CN112832804A - Mining multi-row double-arm hydraulic drill carriage - Google Patents
Mining multi-row double-arm hydraulic drill carriage Download PDFInfo
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- CN112832804A CN112832804A CN202110335537.3A CN202110335537A CN112832804A CN 112832804 A CN112832804 A CN 112832804A CN 202110335537 A CN202110335537 A CN 202110335537A CN 112832804 A CN112832804 A CN 112832804A
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- 238000005065 mining Methods 0.000 title claims abstract description 24
- 238000004873 anchoring Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 45
- 239000003638 chemical reducing agent Substances 0.000 claims description 13
- 238000005553 drilling Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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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
- 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
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
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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
- E21B3/00—Rotary drilling
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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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
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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
- 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
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- Mechanical Engineering (AREA)
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- Earth Drilling (AREA)
Abstract
The invention provides a mining multi-row double-arm hydraulic drill carriage which comprises a walking chassis, a hydraulic system, a cab, an electrical system, a temporary supporting device and a drill frame device, wherein the walking chassis is arranged on the walking chassis; the device also comprises a sliding device and an anchoring and protecting large arm; the sliding device is arranged on the walking chassis, one end of the sliding device is connected with the walking chassis through a sliding track, the other end of the sliding device is connected with the anchor arm, and the sliding track is arranged on the walking chassis. The drill carriage can slide the whole anchor protection large arm forward after the drill carriage supports the first row of anchor rods, and the drill frame device can advance to the head to carry out support operation under the condition that the walking chassis is not moved, so that the support efficiency is greatly improved, and the problems of disordered digging and support and serious delay of support are solved.
Description
Technical Field
The invention relates to the technical field of mining machinery manufacturing, in particular to a mining multi-row double-arm hydraulic drill carriage.
Background
The traditional roadway excavation process is characterized in that an excavator or a continuous mining machine is used for roadway excavation, anchor rod supporting operation is manually carried out, the labor intensity is high, the working condition is severe, the efficiency is low, and the danger coefficient is high. Therefore, the multi-row hydraulic double-arm drill carriage is flexible and mobile, can enter the head-on from the side surface of the heading machine or the continuous mining machine for supporting operation, has higher degree of mechanization and operation efficiency, and greatly improves the labor environment of workers. However, the geological conditions of the fully mechanized excavation working face of the coal mine tunnel are relatively complex, particularly the working face is drilled and exploded manually, the rock at the head is often incompletely cleaned, triangular accumulation is caused at the front end, the self-moving type anchor protection equipment of the common crawler belt is difficult to enter, the second row and the support are not in place after the first row of anchor rods are supported, and the third row cannot be supported.
Therefore, how to develop a mining multi-row double-arm hydraulic drill carriage to relieve the problem of digging and branch disorder and serious support delay is a technical problem which needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
The invention aims to solve one of the technical problems in the related technology at least to a certain extent, and provides a mining multi-row double-arm hydraulic drill carriage.
In view of the above, the invention provides a mining multi-row double-arm hydraulic drill rig, which comprises a walking chassis, a hydraulic system, a cab, an electrical system, a temporary supporting device and a drill rig device, wherein the walking chassis is arranged on the walking chassis; the device also comprises a sliding device and an anchoring and protecting large arm; wherein the sliding device is arranged on the walking chassis; one end of the large anchor protection arm is connected with the walking chassis through the sliding track, and the other end of the large anchor protection arm is connected with the large anchor protection arm; the sliding track is arranged on the walking chassis; the anchor protection large arm is connected with the drill frame device.
Further, the anchor protection large arm comprises a base, an upper connecting rod, a lower connecting rod, a working platform and a lifting oil cylinder; wherein the base is fixed on the sliding device; the upper connecting rod and the lower connecting rod are arranged between the base and the working platform through pin connection; the upper connecting rod and the lower connecting rod are both of telescopic sleeve structures, and telescopic oil cylinders are arranged on the upper connecting rod and the lower connecting rod; the lifting oil cylinder drives the upper connecting rod and the lower connecting rod to rotate around respective rotating centers at the same speed and the same direction; the working platform is connected with the drill frame device.
The upper connecting rod and the lower connecting rod can rotate around the joint of the working platform and the base at the same speed and in the same direction, namely the upper connecting rod is movably connected with the working platform and the base; the lower connecting rod is movably connected with the working platform and the base. When the telescopic lengths of the upper connecting rod and the lower connecting rod are the same, the anchor protection large arm is a telescopic parallel four-connecting-rod mechanism and has an automatic leveling function; when the upper connecting rod and the lower connecting rod are driven by the lifting oil cylinder to only perform lifting work, the working platform and the base are kept parallel, and the working platform horizontally swings.
Furthermore, the large anchoring and protecting arm further comprises a swinging oil cylinder, and the swinging oil cylinder drives the large anchoring and protecting arm to swing in a horizontal plane by taking the base as a fixed point.
Preferably, the telescopic oil cylinder is connected with a hydraulic system and can control the upper connecting rod and the lower connecting rod to stretch.
Preferably, the working platform is connected with an electrical system, an operating system is arranged above the working platform, a front exploration sleeve is arranged on the working platform, an oil cylinder for driving the front exploration sleeve to stretch is arranged in the front exploration sleeve, and the drill frame device connected with the front exploration sleeve is further moved along the stretching direction of the front exploration sleeve by utilizing the stretching of the front exploration sleeve.
The operating system is that the hydraulic multi-way valve is connected to the working platform through a hydraulic valve mounting seat, and the hydraulic multi-way valve is powered by the hydraulic system to drive all oil cylinders and rotating motors on the large anchor protection arm and drill holes on the drill frame device to feed and rotate.
Preferably, the boom device comprises a boom motor and a boom. Wherein the boom motor is connected with the hydraulic system and drives the boom.
Wherein the drill frame device realizes the rotation relative to the anchoring protection large arm through a rotating motor.
Furthermore, the sliding device comprises a sliding base and a sliding guide and telescopic mechanism; the sliding base, the sliding guide mechanism and the telescopic mechanism are all arranged on the walking chassis; the sliding base is connected with the base; the telescopic mechanism drives the sliding base to slide on the sliding track along the sliding guide.
Preferably, the sliding guide is cylindrical guide, the guide precision is high, the structure is simple, and the manufacture is easy.
Preferably, the telescopic mechanism is connected with a hydraulic system, and the sliding seat can work independently.
Furthermore, the telescopic mechanism comprises a sliding oil cylinder and a roller chain device; a roller chain device is arranged outside the sliding oil cylinder; the roller chain device is arranged between the sliding guide and the sliding oil cylinder.
Preferably, the sliding oil cylinder is connected with the hydraulic system, and the telescopic mechanism adopts the combination of the sliding oil cylinder and the roller chain device to realize bidirectional sliding.
Furthermore, the walking chassis comprises a left walking device, a right walking device, a middle rack and a tail rack; one end of each of the left traveling device, the right traveling device and the middle rack is connected with the tail rack; the left walking device and the right walking device are symmetrically arranged on two sides of the middle frame; the sliding tracks are arranged on the left traveling device and the right traveling device; the sliding guide is arranged on the left traveling device and the right traveling device and is positioned at one end of the tail frame; a hydraulic system, a cab and an electric system are arranged above the tail frame.
Preferably, a limiting device is arranged on the walking chassis, wherein the limiting device can control the anchor protection large arm to lift and swing within a certain range.
Preferably, the hydraulic system drives the left and right running gear.
Furthermore, the left traveling device and the right traveling device respectively comprise a traveling mechanism, a traveling motor, a traveling reducer and a crawler chain; the walking motor drives the walking speed reducer to drive the crawler chain to walk; the sliding guide is arranged above the travelling mechanism; the telescopic mechanism is arranged above the travelling mechanism; the sliding track is arranged on the traveling mechanism.
Preferably, the travel motor is a hydraulic motor. The hydraulic system is connected with a walking motor, the walking motor drives a walking speed reducer, and a shell of the walking speed reducer rotates to drive a chain wheel to output torque so as to drive a crawler chain to walk. The sliding guide and the telescopic mechanism and the sliding track are arranged above the left traveling mechanism and the right traveling mechanism.
Furthermore, a brake is embedded in the walking speed reducer; the hydraulic system is connected with the brake.
Preferably, when the left and right traveling devices travel, the hydraulic system supplies oil to the traveling motor and simultaneously supplies liquid to the brake to push the piston, thereby compressing the spring and releasing the brake. When the liquid supply to the walking motor is stopped, the spring on the brake presses the friction plate to realize braking.
Furthermore, the walking chassis also comprises a track tensioning mechanism.
The crawler tensioning mechanism consists of a tensioning wheel set and a tensioning oil cylinder, and the tensioning wheel set adjusts the tensioning degree of the crawler through the telescopic motion of the tensioning oil cylinder; the hydraulic system is connected with the tensioning oil cylinder.
Further, the temporary support device is connected to the multi-row double-arm hydraulic drill carriage through connecting lug seats and comprises a lifting sleeve at the lower part and a telescopic cross beam at the upper part; the lifting sleeve is connected to the multi-row double-arm hydraulic drill carriage through the connecting lug seats.
Preferably, the lifting sleeve is connected to a hydraulic system.
Furthermore, the telescopic cross beam comprises a left telescopic cross beam, a right telescopic cross beam and a fixed cross beam; the fixed cross beam is fixedly arranged on the lifting sleeve; the left telescopic crossbeam and the right telescopic crossbeam are symmetrically arranged at two ends of the fixed crossbeam.
Preferably, the lifting sleeve comprises an inner sleeve, an outer sleeve and a supporting lifting oil cylinder; the support lifting oil cylinder is connected with a hydraulic system; the outer sleeve cover is established in the inner skleeve outside, realizes that outer sleeve and inner skleeve can realize relative slip through the inside flexible hydro-cylinder that sets up of lifting sleeve, specifically is that the inner skleeve is fixed motionless, and the outer sleeve goes up and down, can prevent that the coal dust from getting into.
The fixed cross beam is connected with the lifting outer sleeve through a pin shaft, the fixed cross beam can swing left and right and up and down on the lifting outer sleeve, and the left and right swing angles of the fixed cross beam and the lifting outer sleeve are limited through a limiting mechanism, so that the fixed cross beam and the lifting outer sleeve can swing within a certain angle range. And left and right telescopic cross beam is from taking mechanical stop device, and the inside extending structure who sets up flexible hydro-cylinder, and left and right telescopic cross beam all articulates and sets up on fixed cross beam, and the luffing motion about carrying out can realize presenting certain angle with fixed cross beam, can adapt to the tunnel of slope roof.
One end of the inner sleeve and one end of the outer sleeve are hinged to a rack on the multi-row double-arm hydraulic drill rig through connecting lug seats; the fixed cross beam is connected with the other end of the outer sleeve; the supporting lifting oil cylinder drives the inner sleeve and the outer sleeve to simultaneously and respectively rotate around respective rotating centers at the same speed and in the same direction, so that a certain supporting area is formed on the top plate in a head-on empty top area, the rock of the top plate is prevented from falling off, and the safety of constructors is guaranteed.
Through the technical scheme, the invention provides a mining multi-row double-arm hydraulic drill carriage, which has the following technical effects:
the large arm of the invention adopts a telescopic parallel four-bar mechanism which has an automatic leveling function as the parallel four-bar mechanism, the length of the upper connecting bar and the lower connecting bar is changed into a common two-bar mechanism, and the problem of anchor rod support of the side wall of the bottom plate is solved by utilizing the downward extension of the forward extension sleeve. The invention can carry out full-section support, and comprises a bottom side anchor rod and a top anchor rod; the whole machine is immovable in walking, and can carry out three rows of anchor rod support;
in the invention, in the process of realizing the forward exploration by sliding the large anchoring and protecting arm on the sliding track along the sliding direction by the sliding base, the working platform connected with the drill rig device is arranged in the forward exploration sleeve to further advance the drill rig device under the condition of realizing horizontal extension and retraction;
according to the temporary supporting device, the arrangement of the left telescopic crossbeam, the right telescopic crossbeam and the fixed crossbeam ensures that the temporary supporting device can swing within a certain angle range to adapt to a roadway of an inclined top plate, a certain supporting area is formed on the top plate in a head-on empty top area, the falling of rocks of the top plate is prevented, and the safety of constructors is guaranteed.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a front view of a multi-row double arm hydraulic drill rig provided by the present invention.
FIG. 2 is a top view of a multi-row double arm hydraulic drill rig provided by the present invention.
Fig. 3 is a schematic structural diagram of the walking chassis provided by the invention.
Fig. 4 is a schematic structural diagram of the sliding device provided by the invention.
Fig. 5 is a schematic structural view of the anchor protecting large arm provided by the invention.
Fig. 6 is another schematic structural diagram of the anchor protecting large arm provided by the invention.
Fig. 7 is a schematic structural view of a temporary supporting device provided by the invention.
Wherein 1 is a hydraulic system, 2 is a cab, 3 is an electrical system, 4 is a walking chassis, 5 is a temporary supporting device, 6 is a drill rig device, 7 is a sliding device, 8 is an anchor protection big arm, 9 is a sliding track, 10 is a connecting lug seat, 4-1 is a left walking device, 4-2 is a right walking device, 4-3 is a middle frame, 4-4 is a tail frame, 4-5 is a track tensioning mechanism, 4-1-1 is a walking mechanism, 4-1-2 is a walking motor, 4-1-3 is a walking reducer, 4-1-4 is a track chain, 5-1 is a lifting sleeve, 5-2 is a telescopic cross beam, 5-1-1 is an outer sleeve, 5-1-2 is an inner sleeve, 5-2-1 is a left telescopic cross beam, 5-2-2 is a right telescopic cross beam, 5-2-3 is a fixed beam, 6-1 is a drill boom motor, 6-2 is a drill boom, 6-3 is a rotary motor, 7-1 is a sliding base, 7-2 is a sliding guide, 7-3 is a telescopic mechanism, 7-3-1 is a sliding oil cylinder, 7-3-2 is a roller chain device, 8-1 is a base, 8-2 is an upper connecting rod, 8-3 is a lower connecting rod, 8-4 is a working platform, 8-5 is a lifting oil cylinder, 8-6 is an operating system,
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Example 1
In view of the above, the invention provides a mining multi-row double-arm hydraulic drill carriage, which can slide the whole large arm forward after the drill carriage supports the first row of anchor rods, and can advance to the head to perform supporting operation under the condition that a chassis is not moved, so that the supporting efficiency is greatly improved, the problems of irregular digging and supporting and serious supporting delay are solved, and the specific structure is shown in fig. 1-7.
The invention provides a mining multi-row double-arm hydraulic drill rig as shown in figures 1-7, which comprises a walking chassis, a hydraulic system 1, a cab 2, an electrical system 3, a temporary support device 5 and a drill rig device 6; the device also comprises a sliding device 7 and an anchoring and protecting large arm 8;
the sliding device 7 is arranged on the traveling chassis 4, one end of the sliding device is connected with the traveling chassis 4 through a sliding track 9, the other end of the sliding device is connected with the anchor protection large arm 8, and the sliding track 9 is arranged on the traveling chassis 4; the large anchoring and protecting arm 8 is a telescopic parallel four-bar mechanism connected with the drill frame device 6.
Wherein, the anchor protection large arm 8 comprises a base 8-1, an upper connecting rod 8-2, a lower connecting rod 8-3, a working platform 8-4 and a lifting oil cylinder 8-5; wherein the base 8-1 is fixed on the sliding device 7; the upper connecting rod 8-2 and the lower connecting rod 8-3 are both of telescopic sleeve structures and are arranged between the base 8-1 and the working platform 8-4 through pin connection; telescopic oil cylinders are arranged on the upper connecting rod 8-2 and the lower connecting rod 8-3; the lifting oil cylinder 8-5 drives the upper connecting rod 8-2 and the lower connecting rod 8-3 to respectively rotate around respective rotating centers at the same speed and in the same direction; the working platform 8-4 is connected with the drilling rig device 6 and the electrical system 3 respectively, and the operating system 8-6 is arranged on the working platform 8-4. The working platform 8-4 is provided with a front detection sleeve, an oil cylinder for driving the front detection sleeve to stretch is arranged in the front detection sleeve, and the drill rig device 6 connected with the front detection sleeve further moves along the stretching direction of the front detection sleeve by utilizing the stretching of the front detection sleeve.
The operating system 8-6 is a hydraulic multi-way valve which is connected to the working platform 8-4 through a hydraulic valve mounting seat, and the hydraulic multi-way valve is powered by the hydraulic system 1 to drive the anchoring protection large arm 8 and the drill frame device 6.
The drilling frame device 6 comprises a drilling boom motor 6-1 and a drilling boom 6-2, the drilling boom motor 6-1 is connected with the hydraulic system 1, the drilling boom motor 6-1 drives the drilling boom 6-2, and the drilling frame device 6 rotates relative to the large anchoring arm 8 through a rotating motor 6-3.
The sliding device 7 comprises a sliding base 7-1, a sliding guide 7-2 and a telescopic mechanism 7-3; the sliding base 7-1, the sliding guide 7-2 and the telescopic mechanism 7-3 are all arranged on the walking chassis 4; the sliding base 7-1 is connected with the base 8-1; the telescopic mechanism 7-3 comprises a sliding oil cylinder 7-3-1 and a roller chain device 7-3-2; a roller chain device 7-3-2 is arranged on the outer side of the sliding oil cylinder 7-3-1; the roller chain device 7-3-2 is arranged between the sliding guide 7-2 and the sliding oil cylinder 7-3-1, the sliding oil cylinder 7-3-1 is connected with the hydraulic system 1, and the sliding base 7-1 is driven to bidirectionally slide on the sliding track 9 along the cylindrical sliding guide 7-2.
The walking chassis 4 comprises a left walking device 4-1, a right walking device 4-2, a middle frame 4-3, a tail frame 4-4 and a track tensioning mechanism 4-5; one end of each of the left walking device 4-1, the right walking device 4-2 and the middle frame 4-3 is connected with the tail frame 4-4; the left walking device 4-1 and the right walking device 4-2 are symmetrically arranged at two sides of the middle frame 4-3; the sliding rails 9 are arranged on the left traveling device 4-1 and the right traveling device 4-2; the sliding guide 7-2 is arranged on the left traveling device 4-1, and the right traveling device 4-2 is positioned at one end of the tailstock 4-4; a hydraulic system 1, a cab 2 and an electric system 3 are arranged above the tail frame 4-4, and the hydraulic system 1 drives the left walking device 4-1 and the right walking device 4-2. The left walking device 4-1 and the right walking device 4-2 both comprise a walking mechanism 4-1-1, a walking motor 4-1-2, a walking speed reducer 4-1-3 and a crawler chain 4-1-4; the walking motor 4-1-2 is connected with the hydraulic system 1, drives the walking reducer 4-1-3 to rotate through the shell of the walking reducer 4-1-3 to drive the chain wheel to output torque, and drives the crawler chain 4-1-4 to walk. Meanwhile, a brake is embedded in the walking speed reducer 4-1-3, the hydraulic system 1 supplies oil to the walking motor 4-1-2 and simultaneously supplies liquid to the brake and pushes a piston to compress a spring, so that the brake is released; when the liquid supply to the walking motor 4-1-2 is stopped, the spring on the brake presses the friction plate to realize braking. The walking chassis 4 can be further provided with a limiting device, wherein the limiting device can control the anchor protection large arm 8 to lift and swing within a certain range.
The crawler tensioning mechanism 4-5 consists of a tensioning wheel set and a tensioning oil cylinder, and the tensioning wheel set adjusts the tensioning degree of the crawler through the telescopic motion of the tensioning oil cylinder; the hydraulic system 1 is connected with the tensioning oil cylinder.
The temporary support device 5 is connected to a multi-row double-arm hydraulic drill rig through a connecting lug seat 10 and comprises a lifting sleeve 5-1 at the lower part and a telescopic cross beam 5-2 at the upper part; the lifting sleeve 5-1 comprises an inner sleeve, an outer sleeve 5-1-1, a telescopic oil cylinder and a supporting lifting oil cylinder; the supporting lift cylinder is connected with the telescopic hydraulic system 1; the outer sleeve 5-1-1 is sleeved outside the inner sleeve 5-1-2, the inner sleeve 5-1-2 is fixedly arranged, and the telescopic oil cylinder enables the outer sleeve 5-1-1 to realize relative sliding relative to the inner sleeve 5-1-2; one end of the inner sleeve 5-1-2 and one end of the outer sleeve 5-1-1 are hinged on a multi-row double-arm hydraulic drill rig through a connecting lug seat 10; the fixed cross beam 5-2-3 is hinged with the other end of the outer sleeve 5-1-1 through a pin shaft; the supporting lifting oil cylinder drives the inner sleeve 5-1-2 and the outer sleeve 5-1-1 to simultaneously and respectively rotate around respective rotation centers in the same speed and direction. The telescopic cross beam 5-2 comprises a left telescopic cross beam 5-2-1, a right telescopic cross beam 5-2-2 and a fixed cross beam 5-2-3; the fixed beam 5-2-3 is hinged on the lifting outer sleeve 5-1-1 by a pin shaft; the left telescopic crossbeam 5-2-1 and the right telescopic crossbeam 5-2-2 are telescopic sleeve structures with mechanical limiters, telescopic oil cylinders are arranged in the telescopic sleeve structures, and the left telescopic crossbeam 5-2-1 and the right telescopic crossbeam 5-2-2 are symmetrically hinged to two ends of the fixed crossbeam 5-2-3.
The invention relates to a working principle and a working method of a mining multi-row double-arm hydraulic drill carriage, which comprises the following steps: after the first row of anchor rods are supported by the drill carriage, liquid is supplied to the sliding oil cylinders 7-3-1 which are arranged on the left traveling device 4-2 and the right traveling device 4-2 by using the hydraulic system 1, the roller chain devices 7-3-2 are used for driving the sliding base 7-1 to bidirectionally slide on the sliding track 9 along the cylindrical sliding guide 7-2, so that the large anchoring arm 8 connected with the sliding base 7-1 is driven to integrally slide, and the sliding bases 7-1 on the left traveling device 4-2 and the right traveling device 4-2 can independently work without mutual interference. The large anchoring arm 8 further comprises a swing oil cylinder, and the swing oil cylinder drives the large anchoring arm 8 to swing in a horizontal plane by taking the base 8-1 as a fixed point.
An upper connecting rod 8-2 and a lower connecting rod 8-3 in an anchor protection large arm 8 are both telescopic sleeve structures, telescopic oil cylinders are arranged on the telescopic sleeve structures, the upper connecting rod 8-2 and the lower connecting rod 8-3 are arranged between a base 8-1 and a working platform 8-4 through pin connection to form a parallel four-connecting-rod mechanism, when the base 8-1 is fixed, the upper connecting rod 8-2 and the lower connecting rod 8-3 are driven by a lifting oil cylinder 8-5 to rotate around respective rotating centers at the same speed and in the same direction, in the motion process of the anchor protection arm, the working platform 8-4 and the base 8-1 are kept parallel, and the working platform 8-4 horizontally swings; the telescopic oil cylinder can enable the lengths of the upper connecting rod 8-2 and the lower connecting rod 8-3 to be changed in a telescopic mode, so that the parallel four-connecting-rod mechanism is deformed, and the drill frame can be used for stretching to the bottom of a roadway to support the side anchor rod. Therefore, after the first row of anchor rods are supported by the drill carriage, the drill rig can advance to the head to carry out supporting operation under the condition that the walking chassis 4 is not moved, so that the supporting efficiency is greatly improved, and the full-section supporting is carried out by matching with the temporary supporting device 5, wherein the full-section supporting comprises bottom side anchor rods and top anchor rods; and the whole machine can not move, and can carry out three rows of anchor rod support.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A mining multi-row double-arm hydraulic drill carriage comprises a walking chassis, a hydraulic system, a cab, an electrical system, a temporary supporting device and a drill frame device; it is characterized by also comprising a sliding device and an anchoring and protecting large arm; wherein the sliding device is arranged on the walking chassis; one end of the large anchoring and protecting arm is connected with the walking chassis through a sliding track, and the other end of the large anchoring and protecting arm is connected with the large anchoring and protecting arm; the sliding track is arranged on the walking chassis; the anchoring and protecting large arm is connected with the drill frame device; the large anchoring and protecting arm is a telescopic parallel four-bar mechanism and has an automatic leveling function.
2. The mining multi-row double-arm hydraulic drill carriage as claimed in claim 1, wherein the large anchoring and protecting arm comprises a base, an upper connecting rod, a lower connecting rod, a working platform and a lifting cylinder; wherein the base is fixed on the sliding device; the upper connecting rod and the lower connecting rod are arranged between the base and the working platform through pin connection; the upper connecting rod and the lower connecting rod are both of telescopic sleeve structures, and telescopic oil cylinders are arranged on the upper connecting rod and the lower connecting rod; the lifting oil cylinder drives the upper connecting rod and the lower connecting rod to rotate around respective rotating centers at the same speed and the same direction; the working platform is connected with the drill frame device.
3. The mining multi-row double-arm hydraulic drill rig according to any one of claim 2, wherein the sliding device comprises a sliding base, a sliding guide and a telescopic mechanism; the sliding base, the sliding guide and the telescopic mechanism are all arranged on the walking chassis; the sliding base is connected with the base; the telescopic mechanism drives the sliding base to slide on the sliding track along the sliding guide.
4. The mining multi-row double-arm hydraulic drill carriage as claimed in claim 3, wherein the telescoping mechanism comprises a sliding cylinder and a roller chain device; the roller chain device is arranged on the outer side of the sliding oil cylinder; the roller chain device is arranged between the sliding guide and the sliding oil cylinder.
5. The mining multi-row double-arm hydraulic drill rig according to any one of claims 1-4, wherein the travelling chassis comprises a left travelling device, a right travelling device, an intermediate frame and a tail frame; one end of each of the left traveling device, the right traveling device and the middle rack is connected with the tail rack; the left walking device and the right walking device are symmetrically arranged on two sides of the middle rack; the sliding tracks are arranged on the left traveling device and the right traveling device; the sliding guide is arranged on the left traveling device and the right traveling device and is positioned at one end of the tailstock; and the hydraulic system, the cab and the electrical system are arranged above the tailstock.
6. The mining multi-row double-arm hydraulic drill rig according to claim 5, wherein the left travelling device and the right travelling device each comprise a travelling mechanism, a travelling motor, a travelling speed reducer and a track chain; the walking motor drives the walking speed reducer to drive the crawler chain to walk; the sliding guide is arranged above the travelling mechanism; the telescopic mechanism is arranged above the travelling mechanism; the sliding track is arranged on the traveling mechanism.
7. The mining multi-row double-arm hydraulic drill rig according to claim 6, wherein a brake is embedded in the walking reducer; the hydraulic system is connected with the brake.
8. The mining multi-row double-arm hydraulic drill rig according to claims 5-7, wherein the travelling chassis further comprises a track tensioning mechanism.
9. The mining multi-row double-arm hydraulic drill rig according to any one of claims 1-8, wherein the temporary support device is connected to the multi-row double-arm hydraulic drill rig through a connecting lug seat and comprises a lower lifting sleeve and an upper telescopic cross beam; the lifting sleeve is connected to the multi-row double-arm hydraulic drill carriage through the connecting lug seats.
10. The mining multi-row double-arm hydraulic drill rig according to claim 9, wherein the telescopic cross beams comprise left and right telescopic cross beams and fixed cross beams; the fixed cross beam is fixedly arranged on the lifting sleeve; the left telescopic cross beam and the right telescopic cross beam are symmetrically arranged at two ends of the fixed cross beam.
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| CN202110335537.3A CN112832804A (en) | 2021-03-29 | 2021-03-29 | Mining multi-row double-arm hydraulic drill carriage |
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| CN202110335537.3A CN112832804A (en) | 2021-03-29 | 2021-03-29 | Mining multi-row double-arm hydraulic drill carriage |
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Application publication date: 20210525 |