CN110030012B - Foldable arch frame type tunnel milling and excavating machine - Google Patents
Foldable arch frame type tunnel milling and excavating machine Download PDFInfo
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- CN110030012B CN110030012B CN201910380654.4A CN201910380654A CN110030012B CN 110030012 B CN110030012 B CN 110030012B CN 201910380654 A CN201910380654 A CN 201910380654A CN 110030012 B CN110030012 B CN 110030012B
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- 238000003801 milling Methods 0.000 title claims abstract description 127
- 239000011435 rock Substances 0.000 claims abstract description 9
- 239000002689 soil Substances 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims description 10
- 238000010276 construction Methods 0.000 abstract description 11
- 239000003921 oil Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 6
- 238000005422 blasting Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
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- 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/108—Remote control specially adapted for machines for driving tunnels or galleries
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- Environmental & Geological Engineering (AREA)
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- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to a foldable arch frame type tunnel milling and excavating machine which comprises a lower vehicle body, a support frame, a milling and excavating arm support, a milling and excavating device, a traveling track, a traveling trolley and a rotating arm support, wherein the support frame is arranged on the lower vehicle body and extends/folds with the lower vehicle body; the milling and digging arm support and the milling and digging device are both extended/folded with the walking trolley, and the rotary arm support positioned on the supporting frame drives the milling and digging arm support and the milling and digging device to move along a walking track through the walking trolley so as to realize the milling and digging of the tunnel. The invention not only can automatically chisel the underexcavated part of rock soil, but also can not form overbreak when the underexcavated part is chiseled, thereby reducing the labor intensity of workers, and the walking track, the supporting frame and the milling and excavating arm support can be folded, thereby reducing the occupied space of the equipment, the whole equipment can be transported without being disassembled and assembled, and can be rapidly unfolded for construction operation after reaching the construction site, thereby greatly reducing the construction auxiliary time.
Description
Technical Field
The invention relates to the field of tunnel tunneling, in particular to a foldable arch frame type tunnel milling and excavating machine.
Background
In the prior tunnel excavation, a drilling and blasting method is mostly used for construction, in the tunnel drilling and blasting method, tunnel overbreak or underexcavation is inevitable, the overbreak and underexcavation can bring great influence to the comprehensive benefit of the tunnel construction, the overbreak caused by blasting increases the blasting cost, increases the mucking amount, prolongs the mucking operation time, and causes difficulty to the subsequent operations such as supporting, water prevention and drainage, secondary lining and the like; under-digging needs to be performed with chiseling treatment, which causes excessive consumption of manpower and materials, and larger over-digging is easier to form when the under-digging is treated. At present, most of the treatment of undermining adopts the excavator to chisel the part of undermining, the operation labor intensity is large, the efficiency is not high, and the overexcavation is easily formed, and moreover, because the section of the tunnel is large, the tonnage of the excavator and the arm support for chiseling the treatment are large, and the excavator is not beneficial to carrying.
Therefore, the tunnel milling and excavating machine which is simple in structure, easy to carry, convenient to operate, capable of automatically chiseling the underexcavated part of rock soil along the designed section and effectively avoiding overbreak has important significance.
Disclosure of Invention
Aiming at the problems, the invention provides the foldable arch frame type tunnel milling and excavating machine which can automatically chisel the underexcavated part of rock soil along the designed section, does not form over excavation when chiseling the underexcavated part, reduces the labor intensity of workers, and has high construction speed and high efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows: a foldable arch frame type tunnel milling and excavating machine comprises a lower vehicle body, a support frame, a milling and excavating arm support, a milling and excavating device, a traveling track, a traveling trolley and a rotating arm support, wherein the support frame is arranged on the lower vehicle body and extends/folds with the lower vehicle body; the milling and digging arm support and the milling and digging device are both extended/folded with the walking trolley, and the rotary arm support positioned on the supporting frame drives the milling and digging arm support and the milling and digging device to move along a walking track through the walking trolley so as to realize the milling and digging of the tunnel.
Preferably, the milling and excavating device comprises a rotary cylinder, a milling and excavating driving device and a plurality of cutting bit heads, wherein the cutting bit heads are spirally arranged on the rotary cylinder, the milling and excavating driving device is connected with the milling and excavating arm frame, the rotary cylinder is connected with the milling and excavating driving device through a rotary shaft at one end, the rotary cylinder is driven by the milling and excavating driving device to rotate, and the cutting bit heads rotate along with the rotary cylinder to chisel rock soil.
Preferably, the milling and excavating arm frame comprises an arm frame rod, connecting rods arranged at two ends of the arm frame rod and a milling and excavating arm frame folding device, wherein the connecting rods are provided with supporting connecting holes for supporting the rotating shaft, the milling and excavating driving device is arranged on the arm frame rod, the arm frame rod is hinged with the traveling trolley, and the arm frame rod is extended/folded with the traveling trolley through the milling and excavating arm frame folding device.
Preferably, the walking track is formed according to the tunnel contour, is concentric with the tunnel contour radius, and has a radius smaller than the tunnel contour radius, the walking track is divided into a plurality of sections, each section is hinged through a pin shaft, and two adjacent sections are respectively extended/folded through second supporting oil cylinders with two ends hinged with the two adjacent sections.
Preferably, the traveling trolley comprises a frame, wheels capable of moving along the traveling rail and a milling arm frame mounting seat, the frame is hinged to the rotary arm frame, the milling arm frame mounting seat is hinged to the arm frame rod, and the traveling trolley can move along the traveling rail under the action of the rotary arm frame.
Preferably, the rotary arm support comprises a rotary driving device, a support arm group and a telescopic arm group, the rotary driving device, the support arm group and the telescopic arm group are arranged on the support frame, the middle of the support arm group is connected with the rotary driving device and can rotate around a rotation center under the action of the rotary driving device, a notch is formed in one end of the support arm group for inserting one end of the telescopic arm group, and the other end of the telescopic arm group is connected with a frame of the walking trolley.
Preferably, the other end of the support arm group is also provided with a balancing weight.
Preferably, the support frame comprises a frame body, a first hinged support hinged to the lower frame body, a second hinged support hinged to the first support oil cylinder, and a rotary arm support mounting seat, and the rotary arm support mounting seat is used for mounting the rotary driving device.
Preferably, the foldable arch type tunnel milling and excavating machine further comprises a traveling device and a hydraulic system used for adjusting the foldable arch type tunnel milling and excavating machine, wherein the traveling device is used for traveling and moving of the foldable arch type tunnel milling and excavating machine, the hydraulic system comprises a first supporting oil cylinder used for folding a supporting frame, a plurality of second supporting oil cylinders used for folding a traveling track, and an electric control system, and the electric control system controls the first supporting oil cylinder, the second supporting oil cylinder, the milling and excavating driving device, the rotary driving device, the milling and excavating arm frame folding device and the traveling device respectively.
Compared with the prior art, the invention has the following beneficial effects:
1. the walking track divide into the multistage, and each section is articulated through the round pin axle, can fold to the support frame can all be folded with milling and digging the cantilever crane, folding back but the shared space of greatly reduced equipment, whole equipment can not the dismouting transport, can expand fast after arriving the building site and carry out the construction operation, greatly reduced construction assistance time.
2. The milling and excavating machine is provided with a walking track and a rotary arm support, the walking track is arc-shaped similar to the profile shape of a tunnel, the rotary arm support can rotate around a rotation center, the length can be changed in a telescopic mode, the rotation process is limited by the walking track, the length of the rotary arm support is adjusted in a telescopic mode, the milling and excavating device can move along a specific route, under the action of the milling and excavating device, chiseling of the under-excavated part of the profile of the tunnel can be achieved, overexcavation can be prevented, and the formed milling and excavating track is just the designed tunnel section.
3. The rotary drum of the milling and excavating device is provided with a plurality of cutting tooth heads arranged along the spiral shape, the rotary drum rotates under the driving of the milling and excavating driving device, the cutting tooth heads rotate along with the rotary drum to chisel rock soil, the chiseling efficiency is high, and the construction speed is high.
4. The invention is provided with the hydraulic system and the electric control system, so that the milling and excavating device can automatically chisel the underexcavated part of rock soil along the designed section.
Drawings
FIG. 1 is a schematic view of the working state structure of the present invention;
FIG. 2 is a schematic structural view of the present invention in a folded state;
fig. 3 is a schematic structural view of the lower vehicle body 1 of the invention;
FIG. 4 is a schematic structural view of the support frame 2 of the present invention;
FIG. 5 is a schematic view of the milling and cutting device 3 of the present invention;
FIG. 6 is a schematic view showing the configuration of the running rail 4 of the present invention when it is unfolded;
FIG. 7 is a schematic view showing a folded structure of the running rail 4 according to the present invention;
FIG. 8 is a schematic structural view of the traveling carriage 5 of the present invention;
fig. 9 is a schematic structural diagram of the rotary arm support 6 of the present invention;
fig. 10 is a schematic structural diagram of the milling and excavating arm support 7 of the present invention.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 10, and the exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
A foldable arch tunnel milling and excavating machine comprises a lower vehicle body 1, a support frame 2 which is arranged on the lower vehicle body and extends/folds with the lower vehicle body, a milling and excavating arm frame 7, a milling and excavating device 3 arranged on the milling and excavating arm frame, a traveling track 4 which can extend/fold, a traveling trolley 5 and a rotary arm frame 6; the milling and digging arm support and the milling and digging device are both extended/folded with the walking trolley, and the rotary arm support positioned on the supporting frame drives the milling and digging arm support and the milling and digging device to move along a walking track through the walking trolley so as to realize the milling and digging of the tunnel.
Milling and digging device 3 includes a rotary cylinder 3a, mills and digs drive arrangement 3b, several cutting head 3c, cutting head 3c arranges on a rotary cylinder along the heliciform, mill dig drive arrangement 3b with it digs cantilever crane 7 and connects to mill, and rotary cylinder 3a links to each other with milling and digging drive arrangement 3b through the rotation axis of one end, and rotary cylinder 3a is milling and digging drive arrangement 3 b's drive and is rotatory down, and cutting head 3c is rotatory thereupon in order to chisel and remove the ground.
The milling and excavating arm support 7 comprises an arm support rod 7a, a connecting rod 7c arranged at two ends of the arm support rod and a milling and excavating arm support folding device 7b, wherein a supporting connecting hole used for supporting the rotating shaft is formed in the connecting rod, the milling and excavating driving device is installed on the arm support rod, the arm support rod 7a is hinged with the traveling trolley 5, and the arm support rod 7a is extended/folded with the traveling trolley 5 through the milling and excavating arm support folding device.
The milling and excavating arm frame folding device can be realized in a mode of selecting a hydraulic oil cylinder, a hydraulic motor and the like, when the hydraulic motor is selected, the hydraulic motor is fixedly connected with the walking trolley, meanwhile, the rotating shaft of the hydraulic motor is connected with the arm frame rod, the driving force of the hydraulic motor drives the rotating shaft to rotate, and the arm frame rod and the walking trolley are extended/folded by driving, so that the milling and excavating arm frame and the milling and excavating device are folded with the rotating arm frame, the size is reduced, and the space is saved. When the hydraulic oil cylinder is selected, a supporting oil cylinder mode can be adopted, two ends of the supporting oil cylinder are respectively hinged with the walking trolley and the arm support rod, and the arm support rod and the walking trolley are driven to extend/fold through the extension and contraction of the supporting oil cylinder.
The walking track is formed according to the tunnel contour, is concentric with the radius of the tunnel contour, and the radius of the walking track is smaller than the radius of the tunnel contour. The shape of the walking track 4 is an arc shape similar to the shape of the tunnel profile, the arc shape is concentric with the tunnel profile radius and is smaller than the tunnel profile radius, the walking track is formed by bending and welding profile steel and is used for the walking trolley 5 to walk along the track, and the walking track 4 is installed on the support frame 2. The walking track 4 restricts the telescopic length of the rotary arm support 6, and the track formed by the outer end of the cutting pick head of the milling and digging device 3 in the process of moving along the walking track 4 can be just the section of the tunnel under the working state, so that the underdigging part can be chiseled, and the overexcavation can be effectively avoided. And the two ends of the walking track are respectively provided with a stopper, and when the walking trolley walks to the end head, the stoppers are triggered to send signals to the controller, so that the rotary arm support automatically stops acting.
The walking track is divided into a plurality of sections, each section is hinged through a pin shaft, and two adjacent sections are respectively extended/folded through second supporting oil cylinders 9 with two ends hinged with the two adjacent sections, so that the transportation and the transition are convenient when the two sections are folded.
The traveling trolley comprises a frame 5a, wheels 5b capable of moving along the traveling track and a milling arm frame mounting seat 5c, the frame 5a is hinged with a rotary arm frame 6, the milling arm frame mounting seat 5c is hinged with an arm frame rod and used for mounting the milling arm frame, and the traveling trolley can move along the traveling track under the action of the rotary arm frame 6.
The rotary arm support 6 is a power part for driving the walking trolley 5 to move along the walking track 4 and mainly provides power for the walking trolley 5 to move along the walking track 4, the rotary arm support comprises a rotary driving device 6a, a support arm group 6b and a telescopic arm group 6c, the rotary driving device is arranged on the support frame 2, and the middle part of the support arm group is connected with the rotary arm support and can rotate around a rotary center under the action of the rotary driving device 6 a; and one end of the supporting arm group is provided with a notch for inserting one end of the telescopic arm group, and the other end of the telescopic arm group is connected with the frame 5a of the walking trolley.
The rotary driving device 6a is arranged on a rotary arm frame mounting seat 2d of the support frame 2, provides power for the rotation of the support arm group 6b and the telescopic arm group 6c, is provided with a brake protection device, and can select at least one of a hydraulic motor-speed reducer, a motor-speed reducer and a hydraulic oil cylinder-link mechanism, the telescopic arm group 6c can be composed of at least one group of telescopic arms, the middle part of the support arm group 6b is connected with the rotary driving device 6a and can rotate around a rotation center under the action of the rotary driving device 6a, the other end of the support arm group 6b is provided with a balancing weight, one end of the support arm group is provided with a slot for the insertion of the telescopic arm group 6c, the balancing weight can balance the torque caused by the milling and digging device 3, the milling and digging arm frame 7, the support arm group 6b, the telescopic arm group 6c and the like, can effectively reduce the required torque during the rising, and can, one end of the telescopic arm group 6c is inserted into the notch of the support arm group 6b, the telescopic arm group 6c can do relative telescopic movement along the support arm group 6b, and the other end of the telescopic arm group 6c is hinged with the frame 5a of the walking trolley 5. The relative movement of the telescopic arm group 6c and the support arm group 6b can adapt to the distance change caused by the rotation center point to different positions of the walking track 5.
The support frame 2 comprises a frame body 2a, a first hinged support 2b hinged to the lower frame body 1, a second hinged support 2c hinged to the first support oil cylinder 11 and a rotary arm support mounting seat 2d, and the rotary arm support mounting seat is used for mounting the rotary driving device.
The foldable arched tunnel milling and excavating machine further comprises a traveling device and a hydraulic system used for adjusting the foldable arched tunnel milling and excavating machine, wherein the traveling device is used for traveling and moving of the foldable arched tunnel milling and excavating machine, the hydraulic system comprises a first supporting oil cylinder used for folding a supporting frame, a plurality of second supporting oil cylinders 9 used for folding a traveling track, and an electric control system, and the electric control system controls the first supporting oil cylinder, the second supporting oil cylinder, the milling and excavating driving device, a rotary driving device, the milling and excavating arm frame folding device and the traveling device respectively. The traveling device 8 is arranged at the lower end of the lower vehicle body and used for driving the whole milling and excavating machine to travel, and the traveling device can be selected from at least one of a wheel rail type, a tire type, a crawler type and a walking type.
The hydraulic system is composed of components such as a hydraulic pump station, a supporting oil cylinder, a plurality of folding oil cylinders, an oil pipe and the like. The hydraulic pump station provides power for a hydraulic system, the supporting oil cylinder is connected with the lower vehicle body and the supporting frame, and the angle of the supporting frame can be adjusted under the telescopic action of the supporting oil cylinder to realize the folding of the supporting frame; a plurality of folding hydro-cylinders connect each section walking track, and under the flexible effect of folding hydro-cylinder, the walking track can be folded.
The electric control system 10 mainly includes electric equipment such as motors, a limiter, a signal lamp, a remote control transceiver, a controller and the like, and mainly has the functions of start-stop control, remote control, signal display, warning and the like of each motor. The two ends and the middle part of the walking track are respectively provided with a stopper, when the walking trolley walks to the end head, the stoppers are triggered, and a signal is sent to the controller, so that the rotary arm support automatically stops acting; only when the walking trolley is detected to walk to the middle of the walking track to trigger a signal of the middle limiter, the walking track folding oil cylinder can perform folding and unfolding actions so as to avoid misoperation to cause equipment to be damaged. The hydraulic system and the electric control system are arranged to realize the automation of the milling and excavating machine for milling and excavating tunnels and improve the milling and excavating processing accuracy, the specific hydraulic system and the electric control system are the prior art, and the invention only needs to realize specific functions, and the detailed description is omitted here.
The principle of the folding arch truss type tunnel milling and excavating machine is that a walking track is arranged on a support frame, a walking trolley can move along the walking track under the driving of a rotating arm frame, a milling and excavating arm frame provided with a milling and excavating device is arranged on the walking trolley, the milling and excavating device can move relatively along a guide rail of the walking track under the driving of the walking trolley, a plurality of cutting tooth heads which are spirally arranged on the milling and excavating device rotate under the driving of a milling and excavating driving device to cut rock soil, and the combination of the two movements realizes the chiseling of the under-excavated part of the tunnel profile and can prevent the over-excavation, and the formed milling and excavating track is exactly the designed tunnel section. The walking track divide into the multistage, and each section is articulated through the round pin axle, can fold to the support frame can all be folded with milling and digging the cantilever crane, folding back but the shared space of greatly reduced equipment, whole equipment can not the dismouting transport, can expand fast after arriving the building site and carry out the construction operation, greatly reduced construction assistance time.
In the specific implementation process, the method comprises the following implementation steps:
1. positioning a foldable arch frame type tunnel milling and excavating machine: and controlling the traveling device 8 to enable the foldable arch type tunnel milling and excavating machine to reach a specified position.
2. Unfolding the support frame: and controlling the supporting oil cylinder to extend out to enable the supporting frame to be unfolded to be vertical to the ground.
3. Unfolding a walking track: detecting a signal of a stopper in the middle of the walking track 4, and if the signal is detected, allowing the control system to control the folding oil cylinder to act and unfolding the walking track; if the signal is not detected, the control system generates an alarm signal to prompt the equipment to be abnormal.
4. Positioning a rotary arm support: the rotation driving device 6a is started to move the traveling carriage 5 to one end of the traveling rail 4.
5. Unfolding the milling arm frame: and starting the milling arm frame folding device 7b to unfold the milling arm frame 7 to a set angle.
6. Starting the milling and digging device: and starting the milling and excavating driving device 3b to rotate the rotary cylinder 3a, so that the cutting bit cuts rock soil.
7. The rotary arm support automatically rotates: according to the signals of the limit stops, the controller starts the rotary driving device 6a, the walking trolley moves towards the other end along the walking track 4, and until the controller receives the signals of the limit stops at the other end, the controller sends out a control command to stop the rotary driving device 6a and start the next cycle.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (5)
1. The utility model provides a collapsible bow member formula tunnel mills machine of digging which characterized in that: the device comprises a lower vehicle body (1), a support frame (2) which is arranged on the lower vehicle body and extends/folds with the lower vehicle body, a milling arm support (7), a milling device (3) which is arranged on the milling arm support, a walking track (4) which can extend/fold, a walking trolley (5) and a rotary arm support (6); the milling and excavating arm support and the milling and excavating device are extended/folded with the traveling trolley, and the rotating arm support on the supporting frame drives the milling and excavating arm support and the milling and excavating device to move along a traveling track through the traveling trolley so as to realize the milling and excavating of the tunnel;
the milling and excavating device (3) comprises a rotary cylinder (3a), a milling and excavating driving device (3b) and a plurality of cutting tooth heads (3c), the cutting tooth heads (3c) are spirally arranged on the rotary cylinder, the milling and excavating driving device (3b) is connected with the milling and excavating arm support (7), the rotary cylinder (3a) is connected with the milling and excavating driving device (3b) through a rotating shaft at one end, the rotary cylinder (3a) is driven by the milling and excavating driving device (3b) to rotate, and the cutting tooth heads (3c) rotate along with the rotary cylinder to chisel rock soil;
the milling and excavating arm support (7) comprises an arm support rod (7a), a connecting rod (7c) and a milling and excavating arm support folding device (7b), wherein the connecting rod is provided with a supporting connecting hole for supporting the rotating shaft, the milling and excavating driving device is installed on the arm support rod, and the arm support rod (7a) is extended/folded with the traveling trolley (5) through the milling and excavating arm support folding device;
the travelling trolley (5) comprises a frame (5a), wheels (5b) capable of moving along the travelling rail and a milling arm frame mounting seat (5c), the frame (5a) is hinged with the rotary arm frame (6), the milling arm frame mounting seat (5c) is hinged with the arm frame rod, and the travelling trolley can move along the travelling rail under the action of the rotary arm frame (6);
the rotary arm support (6) comprises a rotary driving device (6a), a supporting arm group (6b) and a telescopic arm group (6c) which are arranged on the supporting frame (2), the middle of the supporting arm group is connected with the rotary driving device, the supporting arm group can rotate around a rotating center under the action of the rotary driving device (6a), a notch is formed in one end of the supporting arm group for inserting one end of the telescopic arm group, and the other end of the telescopic arm group is connected with a frame (5a) of the walking trolley.
2. The collapsible arch-type tunnel milling and excavating machine according to claim 1, wherein: the walking track (4) is formed according to the tunnel contour, is concentric with the tunnel contour radius and is smaller than the tunnel contour radius, the walking track is divided into a plurality of sections, each section is hinged through a pin shaft, and two adjacent sections are respectively extended/folded through second supporting oil cylinders (9) with two ends hinged with the two adjacent sections.
3. The collapsible arch-type tunnel milling and excavating machine according to claim 2, wherein: and the other end of the support arm group is also provided with a balancing weight.
4. The collapsible arch-type tunnel milling and excavating machine according to claim 2, wherein: the support frame (2) comprises a frame body (2a), a first hinged support (2b) hinged to the lower vehicle body (1), a second hinged support (2c) hinged to the first support oil cylinder (11) and a rotary arm support mounting seat (2d), and the rotary arm support mounting seat is used for mounting the rotary driving device.
5. The collapsible arch-type tunnel milling and excavating machine according to claim 4, wherein: the foldable arch type tunnel milling and excavating machine further comprises a traveling device (8) and a hydraulic system used for adjusting the foldable arch type tunnel milling and excavating machine, wherein the traveling device is used for traveling and moving of the foldable arch type tunnel milling and excavating machine, the hydraulic system comprises a first supporting oil cylinder (11) used for folding supporting frames, a plurality of second supporting oil cylinders (9) used for folding traveling rails and an electric control system (10), and the electric control system respectively controls the first supporting oil cylinder, the second supporting oil cylinder, the milling and excavating driving device, the rotary driving device, the milling and excavating arm frame folding device and the traveling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910380654.4A CN110030012B (en) | 2019-05-08 | 2019-05-08 | Foldable arch frame type tunnel milling and excavating machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910380654.4A CN110030012B (en) | 2019-05-08 | 2019-05-08 | Foldable arch frame type tunnel milling and excavating machine |
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| CN110030012A CN110030012A (en) | 2019-07-19 |
| CN110030012B true CN110030012B (en) | 2020-09-25 |
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| CN110924972A (en) * | 2019-12-23 | 2020-03-27 | 中国铁建重工集团股份有限公司 | Construction method of hard rock tunnel |
| CN111764920A (en) * | 2020-07-03 | 2020-10-13 | 北京市政建设集团有限责任公司 | Excavating equipment for tunnel engineering |
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| JP2005083014A (en) * | 2003-09-05 | 2005-03-31 | Ishikawajima Constr Materials Co Ltd | Pre-cast tunnel method and member conveyor used therefor |
| WO2011021942A1 (en) * | 2009-08-17 | 2011-02-24 | Voelstad Ove Charles | Method and device for assembly of an arch structure |
| CN104453930B (en) * | 2014-11-21 | 2017-02-22 | 北京首尔工程技术有限公司 | Tunnel initial lining construction device and method |
| CN104533466A (en) * | 2014-11-21 | 2015-04-22 | 中铁一局集团有限公司 | Multifunctional flexible traction type paving rack for waterproof board |
| CN204530407U (en) * | 2015-04-03 | 2015-08-05 | 汪泓 | Device is dug in a kind of milling |
| CN205577997U (en) * | 2016-01-13 | 2016-09-14 | 中交一公局厦门工程有限公司 | Tunnel surpasses owes to dig detection control apparatus |
| CN106050246B (en) * | 2016-07-11 | 2018-10-02 | 中国铁建重工集团有限公司 | The arching method of arched type precutting trough equipment |
| JP6720072B2 (en) * | 2016-12-27 | 2020-07-08 | 鹿島建設株式会社 | Mobile formwork device |
| CN108194106B (en) * | 2018-02-26 | 2019-09-03 | 龚岗 | The mobile pouring construction technique of tunnel bolt-spary supports concrete trolley |
| CN108756892B (en) * | 2018-04-03 | 2023-08-18 | 中南大学 | Work platform, continuous operation system and continuous operation method for tunnel construction |
| CN208136986U (en) * | 2018-04-25 | 2018-11-23 | 中铁工程装备集团有限公司 | Tunnel circumferential direction french drain excavation equipment |
| CN208106422U (en) * | 2018-04-28 | 2018-11-16 | 中建隧道建设有限公司 | Excavate trolley |
| CN109538252B (en) * | 2018-11-20 | 2023-10-27 | 四川蓝海智能装备制造有限公司 | Multifunctional arch frame trolley and erection method of multiple arch frames |
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2019
- 2019-05-08 CN CN201910380654.4A patent/CN110030012B/en active Active
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Effective date of registration: 20240515 Address after: 061000 Workshop 1, Building 1, Health Street, Xian County Economic Development Zone, Cangzhou City, Hebei Province Patentee after: Hebei Chuangchuangxing Road and Bridge Equipment Technology Co.,Ltd. Country or region after: China Address before: Room 411, building 4, phase I, CLP Software Park, No. 39, Jianshan Road, high tech Development Zone, Yuelu District, Changsha City, Hunan Province Patentee before: CHANGSHA ZEHE INTELLIGENT TECHNOLOGY CO.,LTD. Country or region before: China |