WO2017071608A1

WO2017071608A1 - Reciprocating impact boring machine internally provided with rocker arm telescopic cylinder

Info

Publication number: WO2017071608A1
Application number: PCT/CN2016/103526
Authority: WO
Inventors: 刘素华
Original assignee: 刘素华
Priority date: 2015-10-27
Filing date: 2016-10-27
Publication date: 2017-05-04
Also published as: CN106609671A; CN106609671B

Abstract

Disclosed is a reciprocating impact boring machine internally provided with a rocker arm telescopic cylinder, said machine comprising a telescopic outer drum (1), a telescopic inner drum (2), a telescopic cylinder (3), a reciprocating impact portion (4) and a body (5), the telescopic inner drum (2) being arranged within the telescopic outer drum (1), the junction between the telescopic inner drum (2) and the reciprocating impact portion (4) being provided with a telescopic inner drum flange (2.1), the telescopic inner drum flange (2.1) being connected to a box body (9), the telescopic outer drum (1) being arranged on the body (5), the telescopic cylinder (3) being arranged inside the telescopic inner drum (2), an impact power source piece (6) being transversely arranged perpendicular to the box body (9). The cylinder is isolated from the external harsh environment, effectively protecting the cylinder from being polluted and affected, and preventing bumping etc. The telescopic cylinder (3) is arranged on the force centre, preventing eccentric loading of a cutting portion telescopic structure, so that the cutting portion telescopes smoothly, and the service life is extended. The telescopic inner drum is provided with an inner drum water channel. The structure is simple, a water pipe is prevented from being exposed and easily damaged, the outward appearance is aesthetically pleasing, an oil inlet/outlet or valve piece is arranged behind the telescopic inner drum, maintenance is convenient, the inner diameter of the telescopic inner drum is reduced, and materials are saved.

Description

Rocker telescopic cylinder built-in reciprocating impact boring machine

Technical field

The invention relates to the field of machinery, in particular to a rocker telescopic cylinder built-in reciprocating impact boring machine.

Background technique

The existing mining boring machine cuts the motor and the transmission mechanism longitudinally. The motor has large power and large volume. The center of the telescopic mechanism is equipped with motor and transmission mechanism. There is no space to set the rocker telescopic cylinder, thus making the mining boring machine expansion and cutting section. The telescopic cylinder is arranged on the outer side or both sides. The underground environment of the coal mine is bad. The cylinder is placed outside. It is seriously polluted by water and dust, corroded and easily damaged. The cylinder is placed on one side, and the load is severe when working. The component is damaged. At present, the water passage of the cutting part of the roadheader passes through the main drive shaft of the transmission mechanism, and the structure is complicated and easy to be damaged. Once the leakage occurs, the lubrication failure and other adverse consequences are caused, and the maintenance is difficult after the damage.

In order to overcome the above problems of the cutting machine cutting section, the present invention provides a rocker telescopic cylinder built-in reciprocating impact boring machine.

Summary of the invention

A rocker telescopic cylinder built-in reciprocating impact boring machine includes a telescopic outer cylinder, a telescopic inner cylinder, a telescopic cylinder, a reciprocating impact portion and a fuselage, and the reciprocating impact portion includes an impact power source member, a crank connecting rod assembly, an impact guiding assembly and The box body and the like, the crank connecting rod assembly, the impact guiding assembly and the like are disposed in the box body, the crank connecting rod assembly includes a crankshaft and a connecting rod, and the impact guiding assembly includes an impact guiding rod and an impact head, and the impact guiding rod is longitudinally arranged at one end and protrudes from the box body. The other end is connected with the connecting rod, the crankshaft is laterally disposed on the box body, and the impact power source component includes a power shaft, the power shaft is perpendicularly connected to the lateral direction of the box body and connected to the crankshaft, the power shaft drives the crankshaft to rotate, and the crankshaft drives the connecting rod to reciprocate, even The rod drives the impact guide rod to reciprocate impact, the impact power source member is disposed outside the telescopic inner cylinder, the telescopic inner cylinder is disposed in the telescopic outer cylinder, and the telescopic inner cylinder and the reciprocating impact portion are provided with a telescopic inner cylinder flange, the telescopic inner cylinder The flange is connected with the box body, or the telescopic inner tube and the reciprocating impact portion are integrated, and the telescopic outer tube is hinged with the body or integrated with the body. Cylinder disposed inside the inner telescopic tube, one end of the telescopic cylinder and the outer telescopic tube and the other end connected to the inner portion of the telescopic cylinder or reciprocating impact.

A telescopic cylinder mounting member is arranged at the front end of the telescopic inner cylinder, and the telescopic cylinder mounting member is connected to the telescopic inner cylinder separately or integrated, and the telescopic cylinder and the telescopic cylinder mounting member are connected by a pin or a bolt, or the telescopic inner cylinder cavity is set to The telescopic cylinder cylinder rod and the telescopic outer cylinder are set as telescopic cylinder cylinders.

The rear end of the telescopic outer cylinder is provided with a telescopic cylinder rear support member, and the telescopic cylinder rear support member is connected to the telescopic outer cylinder separately or integrated, and the telescopic cylinder and the telescopic cylinder rear support member are connected by a pin shaft or a bolt.

A guide key or a telescopic inner cylinder is disposed between the telescopic inner cylinder and the telescopic outer cylinder to rotate relative to the telescopic outer cylinder, and the telescopic inner cylinder and the telescopic outer cylinder are positioned by a pin or the like.

The inner wall of the telescopic inner cylinder is provided with an inner cylinder water channel and the like.

The fuselage includes a water pipe, the water pipe passes through the telescopic inner cylinder and the telescopic inner cylinder flange, the telescopic inner cylinder flange is provided with a flange water channel, and the reciprocating impact portion is provided with an impact water channel, etc., the flange The water channel is connected to the water channel of the impact portion, and the joint is provided with a sealing member or the like, or the water pipe is connected to the water channel of the impact portion through the telescopic outer tube.

The impact head includes an impact head water passage or the like, and the impact portion water passage is connected to the impact head water passage through the reciprocating impact portion or the water passage tube is directly connected to the impact head water passage.

The front end of the telescopic cylinder is connected with the telescopic inner cylinder or connected to the impact portion. The rear end of the telescopic cylinder is provided with an inlet and outlet port and/or a cylinder valve member. The inlet and outlet ports and/or the cylinder valve member are arranged at the rear of the telescopic inner cylinder for convenient maintenance and reduction. Retract the inner diameter of the inner cylinder to save material.

The cross-sectional shape of the telescopic inner cylinder and the telescopic outer cylinder is circular, elliptical or polygonal.

The telescopic outer cylinder is provided with a lubricating structure, and the lubricating structure includes a lubrication groove, a lubrication hole and the like.

Beneficial effects:

1. The rocker telescopic cylinder has a built-in reciprocating impact boring machine whose power shaft is perpendicular to the transverse direction of the box and is connected with the crankshaft. The power shaft drives the crankshaft to rotate, the crankshaft drives the connecting rod to reciprocate, and the connecting rod drives the impact guiding rod to reciprocate impact. The sleeve is disposed outside the telescopic inner cylinder, the telescopic inner cylinder is disposed in the telescopic outer cylinder, and the telescopic inner cylinder and the reciprocating impact portion are provided with a telescopic inner cylinder flange, and the telescopic inner cylinder flange is connected with the box body, or telescopically The cylinder and the reciprocating impact portion are integrated, the telescopic outer cylinder is hinged with the fuselage or integrated with the fuselage, the telescopic cylinder is disposed inside the telescopic inner cylinder, one end of the telescopic cylinder is connected with the telescopic outer cylinder, and the other end is connected with the telescopic inner cylinder or reciprocating The impact portion is connected, and the telescopic cylinder is disposed inside the telescopic inner cylinder to be isolated from the harsh environment of the outside, effectively protecting the oil cylinder from pollution, avoiding bumping of the telescopic cylinder, etc., the telescopic cylinder is disposed at the force center, and the telescopic structure of the cutting portion is avoided. The eccentric load makes the cutting section expand and contract smoothly, extending the service life of the telescopic component and the telescopic cylinder.

2. The telescopic inner cylinder is provided with a telescopic cylinder mounting member at the front end. The telescopic cylinder mounting member is connected to the telescopic inner cylinder or integrated. The telescopic cylinder and the telescopic cylinder mounting member are connected by a pin or a bolt, and the telescopic cylinder mounting member is disposed at the telescopic The front part of the cylinder is connected with the telescopic inner cylinder, and the direction of the transmission force of the telescopic cylinder mounting member is on the same axis as the direction of the telescopic cylinder thrust, the force transmission is unbiased, the force transmission efficiency is high, or the telescopic inner cylinder cavity is set to The telescopic cylinder cylinder rod and the telescopic outer cylinder are set as the telescopic cylinder cylinder. The telescopic inner cylinder and the telescopic outer cylinder of the telescopic rocker arm are used as the telescopic cylinder, which saves the setting of the components, improves the cross-sectional area of the cylinder, and increases the cylinder cylinder. Thrust and stability.

3. Guide button is arranged between the telescopic inner cylinder and the telescopic outer cylinder, the guiding is accurate, the anti-torque moment is large, and the stability of the impact head impact is ensured.

4. The inner wall of the telescopic inner cylinder is provided with the inner wall of the inner cylinder or the outer wall of the inner cylinder, and the water channel is arranged in the telescopic outer cylinder to make the water channel extend. The inner cylinder is telescopically fixed, and the water pipe is fixedly connected with the impact portion and the telescopic inner cylinder, so that the reciprocating friction between the water pipe and the rocker outer cylinder is prevented when the water pipe is connected with the impact portion, and the inner tubular water channel is provided on the telescopic inner cylinder wall. The utility model has the advantages of simple structure, neat appearance, compact space utilization, avoiding the water pipe being exposed and easily damaged, and the appearance is beautiful.

5. The water pipe passes through the telescopic inner cylinder and is connected to the telescopic inner cylinder flange. The telescopic inner cylinder flange is provided with a flange water channel, and the reciprocating impact portion is provided with an impact water channel, and the flange water channel is connected with the impact water channel. The joint is provided with a sealing member, or the water pipe is connected to the water channel of the impact portion through the telescopic outer tube, and the water channel is arranged on the impact portion, thereby saving space and cooling the water channel of the impact portion to the impact portion, and the joint is provided with a sealing member. The seal is reliable and avoids leakage.

6. The impact section water channel passes through the reciprocating impact section and the impact head waterway connection or the waterway pipe is directly connected with the impact head waterway to avoid leakage of the waterway disposed on the main drive shaft, and the structure is simple, reliable and easy to maintain.

7. The front end of the telescopic cylinder is connected with the telescopic inner cylinder or connected to the impact portion. The rear end of the telescopic cylinder is provided with the inlet and outlet ports and/or the cylinder valve member. The inlet and outlet ports and/or the cylinder valve member are arranged at the rear of the telescopic inner cylinder for convenient maintenance. Reduce the inner diameter of the telescopic inner tube and save material.

8. The cross-sectional shape of the telescopic inner cylinder and the telescopic outer cylinder is elliptical or polygonal, which can prevent the telescopic inner cylinder from rotating relative to the telescopic outer cylinder, and the anti-impact portion is rotated with respect to the telescopic outer cylinder, and the guide member is avoided, and the structure is simple.

9. The telescopic outer cylinder is provided with a lubricating structure. The lubricating structure includes a lubrication groove and a lubrication hole. The lubrication groove and the lubrication hole are convenient for injecting the lubricating liquid into the telescopic outer cylinder to lubricate and cool the telescopic guide and the telescopic inner cylinder.

DRAWINGS

Figure 1 is a front elevational view of Embodiment 1;

2 is a partial structural schematic view of Embodiment 1;

3 is a schematic structural view of Embodiment 2;

4 is a schematic structural view of Embodiment 3;

Figure 5 is a schematic structural view of Embodiment 4;

Figure 6 is a schematic structural view of Embodiment 5;

Figure 7 is a schematic structural view of Embodiment 6;

Figure 8 is a schematic structural view of Embodiment 7;

Figure 9 is a schematic cross-sectional view of Embodiment 7;

Figure 10 is a schematic structural view of Embodiment 8;

Figure 11 is a schematic structural view of Embodiment 9;

Figure 12 is a schematic view showing the structure of Embodiment 10.

In the picture:

1- telescopic outer cylinder, 2- telescopic inner cylinder, 2.1- telescopic inner cylinder flange, 2.2-flange water channel, 3- telescopic cylinder, 3.1-pin coupling, 3.2-flange connector, 4- Reciprocating impact section, 4.1-impact section waterway, 5-body, 6-impact power source, 6.1-power shaft, 7-crank connecting rod assembly, 7.1-crankshaft, 7.2 connecting rod, 8-impact guiding assembly, 8.1 impact Guide rod, 8.2 impact head, 8.3-impact head channel, 9-box, 10-way button, 11-inner channel, 12-channel tube, 13-seal, 14-inlet and outlet, 15-valve, 16- Telescopic cylinder mounting, 17-retractable cylinder rear support, 18-pin, 19-lubricated construction.

detailed description

Example 1

As shown in FIG. 1 to FIG. 2, a rocker telescopic cylinder has a reciprocating impact boring machine, including a telescopic outer cylinder 1, a telescopic inner cylinder 2, a telescopic cylinder 3, a reciprocating impact portion 4, a fuselage 5, and the like, and a reciprocating impact portion 4 The impact power source member 6, the crank connecting rod assembly 7, the impact guiding assembly 8 and the casing 9 and the like, the crank connecting rod assembly 7, the impact guiding assembly 8 and the like are disposed in the casing 9, and the crank connecting rod assembly 7 includes the crankshaft 7.1 and The connecting rod 7.2 and the like, the impact guiding assembly 8 includes an impact guiding rod 8.1 and an impact head 8.2, etc., the longitudinal end of the impact guiding rod 8.1 extends out of the box 9, the other end is connected with the connecting rod 7.2, and the crankshaft 7.1 is laterally disposed on the box 9. The impact power source component 6 includes a power shaft 6.1, etc., the power shaft 6.1 is disposed perpendicularly to the casing 9 and is connected to the crankshaft 7.1, the power shaft 6.1 drives the crankshaft 7.1 to rotate, the crankshaft 7.1 drives the connecting rod 7.2 to reciprocate, and the connecting rod 7.2 drives the impact guiding rod. 8.1 reciprocating impact, the impact power source member 6 is disposed outside the telescopic inner cylinder 2, the telescopic inner cylinder 2 is disposed in the telescopic outer cylinder 1, and the telescopic inner cylinder 2 and the reciprocating impact portion 4 are provided with a telescopic inner cylinder flange 2.1. The telescopic inner cylinder flange 2.1 is connected to the casing 9, or The telescopic inner cylinder and the reciprocating impact portion are integrated, and the telescopic outer cylinder 1 is disposed on the body 5. The telescopic outer cylinder is hinged to the fuselage or integrated with the fuselage, and the telescopic cylinder 3 is disposed inside the telescopic inner cylinder 2.

One end of the telescopic cylinder 3 is connected to the telescopic outer cylinder 1, the telescopic cylinder 3 and the telescopic outer cylinder 1 are connected by a pin, and the other end is connected to the telescopic inner cylinder 2, and the telescopic cylinder 3 and the telescopic inner cylinder 2 are connected by bolts.

Example 2

As shown in FIG. 3, a rocker telescopic cylinder has a reciprocating impact boring machine, including a telescopic outer cylinder 1, a telescopic inner cylinder 2, a telescopic cylinder 3, a reciprocating impact portion 4, and the like, and one end of the telescopic cylinder 3 is connected to the telescopic outer cylinder 1, The telescopic cylinder 3 is connected to the telescopic outer cylinder 1 via a pin shaft, and the other end is connected to the reciprocating impact portion 4, and the telescopic cylinder 3 and the reciprocating impact portion 4 are connected by a pin.

The rest are the same as in the first embodiment.

Example 3

As shown in FIG. 4, a rocker telescopic cylinder has a built-in reciprocating impact boring machine, and a telescopic cylinder is provided at the front end of the telescopic inner cylinder 2. The assembly 16, the telescopic cylinder mounting member 16 and the telescopic inner cylinder 2 are integrated, the telescopic cylinder 3 and the telescopic cylinder mounting member 16 are connected by bolts, and the rear end of the telescopic outer cylinder 1 is provided with a telescopic cylinder rear support member 17, and the telescopic cylinder rear support The member 17 is connected to the telescopic outer cylinder 1 in a separate body, and the telescopic cylinder 3 and the telescopic cylinder rear support 17 are connected by a pin.

The rest are the same as in the first embodiment.

Example 4

As shown in FIG. 5, a rocker telescopic cylinder has a reciprocating impact boring machine, and a telescopic cylinder mounting member 16 is disposed at a front end of the telescopic inner cylinder 2, and the telescopic cylinder mounting member 16 is connected with the telescopic inner cylinder 2, and the telescopic cylinder 3 and the telescopic cylinder The cylinder mounting member 16 is connected by a pin shaft, and the rear end of the telescopic outer cylinder 1 is provided with a telescopic cylinder rear support member 17, and the telescopic cylinder rear support member 17 and the telescopic outer cylinder 1 are integrated, and the telescopic cylinder 3 and the telescopic cylinder rear support member 17 pass through. Bolted.

The rest are the same as in the first embodiment.

Example 5

As shown in FIG. 6, a rocker telescopic cylinder has a reciprocating impact boring machine, including a telescopic outer cylinder 1, a telescopic inner cylinder 2, a telescopic cylinder 3, a reciprocating impact portion 4, and the like, and one end of the telescopic cylinder 3 is connected to the telescopic outer cylinder 1, The telescopic cylinder 3 is connected to the telescopic outer cylinder 1 via a pin shaft, and the other end is connected to the telescopic inner cylinder 2, and the telescopic cylinder 3 and the telescopic inner cylinder 2 are connected by bolts.

A guide key 10 or the like is provided between the telescopic inner cylinder 2 and the telescopic outer cylinder 1.

The rest are the same as in the first embodiment.

Example 6

As shown in FIG. 7 , a rocker telescopic cylinder has a reciprocating impact boring machine, and the cross-sectional shape of the telescopic inner cylinder 2 and the telescopic outer cylinder 1 is circular, and the telescopic inner cylinder 2 rotates relative to the telescopic outer cylinder 1 , and the telescopic inner cylinder 2 The telescopic outer cylinder 1 is positioned by a pin 18.

The rest are the same as in the first embodiment.

Example 7

As shown in FIG. 8 and FIG. 9, a rocker telescopic cylinder has a reciprocating impact boring machine, including a telescopic outer cylinder 1, a telescopic inner cylinder 2, a telescopic cylinder 3, a reciprocating impact portion 4, and the like, and a telescopic cylinder 3 end and a telescopic outer cylinder 1 is connected, the telescopic cylinder 3 and the telescopic outer cylinder 1 are connected by a pin shaft, the other end is connected to the reciprocating impact portion 4, and the telescopic cylinder 3 and the reciprocating impact portion 4 are connected by a pin.

The cross-sectional shape of the telescopic inner tube 2 and the telescopic outer tube 1 is a polygon.

The inner wall of the telescopic inner cylinder is provided with an inner cylinder channel 11 and the like.

The rest are the same as in the first embodiment.

Example 8

As shown in FIG. 10, a rocker telescopic cylinder has a reciprocating impact boring machine, including a telescopic outer cylinder 1, a telescopic inner cylinder 2, a telescopic cylinder 3, a reciprocating impact portion 4, and the like, and one end of the telescopic cylinder 3 is connected to the telescopic outer cylinder 1, The telescopic cylinder 3 is connected to the telescopic outer cylinder 1 via a pin shaft, and the other end is connected to the telescopic inner cylinder 2, and the telescopic cylinder 3 and the telescopic inner cylinder 2 are connected by bolts.

The airframe includes a water pipe 12, etc., and the water pipe 12 is connected to the telescopic inner cylinder flange 2.1 through the telescopic inner cylinder 2, and the telescopic inner cylinder flange 2.1 is provided with a flange water channel 2.2, etc., and the reciprocating impact portion 4 is provided. The impact water channel 4.1, the flange water channel 2.2 is connected to the impact portion water channel 4.1, and the joint 13 is provided with a sealing member 13 and the like.

The impact head 8.2 includes an impact head water passage 8.3 or the like, and the impact portion water passage 4.1 is connected to the impact head water passage 8.3 through the reciprocating impact portion.

The rest are the same as in the first embodiment.

Example 9

As shown in FIG. 11, a rocker telescopic cylinder has a reciprocating impact boring machine, including a telescopic outer cylinder 1, a telescopic inner cylinder 2, a telescopic cylinder 3, a reciprocating impact portion 4, etc., and the telescopic inner cylinder cavity is set as a telescopic cylinder cylinder rod. The telescopic outer cylinder is set as a telescopic cylinder cylinder.

The rest are the same as in the first embodiment.

Example 10

As shown in FIG. 12, a rocker telescopic cylinder has a reciprocating impact boring machine, including a telescopic outer cylinder 1, a telescopic inner cylinder 2, a telescopic cylinder 3, a reciprocating impact portion 4, etc., and the telescopic inner cylinder 2 is disposed in the telescopic outer cylinder 1 a telescopic inner cylinder flange 2.1 is disposed at a joint between the telescopic inner cylinder 2 and the reciprocating impact portion 4, and the telescopic inner cylinder flange 2.1 is connected to the casing 9, and the telescopic outer cylinder 1 is disposed on the fuselage, and the telescopic cylinder 3 is disposed at The inside of the inner cylinder 2 is telescopic.

The telescopic cylinder 3 includes a pin coupling member 3.1 and a flange coupling member 3.2, etc., and one end of the telescopic cylinder 3 is connected to the telescopic inner cylinder 2 through a pin coupling member 3.1, and the flange connector 3.2 at the other end of the telescopic cylinder 3 is disposed in and out. The oil port 14 or the valve member 15 and the like, the inlet and outlet port 14 or the valve member 15 and the like are disposed at the rear of the telescopic inner cylinder 3, which is convenient for maintenance, reduces the inner diameter of the telescopic inner cylinder, and saves materials.

The telescopic outer cylinder 1 is provided with a lubricating structure 19, and the lubricating structure includes a lubrication groove, a lubrication hole and the like.

The rest are the same as in the first embodiment.

Claims

A rocker telescopic cylinder built-in reciprocating impact boring machine includes: a telescopic outer cylinder, a telescopic inner cylinder, a telescopic cylinder, a reciprocating impact portion and a fuselage, and the reciprocating impact portion includes an impact power source member, a crank connecting rod assembly, and an impact The guiding assembly and the box body, the crank connecting rod assembly and the impact guiding assembly are disposed in the box body, the crank connecting rod assembly comprises a crankshaft and a connecting rod, the impact guiding assembly comprises an impact guiding rod and an impact head, and the impact guiding rod is longitudinally arranged at one end and protrudes from the box body The other end is connected with the connecting rod, the crankshaft is laterally disposed on the box body, and the impact power source component comprises a power shaft. The power shaft is perpendicularly connected to the lateral direction of the box body and connected to the crankshaft, the power shaft drives the crankshaft to rotate, the crankshaft drives the connecting rod to reciprocate, and the connecting rod The impact guiding rod is driven to reciprocate impact, the impact power source member is disposed outside the telescopic inner cylinder, the telescopic inner cylinder is disposed in the telescopic outer cylinder, and the telescopic inner cylinder and the reciprocating impact portion are provided with a telescopic inner cylinder flange, and the telescopic inner cylinder method The blue plate is connected with the box body, or the telescopic inner tube and the reciprocating impact portion are integrated, and the telescopic outer tube is hinged with the body or integrated with the body. Cylinder disposed inside the inner telescopic tube, one end of the telescopic cylinder and the outer telescopic tube and the other end connected to the inner portion of the telescopic cylinder or reciprocating impact.
The rocker telescopic cylinder built-in reciprocating impact boring machine according to claim 1, wherein the front end of the telescopic inner cylinder is provided with a telescopic cylinder mounting member, and the telescopic cylinder mounting member is connected to the telescopic inner cylinder or integrated. The telescopic cylinder and the telescopic cylinder mounting member are connected by a pin or a bolt, or the telescopic inner cylinder inner cavity is set as a telescopic cylinder cylinder rod, and the telescopic outer cylinder is set as a telescopic cylinder cylinder.
The rocker telescopic cylinder built-in reciprocating impact boring machine according to claim 1, wherein the rear end of the telescopic outer cylinder is provided with a telescopic cylinder rear support member, and the telescopic cylinder rear support member is connected to the telescopic outer cylinder separately or Integral, the telescopic cylinder and the telescopic cylinder rear support are connected by pins or bolts.
The rocker telescopic cylinder built-in reciprocating impact boring machine according to claim 1, wherein a guide key or a telescopic inner cylinder is disposed between the telescopic inner cylinder and the telescopic outer cylinder, and the telescopic inner cylinder rotates with respect to the telescopic outer cylinder. The telescopic outer cylinder is positioned by the pin.
A rocker telescopic cylinder built-in reciprocating impact boring machine according to claim 1, wherein the telescopic inner cylinder wall is provided with an inner cylinder channel.
The rocker telescopic cylinder built-in reciprocating impact boring machine according to claim 1, wherein the body comprises a water pipe, and the water pipe passes through the telescopic inner cylinder and is connected with the telescopic inner cylinder flange, and the telescopic inner cylinder flange The disc is provided with a flange water channel, and the reciprocating impact portion is provided with an impact water channel, the flange water channel is connected with the impact portion water channel, the connection portion is provided with a sealing member, or the water channel tube is connected to the impact portion water channel through the telescopic outer tube.
A rocker telescopic cylinder built-in reciprocating impact boring machine according to claim 1, wherein the impact head comprises an impact head water passage, and the impact portion water passage passes through the reciprocating impact portion and the impact head water passage or the water passage tube and the impact head water passage. direct connection.
A rocker telescopic cylinder built-in reciprocating impact boring machine according to claim 1, characterized in that: a telescopic cylinder The front end is connected with the telescopic inner cylinder or connected to the impact portion, and the rear end of the telescopic cylinder is provided with an inlet and outlet port and/or a cylinder valve member, and the inlet and outlet ports and/or the cylinder valve member are disposed at the rear of the telescopic inner cylinder for convenient maintenance and reduction of the telescopic inner portion. The inner diameter of the barrel saves material.
A rocker telescopic cylinder built-in reciprocating impact boring machine according to claim 1, wherein the cross-sectional shape of the telescopic inner cylinder and the telescopic outer cylinder is circular, elliptical or polygonal.
The rocker telescopic cylinder built-in reciprocating impact boring machine according to claim 1, wherein the telescopic outer cylinder is provided with a lubricating structure, and the lubricating structure comprises a lubrication groove and a lubrication hole.