Underground working face crusher belt cover and mining crusher

Abstract

An underground working face crusher belt cover comprises a cover body and a cover plate installed on the cover body, an observation window is formed in the cover plate, a valve seat is installed on the observation window, an observation hole right opposite to the observation window is formed in the valve seat, and a valve plate capable of sliding along the valve seat is installed on the valve seat. The utility model further provides a mining crusher. According to the utility model, the observation window is improved into a valve plate drawing and inserting type, the valve plate is placed under the action of gravity, the window valve is firmly mounted, freely drawn and placed, simple and easy to operate and convenient to observe in the working process of the crusher, the problems of low bolt strength and small moving space are solved, the situation that the window cannot be opened when a belt cover deforms is avoided, and the service life of the crusher is prolonged. And the effect of preventing foreign matters from entering can be achieved. During disassembly and assembly, the cover plate and the belt pulley are quickly aligned in mounting position and then are connected and fastened by bolts, so that the assembly efficiency and the assembly safety coefficient are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crusher technical field especially relates to a downhole working face crusher belt cover and mine crusher. BACKGROUND

[0002] The existing belt cover such as Figure 1 As shown, the observation window on the cover plate is mainly composed of 7 parts of the bolt, the bolt seat, the valve seat, the valve, the handle, adopts the bolt nut and the cover plate connection. Cover plate installs 2 fixed plates and handle additionally. When installing downhole, the worker needs to hold the 2 handles of the fixed plate on the cover plate with two hands, and the cover plate is assembled after aligning with the belt cover by manpower, and then the parts on the cover plate are fastened with bolts one by one. After the cover plate and other parts are fastened and assembled with the belt cover cover by bolts, the cover assembly is hung with nylon rope, and the belt cover is assembled after being turned over manually and aligning with the belt pulley installation position. When the working face needs to be replaced downhole, the belt cover needs to be modified into another direction, and then the parts on the cover plate must be disassembled and reversed, and assembled on the reverse side of the cover plate shown in Figure 1 During the assembly process, due to too many parts, disassembly and assembly are time-consuming and laborious, and the labor cost is high.

[0003] In addition, the observation window structure of the traditional belt cover is complex, the bolt strength is low, the observation window valve opening space is small. And the window cannot be opened or cannot be installed after being opened under the condition of belt cover deformation. The window is easy to drop into sundries, which affects the normal operation of the belt. SUMMARY

[0004] In order to solve the technical problems existing in the above-mentioned technology, in view of this, it is necessary to provide a downhole working face crusher belt cover.

[0005] A downhole working face crusher belt cover, comprising a cover body and a cover plate installed on the cover body, an observation window is formed on the cover plate, a valve seat is installed on the observation window, an observation hole opposite to the observation window is formed on the valve seat, and a valve plate capable of sliding along the valve seat is installed on the valve seat.

[0006] Preferably, the valve plate can slide up and down along the longitudinal direction of the valve seat.

[0007] Preferably, the upper end of the valve plate is fixedly provided with a limiting plate to limit the downward displacement of the valve plate.

[0008] Preferably, the limiting plate is perpendicular to the valve plate, so that the limiting plate and the valve plate form an L-shaped structure.

[0009] Preferably, the valve seat is fixed on the cover plate by bolts, and a cavity is left between the valve seat and the cover plate for the upward and downward sliding of the valve plate.

[0010] Preferably, the hanger lug is arranged on the cover plate.

[0011] Preferably, the hanger lug is arranged on the upper end of the cover plate.

[0012] Preferably, the cover plate is fixed on the cover body by bolts.

[0013] It is also necessary to provide a mine crusher.

[0014] The mine crusher comprises the underground working face crusher belt cover.

[0015] Compared with the prior art, the underground working face crusher belt cover provided by the utility model has the advantages that the observation window is improved into the plug-in type of the shutter plate, the shutter plate is placed by gravity, the shutter of the window is firmly installed during the working process of the crusher, the shutter plate can be easily pulled out and put in, the operation is simple, the observation is convenient, the problems of low strength of the bolt and small activity space are solved, the situation that the window cannot be opened when the belt cover is deformed is avoided, the effect of preventing foreign matters from entering is achieved, and the assembly efficiency and the assembly safety factor are improved when the cover plate and the belt pulley are quickly aligned and then fastened by bolts during disassembly and assembly. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0017] Figure 1 It is a structural schematic diagram of the traditional belt cover.

[0018] Figure 2 It is a structural schematic diagram of the utility model.

[0019] Figure 3 It is a structural schematic diagram of the cover plate of the utility model.

[0020] Figure 4 It is a structural schematic diagram of the connection of the shutter seat and the shutter plate of the utility model.

[0021] Figure 5 It is a sectional view structural schematic diagram of the utility model. Figure 4

[0022] ​In the figure: cover body 01, cover plate 02, valve seat 03, valve plate 04, limiting plate 05, lifting lug 06, observation window 07. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] In the description of the utility model, it is understood that the terms "upper", "middle", "outer", "inner", "lower" and the like indicate the orientation or position relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] Please refer to Figures 2 to 5 In one embodiment, the utility model provides a downhole working face crusher belt cover, including cover body 01 and cover plate 02 installed on cover body 01, wherein the cover plate 02 is fixed on the cover body 01 by bolts, the cover plate 02 is provided with an observation window 07, the valve seat 03 is installed on the observation window 07, the valve seat 03 is provided with an observation hole opposite to the observation window 07, and the valve plate 04 capable of sliding along the valve seat 03 is installed on the valve seat 03. The observation window 07 is improved into the valve plate 04 pull-out type, the valve plate 04 is placed by gravity, the window valve is installed firmly during the working process of the crusher, and is pulled out and put in freely, which is simple and easy to operate, convenient to observe, solves the problems of low strength of the bolt and small activity space, avoids the situation that the window cannot be opened when the belt cover is deformed, and can achieve the effect of preventing foreign matters from entering. When disassembling, the cover plate 02 and the belt pulley installation position are quickly aligned, then the bolts are connected and fastened, the assembly efficiency and assembly safety factor are improved.

[0026] In one embodiment, the valve plate 04 can slide up and down along the longitudinal direction of the valve seat 03.

[0027] In one embodiment, the upper end of the valve plate 04 is fixedly provided with a limiting plate 05 to limit the downward displacement of the valve plate 04.

[0028] The limiting plate 05 is perpendicular to the valve plate 04, so that the limiting plate 05 and the valve plate 04 form an L-shaped structure. When the valve plate 04 blocks the whole observation window 07 and the observation hole, the movable plate is in the lowest position, that is, the limiting plate 05 is in contact with the upper end of the valve seat 03, at this time, the limiting plate 05 plays a limiting role on the movable plate; when it is needed to pull the valve plate 04 upward, it is only needed to hold the limiting plate 05 and lift it upward, so that the movable plate can be opened conveniently.

[0029] In an embodiment, the valve seat 03 is fixed on the cover plate 02 through bolts, and a cavity for the valve plate 04 to slide up and down is left between the valve seat 03 and the cover plate 02, so that the movable plate can slide up and down along the cavity, so as to form a guiding effect on the movable plate.

[0030] In an embodiment, the valve seat 03 is provided with a lifting lug 06. When disassembling, a special lifting tool is used to vertically lift by a monorail crane, the belt cover and the belt pulley installation position are quickly aligned, then the bolts are connected and fastened, so that the assembly efficiency and the assembly safety factor are improved, the installation hidden danger is excluded, and the problems of long installation time and high labor cost are solved.

[0031] In order to facilitate hoisting and installation after hoisting, the lifting lug 06 is located at the upper end of the cover plate 02.

[0032] In an embodiment, the utility model provides a mine crusher, including the underground working surface crusher belt cover, the crusher body and the power part capable of driving the crusher body to run, and the underground working surface crusher belt cover is installed at the power part belt pulley.

[0033] The above disclosed is only the preferred embodiment of the utility model, of course, cannot be used to limit the utility model right range, the person skilled in the art can understand that the whole or part processes of the above-mentioned embodiment are realized, and the equivalent changes made according to the utility model claim still belong to the range covered by the utility model.

Claims

1. An underface crusher belt cover characterised in that: The cover plate is installed on the cover body, and an observation window is formed in the cover plate.

2. The underface breaker belt cover of claim 1, wherein: The flap plate can slide up and down along the longitudinal direction of the flap seat.

3. An underface breaker belt cover according to claim 2, characterised in that: The upper end of the flap plate is fixedly provided with a limiting plate to limit the downward displacement of the flap plate.

4. An underface breaker belt cover according to claim 3, characterised in that: The limiting plate is perpendicular to the flap plate, and the limiting plate and the flap plate form an L-shaped structure.

5. The underface breaker belt cover of claim 2, wherein: The flap seat is fixed on the cover plate by bolts, and a cavity for the flap plate to slide up and down is left between the flap seat and the cover plate.

6. The underface breaker belt cover of claim 1, wherein: The flap seat is provided with an ear.

7. A facebreaker belt cover according to claim 6, characterised in that: The ear is located at the upper end of the cover plate.

8. The underface breaker belt cover of claim 1, wherein: The cover plate is fixed on the cover body by bolts.

9. A mining crusher characterised by: The underground working face crusher belt cover comprises the underground working face crusher belt cover.

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