CN211174174U

CN211174174U - Supporting device for coal mine tunneling

Info

Publication number: CN211174174U
Application number: CN201921828422.2U
Authority: CN
Inventors: 姬国祥; 麻龙斗; 张森波; 何艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-08-04
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a supporting device for coal mine excavation relates to mine hole protective apparatus technical field. The utility model comprises two bases, wherein, two ends of the two bases are both vertically fixed with a support plate; a positive and negative tooth screw rod is rotatably connected between the two supporting plates; both ends of the positive and negative tooth screw are in threaded connection with moving blocks; a lifting rod is arranged between the top ends of the two supporting plates in a sliding manner; the connecting frames are arranged between the two lifting rods in an array manner; the peripheral side surfaces of the two ends of the connecting frame are hinged with connecting rods; the other ends of the two connecting rods are hinged with the moving block. The utility model discloses a cooperation of backup pad, positive and negative tooth screw rod, lifter, connecting rod and link is used, drives positive and negative tooth screw rod respectively when two servo motor rotate and makes the movable block rotate relatively, pushes the lifter under the effect of connecting rod and makes the link strut to the mine hole top, has reduced labour's consumption, has guaranteed coal mining's progress to adopt telescopic structure's link, applicable in the not equidimension mine hole is strutted, and the practicality is higher.

Description

Supporting device for coal mine tunneling

Technical Field

The utility model belongs to the technical field of the mine cavity protective apparatus, especially, relate to a colliery is tunneled and is used supporting device.

Background

At present, coal resources still occupy the main position in the energy structure of China, and still occupy the important position in life and production due to the reasons of abundant energy storage, low mining cost, stable property and the like. Compared with the mining technology of petroleum and natural gas, the mining technology of coal mines is very mature, but the exhaustion of shallow coal mines caused by long-term mining causes the current trend of coal mining to begin to shift to deep mining with complex geological structure, and in order to ensure engineering safety, a high-strength supporting technology is needed to reinforce the construction mine hole.

The existing coal mine tunneling support frame is generally used for supporting a mine hole by adopting on-site construction, and is detached after use, so that the coal mine tunneling support frame is inconvenient to use, large in labor consumption, capable of reducing the coal mine mining progress, and capable of being supported when in use, customized according to mine holes of different sizes, and relatively poor in practicability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery is tunneled and is used supporting device uses through the cooperation of backup pad, positive and negative tooth screw rod, lifter, connecting rod and link, has solved the current problem of strut the installation dismantle inconvenient, need carry out the customization according to the mine opening size.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a supporting device for coal mine tunneling, which comprises two bases, wherein two ends of the upper surface of the two bases are both vertically fixed with supporting plates; a positive and negative tooth screw rod is rotatably connected between the two supporting plates through a rolling-out bearing; the peripheral side surfaces of the two ends of the positive and negative tooth screw are both in threaded connection with moving blocks; a lifting rod is arranged between the top ends of the two supporting plates in a sliding manner; the connecting frames are arranged between the two lifting rods in an array manner; the peripheral side surfaces of the two ends of the connecting frame are hinged with connecting rods; the other ends of the two connecting rods are respectively hinged with the moving block.

Furthermore, a guide rod matched with the moving block is fixed between the two supporting plates and at the bottom of the positive and negative tooth screw; and the top ends of the two supporting plates are provided with sliding grooves.

Furthermore, sliding strips matched with the sliding grooves are vertically fixed at the two ends of the lifting rod; the circumferential side surface arrays of the lifting rods are all provided with annular grooves.

Further, the connecting frame comprises a loop bar; telescopic rods are slidably matched with the inner parts of the two ends of the sleeve rod; one end of the telescopic rod is fixed with a ring-shaped piece matched with the annular groove.

Furthermore, a servo motor is fixed on the upper surface of the base and positioned on one side of one of the supporting plates; one end of the servo motor rotating shaft is fixedly connected with the positive and negative tooth screw; universal wheels are fixed at two ends of the lower surface of the base; both ends of one side of the base are in threaded connection with supporting seats; and a rotary handle is fixed at the top end of the supporting seat.

The utility model discloses following beneficial effect has:

the utility model discloses a backup pad, positive and negative tooth screw rod, lifter, connecting rod and link's cooperation is used, drives positive and negative tooth screw rod respectively when two servo motor rotate and makes the movable block rotate relatively, pushes the lifter under the effect of connecting rod and makes the link strut to the mine hole top, and it is convenient to use, has reduced labour's consumption, has guaranteed the progress of coal mining to adopt telescopic structure's link, applicable in the not mine hole of equidimension is strutted, and the practicality is higher.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the supporting device for coal mine excavation of the utility model;

FIG. 2 is a schematic view of an assembly structure of the base, the support plate and the support seat;

FIG. 3 is a schematic view of the lifter;

FIG. 4 is a schematic structural view of the connection frame;

in the drawings, the components represented by the respective reference numerals are listed below:

1-base, 2-supporting plate, 3-positive and negative teeth screw rod, 4-moving block, 5-lifting rod, 6-connecting frame, 7-connecting rod, 8-guide rod, 9-sliding groove, 10-sliding strip, 11-annular groove, 12-servo motor, 13-universal wheel, 14-supporting seat, 15-rotating handle, 601-loop bar, 602-telescopic rod and 603-annular piece.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model relates to a supporting device for coal mine tunneling, which comprises two bases 1, wherein two supporting plates 2 are vertically fixed at two ends of the upper surface of the two bases 1; a positive and negative tooth screw rod 3 is rotatably connected between the two supporting plates 2 through a rolling-out bearing; the peripheral side surfaces of two ends of the positive and negative thread screw 3 are both in threaded connection with moving blocks 4; a lifting rod 5 is arranged between the top ends of the two supporting plates 2 in a sliding way; a connecting frame 6 is arranged between the two lifting rods 5 in an array manner; the circumferential side surfaces of two ends of the connecting frame 6 are hinged with connecting rods 7; the other ends of the two connecting rods 7 are respectively hinged with the moving block 4.

Wherein a guide rod 8 matched with the moving block 4 is fixed between the two supporting plates 2 and at the bottom of the positive and negative tooth screw rod 3; the top ends of the two supporting plates 2 are both provided with a sliding chute 9.

Wherein, the two ends of the lifting rod 5 are vertically fixed with sliding strips 10 matched with the sliding grooves 9; the circumferential side surface arrays of the lifting rod 5 are all provided with annular grooves 11.

Wherein, the connecting frame 6 comprises a loop bar 601; telescopic rods 602 are slidably matched with the inner parts of the two ends of the loop bar 601; an annular member 603 which is matched with the annular groove 11 is fixed at one end of the telescopic rod 602.

Wherein, a servo motor 12 is fixed on the upper surface of the base 1 and positioned on one side of one of the supporting plates 2; one end of a rotating shaft of the servo motor 12 is fixedly connected with the positive and negative tooth screw 3; universal wheels 13 are fixed at both ends of the lower surface of the base 1; two ends of one side of the base 1 are both in threaded connection with a supporting seat 14; a rotary handle 15 is fixed at the top end of the supporting seat 14.

One specific application of this embodiment is: during the use, make the link 6 flexible with two base 1 lateral shifting through universal wheel 13, adjust the lateral distance of strutting, two rotate rotatory handles 15, make supporting seat 14 move down and support the whole of strutting, two servo motor 12 drive positive and negative tooth screw rod 3 respectively and rotate, under the effect of guide arm 8, make two movable block 4 of positive and negative tooth screw rod week side to both ends relative movement, promote connecting rod 7 when movable block 4 removes and make lifter 5 shift up, drive connecting rod 6 when two lifter 5 shift up and support the cave top.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer 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.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a coal mine tunnelling is with supporting device, includes two bases (1), its characterized in that:

supporting plates (2) are vertically fixed at two ends of the upper surfaces of the two bases (1); a positive and negative tooth screw rod (3) is rotatably connected between the two supporting plates (2) through a roll-out bearing; the peripheral side surfaces of two ends of the positive and negative tooth screw (3) are both in threaded connection with moving blocks (4); a lifting rod (5) is arranged between the top ends of the two supporting plates (2) in a sliding way; a connecting frame (6) is arranged between the two lifting rods (5) in an array manner; the circumferential side surfaces of two ends of the connecting frame (6) are hinged with connecting rods (7); the other ends of the two connecting rods (7) are respectively hinged with the moving block (4).

2. The support device for coal mine excavation according to claim 1, wherein a guide rod (8) matched with the moving block (4) is fixed between the two support plates (2) and at the bottom of the positive and negative screw rods (3); the top ends of the two supporting plates (2) are provided with sliding grooves (9).

3. The support device for coal mine excavation according to claim 1, wherein a slide bar (10) matched with the sliding groove (9) is vertically fixed at each of two ends of the lifting rod (5); the circumferential side surface arrays of the lifting rod (5) are all provided with annular grooves (11).

4. A support device for coal mine excavation according to claim 1, wherein the connecting frame (6) includes a loop bar (601); telescopic rods (602) are respectively in sliding fit with the inner parts of the two ends of the loop bar (601); one end of the telescopic rod (602) is fixed with a ring-shaped part (603) matched with the annular groove (11).

5. The support device for coal mine excavation according to claim 1, wherein a servo motor (12) is fixed on the upper surface of the base (1) and positioned on one side of one support plate (2); one end of a rotating shaft of the servo motor (12) is fixedly connected with the positive and negative tooth screw rod (3); universal wheels (13) are fixed at both ends of the lower surface of the base (1); two ends of one side of the base (1) are both in threaded connection with a supporting seat (14); a rotary handle (15) is fixed at the top end of the support seat (14).