CN210378805U

CN210378805U - Protection switch used in coal mining

Info

Publication number: CN210378805U
Application number: CN201921677571.3U
Authority: CN
Inventors: 冯亮; 梁瑾; 董志明; 王鹏宇; 任伟; 李晓红; 魏瑞彪; 郭璐强; 李韶鹏; 李慧超; 侯利斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-04-21
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to a coal mining technical field just discloses a use protection switch in coal mining, including the mounting panel, the equal fixedly connected with connecting block in the left and right sides on mounting panel surface, two the spout has all been seted up to the relative one side of connecting block, the first slide bar of inside fixedly connected with of spout, the slider has been cup jointed, two to the surface of first slide bar the equal fixedly connected with connecting rod in the relative one side of slider. The utility model discloses a handle promotes the protection casing downstream, the protection casing downstream drives the slider and moves along first slide bar surface downstream to make first reset spring elongate, then the stopper of the protection casing left and right sides contacts with the check lock lever and outwards ejecting with the check lock lever, then under second reset spring's elastic action, the check lock lever resets and locks with the stopper, thereby make the protection casing cover the switch body, avoid this quilt of switch to be bumped by others' mistake, block the effect that the dust carries out the pollution to the switch body simultaneously.

Description

Protection switch used in coal mining

Technical Field

The utility model relates to a coal mining technical field specifically is a use protection switch in coal mining.

Background

Coal mines refer to places rich in coal resources and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. Coal is the most important solid fuel, is one of combustible organic rocks, and can be divided into four types, namely peat, lignite, bituminous coal and anthracite, according to the coal gasification degree. In the coal mining process, a large amount of electrical equipment is needed, so that a switch is needed for control.

The existing switch has some defects in the coal mining use process and needs further improvement, and the existing switch is easily touched in the process of preventing due to the fact that no protective measures are taken in the coal mining use process, so that accidents are caused, meanwhile, the switch is placed for a long time and is easily polluted by dust, and therefore the operation sensitivity of the switch is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problems in the prior art, the utility model provides a use protection switch in the coal mining.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

the protection switch for coal mining comprises a mounting plate, wherein the left side and the right side of the surface of the mounting plate are fixedly connected with connecting blocks, one opposite sides of the two connecting blocks are provided with sliding grooves, a first sliding rod is fixedly connected inside the sliding grooves, the surface of the first sliding rod is sleeved with a sliding block, one opposite side of the two sliding blocks is fixedly connected with a connecting rod, one end, away from the sliding block, of the connecting rod is fixedly connected with a protection cover, the top of the protection cover is fixedly connected with a handle, and the bottoms of the left side and the right side of the protection cover are fixedly connected with limit blocks;

the bottom of the surface of the mounting plate is fixedly connected with a connecting box, the left side and the right side of the inner cavity of the connecting box are both fixedly connected with a partition plate, the side surface of the partition plate is inlaid with a first sleeve, a locking rod is sleeved in the first sleeve, one end of the locking rod is fixedly connected with a fixed plate, one side of the fixed plate, which is far away from the locking rod, is fixedly connected with a first clamping block, the left side surface and the right side surface of the connecting box are both inlaid with a second sleeve, one end of the locking rod, which is far away from the fixed plate, penetrates through the second sleeve and is clamped with a limiting block, the middle part of the inner cavity of the connecting box is fixedly connected with two second sliding rods, the top of the inner wall of the connecting box is fixedly connected with a third sleeve, one end of the third sleeve, which is far away from the inner wall of the, the threaded rod is kept away from the telescopic one end of third and is worn to establish bearing and fixedly connected with adjust knob, the movable block has all been cup jointed on the surface of second slide bar and threaded rod, the equal fixedly connected with second fixture block in the left and right sides of movable block, just second fixture block and first fixture block joint.

In a further embodiment, four mounting holes are formed in the surface of the mounting plate, and the four mounting holes are located at four corners of the mounting plate.

In a further embodiment, a switch body is arranged in the middle of the surface of the mounting plate, and the switch body is located inside the protective cover.

In a further embodiment, a first return spring is fixedly connected between the top of the sliding block and the top of the inner wall of the sliding chute, and the first return spring is sleeved on the surface of the first sliding rod.

In a further embodiment, the movable block is sleeved on the surface of the second slide bar, and the movable block is in threaded connection with the surface of the threaded rod.

In a further embodiment, a snap ring is fixedly sleeved on the surface of the locking rod, a second return spring is fixedly connected between the snap ring and the partition plate, and the second return spring is sleeved on the surface of the locking rod.

(III) advantageous effects

The utility model provides a use protection switch in the coal mining. The method has the following beneficial effects:

(1) the protective switch for coal mining is characterized in that a connecting block, a sliding groove, a first sliding rod, a sliding block, a connecting rod, a protective cover, a handle, a limiting block, a connecting box, a partition plate, a first sleeve, a locking rod, a first reset spring, a clamping ring and a second reset spring are arranged, the protective cover is pushed to move downwards through the handle under the action of the sliding groove, the protective cover is fixedly connected with the sliding block through the connecting rod, the downward movement of the protective cover drives the sliding block to move downwards along the surface of the first sliding rod, so that the first reset spring is stretched, the limiting blocks on the left side and the right side of the protective cover are in contact with the locking rod and push out the locking rod outwards, the locking rod is reset and locked with the limiting block under the elastic action of the second reset spring, the protective cover is fixed, the protective cover covers the switch body, and the switch body is prevented, and simultaneously, the dust is prevented from polluting the switch body.

(2) This is with protection switch in coal mining, through setting up the check lock lever, the fixed plate, first fixture block, the second sleeve, the second slide bar, the third sleeve, the threaded rod, a bearing, adjust knob, movable block and second fixture block, it rotates together to drive the threaded rod through rotating adjust knob, because the movable block cup joints the surface at the second slide bar, and the surperficial threaded connection of movable block and threaded rod, consequently, the rotation of threaded rod drives the movable block and reciprocates, the effect of the second fixture block through the movable block left and right sides and the first fixture block joint of check lock lever one end, make two check lock levers remove to both sides, make check lock lever and stopper no longer joint, and back protection casing is under first reset spring's elastic action, automatic pop-up, expose the switch body, thereby the convenience is operated the switch body.

Drawings

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

fig. 2 is an internal structure schematic diagram of the connection box of the present invention.

[ description of reference ]

In the figure: the device comprises a mounting plate, a connecting block, a sliding groove, a sliding rod, a sliding block, a connecting rod, a protective cover, a handle, a limiting block, a connecting box, a partition plate, a first sleeve, a locking rod, a fixing plate, a first clamping block, a second clamping block, a sleeve, a sliding rod, a limiting block, a connecting box, a partition plate, a first sleeve, a locking rod, a fixing plate, a first clamping block, a second sleeve, a sliding rod, a second clamping block, a threaded rod, a bearing, a regulating knob, a movable block, a second.

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.

As shown in fig. 1-2, the utility model provides a technical solution: a protection switch used in coal mining comprises a mounting plate 1, four mounting holes 24 are formed in the surface of the mounting plate 1, the four mounting holes 24 are positioned at four corners of the mounting plate 1, connecting blocks 2 are fixedly connected to the left side and the right side of the surface of the mounting plate 1, a sliding groove 3 is formed in one side, opposite to the two connecting blocks 2, of the sliding groove 3, a first sliding rod 4 is fixedly connected inside the sliding groove 3, a sliding block 5 is sleeved on the surface of the first sliding rod 4, a first reset spring 26 is fixedly connected between the top of the sliding block 5 and the top of the inner wall of the sliding groove 3, the first reset spring 26 is sleeved on the surface of the first sliding rod 4, a connecting rod 6 is fixedly connected to one side, opposite to the two sliding blocks 5, one end, far away from the sliding block 5, of the connecting rod 6 is fixedly connected with a protective cover 7, a switch body 25 is arranged in the middle, the bottoms of the left and right side surfaces of the protective cover 7 are fixedly connected with limit blocks 9;

the bottom of the surface of the mounting plate 1 is fixedly connected with a connecting box 10, the left side and the right side of the inner cavity of the connecting box 10 are both fixedly connected with a partition plate 11, the side surface of the partition plate 11 is inlaid with a first sleeve 12, a locking rod 13 is sleeved inside the first sleeve 12, a clamping ring 27 is sleeved on the surface of the locking rod 13, a second reset spring 28 is fixedly connected between the clamping ring 27 and the partition plate 11, the second reset spring 28 is sleeved on the surface of the locking rod 13, by arranging a connecting block 2, a sliding groove 3, a first sliding rod 4, a sliding block 5, a connecting rod 6, a protective cover 7, a handle 8, a limiting block 9, the connecting box 10, the partition plate 11, the first sleeve 12, the locking rod 13, a first reset spring 26, the clamping ring 27 and the second reset spring 28, under the action of the sliding groove 3, the protective cover 7 is pushed to move downwards by the handle 8, and because the protective cover 7 is fixedly connected with the sliding block 5 by the connecting rod 6, thereby lengthening the first reset spring 26, then the limit blocks 9 at the left and right sides of the protective cover 7 contact with the locking rod 13 and push out the locking rod 13, then under the elastic action of the second reset spring 28, the locking rod 13 resets and locks with the limit blocks 9, thereby achieving the function of fixing the protective cover 7, therefore, the protective cover 7 covers the switch body 25, the switch body 25 is prevented from being touched by others by mistake, and simultaneously the dust is prevented from polluting the switch body 25, one end of the locking rod 13 is fixedly connected with the fixing plate 14, one side of the fixing plate 14 far away from the locking rod 13 is fixedly connected with the first clamping block 15, the surfaces of the left and right sides of the connecting box 10 are inlaid with the second sleeves 16, one end of the locking rod 13 far away from the fixing plate 14 is penetrated with the second sleeves 16 and is clamped with the limit blocks 9, the middle part of the inner cavity of the connecting box 10 is fixedly connected with, the top of the inner wall of the connecting box 10 is fixedly connected with a third sleeve 18, one end of the third sleeve 18, which is far away from the inner wall of the connecting box 10, is sleeved with a threaded rod 19, the bottom of the connecting box 10 is embedded with a bearing 20, the inner ring of the bearing 20 is fixedly sleeved with the surface of the threaded rod 19, one end of the threaded rod 19, which is far away from the third sleeve 18, is penetrated through the bearing 20 and is fixedly connected with an adjusting knob 21, the surfaces of the second slide bar 17 and the threaded rod 19 are both sleeved with a movable block 22, the movable block 22 is sleeved on the surface of the second slide bar 17, the movable block 22 is in threaded connection with the surface of the threaded rod 19, the left side and the right side of the movable block 22 are both fixedly connected with a second fixture block 23, the second fixture block 23 is clamped with the first fixture block 15, and by arranging a locking rod 13, a fixing plate 14, the first fixture block 15, the second sleeve 16, the second slide bar 17, drive threaded rod 19 through rotating adjust knob 21 and rotate together, because movable block 22 cup joints the surface at second slide bar 17, and movable block 22 and threaded rod 19's surface threaded connection, consequently threaded rod 19's rotation drives movable block 22 and reciprocates, the effect of the second fixture block 23 through the movable block 22 left and right sides and the first fixture block 15 joint of check lock lever 13 one end, make two check lock levers 13 remove to both sides, make check lock lever 13 and stopper 9 no longer the joint, then protection casing 7 is under first reset spring 26's elastic action, automatically, pop up, expose switch body 25, thereby conveniently operate switch body 25.

The working principle is as follows: under the action of the chute 3, the protective cover 7 is pushed to move downwards through the handle 8, as the protective cover 7 is fixedly connected with the sliding block 5 through the connecting rod 6, the protective cover 7 moves downwards to drive the sliding block 5 to move downwards along the surface of the first sliding rod 4, so that the first reset spring 26 is stretched, then the limiting blocks 9 on the left side and the right side of the protective cover 7 are contacted with the locking rod 13 and push out the locking rod 13 outwards, then under the elastic action of the second reset spring 28, the locking rod 13 is reset and locked with the limiting block 9, so as to achieve the effect of fixing the protective cover 7, therefore, the protective cover 7 covers the switch body 25, the switch body 25 is prevented from being touched by others by mistake, meanwhile, the effect of polluting the switch body 25 by dust is prevented, the adjusting knob 21 is rotated to drive the threaded rod 19 to rotate together, and as the movable block 22 is sleeved on the surface, and the surperficial threaded connection of movable block 22 and threaded rod 19, consequently threaded rod 19 rotate and drive movable block 22 and reciprocate, the effect of the first fixture block 15 joint of second fixture block 23 and the check lock lever 13 one end through the movable block 22 left and right sides, make two check lock levers 13 remove to both sides, make check lock lever 13 and stopper 9 no longer joint, then protection casing 7 is under first reset spring 26's elastic action, automatic pop-up, expose switch body 25, thereby conveniently operate switch body 25.

To sum up, the protection switch for coal mining has the advantages that by arranging the connecting block 2, the sliding groove 3, the first sliding rod 4, the sliding block 5, the connecting rod 6, the protective cover 7, the handle 8, the limiting blocks 9, the connecting box 10, the partition board 11, the first sleeve 12, the locking rod 13, the first return spring 26, the snap ring 27 and the second return spring 28, under the action of the sliding groove 3, the protective cover 7 is pushed to move downwards through the handle 8, because the protective cover 7 is fixedly connected with the sliding block 5 through the connecting rod 6, the protective cover 7 moves downwards to drive the sliding block 5 to move downwards along the surface of the first sliding rod 4, so that the first return spring 26 is stretched, then the limiting blocks 9 on the left side and the right side of the protective cover 7 are in contact with the locking rod 13 and push out the locking rod 13, and then under the elastic action of the second return spring 28, the locking rod 13 is reset and locked with the limiting blocks 9, therefore, the protective cover 7 covers the switch body 25, thereby preventing the switch body 25 from being touched by others by mistake and simultaneously preventing dust from polluting the switch body 25.

Meanwhile, by arranging the locking rod 13, the fixing plate 14, the first fixture block 15, the second sleeve 16, the second sliding rod 17, the third sleeve 18, the threaded rod 19, the bearing 20, the adjusting knob 21, the movable block 22 and the second fixture block 23, the threaded rod 19 is driven to rotate together by rotating the adjusting knob 21, because the movable block 22 is sleeved on the surface of the second slide bar 17, and the movable block 22 is in threaded connection with the surface of the threaded rod 19, therefore, the rotation of the threaded rod 19 drives the movable block 22 to move up and down, through the action of the clamping connection between the second clamping blocks 23 at the left and right sides of the movable block 22 and the first clamping block 15 at one end of the locking rod 13, so that the two locking rods 13 move towards two sides, the locking rods 13 are not clamped with the limiting blocks 9, then, the protection cover 7 automatically springs up under the elastic action of the first return spring 26 to expose the switch body 25, thereby facilitating the operation of the switch body 25.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a use protection switch in coal mining, includes mounting panel (1), its characterized in that: the left side and the right side of the surface of the mounting plate (1) are both fixedly connected with connecting blocks (2), one opposite side of each of the two connecting blocks (2) is provided with a sliding groove (3), the inside of each sliding groove (3) is fixedly connected with a first sliding rod (4), the surface of each first sliding rod (4) is sleeved with a sliding block (5), one opposite side of each of the two sliding blocks (5) is fixedly connected with a connecting rod (6), one end, far away from the sliding block (5), of each connecting rod (6) is fixedly connected with a protective cover (7), the top of each protective cover (7) is fixedly connected with a handle (8), and the bottoms of the left side and the right side surfaces of each protective cover (7);

the bottom fixedly connected with connecting box (10) on mounting panel (1) surface, equal fixedly connected with baffle (11) in the left and right sides of connecting box (10) inner chamber, the side of baffle (11) is inlayed and is had first sleeve (12), check lock lever (13) have been cup jointed to the inside of first sleeve (12), the one end fixedly connected with fixed plate (14) of check lock lever (13), one side fixedly connected with first fixture block (15) of check lock lever (13) are kept away from in fixed plate (14), the left and right sides surface of connecting box (10) is all inlayed and is had second sleeve (16), second sleeve (16) are worn to establish and are blocked with stopper (9) to the one end that fixed plate (14) were kept away from in check lock lever (13), two second slide bar (17) of middle part fixedly connected with of connecting box (10) inner chamber, the top fixedly connected with third sleeve (18) of connecting box (10) inner wall, threaded rod (19) has been cup jointed to the one end that connection box (10) inner wall was kept away from in third sleeve (18), inlay the bottom of connecting box (10) and have bearing (20), the inner circle of bearing (20) cup joints with the fixed surface of threaded rod (19), bearing (20) and fixedly connected with adjust knob (21) are worn to establish by the one end that third sleeve (18) was kept away from in threaded rod (19), movable block (22) have all been cup jointed on the surface of second slide bar (17) and threaded rod (19), the equal fixedly connected with second fixture block (23) in both sides about movable block (22), just second fixture block (23) and first fixture block (15) joint.

2. The mining protection switch of claim 1, wherein: four mounting holes (24) have been seted up on the surface of mounting panel (1), and four mounting holes (24) are located four edges of mounting panel (1).

3. The mining protection switch of claim 1, wherein: the middle part on mounting panel (1) surface is provided with switch body (25), just switch body (25) are located the inside of protection casing (7).

4. The mining protection switch of claim 1, wherein: a first return spring (26) is fixedly connected between the top of the sliding block (5) and the top of the inner wall of the sliding groove (3), and the first return spring (26) is sleeved on the surface of the first sliding rod (4).

5. The mining protection switch of claim 1, wherein: the movable block (22) is sleeved on the surface of the second sliding rod (17), and the movable block (22) is in threaded connection with the surface of the threaded rod (19).

6. The mining protection switch of claim 1, wherein: the fixed surface of check lock pole (13) has cup jointed snap ring (27), fixedly connected with second reset spring (28) between snap ring (27) and baffle (11), just second reset spring (28) cup joint on the surface of check lock pole (13).