CN206095556U - A shield machine cutting tool simulation test equipment that weares and teares for going up soft hard ground layer down - Google Patents
A shield machine cutting tool simulation test equipment that weares and teares for going up soft hard ground layer down Download PDFInfo
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- CN206095556U CN206095556U CN201621172541.3U CN201621172541U CN206095556U CN 206095556 U CN206095556 U CN 206095556U CN 201621172541 U CN201621172541 U CN 201621172541U CN 206095556 U CN206095556 U CN 206095556U
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- cutter
- simulation
- hard ground
- shield
- shield machine
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Abstract
The utility model relates to a shield machine cutting tool simulation test equipment that weares and teares for going up soft hard ground layer down, including being used for simulating the simulation soil body of soft hard ground layer on -site investigation soil body state down and being used for simulating the shield to construct quick -witted cutter portion rotating and propulsive shield cutterhead analogue means, the incasement in model test is filled to the simulation soil body, shield cutterhead analogue means's output is equipped with the simulation blade disc and simulation cutter that adopts true blade disc and cutter scaling down, and the simulation blade disc stretches into the model test incasement with the simulation cutter and orientation simulation soil body direction is laid. The adoption is in the proof box, and the soil body of two kinds of different intensity is filled to operating mode when actually tunneling according to the scene, truly simulates soft hard ground layer down to at propulsive force, rotational speed, moment of torsion, tunnelling length, effectual tentation data is gathered to aspects such as cutter grinder damage degree, and the cutter that gives actual construction improves and provides data support.
Description
Technical field
The utility model is related to a kind of shield machine detection technique field, more particularly to a kind of shield for upper-soft lower-hard ground
Structure rounding machine cutter Wearing Simulated Test equipment.
Background technology
The abrasion inspection of shield machine cutter at this stage is mainly using the method for shutting down the inspection that opens a position.The master of this detection method
The defect is wanted to be：Delay the fluency of construction and the duration of construction, improve dangerous in construction cost, and the checking process that opens a position
It is larger, easily produce potential safety hazard.
The appearance of the hard formation of medium-soft half so that the complication of shield machine construction operating mode, causes metro shield driving at this stage
Construction technology develops into bottleneck.How shield cutter abrasion condition in this soft or hard stratum is preferably judged, more accurately
Estimate that the service life that cutterhead is fixed a cutting tool has become a new research side to reach shortening construction period, reduce construction cost in ground
To.
Utility model content
For the defect that prior art is present, the purpose of this utility model is to provide a kind of shield for upper-soft lower-hard ground
Structure rounding machine cutter Wearing Simulated Test equipment, to solve medium-soft semihard formation conditions under, the abrasion inspection side of existing shield machine cutter
Method, delays the fluency of construction and the duration of construction, improve in construction cost, and the checking process that opens a position it is dangerous larger,
Easily produce the technical problem of potential safety hazard.
In order to realize above-mentioned technical purpose, the technical scheme of the utility model patent is：One kind is used for upper-soft lower-hard ground
Shield machine cutter abrasion simulated test facility, including for simulate upper-soft lower-hard ground site inspection state of soil simulation soil
The shield cutter analogue means that body and the tool parts for simulating shield machine rotate and advance, the simulation soil body is filled in model
In chamber；The output end of shield cutter analogue means be provided with using true cutterhead and cutter scaled down simulation cutterhead and
Simulation cutter, simulation cutterhead and simulation cutter extend in model test box and lay towards simulation soil body direction.
Further, simulate cutterhead and/or simulation cutter is provided with for recording and feeds back the biography of tool abrasion data
Sensor.
Further, shield cutter analogue means includes the synchronous direct current generator and use for control simulation cutterhead rotating speed
In the power transmission shaft of simulation propulsive force；Synchronous direct current motor connection simultaneously drives drive axis.
Further, power transmission shaft is using screw mandrel or threaded rod.
Further, model test box includes casing and cover plate；Shield cutter analogue means is assemblied on cover plate.
Further, cover plate is rotatably connected on casing by tumbler；Outer wall of the closed end of cover plate along casing
Face bending is formed and is fastened on cabinet exterior face and for sealing model test box and making cover plate be fixed on the fastening structure on casing.
Further, simulating the soil body includes half of filling pan soil and half of filling weak soil, and one side of something filling pan soil is filled out with one side of something
Fill the vertical middle section that weak soil interface is model test box.
Advantageous Effects of the present utility model are：
The utility model is used for the shield machine cutter abrasion simulated test facility of upper-soft lower-hard ground, using in chamber
It is interior, according to operating mode during live actual driving, the soil body of two kinds of varying strengths is filled, the ratio of both varying strength soil bodys can
To adjust, truly to simulate upper-soft lower-hard ground, so as in the side such as propulsive force, rotating speed, moment of torsion, Excavation Length, tool wear degree
Face gathers effective test data, and the improvement of the cutter life and cutter that give practice of construction provides data and supports.Pass through
The simulated test in laboratory, judges wear condition of the cutter of cutter head of shield machine in soft or hard stratum, substantially estimates that cutter exists
Service life in the stratum, to avoid in work progress, blindly, repeats the inspection that opens a position, and improves construction speed with efficiency, drop
Low construction cost.In the simulation test procedure in laboratory, the mode of appearance and material that can monitor cutter changes to shield
The speed of driving and the impact of tool wear situation, are that cutterhead and cutter improvement provide strong data supporting.
Below in conjunction with the accompanying drawings the utility model is described in further detail.
Description of the drawings
Fig. 1 is the shield machine cutter abrasion simulated test facility for upper-soft lower-hard ground of the utility model embodiment
One of structural representation；
Fig. 2 is the shield machine cutter abrasion simulated test facility for upper-soft lower-hard ground of the utility model embodiment
The two of structural representation.
Marginal data：
Wherein, 1, the simulation soil body；101st, half of filling pan soil；102nd, half of filling weak soil；2nd, shield cutter analogue means；
201st, cutterhead is simulated；202nd, cutter is simulated；203rd, synchronous direct current generator；204th, power transmission shaft；3rd, model test box；301st, casing；
302nd, cover plate；4th, tumbler；5th, fastening structure.
Specific embodiment
The utility model technology contents are further illustrated below, but not to the limit of the utility model flesh and blood
System.
Fig. 1 is the shield machine cutter abrasion simulated test facility for upper-soft lower-hard ground of the utility model embodiment
One of structural representation；Fig. 2 is the shield machine cutter abrasion simulation examination for upper-soft lower-hard ground of the utility model embodiment
Test equipment structural representation two.
As depicted in figs. 1 and 2, the shield machine cutter abrasion simulated test for upper-soft lower-hard ground of the present embodiment sets
It is standby, including for simulating the simulation soil body 1 and knife for simulating shield machine of upper-soft lower-hard ground site inspection state of soil
The shield cutter analogue means 2 that tool part rotates and advances, the simulation soil body 1 is filled in model test box 3；Shield cutter is simulated
The output end of device 2 is provided with using the simulation cutterhead 201 and simulation cutter 202 of true cutterhead and cutter scaled down, simulation
Cutterhead 201 and simulation cutter 202 extend in model test box 3 and lay towards the simulation soil body 1 direction.The utility model is used for
The shield machine cutter abrasion simulated test facility of upper-soft lower-hard ground, adopts in chamber, when being tunneled according to live reality
Operating mode, fills the soil body of two kinds of varying strengths, and the ratio of both varying strength soil bodys can adjust, with truly simulate it is upper it is soft under
Hard formation, so as to gather effective test data at aspects such as propulsive force, rotating speed, moment of torsion, Excavation Length, tool wear degree, gives
Give the cutter life of practice of construction and the improvement of cutter to provide data to support.By the simulated test in laboratory, judge
Wear condition of the cutter of cutter head of shield machine in soft or hard stratum, substantially estimates service life of the cutter in the stratum, to keep away
Exempt from work progress, blindly, repeat the inspection that opens a position, improve construction speed with efficiency, reduction construction cost.In the mould in laboratory
In intending process of the test, speed and tool wear situation of the mode of appearance and material change of cutter to shield driving can be monitored
Impact, be that the improvement of cutterhead and cutter provides strong data supporting.
As depicted in figs. 1 and 2, in the present embodiment, simulation cutterhead 201 and/or simulation cutter 202 are provided with for record simultaneously
The sensor of feedback tool abrasion data.
As depicted in figs. 1 and 2, in the present embodiment, shield cutter analogue means 2 is included for control 201 turns of cutterhead of simulation
The synchronous direct current generator 203 and the power transmission shaft 204 for simulating propulsive force of speed.Synchronous direct current generator 203 connects and drives biography
Moving axis 204 is rotated.
As depicted in figs. 1 and 2, in the present embodiment, power transmission shaft 204 is using screw mandrel or threaded rod.
As depicted in figs. 1 and 2, in the present embodiment, model test box 3 includes casing 301 and cover plate 302；Shield cutter mould
Intend device 2 to be assemblied on cover plate 302.
As depicted in figs. 1 and 2, in the present embodiment, cover plate 302 is rotatably connected on casing 301 by tumbler 4.
The closed end of cover plate 302 is formed along the outside wall surface bending of casing 301 and is fastened on the outside wall surface of casing 301 and for sealing model test
Case 3 and the fastening structure 5 for making cover plate 302 be fixed on casing 301.
As depicted in figs. 1 and 2, in the present embodiment, the simulation soil body 1 includes half of filling pan soil 101 and half of filling weak soil
102.One side of something filling pan soil 101 and the half of vertical middle section for filling the interface of weak soil 102 for model test box 3.
The shield machine cutter abrasion simulation experiment method for upper-soft lower-hard ground of the present embodiment, comprises the following steps：
The soil body sample of a, site inspection upper-soft lower-hard ground；B, employing and live upper-soft lower-hard ground identical simulate soil sample as examination
Test material；C, the cutterhead according to actual shield machine and cutter equal proportion make simulation cutterhead 201 and simulation cutter 202, and make mould
Intend cutter 202 towards the simulation soil body 1；D, set after constant propulsive force and rotating speed, obtain simulation cutterhead 201 driving to set into
The abrasion condition of time and cutter required for chi；E, draw propulsive force, rotating speed, footage drilled, tool abrasion and cutter
Relation between five variables of form.
In the present embodiment, in step b, by the simulation soil body 1 according to site inspection the ratio such as upper-soft lower-hard ground distribution situation
Example is filled in model test box 3.
In the present embodiment, in step d, by power transmission shaft 204 transmit perpendicular to simulation soil surface pressure to simulate perseverance
Fixed propulsive force；The constant rotation of power transmission shaft 204 is controlled with the rotating speed of analog constant by synchronous DC motor control.
During enforcement, according to the soil body sample of site inspection, adopt with live stratum identical soil sample as test material, will
These soil samples are filled in model test box according to the consistent ratio of live distribution situation, and pressure at right angle is transmitted by power transmission shaft,
Cutterhead and cutter are reduced the shield cutter simulation dress for making according to actual ratio by synchronous DC motor control for rotating speed control
Put.After setting constant propulsive force and rotating speed, the time that cutterhead driving is arrived required for corresponding drilling depth, and the abrasion feelings of cutter are checked
Condition.So as to draw the certain relation between five variables of form of propulsive force, rotating speed, footage drilled, tool abrasion and cutter.
By the simulated test in laboratory, abrasion shape of the cutter of cutter head of shield machine in soft or hard stratum is judged substantially
Condition, substantially estimates service life of the cutter in the stratum, to avoid in work progress, blindly, repeats the inspection that opens a position, and improves
Construction speed and efficiency, reduction construction cost.
In the simulation test procedure in laboratory, the mode of appearance and material that can monitor cutter changes to shield driving
Speed and tool wear situation impact, be that the improvement of cutterhead and cutter provides strong data supporting.
The utility model is adopted in chamber, according to operating mode during live actual driving, two kinds of varying strengths of filling
The soil body, so as to gather effective test data at aspects such as propulsive force, rotating speed, moment of torsion, Excavation Length, tool wear degree, gives
The cutter of practice of construction is improved and provides data support.
Preferred embodiment of the present utility model is the foregoing is only, protection domain of the present utility model is not thereby limited,
The equivalent structure transformation that every utilization the utility model description is made, or directly or indirectly it is used in other related skills
Art field, is included in the same manner in scope of patent protection of the present utility model.
Claims (7)
1. a kind of shield machine cutter abrasion simulated test facility for upper-soft lower-hard ground, it is characterised in that include for mould
Intend upper-soft lower-hard ground site inspection state of soil the simulation soil body (1) and for simulate shield machine tool parts rotate and
The shield cutter analogue means (2) of propulsion, the simulation soil body (1) is filled in model test box (3)；Shield cutter analogue means
(2) output end is provided with using the simulation cutterhead (201) and simulation cutter (202) of true cutterhead and cutter scaled down, mould
Intend cutterhead (201) and simulation cutter (202) extend in model test box (3) and lays towards the simulation soil body (1) direction.
2. the shield machine cutter abrasion simulated test facility for upper-soft lower-hard ground according to claim 1, its feature
It is that simulation cutterhead (201) and/or simulation cutter (202) are provided with for recording and feed back the sensing of tool abrasion data
Device.
3. the shield machine cutter abrasion simulated test facility for upper-soft lower-hard ground according to claim 1, its feature
Be, shield cutter analogue means (2) include for control simulation cutterhead (201) rotating speed synchronous direct current generator (203) and
For simulating the power transmission shaft (204) of propulsive force；Synchronous direct current generator (203) connects and drives power transmission shaft (204) to rotate.
4. the shield machine cutter abrasion simulated test facility for upper-soft lower-hard ground according to claim 3, its feature
It is that power transmission shaft (204) is using screw mandrel or threaded rod.
5. the shield machine cutter abrasion simulated test for upper-soft lower-hard ground according to any one of claim 1 to 4
Equipment, it is characterised in that model test box (3) includes casing (301) and cover plate (302)；Shield cutter analogue means (2) is assembled
On cover plate (302).
6. the shield machine cutter abrasion simulated test facility for upper-soft lower-hard ground according to claim 5, its feature
It is that cover plate (302) is rotatably connected on casing (301) by tumbler (4)；The closed end of cover plate (302) is along casing
(301) outside wall surface bending is formed and is fastened on casing (301) outside wall surface and for sealing model test box (3) and making cover plate
(302) fastening structure (5) being fixed on casing (301).
7. the shield machine cutter abrasion simulated test for upper-soft lower-hard ground according to any one of claim 1 to 4
Equipment, it is characterised in that the simulation soil body (1) includes half of filling pan soil (101) and half of filling weak soil (102), one side of something filling
Pan soil (101) and the vertical middle section that half of filling weak soil (102) interface is model test box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621172541.3U CN206095556U (en) | 2016-10-27 | 2016-10-27 | A shield machine cutting tool simulation test equipment that weares and teares for going up soft hard ground layer down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621172541.3U CN206095556U (en) | 2016-10-27 | 2016-10-27 | A shield machine cutting tool simulation test equipment that weares and teares for going up soft hard ground layer down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095556U true CN206095556U (en) | 2017-04-12 |
Family
ID=58486071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621172541.3U Expired - Fee Related CN206095556U (en) | 2016-10-27 | 2016-10-27 | A shield machine cutting tool simulation test equipment that weares and teares for going up soft hard ground layer down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206095556U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441751A (en) * | 2016-10-27 | 2017-02-22 | 中南大学 | Shield machine cutter wear simulation testing device and method for upper-soft lower-hard stratum |
| CN108417131A (en) * | 2018-03-13 | 2018-08-17 | 中铁隧道局集团有限公司 | A kind of balancing earth-pressure shielding machine identification of formation technical research experimental provision |
-
2016
- 2016-10-27 CN CN201621172541.3U patent/CN206095556U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441751A (en) * | 2016-10-27 | 2017-02-22 | 中南大学 | Shield machine cutter wear simulation testing device and method for upper-soft lower-hard stratum |
| CN108417131A (en) * | 2018-03-13 | 2018-08-17 | 中铁隧道局集团有限公司 | A kind of balancing earth-pressure shielding machine identification of formation technical research experimental provision |
| CN108417131B (en) * | 2018-03-13 | 2019-09-06 | 中铁隧道局集团有限公司 | A kind of balancing earth-pressure shielding machine identification of formation technical research experimental provision |
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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: 20170412 Termination date: 20201027 |