CN114991797A - Exempt from interim supporting's quick digging, supporting and transporting integration system - Google Patents
Exempt from interim supporting's quick digging, supporting and transporting integration system Download PDFInfo
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- CN114991797A CN114991797A CN202210672317.4A CN202210672317A CN114991797A CN 114991797 A CN114991797 A CN 114991797A CN 202210672317 A CN202210672317 A CN 202210672317A CN 114991797 A CN114991797 A CN 114991797A
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- 230000010354 integration Effects 0.000 title abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000003245 coal Substances 0.000 claims abstract description 18
- 238000009412 basement excavation Methods 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000005641 tunneling Effects 0.000 description 17
- 238000005065 mining Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/126—Loading devices or installations
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to the technical field of roadway support and transportation, in particular to a temporary support-free rapid excavation, support and transportation integrated system; the cutting and shoveling device comprises a cutting part, a shoveling part and a plurality of machine body parts, wherein the plurality of machine body parts are arranged on a frame with a crawler travel mechanism in a straight line; the machine body part comprises a fixed machine body and a supporting machine body, an upper layer of carriage and a lower layer of carriage are formed in the machine body part, the supporting machine body is arranged on the fixed machine body through a jacking mechanism and is in sliding connection with the jacking mechanism, and the supporting machine bodies of adjacent machine body parts are connected through telescopic oil cylinders; the cutting part is arranged in an upper carriage of the first section of the machine body part and comprises a rotary seat, a cutting telescopic sleeve, a cutting arm and a cutting head; the shoveling and conveying part comprises a shovel plate, a star wheel and a belt conveyor; the whole system group is combined together to form a unified whole; therefore, the high functional integration of the rapid excavation, support and transportation integrated system can greatly improve the underground coal mine excavation efficiency, and the improvement efficiency can be predicted to be 3-4 times compared with that of the traditional excavation process.
Description
Technical Field
The invention relates to the technical field of roadway support and transportation, in particular to a temporary support-free rapid digging, supporting and transporting integrated system.
Background
About 90% of coal resources in China are mined in a well-working mode and the mining principle of 'mining and tunneling are repeated and advanced' is followed. The tunneling working face is a working place with the most intensive personnel and the worst environment in a coal mine, the traditional tunneling process adopts the alternate intermittent operation of tunneling and supporting, the speed is low, the number of workers is large, the safety is poor, the function of tunneling equipment is single, the mutual cooperativity is poor, the efficiency is low, the excavating imbalance is serious, the current mainstream tunneling process adopts a single drilling machine to tunnel the working face for supporting, the supporting time accounts for more than 60 percent of the total tunneling time, and the tunneling project progress and the coal mining efficiency are seriously influenced.
Disclosure of Invention
The invention aims to realize the integrated parallel operation of tunneling, supporting and transporting of a roadway tunneling working face; the support process is not stopped, and the working efficiency and the safety of the tunneling working face are improved.
The invention provides the following technical scheme: a temporary support-free rapid digging, supporting and transporting integrated system comprises a cutting part, a shoveling and transporting part and a plurality of machine body parts, wherein the plurality of machine body parts are arranged on a frame with a crawler traveling mechanism in a straight line manner, and connecting seams among the machine body parts are sealed by flexible rubber sheds; the machine body part comprises a fixed machine body and a supporting machine body, an upper layer of carriage and a lower layer of carriage are formed in the machine body part, the outer contour of the cross section of the supporting machine body is in a door frame shape, the supporting machine body is installed on the fixed machine body through a jacking mechanism and is in sliding connection with the jacking mechanism, and the supporting machine bodies of adjacent machine body parts are connected through telescopic oil cylinders; the cutting part is arranged in an upper carriage of the first machine body part and comprises a rotary seat, a cutting telescopic sleeve, a cutting arm and a cutting head, and the cutting head is driven by the cutting telescopic sleeve and the rotary seat to perform cutting motion in the front-back, left-right and up-down directions required by roadway excavation; the shoveling and conveying part comprises shovel plates, star wheels and belt conveyors, the lower layer of the carriage of the plurality of machine body parts is communicated with the front and the back to serve as chutes, the belt conveyors are arranged in the lower layer of the carriage and connected with the front and the back, the star wheels are arranged in the lower layer of the carriage of the first machine body part and arranged on two sides of the feeding end of the belt conveyors, and the shovel plates are arranged on the fixed machine body of the first machine body part and shovel accumulated coal into the lower layer of the carriage.
Furthermore, the jacking mechanism for supporting the supporting body comprises a plurality of supporting thrust oil cylinders, the supporting body comprises a top plate and supporting vertical plates at two ends of the top plate, guide grooves with small inlets and large inner cavities are integrally formed in the supporting vertical plates, the fixed ends of the supporting thrust oil cylinders are fixed on the fixed body, and the extending shaft ends of the supporting thrust oil cylinders are embedded in the guide grooves of the supporting body.
Furthermore, the supporting bodies are connected through hinged telescopic oil cylinders, one end of each hinged telescopic oil cylinder is hinged with the supporting body of the rear body part through a transverse hinged shaft, and the other end of each hinged telescopic oil cylinder is hinged with the supporting body of the front body part through a transverse hinged shaft.
Furthermore, the hinged structure between the hinged telescopic oil cylinder and the support body of the front body part is that a hinged shaft is limited in a vertical strip hole.
Furthermore, the frame adopts four crawler belt traveling mechanisms which are respectively arranged in a pair at the front and the back.
Furthermore, a wing plate for coating and fixing the machine body is arranged on a supporting vertical plate of the supporting machine body.
Compared with the prior art, the invention has the advantages that:
the invention is matched with the coal roadway rapid tunneling technology and complete equipment, realizes the integrated parallel operation of tunneling, supporting and transporting of the coal roadway comprehensive mechanical tunneling, greatly improves the efficiency and the safety of tunneling and transporting, and can realize the integration and the automation of tunneling, supporting and transporting. The invention mainly comprises a machine body part, a walking part, a cutting part, a shoveling part and a supporting part, wherein the whole system is combined together to form a unified whole; the cutting part adopts a telescopic cantilever cutting head to complete mechanized cutting operation on different roadway working faces quickly and efficiently, so that the roadway is quickly formed. The supporting part adopts nested connection and flexible connection of the distributed box bodies, so that self-adaptive adjustment of supporting height can be realized, and the supporting part is suitable for safe supporting of different roadways. Therefore, the high-degree function integration of the rapid excavation, support and transportation integrated system can greatly improve the underground excavation efficiency of the coal mine, the improvement efficiency can be predicted to be 3-4 times compared with that of the traditional excavation process, and the method is ideal equipment for realizing rapid, safe and efficient roadway excavation and support in China at present.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a schematic view of the connection between the articulated telescopic cylinder and the front and rear support bodies.
Fig. 3 is a schematic diagram of the matching of the supporting thrust cylinder and the supporting machine body.
In the figure: 1-a vehicle frame; 2-a flexible rubber shed; 3-fixing the machine body; 4-supporting the machine body; 4.1-guide groove; 5-supporting a thrust oil cylinder; 6-a rotary seat; 7-cutting the telescopic sleeve; 8-a cutting arm; 9-a cutting head; 10-a shovel plate; 11-a star wheel; 12-a belt conveyor; 13-hinged telescopic oil cylinder.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
As shown in fig. 1; the utility model provides an exempt from temporary support's quick digging and transporting integration system, includes cutting units, scraper and several organism portions, and several organism portions are arranged in a word and are installed on frame 1 that has track running gear, and the joint seam between the organism portion seals through flexible rubber canopy 2, and it has the activity space and prevents that the dust from getting into inside the organism portion to guarantee fore-and-after organism portion. The machine body part comprises a fixed machine body 3 and a supporting machine body 4, an upper layer of carriage and a lower layer of carriage are formed in the machine body part, the outer contour of the section of the supporting machine body 4 is in a door frame shape, the supporting machine body 4 is installed on the fixed machine body 3 through a jacking mechanism, the supporting machine body 4 is connected with the jacking mechanism in a sliding mode, and the supporting machine bodies 4 of adjacent machine body parts are connected through telescopic oil cylinders; the cutting part is arranged in an upper carriage of the first section of machine body part and comprises a rotary seat 6, a cutting telescopic sleeve 7, a cutting arm 8 and a cutting head 9, and the cutting head 9 is driven by the cutting telescopic sleeve 7 and the rotary seat 6 to carry out cutting motion in the front-back, left-right and up-down directions required by roadway excavation; the shoveling and transporting part comprises a shovel plate 10, a star wheel 11 and a belt conveyor 12, the lower layer carriages of the plurality of machine body parts are penetrated from front to back to serve as chutes, the belt conveyor 12 is installed in the machine body parts of the lower layer carriages before and after being connected, the star wheel 11 is installed in the lower layer carriages of the first machine body part, two sides of the feeding end of the belt conveyor 12 are respectively provided with one, and the shovel plate 10 is installed on a fixed machine body 3 of the first machine body part and shovels accumulated coal into the lower layer carriages. The star wheel 11 is arranged on a rotating shaft of a star wheel motor, and provides torque to drive the star wheel to rotate through the star wheel motor; belt conveyor 12 installs under cutting unit, and the conveying motor passes through the transmission shaft and gives drive sprocket input power, and drive sprocket installs on the transmission shaft, and the belt is around between driven sprocket and drive sprocket, and the tensioning cylinder provides the belt tensile force, transports the cutting coal body, and the spraying piece is installed and is used for the dust fall in scraper unit the place ahead.
The jacking mechanism jacks the support machine body 4 to a roadway top plate to realize temporary support, meanwhile, cutting operation and transportation operation are still carried out simultaneously to realize temporary support of the roadway, the star wheel 11 pushes the coal pile to the belt conveyor 12, the belt conveyor 12 conveys coal on the tunneling working face to the machine body part at the tail part for unloading, and then the coal body is conveyed to the well by the second transportation system, so that the coal body is quickly transported.
The crawler traveling mechanisms provide traveling power for the whole machine, the frame 1 adopts four crawler traveling mechanisms which are respectively arranged in a front-back pair, under the condition that the weight of the whole machine is certain, the grounding pressure is lower, the linear traveling friction force of an underground roadway is lower, and the passing capacity is higher. Meanwhile, when the machine needs to turn around or rotate in place, the four crawler belts can well control the rotation motion stability of the machine body, and the operation flexibility of the machine is enhanced. The design of the crawler belt walking mechanism increases the walking fault tolerance, and normal walking operation can be still carried out by depending on the rest crawler belts when one crawler belt is in an emergency fault.
The mining remote control device also comprises a control part, wherein the control part consists of a control frame, a control box, a control handle and a mining remote control transmitter; the operation frame is fixed on the machine body part, and the operation box is arranged on the operation frame and used for starting and stopping the motor of the electric system; the control handle is arranged on the operation box and respectively controls the driving oil cylinder of the walking part, the star wheel motor of the shoveling part, the telescopic oil cylinder and the rotary oil cylinder of the cutting part, the supporting oil cylinder of the supporting part, the conveying motor of the conveying part and the tensioning oil cylinder.
As shown in fig. 3; the jacking mechanism for supporting the supporting body 4 comprises a plurality of supporting thrust oil cylinders 5, the supporting body 4 comprises a top plate and supporting vertical plates at two ends of the top plate, guide grooves 4.1 with small inlets and large inner cavities are integrally formed in the supporting vertical plates, the fixed ends of the supporting thrust oil cylinders 5 are fixed on the fixed body 3, and the extending shaft ends of the supporting thrust oil cylinders are embedded in the guide grooves 4.1 of the supporting body; the support process is guaranteed not to fall off, and the stability and the safety of support are improved in a mechanical limiting mode.
As shown in fig. 2; the supporting bodies 4 are connected through hinged telescopic oil cylinders 13, one ends of the hinged telescopic oil cylinders 13 are hinged with the supporting body of the rear body part through transverse hinged shafts, and the other ends of the hinged telescopic oil cylinders are hinged with the supporting body of the front body part through the transverse hinged shafts. The front and rear supporting machine bodies 4 are connected through the hinged telescopic oil cylinders 13, and the front and rear supporting machine bodies 4 can be adaptively adjusted in the X direction under the thrust action of the hinged telescopic oil cylinders 13, namely the supporting length can be finely adjusted, so that the influence on the supporting efficiency caused by the operation of moving the machine when the machine is not supported in place is avoided. In the specific adjusting process, one of the supporting bodies 4 supports the top plate of the roadway, and the hinged telescopic oil cylinder 13 uses the supporting body 4 as a support to push the other supporting body 4 to slide.
The hinged structure between the hinged telescopic oil cylinder 13 and the support body of the front body part is that a hinged shaft is limited in a vertical strip hole. By means of the hinge structure, the hinge type telescopic oil cylinder 13 can be adjusted in a self-adaptive manner in a direction vertical to the height direction of the ground, namely the Y direction. When the top plate of the supported roadway is relatively flat, the front and rear supporting machine bodies 4 are kept in a horizontal state; when the supported roadway roof fluctuates in height, the front and rear supporting bodies 4 generate a certain height difference, and at the moment, through the hinged structure, the telescopic oil cylinder 13 can perform Y-direction self-adaptive adjustment with the supporting body at the rear end, so that the oil cylinder is prevented from being damaged, and related parts are prevented from deforming and losing efficacy.
And wing plates for coating and fixing the machine body are arranged on the supporting vertical plates of the supporting machine body 4.
The working process of the invention is as follows:
considering the actual underground mining working process, the working process of the invention is divided into a cutting stage, a walking stage and a supporting stage.
In the walking stage, the crawler walking mechanism drives the whole machine to walk to a designated working position through the walking motor and the walking reducer, and then the cutting stage is started.
The cutting stage, the cutterhead reaches the assigned position through the drive of cutting arm, carries out the cutting work after the drive of cutting motor to by its cutting depth of cutting telescopic sleeve control, reach and predetermine the degree of depth after, carry out horizontal cutting through the control of roating seat, reach and predetermine horizontal position after, carry out perpendicular cut through the drive of cutting arm again, reach and predetermine vertical position after, continue to carry out horizontal cutting, so reciprocal, until the section forms, the cutting stage finishes, begins the transportation stage.
And in the transportation stage, the shoveling plates are used for shoveling the ground coal bodies into the chute, and the star wheels operate to convey the coal bodies into the belt conveyor, so that the coal bodies in the cutting process are conveyed out and enter the supporting stage.
And in the supporting stage, the supporting thrust oil cylinder pushes the supporting machine body to support to the top plate, the top plate supporting is completed, and after the supporting work is finished, the cutting stage is restarted, so that an automatic digging, supporting and transporting integrated link is formed.
And in the telescopic stage, one of the supporting bodies props against the top plate of the roadway, and the hinged telescopic oil cylinder uses the supporting body as a support to push the other supporting body to slide.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides an exempt from temporary support's quick digging, supporting and transporting integrated system which characterized in that: the cutting machine comprises a cutting part, a carry-scraper part and a plurality of machine body parts, wherein the plurality of machine body parts are arranged on a frame (1) with a crawler walking mechanism in a straight line manner, and connecting seams among the machine body parts are sealed by flexible rubber sheds (2); the machine body part comprises a fixed machine body (3) and a supporting machine body (4), an upper layer of carriage and a lower layer of carriage are formed in the machine body part, the outer contour of the section of the supporting machine body (4) is in a door frame shape, the supporting machine body (4) is installed on the fixed machine body (3) through a jacking mechanism, the supporting machine body (4) is in sliding connection with the jacking mechanism, and the supporting machine bodies (4) of adjacent machine body parts are connected through telescopic oil cylinders; the cutting part is arranged in an upper carriage of the first section of machine body part and comprises a rotary seat (6), a cutting telescopic sleeve (7), a cutting arm (8) and a cutting head (9), and the cutting head (9) is driven by the cutting telescopic sleeve (7) and the rotary seat (6) to carry out cutting motion in the front-back, left-right and up-down directions required by roadway excavation; the shoveling and conveying part comprises shovel plates (10), star wheels (11) and a belt conveyor (12), the lower layer carriages of the plurality of machine body parts are penetrated from front to back to serve as chutes, the belt conveyor (12) is installed on the machine body parts which are connected in the lower layer carriages, the star wheels (11) are installed in the lower layer carriages of the first machine body parts, two sides of the feeding end of the belt conveyor (12) are respectively provided with one, the shovel plates (10) are installed on the fixed machine body (3) of the first machine body part, and accumulated coal is shoveled into the lower layer carriages.
2. The integrated system for rapid excavation, support and transportation without temporary support of claim 1, wherein: the jacking mechanism for supporting the machine body (4) comprises a plurality of supporting thrust cylinders (5), the supporting machine body (4) comprises a top plate and supporting vertical plates at two ends of the top plate, guide grooves (4.1) with small inlets and large inner cavities are integrally machined on the supporting vertical plates, and the fixed ends of the supporting thrust cylinders (5) are fixed on the fixed machine body (3) and extend out of shaft ends to be nested in the guide grooves (4.1) of the supporting machine body.
3. The integrated system for rapid excavation, support and transportation without temporary support of claim 2, wherein: the supporting bodies (4) are connected through hinged telescopic oil cylinders (13), one ends of the hinged telescopic oil cylinders (13) are hinged with the supporting body of the rear body part through transverse hinged shafts, and the other ends of the hinged telescopic oil cylinders are hinged with the supporting body of the front body part through transverse hinged shafts.
4. The integrated system for rapid excavation, transportation and free of temporary support as claimed in claim 3, wherein: the hinged structure between the hinged telescopic oil cylinder (13) and the support body of the front body part is that a hinged shaft is limited in a vertical strip hole.
5. The integrated system for rapid excavation, support and transportation without temporary support of claim 1, wherein: the frame (1) adopts four crawler belt traveling mechanisms which are respectively arranged in a front-back pair.
6. The temporary support-free rapid digging, supporting and transporting integrated system according to claim 2 is characterized in that: and wing plates for coating and fixing the machine body are arranged on the supporting vertical plates of the supporting machine body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210672317.4A CN114991797A (en) | 2022-06-15 | 2022-06-15 | Exempt from interim supporting's quick digging, supporting and transporting integration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210672317.4A CN114991797A (en) | 2022-06-15 | 2022-06-15 | Exempt from interim supporting's quick digging, supporting and transporting integration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114991797A true CN114991797A (en) | 2022-09-02 |
Family
ID=83035150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210672317.4A Pending CN114991797A (en) | 2022-06-15 | 2022-06-15 | Exempt from interim supporting's quick digging, supporting and transporting integration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114991797A (en) |
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2022
- 2022-06-15 CN CN202210672317.4A patent/CN114991797A/en active Pending
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