CN221120068U - Lifting device for underground sensor of coal mine - Google Patents

Abstract

The lifting device of the underground coal mine sensor according to the utility model comprises: the installation foundation comprises a fixed plate, a limiting plate and a plurality of connecting rods, wherein the fixed plate is arranged on the top surface of a roadway, the fixed plate is positioned above the limiting plate, the thickness direction of the limiting plate is in the up-down direction, the connecting rods extend in the up-down direction, and the fixed plate is connected with the limiting plate through the plurality of connecting rods; the pulley blocks are arranged at intervals in the first direction; the driving part comprises a rocking seat and a crank, the rocking seat is arranged on the side wall of the roadway, and the crank is rotatably arranged on the rocking seat; the top of the connecting seat is provided with a plurality of connecting hooks which are arranged at intervals along the first direction; the plurality of sensors are hung at the bottom of the connecting seat and are arranged at intervals along the first direction; a plurality of steel cords. Therefore, the lifting device for the underground coal mine sensor has the advantages of being convenient for driving the sensor to move in the up-down direction and stable in movement.

Description

Lifting device for underground sensor of coal mine

Technical Field

The utility model relates to the technical field of lifting devices, in particular to a lifting device for a coal mine underground sensor.

Background

The hanging of the underground sensor of the coal mine is required to meet the hanging standard of regulations, the heights of a plurality of roadways or roadways at working sites are high, various sensors are required to be hung on a roadway top plate by using hooks, the hanging positions are too high, the sensors are inconvenient to replace and adjust, ascending operation danger exists, two persons are required to be matched for ascending to take off the sensors for ensuring ascending safety, and the working progress is reduced while people are occupied. Some existing simple sensors are hung by an iron wire hook, when the frequency of maintenance and calibration of the sensor is high, the sensor is required to be taken down and climbed up, and meanwhile, the collision rate of the sensor and the top wall is increased, so that the service life of the sensor is greatly reduced.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

To this end, an embodiment of the utility model proposes a sensor lifting device for a coal mine.

According to an embodiment of the utility model, a lifting device for a coal mine underground sensor comprises:

The installation foundation comprises a fixed plate, a limiting plate and a plurality of connecting rods, wherein the fixed plate is arranged on the top surface of a roadway, the fixed plate is positioned above the limiting plate, the thickness direction of the limiting plate is the up-down direction, the connecting rods extend along the up-down direction, the fixed plate is connected with the limiting plate through a plurality of connecting rods, the limiting plate is provided with a plurality of limiting holes penetrating through the limiting plate along the up-down direction, and the limiting holes are arranged at intervals in the first direction;

The pulley blocks are arranged at intervals in the first direction, each pulley block comprises a pulley seat and a pulley, the pulley seat is arranged on the bottom surface of the fixed plate, the pulley is rotatably arranged on the pulley seat, the extending direction of the rotating axis of the pulley is in the second direction, and any two of the first direction, the second direction and the up-down direction are mutually perpendicular;

The driving part comprises a rocking seat and a crank, the rocking seat is arranged on the side wall of the roadway, and the crank is rotatably arranged on the rocking seat;

The connecting seat extends along the first direction, and a plurality of connecting hooks are arranged at the top of the connecting seat at intervals along the first direction;

The sensors are hung at the bottom of the connecting seat, and the sensors are arranged at intervals along the first direction;

The plurality of wire ropes are hung on the plurality of pulleys in a one-to-one correspondence manner, the first end of each wire rope penetrates through the corresponding limiting hole and is connected with one connecting hook, the second end of each wire rope is connected with the crank, and the wire ropes can be pulled to move when the crank rotates.

Therefore, the underground coal mine sensor lifting device has the advantages of being convenient for driving the sensor to move up and down and stable in movement.

In some embodiments, the number of pulley blocks is two;

The number of the limiting holes is two;

The number of the steel wire ropes is two, the two steel wire ropes are correspondingly hung on the two pulleys one by one, and the two steel wire ropes respectively penetrate through the two limiting holes and are connected with the connecting seat.

In some embodiments, the first end of the steel wire rope is provided with a hanging ring, the connecting hook on the connecting seat is hung on the hanging ring, and the connecting hook is an anti-falling hook.

In some embodiments, the connecting seat is provided with a vent hole penetrating through the connecting seat along the second direction.

In some embodiments, the plurality of vent holes is a plurality, and the plurality of vent holes is spaced along the first direction.

The lifting device of the underground coal mine sensor provided by the embodiment of the utility model further comprises the guide wheel, wherein the guide wheel is positioned above the crank, the guide wheel is rotatably arranged on the side wall of the roadway, and the steel wire rope is hung on the guide wheel.

In some embodiments, the top surface of the fixing plate is an upwardly protruding cambered surface, the top surface of the fixing plate is matched with the shape of the top surface of the roadway, and the fixing plate is fixed on the top surface of the roadway through expansion bolts.

In some embodiments, the periphery of the connecting seat is provided with a reflective strip.

In some embodiments, the diameter of the limiting aperture is greater than the outer diameter of the coupling hook.

In some embodiments, the crank is provided with a plurality of wire slots, and the second ends of the plurality of wire ropes are respectively positioned in the plurality of wire slots;

The crank is provided with a ratchet wheel, and the cradle is provided with a pawl matched with the ratchet wheel.

Drawings

FIG. 1 is a schematic diagram of a downhole sensor lifting device for a coal mine according to an embodiment of the utility model.

Fig. 2 is a schematic illustration of a mounting base according to an embodiment of the utility model.

Fig. 3 is a schematic view of a connection socket according to an embodiment of the present utility model.

Reference numerals:

the installation base 1, the fixed plate 11, the limiting plate 12, the connecting rod 13 and the limiting hole 14;

Pulley block 2, pulley seat 21, pulley 22;

cradle 3, crank 31, ratchet 32;

a connecting seat 4, a connecting hook 41 and a vent hole 42;

A sensor 5;

A wire rope 6, a hanging ring 61;

and a guide wheel 7.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The following describes a sensor lifting device for a coal mine underground according to an embodiment of the present utility model with reference to the accompanying drawings. As shown in fig. 1 to 3, the sensor lifting device for a coal mine according to an embodiment of the present utility model includes a mounting base 1, a plurality of pulley blocks 2, a driving part, a connection base 4, a plurality of sensors 5, and a plurality of wire ropes 6.

The mounting base 1 includes a fixing plate 11, a limiting plate 12, and a plurality of connecting rods 13. The fixed plate 11 is arranged on the top surface of the roadway, the fixed plate 11 is arranged above the limiting plate 12, the thickness direction of the limiting plate 12 is the up-down direction, and the connecting rod 13 extends along the up-down direction. The fixing plate 11 is connected with the limiting plate 12 through a plurality of connecting rods 13, the limiting plate 12 is provided with a plurality of limiting holes 14 penetrating through the limiting plate in the vertical direction, and the plurality of limiting holes 14 are arranged at intervals in the first direction. For example, the number of the connection bars 13 is four.

The plurality of pulley blocks 2 are arranged at intervals in the first direction, and the pulley blocks 2 include pulley holders 21 and pulleys 22. The pulley seat 21 is provided on the bottom surface of the fixed plate 11, the pulley 22 is rotatably provided on the pulley seat 21, the extending direction of the rotation axis of the pulley 22 is a second direction, and any two of the first direction, the second direction and the up-down direction are perpendicular to each other. The first direction is consistent with the width direction of the roadway, and the second direction is consistent with the extending direction of the roadway. The first direction may be a left-right direction, and the second direction may be a front direction, the left-right direction and the up-down direction being indicated by arrows in the figure. For example, the plurality of limiting holes 14 are provided at intervals in the left-right direction, the plurality of pulley blocks 2 are provided at intervals in the left-right direction, and the extending direction of the rotation axis of the pulley 22 is the front-rear direction. The plurality of pulley blocks 2 are located above the plurality of limiting holes 14.

The driving part comprises a rocking seat 3 and a rocking handle 31, the rocking seat 3 is arranged on the side wall of the roadway, and the rocking handle 31 is rotatably arranged on the rocking seat 3. The connection base 4 extends along a first direction, and a plurality of connection hooks 41 are arranged at intervals along the first direction at the top of the connection base 4. The plurality of sensors 5 are hung at the bottom of the connecting seat 4, and the plurality of sensors 5 are arranged at intervals along the first direction. Specifically, the sensor 5 is used for measuring wind, and the sensor 5 is hung at the bottom of the connecting seat 4 through a seat body on the sensor 5. For example, the connection base 4 extends in the left-right direction, and the top of the connection base 4 is provided with a plurality of connection hooks 41 arranged at intervals in the left-right direction. The plurality of sensors 5 are arranged at intervals in the left-right direction. The sensor 5 is used for measuring wind, and the sensor 5 is hung at the bottom of the connecting seat 4 through a seat body on the sensor 5.

The plurality of steel wire ropes 6 are correspondingly hung on the plurality of pulleys 22 one by one, the first end part of each steel wire rope 6 passes through the corresponding limiting hole 14 and is connected with one connecting hook 41, the second end part of each steel wire rope 6 is connected with the crank 31, and the crank 31 can pull the steel wire ropes 6 to move when rotating.

According to the lifting device for the underground coal mine sensor, when the crank 31 rotates, the plurality of steel wire ropes 6 can be pulled, so that the connecting seat 4 can move in the up-down direction, and the plurality of sensors 5 are driven to move in the up-down direction. And the number of the steel wire ropes 6 is multiple, and the plurality of the steel wire ropes 6 are correspondingly hung on the plurality of pulleys 22 one by one, so that the plurality of the steel wire ropes 6 are connected with the connecting seat 4, and the connecting seat 4 can be kept stable conveniently. And the spacing hole 14 can carry out spacing to wire rope 6 to connecting seat 4 reciprocates more steadily, and then can make a plurality of sensors 5 (remove or during operation) more stably, in order to improve measurement accuracy's advantage. When the sensor 5 is overhauled, maintained or replaced daily, the crank 31 can be rotated to drive the steel wire rope 6 to move, so that the sensor 5 is controlled to ascend or descend, and subsequent maintenance operation can be performed.

Therefore, the underground coal mine sensor lifting device has the advantages of being convenient for driving the sensor 5 to move in the up-down direction and stable in movement.

As shown in fig. 1, in some embodiments, the number of pulley blocks 2 is two, the number of limiting holes 14 is two, and the number of wire ropes 6 is two. The two steel wire ropes 6 are hung on the two pulleys 22 in a one-to-one correspondence manner, and the two steel wire ropes 6 respectively pass through the two limiting holes 14 and are connected with the connecting seat 4. Specifically, the upper end of the connecting seat 4 adopts a two-point fixing mode, so that the situation that the sensor 5 is inclined due to different weights of the sensor 5 can be prevented.

As shown in fig. 3, in some embodiments, the first end of the wire rope 6 is provided with a hanging ring 61, and the connecting hook 41 on the connecting seat 4 is hung on the hanging ring 61, and the connecting hook 41 is an anti-falling hook. Thereby can make connecting seat 4 detachably link to each other with wire rope 6, anticreep couple can prevent that connecting seat 4 from dropping from wire rope 6, and the recovery of being convenient for connecting seat 4 is demolishd to do not influence the large-scale equipment vehicle and pass through.

As shown in fig. 3, in some embodiments, the connecting seat 4 is provided with a vent hole 42 extending therethrough in the second direction. Specifically, the connection base 4 is made of lightweight steel, and is perforated (vent hole 42) throughout itself. In the place with large underground air quantity, the ventilation holes 42 are used for passing wind, so that the acting force of wind flow on the connecting seat 4 is reduced, and the shaking of the connecting seat 4 is reduced. For example, the vent hole 42 penetrates the connection base 4 in the front direction.

As shown in fig. 3, in some embodiments, the vent holes 42 are a plurality of vent holes 42 spaced apart along the first direction. For example, the vent hole 42 is a circular hole, and a plurality of vent holes 42 are provided at intervals in the left-right direction.

As shown in fig. 1, the lifting device for the underground coal mine sensor according to the embodiment of the utility model further comprises a guide wheel 7, wherein the guide wheel 7 is positioned above the crank 31, the guide wheel 7 is rotatably arranged on the side wall of a roadway, and the steel wire rope 6 is hung on the guide wheel 7.

As shown in fig. 2, in some embodiments, the top surface of the fixing plate 11 is an upwardly convex arc surface, the top surface of the fixing plate 11 is adapted to the shape of the top surface of the roadway, and the fixing plate 11 is fixed on the top surface of the roadway by expansion bolts.

In some embodiments, the peripheral side of the connection seat 4 is provided with reflective strips. Specifically, the frame around connecting seat 4 is furnished with the reflection of light strip, can play the warning effect.

In some embodiments, the diameter of the limiting aperture 14 is greater than the outer diameter of the coupling hook 41. Therefore, when the sensor 5 works for wind measurement, the connecting hooks 41 on the connecting seat 4 enter the limiting holes 14, and the connecting seat 4 abuts against the limiting plate 12, so that a stable measurement basis is provided for the sensor 5.

In some embodiments, the crank 31 is provided with a plurality of wire grooves, and the second ends of the plurality of wire ropes 6 are respectively positioned in the plurality of wire grooves, so that the wire ropes 6 can be prevented from interfering with each other.

As shown in fig. 1, a ratchet wheel 32 is arranged on the crank 31, and a pawl matched with the ratchet wheel 32 is arranged on the crank base 3. The ratchet wheel 32 and the pawl cooperate to unidirectionally limit the rotation direction of the crank 31, so that the sensor 5 is prevented from sliding down after being mounted.

In the description of the present utility model, it should 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A downhole sensor lifting device for a coal mine, comprising:

The installation foundation comprises a fixed plate, a limiting plate and a plurality of connecting rods, wherein the fixed plate is arranged on the top surface of a roadway, the fixed plate is positioned above the limiting plate, the thickness direction of the limiting plate is the up-down direction, the connecting rods extend along the up-down direction, the fixed plate is connected with the limiting plate through a plurality of connecting rods, the limiting plate is provided with a plurality of limiting holes penetrating through the limiting plate along the up-down direction, and the limiting holes are arranged at intervals in the first direction;

The pulley blocks are arranged at intervals in the first direction, each pulley block comprises a pulley seat and a pulley, the pulley seat is arranged on the bottom surface of the fixed plate, the pulley is rotatably arranged on the pulley seat, the extending direction of the rotating axis of the pulley is in the second direction, and any two of the first direction, the second direction and the up-down direction are mutually perpendicular;

The driving part comprises a rocking seat and a crank, the rocking seat is arranged on the side wall of the roadway, and the crank is rotatably arranged on the rocking seat;

The connecting seat extends along the first direction, and a plurality of connecting hooks are arranged at the top of the connecting seat at intervals along the first direction;

The sensors are hung at the bottom of the connecting seat, and the sensors are arranged at intervals along the first direction;

The plurality of wire ropes are hung on the plurality of pulleys in a one-to-one correspondence manner, the first end of each wire rope penetrates through the corresponding limiting hole and is connected with one connecting hook, the second end of each wire rope is connected with the crank, and the wire ropes can be pulled to move when the crank rotates.

2. The underground coal mine sensor elevating apparatus according to claim 1,

The number of the pulley blocks is two;

The number of the limiting holes is two;

The number of the steel wire ropes is two, the two steel wire ropes are correspondingly hung on the two pulleys one by one, and the two steel wire ropes respectively penetrate through the two limiting holes and are connected with the connecting seat.

3. The underground coal mine sensor lifting device according to claim 1, wherein the first end of the steel wire rope is provided with a hanging ring, a connecting hook on the connecting seat is hung on the hanging ring, and the connecting hook is an anti-falling hook.

4. The underground coal mine sensor lifting device of claim 1, wherein the connecting seat is provided with a vent hole penetrating through the connecting seat along the second direction.

5. The downhole sensor elevating apparatus of claim 4, wherein said plurality of ventilation holes are spaced apart along said first direction.

6. The underground coal mine sensor lifting device according to claim 1, further comprising a guide wheel, wherein the guide wheel is located above the crank, the guide wheel is rotatably arranged on the side wall of the roadway, and the steel wire rope is hung on the guide wheel.

7. The underground coal mine sensor lifting device according to claim 1, wherein the top surface of the fixing plate is an upward protruding cambered surface, the top surface of the fixing plate is matched with the shape of the top surface of the roadway, and the fixing plate is fixed on the top surface of the roadway through expansion bolts.

8. The underground coal mine sensor lifting device of claim 1, wherein the periphery of the connecting seat is provided with a reflective strip.

9. The downhole sensor elevating apparatus of claim 1, wherein the diameter of the limiting hole is greater than the outer diameter of the connecting hook.

10. The downhole sensor hoist device for coal mine of any of claims 1-9,

The crank is provided with a plurality of wire grooves, and the second ends of the plurality of steel wire ropes are respectively positioned in the plurality of wire grooves;

The crank is provided with a ratchet wheel, and the cradle is provided with a pawl matched with the ratchet wheel.