Mining explosion-proof pressure transmitter
By designing explosion-proof structures on the mining pressure transmitter and using components such as magnets, springs and buffer slides, the problem of damage to the mining pressure transmitter due to falling rocks is solved, extending the equipment life and reducing maintenance costs.
Patent Information
- Application Number
- CN202421162731.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-27
AI Technical Summary
Mining pressure transmitters are easily damaged by falling rocks in complex environments. The existing explosion-proof structure cannot effectively avoid frequent damage, resulting in frequent maintenance and maintenance.
A mining explosion-proof pressure transmitter is designed, adopting an explosion-proof structure including magnets, springs, telescopic sleeves, semi-ring tracks and buffer slides. Through the fixed connection between the ring tracks and the shaft, combined with rubber buffering and magnet positioning, it forms an annular shape. The track protects the pressure transmitter and increases the impact absorption capacity.
It effectively reduces the probability of damage to the pressure transmitter by falling rocks in the mining environment, extends the working time of the equipment, reduces the manpower and financial costs for maintenance and repair, and improves the impact tolerance of the equipment.
Smart Images
Figure CN222364698U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a pressure transmitter, in particular to an explosion-proof pressure transmitter for mining. Background Art
[0002] Explosion-proof pressure transmitters are needed in the mining field. The main reason is that the mining environment is relatively complex, and there are rockfalls that cause violent damage to the pressure transmitter, which makes repairs and maintenance more frequent. The current explosion-proof structure protects the pressure transmitter from deformation by thickening the material, but it still cannot avoid frequent damage to the pressure transmitter. Utility Model Content
[0003] The purpose of the utility model is to provide a mining explosion-proof pressure transmitter to solve the problems raised in the above background technology.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A mining explosion-proof pressure transmitter comprises a pressure transmitter body, wherein the input end of the pressure transmitter body is connected to a threaded through hole opened on the surface of a pipeline; an explosion-proof structure is arranged on the periphery of the pressure transmitter body, wherein the explosion-proof structure comprises a magnet, a spring, a telescopic sleeve A, a telescopic sleeve B, a semi-circular track A, a shaft and a semi-circular track B, wherein the semi-circular track A and the semi-circular track B are spliced to form a circular track, wherein one end of the semi-circular track A and one end of the circular track B are fixedly connected to one end of the shaft by countersunk screws, and the other end of the shaft is rotatably arranged in a circular groove welded on the pressure transmitter body; the other end of the semi-circular track A and the other end of the circular track B are fixedly connected to one end of the telescopic sleeve A by countersunk screws, the telescopic sleeve B is slidably connected inside the telescopic sleeve A, and the end of the telescopic sleeve B away from the telescopic sleeve A contacts the pipeline; a spring in a compressed state is arranged between the telescopic sleeve B and the telescopic sleeve A.
[0006] As a further solution of the utility model: rubber can be arranged between the shaft and the circular groove to play a certain buffering role.
[0007] As a further solution of the utility model: the restoring force of the spring enables the annular track to be propped up on the periphery of the pressure transmitter body.
[0008] As a further solution of the utility model: a magnet is embedded inside the end of the telescopic sleeve B away from the telescopic sleeve A.
[0009] As a further solution of the utility model: the semi-circular track A and the semi-circular track B are both formed by bending metal plates, and the outer surfaces of the circular track A and the semi-circular track B are integrally formed with track grooves, and a number of buffer sliders are slidably connected in the track grooves. The buffer sliders include sliding plates and buffer fins vertically connected to the surfaces of the sliding plates. The sliding plates are bent from metal material into parts with the same curvature as the circular track.
[0010] Compared with the prior art, the beneficial effect of the utility model is that the utility model can reduce the probability of damage to the pressure transmitter by accidental falling rocks in the mining environment by setting an explosion-proof structure, thereby protecting the pressure transmitter, extending its working time, and reducing the manpower and financial resources for maintenance.
[0011] In addition, the annular sliding buffer slider structure can enable the pressure transmitter to withstand more impacts. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a structural diagram of a mining explosion-proof pressure transmitter.
[0013] Figure 2 This is a schematic diagram of the structure of the annular track and buffer slider in the mining explosion-proof pressure transmitter.
[0014] In the figure: pressure transmitter body 1, pipeline 2, magnet 3, spring 4, telescopic sleeve A5, telescopic sleeve B6, semi-circular track A7, shaft 8, buffer slider 9, semi-circular track B10, sliding piece 11, buffer fin 12, track groove 13, pointed head 14. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] See also Figures 1-2 In the embodiment of the utility model, a mining explosion-proof pressure transmitter includes a pressure transmitter body 1, a pipe 2, a magnet 3, a spring 4, a telescopic sleeve A5, a telescopic sleeve B6, a semi-circular track A7, a shaft 8, a buffer slider 9, and a semi-circular track B10;
[0017] The input end of the pressure transmitter body 1 is connected to a threaded through hole opened on the surface of the pipe 2; an explosion-proof structure is arranged on the periphery of the pressure transmitter body 1 to protect the pressure transmitter body 1 and prevent the pressure transmitter from being damaged by falling rocks in the mine. The pressure transmitter body 1 and the explosion-proof structure arranged on the periphery together constitute an explosion-proof pressure transmitter for mining.
[0018] The explosion-proof structure includes a magnet 3, a spring 4, a telescopic sleeve A5, a telescopic sleeve B6, a semi-circular track A7, a shaft 8, a buffer slider 9 and a semi-circular track B10. The semi-circular track A7 and the semi-circular track B10 are spliced to form a circular track, wherein one end of the semi-circular track A7 and one end of the circular track B10 are fixedly connected to one end of the shaft 8 by countersunk screws, and the other end of the shaft 8 is rotatably set in a circular groove welded on the pressure transmitter body 1;
[0019] Rubber can be arranged between the shaft 8 and the circular groove to play a certain buffering role.
[0020] The other end of the semi-circular track A7 and the other end of the circular track B10 are fixedly connected to one end of the telescopic sleeve A5 by countersunk screws, and the telescopic sleeve B6 is slidably connected inside the telescopic sleeve A5, and the end of the telescopic sleeve B6 away from the telescopic sleeve A5 is in contact with the pipeline 2; a compressed spring 4 is arranged between the telescopic sleeve B6 and the telescopic sleeve A5, and the restoring force of the spring 4 can make the circular track be propped up on the periphery of the pressure transmitter body 1;
[0021] A magnet 3 is embedded in one end of the telescopic sleeve B6 away from the telescopic sleeve A5, which is used to achieve positioning for the metal pipe with ferromagnetism.
[0022] The semi-circular track A7 and the semi-circular track B10 are both formed by bending metal plates, and the outer surfaces of the circular track A7 and the semi-circular track B10 are integrally formed with a track groove 13, and a plurality of buffer sliders 9 are slidably connected in the track groove 13. The buffer slider 9 includes a sliding piece 11 and one end of a buffer fin 12 vertically connected to the surface of the sliding piece 11. The sliding piece 11 is bent from a metal material into a part with the same curvature as the circular track, and the buffer fin 12 is used to contact the gravel falling from the top. The fin is made of softer plastic or other metal material. Falling rocks hitting the fins can promote the movement of the entire buffer slider to achieve energy dissipation to achieve an explosion-proof effect. At the same time, the entire buffer slider structure can ensure that the fallen stones are removed as much as possible to achieve an explosion-proof effect.
[0023] The other end of the buffer fin 12 is provided with a pointed tip 14 to reduce the probability of a head-on collision.
[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A mining explosion-proof pressure transmitter, comprising a pressure transmitter body (1), wherein the input end of the pressure transmitter body (1) is connected to a threaded through hole opened on the surface of a pipe (2), characterized in that: An explosion-proof structure is arranged on the periphery of a pressure transmitter body (1), the explosion-proof structure comprising a spring (4), a telescopic sleeve A (5), a telescopic sleeve B (6), a semi-circular track A (7), a shaft (8) and a semi-circular track B (10), wherein the semi-circular track A (7) and the semi-circular track B (10) are spliced to form a circular track, wherein one end of the semi-circular track A (7) and one end of the circular track B (10) are fixedly connected to one end of the shaft (8) by countersunk screws, and the other end of the shaft (8) is rotatably arranged in a circular groove welded on the pressure transmitter body (1); the other end of the semi-circular track A (7) and the other end of the circular track B (10) are fixedly connected to one end of the telescopic sleeve A (5) by countersunk screws, the telescopic sleeve B (6) is slidably connected in the telescopic sleeve A (5), and the end of the telescopic sleeve B (6) away from the telescopic sleeve A (5) contacts the pipeline (2); and a spring (4) in a compressed state is arranged between the telescopic sleeve B (6) and the telescopic sleeve A (5).
2. The explosion-proof pressure transmitter for mining according to claim 1, characterized in that: Rubber is arranged between the shaft (8) and the circular groove.
3. The explosion-proof pressure transmitter for mining according to claim 1 or 2, characterized in that: The restoring force of the spring (4) enables the annular track to be propped up on the periphery of the pressure transmitter body (1).
4. The explosion-proof pressure transmitter for mining according to claim 3, characterized in that: A magnet (3) is embedded in the end of the telescopic sleeve B (6) away from the telescopic sleeve A (5).
5. The explosion-proof pressure transmitter for mining according to claim 4, characterized in that: The semi-circular track A (7) and the semi-circular track B (10) are both formed by bending metal plates, and the outer surfaces of the circular track A (7) and the semi-circular track B (10) are both integrally formed with a track groove (13), and a plurality of buffer sliders (9) are slidably connected in the track groove (13), and the buffer slider (9) comprises a sliding sheet (11) and a buffer fin (12) vertically connected to the surface of the sliding sheet (11), and the sliding sheet (11) is bent from a metal material into a part with the same curvature as the circular track.