Diagnostic device for coal mine main ventilator
By installing a ring frame and a flexible alarm mechanism at the connection point of the ventilation fan, combined with temperature monitoring, the problem of the inability to diagnose the faults of the main ventilation fan in coal mines in real time has been solved, enabling rapid fault notification and improved safety.
Patent Information
- Application Number
- CN202422617339.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-10-29
AI Technical Summary
Existing methods for diagnosing faults in coal mine main ventilation fans cannot achieve real-time monitoring, resulting in faults not being identified in a timely manner and posing safety hazards.
A ring frame and a flexible alarm mechanism are installed at the connection point of the ventilation fan. The ring extrusion head and the movable extrusion head work together to realize automatic alarm when abnormal vibration occurs. Combined with the temperature sensing mechanism, the fan temperature is monitored in real time and maintenance is notified in a timely manner.
It enables real-time fault diagnosis of main ventilation fans in coal mines, reducing the time spent on manual troubleshooting and improving safety and the timeliness of fault handling.
Smart Images

Figure CN223806308U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a fan technical field, especially a diagnosis device for coal mine main fan. BACKGROUND
[0002] The main fan is important electromechanical equipment in coal mine production, is the realization underground space normal ventilation and gas exchange, prevents gas accumulation, and ensures the key of mine safety production, when the main fan breaks down, needs to carry out technical processing, and the fault diagnosis device is the device that the main fan's fault carries out quick diagnosis.
[0003] The existing coal mine main fan adopts multistage fan, and if the main fan breaks down during working, cannot be handled in time, easy to cause the danger of the staff below, the method that the existing main fan fault diagnosis carries out one by one through artificial, cannot realize the real -time monitoring of main fan, once breaks down, cannot realize quick troubleshooting. UTILITY MODEL CONTENTS
[0004] Some simplification or omission can be made in this part and the abstract of the specification and the utility model name to avoid the purpose of this part, the abstract of the specification and the utility model name is blurred, and the simplification or omission cannot be used to limit the scope of the utility model.
[0005] In view of the above or the problems existing in the prior art, the utility model is proposed.
[0006] Therefore, the purpose of the utility model is to provide a diagnosis device for coal mine main fan, which solves the problem that artificial cannot quickly troubleshoot the fault of multistage fan.
[0007] To solve the above technical problems, the utility model provides the following technical scheme: a diagnosis device for coal mine main fan, which comprises a first fan and a second fan, an annular frame is arranged on the outer side of the butt joint of the first fan and the second fan, a plurality of elastic alarm mechanisms are arranged on the inner side of the annular frame, the inner side of the first fan is connected with an inner annular frame through a connecting rod, and a temperature sensing mechanism is arranged on the inner annular frame.
[0008] A head groove is arranged at the port butt joint of the first fan, an annular joint is arranged at the butt joint of the second fan, an annular extrusion head is arranged on one side of the annular joint, the annular extrusion head is arranged in the head groove when the first fan and the second fan are in butt joint state, and the inner and outer sides of the annular extrusion head are connected with the inner wall of the head groove through a first spring.
[0009] As a preferred scheme of the diagnostic device for the coal mine main ventilator, the elastic alarm mechanism comprises a buffer column, the upper end of the buffer column is fixed to the inner wall of the annular frame, the lower end is provided with an alarm switch, and the two sides are connected to one end of a second spring through first side connecting blocks.
[0010] As a preferred scheme of the diagnostic device for the coal mine main ventilator, the lower end of the second side connecting block penetrates the end slot and is in contact with the outer wall of the annular extrusion head.
[0011] As a preferred scheme of the diagnostic device for the coal mine main ventilator, the inside of the first ventilator and the second ventilator is provided with a fan, and the fan is close to the temperature sensing mechanism.
[0012] As a preferred scheme of the diagnostic device for the coal mine main ventilator, the elastic alarm mechanism is arranged in an annular array on the inner side of the annular frame.
[0013] As a preferred scheme of the diagnostic device for the coal mine main ventilator, the annular extrusion head is not fixed between the end slot.
[0014] As a preferred scheme of the diagnostic device for the coal mine main ventilator, the movable extrusion head is not fixed between the end slot.
[0015] The utility model discloses the beneficial effects: the utility model discloses the butt joint of two section ventilators and sets up end slot and annular extrusion head, when the fan abnormal vibration occurs, annular extrusion head extrusion, utilize the opening alarm device, and timely inform personnel to overhaul, simultaneously, the temperature of the fan working is monitored in real time to the inside setting temperature sensing mechanism. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the drawings needed to be used in the embodiment description will be simply introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor. Among them:
[0017] Fig. 1 It is the whole schematic view of the diagnostic device for the coal mine main ventilator;
[0018] Fig. 2 It is the schematic view of the second ventilator of the diagnostic device for the coal mine main ventilator;
[0019] Fig. 3 A schematic diagram of a first fan for a diagnostic device for a coal mine main fan;
[0020] Fig. 4 A schematic diagram of a distribution of an interface for a diagnostic device for a coal mine main fan. DETAILED DESCRIPTION
[0021] In order to make the above objectives, characteristics and advantages of the present application more apparent, specific embodiments of the present application will be described in detail with reference to the drawings.
[0022] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details given herein, that the present application can be practiced with other than the described embodiments, and that variations from the particular embodiments described herein can be made and still be within the scope of the present application.
[0023] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. The "in one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or mutually exclusive with other embodiments.
[0024] Embodiment 1
[0025] Reference Figs. 1-4 For the first embodiment of the present application, the embodiment provides a diagnostic device for a coal mine main fan, which comprises a first fan 100 and a second fan 200, an annular frame 300 is arranged on the outer side of the interface of the first fan 100 and the second fan 200, a plurality of elastic alarm mechanisms 400 are arranged on the inner side of the annular frame 300, the inner side of the first fan 100 is connected to an inner annular frame 302 through a connecting rod 301, and a temperature sensing mechanism 303 is arranged on the inner annular frame 302.
[0026] Preferably, the annular frame 300 is an external support frame, and other support structures can be used to erect the annular frame 300 on the outer side of the interface of the first fan 100 and the second fan 200.
[0027] Preferably, the position of the annular frame 300 is relatively fixed with respect to the first fan 100 and the second fan 200, and the buffer column 401 adopts a telescopic rod. When the movable pressing head 405 triggers the alarm switch 403, the device has reached an abnormal degree. If the vibration of the device continues to increase, the movable pressing head 405 will press the buffer column 401, and the buffer column 401 will be used for buffering to avoid the position of the annular frame 300 being affected.
[0028] The end slot 101 is arranged at the port of the first ventilator 100, the annular joint 203 is arranged at the port of the second ventilator 200, the annular extruding head 201 is arranged at one side of the annular joint 203, when the first ventilator 100 and the second ventilator 200 are in the state of butt joint, the annular extruding head 201 is arranged in the end slot 101, the inner and outer sides of the annular extruding head 201 are connected with the inner wall of the end slot 101 through the first spring 202.
[0029] Further, the elastic alarm mechanism 400 comprises the buffer column 401, the upper end of the buffer column 401 is fixed with the inner wall of the annular frame 300, the lower end is provided with the alarm switch 403, the two sides are connected with one end of the second spring 404 through the first side connecting block 402, the other end of the second spring 404 is connected with the second side connecting block 406 on the side of the movable extruding head 405.
[0030] Preferably, when the abnormal vibration occurs between the first ventilator 100 and the second ventilator 200, any one of the four 405 contacts the corresponding alarm switch 403, and the alarm mechanism sends a warning.
[0031] Further, the lower end of the movable extruding head 405 penetrates through the end slot 101 and contacts with the outer wall of the annular extruding head 201.
[0032] Further, the fan 500 is arranged in the first ventilator 100 and the second ventilator 200, and the fan 500 is close to the temperature sensing mechanism 303.
[0033] Further, the elastic alarm mechanism 400 is arranged in the annular array on the inner side of the annular frame 300.
[0034] Preferably, the elastic alarm mechanism 400 is arranged four.
[0035] Further, the annular extruding head 201 and the end slot 101 are not fixed.
[0036] Further, the movable extruding head 405 and the end slot 101 are not fixed.
[0037] Preferably, the first ventilator 100 and the second ventilator 200 are consistent in specification, taking the first ventilator 100 as an example, the end slot 101 is arranged at one end of the first ventilator 100, and the annular extruding head 201 and the first spring 202 are arranged at the other end.
[0038] In use, the first ventilator 100 and the second ventilator 200 are docked, and the annular frame 300 and the elastic alarm mechanism 400 are arranged at the docking position of the first ventilator 100 and the second ventilator 200. When the first ventilator 100 and the second ventilator 200 abnormally vibrate, the annular pressing head 201 slides in the end head groove 101, and the annular pressing head 201 presses the movable pressing head 405 in the sliding process, and the upper end of the movable pressing head 405 presses the alarm switch 403 under abnormal amplitude, thereby turning on the alarm mechanism and notifying the staff to repair.
[0039] In summary, the device is arranged at the docking position of the two ventilators, and the end head groove 101 and the annular pressing head 201 are arranged at the docking position of the first ventilator 100 and the second ventilator 200. When the ventilator abnormally vibrates, the annular pressing head 201 presses the movable pressing head 405, and the movable pressing head 405 opens the alarm device to timely notify the personnel to repair, and the temperature sensing mechanism 303 is arranged in the pipeline to monitor the temperature of the ventilator in real time.
[0040] Importantly, it should be noted that the construction and arrangement of the application shown in the various exemplary implementations is illustrative only. Although only a few implementations have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications can be made to the implementations described and that the elements of the implementations can be arranged and designed in a wide variety of different configurations, without departing from the spirit or scope of the novel teachings described in this application. For example, the elements of an illustrated implementation can be reversed or otherwise varied and the nature or number of elements can be altered or varied. Accordingly, all such variations are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without departing from the spirit of the application. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary implementations without departing from the scope of the present application. Accordingly, the present application is not limited to the above-described implementations, but instead is extended to those alterations, modifications, and changes that nevertheless come within the scope of the appended claims. Thus, it is intended that the present application cover all such modifications and alterations as come within the scope of the appended claims.
[0041] Furthermore, in an effort to provide a concise description of the exemplary implementations, all features of an actual implementation can not be described (that is, those perceived to be not necessary to an appreciation of the best mode for carrying out the present application or that are otherwise insufficient to constrict the scope of the present application).
[0042] It is to be understood that the development of the particular implementations described herein was not determined merely by the availability of certain items or materials. Rather and more generally, specific implementations can be determined, for example, based on the particular requirements of the instrumentation or design, the particular requirements of the technology being implemented, or other considerations in the design of a particular implementation.
[0043] It should be noted that the above examples are only used to illustrate the technical solutions of the present application, and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application. They should be covered in the scope of the claims of the present application.
Claims
1. A diagnostic device for a coal mine main fan, characterised in that: The utility model relates to a first ventilator (100) and second ventilator (200), the outside of the butt joint of first ventilator (100) and second ventilator (200) is equipped with annular frame (300), the inside of annular frame (300) is equipped with a plurality of elastic alarm mechanism (400), the inner side surface of first ventilator (100) is connected inner annular frame (302) through connecting rod (301), and the inner annular frame (302) is equipped with temperature sensing mechanism (303). The port of first ventilator (100) butt joint is equipped with end slot (101), and the butt joint of second ventilator (200) is equipped with annular joint (203), one side of annular joint (203) is equipped with annular extruding head (201), when first ventilator (100) and second ventilator (200) are in butt joint state, annular extruding head (201) is placed in end slot (101), and the inner and outer sides of annular extruding head (201) are connected the inner wall of end slot (101) through first spring (202). Elastic alarm mechanism (400) includes buffer column (401), the upper end of buffer column (401) is fixed with the inner wall of annular frame (300), and the lower end is equipped with alarm switch (403), and both sides are connected one end of second spring (404) through first side block (402), and the other end of second spring (404) is connected second side block (406) of movable extruding head (405) side.
2. The diagnostic device for a main fan of a coal mine as claimed in claim 1, characterized in that: The lower end of second side block (406) is penetrated after end slot (101), and the outer wall of annular extruding head (201) is contacted.
3. A diagnostic device for a coal mine main fan as claimed in claim 2, characterised in that: The inside of first ventilator (100) and second ventilator (200) is equipped with fan (500), and fan (500) is close to temperature sensing mechanism (303).
4. The diagnostic device for a main fan of a coal mine according to claim 1, characterized in that: Elastic alarm mechanism (400) is annular array distribution in the inside of annular frame (300).
5. The diagnostic device for a coal mine main fan according to claim 1, characterized in that: Annular extruding head (201) and end slot (101) are not fixed.
6. The diagnostic device for a coal mine main fan according to claim 1, characterized in that: Movable extruding head (405) and end slot (101) are not fixed.
7. The diagnostic device for a main fan of a coal mine as claimed in claim 2, characterized in that: