CN-224212686-U - Small-sized hydraulic tapping machine

CN224212686UCN 224212686 UCN224212686 UCN 224212686UCN-224212686-U

Abstract

The utility model discloses a small hydraulic tapping machine which comprises an impact mechanism, a cylinder sleeve and a piston. The impact mechanism comprises a reversing valve, the reversing valve comprises a reversing valve seat and a reversing valve core, the reversing valve core is arranged in the reversing valve seat, the reversing valve core is fixedly connected with the reversing valve seat in a sealing mode, the reversing valve core is hollow, a valve core oil inlet and a valve core oil outlet are formed in the reversing valve core, a valve seat oil inlet and a valve seat oil outlet are formed in the reversing valve seat, the valve seat oil inlet is communicated with the valve core oil inlet, the valve seat oil outlet is communicated with the valve core oil outlet, a cylinder sleeve oil inlet and a cylinder sleeve oil outlet are formed in the circumferential side of the cylinder sleeve, the valve core oil inlet is communicated with the cylinder sleeve oil inlet, and the valve core oil outlet is communicated with the cylinder sleeve oil outlet. The utility model solves the technical problems of large volume, complex structure, low operation efficiency and difficult operation in a small blast furnace area in the technical field of steel smelting industry.

Inventors

ZHU ZHENBIN
FENG YU
FU CHENGZHANG
WANG LINLI

Assignees

宜昌银蓬精工科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250530

Claims (6)

1. The small hydraulic iron notch drill is characterized by comprising an impact mechanism, a cylinder sleeve and a piston, wherein the impact mechanism comprises a reversing valve, the reversing valve comprises a reversing valve seat and a reversing valve core, the reversing valve core is arranged in the reversing valve seat and is fixedly connected with the reversing valve seat in a sealing mode, the reversing valve core is hollow, a valve core oil inlet hole and a valve core oil outlet hole are formed in the reversing valve core, a valve seat oil inlet hole and a valve seat oil outlet hole are formed in the reversing valve seat, the valve seat oil inlet hole is communicated with the valve core oil inlet hole, the valve seat oil outlet hole is communicated with the valve core oil outlet hole, an oil cylinder sleeve oil inlet hole and a cylinder sleeve oil outlet hole are formed in the periphery of the cylinder sleeve, the valve core oil inlet hole is communicated with the cylinder sleeve oil inlet hole, and the valve core oil outlet hole is communicated with the cylinder sleeve oil outlet hole.
2. The small hydraulic tapping machine according to claim 1, wherein the piston is arranged in the cylinder sleeve inner cavity, the piston is in sealing sliding connection with the cylinder sleeve, a primary sealing ring, a secondary sealing ring and a tertiary sealing ring are arranged between the piston and the cylinder sleeve, and the primary sealing ring, the secondary sealing ring and the tertiary sealing ring are sequentially arranged along the length of the piston.
3. The small hydraulic tapping machine according to claim 2, wherein a pressure ring is arranged on the peripheral wall of the piston, a pressure cavity is formed by one end face of the pressure ring, the inner wall of the cylinder sleeve and the peripheral wall of the piston, and the pressure cavity is communicated with the cylinder sleeve oil inlet hole and the cylinder sleeve oil outlet hole.
4. The small hydraulic tapping machine according to claim 3, further comprising a rotating mechanism, wherein the rotating mechanism comprises a rotating driving source, a transmission assembly and a rotating output shaft, the transmission assembly comprises a transmission shell, a transmission shaft, a first transmission revolving body and a second transmission revolving body, the transmission shaft is arranged in a cavity of the transmission shell, the transmission shaft is in rotary connection with the transmission shell, and the first transmission revolving body is fixedly connected with the transmission shaft.
5. The small hydraulic tapping machine according to claim 4, wherein the second transmission rotator is in transmission connection with the second transmission rotator, the second transmission rotator is sleeved on the rotation output shaft, and the second transmission rotator is fixedly connected with the rotation output shaft.
6. The small hydraulic tapping machine according to claim 5, wherein one end of the rotary output shaft is provided with an output shaft transmission tooth, one end of the piston close to the rotary output shaft is provided with a piston transmission tooth, the output shaft transmission tooth is meshed with the piston transmission tooth, and the output shaft of the rotary drive source is in driving connection with the transmission shaft.

Description

Small-sized hydraulic tapping machine Technical Field The utility model relates to the technical field of steel smelting industry, in particular to a small hydraulic tapping machine. Background In the iron and steel smelting industry, the tapping machine is used as key equipment for tapping of a blast furnace, and is mainly used for breaking a tapping mud sleeve through mechanical power and opening a tapping channel when tapping of the blast furnace, so that molten iron can smoothly flow out. The performance of the device directly affects tapping efficiency, tapping quality and stable operation of the blast furnace. The traditional tapping machine is mostly large-scale heavy equipment, and is complicated in structure and size, so that the traditional tapping machine is complex in installation and debugging process, high in manpower and time cost consumption and high in requirements on installation sites, and is difficult to flexibly arrange in blast furnace areas with limited spaces. In the operation process, the large-scale tapping machine has high energy consumption, high equipment maintenance difficulty and high cost, and comprises frequent part replacement, complex hydraulic system maintenance and the like, so that the production cost of enterprises is increased, and the continuous operation time of the equipment is also influenced. Moreover, the traditional large tapping machine has insufficient operation flexibility, is difficult to adapt to tapping requirements under different working conditions, and can not accurately control strong power output of some special furnace conditions or small blast furnaces, so that the problems of excessive damage to the tapping or low tapping efficiency and the like are easily caused. Disclosure of utility model The utility model aims to overcome the technical defects, and provides a small hydraulic tapping machine which solves the technical problems of large volume, complex structure, low operation efficiency and difficult operation in a small blast furnace zone in the technical field of steel smelting industry. To achieve the technical purpose, the technical proposal of the utility model provides a small hydraulic tapping machine, which comprises The impact mechanism comprises a reversing valve, the reversing valve comprises a reversing valve seat, a reversing valve core, the reversing valve core is arranged in the reversing valve seat, the reversing valve core is fixedly connected with the reversing valve seat in a sealing mode, the reversing valve core is hollow, a valve core oil inlet hole and a valve core oil outlet hole are formed in the reversing valve core, the valve seat oil inlet hole and the valve seat oil outlet hole are formed in the reversing valve seat, the valve seat oil inlet hole is communicated with the valve core oil inlet hole, the valve seat oil outlet hole is communicated with the valve core oil outlet hole, an oil cylinder sleeve oil inlet hole and a cylinder sleeve oil outlet hole are formed in the periphery of the cylinder sleeve, the valve core oil inlet hole is communicated with the cylinder sleeve oil inlet hole, and the valve core oil outlet hole is communicated with the cylinder sleeve oil outlet hole. The piston is arranged in the inner cavity of the cylinder sleeve and is in sealing sliding connection with the cylinder sleeve, a first-stage sealing ring, a second-stage sealing ring and a third-stage sealing ring are arranged between the piston and the cylinder sleeve, and the first-stage sealing ring, the second-stage sealing ring and the third-stage sealing ring are sequentially arranged along the length of the piston. The piston is characterized in that a pressure ring is arranged on the peripheral wall of the piston, a pressure cavity is formed by one end face of the pressure ring, the inner wall of the cylinder sleeve and the peripheral wall of the piston, and the pressure cavity is communicated with the cylinder sleeve oil inlet hole and the cylinder sleeve oil outlet hole. The rotary mechanism comprises a rotary driving source, a transmission assembly and a rotary output shaft, wherein the transmission assembly comprises a transmission shell, a transmission shaft, a first transmission rotator and a second transmission rotator, the transmission shaft is arranged in a cavity of the transmission shell and is in rotary connection with the transmission shell, and the first transmission rotator is fixedly connected with the transmission shaft. The second transmission revolving body is in transmission connection with the second transmission revolving body, the second transmission revolving body is sleeved on the rotary output shaft, and the second transmission revolving body is fixedly connected with the rotary output shaft. The rotary driving device comprises a rotary output shaft, a piston, a rotary driving source, a piston, a driving shaft and a driving shaft, wherein one end of the rotary output shaft is provided with an output sha