Gas concentration monitoring and early warning device for gas extraction

Abstract

The utility model discloses a gas concentration monitoring and early warning device for gas extraction, which belongs to the technical field of gas extraction and comprises a carrying trolley and a gas concentration detector, a clamping device used for clamping the gas concentration detector is fixed above the carrying trolley, wheels which are symmetrically distributed are fixed on the clamping device, and the wheels are fixed on the carrying trolley. The clamping device comprises an adjusting assembly, symmetrically-distributed clamping plates are fixed to the adjusting assembly, wheels are fixed to the clamping plates, the carrying trolley comprises a supporting base, supporting legs distributed in an array mode are fixed to the lower portion of the supporting base, and trundles are fixed to the lower portions of the supporting legs. According to the gas concentration monitoring and early warning device disclosed by the utility model, the clamping device and the wheels arranged on the clamping device are arranged, so that the carrying trolley can be controlled to automatically run in a mine, and the gas concentration monitoring and early warning device can detect the gas concentration in a moving process, so that the use number of gas concentration detectors can be reduced; and the optimal gas mining position can be accurately judged.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas extraction, and in particular relates to a gas concentration monitoring and early warning device for gas extraction. Background Art

[0002] The gas extraction system is mainly composed of boreholes, special pipelines, extraction equipment, etc. By drilling into the coal seam and gas concentration area, the borehole is connected to a special pipeline, and the gas in the coal seam and goaf is extracted to the ground with extraction equipment for utilization or discharge into the total return air flow.

[0003] The equipment for monitoring gas concentration is usually to set up several gas concentration detectors at intervals in the mine, and judge the extraction position by the concentration value detected by the gas concentration detector. However, this method leads to the use of a large number of gas concentration detectors, and it is impossible to accurately judge the best extraction position of gas. In order to solve the above problems, a gas concentration monitoring and early warning device for gas extraction is provided.

[0004] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content

[0005] In order to solve the above problems, the purpose of the utility model is to provide a gas concentration monitoring and early warning device for gas extraction. By providing a clamping device and wheels installed on the clamping device, the carrying trolley can be controlled to move automatically, so that the gas concentration monitoring and early warning device can detect the gas concentration during the movement, which can not only save the number of gas concentration detectors used, but also accurately determine the best gas extraction location.

[0006] To achieve the above-mentioned purpose, the utility model proposes a gas concentration monitoring and early warning device for gas extraction, the gas concentration monitoring and early warning device comprising a carrying trolley and a gas concentration detector, a clamping device for clamping the gas concentration detector is fixed on the upper part of the carrying trolley, and symmetrically distributed wheels are fixed on the clamping device.

[0007] The clamping device comprises an adjusting component, on which symmetrically distributed clamping plates are fixed, and the wheels are fixed on the clamping plates.

[0008] Furthermore, the adjustment component includes a first drive box fixed above the support seat, a first motor is fixed in the output shaft of the first drive box, the output shaft of the first motor passes through the top plate of the first drive box and is fixed with a connecting block, a first electric telescopic rod is fixed on both sides of the connecting block, a second drive box is fixed on the output shaft of the first electric telescopic rod, a second motor is fixed in the second drive box, a second electric telescopic rod is vertically fixed to the output shaft of the second motor, a motor bracket is fixed on the second electric telescopic rod, a third motor is fixed on one side of the motor bracket, the output shaft of the third motor passes through the motor bracket, a splint is fixed on the output shaft of the third motor, and the two splints correspond to each other.

[0009] Furthermore, a containing box for containing the gas concentration detector is fixed on the transport trolley.

[0010] Furthermore, the transport trolley includes a support seat, an array of support feet are fixed below the support seat, and casters are fixed below the support feet.

[0011] Furthermore, the cross section of the wheel is larger than that of the clamping plate.

[0012] Furthermore, the two clamps correspond to each other, and the wheel is fixed on a side of the clamp close to the third motor.

[0013] Furthermore, the gas concentration detector is installed with a camera detector.

[0014] Furthermore, the gas concentration monitoring and early warning device also includes a remote control device, and the gas concentration detector and the adjustment component are electrically connected to the remote control device.

[0015] Furthermore, the remote control device includes a remote controller, a display screen, an alarm and a control system. The remote controller is used to remotely control the adjustment component, and the display screen displays the gas concentration value detected by the gas concentration detector and the image detected by the camera detector.

[0016] The gas concentration monitoring and early warning device for gas extraction proposed by the utility model can bring the following beneficial effects:

[0017] 1. The gas concentration monitoring and early warning device of the utility model can control the automatic driving of the carrying trolley in the mine by setting a clamping device and setting wheels installed on the clamping device, so that the gas concentration monitoring and early warning device can detect the gas concentration during the movement, which can not only save the number of gas concentration detectors used, but also accurately determine the best gas mining position;

[0018] 2. The gas concentration monitoring and early warning device of the utility model observes the gas concentration value detected by the gas concentration detector through a display screen. When the alarm sounds, the gas concentration detector is clamped by a clamping plate, and the detection position and detection angle of the gas concentration detector are adjusted by an adjustment component, thereby increasing the detection range of the gas concentration detector, and finally obtaining the position with the maximum gas concentration, and drilling a well to extract gas at the position with the maximum gas concentration. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0020] Figure 1 The utility model is a first-view structural schematic diagram of a gas concentration monitoring and early warning device for gas extraction.

[0021] Figure 2 This is a second perspective structural schematic diagram of a gas concentration monitoring and early warning device for gas extraction according to the utility model. DETAILED DESCRIPTION

[0022] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0023] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the present utility model, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description of reference terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more schemes or examples.

[0027] The embodiment of the utility model provides a gas concentration monitoring and early warning device for gas extraction, the gas concentration monitoring and early warning device comprises a transport vehicle 1 and a gas concentration detector 3, such as Figure 1 As shown, a camera detector 4 is installed on the gas concentration detector 3, a containing box 2 for containing the gas concentration detector 3 is fixed on the transport trolley 1, a clamping device 5 for clamping the gas concentration detector 3 is fixed on the top of the transport trolley 1, and symmetrically distributed wheels 6 are fixed on the clamping device 5.

[0028] The transport trolley 1 comprises a support base 11 , below which support legs 12 distributed in an array are fixed, and below which casters 13 are fixed.

[0029] The clamping device 5 includes an adjusting component, on which symmetrically distributed clamping plates 59 are fixed, and the wheel 6 is fixed on the clamping plates 59 , and the cross-section of the wheel 6 is larger than that of the clamping plates 59 .

[0030] The adjustment assembly includes a first drive box 51 fixed above the support base 11, such as Figure 2As shown, a first motor 52 is fixed in the output shaft of the first drive box 51, and the output shaft of the first motor 52 passes through the top plate of the first drive box 51 and is fixed with a connecting block 53, and first electric telescopic rods 54 are fixed on both sides of the connecting block 53, and a second drive box 55 is fixed on the output shaft of the first electric telescopic rod 54, and a second motor 56 is fixed in the second drive box 55, and a second electric telescopic rod 57 is vertically fixed to the output shaft of the second motor 56, and a motor bracket (not marked in the figure) is fixed to the second electric telescopic rod 57, and a third motor 58 is fixed on one side of the motor bracket, and the output shaft of the third motor 58 passes through the motor bracket, and a clamping plate 59 is fixed on the output shaft of the third motor 58, and the two clamping plates 59 correspond to each other, and the wheel 6 is fixed on the side of the clamping plate 59 close to the third motor 58.

[0031] The gas concentration monitoring and early warning device also includes a remote control device. The gas concentration detector 3 and the adjustment component are electrically connected to the remote control device. The remote control device includes a remote controller, a display screen, an alarm and a control system. The remote controller is used to remotely control the adjustment component. The display screen displays the gas concentration value detected by the gas concentration detector 3 and the image detected by the camera detector 4. When the gas concentration value detected by the gas concentration detector 3 is greater than the preset value, the alarm will sound.

[0032] When in use, the second motor 56 is started to control the wheel 6 to contact the ground, and the third motor 58 is started to control the wheel 6 to rotate, so as to drive the transport vehicle 1 to travel, and the driving direction can be adjusted by starting the first motor 52.

[0033] The gas concentration value detected by the gas concentration detector 3 is observed through the display screen. When the alarm sounds, the gas concentration detector 3 can be clamped by the first electric telescopic rod 54, the second motor 56 and the second electric telescopic rod 57 in cooperation with the control clamp 59. The detection position and detection angle of the gas concentration detector 3 can be adjusted through the cooperation of the first motor 52, the first electric telescopic rod 54, the second motor 56, the second electric telescopic rod 57 and the third motor 58, so as to increase the detection range of the gas concentration detector 3, and finally obtain the maximum gas concentration position, drill a well at the maximum gas concentration position to extract gas, so as to extract more gas at one time.

[0034] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0035] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A gas concentration monitoring and early warning device for gas extraction, the gas concentration monitoring and early warning device comprising a transport vehicle (1) and a gas concentration detector (3), characterized in that: A clamping device (5) for clamping the gas concentration detector (3) is fixed on the upper part of the transport trolley (1), and symmetrically distributed wheels (6) are fixed on the clamping device (5); The clamping device (5) comprises an adjustment component, on which symmetrically distributed clamping plates (59) are fixed, and the wheel (6) is fixed on the clamping plates (59).

2. A gas concentration monitoring and early warning device for gas extraction according to claim 1, characterized in that: The adjustment assembly comprises a first drive box (51) fixed above the support seat (11); a first motor (52) is fixed inside the output shaft of the first drive box (51); the output shaft of the first motor (52) passes through the top plate of the first drive box (51) and is fixed with a connecting block (53); a first electric telescopic rod (54) is fixed on both sides of the connecting block (53); a second drive box (55) is fixed on the output shaft of the first electric telescopic rod (54); a second motor (56) is fixed inside the second drive box (55); a second electric telescopic rod (57) is vertically fixed to the output shaft of the second motor (56); a motor bracket is fixed on the second electric telescopic rod (57); a third motor (58) is fixed on one side of the motor bracket; the output shaft of the third motor (58) passes through the motor bracket; a clamping plate (59) is fixed on the output shaft of the third motor (58); and the two clamping plates (59) correspond to each other.

3. A gas concentration monitoring and early warning device for gas extraction according to claim 2, characterized in that: A containing box (2) for containing a gas concentration detector (3) is fixed on the transport trolley (1).

4. A gas concentration monitoring and early warning device for gas extraction according to claim 3, characterized in that: The transport trolley (1) comprises a support seat (11), support feet (12) distributed in an array are fixed below the support seat (11), and casters (13) are fixed below the support feet (12).

5. A gas concentration monitoring and early warning device for gas extraction according to claim 4, characterized in that: The wheel (6) has a cross-section larger than the cleat (59).

6. A gas concentration monitoring and early warning device for gas extraction according to claim 5, characterized in that: The two clamping plates (59) correspond to each other, and the wheel (6) is fixed on a side of the clamping plate (59) close to the third motor (58).

7. A gas concentration monitoring and early warning device for gas extraction according to claim 6, characterized in that: The gas concentration detector (3) is equipped with a camera detector (4).

8. A gas concentration monitoring and early warning device for gas extraction according to claim 7, characterized in that: The gas concentration monitoring and early warning device also includes a remote control device, and the gas concentration detector (3) and the adjustment component are electrically connected to the remote control device.

9. A gas concentration monitoring and early warning device for gas extraction according to claim 8, characterized in that: The remote control device comprises a remote controller, a display screen, an alarm and a control system. The remote controller is used to remotely control the adjustment component. The display screen displays the gas concentration value detected by the gas concentration detector (3) and the image detected by the camera detector (4).

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