Wear-resistant structure of scraper

Abstract

The utility model relates to the technical field of wear-resistant structures of scrapers, in particular to a wear-resistant structure of a scraper, which comprises a groove frame, a wear-resistant structure is arranged at the upper end of the groove frame, a mounting structure is arranged in the groove frame, the wear-resistant structure comprises a mounting plate, the mounting plate is mounted in the groove frame, a bottom plate is arranged on the mounting plate, and the bottom plate is connected with the groove frame. And balls are rotationally arranged on the surface of the bottom plate. According to the abrasion-resistant structure of the scraper, sliding friction of the bottom plate can be changed into rolling friction, friction loss can be effectively reduced, the abrasion-resistant structure of the scraper does not need to be installed through screws any more, operation is easy and convenient, the practicability of the device is improved, and the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of wear-resistant structures of scraper machines, in particular to a wear-resistant structure of a scraper machine. Background Art

[0002] The scraper is a transport machine used in coal mining working faces. It is mainly used for coal mining working faces and mining area chute transportation, and can also be used in coal tunnels and semi-coal rock tunnel excavation working faces. It can transport upwards or downwards, and the upward transportation is generally not more than 35 degrees. The downward transportation is generally not more than 25 degrees, and it is better to not exceed 20 degrees in practice. The frame of the scraper is usually made of steel frame and steel plate, with good strength and stability, and can support the weight of the entire device. There are usually tracks or guide plates in the frame to ensure the movement direction and trajectory of the scraper.

[0003] For example, a scraper wear-resistant structure of a Chinese utility patent authorized with announcement number CN213678499U includes a slot frame, the bottom of which is detachably provided with a bottom plate structure; the bottom plate structure includes a mounting plate, on which a wear-resistant plate is fixedly provided, and a receiving slot is provided on the slot frame to match the mounting plate, and the mounting plate is fixedly connected to the slot frame by screws. The utility model is provided with a novel bottom plate structure. When replacing the bottom plate structure, the wear-resistant plate can be fixed on the mounting plate in advance, and then the mounting plate can be fixed to the slot frame by screws, which greatly improves the replacement speed, greatly reduces the downtime for maintenance, and ensures the smoothness of the entire production rhythm.

[0004] During operation, existing scraper conveyors usually generate friction between the base plate and the chain. This friction is sliding friction, which causes the base plate to be more worn and often needs to be replaced, reducing the service life and the practicality of the device. Therefore, a scraper conveyor wear-resistant structure is urgently needed to solve the above problems. Summary of the invention

[0005] The purpose of the utility model is to provide a wear-resistant structure for a scraper to solve the problem in the above-mentioned background technology that during the operation of the existing scraper, friction usually occurs between the bottom plate and the chain, and this friction is sliding friction, which causes the bottom plate to be subjected to more wear and tear and often needs to be replaced, thus reducing the service life and reducing the practicability of the device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a scraper wear-resistant structure, comprising: a trough frame, an anti-wear structure is arranged on the upper end of the trough frame, a mounting structure is arranged inside the trough frame, the anti-wear structure comprises a mounting plate, the mounting plate is installed inside the trough frame, a bottom plate is arranged on the mounting plate, and balls are rotatably arranged on the surface of the bottom plate.

[0007] Preferably, the base plates are evenly arranged on the upper end of the mounting plate.

[0008] Preferably, the base plate is welded to the upper end of the mounting plate.

[0009] Preferably, the mounting structure includes a mounting groove, which is opened inside the mounting plate, and a mounting rod is inserted inside the mounting groove. The mounting rod can slide inside the groove frame, and a pull rod is fixedly connected to the upper end of the mounting rod. The end of the mounting rod away from the mounting groove is inserted inside the insertion cavity, and the insertion cavity is opened inside the groove frame.

[0010] Preferably, one end of the mounting rod away from the mounting groove is fixedly connected to a spring, and one end of the spring away from the mounting rod is fixedly connected to the inner wall of the insertion cavity.

[0011] Preferably, a sliding block is fixedly connected to the side wall of the mounting rod, and the sliding block is slidably arranged inside a sliding groove, and the sliding groove is opened inside the groove frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The wear-resistant structure of the scraper is provided with an anti-wear structure. When the wear-resistant structure of the scraper is used, the bottom plate is evenly welded to the upper end of the mounting plate so that it is arranged on the surface of the mounting plate, and then multiple sets of balls are arranged on the surface to rotate inside the bottom plate, so that the friction between the chain and the bottom plate is changed from sliding friction to rolling friction, which can greatly reduce wear and increase the service life of the bottom plate. Through this design, the wear-resistant structure of the scraper can change the sliding friction of the bottom plate into rolling friction, which can effectively reduce friction loss and improve the practicality and service life of the device.

[0014] 2. The scraper machine wear-resistant structure is provided with an installation structure. When the base plate needs to be replaced, the pull rod can be pulled to drive the installation rod to move in the direction away from the installation slot until the installation rod moves out of the installation slot. The installation plate can be taken out from the slot frame as a whole to replace the convenient base plate. When installing the installation plate, the pull rod can be pulled to drive the installation rod to move in the direction away from the installation slot, and then the installation plate is placed in the groove opened in the slot frame. At this time, the spring is in a compressed and force-storing state. The pull rod is released, and the installation rod is automatically driven into the installation slot by the elastic force of the spring. Through this design, the scraper machine wear-resistant structure no longer needs to be installed by screws, the operation is simple and convenient, and the practicality and convenience of the device are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of a front cross-section of the structure of the utility model;

[0016] Figure 2 It is a schematic top view of the structure of the utility model;

[0017] Figure 3 It is a top view cross-sectional schematic diagram of a local structure of the utility model;

[0018] Figure 4 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 5 For this utility model Figure 3 Enlarged schematic diagram of the structure at point B in the middle.

[0020] In the figure: 111, slot frame; 2, anti-wear structure; 211, mounting plate; 212, bottom plate; 213, ball bearing; 3, mounting structure; 311, mounting slot; 312, mounting rod; 313, pull rod; 314, insertion cavity; 315, spring; 316, slider; 317, slide groove. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5 , an embodiment provided by the utility model:

[0023] A wear-resistant structure of a scraper, comprising: a trough frame 111, an anti-wear structure 2 is arranged on the upper end of the trough frame 111, a mounting structure 3 is arranged inside the trough frame 111, the anti-wear structure 2 comprises a mounting plate 211, the mounting plate 211 is installed inside the trough frame 111, a bottom plate 212 is arranged on the mounting plate 211, and balls 213 are rotatably arranged on the surface of the bottom plate 212. Through this design, when the wear-resistant structure of the scraper is used, the bottom plate 212 is evenly welded to the upper end of the mounting plate 211 so that it is arranged on the surface of the mounting plate 211, and then a plurality of groups of balls 213 are rotatably arranged inside the surface, and the friction between the chain and the bottom plate 212 is changed from sliding friction to rolling friction, which can greatly reduce wear and increase the service life of the bottom plate 212.

[0024] Furthermore, the bottom plates 212 are evenly arranged on the upper end of the mounting plate 211 .

[0025] Furthermore, the bottom plate 212 is welded to the upper end of the mounting plate 211 .

[0026] Furthermore, the mounting structure 3 includes a mounting groove 311, which is provided inside the mounting plate 211, and a mounting rod 312 is inserted inside the mounting groove 311. The mounting rod 312 can slide inside the slot frame 111, and a pull rod 313 is fixedly connected to the upper end of the mounting rod 312. The end of the mounting rod 312 away from the mounting groove 311 is inserted inside the insertion cavity 314, and the insertion cavity 314 is provided inside the slot frame 111. Through this design, when the wear-resistant structure of the scraper machine is used, when the base plate 212 needs to be replaced, the pull rod 313 can be pulled to drive the mounting rod 312 to move in a direction away from the mounting groove 311 until the mounting rod 312 moves out of the mounting groove 311, and the mounting plate 211 can be taken out from the inside of the slot frame 111 as a whole, and the base plate 212 can be replaced conveniently.

[0027] Furthermore, one end of the mounting rod 312 away from the mounting groove 311 is fixedly connected with a spring 315, and one end of the spring 315 away from the mounting rod 312 is fixedly connected to the inner wall of the insertion cavity 314. Through this design, when installing the mounting plate 211, the pull rod 313 can be pulled to drive the mounting rod 312 to move in a direction away from the mounting groove 311, and then the mounting plate 211 is placed into the groove opened inside the slot frame 111. At this time, the spring 315 is in a compressed and force-accumulating state. The pull rod 313 is released, and the elastic force of the spring 315 is used to automatically drive the mounting rod 312 into the mounting groove 311.

[0028] Furthermore, a slider 316 is fixedly connected to the side wall of the mounting rod 312, and the slider 316 is slidably arranged inside a slide groove 317, and the slide groove 317 is opened inside the slot frame 111. Through this design, when the mounting rod 312 moves, the slider 316 slides synchronously inside the slide groove 317, thereby achieving a limiting effect on the mounting rod 312 and making its sliding more stable.

[0029] Working principle:

[0030] When using the scraper wear-resistant structure, the bottom plate 212 is evenly welded to the upper end of the mounting plate 211 so that it is arranged on the surface of the mounting plate 211, and then multiple sets of balls 213 are rotatably arranged inside the surface to change the friction between the chain and the bottom plate 212 from sliding friction to rolling friction, which can greatly reduce wear and tear and increase the service life of the bottom plate 212.

[0031] When the base plate 212 needs to be replaced, the pull rod 313 can be pulled to drive the installation rod 312 to move in the direction away from the installation slot 311 until the installation rod 312 moves out of the installation slot 311, and the installation plate 211 can be taken out from the inside of the slot frame 111 as a whole, and the convenient base plate 212 can be replaced. When installing the installation plate 211, the pull rod 313 can be pulled to drive the installation rod 312 to move in the direction away from the installation slot 311, and then the installation plate 211 is placed in the groove opened in the slot frame 111. At this time, the spring 315 is in a compressed and stored state. Release the pull rod 313, and use the elastic force of the spring 315 to automatically drive the installation rod 312 into the installation slot 311, and the operation is completed.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A scraper wear-resistant structure, comprising: A slot frame (111), characterized in that an anti-wear structure (2) is provided at the upper end of the slot frame (111), a mounting structure (3) is provided inside the slot frame (111), the anti-wear structure (2) comprises a mounting plate (211), the mounting plate (211) is mounted inside the slot frame (111), a bottom plate (212) is provided on the mounting plate (211), and a ball bearing (213) is rotatably provided on the surface of the bottom plate (212).

2. The wear-resistant structure of a scraper according to claim 1, characterized in that: The bottom plates (212) are evenly arranged on the upper end of the mounting plate (211).

3. The wear-resistant structure of a scraper according to claim 1, characterized in that: The bottom plate (212) is welded to the upper end of the mounting plate (211).

4. The wear-resistant structure of a scraper according to claim 1, characterized in that: The mounting structure (3) comprises a mounting groove (311), wherein the mounting groove (311) is arranged inside the mounting plate (211), a mounting rod (312) is inserted inside the mounting groove (311), the mounting rod (312) can slide inside the groove frame (111), a pull rod (313) is fixedly connected to the upper end of the mounting rod (312), and one end of the mounting rod (312) away from the mounting groove (311) is inserted inside an insertion cavity (314), and the insertion cavity (314) is arranged inside the groove frame (111).

5. The wear-resistant structure of a scraper according to claim 4, characterized in that: One end of the mounting rod (312) away from the mounting groove (311) is fixedly connected to a spring (315), and one end of the spring (315) away from the mounting rod (312) is fixedly connected to the inner wall of the insertion cavity (314).

6. The wear-resistant structure of a scraper according to claim 4, characterized in that: A sliding block (316) is fixedly connected to the side wall of the mounting rod (312), and the sliding block (316) is slidably arranged inside a sliding groove (317), and the sliding groove (317) is opened inside the groove frame (111).

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