Buffering and limiting device of scraper conveyor

Abstract

The utility model discloses a buffering and limiting device of a scraper conveyor, which relates to the technical field of scraper conveyors and comprises a base arranged at two ends of the scraper conveyor, an adjusting component is arranged on the base, and the adjusting component is connected with a springback component to change the horizontal distance of the springback component. And the springback assembly is connected with a limiting block which is in contact with a guide sliding shoe of the coal mining machine. The device can adapt to movement of the position of the guide sliding shoe to conduct adaptive adjustment, operation is easy, the buffering and limiting effect is good, and the application range of the device is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of scraper conveyors, in particular to a buffering and limiting device for scraper conveyors. Background Art

[0002] The scraper conveyor is not only a carrier for transporting coal and materials, but also a walking track for the coal mining machine. During the coal mining process, it is necessary to set limit devices on the left and right ends of the scraper conveyor to prevent the coal mining machine from derailing when it reaches the extreme position of the head and tail. At present, the mechanical limit devices used on the working face are rigid structural parts, and the guide shoes for coal mining machines are generally cast steel structures. During use, it is equivalent to steel parts contacting steel parts, and the rigid impact force is large. The guide shoe structure is relatively thin. Under the action of impact force, the guide shoe of the coal mining machine is easily damaged and needs to be replaced from time to time. The pin rail of the corresponding part of the scraper conveyor will also be damaged under the action of impact force, and the meshing tooth part of the guide shoe will be damaged. In this way, the guide shoe of the coal mining machine needs to be replaced regularly during use, and the replacement is relatively frequent.

[0003] For example, Chinese patent CN218324850U proposes a new type of coal mining machine limit device, which avoids the above-mentioned problems by setting a buffer structure; however, during the implementation of this structure, the position cannot be adjusted, and the contact position between the buffer structure and the guide shoe is always unified, resulting in that once the guide shoe moves and changes its position, the buffer structure cannot be in good contact with it and needs to be reinstalled, which makes the operation difficult. Utility Model Content

[0004] The purpose of the utility model is to solve the problems raised in the above background technology, and then propose a buffer limit device for a scraper conveyor.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A buffering and limiting device for a scraper conveyor comprises a base arranged at both ends of the scraper conveyor, an adjusting component is arranged on the base, the adjusting component is connected to a rebound component to change the horizontal distance of the rebound component, and the rebound component is connected to a limiting block for contacting the guide sliding shoe of the coal mining machine.

[0007] Furthermore, the adjustment assembly includes a fixed seat, an adjustment screw, a sliding rod, an adjustment seat and an adjustment handle; the fixed seat is arranged on the base, the fixed seat is threadedly connected with an adjustment screw and a sliding rod is slidably arranged, one end of the adjustment screw is rotatably connected to the adjustment seat arranged at the end of the sliding rod, the rebound assembly is arranged on the adjustment seat, and the other end of the adjustment screw is connected with the adjustment handle, by operating the adjustment handle, the adjustment seat is moved forward or backward, and finally the position of the rebound assembly is changed.

[0008] Furthermore, the rebound assembly includes a mounting seat, a guide rod, a limit seat and a spring; the mounting seat is arranged on the adjustment seat, a guide rod is horizontally slidable on the mounting seat, a limit seat is provided on the guide rod, the limit seat is located on one side of the mounting seat and the two are in contact, a spring is sleeved on the guide rod, and the spring is located between the mounting seat and the limit block.

[0009] Furthermore, a rubber pad for reducing impact is provided on the limit block.

[0010] Furthermore, the guide rod is a threaded rod, the limiting seat is a nut, and the limiting seat is threadedly connected to the guide rod to facilitate the disassembly and assembly of the two.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model arranges a base, an adjustment component, a rebound component and a limit block, so that the position of the limit block is adjustable, and can be adaptively adjusted to adapt to the movement of the guide sliding shoe position, thereby improving the buffering and limiting effect thereof. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the present utility model;

[0014] Figure 2 This is a schematic diagram of the installation of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of Embodiment 2 of the present utility model;

[0016] Among them: 1. base; 2. adjustment component; 21. fixed seat; 22. adjustment screw; 23. slide rod; 24. adjustment seat; 25. adjustment handle; 3. rebound component; 31. mounting seat; 32. guide rod; 33. limit seat; 34. spring; 4. limit block; 41. rubber pad. DETAILED DESCRIPTION

[0017] 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. The utility model is further described in combination with the drawings and embodiments:

[0018] Embodiment 1:

[0019] See attached Figure 1As shown, a buffer limit device for a scraper conveyor includes a base 1 arranged at both ends of the scraper conveyor, an adjustment component 2 is provided on the base 1, the adjustment component 2 is connected to a rebound component 3 to change the horizontal distance of the rebound component 3, and the rebound component 3 is connected to a limit block 4 for contacting the guide shoe of the coal mining machine.

[0020] In the above embodiment, specifically, the adjustment component 2 includes a fixed seat 21, an adjustment screw 22, a slide rod 23, an adjustment seat 24 and an adjustment handle 25; the fixed seat 21 is arranged on the base 1, and the adjustment screw 22 is threadedly connected to the fixed seat 21 and the slide rod 23 is slidably arranged. One end of the adjustment screw 22 is rotatably connected to the adjustment seat 24 arranged at the end of the slide rod 23, and the rebound component 3 is arranged on the adjustment seat 24, and the other end of the adjustment screw 22 is connected to the adjustment handle 25. By operating the adjustment handle 25, the adjustment seat 24 is moved forward or backward, and finally the position of the rebound component 3 is changed.

[0021] In the above embodiment, specifically, the rebound assembly 3 includes a mounting seat 31, a guide rod 32, a limit seat 33 and a spring 34; the mounting seat 31 is arranged on the adjustment seat 24, and a guide rod 32 is horizontally slid on the mounting seat 31, and a limit seat 33 is provided on the guide rod 32, the limit seat 33 is located on one side of the mounting seat 31 and the two are in contact, and a spring 34 is sleeved on the guide rod 32, and the spring 34 is located between the mounting seat 31 and the limit block 4.

[0022] In the above embodiment, a rubber pad 41 for reducing impact is provided on the limiting block 4 .

[0023] Embodiment 2:

[0024] In the rebound assembly 3, the spring 34 has a service life. To facilitate the replacement of the spring 34, refer to the attached Figure 3 As shown, the guide rod 32 is a threaded rod, the limiting seat 33 is a nut, and the limiting seat 33 is threadedly connected to the guide rod 32 .

[0025] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A buffering and limiting device for a scraper conveyor, characterized in that: The invention comprises a base (1) arranged at both ends of a scraper conveyor, wherein an adjustment component (2) is arranged on the base (1), the adjustment component (2) is connected to a rebound component (3) to change the horizontal distance of the rebound component (3), and the rebound component (3) is connected to a limit block (4).

2. A scraper conveyor buffer limiter according to claim 1, characterized in that: The adjustment assembly (2) comprises a fixed seat (21), an adjustment screw (22), a slide bar (23), an adjustment seat (24) and an adjustment handle (25); the fixed seat (21) is arranged on the base (1), the adjustment screw (22) is threadedly connected to the fixed seat (21) and the slide bar (23) is slidably arranged, one end of the adjustment screw (22) is rotatably connected to the adjustment seat (24) arranged at the end of the slide bar (23), the rebound assembly (3) is arranged on the adjustment seat (24), and the other end of the adjustment screw (22) is connected to the adjustment handle (25).

3. A scraper conveyor buffer limiter according to claim 2, characterized in that: The rebound assembly (3) comprises a mounting seat (31), a guide rod (32), a limit seat (33) and a spring (34); the mounting seat (31) is arranged on the adjustment seat (24); a guide rod (32) is horizontally slidable on the mounting seat (31); a limit seat (33) is arranged on the guide rod (32); the limit seat (33) is located on one side of the mounting seat (31) and the two are in contact; a spring (34) is sleeved on the guide rod (32); and the spring (34) is located between the mounting seat (31) and the limit block (4).

4. A scraper conveyor buffer limiter according to claim 1, characterized in that: The limit block (4) is provided with a rubber pad (41).

5. A scraper conveyor buffer limiter according to claim 3, characterized in that: The guide rod (32) is a threaded rod, the limiting seat (33) is a nut, and the limiting seat (33) is threadedly connected to the guide rod (32).

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