Fully mechanized coal mining face end support guard plate control device
By designing hydraulic control devices for supporting the top plate and side guard plates at the end bracket of the comprehensive mining working face, combined with the used belt buffering and guidance components, the safety hazards at the end brackets are solved, and all-round protection and safety guidance are achieved, and the safety and production efficiency of the comprehensive mining working face are improved.
Patent Information
- Application Number
- CN202422180899.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-09-06
AI Technical Summary
The ore pressure at the end bracket of the comprehensive mining working face is obvious, resulting in the roof crushing and anchor bolt ejection, which poses a risk of leakage and injury. The existing support measures are not effective enough.
A terminal bracket guard plate control device including a support roof plate, a side guard plate and a hydraulic cylinder is designed. The support roof plate and a side guard plate are controlled by hydraulically forming an L-shaped protective structure, combined with the buffering effect of the waste belt, providing all-round protection, and equipped with guidance components to improve safety and lighting effects.
Effectively prevent accidents of roof anchor bolt ejection and leakage of gangue injury, reduce the workload of anchor cable support, improve operational safety, simplify operational processes, and improve production efficiency.
Smart Images

Figure CN223293761U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mining safety, in particular to a control device for a fully mechanized mining working face end support guard plate. Background Art
[0002] During the mining process of the fully mechanized mining face, side guard plates are designed at the edges of the end supports used in the working face. However, the end support is still 0.8-1.0 meters away from the auxiliary wall. Due to the downward mining, the pressure is ahead, and the mine pressure in the tail triangle area is obvious. It is very easy for the roof to break, the anchor rod to be ejected, and the gangue to leak and injure people. In order to avoid the occurrence of the leakage of grinding at the end support, a fully mechanized mining face end support guard plate control device is proposed to address the above problems. Utility Model Content
[0003] The problem solved by the utility model is to provide a comprehensive mining working face end support guard plate control device, which forms a good safety protection in the tail end area of the machine, reduces the original anchor rod and anchor cable support workload, and effectively ensures the personal safety of regional workers.
[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0005] A control device for an end support guard plate of a comprehensive mining working face comprises an end support, a supporting top plate being provided on an outer side of the end support, a first articulated seat and a second articulated seat being sequentially installed on both sides of the end support from bottom to top, a first telescopic oil cylinder being articulated on one side of the first articulated seat, the top end of the telescopic rod of the first telescopic oil cylinder being articulated to the outer end of the supporting top plate, and the inner end of the supporting top plate being articulated to the second articulated seat, a second telescopic oil cylinder being articulated on the inner side of the bottom surface of the supporting top plate, and a side guard plate being articulated on one side of the telescopic rod of the second telescopic oil cylinder, a third articulated seat being fixedly installed on the top end surface of the side guard plate, and the third articulated seat being articulated to one side of the outer edge of the supporting top plate.
[0006] Furthermore, a spring pressure plate is provided directly above the top end surface of the side guard plate, and a plurality of springs are fixedly installed on the bottom end surface of the spring pressure plate, and the bottom of the spring is fixedly connected to the top end surface of the side guard plate. By providing the spring pressure plate, a good elastic buffering effect can be achieved.
[0007] Furthermore, waste belts are fitted on the inner end faces of the supporting top plate and the side guard plates; the waste belts can provide a good buffering and protective effect, and at the same time, the production efficiency can be effectively improved by reusing the waste belts.
[0008] Furthermore, the first telescopic cylinder and the second telescopic cylinder are both Q-80 hydraulic cylinders, and the inlet and return pipes of the hydraulic cylinders are connected to the external hydraulic valve group and are electrically controlled by solenoid valves; this facilitates electromagnetic control, thereby realizing the telescopic adjustment of the structure.
[0009] Furthermore, a guiding component is provided at the bottom of one side of the exterior of the end bracket;
[0010] The guiding assembly includes a positioning frame, which is fixedly mounted on the outer end face of the end bracket, and a plurality of guide holes are opened on the end face of the positioning frame. A mounting light box is fixedly mounted on one side of the positioning frame, and the interior of the mounting light box is connected to the guide holes. A signal light is fixedly mounted on one side of the interior of the mounting light box, and a translucent light board is fitted on the outside of the signal light. Electric guide rails are fixedly mounted on the center of both sides of the outer wall of the mounting light box, and a guide rail slide is installed on the external connection of the electric guide rail. A soot brush is fixedly mounted between the two guide rail slides, and the inner side of the soot brush is fitted with the surface of the translucent light board. A marker light strip is fixedly mounted on the outer end face of the soot brush.
[0011] Furthermore, an assembly plate is fixedly installed on both the top and bottom sides of the positioning frame, an assembly screw is installed in the center of the end face of the assembly plate through a threaded connection, and one end of the assembly screw passes through the assembly plate and is fixedly connected to the end face of the end bracket.
[0012] The beneficial effects of the present invention are as follows: the overall structure of the support guard plate control device for the end of the comprehensive mining working face is simple and easy to install; when in use, by adjusting the position of the telescopic rod on one side of the telescopic oil cylinder, the supporting top plate and the side guard plate can be unfolded to form an L-shaped protective structure, thereby achieving a full protection effect, effectively ensuring the personal safety of workers in the tail area of the comprehensive mining working face, eliminating the safety hazards of the top plate anchor rods and cables popping out and injuring people and the two side panels injuring people, and can also effectively reduce the original workload of the anchor rod and cable support; at the same time, it can have a good light guidance function to avoid collisions between people and the side guard plates, and improve the lighting guidance effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 This is a schematic structural diagram of the guiding assembly of the present utility model;
[0015] Figure 3 This is the overall front view of the utility model;
[0016] Figure 4 for Figure 3 Schematic cross-sectional view of AA in the figure;
[0017] Figure 5 It is an overall side view of the utility model.
[0018] Legend:
[0019] 1. End bracket; 2. First articulated seat; 3. Second articulated seat; 4. First telescopic cylinder; 5. Support top plate; 6. Second telescopic cylinder; 7. Side guard plate; 8. Third articulated seat; 9. Spring pressure plate; 10. Guiding assembly; 101. Positioning frame; 102. Assembly plate; 103. Diversion hole; 104. Install light box; 105. Signal light; 106. Transparent light board; 107. Electric guide rail; 108. Guide rail slide; 109. Soot brush; 1010. Clearance light strip. DETAILED DESCRIPTION
[0020] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] Specific examples are given below.
[0022] See also Figures 1 to 5, a control device for the end support guard plate of a fully mechanized mining working face, comprising an end support 1, a supporting top plate 5 is provided on one side of the outer side of the end support 1, a first hinge seat 2 and a second hinge seat 3 are sequentially installed on both sides of the end support 1 from bottom to top, a first telescopic oil cylinder 4 is hingedly installed on one side of the first hinge seat 2, the top of the telescopic rod of the first telescopic oil cylinder 4 is hinged to the outer end of the supporting top plate 5, and the inner end of the supporting top plate 5 is hinged to the second hinge seat 3, a second telescopic oil cylinder 6 is hingedly installed on the inner side of the bottom surface of the supporting top plate 5, and a side guard plate 7 is hingedly installed on one side of the telescopic rod of the second telescopic oil cylinder 6, and the top end surface of the side guard plate 7 is fixedly installed with a third hinge seat 8, and the third articulated seat 8 is hinged to one side of the outer edge of the supporting top plate 5; a spring pressure plate 9 is provided just above the top end surface of the side guard plate 7, and a plurality of springs are fixedly installed on the bottom end surface of the spring pressure plate 9, and the bottom of the spring is fixedly connected to the top end surface of the side guard plate 7; when working, since the first telescopic oil cylinder 4 is hinged to one side of the end bracket 1 through the first articulated seat 2, the supporting top plate 5 is hinged to one side of the end bracket 1 through the second articulated seat 3, and the side guard plate 7 is hinged to the supporting top plate 5 through the third articulated seat 8, the first telescopic oil cylinder 4 can be started to push the supporting top plate 5 upward, and the second telescopic oil cylinder 6 can be started to expand the support of the side guard plate 7, and the supporting top plate 5 and the side guard plate 7 are formed into an L At the same time, when the supporting top plate 5 is lifted up, the spring pressure plate 9 can play a good buffering role to prevent the spring pressure plate 9 from colliding violently with the anchor net at the top of the working surface, thereby reducing the secondary protection of the return anchor rod and anchor cable by the staff at the tail position, and effectively saving work hours.
[0023] The inner end surfaces of the supporting top plate 5 and the side guard plate 7 are fitted with waste belts; the waste belts can provide good buffering and protective effects on the inner end surfaces of the supporting top plate 5 and the side guard plate 7. At the same time, by reusing the waste belts, the production efficiency is effectively improved.
[0024] The first telescopic oil cylinder 4 and the second telescopic oil cylinder 6 are both Q-80 hydraulic oil cylinders, and the inlet and return liquid pipes of the hydraulic oil cylinders are both connected to the external hydraulic valve group and are electronically controlled by solenoid valves; electromagnetic control is convenient for realizing the telescopic adjustment of the structure, and the operation is simple, which is convenient for single-person operation, effectively reducing labor intensity, and one person can perform tail operations.
[0025] A guide assembly 10 is provided at the bottom of one side of the exterior of the end bracket 1; the guide assembly 10 can facilitate information guidance, thereby facilitating personnel to move according to the instruction information;
[0026] The guiding assembly 10 includes a positioning frame 101, which is fixedly mounted on the outer end surface of the end bracket 1, and a plurality of guide holes 103 are opened on the end surface of the positioning frame 101. A mounting light box 104 is fixedly mounted on one side of the positioning frame 101, and the interior of the mounting light box 104 is connected to the guide holes 103. A signal light 105 is fixedly mounted on one side of the interior of the mounting light box 104, and a translucent light board 105 is fixedly mounted on the outer side of the signal light 105. 6. The center of both sides of the outer wall of the light box 104 is fixedly installed with an electric guide rail 107, and the outer connection of the electric guide rail 107 is installed with a guide rail slide 108. A soot brush 109 is fixedly installed between the two guide rail slides 108, and the inner side of the soot brush 109 is in contact with the surface of the light-transmitting light board 106. The outer end surface of the soot brush 109 is fixedly installed with a marker light strip 1010; the top and bottom sides of the positioning frame 101 are fixedly installed with The assembly plate 102 is provided with an assembly screw at the center of the end face of the assembly plate 102 through a threaded connection, and one end of the assembly screw passes through the assembly plate 102 and is fixedly connected to the end face of the end bracket 1; the assembly screw passes through the assembly plate 102 and is fixed to the end bracket 1, so that the positioning frame 101 is installed on one side of the end bracket 1, and when the signal light 105 inside the light box 104 is installed and working, the light display is conveniently performed through the translucent light board 106, and the light information can also be displayed through the position marker light strip 1010 outside the soot brush 109; since the interior of the installed light box 104 is connected with the guide hole 103, it is convenient to circulate air between the interior of the installed light box 104 and the outside, thereby driving the heat dissipation of the signal light 105; at the same time, when the electric guide rail 107 is working, the guide rail slide 108 slides on the outside of the electric guide rail 107, thereby driving the soot brush 109 to clean the surface of the translucent light board 106, thereby preventing soot and floating dust from affecting the light transmission effect of the translucent light board 106.
[0027] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A fully mechanized mining face end support guard plate control device, characterized in that: include: An end bracket (1), wherein a supporting top plate (5) is provided on one side of the outside of the end bracket (1), a first hinge seat (2) and a second hinge seat (3) are sequentially installed on both sides of the end bracket (1) from bottom to top, and a first telescopic oil cylinder (4) is hingedly installed on one side of the first hinge seat (2); A supporting top plate (5), wherein the top end of the telescopic rod of the first telescopic oil cylinder (4) is hinged to the outer end of the supporting top plate (5), and the inner end of the supporting top plate (5) is hinged to the second hinge seat (3); a second telescopic oil cylinder (6) is hingedly mounted on the inner side of the bottom surface of the supporting top plate (5), and a side guard plate (7) is hingedly mounted on one side of the telescopic rod of the second telescopic oil cylinder (6); A third hinge seat (8) is fixedly mounted on the top end surface of the side guard plate (7), and the third hinge seat (8) is hinged to one side of the outer edge of the supporting top plate (5).
2. A fully mechanized mining face end support guard plate control device according to claim 1, characterized in that: A spring pressure plate (9) is provided just above the top end surface of the side guard plate (7), a plurality of springs are fixedly mounted on the bottom end surface of the spring pressure plate (9), and the bottom of the spring is fixedly connected to the top end surface of the side guard plate (7).
3. A fully mechanized mining face end support guard plate control device according to claim 2, characterized in that: Waste belts are fitted onto the inner end surfaces of the supporting top plate (5) and the side guard plates (7).
4. A fully mechanized mining face end support guard plate control device according to claim 3, characterized in that: The first telescopic oil cylinder (4) and the second telescopic oil cylinder (6) are both Q-80 hydraulic oil cylinders, and the inlet and return liquid pipes of the hydraulic oil cylinders are both connected to the external hydraulic valve group and are electrically controlled by solenoid valves.
5. A fully mechanized mining face end support guard plate control device according to claim 4, characterized in that: A guiding assembly (10) is provided at the bottom of one outer side of the end bracket (1); The guiding assembly (10) includes a positioning frame (101), the positioning frame (101) is fixedly mounted on the outer end surface of the end bracket (1), and the end surface of the positioning frame (101) is provided with a plurality of guide holes (103), a mounting light box (104) is fixedly mounted on one side of the positioning frame (101), and the interior of the mounting light box (104) is communicated with the guide holes (103), a signal light (105) is fixedly mounted on one side of the interior of the mounting light box (104), and the signal light (105) is fixedly mounted on the inner side of the mounting light box (104). A translucent light panel (106) is fitted on the outside, electric guide rails (107) are fixedly mounted at the center of both sides of the outer wall of the light box (104), and a guide rail slide (108) is installed on the outside of the electric guide rail (107), and a soot brush (109) is fixedly mounted between the two guide rail slides (108), and the inner side of the soot brush (109) is fitted and connected to the surface of the translucent light panel (106), and a marker light strip (1010) is fixedly mounted on the outer end face of the soot brush (109).
6. A fully mechanized mining face end support guard plate control device according to claim 5, characterized in that: Assembly plates (102) are fixedly mounted on both the top and bottom sides of the positioning frame (101), an assembly screw is mounted at the center of the end face of the assembly plate (102) via a threaded connection, and one end of the assembly screw passes through the assembly plate (102) and is fixedly connected to the end face of the end bracket (1).