correspondingly staggered by 0.5 dividing units; the measuring block (220) comprises a measuring plane and two pin shaft holes with parallel axes, and the measuring plane of the measuring block (220) is parallel to the axis surfaces of the two pin shaft holes.
5. The comprehensive universal gauge for measuring the position of the three pipes of the compressor according to claim 1, characterized in that: the length measuring device is characterized in that a key groove is formed in the upper end face of the length measuring base (310), a connecting key (321) is arranged at the bottom end of the height measuring column (320), the connecting key (321) is in clearance fit with the key groove, and an X-axis graduation mark (331) and a Y-axis graduation mark (341) are respectively arranged on the first measuring face (330) and the second measuring face (340) on two sides of the key groove.
6. The comprehensive universal gauge for measuring the position of the three pipes of the compressor according to claim 5, wherein: two end surfaces of the bottom of the height measuring column (320) are respectively provided with a vernier graduation scale line which is matched with the X-axis graduation scale line (331) and the Y-axis graduation scale line (341); the front surface of the height measuring column (320) comprises a narrow band plane (322) located in the middle and three arc surfaces located on the left side and the right side of the narrow band plane (322), Z-axis graduation lines (324) are arranged on the three arc surfaces on the two sides, and the starting points of the Z-axis graduation lines of the two Z-axis graduation lines (324) are correspondingly staggered by 0.5 graduation unit.
7. The comprehensive universal gauge for measuring the position of the three pipes of the compressor, according to claim 1, is characterized in that: the measuring crown comprises a spherical crown (410), the middle of a spherical central surface (411) of the spherical crown (410) is connected with a mandrel (420), and the mandrel (420) is a stepped elastic shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222351549.8U CN218443613U (en) | 2022-09-05 | 2022-09-05 | Comprehensive universal checking fixture for measuring positions of three pipes of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222351549.8U CN218443613U (en) | 2022-09-05 | 2022-09-05 | Comprehensive universal checking fixture for measuring positions of three pipes of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218443613U true CN218443613U (en) | 2023-02-03 |
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ID=85102572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222351549.8U Active CN218443613U (en) | 2022-09-05 | 2022-09-05 | Comprehensive universal checking fixture for measuring positions of three pipes of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218443613U (en) |
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2022
- 2022-09-05 CN CN202222351549.8U patent/CN218443613U/en active Active
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