A device for the maintenance of a subway track

Abstract

The present application relates to a kind of maintenance device for subway track, including track polishing mechanism and track trolley, it is characterized in that: the track trolley is provided with three, it is first track trolley, second track trolley and third track trolley, the first track trolley with traction rail car can be detached connection, two ends of the second track trolley are connected with the first track trolley and the third track trolley respectively by traction assembly, the polishing mechanism is installed on first track trolley, rust recovery mechanism is installed on the second track trolley, rust-proof paint storage tank is installed on the third track trolley, the rust-proof paint storage tank is connected with first nozzle by first spraying pump, the first spraying pump is fixed in the bottom of third track trolley, the first nozzle is installed in the bottom of fixed plate.The design has the advantages of simple structure, easy to manufacture and practical efficient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of subway track, in particular to a kind of maintenance device for subway track. BACKGROUND

[0002] The subway is built in the city fast, large capacity, power traction track transport. Train runs on fully enclosed line, the line in the center of the city is basically set in underground tunnel, the line outside the center of the city is generally set on viaduct or ground. Subway is the city area covering all kinds of underground and ground right, high density, high volume of urban rail transit system. In the long-term use of subway track, due to oxidation, part of the track position may appear rust marks or produce foreign matter agglomeration, which may threaten the normal operation of subway, so it is necessary to maintain and repair the track regularly.

[0003] The subway track needs to be derusted and coated with anti-rust coating during maintenance, but iron rust often remains on the polished subway track, so anti-rust coating cannot be directly coated, manual iron rust treatment is needed before coating, which is very troublesome and low in efficiency, therefore, it is particularly important to design a kind of maintenance device for subway track to solve the above problems. SUMMARY

[0004] The present application is designed to solve the above problems, a kind of maintenance device for subway track, automatically complete the track rust removal work in the process of travel, and can remove the iron rust remaining on the track by suction before spraying anti-rust paint, which increases the practical performance.

[0005] To solve the above technical problems, the present application provides a kind of maintenance device for subway track, including track polishing mechanism and track trolley, characterized by: the track trolley is provided with three, which are first track trolley, second track trolley and third track trolley, the first track trolley is detachably connected with the traction track car, the two ends of the second track trolley are connected with the first track trolley and the third track trolley through traction assembly, the polishing mechanism is installed on the first track trolley, the second track trolley is provided with iron rust recovery mechanism, the third track trolley is provided with anti-rust paint storage tank, the anti-rust paint storage tank is connected with the first nozzle through the first spraying pump, the first spraying pump is fixed on the bottom of the third track trolley, the first nozzle is installed on the bottom of the fixed plate, and the fixed plate is connected with the third track trolley through the height adjusting mechanism.

[0006] Further, the bottom of the third track trolley is connected with a mounting seat through a connecting rod, the mounting seat is horizontally arranged and the front and rear ends thereof are opposite to the two parallel subway tracks, two mounting holes are formed in the front and rear ends of the mounting seat, the two mounting holes on the same side are arranged in a "I" shape and are respectively a first mounting hole and a second mounting hole, a recess is formed in the first mounting hole and the second mounting hole, a first contact switch is connected in the recess in the first mounting hole through a third spring, a second contact switch is connected in the recess in the second mounting hole through a fourth spring, a first contact rod is movably connected in the first mounting hole, one end of the first contact rod extends out of the first mounting hole and a first track contact wheel is arranged on the first contact rod, a first protruding contact part is arranged on the other end of the first contact rod, the first protruding contact part extends into the recess in the first mounting hole and is movably connected therewith, the first protruding contact part is opposite to the first contact switch, a second contact rod is movably connected in the second mounting hole, one end of the second contact rod extends out of the second mounting hole and a second track contact wheel is arranged on the second contact rod, a second protruding contact part is arranged on the other end of the second contact rod, the second protruding contact part extends into the recess in the second mounting hole and is movably connected therewith, the second protruding contact part is opposite to the second contact switch.

[0007] Still further, the third track trolley is provided with a marking paint spraying tank, two kinds of marking paint are arranged in the marking paint spraying tank, the two kinds of marking paint are communicated with a second spraying pump and a third spraying pump respectively, the second spraying pump and the third spraying pump are arranged on the bottom of the third track trolley, the second spraying pump is communicated with a second nozzle, the third spraying pump is communicated with a third nozzle, and the second nozzle and the third nozzle are arranged on the bottom of the fixing plate.

[0008] Still further, the height adjusting mechanism comprises a screw rod and adjusting nuts, the screw rod is vertically fixed on the bottom of the third track trolley, the lower end of the screw rod penetrates through the fixing plate and is movably connected therewith, a through hole is formed in the fixing plate relative to the position of the connecting rod, and one adjusting nut is connected to the screw rod on each of the upper and lower sides of the fixing plate, the fixing plate is clamped and fixed on the screw rod through the adjusting nuts on the upper and lower sides.

[0009] Still further, the rust recovery mechanism comprises a rust storage box fixed on the top of the second track trolley, a collecting seat arranged on the bottom of the second track trolley and an air suction pump, a plurality of collecting holes are evenly formed in the position of the bottom of the collecting seat opposite to the subway track, the air suction pump is arranged in the collecting seat and is communicated with the plurality of collecting holes respectively, and the air suction pump is communicated with the rust storage box through a conveying pipeline.

[0010] Further, the track polishing mechanism comprises a polishing head and a rotating motor, the top and bottom of the first track trolley are respectively provided with an upper cover body and a lower cover body, the lower cover body is detachably connected to the bottom of the first track trolley through bolts, the rotating motor is connected to the upper cover body through a lifting mechanism, the polishing head is installed at the output shaft end of the rotating motor, the first track trolley is provided with a first through groove at a position relative to the polishing head, and the bottom of the lower cover body is provided with a second through groove at a position relative to the polishing head, and the polishing head passes through the first through groove and the second through groove in sequence through the lifting mechanism.

[0011] Further, the lifting mechanism comprises a lifting electric cylinder, a lifting plate and a guide column, the guide column is vertically fixed to the top of the first track trolley in the upper cover body, the upper end of the guide column penetrates through the upper cover body and is provided with an external thread on the outer wall thereof, the guide column is connected with a locking nut on the external thread, the upper cover body is fixed to the top of the first track trolley through the cooperation of the locking nut and the external thread of the guide column, the lifting plate is movably connected to the guide column in the upper cover body through a guide through hole formed on the lifting plate, the lifting electric cylinder is installed at the top of the upper cover body, the output shaft end of the lifting electric cylinder extends into the upper cover body and is connected with the lifting plate, and the rotating motor is installed at the bottom of the lifting plate.

[0012] Further, the bottom of the lower cover body is further connected with a scraper through an L-shaped seat, the scraper is provided with three pieces, and the scraper is arranged in an inclined manner, and the three pieces of scrapers are sequentially connected with the L-shaped seat from left to right.

[0013] After the above structure is adopted, the track rust removal work is automatically completed in the process of movement, and the iron rust remaining on the track can be removed through suction before the anti-rust paint is sprayed, so that the practical performance is increased; in addition, the scraper arranged in the present application can remove the dirt and clumps adhered to the track before polishing, so that the wear of the polishing head is effectively reduced, and the cost is saved; and the present design also has the advantages of simple structure, easy manufacturing and high efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0015] Figure 1 The figure is a structural schematic diagram of the present application.

[0016] Figure 2 The figure is a connection structure diagram of the third track trolley.

[0017] Figure 3 The figure is a side view of the mounting seat. DETAILED DESCRIPTION

[0018] As Figure 1 and Figure 2The utility model provides a kind of maintenance device for subway track, including track polishing mechanism and track trolley, the track trolley is provided with three, it is first track trolley 1, second track trolley 2 and third track trolley 3 respectively, the first track trolley is detachably connected with traction rail car, two ends of the second track trolley are connected with the first track trolley and the third track trolley respectively by traction assembly, the polishing mechanism is installed on first track trolley, rust recovery mechanism is installed on the second track trolley, rust-proof paint storage tank 16 is installed on the third track trolley, the rust-proof paint storage tank is connected with first nozzle 21 by first spraying pump 19, the first spraying pump is fixed on the bottom of third track trolley, the first nozzle is installed on the bottom of fixed plate 20, the fixed plate is connected with third track trolley by height adjusting mechanism.Track trolley is walked along with traction rail car, first pass through polishing mechanism and polish track, then pass through rust recovery mechanism and remove the rust that remains on track, finally pass through first nozzle and spray rust-proof coating.The utility model automatically completes the rust removal work of track in the process of advancing, and rust remaining on track can be removed by suction force before spraying rust-proof paint, which increases practical performance.

[0019] As Figure 2The bottom of the third rail trolley is connected with a mounting seat 30 through a connecting rod 29, the mounting seat is horizontally arranged and the front and rear ends thereof are opposite to two parallel subway tracks, two mounting holes are formed in the front and rear ends of the mounting seat, the two mounting holes on the same side are arranged in a "I" shape and are respectively a first mounting hole and a second mounting hole, a recess is formed in the first mounting hole and the second mounting hole, a first contact switch is connected in the recess in the first mounting hole through a third spring, a second contact switch is connected in the recess in the second mounting hole through a fourth spring, a first contact rod 31 is movably connected in the first mounting hole, one end of the first contact rod extends out of the first mounting hole and a first track contact wheel is arranged on the first contact rod, a first protruding contact part is arranged on the other end of the first contact rod, the first protruding contact part extends into the recess in the first mounting hole and is movably connected with the recess, the first protruding contact part is opposite to the first contact switch, a second contact rod 32 is movably connected in the second mounting hole, one end of the second contact rod extends out of the second mounting hole and a second track contact wheel is arranged on the second contact rod, a second protruding contact part is arranged on the other end of the second contact rod, the second protruding contact part extends into the recess in the second mounting hole and is movably connected with the recess, the second protruding contact part is opposite to the second contact switch. The first contact switch and the second contact switch are electrically connected with the controller, the opening and closing of the first spraying pump is controlled by the controller, the initial interval of the two first track contact wheels is greater than that of the two second track contact wheels. When the first protruding contact part touches the first contact switch and the second protruding contact part does not touch the second contact switch, the first spraying pump is opened to spray the rust-proof coating.

[0020] As shown in Figure 2 and Figure 3 The third rail trolley is provided with a marking paint spraying tank 15, two kinds of marking paint are arranged in the marking paint spraying tank, the two kinds of marking paint are communicated with a second spraying pump 26 and a third spraying pump 242 respectively, the second spraying pump and the third spraying pump are arranged on the bottom of the third rail trolley, the second spraying pump is communicated with a second nozzle 27, the third spraying pump is communicated with a third nozzle 25, and the second nozzle and the third nozzle are arranged on the bottom of the fixing plate. When the first protruding contact part does not touch the first contact switch, it proves that the interval of the two tracks is too large, at this time the controller opens the second spraying pump to mark the tracks; when the first protruding contact part touches the first contact switch and the second protruding contact part also touches the second contact switch, it proves that the interval of the two tracks is too small, at this time the controller opens the third spraying pump to mark the tracks; the structure can effectively remind the later maintenance personnel that there is a problem with the marked track, and the practicality is improved.

[0021] As shown in Figure 2The height adjusting mechanism shown comprises a screw rod 28 and adjusting nuts, the screw rod is vertically fixed at the bottom of the third track trolley, the lower end of the screw rod passes through a fixed plate and is movably connected therewith, the fixed plate is provided with a through hole relative to the position of the connecting rod, and an adjusting nut is connected to the screw rod on each of the upper and lower sides of the fixed plate, and the fixed plate is clamped and fixed on the screw rod through the adjusting nuts on the upper and lower sides.

[0022] As shown in the figure Figure 1 The rust recovery mechanism shown comprises a rust storage box 14 fixed at the top of the second track trolley, a collecting seat 13 installed at the bottom of the second track trolley, and an air suction pump, the bottom of the collecting seat is uniformly provided with a plurality of collection holes opposite the position of the subway track, the air suction pump is installed in the collecting seat and is in communication with the plurality of collection holes respectively, and the air suction pump is in communication with the rust storage box through a conveying pipeline.

[0023] As shown in the figure Figure 1 The track polishing mechanism shown comprises a polishing head 10 and a rotary motor 5, the top and bottom of the first track trolley are respectively provided with an upper cover body 7 and a lower cover body 4, the lower cover body is detachably connected to the bottom of the first track trolley through bolts, the rotary motor is connected to the upper cover body through a lifting mechanism, the polishing head is installed at the output shaft end of the rotary motor, the first track trolley is provided with a first through slot relative to the position of the polishing head, the bottom of the lower cover body is provided with a second through slot relative to the position of the polishing head, and the polishing head passes through the first through slot and the second through slot in sequence through the lifting mechanism.

[0024] As shown in the figure Figure 1 The lifting mechanism shown comprises a lifting electric cylinder 9, a lifting plate 6, and a guide column 8, the guide column is vertically fixed at the top of the first track trolley in the upper cover body, the upper end of the guide column passes through the upper cover body and is provided with an external thread on the outer wall thereof, a locking nut is connected to the external thread of the guide column, the upper cover body is fixed at the top of the first track trolley through the cooperation of the locking nut and the external thread of the guide column, the lifting plate is movably connected to the guide column in the upper cover body through the guide through holes provided on the lifting plate, the lifting electric cylinder is installed at the top of the upper cover body, the output shaft end of the lifting electric cylinder extends into the upper cover body and is connected to the lifting plate, and the rotary motor is installed at the bottom of the lifting plate.

[0025] As shown in the figure Figure 1 The bottom of the lower cover body is further connected to a scraper 12 through an L-shaped seat 11, the scraper is provided with three pieces, the scrapers are arranged in an inclined manner, and the three scrapers are sequentially connected to the L-shaped seat from left to right. The scraper provided in the present application can remove the dirt and clumps adhered to the track before polishing, can effectively reduce the wear of the polishing head, and plays a role in saving cost; and the design also has the advantages of simple structure, easy manufacturing, and high efficiency.

[0026] The above are only preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical scheme falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and refinements without departing from the principles of the present application shall be considered as the protection scope of the present application.

Claims

1. A maintenance device for subway tracks, comprising a track grinding mechanism and a track trolley, characterized in that: The track trolley is provided with three trolleys, namely the first track trolley (1), the second track trolley (2) and the third track trolley (3). The first track trolley is detachably connected to the traction track trolley. The two ends of the second track trolley are connected to the first track trolley and the third track trolley respectively through the traction assembly. The grinding mechanism is installed on the first track trolley. The second track trolley is equipped with a rust recovery mechanism. The third track trolley is equipped with a rust-preventive coating storage tank (16). The rust-preventive coating storage tank is connected to the first nozzle (21) through the first spray pump (19). The first spray pump is fixed at the bottom of the third track trolley. The first nozzle is installed at the bottom of the fixing plate (20). The fixing plate is connected to the third track trolley through the height adjustment mechanism. The bottom of the third track trolley is connected to a mounting base (30) via a connecting rod (29). The mounting base is horizontally positioned with its front and rear ends facing two parallel subway tracks. Two mounting holes are provided at each of the front and rear ends of the mounting base. The two mounting holes on the same side are arranged in a straight line, and are respectively the first mounting hole and the second mounting hole. Grooves are provided in both the first and second mounting holes. A first contact switch is connected to the groove in the first mounting hole via a third spring, and a second contact switch is connected to the groove in the second mounting hole via a fourth spring. A first contact rod (31) is movably connected to the first mounting hole. One end of the first contact rod extends out of the first mounting hole and is provided with a first track contact wheel. The other end of the first contact rod is provided with a first protruding contact part. The first protruding contact part extends into the groove in the first mounting hole and is movably connected to it. The first protruding contact part is facing the first contact switch. The second mounting hole is movably connected to the second contact rod (32). One end of the second contact rod extends out of the second mounting hole and is provided with a second track contact wheel. The other end of the second contact rod is provided with a second protruding contact part. The second protruding contact part extends into the groove in the second mounting hole and is movably connected to it. The second protruding contact part is facing the second contact switch. The third track trolley is equipped with a marking paint spraying tank (15). The marking paint spraying tank contains two colors of marking paint. The two colors of marking paint are connected to the second spraying pump (26) and the third spraying pump (24) respectively. The second spraying pump and the third spraying pump are both installed at the bottom of the third track trolley. The second spraying pump is connected to the second nozzle (27), and the third spraying pump is connected to the third nozzle (25). The second nozzle and the third nozzle are both installed at the bottom of the fixed plate.

2. A maintenance device for subway tracks according to claim 1, characterized in that: The height adjustment mechanism includes a screw (28) and an adjusting nut. The screw is vertically fixed to the bottom of the third track trolley. The lower end of the screw passes through the fixing plate and is movably connected to it. The fixing plate has a through hole relative to the connecting rod. An adjusting nut is connected to the screw on both the upper and lower sides of the fixing plate. The fixing plate is clamped and fixed to the screw by the adjusting nuts on the upper and lower sides.

3. A maintenance device for subway tracks according to claim 1, characterized in that: The rust recycling mechanism includes a rust storage box (14) fixed on the top of the second track trolley, a collection seat (13) installed at the bottom of the second track trolley, and an air pump. The bottom of the collection seat is evenly provided with several collection holes facing the subway track. The air pump is installed in the collection seat and is connected to several collection holes respectively. The air pump is connected to the rust storage box through a delivery pipe.

4. A maintenance device for subway tracks according to claim 1, characterized in that: The track grinding mechanism includes a grinding head (10) and a rotary motor (5). The top and bottom of the first track trolley are respectively equipped with an upper cover (7) and a lower cover (4). The lower cover is detachably connected to the bottom of the first track trolley by bolts. The rotary motor is connected to the upper cover by a lifting mechanism. The grinding head is installed at the output shaft end of the rotary motor. A first through slot is opened on the first track trolley relative to the position of the grinding head. A second through slot is opened at the bottom of the lower cover relative to the position of the grinding head. The grinding head passes through the first through slot and the second through slot in sequence by the lifting mechanism.

5. A maintenance device for subway tracks according to claim 4, characterized in that: The lifting mechanism includes a lifting cylinder (9), a lifting plate (6), and a guide column (8). The guide column is vertically fixed to the top of the first track trolley inside the upper cover. The upper end of the guide column passes through the upper cover and has an external thread on its outer wall. A locking nut is connected to the external thread of the guide column. The upper cover is fixed to the top of the first track trolley by the cooperation of the locking nut and the external thread of the guide column. The lifting plate is movably connected to the guide column inside the upper cover through a guide hole. The lifting cylinder is installed on the top of the upper cover. The output shaft end of the lifting cylinder extends into the upper cover and is connected to the lifting plate. The rotary motor is installed at the bottom of the lifting plate.

6. A maintenance device for subway tracks according to claim 4, characterized in that: The bottom of the lower cover is also connected to a scraper (12) via an L-shaped seat (11). There are three scrapers, which are arranged at an angle. The three scrapers are connected to the L-shaped seat from left to right.

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