Control device of intelligent coal mine extraction device

By employing a sealing mechanism at the pipe connections of the intelligent coal mine extraction device, the problem of gas leakage caused by gaps was solved, thereby improving sealing performance and safety.

CN223854941UActive Publication Date: 2026-01-30CHANGCUN COAL MINE OF SHANXI LUAN ENVIRONMENTAL PROTECTION ENERGY DEV CO LTD
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Patent Information

Application Number
CN202520498483.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2026-01-30
Estimated Expiration
2035-03-20

AI Technical Summary

Technical Problem

Gaps exist at the pipe connections of existing intelligent coal mine gas extraction devices, leading to gas leaks and affecting extraction safety.

Method used

A sealing mechanism is adopted, including components such as a shaft, a diagonal rod, a sealing ring, and a positioning rod. The positioning rod is engaged inside the diagonal rod to ensure that the sealing ring is securely fastened at the connection between the valve body and the pipeline assembly, preventing leakage from gaps.

Benefits of technology

It effectively prevents gas leakage, improves the sealing of pipeline connections, and ensures the safety and convenience of gas extraction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a control device of an intelligent coal mine extraction device, which comprises a valve body, a pipeline assembly communicated with both sides of the valve body, and a flow adjusting assembly fixedly connected with the top of the valve body, both sides of the flow adjusting assembly are fixedly connected with sealing mechanisms, each sealing mechanism comprises two shaft rods, and the shaft rods are fixedly connected with the valve body. And inclined rods are arranged on the two sides of the surface of the shaft rod in a sleeving mode, connecting bent plates are fixedly connected to the bottoms of the inclined rods, sealing rings are fixedly connected to the inner sides of the connecting bent plates, the inner sides of the sealing rings are located at the joint of the valve body and the pipeline assembly, and sliding plates are slidably connected to the two sides of the outer side of the flow adjusting assembly. According to the control device, the phenomenon that gaps exist in the traditional connecting position is changed, the positioning rod is clamped in the inclined rod, the position of the sealing ring is fastened and limited to the connecting position of the valve body and the pipeline assembly, sealing treatment is carried out, gas leakage cannot be caused, and the safety of extraction cannot be affected.
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Description

Technical Field

[0001] This utility model relates to the field of intelligent coal mine extraction technology, specifically a control device for an intelligent coal mine extraction device. Background Technology

[0002] The intelligent coal mine gas extraction device mainly consists of a power unit (extraction pump station), a pipeline system (main pipeline, branch pipeline, borehole connection pipe, etc.), control valves, a monitoring system, and other auxiliary devices (such as explosion-proof and explosion-suppression devices, backfire prevention devices, slag discharge and water discharge devices, etc.). Its core function is to sense changes in the extraction target and the operating parameters of the extraction system in real time, and to optimize and correct key target parameters based on these changes to ensure the efficiency and safety of gas extraction.

[0003] According to a patent published on the China Patent Network, the patent title is "A Coal Mine Gas Extraction Device," patent application number 202320284803.9. It includes a device body for extracting coal mine gas. One side of the device body is connected to a connector via a gas guide pipe, and a filter element is provided on one side of the connector. The connector is a connecting cylinder with a threaded portion on one side and a mating portion on the side away from the threaded portion. A connecting portion is provided on one side of the filter element, and the connector and filter element are connected by engaging the connecting portion and the mating portion. This invention allows for the quick connection and fixation of the filter element for coal mine gas filtration to the gas guide pipe connected to the device body. Compared to the traditional method of embedding the filter element into the device, this greatly improves the efficiency of filter element installation and replacement. In contrast, the control devices mentioned above typically use flange connections for pipe connections, which still leave gaps that can easily lead to gas leakage, affecting the safety of gas extraction.

[0004] Therefore, the control device needs to be redesigned and modified to effectively prevent leaks caused by gaps at pipe connections. Utility Model Content

[0005] To address the problems mentioned in the background art, the purpose of this utility model is to provide a control device for an intelligent coal mine extraction device, which has the advantage of increasing the sealing of pipe connections and solving the problem of leakage caused by gaps at pipe connections.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a control device for an intelligent coal mine extraction device, comprising a valve body;

[0007] Piping assemblies connected to both sides of the valve body;

[0008] A flow regulating assembly fixedly connected to the top of the valve body;

[0009] Both sides of the flow regulating assembly are fixedly connected with sealing mechanisms, the sealing mechanism comprises two shaft rods, the surfaces of the shaft rods are sleeved with inclined rods on both sides, the bottom of the inclined rod is fixedly connected with a connecting bent plate, the inner side of the connecting bent plate is fixedly connected with a sealing ring, the inner side of the sealing ring is located at the connecting position of the valve body and the pipeline assembly, the outer sides of the flow regulating assembly are slidably connected with sliding plates, the top and bottom of the inner side of the sliding plate are fixedly connected with return springs, the top and bottom of the outer side of the sliding plate are fixedly connected with positioning rods, the outer side of the positioning rod penetrates into the inner side of the inclined rod.

[0010] As preferred by the utility model, the front and back of the flow regulating assembly are movably connected with convenient extrusion mechanisms through bearings, the convenient extrusion mechanism comprises a positive and negative toothed rod, the surfaces of the positive and negative toothed rod are threadedly connected with sleeve nuts on both sides, the bottom of the sleeve nut is fixedly connected with a lower plate, the inner side of the lower plate is in contact with the sliding plate.

[0011] As preferred by the utility model, the right side of the positive and negative toothed rod is fixedly connected with a knob, the diameter of the knob is greater than the diameter of the positive and negative toothed rod.

[0012] As preferred by the utility model, the right side of the surface of the positive and negative toothed rod is sleeved with a limiting block, the inner side of the limiting block is fixedly connected with the flow regulating assembly.

[0013] As preferred by the utility model, the top and bottom of the outer side of the flow regulating assembly are provided with a slot, the inner side of the sliding plate is slidably connected in the slot.

[0014] As preferred by the utility model, the top and bottom of the inner side of the inclined rod are provided with a positioning slot, the outer side of the positioning rod is clamped in the positioning slot.

[0015] Compared with the prior art, the utility model has the advantages as follows:

[0016] 1, the control device of the utility model changes the gap phenomenon existing in the traditional connecting portion, adopts the clamping of the positioning rod in the inner side of the inclined rod, the position of the sealing ring is fastened and limited at the connecting portion of the valve body and the pipeline assembly, and sealing treatment is carried out, so that gas leakage is avoided, and the safety of extraction is not affected.

[0017] 2, the setting of the convenient extrusion mechanism can facilitate the user to move the sliding plate, and the convenience of the user is improved.

[0018] 3, the setting of the knob can make the user rotate the positive and negative toothed rod more stably, and prevent the phenomenon of unstable rotation.

[0019] 4、The utility model discloses through the setting of limiting block, can make positive and negative toothed rod more stable rotation, avoid the phenomenon that positive and negative toothed rod appears to incline and drop.

[0020] 5、The utility model discloses through the setting of strip groove, can make the sliding plate more smooth in the outside of flow regulation subassembly sliding, reduced the friction between sliding plate and flow regulation subassembly, prolonged the service life of sliding plate, and the limiting effect of sliding plate was played simultaneously.

[0021] 6、The utility model discloses through the setting of positioning groove, can make the positioning rod more tightly connect in the inside of inclined bar, avoid the phenomenon that falls off. DRAWINGS

[0022] Figure 1 It is the structure schematic drawing of the utility model;

[0023] Figure 2 It is the structure drawing of sealing mechanism and convenient extrusion mechanism of the utility model;

[0024] Figure 3 It is the structure of the utility model Figure 2 Enlarged structure diagram of A place in the structure;

[0025] Figure 4 It is the partial structure perspective drawing of the utility model.

[0026] In the drawing: 1, valve body;2, pipeline assembly;3, flow regulation subassembly;4, sealing mechanism;5, shaft;6, inclined bar;7, connecting bent plate;8, sealing ring;9, sliding plate;10, return spring;11, positioning rod;12, convenient extrusion mechanism;13, positive and negative toothed rod;14, silk cover;15, lower plate;16, knob;17, limiting block;18, strip groove;19, positioning groove. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] As Figures 1 to 4 Indicated, the utility model provides a kind of control device of intelligent coal mine extraction device, including valve body 1;

[0029] Pipeline assembly 2, both sides of valve body 1 are communicated;

[0030] Flow regulation subassembly 3 is fixedly connected at the top of valve body 1;

[0031] The two sides of the flow regulating assembly 3 are fixedly connected with sealing mechanisms 4, the sealing mechanisms 4 comprise two shaft rods 5, the two sides of the surface of the shaft rod 5 are sleeved with inclined rods 6, the bottom of the inclined rod 6 is fixedly connected with a connecting bent plate 7, the inner side of the connecting bent plate 7 is fixedly connected with a sealing ring 8, the inner side of the sealing ring 8 is located at the connecting position of the valve body 1 and the pipeline assembly 2, the two sides of the outer side of the flow regulating assembly 3 are slidably connected with sliding plates 9, the top and the bottom of the inner side of the sliding plate 9 are fixedly connected with return springs 10, the top and the bottom of the outer side of the sliding plate 9 are fixedly connected with positioning rods 11, the outer side of the positioning rod 11 penetrates into the inner side of the inclined rod 6.

[0032] Reference Figure 1 And Figure 2 The front and back of the flow regulating assembly 3 are movably connected with convenient extrusion mechanisms 12 through bearings, the convenient extrusion mechanisms 12 comprise positive and negative toothed rods 13, the two sides of the surface of the positive and negative toothed rod 13 are threadedly connected with silk sleeves 14, the bottom of the silk sleeve 14 is fixedly connected with a lower plate 15, and the inner side of the lower plate 15 is in contact with the sliding plate 9.

[0033] As a technical optimization scheme of the utility model, through the setting of the convenient extrusion mechanism 12, the user can move the sliding plate 9 conveniently, and the convenience of the user is improved.

[0034] Reference Figure 2 The right side of the positive and negative toothed rod 13 is fixedly connected with a knob 16, and the diameter of the knob 16 is greater than that of the positive and negative toothed rod 13.

[0035] As a technical optimization scheme of the utility model, through the setting of the knob 16, the user can rotate the positive and negative toothed rod 13 more stably, and the phenomenon of unstable rotation is prevented.

[0036] Reference Figure 2 The right side of the surface of the positive and negative toothed rod 13 is sleeved with a limiting block 17, and the inner side of the limiting block 17 is fixedly connected with the flow regulating assembly 3.

[0037] As a technical optimization scheme of the utility model, through the setting of the limiting block 17, the positive and negative toothed rod 13 can be rotated more stably, and the phenomenon of tilting and falling of the positive and negative toothed rod 13 is avoided.

[0038] Reference Figure 4 The top and the bottom of the outer side of the flow regulating assembly 3 are provided with strip grooves 18, and the inner side of the sliding plate 9 is slidably connected in the strip grooves 18.

[0039] As a technical optimization scheme of the utility model, through the setting of the strip groove 18, the sliding plate 9 can be more smoothly slid on the outer side of the flow regulating assembly 3, the friction between the sliding plate 9 and the flow regulating assembly 3 is reduced, the service life of the sliding plate 9 is prolonged, and the sliding plate 9 is limited.

[0040] Reference Figure 3 The top and bottom of the inner side of the inclined rod 6 are provided with positioning grooves 19, and the outer side of the positioning rod 11 is clamped in the inner side of the positioning groove 19.

[0041] As a technical optimization scheme of the utility model, through the setting of the positioning groove 19, the positioning rod 11 can be clamped more tightly in the inner side of the inclined rod 6, and the phenomenon of falling off is avoided.

[0042] The working principle and use process of the utility model: first, the user first moves the inclined rod 6 to the downside, makes the inclined rod 6 drive the connecting bent plate 7 and the sealing ring 8 to move to the inner side, makes the sealing ring 8 cover the connecting place of the valve body 1 and the pipeline assembly 2, then loosens the sliding plate 9, the sliding plate 9 is bounced to the outside by the rebound force of the return spring 10, drives the positioning rod 11 to move to the outside, makes the positioning rod 11 be clamped in the inner side of the positioning groove 19, causes to reach the effect that the sealing property of the pipeline connecting place can be increased.

[0043] As above: the control device of the intelligent coal mine extraction device changes the phenomenon that the traditional connecting place has a gap, adopts that the positioning rod 11 is clamped in the inner side of the inclined rod 6, makes the position of the sealing ring 8 be tightly limited at the connecting place of the valve body 1 and the pipeline assembly 2, carries out sealing treatment, so as not to cause gas leakage, also not to affect the safety of extraction.

[0044] It should be noted that, in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus including a series of elements includes not only those elements, but also other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.

[0045] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A control device of an intelligent coal mine extraction device, comprising a valve body (1); a pipeline assembly (2) communicated on both sides of the valve body (1); a flow regulating assembly (3) fixedly connected to the top of the valve body (1); characterized in that both sides of the flow regulating assembly (3) are fixedly connected with sealing mechanisms (4), the sealing mechanism (4) comprises two shaft rods (5), the surfaces of the shaft rods (5) are sleeved with inclined rods (6) on both sides, the bottom of the inclined rod (6) is fixedly connected with a connecting bent plate (7), the inner side of the connecting bent plate (7) is fixedly connected with a sealing ring (8), the inner side of the sealing ring (8) is located at the connection between the valve body (1) and the pipeline assembly (2), both sides of the outer side of the flow regulating assembly (3) are slidingly connected with sliding plates (9), the top and the bottom of the inner side of the sliding plate (9) are fixedly connected with return springs (10), the top and the bottom of the outer side of the sliding plate (9) are fixedly connected with positioning rods (11), the outer side of the positioning rod (11) penetrates into the inner side of the inclined rod (6).

2. The control device of the intelligent coal mine extraction device according to claim 1, characterized in that: the front and the back of the flow regulating assembly (3) are both movably connected with convenient extrusion mechanisms (12) through bearings, the convenient extrusion mechanism (12) comprises a forward and reverse toothed rod (13), both sides of the surface of the forward and reverse toothed rod (13) are threadedly connected with silk sleeves (14), the bottom of the silk sleeve (14) is fixedly connected with a lower plate (15), the inner side of the lower plate (15) is in contact with the sliding plate (9).

3. The control device of the intelligent coal mine extraction device according to claim 2, characterized in that: the right side of the forward and reverse toothed rod (13) is fixedly connected with a knob (16), the diameter of the knob (16) is greater than the diameter of the forward and reverse toothed rod (13).

4. The control device of the intelligent coal mine extraction device according to claim 2, characterized in that: the right side of the surface of the forward and reverse toothed rod (13) is sleeved with a limiting block (17), the inner side of the limiting block (17) is fixedly connected with the flow regulating assembly (3).

5. The control device of the intelligent coal mine extraction device according to claim 1, characterized in that: the top and the bottom of the outer side of the flow regulating assembly (3) are both provided with a strip groove (18), the inner side of the sliding plate (9) is slidingly connected in the inner side of the strip groove (18).

6. The control device of the intelligent coal mine extraction device according to claim 1, characterized in that: the top and the bottom of the inner side of the inclined rod (6) are both provided with positioning grooves (19), the outer side of the positioning rod (11) is clamped in the inner side of the positioning groove (19).

Citation Information

Patent Citations

  • Coal mine gas extraction device

    CN219176388U