CN216008502U - Hydraulic tunnel drilling trolley excavation construction device - Google Patents
Hydraulic tunnel drilling trolley excavation construction device Download PDFInfo
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- CN216008502U CN216008502U CN202121576600.4U CN202121576600U CN216008502U CN 216008502 U CN216008502 U CN 216008502U CN 202121576600 U CN202121576600 U CN 202121576600U CN 216008502 U CN216008502 U CN 216008502U
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Abstract
The utility model discloses a hydraulic tunnel drilling trolley excavation construction device, which comprises a vehicle and a down-the-hole drill arranged on a container position of the vehicle, wherein the down-the-hole drill is connected to the vehicle through a drill platform; the drilling machine platform is provided with a supporting seat for supporting and controlling the drilling direction of a drill rod of the down-the-hole drill; wherein, the down-the-hole drill is connected with the drilling machine platform through a connecting plate and a fastening bolt. The utility model uses the tunnel drilling trolley (simple type down-the-hole drilling trolley) combining the down-the-hole drill and the vehicle to drill the advanced geological forecast hole, not only solves the problem of complex advanced detection of the geological condition of the tunnel, but also uses the advanced geological forecast hole as a central cut hole, reduces the drilling and the medication of the cut hole and increases the single-wheel cycle footage length of the tunnel.
Description
Technical Field
The utility model belongs to the field of hydraulic and hydroelectric engineering, and particularly relates to a hydraulic tunnel drilling trolley excavation construction device.
Background
As a common hydraulic building, the hydraulic tunnel mostly adopts hand-powered pneumatic drills and multi-arm drills to drill holes in the past, and the related prior art mainly comprises the following steps:
the utility model CN110080792A of northwest survey design research institute Limited company of China electric construction group discloses a tunnel excavation method based on miniature TBM equipment, which comprises the steps of detecting the compressive strength of a rock single shaft, selecting a drilling position, and selecting the drilling position according to the compressive strength of the rock single shaft; thirdly, drilling holes, installing an automatic slag tapping machine and a TBM (tunnel boring machine), aligning the holes through the TBM, drilling to the designed depth of the section, tapping the slag through the automatic slag tapping machine, withdrawing the TBM from the TBM to align the next hole, drilling to the designed depth, tapping the slag through the automatic slag tapping machine until all the holes in the batch are drilled; fourthly, milling and excavating the rock pillar, withdrawing the TBM tunneling machine, and milling and excavating the rock pillar among the drill holes through a rotary excavating machine so as to mill and excavate the tunnel to a designed shape; when the tunnel with the small section is excavated, the strong supporting shoe counter-force does not generate excessive deformation to the rock mass in the excavating process of the TBM excavator, the disturbance to surrounding rocks is small during excavating, and the excavated cavern is good in stability and smooth in excavated surface.
The utility model discloses a chinese electric construction group Chengdu surveys design research institute limited company's utility model CN106930766A is a big buried depth TBM construction tunnel rock burst processing structure and processing method of tunnel TBM construction technical field, and this structure is including setting up a plurality of advance drilling in tunnel face vault area, advance drilling runs through the rock burst area, and the fracture broken zone that forms through the pre-splitting blasting in the drilling links to each other between each advance drilling. According to the scheme, the drilling positions and directions are reasonably arranged on the tunnel face of the tunnel by utilizing the operation space in the TBM, the rock mass fracture zone is formed at the top arch and the arch shoulder of the rock burst zone by adopting drilling blasting, the crack development of the rock mass fracture zone is further promoted by utilizing high-pressure water injection, the rock mass is softened, the high ground stress of the rock burst zone is released, and the rock burst risk is relieved.
The utility model CN111173445A, which is commonly applied by eighteen groups of medium-iron companies and municipal works companies, discloses a movable trolley for drilling based on tunnel construction by a TBM method, wherein the trolley runs along a tunnel track, a plurality of transversely arranged I-shaped steel door frames are fixedly arranged on the top surface of the trolley, and the adjacent I-shaped steel door frames are all adjusted and connected with longitudinally arranged support shafts; the support shafts are all connected with drilling execution units with adjustable support angles; the drilling execution unit comprises a guide groove, a supporting leg cylinder and a pneumatic drill, wherein the guide groove is transversely arranged, the bottom of the guide groove is connected with the support shaft in an adjusting mode, the top of the guide groove is provided with an opening, and the supporting leg cylinder is axially and fixedly arranged in the guide groove; the piston rod end part of the landing leg cylinder is fixedly connected with the inner wall of the guide groove, the middle part of the cylinder barrel of the landing leg cylinder penetrates through the side wall of the guide groove, and the end part of the cylinder barrel of the landing leg cylinder is axially and fixedly connected with the air drill.
The utility model discloses a utility model CN209244567U commonly applied by Dacheng engineering construction group Limited company and Jiangxi province traffic science research institute discloses a deep-buried tunnel construction rock burst prevention and control drilling arrangement structure, which comprises a plurality of rock burst prevention and control drilling holes, wherein each rock burst prevention and control drilling hole consists of one or more fracturing holes, a plurality of pressure relief holes and side wall slot holes, each fracturing hole extends from a working surface to a rock burst area in the front along a direction parallel to the axis of the tunnel, each pressure relief hole extends from the working surface to the rock burst area in the lateral front at a certain angle with the axis of the tunnel, each side wall slot hole lags behind the working surface and extends to the rock burst area in the lateral direction perpendicular to the axis of the tunnel, and oval-shaped micro cracks and a large number of micro cracks are formed in the side wall of the rock body of the tunnel; the rock burst prevention and control drill holes all go deep into the rock burst section of the tunnel.
The utility model discloses a yunnan builds advance little pipe processingequipment such as installation share limited company application discloses an underground space and hydraulic tunnel, and the device includes frame, removal anchor clamps, slip casting hole processing subassembly and heating element. The movable clamp slides along the rack, is pushed forwards and backwards in a gear transmission mode, is stable, reliable and durable in advancing, has large contact area with the advanced small guide pipe, is tightly combined, and is convenient to bear the pressure of the punching machine; the drilling machine is linked to apply force to drill holes at the same time, so that the drilling efficiency is increased, the radial acting force of the small guide pipe is mutually offset, and the width design of the fixing block enables enough space to be reserved between the drilling machines to avoid damage.
However, the prior art still has the defects that the advanced geological prediction hole is required to be implemented mainly due to the complex geological conditions, the cost of special drilling equipment for the advanced geological prediction hole is high due to the limitation of the operation space in the small-section tunnel, the drilling operation of the advanced geological prediction hole and the tunneling drilling operation cannot be carried out simultaneously, and the construction progress is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hydraulic tunnel drilling trolley excavation construction device aiming at the defects of the prior art.
The utility model is realized by the following steps: a hydraulic tunnel drilling trolley excavation construction device comprises a vehicle and a down-the-hole drill arranged on a container position of the vehicle, wherein the down-the-hole drill is connected to the vehicle through a drilling machine platform; the drilling machine platform is provided with a supporting seat for supporting and controlling the drilling direction of a drill rod of the down-the-hole drill; wherein, the down-the-hole drill is connected with the drilling machine platform through a connecting plate and a fastening bolt.
As a further preferred scheme, a spring pull buckle is arranged on the vehicle to firmly pull and tie the drilling machine platform.
As a further preferred solution, the drilling rig platform is provided with a lifting facility for adjusting the drilling height of the down-the-hole drill.
As a further preferred scheme, the lifting facility comprises a lifting frame and a hydraulic oil cylinder.
Compared with the prior art, the utility model has the following effects: the utility model uses the tunnel drilling trolley (simple down-the-hole drilling trolley) combining the down-the-hole drill and the vehicle to drill the advanced geological forecast hole, and uses the advanced geological forecast hole as the central cut hole, thereby successfully solving the difficult problem of complicated advanced detection of tunnel geological conditions, effectively shortening the construction period, saving the construction cost and improving the construction quality and efficiency.
Particularly, the simple down-the-hole drill carriage is simple to manufacture, flexible in equipment and easy to operate; the simple down-the-hole drill carriage is adopted to drill the advanced geological forecast hole as a central cut hole, so that the hole forming speed is high and the quality is easier to ensure; in addition, the advanced geological forecast holes replace central cut holes, have one hole and two purposes, and simultaneously operate with peripheral holes and auxiliary holes, so that the construction operation time is shortened, and the construction progress is ensured; by adopting the scheme of the utility model, the number of pore-forming and the amount of the explosive material are reduced, and the construction cost is saved; moreover, the aperture of the central cut hole is enlarged, and the blasting effect is obviously improved.
The utility model is suitable for hydraulic tunnels with medium and small cross sections, in particular to the tunnel excavation operation with one-time excavation cross section smaller than 15 square meters.
Drawings
FIG. 1 is a prior art gas stripping drilling hole-forming cloth hole diagram;
FIG. 2 is a hole-forming cloth hole diagram of the down-the-hole drill jumbo of the present invention;
FIG. 3 is a flow chart of the construction of the present invention;
FIG. 4 is a block diagram of the apparatus of the present invention;
FIG. 5 is a block diagram of an apparatus optimization scheme of the present invention;
fig. 6 is a structural view of the apparatus of the present invention provided with a lifting means.
Description of reference numerals: 1-hydraulic tunnel; 2-face, 3-rock stratum, 4-drill rod, 5-down-the-hole drill, 6-drill platform, 7-vehicle, 8-spring fastener, 9-support seat, 10-connecting plate, 11-fastening bolt, 12-lifting frame, 13-hydraulic oil cylinder, 14-central slotted hole, 15-hollow hole, 16-excavation contour line, 17-peripheral hole and 18-auxiliary hole.
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.
Referring to fig. 1 and 2, wherein fig. 1 is a prior art gas relief drilling hole forming layout, in fig. 1, a central cut hole 14 needs to be drilled at the center of a tunnel face, and hollow holes 15 are arranged along the periphery of the central cut hole 14, the hollow holes 15 are not filled with charge, peripheral holes 17 and auxiliary holes 18 are arranged at the same time, and the auxiliary holes 18 are used as collapse holes.
In the scheme of the utility model shown in fig. 2, the advanced geological prediction hole is directly used as the central cut hole 14, the aperture parameter is set to be 110-150 mm, the depth is about 8-15 m, and the aperture is far larger than the central cut hole 14 in fig. 1, no charge is filled in the central cut hole 14, the advanced geological prediction hole is used as the central cut hole 14, one hole is used for two purposes, no empty hole 15 is additionally arranged, the peripheral holes 17 and the auxiliary holes 18 are arranged at the same time, and the auxiliary holes 18 are used as collapse holes.
To achieve the above object, the present invention employs an apparatus as shown in fig. 4-6, which includes a vehicle 7 and a down-the-hole drill 5 mounted on a cargo box of the vehicle 7, the down-the-hole drill 5 being connected to the vehicle 7 by a drill platform 6; the drill platform 6 is provided with a support seat 9 for supporting and controlling the drilling direction of the drill rod 4 of the down-the-hole drill 5; the down-the-hole drill 5 is connected with the drill platform 6 through a connecting plate 10 and a fastening bolt 11.
As shown in figure 5, the vehicle 7 is provided with a spring pull buckle 8 to firmly pull the drilling machine platform 6, so that the stability of the drilling machine during operation is improved.
As shown in fig. 6, the drill platform 6 is provided with a lifting device for adjusting the drilling height of the down-the-hole drill 5. The lifting facility comprises a lifting frame 12 and a hydraulic oil cylinder 13. By arranging the lifting facilities, the device can adapt to the drilling requirements of different heights.
When the method is implemented specifically, the tunnel excavation process flow is shown in 3.
The operation points of each step are as follows:
1, measurement lofting:
the control point measurement adopts a total station instrument, a laser direction instrument is installed in the tunnel after the tunnel is entered for controlling the excavation of the tunnel face 2, a circle center method or a support distance method is adopted for paying off before drilling at each time, red paint is adopted for marking an excavation contour line on the excavation face 2, and the total station instrument is periodically adopted for checking, rechecking and correcting the infrared direction instrument in the tunnel.
2, manufacturing a drilling trolley:
according to the size of the section of the tunnel, a proper vehicle 7 is selected to transform the down-the-hole drill trolley, a lifting facility is additionally arranged to adjust the drilling height of the down-the-hole drill 5, and a vehicle tail gas filtering device is additionally arranged.
3, pore forming:
the drilling platform vehicle is used for drilling advanced geological forecast holes, and the air-leg type air drill is used for carrying out hole-forming operation construction on the peripheral holes 17 and the auxiliary holes 18.
4, charging and blasting:
the advanced geological forecast hole is not charged with powder, and the peripheral holes 17 and the auxiliary holes 18 are charged with powder, connected with lines and detonated according to the blasting design.
5, ventilation and risk elimination:
the tunnel ventilation adopts the forced axial fan to ventilate, treats that the air in the hole is qualified after, examines tunnel vault dangerous stone, finds hidden danger and in time handles.
6, deslagging:
and carrying out hole slag transportation by adopting a mode that an electric slag raking machine is matched with a slag discharging vehicle for loading and transporting.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a hydraulic tunnel drilling platform truck excavation construction equipment which characterized in that: the underground hole drilling machine comprises a vehicle (7) and an underground hole drill (5) arranged on a cargo box of the vehicle (7), wherein the underground hole drill (5) is connected to the vehicle (7) through a drill platform (6); the drilling machine platform (6) is provided with a supporting seat (9) for supporting and controlling the drilling direction of the drill rod (4) of the down-the-hole drill (5); the down-the-hole drill (5) is connected with the drill platform (6) through a connecting plate (10) and a fastening bolt (11).
2. The hydraulic tunnel drilling trolley excavation construction device of claim 1, wherein: the vehicle (7) is provided with a spring pull buckle (8) for firmly pulling and connecting the drilling machine platform (6).
3. The hydraulic tunnel drilling trolley excavation construction device of claim 1, wherein: the drilling machine platform (6) is provided with a lifting facility for adjusting the drilling height of the down-the-hole drill (5).
4. The hydraulic tunnel drilling trolley excavation construction device of claim 3, wherein: the lifting facility comprises a lifting frame (12) and a hydraulic oil cylinder (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121576600.4U CN216008502U (en) | 2021-07-12 | 2021-07-12 | Hydraulic tunnel drilling trolley excavation construction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121576600.4U CN216008502U (en) | 2021-07-12 | 2021-07-12 | Hydraulic tunnel drilling trolley excavation construction device |
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| CN216008502U true CN216008502U (en) | 2022-03-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338979A (en) * | 2021-07-12 | 2021-09-03 | 贵州水利实业有限公司 | Hydraulic tunnel drilling trolley excavation construction method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113338979A (en) * | 2021-07-12 | 2021-09-03 | 贵州水利实业有限公司 | Hydraulic tunnel drilling trolley excavation construction method and device |
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