CN219431863U - Supporting device for coal mine - Google Patents

Abstract

The utility model discloses a supporting device for a coal mine, which comprises an arc-shaped frame, wherein the top of the arc-shaped frame is provided with a plurality of placing grooves, the bottom of the inner wall of each placing groove is fixedly connected with a pressure detector, the top of each pressure detector is fixedly connected with a pressure spring, and the top of each pressure spring is movably connected with a first oil pressure cylinder. According to the utility model, an operator starts the motor to drive the threaded rod to rotate, so that the arc-shaped frame moves upwards, then drives the first oil hydraulic cylinder and the support plate to move upwards, when the top of the support plate is about to touch the top of the coal mine tunnel, the motor is stopped, then the operator starts the first oil hydraulic cylinder to extend, and further drives the support plate to move upwards, and as each support plate is independent, the support plate can be attached to the top of the coal mine tunnel in a large area no matter whether the top of the coal mine tunnel is in a regular arc shape or a rectangular shape or irregular shape, so that the support effect is improved.

Description

Supporting device for coal mine

Technical Field

The utility model belongs to the technical field of coal mine supporting structures, and particularly relates to a supporting device for a coal mine.

Background

The coal mine is a workplace for mining coal resources, and a supporting device is required to support the top of a roadway in the coal tunneling process so as to ensure the safe working environment of workers.

The traditional coal mine supporting device adopts a lifting assembly to jack up an integral supporting frame to be attached to the top of a roadway, so that the purpose of protection is achieved, for example, patent number ZL202022884375.2, patent number ZL202121306848.9, patent number ZL202022497396.9 and the like, but in practical application, the top of a part of coal mine roadway is not in a regular plane or arc shape, but in an irregular shape, for example, part of the coal mine roadway is convex, and part of the coal mine roadway is concave, so that the integral supporting frame can not be attached to the top of the roadway in a large area sometimes, and the phenomenon of poor supporting effect is caused, and therefore, the coal mine supporting device needs to be designed and modified, and the phenomenon of poor supporting effect caused by the fact that the top of the coal mine roadway is not in a regular plane or arc shape is effectively prevented.

Disclosure of Invention

The utility model mainly aims to provide a supporting device for a coal mine, which solves the problem that the supporting effect is poor due to the fact that the existing coal mine supporting structure is completely attached to a mine roof.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a supporting device for colliery, includes the arc frame, the top of arc frame is provided with the standing groove, and the quantity of standing groove is a plurality of, and the bottom fixedly connected with pressure detector of standing groove inner wall, the top fixedly connected with pressure spring of pressure detector, the first oil pressure jar of top swing joint of pressure spring, the top of first oil pressure jar articulates there is the backplate, and articulates there is the extension spring between two backplate, equal swing joint has the threaded rod all around of arc frame bottom, all be provided with the sleeve all around of arc frame bottom, telescopic inside fixedly connected with swivel nut, swivel nut and threaded rod threaded connection, the bottom fixedly connected with motor of threaded rod, the both sides of sleeve inner wall all are provided with the spout, and the inside swing joint of spout has the slider, slider and motor fixedly connected with, one side fixedly connected with second oil pressure jar of arc frame is kept away from to the sleeve, the one end fixedly connected with baffle of sleeve is kept away from to the second oil pressure jar.

Preferably, the bottom of the sleeve is movably connected with a universal wheel.

Preferably, a bearing is fixedly connected to the inside of the arc-shaped frame, and the bearing is fixedly connected with the threaded rod.

Preferably, the surface of the sleeve is fixedly connected with a water tank, a water outlet of the water tank is communicated with a water pump, two sides of the arc-shaped frame are fixedly connected with atomizing nozzles, and the atomizing nozzles are communicated with the water outlet of the water pump through pipelines.

Preferably, the surface of the first oil hydraulic cylinder is movably connected with a rubber block, and one side, far away from the first oil hydraulic cylinder, of the rubber block is fixedly connected with the placing groove.

Compared with the prior art, the utility model has at least the following beneficial effects:

1. according to the utility model, an operator starts the motor to drive the threaded rod to rotate, so that the arc-shaped frame moves upwards, then drives the first oil hydraulic cylinder and the support plate to move upwards, when the top of the support plate is about to touch the top of the coal mine tunnel, the motor is stopped, then the operator starts the first oil hydraulic cylinder to extend, and further drives the support plate to move upwards, and as each support plate is independent, the support plate can be attached to the top of the coal mine tunnel in a large area no matter whether the top of the coal mine tunnel is in a regular arc shape or a rectangular shape or irregular shape, so that the support effect is improved, and the device has the advantage of good support effect.

2. According to the utility model, through the arrangement of the universal wheels, an operator can conveniently move the sleeve, so that the arc-shaped frame is moved, and the portability of the device is improved.

Drawings

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

fig. 2 is an enlarged schematic view of the structure a in fig. 1 according to the present utility model.

In the figure: 1. an arc-shaped frame; 2. a pressure detector; 3. a pressure spring; 4. a first hydraulic cylinder; 5. a support plate; 6. a tension spring; 7. a threaded rod; 8. a sleeve; 9. a screw sleeve; 10. a motor; 11. a slide block; 12. a second hydraulic cylinder; 13. a baffle; 14. a universal wheel; 15. a water tank; 16. a water pump; 17. an atomizing nozzle; 18. a bearing; 19. rubber blocks.

Detailed Description

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

Referring to fig. 1 and 2, this embodiment discloses a supporting device for coal mine, including arc frame 1, arc frame 1's top is provided with the standing groove, and the quantity of standing groove is a plurality of, and the bottom fixedly connected with pressure detector 2 of standing groove inner wall, the top fixedly connected with pressure spring 3 of pressure detector 2, the top swing joint of pressure spring 3 has first oil pressure jar 4, the top of first oil pressure jar 4 articulates there is backplate 5, and articulated between two backplate 5 has extension spring 6, equal swing joint all around of arc frame 1 bottom has threaded rod 7, all be provided with sleeve 8 around arc frame 1 bottom, sleeve 8's inside fixedly connected with swivel nut 9, swivel nut 9 and threaded rod 7 threaded connection, threaded rod 7's bottom fixedly connected with motor 10, sleeve 8's both sides all are provided with the spout, and spout's inside swing joint has slider 11, slider 11 and motor 10 fixedly connected with, sleeve 8 is kept away from arc frame 1's one side fixedly connected with second oil pressure jar 12, sleeve 8 is kept away from sleeve 8's one end fixedly connected with baffle 13.

Further, the bottom of the sleeve 8 is movably connected with a universal wheel 14. The sleeve 8 can be moved by the universal wheel 14 conveniently by an operator, so that the arc-shaped frame 1 is moved, and the portability of the device is improved.

Referring to fig. 1, a bearing 18 is fixedly connected to the inside of the arc-shaped frame 1, and the bearing 18 is fixedly connected to the threaded rod 7. The bearing 18 can reduce the friction between the arc-shaped frame 1 and the threaded rod 7, thereby facilitating the rotation of the threaded rod 7.

Referring to fig. 1 and 2, further, a water tank 15 is fixedly connected to the surface of the sleeve 8, a water outlet of the water tank 15 is communicated with a water pump 16, two sides of the arc-shaped frame 1 are fixedly connected with atomizing nozzles 17, and the atomizing nozzles 17 are communicated with the water outlet of the water pump 16 through a pipeline. Through the setting of water tank 15, water pump 16 and atomizing nozzle 17, can be when there is a large amount of smoke and dust in the colliery, start water pump 16 for atomizing nozzle 17 blowout water smoke, thereby utilize the adsorbability of water, thereby adsorb the smoke and dust, and then ensure workman's health.

Referring to fig. 1 and 2, a rubber block 19 is movably connected to the surface of the first hydraulic cylinder 4, and a side, away from the first hydraulic cylinder 4, of the rubber block 19 is fixedly connected with a placement groove. The rubber block can fill the gap between the first hydraulic cylinder 4 and the placement groove.

When the utility model is used, an operator starts the motor 10 to drive the threaded rod 7 to rotate, and as the threaded rod 7 is in threaded connection with the threaded sleeve 9, the threaded rod 7 moves upwards, so that the motor 10 and the arc-shaped frame 1 are respectively driven to move upwards, and then the first hydraulic cylinder 4 and the support plate 5 are driven to move upwards, when the top of the support plate 5 is about to touch the top of a coal mine tunnel, the motor 10 is stopped, then the operator starts the first hydraulic cylinder 4 to extend, and then drives the support plate 5 to move upwards, and as each support plate 5 is independent, the support plate 5 can be attached to the top of the coal mine tunnel in a large area no matter whether the top of the coal mine tunnel is in a regular arc shape or a rectangular shape or irregular shape, so that the support effect is improved, and the operator can also start the second hydraulic cylinder 12 to extend to drive the two baffle plates 13 to be away from each other, so that the side surfaces of the tunnel are supported and protected, and the support effect is further improved;

the first oil hydraulic cylinder 4 and the pressure spring 3 swing joint in this device can change when certain first oil hydraulic cylinder 4 damages, simultaneously through setting up pressure detector 2, can detect the atress change of every first oil hydraulic cylinder 4 to judge whether closely with the top laminating in tunnel, the below of arc frame 1 does not have the barrier, when practical application, the below of arc frame 1 can pass through some transport vechicles or workman, thereby improves the practicality of device.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims (5)

1. The utility model provides a support device for colliery, includes arc frame (1), its characterized in that: the top of arc frame (1) is provided with the standing groove, and the quantity of standing groove is a plurality of, and the bottom fixedly connected with pressure detector (2) of standing groove inner wall, the top fixedly connected with pressure spring (3) of pressure detector (2), the top swing joint of pressure spring (3) has first oil pressure jar (4), the top of first oil pressure jar (4) articulates there is backplate (5), and articulates there is extension spring (6) between two backplate (5), equal swing joint has threaded rod (7) all around of arc frame (1) bottom, all be provided with sleeve (8) all around of arc frame (1) bottom, the inside fixedly connected with swivel nut (9) of sleeve (8), swivel nut (9) and threaded rod (7) threaded connection, the bottom fixedly connected with motor (10) of threaded rod (7), the both sides of sleeve (8) inner wall all are provided with the spout, and the inside swing joint of spout has slider (11), slider (11) and motor (10) fixed connection, arc frame (1) are kept away from second one side (12) fixedly connected with arc cylinder (12) of arc frame (1).

2. A coal mine support apparatus as claimed in claim 1, wherein: the bottom of the sleeve (8) is movably connected with a universal wheel (14).

3. A coal mine support apparatus as claimed in claim 1, wherein: the inside fixedly connected with bearing (18) of arc frame (1), bearing (18) and threaded rod (7) fixed connection.

4. A coal mine support apparatus as claimed in claim 1, wherein: the surface of sleeve (8) fixedly connected with water tank (15), the delivery port intercommunication of water tank (15) has water pump (16), the equal fixedly connected with atomizing nozzle (17) in both sides of arc frame (1), through pipeline intercommunication between atomizing nozzle (17) and the delivery port of water pump (16).

5. A coal mine support apparatus as claimed in claim 1, wherein: the surface swing joint of first oil pressure jar (4) has rubber piece (19), one side and standing groove fixed connection that first oil pressure jar (4) were kept away from to rubber piece (19).