CN113202908A

CN113202908A - Adjusting device for chain of coal mine elevator

Info

Publication number: CN113202908A
Application number: CN202110351190.1A
Authority: CN
Inventors: 刘艳侠
Original assignee: Individual
Current assignee: Longde Shenmu County Mining Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-08-03
Anticipated expiration: 2041-03-31
Also published as: CN113202908B

Abstract

The invention discloses an adjusting device for a chain of a coal mine elevator, which comprises a bottom plate, wherein a mounting plate is horizontally and slidably connected above the bottom plate through a fixing component, an upper chute is formed in the middle of the bottom wall of the mounting plate, a lifting component used for controlling the height of the mounting plate is arranged between the upper chute and the bottom plate, a pair of fixing blocks is fixedly connected to two ends of the top wall of the mounting plate, a pair of threaded rods is rotatably connected between the two fixing blocks, the two threaded rods are parallel to each other, and the mounting blocks are sleeved on the two threaded rods in a threaded manner. According to the invention, the ends of the two support rods are driven to approach each other by rotating the second rotating rod, so that the upper ends of the two support rods push the mounting plate to rise, thereby adjusting the height of the chain wheel, and the position of the mounting block is adjusted by rotating the threaded rod, thereby moving the chain wheel, and further adjusting the tightness of the transmission chain.

Description

Adjusting device for chain of coal mine elevator

Technical Field

The invention relates to the technical field of coal mine production equipment, in particular to an adjusting device for a chain of a coal mine elevator.

Background

Coal mines are areas where people mine coal resources in coal-rich mining areas, and most of coal mines belong to underground coal mines, when the coal seam is far away from the ground surface, a roadway is generally selected to be excavated towards the underground, so that the underground coal mines are obtained.

The well worker colliery needs various lifts at the during operation, because the chain rotates and to be applicable to abominable environment, therefore the lift adopts the sprocket to drive the chain and carries out the driven usually, and the sprocket height of the lift meshing chain in current colliery mine is fixed usually, thereby inconvenient regulation when needing the regulation sprocket height, and the inconvenient rate of tension of adjusting the chain of current sprocket, thereby sprocket and chain are in the use, bear a burden for a long time, lead to its sprocket position to take place the skew, lead to the chain not hard up, thereby seriously influence the use of lift.

Disclosure of Invention

The invention aims to solve the defects that the height of a chain wheel in a lifter cannot be adjusted and the tension degree of a chain cannot be adjusted conveniently by the conventional chain wheel in the prior art, and provides an adjusting device for a chain of a coal mine lifter.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a coal mine lift adjusting device for chain, includes the bottom plate, there is the mounting panel bottom plate top through fixed part horizontal sliding connection, the spout has been seted up at mounting panel diapire middle part, it is equipped with the elevating part who is used for controlling the mounting panel height to go up between spout and the bottom plate, a pair of fixed block of mounting panel roof both ends fixedly connected with, two rotate between the fixed block and be connected with a pair of threaded rod, two the threaded rod is parallel to each other, two equal thread bush is equipped with the installation piece on the threaded rod, two the installation piece is in same water flat line, and lower terminal surface all with mounting panel terminal surface sliding connection, two rotate between the installation piece and be connected with an installation pole, fixed cover is equipped with the sprocket on the installation pole, two the threaded rod tip all is equipped with and is used for driving threaded rod pivoted drive assembly.

Preferably, the fixing part comprises four guide rods, the lower ends of the four guide rods are respectively and fixedly connected to four corners of the bottom plate, and the mounting plate is horizontally sleeved on the four guide rods in a sliding manner.

Preferably, the lifting unit includes the mounting bar, the mounting bar up end has been seted up down the spout, and is located under the spout, sliding connection has a pair of lower slider in the spout down, it inlays and is equipped with a pair of slider to go up to slide in the spout, it is equipped with a pair of middle part mutual articulated bracing piece, two to go up to be equipped with between spout and the lower spout the upper end of the support bar respectively with two the slider is articulated, and the lower extreme respectively with two the lower slider is articulated each other, be equipped with in the spout down and be used for adjusting two the regulating unit of distance between the slider down.

Preferably, the driving part comprises a first rotating rod, one end of the first rotating rod is connected with one of the fixed blocks in a rotating mode, a worm sleeve is fixedly arranged on the first rotating rod in a fixing mode, a worm wheel is fixedly arranged on the threaded rod in a fixing mode, and the worm wheel is connected with the worm sleeve in a meshing mode.

Preferably, the regulating part includes second bull stick and motor, the second bull stick rotates to be connected under in the spout, reverse opposite screw thread, two have been seted up at second bull stick middle part both ends the threaded sleeve is respectively established at the both ends of second bull stick to lower slider, and lateral wall and lower spout cell wall sliding connection, motor fixed connection is on the bottom plate, and is located the one end of spout down, the one end that the second bull stick is close to the motor is worn out down the spout tip, and is connected with motor output shaft rotation through transmission part.

Preferably, the transmission component comprises a pair of bevel gears, and the two bevel gears are respectively fixedly sleeved on the end part of the second rotating rod and the output shaft of the motor and are meshed with each other.

Preferably, the other end of the first rotating rod is rotatably sleeved with a supporting block, the lower end of the supporting block is fixedly connected with the mounting plate, and the outer wall of the threaded rod is rotatably connected with the supporting block.

Preferably, a plurality of rotating grooves are formed in the lower end of the mounting block, rotating wheels are rotatably mounted in the rotating grooves through fixing rods, the bottoms of the rotating wheels are in rolling contact with the mounting plate, and the rotating direction is the same as the moving direction of the mounting block.

Preferably, a limiting rod is fixedly connected between two ends of the upper chute, and the upper sliding block is sleeved on the limiting rod in a sliding manner.

Preferably, a plurality of grooves are set up to inlay in the upper slider inner wall, and are a plurality of inlay and establish groove evenly distributed on the inner wall of upper slider, and all roll and inlay and be equipped with the ball, it is a plurality of the ball all with gag lever post lateral wall rolling contact.

Compared with the prior art, the invention has the beneficial effects that:

1. when using the device, at first fix the bottom plate on the lift, when needs adjusting sprocket height, at first through starter motor, thereby motor output shaft passes through drive disk assembly and drives the second bull stick rotation, when the second bull stick rotated, two lower sliders can't rotate under the limiting displacement of spout down, thereby can only the horizontal direction removes, because of set up opposite direction's screw thread on the first bull stick, thereby two lower sliders will draw close each other, and then two lower sliders will drive two bracing piece lower extremes and draw close each other, because of two bracing piece middle parts are articulated each other, thereby when its lower tip draws close, the upper end will also draw close, thereby will promote the mounting panel and rise, thereby make the mounting block rise, and then mounting bar and sprocket will also rise, thereby just adjust the sprocket height through rotating the second bull stick.

2. After using for a long time, when the driving chain takes place not hard up, the user rotates two threaded rods through using two drive assembly, make the threaded rod rotate, because installation piece thread bush is established on the threaded rod, and its lower terminal surface and mounting panel up end sliding connection, thereby when rotating the threaded rod, the installation piece has been restricted by the mounting panel and has rotated, thereby make the installation piece can only the horizontal direction remove, and then make the installation pole of rotating the connection between two installation pieces remove, the installation pole drives the sprocket and removes, the sprocket removes, thereby make originally not hard up chain taut by the sprocket, thereby the user only need rotate two threaded rods and just can adjust the installation piece, and then adjusted the elasticity of driving chain.

Drawings

Fig. 1 is a schematic sectional view of a front view of an adjusting device for a chain of a coal mine hoist according to the present invention;

FIG. 2 is a schematic top sectional view of the mounting plate of the adjusting device for the chain of the elevator for the coal mine according to the present invention;

FIG. 3 is a schematic top sectional view of the adjusting device for the chain of the elevator for the coal mine provided by the present invention;

fig. 4 is a partially enlarged structural diagram of a in fig. 1.

In the figure: the device comprises a base plate 1, a guide rod 2, a mounting plate 3, a fixing block 4, a threaded rod 5, a mounting block 6, a mounting rod 7, a supporting block 8, a first rotating rod 9, a worm sleeve 10, a worm wheel 11, an upper sliding groove 12, a mounting strip 13, a lower sliding groove 14, a supporting rod 15, a lower sliding block 16, an upper sliding block 17, a second rotating rod 18, a limiting rod 19, a motor 20, a bevel gear 21, a rotating handle 22, a rotating wheel 23 and a chain wheel 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, an adjusting device for a chain of a coal mine elevator comprises a bottom plate 1, a mounting plate 3 is horizontally connected above the bottom plate 1 in a sliding manner through a fixing part, an upper sliding chute 12 is arranged in the middle of the bottom wall of the mounting plate 3, a lifting part for controlling the height of the mounting plate 3 is arranged between the upper sliding chute 12 and the bottom plate 1, the lifting part comprises a mounting bar 13, a lower sliding chute 14 is arranged on the upper end surface of the mounting bar 13 and is positioned under the upper sliding chute 12, a pair of lower sliding blocks 16 are slidably connected in the lower sliding chute 14, a pair of upper sliding blocks 17 are slidably embedded in the upper sliding chute 12, a pair of supporting rods 15 with middle parts hinged with each other are arranged between the upper sliding chute 12 and the lower sliding chute 14, the upper ends of the two supporting rods 15 are respectively hinged with the two upper sliding blocks 17, the lower ends are respectively hinged with, 3 roof both ends fixedly connected with of mounting panel a pair of fixed block 4, it is connected with a pair of threaded rod 5 to rotate between two fixed blocks 4, two threaded rods 5 are parallel to each other, equal thread bush is equipped with installation piece 6 on two threaded rods 5, two installation pieces 6 are in same water flat line, and terminal surface all with mounting panel 3 under terminal surface sliding connection down, it is connected with an installation pole 7 to rotate between two installation pieces 6, fixed cover is equipped with sprocket 24 on the

installation pole

7, 5 tip of two threaded rods all are equipped with and are used for driving 5 pivoted driver part of threaded rod.

In the invention, when the device is used, firstly, the bottom plate 1 is fixed on the lifter, when the height of the chain wheel 24 needs to be adjusted, firstly, the motor 20 is started, so that the output shaft of the motor 20 drives the second rotating rod 18 to rotate through the transmission part, when the second rotating rod 18 rotates, the two lower sliders 16 cannot rotate under the limiting action of the lower chute 14, and therefore, the two lower sliders can only move in the horizontal direction, because the first rotating rod 9 is provided with threads in opposite directions, the two lower sliders 16 are drawn close to each other, and further, the two lower sliders 16 drive the lower ends of the two supporting rods 15 to be drawn close to each other, because the middle parts of the two supporting rods 15 are hinged to each other, when the lower ends of the two supporting rods are drawn close to each other, the upper end of the two supporting rods also draws close to each other, so that the mounting plate 3 is pushed to be lifted, the mounting block 6 is lifted, further, the mounting rod 7 and the chain wheel 24 are lifted, and the height of the chain wheel 24 is adjusted by rotating the second rotating rod 18, after using for a long time, when the driving chain takes place not hard up, the user rotates two threaded rods 5 through using two drive assembly, make threaded rod 5 rotate, because 6 threaded sleeves of installation piece are established on threaded rod 5, and its lower terminal surface and 3 up end sliding connection of mounting panel, thereby when rotating threaded rod 5, installation piece 6 has been restricted by mounting panel 3 and has rotated, thereby make installation piece 6 can the horizontal direction removal only, and then make and rotate the installation pole 7 of connecting between two installation pieces 6 and remove, installation pole 7 drives sprocket 24 and removes, sprocket 24 removes, thereby make originally not hard up chain taut by sprocket 24, thereby the user only need rotate two threaded rods 5 and just can adjust installation piece 6, and then the elasticity of driving chain has been adjusted.

According to the preferred technical scheme in the embodiment, the fixing part comprises four guide rods 2, the lower ends of the four guide rods 2 are respectively and fixedly connected to the four corners of the bottom plate 1, the mounting plate 3 is horizontally sleeved on the four guide rods 2 in a sliding mode, and the guide rods 2 play a role in fixing the mounting plate 3, so that the mounting plate 3 cannot be overturned or deflected when ascending or descending.

According to the preferable technical scheme in the embodiment, the driving part comprises a first rotating rod 9, one end of the first rotating rod 9 is rotatably connected with one of the fixing blocks 4, a worm sleeve 10 is fixedly sleeved on the first rotating rod 9, a worm wheel 11 is fixedly sleeved on the threaded rod 5, and the worm wheel 11 is meshed with the worm sleeve 10, so that the worm wheel 11 can drive the threaded rod 5 to rotate by rotating the worm sleeve 10, and the driving part has the characteristic of one-way transmission, and the threaded rod 5 cannot rotate when being subjected to external force.

In the preferred technical scheme of this embodiment, the adjusting part includes second rotating rod 18 and motor 20, second rotating rod 18 rotates and is connected in lower chute 14, reverse opposite screw threads are provided at two ends of the middle part of second rotating rod 18, two lower sliding blocks 16 are respectively threaded at two ends of second rotating rod 18, and the side wall is connected with the wall of lower chute 14 in a sliding manner, motor 20 is fixedly connected to bottom plate 1 and is located at one end of lower chute 14, one end of second rotating rod 18 close to motor 20 penetrates out of the end part of lower chute 14, and is connected with the output shaft of motor 20 through a transmission part in a rotating manner, second rotating rod 18 is driven to rotate through motor 20, and lower sliding block 16 is limited by lower chute 14 to rotate, when second rotating rod 18 rotates, two lower sliding blocks 16 can be drawn close to each other or be kept away from each other, thereby controlling the end parts of two supporting rods 15 to be drawn close to each other and kept away from each other.

In the preferred technical scheme of this embodiment, the transmission part includes a pair of bevel gears 21, and two bevel gears 21 are respectively fixed to be established on second bull stick 18 tip and motor 20 output shaft, and intermeshing connects through two bevel gears 21 meshing for motor 20 output shaft can drive second bull stick 18 and rotate, has played the effect of transmission power.

According to the preferable technical scheme in the embodiment, the other end of the first rotating rod 9 is rotatably sleeved with the supporting block 8, the lower end of the supporting block 8 is fixedly connected with the mounting plate 3, the outer wall of the threaded rod 5 is rotatably connected with the supporting block 8, and the supporting block 8 plays a role in assisting the fixing block 4 to fix the first rotating rod 9.

According to the preferable technical scheme in the embodiment, the lower end of the mounting block 6 is provided with the plurality of rotating grooves, the rotating wheels 23 are rotatably mounted in the rotating grooves through the fixing rods, the bottoms of the plurality of rotating wheels 23 are in rolling contact with the mounting plate 3, and the rotating direction is the same as the moving direction of the mounting block 6, so that the sliding friction between the original mounting block 6 and the mounting plate 3 can be changed into rolling friction, and the resistance when the mounting block 6 moves is reduced.

According to the preferable technical scheme in the embodiment, the limiting rod 19 is fixedly connected between the two ends of the upper chute 12, the two upper sliding blocks 17 are sleeved on the limiting rod 19 in a sliding mode, the limiting rod 19 plays a role in fixing the upper sliding blocks 17 in the upper chute 12, and the upper sliding blocks 17 are prevented from being separated from the upper chute 12.

According to the preferable technical scheme in the embodiment, the inner wall of the upper sliding block 17 is provided with a plurality of embedding grooves, the plurality of embedding grooves are evenly distributed on the inner wall of the upper sliding block 17 and are all embedded with balls in a rolling manner, and the plurality of balls are all in rolling contact with the side wall of the limiting rod 19, so that the sliding friction between the original upper sliding block 17 and the limiting rod 19 can be changed into rolling friction, and the upper sliding block 17 can slide on the limiting rod 19 more easily.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The adjusting device for the chain of the coal mine elevator comprises a bottom plate (1) and is characterized in that a mounting plate (3) is horizontally and slidably connected above the bottom plate (1) through a fixing part, an upper chute (12) is formed in the middle of the bottom wall of the mounting plate (3), a lifting part for controlling the height of the mounting plate (3) is arranged between the upper chute (12) and the bottom plate (1), a pair of fixing blocks (4) is fixedly connected to two ends of the top wall of the mounting plate (3), a pair of threaded rods (5) are rotatably connected between the two fixing blocks (4), the two threaded rods (5) are parallel to each other, mounting blocks (6) are respectively sleeved on the two threaded rods (5) in a threaded manner, the two mounting blocks (6) are positioned on the same horizontal line, the lower end faces of the two mounting blocks are both slidably connected with the lower end faces of the mounting plate (3), and a mounting rod (7) is rotatably connected between the two mounting blocks (6), the mounting device is characterized in that a chain wheel (24) is fixedly arranged on the mounting rod (7), two chain wheels (5) are arranged at the end parts of the screw rods (5) and are used for driving the screw rods (5) to rotate, each fixing part comprises four guide rods (2) and four lower ends of the guide rods (2) are fixedly connected with four corners of the bottom plate (1), the mounting plate (3) is horizontally slidably arranged on the four guide rods (2), each lifting part comprises a mounting bar (13), a lower sliding groove (14) is formed in the upper end surface of the mounting bar (13) and is positioned under the upper sliding groove (12), a pair of lower sliding blocks (16) are slidably connected in the lower sliding groove (14), a pair of upper sliding blocks (17) are slidably embedded in the upper sliding groove (12), a pair of supporting rods (15) with middle parts hinged with each other are arranged between the upper sliding groove (12) and the lower sliding groove (14), and the upper ends of the supporting rods (15) are hinged with the upper sliding blocks (17) respectively, and the lower end is respectively hinged with the two lower sliding blocks (16), and an adjusting component for adjusting the distance between the two lower sliding blocks (16) is arranged in the lower sliding chute (14).

2. The adjusting device for the chain of the coal mine hoist as claimed in claim 1, characterized in that the driving part comprises a first rotating rod (9), one end of the first rotating rod (9) is rotatably connected with one of the fixed blocks (4), a worm sleeve (10) is fixedly sleeved on the first rotating rod (9), a worm wheel (11) is fixedly sleeved on the threaded rod (5), and the worm wheel (11) is meshed with the worm sleeve (10).

3. The adjusting device for the coal mine elevator chain as claimed in claim 1, wherein the adjusting component comprises a second rotating rod (18) and a motor (20), the second rotating rod (18) is rotatably connected in the lower chute (14), opposite screw threads are formed at two ends of the middle part of the second rotating rod (18), two lower sliding blocks (16) are respectively sleeved at two ends of the second rotating rod (18) in a threaded manner, the side wall of each lower sliding block is slidably connected with the wall of the lower chute (14), the motor (20) is fixedly connected to the base plate (1) and located at one end of the lower chute (14), and one end of the second rotating rod (18) close to the motor (20) penetrates through the end part of the lower chute (14) and is rotatably connected with an output shaft of the motor (20) through a transmission component.

4. The adjusting device for the chain of the mine hoist in the coal mine as claimed in claim 3, wherein the transmission member comprises a pair of bevel gears (21), and the two bevel gears (21) are respectively fixedly sleeved on the end of the second rotating rod (18) and the output shaft of the motor (20) and are meshed with each other.

5. The adjusting device for the chain of the coal mine hoist as claimed in claim 2, characterized in that the other end of the first rotating rod (9) is rotatably sleeved with a supporting block (8), the lower end of the supporting block (8) is fixedly connected with the mounting plate (3), and the outer wall of the threaded rod (5) is rotatably connected with the supporting block (8).

6. The adjusting device for the chain of the mine hoist in the coal mine as claimed in claim 1, wherein the lower end of the mounting block (6) is provided with a plurality of rotating grooves, rotating wheels (23) are rotatably mounted in the rotating grooves through fixed rods, the bottoms of the plurality of rotating wheels (23) are in rolling contact with the mounting plate (3), and the rotating direction is the same as the moving direction of the mounting block (6).

7. The adjusting device for the coal mine elevator chain as claimed in claim 1, wherein a limiting rod (19) is fixedly connected between two ends of the upper chute (12), and both of the upper sliding blocks (17) are slidably sleeved on the limiting rod (19).

8. The adjusting device for the coal mine elevator chain as claimed in claim 7, wherein the inner wall of the upper slide block (17) is provided with a plurality of embedding grooves, the embedding grooves are uniformly distributed on the inner wall of the upper slide block (17) and are all embedded with balls in a rolling manner, and the balls are all in rolling contact with the side wall of the limiting rod (19).