A kind of gas sensor anti-collision fixing device for tunnel face
By designing a gas sensor fixing device with a protective cover, a snap-fit rod, and a limiting mechanism, the problem of easy damage to gas sensors was solved, and anti-collision protection and stable detection were achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YANKUANG ENERGY GRP CO LTD
- Filing Date
- 2025-08-06
- Publication Date
- 2026-07-21
Smart Images

Figure CN224532788U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gas monitoring technology, and in particular to a collision-proof fixing device for a gas sensor at a tunnel face. Background Technology
[0002] A tunneling face is the first roadway to be mined in preparation for a longwall mining face. The main functions of this roadway include coal exploration, coal excavation, water exploration, and gas exploration. Specifically, it is a single-ended roadway that is mainly for tunneling while taking into account other geological conditions. Currently, in order to ensure safe production, it is necessary to install gas sensors to detect gas. The main reason for detecting gas is to prevent gas explosions and asphyxiation accidents.
[0003] Existing gas sensors are installed inside tunnels. When working inside the tunnel, a large number of personnel and equipment move back and forth, which can easily cause collisions with the surface of the gas sensor. Since the surface of the current gas sensor is glass, which is convenient for observing the internal data, the glass surface alone can be damaged by collisions. Therefore, we propose a collision-proof fixing device for gas sensors at the tunnel face to solve the above problems. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a collision-resistant fixing device for gas sensors at the tunnel face.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: A collision-proof fixing device for a gas sensor at a tunnel face includes a gas sensor body, an installation mechanism that engages with the surface of the gas sensor body, a limiting mechanism that is fixedly connected to the upper surface of the installation mechanism, a protective mechanism that is hinged inside the limiting mechanism, the protective mechanism including a hinge column, and a protective cover that is fixedly connected to the other end of the hinge column, and an observation window installed inside the protective cover.
[0006] Preferably, the surface dimensions of the protective cover are adapted to the dimensions of the gas sensor body, and a sealing gasket is glued to the end of the protective cover.
[0007] Preferably, the mounting mechanism includes a snap-fit rod, which is snapped onto the surface of the gas sensor body, and both ends of the snap-fit rod are threaded with compression bolts.
[0008] Preferably, the cross-section of the snap-fit rod is arc-shaped, a first adhesive pad is glued to the bottom of the snap-fit rod, and the surface of the first adhesive pad is provided with anti-slip texture.
[0009] Preferably, the limiting mechanism includes a hinge seat, the upper surface of the locking rod is fixedly connected to the hinge seat, and a push stud is inserted into the internal thread of the hinge seat. The end of the push stud is connected to a pressing disc through a bearing.
[0010] Preferably, a second adhesive pad is bonded to the surface of the extrusion disc, and the surface of the second adhesive pad is provided with anti-slip texture.
[0011] Preferably, two guide posts are symmetrically fixed on the back of the extrusion disc, and the two guide posts are cylindrical. The hinge seat has a circular hole inside that matches the guide posts.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This device uses a protective cover that engages with the surface of the gas sensor body, which can easily cover and protect the surface of the gas sensor body. Moving the protective cover allows the hinge pin to rotate along the hinge seat, facilitating the opening and closing of the protective cover. Furthermore, by rotating and pushing the stud, the extrusion plate and the second rubber pad can be easily pressed against the side of the hinge pin, effectively limiting the function of the hinge pin. Thus, the protective cover can be limited when opening or closing, which helps to improve the anti-collision effect of the gas sensor body.
[0013] 2. The device allows for observation of the gas sensor body through the observation window installed inside the protective cover. At the same time, the clamping rod engages with the surface of the gas sensor body, allowing the compression bolt to pass through the clamping rod and abut against the gas sensor body, thus limiting the installation of the clamping rod. The first rubber pad glued to the inner wall of the clamping rod increases the installation stability of the clamping rod. Attached Figure Description
[0014] Figure 1 This is a three-dimensional closed-state schematic diagram of a gas sensor anti-collision fixing device for a tunnel face proposed in this utility model; Figure 2 This is a three-dimensional open state schematic diagram of an anti-collision fixing device for a gas sensor at a tunnel face proposed in this utility model; Figure 3 for Figure 1 A three-dimensional upward view of the installation mechanism and observation window structure; Figure 4 for Figure 1 A three-dimensional schematic diagram of the snap-fit rod and hinged post structure in the middle; Figure 5 for Figure 4 A magnified schematic diagram of the structure at point A in the diagram.
[0015] In the image: 1. Main body of the gas sensor; 2. Mounting mechanism; 21. Crimping bolt; 22. Clamping rod; 23. First rubber pad; 3. Limiting mechanism; 31. Hinge seat; 32. Push stud; 33. Extrusion plate; 34. Second rubber pad; 35. Guide post; 4. Protective mechanism; 41. Hinge column; 42. Protective cover; 43. Sealing gasket; 5. Observation window. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0017] Reference Figure 1-5 A collision-proof fixing device for a gas sensor at a tunnel face includes a gas sensor body 1. An installation mechanism 2 is engaged on the surface of the gas sensor body 1, and a limiting mechanism 3 is fixedly connected to the upper surface of the installation mechanism 2. A protective mechanism 4 is hinged inside the limiting mechanism 3. The protective mechanism 4 includes a hinge column 41, and a protective cover 42 is fixedly connected to the other end of the hinge column 41. The opening and closing of the protective cover 42 can be easily controlled through the hinge column 41. An observation window 5 is installed inside the protective cover 42, which allows for easy observation of the function of the gas sensor body 1.
[0018] Furthermore, refer to Figure 2 and Figure 3 It can be seen that the surface size of the protective cover 42 is adapted to the size of the gas sensor body 1. The protective cover 42 can conveniently protect the surface of the gas sensor body 1. The end of the protective cover 42 is glued with a sealing gasket 43. The sealing gasket 43 glued to the end of the protective cover 42 can increase the sealing between it and the gas sensor body 1.
[0019] Furthermore, refer to Figure 3 and Figure 4 It can be seen that the installation mechanism 2 includes a snap-fit rod 22. The snap-fit rod 22 is snapped onto the surface of the gas sensor body 1, and both ends of the snap-fit rod 22 are threaded with a compression bolt 21. The compression bolt 21 passes through the snap-fit rod 22 and abuts against the gas sensor body 1, which facilitates the installation of the snap-fit rod 22.
[0020] Furthermore, refer to Figure 3 and Figure 4It can be seen that the cross-section of the snap-fit rod 22 is set to be arc-shaped. By setting the cross-section of the snap-fit rod 22 to be arc-shaped, it can be snapped onto the surface of the gas sensor body 1. A first rubber pad 23 is glued to the bottom of the snap-fit rod 22, and the surface of the first rubber pad 23 is provided with anti-slip texture. The installation stability of the snap-fit rod 22 can be increased by the first rubber pad 23 and the anti-slip texture on its surface.
[0021] Furthermore, refer to Figure 4 and Figure 5 It can be seen that the limiting mechanism 3 includes a hinge seat 31. The hinge seat 31 is fixedly connected to the upper surface of the locking rod 22, and a push stud 32 is inserted into the internal thread of the hinge seat 31. The end of the push stud 32 is connected to the extrusion plate 33 through a bearing. By threading the push stud 32 into the hinge seat 31, the extrusion plate 33 can be easily pushed when the push stud 32 is rotated. And by connecting the push stud 32 and the extrusion plate 33 to the bearing, the extrusion plate 33 can be pushed when the push stud 32 is rotated.
[0022] Furthermore, refer to Figure 4 and Figure 5 It can be seen that the surface of the extrusion plate 33 is bonded with a second rubber pad 34, and the surface of the second rubber pad 34 is provided with anti-slip texture. The second rubber pad 34 can increase the friction between the second rubber pad and the hinge post 41, which facilitates the function of limiting the hinge post 41.
[0023] Furthermore, refer to Figure 4 and Figure 5 It can be seen that two guide posts 35 are symmetrically fixed on the back of the extrusion plate 33, and the two guide posts 35 are set in a cylindrical shape. By setting two guide posts 35, the movement stability of the extrusion plate 33 can be increased. The hinge seat 31 has a round hole inside that matches the guide post 35. Through the round hole inside the hinge seat 31, the guide post 35 can move along the round hole, which reduces direct wear with the guide post 35.
[0024] Working principle: When this utility model is in use, the gas sensor body 1, according to the attached... Figure 1 Appendix Figure 2 Appendix Figure 3 and attached Figure 4By engaging the first rubber pad 23 with the snap-fit rod 22, and allowing the compression bolt 21 to pass through the snap-fit rod 22 and abut against the gas sensor body 1, the snap-fit rod 22 can be installed. At the same time, by rotating the push stud 32, the compression plate 33 can be moved away from the surface of the hinge post 41. Then, by moving the protective cover 42, the hinge post 41 can be rotated along the inside of the hinge seat 31, which facilitates the opening and closing of the protective cover 42. When the protective cover 42 engages the sealing gasket 43 with the surface of the gas sensor body 1, rotating the push stud 32 can be used to push the compression plate 33 and the second rubber pad 34 to press against the side of the hinge post 41, which facilitates the function of limiting the protective cover 42. The above is the complete working principle of this utility model.
[0025] In this utility model, the installation, connection or setting methods of all the components mentioned above are common mechanical methods, and the specific structure, model and coefficient index of all the components are their own technologies. As long as they can achieve their beneficial effects, they can be implemented, so they will not be described in detail.
[0026] The above embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present utility model shall be considered equivalent substitutions and shall be included within the protection scope of the present utility model.
[0027] In this utility model, unless otherwise stated, directional terms such as "up, down, left, right, front, back, inside, outside, and vertical and horizontal" in the terminology only represent the orientation of the term in its conventional use or are common names understood by those skilled in the art, and should not be regarded as limitations on the term. At the same time, numerals such as "first," "second," and "third" do not represent specific quantities or orders, but are only used to distinguish names. Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a series of elements includes not only those elements, but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
Claims
1. A collision-resistant fixing device for a gas sensor at a tunnel face, comprising a gas sensor body (1), characterized in that, The surface of the gas sensor body (1) is fitted with an installation mechanism (2), and a limiting mechanism (3) is fixedly connected to the upper surface of the installation mechanism (2). A protective mechanism (4) is hinged inside the limiting mechanism (3). The protective mechanism (4) includes a hinge column (41), and a protective cover (42) is fixedly connected to the other end of the hinge column (41). An observation window (5) is installed inside the protective cover (42).
2. The anti-collision fixing device for a gas sensor at a tunnel face according to claim 1, characterized in that, The surface dimensions of the protective cover (42) are adapted to the dimensions of the gas sensor body (1), and the end of the protective cover (42) is glued with a sealing gasket (43).
3. The anti-collision fixing device for a gas sensor at a tunnel face according to claim 1, characterized in that, The mounting mechanism (2) includes a snap-fit rod (22), which is snapped onto the surface of the gas sensor body (1), and both ends of the snap-fit rod (22) are threaded with compression bolts (21).
4. The anti-collision fixing device for a gas sensor at a tunnel face according to claim 3, characterized in that, The cross-section of the snap-fit rod (22) is set to arc shape, and a first adhesive pad (23) is glued to the bottom of the snap-fit rod (22), and the surface of the first adhesive pad (23) is provided with anti-slip texture.
5. The anti-collision fixing device for a gas sensor at a tunnel face according to claim 3, characterized in that, The limiting mechanism (3) includes a hinge seat (31), the upper surface of the snap rod (22) is fixedly connected to the hinge seat (31), and the internal thread of the hinge seat (31) is inserted with a push stud (32), the end of the push stud (32) is connected to a pressing plate (33) through a bearing.
6. The anti-collision fixing device for a gas sensor at a tunnel face according to claim 5, characterized in that, The surface of the extrusion disc (33) is bonded with a second rubber pad (34), and the surface of the second rubber pad (34) is provided with anti-slip texture.
7. The anti-collision fixing device for a gas sensor at a tunnel face according to claim 5, characterized in that, The back of the extrusion plate (33) is symmetrically fixed with two guide posts (35), and the two guide posts (35) are cylindrical. The hinge seat (31) has a round hole inside that matches the guide posts (35).