CN214464149U

CN214464149U - Mining is with mining machinery safety device

Info

Publication number: CN214464149U
Application number: CN202120663358.8U
Authority: CN
Inventors: 刘志鹏
Original assignee: Taiyuan University of Technology
Current assignee: Taiyuan University of Technology
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-10-22
Anticipated expiration: 2031-04-01

Abstract

The utility model relates to a mining machinery safety protection device for mining, which belongs to the technical field of mine protection, and particularly comprises a plurality of protection plate components arranged on a coal mining machine, one end of each protection plate component is hinged on the coal mining machine, the bottom of each protection plate component is arranged on the coal mining machine through a telescopic oil cylinder and a limiting mechanism, a plurality of buffer mechanisms are arranged between a supporting bottom plate and a protection top plate of each protection plate component, a lower fixing seat of each buffer mechanism is fixed on the supporting bottom plate, an upper control column is fixed on the protection top plate through bolts, a mounting hole is arranged in the center of the lower fixing seat, the upper control column is inserted in the mounting hole, a buffer spring is arranged between the upper control column and the mounting hole, the bottom of the upper control column is provided with a limiting flange, an annular gland is also arranged on the lower fixing seat, the inner ring of the annular gland is also provided with a compression ring, and the compression ring is inserted in the mounting hole, the utility model discloses simple structure, convenient to use can protect the coal-winning machine to reduce vibrations, buffering effect is good.

Description

Mining is with mining machinery safety device

Technical Field

The utility model relates to a mining machinery safety device belongs to mine protection technical field.

Background

With the gradual trend of large-scale, highly centralized and efficient coal mine production, the maintenance and access ports of the coal mining machine on the fully mechanized mining face are basically on the coal mining machine, and the coal mining machine develops and evolves from a coal cutter. The coal mining machine is a large complex system integrating machinery, electricity and hydraulic pressure, the working environment is severe, and if a fault occurs, the whole coal mining work is interrupted, so that huge economic loss is caused. The existing top cover of the coal mining machine is not provided with any protective device, coal blocks can be smashed on the coal mining machine in the mining process to damage the coal mining machine, meanwhile, huge vibration easily causes the pipeline of the coal mining machine to fall off or internal electrical elements to be damaged, and sometimes the coal blocks can fall down to smash the body of workers to cause the workers to be injured, so that potential safety hazards are caused, and the working efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that prior art exists, the utility model provides a simple structure, convenient to use can protect the coal-winning machine to reduce vibrations, mine that buffering effect is good is opened and is adopted mining machinery safety device.

In order to achieve the above object, the technical solution adopted by the present invention is a mining machine safety protection device for mine exploitation, comprising a coal mining machine, wherein a plurality of protection plate assemblies are installed on the coal mining machine, one end of each protection plate assembly is hinged to the coal mining machine, the bottoms of the protection plate assemblies are installed on the coal mining machine through a telescopic cylinder and a limiting mechanism, each protection plate assembly mainly comprises a supporting bottom plate and a protection top plate, the supporting bottom plate is arranged below the protection top plate, a plurality of buffer mechanisms are installed between the supporting bottom plate and the protection top plate, each buffer mechanism comprises a lower fixing seat, an upper control column and a buffer spring, the lower fixing seat is fixed on the supporting bottom plate, the upper control column is fixed on the protection top plate through bolts, a mounting hole is arranged at the center of the lower fixing seat, the upper control column is inserted in the mounting hole, go up and install buffer spring between control post and the mounting hole, be provided with limit flange on the bottom circumference of going up the control post, still install annular gland down on the fixing base, annular gland's inner circle still is provided with the clamping ring, the clamping ring cartridge is in the mounting hole, and the bottom of clamping ring contacts with limit flange.

Preferably, the protection roof is the arc, and is installed the elasticity film around the arc, the elasticity film parcel is on the clearance between supporting baseplate and protection roof, just the elasticity film passes through the fix with screw on supporting baseplate and protection roof.

Preferably, the two sides of the supporting bottom plate are also hinged with movable baffles.

Preferably, the limiting mechanism mainly comprises an upper connecting pipe, a lower connecting pipe, a limiting column and a servo motor, the top of the upper connecting pipe is hinged to the bottom of the protective plate component, the bottom of the lower connecting pipe is hinged to the coal mining machine, the upper connecting pipe is inserted into the lower connecting pipe, the servo motor is installed in the upper connecting pipe, a bolt for fixing the servo motor is installed on the outer wall of the upper connecting pipe, a rotating shaft is installed on the servo motor, one end of the limiting column is inserted into the upper connecting pipe, the outer diameter of the other end of the limiting column is the same as that of the upper connecting pipe, the limiting column is further provided with a shaft hole, the rotating shaft is located in the shaft hole, a driving plate is installed at the end of the rotating shaft through a screw, a control rod is arranged on the driving plate, a control rod insertion hole is formed in the end face of the limiting column, and limiting rods are further arranged on two sides of the limiting column, the inner wall both sides of lower connecting pipe are provided with guide slot and spacing draw-in groove, spacing draw-in groove is located the middle part of lower connecting pipe to be linked together with the guide slot.

Compared with the prior art, the utility model discloses following technological effect has: the utility model discloses simple structure, reasonable in design adopts and installs guard plate subassembly on the coal-winning machine, and the guard plate subassembly adopts integrated configuration, utilizes buffer mechanism to form the buffering for cushion the impact force that the coal cinder dropped, and then improve the protecting effect of coal-winning machine. Simultaneously, the protection plate assembly is supported and fixed through the limiting mechanism, the limiting mechanism is automatically controlled, and after the telescopic oil cylinder reaches the designated position, the limiting mechanism controls the limiting column to rotate through the servo motor, so that the limiting column is clamped into the limiting clamping groove, hard support is realized, and the operation is simple and the control is convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the middle protection roof of the present invention.

Fig. 3 is a schematic structural diagram of the middle limiting mechanism of the present invention.

Fig. 4 is a schematic structural diagram of the middle limiting clamping groove of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 and 2, a mining machine safety protection device for mining comprises a coal mining machine 1, a plurality of protection plate assemblies 2 are installed on the coal mining machine 1, one ends of the protection plate assemblies 2 are hinged to the coal mining machine 1, the bottoms of the protection plate assemblies 2 are installed on the coal mining machine 1 through telescopic oil cylinders 3 and limiting mechanisms 4, each protection plate assembly 2 mainly comprises a supporting bottom plate 5 and a protection top plate 6, the supporting bottom plate 5 is arranged below the protection top plate 6, a plurality of buffer mechanisms 7 are installed between the supporting bottom plate 5 and the protection top plate 6, each buffer mechanism 7 comprises a lower fixing seat 8, an upper control column 9 and a buffer spring 10, the lower fixing seat 8 is fixed on the supporting bottom plate 5, the upper control column 9 is fixed on the protection top plate 6 through bolts, a mounting hole 11 is formed in the center of the lower fixing seat 8, the upper control column 9 is inserted into the mounting hole 11, a buffer spring 10 is installed between the upper control column 9 and the installation hole 11, a limiting flange 12 is arranged on the circumference of the bottom of the upper control column 9, an annular gland 13 is further installed on the lower fixing seat 8, a pressing ring 14 is further arranged on the inner ring of the annular gland 13, the pressing ring 14 is inserted into the installation hole 11, and the bottom of the pressing ring 14 is in contact with the limiting flange 12.

The utility model discloses in adopt guard plate assembly to protect the coal-winning machine, guard plate assembly installs on coal-winning machine 1 through flexible hydro-cylinder 3 and stop gear 4, and flexible hydro-cylinder 3 can control guard plate assembly and raise or descend, and stop gear 4 is used for after flexible hydro-cylinder 3 reaches the assigned position, makes to become the hard connection between guard plate assembly and the coal-winning machine. The protection plate component adopts a combined structure and is formed by connecting a supporting bottom plate 5, a protection top plate 6 and a buffer mechanism, so that the protection top plate 6 can buffer the impact force of the coal blocks when receiving the impact of the coal blocks, the transmission of vibration to the coal mining machine is reduced, and a good protection effect is further achieved on the coal mining machine.

Wherein, protection roof 6 is the arc, and the arc is installed around having an elastic film 15, and elastic film 15 parcel is on the clearance between supporting baseplate 5 and protection roof 6, and elastic film 15 passes through the fix with screw on supporting baseplate 5 and protection roof 6. The arc-shaped plate is adopted, so that the coal mine can rapidly slide down. The elastic rubber sheet can play a dustproof role, and dust is prevented from entering a gap between the supporting bottom plate 5 and the protective top plate 6. The two sides of the supporting bottom plate 5 are also hinged with movable baffles 16, and the movable baffles mainly play a role in blocking, so that a coal mine is prevented from entering the lower part of the protection plate assembly 2.

As shown in fig. 3 and 4, the limiting mechanism 4 mainly comprises an upper connecting pipe 17, a lower connecting pipe 18, a limiting column 19 and a servo motor 20, the top of the upper connecting pipe 17 is hinged at the bottom of the fender assembly 2, the bottom of the lower connecting pipe 18 is hinged on the coal mining machine 1, the upper connecting pipe 17 is inserted in the lower connecting pipe 18, the servo motor 20 is installed in the upper connecting pipe 17, a bolt 21 for fixing the servo motor is installed on the outer wall of the upper connecting pipe 17, a rotating shaft 22 is installed on the servo motor 20, one end of the limiting column 19 is inserted in the upper connecting pipe 17, the outer diameter of the other end of the limiting column 19 is the same as that of the upper connecting pipe 17, the limiting column 19 is further provided with a shaft hole 23, the rotating shaft 22 is located in the shaft hole 23, and the end part is installed with a control rod 24 through a screw, a control rod 25 is arranged on the drive plate 24, a control rod insertion hole 26 is arranged on the end surface of the limiting column 19, limiting rods 27 are further arranged on both sides of the limiting column 19, the two sides of the inner wall of the lower connecting pipe 18 are provided with a guide groove 28 and a limit clamping groove 29, and the limit clamping groove 29 is positioned in the middle of the lower connecting pipe 18 and communicated with the guide groove 28.

The limiting mechanism is used for supporting the protection plate assembly. When the telescopic oil cylinder is used specifically, after the telescopic oil cylinder reaches the designated position, the upper connecting pipe 17 and the lower connecting pipe 18 act along with the action of the telescopic oil cylinder. Namely, the upper connecting pipe 17 slides out slowly from the lower connecting pipe 18, and the limiting rod of the limiting column 19 slides along the guide groove. When the telescopic oil cylinder reaches the designated position, the limiting rod is really positioned at the inlet position of the limiting clamping groove 29. At this time, the servo motor rotates to drive the limiting post 19 to rotate, so that the limiting rod slides into the limiting clamping groove 29 to realize limiting. At the moment, the upper connecting pipe 17, the lower connecting pipe 18 and the limiting column 19 bear the acting force of the protection plate assembly, so that the operation is simple and the control is convenient.

The foregoing is considered as illustrative and not restrictive of the preferred embodiments of the invention, and any modifications, equivalents and improvements made within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a mining machinery safety device for mining, includes the coal-winning machine, its characterized in that: the coal mining machine is provided with a plurality of protection plate assemblies, one end of each protection plate assembly is hinged to the coal mining machine, the bottom of each protection plate assembly is arranged on the coal mining machine through a telescopic oil cylinder and a limiting mechanism, each protection plate assembly mainly comprises a supporting bottom plate and a protection top plate, the supporting bottom plate is arranged below the protection top plate, a plurality of buffer mechanisms are arranged between the supporting bottom plate and the protection top plate, each buffer mechanism comprises a lower fixing seat, an upper control column and a buffer spring, the lower fixing seat is fixed on the supporting bottom plate, the upper control column is fixed on the protection top plate through bolts, the center of the lower fixing seat is provided with a mounting hole, the upper control column is inserted into the mounting hole, the buffer spring is arranged between the upper control column and the mounting hole, and the circumference of the bottom of the upper control column is provided with a limiting flange, still install annular gland on the fixing base down, annular gland's inner circle still is provided with the clamping ring, the clamping ring cartridge is in the mounting hole, and the bottom and the spacing flange of clamping ring contact.

2. The mining machine safety device as claimed in claim 1, wherein: the protection roof is the arc, and installs the elasticity film around the arc, the elasticity film parcel is on the clearance between supporting baseplate and protection roof, just the elasticity film passes through the fix with screw on supporting baseplate and protection roof.

3. The mining machine safety device as claimed in claim 1, wherein: and movable baffles are hinged to two sides of the supporting bottom plate.

4. The mining machine safety device as claimed in claim 1, wherein: the limiting mechanism mainly comprises an upper connecting pipe, a lower connecting pipe, a limiting column and a servo motor, wherein the top of the upper connecting pipe is hinged to the bottom of the protective plate component, the bottom of the lower connecting pipe is hinged to a coal mining machine, the upper connecting pipe is inserted into the lower connecting pipe, the servo motor is installed in the upper connecting pipe, a bolt for fixing the servo motor is installed on the outer wall of the upper connecting pipe, a rotating shaft is installed on the servo motor, one end of the limiting column is inserted into the upper connecting pipe, the outer diameter of the other end of the limiting column is the same as that of the upper connecting pipe, the limiting column is also provided with a shaft hole, the rotating shaft is positioned in the shaft hole, a driving plate is installed at the end part of the rotating shaft through a screw, a control rod is arranged on the driving plate, control rod inserting holes are formed in the end surface of the limiting column, limiting rods are also arranged on the two sides of the limiting column, guide grooves and limiting clamping grooves are formed in the two sides of the inner wall of the lower connecting pipe, the limiting clamping groove is positioned in the middle of the lower connecting pipe and communicated with the guide groove.