阅读说明：本技术 高陡坡混凝土运输消除离析的二次搅拌装置 (Secondary stirring device for eliminating segregation in high-steep-slope concrete transportation ) 是由 丁宏伟 王文 倪胜 徐卫东 徐盛 段声超 于 2021-07-26 设计创作，主要内容包括：本发明公开了一种高陡坡混凝土运输消除离析的二次搅拌装置,其包括搅拌罐以及设置于搅拌罐出料口的出料槽,所述搅拌罐的侧壁安装有支撑板,所述出料槽的底部固接有水平管,所述水平管转动连接于支撑板的顶部；所述支撑板上安装有用于驱动水平管转动的驱动机构；所述驱动机构包括滑移连接于支撑板顶部的驱动杆以及沿驱动杆的周向依次固接于驱动杆外侧壁的多个螺旋块,所述水平管的内壁沿其周向依次开设有多个螺旋槽,所述螺旋块与所述螺旋槽一一对应的配合；所述支撑板的顶部安装有用于驱动驱动杆移动的驱动组件。本发明便于对出料槽进行疏通。(The invention discloses a secondary stirring device for eliminating segregation in high and steep slope concrete transportation, which comprises a stirring tank and a discharge tank arranged at a discharge port of the stirring tank, wherein a support plate is arranged on the side wall of the stirring tank, a horizontal pipe is fixedly connected to the bottom of the discharge tank, and the horizontal pipe is rotatably connected to the top of the support plate; the supporting plate is provided with a driving mechanism for driving the horizontal pipe to rotate; the driving mechanism comprises a driving rod connected to the top of the supporting plate in a sliding manner and a plurality of spiral blocks fixedly connected to the outer side wall of the driving rod in sequence along the circumferential direction of the driving rod, a plurality of spiral grooves are formed in the inner wall of the horizontal pipe in sequence along the circumferential direction of the horizontal pipe, and the spiral blocks are matched with the spiral grooves in a one-to-one correspondence manner; and a driving assembly for driving the driving rod to move is arranged at the top of the supporting plate. The invention is convenient for dredging the discharge chute.)

1. The utility model provides a high steep slope concrete transportation eliminates secondary agitating unit of segregation, includes agitator tank (1) and sets up in blown down tank (2) of agitator tank (1) discharge gate, its characterized in that: a supporting plate (3) is mounted on the side wall of the stirring tank (1), a horizontal pipe (21) is fixedly connected to the bottom of the discharge chute (2), and the horizontal pipe (21) is rotatably connected to the top of the supporting plate (3); a driving mechanism (4) for driving the horizontal pipe (21) to rotate is arranged on the supporting plate (3);

the driving mechanism (4) comprises a driving rod (41) connected to the top of the supporting plate (3) in a sliding mode and a plurality of spiral blocks (42) fixedly connected to the outer side wall of the driving rod (41) in sequence along the circumferential direction of the driving rod (41), a plurality of spiral grooves (43) are formed in sequence along the circumferential direction of the inner wall of the horizontal pipe (21), and the spiral blocks (42) are matched with the spiral grooves (43) in a one-to-one correspondence mode; and a driving component for driving the driving rod (41) to move is mounted at the top of the supporting plate (3).

2. The secondary mixing device for eliminating segregation in high and steep slope concrete transportation according to claim 1, wherein: the driving assembly comprises a driving part (5) which is arranged at the top of the supporting plate (3) and used for driving the driving rod (41) to move towards the direction close to the horizontal pipe (21), and a resetting part (6) which is arranged at the top of the supporting plate (3) and used for driving the driving rod (41) to reset.

3. The secondary mixing device for eliminating segregation in high steep slope concrete transportation according to claim 2, characterized in that: the driving part (5) comprises a first lead screw (51) which is rotatably connected to the top of the supporting plate (3) and a first hand wheel (54) which is fixedly connected to one end of the first lead screw (51); the first screw rod (51) is in threaded connection with a first moving plate (52), and the first moving plate (52) is connected to the top of the supporting plate (3) in a sliding manner; one end of the driving rod (41) is abutted against one side of the first moving plate (52) close to the horizontal tube (21).

4. The secondary mixing device for eliminating segregation in high steep slope concrete transportation according to claim 2, characterized in that: the reset piece (6) comprises a fixed plate (61) fixedly connected to the top of the support plate (3) and a reset plate (62) connected to the fixed plate (61) in a sliding manner; reset plate (62) are close to one side rigid coupling in the one end of actuating lever (41) of horizontal pipe (21), reset plate (62) keep away from one side rigid coupling of horizontal pipe (21) and have a plurality of first guide arms (63), every first guide arm (63) all slide and connect in fixed plate (61), and first spring (64) have been cup jointed on first guide arm (63), the both ends difference rigid coupling of first spring (64) is inboard in the relative of resetting plate (62) and fixed plate (61).

5. The secondary mixing device for eliminating segregation in high and steep slope concrete transportation according to claim 1, wherein: one end of the discharge chute (2) far away from the stirring tank (1) is detachably connected with an elongated slot (7).

6. The secondary mixing device for eliminating segregation in high and steep slope concrete transportation according to claim 5, wherein: the opposite inner sides of the elongated slot (7) and the discharge chute (2) are respectively provided with an inserting plate (71) and a slot (22), and the inserting plate (71) is inserted into the slot (22); and a plurality of groups of fixing mechanisms (8) for fixing the inserting plate (71) are arranged on the bottom wall of the inserting groove (22).

7. The secondary mixing device for eliminating segregation in high and steep slope concrete transportation according to claim 6, wherein: each group of fixing mechanisms (8) comprises a limiting plate (81), an inclined plane (811) is arranged on one side, close to the inserting plate (71), of the limiting plate (81), a through hole (221) for the limiting plate (81) to slide is formed in the bottom wall of the inserting groove (22), and a limiting groove (711) for the limiting plate (81) to be inserted is formed in the bottom of the inserting plate (71); a sliding sleeve (82) is fixedly connected to one side of the limiting plate (81), a second guide rod (83) is fixedly connected to the bottom of the discharge chute (2), and the sliding sleeve (82) is connected to the second guide rod (83) in a sliding mode; one end of the second guide rod (83) far away from the discharge chute (2) is fixedly connected with a stop block (84), the second guide rod (83) is sleeved with a second spring (85), and two ends of the second spring (85) are fixedly connected to the inner sides of the stop block (84) and the sliding sleeve (82) relatively.

8. The secondary mixing device for eliminating segregation in concrete transportation on a high steep slope according to claim 7, characterized in that: the bottom of blown down tank (2) is installed and is used for driving a plurality of limiting plates (81) to keeping away from drive assembly (9) that spacing groove (711) direction removed.

9. The secondary mixing device for eliminating segregation in high steep slope concrete transportation according to claim 8, characterized in that: the transmission assembly (9) comprises a second lead screw (91) which is rotatably connected to the bottom of the discharge chute (2) and a second hand wheel (92) which is fixedly connected to one end, far away from the discharge chute (2), of the second lead screw (91); a second moving plate (93) is connected to the second lead screw (91) in a threaded manner, and the second moving plate (93) is connected to the bottom of the discharge chute (2) in a sliding manner; one side of each limiting plate (81) is fixedly connected with a connecting block (96), a plurality of pushing blocks (931) are fixedly connected to the second moving plate (93), and the pushing blocks (931) can abut against one side, close to the discharge chute (2), of the connecting blocks (96) in a one-to-one correspondence mode.

Technical Field

The invention relates to the technical field of bridge construction equipment, in particular to a secondary stirring device for eliminating segregation in high and steep slope concrete transportation.

Background

Currently, bridge construction machinery is engineering machinery used for bridge construction. Most of them are general-purpose, and the others are between them.

In the prior art, reference can be made to the Chinese patent application with publication number CN107599174A, which discloses a secondary stirring device for eliminating segregation in high and steep slope concrete transportation, comprising two stirring tanks and a herringbone feeding chute, wherein the two stirring tanks are arranged side by side and are respectively and rotatably connected in two section steel frames, two discharge ends of the herringbone feeding chute are respectively connected to feed inlets of the two stirring tanks, and the top of each section steel frame is provided with a suspension hole. The invention transports the concrete with high and steep slopes by matching the secondary stirring equipment with the scurrying barrel, ensures that one tank body stirs and one tank body discharges the material, can effectively eliminate the segregation of the concrete and can ensure the continuity of the concrete construction.

However, when the discharge chute of the stirring tank is clogged, the discharge chute may not be easily opened.

Disclosure of Invention

The application provides a secondary agitating unit that segregation was eliminated in high steep slope concrete transportation is convenient for dredge the blown down tank.

The application provides a pair of secondary agitating unit that segregation is eliminated in high steep slope concrete transportation adopts following technical scheme:

a secondary stirring device for eliminating segregation in high and steep slope concrete transportation comprises a stirring tank and a discharge tank arranged at a discharge port of the stirring tank, wherein a support plate is arranged on the side wall of the stirring tank, a horizontal pipe is fixedly connected to the bottom of the discharge tank, and the horizontal pipe is rotatably connected to the top of the support plate; the supporting plate is provided with a driving mechanism for driving the horizontal pipe to rotate; the driving mechanism comprises a driving rod connected to the top of the supporting plate in a sliding manner and a plurality of spiral blocks fixedly connected to the outer side wall of the driving rod in sequence along the circumferential direction of the driving rod, a plurality of spiral grooves are formed in the inner wall of the horizontal pipe in sequence along the circumferential direction of the horizontal pipe, and the spiral blocks are matched with the spiral grooves in a one-to-one correspondence manner; and a driving assembly for driving the driving rod to move is arranged at the top of the supporting plate.

Through adopting above-mentioned technical scheme, when the blown down tank takes place to block up, remove through drive assembly drive actuating lever, the actuating lever drives the horizontal pipe and rotates under the effect of spiral piece and helicla flute this moment, and the horizontal pipe rotates and can drive the blown down tank and rotate downwards to alright dredge the blown down tank.

Preferably, the driving assembly comprises a driving member mounted at the top of the supporting plate for driving the driving rod to move towards the direction close to the horizontal pipe and a resetting member mounted at the top of the supporting plate for driving the driving rod to reset.

Through adopting above-mentioned technical scheme, the driving piece that sets up is convenient for drive actuating lever to the direction removal that is close to the horizontal pipe, and the piece that resets of setting is convenient for drive actuating lever and resets.

Preferably, the driving part comprises a first lead screw rotatably connected to the top of the supporting plate and a first hand wheel fixedly connected to one end of the first lead screw; the first screw rod is in threaded connection with a first moving plate, and the first moving plate is connected to the top of the supporting plate in a sliding manner; one end of the driving rod is abutted against one side of the first moving plate close to the horizontal tube.

By adopting the technical scheme, when the driving rod is required to be driven to move towards the direction close to the horizontal pipe, the first lead screw is rotated by rotating the first hand wheel, the first lead screw rotates to drive the first moving plate to move, and the first moving plate can drive the driving rod to move towards the direction close to the horizontal pipe; in conclusion, the driving piece is arranged, so that the driving rod can be conveniently driven to move towards the direction close to the horizontal pipe.

Preferably, the reset member comprises a fixed plate fixedly connected to the top of the support plate and a reset plate slidably connected to the fixed plate; the utility model discloses a reset plate, including the horizontal pipe, the horizontal pipe is kept away from to the reset plate, the one side rigid coupling that the reset plate is close to the horizontal pipe is in the one end of actuating lever, the one side rigid coupling that the horizontal pipe was kept away from to the reset plate has a plurality of first guide arms, every first guide arm all slides and connects in the fixed plate, and first spring has been cup jointed on the first guide arm, the both ends of first spring rigid coupling respectively in the relative inboard of reset plate and fixed plate.

By adopting the technical scheme, the driving rod moves to drive the reset plate to move, the reset plate moves to press the first spring, and the first spring is in a compressed state at the moment; when the first moving plate moves towards the direction far away from the driving rod, the reset plate can drive the driving rod to reset under the action of the first spring; through setting up the piece that resets, be convenient for drive actuating lever resets.

Preferably, one end of the discharge chute, which is far away from the stirring tank, is detachably connected with an elongated slot.

By adopting the technical scheme, when the height difference between one end of the discharge chute far away from the stirring tank and the top of the material receiving trolley is large, the height difference between one end of the discharge chute far away from the stirring tank and the top of the material receiving trolley can be shortened by installing the extension groove, so that the concrete sprinkling can be reduced.

Preferably, the opposite inner sides of the elongated slot and the discharge slot are respectively provided with an inserting plate and an inserting slot, and the inserting plate is inserted into the inserting slot; and a plurality of groups of fixing mechanisms for fixing the inserting plate are arranged on the bottom wall of the inserting groove.

By adopting the technical scheme, when the elongated slot needs to be installed, the inserting plate is inserted into the slot by moving the elongated slot, and then the inserting plate is fixed by the fixing mechanism, so that the elongated slot can be installed.

Preferably, each group of fixing mechanisms comprises a limiting plate, an inclined plane is arranged on one side of the limiting plate close to the inserting plate, a through hole for the limiting plate to slide is formed in the bottom wall of the inserting groove, and a limiting groove for the limiting plate to be inserted is formed in the bottom of the inserting plate; a sliding sleeve is fixedly connected to one side of the limiting plate, a second guide rod is fixedly connected to the bottom of the discharge chute, and the sliding sleeve is connected to the second guide rod in a sliding mode; the one end rigid coupling that the blown down tank was kept away from to the second guide arm has the dog, cup jointed the second spring on the second guide arm, the both ends of second spring rigid coupling respectively in the relative inboard of dog and sliding sleeve.

By adopting the technical scheme, when the plug board is plugged with the slot, the plug board drives the limiting plate to move in the direction away from the slot under the action of the inclined plane, and the limiting plate moves to drive the sliding sleeve to move, so that the sliding sleeve moves to press the second spring, and the second spring is in a compressed state; after the plugboard is inserted into the slot, the sliding sleeve drives the limiting plate to be inserted into the limiting groove under the action of the second spring, so that the plugboard can be fixed; through setting up fixed establishment, be convenient for fix the picture peg.

Preferably, the bottom of blown down tank is installed and is used for driving a plurality of limiting plates to keeping away from the drive assembly that the spacing groove direction removed.

Through adopting above-mentioned technical scheme, the transmission assembly that sets up is convenient for drive a plurality of limiting plates and removes to the direction of keeping away from the spacing groove to be convenient for take off the extension slot.

Preferably, the transmission assembly comprises a second lead screw rotatably connected to the bottom of the discharge chute and a second hand wheel fixedly connected to one end, far away from the discharge chute, of the second lead screw; a second moving plate is connected to the second screw rod in a threaded manner and is connected to the bottom of the discharge chute in a sliding manner; every one side rigid coupling of limiting plate has the connecting block, the rigid coupling has a plurality of ejector pads on the second movable plate, and is a plurality of the one-to-one butt that the ejector pad can be in a plurality of connecting blocks is close to one side of blown down tank.

By adopting the technical scheme, when the plurality of limiting plates need to be driven to move in the direction far away from the limiting groove, the second lead screw is rotated by rotating the second hand wheel, the second lead screw rotates to drive the second movable plate to move, the second movable plate moves to drive the plurality of pushing blocks to move, and the plurality of pushing blocks can drive the plurality of limiting plates to move in the direction far away from the limiting groove; through setting up transmission assembly, be convenient for drive a plurality of limiting plates to the direction removal of keeping away from the spacing groove.

To sum up, the application has the following beneficial effects:

1. when the discharge chute is blocked, the driving rod is driven to move through the driving assembly, the driving rod drives the horizontal pipe to rotate under the action of the spiral block and the spiral groove, and the discharge chute can be driven to rotate downwards through the rotation of the horizontal pipe, so that the discharge chute can be dredged;

2. when the height difference between one end of the discharge chute, which is far away from the stirring tank, and the top of the material receiving trolley is large, the height difference between one end of the discharge chute, which is far away from the stirring tank, and the top of the material receiving trolley can be shortened by installing the elongated slot, so that the concrete can be reduced from scattering;

3. when the plurality of limiting plates need to be driven to move in the direction far away from the limiting groove, the second lead screw is rotated by rotating the second hand wheel, the second lead screw rotates to drive the second moving plate to move, the second moving plate moves to drive the plurality of pushing blocks to move, and the plurality of pushing blocks can drive the plurality of limiting plates to move in the direction far away from the limiting groove; through setting up transmission assembly, be convenient for drive a plurality of limiting plates to the direction removal of keeping away from the spacing groove.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a salient driving mechanism in the embodiment of the present application;

FIG. 3 is a schematic view showing the structure of a spiral block and a spiral groove in the embodiment of the present application;

FIG. 4 is a schematic view showing the structure of the board and the slot in the embodiment of the present application;

FIG. 5 is a schematic view showing the structure of the fixing mechanism and the transmission assembly in the embodiment of the present application.

Description of reference numerals: 1. a stirring tank; 11. a support; 2. a discharge chute; 21. a horizontal tube; 22. a slot; 221. a through hole; 3. a support plate; 4. a drive mechanism; 41. a drive rod; 42. a screw block; 43. a helical groove; 5. a drive member; 51. a first lead screw; 52. a first moving plate; 53. mounting a plate; 54. a first hand wheel; 55. a third guide bar; 6. a reset member; 61. a fixing plate; 62. a reset plate; 63. a first guide bar; 64. a first spring; 65. a limiting block; 7. an elongated slot; 71. inserting plates; 711. a limiting groove; 8. a fixing mechanism; 81. a limiting plate; 811. a bevel; 82. a sliding sleeve; 83. a second guide bar; 84. a stopper; 85. a second spring; 9. a transmission assembly; 91. a second lead screw; 92. a second hand wheel; 93. a second moving plate; 931. a push block; 94. a fourth guide bar; 95. a fixed block; 96. and (4) connecting the blocks.

Detailed Description

The invention discloses a secondary stirring device for eliminating segregation in high and steep slope concrete transportation, which comprises a stirring tank 1 and a discharge chute 2 obliquely arranged at a discharge port of the stirring tank 1, wherein the side wall of the stirring tank 1 is fixedly connected with a support plate 3 through a support 11, the support plate 3 is horizontally arranged, the bottom of the discharge chute 2 is fixedly connected with a horizontal pipe 21, the horizontal pipe 21 extends along the length direction of the support plate 3, and the horizontal pipe 21 is rotatably connected to the top of the support plate 3 through a bearing; the supporting plate 3 is provided with a driving mechanism 4 for driving the horizontal pipe 21 to rotate.

As shown in fig. 2 and 3, the driving mechanism 4 includes a driving rod 41 slidably connected to the top of the support plate 3 along the length direction of the support plate 3, and a plurality of screw blocks 42 sequentially fixed to the outer side wall of the driving rod 41 along the circumferential direction of the driving rod 41; the inner wall of the horizontal pipe 21 is sequentially provided with a plurality of spiral grooves 43 along the circumferential direction, and the spiral blocks 42 are correspondingly matched with the spiral grooves 43 one by one; the top of the supporting plate 3 is provided with a driving assembly for driving the driving rod 41 to move, and the driving assembly comprises a driving member 5 mounted on the top of the supporting plate 3 for driving the driving rod 41 to move towards the direction close to the horizontal pipe 21 and a resetting member 6 mounted on the top of the supporting plate 3 for resetting the driving rod 41. When the spout 2 takes place to block up, remove through drive assembly drive actuating lever 41, actuating lever 41 drives horizontal pipe 21 and rotates under the effect of spiral piece 42 and helicla flute 43 this moment, and horizontal pipe 21 rotates and can drive spout 2 and rotate downwards to alright dredge spout 2.

As shown in fig. 2 and 3, the driving member 5 includes a first lead screw 51 rotatably connected to the top of the supporting plate 3, the first lead screw 51 is disposed along the length direction of the supporting plate 3, a first moving plate 52 is connected to the first lead screw 51 in a threaded manner, and the first moving plate 52 is disposed vertically; mounting plates 53 are vertically and fixedly connected to two ends of the top of the supporting plate 3, two ends of a first lead screw 51 are rotatably connected to opposite inner sides of the two mounting plates 53 through bearings, and one end of the first lead screw 51 penetrates through one mounting plate 53 and is fixedly connected with a first hand wheel 54; a third guide rod 55 is arranged between the two mounting plates 53, two ends of the third guide rod 55 are respectively and fixedly connected to the opposite inner sides of the two fixed plates 61, the third guide rod 55 is arranged along the length direction of the support plate 3, the third guide rod 55 penetrates through the first moving plate 52, and the first moving plate 52 is connected to the third guide rod 55 in a sliding manner along the length direction of the support plate 3; one end of the drive lever 41 abuts on the first moving plate 52 on the side closer to the horizontal tube 21. When the driving rod 41 needs to be driven to move in the direction close to the horizontal tube 21, the first hand wheel 54 is rotated to rotate the first lead screw 51, the first lead screw 51 rotates to drive the first moving plate 52 to move, and the first moving plate 52 can drive the driving rod 41 to move in the direction close to the horizontal tube 21; in summary, the driving rod 41 is driven to move closer to the horizontal pipe 21 by the driving member 5.

As shown in fig. 2 and 3, the restoring member 6 includes a fixing plate 61 vertically fixed on the top of the supporting plate 3 and a restoring plate 62 slidably connected to the fixing plate 61; the reset plate 62 is vertically arranged, one side of the reset plate 62 close to the horizontal tube 21 is fixedly connected to one end of the driving rod 41, one side of the reset plate 62 far away from the horizontal tube 21 is fixedly connected with a plurality of first guide rods 63, the first guide rods 63 penetrate through the fixed plate 61, and each first guide rod 63 is connected to the fixed plate 61 in a sliding manner along the length direction of the supporting plate 3; the first guide rod 63 is sleeved with a first spring 64, and two ends of the first spring 64 are respectively and fixedly connected to the opposite inner sides of the reset plate 62 and the fixed plate 61; one end of the first guide rod 63, which is far away from the reset plate 62, protrudes out of one side of the fixed plate 61, which is far away from the driving rod 41, and is fixedly connected with a limit block 65. The driving rod 41 moves to drive the reset plate 62 to move, the reset plate 62 moves to press the first spring 64, and at the moment, the first spring 64 is in a compressed state; when the first moving plate 52 moves away from the driving rod 41, the reset plate 62 can drive the driving rod 41 to reset under the action of the first spring 64; the reset piece 6 is arranged, so that the driving rod 41 is convenient to reset.

As shown in fig. 1 and 4, one end of the discharge chute 2, which is far away from the agitator tank 1, is detachably connected with an elongated slot 7, handles are fixedly connected to both sides of the elongated slot 7, an insertion plate 71 and an insertion slot 22 are respectively arranged on opposite inner sides of the elongated slot 7 and the discharge chute 2, the insertion plate 71 is fixedly connected to one end of the elongated slot 7, which is close to the discharge chute 2, the insertion plate 71 is U-shaped, the insertion slot 22 is arranged at one end of the discharge chute 2, which is close to the elongated slot 7, the insertion slot 22 is U-shaped, and the insertion plate 71 is inserted into the insertion slot 22; the two ends of the bottom wall of the slot 22 are respectively provided with a fixing mechanism 8 for fixing the inserting plate 71. When the height difference between one end of the discharge chute 2 far away from the stirring tank 1 and the top of the material receiving trolley is large, the height difference between one end of the discharge chute 2 far away from the stirring tank 1 and the top of the material receiving trolley can be shortened by installing the extension groove 7, and thus the concrete sprinkling can be reduced.

As shown in fig. 4 and 5, each set of fixing mechanism 8 includes a stopper plate 81, an inclined plane 811 is disposed on one side of the stopper plate 81 close to the inserting plate 71, a through hole 221 for allowing the stopper plate 81 to slide along the height direction of the discharging chute 2 is formed in the bottom wall of the slot 22, and a limit groove 711 for allowing the stopper plate 81 to be inserted is formed in the bottom of the inserting plate 71; one side of the limiting plate 81 is fixedly connected with a sliding sleeve 82, the sliding sleeve 82 protrudes out of the bottom wall of the discharge chute 2, the bottom of the discharge chute 2 is fixedly connected with a second guide rod 83, the second guide rod 83 is arranged along the height direction of the discharge chute 2, and the sliding sleeve 82 is connected to the second guide rod 83 in a sliding manner along the height direction of the discharge chute 2; a stopper 84 is fixedly connected to one end of the second guide rod 83 far away from the discharge chute 2, a second spring 85 is sleeved on the second guide rod 83, and two ends of the second spring 85 are fixedly connected to the stopper 84 and the inner side of the sliding sleeve 82 respectively. When the inserting plate 71 is inserted into the slot 22, the inserting plate 71 drives the limiting plate 81 to move in a direction away from the slot 22 under the action of the inclined surface 811, and then the limiting plate 81 moves to drive the sliding sleeve 82 to move, the sliding sleeve 82 moves to press the second spring 85, and the second spring 85 is in a compressed state; after the inserting plate 71 is inserted into the slot 22, the sliding sleeve 82 drives the limiting plate 81 to be inserted into the limiting groove 711 under the action of the second spring 85, so that the inserting plate 71 can be fixed; the insertion plate 71 is fixed conveniently by providing the fixing mechanism 8.

As shown in fig. 4 and 5, a transmission assembly 9 for driving the two limit plates 81 to move in the direction away from the limit groove 711 is installed at the bottom of the discharge chute 2, and the transmission assembly 9 includes a second lead screw 91 vertically and rotatably connected to the bottom of the discharge chute 2 through a bearing and a second hand wheel 92 fixedly connected to one end of the second lead screw 91 away from the discharge chute 2; a second moving plate 93 is connected to the second lead screw 91 in a threaded manner, a fourth guide rod 94 is fixedly connected to the bottom of the discharge chute 2, the fourth guide rod 94 penetrates through the second moving plate 93, the second moving plate 93 is connected to the fourth guide rod 94 in a sliding manner, and a fixed block 95 is fixedly connected to one end, far away from the discharge chute 2, of the fourth guide rod 94; one side of each limiting plate 81 is fixedly connected with a connecting block 96, two ends of the second moving plate 93 are respectively and fixedly connected with pushing blocks 931, and the two pushing blocks 931 can abut against one side of the two connecting blocks 96 close to the discharge chute 2. When the plurality of limiting plates 81 need to be driven to move in the direction away from the limiting groove 711, the second lead screw 91 is rotated by rotating the second wheel 92, the second lead screw 91 rotates to drive the second moving plate 93 to move, the second moving plate 93 moves to drive the plurality of pushing blocks 931 to move, and the plurality of pushing blocks 931 move to drive the plurality of limiting plates 81 to move in the direction away from the limiting groove 711; by arranging the transmission assembly 9, the plurality of limiting plates 81 are driven to move in the direction away from the limiting groove 711.

The working principle is as follows: when the discharge chute 2 is blocked, the first screw 51 is rotated by rotating the first hand wheel 54, the first screw 51 rotates and drives the first moving plate 52 to move, the first moving plate 52 drives the driving rod 41 to move towards the direction close to the horizontal pipe 21, at the moment, the driving rod 41 drives the horizontal pipe 21 to rotate under the action of the spiral block 42 and the spiral groove 43, the horizontal pipe 21 rotates to drive the discharge chute 2 to rotate downwards, and therefore the discharge chute 2 can be dredged.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.