CN211945972U - Main grounding polar plate monitoring lifting device in coal mine underground water silo - Google Patents

Abstract

The utility model discloses a colliery is main ground connection polar plate monitoring elevating gear in sump in pit, including sump and support frame down, the equal fixed mounting in both sides of sump has the support frame down, and the top of two support frames is seted up flutedly with the middle part of horizontal pole bottom both sides fixed connection horizontal pole bottom, and the both sides cell wall of recess alternates through inlaying the bearing of establishing and is connected with the lead screw. The utility model relates to a colliery is main ground connection polar plate monitoring elevating gear in sump in pit, second step motor through the installation drives the positive and negative rotation of reel, through the flexible of reel positive and negative rotation drive stay cord, be convenient for drive the lift of main ground connection polar plate, it rotates to drive the lead screw through first step motor, rotate through the lead screw and drive the slider at lead screw surface reciprocating motion, be convenient for remove the cast ground connection polar plate inside sump in pit to the bank, the security when convenient inspect and maintain main ground connection polar plate, still very big alleviate inspector's intensity of labour.

Description

Main grounding polar plate monitoring lifting device in coal mine underground water silo

Technical Field

The utility model relates to a monitoring elevating gear, in particular to main ground connection polar plate monitoring elevating gear in colliery sump under coal mine.

Background

According to the regulation of coal mine safety regulations, the main grounding polar plate is buried in the water sump, and the main water sump and the auxiliary water sump are respectively provided with one plate. The main grounding polar plate uses a steel plate with the area not less than 0.75 square meter and the thickness not less than 5 mm, and a section of flat steel is welded on the main grounding polar plate to connect a lead. The main grounding polar plate needs to be lifted out to be checked every quarter, however, the main grounding polar plate is heavy and difficult to lift, and great inconvenience is brought to daily checking work of the grounding electrode.

At present, when a main grounding pole plate in an underground water sump is inspected, the main grounding pole plate is lifted mostly by winding a steel wire rope by using a fixed pulley and a roller with a crank, and a pin is inserted and fixed at a lifting terminal point by selecting a jack position. However, in practical applications, the following two disadvantages exist in this way: firstly, safety accidents of injuring workers easily occur; secondly, the lifting height is not in place, the comprehensiveness and the fineness of the inspection of the main grounding polar plate are limited, the problem that a patrol inspector cannot find the main grounding polar plate in time is caused, and potential safety hazards are buried.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery is main ground connection polar plate monitoring elevating gear in sump in pit to the incident that firstly appears hindering the staff easily and promote the height not in place that provide among the above-mentioned background art has limited the comprehensiveness and the careful nature of main ground connection polar plate inspection, causes the problem that the inspector can not in time discover main ground connection polar plate and exist.

In order to achieve the above object, the utility model provides a following technical scheme: a main grounding polar plate monitoring lifting device in a coal mine underground water sump comprises an underground water sump and supporting frames, wherein the supporting frames are fixedly arranged on two sides of the underground water sump, the top ends of the two supporting frames are fixedly connected with two sides of the bottom end of a cross rod, the middle part of the bottom end of the cross rod is provided with a groove, the groove walls on two sides of the groove are alternately connected with a screw rod through embedded bearings, one end of the screw rod is rotatably connected with an output shaft of a first stepping motor, the first stepping motor is fixedly arranged in a motor box, the motor box is fixedly arranged on one side of one of the supporting frames, the surface of the screw rod is in threaded connection with a sliding block, a U-shaped block is fixedly arranged at the bottom end of the sliding block, the inner walls on two sides of the U-shaped block are in penetrating connection with a rotating shaft through embedded shafts, one end of the rotating shaft is in rotatable, the surface cover of pivot is equipped with the reel, the surface winding of reel has the stay cord, the one end fixed mounting of stay cord has main ground connection polar plate, the inside in sump is arranged in to main ground connection polar plate.

As an optimized technical scheme of the utility model, the both sides cover of reel is equipped with the spacing ring.

As a preferred technical scheme of the utility model, two the equal fixed mounting in both sides of support frame has the installation piece, and the top of four installation pieces is all seted up threaded hole, four the equal threaded connection in inside of screw hole has fastening bolt.

As a preferred technical scheme of the utility model, the inside interlude of support frame is connected with the strengthening rib.

As a preferred technical scheme of the utility model, one of them one side fixed mounting of support frame has control panel, first step motor control switch and second step motor control switch are installed respectively to control panel's surface, first step motor and second step motor are respectively through first step motor control switch and second step motor control switch and external power supply electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a colliery is main ground connection polar plate monitoring elevating gear in sump in pit, second step motor through the installation drives the positive and negative rotation of reel, through the flexible of reel positive and negative rotation drive stay cord, be convenient for drive the lift of main ground connection polar plate, it rotates to drive the lead screw through first step motor, rotate through the lead screw and drive the slider at lead screw surface reciprocating motion, be convenient for remove the cast ground connection polar plate inside sump in pit to the bank, the security when convenient inspect and maintain main ground connection polar plate, still very big alleviate inspector's intensity of labour.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a partial structure of the present invention.

In the figure: 1. a water discharging bin; 2. a main ground plate; 3. a support frame; 4. a cross bar; 5. a groove; 6. a screw rod; 7. a motor case; 8. a first stepper motor; 9. a slider; 10. a U-shaped block; 11. a reel; 12. a second stepping motor; 13. pulling a rope; 14. a rotating shaft; 15. a control panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides a monitoring and lifting device for a main grounding polar plate in a coal mine underground water sump, which comprises an underground water sump 1 and support frames 3, wherein the support frames 3 are fixedly arranged on both sides of the underground water sump 1, the top ends of the two support frames 3 and the middle part of the bottom end of a cross rod 4 are fixedly connected with both sides of the bottom end of the cross rod 4 are provided with grooves 5, the two side groove walls of the grooves 5 are connected with a screw rod 6 in an inserting way through embedded bearings, one end of the screw rod 6 is rotationally connected with an output shaft of a first step motor 8, the first step motor 8 is fixedly arranged in a motor box 7, the motor box 7 is fixedly arranged on one side of one support frame 3, the surface of the screw rod 6 is connected with a slide block 9 in a threaded way, a U-shaped block 10 is fixedly arranged at the bottom end of the slide block 9, the inner walls on both sides of, the second stepping motor 12 is fixedly installed on one side of the U-shaped block 10, a winding wheel 11 is sleeved on the surface of the rotating shaft 14, a pulling rope 13 is wound on the surface of the winding wheel 11, a main grounding pole plate 2 is fixedly installed at one end of the pulling rope 13, and the main grounding pole plate 2 is arranged inside the sump 1.

Preferably, both sides of the reel 11 are sleeved with limit rings, and the pull rope 13 is prevented from being separated from the reel 11 through the limit rings.

Preferably, the equal fixed mounting in both sides of two support frames 3 has the installation piece, and the top of four installation pieces all sets up threaded hole, and the equal threaded connection in inside of four threaded holes has fastening bolt, through the installation piece that sets up, the support frame 3's of being convenient for installation.

Preferably, the inside interlude of support frame 3 is connected with the strengthening rib, increases the bearing capacity of support frame 3 through the strengthening rib that alternates.

Preferably, a control panel 15 is fixedly mounted on one side of one of the support frames 3, a first stepping motor control switch and a second stepping motor control switch are respectively mounted on the surface of the control panel 15, and the first stepping motor 8 and the second stepping motor 12 are respectively electrically connected with an external power supply through the first stepping motor control switch and the second stepping motor control switch.

When specifically using, the utility model relates to a main ground connection polar plate monitoring elevating gear in colliery sump in pit, when needs are overhauld main ground connection polar plate 2, at first second step motor control switch through control panel 15 surface opens second step motor 12, rotate through second step motor 12 and drive reel 11 and rotate, rotate through reel 11 and drive stay cord 13 winding on reel 11 surface, pull out main ground connection polar plate 2 from sump 1 down, open first step motor 8 through first step motor control switch after that, rotate through first step motor 8 and drive lead screw 6 and rotate, rotate through lead screw 6 and drive slider 9 reciprocating motion, remove main ground connection polar plate 2 of sump 1 inside down to the bank through slider 9 reciprocating motion and inspect and maintain, guarantee main ground connection polar plate 2's normal use.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A main grounding polar plate monitoring lifting device in a coal mine underground water sump comprises an underground water sump (1) and support frames (3), and is characterized in that the support frames (3) are fixedly mounted on two sides of the underground water sump (1), the top ends of the two support frames (3) are fixedly connected with two sides of the bottom end of a transverse rod (4), a groove (5) is formed in the middle of the bottom end of the transverse rod (4), the groove walls on two sides of the groove (5) are alternately connected with a lead screw (6) through an embedded bearing, one end of the lead screw (6) is rotatably connected with an output shaft of a first stepping motor (8), the first stepping motor (8) is fixedly mounted inside a motor box (7), the motor box (7) is fixedly mounted on one side of one support frame (3), a sliding block (9) is connected to the surface of the lead screw (6) in a threaded manner, and a U-shaped block (10) is fixedly mounted at the bottom, the both sides inner wall of U type piece (10) is connected with pivot (14) through inlaying the axle interlude of establishing, the one end second step motor (12) output shaft of pivot (14) rotates the connection, second step motor (12) fixed mounting is in one side of U type piece (10), the surface cover of pivot (14) is equipped with reel (11), the surface winding of reel (11) has stay cord (13), the one end fixed mounting of stay cord (13) has main ground connection polar plate (2), the inside of sump (1) is arranged in down in main ground connection polar plate (2).

2. The coal mine underground water silo main grounding polar plate monitoring lifting device according to claim 1, characterized in that: limiting rings are sleeved on two sides of the reel (11).

3. The coal mine underground water silo main grounding polar plate monitoring lifting device according to claim 1, characterized in that: two equal fixed mounting in both sides of support frame (3) has the installation piece, and the top of four installation pieces all sets up threaded hole, four the equal threaded connection in inside of screw hole has fastening bolt.

4. The coal mine underground water silo main grounding polar plate monitoring lifting device according to claim 1, characterized in that: the inside of support frame (3) alternates and is connected with the strengthening rib.

5. The coal mine underground water silo main grounding polar plate monitoring lifting device according to claim 1, characterized in that: one of them one side fixed mounting of support frame (3) has control panel (15), first step motor control switch and second step motor control switch are installed respectively to the surface of control panel (15), first step motor (8) and second step motor (12) are respectively through first step motor control switch and second step motor control switch and external power supply electric connection.

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