CN210714752U

CN210714752U - Coal mining supporting device

Info

Publication number: CN210714752U
Application number: CN201921149735.5U
Authority: CN
Inventors: 郑和忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-06-09
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a coal mining supporting device belongs to the colliery field of strutting, include support frame, mounting groove, stock hole, couple, hold frame, fastening nut, hold roller, slot, forestope, protective surface structure, it is three the mounting groove is opened in support frame upper portion, a plurality of the stock hole direction is outwards opened on the support frame, and is three right the couple is hung respectively on the mounting groove, hold frame both ends suit on the couple, fastening nut revolves soon to twist and installs in the couple lower extreme and with hold the frame counterbalance, it installs in holding the frame to hold the roller rotatable, the slot is opened in holding the frame side and the intercommunication holds the frame both sides, the forestope slides the cartridge and in holding the frame and its lower surface with hold the roller counterbalance, protective surface structure locates on the forestope. The utility model discloses a its holding roller that holds the frame is convenient for the antecedent girder's protraction, and utilizes arc backplate to form a holding surface, has solved current advance support's protective surface subproblem.

Description

Coal mining supporting device

Technical Field

The utility model relates to a coal mine support field, especially a coal mining supporting device.

Background

The advance support is a common support method in coal mining, and the advance support is characterized in that a metal front canopy is arranged under a top beam of a tunnel permanent support, the front canopy is pushed out to a tunneling working face after tunneling for a certain distance, wood boards and wedges are used for back compaction between the front canopy and a top plate, and operations such as gangue discharge, shed erection and the like are carried out under the shield of the front canopy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the advance support protective surface is small and inconvenient to install, designing a coal mining supporting device.

Realize above-mentioned purpose the technical scheme of the utility model be, a coal mining supporting device, include support frame, mounting groove, anchor rod hole, couple, hold frame, fastening nut, hold roller, slot, forestope, protective surface structure, it is three the mounting groove is opened in support frame upper portion, a plurality of anchor rod hole direction is outwards opened on the support frame, and is three right the couple is hung respectively on the mounting groove, hold frame both ends suit on the couple, fastening nut revolves soon to install and revolves to twist in the couple lower extreme and with hold the frame counterbalance, it installs in holding the frame to hold the roller is rotatable, the slot is opened in holding frame side and intercommunication and holds the frame both sides, the forestope slides the cartridge in holding the frame and its lower surface offsets with holding the roller, protective surface structure locates on the forestope.

Preferably, the protective face structure comprises a v-shaped 21274, a curved guard plate and anti-falling holes, wherein the v-shaped 21274is arranged on two sides of the front cantilever, the curved guard plate is mounted on the v-shaped 21274in an inserting mode, and the anti-falling holes are vertically formed in two edges of the rear end of the v-shaped 21274.

Preferably, the front cantilever is provided with a plurality of jacks, and the jacks correspond to the upper and lower positions of the slots.

Preferably, the upper end of the containing frame is abutted against the inner surface of the support frame.

Preferably, the slot and the anti-falling hole are inserted with a bolt in a sliding manner, one end of the bolt is in a mushroom head shape, and the other end of the bolt is provided with a triangular elastic metal sheet.

Advantageous effects

The utility model provides a coal mining supporting device, possess following beneficial effect, this device is through its structural design, the utilization holds the roller that holds on the frame and reduces the pressure that the forestope stretched out forward, stretch out the forestope after and utilize the bolt fixed with the forestope, then carry out comprehensive protection to the face of strutting on inserting the Contraband shape frame between two forestopes with the arc backplate, the triangle sheetmetal on it can restrict it and can not drop after the bolt inserts, the bolt is convenient for the cartridge and then has increased the easy to assemble nature of this device, this device simple structure practicality is strong.

Drawings

Fig. 1 is a schematic structural view of a coal mining support device according to the present invention;

FIG. 2 is an enlarged view of the part A of FIG. 1;

fig. 3 is a schematic structural view of the bolt of the coal mining support device of the present invention.

In the figure, 1, a support frame; 2. mounting grooves; 3. an anchor rod hole; 4. hooking; 5. a containing frame; 6. fastening a nut; 7. a holding roller; 8. a slot; 9. a front cantilever; 10. v 21274h-shaped sliding rail; 11. an arc-shaped guard plate; 12. preventing a hole from falling; 13. a jack; 14. and (4) a bolt.

Detailed Description

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

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a coal mining supporting device, includes support frame 1, mounting groove 2, anchor rod hole 3, couple 4, holds frame 5, fastening nut 6, holds roller 7, slot 8, forestope 9, protective surface structure, and is three mounting groove 2 is opened on 1 upper portion of support frame, a plurality of 3 directions of anchor rod hole are outwards opened on support frame 1, and is three right couple 4 hangs respectively on mounting groove 2, hold 5 both ends suit of frame on couple 4, fastening nut 6 revolves soon to be installed in 4 lower extremes of couple and with hold frame 5 counterbalance, hold rotatable the installing in holding frame 5 of roller 7, slot 8 is opened in holding 5 sides of frame and the intercommunication and holds 5 both sides of frame, forestope 9 slides the cartridge and holds in holding frame 5 and its lower surface and hold roller 7 counterbalance, protective surface structure locates on the forestope 9. The protective face structure comprises a v-shaped 21274, a shaped sliding rail 10, an arc-shaped guard plate 11 and anti-falling holes 12, wherein the v-shaped 2127410 is arranged on two sides of a front canopy 9, the arc-shaped guard plate 11 is installed on the v-shaped 2127410 in an inserting mode, and the anti-falling holes 12 are vertically formed in two edges of the rear end of the v-shaped 2127410. The front cantilever 9 is provided with a plurality of jacks 13, and the jacks 13 correspond to the upper and lower positions of the slot 8. The upper end of the containing frame 5 is abutted against the inner surface of the support frame 1. The inserting groove 8 and the anti-falling hole 12 are inserted with a bolt 14 in a sliding mode, one end of the bolt 14 is in a mushroom head shape, and a triangular elastic metal sheet is arranged at the other end of the bolt 14.

In this embodiment:

example (b):

firstly, inserting a support frame 1 into an anchor rod hole 3 by using an anchor rod to be fixed in a mine hole, and then hanging a hook 4 on a mounting groove 2 of the support frame 1;

the device needs a plurality of supporting frames 1 to be matched;

then, the two ends of the containing frame 5 are sleeved at the lower end of the hook 4, the lower end of the hook 4 is provided with threads, and then the lower end of the hook 4 is screwed through the fastening nut 6 until the fastening nut 6 abuts against the containing frame 5, the containing frame 5 abuts against the inner surface of the support frame 1, and the containing frame 5 is fixed;

then inserting the front cantilever 9 into the containing frame 5 in the containing frame 5, facilitating the forward pushing of the front cantilever 9 through the containing roller 7 in the containing frame 5, inserting the front cantilever 9 into the slot 8 by using the bolt 14 after the front cantilever 9 reaches a preset position, and then enabling the bolt 14 to penetrate through the jack 13 on the front cantilever so as to fix the position of the front cantilever 9;

then inserting the arc-shaped protection plate 11 into the v-shaped 21274on the two sides of the forepoling beam 9, wherein the arc-shaped protection plate 11 is provided with a plurality of blocks, so that a worker can conveniently take the arc-shaped protection plate, when the arc-shaped protection plate 11 is completely inserted in place, the worker inserts the inserted pin 14 into the anti-falling hole 12, and the anti-falling hole 12 prevents the arc-shaped protection plate 11 from falling backwards;

and completing the coal mining advanced support after the installation is finished.

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. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the 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. A coal mining supporting device comprises a supporting frame (1), mounting grooves (2), anchor rod holes (3), hooks (4), a containing frame (5), fastening nuts (6), containing rollers (7), slots (8), a front canopy (9) and a protective surface structure, wherein the three mounting grooves (2) are arranged on the upper portion of the supporting frame (1), the directions of the anchor rod holes (3) are outwards arranged on the supporting frame (1), the three pairs of hooks (4) are respectively hung on the mounting grooves (2), the two ends of the containing frame (5) are sleeved on the hooks (4), the fastening nuts (6) are screwed and arranged at the lower ends of the hooks (4) and abut against the containing frame (5), the supporting device is characterized in that the containing rollers (7) are rotatably arranged in the containing frame (5), the slots (8) are arranged on the side faces of the containing frame (5) and are communicated with the two sides of the containing frame (5), the forepoling bar (9) is inserted in the containing frame (5) in a sliding mode, the lower surface of the forepoling bar is abutted to the containing roller (7), and the protective surface structure is arranged on the forepoling bar (9).

2. The coal mining support device according to claim 1, wherein the protective surface structure comprises a v-shaped sliding rail (10), an arc-shaped protective plate (11) and anti-falling holes (12), the v-shaped sliding rail (10) is installed on two sides of the front cantilever (9), the arc-shaped protective plate (11) is installed on the v-shaped sliding rail (10) in a plug-in mode, and the anti-falling holes (12) are vertically formed in two edges of the rear end of the v-shaped sliding rail (10).

3. The coal mining support device according to claim 1, wherein the forepoling bar (9) is provided with a plurality of insertion holes (13), and the insertion holes (13) correspond to the upper and lower positions of the insertion slots (8).

4. The coal mining support device of claim 1, wherein the upper end of the containing frame (5) abuts against the inner surface of the support frame (1).

5. The coal mining support device according to claim 1, wherein a bolt (14) is slidably inserted into the slot (8) and the anti-falling hole (12), and one end of the bolt (14) is mushroom-head-shaped, and the other end of the bolt is provided with a triangular elastic metal sheet.