CN219532122U - Device for improving accuracy of strain gauge - Google Patents
Device for improving accuracy of strain gauge Download PDFInfo
- Publication number
- CN219532122U CN219532122U CN202320302163.XU CN202320302163U CN219532122U CN 219532122 U CN219532122 U CN 219532122U CN 202320302163 U CN202320302163 U CN 202320302163U CN 219532122 U CN219532122 U CN 219532122U
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- CN
- China
- Prior art keywords
- strain gauge
- accuracy
- adjusting bolt
- box
- improving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000003014 reinforcing effect Effects 0.000 claims abstract 3
- 230000000007 visual effect Effects 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 18
- 239000010959 steel Substances 0.000 abstract description 18
- 230000002457 bidirectional effect Effects 0.000 abstract description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 5
- 241001330002 Bambuseae Species 0.000 abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 5
- 239000011425 bamboo Substances 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a device for improving accuracy of a strain gauge, which relates to the technical field of strain gauges and comprises a protection box and an adjusting bolt, wherein one side of the inner surface of the protection box is provided with a threaded sleeve, the adjusting bolt is arranged on the inner surface of the threaded sleeve, one end of the adjusting bolt is fixedly provided with a fixing box, and the inner surface of the fixing box is provided with a bidirectional screw. This device that improves strain gauge accuracy compares with the device of current ordinary improvement strain gauge accuracy, presss from both sides a section of thick bamboo to Ji Gangjin post, twists two-way screw rod, and two-way screw rod rotates and makes the guide bar pass through the guide way opposite direction and removes, drives a section of thick bamboo opposite direction and removes, presss from both sides steel bar post clamp, can link to each other with the reinforcing bar post with detection device firm, after the fixed completion, accessible screw passes through the screw hole piece, makes a further firm of pressing from both sides section of thick bamboo installation, makes the whole more stable inseparabler that combines with the reinforcing bar post of strainometer, can effectually improve the accuracy of strainometer measured value.
Description
Technical Field
The utility model relates to the technical field of strain gauges, in particular to a device for improving accuracy of a strain gauge.
Background
The concrete strain gauge is mainly used for detecting the stress and the strain of a concrete structure, the embedded strain gauge is generally adopted in engineering and comprises a wafer, a dowel bar, a sensor and a cable, two ends of the sensor are respectively connected with the dowel bars, one wafer is connected with the other end of each dowel bar, the cable is connected with the sensor, and the cable is used for transmitting measurement data. The measuring method comprises the steps of binding a concrete strain gauge on one of the main ribs, pouring or spraying concrete, and transmitting force to the sensor through the dowel bar due to the fact that the concrete strain gauge is buried in the concrete and the circular plates at two ends of the concrete strain gauge are stretched or compressed under stress, and finally transmitting measuring data through a cable.
As disclosed in the publication of application number 201921747929.5, the utility model is simple and convenient to operate, so that the position of the concrete strain gauge is not easy to change, the concrete strain gauge is not contacted with the main rib, the influence of the main rib on the measurement data of the concrete strain gauge is avoided, the accuracy of the measurement value can be effectively improved, but the strain gauge is connected with a steel bar column through a simple strap structure, the strap can be loosened after being used for a long time, the strap itself has certain elasticity, the inaccuracy of data can be caused during detection, and the strain gauge is required to be wound in multiple layers, so that the strain gauge installation becomes complicated and time-consuming.
In view of the above, an apparatus for improving accuracy of a strain gauge has been proposed to solve the problems of the conventional structure.
Disclosure of Invention
The utility model aims to provide a device for improving the accuracy of a strain gauge, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a device for improving accuracy of strain gauge, includes guard box and adjusting bolt, guard box's internal surface one side is provided with the screw sleeve, adjusting bolt sets up in screw sleeve's internal surface, adjusting bolt's one end fixed mounting has the fixed box, the internal surface mounting of fixed box has the bi-directional screw rod, the surface of bi-directional screw rod is provided with the guide bar, the one end fixed mounting of guide bar has a clamp section of thick bamboo, the surface one side fixed mounting of clamp section of thick bamboo has the screw hole piece
Further, a disc is fixedly arranged above the inner surface of the protection box, a dowel bar is arranged at one end of the disc, and a sensor is fixedly arranged at one end of the dowel bar.
Further, the threaded sleeve penetrates through the inner surface of the protection box, and the threaded sleeve is fixedly connected with the dowel bar.
Further, a guide groove is formed in one side of the outer surface of the fixed box, the guide rod penetrates through the guide groove, and the guide rod is in threaded connection with the bidirectional screw rod.
Further, the clamping cylinders are symmetrically arranged along the center of the protection box, and steel bar columns are arranged on the inner surfaces of the clamping cylinders.
Furthermore, a visual window is arranged on one side of the outer surface of the protection box, and the visual window is parallel and opposite to the sensor in the protection box.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, through the arrangement of the threaded sleeve and the adjusting bolt, the adjusting bolt is rotated, the adjusting bolt extends to two sides through the threaded sleeve, so that the distance between the left side and the right side of the equipment can be changed, the device can adapt to steel bar columns with different intervals, the equipment can be installed, and meanwhile, the detecting device can be independently disassembled through the adjusting bolt, so that the detecting device is convenient to replace and maintain;
2. according to the utility model, through the arrangement of the bidirectional screw rod, the guide groove, the guide rod, the clamping cylinder and the threaded hole block, the clamping cylinder pair Ji Gangjin column is screwed, the bidirectional screw rod rotates to enable the guide rod to move oppositely through the guide groove, the clamping cylinder is driven to move oppositely, the steel bar column is clamped, the detection device can be firmly connected with the steel bar column, after the fixation is completed, the clamping cylinder is further firmly installed by using the screw through the threaded hole block, the whole strain gauge is combined with the steel bar column more stably and compactly, and the accuracy of the measurement value of the strain gauge can be effectively improved;
3. according to the utility model, through the arrangement of the protection box and the visual window, the protection box can effectively protect the strain gauge device, when the strain gauge detects pressure reading, the strain gauge can receive and display the pressure reading, and the visual window can intuitively read measured values, so that the strain gauge can be well protected while observation is not hindered.
Drawings
FIG. 1 is a schematic diagram of the overall front cross-sectional structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic top view of the overall structure of the present utility model;
fig. 4 is a schematic overall perspective view of the present utility model.
In the figure: 1. a protection box; 2. a disc; 3. a dowel bar; 4. a sensor; 5. a threaded sleeve; 6. an adjusting bolt; 7. a fixed box; 8. a bidirectional screw; 9. a guide groove; 10. a guide rod; 11. a clamping cylinder; 12. a threaded hole block; 13. a steel bar column; 14. and a visual window.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 4, a device for improving accuracy of a strain gauge comprises a protection box 1 and an adjusting bolt 6, wherein a disc 2 is fixedly arranged above the inner surface of the protection box 1, a dowel bar 3 is arranged at one end of the disc 2, a sensor 4 is fixedly arranged at one end of the dowel bar 3, a threaded sleeve 5 is arranged at one side of the inner surface of the protection box 1, the threaded sleeve 5 penetrates through the inner surface of the protection box 1, the threaded sleeve 5 is fixedly connected with the dowel bar 3, the adjusting bolt 6 is arranged on the inner surface of the threaded sleeve 5, the adjusting bolt 6 is rotated, the adjusting bolt 6 extends to two sides through the threaded sleeve 5, the distance between the left side and the right side of the device can be changed, the device can adapt to reinforcing steel bar columns 13 with different distances, the device can be installed, meanwhile, the detecting device can be independently disassembled through the adjusting bolt 6, the detection device is convenient to replace and maintain, the fixing box 7 is fixedly arranged at one end of the adjusting bolt 6, the bidirectional screw rod 8 is arranged on the inner surface of the fixing box 7, the guide rod 10 is arranged on the surface of the bidirectional screw rod 8, the guide groove 9 is formed in one side of the outer surface of the fixing box 7, the guide rod 10 penetrates through the guide groove 9, the guide rod 10 is in threaded connection with the bidirectional screw rod 8, the clamping cylinder 11 is fixedly arranged at one end of the guide rod 10, the threaded hole block 12 is fixedly arranged on one side of the outer surface of the clamping cylinder 11, four clamping cylinders 11 are symmetrically arranged along the center of the protection box 1, the steel bar columns 13 are arranged on the inner surface of the clamping cylinder 11, the clamping cylinders 11 are opposite to the Ji Gangjin columns 13, the bidirectional screw rod 8 is screwed, the guide rod 10 moves oppositely through the guide groove 9 to drive the clamping cylinders 11 to clamp the steel bar columns 13, the detection device can be firmly connected with the steel bar columns 13, after the fixation is completed, the screw can be used to fix the clamping cylinder 11 through the threaded hole block 12, so that the whole strain gauge is combined with the steel bar column 13 more stably and compactly, the accuracy of the measurement value of the strain gauge can be effectively improved, the visual window 14 is arranged on one side of the outer surface of the protection box 1, the visual window 14 is parallel to and opposite to the sensor 4 in the protection box 1, the protection box 1 can play an effective protection role on the strain gauge device, when the strain gauge detects the pressure reading, the strain gauge device can receive and display through the sensor 4, the measurement value can be intuitively read through the visual window 14, and the strain gauge can be well protected while observation is not hindered.
Working principle: when the device for improving accuracy of the strain gauge is used, the adjusting bolt 6 is rotated firstly, the adjusting bolt 6 extends to two sides through the threaded sleeve 5, the distance between the left side and the right side of the device can be changed, the device can adapt to the steel bar columns 13 with different distances, the device can be installed, meanwhile, the detecting device can be detached independently through the adjusting bolt 6, replacement and maintenance of the detecting device are facilitated, after the length of two sides of the whole strain gauge is adjusted to adapt to the distance between the steel bar columns 13, the clamping cylinder 11 is opposite to the Ji Gangjin columns 13, the bidirectional screw 8 is screwed, the guide rod 10 is enabled to move in opposite directions through the guide groove 9, the clamping cylinder 11 is driven to move in opposite directions, the steel bar columns 13 are clamped, the detecting device can be firmly connected with the steel bar columns 13, after fixing is finished, screws can be used for enabling the clamping cylinder 11 to be installed to be further firmly, the whole strain gauge is combined with the steel bar columns 13 to be more stable and compact, accuracy of measured values can be effectively improved, after the whole strain gauge is installed, the protection box 1 can play an effective protection role in adapting to the distance between the steel bar columns 13, the effective protection function can be achieved through the strain gauge, and the visual sensor can not read through the visual sensor, and the visual sensor can be read through the visual sensor 14, and the visual sensor can be prevented from being read, and the visual sensor can be read through the visual sensor.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. The utility model provides a device for improving strain gauge accuracy, includes guard box (1) and adjusting bolt (6), its characterized in that, guard box (1) internal surface one side is provided with screw sleeve (5), adjusting bolt (6) set up in screw sleeve (5) internal surface, the one end fixed mounting of adjusting bolt (6) has fixed box (7), the internal surface of fixed box (7) installs bi-directional screw (8), the surface of bi-directional screw (8) is provided with guide bar (10), the one end fixed mounting of guide bar (10) has a clamp (11), the surface one side fixed mounting of clamp (11) has screw hole piece (12).
2. Device for improving the accuracy of a strain gauge according to claim 1, characterized in that a disc (2) is fixedly mounted above the inner surface of the protection box (1), a dowel bar (3) is mounted at one end of the disc (2), and a sensor (4) is fixedly mounted at one end of the dowel bar (3).
3. Device for improving the accuracy of a strain gauge according to claim 1, characterized in that the threaded sleeve (5) extends through the inner surface of the protection box (1) and that the threaded sleeve (5) is fixedly connected with the dowel bar (3).
4. Device for improving accuracy of a strain gauge according to claim 1, characterized in that a guiding groove (9) is provided on one side of the outer surface of the stationary box (7), and a guiding rod (10) penetrates the guiding groove (9), and the guiding rod (10) is in threaded connection with the bi-directional screw (8).
5. Device for improving the accuracy of a strain gauge according to claim 1, characterized in that the clamping cylinders (11) are symmetrically provided with four along the centre of the protection box (1), and the inner surface of the clamping cylinders (11) is provided with reinforcing bars (13).
6. Device for improving the accuracy of a strain gauge according to claim 1, characterized in that a visual window (14) is provided on one side of the outer surface of the protective case (1), and the visual window (14) is parallel and opposite to the sensor (4) inside the protective case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320302163.XU CN219532122U (en) | 2023-02-24 | 2023-02-24 | Device for improving accuracy of strain gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320302163.XU CN219532122U (en) | 2023-02-24 | 2023-02-24 | Device for improving accuracy of strain gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219532122U true CN219532122U (en) | 2023-08-15 |
Family
ID=87627542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320302163.XU Active CN219532122U (en) | 2023-02-24 | 2023-02-24 | Device for improving accuracy of strain gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219532122U (en) |
-
2023
- 2023-02-24 CN CN202320302163.XU patent/CN219532122U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A device for improving the accuracy of strain gauges Granted publication date: 20230815 Pledgee: China Construction Bank Corporation jintan sub branch Pledgor: Changzhou Jintan Zhongshi Sensor Technology Co.,Ltd. Registration number: Y2024980016867 |