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CN-224228703-U - Colliery is foldable explosion-proof hydraulic support in pit

CN224228703UCN 224228703 UCN224228703 UCN 224228703UCN-224228703-U

Abstract

The utility model belongs to the technical field of coal mine operation, and discloses a foldable explosion-proof hydraulic support in a coal mine, which comprises an explosion-proof support, wherein a vertical support plate is arranged on the upper side of the explosion-proof support, a base is fixedly arranged on the outer side of the vertical support plate, hydraulic push rods are symmetrically arranged on the outer side of the base, side-resisting plates are fixedly arranged at the output ends of the hydraulic push rods, three reinforcing columns which are distributed at the same vertical interval are penetrated in the side-resisting plates, L-shaped plates are symmetrically and fixedly arranged on the two sides of the side-resisting plates, an anti-skid pad is fixedly arranged on one side, far away from the hydraulic push rods, of the side-resisting plates, the anti-skid pad is made of rubber, and a plurality of anti-skid protrusions are arranged on the surface of the anti-skid pad. According to the technical scheme, the foldable design is convenient to transport and install and is suitable for different spaces, the bearing capacity and the deformation resistance of the reinforcing structures are improved, stable support is ensured, the lateral direction is adjusted by combining hydraulic pressure and machinery, the fit degree and the friction force are enhanced by matching with the anti-skid structure, and the rubber pad can also buffer the well wall.

Inventors

  • ZHANG HAN
  • ZHAO XUANMING
  • ZHANG TONG
  • ZHOU LICHENG
  • LI YUXIN

Assignees

  • 榆林学院

Dates

Publication Date
20260512
Application Date
20250825

Claims (8)

  1. 1. The utility model provides a colliery is foldable explosion-proof hydraulic support in pit, includes explosion-proof support (1), its characterized in that, the upside of explosion-proof support (1) is equipped with vertical extension board (2), the outside of vertical extension board (2) is fixed and is equipped with base (51), and the outside symmetry of base (51) is equipped with hydraulic ram (52), and the output of hydraulic ram (52) is fixed and is equipped with side group board (5), run through in side group board (5) and be equipped with three reinforcing columns (59) that are the same interval distribution from top to bottom, the both sides symmetry of side group board (5) is fixed and is equipped with L shaped plate (6), one side that side group board (5) kept away from hydraulic ram (52) is fixed and is equipped with the slipmat, the slipmat adopts the rubber material, and slipmat surface is equipped with a plurality of slipmat.
  2. 2. The underground coal mine foldable explosion-proof hydraulic support is characterized in that side support posts (11) are symmetrically and fixedly arranged in the explosion-proof support (1), cross support posts (12) are symmetrically and fixedly arranged in the explosion-proof support (1), a wear-resistant plate is fixedly arranged on the lower surface of the explosion-proof support (1), and a plurality of wear-resistant lines are arranged on the lower surface of the wear-resistant plate.
  3. 3. The underground coal mine foldable explosion-proof hydraulic support is characterized in that a supporting plate (22) is fixedly arranged on the upper surface of the vertical support plate (2), inclined-plane reinforcing blocks (23) are symmetrically and fixedly arranged between the supporting plate (22) and the corresponding vertical support plate (2), clamping plates (21) are fixedly arranged on the upper surface of the explosion-proof support (1), sliding grooves (24) are formed in the inner side of the vertical support plate (2), a plurality of bolt grooves (25) are symmetrically formed in one sides of the clamping plates (21) and one side of the vertical support plate (2), and positioning bolts (26) are connected in a common bolt fit mode in the two corresponding bolt grooves (25).
  4. 4. The underground coal mine foldable explosion-proof hydraulic support according to claim 3, wherein the support plate (22) and the explosion-proof support (1) are symmetrically and fixedly provided with side blocks (7) on both sides, and telescopic columns (71) are fixedly arranged between the upper and lower corresponding side blocks (7).
  5. 5. The underground coal mine foldable explosion-proof hydraulic support according to claim 1, wherein a groove (53) is formed in one side of the base (51), a rotating column (54) is arranged on the outer surface of the hydraulic push rod (52) in a penetrating mode, and the rotating column (54) is rotatably arranged in the groove (53).
  6. 6. The underground coal mine foldable explosion-proof hydraulic support according to claim 1, wherein a rotating plate (55) is rotatably arranged at the lower end of the base (51), a rotating frame (56) is rotatably arranged on one side of the rotating plate (55), one side of the rotating frame (56) is rotatably connected with the lower side of the corresponding side-resisting plate (5), a connecting frame (57) is fixedly arranged on one side of the base (51), and a reinforcing telescopic rod (58) is rotatably connected between the connecting frame (57) and the rotating frame (56).
  7. 7. The underground coal mine foldable explosion-proof hydraulic support according to claim 1, wherein one side of the L-shaped plate (6) is provided with a threaded through column (61), the end part of the threaded column (61) is fixedly provided with a contact disc (62), the other end of the threaded column (61) is fixedly provided with a rotary disc (63), and the outer side of the rotary disc (63) is rotatably provided with a handle (64).
  8. 8. The underground coal mine foldable explosion-proof hydraulic support according to claim 7, wherein reinforcing plates (65) are symmetrically and fixedly arranged in the L-shaped plate (6).

Description

Colliery is foldable explosion-proof hydraulic support in pit Technical Field The utility model belongs to the technical field of coal mine operation, and particularly relates to a foldable explosion-proof hydraulic support for a coal mine. Background The coal mine operation is a complex and dangerous systematic engineering, relates to the exploitation, transportation, processing and related matched work of coal, and needs to strictly follow safety regulations and operation flow, while the hydraulic support is coal face supporting equipment which takes high-pressure liquid as power and consists of a plurality of hydraulic elements and metal components in a certain connection mode. However, the following problems are found in the implementation related art: The underground hydraulic support for the coal mine in the prior art is mostly of a fixed structure, does not have a foldable design, occupies a large space during transportation, is high in installation difficulty in a narrow underground environment, and is difficult to adapt to underground spaces of different sizes. And the whole structure is not enough in reinforcement design, the support strength of the side part, the transverse part and other parts is limited, the bearing capacity and the deformation resistance are weak, and the unstable condition is easy to occur in a complex underground environment. Moreover, the lateral support in the prior art is mostly independent of hydraulic adjustment or mechanical fixation, the adjustment mode is single, the fitting degree and the friction force with the well wall are insufficient, shaking is easy to occur, and the support stability is poor. Meanwhile, the anti-skid buffer structure is lack of an effective anti-skid buffer structure, so that the anti-skid effect is poor, and the well wall is easily damaged in the supporting process. Disclosure of utility model In order to solve the problems in the background technology, the utility model provides the underground foldable explosion-proof hydraulic support for the coal mine, which has the advantages of convenience in transportation and installation, strong adaptability, stable structure, stable support and well wall protection. The utility model solves the problems of large occupied space, difficult installation, poor adaptation and weak bearing deformation resistance of the traditional support in transportation through a foldable design and a plurality of reinforcing structures (side support, cross support and the like), and solves the problems of single adjustment of the traditional lateral support, insufficient attaching friction, easy shaking and well wall damage through a lateral hydraulic and mechanical combined adjustment and anti-skid buffer structure. In order to achieve the purpose, the technical scheme is that the foldable explosion-proof hydraulic support for the underground coal mine comprises an explosion-proof support, wherein a vertical support plate is arranged on the upper side of the explosion-proof support, a base is fixedly arranged on the outer side of the vertical support plate, hydraulic push rods are symmetrically arranged on the outer side of the base, side-resisting plates are fixedly arranged at the output ends of the hydraulic push rods, three reinforcing columns which are distributed at the same vertical interval are penetrated in the side-resisting plates, L-shaped plates are symmetrically and fixedly arranged on the two sides of the side-resisting plates, an anti-skid pad is fixedly arranged on one side, far away from the hydraulic push rods, of the side-resisting plates, the anti-skid pad is made of rubber, and a plurality of anti-skid protrusions are arranged on the surface of the anti-skid pad. Preferably, the side support posts are symmetrically and fixedly arranged in the explosion-proof support, the cross support posts are symmetrically and fixedly arranged in the explosion-proof support, the wear-resisting plate is fixedly arranged on the lower surface of the explosion-proof support, and a plurality of wear-resisting lines are arranged on the lower surface of the wear-resisting plate. Preferably, the upper surface fixing of vertical extension board is equipped with the backup pad, the symmetry is fixed between backup pad and the corresponding vertical extension board and is equipped with the inclined plane boss, the upper surface fixing of explosion-proof support is equipped with the cardboard, the spout has been seted up to the inboard of vertical extension board, a plurality of bolt groove has all been seted up to the equal symmetry in one side of cardboard and vertical extension board, and the cooperation of two bolt inslot common bolt is connected with positioning bolt that corresponds. Preferably, the both sides of backup pad and explosion-proof support are all symmetrical fixed be equipped with the side piece, and correspond fixedly between the side piece about and be equipped with the telescopic column. Preferably,