Energy-saving and low-wear heading machine for mining engineering

By designing a water pump in the tunneling machine to deliver water to the drill bit circulation channel and using a sealed structure to cool it down, the wear problem caused by heat accumulation in the drill bit was solved, achieving low wear and efficient cooling of the tunneling machine.

CN115788445BActive Publication Date: 2026-01-02GUIZHOU DONGFENG ENTERPRISE GRP CO LTD
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Patent Information

Application Number
CN202211341453.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-31
Publication Date
2026-01-02
Estimated Expiration
2042-10-31

AI Technical Summary

Technical Problem

During operation, the drill bit of the tunneling machine generates heat that cannot be dissipated in time, leading to wear and affecting work efficiency. In addition, the poor water spraying effect affects the working environment.

Method used

A tunneling machine was designed that uses a water pump to deliver water to the internal circulation channel of the drill bit, uses drainage holes and outlets for cooling, and uses sealing rings and sealing rings to ensure the water flow is sealed, so as to achieve water recycling for cooling.

Benefits of technology

It effectively reduces drill bit wear, ensures drill bit strength, avoids water spraying affecting the working environment of the tunneling machine, and realizes water recycling.

✦ Generated by Eureka AI based on patent content.

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    Figure CN115788445B_ABST
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Abstract

The application relates to the technical field of heading machines, and discloses an energy-saving low-abrasion heading machine for mining engineering, which comprises a machine body, the side wall of the machine body is provided with a driving arm, the end of the driving arm is rotationally connected with a rotating shaft, the end, away from the driving arm, of the rotating shaft is fixedly connected with a drill bit, the top end of the machine body is provided with a water tank, the side wall of the water tank is provided with a water pump, the side wall of the water pump is provided with a threaded water pipe, the end, away from the water pump, of the threaded water pipe is fixedly connected with a water delivery pipe, the water delivery pipe extends to the side of the driving arm, away from the drill bit, the inside of the drill bit is provided with a circulating channel, the inside of the rotating shaft is provided with a drainage hole, and the circulating channel and the drainage hole are communicatively arranged. The energy-saving low-abrasion heading machine for mining engineering can cool the drill bit of the heading machine without affecting the working environment of the heading machine, thereby reducing abrasion and ensuring the working of the heading machine.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heading machine, in particular to a kind of energy-saving low abrasion heading machine for mining engineering. BACKGROUND

[0002] Heading machine is used for straight ground to dig roadway machine. Heading machine type is multiple: according to operating object is divided into ordinary machine and tunnel heading machine;According to operating mode is divided into open type heading machine and shield heading machine.

[0003] At present, in the use process of heading machine, drill bit will produce certain heat in the working process, heat accumulation cannot be discharged in time after long time work, will influence the working intensity of drill bit, thereby will cause certain abrasion to drill bit, and the effect of water spraying on drill bit surface is poor, and will influence the working environment of heading machine. SUMMARY

[0004] (1) technical problem solved

[0005] In view of the deficiencies of prior art, the present application provides a kind of energy-saving low abrasion heading machine for mining engineering, which can cool drill bit of heading machine without affecting working environment of heading machine, thereby reducing abrasion, and ensuring the working of heading machine, solve the problem that drill bit will produce certain heat in the working process, heat accumulation cannot be discharged in time after long time work, will influence the working intensity of drill bit, thereby will cause certain abrasion to drill bit, influence the working of heading machine.

[0006] (2) technical scheme

[0007] To achieve the above purpose, the present application provides the following technical scheme: a kind of energy-saving low abrasion heading machine for mining engineering, including body, the side wall of the body is equipped with driving arm, the end of the driving arm is rotatably connected with the shaft, the end of the shaft away from the driving arm is fixedly connected with drill bit, the top of the body is equipped with water tank, the side wall of the water tank is equipped with water pump, the side wall of the water pump is equipped with threaded water pipe, the end of the threaded water pipe away from the water pump is fixedly connected with water delivery pipe, the water delivery pipe extends to the side of driving arm relative to drill bit, the inside of the drill bit is equipped with circulation channel, the inside of the shaft is equipped with drain hole, the circulation channel is communicated with drain hole, the inner wall of the shaft in drain hole is equipped with water outlet, the inner wall of the driving arm in water outlet is equipped with drain pipe, the side wall of the driving arm is equipped with heat dissipation grid piece, the inside of the heat dissipation grid piece is equipped with curved pipe, the drain pipe is fixedly connected in one end of curved pipe, the end of the curved pipe away from the drain pipe is fixedly connected with return pipe, the return pipe is fixedly connected on the side wall of water tank.

[0008] Preferably, one end of the driving arm is provided with a first sealing ring relative to the drill bit, the drill bit is provided with a groove in the inner wall of one side relative to the driving arm, the inner wall of the groove is provided with a second sealing ring, the side wall of the first sealing ring is fixedly connected with a sealing ring, and the inner wall of the second sealing ring is provided with an annular sliding groove.

[0009] Preferably, the shaft is provided with a sealing baffle ring on the shaft wall of the water outlet, and the driving arm is provided with an annular groove in the inner wall of the sealing baffle ring.

[0010] Preferably, the end of the driving arm is provided with a protective cover, and the outer side of the protective cover is provided as a curved surface.

[0011] Preferably, the side wall of the driving arm is provided with a fixing seat, and the connection between the threaded water pipe and the water delivery pipe is arranged on the inner wall of the fixing seat.

[0012] Preferably, the pipe wall of the return pipe is provided with a plurality of fixing buckles, the fixing buckles are fixedly connected to the side wall of the machine body, and the bottom of the machine body is hingedly provided with a protective plate.

[0013] Preferably, the surface of the drill bit is provided with a plurality of crushing teeth.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the present application provides an energy-saving and low-wear tunneling machine for mining engineering, which has the following beneficial effects:

[0016] 1. The energy-saving and low-wear tunneling machine for mining engineering, through the water pump, the water in the water tank is pumped out, the threaded water pipe and the water delivery pipe are delivered into the circulating channel inside the drill bit, the drill bit can be cooled, the strength of the drill bit is guaranteed, and the wear of the drill bit is reduced.

[0017] 2. The energy-saving and low-wear tunneling machine for mining engineering, through the sealing ring on the side wall of the first sealing ring sliding along the annular groove in the inner wall of the second sealing ring, the sealing effect of the water flowing into the circulating channel inside the water delivery pipe can be guaranteed, and the sealing baffle ring can guarantee the sealing effect of the water flowing into the drain pipe through the drain hole. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A structure schematic view of the energy-saving and low-wear tunneling machine for mining engineering is provided.

[0019] Figure 2 A structure enlarged view of part A. Figure 1

[0020] Figure 3 Figure 1 ​​a B part structure zoomed in view of

[0021] Figure 4 a C part structure zoomed in view of Figure 1

[0022] In the figure: 1 body, 2 driving arm, 3 rotating shaft, 4 drill bit, 5 water tank, 6 water pump, 7 threaded water pipe, 8 water delivery pipe, 9 circulation channel, 10 drainage hole, 11 drainage pipe, 12 heat dissipation fin, 13 curved pipe, 14 backflow pipe, 15 first sealing ring, 16 second sealing ring, 17 sealing ring, 18 sealing blocking ring, 19 protective cover, 20 fixed seat, 21 fixed buckle, 22 guard plate, 23 crushing tooth. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in 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 in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-4 An energy-saving and low-wear heading machine for mining engineering comprises a body 1, the side wall of the body 1 is provided with a driving arm 2, the end of the driving arm 2 is rotationally connected with a rotating shaft 3, the end of the rotating shaft 3 away from the driving arm 2 is fixedly connected with a drill bit 4, the top end of the body 1 is provided with a water tank 5, the side wall of the water tank 5 is provided with a water pump 6, the side wall of the water pump 6 is provided with a threaded water pipe 7, the end of the threaded water pipe 7 away from the water pump 6 is fixedly connected with a water delivery pipe 8, the water delivery pipe 8 extends to the side of the driving arm 2 relative to the drill bit 4, the inside of the drill bit 4 is provided with a circulation channel 9, the inside of the rotating shaft 3 is provided with a drainage hole 10, the circulation channel 9 and the drainage hole 10 are communicatively arranged, the inner wall of the rotating shaft 3 at the drainage hole 10 is provided with a water outlet, the inner wall of the driving arm 2 at the water outlet is provided with a drainage pipe 11, the side wall of the driving arm 2 is provided with a heat dissipation fin 12, the inside of the heat dissipation fin 12 is provided with a curved pipe 13, the drainage pipe 11 is fixedly connected to one end of the curved pipe 13, the end of the curved pipe 13 away from the drainage pipe 11 is fixedly connected with a backflow pipe 14, and the backflow pipe 14 is fixedly connected to the side wall of the water tank 5.

[0025] ​One end of the driving arm 2 relative to the drill bit 4 is provided with a first sealing ring 15, the inner wall of one side of the drill bit 4 relative to the driving arm 2 is provided with a groove, the inner wall of the drill bit 4 located in the groove is provided with a second sealing ring 16, the side wall of the first sealing ring 15 is fixedly connected with a sealing ring 17, the inner wall of the second sealing ring 16 is provided with an annular sliding groove, the sealing ring 17 is slidingly arranged on the inner wall of the annular sliding groove, the shaft wall of the rotating shaft 3 located at the water outlet is provided with a sealing baffle ring 18, the inner wall of the driving arm 2 located at the sealing baffle ring 18 is provided with an annular groove, the sealing baffle ring 18 is slidingly arranged on the inner wall of the annular groove, the end of the driving arm 2 is provided with a protective cover 19, and the outer side of the protective cover 19 is provided as a curved surface.

[0026] The side wall of the driving arm 2 is provided with a fixed seat 20, the connection between the threaded water pipe 7 and the water delivery pipe 8 is arranged on the inner wall of the fixed seat 20, a plurality of fixed buckles 21 are arranged on the pipe wall of the return pipe 14, the fixed buckles 21 are fixedly connected to the side wall of the machine body 1, the bottom of the machine body 1 is hingedly provided with a protective plate 22, and the surface of the drill bit 4 is provided with a plurality of crushing teeth 23.

[0027] In summary, the energy-saving and low-wear tunneling machine for mining engineering can ensure normal operation of the tunneling machine when in use by driving the rotating shaft 3 and the drill bit 4 to rotate through the driving arm 2, can cool the drill bit 4 by pumping water in the water tank 5 out through the water pump 6, conveying the water to the circulating channel 9 inside the drill bit 4 through the threaded water pipe 7 and the water delivery pipe 8, can ensure the strength of the drill bit 4 and reduce the wear of the drill bit 4, and the water in the circulating channel 9 flows out to the outside of the rotating shaft 3 through the drain hole 10 and the water outlet, so that the water can flow into the inside of the curved pipe 13 through the drain pipe 11, and then flow back to the inside of the water tank 5 through the return pipe 14 after heat dissipation through the heat dissipation fins 12, so that the circulation of water can be ensured, and the waste of resources can be reduced, and at the same time, the use of the tunneling machine will not be affected because the water sprayed on the outside causes the ash to adhere to the drill bit 4, the sealing ring 17 on the side wall of the first sealing ring 15 can slide along the annular groove in the inner wall of the second sealing ring 16, so that the sealing effect of the water flowing from the water delivery pipe 8 into the circulating channel 9 can be ensured, and the sealing baffle ring 18 can ensure the sealing effect of the water flowing into the drain pipe 11 through the drain hole 10.

[0028] It should be noted that the term "comprising" or any other variation thereof is intended to cover non-exclusive inclusions, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

[0029] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. An energy-saving and low-wear heading machine for mining engineering, comprising a machine body (1), characterized in that: The side wall of the fuselage (1) is provided with a driving arm (2), the end of the driving arm (2) is rotatably connected with a rotating shaft (3), one end of the rotating shaft (3) away from the driving arm (2) is fixedly connected with a drill bit (4), the top end of the fuselage (1) is provided with a water tank (5), the side wall of the water tank (5) is provided with a water pump (6), the side wall of the water pump (6) is provided with a threaded water pipe (7), one end of the threaded water pipe (7) away from the water pump (6) is fixedly connected with a water delivery pipe (8), the water delivery pipe (8) extends to one side of the driving arm (2) relative to the drill bit (4), the inside of the drill bit (4) is provided with a circulating channel (9), the inside of the rotating shaft (3) is provided with a drain hole (10), the circulating channel (9) and the drain hole (10) are in communication, the inner wall of the rotating shaft (3) located in the drain hole (10) is provided with a water outlet, the inner wall of the driving arm (2) located in the water outlet is provided with a drain pipe (11), the side wall of the driving arm (2) is provided with a heat dissipation fin (12), the inside of the heat dissipation fin (12) is provided with a curved pipe (13), the drain pipe (11) is fixedly connected to one end of the curved pipe (13), one end of the curved pipe (13) away from the drain pipe (11) is fixedly connected with a return pipe (14), the return pipe (14) is fixedly connected to the side wall of the water tank (5); One end of the driving arm (2) relative to the drill bit (4) is provided with a first sealing ring (15), the inner wall of one side of the drill bit (4) relative to the driving arm (2) is provided with a groove, the inner wall of the drill bit (4) located in the groove is provided with a second sealing ring (16), the side wall of the first sealing ring (15) is fixedly connected with a sealing ring (17), the inner wall of the second sealing ring (16) is provided with an annular sliding groove, the sealing ring (17) is slidingly arranged in the inner wall of the annular sliding groove. The rotating shaft (3) located in the shaft wall of the water outlet is provided with a sealing baffle ring (18), the driving arm (2) located in the inner wall of the sealing baffle ring (18) is provided with an annular groove, the sealing baffle ring (18) is slidingly arranged in the inner wall of the annular groove.

2. The energy-saving and low-wear heading machine for mining engineering according to claim 1, characterized in that: The end of the driving arm (2) is provided with a protective cover (19), the outer side of the protective cover (19) is provided as a curved surface.

3. The energy-saving and low-wear heading machine for mining engineering according to claim 1, characterized in that: The side wall of the driving arm (2) is provided with a fixing seat (20), the connection between the threaded water pipe (7) and the water delivery pipe (8) is arranged in the inner wall of the fixing seat (20).

4. The energy-saving and low-wear heading machine for mining engineering according to claim 1, characterized in that: The pipe wall of the return pipe (14) is provided with a plurality of fixing buckles (21), the fixing buckles (21) are fixedly connected to the side wall of the fuselage (1), the bottom of the fuselage (1) is hingedly provided with a protective plate (22).

5. The energy-saving and low-wear heading machine for mining engineering according to claim 1, characterized in that: The surface of the drill bit (4) is provided with a plurality of crushing teeth (23).

Citation Information

Patent Citations

  • Dust-free heading machine

    CN204002793U

  • Novel energy-saving low-abrasion heading machine for mining engineering

    CN216157658U