CN118274941A - Weighing mechanism of three-foot type static moment measuring device - Google Patents
Weighing mechanism of three-foot type static moment measuring device Download PDFInfo
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- CN118274941A CN118274941A CN202410301223.5A CN202410301223A CN118274941A CN 118274941 A CN118274941 A CN 118274941A CN 202410301223 A CN202410301223 A CN 202410301223A CN 118274941 A CN118274941 A CN 118274941A
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- sliding
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- 230000007246 mechanism Effects 0.000 title claims abstract description 51
- 230000003068 static effect Effects 0.000 title claims abstract description 28
- 238000005303 weighing Methods 0.000 title claims abstract description 18
- 230000005484 gravity Effects 0.000 claims abstract description 61
- 238000012545 processing Methods 0.000 claims description 6
- 238000009966 trimming Methods 0.000 claims 5
- 238000005259 measurement Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses a weighing mechanism of a tripod static moment measuring device, which comprises three scales, wherein the three scales are respectively a first scale, a second scale and a third scale, a first gravity sensor is arranged below the first scale, a first roller Z-axis fine tuning assembly is fixedly connected to the lower end of the first gravity sensor, a first sliding table is fixedly connected to the lower end of the first roller Z-axis fine tuning assembly, a first sliding mechanism is connected to the lower end of the first sliding table, a second gravity sensor is arranged below the second scale, a second roller Z-axis fine tuning assembly is fixedly connected to the lower end of the second gravity sensor, a first sliding mechanism is connected to the lower end of the second roller Z-axis fine tuning assembly, a third gravity sensor is arranged below the third scale, a third roller Z-axis fine tuning assembly is fixedly connected to the lower end of the third gravity sensor, a second sliding table is fixedly connected to the lower end of the third roller Z-axis fine tuning assembly, and a second sliding table is fixedly connected to the lower end of the second sliding table, and a second sliding mechanism and a third static moment measuring device can be installed on a platform by using the platform.
Description
Technical Field
The invention relates to the technical field of measurement, in particular to a weighing mechanism of a tripod type static moment measuring device.
Background
The device for measuring the static moment of the blade in the development and production of the rotor blade of the aero-engine and the gas turbine adopts an integral structure integrating a fixed arm, a movable arm and a tenon at present. Because the engine is more in related models, the structures and the sizes of the models are different, and the rotor of each model corresponds to the multi-stage impeller, the radius of each stage of impeller is different, and each stage of blade is required to be designed with a corresponding device for measuring the static moment of the blade, so that the number of measuring devices is large, the cost is high and the economical efficiency is poor.
Chinese patent CN116413020A, including fixed arm, digital display ruler, movable arm, tenon and jackscrew change original measuring device overall structure into adjustable structure, adjust rim plate radius size through the removal of movable arm, realize that a set of device accomplishes the measurement of different rotor blade static moment. When the static moment of each blade is measured, the blade can be installed by only replacing the rabbet corresponding to the blade. The device can be used for measuring the static moment of the blade with different wheel disc radius sizes of multiple models, but the device can only be used for measuring the one-dimensional static moment of the blade, namely the static moment from the tenon position of the blade to the far end of the blade, and the static moment of the other two dimensions of the blade can not be measured.
Disclosure of Invention
The invention aims to provide a weighing mechanism of a three-foot type static moment measuring device, which aims to solve the technical problem that only one-dimensional static moment of a blade can be measured in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a tripod static moment measuring device's weighing machine constructs, includes three pan of scale, is first pan of scale, second pan of scale and third pan of scale respectively, be provided with first gravity sensor below the first pan of scale, first gravity sensor lower extreme fixedly connected with first roller Z axle fine setting subassembly, first roller Z axle fine setting subassembly lower extreme fixedly connected with first slip table, first slip table below is connected with first sliding mechanism, be provided with second gravity sensor below the second pan of scale, second gravity sensor lower extreme fixedly connected with second roller Z axle fine setting subassembly, second slip table below is connected with first sliding mechanism, be provided with third gravity sensor below the third pan of scale, third gravity sensor lower extreme fixedly connected with third roller Z axle fine setting subassembly, third slip table below is connected with second sliding mechanism, first sliding mechanism and second sliding mechanism are all installed on the work platform.
Further, the first scale pan, the second scale pan and the third scale pan have identical structures, the lower end face of each scale pan is provided with a positioning block, the first gravity sensor, the second gravity sensor and the third gravity sensor have identical structures, and the upper end face of each gravity sensor is provided with a blind hole corresponding to the positioning block.
Further, the first gravity sensor is connected to the first roller Z-axis fine adjustment assembly through a first fixed connection plate, the second gravity sensor is connected to the second roller Z-axis fine adjustment assembly through a second fixed connection plate, and the third gravity sensor is connected to the third roller Z-axis fine adjustment assembly through a third fixed connection plate.
Further, first fixed connection board, second fixed connection board, third fixed connection board have the same structure, and every fixed connection board includes locating plate above and connecting plate below, the left and right sides of locating plate is equipped with the boss, is provided with the screw hole on the boss, the left and right sides both ends of connecting plate are provided with the through-hole that corresponds with the screw hole on the boss, and both sides are provided with the screw hole of being connected with roller Z axle fine setting assembly usefulness, and a plurality of great through-holes are seted up at the middle part.
Further, the first roller Z-axis fine adjustment assembly is connected with the first sliding table through a first adjustment connecting plate, the second roller Z-axis fine adjustment assembly is connected with the second sliding table through a second adjustment connecting plate, and the third roller Z-axis fine adjustment assembly is connected with the third sliding table through a third adjustment connecting plate.
Further, the first adjusting connecting plate, the second adjusting connecting plate and the third adjusting connecting plate have the same structure, and a plurality of threaded holes are symmetrically formed in two sides of each connecting plate.
Further, the first sliding table, the second sliding table and the third sliding table have the same structure, and a plurality of threaded holes are symmetrically formed in two sides of each sliding table.
Further, the first sliding mechanism and the second sliding mechanism are distributed in a T shape on the working platform.
Further, the first gravity sensor, the second gravity sensor and the third gravity sensor are all connected with a data acquisition and processing system, the first sliding mechanism and the second sliding mechanism are all electrically connected with a control system, and one side of the sliding mechanism is provided with a wire trend assembly.
Compared with the prior art, the invention has the beneficial effects that:
1. through the tripod measurement principle, a special weighing mechanism is designed, so that multi-pose weighing of the blade is realized, three-dimensional static moment data of the blade can be detected, and accurate measurement of static moment of different blade parts is realized.
2. In the detection process, three-point simultaneous measurement is realized through the help of the sliding mechanism, and the gravity sensor and the sliding mechanism are integrated with the data acquisition and processing system and the control system, so that full-automatic measurement of the static moment of the blade is realized, and the measurement efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the general assembly of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3is a schematic view of the structure of the scale pan of the present invention;
FIG. 4 is a schematic view of a gravity sensor of the present invention;
FIG. 5 is a schematic view of a structure of a fixed connection plate of the present invention;
FIG. 6is a schematic view of the roller Z-axis fine tuning assembly of the present invention;
FIG. 7 is a schematic view of an adjustment web of the present invention;
FIG. 8 is a schematic view of a sliding table structure according to the present invention;
In the figure: 1. a scale pan; 101. a positioning block; 2. a gravity sensor; 201. a blind hole; 3. fixing the connecting plate; 301. a positioning plate; 3011. a boss; 3012. a threaded hole; 302. a connecting plate; 3021. a through hole; 3022. a larger through hole; 4. adjusting the connecting plate; 5. a sliding table; 6. a sliding mechanism; 7. a working platform; 8. a roller Z-axis fine tuning assembly; 9. the wires run to the assembly.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
Referring to fig. 1-8, the present invention provides a technical solution: including three pan of steelyard 1 and three gravity sensor 2, three pan of steelyard 1 is first pan of steelyard 1, second pan of steelyard 1 and third pan of steelyard 1 respectively, 1 below first pan of steelyard sets up first gravity sensor 2, first gravity sensor 2 lower extreme fixedly connected with first roller Z axle fine setting assembly 8, first roller Z axle fine setting assembly 8 lower extreme fixedly connected with first slip table 5, first slip table 5 below is connected with first slide mechanism 6, set up second gravity sensor 2 below second pan of steelyard 1, second gravity sensor 2 lower extreme fixedly connected with second roller Z axle fine setting assembly 8, second slip table below is connected with first slide mechanism 6, third pan of steelyard 1 below is provided with third gravity sensor 2, third roller Z axle fine setting assembly 8 lower extreme fixedly connected with third slip table 5, third slip table 5 and third slip table 6 are all installed to the work platform, first slip mechanism 7 is installed to the second.
The first scale pan, the second scale pan and the third scale pan can be adjusted by adjusting the sliding mechanism, so that the position relation among the three scale pans is changed, and the optimal measuring position is obtained. The first gravity sensor, the second gravity sensor and the third gravity sensor are all electrically connected to the data recording and processing system.
Example 2
According to fig. 3 and 4, the first scale pan, the second scale pan and the third scale pan have identical structures, the lower end surface of each scale pan is provided with a positioning block 101, the first gravity sensor, the second gravity sensor and the third gravity sensor have identical structures, and the upper end surface of each gravity sensor is provided with a blind hole 201 corresponding to the positioning block 101.
The positioning block 101 may have a cylindrical shape or a prismatic shape, the blind hole 201 corresponding to the positioning block 101 may have a circular shape or a polygonal shape, the blind hole 201 is preferably a quadrangle, and the positioning block 101 is preferably a quadrangular prism.
Example 3
According to fig. 1, 2, 5 and 6, the first gravity sensor 2 is connected to the first roller Z-axis fine adjustment assembly 8 through the first fixed connection plate 3, the second gravity sensor 2 is connected to the second roller Z-axis fine adjustment assembly 8 through the second fixed connection plate 3, and the third gravity sensor 2 is connected to the third roller Z-axis fine adjustment assembly 8 through the third fixed connection plate 3.
The first fixed connection board, the second fixed connection board, the third fixed connection board have the same structure, and every fixed connection board includes locating plate 301 above and connecting plate 302 below, the both ends are equipped with boss 3011 about locating plate 301, are provided with screw hole 3012 on the boss, and both ends are provided with the through-hole 3021 that corresponds with the screw hole on the boss about connecting plate 302, and both sides are provided with the screw hole of being connected usefulness with roller Z axle fine setting assembly, and a plurality of great through-holes 3022 are seted up at the middle part.
The boss 3011 is used for positioning the gravity sensor, and the larger through hole 3022 is formed, so that the weight of the mechanism can be reduced, and the purpose of light weight design is achieved.
Example 4
According to fig. 1, 6 to 8, the first roller Z-axis fine adjustment assembly 8 is connected to the first sliding table 5 through the first adjustment connection plate 4, the second roller Z-axis fine adjustment assembly 8 is connected to the second sliding table 5 through the second adjustment connection plate 4, and the third roller Z-axis fine adjustment assembly is connected to the third sliding table 5 through the third adjustment connection plate 4.
The first adjusting connecting plate, the second adjusting connecting plate and the third adjusting connecting plate have the same structure, and a plurality of threaded holes are symmetrically formed in two sides of each adjusting connecting plate 4; the first sliding table, the second sliding table and the third sliding table have the same structure, and a plurality of threaded holes are symmetrically formed in two sides of each sliding table 5; the first sliding mechanism and the second sliding mechanism are distributed in a T shape on the working platform 7. The first gravity sensor, the second gravity sensor and the third gravity sensor are all connected with a data acquisition and processing system, the first sliding mechanism and the second sliding mechanism are all electrically connected with a control system, and one side of the sliding mechanism is provided with a wire trend assembly 9.
The connection position between the connecting plate and the sliding table is adjusted according to actual needs through threaded holes at different positions on the connecting plate, so that weighing is facilitated more conveniently; the T-shaped distribution of the sliding mechanism and the second sliding mechanism on the working platform 7 is beneficial to the convenience of adjusting the relative positions of the three scales.
The data recording processing system, the control system may employ prior art and will not be described in detail herein.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a tripod static moment measuring device's weighing machine constructs, its characterized in that includes three pan of steelyard, is first pan of steelyard, second pan of steelyard and third pan of steelyard respectively, be provided with first gravity sensor below the first pan of steelyard, first gravity sensor lower extreme fixedly connected with first roller Z axle trimming subassembly, first slip table of first roller Z axle trimming subassembly lower extreme fixedly connected with, first slip table below is connected with first sliding mechanism, be provided with second gravity sensor below the second pan of steelyard, second gravity sensor lower extreme fixedly connected with second roller Z axle trimming subassembly, second slip table below is connected with first sliding mechanism, be provided with third gravity sensor below the third pan of steelyard, third gravity sensor lower extreme fixedly connected with third roller Z axle trimming subassembly, third roller Z axle trimming subassembly lower extreme fixedly connected with third slip table, third slip table below is connected with second sliding mechanism and second sliding mechanism, first sliding mechanism is installed on the work platform.
2. The weighing mechanism of the tripod type static moment measuring apparatus according to claim 1, wherein the first scale pan, the second scale pan and the third scale pan have identical structures, a positioning block is arranged on the lower end face of each scale pan, the first gravity sensor, the second gravity sensor and the third gravity sensor have identical structures, and a blind hole corresponding to the positioning block is arranged on the upper end face of each gravity sensor.
3. The weighing mechanism of the tripod static moment measuring apparatus according to claim 1, wherein the first gravity sensor is connected to the upper end surface of the first roller Z-axis fine adjustment assembly through a first fixed connection plate, the second gravity sensor is connected to the upper end surface of the second roller Z-axis fine adjustment assembly through a second fixed connection plate, and the third gravity sensor is connected to the upper end surface of the third roller Z-axis fine adjustment assembly through a third fixed connection plate.
4. The weighing mechanism of the tripod static torque measuring apparatus according to claim 3, wherein the first fixed connecting plate, the second fixed connecting plate and the third fixed connecting plate have the same structure, each fixed connecting plate comprises an upper locating plate and a lower connecting plate, the left and right ends of the locating plate are provided with bosses, threaded holes are formed in the bosses, through holes corresponding to the threaded holes in the bosses are formed in the left and right ends of the connecting plate, threaded holes for connection with the roller Z-axis fine adjustment assembly are formed in two sides of the connecting plate, and a plurality of larger through holes are formed in the middle of the connecting plate.
5. The weighing mechanism of a tripod static torque meter according to claim 1, wherein said first roller Z-axis fine tuning assembly is connected to said first slip via a first adjustment web, said second roller Z-axis fine tuning assembly is connected to said second slip via a second adjustment web, and said third roller Z-axis fine tuning assembly is connected to said third slip via a third adjustment web.
6. The weighing mechanism of a tripod type static torque measuring apparatus of claim 5 wherein said first, second and third adjusting connecting plates have the same structure, and a plurality of screw holes are symmetrically provided on both sides of each connecting plate.
7. The weighing mechanism of a three-legged static torque measuring device according to claim 5 or 6, wherein the first sliding table, the second sliding table and the third sliding table have the same structure, and a plurality of threaded holes are symmetrically formed in two sides of each sliding table.
8. The weighing mechanism of a tripod type static torque measuring apparatus of claim 1 wherein said first and second slip mechanisms are distributed in a T-shape on a work platform.
9. The weighing mechanism of the tripod type static moment measuring apparatus according to claim 1, wherein the first gravity sensor, the second gravity sensor and the third gravity sensor are all connected with a data acquisition and processing system, the first sliding mechanism and the second sliding mechanism are all electrically connected with a control system, and a wire trend assembly is arranged on one side of each sliding mechanism.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118274941A true CN118274941A (en) | 2024-07-02 |
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