CN113266383A

CN113266383A - Rammed pipe type heading machine

Info

Publication number: CN113266383A
Application number: CN202110755204.6A
Authority: CN
Inventors: 高李王; 王阿东; 赵国凯; 朱钰; 张路征
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-08-17

Abstract

The invention belongs to the technical field of tunneling equipment, and particularly relates to a rammed pipe type tunneling machine which comprises an impact cutting assembly, a supporting shielding piece and a scraper conveyor, wherein the impact cutting assembly comprises a cutting frame and a rammed pipe hammer, one end of the rammed pipe hammer is connected with the cutting frame, the cutting frame is pushed by the rammed pipe hammer to carry out cutting tunneling, the supporting shielding piece and the cutting frame are connected and advance together, the supporting shielding piece is used for supporting shielding, and the rammed pipe hammer and the scraper conveyor are both positioned in the supporting shielding piece. Promote the cutting frame through the ram hammer and advance, the cutting frame advances the in-process and can cut the extrusion breakage with certain degree to the material, if broken insufficient, needs artifical supplementary breakage, and the material passes through scraper conveyor and sees off. And with continuous advancing and tunneling, the channel is formed by extending the protection channel or carrying out permanent support on the anchor rod, the anchor cable and the anchor net. Therefore, the structure can not only carry out the tunneling operation of the rescue channel, but also tunnel can be tunneled in a proper coal bed.

Description

Rammed pipe type heading machine

Technical Field

The invention belongs to the technical field of tunneling equipment, and particularly relates to a rammed pipe type tunneling machine.

Background

When roof collapse accidents happen to tunnels and roadways which are not communicated, operators are often blocked inside, and how to quickly and safely open a rescue channel is the key to success or failure of rescue. However, when the rescue channel is tunneled, the tunneling of the rescue channel is difficult and heavy when surrounding rock crushing areas such as a silt zone, a loess zone, a sand flowing zone, a cobble layer, a scouring zone and a goaf are encountered, and sometimes, the rescue is abandoned. The development of a heading machine is urgently needed, the safety of rescue workers can be guaranteed, and the heading machine can safely and quickly pass through a surrounding rock crushing area to perform heading.

Disclosure of Invention

Aiming at the technical problem, the invention provides a rammed pipe type heading machine.

When the development machine is used for rescue operation, the safety of rescue workers can be ensured, and the development machine can safely and quickly pass through a surrounding rock crushing area for development; the heading machine is installed in parallel and used for heading coal mine tunnels, and is suitable for heading tunnels in coal seams with stable occurrence, simple structure and small fluctuation.

In order to solve the technical problems, the invention adopts the technical scheme that:

the utility model provides a rammer pipe formula entry driving machine, is including strikeing cutting subassembly, strutting and covering piece and scraper conveyor, and the impact cutting subassembly includes cutting frame and rammer pipe hammer, and the one end and the cutting frame of rammer pipe hammer are connected, and promote the cutting frame through the rammer pipe hammer and advance and cut the tunnelling, and the piece that covers is strutted and is connected together with the cutting frame and advance, and the piece that covers is strutted through strutting, and rammer pipe hammer and scraper conveyor all are located and strut and cover the piece, send out the material through scraper conveyor.

The cutting frame front end is equipped with the cutting edge, the cutting frame is equipped with two at least, can assemble, dismantle between each cutting frame.

The pipe ramming hammer is connected with the cutting frame through a bolt; and cutting edges are arranged around the front end of the cutting frame.

The number of the supporting shield pieces is at least two, and the supporting shield pieces are sequentially connected; sealing strips are arranged between the supporting components and connected through bolts, and movable gaps are arranged at the joints of the bolts.

The pipe rammer further comprises an adjusting piece, the middle part of the pipe rammer is connected with the supporting shield piece through the adjusting piece, and the angle of the pipe rammer is adjusted through the adjusting piece.

Two ends of the adjusting piece are respectively hinged with the pipe rammer and the supporting shield piece; the two adjusting pieces are respectively positioned on two sides of the pipe rammer; the adjusting piece adopts a turnbuckle or an adjustable telescopic rod.

The protective channel is positioned at the rear end of the supporting and shielding piece.

The protection channels are provided with a plurality of protection channels which are connected in sequence; the protection channel is rectangular, trapezoidal or arched and is formed by splicing at least two parts.

The rear end of the support shielding piece is fixed with an anchor net mounting plate, and the anchor net mounting plate is distributed along the rear end of the support shielding piece to form a tooth-shaped structure so as to be beneficial to combined support of an anchor rod, an anchor cable and an anchor net.

And a material guide plate is arranged in the supporting shield, and the material is gathered to the front end of the scraper conveyor through the material guide plate.

The external size of the supporting and shielding piece is slightly smaller than that of the cutting frame so as to reduce the advancing resistance; the external dimension of the protection channel is smaller than the dimension of the inner cavity of the support shield so as to be convenient for installing the protection channel in the internal space of the support shield.

Compared with the prior art, the invention has the following beneficial effects:

the cutting frame is pushed to advance through the pipe rammer, the cutting frame can be cut and crushed to a certain extent in the advancing process, and the material is conveyed out through the scraper conveyor. And the cutting frame can drive the supporting shield piece to advance together in the advancing process, so that the supporting shield function is achieved, and a channel is formed along with continuous tunneling. Therefore, the heading machine can safely and quickly carry out the heading operation of the rescue channel in the broken surrounding rocks, and the heading machine can be arranged in parallel and can also be used for heading a roadway in a coal seam with stable occurrence, simple structure and small fluctuation.

The front end of the cutting frame is provided with a cutting edge, which is beneficial to cutting, extruding and crushing materials and ensures the smooth operation of the tunneling operation.

The number of the supporting shield parts is at least two, sealing strips are arranged between the supporting components and connected through bolts, and movable gaps are arranged at the bolt connection positions. Because the bolt joint is provided with a certain movable gap, each support shield piece can be finely adjusted at a certain angle, so that the angle change during tunneling can be adapted.

The middle part of the pipe rammer is connected with the supporting shield through the adjusting piece, and the angle of the pipe rammer is adjusted through the adjusting piece; through the structural arrangement, the adjustment of the tunneling angle can be further facilitated.

When the protective channel is used for tunneling a rescue channel, the protective channel is positioned at the rear end of the supporting shield and is not connected with the supporting shield.

Be equipped with the stock guide in strutting the shield, can assemble the material to scraper conveyor through the stock guide, the transport of the material of being convenient for.

When the heading machine is used for tunneling a coal seam roadway, the heading machine is assembled and used in parallel, an anchor net mounting plate is fixed at the rear end of a supporting and shielding piece, an anchor net is fixedly laid on the inner side of the mounting plate through iron wires, and an anchor rod and an anchor cable are arranged through the gap of the mounting plate in a drilling mode. The support shield, the mounting plate and the anchor net anchor rod and anchor cable arranged under the shield of the mounting plate effectively form a temporary support, and no neutral gear exists between the permanent support and the temporary support, so that the safety of roadway tunneling operation is better ensured.

Drawings

FIG. 1 is a front view of one embodiment of the present invention;

FIG. 2 is an isometric view of one embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along plane A of FIG. 2;

FIG. 4 is a schematic structural diagram of a cutting frame according to the present invention;

FIG. 5 is a schematic illustration of the construction of a support shield of the present invention;

FIG. 6 is a schematic structural diagram of another embodiment of the present invention;

FIG. 7 is a cross-sectional view taken along plane A of FIG. 6;

FIG. 8 is a cross-sectional view taken along plane B of FIG. 6;

FIG. 9 is a schematic structural view of the anchor net mounting plate of the present invention;

FIG. 10 is a schematic structural view of the guard channel of the present invention;

wherein: the device comprises a cutting frame 1, a pipe rammer 2, a support and shield member 3, a scraper conveyor 4, a cutting edge 5, a sealing strip 6, a bolt 7, an adjusting member 8, a protective channel 9, a material guide plate 10 and an anchor net mounting plate 11.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the rammed pipe type heading machine comprises an impact cutting assembly, a support shielding part 3 and a scraper conveyor 4, wherein the impact cutting assembly comprises a cutting frame 1 and a rammed pipe hammer 2, one end of the rammed pipe hammer 2 is connected with the cutting frame 1, and the cutting frame 1 is pushed to cut and dig by the power provided by the rammed pipe hammer 2.

The supporting shield 3 is connected with the cutting frame 1, and the cutting frame 1 drives the supporting shield 3 to advance together when advancing; and is supported and shielded by a supporting and shielding member 3. The pipe rammer 2 and the scraper conveyor 4 are both positioned in the supporting and shielding part 3, and the pipe rammer 2 and the scraper conveyor 4 can be protected in the tunneling process. The cut and crushed material is sent out by a scraper conveyor 4.

Installation preparation work: installing an impact cutting frame 1 close to a tunneling end, sequentially connecting supporting shielding pieces 3 to the rear ends of the impact cutting assemblies, fixing a pipe rammer 2 on the cutting frame 1, and installing a scraper conveyor 4 at the bottom of the space of the supporting shielding pieces 3; and connecting a blower fan with the air pipe and the control line of the pipe ramming hammer 2.

Tamping pipe tunneling operation: the scraper conveyor 4, the blower and the pipe rammer 2 are sequentially started to carry out pipe ramming tunneling operation, the pipe rammer drives the cutting frame 1 to tunnel, and meanwhile, the supporting and shielding piece 3 is driven to advance together to form a channel.

Further, cutting edge 5 is equipped with to cutting frame 1 front end, and cutting frame 1 is equipped with two at least, can assemble, dismantle between each cutting frame 1. The cutting frame 1 can be one, or can be formed by splicing a plurality of cutting frames 1, such as two, three, four (shown in fig. 3) … …; the combined mode of adopting the concatenation not only can be easy to assemble and shift, can also improve intensity.

Further, the pipe ramming hammer 2 is connected with the cutting frame 1 through a bolt; the cutting edges 5 are arranged around the front end of the cutting frame 1.

Furthermore, at least two supporting and shielding pieces 3 are arranged, and all the supporting and shielding pieces 3 are connected in sequence; sealing strips 6 are arranged among the supporting components and connected through bolts 7, and movable gaps are arranged at the joints of the bolts 7.

During installation, the sealing strip 6 is placed between the two support shields 3 and then threaded through the bolt holes in the two support shields 3 and the sealing strip 6 by means of bolts 7. The aperture of the bolt hole is larger than the outer diameter of the bolt 7, so that the bolt 7 can move while the support and shield pieces 3 are connected, and the support and shield pieces 3 can move, so that the change of angles can be adapted. The support shield 3 at the front end can be connected to the cutting frame 1 by means of the movable connection of the above-mentioned bolts, but of course a fixed connection can also be used.

Furthermore, the external size of the supporting shield 3 is slightly smaller than that of the cutting frame 1, so that the advancing resistance of the supporting shield 3 can be reduced, and the fine adjustment of the angle can be realized; the outer dimensions of the protective channel 9 are smaller than the dimensions of the inner cavity of the support shield, so that the support channel can be installed in the inner space of the support shield 3.

Further, as shown in fig. 7 and 8, the pipe rammer further comprises an adjusting part 8, the middle part of the pipe rammer 2 is connected with the supporting and shielding part 3 through the adjusting part 8, and the angle of the pipe rammer 2 is adjusted through the adjusting part 8, so that the impact direction of the pipe rammer 2 can be adjusted, and the tunneling angle can be adjusted.

Further, two ends of the adjusting piece 8 are hinged with the pipe rammer 2 and the support shielding piece 3 respectively; the adjusting piece 8 adopts a turnbuckle 7 or an adjustable telescopic rod. Taking a turnbuckle as an example, the angle of the pipe rammer 2 can be adjusted by changing the length of the turnbuckle. Preferably, two adjusting members 8 are provided, the two adjusting members 8 being located on either side of the pipe rammer 2.

Further, as shown in fig. 6 and 7, the protective tunnel 9 is further included, and the protective tunnel 9 is located at the rear end of the support shield 3; with the continuous increase of the tunneling distance, the safety passing of personnel can be protected by arranging the protection channel 9 behind the support shield 3.

Further, the protection channels 9 are arranged in a plurality of numbers, and the protection channels 9 are connected in sequence, so that the length can be increased conveniently. When the protective channel 9 is installed, the protective channel 9 to be installed is installed at the front end of the installed protective channel 9.

Further, as shown in fig. 10, the protection channel 9 is formed by splicing at least two parts, i.e. the protection channel 9 can be formed by splicing a plurality of independent parts instead of a complete closed structure, which is also beneficial for carrying and installation. Similarly, the supporting shield 3 can also be composed of several parts joined together. The assembly can be completed by bolts (not shown in the figure) and the like.

The protective channel 9 is arranged, and the tunneling machine is used as a rescue machine; that is, when an accident such as roof fall occurs, the rescue tunnel can be driven.

Further, as shown in fig. 8, a material guide plate 10 is provided in the support shield 3, and the material is gathered to the front end of the scraper conveyor 4 through the material guide plate 10.

Further, as shown in fig. 9, an anchor net mounting plate 11 is fixed to the rear end of the support shield 3, and the anchor net mounting plates 11 are distributed along the rear end of the support shield 3 to form a tooth-like structure.

The anchor net mounting plate 11 is provided for use as a coal seam roadway excavator, and the anchor net mounting plate 11 is used for conveniently mounting an anchor net, an anchor rope and an anchor rod to form permanent support.

Meanwhile, as shown in fig. 10, the rammed pipe type tunneling machine can be used side by side according to needs, and the rammed pipe type tunneling machine can be connected by adopting a bolt and the like, so that the requirement of tunneling roadway width is met.

Simultaneously, what the equipment of this scheme adopted is the rectangle section, can also adopt arch, trapezoidal section.

The development machine has two functions, namely, the development machine is used for development operation of a rescue channel in broken surrounding rocks, and the development machine is used for development operation of a roadway in a proper coal bed.

Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.

Claims

1. The utility model provides a rammer pipe formula entry driving machine which characterized in that: including strikeing cutting assembly, strut covering piece (3) and scraper conveyor (4), it includes cutting frame (1) and ram hammer (2) to strike cutting assembly, the one end and the cutting frame (1) of ram hammer (2) are connected, promote cutting frame (1) through ram hammer (2) and advance and cut the tunnelling, it is connected together to advance to strut covering piece (3) and cutting frame (1), it covers to strut through strutting covering piece (3), ram hammer (2) and scraper conveyor (4) all are located and strut covering piece (3), see off the material through scraper conveyor (4).

2. A rammed pipe ripper according to claim 1, wherein: the cutting frame (1) front end is equipped with cutting edge (5), cutting frame (1) is equipped with two at least, can assemble, dismantle between each cutting frame (1).

3. A tamper tube boring machine according to claim 2, wherein: the pipe ramming hammer (2) is connected with the cutting frame (1) through a bolt (7); and cutting edges (5) are arranged on the periphery of the front end of the cutting frame (1).

4. A rammed pipe ripper according to claim 1, wherein: at least two supporting shielding pieces (3) are arranged, and the supporting shielding pieces (3) are connected in sequence; sealing strips (6) are arranged among the supporting components and connected through bolts (7), and movable gaps are arranged at the joints of the bolts (7).

5. A rammed pipe ripper according to claim 1, wherein: the pipe rammer further comprises an adjusting piece (8), the middle part of the pipe rammer (2) is connected with the supporting and shielding piece (3) through the adjusting piece (8), and the angle of the pipe rammer (2) is adjusted through the adjusting piece (8).

6. The rammed pipe ripper of claim 5, wherein: two ends of the adjusting piece (8) are respectively hinged with the pipe rammer (2) and the supporting and shielding piece (3); the number of the adjusting pieces (8) is two, and the two adjusting pieces (8) are respectively positioned on two sides of the pipe ramming hammer (2); the adjusting piece (8) adopts a turn buckle (7) or an adjustable telescopic rod.

7. A rammed pipe ripper according to claim 1, wherein: the protective device is characterized by further comprising a protective channel (9), wherein the protective channel (9) is located at the rear end of the support shield (3).

8. A rammed pipe ripper according to claim 1, wherein: the rear end of the supporting and shielding piece (3) is fixedly provided with an anchor net mounting plate (11), and the anchor net mounting plate (11) is distributed along the rear end of the supporting and shielding piece (3) to form a tooth-shaped structure.

9. A rammed pipe ripper according to claim 1, wherein: the support shield piece (3) is internally provided with a material guide plate (10), and the materials are gathered to the scraper conveyor (4) through the material guide plate (10) and are sent out.

10. A rammed pipe ripper according to claim 1, wherein: the external dimension of the support shielding piece (3) is slightly smaller than that of the cutting frame (1), and the external dimension of the protection channel (9) is smaller than the size of an inner cavity of the support shielding piece (3).