CN219101423U

CN219101423U - Ground resistance alarm device for coal mine wellhead

Info

Publication number: CN219101423U
Application number: CN202220428536.3U
Authority: CN
Inventors: 朱天红
Original assignee: Shanxi Noah Zhongyi Lightning Protection Technology Co ltd
Current assignee: Shanxi Noah Zhongyi Lightning Protection Technology Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2023-05-30
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses a ground resistance alarm device for a coal mine wellhead, which belongs to the technical field of coal mining and comprises a mounting box, a supporting mechanism, an alarm device and a lifting mechanism, wherein the supporting mechanism is fixedly connected to the bottom of an inner cavity of the mounting box through bolts, the alarm device is clamped at the top of the supporting mechanism, the lifting mechanism is positioned above the inner cavity of the mounting box, the upper sides of four walls of the inner cavity of the mounting box are fixedly connected with a supporting plate through bolts, a through hole is formed in the middle of the top of the mounting box, limit grooves are formed in the lower sides of the front side wall and the rear side wall of the inner cavity of the mounting box, limit sliding blocks are slidingly connected to the inner cavity of the limit grooves, and the lifting mechanism is electrically connected with the alarm device through wires.

Description

Ground resistance alarm device for coal mine wellhead

Technical Field

The utility model relates to the technical field of coal mining, in particular to a ground resistance alarm device for a coal mine wellhead.

Background

The underground protective grounding grid is formed by electrically connecting metal shells of electric equipment distributed in underground central power substations, underground yards, transportation roadways, mining area power substations and working face distribution points by utilizing metal sheaths of high-voltage and low-voltage armored cables and grounding core wires of rubber sleeve cables, and connecting the metal shells with a main grounding electrode, local grounding electrodes, grounding buses, auxiliary grounding buses, connecting wires and grounding wires, wherein the main grounding electrode, the local grounding electrodes, the auxiliary grounding buses and the connecting wires are arranged in main and auxiliary water bins near the underground central power substations.

The existing mine grounding resistance alarm device is exposed, has no corresponding protection device and has no damping protection, the sensitivity of the alarm device can be reduced and even the alarm device stops working when the alarm device is in a severe environment for a long time, and whether the alarm device can normally operate is related to the life and property safety of personnel.

Disclosure of Invention

The utility model aims to provide a ground resistance alarm device for a coal mine wellhead, which aims to solve the problems that in the background technology, the existing mine ground resistance alarm device is exposed, the sensitivity of the alarm device is reduced and even the alarm device stops working when the alarm device is in a severe environment for a long time, and the safety of lives and properties of personnel is concerned if the alarm device can normally operate.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ground resistance alarm device for coal mine well head, includes mounting box, supporting mechanism, alarm device and elevating system, supporting mechanism passes through bolt fixed connection the inner chamber bottom of mounting box, the alarm device joint is in supporting mechanism's top, elevating system is located the inner chamber top of mounting box, the inner chamber four walls upside of mounting box passes through bolt fixedly connected with backup pad, the department is opened in the middle of the top of mounting box has the through-hole, both sides downside is opened around the inner chamber of mounting box has the spacing groove around the lateral wall, the inner chamber sliding connection of spacing groove has spacing slider, elevating system pass through the electric wire with alarm device electric connection.

Preferably, the left side of the front side wall of the mounting box is rotationally connected with a box door through a hinge, and a visual window is inlaid on the lower side of the front side wall of the box door.

Preferably, a grounding pile is embedded at the bottom of the inner cavity of the mounting box, and the top end of the grounding pile is fixedly connected with the alarm device through an electric wire.

Preferably, the supporting mechanism comprises a movable column, a mounting plate and hoops, wherein the movable column is fixedly connected with four corners of the bottom of an inner cavity of the mounting box through bolts, springs are sleeved on the outer side walls of the movable column, the mounting plate is fixedly connected between the tops of the movable column through bolts, two sides of the mounting plate are fixedly connected between the inner side walls of the limiting sliding blocks, and the hoops are fixedly connected with the tops of the mounting plate through bolts.

Preferably, the lifting mechanism comprises an electric lifting rod, an electric rotary table and an alarm lamp, wherein the electric lifting rod is fixedly connected to the middle of the top of the supporting plate through bolts, the electric rotary table is fixedly connected to the top end of the electric lifting rod through bolts, and the alarm lamp is fixedly connected to the middle of the top of the electric rotary table through bolts.

Preferably, the top of alarm lamp is through bolt fixedly connected with roof, the roof is embedded in the inner chamber of through-hole, the department is inlayed in the middle of the top of roof has the speaker, the top of roof just is located the top fixedly connected with protection casing of speaker.

Compared with the prior art, the utility model has the beneficial effects that: this ground resistance alarm device for coal mine well head through placing alarm device on the mounting panel, fix alarm device on the mounting panel through the staple bolt, support the mounting panel through the movable column, and be connected to on the spacing slider through the mounting panel, slide in the spacing inslot through spacing slider, simultaneously through the spring that the movable column outside cup jointed, can carry out shock attenuation protection to alarm device through the spring, simultaneously, when alarm device starts, drive electric turntable through electric lift rod and rise, electric turntable drives the alarm lamp and rise the install bin, drive the alarm lamp through electric turntable and rotate the warning, and can enlarge the warning scope through the speaker, thereby can carry out real-time shock attenuation protection to alarm device, can lift alarm device when reporting to the police, can hide the protection to alarm device during the time of the monitoring, improve alarm device's life.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.

In the figure: 100. a mounting box; 110. a support plate; 120. a through hole; 130. a limit groove; 131. a limit sliding block; 140. a door; 141. a visual window; 150. a grounding pile; 200. a support mechanism; 210. a movable column; 211. a spring; 220. a mounting plate; 230. a hoop; 300. an alarm device; 400. a lifting mechanism; 410. an electric lifting rod; 420. an electric turntable; 430. an alarm lamp; 431. a top plate; 432. a speaker; 433. and a protective cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a ground resistance alarm device for a coal mine wellhead, which is characterized by comprising a mounting box 100, a supporting mechanism 200, an alarm device 300 and a lifting mechanism 400, wherein the mounting box is provided with a damping protection part, a hiding protection part and a service life improving part;

referring to fig. 1 to 4 again, the upper sides of four walls of an inner cavity of the installation box 100 are fixedly connected with a supporting plate 110 through bolts, a through hole 120 is formed in the middle of the top of the installation box 100, limit grooves 130 are formed in the lower sides of the front side and the rear side of the left side wall and the right side wall of the inner cavity of the installation box 100, limit sliding blocks 131 are slidably connected to the inner cavity of the limit grooves 130, the installation box 100 is used for installing a supporting mechanism 200, an alarm device 300 and a lifting mechanism 400, and the supporting plate 110 is used for installing the lifting mechanism 400;

referring to fig. 3, a supporting mechanism 200 is fixedly connected to the bottom of the inner cavity of the installation box 100 through bolts, and the supporting mechanism 200 is used for installing an alarm device 300;

referring to fig. 2-3, the alarm device 300 is clamped on the top of the supporting mechanism 200, and the alarm device 300 is used for monitoring the mine tunnel in real time;

referring to fig. 4, the lifting mechanism 400 is electrically connected to the alarm device 300 through a wire, the lifting mechanism 400 is located above the inner cavity of the mounting box 100, and the lifting mechanism 400 is used for hiding the alarm.

Referring to fig. 1, in order to facilitate the observation of the alarm device 300, a door 140 is rotatably connected to the left side of the front side wall of the installation box 100 through a hinge, and a viewing window 141 is embedded in the lower side of the front side wall of the door 140.

Referring to fig. 2, in order to facilitate installation connection of the ground wire, a grounding pile 150 is embedded in the bottom of the inner cavity of the installation box 100, and the top end of the grounding pile 150 is fixedly connected with the alarm device 300 through an electric wire.

Referring to fig. 3 again, in order to perform shock absorption protection on the alarm device 300, the supporting mechanism 200 includes a movable column 210, a mounting plate 220 and a hoop 230, the movable column 210 is fixedly connected to four corners of the bottom of an inner cavity of the mounting box 100 through bolts, a spring 211 is sleeved on an outer side wall of the movable column 210, the mounting plate 220 is fixedly connected between top ends of the movable column 210 through bolts, two sides of the mounting plate 220 are fixedly connected between inner side walls of the limit sliding blocks 131, and the hoop 230 is fixedly connected at the top of the mounting plate 220 through bolts.

Referring to fig. 4 again, in order to hide the alarm, the lifting mechanism 400 includes an electric lifting rod 410, an electric turntable 420 and an alarm lamp 430, the electric lifting rod 410 is fixedly connected to the middle of the top of the supporting plate 110 by bolts, the electric turntable 420 is fixedly connected to the top of the electric lifting rod 410 by bolts, and the alarm lamp 430 is fixedly connected to the middle of the top of the electric turntable 420 by bolts.

Referring to fig. 4 again, in order to expand the alarm range, the top of the alarm lamp 430 is fixedly connected with a top plate 431 by a bolt, the top plate 431 is embedded in the inner cavity of the through hole 120, a speaker 432 is embedded in the middle of the top plate 431, and a protective cover 433 is fixedly connected to the top of the top plate 431 and located at the top of the speaker 432.

When the alarm device is installed at a coal mine opening, a person skilled in the art installs the alarm device at a coal mine opening, the door 140 is opened after the installation, the alarm device 300 is placed on the installation plate 220, the alarm device 300 is fixed on the installation plate 220 through the anchor ear 230, the electric wire is connected with the grounding pile 150, the bottom end of the grounding pile 150 is connected with the ground wire, the spring 211 sleeved on the outer side of the movable column 210 is used for damping and protecting the alarm device 300, the limiting slide block 131 slides in the limiting groove 130 to limit the movable position of the installation plate 220, after an alarm condition occurs, the alarm device 300 starts the electric lifting rod 410, the electric lifting rod 410 drives the electric rotary table 420 to lift, the electric rotary table 420 drives the alarm lamp 430 to lift out of the installation plate 100, the electric rotary table 420 drives the alarm lamp 430 to rotate for alarm, and the alarm range can be enlarged through the loudspeaker 432.

It is noted that relational terms such as first and second, and the like are 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner so long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of brevity and resource saving. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a ground resistance alarm device for coal mine well head which characterized in that: including mounting box (100), supporting mechanism (200), alarm device (300) and elevating system (400), supporting mechanism (200) are in through bolt fixed connection the inner chamber bottom of mounting box (100), alarm device (300) joint is in the top of supporting mechanism (200), elevating system (400) are located the inner chamber top of mounting box (100), the inner chamber four-wall upside of mounting box (100) is through bolt fixedly connected with backup pad (110), open in the middle of the top of mounting box (100) has through-hole (120), open both sides downside has spacing groove (130) around the inner chamber of mounting box (100), the inner chamber sliding connection of spacing groove (130) has spacing slider (131), elevating system (400) pass through the electric wire with alarm device (300) electric connection.

2. The ground resistance alarm device for a coal mine wellhead according to claim 1, wherein: the left side of the front side wall of the installation box (100) is rotationally connected with a box door (140) through a hinge, and a visible window (141) is inlaid on the lower side of the front side wall of the box door (140).

3. The ground resistance alarm device for a coal mine wellhead according to claim 1, wherein: the bottom of the inner cavity of the installation box (100) is embedded with a grounding pile (150), and the top end of the grounding pile (150) is fixedly connected with the alarm device (300) through an electric wire.

4. The ground resistance alarm device for a coal mine wellhead according to claim 1, wherein: the supporting mechanism (200) comprises a movable column (210), a mounting plate (220) and anchor clamps (230), wherein the movable column (210) is fixedly connected with four corners of the bottom of an inner cavity of the mounting box (100) through bolts, springs (211) are sleeved on the outer side walls of the movable column (210), the mounting plate (220) is fixedly connected between the tops of the movable column (210) through bolts, two sides of the mounting plate (220) are fixedly connected between the inner side walls of the limiting sliding blocks (131), and the anchor clamps (230) are fixedly connected with the tops of the mounting plate (220) through bolts.

5. The ground resistance alarm device for a coal mine wellhead according to claim 1, wherein: elevating system (400) are including electric lift pole (410), electric turntable (420) and alarm lamp (430), electric lift pole (410) are in through bolt fixed connection department in the middle of the top of backup pad (110), electric turntable (420) are in through bolt fixed connection electric lift pole (410)'s top, alarm lamp (430) are in through bolt fixed connection department in the middle of the top of electric turntable (420).

6. The ground resistance alarm device for a coal mine wellhead according to claim 5, wherein: the top of alarm lamp (430) is through bolt fixedly connected with roof (431), roof (431) are embedded in the inner chamber of through-hole (120), the department is inlayed in the middle of the top of roof (431) has speaker (432), the top of roof (431) just is located the top fixedly connected with protection casing (433) of speaker (432).