CN102661151B - Trough precutting test model machine for tunnel construction - Google Patents
Trough precutting test model machine for tunnel construction Download PDFInfo
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- CN102661151B CN102661151B CN201210143730.8A CN201210143730A CN102661151B CN 102661151 B CN102661151 B CN 102661151B CN 201210143730 A CN201210143730 A CN 201210143730A CN 102661151 B CN102661151 B CN 102661151B
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Abstract
The invention discloses a trough pre-cutting test model machine for tunnel construction. The trough pre-cutting test model machine consists of a drive and base support mechanism, a front support arch structure, a rear support arch structure, an arc movement platform structure, an ultra-large torque output structure and a double-strand chain saw structure, wherein the front support arch structure and the rear support arch structure are arranged on the drive and base support mechanism and are connected with the arc movement platform structure in a sliding way; the arc movement platform structure is provided with the ultra-large torque output structure and the double-strand chain saw structure; and the ultra-large torque output structure is in gear engagement connection with the rear support arch structure. Linear guide rails and an electric push rod form a body advancing drive structure which can accurately control the advancing speed and distance, so that the problems of inertial error, low shakeproof performance and complexity in control; the double-strand chain saw structure of the electric rod is adopted, so that cutting with and construction progress are improved; circular arches transmit in a gear engagement way, and an arc guide rail is used, so that the machine can bear large weight and run stably; and the rated toque of the improved biharmonic gear motor can reach about 10,000N.m, and the machine is small in size and occupied space, and easy to operate. The trough pre-cutting test model machine is simple and compact in structure and works stably and reliably.
Description
Technical field
The present invention relates to a kind of large tunnel excavation machinery, particularly relate to a kind of constructing tunnel precutting trough test model machine of precutting trough machine.
Background technology
The tunnel machineization construction of most all adopts shield machine tool construction method, and shield machine tool construction method efficiency of construction is high, and technology is comparatively ripe and have a very high construction reliability; But because the design of practice of construction environment and tunnel cross-section varies, so flexibility, compliance to construction machinery propose higher requirement; And shield machine tool construction can only be manufactured corresponding shield machine tool according to the section of designing requirement, engineering cost is large and the cycle is longer, is unfavorable for recycling of machinery.
Precutting trough technology starts from the U.S. from the fifties, the seventies is developed and application in France.Japan from since the initial stage eighties in introduction of foreign technology, developed the advance support construction technology of applicable national conditions, carried out the relevant not research of the tunnelling technology of consolidating stratum of the degree of depth greatly.
Precutting trough machinery is a kind of advanced person's tunnel construction advance support technology, and it utilizes special chain type cutter to prolong tunnel contour and cuts out a narrow groove, in cutting, supports pre-note arch to penetration concrete in groove to obtain.Precutting trough machinery is highly suitable for the construction on soft soil layer and sandy soil stratum, and simple in structure being easy to combine with other method for tunnel construction, therefore under the background of China's track traffic cause great development, has very wide application prospect.
China lacks the corresponding theoretical research of precutting trough engineering method and experiment porch at present, the design of carrying out former ratio model machine drops into manufactures, capital is large and reliability is lower, provides corresponding parameter of structure design and experimental data to instruct following big machinery design so be badly in need of a kind of precutting trough engineering method experiment porch.
Tunnel excavation need precutting trough basic machine after pre-note arch becomes, enter tunnel in and proceed next stage excavation, so precutting trough machinery must have forward drive structure.Two kinds of common forward drive structures are respectively rail-mounted and step types.What external precutting trough machine generally used is that direct current generator passes through sprocket wheel even flowing to wheel, and the feature of this mode is simple and reliable, but control accuracy is poor.
One of structure that precutting trough machinery is the most key is exactly its working head, can be divided into the chain saw type working head that is directed to soft soil layer and the gang drill formula working head that is directed to ground consisting of hard rock according to the difference of construction object.Traditional chain saw Thickness Ratio is thinner, is generally in 5mm, can only cut out the wide groove of 5mm, cannot meet the demands.
Double chain saw needs the motion platform of fixing it to stretch out to make its incision soil layer to complete the cutting of pre-note arch groove after startup, is recoverable to so that other engineering machinery can be carried out construction operation processing to its section after pre-note arch groove has cut simultaneously.Current large-scale slot-cutting machine mainly adopts hydraulic coupling as the power source stretching out, and the power source volume that hydraulic system forms is larger, is not suitable for small-sized model machine.
Summary of the invention
The object of the invention is to design a kind of simple in structure, easy and simple to handle, forward drive structure running status is steady, when operation, precutting trough is wide, double chain saw is flexible does not use the constructing tunnel precutting trough test model machine that hydraulic coupling is power source.
The object of the invention is to realize.Constructing tunnel precutting trough test model machine of the present invention comprises the micromachine super large torque export structure 4 of patented technology and the double chain saw structure 6 of precutting trough testing machine, and constructing tunnel precutting trough test model machine of the present invention is characterised in that: described constructing tunnel precutting trough test model machine is driven by precutting trough machine and base support mechanism (1), front support arch structure (2), rear support arch structure (3), arcuate movement platform structure (5) and described micromachine super large torque export structure (4) and (6) six structure divisions formations of double chain saw structure; In described precutting trough machine driving and base support mechanism (1), front support arch structure (2) and rear support arch structure (3) are set; The described arcuate movement platform structure (5) that is slidably connected on described front support arch structure (2) and rear support arch structure (3), described arcuate movement platform structure (5) is provided with micromachine super large torque export structure (4) and described double chain saw structure (6); Described micromachine super large torque export structure (4) is connected with a joggle with rear support arch structure (3) gear.
Constructing tunnel precutting trough test model machine of the present invention, wherein said precutting trough machine drives and base support mechanism (1) is made up of line slideway (7), main supporting plate (8), force block (9), front end connection (10), electric push rod (11), rear end connection (12), lower end connection (13), support structure plate (14), cross connecting plate (15) and sliding-rail sliding (16);
Described line slideway (7) has two, parallel described main supporting plate (8) both sides that are fixed in respectively, and it is upper that described sliding-rail sliding (16) is socketed in described line slideway (7), upper three the described sliding-rail slidings of each socket (16) of described every line slideway (7),
Described support structure plate (14) has two, be in respectively described two line slideway 7 tops, described each support structure plate 14 is affixed by three the described sliding-rail slidings (16) on hole K1 and every line slideway (7), described hole K1 is partial to line slideway 7 inner sides and is positioned at support structure plate (14) rear end
Described cross connecting plate (15) two ends are connected with described two support structure plates (14) respectively, described cross connecting plate (15) is provided with its notch three locating slot C1 down, described force block (9) has three, snap in respectively in locating slot C1 and be fixed on described cross connecting plate (15), described force block (9) is provided with locating slot C2, described electric push rod (11) is fixed in by described front end connection (10) in the locating slot C2 of described force block (9), described electric push rod (11) is fixed on main supporting plate (8) by rear end connection (12) and lower end connection (13).
Constructing tunnel precutting trough test model machine of the present invention, wherein said front support arch structure (2) is by connector (18), arc-shaped slide rail category-A (19), arc-shaped slide rail category-B (20), face arch expansion junction plate (21), arc shaped slider (22) and front support arch (23) formation outside connector (17), face arch inside face arch
Described front support arch (23) rear portion is provided with location circular arc step surface C4, described location circular arc step surface C4 is with described arc-shaped slide rail category-A (19) or described arc-shaped slide rail category-B (20) inner arc face is concentric and paste circumferentially affixed described arc-shaped slide rail category-A (19) or described arc-shaped slide rail category-B (20) of merga pass bolt, state institute's arc-shaped slide rail category-A (19) and be equipped with Baltimore groove with arc-shaped slide rail category-B (20) upper and lower surface, described two arc shaped sliders (22) are connected on the Baltimore groove of described arc-shaped slide rail category-A (19) and arc-shaped slide rail category-B (20) and are slidably connected with described arc-shaped slide rail category-A (19) and arc-shaped slide rail category-B (20), inside the locating slot C14 of described front support arch (23) both sides lower end connector (18) outside described face arch and face arch in the locating slot C3 of connector (17) and be fixed in outside described face arch inside connector (18) and face arch on connector (17), inside connector outside described face arch (18) and face arch, connector (17) is fixed in respectively on two described support structure plates (14), the upper face arch expansion junction plate (21) that connects of described two arc shaped sliders (22) of described front support arch structure (2).
Constructing tunnel precutting trough test model machine of the present invention, wherein said rear support arch structure (3) is made up of arc shaped slider (22), gear wheel (24), rear arch right-hand member medial strut members (25), rear arch left end medial strut members (26), rear arch left end lateral strut members (27), rear arch right-hand member lateral strut members (28), rear arch expansion junction plate (29), " little Z-type " arch (30) and " large Z-type " arch (31).
The inner face of a plane of described gear wheel (24) and described " little Z-type " arch (30) pastes merga pass bolt and described " little Z-type " arch (30) top is circumferentially affixed, the location groove face C6 of the medial surface of described " little Z-type " arch (30) and described " large Z-type " arch (31) pastes merga pass bolt and described " large Z-type " arch (31) is circumferentially affixed in bottom, the face of cylinder, the outside C7 of described gear wheel (24) face of cylinder, inner side and described " large Z-type " arch (31) is fitted and connected, described " large Z-type " arch (31) is provided with location circular arc step surface C5, described arc steps face C5 with described arc-shaped slide rail category-A (19) inner arc face concentric and paste merga pass bolt and described " large Z-type " encircle (31) circumferentially affixed, described two arc shaped sliders (22) are slidably connected on described arc-shaped slide rail category-A (19), the upper rear arch expansion junction plate (29) that connects of described two arc shaped sliders (22) of described rear support arch structure (3),
The lower-left end of described rear support arch structure (3), its " large Z-type " arch (31) is placed in the locating slot C8 of rear arch left end medial strut members (26), its " little Z-type " arch (30) is placed in the locating slot C9 of rear arch left end lateral strut members (27) with " Z-type greatly " arch (31) assembly, described rear support arch structure (3) lower-left end is fixed in described rear arch left end medial strut members (26) and rear arch left end lateral strut members (27)
The bottom righthand side of described rear support arch structure (3), its " large Z-type " arch (31) is placed in the locating slot C8 of rear arch right-hand member medial strut members (25), its " little Z-type " arch (30) is placed in the locating slot C9 of rear arch right-hand member lateral strut members (28) with " Z-type greatly " arch (31) assembly, described rear support arch structure (3) bottom righthand side is fixed in described rear arch right-hand member medial strut members (25) and rear arch right-hand member lateral strut members (28), described rear arch left end medial strut members (26) and rear arch left end lateral strut members (27) are fixed in described left side support structure plate (14), described rear arch right-hand member medial strut members (25) and rear arch right-hand member lateral strut members (28) are fixed in described right side support structure plate (14).
Constructing tunnel precutting trough test model machine of the present invention, wherein said arcuate movement platform structure (5) is made up of the main platform of arcuate movement (32), chain saw electricity putting back-end connector (33), chain saw electricity push rod (34), chain saw line slideway (35), the front end connection (36) of chain saw electricity push rod, conversion connector (37), chain saw mechanism gripper shoe (38), space allocation piece (39), connector category-A (40), connector category-B (41) and chain saw guide rail slide block (42)
The main platform of described arcuate movement (32) soffit is provided with P1, P2, P3, P4, P5, six installation sites of P6, described position P1, P2, P3, P4, the upper installation connecting element category-A of P5 (40), described position (P6) upper installation connecting element category-B (41), described position P1, connector category-A (40) on P2 is connected with described face arch expansion junction plate (21), described position P3, P4, connector category-B (41) on connector category-A (40) and described position P6 on P5 is connected with described rear arch expansion junction plate (29), the main platform of described arcuate movement (32) upper surface upper right corner place is connected with micromachine super large torque export structure (4), center is connected with the parallel chain saw line slideway (35) of the two root architecture axis of symmetry, the affixed chain saw electricity putting back-end connector in end, the lower right corner (33), upper chain saw electricity push rod (34) rear end that connects of described chain saw electricity putting back-end connector (33), the front end of described chain saw electricity push rod (34) links with conversion connector (37) by the front end connection (36) of chain saw electricity push rod
On described every chain saw line slideway (35), be slidably socketed respectively two chain saw guide rail slide blocks (42), on four chain saw guide rail slide blocks (42) of described chain saw line slideway (35), be jointly connected with a chain saw mechanism gripper shoe (38), affixed described conversion connector (37) below described chain saw mechanism's gripper shoe (38) front end, four edges of described chain saw mechanism's gripper shoe (38) upper surface are respectively equipped with location slot milling C10, C11, C12, C13, four location slot milling C10 of described chain saw mechanism's gripper shoe (38), C11, C12, in C13, inlay respectively and be connected with a space allocation piece (39), the common affixed double chain saw structure (6) of described four space allocation pieces (39).
Constructing tunnel precutting trough test model machine of the present invention, the input tooth of wherein said micromachine super large torque export structure (4) output pinion and described gear wheel (24) is connected with a joggle.
Constructing tunnel precutting trough test model machine of the present invention, wherein said front support arch structure (2) and rear support arch structure (3) have a synchronous linear movement locus in the driving of precutting trough machine and base support mechanism (1), described arcuate movement platform structure (5) has a synchronous movement in a curve track on described front support arch structure (2) and described rear support arch structure (3), and described double chain saw structure (6) has a synchronous movement in a curve track on described arcuate movement platform structure (5).
Constructing tunnel precutting trough test model machine difference from prior art of the present invention is that constructing tunnel precutting trough test model machine constructing tunnel precutting trough test model machine of the present invention adopts line slideway and electric pushrod to form the forward drive structure of basic machine.Due to the self-locking character of electric pushrod, can be by terminating circuit group the pace to basic machine and distance control accurately, avoided rail-mounted advance inertial error or the step type against shock character of advancing poor and control complicated problem.Adopt double chain saw structure, improved notch width, improved construction speed.The stretching out and regain the structure of linear motion that also adopts line slideway and electric push rod formation of double chain saw motion platform.This is simple and compact for structure, reliable and stable.Arcuate movement mechanism adopts roller gear engaged transmission auxiliary with accurate arc-shaped guide rail, can bear larger weight and move comparatively steady; The two-stage harmonic gear tandem of repacking forms biharmonic reducing motor, can determine torque and can reach 10000N.m left and right, and volume is very little, takes up room little, controls simple.
Below in conjunction with accompanying drawing, the invention will be further described.
Figure 1A is precutting trough experimental model machine general assembly front view.
Fig. 1 is precutting trough experimental model machine general assembly top view.
Fig. 2 is that precutting trough machine drives and base support mechanism top view.
Fig. 3 is that precutting trough machine drives and base support mechanism elevation.
Fig. 4 is that precutting trough machine advances driving and base support mechanism left view.
Fig. 5 is cross connecting plate front view.
Fig. 6 is force block axonometric drawing.
Fig. 7 is front support arch structure elevation.
Fig. 8 is front support arch structure top view.
Fig. 9 is front support arch structure B-B cross-section cutaway view.
Figure 10 is front support arch structure C-C cross-section cutaway view.
Figure 11 is rear support arch structure elevation.
Figure 12 is rear support arch structure top view.
Figure 13 is rear support arch structure D-D cross-section cutaway view.
Figure 14 is rear support arch structure E-E cross-section cutaway view.
Figure 15 is micromachine super large torque export structure elevation.
Figure 16 is micromachine super large torque export structure top view.
Figure 17 is arcuate movement platform structure elevation.
Figure 18 is arcuate movement platform structure top view.
Figure 19 is arcuate movement platform structure F-F cross-section cutaway view.
Figure 20 is arcuate movement platform structure upward view.
Figure 21 is chain saw ejecting mechanism gripper shoe front view.
Figure 22 is double chain saw structural front view.
In figure: 1-precutting trough machine drives and base support mechanism, 2-front support arch structure, 3-rear support arch structure, 4-micromachine super large torque export structure, 5-arcuate movement platform structure, the double chain saw structure of 6-, 7-line slideway, 8-main supporting plate, 9-force block, end connection before 10-, 11-electricity push rod, end connection after 12-, end connection under 13-, 14-support structure plate, 15-cross connecting plate, 16-sliding-rail sliding, connector inside 17-face arch, connector outside 18-face arch, 19-arc-shaped slide rail category-A, 20-arc-shaped slide rail category-B, 21-face arch expansion junction plate, 22-arc shaped slider, 23-front support arch, 24-gear wheel, 25-rear arch right-hand member medial strut members, 26-rear arch left end medial strut members, 27-rear arch left end lateral strut members, 28-rear arch right-hand member lateral strut members, 29-rear arch expansion junction plate, 30-" little Z-type " arch, 31-" large Z-type " arch, the main support platform of 32-arcuate movement platform, 33-chain saw electricity putting back-end connector, 34-chain saw electricity push rod, 35-chain saw line slideway, end connection before 36-chain saw electricity push rod, 37-changes connector, 38-chain saw mechanism gripper shoe, 39-space allocation piece, 40-connector category-A, 41-connector category-B, 42-chain saw straight-line guide rail slide block.
Detailed description of the invention
As shown in Figure 1A, Fig. 1, constructing tunnel precutting trough test model machine of the present invention comprises the micromachine super large torque export structure 4 of patented technology and the double chain saw structure 6 of precutting trough testing machine.Constructing tunnel precutting trough test model machine of the present invention is driven by precutting trough machine and base support mechanism 1, front support arch structure 2, rear support arch structure 3, arcuate movement platform structure 5 and micromachine super large torque export structure 4 and 6 six structure divisions of double chain saw structure form.In the driving of precutting trough machine and base support mechanism 1, front support arch structure 2 and rear support arch structure 3 are set; Arcuate movement platform structure 5 is slidably connected on front support arch structure 2 and rear support arch structure 3; Arcuate movement platform structure 5 is provided with micromachine super large torque export structure 4 and double chain saw structure 6; Micromachine super large torque export structure 4 is connected with a joggle with rear support arch structure 3 gears.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, precutting trough machine drives and base support mechanism 1 is made up of line slideway 7, main supporting plate 8, force block 9, front end connection 10, electric push rod 11, rear end connection 12, lower end connection 13, support structure plate 14, cross connecting plate 15 and sliding-rail sliding 16.
Cross connecting plate 15 two ends are connected with two support structure plates 14 respectively.Cross connecting plate 15 is provided with its notch three locating slot C1 down.Force block 9 has three, snaps in respectively in locating slot C1 and is fixed on cross connecting plate 15.Force block 9 is provided with locating slot C2.Electricity push rod 11 is fixed in the locating slot C2 of force block 9 by front end connection 10.Electricity push rod 11 is fixed on main supporting plate 8 by rear end connection 12 and lower end connection 13.
As shown in Fig. 7, Fig. 8, Fig. 9, Figure 10, front support arch structure 2 is made up of connector 18, arc-shaped slide rail category-A 19, arc-shaped slide rail category-B 20, face arch expansion junction plate 21, arc shaped slider 22 and front support arch 23 outside connector 17, face arch inside face arch.
Front support is encircleed 23 rear portions and is provided with location circular arc step surface C4.Location circular arc step surface C4 is with arc-shaped slide rail category-A 19 or arc-shaped slide rail category-B 20 inner arc faces are concentric and paste the circumferential affixed arc-shaped slide rail category-A 19 of merga pass bolt or arc-shaped slide rail category-B 20.Arc-shaped slide rail category-A 19 is equipped with Baltimore groove with arc-shaped slide rail category-B 20 upper and lower surfaces.Two arc shaped sliders 22 are connected on the Baltimore groove of arc-shaped slide rail category-A 19 and arc-shaped slide rail category-B 20 and are slidably connected with arc-shaped slide rail category-A 19 and arc-shaped slide rail category-B 20.Front support is encircleed in the locating slot C3 of connector 17 inside the locating slot C14 of 23 both sides lower ends connector 18 outside face arch and face arch and is fixed in outside face arch inside connector 18 and face arch on connector 17.Outside face arch, inside connector 18 and face arch, connector 17 is fixed in respectively on two support structure plates 14.On two arc shaped sliders 22 of front support arch structure 2, connect a face arch expansion junction plate 21.
As shown in Figure 11, Figure 12, Figure 13, Figure 14, rear support arch structure 3 is made up of arc shaped slider 22, gear wheel 24, rear arch right-hand member medial strut members 25, rear arch left end medial strut members 26, rear arch left end lateral strut members 27, rear arch right-hand member lateral strut members 28, rear arch expansion junction plate 29, " little Z-type " arch 30 and " large Z-type " arch 31.
A plane of gear wheel 24 pastes merga pass bolt with the inner face of " little Z-type " arch 30 and " little Z-type " arch 30 tops are circumferentially affixed.The medial surface of " little Z-type " arch 30 is circumferentially affixed in bottom with " large Z-type " arch 31 with the location groove face C6 subsides merga pass bolt of " large Z-type " arch 31.Gear wheel 24 faces of cylinder, inner side are fitted and connected with the face of cylinder, the outside C7 of " large Z-type " arch 31." large Z-type " arch 31 is provided with location circular arc step surface C5, and arc steps face C5 is concentric and paste merga pass bolt and " Z-type greatly " and encircle 31 circumferentially affixed with arc-shaped slide rail category-A 19 inner arc faces.Two arc shaped sliders 22 are slidably connected on arc-shaped slide rail category-A 19.On two arc shaped sliders 22 of rear support arch structure 3, connect a rear arch expansion junction plate 29.
The lower-left end of rear support arch structure 3, its " large Z-type " arch 31 is placed in the locating slot C8 of rear arch left end medial strut members 26, and its " little Z-type " arch 30 is placed in the locating slot C9 of rear arch left end lateral strut members 27 with " Z-type greatly " arch 31 assemblys.Rear support arch structure 3 lower-left ends are fixed in rear arch left end medial strut members 26 and rear arch left end lateral strut members 27.
The bottom righthand side of rear support arch structure 3, its " large Z-type " arch 31 is placed in the locating slot C8 of rear arch right-hand member medial strut members 25, and its " little Z-type " arch 30 is placed in the locating slot C9 of rear arch right-hand member lateral strut members 28 with " Z-type greatly " arch 31 assemblys.Rear support arch structure 3 bottom righthand sides are fixed in rear arch right-hand member medial strut members 25 and rear arch right-hand member lateral strut members 28.
Rear arch left end medial strut members 26 and rear arch left end lateral strut members 27 are fixed on left side support structure plate 14.Rear arch right-hand member medial strut members 25 and rear arch right-hand member lateral strut members 28 are fixed on right side support structure plate 14.
As shown in Figure 17, Figure 18, Figure 19, Figure 20, Figure 21, arcuate movement platform structure 5 by the main platform 32 of arcuate movement, chain saw electricity putting back-end connector 33, chain saw electricity push rod 34, chain saw line slideway 35, chain saw electricity push rod before end connection 36, conversion connector 37, chain saw mechanism gripper shoe 38, space allocation piece 39, connector category-A 40, connector category-B 41 and chain saw guide rail slide block 42 form.
On every chain saw line slideway 35, be slidably socketed respectively two chain saw guide rail slide blocks 42.On four chain saw guide rail slide blocks 42 of chain saw line slideway 35, be jointly connected with a chain saw mechanism gripper shoe 38.Affixed conversion connector 37 below chain saw mechanism gripper shoe 38 front ends.Four edges of chain saw mechanism gripper shoe 38 upper surfaces are respectively equipped with location slot milling C10, C11, C12, C13.Locate in slot milling C10, C11, C12, C13 for four of chain saw mechanism gripper shoe 38 and inlay respectively and be connected with a space allocation piece 39.Four common affixed double chain saw structure 6(of space allocation piece 39 are referring to Figure 22).
As shown in Figure 1 and Figure 2, the input tooth of micromachine super large torque export structure 4 output pinions and described gear wheel 24 is connected with a joggle.
Constructing tunnel precutting trough test model machine of the present invention, front support arch structure 2 and rear support arch structure 3 have a synchronous linear movement locus in the driving of precutting trough machine and base support mechanism 1.Arcuate movement platform structure 5 has a synchronous movement in a curve track on front support arch structure 2 and rear support arch structure 3.Double chain saw structure 6 has a synchronous movement in a curve track on arcuate movement platform structure 5.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skill in the art make technical scheme of the present invention, all should fall in the definite protection domain of the claims in the present invention book.
Note: the patent name of micromachine super large torque export structure 4 is the micromachine super large torque export structure of constructing tunnel precutting trough test model machine.
The patent name of double chain saw structure 6 is the double chain saw of constructing tunnel precutting trough test model machine.
Claims (6)
1. a constructing tunnel precutting trough test model machine, the double chain saw structure (6) that comprises micromachine super large torque export structure (4) and precutting trough testing machine, is characterized in that: described constructing tunnel precutting trough test model machine is driven by precutting trough machine and base support mechanism (1), front support arch structure (2), rear support arch structure (3), arcuate movement platform structure (5) and described micromachine super large torque export structure (4) and (6) six structure divisions formations of double chain saw structure; In described precutting trough machine driving and base support mechanism (1), front support arch structure (2) and rear support arch structure (3) are set; The described arcuate movement platform structure (5) that is slidably connected on described front support arch structure (2) and rear support arch structure (3), described arcuate movement platform structure (5) is provided with micromachine super large torque export structure (4) and described double chain saw structure (6); Described micromachine super large torque export structure (4) is connected with a joggle with rear support arch structure (3) gear;
Described precutting trough machine drives and base support mechanism (1) is made up of line slideway (7), main supporting plate (8), force block (9), front end connection (10), electric push rod (11), rear end connection (12), lower end connection (13), support structure plate (14), cross connecting plate (15) and sliding-rail sliding (16);
Described line slideway (7) has two, parallel described main supporting plate (8) both sides that are fixed in respectively, and it is upper that described sliding-rail sliding (16) is socketed in described line slideway (7), upper three the described sliding-rail slidings of each socket (16) of described every line slideway (7),
Described support structure plate (14) has two, be in respectively described two line slideways (7) top, described each support structure plate (14) is affixed by three the described sliding-rail slidings (16) on hole K1 and every line slideway (7), described hole K1 is partial to line slideway (7) inner side and is positioned at support structure plate (14) rear end
Described cross connecting plate (15) two ends are connected with described two support structure plates (14) respectively, described cross connecting plate (15) is provided with its notch three locating slot C1 down, described force block (9) has three, snap in respectively in locating slot C1 and be fixed on described cross connecting plate (15), described force block (9) is provided with locating slot C2, described electric push rod (11) is fixed in by described front end connection (10) in the locating slot C2 of described force block (9), described electric push rod (11) is fixed on main supporting plate (8) by rear end connection (12) and lower end connection (13),
Described rear support arch structure (3) is made up of arc shaped slider (22), gear wheel (24), rear arch right-hand member medial strut members (25), rear arch left end medial strut members (26), rear arch left end lateral strut members (27), rear arch right-hand member lateral strut members (28), rear arch expansion junction plate (29), " little Z-type " arch (30) and " large Z-type " arch (31);
The inner face of a plane of described gear wheel (24) and described " little Z-type " arch (30) pastes merga pass bolt and described " little Z-type " arch (30) top is circumferentially affixed, the location groove face C6 of the medial surface of described " little Z-type " arch (30) and described " large Z-type " arch (31) pastes merga pass bolt and described " large Z-type " arch (31) is circumferentially affixed in bottom, the face of cylinder, the outside C7 of described gear wheel (24) face of cylinder, inner side and described " large Z-type " arch (31) is fitted and connected, described " large Z-type " arch (31) is provided with location circular arc step surface C5, described arc steps face C5 with described arc-shaped slide rail category-A (19) inner arc face concentric and paste merga pass bolt and described " large Z-type " encircle (31) circumferentially affixed, described two arc shaped sliders (22) are slidably connected on described arc-shaped slide rail category-A (19), the upper rear arch expansion junction plate (29) that connects of described two arc shaped sliders (22) of described rear support arch structure (3),
The lower-left end of described rear support arch structure (3), its " large Z-type " arch (31) is placed in the locating slot C8 of rear arch left end medial strut members (26), its " little Z-type " arch (30) is placed in the locating slot C9 of rear arch left end lateral strut members (27) with " Z-type greatly " arch (31) assembly, described rear support arch structure (3) lower-left end is fixed in described rear arch left end medial strut members (26) and rear arch left end lateral strut members (27)
The bottom righthand side of described rear support arch structure (3), its " large Z-type " arch (31) is placed in the locating slot C8 of rear arch right-hand member medial strut members (25), its " little Z-type " arch (30) is placed in the locating slot C9 of rear arch right-hand member lateral strut members (28) with " Z-type greatly " arch (31) assembly, described rear support arch structure (3) bottom righthand side is fixed in described rear arch right-hand member medial strut members (25) and rear arch right-hand member lateral strut members (28), described rear arch left end medial strut members (26) and rear arch left end lateral strut members (27) are fixed in described left side support structure plate (14), described rear arch right-hand member medial strut members (25) and rear arch right-hand member lateral strut members (28) are fixed in described right side support structure plate (14).
2. constructing tunnel precutting trough test model machine according to claim 1, it is characterized in that: described front support arch structure (2) is by connector (18), arc-shaped slide rail category-A (19), arc-shaped slide rail category-B (20), face arch expansion junction plate (21), arc shaped slider (22) and front support arch (23) formation outside connector (17), face arch inside face arch
Described front support arch (23) rear portion is provided with location circular arc step surface C4, described location circular arc step surface C4 is with described arc-shaped slide rail category-A (19) or described arc-shaped slide rail category-B (20) inner arc face is concentric and paste circumferentially affixed described arc-shaped slide rail category-A (19) or described arc-shaped slide rail category-B (20) of merga pass bolt, described arc-shaped slide rail category-A (19) is equipped with Baltimore groove with arc-shaped slide rail category-B (20) upper and lower surface, described two arc shaped sliders (22) are connected on the Baltimore groove of described arc-shaped slide rail category-A (19) and arc-shaped slide rail category-B (20) and are slidably connected with described arc-shaped slide rail category-A (19) and arc-shaped slide rail category-B (20), inside the locating slot C14 of described front support arch (23) both sides lower end connector (18) outside described face arch and face arch in the locating slot C3 of connector (17) and be fixed in outside described face arch inside connector (18) and face arch on connector (17), inside connector outside described face arch (18) and face arch, connector (17) is fixed in respectively on two described support structure plates (14), the upper face arch expansion junction plate (21) that connects of described two arc shaped sliders (22) of described front support arch structure (2).
3. constructing tunnel precutting trough test model machine according to claim 2, it is characterized in that: described arcuate movement platform structure (5) is made up of the main platform of arcuate movement (32), chain saw electricity putting back-end connector (33), chain saw electricity push rod (34), chain saw line slideway (35), the front end connection (36) of chain saw electricity push rod, conversion connector (37), chain saw mechanism gripper shoe (38), space allocation piece (39), connector category-A (40), connector category-B (41) and chain saw guide rail slide block (42)
The main platform of described arcuate movement (32) soffit is provided with P1, P2, P3, P4, P5, six installation sites of P6, described position P1, P2, P3, P4, the upper installation connecting element category-A of P5 (40), the upper installation connecting element category-B (41) of described position P6, described position P1, connector category-A (40) on P2 is connected with described face arch expansion junction plate (21), described position P3, P4, connector category-B (41) on connector category-A (40) and described position P6 on P5 is connected with described rear arch expansion junction plate (29), the main platform of described arcuate movement (32) upper surface upper right corner place is connected with micromachine super large torque export structure (4), center is connected with the parallel chain saw line slideway (35) of the two root architecture axis of symmetry, the affixed chain saw electricity putting back-end connector in end, the lower right corner (33), the upper connection of described chain saw electricity putting back-end connector (33) chain saw electricity push rod (34) rear end, the front end of described chain saw electricity push rod (34) links with conversion connector (37) by the front end connection (36) of chain saw electricity push rod,
On described every chain saw line slideway (35), be slidably socketed respectively two chain saw guide rail slide blocks (42), on four chain saw guide rail slide blocks (42) of described chain saw line slideway (35), be jointly connected with a chain saw mechanism gripper shoe (38), affixed described conversion connector (37) below described chain saw mechanism's gripper shoe (38) front end, four edges of described chain saw mechanism's gripper shoe (38) upper surface are respectively equipped with location slot milling C10, C11, C12, C13, four location slot milling C10 of described chain saw mechanism's gripper shoe (38), C11, C12, in C13, inlay respectively and be connected with a space allocation piece (39), the common affixed double chain saw structure (6) of described four space allocation pieces (39).
4. constructing tunnel precutting trough test model machine according to claim 1, is characterized in that: the input tooth of described micromachine super large torque export structure (4) output pinion and described gear wheel (24) is connected with a joggle.
5. according to the constructing tunnel precutting trough test model machine described in claim 1 or 2 or 3, it is characterized in that: described front support arch structure (2) and rear support arch structure (3) have a synchronous linear movement locus in the driving of precutting trough machine and base support mechanism (1), described arcuate movement platform structure (5) has a synchronous movement in a curve track on described front support arch structure (2) and described rear support arch structure (3), and described double chain saw structure (6) has a synchronous movement in a curve track on described arcuate movement platform structure (5).
6. constructing tunnel precutting trough test model machine according to claim 4, it is characterized in that: described front support arch structure (2) and rear support arch structure (3) have a synchronous linear movement locus in the driving of precutting trough machine and base support mechanism (1), described arcuate movement platform structure (5) has a synchronous movement in a curve track on described front support arch structure (2) and described rear support arch structure (3), and described double chain saw structure (6) has a synchronous movement in a curve track on described arcuate movement platform structure (5).
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| CN201210143730.8A CN102661151B (en) | 2012-05-10 | 2012-05-10 | Trough precutting test model machine for tunnel construction |
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| CN104121024A (en) * | 2014-08-07 | 2014-10-29 | 中国铁建重工集团有限公司 | Stand column adjusting mechanism for groove pre-cutting machine and groove pre-cutting machine |
| CN113246314B (en) * | 2021-07-02 | 2021-10-26 | 中铁工程服务有限公司 | Chain saw cutting machine and cutting method and cutting device thereof |
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| JPH02167994A (en) * | 1988-12-21 | 1990-06-28 | Nippon Kensetsu Kikaika Kyokai | Arch type cutter for tunnel propulsion with double chain cutter |
| JPH02240396A (en) * | 1989-03-14 | 1990-09-25 | Nippon Kensetsu Kikaika Kyokai | Method and apparatus for excavating arch-type tunnel |
| JPH10252377A (en) * | 1997-03-13 | 1998-09-22 | Hazama Gumi Ltd | Tunnel boring machine |
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