CN204000500U - The excavating gear that adapts to the flexible bottom girder of band of the narrow scope of operation of railway tunnel - Google Patents
The excavating gear that adapts to the flexible bottom girder of band of the narrow scope of operation of railway tunnel Download PDFInfo
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- CN204000500U CN204000500U CN201420476760.5U CN201420476760U CN204000500U CN 204000500 U CN204000500 U CN 204000500U CN 201420476760 U CN201420476760 U CN 201420476760U CN 204000500 U CN204000500 U CN 204000500U
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Abstract
The excavating gear that adapts to the flexible bottom girder of band of the narrow scope of operation of railway tunnel, it comprises traveller mechanism (9), this traveller mechanism (9) connects brace summer (1), this brace summer (1) one end connects rising guide groove (6), this brace summer (1) other end connects decline guide groove (3), rising guide groove (6) is linked together by the bottom girder that stretches (5) with the bottom of decline guide groove (3), rising guide groove (6) is equipped with digger chain with decline guide groove (3) and flexible bottom girder (5) inside, this digger chain ringwise, chain tensioning mechanism is also equipped with on decline guide groove (3) top, rising guide groove (6) and decline guide groove (3), flexible bottom girder (5) and brace summer (1) are hexagon in transverse plane, described excavating gear is laterally arranged on the vehicle frame of working vehicle by traveller mechanism (9).During the operation of excavating gear provided by the utility model, only need disconnect the section of track, and by the section of track by excavating the space between guide groove, solved puzzlement China railways tunnel maintenance industry technical barrier for many years, reduce hand labor intensity.
Description
Technical field
The utility model relates to a kind of excavating gear, and particularly a kind of excavating gear that can operation in the narrow scope of operations such as railway tunnel, belongs to railway machinery design and manufacturing technology field.
Background technology
Based on visual poor, the feature such as closure is strong and inner space is narrow and small in railway tunnel, in railway tunnel, mechanized maintenance operation is limited by very large, according to degree of difficulty, divide, in railway tunnel, the processing of railway ballast is a maximum difficult problem, in railway tunnel, railway ballast processing is blank spot and the blind area of the permanent way machine medium-capital overhauling operation of current China, and in railway tunnel, railway ballast is processed the maximum bottleneck that has become restriction mechanized maintenance.Therefore design and develop a kind of machine that can the narrow and small scope of operation is carried out railway ballast processing in railway tunnel, become the urgent need that solves railway ballast processing in China railways tunnel.And the bottom girder digger chain that mostly adopts band sealing guide groove is excavated at the current domestic railway ballast pillow end, wherein, when excacation starts, bottom girder need to be moved in railway roadbed and install, and when excacation is complete, need again dismantle bottom girder and shifted out outside railway roadbed.For the small space in tunnel, this traditional excavating gear and railway ballast treating apparatus are also inapplicable.Therefore design and develop a kind of railway ballast processor that is suitable for narrow scope of operation operation in tunnel very necessary.
Application number is that 201320607073.8 Chinese utility model patent discloses a kind of excavating gear, it comprises the horizontal guide groove being arranged on excavation guide groove, described excavation guide groove comprises rising guide groove and decline guide groove, this rising guide groove and decline guide groove lay respectively at vehicle frame both sides, described rising guide groove is all connected horizontal guide groove with decline guide groove end, described horizontal guide groove comprises guiding device, described horizontal guide groove by movable guide groove and fixedly guide groove connect to form.While starting digging operation, rising guide groove and decline guide groove are lowered into operating position by car body both sides, manually open the left and right movable guide groove of spiral-lock on left and right horizontal guide groove, and left and right movable guide groove and left and right fixedly guide groove are located along the same line, then start operation.It is too heavy because excavating bottom girder that this excavating gear is avoided, and manually installs, dismantles the problem wasting time and energy, but can not adapt to the operating environment of the narrow scope of operation in tunnel.
Utility model content
The utility model is improved for above-mentioned defect, and a kind of excavating gear that adapts to the flexible bottom girder of band of the narrow scope of operation of railway tunnel is provided.It can be narrow and small in railway tunnel the scope of operation carry out digging operation, to overcome in current China railways tunnel, artificial railway ballast processing operation environment is poor, operating efficiency is low and operation quality is difficult to the problem guaranteeing.
In the utility model, stipulating: the direction that is parallel to railway track is for longitudinally, be horizontal perpendicular to the direction of railway track, perpendicular to the direction on ground, is vertical; Direction away from center line between two rails is outside, and between close two rails, the direction of center line is inner side.
The excavating gear of the flexible bottom girder of band of the narrow scope of operation of adaptation railway tunnel that the utility model provides, it comprises traveller mechanism, this traveller mechanism connects brace summer, this brace summer one end connects rising guide groove, this brace summer other end connects decline guide groove, the bottom of described rising guide groove and described decline guide groove is linked together by the bottom girder that stretches, digger chain is equipped with in described rising guide groove and described decline guide groove and described flexible bottom girder inside, this digger chain ringwise, chain tensioning mechanism is also equipped with on described decline guide groove top, for digger chain described in tensioning, make itself and driving mechanism engagement well, avoid de-tooth, chain drive is also housed on described brace summer, described rising guide groove and described decline guide groove are symmetrical about the longitudinal centre line of described brace summer, described rising guide groove and described decline guide groove, described flexible bottom girder and described brace summer are hexagon in transverse plane, thereby the annular digger chain that makes to be flush-mounted in is wherein hexagon, described excavating gear is laterally arranged on the vehicle frame of working vehicle by described traveller mechanism, and described traveller mechanism makes to move under described excavating gear in the vertical direction.
Preferably, described hexagon middle part width is large, lower width is little, during operation, ring chain digging mechanism and railway roadbed cross section are the angle that is not more than 3 °, the section of track of the disconnection of being lifted by a track lining device can pass through from the large middle and lower part of guide groove width, and the little bottom of width can adapt to the narrow and small scope of operation in railway tunnel.
Preferably, the width of described hexagon middle and lower part is greater than the width of the section of track.
Preferably, described traveller mechanism is about symmetrical two covers of installing of cross central line of described brace summer, and described traveller mechanism is about symmetrical two covers of installing of longitudinal centre line of described brace summer, the both sides, front and back, two ends that are described brace summer comprise quadruplet traveller mechanism altogether, to make described excavating gear stably rise, decline.
Preferably, described traveller mechanism comprises the bearing that is packed in vehicle frame top, traveller is equipped with in this bearing below, this traveller is contained in the outer sleeve of described brace summer, described traveller below connects bearing, this bearing is connected to described vehicle frame below, described brace summer 1 front and back two middle side parts all connect oil cylinder, this oil cylinder elongates or shortens and drives brace summer to slide up and down along the traveller in described sleeve outward, thereby regulate the horizontal level of brace summer and whole excavating gear and described vehicle frame, the convenient excavation depth needing that excavating gear is adjusted to.
Preferably, described rising guide groove comprises support I and support II, this support I and support II are welded on the both sides on sealing cell body top, angle roller is equipped with in bending part inner side, described sealing cell body middle part, the effect of this angle roller is to make annular digger chain can smoothly pass through bending part, reduce impact force and the abrasion of annular digger chain to sealing cell body, the below of described sealing cell body connects to hold together tiny fragments of stone, coal, etc. plate I, describedly hold together tiny fragments of stone, coal, etc. plate I for gathering the stone tiny fragments of stone, coal, etc., being convenient to annular digger chain excavates the stone tiny fragments of stone, coal, etc. to carry, described support I and support II include concentric pin shaft hole, this concentric pin shaft hole is connected to described brace summer by bearing pin.
Preferably, described decline guide groove comprises support I and support II, this support I and support II are welded on the both sides on sealing cell body top, chain stretching device is equipped with on described sealing cell body top, angle roller is equipped with in bending part inner side, described sealing cell body middle part, the effect of this angle roller is to make annular digger chain can smoothly pass through bending part, reduce impact force and the abrasion of annular digger chain to sealing cell body, tiny fragments of stone, coal, etc. plate II is installed in the below of described sealing cell body, describedly hold together tiny fragments of stone, coal, etc. plate II for gathering the stone tiny fragments of stone, coal, etc., being convenient to annular digger chain excavates the stone tiny fragments of stone, coal, etc. to carry, described support I and support II include concentric pin shaft hole, this concentric pin shaft hole is connected to described brace summer by bearing pin.
More preferably, described in, hold together tiny fragments of stone, coal, etc. plate I with described in to hold together tiny fragments of stone, coal, etc. plate II structure different.
Preferably, described rising guide groove and described decline guide groove are around the bearing pin rotation that is connected in brace summer, and its effect is to lay annular digger chain, and when operation, makes digger chain that the stone tiny fragments of stone, coal, etc. is transported to rising top of guide slot.
Preferably, described chain stretching device comprises the slide plate being fixed on sealing cell body, by pressing plate, be pressed in the support on slide plate, installing sleeve on support, two bearings are housed in this sleeve, bearing pin is contained in two bearings, at bearing pin front end, changed course sprocket wheel is installed, when rotating, digger chain drives the rotation of changed course sprocket wheel, changed course sprocket wheel drives bearing pin to rotate in bearing, between the sealing cell body of decline guide groove and support, install and drive oil cylinder II, by driving, oil cylinder II is flexible can make support move forward and backward with tensioning or loosen digger chain.
Preferably, described brace summer comprises front beam slab and rear beam slab, this front beam slab is connected with plate II by the plate I that is positioned at the left and right sides with rear beam slab, plate I and plate II and horizontal plane are obliquely installed, described front beam slab and rear beam slab comprise concentric pin shaft hole, the concentric pin shaft hole that described front beam slab and rear beam slab are corresponding is concentric with the concentric pin shaft hole of described support I and support II, and setting-in bearing pin in these pin shaft holes, so that described rising guide groove and decline guide groove are installed, the central space forming between described front beam slab and described rear beam slab and described plate I and plate II forms the tiny fragments of stone, coal, etc. bucket that falls, the railway ballast that annular digger chain carries topmost falls at excavating gear under Action of Gravity Field, by the described tiny fragments of stone, coal, etc. bucket that falls, dish out.
Preferably, described brace summer is positioned at plate II one side described chain drive is housed, plate II one side connects rising guide groove, described chain drive connects drive sprocket, by described drive sprocket, drives the annular digger chain in guide groove excavate and carry railway ballast to the material-falling hopper of brace summer 1 formation.
Preferably, described annular digger chain is installed in the grooved space of rising guide groove, decline guide groove, flexible bottom girder, is connected to form an annular, and annular is excavated chain and under chain drive drives, the railway roadbed stone tiny fragments of stone, coal, etc. dug out and is transported in the material-falling hopper in brace summer.
Preferably, between described rising guide groove and vehicle frame, be connected sideslip oil cylinder, during operation, make excavating gear stable, the flexible guide groove that can make to rise by sideslip oil cylinder rotates with the bearing pin that decline guide groove is connected with brace summer around guide groove, thereby make to rise guide groove and decline guide groove swing, make excavating gear pass through curve section, described sideslip oil cylinder is positioned at transverse plane.
Preferably, between described rising guide groove and vehicle frame, be connected support cylinder, this support cylinder is positioned at plane longitudinally, plays fixedly excavating gear during operation.
Preferably, between described decline guide groove and vehicle frame, be also connected support cylinder, this support cylinder is positioned at plane longitudinally, plays fixedly excavating gear during operation.
Preferably, described flexible bottom girder is hinged by the bottom of bearing pin and described rising guide groove and described decline guide groove.Preferably, between described flexible bottom girder and described rising guide groove, by bent angle guide groove I, be connected, the effect of this bent angle guide groove I is to make annular digger chain smoothly be transitioned into rising guide groove from flexible bottom girder.
Preferably, between described flexible bottom girder and described decline guide groove, by bent angle guide groove II, be connected, the effect of this bent angle guide groove II makes annular digger chain be transitioned into flexible bottom girder from decline guide groove is smooth-going.
Preferably, bent angle guide groove I is identical with bent angle guide groove II structure and be arranged symmetrically with about the longitudinal centre line of described excavating gear.
Preferably, between the bent angle guide groove I of described flexible bottom girder and bent angle guide groove II, be connected telescoping mechanism.
Preferably, described telescoping mechanism comprises outer sleeve and is inlaid in the inner sleeve in outer sleeve, between described outer sleeve and described inner sleeve, by driving oil cylinder, connected, drive oil cylinder to order about inner sleeve reciprocatingly slides in outer sleeve, thereby the length of described flexible bottom girder is changed, adapt to the job requirements of different in width railway roadbed section.
Preferably, described outer sleeve is packed in described bent angle guide groove II outside, and described inner sleeve is packed in described bent angle guide groove I outside.
The working method of the excavating gear of the flexible bottom girder of band of the narrow scope of operation of adaptation railway tunnel provided by the utility model is: before entering the narrow scope of operations such as tunnel, the rail that starts excavation position is cut, by track lifting and lining machine structure, the section of track is lifted, open traveller mechanism, rising guide groove and decline guide groove are transferred to suitable job position, and the section of track lifting is passed from the large position of width between rising guide groove and decline guide groove, starting chain drive makes annular digger chain start operation, railway ballast is dug out by annular digger chain and moves to brace summer top along the sealing cell body of rising guide groove always, the railway ballast that is arranged in the annular digger chain of brace summer top falls under gravity into the tiny fragments of stone, coal, etc. bucket that falls of described brace summer, via the tiny fragments of stone, coal, etc. bucket that falls, arrive again the position of appointment.
In order to adapt to the railway roadbed operation of different section of track width, can regulate flexible bottom girder, thereby by driving the flexible width changing between rising guide groove and decline guide groove of oil cylinder, adapt to the digging operation of different in width railway roadbed, saved widely working space.
More multioperation is all known for those of ordinary skills, repeats no more.
The technical scheme of the excavating gear of the flexible bottom girder of band of the narrow scope of operation of adaptation railway tunnel provided by the utility model comprises any combination of each part mentioned above, and the simple change of each part mentioned above assembly or combination are still protection domain of the present utility model.
During the operation of the excavating gear of the flexible bottom girder of the band of the narrow scope of operation of adaptation railway tunnel provided by the utility model, ring chain digging mechanism and railway roadbed cross section are very little angle, the section of track of the disconnection of being lifted by a track lining device can pass through from the large middle and lower part of guide groove width, and the little bottom of width can adapt to the narrow and small scope of operation in railway tunnel, the excavation width of excavating gear can change by the flexible of bottom girder simultaneously.The conventional process mode that has changed railway ballast in China tunnel, greatly improves digging efficiency, avoids adopting the mode of manual work; And excavating gear provided by the invention need not installed and excavate guide groove and bottom girder before operation, after operation, remove again and excavate guide groove and bottom girder, only need to disconnect the section of track, and the section of track is passed through to excavate the space between guide groove, then by excavating gear operation, greatly improve digging efficiency, while avoiding adopting manual work, be subject to the impact that railway roadbed side slope both sides tunnel drainage ditch takies horizontal construction area, started the beginning of the do mechanization operation in narrow tunnel, solve puzzlement China railways tunnel maintenance industry technical barrier for many years, reduced hand labor intensity.
Accompanying drawing explanation
Fig. 1 is according to the axle geodesic structure schematic diagram of a preferred embodiment of the excavating gear of the flexible bottom girder of the band of the narrow scope of operation operation of adaptation railway tunnel of the present utility model.
Fig. 2 is mounting structure schematic diagram embodiment illustrated in fig. 1.
Fig. 3 is the structural representation of flexible bottom girder embodiment illustrated in fig. 1.
Fig. 4 is the structural representation of traveller mechanism embodiment illustrated in fig. 1.
Fig. 5 is the structural representation of rising guide groove embodiment illustrated in fig. 1.
Fig. 6 is the structural representation of decline guide groove embodiment illustrated in fig. 1.
Fig. 7 is the structure chart of brace summer embodiment illustrated in fig. 1.
Fig. 8 is the structure chart of tensioning apparatus embodiment illustrated in fig. 1.
Mark in Fig. 1-Fig. 8 represents respectively:
1 brace summer 2 chain stretching devices
The annular digger chain of 3 decline guide groove 4
5 flexible bottom girder 6 rising guide grooves
7 chain drive 8 oil cylinders
9 traveller mechanism 10 sideslip oil cylinders
11 support cylinder 12 vehicle frames
13 bent angle guide groove I 14 inner sleeves
15 drive oil cylinder 16 outer sleeves
17 bent angle guide groove II
11 ' bearing I, 12 ' overcoat is virgin
13 ' traveller, 14 ' bearing II
15 ' support I, 16 ' support II
17 ' sealing cell body 18 ' angle roller
19 ' hold together tiny fragments of stone, coal, etc. plate I 20 ' support II
22 ' sealing cell body
23 ' angle roller 24 ' hold together tiny fragments of stone, coal, etc. plate II
25 ' pin shaft hole I, 26 pin shaft hole II
27 ' plate I 28 ' rear beam slab
29 ' plate II, 30 ' pin shaft hole III
31 ' drive sprocket, 32 ' pin shaft hole IV
33 ' front beam slab 34 ' driving oil cylinder II
35 ' slide plate, 36 ' support
38 ' bearing, 39 ' sleeve
40 ' bearing, 43 ' bearing pin
44 ' changed course sprocket wheel.
The specific embodiment
In order to understand better the utility model, below in conjunction with accompanying drawing, describe respectively the preferred embodiment of cutting excavating gear according to the utility model side in detail.
embodiment 1.1fig. 1, Fig. 2 is according to the structural representation of a preferred embodiment of the excavating gear of the flexible bottom girder of the band of the narrow scope of operation operation of adaptation railway tunnel of the present utility model, in the present embodiment, the excavating gear that adapts to the flexible bottom girder of band of the narrow scope of operation of railway tunnel comprises traveller mechanism 9, this traveller mechanism 9 connects brace summer 1, this brace summer 1 one end connects rising guide groove 6, this brace summer 1 other end connects decline guide groove 3, rising guide groove 6 is linked together by the bottom girder 5 that stretches with the bottom of decline guide groove 3, rising guide groove 6 is equipped with digger chain with decline guide groove 3 and flexible bottom girder 5 inside, this digger chain ringwise, chain tensioning mechanism is also equipped with on decline guide groove 3 tops, for digger chain described in tensioning, make itself and driving mechanism engagement well, avoid de-tooth, chain drive 7 is also housed on brace summer 1, rising guide groove 6 is symmetrical about the longitudinal centre line of brace summer 1 with decline guide groove 3, rising guide groove 6 and decline guide groove 3, flexible bottom girder 5 and brace summer 1 are hexagon in transverse plane, thereby the annular digger chain 4 that makes to be flush-mounted in is wherein hexagon, described excavating gear is laterally arranged on the vehicle frame 12 of working vehicle by traveller mechanism 9, and traveller mechanism 9 makes to move under described excavating gear in the vertical direction.
In the present embodiment, described hexagon middle part width is large, lower width is little, during operation, ring chain digging mechanism and railway roadbed cross section are the angle that is not more than 3 °, the section of track of the disconnection of being lifted by a track lining device can pass through from the large middle and lower part of guide groove width, and the little bottom of width can adapt to the narrow and small scope of operation in railway tunnel.
In the present embodiment, the width of described hexagon middle and lower part is greater than the width of the section of track.
As shown in Figure 4, in the present embodiment, traveller mechanism 9 is about symmetrical two covers of installing of cross central line of brace summer 1, and traveller mechanism 9 is about symmetrical two covers of installing of longitudinal centre line of brace summer 1, the both sides, front and back, two ends that are brace summer 1 comprise quadruplet traveller mechanism 9 altogether, to make described excavating gear stably rise, decline.
In the present embodiment, traveller mechanism 9 comprise be packed in the bearing 11 of vehicle frame 12 tops ', this bearing 11 ' below be equipped with traveller 13 ', the outer sleeve 12 of this traveller 13 ' be contained in brace summer 1 ' in, traveller 13 ' below connection bearing 14 ', this bearing 14 ' be connected to vehicle frame 12 belows, brace summer 1 front and back two middle side parts all connect oil cylinder 8, oil cylinder 8 elongates or shortens and drives brace summer 1 along the traveller 13 of sleeve 12 ' interior ' slide up and down outward, thereby regulate the horizontal level of brace summer 1 and whole excavating gear and vehicle frame 12, the convenient excavation depth needing that excavating gear is adjusted to.
As shown in Figure 5, in the present embodiment, rising guide groove 6 comprise support I 15 ' and support II 16 ', this support I 15 ' and support II 16 ' be welded on both sides on sealing cell body 17 ' top, sealing cell body 17 middle part bending parts inner sides be equipped with angle roller 18 ', this angle roller 18 ' effect be to make annular digger chain 4 can smoothly pass through bending part, reduce 4 pairs of annular digger chains sealing cell bodies 17 ' impact force and abrasion, sealing cell body 17 ' below connect to hold together tiny fragments of stone, coal, etc. plate I 19 ', hold together tiny fragments of stone, coal, etc. plate I 19 ' for for gathering the stone tiny fragments of stone, coal, etc., being convenient to annular digger chain excavates the stone tiny fragments of stone, coal, etc. to carry, the concentric pin shaft hole of support I 15 ' and support II 16 ' include, this concentric pin shaft hole is connected to brace summer 1 by bearing pin.
As shown in Figure 6, in the present embodiment, decline guide groove 3 comprise support I and support II 20 ', the both sides on this support I and support II 20 ' be welded on sealing cell body 22 ' top, chain stretching device 2 is equipped with on sealing cell body 22 ' top, sealing cell body 22 ' middle part bending part inner side be equipped with angle roller 23 ', this angle roller 23 ' effect be to make annular digger chain 4 can smoothly pass through bending part, reduce 4 pairs of annular digger chains sealing cell bodies 22 ' impact force and abrasion, sealing cell body 22 ' below install tiny fragments of stone, coal, etc. plate II 24 ', hold together tiny fragments of stone, coal, etc. plate II 24 ' for gathering the stone tiny fragments of stone, coal, etc., being convenient to annular digger chain excavates the stone tiny fragments of stone, coal, etc. to carry, the concentric pin shaft hole of described support I and support II 20 ' include, this concentric pin shaft hole is connected to brace summer 1 by bearing pin.
In the present embodiment, preferably, hold together that tiny fragments of stone, coal, etc. plate I 19 ' tiny fragments of stone, coal, etc. plate II 24 ' structure is different with holding together.
In the present embodiment, rising guide groove 6 and decline guide groove 3 are around the bearing pin rotation that is connected in brace summer 1, and its effect is to lay annular digger chain, and when operation, makes digger chain that the stone tiny fragments of stone, coal, etc. is transported to rising top of guide slot.
As shown in Figure 8, in the present embodiment, chain stretching device 2 comprise be fixed on sealing cell body 22 ' on slide plate 35 ', by pressing plate be pressed in slide plate 35 ' on support 36 ', support 36 ' on installing sleeve 39 ', two bearings 38 of this sleeve 39 ' be inside equipped with ' and 40 ', bearing pin 43 ' be contained in two bearings, bearing pin 43 ' front end install changed course sprocket wheel 44 ', when digger chain 4 rotation, drive changed course sprocket wheel 44 ' rotation, changed course sprocket wheel 44 ' drive bearing pin 43 ' bearing 38 ', 40 ' interior rotation, decline guide groove 3 ' sealing cell body 22 ' and support 36 ' between install drive oil cylinder II 34 ', by driving oil cylinder II 34 ' flexible can make support 36 ' move forward and backward with tensioning or loosen digger chain 4.
As shown in Figure 7, in the present embodiment, brace summer 1 comprise front beam slab 33 ' and rear beam slab 28 ', this front beam slab 33 ' with rear beam slab 28 ' by be positioned at the plate I 27 of the left and right sides ' with plate II 29 ' be connected, plate I 27 ' and plate II 29 ' be obliquely installed with horizontal plane, front beam slab 33 ' both sides comprise respectively pin shaft hole I 25 ' and pin shaft hole IV 32 ', rear beam slab 28 ' both sides comprise respectively pin shaft hole II 26 ' and pin shaft hole III 30 ', pin shaft hole I 25 ' with pin shaft hole II 26 ' concentric, pin shaft hole III 30 ' and pin shaft hole IV 32 ' with one heart, pin shaft hole I 25 ' with pin shaft hole II 26 ' and support I 15 ' and support II 16 ' concentric pin shaft hole in bearing pin described in setting-in, so that rising guide groove 6 is installed, pin shaft hole III 30 ' and pin shaft hole IV 32 ' and support I and support II 20 ' concentric pin shaft hole in described in setting-in bearing pin to decline guide groove 3 is installed, front beam slab 33 ' and rear beam slab 28 ' and plate I 27 ' and plate II 29 ' between the central space that forms form the tiny fragments of stone, coal, etc. bucket that falls, the railway ballast that annular digger chain 4 carries topmost falls at excavating gear under Action of Gravity Field, by the described tiny fragments of stone, coal, etc. bucket that falls, dish out.
In the present embodiment, brace summer 1 is positioned at plate II 29 ' mono-sides described chain drive 7 is housed, plate II 29 ' mono-sides connect rising guide groove 6, chain drive 7 connection drive sprockets 31 ', by the annular digger chain 4 in drive sprocket 31 ' driving guide groove, excavate and carry railway ballast to the material-falling hopper of brace summer 1 formation.
In the present embodiment, annular digger chain 4 is installed in the grooved space of rising guide groove 6, decline guide groove 3, flexible bottom girder 5, be connected to form an annular, annular is excavated chain 4 and under chain drive 7 drives, the railway roadbed stone tiny fragments of stone, coal, etc. is dug out and is transported in the material-falling hopper in brace summer 1.
In the present embodiment, between rising guide groove 6 and vehicle frame, be connected sideslip oil cylinder 10, during operation, make excavating gear stable, the flexible guide groove 6 that can make to rise by sideslip oil cylinder 10 rotates with the bearing pin that brace summer 1 is connected around guide groove with decline guide groove 3, thereby make to rise guide groove 6 and decline guide groove 3 swing, make excavating gear pass through curve section, sideslip oil cylinder 10 is positioned at transverse plane.
In the present embodiment, between rising guide groove 6 and vehicle frame, be connected support cylinder 11, this support cylinder 11 is positioned at plane longitudinally, plays fixedly excavating gear during operation.
In the present embodiment, between decline guide groove 3 and vehicle frame, be also connected support cylinder 11, this support cylinder 11 is positioned at plane longitudinally, plays fixedly excavating gear during operation.
In the present embodiment, described flexible bottom girder is hinged by the bottom of bearing pin and rising guide groove 6 and decline guide groove 3.
As shown in Figure 3, in the present embodiment, between flexible bottom girder 5 and rising guide groove 6, by bent angle guide groove I 13, be connected, the effect of this bent angle guide groove I 13 is to make annular digger chain 4 smoothly be transitioned into rising guide groove 6 from the bottom girder 5 that stretches.
In the present embodiment, between flexible bottom girder 5 and decline guide groove 3, by bent angle guide groove II 17, be connected, the effect of this bent angle guide groove II 17 makes annular digger chain 4 smoothly transit to from decline guide groove 3 bottom girder 5 that stretches.
In the present embodiment, bent angle guide groove I 13 is identical with bent angle guide groove II 17 structures and be arranged symmetrically with about the longitudinal centre line of described excavating gear.
In the present embodiment, between the bent angle guide groove I 13 of described flexible bottom girder and bent angle guide groove II 17, be connected telescoping mechanism.
In the present embodiment, described telescoping mechanism comprises outer sleeve 16 and is inlaid in the inner sleeve 14 in outer sleeve 16, between outer sleeve 16 and inner sleeve 14, by driving oil cylinder 15, connected, drive oil cylinder 15 to order about inner sleeve 14 reciprocatingly slides in outer sleeve 16, thereby the length of described flexible bottom girder is changed, adapt to the job requirements of different in width railway roadbed section.
In the present embodiment, outer sleeve 16 is packed in bent angle guide groove II 17 outsides, and inner sleeve 14 is packed in bent angle guide groove I 13 outsides.
The working method of the excavating gear of the flexible bottom girder of band of the narrow scope of operation of adaptation railway tunnel that above-described embodiment provides is: before entering the narrow scope of operations such as tunnel, the rail that starts excavation position is cut, by track lifting and lining machine structure, the section of track is lifted, open traveller mechanism 9, rising guide groove 6 and decline guide groove 3 are transferred to suitable job position, and the section of track lifting is passed from the large position of width between rising guide groove 6 and decline guide groove 3, starting chain drive 7 makes annular digger chain 4 start operation, railway ballast is dug out by annular digger chain 4 and along the sealing cell body 17 of rising guide groove 6 ' move to brace summer 1 top always, the railway ballast that is arranged in the annular digger chain 4 of brace summer 1 top falls under gravity into the tiny fragments of stone, coal, etc. bucket that falls of brace summer 1, via the tiny fragments of stone, coal, etc. bucket that falls, arrive again the position of appointment.
In order to adapt to the railway roadbed operation of different section of track width, can regulate flexible bottom girder 5, thereby by driving the flexible width changing between rising guide groove 6 and decline guide groove 3 of oil cylinder 15, adapt to the digging operation of different in width railway roadbed, saved widely working space.
More multioperation is all known for those of ordinary skills, repeats no more.
The technical scheme of the excavating gear of the flexible bottom girder of band of the narrow scope of operation of adaptation railway tunnel that above-described embodiment provides comprises any combination of each part mentioned above, and the simple change of each part mentioned above assembly or combination are still protection domain of the present utility model.
During the operation of the excavating gear of the flexible bottom girder of the band of the narrow scope of operation of adaptation railway tunnel that above-described embodiment provides, ring chain digging mechanism and railway roadbed cross section are very little angle, the section of track of the disconnection of being lifted by a track lining device can pass through from the large middle and lower part of guide groove width, and the little bottom of width can adapt to the narrow and small scope of operation in railway tunnel, the excavation width of excavating gear can change by the flexible of bottom girder simultaneously.The conventional process mode that has changed railway ballast in China tunnel, greatly improves digging efficiency, avoids adopting the mode of manual work; And excavating gear provided by the invention need not installed and excavate guide groove and bottom girder before operation, after operation, remove again and excavate guide groove and bottom girder, only need to disconnect the section of track, and the section of track is passed through to excavate the space between guide groove, then by excavating gear operation, greatly improve digging efficiency, while avoiding adopting manual work, be subject to the impact that railway roadbed side slope both sides tunnel drainage ditch takies horizontal construction area, started the beginning of the do mechanization operation in narrow tunnel, solve puzzlement China railways tunnel maintenance industry technical barrier for many years, reduced hand labor intensity.
Claims (22)
1. the excavating gear that adapts to the flexible bottom girder of band of the narrow scope of operation of railway tunnel, it comprises traveller mechanism (9), this traveller mechanism (9) connects brace summer (1), this brace summer (1) one end connects rising guide groove (6), this brace summer (1) other end connects decline guide groove (3), rising guide groove (6) is linked together by the bottom girder that stretches (5) with the bottom of decline guide groove (3), rising guide groove (6) is equipped with digger chain with decline guide groove (3) and flexible bottom girder (5) inside, this digger chain ringwise, chain tensioning mechanism is also equipped with on decline guide groove (3) top, chain drive (7) is also housed on brace summer (1), rising guide groove (6) is symmetrical about the longitudinal centre line of brace summer (1) with decline guide groove (3), it is characterized in that: rising guide groove (6) and decline guide groove (3), flexible bottom girder (5) and brace summer (1) are hexagon in transverse plane, described excavating gear is laterally arranged on the vehicle frame of working vehicle by traveller mechanism (9).
2. the excavating gear of the flexible bottom girder of the band of the narrow scope of operation of adaptation railway tunnel as claimed in claim 1, it is characterized in that: described hexagon middle part width is large, lower width is little, during operation, ring chain digging mechanism and railway roadbed cross section are the angle that is not more than 3 °, and the section of track that is played the disconnection that track lining device lifts can pass through from the large middle and lower part of guide groove width.
3. the excavating gear of the flexible bottom girder of the band of the narrow scope of operation of adaptation railway tunnel as claimed in claim 2, is characterized in that: the width of described hexagon middle and lower part is greater than the width of the section of track.
4. the excavating gear of the flexible bottom girder of the band of the narrow scope of operation of adaptation railway tunnel as claimed in claim 3, it is characterized in that: traveller mechanism (9) is about symmetrical installation two covers of cross central line of brace summer (1), and traveller mechanism (9) is about symmetrical two covers of installing of longitudinal centre line of brace summer (1).
5. the excavating gear of the flexible bottom girder of the band of the narrow scope of operation of adaptation railway tunnel as claimed in claim 4, it is characterized in that: traveller mechanism (9) comprises the bearing (11 ') that is packed in vehicle frame top, traveller (13 ') is equipped with in this bearing (11 ') below, this traveller (13 ') is contained in the outer sleeve (12 ') of brace summer (1), traveller (13 ') below connects bearing (14 '), this bearing (14 ') is connected to described vehicle frame below, and before and after brace summer (1), two middle side parts all connect oil cylinder (8).
6. the excavating gear of the flexible bottom girder of the band of the narrow scope of operation of adaptation railway tunnel as claimed in claim 5, it is characterized in that: rising guide groove (6) comprises support I (15 ') and support II (16 '), this support I (15 ') and support II (16 ') are welded on the both sides on sealing cell body (17 ') top, angle roller (18 ') is equipped with in bending part inner side, sealing cell body (17) middle part, the below of sealing cell body (17 ') connects to hold together tiny fragments of stone, coal, etc. plate I (19 '), support I (15 ') and support II (16 ') include concentric pin shaft hole, this concentric pin shaft hole is connected to brace summer (1) by bearing pin.
7. the excavating gear of the flexible bottom girder of the band of the narrow scope of operation of adaptation railway tunnel as claimed in claim 6, it is characterized in that: decline guide groove (3) comprises support I and support II (20 '), this support I and support II (20 ') are welded on the both sides on sealing cell body (22 ') top, chain stretching device (2) is equipped with on sealing cell body (22 ') top, angle roller (23 ') is equipped with in bending part inner side, sealing cell body (22 ') middle part, tiny fragments of stone, coal, etc. plate II (24 ') is installed in the below of sealing cell body (22 '), described support I and support II (20 ') include concentric pin shaft hole, this concentric pin shaft hole is connected to brace summer (1) by bearing pin.
8. the excavating gear of the flexible bottom girder of the band of the narrow scope of operation of adaptation railway tunnel as claimed in claim 7, is characterized in that: hold together tiny fragments of stone, coal, etc. plate I (19 ') and to hold together tiny fragments of stone, coal, etc. plate II (24 ') structure different.
9. the excavating gear of the flexible bottom girder of the band of the narrow scope of operation of adaptation railway tunnel as claimed in claim 8, it is characterized in that: chain stretching device (2) comprises the slide plate (35 ') being fixed on sealing cell body (22 '), by pressing plate, be pressed in the support (36 ') on slide plate (35 '), at the upper installing sleeve (39 ') of support (36 '), two bearings (38 ') and (40 ') are housed in this sleeve (39 '), bearing pin (43 ') is contained in two bearings, at bearing pin (43 ') front end, changed course sprocket wheel (44 ') is installed, between the sealing cell body (22 ') of decline guide groove (3 ') and support (36 '), install and drive oil cylinder II (34 ').
10. the excavating gear of the flexible bottom girder of the band of the narrow scope of operation of adaptation railway tunnel as claimed in claim 9, it is characterized in that: brace summer (1) comprises front beam slab (33 ') and rear beam slab (28 '), this front beam slab (33 ') is connected with plate II (29 ') by the plate I (27 ') that is positioned at the left and right sides with rear beam slab (28 '), plate I (27 ') and plate II (29 ') are obliquely installed with horizontal plane, front beam slab (33 ' and rear beam slab (28 ' comprise concentric pin shaft hole, the concentric pin shaft hole that front beam slab (33 ') and rear beam slab (28 ') are corresponding is concentric with the concentric pin shaft hole of support I (15 ') and support II (16 '), and setting-in bearing pin in these pin shaft holes, the central space forming between front beam slab (33 ') and rear beam slab (28 ') and plate I (27 ') and plate II (29 ') forms the tiny fragments of stone, coal, etc. bucket that falls.
The excavating gear of the flexible bottom girder of band of the narrow scope of operation of 11. adaptation railway tunnel as claimed in claim 10, it is characterized in that: brace summer (1) is positioned at plate II (29 ') side described chain drive (7) is housed, plate II (29 ') side connects rising guide groove (6), and chain drive (7) connects drive sprocket (31 ').
The excavating gear of the flexible bottom girder of band of the narrow scope of operation of 12. adaptation railway tunnel as claimed in claim 11, it is characterized in that: annular digger chain (4) is installed in the grooved space of rising guide groove (6), decline guide groove (3), flexible bottom girder (5), is connected to form an annular.
The excavating gear of the flexible bottom girder of the band of the narrow scope of operation of 13. adaptation railway tunnel as claimed in claim 12, is characterized in that: between rising guide groove (6) and vehicle frame, be connected sideslip oil cylinder (10), sideslip oil cylinder (10) is positioned at transverse plane.
The excavating gear of the flexible bottom girder of band of the narrow scope of operation of 14. adaptation railway tunnel as claimed in claim 13, it is characterized in that: between rising guide groove (6) and vehicle frame, be connected support cylinder (11), this support cylinder (11) is positioned at plane longitudinally.
The excavating gear of the flexible bottom girder of band of the narrow scope of operation of 15. adaptation railway tunnel as claimed in claim 14, it is characterized in that: between decline guide groove (3) and vehicle frame, be also connected support cylinder (11), this support cylinder (11) is positioned at plane longitudinally.
The excavating gear of the flexible bottom girder of band of the narrow scope of operation of 16. adaptation railway tunnel as claimed in claim 15, is characterized in that: flexible bottom girder (5) is hinged by the bottom of bearing pin and rising guide groove (6) and decline guide groove (3).
The excavating gear of the flexible bottom girder of the band of the narrow scope of operation of 17. adaptation railway tunnel as claimed in claim 16, is characterized in that: between flexible bottom girder (5) and rising guide groove (6), by bent angle guide groove I (13), be connected.
The excavating gear of the flexible bottom girder of the band of the narrow scope of operation of 18. adaptation railway tunnel as claimed in claim 17, is characterized in that: between flexible bottom girder (5) and decline guide groove (3), by bent angle guide groove II (17), be connected.
The excavating gear of the flexible bottom girder of the band of the narrow scope of operation of 19. adaptation railway tunnel as claimed in claim 18, is characterized in that: bent angle guide groove I (13) is identical with bent angle guide groove II (17) structure and be arranged symmetrically with about the longitudinal centre line of described excavating gear.
The excavating gear of the flexible bottom girder of the band of the narrow scope of operation of 20. adaptation railway tunnel as claimed in claim 19, is characterized in that: between the bent angle guide groove I (13) of described flexible bottom girder and bent angle guide groove II (17), be connected telescoping mechanism.
The excavating gear of the flexible bottom girder of band of the narrow scope of operation of 21. adaptation railway tunnel as claimed in claim 20, it is characterized in that: described telescoping mechanism comprises outer sleeve (16) and is inlaid in the inner sleeve (14) in outer sleeve (16), between outer sleeve (16) and inner sleeve (14), by driving oil cylinder (15), connected.
The excavating gear of the flexible bottom girder of band of the narrow scope of operation of 22. adaptation railway tunnel as claimed in claim 21, it is characterized in that: outer sleeve (16) is packed in bent angle guide groove II (17) outside, inner sleeve (14) is packed in bent angle guide groove I (13) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420476760.5U CN204000500U (en) | 2014-08-22 | 2014-08-22 | The excavating gear that adapts to the flexible bottom girder of band of the narrow scope of operation of railway tunnel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420476760.5U CN204000500U (en) | 2014-08-22 | 2014-08-22 | The excavating gear that adapts to the flexible bottom girder of band of the narrow scope of operation of railway tunnel |
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| CN204000500U true CN204000500U (en) | 2014-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250018A (en) * | 2020-08-28 | 2021-08-13 | 金鹰重型工程机械股份有限公司 | Bridge tunnel railway ballast excavating mechanism |
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2014
- 2014-08-22 CN CN201420476760.5U patent/CN204000500U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250018A (en) * | 2020-08-28 | 2021-08-13 | 金鹰重型工程机械股份有限公司 | Bridge tunnel railway ballast excavating mechanism |
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Address after: 650215 Kunming City, Yunnan sheep sheep Wang Fang No. 384 Patentee after: CHINA RAILWAY CONSTRUCTION HIGH-TECH EQUIPMENT CO., LTD. Address before: 650215 Kunming City, Yunnan sheep sheep Wang Fang No. 384 Patentee before: Zhongtie Giant Road Maintenance Machinery Group Co., Ltd., Kunming |