Gas concentration detector for coal mine

Abstract

The utility model discloses a coal mine gas concentration detector which comprises a detector body, the detector body comprises a concentration detection head, a telescopic adjusting rod and a handheld cylinder, the concentration detection head is fixedly installed at the front end of the telescopic adjusting rod, and the handheld cylinder is fixedly installed at the rear end of the telescopic adjusting rod. The concentration detection head, the telescopic adjusting rod and the handheld cylinder are of detachable structures, and the telescopic adjusting rod can drive the concentration detection head to stretch out and draw back and adjust the angle. According to the utility model, all parts of the detector main body are conveniently assembled and fixed, and the concentration detection head, the telescopic adjusting rod and the handheld cylinder are quickly disassembled and protected, so that the detector has the advantages of convenience in assembly forming, disassembly and maintenance, and meanwhile, the telescopic adjusting rod is adjusted and controlled during telescopic and universal rotation; therefore, the concentration detection head can be conveniently and quickly extended into the coal mine pit hole to carry out concentration detection operation, and the advantage of convenient detection operation is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine gas detection technical field, concretely is a kind of for coal mine gas concentration detector. BACKGROUND

[0002] Coal mine gas is also called coal seam gas, coal seam gas, methane, carbon dioxide and nitrogen etc. that escape from coal and surrounding rock, gas is harmful factor in coal production, it not only pollutes air, and when air gas content is 5%~16%, meet fire and cause explosion, cause accident, gas explosion is preventable, such as frequently measuring gas content in airway air, measure gas emission, and take effective ventilation, strictly prohibit fire, pre-drainage, mining protective layer, artificial outburst etc. Measures can guarantee the safety of coal production.

[0003] The Chinese patent document with publication number CN117214406A discloses a handheld detector for coal mine underground gas concentration and a use method, which belongs to the field of gas detection equipment. The handheld detector for coal mine underground gas concentration includes a protective shell and further includes: an air inlet mechanism arranged at the middle part of the back surface of the protective shell, which is used to guide external air into the inner cavity of the protective shell; a filtering mechanism arranged at the middle part of the top surface of the protective shell, which is connected with the output end of the air inlet mechanism through conduction, and is used to filter coal dust and dirt from the flowing air; and a detection mechanism arranged at the upper middle part of the inner cavity of the protective shell, which is connected with the output end of the filtering mechanism through conduction. The present application can inhale and detect the gas accumulated in the upper part of the airway, thereby improving the safety of coal mine underground airway detection and reducing the safety risk of coal mine underground.

[0004] The above-mentioned prior art cannot perform multi-directional detection operation inside small coal mine holes, and the concentration sensor cannot be extended into the specified position for detection, causing the problems of inconvenient concentration detection and poor precision. Therefore, it is necessary to develop a new coal mine gas concentration detector. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a coal mine gas concentration detector to solve the problem that the prior art cannot perform multi-directional detection operation inside small coal mine holes, and the concentration sensor cannot be extended into the specified position for detection, causing the problems of inconvenient concentration detection and poor precision.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of for coal mine gas concentration detector, including detector main body, the detector main body includes concentration detection head, telescopic adjusting lever and hand-held cylinder, the concentration detection head is fixedly installed at the front end of telescopic adjusting lever, the hand-held cylinder is fixedly installed at the rear end of telescopic adjusting lever, it is detachable structure between the concentration detection head, telescopic adjusting lever and hand-held cylinder, telescopic adjusting lever can drive concentration detection head telescopic and angle adjustment.

[0007] Preferably, the front end of the concentration detection head is provided with a concentration detection sensor, and the concentration detection sensor is fixedly connected with the concentration detection head by screwing.

[0008] Preferably, a three-way connector is installed on the concentration detection head, one end of the three-way connector is provided with a micro probe, and the other end of the three-way connector is provided with a switch knob.

[0009] Preferably, the lower end of the three-way connector is connected with the telescopic adjusting lever through a first dismounting head.

[0010] Preferably, the telescopic adjusting lever is provided with a first telescopic joint and a second telescopic joint, respectively, and the lower end of the telescopic adjusting lever is provided with a universal joint pipe.

[0011] Preferably, one end of the universal joint pipe is fixedly connected with the hand-held cylinder through a second dismounting head, the outer surface of the hand-held cylinder is provided with a concentration display screen, and the concentration display screen is electrically connected with the concentration detection sensor.

[0012] Preferably, a battery cylinder is detachably installed at the lower end of the hand-held cylinder, a battery assembly is installed in the battery cylinder, and a bottom cover plate is fixedly connected with the bottom of the battery cylinder by screwing.

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

[0014] The utility model has the advantages that the detector main body is conveniently assembled and fixed, the concentration detection head, the telescopic adjusting lever and the hand-held cylinder are quickly disassembled and protected, the assembly and disassembly are convenient, the telescopic adjusting lever is telescopic and universally rotatable, the concentration detection head can be quickly inserted into the coal mine pit for concentration detection, and the detection is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a side surface structure schematic view of the utility model;

[0017] Figure 3 Front view of the utility model;

[0018] Figure 4 Front view of the utility model.

[0019] In the figure: 1, concentration detection sensor; 2, concentration detection head; 3, switch knob; 4, three-way connecting piece; 5, micro probe; 6, first dismounting head; 7, telescopic adjusting rod; 8, first telescopic section; 9, second telescopic section; 10, universal joint pipe; 11, hand-held cylinder; 12, battery machine cylinder; 13, second dismounting head; 14, concentration display screen; 15, bottom cover plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] Please refer to Figures 1-4 An embodiment provided by the utility model: a coal mine gas concentration detector, which comprises a detector main body, the detector main body comprises a concentration detection head 2, a telescopic adjusting rod 7 and a hand-held cylinder 11, the concentration detection head 2 is installed and fixed at the front end of the telescopic adjusting rod 7, the hand-held cylinder 11 is installed and fixed at the rear end of the telescopic adjusting rod 7, the concentration detection head 2, the telescopic adjusting rod 7 and the hand-held cylinder 11 are all detachable structures, and the telescopic adjusting rod 7 can drive the concentration detection head 2 to stretch and adjust the angle.

[0022] Further, the front end of the concentration detection head 2 is provided with a concentration detection sensor 1, the concentration detection sensor 1 is fixed between the concentration detection head 2 through screw thread joint, has the advantages of close and stable connection, convenient and fast assembly and disassembly.

[0023] Further, the concentration detection head 2 is provided with a three-way connecting piece 4, one end of the three-way connecting piece 4 is provided with a micro probe 5, the other end of the three-way connecting piece 4 is provided with a switch knob 3, the three-way connecting piece 4 is provided with the advantages of convenient fixing, convenient assembly and fixing of each component at the concentration detection head 2, the micro probe 5 is used for monitoring the internal environment of a small mine, and the switch knob 3 is used for switch control and adjustment of the concentration detection head 2.

[0024] Further, the lower end of the three-way connecting piece 4 is connected with the telescopic adjusting rod 7 through the first dismounting head 6, which has the advantages of convenient connection and fixing and convenient disassembly.

[0025] Further, the telescopic adjusting rod 7 is respectively provided with a first telescopic joint 8 and a second telescopic joint 9, and the lower end of the telescopic adjusting rod 7 is provided with a universal connector 10, which is adjusted and controlled in telescopic and universal rotation, so that the concentration detection head 2 can be quickly inserted into the coal mine pit for concentration detection, and the detection operation is convenient.

[0026] Further, one end of the universal connector 10 is fixedly connected with the handheld cylinder 11 through the second detachable head 13, and the outer surface of the handheld cylinder 11 is provided with a concentration display screen 14 which is electrically connected with the concentration detection sensor 1. The concentration detection sensor 1 is used for detecting the concentration inside the mine and feeding back the concentration value on the concentration display screen 14.

[0027] Further, the lower end of the handheld cylinder 11 is detachably mounted with a battery barrel 12, the inside of which is mounted with a battery assembly, and the bottom of the battery barrel 12 is fixedly provided with a bottom cover plate 15 through screwing, which is convenient for quickly installing and fixing the battery assembly, and further provides power supply for the detector main body.

[0028] Working principle: when in use, the concentration detection head 2 is installed and fixed at the front end of the telescopic adjusting rod 7, and the handheld cylinder 11 is installed and fixed at the rear end of the telescopic adjusting rod 7. The concentration detection head 2, the telescopic adjusting rod 7 and the handheld cylinder 11 are all detachable structures. The telescopic adjusting rod 7 can drive the concentration detection head 2 to stretch and adjust the angle. The operator can hold the handheld cylinder 11. The telescopic adjusting rod 7 is respectively provided with a first telescopic joint 8 and a second telescopic joint 9, and the lower end of the telescopic adjusting rod 7 is provided with a universal connector 10, which is adjusted and controlled in telescopic and universal rotation, so that the concentration detection head 2 can be quickly inserted into the coal mine pit for concentration detection, and the detection operation is convenient. The concentration detection head 2 is provided with a three-way connector 4, one end of which is provided with a micro probe 5. The three-way connector 4 is convenient to assemble and fix the components at the concentration detection head 2. The micro probe 5 is used for monitoring the internal environment of the micro mine. The outer surface of the handheld cylinder 11 is provided with a concentration display screen 14 which is electrically connected with the concentration detection sensor 1. The concentration detection sensor 1 is used for detecting the concentration inside the mine and feeding back the concentration value on the concentration display screen 14, so as to facilitate the observation and analysis of the detection personnel.

[0029] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] The standard parts used in the present application can be purchased from the market, the specific connection mode of each part is connected by using the conventional means such as bolt, rivet and welding in the prior art, and the mechanical, part and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coal mine gas concentration detector comprising a detector main body, characterized in that, The detection instrument body includes a concentration detection head (2), a telescopic adjusting rod (7) and a hand-held cylinder (11), the concentration detection head (2) is fixedly installed at the front end of the telescopic adjusting rod (7), the hand-held cylinder (11) is fixedly installed at the rear end of the telescopic adjusting rod (7), and the concentration detection head (2), the telescopic adjusting rod (7) and the hand-held cylinder (11) are in detachable structure, and the telescopic adjusting rod (7) can drive the concentration detection head (2) to be telescopic and angle-adjusted.

2. The coal mine gas concentration detector according to claim 1, characterized in that: The front end of the concentration detection head (2) is provided with a concentration detection sensor (1), and the concentration detection sensor (1) and the concentration detection head (2) are fixedly connected through thread rotation.

3. The coal mine gas concentration detector according to claim 1, characterized in that: A three-way connector (4) is installed on the concentration detection head (2), one end of the three-way connector (4) is provided with a micro probe (5), and the other end of the three-way connector (4) is provided with a switch knob (3).

4. The coal mine gas concentration detector according to claim 3, characterized in that: The lower end of the three-way connector (4) is connected with the telescopic adjusting rod (7) through a first dismounting head (6).

5. The coal mine gas concentration detector according to claim 4, characterized in that: First and second telescopic joints (8) and (9) are respectively arranged on the telescopic adjusting rod (7), and a universal joint pipe (10) is arranged at the lower end of the telescopic adjusting rod (7).

6. The coal mine gas concentration detector according to claim 5, characterized in that: One end of the universal joint pipe (10) is fixedly connected with the hand-held cylinder (11) through a second dismounting head (13), the outer surface of the hand-held cylinder (11) is provided with a concentration display screen (14), and the concentration display screen (14) is electrically connected with the concentration detection sensor (1).

7. The coal mine gas concentration detector according to claim 6, characterized in that: A battery cylinder (12) is detachably installed at the lower end of the hand-held cylinder (11), a battery assembly is installed in the battery cylinder (12), and a bottom cover plate (15) is fixedly connected to the bottom of the battery cylinder (12) through thread rotation.

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