CN210571800U - Soil hardness tester - Google Patents
Soil hardness tester Download PDFInfo
- Publication number
- CN210571800U CN210571800U CN201921328706.5U CN201921328706U CN210571800U CN 210571800 U CN210571800 U CN 210571800U CN 201921328706 U CN201921328706 U CN 201921328706U CN 210571800 U CN210571800 U CN 210571800U
- Authority
- CN
- China
- Prior art keywords
- shell
- lead screw
- hardness tester
- upper cover
- soil hardness
- 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.)
- Expired - Fee Related
Links
- 239000002689 soil Substances 0.000 title claims abstract description 33
- 239000000523 sample Substances 0.000 claims abstract description 21
- 238000005303 weighing Methods 0.000 claims abstract description 17
- 239000007769 metal material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000006872 improvement Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007542 hardness measurement Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a soil hardness tester, including shell, vertical setting lead screw in the shell, set up in the shell and with the supporting nut of lead screw, with nut fixed connection's weighing sensor and with weighing sensor's articulate probe, the bottom of shell is worn out to the bottom of probe, and the fixing device of shell rebound when being used for preventing to survey is installed to the bottom of shell, and weighing sensor is connected with the external control device who is used for showing measured data, and the shell is worn out and is connected with rotating device at the top of lead screw. The utility model has simple structure, converts the rotary motion into linear motion through the lead screw and the nut, and can continuously and stably provide pressure, so that the measured value is more accurate; the hardness of the soil at different depths can be continuously measured at one time by matching the magnet with the Hall sensor; the lead screw is manually rotated by a person, an external power supply is not needed, and the device is more suitable for remote areas; the fixing device is detachably connected with the shell, so that the transportation is convenient.
Description
Technical Field
The utility model belongs to the technical field of the soil hardness measurement, especially, relate to a soil hardness tester.
Background
the existing device for measuring the soil hardness generally presses a measuring device by people to measure the soil hardness, and has the defects that the measured value is larger and the measuring result is inaccurate if the people press the measuring device by too much force, and the device can only measure the soil hardness at different depths once and cannot continuously measure the soil hardness at different depths.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a measure the apparatus of the hardness of the soil of the different degree of depth of accuracy, continuously measuring is provided.
In order to solve the above problems, the utility model adopts the following technical proposal:
the utility model provides a soil hardness tester, is in including shell, vertical setting lead screw, setting in the shell are in the shell and with the supporting nut of lead screw, with nut fixed connection's weighing sensor and with weighing sensor's articulate probe, wear out the bottom of probe the bottom of shell, the fixing device that is used for preventing shell rebound when surveing is installed to the bottom of shell, weighing sensor is connected with the external control device who is used for showing the survey data, wear out the top of lead screw the shell is and be connected with rotating device.
The improved structure comprises a shell, wherein the shell is provided with an opening above, an upper cover is covered above the shell, the top of a lead screw penetrates out of the upper cover, a magnet is installed in one side of the upper end of the lead screw, a Hall sensor matched with the magnet is installed on the upper cover, and the Hall sensor is connected with an external display control device.
In a further improvement, a limiting device is fixedly arranged on the middle upper part of the screw rod.
In a further improvement, the limiting device is a limiting ring which is welded on the middle upper part of the screw rod and is made of a metal material protruding outwards, and the outer diameter of the limiting ring is larger than the diameter of a hole for the screw rod to penetrate out, wherein the hole is formed in the upper cover.
In a further improvement, a conical head is arranged at the bottom end of the probe, and the diameter of the upper end circle of the conical head is larger than that of the probe.
In a further improvement, two opposite side surfaces of the shell are provided with shell connecting holes, the side surface of the upper cover corresponding to the side surface of the shell opening hole is provided with an upper cover connecting hole, and the upper cover and the shell are detachably connected through a connecting piece and the connecting holes.
In a further improvement, two mounting plates are welded on two sides of the bottom surface of the shell respectively, and grooves for mounting the fixing devices are horizontally arranged on the mounting plates.
In a further improvement, the fixing device is a pedal formed with steps and used for preventing the shell from directly contacting the bottom surface of the soil.
In a further improvement, the external control device is an external control device comprising a single chip microcomputer and a display screen.
In a further improvement, the rotating device is a hand wheel or a spanner bar.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model has simple structure, converts the rotary motion into linear motion through the lead screw and the nut, and can continuously and stably provide pressure, so that the measured value is more accurate; the hardness of the soil at different depths can be continuously measured at one time by matching the magnet with the Hall sensor; the lead screw is manually rotated by a person, an external power supply is not needed, and the device is more suitable for remote areas; the fixing device is detachably connected with the shell, so that the transportation is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
The device comprises a screw rod 1, a lead screw 2, a shell 3, a nut 4, a weighing sensor 5, a probe 6, a conical head 7, an upper cover 8, a limiting device 9, an external display control device 10, a rotating device 11, a fixing device 12, a magnet 13 and a Hall sensor.
Detailed Description
To make the objects, aspects and advantages of the present invention clearer and more fully described below with reference to the following detailed description, it is to be understood that the terms "center", "vertical", "horizontal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the drawings, and are used merely for convenience of describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples
As shown in fig. 1, a soil hardness tester comprises a housing 2, a screw rod 1 vertically arranged in the housing 2, a nut 3 arranged in the housing 2 and matched with the screw rod 1, a weighing sensor 4 fixedly connected with the nut 3, and a probe 5 connected with a joint of the weighing sensor 4, wherein the bottom end of the probe 5 penetrates through the bottom of the housing 2, the housing 2 is used for protecting the screw rod 1, the nut 3 and the weighing sensor 4 in the housing, so as to prevent a device in the housing 2 from being collided or polluted by dust, the screw rod 1 and the nut 3 are used for converting rotary motion into linear motion, so that the nut 3 drives the weighing sensor to move up/down, so as to drive the probe 5 to move up/down, and the bottom end of the probe 5 is used for being inserted into soil to measure pressure through the weighing sensor; the bottom of the shell 2 is provided with a fixing device 11 for preventing the shell 2 from moving upwards during measurement; the weighing sensor 4 is connected with an external control device 9 for displaying measured data, and the external control device 9 is used for displaying and recording measured values; the top of lead screw 1 is worn out shell 2 is and be connected with rotating device 10, and rotating device 10 is used for rotating lead screw 1, rotating device 10 is the pull rod, rotates the lead screw through the pull rod, labour saving and time saving, easy dismounting, and need not provide power with the power, makes this device applicable in remote area and long-time operation.
An opening is formed in the upper portion of the shell 2, an upper cover 7 is covered on the upper portion of the shell 2, the top of the lead screw 1 penetrates out of the upper cover 7, a magnet 12 is installed in one side of the upper end of the lead screw 1, a Hall sensor 13 matched with the magnet 12 is installed on the upper cover 7, the Hall sensor 13 is connected with an external display control device 9, and the external display control device 9 is an external display control device comprising a single chip microcomputer and a display screen; through magnet 12 and hall sensor 13 cooperation use, can make appearance controlling means 9 record and show the measured value when lead screw 1 rotates one round, because the distance between each round of lead screw is invariable, so can calculate the degree of depth that probe 5 inserted in soil according to the number of turns that lead screw 1 rotated to the accessible once is surveyed, the hardness of the soil of the different degree of depth in succession.
The utility model discloses a lead screw 1, including lead screw 1, stop device 8 is the outside convex metal material's of welding in the well upper portion of lead screw 1 spacing ring, the external diameter of spacing ring is greater than the diameter in the hole that supplies lead screw 1 to wear out on upper cover 7, and stop device 8 is used for preventing that lead screw 1 from upwards moving and leading to the measured value not right when rotating because of the effect of pressure.
Two relative sides of shell 2 are opened there is the shell connecting hole, the upper cover side that corresponds with the side of the 2 trompils of shell on the upper cover 7 is opened there is the upper cover connecting hole, and upper cover 7 can be dismantled with shell 2 through connecting piece and connecting hole and be connected (not shown in the figure), can dismantle the connection and made things convenient for the change and the maintenance to the part in the shell 2.
Two mounting plates are welded on two sides of the bottom surface of the shell 2 respectively, and the mounting plates are horizontally provided with grooves for mounting the fixing devices 11; the fixing device 11 is detachably arranged on two sides of the bottom surface of the shell 2, so that the space can be saved during transportation and carrying, and the overall occupied space is prevented from being too large.
The fixing device 11 is a pedal with steps formed in the shape and used for preventing the shell 2 from directly contacting the bottom surface of soil, and when the hardness of the soil is measured, the feet of an operator step on the pedal, so that the shell 2 is prevented from moving upwards integrally in the test process, and the measurement result is more accurate.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (10)
1. A soil hardness tester is characterized in that: including shell (2), vertical setting lead screw (1), the setting in shell (2) is in shell (2) and with supporting nut (3) of lead screw (1), with nut (3) fixed connection's weighing sensor (4) and with the probe (5) of the articulate of weighing sensor (4), wear out the bottom of probe (5) the bottom of shell (2), fixing device (11) that shell (2) rebound when being used for preventing to survey are installed to the bottom of shell (2), weighing sensor (4) are connected with external control device (9) that are used for showing survey data, wear out the top of lead screw (1) shell (2) and be connected with rotating device (10), through rotating device (10) drive lead screw (1) is rotatory, lead screw (1) rotatory drive nut (3), The weighing sensor (4) and the probe (5) move vertically.
2. The soil hardness tester according to claim 1, wherein: the improved structure of the lead screw is characterized in that the upper portion of the shell (2) is provided with an opening, the upper cover (7) is covered on the upper portion of the shell (2), the top of the lead screw (1) penetrates out of the upper cover (7), a magnet (12) is installed in one side of the upper end of the lead screw (1), a Hall sensor (13) matched with the magnet (12) for use is installed on the upper cover (7), and the Hall sensor (13) is connected with the external display control device (9).
3. The soil hardness tester according to claim 2, wherein: and a limiting device (8) is fixedly arranged at the middle upper part of the lead screw (1).
4. The soil hardness tester according to claim 3, wherein: the limiting device (8) is a limiting ring which is welded on the middle upper part of the lead screw (1) and is made of a metal material protruding outwards, and the outer diameter of the limiting ring is larger than the diameter of a hole, penetrating out of the lead screw (1), on the upper cover (7).
5. The soil hardness tester according to claim 1, wherein: the bottom of probe (5) is installed conical head (6), the diameter of the upper end circle of conical head (6) is greater than the diameter of probe (5).
6. The soil hardness tester according to claim 2, wherein: two relative sides of shell (2) are opened there is the shell connecting hole, the upper cover side that corresponds with the side of shell (2) trompil on upper cover (7) is opened there is the upper cover connecting hole, and upper cover (7) can be dismantled with shell (2) through connecting piece and connecting hole and be connected.
7. The soil hardness tester according to claim 1, wherein: the bottom surface both sides of shell (2) respectively weld there is a mounting panel, the mounting panel level is provided with the recess that is used for installing fixing device (11).
8. The soil hardness tester according to claim 1, wherein: the fixing device (11) is a step-shaped pedal plate and is used for preventing the shell (2) from directly contacting the bottom surface of the soil.
9. The soil hardness tester according to claim 1, wherein: the external control device (9) is an external control device comprising a single chip microcomputer and a display screen.
10. The soil hardness tester according to claim 1, wherein: the rotating device (10) is a hand wheel or a spanner bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921328706.5U CN210571800U (en) | 2019-08-16 | 2019-08-16 | Soil hardness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921328706.5U CN210571800U (en) | 2019-08-16 | 2019-08-16 | Soil hardness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210571800U true CN210571800U (en) | 2020-05-19 |
Family
ID=70629046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921328706.5U Expired - Fee Related CN210571800U (en) | 2019-08-16 | 2019-08-16 | Soil hardness tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210571800U (en) |
-
2019
- 2019-08-16 CN CN201921328706.5U patent/CN210571800U/en not_active Expired - Fee Related
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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: 20200519 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |