CN203411869U - Excavation mechanism used for railway line ballast cleaning machine and specially used in tunnel for ballast cleaning - Google Patents
Excavation mechanism used for railway line ballast cleaning machine and specially used in tunnel for ballast cleaning Download PDFInfo
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- CN203411869U CN203411869U CN201320436070.2U CN201320436070U CN203411869U CN 203411869 U CN203411869 U CN 203411869U CN 201320436070 U CN201320436070 U CN 201320436070U CN 203411869 U CN203411869 U CN 203411869U
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- guide groove
- bottom girder
- excavation
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- turning
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Abstract
The utility model provides an excavation mechanism used for a railway line ballast cleaning machine and specially used in a tunnel for ballast cleaning. The excavation mechanism comprises an excavation mudsill, a corner mudsill, an ascending guide groove, a descending guide groove and an excavation chain, wherein an excavation chain structure is improved, and the width of the excavation chain is appropriately reduced; an adjusting steel channel for adjusting the width of the guide groove is arranged in the ascending guide groove, so that the ascending guide groove has multiple functions; the excavation chains with various specifications can be used, and a base configuration of the ballast cleaning machine cannot be destroyed; the corner mudsill and the excavation mudsill are connected by a concave-convex body and can be installed in a narrow space with 50cm, and the excavation mudsill with 2.14m in length is matched with a ballast collecting plate retracting inwards, so that the ballast cleaning width of the railway ballast cleaning machine can be reduced to be 3.5m, and mechanical ballast cleaning operation can be performed in the tunnel under a condition that a sleeper head is the shortest distance (0.45m) away from a railway obstacle.
Description
Technical field
The utility model relates to railway maintenance field of mechanical technique, relates in particular to cleaning Special digger structure in a kind of tunnel of rail track screen scarifier.
Background technology
Rail track is through long-term vehicle operating, railway roadbed ballast directly rub produced powder and broken little ballast and naturally dust aggravated the dirty of circuit ballast and hardened, can cause track elasticity to reduce, circuit is risen soil, and has accelerated the formation of rail defects and failures, has reduced the application life of rail, also affect the traffic safety of train, circuit is carried out to railway roadbed inclined screen-cleaning, is to solve ballast contamination to harden and the problem of rising soil, and improves line quality unique channel.
The construction of railway tunnel cleaning is due to the particularity of its environment, always by artificial cleaning, because dust pollution is very serious, cause the cleaning personnel cannot operation, watering and lowering dust causes again the low cleaning of unearthed amount unclean, its efficiency is low, progress is slow, quality is wayward, causes the quality of artificial cleaning not reach ideal effect, is the difficult point of circuit cleaning engineering.
Solve rail track tunnel cleaning problem, adopt mechanical cleaning comparatively desirable, the maximum exciting force of reciprocating sieve on screen scarifier is very large, shifts to an earlier date the railway roadbed of appropriate watering and lowering dust to the not impact of mechanical cleaning quality, cleaning quality is high more than artificial cleaning, can guarantee to reach railway systems standard.Yet in prior art, the minimum of screen scarifier digging mechanism excavation width is 3.9 meters, require sleeper head to be greater than 0.7 meter apart from flanking obstacle, owing to being subject to the restriction in space, both sides in railway tunnel, in existing tunnel, sleeper head is often less than 0.7 meter apart from flanking obstacle, therefore existing screen scarifier can not be in railway tunnel mechanical cleaning, if the digging mechanism of existing cleaning mechine is improved, can effectively solve the problems of the technologies described above.
Summary of the invention
The technical problem that the utility model solves is to provide cleaning Special digger structure in a kind of tunnel of rail track screen scarifier, and it does not destroy the foundation structure of screen scarifier, can realize screen scarifier mechanical sorting operation in compare Zhai tunnel, space.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: cleaning Special digger structure in a kind of tunnel of rail track screen scarifier, comprise excavation bottom girder, be connected in two turning bottom girders that excavate bottom girder two ends, the rising guide groove being connected with turning bottom girder, decline guide groove, float and run on rising guide groove, decline guide groove, chain is taken off in the excavation of excavating between bottom girder, it is characterized in that: described rising guide groove comprises the guide groove body of square-tube-shaped, be positioned at the inner side wearing plate of guide groove body interior, be positioned at the bottom wearing plate of guide groove body inner bottom part, be positioned at the outside wearing plate of guide groove body interior, between described outside wearing plate and guide groove body, be provided with adjusting channel-section steel, described guide groove body exterior is provided with stiffener.
Further improvement as the technical program, described turning bottom girder adopts concavo-convex shank connected mode with excavation bottom girder, described turning bottom girder comprises turning bottom girder truss, is positioned at concave volume square cotter and the turning axis hole of bottom girder truss top, turning, described excavation bottom girder comprises welding combination bottom girder body, is positioned at the convex body square cotter at welding combination bottom girder body two ends, and described convex body square cotter is provided with convex body square cotter stiffener with welding combination bottom girder body junction; The convex body square cotter of described excavation bottom girder inserts in the bottom girder concave volume square cotter of turning, and two turning bottom girders and excavation bottom girder are connected as one.
Further improvement as the technical program, described excavation is taken off chain and by 76 joints, is taken off links and cross bearing pin link and form, every joint is taken off chain link and is comprised: link plate, be positioned at taking off plate and being installed on the grilled teeth of taking off on plate on link plate, described link plate inner side is provided with pin shaft hole, described plate one end bending 30-45 degree of taking off, take off plate rear and be provided with back-up ring, bending one end of taking off plate is fixed in grilled teeth rear end by back-up ring.
As the further improvement of the technical program, the thickness that chain is taken off in described excavation is less than the outside wearing plate of rising guide groove and the distance between the wearing plate of inner side.
As the further improvement of the technical program, the entire length of described excavation bottom girder is 2.14 meters.
As the further improvement of the technical program, the bottom of described rising guide groove and decline guide groove and bottom girder junction, turning are provided with slag plate, described in hold together slag plate and inwardly shrink certain angle.
Cleaning Special digger structure in the tunnel of the utility model rail track screen scarifier, by excavation being taken off to the improvement of chain structure, its width dimensions can suitably be dwindled, rising guide groove inside arranges the adjusting channel-section steel that regulates guide groove width, guide groove one groove that makes to rise is multiplex, can use the excavation of plurality of specifications size to take off chain, and need not destroy the base configuration of screen scarifier, turning bottom girder adopts concavo-convex body connected mode with excavation bottom girder, this digging mechanism can be installed in the small space of 50 centimetres, the excavation bottom girder of 2.14 meters coordinates the slag plate that holds together shrinking inwards, make the cleaning width of railway screen scarifier be reduced to 3.5 meters, the in the situation that of having realized in tunnel sleeper head from 0.45 meter of circuitry obstacle thing minimum range, carry out mechanical sorting operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of cleaning Special digger structure in the tunnel of rail track screen scarifier described in the utility model.
Fig. 2 is the schematic cross-section of rising guide groove described in the utility model.
Fig. 3 is the structural representation of turning described in the utility model bottom girder.
Fig. 4 is the structural representation of excavation bottom girder described in the utility model.
Fig. 5 be excavation described in the utility model take off chain take off link configuration schematic diagram.
The specific embodiment
Refer to shown in Fig. 1-Fig. 5, the utility model provides cleaning Special digger structure in a kind of tunnel of rail track screen scarifier, comprise and excavate bottom girder 1, be connected in two turning bottom girders 2 that excavate bottom girder 1 two ends, the rising guide groove 3 being connected with turning bottom girder 2, decline guide groove 4, be connected in rising guide groove 3, decline guide groove 4, float and run on rising guide groove, decline guide groove, chain 5 is taken off in the excavation of excavating between bottom girder, described rising guide groove 3 comprises the guide groove body 31 of square-tube-shaped, be positioned at the inner side wearing plate 32 of guide groove body inner side, be positioned at guide groove body interior bottom wearing plate 33, be positioned at the outside wearing plate 34 of guide groove body interior, between described outside wearing plate 34 and guide groove body, be provided with and regulate channel-section steel 35, described guide groove body exterior is provided with stiffener 36.Described excavation is taken off chain 5 and by 76 joints, is taken off links and cross bearing pin link and form, every joint is taken off chain link and is comprised: link plate 51, be positioned at taking off plate 52 and being installed on the grilled teeth 53 of taking off on plate on link plate, described link plate inner side is provided with pin shaft hole 54, described plate one end bending 30-45 degree of taking off, take off plate rear and be provided with back-up ring 55, bending one end of taking off plate is fixed in grilled teeth rear end by back-up ring; The bottom of described rising guide groove and decline guide groove and bottom girder junction, turning are provided with slag plate 6.The thickness that chain 5 is taken off in described excavation is less than the outside wearing plate 34 of rising guide groove 3 and the distance between inner side wearing plate 32, making excavation take off chain 5 can be by being provided with the rising guide groove that regulates channel-section steel 35, ballast is upwards delivered to the quarrel soil separating mechanism of screen scarifier, the entire length of excavating bottom girder 1 is reduced to 2.14 meters, and will hold together slag plate and inwardly shrink certain angle, by excavation being taken off to the improvement of chain 5 structures, its width dimensions can suitably be dwindled, rising guide groove inside arranges the adjusting channel-section steel that regulates guide groove width, guide groove one groove that makes to rise is multiplex, can use the excavation of plurality of specifications size to take off chain, and need not destroy the base configuration of screen scarifier.
Described turning bottom girder 2 adopts concavo-convex body shank connected mode with excavation bottom girder 1, described turning bottom girder 2 comprises turning bottom girder truss 21, is positioned at concave volume square cotter 22 and the turning axis hole 23 of bottom girder truss 21 tops, turning, described excavation bottom girder 1 comprises welding combination bottom girder body 11, is positioned at the convex body square cotter 12 at welding combination bottom girder body two ends, and described convex body square cotter is provided with convex body square cotter stiffener 13 with welding combination bottom girder body junction; The convex body square cotter 12 of described excavation bottom girder inserts in turning bottom girder concave volume square cotter 22, and two turning bottom girders 2 and excavation bottom girder 1 are connected as one.Turning bottom girder adopts concavo-convex body connected mode with excavation bottom girder, this digging mechanism can be installed in the small space of 50 centimetres, the excavation bottom girder of 2.14 meters coordinate shrink inwards hold together slag plate 6, make the cleaning width of railway screen scarifier be reduced to 3.5 meters, the in the situation that of having realized in tunnel sleeper head from 0.45 meter of circuitry obstacle thing minimum range, carry out mechanical sorting operation.
The above; it is only most preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction; any those of ordinary skill in the art; do not departing from technical solutions of the utility model scope situation; utilize the method content of above-mentioned announcement to make many possible changes and modification to technical solutions of the utility model, all belong to the scope of claims protection.
Claims (6)
1. cleaning Special digger structure in the tunnel of a rail track screen scarifier, comprise excavation bottom girder, be connected in two turning bottom girders that excavate bottom girder two ends, the rising guide groove being connected with turning bottom girder, decline guide groove, float and run on rising guide groove, decline guide groove, chain is taken off in the excavation of excavating between bottom girder, it is characterized in that: described rising guide groove comprises the guide groove body of square-tube-shaped, be positioned at the inner side wearing plate of guide groove body interior, be positioned at the bottom wearing plate of guide groove body inner bottom part, be positioned at the outside wearing plate of guide groove body interior, between described outside wearing plate and guide groove body, be provided with adjusting channel-section steel, described guide groove body exterior is provided with stiffener.
2. cleaning Special digger structure in the tunnel of rail track screen scarifier according to claim 1, it is characterized in that: as the further improvement of the technical program, described turning bottom girder adopts concavo-convex shank connected mode with excavation bottom girder, described turning bottom girder comprises turning bottom girder truss, is positioned at concave volume square cotter and the turning axis hole of bottom girder truss top, turning, described excavation bottom girder comprises welding combination bottom girder body, is positioned at the convex body square cotter at welding combination bottom girder body two ends, and described convex body square cotter is provided with convex body square cotter stiffener with welding combination bottom girder body junction; The convex body square cotter of described excavation bottom girder inserts in the bottom girder concave volume square cotter of turning, and two turning bottom girders and excavation bottom girder are connected as one.
3. cleaning Special digger structure in the tunnel of rail track screen scarifier according to claim 2, it is characterized in that: described excavation is taken off chain and by 76 joints, taken off links and cross bearing pin link and form, every joint is taken off chain link and is comprised: link plate, be positioned at taking off plate and being installed on the grilled teeth of taking off on plate on link plate, described link plate inner side is provided with pin shaft hole, described plate one end bending 30-45 degree of taking off, take off plate rear and be provided with back-up ring, bending one end of taking off plate is fixed in grilled teeth rear end by back-up ring.
4. cleaning Special digger structure in the tunnel of rail track screen scarifier according to claim 3, is characterized in that: the thickness that chain is taken off in described excavation is less than the outside wearing plate of rising guide groove and the distance between the wearing plate of inner side.
5. cleaning Special digger structure in the tunnel of rail track screen scarifier according to claim 4, is characterized in that: the entire length of described excavation bottom girder is 2.14 meters.
6. cleaning Special digger structure in the tunnel of rail track screen scarifier according to claim 5, is characterized in that: the bottom of described rising guide groove and decline guide groove and bottom girder junction, turning are provided with slag plate, described in hold together slag plate and inwardly shrink certain angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320436070.2U CN203411869U (en) | 2013-07-22 | 2013-07-22 | Excavation mechanism used for railway line ballast cleaning machine and specially used in tunnel for ballast cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320436070.2U CN203411869U (en) | 2013-07-22 | 2013-07-22 | Excavation mechanism used for railway line ballast cleaning machine and specially used in tunnel for ballast cleaning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203411869U true CN203411869U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320436070.2U Expired - Lifetime CN203411869U (en) | 2013-07-22 | 2013-07-22 | Excavation mechanism used for railway line ballast cleaning machine and specially used in tunnel for ballast cleaning |
Country Status (1)
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|---|---|
| CN (1) | CN203411869U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457139A (en) * | 2018-05-27 | 2018-08-28 | 内蒙古工业大学 | A kind of railway Qing Zha mechanisms of adjustable face length |
| CN109537378A (en) * | 2017-09-21 | 2019-03-29 | 常州市瑞泰工程机械有限公司 | Cleaning vehicle excavating gear and excavation assembly with the excavating gear |
| CN112211048A (en) * | 2020-10-13 | 2021-01-12 | 罗凡 | Digging chain structure of railway ballast screen scarifier |
-
2013
- 2013-07-22 CN CN201320436070.2U patent/CN203411869U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537378A (en) * | 2017-09-21 | 2019-03-29 | 常州市瑞泰工程机械有限公司 | Cleaning vehicle excavating gear and excavation assembly with the excavating gear |
| CN109537378B (en) * | 2017-09-21 | 2024-02-13 | 常州中车瑞泰装备科技有限公司 | Cleaning vehicle excavating device and excavating assembly with same |
| CN108457139A (en) * | 2018-05-27 | 2018-08-28 | 内蒙古工业大学 | A kind of railway Qing Zha mechanisms of adjustable face length |
| CN108457139B (en) * | 2018-05-27 | 2023-10-10 | 内蒙古工业大学 | Railway ballast cleaning mechanism capable of adjusting length of working face |
| CN112211048A (en) * | 2020-10-13 | 2021-01-12 | 罗凡 | Digging chain structure of railway ballast screen scarifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |