阅读说明：本技术 一种环形驱动的曲线管幕机试验装置及其试验方法 (Annular-driven curve tube curtain machine testing device and testing method thereof ) 是由 阎广斌 李传国 丛龙广 吕阳 丁笑宇 李显超 邢羽辉 于 2021-08-12 设计创作，主要内容包括：本发明公开了一种环形驱动的曲线管幕机试验装置及其试验方法,包括主机、钢管节、顶推机构和排渣机构；所述钢管节设置在所述主机的一端；顶推机构设置在钢管节的另一端端部；钢管节内部设有电缆,且主机通过电缆与外部控制系统连接控制主机的工作状态；顶推机构和排渣机构交替连接在钢管节的另一端。本发明结构简单,施工方便,无需后续螺旋螺杆即可钻进和出渣,节约了空间和设备材料,简化了步骤,解决了小直径曲线管幕机顶推、排渣困难的问题。(The invention discloses an annular-driven curve tube curtain machine testing device and a testing method thereof, wherein the annular-driven curve tube curtain machine testing device comprises a main machine, a steel tube section, a pushing mechanism and a slag discharging mechanism; the steel pipe joint is arranged at one end of the main machine; the pushing mechanism is arranged at the end part of the other end of the steel pipe joint; a cable is arranged in the steel pipe joint, and the host is connected with an external control system through the cable to control the working state of the host; the pushing mechanism and the slag discharging mechanism are alternately connected to the other end of the steel pipe joint. The invention has simple structure and convenient construction, can drill and discharge slag without a subsequent spiral screw, saves space and equipment materials, simplifies the steps and solves the problems of difficult pushing and slag discharge of the small-diameter curved pipe curtain machine.)

1. The annular-driven curve tube curtain machine testing device is characterized by comprising a host (1), a steel tube joint (2), a pushing mechanism (3) and a slag discharging mechanism (4), wherein the host (1) comprises a shell (14), a first motor (13), a first transmission gear (12), a guide drill bit (11), a second motor (17), a second transmission gear (16) and a spiral drilling tool (15), and the shell (14) is of a double-layer tube structure with openings at two ends; the first motor (13) and the second motor (17) are fixedly arranged in an interlayer at one end and an interlayer in the middle of the shell (14) respectively; the first transmission gear (12) and the second transmission gear (16) are both spoke gears; the inner side end and the middle part of the inner layer cylinder wall are provided with mounting racks (10); the first transmission gears and the second transmission gears are respectively rotatably arranged on one side of the mounting rack in a one-to-one correspondence manner through gear shafts; the gear teeth of the first transmission gear (12) and the second transmission gear (16) respectively penetrate through the inner-layer cylinder wall and are meshed with a pinion fixed at the end part of the output shaft of the first motor and a pinion fixed at the end part of the output shaft of the second motor in a one-to-one correspondence manner; the pilot bit (11) is positioned outside the shell and is fixedly connected with a gear shaft of the first transmission gear (12); the spiral drilling tool (15) is integrally provided with a screw rod (151) in the middle in the length direction; the screw (151) is fixedly connected with a gear shaft of the second transmission gear and is positioned between the first transmission gear (12) and the second transmission gear (16); a slag soil box (18) is arranged in the inner-layer cylinder wall of the shell at one side of the second transmission gear (16) far away from the guide drill bit;

one end of the steel pipe joint (2) is fixedly connected to the other end of the shell (14) and is arranged in the same axial diameter with the outer layer cylinder wall of the shell (14); the pushing mechanism (3) and the slag discharging mechanism (4) are arranged at the end part of the other end of the steel pipe joint (2), and the pushing mechanism (3) and the slag discharging mechanism (4) are alternately detachably connected to the end part of the other end of the steel pipe joint (2); the cable (5) is arranged inside the steel pipe joint (2), and the first motor (13) and the second motor (17) are connected with an external control system through the cable (5) respectively.

2. The annular-driven curved-tube curtain machine testing device as claimed in claim 1, wherein the pushing mechanism (3) comprises a supporting seat (31), a guide rail (32), a pushing disc (33) and a pushing cylinder (34), the supporting seat (31) is fixed in a pushing pit base, the guide rail (32) is fixed on the supporting seat (31) along the pushing direction of the steel tube joint (2), and the pushing disc (33) is slidably connected to the guide rail (32); the pushing oil cylinder (34) is fixed on the supporting seat (31), the telescopic end of the pushing oil cylinder (34) is fixedly connected to the end face of one side of the pushing disc (33), and the end face of the other side of the pushing disc (33) is detachably connected to the end portion of the other end of the steel pipe joint (2).

3. The annular-driven curved pipe curtain machine testing device as claimed in claim 2, wherein the supporting seat (31) comprises a first supporting plate (311) and a second supporting plate (312), the first supporting plate (311) and the second supporting plate (312) form an L-shaped structure, the first supporting plate is horizontally arranged, the guide rail (32) is fixedly mounted on the first supporting plate (311), the pushing cylinder (34) is fixedly connected to the second supporting plate (312), and the telescopic direction of the pushing cylinder (34) corresponds to the pushing direction of the steel pipe joint (2).

4. The annular-driven curved-tube curtain machine testing device as claimed in claim 1, wherein the slag discharging mechanism (4) comprises a venturi tube (41), a slag discharging tube (42) and a compressed gas feeder (43), and one end of the slag discharging tube (42) is detachably connected to the other end of the steel tube section and is communicated with the steel tube section; the other end of the slag discharge pipe (42) is connected with an adsorption port (411) of the Venturi pipe (41), and the slag discharged by the spiral drilling tool is adsorbed by the adsorption port (411); the compressed gas feeder (43) is connected with an air inlet (413) of the Venturi tube for supplying gas, and the compressed gas is discharged from an air outlet (412) of the slag discharge pipe.

5. The annular driven curved pipe curtain machine testing device as claimed in claim 1, wherein the steel pipe joint (2) is fixedly connected with the shell (14) through a socket joint (7); the steel pipe joint (2) is formed by connecting a plurality of branch pipe joints, each branch pipe joint is of a hollow structure, each branch pipe joint is fixedly connected through a socket joint, the central axis of each steel pipe joint (2) has a certain curvature, and a pressure detector is arranged on the pipe wall of each branch pipe joint connected with the host (1).

6. The annular-driven curved-tube curtain machine testing device as claimed in claim 1, wherein one end of the slag box (18) is an earth inlet end, the other end of the slag box is an earth outlet end, the earth inlet end is adjacent to the second transmission gear (16), the earth outlet end is provided with an induction valve (9), and a switch inductor of the induction valve (9) is connected with a switch of a compressed gas supply device (43).

7. The annular-driven curved tube curtain machine testing device as claimed in claim 1, wherein a protection tube (6) is arranged on the periphery of the cable (5), the protection tube (6) is formed by fixedly connecting a plurality of branch tubes, and the branch tubes are high-pressure-resistant flexible metal rubber composite tubes.

8. The annular driven curvilinear tube curtain machine testing device as claimed in claim 6, wherein the cable (5) is composed of a plurality of segmented cables, and each segmented cable is connected through a butt plug.

9. The circular driving curvilinear screen generator testing device as claimed in claim 1, wherein the gear teeth of the first transmission gear (12) and the second transmission gear (16) are correspondingly engaged with a plurality of driven pinions (19), and the driven pinions (19) are rotatably mounted on the inner side of the outer wall of the shell.

10. A method of testing an endless drive curvilinear tube curtain machine as claimed in claim 1, comprising the steps of:

a. preparing equipment and a working site;

b. installing a host, a pushing mechanism and a deslagging mechanism;

c. adjusting the pushing mechanism to determine the angle of the manhole;

d. in the pushing process, a second motor is started to drive a spiral drilling tool to drill, one end of a main machine is connected with a steel pipe joint, a pushing mechanism pushes the steel pipe joint to be pushed in, and a preset designed drilling path is obtained by adjusting the action of a first motor to drive a guide drill bit;

e. the spiral drilling tool drives the muck to pass through the second transmission gear to enter the muck box, the muck is sensed by the soil discharging end of the muck box, the sensing valve is opened, the other end of the steel pipe joint is connected with the slag discharging pipe, and the sensing valve is linked with the slag discharging mechanism to suck the muck out of the steel pipe joint; after the slag discharging is finished, the steel pipe joint is continuously jacked, and the slag discharging mechanism and the jacking mechanism indirectly and alternately work;

f. after the design length of the pipe curtain is reached, stopping drilling, and recovering the host and the cable in the receiving pit base;

g. and (e) shifting the drilling machine to other hole positions, and repeating the steps b-f to complete the integral construction of the pipe curtain steel pipe.

Technical Field

The invention relates to the technical field of tunnel construction, in particular to an annular-driven curve tube curtain machine testing device and a testing method thereof.

Background

The pipe curtain method is a construction technology for constructing a large-section underground space by arranging a row of curtains in advance in a stratum by using steel pipes. The principle of pipe curtain construction is that a single steel pipe is laid as a foundation, the steel pipes are connected through lock catches, and water-stopping agent is injected between the lock catches to form a sealed water-stopping curtain.

The existing pipe curtain equipment medium soil pressure and muddy water balance pipe jacking machine has a large diameter, is limited by an installation space, cannot meet the working condition requirement of jacking a small-diameter pipe curtain steel pipe, and has complex equipment and high cost; the spiral unearthed push bench is not suitable for curve pipe curtain pushing and slag discharging.

Therefore, the problem to be solved by the technical personnel in the field is how to provide an annular driving curve pipe curtain machine testing device which has simple slag discharge and low cost and is suitable for jacking a small-diameter curve pipe curtain steel pipe and a testing method thereof.

Disclosure of Invention

In view of the above, the invention provides an annular-driven curve tube curtain machine testing device which is simple in structure, convenient to construct and convenient for slag discharging.

In order to achieve the purpose, the invention adopts the following technical scheme: an annular-driven curve tube curtain machine testing device comprises a host, a steel tube joint, a pushing mechanism and a slag discharging mechanism, wherein the host comprises a shell, a first motor, a first transmission gear, a guide drill bit, a second motor, a second transmission gear and a spiral drilling tool, and the shell is of a double-layer cylinder structure with openings at two ends; the first transmission gear and the second transmission gear are both spoke gears, and the first motor and the second motor are respectively and fixedly installed in an interlayer at one end and an interlayer in the middle of the shell; the inner side end and the middle part of the inner layer cylinder wall are provided with mounting racks; the periphery of the mounting rack corresponds to the inner-layer cylinder wall, a shaft sleeve is arranged in the middle of the mounting rack, the first transmission gears and the second transmission gears are respectively rotatably mounted on one side of the mounting rack in a one-to-one correspondence mode through gear shafts, and the gear shafts are rotatably mounted in the shaft sleeve; the gear teeth of the first transmission gear and the second transmission gear respectively penetrate through the inner-layer cylinder wall and are correspondingly meshed with a pinion fixed at the end part of the output shaft of the first motor and a pinion fixed at the end part of the output shaft of the second motor one by one; the pilot bit is positioned on the outer side of the shell and is fixedly connected with a gear shaft of the first transmission gear; the middle part of the spiral drilling tool in the length direction is integrally provided with a screw rod; the screw rod is fixedly connected with a gear shaft of the second transmission gear and is positioned between the first transmission gear and the second transmission gear; a slag soil box is arranged in the inner-layer cylinder wall of the shell at one side of the second transmission gear, which is far away from the guide drill bit; one end of the steel pipe joint is fixedly connected to the other end of the shell and is coaxially arranged with the outer layer cylinder wall of the shell;

the pushing mechanism and the slag discharging mechanism are arranged at the end part of the other end of the steel pipe joint, and the pushing mechanism and the slag discharging mechanism can be alternately connected to the end part of the other end of the steel pipe joint; the cable is arranged inside the steel pipe joint, and the first motor and the second motor are connected with an external control system through the cable respectively.

The invention has the beneficial effects that: the first motor and the second motor are arranged to respectively drive the guide drill bit and the spiral drilling tool, the guide drill bit and the spiral drilling tool can be guided to drill according to a preset track, the steel pipe section is arranged at one end of the host machine, the spiral drilling tool discharges muck into the muck box, the muck box enters the steel pipe section, a slag passage is formed in the steel pipe section, the pushing mechanism and the slag discharging mechanism are alternately connected to the other end of the steel pipe section, the pushing mechanism can push the steel pipe section to advance, the pushing mechanism withdraws, the slag discharging mechanism is communicated with the steel pipe section, muck is sucked, the circulation is reciprocating, the follow-up spiral screw rod is not needed, the working procedure and the construction cost are saved, and the space and equipment materials are also saved.

Preferably, the pushing mechanism comprises a supporting seat, a guide rail, a pushing disc and a pushing oil cylinder, the supporting seat is fixed in the pushing pit base, the guide rail is fixed on the supporting seat along the pushing direction of the steel pipe joint, and the pushing disc is connected to the guide rail in a sliding manner; the pushing oil cylinder is fixed on the supporting seat, the telescopic end of the pushing oil cylinder is fixedly connected to one end face of the pushing disc, and the other end face of the pushing disc is detachably connected with one end portion of the steel pipe joint.

Preferably, the supporting seat includes first backup pad and second backup pad, first backup pad and the relative perpendicular fixed connection of second backup pad just form L type structure, and first backup pad level sets up, guide rail fixed mounting is on first backup pad, the top pushes away hydro-cylinder fixed connection in the second backup pad, just the flexible direction that pushes away the hydro-cylinder with the direction of going into in the top of steel pipe coupling corresponds.

Preferably, the slag discharging mechanism comprises a venturi tube, a slag discharging pipe and a compressed gas feeder, and one end of the slag discharging pipe can be fixedly connected to the other end of the steel pipe joint and is communicated with the steel pipe joint; the other end of the slag discharge pipe is connected with an adsorption port of the Venturi pipe, and the adsorption port adsorbs the slag discharged by the spiral drilling tool; the compressed gas feeder is connected with the gas inlet of the Venturi tube for supplying gas, and the compressed gas is discharged from the gas outlet of the slag discharge pipe.

Preferably, the steel pipe joint is fixedly connected with the shell through a socket joint; the steel pipe joint is formed by connecting a plurality of branch pipe joints, each branch pipe joint is of a hollow structure, each branch pipe joint is fixedly connected through a socket joint, the central axis of each steel pipe joint has a certain curvature, and a pressure detector is arranged on the pipe wall of each branch pipe joint connected with the host.

Preferably, one end of the residue soil box is a soil inlet end, the other end of the residue soil box is a soil outlet end, the soil inlet end is adjacent to the second transmission gear, the soil outlet end is provided with an induction valve, and a switch sensor of the induction valve is connected with a switch of the compressed gas feeder.

Preferably, a protection pipe is arranged on the periphery of the cable, the protection pipe is formed by fixedly connecting a plurality of branch pipes, and the branch pipes are high-pressure-resistant flexible metal rubber composite protection pipes.

Preferably, the cable is composed of a plurality of segmented cables, and each segmented cable is connected quickly through a butt plug.

Preferably, the gear teeth of the first transmission gear and the second transmission gear are correspondingly meshed with a plurality of driven pinions, and the driven pinions are rotatably arranged on the inner side of the outer layer cylinder wall of the shell.

The invention also discloses a test method of the annular-driven curved tube curtain machine, which specifically comprises the following steps:

a. preparing equipment and a working site;

b. installing a host, a pushing mechanism and a deslagging mechanism;

c. adjusting the pushing mechanism to determine the angle of the manhole;

d. in the pushing process, a second motor is started to drive a spiral drilling tool to drill, one end of a main machine is connected with a steel pipe joint, a pushing mechanism pushes the steel pipe joint to be pushed in, and a preset designed drilling path is obtained by adjusting the action of a first motor to drive a guide drill bit;

e. the spiral drilling tool drives the muck to pass through the second transmission gear to enter the muck box, the muck is sensed by the soil discharging end of the muck box, the sensing valve is opened, one end of the steel pipe joint is connected with the slag discharging pipeline, and the sensing valve is linked with the slag discharging mechanism through the sensor to suck the muck out of the steel pipe joint; after the slag discharging is finished, the steel pipe joint is continuously jacked, and the slag discharging mechanism and the jacking mechanism indirectly and alternately work;

f. after the design length of the pipe curtain is reached, stopping drilling, and recovering the host and the cable in the receiving pit base;

g. and (e) shifting the drilling machine to other hole positions, and repeating the steps b-f to complete the integral construction of the pipe curtain steel pipe.

Drawings

FIG. 1 is a schematic view of the overall structure of an annular-driven curved-tube curtain testing device according to the present invention;

FIG. 2 is a schematic cross-sectional view of an A-A apparatus for testing an annularly driven curved tube curtain machine of the present invention;

FIG. 3 is a schematic cross-sectional view of a circular-drive curved-tube curtain testing apparatus B-B according to the present invention;

FIG. 4 is a schematic view of a pilot bit of the circular-drive curved-tube curtain testing apparatus according to the present invention;

FIG. 5 is a partial schematic view of a steel pipe joint of an annular-driven curved pipe curtain machine testing device according to the present invention;

FIG. 6 is a schematic view of a deslagging mechanism of the testing device of the annularly-driven curved tube curtain machine of the present invention;

FIG. 7 is a schematic view of an installation rack of the circular-drive curved-tube curtain testing device of the present invention.

The device comprises a main machine 1, a guide drill bit 11, a first transmission gear 12, a first motor 13, a shell 14, a spiral drill 15, a screw 151, a second transmission gear 16, a second motor 17, a slag box 18, a driven pinion 19, a steel pipe joint 2, a pushing mechanism 3, a supporting seat 31, a first supporting plate 311, a second supporting plate 312, a guide rail 32, a pushing disc 33, a pushing oil cylinder 34, a slag discharging mechanism 4, a Venturi tube 41, an adsorption port 411, an exhaust port 412, an air inlet 413, a slag discharging pipe 42, a compressed gas supplier 43, a relay tank 44, a cable 5, a protective pipe 6, a socket joint 7, a slag passage notch 8, an induction valve 9 and a mounting rack 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7 of the drawings, an annular-drive curved tube curtain machine test device according to an embodiment of the present invention includes a main machine 1, a steel tube joint 2, a pushing mechanism 3 and a slag discharging mechanism 4, wherein the main machine 1 includes a housing 14, a first motor 13, a first transmission gear 12, a guide drill 11, a second motor 17, a second transmission gear 16 and a spiral drill 15, and the housing 14 is a double-layer cylinder structure with openings at two ends; the first transmission gear 12 and the second transmission gear 16 are both spoke gears; the first motor 13 and the second motor 17 are respectively and fixedly arranged in an interlayer at one end and an interlayer in the middle of the shell 14; the inner side end and the middle part of the inner layer cylinder wall are provided with mounting racks 10; the periphery of the mounting rack corresponds to the inner-layer cylinder wall, a shaft sleeve is arranged in the middle of the mounting rack, the first transmission gears and the second transmission gears are respectively rotatably mounted on one side of the mounting rack in a one-to-one correspondence mode through gear shafts, and the gear shafts are rotatably mounted in the shaft sleeve; the gear teeth of the first transmission gear 12 and the second transmission gear 16 respectively penetrate through the inner wall of the cylinder and are correspondingly meshed with a pinion fixed at the end part of the output shaft of the first motor and a pinion fixed at the end part of the output shaft of the second motor one by one; the pilot bit 11 is positioned outside the shell and is fixedly connected with a gear shaft of the first transmission gear 12; the spiral drilling tool 15 is integrally provided with a screw rod 151 penetrating through the middle part in the length direction; the screw 151 is fixedly connected with a gear shaft of the second transmission gear and is positioned between the first transmission gear 12 and the second transmission gear 16; a muck box 18 is arranged in the inner wall of the shell at one side of the second transmission gear 16 far away from the pilot bit; one end of the steel pipe joint 2 is fixedly connected to the other end of the shell 14 and is arranged in the same axial diameter with the outer layer cylinder wall of the shell 14;

the pushing mechanism 3 and the slag discharging mechanism 4 are arranged at the end part of the other end of the steel pipe joint 2, and the pushing mechanism 3 and the slag discharging mechanism 4 can be alternately connected to the end part of the other end of the steel pipe joint 2; the cable 5 is arranged inside the steel pipe joint 2, and the first motor 13 and the second motor 17 are respectively connected with an external control system through the cable 5.

In some embodiments, the pushing mechanism 3 includes a supporting seat 31, a guide rail 32, a pushing disc 33 and a pushing cylinder 34, the supporting seat 31 is fixed in the pushing pit base, the guide rail 32 is fixed on the supporting seat 31 along the pushing direction of the steel pipe joint 2, and the pushing disc 33 is slidably connected to the guide rail 32; the pushing oil cylinder 34 is fixed on the supporting seat 31, the telescopic end of the pushing oil cylinder 34 is fixedly connected to one end face of the pushing disc 33, and the other end face of the pushing disc 33 is detachably connected to one end portion of the steel pipe joint 2.

In other embodiments, the supporting seat 31 includes a first supporting plate 311 and a second supporting plate 312, the first supporting plate 311 and the second supporting plate 312 are relatively vertically and fixedly connected and form an L-shaped structure, the first supporting plate is horizontally disposed, the guide rail 32 is fixedly installed on the first supporting plate 311, the jacking cylinder 34 is fixedly connected to the second supporting plate 312, and the extending direction of the jacking cylinder 34 corresponds to the jacking direction of the steel pipe joint 2.

In other embodiments, the slag discharging mechanism 4 comprises a venturi tube 41, a slag discharging pipe 42 and a compressed gas supplier 43, wherein one end of the slag discharging pipe 42 is detachably connected to the other end of the steel pipe joint and is communicated with the steel pipe joint; the other end of the slag discharge pipe 42 is connected with an adsorption port 411 of the venturi tube 41, and the slag discharged by the spiral drilling tool is adsorbed by the adsorption port 411; the compressed gas supply unit 43 is connected with the gas inlet 413 of the venturi tube for supplying gas, and the compressed gas is discharged from the gas outlet 412 of the slag discharge pipe.

In other embodiments, the steel pipe joint 2 is fixedly connected with the shell 14 through the socket joint 7; the steel pipe section 2 is formed by connecting a plurality of branch pipe sections, each branch pipe section is of a hollow structure, each branch pipe section is fixedly connected through a socket joint, an arc line of each steel pipe section 2 has certain curvature, a pressure detector is arranged on the pipe wall of each branch pipe section connected with the host 1, the pressure of the periphery of the jacking pipe can be detected, the pressure detector is compared with set parameters, the guiding angle of the guiding drill bit can be adjusted conveniently, and the accuracy of the jacking pipe is improved.

In other embodiments, the muck box 18 has an earth inlet end at one end and an earth outlet end at the other end, the earth inlet end is adjacent to the second transmission gear 16, the earth outlet end is provided with a sensing valve, a switch sensor of the sensing valve is connected with a switch of the compressed gas supplier 43, the sensing valve can sense muck, when the muck abuts against the sensing valve, the valve is opened, and the compressed gas supplier supplies compressed gas to generate negative pressure to suck the muck and discharge the muck outwards.

In other embodiments, the cable 5 is provided with a protection tube 6 at its periphery, the protection tube 6 is formed by fixedly connecting a plurality of branch tubes, and the branch tubes are high pressure-resistant flexible metal rubber composite tubes, which protect the cable and normal power supply and are convenient to connect.

Specifically, each section of the branch pipe section is provided with a buckle, and the protection pipe is buckled on the buckle.

In other embodiments, the cable 5 is composed of several segments, and each segment is connected by a quick-connect plug, so that the cables can be connected conveniently, and the pipe segments can be pushed into the pipe segments conveniently.

In other embodiments, the first transmission gear 12 and the second transmission gear 16 are provided with a plurality of passage gaps for the dregs penetrating through the end surfaces of the two sides of the gears, and the dregs can enter the dregs box through the passage gaps.

Specifically, a plurality of driven pinions are annularly arranged in the interlayer of the shell and correspond to the first transmission gear and the second transmission gear respectively, and the driven pinions are correspondingly meshed with gear teeth of the first transmission gear and the second transmission gear; the driven pinions 19 are rotatably mounted inside the outer wall of the housing. The driven pinion gear plays a role in transmission on one hand and can support the first transmission gear and the second transmission gear on the other hand.

Specifically, the slag discharging mechanism is arranged below the steel pipe joint, so that the slag soil is conveniently discharged.

More specifically, the pushing mechanism and the slag discharging mechanism work indirectly, the pushing oil cylinder acts on the pushing disc during pipe jacking to push the steel pipe joint into the pushing disc, the pushing disc is retracted to provide an installation space for the slag discharging mechanism during the action of the slag discharging mechanism, the end part of the steel pipe joint is connected with a slag discharging pipeline to discharge slag soil, and the pushing mechanism works again and circularly until the work is finished.

More specifically, the exhaust port of the venturi is connected to a relay tank 44, which can buffer the muck, which is collected by a muck hopper.

The slag discharging principle of the slag discharging mechanism is as follows: the compressed gas feeder is used for feeding compressed gas to the air inlet of the Venturi tube and providing high-pressure air for the Venturi tube, the compressed gas feeder generates jet negative pressure by adopting large-flow high-pressure compressed air to pass through the Venturi tube, and the adsorption port is connected with the slag discharge pipe by utilizing the negative pressure, so that the slag can be sucked into the Venturi tube; and then discharged by the high-pressure airflow of the exhaust port.

Specifically, the invention relates to a test method of an annular-driven curved tube curtain machine, which comprises the following steps:

a. preparing equipment and a working site;

b. installing a host, a pushing mechanism and a deslagging mechanism;

c. adjusting the pushing mechanism to determine the angle of the manhole;

d. in the pushing process, a second motor is started to drive a spiral drilling tool to drill, one end of a main machine is connected with a steel pipe joint, a pushing mechanism pushes the steel pipe joint to be pushed in, and a preset designed drilling path is obtained by adjusting the action of a first motor to drive a guide drill bit;

e. the spiral drilling tool drives the muck to pass through the second transmission gear and enter the muck box, the muck is sensed by the soil discharging end of the muck box, the sensing valve is opened, and the slag discharging mechanism is linked to suck the muck out of the steel pipe joint; after the slag discharging is finished, the steel pipe joint is continuously jacked, and the slag discharging mechanism and the jacking mechanism indirectly and alternately act;

f. after the design length of the pipe curtain is reached, stopping drilling, and recovering the host and the cable in the receiving pit base;

g. and (e) shifting the drilling machine to other hole positions, and repeating the steps b-f to complete the integral construction of the pipe curtain steel pipe.

The invention has simple integral structure and convenient construction, discharges the slag soil through the combined action of the spiral drilling tool and the slag discharging mechanism in the jacking process of the guide drill bit, improves the slag discharging effect, omits the steps of independently jacking the spiral drill rod for discharging the soil in the subsequent steel pipe joint and the corresponding steps, and saves the materials.

For the device and the using method disclosed by the embodiment, the description is simple because the device and the using method correspond to the method disclosed by the embodiment, and the relevant points can be referred to the description of the method part.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.