CN216008488U

CN216008488U - High-stability supporting leg of coal mine working face coal mining machine

Info

Publication number: CN216008488U
Application number: CN202121248874.0U
Authority: CN
Inventors: 金永昌; 解晓康; 史洪想
Original assignee: Xuzhou Interconnect Metal Mstar Technology Ltd
Current assignee: Xuzhou Interconnect Metal Mstar Technology Ltd
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2022-03-11
Anticipated expiration: 2031-06-05

Abstract

The utility model discloses a high-stability supporting leg of a coal mine working face coal mining machine, which comprises a supporting vertical rod, wherein the bottom end of the supporting vertical rod is provided with a supporting foot, the middle part of the supporting vertical rod is provided with a supporting rod expanding mechanism, and the bottom end of the supporting rod expanding mechanism is provided with a driving assembly; the two ends of the supporting rod expanding mechanism are provided with supporting rod assemblies, and a supporting rod reinforcing assembly is arranged between the middle part of each supporting rod assembly and the corresponding supporting rod expanding mechanism. Has the advantages that: the utility model can increase the contact area of the supporting leg with the ground when the coal mining machine operates, reduce the pressure intensity, increase the stability of the supporting leg when in use, and change the distance between the two groups of supporting rods according to the actual working environment, thereby increasing the use flexibility of the utility model.

Description

High-stability supporting leg of coal mine working face coal mining machine

Technical Field

The utility model relates to the technical field of coal mining machine supporting legs, in particular to a supporting leg of a coal mining machine for a coal mine working face with high stability.

Background

The coal mining machine is one of important devices for realizing mechanization and modernization of coal mine production. The mechanized coal mining can reduce the physical labor, improve the safety and achieve the purposes of high yield, high efficiency and low consumption. The landing leg of coal mining machine is the mechanism that is used for the coal mining machine of colliery working face to support, and along with the progress of science and technology, people have had higher requirement to the landing leg that is used for the coal mining machine of colliery working face.

The existing support leg of the coal mining machine, such as Chinese patent No. CN206554925U, discloses a support leg for a coal mining machine on a coal mine working face, which comprises an air inlet pipe, wherein the air inlet pipe is connected with an air pump, the air pump charges air into a support groove through the air inlet pipe, a sealing space is formed between a piston and the support groove, and the charged air pushes the piston to move in the support groove, so that the distance between an upper support column and a lower support column is adjusted, and the purpose of adjusting the height is achieved. However, the supporting legs of the coal mining machine can only be adjusted in height, and the measures for flexibly adjusting the supporting area according to the working surface of the coal mine are lacked, so that the supporting legs cannot reach the optimal stable state according to the actual working environment.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the related art, the utility model provides the support leg of the coal mine working face coal mining machine with high stability, so as to overcome the technical problems in the prior related art.

Therefore, the utility model adopts the following specific technical scheme:

the supporting leg of the coal mining machine with high stability on the coal mine working face comprises a supporting vertical rod, wherein a supporting foot is arranged at the bottom end of the supporting vertical rod, a supporting rod expanding mechanism is arranged in the middle of the supporting vertical rod, and a driving assembly is arranged at the bottom end of the supporting rod expanding mechanism; the two ends of the supporting rod expanding mechanism are provided with supporting rod components, and a supporting rod reinforcing component is arranged between the middle part of the supporting rod component and the supporting rod expanding mechanism; and a reinforcing rib is arranged between the bottom end of the vertical supporting rod and the top end of the supporting leg.

Furthermore, in order to increase the contact area between the support rod and the ground when the coal mining machine operates, reduce the pressure intensity and increase the stability of the support leg during use, so that the coal mining machine can smoothly and stably operate, the distance between the two groups of support rods can be changed according to the actual working environment, and the use flexibility of the support rod expanding mechanism is increased.

Furthermore, in order to drive the support rod expanding mechanism to automatically operate, so that the automatic capacity of the support rod expanding mechanism is improved, and the support rod expanding mechanism is convenient for workers to use support legs, the driving assembly comprises a first gear which is arranged at the bottom end of a driving disc and sleeved outside the support vertical rod, a motor is arranged at the bottom of one side of the first gear, and a second gear which is meshed with the first gear is arranged at the top end of an output shaft of the motor; the side of the motor is provided with a storage battery.

Furthermore, in order to support the two sides of the supporting vertical rod, the supporting rod assembly comprises a threaded hole which is formed in the sliding block and is far away from one end of the supporting vertical rod, and a supporting rod matched with the threaded hole is arranged in the threaded hole.

Further, in order to improve the structural strength of the supporting rod, the position of the reinforcing rod can be inserted into the underground according to the supporting rod, the distance between the underground and the position of the reinforcing rod is timely, the adaptability is improved, the supporting rod reinforcing component comprises a plurality of connecting holes formed in the side wall of the fixed block, the connecting holes are connected with the top of the reinforcing rod through a first connecting shaft, and the bottom of the reinforcing rod is connected with the middle end of the supporting vertical rod through a second connecting shaft.

The utility model has the beneficial effects that:

(1) according to the utility model, by arranging the driving assembly and the support rod extension mechanism, the contact area between the support rod extension mechanism and the ground can be increased when the coal mining machine operates, the pressure intensity is reduced, the stability of the support legs during use is increased, the coal mining machine can be helped to smoothly and stably operate, the distance between the two groups of support rods can be changed according to the actual working environment, and the use flexibility of the support rod extension mechanism is further increased.

(2) The supporting rod can be adjusted up and down, so that the distance of the supporting rod inserted into the ground can be adjusted according to needs, the structural strength of the supporting rod can be improved by arranging the supporting rod reinforcing component, the position of the reinforcing rod can be timely adjusted according to the distance of the supporting rod inserted into the ground, and the adaptability is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described 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 to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of a leg of a coal mining machine for a coal mine working face with high stability according to an embodiment of the utility model;

FIG. 2 is an elevation view of a leg of a high stability coal mining machine for a coal mine face in accordance with an embodiment of the present invention;

FIG. 3 is an exploded view of a support rod extension mechanism for a leg of a high stability coal mining machine for a coal mine face in accordance with an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic structural diagram of a driving disc of a leg of a coal mining machine with high stability on a coal mine working face according to an embodiment of the utility model.

In the figure:

1. supporting the vertical rod; 2. supporting legs; 3. a support rod expanding mechanism; 301. a drive disc; 302. a circular arc hole; 303. a fixed block; 304. a chute; 305. a slider; 306. a pin shaft; 4. a drive assembly; 401. a first gear; 402. a motor; 403. a second gear; 404. a storage battery; 5. a support rod assembly; 501. a threaded hole; 502. a support bar; 6. a support bar reinforcing assembly; 601. connecting holes; 602. a first connecting shaft; 603. a reinforcing bar; 604. a second connecting shaft; 7. and (5) reinforcing ribs.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to the embodiment of the utility model, the supporting leg of the coal mining machine with high stability on the coal mine working face is provided.

The utility model will be further described with reference to the accompanying drawings and specific embodiments, and as shown in fig. 1 to 5, the support leg of the coal mining machine for the coal mine working face with high stability according to the embodiment of the utility model comprises a support vertical rod 1, a support foot 2 is arranged at the bottom end of the support vertical rod 1, a support rod expansion mechanism 3 is arranged in the middle of the support vertical rod 1, and a driving assembly 4 is arranged at the bottom end of the support rod expansion mechanism 3; the two ends of the support rod expanding mechanism 3 are respectively provided with a support rod component 5, and a support rod reinforcing component 6 is arranged between the middle part of the support rod component 5 and the support rod expanding mechanism 3; a reinforcing rib 7 is arranged between the bottom end of the vertical supporting rod 1 and the top end of the supporting foot 2.

By means of the scheme, the contact area of the supporting leg and the ground can be increased when the coal mining machine operates, the pressure intensity is reduced, and the stability of the supporting leg in use is improved.

In an embodiment, for the support rod expanding mechanism 3, the support rod expanding mechanism 3 includes a driving disc 301 sleeved outside the middle portion of the support vertical rod 1, two sets of arc holes 302 are symmetrically arranged on the driving disc 301, the top end of the driving disc 301 and both sides of the support vertical rod 1 are provided with fixed blocks 303, the bottom end of the fixed block 303 is provided with a sliding chute 304, a sliding block 305 is arranged in the sliding chute 304, the bottom end of the sliding block 305 is provided with a pin shaft 306, and the bottom end of the pin shaft 306 extends into the arc hole 302, so that the contact area between the support rod expanding mechanism and the ground when the coal mining machine operates can be increased, the pressure intensity is reduced, the stability when the support legs are used is increased, the smooth and stable operation of the coal mining machine can be further facilitated, the distance between the two sets of support rods 502 can be changed according to the actual working environment, and the use flexibility of the coal mining machine is further increased.

In one embodiment, for the driving assembly 4, the driving assembly 4 includes a first gear 401 disposed at the bottom end of the driving disc 301 and sleeved outside the vertical supporting rod 1, a motor 402 is disposed at the bottom of one side of the first gear 401, and a second gear 403 engaged with the first gear 401 is disposed at the top end of an output shaft of the motor 402; the storage battery 404 is arranged on the side edge of the motor 402, so that the support rod extension mechanism can be driven to automatically operate, the automation capacity of the support rod extension mechanism is improved, and the support legs are convenient for workers to use.

In one embodiment, for the above-mentioned support rod assembly 5, the support rod assembly 5 includes a threaded hole 501 disposed at an end of the sliding block 305 away from the support rod 1, and a support rod 502 is disposed in the threaded hole 501 and is engaged with the threaded hole 501, so as to provide support at two sides of the support rod 1.

In one embodiment, for the above supporting rod reinforcing assembly 6, the supporting rod reinforcing assembly 6 includes a plurality of connecting holes 601 disposed on the side wall of the fixing block 303, the connecting holes 601 are connected with the top of the reinforcing rod 603 through the first connecting shaft 602, and the bottom end of the reinforcing rod 603 is connected with the middle end of the supporting vertical rod 1 through the second connecting shaft 604, so as to improve the structural strength of the supporting rod 502, and the position of the reinforcing rod 603 can be timely adjusted according to the distance that the supporting rod 502 is inserted into the ground, thereby improving the adaptability.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the distance between the two sets of support rods 502 is adjusted according to the space size of the working environment. During adjustment, the motor 402 is started firstly, the motor 402 drives the second gear 403 to rotate, the second gear 403 drives the first gear 401 to rotate, the first gear 401 drives the driving disc 301 to rotate, the driving disc 301 drives the pin shaft 306 and the sliding block 305 to slide in the sliding groove 304 through the arc hole 302, and therefore the distance between the two groups of supporting rods 502 can be changed, and the supporting area of the supporting leg is changed. Because the different of landing leg place environment, the distance that bracing piece 502 inserts underground is different, and the top cooperation through different connecting hole 601 and first connecting axle 602 and stiffener 603 this moment can quick adjustment installation stiffener 603, has improved adaptability.

In summary, by means of the above technical scheme of the utility model, the driving assembly 4 and the support rod extension mechanism 3 are arranged, so that the contact area between the coal mining machine and the ground during operation of the coal mining machine can be increased, the pressure intensity is reduced, the stability of the support legs during use is increased, the coal mining machine can be helped to operate smoothly and stably, the distance between the two sets of support rods can be changed according to the actual working environment, and the use flexibility of the coal mining machine is increased. The supporting rod 502 can be adjusted up and down, so that the distance of the supporting rod 502 inserted into the ground can be adjusted according to needs, the structural strength of the supporting rod 502 can be improved by arranging the supporting rod reinforcing component 6, the position of the reinforcing rod 603 can be timely adjusted according to the distance of the supporting rod 502 inserted into the ground, and the adaptability is improved.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The supporting leg of the coal mining machine with high stability on the coal mine working face comprises a supporting vertical rod (1), wherein a supporting leg (2) is arranged at the bottom end of the supporting vertical rod (1), and is characterized in that a supporting rod expanding mechanism (3) is arranged in the middle of the supporting vertical rod (1), and a driving assembly (4) is arranged at the bottom end of the supporting rod expanding mechanism (3);

the support rod expanding mechanism is characterized in that support rod assemblies (5) are arranged at two ends of each support rod expanding mechanism (3), and support rod reinforcing assemblies (6) are arranged between the middle parts of the support rod assemblies (5) and the support rod expanding mechanisms (3).

2. The support leg of the coal mining machine for the working face with high stability as claimed in claim 1, characterized in that a reinforcing rib (7) is arranged between the bottom end of the vertical support rod (1) and the top end of the support foot (2).

3. The supporting leg of the coal mine face coal mining machine with high stability as claimed in claim 1 or 2, wherein the supporting rod expanding mechanism (3) comprises a driving disc (301) sleeved outside the middle of the supporting vertical rod (1), two sets of arc holes (302) are symmetrically arranged on the driving disc (301), fixed blocks (303) are arranged at the top end of the driving disc (301) and on two sides of the supporting vertical rod (1), a sliding groove (304) is arranged at the bottom end of each fixed block (303), a sliding block (305) is arranged in the sliding groove (304), a pin shaft (306) is arranged at the bottom end of each sliding block (305), and the bottom end of each pin shaft (306) extends into the arc hole (302).

4. The support leg of the coal mining machine for the working face with high stability as claimed in claim 3, wherein the driving assembly (4) comprises a first gear (401) which is arranged at the bottom end of the driving disc (301) and sleeved outside the vertical supporting rod (1), a motor (402) is arranged at the bottom of one side of the first gear (401), and a second gear (403) which is meshed with the first gear (401) is arranged at the top end of an output shaft of the motor (402).

5. The leg of a coal mining machine with high stability for a working face of a coal mine is characterized in that a storage battery (404) is arranged on the side edge of the motor (402).

6. The support leg of the coal mining machine for the working face with high stability according to claim 3, characterized in that the supporting rod assembly (5) comprises a threaded hole (501) formed in one end of the sliding block (305) far away from the supporting vertical rod (1), and a supporting rod (502) matched with the threaded hole (501) is arranged in the threaded hole (501).

7. The supporting leg of the coal mine face coal mining machine with high stability as claimed in claim 6, wherein the supporting rod reinforcing assembly (6) comprises a plurality of connecting holes (601) formed in the side wall of the fixing block (303), the connecting holes (601) are connected with the top of a reinforcing rod (603) through a first connecting shaft (602), and the bottom end of the reinforcing rod (603) is connected with the middle end of the supporting vertical rod (1) through a second connecting shaft (604).