Ventilation resistance detection device

Abstract

The utility model discloses a ventilation resistance detection device which comprises a detection box and a mounting base, the detection box is mounted on the upper end face of the mounting base, a detection probe at the bottom of the detection box penetrates through the detection box and extends to the position below the detection box, supporting legs are arranged at the two ends of the mounting base, and extension cylinders are mounted in the supporting legs in a threaded mode; the extending cylinders can movably extend to the outer portions of the supporting legs, threaded rods are installed in the extending cylinders in a threaded mode, and the threaded rods can movably extend to the outer portions of the extending cylinders. According to the ventilation resistance detection device, the lengths of the supporting legs on the two sides can be adjusted according to detection requirements, the transverse position of the mounting base in the roadway is changed, and the detection box is fixed to different transverse positions in the roadway for detection; the trouble that the ventilation resistance at different positions of the roadway can be detected only by re-wiring, mounting and debugging after the detection instrument is disassembled is avoided, time and labor are saved, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine laneway ventilation resistance detection equipment, concretely relates to a ventilation resistance detection device. BACKGROUND

[0002] Mine laneway ventilation detection is the process of investigating, measuring and analyzing mine ventilation conditions and parameters, which involves detecting ventilation facilities such as ventilators, motors, air ducts, air doors and multiple indexes such as air volume, air pressure, air speed, air direction, toxic gas concentration, dust content, temperature and humidity. Through this detection, the performance and effect of the ventilation system can be evaluated to ensure that the mine air quality meets safety standards, provide a healthy and safe working environment for miners, and effectively prevent safety accidents caused by poor ventilation.

[0003] However, the detection of the existing mine laneway ventilation resistance usually requires professional personnel to carry a large number of instruments and equipment, and to perform wiring, installation and debugging work on the detection instruments on site, which is more troublesome. Moreover, when detecting the ventilation resistance at different positions of the laneway, the position of the detection instrument needs to be changed, and wiring, installation and debugging work need to be performed again, which is time-consuming and laborious and has low detection efficiency. Therefore, the technical personnel in the field provide a ventilation resistance detection device to solve the problems raised in the above background. SUMMARY

[0004] The utility model aims at providing a ventilation resistance detection device to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A ventilation resistance detection device comprises a detection box and a mounting seat. The detection box is installed on the upper end face of the mounting seat, and the detection probe at the bottom of the detection box extends to below the detection box through the detection box. Both ends of the mounting seat are provided with support legs, and the inside of the support leg is screw-threaded with an extension cylinder. The extension cylinder extends to the outside of the support leg in a movable manner. The inside of the extension cylinder is screw-threaded with a threaded rod, and the threaded rod extends to the outside of the extension cylinder in a movable manner. One end of the threaded rod outside the extension cylinder is provided with a support foot, and the support foot is attached to the laneway wall of the mine laneway.

[0007] Preferably, a through hole is formed in the position corresponding to the detection probe on the end face of the mounting seat, and the detection probe extends to below the mounting seat through the through hole.

[0008] Preferably, a first screw groove is formed in the inside of the support leg, and the extension cylinder is screw-threaded in the inside of the first screw groove.

[0009] Preferably, the outer wall of the support leg is provided with a first annular limiting plate away from one end of the mounting base, and the outer wall of the extension cylinder is provided with a first limiting nut at one end outside the support leg, which is screwed on the outer wall of the extension cylinder and tightly abuts against the side wall of the first annular limiting plate.

[0010] Preferably, the inner wall of the extension cylinder is provided with a second threaded groove, and the threaded rod is screwed in the second threaded groove.

[0011] Preferably, the outer wall of the extension cylinder is provided with a second annular limiting plate at one end outside the support leg, and the outer wall of the threaded rod is provided with a second limiting nut at one end outside the extension cylinder, which is screwed on the outer wall of the threaded rod and tightly abuts against the side wall of the second annular limiting plate.

[0012] Preferably, the inner threads of the first limiting nut and the second limiting nut are opposite to the inner threads of the first threaded groove and the second threaded groove, respectively.

[0013] Compared with the prior art, the ventilation resistance detection device has the following advantages:

[0014] By setting the detection box and the mounting base, the detection box can be directly installed on the mounting base during use, and the extension cylinder and the threaded rod on the support leg are twisted in sequence to adjust the position of the support foot, so that the support feet on both sides of the mounting base are tightly pressed against the sidewalls of the mine tunnel on both sides, the installation of the detection box is completed, the length of the support leg on both sides can be adjusted according to the detection requirement, the horizontal position of the mounting base in the tunnel is changed, the detection box is fixed at different horizontal positions in the tunnel for detection, the trouble of disassembling the detection instrument, rewiring, installation and debugging to detect the ventilation resistance of different positions in the tunnel is avoided, time and labor are saved, and the detection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Fig. 1 is a three-dimensional schematic view of a ventilation resistance detection device according to an embodiment of the present application;

[0016] Figure 2 Fig. 2 is a three-dimensional schematic view of a mounting base according to an embodiment of the present application;

[0017] Figure 3 Fig. 3 is a split schematic view of a support leg, an extension cylinder and a support foot according to an embodiment of the present application;

[0018] Figure 4 Fig. 4 is an extension schematic view of a support leg according to an embodiment of the present application.

[0019] In the figure: 1, detection box; 11, detection probe; 2, mounting seat; 201, through hole; 21, support leg; 211, first threaded groove; 212, first annular limiting plate; 22, extension cylinder; 221, second threaded groove; 222, second annular limiting plate; 23, threaded rod; 24, support foot; 25, first limiting nut; 26, second limiting nut. DETAILED DESCRIPTION

[0020] In the description of the present application, it should be understood that the terms "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, or be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more. In addition, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion.

[0021] In combination Figures 1-4 As shown, the detection box 1 is installed on the upper end face of the mounting seat 2, and the detection probe 11 at the bottom of the detection box 1 extends through the detection box 1 to below it, both ends of the mounting seat 2 are provided with support legs 21, the inside of the support leg 21 is threadedly installed with an extension cylinder 22, the extension cylinder 22 extends to the outside of the support leg 21 in a movable manner, the inside of the extension cylinder 22 is threadedly installed with a threaded rod 23, the threaded rod 23 extends to the outside of the extension cylinder 22 in a movable manner, one end of the threaded rod 23 located outside the extension cylinder 22 is provided with a support foot 24, and the support foot 24 is attached to the roadway wall of the mine roadway.

[0022] In one embodiment, when installing the detection box 1 in the mine tunnel, the detection box 1 can be directly installed on the upper end face of the mounting seat 2, the detection probe 11 at the bottom of the detection box 1 extends from the through hole 201 to below the mounting seat 2, and then the extension cylinder 22 and the threaded rod 23 are screwed in sequence through the first threaded groove 211 and the second threaded groove 221, so that the extension cylinder 22 and the threaded rod 23 extend out of the support leg 21 and the extension cylinder 22 respectively, and the support foot 24 mounted on the threaded rod 23 is tightly attached to the tunnel wall of the mine tunnel. Finally, the first limiting nut 25 and the second limiting nut 26 are screwed in sequence, so that the first limiting nut 25 and the second limiting nut 26 are tightly attached to the side walls of the first annular limiting plate 212 and the second annular limiting plate 222 respectively, and the extension cylinder 22 and the threaded rod 23 after adjustment are tightened to limit the position. The installation of the detection box 1 can be completed, which is simple in structure, convenient to disassemble and assemble, and improves the efficiency of the staff installing the detection instrument.

[0023] In one embodiment, since the internal threads of the first limiting nut 25 and the second limiting nut 26 are opposite to the internal thread direction of the first threaded groove 211 and the second threaded groove 221 respectively, when limiting the extension cylinder 22 and the threaded rod 23 after adjustment, the first limiting nut 25 and the second limiting nut 26 on the outer wall of the extension cylinder 22 and the threaded rod 23 can be screwed respectively, so that the first limiting nut 25 and the second limiting nut 26 are tightly attached to the side walls of the first annular limiting plate 212 and the second annular limiting plate 222 respectively, and the extension cylinder 22 and the threaded rod 23 after adjustment are tightened to limit the position. The displacement of the extension cylinder 22 and the threaded rod 23 after adjustment is prevented, which avoids the loosening of the mounting seat 2 in the tunnel caused by the displacement of the extension cylinder 22 and the threaded rod 23 after adjustment, and ensures the stability of the installation of the detection box 1 and the mounting seat 2.

[0024] In one embodiment, when adjusting the detection position of the detection box 1, the extension cylinder 22 and the threaded rod 23 on the support leg 21 on both sides of the mounting seat 2 can be screwed respectively, so that the extension cylinder 22 and the threaded rod 23 extend out of the support leg 21 and the extension cylinder 22 respectively, and the support foot 24 is pushed to displace towards the tunnel wall of the mine tunnel. The distance between the two support feet 24 and the mounting seat 2 is adjusted, the transverse position of the mounting seat 2 in the tunnel is changed, the detection box 1 can be fixed at different transverse positions in the tunnel for detection, and the trouble of disassembling, rewiring, installing and debugging the detection instrument to detect the ventilation resistance of different positions in the tunnel is avoided, which saves time and effort and improves the detection efficiency.

[0025] In one embodiment, when detecting the different height positions of the mine tunnel, the mounting base 2 can be supported at different heights of the mine tunnel through the supporting feet 24 on the supporting legs 21, the height adjustment of the detection box 1 on the mounting base 2 can be completed, and the detection of the ventilation resistance of the different heights of the mine tunnel is realized, and the practicability is high.

[0026] The working principle of the utility model is: when detecting the ventilation resistance of the mine tunnel, the detection box 1 can be directly installed on the upper end face of the mounting base 2, the detection probe 11 at the bottom of the detection box 1 extends to the lower side of the mounting base 2 from the through hole 201, then the extension cylinder 22 and the threaded rod 23 are screwed in sequence through the first threaded groove 211 and the second threaded groove 221, the extension cylinder 22 and the threaded rod 23 extend out of the supporting leg 21 and the extension cylinder 22 respectively, the supporting feet 24 on the threaded rod 23 are tightly attached to the tunnel wall of the mine tunnel, finally, the first limiting nut 25 and the second limiting nut 26 are screwed in sequence, the first limiting nut 25 and the second limiting nut 26 are tightly attached to the side walls of the first annular limiting plate 212 and the second annular limiting plate 222 respectively, the extension cylinder 22 and the threaded rod 23 are screwed, the extension cylinder 22 and the threaded rod 23 after the adjustment position are limited, the installation of the detection box 1 can be completed, the distance between the two supporting feet 24 and the mounting base 2 can be adjusted according to the detection requirement, the transverse position of the mounting base 2 in the tunnel is changed, the mounting base 2 is supported at different heights of the mine tunnel through the supporting feet 24 on the supporting legs 21, the detection box 1 is fixed at different positions in the tunnel for detection, the trouble that the detection instrument needs to be disassembled, rewired, installed and debugged to detect the ventilation resistance of different positions of the tunnel is avoided, time and labor are saved, and the detection efficiency is improved.

[0027] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model makes equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A ventilation resistance detection device, comprising: The utility model provides a detection box (1) and mounting seat (2), its characterized in be that the detection box (1) is installed on the upper end surface of mounting seat (2), and the detection probe (11) of detection box (1) bottom extends to below it through detection box (1), both ends of mounting seat (2) are provided with support leg (21), the inside screw thread of support leg (21) is installed with extension cylinder (22), extension cylinder (22) extends to the outside of support leg (21) in a movable manner, the inside screw thread of extension cylinder (22) is installed with threaded rod (23), threaded rod (23) extends to the outside of extension cylinder (22) in a movable manner, the one end of threaded rod (23) located outside extension cylinder (22) is provided with support foot (24), and support foot (24) is attached to the roadway wall of mine roadway.

2. The device of claim 1, wherein, The end surface of mounting seat (2) is provided with a through hole (201) corresponding to the position of detection probe (11), and the detection probe (11) extends to the lower side of mounting seat (2) through the through hole (201).

3. The device of claim 1, wherein, The inside of support leg (21) is provided with a first threaded groove (211), and the extension cylinder (22) is screw-threaded in the first threaded groove (211).

4. The device of claim 3, wherein, The outer wall of support leg (21) is provided with a first annular limiting plate (212) away from the one end of mounting seat (2), and the outer wall of extension cylinder (22) is provided with a first limiting nut (25) away from the one end outside support leg (21), which is screw-threaded in the outer wall of extension cylinder (22) and tightly attached to the side wall of first annular limiting plate (212).

5. A device for detecting the resistance to ventilation according to claim 4, characterized in that The inside of extension cylinder (22) is provided with a second threaded groove (221), and the threaded rod (23) is screw-threaded in the second threaded groove (221).

6. A device for detecting the resistance to ventilation according to claim 5, characterized in that The outer wall of extension cylinder (22) is provided with a second annular limiting plate (222) away from the one end outside support leg (21), and the outer wall of threaded rod (23) is provided with a second limiting nut (26) away from the one end outside extension cylinder (22), which is screw-threaded in the outer wall of threaded rod (23) and tightly attached to the side wall of second annular limiting plate (222).

7. A device for detecting the resistance to ventilation according to claim 6, characterized in that The inside screw thread of first limiting nut (25) and second limiting nut (26) is opposite to the inside screw thread direction of first threaded groove (211) and second threaded groove (221) respectively.

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