CN218598231U

CN218598231U - Novel hydraulic support for coal face crossheading

Info

Publication number: CN218598231U
Application number: CN202222544730.0U
Authority: CN
Inventors: 谢深情
Original assignee: Individual
Current assignee: Shanxi Jutong Electromechanical Equipment Co.,Ltd.
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-03-10
Anticipated expiration: 2032-09-26

Abstract

The utility model relates to the technical field of mining machinery, and discloses a novel hydraulic support for a coal face crossheading, which comprises a hydraulic support and anti-moving mechanisms, and is characterized in that the two anti-moving mechanisms are both arranged on the hydraulic support; the anti-moving mechanism comprises a box body, a third hydraulic jack, a moving box, a hollow grounding nail and a through hole; the box is installed in the left side of hydraulic support upper base, the top of third hydraulic jack is fixed with the interior roof of box, and the bottom of third hydraulic jack is fixed with the top of removing the box, removes box sliding connection in the inboard of box. This a novel hydraulic support for coal face crossheading can drive through third hydraulic jack and remove the box downstream for in the hollow ground nail that removes the box bottom inserts the ground of diapire in the tunnel, can avoid to a certain extent leading to hydraulic support to appear removing because of the tunnel vibrations.

Description

Novel hydraulic support for coal face crossheading

Technical Field

The utility model relates to a mining machinery technical field specifically is a novel hydraulic support for coal face crossheading.

Background

The support efficiency of the crossheading of the coal face is one of key factors which restrict high-yield, high-efficiency and safe production of the coal face, along with the gradual development of coal mines to deep mining in eastern areas of China, the pressure is increased to cause deformation of a crossheading top plate, a crossheading roadway top plate has multiple angles, the distance of the crossheading advance support is lengthened, the transportation condition and the working face geological condition of a mine are more and more complex, particularly for the transportation crossheading with a reversed loader, the space is limited, and the requirements on the structural form and the adaptability of a roadway advance support hydraulic support are higher and higher.

The Chinese patent discloses: a two-column horizontal hydraulic support for a coal face crossheading, is disclosed as follows: CN216841762U, the utility model improves the adaptability by setting a balance jack to adjust the top beam angle; the length of the base is shortened, the base is transversely arranged on one side of the reversed loader, the supporting area of the top beam is increased, the base can be particularly applied to supporting of a motor of a crusher, a safe space is provided for maintenance, and the reliability is high; the multiple supports are supported in groups through the pushing jacks at the two ends of the base, the supports in groups are mutually used as fulcrums, and self-moving, operation and replacement are realized. The utility model discloses the structure festival gathers together, convenient operation, labour saving and time saving has improved coal face crossheading and has strutted efficiency, and the reliability is high, the suitability is strong, but during the use, the bottom contact in base and tunnel, the top contact in back timber and tunnel to support the tunnel, when vibrations appear in the tunnel, the phenomenon of sideslip probably appears in the hydraulic support, thereby probably causes the influence to hydraulic support's use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel hydraulic support for coal face crossheading to solve the problem that provides among the above-mentioned background art.

The embodiment of the application adopts the following technical scheme:

a novel hydraulic support for a coal face crossheading comprises a hydraulic support and anti-moving mechanisms, and is characterized in that the two anti-moving mechanisms are both arranged on the hydraulic support; the anti-moving mechanism comprises a box body, a third hydraulic jack, a moving box, a hollow grounding nail and a through hole; the left side of base on hydraulic support is installed to the box, third hydraulic jack's top is fixed with the interior roof of box, and third hydraulic jack's bottom is fixed with the top of removing the box, removes box sliding connection in the inboard of box, and a plurality of hollow ground connection nails are all fixed on the bottom of removing the box, and a plurality of through-holes are all seted up on the interior diapire of removing the box, and a plurality of through-holes are linked together with the top of a plurality of hollow ground connection nails respectively.

Preferably, the inner side of the movement prevention mechanism is provided with a grounding reinforcing mechanism, and the grounding reinforcing mechanism comprises a fourth hydraulic jack, a lifting plate, a push rod, a first grounding assembly and a second grounding assembly; the first ground connection subassembly includes first ground plate, first riser and first spring, and the second ground connection subassembly includes second ground plate, second riser and second spring.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

one of which can drive the movable box to move downwards through the third hydraulic jack when in use, so that the hollow grounding nail at the bottom of the movable box is inserted into the ground of the bottom wall in the roadway, and the hydraulic support can be prevented from moving due to the vibration of the roadway to a certain extent.

And secondly, when the lifting device is used, the lifting plate is driven to move downwards through the fourth hydraulic jack, so that a plurality of push rods are driven to move downwards, the first grounding assembly and the second grounding plate are reversely pushed through the push rods, the left side, penetrating through the hollow grounding nail, of the first vertical plate on the first grounding assembly is inserted into the ground, the first vertical plate extrudes the first spring, the right side, penetrating through the hollow grounding nail, of the second grounding plate on the second grounding assembly is inserted into the ground, the second vertical plate extrudes the second spring, the secondary fixing is performed on the anti-moving mechanism, and the anti-moving effect of the anti-moving mechanism is enhanced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic view of the appearance structure of the utility model;

FIG. 2 is a schematic side view of the structure of the present invention;

fig. 3 is a schematic view of the main sectional structure of the movement prevention mechanism of the present invention;

fig. 4 is a schematic view of the main-view section structure of the hollow grounding nail of the present invention;

fig. 5 is a schematic perspective view of the first grounding assembly and the second grounding assembly of the present invention.

In the figure: 1. a hydraulic support; 101. a base; 102. a first hinge mount; 103. a top beam; 104. a second hinge mount; 105. a third hinge mount; 106. a first hydraulic jack; 107. a second hydraulic jack; 2. an anti-movement mechanism; 201. a box body; 202. a third hydraulic jack; 203. moving the cartridge; 204. a hollow grounding pin; 205. a through hole; 3. a ground reinforcement mechanism; 301. a fourth hydraulic jack; 302. a lifting plate; 303. a push rod; 304. a first ground assembly; 3041. a first ground plate; 3042. a first vertical plate; 3043. a first spring; 305. a second ground assembly; 3051. a second ground plate; 3052. a second vertical plate; 3053. a second spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Example 1: referring to fig. 1, 2 and 3, a novel hydraulic support for a coal face gateway; the anti-moving device comprises a hydraulic support 1 and anti-moving mechanisms 2, wherein the two anti-moving mechanisms 2 are arranged on the hydraulic support 1; the hydraulic support 1 comprises a base 101, a first hinged seat 102, a top beam 103, a second hinged seat 104, a third hinged seat 105, a first hydraulic jack 106 and a second hydraulic jack 107; the first hinge base 102 is fixed on the right end of the top of the base 101, the top beam 103 is positioned above the base 101, the two second hinge bases 104 are respectively fixed on the front end and the rear end of the middle of the bottom surface of the top beam 103, the third hinge base 105 is fixed on the middle of the right side of the top beam 103, the bottom end of the first hydraulic jack 106 is hinged on the inner side of the first hinge base 102, the top end of the first hydraulic jack 106 is hinged on the inner side of the third hinge base 105, the two second hydraulic jacks 107 are respectively fixed on the front end and the rear end of the left side of the top of the base 101, and the top ends of the two second hydraulic jacks 107 are respectively hinged on the inner sides of the two second hinge bases 104; the anti-moving mechanism 2 comprises a box body 201, a third hydraulic jack 202, a moving box 203, a hollow grounding nail 204 and a through hole 205; the box body 201 is installed on the left side of the base 101 on the hydraulic support 1, the top end of the third hydraulic jack 202 is fixed with the inner top wall of the box body 201, the bottom end of the third hydraulic jack 202 is fixed with the top of the movable box 203, the movable box 203 is slidably connected to the inner side of the box body 201, the hollow grounding nails 204 are all fixed on the bottom of the movable box 203, the through holes 205 are all formed in the inner bottom wall of the movable box 203, and the through holes 205 are respectively communicated with the top ends of the hollow grounding nails 204;

when in use, through the cooperation among the first articulated seat 102, the second articulated seat 104, the third articulated seat 105, the first hydraulic jack 106 and the second hydraulic jack 107, the angle of the top beam 103 is adjusted, the top beam 103 is attached to the inner top wall of the roadway, the third hydraulic jack 202 can drive the movable box 203 to move downwards, and the hollow grounding nail 204 at the bottom of the movable box 203 is inserted into the ground of the inner bottom wall of the roadway.

Example 2: referring to fig. 3, fig. 4 and fig. 5, on the basis of embodiment 1, a grounding reinforcement mechanism 3 is disposed inside the anti-moving mechanism 2, and the grounding reinforcement mechanism 3 includes a fourth hydraulic jack 301, a lifting plate 302, a push rod 303, a first grounding assembly 304 and a second grounding assembly 305; the first ground assembly 304 includes a first ground plate 3041, a first riser 3042, and a first spring 3043, and the second ground assembly 305 includes a second ground plate 3051, a second riser 3052, and a second spring 3053; the top end of a fourth hydraulic jack 301 is fixed with the inner top wall of the movable box 203, the bottom end of the fourth hydraulic jack 301 is fixed with the top of the lifting plate 302, a plurality of push rods 303 are all fixed at the bottom of the lifting plate 302, the bottom ends of the push rods 303 respectively penetrate through a plurality of through holes 205 and extend into the inner side of the hollow grounding nail 204, a plurality of first grounding assemblies 304 are all arranged on the inner left side of the hollow grounding nail 204 and are sequentially arranged from top to bottom, a plurality of second grounding assemblies 305 are all arranged on the inner right side of the hollow grounding nail 204 and are sequentially arranged from top to bottom, a plurality of jacks matched with the first grounding plate 3041 are arranged on the inner left side of the hollow grounding nail 204, the left end of the first grounding plate 3041 is inserted into the inner sides of the jacks, a first vertical plate 3042 is fixed at the top right end of the first grounding plate 3041, a first spring 3043 is fixed on the left side of the hollow grounding nail 204, the inner right side of the hollow grounding nail 204 is provided with a plurality of jacks 3051 fixed with the inner right side of the second grounding plate 3053, and the jacks are fixed at the top right side of the jack of the second grounding plate 3053, and the jack of the jack are fixed on the inner right side of the inner side of the hollow grounding nail 3053.

In use, the lifting plate 302 is driven by the fourth hydraulic jack 301 to move downwards, so as to drive the plurality of pushing rods 303 to move downwards, the first grounding assembly 304 and the second grounding plate 3051 are pushed by the pushing rods 303 in opposite directions, so that the first riser 3042 on the first grounding assembly 304 penetrates through the left side of the hollow grounding nail 204 and is inserted into the ground, the first riser 3042 extrudes the first spring 3043, the second grounding plate 3051 on the second grounding assembly 305 penetrates through the right side of the hollow grounding nail 204 and is inserted into the ground, and the second spring 3053 is extruded by the second riser 3052.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A novel hydraulic support for a coal face gateway comprises a hydraulic support (1) and anti-moving mechanisms (2), and is characterized in that the two anti-moving mechanisms (2) are mounted on the hydraulic support (1); the anti-moving mechanism (2) comprises a box body (201), a third hydraulic jack (202), a moving box (203), a hollow grounding nail (204) and a through hole (205); the left side of base (101) is installed on hydraulic support (1) in box (201), the top of third hydraulic jack (202) is fixed with the interior roof of box (201), and the bottom of third hydraulic jack (202) is fixed with the top of removing box (203), removes box (203) sliding connection in the inboard of box (201), and a plurality of hollow ground nail (204) are all fixed on the bottom of removing box (203), and a plurality of through-holes (205) are all seted up on the interior diapire of removing box (203), and a plurality of through-holes (205) are linked together with the top of a plurality of hollow ground nail (204) respectively.

2. The novel hydraulic support for a coal face gateway according to claim 1, characterized in that the inner side of the movement prevention mechanism (2) is provided with a grounding reinforcement mechanism (3), and the grounding reinforcement mechanism (3) comprises a fourth hydraulic jack (301), a lifting plate (302), a push rod (303), a first grounding assembly (304) and a second grounding assembly (305); the first ground assembly (304) includes a first ground plate (3041), a first riser (3042), and a first spring (3043), and the second ground assembly (305) includes a second ground plate (3051), a second riser (3052), and a second spring (3053).