WO2018040457A1

WO2018040457A1 - Pick having power device of composite rotary cutting excavating machine

Info

Publication number: WO2018040457A1
Application number: PCT/CN2017/000550
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 pick having a power device of a composite rotary cutting excavating machine, disposed in a cylinder (27). An impact piston (26) and an impact hammer (28) are further arranged in the cylinder (27); driven by a fluid changing between high pressure and low pressure at a certain frequency, the impact piston (26), the impact hammer (28) and an impact pick (32) are pushed to reciprocatingly move at a certain frequency in an axial direction thereof to generate an impact power, thereby increasing the service life and work efficiency of an excavating machine or a shield machine, and reducing power consumption and mining costs.

Description

Pick of powered device for composite rotary cutting mining machine

Technical field:

The present invention relates to a pick-up of a power unit of a composite rotary cut mining machine for picking teeth of a mining machine for mining and roadway mining of mining equipment such as mining and drilling rigs.

Background technique:

At present, the mining machine or shield machine drill bit used in coal mining equipment is fixed on the drill bit, and some picks can rotate, but they are not active rotary cutting, thus causing the shearer or roadheader or drilling rig to work. When the resistance is too large, the equipment is damaged, and a large amount of power and material resources are wasted, which increases 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 pick-up of a power unit of a composite rotary cutting mining machine, the pick of the power unit of the composite rotary cutting machine in the original host On the basis of this, only by changing the head of the mining machine or the shield machine and connecting with the host of the existing mining machine or the shield machine, the efficiency is high, the resistance is small, the heat dissipation efficiency is high, the service life is long, the energy saving effect is remarkable, and the mechanical equipment is Destructive power has fallen dramatically.

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

A pick-up device with a power device for a composite rotary cutting machine, relating to various shearers or roadheaders, or cutting sections of the front end of the tunneling work of the shield machine equipment,

The utility model is characterized in that the pick-up of the power unit of the composite rotary cutting machine is arranged in the cylinder;

The pick of the power unit reciprocates at a certain frequency along its axial direction during operation in the cylinder of the pick-up of the power unit.

The cylinder with the power device is provided with an impact piston that reciprocates at a certain frequency along its axial direction during operation; the impact piston reciprocates at a certain frequency along its axial direction during operation to push the impact hammer provided at the front end;

The impact hammer reciprocates at a certain frequency along its axial direction during operation to push the impact shank integrally provided at the trailing end of the impact pick provided at the front end.

The utility model is characterized in that the pick of the power device of the composite rotary cutting machine is provided with a cylinder;

a rear side of the cylinder impacting piston is provided with a high and low pressure circulation chamber in which a fluid changes at a high frequency and a low frequency;

The high and low pressure circulation chamber is provided with a fluid inlet and outlet;

The cylinder with the pick-up of the power device is coupled with the cutter seat integrally provided on the cutting machine or the cutting machine of the roadheader or the shield machine, and is integrally formed;

The fluid in the high and low pressure circulation chamber of the cylinder with the pick-up of the power device pushes the pick of the power unit with a certain frequency of high and low pressure to reciprocate along the axial direction at a certain frequency.

The cylinder body is integrally provided with the composite rotary cutting mining machine cutter seat; the cylinder body is provided with a piston, and the piston moves in the cylinder body;

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, a front end of the impact piston is provided with an impact hammer, and a front end of the impact hammer is provided with an impact pick;

The impact pick includes a pick head and a pick handle;

The handle of the impact pick is provided with a positioning guide groove;

The tail end of the rear side pick shank of the positioning guide groove is integrally provided with an impact shank.

Preferably, the guide sleeve between the pick-up of the power unit and the cylinder is provided with a positioning guide groove, and the outer end is disposed as a positioning guide disposed in cooperation with the guide sleeve on the inner side of the front end of the cylinder.

Preferably, the pick head of the pick of the power unit is integrally or welded and formed to be integrally provided with an alloy head.

Preferably, the handle of the impact pick is provided with stepped shanks of different diameters.

Preferably, the pick-up of the power unit of the composite rotary cutting machine is disposed in the cylinder;

The pick-up cylinder of the power tool of the composite rotary cut mining machine includes a hydraulic piston.

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 pick-up device of the power tool of the composite rotary cutting machine is provided with a stroke positioning hole.

Preferably, a limited-position ventilation hole is arranged on the cylinder of the pick-up of the power tool of the composite rotary cutting machine.

Beneficial effects:

Since the picking tooth is disposed in the cylinder body, the high-pressure liquid or the high-pressure gas pushes the impact piston to reciprocate along the axial direction thereof through the high-low pressure circulating chamber, and the impact piston pushes the impact hammer to reciprocate along the axial direction thereof at a certain frequency, the impact hammer Pushing the reciprocating motion of the pick along its axial direction at a certain frequency produces the impact power, forming the impact pick, improving the working efficiency of the mining machine or the shield machine, reducing the mining cost, and promoting the development of mining or 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 4 are schematic views of the picks of the power unit of the composite rotary cutting machine of the first embodiment of the present invention.

Figure 5 is a view showing the pick of the power unit of the composite rotary cutting mining machine according to the second embodiment of the present invention; intention.

Fig. 6 is a schematic view showing the pick of the power unit of the composite rotary cutting machine of the third embodiment of the present invention.

detailed description:

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of a pick-up of a power unit of a composite rotary cutting machine of the present invention will be described in detail with reference to the accompanying drawings. In Embodiments 1-3, the picks and picks provided on the cutting portion of the mining machine are mainly described. The power unit is added to form an impact pick, which improves the working efficiency of the mining machine or the shield machine and the service life of the pick.

Embodiment 1:

A pick-up of a power unit of a composite rotary cutting machine, as shown in FIG. 1 to FIG. 4, the pick of the power unit of the composite rotary cutting machine of the first embodiment of the present invention, the present invention The pick-up of the power device of the composite rotary cutting machine is arranged on the cutting part of the impact cutting mining machine or the shield machine;

1 is a straight shank pick, FIG. 2 is a step shank pick, FIG. 3 is a fluid inlet and outlet downward setting, and FIG. 4 is a fluid inlet and outlet rearward and a rear end is provided with a pipe groove, a cylinder with a power unit The rear portion of the impact piston 26 in the body 27 is provided with a high and low pressure circulation chamber 88. The high and low pressure circulation chamber 88 is provided with a fluid inlet and outlet 87. The high pressure and low pressure circulation chamber 88 is fluidly driven by a high frequency and low pressure cycle at a certain frequency. The impact piston 26 in the cylinder block 27 reciprocates at a certain frequency along its axial direction, and the impact piston 26 is ventilated by the venting hole F to push the impact hammer 28 to reciprocate along the axial direction thereof at a certain frequency, and the impact hammer 28 is set. In the guide sleeve 29, the guide sleeve 29 is positioned by the stroke positioning body 80, and the stroke positioning body 80 is positioned in the cylinder block 27 with the power device via the positioning cover 81, and the impact hammer 28 is positioned and positioned by the impact groove 18 and the impact positioning body 19. The rear end of the shank end of the pick handle 31 of the impact special pick 32, the special pick 32 reciprocates along the axial direction thereof; and the undercut groove 83 is disposed between the positioning sleeve 53 and the guide sleeve 29;

The positioning sleeve 84 disposed at the front end of the cylinder 27 of the pick-up power unit and the positioning base of the pick-up 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 retreats and retreats. In the sipe 83, the impact special pick 32 can be taken out, the dust hole 85 is arranged in the hole of the positioning sleeve 84, the dust removing spring 89 is arranged between the picking head 61 of the pick 32 and the cylinder 27 with the power unit. Dust cover 90;

A positioning sleeve 53 is disposed on the inner side of the front end of the cylinder block 27 with the power unit, and an undercut groove 83 is disposed on the positioning sleeve 53. A spring 35 is disposed between the positioning sleeve 53 and the cylinder block 27 with the power unit, and a guide sleeve is disposed in the positioning sleeve 53. 29 is positioned and coupled via the positioning body 30, and the impact special pick 32 is coupled with the positioning body of the positioning sleeve 53 via the positioning groove, and the impact special pick 32 is provided with the pick handle moving groove 20; the front end of the cylinder 27 with the power device The inner side is provided with a positioning sleeve 53. The guiding sleeve 29 is provided with a picking tooth 32. The picking tooth 32 moves the groove 20 through the picking handle provided on the picking handle 31, and the positioning body 30 and the positioning sleeve 53 are positioned and coupled together.

The impact piston 26, the impact hammer 28 and the pick 32 are disposed in the cylinder 27 with the power unit;

The cylinder 14 of the impact piston provided in the front end of the pneumatic power cylinder of the composite drill or the shield drum of the mining machine or the shield drum is provided with a ventilation hole F.

A positioning sleeve 53 is disposed on the inner side of the front end of the cylinder block 14. The positioning sleeve 53 is provided with an impact pick 32. The impact pick 32 is moved by the pick handle 20 disposed on the pick handle 31, and the positioning body 30 and the positioning sleeve 53 are positioned. Connected together.

The pressure impact piston 26 and the impact impact hammer 28 are in the cylinder 27 with the power unit;

The cylinder block 27 of the pick-up machine or the cutting machine drum of the cutting machine is provided with a pick-up power unit, and the rear part of the impact piston 26 in the cylinder 27 of the pick-up power unit has a high and low pressure cycle. In the chamber 88, the high-low pressure circulating chamber 88 changes the high-low pressure circulating fluid at a certain frequency to push the impact piston 26 in the cylinder 27 of the pick-up power unit to reciprocate along the axial direction thereof at a certain frequency, and the impact piston 26 is impacted. The high pressure fluid in the high and low pressure circulation chamber 88 at the stroke positioning hole E reduces the impact force of the high pressure fluid in the high and low pressure circulation chamber 88, the impact force of the impact piston 26 is reduced, and the impact piston 26 is ventilated by the limit. The hole F excludes the resistance of the high pressure fluid and rushes the effective impact force to the impact hammer 28, and the effective distance between the limit venting hole F and the guide sleeve 29 causes the impact piston 26 to pass over the limit venting hole F close to the guide sleeve 29. The high pressure compressed gas prevents and avoids the impact of the impact piston 26 and the guide sleeve 29, and 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 stroked. Positioning body 80 positioning, stroke positioning The body 80 is positioned in the cylinder 27 of the pick-up power unit via the positioning cover 81, and the impact hammer 28 is fitted through the impact groove 18 and the impact positioning body 19 to position the rear end of the shank end 31 of the pick handle 31 of the impact special pick 32. The special pick 32 reciprocates along a certain frequency in its axial direction; an undercut groove 83 is disposed between the positioning sleeve 53 and the guide sleeve 29;

A high-low pressure circulation chamber is disposed at a rear end of the power-driven cylinder block 27 of the power tool of the composite rotary cutting machine, and the high-low pressure circulation chamber pushes the impact piston 26 along the axial direction thereof through the inlet and outlet through the inlet and outlet. Reciprocating at a certain frequency, the impact piston 26 pushes the impact hammer 28 to reciprocate at a certain frequency along its axial direction, and the impact hammer 28 pushes the impact pick 32 integrally provided by the impact pick 32 to reciprocate at a certain frequency along the axial direction to generate an impact. effect;

The tail end of the cylinder 27 of the pick-up power unit is provided with a clamping groove 91, and the cylinder 27 of the pick-up power unit is positioned via a spring clip 92.

The provision of a coaxial composite drill bit or composite drum 7 at both ends of the mining machine or the shield machine main shaft 2 also achieves a higher efficiency than the double or double drum structure of the mining machine or the shield machine, and is no longer Narration.

A cylinder liner is disposed inside the cylinder body of the composite drill bit of the mining machine or the shield machine device or the cylinder body or the cutter seat provided in the pick-tooth holder of the composite drum.

The guide sleeve 29 provided on the inner side of the front end of the cylinder or the inner cylinder of the composite drill or the shield cylinder of the mining machine or the cutter cylinder can be rotated.

By setting the arrangement of the cylinder block 14, the high-speed cutting can be used to improve the efficiency, thereby prolonging the service life of the mining machine or the shield machine and reducing the power consumption.

The shank of the pick-up machine or the shield machine device is provided with a positioning guide groove 63; the outer side of the positioning guide groove 63 is a positioning guide body 65;

The positioning guide groove 63 is directionally coupled to the guide sleeve 29 of the impact device via the positioning body 30;

A positioning guide precursor 64 is disposed between the positioning guide groove 63 of the shank portion of the pick-up machine or the shield drum device and the guard 67 of the pick-tooth head 61. . An alloy head 66 is integrally provided in the pick 61

The tail end of the rear side pick shank of the positioning guide groove 63 is integrally provided with an impact shank 68.

The stepped handle of the different diameter is provided with a positioning guide groove 63;

The outer end of the shank positioning guide groove of the pick of the power unit is disposed as a positioning guide 30 disposed in cooperation with the guide sleeve on the inner side of the front end of the cylinder.

According to the above structure, since the positioning guide groove 63 is provided on the pick of the power unit, the positioning body of the mining machine impact device can be effectively matched to ensure that the impact handle 68 of the pick of the power unit can be subjected to an impact. The impact force is effectively impacted along the pin into the coal seam through the alloy head 66 of the pick 61.

Embodiment 2:

A pick-up of a power unit of a composite rotary cut mining machine, as shown in FIG. 5, a pick-up of a power unit of a composite rotary cut mining machine according to a second embodiment of the present invention, in the first embodiment In addition, a hydraulic system is disposed at a rear portion of the cylinder 27 of the power tool having the power device of the composite rotary cutting machine of the present invention;

1 is a straight shank pick, FIG. 2 is a step handle pick, and FIG. 5 is a hydraulic power structure diagram of a rear portion of the cylinder 27 with a power unit;

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, a hydraulic power cylinder block 14, a piston rod 40, a seal ring 48, and a throttle valve 39. Guide sleeve 49, connecting sealing ring 50, positioning sleeve 53, dust ring 52, cylinder head 48, retaining ring 47, piston sealing ring 46, hydraulic pneumatic piston 13, intermediate guiding ring 44, piston connecting rod sealing ring 73, buffer The

sleeve

42, 41 fastening screw 41, the positioning sleeve 53, the pick handle 31, the pick handle moving groove 20, the pick head 61; A push in and out port, B return in and out port;

The cylinder head 48 is disposed by means of screw positioning by splitting the center of the piston rod 40 into two parts.

The cylinder 14 of the impact piston provided in the front end of the hydraulic power cylinder of the composite drill bit of the mining machine or the shield machine is provided with two front and rear ventilation holes E , F.

The hydraulic power cylinder 14 is provided with a hydraulic power piston 45. The hydraulic power piston 45 is provided with a connecting rod, and the connecting rod is disposed in the guiding sleeve 49; or one side of the hydraulic power piston 45 is provided with a punch through the connecting rod or a punch; or a side of the hydraulic power piston 45 is provided with a spring, a spring, a punch and a pick sleeve;

The inner side of the front end of the hydraulic power cylinder 14 is provided with a positioning sleeve 53. The positioning sleeve 53 is provided with an impact pick 32. The impact pick 32 is moved by the pick handle 20 provided on the pick handle 31, the positioning body 30 and the positioning sleeve. 53 positioning is coupled together.

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 or the cutter drum device of the composite drill or the composite drum 7 , and the hydraulic power piston 45 is compressed by the piston rod 40 The piston 25 is coupled, and the compressor piston 25 pushes the impact piston 26 against the impact hammer 28 through the high pressure airflow. The impact hammer 28 impacts the pick handle 31 and conducts to the impact pick 32 to produce an impact pick 32 effect;

The hydraulic power cylinder 14, the hydraulic power piston 45, the connecting rod drives the positioning sleeve 53, the positioning sleeve 53 and the impact pick 32 form a composite drill or composite drum 7 for reciprocating impact movement, two of the main shaft 2 of the mining machine or the shield machine The provision of a coaxial composite drill bit or composite drum 7 at each end also achieves a higher efficiency than a double or double drum structure of a mining machine or a shield machine, and will not be described herein.

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 piston 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 connecting rod seal ring 43, buffer sleeve 42, fastening screw 41, positioning sleeve 53, pick handle 31, pick head 61, pick seat seal ring; A push in and out port , B return inlet and outlet ports (shown in Figure 3);

By setting the arrangement of the hydraulic power cylinder 14, high-speed cutting can be performed, and the efficiency is improved, thereby prolonging the service life of the mining machine or the shield machine and reducing the power consumption.

The outer end of the shank positioning guide groove of the pick-up of the power device is disposed as a positioning guide 62 disposed in cooperation with the guide sleeve on the inner side of the front end of the cylinder, and the positioning guide 62 is installed in the casing of the mining machine Positioning movement.

Embodiment 3:

A pick-up of a power unit of a composite rotary cut mining machine, as shown in FIG. 6 , a pick-up of a power unit of a composite rotary cut mining machine according to a second embodiment of the present invention, in the first embodiment In addition, the rear part of the cylinder 27 with the power device of the power tool of the composite rotary cutting machine of the present invention is provided. Built with a pneumatic system;

1 is a straight shank pick, FIG. 2 is a step handle pick, and FIG. 6 is a pneumatic power structure diagram at the rear of the cylinder 27 with a power unit;

The pick-up of the power-driven device of the composite rotary-cut mining machine of the present invention is disposed on the cutting portion of the impact-cut mining machine or the shield machine; the high-pressure hydrodynamic impact device 59;

The handle of the pick-up machine or the shield machine device or the pick-up of the pick-up device provided on the composite drum is provided with stepped handles 31 of different diameters; the composite drill bit of the mining machine or shield machine equipment or The shank of the pick-up of the power unit provided on the composite drum is provided with a positioning guide groove 63; the outer side of the positioning guide groove 63 is a positioning guide body 65;

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. ,link

Sealing ring, dust ring 24, pneumatic cylinder head 23, pneumatic piston 13, buffer tank, buffer plunger 12, plunger seal ring 11; C air supply port, D exhaust port;

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

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 or the shield 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 lands 4 are arranged integrally with the high-pressure gas output 6; a sealing device 48 is disposed between the main shaft and the high-pressure gas pipe;

The power output shaft end 5 disposed on the composite drill bit or the composite drum of the mining machine or the shield machine is fixedly coupled with the high pressure gas output end 6 , and the high pressure gas output end 6 communicates with the mining machine or the shield machine main shaft 2 . Fixedly coupled together, the high-pressure gas output 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 front end cover 9 of the mining machine or the shield machine composite drill bit or 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 gas connection port 8 is provided with a high pressure branch pipe, and the other end of the high pressure pipe is connected to the air supply port 39 of the pneumatic power cylinder 14 via a pneumatic valve (not shown);

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

The guide sleeve 29 provided on the inner side of the cylinder or the inner cylinder of the composite drill or the shield machine of the mining machine or the cutter drum can be rotated.

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 an impact pick 32. The impact 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 positioning is coupled together.

The connecting rod 15 generates a high-pressure airflow through the compressed air 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 air-exchange holes E and F at different positions, and the impact hammer 28 The impact end of the impact shank 31 is generated in the plenum chamber 27, the shank moving groove 20 passes through the pick head 61;

The inner end of the pneumatic power cylinder 14 disposed in the pick-up machine or the cutter head of the composite drum or the composite drum 7 is provided with a pneumatic piston 13 through which the pneumatic piston 13 passes through the pneumatic connecting rod 15 and the pneumatic piston 25, the compression piston 25 pushes the impact piston 26 against the impact hammer 28 by the high pressure air flow, and the impact hammer 28 impacts the pick handle 31 to the impact pick 32 to produce the impact pick 32 effect.

The cylinder of the impact piston disposed in the front end of the pneumatic power cylinder of the composite drill bit or the composite drum of the mining machine or the shield drum device is provided with two front and rear ventilation holes E, F.

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;

According to the above configuration, since the pneumatic 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 via the link, and the punch or the punch cooperates with the positioning sleeve 53. The outer sleeve of the positioning sleeve 53 is provided with a spring. The positioning sleeve 53 is provided with an impact pick 32, and the impact sleeve 32 is driven by the positioning sleeve 53 to improve the efficiency and prolong the service life by means of high frequency impact. The high pressure gas is connected to the outside of the drill bit or the composite drum to power the pneumatic power cylinder 14, which simplifies the structure of the composite drill or the composite drum 7, improves work efficiency, and greatly reduces power consumption, and is common with a mining machine or a shield machine. The water spray device of the same or similar or other manner can be used for safety protection, and will not be described herein.

A pneumatic piston 13 is disposed in the pneumatic power cylinder 14. The pneumatic piston 13 is coupled to the compression piston 25 via a pneumatic connecting rod 15. The pneumatic piston 25 pushes the impact piston 26 against the impact hammer 28 by a high-pressure airflow. The impact of the hammer 28 impact pick 31 to the impact pick 32 produces the effect of the impact pick 32.

The picks of all the above embodiments can be configured on different mining machines or shield machines to decompose the punching resistance and friction, improve work efficiency and reduce power consumption.

Although the cylinder 14 is provided in the drill bit of the mining machine or the shield machine, the piston 26 or the punch, the impact hammer 28, the positioning sleeve 53, the impact pick 32, and the impact or rotary impact are generated by the high pressure gas or the high pressure liquid. Although the description has been made by way of example, the powered pick of the present invention can also be implemented by adding a rotating device and an expanding manner of the speed increasing device, and the present invention can be implemented by setting or combining more combinations of the foregoing technologies. The pick of the present invention may also have more structural means, and the structure of the embodiment and any other combination of the combinations may be employed in the above structure.

The pick-up of the power unit of the composite rotary cutting machine of all the above embodiments can be configured on different mining machines or shield machines to decompose the punching resistance and friction, improve work efficiency and reduce power consumption.

Although the pneumatic power cylinder or the hydraulic power cylinder, the positioning sleeve 53, and the impact pick 60 are provided on the drill bit or the drum of the mining machine or the shield machine, the pneumatic power cylinder or the cylinder body can be in more ways. The at least one or more main shafts 52 are disposed on the mining machine or the shield machine, and at least one or more composite drills or composite drums 7 are disposed on each of the main shafts 52, and an impact or a rotary impact is generated by using high-pressure gas or high-pressure liquid. The example has been described, but the mining machine or the shield machine of the present invention can also be implemented by means of providing a pneumatic power cylinder or a cylinder and a pick, and also by a gas pump or a hydraulic pump, a pneumatic valve or a hydraulic valve. The present invention is implemented by providing a valve, and an expansion mode of the speed increasing device, and setting or combining the foregoing technologies in more combinations.

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

Claims

A pick-up device with a power device for a composite rotary cutting machine, relating to various shearers or roadheaders, or cutting sections of the front end of the tunneling work of the shield machine equipment,

The utility model is characterized in that the pick-up of the power unit of the composite rotary cutting machine is arranged in the cylinder;

The pick of the power unit reciprocates at a certain frequency along its axial direction during operation in the cylinder of the pick-up of the power unit.
A pick-up device with a power device for a composite rotary cutting machine, relating to various shearers or roadheaders, or cutting sections of the front end of the tunneling work of the shield machine equipment,

The utility model is characterized in that the pick-up of the power unit of the composite rotary cutting machine is arranged in the cylinder;

The cylinder with the power device is provided with an impact piston that reciprocates at a certain frequency along its axial direction during operation; the impact piston reciprocates at a certain frequency along its axial direction during operation to push the impact hammer provided at the front end;

The impact hammer reciprocates at a certain frequency along its axial direction during operation to push the impact shank integrally provided at the trailing end of the impact pick provided at the front end.
A pick-up device with a power device for a composite rotary cutting machine, relating to various shearers or roadheaders, or cutting sections of the front end of the tunneling work of the shield machine equipment,

The utility model is characterized in that the pick of the power device of the composite rotary cutting machine is provided with a cylinder;

a rear side of the cylinder impacting piston is provided with a high and low pressure circulation chamber in which a fluid changes at a high frequency and a low frequency;

The high and low pressure circulation chamber is provided with a fluid inlet and outlet;

The cylinder with the pick-up of the power device is coupled with the cutter seat integrally provided on the cutting machine or the cutting machine of the roadheader or the shield machine, and is integrally formed;

The fluid in the high and low pressure circulation chamber of the cylinder with the pick-up of the power device pushes the pick of the power unit with a certain frequency of high and low pressure to reciprocate along the axial direction at a certain frequency.
A pick-up device with a power device for a composite rotary cutting machine, relating to various shearers or roadheaders, or cutting sections of the front end of the tunneling work of the shield machine equipment,

The utility model is characterized in that the pick-up of the power unit of the composite rotary cutting machine is arranged in the cylinder;

The cylinder body is integrally provided with the composite rotary cutting mining machine cutter seat; the cylinder body is provided with a piston, and the piston moves in the cylinder body;

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, a front end of the impact piston is provided with an impact hammer, and a front end of the impact hammer is provided with an impact pick;

The impact pick includes a pick head and a pick handle;

The handle of the impact pick is provided with a positioning guide groove;

The tail end of the rear side pick shank of the positioning guide groove is integrally provided with an impact shank.
A pick-up of a power unit of a composite rotary cut mining machine according to claims 1-3,

The utility model is characterized in that the picking head of the pick of the power device is integrally or welded and formed integrally with an alloy head.
A pick-up of a power unit of a composite rotary cut mining machine according to claims 1-3,

It is characterized in that the handle of the impact pick is provided with stepped handles of different diameters.
a composite rotary cutting machine according to claims 1-3,

The utility model is characterized in that: a positioning sleeve is arranged at a positioning joint between the front end of the cylinder body and the cutting seat of the composite rotary cutting machine; and the positioning sleeve is provided with a retracting shaft pin.
a composite rotary cutting machine according to claims 1-3,

It is characterized in that the outer side of the cylinder of the composite rotary cutting machine is provided in a cone structure.
A pick-up of a power unit of a composite rotary cut mining machine according to claims 1-3,

The utility model is characterized in that the cylinder of the pick-up device of the power tool of the composite rotary cutting machine is provided with a stroke positioning hole.
a composite rotary cutting machine according to claims 1-3,

The utility model is characterized in that a limited-position ventilation hole is arranged on the cylinder of the pick-up device of the power tool of the composite rotary cutting machine.