Fixing device for preventing coal leakage during coal return of bucket elevator return pipe of coal sampler device

By designing a fixing device for the square frame, anti-fouling plate, and coal leakage baffle, the problem of coal slag splashing in the return pipe was solved, and the accurate return of coal and safe and environmentally friendly treatment were achieved.

CN223659185UActive Publication Date: 2025-12-12JIANGXI HYDROPOWER ENG BUREAU
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Patent Information

Application Number
CN202520227421.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2025-12-12
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

Traditional return pipe designs lack effective measures to prevent coal leakage, leading to coal slag splashing, resulting in resource waste, environmental pollution, and safety threats.

Method used

A fixing device was designed, which includes a square frame, a dirt-proof plate, a return pipe, a coal leakage baffle, and a rubber baffle. Through the cooperation of the dirt-proof plate and the coal leakage baffle, coal slag is blocked from splashing, ensuring that the coal falls back accurately onto the conveyor belt.

Benefits of technology

It effectively prevents coal slag from splashing, improves coal processing efficiency, reduces resource waste and environmental pollution, and enhances work safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fixing device for preventing coal leakage during coal return of a bucket elevator return pipe of a coal sampler device, and aims to solve the problem of coal cinder splashing during coal falling of a return pipe in the prior art. The fixing device comprises a square frame, an antifouling plate, a material return pipe and a coal leakage baffle. The square frame is fixed to a conveyor rack, the antifouling plate is arranged at the upper end of the square frame and provided with a discharging opening, the material return pipe penetrates through the discharging opening of the antifouling plate and extends to the position above a conveyor belt, and the coal leakage baffles are arranged below the antifouling plate, located on the two sides of the discharging opening and parallel to the conveying direction of the conveyor belt. And through cooperation of the antifouling plate and the coal leakage baffle, coal slag splashing is effectively stopped, and it is ensured that coal accurately falls back to the conveying belt. The device is simple in structure, convenient to install and capable of effectively preventing coal cinder from splashing, protecting environmental resources, improving work safety and reducing maintenance difficulty.
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Description

TECHNICAL FIELD

[0001] The utility model relates to equipment installation engineering technical field especially relates to a coal sampling machine device hopper hoist back material pipe back coal's fixed device of preventing coal leakage. BACKGROUND

[0002] In the coal handling and conveying system, the coal sampling machine device is an important link to ensure the quality monitoring of coal. After the sampling machine completes the detection of the coal sample, the sample coal usually needs to be returned to the conveying belt through the back material pipe of the hopper hoist for subsequent processing or mixing. However, in the actual operation process, the coal dregs falling from the back material pipe often splash due to the drop and speed, which not only causes waste of coal resources, but also pollutes the working environment, increases the cleaning difficulty, and even threatens the safety of the operator.

[0003] The traditional back material pipe design often ignores this detail, lacks effective coal leakage prevention measures, and causes coal dregs splashing to become a common and thorny problem in the coal handling process. Therefore, there is an urgent need for a fixed device that can effectively prevent coal dregs splashing to improve the efficiency of coal handling and protect the cleanliness of the working environment and the safety of the operator. SUMMARY

[0004] The utility model aims at providing a coal sampling machine device hopper hoist back material pipe back coal's fixed device of preventing coal leakage, which solves the technical problem of lack of effective coal leakage prevention measures in traditional back material pipes, leading to coal dregs splashing.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing a coal sampling machine device hopper hoist back material pipe back coal's fixed device of preventing coal leakage, which includes:

[0006] A square frame is fixed to the rack of the conveyor;

[0007] A dirt prevention plate is provided on the upper end of the square frame, and a discharge opening is formed in the dirt prevention plate;

[0008] A back material pipe passes through the discharge opening of the dirt prevention plate and extends downward above the conveying belt of the conveyor;

[0009] A coal leakage baffle is provided below the dirt prevention plate, and the coal leakage baffle is located on both sides of the discharge opening, and the coal leakage baffle is parallel to the conveying direction of the conveying belt.

[0010] In one embodiment, the size of the discharge opening is consistent with the size of the outer edge of the back material pipe.

[0011] In one embodiment, a rubber baffle is further included, which is installed outside the coal leakage baffle, and the lower end of the rubber baffle is closer to the conveying belt than the lower end of the coal leakage baffle.

[0012] In one embodiment, a rib plate is further included, which is fixed between the dirt prevention plate and the coal leakage baffle.

[0013] In one embodiment, a support rod is further included, one end of which is connected with the square frame, and the other end of which is connected with the return pipe, and the support rod forms a triangular structure with the square frame and the return pipe.

[0014] In one embodiment, a purlin and a rubber curtain are further included, the purlin is fixed on both sides of the square frame in the conveying direction of the conveying belt, and the rubber curtain is fixed on the purlin.

[0015] In one embodiment, a fixing foot is further included, which is fixed at the bottom of the supporting leg of the square frame, and a plurality of mounting holes are formed in the fixing foot.

[0016] The one or more technical solutions in the above embodiments of the present application have at least the following technical effects or advantages:

[0017] The coal leakage prevention fixing device for the return pipe of the coal sampling machine device bucket elevator when returning coal provided in the embodiments of the present application can effectively prevent the coal cinder from splashing from the return pipe, avoid the coal cinder from splashing from both sides of the conveying belt, make the coal more accurately and cleanly fall back to the conveying belt, and greatly improve the efficiency and accuracy of coal treatment. The use of the coal leakage prevention device reduces the waste of coal, avoids the environmental pollution caused by the splashing of coal cinder, is beneficial to the conservation of resources and the protection of the environment. At the same time, the potential threat of the splashing of coal cinder to the surrounding operators is reduced, and the safety of the work site is improved, thereby providing a safer and healthier working environment for the operators.

[0018] In summary, the coal leakage prevention fixing device solves the problem of splashing of coal cinder when the return pipe of the coal sampling machine device bucket elevator returns coal, improves the efficiency of coal treatment, protects the environment and resources, and improves the work safety. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Fig. 1 A structure schematic diagram under one visual angle of the fixed device for preventing coal leakage when the coal sampling machine device hopper elevator return pipe returns coal is provided in the embodiment of the utility model;

[0021] Fig. 2 Another structure schematic diagram under another visual angle of the fixed device for preventing coal leakage when the coal sampling machine device hopper elevator return pipe returns coal is provided in the embodiment of the utility model.

[0022] Among them, various signs are as follows:

[0023] 1, square frame; 2, discharge hole; 3, coal leakage baffle; 4, rubber baffle; 5, rib plate; 6, purline; 7, support rod; 8, return pipe; 9, anti-pollution plate; 10, fixed foot. DETAILED DESCRIPTION

[0024] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as a limitation on the utility model.

[0025] In the description of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0026] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0027] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated; can be mechanical connection, also can be electrical connection; can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication or two element mutual action relation. For ordinary skilled person in the art, can understand the specific meaning of above terms in the utility model according to specific circumstances.

[0028] Please refer to Figs. 1-2 The embodiment of the application provides a fixed device for preventing coal leakage when the coal sampling machine device hopper elevator return pipe 8 returns coal, which comprises a square frame 1, a dirt prevention plate 9, a return pipe 8 and a coal leakage baffle 3. The square frame 1 is fixed on the rack of the conveyor; the dirt prevention plate 9 is arranged at the upper end of the square frame 1, and a discharge port 2 is formed in the dirt prevention plate 9; the return pipe 8 passes through the discharge port 2 of the dirt prevention plate 9 and extends downward above the conveyor belt of the conveyor; the coal leakage baffle 3 is arranged below the dirt prevention plate 9 and located on both sides of the discharge port 2, and the coal leakage baffle 3 is parallel to the conveying direction of the conveyor belt.

[0029] Specifically, the discharge port 2 and the return pipe 8 can be fixed by welding or bolt connection. The square frame 1 can be made of high-strength and corrosion-resistant metal material, such as stainless steel or aluminum alloy, to ensure the stability during long-term use. In addition, the dirt prevention plate 9 can also be designed as a detachable structure for easy cleaning and maintenance.

[0030] The embodiment provides a fixed device for preventing coal leakage when the coal sampling machine device hopper elevator return pipe 8 returns coal, which aims to solve the problem of coal slag splashing when the return pipe 8 falls. The fixed device comprises a square frame 1, a dirt prevention plate 9, a return pipe 8 and a coal leakage baffle 3. The square frame 1 is fixed on the rack of the conveyor, the dirt prevention plate 9 is arranged at the upper end of the square frame 1 and has a discharge port 2, the return pipe 8 passes through the discharge port 2 of the dirt prevention plate 9 and extends above the conveyor belt of the conveyor, and the coal leakage baffle 3 is arranged below the dirt prevention plate 9 and located on both sides of the discharge port 2, and is parallel to the conveying direction of the conveyor belt. Through the cooperation of the dirt prevention plate 9 and the coal leakage baffle 3, the coal slag splashing is effectively blocked, and the coal is accurately returned to the conveyor belt. The utility model has the advantages of simple structure, convenient installation and effective prevention of coal slag splashing,

[0031] In one embodiment, the size of the discharge port 2 is consistent with the size of the outer edge of the return pipe 8. This design ensures the close fit between the return pipe 8 and the dirt prevention plate 9, reducing the possibility of coal slag leaking from the edge of the discharge port 2. At the same time, it also makes the whole device more neat and beautiful, improves the integrity and stability of the device. In addition, the size of the discharge port 2 can be customized according to different specifications of the return pipe 8 to meet the use requirements in different scenes. This flexibility makes the utility model widely applicable to various coal handling systems.

[0032] In one embodiment, a rubber baffle 4 is further included, which is installed outside the coal leakage baffle 3, and the lower end of the rubber baffle 4 is closer to the conveyor belt than the lower end of the coal leakage baffle 3. Due to the elasticity of its material, the rubber baffle 4 can better adapt to the fluctuations and vibrations of the conveyor belt, reducing damage to the conveyor belt caused by contact. At the same time, the design of the rubber baffle 4 closer to the conveyor belt further improves the anti-splashing effect, ensuring that the coal residue can accurately and cleanly fall back onto the conveyor belt. The shape and size of the rubber baffle 4 can be adjusted according to actual needs to achieve the best anti-splashing effect.

[0033] In one embodiment, a rib plate 5 is further included, which is fixed between the anti-pollution plate 9 and the coal leakage baffle 3. The addition of the rib plate 5 enhances the stability of the coal leakage baffle 3, enabling it to better withstand the impact and vibration of the coal residue. At the same time, the rib plate 5 also plays a role in reinforcing the entire device, improving the overall strength and durability of the device. The shape, size, and material of the rib plate 5 can be selected and designed according to actual needs to achieve the best reinforcement effect. Specifically, as shown in Figs. 1-2 the rib plate 5 can be a right-angled triangular rib plate 5, and the two right-angled sides of the right-angled triangular rib plate 5 can be fixed on the anti-pollution plate 9 and the coal leakage baffle 3 respectively using methods such as welding or bolt connection.

[0034] In one embodiment, a support rod 7 is further included, one end of which is connected to the square frame 1, and the other end of which is connected to the material return pipe 8, forming a triangular structure between the support rod 7, the square frame 1, and the material return pipe 8. The triangular structure is a very stable structure form that can effectively resist external forces and vibrations. The addition of the support rod 7 enhances the stability of the material return pipe 8, enabling it to be more firmly fixed to the square frame 1, reducing damage caused by vibrations and impacts.

[0035] In addition, the number, position, and angle of the support rod 7 can be adjusted and optimized according to actual needs to achieve the best support effect. In addition, the material of the support rod 7 can also be selected to have high strength and corrosion resistance to ensure the reliability of long-term use.

[0036] In one embodiment, a purlin 6 and a rubber curtain are further included, the purlin 6 is fixed on both sides of the square frame 1 in the running direction of the conveyor belt, and the rubber curtain is fixed on the purlin 6. The rubber curtain can effectively block the coal dust from flying out of the belt conveyor, reducing environmental pollution and waste of coal resources. At the same time, the rubber curtain also plays a certain sound insulation role, reducing the noise generated during equipment operation.

[0037] The selection and installation of the rubber curtain can consider its sealing property, wear resistance and aging resistance to ensure the reliability of long-term use. In addition, the length and width of the rubber curtain can also be adjusted according to actual needs to achieve the best blocking effect.

[0038] In one embodiment, a fixing foot 10 is further included, which is fixed to the bottom of the supporting leg of the square frame 1, and a plurality of mounting holes are formed on the fixing foot 10. The addition of the fixing foot 10 improves the stability of the installation of the square frame 1, so that it can be more firmly fixed on the rack of the conveyor. The design of the mounting holes facilitates the installation and disassembly of the fixing foot 10, and improves the flexibility and maintainability of the device.

[0039] In one embodiment, a fixing foot 10 is further included, which is fixed to the bottom of the supporting leg of the square frame 1, and a plurality of mounting holes are formed on the fixing foot 10. The addition of the fixing foot 10 improves the stability of the installation of the square frame 1, so that it can be more firmly fixed on the rack of the conveyor. The design of the mounting holes facilitates the installation and disassembly of the fixing foot 10, and improves the flexibility and maintainability of the device. Fig. 2 As shown in the figure, the fixing foot 10 in the embodiment is in a square sheet structure, and a plurality of mounting holes are uniformly distributed on both sides thereof.

[0040] The above is only a preferred embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0041] In one embodiment, a fixing foot 10 is further included, which is fixed to the bottom of the supporting leg of the square frame 1, and a plurality of mounting holes are formed on the fixing foot 10. The addition of the fixing foot 10 improves the stability of the installation of the square frame 1, so that it can be more firmly fixed on the rack of the conveyor. The design of the mounting holes facilitates the installation and disassembly of the fixing foot 10, and improves the flexibility and maintainability of the device.

[0042] In one embodiment, a fixing foot 10 is further included, which is fixed to the bottom of the supporting leg of the square frame 1, and a plurality of mounting holes are formed on the fixing foot 10. The addition of the fixing foot 10 improves the stability of the installation of the square frame 1, so that it can be more firmly fixed on the rack of the conveyor. The design of the mounting holes facilitates the installation and disassembly of the fixing foot 10, and improves the flexibility and maintainability of the device. Fig. 2 As shown in the figure, the fixing foot 10 in the embodiment is in a square sheet structure, and a plurality of mounting holes are uniformly distributed on both sides thereof.

[0043] The above is only a preferred embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fixing device for preventing coal leakage during coal return from the return pipe of a bucket elevator in a coal sampling machine, characterized in that, The coal sampling machine device includes a coal leakage prevention fixing device for the return pipe of the bucket elevator. A square frame, which is fixed to the frame of the conveyor; A dirt-proof plate is provided on the upper end of the square frame, and a discharge port is provided on the dirt-proof plate; A return pipe passes through the discharge port of the anti-fouling plate and extends downward to above the conveyor belt of the conveyor. A coal leakage baffle is provided below the anti-fouling plate and is located on both sides of the discharge port. The coal leakage baffle is parallel to the conveying direction of the conveyor belt.

2. The fixing device for preventing coal leakage during coal return in the bucket elevator return pipe of the coal sampling machine according to claim 1, characterized in that: The size of the discharge port is the same as the outer edge size of the return pipe.

3. The fixing device for preventing coal leakage during coal return from the bucket elevator return pipe of the coal sampling machine according to claim 1, characterized in that: It also includes a rubber baffle, which is installed on the outside of the coal leakage baffle, and the lower end of the rubber baffle is closer to the conveyor belt than the lower end of the coal leakage baffle.

4. The fixing device for preventing coal leakage during coal return in the bucket elevator return pipe of the coal sampling machine according to claim 1, characterized in that: It also includes a reinforcing plate, which is fixed between the anti-fouling plate and the coal leakage baffle.

5. The fixing device for preventing coal leakage during coal return from the bucket elevator return pipe of the coal sampling machine according to claim 1, characterized in that: It also includes a support rod, one end of which is connected to the square frame and the other end of which is connected to the return pipe. The support rod, the square frame, and the return pipe form a triangular structure.

6. The fixing device for preventing coal leakage during coal return from the bucket elevator return pipe of the coal sampling machine according to claim 1, characterized in that: It also includes purlins and rubber curtains, wherein the purlins are fixed on both sides of the square frame in the direction of conveyor belt operation, and the rubber curtains are fixed on the purlins.

7. The fixing device for preventing coal leakage during coal return from the bucket elevator return pipe of the coal sampling machine according to claim 1, characterized in that: It also includes a fixing foot, which is fixed to the bottom of the support leg of the square frame, and the fixing foot has several mounting holes.