CN106194022A - A kind of Portable drilling device for fully-mechanized mining working passing fault and using method - Google Patents

Abstract

A portable drilling device for crossing faults in a fully mechanized mining face and its use method. The device includes a drilling rig, a drilling rig mounting frame, a column and a block; the block is located on a scraper conveyor, one end of the column is connected to the block, and the other end of the column is connected to a The bracket leans against the contact fit, the drilling machine installation frame is connected on the column, and the drilling machine is installed on the drilling machine installation frame. The steps of the method are as follows: erect and fix the column vertically; adjust the height, level and pitch swing angle of the drilling rig; control the jacking oil cylinder so that the jacking head rests against the hydraulic support; perform jacking on the main and auxiliary stabilizing legs; Enter the middle groove of the scraper conveyor; start the drilling rig, drive the oil cylinder to complete the drilling operation at the current drilling position; the drill rod of the drilling rig exits the drilling hole; re-adjust the position of the drilling rig to complete the drilling operation at other drilling positions; anti-rolling The clamping plate is withdrawn, the main and auxiliary stabilizing legs are out of the supporting state, and the jacking cylinder is retracted; push the tackle to move the drilling device to other drilling stations to complete the remaining drilling operations.

Description

A portable drilling device for crossing faults in a fully mechanized mining face and its application method

technical field

The invention belongs to the technical field of coal mine machinery, and in particular relates to a portable drilling device for crossing a fault in a fully mechanized mining face and a use method thereof.

Background technique

At present, in the process of underground coal mining, due to the complexity of coal seam occurrence conditions, there are often several faults of different sizes in the coal seam. At present, there are two treatment methods for hindering the normal advance of the fully mechanized mining face. The first is to bypass the fault and re-advance, and the second is to force the advance by blasting the fault. When a large fault is encountered, the first treatment method can be adopted , when a small fault is encountered, the second processing method is often adopted.

When adopting the method of forcefully pushing through the fault by blasting, it is first necessary to dismantle and transfer part of the fully mechanized mining equipment or carry out safety protection, and then blast the fault to realize the normal advancement of the fully mechanized mining face. Before blasting a fault, it is necessary to process a number of charging holes on the fault rock mass. These charging holes are all completed by manually operating a pneumatic rock bolt drill. The drilling efficiency is very low, and the labor intensity of the workers is particularly high. The faulting process takes a considerable amount of time at a time, which seriously affects the overall coal mining efficiency. Furthermore, due to the inefficient way of crossing faults, the mechanization advantages of fully mechanized mining equipment cannot be fully utilized.

At this stage, technicians are eager to improve the efficiency of crossing faults, especially the drilling efficiency in the process of crossing faults. For this reason, it is necessary to change the traditional manual drilling method of pneumatic rock bolters to realize mechanized drilling. The personnel originally wanted to introduce the traditional mechanized automatic rock drill into the process of crossing the fault, but limited by the narrow space of the fully mechanized mining face, the existing mechanized automatic rock drill is not suitable for use in the fully mechanized mining face due to its huge size. condition.

Therefore, it is necessary to design a brand-new mechanized drilling equipment for crossing faults in fully mechanized mining face, which should effectively improve drilling efficiency and fault crossing efficiency, so that the mechanization advantages of fully mechanized mining equipment can be fully utilized.

Contents of the invention

Aiming at the problems existing in the prior art, the present invention provides a portable drilling device for crossing a fault in a fully mechanized mining face and a method for using it, which can realize mechanized drilling, effectively reduce the labor intensity of workers, and effectively improve drilling efficiency and fault crossing. Efficiency can give full play to the mechanization advantages of fully mechanized mining equipment.

In order to achieve the above object, the present invention adopts the following technical solutions: a portable drilling device for crossing a fault in a fully mechanized mining face, including a drilling rig, a drilling rig mounting frame, a column and a pulley; the pulley is located on a scraper conveyor, and the One end of the column is connected to the pulley, and the other end of the column is in contact with the hydraulic support. The mounting frame of the drilling machine is connected to the column, and the drilling machine is installed on the mounting frame of the drilling machine.

The tackle includes a main frame, a sub-frame, wheels and rail clamps. The sub-frame is symmetrically connected to the front and rear ends of the main frame. An interspersed connection structure is adopted between the sub-frame and the main frame. The wheels are installed on the On the subframe, the wheel spacing is set by adjusting the penetration depth of the subframe; one end of the rail clamp is fixedly connected to the main frame, and the other end of the rail clamp is lapped on the pin row of the scraper conveyor; A rear shovel plate is installed on the outer side of the wheel; an anti-tipping clamp is installed on the main frame, and the anti-tipping clamp has a horizontal rotation degree of freedom, which is rotated and positioned by bolts, and is connected with the scraper The slot in the middle part of the conveyor is locked and matched; a load-bearing plate is fixed horizontally in the middle of the main frame, and a rotary disc is installed on the upper surface of the load-bearing plate.

The column includes a guide cylinder, a sliding sleeve and a jacking cylinder. One end of the guide cylinder is hinged on the rotary disk, and the bolts are used to lock and position the guide cylinder and the rotary disk; the sliding sleeve is set on the guide On the cylinder, the sliding sleeve is slidably matched with the guide cylinder; the clamping oil cylinder is fixedly mounted on the other end of the guide cylinder, and a clamping head is installed on the top of the clamping cylinder.

A winch is installed on the sliding sleeve, a pulley is installed on the top of the guide column, a traction rope is wound on the winch, one end of the traction rope is fixedly connected to the winch, and the other end of the traction rope is fixed to the sliding sleeve by going around the pulley Above: a hand-operated turntable is installed on the sliding sleeve, and an adapter frame is fixedly connected to the hand-operated turntable, and the adapter frame can adjust the pitch angle through the hand-operated turntable.

The drilling rig mounting frame includes a fixed frame body and a movable frame body, the fixed frame body is fixedly connected to the adapter frame, the movable frame body and the adapter frame are in sliding contact and fit, and a fixed frame body and the mobile frame body are connected with The first drive oil cylinder; a guide rail is provided on the moving frame body, a slide block is installed on the guide rail, a slide table is fixedly installed on the slide block, and the drilling machine is fixedly installed on the slide table; A second driving oil cylinder is connected between the frame body and the slide plate, and the first driving oil cylinder, the second driving oil cylinder and the guide rails are parallel to each other.

The adapter frame is respectively connected with a main stabilizer leg and an auxiliary stabilizer leg, the top of the main stabilizer leg is hinged with the adapter frame, and the bottom end of the main stabilizer leg is in contact with the ground or on the scraper conveyor ; One end of the auxiliary stabilizing leg is hinged with the adapter frame, the other end of the auxiliary stabilizing leg is in contact with the coal retaining plate of the scraper conveyor, and the distance between the auxiliary stabilizing leg and the coal retaining plate of the scraper conveyor The locking and positioning are carried out by bolts; the main and auxiliary stabilizing outriggers both adopt a telescopic structure.

The method for using the portable drilling device for crossing a fault in a fully mechanized mining face includes the following steps:

Step 1: Stand up the column vertically, and then fix and lock the guide column and the rotary table;

Step 2: Adjust the drilling rig to a horizontal state through the hand-operated turntable;

Step 3: Adjust the height position of the drilling machine through the winch, adjust the horizontal swing angle of the drilling machine through the rotary table, and adjust the pitch swing angle of the drilling machine through the hand-operated rotary table until the drilling machine is in the drilling position;

Step 4: Control the extension of the jacking cylinder so that the jacking head rests on the hydraulic support;

Step 5: Support the main stabilizing outriggers to the ground or the scraper conveyor, put the auxiliary stabilizing outriggers in contact with the coal retaining plate of the scraper conveyor, and then connect the auxiliary stabilizing legs and the scraper conveyor to block the coal The plate is fixed and locked;

Step 6: Turn the anti-tipping pallet so that the anti-tipping pallet is blocked in the middle groove of the scraper conveyor;

Step 7: Start the drilling rig, and control the actions of the first driving cylinder and the second driving cylinder in sequence until the drilling depth reaches the set value, and the drilling operation of the charging hole at the drilling position is completed;

Step 8: Control the actions of the first driving cylinder and the second driving cylinder in sequence, so that the drill rod of the drilling rig is withdrawn from the drilling hole;

Step 9: Readjust the height position, horizontal swing angle and pitch swing angle of the drilling rig, and complete the drilling operation of the charging holes at other drilling positions;

Step 10: Rotate the anti-tipping pallet so that the anti-tipping pallet withdraws from the slot in the middle of the scraper conveyor;

Step 11: Take the main and auxiliary stabilizing outriggers out of the top support state;

Step 12: Control the retraction of the jacking cylinder, so that the jacking head is out of contact with the hydraulic support;

Step 13: Push the pulley to move the drilling device to other drilling stations as a whole until the drilling of the remaining charge holes is completed.

Beneficial effects of the present invention:

Compared with the traditional manually operated pneumatic rock bolt drilling method, the present invention realizes mechanized drilling, effectively reduces the labor intensity of workers, effectively improves drilling efficiency and fault passing efficiency, and fully utilizes fully mechanized mining equipment. The advantages of mechanization effectively ensure the overall coal mining efficiency.

Description of drawings

Fig. 1 is a kind of portable drilling device structure schematic diagram that is used for crossing fault of fully mechanized mining working face of the present invention;

Fig. 2 is the actual installation schematic diagram of the present invention;

Fig. 3 is the block diagram of the present invention;

Fig. 4 is the schematic diagram of column structure of the present invention;

Fig. 5 is a structural schematic diagram of the drilling rig mounting frame of the present invention;

In the figure, 1—drilling rig, 2—drilling rig mounting frame, 3—column, 4—slider, 5—scraper conveyor, 6—hydraulic support, 7—main frame, 8—subframe, 9—wheel, 10 —Rail clamping device, 11—coal shoveling plate, 12—anti-tilt clamping plate, 13—load bearing plate, 14—turning plate, 15—guiding cylinder, 16—sliding sleeve, 17—top tightening cylinder, 18—top tightening Head, 19—winch, 20—pulley, 21—traction rope, 22—hand turntable, 23—transfer frame, 24—fixed frame body, 25—movable frame body, 26—first drive cylinder, 27—guide rail , 28—slide block, 29—sliding table, 30—the second drive oil cylinder, 31—the main stabilizing leg, 32—the auxiliary stabilizing leg.

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 to 5, a portable drilling device for crossing faults in a fully mechanized mining face includes a drilling rig 1, a drilling rig mounting frame 2, a column 3 and a pulley 4; the pulley 4 is located on a scraper conveyor 5 One end of the column 3 is connected to the tackle 4, the other end of the column 3 is in contact with the hydraulic support 6, the drilling rig installation frame 2 is connected to the column 3, and the drilling rig 1 is installed on the drilling rig installation frame 2.

Described tackle 4 comprises main frame 7, subframe 8, wheel 9 and rail clamping device 10, and described subframe 8 is symmetrically connected at the front and back end of main frame 7, between subframe 8 and main frame 7 The interspersed connection structure is adopted between them, the wheels 9 are installed on the sub-frame 8, and the wheel spacing is set by adjusting the penetration depth of the sub-frame 8; one end of the rail clamp 10 is fixedly connected to the main frame 7, and the rail clamp The other end of 10 is lapped on the pin row of the scraper conveyor 5; a rear shoveling plate 11 is installed on the outside of the wheel 9; an anti-tipping clamp 12 is installed on the main frame 7 to prevent tilting The turning board 12 has a horizontal rotation degree of freedom, which is rotated and positioned by bolts, and cooperates with the slot in the middle of the scraper conveyor 5; A rotary disc 14 is installed on the upper surface.

The column 3 includes a guide column 15, a sliding sleeve 16 and a jacking cylinder 17. One end of the guide column 15 is hinged on the rotary disk 14, and the locking position between the guide column 15 and the rotary disk 14 is performed by bolts. The sliding sleeve 16 is set on the guide cylinder 15, and the sliding sleeve 16 is slidably matched with the guide cylinder 15; tight head 18.

A winch 19 is installed on the sliding sleeve 16, a pulley 20 is installed on the top of the guide column 15, a traction rope 21 is wound on the winch 19, one end of the traction rope 21 is fixedly connected on the winch 19, and the traction rope 21 is another One end bypasses the pulley 20 and is fixedly connected to the sliding sleeve 16; a hand-operated turntable 22 is installed on the sliding sleeve 16, and an adapter frame 23 is fixedly connected to the hand-operated turntable 22, and the adapter frame 23 passes through the hand-operated turntable. The turntable 22 adjusts the pitch angle.

The drilling rig installation frame 2 includes a fixed frame body 24 and a movable frame body 25, the fixed frame body 24 is fixedly connected on the adapter frame 23, the movable frame body 25 is in sliding contact with the adapter frame 23, and the fixed frame body 24 A first drive cylinder 26 is connected with the mobile frame body 25; a guide rail 27 is arranged on the mobile frame body 25, a slide block 28 is installed on the guide rail 27, and a sliding table plate 29 is fixedly mounted on the slide block 28 , the drilling rig 1 is fixedly installed on the slide plate 29; the second drive cylinder 30 is connected between the mobile frame body 25 and the slide plate 29, the first drive cylinder 26, the second drive cylinder 30 and the The guide rails 27 are parallel.

Main stabilizing legs 31 and auxiliary stabilizing legs 32 are respectively connected to the adapter frame 23, the top of the main stabilizing legs 31 is hinged with the adapter frame 23, and the bottom end of the main stabilizing legs 31 is in contact with On the ground or on the scraper conveyor 5; one end of the auxiliary stabilizing leg 32 is hinged to the adapter frame 23, and the other end of the auxiliary stabilizing leg 32 is in contact with the coal baffle plate of the scraper conveyor 5, and the auxiliary stabilizing The outrigger 32 and the coal retaining plate of the scraper conveyor 5 are locked and positioned by bolts; the main stabilizing outrigger 31 and the auxiliary stabilizing outrigger 32 both adopt a telescopic structure.

When a fault is encountered when the fully mechanized mining face advances, the fully mechanized mining equipment cannot continue to work, and the fault needs to be forced to advance by blasting. At this time, the present invention can be hoisted on the scraper conveyor 5. In the initial state, the column 2 of the present invention It is in the down state, and the drilling machine 1 together with the drilling machine installation frame 2 and the column 2 are in a parallel state.

The described method for using the portable drilling device for crossing faults in fully mechanized mining face comprises the following steps:

Step 1: Stand up the column 2 vertically, and then fix and lock the guide column 15 and the rotary plate 14;

Step 2: Adjust the drilling machine 1 to a horizontal state through the hand-operated turntable 22;

Step 3: Adjust the height position of the drilling machine 1 through the winch 19, adjust the horizontal swing angle of the drilling machine 1 through the rotary table 14, and adjust the pitch swing angle of the drilling machine 1 through the hand-operated turntable 22 until the drilling machine 1 is in the drilling position;

Step 4: Control the jacking oil cylinder 17 to stretch out, so that the jacking head 18 leans against the hydraulic support 6;

Step 5: Support the main stabilizing leg 31 on the ground or the scraper conveyor 5, prop the auxiliary stabilizing leg 32 on the coal baffle plate of the scraper conveyor 5, and then connect the auxiliary stabilizing leg 32 with the The 5 coal baffles of the scraper conveyor are fixed and locked;

Step 6: Rotate the anti-tipping pallet 12 so that the anti-tipping pallet 12 is blocked in the middle groove of the scraper conveyor 5;

Step 7: Start the drilling rig 1, and control the actions of the first driving cylinder 26 and the second driving cylinder 30 in sequence until the drilling depth reaches the set value, and the drilling operation of the charging hole at the drilling position is completed;

Step 8: Control the actions of the first driving cylinder 26 and the second driving cylinder 30 in sequence, so that the drill pipe of the drilling rig 1 is withdrawn from the drilling hole;

Step 9: Readjust the height position, horizontal swing angle and pitch swing angle of the drilling rig 1, and complete the drilling operation of the charging holes at other drilling positions;

Step 10: Rotate the anti-tipping pallet 12 so that the anti-tipping pallet 12 withdraws from the slot in the middle of the scraper conveyor 5;

Step 11: Take the main stabilizing outrigger 31 and the auxiliary stabilizing outrigger 32 out of the supporting state;

Step 12: Control the jacking cylinder 17 to retract, so that the jacking head 18 is out of contact with the hydraulic support 6;

Step 13: Push the pulley 4 to move the drilling device to other drilling stations as a whole until the drilling of the remaining charge holes is completed.

The solutions in the embodiments are not intended to limit the scope of patent protection of the present invention, and all equivalent implementations or changes that do not deviate from the present invention are included in the patent scope of this case.

Claims (7)

1. the Portable drilling device for fully-mechanized mining working passing fault, it is characterised in that: include that rig, rig are installed Frame, column and coaster；Described coaster is positioned on drag conveyor, and described column one end is connected on coaster, the column other end with Hydraulic support leans contact and coordinates, and described rig installing rack is connected on column, and described rig is arranged on rig installing rack.

A kind of Portable drilling device for fully-mechanized mining working passing fault the most according to claim 1, it is characterised in that: Described coaster includes that main car frame, subframe, wheel and rail meter, described subframe are held before and after being symmetrically connected to main car frame, secondary Using interspersed attachment structure between vehicle frame and main car frame, wheel is arranged on subframe, by adjusting the interspersed degree of depth of subframe Carry out taking turns spacing to set；Described rail meter one end is connected on main car frame, and the rail meter other end is overlapped on the pin of drag conveyor On row；Ramp plate after described lateral wheel installs additional；Adding anti-tipping clamp on described main car frame, anti-tipping clamp has Horizontal rotation degree of freedom, it carries out revolution location by bolt, and coordinates with the middle pan of scraper conveyor block；At described main car In the middle part of frame, level is fixed with bearing plate, is provided with rotary disk at bearing plate upper surface.

A kind of Portable drilling device for fully-mechanized mining working passing fault the most according to claim 2, it is characterised in that: Described column includes guiding cylinder, sliding sleeve and stretch oil cylinder, and described guiding cylinder one end is hinged on rotary disk, and guides cylinder And carry out locking positioning by bolt between rotary disk；Described sliding sleeve is sleeved on guiding cylinder, and sliding sleeve slides with guiding cylinder Coordinate；Described stretch oil cylinder is packed in the guiding cylinder other end, is provided with on stretch oil cylinder top and holds out against head.

A kind of Portable drilling device for fully-mechanized mining working passing fault the most according to claim 3, it is characterised in that: Described sliding sleeve is provided with capstan winch, on described guiding cylinder top, pulley is installed, capstan winch is wound with pull rope, traction Rope one end is connected on capstan winch, and the pull rope other end is walked around pulley and is connected on sliding sleeve；Described sliding sleeve is provided with hand-rail type Rotating disk, hand-rail type rotating disk is fixed with Change-over frame, and Change-over frame carries out luffing angle adjustment by hand-rail type rotating disk.

A kind of Portable drilling device for fully-mechanized mining working passing fault the most according to claim 4, it is characterised in that: Described rig installing rack includes that fixing bracket body and movable support body, described fixing bracket body are connected on Change-over frame, movable support body with turn Connect frame sliding contact to coordinate, be connected between fixing bracket body with movable support body and have the first driving oil cylinder；In described movable support body Being provided with guide rail, be provided with slide block on guide rail, be fixed with slide unit plate on slide block, described rig is fixedly mounted on slide unit plate On；Being connected between described movable support body with slide unit plate and have the second driving oil cylinder, described first drives oil cylinder, the second driving oil cylinder And guide rail is parallel.

A kind of Portable drilling device for fully-mechanized mining working passing fault the most according to claim 5, it is characterised in that: Being connected to main stabilizing leg and secondary stabilizing leg on described Change-over frame, described main stabilizing leg top is cut with scissors mutually with Change-over frame Connecing, contact is shored on ground or drag conveyor in main stabilizing leg bottom；Described secondary stabilizing leg one end is cut with scissors mutually with Change-over frame Connecing, the secondary stabilizing leg other end shores contact on the spillplate of drag conveyor, and secondary stabilizing leg and drag conveyor Locking positioning is carried out by bolt between spillplate；Described main stabilizing leg and secondary stabilizing leg all use telescopic structure.

7. the using method of the Portable drilling device for fully-mechanized mining working passing fault described in claim 1, its feature exists In comprising the steps:

Step one: upright post vertical is uprightly risen, then it is directed to cylinder locking fixing with rotary disk；

Step 2: rig is adjusted to level by hand-rail type rotating disk；

Step 3: adjusted the height and position of rig by capstan winch, is adjusted the horizontal pivot angle of rig, passes through hand-rail type by rotary disk Rotating disk adjusts the pitching pivot angle of rig, until rig is in bore position；

Step 4: control stretch oil cylinder and stretch out, make to hold out against the crown and lean against on hydraulic support；

Step 5: shored on ground or drag conveyor by main stabilizing leg, shores contact defeated at scraper plate by pair stabilizing leg Send on the spillplate of machine, then by fixing to pair stabilizing leg and drag conveyor spillplate locking；

Step 6: turn round anti-tipping clamp, makes anti-tipping clamp block in the middle pan of scraper conveyor；

Step 7: start rig, controls the first driving oil cylinder and second successively and drives cylinder action, until drilling depth reaches to set Definite value, the operation of drilling of the powder charge hole at this bore position completes；

Step 8: control the first driving oil cylinder and second successively and drive cylinder action, makes the drilling rod of rig exit in boring；

Step 9: readjust the height and position of rig, horizontal pivot angle and pitching pivot angle, complete the powder charge at other bore positions Drill operation in hole；

Step 10: turn round anti-tipping clamp, makes anti-tipping clamp exit in the middle pan of scraper conveyor；

Step 11: main stabilizing leg and secondary stabilizing leg are departed from and shores state；

Step 12: control stretch oil cylinder and retract, make to hold out against head and disengage with hydraulic support；

Step 13: promote coaster, makes drilling equipment move integrally other boring stations, until completing to remain beating of powder charge hole Bore operation.