Pinning flow-assisting device

Abstract

The utility model discloses a loosening flow assisting device, which belongs to the technical field of coal transportation equipment and is characterized in that a cavity for accommodating a telescopic component is arranged inside a shell, an opening communicated with the cavity is arranged at one end of the shell, and the outline of the opening is not smaller than the outer outline of a telescopic rod of the telescopic component; the hammerhead plate is installed at the opening, the end face, away from the opening, of the hammerhead plate is provided with a curved surface with the curvature radius matched with the outer wall of the blanking coal hopper, a first guide rod is arranged on the hammerhead plate and fixedly connected with the hammerhead plate, a connecting plate fixedly connected with the shell is arranged at the opening, and the first guide rod penetrates through the connecting plate and is in sliding connection with the connecting plate; an anti-falling part is arranged at the end, away from the hammer head plate, of the first guide rod, and a first spring is arranged in the area, located between the connecting plate and the anti-falling part, of the first guide rod; the end face, making contact with the blanking coal bucket, of the hammer head plate is arranged to be the curved face with the curvature radius matched with the outer wall of the blanking coal bucket, and the loosening effect on the blanking coal bucket is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal transportation equipment, in particular to a loosening and flow-aiding device. Background Art

[0002] The coal hopper is a pipe with a diameter that gradually decreases from top to bottom, and its lower end diameter is slightly smaller than the belt width of the conveyor belt. Due to the specific shape of the coal hopper, the viscosity, moisture content, particle size and shape of the raw coal, coal often accumulates in the lumen of the coal hopper, resulting in pipeline blockage. In order to solve the above blockage problem, a loosening and flow-aiding device is often used to vibrate the pipe wall of the coal hopper.

[0003] The loosening and flow-aiding device essentially uses the cylinder to move the piston rod quickly when the gas source is filled, so that the piston rod drives the end hammer plate to hit the outer tube wall of the coal hopper, so that the coal inside the tube cavity is freed from agglomeration and falls smoothly. Most of the existing hammer plates are flat structures. When hammering the coal hopper, the force on the hammer plate cannot be fully applied to the coal hopper, thereby reducing the unblocking effect of the loosening and flow-aiding device on the coal hopper.

[0004] Therefore, how to design a loosening and flow-aiding device to improve the dredging effect of the hammer plate on the coal hopper is a technical problem that technical personnel in this field urgently need to solve. Utility Model Content

[0005] The purpose of the utility model is to provide a loosening and flow-aiding device to address the defects and shortcomings in the prior art, by setting the end face of the hammer plate in contact with the blanking coal hopper to a curved surface with a curvature radius that matches the outer wall of the blanking coal hopper, thereby improving the loosening effect on the blanking coal hopper.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] The utility model provides a loosening and flow-aiding device, comprising a shell, a telescopic component and a hammer plate, wherein a cavity is provided inside the shell, the telescopic component is located in the cavity, an opening communicating with the cavity is provided at one end of the shell, the telescopic component has a telescopic rod and a mounting seat, the contour of the opening is smaller than the outer contour of the mounting seat, and is not smaller than the outer contour of the telescopic rod, so that the telescopic rod can extend or retract into the cavity;

[0008] The hammer head plate is installed at the opening, and the end face of the hammer head plate away from the opening has a curved surface with a curvature radius that matches the outer wall of the blanking coal hopper. A first guide rod is provided on the hammer head plate, and the first guide rod is fixedly connected to the hammer head plate. A connecting plate fixedly connected to the shell is provided at the opening, and the first guide rod passes through the connecting plate and is slidably connected to the connecting plate. An anti-slip component is provided at the end of the first guide rod away from the hammer head plate to prevent the first guide rod from falling off. A first spring is provided in the area of ​​the first guide rod between the connecting plate and the anti-slip component. Driven by the telescopic rod and the first spring, the hammer head plate can perform reciprocating back and forth motion to hammer the outer wall of the blanking coal hopper.

[0009] Preferably, the first guide rod is a first bolt, and the anti-dropping component is a first nut sleeved on the first bolt.

[0010] Preferably, the end surface of the hammer plate facing the connecting plate is completely in contact with the connecting plate to reduce the pressure acting on the connecting plate.

[0011] Preferably, the telescopic component is a cylinder, and one end of the cylinder away from the opening is fixedly connected to the inner wall of the cavity so as to fix the cylinder on the housing.

[0012] Preferably, a lug is provided at the tail of the cylinder, and through holes for the second bolt to pass through are provided on two opposite side surfaces of the shell and the lug, the second bolt passes through the through hole, and one end of the second bolt passes through the shell and is connected with a second nut to fix the cylinder on the shell.

[0013] Preferably, the shell has only one opening, and a second opening for taking out the cylinder is provided on at least one of the front side, rear side, left side and right side of the shell, and the size of the second opening is not smaller than the outer contour of the cylinder so that the cylinder can be taken out through the second opening, and the second opening is covered with a side cover plate, and the side cover plate is detachably connected to the second opening.

[0014] Preferably, the side cover plate is connected to the side surface having the second opening through a threaded connection.

[0015] Preferably, a second compression spring is sleeved on the second bolt near the second nut, one end of the second compression spring abuts against the inner wall of the cavity, and the other end of the second compression spring abuts against the second bolt or the lug to buffer the impact force transmitted to the second bolt and prevent the second nut from loosening.

[0016] Preferably, a cotter pin is provided at one end of the first nut away from the connecting plate and at one end of the second nut away from the cavity, and the length of the cotter pin is greater than the maximum value of the diameter of the first nut and the diameter of the second nut to prevent the first nut and / or the second nut from falling off.

[0017] Compared with the prior art, the utility model has achieved the following technical effects:

[0018] 1. The utility model sets the end surface of the hammer plate in contact with the coal hopper as a curved surface with a curvature radius matching the outer wall of the coal hopper, so that the hammering force on the hammer plate can be fully applied to the coal hopper, thereby improving the loosening effect on the coal hopper.

[0019] Compared with the prior art, other technical solutions of this application have achieved the following technical effects:

[0020] 2. The utility model provides a second opening on the side of the shell, and covers the second opening with a side cover plate, so that when replacing the cylinder, there is no need to remove the loosening and flow-aiding device from the silo, nor to disassemble the hammer plate and the connecting plate. Only the second bolt, the air pipe connected to the cylinder, and the side cover plate need to be removed, thereby improving the work efficiency when replacing the cylinder and reducing the maintenance cost of the loosening and flow-aiding device in the later stage.

[0021] 3. The utility model buffers the impact force transmitted to the second bolt by sleeve-arranging the second spring on the second bolt near the second nut, so as to prevent the second nut from loosening and improve the working reliability of the loosening and flow-aiding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 It is a right side structural schematic diagram of the loosening and flow-aiding device;

[0024] Figure 2 This is a schematic diagram of the main structure of the loosening and flow-aiding device;

[0025] Figure 3 The main structural diagram is to omit the side cover;

[0026] Figure 4 This is a schematic diagram of the top view of the structure of the loosening and flow-aiding device;

[0027] Figure 5It is a schematic diagram of the cross-sectional structure at AA;

[0028] Figure 6 It is a schematic diagram of the structure of the loosening and flow-aiding device from the back;

[0029] Figure 7 is a structural schematic diagram of the connecting plate;

[0030] Figure 8 It is a schematic diagram of the connection structure between the shell, the connecting plate and the U-shaped reinforcing plate;

[0031] Fig. 9 It is a schematic diagram of the enlarged structure at A;

[0032] Fig.10 This is a schematic diagram of the enlarged structure at point B.

[0033] Among them, 1. shell; 2. hammer plate; 3. cavity; 4. opening; 5. connecting plate; 6. first spring; 7. first bolt; 8. first nut; 9. first wing plate; 10. countersunk hole; 11. cylinder; 12. lug; 13. second bolt; 14. second nut; 15. second opening; 16. side cover plate; 17. U-shaped reinforcement plate; 18. second compression spring; 19. cotter pin. DETAILED DESCRIPTION

[0034] 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.

[0035] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0036] like Figures 1 to 10 As shown, the utility model provides a loosening and flow-aiding device, comprising a shell 1, a telescopic component and a hammer plate 2. A cavity 3 is provided inside the shell 1, and the telescopic component is located in the cavity 3. An opening 4 communicating with the cavity 3 is provided at one end of the shell 1. The telescopic component has a telescopic rod and a mounting seat. The contour of the opening 4 is smaller than the outer contour of the mounting seat and is not smaller than the outer contour of the telescopic rod, so that the telescopic rod can extend or retract into the cavity 3.

[0037] The hammer plate 2 is installed at the opening 4, and the end face of the hammer plate 2 away from the opening 4 has a curved surface with a curvature radius that matches the outer wall of the blanking coal hopper. A first guide rod is provided on the hammer plate 2, and the first guide rod is fixedly connected to the hammer plate 2. A connecting plate 5 fixedly connected to the shell 1 is provided at the opening 4 of the shell 1. The other end of the first guide rod passes through the connecting plate 5 and can move forward and backward relative to the connecting plate 5. An anti-slip component is provided at the end of the first guide rod away from the hammer plate 2, and a first spring 6 is sleeved in the area of ​​the first guide rod between the connecting plate 5 and the anti-slip component. When the telescopic rod is not extended, the hammer plate 2 fits with the connecting plate 5. When the telescopic rod is extended, the telescopic rod pushes the hammer plate 2 to move forward. At this time, the first guide rod also moves forward driven by the hammer plate 2 until the hammer plate 2 fits with the outer wall of the blanking coal hopper. When the telescopic rod is retracted, the hammer plate 2 and the first guide rod are reset driven by the first spring 6. By setting the end face of the hammer plate 2 away from the opening 4 as a curved surface adapted to the outer wall of the blanking coal hopper, the force applied to the blanking coal hopper through the hammer plate 2 can be fully applied to the outer wall of the blanking coal hopper, thereby improving the dredging effect of the blanking coal hopper; the first spring 6 is arranged between the anti-slip component and the connecting plate 5, which can also buffer the impact force transmitted to the first guide rod, preventing the anti-slip component from falling off under the action of long-term vibration, thereby causing the hammer plate 2 to fall off, thereby improving the service life of the loosening and flow-aiding device.

[0038] To facilitate the replacement of the hammer head plate 2, the anti-slip component is detachably connected to the first guide rod, wherein the first guide rod can be a rod with a smooth surface. At this time, the anti-slip component is an anti-slip cover covering the end of the first guide rod. To improve the connection firmness between the anti-slip cover and the first guide rod, the anti-slip cover is connected to the end of the first guide rod by interference fit or a threaded connector; the first guide rod can also be a first bolt 7. At this time, the anti-slip component is a first nut 8 threadedly connected to the first bolt 7. In this application, the first guide rod is preferably the first bolt 7 and the anti-slip component is the first nut 8.

[0039] In addition, the end surface of the hammer head plate 2 facing the connecting plate 5 is completely in contact with the connecting plate 5 to increase the contact area between the hammer head plate 2 and the connecting plate 5, reduce the pressure acting on the connecting plate 5, and increase the service life of the connecting plate 5. As a preferred embodiment of the present application, the hammer head plate 2 is an arc-shaped plate of equal thickness, and the connecting plate 5 is an arc-shaped plate of equal thickness whose curved surface curvature is adapted to the curved surface curvature of the hammer head plate 2.

[0040] The connecting plate 5 can be a separately formed structure or a structure integrally formed with the shell 1. As a preferred embodiment of the present application, the connecting plate 5 is a separately formed structure, and a first wing plate 9 that fits the shell 1 is symmetrically installed on one side of the connecting plate 5 away from the hammer head plate 2, and the first wing plate 9 is welded to the shell 1.

[0041] A countersunk hole 10 corresponding to the first bolt 7 is provided on the side of the hammer plate 2 away from the connecting plate 5. The head of the first bolt 7 is located in the countersunk hole 10 to prevent the head of the first bolt 7 from colliding with the outer tube wall of the coal hopper during the impact process, so as to facilitate the hammer plate 2 to fully contact with the outer tube wall of the coal hopper and improve the impact effect of the loosening and flow-aiding device.

[0042] The telescopic component can be a telescopic rod, a hydraulic cylinder, a cylinder, a gear transmission structure, etc. As a preferred embodiment of the present application, the telescopic component is a cylinder 11. To further improve the position stability of the cylinder 11 in the shell 1, the end of the cylinder 11 away from the opening 4 is fixedly connected to the inner wall of the cavity 3, and the piston rod can pass through the opening 4 to push the hammer plate 2 to reciprocate; the connection method between the cylinder 11 and the inner wall of the cavity 3 can be welding, bonding, threaded connection, etc. As a preferred embodiment of the present application, a lug 12 is provided at the tail of the cylinder 11, and through holes are provided on the two opposite side surfaces of the shell 1 and the lug 12. The diameter of the through hole is adapted to the diameter of the second bolt 13. The second bolt 13 passes through the through holes on the side surface and the lug 12 and then extends out of the side surface of the shell 1, and the end extending out of the side surface of the shell 1 is sleeved with a second nut 14 to fix the cylinder 11 on the shell 1.

[0043] In order to prevent the cylinder 11 from escaping from the end of the shell 1 away from the opening 4 under long-term vibration impact, the shell 1 of the present application has only one opening 4, that is, the end of the shell 1 away from the opening 4 is a closed structure. At this time, if the cylinder 11 needs to be replaced, it is necessary to first remove the entire loosening and flow-aiding device from the silo, and then remove the air pipe, hammer plate 2 and connecting plate 5 connected to the cylinder 11, loosen the second nut 14, take out the second bolt 13, separate the cylinder 11 from the shell 1, and finally take out the cylinder 11 from the opening 4. The steps are exactly the opposite when installing. The replacement steps are relatively cumbersome, and since the cylinder 11 is frequently subjected to impact force, it is very easy to be damaged, which further increases the later maintenance cost of the loosening and flow-aiding device. For this purpose, the present application provides a second opening 15 for taking out the cylinder 11 on at least one of the front side, rear side, left side and right side of the shell 1. The size of the second opening 15 is not less than the outer contour of the cylinder 11, so that the cylinder 11 can be taken out through the second opening 15. The second opening 15 is covered with a side cover plate 16, and the side cover plate 16 is detachably connected to the second opening 15. When the cylinder 11 needs to be removed, it is only necessary to open the side cover plate 16, remove the air pipe connected to the cylinder 11, loosen the second nut 14, take out the second bolt 13, and separate the cylinder 11 from the shell 1, so that the cylinder 11 can be taken out without removing the loosening and flow-aiding device from the silo, and without removing the hammer plate 2 and the connecting plate 5, which greatly saves the time for replacing the cylinder 11, improves the replacement efficiency, and reduces the maintenance cost of the loosening and flow-aiding device in the later stage.

[0044] The connection between the side cover plate 16 and the side with the second opening 15 can be screwed, clamped, etc. As a preferred embodiment of the present application, the side cover plate 16 and the side with the second opening 15 are connected by a threaded connector. In order to further improve the structural strength of the end seal of the shell 1, the present application welds a U-shaped reinforcing plate 17 at the end seal of the shell 1, and the two wing plates of the U-shaped reinforcing plate 17 are located on two side surfaces of the shell 1, and the second opening 15 is set on one of the side surfaces where the U-shaped reinforcing plate 17 is not set.

[0045] A second compression spring 18 is sleeved on the second bolt 13 near the second nut 14, one end of the second compression spring 18 abuts against the inner wall of the cavity 3, and the other end of the second compression spring 18 abuts against the second bolt 13 or the lug 12 to buffer the impact force transmitted to the second bolt 13 and prevent the second nut 14 from loosening.

[0046] Furthermore, a cotter pin 19 is provided at one end of the first nut 8 away from the connecting plate 5 and at one end of the second nut 14 away from the cavity 3. The length of the cotter pin 19 is greater than the maximum value of the diameter of the first nut 8 and the diameter of the second nut 14 to prevent the first nut 8 and / or the second nut 14 from falling off, thereby improving the working reliability of the loosening and flow-aiding device.

[0047] It should be noted that, for those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A loosening and flow-aiding device, characterized in that: The invention comprises a shell, a telescopic component and a hammer plate, wherein a cavity is provided inside the shell, the telescopic component is located in the cavity, an opening communicating with the cavity is provided at one end of the shell, the telescopic component has a telescopic rod and a mounting seat, the contour of the opening is smaller than the outer contour of the mounting seat, and is not smaller than the outer contour of the telescopic rod, so that the telescopic rod can extend or retract into the cavity; The hammer head plate is installed at the opening, and the end face of the hammer head plate away from the opening has a curved surface with a curvature radius that matches the outer wall of the blanking coal hopper. A first guide rod is provided on the hammer head plate, and the first guide rod is fixedly connected to the hammer head plate. A connecting plate fixedly connected to the shell is provided at the opening, and the first guide rod passes through the connecting plate and is slidably connected to the connecting plate. An anti-slip component is provided at the end of the first guide rod away from the hammer head plate to prevent the first guide rod from falling off. A first spring is provided in the area of ​​the first guide rod between the connecting plate and the anti-slip component. Driven by the telescopic rod and the first spring, the hammer head plate can perform reciprocating back and forth motion to hammer the outer wall of the blanking coal hopper.

2. The flow-relaxing device according to claim 1, characterized in that: The first guide rod is a first bolt, and the anti-drop component is a first nut sleeved on the first bolt.

3. The flow-relaxing device according to claim 2, characterized in that: The end surface of the hammer plate facing the connecting plate is completely in contact with the connecting plate to reduce the pressure acting on the connecting plate.

4. The flow-releasing device according to any one of claims 1 to 3, characterized in that: The telescopic component is a cylinder, and one end of the cylinder away from the opening is fixedly connected to the inner wall of the cavity so as to fix the cylinder on the shell.

5. The flow-relaxing device according to claim 4, characterized in that: A lug is provided at the tail of the cylinder, and through holes for the second bolt to pass through are provided on two opposite side surfaces of the shell and the lug. The second bolt passes through the through hole, and one end of the second bolt passes through the shell and is connected with a second nut to fix the cylinder on the shell.

6. The flow-relaxing device according to claim 5, characterized in that: The shell has only one opening, and a second opening for taking out the cylinder is provided on at least one of the front side, rear side, left side and right side of the shell. The size of the second opening is not smaller than the outer contour of the cylinder so that the cylinder can be taken out through the second opening. The second opening is covered with a side cover plate, and the side cover plate is detachably connected to the second opening.

7. The flow-relaxing device according to claim 6, characterized in that: The side cover plate is connected to the side surface provided with the second opening through a threaded connector.

8. The flow-releasing device according to any one of claims 5 to 7, characterized in that: A second compression spring is sleeved on the second bolt near the second nut, one end of the second compression spring abuts against the inner wall of the cavity, and the other end of the second compression spring abuts against the second bolt or the lug to buffer the impact force transmitted to the second bolt and prevent the second nut from loosening.

9. The flow-relaxing device according to claim 5, characterized in that: A cotter pin is provided at one end of the first nut away from the connecting plate and at one end of the second nut away from the cavity. The length of the cotter pin is greater than the maximum value of the diameter of the first nut and the diameter of the second nut to prevent the first nut and / or the second nut from falling off.

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