CN216305980U

CN216305980U - Novel end support device for fully mechanized coal mining face

Info

Publication number: CN216305980U
Application number: CN202121918791.8U
Authority: CN
Inventors: 于波; 许本领; 石广学; 杨朋威; 苏岳
Original assignee: Inner Mongolia Huangtaolegai Coal Co ltd
Current assignee: Inner Mongolia Huangtaolegai Coal Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-04-15
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses a novel end bracket device for a fully mechanized mining face, which comprises a horizontally arranged bottom plate, wherein a plurality of supporting oil cylinders are arranged on the bottom plate, supporting top plates are fixedly arranged at the top ends of piston rods of the supporting oil cylinders, a plurality of universal wheel assemblies are arranged at the bottom end of the bottom plate, and a bidirectional screw rod is horizontally arranged right above the bottom plate; the utility model has the beneficial effects that: the lifting adjustable type supporting base plate is simple in structure, the lifting adjustable type supporting base plate is designed, the adjustable type supporting base plate moves downwards to play a role of stable supporting during supporting operation, when the supporting base plate needs to move forwards and be pushed, the adjustable type supporting base plate is operated to move upwards to enable the universal wheel assembly to leak, the supporting base plate is convenient to walk and move fast, the supporting system is simple, the forward pushing speed is high, the mining work efficiency is greatly improved, and the lifting adjustable type supporting base plate is worthy of being popularized and used in a large range.

Description

Novel end support device for fully mechanized coal mining face

The technical field is as follows:

the utility model relates to the technical field of end supports under coal mines, in particular to a novel end support device for a fully mechanized coal mining face.

Background art:

in the underground mining process of a coal mine, the end area of a fully mechanized mining working face is the intersection of working face transportation roadways, and the top plate at the position has high pressure, complex mine pressure and narrow space; in the prior art, a single oil cylinder is generally adopted for multi-point dense support, but the support system with the structure generally has the following technical problems: the support is complicated, the equipment operation is complicated when the support is pushed forwards, the movement is slow, and the working efficiency is low.

The utility model has the following contents:

the utility model aims to provide a novel end bracket device for a fully mechanized mining face.

The utility model comprises the following contents: a novel end support device for a fully mechanized mining face comprises a horizontally arranged bottom plate, a plurality of supporting oil cylinders are mounted on the bottom plate, supporting top plates are fixedly mounted at the top ends of piston rods of the supporting oil cylinders, a plurality of universal wheel assemblies are mounted at the bottom end of the bottom plate, a bidirectional screw rod is horizontally arranged right above the bottom plate, two ends of the bidirectional screw rod are rotatably connected with a hinge seat through bearings, the hinge seat is fixedly mounted on the bottom plate, two sections of threads with opposite rotation directions are arranged on the bidirectional screw rod, each section of threads are respectively provided with a screw connected with a movable block, the movable blocks are hinged with the top end of a connecting rod, the bottom end of the connecting rod is hinged with the hinge seat, the hinge seat is fixedly mounted on an adjustable bottom plate which is horizontally arranged, an avoiding groove is formed in the bottom plate, and the connecting rod penetrates through the avoiding groove, the adjustable bottom plate is positioned under the bottom plate, a plurality of through grooves matched with the positions of the universal wheel assemblies are formed in the adjustable bottom plate, one end of the bidirectional screw rod is further connected with an operating rod, an operating turntable is fixedly mounted on the operating rod, an inserting hole is horizontally formed in the operating turntable, a positioning nail is inserted in the inserting hole in a penetrating mode, a plurality of positioning holes matched with the positions of the inserting holes are formed in the bearing seat, and the other end of the positioning nail is inserted in any one of the positioning holes.

Furthermore, the bottom surface of the adjustable bottom plate is provided with an anti-skid spine.

Furthermore, a guide post is vertically and upwards fixedly mounted on the adjustable bottom plate, a guide through hole matched with the guide post is formed in the bottom plate, and the guide post is connected with the guide through hole in a sliding mode.

The utility model has the beneficial effects that: the lifting adjustable type supporting base plate is simple in structure, the lifting adjustable type supporting base plate is designed, the adjustable type supporting base plate moves downwards to play a role of stable supporting during supporting operation, when the supporting base plate needs to move forwards and be pushed, the adjustable type supporting base plate is operated to move upwards to enable the universal wheel assembly to leak, the supporting base plate is convenient to walk and move fast, the supporting system is simple, the forward pushing speed is high, the mining work efficiency is greatly improved, and the lifting adjustable type supporting base plate is worthy of being popularized and used in a large range.

Description of the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention in a supported state;

FIG. 3 is a front view of the unsupported state of the utility model;

in the figure, a bottom plate 1, a supporting oil cylinder 2, a supporting top plate 3, a bidirectional screw rod 4, a moving block 5, a connecting rod 6, a hinge seat 7, an adjustable bottom plate 8, a through groove 9, an operation turntable 10, a positioning hole 11, a bearing seat 12, a guide column 13, a universal wheel assembly 14, a positioning nail 15, an avoiding groove 16 and an anti-skid spine 17.

The specific implementation mode is as follows:

as shown in fig. 1 to 3, a novel end support device for a fully mechanized mining face comprises a bottom plate 1 horizontally arranged, a plurality of supporting oil cylinders 2 are installed on the bottom plate 1, supporting top plates 3 are fixedly installed at the top ends of piston rods of the supporting oil cylinders 2, a plurality of universal wheel assemblies 14 are installed at the bottom end of the bottom plate 1, a bidirectional screw rod 4 is horizontally arranged right above the bottom plate 1, two ends of the bidirectional screw rod 4 are rotatably connected with bearing seats 12 through bearings, the bearing seats 12 are fixedly installed on the bottom plate 1, two sections of threads with opposite rotating directions are arranged on the bidirectional screw rod 4, each section of the threads are respectively and spirally connected with a moving block 5 in a transmission manner, the moving block 5 is hinged with the top end of a connecting rod 6, the bottom end of the connecting rod 6 is hinged with a hinged seat 7, the hinged seat 7 is fixedly installed on an adjustable bottom plate 8 horizontally arranged, an avoiding groove 16 is formed in the bottom plate 1, the connecting rod 6 penetrates through the avoiding groove 16, the adjustable bottom plate 8 is positioned under the bottom plate 1, a plurality of through grooves 9 matched with the universal wheel assembly 14 in position are formed in the adjustable bottom plate 8, an operating rod is further connected to one end of the bidirectional screw rod 4, an operating turntable 10 is fixedly mounted on the operating rod, an inserting hole is horizontally formed in the operating turntable 10, a positioning nail 15 is inserted into the inserting hole in a penetrating mode, a plurality of positioning holes 11 matched with the inserting hole in position are formed in the bearing seat 12, and the other end of the positioning nail 15 is inserted into any one of the positioning holes 11; the bottom surface of the adjustable bottom plate 8 is provided with an anti-skid spine 17; a guide post 13 is also vertically and upwards fixedly mounted on the adjustable bottom plate 8, a guide through hole matched with the guide post 13 is formed in the bottom plate 1, and the guide post 13 is in sliding connection with the guide through hole.

The working principle is as follows: when the supporting device is in a supporting state, the operation turntable 10 is rotated to enable the adjustable bottom plate 8 to move downwards to enable the adjustable bottom plate to be in contact with the bottom surface of the roadway, the anti-skidding spines 17 are arranged on the bottom surface of the adjustable bottom plate 8, so that a good anti-skidding function is achieved, and then the supporting oil cylinder 2 is started to complete supporting; when the utility model is in a moving state, the operation turntable 10 is rotated in the opposite direction, so that the adjustable bottom plate 8 moves upwards, the universal wheel assembly 14 is exposed and contacted with the bottom surface of the roadway, and the utility model is moved to be pushed forwards.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel end support device for combine and adopt working face, its bottom plate (1) that includes the level setting install a plurality of support cylinder (2) on bottom plate (1), the piston rod top fixed mounting of support cylinder (2) has supporting roof (3), its characterized in that: the bottom end of the bottom plate (1) is provided with a plurality of universal wheel assemblies (14), a bidirectional screw (4) is horizontally arranged right above the bottom plate (1), two ends of the bidirectional screw (4) are rotatably connected with a bearing seat (12) through bearings, the bearing seat (12) is fixedly arranged on the bottom plate (1), two sections of threads with opposite rotating directions are arranged on the bidirectional screw (4), each section of the threads is provided with a movable block (5) in a transmission and threaded connection mode, the movable blocks (5) are hinged with the top end of a connecting rod (6), the bottom end of the connecting rod (6) is hinged with a hinged seat (7), the hinged seats (7) are fixedly arranged on an adjustable bottom plate (8) which is horizontally arranged, the bottom plate (1) is provided with an avoiding groove (16), the connecting rod (6) penetrates through the avoiding groove (16), and the adjustable bottom plate (8) is positioned right below the bottom plate (1), the adjustable bottom plate (8) is provided with a plurality of through grooves (9) matched with the universal wheel assembly (14) in position, one end of the bidirectional screw (4) is further connected with an operating rod, an operating turntable (10) is fixedly mounted on the operating rod, an inserting hole is horizontally formed in the operating turntable (10), a positioning nail (15) is inserted in the inserting hole in a penetrating mode, a plurality of positioning holes (11) matched with the inserting hole in position are formed in the bearing seat (12), and the other end of the positioning nail (15) is inserted in any one of the positioning holes (11).

2. The novel end bracket device for the fully mechanized mining face of claim 1, wherein: the bottom surface of the adjustable bottom plate (8) is provided with anti-skid spikes.

3. The novel end bracket device for the fully mechanized mining face of claim 1, wherein: the adjustable bottom plate (8) is also vertically and upwards fixedly provided with a guide post (13), the bottom plate (1) is provided with a guide through hole matched with the guide post (13), and the guide post (13) is in sliding connection with the guide through hole.