Gas monitoring device for treating coal mine goaf

Abstract

The utility model relates to the technical field of coal mine goaf gas monitoring, and provides a coal mine goaf gas monitoring device which comprises a base, a plurality of walking wheels are fixedly connected to the lower ends of the two sides of the base, the walking wheels are horizontally distributed at the lower end of the base at equal intervals, and a detection assembly is arranged above the front side of the base. The device comprises a detection assembly used for detecting the underground gas concentration of a coal mine, a first lifting assembly is arranged at the rear end of the detection assembly and used for lifting the detection assembly, an operation assembly is arranged at the rear end of the detection assembly and used for operating the first lifting assembly, and an operation box is arranged outside the operation assembly and used for operating the first lifting assembly. The operation box is fixedly connected with the outer wall of the top end of the rear side of the base, and the outer wall of the rear end of the operation box is fixedly connected with a push handle, so that a user can conveniently adjust the height of the detector according to own requirements, the user can conveniently detect the gas concentration in different height ranges, and the detection efficiency of the user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine goaf gas monitoring, in particular to a coal mine goaf gas monitoring device for treatment. Background Art

[0002] The detection and monitoring of mine gas is one of the important measures to ensure safe production in coal mines and prevent gas explosion accidents. It is also the basic basis for studying the laws of gas emission and evaluating the effectiveness of gas prevention and control.

[0003] After searching, the existing patent (Announcement No.: CN213364688U) discloses a gas monitoring device, including a smoke sensor and a wireless network. The smoke sensor is provided with a shell on the outside, and the shell is used to protect the smoke sensor and electrical components. The shell is a frustum structure with an open upper end and a hollow interior. A cover is provided at the top of the shell, and a long arc-shaped ventilation hole is opened at the bottom of the shell. A fixing mechanism is provided on the side of the shell, and the fixing mechanism includes a throat clamp, a horizontal connecting rod, and a vertical connecting rod. A rotating mechanism is provided between the horizontal connecting rod and the vertical connecting rod. A fan is provided at the cover position. The utility model is provided with a shell, a fixing mechanism and a rotating mechanism. The shell is fixed to the cave wall by the fixing mechanism, which makes it easy to remove the shell together with the smoke sensor for maintenance or installation. The shell can be placed at a suitable angle by the rotating mechanism, and the fan is used to accelerate the air circulation inside and outside the shell to improve the detection accuracy. The above-mentioned utility model drives the air circulation in the coal mine shaft by the fan, drives the underground air to fully contact with the detection head, and improves the detection accuracy of the device. However, the height of the device is fixed, and it can only detect a specific height during use, thereby reducing the detection range of the device. At the same time, the device is easy to fix to the wall but is not easy to carry and use, thereby reducing the scope of use of the device. Utility Model Content

[0004] The utility model proposes a gas monitoring device for coal mine goaf management, which solves the problem in the related art that the height of the device is fixed and it can only detect a specific height during use, thereby reducing the detection range of the device. At the same time, the device is easy to fix to the wall but is not easy to carry and use, thereby reducing the scope of use of the device.

[0005] The technical solution of the present utility model is as follows: A gas monitoring device for coal mine goaf management includes: a base, a plurality of walking wheels are fixedly connected to the lower ends of both sides of the base, and the plurality of walking wheels are horizontally equidistantly distributed at the lower end of the base, a detection component is provided above the front side of the base for detecting the gas concentration underground in the coal mine, a first lifting component is provided at the rear end of the detection component for lifting the detection component, an operating component is provided at the rear end of the detection component for operating the first lifting component, an operating box is provided on the outside of the operating component, the operating box is fixedly connected to the outer wall of the top rear end of the base, and a push handle is fixedly connected to the outer wall of the rear end of the operating box.

[0006] Preferably, the operating assembly includes a rotating handle that passes through and is rotatably connected to the inner wall of the left end of the operating box. The outer wall of the rotating handle is rotatably connected to a limiting ring, and the limiting ring is fixedly connected to the top inner wall of the operating box.

[0007] Preferably, the operating assembly further comprises a second bevel gear fixedly connected to the outer wall of the right end of the rotating handle, and the outer wall of the second bevel gear is meshedly connected to the first bevel gear.

[0008] Preferably, the operating assembly also includes a rotating shaft fixedly connected to the inner wall at the center of the first bevel gear, the top end of the rotating shaft is rotatably connected to the inner wall of the top end of the operating box, the bottom end of the rotating shaft passes through the bottom end of the operating box and the inner wall of the top end of the base in sequence and is fixedly connected to a large gear, and the bottom end of the rotating shaft is rotatably connected to the inner wall of the bottom end of the base.

[0009] Preferably, the first lifting assembly includes a small gear meshingly connected to the outer wall of the front end of the large gear, and a screw rod is fixedly connected to the inner wall at the center of the small gear. The bottom end of the screw rod is rotatably connected to the inner wall of the bottom end of the base, and the top end of the screw rod passes through the outer wall of the top end of the base and is rotatably connected thereto.

[0010] Preferably, the first lifting assembly further comprises a threaded ring threadedly connected to the outer wall of the screw rod, and the top outer wall of the screw rod is rotatably connected to a three-shaft sleeve.

[0011] Preferably, the first lifting assembly also includes a sliding rod rotatably connected to the inner walls of the bottom ends on the left and right sides of the three-axis sleeve, the bottom ends of the two sliding rods are fixedly connected to the top outer wall of the base, the outer walls of the two sliding rods are slidably connected to the sliding sleeves, the front end outer walls of the two sliding sleeves are fixedly connected to the placement plate, and the outer wall of the placement plate is fixedly connected to the front end of the threaded ring.

[0012] Preferably, the detection assembly includes a fixing ring arranged on the outer wall of the top of the placement plate, and the top of both sides of the fixing ring are threadedly connected with a number of fixing screws, and the several fixing screws are horizontally and equidistantly distributed on the top of both sides of the fixing ring, and the bottom ends of the several fixing screws are threadedly connected to the top of the placement plate.

[0013] Preferably, the detection assembly further comprises a plurality of fixing belts fixedly connected to the outer walls at both ends of the fixing ring, the plurality of fixing belts are horizontally and equidistantly distributed at both ends of the fixing ring, and a hydraulic rod is fixedly connected to the top end of the fixing ring.

[0014] Preferably, the detection component also includes a fixed plate fixedly connected to the output end of the hydraulic rod, the top outer wall of the fixed plate is fixedly connected to a detector, downhole lights are provided on both sides of the detector, and the bottom ends of the two downhole lights are fixedly connected to the outer wall of the fixed plate.

[0015] The working principle and beneficial effects of the utility model are as follows:

[0016] 1. In the utility model, the threaded ring is driven upward by the screw rod, the placement plate is driven upward by the threaded ring, the placement plate is driven upward by the hydraulic rod, the fixing plate is driven upward by the hydraulic rod, and the detector is driven upward by the fixing plate, so that the user can adjust the height of the detector according to his needs, thereby facilitating the user to detect gas concentrations in different height ranges. When the user needs to carry the detector alone, the fixing ring is fixed on the user's arm, which is convenient for the user to carry alone, thereby expanding the user's detection range and improving the user's detection efficiency. At the same time, a better lighting environment is provided for the user, thereby improving the user's observation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0018] Figure 1 This is a schematic diagram of the front structure proposed by the utility model;

[0019] Figure 2 This is a rear view structural diagram of the utility model;

[0020] Figure 3 This is a schematic diagram of the rear cross-sectional structure proposed by the utility model;

[0021] Figure 4 This is a schematic diagram of the expanded structure of the operating assembly, the first lifting assembly and the detection assembly proposed in the present utility model;

[0022] In the figure: 1. Base; 2. Travel wheel; 3. Operating box; 4. First lifting assembly; 401. Small gear; 402. Screw rod; 403. Threaded ring; 404. Sliding rod; 405. Sliding sleeve; 406. Three-axis sleeve; 407. Placement plate; 5. Detection assembly; 501. Fixed ring; 502. Fixed screw; 503. Fixed belt; 504. Hydraulic rod; 505. Fixed plate; 506. Detector; 507. Downhole light; 6. Operating assembly; 601. Big gear; 602. Rotating shaft; 603. First bevel gear; 604. Second bevel gear; 605. Rotating handle; 606. Limiting ring; 7. Push handle. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] The present application discloses a gas monitoring device for coal mine goaf control. Figures 1-4, a gas monitoring device for coal mine goaf treatment, comprising: a base 1, a plurality of walking wheels 2 are fixedly connected to the lower ends of both sides of the base 1, and the plurality of walking wheels 2 are horizontally equidistantly distributed at the lower end of the base 1, a detection component 5 is arranged above the front side of the base 1 for detecting the gas concentration in the coal mine, a first lifting component 4 is arranged at the rear end of the detection component 5 for lifting the detection component 5, an operating component 6 is arranged at the rear end of the detection component 5 for operating the first lifting component 4, an operating box 3 is arranged outside the operating component 6, the operating box 3 is fixedly connected to the outer wall of the top end of the rear side of the base 1, a push handle 7 is fixedly connected to the outer wall of the rear end of the operating box 3, the operating component 6 includes a rotating handle 605 that passes through and is rotatably connected to the inner wall of the left end of the operating box 3, the outer wall of the rotating handle 605 is rotatably connected to a limiting ring 606, and the limiting ring 606 is fixedly connected to the inner wall of the top end of the operating box 3, the operating component 6 also includes a second bevel gear 604 fixedly connected to the outer wall of the right end of the rotating handle 605, the outer wall of the second bevel gear 604 The wall is meshed with a first bevel gear 603, and the operating component 6 also includes a rotating shaft 602 fixedly connected to the inner wall at the center of the first bevel gear 603. The top end of the rotating shaft 602 is rotatably connected to the inner wall of the top end of the operating box 3, and the bottom end of the rotating shaft 602 passes through the bottom end of the operating box 3 and the top inner wall of the base 1 in sequence and is fixedly connected to the large gear 601. The bottom end of the rotating shaft 602 is rotatably connected to the inner wall of the bottom end of the base 1. The gear diameter of the large gear 601 is larger than the small gear 401, and the number of teeth of the large gear 601 is N times that of the small gear 401, so that it is convenient for the user to quickly lift and lower by rotating the handle 605, thereby saving physical effort for the user. The limiting ring 606 limits the rotating handle 605 and provides stability for the rotation of the rotating handle 605. When the user needs to move the device, he pushes the push handle 7, drives the operating box 3 forward through the push handle 7, drives the base 1 forward through the operating box 3, and drives the walking wheel 2 to roll through the base 1, so that it is convenient for the user to drive the device to move.

[0025] See also Figure 1 and Figure 4The first lifting assembly 4 includes a small gear 401 meshingly connected to the outer wall of the front end of the large gear 601, and a screw rod 402 is fixedly connected to the inner wall of the center of the small gear 401. The bottom end of the screw rod 402 is rotatably connected to the inner wall of the bottom end of the base 1, and the top of the screw rod 402 passes through the top outer wall of the base 1 and is rotatably connected thereto. The first lifting assembly 4 also includes a threaded ring 403 threadedly connected to the outer wall of the screw rod 402, and the top outer wall of the screw rod 402 is rotatably connected to the three-axis sleeve 406. The first lifting assembly 4 also includes a sliding rod 404 rotatably connected to the inner wall of the bottom end on the left and right sides of the three-axis sleeve 406, and the bottom ends of the two sliding rods 404 are fixed to the top outer wall of the base 1. The outer walls of the two sliding rods 404 are slidably connected with the sliding sleeves 405, and the outer walls of the front ends of the two sliding sleeves 405 are fixedly connected with the placement plate 407. The outer wall of the placement plate 407 is fixedly connected to the front end of the threaded ring 403. When the screw rod 402 rotates, the threaded ring 403 is driven by the screw rod 402 to transmit the transmission, and the placement plate 407 is driven by the threaded ring 403 to transmit the transmission. At the same time, the rear end of the placement plate 407 is fixedly connected to the two sliding sleeves 405, and the two sliding sleeves 405 are limited on the sliding rod 404. Therefore, the threaded ring 403 moves upward under the drive of the screw rod 402, and the placement plate 407 is driven upward by the threaded ring 403.

[0026] See also Figure 2 and Figure 4 , the detection component 5 includes a fixed ring 501 arranged on the outer wall of the top of the placement plate 407, and the tops of both sides of the fixed ring 501 are threadedly connected with a number of fixed screws 502, and the multiple fixed screws 502 are horizontally equidistantly distributed on the tops of both sides of the fixed ring 501, and the bottom ends of the multiple fixed screws 502 are threadedly connected to the top of the placement plate 407. The detection component 5 also includes a number of fixed belts 503 fixedly connected to the outer walls of both ends of the fixed ring 501, and the multiple fixed belts 503 are horizontally equidistantly distributed at both ends of the fixed ring 501. The top of the fixed ring 501 is fixedly connected with a hydraulic rod 504. The detection component 5 also includes a fixed A fixed plate 505 is connected to the output end of the hydraulic rod 504, and a detector 506 is fixedly connected to the top outer wall of the fixed plate 505. Downhole lights 507 are provided on both sides of the detector 506. The bottom ends of the two downhole lights 507 are fixedly connected to the outer wall of the fixed plate 505. The inner wall of the fixed ring 501 fits the user's arm, thereby freeing the user's hands and improving the user's work efficiency. When the fixed ring 501 is bound to the user's arm, the downhole light 507 is turned on, and the downhole light 507 is used to illuminate the user, providing the user with a brighter observation range and improving the user's observation efficiency.

[0027] Working principle and usage process: When the user needs to use the device, turn the handle 605, and the second bevel gear 604 is driven to rotate by the handle 605, and the first bevel gear 603 is driven to mesh and rotate by the second bevel gear 604, and the rotating shaft 602 is driven to rotate by the first bevel gear 603, and the rotating shaft 602 is driven to rotate, and the large gear 601 is driven to mesh and rotate by the large gear 601, and the small gear 401 is driven to rotate by the screw rod 402, and the threaded ring 403 is driven to transmit by the screw rod 402, and the placement plate 407 is driven to move upward by the threaded ring 403, and the fixing ring 501 is driven to move upward by the placement plate 407, and the hydraulic rod 504 is driven upward by the fixing ring 501, and the hydraulic rod 504 is driven upward by the hydraulic rod 501. The rod 504 drives the fixed plate 505 to move upward, and drives the detector 506 to move upward through the fixed plate 505, and detects the gas concentration at different heights. When the user carries the detector 506 alone for detection, the fixing screw 502 is removed, and then the inner wall of the fixing ring 501 is fitted with the top of the arm of the user's dominant hand, and the fixing ring 501 is bound to the arm through the fixing belt 503, so that the fixing ring 501 is fixed on the user's arm. At this time, the user turns on the downhole light 507, and illuminates the coal mine underground through the downhole light 507, and then starts the hydraulic rod 504, and drives the fixed plate 505 to move upward through the output end of the hydraulic rod 504, and drives the detector 506 to move upward through the fixed plate 505, thereby realizing the detection of gas concentrations at different heights.

[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Gas monitoring device for coal mine goaf management, including: A base (1), characterized in that the lower ends of both sides of the base (1) are fixedly connected to a plurality of running wheels (2), the plurality of running wheels (2) are horizontally equidistantly distributed at the lower end of the base (1), a detection component (5) is arranged above the front side of the base (1) for detecting the gas concentration in the coal mine, a first lifting component (4) is arranged at the rear end of the detection component (5) for lifting the detection component (5), an operating component (6) is arranged at the rear end of the detection component (5) for operating the first lifting component (4), an operating box (3) is arranged outside the operating component (6), the operating box (3) is fixedly connected to the outer wall of the top end of the rear side of the base (1), and a push handle (7) is fixedly connected to the outer wall of the rear end of the operation box (3); The first lifting assembly (4) comprises a pinion (401) meshingly connected to the outer wall of the front end of the large gear (601); a screw rod (402) is fixedly connected to the inner wall at the center of the pinion (401); the bottom end of the screw rod (402) is rotatably connected to the inner wall of the bottom end of the base (1); and the top end of the screw rod (402) passes through the outer wall of the top end of the base (1) and is rotatably connected thereto; The first lifting assembly (4) further comprises a threaded ring (403) threadedly connected to the outer wall of the screw rod (402); the top outer wall of the screw rod (402) is rotatably connected to a three-shaft sleeve (406); The first lifting assembly (4) further comprises a sliding rod (404) rotatably connected to the inner wall of the bottom ends of the left and right sides of the three-axis sleeve (406), the bottom ends of the two sliding rods (404) are fixedly connected to the outer wall of the top end of the base (1), the outer walls of the two sliding rods (404) are slidably connected to the sliding sleeves (405), the front end outer walls of the two sliding sleeves (405) are fixedly connected to the placement plate (407), and the outer wall of the placement plate (407) is fixedly connected to the front end of the threaded ring (403); The detection component (5) comprises a fixing ring (501) arranged on the outer wall of the top end of the placement plate (407), and the top ends of both sides of the fixing ring (501) are threadedly connected to a plurality of fixing screws (502), and the plurality of fixing screws (502) are horizontally and equidistantly distributed on the top ends of both sides of the fixing ring (501), and the bottom ends of the plurality of fixing screws (502) are threadedly connected to the top end of the placement plate (407).

2. The gas monitoring device for coal mine goaf management according to claim 1 is characterized in that: The operating assembly (6) comprises a rotating handle (605) penetrating through and rotatably connected to the inner wall of the left end of the operating box (3); the outer wall of the rotating handle (605) is rotatably connected to a limit ring (606); and the limit ring (606) is fixedly connected to the inner wall of the top end of the operating box (3).

3. The gas monitoring device for coal mine goaf management according to claim 2 is characterized in that: The operating assembly (6) further comprises a second bevel gear (604) fixedly connected to the outer wall of the right end of the rotating handle (605), and the outer wall of the second bevel gear (604) is meshingly connected to the first bevel gear (603).

4. The gas monitoring device for coal mine goaf management according to claim 3 is characterized in that: The operating assembly (6) further comprises a rotating shaft (602) fixedly connected to the inner wall at the center of the first bevel gear (603); the top end of the rotating shaft (602) is rotatably connected to the inner wall at the top end of the operating box (3); the bottom end of the rotating shaft (602) sequentially passes through the bottom end of the operating box (3) and the inner wall at the top end of the base (1) and is fixedly connected to the large gear (601); the bottom end of the rotating shaft (602) is rotatably connected to the inner wall at the bottom end of the base (1).

5. The gas monitoring device for coal mine goaf management according to claim 1 is characterized in that: The detection assembly (5) further comprises a plurality of fixing belts (503) fixedly connected to the outer walls at both ends of the fixing ring (501), the plurality of fixing belts (503) being horizontally equidistantly distributed at both ends of the fixing ring (501), and a hydraulic rod (504) being fixedly connected to the top end of the fixing ring (501).

6. The gas monitoring device for coal mine goaf management according to claim 5 is characterized in that: The detection assembly (5) further comprises a fixing plate (505) fixedly connected to the output end of the hydraulic rod (504); a detection instrument (506) is fixedly connected to the outer wall of the top end of the fixing plate (505); downhole lights (507) are provided on both sides of the detection instrument (506); the bottom ends of the two downhole lights (507) are fixedly connected to the outer wall of the fixing plate (505).

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