CN-121976817-A - Tunneling and conveying integrated machine with impact cutting pick for assisting rock breaking

CN121976817ACN 121976817 ACN121976817 ACN 121976817ACN-121976817-A

Abstract

The invention discloses a tunnel tunneling and conveying integrated machine with an impact cutting pick for assisting in breaking rock, which comprises a travelling mechanism, a main body, a material conveying mechanism, a material receiving mechanism, a multidimensional adjusting mechanism, a rotary driving mechanism and a cutting head mechanism. The cutting head mechanism surface is equipped with the pick unit that distributes along spiral orbit, is equipped with energy storage rebound mechanism in the pick unit, stores and releases impact inertial kinetic energy through ball multilayer irregular arrangement, realizes the secondary broken rock, promotes cutting efficiency and hard rock adaptability. The multidimensional adjusting mechanism is cooperated with the hydraulic telescopic rod through the rotating base and the hydraulic cylinder, so that the operation range is enlarged. The material receiving mechanism comprises an angle-adjustable material containing plate and symmetrically arranged sweeping wheels, the sweeping wheels are used for buffering the pushing plate through springs to avoid collision damage, and an auxiliary feeding mechanism is arranged to enhance material conveying continuity. The invention realizes the recovery and utilization of impact kinetic energy, flexible and adjustable cutting range, and high-efficiency collection and transportation integration of materials, and is suitable for tunneling of high-hardness stratum tunnels.

Inventors

WANG HANYU
WU GENSHUI
YU WEIJIAN
WU FENGTAO
ZHENG CHANGLIN
Rong Gen
CHEN XIANLIN
ZHENG SHENGFU

Assignees

湖南科技大学

Dates

Publication Date: 20260505
Application Date: 20260123

Claims (10)

1. The tunneling and conveying integrated machine with the impact cutting pick for assisting in breaking rock is characterized by comprising a travelling mechanism (1), a main machine body (2), a material conveying mechanism (3), a material receiving mechanism (4), a multi-dimensional adjusting mechanism (5), a rotary driving mechanism (6) and a cutting head mechanism (7), wherein the material conveying mechanism (3) is arranged in an inner cavity of the main machine body (2), and the material receiving mechanism (4) is arranged on one side of the main machine body (2) and corresponds to an input end of the material conveying mechanism (3); The walking mechanism (1) is a crawler-type movable wheel, and the walking mechanism (1) is arranged on the lower surface of the main machine body (2); The multidimensional adjusting mechanism (5) comprises a rotating base (8), a supporting table (9), an adjusting plate (10) and a hydraulic cylinder (11), wherein the rotating base (8) is fixedly connected to the upper surface of the main machine body (2), the supporting table (9) is horizontally and rotatably connected to the surface of the rotating base (8), the adjusting plate (10) is rotatably connected to the surface of the supporting table (9), the hydraulic cylinder (11) is fixedly connected to the surface of the adjusting plate (10), and the telescopic end of the hydraulic cylinder (11) is fixedly connected with the rotary driving mechanism (6); Cutting head mechanism (7) are including cutting head main part (12) and a plurality of pick unit (13), cutting head main part (12) fixed connection is in the output of rotary drive mechanism (6), and is a plurality of pick unit (13) are in along at least one default spiral orbit distribution set up the surface of cutting head main part (12), the tip of pick unit (13) is all followed default spiral orbit orientation cutting head main part (12)'s top sets up, pick unit (13) are including mount pad (14), mount pad (15) and tooth head (16), mount pad (14) fixed connection is in cutting head main part (12) outside, mount pad (15) threaded connection is on mount pad (14), tooth head (16) rotate the tip of connecting at mount pad (15) to the inner chamber of mount pad (15) is provided with energy storage rebound mechanism, tooth head (16) are through energy storage rebound mechanism can rebound when receiving the impact force.
2. The tunneling and conveying integrated machine with the impact cutting pick for assisting in breaking rock, as claimed in claim 1, wherein the energy storage rebound mechanism comprises a plurality of balls (17), the balls (17) are irregularly arranged in multiple layers, and the lower end of the tooth head (16) is abutted against the balls (17).
3. The tunneling and conveying integrated machine with impact cutting pick auxiliary rock breaking function according to claim 2, wherein the diameters of the balls (17) can be the same or different, and the diameter of the balls (17) is smaller than the diameter of the tooth head (16).
4. The tunneling and conveying integrated machine with the impact cutting pick for assisting in breaking rock is characterized in that first hydraulic telescopic rods (18) are hinged to two sides of the supporting table (9), and telescopic ends of the first hydraulic telescopic rods (18) are hinged to the side face of the adjusting plate (10).
5. The tunneling and conveying integrated machine with the impact cutting pick for assisting in breaking rock is characterized in that an annular supporting frame (19) is fixedly connected to the outer surface of the rotary driving mechanism (6), an annular spray head array (20) is arranged on the surface of the annular supporting frame (19), and the annular spray head array (20) can spray out a water curtain of a cage cutting head mechanism (7).
6. The tunneling and conveying integrated machine with the impact cutting pick for assisting in breaking rock, as set forth in claim 1, wherein the material receiving mechanism (4) comprises a material containing plate (21), two power motors (22) and two sweeping wheels (23), the material containing plate (21) is rotationally connected to the front end of the main machine body (2), the two power motors (22) are fixedly connected to the lower surface of the material containing plate (21), the two sweeping wheels (23) are rotationally connected to the upper surface of the material containing plate (21) and are symmetrical with respect to the central line of the material containing plate (21), and the sweeping wheels (23) are in transmission connection with the output end of the power motors (22).
7. The tunneling and conveying integrated machine with the impact cutting pick for assisting in breaking rock, which is characterized in that two sides of the front end of the main machine body (2) are hinged with second hydraulic telescopic rods (24), and telescopic ends of the second hydraulic telescopic rods (24) are hinged to the lower surface of a material containing plate (21).
8. The tunneling and conveying integrated machine with impact cutting pick auxiliary rock breaking function according to claim 6, wherein the sweeping wheel (23) comprises a center cap (25), four springs (26) and four pushing plates (27), the four springs (26) are fixedly connected to the inner wall of the center cap (25) in an annular array, one ends of the four pushing plates (27) are fixedly connected with the end parts of the four springs (26) respectively, the other ends of the four pushing plates (27) penetrate through the outer side of the center cap (25), and the end parts of the pushing plates (27) pass through the center line of the containing plate (21).
9. The tunneling and conveying integrated machine with impact cutting pick auxiliary rock breaking function according to claim 8, wherein an auxiliary feeding mechanism (28) driven by a pushing plate (27) is arranged on the rear end surface of the material containing plate (21), the auxiliary feeding mechanism (28) comprises two supporting rollers (29), a conveying belt (30) and a plurality of pairs of limit baffles (31), the two supporting rollers (29) are rotatably connected to the inner wall of the rear end of the material containing plate (21), the conveying belt (30) is sleeved on the outer side of the two supporting rollers (29), the plurality of pairs of limit baffles (31) are fixedly connected to the outer surface of the conveying belt (30) at equal intervals, and the end portions of the pushing plate (27) correspond to the limit baffles (31).
10. The tunneling and conveying integrated machine with the impact cutting pick for assisting in breaking rock according to claim 8 or 9, wherein two mutually symmetrical rebound boards (32) are fixedly connected to the outer side of one end of the pushing plate (27) close to the center cap (25).

Description

Tunneling and conveying integrated machine with impact cutting pick for assisting rock breaking Technical Field The invention relates to the technical field of heading machines, in particular to a roadway tunneling and conveying integrated machine with impact cutting picks for assisting in breaking rocks. Background The tunneling machine is totally called a tunnel tunneling machine, and is a large-scale mechanical device specially used for tunneling operation under the ground. The method is mainly applied to various underground engineering construction fields, such as excavation of subway tunnels, construction of roller tunnels, exploitation of underground mines and the like. The tunneling machine has strong excavation capability, and can efficiently and stably perform tunneling work under different geological conditions, such as soft soil stratum, rock stratum and the like. The working principle is that the rock and soil body in front is crushed and excavated through the rotation of the cutter head and the action of the propulsion system, and meanwhile, the slag soil generated by excavation is conveyed to the rear through the slag discharging system. The development of the heading machine greatly improves the efficiency and safety of underground engineering construction, and reduces the labor intensity and risk of manual excavation. The cutting head is core equipment of the heading machine, when cutting operation is carried out, the cutting head can swing up and down, at the moment, the rock wall is broken by the digging teeth of the rotary cutting head by utilizing a power transmission principle, but the inertial impact force of the up-and-down movement of the cutting teeth of the cutting head is not effectively utilized, so that most of output power loss is caused. In addition, when the high-hardness rock mass is broken or the high-strength coal seam is excavated, the problems of passivation of the cutting edge of the tooth tip, breakage of the tooth body, falling of the tooth seat and the like are easy to occur, so that the excavation efficiency is reduced. In addition, in the tunneling process, slag soil materials are easily accumulated at the front end of the tunneling machine, so that tunneling work is influenced. In order to solve the problems, the invention provides a tunnel tunneling and conveying integrated machine with an impact cutting pick for assisting in breaking rock. Disclosure of Invention The invention aims to provide a tunnel tunneling and conveying integrated machine with an impact cutting pick for assisting in breaking rock, so as to solve the problems in the background art. The invention provides a roadway tunneling and conveying integrated machine with an impact cutting pick for assisting in breaking rock, which comprises a travelling mechanism, a main body, a material conveying mechanism, a material receiving mechanism, a multi-dimensional adjusting mechanism, a rotary driving mechanism and a cutting head mechanism, wherein the material conveying mechanism is arranged in an inner cavity of the main body, and the material receiving mechanism is arranged on one side of the main body and corresponds to an input end of the material conveying mechanism; the travelling mechanism is a crawler-type movable wheel and is arranged on the lower surface of the main body; The multidimensional adjusting mechanism comprises a rotating base, a supporting table, an adjusting plate and a hydraulic cylinder, wherein the rotating base is fixedly connected to the upper surface of the main machine body, the supporting table is horizontally and rotatably connected to the surface of the rotating base, the adjusting plate is rotatably connected to the surface of the supporting table, the hydraulic cylinder is fixedly connected to the surface of the adjusting plate, and the telescopic end of the hydraulic cylinder is fixedly connected with the rotary driving mechanism; The cutting head mechanism comprises a cutting head main body and a plurality of cutting pick units, the cutting head main body is fixedly connected to the output end of the rotary driving mechanism, the cutting pick units are distributed and arranged on the surface of the cutting head main body along at least one preset spiral track, the end parts of the cutting pick units face the top end of the cutting head main body along the preset spiral track, the cutting pick units comprise a mounting seat, a tooth seat and a tooth head, the mounting seat is fixedly connected to the outer side of the cutting head main body, the tooth seat is in threaded connection with the mounting seat, the tooth head is rotationally connected to the end part of the tooth seat, an energy storage rebound mechanism is arranged in an inner cavity of the tooth seat, and the tooth head can rebound through the energy storage rebound mechanism when receiving impact force. Preferably, the energy storage rebound mechanism comprises a plurality of balls, the balls are irregular