CN213775387U - Automatic change mining tunnelling machine - Google Patents
Automatic change mining tunnelling machine Download PDFInfo
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- CN213775387U CN213775387U CN202022139248.XU CN202022139248U CN213775387U CN 213775387 U CN213775387 U CN 213775387U CN 202022139248 U CN202022139248 U CN 202022139248U CN 213775387 U CN213775387 U CN 213775387U
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Abstract
The utility model relates to an automatic mining roadway heading machine, which comprises a heading system, a support ring mounting system, a support ring dismounting system and a support ring transportation system; the tunneling system comprises a cutter head positioned at the front end of the tunneling machine and a shield group behind the cutter head; the support ring mounting system is positioned at the rear part of the shield group and used for grabbing, hoisting and placing the support rings; the support ring dismounting system is positioned behind the heading machine and used for dismounting the support ring and conveying the dismounted support ring to the support ring mounting system for recycling through the support ring conveying system. The utility model discloses owing to adopt above structure cooperation, it is little to the surrounding rock disturbance, safe efficient characteristics to have.
Description
Technical Field
The utility model relates to a mining roadway support technical field especially relates to an automatic change mining entry driving machine.
Background
The industry of the heading machine and the hard rock full-face hard rock Tunnel Boring Machine (TBM) in China makes great development in the field of urban infrastructure, and is successfully applied to various projects, such as: subway construction, underground city pipe gallery, mountain-crossing water diversion engineering, etc. In recent years, the mining technology gradually develops to the field of mining of various minerals, taking coal resources as an example, in the process of mining coal mines, a plurality of criss-cross roadways are often required to be dug first, and different roadways have different functions.
Coal, as a non-renewable resource, is increasingly deep with increasing mining requirements, and the danger and difficulty of mining gradually increase, so that an automatic tunnel boring machine applied to a mine tunnel is urgently needed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the above-mentioned shortcoming, the deficiency of prior art, the utility model provides an automatic change mining entry driving machine for other construction equipment, it is little to the surrounding rock disturbance, safe efficient characteristics.
(II) technical scheme
In order to achieve the above object, the utility model discloses a main technical scheme include:
the embodiment of the utility model provides an automatic mining roadway heading machine, which comprises a heading system, a support ring mounting system, a support ring dismounting system and a support ring transportation system;
the tunneling system comprises a cutter head positioned at the front end of the tunneling machine and a shield group behind the cutter head;
the support ring mounting system is positioned at the rear part of the shield group and is used for grabbing, hoisting and placing support rings;
the support ring dismounting system is positioned behind the heading machine and used for dismounting the support ring and conveying the dismounted support ring to the support ring mounting system for cyclic utilization through the support ring conveying system.
Optionally, the heading machine further comprises a screw conveyor, a scraper conveyor and a rear supporting trolley;
the shield group comprises a front shield, a middle shield and a rear shield which are arranged at the front end of the tunneling machine in sequence;
the bottom of anterior shield is provided with screw conveyer for collect and transport the dregs that the blade disc cut off on the scraper conveyor, by scraper conveyor carries the supporting platform truck afterbody in back is transported outside the tunnel by being located the dregs car of the supporting platform truck afterbody in back again.
Optionally, the front shield is used as a support structure for a main drive for driving the cutterhead to rotate;
the middle shield is a framework which bears all loads acting on the roadway heading machine;
the rear shield is used for supporting the part of the roadway which is just excavated and not supported;
the support ring mounting system is arranged on the rear support inside the middle shield;
the support ring transportation system is arranged behind the support ring installation system and is used for transporting scattered support ring modules disassembled by the support ring disassembly system to the vicinity of the support ring installation system;
the support ring dismounting system is arranged at the tail part of the rear matching trolley and used for dismounting and arranging the support ring.
Optionally, the support ring mounting system is arranged on a slide rail, and the slide rail is fixed on a rear support inside the middle shield;
the support ring mounting system comprises a swing mechanism, a telescopic oil cylinder, a movable oil cylinder, a mechanical arm and a grabbing disc;
the moving oil cylinder and the telescopic oil cylinder are used for respectively realizing the movement of the X axis and the Y axis of the mechanical arm, the swing mechanism is used for realizing the circular movement of the mechanical arm along the support ring, and the swing mechanism realizes the rotation through a hydraulic motor; the end part of the mechanical arm is also provided with the grabbing disc for grabbing/installing the support ring.
Optionally, the circumference in the middle shield is provided with a propulsion cylinder for propelling the tunneling machine to advance.
Optionally, a mining support equipment set is arranged behind the support ring dismounting system and used for performing spray anchor support in the roadway.
Optionally, the mining support equipment set comprises a roof bolter and a guniting device, and pedestrian platforms are arranged behind the roof bolter and the guniting device and used for operating the equipment to operate.
Optionally, the main drive includes a main bearing, a motor and a speed reducer, and the motor and the speed reducer drive the main bearing to drive the cutter head to rotate.
Optionally, a power supply auxiliary device is further arranged inside the tunnel boring machine.
Optionally, a grouting device is further arranged at the bottom in the rear shield and used for grouting a gap between the support ring and the roadway wall.
(III) advantageous effects
The utility model has the advantages that: the utility model discloses an automatic change mining entry driving machine is provided with support ring installing the system and support ring dismantlement system respectively at the front end of entry driving machine and back tip to make the support ring can recycle, form temporary support through the concatenation support ring, can pour into the concrete into in the clearance of country rock and support ring through the slip casting device.
And after the support ring is disassembled, carrying out spray anchor support on the roadway by using the mining support equipment group after the support ring disassembling system. And a propelling oil cylinder is also arranged at the bottom in the middle shield, is supported on a roadway full-coverage supporting ring attached to the rock wall and is propelled forwards by virtue of reaction force. Owing to adopt above structure cooperation, the utility model has the characteristics of it is little to the surrounding rock disturbance, safe efficient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the support ring mounting system of FIG. 1;
FIG. 3 is a side view of the support ring mounting system of FIG. 1;
FIG. 4 is a schematic illustration of the support ring disassembly system and jumbolter connection of FIG. 1;
FIG. 5 is a schematic view of the jumbolter of FIG. 1;
fig. 6 is a front view of the support ring of the present invention;
fig. 7 is a top view of the support ring of the present invention;
fig. 8 is a schematic view of a support ring module according to the present invention.
[ description of reference ]
1: a cutter head;
2: a front shield;
3: a middle shield;
4: main driving;
5: a rear shield;
6: a support ring mounting system; 61: a swing mechanism; 62: a telescopic oil cylinder; 63: moving the oil cylinder; 64: a mechanical arm; 65: grabbing a disc;
7: a support ring transport system;
8: a screw conveyor;
9: a scraper conveyor;
10: a rear matching trolley;
11: a support ring removal system;
12: a mine support equipment group; 121: a jumbolter; 122: a guniting device;
13: a support ring; 131: a support ring module;
14: a propulsion cylinder;
15: a grouting device.
Detailed Description
In order to better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example 1: referring to fig. 1 to 8, an embodiment of the present invention provides an automatic mining roadheader, which includes a tunneling system, a support ring installation system 6, a support ring dismounting system 11 and a support ring transportation system 7;
the tunneling system comprises a cutter head 1 positioned at the front end of the tunneling machine and a shield group behind the cutter head 1; the cutter head 1 is a rotary structure positioned at the foremost end of the tunnel boring machine, and the structural part is a main part of the equipment for boring in the stratum.
The support ring mounting system 6 is positioned at the rear part of the shield group and is used for grabbing, hoisting and placing the support rings 13. The support ring dismounting system 11 is positioned behind the heading machine and used for dismounting the support ring and conveying the dismounted support ring 13 into the support ring mounting system 6 for recycling through the support ring conveying system 7.
The development machine also comprises a screw conveyor 8, a scraper conveyor 9 and a rear matching trolley 10;
the shield group comprises a front shield 2, a middle shield 3 and a rear shield 5 which are arranged at the front end of the development machine in sequence;
the bottom of the front shield 2 is provided with a screw conveyor 8 for collecting and transferring the dregs cut by the cutter head 1 to a scraper conveyor 9, the dregs are conveyed to the tail part of a rear matching trolley 10 by the scraper conveyor 9, and then the dregs are conveyed out of the roadway by a dregs car positioned at the tail part of the rear matching trolley 10. The back supporting platform 10 parking stall is in the tunnelling machine rear, bears each corollary equipment on it, and supplementary tunnelling machine normal tunnelling, if: grouting systems, grease systems, hydraulic systems, electrical systems, and the like. The interior of the tunnel boring machine is also provided with a power supply auxiliary device, such as a transformer and a frequency converter, and the power required by the equipment is supplied by laying electric wires outside the tunnel.
The front shield 2 is used as a supporting structure of the main drive 4, the main drive 4 is used for driving the cutter head 1 to rotate, and further the main drive 4 comprises a main bearing, a motor and a speed reducer, and the motor and the speed reducer drive the main bearing to further drive the cutter head 1 to rotate. The main drive 4 is a heart of the tunnel boring machine and is used for providing power for the cutter head 1 to cut rock soil in the circumferential direction so that the cutter head 1 can form continuous cutting action.
The middle shield 3 is a framework bearing all loads acting on the tunnel boring machine, and is internally provided with a hinged oil cylinder, a rear support, a shield inner platform, a radial grouting pipe, an advanced grouting pipe and other structures. The rear shield 5 is used for supporting the part of the roadway which is just excavated and not supported; the support ring 13 is mounted in a moving shield protective layer.
The support ring mounting system 6 is arranged on the rear support inside the middle shield 3. The support ring transportation system 7 is arranged behind the support ring installation system 6, and the support ring transportation system 7 comprises a crane beam, a fixed driving hydraulic motor, a walking chain, a fixed driving oil cylinder, a steel wire rope, a walking crane, a rail car and the like. And a rail is laid on the rear matching table 10, and rail cars on the rail transport scattered support ring 13 modules detached by the support ring detaching system 11 to the vicinity of the support ring mounting system 6, so that the support ring 13 can be recycled.
The support ring dismounting system 11 is arranged at the tail part of the rear matching trolley 10 and used for dismounting and mounting the support ring 13 and dismounting the support ring 13 attached to the rock wall.
The support ring mounting system 6 is arranged on a slide rail 66, the slide rail 66 is fixed on the rear support inside the middle shield 3, and further, the support ring mounting system 6 comprises a slewing mechanism 61, a telescopic oil cylinder 62, a moving oil cylinder 63, a mechanical arm 64 and a grabbing disc 65; the moving oil cylinder 63 and the telescopic oil cylinder 62 are used for respectively realizing the movement of an X axis and a Y axis of the mechanical arm 64, the swing mechanism 61 is used for realizing the circular movement of the mechanical arm 64 along the support ring 13, and the swing mechanism 61 realizes 360-degree rotation through a hydraulic motor; the end of the mechanical arm 64 is also provided with a gripping disc 65 for gripping/mounting the support ring 13. The support ring mounting system 6 can realize the adjustment actions of longitudinal movement, radial movement, transverse movement, rotation, front and back, left and right and horizontal postures of the mounting support ring 13 through the proportional control of the actions of actuating mechanisms such as a hydraulic motor, a hydraulic oil cylinder and the like, so that the support ring 13 can be quickly and accurately positioned and mounted. Thereby enabling the support ring 13 to support the roadway rock wall in all directions at 360 degrees.
And a mining support equipment group 12 is arranged behind the support ring dismounting system 11 and is used for carrying out spray anchor support on the roadway. The mining support equipment group 12 comprises an anchor rod drilling machine 121 and guniting equipment 122, wherein pedestrian platforms are arranged behind the anchor rod drilling machine 121 and the guniting equipment 122 and used for operating the equipment.
And the propulsion cylinders 14 are arranged on the inner circumference of the middle shield 3, and when the heading machine advances, the propulsion cylinders 14 propel the installed roadway to fully cover the support ring 13, so that the heading machine moves forwards. And a grouting device 15 is further arranged at the bottom in the rear shield 5 and used for grouting a gap between the support ring 13 and the roadway wall.
Referring to fig. 6, the support ring 13 of each ring roadway, which covers 360 degrees, is formed by splicing a plurality of steel support ring modules 131 with different sizes, and is designed into a unique combined installation mode by combining the working characteristics of the support ring installation system 6 and the support ring disassembly system 11, so that the support ring installation system 6 and the support ring disassembly system 11 can work conveniently. The 360-degree roadway is fully covered, so that the roadway rock wall can be effectively supported, and the safety of equipment and constructors is effectively protected. The automatic support ring assembling system is used in combination with the support ring assembling system 6 and the support ring disassembling system 11, and the automation efficiency is high. Scattered installation and convenient transportation.
The utility model discloses a theory of operation:
(1) and (2) tunneling, wherein a main drive 4 positioned in a front shield 2 is driven by a motor to rotate a cutter head 1, a hob arranged on the cutter head 1 cuts rock soil, and a propulsion oil cylinder 14 in a middle shield 3 is supported on a 360-degree full-coverage support ring 13 of a roadway attached to a rock wall and propels forwards by virtue of reaction force.
(2) Deslagging: the cut residue soil enters a soil bin in the cutter head 1 through an opening in the cutter head 1, the residue soil in the soil bin is conveyed to a scraper conveyor 9 on a rear matched trolley 10 through a spiral conveyor 8, is conveyed to the tail part of the rear matched trolley 10 through the scraper conveyor 9, and is conveyed out of a roadway through a residue soil truck at the tail part of the rear matched trolley 10.
(3) And (3) supporting: the support ring installation system 6 behind the tail shield installs scattered support ring modules 131 behind the tail shield into a support ring 13, the grouting device 15 on the trolley injects special slurry between the support ring 13 and the rock wall, the support ring 13 supports the rock wall to protect construction equipment and constructors, the support ring disassembly system 11 at the tail of the trolley disassembles the support ring 13, and the support ring transportation system 7 transports the support ring 13 to the vicinity of the support ring installation system 6 through the tail support ring disassembly system 11, so that the support ring 13 can be recycled. After the support ring 13 is detached, the jumbolter 121 and other mining support equipment behind the support ring detaching system 11 are used for forming temporary support of the traditional roadway.
In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. The utility model provides an automatic change mining tunnelling machine which characterized in that: the device comprises a tunneling system, a support ring mounting system (6), a support ring dismounting system (11) and a support ring conveying system (7);
the tunneling system comprises a cutter head (1) positioned at the front end of the tunneling machine and a shield group behind the cutter head (1);
the support ring mounting system (6) is positioned at the rear part of the shield group and is used for grabbing, hoisting and placing the support rings (13);
the support ring dismounting system (11) is located behind the heading machine and used for dismounting the support ring and conveying the dismounted support ring (13) to the support ring mounting system (6) through the support ring conveying system (7) for recycling.
2. The automatic mining tunneling machine according to claim 1, characterized in that:
the heading machine also comprises a spiral conveyor (8), a scraper conveyor (9) and a rear matched trolley (10);
the shield group comprises a front shield (2), a middle shield (3) and a rear shield (5) which are arranged at the front end of the tunneling machine in sequence;
the bottom of anterior shield (2) is provided with screw conveyer (8) for collect and transport the dregs that blade disc (1) cut down scraper conveyor (9) are last, by scraper conveyor (9) carry the supporting platform truck (10) afterbody in back, again by being located the dregs car of the supporting platform truck (10) afterbody in back transports outside the tunnel.
3. An automated mining roadheader according to claim 2, characterized in that:
the front shield (2) is used as a supporting structure of a main drive (4), and the main drive (4) is used for driving the cutter head (1) to rotate;
the middle shield (3) is a framework which bears all loads acting on the roadway heading machine;
the rear shield (5) is used for supporting the part, which is not supported, of the roadway just excavated;
the support ring mounting system (6) is arranged on the rear support inside the middle shield (3);
the support ring transportation system (7) is arranged behind the support ring installation system (6) and is used for transporting scattered support ring modules detached by the support ring detachment system (11) to the vicinity of the support ring installation system (6);
the support ring dismounting system (11) is arranged at the tail part of the rear matching trolley (10) and used for dismounting and arranging the support ring (13).
4. The automatic mining tunneling machine according to claim 1, characterized in that:
the support ring mounting system (6) is arranged on a sliding rail (66), and the sliding rail (66) is fixed on a rear support inside the middle shield (3);
the support ring mounting system (6) comprises a slewing mechanism (61), a telescopic oil cylinder (62), a moving oil cylinder (63), a mechanical arm (64) and a grabbing disc (65);
the moving oil cylinder (63) and the telescopic oil cylinder (62) are used for respectively realizing the movement of the X axis and the Y axis of the mechanical arm (64), the swing mechanism (61) is used for realizing the circular movement of the mechanical arm (64) along the support ring (13), and the swing mechanism (61) realizes the 360-degree rotation through a hydraulic motor; the end of the mechanical arm (64) is also provided with the gripping disc (65) for gripping/mounting the support ring (13).
5. An automated mining roadheader according to claim 2, characterized in that:
and the circumferences in the middle shield (3) are provided with propulsion oil cylinders (14) for pushing the roadway heading machine to advance.
6. An automated mining roadheader according to claim 3, characterized in that:
and a mining support equipment group (12) is arranged behind the support ring dismounting system (11) and is used for carrying out spray anchor support on the roadway.
7. An automated mining roadheader according to claim 6, characterized in that:
the mining supporting equipment group (12) comprises an anchor rod drilling machine (121) and guniting equipment (122), wherein pedestrian platforms are arranged behind the anchor rod drilling machine (121) and the guniting equipment (122) and used for operating the equipment.
8. An automated mining roadheader according to claim 3, characterized in that:
the main drive (4) comprises a main bearing, a motor and a speed reducer, and the motor and the speed reducer drive the main bearing to further drive the cutter head (1) to rotate.
9. The automatic mining tunneling machine according to claim 1, characterized in that:
and a power supply auxiliary device is also arranged in the tunnel boring machine.
10. An automated mining roadheader according to claim 2, characterized in that:
the bottom in rear portion shield (5) still is provided with slip casting device (15), is used for right the gap between support ring (13) and the tunnel wall carries out the slip casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022139248.XU CN213775387U (en) | 2020-09-25 | 2020-09-25 | Automatic change mining tunnelling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022139248.XU CN213775387U (en) | 2020-09-25 | 2020-09-25 | Automatic change mining tunnelling machine |
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| CN213775387U true CN213775387U (en) | 2021-07-23 |
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| CN202022139248.XU Active CN213775387U (en) | 2020-09-25 | 2020-09-25 | Automatic change mining tunnelling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833462A (en) * | 2021-09-06 | 2021-12-24 | 中国矿业大学 | Protective layer mining robot |
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2020
- 2020-09-25 CN CN202022139248.XU patent/CN213775387U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833462A (en) * | 2021-09-06 | 2021-12-24 | 中国矿业大学 | Protective layer mining robot |
| CN113833462B (en) * | 2021-09-06 | 2023-12-01 | 中国矿业大学 | Protective layer exploitation robot |
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