CN219951882U - Static cone penetration tester calibrating device - Google Patents
Static cone penetration tester calibrating device Download PDFInfo
- Publication number
- CN219951882U CN219951882U CN202321526730.6U CN202321526730U CN219951882U CN 219951882 U CN219951882 U CN 219951882U CN 202321526730 U CN202321526730 U CN 202321526730U CN 219951882 U CN219951882 U CN 219951882U
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- China
- Prior art keywords
- cone penetration
- static cone
- penetration tester
- static
- lifting frame
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- 230000003068 static effect Effects 0.000 title claims abstract description 76
- 230000035515 penetration Effects 0.000 title claims abstract description 65
- 238000013016 damping Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to the field of static cone penetration tester calibration, in particular to a static cone penetration tester calibration device, which comprises: the base is provided with a vertical supporting rod, and the top of the vertical supporting rod is provided with a transverse frame; the standard pressure sensor is arranged on the transverse frame; the lifting frame is arranged on the vertical supporting rod in a sliding manner in a lifting manner, and is provided with a static cone penetration tester positioning seat which is positioned vertically below the standard pressure sensor; and the motor is arranged on the base and is connected with the lifting frame through a vertical screw rod. The static cone penetration tester calibration device improves the calibration efficiency and can avoid damage to the calibration device and the static cone penetration tester.
Description
Technical Field
The utility model relates to the field of static cone penetration tester calibration, in particular to a static cone penetration tester calibration device.
Background
The static cone penetration tester is used for finding out the change of stratum in the vertical and horizontal directions, and determining the bearing capacity of a natural foundation and estimating the bearing capacity of a single pile by mechanical layering, and the like, and the static cone penetration tester needs to be calibrated regularly so as to ensure the accuracy of a measurement result. The structure of the equipment or the tool for calibrating the static cone penetration tester can refer to Chinese patent application No. CN202022138808.X, named as a resistance strain type static cone penetration tester calibrating device, and Chinese patent application No. CN201822089354.4, named as a cone head for calibrating the static cone penetration tester. The existing calibrating device is poor in stability of interaction between the static cone penetration tester and the standard pressure sensor, consistency of stress directions of the static cone penetration tester or the standard pressure sensor is difficult to ensure, a force value of the static cone penetration tester when the standard pressure sensor is pressed is neglected, the static cone penetration tester needs to be measured and calibrated for many times, the calibrating efficiency is low, and damage to devices can be easily caused.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the static cone penetration tester calibration device is capable of guaranteeing stable stress of the static cone penetration tester during calibration and improving calibration accuracy.
In order to solve the technical problems, the utility model adopts the following technical scheme: a static cone penetration tester calibration device comprising:
the base is provided with a vertical supporting rod, and the top of the vertical supporting rod is provided with a transverse frame;
the standard pressure sensor is arranged on the transverse frame;
the lifting frame is arranged on the vertical supporting rod in a sliding manner in a lifting manner, and is provided with a static cone penetration tester positioning seat which is positioned vertically below the standard pressure sensor;
and the motor is arranged on the base and is connected with the lifting frame through a vertical screw rod.
Further, the number of the vertical supporting rods is two, and the two vertical supporting rods are respectively positioned on two sides of the vertical screw rod on the base.
Further, a lock hole is formed in the lifting frame, the static cone penetration tester positioning seat is locked with the lock hole through a fastener, and an end positioning groove is formed in the static cone penetration tester positioning seat.
Further, the lifting frame is a corrugated steel plate, and the static cone penetration tester positioning seat is a polytetrafluoroethylene block.
Further, rubber damping supporting legs are arranged at the bottom of the base.
The utility model has the beneficial effects that: the utility model provides a static cone penetration test instrument calibrating device sets up the crane of liftable on the base, utilize the vertical screw rod of motor drive to drive the crane and go up and down along vertical direction under vertical branch's restraint, the static cone penetration test instrument on it rises and the butt is on standard pressure sensor when the crane lifting, the force value parameter change curve and standard pressure sensor's reading can calibrate the static cone penetration test instrument in the analysis calibration process, the relative position of static cone penetration test instrument and standard pressure sensor is invariable in the calibration process, the static cone penetration test instrument can not take place the skew, the pressure numerical value is accurate and stable when the two is pressed the interact, calibration efficiency has been improved, can avoid calibrating device and static cone penetration test instrument to receive the damage simultaneously.
Drawings
FIG. 1 is a schematic structural diagram of a static cone penetration tester calibration device;
FIG. 2 is another schematic structural view of a static cone penetration tester calibration device;
description of the reference numerals:
1. a base; 11. a vertical strut; 12. a cross frame; 13. rubber damping support legs; 2. a standard pressure sensor; 3. a lifting frame; 31. static cone penetration tester positioning seat; 4. a motor; 41. and (3) a vertical screw.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The utility model provides a static cone penetration tester calibration device which is applied to static cone penetration tester calibration operation.
Referring to fig. 1 to 2, a static cone penetration tester calibration device of the present utility model includes:
the base 1 is provided with a vertical supporting rod 11, and a transverse frame 12 is arranged at the top of the vertical supporting rod 11;
a standard pressure sensor 2 mounted on a cross frame 12;
the lifting frame 3 is arranged on the vertical supporting rod 11 in a sliding manner in a lifting manner, a static cone penetration tester positioning seat 31 is arranged on the lifting frame 3, and the static cone penetration tester positioning seat 31 is positioned vertically below the standard pressure sensor 2;
and a motor 4 arranged on the base 1, wherein the motor 4 is connected with the lifting frame 3 through a vertical screw 41.
From the above description, the beneficial effects of the utility model are as follows: the utility model provides a static cone penetration test device, set up lifting frame 3 on base 1, utilize motor 4 drive vertical screw 41 to drive lifting frame 3 and go up and down along vertical direction under the constraint of vertical branch 11, the static cone penetration test device on it rises and the butt is on standard pressure sensor 2 when lifting frame 3 is lifted, the calibration can be carried out to the static cone penetration test device to the reading of analysis calibration in-process force value parameter variation curve and standard pressure sensor 2, the relative position of static cone penetration test device and standard pressure sensor 2 is invariable in the calibration process, the static cone penetration test device can not take place the skew, when the two pressurized interactions, the pressure numerical value is accurate and stable, calibration efficiency has been improved, simultaneously calibration device and static cone penetration test device can be avoided receiving the damage.
In an alternative embodiment, the number of the vertical struts 11 is two, and the two vertical struts 11 are respectively located on two sides of the vertical screw 41 on the base 1.
From the above description, the vertical strut 11 is used for guiding and limiting the lifting frame 3 so as to ensure the axial precision of the static cone penetration tester during lifting.
In an alternative embodiment, a lock hole is formed on the lifting frame 3, the static cone penetration tester positioning seat 31 is locked with the lock hole through a fastener, and an end positioning groove is formed in the static cone penetration tester positioning seat 31.
From the above description, the static cone positioning seat 31 is designed to be conveniently assembled and disassembled, and is connected with the lifting frame 3, so that the static cone positioning seat 31 with different shape end positioning grooves can be conveniently replaced, and the static cone positioning seat is selected according to different specifications of the static cone.
In an alternative embodiment, the lifting frame 3 is a corrugated steel plate, and the static cone penetration tester positioning seat 31 is a polytetrafluoroethylene block.
From the above description, the lifting frame 3 adopts a corrugated steel plate structure, and is matched with the static cone penetration tester positioning seat 31 made of polytetrafluoroethylene material, so that the energy absorption and shock absorption capacity of the supporting structure is improved, the fluctuation of readings caused by the interference of external environmental factors such as vibration of the motor 4 is avoided, and the calibration precision is improved.
In an alternative embodiment, the bottom of the base 1 is provided with rubber shock absorbing legs 13.
From the above description, the rubber damping support leg 13 is used to improve the damping performance of the base 1, avoid the fluctuation of the reading caused by vibration, and improve the calibration accuracy.
Referring to fig. 1 to 2, a first embodiment of the present utility model is as follows: a static cone penetration tester calibration device comprising:
the base 1 is provided with a vertical supporting rod 11, and a transverse frame 12 is arranged at the top of the vertical supporting rod 11;
a standard pressure sensor 2 mounted on a cross frame 12;
the lifting frame 3 is arranged on the vertical supporting rod 11 in a sliding manner in a lifting manner, a static cone penetration tester positioning seat 31 is arranged on the lifting frame 3, and the static cone penetration tester positioning seat 31 is positioned vertically below the standard pressure sensor 2;
and a motor 4 arranged on the base 1, wherein the motor 4 is connected with the lifting frame 3 through a vertical screw 41.
The number of the vertical struts 11 is two, and the two vertical struts 11 are respectively positioned on two sides of the vertical screw 41 on the base 1. The lifting frame 3 is provided with a lock hole, the static cone penetration tester positioning seat 31 is locked with the lock hole through a fastener, and the static cone penetration tester positioning seat 31 is provided with an end positioning groove.
The lifting frame 3 is a corrugated steel plate, and the static cone penetration tester positioning seat 31 is a polytetrafluoroethylene block. The bottom of the base 1 is provided with rubber damping supporting legs 13.
In summary, the lifting frame capable of lifting is arranged on the base, the lifting frame is driven by the motor to lift under the constraint of the vertical supporting rod, the lifting frame drives the static cone to lift and to be abutted to the standard pressure sensor when lifting, the static cone can be calibrated by analyzing the force value parameter change curve and the reading of the standard pressure sensor in the calibration process, the relative positions of the static cone and the standard pressure sensor are constant, the static cone cannot deviate, the pressure value is accurate and stable when the static cone and the static cone are pressed to interact, the calibration efficiency is improved, and meanwhile, the static cone and the calibration device can be prevented from being damaged.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (5)
1. A static cone penetration tester calibration device, comprising:
the base is provided with a vertical supporting rod, and the top of the vertical supporting rod is provided with a transverse frame;
the standard pressure sensor is arranged on the transverse frame;
the lifting frame is arranged on the vertical supporting rod in a sliding manner in a lifting manner, and is provided with a static cone penetration tester positioning seat which is positioned vertically below the standard pressure sensor;
and the motor is arranged on the base and is connected with the lifting frame through a vertical screw rod.
2. The static cone penetration tester calibration device according to claim 1, wherein the number of the vertical struts is two, and the two vertical struts are respectively positioned on two sides of the vertical screw on the base.
3. The static cone penetration tester calibration device according to claim 1, wherein a lock hole is formed in the lifting frame, the static cone penetration tester positioning seat is locked with the lock hole through a fastener, and an end positioning groove is formed in the static cone penetration tester positioning seat.
4. The static cone penetration tester calibration device according to claim 1, wherein the lifting frame is a corrugated steel plate, and the static cone penetration tester positioning seat is a polytetrafluoroethylene block.
5. The static cone penetration tester calibration device according to claim 1, wherein the bottom of the base is provided with rubber damping support legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321526730.6U CN219951882U (en) | 2023-06-15 | 2023-06-15 | Static cone penetration tester calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321526730.6U CN219951882U (en) | 2023-06-15 | 2023-06-15 | Static cone penetration tester calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219951882U true CN219951882U (en) | 2023-11-03 |
Family
ID=88538038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321526730.6U Active CN219951882U (en) | 2023-06-15 | 2023-06-15 | Static cone penetration tester calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219951882U (en) |
-
2023
- 2023-06-15 CN CN202321526730.6U patent/CN219951882U/en active Active
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