CN107941243B - Automatic calibration equipment for hydraulic leveling unit - Google Patents
Automatic calibration equipment for hydraulic leveling unit Download PDFInfo
- Publication number
- CN107941243B CN107941243B CN201711360836.2A CN201711360836A CN107941243B CN 107941243 B CN107941243 B CN 107941243B CN 201711360836 A CN201711360836 A CN 201711360836A CN 107941243 B CN107941243 B CN 107941243B
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- leveling unit
- hydraulic leveling
- frame
- oil groove
- linear guide
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- 238000012360 testing method Methods 0.000 claims abstract description 48
- 238000007689 inspection Methods 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses automatic calibration equipment for a hydraulic leveling unit, which is characterized by comprising an electric cabinet, a linear guide rail module, a test fixture, an industrial personal computer, an oil groove, a rack, the hydraulic leveling unit, a data forwarding device and an environment sensor; the frame is frame construction, the oil groove is located the frame center, and its upper end is equipped with the notch, and the oil groove upper end exceeds the frame upper surface, the linear guide module is located the oil groove, test fixture fixed mounting is on the linear guide module, hydraulic pressure leveling unit and data forwarding device fixed mounting are on test fixture, electric cabinet and industrial computer all are located the oil groove outside, and are located the frame top, electric cabinet and industrial computer respectively with frame fixed connection, environmental sensor installs on the frame inner wall of frame. The invention realizes the calibration and inspection automation of the hydraulic leveling unit, simplifies the operation flow and improves the test efficiency.
Description
Technical Field
The invention belongs to the technical field of automatic instruments, and particularly relates to automatic calibration equipment for a hydraulic leveling unit.
Background
The hydraulic static level gauge is a liquid level measuring system, is a precise instrument for measuring the relative elevation difference between two or more points, and is mainly used for large-scale building engineering, including monitoring and measuring of multipoint vertical displacement of dams, power stations, high-rise buildings, foundation pits, bridges, railways and the like. However, the calibration and inspection work of the hydraulic hydrostatic level for the hydraulic leveling unit can only be performed manually at present, and no special equipment exists in the aspect of automatic calibration and inspection, which tends to result in low work efficiency.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the automatic calibration equipment for the hydraulic leveling unit realizes automatic calibration and inspection, and solves the problems of troublesome manual calibration and inspection operation and low working efficiency.
In order to achieve the technical effects, the invention adopts the following technical scheme:
an automatic calibration device for a hydraulic leveling unit comprises an electric cabinet, a linear guide rail module, a test fixture, an industrial personal computer, an oil groove, a rack, the hydraulic leveling unit, a data forwarding device and an environment sensor; the machine frame is of a frame structure, the oil groove is arranged at the center of the machine frame, a notch is formed in the upper end of the oil groove, the upper end of the oil groove is higher than the upper surface of the machine frame, the linear guide rail module is arranged in the oil groove, the test fixture is fixedly arranged on the linear guide rail module, the hydraulic leveling unit and the data forwarding device are fixedly arranged on the test fixture, the linear guide rail module is used for driving the test fixture, the hydraulic leveling unit and the data forwarding device to slide up and down in the oil groove, the electric cabinet and the industrial personal computer are both arranged on the outer side of the oil groove and are arranged above the machine frame, the electric cabinet and the industrial personal computer are respectively fixedly connected with the machine frame, and the environment sensor is arranged on the inner wall of the frame of the machine frame; the electric cabinet is electrically connected with the linear guide rail module and the industrial personal computer, the hydraulic leveling unit is connected with the data forwarding device through a data line, and the industrial personal computer is connected with the data forwarding device and the environment sensor respectively.
Further, still include the printer, the printer is located the oil groove outside, and is located the frame top, and the printer is connected with the electric cabinet electricity, printer and industrial computer data connection.
Further, the test fixture is provided with a bottom plate, a middle frame and a panel, the bottom plate, the middle frame and the panel are sequentially attached and fixed into an integral structure, a plurality of slots are formed in the bottom plate, the middle frame and the panel, corresponding slots in each of the bottom plate, the middle frame and the panel form a clamping groove for installing a hydraulic leveling unit, and the hydraulic leveling unit is located in the clamping groove.
Further, the test fixture is provided with a spring clamp outside the clamping groove, and the hydraulic leveling unit is fixed in the clamping groove through the spring clamp in a pressing mode.
Further, two test clamps on the linear guide rail module are arranged in parallel and in mirror symmetry, a fixing seat is further arranged between the two test clamps, and the two test clamps are fixedly connected into a whole through the fixing seat.
Further, four hydraulic leveling units are fixedly installed on each test fixture.
Further, the oil groove is cylindrical.
Compared with the prior art, the invention has the beneficial effects that:
1. the hydraulic leveling unit calibration and inspection automation is realized, the operation flow is simplified, and the test efficiency is improved.
2. Through establishing two test fixture on the linear guide module to and through setting up a plurality of hydraulic pressure leveling unit on every test fixture, can once calibrate simultaneously and verify a batch of hydraulic pressure leveling unit, the calibration test process is whole by computer intelligent control, has improved the efficiency and the accuracy of calibration test, and information such as the calibration data of hydraulic pressure leveling unit and calibration environmental data are preserved in product data backend server simultaneously, and the product information is traced back in the convenience inquiry at any time, has realized intellectuality and informatization.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments thereof, together with the following detailed description of the invention, given by way of illustration only, together with the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of an automatic calibration apparatus for a hydraulic leveling unit according to the present invention.
Fig. 2 is a schematic structural view of the test fixture of the present invention.
The reference numerals and corresponding names in the drawings are:
1-an electric cabinet; 2-a linear guide rail module; 3-testing the clamp;
31- - -a bottom plate; 32- - -a middle frame; 33- - -a panel;
34— a spring clip; 35-a fixed seat; 4, an industrial personal computer;
5-an oil groove; 6-a frame; 7-a data forwarding device;
8-a hydraulic leveling unit; 9- -printer; 10-environmental sensor.
Detailed Description
As shown in fig. 1, the automatic calibration equipment for the hydraulic leveling unit comprises an electric cabinet 1, a linear guide rail module 2, a test fixture 3, an industrial personal computer 4, an oil groove 5, a rack 6, a hydraulic leveling unit 8, a data forwarding device 7, an environment sensor 10 and a printer 9. The frame 6 is of a frame structure, the oil groove 5 is positioned in the center of the frame 6, a notch is arranged at the upper end of the oil groove 5, and the upper end of the oil groove 5 is higher than the upper surface of the frame 6. The linear guide rail module 2 is located the oil groove 5, and test fixture 3 fixed mounting is on the linear guide rail module 2, and hydraulic leveling unit 8 and data transmission device 7 fixed mounting are on test fixture 3, and linear guide rail module 2 is used for driving test fixture 3 and hydraulic leveling unit 8 and data transmission device 7 and slides from top to bottom in oil groove 5 inside. Preferably, two test fixtures 3 are arranged on the linear guide rail module 2, the two test fixtures 3 are parallel and are arranged in a mirror symmetry mode, a fixing seat 35 is arranged between the two test fixtures 3, and the two test fixtures 3 are fixedly connected into a whole through the fixing seat 35. As shown in fig. 2, the test fixture 3 is a fixture plate with an integral structure formed by sequentially attaching a bottom plate 31, a middle frame 32 and a panel 33, four slots are correspondingly formed on the bottom plate 31, the middle frame 32 and the panel 33, corresponding slots on each bottom plate 31, the middle frame 32 and the panel 33 form a clamping groove capable of installing the hydraulic leveling unit 8, the hydraulic leveling unit 8 in each clamping groove is pressed and fixed in the clamping groove through a spring clip 35 arranged outside the clamping groove. The electric cabinet 1, the industrial personal computer 4 and the printer 9 are distributed above the peripheral rack 6 of the oil tank 5 and are respectively and fixedly connected with the rack 6, the environment sensor 10 is mounted on the inner wall of a frame upright of the rack 6, and the inner wall of each upright at four corners is provided with an arrangement. The electric cabinet 1 is respectively and electrically connected with the linear guide rail module 2, the industrial personal computer 4 and the printer 9, a plurality of hydraulic leveling units 8 are connected with the data forwarding device 7 in parallel through data wires, and the industrial personal computer 4 is connected with the data forwarding device 7, the environment sensor 10 and the printer 9 respectively.
The working process of the invention comprises the following steps:
s1, installing the hydraulic leveling unit 8 into the test fixture 3, wherein the hydraulic leveling unit 8 is pressed by the spring clamp 34 into a clamping groove formed by the test fixture bottom plate 31, the test fixture middle frame 32 and the test fixture panel 33.
And S2, connecting a data line of the hydraulic leveling unit 8 with the data forwarding device 7.
S3, selecting measuring range, grading and allowable error on the industrial personal computer 4, and then clicking a start button.
S4, the industrial personal computer 4 collects data of the environment sensor 10.
S5, the industrial personal computer 4 sends an initialization instruction to the hydraulic leveling units 8 of each station through the data forwarding device 7, the hydraulic leveling units 8 return data through the data forwarding device 7 after receiving the data, and the industrial personal computer 4 judges whether the hydraulic leveling units 8 of each station are normal or not according to the returned data, and if not, the station is closed.
S6, the industrial personal computer 4 controls the linear guide rail module 2 through the electric cabinet 1 to enable the test fixture 3 to be completely immersed in the oil groove 5, and the industrial personal computer 4 collects data of the hydraulic leveling units 8 at the initial positions of the stations through the data forwarding device 7.
S7, the industrial personal computer 4 calculates each target depth according to the selected measuring range and the grading.
S8, grading measurement: the industrial personal computer 4 controls the linear guide rail module 2 through the electric cabinet 1 to enable the test fixture 3 to move to the target depth, delays waiting for the stable liquid level, and the industrial personal computer 4 collects data of the target depth corresponding to the hydraulic leveling units 8 of each station through the data forwarding device 7.
S9, repeating the step S8 until the maximum measuring range is reached.
S10, continuously repeating the step S8, and measuring to the initial position from the maximum range.
S11, error calculation: assuming that the output values of the hydraulic leveling unit 8 during the forward measurement are O0, O1, O2 … On, the output values of the hydraulic leveling unit 8 during the reverse measurement are O '0, O'1, O '2 … O' n, the measurement range is R, the measurement distances are S0, S1, S2 … Sn each time, the calibration coefficient is p=r/[ (o0+o '0)/2- (on+o' n)/2 ], the actual value of the i-th measurement during the forward measurement is mi= (Oi-1) ×p, the actual value of the i-th measurement during the reverse measurement is M 'i= (O' i-1) ×p, and the error of the i-Mi.
S12, the industrial personal computer 4 calculates the calibration coefficient and the measurement error of the hydraulic leveling units 8 of each station according to the data and the step 11, if the measurement error is within the set allowable error range, the product is judged to be qualified, and if the measurement error exceeds the set allowable error, the product is judged to be unqualified.
S13, the industrial control computer 4 calculates the calibration coefficient of the qualified product according to the data of the calibration test and generates a product serial number, and then writes the calibration coefficient and the product serial number into the qualified product.
S14, the industrial control computer 4 sends the information such as the serial numbers, the calibration check dates, the environment parameters, the detailed calibration data and the like of the qualified products to a data server for storage.
S15, printing product certification and unqualified labels by the printer 9, sequentially attaching the printed labels to products according to the station sequence, discharging the products, and completing calibration and inspection work.
The present invention is not limited to the above-described specific embodiments, and it is apparent to those skilled in the art from the above-described idea that various modifications can be made without inventive step and without departing from the scope of the present invention.
Claims (7)
1. The automatic calibration equipment for the hydraulic leveling unit is characterized by comprising an electric cabinet, a linear guide rail module, a test fixture, an industrial personal computer, an oil groove, a rack, the hydraulic leveling unit, a data forwarding device and an environment sensor; the machine frame is of a frame structure, the oil groove is arranged at the center of the machine frame, a notch is formed in the upper end of the oil groove, the upper end of the oil groove is higher than the upper surface of the machine frame, the linear guide rail module is arranged in the oil groove, the test fixture is fixedly arranged on the linear guide rail module, the hydraulic leveling unit and the data forwarding device are fixedly arranged on the test fixture, the linear guide rail module is used for driving the test fixture, the hydraulic leveling unit and the data forwarding device to slide up and down in the oil groove, the electric cabinet and the industrial personal computer are both arranged on the outer side of the oil groove and are arranged above the machine frame, the electric cabinet and the industrial personal computer are respectively fixedly connected with the machine frame, and the environment sensor is arranged on the inner wall of the frame of the machine frame; the electric cabinet is electrically connected with the linear guide rail module and the industrial personal computer, the hydraulic leveling unit is connected with the data forwarding device through a data line, and the industrial personal computer is connected with the data forwarding device and the environment sensor respectively.
2. The hydraulic leveling unit automatic calibration device according to claim 1, further comprising a printer, wherein the printer is located outside the oil tank and above the frame, the printer is electrically connected with the electric cabinet, and the printer is in data connection with the industrial personal computer.
3. The automatic calibration device for the hydraulic leveling unit according to claim 1, wherein the test fixture is provided with a bottom plate, a middle frame and a panel, the bottom plate, the middle frame and the panel are sequentially attached and fixed into a whole structure, a plurality of slots are formed in the bottom plate, the middle frame and the panel, corresponding slots in each of the bottom plate, the middle frame and the panel form a clamping groove for installing the hydraulic leveling unit, and the hydraulic leveling unit is located in the clamping groove.
4. The automatic calibration device for the hydraulic leveling unit according to claim 3, wherein the test fixture is provided with a spring clip outside the clamping groove, and the hydraulic leveling unit is tightly fixed in the clamping groove through the spring clip.
5. The automatic calibration device for the hydraulic leveling unit according to claim 1, wherein two test jigs are arranged on the linear guide rail module, the two test jigs are arranged in parallel and in mirror symmetry, and a fixing seat is further arranged between the two test jigs, and the fixing seat fixedly connects the two test jigs into a whole.
6. The automatic calibration device for hydraulic leveling units according to claim 5, wherein four hydraulic leveling units are fixedly installed on each of the test jigs.
7. The hydraulic leveling unit automatic calibration apparatus according to claim 1, wherein the oil groove is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711360836.2A CN107941243B (en) | 2017-12-18 | 2017-12-18 | Automatic calibration equipment for hydraulic leveling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711360836.2A CN107941243B (en) | 2017-12-18 | 2017-12-18 | Automatic calibration equipment for hydraulic leveling unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107941243A CN107941243A (en) | 2018-04-20 |
| CN107941243B true CN107941243B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711360836.2A Active CN107941243B (en) | 2017-12-18 | 2017-12-18 | Automatic calibration equipment for hydraulic leveling unit |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782612A (en) * | 2009-11-26 | 2010-07-21 | 中国电子科技集团公司第二十六研究所 | Automatic test system for surface acoustic wave (SAW) filter |
| CN202037169U (en) * | 2011-05-05 | 2011-11-16 | 郑州蓝德环保科技有限公司 | Device for integral treatment of oil-water separation of kitchen rubbish |
| CN106066177A (en) * | 2016-05-06 | 2016-11-02 | 中铁十八局集团第四工程有限公司 | Shield automatic guiding system measures manual review's method |
| CN207662417U (en) * | 2017-12-18 | 2018-07-27 | 苏州市建设工程质量检测中心有限公司 | Hydraulic pressure measurement of the level unit autoalign unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7435327B2 (en) * | 2004-12-16 | 2008-10-14 | Chevron U.S.A. Inc. | Hydraulic oil with excellent air release and low foaming tendency |
-
2017
- 2017-12-18 CN CN201711360836.2A patent/CN107941243B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782612A (en) * | 2009-11-26 | 2010-07-21 | 中国电子科技集团公司第二十六研究所 | Automatic test system for surface acoustic wave (SAW) filter |
| CN202037169U (en) * | 2011-05-05 | 2011-11-16 | 郑州蓝德环保科技有限公司 | Device for integral treatment of oil-water separation of kitchen rubbish |
| CN106066177A (en) * | 2016-05-06 | 2016-11-02 | 中铁十八局集团第四工程有限公司 | Shield automatic guiding system measures manual review's method |
| CN207662417U (en) * | 2017-12-18 | 2018-07-27 | 苏州市建设工程质量检测中心有限公司 | Hydraulic pressure measurement of the level unit autoalign unit |
Non-Patent Citations (1)
| Title |
|---|
| 桥梁墩顶转体连续梁的施工技术;刘生旺;设备管理与维修(第10期);82-84 * |
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| CN107941243A (en) | 2018-04-20 |
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