CN218424366U - Automatic cleaning equipment for protection system of lower contact type contact rail - Google Patents

Abstract

The utility model provides a lower contact type automatic cleaning equipment for a protection system of a contact rail, wherein the protection system comprises a protection cover and an insulating support, and a traveling rail is laid on one side of the protection system; a small rail car and a small car beam which is fixed on the small rail car and extends towards the protection system are arranged on the walking rail; a first cleaning mechanism for cleaning the protective cover and/or a second cleaning mechanism for cleaning the insulating support are/is arranged on the trolley beam; when the rail trolley moves, the first cleaning mechanism and/or the second cleaning mechanism are driven to move synchronously; the realization carries out deep washing to protection casing and insulating support shape structure, improves clean efficiency and clean degree.

Description

Automatic cleaning equipment for protection system of lower contact type contact rail

Technical Field

The utility model relates to a contact rail protection system washs the field, concretely relates to protection system self-cleaning equipment of lower contact type contact rail.

Background

The contact rail is also called as a third rail, and the device for transmitting electric energy to electric traction vehicles of subway and urban rail transit systems has the following installation modes according to the different current taking modes of the collector shoes of the vehicles from the contact rail: go up contact, down contact, side contact three kinds of modes, contact formula under the adoption is used in most cities of china, contact formula contact rail installation back sets up protection system down externally, because contact rail during operation leads to there is high tension current, for guarantee vehicle and passenger's safety, need install necessary protector promptly contact rail protection system on the contact rail, this protection system mainly comprises protection casing and insulating support two parts, wherein the protection casing is laid along track one side along the contact rail, and insulating support then the interval is installed and is supported the contact rail on the railway roadbed.

After long-term operation, under the influence of piston wind, waste water, carbon powder and dust doped with pollutants can be accumulated on the surface of the protection system, the components of the pollutants are complex and are not easy to fall off automatically, and the pollutants can become good conductors to form flashover and even ablation in a humid environment, so that great potential safety hazards are brought to subway operation, and timely cleaning and decontamination of the protection system are important work content of subway operation and maintenance; for example, in a subway station in an interval of 1.5km, in the design that the installation distance of the insulating supports is 4m, the number of the protective covers needing to be cleaned is 3km, and the number of the insulating supports is 750; the amount of cleaning work required is thus enormous.

For example, chinese patent CN215613507U discloses a third rail insulator washing device, which includes a fixed frame, a rotary guide sleeve disposed on the fixed frame, a washing rotary mechanism slidably disposed on the rotary guide sleeve, and a driving member disposed on the fixed frame and used for driving the washing rotary mechanism to slide along the rotary guide sleeve; the washing rotating mechanism comprises a washing rotating frame arranged on the rotating guide sleeve in a sliding mode, an upper nozzle assembly and a lower nozzle assembly which are arranged on the washing rotating frame, and the upper nozzle assembly and the lower nozzle assembly are arranged oppositely; the cleaning device has the advantages of compact structure, simplicity in operation and convenience in installation, and can be used for cleaning the third rail insulators with different structures in various current receiving modes by adjusting the different directions of the nozzle assemblies.

Disclose the clean mode that washes protection casing and insulating support through the nozzle in the above-mentioned patent, but do not carry out the mating type according to protection casing shape and insulating support shape and wash, do not realize deep clean, and wash and produce the ponding influence after the back and contact rail safe handling down easily.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a protection system self-cleaning equipment of lower contact type conductor rail has solved and has carried out deep abluent problem to protection casing and insulating support shape structure.

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

a protection system automatic cleaning device of a lower contact type contact rail comprises a protection cover and an insulating support, wherein a traveling rail is laid on one side of the protection system; a trolley and a trolley cross beam which is fixed on the trolley and extends towards the protection system are arranged on the walking rail;

a first cleaning mechanism for cleaning the protective cover and/or a second cleaning mechanism for cleaning the insulating support are/is arranged on the trolley beam;

when the rail trolley moves, the first cleaning mechanism and/or the second cleaning mechanism are driven to move synchronously.

Preferably, the first cleaning mechanism comprises a first mounting bracket fixedly mounted on the trolley beam, two first roller brushes for cleaning the surface of the protective cover, a first side roller brush for cleaning the inner side surface of the protective cover and a second side roller brush for cleaning the outer side surface of the protective cover are rotatably mounted on the first mounting bracket;

the first mounting bracket is provided with a first motor for driving the first roller brushes to rotate synchronously, a second motor for driving the first side roller brushes to rotate, and a third motor for driving the second side roller brushes to rotate.

Preferably, the two first roller brushes are in driving connection with the output shaft of the first motor through a first synchronous belt structure.

Preferably, the second cleaning mechanism comprises a longitudinal support and a transverse support which are fixedly arranged on the trolley beam, the longitudinal support is provided with a longitudinal lifting mechanism and an outer cleaning assembly arranged on the longitudinal lifting mechanism, and the outer cleaning assembly is used for cleaning the outer side surface of the insulating support;

the transverse support is provided with a transverse moving mechanism and an inner side cleaning assembly arranged on the transverse moving mechanism, and the inner side cleaning assembly is used for cleaning the inner side surface of the insulating support.

Preferably, the outer side cleaning assembly comprises an outer side frame arranged on the longitudinal lifting mechanism, and a first outer side roller brush and a second outer side roller brush positioned above the first outer side roller brush are rotatably arranged on the outer side frame;

still install on the outside frame and be located two third outside roller brushes of first outside roller brush front side, install the fourth motor on the outside frame, the output shaft of fourth motor with first outside roller brush takes the drive to be connected through the second synchro-band, first outside roller brush with second outside roller brush, two the third outside roller brush all takes the drive to be connected through the third synchro-band.

Preferably, the inner side cleaning assembly comprises a transverse bracket arranged on the transverse moving mechanism, and a first inner side roller brush, two second inner side roller brushes and two third inner side roller brushes are rotatably arranged on the transverse bracket;

the second inner side roller brush and the third inner side roller brush which are positioned on the same side are obliquely arranged, and a gap is reserved between the second inner side roller brush and the first inner side roller brush;

a fifth motor is mounted on the transverse support, and an output shaft of the fifth motor is in driving connection with the first inner side roller brush through a fourth synchronous belt structure; the first inner side roller brush is in driving connection with the two second inner side roller brushes and the two third inner side roller brushes on the two sides through a fifth synchronous belt structure.

Preferably, the second cleaning mechanism comprises a transverse bracket fixedly mounted on the trolley beam, a transverse moving mechanism and an inner side cleaning assembly mounted on the transverse moving mechanism are mounted on the transverse bracket, and an outer side cleaning assembly is rotatably mounted on the inner side cleaning assembly;

the outer side cleaning assembly is arranged on the inner side cleaning assembly, the rotating frame is arranged on the outer side cleaning assembly, a sixth motor is arranged on the inner side cleaning assembly, and an output shaft of the sixth motor is in driving connection with the rotating frame through a sixth synchronous belt structure.

Preferably, the inner side cleaning assembly comprises an inner side frame mounted on the transverse moving mechanism, and two coaxially connected fourth inner side roller brushes and two fifth inner side roller brushes respectively located at the outer sides of the two fourth inner side roller brushes are rotatably mounted on the inner side frame;

the inner side frame is provided with a transmission shaft, and the two fifth inner side roller brushes are respectively connected with the transmission shaft through a seventh synchronous belt structure in a driving way;

and a seventh motor is arranged on the inner side frame, and an output shaft of the seventh motor is in driving connection with the fourth inner side roller brush and the transmission shaft through an eighth synchronous belt structure.

Preferably, the outside cleaning assembly comprises an outside frame installed on the rotating frame, a fourth outside roller brush is installed on the outside frame in a rotating mode, and an eighth motor for driving the fourth outside roller brush to rotate is further installed on the outside frame.

Preferably, a lead screw lifting structure is arranged on the rail trolley, and the trolley beam is fixedly arranged on the lead screw lifting structure;

the rail trolley is also provided with a water tank and a diaphragm pump arranged on the water tank, and water supply pipes are connected between the diaphragm pump and the first cleaning mechanism and between the diaphragm pump and the second cleaning mechanism;

the first cleaning mechanism and the second cleaning mechanism are provided with spray head structures connected to the water supply pipe;

the rail trolley is provided with a lithium battery pack for supplying energy and a ninth motor for driving the rail trolley to travel;

and a PLC control box for comprehensive control is integrally installed on the small rail car.

Compared with the prior art, the utility model discloses following beneficial effect has:

when the rail trolley on the walking rail moves along the walking rail, the first cleaning mechanism and the second cleaning mechanism are driven to move, wherein the first cleaning mechanism is matched with the shape structure of the protective cover for cleaning, and the second cleaning mechanism is matched with the shape structure of the insulating support for cleaning, so that the protective cover and the insulating support on the corresponding moving path can be automatically cleaned in the rapid moving process of the rail trolley; the wiper mechanism to protection casing and insulating support structure matching setting can deep clean to avoid producing the ponding condition that directly bath water formed, improve clean efficiency and maintain the security.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic structural view of a first cleaning mechanism according to a first embodiment;

FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 4 is a schematic diagram illustrating a first perspective view of a second cleaning mechanism according to a second embodiment;

FIG. 5 is a second perspective structural view of a second cleaning mechanism in a second embodiment;

fig. 6 is a schematic structural diagram of a third embodiment of the present invention;

FIG. 7 is a first perspective view of a second cleaning mechanism according to a third embodiment;

FIG. 8 is a second perspective view of a second cleaning mechanism according to a third embodiment;

in the figure, the position of the upper end of the main shaft,

the protection cover 1, the insulation support 2, the traveling rails 3, the rail trolley 4, the trolley beam 5, the first cleaning mechanism 6, the first mounting support 61, the first roller brushes 62, the first side roller brushes 63, the second side roller brushes 64, the first motor 65, the second motor 66, the third motor 67, the first synchronous belt structure 68, the second cleaning mechanism 7, the longitudinal support 71, the transverse support 72, the outer cleaning assembly 73, the outer frame 731, the first outer roller brush 732, the second outer roller brush 733, the third outer roller brush 734, the fourth motor 735, the second synchronous belt structure 736, the third synchronous belt structure 737, the fourth outer roller brush 738, the eighth motor 739, the inner cleaning assembly 74, the transverse support 741, the first inner roller brush 742, the second inner roller brush 743, the third inner roller brush 744, the fifth motor 745, the fourth synchronous belt structure 748, the fifth synchronous belt structure 747, the inner roller brush 749, the fourth inner roller brush 749, the fifth inner roller brush 7410, the transmission shaft 7410, the seventh synchronous belt structure 7411, the seventh synchronous belt structure 7412, the seventh synchronous belt structure 749, the lifting mechanism 75, the ninth synchronous belt structure lift motor 748, the ninth synchronous belt structure 79, the ninth synchronous belt structure 75, the third synchronous belt structure lift motor 79.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.

As shown in fig. 1-8, the embodiment of the present invention provides an automatic cleaning device for a protection system of a lower contact type contact rail, the protection system includes a protection cover 1 and an insulation support 2, wherein the protection cover 1 has an inverted-u-shaped cross section, and the insulation support has an inverted-u-shaped cross section and an L-like cross section. A travelling rail 3 is laid on one side of the protection system, the travelling rail 3 is a train track, and the travelling rail 3 has the advantage of being fixed relative to the laying position by moving; a small rail car 4 and a car beam 5 which is fixed on the small rail car 4 and extends towards the protection system are arranged on the walking rail 3, the small rail car 4 can adopt a car structure which is suitable for moving on the walking rail 3, and can adopt a conventional maintenance car, and the car beam 5 is fixed on the small rail car 4 so as to extend towards the protection system, thereby realizing the subsequent cleaning function; a first cleaning mechanism 6 for cleaning the protective cover 1 or a second cleaning mechanism 7 for cleaning the insulating support 2 is mounted on the trolley beam 5, generally, the first cleaning mechanism 6 and the second cleaning mechanism 7 are respectively mounted on the two rail trolleys 4, so that different cleaning processes can be realized according to different cleaning objects; of course, the first cleaning mechanism 6 and the second cleaning mechanism 7 may be integrated on one rail trolley 4, and in this embodiment, the following explanation is made in a manner that the first cleaning mechanism 6 and the second cleaning mechanism 7 are respectively installed on two rail trolleys 4; thereby, when the rail trolley 4 moves, the first cleaning mechanism 6 and/or the second cleaning mechanism 7 are driven to move synchronously; the first cleaning mechanism 6 and the second cleaning mechanism 7 are mainly synchronous with the movement of the rail trolley 4 in the moving process; particularly, the integration of the automatic positioning system such as the position detection sensor on the rail car 4 is not discussed in the present embodiment, and it can be understood that the deep cleaning is mainly performed on the protection cover 1 and the insulating support 2, respectively.

Specifically, as shown in fig. 1 and 2, the first cleaning mechanism 6 includes a first mounting bracket 61 fixedly mounted on the trolley beam 5, two first roller brushes 62 for cleaning the surface of the protective cover 1, a first side roller brush 63 for cleaning the inner side surface of the protective cover 1, and a second side roller brush 64 for cleaning the outer side surface of the protective cover 1 are rotatably mounted on the first mounting bracket 61; three surfaces of the protective cover 1 are coated through the first roller brush 62, the first side roller brush 63 and the second side roller brush 64, and cleaning can be synchronously realized; specifically install on first installing support 61 and be used for driving two first motor 65 of first roller brush 62 synchronous revolution is used for the drive first side roller brush 63 pivoted second motor 66, and be used for driving second side roller brush 64 pivoted third motor 67, the roller brush that corresponds the position through first motor 65, second motor 66 and third motor 67 independent drive respectively rotates, realizes the washing on protection casing 1 surface, can spray water through small rail car 4 in the specific cleaning process, if install the shower nozzle on first installing support 61 and spout the water in the water tank 9 that bears on small rail car 4, can avoid the water jet volume to too big ponding that produces, can improve clean degree through the clean mode of friction.

In order to enable the two first roller brushes 62 to rotate synchronously, the two first roller brushes 62 are in driving connection with the output shaft of the first motor 65 through a first synchronous belt structure 68; the specific synchronous belt structure comprises two synchronous belt wheels and a synchronous belt sleeved on the two synchronous belt wheels, and power transmission with the same rotating speed can be realized.

Specifically, as shown in fig. 3, fig. 4, and fig. 5, the second cleaning mechanism 7 includes a longitudinal support 71 and a transverse support 74172 fixedly mounted on the trolley cross beam 5, a longitudinal lifting mechanism 75 and an outer cleaning assembly 73 mounted on the longitudinal lifting mechanism 75 are mounted on the longitudinal support 71, the outer cleaning assembly 73 is used for cleaning the outer side surface of the insulating support 2, and the outer cleaning assembly 73 is driven by the longitudinal lifting mechanism 75 to mainly clean the outer side surface of the insulating support 2. Meanwhile, install lateral shifting mechanism 76 and install on lateral shifting mechanism 74172 inboard cleaning assembly 74 on the lateral shifting mechanism 76, inboard cleaning assembly 74 is used for wasing 2 medial surfaces of insulating support drive inboard cleaning assembly 74 through horizontal slewing mechanism and be close to insulating direct medial surface and wash. The longitudinal lifting mechanism 75 and the transverse moving mechanism 76 are both structures which drive the screw rod to rotate through the motor so as to move the target, mature screw rod transmission mechanisms in the prior art can be adopted, and the specific structures are not described in detail.

Wherein, the outside cleaning assembly 73 comprises an outside frame 731 arranged on the longitudinal lifting mechanism 75, and the whole outside cleaning assembly 73 is lifted and moved mainly by driving the outside frame 731; specifically, a first outer roller brush 732 and a second outer roller brush 733 located above the first outer roller brush 732 are rotatably mounted on the outer frame 731; meanwhile, two third outside roller brushes 734 located in front of the first outside roller brush 732 are further mounted on the outside frame 731, a fourth motor 735 is mounted on the outside frame 731, an output shaft of the fourth motor 735 is in driving connection with the first outside roller brush 732 through a second synchronous belt structure 736, and the first outside roller brush 732 is in driving connection with the second outside roller brush 733 and the two third outside roller brushes 734 through a third synchronous belt structure 737; therefore, the first outer roller brush 732, the second outer roller brush 733 and the two third outer roller brushes 734 are synchronously driven by the fourth motor 735 to rotate simultaneously, so that the appearance of the vertical part of the insulating bracket 2 is cleaned.

The cleaning of the transverse portion of the insulating support 2 is performed by an inside cleaning assembly 74, specifically, the inside cleaning assembly 74 includes a transverse support 74172 mounted on the transverse moving mechanism 76, a first inside roller brush 742, two second inside roller brushes 743 and two third inside roller brushes 744 are rotatably mounted on the transverse support 74172 and located on two sides of the first inside roller brush 742, and the diameters of the first inside roller brush 742 and the second inside roller brush 743 are limited by the width of the side wall matching the insulating support 2, so as to avoid interference caused by overlarge size; the second inner roller brush 743 and the third inner roller brush 744 which are positioned at the same side are obliquely arranged, and a gap is formed between the second inner roller brush 743 and the third inner roller brush 744 and the first inner roller brush 742, so that the gap penetrates through the side wall of the insulating bracket 2, and the two sides of the side wall can be cleaned; meanwhile, a fifth motor 745 is installed on the lateral bracket 74172, and an output shaft of the fifth motor 745 is drivingly connected with the first inner roller brush 742 through a fourth timing belt structure 746; the first inner side roller brush 742 is in driving connection with the two second inner side roller brushes 743 and the two third inner side roller brushes 744 on the two sides through a fifth synchronous belt structure 747; the fifth motor 745 synchronously drives the first inner side roller brush 742, the two second inner side roller brushes 743 and the two third inner side roller brushes 744 to synchronously rotate, so that the inside and the side wall of the insulating bracket 2 are synchronously cleaned.

In addition to the above technical solutions, the second cleaning mechanism 7 also provides a second implementation manner in this embodiment, specifically, as shown in fig. 6, fig. 7 and fig. 8, the second cleaning mechanism 7 includes a transverse bracket 74172 fixedly mounted on the trolley cross beam 5, a transverse moving mechanism 76 and an inside cleaning assembly 74 mounted on the transverse moving mechanism 76 are mounted on the transverse bracket 74172, and an outside cleaning assembly 73 is rotatably mounted on the inside cleaning assembly 74; meanwhile, the cleaning device also comprises a rotating frame 77 for mounting the outer side cleaning assembly 73, wherein the rotating frame 77 is mounted on the inner side cleaning assembly 74, a sixth motor 78 is mounted on the inner side cleaning assembly 74, and an output shaft of the sixth motor 78 is in driving connection with the rotating frame 77 through a sixth synchronous belt structure 79; that is, the outside washing assembly 73 is driven by the sixth motor 78 and the sixth timing belt structure 79 to rotate to the outside of the insulating support 2 for cleaning operation, which is different from the up-and-down adjustment in the above embodiment.

Specifically, the inside cleaning assembly 74 includes an inside frame 748 mounted on the transverse moving mechanism 76, two coaxially connected fourth inside roller brushes 749 and two fifth inside roller brushes respectively located outside the four inside roller brushes 749 are rotatably mounted on the inside frame 748, the fourth inside roller brushes 749 at the same side position are used for cleaning the inside wall and the bottom wall, and the fifth inside roller brushes are used for cleaning the outside wall, so that the inside and outside walls of the side plate of the insulating bracket 2 can be simultaneously cleaned after the operation; in order to make the fifth inner side roller brushes on both sides rotate synchronously, a transmission shaft 7411 is installed on the inner side frame 748, and the two fifth inner side roller brushes are respectively connected with the transmission shaft 7411 through a seventh synchronous belt structure 7412 in a driving manner; a seventh motor 7413 is mounted on the inner frame 748, and an output shaft of the seventh motor 7413 is drivingly connected to the fourth inner roller brush 749 and the transmission shaft 7411 via an eighth timing belt structure 7414; the fourth inner roller brush 749 and the fifth inner roller brush arranged on the inner side can synchronously rotate to form cleaning through the seventh motor 7413, the seventh synchronizing belt structure 7412 and the eighth synchronizing belt structure 7414, and the cleaning process of the inner side and the side plate part of the insulating support 2 is realized.

Meanwhile, the lateral cleaning assembly 73 comprises a lateral frame 731 installed on the rotating frame 77, a fourth lateral roller brush 738 is rotatably installed on the lateral frame 731, and an eighth motor 739 for driving the fourth lateral roller brush 738 to rotate is also installed on the lateral frame 731; the fourth outside roller brush 738 is driven by the eighth motor 739 to directly clean the outside vertical sidewall of the insulating support 2.

Based on the roller brush structure among above-mentioned first wiper mechanism 6, the second wiper mechanism 7 can be respectively to the surface of protection casing 1, the inside and outside face of insulating support 2 cleans, realizes the clear effect of degree of depth, can draw forth rivers from small rail car 4 at clean in-process and spout wet, combines the clean degree that improves of friction.

Specifically, a screw rod lifting structure 8 is arranged on the rail trolley 4, the trolley crossbeam 5 is fixedly mounted on the screw rod lifting structure 8, and the screw rod lifting structure 8 is also in the prior art, and aims to adjust the relative heights of the first cleaning mechanism 6 and the second cleaning mechanism 7 to adapt to the mounting heights of the protective cover 1 and the insulating support 2. Meanwhile, a water tank 9 and a diaphragm pump 10 installed on the water tank 9 are further arranged on the rail trolley 4, a water supply pipe is connected between the diaphragm pump 10 and the first cleaning mechanism 6 and between the diaphragm pump 10 and the second cleaning mechanism 7, a spray head structure connected to the water supply pipe is arranged on the first cleaning mechanism 6 and on the second cleaning mechanism 7, water is supplied to a position needing to be cleaned through the diaphragm pump 10, and then the position needing to be cleaned is sprayed with moisture, so that cleaning can be achieved under the friction acting force of the roller brushes. Specifically, a lithium battery pack 11 for supplying energy and a ninth motor 12 for driving the small rail car 4 to move are mounted on the small rail car 4, the ninth motor 12 is used as a power source of the whole machine to realize movement driving, and the small rail car 4 only adopts a conventional car structure capable of moving on a moving rail; a PLC control box and a lithium battery pack 11 for comprehensive control are integrally installed on the rail trolley 4, and the PLC control box and the lithium battery pack 11 adopt conventional technologies and mainly control the motor and the pump and provide power.

It should be noted that, in the embodiment, the action mechanisms for cleaning the protection cover 1 and the insulating support 2 are mainly proposed, and a specific control system is described in another scheme or by using the prior art; the mentioned motors are all stepping motors, and devices related to control can be found from the existing product models according to requirements, and the embodiment is not described repeatedly.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (10)

1. A lower contact type automatic cleaning device for a protection system of a contact rail comprises a protection cover (1) and an insulating support (2), wherein a traveling rail (3) is laid on one side of the protection system; the method is characterized in that: a rail trolley (4) and a trolley cross beam (5) which is fixed on the rail trolley (4) and extends towards the protection system are arranged on the walking rail (3);

a first cleaning mechanism (6) for cleaning the protective cover (1) and/or a second cleaning mechanism (7) for cleaning the insulating support (2) are/is arranged on the trolley beam (5);

when the rail trolley (4) moves, the first cleaning mechanism (6) and/or the second cleaning mechanism (7) are driven to move synchronously.

2. The automatic cleaning equipment for the protection system of the lower contact type contact rail according to claim 1, characterized in that: the first cleaning mechanism (6) comprises a first mounting bracket (61) fixedly mounted on the trolley beam (5), two first roller brushes (62) for cleaning the surface of the protective cover (1), a first side roller brush (63) for cleaning the inner side surface of the protective cover (1) and a second side roller brush (64) for cleaning the outer side surface of the protective cover (1) are rotatably mounted on the first mounting bracket (61);

the first mounting bracket (61) is provided with a first motor (65) for driving the two first roller brushes (62) to synchronously rotate, a second motor (66) for driving the first side roller brush (63) to rotate, and a third motor (67) for driving the second side roller brush (64) to rotate.

3. The automatic cleaning equipment for the protection system of the lower contact type contact rail according to claim 2, characterized in that: the two first roller brushes (62) are in driving connection with the output shaft of the first motor (65) through a first synchronous belt structure (68).

4. The automatic cleaning equipment for the protection system of the lower contact type contact rail according to claim 1, characterized in that: the second cleaning mechanism (7) comprises a longitudinal support (71) and a transverse support (741) (72), the longitudinal support (71) is fixedly mounted on the trolley cross beam (5), a longitudinal lifting mechanism (75) and an outer side cleaning assembly (73) mounted on the longitudinal lifting mechanism (75) are mounted on the longitudinal support (71), and the outer side cleaning assembly (73) is used for cleaning the outer side face of the insulating support (2);

and a transverse moving mechanism (76) and an inner side cleaning assembly (74) arranged on the transverse moving mechanism (76) are arranged on the transverse supports (741) and (72), and the inner side cleaning assembly (74) is used for cleaning the inner side surface of the insulating support (2).

5. The automatic cleaning equipment for the protection system of the lower contact type contact rail according to claim 4, characterized in that: the outer side cleaning assembly (73) comprises an outer side frame (731) arranged on the longitudinal lifting mechanism (75), and a first outer side roller brush (732) and a second outer side roller brush (733) positioned above the first outer side roller brush (732) are rotatably arranged on the outer side frame (731);

two third outer side roller brushes (734) located at the front sides of the first outer side roller brushes (732) are further installed on the outer side frame (731), a fourth motor (735) is installed on the outer side frame (731), an output shaft of the fourth motor (735) is in driving connection with the first outer side roller brushes (732) through a second synchronous belt structure (736), and the first outer side roller brushes (732) are in driving connection with the second outer side roller brushes (733) and the two third outer side roller brushes (734) through a third synchronous belt structure (737).

6. The automatic cleaning equipment for the protection system of the lower contact type contact rail according to claim 4, characterized in that: the inner side cleaning assembly (74) comprises a transverse bracket (741) (72) mounted on the transverse moving mechanism (76), and a first inner side roller brush (742) and two second inner side roller brushes (743) and two third inner side roller brushes (744) positioned at two sides of the first inner side roller brush (742) are rotatably mounted on the transverse bracket (741) (72);

the second inner side roller brush (743) and the third inner side roller brush (744) which are positioned at the same side are obliquely arranged, and a gap is formed between the second inner side roller brush and the first inner side roller brush (742);

a fifth motor (745) is installed on the transverse supports (741) (72), and an output shaft of the fifth motor (745) is in driving connection with the first inner roller brush (742) through a fourth synchronous belt structure (746); the first inner side roller brush (742) is in driving connection with the two second inner side roller brushes (743) on the two sides and the two third inner side roller brushes (744) through a fifth synchronous belt structure (747).

7. The automatic cleaning equipment for the protection system of the lower contact type contact rail according to claim 1, characterized in that: the second cleaning mechanism (7) comprises transverse brackets (741) and (72) fixedly mounted on the trolley cross beam (5), a transverse moving mechanism (76) and an inner side cleaning assembly (74) mounted on the transverse moving mechanism (76) are mounted on the transverse brackets (741) and (72), and an outer side cleaning assembly (73) is rotatably mounted on the inner side cleaning assembly (74);

still including the installation the rotating turret (77) of outside cleaning assembly (73), rotating turret (77) are installed on the inboard cleaning assembly (74), install sixth motor (78) on the inboard cleaning assembly (74), the output shaft of sixth motor (78) with rotating turret (77) are through the drive connection of sixth synchro belt structure (79).

8. The automatic cleaning equipment for the protection system of the lower contact type contact rail according to claim 7, characterized in that: the inner side cleaning assembly (74) comprises an inner side frame (748) mounted on the transverse moving mechanism (76), wherein two coaxially connected fourth inner side roller brushes (749) and two fifth inner side roller brushes which are respectively positioned at the outer sides of the four fourth inner side roller brushes (749) are rotatably mounted on the inner side frame (748);

a transmission shaft (7411) is arranged on the inner side frame (748), and the two fifth inner side roller brushes are respectively in driving connection with the transmission shaft (7411) through a seventh synchronous belt structure (7412);

and a seventh motor (7413) is installed on the inner side frame (748), and an output shaft of the seventh motor (7413) is in driving connection with the fourth inner side roller brush (749) and the transmission shaft (7411) through an eighth synchronous belt structure (7414).

9. The automatic cleaning equipment for the protection system of the lower contact type contact rail according to claim 8, characterized in that: the outside cleaning assembly (73) comprises an outside frame (731) installed on the rotating frame (77), a fourth outside roller brush (738) is installed on the outside frame (731) in a rotating mode, and an eighth motor (739) for driving the fourth outside roller brush (738) to rotate is further installed on the outside frame (731).

10. The automatic cleaning device for the protection system of the lower contact type contact rail according to any one of claims 1 to 9, wherein: a lead screw lifting structure (8) is arranged on the rail trolley (4), and the trolley cross beam (5) is fixedly arranged on the lead screw lifting structure (8);

the rail trolley (4) is also provided with a water tank (9) and a diaphragm pump (10) arranged on the water tank (9), and a water supply pipe is connected between the diaphragm pump (10) and the first cleaning mechanism (6) and between the diaphragm pump (10) and the second cleaning mechanism (7);

the first cleaning mechanism (6) and the second cleaning mechanism (7) are provided with spray head structures connected to the water supply pipe;

the rail trolley (4) is provided with a lithium battery pack (11) for supplying energy and a ninth motor (12) for driving the rail trolley (4) to walk;

and a PLC control box for comprehensive control is integrally installed on the small rail car (4).

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