CN105275398B - A kind of high-pressure small jet prevents and treats the nozzle adjustable mechanism of coal and gas prominent device - Google Patents

Abstract

The invention discloses a nozzle adjustable mechanism of a high-pressure small jet flow preventing and controlling coal and gas outburst device, which comprises a gun head assembly part, a gun head bracket assembly part, a cantilever support frame, a pipe clamp assembly part, a rubber water pipe, a hydraulic cylinder moving up and down, Push arm, left and right movement hydraulic cylinder and rotating arm structure; the gun head assembly part runs through the gun head bracket assembly part coaxially, and is connected with the rubber water pipe through the pipe clamp assembly part; the gun head bracket assembly part is fixed at the end of the cantilever support frame, The pipe clamp assembly part, rubber water pipe, hydraulic cylinder for up and down movement, push arm, hydraulic cylinder for left and right movement and the rotating arm structure are set in the cantilever support frame; the hydraulic cylinder for moving up and down is connected to the bottom of the pipe clamp assembly part through the rotating arm structure, and the hydraulic The cylinder is connected to the gun head bracket assembly through the push arm. The present invention can easily adjust and ream the current hydraulic drilling coal seam in four directions, up, down, left, and right, so that the cantilever support frame part of the hydraulic drilling coal body mechanism can stably and smoothly enter the deep coal seam.

Description

A Nozzle Adjustable Mechanism of a High-Pressure Small Jet Flow Prevention and Control Device for Coal and Gas Outburst

technical field

The invention relates to a mechanical structure, in particular to a nozzle adjustable mechanism of a high-pressure small jet flow prevention and control device for coal and gas outburst.

Background technique

During the excavation process of coal and gas outburst mines, the traditional measures mainly include hydraulic fracturing, hydraulic loosening, hydraulic extrusion, hydraulic cutting and other hydraulic measures, as well as loosening blasting, advanced discharge drilling, and deep hole controlled unloading. Pressure blasting, unloading pressure grooves along the periphery of the roadway, etc., but these measures have limitations. For example, hydraulic punching is aimed at the phenomenon of self-injection when drilling outburst coal seams. Pressure water drilling is used to punch holes to stimulate the injection holes to release outburst energy and reduce outburst risks within a certain range. It is mainly suitable for Shimen unraveling coal or soft coal with strong self-injection ability. layered. Loosening blasting is mainly suitable for weakly outburst coal seams with hard coal and low outburst strength; the construction time of advanced discharge drilling is long, the effective action distance of measures is short, and the rate of exceeding the standard of effectiveness inspection is high; Solve fundamentally; The limitation that these traditional methods exist, just brings certain restriction to rapid excavation work, has a strong impact on the working efficiency of excavation.

The existing high-pressure small-jet prevention and control device for coal and gas outburst has a single gun head structure. After the high-pressure small-jet hydraulic drilling coal seam reaches a certain depth, due to the limitation of the impact diameter of the orifice, it is impossible to drill to a certain depth. Become a bottleneck problem of high-pressure small jet cutting hydraulic drilling.

Contents of the invention

The object of the present invention is to provide a nozzle adjustable mechanism of a high-pressure small jet prevention and control device for coal and gas outburst, which is used to expand the orifice of the hydraulically cut coal body to solve the problem of hydraulic drilling orifice reaming.

In order to achieve the above object, technical scheme of the present invention is:

A nozzle adjustable mechanism of a high-pressure small jet flow prevention and control device for coal and gas outburst, including a gun head assembly part, a gun head bracket assembly part, a cantilever support frame, a pipe clamp assembly part, a rubber water pipe, a hydraulic cylinder moving up and down, a push arm, a left and right Movement hydraulic cylinder and rotating arm structure; the center of the gun head bracket assembly part is provided with a through hole, and one end of the gun head assembly part coaxially runs through the through hole of the gun head bracket assembly part, and passes through the gun head bracket assembly part. The pipe clamp assembly part is coaxially connected with the rubber water pipe; the gun head bracket assembly part is fixed on the end of the cantilever support frame, and the pipe clamp assembly part, rubber water pipe, and vertical movement hydraulic pressure Cylinder, push arm, left and right movement hydraulic cylinder and pivoting arm structure are arranged in the described cantilever support frame; The described up and down movement hydraulic cylinder is connected to the bottom of the described pipe clamp assembly part through the described pivoting arm structure, so The left and right movement hydraulic cylinder is connected to the gun head bracket assembly part through the push arm.

The nozzle adjustable mechanism of the above-mentioned high-pressure small jet flow prevention and control device for coal and gas outburst, wherein the gun head assembly part includes a gun head nozzle, a transition pipe and a water pipe connection head, and the gun head nozzle and the transition pipe One end of the transition pipe is fixedly connected by thread, and the other end of the transition pipe is fixedly connected with the water pipe connector by welding.

The nozzle adjustable mechanism of the above-mentioned high-pressure small jet prevention and control device for coal and gas outburst, wherein, the gun head support assembly part includes the gun head support outer ring, the gun head support inner ring, multiple bearings and the gun head support outer frame; The outer frame of the gun tip bracket is a square frame structure, the center of both sides of the outer frame of the gun tip bracket is respectively provided with through holes, the outer ring of the gun tip bracket is a ring structure, and the described gun tip bracket The two sides of the outer ring are symmetrically provided with outer ring extension columns, and the outer ring extension columns are fixed together with the plurality of bearings in clearance, and the outer ring extension columns pass through the The bearing is adapted to be connected with the through holes on both sides of the outer frame of the gun tip bracket, so that the outer ring of the gun tip bracket rotates on the axis of the protruding column of the outer ring; the outer ring of the gun tip bracket The upper end and the lower end are respectively symmetrically provided with through holes, and the upper end and the lower end of the inner ring of the gun head bracket are respectively symmetrically provided with inner ring extension columns, and the inner ring extension columns are fixed with the gaps between the plurality of bearings. Together, the inner ring protruding column is fitted and connected with the through hole on the outer ring of the gun tip bracket through the described bearing, so that the inner ring of the gun tip bracket protrudes through the inner ring The column rotates about the axis. When assembling, first connect the inner ring of the gun head bracket with the outer ring of the gun head frame through bearings, and then connect the outer ring of the gun head bracket with the outer frame of the gun head bracket through bearings.

The nozzle adjustable mechanism of the above-mentioned high-pressure small jet prevention and control device for coal and gas outburst, wherein, the top side of the outer ring of the gun head bracket is provided with an extending arm of the outer ring of the gun head bracket, and the outer ring of the gun head bracket A connection hole is provided in the center of one end of the extension arm, and a first connection head is provided at one end of the push arm, and the extension arm of the outer ring of the gun head bracket passes through the fastening screw in the connection hole and the described connection hole. The first connector of the push arm is connected.

The nozzle adjustable mechanism of the above-mentioned high-pressure small jet flow prevention and control device for coal and gas outburst, wherein, the end of the left-right movement hydraulic cylinder is provided with a left-right movement extension shaft, and the left-right movement extension shaft is connected with a left-right movement Steering arm, the other end of the push arm is provided with a second connector, and the left-right movement steering arm is connected to the second connector.

The nozzle adjustable mechanism of the above-mentioned high-pressure small jet flow prevention and control device for coal and gas outburst, wherein the pipe clamp assembly part includes the upper half of the pipe clamp, the lower half of the pipe clamp, the extension shaft stop washer and a plurality of pipe clamps fastening screws, the upper half of the pipe clamp is connected to the lower half of the pipe clamp through the plurality of fastening screws of the pipe clamp, and the extending shaft stop washer is connected to the lower half of the pipe clamp bottom center of the section.

The nozzle adjustable mechanism of the above-mentioned high-pressure small jet flow prevention and control device for coal and gas outburst, wherein, the rotating arm structure includes a rotating arm bushing, a support frame, a supporting block, a rotating shaft, and a rotating arm fastening screw; The shaft sleeve and the rotating shaft are assembled with clearance, and the two ends of the rotating shaft are connected with the cantilever support frame and fixed by the fastening screws of the rotating arm; the support frame is a U-shaped rectangular block , the two ends of the support frame are symmetrically provided with support frame through holes respectively, the bottom of the support frame is in an arc-shaped structure and is fixedly welded with the shaft sleeve of the pivot arm; the support block is in a rectangular structure, It is fixedly welded on one side of the pivoting arm bushing through a transition block, the middle part of the support frame is provided with a support frame through slot, and the extended shaft stop washer runs through the support frame through slot.

The nozzle adjustable mechanism of the above-mentioned high-pressure small jet flow prevention and control device for coal and gas outburst also includes a push-down arm, and a first push-down arm through hole is provided in the middle of one end of the push-down arm. The end of the cylinder is provided with a vertically moving steering arm, and the vertically moving steering arm is provided with a steering arm slot, and the steering arm slot is connected with the lower push arm through hole by moving up and down with fastening screws; The middle part of the other end of the push-down arm is provided with a second push-down arm through hole, and the second push-down arm through-hole is connected with the support frame through a push-down arm fastening screw.

The nozzle adjustable mechanism of the above-mentioned high-pressure small jet flow prevention and control device for coal and gas outburst, wherein, the up-and-down movement steering arm is a rectangular block structure with one end hollowed out in a U-shaped structure, and the center of the other end of the up-and-down movement steering arm A first steering arm through hole is provided, and the up and down movement hydraulic cylinder is provided with an up and down movement extension shaft, and the first steering arm through hole is threadedly connected with the up and down movement extension shaft; The hollow end of the moving steering arm is symmetrically provided with a second steering arm through hole, and the second steering arm through hole is connected to the support frame through the push-down arm fastening screw.

The present invention can easily adjust and ream the current hydraulic drilling coal seam in four directions, up, down, left, and right, so that the cantilever support frame part of the hydraulic drilling coal body mechanism can enter into the deep coal seam stably, and achieve the goal of hydraulic drilling. Purpose.

Description of drawings

Fig. 1 is a structural schematic diagram of the nozzle adjustable mechanism of the high-pressure small jet preventing and controlling coal and gas outburst device of the present invention.

Fig. 2 is a partially enlarged view of the nozzle adjustable mechanism of the high-pressure small jet preventing and controlling coal and gas outburst device of the present invention.

Fig. 3 is a structural schematic diagram of the gun head assembly part of the nozzle adjustable mechanism of the high-pressure small jet flow prevention and control device for coal and gas outburst of the present invention.

Fig. 4 is a schematic structural view of the gun head bracket assembly part of the nozzle adjustable mechanism of the high-pressure small jet flow prevention and control device for coal and gas outburst of the present invention.

Fig. 5 is a structural schematic diagram of the outer ring of the gun head bracket of the nozzle adjustable mechanism of the high-pressure small jet flow prevention and control device for coal and gas outburst of the present invention.

Fig. 6 is a schematic structural view of the assembly bearing of the outer ring of the gun head bracket of the nozzle adjustable mechanism of the high-pressure small jet flow prevention and control device for coal and gas outburst of the present invention.

Fig. 7 is a structural schematic diagram of the outer frame of the gun head bracket of the nozzle adjustable mechanism of the high-pressure small jet flow prevention and control device for coal and gas outburst of the present invention.

Fig. 8 is a structural schematic diagram of the inner ring of the gun head bracket of the nozzle adjustable mechanism of the high-pressure small jet flow prevention and control device for coal and gas outburst of the present invention.

Fig. 9 is a structural schematic diagram of the assembly bearing of the inner ring of the gun head bracket of the nozzle adjustable mechanism of the high-pressure small jet flow prevention and control device for coal and gas outburst of the present invention.

Fig. 10 is a structural schematic diagram of the push arm of the nozzle adjustable mechanism of the high-pressure small jet flow prevention and control device for coal and gas outburst of the present invention.

Fig. 11 is an installation structure diagram of the left and right moving hydraulic cylinder of the nozzle adjustable mechanism of the high-pressure small jet prevention and control device for coal and gas outburst of the present invention.

Fig. 12 is a structural schematic diagram of the pipe clamp assembly part of the nozzle adjustable mechanism of the high-pressure small jet prevention and control device for coal and gas outburst of the present invention.

Fig. 13 is a structural schematic diagram of the rotating arm structure of the nozzle adjustable mechanism of the high-pressure small jet flow prevention and control device for coal and gas outburst of the present invention.

Fig. 14 is a structural schematic diagram of the push-down arm of the nozzle adjustable mechanism of the high-pressure small jet preventing and controlling coal and gas outburst device of the present invention.

Fig. 15 is a structural schematic diagram of the vertically moving steering arm of the nozzle adjustable mechanism of the high-pressure small jet preventing and controlling coal and gas outburst device of the present invention.

Fig. 16 is an installation structure diagram of the rotating arm structure of the nozzle adjustable mechanism of the high-pressure small jet preventing and controlling coal and gas outburst device of the present invention.

Fig. 17 is a schematic bottom view of the nozzle adjustable mechanism of the high-pressure small jet prevention and control device for coal and gas outburst of the present invention.

detailed description

Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

Please refer to attached drawings 1, 2 and 17, a nozzle adjustable mechanism of a high-pressure small jet prevention and control coal and gas outburst device, including a gun head assembly part 1, a gun head bracket assembly part 2, and a cantilever support frame 3. Pipe clamp assembly part 4, rubber water pipe 5, hydraulic cylinder 6 for up and down movement, push arm 7, hydraulic cylinder 8 for left and right movement and pivoting arm structure 9; the center of the assembly part 2 of the gun head bracket is provided with a through hole, so that One end of the gun head assembly part 1 coaxially passes through the through hole of the gun head bracket assembly part 2, and is coaxially connected with the rubber water pipe 5 through the pipe clamp assembly part 4; The head bracket assembly part 2 is fixed on the end of the cantilever support frame 3, the pipe clamp assembly part 4, the rubber water pipe 5, the hydraulic cylinder 6 moving up and down, the push arm 7, the hydraulic cylinder 8 moving left and right and the rotating arm structure 9 is arranged in the cantilever support frame 3; the up and down movement hydraulic cylinder 6 is connected to the bottom of the pipe clamp assembly part 4 through the boom structure 9, and the left and right movement hydraulic cylinder 8 is connected through the The push arm 7 is connected to the assembly part 2 of the gun head bracket.

Please refer to accompanying drawing 3, described gun head assembly part 1 comprises gun head nozzle 11, transition pipe 12 and water pipe connector 13, and described gun head nozzle 11 and one end of described transition pipe 12 are fixed by thread The other end of the transition pipe 12 is fixedly connected with the water pipe connector 13 by welding.

Please refer to accompanying drawings 4 to 9, the described gun tip bracket assembly part 2 includes a gun tip bracket outer ring 21, a gun tip bracket inner ring 22, a plurality of bearings 23 and a gun tip bracket outer frame 24; The outer frame 24 of the gun head bracket is a square frame structure, and the center of both sides of the described gun head bracket outer frame 24 is respectively provided with through holes, and the described gun head bracket outer ring 21 is an annular structure, and the described gun head The two sides of the bracket outer ring 21 are respectively symmetrically provided with outer ring extension columns, and the outer ring extension columns are fixed together with the plurality of bearings 23 in clearance fit, and the outer ring extension columns pass through The bearing 23 is adapted to be connected with the through holes on both sides of the outer frame 24 of the gun tip bracket, so that the outer ring 21 of the gun tip bracket is rotated on the axis of the extension column of the outer ring; The upper end and the lower end of the gun tip bracket outer ring 21 are respectively symmetrically provided with through holes, and the upper end and the lower end of the gun tip bracket inner ring 22 are respectively symmetrically provided with inner ring extension columns, and the inner ring extension columns are in line with the The plurality of bearings 23 described above are fixed together with clearance fit, and the protruding column of the inner ring is fitted and connected with the through hole on the outer ring 21 of the gun head bracket through the described bearings 23, so that the gun head The inner ring 22 of the bracket rotates on the axis of the extension column of the inner ring. When assembling, the inner ring 22 of the gun head support is connected with the frame outer ring 21 of the gun head through the bearing 23, and then the outer ring 21 of the gun head support is connected with the outer frame of the gun head support through the bearing 23.

The side length of the described tip support frame 24 is 110 mm, and the wall thickness is 5 mm. The diameter of the through hole on the described tip support frame 24 is 22 mm.

The diameter of the through hole on the outer ring 21 of the gun tip bracket is 22 mm, and the diameter of the protruding column of the outer ring is 10 mm.

The inner diameter of the inner ring 22 of the gun tip bracket is 60 mm, the wall thickness is 5 mm, and the diameter of the inner ring support column is 10 mm.

Please refer to the accompanying drawing 10, the top side of the outer ring 21 of the gun tip bracket is provided with an extension arm 211 of the outer ring of the gun tip bracket, and the center of one end of the outer ring extension arm 211 of the gun tip bracket is provided with a A connection hole, one end of the push arm 7 is provided with a first connection head 71, and the extension arm 211 of the outer ring of the gun head bracket passes through the fastening screw 212 in the connection hole and the connection of the push arm 7 The first connector 71 is connected.

The diameter of the connection hole on the extension arm 211 of the outer ring of the gun tip bracket is 5 mm.

See also shown in accompanying drawing 11, the end of described left and right movement hydraulic cylinder 8 is provided with left and right movement extension shaft 81, is connected with left and right movement steering arm 82 on described left and right movement extension shaft 81, and described push The other end of the arm 7 is provided with a second connecting head 72 , and the left and right moving steering arm 82 is connected with the second connecting head 72 .

The working process of controlling the left and right movement of the gun head is described as follows: firstly, under the adjustment control of the hydraulic valve, the left and right movement of the hydraulic cylinder 8 extends the left and right extension shaft 81 to perform the extension movement, and the push arm 7 is connected to the left and right movement of the steering arm 82. Also do the motion of extending forward under action, and the extending arm 211 of the gun head support outer ring that is connected with the first connecting head 71 also can do the motion of extending forward, so just drives the gun head support outer ring 21 to also move forward. Make the motion that protrudes forward; When adjusting the control valve to make the left and right movement of the left and right hydraulic cylinder 8 stretch out the shaft 81 to do the contraction movement, the whole movement process is opposite to the previous description, and the purpose of controlling the left and right movement of the gun head is achieved.

Please refer to the accompanying drawing 12, the pipe clamp assembly part 4 includes the upper half of the pipe clamp 41, the lower half of the pipe clamp 42, the extended shaft stop washer 43 and a plurality of pipe clamp fastening screws 44, the described The upper half of the pipe clamp 41 is connected to the lower half of the pipe clamp 42 through the plurality of fastening screws 44 of the pipe clamp, and the extending shaft stop washer 43 is connected to the lower half of the pipe clamp 42 bottom center of the . The pipe clamp assembly part 4 is used for clamping and positioning the rubber water pipe 5, so as to facilitate the up and down movement of the hydraulic cylinder 6 to control its up and down movement.

Please refer to accompanying drawings 13 and 16, the described boom structure 9 includes a boom shaft sleeve 91, a support frame 92, a support block 93, a rotating shaft 96, and a rotating arm fastening screw 97; the rotating arm shaft The sleeve 91 is assembled with the rotating shaft 96 in a clearance fit, and the two ends of the rotating shaft 96 are connected with the cantilever support frame 3 and fixed by the rotating arm fastening screws 97; the support frame 92 is U-shaped rectangular block, the two ends of the support frame 92 are respectively symmetrically provided with support frame through holes, and the bottom of the support frame 92 is in an arc-shaped structure and is fixedly welded with the described pivot arm bushing 91; The support block 93 has a rectangular structure, and is fixedly welded on one side of the pivot arm sleeve 91 through a transition block 931. The middle part of the support frame 93 is provided with a support frame through groove, and the extension shaft The stop washer 43 runs through the through groove of the support frame.

Described rotating arm axle sleeve 91 is that a diameter is 15mm, wall thickness is 3mm, the steel pipe that length is 90mm, and described rotating shaft 96 is that a diameter is 15mm, and length is the axle of 110mm.

The diameter of the through hole of the support frame is 5mm.

The arc radius of the bottom of the support frame 92 is equivalent to the radius of the pivot arm sleeve 91 .

The width of the support block 93 is 55mm, and the width of the through groove of the support frame is 12mm.

Please refer to accompanying drawing 14 and accompanying drawing 15, also comprise push-down arm 94, the middle part of one end of described push-down arm 94 is provided with the first push-down arm through hole, the end of described up and down movement hydraulic cylinder 6 There is a steering arm 62 that moves up and down, and the steering arm 62 that moves up and down is provided with a steering arm slot, and the steering arm slot is connected with the push arm through hole by moving up and down with a fastening screw 63; The middle part of the other end of the push-down arm 94 is provided with a second push-arm through hole, and the second push-down arm through-hole is connected with the support frame 92 through the push-down arm fastening screw 95 .

Described push down arm 94 is a long 79mm, wide 16mm, thickness is the rectangular block of 10mm, the diameter of described first push down arm through hole is 6mm, the diameter of the second push down arm through hole is 8mm.

The up and down movement steering arm 62 is a rectangular block structure with one end hollowed out in a U-shaped structure, and the center of the other end of the up and down movement steering arm 62 is provided with a first steering arm through hole, and the up and down movement hydraulic cylinder 6 There is an extension shaft 61 for up and down movement, and the through hole of the first steering arm is threadedly connected with the extension shaft 61 for up and down movement; the hollow end of the up and down movement steering arm 62 is symmetrically provided with a second steering arm through hole, and the second steering arm through hole is connected with the support frame 92 through the push-down arm fastening screw 95 .

The depth of the U-shaped hollow at one end of the vertically moving steering arm 62 is 6 mm, and the diameter of the through hole of the second steering arm is 6 mm; the through hole of the first steering arm is provided with M10X1 threads.

The working process of controlling the up and down movement of the gun head is described as follows: firstly, under the adjustment control of the hydraulic valve, the up and down movement of the hydraulic cylinder 6 extends the shaft 61 to extend, and the push arm 94 connected to the up and down steering arm 62 is also extended. Can make the movement that protrudes forward, and the support frame 92 that links to each other with push down arm 94 is done the action of pulling down, and the support block 93 that is connected with the extension shaft stop washer 43 of pipe clamp assembly part 4 also can be done to pull down. Action, the pipe clamp assembly part 4 connected with it will drive the rubber water pipe 5 to move downward; when the control valve is adjusted to make the up and down movement of the hydraulic cylinder 6 stretch out the shaft 61 to do the contraction movement, the whole movement process is the same as the previous one. The description is on the contrary, and the purpose of controlling the up and down movement of the gun head is achieved.

In describing the present invention, it is to be understood that the terms "central", "one end", "coaxial", "inner", "upper", "bottom", "other end", "both sides", "central ", "upper end", "lower end", "diameter", "top" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating Or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "connection", "fixed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be an internal communication between two elements or an interaction relationship between two elements, unless otherwise clearly defined. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

To sum up, the present invention can easily adjust and ream the current hydraulic drilling coal seam in four directions, up, down, left, and right, so that the cantilever support frame part of the hydraulic drilling coal body mechanism can enter into the deep coal seam stably, To achieve the purpose of hydraulic drilling.

The above is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made by the content of the specification of the present invention, or direct or indirect use of the technical fields attached to other related products, are all the same. The theory is included in the scope of patent protection of the invention.

Claims (7)

1. a kind of high-pressure small jet prevents and treats the nozzle adjustable mechanism of coal and gas prominent device, it is characterised in that：Including pipette tips dress With portion, pipette tips support department, Cantilever, pipe clamp department of assembly, rubber water pipe, up and down motion hydraulic cylinder, push arm, left and right fortune Hydrodynamic cylinder pressure and pivoted arm structure；The center of described pipette tips support department is provided with through hole, one end of described pipette tips department of assembly Coaxially run through the through hole of described pipette tips support department, and pass through described pipe clamp department of assembly and described rubber water pipe coaxial Connection；Described pipette tips support department is fixed on the end of described Cantilever, described pipe clamp department of assembly, rubber water Pipe, up and down motion hydraulic cylinder, push arm, side-to-side movement hydraulic cylinder and pivoted arm structure are arranged in described Cantilever；It is described Up and down motion hydraulic cylinder the bottom of described pipe clamp department of assembly, described side-to-side movement are connected to by described pivoted arm structure Hydraulic cylinder is connected to by described push arm in described pipette tips support department.

2. high-pressure small jet according to claim 1 prevents and treats the nozzle adjustable mechanism of coal and gas prominent device, its feature It is：Described pipette tips department of assembly includes pipette tips nozzle, transition conduit and water pipe joint, described pipette tips nozzle and described mistake The one end for crossing pipe is threadably secured connection, and the other end of described transition conduit is with described water pipe joint by being welded and fixed Connection.

3. high-pressure small jet according to claim 1 prevents and treats the nozzle adjustable mechanism of coal and gas prominent device, its feature It is：The end of described side-to-side movement hydraulic cylinder is provided with side-to-side movement projecting shaft, described side-to-side movement projecting shaft and connected Have a side-to-side movement steering arm, the other end of described push arm is provided with the second connector, described side-to-side movement steering arm with it is described The second connector connection.

4. high-pressure small jet according to claim 1 prevents and treats the nozzle adjustable mechanism of coal and gas prominent device, its feature It is：Described pipe clamp department of assembly includes the pipe clamp first half, pipe clamp lower half, projecting shaft stemmed washer and multiple pipe clamps fastening spiral shell Nail, the described pipe clamp first half is connected by described multiple pipe clamp trip bolts with described pipe clamp lower half, and described stretches Shaft stemmed washer is connected to the bottom center of described pipe clamp lower half.

5. high-pressure small jet according to claim 4 prevents and treats the nozzle adjustable mechanism of coal and gas prominent device, its feature It is：Described pivoted arm structure includes pivoted arm axle sleeve, support frame, support block, rotating shaft, pivoted arm trip bolt；Described tumbler shaft Set coordinates with described rotating shaft gap to be assembled, and the two ends of described rotating shaft are connected with described Cantilever, and by described Pivoted arm trip bolt fix；Described support frame is the rectangular block of U-shaped, and the two ends of described support frame are respectively symmetrically provided with branch Support through hole, the curved structure in bottom of described support frame simultaneously fixes welding with described pivoted arm axle sleeve；Described support block It is in rectangular configuration, and the side of described pivoted arm axle sleeve is fixedly welded on by transition block, the middle part of described support frame is provided with Support frame groove, described projecting shaft stemmed washer runs through described support frame groove.

6. high-pressure small jet according to claim 5 prevents and treats the nozzle adjustable mechanism of coal and gas prominent device, its feature It is：Also include lower push arm, one end middle part of described lower push arm is provided with first time push arm through hole, described up and down motion hydraulic pressure The end of cylinder is provided with up and down motion steering arm, and described up and down motion steering arm is provided with steering arm groove, described steering arm Groove is connected with described lower push arm through hole by up and down motion trip bolt；Provided with the in the middle part of the other end of described lower push arm Two times push arm through holes, second time described push arm through hole is connected by lower push arm trip bolt with described support frame.

7. high-pressure small jet according to claim 6 prevents and treats the nozzle adjustable mechanism of coal and gas prominent device, its feature It is：Described up and down motion steering arm is that one end hollow out takes the shape of the letter U the rectangular block architecture of structure, and described up and down motion is turned to The other end center of arm is provided with the first steering arm through hole, and described up and down motion hydraulic cylinder is provided with up and down motion projecting shaft, institute The the first steering arm through hole stated is threadedly coupled with described up and down motion projecting shaft；The hollow out end of described up and down motion steering arm Place is arranged with the second steering arm through hole, described the second steering arm through hole by described lower push arm trip bolt with it is described Support frame is connected.