CN209342354U - A kind of rock material bin and TBM hob revolution rolling broken rock testing stand - Google Patents
A kind of rock material bin and TBM hob revolution rolling broken rock testing stand Download PDFInfo
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- CN209342354U CN209342354U CN201920133775.4U CN201920133775U CN209342354U CN 209342354 U CN209342354 U CN 209342354U CN 201920133775 U CN201920133775 U CN 201920133775U CN 209342354 U CN209342354 U CN 209342354U
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Abstract
A kind of rock material bin, including the horizontally-supported seat of material bin, material bin driving device, outer support ring, inner support seat, connection support column, rock grip slipper, rock support plate, limited roller component, clamping load cylinder, it is characterized by: material bin transmission main shaft one end of material bin driving device connects power source, the other end passes through the horizontally-supported seat of material bin and inner support seat is affixed；Rock grip slipper is placed on the rock support plate in inner support seat；Clamping load cylinder is arranged on inner support seat, and piston rod acts on rock grip slipper；Connect support column outer support ring and inner support seat is affixed；Limited roller component is arranged on the horizontally-supported seat of material bin, and limited roller is tangent with outer support ring；Above-mentioned rock material bin obtains a kind of TBM hob revolution rolling broken rock testing stand of the utility model after the rock material bin for replacing existing TBM normal line cutting test platform.The testing stand can be carried out with/without hobboing cutter revolution broken rock test under the conditions of confining pressure.
Description
Technical field
The utility model belongs to geotechnical engineering field, is related to a kind of rock material bin and broken rock cutter broken rock cutting test
Platform more particularly to a kind of rock material bin and TBM hob for existing TBM hob normal line cutting test platform to be transformed turn round rolling
Crush rock testing stand.
Background technique
21st century, China enter the engineering construction great development epoch.TBM (tunneling boring hard rock mole) by efficiently,
Environmental protection, high degree of automation, geological adaptability is strong, saves manpower, speed of application fastly, cavitation, weatherproof, an excavation
When controllable surface subsidence many advantages, such as in large quantities of crucial underground space engineering projects such as water conservancy, traffic, the energy, national defence
It is widely applied.It was predicted that only demand of the domestic each main cities to TBM is just up to more than 200, in addition the need of other industries
It asks, it is contemplated that the five-year industrial value will be up to 50,000,000,000.
In face of such huge TBM market demand, major colleges and universities domestic in recent years increase related to TBM to scientific research institutions
The research investment and dynamics of the technical fields such as design, preparation and application；Wherein by TBM hob (disk cutter) standard wire cutting
It is to select hobboing cutter and design TBM cutterhead that testing stand (hereinafter referred to as TBM normal line cutting test platform), which carries out broken rock experimental study,
Important channel and means.However, since limitation of the existing normal line cutting test platform on simulation rock break-off process (is only capable of simulating
The linear rolling rock break-off process of hilted broadsword), the function of rock material bin device used in especially existing TBM normal line cutting test platform
Limitation (only accomplishes to clamp rock sample block, but can not simulate protolith Pericardial arrest), therefore can not simulate and tunnel operating condition
The TBM hob rock break-off process being close.In other words, existing TBM normal line cutting test platform, which can not be carried out, considers protolith confining pressure
Hilted broadsword revolution rolling broken rock test under effect.
On the basis of existing TBM normal line cutting test platform, academic circles at present, which gradually develops, improves several TBM hobs
Broken rock tests new departure.For example, a kind of adjustable multi-hob rock cutting fragmentation test means of Central South University's utility model are (open
Number: CN 101046537A), can install simultaneously it is more hobboing cutter is simulated the revolution rolling broken rocks movement of more hobboing cutters, but can not be by protolith
The factors such as Pericardial arrest are included in investigation.Central South University also utility model is a kind of for simulating hobboing cutter rolling broken rock, hobboing cutter rolling
Impact the hard rock hob broken rock characteristic test device (publication number: CN of compound broken rock and similar hob abrasion process
103969101B)；The device due to using servo hydraulic cylinder to carry out sound load test, therefore need to configure precision it is higher and tie
The hydraulic power unit system of structure complexity, equipment cost and maintenance cost are higher；In addition, the device is linear broken there is also only can be carried out
Rock can not simulate the limitations such as protolith Pericardial arrest, rock mass surface to be cut be horizontally disposed.The tunnel Zhong Tie group Limited Liability is public
Take charge of utility model a kind of TBM broken rock experimental rig (publication number: CN 102359919B)；The device can not equally account for
The cutting test of the factors such as protolith Pericardial arrest and tool motion form.Shenyang heavy-duty machinery Group Co., Ltd utility model
A kind of Multi-blade multi-angle rock breaking device for rock ripper (publication number: CN 102445336A)；Although the device being capable of simulation rock
Cyclic annular confining pressure loads function, but exist in load it is unreliable due to cutter positioning caused by machining locus deviate, confining pressure point
Section simulation inaccuracy, hydraulic cylinder synchronous require the problems such as high, and can not equally carry out revolution cutting test.Beijing University of Technology
With a kind of TBM hob rotation broken rock test platform of Guangzhou Xin Ou Machinery Co., Ltd. joint utility model and matched make
Confining pressure device and slewing equipment (publication number: CN 103226068B, CN 103226078B, CN 103226077B), it is above-mentioned
Device can carry out double-pole revolution rolling broken rock test and simulate the double-pole rolling broken rock under the conditions of unidirectional (or two-way) confining pressure
Test, but can not still simulate hobboing cutter revolution rolling broken rock test under the conditions of confining pressure.
From the point of view of to sum up, above-mentioned TBM hob broken rock tests new departure and although overcomes existing TBM normal line cutting test platform
(such as analog multitool revolution rolling rock break-off process can study hobboing cutter unsteady flow broken rock new paragon, can carry out partial function defect
Similar hob abrasion test etc.), but the scheme for being able to carry out hobboing cutter revolution rolling broken rock test under protolith Pericardial arrest is still few
See.Even if theoretically there is such solution, but its structure can answer for existing TBM normal line cutting test platform
It is much miscellaneous, therefore experimentation cost is more high (needs to purchase completely new test platform again, lead to existing TBM standard wire cutting
Testing stand is idle).
Currently, there has been no guaranteeing that existing TBM normal line cutting test platform main structure and total arrangement form are constant
Under the premise of, local flow improvement upgrading is carried out to a certain building block of existing TBM normal line cutting test platform (such as rock material bin), with
Realize the low-cost technologies with/without hilted broadsword revolution rolling broken rock test new function under confining pressure condition (under no confining pressure or different confining pressures)
Embodiment.
Utility model content
In order to solve above-mentioned deficiency in the prior art, the utility model provides a kind of rock material bin, comprising: material bin
Horizontally-supported seat, material bin driving device, outer support ring, inner support seat, connection support column, rock grip slipper, rock support plate,
Limited roller component, clamping load cylinder, it is characterised in that:
Inner support seat center offers internal splined hole；The rock support plate is coaxially fixed in described by screw
In the warehouse of inner support seat；The inner support seat, the outer support ring are successively coaxially arranged from inside to outside；The connection support
Column is circumferentially angularly symmetrically arranged between the inner support seat and the outer support ring, and the both ends of the connection support column
It is affixed with the inner support seat and the outer support ring respectively；The rock grip slipper is open type warehouse structure, for placing
And clamp rock sample；The rock grip slipper is placed in the warehouse of the inner support seat, the bottom of the rock grip slipper
Face (i.e. the face opposite with rock surface to be cut) is in contact with the rock support plate；Between the clamping load cylinder circumferentially waits
It every even angle being arranged in inside the outer support ring, the cylinder body and the inner support seat of the clamping load cylinder are affixed,
Its piston rod acts on the side of the rock grip slipper；
The center of the horizontally-supported seat of material bin offers bearing saddle bore；The limited roller component is pressed in institute
Outer support ring is stated, moving radially for the relatively described horizontally-supported seat of material bin of the outer support ring is limited, thus by the outer branch
The counter-force that pushing out ring is born includes limited roller seat and is installed in it to the horizontally-supported seat transmitting of the material bin, structure composition
And it can be around the limited roller that own axes are freely rotated；The limited roller seat is installed on the horizontally-supported seat of the material bin；
At least limited roller component described in three groups passes through bearing saddle bore of the limited roller seat about the horizontally-supported seat of the material bin
Central axes be circumferentially angularly equally spaced on the horizontally-supported seat of the material bin, and make the outer of the outer support ring
Circumferential surface and the limited roller are tangent；
The material bin driving device includes material bin transmission main shaft, reduction gearing mechanism, power source, in which: the object
Feed bin transmission main shaft is circumferentially actively supported on the horizontally-supported seat of the material bin；One end of the material bin transmission main shaft with
Internal splined hole on the inner support seat forms spline fitted, and the other end passes through the gear I being mounted thereon and successively subtracts with described
Fast transmission mechanism, the power source are connected by power.
Preferably, the material bin transmission main shaft is circumferentially actively supported on the material bin level by rolling bearing
On support base.
More preferably, the rolling bearing is radial thrust bearing.
More preferably, the rolling bearing is that radial bearing and thrust bearing combination use.
Preferably, limited roller component described in being disposed with four groups on the horizontally-supported seat of material bin.
Preferably, affixed by four connection support columns between the inner support seat and the outer support ring.
Preferably, being circumferentially arranged symmetrically on the inner support seat, there are four the clamping load cylinders.
Preferably, the rock grip slipper is by four blocks of side steel plates and one piece of bottom plate is affixed forms.
Preferably, there are two the limited rollers for installation in the limited roller seat.
Preferably, the manufacture mismachining tolerance of the rock sample is considered, in order to guarantee that the rock sample is reliable
Filling concrete in the gap of securely clamping, the rock sample and the rock grip slipper.
Preferably, for the cylindrical rock sample, the rock grip slipper is designed as rotational-like open type
Warehouse structure；It is worth noting that the rock grip slipper is by four blocks of arcuation steel plates and one block of circular base steel plate is affixed forms；?
On the rock grip slipper outer peripheral surface, and clamping plane is milled out with the position of the piston rod face of the clamping load cylinder；
The compressible clamping plane in its face of piston rod of the clamping load cylinder.
Preferably, being tested to further realize hobboing cutter broken rock under the conditions of confining pressure, one kind provided by the utility model
Rock material bin further includes compressing steel plate I, in which: the bottom (one i.e. far from surface to be cut of the rock sample of rectangle
End) it is placed on the rock support plate in the inner support seat；The clamping load cylinder compresses the compression steel plate I
In on four sides of the rock sample, the rock sample reliable retention is installed on the inner support seat to reach
In warehouse, and the purpose of lateral confining pressure can be applied to four sides of the rock sample simultaneously.
Preferably, a kind of rock material bin provided by the utility model further includes arcuation steel plate, the rock sample
Bottom is placed on the rock support plate in the inner support seat；The piston rod of the clamping load cylinder is by compressing institute
Arcuation steel plate is stated in the rock sample outer surface, the rock sample reliable retention is installed on the interior branch to reach
It supports in seat warehouse, and lateral confining pressure can be applied to the rock sample simultaneously.
A kind of rock material bin (i.e. rock material bin II) provided by the utility model can be used for being transformed existing TBM normal line
The rock material bin II provided by the utility model is displaced existing TBM normal line cutting test platform by cutting test platform
Rock material bin I, obtain a kind of TBM hob revolution rolling broken rock testing stand.
A kind of TBM hob revolution rolling broken rock testing stand, including rock material bin II, transverse hydraulic cylinder I, cross slide way I,
Material bin support base, pedestal, vertical hydraulic cylinder, crossbeam, column, moved cross beam, hobboing cutter fixing seat, hobboing cutter mounting base, hobboing cutter,
Material bin connecting flange I, material bin transverse shifting mounting base I, material bin longitudinal movement mounting base I, longitudinal rail, longitudinal direction are hydraulic
Cylinder, power source, reduction gearing mechanism, vertical guide rail, it is characterised in that: the rock material bin II is connected by the material bin
Flange I is fixed in the material bin transverse shifting mounting base I of existing TBM normal line cutting test platform；The power source and
The reduction gearing mechanism is installed on the material bin connecting flange I；
It is worth noting that the other technical characteristics and existing TBM standard of the TBM hob revolution rolling broken rock testing stand
Wire cutting testing stand it is identical, it may be assumed that
The material bin support base is fixed on the pedestal；Material bin support base top is symmetrically provided with
The longitudinal rail；Actively nesting is placed in the longitudinal rail to the material bin longitudinal movement mounting base I；The longitudinal direction liquid
Cylinder pressure pushes the material bin longitudinal movement relatively described material bin support base of mounting base I longitudinally to transport along the longitudinal rail
It is dynamic；The cross slide way I is set in the material bin longitudinal movement mounting base I, and the material bin transverse shifting mounting base I is living
Dynamic ground nesting is placed in the cross slide way I；The transverse hydraulic cylinder I pushes the material bin transverse shifting mounting base I along institute
It states the relatively described material bin longitudinal movement mounting base I of cross slide way I and makees transverse movement；The vertical cloth in II two sides of rock material bin
It sets there are two the column, top is connected by a crossbeam, forms a gantry stand structure；The vertical hydraulic cylinder
Cylinder body and piston rod are affixed with the crossbeam and the moved cross beam respectively, realize the moved cross beam by the vertical hydraulic cylinder
The relatively described column of the vertical guide rail is vertically moved along the column；The hobboing cutter is installed solid on the moved cross beam
Reservation；The hobboing cutter mounting base and the hobboing cutter fixing seat are affixed, and the hobboing cutter is movably mounted in the hobboing cutter fixing seat.
In order to make the rock material bin II and the main structure of existing TBM normal line cutting test platform organically blend, easily
In assembling and setting, and complete machine working performance is maximized, the material bin for removing existing TBM normal line cutting test platform laterally moves
Dynamic mounting base I, and mounting base I, the cross slide way I, institute are vertically moved to the material bin connecting flange I, the material bin
It states transverse hydraulic cylinder I to be improved, to obtain a kind of TBM hob revolution rolling broken rock testing stand of the utility model.This reality
A kind of TBM hob revolution rolling broken rock testing stand, including rock material bin II, cross slide way II, longitudinal liquid are provided with novel
Cylinder pressure, longitudinal rail, vertical hydraulic cylinder, crossbeam, column, moved cross beam, hobboing cutter fixing seat, hobboing cutter mounting base, hobboing cutter, material bin
Connecting flange II, material bin longitudinal movement mounting base II, material bin support base, pedestal, power source, subtracts transverse hydraulic cylinder II
Fast transmission mechanism, vertical guide rail, it is characterised in that:
The material bin longitudinal movement mounting base II is actively nested in the described vertical of existing TBM normal line cutting test platform
On direction guiding rail；The cross slide way II is arranged in the material bin longitudinal movement mounting base II；The material bin connecting flange
II lower part has opened up the guide-track groove for being movably nested in the cross slide way II；The cylinder body of the transverse hydraulic cylinder II and work
Stopper rod vertically moves mounting base II with the material bin respectively and the material bin connecting flange II is affixed；The rock material bin
II is fixed on the material bin connecting flange II；The transverse hydraulic cylinder II pushes the material bin connecting flange II along described
The relatively described material bin longitudinal movement mounting base II of cross slide way II makees transverse movement；The power source and the deceleration transmission machine
Structure is installed on the material bin connecting flange II；It is worth noting that other of the TBM hob revolution rolling broken rock testing stand
Technical characteristic is identical as existing TBM normal line cutting test platform.
The utility model has the beneficial effect that the utility model is structurally simple, economical practical, in existing TBM normal line
Innovation has been carried out to material bin part on the basis of cutting test platform to improve, and keeps it closer with real working condition, it can be achieved that TBM knife
Tool simulation is with/without hobboing cutter revolution pressure limiting broken rock test under the conditions of confining pressure.On the basis of existing TBM normal line cutting test platform,
Only need to replace the rock material bin II provided by the utility model just can be carried out more than broken rock test, do not need to buy new examination
Platform is tested, the utilization rate of the existing equipment greatly improved is energy-saving and environment-friendly.
Detailed description of the invention
Fig. 1 is the schematic perspective view of existing TBM normal line cutting test platform.
Fig. 2 is a kind of structural schematic diagram of rock material bin specific embodiment one of the utility model.
Fig. 3 is the right view of rock material bin in Fig. 2.
Fig. 4 is the partial enlarged view in Fig. 2 at A (opposite Fig. 2 is rotated by 90 ° placement counterclockwise).
Fig. 5 is the schematic diagram after rock grip slipper cylindrical in Fig. 3 replacement.
Fig. 6 is that a kind of rock material bin specific embodiment three of the utility model is applied to revolution rolling broken rock under the conditions of confining pressure
The scheme of installation of the rock sample of rectangle is clamped when test.
Fig. 7 is that a kind of rock material bin specific embodiment four of the utility model is applied to revolution rolling broken rock under the conditions of confining pressure
The scheme of installation of cylindrical rock sample is clamped when test.
Fig. 8 is a kind of structural schematic diagram of TBM hob revolution rolling broken rock testing stand specific embodiment five of the utility model.
Fig. 9 is a kind of structural schematic diagram of TBM hob revolution rolling broken rock testing stand specific embodiment six of the utility model.
Specific embodiment
In order to better describe the technical solution of the utility model and advantage, now in conjunction with attached drawing, the utility model is implemented
Technical solution progress in example describes clear and completely.
As shown in Figure 1, existing TBM normal line cutting test platform include: vertical hydraulic cylinder (1), crossbeam (2), column (3),
Moved cross beam (4), hobboing cutter fixing seat (5), hobboing cutter mounting base (6), hobboing cutter (7), material bin support base (8), transverse hydraulic cylinder
I (9), cross slide way I (10), pedestal (11), longitudinal hydraulic cylinder (29), longitudinal rail (30), rock material bin I (31), material
Storehouse vertically moves mounting base I (32), material bin transverse shifting mounting base I (34), vertical guide rail (not shown), it is characterised in that:
Material bin support base (8) is fixed on pedestal (11)；Material bin support base (8) top is symmetrically provided with longitudinal rail
(30)；Actively nesting is placed in longitudinal rail (30) for material bin longitudinal movement mounting base I (32)；Longitudinal hydraulic cylinder (29) pushes
Material bin vertically moves mounting base I (32) with respect to material bin support base (8) guide rail (30) longitudinal movement along longitudinal direction；Cross slide way
I (10) are set in material bin longitudinal movement mounting base I (32), and material bin transverse shifting mounting base I (34) actively put by nesting
It is placed in cross slide way I (10)；Transverse hydraulic cylinder I (9) pushes material bin transverse shifting mounting base I (34) transversely guide rail I (10)
Opposite material bin longitudinal movement mounting base I (32) makees transverse movement；Rock material bin I (31) is for placing and clamping rock sample
(20), for broken rock Tool in Cutting；Rock material bin I (31) is fixed in material bin transverse shifting mounting base I (34)；It is general and
Speech, for the ease of assembling and disassembling rock sample block, rock sample (20) lower part surrounding is fixed by fastening screw, and rock sample
(20) top is the scope of freedom；Rock material bin I (31) two sides are arranged vertically there are two column (3), and top is by a crossbeam (2)
Connection, forms a gantry stand structure；The cylinder body and piston rod of vertical hydraulic cylinder (1) respectively with crossbeam (2) and moved cross beam
(4) affixed, realize that moved cross beam (4) described vertical guide rail opposite column (3) along column (3) hangs down by vertical hydraulic cylinder (1)
Straight movement；Hobboing cutter fixing seat (5) are installed on moved cross beam (4)；Hobboing cutter mounting base (6) and hobboing cutter fixing seat (5) are affixed, rolling
Knife (7) is movably mounted in hobboing cutter fixing seat (5)；Using industrial personal computer, data collecting card, three-dimensional force transducer, sound emission dress
It sets, high-speed digital photography system is monitored hobboing cutter rock break-off process and wear process.The testing stand can simulate hobboing cutter without
Linear rolling rock break-off process under the conditions of confining pressure, but hobboing cutter revolution broken rock test under the conditions of confining pressure can not have been carried out.
Specific embodiment one.
It is tried to solve the hobboing cutter revolution broken rock that not can be carried out of the rock material bin of existing TBM normal line cutting test platform
It tests, the utility model provides a kind of rock material bin on the basis of existing TBM normal line cutting test platform.Such as Fig. 2 to Fig. 5 institute
Show, be a kind of rock material bin provided by the utility model, including the horizontally-supported seat of material bin (12), material bin driving device,
Outer support ring (18), inner support seat (15), connection support column (28), rock grip slipper (19), rock support plate (16), limit rolling
Wheel assembly, clamping load cylinder (17), it is characterised in that:
As shown in Fig. 2, inner support seat (15) is cyclic annular warehouse formula structure, center offers internal splined hole；Rock support
Plate (16) is coaxially fixed in the warehouse of the inner support seat (15) by screw；Inner support seat (15), outer support ring (18)
Successively it is coaxially arranged from inside to outside；Connection support column (28) is circumferentially angularly symmetrically arranged at inner support seat (15) and outer branch
Between pushing out ring (18), and the both ends for connecting support column (28) are affixed with inner support seat (15) and outer support ring (18) respectively；
Rock grip slipper (19) is open type warehouse structure, for placing and clamping rock sample (20)；Rock grip slipper
(19) it is placed in the warehouse of inner support seat (15), the bottom surface of rock grip slipper (19) is (i.e. opposite with rock surface to be cut
Face) be in contact with rock support plate (16)；
Clamping load cylinder (17) is arranged in outer support ring (18) inside, clamps the cylinder body and inner support of load cylinder (17)
Seat (15) is affixed, and piston rod acts on the side of rock grip slipper (19)；In the actual implementation process, it is contemplated that rock sample
(20) there are cylindrical and two kinds of patterns of rectangle, therefore rock grip slipper (19) also correspondingly includes revolving body open type warehouse structure
With square aperture formula warehouse two kinds of patterns of structure；
In this example, as shown in Figures 2 and 3, using the rock grip slipper (19) of rectangle, more specifically, rock folder
Holding seat (19) includes bottom plate and side steel plate, and bottom plate and four blocks of side steel plates are affixed；Preferably, (20) four sides of rock sample
4 are disposed at corresponding position for clamping rock sample (20) or applying lateral confining pressure load to rock sample (20) side
Clamping load cylinder (17)；In order to which stress deformation is uniform, four clamping load cylinders are circumferential about the inner support seat
It is arranged symmetrically；The cylinder body for clamping load cylinder (17) is affixed with inner support seat (15), and piston rod actively passes through inner support
Seat (15), and it is pressed in four sides of rock grip slipper (19)；
The center of the horizontally-supported seat of material bin (12) offers bearing saddle bore；Limited roller component is pressed in outer support
Ring (18) limits outer support ring (18) moving radially with respect to material bin horizontally-supported seat (12), thus by outer support ring (18)
The counter-force of receiving is transmitted to the horizontally-supported seat of material bin (12), and structure composition includes limited roller seat (14) and is installed in it
And it can be around the limited roller (13) that own axes are freely rotated；Limited roller seat (14) is installed on the horizontally-supported seat of material bin (12)
On；At least three groups of limited roller components are by limited roller seat (14) about in the horizontally-supported seat of material bin (12) bearing saddle bore
Axis is arranged in circumferentially equiangularly spacedly on the horizontally-supported seat of material bin (12), and make the outer peripheral surface of outer support ring (18) with
Limited roller (13) is tangent；
Material bin driving device includes material bin transmission main shaft (27), reduction gearing mechanism, power source, in which: such as Fig. 2 institute
Show, the interlude of material bin transmission main shaft (27) actively passes through the bearing saddle bore, and by bearing (preferably rolling bearing)
It is circumferential to be actively supported on the horizontally-supported seat of material bin (12)；Material bin transmission main shaft (27) one end and inner support seat (15)
On internal splined hole form spline fitted, the other end pass through the gear I (24) that is mounted thereon successively with reduction gearing mechanism, dynamic
The connection of power driving source；More specifically, in this example, the stretching shaft end of material bin transmission main shaft (27) passes through bearing (ball) cover (23)
It stretches out, and gear I (24) is equipped with by flat key, axial direction utilizes shaft end ring (26) fixed；Bearing (ball) cover (23) with it is described
Bearing saddle bore is coaxially arranged, is fixed in the other side of the horizontally-supported seat of material bin (12)；
More preferably, the rolling bearing is radial thrust bearing.
More preferably, as shown in Figure 2 and Figure 4, aforementioned rolling bearing is that thrust bearing and radial bearing combination make in this example
With that is, thrust bearing (21) and rolling bearing (22) are placed sequentially in the bearing saddle bore on the horizontally-supported seat of material bin (12)；
Material bin transmission main shaft (27) is circumferentially actively supported on by the thrust bearing (21) and radial bearing (22) being applied in combination
On the horizontally-supported seat of material bin (12).
Preferably, limited roller component described in being disposed with four groups on the horizontally-supported seat of material bin (12).
Preferably, by four, to connect support column (28) affixed between inner support seat (15) and outer support ring (18).
Preferably, there are two limited roller (13) for installation in the limited roller seat (14).
Preferably, the manufacture mismachining tolerance of rock sample (20) is considered, in order to guarantee that rock sample (20) is reliable
Securely clamping, rock sample (20) and filling concrete in the gap of rock grip slipper (19).
It is worth noting that the rock material bin in this example is only able to achieve the revolution of rock sample (20), no normal direction its apply
Add confining pressure.
Specific embodiment two.
On the basis of specific embodiment one, as shown in figure 5, for cylindrical rock sample (20), rock grip slipper
(19) it is designed as rotational-like open type warehouse structure；It is worth noting that the rock grip slipper (19) in this example is by four pieces of arcs
Shape steel plate (41) and one block of circular base steel plate is affixed forms；On rock grip slipper (19) outer peripheral surface, and with clamping load cylinder
(17) position of piston rod face mills out clamping plane；Clamp the compressible institute in its face of load cylinder (17) piston rod
State clamping plane.So, the secured clamping to cylindrical rock sample (20) is just realized, while upper surface can be clamped
The bigger rock sample of area is more advantageous to relative to the rock sample (20) of rectangle and carries out hobboing cutter revolution rolling broken rock (rock
The sized boundary effect of sample (20) is relatively low).
Specific embodiment three.
Preferably, being tested to further realize hobboing cutter broken rock under the conditions of confining pressure, as shown in fig. 6, the utility model
A kind of rock material bin provided further includes compressing steel plate I (39), in which: the bottom of the rock sample (20) of rectangle is (i.e. separate
The one end on surface to be cut) it is placed on the rock support plate (16) in inner support seat (15)；Clamping load cylinder (17) will press
Tight steel plate I (39) is pressed on four sides of rock sample (20), pacifies rock sample (20) reliable retention to reach
Loaded in inner support seat (15) warehouse, and apply the purpose of lateral confining pressure to four sides of rock sample (20) simultaneously.
Preferably, in specific embodiment two and specific embodiment three, the clamping adds in order to enable stress deformation is uniform
Oil cylinder is carried circumferentially to be arranged in even angle inside the outer support ring at equal intervals.
Specific embodiment four.
Preferably, in order to realize the confining pressure load to cylindrical rock sample (20), as shown in fig. 7, this is practical new
A kind of rock material bin that type provides further includes arcuation steel plate (41), the bottom of cylindrical rock sample (20) (i.e. far to
One end of cutting surface) it is placed on the rock support plate (16) in inner support seat (15)；Clamp the piston of load cylinder (17)
Bar is reliably pressed from both sides rock sample (20) to reach by compressing arcuation steel plate (41) in rock sample (20) circumferential surface
It holds and is installed in inner support seat (15) warehouse, and lateral confining pressure can be applied to rock sample (20) simultaneously.It is worth noting that this
Four pieces of arcuation steel plates (41) are pressed in by rock sample (20) circumferential surface by clamping load cylinder (17) piston rod in example.
Specific embodiment five.
As shown in figure 8, a kind of rock material bin (i.e. rock material bin II (40)) provided by the utility model can be used for changing
Existing TBM normal line cutting test platform is made, i.e., rock material bin II (40) provided by the utility model is displaced into existing TBM
The rock material bin I (31) of normal line cutting test platform obtains a kind of TBM hob revolution rolling broken rock testing stand.It is a kind of
TBM hob revolution rolling broken rock testing stand, including rock material bin II (40), transverse hydraulic cylinder I (9), cross slide way I (10),
Material bin support base (8), pedestal (11), vertical hydraulic cylinder (1), crossbeam (2), column (3), moved cross beam (4), hobboing cutter are fixed
Seat (5), hobboing cutter mounting base (6), hobboing cutter (7), material bin connecting flange I (33), material bin transverse shifting mounting base I (34), object
Feed bin vertically moves mounting base I (32), longitudinal rail (30), longitudinal hydraulic cylinder (29), power source, reduction gearing mechanism, vertical
Guide rail, it is characterised in that:
Rock material bin II (40) is fixed in existing TBM normal line cutting test platform by material bin connecting flange I (33)
Material bin transverse shifting mounting base I (34) on；The power source and the reduction gearing mechanism are installed on material bin connection method
On blue I (33)；So, rock material bin II (40) can make revolution fortune with respect to the central axes of material bin connecting flange I (33)
It is dynamic, the function for turning round whether there is or not hobboing cutter under the conditions of confining pressure and rolling broken rock test is realized on the basis of additionally not purchasing new testing stand
Can, experimentation cost has been saved, the utilization rate and utility value of existing TBM normal line cutting test platform are improved.
It is worth noting that TBM hob described in this example revolution rolling broken rock testing stand other technical characteristics with it is aforementioned
Existing TBM normal line cutting test platform it is identical, it may be assumed that
Material bin support base (8) is fixed on pedestal (11)；Material bin support base (8) top is symmetrically provided with vertical
Direction guiding rail (30)；Actively nesting is placed in longitudinal rail (30) for material bin longitudinal movement mounting base I (32)；Longitudinal hydraulic cylinder
(29) pushing material bin longitudinal movement mounting base I (32) with respect to material bin support base (8), guide rail (30) is longitudinally transported along longitudinal direction
It is dynamic；Cross slide way I (10) is set in material bin longitudinal movement mounting base I (32), and material bin transverse shifting mounting base I (34) is living
Dynamic ground nesting is placed in cross slide way I (10)；Transverse hydraulic cylinder I (9) pushes material bin transverse shifting mounting base I (34) transversely
Guide rail I (10) makees transverse movement with respect to material bin longitudinal movement mounting base I (32)；Rock material bin II (40) two sides are arranged vertically
There are two column (3), top is connected by a crossbeam (2), forms a gantry stand structure；The cylinder body of vertical hydraulic cylinder (1)
It is affixed with crossbeam (2) and moved cross beam (4) respectively with piston rod, realize moved cross beam (4) along column by vertical hydraulic cylinder (1)
(3) vertical guide rail is vertically moved with respect to column (3) on；Hobboing cutter fixing seat (5) are installed on moved cross beam (4)；Hobboing cutter
Mounting base (6) and hobboing cutter fixing seat (5) are affixed, and hobboing cutter (7) is movably mounted in hobboing cutter fixing seat (5).
Specific embodiment six.
In specific embodiment five, rock material bin II (40) is fixed in existing TBM by material bin connecting flange I (33)
In the material bin transverse shifting mounting base I (34) of normal line cutting test platform；In order to make rock material bin II (40) with it is existing
The main structure of TBM normal line cutting test platform organically blends, and is easily assembled debugging, and maximize complete machine working performance, such as schemes
Shown in 9, this example eliminates the material bin transverse shifting mounting base I (34) of existing TBM normal line cutting test platform, and to material bin
Connecting flange I (33), material bin longitudinal movement mounting base I (32), cross slide way I (10), transverse hydraulic cylinder I (9) are changed
Into to obtain a kind of TBM hob revolution rolling broken rock testing stand specific embodiment six of the utility model.The utility model provides
A kind of TBM hob revolution rolling broken rock testing stand, including it is rock material bin II (40), cross slide way II (38), longitudinal hydraulic
Cylinder (29), longitudinal rail (30), vertical hydraulic cylinder (1), crossbeam (2), column (3), moved cross beam (4), hobboing cutter fixing seat (5),
Hobboing cutter mounting base (6), hobboing cutter (7), material bin connecting flange II (36), transverse hydraulic cylinder II (37), material bin longitudinal movement peace
Seat II (35), material bin support base (8), pedestal (11), power source, reduction gearing mechanism, vertical guide rail are filled, feature exists
In:
It leads the longitudinal direction that material bin longitudinal movement mounting base II (35) is actively nested in existing TBM normal line cutting test platform
On rail (30)；Cross slide way II (38) is arranged in material bin longitudinal movement mounting base II (35)；Material bin connecting flange II
(36) lower part has opened up the guide-track groove for being movably nested in cross slide way II (38)；The cylinder body of transverse hydraulic cylinder II (37) and
Piston rod is affixed with material bin longitudinal movement mounting base II (35) and material bin connecting flange II (36) respectively；Rock material bin II
(40) it is fixed on material bin connecting flange II (36)；Transverse hydraulic cylinder II (37) pushes material bin connecting flange II (36) along cross
Direction guiding rail II (38) makees transverse movement with respect to material bin longitudinal movement mounting base II (35)；The power source and the deceleration transmission
Mechanism is installed on the material bin connecting flange II (36).
It is worth noting that other technical characteristics of the revolution rolling broken rock testing stand of TBM hob described in this example and specific
Embodiment five is identical.
A kind of TBM hob revolution rolling broken rock testing stand of the utility model in order to facilitate understanding, now with specific embodiment five
In TBM hob revolution rolling broken rock testing stand explain.
The achievable concrete function of utility model device includes:
1, the switching of hobboing cutter straight line and revolution rolling broken rock test model, in which:
1. hobboing cutter straight line rolls broken rock mode: firstly, adjusting rock by transverse hydraulic cylinder I (9) or longitudinal hydraulic cylinder (29)
Stone material bin II (40) position, so that hobboing cutter (7) is in optimum position relative to the surface to be cut of rock sample (20)；
Under the driving of vertical hydraulic cylinder (1), piston rod pushes the hobboing cutter (7) being fixed on moved cross beam (4) to feed down；Vertically
Hydraulic cylinder (1) applies a quasi-static normal thrust to hobboing cutter (7) by hobboing cutter mounting base (6), so that hobboing cutter (7) contact is simultaneously
Injection rock sample (20) locks vertical hydraulic cylinder (1) later to given cutting-in；Longitudinal hydraulic cylinder (29) is driven, just completes one
Secondary straight line broken rock test；After completing a kerve test, under the driving of transverse hydraulic cylinder I (9), rock material bin II may make
(40) make horizontal transverse movement, so that rock sample (20) be driven to make horizontal transverse movement, be used for simulated implementation difference knife spacing
Sequentially hobboing cutter straight line rolls rock break-off process to lower multitool；
2. hobboing cutter revolution rolling broken rock mode: firstly, adjusting rock by transverse hydraulic cylinder I (9) or longitudinal hydraulic cylinder (29)
Stone material bin II (40) position, so that hobboing cutter (7) is in optimum position relative to the surface to be cut of rock sample (20)；
Under the driving of vertical hydraulic cylinder (1), piston rod pushes the hobboing cutter (7) being fixed on moved cross beam (4) to feed down；Vertically
Hydraulic cylinder (1) applies a quasi-static normal thrust to hobboing cutter (7) by hobboing cutter mounting base (6), so that hobboing cutter (7) contact is simultaneously
Injection rock sample (20) locks vertical hydraulic cylinder (1) later to given cutting-in；In material bin connecting flange I (33) internally-powered
Under the driving of source (not shown), it is connected by power rotation through reduction gearing mechanism and gear I (24), is led to be driven using material bin
Axis (27) drives rock material bin II (40) and rock sample (20) rotation, since hobboing cutter (7) cutting-in is fixed, therefore in moment of friction
Under effect, spinning motion occurs for hobboing cutter (7)；Pass through being stacked around axis revolution and hobboing cutter (7) spinning motion for rock sample (20)
Add, can integrate and realize hobboing cutter revolution rolling broken rock movement；After completing a kerve test, by driving transverse hydraulic cylinder I (9),
Realize that multitool sequentially turns round rolling rock break-off process under different knife spacing.
2, whether there is or not the switchings of hobboing cutter rolling broken rock test model under the conditions of confining pressure, in which:
1. under the conditions of no confining pressure: as shown in figure 3, firstly, passing through 4 clamping load cylinders (17) for rock grip slipper (19)
It is clamped in the warehouse of inner ring support base (15), chucking power is set by load overflow valve regulation, relocks four
The inlet and outlet of fuel channel of a clamping load cylinder (17)；Rock material bin is adjusted by transverse hydraulic cylinder I (9) or longitudinal hydraulic cylinder (29)
II (40) position, so that hobboing cutter (7) is in optimum position relative to the surface to be cut of rock sample (20)；Due to clamping
The piston rod of load cylinder (17) acts on four side walls of rock grip slipper (19), rather than directly acts on rock sample
(20), therefore the correlation test research of hobboing cutter broken rock under the conditions of no confining pressure can be carried out；
2. under the conditions of having confining pressure: as shown in figure 3, firstly, 4 clamping load cylinders (17) of driving, make 4 clamping load oil
The piston rod of cylinder (17) four pieces of steel plates I (39) are pressed in rock sample (20) four sides (its chucking power by load use
Overflow valve regulation setting, chucking power size are no more than 5kN)；It is adjusted by transverse hydraulic cylinder I (9) or longitudinal hydraulic cylinder (29)
Rock material bin II (40) position, so that hobboing cutter (7) is in optimum bit relative to the surface to be cut of rock sample (20)
It sets；The correlation test research of the hobboing cutter broken rock under the conditions of confining pressure can then be carried out；In the present solution, if chucking power is excessive, it can be to rock
The clamping face of stone generates significant Pericardial arrest, to influence test accuracy；If chucking power is too small, rock sample can be caused
(20) loose or dislocation during the test；
It is worth noting that the broken rock test model of the big type of above-mentioned difference can according to need and be overlapped selection,
Such as when can carry out hobboing cutter revolution rolling broken rock under the conditions of confining pressure, hobboing cutter revolution rolling broken rock under the conditions of no confining pressure can also be carried out；
The not stackable selection of broken rock test model under same major class cannot such as carry out linear and revolution rolling broken rock test simultaneously, but
Multiple comparison test is able to carry out under controllable factor to study a certain factor to the shadow of Tool in Cutting performance and catalase mechanism
Rule is rung, for example, repeatedly carrying out in succession with/without hobboing cutter straight line rolling broken rock test under the conditions of confining pressure；
The utility model has the beneficial effect that the utility model is structurally simple, economical practical, in existing TBM normal line
Innovation has been carried out to material bin part on the basis of cutting test platform to improve, and keeps it closer with real working condition, it can be achieved that TBM knife
Tool simulation is with/without hobboing cutter revolution pressure limiting broken rock test under the conditions of confining pressure.On the basis of existing TBM normal line cutting test platform,
Only need to replace rock material bin II (40) provided by the utility model just can be carried out more than broken rock test, do not need to buy new examination
Platform is tested, the utilization rate of the existing equipment greatly improved is energy-saving and environment-friendly.
The preferable concrete mode of the above, only the utility model, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, according to the utility model
Technical solution and its utility model conceive with equivalent substitution or change, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of rock material bin, comprising: the horizontally-supported seat of material bin, material bin driving device, outer support ring, inner support seat,
Connect support column, rock grip slipper, rock support plate, limited roller component, clamping load cylinder, it is characterised in that:
The rock support plate is coaxially fixed in the warehouse of the inner support seat；The inner support seat, the outer support ring
Successively it is coaxially arranged from inside to outside；The connection support column be circumferentially angularly symmetrically arranged at the inner support seat with it is described
Between outer support ring, and the both ends of the connection support column are affixed with the inner support seat and the outer support ring respectively；It is described
Rock grip slipper is square aperture formula warehouse structure, for placing and clamping the rock sample of rectangle；The rock grip slipper is put
It is placed in the warehouse of the inner support seat, the bottom surface of the rock grip slipper is in contact with the rock support plate；The folder
Load cylinder to be held to be arranged in inside the outer support ring, the cylinder body and the inner support seat of the clamping load cylinder are affixed,
Piston rod acts on the side of the rock grip slipper；
The limited roller component includes limited roller seat and is installed in it and can roll around the limit that own axes are freely rotated
Wheel；The limited roller seat is installed on the horizontally-supported seat of the material bin；At least material bin limited roller component described in three groups
It is arranged in circumferentially equiangularly spacedly by the limited roller seat about the central axes of the horizontally-supported seat of the material bin described
On the horizontally-supported seat of material bin, and make the outer peripheral surface of the outer support ring and the limited roller tangent；
The material bin driving device includes material bin transmission main shaft, reduction gearing mechanism, power source, in which: the material bin
Transmission main shaft is circumferentially actively supported on the horizontally-supported seat of the material bin by bearing；The one of the material bin transmission main shaft
End is circumferentially fixed with the inner support seat, and the other end is successively connected by power with the reduction gearing mechanism, the power source.
2. a kind of rock material bin according to claim 1, it is characterised in that: inner support seat center offers interior flower
Keyhole；Internal splined hole on one end of the material bin transmission main shaft and the inner support seat forms spline fitted.
3. a kind of rock material bin according to claim 2, it is characterised in that: the material bin transmission main shaft is by rolling
Bearing is circumferentially actively supported on the horizontally-supported seat of the material bin.
4. a kind of rock material bin according to claim 3, it is characterised in that: arranged on the horizontally-supported seat of material bin
Limited roller component described in having four groups.
5. a kind of rock material bin according to claim 4, it is characterised in that: the limit of the limited roller component
There are two the limited rollers for installation in roller mount.
6. a kind of rock material bin according to claim 2, it is characterised in that: be circumferentially arranged symmetrically on the inner support seat
There are four the clamping load cylinders.
7. a kind of rock material bin according to claim 1, it is characterised in that: the inner support seat and the outer support ring
Between by four connection support columns it is affixed.
8. a kind of rock material bin according to claim 1,2,3,4,5,6 or 7, it is characterised in that: further include compressing steel
Plate I；The bottom of the rock sample of rectangle is placed on the rock support plate in the inner support seat；The clamping adds
It carries oil cylinder the compression steel plate I is pressed on four sides of the rock sample.
9. a kind of rock material bin according to claim 1, it is characterised in that: the rock grip slipper is by four blocks of side steel plates
With one piece of bottom plate is affixed forms.
10. a kind of TBM hob revolution rolling broken rock testing stand, it is characterised in that: horizontal including material bin connecting flange I, material bin
To mobile mounting base I and rock material bin as described in any one of claim 1 to 9；The rock material bin passes through the object
Feed bin connecting flange I is fixed in the material bin transverse shifting mounting base I；The power source and reduction gearing mechanism peace
Loaded on the material bin connecting flange I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920133775.4U CN209342354U (en) | 2019-01-26 | 2019-01-26 | A kind of rock material bin and TBM hob revolution rolling broken rock testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920133775.4U CN209342354U (en) | 2019-01-26 | 2019-01-26 | A kind of rock material bin and TBM hob revolution rolling broken rock testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209342354U true CN209342354U (en) | 2019-09-03 |
Family
ID=67762086
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920133775.4U Expired - Fee Related CN209342354U (en) | 2019-01-26 | 2019-01-26 | A kind of rock material bin and TBM hob revolution rolling broken rock testing stand |
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| Country | Link |
|---|---|
| CN (1) | CN209342354U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506927A (en) * | 2019-01-26 | 2019-03-22 | 湘潭大学 | A kind of rock material bin and TBM hob revolution rolling broken rock testing stand |
| CN111811974A (en) * | 2020-06-29 | 2020-10-23 | 盾构及掘进技术国家重点实验室 | Microwave-assisted TBM hob rock breaking test device |
| CN115060565A (en) * | 2022-08-16 | 2022-09-16 | 昆明理工大学 | Detection equipment and method for pre-splitting blasting model test |
-
2019
- 2019-01-26 CN CN201920133775.4U patent/CN209342354U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506927A (en) * | 2019-01-26 | 2019-03-22 | 湘潭大学 | A kind of rock material bin and TBM hob revolution rolling broken rock testing stand |
| CN111811974A (en) * | 2020-06-29 | 2020-10-23 | 盾构及掘进技术国家重点实验室 | Microwave-assisted TBM hob rock breaking test device |
| CN115060565A (en) * | 2022-08-16 | 2022-09-16 | 昆明理工大学 | Detection equipment and method for pre-splitting blasting model test |
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Granted publication date: 20190903 Termination date: 20220126 |