Detachable air injection cleaning device for coal feeder

Abstract

The utility model discloses a detachable air injection cleaning device for a coal feeder, and particularly relates to the technical field of coal mine machinery, the detachable air injection cleaning device comprises a mounting block, a bottom plate and a rotating frame, a telescopic cylinder is fixed at the lower end of the bottom plate, a telescopic plate is inserted in the telescopic cylinder, and the mounting block is fixed at the lower end of the telescopic plate; hydraulic cylinders are symmetrically fixed to the outer walls of the two sides of the mounting block, rotatable rotating frames are arranged on the two sides of the hydraulic cylinders, and nozzles distributed in a linear array mode are arranged in the rotating frames. The external cleaning device for the coal feeder can be conveniently installed at different positions of the coal feeder, all-directional jet-propelled dust removal treatment is provided for the interior of the coal feeder, the problem that an existing external cleaning device for the coal feeder is lack of a movable installation function is solved, and the inner wall of the coal feeder can be effectively cleaned.

Description

Technical Field

[0001] The present application relates to the technical field of coal mine machinery, and in particular to a detachable jet cleaning device for a coal feeder. Background Art

[0002] A coal feeder is a device used to transport, load and distribute coal or similar granular materials. It usually consists of components such as conveyor belts, load-bearing structures and transmission devices to effectively transport coal from storage areas to required locations, such as boilers, coal bunkers, etc. Coal feeders are widely used in industrial sites such as coal mines and power plants.

[0003] After searching, a Chinese patent (publication number: CN211811999U) discloses a dust removal device for a coal feeder, including a cleaning vehicle, a base frame is fixedly installed at the bottom of the cleaning vehicle, a collecting box is fixedly installed on the top of the base frame, a connecting plate is fixedly installed on one side of the collecting box, a fan is fixedly installed on the top of the connecting plate, and an air inlet of the fan is fixedly connected with a connecting head. Fixed columns are fixedly installed at the bottom and top of the cleaning vehicle and on one side of the fan. The beneficial effects achieved are: simple and novel structure, strong practicality, simple and quick operation, and by arranging a first electric telescopic plate and a second electric telescopic plate, the dust removal device for the coal feeder can clean and dust the interior of coal feeders of different sizes, making the dust removal device for the coal feeder more versatile. At the same time, by arranging a grafting rod, the device can adapt to coal feeders of different lengths, so that the device has no travel restrictions, thereby improving the versatility of the device.

[0004] However, the existing external cleaning device for coal feeders lacks the function of movable installation. Like the above-mentioned patent, it is a trolley-type external cleaning device. In practice, it is often not easy to push the external cleaning device to the front of the coal feeder, and the inner wall of the coal feeder cannot be effectively cleaned. At the same time, the above-cited patent documents do not propose relevant solutions to solve the problem of facilitating the installation of the cleaning device.

[0005] Therefore, in view of the above problems, a detachable air jet cleaning device for a coal feeder is proposed. Summary of the invention

[0006] In order to overcome the defects of the prior art, the utility model provides a detachable air jet cleaning device for a coal feeder to solve the problems raised in the above background technology.

[0007] To achieve the purpose of this application, this application provides the following technical solutions:

[0008] A detachable jet cleaning device for a coal feeder comprises a mounting block, a base plate and a rotating frame, wherein two telescopic cylinders are symmetrically fixed to the lower end of the base plate, telescopic plates are inserted inside the two telescopic cylinders, a mounting block is fixed to the lower end of the telescopic plates, hydraulic cylinders are symmetrically fixed to the outer walls on both sides of the mounting block, rotating frames are rotatably connected to the two sides of the hydraulic cylinders, and nozzles distributed in a linear array are arranged inside the rotating frame.

[0009] In a possible implementation, a hydraulic rod is inserted into the hydraulic cylinder, a moving block is fixed to one end of the hydraulic rod, and the rotating frame is rotatably connected to an outer wall of one side of the moving block.

[0010] In a possible implementation, a first motor is fixed to an outer wall of one side of the moving block, and an output shaft of the first motor is fixedly connected to a rotation center of one side of the rotating frame;

[0011] The first motor drives the rotating frame to rotate within a first preset angle, and the first preset angle is less than or equal to one hundred and twenty degrees.

[0012] In a possible implementation, a plurality of mounting grooves are opened inwardly on both side surfaces of the rotating frame, a rotating plate is rotatably connected in the plurality of mounting grooves, the nozzle is fixed to one side of the rotating plate, and the plurality of rotating plates are coaxially rotatably connected.

[0013] In a possible implementation, a second motor is fixed to one end of the rotating frame away from the moving block, and an output shaft of the second motor is fixedly connected to a rotation center on one side of the rotating plate;

[0014] The second motor drives the plurality of nozzles to rotate simultaneously within a second preset angle, and the second preset angle is less than or equal to ninety degrees.

[0015] In a possible implementation, a limiting pin is inserted through the surface of the bottom plate, a spring is fixed between the limiting pin nut and the upper surface of the bottom plate, a limiting plate is fixed to the lower end of the limiting pin, and the limiting plate is located below the bottom plate.

[0016] In a possible implementation, one end of the telescopic cylinder is connected to a screw via an internal thread, a plurality of limiting holes are drilled on the surface of the telescopic plate, and the screw is inserted into the limiting hole.

[0017] In a possible implementation, a buffer cylinder is fixed to the lower end of the mounting block, and a top block with an elastic element is inserted into the buffer cylinder.

[0018] In a possible implementation manner, a buffer damping material is disposed inside the buffer cylinder.

[0019] In a possible implementation, a cylinder is fixed to the upper end of the mounting block, and the cylinder is connected to the spray head through a pipeline.

[0020] Technical effects and advantages of the utility model:

[0021] 1. Compared with the prior art, the present device utilizes a mounting block with a lifting structure as the main body to realize the installation of the cleaning device, and can position the mounting block at the upper end of one side of the coal feeder, and the lower end is supported by a top block, so that the mounting block can be stably fixed in the middle position of one side of the coal feeder, and by utilizing the above technical solution, the coal feeder can be installed and cleaned no matter how complex its position is.

[0022] 2. Compared with the prior art, the device utilizes the first motor and the second motor to drive the nozzle to rotate a certain angle to perform high-pressure jet cleaning on the entire area of ​​the inner wall of the coal feeder. At the same time, the hydraulic cylinder can adjust the distance from the nozzle to the inner wall of the coal feeder to adjust the intensity and accuracy of the nozzle jet cleaning. In addition, the overall weight of the device is light, easy to carry and install, and very practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the present application and do not constitute a limitation on the present application.

[0024] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model from the first angle.

[0025] Figure 2 It is a schematic diagram of the main structure of the utility model.

[0026] Figure 3 It is a three-dimensional schematic diagram of the structure of the utility model from a second angle.

[0027] Figure 4 It is a rear view schematic diagram of the structure of the utility model;

[0028] Figure 5 The utility model structure Figure 3 A magnified schematic diagram of the structure in the middle.

[0029] The accompanying drawings are marked as follows: 1. mounting block; 2. hydraulic cylinder; 3. spring; 4. bottom plate; 5. limiting pin; 6. limiting plate; 7. rotating frame; 8. mounting slot; 9. second motor; 10. rotating plate; 11. nozzle; 12. top block; 13. buffer cylinder; 14. cylinder; 15. first motor; 16. moving block; 17. telescopic plate; 18. telescopic cylinder; 19. hydraulic rod; 20. screw; 21. limiting hole. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the drawings in this application. Obviously, the described embodiments are part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0031] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features; in the description of this application, unless otherwise specified, "plurality" means two or more.

[0032] Example 1

[0033] See also Figure 1 and Figure 5 , Figure 1 This is a three-dimensional schematic diagram of the structure of the utility model from the first angle. Figure 5 The utility model structure Figure 3 In the enlarged schematic diagram of the structure A in the middle, the embodiment of the present application provides a detachable jet cleaning device for a coal feeder, including a mounting block 1, a base plate 4 and a rotating frame 7. Two telescopic cylinders 18 are symmetrically fixed to the lower end of the base plate 4, and telescopic plates 17 are inserted inside the two telescopic cylinders 18. The mounting block 1 is fixed to the lower end of the telescopic plate 17. Hydraulic cylinders 2 are symmetrically fixed to the outer walls on both sides of the mounting block 1. The hydraulic cylinders 2 are rotatably connected to the rotating frame 7 on both sides, and nozzles 11 distributed in a linear array are arranged inside the rotating frame 7.

[0034] Optionally, the nozzle 11 adopts a high-pressure jet type, which can compress and spray the gas. When using it, you can choose a common model on the market, which will not be described in detail in this embodiment.

[0035] Specifically, the device is mainly suitable for coal feeders with a square outlet. If the outlet of the coal feeder is arc-shaped, it is inconvenient to install.

[0036] Example 2

[0037] Based on the description of Example 1, this embodiment further provides a detachable air jet cleaning device for a coal feeder in combination with a specific working mode, such as Figures 1 to 5 As shown, a cylinder 14 is fixed on the upper end of the mounting block 1, and the cylinder 14 is connected to the nozzle 11 through a pipeline; wherein, the cylinder 14 provides high-pressure gas to the nozzle 11, and the nozzle 11 sprays the high-pressure gas to remove the stubborn dust on the inner wall of the coal feeder; and a series of gas transmission and pressurization devices inside the cylinder 14 are common supporting facilities in this field, and are not elaborated in this embodiment.

[0038] As a preferred embodiment, a hydraulic rod 19 is inserted into the hydraulic cylinder 2, a moving block 16 is fixed to one end of the hydraulic rod 19, and the rotating frame 7 is rotatably connected to an outer wall of one side of the moving block 16;

[0039] Specifically, the hydraulic cylinder 2 can drive the moving block 16 to move to both sides, so as to adjust the distance between the nozzle 11 and the inner wall of the coal feeder, and different distances bring different cleaning effects.

[0040] As a preferred embodiment, a first motor 15 is fixed to the outer wall of one side of the moving block 16, and the output shaft of the first motor 15 is fixedly connected to the rotation center of one side of the rotating frame 7;

[0041] Specifically, the first motor 15 can drive the rotating frame 7 to rotate within a first preset angle, and the first preset angle is less than or equal to one hundred and twenty degrees.

[0042] As a preferred embodiment, mounting grooves 8 are provided inwardly on both sides of the rotating frame 7, a rotating plate 10 is rotatably connected in the mounting groove 8, and a nozzle 11 is fixed to one side of the rotating plate 10;

[0043] A second motor 9 is fixed to one end of the rotating frame 7 away from the moving block 16, and an output shaft of the second motor 9 is fixedly connected to a rotation center of one side of the rotating plate 10;

[0044] Specifically, the plurality of rotating plates 10 are connected to each other by coaxial rotation, and the second motor 9 can be used to simultaneously drive the plurality of nozzles 11 to adjust their angles simultaneously;

[0045] Specifically, the second motor 9 can drive multiple nozzles 11 to rotate within a second preset angle at the same time. The second preset angle is less than or equal to ninety degrees. Combined with the rotation limit angle of the rotating frame 7, the maximum coverage range of the nozzle 11 is three hundred degrees. The nozzles on both sides can be used together to achieve a high-pressure spraying treatment coverage effect of three hundred degrees.

[0046] As a preferred embodiment, a limiting pin 5 is inserted through the surface of the bottom plate 4, a spring 3 is fixed between the nut of the limiting pin 5 and the upper surface of the bottom plate 4, and a limiting plate 6 is fixed at the lower end of the limiting pin 5, and the limiting plate 6 is located below the bottom plate 4;

[0047] Specifically, the spring 3 can cooperate with the limiting plate 6 to achieve a clamping operation with the bottom plate 4, thereby achieving a detachable effect of the device.

[0048] As a preferred embodiment, one end of the telescopic cylinder 18 is connected with a screw 20 through an internal thread, and a plurality of limiting holes 21 are drilled on the surface of the telescopic plate 17, and the screw 20 is inserted into the limiting hole 21;

[0049] Specifically, the screw 20 can be used to adjust the distance that the telescopic plate 17 extends relative to the telescopic cylinder 18 , thereby adjusting the height of the mounting block 1 .

[0050] As a preferred embodiment, a buffer cylinder 13 is fixed at the lower end of the mounting block 1, and a top block 12 with an elastic element is inserted into the buffer cylinder 13;

[0051] Specifically, a buffer damping material is arranged inside the buffer cylinder 13, so that the top block 12 has a certain buffer expansion and contraction effect, thereby achieving a buffer fixing effect on the position of the mounting block 1 from the lower end.

[0052] The working process of the utility model is as follows:

[0053] When the device is in use, the structure of the spring 3 is first used to cooperate with the bottom plate 4 and the limit plate 6 to position the device on one side of the upper end of the coal feeder. Specifically, the limit plate 6 is pulled downward by a certain distance so that the distance between it and the bottom plate 4 is enough to insert into the upper edge of the coal feeder. At the same time, after adjusting the height of the mounting block 1 by using the screws 20 and the limit holes 21, the telescopic buffer effect of the top block 12 is used to support the inner wall of the lower edge of the coal feeder for auxiliary support. At this time, the position of the mounting block 1 can be stably fixed; then the cylinder 14 is used to provide high-pressure gas to the nozzle 11 for spraying. During spraying, the first motor 15 and the second motor 9 are used to adjust the rotation angles of the rotating frame 7 and each nozzle 11 respectively. The two complement each other to achieve the effect of spraying and cleaning the entire area of ​​the inner wall of the coal feeder. The device is easy to install and carry, and the cleaning effect is stable and reliable.

[0054] The above embodiments are only used to illustrate the technical solution of the present application, but not to limit it. The present application is not limited to the exact structure described above and illustrated in the accompanying drawings, and it cannot be determined that the specific implementation of the present application is limited to these descriptions. For ordinary technicians in the technical field to which the present application belongs, various changes and modifications made without departing from the concept of the present application should be deemed to belong to the protection scope of the present application.

Claims

1. A detachable air jet cleaning device for a coal feeder, comprising a mounting block (1), a base plate (4) and a rotating frame (7), characterized in that: Two telescopic cylinders (18) are symmetrically fixed at the lower end of the base plate (4), and a telescopic plate (17) is inserted inside the two telescopic cylinders (18). A mounting block (1) is fixed at the lower end of the telescopic plate (17). Hydraulic cylinders (2) are symmetrically fixed on the outer walls of both sides of the mounting block (1). A rotating frame (7) is rotatably connected to both sides of the hydraulic cylinder (2), and nozzles (11) distributed in a linear array are arranged inside the rotating frame (7).

2. The jet cleaning device according to claim 1, characterized in that: A hydraulic rod (19) is inserted into the hydraulic cylinder (2), a moving block (16) is fixed to one end of the hydraulic rod (19), and the rotating frame (7) is rotatably connected to an outer wall of one side of the moving block (16).

3. The jet cleaning device according to claim 2, characterized in that: A first motor (15) is fixed to an outer wall of one side of the moving block (16), and an output shaft of the first motor (15) is fixedly connected to a rotation center of one side of the rotating frame (7); The first motor (15) drives the rotating frame (7) to rotate within a first preset angle, and the first preset angle is less than or equal to one hundred and twenty degrees.

4. The jet cleaning device according to claim 1, characterized in that: The surfaces of both sides of the rotating frame (7) are provided with a plurality of mounting grooves (8) inwardly, a rotating plate (10) is rotatably connected in the plurality of mounting grooves (8), the nozzle (11) is fixed to one side of the rotating plate (10), and the plurality of rotating plates (10) are coaxially rotatably connected.

5. The jet cleaning device according to claim 2, characterized in that: A second motor (9) is fixed to one end of the rotating frame (7) away from the moving block (16), and an output shaft of the second motor (9) is fixedly connected to a rotation center on one side of the rotating plate (10); The second motor (9) drives the plurality of nozzles (11) to rotate simultaneously within a second preset angle, wherein the second preset angle is less than or equal to ninety degrees.

6. The jet cleaning device according to claim 1, characterized in that: A limiting pin (5) is inserted through the surface of the bottom plate (4), a spring (3) is fixed between the nut of the limiting pin (5) and the upper surface of the bottom plate (4), a limiting plate (6) is fixed at the lower end of the limiting pin (5), and the limiting plate (6) is located below the bottom plate (4).

7. The jet cleaning device according to claim 1, characterized in that: One end of the telescopic cylinder (18) is connected to a screw (20) via an internal thread, a plurality of limiting holes (21) are drilled on the surface of the telescopic plate (17), and the screw (20) is inserted into the inside of the limiting hole (21).

8. The jet cleaning device according to claim 1, characterized in that: A buffer cylinder (13) is fixed at the lower end of the mounting block (1), and a top block (12) with an elastic element is inserted into the buffer cylinder (13).

9. The jet cleaning device according to claim 8, characterized in that: The buffer cylinder (13) is provided with buffer damping material inside.

10. The jet cleaning device according to claim 1, characterized in that: A cylinder (14) is fixed on the upper end of the mounting block (1), and the cylinder (14) is connected to the spray head (11) through a pipeline.

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