阅读说明：本技术 一种煤矿开采掘进机 (Coal mining heading machine ) 是由 姚萍 于 2020-08-11 设计创作，主要内容包括：本发明涉及能源开采技术领域,且公开了一种煤矿开采掘进机,包括主架和外壳,所述主架的中部固定安装有主杆,所述主杆的右侧壁活动套接有伸缩杆。本发明通过第一连动件与第二连动件的配合使用,在设备进行操作的过程中,根据岩层的不同选用不同的连动杆进行工作,当岩层较硬时,采用驱动装置推动第一联动杆进行向左侧运动,使其带动第二连动件进行运动,进而带动第二连动件连接的副钻头进行工作,在岩层较软时,利用驱动建带动第二联动杆进行工作,进而带动第一连动件连接的钻头进行工作,该装置能够有效的根据不同的岩层合理的选择不同的钻头,有效的降低了设备的磨损,同时也提高了设备的工作效率,减少了设备更换钻头的时间。(The invention relates to the technical field of energy mining, and discloses a coal mining heading machine which comprises a main frame and a shell, wherein a main rod is fixedly arranged in the middle of the main frame, and a telescopic rod is movably sleeved on the right side wall of the main rod. According to the invention, through the matched use of the first linkage piece and the second linkage piece, different linkage rods are selected for working according to different terraces in the operation process of the equipment, when the terraces are harder, the driving device is adopted to push the first linkage rod to move to the left, so that the first linkage rod drives the second linkage piece to move, and further drives the auxiliary drill bit connected with the second linkage piece to work, when the terraces are softer, the driving device is used to drive the second linkage rod to work, and further drives the drill bit connected with the first linkage piece to work.)

1. The utility model provides a coal mining entry driving machine, includes body frame (1) and cup joints in outside shell (2) of body frame (1), its characterized in that: the middle of the main frame (1) is fixedly provided with a main rod (3), a telescopic rod (4) is sleeved on the right side wall of the main rod (3) in a movable manner, a limit block (13) is fixedly connected to the left side wall of the main rod (3), a limit gear (12) and a main gear (9) are sleeved on the outer wall of the main rod (3), the main gear (9) is located on the right side of the limit gear (12), a first linkage piece (7) and a second linkage piece (8) are sleeved on the outer walls of the main rod (3) and the telescopic rod (4) in a movable manner, the second linkage piece (8) is located on the left side of the first linkage piece (7), a movable rod (14) is sleeved on the outer walls of the first linkage piece (7) and the second linkage piece (8) in a movable manner, a fixed plate (11) is fixedly connected to the other end of the movable rod (14), and an auxiliary drill bit (10) is fixedly, the drill bit is characterized in that a first linkage rod (5) is fixedly connected to the side wall of the second linkage piece (8), a second linkage rod (6) is fixedly connected to the side wall of the first linkage piece (7), a first limiting hole (16) and a second limiting hole (17) are formed in the outer wall of the shell (2), a main drill bit (15) is movably sleeved on the left side wall of the shell (2), and a gear groove (18) is formed in the inner cavity of the shell (2).

2. A coal mining development machine according to claim 1 wherein: the diameter value of the second linkage piece (8) is larger than that of the first linkage piece (7), the number of the second linkage piece (8) and the number of the first linkage piece (7) are three, and the outer walls of the two second linkage pieces (8) and the two first linkage pieces (7) are movably connected with movable rods (14).

3. A coal mining development machine according to claim 1 wherein: the diameter value of the first limiting hole (16) is smaller than that of the second limiting hole (17), a plurality of groups of the first limiting holes (16) and the second limiting holes (17) are arranged, and each group of the first limiting holes (16) is located on the left side of the second limiting hole (17).

4. A coal mining development machine according to claim 1 wherein: the inner wall of the gear groove (18) is meshed with the outer edge of the main gear (9), a tooth groove is formed in the inner cavity of the shell (2), and the tooth groove is matched with the limit gear (12).

5. A coal mining development machine according to claim 1 wherein: the length values of the first linkage rod (5) and the second linkage rod (6) are smaller than the total length value of the main rod (3) and the telescopic rod (4).

Technical Field

The invention relates to the technical field of energy exploitation, in particular to a coal mining heading machine.

Background

The development machine is a comprehensive equipment for implementing continuous operation by using mechanical rock breaking, mucking and supporting, and is divided into a full-section development machine and a partial-section development machine according to the cutting process of the development machine on the working face, and mainly comprises a walking mechanism, a working mechanism, a loading mechanism and a transshipping mechanism. As the travelling mechanism advances forward, the cutting head in the working mechanism continuously crushes the rock and transports the crushed rock away. The tunnel forming machine has the advantages of safety, high efficiency, good tunnel forming quality and the like, but has high manufacturing cost, complex structure and large loss.

The cutting head of current entry driving machine adopts the integral type design mostly, and after long-time work, wearing and tearing are comparatively serious, and the cost of changing equipment is higher, and its cutting head still need select different cutting heads according to the stratum of different degree, leads to equipment when changing the part, and comparatively waste time meets multiple different terranes, needs multiple different cutting heads to carry out work, often changes the work efficiency that the cutting head can seriously influence equipment, for this application release a coal mining entry driving machine.

Disclosure of Invention

The invention provides a coal mining heading machine which has the advantages that cutting heads with different degrees can be installed at the same time, a proper cutting head can be selected when different rock strata are faced, the abrasion of equipment is reduced, the working efficiency of the equipment is improved, the integral replacement of a cutting part is not needed, the cost of replacing parts of the equipment is reduced, and the problems covered by the background technology are solved.

The invention provides the following technical scheme: a coal mining tunneling machine comprises a main frame and a shell sleeved outside the main frame, wherein a main rod is fixedly mounted in the middle of the main frame, a telescopic rod is movably sleeved on the right side wall of the main rod, a limiting block is fixedly connected to the left side wall of the main rod, a limiting gear and a main gear are fixedly sleeved on the outer wall of the main rod, the main gear is located on the right side of the limiting gear, a first linkage part and a second linkage part are movably sleeved on the outer walls of the main rod and the telescopic rod, the second linkage part is located on the left side of the first linkage part, a movable rod is movably sleeved on the outer walls of the first linkage part and the second linkage part, a fixed plate is fixedly connected to the other end of the movable rod, an auxiliary drill bit is fixedly mounted on the upper surface of the fixed plate, a first linkage part is fixedly connected to the side wall of the second linkage part, a second linkage part is fixedly connected, the outer wall of the shell is provided with a first limiting hole and a second limiting hole, the left side wall of the shell is movably sleeved with a main drill bit, and the inner cavity of the shell is provided with a gear groove.

Preferably, the diameter value of the second linkage member is greater than that of the first linkage member, the number of the second linkage member and the number of the first linkage member are three, and the outer walls of the two second linkage members and the outer walls of the two first linkage members are movably connected with movable rods.

Preferably, the diameter value of the first limiting hole is smaller than that of the second limiting hole, a plurality of groups of the first limiting holes and the second limiting holes are arranged, and each group of the first limiting holes is located on the left side of the second limiting hole.

Preferably, the inner wall of the gear groove is meshed with the outer edge of the main gear, a tooth groove is formed in the inner cavity of the shell, and the tooth groove is matched with the limit gear.

Preferably, the length values of the first linkage rod and the second linkage rod are smaller than the total length value of the main rod and the telescopic rod.

The invention has the following beneficial effects:

1. this coal mining entry driving machine, cooperation through first interlock spare and second interlock spare is used, the in-process that operates is carried out at equipment, select different interlock poles to work for use according to the difference of stratum, when the stratum is harder, adopt drive arrangement to promote first interlock pole and carry out the motion to the left side, make it drive second interlock spare and move, and then drive the vice drill bit that second interlock spare is connected and carry out work, when the stratum is softer, utilize the drive to build and drive second interlock pole and carry out work, and then drive the drill bit that first interlock spare is connected and carry out work, the device can effectually select different drill bits according to the stratum that is reasonable of difference, the effectual wearing and tearing that have reduced equipment, the work efficiency of equipment has also been improved simultaneously, the time of equipment change drill bit has been reduced.

2. This coal mining entry driving machine uses through adopting the cooperation of multiunit auxiliary drill bit, and the current equipment of comparison adopts the integral type to connect the drill bit, and the device is lower at the cost that the drill bit wearing and tearing changed after the certain degree, the effectual operation cost that has reduced the enterprise when the construction.

Drawings

FIG. 1 is a schematic view of the internal structure of a cutting head according to the present invention;

FIG. 2 is a schematic view of a cutting head housing configuration of the present invention;

FIG. 3 is a side view of the cutting head housing of the present invention;

figure 4 is a schematic view of the first drive member inside the cutting head according to the invention.

In the figure: 1. a main frame; 2. a housing; 3. a main rod; 4. a telescopic rod; 5. a first linkage rod; 6. a second linkage rod; 7. a first linkage member; 8. a second linkage member; 9. a main gear; 10. a secondary drill bit; 11. a fixing plate; 12. a limit gear; 13. a limiting block; 14. a movable rod; 15. a main drill bit; 16. a first limit hole; 17. a second limiting hole; 18. gear groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a coal mining tunneling machine comprises a main frame 1 and a housing 2, the main frame 1 is integrally sleeved inside the housing 2, a main rod 3 is fixedly installed in the middle of the main frame 1, a telescopic rod 4 is movably sleeved on the right side wall of the main rod 3, a limiting block 13 is fixedly connected on the left side wall of the main rod 3, a limiting gear 12 and a main gear 9 are fixedly sleeved on the outer wall of the main rod 3, the main gear 9 is located on the right side of the limiting gear 12, a first linkage 7 and a second linkage 8 are movably sleeved on the outer walls of the main rod 3 and the telescopic rod 4, the second linkage 8 is located on the left side of the first linkage 7, a movable rod 14 is movably sleeved on the outer walls of the first linkage 7 and the second linkage 8, the other end of the movable rod 14 is fixedly connected with a fixed plate 11, an auxiliary drill bit 10 is fixedly installed on the upper surface of the fixed plate 11, a first linkage 5 is fixedly, the side wall of the first linkage part 7 is fixedly connected with a second linkage rod 6, the outer wall of the shell 2 is provided with a first limit hole 16 and a second limit hole 17, the left side wall of the shell 2 is movably sleeved with a main drill bit 15, the inner cavity of the shell 2 is provided with a gear groove 18, the diameter value of the second linkage part 8 is larger than that of the first linkage part 7, the number of the second linkage part 8 and the first linkage part 7 is three, the outer walls of the two second linkage parts 8 and the two first linkage parts 7 are movably connected with a movable rod 14, the diameter value of the first limit hole 16 is smaller than that of the second limit hole 17, the number of the first limit holes 16 and the second limit holes 17 is provided with a plurality of groups, each group of the first limit holes 16 is positioned at the left side of the second limit hole 17, the inner wall of the gear groove 18 is meshed with the outer edge of the main gear 9, the inner cavity of the shell 2 is provided with a tooth socket, and the tooth socket is matched with the limit gear 12, the length values of the first linkage rod 5 and the second linkage rod 6 are smaller than the total length value of the main rod 3 and the telescopic rod 4.

Wherein, the diameter value of master gear 9 is greater than the diameter value of limit gear 12, because the whole conical design of drill bit adopts the gear of two sets of different diameters to cooperate the use, can effectual improvement equipment operation's stability.

The second linkage rod 6 is movably connected in a sleeved mode when contacting the second linkage part 8, and the outer wall of the second linkage rod is not contacted with the second linkage part 8, so that the second linkage part 8 is not driven to work in the using process.

The auxiliary drill bits 10 installed on the first linkage piece 7 are made of steel drill bits with different strength specifications, and the auxiliary drill bits 10 installed on the second linkage piece 8 are made of high-strength steel drill bits, so that the auxiliary drill bits 10 with different strengths are adopted for rock strata with different hardness, and the use effect of the equipment is improved.

A working principle of a coal mining heading machine is as follows:

1. when the auxiliary drill bit is used, a proper auxiliary drill bit 10 is selected according to the hardness of the rock stratum, when the rock stratum in the rock cave is hard, the driving device is utilized to drive the first linkage rod 5 to work, and then the first linkage rod 5 drives the second linkage piece 8 to move towards the left side, so that the second linkage piece 8 drives the movable rod 14 to move, and further the auxiliary drill bit 10 extends out of the outer wall of the shell 2 through the second limiting hole 17, and the driving component drives the shell 2 to work.

2. When the rock stratum in the cave is hard, the driving device is utilized to drive the second linkage rod 6 to work, and then the second linkage rod 6 drives the first linkage part 7 to move towards the left side, so that the first linkage part 7 drives the other movable rod 14 to move, and then the other auxiliary drill 10 extends out of the outer wall of the shell 2 through the first limiting hole 16, and the driving component drives the shell 2 equipment to work.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.