CN209606014U - A kind of portable soil pressure meter calibration device - Google Patents
A kind of portable soil pressure meter calibration device Download PDFInfo
- Publication number
- CN209606014U CN209606014U CN201920408122.2U CN201920408122U CN209606014U CN 209606014 U CN209606014 U CN 209606014U CN 201920408122 U CN201920408122 U CN 201920408122U CN 209606014 U CN209606014 U CN 209606014U
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- China
- Prior art keywords
- sensor
- fishplate bar
- pressure meter
- hole
- control panel
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of portable soil pressure meter calibration devices, including load plate, control panel, sensor fishplate bar and bottom plate；Control panel is detachably connected with sensor fishplate bar；Sensor fishplate bar is detachably connected with bottom plate；Load plate bottom is removably connected with force-transmitting pole, and force-transmitting pole passes through control panel, opens up through-hole on control panel；Force-transmitting pole is removably connected with polishing head；It is provided with support rod between control panel and sensor fishplate bar, is connected with gasket ring on support rod, support rod and one end far from gasket ring is removably connected on sensor fishplate bar and is removably connected on control panel support rod close to one end of gasket ring；Calibration hole is offered on sensor fishplate bar, demarcates hole face through-hole.The portable soil pressure meter calibration device of the utility model is bonded reality of work, it can be tested according to the power transmission feature of the various sample soil body, help to understand the working condition and working method of sensor, reduces in engineering directly with measurement data without correcting the error generated.
Description
Technical field
The utility model belongs to pressure sensor calibrating technical field, and in particular to a kind of portable soil pressure meter calibration device.
Background technique
Soil pressure meter can be reflected directly in the soil pressure variation in roadbed, retaining wall, dam body and Tunnel Engineering test, in China
Have great importance in the work of geotechnical engineering field.But the work when working environment due to soil pressure meter and producer's calibration
Environment is entirely different, so that the pressure of record and the true pressure gap acted on the soil body are larger, it is especially more loose in the soil body
And under big load action, the data of soil pressure meter record are very small compared with the true load obtained by theoretical calculation, herein
On the basis of, if directly to design engineering and determining construction technology by the data that soil pressure meter records, engineering can be made to generate a system
The safety issue of column.Therefore, load value and real load that soil pressure meter is recorded are determined in being bonded actual working environment
The relationship of value is particularly significant, so designing a kind of actual working environment soil pressure meter calibration device of fitting is necessary.
Utility model content
It is a kind of portable the technical problem to be solved by the utility model is in view of the above shortcomings of the prior art, provide
Soil pressure meter calibration device, the portable soil pressure meter calibration device improve opposite with sensor actual working environment when conventional hydraulic calibration
From defect, more fitting reality of work, can be tested according to the power transmission feature of the various sample soil body, be more conducive to understand pass
The working condition and working method of sensor reduce in engineering directly with measurement data without correcting the error generated.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of portable soil pressure meter calibration device,
It is characterised in that it includes successively load plate disposed in parallel, control panel, sensor fishplate bar and bottom plate from top to bottom；The control
Plate is detachably connected with sensor fishplate bar；The sensor fishplate bar is detachably connected with bottom plate；
The load plate bottom is removably connected with force-transmitting pole, and the force-transmitting pole passes through control far from one end of load plate
Plate offers the through-hole for being pierced by force-transmitting pole on the control panel；One end that the force-transmitting pole passes through control panel detachably connects
It is connected to the polishing head for pressurizeing to soil body sample；
It is provided with support rod between the control panel and sensor fishplate bar, gasket ring, the branch are connected on the support rod
One end of strut and separate gasket ring is removably connected on sensor fishplate bar, and one end of the support rod and close gasket ring is detachable
It is connected on control panel；
The calibration hole for accommodating soil body sample and sensor, calibration hole face are offered on the sensor fishplate bar
Through-hole.
Above-mentioned a kind of portable soil pressure meter calibration device, which is characterized in that the sensor fishplate bar and bottom plate pass through bolt
It is detachably connected.
A kind of above-mentioned portable soil pressure meter calibration device, it is characterised in that: bolt hole is offered on the sensor fishplate bar,
The number of the bolt hole is 4, and the bolt is set in bolt hole.
Above-mentioned a kind of portable soil pressure meter calibration device, it is characterised in that: be provided with and be used for and load on the force-transmitting pole
The external screw thread that plate is detachably connected.
Above-mentioned a kind of portable soil pressure meter calibration device, it is characterised in that: offer on the polishing head and inserted with force-transmitting pole
The force transmission hole that scarf closes.
Above-mentioned a kind of portable soil pressure meter calibration device, it is characterised in that: the quantity of the support rod is 4.
Above-mentioned a kind of portable soil pressure meter calibration device, it is characterised in that: the gasket ring is threadedly coupled with support rod.
Above-mentioned a kind of portable soil pressure meter calibration device, it is characterised in that: on the face of the load plate and separate force-transmitting pole
It is removably connected with the hollow vertical bar for fixing plate counterweight；It is provided in the hollow vertical bar for can with load plate
The screw thread of dismantling connection.
Above-mentioned a kind of portable soil pressure meter calibration device, it is characterised in that: be provided in the through-hole and be used to support installation
The linear bearing of force-transmitting pole.
Above-mentioned a kind of portable soil pressure meter calibration device, it is characterised in that: offer on the sensor fishplate bar for leading to
The wire casing of sensor transmissions line is crossed, one end of the wire casing is connected to calibration hole, and the other end of the wire casing is pierced by sensor and connects
Plate is in communication with the outside.
Compared with the prior art, the utility model has the following advantages:
1, the portable soil pressure meter calibration device of the utility model passes through the polishing head for being designed for pressurizeing to soil body sample, passes
Power column and load plate improve the defect being away from each other when conventional hydraulic calibration with sensor actual working environment, more fitting work
It is practical, it can be tested according to the power transmission feature of the various sample soil body, be more conducive to understand the working condition of sensor and work
Make mode, reduces in engineering directly with measurement data without correcting the error generated.
2, the portable soil pressure meter calibration device of the utility model provides load, the quality energy of plate counterweight using plate counterweight
It is enough to be customized according to the range and work requirements of soil pressure meter, calibration pore size can be determined according to size sensor, be applicable in
In various forms of transducer calibrations.
3, the portable soil pressure meter calibration device of the utility model is novel in design, and structure is simply light and handy, detachable convenient for conclusion
Storage, is easy to carry about with one, and practical, using effect is good, under various circumstances strong operability, has in actual operation very high
Application value.
With reference to the accompanying drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the portable soil pressure meter calibration device of the utility model；
Fig. 2 is the structural schematic diagram of the control panel of the utility model；
Fig. 3 is the linear bearing of the utility model and the connection relationship diagram of force-transmitting pole；
Fig. 4 is the support rod and gasket ring connection relationship diagram of the utility model.
Description of symbols:
1-load plate；The hollow vertical bar of 1-1-；1-2-force-transmitting pole；
2-control panels；2-1-through-hole；3-polishing heads；
4-support rods；4-1-gasket ring；5-sensor fishplate bars；
5-1-calibration hole；5-2-wire casing；6-bottom plates；
7-linear bearings.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, the portable soil pressure meter calibration device of the utility model, including successively put down from top to bottom
Load plate 1, control panel 2, sensor fishplate bar 5 and the bottom plate 6 of row setting；The control panel 2 detachably connects with sensor fishplate bar 5
It connects；The sensor fishplate bar 5 is detachably connected with bottom plate 6；
1 bottom of load plate is removably connected with force-transmitting pole 1-2, and the force-transmitting pole 1-2 is worn far from one end of load plate 1
Control panel 2 is crossed, the through-hole 2-1 for being pierced by force-transmitting pole 1-2 is offered on the control panel 2；The force-transmitting pole 1-2 passes through control
One end of making sheet 2 is removably connected with the polishing head 3 for pressurizeing to soil body sample；
It is provided with support rod 4 between the control panel 2 and sensor fishplate bar 5, is connected with gasket ring 4-1 on the support rod 4,
One end of the support rod 4 and separate gasket ring 4-1 are removably connected on sensor fishplate bar 5, the support rod 4 and close gasket ring
One end of 4-1 is removably connected on control panel 2；
The calibration hole 5-1 for accommodating soil body sample and sensor, the calibration hole are offered on the sensor fishplate bar 5
5-1 face through-hole 2-1.Calibration hole 5-1 is through-hole, demarcates the size of hole 5-1 according to soil pressure meter size design, can be directed to different
The different calibration hole 5-1 of sensor custom design to be calibrated.
In the present embodiment, the sensor fishplate bar 5 and bottom plate 6 are detachably connected by bolt.Bolt in the present embodiment
For hand-tighten bolts, guarantee tighten hand-tighten bolts by sensor fishplate bar 5 and bottom plate 6 it is fixed after, sensor fishplate bar 5 will not along with
The contact surface of bottom plate 6 horizontally slips, and is detachably connected by bolt, facilitates and is stored.
In the present embodiment, bolt hole is offered on the sensor fishplate bar 5, the number of the bolt hole is 4, the spiral shell
Bolt is set in bolt hole.4 bolts hole are centered around around calibration hole 5-1, guarantee to connect between sensor fishplate bar 5 and bottom plate 6
Compactness.
In the present embodiment, the external screw thread for being detachably connected with load plate 1 is provided on the force-transmitting pole 1-2.Power transmission
Column 1-2 is detachably fixed by external screw thread with load plate 1, can either realize the stability of calibration process power transmission, while facilitating again
Carry out dismounting storage.
In the present embodiment, is offered on the polishing head 3 and insert the force transmission hole that scarf closes with force-transmitting pole 1-2.Polishing head 3 and examination
The sample soil body directly contacts, and polishing head 3 and calibration hole 5-1 are mating.
In the present embodiment, the quantity of the support rod 4 is 4.
In the present embodiment, the gasket ring 4-1 is threadedly coupled with support rod 4.Gasket ring 4-1 is used to support control panel 2, gasket ring 4-
1 is provided with internal screw thread, and 4 upper end of support rod is provided with external screw thread matched with the internal screw thread of gasket ring 4-1, can be adjusted by the thread
The position of gasket ring 4-1 is controlled, the height of control panel 2 is regulated and controled.
In the present embodiment, it is removably connected on the face of the load plate 1 and separate force-transmitting pole 1-2 for fixing plate weight
The hollow vertical bar 1-1 of code；The screw thread for being detachably connected with load plate 1 is provided on the hollow vertical bar 1-1.Load
Threaded hole is offered on plate 1, internal screw thread matched with hollow vertical bar 1-1 external screw thread is provided in the threaded hole, and being used for will
Hollow vertical bar 1-1 is fixed in load plate 1, and hollow vertical bar 1-1 is for controlling the offset of plate counterweight.It opens at plate counterweight center
Hole, the aperture of plate counterweight aperture match with hollow vertical bar 1-1 shank diameter, and the quality of plate counterweight can be according to sensor
Range and work requirements are selected.
In the present embodiment, the linear bearing 7 for being used to support installation force-transmitting pole 1-2 is provided in the through-hole 2-1.Linear axis
Coefficient of friction between force-transmitting pole 1-2 and control panel 2 can be reduced by holding 7, reduce load loss.
In the present embodiment, offered on the sensor fishplate bar 5 for the wire casing 5-2 by sensor transmissions line, it is described
One end of wire casing 5-2 is connected to calibration hole 5-1, and the other end of the wire casing 5-2 is pierced by sensor fishplate bar 5 and is in communication with the outside.
The installation and the course of work of the portable soil pressure meter calibration device of the utility model are as follows: being put into calibration hole 5-1 needs
Transmission line is drawn from wire casing 5-2, sensor fishplate bar 5 is placed on bottom plate 6, is bolted by the soil pressure meter to be demarcated
Sensor fishplate bar 5 and bottom plate 6 are packed into the sample soil body into calibration hole 5-1, the sample soil body are depressed into natural void ratio, to sample
Polishing head 3 is placed on the soil body, and sensor fishplate bar 5 is inserted into 4 lower end of support rod, control panel 2 is connect with support rod 4, by power transmission
Column 1-2 is fixed in load plate 1, and force-transmitting pole 1-2 is passed through the linear bearing 7 in through-hole 2-1, then inserts and is embedded into polishing head 3
In force transmission hole, the position gasket ring 4-1 is adjusted, plate counterweight is set on hollow vertical bar 1-1, starts to mark by fixed control panel 2
It is fixed, data are acquired by the pressure data acquisition system connecting with soil pressure meter transmission line.
The above is only the preferred embodiment of the utility model, not does any restrictions to the utility model, all
Factually with new technique any simple modification substantially to the above embodiments, change and equivalent structural changes, still belong to
In in the protection scope of technical solutions of the utility model.
Claims (10)
1. a kind of portable soil pressure meter calibration device, which is characterized in that including from top to bottom successively load plate (1) disposed in parallel,
Control panel (2), sensor fishplate bar (5) and bottom plate (6)；The control panel (2) is detachably connected with sensor fishplate bar (5)；It is described
Sensor fishplate bar (5) is detachably connected with bottom plate (6)；
Load plate (1) bottom is removably connected with force-transmitting pole (1-2), and the one of the force-transmitting pole (1-2) separate load plate (1)
End offers the through-hole (2-1) for being pierced by force-transmitting pole (1-2) on control panel (2), the control panel (2)；The power transmission
One end that column (1-2) passes through control panel (2) is removably connected with the polishing head (3) for pressurizeing to soil body sample；
It is provided with support rod (4) between the control panel (2) and sensor fishplate bar (5), is connected with gasket ring on the support rod (4)
(4-1), the support rod (4) and one end far from gasket ring (4-1) are removably connected on sensor fishplate bar (5), the support
One end of bar (4) and close gasket ring (4-1) are removably connected on control panel (2)；
The calibration hole (5-1) for accommodating soil body sample and sensor, the calibration hole are offered on the sensor fishplate bar (5)
(5-1) face through-hole (2-1).
2. a kind of portable soil pressure meter calibration device according to claim 1, which is characterized in that the sensor fishplate bar (5)
It is detachably connected with bottom plate (6) by bolt.
3. a kind of portable soil pressure meter calibration device according to claim 2, it is characterised in that: the sensor fishplate bar (5)
On offer bolt hole, the number of the bolt hole is 4, and the bolt is set in bolt hole.
4. a kind of portable soil pressure meter calibration device according to claim 1, it is characterised in that: on the force-transmitting pole (1-2)
It is provided with the external screw thread for being detachably connected with load plate (1).
5. a kind of portable soil pressure meter calibration device according to claim 1, it is characterised in that: opened on the polishing head (3)
Equipped with the force transmission hole for inserting scarf conjunction with force-transmitting pole (1-2).
6. a kind of portable soil pressure meter calibration device according to claim 1, it is characterised in that: the number of the support rod (4)
Amount is 4.
7. a kind of portable soil pressure meter calibration device according to claim 1, it is characterised in that: the gasket ring (4-1) and branch
Strut (4) is threadedly coupled.
8. a kind of portable soil pressure meter calibration device according to claim 1, it is characterised in that: the load plate (1) and remote
The hollow vertical bar (1-1) for fixing plate counterweight is removably connected on face from force-transmitting pole (1-2)；It is described hollow vertical
The screw thread for being detachably connected with load plate (1) is provided on bar (1-1).
9. a kind of portable soil pressure meter calibration device according to claim 1, it is characterised in that: set in the through-hole (2-1)
It is equipped with the linear bearing (7) for being used to support installation force-transmitting pole (1-2).
10. a kind of portable soil pressure meter calibration device according to claim 1, it is characterised in that: the sensor fishplate bar (5)
On offer for by the wire casing (5-2) of sensor transmissions line, one end of the wire casing (5-2) to be connected to hole (5-1) is demarcated,
The other end of the wire casing (5-2) is pierced by sensor fishplate bar (5) and is in communication with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408122.2U CN209606014U (en) | 2019-03-28 | 2019-03-28 | A kind of portable soil pressure meter calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408122.2U CN209606014U (en) | 2019-03-28 | 2019-03-28 | A kind of portable soil pressure meter calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209606014U true CN209606014U (en) | 2019-11-08 |
Family
ID=68406935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920408122.2U Expired - Fee Related CN209606014U (en) | 2019-03-28 | 2019-03-28 | A kind of portable soil pressure meter calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209606014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894912A (en) * | 2021-10-27 | 2022-01-07 | 中山大学 | Multifunctional detachable test piece mold |
-
2019
- 2019-03-28 CN CN201920408122.2U patent/CN209606014U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113894912A (en) * | 2021-10-27 | 2022-01-07 | 中山大学 | Multifunctional detachable test piece mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191108 Termination date: 20200328 |
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| CF01 | Termination of patent right due to non-payment of annual fee |