CN112648009A - High-altitude walking method and device for roadway excavation temporary hydraulic support and/or multi-arm drilling machine - Google Patents
High-altitude walking method and device for roadway excavation temporary hydraulic support and/or multi-arm drilling machine Download PDFInfo
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- CN112648009A CN112648009A CN202011639368.4A CN202011639368A CN112648009A CN 112648009 A CN112648009 A CN 112648009A CN 202011639368 A CN202011639368 A CN 202011639368A CN 112648009 A CN112648009 A CN 112648009A
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- 238000005553 drilling Methods 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000009412 basement excavation Methods 0.000 title claims abstract description 19
- 230000005641 tunneling Effects 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims description 77
- 239000003245 coal Substances 0.000 abstract description 17
- 238000005065 mining Methods 0.000 abstract description 6
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/006—Equipment transport systems
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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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
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Abstract
The invention relates to the technical field of coal industry, in particular to a high-altitude walking method and device for a temporary hydraulic support for roadway excavation and/or a multi-arm drilling machine. The invention enables the temporary hydraulic support for roadway excavation and/or the multi-arm drilling machine to move in the high altitude along the elevated road through the top-placing traveling device, and solves the problems of uneven roadway bottom plate, narrow space and difficult cross transposition of excavation and supporting equipment. The invention can be applied to the relevant equipment of roadway tunneling support, roadway renovation and mining advance support, and has huge application prospect in mines with roof collapse risk, rock burst and coal and gas outburst.
Description
Technical Field
The invention relates to the technical field of coal industry, in particular to a roadway driving temporary hydraulic support and/or a multi-arm drilling machine high-altitude walking method and device, which can also be called as a high-altitude movable advance support, or a high-altitude movable anchor rod drilling machine platform, or a roadway hydraulic support and a multi-arm anchor rod drilling machine which can be moved high-altitude, or a high-altitude walking method and device for coal mine roadway driving, maintenance and advance support technical equipment.
Background
Coal mine underground roadways often face huge potential safety hazards of roof collapse and rock burst, particularly new exposed areas which are not supported after tunneling is finished, advance supporting areas influenced by mining pressure, and areas needing reinforcement supporting and protecting when local supporting bodies are damaged. When workers operate the traditional single anchor rod drilling machine to work in the 3 areas, accidents often occur due to the fact that strong temporary supports are not arranged on the upper portion and the two sides of the traditional single anchor rod drilling machine, people are injured if the accidents happen, and a serious tragedy that lives are lost is caused if the people are injured. With the continuous upgrading of technical equipment in the coal industry, the safety management level of the coal mine is further improved, but roof accidents and rock burst accidents occur frequently, so that certain negative effects are brought to the coal mine industry, and a plurality of young people are reluctant to carry out related work of the coal mine or the coal mine is also reluctant to play roles in related work of tunneling and comprehensive mining. Therefore, the research on the technical equipment for coal mine roadway tunneling, maintenance and advanced support has a great promoting effect on the safe and high-quality development of the coal industry in China.
At present, in the technical equipment of coal mine roadway tunneling, maintenance and advance support, foreign development machine production enterprises do a lot of research work, related products are published, and due to huge demand in China, with the addition of some universities and enterprises, on one hand, research is continuously increased, achievements are increased, but many problems need to be solved, and more domestic coal mine roadway equipment must be developed and matured to the world in the future.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a roadway driving temporary hydraulic support and/or multi-arm drilling machine high-altitude walking device and method, and aims to solve the technical problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the invention provides a roadway excavation temporary hydraulic support and/or multi-arm drilling machine high-altitude walking method, which comprises the following steps: the temporary hydraulic support for roadway excavation and/or the multi-arm drilling machine are/is moved in the high altitude along the elevated road through the top-placed traveling device.
Preferably, an elevated road is formed above the development machine, above the belt conveyor, on a trackless moving linear support or on a rail material transport vehicle; the temporary hydraulic support for roadway excavation and/or the multi-arm drilling machine are driven by the top-mounted walking device to reciprocate along the elevated road.
In a second aspect, the invention provides a temporary hydraulic support for roadway excavation and/or a multi-arm drilling machine high-altitude walking device, which comprises: the top-mounted walking device is used for enabling the roadway excavation temporary hydraulic support and/or the multi-arm drilling machine to move along the elevated road.
As a further technical scheme, the top-mounted walking device adopts any one of a chain-type walking mechanism, a crawler-type walking mechanism, a wheel-type walking mechanism or a foot-step-type walking mechanism.
As a further technical solution, the overhead traveling device includes: a spring support means; the spring supporting device is used for providing uniform supporting force for a track bottom chain of the overhead traveling device.
As a further technical solution, the spring supporting device includes: a spring box and a telescopic sleeve; the spring box is provided with a plurality of open mounting positions; a spring is arranged at the bottom of each mounting position; one end of the telescopic sleeve is arranged in the mounting position of the spring box, the other end of the telescopic sleeve is abutted to the chain of the crawler, and the telescopic sleeve can slide up and down relative to the spring box so as to form uniform supporting force for the chain of the crawler.
As a further technical scheme, the telescopic sleeve is provided with a guide key slot; the spring box is provided with a guide key, and the guide key is matched with the guide key groove.
As a further technical scheme, the lower end face of the telescopic sleeve is provided with a groove matched with the track chain.
As a further technical scheme, a crawler belt of the top walking device surrounds a top beam of a temporary hydraulic support to form a closed loop; the lower part of the crawler is used for walking of a temporary hydraulic support for roadway excavation and/or a multi-arm drilling machine; when the crawler idles, the upper part of the crawler can pull the roof protecting net to lay the roof protecting net on the roadway roof.
As a further technical solution, the overhead traveling device includes: a drive device and a track; the driving device is connected with a driving wheel arranged at one end of the temporary tunneling hydraulic support; a driven wheel is arranged at the other end of the temporary tunnel excavation hydraulic support; the track is arranged between the driving wheel and the driven wheel.
As a further technical solution, the overhead traveling device includes: a spring support means; the spring supporting device is arranged below the temporary roadway tunneling hydraulic support and used for providing uniform supporting force for the bottom chain of the crawler belt of the top walking device.
As a further technical solution, the overhead traveling device includes: a tensioning device; the tensioning device is connected with a driven wheel arranged at one end of the temporary tunnel tunneling hydraulic support and used for tensioning and adjusting the track between the driving wheel and the driven wheel.
As a further technical solution, the overhead traveling device includes: a tow chain device; the drag chain device is used for keeping the crawler belt at a preset height and position.
As a further technical approach, the temporary hydraulic support comprises: shield plate beam, telescoping mechanism;
the shield plate beams are connected in a staggered manner through cross beams and longitudinal beams;
the shield plate girder is provided with a plurality of drilling skylights;
the shield plate beam is provided with a telescopic mechanism below the cross beams on the two sides;
the telescopic mechanism can realize telescopic movement in the vertical direction;
the top-mounted walking device is arranged in the middle of the shield plate beam along the longitudinal beam direction.
As a further technical method, the temporary hydraulic support is hoisted with an anchor drilling system. The anchor drilling system slides through a unilateral rail arranged on the crossbeam.
As a further technical method, the overhead traveling apparatus includes: the driving device is arranged at the front end of the temporary hydraulic support;
the driving device includes: the driving motor, the transmission shaft, the bearing seat, the driving wheel and the balance wheel;
the driving motor is connected with the transmission shaft;
the transmission shaft is connected with the shield plate beam through a plurality of bearing seats;
the two driving wheels are respectively arranged in the middle of the transmission shaft;
the two balance wheels are respectively arranged at the near end and the far end of the transmission shaft.
As a further technical method, the overhead traveling apparatus includes: the tensioning device is arranged at the rear end of the temporary hydraulic support;
the tensioning device comprises a tensioning wheel, a tensioning wheel bracket and a tensioning oil cylinder;
the cylinder body of the tensioning oil cylinder is arranged on the shield plate beam;
a piston rod of the tensioning oil cylinder is connected with the tensioning wheel bracket;
the tensioning wheel bracket is provided with a tensioning wheel;
and chains are correspondingly arranged between the tension wheel and the driving wheel.
As a further technical method, the overhead traveling apparatus includes: a steering deviation correcting mechanism;
the steering deviation rectifying mechanism comprises: a deviation rectifying oil cylinder and a bidirectional translation oil cylinder;
the upper part of the cylinder body of the deviation rectifying oil cylinder is in matched pivot joint with an installation plate through a rotating shaft and a pressing block;
the mounting plate is welded on the upper surface of the shield plate beam in the middle;
the lower part of the cylinder body of the deviation rectifying oil cylinder is connected with a swinging head;
a piston rod of the deviation rectifying oil cylinder is connected with an anti-skid shoe;
the bottom of the antiskid boot is provided with a friction plate;
the mounting hole of the swinging head is hinged with a pin shaft in the middle of the bidirectional translation oil cylinder;
the mounting bases of the bidirectional translation oil cylinders are symmetrically welded on the lower surface of the shield plate beam;
two output ends of the bidirectional translation oil cylinder are fixed on the mounting base through bolts;
a sleeve is arranged in the middle of the bidirectional translation oil cylinder, and a pin shaft is arranged below the sleeve;
and the mounting hole of the swinging head is hinged with a pin shaft in the middle of the bidirectional translation oil cylinder.
By adopting the technical scheme, the invention has the following beneficial effects:
the invention realizes the function of moving the temporary hydraulic support for tunneling and/or the multi-arm drilling machine at high altitude along an elevated road through the top-placing traveling device, and solves the problems of uneven tunnel bottom plate, narrow space and difficult cross transposition of tunneling and supporting equipment. The invention can be applied to the relevant equipment of roadway tunneling support, roadway renovation and mining advance support, and has huge application prospect in mines with roof collapse risk, rock burst and coal and gas outburst.
Drawings
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an isometric view of a top mounted walking device provided by an embodiment of the present invention;
FIG. 2 is a side view of a top-mounted walking device provided in an embodiment of the present invention;
FIG. 3 is a front view of a top-mounted walking device provided by an embodiment of the present invention;
fig. 4 is a top view of the overhead traveling device according to the embodiment of the present invention;
FIG. 5 is a side view of a driving device of the overhead traveling device according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a sliding support of the overhead traveling unit according to an embodiment of the present invention;
fig. 7 is a front view of a spring box of the overhead traveling device according to the embodiment of the present invention.
FIG. 8 is a cross-sectional view of a spring box of a top mounted running gear provided in an embodiment of the present invention;
FIG. 9 is a cross-sectional view of the telescoping sleeve of the overhead traveling unit according to the embodiment of the present invention;
FIG. 10 is a side view of the telescoping sleeve of the overhead traveling unit according to the embodiment of the present invention;
FIG. 11 is a cross-sectional view of a deviation rectifying mechanism of the overhead traveling unit according to the embodiment of the present invention;
FIG. 12 is a cross-sectional view of a tensioning device of a top mounted running gear provided in an embodiment of the present invention;
fig. 13 is a schematic view of a state of the overhead traveling device traveling on an overhead road according to the embodiment of the present invention, in which the overhead traveling device is located at a secondary transport position;
fig. 14 is a schematic view of a state that the overhead traveling device provided by the embodiment of the present invention travels on an elevated road, wherein the overhead traveling device is located at a cutting part of a heading machine;
fig. 15 is a schematic view of a state of the overhead traveling device traveling on an elevated road, in which a temporary hydraulic support is in a supporting state;
fig. 16 is a schematic diagram of a state that the overhead traveling device provided by the embodiment of the invention travels on an elevated road, wherein the heading machine is withdrawn and the jumbolter starts to work;
FIG. 17 is a front view of an elevated road provided by an embodiment of the present invention;
FIG. 18 is an isometric view of an elevated road provided by an embodiment of the present invention;
FIG. 19 is a front view of a side hung self-shifting jumbolter provided in accordance with an embodiment of the present invention;
FIG. 20 is a side view of a side hung self-shifting jumbolter provided in accordance with an embodiment of the present invention;
fig. 21 is a schematic state diagram of the overhead traveling device according to the embodiment of the present invention before lapping;
fig. 22 is a schematic view of a state of the overhead traveling device during lapping according to the embodiment of the present invention.
Icon: 0-elevated road; 1-shield plate girder; 2-a telescoping mechanism; 3, drilling a skylight; 4-a drive device; 5-a chain; 6-a spring support means; 7-a tensioning device; 9-an anchor drilling system; 10-a drive motor; 11-connecting splines; 12-a balance wheel; 13-a bearing seat; 14-a driving wheel; 15-a drive shaft; 16-a spring box; 17-a spring; 18-a guide key; 19-a telescopic sleeve; 20-a guide keyway; 21-bidirectional translation oil cylinder; 22-a mounting plate; 23-a rotating shaft; 24-a deviation-rectifying oil cylinder; 25-anti-skid boots; 26-a tension wheel; 28-tensioning oil cylinder; 30-mounting bolts; 31-elevated road shoulders; 32-elevated pavement; 40-protecting a top net; 100-single sided track; a 200-L-shaped notch; 300-transverse web; 400-a rail body; 500-hanging a sliding part; 600-a transmission rack; 700-a drive gear; 800-bearing seat; 900-a drive sprocket; 1000-a drill body; 1100-rotating disk; 1200-motor.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Example one
The embodiment provides a roadway driving temporary hydraulic support and/or a multi-arm drilling machine high-altitude walking device, which comprises a top-placing walking device used for enabling the roadway driving temporary hydraulic support and/or the multi-arm drilling machine to move in the high altitude along an elevated road.
In this embodiment, it is understood that the expression "and/or" is to be interpreted to mean:
the method is characterized in that a temporary hydraulic support for roadway excavation is defined as a, a multi-arm drilling machine is defined as b, and the technical scheme formed by a and/or b comprises the following steps: firstly, simultaneously selecting a and b; secondly, independently selecting a; and thirdly, independently selecting b.
In this embodiment, the specific form of the top-mounted traveling device is not limited, and the top-mounted traveling device may be any one of a chain-type traveling mechanism, a crawler-type traveling mechanism, a wheel-type traveling mechanism, and a foot-step-type traveling mechanism, so that the top-mounted traveling device may be flexibly configured according to actual needs.
It is worth explaining that the top-mounted walking device can be applied to related equipment of roadway tunneling support, roadway overhaul and mining advance support. In order to better show the working principle of the top-mounted walking device, the top-mounted walking device is applied to the temporary hydraulic support for example.
For example: with reference to fig. 1 to 18, the top walking device is arranged on the temporary hydraulic support and used for driving the temporary hydraulic support to reciprocate in the air along an elevated road 0 in a roadway, so that the problem of difficult cross transposition with other equipment in a narrow limited space of a coal mine roadway is solved.
In this embodiment, preferably, the elevated road 0 can be flexibly arranged on each part of the heading machine, above the rubber belt conveyor, on the trackless movable linear support or above the rail material transport vehicle according to the requirements of roadway heading, maintenance and advance support, and is used for providing a walking path for the temporary hydraulic support; it should be noted that the elevated road 0 is a part used in cooperation with the overhead traveling device, and may be in any form, may be independent of the temporary hydraulic support, and is not included in the structure of the temporary hydraulic support.
In this embodiment, preferably, the temporary hydraulic support includes: the shield plate beam 1 and the telescopic mechanism 2; the shield plate beam 1 is connected in a staggered manner through cross beams and longitudinal beams; the shield plate girder 1 is provided with a plurality of drilling skylights 3; the shield plate beam 1 is provided with a telescopic mechanism 2 below the cross beams on the two sides; the telescopic mechanism 2 can realize telescopic movement in the vertical direction; an anchor drilling system 9 is hung below the cross beams on the two sides of the shield plate beam 1; the anchor drilling system 9 slides through a unilateral rail arranged on the cross beam; the top-mounted walking device is arranged in the middle of the shield plate beam 1 along the longitudinal beam direction.
Of course, the specific size and material of the shield plate beam 1 can be flexibly set according to actual needs. The shield plate beam 1 is provided with corresponding drilling skylight 3 according to support parameters, a telescopic mechanism 2 is arranged below the shield plate beam 1, the telescopic mechanism 2 is erected on a roadway bottom plate, and the shield plate beam 1 is supported at a set height below a roadway top plate. The telescopic mechanism 2 can adjust the height of the shield beam plate within a certain range, so that the shield beam plate is prevented from being in contact with an uneven roadway top plate in the traditional process to be distorted and deformed, and the safety of anchor bolt support operators below the roadway excavation shield support is protected. The anchor drilling system 9 is provided with a track on the shield plate beam 1, and can realize the movement of 2m in the lateral direction through a lateral moving mechanism, so that the anchor rod and anchor cable support of the anchor drilling machine in the range is realized.
In this embodiment, preferably, the top walking device includes: and the driving device 4 is arranged at the front end of the temporary hydraulic support.
In this embodiment, preferably, the driving device 4 includes: the device comprises a driving motor 10, a transmission shaft 15, a bearing seat 13, a driving wheel 14 and a balance wheel 12; the drive motor 10 is connected with the transmission shaft 15 (connecting spline 11); the driving motor 10 of the driving device 4 can rotate forward or backward, and can advance and retreat according to the requirement of the equipment. When the anchor drill function is started, the walking function is in a closed state. The transmission shaft 15 is connected with the shield plate beam 1 through a plurality of bearing blocks 13; the two driving wheels 14 are respectively arranged at the middle positions of the transmission shafts 15; the two balance wheels 12 are respectively mounted at the proximal end and the distal end of the transmission shaft 15. The balance wheel 12 is mounted on the driving shaft by a bearing only, belongs to a part of the driving device 4, and is used for being contacted with the driving wheel together with the elevated road 0, so that the grounding area is increased on one hand, and the rotation of the narrow wheel pitch with the left-right unbalance is avoided on the other hand.
In this embodiment, preferably, the top walking device includes: and the tensioning device 7 is arranged at the rear end of the temporary hydraulic support.
In this embodiment, preferably, the tensioning device 7 includes a tensioning wheel 26, a tensioning wheel 26 bracket and a tensioning cylinder 28; the cylinder body of the tensioning oil cylinder 28 is arranged on the shield plate beam 1; a piston rod of the tensioning oil cylinder 28 is connected with the tensioning wheel bracket; the tension wheel support is provided with a tension wheel 26, and the tension wheel 26 is used as a driven wheel; a chain 5 (crawler belt) is correspondingly installed between the tension pulley 26 and the driving wheel 14. Wherein, chain 5 and track can replace each other, and both can set up according to actual need is nimble when selecting.
In this embodiment, preferably, as a further technical solution, the overhead traveling device includes: and the spring supporting device 6 is arranged on the lower surface of the temporary hydraulic support.
The spring support means 6 comprises: a spring box 16 and a telescopic sleeve 19; the spring box 16 is arranged on the lower surface of the shield plate beam 1; the spring box 16 is provided with a plurality of open mounting positions; the bottom of the mounting position is provided with a spring 17; one end of the telescopic sleeve 19 is arranged in the installation position of the spring box 16, the other end of the telescopic sleeve 19 is abutted to the chain 5, the telescopic sleeve 19 and the spring 17 in front of the installation position are in a compressed state, and the telescopic sleeve 19 can slide up and down relative to the spring box 16 to form uniform supporting force for the chain 5 (crawler belt). The telescopic sleeve 19 tensions the chain 5 (crawler belt), so that the chain 5 (crawler belt) works in a tensioned state completely, and meanwhile, the bearing part bears all the weight of the equipment, and the friction force of the equipment during walking is increased.
As a further technical solution, the telescopic sleeve 19 is provided with a guide key slot 20; the spring box 16 is provided with a guide key 18, and the guide key 18 is matched with a guide key groove 20, so that the telescopic sleeve 19 can be lifted and contracted within a certain range, and can not fall down due to other reasons.
As a further technical solution, the lower end surface of the telescopic sleeve 19 is provided with a groove adapted to the link plate of the chain 5.
In this embodiment, preferably, the top walking device includes: a steering deviation correcting mechanism; the steering deviation rectifying mechanism comprises: a deviation rectifying oil cylinder 24 and a bidirectional translation oil cylinder 21; the upper part of the cylinder body of the deviation rectifying oil cylinder 24 is pivoted on a mounting plate 22 through a rotating shaft 23 and a pressing block in a matching way; the mounting plate 22 is welded centrally to the upper surface of the shield beam 1; the lower part of the cylinder body of the deviation rectifying oil cylinder 24 is connected with a swinging head; a piston rod of the deviation-rectifying oil cylinder 24 is connected with an anti-skid shoe 25; the bottom of the anti-skid boots 25 is provided with a friction plate; the mounting hole of the swinging head is hinged with a pin shaft in the middle of the bidirectional translation oil cylinder 21; the mounting bases of the bidirectional translation oil cylinders 21 are symmetrically welded on the lower surface of the shield plate beam 1; two output ends of the bidirectional translation oil cylinder 21 are fixed on the mounting base through bolts; a sleeve is arranged in the middle of the bidirectional translation oil cylinder 21, and a pin shaft is arranged below the sleeve; the mounting hole of the swinging head is hinged with a pin shaft in the middle of the bidirectional translation oil cylinder 21. When the cylinder body of the bidirectional translation oil cylinder 21 moves left and right, the correction oil cylinder is driven to rotate left and right.
When the temporary support needs to be moved, the support is first lowered onto the elevated road 0 below. However, the drive wheels and tension wheels 26 are not necessarily located just inside the shoulder of the elevated road 0, and therefore, the leveling mechanisms are provided at both the front end and the rear end of the shield floor beam 1. If the relative position of the driving wheel or the tension wheel 26 and the road shoulder can not meet the walking requirement, the deviation rectifying oil cylinder is needed to rectify the deviation, the whole support can be lifted up by the deviation rectifying oil cylinder according to the requirement, and then the whole equipment is moved leftwards or rightwards by the bidirectional translation oil cylinder 21. Or the bidirectional translation oil cylinder 21 can be directly used for pulling the deviation-correcting oil cylinder to be inclined, then the telescopic rod of the deviation-correcting oil cylinder is extended out, and the equipment is adjusted to a proper position (the position is parallel to the axial direction of the road surface, and the inner sides of the driving wheel and the tensioning wheel 26 fall to the outer side of the road shoulder of the elevated road 0).
Referring to fig. 21 and 22, in the embodiment, preferably, the tracks of the overhead traveling device form a closed loop around the top beam of the temporary hydraulic support; the lower part of the crawler is used for walking of a temporary hydraulic support for roadway excavation and/or a multi-arm drilling machine; when the crawler belt idles, the upper part of the crawler belt can pull the roof protecting net 40 to lay the roof protecting net on the roadway roof.
It should be noted that the multi-arm drilling machine of the embodiment may be a multi-arm jumbolter or a multi-arm danger-relieving drilling machine, and the multi-arm drilling machine can move on an elevated road in a folding manner, and is used for drilling holes, exploring water and gas, and realizing mechanization of a tunneling working face.
In conclusion, the invention solves the problems of uneven tunnel bottom plate, narrow space and difficult cross transposition of tunneling and supporting equipment. The invention can be applied to the relevant equipment of roadway tunneling support, roadway renovation and mining advance support, and has huge application prospect in mines with roof collapse risk, rock burst and coal and gas outburst.
Example two
The second embodiment provides a method for applying the roadway driving temporary hydraulic support and/or the multi-arm drilling machine high-altitude walking device, the technical characteristics disclosed in the first embodiment are also applicable to the second embodiment, and the technical characteristics disclosed in the first embodiment are not repeatedly described.
The embodiment provides a method for applying the roadway driving temporary hydraulic support and/or the multi-arm drilling machine high-altitude walking device, and the roadway driving temporary hydraulic support and/or the multi-arm drilling machine are moved in the high altitude along an elevated road through the top-mounted walking device.
The elevated road 0 is divided into 3 cases according to the use of the temporary hydraulic support of the overhead traveling device:
1) when the temporary hydraulic support of the top-mounted walking device is used for roadway excavation, the elevated road 0 is reformed by using a field tunneling machine, and the cutting part, the machine body part and the second transportation part of the tunneling machine are reformed respectively to meet the requirements of strength, friction force and maintenance, and the three sections of road surfaces after reforming can ensure that the temporary hydraulic support can stably and safely pass.
2) When the temporary hydraulic support of the top-mounted walking device is used for roadway advance support, the elevated road 0 can be a linear support with a moving mechanism, so that the temporary hydraulic support can conveniently move back and forth and has enough support strength.
3) When the temporary hydraulic support of the top-mounted walking device is used for maintaining a roadway, when a rubber belt conveyor is used for maintaining the roadway, the elevated road 0 can be a sliding trolley erected by a cross beam of a belt conveyor, so that the requirement of moving along the belt frame back and forth and providing a walking path when the gantry hydraulic pressure needs to move is met. When the material transportation track is arranged in the maintenance roadway, the elevated road 0 can be a road surface formed by the rail material transportation carriage and the iron plate, so that the elevated road 0 can be formed by using local materials, and meanwhile, the long-distance movement of the temporary hydraulic support is met.
EXAMPLE III
With reference to fig. 16 and 17, a third embodiment provides a side-hung self-moving roof-bolter, which is another technical solution of adding a movable anchor drilling system 9 on the basis of the first embodiment, and the technical features disclosed in the first embodiment are also applicable to the third embodiment, and the technical features disclosed in the first embodiment are not described repeatedly.
The second embodiment provides a side-hung self-moving jumbolter, and it includes: the drilling machine comprises a drilling machine body 1000, a rotating mechanism, a translation mechanism and a driving mechanism; the drilling machine body 1000 is connected to the translation mechanism through the rotating mechanism, the drilling machine body 1000 can swing under the driving of the rotating mechanism, the translation mechanism is hung on the one-side rail 100 of the shield support, and the driving mechanism is used for driving the translation mechanism to slide along the one-side rail 100 so as to drive the drilling machine body 1000 to move back and forth. The side-hung self-moving jumbolter is arranged below a shield support in a side-hung mode, and horizontal movement and angle adjustment of the jumbolter body 1000 are achieved. This side-hung is from moving formula roofbolter can guarantee that rig body 1000 has more adjustment space, not only can drill and anchor the tunnel roof, but also can work two sides in the tunnel, avoids roofbolter adjusting position and the inconvenient drawback of angle in traditional technology, realizes the quick accuracy of roofbolter in actual construction and struts. It is worth to be noted that, in order to better understand the understanding of the "side hanging type", when the drilling machine body 1000 is driven by the rotating mechanism to swing, the drilling machine body can drill two sides of a roadway; when the drilling machine body 1000 does not swing, the angle of the support anchor rod is perpendicular to the top plate.
In this embodiment, preferably, the translation mechanism includes: a translation slide plate;
the translational sliding plate is provided with a hanging sliding part 500, the hanging sliding part 500 is hung on the unilateral rail 100 of the shield support (the shield plate beam 1), and the hanging sliding part 500 is connected with the unilateral rail 100 in a sliding manner. In this embodiment, the hanging sliding part 500 is preferably a slide groove structure with a side opening, and the upper and lower parts of the slide groove structure have L-shaped notches 200 oppositely arranged so as to be completely hung on the one-side rail 100 of the shield support. In this embodiment, the single-sided rail 100 may be a rectangular rail. The one-sided rail 100 includes: the shield support comprises a rail main body 400 and a transverse connecting plate 300 welded at the upper end of the rail main body 400, wherein the transverse connecting plate 300 is connected with a middle longitudinal plate of the I-shaped steel of the shield support, and the lower end of the rail main body 400 is connected with the lower surface of the I-shaped steel of the shield support. The hanging sliding parts 500 are hung on the upper and lower ends of the rail body 400, respectively.
The translation sliding plate is provided with a driving installation part, and the driving mechanism is installed on the driving installation part; in this embodiment, the driving installation part is preferably a plurality of installation holes opened on one side edge (thickness direction) of the translational sliding plate, and the installation holes are used for connecting with the bearing seat 800 of the driving mechanism.
Wherein, translation slide is provided with a rotatory installation department, and rotary mechanism installs in rotatory installation department. In this embodiment, the rotation mounting portion is preferably a central hole penetrating through an end surface of the translational sliding plate. Of course, the central bore may mount the bearing assembly as well as the bearing cap plate.
In this embodiment, preferably, the rotation mechanism includes: a rotating disk 1100;
a fixing clamp is arranged on one side of the rotating disc 1100 (of course, the fixing clamp is not limited and can be flexibly arranged according to actual needs, for example, the fixing clamp comprises a first fixing arm and a second fixing arm, and the first fixing arm and the second fixing arm are used for fixing the drilling machine body 1000, such as welding), and the fixing clamp fixes the drilling machine body 1000; the other side of the rotating plate 1100 is provided with a rotating shaft (similarly, the rotating shaft is not limited, and may be a rotating shaft structure), and the rotating shaft is mounted on the rotating mounting portion of the translational sliding plate through the bearing block 800.
For the rotating disk 1100, there are two design approaches;
first, as a further technical solution, the end surface of the rotating disc 1100 is provided with two arc-shaped slots (the arc-shaped slots are concentric with the rotating disc 1100) which are centrosymmetric. Correspondingly, a positioning bolt is arranged at a position corresponding to the translation sliding plate, the positioning bolt is inserted into the arc-shaped groove, and the positioning effect on the rotating disk 1100 is realized through the fastening effect on the positioning bolt.
Secondly, as a further technical solution, the edge of the rotating disc 1100 is provided with two sections of positioning teeth in central symmetry. Each section of positioning tooth is correspondingly engaged with a telescopic limiting pin, the end head of the telescopic limiting pin is provided with a toothed edge structure engaged with the positioning tooth, and the other end of the telescopic limiting pin is provided with a spring in a sleeved mode and is fixed in a shaft hole of a fixing seat on the translation sliding plate.
In this embodiment, preferably, the drive mechanism includes: a bearing seat 800, a driving sprocket 900, a transmission gear 700 and a transmission rack 600; the bearing block 800 is fixed to a driving installation part of the translational sliding plate; the driving sprocket 900 and the transmission gear 700 are coaxially installed at both ends of the bearing housing 800; the driving rack 600 is disposed on the lower surface of the shield support (disposed along the length thereof), and the driving gear 700 is engaged with the driving rack 600. Of course, the driving sprocket 900 may be connected to a belt connected to the motor 1200 or the motor to realize an automatic driving function. Further, the driving may be manually performed.
Example four
With reference to fig. 1, a fourth embodiment provides a specific manner of a temporary hydraulic support, and the fourth embodiment is another technical solution added to the first, second, and third embodiments, and the technical features disclosed in the first, second, and third embodiments are also applicable to the third embodiment, and the technical features disclosed in the first, second, and third embodiments are not described repeatedly.
In this embodiment, preferably, the temporary hydraulic support includes: the shield plate beam 1, the telescopic mechanism 2 and the anchor drilling system 9; the shield plate beam 1 is connected in a staggered manner through cross beams and longitudinal beams; the shield plate girder 1 is provided with a plurality of drilling skylights 3; the shield plate beam 1 is provided with a telescopic mechanism 2 below the cross beams on the two sides; the telescopic mechanism 2 can realize telescopic movement in the vertical direction; an anchor drilling system 9 is hung below the cross beams on the two sides of the shield plate beam 1; the anchor drilling system 9 slides through a unilateral rail arranged on the cross beam; the top-mounted walking device is arranged in the middle of the shield plate beam 1 along the longitudinal beam direction.
Preferably, the telescopic mechanism is a bidirectional jacking and extending mechanism which can extend out above and below the shield plate beam at the same time, and the bidirectional jacking and extending mechanism is supported on the roadway bottom plate and the roadway top plate so as to support the shield plate beam at a set height below the roadway top plate.
The bidirectional top stretching mechanism is controlled to stretch downwards to lean against a roadway bottom plate and stretch upwards to lean against a roadway top plate, bidirectional support of the upper side and the lower side of the shield beam plate is realized, and therefore the shield support is fixedly arranged at a set height position below the roadway top plate.
Furthermore, a plurality of bidirectional jacking and extending mechanisms are arranged on the shield plate beam, and the shield plate beam is lifted to a set height by controlling the extending length of each bidirectional jacking and extending mechanism above and below the shield plate beam.
The roadway roof or the roadway bottom plate is uneven, the shield beam plate is guaranteed to be kept at the set levelness by controlling the extension lengths of each bidirectional jacking and extending mechanism, and torque damage is avoided.
Further, the bidirectional jacking mechanism comprises: the shield plate beam is fixed on the cylinder body of the upper piston cylinder and/or the lower piston cylinder.
Further, the upper piston cylinder and the lower piston cylinder are arranged along the same axis.
The damage caused by the resultant force torque generated by the action of two piston cylinders in the bidirectional jacking and extending mechanism on the shield plate beam is avoided.
Furthermore, the upper piston cylinder and the lower piston cylinder are arranged in a staggered mode, and the axes of the upper piston cylinder and the lower piston cylinder are parallel.
It is necessary to ensure that the resultant moment on the shield plate beam is zero.
Furthermore, a bearing cross beam is arranged, the lower piston cylinder positioned on the same side is arranged on the lower side of the bearing cross beam, and the upper piston cylinder is arranged on the upper side of the bearing cross beam.
Furthermore, a drilling skylight is arranged on the shield plate beam.
The anchor rod (cable) drilling equipment is used for drilling holes in the top of the roadway through the drilling skylight and installing the anchor rod (cable).
Furthermore, the shield plate beam is provided with a mounting hole of the bidirectional jacking mechanism.
Furthermore, the two-way jacking and extending mechanisms are arranged on two sides of the shield plate beam, and the distance between the two-way jacking and extending mechanisms on the two sides is larger than the width of the tunneling machine.
The interference between the heading machine and the bidirectional jacking mechanism is avoided.
Furthermore, a bearing mechanism for bearing the shield support to move back and forth along the roadway is arranged on the heading machine.
The clamping device can fix the shield support on the tunneling machine, so that the shield support moves along with the tunneling machine in a roadway, and the tunneling machine conveys the shield support to a temporary support area.
Furthermore, a movement driving mechanism for driving the shield support to move along the extending direction of the roadway is arranged on the shield support.
The movable driving mechanism can enable the shield support to move in the roadway by itself, and the shield support is conveyed to the temporary supporting area by the movable driving mechanism.
Furthermore, the shield plate girder is of an integrally formed structure or a splicing structure, and the shield plate girder of the splicing structure is a concave-convex splicing plate and is connected into a whole by high-strength bolts.
The supporting method of the roadway shield support comprises the following steps:
step one, according to sigma nPLower 1G or less, controlling the bidirectional jacking and stretching mechanism to jack downwards to extend all the bidirectional jacking and stretching mechanisms to be contacted with the roadway bottom plate, PLower 1The downward jacking force of the bidirectional jacking mechanism is adopted, and G is the gravity of the shield plate beam;
step two, according to the sigma nPLower 2G, increasing the lifting force of the bidirectional top extension mechanismShield plate girder to set height, PLower 2The downward jacking force of the bidirectional jacking and stretching mechanism after primary pressurization;
step three, according to sigma n PUpper 1≤∑n PLower 2G, controlling the bidirectional jacking and stretching mechanisms to jack upwards to enable all the bidirectional jacking and stretching mechanisms to be in contact with the roadway top plate, PUpper 1The two-way jacking mechanism is used for jacking and extending force upwards;
step four, according to PLower part＝POn the upper part＝PSign boardIncreasing the upward and downward jacking force of the bidirectional jacking mechanism to a set value, wherein PLower partThe downward jacking force of the bidirectional jacking and stretching mechanism after secondary pressurization, POn the upper partThe upward jacking force of the two-way jacking and stretching mechanism after pressurization is PSign boardIs the set jacking force.
By adopting the technical scheme, the bidirectional jacking and extending mechanism is supported on the upper surface of the roadway bottom plate and the lower surface of the roadway top plate, so that the supporting mode is more stable, the shield beam is prevented from moving and toppling, the height of the shield beam plate can be adjusted within a certain range, the shield beam plate in the traditional process is prevented from being in contact with the rugged roadway top plate to be distorted and deformed, and the safety of anchor rod supporting operators below the roadway tunneling shield support is protected; a plurality of skylights for anchor rod (cable) operation are arranged on the shield plate beam, so that a plurality of anchor rod drilling machines can operate simultaneously, the drilling operation time is greatly reduced, and the drilling efficiency and the lane forming speed are improved; the shield plate beams are connected into a whole through the concave-convex splicing plate high-strength bolts, and meanwhile, the underground transportation, installation and operation mode is simpler and more convenient, the cost is lower, and the use condition is wider. According to the supporting method provided by the invention, when the top plate and the bottom plate of the roadway are uneven, the torque of the shield plate beam in the whole supporting process can be reduced, the supporting strength of the shield plate beam is ensured, and safety guarantee is provided for construction operation of operators below the shield plate beam.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A roadway driving temporary hydraulic support and/or multi-arm drilling machine high-altitude walking method is characterized by comprising the following steps:
the temporary hydraulic support for roadway excavation and/or the multi-arm drilling machine are/is moved in the high altitude along the elevated road through the top-placed traveling device.
2. A roadway driving temporary hydraulic support and/or multi-arm drilling machine high-altitude walking device is characterized by comprising: the top-mounted walking device is used for enabling the roadway excavation temporary hydraulic support and/or the multi-arm drilling machine to move along the elevated road.
3. The tunneling temporary hydraulic support and/or multi-arm drilling machine high-altitude traveling device according to claim 2, wherein the overhead traveling device adopts any one of a chain type traveling mechanism, a crawler type traveling mechanism, a wheel type traveling mechanism or a foot type traveling mechanism.
4. The tunneling temporary hydraulic support and/or multi-arm drilling machine high-altitude walking device according to claim 3, wherein the overhead walking device comprises: a spring support means;
the spring supporting device is used for providing uniform supporting force for a track bottom chain of the overhead traveling device.
5. The tunneling temporary hydraulic support and/or multi-arm drilling machine high-altitude walking device according to claim 4, wherein the spring supporting device comprises: a spring box and a telescopic sleeve;
the spring box is provided with a plurality of open mounting positions; a spring is arranged at the bottom of each mounting position; one end of the telescopic sleeve is arranged in the mounting position of the spring box, the other end of the telescopic sleeve is abutted to the chain of the crawler, and the telescopic sleeve can slide up and down relative to the spring box so as to form uniform supporting force for the chain of the crawler.
6. The tunneling temporary hydraulic support and/or multi-arm drilling machine high-altitude walking device according to claim 5, characterized in that,
the telescopic sleeve is provided with a guide key groove; the spring box is provided with a guide key, and the guide key is matched with the guide key groove.
7. The tunneling temporary hydraulic support and/or multi-arm drilling machine high-altitude walking device according to claim 6, wherein the lower end face of the telescopic sleeve is provided with a groove matched with the track chain.
8. The tunneling temporary hydraulic support and/or multi-arm drilling machine high-altitude walking device according to claim 6, characterized in that,
the crawler belt of the top-placed walking device surrounds the top beam of the temporary hydraulic support to form a closed loop;
the lower part of the crawler is used for walking of a temporary hydraulic support for roadway excavation and/or a multi-arm drilling machine;
when the crawler idles, the upper part of the crawler can pull the roof protecting net to lay the roof protecting net on the roadway roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011639368.4A CN112648009A (en) | 2020-12-31 | 2020-12-31 | High-altitude walking method and device for roadway excavation temporary hydraulic support and/or multi-arm drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011639368.4A CN112648009A (en) | 2020-12-31 | 2020-12-31 | High-altitude walking method and device for roadway excavation temporary hydraulic support and/or multi-arm drilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN112648009A true CN112648009A (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011639368.4A Pending CN112648009A (en) | 2020-12-31 | 2020-12-31 | High-altitude walking method and device for roadway excavation temporary hydraulic support and/or multi-arm drilling machine |
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| CN (1) | CN112648009A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697013A (en) * | 2016-03-31 | 2016-06-22 | 中国矿业大学(北京) | Contractible temporary support for tunneling tunnel |
| CN108952707A (en) * | 2018-09-11 | 2018-12-07 | 中国矿业大学 | Continous way for continuous milling machine temporarily protects ejection device and continuous milling machine |
| CN111911156A (en) * | 2020-07-16 | 2020-11-10 | 西安科技大学 | Gantry type shield temporary support and anchor drilling robot system |
| CN214660335U (en) * | 2020-12-31 | 2021-11-09 | 定州市东明矿山支护设备有限公司 | High-altitude walking device for roadway excavation temporary hydraulic support and/or multi-arm drilling machine |
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2020
- 2020-12-31 CN CN202011639368.4A patent/CN112648009A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697013A (en) * | 2016-03-31 | 2016-06-22 | 中国矿业大学(北京) | Contractible temporary support for tunneling tunnel |
| CN108952707A (en) * | 2018-09-11 | 2018-12-07 | 中国矿业大学 | Continous way for continuous milling machine temporarily protects ejection device and continuous milling machine |
| CN111911156A (en) * | 2020-07-16 | 2020-11-10 | 西安科技大学 | Gantry type shield temporary support and anchor drilling robot system |
| CN214660335U (en) * | 2020-12-31 | 2021-11-09 | 定州市东明矿山支护设备有限公司 | High-altitude walking device for roadway excavation temporary hydraulic support and/or multi-arm drilling machine |
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