CN109931074A - Speedy drivage system and speedy drivage method - Google Patents

Abstract

The present invention provides a kind of speedy drivage system and speedy drivage methods.Wherein, speedy drivage system includes: mole, including traveling component, cutting component and support component, and traveling component drives cutting component and support component movement；Temporary support device, including multiple brackets, each bracket has supporting state and retracted state, support component is used for lifting-up support, and after cutting component cutting preset time, support component jacks at least one bracket, the bracket is switched to retracted state by supporting state, support component drives the support motion to predetermined position, and bracket is switched to supporting state by retracted state, to be supported to tunnel；Suspension device, suspension device is located at the downstream position of mole, and when component to be supported drives the support motion to predetermined position, suspension device carries out anchor pole and/or cable bolting to tunnel.The problem of tunnelling efficiency that the present invention solves coal mining in the prior art is lower, influences manufacturing schedule.

Description

Rapid excavation system and rapid excavation method

technical field

The invention relates to the technical field of mining equipment, in particular, to a rapid excavation system and a rapid excavation method.

Background technique

At present, there are two main methods of domestic coal mining: one is machine excavation (such as roadheader) excavation; the other is still using the old-fashioned drilling method. When the two methods are excavating, most of the support methods are bolt support.

In the prior art, the excavation process of the roadheader is as follows: firstly, the roadheader is cut, and after one cycle of cutting, the roadheader is stopped, and a manual hand-held single-piece bolter or an airbolt machine-mounted bolter is used. It takes 7 to 15 minutes to cut a cycle of cutting by the tunneling device, and it takes more than half an hour to complete the supporting operations such as anchor cables and bolts, which seriously affects the efficiency of tunneling in coal mines. .

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide a fast excavation system and a fast excavation method, so as to solve the problem of low excavation efficiency of the roadway in coal mining in the prior art, which affects the production progress.

In order to achieve the above purpose, according to one aspect of the present invention, a rapid excavation system is provided, comprising: a tunneling device, including a traveling assembly, a cutting assembly and a supporting assembly, the traveling assembly drives the cutting assembly and the supporting assembly to move; temporary support At least part of the excavation device is in the support area of the temporary support device, and the temporary support device includes a plurality of brackets arranged at intervals along the extension direction of the roadway, each bracket has a support state and a retracted state, and the support assembly is used for roofing. Lift the bracket. After the cutting component cuts the preset time, the support component lifts at least one bracket, the bracket is switched from the support state to the retracted state, the support component drives the bracket to move to the preset position, and the bracket is retracted from the retracted state. The state is switched to the support state to support the roadway; the support device, along the travel direction of the excavation device, the support device is located at the downstream position of the excavation device, and when the support assembly drives the bracket to move to the preset position, the support device is supported. The roadway is supported by bolts and/or cables.

Further, the traveling assembly includes a first vehicle body and a crawler-type traveling portion connected with the first vehicle body, the support assembly is arranged on the first vehicle body, and the excavation device further includes: a transport assembly, connected with the first vehicle body, along the excavation In the traveling direction of the device, the transport assembly is located at the downstream position of the first vehicle body, so as to transport the coal cut by the cutting assembly.

Further, the transport assembly includes: a bridge belt transfer machine, including a head and a tail connecting part, the head is connected with the traveling assembly; a transition belt conveyor, the transition belt conveyor is connected with the tail connecting part, and the cutting assembly cuts the The coal material is transported to the outside of the roadway through the transition belt conveyor.

Further, the support device includes: a second vehicle body; a rock bolt drilling unit, which is arranged on the second vehicle body, and the rock bolt drilling unit is capable of supporting the bolt; The cable anchoring unit can support the anchoring cable; the walking part is arranged below the second vehicle body to drive the second vehicle body, the bolt drilling unit and the cable anchoring unit to travel.

Further, the running part includes two sub running structures, the two sub running structures are arranged at intervals along a direction perpendicular to the running direction of the excavation device, and the two sub running structures are respectively located on both sides of the transport assembly.

Further, the rock bolt drilling set includes four top rock bolt drilling rigs, two upper rock bolt drilling rigs, and two lower rock rock drilling rigs. Along the traveling direction of the support device, the four top rock bolt drilling rigs are located in the two upper rock bolt drilling rigs. Between the rock bolt drilling rig and the two lower rock bolt drilling rigs; among them, the four top rock bolt drilling rigs are arranged at intervals along the direction perpendicular to the traveling direction of the supporting device, and the two upper rock bolt drilling rigs are arranged along the direction perpendicular to the supporting device. The directions perpendicular to the traveling direction are arranged at intervals, and the two lower-assist rock bolt drilling rigs are arranged at intervals along the direction perpendicular to the traveling direction of the support device.

Further, the bolt drilling rig includes two bolt drilling rigs, and the two bolt drilling rigs are located between the four top bolt drilling rigs and the two lower bolt bolt drilling rigs; wherein, the two bolt drilling rigs are located along the distance between the two anchor bolt drilling rigs and the supporting device. The direction of travel is perpendicular to the direction interval setting.

Further, the rapid excavation system further includes: an air supply device, including a blower fan and an air supply duct communicated with the air outlet of the blower fan, and the air supply duct extends into the roadway to perform air supply operation in the roadway.

Further, each support includes a roof beam and a first driving device connected with the roof beam, and the first driving device drives the roof beam to perform telescopic movement along the height direction of the roadway; wherein, the bracket has a support state when the roof beam is in an extended state. and the retracted state when the top beam is in the retracted state.

According to another aspect of the present invention, a rapid excavation method is provided, which is suitable for the above-mentioned rapid excavation system. The rapid excavation method includes: step S1: the excavation device of the rapid excavation system cuts the roadway; step S2: the device to be excavated After the cutting component cuts the preset time, the support component of the rapid excavation system lifts the support close to the support device among the multiple supports of the rapid excavation system, and the support is switched from the support state to the retracted state, and the support component Drive the support to travel along the roadway; Step S3: when the support assembly drives the support to move to a preset position, the support is switched from the retracted state to the support state to support the roadway, and at the same time, the support device is used to support the roadway. Anchor rod and/or anchor cable support.

By applying the technical scheme of the present invention, before the tunneling device performs cutting, the temporary support device is used to temporarily support the roadway, so as to ensure the safety of the roadway construction. After the cutting component cuts the preset time, the support component lifts at least one bracket, the bracket is switched from the support state to the retracted state, and the support component drives the bracket to move to the preset position. At the same time, the support device supports the roadway with bolts and/or cables. The bracket transported to the preset position is switched from the retracted state to the support state to support the roadway, thereby realizing the forward movement of the temporary support device, and the excavation device continues the cutting operation.

Compared with the alternate operation of the excavation device and the support in the prior art, the excavation action of the excavation device and the support operation of the support device of the rapid excavation system in the present application can be performed simultaneously, thereby shortening the production time and improving the roadway. The tunneling efficiency is improved, thereby solving the problem that the tunnel tunneling efficiency of coal mining in the prior art is low and affects the production progress.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

Figure 1 shows a side view of an embodiment of a rapid excavation system according to the present invention;

FIG. 2 shows a top view of the rapid excavation system in FIG. 1;

FIG. 3 shows a side view of the excavation device of the rapid excavation system in FIG. 1;

FIG. 4 shows a schematic structural diagram of the supporting assembly and the second driving device of the excavation device in FIG. 3 after being assembled;

FIG. 5 shows a side view of the support device of the rapid tunneling system of FIG. 1; and

FIG. 6 shows a schematic structural diagram of the bracket of the rapid excavation system in FIG. 1 .

Wherein, the above-mentioned drawings include the following reference signs:

10, temporary support device; 11, bracket; 111, top beam; 112, first drive device; 113, telescopic arm; 114, column; 116, side support plate assembly; 116a, side support plate; 116b, No. Four-drive device; 20, tunneling device; 21, traveling assembly; 211, first vehicle body; 212, crawler traveling part; 22, support assembly; 221, first support frame body; 222, second support frame body; 222a 23, the second drive device; 24, the cutting assembly; 25, the transport assembly; 251, the bridge belt loader; 252, the transition belt conveyor; 30, the supporting device; 31, the second body; 32 321, top bolting rig; 322, upper bolting rig; 323, lower bolting rig; 33, bolting rig; 331, bolting rig; 34, walking part; 341, sub Walking structure; 40. Air supply device.

Detailed ways

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless otherwise stated, directional words such as "up and down" are usually used in the direction shown in the drawings, or in the vertical, vertical or gravity direction Similarly, for the convenience of understanding and description, "left and right" usually refer to the left and right shown in the drawings; "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned orientation Words are not used to limit the invention.

In order to solve the problem of low tunnel excavation efficiency in coal mining in the prior art, which affects the production progress, the present application provides a fast excavation system and a fast excavation method.

As shown in FIG. 1 and FIG. 2 , the rapid excavation system includes an excavation device 20 , a temporary support device 10 and a support device 30 . The excavation device 20 includes a traveling assembly 21 , a cutting assembly 24 and a supporting assembly 22 , and the traveling assembly 21 drives the cutting assembly 24 and the supporting assembly 22 to move. At least part of the excavation device 20 is in the support area of the temporary support device 10. The temporary support device 10 includes a plurality of brackets 11 arranged at intervals along the extension direction of the roadway. Each bracket 11 has a support state and a retracted state. 22 is used to lift the support 11. After the cutting component 24 cuts the preset time, the support component 22 lifts a support 11, the support 11 is switched from the support state to the retracted state, and the support component 22 drives the support 11 to move At the preset position, the support 11 is switched from the retracted state to the supporting state to support the roadway. The supporting device 30 is located at the downstream position of the excavating device 20 along the traveling direction of the excavating device 20. When the supporting assembly 22 drives the bracket 11 to move to the preset position, the supporting device 30 performs the bolting and/or anchoring of the roadway. Cable support.

By applying the technical solution of this embodiment, before the tunneling device 20 performs cutting, the temporary support device 10 is used to temporarily support the roadway, so as to ensure the safety of roadway construction. After the cutting assembly 24 cuts the preset time, the support assembly 22 lifts up a bracket 11, the bracket 11 is switched from the support state to the retracted state, and the support assembly 22 drives the bracket 11 to move to a preset position. At the same time, the support device 30 supports the roadway with bolts and/or cables. The support 11 transported to the preset position is switched from the retracted state to the support state to support the roadway, thereby realizing the forward movement of the temporary support device 10, and the excavation device 20 continues the cutting operation.

Compared with the alternate operation of the excavation device and the support in the prior art, the excavation action of the excavation device 20 and the support operation of the support device 30 of the rapid excavation system in this embodiment can be performed at the same time, thereby shortening the production time. The tunnel excavation efficiency is improved, thereby solving the problem that the tunnel excavation efficiency of coal mining in the prior art is low and the production progress is affected.

In this embodiment, the rapid excavation system can improve the excavation efficiency of the existing coal mine roadway by 2 to 4 times, improve the mechanical automation degree of the coal mine roadway excavation, improve the safety level, and reduce the labor intensity of the staff.

In this embodiment, the excavation device 20 is a specially made bolter. It should be noted that the type of the excavation device 20 is not limited to this. Optionally, the excavation device 20 is a specially made continuous miner or a specially made excavator.

It should be noted that, the number of the support assemblies 22 to lift the brackets 11 at one time is not limited to this, as long as the production requirements can be met. Optionally, the support assembly 22 lifts two or three brackets 11 .

As shown in FIG. 3 , the traveling assembly 21 includes a first vehicle body 211 and a crawler-type traveling portion 212 connected to the first vehicle body 211 , the support assembly 22 is disposed on the first vehicle body 211 , and the excavation device 20 further includes a transport assembly 25 . The transport assembly 25 is connected to the first vehicle body 211 , and is located downstream of the first vehicle body 211 along the traveling direction of the tunneling device 20 to transport the coal cut by the cutting assembly 24 . In this way, the crawler-type traveling part 212 drives the first vehicle body 211 and the support assembly 22 disposed on the first vehicle body 211 to travel along the construction direction of the roadway, and the coal cut by the cutting assembly 24 is transported to the roadway through the transport assembly 25 In addition, in order to ensure the cleanliness in the roadway, it is convenient for the staff and the supporting device 30 to travel.

As shown in FIG. 3 , the tunneling device 20 further includes a second driving device 23 provided on the first vehicle body 211 . Wherein, the supporting assembly 22 is connected with the traveling assembly 21 through the second driving device 23 , and the second driving device 23 drives the supporting assembly 22 to lift the bracket 11 .

As shown in FIGS. 2 and 3 , the transport assembly 25 includes an overhead belt transfer conveyor 251 and a transition belt conveyor 252 . Among them, the bridge belt transfer machine 251 includes a head and a tail connecting part, and the head is connected with the traveling assembly 21 . The transition belt conveyor 252 is connected to the tail connection part, and the coal cut by the cutting assembly 24 is transported to the outside of the roadway through the transition belt conveyor 252 . In this way, the above arrangement makes the transportation efficiency of the coal material by the transportation assembly 25 higher and realizes rapid transportation. Specifically, the coal cut by the cutting assembly 24 is transported to the outside of the roadway through the bridge belt transfer machine 251 and the transition belt conveyor 252 in turn.

As shown in FIG. 5 , the support device 30 includes a second vehicle body 31 , a bolt drilling unit 32 , a cable bolt drilling unit 33 and a walking portion 34 . Wherein, the rock bolt drilling unit 32 is arranged on the second vehicle body 31, and the rock bolt drilling unit 32 can perform rock bolt support. The cable drilling unit 33 is provided on the second vehicle body 31 , and the cable drilling unit 33 can perform anchor cable support. The walking portion 34 is disposed below the second vehicle body 31 to drive the second vehicle body 31 , the bolt drilling unit 32 and the cable bolt drilling unit 33 to travel. In this way, the traveling part 34 drives the bolt drilling unit 32 and the cable bolt drilling unit 33 to travel through the second vehicle body 31 , thereby making the travel of the support device 30 easier. The bolt drilling unit 32 performs bolt support for the roadway, and the bolt and cable drilling unit 33 performs bolt and cable support for the roadway, thereby improving the supporting efficiency of the supporting device 30 and ensuring the safety of roadway production.

As shown in FIG. 5 , the traveling portion 34 includes two sub-traveling structures 341 . The two sub-traveling structures 341 are arranged at intervals along the direction perpendicular to the traveling direction of the excavation device 20 . In this way, the traveling portion 34 is erected on the transport assembly 25 , thereby avoiding structural interference between the traveling portion 34 and the transport assembly 25 and affecting the production of the rapid excavation system.

It should be noted that the number of sub-running structures 341 is not limited to this. Optionally, the running portion 34 includes four or six or eight sub-running structures 341 .

In this embodiment, the rock bolt drilling unit 32 includes four top rock bolt drilling machines 321 , two upper rock bolt drilling machines 322 and two lower rock rock drilling machines 323 . The bolting rig 321 is located between the two upper bolting rigs 322 and the two lower bolting rigs 323 . Among them, the four top rock bolt drilling machines 321 are arranged at intervals along the direction perpendicular to the traveling direction of the support device 30, the two upper rock bolt drilling machines 322 are arranged at intervals along the direction perpendicular to the traveling direction of the support device 30, and the two The lower rock bolting rigs 323 are arranged at intervals along the direction perpendicular to the traveling direction of the support device 30 . In this way, each top bolting rig 321 performs bolting support on the top of the roadway, each upper bolting rig 322 performs bolting support on the upper wall of the roadway, and each lower bolting rig 323 performs bolting on the lower wall of the roadway. Bolt support is carried out to ensure the safety of roadway production.

It should be noted that the number of the top bolt drilling machines 321 is not limited to this. Optionally, the rock bolters 32 include two or six or eight top bolters 321 .

It should be noted that, the number of the top rock bolt drilling machines 322 is not limited to this. Optionally, the bolter rig 32 includes four or six or eight top-up bolters 322 .

It should be noted that the number of the lower rock bolt drilling machines 323 is not limited to this. Optionally, the bolter rig 32 includes four or six or eight drop bolters 323 .

In the present embodiment, the cable drilling rig 33 includes two cable drilling rigs 331 , and the two cable drilling rigs 331 are located between the four top bolting rigs 321 and the two lower bolting rigs 323 . Wherein, the two anchoring rigs 331 are arranged at intervals along the direction perpendicular to the traveling direction of the support device 30 . In this way, the anchor cable drilling rig 331 performs anchor cable support for the roadway, thereby ensuring the safety of the roadway production.

Specifically, the first two upper bolt drilling rigs 322 of the support device 30 are carried out in the support area of the temporary support device 10, and the bolt construction is in front of the anchor cable construction, the anchor cable support strength is high, and the anchor cable support distance The front end of the roadway is relatively close to the head, which can ensure the safety of roadway excavation. The construction time of a single anchor cable is relatively long, every three rows is constructed once, and the anchor rod construction time is relatively short, each row needs to be constructed, and the anchor cable construction and the anchor rod construction are separated by a certain distance.

It should be noted that the number of the cable anchors 331 is not limited to this. Optionally, the cable drilling rig 33 includes four or six or eight cable drilling rigs 331 .

In this embodiment, the support device 30 is a ten-arm bolt and cable trolley.

As shown in FIG. 1 and FIG. 2 , the rapid excavation system further includes an air supply device 40 . Wherein, the air supply device 40 includes a blower and an air supply duct communicated with the air outlet of the blower, and the air supply duct extends into the roadway to perform air supply operation in the roadway. In this way, the air supply duct extends into the roadway to provide sufficient oxygen in the roadway, thereby ensuring the safe production of workers. In addition, the air supply duct can remove dust in the roadway to prevent dust from entering the mouth and nose of the staff.

In this embodiment, the air supply ducts are connected to both sides of the support device 30 and extend to the front of the roadway.

As shown in FIG. 6 , each bracket 11 includes a roof beam 111 and a first driving device 112 connected to the roof beam 111 , and the first driving device 112 drives the roof beam 111 to telescopically move along the height direction of the roadway. The bracket 11 has a support state when the top beam 111 is in an extended state and a retracted state when the top beam 111 is in a retracted state. Specifically, when the support assembly 22 lifts the bracket 11 , the bracket 11 is switched from the support state to the retracted state, thereby reducing the occupied space of the bracket 11 and facilitating the passage of the bracket 11 from the supporting space of the remaining brackets 11 . Pass.

As shown in FIG. 6 , each bracket 11 further includes a telescopic arm 113 , a column 114 and a third driving device. Wherein, the telescopic arm 113 is penetrated in the top beam 111 . The upright column 114 is hinged with the telescopic arm 113 , and the upright column 114 is connected with the top beam 111 through the telescopic arm 113 . The telescopic arm 113 is connected to the top beam 111 through a third driving device. The third driving device drives the telescopic arm 113 to move along the top beam 111 to adjust the span of the bracket 11 . In this way, when the span of the bracket 11 needs to be adjusted, the third driving device drives the telescopic arm 113 to move along the top beam 111 to realize the adjustment of the span of the upper part of the bracket 11, thereby making it easier for the staff to adjust the span of the bracket 11. Simple and convenient, reducing the labor intensity of the staff.

Specifically, there are two uprights 114 , and the two uprights 114 and the top beam 111 form a support space. Along the construction direction of the roadway, when it is necessary to transfer and transport the support 11 on the rear side, the traveling assembly 21 drives the support assembly 22 and the second drive device 23 to move to the position of the support 11 to be transferred, and the second drive device 23 drives. The support assembly 22 lifts the bracket 11, and at the same time, the bracket 11 is switched from the support state to the retracted state (including the adjustment of the span of the bracket 11), thereby facilitating the bracket 11 to pass through the support space of the other brackets 11, In order to make the transportation of the bracket 11 easier and more convenient.

In this embodiment, the top beam 111 is a tubular structure, and the telescopic arm 113 is penetrated in the top beam 111 . The telescopic direction of the telescopic arm 113 is along the extension direction of the top beam 111 .

In this embodiment, there are two telescopic arms 113 and two uprights 114 , the two uprights 114 are arranged in a one-to-one correspondence with the two telescopic arms 113 , there are two third driving devices, and the two third driving devices are connected to The two telescopic arms 113 are provided in a one-to-one correspondence, and each third driving device drives the corresponding telescopic arms 113 to move along the top beam 111 . In this way, the two third driving devices can drive the corresponding telescopic arms 113 to move, thereby making the adjustment of the span of the bracket 11 easier and faster, shortening the adjustment time, and improving the work efficiency.

It should be noted that the number of the telescopic arms 113 is not limited to this. Optionally, the number of telescopic arms 113 is one, that is, one side of the bracket 11 is movable, thereby realizing the adjustment of the span of the bracket 11 .

As shown in FIG. 6 , each bracket 11 also includes a side brace assembly 116 . The side support plate assembly 116 includes a side support plate 116a and a fourth driving device 116b connected to the side support plate 116a. The fourth driving device 116b drives the side support plate 116a to rotate in a preset direction, and the side support When the plate 116a is rotated to the second preset position, the side support plate 116a shields the outer side of the upright column 114 . In this way, when the support 11 is in the supporting state, the side support plate assembly 116 can also shield the outside of the column 114 (outside the support space), thereby preventing the gravel in the roadway from falling on the support through the outside of the column 114 The safety of the roadway support equipment is further improved.

In this embodiment, there are two side support plate assemblies 116 , and the two side support plate assemblies 116 are provided in a one-to-one correspondence with the two uprights 114 . In this way, the above arrangement realizes the shielding of the two side support plate assemblies 116 on both sides of the two uprights 114, so as to prevent the gravel and the like in the roadway from smashing the workers.

As shown in FIG. 6, the side support plate 116a is hinged with the end of the telescopic arm 113 away from the top beam 111, and the driving end of the fourth driving device 116b is hinged with the side support plate 116a to drive the side support plate 116a to rotate in a preset direction . Specifically, the fourth driving device 116b drives the side support plate 116a to rotate around the hinged end of the side support plate 116a and the telescopic arm 113, so as to realize the shielding of the side support plate 116a from the outer side of the upright column 114, so that the staff on the opposite side The operation of the support plate 116a is easier and more convenient, and the labor intensity of the staff is reduced.

In this embodiment, the first driving device 112 , the second driving device 23 , the third driving device and the fourth driving device 116 b are hydraulic cylinders. In this way, the above arrangement makes the operation of the support 11 and the support assembly 22 easier and more convenient for the staff, and also reduces the processing cost of the roadway support equipment.

It should be noted that the types of the first driving device 112 , the second driving device 23 , the third driving device and the fourth driving device 116 b are not limited to this. Optionally, the first driving device 112 is an electric cylinder or an air cylinder. Optionally, the second driving device 23 is an electric cylinder or an air cylinder. Optionally, the third driving device is an electric cylinder or an air cylinder. Optionally, the fourth driving device 116b is an electric cylinder or an air cylinder.

As shown in FIG. 4 , the support assembly 22 includes a first support frame body 221 and a second support frame body 222 . The second support frame body 222 is disposed on the first support frame body 221 , and the second support frame body 222 is connected to the second driving device 23 through the first support frame body 221 . The second support frame body 222 has a support recess 222 a for accommodating the top beam 111 . In this way, the supporting recess 222 a of the second supporting frame body 222 is used to support the bracket 11 , and the second supporting frame body 222 is connected to the traveling assembly 21 through the first supporting frame body 221 . The above arrangement makes the disassembly and assembly of the support assembly 22 easier and more convenient, and reduces the labor intensity of the staff.

Optionally, there are a plurality of first support frame bodies 221, each of the first support frame bodies 221 is a linear module, the plurality of linear modules are arranged along the height direction of the roadway, and the extension directions of the linear modules are consistent. Wherein, the linear module located above is arranged on the sliding block of the linear module located below the linear module. In this embodiment, there are three first support frame bodies 221 , and the three first support frame bodies 221 are arranged along the height direction of the roadway, and two adjacent first support frame bodies 221 can slide relative to each other, and then The support width of the second support frame body 222 is widened, which facilitates the second support frame body 222 to lift the bracket 11 .

It should be noted that the number of the first support frame bodies 221 is not limited to this. Optionally, there are two or three or five first support frame bodies 221 .

As shown in FIG. 4 , there are two second driving devices 23 , and the two second driving devices 23 operate synchronously. In this way, the above arrangement can ensure the reliability of the lifting of the support assembly 22 by the second driving device 23, thereby ensuring that the support assembly 22 can transfer the bracket 11 to a preset position.

It should be noted that the number of the second driving devices 23 is not limited to this. Optionally, the number of second driving devices 23 is one, three or four, as long as the support assembly 22 can be lifted.

In this embodiment, the temporary support device 10 further includes a pressure monitoring device. Wherein, the pressure monitoring device is arranged on at least one bracket 11 , and when the bracket 11 is in a supporting state, the pressure monitoring device is used to monitor the force exerted by the roadway surface on the bracket 11 . In this way, the pressure monitoring device can realize the real-time monitoring of the mine pressure on the roof of the roadway, and also have the functions of pressure monitoring, display, alarm, recording and analysis. If the pressure is too large, an alarm will be issued to prompt the staff to evacuate. At the same time, different support methods can be selected according to the roof pressure.

Specifically, the pressure monitoring devices are arranged on the two sides of the bracket 11, and are connected to the host through wireless data transmission. When the pressure monitoring device detects that the pressure on the top beam 111 on the support 11 is too large, an audible and visual alarm will be generated. Afterwards, the side of the two first driving devices 112 where the pressure is too large will automatically release the pressure to ensure the safety of man-machines in the roadway.

In this embodiment, the temporary support device 10 further includes an anti-collision detection device. Wherein, the anti-collision detection device is arranged on at least one bracket 11, and when the distance between the support assembly 22 and the anti-collision detection device is less than or equal to a preset distance, the anti-collision detection device emits a buzzer sound and/or emits light. In this way, the anti-collision detection device disposed on the bracket 11 can obtain the position of the cutting assembly 24, and when the relative position between the two enters a non-safe distance, the machine will stop after sound and light warning to ensure the safety of human and machine.

In this embodiment, the rapid excavation system is divided into: temporary forward exploration area (formed by the cutting assembly 24 ), temporary support area (the support area formed by the temporary support device 10 ), and anchor support construction area ( The support area of the support device 30) and the belt transport area (the transport area of the transport assembly 25).

The application also provides a fast excavation method, which is applicable to the above-mentioned fast excavation system, and the fast excavation method includes:

Step S1: the tunneling device 20 of the rapid tunneling system cuts the roadway;

Step S2: After the cutting assembly 24 of the excavation device 20 has cut the preset time, the support assembly 22 of the rapid excavation system lifts the support 11 close to the support device 30 among the multiple supports 11 of the rapid excavation system. 11 is switched from the support state to the retracted state, and the support assembly 22 drives the support 11 to travel along the roadway;

Step S3: When the support assembly 22 drives the support 11 to move to a preset position, the support 11 is switched from the retracted state to the support state to support the roadway, and at the same time, the support device 30 performs the bolting and bolting of the roadway. / or anchor cable support.

Specifically, before the excavation device 20 performs cutting, the temporary support device 10 is used to temporarily support the roadway. After the cutting assembly 24 cuts the preset time, the second driving device 23 drives the supporting assembly 22 to move to the position of the last bracket 11 in the temporary support device 10 , and the second driving device 23 drives the supporting assembly 22 to the bracket 11 . The jacking is performed, and the bracket 11 is switched from the supporting state to the retracting state. After that, the support assembly 22 drives the bracket 11 to move to a preset position (the front side of the remaining brackets 11 ), the bracket 11 is switched from the retracted state to the support state, and the tunneling device 20 performs the next cycle of cutting. Wherein, when the support assembly 22 drives the bracket 11 to move to a preset position, the support device 30 supports the roadway. Wherein, each time the cutting assembly 24 works for one cycle, the supporting assembly 22 drives the bracket 11 to move forward by one frame.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

Before the tunneling device cuts, the temporary support device is used to temporarily support the roadway to ensure the safety of the roadway construction. After the cutting component cuts the preset time, the support component lifts at least one bracket, the bracket is switched from the support state to the retracted state, and the support component drives the bracket to move to the preset position. At the same time, the support device supports the roadway with bolts and/or cables. The bracket transported to the preset position is switched from the retracted state to the support state to support the roadway, thereby realizing the forward movement of the temporary support device, and the excavation device continues the cutting operation.

Compared with the alternate operation of the excavation device and the support in the prior art, the excavation action of the excavation device and the support operation of the support device of the rapid excavation system in the present application can be performed simultaneously, thereby shortening the production time and improving the roadway. The tunneling efficiency is improved, thereby solving the problem that the tunnel tunneling efficiency of coal mining in the prior art is low and affects the production progress.

Obviously, the above-described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, acts, devices, components, and/or combinations thereof.

It should be noted that the terms "first", "second", etc. in the description and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that data so used may be interchanged under appropriate circumstances so that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. a fast excavation system, is characterized in that, comprises: An excavation device (20) includes a traveling assembly (21), a cutting assembly (24) and a supporting assembly (22), the traveling assembly (21) driving the cutting assembly (24) and the supporting assembly (22) sports; A temporary support device (10), wherein at least part of the excavation device (20) is located in the support area of the temporary support device (10), the temporary support device (10) comprises spaced arrangements along the extension direction of the roadway a plurality of brackets (11), each bracket (11) has a support state and a retracted state, the support assembly (22) is used to lift the bracket (11), and the cutting assembly (24) ) After cutting for a preset time, the support assembly (22) lifts up at least one of the supports (11), the support (11) is switched from the support state to the retracted state, and the support assembly ( 22) Drive the support (11) to move to a preset position, and the support (11) is switched from the retracted state to the support state to support the roadway; A support device (30), along the travel direction of the excavation device (20), the support device (30) is located at a downstream position of the excavation device (20), and the support assembly (22) drives the support device (22). When the bracket (11) moves to a preset position, the support device (30) supports the roadway with an anchor rod and/or an anchor cable. 2. The rapid excavation system according to claim 1, wherein the traveling assembly (21) comprises a first vehicle body (211) and a crawler-type traveling part (211) connected to the first vehicle body (211). 212), the support assembly (22) is arranged on the first vehicle body (211), and the excavation device (20) further comprises: A transport assembly (25), connected with the first vehicle body (211), along the traveling direction of the excavation device (20), the transport assembly (25) is located at a downstream position of the first vehicle body (211) to convey the coal cut by the cutting assembly (24). 3. The rapid excavation system according to claim 2, wherein the transport assembly (25) comprises: A bridge-type belt transfer machine (251), comprising a head and a tail connecting part, the head is connected with the traveling assembly (21); A transition belt conveyor (252), the transition belt conveyor (252) is connected with the tail connection part, and the coal cut by the cutting assembly (24) is transported to the outside the alleyway. 4. The rapid excavation system according to claim 2, wherein the supporting device (30) comprises: the second body (31); A rock bolt drilling unit (32), which is arranged on the second vehicle body (31), and the rock bolt drilling unit (32) can perform rock bolt support; An anchor cable drilling unit (33) is provided on the second vehicle body (31), and the anchor cable drilling unit (33) is capable of performing anchor cable support; A walking part (34) is arranged below the second vehicle body (31) to drive the second vehicle body (31), the rock bolt drilling unit (32) and the cable bolt drilling unit (33) ) to proceed. 5 . The rapid excavation system according to claim 4 , wherein the traveling part ( 34 ) comprises two sub-travel structures ( 341 ), and the two sub-travel structures ( 341 ) are along with the excavation device ( 5 . 20) are arranged at intervals in the direction perpendicular to the traveling direction, and the two sub-running structures (341) are respectively located on both sides of the transport assembly (25). 6 . The rapid excavation system according to claim 4 , wherein the rock bolt drilling rig ( 32 ) comprises four top rock bolt drilling rigs ( 321 ), two upper rock bolt drilling rigs ( 322 ) and two The lower rock bolt drilling rigs (323), along the traveling direction of the support device (30), the four top rock bolt drilling rigs (321) are located in the two upper rock bolt drilling rigs (322) and the two upper rock bolt drilling rigs (322). between the bottom rock bolt drilling rigs (323); wherein, four of the top rock bolt drilling rigs (321) are arranged at intervals along the direction perpendicular to the traveling direction of the support device (30), and two of the top rock bolt drilling rigs (321) The auxiliary bolt drilling rigs (322) are arranged at intervals along a direction perpendicular to the traveling direction of the supporting device (30), and the two lower supporting bolt drilling rigs (323) are arranged along a distance between the supporting device (30) and the supporting device (30). The direction of travel is perpendicular to the direction interval setting. 7. The rapid excavation system according to claim 6, characterized in that, the cable drilling rig (33) comprises two cable drilling rigs (331), and the two cable drilling rigs (331) are located in four between the top rock bolt drilling rig (321) and the two lower rock bolt drilling rigs (323); wherein, the two cable bolt drilling rigs (331) are along the traveling direction of the support device (30) Vertical direction interval setting. 8. The fast excavation system according to claim 1, wherein the fast excavation system further comprises: An air supply device (40) includes a blower and an air supply duct communicated with an air outlet of the blower, and the air supply duct extends into the roadway to perform air supply operation in the roadway. 9 . The rapid excavation system according to claim 1 , wherein each of the brackets ( 11 ) comprises a top beam ( 111 ) and a first driving device ( 112 ) connected with the top beam ( 111 ), so the The first driving device (112) drives the roof beam (111) to perform telescopic movement along the height direction of the roadway; wherein the bracket (11) has a support when the roof beam (111) is in an extended state The protective state and the retracted state when the top beam (111) is in the retracted state. 10. A method for rapid excavation, characterized in that it is applicable to the rapid excavation system according to any one of claims 1 to 9, the rapid excavation method comprising: Step S1: the tunneling device (20) of the rapid tunneling system cuts the roadway; Step S2: After the cutting assembly (24) of the excavation device (20) has cut the preset time, the support assembly (22) of the rapid excavation system is placed in the plurality of supports (11) of the rapid excavation system. The support (11) close to the support device (30) is lifted, the support (11) is switched from the support state to the retracted state, and the support assembly (22) drives the support (11) to travel along the roadway; Step S3: When the support assembly (22) drives the support (11) to move to a preset position, the support (11) is switched from the retracted state to the support state, so as to carry out the maintenance of the roadway. At the same time, the support device (30) supports the roadway with bolts and/or cables.