CN211115985U

CN211115985U - Auxiliary coal loading device of thin coal seam coal mining machine

Info

Publication number: CN211115985U
Application number: CN201921253371.5U
Authority: CN
Inventors: 王立; 胡莹; 朱强; 赵慧; 武文斌
Original assignee: Datong Coal Mine Group Co Ltd
Current assignee: Datong Coal Mine Group Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-07-28
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a supplementary coaling device of thin seam coal-winning machine, including the coal-winning machine casing, fixed welding has the connecting plate on the coal-winning machine casing, the bottom of connecting plate is rotated and is connected with the guide board, install two reinforcing plates in the guide board, and be equipped with current collection mechanism between two reinforcing plates, be located the below it has non-Newtonian fluid to fill between reinforcing plate and the guide inboard diapire. The utility model discloses rational in infrastructure, cushion the guide board through non-Newton fluid, can effectively reduce the possibility that the guide board damaged, simultaneously, current collection mechanism can be with the coal cinder striking when guide board, the kinetic energy of guide board turns into the electric energy to for the measuring equipment power supply, therefore this device need not to use external cable, has avoided the wearing and tearing of cable.

Description

Auxiliary coal loading device of thin coal seam coal mining machine

Technical Field

The utility model relates to a coal mining equipment technical field especially relates to supplementary coal charging device of thin seam coal-winning machine.

Background

The coal mining machine is developed and evolved from a coal cutter, is one of important equipment for realizing mechanization and modernization of coal mine production, can reduce physical labor, improve safety and achieve the purposes of high yield, high efficiency and low consumption, and the coal mining machines with different structural types need to be provided with various corresponding auxiliary devices, and the commonly used auxiliary devices comprise: a dust falling (collecting) system, a towing device of a power supply cable and a water supply pipe, an auxiliary coal charging device, a safety protection device and the like.

Present supplementary coaling device is when the coal charge, the coal cinder can produce great impact force to the coal charging board, long-term work back, the face of coal charging board can produce great deformation because of the impact force, and then lead to the damage of coal charging board, in addition, the coal-winning machine needs the continuous stable coal of cutting when coal mining, the workman judges the operating condition of coal-winning machine through observing the coal mining volume, and this judgement mode is more subjective, it is not accurate enough, if install measuring device additional in coal charging board department, how to supply power to measuring device in complicated topography department through the cable is the problem that needs to solve at present urgently, for this reason, we propose a supplementary coaling device of thin seam coal-winning machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an auxiliary coal loading device of a thin coal seam coal mining machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

supplementary coal charging device of low seam coal-winning machine, including the coal-winning machine casing, fixed welding has the connecting plate on the coal-winning machine casing, the bottom of connecting plate rotates and is connected with the guide board, install two reinforcing plates in the guide board, and be equipped with current collection mechanism between two reinforcing plates, be located the below it has non-Newtonian fluid to fill between reinforcing plate and the guide inboard diapire.

Preferably, the current collecting mechanism includes an upper substrate and a lower substrate, electrode strips and dielectric strips are arranged on the lower surface of the upper substrate in a staggered manner, the lower surfaces of the electrode strips and the dielectric strips are connected with a first dielectric layer, and a low surface energy material layer is sputtered on the lower surface of the first dielectric layer.

Preferably, the upper surface of the lower substrate is plated with an electrode layer, and the upper surface of the electrode layer is provided with a second dielectric layer.

Preferably, the upper end of connecting plate is rotated and is installed the linking arm, and the middle part of guide board is through two chain links of symmetry installation and the fixed continuous of lateral wall of linking arm.

Preferably, the conductive liquid drops are filled between the low surface energy material layer and the second dielectric layer.

The utility model has the advantages that:

1. through filling non-Newtonian fluid between lower base plate and guide board inside wall, when the guide board received the impact force, the infrabasal plate can produce the impact force to non-Newtonian fluid, and under the stress effect in the twinkling of an eye, the infrabasal plate offsets with non-Newtonian fluid, and non-Newtonian fluid is followed liquid to solid-state transition to play the cushioning effect, compare in using the spring to carry out the shock attenuation, non-Newtonian fluid does not have fatigue damage, and the shock attenuation effect can not weaken along with the increase of operating duration.

2. Through setting up the upper substrate, the infrabasal plate, first dielectric layer, the current collection mechanism that devices such as electrode strip are constituteed, when the coal cinder falls to connecting plate upper portion, the electrically conductive liquid drop can constantly move to collide between low surface energy material layer and second dielectric layer, can know according to reverse electrowetting principle, this motion process can produce certain electric energy, thereby supply power to the inductor, the power supply wire can set up inside the connecting plate, the coal cinder of motion damages the wire when avoiding the wire external.

3. The guide plate is connected with the connecting arm through the chain, so that the inclination angle of the guide plate can be changed along with the change of the collection direction of the coal blocks, and most of the coal blocks can be collected by the guide plate.

To sum up, the utility model discloses rational in infrastructure cushions the guide board through non-Newton fluid, can effectively reduce the possibility that the guide board damaged, and simultaneously, current collecting mechanism can be with when the coal cinder striking guide board, the kinetic energy of guide board turns into the electric energy to for the measuring equipment power supply, therefore this device need not to use external cable, has avoided the wearing and tearing of cable.

Drawings

Fig. 1 is a schematic structural diagram of an auxiliary coal charging device of a low seam coal mining machine according to the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is a schematic structural diagram of an upper baseplate part in the auxiliary coal charging device of the low seam coal mining machine provided by the utility model;

fig. 4 is a schematic structural diagram of a lower substrate part in the auxiliary coal charging device of the low seam coal mining machine provided by the utility model.

In the figure: 1 shearer shell, 2 push rods, 3 connecting arms, 4 cutting parts, 5 connecting plates, 6 upper substrates, 601 electrode strips, 602 first dielectric layers, 603 low surface energy material layers, 604 dielectric strips, 7 guide plates, 8 inductors, 9 lower substrates, 901 electrode layers, 902 second dielectric layers, 10 non-Newtonian fluids, 11 conductive liquid drops and 12 reinforcing plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the auxiliary coal loading device of the thin seam coal mining machine comprises a coal mining machine shell 1, a connecting plate 5 is fixedly welded on the coal mining machine shell 1, the bottom of the connecting plate 5 is rotatably connected with a guide plate 7, two reinforcing plates 12 are installed in the guide plate 7, a current collecting mechanism is arranged between the two reinforcing plates 12, a non-newton fluid 10 is filled between the reinforcing plate 12 located below and the inner bottom wall of the guide plate 7, and when impact force is applied, the form of the non-newton fluid 10 is changed from a liquid state to a solid state, so that a buffering effect is.

The utility model discloses in, current collection mechanism includes upper substrate 6 and infrabasal plate 9, and upper substrate 6's lower surface staggered arrangement is provided with electrode strip 601 and dielectric strip 604, and electrode strip 601 is connected with first dielectric layer 602 with the lower surface of dielectric strip 604 jointly, and the surface splash has plated low surface energy material layer 603 under the first dielectric layer 602.

The upper surface of the lower substrate 9 is plated with an electrode layer 901, and the upper surface of the electrode layer 901 is provided with a second dielectric layer 902.

The upper end of connecting plate 5 is rotated and is installed linking arm 3, and the upper end of linking arm 3 is equipped with cutting unit 4 for the exploitation of coal cinder, and the middle part of guide board 7 is fixed continuous with the lateral wall of linking arm 3 through two chain locks of symmetry installation.

The conductive liquid droplets 11 are filled between the low surface energy material layer 603 and the second dielectric layer 902.

When the utility model is used, the coal blocks mined by the cutting part 4 fall downwards along a parabolic track under the action of gravity, and the guide plate 7 is arranged on the falling direction of the coal blocks and inclines downwards so as to facilitate the coal blocks to fall onto the transmission track;

when the coal block hits the upper surface of the connection board 5, the reinforcing board 12 shares a certain impact force, and at the same time, the reinforcing board 12 above generates a certain deformation to press the upper substrate 6, and the upper substrate 6 compresses the conductive liquid droplets 11 and then moves toward the lower substrate 9, the conductive liquid droplets 11 will continuously collide with and press the low surface energy material layer 603 and the second dielectric layer 902 during the movement, because the size, falling speed and mass of the coal block are different, the size of the impact force changes constantly, the movement state of the conductive liquid droplets 11 changes accordingly, the pressure to the low surface energy material layer 603 and the second dielectric layer 902 is also different, and according to the reverse electrowetting principle, the frequently changing movement state can convert the energy of the liquid droplets flowing into electric energy through the low surface energy material layer 603, thereby supplying power to the sensor 8, and the connection wires thereof are arranged inside the connection board 5, abrasion generated when the lead is externally arranged can be avoided;

when the impact force of the coal briquette is large, the lower substrate 9 and the reinforcing plate 12 positioned below the lower substrate jointly extrude the non-Newtonian liquid 10, under the action of instant stress, the lower substrate 9 is abutted against the non-Newtonian liquid 10, and the non-Newtonian liquid 10 is converted from a liquid state to a solid state, so that the buffer effect is achieved, and the possibility of deformation and damage of the connecting plate 5 is reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Supplementary coal charging device of thin seam coal-winning machine, including coal-winning machine casing (1), its characterized in that, fixed welding has connecting plate (5) on coal-winning machine casing (1), the bottom of connecting plate (5) is rotated and is connected with guide board (7), install two reinforcing plates (12) in guide board (7), and be equipped with current collection mechanism between two reinforcing plates (12), be located the below it has non-Newtonian fluid (10) to fill between reinforcing plate (12) and the bottom wall in guide board (7).

2. The auxiliary coal loading device of the thin coal seam mining machine according to claim 1, characterized in that the current collection mechanism comprises an upper substrate (6) and a lower substrate (9), electrode strips (601) and dielectric strips (604) are arranged on the lower surface of the upper substrate (6) in a staggered manner, a first dielectric layer (602) is connected to the lower surfaces of the electrode strips (601) and the dielectric strips (604), and a low surface energy material layer (603) is sputtered on the lower surface of the first dielectric layer (602).

3. The auxiliary coal charging device of the low seam mining machine according to claim 2, characterized in that the upper surface of the lower base plate (9) is plated with an electrode layer (901), and the upper surface of the electrode layer (901) is provided with a second dielectric layer (902).

4. The auxiliary coal loading device of the low seam mining machine according to claim 1, characterized in that the connecting arm (3) is rotatably mounted at the upper end of the connecting plate (5), and the middle part of the guide plate (7) is fixedly connected with the side wall of the connecting arm (3) through two symmetrically mounted chain links.

5. The auxiliary coal charging device of the low seam mining machine according to claim 3, characterized in that the conductive liquid drops (11) are filled between the low surface energy material layer (603) and the second dielectric layer (902).