CN206329335U - A kind of testing equipment of rational evaluation rock mass TBM constructions suitability - Google Patents
A kind of testing equipment of rational evaluation rock mass TBM constructions suitability Download PDFInfo
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- CN206329335U CN206329335U CN201621362565.5U CN201621362565U CN206329335U CN 206329335 U CN206329335 U CN 206329335U CN 201621362565 U CN201621362565 U CN 201621362565U CN 206329335 U CN206329335 U CN 206329335U
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- rock mass
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- drilling rod
- tbm
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Abstract
A kind of testing equipment of rational evaluation rock mass TBM constructions suitability, including base, base is provided with grinding cushion cap, and grinding cushion cap side is provided with column, and column top is provided with body；Body side is provided with the top of motor, the body provided with the transmission mechanism with the motor connection；One end that the body is located above the grinding cushion cap is equipped with vertical drilling rod, and the drilling rod can be moved up and down in the body；The drilling rod bottom is provided with drilling attachment, and the drilling attachment is fixed with grinding drilling tool；It is connected, can be rotated under motor drive with the transmission mechanism at the top of the drilling rod；Being set up above the body has lower pressure rack, and this, which pushes erection, press rods, and the press rods can apply fixed downward pressure to the drilling rod of lower section.The utility model is simple to operate, can synthetically evaluate rock drillability, and the design of determination and cutterhead for the TBM construction parameters in Practical Project provides important basis and foundation, it is ensured that the reliability and security of the tunnel construction in water diversion project.
Description
Technical field
The utility model is related to Geotechnical Engineering equipment technical field, and particularly a kind of rational evaluation rock mass TBM constructions are suitable
The testing equipment of property.
Background technology
TBM (Tunnel Boring Machine) is rock tunnel(ling) machine, is excavated using rotating tool, while broken hole
Interior country rock and driving, form a kind of new, advanced constructing tunnel machine of whole tunnel cross-section.At present, with China's water resource
Allocate increasing with high efficiency project, the construction of diversion tunnel gradually instead of conventional drilling and blasting method by TBM construction methods,
But in current TBM constructions, the determination of TBM tunneling construction parameters and the design parameter of cutterhead, these important constructions
Parameter is mainly designed to based on carrying out comprehensive determination in terms of rock mass mechanics characteristic, rock mass structure and crustal stress.But
Rock mass structure mainly reflects sillar combination in rock mass, and what rock mass strength uniaxial compressive, tensile strength parameter mainly reflected is
The intensity of rock block, reflects the intensity combined between mineral indirectly, simultaneously little with the relation of mineral in itself.But in reality
TBM construction in, the parameter of TBM tunneling constructions and the abrasion of cutterhead etc. except with rock mass mechanics characteristic, rock mass structure and
Outside the factor of the several aspects of crustal stress is relevant, also there is quartz in very big relation, such as rock mass to contain with the mineral composition in rock
Amount number, the cutterhead design parameter that largely may have influence in TBM heading equipments, construction propelling pressure,
Cutter head torque etc..
But there is presently no boring that the TBM that a kind of test method can compare a kind of rock of objective appraisal constructs
Property, can only be by the TBM construction methods of the simple evaluation of test result rock mass such as rock uniaxiality strength, Tensile Strength of Rock
Adaptedness.It would therefore be highly desirable to develop a kind of new rock mass drillability, that is, rock mass TBM constructs the experiment of suitability
Equipment.
Utility model content
The purpose of this utility model is to provide a kind of testing equipment of rational evaluation rock mass TBM constructions suitability, and it is operated
Simply, the drillability of a certain rocks can be synthetically evaluated, is determination and the cutterhead of TBM construction parameters in Practical Project
Design important basis and foundation are provided, it is ensured that the reliability and security of the tunnel construction in water diversion project.
To achieve the above object, the utility model takes following technical scheme：
A kind of testing equipment of rational evaluation rock mass TBM constructions suitability, it includes base, and the base is held provided with grinding
Platform, the grinding cushion cap side, which is provided with the top of column, the column, is provided with body；Body side is provided with the top of motor, the body and set
There is the transmission mechanism with the motor connection；One end that the body is located above the grinding cushion cap is equipped with vertical drilling rod, the brill
Bar can be moved up and down in the body；The drilling rod bottom is provided with drilling attachment, and the drilling attachment is fixed with grinding drilling tool；The brill
It is connected, can be rotated under motor drive with the transmission mechanism at the top of bar；Being set up above the body has lower pressure rack, and this pushes erection
There are press rods, the press rods can apply fixed downward pressure to the drilling rod of lower section.
Further, the drilling attachment side is provided with speed probe, is connected with the revolution counter of the body side；Institute
Press rods bottom is stated provided with pressure sensor, is connected with the pressure gauge of the body side.
Further, the transmission mechanism is belt and belt pulley.
Further, the body is set on the column, and can be moved up and down along the column, and is filled by positioning
Put fixed position.
Further, the grinding cushion cap upper surface is provided with fixture.
The beneficial effects of the utility model are：The testing equipment of the utility model rational evaluation rock mass TBM construction suitabilities
And method, its is simple to operate, can synthetically evaluate the drillability of a certain rocks, is the TBM construction parameters in Practical Project
Determination and the design of cutterhead important basis and foundation are provided, it is ensured that the reliability of the tunnel construction in water diversion project with
Security.
Brief description of the drawings
Fig. 1 is the structural representation of the testing equipment of the utility model rational evaluation rock mass TBM construction suitabilities.
Embodiment
Coordinate accompanying drawing that the utility model is further detailed below, but and be not used to limit of the present utility model
Practical range.
As shown in figure 1, the utility model provides the testing equipment that a kind of rational evaluation rock mass TBM constructs suitability, it is wrapped
Base 1 is included, the base 1 is provided with grinding cushion cap 2, when carrying out rock abrasiveness test, using the fixture ground on cushion cap 2,
Rock mass 3 to be measured is tightly secured on grinding cushion cap.The side of grinding cushion cap 2 is provided with column 4, and the top of column 4 is provided with body
5.The drilling power of whole equipment comes from motor 6, located at the side of body 5, and the top of body 5 is provided with to be connected with the motor 6
Transmission mechanism 7.One end that the body 5 is located at the top of grinding cushion cap 2 is equipped with vertical drilling rod 8, and the drilling rod 8 can be in the machine
Moved up and down in body 5.The bottom of drilling rod 8 is provided with drilling attachment 9, and the drilling attachment 9 is fixed with the grinding drilling tool of standard.The brill
The top of bar 8 is connected with the transmission mechanism 7 (such as belt and belt pulley), can be rotated under the motor 6 drive.The top of body 5
Erection has lower pressure rack 10, and the lower pressure rack 10 is provided with press rods 11, and the press rods 11 can apply the downward of fixation to the drilling rod 8 of lower section
Pressure, to set the grinding pressure of drilling tool.The side of drilling attachment 9 is provided with speed probe 12, the rotating speed with the side of body 5
Table 13 is connected.The rotating speed of drilling attachment 9 carries out actual speed monitoring using speed probe 12, and tachometer value is included in revolution counter
On 13.The bottom of press rods 11 is provided with pressure sensor 14, is connected with the pressure gauge 15 of the side of body 5.Grind grinding for drilling tool
Mill pressure is monitored by pressure sensor 14, and grinding pressure monitor value is shown on pressure gauge 15.
It is preferred that, the body 5 is set on the column 4, and can be moved up and down along the column 4, and solid by positioner
Positioning is put.
The utility model also provides a kind of experiment side for suitability of being constructed using above-mentioned testing equipment rational evaluation rock mass TBM
Method.When carrying out the grinding test of rock TBM construction adaptabilities, certain grinding pressure (P, unit is kN) is set and certain
Grinding drilling tool rotating speed (revolutions per second), grind depth (H, unit is mm) with rock in the regular hour and evaluate the TBM of the rock
The adaptability of construction, and provide important reference money to the design of cutters layout, cutter material and the cutter basil in TBM constructions
Material.Specifically, this method comprises the following steps：
In the fixture that rock mass 3 to be measured is fixed on to grinding cushion cap 2, make rock mass 3 to be measured immovable；
The downward pressure and the rotating speed of drilling attachment 9 of fixed press rods 11 are set, motor 6 is opened；
Drive drilling rod 8 to rotate by transmission mechanism 7 and grind rock mass 3 to be measured downwards by grinding drilling tool；
Grind after the set time, measurement grinding depth.
It is preferred that, before motor is opened, vertical height of the regulation body 5 on column 4, and the position that is fixed by positioning device
Put, the lower surface of the grinding drilling tool is touched with the upper surface rigid connection of the rock mass 3 to be measured.
The utility model has the advantage of：
(1) grinding test of different rocks is carried out using the utility model equipment, with the mineralogical composition of rock, hardness, anti-
The physics classroom teaching such as Compressive Strength, tensile strength, elastic modelling quantity parameter carries out correlation analysis, so as to set up grinding for different rocks
Grind the categorizing system of drillability；
(2) using cutterhead design parameter in the domestic and international TBM constructions being collected into, and the grinding obtained with actual test can
Boring property categorizing system carries out analogy analysis, can propose the related advisory that TBM constructs in Practical Project, be Engineering Service；
(3) the utility model utilizes relatively simple equipment and test method, carries out the survey of rock mass TBM construction adaptabilities
Examination, test result can provide important reference and technical support data for engineering design；
(4) the utility model is simple to operate, and test repeatability is stronger, and the grinding drilling that can reasonably react rock is special
Property.
It is pointed out that above-mentioned embodiment is only possible embodiment, it is new in order to which this practicality is expressly understood
The principle of type and propose.Can be in the case of without departing substantially from the utility model principle and scope to above-mentioned reality of the present utility model
The mode of applying carries out many and changed and modifications.All such modifications and variations are included in the scope of the utility model announcement, and
And protected by appended claims.
Claims (5)
- The testing equipment of suitability 1. a kind of rational evaluation rock mass TBM constructs, it is characterised in that it is included on base, the base Provided with grinding cushion cap, the grinding cushion cap side, which is provided with the top of column, the column, is provided with body；Body side is provided with motor, should Provided with the transmission mechanism with the motor connection at the top of body；One end that the body is located above the grinding cushion cap is equipped with vertical Drilling rod, the drilling rod can be moved up and down in the body；The drilling rod bottom is provided with drilling attachment, and the drilling attachment is fixed with grinding Drilling tool；It is connected, can be rotated under motor drive with the transmission mechanism at the top of the drilling rod；Being set up above the body has lower pressure rack, This, which pushes erection, press rods, and the press rods can apply fixed downward pressure to the drilling rod of lower section.
- The testing equipment of suitability 2. rational evaluation rock mass TBM according to claim 1 constructs, it is characterised in that：It is described Drilling attachment side is provided with speed probe, is connected with the revolution counter of the body side；The press rods bottom is provided with pressure Sensor, is connected with the pressure gauge of the body side.
- The testing equipment of suitability 3. rational evaluation rock mass TBM according to claim 1 or 2 constructs, it is characterised in that：Institute Transmission mechanism is stated for belt and belt pulley.
- The testing equipment of suitability 4. rational evaluation rock mass TBM according to claim 3 constructs, it is characterised in that：It is described Body is set on the column, and can be moved up and down along the column, and the position that is fixed by positioning device.
- The testing equipment of suitability 5. rational evaluation rock mass TBM according to claim 3 constructs, it is characterised in that：It is described Grind cushion cap upper surface and be provided with fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621362565.5U CN206329335U (en) | 2016-12-13 | 2016-12-13 | A kind of testing equipment of rational evaluation rock mass TBM constructions suitability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621362565.5U CN206329335U (en) | 2016-12-13 | 2016-12-13 | A kind of testing equipment of rational evaluation rock mass TBM constructions suitability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206329335U true CN206329335U (en) | 2017-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621362565.5U Active CN206329335U (en) | 2016-12-13 | 2016-12-13 | A kind of testing equipment of rational evaluation rock mass TBM constructions suitability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206329335U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593426A (en) * | 2016-12-13 | 2017-04-26 | 中国水利水电科学研究院 | Test device and method for reasonably evaluating TBM construction suitability of rock mass |
| CN110646307A (en) * | 2018-06-26 | 2020-01-03 | 中国石油化工股份有限公司 | Rock abrasiveness determination test device |
-
2016
- 2016-12-13 CN CN201621362565.5U patent/CN206329335U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593426A (en) * | 2016-12-13 | 2017-04-26 | 中国水利水电科学研究院 | Test device and method for reasonably evaluating TBM construction suitability of rock mass |
| CN110646307A (en) * | 2018-06-26 | 2020-01-03 | 中国石油化工股份有限公司 | Rock abrasiveness determination test device |
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