WO2012174923A1

WO2012174923A1 - Hard rock tunneling machine

Info

Publication number: WO2012174923A1
Application number: PCT/CN2012/073763
Authority: WO
Inventors: 王海龙; 魏成刚; 林绍勇
Original assignee: 三一重型装备有限公司; 三一重型综采成套装备有限公司
Priority date: 2011-06-23
Filing date: 2012-04-11
Publication date: 2012-12-27
Also published as: CN102839975A

Abstract

A hard rock tunneling machine for boring a hard rock tunnel, comprising a cutting unit (1), a blade unit (2), a first conveyer (3), a body (4), a walking unit (5), a hydraulic system (7) and an electrical system (8); the upper and lower parts at the front end of the body are respectively provided with the cutting unit and the blade unit; the first conveyer is installed on the body; the two sides of the body are provided with the walking unit; the hydraulic system and the electrical system are respectively installed on the body; the lower surface of the cutting unit and the upper surface of the blade unit are respectively provided with anti-collision blocks (10, 11) preventing the two units from direct collision. The hard rock tunneling machine adopts a mechanical anti-collision design, thereby preventing the cutting unit from colliding with a moving sprocket, and improving the reliability and safety of the tunneling machine.

Description

The present application claims priority to Chinese Patent Application No. 201110171442.9, entitled "A Tunneling Machine", filed on June 23, 2011, the entire contents of which are incorporated by reference. In this application.

Technical field

The invention belongs to the field of roadheaders, in particular to a hard rock roadheader for rock roadway excavation.

Background technique

Roadheaders are gradually being applied in more and more fields. For example, the Chinese utility model patent (patent number: ZL 200420098541.4, application date: November 19, 2004, authorization notice number: CN 2828313 Y) discloses a "coal roadway boring machine", including the main frame, the lower side of the main frame There is a crawler walking device, a material boring device is arranged on the upper part of the front end of the main frame, and a platen is arranged at the lower part of the front end of the main frame. The table plate is provided with two dialing wheels which are opposite to each other, and the main frame is further provided with a transporting machine. This kind of "coal roadway boring machine" is compact and small in size, and is suitable for coal mining in small caliber vertical shaft or inclined shaft coal mine.

At present, the tunneling of the medium-small section half-rock roadway and the whole rock roadway still adopts the method of blasting, the cutting efficiency is low, the labor intensity is large, neither economic nor dangerous, and the roadway molding is poor. The existing hard rock roadheader has a high height and a wide width, and is suitable for tunneling in more spacious half-rock or full-rock roadways. However, the disadvantage is that the height of the fuselage is high and the width is large, and it cannot adapt to the middle and small section roadway; the grounding is larger than the pressure, which is easy to damage the floor of the roadway; the cutting part often collides with the blade part during the working process, and the safety and reliability are poor, and it is easy to cause The parts are damaged; the lubrication system is manually or semi-automatically lubricated, which is difficult to overhaul; the body of the roadheader adopts a monolithic structure, and it is easy to be restricted by size and weight when transported to the underground. Therefore, it is urgent to use a hard rock roadheader with high cutting efficiency, small grounding pressure, good maintainability, and can adapt to medium and small section half-rock roadway and full rock roadway to improve the working environment of workers and improve the efficiency of tunneling. Tunneling security.

Summary of the invention

In view of the above technical problems, it is an object of the present invention to provide a hard rock roadheader. The object of the present invention is achieved by the following technical solutions:

The present invention includes a cutting portion, a blade portion, a first conveyor, a body portion, a running portion, a hydraulic system, and an electrical system. The cutting portion and the blade portion are disposed above and below the front end of the body portion, and the first conveyor is mounted on the body portion. Above, a walking portion is provided on both sides of the body portion, and the hydraulic system and the electrical system are respectively The bottom surface of the cutting portion and the upper surface of the blade portion are respectively provided with anti-collision blocks for avoiding direct collision between the two.

Wherein: the first surface of the cutting portion is provided with a first anti-collision block, and the upper surface of the blade portion is provided with a second anti-collision block, and the first anti-collision block is corresponding to the second anti-collision block, a state in which an anti-collision block is in contact with the second anti-collision block, a contact surface of the first anti-collision block and the second anti-collision block is perpendicular to an axis of rotation of the cutting portion; the first transporter is mounted through the rack In the middle of the body portion, the bottom of the first transport machine is provided with a bottom plate, and the bottom plate is detachably connected to the frame; the body portion is at least two-stage structure, and the segments are detachably connected; the walking portion includes At least two crawler frames are detachably connected between the crawler frames, and a grounded crawler is mounted on the outer side of the crawler frame; the body portion is provided with a lubrication system, including an automatic lubrication pump, a dispenser and a lubrication hose, wherein the automatic The lubrication pump is connected to the distributor through a lubrication hose, and the distributor is connected to each of the lure pins and bearings on the roadheader through the lubrication hose.

The advantages and positive effects of the present invention are:

1. The invention is a new type of hard rock roadheader with small outer shape, can adapt to the excavation work of medium and small section high hardness whole rock and half rock roadway, expands the use range of the roadheader, and improves the whole rock and half of the medium and small section. The efficiency of the tunneling of the rock roadway reduces the operator's work intensity.

2. The cutting part and the blade part of the invention adopt a mechanical anti-collision design to prevent the cutting part from colliding with the moving part star wheel, thereby improving the reliability and safety of the roadheading machine.

3. The bottom plate of the first transporter of the invention is detachable, easy to repair and replace after wear, and more economical and convenient.

4. The body of the invention adopts a two-stage structure, which reduces the size of the largest non-removable part of the hard rock roadheader and widens the downhole range of the hard rock roadheader.

5. The invention adopts a two-stage extended walking section, which lengthens the grounding length of the track, reduces the grounding specific pressure of the hard rock roadheader, and reduces the damage of the roadheader to the floor of the roadway.

6. The lubrication system of the invention adopts a fully automatic centralized lubrication system for key lubrication points, which reduces equipment maintenance time and improves economic benefits.

DRAWINGS

Figure 1 is a schematic structural view of the present invention;

2 is a schematic structural view of the first transport aircraft of the present invention when the cutting portion of the present invention is in contact with the collision block of the blade portion; Figure 4 is a bottom view of Figure 3;

Figure 5 is a schematic structural view of a lubrication system of the present invention;

Among them: 1 is the cutting part, 2 is the blade part, 3 is the first conveyor, 4 is the body part, 5 is the walking part, 6 is the rear support, 7 is the hydraulic system, 8 is the electrical system, 9 is the side support device 10 is the first anti-collision block, 11 is the second anti-collision block, 12 is the contact surface, 13 is the rotation axis, 14 is the bottom plate, 15 is the first bolt, 16 is the frame, 17 is the large body, 18 is the first Two bolts, 19 for small body, 20 for track frame, 21 for first track frame, 22 for third bolt, 23 for second track frame, 24 for automatic lubrication pump, 25 for first lubrication hose, 26 for distributor , 27 is the second lubrication hose.

detailed description

The invention will be further described in detail below with reference to the accompanying drawings.

As shown in FIG. 1, the present invention includes a cutting portion 1, a blade portion 2, a first conveyor 3, a body portion 4, a running portion 5, a rear support 6, a hydraulic system 7, an electrical system 8, and side support devices 9, a cutting portion 1 is disposed above the front end of the main body portion 4, and a blade portion 2 is disposed below. A first conveyor 3 is mounted in the middle of the main body portion 4, and a running portion 5 is respectively mounted on both sides of the main body portion 4; The system 7 and the electrical system 8 are respectively mounted on the body portion, the upper portion of the right side of the main body portion 4 is mounted with a console of the hydraulic system 7, and the upper portion of the left side is mounted with a fuel tank of the hydraulic system 7; the rear support 6 is mounted at the body portion On the rear side of the rear side, side support means 9 are mounted on both sides of the rear support 6, an electric control box of the electric system 8 is mounted on the upper right portion of the rear support 6, and a pump station of the hydraulic system 7 is mounted on the upper left side. The cutting portion 1, the blade portion 2, the first conveyor 3, the body portion 4, the running portion 5, the rear support 6, the hydraulic system 7, the electrical system 8, the side support device 9, and the components between the components in the present invention The connection relationships are all prior art and will not be described again.

As shown in FIG. 2, the lower surface of the cutting portion 1 and the upper surface of the blade portion 2 are respectively provided with a collision preventing block that avoids direct collision between the two, that is, the lower surface of the cutting portion 1 (the cutting portion is on the vertical surface) a first bumper block 10 is welded to the lower surface of the upper projection, and a second bumper block 11 is welded to the upper surface of the blade portion 2 (the upper surface projected by the blade portion on the vertical surface), the first anti-collision block The collision block 10 is disposed corresponding to the second collision block 11, and the first collision block 10 and the second collision block 11 are disposed at positions to ensure that the blade portion 2 is lifted when the cutting portion 1 is operated to the lowermost limit position. The first bumper block 10 is first in contact with the second bumper block 11. In a state where the first bumper block 10 is in contact with the second bumper block 11, the contact surface 12 of the first bumper block 10 and the second bumper block 11 is perpendicular to the axis of rotation 13 of the cutting portion 1, thereby ensuring When the cutting unit 1 is rotated, the position of the contact surface of the first crash block 10 and the second crash block 11 does not change. As shown in FIG. 3 and FIG. 4, the first transport machine 3 is installed in the middle of the body portion 4 through the frame 16, and the bottom of the first transport machine 3 is provided with a bottom plate 14, which is detachably attached to the frame by the first bolt 15. 16-phase connection. When the bottom plate 14 is worn and repaired, the bottom plate 14 can be removed and repaired or replaced.

As shown in Fig. 2, the body portion 4 is of at least two-stage structure, and the segments are detachably connected. The main body portion 4 of the present embodiment has a two-stage structure and is divided into a large body 17 and a small body 19. The large body 17 is detachably connected to the small body 19 by the second bolt 18, and the weight of the large body 17 and the small body 19 respectively. And the overall size is smaller than the overall non-detachable one, which reduces the size of the largest non-removable part of the hard rock roadheader.

The walking portion 5 includes at least two crawler frames, and the crawler frames are detachably coupled to each other. The walking portion 5 of the embodiment includes two crawler frames, that is, a first crawler frame 21 and a second crawler frame 23, and the first crawler frame 21 is detachably connected to the second crawler frame 23 via the third bolt 22, at the first A grounded crawler belt is attached to the outer sides of the crawler frame 21 and the second crawler frame 23. The two-stage extended travel section of the present invention lengthens the length of the track joint, reduces the grounding specific pressure of the hard rock roadheader, and reduces the damage of the roadheader to the roadway floor.

As shown in FIG. 5, the body portion 4 is further provided with a lubrication system including an automatic lubrication pump 24, a distributor 26 and a lubricating rubber tube, wherein the automatic lubrication pump 24 communicates with the distributor 26 through the first lubricating rubber tube 25, and is distributed. The device 26 is connected to the respective lure shafts and bearings on the roadheader through the second lubricating hose 27. The grease is sent to the distributor 26 by the automatic lubrication pump 24 through the first lubricating rubber tube 25, and then sent to the pin shaft and the bearing lubrication point by the distributor 26 through the second lubricating rubber tube 27. The starting time of the automatic lubrication pump 24 can be Need to set automatic operation.

The working principle of the invention is:

The cutting portion 1 is rotated to perform the boring, and the fallen rock is sent from the first conveyor 3 to the rear portion of the boring machine through the blade portion 2. During the operation of the cutting portion 1 and the blade portion 2, a mechanical anti-collision design is adopted between the two, and the first anti-collision block 10 and the second anti-collision block 11 are first contacted, thereby avoiding the cutting portion 1 and the shovel A collision occurs between the plate portions 2.

The first crash block 10 and the second crash block 11 of the present invention may be fixed by welding or bolting, or may be used in combination of two.

The automatic lubrication pump 24 of the present invention is a commercially available product, and is purchased from Lincoln, USA, model P205-5L-BG Lincoln pump; distributor 26 is a commercially available product, purchased by Lincoln, USA, model SSV12-KR Lincoln Dispenser.

Claims

Rights request

A hard rock roadheading machine comprising a cutting portion, a blade portion, a first conveyor, a body portion, a running portion, a hydraulic system, and an electrical system, wherein a cutting portion and a blade portion are provided at a front end of the body portion, The first transporter is mounted on the body portion, and the walking portion is disposed on both sides of the body portion, and the hydraulic system and the electrical system are respectively mounted on the body portion; the lower surface of the cutting portion (1) and the shovel The upper surfaces of the plate portions (2) are respectively provided with anti-collision blocks for avoiding direct collision between the two.

2. The hard rock roadheader according to claim 1, wherein: the lower surface of the cutting portion (1) is provided with a first collision preventing block (10), and an upper surface of the blade portion (2) With a second collision block

(11), the first anti-collision block (10) is disposed corresponding to the second anti-collision block (11), and the first anti-collision block (10) is in contact with the second anti-collision block (11), first The contact surface (12) of the collision block (10) and the second collision block (11) is perpendicular to the rotation axis (13) of the cutting portion (1).

3. A hard rock roadheader according to claim 1, wherein said first conveyor (3) is mounted in the middle of the body portion (4) by a frame (16), the bottom of the first conveyor (3) A bottom plate (14) is provided, which is detachably connected to the frame (16).

The hard rock roadheader according to claim 1, wherein the body portion (4) is at least two-stage structure, and the segments are detachably connected.

5. The hard rock roadheader according to claim 1, wherein: the running portion (5) comprises at least two crawler frames, the crawler frames are detachably connected, and the ground is mounted on the outer side of the track frame. Track.

6. The hard rock roadheader according to claim 1, wherein: the body portion (4) is provided with a lubrication system, including an automatic lubrication pump (24), a distributor (26) and a lubrication hose, wherein the automatic The lubrication pump (24) is connected to the distributor (26) through a lubrication hose, and the distributor (26) is connected to each of the lure pins and bearings on the roadheader through the lubrication hose.