CN210178347U - Coal mining tunneling equipment with drill bit convenient to replace - Google Patents

Abstract

The utility model discloses a coal mining tunneling device convenient for replacing a drill bit, which comprises a device main body, a shovel plate, a crawler belt, a connecting rod, a drill bit, a supporting column, a first limiting plate, a connecting groove, a connecting block, a roller, a rotating shaft, a clamping block, a second limiting plate, a limiting rod, a lantern ring, a third spring, a clamping plate, a first mounting hole and a second mounting hole, wherein one side of the device main body is provided with the connecting rod, one end of the connecting rod is connected with the supporting column through a universal joint, the drill bit is installed at the top end of the supporting column, two sides of the supporting column are movably connected with a fixed cylinder through the rotating shaft, the roller is embedded in the central position inside of the fixed cylinder, a slide rail is installed inside the top end of the fixed cylinder, a fixed block is sleeved at the upper end of the slide rail, and, the practicability and the safety of the use are improved.

Description

Coal mining tunneling equipment with drill bit convenient to replace

Technical Field

The utility model relates to a heading equipment technical field specifically is a coal mining heading equipment of drill bit is conveniently changed.

Background

A heading machine is a machine for cutting roadways on a flat ground. It is mainly composed of a walking mechanism, a working mechanism, a loading and transporting mechanism and a transshipment 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 in work.

However, the coal mining tunneling equipment in the current market has the characteristics of convenience in replacing the drill bit, low drill bit loss and high safety. Therefore, it is necessary to design a coal mining tunneling device which is convenient for replacing the drill bit, small in drill bit loss and high in safety.

Disclosure of Invention

The utility model provides a conveniently change coal mining tunnelling equipment of drill bit can effectively solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a coal mining tunneling device convenient for replacing a drill bit comprises a device body, a shovel plate, a crawler belt, a connecting rod, a drill bit, a supporting column, a first limiting plate, a connecting groove, a connecting block, a roller, a rotating shaft, a clamping block, a fixed cylinder, a clamping groove, a first spring, a sliding rail, a second spring, a fixed block, a second limiting plate, a limiting rod, a sleeve ring, a third spring, a clamping plate, a first mounting hole and a second mounting hole, wherein the connecting rod is arranged on one side of the device body, one end of the connecting rod is connected with the supporting column through a universal joint, the drill bit is mounted at the top end of the supporting column, the fixed cylinder is movably connected with the two sides of the supporting column through the rotating shaft, the roller is embedded in the central position inside the fixed cylinder, the sliding rail is mounted inside the top end of the fixed cylinder, the fixed block is, the drilling equipment comprises a fixed block, a supporting column, a drill bit, a connecting block, a first spring, a second mounting hole, a crawler belt, a shovel plate, a second limiting plate, a limiting rod, a lantern ring, a clamping plate, a reinforcing rod and a first limiting plate, wherein the first mounting hole is formed in the fixed block, the clamping block is arranged on two sides of one end of the supporting column, the clamping groove is formed in one side of the clamping block, the connecting position of one end of the drill bit and the supporting column is provided with the connecting groove, the connecting block is arranged in the center of the connecting groove, the first spring is arranged at the connecting position of the connecting block and the clamping groove, the second mounting hole is formed in the connecting position of two sides of the outer portion of the drill bit and the first mounting hole, the crawler belt is mounted at the bottom end of the equipment main body, a third spring is embedded in the joint of the first limiting plate and the clamping plate, and the top end of the first limiting plate is movably connected to the outer wall of the bottom end of the supporting column through a universal joint.

Furthermore, thread grooves are formed in the first mounting hole and the second mounting hole, and the size models of the thread grooves are the same.

Furthermore, a rubber pad is adhered to the inner wall of the connecting groove.

Further, the diameter of the roller is the same as that of the fixed cylinder.

Further, the light is all installed to the both sides of connecting rod, and the protection casing is installed to the upper end of light.

Furthermore, 5cm gaps are reserved at the connecting positions of the two sides of the fixing block and the fixing cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses rational in infrastructure, convenience safe in utilization, through being provided with the gyro wheel, components such as pivot and fixed cylinder, for traditional entry driving machine, the change of drill bit is more convenient, and faster, and the security is high, be provided with the slide rail, components such as second spring and fixed block, in the use, the effectual shock attenuation effect that increases between drill bit and the support column, thereby the effectual long-term loss of using the drill bit that has reduced, the life of drill bit has been increased, be provided with components such as first limiting plate and second limiting plate, the effectual condition of avoiding drill bit and shovel board to appear colliding each other, the security of equipment principal has been improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a cross-sectional view of a drill bit of the present invention;

fig. 3 is a schematic structural diagram of the region a in fig. 2 according to the present invention;

fig. 4 is a schematic diagram of a first stop plate structure of the present invention;

reference numbers in the figures: 1. an apparatus main body; 2. a shovel plate; 3. a crawler belt; 4. a connecting rod; 5. a drill bit; 6. a support pillar; 7. a first limit plate; 8. connecting grooves; 9. connecting blocks; 10. a roller; 11. a rotating shaft; 12. a clamping block; 13. fixing the cylinder; 14. a card slot; 15. a first spring; 16. a slide rail; 17. a second spring; 18. a fixed block; 19. a second limiting plate; 20. a limiting rod; 21. a collar; 22. a third spring; 23. clamping a plate; 24. a first mounting hole; 25. and a second mounting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a technical scheme, a coal mining tunneling device convenient for replacing a drill bit, comprising a device main body 1, a shovel plate 2, a crawler 3, a connecting rod 4, a drill bit 5, a supporting column 6, a first limiting plate 7, a connecting groove 8, a connecting block 9, a roller 10, a rotating shaft 11, a clamping block 12, a fixed cylinder 13, a clamping groove 14, a first spring 15, a sliding rail 16, a second spring 17, a fixed block 18, a second limiting plate 19, a limiting rod 20, a lantern ring 21, a third spring 22, a clamping plate 23, a first mounting hole 24 and a second mounting hole 25, wherein one side of the device main body 1 is provided with the connecting rod 4, one end of the connecting rod 4 is connected with the supporting column 6 through a universal joint, the drill bit 5 is installed at the top end of the supporting column 6, both sides of the supporting column 6 are movably connected with the fixed cylinder 13 through the rotating, a slide rail 16 is arranged inside the top end of the fixed cylinder 13, a fixed block 18 is sleeved at the upper end of the slide rail 16, a second spring 17 is arranged at the joint of the fixed block 18 and the slide rail 16, a first mounting hole 24 is formed inside the fixed block 18, two sides of one end of the supporting column 6 are respectively provided with a fixture block 12, one side of the fixture block 12 is provided with a clamping groove 14, a connecting groove 8 is formed at the joint of one end of the drill bit 5 and the supporting column 6, a connecting block 9 is arranged at the center inside of the connecting groove 8, a first spring 15 is arranged at the joint of the connecting block 9 and the clamping groove 14, second mounting holes 25 are formed at the joints of the two outer sides of the drill bit 5 and the first mounting hole 24, a crawler 3 is arranged at the bottom end of the equipment main body 1, a shovel plate 2 is arranged below one side of the crawler 3 close to the supporting column 6, the outer wall of the limiting rod 20 is sleeved with a lantern ring 21, the top end of the limiting rod 20 is provided with a clamping plate 23, the top end of the clamping plate 23 is fixedly connected with a first limiting plate 7 through a reinforcing rod, a third spring 22 is embedded at the joint of the first limiting plate 7 and the clamping plate 23, the top end of the first limiting plate 7 is movably connected to the outer wall of the bottom end of the supporting column 6 through a universal joint, threaded grooves are formed in the first mounting hole 24 and the second mounting hole 25 respectively, the size and the model of the threaded grooves are the same, in order to replace the drill bit 5, a rubber pad is adhered to the inner wall of the connecting groove 8, in order to reduce the loss of the drill bit 5, the diameter of the roller 10 is the same as that of the fixed cylinder 13, in order to install the drill bit 5, the two sides of the connecting rod 4 are provided with illuminating lamps, the upper ends of the illuminating lamps are provided with protective covers, in, in order to increase the damping effect of the drill bit 5, when the drill bit 5 is replaced, the connecting block 9 and the connecting groove 8 at one end of the drill bit 5 are respectively aligned with the clamping groove 14 and the clamping block 12 at one end of the supporting column 6, the drill bit 5 is moved to slide along the roller 10 until the first mounting hole 24 and the second mounting hole 25 are overlapped with each other, the drill bit 5 and the supporting column 6 are fixed together through a stud, when the drill bit 5 is used, under the action of pressure, the drill bit 5 is displaced by 5cm in a left-right offset manner at the upper end of the sliding rail 16, and under the interaction of the second spring 17 and the first spring 15, the acting force of the drill bit 5 on the supporting column 6 is reduced, so that the loss of the drill bit 5 is reduced, the service life of the drill bit 5 is ensured, and simultaneously, when the drill bit 5 swings up and down, the limiting rod 20 can slide in the inner part of the lantern ring 21 along with the swing, because the distance between the clamping plate, therefore, the occurrence of collision of the drill 5 with the blade 2 is avoided, and the safety of the apparatus body 1 is ensured.

Claims (6)

1. The utility model provides a conveniently change coal mining tunnelling equipment of drill bit, including equipment main part (1), shovel board (2), track (3), connecting rod (4), drill bit (5), support column (6), first limiting plate (7), spread groove (8), connecting block (9), gyro wheel (10), pivot (11), fixture block (12), fixed cylinder (13), draw-in groove (14), first spring (15), slide rail (16), second spring (17), fixed block (18), second limiting plate (19), gag lever post (20), lantern ring (21), third spring (22), cardboard (23), first mounting hole (24) and second mounting hole (25), its characterized in that: one side of the equipment main body (1) is provided with a connecting rod (4), one end of the connecting rod (4) is connected with a supporting column (6) through a universal joint, a drill bit (5) is installed at the top end of the supporting column (6), two sides of the supporting column (6) are movably connected with a fixed cylinder (13) through a rotating shaft (11), a roller (10) is embedded in the central position inside the fixed cylinder (13), a sliding rail (16) is installed inside the top end of the fixed cylinder (13), a fixed block (18) is sleeved at the upper end of the sliding rail (16), a second spring (17) is installed at the joint of the fixed block (18) and the sliding rail (16), a first mounting hole (24) is formed inside the fixed block (18), clamping blocks (12) are arranged on two sides of one end of the supporting column (6), and a clamping groove (14) is formed in one, the connecting groove (8) is formed in the joint of one end of the drill bit (5) and the supporting column (6), the connecting block (9) is arranged in the center of the inside of the connecting groove (8), the first spring (15) is installed at the joint of the connecting block (9) and the clamping groove (14), the second mounting hole (25) is formed in the joint of the two outer sides of the drill bit (5) and the first mounting hole (24), the crawler (3) is installed at the bottom end of the equipment main body (1), the shovel plate (2) is installed on one side of the crawler (3) close to the lower portion of the supporting column (6), the second limiting plate (19) is welded at the top end of the shovel plate (2), the limiting rod (20) is welded at the upper end of the second limiting plate (19), the lantern ring (21) is sleeved on the outer wall of the limiting rod (20), and the clamping plate (23) is arranged at the top, the top of cardboard (23) passes through stiffener fixedly connected with first limiting plate (7), the junction embedding of first limiting plate (7) and cardboard (23) has third spring (22), the bottom outer wall of universal joint swing joint at support column (6) is passed through on the top of first limiting plate (7).

2. A coal mining excavation equipment that facilitates bit replacement as defined in claim 1, wherein: thread grooves are formed in the first mounting hole (24) and the second mounting hole (25), and the size and the model of the thread grooves are the same.

3. A coal mining excavation equipment that facilitates bit replacement as defined in claim 1, wherein: and a rubber pad is adhered to the inner wall of the connecting groove (8).

4. A coal mining excavation equipment that facilitates bit replacement as defined in claim 1, wherein: the diameter of the roller (10) is the same as that of the fixed cylinder (13).

5. A coal mining excavation equipment that facilitates bit replacement as defined in claim 1, wherein: the light is all installed to the both sides of connecting rod (4), and the protection casing is installed to the upper end of light.

6. A coal mining excavation equipment that facilitates bit replacement as defined in claim 1, wherein: 5cm gaps are reserved at the joints of the two sides of the fixed block (18) and the fixed cylinder (13).

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