CN114033385A - Shaft boring machine and shaft boring method - Google Patents
Shaft boring machine and shaft boring method Download PDFInfo
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- CN114033385A CN114033385A CN202111319854.2A CN202111319854A CN114033385A CN 114033385 A CN114033385 A CN 114033385A CN 202111319854 A CN202111319854 A CN 202111319854A CN 114033385 A CN114033385 A CN 114033385A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000009412 basement excavation Methods 0.000 claims abstract description 131
- 238000013519 translation Methods 0.000 claims abstract description 11
- 239000011435 rock Substances 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 230000005641 tunneling Effects 0.000 description 10
- 238000010276 construction Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 238000005422 blasting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
- E21D1/06—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws with shaft-boring cutters
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- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention provides a shaft boring machine and a shaft boring method, wherein the shaft boring machine comprises: support body, excavation unit, supporting mechanism and traveling system, the excavation unit install in traveling system, traveling system install in the support body, traveling system can drive the translation of excavation unit is in order to excavate the shaft, supporting mechanism with the support body is connected in order to support the support body provides the excavation counter-force. By the method, the technical problem that excavation operation of a vertical shaft with a large section is difficult is solved.
Description
Technical Field
The invention relates to the technical field of shaft tunneling, in particular to a shaft tunneling machine and a shaft tunneling method.
Background
The vertical shaft construction has important effects in the fields of underground parking lots, shield starting shafts, ventilation shafts, urban drainage shafts and the like. At present, shaft excavation is mainly constructed by a drilling and blasting method, the defects of complex working procedures, large construction workload and the like exist, and a plurality of problems are faced in the aspects of environment, safety, construction period and the like. The equipment such as a raise boring machine, a vertical shaft boring machine and the like can be used for vertical shaft excavation, but the use condition is more limited, and the excavation diameter is generally not more than 7 m. The shaft heading machine can be applied to the field of shafts, but is limited by a digging rotary unit, and the currently applicable maximum digging diameter is generally about 15 m. Large diameter shafts currently do not have suitable mechanized excavation equipment. The shaft heading machine usually adopts rotary driving to enable an excavation device to cover an excavation circumferential surface, the rotary structure is complex, the rotary structure needs to be correspondingly increased along with the increase of the diameter of an excavation hole, the manufacturing difficulty and the cost of structures such as a main bearing, a driving box body and the like are high, the structure is complex, and a large amount of cost and time can be spent on equipment transportation and dismounting machines. Therefore, the excavation operation of the vertical shaft with a larger section has great difficulty at present.
Disclosure of Invention
The invention aims to provide a vertical shaft tunneling machine and a vertical shaft tunneling method, which are used for relieving the technical problem of great difficulty in excavation operation of a vertical shaft with a large section.
The above object of the present invention can be achieved by the following technical solutions:
the invention provides a shaft boring machine, comprising: support body, excavation unit, supporting mechanism and traveling system, the excavation unit install in traveling system, traveling system install in the support body, traveling system can drive the translation of excavation unit is in order to excavate the shaft, supporting mechanism with the support body is connected in order to support the support body provides the excavation counter-force.
In a preferred embodiment, the supporting mechanism comprises a horizontal supporting shoe and a vertical supporting device, the horizontal supporting shoe is installed on the frame body and can be extended to be tightly supported on the wall of the vertical shaft well, the vertical supporting device is installed on the frame body and is used for supporting the vertical supporting device at the bottom of the well, and the vertical supporting device can stretch out and draw back.
In a preferred embodiment, the horizontal supporting shoe comprises a supporting oil cylinder and a supporting shoe installed on the supporting oil cylinder, and the supporting oil cylinder is installed on the frame body; a plurality of the horizontal supporting shoes are distributed around the frame body.
In a preferred embodiment, the vertical supporting device comprises an outer supporting frame, a supporting oil cylinder, supporting legs and a bottom plate, the outer supporting frame is fixedly connected to the bottom of the frame body, the supporting oil cylinder is installed in the outer supporting frame, the supporting legs are installed in the supporting oil cylinder, and the bottom plate is installed at the lower ends of the supporting legs.
In a preferred embodiment, the frame body includes an outer frame body and one or more inner frame bodies, the inner frame body is detachably mounted to the outer frame body, the supporting mechanism is connected to the outer frame body, and the traveling system is mounted to the inner frame body.
In a preferred embodiment, the traveling system includes a traveling vehicle body to which the excavation unit is mounted, and a first driving mechanism capable of driving the traveling vehicle body to move in a horizontal direction with respect to the frame body.
In a preferred embodiment, the traveling system comprises a traveling frame, a frame rail and a second driving mechanism, the traveling frame is provided with the frame rail, the traveling vehicle body is mounted on the frame rail, the frame rail is mounted on the frame, the frame rail is perpendicular to the frame rail, the traveling frame is mounted on the frame rail, and the second driving mechanism can drive the traveling frame to move along the frame rail.
In a preferred embodiment, the excavation unit comprises a revolving frame, a telescopic arm, a swing oil cylinder and an excavation tool, the excavation tool is mounted at the lower end of the telescopic arm, the upper end of the telescopic arm and the upper end of the swing oil cylinder are hinged to the revolving frame, and the lower end of the swing oil cylinder is hinged to the telescopic arm.
In a preferred embodiment, the shaft boring machine comprises a peripheral excavation unit mounted to the frame body and located outside the frame body.
The invention provides a shaft tunneling method, which adopts the shaft tunneling machine and comprises the following steps: the excavation unit cuts into the rock mass to a certain depth; the walking system drives the excavation unit to move horizontally to excavate the rock mass; the support mechanism enables the frame body to move downwards for a certain distance, and the excavation unit and the traveling system repeat excavation operation.
The invention has the characteristics and advantages that:
the support mechanism supports the frame body, so that the position of the frame body is kept stable; the excavation unit cuts into the rock mass to a certain depth, and the traveling system drives the excavation unit to translate, excavates the rock mass. This shaft entry driving machine, traveling system drive excavation unit translation, and the excavation unit is carried out while translating, makes the excavation scope of excavation unit not receive radius of gyration's restriction, and traveling system provides for the excavation unit and feeds driving force, can excavate the big section shaft, has improved excavation efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Figure 1 is a top plan view of one embodiment of a shaft boring machine according to the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
fig. 4 is a schematic structural view of another embodiment of the shaft boring machine provided by the present invention;
fig. 5 to 6 are schematic structural views of an outer frame body in the shaft boring machine shown in fig. 1;
fig. 7-8 are schematic structural views of an inner frame body, an excavation unit and a traveling system in the shaft boring machine shown in fig. 1;
fig. 9-10 are schematic structural views of another embodiment of the shaft boring machine provided by the invention.
The reference numbers illustrate:
10. a frame body; 1. an outer frame body; 2. an inner frame body; 24. an ear mount;
30. a traveling system;
22. a rack body rack; 23. a frame rail;
3. a traveling frame; 32. a second drive motor; 33. a second guide frame; 35. a frame traveling mechanism;
34. a frame rack; 36. a frame rail;
4. a traveling vehicle body; 42. a first guide frame; 43. a first drive motor; 44. vehicle body traveling mechanism
6. Excavating a unit;
61. a revolving frame; 62. a swing oil cylinder; 63. an outer telescopic frame; 64. a telescopic oil cylinder; 65. a slag suction device; 66. an inner telescopic frame; 67. excavating a cutter;
90. a support mechanism; 91. a pulling device; 92. a duct piece;
70. a horizontal support shoe; 7. tightly supporting the oil cylinder; 8. supporting the boot;
5. a vertical support device; 51. an outer support frame; 52. a support cylinder; 53. a support leg; 54. a base plate;
12. peripheral excavation units; 121. a translation mechanism.
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.
Scheme one
The present invention provides a shaft boring machine, as shown in fig. 1 to 3, comprising: support body 10, excavation unit 6, supporting mechanism 90 and traveling system 30, excavation unit 6 is installed in traveling system 30, and traveling system 30 installs in support body 10, and traveling system 30 can drive the translation of excavation unit 6 in order to excavate the shaft, and supporting mechanism 90 is connected in order to support body 10 and provide the excavation counter-force with support body 10.
The support mechanism 90 supports the frame body 10 to keep the position of the frame body 10 stable; the excavation unit 6 cuts into the rock mass to a certain depth, and the traveling system 30 drives the excavation unit 6 to move horizontally to excavate the rock mass. According to the shaft heading machine, the traveling system 30 drives the excavation unit 6 to move horizontally, the excavation unit 6 moves horizontally while excavating, the excavation range of the excavation unit 6 is not limited by the radius of gyration, the traveling system 30 provides feeding driving force for the excavation unit 6, a large-section shaft can be excavated, and the excavation efficiency is improved.
In one embodiment, the frame 10 includes an outer frame 1 and one or more inner frames 2, as shown in fig. 1 and 5 to 6, the inner frame 2 is detachably mounted to the outer frame 1, the supporting mechanism 90 is coupled to the outer frame 1, and the traveling system 30 is mounted to the inner frame 2. The form of the outer frame body 1 can be determined according to the shape of the excavation vertical shaft; the outer frame body 1 internally mounted inner frame body 2 positions and supports the inner frame body 2. When needs were maintained, if the circumstances that the environment is not suitable for maintenance in the pit appeared, can mention inner frame body 2 is whole through hoist mechanism, as shown in fig. 8, inner frame body 2 is provided with ear seat 24 to conveniently be mentioned. Preferably, the outer frame body 1 is formed by assembling a plurality of sections; the peripheral ear seat 24 that is provided with of outer support body 1 can adopt hoist mechanism to carry out the auxiliary suspension, reduces the adjustment degree of difficulty of equipment decline process.
In one embodiment, the supporting mechanism 90 includes a horizontal supporting shoe 70 and a vertical supporting device 5, the horizontal supporting shoe 70 is mounted on the frame body 10 and can be extended to be tightly supported on the wall of the shaft well, the vertical supporting device 5 is mounted on the frame body 10 and is used for being supported at the bottom of the shaft well, and the vertical supporting device 5 can be extended and retracted. The horizontal supporting shoe 70 comprises a supporting oil cylinder 7 and a supporting shoe 8 arranged on the supporting oil cylinder 7, and the supporting oil cylinder 7 is arranged on the frame body 10; a plurality of horizontal shoes 70 are distributed around the frame body 10. The vertical supporting device 5 comprises an outer supporting frame 51, a supporting oil cylinder 52, supporting legs 53 and a bottom plate 54, wherein the outer supporting frame 51 is fixedly connected to the bottom of the frame body 10, the supporting oil cylinder 52 is installed in the outer supporting frame 51, the supporting legs 53 are installed in the supporting oil cylinder 52, and the bottom plate 54 is installed at the lower ends of the supporting legs 53.
As shown in fig. 1 and fig. 5-6, a plurality of tightening cylinders 7 are installed on the side surface of the outer frame body 1, the end parts of the tightening cylinders 7 are connected with the tightening shoes 8, and the tightening shoes 8 tighten the wall of the hole by extending the tightening cylinders 7. A plurality of vertical supporting devices 5 are arranged on the lower portion of the outer frame body 1, and the outer frame body 1 is supported through the vertical supporting devices 5 which are pushed against the bottom of the excavation hole. The upper part of the outer support frame 51 is connected with the frame of the outer frame body 1, a support oil cylinder 52 is arranged in the outer support frame, the other end of the support oil cylinder 52 is connected with a support leg 53, the support leg 53 slides in the outer support frame 51 under the pushing of the support oil cylinder 52, and a bottom plate 54 is tightly supported on the wall of the hole. When the device works, the supporting oil cylinder 7 extends out, the supporting shoes 8 support the wall of the hole, the device is stabilized, and working counter force is provided. The supporting oil cylinder 52 extends out, and the bottom plate 54 supports the bottom of the hole tightly to assist in supporting the weight of the whole machine.
The horizontal supporting shoes 70 are not limited to be arranged in the horizontal direction, and the extending and retracting direction of the supporting cylinder 7 may be provided with an angle with respect to the horizontal direction. The vertical supporting means 5 is not limited to be arranged in the vertical direction, and the telescopic direction of the supporting cylinder 52 may be set at an angle with respect to the vertical direction.
The structural form of the support mechanism 90 is not limited to one. As another embodiment, in the case where the excavated shaft is provided with the duct piece 92, the horizontal support shoes 70 may be eliminated, as shown in fig. 4, and the outer frame body 1 may be coupled to the duct piece 92. After excavation is completed by one cycle, the duct piece 92 is synchronously lowered by the lifting device 91 by one stroke, the frame body 10 is synchronously lowered along with the duct piece 92, and a new excavation cycle is started after the frame body is lowered to the position.
In one embodiment, the traveling system 30 includes a traveling vehicle body 4 and a first driving mechanism, the excavation unit 6 is mounted on the traveling vehicle body 4, the first driving mechanism can drive the traveling vehicle body 4 to move in a horizontal direction relative to the frame body 10, and the excavation unit 6 moves horizontally along with the traveling vehicle body 4 and excavates a rock mass
Further, the traveling system 30 includes a traveling frame 3, a frame rail 23 and a second driving mechanism, the traveling frame 3 is provided with a frame rail 36, and the traveling vehicle body 4 is mounted on the frame rail 36; the frame rail 23 is mounted on the frame 10, the frame rail 36 is perpendicular to the frame rail 23, the traveling frame 3 is mounted on the frame rail 23, and the second driving mechanism can drive the traveling frame 3 to move along the frame rail 23.
Specifically, the inner frame 2 is internally provided with a traveling carriage 3, and the traveling carriage 3 can move in the frame rail 23. The traveling vehicle body 4 is mounted inside the traveling vehicle body 3, and the traveling vehicle body 4 can move on the vehicle body rails 36. The lower part of the walking vehicle body 4 is provided with an excavation unit 6, and the excavation unit 6 can fully cover the excavation surface through the movement of the walking vehicle frame 3 and the walking vehicle body 4.
In one embodiment, the first drive mechanism includes the carriage rack 34 and the first drive motor 43, and the second drive mechanism includes the carriage rack 22 and the first drive motor 43. As shown in fig. 3 and fig. 7 to 8, the traveling vehicle body 4 is mounted with a first guide frame 42, a first drive motor 43, and a vehicle body traveling mechanism 44; the traveling carriage 3 is provided with a carriage rack 34 and a carriage rail 36. The traveling vehicle body 4 moves on the frame rack 34 by the first drive motor 43, and the deviation of the linear movement direction is avoided by the first guide frame 42; while the vehicle body running gear 44 moves within the frame rails 36, the vehicle body running gear 44 may be in the form of wheel sets or in the form of skid rails. The second guide frame 33, the second drive motor 32, and the frame traveling mechanism 35 are mounted on the traveling frame 3. The inner frame body 2 is provided with a frame body rail 23 and a frame body rack 22. The traveling carriage 3 is driven by a second driving motor 32 to move on the carriage rack 22, and the deviation of the linear moving direction is avoided by a second guide frame 33; meanwhile, the frame traveling mechanism 35 moves within the frame rail 23, and the frame traveling mechanism 35 may be in a wheel pair form or a slide rail form.
In one embodiment, the excavation unit 6 comprises a revolving frame 61, a telescopic boom, a swing cylinder 62 and an excavation tool 67, the excavation tool 67 is mounted at the lower end of the telescopic boom, the upper end of the telescopic boom and the upper end of the swing cylinder 62 are both hinged to the revolving frame 61, and the lower end of the swing cylinder 62 is hinged to the telescopic boom. The telescopic arm realizes the integral movement through the walking frame 3 and the walking vehicle body 4; the adjustment of local position is realized through the swing oil cylinder 62, and the adjustment of excavation depth is realized through the extension and retraction of the telescopic arm; the excavation unit 6 can rotate along with the rotating frame 61, and the positions of a well wall, an edge and the like can be processed by matching with the telescopic arm and the swing oil cylinder 62.
The telescopic boom is internally provided with a telescopic oil cylinder 64 for realizing telescopic movement, as shown in fig. 2, the telescopic boom comprises an outer telescopic frame 63, a telescopic oil cylinder 64 and an inner telescopic frame 66, the telescopic oil cylinder 64 is installed in the outer telescopic frame 63, the inner telescopic frame 66 is connected to the telescopic oil cylinder 64, and an excavation tool 67 is installed on the inner telescopic frame 66. As shown in fig. 4, 7 and 8, a swing frame 61 is attached to a lower portion of the traveling vehicle body 4, a telescopic arm and a swing cylinder 62 are attached to a lower portion of the swing frame 61, and the telescopic arm swings by extending and contracting the swing cylinder 62. The front end of the telescopic arm is provided with an excavation cutter 67; the excavation unit 6 is driven to rotate by a built-in motor or motor. The excavation cutter 67 cuts into the rock mass at the bottom of the hole to a certain depth along with the extension of the swing oil cylinder 62; the walking vehicle body 4 walks longitudinally along the walking vehicle frame 3 to realize rock stratum excavation of a linear track; the traveling frame 3 moves transversely to the starting point of the next track line on the inner frame body 2, and the traveling vehicle body 4 performs longitudinal cutting again along the traveling frame 3, and the process is circulated until one layer of excavation of the current section is completed.
After the excavation unit 6 circularly excavates a certain depth, the telescopic oil cylinder 64 is retracted, and the excavation tool 67 and the cutter head leave a space with the excavation ground; at the moment, the supporting oil cylinder 7 is recovered to enable the supporting shoe 8 to be separated from the hole wall; then, the supporting oil cylinder 52 retracts slowly to drive the whole machine to move downwards for a certain stroke; after moving downwards to the right position, the supporting oil cylinder 7 extends out to enable the supporting shoe 8 to support the wall of the hole tightly; the excavation unit 6 cuts into the rock mass again and the next cycle of operation is started.
The excavated rock slag can be discharged to the upper part through a pipeline after being absorbed by the slag absorbing device 65 arranged on the excavation unit 6, and the rock slag can also be directly grabbed by a grab bucket and then discharged out of the hole.
As shown in fig. 1, 9 and 10, the shape of the outer frame body 1 may be determined according to the diameter of the excavated hole, and may be circular or rectangular. The number of the inner frame bodies 2 can be determined according to the size of the excavated hole diameter, and different arrangement modes and numbers can be selected according to the shape and the size of the vertical shaft. In consideration of excavation efficiency, 2 sets of excavation units 6 may be installed on one traveling vehicle body 4. When only one inner frame body 2 is arranged, an excavation range of about 5m-20m can be met; when the excavation hole diameter is increased again, a plurality of inner frame body 2 units can be arranged in consideration of the rigidity of the structural frame body 10, and the current excavation range of about 20-60m can be covered. The number of the inner frame body 2, the excavation units 6 and the traveling systems 30 mounted on the inner frame body 2 is increased, so that the excavation size of the vertical shaft can be further increased.
In one embodiment, the shaft boring machine includes a peripheral excavation unit 12, the peripheral excavation unit 12 is mounted to the frame 10 and located outside the frame 10, and the peripheral excavation unit 12 may excavate an area not covered by the frame 10. As shown in fig. 9, in a large circular application scenario, if the inner frame body 2 cannot cover the peripheral area, the large circular area is fully covered by adding a plurality of sets of peripheral excavation units 12 on the periphery. The peripheral excavation units 12 may have substantially the same structure as the excavation units 6. Further, peripheral excavation unit 12 is installed in support body 10 through translation mechanism 121, and translation mechanism 121 can drive peripheral excavation unit 12 along the direction translation that is parallel with the walking direction of walking frame 3, and translation mechanism 121 drives peripheral excavation unit 12 translation and excavates in order to excavate the rock mass to increase excavation coverage.
The vertical shaft heading machine has the following advantages: (1) the transverse and longitudinal movement of the excavation units 6 is realized by adopting a mode of combining the traveling frame 3 and the traveling vehicle body 4, the full coverage of an excavation area is realized, the structure is simple, and a large excavation range can be covered by a single excavation unit 6; (2) the combination of a plurality of groups of inner frame bodies 2, a plurality of walking systems 30 and a plurality of excavation units 6 can be adopted to realize the excavation of the oversized cross section; by combination, the device can adapt to different vertical shaft shapes such as rectangle and circle, and can realize the excavation of oversized cross sections with different cross section shapes; (3) the supporting shoes 8 can be tightly supported on the wall of the hole and matched with the vertical supporting devices 5 to move downwards, the whole machine can tightly support the wall of the hole through the supporting shoes 8, the equipment is stabilized and the tunneling counter force of the equipment is provided, the supporting shoes 8 are retracted when the step is changed, and the vertical supporting devices 5 are retracted to move downwards; (4) when a plurality of groups of excavation frame body 10 units are designed, the vertical supporting devices 5 tightly support the bottom of a hole, the rigidity of equipment is improved, the frame body 10 is divided into a plurality of areas as shown in figure 1, and each excavation unit 6 is separated for operation; (5) the whole machine can be matched with the operation of an open caisson construction method, the outer frame body 1 of the whole machine is connected with the duct piece 92, and the duct piece 92 is lowered through the lifting device 91 to drive the whole machine to move downwards; (6) the whole machine adopts a frame structure, the inner frame body 2, the traveling system 30 and the excavation unit 6 can respectively adopt a modular design, the inner frame body 2, the traveling system 30 and the excavation unit 6 can form a combined module, the whole machine is simpler, the transportation and assembly links are more convenient, and the equipment cost and the equipment installation time are saved; (7) the posture of the whole machine can be adjusted by the aid of the lifting mechanism.
Scheme two
The invention provides a shaft tunneling method, which adopts the shaft tunneling machine and comprises the following steps: the excavation unit 6 cuts into the rock mass to a certain depth; the traveling system 30 drives the excavation unit 6 to move horizontally to excavate the rock mass; the support mechanism 90 moves the frame 10 downward by a distance, and the excavation unit 6 and the traveling system 30 repeat the excavation operation.
According to the shaft excavation method, the traveling system 30 drives the excavation unit 6 to move horizontally, the excavation unit 6 performs excavation while moving horizontally, the excavation range of the excavation unit 6 is not limited by the radius of gyration, the traveling system 30 provides a feeding driving force for the excavation unit 6, large-section shafts can be excavated, and the excavation efficiency is improved.
In one embodiment of the invention, the excavation unit 6 cuts into the hole bed rock mass to a certain depth; the traveling system 30 drives the excavation unit 6 to move horizontally to excavate the rock stratum; after the excavation unit 6 excavates a certain depth, the supporting mechanism 90 drives the whole machine to move downwards by a certain stroke; after moving down to the right position, the excavation unit 6 cuts into the rock mass again, and the next cycle operation is started.
The above description is only a few embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.
Claims (10)
1. A shaft boring machine, comprising: support body, excavation unit, supporting mechanism and traveling system, the excavation unit install in traveling system, traveling system install in the support body, traveling system can drive the translation of excavation unit is in order to excavate the shaft, supporting mechanism with the support body is connected in order to support the support body provides the excavation counter-force.
2. A shaft boring machine according to claim 1, wherein the support mechanism comprises a horizontal shoe and a vertical support means, the horizontal shoe is mounted to the frame and can be extended to be braced against the shaft wall, the vertical support means is mounted to the frame and is adapted to be supported at the bottom of the shaft, and the vertical support means is retractable.
3. The shaft boring machine according to claim 2, wherein the horizontal support shoe comprises a tightening cylinder and a support shoe mounted to the tightening cylinder, the tightening cylinder being mounted to the frame; a plurality of the horizontal supporting shoes are distributed around the frame body.
4. The shaft boring machine according to claim 2, wherein the vertical support means comprises an outer support frame, a support cylinder, support legs and a bottom plate, the outer support frame is fixedly connected to the bottom of the frame body, the support cylinder is mounted in the outer support frame, the support legs are mounted in the support cylinder, and the bottom plate is mounted at the lower ends of the support legs.
5. A shaft boring machine according to claim 1, wherein the frame includes an outer frame and one or more inner frames, the inner frames being detachably mounted to the outer frame, the support mechanism being connected to the outer frame, the traveling system being mounted to the inner frames.
6. A shaft boring machine according to claim 1, wherein the travelling system comprises a travelling vehicle body to which the excavation unit is mounted and a first drive mechanism capable of driving the travelling vehicle body to move horizontally relative to the frame body.
7. A shaft boring machine according to claim 6, wherein the traveling system comprises a traveling carriage, a frame rail and a second driving mechanism, the traveling carriage is provided with the frame rail, the traveling vehicle body is mounted on the frame rail, the frame rail is mounted on the frame body, the frame rail is perpendicular to the frame rail, the traveling carriage is mounted on the frame rail, and the second driving mechanism can drive the traveling carriage to move along the frame rail.
8. The shaft boring machine of claim 1, wherein the excavation unit comprises a revolving frame, a telescopic arm, a swing cylinder and an excavation tool, the excavation tool is mounted at the lower end of the telescopic arm, the upper end of the telescopic arm and the upper end of the swing cylinder are both hinged to the revolving frame, and the lower end of the swing cylinder is hinged to the telescopic arm.
9. A shaft boring machine according to claim 1, comprising a peripheral excavation unit mounted to the frame and located outside the frame.
10. A shaft boring method using the shaft boring machine according to any one of claims 1 to 9, comprising: the excavation unit cuts into the rock mass to a certain depth; the walking system drives the excavation unit to move horizontally to excavate the rock mass; the support mechanism enables the frame body to move downwards for a certain distance, and the excavation unit and the traveling system repeat excavation operation.
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| CN202111319854.2A CN114033385A (en) | 2021-11-09 | 2021-11-09 | Shaft boring machine and shaft boring method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977645A (en) * | 2023-02-15 | 2023-04-18 | 中国建筑西南勘察设计研究院有限公司 | Rectangular track type vertical shaft drilling equipment |
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| CN114033383A (en) * | 2021-11-09 | 2022-02-11 | 中铁工程装备集团有限公司 | Open caisson heading machine, open caisson heading system and heading method of special-shaped section open caisson |
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| CN214577006U (en) * | 2021-01-25 | 2021-11-02 | 中信重工机械股份有限公司 | Telescopic revolution frame for ultra-large diameter full-section shaft drilling machine |
| CN114033383A (en) * | 2021-11-09 | 2022-02-11 | 中铁工程装备集团有限公司 | Open caisson heading machine, open caisson heading system and heading method of special-shaped section open caisson |
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| CN115977645A (en) * | 2023-02-15 | 2023-04-18 | 中国建筑西南勘察设计研究院有限公司 | Rectangular track type vertical shaft drilling equipment |
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