CN206505073U - It is a kind of to be used for supporting roadway surrounding rock and the similar materials experimental provision of deformation - Google Patents
It is a kind of to be used for supporting roadway surrounding rock and the similar materials experimental provision of deformation Download PDFInfo
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- CN206505073U CN206505073U CN201720199180.XU CN201720199180U CN206505073U CN 206505073 U CN206505073 U CN 206505073U CN 201720199180 U CN201720199180 U CN 201720199180U CN 206505073 U CN206505073 U CN 206505073U
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- hydraulic
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- deformation
- similar materials
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Abstract
The utility model provides a kind of similar materials experimental provision for roadway support and deformation, it is characterized in that：Including similar material simulation experiment equipment, hydraulic loading device, single-chip data acquisition terminal and host computer；Described similar material simulation experiment equipment includes support, two steel plates and hydraulic jack；Described support is provided with side plate and bottom plate, and side plate is set perpendicular to bottom plate, and a steel plate is oppositely arranged with bottom plate, rack-mount by multiple hydraulic jacks, and another steel plate is oppositely arranged with side plate, rack-mount by multiple hydraulic jacks；Hydraulic jack is connected with hydraulic loading device respectively；Support is provided with strain gauge, and tunnel to be measured is provided with displacement transducer, and strain gauge and displacement transducer are connected with single-chip data acquisition terminal respectively.The utility model is simple in construction, easy to operate, and cost is low；The utility model automaticity is high, reduces human error, and measurement accuracy is high.
Description
Technical field
The utility model is related to a kind of similar materials experimental facilities, is used for deformation of the surrounding rock in tunnel more particularly, to one kind
Similar material simulation experiment device.
Background technology
At present, as mining engineering is gradually carried out to deep, the supporting of research deep laneway surrounding rock related problem and project
Research work more need to be carried out by means of laboratory.In addition to numerical simulation software, widely used is analog material mould
Draft experiment.By the analog simulation to correlative study contents such as rock stratum, lane (tunnel) roads, relevant technical indicator and parameter is drawn,
So as to provide scientific basis to the design and producing in above field practice.
But the equivalent material simulating equipment mostly volume of current use for laboratory is larger, relatively heavy, this large-scale similar material
Expect analog machine waste of resource, manufacture and take time and effort.In addition, for a long time, the country is on the similar of colliery Mining subsidence
Material simulation is tested, and vertical stressing conditions can only be simulated mostly, it is impossible to consider that analog material test specimen in the horizontal direction may be by
The extruding force or drawing tension arrived, namely ignore effect of the lateral stress to colliery Mining subsidence.And a large amount of field datas show,
Rockmass and surface subsidence caused by exploitation is the comprehensive effect of overlying strata weight stress and side direction horizontal stress synergy.Moreover,
Original equivalent material simulating testing and control is mostly using being accomplished manually, trivial operations, and automaticity is low and easy error, influences
The measurement accuracy of model.
The content of the invention
In order to solve the above-mentioned technical problem, the utility model provide one kind can automation mechanized operation, measurement data is read automatically
Be used for roadway support with deformation similar material simulation experiment device, it has error rate low, the high advantage of measurement accuracy.
The technical solution adopted in the utility model is：A kind of similar materials experiment for roadway support and deformation is filled
Put, including similar material simulation experiment equipment, hydraulic loading device, single-chip data acquisition terminal and host computer；Described phase
Include support, two steel plates and hydraulic jack like material simulation experimental facilities；Described support is provided with side plate and bottom plate, and side plate hangs down
Straight to be set in bottom plate, a steel plate is oppositely arranged with bottom plate, rack-mount by multiple hydraulic jacks, another steel plate and side plate
It is oppositely arranged, it is rack-mount by multiple hydraulic jacks；Hydraulic jack is connected with hydraulic loading device respectively；Set on support
Have a strain gauge, tunnel to be measured is provided with displacement transducer, strain gauge and displacement transducer respectively with single-chip data
Acquisition terminal is connected.
Above-mentioned is used in the similar materials experimental provision of roadway support and deformation, in addition to host computer, single-chip microcomputer
Data collection station is connected with host computer.
Above-mentioned is used in the similar materials experimental provision of roadway support and deformation, described host computer and single-chip microcomputer
Pass through RS485 communications between data collection station.
Above-mentioned is used in the similar materials experimental provision of roadway support and deformation, and the hydraulic loading device includes
Fuel tank, hydraulic pump and multiple reversal valves；The oil inlet of described hydraulic pump is connected with fuel tank, oil-out respectively with multiple reversal valves
Fuel feed hole connection；The outlet of hydraulic pump is linked back fuel tank by pipeline, and the pipeline is provided with overflow valve；Described multiple reversal valves
Rod chamber of first oil outlet respectively with multiple hydraulic jacks connect, the second oil outlet of multiple reversal valves respectively with multiple liquid
The rodless cavity connection of compressing cylinder, the spill port of multiple reversal valves is linked back fuel tank.
Compared with prior art, the system has the advantages that：
1st, the utility model is simple in construction, easy to operate, and cost is low, equivalent material simulating can not only be completed well real
Test, moreover it is possible to save cost.
2nd, the utility model automaticity is high, reduces human error, and measurement accuracy is high.
3rd, the utility model is provided with horizontal loading apparatus, can apply extruding force in the horizontal direction to analog material test specimen
Or drawing tension, it may be considered that effect of the lateral stress to colliery Mining subsidence.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in figure 1, the utility model includes similar material simulation experiment equipment 1, hydraulic stress loading device 2, monolithic
Machine data collection station 3 and host computer 4；Described similar material simulation experiment equipment includes support 16, two steel plates 10 and hydraulic pressure
Oil cylinder 11；Described support 16 is provided with side plate 15 and bottom plate 7, and bottom plate 7 is horizontally disposed with, and side plate 15 is vertical close to the edge of bottom plate
Set.One steel plate is oppositely arranged with bottom plate, is arranged on by multiple hydraulic jacks on support 16, another steel plate is relative with side plate to be set
Put, be arranged on by multiple hydraulic jacks on support 16.Hydraulic jack is connected with hydraulic loading device respectively；Support is provided with should
Force snesor, tunnel to be measured is provided with displacement transducer, strain gauge and displacement transducer respectively with single-chip data acquisition
Terminal is connected.
The hydraulic loading device 2 includes fuel tank 27, hydraulic pump 22 and multiple reversal valves 24；Described hydraulic pump 22 enters
Hydraulic fluid port is connected with fuel tank 27, and fuel feed hole of the oil-out respectively with multiple reversal valves 24 is connected.The oil-out of hydraulic pump 22 passes through pipe
Road is linked back fuel tank 27, and the pipeline is provided with overflow valve 26.First oil outlet of described multiple reversal valves 24 respectively with multiple liquid
The rod chamber connection of compressing cylinder 11, the second oil outlet of multiple reversal valves 24 connects with the rodless cavity of multiple hydraulic jacks 11 respectively
Logical, the spill ports of multiple reversal valves 24 is linked back fuel tank 27.
Support 16 is provided with strain gauge 13, and tunnel to be measured is provided with displacement transducer 12, strain gauge 13 and position
Displacement sensor 12 is connected with single-chip data acquisition terminal 3 respectively.Single-chip data acquisition terminal 3 is connected with host computer 4, monolithic
Transmitted between machine data collection station 3 and host computer 4 by RS485 communication terminals 5.
Operation principle of the present utility model is as follows：Ready-made similar materials 14 are arranged to the outside in tunnel 9 to be measured,
Similar materials 14 are put on bottom plate 7 and are close to the side plate 15 in left side, after then the setting value of host computer 4 is finished, and open
Hydraulic pump 22, by controlling reversal valve 24, hydraulic jack obtains loading force, and analog material 14 will be by horizontally and vertically stress
Effect, now displacement transducer 12 and strain gauge 13 constantly read data, pass through the number of single-chip data acquisition terminal 3
Transmitted according to processing via RS485 communicating terminals 5 to host computer progress data and be stored in display, when stress reaches the size that should be determined
When, hydraulic pump 22 is closed, makes its stress constant, the change in displacement situation of a period of time is recorded, experiment is completed.
Claims (4)
1. a kind of similar materials experimental provision for roadway support and deformation, it is characterized in that：Including equivalent material simulating
Experimental facilities, hydraulic loading device, single-chip data acquisition terminal and host computer；Described similar material simulation experiment equipment bag
Include support, two steel plates and hydraulic jack；Described support is provided with side plate and bottom plate, and side plate is set perpendicular to bottom plate, a steel plate
It is oppositely arranged with bottom plate, rack-mount by multiple hydraulic jacks, another steel plate is oppositely arranged with side plate, passes through multiple liquid
Compressing cylinder is rack-mount；Hydraulic jack is connected with hydraulic loading device respectively；Support is provided with strain gauge, lane to be measured
Road is provided with displacement transducer, and strain gauge and displacement transducer are connected with single-chip data acquisition terminal respectively.
2. the similar materials experimental provision according to claim 1 for roadway support and deformation, it is characterized in that：Also
Including host computer, single-chip data acquisition terminal is connected with host computer.
3. the similar materials experimental provision according to claim 2 for roadway support and deformation, it is characterized in that：Institute
Connected between the host computer and single-chip data acquisition terminal stated by RS485 communication terminals.
4. the similar materials experimental provision according to claim 1 for roadway support and deformation, it is characterized in that：Institute
Stating hydraulic loading device includes fuel tank, hydraulic pump and multiple reversal valves；The oil inlet of described hydraulic pump is connected with fuel tank, fuel-displaced
Fuel feed hole of the mouth respectively with multiple reversal valves is connected；The outlet of hydraulic pump is linked back fuel tank by pipeline, and the pipeline is provided with overflow
Valve；Rod chamber of first oil outlet of described multiple reversal valves respectively with multiple hydraulic jacks is connected, and the of multiple reversal valves
Rodless cavity of two oil outlets respectively with multiple hydraulic jacks is connected, and the spill ports of multiple reversal valves is linked back fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720199180.XU CN206505073U (en) | 2017-03-03 | 2017-03-03 | It is a kind of to be used for supporting roadway surrounding rock and the similar materials experimental provision of deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720199180.XU CN206505073U (en) | 2017-03-03 | 2017-03-03 | It is a kind of to be used for supporting roadway surrounding rock and the similar materials experimental provision of deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206505073U true CN206505073U (en) | 2017-09-19 |
Family
ID=59840562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720199180.XU Expired - Fee Related CN206505073U (en) | 2017-03-03 | 2017-03-03 | It is a kind of to be used for supporting roadway surrounding rock and the similar materials experimental provision of deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206505073U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727501A (en) * | 2017-10-31 | 2018-02-23 | 河南理工大学 | A kind of roadway surrounding rock compression carrying experimental method of the embedded anchoring of anchor pole |
| CN115792184A (en) * | 2022-12-01 | 2023-03-14 | 山东科技大学 | Wireless stress and displacement measurement system and method for similar material simulation experiment |
-
2017
- 2017-03-03 CN CN201720199180.XU patent/CN206505073U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727501A (en) * | 2017-10-31 | 2018-02-23 | 河南理工大学 | A kind of roadway surrounding rock compression carrying experimental method of the embedded anchoring of anchor pole |
| CN107727501B (en) * | 2017-10-31 | 2019-11-08 | 河南理工大学 | A kind of roadway surrounding rock compression carrying experimental method of the embedded anchoring of anchor pole |
| CN115792184A (en) * | 2022-12-01 | 2023-03-14 | 山东科技大学 | Wireless stress and displacement measurement system and method for similar material simulation experiment |
| CN115792184B (en) * | 2022-12-01 | 2024-05-24 | 山东科技大学 | Wireless stress and displacement measurement system and method for similar material simulation experiment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20200303 |