Excavating equipment with crushing function for open pit coal mine exploitation

Abstract

The utility model relates to the technical field of coal mining, and provides excavating equipment with a crushing function for open pit coal mining, which is characterized in that a crushing drill bit is arranged in a protective cover seat to be matched with an excavating mechanism to complete mining and crushing work; firstly, the crushing drill bit can be driven by the telescopic end of the hydraulic cylinder to retract into the protective cover seat, and then the rotating shaft and the closing cover are driven by the driving motor to rotate and reset to the bottom of the protective cover seat, so that the protective cover seat can be closed to prevent dust. Threaded rod transmission is replaced by the hydraulic assembly, the impact resistance of the smashing drill bit can be improved, and meanwhile dust invasion can be effectively avoided when the protective cover base is matched with the opening and closing assembly for opening and closing.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mining, specifically, relates to a kind of excavating equipment with crushing function for open-pit coal mining. BACKGROUND

[0002] Open-pit mining is to remove the rock and covering above the coal seam, so that the coal is exposed to the surface for mining. The process of removing the rock is called stripping, and the process of extracting coal is called coal mining. The crushing mechanism provided by open-pit mining can realize in-situ reduction of coal and rock through the crushing process.

[0003] According to the search, the patent number CN211900586U discloses an excavating equipment with crushing function for open-pit coal mining, which includes a single-bucket hydraulic excavator. A mechanical movable rod is provided on the single-bucket hydraulic excavator, and a digging bucket and a breaking hammer are provided on the mechanical movable rod. A threaded sleeve is provided on one side of the breaking hammer, and a threaded rod is spirally inserted into the threaded sleeve. The ends of the threaded rod are embedded in the inner wall of the bearing. The excavating equipment with crushing function for open-pit coal mining has a digging bucket and a breaking hammer on the mechanical movable rod. By switching between them, the excavating equipment has the function of crushing. The device is provided with a servo motor, which acts on the threaded sleeve and the breaking hammer through the threaded rod to form a movable structure. This structure is easy to operate, allowing the height of the breaking hammer on the mechanical movable rod to be adjusted flexibly. This avoids the mutual influence between the breaking hammer and the digging bucket during use, and improves the efficiency of coal mining.

[0004] The excavating equipment with crushing function for open-pit coal mining has the following problems. The threaded transmission (threaded rod + threaded sleeve) is easily invaded by dust in the open-pit coal mine, which leads to jamming and wear between the transmission connecting parts, and ultimately causes frequent replacement and maintenance problems in the later stage. UTILITY MODEL CONTENTS

[0005] The utility model provides an excavating equipment with crushing function for open-pit coal mining, which solves the problem of threaded transmission (threaded rod + threaded sleeve) in the open-pit coal mine, which is easily invaded by dust, which leads to jamming and wear between the transmission connecting parts, and ultimately causes frequent replacement and maintenance problems in the later stage.

[0006] An excavating equipment with crushing function for open-pit coal mining includes a protective cover seat, a coupling sleeve fixedly connected to the bottom of the protective cover seat, and an excavating mechanism arranged on the other side of the coupling sleeve. The protective cover seat is internally provided with a crushing assembly capable of performing crushing work during coal mining.

[0007] A hydraulic assembly is arranged inside the protective cover seat to move the crushing assembly inside the protective cover seat.

[0008] A dismounting assembly arranged at the connecting position of the hydraulic assembly and the crushing assembly for completing the dismounting connection;

[0009] An opening and closing assembly arranged at the bottom of the protective cover seat and capable of completing the dustproof closing after the crushing assembly is retracted inside the protective cover seat.

[0010] Preferably, the opening and closing assembly comprises:

[0011] A driving motor fixedly installed inside the protective cover seat;

[0012] A rotating shaft fixedly connected at the output end of the driving motor.

[0013] Preferably, the opening and closing assembly further comprises:

[0014] A closing cover arranged at the bottom of the protective cover seat;

[0015] The closing cover is fixedly connected with the rotating shaft outside.

[0016] Preferably, the hydraulic assembly comprises:

[0017] A hydraulic cylinder fixedly installed inside the protective cover seat.

[0018] Preferably, the hydraulic assembly further comprises:

[0019] An installation column fixedly connected at the telescopic end of the hydraulic cylinder;

[0020] A first threaded groove annularly arranged at the arc surface of the installation column.

[0021] Preferably, the dismounting assembly comprises:

[0022] A dismounting sleeve arranged outside the installation column;

[0023] A first bolt annularly arranged at the upper part of the dismounting sleeve;

[0024] The first bolt is matched with the first threaded groove.

[0025] Preferably, the crushing assembly comprises:

[0026] A lower connecting sleeve arranged inside the dismounting sleeve;

[0027] A second threaded groove annularly arranged outside the lower connecting sleeve.

[0028] Preferably, the dismounting assembly further comprises:

[0029] A second bolt annularly arranged at the lower part of the dismounting sleeve;

[0030] The second bolt is matched with the second threaded groove.

[0031] Preferably, the crushing assembly further comprises:

[0032] The dustproof rubber ring is fixedly connected outside the lower adapter;

[0033] The dustproof rubber ring is in contact with the inner wall of the protective cover seat at the outer edge.

[0034] Preferably, the crushing assembly further comprises:

[0035] The crushing drill bit is fixedly installed at the bottom of the lower adapter.

[0036] The utility model discloses the beneficial effects are:

[0037] The utility model discloses a crushing drill bit is equipped in the inside of protective cover seat to cooperate with the excavation mechanism and completes the mining crushing work, and when the crushing drill bit completes the crushing work, can first through the hydraulic cylinder telescopic end drive crushing drill bit and recycle to the inside of protective cover seat, then again utilize drive motor and drive shaft and close cover rotation reset to the bottom of protective cover seat can complete the dustproof work of protective cover seat closing, compared with comparative document, the design utilizes hydraulic assembly to replace threaded rod transmission not only can promote the impact resistance of crushing drill bit, and the opening and closing of protective cover seat cooperation opening and closing component also can effectively prevent dust from invading. BRIEF DESCRIPTION OF DRAWINGS

[0038] The utility model discloses further detailed below in combination with the drawings and specific embodiment.

[0039] Figure 1 It is protective cover seat and the outside schematic diagram of the utility model's union;

[0040] Figure 2 It is the inside schematic diagram of the utility model's protective cover seat;

[0041] Figure 3 It is Figure 2 The enlarged view of area A of

[0042] Figure 4 It is the hydraulic assembly and dismounting assembly and crushing assembly split schematic diagram of the utility model;

[0043] In the drawing: 1, protective cover seat;11, union;2, excavation mechanism;3, opening and closing component;31, drive motor;311, shaft;32, close cover;4, hydraulic assembly;41, hydraulic cylinder;42, mounting column;421, first threaded groove;5, dismounting assembly;51, dismounting sleeve;52, first bolt;53, second bolt;6, crushing assembly;61, lower adapter;611, second threaded groove;612, dustproof rubber ring;62, crushing drill bit. PREFERRED EMBODIMENT

[0044] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present application.

[0045] Please refer to Figure 1 and Figure 2 and Figure 3 and Figure 4 The present application provides a technical solution: a kind of open coal mining is equipped with excavating equipment with crushing function, including protective cover seat 1, fixedly connected in the bottom of protective cover seat 1 coupling 11, setting in the other side of coupling 11 excavating mechanism 2, protective cover seat 1 inside is provided with the crushing assembly 6 capable of carrying out crushing work in the process of coal mining;

[0046] Hydraulic assembly 4 is arranged in the protective cover seat 1 inside and can drive crushing assembly 6 to move in the protective cover seat 1 inside;

[0047] Disassembly assembly 5 is arranged at the connecting place of hydraulic assembly 4 and crushing assembly 6 and is used to complete disassembly and assembly connection;

[0048] Opening and closing assembly 3 is arranged at the bottom of protective cover seat 1 and can complete dustproof closing after crushing assembly 6 is withdrawn into the protective cover seat 1 inside;

[0049] The problem that the threaded transmission threaded rod + threaded sleeve in the prior art is easily invaded by dust in open coal mine, and then causes the jamming and wear between transmission connecting pieces, and finally causes the problem of frequent replacement and maintenance in later period is solved.

[0050] Please refer to Figure 2 and Figure 3 Opening and closing assembly 3 comprises:

[0051] Driving motor 31 is fixedly installed in the protective cover seat 1 inside;

[0052] Shaft 311 is fixedly connected at the output end of driving motor 31.

[0053] Opening and closing assembly 3 further comprises:

[0054] Cover 32 is arranged at the bottom of protective cover seat 1;

[0055] Cover 32 outside is fixedly connected with shaft 311;

[0056] By starting driving motor 31 to drive shaft 311 to rotate, cover 32 is rotated to the outside of the bottom of protective cover seat 1, that is, the opening and closing work of cover 32 at the bottom of protective cover seat 1 can be completed;

[0057] Similarly, the driving motor 31 is started to drive the rotating shaft 311 to rotate reversely, so that the cover 32 is rotated to reset to the bottom of the protective cover seat 1 and complete the dustproof work of closing the protective cover seat 1.

[0058] Please refer to Figure 2 and Figure 3 and Figure 4 The hydraulic assembly 4 comprises:

[0059] The hydraulic cylinder 41 is fixedly installed in the interior of the protective cover seat 1;

[0060] The hydraulic assembly 4 further comprises:

[0061] The mounting column 42 is fixedly connected to the telescopic end of the hydraulic cylinder 41;

[0062] The first threaded groove 421 is annularly arranged on the arc surface of the mounting column 42;

[0063] The dismounting assembly 5 comprises:

[0064] The dismounting sleeve 51 is sleeved on the exterior of the mounting column 42;

[0065] The first bolt 52 is annularly and pre-installed on the upper portion of the dismounting sleeve 51;

[0066] The first bolt 52 is matched with the first threaded groove 421;

[0067] The dismounting sleeve 51 is threadedly fixed on the exterior of the mounting column 42 through the first bolt 52 and the first threaded groove 421.

[0068] The crushing assembly 6 comprises:

[0069] The lower connecting sleeve 61 is sleeved on the interior of the dismounting sleeve 51;

[0070] The second threaded groove 611 is annularly arranged on the exterior of the lower connecting sleeve 61;

[0071] The dismounting assembly 5 further comprises:

[0072] The second bolt 53 is annularly and pre-installed on the lower portion of the dismounting sleeve 51;

[0073] The second bolt 53 is matched with the second threaded groove 611;

[0074] The lower connecting sleeve 61 is threadedly fixed on the interior of the dismounting sleeve 51 through the second bolt 53 and the second threaded groove 611;

[0075] Through the design, the dismounting work between the crushing assembly 6 and the hydraulic assembly 4 can be completed. Since the crushing drill bit 62 is a consumable part, the design can facilitate the dismounting of the crushing assembly 6 from the bottom of the hydraulic assembly 4 through the dismounting assembly 5 and the maintenance and replacement work.

[0076] The crushing assembly 6 further comprises:

[0077] A dustproof rubber ring 612 is fixedly connected to the outer side of the lower sleeve 61;

[0078] The dustproof rubber ring 612 is in contact with the inner wall of the protective cover base 1 at the outer edge thereof;

[0079] Dust can be effectively prevented from entering the interior of the protective cover base 1 from the gap between the lower sleeve 61 and the protective cover base 1 by the dustproof rubber ring 612 when the crushing drill 62 is working;

[0080] The crushing assembly 6 further comprises:

[0081] The crushing drill 62 is fixedly installed at the bottom of the lower sleeve 61;

[0082] The corresponding crushing work can be completed by the crushing drill 62;

[0083] The crushing drill 62 is arranged in the interior of the protective cover base 1 to cooperate with the excavating mechanism 2 to complete the crushing work, in particular, the driving motor 31 drives the rotating shaft 311 to rotate, so that the cover 32 is rotated to the outside of the bottom of the protective cover base 1, then the extension end of the hydraulic cylinder 41 drives the dismounting assembly 5 and the crushing assembly 6 to advance to the outside of the protective cover base 1, until the crushing drill 62 extends from the interior of the protective cover base 1, so that the subsequent crushing work can be completed, and when the crushing work of the crushing drill 62 is completed, the extension end of the hydraulic cylinder 41 can first drive the crushing drill 62 to be retrieved into the interior of the protective cover base 1, then the driving motor 31 drives the rotating shaft 311 and the cover 32 to rotate and reset to the bottom of the protective cover base 1, so that the dustproof work of the protective cover base 1 can be completed.

[0084] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An open-pit coal mine mining equipment with a crushing function, comprising a protective cover seat (1), a coupling sleeve (11) fixedly connected to the bottom of the protective cover seat (1), and a mining mechanism (2) arranged on the other side of the coupling sleeve (11), characterized in that: The protective cover seat (1) is internally provided with a crushing assembly (6) capable of crushing during coal mining; The hydraulic assembly (4) is arranged inside the protective cover seat (1) and can drive the crushing assembly (6) to move inside the protective cover seat (1); The disassembly assembly (5) is arranged at the connection between the hydraulic assembly (4) and the crushing assembly (6) and is used for completing disassembly and assembly connection; The opening and closing assembly (3) is arranged at the bottom of the protective cover seat (1) and can complete dust closing after the crushing assembly (6) is withdrawn into the protective cover seat (1).

2. The excavating apparatus with a pulverizing function for strip coal mining according to claim 1, wherein The opening and closing assembly (3) comprises: The driving motor (31) is fixedly installed inside the protective cover seat (1); The rotating shaft (311) is fixedly connected to the output end of the driving motor (31).

3. The excavating apparatus with a pulverizing function for strip coal mining according to claim 2, characterized in that, The opening and closing assembly (3) further comprises: The closing cover (32) is arranged at the bottom of the protective cover seat (1); The closing cover (32) is fixedly connected to the rotating shaft (311) outside.

4. The excavating apparatus with a pulverizing function for strip coal mining according to claim 1, characterized in that, The hydraulic assembly (4) comprises: The hydraulic cylinder (41) is fixedly installed inside the protective cover seat (1).

5. The excavating apparatus with a pulverizing function for strip coal mining according to claim 4, characterized in that, The hydraulic assembly (4) further comprises: The mounting column (42) is fixedly connected to the telescopic end of the hydraulic cylinder (41); The first threaded groove (421) is annularly arranged at the arc surface of the mounting column (42).

6. The strip coal mining with a pulverizing function according to claim 5, wherein, The disassembly assembly (5) comprises: The disassembly sleeve (51) is sleeved outside the mounting column (42); The first bolt (52) is annularly and prearranged on the upper body of the disassembly sleeve (51); The first bolt (52) is matched with the first threaded groove (421).

7. The excavating apparatus with a pulverizing function for strip coal mining according to claim 6, characterized in that, The crushing assembly (6) comprises: The lower connecting sleeve (61) is sleeved inside the disassembly sleeve (51); The second threaded groove (611) is annularly arranged outside the lower connecting sleeve (61).

8. The excavating apparatus with a pulverizing function for strip coal mining according to claim 6, wherein The disassembly assembly (5) further comprises: The second bolt (53) is annularly and prearranged on the lower body of the disassembly sleeve (51); The second bolt (53) is matched with the second threaded groove (611).

9. The excavating apparatus with a pulverizing function for strip coal mining according to claim 7, characterized in that, The crushing assembly (6) further comprises: The dustproof rubber ring (612) is fixedly connected outside the lower connecting sleeve (61); The dustproof rubber ring (612) is in contact with the inner wall of the protective cover seat (1) at the outer edge thereof.

10. The excavating apparatus with a pulverizing function for strip coal mining according to claim 7, wherein The crushing assembly (6) further comprises: The crushing drill bit (62) is fixedly installed at the bottom of the lower connecting sleeve (61).

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