Automatic water adding device of spraying maintenance trolley

Abstract

The utility model discloses an automatic water adding device of a spraying maintenance trolley, which comprises a water tank, a telescopic rod, a water level upper limit detector and a water level control relay, the telescopic rod is arranged on the outer wall of the spraying maintenance trolley, the water level upper limit detector is arranged in the water tank, and the water level control relay is electrically connected with the water level upper limit detector; when the spraying maintenance trolley walks to a designated position below the water conveying pipe, the telescopic rod extends to press a water pump switch button to start a water pump to add water; when the water quantity and the water level reach the water level upper limit detector, the water level control relay controls the water pump to stop adding water. When the spraying maintenance trolley walks in place, a water pump switch button is pressed down through a telescopic rod to start to add water, a water level upper limit detector arranged in the water tank is used for detection, and when the water level reaches the upper limit, a water level control relay enables the water pump to stop adding water, operation is easy and convenient, the intelligent degree is high, manpower input and labor intensity can be reduced, and the working efficiency is improved. Meanwhile, the construction period can be shortened, and the construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance equipment, and particularly relates to an automatic water adding device for a spray maintenance trolley. Background Art

[0002] After concrete operation is completed, it takes a period of time for the concrete to be integrally shaped. However, the surface of the concrete is prone to cracking due to severe dehydration and needs to be reworked, which seriously affects the progress. To avoid this phenomenon, it is usually necessary to perform spray operations on the concrete surface regularly. Currently, some construction maintenance often uses a spray maintenance trolley to perform regular spray maintenance on the concrete surface, which can ensure that all directions of the tunnel can be sprayed, with good maintenance effect, simple and convenient operation, and high reuse rate. However, when the spray maintenance trolley needs to be refilled with water, it is often manually operated, and the water volume in the water tank cannot be accurately grasped, resulting in a large consumption of labor costs. Content of the Utility Model

[0003] Aiming at the defects existing in the above-mentioned prior art, the technical problem to be solved by the utility model is to provide an automatic water adding device for a spray maintenance trolley.

[0004] To solve the above technical problem, the utility model adopts the following technical scheme: an automatic water adding device for a spray maintenance trolley, including a water tank, and further including a telescopic rod, a water level upper limit detector, and a water level control relay. The telescopic rod is arranged on the outer wall of the spray maintenance trolley, the water level upper limit detector is arranged inside the water tank, and the water level control relay is electrically connected to the water level upper limit detector; when the spray maintenance trolley travels to a specified position below the water delivery pipe, the telescopic rod extends to press the water pump switch button to start the water pump for water addition; when the water level reaches the water level upper limit detector, the water level control relay is attracted under the action of the water level upper limit detector, and the normally closed contact is disconnected to stop the water pump from adding water.

[0005] Preferably, a water level lower limit detector is arranged in the middle and lower part of the water tank. When the water level in the water tank is insufficient, the water level lower limit detector gives a water addition prompt.

[0006] Preferably, the water delivery pipe is erected through a support frame to prevent the water delivery pipe from shaking during water delivery.

[0007] Preferably, the top of the support frame is provided with a hoop composed of two semi-circular clips to fix the water delivery pipe through fasteners.

[0008] Preferably, the water pump switch button is arranged on the support frame.

[0009] Preferably, a position detection switch with the detection end facing downwards is arranged at the bottom of the rear side of the spray maintenance trolley, and a water addition in-place detection piece is arranged on the support frame corresponding to the position detection switch.

[0010] Advantages of the present utility model: After the spraying and curing trolley moves into place, the water pump switch button is pressed through the telescopic rod to start adding water, and it is detected by the upper water level detector arranged in the water tank. When the water level reaches the upper limit, the water level control relay makes the water pump stop adding water. The operation is simple, the degree of intelligence is high, the labor input and labor intensity can be reduced, and at the same time, the construction period can be shortened and the construction efficiency can be improved. Description of the Drawings

[0011] Figure 1 is a schematic structural diagram of the present utility model;

[0012] Figure 2 is a circuit diagram of the present utility model;

[0013] In the figure: A - spraying and curing trolley, 1 - water delivery pipe, 2 - water tank, 3 - telescopic rod, 4 - water pump switch button, 5 - upper water level detector, 6 - water level control relay, 7 - lower water level detector, 8 - fastener, 9 - support frame, 10 - hoop, 11 - in-place detection switch, 12 - in-place detection piece. Detailed Embodiments

[0014] In order to better understand the improvements made by the present utility model compared with the prior art, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0015] As Figure 1 shown, an automatic water adding device for a spraying and curing trolley mainly consists of a water tank 2, a telescopic rod 3, an upper water level detector 5, and a water level control relay 6.

[0016] The upper water level detector 5 is arranged inside the water tank 2, and the water level control relay 6 is electrically connected to the upper water level detector 5. A lower water level detector 7 is provided in the middle and lower part of the water tank 2. When the water level in the water tank 2 is insufficient, the lower water level detector 7 promptly gives a water adding prompt to avoid the spraying and curing trolley A lacking water during the working process and needing to return for water adding, which affects the working process and reduces the construction efficiency.

[0017] The telescopic rod 3 is arranged on the outer wall of the spray curing trolley A, and the telescopic rod 3 is an electromagnetic push rod M3. When the spray curing trolley A travels to the specified position below the water delivery pipe 1, the telescopic rod 3 extends to press the water pump switch button 4 to start the water pump for water addition. A position detection switch 11 with the detection end facing downwards is arranged at the bottom of the rear side of the spray curing trolley A, and a water addition in-place detection piece 12 is arranged on the support frame 9 corresponding to the position detection switch 11. The water delivery pipe 1 is erected through the support frame 9, and two semi-circular clamping pieces form a hoop 10 at the top of the support frame 9 and fix the water delivery pipe 1 through a fastener 8. The water pump switch button 4 is arranged on the support frame 9 and can be adjusted in position for different spray curing trolleys A. The water pump switch button 4 is a micro switch SM5.

[0018] As Figure 2 shown, the circuit of the present utility model includes: one end of the position detection switch 11 is connected to the positive pole of the power supply, the other end of the position detection switch 11 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 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 6, the other end of the normally closed contact of the water level control relay 6 is connected to the other end of the position detection switch 11, and 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 addition relay KM11, and the other end of the winding of the water addition relay KM11 is connected to the negative pole of the power supply; one end of the normally open contact of the water addition relay KM11 is connected to the other end of the position detection switch 11, and the other end of the normally open contact of the water addition 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 pole of the power supply.

[0019] One end of the normally open contact of the micro switch SM5 is connected to the other end of the position detection switch 11, and the other end of the normally open contact of the micro switch SM5 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 pole 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 position detection switch 11, and 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 pole of the power supply.

[0020] One end of the normally open contact of the water level upper limit detector 5 is connected to the other end of the position detection switch 11, and the other end of the normally open contact of the water level upper limit detector 5 is connected to one end of the winding of the water level control relay 6, and the other end of the winding of the water level control relay 6 is connected to the negative pole of the power supply.

[0021] When the position detection switch 11 is pressed, the time delay relay KT1 is turned on. After the set time of the time delay relay KT1 arrives, the normally open contact of the time delay relay KT1 closes to supply power to the water addition relay KM11. The normally open contact of the water addition relay KM11 closes to supply power to the electromagnetic push rod M3, so that the electromagnetic push rod M3 extends and touches the water pump switch button 4 installed on the support frame 9, that is, the micro switch SM5 in the circuit diagram.

[0022] When the microswitch SM5 is closed, the water pump control contactor KM12 is energized, the normally open contact of the water pump control contactor KM12 is closed, and the water pump M4 is energized to add water.

[0023] When the water level upper limit detector 5 detects the water in the water tank, the normally open contact of the water level upper limit detector 5 is closed, the water level control relay 6 is energized, the normally closed contact of the water level control relay 6 is opened, and the winding of the water adding relay KM11 is de-energized. At the same time, the normally open contact of the water adding relay KM11 is opened, then the electromagnetic push rod M3 is de-energized, the electromagnetic push rod M3 retracts, the microswitch SM5 is opened, and then both the water pump control contactor KM12 and the water pump M4 are de-energized to stop adding water.

[0024] By adopting the separately arranged electromagnetic push rod M3 and microswitch SM5, it is possible to avoid connecting wires between the spray curing trolley A and other items as much as possible, ensure the mobility of the spray curing trolley A, and at the same time meet the requirement of automatic water addition.

[0025] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. An automatic water-adding device for a spray maintenance vehicle, comprising a water tank (2), characterized in that: The utility model also comprises a telescopic rod (3), a water level upper limit detector (5) and a water level control relay (6), wherein the telescopic rod (3) is arranged on the outer wall of the spray maintenance trolley (A), the water level upper limit detector (5) is arranged inside the water tank (2), and the water level control relay (6) is electrically connected to the water level upper limit detector (5); when the spray maintenance trolley (A) moves to a designated position below the water pipe (1), the telescopic rod (3) is extended to press the water pump switch button (4) to start the water pump to add water; when the water volume and water level reach the water level upper limit detector (5), the water level control relay (6) is attracted under the action of the water level upper limit detector (5), and the normally closed contact is disconnected, so that the water pump stops adding water.

2. The automatic water adding device of the spray curing vehicle according to claim 1 is characterized in that: A water level lower limit detector (7) is provided in the lower middle portion of the water tank (2). When the water level in the water tank (2) is insufficient, the water level lower limit detector (7) issues a water-adding reminder.

3. The automatic water adding device of the spray curing vehicle according to claim 1 is characterized in that: The water delivery pipe (1) is erected via a support frame (9).

4. The automatic water adding device of the spray curing vehicle according to claim 3 is characterized in that: The top of the support frame (9) is provided with two semicircular clips to form a clamp and to fix the water pipe (1) via a fastener (8).

5. The automatic water adding device of the spray maintenance vehicle according to claim 3 is characterized in that: The water pump switch button (4) is arranged on the support frame (9).

6. The automatic water adding device of the spray curing vehicle according to claim 3, characterized in that: The bottom of the rear side of the spray maintenance trolley (A) is provided with an in-place detection switch (11) with the detection end facing downwards, and the support frame (9) is provided with a water addition in-place detection piece (12) corresponding to the in-place detection switch (11).

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