CN210919038U

CN210919038U - Front-end excavating device of mining machine

Info

Publication number: CN210919038U
Application number: CN201922187347.2U
Authority: CN
Inventors: 马寿强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-07-03
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a digger front end excavating gear, the top interlude of shovel board has first actuating lever, the top one side welding of shovel board has quick-witted case, the one end of first actuating lever stretches into the inboard of quick-witted case, and overlap inherent second gear, one side of second gear is provided with first motor, and the output pot head of first motor is inherent with the first gear of second gear engaged with, evenly weld on the first actuating lever has a plurality of crushing teeth, one side of machine case, and be located and be fixed with the second motor on the lateral wall of shovel board, the output welding of second motor has the second actuating lever, and on the rotatable two lateral walls that are fixed in the shovel board of second actuating lever, evenly weld has three scraper blade on the second actuating lever. Has the advantages that: be provided with first motor, gear train, first actuating lever and smash the tooth combination through the front end at the shovel board for initiatively excavate and smash the coal seam of bottom, improve the exploitation efficiency in bottom coal seam, smash the coal seam simultaneously, utilize the scraper blade to scrape the material, avoid the coal cinder to pile up.

Description

Front-end excavating device of mining machine

Technical Field

The utility model relates to a coal mining machinery technical field specifically is a digger front end excavating gear.

Background

The coal mine is an area where human beings mine coal resources in a coal-rich mining area, mainly utilizes a mining machine to mine, and the overall structure of the mining machine comprises: the coal mining device comprises a water system, a cutting part, a shovel plate part, a hydraulic system, a body part, a walking part, a transporting part, a rear support, a lubricating system and an electric system, wherein the cutting part and the shovel plate part are positioned at the most front end and directly contact with a coal bed to perform excavation, the cutting part is used for mining the coal bed above, the shovel plate part is used for mining the coal bed below and above, the labor division is clear, and the excavation efficiency of the shovel plate part directly influences the mining efficiency.

The mining machine front end excavating gear who uses at present, its shovel board portion mainly rely on this body portion to advance and promote shovel coal, can't initiatively excavate and smash the coal seam, and at propulsive in-process, the coal cinder is piled up easily on the shovel board, and a large amount of accumulations just cause the feed inlet to block up, influence coal conveying and mining speed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the above-mentioned problem to present existence provides a digger front end excavating gear, front end through at the shovel board is provided with first motor, the gear train, first actuating lever and crushing tooth combination, be used for initiatively excavating and smashing the coal seam of bottom, improve the exploitation efficiency in bottom coal seam, smash the coal seam simultaneously, be convenient for carry, be provided with second motor second actuating lever and scraper blade combination through the middle part at the shovel board, be used for scraping kibbling coal cinder to the feed inlet, avoid the coal cinder to pile up the jam, accelerate coal conveying speed and exploitation efficiency simultaneously, thereby solve not enough and the defect that prior art exists.

In order to realize the purpose, the utility model discloses a technical scheme is:

a front end excavating device of a mining machine comprises a shovel plate, a crushing device and a scraping device, wherein the shovel plate is of a rectangular structure, the crushing device is arranged at the front end of the shovel plate and comprises a machine box, a first motor, a first gear, a second gear, a first driving rod and crushing teeth, the first driving rod is inserted into the top end of the shovel plate in a penetrating mode, the machine box is welded to one side of the top end of the shovel plate, one end of the first driving rod extends into the inner side of the machine box and is fixedly sleeved with the second gear, the first motor is arranged on one side of the second gear, the first gear meshed with the second gear is fixedly sleeved on the output end of the first motor, the motor is used for providing rotating force, the crushing teeth are uniformly welded on the first driving rod and used for excavating and crushing, the scraping device is arranged in the middle of the shovel plate, the scraper device includes second motor, second actuating lever and scraper blade, one side of quick-witted case, and is located be fixed with on the lateral wall of shovel board the second motor, the output welding of second motor has the second actuating lever, just the second actuating lever is rotatable to be fixed in on two lateral walls of shovel board, even welding has threely on the second actuating lever the scraper blade utilizes the motor to drive the rotatory scraper of scraper blade, and the coal cinder of being convenient for is carried fast.

Preferably, the first driving rod and the second driving rod are respectively fixed on the side wall of the shovel plate through bearings.

Preferably, a feed inlet with a rectangular structure is formed in the end face of the top end of the shovel plate.

Preferably, the first motor is fixed on the bottom plate of the case through a motor bracket.

Preferably, the first motor and the second motor are both electrically connected with a control end of the external mining machine body.

Since the technical scheme is used, the beneficial effects of the utility model are that:

1. the combination of the first motor, the gear set, the first driving rod and the crushing teeth is arranged at the front end of the shovel plate and is used for actively excavating and crushing the coal bed at the bottom, so that the mining efficiency of the coal bed at the bottom is improved, and meanwhile, the coal bed is crushed and is convenient to convey;

2. through being provided with second motor second actuating lever and scraper blade combination in the middle part of shovel board for scrape kibbling coal cinder to the feed inlet, avoid the coal cinder to pile up the jam, accelerate coal conveying speed and exploitation efficiency simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the inside of the middle chassis of the present invention;

fig. 3 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a shovel plate; 2. a chassis; 3. a first motor; 4. a first gear; 5. a second gear; 6. a first drive lever; 7. crushing teeth; 8. a second motor; 9. a second drive lever; 10. a squeegee; 11. a feed inlet; 12. a bearing; 13. a motor bracket.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the accompanying drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.

Referring to fig. 1-3, the utility model provides a technical scheme, a mining machine front end excavating device, comprising a shovel plate 1 with a rectangular structure, a crushing device and a scraping device, wherein the crushing device is arranged at the front end of the shovel plate 1, the crushing device comprises a case 2, a first motor 3, a first gear 4, a second gear 5, a first driving rod 6 and crushing teeth 7, the first driving rod 6 is inserted at the top end of the shovel plate 1, the case 2 is welded at one side of the top end of the shovel plate 1, one end of the first driving rod 6 extends into the inner side of the case 2 and is fixedly sleeved with the second gear 5, the first motor 3 is arranged at one side of the second gear 5, the output end of the first motor 3 is sleeved with the first gear 4 which is fixedly meshed with the second gear 5, the gears are driven by the motor to transmit power, the power is strong and stable, the first driving rod 6 is uniformly welded with the crushing teeth 7, the scraper is used for excavating coal briquettes, the coal briquettes can be crushed simultaneously, the middle part of the shovel plate 1 is provided with a scraper device, the scraper device comprises a second motor 8, a second driving rod 9 and a scraper 10, one side of the case 2 is fixed on the side wall of the shovel plate 1, the second motor 8 is fixed on the side wall of the second motor 8, the second driving rod 9 is welded at the output end of the second motor 8, the second driving rod 9 can be fixed on two side walls of the shovel plate 1 in a rotating mode, three scraper plates 10 are evenly welded on the second driving rod 9, the scraper device is used for scraping the coal briquettes to the feed inlet 11, blockage is avoided, and the conveying speed.

Preferably, the first driving rod 6 and the second driving rod 9 are fixed to the side walls of the blade 1 by bearings 12, respectively, for fixing and rotation.

Preferably, a feed inlet 11 with a rectangular structure is formed in the end face of the top end of the shovel plate 1 and is used for conveying coal briquettes.

Preferably, the first motor 3 is fixed on the bottom plate of the case 2 through the motor bracket 13 provided, so that firm fixation is facilitated, and stable power output is ensured.

Preferably, the first motor 3 and the second motor 8 are both electrically connected with the control end of the external mining machine body, so that the control is convenient.

In this embodiment, the working process of the front end excavating device of the mining machine is as follows:

install shovel board 1 to the front end of excavator, during the coal mining, open first motor 3 and second motor 8, first motor 3 drives second gear 5 through first gear 4 and rotates, thereby take first actuating lever 6 to rotate, along with shovel board 1 constantly impels, crushing tooth 7 on the first actuating lever 6 constantly rotates, excavate the coal seam of shovel board 1 front end below, extrude the breakage to big coal cinder, the limit is excavated broken, impel simultaneously, coal cinder after the breakage is shoveled into on shovel board 1, second motor 8 takes the continuous rotation of scraper blade 10, scrape the coal cinder in the feed inlet 11 to the rear, thereby the continuous excavation of circulation, smash and the pay-off, the division of labor is clear and definite, high efficiency, and difficult the jam that causes.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

The electric machine used in this application is an existing product, for example: the jieba brand, the motor of YL model is the existing mature technology, and belongs to the technical category that ordinary skilled person in the art can understand for its specific internal structure and principle, and the no longer repeated description here.

Claims

1. The utility model provides a mining machine front end excavating gear, includes shovel board (1), reducing mechanism and the scraper of rectangle structure, its characterized in that: the crushing device is arranged at the front end of the shovel plate (1) and comprises a case (2), a first motor (3), a first gear (4), a second gear (5), a first driving rod (6) and crushing teeth (7), the first driving rod (6) is inserted into the top end of the shovel plate (1), the case (2) is welded on one side of the top end of the shovel plate (1), one end of the first driving rod (6) extends into the inner side of the case (2) and is sleeved with the second gear (5), the first motor (3) is arranged on one side of the second gear (5), the first gear (4) meshed with the second gear (5) is sleeved on the output end of the first motor (3), the crushing teeth (7) are uniformly welded on the first driving rod (6), and the scraping device is arranged in the middle of the shovel plate (1), the scraper comprises a second motor (8), a second driving rod (9) and a scraper (10), one side of the case (2) is located and fixed on the side wall of the shovel plate (1), the second motor (8) is welded at the output end of the second motor (8), the second driving rod (9) is rotatably fixed on the two side walls of the shovel plate (1), and the scraper (10) is uniformly welded on the second driving rod (9).

2. A mining machine front end excavation means as claimed in claim 1, wherein: the first driving rod (6) and the second driving rod (9) are fixed on the side wall of the shovel plate (1) through bearings (12) arranged on the side wall.

3. A mining machine front end excavation means as claimed in claim 1, wherein: the end face of the top end of the shovel plate (1) is provided with a feed inlet (11) with a rectangular structure.

4. A mining machine front end excavation means as claimed in claim 1, wherein: the first motor (3) is fixed on the bottom plate of the case (2) through a motor support (13).

5. A mining machine front end excavation means as claimed in claim 1, wherein: the first motor (3) and the second motor (8) are electrically connected with a control end of the external mining machine body.