CN106989859A - A kind of pressure cell of simulation test with similar mat-erial experiment - Google Patents
A kind of pressure cell of simulation test with similar mat-erial experiment Download PDFInfo
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- CN106989859A CN106989859A CN201710328290.6A CN201710328290A CN106989859A CN 106989859 A CN106989859 A CN 106989859A CN 201710328290 A CN201710328290 A CN 201710328290A CN 106989859 A CN106989859 A CN 106989859A
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- pressure
- diaphragm
- erial
- backup pad
- simulation test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses the pressure cell that a kind of simulation test with similar mat-erial in engineering foundation construction technique field is tested, including device case, the inner cavity top of described device housing is horizontally arranged with upper backup pad, three groups of through holes are offered on the upper backup pad, and longitudinal direction is plugged with pressure conduction bar in three groups of through holes, pressure-sensitive diaphragm is connected with the top of the pressure conduction bar, the bottom even of the pressure-sensitive diaphragm is connected with support spring, the bottom of the support spring and the top of upper backup pad are connected, the pressure cell of simulation test with similar mat-erial experiment, by the pressure of analog material medium on pressure-sensitive diaphragm, transmit directly down, reduce influence of the device case to measurement accuracy, pass through holddown spring, the setting of rubber blanket, play cushioning effect, pass through the setting of support spring, reduce due to pressure-sensitive diaphragm, pressure conduction bar, push diaphragm, installing plate, holddown spring and pressure conduction plate gravity push on pressure sensor and influence measurement accuracy.
Description
Technical field
The present invention relates to engineering foundation construction technique field, specially a kind of pressure of simulation test with similar mat-erial experiment
Box.
Background technology
Pressure cell is used in Geotechnical Engineering carry out medium internal stress measuring, and between country rock and supporting construction, injection is mixed
The instrument of contact stress measurements between solidifying soil and cast-in-place concrete, original pressure cell is due to the measurement less similar material of rigidity
Expect medium, it is more accurate to measure, and this can be evenly distributed on the surface of pressure-bearing film, uniform force, when medium can not with medium again
When being uniformly distributed, cause pressure to act predominantly on pressure cell housing, cause pressure-bearing film stress to reduce, it is accurate that reduction is measured
Property, therefore, we have proposed a kind of pressure cell of simulation test with similar mat-erial experiment.
The content of the invention
It is an object of the invention to provide a kind of pressure cell of simulation test with similar mat-erial experiment, to solve above-mentioned background skill
The original pressure cell proposed in art due to measurement the less analog material medium of rigidity, measure it is more accurate, this again with Jie
Mass-energy is evenly distributed on the surface of pressure-bearing film, and uniform force, when medium can not be uniformly distributed, causes pressure to act predominantly on
On pressure cell housing, pressure-bearing film stress is caused to reduce, the problem of reducing the accuracy of measurement.
To achieve the above object, the present invention provides following technical scheme：A kind of pressure of simulation test with similar mat-erial experiment
Box, including device case, the inner cavity top of described device housing, which is horizontally arranged with upper backup pad, the upper backup pad, to be offered
Longitudinal direction is plugged with the top of pressure conduction bar, the pressure conduction bar and is connected with pressure membrane in three groups of through holes, and three groups of through holes
Piece, the bottom even of the pressure-sensitive diaphragm, which is connected with the top of support spring, the bottom of the support spring and upper backup pad, to be connected
Connect, the bottom of the pressure conduction bar, which is connected with, pushes diaphragm, is connected with installing plate at the bottom centre for pushing diaphragm, institute
The bottom even for stating installing plate is connected with holddown spring, and the bottom of the holddown spring is connected with pressure conduction plate, described device
The bottom of housing is provided with capping, and the edge of the capping uniformly offers screw, and the capping passes through screw and device shell
Body is connected, and the top left and right sides of the capping is respectively connected with pole, and pole described in two groups is symmetrical on the longitudinal axis of capping,
Top between pole described in two groups, which is connected with the top of lower installation board, the lower installation board, is connected with rubber blanket, the rubber
Pressure sensor is connected with the top of pad, the top and the bottom of pressure conduction plate of the pressure sensor fit, it is described under
The bottom of installing plate has been connected by screw harness clips, and the bottom of the pressure sensor is connected with USB wiring, and the USB connects
Line runs through rubber blanket, lower installation board and harness clips, and the center of the capping offers wire hole, and the USB wiring runs through
String holes.
It is preferred that, described device housing and upper backup pad integrated injection molding.
It is preferred that, the left and right sidewall of the pressure conduction bar is respectively connected with the inner chamber of through hole on draw runner, the upper backup pad
Offer the chute being adapted with draw runner.
It is preferred that, the USB wiring and the junction of the wire hole in capping are provided with sealing ring.
It is preferred that, the pressure-sensitive diaphragm is copper diaphragm, and the pressure conduction bar, to push diaphragm and installing plate be poly- second
Alkene structure.
Compared with prior art, the beneficial effects of the invention are as follows：The pressure cell of simulation test with similar mat-erial experiment, pressure
By the pressure of analog material medium on diaphragm, transmit directly down, reduce influence of the device case to measurement accuracy, pass through pressure
Tight spring, the setting of rubber blanket, play cushioning effect, by the setting of support spring, reduce due to pressure-sensitive diaphragm, pressure conduction
Bar, push diaphragm, installing plate, holddown spring and pressure conduction plate gravity pressure sensor is pushed and measurement accuracy is influenceed.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
In figure：1 device case, 2 upper backup pads, 3 pressure conduction bars, 4 pressure-sensitive diaphragms, 5 push diaphragm, 6 installing plates, 7 pressures
Tight spring, 8 pressure conduction plates, 9 pressure sensors, 10 rubber blankets, 11 lower installation boards, 12 poles, 13 cappings, 14 screws, 15 lines
Shu Jia, 16USB wiring, 17 support springs.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme：A kind of pressure cell of simulation test with similar mat-erial experiment, bag
Device case 1 is included, the inner cavity top of device case 1, which is horizontally arranged with upper backup pad 2, upper backup pad 2, offers three groups of through holes,
And longitudinal direction is plugged with pressure conduction bar 3 in three groups of through holes, the top of pressure conduction bar 3 is connected with pressure-sensitive diaphragm 4, pressure-sensitive diaphragm
4 bottom even is connected with support spring 17, and the bottom of support spring 17 is connected with the top of upper backup pad 2, pressure conduction bar 3
Bottom be connected with and push diaphragm 5, installing plate 6 is connected with the bottom centre for pushing diaphragm 5, the bottom even of installing plate 6 connects
Holddown spring 7 is connected to, the bottom of holddown spring 7 is connected with pressure conduction plate 8, and the bottom of device case 1 is provided with capping 13, sealed
The edge of lid 13 uniformly offers screw 14, and capping 13 is connected by screw with device case 1, top of capping 13 or so two
Side is respectively connected with pole 12, and two groups of poles 12 are symmetrical on the longitudinal axis of capping 13, the top connection between two groups of poles 12
There is lower installation board 11, the top of lower installation board 11 is connected with rubber blanket 10, and the top of rubber blanket 10 is connected with pressure sensor 9,
The top of pressure sensor 9 and the bottom of pressure conduction plate 8 fit, and the bottom of lower installation board 11 has been connected by screw wire harness
Folder 15, the bottom of pressure sensor 9 is connected with USB wiring 16, and USB wiring 16 runs through rubber blanket 10, lower installation board 11 and wire harness
Folder 15, the center of capping 13 offers wire hole, and USB wiring 16 runs through wire hole.
Wherein, device case 1 and the integrated injection molding of upper backup pad 2, globality are preferable, the left and right sides of pressure conduction bar 3
The inner chamber that wall is respectively connected with through hole on draw runner, upper backup pad 2 offers the chute being adapted with draw runner, mobile more smooth, USB
Wiring 16 and the junction of the wire hole in capping 13 are provided with sealing ring, increase the sealing of the device, play protection effect,
Pressure-sensitive diaphragm 4 is copper diaphragm, and pressure conduction bar 3, to push diaphragm 5 and installing plate 6 be polyethylene structure, mitigates quality.
In use, support spring 17 plays a part of support, the gross pressure that support spring 17 is subject to and pressure-sensitive diaphragm 4, pressure
Power conductive bar 3, to push diaphragm 5, installing plate 6, holddown spring 7 identical with the total force of pressure conduction plate 8, pressure conduction plate 8
Bottom is fitted with the top of pressure sensor 9 and not by active force, the surface of pressure-sensitive diaphragm 4 is acted on by analog material medium
During power, pressure-sensitive diaphragm 4 drives pressure conduction bar 3 to push, and pressure conduction bar 3 drives installing plate 6 to push by pushing diaphragm 5, pacifies
Dress plate 6 drives pressure conduction plate 8 to push by holddown spring 7, and pressure conduction plate 8 is pushed produces pressure, rubber to pressure sensor 9
Rubber cushion 10 plays a part of buffering with holddown spring 7, reduces the direct impact to pressure sensor 9 and causes to damage, pressure sensing
Device 9 by the pressure conversion being subject to be voltage signal exported by USB wiring 16, by USB wiring 16 with measurement reception device or
Person's computer connects and shows measurement data, so as to complete measurement.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of pressure cell of simulation test with similar mat-erial experiment, including device case (1), it is characterised in that：Described device shell
The inner cavity top of body (1), which is horizontally arranged with upper backup pad (2), the upper backup pad (2), offers three groups of through holes, and three groups logical
Longitudinal direction is plugged with the top of pressure conduction bar (3), the pressure conduction bar (3) and is connected with pressure-sensitive diaphragm (4), the pressure in hole
The bottom even of power diaphragm (4) is connected with support spring (17), the bottom of the support spring (17) and the top of upper backup pad (2)
Portion is connected, and the bottom of the pressure conduction bar (3), which is connected with, pushes diaphragm (5), is connected at the bottom centre for pushing diaphragm (5)
Installing plate (6) is connected to, the bottom even of the installing plate (6) is connected with holddown spring (7), the bottom of the holddown spring (7)
Pressure conduction plate (8) is connected with, the bottom of described device housing (1) is provided with capping (13), the edge of the capping (13)
Uniform to offer screw (14), the capping (13) is connected by screw with device case (1), the top left of the capping (13)
Right both sides are respectively connected with pole (12), and pole (12) described in two groups is symmetrical on the longitudinal axis for covering (13), is propped up described in two groups
Top between bar (12) is connected with the top of lower installation board (11), the lower installation board (11) and is connected with rubber blanket (10), institute
State and pressure sensor (9) is connected with the top of rubber blanket (10), top and the pressure conduction plate (8) of the pressure sensor (9)
Bottom fit, the bottom of the lower installation board (11) has been connected by screw harness clips (15), the pressure sensor (9)
Bottom be connected with USB wiring (16), the USB wiring (16) runs through rubber blanket (10), lower installation board (11) and harness clips
(15), the center of the capping (13) offers wire hole, and the USB wiring (16) runs through wire hole.
2. a kind of pressure cell of simulation test with similar mat-erial experiment according to claim 1, it is characterised in that：Described device
Housing (1) and upper backup pad (2) integrated injection molding.
3. a kind of pressure cell of simulation test with similar mat-erial experiment according to claim 1, it is characterised in that：The pressure
The inner chamber that the left and right sidewall of conductive bar (3) is respectively connected with through hole on draw runner, the upper backup pad (2) offers and is adapted with draw runner
Chute.
4. a kind of pressure cell of simulation test with similar mat-erial experiment according to claim 1, it is characterised in that：The USB
Wiring (16) and the junction of the wire hole in capping (13) are provided with sealing ring.
5. a kind of pressure cell of simulation test with similar mat-erial experiment according to claim 1, it is characterised in that：The pressure
Diaphragm (4) is copper diaphragm, and the pressure conduction bar (3), to push diaphragm (5) and installing plate (6) be polyethylene structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328290.6A CN106989859B (en) | 2017-05-11 | 2017-05-11 | A kind of pressure cell of simulation test with similar mat-erial experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328290.6A CN106989859B (en) | 2017-05-11 | 2017-05-11 | A kind of pressure cell of simulation test with similar mat-erial experiment |
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| Publication Number | Publication Date |
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| CN106989859A true CN106989859A (en) | 2017-07-28 |
| CN106989859B CN106989859B (en) | 2019-05-10 |
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| CN201710328290.6A Expired - Fee Related CN106989859B (en) | 2017-05-11 | 2017-05-11 | A kind of pressure cell of simulation test with similar mat-erial experiment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106942A (en) * | 2018-01-15 | 2018-06-01 | 沈阳兴华航空电器有限责任公司 | A kind of digital contact with force transmission mechanism keeps tension gauge housing |
| CN108132116A (en) * | 2017-12-19 | 2018-06-08 | 西安诺伊传感技术有限公司 | A kind of space-vehicle antenna simulated weightlessness unloading force measuring device and its measuring system |
| CN109443636A (en) * | 2018-11-13 | 2019-03-08 | 浙江大学 | A kind of dynamic response evaluating apparatus of strain-type pressure testing system |
| CN110865015A (en) * | 2019-11-26 | 2020-03-06 | 安徽开林新材料股份有限公司 | Waterproof performance detection device for ship waterproof paint |
| CN111855037A (en) * | 2020-08-06 | 2020-10-30 | 重庆大学 | Ground stress measuring device |
| CN113654724A (en) * | 2021-07-30 | 2021-11-16 | 广西电网有限责任公司电力科学研究院 | Precision detection device for pressure sensor production |
| CN114593864A (en) * | 2022-03-09 | 2022-06-07 | 中国船舶重工集团公司第七0三研究所 | Hydraulic sensor for thermal power plant thermodynamic system |
| CN114659698A (en) * | 2022-03-06 | 2022-06-24 | 淮安市格洋浩瑞电子科技有限公司 | Impact-resistant high-stability flat-film type pressure sensor |
| CN114812898A (en) * | 2022-03-10 | 2022-07-29 | 森霸传感科技股份有限公司 | Component with film sensor and preparation method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132116A (en) * | 2017-12-19 | 2018-06-08 | 西安诺伊传感技术有限公司 | A kind of space-vehicle antenna simulated weightlessness unloading force measuring device and its measuring system |
| CN108106942A (en) * | 2018-01-15 | 2018-06-01 | 沈阳兴华航空电器有限责任公司 | A kind of digital contact with force transmission mechanism keeps tension gauge housing |
| CN109443636A (en) * | 2018-11-13 | 2019-03-08 | 浙江大学 | A kind of dynamic response evaluating apparatus of strain-type pressure testing system |
| CN110865015A (en) * | 2019-11-26 | 2020-03-06 | 安徽开林新材料股份有限公司 | Waterproof performance detection device for ship waterproof paint |
| CN111855037A (en) * | 2020-08-06 | 2020-10-30 | 重庆大学 | Ground stress measuring device |
| CN113654724A (en) * | 2021-07-30 | 2021-11-16 | 广西电网有限责任公司电力科学研究院 | Precision detection device for pressure sensor production |
| CN114659698A (en) * | 2022-03-06 | 2022-06-24 | 淮安市格洋浩瑞电子科技有限公司 | Impact-resistant high-stability flat-film type pressure sensor |
| CN114659698B (en) * | 2022-03-06 | 2024-04-09 | 淮安市格洋浩瑞电子科技有限公司 | Impact-resistant high-stability flat membrane type pressure sensor |
| CN114593864A (en) * | 2022-03-09 | 2022-06-07 | 中国船舶重工集团公司第七0三研究所 | Hydraulic sensor for thermal power plant thermodynamic system |
| CN114593864B (en) * | 2022-03-09 | 2024-05-17 | 中国船舶重工集团公司第七0三研究所 | Hydraulic sensor for thermal power plant thermodynamic system |
| CN114812898A (en) * | 2022-03-10 | 2022-07-29 | 森霸传感科技股份有限公司 | Component with film sensor and preparation method |
| CN114812898B (en) * | 2022-03-10 | 2023-10-27 | 森霸传感科技股份有限公司 | Component with thin film sensor and preparation method |
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| CN106989859B (en) | 2019-05-10 |
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