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CN-224228701-U - Safety device for coal mine engineering

CN224228701UCN 224228701 UCN224228701 UCN 224228701UCN-224228701-U

Abstract

The utility model discloses safety equipment for coal mine engineering, which comprises a protection mechanism, wherein a first hydraulic cylinder is fixedly connected to the front side and the rear side of the upper part of a bottom plate, a fixed plate is fixedly connected between the front side and the rear side of the upper part of the first hydraulic cylinder, and the protection mechanism is arranged between the fixed plates. Compared with the prior art, the coal mine tunnel supporting device has the advantages that the protection mechanism is arranged and combined into the arched supporting surface through the supporting plate, the supporting surface can be well matched with the vault of the coal mine tunnel, so that the contact area between the supporting plate and the top of the tunnel is increased, the coal mine can conveniently transmit force to the supporting plate, the consolidation effect on the coal mine is improved, meanwhile, the supporting plate can be controlled to rotate by matching the trapezoid frame, the connecting rod, the shaft rod II and the hydraulic cylinder II, the whole supporting surface can be contracted inwards or expanded outwards, and the curvature radius of the supporting surface can be adjusted according to the size of the coal mine tunnel and the curvature radius of the vault, so that the application range is improved.

Inventors

  • ZHANG XILONG

Assignees

  • 张希龙

Dates

Publication Date
20260512
Application Date
20250625

Claims (7)

  1. 1. The utility model provides a safety device for coal mine engineering, includes bottom plate (1), bottom plate (1) quantity is two and parallel arrangement, side fixedly connected with pneumatic cylinder (2) around bottom plate (1) upper portion around the pneumatic cylinder is one (2), around fixedly connected with fixed plate (3) between the upper portion of pneumatic cylinder (2), its characterized in that still includes: The protection mechanism (4), protection mechanism (4) sets up between fixed plate (3), including connecting block one (401), backup pad (402), connecting block two (403), axostylus axostyle one (404), ladder (405), connecting rod (406), axostylus axostyle two (407), pneumatic cylinder two (408), connecting block one (401) fixed connection is in fixed plate (3) upper portion front and back end, be provided with a plurality of backup pads (402) between fixed plate (3) upper portion, backup pad (402) make up wholly and be the arch, connecting block two (403) set up respectively in backup pad (402) both sides front and back end, adjacent two connecting block two (403) are crisscross to overlap the setting, be close to connecting block one (401) connecting block two (403) and connecting block one (401) are crisscross to overlap the setting, axostylus axostyle one (404) wear to locate respectively before and after between connecting block two (403) and before and after connecting block one (401), between two (403), adjacent two between connecting block two (403) and between adjacent one (403) and two realize that connecting block two (403) and two (403) are connected in front and back through connecting block one (402) the ladder (401) and lower end through rotating, the connecting rods (406) are rotatably connected to two adjacent corners of the lower end of the front side of the ladder frame (405), the lower ends of the two adjacent connecting rods (406) are rotatably connected through a second shaft lever (407), and a second hydraulic cylinder (408) is rotatably connected between the second shaft lever (407) and the middle part of the corresponding first shaft lever (404).
  2. 2. The safety equipment for coal mine engineering according to claim 1 is characterized in that movable wheels (5) are respectively arranged at the front end and the rear end of the lower part of the bottom plate (1).
  3. 3. The safety equipment for coal mine engineering according to claim 2, wherein a positioning plate (6) is arranged at the lower part of the base plate (1), the positioning plate (6) is arranged between the moving wheels (5), a screw rod (7) is rotatably connected in the middle of the upper part of the positioning plate (6), the screw rod (7) is in threaded connection with the base plate (1) and extends to the upper part of the base plate (1), a knob (8) is arranged at the upper end of the screw rod (7), a guide rod (9) is fixedly connected to the front end and the rear end of the upper part of the positioning plate (6), and the guide rod (9) penetrates through the base plate (1).
  4. 4. A safety device for coal mine engineering according to claim 3, wherein a plurality of uniformly distributed positioning rods (10) are arranged at the lower part of the positioning plate (6).
  5. 5. A safety device for coal mine engineering as claimed in claim 4, wherein the lower end of the positioning rod (10) is tapered.
  6. 6. The safety equipment for coal mine engineering according to claim 1, wherein the trapezoid frames (405) are inverted trapezoids in cross section, and two adjacent connecting rods (406) are combined with adjacent edges of the two adjacent trapezoid frames (405) to form a diamond.
  7. 7. A safety equipment for coal mine engineering as set forth in claim 1, wherein the number of said support plates (402) is not less than 7.

Description

Safety device for coal mine engineering Technical Field The utility model relates to the technical field of coal mine engineering, in particular to safety equipment for coal mine engineering. Background Coal mines are areas where human beings mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and open pit coal mines, when a coal seam is far away from the ground surface, coal is generally selected to be mined into underground mining tunnels, and in order to ensure the safety of coal workers, safety equipment for supporting and protecting is generally arranged in the tunnels, so that the stability of the coal mines is improved. Publication number CN216198206U a safety device for coal mine engineering, through be equipped with adjusting part on the output shaft of pneumatic cylinder, adjusting part can drive the supporting roof and carry out angle modulation, thereby the different supporting environment of adaptation, application scope is wide, it is simple and convenient to adjust, convenient to use, through being equipped with adjustable running wheel subassembly and supporting part on supporting baseplate, supporting part can support this equipment, adjustable running wheel subassembly then conveniently adjusts, thereby switch between removal and fixed, convenience when further improving the use, but prior art still has the defect: 1. Although the supporting top plate in the prior art is adjustable, the top of the coal mine tunnel is generally arched, the stability is improved due to better stress, and the two supporting top plates in the prior art are plane plates and are only applicable to regular triangles, so that the arched tunnel top can not be well attached to the arched tunnel, the consolidation effect of a coal mine is poor, and the practicability is insufficient. 2. In the prior art, the supporting top plate is kept stable only by two rope belts, the strength of the rope belts is smaller, the supporting capacity of the supporting plate is insufficient, the protection effect is poor, and the safety of workers cannot be ensured. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art. Disclosure of utility model The utility model aims to solve the problems and provides safety equipment for coal mine engineering. In order to solve the technical problems, the technical scheme provided by the utility model is that the safety equipment for coal mine engineering comprises two base plates which are arranged in parallel, wherein a first hydraulic cylinder is fixedly connected to the front side and the rear side of the upper part of the base plate, and a fixing plate is fixedly connected between the front part and the rear part of the upper part of the first hydraulic cylinder, and the safety equipment for coal mine engineering further comprises the following improvement: The protection machanism, protection machanism sets up between the fixed plate, including connecting block one, backup pad, connecting block two, axostylus axostyle one, ladder frame, connecting rod, axostylus axostyle two, pneumatic cylinder two, connecting block one fixed connection is in the front and back end on fixed plate upper portion, be provided with a plurality of backup pads between the fixed plate upper portion, the backup pad is whole to be the arch, two adjacent connection blocks set up respectively in backup pad both sides front and back end, two adjacent connecting block two crisscross overlapping sets up, be close to connecting block one connecting block two crisscross overlapping sets up with connecting block one, the axostylus axostyle one wears to be located respectively between connecting block two and around and between connecting block one, connecting block two realize rotating the connection between connecting block two and between adjacent connecting block one and the connecting block two through the axostylus axostyle one, ladder frame fixed connection is in backup pad lower front and back end, the connecting rod rotates to be connected in two adjacent angles of ladder frame front side lower extreme, two connecting rod lower extreme passes through axostylus axostyle two and rotates the connecting rod that corresponds around, axostylus axostyle two runs through, the axostyle two is connected with between the corresponding axostylus axostyle one. As an improvement, the front end and the rear end of the lower part of the bottom plate are respectively provided with a movable wheel. As an improvement, the bottom plate lower part is provided with the locating plate, the locating plate sets up between removing the round, rotate in the middle of the locating plate upper portion and be connected with the screw rod, screw rod and