Scraper forge piece for coal mine conveying equipment
By designing a scraper forging for coal mine conveying equipment with cast iron integrated die-casting, the existing scraper weight and complex structure are solved, and lower cost, more efficient material push and more stable installation are achieved.
Patent Information
- Application Number
- CN202421268372.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-06-05
AI Technical Summary
The scraper weight of existing coal mine conveyor belts is too large, resulting in a reduced life of the scraper, and the structure is complex, making it more cumbersome to install and use.
Design a scraper forging for coal mine conveying equipment. The scraper body is formed by cast iron integrated die casting. The outer side surface is equipped with inclined arc-shaped stop surfaces and arc-shaped guide surfaces, and the middle is set with a recessed structure and bumps, and bumps. A card slot is set on the outside for stable installation and use.
The production cost is reduced through integrated die-casting manufacturing method, the design of the retaining surface and the guiding surface improves the pushing capacity of the scraper and material stacking protection, and the design of the bumps and slots improves the installation stability and service life of the scraper.
Smart Images

Figure CN222475240U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coal mine equipment, in particular to a scraper forging for coal mine conveying equipment. Background Art
[0002] Belt conveyors for coal mines have the characteristics of large transportation volume, complex working environment, strong carrying capacity, and long transportation distance. They are widely used in major coal-producing areas in my country, such as Shanxi, Inner Mongolia, Xinjiang, Shandong, etc. Belt conveyors for coal mines can be used not only in the production and processing of coal, but also in the production and processing of other minerals. In terms of energy consumption, they can effectively reduce energy consumption and provide economic benefits. Compared with automobile transportation, they can save energy and protect the environment. The existing coal mine conveyor belt scrapers are too heavy, resulting in a reduced scraper life.
[0003] For example, the new composite scraper for coal mines with the publication number CN220617160U includes an upper scraper, the uppermost part of which is provided with a sealing cover, the sealing cover is fixedly connected to the sealing platform, the sealing platform is provided with bolts inside, and the bolts are slidably connected to the through holes. In the utility model, lubricating oil is injected into the upper part of the bolts through the lubricating nozzle 2, thereby preventing the bolts and the through holes from rusting, facilitating the disassembly of the bolts and facilitating maintenance, and a roller is provided on the inner side of the mounting groove 2, and cooperates with the lubricating nozzle 1, thereby reducing the sliding resistance during transportation, and the lower part of the upper scraper is provided with a mounting groove 3 and a mounting groove 1, which cooperate with the mounting platform 3 and the mounting platform 1 respectively, thereby preventing the composite scraper from automatically breaking after metal fatigue, and the middle part of the upper scraper is provided with a lower clamping wall, and the upper part of the lower scraper is provided with an upper clamping wall, and the lower clamping wall and the upper clamping wall cooperate to clamp the iron chain, thereby making the clamping effect better and preventing the scraper from sliding and dislocating under full load.
[0004] The above technical solution has a complex structure in practical application, and is relatively cumbersome to install and use.
[0005] Therefore, it is necessary to invent a scraper forging for coal mine conveying equipment to solve the above problems. Utility Model Content
[0006] The utility model aims to provide a scraper forging for coal mine conveying equipment to solve the problems raised in the above background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a scraper forging for coal mine conveying equipment, comprising a scraper body, wherein both ends of the outer side surface of the scraper body are provided with a material blocking surface, and the material blocking surface is set to an inclined arc structure, the bottom end of the material blocking surface is provided with a material guiding surface, and the material guiding surface extends to the lower surface of the scraper body, and the material guiding surface is set to an arc structure, the middle part of the upper surface of the scraper body is set to a recessed structure, and two groups of protrusions are fixedly set inside the recessed structure, grooves are set on both sides of the protrusion, and the groove bottom is set to an arc structure, the middle part of the protrusion is set to a recessed structure, a card groove is set on the outer side of the protrusion, and the card groove is set to a "V"-shaped structure, a positioning groove is set between the two groups of protrusions, and transition surfaces of an inclined structure are set on both sides of the notch of the positioning groove.
[0008] Preferably, a plurality of mounting holes are provided through the upper surface of the scraper body, and the mounting holes are configured as round holes.
[0009] Preferably, an extension groove is provided at the bottom end of the mounting hole, and the extension groove is configured as a stepped structure.
[0010] Preferably, the scraper body is formed by integral die-casting of cast iron.
[0011] Preferably, the lower surface of the material guiding surface is higher than the lower surface of the scraper body.
[0012] Preferably, a plurality of reinforcing ribs are arranged in the recessed structure in the middle of the upper surface of the scraper body.
[0013] Technical effects and advantages of the utility model:
[0014] 1. The utility model provides a scraper body, which is formed by integral die-casting. The integral die-casting manufacturing method has a low production cost. By providing a material blocking surface at both ends of the outer wall of the scraper body, the inclined structure of the material blocking surface can ensure that the two ends of the scraper body push the coal and mineral materials. By providing a material guiding surface at the bottom end of the material blocking surface, the material guiding surface can prevent the coal and mineral materials from being squeezed by the scraper body due to excessive accumulation.
[0015] 2. The utility model provides a scraper body, a recessed portion is provided in the middle of the upper surface of the scraper body, and two groups of protrusions are provided inside the recessed portion. The two groups of protrusions can be clamped on the driving chain of the conveyor when the scraper body is installed, so as to facilitate the installation of the device. By providing a clamping groove on the outer side of the protrusion, the setting of the clamping groove can improve the stability of the clamping between the protrusion and the driving chain, thereby ensuring the stability of the scraper in use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0017] Figure 2 It is a bottom view schematic diagram of the overall structure of the utility model.
[0018] Figure 3 It is a schematic top view of the overall structure of the utility model.
[0019] In the figure: 1, scraper body; 2, material blocking surface; 3, material guiding surface; 4, protrusion; 5, groove; 6, slot; 7, positioning slot; 8, transition surface; 9, mounting hole; 10, extension slot. DETAILED DESCRIPTION
[0020] 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.
[0021] The utility model provides Figure 1-3 A scraper forging for coal mine conveying equipment shown in the figure comprises a scraper body 1, which is formed by one-piece die-casting of cast iron. The one-piece die-casting manufacturing method reduces the production cost while ensuring the quality of the scraper body 1;
[0022] Specifically, both ends of the outer side surface of the scraper body 1 are provided with a material blocking surface 2, and the material blocking surface 2 is set to an inclined arc structure, and the bottom end of the material blocking surface 2 is provided with a material guiding surface 3, and the material guiding surface 3 extends to the lower surface of the scraper body 1, and the material guiding surface 3 is set to an arc structure, and the lower surface of the material guiding surface 3 is higher than the lower surface of the scraper body 1. The setting of the material guiding surface 3 can prevent the scraper body 1 from being squeezed by excessive accumulation of coal and mineral materials;
[0023] More specifically, the middle part of the upper surface of the scraper body 1 is set as a concave structure, and two groups of protrusions 4 are fixedly set inside the concave structure, grooves 5 are set on both sides of the protrusion 4, and the groove bottom of the groove 5 is set as an arc structure, the middle part of the protrusion 4 is set as a concave structure, and a clamping groove 6 is set on the outer side of the protrusion 4, and the clamping groove 6 is set as a "V"-shaped structure. The setting of the clamping groove 6 can improve the stability of the connection between the protrusion 4 and the iron ring on the transmission chain of the scraper conveyor. A positioning groove 7 is set between the two groups of protrusions 4, and transition surfaces 8 of an inclined structure are set on both sides of the notch of the positioning groove 7. The positioning groove 7 is used to adapt to the positioning rod on the transmission chain of the scraper conveyor to play a role in auxiliary positioning;
[0024] In addition, a plurality of mounting holes 9 are provided through the upper surface of the scraper body 1, and the mounting holes 9 are provided as round holes, and an extension groove 10 is provided at the bottom end of the mounting hole 9, and the extension groove 10 is provided as a stepped structure, and mounting bolts can be provided inside the mounting hole 9 for expanding accessories of the scraper body 1, and the extension groove 10 is provided for hiding and accommodating the mounting bolts to ensure the flatness of the surface of the scraper body 1;
[0025] Moreover, a plurality of reinforcing ribs are arranged in the recessed structure in the middle of the upper surface of the scraper body 1 , and the arrangement of the reinforcing ribs can effectively ensure the structural strength of the scraper body 1 .
[0026] In summary, the utility model sets a scraper body 1, and the scraper body 1 is formed by one-piece die-casting, and the one-piece die-casting manufacturing method has a low production cost. By setting a material blocking surface 2 at both ends of the outer wall of the scraper body 1, the setting of the inclined structure of the material blocking surface 2 can ensure that the two ends of the scraper body 1 push the coal and mineral materials. By setting a material guiding surface 3 at the bottom end of the material blocking surface 2, the setting of the material guiding surface 3 can prevent the scraper body 1 from being squeezed by excessive accumulation of coal and mineral materials. A recessed portion is set in the middle of the upper surface of the scraper body 1, and two groups of protrusions 4 are set inside the recessed portion. The two groups of protrusions 4 can be clamped on the driving chain of the conveyor when the scraper body 1 is installed, so as to facilitate the installation of the device. By setting a clamping groove 6 on the outer side of the protrusion 4, the setting of the clamping groove 6 can improve the stability of the clamping between the protrusion 4 and the driving chain, thereby ensuring the stability of the scraper.
[0027] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. A scraper forging for coal mine conveying equipment, comprising a scraper body (1), characterized in that: The scraper body (1) is provided with a material blocking surface (2) at both ends of the outer side surface, and the material blocking surface (2) is set as an inclined arc structure. The bottom end of the material blocking surface (2) is provided with a material guiding surface (3), and the material guiding surface (3) extends to the lower surface of the scraper body (1), and the material guiding surface (3) is set as an arc structure. The middle part of the upper surface of the scraper body (1) is set as a concave structure, and two groups of protrusions (4) are fixedly set inside the concave structure. The protrusions (4) are provided with grooves (5) on both sides, and the groove bottom of the groove (5) is set as an arc structure. The middle part of the protrusion (4) is set as a concave structure. The protrusion (4) is provided with a clamping groove (6) on the outer side, and the clamping groove (6) is set as a "V"-shaped structure. A positioning groove (7) is provided between the two groups of protrusions (4), and transition surfaces (8) with an inclined structure are provided on both sides of the groove opening of the positioning groove (7).
2. The scraper forging for coal mine conveying equipment according to claim 1, characterized in that: A plurality of mounting holes (9) are provided through the upper surface of the scraper body (1), and the mounting holes (9) are configured as circular holes.
3. The scraper forging for coal mine conveying equipment according to claim 2, characterized in that: An extension groove (10) is provided at the bottom end of the mounting hole (9), and the extension groove (10) is configured as a stepped structure.
4. The scraper forging for coal mine conveying equipment according to claim 3, characterized in that: The scraper body (1) is formed by integral die-casting of cast iron.
5. The scraper forging for coal mine conveying equipment according to claim 4, characterized in that: The lower surface of the material guiding surface (3) is higher than the lower surface of the scraper body (1).
6. The scraper forging for coal mine conveying equipment according to claim 5, characterized in that: A plurality of reinforcing ribs are arranged in a recessed structure in the middle of the upper surface of the scraper body (1).
Citation Information
Patent Citations
Novel composite scraper for coal mine
CN220617160U