CN204000496U - A kind of excavating gear that adapts to the narrow scope of operation operation of railway tunnel - Google Patents

A kind of excavating gear that adapts to the narrow scope of operation operation of railway tunnel Download PDF

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Publication number
CN204000496U
CN204000496U CN201420476615.7U CN201420476615U CN204000496U CN 204000496 U CN204000496 U CN 204000496U CN 201420476615 U CN201420476615 U CN 201420476615U CN 204000496 U CN204000496 U CN 204000496U
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CN
China
Prior art keywords
guide groove
brace summer
support
excavating gear
railway tunnel
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CN201420476615.7U
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Chinese (zh)
Inventor
姜雷
于家和
毛志华
陶小虎
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CRCC High Tech Equipment Corp Ltd
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Kunming China Railway Large Maintenance Machinery Co Ltd
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Abstract

A kind of excavating gear that adapts to the narrow scope of operation operation of railway tunnel, it comprises traveller mechanism (2), this traveller mechanism (2) 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 bottom girder (4) with the bottom of decline guide groove (3), rising guide groove (6) is equipped with digger chain with decline guide groove (3) and bottom girder (4) inside, this digger chain ringwise, 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), bottom girder (4) and brace summer (1) are hexagon in transverse plane.Provided by the utility model need installation before operation excavated guide groove and bottom girder, after operation, remove again and excavate guide groove and bottom girder, only need to disconnect the section of track, greatly improve digging efficiency, started the beginning of the do mechanization operation in narrow tunnel, solve puzzlement China railways tunnel maintenance industry technical barrier for many years, greatly reduced hand labor intensity.

Description

A kind of excavating gear that adapts to the narrow scope of operation operation of railway tunnel
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 and solved the urgent need that in China railways tunnel, railway ballast is processed, and excavating gear is the key equipment of railway ballast handling machine, designs and develops and adapt to the excavating gear that the interior narrow and small scope of operation railway ballast handling machine of railway tunnel must first be designed the narrow scope of operation operation of adaptation railway tunnel.
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 narrow scope of operation 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.
A kind of excavating gear that adapts to the narrow scope of operation operation of 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 bottom girder, digger chain is equipped with in described rising guide groove and described decline guide groove and described 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, drive unit 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 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 machine 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 at described hexagon middle 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, before and after described brace summer, two middle side parts all connect driving oil cylinder, drive oil cylinder to elongate or shorten and drive 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 A, 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 1 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 1, 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 can be around the bearing pin rotations 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 concentric 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 drive unit is housed, plate II one side connects rising guide groove, and described drive unit 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 formation.
Preferably, described bottom girder is hinged between rising guide groove, decline guide groove bottom by bearing pin, works to support whole excavating gear and constraint annular digger chain.
Preferably, described annular digger chain is installed in the grooved space of rising guide groove, decline guide groove, bottom girder, is connected to form an annular, and annular is excavated chain and driven rotation that the railway roadbed stone tiny fragments of stone, coal, etc. is dug out and is transported in the material-falling hopper in brace summer by drive unit.
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 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.
A kind of working method that adapts to the excavating gear of the narrow scope of operation operation of 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 drive unit 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.
More multioperation is all known for those of ordinary skills, repeats no more.
The technical scheme of the excavating gear of the narrow scope of operation 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 narrow scope of operation 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, change the working method that in China tunnel, railway ballast is processed, avoided adopting the mode of manual work, and the excavating gear that the utility model provides 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 narrow scope of operation do mechanization operation in railway tunnel, solved puzzlement China railways tunnel maintenance industry technical barrier for many years, greatly reduce hand labor intensity.
Accompanying drawing explanation
Fig. 1 is for according to the Facad structure schematic diagram of a preferred embodiment of a kind of excavating gear that adapts to the narrow scope of operation operation of railway tunnel of the present utility model.
Fig. 2 is axonometric drawing (in the section of track and tunnel, the gutter in side slope outside is not shown) embodiment illustrated in fig. 1.
Fig. 3 is the structural representation of traveller mechanism embodiment illustrated in fig. 1.
Fig. 4 is the structural representation of rising guide groove embodiment illustrated in fig. 1.
Fig. 5 is the structural representation of decline guide groove embodiment illustrated in fig. 1.
Fig. 6 is the structure chart of brace summer embodiment illustrated in fig. 1.
Fig. 7 is the structure chart of tensioning apparatus embodiment illustrated in fig. 1.
Mark in Fig. 1-Fig. 7 represents respectively:
1 brace summer 2 traveller mechanisms
3 decline guide groove 4 bottom girders
5 annular digger chain 6 rising guide grooves
7 drive unit 8 sideslip oil cylinders
9 support cylinders 10 drive oil cylinder
11 bearing I 12 outer sleeves
13 traveller 14 bearing II
15 support I 16 support II
18 jiaos of rollers of 17 sealing cell bodies
19 hold together tiny fragments of stone, coal, etc. plate I 20 support II
21 chain stretching device 22 sealing cell bodies
23 jiaos of rollers 24 hold together tiny fragments of stone, coal, etc. plate II
25 pin shaft hole I 26 pin shaft hole II
The rear beam slab of 27 plate I 28
29 plate II 30 pin shaft hole III
31 drive sprocket 32 pin shaft hole IV
33 front beam slabs 34 drive oil cylinder II
35 slide plate 36 supports
38 bearing 39 sleeves
40 bearing 43 bearing pins
44 changed course sprocket wheels
A vehicle frame
C railway ballast D tunnel drainage ditch.
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 for surveying view according to the Facad structure schematic diagram of a preferred embodiment of a kind of excavating gear that adapts to the narrow scope of operation operation of railway tunnel of the present utility model and axle, in the present embodiment, a kind of excavating gear that adapts to the narrow scope of operation operation of railway tunnel comprises traveller mechanism 2, this traveller mechanism 2 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 bottom girder 4 with the bottom of decline guide groove 3, rising guide groove 6 is equipped with annular digger chain 5 with decline guide groove 3 and bottom girder 4 inside, chain tensioning mechanism is also equipped with on decline guide groove 3 tops, for tensioning annular digger chain 5, make itself and driving mechanism engagement well, avoid de-tooth, drive unit 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, bottom girder 4 and brace summer 1 are hexagon in transverse plane, thereby the annular digger chain 5 that makes to be flush-mounted in is wherein hexagon, described excavating gear is laterally arranged on the vehicle frame A of working vehicle by traveller mechanism 2, and traveller mechanism 2 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 of 2 °, 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 that is subject to railway tunnel inner tunnel gutter D restriction.
In the present embodiment, the width at described hexagon middle part is greater than the width of the section of track of standard gauge.
In the present embodiment, traveller mechanism 2 is about symmetrical two covers of installing of cross central line of brace summer 1, and traveller mechanism 2 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 2 altogether, to make described excavating gear stably rise, decline.
As shown in Figure 3, in the present embodiment, traveller mechanism 2 comprises the bearing 11 that is packed in vehicle frame A top, traveller 13 is equipped with in these bearing 11 belows, this traveller 13 is contained in the outer sleeve 12 of brace summer 1, traveller 13 belows connect bearing 14, this bearing 14 is connected to vehicle frame A below, brace summer 1 front and back two middle side parts all connect driving oil cylinder 10, driving oil cylinder 10 to elongate or shorten outside the traveller 13 of drive brace summer 1 in sleeve 12 slides up and down, thereby regulate the horizontal level of brace summer 1 and whole excavating gear and vehicle frame A, the convenient excavation depth needing that excavating gear is adjusted to.
As shown in Fig. 4-Fig. 5, in the present embodiment, 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 tops, angle roller 18 is equipped with in sealing cell body 17 bending part inner sides, middle part, the effect of this angle roller 18 is to make annular digger chain 5 can smoothly pass through bending part, reduce impact force and the abrasion of 5 pairs of sealing cell bodies 17 of annular digger chain, the below of sealing cell body 17 connects to hold together tiny fragments of stone, coal, etc. plate I 19, hold together tiny fragments of stone, coal, etc. plate I 19 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, 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.
In the present embodiment, 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 tops, chain stretching device 21 is equipped with on sealing cell body 22 tops, angle roller 23 is equipped with in sealing cell body 22 bending part inner sides, middle part, the effect of this angle roller 23 is to make annular digger chain 5 can smoothly pass through bending part, reduce impact force and the abrasion of 5 pairs of sealing cell bodies 22 of annular digger chain, tiny fragments of stone, coal, etc. plate II 24 is installed in the below of sealing cell body 22, 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, 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.
In the present embodiment, preferably, hold together tiny fragments of stone, coal, etc. plate I 19 and to hold together tiny fragments of stone, coal, etc. plate II 24 structures different.
In the present embodiment, rising guide groove 6 and decline guide groove 3 can be around the bearing pin rotations 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 7, in the present embodiment, chain stretching device 21 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, on support 36, installing sleeve 39, two bearings 38 and 40 are housed in this sleeve 39, bearing pin 43 is contained in two bearings, at bearing pin 43 front ends, changed course sprocket wheel 44 is installed, when digger chain 5 rotation, drive 44 rotations of changed course sprocket wheel, changed course sprocket wheel 44 drives bearing pin 43 at bearing 38, 40 interior rotations, between the sealing cell body 22 of decline guide groove 3 and support 36, install and drive oil cylinder II 34, by driving, oil cylinder II 34 is flexible can make support 36 move forward and backward with tensioning or loosen digger chain 5.
As shown in Figure 6, in the present embodiment, 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 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 is concentric with pin shaft hole II 26, pin shaft hole III 30 and pin shaft hole IV 32 are concentric, bearing pin described in setting-in in the concentric pin shaft hole of pin shaft hole I 25 and pin shaft hole II 26 and support I 15 and support II 16, so that rising guide groove 6 is installed, described in the interior setting-in of concentric pin shaft hole of pin shaft hole III 30 and pin shaft hole IV 32 and support I and support II 20, bearing pin is to install decline guide groove 3, 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 railway ballast that annular digger chain 5 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 1 sides drive unit 7 is housed, plate II 29 1 sides connect rising guide groove 6, and drive unit 7 connects drive sprocket 31, by drive sprocket 31, drive the annular digger chain 5 in guide groove excavate and carry railway ballast to the material-falling hopper of brace summer 1 formation.
In the present embodiment, bottom girder 4 is hinged between rising guide groove 6, decline guide groove 3 bottoms by bearing pin, works to support whole excavating gear and constraint annular digger chain 5.
In the present embodiment, annular digger chain 5 is installed in the grooved space of rising guide groove 6, decline guide groove 3, bottom girder 4, be connected to form an annular, annular is excavated chain 5 and is driven rotation that 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 by drive unit 7.
In the present embodiment, between rising guide groove 6 and vehicle frame A, be connected sideslip oil cylinder 8, during operation, make excavating gear stable, the flexible guide groove 6 that can make to rise by oil cylinder 8 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 8 is positioned at transverse plane.
In the present embodiment, between rising guide groove 6 and vehicle frame A, be connected support cylinder 9, this support cylinder 9 is positioned at plane longitudinally, plays fixedly excavating gear during operation.
In the present embodiment, between decline guide groove 3 and vehicle frame A, be also connected support cylinder 9, this support cylinder 9 is positioned at plane longitudinally.
In the present embodiment, between decline guide groove 3 and vehicle frame A, be not connected sideslip oil cylinder 8.
embodiment 1.2: a kind of excavating gear that adapts to the narrow scope of operation operation of railway tunnel, with embodiment 1.1, difference is: during operation, ring chain digging mechanism and railway roadbed cross section are the angle of 1 °.
embodiment 1.3: a kind of excavating gear that adapts to the narrow scope of operation operation of railway tunnel, with embodiment 1.1, difference is: during operation, ring chain digging mechanism and railway roadbed cross section are the angle of 0 °.
embodiment 2.1: a kind of excavating gear that adapts to the narrow scope of operation operation of railway tunnel, with embodiment 1.1, difference is: the width at described hexagon middle part is greater than the width of the section of track of meter gage railway.
embodiment 2.2: a kind of excavating gear that adapts to the narrow scope of operation operation of railway tunnel, with embodiment 1.1, difference is: the width at described hexagon middle part is greater than the width of the section of track of broad-gauge railway.
embodiment 2.3: a kind of excavating gear that adapts to the narrow scope of operation operation of railway tunnel, with embodiment 1.1, difference is: the width at described hexagon middle part is greater than the width of the section of track of narrow gauge railway.
The working method of the excavating gear of the narrow scope of operation 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 2, rising guide groove 6 and decline guide groove 3 are transferred to suitable job position, and the section of track being lifted is passed from the large position of width between rising guide groove 6 and decline guide groove 3, starting drive unit 7 makes annular digger chain 5 start operation, railway ballast C is dug out by annular digger chain 5 and moves to brace summer 1 top along the sealing cell body 17 of rising guide groove 6 always, the railway ballast that is arranged in the annular digger chain 5 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.
More multioperation is all known for those of ordinary skills, repeats no more.
The technical scheme of the excavating gear of the narrow scope of operation 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 narrow scope of operation 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, changed the working method that in China tunnel, railway ballast is processed, and the excavating gear that the utility model provides 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 D takies horizontal construction area, started the beginning of narrow scope of operation do mechanization operation in railway tunnel, solved puzzlement China railways tunnel maintenance industry technical barrier for many years, greatly reduce hand labor intensity.

Claims (14)

1. an excavating gear that adapts to the narrow scope of operation operation of railway tunnel, it comprises traveller mechanism (2), this traveller mechanism (2) 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 bottom girder (4) with the bottom of decline guide groove (3), rising guide groove (6) is equipped with digger chain with decline guide groove (3) and bottom girder (4) inside, this digger chain ringwise, chain tensioning mechanism is also equipped with on decline guide groove (3) top, drive unit (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), bottom girder (4) and brace summer (1) are hexagon in transverse plane.
2. the excavating gear of the narrow scope of operation 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 narrow scope of operation operation of adaptation railway tunnel as claimed in claim 2, it is characterized in that: annular digger chain (5) is installed in the grooved space of rising guide groove (6), decline guide groove (3), bottom girder (4), is connected to form an annular.
4. the excavating gear of the narrow scope of operation operation of adaptation railway tunnel as claimed in claim 3, it is characterized in that: traveller mechanism (2) is about symmetrical two covers of installing of cross central line of brace summer (1), and traveller mechanism (2) is about symmetrical two covers of installing of longitudinal centre line of brace summer (1), and before and after the two ends of brace summer (1), both sides comprise quadruplet traveller mechanism (2) altogether.
5. the excavating gear of the narrow scope of operation operation of adaptation railway tunnel as claimed in claim 4, it is characterized in that: traveller mechanism (2) comprises the bearing (11) that is packed in vehicle frame (A) 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 vehicle frame (A) below, and before and after brace summer (1), two middle side parts all connect driving oil cylinder (10).
6. the excavating gear of the narrow scope of operation 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, and this concentric pin shaft hole is connected to brace summer (1) by bearing pin.
7. the excavating gear of the narrow scope of operation 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 (21) 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, the effect of this angle roller (23) is to make annular digger chain (5) can smoothly pass through bending part, reduce impact force and the abrasion of annular digger chain (5) to sealing cell body (22), 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 narrow scope of operation operation of adaptation railway tunnel as claimed in claim 7, it is characterized in that: chain stretching device (21) 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).
9. the excavating gear of the narrow scope of operation operation of adaptation railway tunnel as claimed in claim 8, 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, and 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.
10. the excavating gear of the narrow scope of operation operation of adaptation railway tunnel as claimed in claim 9, it is characterized in that: brace summer (1) is positioned at plate II (29) one sides drive unit (7) is housed, plate II (29) one sides connect rising guide groove (6), drive unit (7) connects drive sprocket (31), by drive sprocket (31), drives the annular digger chain (5) in guide groove excavate and carry railway ballast to the material-falling hopper of brace summer (1) formation.
The excavating gear of the narrow scope of operation operation of 11. adaptation railway tunnel as claimed in claim 10, is characterized in that: bottom girder (4) is hinged between rising guide groove (6), decline guide groove (3) bottom by bearing pin.
The excavating gear of the narrow scope of operation operation of 12. adaptation railway tunnel as claimed in claim 11, is characterized in that: between rising guide groove (6) and vehicle frame (A), be connected sideslip oil cylinder (8), sideslip oil cylinder (8) is positioned at transverse plane.
The excavating gear of the narrow scope of operation operation of 13. adaptation railway tunnel as claimed in claim 12, it is characterized in that: between rising guide groove (6) and vehicle frame (A), be connected support cylinder (9), this support cylinder (9) is positioned at plane longitudinally.
The excavating gear of the narrow scope of operation operation of 14. adaptation railway tunnel as claimed in claim 13, is characterized in that: between decline guide groove (3) and vehicle frame (A), be also connected support cylinder (9).
CN201420476615.7U 2014-08-22 2014-08-22 A kind of excavating gear that adapts to the narrow scope of operation operation of railway tunnel Withdrawn - After Issue CN204000496U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105442396A (en) * 2014-08-22 2016-03-30 昆明中铁大型养路机械集团有限公司 Excavation device suitable for operation on narrow operation face of railway tunnel
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105442396A (en) * 2014-08-22 2016-03-30 昆明中铁大型养路机械集团有限公司 Excavation device suitable for operation on narrow operation face of railway tunnel
CN105442396B (en) * 2014-08-22 2017-04-05 中国铁建高新装备股份有限公司 A kind of excavating gear for adapting to the narrow scope of operation operation of railway tunnel
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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CP03 Change of name, title or address

Address after: 650215 Kunming City, Yunnan sheep sheep Wang Fang No. 384

Patentee after: CHINA RAILWAY CONSTRUCTION HIGH-TECH EQUIPMENT CO., LTD.

Address before: 650000 Kunming City, Yunnan sheep sheep Wang Fang No. 384

Patentee before: Zhongtie Giant Road Maintenance Machinery Group Co., Ltd., Kunming

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20141210

Effective date of abandoning: 20170405