CN220791225U

CN220791225U - Coal mine heading machine

Info

Publication number: CN220791225U
Application number: CN202321862126.0U
Authority: CN
Inventors: 王茂江
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-04-16
Anticipated expiration: 2033-07-14

Abstract

The utility model discloses a coal mine heading machine, which comprises a heading machine main body, wherein a drill rod is arranged at the top of the heading machine main body, a protection component is arranged on the end surface of the drill rod, a mounting component is arranged on the outer side of the protection component, the mounting rod is inserted into a mounting block, a clamping rod is connected in a sliding manner in the mounting block, a clamping groove is formed in the mounting rod, and the clamping rod is clamped in the clamping groove; this colliery entry driving machine inserts the installation piece inside the back completely through the installation pole, and inside the triangular block joint corresponds triangular groove under the effect of first spring to fix the installation pole inside the installation piece, thereby accomplished the fixing to the drill bit, the balancing weight can produce the effort to the outside under the effect of centrifugal force, thereby make better in the draw-in bar fix the installation pole, thereby realized drill bit simple to operate, and the more stable effect of drill bit when the operation.

Description

Coal mine heading machine

Technical Field

The utility model relates to the technical field of coal mine tunneling, in particular to a coal mine tunneling machine.

Background

The tunneling machine is a machine for cutting a straight underground roadway, is divided into an open tunneling machine and a shield tunneling machine, is widely applied to a plurality of key coal mines in China, and mainly comprises a cantilever tunneling machine which integrates cutting, loading, traveling, operation and other functions and is mainly used for cutting underground rock, coal or semi-coal roadway with any shape section, and the existing cantilever tunneling machine mainly comprises a machine body, an operating room, a crawler belt, a pitching operating rod, a hydraulic cylinder, a driving shaft, a tunneling head and other parts.

The utility model provides a "colliery entry driving machine" that patent publication No. CN218150931U "disclosed, includes the organism, sets up the control room at the organism top, sets up the every single move action bars at the organism front portion, the inside of every single move action bars is equipped with the drive shaft, the pneumatic cylinder is installed in the front end rotation of organism, the flexible end rotation of pneumatic cylinder is installed on every single move action bars, buffer gear is installed to the front end of drive shaft, the dig head is installed on buffer gear, the top of organism is equipped with the suction fan, the top of organism is equipped with the dust filtering mechanism who is connected with dust extraction mechanism, suction fan, improves the life of dig head, can effectively avoid the dust to fly, and then reduces the tunnel dust, reinforcing tunnel field of vision to the protection staff is healthy.

In the prior art, a drill bit of a heading machine is generally mounted on a drill rod through a bolt, and the mounting mode is inconvenient, and when the drilling machine is used, the bolt for fixing the drill bit is easy to loosen due to the fact that the rotating speed of the drill bit is high and large aiming is generated during heading.

Therefore, the utility model provides a coal mine heading machine, which aims to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a coal mine heading machine, which solves the problems.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the coal mine heading machine comprises a heading machine main body, wherein a drill rod is arranged at the top of the heading machine main body, a protection assembly is arranged on the end face of the drill rod, a mounting assembly is arranged on the outer side of the protection assembly, and a drill bit is arranged on the outer side of the mounting assembly;

the installation component includes installation pole and installation piece, installation pole fixed mounting is in the side of drill bit, the installation pole is pegged graft inside the installation piece, the inside sliding connection of installation piece has the draw-in lever, the draw-in groove has been seted up to the inside of installation pole, the draw-in lever joint is inside the draw-in groove.

Preferably: a first spring is fixedly arranged between the outer side of the clamping rods and the mounting block, and the first spring is positioned on one side of the two opposite clamping rods.

By adopting the technical scheme, the clamping rod is limited and reset through the spring.

Preferably: the end face of the clamping rod, which is positioned in the clamping groove, is fixedly provided with a triangular block, the inside of the clamping groove is provided with a triangular groove with the same shape as the triangular block, and the triangular block is clamped in the triangular groove.

By adopting the technical scheme, the installation rod is fixed inside the installation block through the triangular block clamped in the triangular groove.

Preferably: the inside of installation piece has offered the functional groove, the terminal surface of clamping lever is located the functional groove inside, the terminal surface of clamping lever is fixed and be located the inside fixed mounting of functional groove has the balancing weight, the inside fixed mounting of balancing weight has the electro-magnet.

By adopting the technical scheme, the force of the clamping rod to the outside is improved through the centrifugal force generated by the balancing weight, so that the fixing effect of the mounting rod is improved.

Preferably: the protection assembly comprises a protection rod and a protection block, wherein the protection rod is fixedly arranged on the side face of the installation block, the protection block is fixedly arranged on the end face of the drill rod, and the protection rod is inserted into the protection block.

By adopting the technical scheme, the power is transmitted to the drill bit through the protective rod and the protective block.

Preferably: the inside grafting of guard bar has the fixture block, fixed mounting has the second spring between fixture block and the guard bar, the outside of fixture block is convex, the outside joint of fixture block is in the inside of guard block.

By adopting the technical scheme, the protection rod is limited by the second spring and the clamping block.

Preferably: the protection device is characterized in that a third spring is fixedly arranged between the end face of the protection rod and the inside of the protection block, and a hydraulic rod and a trigger rod are fixedly arranged on the inner wall of the protection block.

By adopting the technical scheme, the drill bit is protected by extruding the trigger rod through the protection rod.

Advantageous effects

The utility model provides a coal mine heading machine. Compared with the prior art, the method has the following beneficial effects:

1. this colliery entry driving machine inserts the installation piece inside the back completely through the installation pole, and inside the triangular block joint corresponds triangular groove under the effect of first spring to fix the installation pole inside the installation piece, thereby accomplished the fixing to the drill bit, the balancing weight can produce the effort to the outside under the effect of centrifugal force, thereby make better in the draw-in bar fix the installation pole, thereby realized drill bit simple to operate, and the more stable effect of drill bit when the operation.

2. This colliery entry driving machine, when through comparatively firm rock, great effort can break through the restriction of second spring and make the fixture block can retract inside the guard bar, the guard bar is not being restricted this moment, moves towards inboard trigger lever, is provided with the switch that can stop the drilling rod operation on the trigger lever terminal surface, and the switch is triggered when the guard lever contacted the trigger lever, and drilling rod and drill bit stop operation this moment to the drill bit is protected through the mode of scram when having realized meetting hard rock.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of the external structure of the present utility model;

FIG. 2 is a cross-sectional view of the internal structure of the present utility model;

FIG. 3 is a cross-sectional view of the internal structure of the mounting assembly of the present utility model;

figure 4 is a cross-sectional view of the internal structure of the shield assembly of the present utility model.

In the figure 1, a heading machine main body; 2. a mounting assembly; 21. a mounting rod; 22. a mounting block; 23. a clamping rod; 24. a first spring; 25. a clamping groove; 26. balancing weight; 27. an electromagnet; 28. a functional groove; 3. a protective assembly; 31. a protective rod; 32. a protective block; 33. a clamping block; 34. a second spring; 35. a third spring; 36. a hydraulic rod; 37. a trigger lever; 4. a drill rod; 5. a drill bit.

Detailed Description

It should be noted that, in the description of the embodiments of the present application, the terms "front, rear", "left, right", "upper, lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

The present application is further elaborated by the following figures and examples.

Referring to fig. 1 to 4, an embodiment of the present application provides a coal mine heading machine, including a heading machine main body 1, a drill rod 4 is provided at the top of the heading machine main body 1, a protection component 3 is provided at the end surface of the drill rod 4, a mounting component 2 is provided at the outer side of the protection component 3, and a drill bit 5 is provided at the outer side of the mounting component 2;

the installation component 2 includes installation pole 21 and installation piece 22, and installation pole 21 fixed mounting is in the side of drill bit 5, and installation pole 21 peg graft inside installation piece 22, and the inside sliding connection of installation piece 22 has draw-in lever 23, and draw-in groove 25 has been seted up to the inside of installation pole 21, and draw-in lever 23 joint is inside draw-in groove 25.

A first spring 24 is fixedly arranged between the outer side of the clamping rods 23 and the mounting block 22, and the first spring 24 is positioned on the opposite side of the two clamping rods 23.

The inside of installation piece 22 has offered functional groove 28, and the terminal surface of draw-in bar 23 is located functional groove 28 inside, and the terminal surface of draw-in bar 23 is fixed and is located functional groove 28 inside fixed mounting and have balancing weight 26, and the inside fixed mounting of balancing weight 26 has electro-magnet 27.

In this embodiment, when installing the drill bit 5, peg graft installation pole 21 to installation piece 22 inside, the triangular block is carried clamping lever 23 inside and is moved to the draw-in groove 25 inside under the extrusion of installation pole 21, after installation pole 21 inserts installation piece 22 inside completely, the triangle block joint is to corresponding triangular groove inside under the effect of first spring 24, thereby fix installation pole 21 inside installation piece 22, thereby the fixing of drill bit 5 has been accomplished, and when drill bit 5 rotates the operation, balancing weight 26 can produce the effort to the outside under the effect of centrifugal force, this effort can be exerted on clamping lever 23 and triangular block, thereby make in the clamping lever 23 better fixed installation pole 21, thereby drill bit 5 simple to operate has been realized, and during operation more drill bit 5 is more stable effect, and when dismantling drill bit 5, switch on inside electro-magnet 27, two electro-magnet 27 inter attraction, thereby drive the clamping lever 23 of both sides and move out the triangular block inwards, thereby accomplish the dismantlement to drill bit 5, the dismantlement is convenient.

Referring to fig. 1 to 4, in one aspect of the present embodiment, the protection assembly 3 includes a protection rod 31 and a protection block 32, the protection rod 31 is fixedly installed at a side of the installation block 22, the protection block 32 is fixedly installed at an end surface of the drill rod 4, and the protection rod 31 is inserted inside the protection block 32.

The inside grafting of guard bar 31 has fixture block 33, and fixed mounting has second spring 34 between fixture block 33 and the guard bar 31, and the outside of fixture block 33 is convex, and the outside joint of fixture block 33 is in the inside of guard block 32.

A third spring 35 is fixedly arranged between the end face of the protection rod 31 and the inside of the protection block 32, and a hydraulic rod 36 and a trigger rod 37 are fixedly arranged on the inner wall of the protection block 32.

In this embodiment, when the drill bit 5 drills, if the drill bit 4 continues to move if the drill bit 5 encounters stronger rock and cannot drill, the guard bar 31 approaches to the guard block 32, the larger acting force breaks through the limitation of the second spring 34 so that the clamping block 33 can retract into the guard bar 31, the guard bar 31 is not limited and moves towards the inner trigger bar 37, a switch capable of stopping the operation of the drill bit 4 is arranged on the end face of the trigger bar 37, when the guard bar 31 contacts the trigger bar 37, the switch is triggered, and the drill bit 4 and the drill bit 5 stop operating at this time, so that the drill bit 5 is protected by emergency stop when the hard rock is encountered, and the guard bar 31 moves outwards by starting the hydraulic bar 36, so that the clamping block 33 is clamped inside the guard block 32 again, and the device can be reset without affecting the subsequent use.

All the electric equipment in this scheme all carry out the power supply through external power supply.

Working principle: when the drill bit 5 is installed, the installation rod 21 is inserted into the installation block 22, the triangular block moves inwards with the clamping rod 23 under the extrusion of the installation rod 21 until the clamping rod 23 moves into the clamping groove 25, after the installation rod 21 is completely inserted into the installation block 22, the triangular block is clamped into the corresponding triangular groove under the action of the first spring 24, so that the installation rod 21 is fixed in the installation block 22, the fixation of the drill bit 5 is completed, when the drill bit 5 rotates and runs, the balancing weight 26 generates an outward acting force under the action of centrifugal force, the acting force can be applied to the clamping rod 23 and the triangular block, so that the installation rod 21 is better fixed in the clamping rod 23, the installation convenience of the drill bit 5 is realized, the effect that the drill bit 5 is more stable during running is realized, and when the drill bit 5 is dismounted, the internal electromagnet 27 is electrified, the two electromagnets 27 attract each other, thereby driving the clamping rods 23 on the two sides to move inwards, moving the triangular blocks out of the triangular grooves, completing the disassembly of the drill bit 5, being convenient to disassemble, when the drill bit 5 drills, if stronger rock is encountered and can not drill, the drill rod 4 continues to move, the protective rod 31 can approach towards the protective block 32, the larger acting force breaks through the limit of the second spring 34, so that the clamping block 33 can retract into the protective rod 31, the protective rod 31 is not limited, and moves towards the inner triggering rod 37, a switch capable of stopping the operation of the drill rod 4 is arranged on the end surface of the triggering rod 37, when the protective rod 31 contacts the triggering rod 37, the switch is triggered, and the drill rod 4 and the drill bit 5 stop operating, thereby realizing the protection of the drill bit 5 in a sudden stop mode when encountering hard rock, and the protective rod 31 is moved outwards by starting the hydraulic rod 36, the clamping block 33 is clamped in the protection block 32 again, so that the device can be reset without influencing the subsequent use.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a colliery entry driving machine, includes entry driving machine main part (1), the top of entry driving machine main part (1) is provided with drilling rod (4), its characterized in that: the end face of the drill rod (4) is provided with a protection assembly (3), the outer side of the protection assembly (3) is provided with a mounting assembly (2), and the outer side of the mounting assembly (2) is provided with a drill bit (5);

the installation component (2) is including installation pole (21) and installation piece (22), installation pole (21) fixed mounting is in the side of drill bit (5), installation pole (21) are pegged graft inside installation piece (22), the inside sliding connection of installation piece (22) has draw-in lever (23), draw-in groove (25) have been seted up to the inside of installation pole (21), draw-in lever (23) joint is inside draw-in groove (25).

2. A coal mine heading machine as claimed in claim 1, wherein: a first spring (24) is fixedly arranged between the outer side of the clamping rods (23) and the mounting block (22), and the first spring (24) is positioned on one side opposite to the two clamping rods (23).

3. A coal mine heading machine as claimed in claim 1, wherein: the triangular block is fixedly mounted on the end face of the clamping rod (23) located inside the clamping groove (25), a triangular groove with the same shape as the triangular block is formed in the clamping groove (25), and the triangular block is clamped inside the triangular groove.

4. A coal mine heading machine as claimed in claim 3 wherein: functional groove (28) have been seted up to the inside of installation piece (22), the terminal surface of draw-in lever (23) is located functional groove (28) inside, the terminal surface of draw-in lever (23) is fixed and be located functional groove (28) inside fixed mounting have balancing weight (26), the inside fixed mounting of balancing weight (26) has electro-magnet (27).

5. A coal mine heading machine as claimed in claim 1, wherein: the protection assembly (3) comprises a protection rod (31) and a protection block (32), wherein the protection rod (31) is fixedly arranged on the side face of the installation block (22), the protection block (32) is fixedly arranged on the end face of the drill rod (4), and the protection rod (31) is inserted into the protection block (32).

6. A coal mine heading machine as defined in claim 5, wherein: the inside grafting of guard bar (31) has fixture block (33), fixed mounting has second spring (34) between fixture block (33) and guard bar (31), the outside of fixture block (33) is convex, the outside joint of fixture block (33) is in the inside of guard block (32).

7. A coal mine heading machine as defined in claim 6, wherein: a third spring (35) is fixedly arranged between the end face of the protection rod (31) and the inside of the protection block (32), and a hydraulic rod (36) and a trigger rod (37) are fixedly arranged on the inner wall of the protection block (32).