Coal mining rock drill with protective structure

Abstract

The utility model discloses a coal mining rock drill with a protective structure. The coal mining rock drill comprises a bottom frame, wherein the top end of the bottom frame is connected with a top plate through a lifting structure; the supporting shaft frame is fixedly arranged on one side of the top end of the top plate, the driving motor is fixedly arranged on one side of the supporting shaft frame, and the output end of the driving motor is fixedly connected with one end of the frame plate. Due to the fact that the two second shaft seats arranged on the base are matched with the first shaft seat arranged on one side of the sliding table through the first connecting rod and the second connecting rod, when the rock drill reaches the mine wall, the descending protection plate can be driven to rotate, and at the moment, the included angle between the descending protection plate and the sliding table is 100 degrees. The rotation and buffering functions of the descending protection plate provide an additional protection layer, the risk that workers are injured is reduced, the workers fall on the descending protection plate to be buffered in the chiseling process, damage and fragments of a coal mine can be effectively reduced, and therefore the integrity and quality of the coal mine are protected.

Description

Technical Field

[0001] The utility model relates to a coal mining rock drill, in particular to a coal mining rock drill with a protective structure, belonging to the technical field of coal mining. Background Art

[0002] Coal mining rock drills are typically large machines equipped with powerful rock-cutting tools, such as drill bits or jackhammers, that break and clean rock by rotation or impact. These machines are usually controlled by an operator and perform precise operations in underground mines to ensure safe and efficient extraction of coal:

[0003] Coal mining rock drills can cause rock fragments to splash when drilling, increasing the risk of worker injury. Especially in underground mine environments, this risk is more serious. Therefore, there is an urgent need for a coal mining rock drill with a protective structure.

[0004] It should be noted that the above content belongs to the technical cognition scope of the utility model applicant and does not necessarily constitute prior art. Utility Model Content

[0005] In order to solve the above problems, the purpose of this utility model is to provide a coal mining rock drill with a protective structure.

[0006] To achieve the above-mentioned purpose, the utility model proposes a coal mining rock drill with a protective structure, comprising a base frame:

[0007] The top end of the base frame is connected to the top plate via a lifting structure;

[0008] A supporting shaft frame is fixedly provided on one side of the top of the top plate, a driving motor is fixedly provided on one side of the supporting shaft frame, an output end of the driving motor is fixedly connected to one end of the frame plate, the frame plate is fixedly provided at one end of one side of the slide, a base is provided for sliding inside the slide, a rock drill is fixedly installed on one end of the base, a first shaft seat is symmetrically fixedly provided on the other end of one side of the slide, the inner sides of the two first shaft seats are hinged with a first connecting rod, the bottoms of the inner sides of the two first connecting rods are hinged with a second connecting rod, one end of the two second connecting rods are hinged to the inner sides of the corresponding second shaft seats, the two second shaft seats are symmetrically fixedly provided at the middle position of one side of the base, and the inner sides of the two first connecting rods are fixedly connected to the two sides of the descending protective plate.

[0009] In one example, a first electric hydraulic cylinder is fixedly provided at one end of the slide, and an output end of the first electric hydraulic cylinder is fixedly connected to a side of the base.

[0010] In one example, the lifting structure includes sliding rods fixedly arranged on both sides of the top of the base frame, the two sliding rods are interlaced and connected with the top plate, a second electric hydraulic cylinder is fixedly arranged at the middle position of the top of the base frame, and the output end of the second electric hydraulic cylinder is fixedly connected to the middle position of the bottom end of the top plate.

[0011] In one example, a limiting plate is fixedly provided at the top end of the two sliding rods.

[0012] In one example, a switch panel is provided on the base frame, and a first electric hydraulic cylinder switch, a second electric hydraulic cylinder switch and a drive motor switch are fixed on the surface of the switch panel respectively, and the first electric hydraulic cylinder, the second electric hydraulic cylinder and the drive motor are electrically connected to an external power supply through the first electric hydraulic cylinder switch, the second electric hydraulic cylinder switch and the drive motor switch respectively.

[0013] The coal mining rock drill with a protective structure proposed by the utility model can bring the following beneficial effects:

[0014] The utility model includes an underframe, a slide rod, a top plate, a limit plate, a second electric hydraulic cylinder, a supporting shaft frame, a frame plate, a driving motor, a slide, a base, a second shaft seat, a first shaft seat, a first connecting rod, a second connecting rod, a descending protective plate and a rock drill. In the process of the first electric hydraulic cylinder driving the base to move horizontally, since the two second shaft seats arranged on the base and the first shaft seat arranged on one side of the slide are coordinated through the first connecting rod and the second connecting rod, when the rock drill reaches the mine wall, the descending protective plate can be driven to rotate. At this time, the descending protective plate and the slide form an angle of 100 degrees. The rotation and buffering functions of the descending protective plate provide an additional layer of protection, reducing the risk of injury to workers. The particles falling on the descending protective plate during the chiseling process are buffered, which can effectively reduce the damage and fragmentation of the coal mine, thereby protecting the integrity and quality of the coal mine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the slide table of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the base of the utility model.

[0019] In the figure: 1. base frame; 2. sliding rod; 3. top plate; 4. limit plate; 5. second electric hydraulic cylinder; 6. supporting shaft frame; 7. frame plate; 8. driving motor; 9. slide; 10. base; 11. second shaft seat; 12. first shaft seat; 13. first connecting rod; 14. second connecting rod; 15. descending protection plate; 16. rock drill; 17. first electric hydraulic cylinder. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0021] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In the present utility model, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description of reference terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more schemes or examples.

[0025] like Figure 1 to Figure 3 As shown, the embodiment of the utility model provides a coal mining rock drill with a protective structure, including a chassis 1:

[0026] The top end of the base frame 1 is connected to the top plate 3 via a lifting structure;

[0027] A support shaft frame 6 is fixedly provided on one side of the top of the top plate 3, and a drive motor 8 is fixedly provided on one side of the support shaft frame 6. The output end of the drive motor 8 is fixedly connected to one end of the frame plate 7, and the frame plate 7 is fixedly provided at one end of one side of the slide 9. A base 10 is slidingly provided inside the slide 9, and a rock drill 16 is fixedly installed on one end of the base 10. A first shaft seat 12 is symmetrically fixedly provided on the other end of one side of the slide 9, and a first connecting rod 13 is hingedly provided on the inner sides of the two first connecting rods 12, and a second connecting rod 14 is hingedly provided on the bottom of the inner sides of the two first connecting rods 13, and one end of the two second connecting rods 14 is hinged to the inner sides of the corresponding second shaft seats 11, and the two second shaft seats 11 are symmetrically fixedly provided at the middle position of one side of the base 10, and the inner sides of the two first connecting rods 13 are fixedly connected to the two sides of the descending protection plate 15.

[0028] Specifically, a first electric hydraulic cylinder 17 is fixedly provided at one end of the slide 9 , and an output end of the first electric hydraulic cylinder 17 is fixedly connected to one side of the base 10 .

[0029] Specifically, the lifting structure includes sliding rods 2 fixedly arranged on both sides of the top of the base frame 1, the two sliding rods 2 are interlaced and connected with the top plate 3, and a second electric hydraulic cylinder 5 is fixedly arranged in the middle position of the top of the base frame 1, and the output end of the second electric hydraulic cylinder 5 is fixedly connected to the middle position of the bottom end of the top plate 3.

[0030] Specifically, a limiting plate 4 is fixedly provided at the top end of the two sliding rods 2 .

[0031] Specifically, a switch panel is provided on the base frame 1, and a first electric hydraulic cylinder switch, a second electric hydraulic cylinder switch and a drive motor switch are fixedly provided on the surface of the switch panel respectively. The first electric hydraulic cylinder 17, the second electric hydraulic cylinder 5 and the drive motor 8 are electrically connected to an external power supply through the first electric hydraulic cylinder switch, the second electric hydraulic cylinder switch and the drive motor switch respectively.

[0032] Working principle: When in use, according to the position of the coal mine wall, first turn on the switch of the second electric hydraulic cylinder, and the output end of the second electric hydraulic cylinder 5 in the middle position of the top of the base frame 1 drives the top plate 3 to move upward, and the slide rod 2 plays a role of supporting the sliding, turn on the drive motor switch, and the output end of the drive motor 8 drives the frame plate 7 to rotate and adjust it to the position to be excavated. Then turn on the switch of the first electric hydraulic cylinder, and the output end of the first electric hydraulic cylinder 17 drives the base 10 to slide inside the slide 9. When it contacts one end of the slide 9, since the first connecting rod 13 hinged at one end of the two first axle seats 12 is hinged to the second axle seat 11 through the second connecting rod 14, it can drive the descending protection plate 15 to rotate. At this time, the descending protection plate 15 and the slide 9 are at an angle of 100 degrees, which assists the descent buffer of the coal mine, thereby achieving a protective effect.

[0033] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0034] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A coal mining rock drill with a protective structure, comprising a base frame (1): The top end of the base frame (1) is connected to the top plate (3) via a lifting structure; Features: A support shaft frame (6) is fixedly provided on one side of the top of the top plate (3), a drive motor (8) is fixedly provided on one side of the support shaft frame (6), an output end of the drive motor (8) is fixedly connected to one end of the frame plate (7), the frame plate (7) is fixedly provided on one end of one side of the slide (9), a base (10) is slidably provided inside the slide (9), a rock drill (16) is fixedly installed on one end of the base (10), a first shaft seat (12) is symmetrically fixedly provided on the other end of one side of the slide (9), the inner sides of the two first shaft seats (12) are hingedly provided with a first connecting rod (13), the bottoms of the inner sides of the two first connecting rods (13) are hingedly provided with a second connecting rod (14), one end of the two second connecting rods (14) is hingedly connected to the inner sides of the corresponding second shaft seats (11), the two second shaft seats (11) are symmetrically fixedly provided at the middle position of one side of the base (10), and the inner sides of the two first connecting rods (13) are fixedly connected to the two sides of the descending protection plate (15).

2. A coal mining rock drill with a protective structure according to claim 1, characterized in that: A first electric hydraulic cylinder (17) is fixedly provided at one end of the slide (9), and an output end of the first electric hydraulic cylinder (17) is fixedly connected to one side of the base (10).

3. A coal mining rock drill with a protective structure according to claim 2, characterized in that: The lifting structure comprises sliding rods (2) fixedly arranged on both sides of the top of the base frame (1), the two sliding rods (2) being interlacedly connected with the top plate (3), a second electric hydraulic cylinder (5) being fixedly arranged at the middle position of the top of the base frame (1), and an output end of the second electric hydraulic cylinder (5) being fixedly connected to the middle position of the bottom of the top plate (3).

4. A coal mining rock drill with a protective structure according to claim 3, characterized in that: Limiting plates (4) are fixedly provided at the top ends of the two sliding rods (2).

5. A coal mining rock drill with a protective structure according to claim 3, characterized in that: The base frame (1) is provided with a switch panel, and a first electric hydraulic cylinder switch, a second electric hydraulic cylinder switch and a drive motor switch are fixedly provided on the surface of the switch panel, and the first electric hydraulic cylinder (17), the second electric hydraulic cylinder (5) and the drive motor (8) are electrically connected to an external power supply via the first electric hydraulic cylinder switch, the second electric hydraulic cylinder switch and the drive motor switch, respectively.

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