Roadway roof pressure early warning device

Abstract

The utility model discloses a roadway roof pressure early warning device which comprises a lifting assembly, a translation assembly and a detection assembly. A plurality of detection assemblies are arranged and can horizontally move on the translation assembly; the translation assembly is located at the upper end of the lifting assembly. The detection assembly comprises a moving seat, a dust sensor is arranged at the front end of the moving seat, a hollow cylinder is arranged at the upper end of the detection assembly, a pressure sensor is arranged at the lower end in the hollow cylinder, a pressing block is arranged on the pressure sensor, and the upper end of the pressing block extends out of the hollow cylinder and is provided with moving wheels; the detection assembly is internally provided with a control panel, and the upper end is provided with two alarms. The position of the movable seat can be adjusted after the vertical column is fixedly installed, namely, a plurality of points in an area can be detected, and limitation of fixed-point detection can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground operation technical field, specifically point to a kind of roadway roof pressure early warning device. BACKGROUND

[0002] In coal mining, the stability of roadway roof is directly related to the personal safety of mine workers and the normal operation of mine production. In engineering practice, the management of roadway roof is an important work in coal production, which involves monitoring and maintenance of roadway roof to ensure the safety and stability of roadway. Through monitoring and management of roadway roof, the probability of accidents can be reduced, the risk of accidents in mine production process can be reduced, and the safety of mine can be improved.

[0003] With the continuous advancement of driving face, the exposed area of roof also increases, causing the roof to frequently bend, sink, crack, drop slag, collapse and other problems, and even causing serious accidents such as production stoppage and personal injury. In the prior art, the pressure detection of roadway roof is fixed-point detection, the pressure sensing device is in contact with the fixed position of the roof, and the alarm value is set through the central device such as controller. When the pressure exceeds the set value, the alarm is triggered. However, the roadway is long, the roof pressure is unevenly distributed, and the fixed-point detection has great limitations, so there is room for technical improvement. UTILITY MODEL CONTENT

[0004] The utility model solves the above-mentioned technical problem that the roadway is long, the roof pressure is unevenly distributed, and the fixed-point detection has great limitations, and provides a roadway roof pressure early warning device.

[0005] To solve the above technical problems, the utility model provides a technical scheme: a roadway roof pressure early warning device, comprising a lifting assembly, a translation assembly and a detection assembly. The detection assembly is provided with multiple detection assemblies, which can move horizontally on the translation assembly. The translation assembly is located at the upper end of the lifting assembly.

[0006] The lifting assembly comprises two symmetrical columns, and the upper end of each column is movably provided with an extension column.

[0007] The translation assembly comprises a base, a strip-shaped groove is provided on the base, a screw rod is rotatably arranged in the strip-shaped groove, one end of the screw rod extends out of the base and is provided with a motor, and the screw rod is threadedly connected with the detection assembly.

[0008] The detection assembly comprises a moving seat, a dust sensor is arranged at the front end of the moving seat, a hollow cylinder is arranged at the upper end of the detection assembly, a pressure sensor is arranged at the lower end of the hollow cylinder, a pressing block is arranged on the upper surface of the pressure sensor, and a moving wheel is arranged at the upper end of the pressing block and extends out of the hollow cylinder. A control panel is arranged in the detection assembly, and two alarms are arranged at the upper end of the control panel.

[0009] Further, the lower end of the column is provided with a mounting plate, the mounting plate is provided with an assembly hole, and the mounting plate is fixedly installed in the roadway through the assembly hole.

[0010] Further, the column is provided with a T-shaped mounting groove in the longitudinal section, a motor is arranged in the mounting groove, a threaded rod is arranged at the output end of the motor, and the upper end of the threaded rod extends into the extension column; a threaded hole capable of being threadedly connected with the threaded rod is arranged at the lower end of the extension column.

[0011] Further, the mobile seat is inverted U-shaped in the longitudinal section, and a nut block capable of being threadedly connected with the lead screw is arranged at the upper end of the mobile seat.

[0012] Further, the auxiliary frame is arranged at the left and right sides of the mobile seat and outside the base, the limiting convex strips are arranged on the front and rear sides of the auxiliary frame, and the limiting grooves capable of being slidingly connected with the limiting convex strips are arranged on the front and rear sides of the base.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] After the column is installed and fixed at the position, the column is lifted to contact the top plate of the detection assembly, the pressure of the top plate is detected, at the same time, since the top plate will fall off the slag when having the sinking tendency, the dust sensor is additionally arranged to assist in detection, and the detection accuracy is improved;

[0015] In addition, the mobile seat can be adjusted after the column is fixedly installed, that is, a plurality of points in a region can be detected, and the limitation of fixed-point detection can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the utility model.

[0017] Figure 2 is a structural schematic view of the translation assembly and the detection assembly of the utility model.

[0018] Figure 3 is a structural schematic view of the column of the utility model.

[0019] Figure 4 is a structural schematic view of the mobile seat of the utility model.

[0020] As shown in the drawings: 1, column, 2, mounting plate, 3, extension column, 4, mounting groove, 5, threaded rod, 6, base, 7, lead screw, 8, motor, 9, dust sensor, 10, hollow cylinder, 11, pressing block, 12, mobile wheel, 13, alarm, 14, mobile seat, 15, auxiliary frame, 16, limiting convex strip, 17, limiting groove. DETAILED DESCRIPTION

[0021] The utility model will be further explained in detail in combination with the drawings.

[0022] Embodiment one, combined with the attached Figure 1 , 2 A roadway roof pressure early warning device, comprising a lifting assembly, a translation assembly, a detection assembly; The detection assembly is provided with a plurality of horizontal movement on the translation assembly; The translation assembly is located on the upper end of the lifting assembly; Thus, the height is adjusted by the lifting assembly to adapt to the roof position, and the movement detection of different points is realized by the translation assembly;

[0023] Combined with the attached Figure 1 , 2 The lifting assembly comprises two symmetrical columns 1, and the lower end of each column 1 is provided with a mounting plate 2, and the mounting plate 2 is provided with an assembly hole and is fixedly installed in the roadway through the assembly hole; The stability of the whole is improved, and the column 1 is not easy to incline and shake;

[0024] The upper end of the column 1 is movably provided with an extension column 3; Specifically, the column 1 is provided with a T-shaped mounting groove 4 in the longitudinal section, a motor is arranged in the mounting groove 4, a threaded rod 5 is arranged at the output end of the motor, and the upper end of the threaded rod 5 extends into the extension column 3; A threaded hole capable of being threadedly connected with the threaded rod 5 is arranged at the lower end of the extension column 3; In the above structure, the motor drives the extension column 3 to move up and down above the column 1 through the threaded rod 5, that is, the lifting and landing of the translation assembly can be realized; It is worth mentioning that the two motors need to be connected to the same control structure, so that they can run in the same direction at the same time, avoiding the jamming of the extension column 3;

[0025] Combined with the attached Figure 2 , the translation assembly comprises a base 6, the base 6 is provided with a strip-shaped groove, the strip-shaped groove is rotatably provided with a lead screw 7, one end of the lead screw 7 extends out of the base 6 and is provided with a motor 8, and the lead screw 7 is threadedly connected with the detection assembly; Thus, the motor 8 drives the lead screw 7 to rotate, so that the detection assembly can be simultaneously displaced, adjusted and changed in position for detection at different points;

[0026] Combined with the attached Figure 1 , 2 , 4, the detection assembly comprises a moving seat 14, the moving seat 14 is inverted U-shaped in the longitudinal section, and a nut block capable of being threadedly connected with the lead screw 7 is arranged at the inner upper end of the moving seat 14, so that the moving seat 14 can be clamped on the outer side of the translation assembly and moved;

[0027] The left and right sides of the moving seat 14 and the outer side of the base 6 are both provided with auxiliary frames 15, the front and rear sides of the auxiliary frames 15 are both provided with limiting convex strips 16, and the front and rear sides of the base 6 are both provided with limiting grooves 17 capable of being slidably connected with the limiting convex strips 16; The limiting convex strips 16 and the limiting grooves 17 can limit the movement path of the moving seat 14, so that it is not easy to deviate and jam;

[0028] Combined with the attached Figure 4The front end of the moving seat 14 is provided with a dust sensor 9, which can assist in detection and improve detection accuracy because the top plate will drop debris when it has a sinking tendency; the upper end of the detection assembly is provided with a hollow cylinder 10, the lower end of the hollow cylinder 10 is provided with a pressure sensor, the upper end of the pressure sensor is provided with a pressing block 11, the upper end of the pressing block 11 extends out of the hollow cylinder 10 and is provided with a moving wheel 12, the moving wheel 12 can reduce the friction between the top plate and the moving wheel 12, and facilitate horizontal movement; the detection assembly is provided with a control panel, and the upper end is provided with two alarms 13; when the top plate sinks and the pressure becomes larger, it will be transmitted to the pressure sensor through the pressing block 11, and the corresponding alarm 13 will alarm and remind through the built-in control panel, thereby improving the safety of the operation in the roadway.

[0029] The above describes the present application and its embodiments, which is not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments similar to the technical solution, which should belong to the protection scope of the present application.

Claims

1. A roadway roof pressure early warning device, characterized in that: Including lifting assembly, translation assembly, detection assembly, detection assembly is equipped with multiple, can move horizontally on the translation assembly, translation assembly is located on the upper end of lifting assembly, Lifting assembly includes two symmetrical columns (1), the upper end of the column (1) is movably provided with an extension column (3); The translation assembly includes a base (6), a strip-shaped groove is provided on the base (6), a lead screw (7) is rotatably arranged in the strip-shaped groove, one end of the lead screw (7) extends out of the base (6) and is provided with a motor (8), and the lead screw (7) is threadedly connected with the detection assembly; The detection assembly includes a moving seat (14), a dust sensor (9) is arranged at the front end of the moving seat (14), a hollow cylinder (10) is arranged at the upper end of the detection assembly, a pressure sensor is arranged at the lower end of the hollow cylinder (10), a pressing block (11) is arranged on the upper surface of the pressure sensor, and a moving wheel (12) is arranged at the upper end of the pressing block (11) and extends out of the hollow cylinder (10); a control panel is arranged in the detection assembly, and two alarms (13) are arranged at the upper end of the control panel.

2. The roof pressure warning device of claim 1, wherein: The lower end of the column (1) is provided with a mounting plate (2), the mounting plate (2) is provided with an assembly hole, and the mounting plate (2) is fixedly installed in the roadway through the assembly hole.

3. The roof pressure warning device of claim 1, wherein: The column (1) is provided with a T-shaped mounting groove (4) in the longitudinal section, a motor is arranged in the mounting groove (4), a threaded rod (5) is arranged at the output end of the motor, and the upper end of the threaded rod (5) extends into the extension column (3); a threaded hole capable of threadedly connecting with the threaded rod (5) is arranged at the lower end of the extension column (3).

4. The roof pressure warning device of claim 1, wherein: The moving seat (14) is inverted U-shaped in the longitudinal section, and a nut block capable of threadedly connecting with the lead screw (7) is arranged at the upper end of the moving seat (14).

5. The roof pressure warning device of claim 1, wherein: The moving seat (14) is inverted U-shaped in the longitudinal section, and a nut block capable of threadedly connecting with the lead screw (7) is arranged at the upper end of the moving seat (14). The moving seat (14) is inverted U-shaped in the longitudinal section, and a nut block capable of threadedly connecting with the lead screw (7) is arranged at the upper end of the moving seat (14).

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