CN218574191U - Stone tiny fragments of stone, coal, etc. screening dolly - Google Patents

Abstract

The utility model provides a stone tiny fragments of stone, coal, etc. screening dolly relates to track traffic technical field. It includes the frame unit, screening unit and dirty soil conveyer belt, the screening unit includes the shell, drive assembly, screening cage and storage component, on the frame unit is connected to the shell, the both ends of shell are connected with drive assembly and storage component respectively, the screening cage is connected and is located the inside of shell with the drive assembly drive, dirty soil conveyer belt is located the below of shell and rotates with the frame unit and is connected, stone ballast screening dolly can accomplish the separation of tiny fragments of stone, coal, etc. soil and stone ballast backfill to the sleeper below with the stone ballast after the separation simultaneously in-process of walking, the dirty soil of separation is carried to the side slope outside or is retrieved with other recovery plant through dirty soil conveyer belt, avoid dirty soil to pollute stone ballast again, through adopting the operation mode of screening while backfilling, construction efficiency is greatly improved, the problem that screening scraper bowl efficiency is low in the clear sieve of the operation of district section stone ballast has been remedied.

Description

Stone tiny fragments of stone, coal, etc. screening dolly

Technical Field

The utility model belongs to the technical field of the track traffic technique and specifically relates to a stone tiny fragments of stone, coal, etc. screening dolly is related to.

Background

With the development of society, rail transit becomes more and more developed, more and more railway lines are built all over the country, most of China is ballast railways, and the stone ballast is indispensable material for the maintenance of the newly-built railway or the existing railway, so that the recycling of the old stone ballast is particularly important, the use amount of new stone ballast is reduced, the maintenance cost is reduced, and the resource environment is protected.

The applicant finds that at least the following technical problems exist in the prior art: the large-scale screening machine is generally used for collecting, screening and refilling waste stone ballasts in large-scale centralized railway maintenance, but the large-scale screening machine needs multiple marshalling vehicles for matched construction, the construction organization is complex, the use cost of the machine is high, the daily maintenance of a construction section generally adopts small-section operation, most of the situations are to discard and refill the old stone ballasts by using new stone ballasts or to refill the old stone ballasts after screening by using a screening bucket, the discarding of the old stone ballasts wastes stone ballast resources at first, the pollution to the surrounding environment is also caused, the capacity of the screening bucket is small, the screening and refilling can not be realized, the efficiency is low, and the field use requirement can not be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stone tiny fragments of stone, coal, etc. screening dolly to solve the stone tiny fragments of stone, coal, etc. screening inefficiency, the higher, environmental pollution's of cost technical problem that exist among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a stone tiny fragments of stone, coal, etc. screening dolly, includes frame unit, screening unit and dirty soil conveyer belt, the screening unit includes shell, drive assembly, screening cage and storage component, the shell is connected on the frame unit, the both ends of shell respectively with drive assembly with storage component is connected, the screening cage with the drive assembly drive is connected and is located the inside of shell, dirty soil conveyer belt is located the below of shell and with the frame unit rotates to be connected.

Preferably, the frame unit comprises a frame body, a rail wheel connected to the bottom of the frame body, and a driving device connected to the frame body and in driving connection with the rail wheel.

Preferably, one end of the shell, which is close to the driving assembly, is provided with a feed inlet communicated with the inner cavity of the shell, the bottom of the shell is provided with a dirty soil discharge port communicated with the inner cavity of the shell, the dirty soil discharge port is positioned above the dirty soil conveying belt, and the top of the shell is provided with a dust exhaust port communicated with the inner cavity of the shell.

Preferably, a viewing window is provided on a side wall of the housing.

Preferably, drive assembly is driving motor, the screening cage is including screening cage axle, helical blade and spoke, screening cage axle with driving motor's output shaft is connected, helical blade screwed connection is in screening cage is epaxial, a plurality of the spoke is followed the circumferential direction evenly distributed of screening cage axle and all with helical blade's the outside is connected.

Preferably, the storage assembly comprises a storage box, a discharge baffle structure and a push rod structure, the discharge baffle structure is rotatably connected with the bottom of the storage box, and two ends of the push rod structure are respectively movably connected with the storage box and the discharge baffle structure.

Preferably, the discharging baffle structure comprises a central baffle positioned in the middle and two end baffles positioned at two ends of the central baffle respectively.

Preferably, the thickness of the center of the central baffle plate is larger than the thickness of the two ends of the central baffle plate, so that one side of the central baffle plate close to the storage box forms two inclined surfaces.

Preferably, the housing is connected to the frame unit through a bracket and suspended from the frame unit.

Preferably, the soil screening machine further comprises a power unit and a control unit, wherein the power unit is in driving connection with the frame unit, the screening unit and the soil conveying belt, and the control unit is in communication connection with the frame unit, the screening unit and the soil conveying belt.

The utility model has the advantages that: the stone ballast screening dolly includes the frame unit, screening unit and dirty soil conveyer belt, stone ballast screening dolly is from taking power, can accomplish the separation of tiny fragments of stone, coal, etc. and carry out the stone ballast backfill to the sleeper below with the stone ballast after the separation simultaneously at the in-process of walking, the dirty soil of separation is carried to the side slope outside or is used other recovery plant to retrieve through dirty soil conveyer belt, avoid dirty soil to pollute the stone ballast again, through adopting the operation mode of screening limit backfill, the efficiency of construction is greatly improved, compensate the low problem of screening scraper bowl efficiency in the clear operation of small segment railway stone ballast.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a structural view of the utility model;

fig. 2 is a structural view of the frame unit of the utility model;

figure 3 is a block diagram of the sieving unit of the utility model;

figure 4 is a block diagram of the screening cage of the utility model provided with spokes;

figure 5 is a structural diagram of the meshing connection between the screening cage and the drive motor through the rotary gear ring and the drive gear;

FIG. 6 is a schematic view of the magazine assembly of the present invention;

FIG. 7 is a view showing the construction of the right side sewage discharge of the dirty-soil conveyer belt of the utility model;

FIG. 8 is a view showing the construction of the left-side sewage discharge of the dirty-soil conveyer belt of the utility model;

in the figure 1, a frame unit; 11. a frame body; 12. a rail wheel;

2. a screening unit; 21. a housing; 211. a feed inlet; 212. a dirty soil discharge hole; 213. a dust exhaust port; 214. an observation window; 22. a drive assembly; 221. a drive gear; 23. screening a cage; 231. screening a cage shaft; 232. a helical blade; 233. spokes; 234. rotating the gear ring; 235. screening a screen; 24. a material storage component; 241. a material storage box; 242. a discharge baffle structure; 2421. a central baffle; 2422. an end baffle; 243. a push rod structure; 25. a support;

3. a dirty soil conveyor belt;

4. a power unit;

5. a control unit.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on those shown in fig. 1, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

Referring to fig. 1 to 8, the utility model provides a ballast screening trolley, which comprises a frame unit 1, a screening unit 2 and a dirty soil conveyor belt 3, wherein the frame unit 1 is a main carrier of the screening unit 2 and the dirty soil conveyor belt 3, and can drive the screening unit 2 and the dirty soil conveyor belt 3 to move under the action of power;

the screening unit 2 comprises a shell 21, a driving assembly 22, a screening cage 23 and a storage assembly 24, the shell 21 is connected to the frame unit 1, two ends of the shell 21 are respectively connected with the driving assembly 22 and the storage assembly 24, the screening cage 23 is in driving connection with the driving assembly 22 and is located inside the shell 21, the screening cage 23 can be overturned under the driving of the driving assembly 22 to separate stone ballast from dirty soil, the dirty soil can be discharged from the shell 21 and fall onto a dirty soil conveyor belt 3, the stone ballast can be moved into the storage assembly 24 to complete a screening function, the screened stone ballast can be conveniently backfilled and stored, the storage assembly 24 is arranged to collect and store the stone ballast conveyed by the screening cage 23, and meanwhile, when the stone ballast needs to be backfilled, the storage assembly 24 can release the stored stone ballast;

the dirty soil conveyor belt 3 is positioned below the shell 21 and is rotationally connected with the frame unit 1, and the dirty soil conveyor belt 3 can conveniently dispose the separated dirty soil; dirty soil conveyer belt 3 can rotate relative frame unit 1, makes dirty soil can arrange the bank protection to the left and right sides as required, perhaps can make dirty soil conveyer belt 3 be connected to flatbed or other recovery plant and retrieve according to the needs of retrieving, and dirty soil conveyer belt 3 accessible bottom is connected rotating device rotates, and the structure of dirty soil conveyer belt 3 itself and be used for its pivoted rotating device are known to the skilled person in the art, and the retrench is no longer described herein in detail.

As an optional embodiment, the frame unit 1 includes a frame body 11, rail wheels 12 and a driving device, the rail wheels 12 are connected to the bottom of the frame body 11, the driving device is connected to the frame body 11 and is in driving connection with the rail wheels 12, wherein the frame body 11 is a main carrier of the screening unit 2 and the soil conveying belt 3, the number of the rail wheels is preferably four, two rail wheels 12 are provided on each rail, the driving device can drive the rail wheels 12 to rotate after being started, and then drive the frame body 11 to move integrally, a self-walking function can be performed, a guarantee is provided for backfilling while screening, the structure of the driving device itself is a relatively conventional prior art, and is well known to those skilled in the art, and detailed description is omitted here.

As an alternative embodiment, one end of the outer shell 21 close to the driving assembly 22 is provided with a feeding hole 211 communicated with an inner cavity of the outer shell 21, a mixed material of dirt and stone ballast can enter the inside of the outer shell 21 through the feeding hole 211 and enter the screening cage 23, the bottom of the outer shell 21 is provided with a dirt discharging hole 212 communicated with the inner cavity of the outer shell, the dirt discharging hole 212 is located above the dirt conveyor belt 3, dirt screened by the screening cage 23 can be discharged onto the dirt conveyor belt 3 from the dirt discharging hole 212, the top of the outer shell 21 is provided with a dust discharging hole 213 communicated with the inner cavity of the outer shell, and the dust discharging hole 213 can discharge dust generated in the screening cage 23.

As an alternative embodiment, an observation window 214 is disposed on a side wall of the casing 21, and a tempered glass is preferably disposed at the observation window, so that the screening condition inside the casing 21 can be conveniently observed through the tempered glass.

As an alternative embodiment, the driving assembly 22 is a driving motor, the screening cage 23 includes a screening cage shaft 231, helical blades 232, and spokes 233, the screening cage shaft 231 is connected to an output shaft of the driving motor, the helical blades 232 are spirally connected to the screening cage shaft 231, a plurality of spokes 233 are uniformly distributed along a circumferential direction of the screening cage shaft 231 and are all connected to an outer side of the helical blades 232, gaps between the spokes 233 preferably only allow dirty soil and broken stone slag to pass through, the stone ballast cannot pass through, the driving motor can drive the screening cage shaft 231 to rotate after being started, the screening cage shaft 231 can drive the helical blades 232 and all the spokes 233 to rotate, old stone ballast is turned and moved in the screening cage 23 under the rotation action of the helical blades 232, the stone ballast and the dirty soil are separated through turning, the dirty soil falls to a dirty soil discharge port 212 through the gaps between the spokes 233, then falls to the dirty soil conveyor belt 3, and the stone ballast moves to the storage assembly 24 to complete a screening function;

it should be noted that, in addition to the connection between the screening cage 23 and the driving assembly 22 via the screening cage shaft 231, it is preferable that a rotary gear 234 is disposed at one end of the screening cage 23, a driving gear 221 is connected to the output shaft of the driving motor, the driving gear 221 and the rotary gear 234 are engaged with each other to realize the driving connection between the screening cage 23 and the driving motor, the rotation of the output shaft of the driving motor can drive the driving gear 221 to rotate, the rotation of the driving gear 221 can drive the screening cage 23 to rotate, furthermore, the spokes 233 can be replaced by a mesh 235, which can only allow soil and small broken stones to pass through, and the specific combination form of the screening cage 23 and the driving assembly 22 can be flexibly selected according to the actual use requirement.

As an optional implementation manner, the storage assembly 24 includes a storage box 241, a discharge baffle structure 242 and a push rod structure 243, a stone ballast discharge port is arranged at the bottom of the storage box 241, the stone ballast discharge port corresponds to the discharge baffle structure 242, the discharge baffle structure 242 is rotationally connected with the bottom of the storage box 241, two ends of the push rod structure 243 are respectively movably connected with the storage box 241 and the discharge baffle structure 242, the push rod structure 243 is started to drive the discharge baffle structure 242 to rotate, the discharge baffle structure 242 is rotated to open or close the stone ballast discharge port, a flexible control effect is achieved, when backfilling is needed, the discharge baffle structure 242 can be opened through the push rod structure 243 to begin backfilling stone ballasts.

As an optional embodiment, according to actual use needs, the storage box 241 is preferably provided with three stone ballast discharge ports, the outer side of each steel rail corresponds to one stone ballast discharge port, and an area between two steel rails corresponds to one stone ballast discharge port, so that the number of baffles in the discharge baffle structure 242 is also three, and the discharge baffle structure includes a central baffle 2421 located in the middle and two end baffles 2422 located at two ends of the central baffle 2421, and the central baffle 2421 and the end baffles 2422 may be opened or closed separately, and when a certain position needs to be refilled, the central baffle 2421 or the end baffles 2422 at the corresponding position may be opened, so that stone ballasts at the corresponding position start refilling.

As an optional embodiment, the thickness of the center of the central baffle 2421 is greater than the thickness of the two ends of the central baffle 2421, so that one side of the central baffle 2421 close to the storage tank 241 forms two inclined planes, and when the storage tank 241 releases and pours the stone ballast, the stone ballast at the central baffle 2421 can topple and move along the two inclined planes, so that the stone ballast can be backfilled to the corresponding position of the area inside each steel rail more accurately.

As an alternative embodiment, the housing 21 is connected to the frame unit 1 through the bracket 25 and is suspended from the frame unit 1, specifically, one end of the bracket 25 is connected to the housing 21, and the other end is connected to the frame unit 1, the housing 21 is suspended from the frame so that there is enough space under the housing 21 to mount and fix the soil conveyor belt 3, and the fixed end of the soil conveyor belt 3 is disposed opposite to the soil outlet 212, so that the soil directly falls onto the soil conveyor belt 3 through the soil outlet 212, and the suspended arrangement can make the soil conveyor belt 3 have enough space to rotate on the left and right sides, so that the soil can be conveyed to different places.

As an optional embodiment, the soil-polluted soil screening device further comprises a power unit 4 and a control unit 5, wherein the power unit 4 is in driving connection with the frame unit 1, the screening unit 2 and the polluted soil conveying belt 3, the power unit 4 can provide power sources for the frame unit 1, the screening unit 2 and the polluted soil conveying belt 3, the power unit 4 can be a power battery, a hydraulic pump station or other power equipment, in this embodiment, the power battery is preferably used as the power source, and the power unit 4 formed by batteries is a relatively conventional prior art, and is not described in detail herein;

the control unit 5 is in communication connection with the frame unit 1, the screening unit 2 and the soil conveyor belt 3, the control unit 5 is preferably a controller and can control the frame unit 1, the screening unit 2 and the soil conveyor belt 3, and the structure and the control method of the control unit 5 formed by the controller and other devices are conventional prior art and are not described in detail herein.

In actual construction, old ballasts below sleepers are generally cleaned to two sides of the sleepers, the bottoms of the sleepers are suspended, the screening trolley disclosed by the embodiment automatically moves to a target area, after the pollution discharge direction of the dirty soil conveyor belt 3 is adjusted, the system is started, the screening cage 23 starts to rotate, the dirty soil conveyor belt 3 starts to run, an excavator bucket or other loading devices can be used for loading the old ballasts to the trolley feed inlet 211, under the action of the screening cage 23, the old ballasts turn and move in the screening cage 23, dirty soil falls onto the dirty soil conveyor belt 3 through the gaps of the spokes 233 after turning, the old ballasts are discharged to the outer side of a slope protection through the dirty soil conveyor belt 3, the screened ballasts move to the storage box 241, the end baffles 2422 on the storage box 241 are opened, the ballasts are backfilled to two sides of the tracks, the trolley also moves on the tracks while screening, the stones move while the tracks are backfilled, the central baffles 2421 on the storage box 241 are opened while the tracks are used for backfilling the ballasts, the stones between the two tracks are also moved while the screening operation is finished, the backfilling operation of the old ballasts, the screening, the backfilling process of the old ballasts is greatly increased, and the backfilling efficiency of the old ballasts is reduced, and the construction is greatly reduced.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a stone tiny fragments of stone, coal, etc. screening dolly, its characterized in that includes frame unit (1), screening unit (2) and dirt conveyer belt (3), wherein: screening unit (2) include shell (21), drive assembly (22), screening cage (23) and storage components (24), shell (21) are connected on frame unit (1), the both ends of shell (21) respectively with drive assembly (22) with storage components (24) are connected, screening cage (23) with drive assembly (22) drive is connected and is located the inside of shell (21), dirty soil conveyer belt (3) are located the below of shell (21) and with frame unit (1) rotate and are connected.

2. The ballast screening trolley according to claim 1, wherein: the frame unit (1) comprises a frame body (11), rail wheels (12) and a driving device, wherein the rail wheels (12) are connected to the bottom of the frame body (11), and the driving device is connected to the frame body (11) and is in driving connection with the rail wheels (12).

3. The ballast screening trolley according to claim 1, wherein: the utility model discloses a dirty soil conveying belt (3) is characterized in that shell (21) is close to the one end of drive assembly (22) be provided with feed inlet (211) that shell (21) inner chamber is linked together, the bottom of shell (21) is provided with dirt discharge gate (212) that are linked together rather than the inner chamber, dirt discharge gate (212) are located the top of dirty soil conveyer belt (3), the top of shell (21) is provided with dust exhaust mouth (213) that are linked together rather than the inner chamber.

4. The ballast screening trolley according to claim 1, wherein: and a viewing window (214) is arranged on the side wall of the shell (21).

5. The ballast screening trolley according to claim 1, wherein: drive assembly (22) is driving motor, screening cage (23) are including screening cage axle (231), helical blade (232) and spoke (233), screening cage axle (231) with driving motor's output shaft is connected, helical blade (232) screwed connection be in on the screening cage axle (231), a plurality of spoke (233) are followed the circumferential direction evenly distributed of screening cage axle (231) and all with the outside of helical blade (232) is connected.

6. The ballast screening trolley according to claim 1, wherein: the material storage assembly (24) comprises a material storage box (241), a material discharging baffle structure (242) and a push rod structure (243), the material discharging baffle structure (242) is rotatably connected with the bottom of the material storage box (241), and two ends of the push rod structure (243) are respectively movably connected with the material storage box (241) and the material discharging baffle structure (242).

7. The ballast screening trolley according to claim 6, wherein: the discharging baffle structure (242) comprises a central baffle (2421) located in the middle and two end baffles (2422) located at two ends of the central baffle (2421) respectively.

8. The ballast screening trolley according to claim 7, wherein: the thickness of the center of the central baffle (2421) is larger than the thickness of the two ends of the central baffle so that two inclined surfaces are formed on one side of the central baffle close to the storage box (241).

9. The ballast screening trolley according to claim 1, wherein: the housing (21) is connected to the frame unit (1) via a support (25) and is suspended relative to the frame unit (1).

10. The ballast screening trolley according to claim 1, wherein: still include power pack (4) and control unit (5), power pack (4) with frame unit (1), screening unit (2) and dirty soil conveyer belt (3) drive are connected, control unit (5) with frame unit (1), screening unit (2) and dirty soil conveyer belt (3) communication connection.

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