CN208060291U - A kind of measurement device of soil body unconfined compressive strength - Google Patents
A kind of measurement device of soil body unconfined compressive strength Download PDFInfo
- Publication number
- CN208060291U CN208060291U CN201820606051.2U CN201820606051U CN208060291U CN 208060291 U CN208060291 U CN 208060291U CN 201820606051 U CN201820606051 U CN 201820606051U CN 208060291 U CN208060291 U CN 208060291U
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- CN
- China
- Prior art keywords
- soil body
- compressive strength
- driving device
- unconfined compressive
- measurement device
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- 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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Abstract
The utility model discloses a kind of measurement devices of soil body unconfined compressive strength, including Qiang degree Shi to test Zhuan Zhi ﹑ control device of wireless, data processing equipment；Strength test device includes upper guard board, driving device, top board, pedestal, lower platen and two bearing bars for being used to support upper guard board and pedestal being connect with driving device by ball-screw, driving device bottom are additionally provided with the handwheel for manually controlling ball-screw lifting；Control device of wireless includes emission part and receiving part；Data processing equipment includes A/D converter and display screen, and the A/D converter is connect with display screen and strength test device respectively by signal wire.The utility model can realize contactless manipulation, and operating personnel in work are avoided by way of wireless control and disclosure satisfy that actual various demands apart from the excessively close caused security risk of equipment, functional.
Description
Technical field
The utility model is related to technical field of tunnel construction, specially a kind of measurement for unconfined compressive strength fills
It sets.
Background technology
In tunnel construction, unconfined compressive strength refers to curing soil sample under the conditions of no lateral pressure, is resisted axial
The ultimate strength of stress is the most basic mechanical performance index of solidified earth, it is evaluation cement or other cementing materials to the soil body
One of important indicator of solidification effect, currently about the control section of no lateral spacing intensive parameter measurement device mainly by wired
The mode of connection, this control mode is there are prodigious security risk, when the problem of aging of circuit, second is that operator's distance
Equipment is closer, once accident occurs during compression test, it is easy to staff is damaged.
Utility model content
In order to overcome the shortcomings of that prior art, the utility model provide a kind of measurement of soil body unconfined compressive strength
Device, by control device of wireless under conditions of distance test (DT) device certain distance, remote control experimental rig works.
The operation of worker easy to operation, functional disclosure satisfy that actual various demands, can effectively solve asking in background technology
Topic.
Technical solution adopted by the utility model to solve its technical problems is：A kind of survey of soil body unconfined compressive strength
Determine device, including Qiang degree Shi tests Zhuan Zhi ﹑ control device of wireless, data processing equipment；
The strength test device includes upper guard board, and the driving device being mounted on above the upper guard board passes through ball wire
The pedestal in the strength test device bottom is arranged in the top board that thick stick is connect with the driving device, is mounted on the pedestal
On lower platen, and be used to support two of the upper guard board and the pedestal mounted on the strength test device both sides and hold
Weight bar；
The control device of wireless includes emission part and receiving part, and the emission part includes control unit, signal projector,
The receiving part includes the signal receiver being mounted in the driving device；
The data processing equipment includes A/D converter and display screen, the A/D converter by signal wire respectively with institute
State display screen and strength test device connection.
As a kind of preferred technical solution of the utility model, the upper table of the lower surface of the top board and the lower platen
Face is both provided with the card slot positioned for sample, and the central part of the card slot is mounted on pressure sensor.
As a kind of preferred technical solution of the utility model, the pressure sensor is turned by signal wire and the A/D
Parallel operation connects.
As a kind of preferred technical solution of the utility model, the driving device bottom is additionally provided with handwheel, is used for hand
The lifting of dynamic control ball-screw.
As a kind of preferred technical solution of the utility model, it is additionally provided at the position that the bearing bar is installed with upper guard board
Screw thread, and be fixed by upper and lower two nuts.
As a kind of preferred technical solution of the utility model, the driving device includes servo motor and electronic switch,
The electronic switch is connect with the signal receiver, is used for the start and stop and positive and negative rotation of control servomotor.
Compared with prior art, the utility model has the beneficial effects that：The utility model is controlled by control device of wireless
The start and stop and positive and negative rotation of driving device, indirectly control the work of entire strength test device, and overall structure is simple, but function
Property is strong, disclosure satisfy that actual various demands.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
In figure：100- strength test devices；200- control device of wireless；300- data processing equipments；101- upper guard boards；
102- driving devices；103- ball-screws；104- top boards；105- pedestals；106- lower platens；107- bearing bars；108- card slots；
109- pressure sensors；110- handwheels；111- nuts；112- screw threads；113- electronic switches；201- control units；202- signals
Transmitter；203- signal receivers；301-A/D converters；302- display screens；303- signal wires.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment：
As shown in Figure 1, the utility model provides a kind of measurement device of soil body unconfined compressive strength, including intensity examination
Experiment device 100, control device of wireless 200, data processing equipment 300；Strength test device 100 includes upper guard board 101, is mounted on
The driving device 102 of 101 top of upper guard board, the top board 104 being connect with driving device 102 by ball-screw 103, setting exist
The pedestal 105 of 100 bottom of strength test device is installed lower platen 106 on the pedestal 105, and is filled mounted on strength test
Set two bearing bars 107 that 100 both sides are used to support upper guard board 101 and pedestal 105；Control device of wireless 200 includes emission part
And receiving part, emission part include control unit 201, signal projector 202, receiving part includes the signal of installation on the drive means
Receiver 203；Data processing equipment 300 includes A/D converter and display screen 302, and A/D converter is distinguished by signal wire 303
It is connect with display screen 302 and strength test device 100.
The lower surface of top board 104 and the upper surface of lower platen 106 are both provided with the card slot 108 positioned for sample, and
The central part of card slot 108 is mounted on pressure sensor 109.Pressure sensor 109 passes through signal wire 303 and A/D converter
Connection.102 bottom of driving device is additionally provided with handwheel 110, the lifting for manually controlling ball-screw 103.Bearing bar 107 with
It is additionally provided with screw thread 112 at the position that upper guard board 101 is installed, and is fixed by upper and lower two nuts 111.Driving device 102
Including servo motor and electronic switch 113, electronic switch 113 is connect with signal receiver 203, for opening for control servomotor
Stop and positive and negative rotation.
When specific works, test specimen is placed on the locating groove 108 of lower platen 106, rotates handwheel 110 by top board
104 lower so that the card slot 108 of top board 104 navigates to test piece upper part, can be at this time if test specimen is larger or smaller
By adjusting the nut 111 at two bearing bars 107, upper guard board 101 is suitably turned up or is turned down, to ensure test specimen pressure
Tightly.Then start the pressure switches of control device of wireless 200, control unit 201 is by enabling signal via signal projector 202
The signal receiver 203 being sent in driving device 102, signal receiver 203 start electricity after receiving enabling signal
Sub switch 113, the then start-up operation of driving device 102 drive the 103 downward precession of ball-screw being interspersed in nut 111 to make
Industry so that top board 104 compresses test specimen.At the same time, test specimen touches pressure sensor 109, and pressure sensor 109 will be examined
The pressure data signal measured passes to A/D converter through signal wire 303, and A/D converter converts the signal received
Processing, then the data result of processing is sent to display screen 302 through signal wire 303, and the pressure that display screen 302 then bears test specimen
Force value is shown in the form of number and chart, reaches real-time display and the monitoring of pressure value born to test specimen.It is to be tested
At the end of, start the rising switch of control device of wireless 200, test specimen is discharged, finally takes test specimen by the control rising of top board 104
It is lower to complete all experiments.
The utility model is mainly characterized by, and the utility model controls the driving device 102 by control device of wireless 200
Start and stop and positive and negative rotation, the direct manipulation strength experimental rig 100 of operating personnel is avoided, by operating personnel from operating process
It frees, avoids when accident occurs for compression test process to being injured caused by testing crew, and overall structure is simple,
But functional disclosure satisfy that actual various demands.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (6)
1. a kind of measurement device of soil body unconfined compressive strength, it is characterised in that：Zhuan Zhi ﹑ wireless control dress is tested including Qiang degree Shi
It sets, data processing equipment；
The strength test device includes upper guard board, be mounted on the upper guard board above driving device, by ball-screw with
The top board of the driving device connection, is arranged the pedestal in the strength test device bottom, installs on the base
Lower platen, and it is used to support mounted on the strength test device both sides two load-bearing of the upper guard board and the pedestal
Bar；
The control device of wireless includes emission part and receiving part, and the emission part includes control unit, signal projector, described
Receiving part includes the signal receiver being mounted in the driving device；
The data processing equipment includes A/D converter and display screen, and the A/D converter is shown with described respectively by signal wire
Display screen and strength test device connection.
2. the measurement device of soil body unconfined compressive strength according to claim 1, it is characterised in that：The top board
Lower surface and the upper surface of the lower platen are both provided with the card slot positioned for sample, and the central part of the card slot is pacified
Equipped with pressure sensor.
3. the measurement device of soil body unconfined compressive strength according to claim 2, it is characterised in that：The pressure sensing
Device is connect by signal wire with the A/D converter.
4. the measurement device of soil body unconfined compressive strength according to claim 1, it is characterised in that：The driving device
Bottom is additionally provided with handwheel, the lifting for manually controlling ball-screw.
5. the measurement device of soil body unconfined compressive strength according to claim 1, it is characterised in that：The bearing bar with
It is additionally provided with screw thread at the position of upper guard board installation, and is fixed by upper and lower two nuts.
6. the measurement device of soil body unconfined compressive strength according to claim 1, it is characterised in that：The driving device
Including servo motor and electronic switch, the electronic switch is connect with the signal receiver, for opening for control servomotor
Stop and positive and negative rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820606051.2U CN208060291U (en) | 2018-04-26 | 2018-04-26 | A kind of measurement device of soil body unconfined compressive strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820606051.2U CN208060291U (en) | 2018-04-26 | 2018-04-26 | A kind of measurement device of soil body unconfined compressive strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208060291U true CN208060291U (en) | 2018-11-06 |
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ID=63983758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820606051.2U Active CN208060291U (en) | 2018-04-26 | 2018-04-26 | A kind of measurement device of soil body unconfined compressive strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208060291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736664A (en) * | 2019-11-06 | 2020-01-31 | 中南大学 | Unconfined compressive strength test sample positioning system |
-
2018
- 2018-04-26 CN CN201820606051.2U patent/CN208060291U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736664A (en) * | 2019-11-06 | 2020-01-31 | 中南大学 | Unconfined compressive strength test sample positioning system |
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