CN220434636U

CN220434636U - Tunnel drilling machine

Info

Publication number: CN220434636U
Application number: CN202321933692.6U
Authority: CN
Inventors: 乐发明; 何豹; 陈传洪; 李正德; 陈姝君
Original assignee: Chongqing Honggong Engineering Machinery Co ltd
Current assignee: Chongqing Honggong Engineering Machinery Co ltd
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2024-02-02
Anticipated expiration: 2033-07-21

Abstract

The utility model relates to the technical field of tunnel drilling, in particular to a tunnel drilling machine, which comprises a machine body, a drilling frame, a telescopic component, a coring and crushing mechanism, a coring bit, a rotary seat, a drilling cylinder, a down-the-hole bit, an impact post, a connecting rod, a connecting sleeve, a water inlet sleeve, a driving motor, a water passing hole and a water passing groove, wherein a lifting portal frame is arranged at the head of the machine body, the drilling frame is arranged at the sliding end of the lifting portal frame, the coring mechanism is arranged on the drilling frame, and the coring and crushing mechanism is arranged at the top of the drilling frame; the drilling frame of the device is provided with the coring mechanism and the two coring breaking mechanisms, a plurality of holes can be drilled at one time in the construction process, the construction efficiency is greatly improved, the coring breaking mechanisms can directly break rock after coring in the coring process, the use of the device in the construction of special geological structures is greatly facilitated, the breaking mechanisms are not required to be additionally arranged, the equipment investment is reduced, the working efficiency is improved, the construction time is shortened, and the popularization and the use are facilitated.

Description

Tunnel drilling machine

Technical Field

The utility model relates to the technical field of tunnel drilling, in particular to a tunnel drilling machine.

Background

A tunnel boring machine is a special device for excavating tunnels. It is commonly used to construct underground tunnels, including roads, railways, subways, hydraulic engineering, and the like. The tunnel drilling machine adopts a rotary drill bit and a cutter to cut underground rock and soil so as to dig an underground passage, has the characteristics of high efficiency, reduced manual labor and reduced surface interference, and the Chinese patent of publication No. CN216342157U announces a portal type small tunnel core drilling machine on the year 11 and the month 09 of 2021, which ensures the drilling stability, avoids the drilling barrel from jumping due to unbalanced stress so as to increase abrasion, and prolongs the service life of the drilling barrel; during practical construction, the drilling machine can only drill holes once generally, and when a special geological structure is met, a crusher is also required to crush drilling rocks to ensure normal drilling, so that the drilling machine has lower working efficiency and certain defects.

Disclosure of Invention

The utility model aims to provide a tunnel drilling machine so as to solve the technical problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the tunnel drilling machine comprises a machine body with a crawler, wherein a lifting portal frame is arranged at the head of the machine body, a drilling frame is arranged at the sliding end of the lifting portal frame, an execution frame is arranged at the top of the drilling frame, a coring mechanism is arranged on the execution frame, two telescopic components are symmetrically arranged on the top of the drilling frame with respect to the coring mechanism, coring crushing mechanisms are arranged on the two telescopic components, and the two telescopic components and the coring mechanism are arranged on two sides in parallel;

the coring crushing mechanism consists of a coring bit, a rotary seat, a drilling barrel, a down-the-hole bit, a shock post, a connecting rod, a connecting sleeve, a water inlet sleeve and a driving motor, wherein an output shaft of the driving motor is fixedly connected with an input end of the rotary seat, an output end of the rotary seat is fixedly connected with one end of the water inlet sleeve, a water inlet nozzle is arranged on the water inlet sleeve, the other end of the water inlet sleeve is connected with one end of the drilling barrel through the connecting sleeve, the coring bit is fixedly connected with the other end of the drilling barrel, the central part of the surface of one end of the water inlet sleeve is fixedly connected with the connecting rod, one end of the connecting rod, far away from the connecting rod, is fixedly connected with the shock post, the connecting rod and the down-the-hole bit are all positioned in the drilling barrel, the rotary seat consists of a shell, a bearing and the shaft, the bearing is fixedly arranged in the shell, the shaft is fixedly sleeved on an inner ring of the bearing, the output end of the driving motor is fixedly connected with one end of the shaft, and the connecting sleeve of the other end of the shaft is fixedly connected with the connecting sleeve.

Preferably, flanges are welded at one ends of the connecting sleeve, the water inlet sleeve and the drilling cylinder, the connecting sleeve, the water inlet sleeve and the drilling cylinder are fixed through bolts, the water inlet sleeve is connected with the connecting sleeve taper screw thread, the connecting sleeve is connected with the connecting rod taper screw thread, and the connecting rod is connected with the impact post taper screw thread.

Preferably, water passing holes are formed in the periphery of the connecting sleeve, water passing grooves are formed in the impact column, the connecting rod and the connecting sleeve, water outlet holes are formed in the down-the-hole drill bit, after the water inlet sleeve is externally connected with a water pipe, water flows through the water outlet holes and the water passing grooves, finally flows out of the water outlet holes of the coring bit, the driving motor works to drive the drill barrel to impact the column to rotate, and corresponding potential difference exists between the down-the-hole drill bit and the coring bit.

Preferably, the telescopic component comprises a track frame, a power motor, a sliding block, gears and chains, the gears are arranged at two ends of the track frame, the gears at two ends of the track frame are meshed with one chain, two ends of the chain are fixedly connected to the sliding block through a chain buckle, the sliding block is slidably mounted on the track frame, a rotating seat is mounted above the sliding block component, the tail end of the rotating seat is connected with the driving motor, and the rotating seat is fixed to the sliding block component through bolts. The head end and the tail end of the sliding block assembly are provided with chain buckles, the chain buckles are connected with chains, the chains connected with the tail end are meshed with chain wheels on a chain wheel box power set behind a drilling frame of the coring and crushing mechanism, and an internal power motor provides power for rotation so as to drive the chains to move.

Preferably, the engine body is provided with a fuel engine and a hydraulic station, an organic housing is arranged outside the hydraulic station, the housing adopts a cover-opening type, and the upper end part can be opened when the engine cover is overhauled. The bottom of the hydraulic station is provided with a rectangular tube, the upper end of the rectangular tube is provided with a pin hole, the hydraulic station is arranged on the frame through a pin, and whether the hydraulic station is arranged or not can be reasonably selected according to the requirements of a construction site.

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

the utility model has ingenious structure, the coring mechanism and the two coring crushing mechanisms are arranged on the drilling frame of the device, a plurality of holes can be drilled at one time in the construction process, the construction efficiency is greatly improved, the coring crushing mechanisms can directly crush the rock after coring in the coring process, the use of the special geological structure in construction is greatly facilitated, the additional crushing mechanisms are not needed, the equipment investment is reduced, the working efficiency is improved, the construction time is shortened, and the popularization and the use are facilitated.

Drawings

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

FIG. 2 is a schematic perspective view of a coring breaking mechanism according to the present utility model;

FIG. 3 is a schematic view of the coring breaking mechanism of the present utility model in a front cross-sectional configuration;

FIG. 4 is a schematic top cross-sectional view of the coring breaking mechanism of the present utility model.

In the figure: 1. a body; 2. a drill frame; 3. a telescoping assembly; 4. coring and crushing mechanism; 5. a hydraulic station, 41, a coring bit; 42. a swivel base; 43. drilling a cylinder; 44. a down-the-hole drill bit; 45. an impact post; 46. a connecting rod; 47. connecting sleeves; 48. a water inlet sleeve; 49. a drive motor; 410. a water passing hole; 411. and (5) passing through a water tank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 4, the present utility model provides the following technical solutions: the utility model provides a tunnel boring machine, including the organism 1 that has the track, the locomotive department of organism 1 is provided with the lift portal, install drilling carriage 2 on the slip end of lift portal, the top of drilling carriage 2 is provided with the execution frame, install coring mechanism on the execution frame, coring mechanism mainly comprises the drill bit of coring, bore section of thick bamboo, the tooth case, a motor, push away core mechanism, the tooth case, the motor provides rotary power for boring the section of thick bamboo, respectively be equipped with the propulsion hydro-cylinder at the inboard both ends of drilling carriage, tooth case 3 both sides are equipped with the slipper, drilling carriage 2 upper end is equipped with the silver-colored steel needle, the propulsion hydro-cylinder drives whole coring mechanism and advances, inside is equipped with pushes away the core device, the rock that will take out is pushed out and is bored a section of thick bamboo, coring mechanism and lift portal structure and theory of operation and published patent: portal type small tunnel core drilling machine patent number: 2021227227599 are identical in structure and are not described in detail herein, the top of the drilling frame 2 is provided with two telescopic assemblies 3, and coring breaking mechanisms 4 are arranged on the two telescopic assemblies 3; the coring breaking mechanism 4 consists of a coring bit 41, a rotary seat 42, a drill cylinder 43, a down-the-hole bit 44, an impact post 45, a connecting rod 46, a connecting sleeve 47, a water inlet sleeve 48 and a driving motor 49, wherein an output shaft of the driving motor 49 is fixedly connected with an input end of the rotary seat 42, an output end of the rotary seat 42 is fixedly connected with one end of the water inlet sleeve 48, the other end of the water inlet sleeve 48 is connected with one end of the drill cylinder 43 through the connecting sleeve 47, the coring bit 41 is fixedly connected with the other end of the drill cylinder 43, the connecting rod 46 is fixedly connected with the center of the surface of one end of the water inlet sleeve 48, one end of the connecting rod 46, away from the connecting sleeve 47, is fixedly connected with the impact post 45, one end of the impact post 45, away from the connecting rod 46, is fixedly connected with the down-hole bit 44, and the impact post 45, the impact post 46 and the down-hole bit 44 are all positioned inside the drill cylinder 43.

Preferably, the flange is welded at one end of the connecting sleeve 47, the water inlet sleeve 48 and the drill barrel 43, the connecting sleeve 47, the water inlet sleeve 48 and the flange of the drill barrel 43 are fixed through bolts, the water inlet sleeve 48 is connected with the taper screw thread of the connecting rod 47, the taper screw thread of the connecting rod 46 is connected with the taper screw thread of the impact column 45, water passing holes 410 are formed in the periphery of the connecting sleeve 47, the impact column 45, the connecting rod 46 and the connecting sleeve 47 are internally provided with water passing grooves 411, and water outlet holes are formed in the down-the-hole drill bit 44, so that water enters the water inlet sleeve 48 and flows out of the coring drill bit 41, dust fall and lubrication effect on the drill bit are achieved, the driving motor 49 works to drive the drill barrel 43 to rotate the impact column 45, potential difference exists between the impact column 45 and the coring drill bit 41, and the structure does not need coring, and broken stone obtained by the down-hole drill bit 44 at the end of the impact column 45 is directly used for impacting and crushing broken stone.

Further, the telescopic component 3 comprises a track frame, a power motor, a sliding block, gears and chains, the gears are arranged at two ends of the track frame, the gears at two ends of the track frame are meshed with one chain, two ends of the chain are fixedly connected to the sliding block through a chain buckle, the sliding block is slidably arranged on the track frame, a rotating seat is arranged above the sliding block component, and the tail end of the rotating seat is connected with the driving motor and is fixed to the sliding block component through bolts. The chain is meshed with a chain wheel on a chain wheel box power set behind the drill frame of the coring and crushing mechanism, and an internal power motor provides power for rotation so as to drive the chain to move.

Further, be provided with fuel engine and hydraulic pressure station 5 on organism 1, the outside of hydraulic pressure station 5 is provided with the organic housing, and the hood shell adopts uncapping, can open upper end portion when meetting the maintenance, and hydraulic pressure station 5 bottom is equipped with the quarter bend, and the quarter bend upper end is equipped with the pin hole, can rationally select whether to install hydraulic pressure station 5 according to construction site needs.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A tunnel boring machine, comprising a machine body with a track, characterized in that: the machine body comprises a machine body, wherein a machine head is provided with a lifting portal, a drilling frame is arranged at the sliding end of the lifting portal, an execution frame is arranged at the top of the drilling frame, a coring mechanism is arranged on the execution frame, two telescopic components are symmetrically arranged on the top of the drilling frame and are symmetrically arranged about the coring mechanism, coring crushing mechanisms are arranged on the two telescopic components, and the two telescopic components and the coring mechanism are arranged on two sides in parallel;

the coring crushing mechanism consists of a coring bit, a rotary seat, a drilling barrel, a down-the-hole bit, an impact post, a connecting rod, a connecting sleeve, a water inlet sleeve and a driving motor, wherein an output shaft of the driving motor is fixedly connected with an input end of the rotary seat, an output end of the rotary seat is fixedly connected with one end of the water inlet sleeve, the other end of the water inlet sleeve is connected with one end of the drilling barrel through the connecting sleeve, the coring bit is fixedly connected with the other end of the drilling barrel, a connecting rod is fixedly connected with the center of a face of one end of the water inlet sleeve, one end of the connecting rod, far away from the connecting sleeve, is fixedly connected with the impact post, one end of the impact post, the connecting rod and the down-the-hole bit are all positioned inside the drilling barrel.

2. The tunnel boring machine according to claim 1, wherein: the connecting sleeve, the water inlet sleeve and one end of the drilling cylinder are welded with flanges, the connecting sleeve, the water inlet sleeve and the drilling cylinder are fixed through bolts, the water inlet sleeve is connected with the connecting sleeve taper screw thread, the connecting sleeve is connected with the connecting rod taper screw thread, and the connecting rod is connected with the impact post taper screw thread.

3. The tunnel boring machine according to claim 1, wherein: water passing holes are formed in the periphery of the connecting sleeve, water passing grooves are formed in the impact column, the connecting rod and the connecting sleeve, and water outlet holes are formed in the down-the-hole drill bit.

4. The tunnel boring machine according to claim 1, wherein: the telescopic component comprises a track frame, a power motor, a sliding block, gears and a chain, wherein the gears are arranged at two ends of the track frame, the gears at two ends of the track frame are meshed with one chain, two ends of the chain are fixedly connected to the sliding block through a chain buckle, the sliding block is slidably mounted on the track frame, a rotary seat of the coring crushing mechanism is fixedly mounted at the top of the sliding block, and power Ma Dagu is mounted at one end of the track frame.

5. The tunnel boring machine according to claim 1, wherein: the engine body is provided with a fuel engine and a hydraulic station, an organic housing is arranged outside the hydraulic station, a rectangular tube is arranged at the bottom of the hydraulic station, a pin hole is formed in the upper end of the rectangular tube, and the hydraulic station is installed on the frame through a bolt.