CN217558318U

CN217558318U - Movable rock crushing device for tunnel construction

Info

Publication number: CN217558318U
Application number: CN202221691555.1U
Authority: CN
Inventors: 侯占鳌; 杨九林; 邹文万; 张辉
Original assignee: China Railway Tunnel Group Co Ltd CRTG; China Railway Tunnel Group Yichu Co Ltd
Current assignee: China Railway Tunnel Group Co Ltd CRTG; China Railway Tunnel Group Yichu Co Ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-10-11
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a tunnel construction is with portable rock breaker, including the tracked vehicle, bore a section of thick bamboo and hydraulic pressure splitting stick, swing joint has the removal seat on the tracked vehicle, the tracked vehicle top is provided with the sliding guide of two sets of parallels, remove the processing of seat bottom have with sliding guide complex sliding tray, be provided with two sets of hydraulic rod between sliding guide and the sliding tray, hydraulic rod is connected with the hydraulic pressure station at removal seat rear portion, it has the bore a section of thick bamboo to remove the anterior angular bearing movable mounting of seat, be provided with hydraulic pressure splitting stick in the bore a section of thick bamboo, be provided with splitting stick telescopic machanism between hydraulic pressure splitting stick and the bore a section of thick bamboo, the utility model relates to a tunnel construction is with portable rock breaker, through the setting of tracked vehicle and hydraulic pressure splitting stick for equipment can remove by oneself and get into the tunnel, remove the trouble of artifical transport from, hydraulic pressure splitting stick can come from inside expand the rock through the inflation of piston post simultaneously, it is comparatively simple and convenient when broken bold hard rock, the noise is also lower, and the security is promoted greatly.

Description

Movable rock crushing device for tunnel construction

Technical Field

The utility model relates to a tunnel construction is relevant technical field, specifically is a tunnel construction is with portable rock breaker.

Background

The tunnel is an engineering building buried in the stratum, is a form of utilizing underground space by human beings, and can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel, no matter which tunnel is required to be obstructed by hard rock on the ground during construction, the traditional tunnel excavation method adopts a mode of adopting small equipment and matching explosive for tunneling, although the excavation technology of the shield machine is mature at present, the cost of the shield machine is too high for the small tunnel, so the driving excavation mode is still used in a armed place, when the underground is obstructed by the hard rock by manual excavation, people usually adopt an explosive blasting method, but the explosive explosion easily affects and changes the geological conditions on the ground, and the danger of collapse is easily caused.

The existing rock crushing device is large in size, heavy in weight, difficult to carry into a tunnel and incapable of being applied to a narrow environment of a tunnel driving working face, small equipment capable of carrying the tunnel is low in crushing efficiency of large rocks, a geological environment is easy to change in an explosive blasting mode, and a collapse risk is caused.

Disclosure of Invention

An object of the utility model is to provide a tunnel construction is with portable rock breaker to solve the problem that the present rock breaker that above-mentioned background art provided is difficult to adapt to the construction environment in ground end tunnel.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tunnel construction is with portable rock breaker, includes tracked vehicle, bores a section of thick bamboo and hydraulic pressure splitting stick, swing joint has the removal seat on the tracked vehicle, the tracked vehicle top is provided with the sliding guide of two sets of parallels, remove the processing of seat bottom have with sliding guide complex sliding tray, be provided with two sets of hydraulic rod between sliding guide and the sliding tray, hydraulic rod is connected with the hydraulic pressure station at removal seat rear portion, it has a section of thick bamboo that bores through angle bearing movable mounting to remove the seat front portion, bore a section of thick bamboo and be connected with the motor through gear drive, be provided with hydraulic pressure splitting stick in the bore a section of thick bamboo, be provided with splitting stick telescopic machanism between hydraulic pressure splitting stick and the bore a section of thick bamboo.

Preferably, the hydraulic push rod fixed end is installed on crawler chassis upper portion, hydraulic push rod's output sets up in the removal seat front portion, hydraulic push rod rear portion is connected to the hydraulic pressure station through hydraulic pressure pipeline.

Preferably, outer ring transmission teeth are machined on the periphery of the rear end of the drill cylinder and meshed with a transmission gear, the transmission gear is meshed with a driving gear, and the driving gear is connected with a motor through a key slot.

Preferably, the hydraulic pressure splitting rod includes the barred body, the barred body rear end is connected to the hydraulic pressure station through hydraulic hose, be provided with the hydraulic pressure oil duct in the barred body, hydraulic pressure oil duct one side equidistance is provided with multiunit hydraulic pressure chamber, the hydraulic pressure intracavity is provided with the piston post, piston post bottom is provided with two sets of sealing washers, it has the multiunit telescopic hole that corresponds with the piston post to open on the brill section of thick bamboo.

Preferably, splitting stick telescopic machanism includes spiral rifling, it has spiral rifling to bore a section of thick bamboo inner wall processing, hydraulic pressure splitting stick front end movable mounting has the turning block, the turning block processing all around have with spiral rifling complex spiral line, turning block one side and hydraulic pressure splitting stick junction processing have ratchet tooth, be provided with pressure spring between turning block opposite side and the hydraulic pressure splitting stick, hydraulic pressure splitting stick rear end runs through there are two gag lever posts of fixing on removing the seat.

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

1. through the setting of tracked vehicle for the equipment that weight is heavier can remove by oneself and get into the tunnel, removes the trouble of artifical transport from, and the equipment weight upper limit that also can carry simultaneously also can greatly increased, and the tracked vehicle can adapt to the complicated bottom surface environment of tunnel construction face, also can normally travel in moist muddy, unevenness's bottom surface.

2. Through the setting of a bore section of thick bamboo and hydraulic pressure splitting stick, when meetting the hard rock of bold, can bore out the deep hole through a bore section of thick bamboo, then bring out the core through a bore section of thick bamboo to can insert the deep hole that drills out with hydraulic pressure splitting stick, then expand the rock from inside through the expansion extension of piston post on the hydraulic pressure splitting stick, can broken bold hard rock, the explosion also can not appear simultaneously, the noise is also lower, the security is promoted greatly.

Drawings

FIG. 1 is a schematic view of the front appearance structure of the present invention;

FIG. 2 is a schematic view of the back side of the present invention;

FIG. 3 is a schematic sectional view of the present invention;

fig. 4 is a schematic structural view of the hydraulic push rod of the present invention;

FIG. 5 is a schematic view of the structure of the drill cylinder of the present invention;

FIG. 6 is a schematic structural view of the cleaving rod retracting mechanism of the present invention;

fig. 7 is a schematic view of the sectional structure of the splitting rod of the present invention.

In the figure: 1. a tracked vehicle; 2. a movable seat; 3. a sliding guide rail; 4. a sliding groove; 5. a hydraulic push rod; 6. a hydraulic station; 7. drilling a barrel; 8. outer ring transmission teeth; 9. a transmission gear; 10. a driving gear; 11. a motor; 12. a hydraulic cleaving rod; 1201. a rod body; 1202. a hydraulic hose; 1203. a hydraulic oil gallery; 1204. a hydraulic chamber; 1205. a piston post; 1206. a seal ring; 13. a telescopic hole; 14. a cleaving bar telescoping mechanism; 1401. a spiral rifling; 1402. rotating the block; 1403. helical thread; 1404. ratchet teeth; 1405. a compression spring; 1406. a limiting rod.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-7, the present invention provides the following solutions:

a movable rock crushing device for tunnel construction comprises a crawler 1, a drill barrel 7 and a hydraulic splitting rod 12, wherein the crawler 1 is movably connected with a movable seat 2, two groups of parallel sliding guide rails 3 are arranged above the crawler 1, a sliding groove 4 matched with the sliding guide rails 3 is processed at the bottom of the movable seat 2, two groups of hydraulic push rods 5 are arranged between the sliding guide rails 3 and the sliding groove 4, the hydraulic push rods 5 are connected with a hydraulic station 6 at the rear part of the movable seat 2, the fixed end of each hydraulic push rod 5 is arranged at the upper part of a chassis of the crawler 1, the output end of each hydraulic push rod 5 is arranged at the front part of the movable seat 2, and the rear part of each hydraulic push rod 5 is connected to the hydraulic station 6 through a hydraulic pipeline, so that the hydraulic station 6 at the rear part of the movable seat 2 can provide power for the two groups of hydraulic push rods 5 at the bottom of the movable seat 2, the hydraulic push rods 5 can be extended or shortened, the movable seat 2 is pushed to slowly move forwards or backwards along the sliding guide rails 3 and the sliding groove 4, and the drill barrel 7 can move forwards and backwards freely;

the front part of the moving seat 2 is movably provided with a drilling barrel 7 through an angle bearing, the drilling barrel 7 is connected with a motor 11 through gear transmission, outer ring transmission teeth 8 are processed on the periphery of the rear end of the drilling barrel 7, the outer ring transmission teeth 8 are engaged with a transmission gear 9, the transmission gear 9 is engaged with a driving gear 10, the driving gear 10 is connected with the motor 11 through a key slot, the motor 11 can drive the driving gear 10 to rotate, the driving gear 10 drives the transmission gear 9 engaged with the driving gear to rotate, and the transmission gear 9 can drive the drilling barrel 7 to rotate through the outer ring transmission teeth 8 engaged with the transmission gear;

a hydraulic splitting rod 12 is arranged in the drill cylinder 7, the hydraulic splitting rod 12 comprises a rod body 1201, the rear end of the rod body 1201 is connected to a hydraulic station 6 through a hydraulic hose 1202, a hydraulic oil duct 1203 is arranged in the rod body 1201, a plurality of groups of hydraulic cavities 1204 are arranged on one side of the hydraulic oil duct 1203 at equal intervals, a piston column 1205 is arranged in each hydraulic cavity 1204, and two groups of sealing rings 1206 are arranged at the bottom of the piston column 1205;

a splitting rod telescoping mechanism 14 is arranged between the hydraulic splitting rod 12 and the drill cylinder 7, the splitting rod telescoping mechanism 14 comprises a spiral rifling 1401, the inner wall of the drill cylinder 7 is provided with the spiral rifling 1401, the front end of the hydraulic splitting rod 12 is movably provided with a rotating block 1402, the periphery of the rotating block 1402 is provided with spiral grains 1403 matched with the spiral rifling 1401, one side of the rotating block 1402 is provided with ratchet teeth 1404 at the connection part with the hydraulic splitting rod 12, a pressing spring 1405 is arranged between the other side of the rotating block 1402 and the hydraulic splitting rod 12, the rear end of the hydraulic splitting rod 12 is provided with two limiting rods 1406 fixed on the movable seat 2 in a penetrating way, when the drill cylinder 7 slowly drills into a rock, the drill cylinder 7 rotates clockwise due to the cooperation of the spiral rifling 1401 on the inner wall and the spiral grains 1403 on the rotating block 1402, the rotating block 1402 rotates clockwise, the direction of the teeth points of the hydraulic splitting rod 12 faces clockwise, and the two limiting rods 1406 fixed on the movable seat 2 penetrate through the two limiting rods 1406 fixed on the movable seat 2, therefore, the rotating block 1402 compresses the spring 1401, the splitting rod 1401 and compresses the splitting rod 1401, the splitting rod 12 and the splitting rod 12, the splitting rod 12 can not rotate counterclockwise along the direction of the spiral rifling, when the hydraulic splitting rod 12 and the hydraulic splitting rod 12 rotate counterclockwise, the hydraulic splitting rod 12 can rotate counterclockwise, the hydraulic splitting rod 1404, the core in the drill barrel 7 is ejected.

The working principle is as follows: when the movable rock crushing device for tunnel construction is used, firstly, the crushing device can automatically enter a tunnel construction surface with a complex environment by virtue of the crawler 1, the crawler 1 can pass through an uneven and wet muddy road surface in the tunnel construction surface, manual carrying equipment is not needed, when the device reaches the front of the rock surface to be crushed, the motor 11 is started to drive the driving gear 10 to rotate, the driving gear 10 drives the transmission gear 9 meshed with the driving gear to rotate, the transmission gear 9 drives the drill barrel 7 to rotate through the outer ring transmission gear 8 meshed with the transmission gear 9, so that a hole can be drilled on hard rock, meanwhile, the hydraulic station 6 at the rear part of the moving seat 2 provides power for the two groups of hydraulic push rods 5 at the bottom of the moving seat 2, the moving seat 2 is pushed to slowly move forwards along the sliding guide rail 3 and the sliding groove 4, so that a deep hole can be drilled on the rock, and because the drill barrel 7 is hollow, the rock to be cut by the drill barrel 7 only has one circle of rock at the cutting edge of the drill barrel 7, so that the drilling speed is greatly improved, and the deep hole can be drilled quickly;

when the drill cylinder 7 slowly drills into the rock, the drill cylinder 7 rotates clockwise, the drill cylinder 7 drives the rotating block 1402 to rotate clockwise through the matching of the spiral rifling 1401 on the inner wall and the spiral thread 1403 on the rotating block 1402, the hydraulic cleaving rod 12 does not rotate along with the drill cylinder 12 as the tip direction of the ratchet tooth 1404 on the hydraulic cleaving rod 12 faces clockwise and two limiting rods 1406 fixed on the moving seat 2 penetrate through the hydraulic cleaving rod 12, the rotating block 1402 compresses the pressing spring 1405 and disengages from the ratchet tooth 1404 on the hydraulic cleaving rod 12, when the drill cylinder 7 drills to a sufficient depth, the hydraulic station 6 at the rear of the moving seat 2 provides power for the two sets of hydraulic push rods 5 at the bottom of the moving seat 2, the moving seat 2 is pushed to slowly move backwards along the sliding guide rail 3 and the sliding groove 4, the drill cylinder 7 is pushed out of the rock, the motor 11 rotates reversely, the drill cylinder 7 rotates, so that the drill cylinder 7 drives the hydraulic cleaving rod 1404 to slowly push the hydraulic cleaving rod 1405 backwards along the sliding guide rail 3 and the sliding groove 4 along the sliding rod 1402, and the hydraulic pressure stick 12 on the rotating rod 12 penetrates through the ratchet tooth 1402 and the ratchet tooth 1401, and the hydraulic rod 12, so that the hydraulic cleaving rod 12 penetrates through the ratchet tooth 1401 and the ratchet tooth 12 and the hydraulic cleaving rod 12 and the hydraulic stop block 12 and the hydraulic rod 12 penetrates through the ratchet tooth 12 in the counter-stop block 12, the ratchet tooth.

When the front end of the hydraulic splitting rod 12 is pushed against the cutting edge of the front end of the drill barrel 7, the motor 11 stops rotating, at the moment, the piston post 1205 in the hydraulic splitting rod 12 corresponds to the telescopic hole 13 in the drill barrel 7, then the hydraulic station 6 at the rear part of the moving seat 2 provides power for the two groups of hydraulic push rods 5 at the bottom of the moving seat 2 to push the moving seat 2 to slowly move forwards along the sliding guide rail 3 and the sliding groove 4, so that the drill barrel 7 can enter the drilled hole again, then the hydraulic station 6 injects high-pressure oil into the hydraulic oil duct 1203 and the hydraulic cavity 1204 in the rod body 1201 through the hydraulic hose 1202, and as the two groups of sealing rings 1206 at the bottom of the piston post 1205 can increase the sealing performance between the hydraulic cavity 1204 and the piston post 1205, the piston post 1205 can slowly extend out of the telescopic hole 13 under the pushing of the oil and is positioned on the wall of the drilled hole, and the piston post 1205 can gradually burst rocks along with the pressurization of the hydraulic station 6, so as to achieve the purpose of breaking large hard rocks, and complete a series of work. Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a tunnel construction is with portable rock breaker, includes tracked vehicle (1), bores a section of thick bamboo (7) and hydraulic pressure splitting stick (12), its characterized in that: swing joint has removal seat (2) on tracked vehicle (1), tracked vehicle (1) top is provided with sliding guide (3) of two sets of parallels, remove seat (2) bottom processing have with sliding guide (3) complex sliding tray (4), be provided with two sets of hydraulic rod (5) between sliding guide (3) and sliding tray (4), hydraulic rod (5) are connected with hydraulic pressure station (6) at removal seat (2) rear portion, it has drill barrel (7) to remove seat (2) front portion through angle bearing movable mounting, drill barrel (7) are connected with motor (11) through gear drive, be provided with hydraulic pressure stick (12) in drill barrel (7), be provided with splitting stick telescopic machanism (14) between hydraulic pressure splitting stick (12) and drill barrel (7).

2. The mobile rock breaking device for tunnel construction as claimed in claim 1, wherein: the hydraulic push rod (5) fixing end is installed on the upper portion of a chassis of the crawler (1), the output end of the hydraulic push rod (5) is arranged on the front portion of the movable seat (2), and the rear portion of the hydraulic push rod (5) is connected to the hydraulic station (6) through a hydraulic pipeline.

3. The mobile rock breaking device for tunnel construction as claimed in claim 1, wherein: outer ring transmission teeth (8) are processed on the periphery of the rear end of the drill barrel (7), the outer ring transmission teeth (8) are meshed with transmission gears (9), the transmission gears (9) are meshed with driving gears (10), and the driving gears (10) are connected with a motor (11) through key grooves.

4. The mobile rock breaking device for tunnel construction as claimed in claim 1, wherein: the hydraulic splitting rod (12) comprises a rod body (1201), the rear end of the rod body (1201) is connected to a hydraulic station (6) through a hydraulic hose (1202), a hydraulic oil duct (1203) is arranged in the rod body (1201), a plurality of groups of hydraulic cavities (1204) are equidistantly arranged on one side of the hydraulic oil duct (1203), piston columns (1205) are arranged in the hydraulic cavities (1204), two groups of sealing rings (1206) are arranged at the bottoms of the piston columns (1205), and a plurality of groups of telescopic holes (13) corresponding to the piston columns (1205) are formed in a drill cylinder (7).

5. The mobile rock breaking device for tunnel construction as claimed in claim 1, wherein: the splitting rod telescopic mechanism (14) comprises a spiral rifling (1401), the inner wall of the drill barrel (7) is machined with the spiral rifling (1401), the front end of the hydraulic splitting rod (12) is movably provided with a rotating block (1402), spiral grains (1403) matched with the spiral rifling (1401) are machined on the periphery of the rotating block (1402), ratchet teeth (1404) are machined at the joint of one side of the rotating block (1402) and the hydraulic splitting rod (12), a compression spring (1405) is arranged between the other side of the rotating block (1402) and the hydraulic splitting rod (12), and two limiting rods (1406) fixed on the moving seat (2) penetrate through the rear end of the hydraulic splitting rod (12).