Rail automatic spraying maintenance system

Abstract

The utility model discloses a rail automatic spraying maintenance system which comprises a vehicle body and a pair of rails, walking wheels are arranged on the vehicle body, a water tank and a storage battery are arranged on the vehicle body, and a water adding opening of the water tank is formed in the top of the vehicle body. A driving subsystem, a braking subsystem and an automatic supplementing subsystem are arranged on the vehicle body, a horizontal telescopic support is rotationally arranged on the vehicle body, a fixed stand column extending upwards is arranged at the tail end of the horizontal telescopic support, and a swing spraying subsystem is arranged at the top of the fixed stand column; the brake subsystem comprises a brake limiting microswitch, and after a brake device of the brake subsystem brakes in place, the automatic supplement subsystem is started to add water, charge and heat water; the driving subsystem comprises a front proximity switch and a rear proximity switch which are arranged on the front side and the rear side of the vehicle body, the front proximity switch is used for switching the reverse movement direction, and the rear proximity switch is used for stopping the driving subsystem. The structure is simple and compact, functions are diversified, and spraying maintenance can be stably conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of spraying and curing, in particular to a tracked automatic spraying and curing system. Background Art

[0002] During the tunnel construction process, the concrete poured on the inner wall needs to be sprayed for maintenance. The conventional maintenance method is to spray manually or use a maintenance trolley for spraying. Manual operation requires multiple people to operate, which is labor-intensive and prone to uneven spraying. Usually, multiple nozzles are fixed on the pipeline for water spraying maintenance, but it is easy to cause serious attenuation of water spray pressure, uneven pressure, and uneven maintenance.

[0003] CN 204149309 U discloses a tunnel secondary lining maintenance dust removal spray trolley, comprising a door-shaped load-bearing frame, a walking device and a spray assembly; the spray assembly comprises an arched water spray pipe and a water collection tank; the lower end of the arched water spray pipe is connected to a pressurized water pump and a water storage tank in sequence; the water collection tank is connected to the water storage tank through a recovery pipe. However, due to the large size of the trolley, high equipment cost, and limited scope of application, it can only be applied to tunnels with a tunnel size larger than the trolley size, and the trolley is only provided with a clearance hole at the bottom, which is difficult to avoid when other larger equipment needs to pass. Therefore, there is an urgent need for a maintenance mechanism with a simple and compact structure that can stably perform spray maintenance. Utility Model Content

[0004] The utility model aims to solve the technical problems existing in the prior art, and particularly innovatively proposes a tracked automatic spraying maintenance system, which has a simple and compact structure, multiple functions, and can stably perform spraying maintenance.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a track-mounted automatic spraying maintenance system, comprising a vehicle body and a pair of tracks, the vehicle body is provided with running wheels for moving on the tracks, the vehicle body is provided with a water tank and a storage battery, and the top of the vehicle body is provided with a water filling port of the water tank; the vehicle body is provided with a driving subsystem, a braking subsystem and an automatic replenishing subsystem, and the automatic replenishing subsystem is used to add water to the water tank, charge the storage battery and heat the water in the water tank; a horizontal telescopic bracket is rotatably provided on the vehicle body, a fixed column extending upward is provided at the end of the horizontal telescopic bracket, and a swinging spraying subsystem is provided on the top of the fixed column;

[0006] The braking subsystem includes a brake limit micro switch. When the braking device of the braking subsystem is in place, the automatic replenishment subsystem is started to add water, charge and heat the water;

[0007] The driving subsystem includes a front proximity switch and a rear proximity switch arranged on the front and rear sides of the vehicle body, the front proximity switch is used to switch the movement in the reverse direction, and the rear proximity switch is used to stop the driving subsystem;

[0008] The drive subsystem also includes a walking motor and a reduction mechanism, the output end of the walking motor is connected to the input end of the reduction mechanism, and the output end of the reduction mechanism is connected to the walking wheel; the drive subsystem also includes a walking drive circuit, the walking drive circuit includes one end of the normally closed contact of the rear proximity switch connected to one end of the start switch, the other end of the start switch is connected to the positive electrode of the power supply, the other end of the normally closed contact of the rear proximity switch is connected to one end of the normally open contact of the second relay, one end of the normally open contact of the front proximity switch and one end of the normally closed contact of the second relay; the other end of the normally open contact of the second relay is connected to the other end of the normally open contact of the front proximity switch, the other end of the normally open contact of the front proximity switch is connected to one end of the second relay winding, and the other end of the second relay winding is connected to the negative electrode of the power supply;

[0009] The other end of the normally closed contact of the second relay is connected to one end of the winding of the first relay, and the other end of the winding of the first relay is connected to the negative electrode of the power supply; one end of the normally open contact of the first group of switches of the first relay is connected to one end of the start switch, one end of the normally closed contact of the first group of switches of the first relay is connected to the negative electrode of the power supply, and one end of the common contact of the first group of switches of the first relay is connected to one end of the winding of the walking motor;

[0010] One end of the normally open contact of the second group of switches of the first relay is connected to the negative pole of the power supply, one end of the normally closed contact of the second group of switches of the first relay is connected to one end of the start switch, and one end of the common contact of the second group of switches of the first relay is connected to the other end of the walking motor winding.

[0011] In the above scheme: the horizontal telescopic bracket includes a sliding rod, a vertical rod and a transverse rod, the vertical rod is fixed on the vehicle body, and the transverse rod is installed on the top of the vertical rod through a rotating connection structure; a plurality of locking rings are arranged on the transverse rod at intervals along the extension direction thereof, and the sliding rod passes through all the locking rings at the same time and is fixed by the locking bolts on the locking rings;

[0012] The swing spray subsystem includes a swing motor fixed on the top of a fixed column, the swing motor output shaft is connected to the spray reducer input shaft, the spray reducer output shaft is extended forward and backward, and is connected to a spray assembly through a spray clamp; the spray assembly is connected to a water supply system, and the water supply system is equipped with a pressure pump; spray limit micro switches are arranged on the left and right sides of the spray reducer output shaft, and the two corresponding spray limit micro switches on the output shaft of the spray reducer are arranged with contact springs, and the spray limit micro switches are used to switch the rotation direction of the swing motor; the spray assembly includes an extended nozzle, the bottom end of the extended nozzle is detachably mounted with the spray reducer output shaft through a spray clamp, the bottom end of the extended nozzle is provided with a movable joint, and is connected to the water pipe of the water supply system through the movable joint, and the end of the extended nozzle is detachably provided with a spray head.

[0013] In the above scheme: the two spray limit micro switches are respectively a limit release switch and a limit reversal switch, the normally closed contact of the limit release switch is connected to one end of the start switch, and the other end of the start switch is connected to the positive pole of the power supply, the common contact of the limit release switch is connected to the normally open contact of the limit reversal switch, the common contact of the limit reversal switch is connected to one end of the limit self-locking relay winding and one end of the spray reversal relay winding, the other end of the limit self-locking relay winding and the other end of the spray reversal relay winding are both connected to the negative pole of the power supply, one end of the normally open contact of the limit self-locking relay is connected to the common contact of the limit reversal switch, and the other end of the normally open contact of the limit self-locking relay is connected to the normally open contact of the limit reversal switch;

[0014] One end of the starting switch is connected to the normally closed contacts of the first group of switches of the spray reversal relay and the normally open contacts of the second group of switches of the spray reversal relay, the two ends of the swing motor winding are respectively connected to the common contacts of the first group of switches and the second group of switches of the spray reversal relay, and the negative pole of the power supply is connected to the normally open contacts of the first group of switches of the spray reversal relay and the normally closed contacts of the second group of switches of the spray reversal relay.

[0015] In the above scheme: the spray fixture includes a spray fixing block and a clamping piece, the spray fixing block is used to be fixed together with the spray reducer, the spray fixing piece and the clamping piece are used to clamp the extended spray pipe, a clamping threaded hole is provided on one side of the spray fixing block, and the clamping piece is equipped with a pair of clamping bolts and is fixed by the clamping bolts;

[0016] The spray fixing block is provided with a through hole for the output shaft of the spray reducer to pass through, and the spray fixing block is provided with a tightening threaded hole arranged perpendicular to the through hole, and is fixed by tightening the output shaft of the spray reducer with a tightening bolt. The clamping is stable and not easy to fall off, and at the same time, it can also meet the swing of the spray component.

[0017] In the above scheme: the braking subsystem includes a worm, a worm wheel, a connecting piece and a vertically arranged brake rod installed on the vehicle body; the worm is driven by a brake motor and meshes with the worm wheel, the brake motor is a forward and reverse motor, the worm wheel is fixedly connected to the connecting piece and the worm wheel is hinged to the vehicle body, one end of the connecting piece away from the worm wheel is hinged to the brake rod, and the bottom end of the brake rod is connected to the brake of the vehicle body through a connecting rod;

[0018] The vehicle body is provided with a brake release limit micro switch and a brake limit micro switch which are spaced apart from each other up and down, and the brake lever is provided with a pair of limit cross bars which are spaced apart from each other up and down, and the two limit cross bars are both located between the brake release limit micro switch and the brake limit micro switch;

[0019] The automatic replenishment subsystem includes a water pump switch button arranged at the water filling station, a telescopic rod for pressing the water pump switch button is arranged at the rear side of the vehicle body, and a water pipe located above the vehicle body is arranged at the water filling station. When the brake limit micro switch detects that the brake is in place, the telescopic rod is extended and the water pump switch button is pressed to start the water pump at the water filling station to add water;

[0020] The water tank is provided with a water level lower limit detector, a water level upper limit detector and a heater. When the water level in the water tank is insufficient, the water level lower limit detector issues a water adding reminder; the water level upper limit detector is used to stop the water pump at the water adding station and start the heater for heating. The water tank is provided with a thermostat, and the thermostat is used to stop the heater from heating;

[0021] A charging station is arranged on the rear side of the track, and the charging station includes a charging socket. The charging socket and a water pipe are fixed to the bottom surface through a support frame. A charging plug is arranged on the rear side of the vehicle body corresponding to the charging socket. The charging plug is used to charge the battery. After the vehicle body is blocked by the blocking structure, the charging plug is just inserted into the charging socket.

[0022] In the above scheme: the charging socket is installed on the front side of the charging bracket through a spring seat; the spring seat includes a guide telescopic cross bar whose rear end is fixed to the charging bracket, the guide telescopic cross bar is outerly provided with a guide telescopic sleeve, the front end of the guide telescopic sleeve is fixed to the charging socket, and the guide telescopic sleeve is also outerly provided with a spring, and the two ends of the spring are respectively fixed to the charging bracket and the charging socket.

[0023] In the above scheme: the automatic replenishment subsystem also includes a heating circuit, the heating circuit includes one end of the normally open contact of the brake limit micro switch connected to the positive electrode of the power supply, one end of the normally open contact of the water level upper limit detector connected to the other end of the normally open contact of the brake limit micro switch, the other end of the normally open contact of the water level upper limit detector connected to one end of the water level control relay winding, and the other end of the water level control relay winding connected to the negative electrode of the power supply;

[0024] One end of the normally open contact of the water level control relay is connected to the other end of the normally open contact of the brake limit micro switch, the other end of the normally open contact of the water level control relay is connected to one end of the temperature control relay winding, and the other end of the temperature control relay winding is connected to the negative pole of the power supply; one end of the normally open contact of the temperature control relay is connected to the other end of the normally open contact of the brake limit micro switch, the other end of the normally open contact of the temperature control relay is connected to one end of the heater, and the other end of the heater is connected to the negative pole of the power supply;

[0025] The automatic replenishment subsystem also includes an automatic water-adding circuit, which includes one end of the normally open contact of the brake limit microswitch connected to the positive pole of the power supply, the other end of the normally open contact of the brake limit microswitch connected to one end of the delay relay winding, and the other end of the delay relay winding connected to the negative pole of the power supply; one end of the normally open contact of the time delay relay is connected to one end of the normally closed contact of the water level control relay, the other end of the normally closed contact of the water level control relay is connected to the other end of the normally open contact of the brake limit microswitch, the other end of the normally open contact of the time delay relay is connected to one end of the water-adding relay winding, and the other end of the water-adding relay winding is connected to the negative pole of the power supply; one end of the normally open contact of the water-adding relay is connected to the other end of the normally open contact of the brake limit microswitch, the other end of the normally open contact of the water-adding relay is connected to one end of the electromagnetic push rod, and the other end of the electromagnetic push rod is connected to the negative pole of the power supply;

[0026] One end of the normally open contact of the water pump switch button is connected to the other end of the normally open contact of the brake limit micro switch, the other end of the normally open contact of the water pump switch button is connected to one end of the water pump control contactor winding, and the other end of the water pump control contactor winding is connected to the negative pole of the power supply; one end of the normally open contact of the water pump control contactor is connected to the other end of the normally open contact of the brake limit micro switch, the other end of the normally open contact of the water pump control contactor is connected to one end of the water pump, and the other end of the water pump is connected to the negative pole of the power supply;

[0027] It also includes a charging circuit, which includes one end of the normally open contact of the delay relay connected to the other end of the normally open contact of the brake limit microswitch, the other end of the normally open contact of the delay relay connected to one end of the battery, and the other end of the battery connected to the negative pole of the power supply.

[0028] In the above scheme: blocking structures are arranged at intervals above the track; the blocking structures include blocking beams and detection plates corresponding to the front proximity switches or rear proximity switches, and the height of the blocking beams is lower than the bottom of the vehicle body and is used to resist the running wheels.

[0029] In the above scheme: the detection piece is tilted, and one end close to the vehicle body is lower than the other end, and the height difference between the two ends of the detection piece is smaller than the detection distance of the corresponding front proximity switch or rear proximity switch.

[0030] In the above scheme: the two ends of the blocking beam are slidably connected to the two tracks through sliding legs respectively, a slider clamped on the track is provided at the bottom of the sliding leg, a locking nut is also provided on the sliding leg, and the detection piece is fixed on the slider.

[0031] In summary, the utility model has the following beneficial effects: simple and compact structure, diverse functions, and can stably perform spray maintenance to meet the spraying needs. The swing spray subsystem can swing back and forth to spray, thereby spraying the vault of the tunnel. The horizontal telescopic bracket can adjust the position of the fixed column and the spray assembly to ensure that the spray assembly is on the center line of the tunnel, ensuring the spraying effect, and can be applied to tunnels of different sizes, with a wide range of applications. The driving subsystem can stably drive the vehicle to move, thereby ensuring that the concrete maintenance operation can be completed. The braking subsystem can stably brake the vehicle when returning to the starting point to ensure that the vehicle stops, so as to facilitate the subsequent automatic replenishment subsystem to work. The automatic replenishment subsystem can add water to the water tank, charge the battery, and heat the water in the water tank automatically. When the spraying is completed or replenishment is needed, it can automatically return to the starting point without manual control, so as to replenish, and it can swing left and right during spraying to ensure the spraying range and effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the utility model and a tunnel.

[0033] Figure 2 It is a schematic diagram of the vehicle body and track of the utility model.

[0034] Figure 3 This is a top view of the barrier structure.

[0035] Figure 4 This is the installation diagram of the front proximity switch.

[0036] Figure 5 It is the circuit diagram of the walking motor and the circuit diagram of the swing motor.

[0037] Figure 6 It is a schematic diagram of the connection between vertical rods and horizontal rods.

[0038] Figure 7 It is a schematic diagram of the spray reducer, spray assembly and spray fixture.

[0039] Figure 8 It is a cross-sectional view of the spray reducer.

[0040] Fig. 9 It is a schematic diagram of the spray limit micro switch, contact spring and spray reducer.

[0041] Fig.10 It is a structural diagram of the water filling station and the vehicle body.

[0042] Fig.11 It is a structural diagram of the braking subsystem.

[0043] Fig.12 This is the circuit diagram of the brake circuit.

[0044] Fig.13 It is the circuit diagram of automatic water adding circuit, heating circuit and charging circuit.

[0045] Fig.14 Circuit diagram of the timer start circuit. DETAILED DESCRIPTION

[0046] The present invention will be further described below by way of embodiments and in conjunction with the accompanying drawings:

[0047] like Figure 1 to Figure 14 As shown, a track-mounted automatic sprinkler maintenance system includes a vehicle body 1 and a pair of tracks 1c. The vehicle body 1 is provided with running wheels 1a for moving on the tracks 1c. The vehicle body 1 moves on the tracks 1a. The moving direction of the vehicle body 1 is ensured, so that the sprinkler assembly is always on the center line of the tunnel. The tracks 1a are arranged close to one side of the tunnel, leaving as much space as possible for passage, and the arrangement is reasonable.

[0048] A horizontal telescopic bracket is rotatably arranged on the vehicle body 1. The horizontal telescopic bracket includes a slide bar 2c, a vertical bar 2a and a transverse bar 2b. The vertical bar 2a is fixed on the vehicle body 1, and the transverse bar 2b is installed on the top of the vertical bar 2a through a rotation connection structure. A plurality of locking rings 2f are arranged at intervals on the transverse bar 2b along its extension direction. The slide bar 2c passes through all the locking rings 2f at the same time and is fixed by the locking bolts on the locking rings 2f.

[0049] Specifically, the vertical rod 2a is fixed to the front side of the vehicle body 1, and the rotating connection structure is a bolt roller bearing 10, which is fixed to the top of the vertical rod 2a through a clamp 11. The bolts of the bolt roller bearing 10 are arranged upward, and a through hole for the bolt to pass through is arranged on the transverse rod 2b, and is fixed by a nut. A cushion block 2e is arranged between the transverse rod 2b and the sliding rod 2c. The structure is simple and the arrangement is reasonable. Compared with the rotating sleeve, the bolt roller bearing 10 is arranged, and the connection is more stable and not easy to fall out.

[0050] The vertical rod 2a is a round rod, and the transverse rod 2b and the slide rod 2c are both square rods. The vertical rod 2a is set as a round rod, which is convenient for fixing and rotating. The transverse rod 2b and the slide rod 2c are both square rods, which can ensure the direction of the fixed column 2d and prevent the fixed column 2d from rotating, thereby ensuring the installation stability of the spray assembly.

[0051] The end of the slide bar 2c is provided with a fixed column 2d extending upward, and a swing motor 4a is provided on the top of the fixed column 2d. The model of the swing motor 4a is YX5882-45-60. The output shaft of the swing motor 4a is connected to the input shaft of the spray reducer 4b, and the output shaft of the spray reducer 4b is connected to the spray assembly through the spray clamp 9, and the spray assembly is connected to the water supply system. The water supply system is equipped with a pressure pump 6d, and spray limit micro switches 4d are provided on both sides of the output shaft of the spray reducer 4b. Contact springs 5 ​​are provided on the output shaft of the spray reducer 4b corresponding to the two spray limit micro switches 4d, and the spray limit micro switches 4d are used to switch the rotation direction of the swing motor 4a.

[0052] It also includes a timing start circuit, including one end of the normally open contact of the second circuit breaker QF2 connected to the positive pole of the 12V power supply, the other end of the normally open contact of the second circuit breaker QF2 connected to one end of the normally open contact of the manual power button SB41 and one end of the normally open contact of the power-on delay relay KT4, the other end of the normally open contact of the manual power-on button SB41 connected to the other end of the normally open contact of the power-on delay relay KT4 and one end of the winding of the power-on delay relay KT4, and the other end of the winding of the power-on delay relay KT4 connected to the negative pole of the 12V power supply.

[0053] One end of the normally open contact of the first circuit breaker QF1 is connected to the positive pole of the 24V power supply, and the other end of the normally open contact of the first circuit breaker QF1 is connected to one end of the winding of the first timed start delay relay KT2 and one end of the winding of the second timed start delay relay KT3. The other end of the winding of the first timed start delay relay KT2 and the other end of the winding of the second timed start delay relay KT3 are both connected to the negative pole of the power supply. One end of the normally open contact of the first timed start delay relay KT2 and one end of the normally open contact of the second timed start delay relay KT3 are both connected to the other end of the normally open contact of the first circuit breaker QF1, and the other end of the normally open contact of the first timed start delay relay KT2 and the other end of the normally open contact of the second timed start delay relay KT3 are both connected to one end of the winding of the spray start relay KM42 and one end of the winding of the power-on start relay KM41. The other end of the winding of the spray start relay KM42 and the other end of the winding of the power-on start relay KM41 are both connected to the negative pole of the power supply. The spray start relay KM42 is used to connect the power to the swing spray subsystem.

[0054] One end of the normally open contact of the start-up relay KM41 is connected to the other end of the normally open contact of the first circuit breaker QF1, one end of the normally open contact of the power supply relay KM43 and one end of the normally open contact of the manual start button SB41. The power supply relay KM43 is used to connect the power to the drive subsystem, the brake subsystem and the automatic replenishment subsystem. The other end of the normally open contact of the start-up relay KM41 is connected to the other end of the normally open contact of the power supply relay KM43, the other end of the normally open contact of the manual start button SB41, one end of the normally open contact of the spray start relay KM42, one end of the normally closed contact of the limit stop relay KM46 and one end of the normally open contact of the start-up delay relay KT4.

[0055] The other end of the normally open contact of the spray start relay KM42, the other end of the normally closed contact of the limit stop relay KM46 and the other end of the normally open contact of the start delay relay KT4 are all connected to one end of the normally closed contact of the manual stop button SB42, the other end of the normally closed contact of the manual stop button SB42 is connected to one end of the normally closed contact of the water pump control contactor KM12, the other end of the normally closed contact of the water pump control contactor KM12 is connected to one end of the normally closed contact of the temperature control relay KM4, the model of the temperature control relay KM4 is XH-W1209. One end of the normally closed contact of the temperature control relay KM4 and the other end of the normally closed contact are connected to one end of the winding of the power supply relay KM43 and one end of the winding of the travel power supply relay KM44, the other end of the winding of the power supply relay KM43 and the other end of the winding of the travel power supply relay KM44 are both connected to the negative pole of the power supply.

[0056] The other end of the normally closed contact of the manual stop button SB42 is also connected to one end of the normally open contact of the front proximity switch SQ1, the other end of the normally open contact of the front proximity switch SQ1 is connected to one end of the winding of the end limit relay KM45, and the other end of the winding of the end limit relay KM45 is connected to the negative pole of the power supply.

[0057] The other end of the normally closed contact of the manual stop button SB42 is also connected to one end of the normally open contact of the rear proximity switch SQ2, the other end of the normally open contact of the rear proximity switch SQ2 is connected to one end of the winding of the stop limit relay KM46, and the other end of the winding of the stop limit relay KM46 is connected to the negative pole of the power supply.

[0058] One end of the normally open contact of the travel power supply relay KM44 is connected to the other end of the normally open contact of the first circuit breaker QF1, the other end of the normally open contact of the travel power supply relay KM44 is connected to one end of the winding of the travel relay KM47, the other end of the winding of the travel relay KM47 is connected to one end of the normally open contact of the release limit microswitch SM22, and the other end of the normally open contact of the release limit microswitch SM22 is connected to the negative pole of the power supply.

[0059] One end of the normally open contact of the travel relay KM47 is connected to the other end of the normally open contact of the first circuit breaker QF1, the other end of the normally open contact of the travel relay KM47 is connected to one end of the coil of the travel motor M1A, and the other end of the coil of the travel motor M1A is connected to the negative pole of the power supply.

[0060] One end of the normally open contact of the travel relay KM47 is connected to the other end of the normally open contact of the first circuit breaker QF1, the other end of the normally open contact of the travel relay KM47 is connected to one end of the coil of the travel motor M1A, and the other end of the coil of the travel motor M1A is connected to the negative pole of the power supply.

[0061] One end of the normally open contact of the end limit relay KM45 is connected to the other end of the normally open contact of the first circuit breaker QF1 and one end of the normally open contact of the first drive relay KM48, the other end of the normally open contact of the end limit relay KM45 is connected to the other end of the normally open contact of the first drive relay KM48 and one end of the normally closed contact of the shutdown limit relay KM46, the other end of the normally closed contact of the shutdown limit relay KM46 is connected to one end of the winding of the first drive relay KM48, and the other end of the winding of the first drive relay KM48 is connected to the negative pole of the power supply.

[0062] One end of the normally open contact of the travel relay KM47 is connected to the other end of the normally open contact of the first circuit breaker QF1, and the other end of the normally open contact of the travel relay KM47 is connected to the common end of the first drive relay KM48. The normally closed end of the first drive relay KM48 is connected to one end of the winding of the second drive relay KM49, and the other end of the winding of the second drive relay KM49 is connected to the negative pole of the power supply. The normally open end of the first drive relay KM48 is connected to one end of the winding of the third drive relay KM50, and the other end of the winding of the third drive relay KM50 is connected to the negative pole of the power supply.

[0063] One end of the travel motor M1B coil is connected to the other end of the first circuit breaker QF1 normally open contact, the other end of the travel motor M1B coil is connected to one end of the third drive relay KM50 normally open contact, the other end of the third drive relay KM50 normally open contact is connected to the negative pole of the power supply. The other end of the travel motor M1B coil is also connected to one end of the second drive relay KM49 normally open contact, the other end of the second drive relay KM49 normally open contact is connected to the positive pole of the 48V power supply.

[0064] The timed start circuit can drive the vehicle out according to the second timed start delay relay KT3 and the first timed start delay relay KT2, and start the swing spray subsystem for spraying, and can automatically spray multiple times at a time. And each time the spray is carried out, the driving mode is back and forth, and the setting is reasonable to ensure that each electrical appliance in the spray maintenance system works.

[0065] Among them, the two spray limit micro switches 4d are the limit release switch SM2 and the limit reversal switch SM1. The normally closed contact of the limit release switch SM2 is connected to one end of the normally open contact of the spray start relay KM42, and the other end of the normally open contact of the spray start relay KM42 is connected to the positive pole of the power supply. The common contact of the limit release switch SM2 is connected to the normally open contact of the limit reversal switch SM1, and the common contact of the limit reversal switch SM1 is connected to one end of the winding of the limit self-locking relay KM32 and one end of the winding of the spray reversal relay KM31. The other end of the winding of the limit self-locking relay KM32 and the other end of the winding of the spray reversal relay KM31 are both connected to the negative pole of the power supply, one end of the normally open contact of the limit self-locking relay KM32 is connected to the common contact of the limit reversal switch SM1, and the other end of the normally open contact of the limit self-locking relay KM32 is connected to the normally open contact of the limit reversal switch SM1.

[0066] One end of the normally open contact of the spray start relay KM42 is connected to the normally closed contact of the first switch group of the spray reversal relay KM31 and the normally open contact of the second switch group of the spray reversal relay KM31. The two ends of the winding of the swing motor 4a are respectively connected to the common contacts of the first switch group and the second switch group of the spray reversal relay KM31. The negative pole of the power supply is connected to the normally open contact of the first switch group of the spray reversal relay KM31 and the normally closed contact of the second switch group of the spray reversal relay KM31.

[0067] Both ends of the output shaft of the spray reducer 4b extend out of the housing of the spray reducer 4b, and the contact spring 5 and the spray limit micro switch 4d are fixed at one end of the output shaft of the spray reducer 4b. The spray assembly is fixed at the other end of the output shaft of the spray reducer 4b, and is respectively arranged at both ends to facilitate the installation of the spray assembly, the contact spring 5 and the spray limit micro switch 4d. The contact spring 5 is equipped with a spring mounting seat 5a, and the spring mounting seat 5a is provided with a through hole for the output shaft of the spray reducer 4b to extend, and the output shaft of the spray reducer 4b is locked by a locking nut. The contact springs 5 ​​are all installed on the spring mounting seat 5a.

[0068] The spray assembly includes an extended spray pipe 4c, the bottom end of which is detachably mounted with the output shaft of the spray reducer 4b through a spray fixture 9. A movable joint is provided at the bottom end of the extended spray pipe 4c, and is connected to a water pipe of a water supply system through the movable joint, and a spray head is detachably provided at the end of the extended spray pipe 4c.

[0069] The spray fixture 9 includes a spray fixing block 9a and a clamping piece 9b. The spray fixing block 9a is used to be fixed together with the spray reducer 4b. The spray fixing piece and the clamping piece 9b are used to clamp the extended nozzle 4c, and the extended nozzle 4c is located between the spray fixing block 9a and the clamping piece 9b. A clamping threaded hole is provided on one side of the spray fixing block 9a, and the clamping piece 9b is equipped with a pair of clamping bolts and is fixed by the clamping bolts. A through hole is provided on the spray fixing block 9a for the output shaft of the spray reducer 4b to pass through, and a tightening threaded hole is provided on the spray fixing block 9a that is perpendicular to the through hole, and is fixed by tightening with the output shaft of the spray reducer 4b by tightening the tightening bolt. The clamping is stable and not easy to fall off, and at the same time, it can also meet the swing of the spray component.

[0070] The nozzle sprays in a fan shape with a wide range, ensuring that the spray range overlaps during the forward and backward movement, avoiding spray dead corners and ensuring the spraying effect.

[0071] The driving subsystem is a travel motor M1 and a reduction mechanism. The output end of the travel motor M1 is connected to the input end of the reduction mechanism, and the output end of the reduction mechanism is connected to the travel wheel 1a. The reduction mechanism includes a planetary reducer and a reducer. The output shaft of the travel motor M1 is connected to the input shaft of the planetary reducer, the output shaft of the planetary reducer is connected to the input shaft of the reducer, and the output shaft of the reducer is connected to the travel wheel 1a through a chain.

[0072] The front and rear sides of the vehicle body 1 are respectively provided with a front proximity switch SQ1 and a rear proximity switch SQ2, and the models of the front and rear proximity switches SQ1 and SQ2 are both LJ18A3-5-Z / BX. The front proximity switch SQ1 is used to switch the movement reverse direction, and the rear proximity switch SQ2 is used to stop the drive subsystem. The blocking structure 3 is arranged at intervals above the track 2.

[0073] The blocking structure 3 includes a blocking beam 3a and a horizontally extending detection piece 3c corresponding to the front proximity switch SQ1 or the rear proximity switch SQ2. The height of the blocking beam 3a is lower than the bottom of the vehicle body 1, and is used to abut against the running wheel 1a. The two ends of the blocking beam 3a are respectively slidably connected to the two tracks 2 through sliding legs. The bottom of the sliding leg is provided with a slider 3b that is clamped on the track 2, and the sliding leg is also provided with a locking nut, and the detection piece 3c is fixed on the slider 3b.

[0074] The detection piece 3c is tilted, and one end close to the vehicle body 1 is lower than the other end, and the height difference between the two ends of the detection piece 3c is less than the detection distance of the corresponding front proximity switch SQ1 or rear proximity switch SQ2. It can ensure that the detection piece 3c can be detected, and the tilted setting ensures that the detection piece 3c can enter the detection area to avoid hitting the front proximity switch SQ1 or the rear proximity switch SQ2.

[0075] A mounting bracket is provided on the vehicle body 1 corresponding to the front proximity switch SQ1 or the rear proximity switch SQ2. The mounting bracket includes a vertical rod 5a fixed to the bottom of the vehicle body 1. The bottom end of the vertical rod 5a is provided with a mounting ring 5b for mounting the front proximity switch SQ1 or the rear proximity switch SQ2. The installation is stable. By installing the mounting bracket under the vehicle body 1, the front proximity switch SQ1 and the rear proximity switch SQ2 can be set separately as much as possible to avoid detection errors caused by surrounding objects.

[0076] The vehicle body 1 is provided with a brake subsystem, which includes a worm 21, a worm wheel 22, a connecting piece 23 and a vertically arranged brake rod 24 installed on the vehicle body. The worm 21 is driven by a brake motor and meshes with the worm wheel 22. The brake motor is a forward and reverse motor. The worm wheel 22 is fixedly connected to the connecting piece 23 and the worm wheel 22 is hinged to the vehicle body. The end of the connecting piece 23 away from the worm wheel 22 is hinged to the brake rod 24. The bottom end of the brake rod 24 is connected to the brake of the vehicle body 21 through a connecting rod.

[0077] The brake rod 24 is provided with a limit cross bar 27, which is a rectangular tube to prevent the limit cross bar 27 from rotating and ensure that the limit cross bar 27 can stably hit the brake limit micro switch SM21. The vehicle body 21 is provided with a brake limit micro switch SM21 located below the limit cross bar 27, and the brake limit micro switch SM21 is used to start the extension of the telescopic rod 23.

[0078] The worm gear 22 is fixedly connected to the connecting piece 23 and the worm gear 22 is hinged on the vehicle body 1. The end of the connecting piece 23 away from the worm gear 22 is hinged to the brake rod 24. To prevent the brake rod 24 from rotating, the brake rod 24 adopts a rectangular tube, and a guide sleeve is mounted on the brake rod 24 (not shown in the figure). The guide sleeve is fixedly mounted on the vehicle body 1 to improve the stability of braking.

[0079] When the brake motor is started to brake the vehicle body 1, the forward and reverse motors drive the worm 21 to rotate forward, so that the worm wheel 22 drives the connecting piece 23 to rotate so that the brake rod 24 falls into the brake hole on the track to achieve braking. Alternatively, the bottom end of the brake rod 24 is connected to the brake device of the vehicle body 1, and the brake device is driven by the brake rod 24 to brake. When the vehicle body 1 is started to run, the brake motor first drives the worm 21 to reverse, and the worm wheel 22 drives the connecting piece 23 to rotate upward, so that the brake rod 24 escapes from the brake hole on the track. At the same time, the limit cross bar 27 provided on the brake rod 24 cooperates with the brake limit micro switch SM21 provided on the vehicle body 1 to limit the brake, and the limit cross bar 27 is mounted on the brake rod 24 and fixed by a tightening screw. When the device is installed on a vehicle body 1 of different sizes, it can be adjusted and adapted.

[0080] The braking subsystem also includes a braking circuit, including one end of the normally open contact and the normally closed contact of the brake limit microswitch SM21 connected to one end of the first group of normally open contacts of the brake manual button SB21, the other end of the first group of normally open contacts of the brake manual button SB21 is connected to the positive pole of the power supply, the other end of the normally open contact and the normally closed contact of the brake limit microswitch SM21 is connected to one end of the winding of the brake relay KM22, the other end of the winding of the brake relay KM22 is connected to one end of the normally closed contact of the auxiliary relay KM23 and one end of the normally closed contact of the release limit microswitch SM22, the other end of the normally closed contact of the auxiliary relay KM23 and the other end of the normally closed contact of the release limit microswitch SM21 are connected to one end of the second group of normally open contacts of the brake manual button SB21, and the other end of the second group of normally open contacts of the brake manual button SB21 is connected to the negative pole of the power supply;

[0081] It also includes a manual brake release button SB22, one end of the first group of normally open contacts of the manual brake release button SB22 is connected to one end of the winding of the brake release relay KM21, the positive electrode of the first diode D1 and one end of the winding of the auxiliary relay KM23, the other end of the first group of normally open contacts of the manual brake release button SB22 is connected to one end of the first group of normally open contacts of the brake manual button SB21, the other end of the winding of the brake release relay KM21 and the other end of the winding of the auxiliary relay KM23 are connected to one end of the second group of normally open contacts of the manual brake release button SB22, the other end of the second group of normally open contacts of the manual brake release button SB22 is connected to one end of the second group of normally open contacts of the brake manual button SB21, and the negative electrode of the first diode D1 is connected to one end of the winding of the brake relay KM22;

[0082] One end of the first group of normally open contacts of brake relay KM22 is connected to one end of the first group of normally open contacts of brake manual button SB21, the other end of the first group of normally open contacts of brake relay KM22 is connected to one end of brake motor M3A coil, one end of the first group of normally closed contacts of release relay KM21 and one end of the second group of normally open contacts of release relay KM21, the other end of brake motor M3A coil is connected to one end of the second group of normally open contacts of brake relay KM22, one end of the first group of normally open contacts of release relay KM21 and one end of the second group of normally closed contacts of release relay KM21, the other end of the second group of normally open contacts of brake relay KM22 is connected to one end of the second group of normally open contacts of brake manual button SB21; the two ends of brake motor M3B coil are respectively connected to the first group of common ends and the second group of common ends of release relay KM21.

[0083] The vehicle body 1 is provided with a water tank 212 and a battery, and a water filling port of the water tank 212 is provided on the top of the vehicle body 1. It also includes a water pump switch button 214 provided at the water filling station, and a telescopic rod 213 for pressing the water pump switch button 214 is provided on the rear side of the vehicle body. Since the vehicle body 1 is equipped with a track, it is a tracked trolley, which can ensure that the telescopic rod 213 is aligned with the water pump switch button 214 when it is extended. A water pipe 211 is provided at the water filling station. The water pipe 211 is erected on the ground through a support frame 209 and is higher than the vehicle body 1. The water pump switch button 214 is also arranged on the support frame 209 for stable support. When the vehicle body 1 moves to a designated position below the water pipe 211, the telescopic rod 213 is extended to press the water pump switch button 214, and the water pump at the water filling station is started to add water. Two semicircular clips are provided on the top of the support frame 209 to form a hoop 210 and the water pipe 211 is fixed by fasteners.

[0084] The water tank 212 is provided with a water level lower limit detector 217, a water level upper limit detector 215 and a heater SC1. The water level upper limit detector 215 is used to stop the water pump at the water filling station and start the heater SC1 for heating. The water tank 212 is provided with a thermostat, which is used to stop the heater SC1 from heating. When the water in the water tank 212 is insufficient, the water level lower limit detector 217 issues a water filling reminder.

[0085] It also includes an automatic water-adding circuit, which includes one end of the normally open contact of the brake limit microswitch SM21 connected to the positive pole of the power supply, the other end of the normally open contact of the brake limit microswitch SM21 connected to one end of the winding of the time delay relay KT1, and the other end of the winding of the time delay relay KT1 connected to the negative pole of the power supply; one end of the normally open contact of the time delay relay KT1 is connected to one end of the normally closed contact of the water level control relay 216, the other end of the normally closed contact of the water level control relay 216 is connected to the other end of the normally open contact of the brake limit microswitch SM21, the other end of the normally open contact of the time delay relay KT1 is connected to one end of the winding of the water-adding relay KM211, and the other end of the winding of the water-adding relay KM211 is connected to the negative pole of the power supply; one end of the normally open contact of the water-adding relay KM211 is connected to the other end of the normally open contact of the brake limit microswitch SM21, the other end of the normally open contact of the water-adding relay KM211 is connected to one end of the electromagnetic push rod M3, and the other end of the electromagnetic push rod M3 is connected to the negative pole of the power supply;

[0086] One end of the normally open contact of the water pump switch button 214 is connected to the other end of the normally open contact of the brake limit microswitch SM21, the other end of the normally open contact of the water pump switch button 214 is connected to one end of the winding of the water pump control contactor KM212, and the other end of the winding of the water pump control contactor KM212 is connected to the negative pole of the power supply; one end of the normally open contact of the water pump control contactor KM212 is connected to the other end of the normally open contact of the brake limit microswitch SM21, the other end of the normally open contact of the water pump control contactor KM212 is connected to one end of the water pump M4, and the other end of the water pump M4 is connected to the negative pole of the power supply.

[0087] When the brake limit micro switch SM21 is triggered, that is, when the brake is in place, the normally open contact of the brake limit micro switch SM21 is closed, and the delay relay KT1 is turned on. After the time set by the delay relay KT1 is reached, the normally open contact of the delay relay KT1 is closed to supply power to the water adding relay KM211. The normally open contact of the water adding relay KM211 is closed, supplying power to the electromagnetic push rod M3, so that the electromagnetic push rod M3 extends and touches the water pump switch button 214 installed on the support frame 209.

[0088] When the water pump switch button 214 is closed, the water pump control contactor KM212 is energized, the normally open contact of the water pump control contactor KM212 is closed, and the water pump M4 is energized to add water.

[0089] When the upper limit water level detector 215 detects the water in the water tank 212, the normally open contact of the upper limit water level detector 215 is closed, the water level control relay 216 is energized, the normally closed contact of the water level control relay 216 is disconnected, and the winding of the water adding relay KM211 is de-energized. At the same time, the normally open contact of the water adding relay KM211 is disconnected, the electromagnetic push rod M3 is de-energized, the electromagnetic push rod M3 is retracted, the water pump switch button 214 is disconnected, and then the water pump control contactor KM212 and the water pump M4 are both de-energized, and the water adding is stopped.

[0090] It also includes a heating circuit, which includes a brake limit micro switch SM21 normally open contact end connected to the positive pole of the power supply, a water level upper limit detector 215 normally open contact end connected to the other end of the brake limit micro switch SM21 normally open contact, the other end of the water level upper limit detector 215 normally open contact connected to one end of the water level control relay 216 winding, and the other end of the water level control relay 216 winding connected to the negative pole of the power supply;

[0091] One end of the normally open contact of the water level control relay 216 is connected to the other end of the normally open contact of the brake limit microswitch SM21, the other end of the normally open contact of the water level control relay 216 is connected to one end of the winding of the temperature control relay KM4, and the other end of the winding of the temperature control relay KM4 is connected to the negative pole of the power supply; one end of the normally open contact of the temperature control relay KM4 is connected to the other end of the normally open contact of the brake limit microswitch SM21, the other end of the normally open contact of the temperature control relay KM4 is connected to one end of the heater SC1, and the other end of the heater SC1 is connected to the negative pole of the power supply.

[0092] A charging station is provided at the rear side of the track 1c, and the charging station includes a charging socket 36c provided at the front side of the support frame 209. A charging plug 1b is provided at the rear side of the vehicle body 1 corresponding to the charging socket 36c, and the charging plug 1b is used to charge the battery. After the vehicle body 1 is blocked by the blocking structure 3, the charging plug 1b is just plugged into the charging socket 36c. The charging socket 36c is installed at the front side of the charging bracket 36 through a spring seat.

[0093] The spring seat includes a guide telescopic cross bar 36a whose rear end is fixed on the charging bracket 36, and a guide telescopic sleeve 36b is provided on the outer surface of the guide telescopic cross bar 36a. The front end of the guide telescopic sleeve 36b is fixed on the charging socket 36c, and a spring 36d is also provided on the outer surface of the guide telescopic sleeve 36b, and the two ends of the spring 36d are respectively fixed on the charging bracket 36 and the charging socket 36c. The guide telescopic sleeve 36b, the guide telescopic cross bar 36a and the spring 36d can form a guide telescopic structure to ensure that the charging socket 36c is always located on the same horizontal line, and when the vehicle body 1 approaches, the front and rear positions of the charging socket 36c are adjusted by the spring 36d, and the charging socket 36c can be tightly pressed against the charging plug 1b to ensure the connection stability during charging.

[0094] It also includes a charging circuit, which includes a normally open contact of the time delay relay KT1 connected to the normally open contact of the brake limit micro switch SM21, the normally open contact of the time delay relay KT1 connected to one end of the battery, and the other end of the battery connected to the negative pole of the power supply. That is, after the brake is in place, the time delay relay KT1 is started, and when the time set by the time delay relay KT1 is reached, charging begins.

Claims

1. A track-based automatic spraying maintenance system, comprising a vehicle body (1) and a pair of tracks (1c), wherein the vehicle body (1) is provided with running wheels (1a) for moving on the tracks (1c), characterized in that: The vehicle body (1) is provided with a water tank (212) and a storage battery, and a water inlet of the water tank (212) is provided on the top of the vehicle body (1); a driving subsystem, a braking subsystem and an automatic replenishing subsystem are provided on the vehicle body (1), and the automatic replenishing subsystem is used to add water to the water tank, charge the storage battery and heat the water in the water tank; a horizontal telescopic bracket (2) is rotatably provided on the vehicle body (1), a fixed column (2d) extending upward is provided at the end of the horizontal telescopic bracket (2), and a swinging spraying subsystem is provided on the top of the fixed column (2d); The braking subsystem includes a brake limit micro switch (SM21). When the braking device of the braking subsystem is in place, the automatic replenishment subsystem is activated to add water, charge and heat the water; The driving subsystem comprises a front proximity switch (SQ1) and a rear proximity switch (SQ2) arranged on the front and rear sides of the vehicle body (1), wherein the front proximity switch (SQ1) is used to switch the movement in the reverse direction, and the rear proximity switch (SQ2) is used to stop the driving subsystem; The drive subsystem further comprises a travel motor (M1) and a reduction mechanism, wherein the output end of the travel motor (M1) is connected to the input end of the reduction mechanism, and the output end of the reduction mechanism is connected to the travel wheel (1a); the drive subsystem further comprises a travel drive circuit, wherein one end of the normally closed contact of the rear proximity switch (SQ2) is connected to one end of the start switch (SB1), and the other end of the start switch (SB1) is connected to the positive electrode of a power supply; the other end of the normally closed contact of the rear proximity switch (SQ2) is connected to one end of the normally open contact of the second relay (KM2), one end of the normally open contact of the front proximity switch (SQ1), and one end of the normally closed contact of the second relay (KM2); the other end of the normally open contact of the second relay (KM2) is connected to the other end of the normally open contact of the front proximity switch (SQ1), the other end of the normally open contact of the front proximity switch (SQ1) is connected to one end of the winding of the second relay (KM2), and the other end of the winding of the second relay (KM2) is connected to the negative electrode of the power supply; The other end of the normally closed contact of the second relay (KM2) is connected to one end of the winding of the first relay (KM1), and the other end of the winding of the first relay (KM1) is connected to the negative electrode of the power supply; one end of the normally open contact of the first group of switches of the first relay (KM1) is connected to one end of the start switch (SB1), one end of the normally closed contact of the first group of switches of the first relay (KM1) is connected to the negative electrode of the power supply, and one end of the common contact of the first group of switches of the first relay (KM1) is connected to one end of the winding of the travel motor (M1); One end of the normally open contact of the second group of switches of the first relay (KM1) is connected to the negative pole of the power supply, one end of the normally closed contact of the second group of switches of the first relay (KM1) is connected to one end of the start switch (SB1), and one end of the common contact of the second group of switches of the first relay (KM1) is connected to the other end of the winding of the travel motor (M1).

2. The rail automatic spraying maintenance system according to claim 1, characterized in that: The horizontal telescopic bracket (2) comprises a sliding rod (2c), a vertical rod (2a) and a transverse rod (2b), wherein the vertical rod (2a) is fixed on the vehicle body (1), and the transverse rod (2b) is installed on the top of the vertical rod (2a) through a rotating connection structure; a plurality of locking rings (2f) are arranged at intervals on the transverse rod (2b) along its extension direction, and the sliding rod (2c) passes through all the locking rings (2f) at the same time and is fixed by locking bolts on the locking rings (2f); The swing spray subsystem comprises a swing motor (4a) fixed on the top of a fixed column (2d); the output shaft of the swing motor (4a) is connected to the input shaft of a spray reducer (4b); the output shaft of the spray reducer (4b) is extended forward and backward and is connected to a spray assembly through a spray clamp (9); the spray assembly is connected to a water supply system, and the water supply system is equipped with a pressure pump (6d); spray limit micro switches (4d) are arranged on both sides of the output shaft of the spray reducer (4b); The two spray limit micro switches (4d) are both provided with contact springs (5), and the spray limit micro switches (4d) are used to switch the rotation direction of the swing motor (4a); the spray assembly comprises an extended spray pipe (4c), the bottom end of the extended spray pipe (4c) is detachably mounted with the output shaft of the spray reducer (4b) through a spray clamp (9), the bottom end of the extended spray pipe (4c) is provided with a movable joint, and is connected to the water pipe (6a) of the water supply system through the movable joint, and the end of the extended spray pipe (4c) is detachably provided with a spray head.

3. The rail automatic spraying maintenance system according to claim 2, characterized in that: The two spray limit micro switches (4d) are respectively a limit release switch (SM2) and a limit reversal switch (SM1); the normally closed contact of the limit release switch (SM2) is connected to one end of the start switch (SB1), and the other end of the start switch (SB1) is connected to the positive electrode of the power supply; the common contact of the limit release switch (SM2) is connected to the normally open contact of the limit reversal switch (SM1); the common contact of the limit reversal switch (SM1) is connected to one end of the winding of the limit self-locking relay (KM32) and one end of the winding of the spray reversal relay (KM31); the other end of the winding of the limit self-locking relay (KM32) and the other end of the winding of the spray reversal relay (KM31) are both connected to the negative electrode of the power supply; one end of the normally open contact of the limit self-locking relay (KM32) is connected to the common contact of the limit reversal switch (SM1), and the other end of the normally open contact of the limit self-locking relay (KM32) is connected to the normally open contact of the limit reversal switch (SM1); One end of the start switch (SB1) is connected to the normally closed contacts of the first group of switches of the spray reversal relay (KM31) and the normally open contacts of the second group of switches of the spray reversal relay (KM31), the two ends of the winding of the swing motor (4a) are respectively connected to the common contacts of the first group of switches and the second group of switches of the spray reversal relay (KM31), and the negative pole of the power supply is connected to the normally open contacts of the first group of switches of the spray reversal relay (KM31) and the normally closed contacts of the second group of switches of the spray reversal relay (KM31).

4. The rail automatic spraying maintenance system according to claim 2 is characterized in that: The spray fixture (9) comprises a spray fixing block (9a) and a clamping piece (9b), wherein the spray fixing block (9a) is used to be fixed together with the spray reducer (4b), and the spray fixing piece and the clamping piece (9b) are used to clamp the extended spray pipe (4c), and a clamping threaded hole is provided on one side of the spray fixing block (9a), and the clamping piece (9b) is equipped with a pair of clamping bolts and is fixed by the clamping bolts; The spray fixing block (9a) is provided with a through hole for the output shaft of the spray reducer (4b) to pass through, and the spray fixing block (9a) is provided with a tightening threaded hole arranged perpendicular to the through hole, and is fixed to the output shaft of the spray reducer (4b) by tightening with a tightening bolt; the clamping is stable and not easy to fall off, and at the same time, the swing of the spray component can be satisfied.

5. The rail automatic spraying maintenance system according to claim 1, characterized in that: The braking subsystem comprises a worm (21), a worm wheel (22), a connecting piece (23) and a vertically arranged brake rod (24) mounted on the vehicle body; the worm (21) is driven by a brake motor and meshes with the worm wheel (22); the brake motor is a forward and reverse motor; the worm wheel (22) is fixedly connected to the connecting piece (23) and the worm wheel (22) is hinged to the vehicle body; one end of the connecting piece (23) away from the worm wheel (22) is hinged to the brake rod (24); and the bottom end of the brake rod (24) is connected to the brake of the vehicle body (1) through a connecting rod; The vehicle body (1) is provided with a brake release limit micro switch (SM22) and a brake limit micro switch (SM21) spaced apart from each other in an upper and lower direction, and the brake rod (24) is provided with a pair of limit cross bars (27) spaced apart from each other in an upper and lower direction, wherein the two limit cross bars (27) are both located between the brake release limit micro switch (SM22) and the brake limit micro switch (SM21); The automatic replenishment subsystem comprises a water pump switch button (214) arranged at the water filling station, a telescopic rod (213) for pressing the water pump switch button (214) is arranged at the rear side of the vehicle body, and a water pipe (211) located above the vehicle body (1) is arranged at the water filling station, and when the brake limit micro switch (SM21) detects that the brake is in place, the telescopic rod (213) is extended and the water pump switch button (214) is pressed, so that the water pump at the water filling station is started to add water; The water tank (212) is provided with a water level lower limit detector (217), a water level upper limit detector (215) and a heater (SC1). When the water level in the water tank (212) is insufficient, the water level lower limit detector (217) issues a water adding reminder; the water level upper limit detector (215) is used to stop the water pump at the water adding station and start the heater (SC1) for heating. The water tank (212) is provided with a thermostat, and the thermostat is used to stop the heater (SC1) from heating. A charging station is arranged at the rear side of the track (1c), and the charging station includes a charging socket (36c). The charging socket (36c) and the water pipe (211) are fixed on the bottom surface through a support frame (209). A charging plug (31b) is arranged at the rear side of the vehicle body (1) corresponding to the charging socket (36c). The charging plug (31b) is used to charge the battery. After the vehicle body (1) is blocked by the blocking structure (3), the charging plug (31b) is just plugged into the charging socket (36c).

6. The rail automatic spraying maintenance system according to claim 5, characterized in that: The charging socket (36c) is installed on the front side of the charging bracket (36) through a spring seat; the spring seat comprises a guide telescopic cross bar (36a) whose rear end is fixed on the charging bracket (36); the guide telescopic cross bar (36a) is provided with a guide telescopic sleeve (36b) on its outer sleeve; the front end of the guide telescopic sleeve (36b) is fixed on the charging socket (36c); the guide telescopic sleeve (36b) is also provided with a spring (36d) on its outer sleeve; and the two ends of the spring (36d) are respectively fixed on the charging bracket (36) and the charging socket (36c).

7. The rail automatic spraying maintenance system according to claim 5, characterized in that: The automatic replenishment subsystem also includes a heating circuit, wherein the heating circuit includes one end of a normally open contact of a brake limit micro switch (SM21) connected to the positive electrode of a power supply, one end of a normally open contact of an upper water level detector (215) connected to the other end of the normally open contact of the brake limit micro switch (SM21), the other end of the normally open contact of the upper water level detector (215) connected to one end of a winding of a water level control relay (216), and the other end of the winding of the water level control relay (216) connected to the negative electrode of the power supply; One end of the normally open contact of the water level control relay (216) is connected to the other end of the normally open contact of the brake limit micro switch (SM21), the other end of the normally open contact of the water level control relay (216) is connected to one end of the winding of the temperature control relay (KM4), and the other end of the winding of the temperature control relay (KM4) is connected to the negative electrode of the power supply; one end of the normally open contact of the temperature control relay (KM4) is connected to the other end of the normally open contact of the brake limit micro switch (SM21), the other end of the normally open contact of the temperature control relay (KM4) is connected to one end of the heater (SC1), and the other end of the heater (SC1) is connected to the negative electrode of the power supply; The automatic replenishment subsystem also includes an automatic water-adding circuit, wherein the automatic water-adding circuit includes: one end of the normally open contact of the brake limit micro switch (SM21) is connected to the positive electrode of the power supply, the other end of the normally open contact of the brake limit micro switch (SM21) is connected to one end of the winding of the time delay relay (KT1), and the other end of the winding of the time delay relay (KT1) is connected to the negative electrode of the power supply; one end of the normally open contact of the time delay relay (KT1) is connected to one end of the normally closed contact of the water level control relay (216), and the other end of the normally closed contact of the water level control relay (216) is connected to The other end of the normally open contact of the brake limit micro switch (SM21) is connected, the other end of the normally open contact of the delay relay (KT1) is connected to one end of the winding of the water adding relay (KM11), and the other end of the winding of the water adding relay (KM11) is connected to the negative electrode of the power supply; one end of the normally open contact of the water adding relay (KM11) is connected to the other end of the normally open contact of the brake limit micro switch (SM21), the other end of the normally open contact of the water adding relay (KM11) is connected to one end of the electromagnetic push rod (M3), and the other end of the electromagnetic push rod (M3) is connected to the negative electrode of the power supply; One end of the normally open contact of the water pump switch button (214) is connected to the other end of the normally open contact of the brake limit micro switch (SM21), the other end of the normally open contact of the water pump switch button (214) is connected to one end of the winding of the water pump control contactor (KM12), and the other end of the winding of the water pump control contactor (KM12) is connected to the negative electrode of the power supply; one end of the normally open contact of the water pump control contactor (KM12) is connected to the other end of the normally open contact of the brake limit micro switch (SM21), the other end of the normally open contact of the water pump control contactor (KM12) is connected to one end of the water pump (M4), and the other end of the water pump (M4) is connected to the negative electrode of the power supply; It also includes a charging circuit, wherein the charging circuit includes one end of the normally open contact of the time delay relay (KT1) connected to the other end of the normally open contact of the brake limit micro switch (SM21), the other end of the normally open contact of the time delay relay (KT1) connected to one end of the battery, and the other end of the battery connected to the negative pole of the power supply.

8. The rail automatic spraying maintenance system according to claim 1, characterized in that: Blocking structures (3) are arranged at intervals on the front and rear of the track (1c); the blocking structures (3) each include a blocking crossbeam (3a) and a detection sheet (3c) arranged corresponding to the front proximity switch (SQ1) or the rear proximity switch (SQ2); the height of the blocking crossbeam (3a) is lower than the bottom of the vehicle body (1) and is used to abut against the running wheel (1a).

9. The rail automatic spraying maintenance system according to claim 8, characterized in that: The detection piece (3c) is arranged obliquely, and one end close to the vehicle body (1) is lower than the other end, and the height difference between the two ends of the detection piece (3c) is smaller than the detection distance of the corresponding front proximity switch (SQ1) or rear proximity switch (SQ2).

10. The rail automatic spraying maintenance system according to claim 8, characterized in that: The two ends of the blocking beam (3a) are respectively slidably connected to two rails (1c) via sliding legs, a slider (3b) clamped on the rail (1c) is provided at the bottom of the sliding leg, a locking nut is also provided on the sliding leg, and the detection sheet (3c) is fixed on the slider (3b).

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