Fully mechanized coal mining face hydraulic support forepoling bar active supporting device

Abstract

The utility model discloses a fully mechanized coal mining face hydraulic support forepoling bar active supporting device which comprises two vertical plates, linear rails are fixedly installed on the opposite sides of the two vertical plates, sliding blocks are connected to the middles of the two linear rails in a sliding mode, the top ends of two first fixing plates are connected with second fixing plates in a sliding mode, and the top ends of the two first fixing plates are connected with the second fixing plates in a sliding mode. According to the active supporting device for the forepoling bar of the hydraulic support of the fully mechanized coal mining face, the damping mechanism is arranged, when the supporting device is collided by external force, the two steering levers extrude the damping spring from the two ends, the damping spring has elasticity, and the damping spring generates elastic deformation to buffer extrusion force; the shock absorbers buffer deformation force generated by the shock absorption springs, the phenomenon that gravel impacts a traditional supporting device, and the supporting device is deformed or damaged is avoided, the two opposite fixing plates are assembled together by arranging the reinforcing mechanisms, the length rods and the extension rods, and the mounting stability of the front detection equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining machinery and equipment, in particular to an active supporting device for a front exploration beam of a hydraulic support of a fully mechanized mining working face. Background Art

[0002] Hydraulic support is a coal mining face equipment that supports and controls the roof and is powered by high-pressure liquid and is composed of several hydraulic components and some metal structural parts connected in a certain way. It can complete a whole set of processes such as support, roof release, frame shifting, and conveyor pushing. The hydraulic support has the advantages of high structural strength, good support performance, fast moving speed, safety and reliability. It can enable the coal mining face to achieve high output, high work efficiency and high recovery rate, reduce labor intensity, reduce costs and excavation rate, and achieve safe production. Hydraulic supports are often used in the process of coal mining. People install front detection equipment for detection on the hydraulic support, and the front detection equipment is installed on the front detection beam. The single front detection beam is not reliable for the installation and fixation of the front detection equipment, so people install active support devices around the connection for auxiliary fixation.

[0003] However, the traditional support device has the following disadvantages:

[0004] In the working environment of fully mechanized mining, when the front detection equipment detects the environment inside the coal mine, gravel may fall around it. The gravel impacts the traditional support device, which may be deformed or damaged, affecting the stability of the installation of the front detection equipment. Utility Model Content

[0005] The purpose of the utility model is to provide an active support device for the front exploration beam of the hydraulic support of a comprehensive mining working face, so as to solve the problem raised in the above-mentioned background technology that in the comprehensive mining working environment, when the front detection equipment detects the environment inside the coal mine, gravel may fall around, and the gravel impacts the traditional support device, which may cause deformation or damage of the traditional support device, thereby affecting the installation stability of the front detection equipment.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an active support device for the front exploration beam of a hydraulic support of a comprehensive mining working face, comprising two vertical plates, linear rails are fixedly installed on opposite sides of the two vertical plates, sliding blocks are slidably connected to the middle parts of the two linear rails, the top ends of the two sliding blocks are rotatably connected to the first fixed plate, the top ends of the two first fixed plates are slidably connected to the second fixed plate, the ends of the two second fixed plates that are away from each other are fixedly installed with shock absorbing mechanisms, the two shock absorbing mechanisms include an assembly plate and a shock absorbing plate, first connecting seats are fixedly installed on both sides of the top ends of the assembly plates, and the interiors of the two first connecting seats are rotatable It is connected to a first direction rod, and one end of the two first direction rods away from the first connecting seat is rotatably connected to the second direction rod, the top ends of the two second direction rods are rotatably connected to the second connecting seat, and the top ends of the two second connecting seats are respectively fixedly connected to the two sides of the bottom end of the shock-absorbing plate, and the two sides of one of the first fixing plates and the two sides of one of the second fixing plates are fixedly installed with a limiting shell, and the two sides of another first fixing plate and the two sides of another second fixing plate are fixedly installed with a reinforcement mechanism, and the four reinforcement mechanisms all include a reinforcement plate and a length rod, one side of the reinforcement plate is rotatably connected to one end of the length rod, and the other end of the length rod is slidably connected to an extension rod.

[0007] Preferably, a shock-absorbing spring is fixedly installed in the middle of the two first direction rods, and one end of the two shock-absorbing springs away from the first direction rod is fixedly connected to the middle of the two second direction rods respectively, and a shock absorber is fixedly installed in the middle of the bottom end of the shock-absorbing plate, and the bottom end of the shock absorber is fixedly connected to the middle of the top end of the assembly plate.

[0008] Preferably, the bottom ends of the two assembly plates are fixedly connected to the two second fixing plates respectively.

[0009] Preferably, a plurality of spring buckles are fixedly mounted on the surface of the extension rod, and a fixing hole is opened on the surface of the length rod, and the fixing hole is arranged corresponding to the opposite spring buckle.

[0010] Preferably, one side of the four reinforcement plates is fixedly connected to one side directly facing the two first fixing plates and one side directly facing the two second fixing plates respectively.

[0011] Preferably, the four extension rods are respectively arranged corresponding to the four limiting shells, and nuts are threadedly connected at the connection points between the four extension rods and the four limiting shells.

[0012] Preferably, the top ends of the two second fixing plates are rotatably connected.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: by setting a shock-absorbing mechanism, when an external force collides with the supporting device, the two direction rods squeeze the shock-absorbing springs from both ends, and the shock-absorbing springs have elasticity, and the shock-absorbing springs undergo elastic deformation to buffer the squeezing force, and the shock absorber buffers the deformation force generated by the shock-absorbing springs, thereby avoiding the occurrence of gravel impacting the traditional supporting device, causing deformation or damage to the supporting device, and by setting a reinforcement mechanism, the length rod and the extension rod are assembled together to increase the stability of the installation of the front detection equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a side view of the utility model;

[0015] Figure 2 It is a side view of the shock absorbing mechanism of the utility model;

[0016] Figure 3 It is a side view of the reinforcement mechanism of the utility model.

[0017] In the figure: 1. vertical plate; 2. linear track; 3. first fixed plate; 4. second fixed plate; 5. shock absorbing mechanism; 51. assembly plate; 52. first connecting seat; 53. second connecting seat; 54. shock absorbing plate; 55. shock absorber; 56. second direction rod; 57. shock absorbing spring; 58. first direction rod; 6. reinforcement mechanism; 61. reinforcement plate; 62. length rod; 63. fixing hole; 64. extension rod; 65. spring buckle; 66. nut; 7. sliding block; 8. limit shell. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] See also Figure 1-3The utility model provides an active support device for the front exploration beam of a hydraulic support of a comprehensive mining working face, comprising two vertical plates 1, linear rails 2 are fixedly installed on opposite sides of the two vertical plates 1, sliding blocks 7 are slidably connected to the middle parts of the two linear rails 2, the tops of the two sliding blocks 7 are rotatably connected to the first fixed plate 3, the tops of the two first fixed plates 3 are slidably connected to the second fixed plate 4, and the ends of the two second fixed plates 4 that are away from each other are fixedly installed with shock absorbing mechanisms 5, and the two shock absorbing mechanisms 5 include an assembly plate 51 and a shock absorbing plate 54, first connecting seats 52 are fixedly installed on both sides of the top of the assembly plate 51, and first direction rods 58 are rotatably connected to the insides of the two first connecting seats 52, and the two first direction rods 58 are away from the first connecting seats 52. One end of each is rotatably connected with a second direction rod 56, the top ends of the two second direction rods 56 are rotatably connected with a second connecting seat 53, the top ends of the two second connecting seats 53 are respectively fixedly connected to the two sides of the bottom end of the shock-absorbing plate 54, the two sides of one of the first fixing plates 3 and the two sides of one of the second fixing plates 4 are fixedly installed with a limiting shell 8, the two sides of the other first fixing plate 3 and the two sides of the other second fixing plate 4 are fixedly installed with a reinforcement mechanism 6, the four reinforcement mechanisms 6 include a reinforcement plate 61 and a length rod 62, one side of the reinforcement plate 61 is rotatably connected to one end of the length rod 62, the other end of the length rod 62 is slidably connected with an extension rod 64, the sliding block 7 slides along the linear track 2 to adjust the position of the first fixed plate 3.

[0020] A shock absorbing spring 57 is fixedly installed in the middle of the two first direction rods 58, and one end of the two shock absorbing springs 57 away from the first direction rod 58 is fixedly connected to the middle of the two second direction rods 56 respectively. A shock absorber 55 is fixedly installed in the middle of the bottom end of the shock absorbing plate 54, and the bottom end of the shock absorber 55 is fixedly connected to the middle of the top end of the assembly plate 51. When an external force squeezes the shock absorbing plate 54, the shock absorbing plate 54 moves toward the direction close to the assembly plate 51, and the first direction rod 58 is angularly deflected relative to the second direction rod 56. The first direction rod 58 and the second direction rod 56 squeeze the shock absorbing spring 57 from both ends. The shock absorbing spring 57 is elastic, and the shock absorbing spring 57 undergoes elastic deformation to buffer the squeezing force, and the shock absorbing plate 54 squeezes the shock absorber 55 from one side, and the shock absorber 55 buffers the deformation force generated by the shock absorbing spring 57.

[0021] The bottom ends of the two assembling plates 51 are fixedly connected to the two second fixing plates 4 respectively, and the shock absorbing mechanism 5 is installed on the second fixing plates 4 through the assembling plates 51 .

[0022] A plurality of spring buckles 65 are fixedly mounted on the surface of the extension rod 64 , and a fixing hole 63 is opened on the surface of the length rod 62 . The fixing hole 63 is arranged corresponding to the spring buckle 65 facing the fixing hole 63 , and the user installs the fixing hole 63 through the spring buckle 65 .

[0023] One side of the four reinforcing plates 61 is fixedly connected to the side opposite to the two first fixing plates 3 and the side opposite to the two second fixing plates 4 , respectively. The reinforcing mechanism 6 is installed on the first fixing plates 3 and the second fixing plates 4 through the reinforcing plates 61 .

[0024] The four extension rods 64 are respectively arranged corresponding to the four limit shells 8, and the connection points between the four extension rods 64 and the four limit shells 8 are all threadedly connected with nuts 66. The reinforcement mechanism 6 is installed on the limit shell 8 through the extension rods 64, and the user twists the nut 66. The thread on the inner wall of the nut 66 matches the thread on the surface of the extension rod 64, so the nut 66 rotates and translates relative to the extension rod 64.

[0025] The top ends of the two second fixing plates 4 are rotatably connected, and the two second fixing plates 4 are connected together.

[0026] When the embodiment of the present application is in use: the sliding block 7 slides along the linear track 2, and the position of the first fixed plate 3 is adjusted so that the support device is located directly above the front detector. The user installs it on the fixing hole 63 through the spring buckle 65 to complete the fixation of the extension rod 64 and the length rod 62. The user screws the nut 66, and the thread on the inner wall of the nut 66 matches the thread on the surface of the extension rod 64, so the nut 66 rotates and translates relative to the extension rod 64, and the fixing plates are assembled into a stable triangle. When an external force squeezes the shock-absorbing plate 54, the shock-absorbing plate 54 moves toward the direction close to the assembly plate 51, and the first direction rod 58 deflects at an angle relative to the second direction rod 56. The first direction rod 58 and the second direction rod 56 squeeze the shock-absorbing spring 57 from both ends. The shock-absorbing spring 57 is elastic, and the shock-absorbing spring 57 undergoes elastic deformation to buffer the squeezing force, and the shock-absorbing plate 54 squeezes the shock absorber 55 from one side, and the shock absorber 55 buffers the deformation force generated by the shock-absorbing spring 57.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An active support device for the front exploration beam of a hydraulic support of a fully mechanized mining working face, comprising two vertical plates (1), characterized in that: A linear track (2) is fixedly installed on one side opposite to the two vertical plates (1), a sliding block (7) is slidably connected to the middle of the two linear tracks (2), the tops of the two sliding blocks (7) are rotatably connected to the first fixed plate (3), the tops of the two first fixed plates (3) are slidably connected to the second fixed plate (4), and the ends of the two second fixed plates (4) facing away from each other are fixedly installed with a shock absorbing mechanism (5), and the two shock absorbing mechanisms (5) include an assembly plate (51) and a shock absorbing plate (54), first connecting seats (52) are fixedly installed on both sides of the top of the assembly plate (51), and first direction rods (58) are rotatably connected inside the two first connecting seats (52), and the two first direction rods (58) are away from the first connecting seats (52). One end of each of the two first fixing plates (3) is rotatably connected to a second direction rod (56), the top ends of the two second direction rods (56) are rotatably connected to a second connection seat (53), the top ends of the two second connection seats (53) are respectively fixedly connected to the two sides of the bottom end of the shock absorbing plate (54), the two sides of one of the first fixing plates (3) and the two sides of one of the second fixing plates (4) are fixedly mounted with a limiting shell (8), the two sides of another of the first fixing plates (3) and the two sides of another of the second fixing plates (4) are fixedly mounted with a reinforcement mechanism (6), the four reinforcement mechanisms (6) each comprising a reinforcement plate (61) and a length rod (62), one side of the reinforcement plate (61) is rotatably connected to one end of the length rod (62), and the other end of the length rod (62) is slidably connected to an extension rod (64).

2. The active support device for the front exploration beam of a hydraulic support of a fully mechanized mining working face according to claim 1 is characterized in that: A shock absorbing spring (57) is fixedly mounted in the middle of the two first direction rods (58); one end of the two shock absorbing springs (57) away from the first direction rod (58) is fixedly connected to the middle of the two second direction rods (56), respectively; a shock absorber (55) is fixedly mounted in the middle of the bottom end of the shock absorbing plate (54); and the bottom end of the shock absorber (55) is fixedly connected to the middle of the top end of the assembly plate (51).

3. The active support device for the front exploration beam of a hydraulic support of a fully mechanized mining working face according to claim 1 is characterized in that: The bottom ends of the two assembly plates (51) are fixedly connected to the two second fixing plates (4) respectively.

4. The active support device for the front exploration beam of a hydraulic support of a fully mechanized mining working face according to claim 1 is characterized in that: A plurality of spring buckles (65) are fixedly mounted on the surface of the extension rod (64), and a fixing hole (63) is opened on the surface of the length rod (62), wherein the fixing hole (63) is arranged corresponding to the spring buckles (65) facing each other.

5. The active support device for the front exploration beam of a hydraulic support of a fully mechanized mining working face according to claim 1 is characterized in that: One side of the four reinforcing plates (61) is respectively fixedly connected to a side directly facing the two first fixing plates (3) and a side directly facing the two second fixing plates (4).

6. The active support device for the front exploration beam of a hydraulic support of a fully mechanized mining working face according to claim 1 is characterized in that: The four extension rods (64) are respectively arranged corresponding to the four limiting shells (8), and nuts (66) are threadedly connected at the connection points between the four extension rods (64) and the four limiting shells (8).

7. The active support device for the front exploration beam of a hydraulic support of a fully mechanized mining working face according to claim 1 is characterized in that: The top ends of the two second fixing plates (4) are rotatably connected.

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