Mining scraper conveyor

Abstract

The utility model discloses a mining scraper conveyor, and relates to the technical field of scraper conveyors. Comprising a shell, a groove is formed in the top of the shell, a first chain drive set is movably connected in the groove, a scraper is connected to the first chain drive set, a cavity is formed in the shell, a first motor is fixed in the cavity and is in transmission connection with the first chain drive set, and a discharging port is formed in the bottom of the shell. And a discharge hopper is arranged below the discharge port. A plurality of U-shaped plates are erected, spraying pipes with sprayers are fixed to the bottoms of the U-shaped plates, the spraying pipes are connected with a water tank, so that a groove, a first chain drive set and a scraper blade can be washed above a shell, and water flow sprayed out of the sprayers can completely cover the interior of the groove through cooperation of the multiple spraying pipes; the device is simple in structure, convenient to use and convenient to clean, and slag, gravel and the like which are adhered and remained in the groove are washed down.

Description

Technical Field

[0001] The utility model relates to the technical field of scraper machines, in particular to a scraper machine for mining. Background Art

[0002] Scraper is a kind of transport machinery used in coal mining working face. It is mainly used for coal mining working face and mining area chute transportation. It can also be used in coal tunnel and semi-coal rock tunnel excavation working face.

[0003] The prior art publication number CN217554889U is a mining scraper that is conducive to cleaning, comprising a scraper housing, side fixing frames are fixedly installed on the two outer sides below the scraper housing, a reducer is fixedly connected to the outer side of the side fixing frame on one side, the reducer is transmission-connected to a driving motor, an active roller is rotatably installed on the inner side of the scraper housing, and the active roller is transmission-connected to the reducer; transmission chains are arranged on both sides of the scraper housing, the transmission chains are transmission-connected to the active roller, a plurality of groups of scraper assemblies are fixedly installed between the transmission chains on both sides, and a brush plate is installed at the bottom of the scraper assembly; through the arrangement of the brush plate on the bottom surface of the scraper assembly, during the operation of the scraper, friction is generated between the brush plate and the inside of the scraper housing to continuously clean up the slag that falls into the scraper, and the slag is prevented from adhering to the inner wall of the scraper housing, which is conducive to cleaning; the utility model has a simple structure and is easy to operate, and is worthy of popularization.

[0004] The scraper machine cleans the inside of the scraper machine by arranging a brush plate at the bottom of the scraper to prevent slag from adhering to the inner wall of the shell. However, the brush plate of the above device is fixed at the bottom of the scraper, and only the bottom of the shell can be cleaned by the movement of the scraper during cleaning. When the scraper machine transports the minerals outside the mine, it transports piles of minerals, so that there will also be slag residues on the inner wall of the shell, and the above device cannot clean the side wall, resulting in incomplete cleaning. Utility Model Content

[0005] The technical problem solved by the utility model is to overcome the defects of the prior art such as incomplete cleaning, and provide a mining scraper having the characteristics of complete cleaning.

[0006] To achieve the above object, the utility model provides the following technical solution: a mining scraper, comprising a shell, a groove is provided on the top of the shell, a first chain group is movably connected in the groove, a scraper is connected to the first chain group, a cavity is provided on the shell, a first motor is fixed in the cavity, the first motor is transmission-connected to the first chain group, a discharge port is provided at the bottom of the shell, and a discharge hopper is provided below the discharge port;

[0007] The first chain moving group is composed of a chain and a sprocket. The first chain moving group is provided with two groups, which are respectively located at the front and rear sides of the groove. A rotating rod is fixed between the sprockets of the two groups of the first chain moving groups. The rotating rod is movably connected to the groove. The scrapers are provided with a plurality of scrapers, which are all located between the two first chain moving groups, and the front and rear sides are respectively fixed to the adjacent chains. The scrapers are evenly distributed along the chain. The first motor output shaft is fixed with a pulley group, and the rotating rod extends into the cavity and is fixed to the pulley group.

[0008] A plurality of U-shaped plates are arranged above the shell, and the plurality of U-shaped plates are distributed in a transverse linear array. A spray pipe is fixed to the inner wall of the top of the U-shaped plate, and a spray head is fixed to the bottom of the spray pipe. A connecting pipe is arranged between two adjacent U-shaped plates, and both ends of the connecting pipe are fixed to the adjacent spray pipes.

[0009] A water tank is fixed at the bottom of the shell, a water pump is fixed in the cavity, a water pumping pipe at the bottom of the water pump extends into the water tank, and a connecting pipe is fixed between a water delivery pipe at the top of the water pump and an adjacent spray pipe.

[0010] Preferably, a second motor is fixed in the cavity, a second chain group is movably connected to the front side of the cavity, and the second chain group is composed of a chain and a sprocket, the output end of the second motor is fixed to the sprocket, a slide groove is provided on the front side of the outer shell, a lever is fixed on the chain of the second chain group, a slot is provided on the rightmost U-shaped plate, the lever passes through the slide groove and is inserted in the slot, a connecting rope is fixed between two adjacent U-shaped plates, and proximity switches are fixed on the left and right vertical plates.

[0011] Preferably, two left and right vertical plates are fixed on both the front and rear sides of the shell, two upper and lower fixing rods are fixed between the two vertical plates, an opening is opened on the U-shaped plate, the fixing rod passes through the opening, and a connecting rope is fixed between the leftmost U-shaped plate and the adjacent vertical plate.

[0012] Preferably, the connecting pipe is a plastic hose.

[0013] Preferably, a leg is fixed to the bottom of the shell on the right side of the water tank, a cylinder is fixed to the leg, the cylinder is fixed to the discharge hopper, a water collecting hopper is fixed to the left side of the discharge hopper, an inclined filter screen is fixed to the top of the water collecting hopper, and a water pipe is fixed between the lowest point of the water collecting hopper and the water tank.

[0014] Preferably, two slide rails are fixed between the water tank and the supporting legs, and the two slide rails are located at the front and rear sides of the discharge hopper, and sliders slidably connected to the slide rails are fixed at the bottom of the discharge hopper and the water collecting hopper.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. Several U-shaped plates are mounted on the outer shell, and spray pipes with spray heads are fixed at the bottom of the several U-shaped plates. A water pump and a water tank are fixed on the outer shell, and the inlet and outlet of the water pump are respectively connected to the spray pipe and the water tank, so that the groove, the first chain drive group and the scraper can be washed above the outer shell. The cooperation of multiple spray pipes enables the water flow sprayed by the spray head to completely cover the inside of the groove, so that the groove is repeatedly and completely washed to wash away the residual slag and sand and gravel adhering to the inside. The structure is simple, easy to use, and convenient for cleaning the device;

[0017] 2. The U-shaped plate can be driven to move by the second motor and the second chain group, so that the U-shaped plate can be folded and unfolded to avoid interference caused by the U-shaped plate during the use of the device. At the same time, a water collecting bucket and a filter net are provided under the outer shell to filter and collect the flushing water flow, which is convenient for the recovery and treatment of slag and sand and gravel, and can make the water flow back to the water tank, so as to circulate water and save water. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the overall structure diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the utility model;

[0020] Figure 3 This is a side view of the structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the top view structure of the utility model;

[0022] Figure 5 This is the external structure diagram of the utility model.

[0023] Numbers in the figure: 1. casing; 2. first chain drive group; 3. scraper; 4. first motor; 5. water pump; 6. connecting pipe; 7. spray pipe; 8. U-shaped plate; 9. water tank; 10. water pipe; 11. water collecting bucket; 12. discharge hopper; 13. slide rail; 14. cylinder; 15. support leg; 16. vertical plate; 17. fixing rod; 18. filter screen; 21. second motor; 22. pulley group; 23. rotating rod; 24. connecting rope; 25. second chain drive group. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 The utility model provides a technical solution: a mining scraper, comprising a shell 1, a groove is provided on the top of the shell 1, a first chain group 2 is movably connected in the groove, a scraper 3 is connected to the first chain group 2, a cavity is provided on the shell 1, a first motor 4 is fixed in the cavity, the first motor 4 is transmission-connected to the first chain group 2, a discharge port is provided at the bottom of the shell 1, and a discharge hopper 12 is provided below the discharge port;

[0026] The first chain moving group 2 is composed of a chain and a sprocket. The first chain moving group 2 is provided with two groups, which are respectively located at the front and rear sides of the groove. A rotating rod 23 is fixed between the sprockets of the two groups of the first chain moving groups 2. The rotating rod 23 is movably connected to the groove. A plurality of scrapers 3 are provided. The plurality of scrapers 3 are all located between the two first chain moving groups 2, and the front and rear sides are respectively fixed to the adjacent chains. The plurality of scrapers 3 are evenly distributed along the chain. A pulley group 22 is fixed to the output shaft of the first motor 4. The rotating rod 23 extends into the cavity and is fixed to the pulley group 22.

[0027] A plurality of U-shaped plates 8 are arranged above the shell 1, and the plurality of U-shaped plates 8 are distributed in a transverse linear array. A spray pipe 7 is fixed to the inner wall of the top of the U-shaped plate 8, and a nozzle is fixed to the bottom of the spray pipe 7. A connecting pipe 6 is arranged between two adjacent U-shaped plates 8, and both ends of the connecting pipe 6 are fixed to adjacent spray pipes 7; a second motor 21 is fixed in the cavity, and a second chain group 25 is movably connected to the front side of the cavity, and the second chain group 25 is composed of a chain and a sprocket, and the output end of the second motor 21 is fixed to the sprocket, a slide groove is provided on the front side of the shell 1, and a lever is fixed on the chain of the second chain group 25, and a slot is provided on the U-shaped plate 8 located on the far right, and the lever passes through the slide groove and is inserted into the slot, a connecting rope 24 is fixed between two adjacent U-shaped plates 8, and proximity switches are fixed on the vertical plates 16 on the left and right sides, and the U-shaped plate 8 can be folded and unfolded by the second motor 21 and the second chain group 25, so as to avoid interference caused by the U-shaped plate 8 during the use of the device;

[0028] Two vertical plates 16 arranged left and right are fixed on both the front and rear sides of the housing 1, and two fixing rods 17 arranged up and down are fixed between the two vertical plates 16. An opening is opened on the U-shaped plate 8, and the fixing rod 17 passes through the opening. A connecting rope 24 is fixed between the leftmost U-shaped plate 8 and the adjacent vertical plate 16. The U-shaped plate 8 is supported and limited by the fixing rod 17 to prevent the U-shaped plate 8 from tilting and affecting the movement. The connecting rope 24 facilitates the sequential unfolding of the U-shaped plate 8;

[0029] A water tank 9 is fixed at the bottom of the housing 1, and a water pump 5 is fixed in the cavity. A water pump at the bottom of the water pump 5 extends into the water tank 9, and a connecting pipe 6 is fixed between the water supply pipe at the top of the water pump 5 and the adjacent spray pipe 7. The connecting pipe 6 is made of a plastic hose to facilitate the movement of the U-shaped plate 8, thereby preventing the connecting pipe 6 from being disconnected during the movement of the U-shaped plate 8;

[0030] The bottom of the shell 1 is located on the right side of the water tank 9 and is fixed with a support leg 15, the support leg 15 is fixed with a cylinder 14, the cylinder 14 is fixed with the discharge hopper 12, a water collecting bucket 11 is fixed on the left side of the discharge hopper 12, a filter screen 18 arranged obliquely is fixed on the top of the water collecting bucket 11, a water pipe 10 is fixed between the lowest point of the water collecting bucket 11 and the water tank 9, the flushing water flow is recovered through the water collecting bucket 11, so that the water can be reused, thereby saving water, the water collecting bucket 11 and the discharge hopper 12 can be switched through the cylinder 14, and the slag and sand and gravel in the water flow are filtered through the filter screen 18, which is convenient for centralized recovery and treatment;

[0031] Two slide rails 13 are fixed between the water tank 9 and the support legs 15, and the two slide rails 13 are located on the front and rear sides of the discharge hopper 12, and sliders slidably connected to the slide rails 13 are fixed at the bottom of the discharge hopper 12 and the water collecting hopper 11 to support the water collecting hopper 11 and the discharge hopper 12 and facilitate their smooth movement.

[0032] Working principle: When in use, the conveying part of the device extends into the mine, the discharge port is outside the mine, and the mined minerals fall into the groove, and the first motor 4 is started, and the first motor 4 drives the first chain group 2 to rotate, so that the scraper 3 moves with the chain, sweeps the minerals to the discharge port, and discharges the material through the discharge hopper 12. When cleaning is required, the second motor 21 is started, and the second motor 21 drives the second chain group 25 to rotate. The chain of the second chain group 25 drives the rightmost U-shaped plate 8 to move right, and pulls several U-shaped plates 8 to the right in turn through the connecting rope 24, so that the U-shaped plate 8 is unfolded, and the rightmost U-shaped plate 8 moves to the vertical plate 16. The proximity switch senses the U-shaped plate 8, so that the second motor 21 is automatically closed, and then the water pump 5 is started, and the water pump 5 transports the water in the water tank 9 to the spray pipe 7 through the connecting pipe 6 , the nozzle sprays out to flush the first chain group 2, the scraper 3 and the groove in the groove, and the slag and sand are flushed down. At the same time, the cylinder 14 contracts to move the water collecting bucket 11 to the discharge port. The flushed sewage enters the water collecting bucket 11 through the filter screen 18 from the discharge port. The slag and sand mixed in the sewage are filtered out through the filter screen 18, which is convenient for subsequent screening. The water in the water collecting bucket 11 flows back to the water tank 9 through the water pipe 10 for repeated recycling and water saving. After cleaning, the second motor 21 starts and reverses to make the U-shaped plate 8 move in the opposite direction and fold. The left proximity switch senses and automatically shuts down the second motor 21, thereby resetting the U-shaped plate 8 to prevent the unfolded U-shaped plate 8 from interfering with the falling and conveying process of the mineral. The cylinder 14 extends to return the discharge hopper 12 to the bottom of the discharge port.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mining scraper, comprising a housing (1), characterized in that: The top of the housing (1) is provided with a groove, a first chain group (2) is movably connected in the groove, a scraper (3) is connected to the first chain group (2), a cavity is provided on the housing (1), a first motor (4) is fixed in the cavity, the first motor (4) is transmission-connected to the first chain group (2), a discharge port is provided at the bottom of the housing (1), and a discharge hopper (12) is provided below the discharge port; The first chain moving group (2) is composed of a chain and a sprocket. The first chain moving group (2) is provided with two groups, which are respectively located at the front and rear sides of the groove. A rotating rod (23) is fixed between the sprockets of the two groups of the first chain moving groups (2). The rotating rod (23) is movably connected to the groove. A plurality of scrapers (3) are provided. The plurality of scrapers (3) are all located between the two first chain moving groups (2) and are respectively fixed to adjacent chains at the front and rear sides. The plurality of scrapers (3) are evenly distributed along the chain. A pulley group (22) is fixed to the output shaft of the first motor (4). The rotating rod (23) extends into the cavity and is fixed to the pulley group (22). A plurality of U-shaped plates (8) are arranged above the shell (1), and the plurality of U-shaped plates (8) are distributed in a transverse linear array. A spray pipe (7) is fixed to the inner wall of the top of the U-shaped plate (8), and a spray head is fixed to the bottom of the spray pipe (7). A connecting pipe (6) is arranged between two adjacent U-shaped plates (8), and both ends of the connecting pipe (6) are fixed to adjacent spray pipes (7); A water tank (9) is fixed at the bottom of the housing (1), a water pump (5) is fixed in the cavity, a water pump (5) at the bottom of the water pump (5) extends into the water tank (9), and a connecting pipe (6) is fixed between the water supply pipe at the top of the water pump (5) and the adjacent spray pipe (7).

2. A mining scraper according to claim 1, characterized in that: A second motor (21) is fixed in the cavity, a second chain group (25) is movably connected to the front side of the cavity, and the second chain group (25) is composed of a chain and a sprocket. The output end of the second motor (21) is fixed to the sprocket. A slide groove is provided on the front side of the housing (1). A lever is fixed on the chain of the second chain group (25). A slot is provided on the rightmost U-shaped plate (8). The lever passes through the slide groove and is inserted into the slot. A connecting rope (24) is fixed between two adjacent U-shaped plates (8). Proximity switches are fixed on the left and right vertical plates (16).

3. A mining scraper according to claim 2, characterized in that: Two vertical plates (16) arranged left and right are fixed to both the front and rear sides of the housing (1), two fixing rods (17) arranged up and down are fixed between the two vertical plates (16), an opening is opened on the U-shaped plate (8), the fixing rods (17) pass through the opening, and a connecting rope (24) is fixed between the leftmost U-shaped plate (8) and the adjacent vertical plate (16).

4. A mining scraper according to claim 1, characterized in that: The connecting pipe (6) is a plastic hose.

5. A mining scraper according to claim 1, characterized in that: The bottom of the shell (1) is located on the right side of the water tank (9) and is fixed with a support leg (15); the support leg (15) is fixed with a cylinder (14); the cylinder (14) is fixed to the discharge hopper (12); a water collecting hopper (11) is fixed to the left side of the discharge hopper (12); a filter screen (18) arranged obliquely is fixed to the top of the water collecting hopper (11); and a water pipe (10) is fixed between the lowest point of the water collecting hopper (11) and the water tank (9).

6. A mining scraper according to claim 1, characterized in that: Two slide rails (13) are fixed between the water tank (9) and the supporting legs (15), and the two slide rails (13) are located at the front and rear sides of the discharge hopper (12), and sliding blocks slidably connected to the slide rails (13) are fixed at the bottom of the discharge hopper (12) and the water collecting hopper (11).

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