Automatic depth cutting device for a mine milling machine

Abstract

This utility model belongs to the field of engineering machinery, specifically disclosing an automatic cutting depth device for a mining milling machine. It includes a pull rope sensor, a rotor frame side plate, a pull rope, an electrical control box, a milling rotor, and a control system. The pull rope sensor is installed on the milling machine body. One end of the pull rope is connected to the sensor, and the other end is connected to the outer surface of the rotor frame side plate. The milling rotor is connected to the inner side of the rotor frame side plate. The operation of the milling rotor causes the rotor frame side plate to move in the opposite direction. The pull rope is perpendicular to the ground. The pull rope sensor's wiring port is connected to the electrical control box via a communication cable. This device measures the upward movement distance of the rotor frame side plate using the pull rope sensor to obtain the distance the milling rotor penetrates into the ground after milling. This distance information is then fed back to the electrical control box via the sensor. The control system then controls the milling depth of the milling rotor, thereby achieving cutting depth control of the milling machine and improving milling accuracy.

Description

Technical Field

[0001] This utility model belongs to the field of engineering machinery, and particularly relates to the structure of milling machines, specifically an automatic depth cutting device for mining milling machines. Background Technology

[0002] In the field of construction machinery, milling machines are commonly used for milling and cutting road surfaces. Specifically, the relative rotation of the milling rotors achieves the cutting and leveling of the road surface. However, the required cutting depth often varies depending on the road surface conditions, and it is difficult for operators to accurately control the cutting depth of the milling rotors based solely on experience to achieve the desired road surface leveling effect. Utility Model Content

[0003] The purpose of this utility model is to provide an automatic cutting depth device for mining milling machines, which is used to control the cutting depth of the milling machine.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: An automatic cutting depth device for a mining milling machine includes a pull rope sensor, a rotor frame side plate, a pull rope, an electrical control box, a milling rotor, and a control system. The pull rope sensor is installed on the milling machine body. One end of the pull rope is connected to the pull rope sensor, and the other end is connected to the outer surface of the rotor frame side plate of the milling machine. The milling rotor is connected to the inner side of the rotor frame side plate. When the milling rotor runs, it will drive the rotor frame side plate to move in the opposite direction. The direction of the pull rope is perpendicular to the ground. The wiring port of the pull rope sensor is connected to the electrical control box through a communication cable.

[0005] Furthermore, the pull rope sensor includes a mounting base plate with threaded holes at its four corners, and the pull rope sensor is fixed to the milling machine frame base plate by bolts.

[0006] Furthermore, the electrical control box is also connected to an explosion-proof tablet computer for visual monitoring of the milling operation process and real-time display of the milling depth measured by the draw rope sensor.

[0007] The beneficial technical effects of this utility model are as follows: 1. This utility model uses a pull-rope sensor to measure the upward movement distance of the rotor frame side plate to obtain the distance the milling rotor penetrates into the ground after milling the ground. It has higher accuracy, outputs analog signals within the measurement range, and has small signal errors.

[0008] 2. This utility model can transmit the measured distance information to the electrical control box through the sensor, and then display the milling depth of the milling rotor in real time through the explosion-proof tablet computer. This makes it easier for the operator to control the cutting depth of the milling machine, improves the milling accuracy, and can better achieve the set milling depth. Attached Figure Description

[0009] Figure 1 This is a schematic diagram of the automatic depth cutting device in an embodiment of this utility model.

[0010] Figure 2 This is a schematic diagram of the rope sensor in this utility model.

[0011] Among them, 1-pull rope sensor; 2-rotor frame side plate; 3-pull rope; 4-vehicle frame bottom plate; 5-milled rotor. Detailed Implementation

[0012] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model, so that those skilled in the art can reproduce this technical solution after understanding the principle of this solution.

[0013] Example 1 like Figure 1 As shown in the figure, this embodiment discloses an automatic cutting depth device for a mining milling machine, including a rope sensor 1, a rotor frame side plate 2, a rope 3, an electrical control box 4, and a milling rotor 5.

[0014] The electrical control box 4 contains a control system.

[0015] The pull rope sensor 1 is installed on the milling machine body. One end of the pull rope 3 is connected to the pull rope sensor 1, and the other end is connected to the rotor frame side plate 2 of the milling machine. The milling rotor 5 is connected to the inside of the rotor frame side plate 2. When the milling rotor 5 runs, it will drive the rotor frame side plate 2 to move in the opposite direction. The direction of the pull rope 3 is perpendicular to the ground. The wiring port of the pull rope sensor 1 is connected to the electrical control box 4 through the communication cable.

[0016] The draw rope sensor 1 can be installed on any part of the machine body that can detect linear reciprocating movement to measure the distance traveled. Its maximum range is 2m, the draw rope diameter is 0.8mm, and the maximum moving speed is 1m / s. The sensor can measure moving distances of 0-2m with high precision.

[0017] like Figure 2 As shown, the pull rope sensor 1 includes a mounting base plate with threaded holes at the four corners. The pull rope sensor 1 can be installed on the corresponding position of the milling machine frame using a matching bolt assembly.

[0018] The rotor frame side plate 2 is connected to the hydraulic cylinder and can move up and down reciprocally by extending and retracting the hydraulic cylinder. When the milling machine is working, the milling drum will move downward as the milling depth increases. The hydraulic cylinder, the frame, etc. will move downward as a whole with the milling drum, while the rotor frame side plate 2 will stay on the ground, forming a relative motion. Therefore, the rope sensor 1 will sense the change in distance, provide feedback, and obtain the corresponding value.

[0019] The working principle of this device is as follows: After the electrical control box 4 issues the instruction to the milling machine to start milling, the milling rotor 5 performs milling operations downwards into the ground, while the rotor frame side plate 2 moves upwards. The distance the rotor frame side plate 2 moves can be clearly seen to know the distance the milling rotor 5 penetrates into the ground after milling (range 0 to 200mm). The distance information is fed back to the electrical control box 5 through the pull rope sensor 1, and then the milling depth can be viewed intuitively through the explosion-proof tablet computer. This helps the operator to control the cutting depth of the milling machine and improves the milling accuracy, enabling better completion of the set milling depth.

[0020] It should be noted that all contents not described in detail in this specification are prior art known to those skilled in the art. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic depth-cutting device for a mining milling machine, characterized in that: The system includes a pull rope sensor (1), a rotor frame side plate (2), a pull rope (3), an electrical control box (4), a milling rotor (5), and a control system. The pull rope sensor (1) is installed on the milling machine body. One end of the pull rope (3) is connected to the pull rope sensor (1), and the other end is connected to the outer surface of the rotor frame side plate (2) of the milling machine. The milling rotor (5) is connected to the inner side of the rotor frame side plate (2). When the milling rotor (5) runs, it will drive the rotor frame side plate (2) to move in the opposite direction. The direction of the pull rope (3) is perpendicular to the ground. The wiring port of the pull rope sensor (1) is connected to the electrical control box (4) through a communication cable.

2. The automatic depth-cutting device for a mining milling machine according to claim 1, characterized in that: The pull rope sensor (1) includes a mounting base plate with threaded holes at the four corners. The pull rope sensor (1) is fixed to the milling machine frame base plate by bolts.

3. The automatic depth-cutting device for a mining milling machine according to claim 1, characterized in that: The electrical control box (4) is connected to an explosion-proof tablet computer for visual monitoring of the milling operation process and real-time display of the milling depth measured by the pull rope sensor (1).

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