CN2935148Y - Apparatus for measuring internal force of construction membrane and cable component - Google Patents
Apparatus for measuring internal force of construction membrane and cable component Download PDFInfo
- Publication number
- CN2935148Y CN2935148Y CN 200620038868 CN200620038868U CN2935148Y CN 2935148 Y CN2935148 Y CN 2935148Y CN 200620038868 CN200620038868 CN 200620038868 CN 200620038868 U CN200620038868 U CN 200620038868U CN 2935148 Y CN2935148 Y CN 2935148Y
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- probe
- sleeve pipe
- internal force
- spring
- detector
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Abstract
The utility model belongs to the internal force measurement field of building unit which substantially is a device for the internal force of membrane material and the component of cable being measured without lose. The device comprises a probe, a spring, a pressure pickup, a detector, and bushings. Among the components, the probe located in the bushing is rhabditiform whose upper end is subuliform, and the detector comprising a lightproof tube, a light emitter and a light receiver is mounted symmetrically in the lateral notch on the top of the bushing, the tip of the probe is at the position of the detector. The pressure which the probe endures is transferred by the spring, and introduced out through a leading-out wire by the pressure pickup, the probe moves because of the change of shadow area caused by the pressure, the varying signal is introduced out through a leading-out wire by the light receiver, the calculate circuit can calculates corresponding internal force according to the signal. The device is characterized in convenient operation, high-accuracy measurement, wide sphere of application, without influencece of the surroundings and good measure stability.
Description
Technical field
The utility model belongs to building element internal force field of measuring technique, is specifically related to film material and rope component internal force online (comprise and be in construction building course, duty and collapse state) damage-free measuring apparatus in a kind of building structure.
Background technology
At building engineering field, building element internal force is measured the method for using and is mainly contained: laser spectrum mensuration, frequency test method and displacement measurement method at present.Existing division is as follows:
1. laser spectrum mensuration: it is a kind ofly to adopt the laser Raman spectroscopy technology and calibrate the measuring method that concerns between suffered strain of fiber and the Raman spectrum frequency shifting.Mainly utilize laser Raman spectrometer, measure the Raman spectrum frequency shifting of film edge interlayer adjacent fiber, thereby converse the strain of fiber.According to the elastic modulus of fiber, obtain the stress of face at last.
In fact, the film material is made up of fiber basic unit and surface coating.But, and ignored its surface coating because laser Raman spectrometry often lays particular emphasis on the pars fibrosa of film material.Again because the feature of coating can badly influence the character and the mechanical characteristic of film material, cause the measuring accuracy of the method to be restricted simultaneously, the price of its device is also comparatively expensive.
2. frequency test method: the formula for natural frequency of its utilization film material under zero condition, original state and duty, find the solution local pretension value.Its theoretical foundation mainly considered under no pre-stretching force state, and the natural frequency of film material and stiffness coefficient and span are than relevant; And when there was pretension in the film material, the natural frequency of film material was relevant with the value of pretension.
Although this method effectively is applied in the structural internal force test with ideal boundary condition, but complicacy in view of the face boundary condition of reality, the frequency test method is difficult to accurately measure needed fundamental frequency, has therefore increased the measurement difficulty greatly, has also reduced the precision of test.
3. displacement measurement method: it is a kind of under constant external load effect, adopts the device that displacement method is measured film tension force.The airtight container that it has utilized a wide-mouth is pressed on the face, takes out the part air in the container, and the face that vessel port is enclosed with the formation negative pressure caves inward, thereby can measure the maximum depression displacement of face.
But, the restriction of the film assortment class that the scope of application of this method is subjected to having demarcated.Simultaneously when using this method, need be for variety classes, the film material of different-thickness and same class film material radially and broadwise, calibrate the relation curve of displacement and pretension in advance.Therefore workload is heavy, and test result also will depend on the elastic modulus of material.
Summary of the invention
The purpose of this utility model is to provide film material and the online damage-free measuring apparatus of rope component internal force in a kind of measuring accuracy height, the adaptability building element strong, easy and simple to handle.
Film material and rope component internal force measurement mechanism are made up of probe, spring, pressure transducer, detector and sleeve pipe in the building element that the utility model proposes, and its structure as shown in Figure 1.Wherein, sleeve pipe is made up of running casing 2, middle sleeve 4 and 13 3 part sockets of last sleeve pipe, and the lower port place that running casing 2 is positioned at middle sleeve 4 is inboard fixing, and last sleeve pipe 13 is positioned at the inboard, upper port place of middle sleeve 4, and is flexible up and down adjustable, and by 8 lockings of a retaining ring; Probe 1 lower end is shaft-like, and the upper end is taper, is arranged in sleeve pipe; The lower port place that sensor 7 is arranged at sleeve pipe 13 is pushed down by moveable platen 6, and has extension line to draw by the lead-in wire groove; The lower end of probe 1, the place suitable for reading that is positioned at running casing 2 are provided with spring platen 3; Spring 5 is arranged in middle sleeve 4, is symmetricly set between spring platen 3 and the moveable platen 6; Detector is made up of shading pipe 9, optical transmitting set 12 and optical receiver 15, be arranged in the notch of offering both sides, sleeve pipe 13 middle part, afterbody is equipped with big envelope 11, and optical transmitting set 12 has extension line to draw respectively with optical receiver 15, and the upper end of last sleeve pipe 13 is provided with top cover 14.
In the utility model, for the power that can more accurate response measurement device be subjected to, pressure transducer 7 can become bikini evenly to be provided with for the lower port place around last sleeve pipe 13, promptly be distributed on the lower port place with three sensors.
In the utility model, the conical apex angle at the tip of probe 1 is generally 6 °-35 °, and the tapering part height is 10mm-50mm.
The signal of pressure transducer 7 leads to counting circuit by lead-in wire 16 during work, and the detectable signal of transmitter 12 and receiver 15 also causes counting circuit respectively by lead-in wire 10, and the computing of process counting circuit draws the test result that needs.
The course of work of the present utility model is as follows: the probe afterbody contacts with member to be measured, member stress deforms, make probe 1 in sleeve pipe, produce displacement, platen 3 compression springs 5 of probe 1 rear end, the pressure that pressure transducer 7 bears under the effect of spring 5 changes, and this pressure change signal is drawn by extension line 16 and sent into counting circuit; Simultaneously, relative motion takes place with respect to last sleeve pipe 13 in probe tip, because it is most advanced and sophisticated for having the taper of certain angle, the area of the most advanced and sophisticated shading (see figure 2) that changes at the detector place, by receiver this variable signal is drawn and to send into counting circuit, according to these parameters, counting circuit can calculate tested member easily in internal force value that this position produced.
Compared with prior art, the utility model advantage and effect are as follows:
Easy to operate; The measuring accuracy height, applied widely; Not affected by environment, measure good stability, safeguard and change easily.During use, form the system of a measuring instrument with counting circuit by this device that is no less than 3.
Description of drawings
Fig. 1 is structural diagrams of the present utility model (for state of nature).
Fig. 2 is the diagram of the utility model when stress.
Number in the figure: 1 is probe, and 2 is running casing, and 3 is the probe springs platen, 4 is middle sleeve, and 5 is spring, and 6 is moveable platen, 7 is pressure transducer, and 8 is retaining ring, and 9 are the shading pipe, 10 are lead-in wire, and 11 is big envelope, and 12 is light-emitting tube, 13 is last sleeve pipe, and 14 is top cover, and 15 is light receiving tube, 16 are lead-in wire, and 17 are the lead-in wire groove.
Embodiment
The measurement mechanism that the utility model proposes is made up of probe, spring, sensor and sleeve pipe, and its structure as shown in Figure 1.Probe and sleeve pipe adopt aluminum alloy materials, and probe 1 Φ 16mm is contained in the shell that middle sleeve 4, running casing 2 and last sleeve pipe 13 connect together, and last sleeve pipe 13 puts in the middle sleeve 4, be threaded, but and up-down adjustment, lock by retaining ring 8 after regulating suitably.Running casing 2 about 35mm are stretched out in the lower end of probe 1.Mounting spring 5 between spring platen 3 on the probe 1 and the moveable platen 6, the decrement of spring 5 is slightly larger than 35mm.Moveable platen 6 is pressed on the pressure transducer 7 that is installed in sleeve pipe 13 lower ends, and pressure transducer 7 is 3 pressure resistance of evenly arranging, and fixing.During work under the probe end in contact to survey thing (face or rope) stressed and move upward, pressuring spring 5, moveable platen 6 pressurizeds act on the pressure transducer 7, pressure signal 16 leads to counting circuit through going between; Transverse notch is split at last sleeve pipe 13 middle parts, wide 5mm, high 0.3mm.Notch one side in opposite is installed infrared transmitter 12, and opposite side is installed infrared remote receiver 15, and afterbody is installed rubber cuff 11, and leaded 10 draw, and last sleeve pipe 13 upper ends are equipped with end socket 14, the last sleeve pipe 13 bottoms groove 17 that bursts at the seams, and leaded 16 draw.
The high about 35mm of the tapering part of probe 1 upper end, the probe upper end is positioned at the notch plane when static.During work, probe light end position changes, and shading surface also changes, the signal generation respective change of infrared remote receiver.At this moment the signal of pressure transducer 7 leads to counting circuit by lead-in wire 16, and the detectable signal of infrared transmitter 12 and infrared remote receiver 15 also causes counting circuit respectively by lead-in wire 10, and the computing of process counting circuit draws the test result that needs.
Claims (3)
1, film material and rope component internal force measurement mechanism in a kind of building element is characterized in that being made up of probe, sleeve pipe, pressure transducer, spring and photo-detector, and wherein, sleeve pipe is made up of running casing (2), middle sleeve (4) and last sleeve pipe (13) socket successively; Probe (1) is positioned at sleeve pipe, and probe front is taper; Pressure transducer (7) is arranged at sleeve pipe (13) lower port, and this pressure transducer (7) is pushed down by moveable platen (6), and has signal to cause that line (16) draws; Spring (5) is arranged in the sleeve pipe, and is positioned between moveable platen (6) and the spring platen (3), and spring platen (3) is fixing with probe (1); Photo-detector is made up of shading pipe (9) and light-emitting tube (12) and infrared receiving tube (15), and is symmetricly set in the slotted eye of splitting at sleeve pipe (13) middle part; Light-emitting tube (12) and light receiving tube (15) have the signal extension line to draw respectively.
2, film material and rope component internal force measurement mechanism in the building element according to claim 1 is characterized in that described pressure transducer (7) is 3 pressure resistance, is distributed in the lower port place of sleeve pipe (13).
3, film material and rope component internal force measurement mechanism in the building element according to claim 1, the drift angle that it is characterized in that the taper of described probe (1) is 6 °-35 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620038868 CN2935148Y (en) | 2006-01-12 | 2006-01-12 | Apparatus for measuring internal force of construction membrane and cable component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620038868 CN2935148Y (en) | 2006-01-12 | 2006-01-12 | Apparatus for measuring internal force of construction membrane and cable component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2935148Y true CN2935148Y (en) | 2007-08-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620038868 Expired - Fee Related CN2935148Y (en) | 2006-01-12 | 2006-01-12 | Apparatus for measuring internal force of construction membrane and cable component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2935148Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884458A (en) * | 2014-03-27 | 2014-06-25 | 东南大学 | Slender rod bi-directional internal force measuring sensor and calibration method |
| CN105222946A (en) * | 2015-10-13 | 2016-01-06 | 彭景吉 | A kind of based on infrared pressure-detecting device |
| CN107076791A (en) * | 2017-01-25 | 2017-08-18 | 深圳市汇顶科技股份有限公司 | By compression testing device, system and method |
| CN108706459A (en) * | 2018-05-07 | 2018-10-26 | 上海海事大学 | Two-electron atom bridge crane panning angle measuring device based on light intensity sensor and measurement method |
| CN111527393A (en) * | 2017-12-30 | 2020-08-11 | 佩里梅特里克斯有限责任公司 | Determination of structural properties of an object |
| CN111829721A (en) * | 2020-07-25 | 2020-10-27 | 山东省食品药品检验研究院 | Pressure sensor |
-
2006
- 2006-01-12 CN CN 200620038868 patent/CN2935148Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884458A (en) * | 2014-03-27 | 2014-06-25 | 东南大学 | Slender rod bi-directional internal force measuring sensor and calibration method |
| CN103884458B (en) * | 2014-03-27 | 2016-01-20 | 东南大学 | A kind of two-way interior force measuring sensors of thin bar and scaling method |
| CN105222946A (en) * | 2015-10-13 | 2016-01-06 | 彭景吉 | A kind of based on infrared pressure-detecting device |
| CN105222946B (en) * | 2015-10-13 | 2018-01-19 | 彭景吉 | It is a kind of based on infrared pressure-detecting device |
| CN107076791A (en) * | 2017-01-25 | 2017-08-18 | 深圳市汇顶科技股份有限公司 | By compression testing device, system and method |
| WO2018137227A1 (en) * | 2017-01-25 | 2018-08-02 | 深圳市汇顶科技股份有限公司 | Pressing test device, system and method |
| CN111527393A (en) * | 2017-12-30 | 2020-08-11 | 佩里梅特里克斯有限责任公司 | Determination of structural properties of an object |
| CN108706459A (en) * | 2018-05-07 | 2018-10-26 | 上海海事大学 | Two-electron atom bridge crane panning angle measuring device based on light intensity sensor and measurement method |
| CN111829721A (en) * | 2020-07-25 | 2020-10-27 | 山东省食品药品检验研究院 | Pressure sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |