CN107796610A - Shield cutter vibrating excavation experimental bench - Google Patents
Shield cutter vibrating excavation experimental bench Download PDFInfo
- Publication number
- CN107796610A CN107796610A CN201710972424.8A CN201710972424A CN107796610A CN 107796610 A CN107796610 A CN 107796610A CN 201710972424 A CN201710972424 A CN 201710972424A CN 107796610 A CN107796610 A CN 107796610A
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- Prior art keywords
- native basin
- main shaft
- native
- basin
- reinforcement
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 20
- 241000968069 Asterolecaniidae Species 0.000 claims abstract description 20
- 230000002787 reinforcement Effects 0.000 claims description 45
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- 239000002689 soil Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 230000001141 propulsive effect Effects 0.000 abstract description 8
- 238000012360 testing method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000002474 experimental method Methods 0.000 abstract description 5
- 230000001133 acceleration Effects 0.000 abstract description 3
- 210000002683 foot Anatomy 0.000 description 13
- 210000003739 neck Anatomy 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 3
- 241000233855 Orchidaceae Species 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of shield cutter vibrating excavation experimental bench, including cutter head of shield machine, native basin, native basin fixing device, native basin push lifting device, main shaft external member and overall steelframe, main shaft external member is arranged on the overall steelframe, cutter head of shield machine is arranged on the bottom of the main shaft external member, native basin push lifting device and by native basin push lifting device the drive that native basin fixing device is arranged on below cutter head of shield machine is moved up and down, and the native basin push lifting device is arranged on the overall steelframe.The rotating speed of cutter head of shield machine and the fltting speed of native basin of the present invention is all that can be controlled in real time by motor, it is possible to achieve in non-shield driving experiment at the uniform velocity.The present invention obtains the change of moment of torsion and propulsive force by torque sensor and pit scale, on the one hand can test under effect of vibration, the change of cutterhead Moment and thrust, on the other hand dynamic characteristics of the cutter head of shield machine under velocity variations can also be tested, i.e. with speed, the change of acceleration, the change of its moment of torsion and propulsive force.
Description
Technical field
The present invention relates to the experimental facilities of vibrating excavation measure of merit, in particular, more particularly to a kind of shield cutter
Vibrating excavation experimental bench.
Background technology
The main function of Suporting structure is tunnel excavation, and the city and rural development for contemporary China can be made important
Contribution.In the numerous big city of contemporary population, vehicle, such as Beijing, Shanghai, Hangzhou, Guangzhou etc., the demand of subway is increasingly
Height, and the excavation of modern subway tunnel is all to use shield machine as heading equipment, the demand of the Suporting structure thus brought
More and more higher.And it is unbroken in the remote rural area of China, such as Guangxi, Sichuan, there mountain, it is just necessary that development is wanted in these areas
First traffic, either highway or high ferro are built well with the external world, when running into mountain and hindering, optimal pass-through mode is just
It is to build tunnel, this just needs advanced Suporting structure to realize.Research to shield technique is as next very people
Problem, but there are the shield testing equipment of oneself in domestic few mechanisms, it is domestic also to test shield knife without one at present
Disk experimental facilities of the cutting moment of torque and propulsive force under effect of vibration.
The content of the invention
It is an object of the invention to solve above-mentioned the deficiencies in the prior art, it is proposed that one kind can accurately test shield cutter
The shield cutter vibrating excavation experimental bench of propulsive force and moment of torsion is tunneled under shock effect.
The present invention is achieved through the following technical solutions above-mentioned purpose：A kind of shield cutter vibrating excavation experimental bench, including
Cutter head of shield machine, native basin, native basin fixing device, native basin push lifting device, main shaft external member and overall steelframe, the main shaft external member installation
On the overall steelframe, the cutter head of shield machine is arranged on the bottom of the main shaft external member, the native basin fixing device installation
Native basin push lifting device and by native basin push lifting device drive below cutter head of shield machine moves up and down, and the native basin raises dress
Put on the overall steelframe.
The overall steelframe is welded by shaped steel, and overall steel top of the trellis is provided with for placing high torque motor, moment of torsion
The steel platform of sensor and decelerator, high torque motor pass through torque sensor connection reducer, decelerator connection main shaft external member
Upper end, main shaft external member by main shaft support Interal fixation below the steel platform of overall steelframe, the overall steelframe bottom weldering
Steel sole plate is connected to, pit scale is arranged on the steel sole plate.
The main shaft external member includes main shaft, axle housing and spindle flange, is placed in the upper end connection steel platform of the main shaft
Decelerator, the lower end of main shaft are fixedly connected by spindle flange with cutter head of shield machine, and the axle housing is connected with main shaft by bearing,
The flange hole being connected with the main shaft support Interal fixation on overall steelframe is provided with the axle housing.
The cutter head of shield machine includes the cutterhead skeleton for the hexagon being welded by six blocks of steel plates, the cutterhead bone of hexagon
Skeleton reinforcement is provided with the middle part of frame, six summits of cutterhead skeleton are welded with six at the line at the center of skeleton reinforcement
Bar cutterhead reinforcement, wherein being provided with a radiant panel on three cutterhead reinforcements being spaced apart, set on each radiant panel
The cutting knife of six equidistantly distributeds is equipped with, the outer end of the other three cutterhead reinforcement is provided with three scrapers；The skeleton adds
The front of strengthening tendons is provided with a center cutter, and the back side of the skeleton reinforcement is also welded with six pieces as leg, described as being welded on leg
Cutterhead flange is connected to, cutterhead flange is fixedly connected with the spindle flange in the main shaft external member；
The native basin includes native basin bottom plate, four blocks of inner circumferential steel plates and four blocks of periphery steel plates, and four pieces of inner circumferential Interal fixations are in institute
State and the inner ring that native basin is used to hold the soil body style of cutting is formed on native basin bottom plate, four pieces of periphery Interal fixations are on the outside of inner ring
On native basin basin bottom and native basin is formed for holding the native outer ring considered to be worth doing dropped out in working angles；The bottom of the native basin bottom plate is set
There is bar shaped reinforcement, turn have the screwed hole affixed with native basin push lifting device on the bar shaped reinforcement；The both sides of the native basin are also
It is provided with neck；
The native basin push lifting device includes two spiral lifts, lift base and four universal wheels, the lift
Base bottom is provided with four universal wheels, and two spiral lifts are contour to be arranged on the lift base, the spiral
The top of lift is fixedly connected by elevator flange with the bar shaped reinforcement of native basin bottom part；
The native basin fixing device is consolidated including a pair of one side being made up of hanging feet, lower margin, rotating fixing rod and fixing bolt
Cover half block, a pair of unilateral stuck-modules are separately mounted on the overall steelframe of pit scale both sides, and the lower margin is fixed on overall steel
The lower end of frame, the hanging feet are fixed on the middle and upper part of overall steelframe, and the line of the lower margin and hanging feet is on a plumb line, institute
State rotating fixing rod to be hinged on the lower margin, the upper end of the rotating fixing rod is provided with fixing hole, sets on the hanging feet
There is mounting hole, native basin positioning is latter to be stuck on the neck of native basin both sides to rotating fixing rod by rotating closed, and is passed through
The upper end of rotating fixing rod is fixed together with hanging feet through the fixing bolt of fixing hole and mounting hole.
Further, the cutting knife is bolted on radiant panel, and the radiant panel is bolted on cutterhead
On reinforcement；The cutting knife is bolted on the end of cutterhead reinforcement.
Further, RS485 data acquisition module is connected with the pit scale, RS485 data module is with being used for
The calculating mechatronics of record will simultaneously be recorded in the data transfer of pit scale to computer.
Further, a pair of deep groove ball bearings being arranged in axle housing upper and lower ends face are passed through between the axle housing and main shaft
Connection.
Further, the bar shaped reinforcement is provided with arranged side by side a plurality of.
Further, a plurality of equally distributed triangle is additionally provided between radiant panel and the cutterhead reinforcement to strengthen
Muscle.
Further, two spiral lifts provide power by spiral lifting motor, and the spiral lifting motor is change
Frequency modulation speed motor.
Further, the high torque motor is frequency control motor.
The beneficial effects of the present invention are：
1st, the rotating speed of cutter head of shield machine and the fltting speed of native basin of the invention are all that can be controlled in real time by motor, can
Tested with realizing in non-shield driving at the uniform velocity.
2nd, the present invention obtains the change of moment of torsion and propulsive force by torque sensor and pit scale, on the one hand can test
Under effect of vibration, the change of cutterhead Moment and thrust, cutter head of shield machine on the other hand can also be tested under velocity variations
Dynamic characteristics, i.e., with speed, the change of acceleration, the change of its moment of torsion and propulsive force.
3rd, native basin lifting device is arranged on below native basin by the present invention, and native basin is lifted close to shield using native basin lifting device
Structure machine knife disk, using the complicated propulsive mechanism for reducing cutter head of shield machine, reduce the cost of equipment.
4th, the axle housing of main shaft is fixed on overall steelframe by the present invention by main shaft external member, prevents from moving in cutter head of shield machine
During main shaft play has an impact to the result of experiment in the horizontal direction, improve the stability of experiment and the standard of data
True property.
5th, the cutter of cutter head of shield machine of the invention include 18 cutting knife, one center cutter, three scraper, not only with shield
The actual conditions of structure machine are more compound, and can be considered to be worth doing by the soil of scraper scraper edges, avoid the generation that soil is considered to be worth doing to result of the test
Influence.
6th, for native basin of the invention using inner ring and the form of outer ring, inner ring holds soil body style, and outer ring is used to hold cutting
During the soil bits that drop out, make to be not in soil bits disorderly winged situation during experiment, simplify the clean-up process after experiment,
Avoid soil bits from splashing to have an impact the subsequent experimental of miscellaneous part.
7th, native basin push lifting device of the invention using two spiral lifts as lifting system, it is more preferable to improve native basin
The stability of lifting.
8th, the native basin fixture structure that the present invention uses is simple, can realize positioning or realize the level of native basin
Direction positions, while also plays the guide effect on vertical direction.
Brief description of the drawings
Fig. 1 is the shaft side figure of shield cutter vibrating excavation experimental bench of the present invention.
Fig. 2 is the front view of shield cutter vibrating excavation experimental bench of the present invention.
Fig. 3 is the axonometric drawing of cutter head of shield machine of the present invention.
Fig. 4 is the front view of cutter head of shield machine of the present invention.
Fig. 5 is the side view of cutter head of shield machine of the present invention.
Fig. 6 is the axonometric drawing of the native basin of the present invention.
Fig. 7 is the front view of the native basin of the present invention.
Fig. 8 is the side view of the native basin of the present invention.
Fig. 9 is the axonometric drawing of the native basin push lifting device of the present invention.
Figure 10 is the axonometric drawing of the native basin fixing device of the present invention.
Figure 11 is the front view of the native basin fixing device of the present invention.
Figure 12 is the axonometric drawing of main shaft external member of the present invention.
Figure 13 is the side view of main shaft external member of the present invention.
In figure, 1- entirety steelframe, 2- main shafts external member, 3- cutter head of shield machine, 4- soil basin, 5- soil basins push lifting device, 6- soil basins
Fixing device, 7- high torques motor, 8- torque sensors, 9- decelerators, 11- steel platforms, 12- steel sole plates, 13- pit scales, 21-
Main shaft, 22- axle housings, 23- spindle flanges, 31- cutterheads skeleton, 32- cutterheads reinforcement, 33- are as leg, 34- cutterheads flange, 35- spokes
Penetrate plate, 36- scrapers, 37- cutting knifes, 38- center cutters, 39- skeletons reinforcement, 41- inner circumferentials steel plate, 42- peripheries steel plate, 43- necks,
44- soil basins bottom plate, 45- bar shapeds reinforcement, 51- lifts base, 52- universal wheels, 53- spiral lifts, 54- elevator methods
Orchid, 61- hanging feets, 62- lower margins, 63- rotating fixing rods, 64- mounting holes, 65- fixing holes.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, a kind of shield cutter vibrating excavation experimental bench, including cutter head of shield machine 3, native basin 4, native basin
Fixing device 6, native basin push lifting device 5, main shaft external member 2 and overall steelframe 1, the main shaft external member 2 are arranged on the overall steelframe 1
On, the cutter head of shield machine 3 is arranged on the bottom of the main shaft external member 2, and the native basin fixing device 6 is arranged on cutter head of shield machine
Moved up and down in the native basin push lifting device 5 of 3 lower sections and by the drive of native basin push lifting device 5, the native basin push lifting device 5 is arranged on
On the overall steelframe 1.Main shaft external member 2, cutter head of shield machine 3, native basin 4, native basin push lifting device 5 are arranged on same plumb line
On, ensure that cutter head of shield machine 3 moves along straight line at work.
The overall steelframe 1 is the cube frame being welded by shaped steel, and the overall top of steelframe 1 is provided with for placing
The steel platform 11 of high torque motor 7, torque sensor 8 and decelerator 9, steel platform 11 are bolted on shaped steel and are welded
Cube frame on.High torque motor 7, torque sensor 8 and decelerator 9 are each attached in steel platform 11, high torque motor 7
Output shaft by the connection reducer 9 of torque sensor 8, decelerator 9 connects the upper end of main shaft external member 2, and main shaft external member 2 passes through master
Axle supporting steel plate is fixed on the lower section of steel platform 11 of overall steelframe 1, and main shaft external member 2 ensures to lead by being fixed on overall steelframe 1
Axle will not be produced when rotating and rocked, and improve stability during whole device operation.The bottom of overall steelframe 1 is welded with steel bottom
Plate 12, pit scale 13 are arranged on the steel sole plate 12.RS485 data acquisition module is connected with the pit scale 13,
RS485 data module is with being used for the calculating mechatronics of record and being remembered in the data transfer of pit scale 13 to computer
Record.The side of pit scale 13 is provided with slope, so that native basin push lifting device 5 is shifted onto on pit scale 13 by slope.
The high torque motor 7 is frequency control motor.
As shown in Figure 12 and Figure 13, the main shaft external member 2 includes main shaft 21, axle housing 22 and spindle flange 23, the main shaft
The decelerator 9 placed in 21 upper end connection steel platform 11, the lower end of main shaft 21 are solid by spindle flange 23 and cutter head of shield machine 3
Fixed connection, the axle housing 22 are connected by bearing with main shaft 21, are provided with the axle housing 22 and the main shaft branch on overall steelframe 1
Support the flange hole of Interal fixation connection.
Connected between the axle housing 22 and main shaft 21 by a pair of deep groove ball bearings being arranged in the upper and lower ends face of axle housing 22
Connect.Axle housing 22 includes upper shell and lower house, the junction of upper shell and lower house from it is flanged and by from it is flanged mutually
Connection.Upper shell and lower house are connected with main shaft support Interal fixation by the flange at interconnection and integrally consolidate axle housing 22
It is scheduled on main shaft support steel plate, the support formed on major axis horizontal direction.
As shown in Fig. 3, Fig. 4 and Fig. 5, the cutter head of shield machine 3 includes the knife for the hexagon being welded by six blocks of steel plates
Disk skeleton 31, the middle part of the cutterhead skeleton 31 of hexagon are provided with skeleton reinforcement 39, six summits of cutterhead skeleton 31 to bone
Six cutterhead reinforcements 32 are welded with the line at the center of frame reinforcement 39, wherein three cutterhead reinforcements 32 being spaced apart
On be provided with a radiant panel 35, the cutting knife 37 of six equidistantly distributeds, the other three knife are provided with each radiant panel 35
The outer end of disk reinforcement 32 is provided with three scrapers 36；The front of the skeleton reinforcement 39 is provided with a center cutter 38,
The back side of the skeleton reinforcement 39 is also welded with six pieces as leg 33, described as being welded with cutterhead flange 34, cutterhead method on leg 33
Orchid 34 is fixedly connected with the spindle flange 23 in the main shaft external member 2.I.e. whole cutter head of shield machine 3 includes 18 cutting knife altogether
37th, 3 scraper 36 and one center cutter 38.Center cutter 38 and cutting knife 37 are used to cut the soil in native basin 4, and scraper 36 is used
Wiped off in by unnecessary soil bits.
The cutting knife 37 is bolted on radiant panel 35, and the radiant panel 35 is bolted on cutterhead reinforcement
On muscle 32；The cutting knife 37 is bolted on the end of cutterhead reinforcement 32.
The bar shaped reinforcement 45 is provided with arranged side by side a plurality of.Also set up between the radiant panel 35 and cutterhead reinforcement 32
There is a plurality of equally distributed triangle reinforcement.
As shown in Fig. 6, Fig. 7 and Fig. 8, the native basin 4 includes native 44, four blocks of inner circumferential steel plates 41 of basin bottom plate and four blocks of periphery steel
Plate 42, four blocks of inner circumferential steel plates 41, which are fixed on, forms the interior of soil body style of the native basin 4 for holding cutting on the native basin bottom plate 44
Circle, four blocks of periphery steel plates 42, which are fixed on the basin bottom of native basin 4 on the outside of inner ring and form native basin 4, to be used to hold in working angles to drop out
Soil bits outer ring；The bottom of the native basin bottom plate 44 is provided with bar shaped reinforcement 45, turn to have on the bar shaped reinforcement 45 with
The affixed screwed hole of native basin push lifting device 5；The both sides of the native basin 4 are additionally provided with neck 43.
As shown in figure 9, the native basin push lifting device 5 includes two spiral lifts 53, lift base 51 and four ten thousand
To wheel 52, the bottom of lift base 51 is provided with four universal wheels 52, two spiral lifts 53 it is contour be arranged on institute
State on lift base 51, the top of the spiral lift 53 is strengthened by the bar shaped of elevator flange 54 and the native bottom of basin 4
Muscle is fixedly connected；Two spiral lifts 53 provide power by spiral lifting motor, and the spiral lifting motor is change frequency modulation
Speed motor.
As shown in Figure 10 and Figure 11, the native basin fixing device 6 includes a pair by hanging feet 61, lower margin 62, rotating fixing rod
63 and the unilateral stuck-module of fixing bolt composition, a pair of unilateral stuck-modules are separately mounted to the overall steel of the both sides of pit scale 13
On frame 1, the lower margin 62 is fixed on the lower end of overall steelframe 1, and the hanging feet 61 is fixed on the middle and upper part of overall steelframe 1, described
The line of lower margin 62 and hanging feet 61 is on a plumb line, and the rotating fixing rod 63 is hinged on the lower margin 62, the rotation
The upper end for turning fix bar 63 is provided with fixing hole 65, and mounting hole 64 is provided with the hanging feet 61, and native basin 4 positions latter to rotation
Fix bar 63 is stuck on the neck 43 of the native both sides of basin 4 by rotating closed, and by through fixing hole 65 and mounting hole 64
Fixing bolt the upper end of rotating fixing rod 63 and hanging feet 61 are fixed together.The end of hanging feet 61 is U-shaped, and U-shaped groove
The wide matching size just with rotating fixing rod 63 closes, and ensures that rotating fixing rod 63 can just stick into the U-shaped end of hanging feet 61.
The operation principle of the present invention is as follows：At work, high torque motor 7 passes through drive by the input power of decelerator 9
The motion of lower section main shaft external member 2 drives the rotation of cutter head of shield machine 3；The size of moment of torsion can be turned round during the digging of cutter head of shield machine 3
Square sensor 8 is collected, and is transmitted to computer.During on-test, native basin 4 and native basin push lifting device 5 are all outside overall steelframe 1
, native basin fixing device is open mode, and after loading onto soil in native basin 4, native basin 4 is arranged in native basin push lifting device 5, and native basin pushes away
Device 5 is risen by manually promoting or being automatically moved on pit scale 13, and by the native basin fixing device of pit scale 13 or so to consolidate
It is fixed live, native basin fixing device by rotating fixing rod by closing and screwing on the positioning that bolt realizes native basin 4；After switching on power, shield
Structure machine knife disk 3 rotates under the drive of high torque motor 7, is moved upwards in the soil under action basin 4 that raises of native basin push lifting device 5,
The relative motion of native basin 4 and cutter head of shield machine 3 is realized, simultaneously the real time value change of the pit scale 13 of the native lower section of basin 4 is logical
The data acquisition module for crossing RS485 records and the data of record is transferred into computer.Due to high torque motor 7 and native basin lifting dress
Putting 5 rotating speed can all be adjusted in real time, therefore can be by testing power of the collection cutter head of shield machine under velocity variations
Characteristic, i.e., with speed, the change of acceleration, the change of its moment of torsion and propulsive force.
The twocouese vibrating effect of the direction of rotation of shield cutter 3 and direction of propulsion is by high torque motor 7 and soil in the present invention
The real-time speed change of variable-frequency motor of basin push lifting device 5 obtains.Implementation method is variable-frequency motor to be controlled by single-chip microcomputer or PLC, to motor
The control signals such as frequency converter input sine wave, triangular wave, realize the change i.e. vibrational excitation of the real-time rotating speed of motor.High torque motor
The vibration of direction of rotation of 7 velocity perturbation with movable knife disc 3, the velocity perturbation band moving knife of the variable-frequency motor of native basin push lifting device 5
The vibration of the direction of propulsion of disk 3.So as to realize the effect of twocouese controllable vibration excitation digging.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as
The technical scheme that can be realized on the basis of above-described embodiment without creative work, it is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (8)
- A kind of 1. shield cutter vibrating excavation experimental bench, it is characterised in that：Including cutter head of shield machine (3), native basin (4), Tu Pengu Determine device (6), native basin push lifting device (5), main shaft external member (2) and overall steelframe (1), the main shaft external member (2) is arranged on described On overall steelframe (1), the cutter head of shield machine (3) is arranged on the bottom of the main shaft external member (2), the native basin fixing device (6) it is arranged on the native basin push lifting device (5) below cutter head of shield machine (3) and is transported up and down by the drive of native basin push lifting device (5) Dynamic, the native basin push lifting device (5) is arranged on the overall steelframe (1)；The overall steelframe (1) is welded by shaped steel, be provided with the top of overall steelframe (1) for place high torque motor (7), The steel platform (11) of torque sensor (8) and decelerator (9), high torque motor (7) pass through torque sensor (8) connection reducer (9), the upper end of decelerator (9) connection main shaft external member (2), main shaft external member (2) is by main shaft support Interal fixation in overall steelframe (1) below steel platform (11), overall steelframe (1) bottom is welded with steel sole plate (12), and pit scale (13) is arranged on described On steel sole plate (12)；The main shaft external member (2) includes main shaft (21), axle housing (22) and spindle flange (23), the upper end connection of the main shaft (21) The decelerator (9) placed in steel platform (11), the lower end of main shaft (21) are fixed by spindle flange (23) and cutter head of shield machine (3) Connection, the axle housing (22) is connected with main shaft (21) by bearing, be provided with the axle housing (22) with overall steelframe (1) The flange hole of main shaft support Interal fixation connection；The cutter head of shield machine (3) includes the cutterhead skeleton (31) for the hexagon being welded by six blocks of steel plates, the knife of hexagon It is provided with skeleton reinforcement (39) in the middle part of disk skeleton (31), six summits of cutterhead skeleton (31) to skeleton reinforcement (39) Six cutterhead reinforcements (32) are welded with the line at center, wherein being respectively provided with three cutterhead reinforcements (32) being spaced apart There is a radiant panel (35), the cutting knife (37) of six equidistantly distributeds, the other three cutterhead are provided with each radiant panel (35) The outer end of reinforcement (32) is provided with three scrapers (36)；The front of the skeleton reinforcement (39) is provided with a center cutter (38), the back side of the skeleton reinforcement (39) is also welded with six pieces as leg (33), described as being welded with cutterhead method on leg (33) Blue (34), cutterhead flange (34) are fixedly connected with the spindle flange (23) on the main shaft external member (2)；The native basin (4) includes native basin bottom plate (44), four pieces of inner circumferential steel plates (41) and four pieces of periphery steel plates (42), four blocks of inner circumferential steel Plate (41) is fixed on and the inner ring that native basin (4) is used to hold the soil body style of cutting is formed on the native basin bottom plate (44), and four pieces outer All steel plates (42), which are fixed on native basin (4) basin bottom on the outside of inner ring and form native basin (4), to be used to hold what is dropped out in working angles The outer ring of soil bits；The bottom of the native basin bottom plate (44) is provided with bar shaped reinforcement (45), turns on the bar shaped reinforcement (45) There is the screwed hole affixed with native basin push lifting device (5)；The both sides of the native basin (4) are additionally provided with neck (43)；The native basin push lifting device (5) includes two spiral lifts (53), lift base (51) and four universal wheels (52), Lift base (51) bottom is provided with four universal wheels (52), two spiral lifts (53) it is contour be arranged on it is described On lift base (51), the top of the spiral lift (53) passes through elevator flange (54) and the bar of native basin (4) bottom Shape reinforcement is fixedly connected；The native basin fixing device (6) includes a pair by hanging feet (61), lower margin (62), rotating fixing rod (63) and fixing bolt group Into unilateral stuck-module, a pair of unilateral stuck-modules are separately mounted on the overall steelframe (1) of pit scale (13) both sides, described Lower margin (62) is fixed on the lower end of overall steelframe (1), and the hanging feet (61) is fixed on the middle and upper part of overall steelframe (1), describedly On a plumb line, the rotating fixing rod (63) is hinged on the lower margin (62) line of pin (62) and hanging feet (61), The upper end of the rotating fixing rod (63) is provided with fixing hole (65), and mounting hole (64), native basin are provided with the hanging feet (61) (4) positioning is latter is stuck on the neck (43) of native basin (4) both sides to rotating fixing rod (63) by rotating closed, and is passed through The upper end of rotating fixing rod (63) and hanging feet (61) are fixed in one through the fixing bolt of fixing hole (65) and mounting hole (64) Rise.
- 2. shield cutter vibrating excavation experimental bench according to claim 1, it is characterised in that：The cutting knife (37) passes through spiral shell Bolt is fixed on radiant panel (35), and the radiant panel (35) is bolted on cutterhead reinforcement (32)；The cutting knife (37) it is bolted on the end of cutterhead reinforcement (32).
- 3. shield cutter vibrating excavation experimental bench according to claim 1, it is characterised in that：Connect on the pit scale (13) It is connected to RS485 data acquisition module, RS485 data module is with the calculating mechatronics for recording and by pit scale (13) Data transfer to being recorded on computer.
- 4. shield cutter vibrating excavation experimental bench according to claim 1, it is characterised in that：The axle housing (22) and main shaft (21) connected between by a pair of deep groove ball bearings being arranged in axle housing (22) upper and lower ends face.
- 5. shield cutter vibrating excavation experimental bench according to claim 1, it is characterised in that：The bar shaped reinforcement (45) It is provided with arranged side by side a plurality of.
- 6. shield cutter vibrating excavation experimental bench according to claim 1, it is characterised in that：The radiant panel (35) and knife A plurality of equally distributed triangle reinforcement is additionally provided between disk reinforcement (32).
- 7. shield cutter vibrating excavation experimental bench according to claim 1, it is characterised in that：Two spiral lifts (53) Power is provided by spiral lifting motor, the spiral lifting motor is frequency control motor.
- 8. shield cutter vibrating excavation experimental bench according to claim 1, it is characterised in that：The high torque motor (7) For frequency control motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710972424.8A CN107796610B (en) | 2017-10-18 | 2017-10-18 | Shield cutter vibrating excavation experimental bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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