阅读说明：本技术 一种开挖矩形竖井的钻机 (Drilling machine for excavating rectangular vertical shaft ) 是由 周倩 肖威 杨聚辉 赵飞 范磊 吕旦 闫扬义 袁征 吴彦星 冯琳 谌文涛 薛广 于 2019-09-27 设计创作，主要内容包括：本发明提出一种开挖矩形竖井的钻机,包括推进系统,所述的推进系统上设有横向滑移的平移系统,平移系统上设有纵向摆动的开挖系统。本发明的有益成果：土层、破碎岩层、硬岩及富水地层均可应用,适应性广；矩形全断面覆盖掘进；开挖、出渣、支护同步进行,施工效率高；有效控制超欠挖,控制成井精度,确保施工质量；设备可快速出井及复位,便于检修及设备出井；远程控制、全自动化作业,机械化程度高,井下无人施工,降低施工风险。(The invention provides a drilling machine for excavating a rectangular vertical shaft, which comprises a propulsion system, wherein a transverse sliding translation system is arranged on the propulsion system, and a longitudinal swinging excavation system is arranged on the translation system. The invention has the following beneficial results: the soil layer, the broken rock layer, the hard rock and the water-rich stratum can be applied, and the adaptability is wide; covering and tunneling a rectangular full section; the excavation, the slag discharge and the support are synchronously carried out, so that the construction efficiency is high; the overbreak and underexcavation are effectively controlled, the well-making precision is controlled, and the construction quality is ensured; the equipment can be quickly discharged and reset, and is convenient to overhaul and discharge; remote control, full automatization operation, degree of mechanization is high, unmanned construction in the pit reduces the construction risk.)

1. A drilling rig for excavating rectangular shafts, comprising a propulsion system (5), characterized in that: the propulsion system (5) is provided with a transverse sliding translation system (2), and the translation system (2) is provided with a longitudinal swinging excavation system (1).

2. The drilling machine for excavating the rectangular shaft according to claim 1, wherein: the excavation system (1) comprises a milling and excavating head (101), a working arm (102) and a swing arm oil cylinder (103), wherein the milling and excavating head (101) is installed at the front end of the working arm (102), the rear end of the working arm (102) is hinged to a translation box body (202) of the translation system (2), one end of the swing arm oil cylinder (103) is hinged to the translation box body (202), and the other end of the swing arm oil cylinder (103) is hinged to the working arm (102).

3. The drilling machine for excavating the rectangular shaft according to claim 2, wherein: two milling and digging heads (101) which are symmetrical left and right are arranged at the front end of the working arm (102).

4. A drilling rig for excavating a rectangular shaft according to claim 1, 2 or 3, wherein: translation system (2) include fixed platform (201), translation box (202) and translation hydro-cylinder (203), fixed platform (201) are connected with propulsion system (5), translation box (202) slide to be established on fixed platform (201), the one end and the fixed platform (201) of translation hydro-cylinder (203) are articulated, the other end and the translation box (202) of translation hydro-cylinder (203) are articulated, translation box (202) are connected with excavation system (1).

5. The drilling machine for excavating the rectangular shaft according to claim 1, wherein: the slurry digging device is characterized by further comprising a slag discharging system (3), wherein the slag discharging system (3) comprises a slurry suction pipe (301), a slurry separation box (302) and a hanging bucket (303), the slurry suction pipe (301) extends to the digging system (1), the slurry suction pipe (301) is communicated with the slurry separation box (302), and a slag outlet is formed in the slurry separation box (302).

6. the drilling machine for excavating the rectangular shaft according to claim 5, wherein: the slag-slurry separation box (302) is positioned at the top of the propulsion system (4).

7. The drilling machine for excavating the rectangular shaft according to claim 1, wherein: propulsion system (4) including propping boots (401), slip sleeve (402), the stand (403) that slides, stabilizer (404) and propulsion cylinder (405), prop boots (401) and fix on slip sleeve (402), stabilizer (404) are fixed on the stand (403) that slides, it slides in setting up slip sleeve (402) to slide stand (403), the one end and the sleeve (402) that slide of propulsion cylinder (405) are articulated, the other end and the stand (403) that slides of propulsion cylinder (405) are articulated, the stand (403) that slides is connected with translation system (2).

8. The drilling machine for excavating the rectangular shaft according to claim 1, wherein: the device is characterized by further comprising a supporting system (5), wherein the supporting system (5) comprises a bottom pipe piece (501) with a rectangular cross section, a common pipe piece (502) and a pipe piece pressure lifting device (504) located on the ground, and a grouting opening (503) is formed in the common pipe piece (502).

9. The drilling machine for excavating the rectangular shaft according to claim 1, wherein: a crane is arranged on the ground.

Technical Field

The invention relates to shaft construction equipment, in particular to a drilling machine for excavating a rectangular shaft, which is particularly suitable for construction of rectangular slide-resistant piles, underground garages and the like.

Background

At present, the vertical shaft of mechanical excavation is mainly circular, so a full-automatic drilling machine capable of excavating the circular vertical shaft is proposed, for example, the invention patent application with the publication number of CN109630124A and the name of 'a vertical shaft tunneling machine by an open caisson method and a construction method thereof', provides circular vertical shaft tunneling equipment which can perform full-automatic operation, is unmanned underground construction, has high safety, synchronously performs excavation, slag discharging and supporting, has high construction efficiency, effectively controls over-under excavation and has high well forming precision.

However, in the fields of anti-slide piles, underground garages and other underground spaces, the rectangular vertical shaft has a high space utilization rate compared with a circular vertical shaft, the bending-resistant section coefficient of the rectangular section with the same area is larger than that of the circular section, and the application range of the rectangular vertical shaft is wider than that of the circular vertical shaft. The existing circular shaft tunneling equipment cannot be suitable for rectangular section excavation.

Disclosure of Invention

The invention provides a drilling machine for excavating a rectangular vertical shaft, which solves the problem that the existing circular vertical shaft excavating equipment is not suitable for rectangular section excavation.

The technical scheme of the invention is realized as follows: the drilling machine for excavating the rectangular vertical shaft comprises a propulsion system, wherein a transverse sliding translation system is arranged on the propulsion system, and a longitudinal swinging excavation system is arranged on the translation system.

the excavation system comprises a milling and excavating head, a working arm and a swing arm oil cylinder, wherein the milling and excavating head is installed at the front end of the working arm, the rear end of the working arm is hinged with a translation box body of the translation system, one end of the swing arm oil cylinder is hinged with the translation box body, and the other end of the swing arm oil cylinder is hinged with the working arm.

the front end of the working arm is provided with two milling and digging heads which are symmetrical left and right.

The translation system comprises a fixed platform, a translation box body and a translation oil cylinder, the fixed platform is connected with the propulsion system, the translation box body is arranged on the fixed platform in a sliding mode, one end of the translation oil cylinder is hinged to the fixed platform, the other end of the translation oil cylinder is hinged to the translation box body, and the translation box body is connected with the excavation system.

Still include the slag discharging system, the slag discharging system is including inhaling thick liquid pipe, sediment thick liquid separator box and well-bucket, inhales thick liquid pipe and extends excavation system department, inhales thick liquid pipe and sediment thick liquid separator box intercommunication, is equipped with the slag notch on the sediment thick liquid separator box.

The slurry separation tank is positioned at the top of the propulsion system.

The propulsion system comprises a support shoe, a sliding sleeve, a sliding upright post, a stabilizer and a propulsion oil cylinder, the support shoe is fixed on the sliding sleeve, the stabilizer is fixed on the sliding upright post, the sliding upright post is arranged in the sliding sleeve in a sliding mode, one end of the propulsion oil cylinder is hinged to the sliding sleeve, the other end of the propulsion oil cylinder is hinged to the sliding upright post, and the sliding upright post is connected with the translation system.

The supporting shoe comprises a supporting shoe box body, a supporting shoe oil cylinder and a supporting shoe seat, the supporting shoe seat is fixed on the sliding sleeve, the supporting shoe box body is arranged in the supporting shoe seat in a sliding mode, one end of the supporting shoe oil cylinder is hinged to the supporting shoe box body, and the other end of the supporting shoe oil cylinder is hinged to the supporting shoe seat.

The stabilizer comprises a stabilizer box body, a stabilizer oil cylinder and a stabilizer seat, the stabilizer seat is fixed on the sliding stand column, the stabilizer box body is arranged in the stabilizer seat in a sliding mode, one end of the stabilizer oil cylinder is hinged to the stabilizer box body, and the other end of the stabilizer oil cylinder is hinged to the stabilizer seat.

The device also comprises a supporting system, wherein the supporting system comprises a bottom pipe piece and a common pipe piece which are positioned in the shaft and have rectangular sections, and a pipe piece pressure lifting device which is positioned on the ground, and a grouting opening is formed in the common pipe piece.

A crane is arranged on the ground.

The invention has the following beneficial results:

1. The soil layer, the broken rock layer, the hard rock and the water-rich stratum can be applied, and the adaptability is wide;

2. Covering and tunneling a rectangular full section;

3. The excavation, the slag discharge and the support are synchronously carried out, so that the construction efficiency is high;

4. The overbreak and underexcavation are effectively controlled, the well-making precision is controlled, and the construction quality is ensured;

5. The equipment can be rapidly discharged from the well and reset, and is convenient to overhaul and discharge from the well.

6. Remote control, full automatization operation, degree of mechanization is high, unmanned construction in the pit reduces the construction risk.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a view from the direction B-B of fig. 1.

Fig. 3 is a view from a-a of fig. 1.

in the figure: 1-an excavation system, 101-a milling and excavating head, 102-a working arm and 103-a swing arm oil cylinder; 2-a translation system, 201-a fixed platform, 202-a translation box body and 203-a translation oil cylinder; 3-a slag discharging system, 301-a slurry suction pipe, 302-a slag-slurry separation box and 303-a bucket; 4-propulsion system, 401-supporting shoes, 4011-supporting shoe box, 4012-supporting shoe oil cylinder, 4013-supporting shoe base, 402-sliding sleeve, 403-sliding upright post, 404-stabilizer, 4041-stabilizer box, 4042-stabilizer oil cylinder, 4043-stabilizer base, 405-propulsion oil cylinder; 5-support system, 501-bottom pipe piece, 502-common pipe piece, 503-grouting opening, 504-pipe piece pressure lifting device.

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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1 to 3, a drilling machine for excavating a rectangular shaft comprises an excavating system 1, a translation system 2, a slag tapping system 3, a propulsion system 4 and a support system 5. The excavation system realizes the tunneling of the vertical shaft on the longitudinal surface through the swinging mode of the excavation device. The excavation system is arranged on the translation system, the translation system is transversely arranged on the propulsion system in a sliding mode, the translation system drives the excavation system to transversely slide, and the longitudinal and transverse combination is used for achieving full coverage of the rectangular section. The slag discharging system is used for sending the excavated dregs out of the vertical shaft. The propulsion system provides propulsion and supporting force for the front end excavation and translation system, and continuous forward tunneling is achieved. The supporting system supports the well wall in time, and construction safety and stability are guaranteed. The drilling machine is suitable for the operation of a rectangular vertical shaft and the tunneling of a horizontal tunnel. The following description is mainly made in terms of a shaft.

The excavation system 1 comprises milling and excavating heads 101, a working arm 102 and a swing arm oil cylinder 103, wherein the milling and excavating heads 101 are installed at the front end of the working arm 102, the two milling and excavating heads 101 are arranged in bilateral symmetry and directly excavate rock soil, and cutting teeth can be replaced by cutting teeth or hobbing cutters suitable for hard strata according to different geological conditions. The rear end of the working arm 102 is hinged with a translation box 202 of the translation system 2, one end of the swing arm oil cylinder 103 is hinged with the translation box 202, and the other end of the swing arm oil cylinder 103 is hinged with the working arm 102. The swinging angle of the working arm is controlled by the stretching of the swinging arm oil cylinder, so that the excavation of a longitudinal surface is realized. One or two working arms can be selected for excavating according to different excavation sections.

The translation system 2 comprises a fixed platform 201, a translation box 202 and a translation oil cylinder 203, the fixed platform 201 is connected with a sliding upright 403 of the propulsion system 5, the translation box 202 is arranged on the fixed platform 201 in a sliding mode, one end of the translation oil cylinder 203 is hinged to the fixed platform 201, and the other end of the translation oil cylinder 203 is hinged to the translation box 202. Through the stretching of translation hydro-cylinder, control excavation system lateral shifting combines together with the longitudinal oscillation of excavation system, realizes the full section of rectangle and covers.

slag discharging system 3 includes inhales thick liquid pipe 301, sediment thick liquid separator box 302 and well-bucket 303, inhales thick liquid pipe 301 and extends excavation system 1's milling head 101 department, and sediment thick liquid separator box 302 is located propulsion system 4's slip sleeve 402 top, inhales thick liquid pipe 301 and sediment thick liquid separator box 302 intercommunication, inhales the sediment thick liquid separator box with the dregs that excavate down, is equipped with the slag notch on the sediment thick liquid separator box 302, and the dregs after the separation fall into well-bucket 303 in, then promotes to the well outside again. According to different working conditions, the method of vacuum slag discharge, slurry pumping, gas lift reverse circulation, grab bucket grabbing and the like can be adopted for slag discharge.

The propulsion system 4 comprises a supporting shoe 401, a sliding sleeve 402, a sliding upright 403, a stabilizer 404 and a propulsion oil cylinder 405, the supporting shoe 401 is fixed on the sliding sleeve 402, the stabilizer 404 is fixed on the sliding upright 403, the sliding upright 403 is slidably arranged in the sliding sleeve 402, one end of the propulsion oil cylinder 405 is hinged to the sliding sleeve 402, the other end of the propulsion oil cylinder 405 is hinged to the sliding upright 403, and the sliding upright 403 is connected with the translation system 2. When the tunnel is tunneled downwards, the supporting shoes and the stabilizer are tightly supported on the common duct piece, the propulsion oil cylinder provides propulsion, the stabilizer follows up to stabilize the cutter head, after each excavation stroke, the supporting shoes are retracted, and the propulsion oil cylinder 405 drives the supporting shoes to fall down to realize step changing.

Prop boots 401 including propping boots box 4011, prop boots hydro-cylinder 4012 and prop boots seat 4013, prop boots seat 4013 and fix on sliding sleeve 402, prop boots box 4011 and slide and set up in propping boots seat 4013, prop boots hydro-cylinder 4012's one end and prop boots box 4011 articulated, prop boots hydro-cylinder 4012's the other end and prop boots seat 4013 articulated.

The stabilizer 404 comprises a stabilizer box 4041, a stabilizer cylinder 4042 and a stabilizer base 4043, the stabilizer base 4043 is fixed on the sliding upright post 403, the stabilizer box 4041 is slidably arranged in the stabilizer base 4043, one end of the stabilizer cylinder 4042 is hinged with the stabilizer box 4041, and the other end of the stabilizer cylinder 4042 is hinged with the stabilizer base 4043.

The support system 5 comprises a bottom pipe piece 501 and a common pipe piece 502 which are located in a shaft well and have rectangular cross sections, and a pipe piece pressure lifting device 504 which is located on the ground, wherein a grouting port 503 is formed in the common pipe piece 502, the frictional resistance between the pipe piece and the ground layer can be reduced through grouting, the pipe piece pressure lifting device 504 is connected with the common pipe piece 502 through a pin shaft, the sedimentation speed of the pipe piece is controlled, and when the pipe piece sinks unsmoothly, the pressure can be applied to the pipe piece pressure lifting device 504, so that the pipe piece sinks smoothly. The supporting system comprises but is not limited to prefabricated pipe joints, cast-in-place concrete, steel pipe pieces and the like, and similarly, the pipe piece lifting mechanism can also adopt the forms of a steel strand lifting device, an auxiliary pressurizing mechanism and the like. If a self-stabilizing stratum is encountered, the supporting shoes and the stabilizer are directly and tightly supported on the excavated well wall without supporting.

A crane can be additionally arranged on the ground. When the segment lifting and pressing device reaches one stroke every time, the supporting shoes and the stabilizer are retracted, equipment is lifted by a crane to prevent the equipment from deflecting, then the segment is placed by the segment lifting and pressing device, then the supporting shoes and the stabilizer are tightly supported on the segment, and the next circulation is continued.

After the deviation of the well wall is found through the monitoring of the guiding system, the milling and digging head is utilized to carry out super-underdigging, and meanwhile, the deviation can be corrected by matching with a segment pressure lifting device. During maintenance, the supporting shoes and the stabilizer can be retracted, the working arm is arranged in the middle, and the whole device is lifted out for maintenance. And after the maintenance is finished, the supporting boots and the stabilizer are extended out, and the tunneling is continued.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.