CN114592877A - Excavation rack equipment suitable for multiple excavation methods of tunnel - Google Patents
Excavation rack equipment suitable for multiple excavation methods of tunnel Download PDFInfo
- Publication number
- CN114592877A CN114592877A CN202210132130.5A CN202210132130A CN114592877A CN 114592877 A CN114592877 A CN 114592877A CN 202210132130 A CN202210132130 A CN 202210132130A CN 114592877 A CN114592877 A CN 114592877A
- Authority
- CN
- China
- Prior art keywords
- excavation
- support frame
- frame
- groove
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009412 basement excavation Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 63
- 238000010276 construction Methods 0.000 abstract description 20
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 238000005422 blasting Methods 0.000 abstract description 6
- 238000005553 drilling Methods 0.000 abstract description 6
- 239000002689 soil Substances 0.000 description 19
- 239000011435 rock Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/122—Working or loading platforms
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses an excavation rack device suitable for various excavation methods of a tunnel, which comprises: the first support frame is provided with a crawler wheel, the front end of the first support frame is provided with a socket joint gap, and the socket joint gap and the first through groove are arranged in the same direction; the second bedplate is movably inserted into the socket joint gap, and a driving chain for driving the second bedplate to extend to the outer side of the front end of the first supporting frame is arranged in the socket joint gap; and the second support frame is detachably arranged at the top of the first support frame, a plurality of layers of third bedplate are respectively arranged at two opposite sides of the second support frame, a second through groove is formed at the lower part of the second support frame, and the second through groove and the first through groove are arranged in the same direction. The method solves the problems that when various construction methods for excavating tunnels by a drilling and blasting method are converted, the replacement time of rack conversion corresponding to different construction methods is long and the construction period is influenced.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to an excavation rack device suitable for multiple excavation methods of tunnels.
Background
At present, the drilling and blasting method excavation is the mainstream of mountain tunnel construction, and the traditional construction mode that the excavation rack assists manual work and cooperates with the air-leg rock drill excavation is the mainstream of tunnel drilling and blasting method excavation at present. However, in the tunnel excavation process, the situation of alternate construction at different surrounding rock levels is often encountered, construction method conversion is necessarily involved, an excavation rack is often required to be converted and reprocessed according to construction methods corresponding to different surrounding rock conditions, an old excavation rack is cut and transported out of a hole, the time spent on replacing machining or cutting the rack in the process is long, the whole construction period is influenced, and production data are wasted.
Disclosure of Invention
In order to overcome the defects in the prior art, the excavation rack equipment suitable for multiple excavation methods of the tunnel is provided so as to solve the problems that when the multiple construction methods of excavation tunnel construction by a drilling and blasting method are converted, the replacement time is long and the construction period is influenced due to the conversion of racks corresponding to different construction methods.
In order to achieve the above object, there is provided an excavation bench device suitable for a plurality of excavation methods of a tunnel, comprising:
the device comprises a first support frame, wherein two opposite sides of the first support frame are respectively provided with a plurality of layers of first platens, a first through groove is formed in the lower part of the first support frame, the first support frame is provided with a track wheel, a socket joint gap is formed in the front end of the first support frame, and the socket joint gap and the first through groove are arranged in the same direction;
the second bedplate is movably inserted into the socket joint gap, and a driving chain for driving the second bedplate to extend to the outer side of the front end of the first supporting frame is installed in the socket joint gap; and
the second supporting frame is detachably mounted at the top of the first supporting frame, multiple layers of third bedplate are mounted on two opposite sides of the second supporting frame respectively, a second through groove is formed in the lower portion of the second supporting frame, and the second through groove and the first through groove are arranged in the same direction.
Furthermore, the bottom of the second platen is connected with two opposite supporting plates, a plurality of chain wheels arranged on the inner sides of the two supporting plates are rotatably arranged in the socket joint gap, the chain wheels are arranged along the length direction of the first supporting frame, the two chain wheels are sleeved with the chain and connected to the inner sides of the supporting plates, the first supporting frame is provided with a motor, and the output end of the motor is coaxially connected to the chain wheels.
Further, the first platen includes:
the length of each of the plurality of cantilever rods is adjustable, the cantilever rods are connected to the outer side of the first support frame, and the plurality of cantilever rods are arranged at intervals along the length direction of the first support frame; and
and the bearing plate is laid on the plurality of cantilever rods.
Furthermore, a connecting rod is connected between two adjacent cantilever rods.
Further, the cantilever bar includes:
the sleeve is fixedly arranged on the outer side of the first support frame; and
the inserting rod is movably inserted in the sleeve.
Further, the first support frame includes:
the two first frame bodies are vertically arranged and are oppositely arranged, and the first bedplate is connected to the outer sides of the first frame bodies; and
the second support body that sets up along the horizontal direction connects in two between the top of first support body, be formed with between the second support body the socket joint gap, second support body and two enclose between the first support body and close and form first logical groove.
Furthermore, a fence is fixedly arranged at the rear end of the first supporting frame.
The invention has the advantages that the excavation rack equipment suitable for multiple excavation methods of the tunnel solves the problem of time and material cost waste caused by re-processing and dismantling of the rack in the conversion process of multiple methods for excavating the tunnel by a drilling and blasting method, is suitable for multiple excavation methods of the tunnel, can basically realize the possibility of opening and closing the tunnel excavation by the aid of the single excavation rack under the condition of no special methods and surrounding rocks, improves the utilization rate of materials and reduces the purchase cost of machinery. On the other hand, the extension and retraction functions of the second bedplate are realized through chain transmission, the conversion of the excavation bench of a bench method and a micro-bench and annular reserved core soil method is realized, and the second support frame is quickly assembled and disassembled with the first support frame through a flange and a bolt to realize the quick conversion of the excavation bench of the bench method and a full section method. The excavation bench frame spare for the tunnel multiple excavation methods can adapt to different excavation modes without dismantling and reassembling, reduces mechanical mounting and dismounting time, and improves construction efficiency.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of an excavation bench device suitable for various tunnel excavation methods according to an embodiment of the present invention.
Fig. 2 is an exploded structural view of an excavation bench device suitable for various tunnel excavation methods according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a first support frame according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a rear end of a first support frame according to an embodiment of the present invention.
Fig. 5 is a schematic view of an extended state of the second platen according to an embodiment of the present invention.
Fig. 6 is a top view of a first support frame according to an embodiment of the present invention.
Fig. 7 is a schematic longitudinal section view of an excavation bench device suitable for various excavation methods of a tunnel for excavating three-step annular reserved core soil according to an embodiment of the present invention.
Fig. 8 is a top view of an excavation bench device suitable for various excavation methods of a tunnel according to an embodiment of the present invention, which is used for excavating three-step annular reserved core soil.
Fig. 9 is a schematic cross section of an excavation bench device suitable for various tunnel excavation methods for three-step annular reserved core soil excavation according to an embodiment of the present invention.
Fig. 10 is a longitudinal section schematic view of an excavation bench device suitable for multiple tunnel excavation methods for excavating two-step annular reserved core soil according to an embodiment of the present invention.
Fig. 11 is a top view of an excavation bench device suitable for various excavation methods of a tunnel according to an embodiment of the present invention, which is used for excavating two-step annular reserved core soil.
Fig. 12 is a schematic cross-sectional view of an excavation bench device suitable for various tunnel excavation methods for excavating two-step annular reserved core soil according to an embodiment of the present invention.
Fig. 13 is a schematic longitudinal section view of an excavation bench device suitable for various excavation methods of a tunnel according to an embodiment of the present invention, which is used in a three-step excavation method.
Fig. 14 is a schematic cross-sectional view of an excavation bench device suitable for various excavation methods of a tunnel according to an embodiment of the present invention, which is used in a three-step excavation method.
Fig. 15 is a schematic longitudinal section view of an excavation bench device suitable for various excavation methods of a tunnel according to an embodiment of the present invention, which is used for a full-section excavation method.
Fig. 16 is a schematic cross-sectional view of an excavation bench device suitable for various excavation methods for a tunnel according to an embodiment of the present invention, which is used for a full-face excavation method.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 16, the present invention provides an excavation frame apparatus suitable for various excavation methods for a tunnel, including: a first support frame 1, a second platen 2 and a second support frame 3.
Specifically, referring to fig. 1 and 2, the first support 1 has opposite front and rear ends, and opposite sides. During actual use, the first supporting frame is arranged along the excavation direction of the tunnel, the front end of the first supporting frame is arranged in front of the excavation advancing direction, the thickness of the first supporting frame is arranged behind the excavation advancing direction, and two opposite sides of the first supporting frame are two sides in the width direction. In this embodiment, a plurality of stages of the first platen 13 are respectively mounted on opposite sides of the first support frame. The lower portion of the first support frame 1 forms a first through groove 10. The first support frame 1 is mounted with track wheels 16. The front end of the first supporting frame 1 is provided with a socket gap, and the socket gap and the first through groove 10 are arranged in the same direction. The socket joint gap and the first through groove are arranged along the length direction of the first supporting frame.
Referring to fig. 4 to 5, the second bedplate 2 is movably inserted into the socket gap. A drive chain 21 is installed in the socket gap. The drive chain 21 is used to drive the second platen 2 so that the second platen 2 extends outside the front end of the first support frame 1.
The second support frame 3 is detachably mounted on top of the first support frame 1. And a plurality of layers of third bedplate are respectively arranged on two opposite sides of the second supporting frame 3. A second through groove 30 is formed in the lower portion of the second support frame 3. The second through groove 30 is provided in the same direction as the first through groove 10. The second through groove is arranged along the length direction of the first supporting frame.
The excavation table apparatus according to the present invention, which is suitable for various excavation methods for a tunnel, is used when performing a full face excavation construction, and is shown in fig. 15 and 16, in which the second support frame is detachably attached to the upper side of the first support frame.
Referring to fig. 7 to 14, the second support frame is disassembled and used when performing the three-step annular prepared core soil excavation method, the two-step annular prepared core soil excavation method, the three-step excavation method, and the two-step excavation method.
Referring to fig. 9 and 12, when the three-step annular pre-formed core soil excavation method and the two-step annular pre-formed core soil excavation method are performed, the first through groove is used for accommodating the pre-formed core soil 8.
Specifically, referring to fig. 7 to 9, when the middle step 5 and the upper step 6 are excavated, the excavation bench device suitable for various excavation methods of the tunnel according to the present invention is disposed on the middle step, such that the first through groove is aligned with the core soil 8 reserved on the middle step, and the second platform plate is drawn out from the socket gap and extended above the core soil on the middle step, so that the constructor can excavate the upper step on the second platform plate.
Specifically, referring to fig. 10 to 12, in the two-step annular reserved core soil excavation construction, when the upper step 6 is excavated, the excavation bench device suitable for the multiple excavation methods of the tunnel according to the present invention is disposed on the lower step 4, so that the first through groove is aligned with the core soil 8 reserved on the upper step, and at this time, the second platen is pushed back into the socket gap to excavate the tunnel face 7.
Specifically, referring to fig. 13 and 14, in the three-step excavation construction, as shown in the drawing, when the middle step and the upper step are excavated, the second bedplate is drawn out from the socket gap and extended to the upper part of the upper step, the soil body in the range of the middle step is excavated through the first bedplate, and the soil body in the range of the upper step is excavated through the second bedplate.
In addition, when the two-step excavation method is used for excavating a lower step or an upper step, the second bedplate is pushed back into the socket joint gap, and the tunnel face is excavated.
The excavation rack equipment suitable for multiple excavation methods of the tunnel solves the problem of time and material cost waste caused by re-processing and dismantling of the rack in the conversion process of multiple methods for excavating the tunnel by a drilling and blasting method, is suitable for multiple excavation methods of the tunnel, can basically realize the possibility of opening the switch by using a single excavation rack to assist tunnel excavation under the condition of no special construction method and surrounding rocks, improves the utilization rate of materials and reduces the mechanical purchasing cost. On the other hand, the extension and retraction functions of the second bedplate are realized through chain transmission, the conversion of the excavation bench of a bench method and a micro-bench and annular reserved core soil method is realized, and the second support frame is quickly assembled and disassembled with the first support frame through a flange and a bolt to realize the quick conversion of the excavation bench of the bench method and a full section method. The excavation bench frame spare for the tunnel multiple excavation methods can adapt to different excavation modes without dismantling and reassembling, reduces mechanical mounting and dismounting time, and improves construction efficiency.
Referring to fig. 3 and 4, two support plates are connected to the bottom of the second bedplate 2. A plurality of chain wheels are rotatably arranged in the socket gap. The plurality of chain wheels are arranged on the inner sides of the two supporting plates. A plurality of sprockets are provided along the length direction of the first support 1. The chain is sleeved on the two chain wheels and connected to the inner side of the supporting plate. The first support 1 is provided with a motor. The output end of the motor is coaxially connected with the chain wheel.
With continued reference to fig. 3 and 4, the first platen 13 includes a plurality of cantilever bars 14 and a carrier plate (not shown in the drawings). Wherein, the length of the cantilever bar is adjustable. The suspension lever 14 is attached to the outside of the first support frame 1. A plurality of the cantilever levers 14 are provided at intervals along the longitudinal direction of the first support frame 1. A carrier plate 16 is laid on the plurality of cantilever levers 14.
In a preferred embodiment, a connecting rod 15 is connected between two adjacent cantilever levers 14.
As a preferred embodiment, the cantilever lever 14 includes: a sleeve and an insert rod. Wherein, the sleeve pipe is fixedly arranged at the outer side of the first supporting frame 1. The inserted link is movably inserted in the sleeve. The bearing plate comprises two plates. One side of one plate is fixedly arranged on the sleeve, one side of the other plate is fixedly arranged at one end of the inserted bar, which is far away from the sleeve, and the opposite sides of the two plates are movably overlapped with each other. When stretching out the sleeve pipe with the inserted bar, the slab that is connected in the inserted bar moves towards the outside of first support frame, and then makes the area grow of the loading board that two slabs are constituteed, and on the contrary, when returning the inserted bar in the sleeve pipe, the area grow that two slabs superpose each other together, and leads to the area of loading board to diminish.
In the present embodiment, the first support 1 includes: two first frames 11 and two second frames 12. The two first frame bodies 11 are vertically arranged. The two first frame bodies 11 are oppositely arranged. The first platen 13 is connected to the outside of the first frame 11. The second frame body 12 is disposed in a horizontal direction. The second frame 12 is connected between the top ends of the two first frames 11. A socket gap is formed between the second frame bodies 12. The second frame 12 and the two first frames 11 enclose a first through slot 10.
As a preferred embodiment, a fence is fixed at the rear end of the first supporting frame 1.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention according to the present application is not limited to the specific combination of the above-mentioned features, but also covers other embodiments where any combination of the above-mentioned features or their equivalents is made without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (7)
1. The utility model provides an excavation rack equipment suitable for multiple excavation methods in tunnel which characterized in that includes:
the crawler belt type automatic loading machine comprises a first support frame, wherein a plurality of layers of first table plates are respectively arranged on two opposite sides of the first support frame, a first through groove is formed in the lower portion of the first support frame, a crawler wheel is arranged on the first support frame, a socket joint gap is formed in the front end of the first support frame, and the socket joint gap and the first through groove are arranged in the same direction;
the second bedplate is movably inserted into the socket joint gap, and a driving chain for driving the second bedplate to extend to the outer side of the front end of the first supporting frame is installed in the socket joint gap; and
the second support frame is detachably mounted at the top of the first support frame, multiple layers of third platens are mounted on two opposite sides of the second support frame respectively, a second through groove is formed in the lower portion of the second support frame, and the second through groove and the first through groove are arranged in the same direction.
2. The excavation frame equipment suitable for multiple excavation methods for tunnels according to claim 1, wherein the bottom of the second platen is connected with two support plates which are arranged oppositely, a plurality of chain wheels which are arranged on the inner sides of the two support plates are rotatably installed in the socket gap, the plurality of chain wheels are arranged along the length direction of the first support frame, the two chain wheels are sleeved with the chain and connected to the inner sides of the support plates, the first support frame is provided with a motor, and the output end of the motor is coaxially connected with the chain wheels.
3. An excavation table apparatus according to claim 1, wherein the first table comprises:
the length of each of the plurality of cantilever rods is adjustable, the cantilever rods are connected to the outer side of the first support frame, and the plurality of cantilever rods are arranged at intervals along the length direction of the first support frame; and
and the bearing plate is laid on the plurality of cantilever rods.
4. The excavation frame apparatus according to claim 3, wherein a tie bar is connected between adjacent two of the cantilever levers.
5. The excavation table apparatus of claim 3, wherein the cantilever bar comprises:
the sleeve is fixedly arranged on the outer side of the first support frame; and
the inserting rod is movably inserted in the sleeve.
6. The excavation table apparatus of claim 1, wherein the first support frame comprises:
the two first frame bodies are vertically arranged and are opposite to each other, and the first bedplate is connected to the outer side of the first frame bodies; and
the second support body that sets up along the horizontal direction connects in two between the top of first support body, be formed with between the second support body the socket joint gap, second support body and two enclose between the first support body and close and form first logical groove.
7. The excavation table apparatus according to claim 1, wherein a fence is fixed to a rear end of the first support frame.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132130.5A CN114592877A (en) | 2022-02-14 | 2022-02-14 | Excavation rack equipment suitable for multiple excavation methods of tunnel |
| DE202022103789.2U DE202022103789U1 (en) | 2022-02-14 | 2022-07-06 | Excavation formwork apparatus suitable for a variety of tunnel excavation methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132130.5A CN114592877A (en) | 2022-02-14 | 2022-02-14 | Excavation rack equipment suitable for multiple excavation methods of tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114592877A true CN114592877A (en) | 2022-06-07 |
Family
ID=81805065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210132130.5A Pending CN114592877A (en) | 2022-02-14 | 2022-02-14 | Excavation rack equipment suitable for multiple excavation methods of tunnel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114592877A (en) |
| DE (1) | DE202022103789U1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116537814B (en) * | 2023-05-12 | 2023-11-21 | 石家庄铁道大学 | Lifting platform for tunnel maintenance operation |
-
2022
- 2022-02-14 CN CN202210132130.5A patent/CN114592877A/en active Pending
- 2022-07-06 DE DE202022103789.2U patent/DE202022103789U1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE202022103789U1 (en) | 2022-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108278121B (en) | Intelligent steel arch assembling robot | |
| CN114592877A (en) | Excavation rack equipment suitable for multiple excavation methods of tunnel | |
| CN109236302A (en) | A kind of tunnel variable section excavation trolley | |
| CN107620595B (en) | A kind of rock tunnel(ling) machine | |
| CN111608579B (en) | Rotary drilling rig for cast-in-situ bored pile construction | |
| CN206617172U (en) | A kind of rock tunnel(ling) machine | |
| CN210239672U (en) | Non-blasting ring rotation type water drill tunneling and excavating machine | |
| US2319512A (en) | Earth boring machine | |
| JP4726697B2 (en) | Ground excavation method | |
| CN207047833U (en) | A kind of groover for subterranean wall construction | |
| US3236315A (en) | Auger mining machine | |
| CN111764918B (en) | Drilling splitting all-in-one machine | |
| JP3758722B2 (en) | Tunnel excavator | |
| JP5291024B2 (en) | Direct cast concrete method | |
| JP5470364B2 (en) | Drilling device and drilling method | |
| CN111255496B (en) | Coal pillar auxiliary type mining advanced temporary support device and using method thereof | |
| DE4011907A1 (en) | Roadway heading chamber for temporary support of mining tunnel - comprises front and rear sections with roof supports and back-filled support all carried on framework | |
| CN207048792U (en) | A kind of mole for push bench process | |
| CN112696214A (en) | Tunnel construction method | |
| AT352774B (en) | DEVICE FOR DISMANTLING AND EXTRACTION OF SOIL MATERIAL IN PIPE DRIVING | |
| JP2996096B2 (en) | Large section tunnel excavator | |
| CN206617171U (en) | A kind of top plate mole for hypogee | |
| CA1138479A (en) | Conveyor mounted excavator | |
| JP4290311B2 (en) | Shield excavator for backfilling existing tunnels | |
| CN109915185A (en) | Plate misses the stop strutting system in a kind of TBM |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |