Coal leaking hopper for coal mine transportation

Abstract

The utility model provides a coal leaking hopper for coal mine transportation, and relates to the technical field of coal mine transportation, the coal leaking hopper comprises a support frame, an elastic connecting assembly is arranged on the support frame, a funnel is arranged on the elastic connecting assembly, a material guide piece movably sleeves the lower part of the funnel, and a buffer assembly is arranged between the material guide piece and the funnel; the buffering assembly comprises a buffering spring, a first limiting ring and a second limiting ring, the first limiting ring is fixedly arranged on the outer side of the lower portion of the funnel, the second limiting ring is fixedly arranged on the inner side of the upper portion of the material guide piece and located above the first limiting ring, and the buffering spring is located between the first limiting ring and the second limiting ring and arranged on the lower portion of the funnel in a sleeving mode. The buffering assembly is arranged between the funnel and the material guide piece, when a coal mine passes through the funnel and flows to the material guide piece, the falling speed and force of the coal mine are reduced, the coal mine falls onto a subsequent belt conveyor in a relatively stable state, impact on a conveying belt is reduced, abrasion to the surface of the conveying belt is relieved, and the conveying efficiency is improved. And the service life of the belt conveyor is prolonged.

Description

Technical Field

[0001] This application relates to the field of coal mine transportation technology, and more specifically, to a coal hopper for coal mine transportation. Background Technology

[0002] Currently, most coal mine main coal transport systems use belt conveyors because they offer advantages such as long transport distances, large transport capacity, low transport resistance, and stable operation. In coal mining production, to prevent large pieces of coal and gangue from entering the main transport system and causing safety accidents such as clogging coal bunker chutes and feeder chutes, crushers are required to break up large pieces of coal and gangue before they are transported by belt conveyors.

[0003] However, in the existing design, no buffer device is installed between the crusher and the belt conveyor. The coal crushed by the crusher falls directly onto the conveyor belt, which has a large impact on the conveyor belt, causing wear on the conveyor belt surface and seriously affecting the service life of the belt conveyor. Summary of the Invention

[0004] The purpose of this application is to provide a coal hopper for coal mine transportation, which can solve the technical problem in the existing design where there is no buffer device between the crusher and the belt conveyor, and the crushed coal falls directly onto the conveyor belt, resulting in a large impact force, causing surface wear and seriously affecting the service life of the belt conveyor.

[0005] This application provides a coal hopper for coal mine transportation, including a support frame, an elastic connecting component on the support frame, a hopper on the elastic connecting component, a material guide movably sleeved on the lower part of the hopper, and a buffer component between the material guide and the hopper.

[0006] The buffer assembly includes a buffer spring, a first limiting ring, and a second limiting ring. The first limiting ring is fixed to the lower outer side of the funnel, and the second limiting ring is fixed to the upper inner side of the material guide. The second limiting ring is located above the first limiting ring, and the buffer spring is located between the first limiting ring and the second limiting ring and is sleeved on the lower part of the funnel.

[0007] Furthermore, the funnel includes an upper receiving hopper and a lower feeding cylinder integrally formed with the upper receiving hopper, wherein the cross-section of the upper receiving hopper is a right trapezoid.

[0008] Furthermore, there are two elastic connection components, which are symmetrically arranged.

[0009] Furthermore, the elastic connection assembly includes a connecting ear, a connecting spring, a guide post, and an anti-detachment component. The connecting ear is fixed to the lower feed cylinder, the lower end of the guide post is fixed to the support frame, and the upper end of the guide post movably passes through the connecting ear. The connecting spring is sleeved on the guide post and located between the connecting ear and the support frame. The anti-detachment component is fixed to the upper end of the guide post, and under the action of the connecting spring, the top of the connecting ear abuts against the anti-detachment component.

[0010] Furthermore, the funnel is provided with a baffle assembly, which is arranged opposite to the inclined side of the upper receiving hopper.

[0011] Furthermore, the material blocking assembly includes a baffle, a first engaging member, and a second engaging member. The first engaging member is disposed on one side of the baffle, and the second engaging member is fixed to the inner wall of the upper receiving hopper. When the baffle is vertically inserted into the funnel, the first engaging member and the second engaging member engage.

[0012] Furthermore, a wear-resistant layer is provided on the side of the baffle away from the first engaging member.

[0013] The beneficial effects of this utility model are:

[0014] This utility model connects the funnel to the support frame through an elastic connecting component, which can buffer the impact force generated when coal falls from a height into the coal funnel, reduce the structural deformation, loosening or even damage of the support frame due to long-term impact, and extend the service life of the support frame.

[0015] The buffer assembly installed between the hopper and the material guide works in concert with the buffer spring, the first limiting ring, and the second limiting ring to reduce the speed and force of the falling coal as it flows from the hopper to the material guide. This allows the coal to fall onto the subsequent belt conveyor in a relatively stable state, reducing the impact on the conveyor belt, mitigating wear on the conveyor belt surface, and extending the service life of the belt conveyor. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 These are schematic diagrams of structures in some embodiments of this application;

[0018] Figure 2 for Figure 1Enlarged structural diagram at point A in the middle;

[0019] Figure 3 This is a top view of some embodiments of this application;

[0020] Figure 4 These are cross-sectional views of some embodiments of this application.

[0021] The reference numerals in the attached figures are as follows:

[0022] 1. Support frame; 2. Elastic connection assembly; 21. Connecting ear; 22. Connecting spring; 23. Guide post; 24. Anti-detachment component; 3. Funnel; 31. Upper receiving hopper; 32. Lower feeding cylinder; 4. Material guide; 5. Buffer assembly; 51. Buffer spring; 52. First limiting ring; 53. Second limiting ring; 6. Material blocking assembly; 61. Baffle; 62. First locking component; 63. Second locking component; 7. Wear-resistant layer. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0025] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0026] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0027] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0028] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances. Specific Implementation

[0029] like Figure 1-4 As shown, this application provides a coal hopper for coal mine transportation, including a support frame 1, an elastic connecting component 2 on the support frame 1, and a hopper 3 on the elastic connecting component 2. The hopper 3 is connected to the support frame 1 through the elastic connecting component 2, which can buffer the impact force generated when coal falls from a height into the hopper, reduce the structural deformation, loosening or even damage of the support frame 1 due to long-term impact, and extend the service life of the support frame 1. A material guide 4 is movably sleeved on the lower part of the hopper 3, and a buffer component 5 is provided between the material guide 4 and the hopper 3. The buffer component 5 includes a buffer spring 51, a first limiting ring 52 and a second limiting ring 53. A first limiting ring 52 is fixed to the lower outer side of the funnel 3, and a second limiting ring 53 is fixed to the upper inner side of the material guide 4. The second limiting ring 53 is located above the first limiting ring 52. A buffer spring 51 is located between the first limiting ring 52 and the second limiting ring 53 and is sleeved on the lower part of the funnel 3. When the coal flows through the funnel 3 to the material guide 4, the buffer spring 51, the first limiting ring 52 and the second limiting ring 53 work together to reduce the speed and force of the falling coal, so that the coal falls onto the subsequent belt conveyor in a relatively stable state, reducing the impact on the conveyor belt, reducing wear on the surface of the conveyor belt, and extending the service life of the belt conveyor.

[0030] like Figure 4 As shown, the funnel 3 includes an upper receiving hopper 31 and a lower feeding cylinder 32 integrally formed with the upper receiving hopper 31. The cross-section of the upper receiving hopper 31 is a right-angled trapezoid. Specifically, in this embodiment, the lower feeding cylinder 32 is a square cylinder, and the buffer spring 51 is a square spring. The hypotenuse of the right-angled trapezoid forms a natural inclined plane. When the coal falls from the crusher into the upper receiving hopper 31, it will slide downward under its own gravity and the guidance of the inclined plane.

[0031] like Figure 3 As shown, there are two elastic connection components 2, which are symmetrically arranged on the lower receiving cylinder. The two elastic connection components 2 work together to reduce the swinging or tilting of the funnel 3 when it is subjected to impact force, which helps to maintain the stability of the funnel 3.

[0032] like Figure 2 As shown, the elastic connection assembly 2 includes a connecting ear 21, a connecting spring 22, a guide post 23, and an anti-detachment component 24. The connecting ear 21 is fixed on the lower feed cylinder 32. The lower end of the guide post 23 is fixed on the support frame 1, and the upper end of the guide post 23 movably passes through the connecting ear 21. The connecting spring 22 is sleeved on the guide post 23 and located between the connecting ear 21 and the support frame 1. The anti-detachment component 24 is fixed on the upper end of the guide post 23. Under the action of the connecting spring 22, the top of the connecting ear 21 abuts against the anti-detachment component 24. When the coal falls from a height into the funnel 3, the impact force will cause the connecting ear 21 to press down. At this time, the connecting spring 22 is compressed, converting the impact energy into the elastic potential energy of the spring, thereby reducing the impact force transmitted to the support frame 1. The guide post 23 provides precise guidance for the up and down movement of the connecting ear 21. When the funnel 3 is subjected to impact force and moves up and down, the connecting ear 21 will move smoothly along the guide post 23, avoiding the connecting ear 21 from deviating or shaking during the movement.

[0033] like Figure 4 As shown, the funnel 3 is equipped with a baffle assembly 6, which is set opposite to the inclined side of the upper receiving hopper 31. During coal transportation, the coal enters from the upper receiving hopper 31. Since the upper receiving hopper 31 has a right-angled trapezoidal cross section and an inclined side, when the coal slides down along the inclined side, it will cause erosion on the opposite side of the lower discharge cylinder 32. Over time, this will lead to increased wear on that side and may even cause local damage. The baffle assembly 6 can reduce the wear and impact on this part and extend the service life of the funnel 3.

[0034] like Figure 4 As shown, the material blocking assembly 6 includes a baffle 61, a first engaging member 62, and a second engaging member 63. The first engaging member 62 is located on one side of the baffle 61, and the second engaging member 63 is fixed to the inner wall of the upper receiving hopper 31. When the baffle 61 is vertically inserted into the funnel 3, the first engaging member 62 and the second engaging member 63 engage, thus fixing the baffle 61. The installation method is simple and quick. When installing the material blocking assembly 6, simply insert the baffle 61 vertically into the funnel 3 so that the first engaging member 62 and the second engaging member 63 engage to complete the installation. When it is necessary to inspect, repair, or replace the material blocking assembly 6, pull up the baffle 61 to release the engagement of the first engaging member 62 and the second engaging member 63, and the baffle 61 can be easily removed from the funnel 3.

[0035] like Figure 4As shown, a wear-resistant layer 7 is provided on the side of the baffle 61 away from the first clamping member 62. During the transportation of coal in the mine, the coal will continuously rub and collide with the baffle 61. The wear-resistant layer 7 on the side of the baffle 61 away from the first clamping member 62 can effectively resist the scouring and wear of the coal. With the protection of the wear-resistant layer 7, the baffle 61 can maintain good integrity during long-term use, reducing the frequency of maintenance or replacement due to wear of the baffle 61, and reducing the maintenance cost and downtime of the equipment.

[0036] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A coal hopper for coal mine transportation, characterized in that: The device includes a support frame, on which an elastic connecting component is provided, and on which a funnel is provided. A material guide is movably fitted at the lower part of the funnel, and a buffer component is provided between the material guide and the funnel. The buffer assembly includes a buffer spring, a first limiting ring, and a second limiting ring. The first limiting ring is fixed to the lower outer side of the funnel, and the second limiting ring is fixed to the upper inner side of the material guide. The second limiting ring is located above the first limiting ring, and the buffer spring is located between the first limiting ring and the second limiting ring and is sleeved on the lower part of the funnel.

2. The coal hopper for coal transportation according to claim 1, characterized in that: The funnel includes an upper receiving hopper and a lower feeding cylinder integrally formed with the upper receiving hopper. The cross-section of the upper receiving hopper is a right trapezoid.

3. A coal hopper for coal mine transportation according to claim 2, characterized in that: Two elastic connection components are provided, and the two elastic connection components are arranged symmetrically.

4. A coal hopper for coal mine transportation according to claim 3, characterized in that: The elastic connection assembly includes a connecting ear, a connecting spring, a guide post, and an anti-detachment component. The connecting ear is fixed to the lower feed cylinder. The lower end of the guide post is fixed to the support frame, and the upper end of the guide post movably passes through the connecting ear. The connecting spring is sleeved on the guide post and located between the connecting ear and the support frame. The anti-detachment component is fixed to the upper end of the guide post. Under the action of the connecting spring, the top of the connecting ear abuts against the anti-detachment component.

5. A coal hopper for coal mine transportation according to claim 2, characterized in that: The funnel is equipped with a material-blocking component, which is positioned opposite to the inclined side of the upper receiving hopper.

6. A coal hopper for coal mine transportation according to claim 5, characterized in that: The material blocking assembly includes a baffle, a first engaging component, and a second engaging component. The first engaging component is disposed on one side of the baffle, and the second engaging component is fixed to the inner wall of the upper receiving hopper. When the baffle is vertically inserted into the hopper, the first engaging component and the second engaging component engage.

7. A coal hopper for coal mine transportation according to claim 6, characterized in that: The baffle is provided with a wear-resistant layer on the side away from the first engaging member.

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