CN204163731U - Novelly dig hard rock tunnel development machine - Google Patents
Novelly dig hard rock tunnel development machine Download PDFInfo
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- CN204163731U CN204163731U CN201420569357.7U CN201420569357U CN204163731U CN 204163731 U CN204163731 U CN 204163731U CN 201420569357 U CN201420569357 U CN 201420569357U CN 204163731 U CN204163731 U CN 204163731U
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Abstract
The utility model discloses and a kind of novelly dig hard rock tunnel development machine, comprise girder, cutterhead, the drive unit driving cutterhead to rotate and the Cheng Xue mechanism of stretching hole wall, described cutterhead is along the circumferential direction evenly distributed with several cutting arm balladeur trains, described cutting arm balladeur train is provided with keyway in the radial direction, described cutting arm is positioned on cutting arm balladeur train by dive key, described cutting arm is furnished with hob device, the both sides of described cutting arm balladeur train are provided with pressing plate, the side of described pressing plate and described cutting arm balladeur train forms groove structure, the both sides of described cutting arm are fixed in grooves on two sides, described cutting arm and described pressing plate are equipped with corresponding screwed hole, described cutting arm is also connected with the cutting arm driving the hydraulic jack of cutting arm slip to slide into desired location on cutting arm balladeur train to be fixedly connected with described pressing plate by bolt, solve major diameter tunnel and run into country rock convergence card machine, water burst, the problem of solution cavity, drivage efficiency is high, environment-friendly high-efficiency.
Description
Technical field
The utility model relates to Boring Machine Technique field, particularly relates to a kind of novelly digging hard rock tunnel development machine.
Background technology
At present, what the construction of domestic and international major diameter tunnel often adopted is drilling and blasting method and tunneling boring hard rock tunnel development machine (TBM).There is the unfavorable factors such as labour intensity is large, long in time limit, danger is large in drill bursting construction.The features such as construction is quick, safe, efficient that use tunneling boring hard rock tunnel development machine to have, at home extensive use in the tunnel such as railway, water conservancy, national defence.But for major diameter tunnel, constructed by tunneling boring hard rock tunnel development machine (TBM) completely, needed the impact in the face of unfavorable geologies such as surrouding rock deformation card machine, water burst, solution cavities.
Utility model content
The purpose of this utility model is to provide and a kind of novelly digs hard rock tunnel development machine, runs into the problems such as unfavorable geology such as country rock convergence card machine, water burst, solution cavity, to improve drivage efficiency, environment-friendly high-efficiency to solve in long distance major diameter inrush during tunneling.
Technical solution of the present utility model is, there is provided a kind of there is the novel of following structure to dig hard rock tunnel development machine: comprise girder, cutterhead, the drive unit driving cutterhead to rotate and the Cheng Xue mechanism of stretching hole wall, described cutterhead is along the circumferential direction evenly distributed with several cutting arm balladeur trains, described cutting arm balladeur train is provided with keyway in the radial direction, described cutting arm is positioned on cutting arm balladeur train by dive key, described cutting arm is furnished with hob device, the both sides of described cutting arm balladeur train are provided with pressing plate, the side of described pressing plate and described cutting arm balladeur train forms groove structure, the both sides of described cutting arm are fixed in grooves on two sides, described cutting arm and described pressing plate are equipped with corresponding screwed hole, described cutting arm is also connected with the hydraulic jack driving cutting arm to slide, the cutting arm that cutting arm balladeur train slides into desired location is fixedly connected with described pressing plate by bolt.
Described girder comprises the front girder being placed in pilot tunnel section and the rear girder being placed in main hole section, described front girder is connected with operation control room, support at the bottom of pilot tunnel, propulsion cylinder, the top shield device of Cheng Xue mechanism and stable pilot tunnel in earlier stage, described operation control room is arranged on the front end of front girder, the below being vertically fixedly connected on front girder is supported at the bottom of described pilot tunnel, the front end of propulsion cylinder is fixedly connected on front girder, the front end of described Cheng Xue mechanism is fixedly connected with the rear end of propulsion cylinder, Cheng Xue mechanism is slidably connected at axial direction and front girder, the rear end of described front girder is fixedly connected with top shield device,
Described rear girder is connected with cutterhead, drive unit, Cheng Xue mechanism, dilatory oil cylinder and rear support, the front end of described rear girder connects cutterhead, drive unit is fixedly connected with cutterhead and rear girder, described Cheng Xue mechanism is slidably connected at axial direction and rear girder, the rear end of described Cheng Xue mechanism is fixedly connected with the front end of dilatory oil cylinder, the rear end of dilatory oil cylinder is fixedly connected on rear girder, and described rear support is vertically fixedly connected on the below of rear girder.
The edge of described cutterhead is provided with scrapes cinder notch, and the back side of described cutterhead is provided with the slag gathering hopper of transhipment dregs, and the below of described slag gathering hopper is provided with belt conveyor.
Described Cheng Xue mechanism is XXing Cheng boots mechanisms.
Described cutterhead is provided with for checking cutter and country rock situation manhole.
Described cutting arm distributes twist on cutterhead.
Cutting arm on described cutterhead has six.
Compared with prior art, the novel hard rock tunnel development machine that digs of the utility model has the following advantages:
1. the novel cutting arm digged in hard rock tunnel development machine of the utility model is positioned on balladeur train by dive key, the both sides of described balladeur train are provided with pressing plate, cutting arm is bolted on pressing plate, cutting arm is also connected with the hydraulic jack driving cutting arm to slide, unclamp the bolt connecting cutting arm and pressing plate, cutting arm can utilize the hydraulic coupling of hydraulic jack to move radially along cutterhead balladeur train, and then drive hob device to move at the diverse location of hole wall radial direction, the function making cutterhead have reducing to dig, thus the problem that long distance major diameter tunnel runs into country rock convergence card machine can be solved,
2. the novel hard rock tunnel development machine that digs of the utility model adapts at the less pilot tunnel of excavation diameter and the place reinforced is tunneled, and can avoid the impact of the unfavorable geology such as water burst, solution cavity, improve the problem such as drivage efficiency, environment-friendly high-efficiency;
3. the novel forward and backward girder digging hard rock tunnel development machine of the utility model is connected with the Cheng Xue mechanism of stretching hole wall, Cheng Xue mechanism is XXing Cheng boots mechanisms, adopt XXing Cheng boots mechanism in the mode of stretching hole, two ends wall, make cutterhead in rotation tunneling process, main beam stress is good, the vibration of cutterhead is little, and drivage efficiency is high;
4, the novel rear end digging the front girder of hard rock tunnel development machine of the utility model is fixedly connected with top shield device, described top shield device is in the front end of cutterhead, top shield device can rotate stable pilot tunnel in earlier stage in tunneling process at cutterhead, the transition position in pilot tunnel and main hole is stablized and does not subside;
5. when the novel cutting arm digging hard rock tunnel development machine of the utility model distributes twist on cutterhead, when hobboing cutter rotary rolling breaks rock, hobboing cutter on cutterhead can simultaneously according to helical trajectory outwards movement, constantly to be changed by hobboing cutter, radial movement, the circular cross section of tunnel can change, and drivage efficiency is high.
Accompanying drawing explanation
To be that the present invention is novel dig hard rock tunnel development machine side structure schematic diagram to Fig. 1;
Fig. 2 is the novel cutter head structure schematic diagram digging hard rock tunnel development machine of the present invention;
Fig. 3 is the B-B broken section structural representation of Fig. 2;
Fig. 4 is the novel structural representation digging the Cheng Xue mechanism of hard rock tunnel development machine of the present invention.
Detailed description of the invention
During accompanying drawing illustrates, label 1 is pilot tunnel, and 2 is operation control rooms, and 3 is support at the bottom of pilot tunnel, 4 is propulsion cylinders, 5 Shi Cheng boots mechanisms, and 6 is front girders, 7 is top shield devices, and 8 is cutterheads, and 9 is slag gathering hoppers, 10 is belt conveyors, and 11 is drive units, 12 Shi Cheng boots mechanisms, 13 is dilatory oil cylinders, and 14 is rear girders, and 15 is rear supports, 16 is main holes, 17 is cutting arms, and 18 is hob devices, and 19 is scrape cinder notch, 20 is manholes, 21 is cutting arm balladeur trains, and 22 is hydraulic jacks, and 23 is dive keys, 24 is bolts, and 25 is pressing plates.
Below in conjunction with the drawings and specific embodiments, the novel hard rock tunnel development machine that digs of the utility model is described further:
As shown in Fig. 1-4, in the present embodiment, the novel hard rock tunnel development machine that digs comprises girder, cutterhead 8, the drive unit 11 driving cutterhead to rotate and the Cheng Xue mechanism of stretching hole wall, described cutterhead is along the circumferential direction evenly distributed with several cutting arm balladeur trains 21, described cutting arm balladeur train 21 is provided with keyway in the radial direction, described cutting arm 17 is positioned on cutting arm balladeur train 21 by dive key 23, described cutting arm 17 is furnished with hob device 18, the both sides of described cutting arm balladeur train 21 are provided with pressing plate 25, the side of described pressing plate 25 and described cutting arm balladeur train 21 forms groove structure, the both sides of described cutting arm 17 are fixed in grooves on two sides, described cutting arm 17 and described pressing plate 25 are equipped with corresponding screwed hole, described cutting arm 17 is also connected with the hydraulic jack 22 driving cutting arm 17 to slide, sliding at cutting arm, the cutting arm 17 sliding into desired location on 21 is fixedly connected with described pressing plate 25 by bolt 24.
Described girder comprises the front girder 6 being placed in pilot tunnel 1 section and the rear girder 14 being placed in 16 sections, main hole, described front girder 6 is connected with operation control room 2, 3 are supported at the bottom of pilot tunnel, propulsion cylinder 4, the top shield device 7 of Cheng Xue mechanism 5 and stable pilot tunnel in earlier stage, described operation control room 2 is arranged on the front end of front girder 6, the below that 3 are vertically fixedly connected on front girder 6 is supported at the bottom of described pilot tunnel, the front end of propulsion cylinder 4 is fixedly connected on front girder 6, the front end of described Cheng Xue mechanism 5 is fixedly connected with the rear end of propulsion cylinder 4, Cheng Xue mechanism 5 is slidably connected at axial direction and front girder 6, the rear end of described front girder 6 is fixedly connected with top shield device 7,
On described rear girder, 14 are connected with cutterhead 8, drive unit 11, Cheng Xue mechanism 12, dilatory oil cylinder 13 and rear support 15, the front end of described rear girder 14 connects cutterhead 8, drive unit 11 is fixedly connected with cutterhead 8 and rear girder 14, described Cheng Xue mechanism 12 is slidably connected at axial direction and rear girder 14, the rear end of Cheng Xue mechanism 12 is fixedly connected with the front end of dilatory oil cylinder 13, the rear end of dilatory oil cylinder 13 is fixedly connected on rear girder 14, and described rear support 15 is vertically fixedly connected on the below of rear girder 14.
The edge of described cutterhead 8 is provided with scrapes cinder notch 19, and the back side of described cutterhead 8 is provided with the slag gathering hopper 9 of transhipment dregs, and the below of described slag gathering hopper 9 is provided with belt conveyor 10.
Described Cheng Xue mechanism is XXing Cheng boots mechanisms.
Described cutterhead is provided with for checking cutter and country rock situation manhole 20.
Described cutting arm 17 distributes twist on cutterhead 8.
Cutting arm 17 on described cutterhead 8 has six.
The novel operating principle digging hard rock tunnel development machine of the utility model:
Adopt and novelly dig hard rock tunnel tunneler construction, should first excavate the less pilot tunnel 1 of diameter along tunnel total length and reinforce.
The novel work digging hard rock tunnel development machine is divided into two steps, is respectively driving and two actions of changing step.
During driving, the novel XXing Cheng boots mechanism 5 stretching pilot tunnel 1 digging hard rock tunnel development machine, support 3 rises at the bottom of pilot tunnel and leave pilot tunnel hole wall, top shield device 7 presses close to pilot tunnel crag, excavate the main hole Dong Bi of 16 sections, main hole stable XXing Cheng boots mechanism 12 stretching, the rear support 15 of main hole afterbody rises leaves main hole Dong Bi, manipulating drive unit 11 by operation control room 2 is with movable knife disc 8 to rotate, propulsion cylinder 4 and dilatory oil cylinder 13 stretch out, drive front girder 6 and rear girder 14 forward impelling, realize fractured rock, shaping tunnel crag.Broken rock ballast is transported on belt conveyor 10 by the slag gathering hopper 9 at the cutterhead back side, thus transports outside hole.
Six cutting arms 17 are used tunnel to be digged the diameter of regulation.Cutting arm 17 utilizes the hydraulic coupling of hydraulic jack 22 to realize moving radially on balladeur train 21 along dive key 23, and then uses bolt 24 to fix, and Hob for cutting rock is arranged on radial moveable cutting arm 17, thus can realize the change of footpath, hole excavation.
When changing step, the novel hard rock tunnel development machine cutterhead 8 that digs is failure to actuate, pilot tunnel 1 leaves in XXing Cheng boots mechanism 5, support bottom 3 stretching pilot tunnel hole, whereabouts walls at the bottom of pilot tunnel, top shield device 7 departs from pilot tunnel crag, excavates 16 sections, main hole stable XXing Cheng boots mechanism 12 and regains and leave main hole Dong Bi, and the rear support 15 of main hole afterbody falls the main hole Dong Bi of stretching, then propulsion cylinder 4 and dilatory oil cylinder 13 shrink and drive XXing Cheng boots mechanism 5 and stable XXing Cheng boots mechanism 12 to advance to it, start the circulation driving of another time.
By reference to the accompanying drawings the preferred detailed description of the invention of the utility model is described in detail above, but the utility model is not limited to described embodiment.To those skilled in the art, carry out multiple change, amendment, replacement and distortion when not departing from principle of the present utility model and spirit to this embodiment still to fall in protection domain of the present utility model.
Claims (7)
1. one kind novelly digs hard rock tunnel development machine, comprise girder, cutterhead, the drive unit driving cutterhead to rotate and the Cheng Xue mechanism of stretching hole wall, it is characterized in that: described cutterhead is along the circumferential direction evenly distributed with several cutting arm balladeur trains, described cutting arm balladeur train is provided with keyway in the radial direction, described cutting arm is positioned on cutting arm balladeur train by dive key, described cutting arm is furnished with hob device, the both sides of described cutting arm balladeur train are provided with pressing plate, the side of described pressing plate and described cutting arm balladeur train forms groove structure, the both sides of described cutting arm are fixed in grooves on two sides, described cutting arm and described pressing plate are equipped with corresponding screwed hole, described cutting arm is also connected with the cutting arm driving the hydraulic jack of cutting arm slip to slide into desired location on cutting arm balladeur train to be fixedly connected with described pressing plate by bolt.
2. according to claim 1ly novelly dig hard rock tunnel development machine, it is characterized in that: described girder comprises the front girder being placed in pilot tunnel section and the rear girder being placed in main hole section, described front girder is connected with operation control room, support at the bottom of pilot tunnel, propulsion cylinder, the top shield device of Cheng Xue mechanism and stable pilot tunnel in earlier stage, described operation control room is arranged on the front end of front girder, the below being vertically fixedly connected on front girder is supported at the bottom of described pilot tunnel, the front end of propulsion cylinder is fixedly connected on front girder, the front end of described Cheng Xue mechanism is fixedly connected with the rear end of propulsion cylinder, Cheng Xue mechanism is slidably connected at axial direction and front girder, the rear end of described front girder is fixedly connected with top shield device,
Described rear girder is connected with cutterhead, drive unit, Cheng Xue mechanism, dilatory oil cylinder and rear support, the front end of described rear girder connects cutterhead, drive unit is fixedly connected with cutterhead and rear girder, described Cheng Xue mechanism is slidably connected at axial direction and rear girder, the rear end of Cheng Xue mechanism is fixedly connected with the front end of dilatory oil cylinder, the rear end of dilatory oil cylinder is fixedly connected on rear girder, and described rear support is vertically fixedly connected on the below of rear girder.
3. according to claim 1 and 2ly novelly dig hard rock tunnel development machine, it is characterized in that: the edge of described cutterhead is provided with scrapes cinder notch, the back side of described cutterhead is provided with the slag gathering hopper of transhipment dregs, and the below of described slag gathering hopper is provided with belt conveyor.
4. according to claim 1 and 2ly novelly dig hard rock tunnel development machine, it is characterized in that: described Cheng Xue mechanism is XXing Cheng boots mechanisms.
5. according to claim 1 and 2ly novelly digging hard rock tunnel development machine, it is characterized in that: described cutterhead is provided with for checking cutter and country rock situation manhole.
6. according to claim 1 and 2ly novelly dig hard rock tunnel development machine, it is characterized in that: described cutting arm distributes twist on cutterhead.
7. according to claim 1 and 2ly novelly dig hard rock tunnel development machine, it is characterized in that: the cutting arm on described cutterhead has six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420569357.7U CN204163731U (en) | 2014-09-30 | 2014-09-30 | Novelly dig hard rock tunnel development machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420569357.7U CN204163731U (en) | 2014-09-30 | 2014-09-30 | Novelly dig hard rock tunnel development machine |
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| CN204163731U true CN204163731U (en) | 2015-02-18 |
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| CN201420569357.7U Active CN204163731U (en) | 2014-09-30 | 2014-09-30 | Novelly dig hard rock tunnel development machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265315A (en) * | 2014-09-30 | 2015-01-07 | 中铁工程装备集团有限公司 | Novel hard rock tunnel tunneling machine capable of expanding excavation |
| CN104747200A (en) * | 2015-03-18 | 2015-07-01 | 中铁工程装备集团有限公司 | Pipe segment diameter adjustable hard rock tunneling machine adopting double-layer supporting mode and construction method thereof |
| CN111119913A (en) * | 2020-02-24 | 2020-05-08 | 中铁二院工程集团有限责任公司 | TBM (tunnel boring machine) escaping processing method in tunnel construction and tunnel construction structure |
| CN111852489A (en) * | 2020-06-18 | 2020-10-30 | 清华大学 | Mutually tangential circular expanding excavation construction method for cutterhead of tunneling machine |
-
2014
- 2014-09-30 CN CN201420569357.7U patent/CN204163731U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265315A (en) * | 2014-09-30 | 2015-01-07 | 中铁工程装备集团有限公司 | Novel hard rock tunnel tunneling machine capable of expanding excavation |
| CN104747200A (en) * | 2015-03-18 | 2015-07-01 | 中铁工程装备集团有限公司 | Pipe segment diameter adjustable hard rock tunneling machine adopting double-layer supporting mode and construction method thereof |
| CN104747200B (en) * | 2015-03-18 | 2017-03-01 | 中铁工程装备集团有限公司 | Construction method with double-deck supporting and the hard rock mole of variable section of jurisdiction diameter |
| CN111119913A (en) * | 2020-02-24 | 2020-05-08 | 中铁二院工程集团有限责任公司 | TBM (tunnel boring machine) escaping processing method in tunnel construction and tunnel construction structure |
| CN111119913B (en) * | 2020-02-24 | 2024-05-17 | 中铁二院工程集团有限责任公司 | TBM escaping treatment method in tunnel construction and tunnel construction structure |
| CN111852489A (en) * | 2020-06-18 | 2020-10-30 | 清华大学 | Mutually tangential circular expanding excavation construction method for cutterhead of tunneling machine |
| CN111852489B (en) * | 2020-06-18 | 2021-11-16 | 清华大学 | Mutually tangential circular expanding excavation construction method for cutterhead of tunneling machine |
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