Impurity removal structure of plow discharger

Abstract

The impurity removal structure of the plow discharger comprises a frame body, a discharging table and a coulter plate, the side edge of the discharging table is connected with a funnel, the inner wall of the funnel is connected with a second supporting ring in a sliding mode, and a filter screen is installed in the second supporting ring; a supporting plate is fixedly connected to the outer side of the funnel, a push rod is connected to the upper surface of the supporting plate, a first lifting plate is connected to the upper portion of the push rod, second lifting plates are fixedly connected to the two sides of the first lifting plate, and long rods are connected to the second lifting plates in a penetrating mode; the bottom of the long rod is connected with the top of the second supporting ring. According to the utility model, the filter screen can be quickly disassembled and assembled, so that the filter screen can be conveniently cleaned; meanwhile, the filtering and separating efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plough-type dischargers, in particular to a debris removal structure of a plough-type discharger. Background Art

[0002] Currently, coal handling systems utilize a large number of belt conveyors for transporting coal, which is then unloaded into the pre-furnace raw coal bunker via plow-type unloaders. Although the coal handling system incorporates iron and impurity removal facilities during coal handling, some debris cannot be prevented from entering the pre-furnace raw coal bunker, causing operational accidents such as coal bunker outlet blockage and feeder failure.

[0003] A plow-type discharger impurity removal structure with publication number CN221499720U can effectively reduce the entry of larger impurities into the boiler raw coal bin by separating non-coal impurities in the crushed raw coal when it enters the raw coal bin in front of the furnace, creating better conditions for smooth discharge of the raw coal bin. At the same time, it can also reduce the adverse effects of the presence of large pieces of explosives on the operation of the coal feeder.

[0004] Although the above device can prevent debris from entering the raw coal bin in front of the furnace, the filter screen in the above device will be contaminated with a lot of coal slag after long-term use, affecting the separation efficiency, so it needs to be disassembled and cleaned regularly. However, the above device is not convenient for disassembling and assembling the filter screen, making it inconvenient to clean the filter screen. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that the prior art is inconvenient for disassembling and assembling the filter screen, thereby making it inconvenient for cleaning the filter screen, and to propose a plough-type discharger impurity removal structure.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A plow-type discharger impurity removal structure includes a frame, a discharge platform and a plow blade. The side of the discharge platform is connected to a funnel, the inner wall of the funnel is slidably connected to a second support ring, and a filter screen is installed inside the second support ring.

[0008] The outer side of the funnel is fixedly connected to the support plate, the upper surface of the support plate is connected to the push rod, the top of the push rod is connected to the first lifting plate, the two sides of the first lifting plate are fixedly connected to the second lifting plate, and the second lifting plate has a long rod running through it; the top of the long rod is connected to the block, and the bottom is connected to the top of the second support ring.

[0009] The second supporting ring is provided with a through slot and an insertion slot on the left and right sides; one side of the filter screen is inserted into the insertion slot, a clamping plate is slidably connected in the through slot, one side of the clamping plate is connected with the filter screen, a second spring is fixedly connected to the side of the clamping plate away from the filter screen, the other end of the second spring is fixedly connected to the side wall of the through slot, and the side of the clamping plate away from the filter screen is further connected with a pull plate through a connecting rod.

[0010] The bottom of the second supporting ring is connected with a first spring, and the first spring is connected with a first supporting ring below; a vibration motor is further installed on the bottom surface of the second supporting ring; and the first supporting ring is slidably connected in the funnel.

[0011] The outer side of the second supporting ring is provided with a pull slot, the pull slot is located on the side where the through slot is located, and the pull slot is communicated with the through slot.

[0012] The top of the second supporting ring is fixedly connected with a plurality of long rods, the upper end of each long rod is fixedly connected with a stop block, and the inside of the second lifting plate is provided with a slot for the up-down movement of the long rod.

[0013] The upper surface of the filter screen is connected with a handle; the inside of the funnel is provided with a boss, which is located below the first supporting ring.

[0014] The frame body and the discharging table are fixedly connected, the back of the plow plate is fixedly connected with a connecting seat, the other end of the connecting seat is rotatably installed on the frame body, the top of the frame body is provided with a hinged seat, a hydraulic rod is hinged on the hinged seat, and the telescopic end of the hydraulic rod is rotatably connected to the back of the plow plate.

[0015] The two sides of the discharging table are each connected with a funnel, and the two funnels are respectively located at the discharging positions of the two sides of the plow plate.

[0016] The push rod is an electric push rod.

[0017] The second lifting plate is provided with a through hole for the up-down movement of the long rod, the cross-sectional dimension of the through hole is smaller than the cross-sectional dimension of the stop block, and the cross-sectional dimension of the through hole is larger than the cross-sectional dimension of the long rod.

[0018] Compared with the prior art, the utility model provides a plow type unloader impurity removal structure, has the following beneficial effects:

[0019] 1、The utility model discloses a cooperation between the second supporting ring, the limiting mechanism and the jacking mechanism can automatically eject the filter screen from the inside of the funnel when cleaning the filter screen, then pull the pull plate away from the filter screen to release the fixation of the filter screen, then the filter screen can be taken down for cleaning, which is very convenient.

[0020] 2. The utility model discloses a first support ring, first spring and the cooperation between vibration motor, in the filter screen use process, can control filter screen automatic vibration to can effectively promote separation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the whole structure schematic diagram of the utility model.

[0022] Figure 2 It is the connection schematic diagram of the utility model funnel and jacking mechanism.

[0023] Figure 3 It is the internal structure schematic diagram of the utility model funnel.

[0024] Figure 4 It is the connection schematic diagram of the utility model second support ring and first support ring.

[0025] Marked in the drawing explanation: 1, frame body;2, unloading table;3, plow board;4, connecting seat;5, hinged seat;6, hydraulic rod;7, funnel;8, first support ring;9, second support ring;10, first spring;11, vibration motor;12, pull plate;13, second spring;14, clamping plate;15, filter screen;16, long rod;17, stop block;18, support plate;19, push rod;20, first lifting plate;21, second lifting plate;22, handle;23, through slot;24, insertion slot;25, pull slot;26, boss. DETAILED DESCRIPTION

[0026] The embodiment of the utility model will be described in detail below, and the following examples are only used to illustrate the utility model, and should not be regarded as limiting the scope of the utility model.

[0027] Example 1

[0028] As shown in the figure, a plow type unloader impurity removal structure, including frame body 1, unloading table 2 and plow board 3, the side of unloading table 2 is connected with funnel 7, the inner wall of funnel 7 is slidably connected with second support ring 9, and filter screen 15 is installed in second support ring 9.

[0029] The outer side of funnel 7 is fixedly connected with support plate 18, the upper surface of support plate 18 is connected with push rod 19, the upper side of push rod 19 is connected with first lifting plate 20, the two sides of first lifting plate 20 are fixedly connected with second lifting plate 21, and long rod 16 is connected through the second lifting plate 21; the top of long rod 16 is connected with stop block 17, and the bottom is connected with the top of second support ring 9.

[0030] The second support ring 9 is provided with a through slot 23 and an insertion slot 24 on the left and right sides respectively; one side of the filter screen 15 is inserted into the insertion slot 24, and the through slot 23 is slidably connected with a clamping plate 14, one side of the clamping plate 14 is connected with the filter screen 15,

[0031] The clamping plate 14 is fixedly connected with a second spring 13 on the side away from the filter screen 15, the other end of the second spring 13 is fixedly connected to the side wall of the through slot 23, and the clamping plate 14 is further connected with a pull plate 12 through a connecting rod on the side away from the filter screen 15.

[0032] The bottom of the second support ring 9 is connected with a first spring 10, and the first spring 10 is connected with a first support ring 8 below; the bottom surface of the second support ring 9 is further provided with a vibration motor 11; the first support ring 8 is in the inside of the funnel 7 and is slidably connected with the funnel 7.

[0033] The outer side of the second support ring 9 is provided with a pull slot 25, the pull slot 25 is located on the side where the through slot 23 is located, and the pull slot 25 is in communication with the through slot 23.

[0034] The top of the second support ring 9 is fixedly connected with a plurality of long rods 16, the upper end of each long rod 16 is fixedly connected with a stop block 17, and the inside of the second lifting plate 21 is provided with a slot for the up-and-down movement of the long rod 16.

[0035] The upper surface of the filter screen 15 is connected with a handle 22; the inside of the funnel 7 is provided with a boss 26 below the support first support ring 8.

[0036] The frame body 1 and the discharging table 2 are fixedly connected, the back of the plow plate 3 is fixedly connected with a connecting seat 4, the other end of the connecting seat 4 is rotatably installed on the frame body 1, the top of the frame body 1 is provided with a hinged seat 5, the hinged seat 5 is hingedly connected with a hydraulic rod 6, and the telescopic end of the hydraulic rod 6 is rotatably connected to the back of the plow plate 3.

[0037] The two sides of the discharging table 2 are respectively connected with a funnel 7, and the two funnels 7 are respectively located at the two sides of the plow plate 3.

[0038] The push rod 19 is an electric push rod.

[0039] The second lifting plate 21 is provided with a through hole for the up-and-down movement of the long rod 16, the cross-sectional dimension of the through hole is smaller than the cross-sectional dimension of the stop block 17, and the cross-sectional dimension of the through hole is larger than the cross-sectional dimension of the long rod 16.

[0040] The limiting mechanism comprises a pull plate, a second spring and a clamping plate; the jacking mechanism comprises a long rod, a stop block, a support plate, a push rod, a first lifting plate and a second lifting plate.

[0041] Example 2

[0042] The device described in embodiment 1 works as follows:

[0043] Both sides of the discharging table 2 are provided with hoppers 7, and the two hoppers 7 are the same in structure and are respectively arranged at the two sides of the plow plate 3. The bottom outlet of the hopper 7 is connected with a raw coal bin in front of a furnace, and the material is pushed to the hopper 7 through the plow plate 3, and the impurities are filtered out through the filter screen 15 in the hopper 7, so as to prevent the impurities from entering the raw coal bin in front of the furnace, causing the outlet of the raw coal bin to be blocked, the raw coal bin lower coal feeder to be out of order and other operation accidents, and the filtered material enters the raw coal bin in front of the furnace from the bottom of the hopper 7.

[0044] Specifically, during the filtering, the vibration motor 11 is started, and the vibration motor 11 can drive the second supporting ring 9 and the filter screen 15 to vibrate, so as to effectively improve the separation efficiency of the coal and the impurities.

[0045] The filter screen 15 is of a detachable structure. When being detached, the push rod 19 is elongated, drives the first lifting plate 20, the second lifting plate 21, the long rod 16, the second supporting ring 9, the filter screen 15 and the first supporting ring 8 to move upwards, when the filter screen 15 moves to the upper side of the hopper 7, the pull plate 12 is pulled away from the second supporting ring 9 (in the horizontal direction), the pull plate 12 drives the clamping plate 14 to move to the inside of the through slot 23 and compresses the second spring 13, when the clamping plate 14 completely moves to the inside of the through slot 23, the limiting of the filter screen 15 is released, and at this time, the filter screen 15 is taken down for cleaning. Similarly, when being installed, the cleaned filter screen 15 is placed in the second supporting ring 9 and one side of the filter screen 15 is inserted into the inside of the insertion slot 24, then the pull plate 12 is loosened, and under the action of the second spring 13, the clamping plate 14 can clamp and fix the filter screen 15. Subsequently, the push rod 19 is controlled to be shortened, the push rod 19 drives the first lifting plate 20 to descend to the specified position, and under the action of the gravity, the second supporting ring 9, the first supporting ring 8 and the filter screen 15 move to the inside of the hopper 7 and reset.

[0046] In addition, the boss 26 in the hopper 7 is used for supporting the first supporting ring 8, the pull slot 25 opened on the second supporting ring 9 is convenient for a hand or a mechanical arm to pinch the pull plate 12, the handle 22 on the filter screen 15 is used for conveniently taking the filter screen, the through hole opened on the second lifting plate 21 is used for the up-and-down movement of the round rod 16, so as to avoid the vibration in the filtering process from affecting the device, and the stop block 17 is used for preventing the second lifting plate 21 from being separated from the long rod 16 when ascending.

[0047] The telescopic end of the hydraulic rod 6 is rotationally connected to the back of the plow plate 3, and by controlling the telescopic movement of the hydraulic rod 6, the height of the plow plate 3 can be adjusted.

Claims

1. A plow-type discharger impurity removal structure, comprising a frame (1), a discharge platform (2) and a plow blade (3), characterized in that: The side of the unloading platform (2) is connected to the funnel (7), the inner wall of the funnel (7) is slidably connected to the second support ring (9), and the filter screen (15) is installed inside the second support ring (9); The outer side of the funnel (7) is fixedly connected to the support plate (18), the upper surface of the support plate (18) is connected to the push rod (19), the upper side of the push rod (19) is connected to the first lifting plate (20), both sides of the first lifting plate (20) are connected to the second lifting plate (21), and the second lifting plate (21) is provided with a long rod (16) connected therethrough; the top of the long rod (16) is connected to the stopper (17), and the bottom is connected to the top of the second support ring (9).

2. A plow-type discharger impurity removal structure according to claim 1, characterized in that: The second support ring (9) has a through groove (23) and a slot (24) on the left and right sides respectively; one side of the filter screen (15) is inserted into the inside of the slot (24); the inside of the through groove (23) is slidably connected to a clamping plate (14); one side of the clamping plate (14) is connected to the filter screen (15). A second spring (13) is fixedly connected to one side of the clamping plate (14) away from the filter screen (15), and the other end of the second spring (13) is fixedly connected to the side wall of the through groove (23). The side of the clamping plate (14) away from the filter screen (15) is also connected to a pull plate (12) via a connecting rod.

3. A plow type discharger impurity removal structure according to claim 2, characterized in that: The bottom of the second support ring (9) is connected to the first spring (10), and the first support ring (8) is connected below the first spring (10); a vibration motor (11) is also installed on the bottom surface of the second support ring (9); the first support ring (8) is inside the funnel (7) and is slidably connected to the funnel (7).

4. The impurity removal structure of a plow-type discharger according to claim 3, characterized in that: A drawing groove (25) is provided on the outer side of the second support ring (9), the drawing groove (25) is located on the side where the through groove (23) is located, and the drawing groove (25) is communicated with the through groove (23).

5. The impurity removal structure of a plow-type discharger according to claim 1, characterized in that: A plurality of long rods (16) are fixedly connected to the top of the second support ring (9), and a stopper (17) is fixedly connected to the upper end of each long rod (16). A slot is provided inside the second lifting plate (21) for the long rods (16) to move up and down.

6. The impurity removal structure of a plow-type discharger according to claim 1, characterized in that: The upper surface of the filter screen (15) is connected to a handle (22); a boss (26) is provided inside the funnel (7) and is located below the first support ring (8).

7. The impurity removal structure of a plow-type discharger according to claim 1, characterized in that: The frame (1) and the unloading platform (2) are fixedly connected, the back of the plow board (3) is fixedly connected to a connecting seat (4), the other end of the connecting seat (4) is rotatably mounted on the frame (1), and a hinge seat (5) is mounted on the top of the frame (1), a hydraulic rod (6) is hinged on the hinge seat (5), and the telescopic end of the hydraulic rod (6) is rotatably connected to the back of the plow board (3).

8. The impurity removal structure of a plow-type discharger according to claim 1, characterized in that: A funnel (7) is connected to each side of the unloading platform (2), and the two funnels (7) are respectively located at the discharge locations on both sides of the plow blade (3).

9. The impurity removal structure of a plow-type discharger according to claim 1, characterized in that: The push rod (19) is an electric push rod.

10. The impurity removal structure of a plow-type discharger according to claim 1, characterized in that: The second lifting plate (21) is provided with a through hole for the long rod (16) to move up and down, and the cross-sectional size of the through hole is smaller than the cross-sectional size of the stopper (17), and the cross-sectional size of the through hole is larger than the cross-sectional size of the long rod (16).

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