阅读说明：本技术 一种整体成井式竖井掘进机 (Integral well-forming type shaft heading machine ) 是由 刘飞香 程永亮 刘在政 李德平 郑大桥 何其平 彭正阳 李政 姚满 丁张飞 马海 于 2019-11-19 设计创作，主要内容包括：本发明提供了一种整体成井式竖井掘进机。包括固定在地面上的地上设备和掘进在地面下的井内主机；所述地上设备包括支撑结构架和推进系统；支撑结构架固定在地平面上；推进系统安装在支撑结构架上；所述井内主机包括刀盘、主驱动、钢管环和支护单元；刀盘上的法兰和主驱动上的法兰通过高强度螺栓连接,主驱动为刀盘在掘进过程中提供扭矩；钢管环的一端与主驱动上的法兰连接；钢管环的另一端与支护单元连接；推进系统中的活塞杆正对支护单元区域。本发明整体结构机械化程度高,大大减少了劳动强度。通过采用钢管片支护,地质适应性广,可应用于软土、卵砾石、软岩、硬岩地层进行竖井掘进。集开挖、出渣、初支于一体,各个工序无缝衔接,施工效率快。(The invention provides an integrated shaft boring machine. The underground tunneling machine comprises ground equipment fixed on the ground and an underground main machine tunneled under the ground; the above ground apparatus comprising a support structure frame and a propulsion system; the support structure frame is fixed on the ground plane; the propulsion system is arranged on the support structure frame; the host machine in the well comprises a cutter head, a main drive, a steel pipe ring and a supporting unit; the flange on the cutter head is connected with the flange on the main drive through a high-strength bolt, and the main drive provides torque for the cutter head in the tunneling process; one end of the steel pipe ring is connected with a flange on the main drive; the other end of the steel pipe ring is connected with the supporting unit; the piston rod in the propulsion system is opposite to the area of the support unit. The invention has high mechanization degree of the whole structure and greatly reduces the labor intensity. By adopting the steel pipe sheet for supporting, the device has wide geological adaptability and can be applied to the vertical shaft tunneling of soft soil, gravel, soft rock and hard rock stratums. Collect excavation, slag tap, just prop up in an organic whole, each process seamless connection, the efficiency of construction is fast.)

1. The integral well-forming type vertical shaft tunneling machine is characterized by comprising ground equipment fixed on the ground and an underground main machine tunneled below the ground;

the above ground apparatus comprises a support structure frame (1) and a propulsion system (2); the support structure frame (1) is fixed on the ground plane; the propulsion system (2) is arranged on the support structure frame (1);

the host machine in the well comprises a cutter head (3), a main drive (4), a steel pipe ring (5) and a supporting unit; a flange on the cutter head (3) is connected with a flange on the main drive (4) through a high-strength bolt, and the main drive (4) provides torque for the cutter head (3) in the tunneling process; one end of the steel pipe ring (5) is connected with a flange on the main drive (4); the other end of the steel pipe ring (5) is connected with the supporting unit; a piston rod in the propulsion system (2) is over against the area of the support unit, and the piston rod in the propulsion system (2) is used for propping against the support unit and transmitting the thrust to the cutter head (3).

2. The shaft boring machine as claimed in claim 1, wherein the flange diameter of the cutter head (3) is 10-50 mm larger than the diameter of the steel pipe ring (5); a hinged oil cylinder (14) is fixed on the inner wall of the steel pipe ring (5); the main drive (4) is provided with a hinge seat (15); the piston rod of the hinged oil cylinder (14) is matched with the groove of the hinged seat (15).

3. A shaft boring machine according to claim 2, characterised in that there are eight groups of articulated cylinders (14); eight groups of hinged oil cylinders are uniformly arranged along the circumferential direction of the steel pipe ring (5), and piston rods of the hinged oil cylinders are inserted into grooves of the hinged seats (15) to fix the main drive (4) and adjust the position of the main drive (4).

4. A shaft boring machine according to claim 1, characterised in that the support unit is a steel tube sheet (6); the steel pipe piece (6) is of an annular structure formed by splicing two pipe pieces with semicircular sections, and the two pipe pieces are connected in a bolt connection mode or a welding mode or a combination mode of bolt connection and welding; the outer diameter of the steel pipe sheet (6) is equal to that of the steel pipe ring (5).

5. An integral shaft boring machine according to claim 1, characterised in that the propulsion system (2) comprises four sets of propulsion cylinders evenly distributed along the circumference of the steel tube sheet (6).

6. The integral shaft boring machine according to any one of claims 1 to 5, wherein the above-ground equipment further comprises a supporting and hoisting system (7), the supporting and hoisting system (7) is installed on a slide rail of the support structure frame (1), and the supporting and hoisting system (7) is used for hoisting pipe pieces when the steel pipe pieces (6) are assembled.

7. The shaft boring machine as claimed in claim 6, wherein the above ground equipment further comprises a main machine hoisting system (8), the main machine hoisting system (8) is fixed on the ground, the support structure frame (1) is provided with a guide pulley block (16), and the free ends of the steel strands in the main machine hoisting system (8) penetrate through the guide pulley block (16) to hoist the main machine in the well.

8. An integral shaft boring machine according to claim 7 wherein the above ground facility further comprises a mud and water circulation system; the mud-water circulating system comprises a mud-water separating station (9) and a slurry discharging pump (10); the mud-water separation station (9) is fixedly arranged on the ground; the slurry discharging pump (10) is arranged on a flange of the cutter head (3); one end of the slurry discharge pipe (11) is connected with the mud-water separation station (9), and the other end of the slurry discharge pipe (11) is connected with the outlet of the slurry discharge pump (10); one end of the slurry pumping pipe (12) is connected with the inlet of the slurry discharge pump (10); one end of the water inlet pipe (13) is connected with the mud-water separation station (9), and the other end of the water inlet pipe (13) is introduced into the cavity of the cutter head.

Technical Field

The invention relates to the technical field of shaft construction, in particular to an integral shaft-forming type shaft heading machine.

Background

With the increasing demand of underground engineering, the application range of the vertical shaft is wider and wider. At present, a common shaft sinking method is adopted in the construction of a plurality of vertical shafts, and the method has the advantages of low excavation speed, low mechanization degree, high safety risk of constructors and high construction cost. The vertical shaft tunneling machine is an engineering machine for rapidly tunneling a tunnel, and can realize intelligent and underground unmanned construction.

The invention patent CN108756888A 'A small-diameter hard rock shaft heading machine' discloses a small-diameter hard rock shaft heading machine, which comprises a shaft heading host machine and a derrick arranged on the ground, wherein the shaft heading host machine is connected with the derrick through a lifting mechanism; the power matching device comprises a walking chassis and a slurry treatment station, wherein a slurry pump and a power station are arranged on the upper portion of the walking chassis, and the slurry treatment station is connected with the shaft tunneling host machine through a slurry pipe. The modular design is convenient for the transportation and maintenance of the equipment; the working efficiency of the small-diameter shaft tunneling is greatly improved.

The shaft boring machine propulsion system referred to in the above patent takes the form of a shoe, so that the shaft boring machine is restricted to boring in hard rock formations only. Other related shaft tunneling equipment cannot realize rapid tunneling and lining and disassembly of the equipment after shaft tunneling is finished.

In view of the above, there is a great need for an integrated shaft boring machine to solve the problems of the prior art.

Disclosure of Invention

The invention aims to provide an integral shaft boring machine, which aims to solve the problems of low excavation speed and inconvenient equipment disassembly and assembly of the existing boring machine.

In order to achieve the aim, the invention provides an integral shaft-forming type shaft heading machine which comprises ground equipment fixed on the ground and a shaft main machine heading under the ground; the above ground apparatus comprising a support structure frame and a propulsion system; the support structure frame is fixed on the ground plane; the propulsion system is arranged on the support structure frame;

the host machine in the well comprises a cutter head, a main drive, a steel pipe ring and a supporting unit; the flange on the cutter head is connected with the flange on the main drive through a high-strength bolt, and the main drive provides torque for the cutter head in the tunneling process; one end of the steel pipe ring is connected with a flange on the main drive; the other end of the steel pipe ring is connected with the supporting unit; a piston rod in the propulsion system is opposite to the region of the support unit, and the piston rod in the propulsion system props against the support unit to transmit the thrust to the cutter head.

Preferably, the diameter of the flange of the cutter head is 10-50 mm larger than that of the steel pipe ring; a hinged oil cylinder is fixed on the inner wall of the steel pipe ring; the main drive is provided with a hinge seat; the piston rod of the hinged oil cylinder is matched with the groove of the hinged seat.

Preferably, eight groups of hinged oil cylinders are arranged; eight groups of hinged oil cylinders are uniformly arranged along the circumferential direction of the steel pipe ring, and piston rods of the hinged oil cylinders are inserted into grooves of the hinged seats to fix the main drive and adjust the position of the main drive.

Preferably, the supporting unit is a steel pipe sheet; the steel pipe piece is of an annular structure formed by splicing two pipe pieces with semicircular sections, and the two pipe pieces are connected in a bolt connection mode or a welding mode or a combination mode of bolt connection and welding; the outer diameter of the steel pipe sheet is equal to that of the steel pipe ring.

Preferably, the propulsion system comprises four groups of propulsion oil cylinders which are uniformly distributed along the circumferential direction of the steel pipe sheet.

Preferably, the ground equipment further comprises a supporting and hoisting system, the supporting and hoisting system is installed on the slide rail of the support structure frame, and the supporting and hoisting system is used for hoisting the pipe piece when the steel pipe piece is assembled.

Preferably, the above-ground equipment further comprises a host hoisting system, the host hoisting system is fixed on the ground, a guide pulley block is arranged on the support structure frame, and the free end of the steel strand in the host hoisting system penetrates through the guide pulley block to hoist the host in the well.

Preferably, the above-ground equipment further comprises a muddy water circulation system; the mud-water circulating system comprises a mud-water separating station and a slurry discharging pump; the mud-water separation station is fixedly arranged on the ground; the slurry discharging pump is arranged on a flange of the cutter head; one end of the slurry discharge pipe is connected with the mud-water separation station, and the other end of the slurry discharge pipe is connected with an outlet of the slurry discharge pump; one end of the slurry pumping pipe is connected with the inlet of the slurry discharging pump; one end of the water inlet pipe is connected with the mud-water separation station, and the other end of the water inlet pipe is communicated into the cavity of the cutter head.

The technical scheme of the invention has the following beneficial effects:

(1) the invention has high mechanization degree of the whole structure and greatly reduces the labor intensity. By adopting the steel pipe sheet for supporting, the device has wide geological adaptability and can be applied to the vertical shaft tunneling of soft soil, gravel, soft rock and hard rock stratums.

(2) According to the invention, a conical cutter head is adopted for full-section excavation, slag is discharged through a mud-water circulating system, and the primary support is carried out by adopting spliced steel pipe sheets. Collect excavation, slag tap, just prop up in an organic whole, each process seamless connection, the efficiency of construction is fast.

(3) According to the invention, the host hoisting system is arranged, and the vertical shaft heading machine can be disassembled after the equipment finishes heading, so that the construction cost is greatly reduced. And in the disassembly process, the main drive, the propulsion oil cylinder, the cutter head and the like are sequentially conveyed out through the main machine hoisting system. And the in-situ protective and quick assembly and disassembly are realized. In the case of relatively good geological conditions, the constructor can change the tool downhole.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

figure 1 is a front view of a shaft boring machine;

figure 2 is a side view of a shaft boring machine;

FIG. 3 is a schematic diagram of a downhole host;

the system comprises a supporting structure frame 1, a supporting structure frame 2, a propulsion system 3, a cutter head 4, a main drive 5, a steel pipe ring 6, a steel pipe sheet 7, a supporting and hoisting system 8, a main machine hoisting system 9, a mud-water separation station 10, a slurry discharge pump 11, a slurry discharge pipe 12, a slurry pumping pipe 13, a water inlet pipe 14, a hinged oil cylinder 15, a hinged seat 16 and a guide pulley block.

Detailed Description

Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.