WO2018040458A1

WO2018040458A1 - Composite rotary-cutting mining machine

Info

Publication number: WO2018040458A1
Application number: PCT/CN2017/000551
Authority: WO
Inventors: 李仕清; 王艾泉; 张建华
Original assignee: 李仕清
Priority date: 2016-09-05
Filing date: 2017-09-01
Publication date: 2018-03-08

Abstract

A composite rotary-cutting mining machine relates to a coal mining machine or a heading machine. A composite drill bit or composite roller (7) of the mining machine is provided with at least one or a plurality of cylinders. A piston is provided in each cylinder, and acts on a cutting pick or a rotary cutting pick by means of a transmission device. Each cylinder is connected to high-pressure gas or high-pressure liquid, and acts on the piston to produce power. The power is transmitted to the cutting pick by means of the transmission device for a shock motion. The mining machine has a long service life, and is high in efficiency and low in power consumption.

Description

Composite rotary cutting machine

Technical field:

The invention relates to a composite rotary cutting mining machine which is used in mining, roadway mining and tunnel construction of mining equipment such as mining and drilling rigs.

Background technique:

At present, the picks of the coal mining machine or the roadheader are not active cutting, which causes the shearer or the roadheader to have a large resistance during work, which is easy to cause equipment damage, and at the same time waste a lot of power and increase the production cost.

Summary of the invention:

The present invention has been made in view of the above problems, and an object of the present invention is to provide a composite rotary cutting mining machine which has a cutting tooth disposed on a cutting seat and a certain axial direction along the axial direction during operation. The frequency reciprocates, the efficiency is high, the life is long, and the energy saving effect is remarkable.

In order to achieve the above object, the present invention adopts the following technical solutions:

A compound rotary cutting mining machine, relating to a coal mining machine boring machine,

The cutting portion of the composite rotary cutting machine is integrally provided with a picking seat, and the picking seat is provided with a pick that reciprocates at a certain frequency along the axial direction during operation. .

A compound rotary cutting machine for a shearer or a roadheader,

The cutting portion of the composite rotary cutting machine is integrally provided with a cutting seat, and the cutting seat is provided with a cylinder;

The cylinder is provided with a pick that reciprocates at a certain frequency along its axial direction during operation.

A compound rotary cutting machine for a shearer or a roadheader,

The utility model is characterized in that a cutting seat is integrally provided on the cutting portion of the composite rotary cutting machine;

A cylinder is disposed in the at least one or more pick seats, and a piston is disposed in the cylinder, and a rear portion of the inner piston of the cylinder is disposed with a high frequency of high and low pressure changes in a certain frequency during operation. a low pressure circulation chamber; a fluid inlet and outlet is arranged on the high and low pressure circulation chamber;

The high-low pressure circulating chamber of the cylinder body pushes the piston to reciprocate in the cylinder body at a certain frequency along the axial direction with a fluid whose high frequency and low pressure change at a certain frequency;

The piston that reciprocates at a certain frequency along its axial direction pushes the impact hammer provided at the front end to reciprocate in the cylinder body at a certain frequency along its axial direction;

The impact hammer that reciprocates at a certain frequency in its axial direction pushes the integrally provided shank impact end of the pick provided at the front end to reciprocate in the cylinder at a certain frequency in the axial direction thereof.

A compound rotary cutting machine for a shearer or a roadheader,

The cutting portion of the composite rotary cutting machine is integrally provided with a pick holder; the at least one or more pick seats are provided with a cylinder, and the cylinder is provided with a piston The piston moves within the cylinder;

A front end of the piston in the cylinder is provided with a compression piston, a front end of the compression piston is provided with an impact piston, and a front end of the impact piston is provided with an impact hammer, and a front end of the impact hammer is provided with a pick.

Preferably, the cylinder body or the cylinder body disposed inside the cylinder seat of the composite rotary cutter of the mining machine includes a hydraulic power cylinder; and the hydraulic power cylinder is provided with a hydraulic piston.

Preferably, the cylinder body or the cylinder body disposed inside the cylinder seat of the composite rotary cutting machine is integrally provided with a pneumatic power cylinder; and the pneumatic power cylinder is provided with a pneumatic piston.

Preferably, the high pressure valve coupled to the cylinder provided in the pick holder of the composite rotary cutting machine includes at least one or more hydraulic reversing valves;

Or the fluid valve coupled to the cylinder provided in the pick bit of the mining machine or the pick-up of the composite drum comprises at least one or more pneumatic directional valves.

Preferably, a cylinder liner is disposed on an inner side of the cylinder provided in the pick holder of the composite rotary cutting machine;

Or a cylinder liner is disposed on an inner side of the cylinder body integrally provided by the cutting seat of the combined rotary cutting machine.

Preferably, the pick holder and the cylinder of the composite rotary cutting machine can be integrally provided.

Preferably, the cylinder of the composite rotary cutting machine is provided with a high and low pressure circulation chamber.

Preferably, the fluid in the high-low pressure circulation chamber of the cylinder of the composite rotary cutting machine has an inlet and outlet.

Preferably, the front end of the cylinder head of the composite rotary cutting machine and the picking seat are provided with a positioning sleeve; the positioning sleeve is provided with a retracting shaft pin.

Preferably, the outer side of the cylinder of the composite rotary cutting machine is provided in a cone structure.

Preferably, the cylinder of the composite rotary cutting machine is provided with a stroke positioning hole.

Preferably, a limit venting hole is arranged on the cylinder of the composite rotary cutting machine.

Beneficial effects:

By providing a reciprocating transmission device on the cutting portion of the shearer or the roadheader, the picking effect is generated by the picking teeth, and the picking teeth reciprocate along the axial direction at a certain frequency during the working, thereby improving the mining efficiency and reducing Mining costs and promote the development of mining and tunnel construction.

BRIEF DESCRIPTION OF THE DRAWINGS:

The technical solutions and advantages of the present invention will be described in detail by reference to the accompanying drawings in which:

1 to 5 are schematic views of a composite rotary cutting machine according to a first embodiment of the present invention.

1 to 4, FIG. 6 is a schematic view of a composite rotary cutting machine according to a second embodiment of the present invention.

Fig. 7 and Fig. 9 are schematic views of a composite rotary cutting machine according to a third embodiment of the present invention.

Fig. 8 and Fig. 10 are schematic views of a composite rotary cutting machine according to a fourth embodiment of the present invention.

detailed description:

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of the composite rotary cutting machine of the present invention will be described in detail with reference to the accompanying drawings. In Embodiments 1 - 4, a cylinder or a pick holder is integrally provided inside the picking seat of the composite drill or the composite drum. The cylinder is arranged to push the piston in the cylinder through the hydraulic system or the pneumatic system to reciprocate the cutter through the transmission device. The method of impacting the coal increases the lump coal rate, reduces the loss of the pick, improves the coal mining efficiency and reduces Mining costs.

Embodiment 1:

A composite rotary cutting mining machine, as shown in FIG. 1 to FIG. 5, a composite rotary cutting mining machine according to a first embodiment of the present invention, the composite rotary cutting coal mining machine of the present invention is hydraulically driven as shown in FIG. 5. The high-pressure fluid is introduced into the head of the roadheader and the reciprocating impact device 59 is disposed. The reciprocating impact device 59 is disposed on the head of the roadheader as shown in FIG. 3 and FIG. 4;

The pick-up seat 55 is integrally or integrally formed on the outer circumference of the shearer or the heading section of the roadheader, and the cylinder block 27 is integrally coupled to the cutter seat 55 (hereinafter, the pick-up cylinder 27 and the other cylinders) Body distinction);

The handle of the pick is provided with a dust jacket 90 and a dustproof spring 89;

A hydraulic power cylinder 14 is disposed in the cutting unit of the mining machine. The hydraulic power cylinder 14 includes a cylinder bottom 33, a hydraulic valve 52, a cylinder block 14, a piston seal ring 36, a guide ring 37, a buffer sleeve 38, and a hydraulic power cylinder. Body 14, hydraulic power piston 45, connecting rod 40, sealing ring 48, throttle valve 39 (shown in Figure 3), guide sleeve 49, connecting sealing ring 50, positioning sleeve 53, connecting rod sealing ring 50, dust ring 52 , cylinder head 48, retaining ring 47, piston seal 46, hydraulic power piston 45, intermediate guide ring 44, piston connecting rod seal ring 43, buffer sleeve 42, fastening screw 41; A push-in and out port, B return An oil inlet and outlet port (shown in FIG. 5); or a cylinder liner disposed inside the cylinder; the guide sleeve 29 disposed inside the cylinder body is rotatable.

The hydraulic power cylinder 14 is provided with a hydraulic power piston 45. The air pressure piston 25 is provided with a connecting rod 40. The connecting rod 40 is disposed in the guiding sleeve, and the other end of the connecting rod 40 is provided with a reciprocating compressed air piston 25, which is a pneumatic piston 25 The front end is provided with a power chamber, and the power chamber is connected to the fluid inlet and outlet 87 of the high and low pressure circulation chamber 88 of the pick-up cylinder 27 via a pipe;

A pick-up cylinder 27 is disposed in the pick-up seat of the cutting machine drum, and a high-low pressure circulation chamber 88 is disposed in the rear portion of the impact piston 26 in the pick-up cylinder 27, and the high-low pressure circulation chamber 88 has a certain The frequency high and low pressure cyclically changing fluid pushes the impact piston 26 in the pick-up cylinder 27 to reciprocate at a certain frequency along its axial direction, and the impact piston 26 passes through the high-pressure fluid discharge cylinder in the high-low pressure circulation chamber 88 at the impact stroke positioning hole E. The impact force of the high pressure fluid in the high and low pressure circulation chamber 88 is reduced in vitro, the impact force of the impact piston 26 is reduced, and the impact piston 26 is subjected to the restriction of the high pressure fluid through the limit ventilation hole F to rush the effective impact force to the impact hammer. At 28, at the same time, the effective distance between the limiting air vent F and the guide sleeve 29 causes the impact piston 26 to pass over the limit venting hole F when approaching the guide sleeve 29 to generate a high pressure compressed gas to prevent and avoid the impact of the impact piston 26 and the guide sleeve 29. The impact piston 26 pushes the impact hammer 28 to reciprocate at a certain frequency along its axial direction. The impact hammer 28 is disposed in the guide sleeve 29, and the guide sleeve 29 is positioned by the stroke positioning body 80. The stroke positioning body 80 is positioned by the positioning cover 81. In the tooth cylinder 27, the impact hammer 28 is punched The groove 18 and the impact positioning body 19 cooperate with the shank end rear impact shank of the shank 31 for positioning the impact special pick 32, and the special pick 32 reciprocates along the axial direction thereof at a certain frequency; the positioning sleeve 53 and the guide sleeve 29 Setting an undercut 83;

The positioning sleeve 84 disposed at the front end of the picking cylinder 27 and the positioning base of the picking seat is provided with a retracting rod 86. The retracting rod 86 is pressed against the positioning sleeve 53 by the retracting fork, and the positioning body 30 is retracted into the retreating slot 83. , the impact special pick 32 can be taken out, the hole of the positioning sleeve 84 is provided with a dust seal 85, and the dust removal spring 89 and the dust jacket 90 are disposed between the pick head 61 of the pick 32 and the cylinder 27;

A positioning sleeve 53 is disposed on the inner side of the front end of the pick-up cylinder block 27. A spring 35 is disposed between the positioning sleeve 53 and the pick-up cylinder block 27. The impact sleeve 32 is provided in the positioning sleeve 53, and the impact special pick 32 is fixed by the positioning slot. The positioning body of the sleeve 53 is coupled together, and the impact special pick 32 is provided with a picking handle moving groove 20; the inner side of the front end of the picking cylinder 27 is provided with a positioning sleeve 53, and the guiding sleeve 29 is provided with a pick 32, The tooth 32 moves the groove 20 through the pick handle provided on the pick handle 31, and the positioning body 30 is positioned and coupled with the positioning sleeve 53.

The impact piston 26, the impact hammer 28 and the pick are disposed in the pick cylinder 27;

The tail end of the cylinder 27 disposed inside the pick-tooth 55 is provided with a clamping groove 91, and the pick-up cylinder 27 is positioned and coupled to the pick-tooth 55 via a spring clip 92.

According to the above structure, since the hydraulic power cylinder, the hydraulic power cylinder 14, the hydraulic power piston 45, the connecting rod drives the positioning sleeve 53, the positioning sleeve 53 and the pick 32 form a reciprocating impact motion, and a double drill bit is arranged on the mining machine or The structure of the double drum has higher efficiency and will not be described here.

Embodiment 2:

A composite rotary cutting mining machine, as shown in FIG. 1 to FIG. 4 and FIG. 6 , a composite rotary cutting mining machine according to a second embodiment of the present invention, based on the first embodiment, the composite spinning of the present invention The shearer is cut by a pneumatic transmission as shown in FIG. 6 to generate a high-pressure fluid introduced into the reciprocating impact device 59 provided on the head of the roadheader or the externally supplied high-pressure fluid is directly connected to the reciprocating impact device 59. The reciprocating impact device 59 provided on the head of the shearer or the head of the roadheader is shown in FIG. 3 and FIG. 4; the cutting part 7 of the shearer or the head of the roadheader of the composite rotary cutting machine of the present invention; coal mining The reciprocating impact device 59 is arranged at different positions on the machine head or the head of the roadheader as shown in FIG. 1 and FIG. 2;

The handle of the pick is provided with a dust jacket 97 and a dustproof spring 99;

The cutting portion is provided with a pneumatic power cylinder 14 as shown in FIG. 6. The pneumatic power cylinder 14 includes a cylinder bottom 22, a pneumatic valve 10, a pneumatic power cylinder 14, a pneumatic piston 13, a piston rod 15, and a sealing ring 17, Air supply valve 10, exhaust valve 16, guide sleeve 49, connection seal ring, link seal ring, dust seal 24, pneumatic cylinder head 23, pneumatic piston 13, buffer tank, buffer plunger 12, plunger seal 11 ; C air supply port, D exhaust port;

A cylinder liner is disposed inside the cylinder; the guide sleeve 29 disposed on the inner side of the cutting cylinder can be rotated. A pneumatic piston 13 is disposed at a rear end of the pneumatic power cylinder 14 . The pneumatic piston 13 is coupled to the compression piston 25 via a pneumatic piston rod 15 . The front end of the compression piston 25 is provided with a power chamber, and the power chamber passes through the pipe and the cutting cylinder 27 . The inlet and outlet 87 of the high and low pressure circulation chamber 88 are connected;

A pick-up cylinder 27 is disposed in the pick-up seat of the cutting machine cutting section drum. The rear part of the impact piston 26 in the pick-up cylinder block 27 has a high-low pressure circulation chamber 88, and the high-low pressure circulation chamber 88 has a certain The frequency high and low pressure cyclically changing fluid pushes the impact piston 26 in the pick-up cylinder 27 to reciprocate at a certain frequency along its axial direction, and the impact piston 26 passes through the high-pressure fluid discharge cylinder in the high-low pressure circulation chamber 88 at the impact stroke positioning hole E. The impact force of the high pressure fluid in the high and low pressure circulation chamber 88 is reduced in vitro, the impact force of the impact piston 26 is reduced, and the impact piston 26 is subjected to the restriction of the high pressure fluid through the limit ventilation hole F to rush the effective impact force to the impact hammer. 28 At the same time, the effective distance between the limiting air vent F and the guide sleeve 29 causes the impact piston 26 to generate a high-pressure compressed gas to prevent and avoid the impact of the impact piston 26 and the guide sleeve 29 when the impact venting hole F is close to the guide sleeve 29. The impact piston 26 pushes the impact hammer 28 to reciprocate at a certain frequency along its axial direction. The impact hammer 28 is disposed in the guide sleeve 29, and the guide sleeve 29 is positioned by the stroke positioning body 80. The stroke positioning body 80 is positioned at the pick by the positioning cover 81. In the cylinder block 27, the impact hammer 28 is fitted with the impact groove 18 and the impact positioning body 19 to position the rear end of the shank end of the pick handle 31 of the special impact pick 32, and the special pick 32 reciprocates at a certain frequency along its axial direction. Between the positioning sleeve 53 and the guide sleeve 29 is provided an undercut groove 83;

The high and low pressure circulation chamber 88 pushes the impact piston 26 in the cylinder inside the pick holder to reciprocate along the axial direction thereof at a certain frequency, and the impact piston 26 is ventilated by the venting hole F to push the impact hammer 28 along the axial direction thereof. The frequency reciprocates and the impact hammer 28 picks 31 are conducted to the pick 32 to produce the effect of the pick 32.

According to the above configuration, since the pick-up cylinder is provided, the impact piston 26 drives the positioning sleeve 53 and the pick 32 to form the cutting portion 7 that reciprocates at a certain frequency in the axial direction thereof, in the form of a double drill or a double drum. Shearer or roadheader settings can achieve higher efficiency and will not be described here.

Embodiment 3:

A composite rotary cutting mining machine, as shown in FIG. 7 and FIG. 9 , a composite rotary cutting mining machine according to a first embodiment of the present invention, a composite rotary cutting mining machine head of the present invention is a composite drill or composite roller 7. The inner side of the shearer or roadheader main unit 1 is provided with a main shaft 2, and the power output shaft end 5 of the main shaft 2 is fixedly coupled with the connecting disc 4 of the composite drill or the composite drum 7, and the power output shaft end 5 and the main body 1 are The housing 3 is cooperatively arranged; an externally connected high-pressure liquid pipe is provided on the shearer or the roadheader integrally or on the inner side of the main shaft 2; the reciprocating device 59 with the hydraulic power unit and the implementation on the shearer or the roadheader Way, as shown in Figure 7, Figure 9;

The shearer or the boring machine compound drill bit or the composite drum is fixedly coupled with the power take-off shaft end 5 of the shearer or the roadheader 2 and the composite drill bit of the shearer or the head of the roadheader or the lands 4 of the composite drum; The liquid pipe is integrated or connected in the power output shaft - the shearer or the roadheader 2, and the high pressure liquid pipe is connected through the main shaft 2 and the power output shaft end 5 and the connecting plate 4; through the power fluid circulation system 98 provides high pressure fluid and dust removal water;

The front end center of the mining machine composite drill or the composite drum 7 in the traveling direction or the outer peripheral edge of the composite drill or composite drum 7 is integrally or coupled and integrally formed with a pick holder 55, and the hydraulic pressure is positioned and coupled in the pick holder 55 The power cylinder 14 in which the sun gear is disposed inside the composite drill bit or the composite drum 7 , and the shifting mechanism 56 such as the planetary gear is a well-known technique and will not be described herein;

The front end of the pick holder 55 is provided with a protective cover 57, the cover 57 and the handle of the pick are provided with a dust seal 97 and a dustproof spring 99;

The hydraulic power cylinder includes a cylinder bottom 33, a hydraulic valve 52, a cylinder block 14, a piston seal ring 36, a guide ring 37, a buffer sleeve 38, a hydraulic power cylinder block 14, a hydraulic power piston 45, a connecting rod 40, a seal ring 48, and a section. Flow valve 39 (shown in Figure 3), guide sleeve 49, connection seal ring 50, positioning sleeve 53, link seal ring 50, dust seal 52, cylinder head 48, retaining ring 47, piston seal 46, hydraulic power piston 45, intermediate guide ring 44, piston link seal ring 43, buffer sleeve 42, fastening screw 41, positioning sleeve 53, pick handle 31, The pick-up head 61, the pick-up seat seal ring; the A push-in port, the B-return inlet and outlet port (shown in FIG. 3); the cylinder head 48 is divided into two parts by the center of the connecting rod 40 slot. The setting of the screw positioning connection.

A cylinder liner is disposed inside the cylinder body integrally provided with the cylinder or the cutter seat provided in the pick-up seat of the composite drill or the composite drum.

The guide sleeve 29 provided on the inner side of the front end of the cylinder or the pick-up seat of the composite drill or the pick-up seat of the composite drum can be rotated.

The high pressure liquid connection port 15 is provided with a high pressure branch pipe, and the high pressure branch pipe is connected with the air supply port of the hydraulic power cylinder block 14; the mining machine compound drill bit or the composite drum is provided with at least one or more high pressure pipe and high pressure liquid pipe The hydraulic power cylinder 14 is provided with a liquid supply port and a liquid return port; the hydraulic power cylinder 14 is provided with a hydraulic power piston 45, and the pressure piston 25 is provided with a connecting rod 40, and the connecting rod 40 is disposed In the guide sleeve, the other end of the connecting rod 40 is provided with a compression piston 25; or the compression piston 25 pushes the impact piston 26 through the high-pressure airflow, and the impact piston 26 moves through the ventilation holes E and F to push the impact hammer 28 to move, the impact hammer 28, through the impact groove 18 and the impact positioning body 19, the rear end of the shank end of the special impact tooth 32 is positioned; the impact piston 26 or the impact hammer 28 is disposed in cooperation with the positioning sleeve 53; the positioning sleeve is disposed on the inner side of the front end of the hydraulic power cylinder 14 A spring 35 is disposed between the positioning sleeve 53 and the hydraulic power cylinder 14. The inner side of the positioning sleeve 53 is provided with a flat hole 14. The positioning sleeve 53 is provided with an impact special pick 32, and the impact special pick 32 is positioned through the positioning slot. The positioning body of the sleeve 53 is coupled together, and the impact special pick 32 is provided with an impact positioning guide groove 20; the inner side of the front end of the hydraulic power cylinder 14 is provided with a positioning sleeve 53, and the positioning sleeve 53 is provided with a pick 32, a pick The positioning body 30 and the positioning sleeve 53 are positioned and coupled together via the picking handle 20 provided on the pick handle 31.

The compression piston 25, the impact piston 26 and the impact hammer 28 are in the compression chamber 27;

A hydraulic power piston 45 is disposed at a rear end of the hydraulic power cylinder 14 disposed in the pick-up machine 55 of the composite drill or the composite drum 7 , and the hydraulic power piston 45 is coupled to the compressor piston 25 via the connecting rod 40 . The compressor piston 25 pushes the impact piston 26 against the impact hammer 28 by the high pressure airflow, and the impact hammer 28 intercepts the shank 31 and conducts it to the pick 32 to produce the effect of the pick 32;

The cylinders at the impact pistons provided at the front end of the pneumatic power cylinder of the composite drill or the composite drum of the mining machine are provided with matching ventilation holes G, E, and F.

The composite drill bit of the mining machine device or the high-pressure fluid pipeline disposed in the composite drum 7 is connected by means of an inner and outer casing; the hydraulic pipeline of the inner and outer casing and the high-pressure fluid pipeline of the cylinder coupling end of the cutter holder 55 A rotatable seal or a rotatable seal and a bearing are positioned between the split chambers via spring clips.

The high-pressure fluid pipeline connected to the other end of the composite drill bit of the mining machine device or the composite drum 7 is connected by an inner and outer casing; the hydraulic pipeline of the inner and outer casings and the cylinder coupling end of the cutter holder 55 A rotatable seal or a rotatable seal ring and a bearing are positioned between the split chambers of the high pressure fluid line via the spring clip.

The composite drill bit or the composite drum 7 is provided with at least one or a plurality of pick holders 55; at least one or more hydraulic power cylinders 14 are positioned and coupled in the pick holder 55; the high pressure liquid connection port is provided with a high pressure point a pipe 54, a high pressure pipe 54 is connected to the hydraulic port of the hydraulic power cylinder 14 via a hydraulic reversing valve;

At least one or more high-pressure liquid connection ports are disposed on the high-pressure liquid output end; a high-pressure liquid pipe 54 is disposed on the high-pressure liquid connection port, and two ends of the high-pressure liquid pipe 54 are respectively connected with the liquid supply port and the high-pressure liquid connection port of the hydraulic power cylinder body 14 Together

The liquid return pipe is integrally or coupled with the power output shaft, and the liquid return pipe 31 is spaced apart from the inner cavity of the high pressure liquid output end 16 of the high pressure liquid pipe; the liquid return pipe is provided with at least one or more liquid return pipes. The connection port; the liquid return pipe 31 is respectively connected with the cylinder liquid return port and the liquid return connection port; the hydraulic power piston 45 moves in the hydraulic power cylinder body 14, and the hydraulic power piston 45 is provided with a connecting rod 40, and the connecting rod 40 Coupling with the compressor piston 25; at least one or more high pressure liquid connection ports 15 are provided on the high pressure gas output end 6 or the connecting pipe shaft;

The cylinder body is provided with a touch-type fluid valve 21; the touch-type fluid valve 21 is positioned by a spring through a contact bar, and the pick-up contacts the coal seam and is pressed by the positioning sleeve at the front end of the cylinder to push the adjustment rod to move. The rod pulls open the plunger valve. The high pressure fluid communication in the fluid line pushes the piston 45 forward. The piston 45 pushes the compression piston 25 through the connecting rod 40. The pressure piston 25 pushes the impact piston 26 through the high pressure airflow, and the compression piston 25 completes the impact piston. After the pushing work of 26, the intermediate air vent E discharges the high pressure gas, the impact piston 26 is rushed toward the impact hammer 28 by the impact of the compressed air piston 25, and the vent hole F is provided at the front end of the impact hammer 28 to impact between the piston 26 and the impact hammer 28. There is no blocked high-pressure fluid, and the tail end of the impact hammer 28 picks the handle 60, and the pick forms an impact motion. The fluid in the cylinder passes through the reversing valve to push the piston backwards. The piston is pulled back through the connecting rod. 25, the rear end cylinder of the compressor piston 25 is provided with a ventilation hole G to discharge the high pressure gas generated by the return stroke of the compression piston 25, and the pick completes the impact by the impact of the coal seam to form a backward thrust to push the impact hammer 28, and the impact hammer 28 pushes the impact. live The plug 26, the impact piston 26 is rushed backward toward the compression piston 25, and the high pressure airflow is formed by the impact piston 26 and the compression piston 25 forming a relatively closed space near the rear end, thereby effectively protecting the damage caused by the direct impact of the impact piston 26 and the piston. .

According to the above configuration, since the hydraulic power cylinder 14 is provided in the composite drill or the composite drum, a punch or a punch is provided at a certain position on the other side of the pneumatic piston 13, and the punch or the punch is provided in cooperation with the impact positioning sleeve 53, The outer side of the positioning sleeve 53 is provided with a spring, and the positioning sleeve 53 is provided with a pick 32, and the high-pressure liquid is connected to the outside of the composite drill or the composite drum to power the hydraulic power cylinder 14, simplifying the structure of the composite drill or the composite drum 7. The utility model has the advantages of improving the working efficiency and greatly reducing the power consumption, and the water spray device having the same or similar or other manner as the ordinary mining machine can play a safety protection function, and details are not described herein again.

According to the above structure, it is possible to provide a safety protection function by providing a water spray device of the same or similar or other manners as the conventional mining machine in the composite drill bit or the composite drum, and details are not described herein again.

According to the above structure, since the hydraulic power cylinder, the hydraulic power cylinder 14, the hydraulic power piston 45, the connecting rod drives the positioning sleeve 53, the positioning sleeve 53 and the pick 32 form a composite drill or composite drum 7 for reciprocating impact movement, The mining machine with double or double drum structure in the mining machine has higher efficiency and will not be described here.

Embodiment 4:

A composite rotary cutting mining machine, as shown in FIG. 8 and FIG. 10, the second embodiment of the present invention In the rotary cutting machine, on the basis of the first embodiment, the composite drill bit or the composite drum 7 of the composite rotary cutting machine head of the present invention, the inner side of the shearer or the roadheader main unit 1 is provided with a spindle 2, The power output shaft end 5 of the main shaft 2 is fixedly coupled with the lands 4 of the composite drill or the composite drum 7, and the power output shaft end 5 is fitted with the housing 3 of the main body 1; the reciprocating device 59 with pneumatic power device and The embodiment on the shearer or roadheader is shown in Figure 8 and Figure 10;

The front end center of the mining machine composite drill or the composite drum 7 in the traveling direction or the outer peripheral edge of the composite drill or composite drum 7 is integrally or coupled and integrally formed with a pick holder 55, and the air pressure is positioned and coupled in the pick holder 55 Power cylinder 14;

At least one or more pick seats 55 are disposed on the outer circumference or the front end of the composite drill or composite drum 7. The hydraulic power cylinder 14 is disposed in the pick seat 55, and the front end of the pick holder 55 is provided with a protective cover 57. The cover 57 and the handle of the pick are provided with a dust seal 97 and a dustproof spring 99;

The pneumatic power cylinder comprises a cylinder bottom 22, a pneumatic valve 10, a pneumatic power cylinder 14, a pneumatic piston 13, a piston rod 15, a sealing ring 17, an air supply valve 10, an exhaust valve 16, a guide sleeve 49, and a connecting seal ring. , connecting rod sealing ring, dust ring 24, pneumatic cylinder head 23, pneumatic piston 13, buffer tank, buffer plunger 12, plunger sealing ring 11; C air supply port, D exhaust port;

The pneumatic cylinder head 23 is disposed by means of screw positioning by means of splitting the center of the connecting rod 40 into two parts.

The high pressure gas pipe is integrally or disposed on the inner side of the main shaft 2 on the mining machine; at least one or more pick seats 55 are disposed on the outer periphery of the composite drill bit or the composite drum 7; the high pressure gas pipe is connected to the excavator main shaft 2 for excavation The composite drill bit or the composite drum of the front end of the excavation work of the machine equipment; the composite drill bit or the composite drum of the mining machine is fixedly coupled with the power output shaft end 5 of the mining machine main shaft 2 and the composite drill bit of the mining machine main body or the connecting disc 4 of the composite drum ;

At least one or more pick seats 55 are disposed on the outer circumference of the composite drill or composite drum 7; at least one or more pneumatic power cylinders are disposed in the pick holder 55; the pneumatic power cylinder is composed of the pneumatic power cylinder 14 The pneumatic power cylinder 14 is provided with a gas supply port C and an exhaust port D. The pneumatic power cylinder 14 is provided with a pneumatic piston 13 and the like. The high pressure gas connection port 8 is provided with a high pressure pipe, a high pressure pipe and a pneumatic power cylinder. The air supply ports 39 of the 14 are connected together; the high-pressure pipe is integrated or connected in the power output shaft-the mining machine main shaft 2, and the high-pressure air pipe is connected through the main shaft 2 and the power output shaft end 5; or the connecting plate 4 and The high-pressure gas output end 6 is integrally arranged; a sealing device 48 is disposed between the main shaft and the high-pressure air pipe;

The power output shaft end 5 disposed on the composite drill bit or the composite drum of the mining machine is fixedly coupled with the high-pressure gas output end 6 , and the high-pressure gas output end 6 is fixedly coupled with the mining machine main shaft 2, and the high-pressure gas output is The end 6 is disposed in the composite drill bit or the composite drum, or the high-pressure gas output end 6 is fixedly coupled with the composite drill bit of the shearer or the roadheader or the front end cover 9 of the composite drum via the connecting pipe shaft;

At least one or more high-pressure gas connection ports 8 are disposed on the high-pressure gas output end 6 or the connecting pipe shaft; the high-pressure gas connection port 8 is provided with a high-pressure branch pipe, and the other end of the high-pressure pipe is connected with a pneumatic valve (not shown) and pneumatic power The air supply ports 39 of the cylinder block 14 are connected together;

The mining machine composite drill bit or the composite drum is provided with at least one or more high pressure manifolds and high a pneumatic power cylinder 14 connected to the air pipe; the pneumatic power cylinder 14 is provided with an air supply port C and an exhaust port D;

The high pressure fluid line 54 to which the high pressure fluid line 54 is coupled to the pneumatic power cylinder 14 disposed in the picking seat 55 of the composite drill bit or the composite drum 7 includes at least one or more pneumatic lines 54.

a cylinder liner disposed inside the cylinder body or the cutter base provided in the pick-up machine of the mining machine or the pick-up seat of the composite drum; a cylinder sleeve of the composite drill bit or the composite drum of the mining machine equipment; The inner sleeve or the guide sleeve 29 provided on the inner side of the cylinder integrally provided with the cutter holder is rotatable. The inner side of the front end of the pneumatic power cylinder 14 is provided with a positioning sleeve 53. The positioning sleeve 53 is provided with a pick 32. The pick 32 is moved by the pick handle 20 provided on the pick handle 31, and the positioning body 30 and the positioning sleeve 53 are positioned. Connected together.

The piston rod 15 generates a high-pressure airflow through the compression piston 25, and the high-pressure airflow acts on the impact piston 26, and the impact piston 26 is pressed and impacted by the intake and exhaust of the ventilation holes E, F at different positions, and the impact hammer 28 In the compression chamber 27, the end of the pick handle 31 produces an impact, the pick handle moves the slot 20, the pick 61;

The pneumatic drill piston 13 is disposed at the inner end of the pneumatic power cylinder 14 disposed in the pick-up machine 55 of the composite drill or the composite drum 7 , and the pneumatic piston 13 is coupled to the compressed piston 25 via the pneumatic piston rod 15 to compress the air. The piston 25 pushes the impact piston 26 against the impact hammer 28 by the high pressure air flow, and the impact hammer 28 picks 31 are transmitted to the pick 32 to produce the effect of the pick 32.

The cylinder of the impact piston provided in the front end of the pneumatic power cylinder of the composite drill or the composite drum of the mining machine is provided with ventilation holes G, E, and F which are matched with each other.

The pneumatic power cylinder 14 is provided with a pneumatic piston 13 , the pneumatic piston 13 is provided with a connecting rod, and the connecting rod is disposed in the guiding sleeve; or one side of the pneumatic piston 13 is provided with a punch or a punch through the connecting rod, and is punched The head or the punch is arranged in cooperation with the pick sleeve; or one side of the pneumatic piston 13 is provided with a spring, a spring, and a punch and a pick sleeve;

The cylinder body 14 is provided with a touch-type fluid valve 21; the touch-type fluid valve 21 is positioned by a spring via a contact bar, and the pick-up contacts the coal seam and is pressed to move the adjusting rod through the positioning sleeve at the front end of the cylinder 14 The adjusting rod pulls open the plunger valve. The high-pressure fluid communication in the fluid line pushes the pneumatic piston 13 forward, and the pneumatic piston 13 pushes the pressing piston 25 through the piston rod 15, and the compressed piston 25 pushes the impact piston 26 through the high-pressure airflow, and the compressed piston 25 After the pushing work of the impact piston 26 is completed, after the intermediate air vent E discharges the high pressure gas, the impact piston 26 is urged by the pressure piston 25 toward the impact hammer 28, and the vent hole F is provided at the front end of the impact hammer 28 to impact the piston 26 and There is no blocked high-pressure fluid between the impact hammers 28, and the tail end of the impact hammer 28 picks the handle 60, the picks form an impact motion, and the fluid in the cylinder 14 is urged by the reversing valve to push the piston backward. The rod pulls back the compression piston 25, and the rear end cylinder 14 of the compression piston 25 is provided with a ventilation hole G to discharge the high pressure gas generated by the return stroke of the compression piston 25. The pick completes the impact and is impacted by the coal seam to form a backward thrust to push the impact hammer 28 Punch The hammer 28 pushes the impact piston 26, and the impact piston 26 is urged backward toward the compression piston 25. Since the impact piston 26 and the compression piston 25 form a relatively closed space near the rear end to form a high-pressure airflow, the impact piston 26 and the piston can be effectively protected. The destructive effect of the impact.

According to the above structure, since the pneumatic power cylinder 14 is provided in the composite drill or the composite drum, the air pressure is live A punch or a punch is disposed on the other side of the plug 13 via a connecting rod. The punch or the punch is disposed in cooperation with the positioning sleeve 53. The outer side of the positioning sleeve 53 is provided with a spring, and the positioning sleeve 53 is provided with a pick 32. And the positioning sleeve 53 drives the pick 32, which improves the efficiency and prolongs the service life by means of high frequency impact, and provides power to the pneumatic power cylinder 14 through the high pressure gas of the composite drill or the composite drum, simplifying the compounding. The structure of the drill bit or the composite drum 7 improves the working efficiency and greatly reduces the power consumption. The water spray device of the same or similar or other manner as the ordinary mining machine can play a safety protection function, and will not be described herein.

According to the above structure, since the pneumatic power cylinder, the pneumatic power cylinder 14, the pneumatic piston 13, the connecting rod driving the positioning sleeve 53 and the pick 32 form a composite drill or composite drum 7 for reciprocating impact movement, in the mining machine spindle 2 The provision of a coaxial composite drill bit or composite drum 7 at each end of the same also achieves a higher efficiency than the double-drill or double-drum mining machine, and will not be described herein.

According to the above structure, since the pneumatic power cylinder is provided, the cylinder 14 of the pneumatic power cylinder, the piston 13, the connecting rod drives the positioning sleeve 53, the positioning sleeve 53 and the pick form a composite drill or composite drum 7 for reciprocating impact movement, The provision of a coaxial composite drill bit or composite drum 7 at each end of the mining machine main shaft 52 also achieves a higher efficiency than the double-drill or double-drum mining machine, and will not be described herein.

According to the above configuration, the pick-up cylinder 27 is provided in the pick-up seat of the cutter of the mining machine, and the cylinder 27, the impact piston 26, the impact hammer 28, and the impact pick 32 are provided on the pick-tooth 55. A reciprocating impact pick 32 is formed.

The hydraulic power cylinder 14 or the pneumatic power cylinder 14 respectively generates a high-low pressure cyclically varying fluid through the inlet and outlet 87 of the high and low pressure circulation chamber 88 of the pipe and the cutting cylinder 27, and the fluid is pushed by the high and low pressure fluid to push the impact piston 26 . The reciprocating motion at a certain frequency along its axial direction has been described as an example. The present invention can also use a reversing valve to change the movement mode of the fluid to achieve a high and low pressure change. The fluid pushes the impact piston 26 to reciprocate at a certain frequency along its axial direction. Carry out implementation.

Although the cylinder 27 is provided in the cutting seat of the cutting part of the mining machine, the hydraulic cylinder or the pneumatic cylinder is arranged in the drum or the cutter of the mining machine, and the hydraulic piston 45 or the pneumatic piston 13 and the hydraulic piston connecting rod are provided. 40 or a pneumatic piston connecting rod, the reciprocating motion of the compressed air piston 25 generates a high and low pressure cyclically varying air flow which is connected through a pipe into the high and low pressure circulating chamber of the picking cylinder 27 to urge the impact piston 26 to reciprocate at a certain frequency along its axial direction. The impact piston 26 pushes the impact hammer 28 to reciprocate at a certain frequency along its axial direction, and the hammer 28 pushes the reciprocating impact movement of the pick 32 along its axial direction at a certain frequency as an example, but the power-driven impact of the present invention The pick can also be implemented by adding a rotating device and a speed increasing device, an eccentric reciprocating motion, an electromagnetic vibration expanding manner, and a combination of the foregoing techniques in a more combined manner to implement the present invention, the pick of the present invention. There may be more structural means, and in the above structure, the combination of the embodiments may be set in a more combined manner as in the foregoing technology. The invention is constructed in combination with any other form.

The composite rotary cutting machine of the present invention may also have more structural means, and the structure of the above-described embodiment and any other combination of forms may be included in the above-described structure.

Claims

A compound rotary cutting mining machine, relating to a coal mining machine boring machine,

The cutting portion of the composite rotary cutting machine is integrally provided with a picking seat, and the picking seat is provided with a pick that reciprocates at a certain frequency along the axial direction during operation. .
A compound rotary cutting machine for a shearer or a roadheader,

The cutting portion of the composite rotary cutting machine is integrally provided with a cutting seat, and the cutting seat is provided with a cylinder;

The cylinder is provided with a pick that reciprocates at a certain frequency along its axial direction during operation.
A compound rotary cutting machine for a shearer or a roadheader,

The utility model is characterized in that a cutting seat is integrally provided on the cutting portion of the composite rotary cutting machine;

A cylinder is disposed in the at least one or more pick seats, and a piston is disposed in the cylinder, and a rear portion of the inner piston of the cylinder is disposed with a high frequency of high and low pressure changes in a certain frequency during operation. a low pressure circulation chamber; a fluid inlet and outlet is arranged on the high and low pressure circulation chamber;

The high-low pressure circulating chamber of the cylinder body pushes the piston to reciprocate in the cylinder body at a certain frequency along the axial direction with a fluid whose high frequency and low pressure change at a certain frequency;

The piston that reciprocates at a certain frequency along its axial direction pushes the impact hammer provided at the front end to reciprocate in the cylinder body at a certain frequency along its axial direction;

The impact hammer that reciprocates at a certain frequency in its axial direction pushes the integrally provided shank impact end of the pick provided at the front end to reciprocate in the cylinder at a certain frequency in the axial direction thereof.
A compound rotary cutting machine for a shearer or a roadheader,

The cutting portion of the composite rotary cutting machine is integrally provided with a pick holder; the at least one or more pick seats are provided with a cylinder, and the cylinder is provided with a piston The piston moves within the cylinder;

A front end of the piston in the cylinder is provided with a compression piston, a front end of the compression piston is provided with an impact piston, and a front end of the impact piston is provided with an impact hammer, and a front end of the impact hammer is provided with a pick.
a composite rotary cutting machine according to claims 1-4,

The utility model is characterized in that the pick holder and the cylinder of the composite rotary cutting machine can be integrally provided.
a composite rotary cutting machine according to claims 1-4,

The utility model is characterized in that a high-low pressure circulation chamber is arranged in the cylinder of the composite rotary cutting machine.
a composite rotary cutting machine according to claims 1-3,

The cylinder body provided on the inner side of the cylinder or the pick-tooth housing of the composite rotary cutting machine has a hydraulic power cylinder; and the hydraulic power cylinder is provided with a hydraulic piston.
a composite rotary cutting machine according to claims 1-3,

The cylinder body provided on the inner side of the cylinder or the pick-tooth housing of the composite rotary-cutting mining machine includes a pneumatic power cylinder; and the pneumatic power cylinder is provided with a pneumatic piston.
a composite rotary cutting machine according to claims 1-3,

The utility model is characterized in that: the high pressure valve connected to the cylinder body provided in the pick holder of the composite rotary cutting machine Including at least one or more hydraulic directional valves;

Or the fluid valve coupled to the cylinder provided in the pick bit of the mining machine or the pick-up of the composite drum comprises at least one or more pneumatic directional valves.
a composite rotary cutting machine according to claims 1-3,

The utility model is characterized in that: a cylinder liner is arranged on the inner side of the cylinder body provided in the pick holder of the composite rotary cutting machine;

Or a cylinder liner is disposed on an inner side of the cylinder body integrally provided by the cutting seat of the combined rotary cutting machine.