Automatic maintenance device for subway ballastless track concrete track bed

Abstract

The utility model belongs to the technical field of concrete track bed maintenance, and aims to solve the problem that the quality of a concrete track bed is influenced by manual maintenance. According to the automatic maintenance device for the subway ballastless track concrete track bed, a positioning sensor is arranged at a track route and used for limiting a maintenance area, infrared distance meters are arranged at the front end and the rear end of a vehicle body and used for avoiding obstacles, and the infrared distance meters and the positioning sensor are both connected with a control terminal; the rail wheels are arranged on the rail and can advance or retreat under the action of the driving motor and the wheel shaft, and the braking devices are arranged at the rail wheels and used for limiting advancing of the rail wheels; the reservoir is arranged on the vehicle body and is connected with the mist nozzles through the spraying water pipe, and the mist nozzles are located on the two sides of the vehicle body and face the position of the concrete track bed; and the booster pump is used for pumping water in the reservoir into the spraying water pipe and is connected with the control terminal. The device can reduce the labor intensity and improve the labor efficiency while ensuring the maintenance quality of the concrete track bed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the concrete bed maintenance technical field, concretely relates to an automatic maintenance device for subway ballastless track concrete bed. BACKGROUND

[0002] After the subway concrete bed is poured, in order to ensure the quality of the bed concrete, timely covering and watering maintenance is needed, however, due to the artificial maintenance, the maintenance time, watering amount and concrete humidity cannot be accurately grasped, and at the same time, the maintenance workers cannot perform watering construction at the construction site at any time. Therefore, the concrete strength may not reach the design strength, the quality of the concrete bed is affected, and in serious cases, the acceptance cannot be passed, and the pouring needs to be broken and re-poured. SUMMARY

[0003] The utility model discloses a kind of automatic maintenance devices for subway ballastless track concrete bed to solve at least one technical problem existing in prior art.

[0004] The utility model discloses the following technical scheme is adopted: an automatic maintenance device for subway ballastless track concrete bed, including sensing control unit, walking unit, spraying unit and car body;Sensing control unit includes control terminal, infrared range finder and positioning inductor;Wherein positioning inductor is set at track line place for limiting maintenance area, infrared range finder is set at the front and rear ends of car body for avoiding barrier, and infrared range finder and positioning inductor are connected with control terminal;Walking unit includes track wheel, brake device, drive motor and wheel shaft;Wherein track wheel is placed on track and can advance or retreat under the action of drive motor and wheel shaft, brake device is set at track wheel place for limiting the travel of track wheel, and drive motor and brake device are connected with control terminal;Spraying unit includes water storage pool, spraying water pipe, mist nozzle and booster pump;Wherein water storage pool is set on car body and is connected with mist nozzle by spraying water pipe, and mist nozzle is towards the position of concrete bed;Booster pump is set on the bottom plate of car body, and booster pump is used to extract water in water storage pool to spraying water pipe and is connected with control terminal.

[0005] Preferably, it further includes humidity sensor, humidity sensor is set below sleeper in maintenance area, for measuring the humidity of geotextile, and humidity sensor is connected with control terminal.

[0006] Preferably, positioning inductor is of portable structure, and is attached to be set at track waist.

[0007] Preferably, the bottom end of car body is provided with a framework structure, and the line connected with the control terminal is laid along the inner wall of the framework, and the spraying water pipe is arranged along the inner wall of the framework and is detachably arranged at the side edge of the bed.

[0008] Preferably, the vehicle speed sensor is used to detect the speed of the vehicle body, the alarm is used to alarm according to the fault or emergency information, and the cameras arranged at the front and rear ends of the vehicle body are used to monitor the environmental information at the concrete bed.

[0009] Preferably, the diesel generator is arranged in the rear section of the vehicle body, and a partition plate is arranged at the front wall of the water storage pool to separate the diesel generator, the control terminal, the alarm and the booster pump.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The device has the advantages of simple and compact structure, and solves the problem of incomplete water spraying maintenance after the concrete bed is poured in the existing construction through electrified facilities, thereby ensuring the maintenance quality of the concrete bed, reducing the labor intensity and improving the labor efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0013] Fig. 1 It is the front view of the embodiment;

[0014] Fig. 2 It is the top view of the embodiment;

[0015] Fig. 3 It is the side view of the embodiment.

[0016] In the drawings: 1.1-control terminal; 1.2-infrared range finder; 1.3-positioning inductor; 1.4-humidity sensor; 1.5-vehicle speed sensor; 1.6-alarm; 1.7-camera; 2.1-rail wheel; 2.2-braking device; 3.1-water storage pool; 3.2-spraying pipe; 3.3-mist nozzle; 3.4-boost pump; 4-vehicle body; 5-diesel generator. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model is clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0018] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present invention. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size, without affecting the efficacy and purpose that can be achieved by the present invention, should fall within the scope of the technical content disclosed by the present invention. It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from several other entities, and do not necessarily require or imply any actual relationship or order between these entities.

[0019] The utility model provides an embodiment:

[0020] like Figs. 1 to 3 As shown, an automatic maintenance device for a subway ballastless track concrete bed includes a sensor control unit, a travel unit, a spray unit, and a vehicle body 4. The sensor control unit includes a control terminal 1.1, an infrared rangefinder 1.2, and a positioning sensor 1.3. The positioning sensor 1.3 is provided along the track to limit the maintenance area. The positioning sensor 1.3 is a portable structure and is installed close to the rail waist. The infrared rangefinder 1.2 is provided at the front and rear ends of the vehicle body 4 for obstacle avoidance. The infrared rangefinder 1.2 and the positioning sensor 1.3 are both connected to the control terminal 1.1.

[0021] The travel unit includes a track wheel 2.1, a brake device 2.2, a drive motor, and an axle. The track wheel 2.1 is placed on the track and can move forward or backward under the control of the drive motor and axle. The brake device 2.2 is installed on the track wheel 2.1 to limit the travel of the track wheel 2.1. The drive motor and brake device 2.2 are both connected to the control terminal 1.1.

[0022] The spray unit includes a water reservoir 3.1, a spray water pipe 3.2, a mist nozzle 3.3 and a booster pump 3.4; the water reservoir 3.1 is arranged on the vehicle body 4 and is connected to the mist nozzle 3.3 through the spray water pipe 3.2, and the mist nozzle 3.3 is facing the position of the concrete roadbed; the booster pump 3.4 is arranged on the bottom plate of the vehicle body 4, and is used to pump water from the water reservoir 3.1 into the spray water pipe 3.2 and is connected to the control terminal 1.1.

[0023] In this embodiment, it also includes humidity sensor 1.4, vehicle speed sensor 1.5, alarm 1.6 and camera 1.7, humidity sensor 1.4 is arranged under the sleeper in the maintenance area, for measuring the humidity of geotextile, humidity sensor 1.4 is connected with control terminal 1.1, vehicle speed sensor 1.5 is used for detecting the speed of vehicle body 4, alarm 1.6 is used for alarming according to fault or emergency information, camera 1.7 arranged at the front and rear ends of vehicle body 4 is used for monitoring the environmental information at the concrete bed.

[0024] Water storage tank 3.1 is arranged at the rear section of vehicle body 4, and a partition plate is arranged at the front wall of the water storage tank for separating diesel generator 5, control terminal 1.1, alarm 1.6 and booster pump 3.4. The bottom end of vehicle body 4 is provided with a framework structure, and the line connected with control terminal 1.1 is laid along the inner wall of the framework, and the spray pipe 3.2 is arranged along the inner wall of the framework and located at the side of the bed.

[0025] Specific working steps are as follows:

[0026] Firstly, humidity sensor and positioning sensor are placed at the corresponding position of the maintenance area.

[0027] After the control terminal starts the diesel generator, it begins to receive the signal emitted by the positioning sensor, and controls the vehicle to walk between the two positioning sensors, and the walking speed can be adjusted in the control terminal (computer, remote controller, etc.); the control terminal controls the booster pump to pump water, and the mist spray head starts watering work; humidity sensor 1.4 detects the humidity of geotextile in real time and transmits the humidity data back to the control terminal, when the measured humidity of geotextile reaches the predetermined value in the control terminal, the automatic maintenance equipment stops working, and the brake device is opened, and the automatic maintenance equipment is stationary.

[0028] When the humidity of geotextile is lower than the predetermined value again, the control terminal restarts the diesel generator and the booster pump, and the automatic maintenance continues watering work.

[0029] If the diesel generator stops running during watering, or the water storage tank is empty, the control terminal controls the brake device to open, and the alarm sends an alarm. The automatic maintenance equipment is provided with an infrared range finder, if foreign matter is found within 2 meters, the alarm is started, and the equipment stops working, and the brake device is started. When the water storage tank is empty, the vehicle body can be opened to the water filling place by using the control terminal (remote controller, computer, etc.), and then it returns to the maintenance area for work.

[0030] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An automatic maintenance device for concrete track bed of subway ballastless track, characterized in that: it comprises a sensing control unit, a walking unit, a spraying unit and a vehicle body (4); the sensing control unit comprises a control terminal (1.1), an infrared range finder (1.2) and a positioning sensor (1.3); the positioning sensor (1.3) is arranged at the track line to limit the maintenance area, the infrared range finder (1.2) is arranged at the front and rear ends of the vehicle body (4) to avoid obstacles, and the infrared range finder (1.2) and the positioning sensor (1.3) are connected with the control terminal (1.1); the walking unit comprises a track wheel (2.1), a brake device (2.2), a driving motor and an axle; the track wheel (2.1) is arranged on the track and can advance or retreat under the action of the driving motor and the axle, the brake device (2.2) is arranged at the track wheel (2.1) to limit the advance of the track wheel (2.1), and the driving motor and the brake device (2.2) are connected with the control terminal (1.1); the spraying unit comprises a water storage tank (3.1), a spraying pipe (3.2), a mist sprayer (3.3) and a booster pump (3.4); the water storage tank (3.1) is arranged on the vehicle body (4) and connected with the mist sprayer (3.3) through the spraying pipe (3.2), the mist sprayer (3.3) faces the position of the concrete track bed, and the booster pump (3.4) is arranged on the bottom plate of the vehicle body (4) and used for pumping water in the water storage tank (3.1) to the spraying pipe (3.2) and connected with the control terminal (1.1). It further comprises a humidity sensor (1.4) arranged below the sleeper in the maintenance area to measure the humidity of the geotextile, and connected with the control terminal (1.1). The positioning sensor (1.3) is of a portable structure and is arranged at the track waist. The bottom end of the vehicle body (4) is provided with a framework structure, the line connected with the control terminal (1.1) is laid along the inner wall of the framework, and the spraying pipe (3.2) is arranged along the inner wall of the framework and detachably arranged at the side of the track bed. It further comprises a vehicle speed sensor (1.5), an alarm (1.6) and a camera (1.7); the vehicle speed sensor (1.5) is used for detecting the speed of the vehicle body (4), the alarm (1.6) is used for alarming according to faults or emergency information, and the cameras (1.7) arranged at the front and rear ends of the vehicle body (4) are used for monitoring the environmental information at the concrete track bed.

2. The automatic maintenance device for concrete track bed of subway ballastless track according to claim 1, characterized in that: It further comprises a diesel generator (5), the water storage tank (3.1) is arranged at the rear section of the vehicle body (4), and a partition plate is arranged at the front wall of the water storage tank to separate the diesel generator (5), the control terminal (1.1), the alarm (1.6) and the booster pump (3.4).

3. The automatic maintenance device for concrete track bed of subway ballastless track according to claim 1, characterized in that: ​ 4. The automatic maintenance device for concrete track bed of subway ballastless track according to claim 1, characterized in that: ​ 5. The automatic maintenance device for concrete track bed of ballastless track of subway according to claim 1, characterized in that: ​ 6. The automatic maintenance device for concrete track bed of ballastless track of subway according to claim 1, characterized in that: ​

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