CN218991652U

CN218991652U - Jack protection structure for hydraulic support

Info

Publication number: CN218991652U
Application number: CN202223052364.3U
Authority: CN
Inventors: 路亮; 马树焕; 荆忠亮
Original assignee: Shanxi Institute of Technology
Current assignee: Shanxi Institute of Technology
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-05-09
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a jack protection structure for a hydraulic support, which comprises a hydraulic support, a lower frame body and an upper frame body, wherein a frame-shaped mounting groove is formed in the lower frame body, a frame-shaped opening is formed in the top surface of the mounting groove, first shaft rods are arranged on two longitudinal sides of the mounting groove, first blocking plates are coiled on the first shaft rods, second shaft rods are arranged on two transverse sides of the mounting groove, second blocking plates are coiled on the second shaft rods, the first blocking plates and the second blocking plates extend to the outside through the frame-shaped opening and are mounted on the upper frame body, a strip-shaped opening is formed in one end of the upper frame body, and a panel is inserted into the strip-shaped opening. The hydraulic support is simple in structure, the protective cover can be formed on the outer side of the hydraulic support, stone blocks and pulverized coal can be effectively blocked, one end of the panel can be abutted against the supporting platform of the hydraulic support, and the opening above the hydraulic support can be blocked, so that the amount of the stone blocks or the pulverized coal entering the hydraulic support is reduced, and the use safety and the service life are improved.

Description

Jack protection structure for hydraulic support

Technical Field

The utility model relates to the technical field of coal mine production, in particular to a jack protection structure for a hydraulic support.

Background

The hydraulic support is a hydraulic power device which utilizes the hydraulic pressure to generate supporting force and realize automatic moving and setting to support and manage the roof, and is an indispensable corollary equipment for comprehensive mechanized coal mining. The hydraulic support is mainly used for a horizontal plane and a long-wall fully-mechanized coal mining face of the gently inclined thick coal seam with the angle less than or equal to 10 degrees, which is used for fully-high mining of the once caving coal along the bottom plate, and is also suitable for a horizontal layered caving coal fully-mechanized coal mining face of the steep inclined super-thick coal seam.

When fully mechanized mining, the coal mine at the front end is vibrated, ores fly to the hydraulic support from the front end, the ores can enter the joint or the rotating shaft of the hydraulic support, the movable part is easy to be blocked, coal dust can enter the hydraulic support when fully mechanized mining, and the hydraulic jack in the hydraulic support can be worn greatly, so that the service life of the hydraulic jack is prolonged.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a jack protection structure for a hydraulic support, which can block four sides and the top of the hydraulic support as far as possible so as to reduce the entry of stones or coal dust into the hydraulic support and increase the use safety.

The utility model is realized by the following technical scheme: the utility model provides a jack protective structure for hydraulic support, includes hydraulic support, lower framework and last framework, the lower framework is installed in the lower extreme of hydraulic support, go up the framework cover and locate the upper end of hydraulic support, parallel arrangement between last framework and the lower framework, the inside of lower framework forms the mounting groove of frame type structure, be equipped with the frame type mouth with external intercommunication on the top surface of mounting groove, the both sides of mounting groove vertically all are equipped with first axostylus axostyle, all coil on the first axostylus axostyle and be equipped with first barrier plate, the both sides of mounting groove are all equipped with the second axostylus axostyle, all coil on the second axostylus axostyle and be equipped with the second barrier plate, first axostylus axostyle sets up in the top of second axostyle, first barrier plate and second barrier plate all pass the frame type mouth and extend to external world, and install on last framework, first barrier plate and second barrier plate combination form the protection casing of frame type structure, the one end of going up the framework is equipped with the bar mouth, the panel has been inserted in the bar mouth.

As the preferable technical scheme, the inner wall surface of the mounting groove is just opposite to the end surfaces of the first shaft rod and the second shaft rod, grooves are formed in the inner wall surface of the mounting groove, springs are arranged in the grooves, the outermost rings of the springs are mounted on the inner wall surface of the grooves, and the two ends of the first shaft rod and the second shaft rod are mounted in the innermost rings of the springs.

As the preferred technical scheme, transversely be equipped with a plurality of first screw holes on the bottom surface of panel, the fixed plate is installed to the one end of going up the framework, and the fixed plate sets up in the below of panel, is equipped with the second screw hole on the fixed plate perpendicularly, and threaded connection has the hand to twist the bolt in the second screw hole, and hand to twist in bolt one end threaded connection and the first screw hole that corresponds.

As the preferred technical scheme, go up framework length direction's both sides and all be equipped with a plurality of third screw holes, equal threaded connection has the screw rod in the third screw hole, and the hand wheel is all installed to the one end of screw rod, and hydraulic support top supporting platform's both sides are just all equipped with the fourth screw hole to third screw hole department, and the equal threaded connection of the screw rod other end is in the fourth screw hole.

As a preferred solution, both the first blocking plate and the second blocking plate are made of rubber material.

The beneficial effects of the utility model are as follows: the hydraulic support is simple in structure, after the upper frame body is lifted upwards, the first blocking plate and the second blocking plate can be pulled out and are arranged on the outer side of the hydraulic support, so that a protective cover is formed on the outer side of the hydraulic support, stone and pulverized coal can be effectively blocked, one end of the panel can be abutted against a supporting platform of the hydraulic support, an opening above the hydraulic support can be blocked, stone and pulverized coal can be further blocked, the amount of the stone or the pulverized coal entering the hydraulic support is reduced, and the use safety and the service life are improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a top view of the lower housing of the present utility model;

fig. 3 is a top view of the upper frame of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

As shown in fig. 1, 2 and 3, the jack protection structure for a hydraulic support of the present utility model includes a hydraulic support 1, a lower frame 2 and an upper frame 3, wherein the lower frame 2 is mounted at the lower end of the hydraulic support 1, the upper frame 3 is sleeved at the upper end of the hydraulic support 1, the upper frame 3 and the lower frame 2 are arranged in parallel, a frame-shaped mounting groove 16 is formed in the lower frame 2, a frame-shaped opening communicated with the outside is formed on the top surface of the mounting groove 16, first shaft rods 4 are respectively arranged on two longitudinal sides of the mounting groove 16, first blocking plates 5 are respectively wound on the first shaft rods 4, second shaft rods 12 are respectively arranged on two transverse sides of the mounting groove 16, second blocking plates 6 are respectively wound on the second shaft rods 12, the first shaft rods 4 are arranged above the second shaft rods 12, the first blocking plates 5 and the second blocking plates 6 respectively extend to the outside through the frame-shaped opening and are mounted on the upper frame 3, the first blocking plates 5 and the second blocking plates 6 are combined to form a protection cover of the frame-shaped structure, one end of the upper frame 3 is provided with a strip-shaped panel 7 inserted into the strip-shaped opening.

In this embodiment, grooves are formed in the positions, opposite to the end faces of the first shaft rod and the second shaft rod, of the inner wall face of the mounting groove 16, springs 13 are arranged in the grooves, the outermost rings of the springs 13 are mounted on the inner wall face of the grooves, and the two ends of the first shaft rod 4 and the second shaft rod 12 are mounted in the innermost rings of the springs.

In this embodiment, a plurality of first screw holes 8 are transversely formed in the bottom surface of the panel 7, a fixing plate 9 is mounted at one end of the upper frame 3, the fixing plate 9 is arranged below the panel, a second screw hole is vertically formed in the fixing plate 9, a hand-screwing bolt 11 is connected to the second screw hole in a threaded manner, and one end of the hand-screwing bolt 11 is connected to the corresponding first screw hole 8 in a threaded manner.

In this embodiment, a plurality of third screw holes are all provided on two sides of the upper frame body 3 in the length direction, screw rods 15 are all screwed in the third screw holes, hand wheels 14 are all installed at one ends of the screw rods 15, fourth screw holes 17 are all provided on two sides of the support platform above the hydraulic support 1 right to the third screw holes, and the other ends of the screw rods 15 are all screwed in the fourth screw holes 17.

In this embodiment, the first blocking plate 5 and the second blocking plate 6 are made of rubber materials, so that the first blocking plate and the second blocking plate can be bent and rolled.

When the hydraulic support is used, the upper frame body is lifted upwards, the first blocking plate and the second blocking plate are driven by the movement of the upper frame body, the first blocking plate and the second blocking plate are pulled out from the first shaft rod and the second shaft rod, the pulled first blocking plate and the pulled second blocking plate can form a protective cover with a frame-shaped structure outside the hydraulic support, in order to ensure stability, a hand wheel can be rotated, the rotation of the hand wheel drives a screw rod, one end of the screw rod is in threaded connection with a fourth screw hole, the pulled first blocking plate and the pulled second blocking plate are positioned, stone blocks and pulverized coal on the side face are effectively blocked, one end of the panel can be abutted against a supporting platform of the hydraulic support, an opening above the hydraulic support can be blocked, stone blocks and pulverized coal are further blocked, the amount of the stone blocks or the pulverized coal entering the hydraulic support is reduced, and the use safety and the service life are increased;

the panel can be pulled out along the strip-shaped opening when not in use because the panel is screwed by hands, so that the panel can be independently placed and detached;

when not in use, the screw rod can be screwed out from the fourth screw hole, the upper frame body can be put down and put on the lower frame body so as to reduce the height of the upper frame body, and the first blocking plate and the second blocking plate can be wound on the first shaft rod and the second shaft rod through reverse torsion of the spring and are hidden in the mounting groove so as to prolong the service life of the upper frame body.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a jack protective structure for hydraulic support which characterized in that: including hydraulic support (1), lower framework (2) and last framework (3), install in the lower extreme of hydraulic support (1) lower framework (2), go up the upper end that hydraulic support (1) was located to framework (3) cover, parallel arrangement between upper frame (3) and lower framework (2), the inside of lower framework (2) forms mounting groove (16) of frame type structure, be equipped with the frame type mouth with external intercommunication on the top surface of mounting groove (16), both sides in mounting groove (16) fore-and-aft all are equipped with first axostylus axostyle (4), all coil on first axostylus axostyle (4) and be equipped with first barrier plate (5), both sides in mounting groove (16) are equipped with second axostylus axostyle (12) all, all coil on second axostylus axostyle (12) and be equipped with second barrier plate (6), first axostylus axostyle (4) set up in the top of second axostylus axostyle (12), first barrier plate (5) and second barrier plate (6) all pass the frame type mouth and extend to the external world, and install on last framework (3), first barrier plate (5) and second barrier plate (6) form the combination type mouth in frame type mouth (3), strip shape structure is equipped with in strip panel.

2. The jack guard for a hydraulic stand according to claim 1, wherein: the inner wall surface of the mounting groove (16) is opposite to the end surfaces of the first shaft rod and the second shaft rod, grooves are formed in the inner wall surface of the mounting groove, a spring (13) is arranged in each groove, the outermost ring of the spring (13) is mounted on the inner wall surface of the grooves, and the two ends of the first shaft rod (4) and the second shaft rod (12) are mounted in the innermost ring of the spring.

3. The jack guard for a hydraulic stand according to claim 1, wherein: a plurality of first screw holes (8) are transversely formed in the bottom surface of the panel (7), a fixing plate (9) is arranged at one end of the upper frame body (3), the fixing plate (9) is arranged below the panel, a second screw hole is formed in the fixing plate (9) vertically, a hand-screwing bolt (11) is connected in the second screw hole in a threaded mode, and one end of the hand-screwing bolt (11) is connected with the corresponding first screw hole (8) in a threaded mode.

4. The jack guard for a hydraulic stand according to claim 1, wherein: the both sides of last framework (3) length direction all are equipped with a plurality of third screw holes, equal threaded connection has screw rod (15) in the third screw hole, hand wheel (14) are all installed to the one end of screw rod (15), and just to third screw hole department both sides of hydraulic support (1) top supporting platform all are equipped with fourth screw hole (17), and the equal threaded connection of screw rod (15) other end is in fourth screw hole (17).

5. The jack guard for a hydraulic stand according to claim 1, wherein: the first blocking plate (5) and the second blocking plate (6) are both made of rubber material.