CN108457139B - Railway ballast cleaning mechanism capable of adjusting length of working face - Google Patents

Railway ballast cleaning mechanism capable of adjusting length of working face Download PDF

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Publication number
CN108457139B
CN108457139B CN201810518396.7A CN201810518396A CN108457139B CN 108457139 B CN108457139 B CN 108457139B CN 201810518396 A CN201810518396 A CN 201810518396A CN 108457139 B CN108457139 B CN 108457139B
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China
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working face
shaped
ballast cleaning
cleaning mechanism
support plate
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CN108457139A (en
Inventor
崔昭霞
王稳稳
朱运杰
李俊峰
杨涛
车航
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Inner Mongolia University of Technology
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Inner Mongolia University of Technology
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/04Removing the ballast; Machines therefor, whether or not additionally adapted for taking-up ballast
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/30Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

Abstract

The application relates to a ballast cleaning mechanism arranged on railway ballast cleaning equipment. The ballast cleaning mechanism comprises a driving chain wheel and two driven chain wheels, wherein the three chain wheels and the wheel shafts thereof are provided with U-shaped covers, and is connected with the scraping finger ring-shaped chain plate through the supporting plate to form a closed triangle shape. The ballasting mechanism disclosed by the application can change the width of the working surface of the excavating device through the telescopic mechanism, and then the excavating device is assembled on various screening devices by utilizing the connecting piece so as to adapt to the requirements of different ballasting environments. The variable range of the working face of the adjustable ballast cleaning mechanism is 3100mm-6100mm, and the adjustable ballast cleaning mechanism is suitable for ballast cleaning operation of a positive track bed, a single turnout, a multi-turnout and a crossover region, and is convenient to assemble and disassemble and simple in adjusting step.

Description

Railway ballast cleaning mechanism capable of adjusting length of working face
Technical Field
The application relates to a ballast cleaning mechanism arranged on railway ballast cleaning equipment.
Background
The ballast bed is a ballast (stone ballast) cushion layer paved on a road surface, and mainly has the functions of supporting the sleeper, keeping the sleeper position, preventing the sleeper from moving longitudinally or transversely, the pressure on the upper part of the sleeper is uniformly transmitted to the roadbed, and ground rainwater is discharged, so that the rail has enough elasticity, and the impact of rolling stock on the rail is alleviated. Because of blowing, water dashing the earth of bringing into the railway roadbed, or the broken powder of railway ballast fills up the railway roadbed space often for the railway roadbed forms the impermeable layer, and the drainage is unsmooth, finally leads to the railway roadbed hardening, and elasticity falls, and shock attenuation effect diminishes, thereby influences driving safety. Therefore, railway workers need to replace railway ballasts below the track periodically.
The railway structure of China is complex, the cleaning operation environment is various, and the requirements on the cleaning operation are different. In order to meet the operation requirements of different lines, a medium-and large-sized screening machine such as a slope screening machine, a turnout screening machine, a full-section railway ballast screening machine, a side cutting screening machine and the like is induced. The excavation and ballasting mechanism is of great importance for the screening machine. The ballast cleaning mechanism of the side-cutting type screening machine adopts a cutting board excavating device to excavate ballast at the bottom of a ballast bed sleeper.
The cleaning machine in the prior art has the advantages that the shape of the cleaning excavation mechanism is fixed, the adaptability to the construction road section with complex conditions is poor, the cleaning machine is especially not suitable for road sections with short distance and narrow construction space, and railway departments can clean the road sections with limited requirements. Therefore, the railway ballast cleaning mechanism which is not limited by a circuit structure and can continuously complete the ballast cleaning operation of a railway line, particularly a turnout area is provided, and the technical problem to be solved in the field is urgent.
Disclosure of Invention
The application aims to provide a ballast cleaning mechanism arranged on a screen scarifier, which is arranged at the bottom of the screen scarifier and can realize the function of excavating ballasts at the sleeper bottom of a ballast bed. The specific technical scheme is as follows:
the utility model provides a clear tiny fragments of stone, coal, etc. mechanism of adjustable working face length, includes driving sprocket 1, driving sprocket axle 2, takes to scrape ring-shaped link joint 9, working face driven sprocket 11, working face driven sprocket axle 15, its characterized in that: the three chain wheels and the wheel shafts thereof are provided with U-shaped covers; the driving sprocket shaft 2 and the back driven sprocket shaft 16 are connected through an upper short back support plate 3 and a lower short back support plate 3 which are provided with connecting holes 4; the working face direction supporting plate 13 and the back long supporting plate 7 are two rectangular plates also provided with connecting holes 4, and the two rectangular plates respectively connect the two U-shaped covers on the working face driven sprocket 11 with the driving sprocket 1 and the U-shaped cover on the back driven sprocket 5 through bolts; the scraping ring-shaped chain plate 9 is meshed with the driving chain wheel 1, the back driven chain wheel 5 and the working face driven chain wheel 11, so that the ballast cleaning mechanism is in a closed triangular shape as a whole;
the U-shaped cover is formed by combining three components with L-shaped structures, namely an L-shaped connecting plate 10, a shaft end cover 12 and a power shaft protection cover connecting component 14; the U-shaped cover on the driving sprocket 1 is formed by fixing a power shaft protection cover connecting assembly 14 and a shaft end cover 12 through bolts; the U-shaped cover facing away from the driven sprocket 5 is formed by combining two shaft end covers 12; the driven sprocket 11 of the working face is provided with two U-shaped covers, one of which is formed by combining two shaft end covers 12 and is connected with the supporting plate 13 of the direction of the working face, and the other of which is formed by combining two L-shaped connecting plates 10 and is connected with the back long supporting plate 7; a seamless steel tube structure capable of sleeving the driving sprocket shaft 2 into the power shaft protective cover connecting assembly 14 is welded on the power shaft protective cover connecting assembly; a columnar body supporting component 6 is welded above the U-shaped cover which is opposite to the driven sprocket 5 and supports the ballast cleaning mechanism to work together with a power shaft protective cover connecting component 14; the other end of the supporting component 6 is connected with a guide chute fixed on the body of the screening machine;
the telescopic mechanisms 8 are respectively fixed on the support plate 13 facing away from the long support plate 7 and the working face, each telescopic mechanism 8 comprises a telescopic threaded rod 17 and a threaded sleeve 18, the threads of the threaded sleeve 18 consist of left-handed and right-handed two-section reverse threads, and when the threaded sleeve 18 is rotated, the telescopic threaded rods 17 at the two ends of the telescopic mechanisms 8 move in opposite or opposite directions and drive the support plate 13 facing away from the long support plate 7 and the working face to extend or shorten; simultaneously, the support component 6 drives the back driven sprocket wheel 5 to move along the guide chute fixed on the screen cleaning mechanical vehicle body, and when the width meeting the operation requirement is reached, the back short support plate 3, the back long support plate 7 and the working face direction support plate 13 are fixed by bolts through the connecting holes 4.
Further, the ballast cleaning mechanism is fixedly connected with the vehicle body of the screening machine through the upper flange of the power shaft protection cover connecting assembly 14.
Furthermore, the driving chain wheel 1, the back driven chain wheel 5 and the working face driven chain wheel 11 in the ballast cleaning mechanism are double-row chain wheels, so that the transmission is more stable.
Furthermore, the working face direction supporting plate 13 of the ballast cleaning mechanism is at an angle of 10 degrees with the plane of the sleeper, so that the scraping ring-shaped chain plate 9 can save more labor and prolong the service life in the working process.
Further, the ballast cleaning mechanism can be hydraulically driven, electrically driven or mechanically driven.
The ballast cleaning mechanism is formed by connecting the three chain wheels and the corresponding supporting plates into a stable triangular structure, and the excavating width of the excavating device can be changed through the telescopic mechanism so as to adapt to the requirements of different ballast cleaning environments. The working face of the adjustable ballast cleaning mechanism has a variable range of 3100mm-6100mm, and is suitable for ballast cleaning operation of a positive track bed, a single-switch, a multi-switch and a crossover region.
When the ballast cleaning mechanism is operated, the area capable of installing the ballast cleaning mechanism can be cleaned at the bottom of the sleeper in advance, the working surface length of the ballast cleaning mechanism is adjusted by the telescopic mechanism 8, and the ballast cleaning mechanism is assembled on various screening machines by the connecting piece. According to the ballast cleaning mechanism, the ballast is scraped to one end of the sleeper, and then the ballast is conveyed to a designated place by a conveying device on the screening machine.
The ballast cleaning mechanism can also be a mirror image structure shown in the attached drawings so as to realize the output of the ballasts to the opposite sides of the rail and meet the requirements of different construction environments.
The ballast cleaning mechanism has simple structure and simple and convenient adjustment steps, can be suitable for various large, medium and small ballast cleaning machines, is convenient to assemble and disassemble, and can meet the ballast cleaning requirements of various railway lines and complex construction conditions.
Drawings
FIG. 1 is a top view of a short working surface structure of a ballast cleaning mechanism;
FIG. 2 shows the length of the ballast cleaning mechanism a top view of the working surface structure;
fig. 3 is a schematic structural view of the telescopic mechanism 8;
FIG. 4 is a schematic view of a ballast cleaning mechanism with a short back face the connection structure of the support plate 3 is schematically shown;
FIG. 5 is a schematic diagram of a connection structure of a supporting plate 13 of a working face direction of a ballast cleaning mechanism;
FIG. 6 is a schematic view of the power shaft boot connection assembly 14;
FIG. 7 is a schematic view of the structure of the shaft end cap 12;
FIG. 8 is a schematic view of a U-shaped boot formed by power shaft boot connection assembly 14 and shaft end cap 12;
fig. 9 is a schematic diagram of the connection structure of the U-shaped cover and the support assembly 6 composed of the shaft end cover 12;
fig. 10 shows an L-shaped connection plate 10 schematic diagram of a U-shaped cover;
fig. 11 is a schematic view of the connection structure of fig. 8 and the face direction support plate 13.
Detailed Description
The drawings in the specification include: the driving chain wheel 1, a driving chain wheel shaft 2, a back short supporting plate 3, a connecting hole 4, a back driven chain wheel 5, a supporting component 6, a back long supporting plate 7, a telescopic mechanism 8, a scraping ring-shaped chain plate 9, an L-shaped connecting plate 10, a working face driven chain wheel 11, a shaft end cover 12, a working face direction supporting plate 13, a power shaft protection cover connecting component 14, a working face driven chain wheel shaft 15, a back driven chain wheel shaft 16, a telescopic threaded rod 17, a threaded sleeve 18 and a working face speed direction V1 of a ballast cleaning mechanism.
The adjustable ballast cleaning mechanism is arranged below a railway sleeper, is connected with a vehicle body connecting piece through an upper flange of a power shaft protective cover connecting component 14 to form a whole, and a supporting component 6 is connected with a guide chute fixed on a vehicle body of the screening machine to support the adjustable ballast cleaning mechanism to continuously work. The scraping ring-shaped chain plate 9 is meshed with the driving chain wheel 1, the back driven chain wheel 5 and the working face driven chain wheel 11, the ballasting work is completed by providing power through the driving chain wheel shaft 2.
The driving sprocket 1, the back driven sprocket 5 and the working face driven sprocket 11 are double rows of sprockets; the two ends of the back short supporting plate 3 are respectively connected with the driving sprocket shaft 2 and the back driven sprocket shaft 16; the driving sprocket shaft 2 is connected with a power shaft protection cover connecting component 14; the power shaft protection cover connecting assembly 14 and the shaft end cover 12 are connected into a U-shaped cover through bolts so as to realize the axial positioning of the assembly on the driving sprocket shaft 2; the working face driven chain wheel shaft 15 is provided with two U-shaped covers to realize the axial positioning of components on the working face driven chain wheel shaft 15, one is formed by combining two shaft end covers 12 and is connected with the working face direction supporting plate 13, and the other is formed by combining two L-shaped connecting plates 10 and is connected with the back long supporting plate 7; the other ends of the working face direction supporting plate 13 and the back long supporting plate 7 are respectively connected with the driving sprocket shaft 2 and the U-shaped cover on the back driven sprocket shaft 16; the U-shaped cover back to the driven sprocket shaft 16 is formed by combining two shaft covers 12, a columnar supporting component 6 is welded above the U-shaped cover, the other end of the supporting component 6 is connected with a guide chute fixed on the screen cleaning mechanical vehicle body, and continuous work of the adjustable ballast cleaning mechanism is supported; the ballast cleaning mechanism forms a stable triangle shape through the back short supporting plate 3, the back long supporting plate 7 and the working face direction supporting plate 13.
The telescopic mechanisms 8 are respectively fixed on the support plate 13 facing away from the long support plate 7 and the working face, each telescopic mechanism 8 comprises a telescopic threaded rod 17 and a threaded sleeve 18, the threads of the threaded sleeve 18 consist of left-handed and right-handed two-section reverse threads, and when the threaded sleeve 18 is rotated, the telescopic threaded rods 17 at the two ends of the telescopic mechanisms 8 move in opposite or opposite directions and drive the support plate 13 facing away from the long support plate 7 and the working face to extend or shorten; simultaneously, the support component 6 drives the back driven sprocket wheel 5 to move along the guide chute fixed on the screen cleaning mechanical vehicle body, and when the width meeting the operation requirement is reached, the back short support plate 3, the back long support plate 7 and the working face direction support plate 13 are fixed by bolts through the connecting holes 4.
Example 1
As shown in fig. 1, the length of the supporting plate 13 in the direction of the working surface is adjusted to enable the length of the covered annular chain plate 9 with scraping fingers to reach 3100mm, and the angle between the annular chain plate and the plane of the sleeper is 10 degrees. At the moment, the ballast cleaning mechanism is in a short working face state, and can meet the construction requirements of ballast cleaning of the front railway.
During operation, firstly, a space capable of installing the ballast cleaning mechanism is cleaned below the sleeper, the ballast cleaning mechanism in the short working face state can be fixed with a full-section railway ballast cleaning machine QS-650 through the upper flange of the power shaft protective cover connecting component 14, the aim of cleaning turnouts is achieved, the ballast cleaning mechanism can also be connected and fixed with the full-section railway ballast cleaning machine QS-550, and the limit that the QS-550 can only clean single turnouts can be made up. And the driving chain wheel shaft 2 is hydraulically driven, and the ballast cleaning mechanism is started to work. The ballast cleaning mechanism is used for scraping the ballast to one end of the sleeper, and then the cleaned polluted ballast is conveyed to a specified position by the slope screening machine.
Example 2
As shown in fig. 2, when the turnout ballasting work of the single-opening or crossover region is performed, the working face of the ballasting mechanism can be adjusted to the width required by construction. At this time, the threaded sleeves 18 on the 2 telescopic mechanisms 8 fixed on the working face direction supporting plate 13 and the back long supporting plate 7 are required to be rotated simultaneously, so that the telescopic threaded rods 17 at two ends of the threaded sleeves 18 move in opposite directions, the telescopic threaded rods 17 drive the back long supporting plate 7 and the working face direction supporting plate 13 to stretch, and meanwhile, the supporting component 6 drives the back driven sprocket 5 to move along the guide sliding chute fixed on the screening machine body, so that when the width meeting the working requirement (single switch 3100mm and a crossover region 6100 mm) is reached, the back short supporting plate 3, the back long supporting plate 7 and the working face direction supporting plate 13 are fixed by bolts through the connecting holes 4, and the deformed ballast cleaning mechanism is in a stable triangle shape.
In operation, the ballast cleaning mechanism in the long working surface state is fixed on a small QQS-300 type ballast cleaning machine in the mode of embodiment 1, and can be placed below a relatively common SRM80 type full-section ballast cleaning machine to perform work.

Claims (6)

1. The utility model provides a clear tiny fragments of stone, coal, etc. mechanism of adjustable working face length, includes driving sprocket (1), driving sprocket axle (2), takes to scrape ring-shaped link joint (9), working face driven sprocket (11), working face driven sprocket axle (15), its characterized in that: the three chain wheels and the wheel shafts thereof are provided with U-shaped covers; the driving sprocket shaft (2) is connected with the back driven sprocket shaft (16) through an upper short back support plate (3) and a lower short back support plate which are provided with connecting holes (4); the working face direction support plate (13) and the back long support plate (7) are two rectangular plates also provided with connecting holes (4), and the two rectangular plates respectively connect the two U-shaped covers on the working face driven sprocket (11) with the U-shaped covers on the driving sprocket (1) and the back driven sprocket (5) through bolts; the belt scraping ring-shaped chain plate (9) is meshed with the driving chain wheel (1), the back driven chain wheel (5) and the working face driven chain wheel (11), so that the whole ballast cleaning mechanism is in a closed triangle;
the U-shaped cover is formed by combining three components with L-shaped structures, and the components are an L-shaped connecting plate (10), a shaft end cover (12) and a power shaft protection cover connecting component (14) respectively; the U-shaped cover on the driving sprocket (1) is formed by fixing a power shaft protection cover connecting assembly (14) and a shaft end cover (12) through bolts; the U-shaped cover facing away from the driven sprocket (5) is formed by combining two shaft end covers (12); the driven chain wheel (11) of the working face is provided with two U-shaped covers, one U-shaped cover is formed by combining two shaft end covers (12) and is connected with the supporting plate (13) of the direction of the working face, and the other U-shaped cover is formed by combining two L-shaped connecting plates (10) and is connected with the back long supporting plate (7); a seamless steel tube structure capable of sleeving the driving sprocket shaft (2) into the power shaft protective cover connecting assembly (14) is welded; a columnar body supporting component (6) is welded above the U-shaped cover which is opposite to the driven sprocket (5), and the columnar body supporting component and a power shaft protective cover connecting component (14) jointly support the ballast cleaning mechanism to work; the other end of the supporting component (6) is connected with a guide chute fixed on the body of the screening machine;
a telescopic mechanism (8) is respectively fixed on the back long support plate (7) and the working face direction support plate (13), the telescopic mechanism (8) comprises a telescopic threaded rod (17) and a threaded sleeve (18), threads of the threaded sleeve (18) are formed by left-handed reverse threads and right-handed reverse threads, and when the threaded sleeve (18) is rotated, the telescopic threaded rods (17) at two ends of the telescopic mechanism (8) move in opposite or opposite directions and drive the back long support plate (7) and the working face direction support plate (13) to extend or shorten; meanwhile, the support component (6) drives the back driven sprocket (5) to move along a guide chute fixed on the screen cleaning mechanical vehicle body, and when the width meeting the operation requirement is reached, the back short support plate (3), the back long support plate (7) and the working face direction support plate (13) are fixed by bolts through the connecting holes (4); the working face of the ballast cleaning mechanism is changed to be 3100mm-6100 mm.
2. The ballasting mechanism of claim 1, wherein the length of the working surface is adjustable, and the ballasting mechanism is characterized by: the ballast cleaning mechanism is fixedly connected with a vehicle body of the screening machine through an upper flange of a power shaft protective cover connecting assembly (14).
3. A ballasting mechanism with adjustable working surface length as in claim 1 or 2, wherein: the driving chain wheel (1), the back driven chain wheel (5) and the working face driven chain wheel (11) are double-row chain wheels.
4. A ballasting mechanism with adjustable working surface length as recited in claim 3, wherein: the working face direction supporting plate (13) and the plane where the sleeper is positioned form an angle of 10 degrees.
5. The ballasting mechanism of claim 4, wherein the length of the working surface is adjustable, and the ballasting mechanism is characterized by: the ballast cleaning mechanism is hydraulically driven, electrically driven or mechanically driven.
6. A ballasting mechanism with adjustable working surface length as recited in claim 1, 2, 4 or 5, wherein: the ballast cleaning mechanism can also be made into a mirror image structure so as to realize the output of the ballasts to the opposite sides of the rail.
CN201810518396.7A 2018-05-27 2018-05-27 Railway ballast cleaning mechanism capable of adjusting length of working face Active CN108457139B (en)

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CN108457139B true CN108457139B (en) 2023-10-10

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CN109537660A (en) * 2019-01-04 2019-03-29 重庆长征重工有限责任公司 Bar shaped deep trouth foundation excavation equipment

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CN106638179A (en) * 2016-09-19 2017-05-10 中国铁道科学研究院铁道建筑研究所 Railway ballast sleeper bottom excavation device
CN208395587U (en) * 2018-05-27 2019-01-18 内蒙古工业大学 A kind of railway Qing Zha mechanism of adjustable face length

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