CN114991824B - Fixing device for controlling angle of advanced small guide pipe in tunnel and construction method - Google Patents
Fixing device for controlling angle of advanced small guide pipe in tunnel and construction method Download PDFInfo
- Publication number
- CN114991824B CN114991824B CN202210941857.8A CN202210941857A CN114991824B CN 114991824 B CN114991824 B CN 114991824B CN 202210941857 A CN202210941857 A CN 202210941857A CN 114991824 B CN114991824 B CN 114991824B
- Authority
- CN
- China
- Prior art keywords
- guide pipe
- angle
- fixing device
- hole
- fixing frame
- 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.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 238000005553 drilling Methods 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000004080 punching Methods 0.000 claims abstract description 6
- 239000011435 rock Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000009412 basement excavation Methods 0.000 claims description 3
- 239000011440 grout Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 4
- 238000007747 plating Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a fixing device for controlling the angle of a small advanced guide pipe in a tunnel and a construction method, belonging to the technical field of construction tools; the fixing device includes: the center of the outer layer fixing frame is provided with an installation slot hole; the inner layer plate is arranged in the mounting slotted hole and is detachably and rotatably connected with the outer layer fixing frame through a connecting piece, a guide through hole is formed in the center of the inner layer plate, and the guide pipe is embedded into the guide through hole and is fixedly connected with the inner layer plate; the clamping pieces comprise two groups and are respectively arranged on the upper part and the lower part of the outer-layer fixing frame, and the clamping pieces are detachably connected with the steel arch frame. The construction method comprises the following steps: step one, installing a steel arch frame and punching; mounting a fixing device and adjusting the angle of the guide pipe; step three, drilling; and step four, installing a small advanced guide pipe. The fixing device disclosed by the invention is simple in structure and convenient to operate, can accurately control the construction angle in advance of the construction of the small guide pipe, reduces errors and has long pipe conveying length.
Description
Technical Field
The invention belongs to the technical field of construction tools, and particularly relates to a fixing device for controlling an angle of a small advanced guide pipe in a tunnel and a construction method.
Background
In the field of tunnel construction, under the construction method of the new Austrian method, advance support is an important process for pre-supporting surrounding rocks. The advanced small conduit is generally drilled on a profile steel arch frame in advance, then a handheld rock drill or a rock drilling trolley is used for drilling and grouting, the drilling angle can have various parameters according to the crushing degree of surrounding rocks, and the elevation angle mainly has the function of enabling slurry to flow into a front top crushed and joint developed geological structure or water-containing crushed soft rock cracks and be closely contacted with the surrounding rocks and solidified, so that the original loose soft soil particles or cracks are bonded into a whole.
The main difficulty of the quality of the advanced small catheter in the tunnel is that the driving angle and the pipe conveying length are difficult to control:
(1) The angle is set as nonstandard: most tunnel surrounding rocks needing to be drilled with the small advanced guide pipes are relatively broken or even extremely broken surrounding rocks, the advanced guide pipes are drilled by a manual rock drill, the general angle is 10 to 15 degrees or 40 degrees, the drilling personnel are 7~9 people, the drilling angles of different personnel at different positions are difficult to unify, and the circular distance and the direction of the finished advanced small guide pipes are not in accordance with the design requirements.
(2) The difficult satisfied requirement of sending pipe length, little pipe length in advance generally surpasss 3m, and the manual work is beaten and is established and accomplish and beat and accomplish once and finish, often has the condition of changing the drilling rod, and at this moment after changing the drilling rod, the pipe hole of beating is not straight, increases and send the pipe degree of difficulty, easily causes advance length not enough, and the circumstances of the not full grade weakening of slip casting is protected in advance.
At present, no device with simple structure and convenient operation can be used for drilling in an auxiliary mode, the angle of drilling is fixed, and a guarantee is provided for smooth pipe conveying of the advanced small catheter. There is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The invention aims to provide a fixing device for controlling the angle of a leading small guide pipe in a tunnel and a construction method, which at least solve the problems of poor angle uniformity and insufficient pipe conveying length in the conventional process of drilling the leading small guide pipe.
In order to achieve the above purpose, the invention provides the following technical scheme:
a fixture for controlling the angle of a leading small catheter within a tunnel, the fixture comprising:
the outer-layer fixing frame is provided with a mounting groove hole in the center;
the inner layer plate is arranged in the mounting groove hole and is detachably and rotatably connected with the outer layer fixing frame through a connecting piece, a guide through hole is formed in the center of the inner layer plate, and the guide pipe is embedded into the guide through hole and is fixedly connected with the inner layer plate;
the holder, the holder includes two sets ofly, sets up respectively the upper portion and the lower part of outer fixed frame, holder and steel bow member releasable connection, through the holder is realized fixing device and steel bow member's being connected and location.
At the fixing device of the leading little pipe angle of control in tunnel, it is preferred, outer fixed frame is the steel sheet, the connecting piece is the bolt with the cap, all be provided with the through-hole on two lateral walls that the steel sheet is relative, correspond the position with the through-hole on two lateral wall walls of inner plating and all be provided with the screw hole, outer fixed frame with through taking cap bolted connection between the inner plating, in order to realize the inner plating is along taking cap bolt axis as the rotation and the location of benchmark.
In the fixing device for controlling the angle of the advanced small guide pipe in the tunnel, preferably, the length of the installation slot is not less than that of the inner plate, and the height of the installation slot is not less than that of the inner plate.
The fixing device for controlling the angle of the advanced small guide pipe in the tunnel is preferred, the clamping piece comprises a pin shaft and a bolt nut assembly, the upper part and the lower part of the outer fixing frame are respectively provided with a pin hole, the pin shaft is in interference fit with the pin holes, the exposed end of the pin shaft is provided with an internal thread hole perpendicular to the axis of the pin shaft, and the bolt penetrates through the internal thread hole to abut against the end part on the steel arch frame so as to fix the outer fixing frame on the steel arch frame.
In the fixing device for controlling the angle of the small leading guide pipe in the tunnel, preferably, the outer fixing frame is a hollow steel plate.
In the fixing device for controlling the angle of the leading small catheter in the tunnel, preferably, a graduated scale is arranged on the nut of the cap bolt.
In the fixing device for controlling the angle of the advanced small guide pipe in the tunnel, the graduated scale is preferably evenly divided by 36 along the circumferential direction of the nut.
In the fixing device for controlling the angle of the small guide pipe in the tunnel, preferably, the inner diameter of the guide pipe is 62-65mm, and the guide pipe is welded with the inner layer plate.
A construction method for controlling the angle of a leading small guide pipe in a tunnel comprises the following steps:
step one, installing a steel arch frame and punching;
after tunnel excavation is finished, installing arch crown steel arch centering to support surrounding rock masses, wherein the steel arch centering is I-shaped steel, and punching is performed at intervals along the web plate of the I-shaped steel to form a web plate opening for grouting;
mounting a fixing device and adjusting the angle of the guide pipe;
assembling a fixing device, fixing the fixing device at the upper and lower wing edges of the I-steel through a clamping piece, rotating the inner plate at the center of the outer layer fixing frame through screwing the tightness of the cap-provided bolt, determining the inclination angle of the guide pipe, aligning the outlet of the guide pipe with the hole position of the web plate opening, and screwing the cap-provided bolt again after adjusting the angle;
step three, drilling;
a drill bit enters along the guide pipe to perform drilling construction;
step four, installing a small advanced guide pipe;
installing a leading small guide pipe in the drill hole, disassembling the clamping piece, taking down the fixing device, and installing a grout stop valve to perform grouting on the leading small guide pipe;
the fixing device adopts the fixing device for controlling the angle of the advanced small catheter in the tunnel.
In the construction method for controlling the angle of the advanced small guide pipe in the tunnel, preferably, in the second step, the panel of the outer fixing frame is arranged in parallel with the web of the i-shaped steel.
Has the beneficial effects that:
the fixing device is simple in structure and convenient to operate, can accurately control the construction angle in advance of the construction of the small guide pipe, and avoids errors caused by human factors; and simultaneously, the smoothness of the drilled hole is improved. The angle error of the advanced small conduit of the tunnel can be ensured within 3 degrees, the length of the conduit can reach more than 98% of the drilling depth, and the problems of large angle error and difficult conduit delivery of the long conduit are solved.
The construction method provided by the invention has simple and convenient process, the used materials are common materials in building construction, large-scale equipment such as a professional bolting machine is not required to be introduced, the workload of a reinforcing steel bar processing field is not required to be increased, the quality of the advanced small guide pipe pre-support can be greatly improved after the construction method is introduced, and effective guarantee is provided for the orderly tunnel footage and the entity detection.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
FIG. 1 is a schematic structural view of a fixing device according to an embodiment of the present invention (a clamping member is not shown);
FIG. 2 is a side view of a fixture and I-beam joint according to an embodiment of the present invention;
FIG. 3 is a side view of the attachment of the fixture to the I-beam in another state according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of an inner panel according to an embodiment of the present invention;
fig. 5 is a diagram showing a state in which the fixing device according to the embodiment of the present invention is used during construction.
In the figure: 1. an outer layer fixing frame; 11. mounting a slotted hole; 2. an inner layer board; 21. a threaded hole; 3. a guide tube; 4. a clamping member; 41. a pin shaft; 42. a bolt; 43. a nut; 5. a cap bolt; 6. opening a hole in the web plate; 7. and (4) H-shaped steel.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" as used herein are intended to be broadly construed, and may include, for example, fixed connections and removable connections; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
As shown in fig. 1 to 4, according to an embodiment of the present invention, there is provided a fixing device for controlling an angle of a leading small catheter in a tunnel, the fixing device including: the outer fixing frame 1, the inner plate 2 and the clamping piece 4.
The center of the outer fixed frame 1 is provided with a mounting slotted hole 11.
The inner plate 2 is arranged in the mounting groove hole 11, detachable and rotary connection is realized through the connecting piece and the outer fixed frame 1, a guide through hole is formed in the center of the inner plate 2, the guide pipe 3 is embedded into the guide through hole and is fixedly connected with the inner plate 2, and the axial direction of the guide pipe 3 is perpendicular to the surface of the inner plate 2.
In the embodiment of the present invention, the length of the installation slot 11 is not less than the length of the inner plate 2, the height of the installation slot 11 is not less than the height of the inner plate 2, and the installation slot 11 is large enough to facilitate the inner plate 2 to rotate smoothly inside the outer fixing frame 1.
In the specific embodiment of the invention, the outer-layer fixing frame 1 is a steel plate, preferably a hollow steel plate, and the hollow steel plate can provide enough strength on one hand, and can greatly reduce the weight of the device on the other hand, thereby meeting the use requirement; the inner plate 2 is also the steel sheet, and the connecting piece is for taking cap bolt 5, all is provided with the through-hole on two relative lateral walls of steel sheet of outer fixed frame 1, corresponds the position with the through-hole on two lateral wall walls of inner plate 2 and all is provided with screw hole 21, is connected through taking cap bolt 5 between outer fixed frame 1 and the inner plate 2 to realize that inner plate 2 is along taking cap bolt 5 axis as the rotation and the location of benchmark. The bolt with the cap 5 comprises a screw rod and a nut, the screw rod penetrates through the through hole and is in threaded connection with the inner layer plate 2, and the nut is buckled outside the outer-layer fixing frame 1 as a limiting part.
In the embodiment of the present invention, the inner layer panel 2 is a solid panel.
In the embodiment of the present invention, the depth of the threaded hole 21 in the inner plate 2 is 2-4cm (e.g., 2cm, 2.5cm, 3cm, 3.5cm, 4 cm).
Through adjusting the screw up and loosening of two relative cap bolts 5, can make inner plate 2 rotate to certain angle along the screw rod, and then control the orientation of stand pipe 3, confirmed the angle of later stage drilling promptly. The cap-equipped bolt 5 at one end can be fixed and screwed down, and the rotation angle of the inner plate 2 can be adjusted by adjusting the tightness degree of the cap-equipped bolt 5 at the other end, so that the operation is convenient.
In the embodiment of the present invention, a scale is provided on the nut of the cap bolt 5. The scale is evenly divided by 36 along the circumference of the nut. The difference between each scale mark is 10 degrees, and when the inner plate 2 is rotated, the scale can be referred to, so that the accuracy of the corner is improved.
The clamping pieces 4 comprise two groups and are respectively arranged on the upper portion and the lower portion of the outer-layer fixing frame 1, the clamping pieces 4 are detachably connected with the steel arch, and the fixing device and the steel arch are connected and positioned through the clamping pieces 4.
In the embodiment of the invention, the clamping member 4 comprises a pin shaft 41 and a bolt and nut assembly, the upper part and the lower part of the outer fixing frame 1 are respectively provided with a pin hole, the pin shaft 41 is arranged in the pin hole in a penetrating manner, the pin shaft 41 is in interference fit with the pin hole, the exposed end of the pin shaft 41 is provided with an internal threaded hole perpendicular to the axis of the pin shaft, the bolt 42 penetrates through the internal threaded hole to abut against the end part on the steel arch, so that the outer fixing frame 1 is fixed on the steel arch, and finally, the outer fixing frame is fixed by using a nut 43.
The steel arch frame uses the I-shaped steel 7, specifically, the upper part and the lower part of the outer layer fixing frame 1 are respectively provided with a group of clamping pieces 4, the bolt 42 penetrates through the internal thread hole of the pin shaft 41 and then abuts against the flange of the I-shaped steel 7, and the fixing device is fixed on the steel arch frame through the force application of the upper bolt 42 and the lower bolt 42. Due to the fact that the whole device is light in weight, the fixing device for controlling the angle of the advanced small guide pipe in the tunnel can be temporarily fixed through simple bolts and nuts, and after drilling is finished, the fixing device can be detached for next drilling. The device has simple structure and convenient operation, and can greatly save the construction time. The fixing device has strong mobility and is suitable for industrial application and popularization.
In the embodiment of the invention, the inner diameter of the guide tube 3 is 62-65mm (such as 63mm, 64mm, 65 mm), and the guide tube 3 is welded with the inner layer plate 2. The guide tube 3 is dimensioned to accommodate the size of the drill bit and the smooth delivery of the lead-through small catheter. The drill bit is a phi 60 drill bit.
The invention also provides a construction method for controlling the angle of the advanced small guide pipe in the tunnel, which is a use state diagram of the fixing device in the construction process as shown in figure 5, and the construction method comprises the following steps:
step one, installing a steel arch frame and punching;
after tunnel excavation is completed, the arch crown steel arch centering is installed to support surrounding rock masses, the steel arch centering is the I-steel 7, the I-steel 7 forms the steel arch centering, holes are formed in the web of the I-steel 7 at intervals in the transverse direction, a web opening 6 is formed, and the aperture of the web opening 6 is larger than the inner diameter of the guide pipe 3 and is used for grouting.
Step two, mounting a fixing device and adjusting the angle of the guide pipe 3;
the assembly fixing device keeps a panel of the outer-layer fixing frame 1 and a web plate of the I-steel 7 in parallel, the whole device is fixed at the upper and lower wing edges of the I-steel 7 through the clamping piece 4 (the device is fixed on the I-steel 7 through the pin shaft 41 and the bolt and nut assembly), the tightness of the screwing cap bolt 5 is adjusted, and the inner-layer plate 2 is rotated to a specific angle in the center of the outer-layer fixing frame 1 by referring to a graduated scale on the cap bolt 5 (when the inclination angle of the inner-layer plate 2 is adjusted, the cap bolt 5 at one end can be fixed, only the tightness of the cap bolt 5 at the other end is adjusted, and the operation is convenient), then the cap bolt 5 is screwed, the inner-layer plate 2 is fixed, the inclination angle of the guide pipe 3 is determined, and meanwhile, the outlet of the guide pipe 3 is ensured to be aligned with the hole 6 of the web plate.
Step three, drilling;
and preparing a drill bit with a corresponding diameter, starting drilling, and entering the drill bit along the guide pipe 3 to perform drilling construction.
Step four, installing a small advanced guide pipe;
the advanced small guide pipe is installed in the drill hole, after the pipe conveying is finished, the clamping piece 4 is disassembled, the fixing device is taken down, and the grout stop valve is installed to perform grouting on the advanced small guide pipe.
In conclusion, the fixing device disclosed by the invention is simple in structure and convenient to operate, can accurately control the construction angle when the small guide pipe is advanced to construct, and avoids errors caused by human factors; and simultaneously, the smoothness of the drilled hole is improved. The angle error of the advanced small conduit of the tunnel can be ensured within 3 degrees, the length of the conduit can reach more than 98% of the drilling depth, and the problems of large angle error and difficult conduit delivery of the long conduit are solved.
The construction method provided by the invention has simple and convenient process, the required materials are common materials in building construction, large-scale equipment such as a professional bolting machine is not required to be introduced, the workload of a reinforcing steel bar processing field is not required to be increased, the quality of the advanced small guide pipe pre-support can be greatly improved after the construction method is introduced, and effective guarantee is provided for the orderly footage of the tunnel and the entity detection.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A construction method for controlling the angle of a leading small guide pipe in a tunnel is characterized in that the construction method is completed by adopting a fixing device, and the fixing device comprises the following steps:
the outer-layer fixing frame is provided with a mounting groove hole in the center;
the inner plate is arranged in the mounting slotted hole and is detachably and rotatably connected with the outer-layer fixing frame through a connecting piece, a guide through hole is formed in the center of the inner plate, and the guide pipe is embedded into the guide through hole and is fixedly connected with the inner plate;
the clamping pieces comprise two groups which are respectively arranged at the upper part and the lower part of the outer layer fixing frame, the clamping pieces are detachably connected with the steel arch, and the fixing device is connected with and positioned on the steel arch through the clamping pieces;
the construction method comprises the following steps:
step one, installing a steel arch frame and punching;
after tunnel excavation is finished, installing arch crown steel arch centering to support surrounding rock masses, wherein the steel arch centering is I-shaped steel, and punching is performed at intervals along the transverse direction of a web plate of the I-shaped steel to form a web plate opening for grouting;
mounting a fixing device and adjusting the angle of the guide pipe;
assembling a fixing device, fixing the fixing device at the upper and lower wing edges of the I-steel through a clamping piece, rotating the inner plate at the center of the outer layer fixing frame through screwing the tightness of the cap-provided bolt, determining the inclination angle of the guide pipe, aligning the outlet of the guide pipe with the hole position of the web plate opening, and screwing the cap-provided bolt again after adjusting the angle;
step three, drilling;
a drill bit enters along the guide pipe to carry out drilling construction;
step four, installing a small advanced guide pipe;
installing the advanced small guide pipe in the drill hole, disassembling the clamping piece, taking down the fixing device, and installing the grout stop valve to perform grouting on the advanced small guide pipe.
2. The method as claimed in claim 1, wherein the clamping member includes a pin and a bolt and nut assembly, the upper and lower portions of the outer fixing frame are respectively provided with a pin hole, the pin is in interference fit with the pin hole, the exposed end of the pin is provided with an internal threaded hole perpendicular to the axis of the pin, and the bolt passes through the internal threaded hole to abut the end against the steel arch to fix the outer fixing frame on the steel arch.
3. The construction method for controlling the angle of the small lead pipe in the tunnel according to claim 1, wherein the outer fixing frame is a steel plate, the connecting member is a cap bolt, through holes are formed in two opposite side walls of the steel plate, threaded holes are formed in two side wall surfaces of the inner plate corresponding to the through holes, and the outer fixing frame and the inner plate are connected through the cap bolt to realize rotation and positioning of the inner plate along the axis of the cap bolt.
4. The method of claim 3, wherein the length of the installation slot is not less than the length of the inner plate, and the height of the installation slot is not less than the height of the inner plate.
5. The method for controlling the angle of the small lead pipe in the tunnel according to claim 3, wherein the outer fixing frame is a hollow steel plate.
6. The method for controlling the angle of the advanced small guide pipe in the tunnel according to claim 3, wherein a scale is provided on the cap of the cap bolt.
7. The method for controlling the angle of the advanced small guide pipe in the tunnel according to claim 6, wherein the graduated scale is evenly divided by 36 in the circumferential direction of the nut.
8. The construction method for controlling the angle of the small advancing pipe in the tunnel according to claim 1, wherein the inner diameter of the guide pipe is 62-65mm, and the guide pipe is welded to the inner plate.
9. The construction method for controlling the angle of the advanced small guide pipe in the tunnel according to claim 1, wherein in the second step, the panel of the outer fixing frame is arranged in parallel with the web of the I-shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210941857.8A CN114991824B (en) | 2022-08-08 | 2022-08-08 | Fixing device for controlling angle of advanced small guide pipe in tunnel and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210941857.8A CN114991824B (en) | 2022-08-08 | 2022-08-08 | Fixing device for controlling angle of advanced small guide pipe in tunnel and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114991824A CN114991824A (en) | 2022-09-02 |
| CN114991824B true CN114991824B (en) | 2023-04-11 |
Family
ID=83023096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210941857.8A Active CN114991824B (en) | 2022-08-08 | 2022-08-08 | Fixing device for controlling angle of advanced small guide pipe in tunnel and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114991824B (en) |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002081299A (en) * | 2000-09-06 | 2002-03-22 | Japan Found Eng Co Ltd | Settlement preventive base forming device |
| CN204691685U (en) * | 2015-06-18 | 2015-10-07 | 中铁十一局集团第一工程有限公司 | A kind of lock pin anchor tube drilling-hole positioning device |
| CN106907166B (en) * | 2017-04-19 | 2019-05-14 | 同济大学 | The locating connector of a kind of grillage and lock foot anchoring stock and its apply method |
| CN207377581U (en) * | 2017-11-10 | 2018-05-18 | 中铁四局集团第四工程有限公司 | A kind of advanced tubule positioning tool |
| CN207905843U (en) * | 2018-02-02 | 2018-09-25 | 中交三航局第三工程有限公司 | A kind of Simple tunnel steel arch frame lock foot anchoring stock positioning device |
| CN208534497U (en) * | 2018-06-26 | 2019-02-22 | 中铁五局集团贵州工程有限公司 | A kind of advanced tubule angle positioning device |
| CN208816154U (en) * | 2018-08-10 | 2019-05-03 | 中铁四局集团第四工程有限公司 | Lock foot anchor tube positioning tool |
| CN208934712U (en) * | 2018-09-25 | 2019-06-04 | 中交第三航务工程局有限公司南京分公司 | Wall multiple-arch tunnel transverse direction long duct positioning reinforcing device in a kind of nothing |
| CN109026076B (en) * | 2018-09-25 | 2024-01-19 | 中交第三航务工程局有限公司 | Positioning and reinforcing device for transverse long guide pipe of non-middle-wall multi-arch tunnel and mounting method |
| CN210264751U (en) * | 2019-05-20 | 2020-04-07 | 中铁十二局集团第四工程有限公司 | Lock foot anchor pipe positioner |
| CN210622814U (en) * | 2019-06-17 | 2020-05-26 | 中铁十七局集团第四工程有限公司 | Advanced small catheter driving angle positioning device |
| CN210919109U (en) * | 2019-08-22 | 2020-07-03 | 中铁开发投资集团有限公司 | Adjustable tunnel locking anchor rod guide device |
| CN209855831U (en) * | 2019-10-14 | 2019-12-27 | 西南石油大学 | Lock foot anchor pipe positioner |
| CN212803284U (en) * | 2020-04-21 | 2021-03-26 | 许东香 | Tunnel steel arch frame lock foot anchor pipe locating rack |
| CN212535666U (en) * | 2020-06-17 | 2021-02-12 | 中交第二航务工程局有限公司 | Angle-adjustable leading small catheter guiding device |
| CN111720147B (en) * | 2020-06-19 | 2021-07-30 | 贾承志 | Orientation device for locking anchor rod |
| CN213360116U (en) * | 2020-07-15 | 2021-06-04 | 中交第一航务工程局有限公司 | Adjustable drilling positioning and guiding device for tunnel advanced small catheter |
| CN111828052A (en) * | 2020-08-10 | 2020-10-27 | 中铁五局集团建筑工程有限责任公司 | Leading little pipe guiding orientation device |
| CN212837859U (en) * | 2020-08-28 | 2021-03-30 | 浙江钱塘江水利建筑工程有限公司 | Steel arch frame locking device for unfavorable geological tunnel construction |
| CN213683976U (en) * | 2020-11-30 | 2021-07-13 | 中铁二十三局集团第四工程有限公司 | Orientation device for drilling hole of tunnel arch frame foot locking anchor rod |
| CN112360347A (en) * | 2020-11-30 | 2021-02-12 | 中铁二十三局集团第四工程有限公司 | Orientation device for drilling hole of tunnel arch frame foot locking anchor rod |
| CN112901077B (en) * | 2021-05-06 | 2021-07-06 | 中铁九局集团第七工程有限公司 | Positioning device and positioning method for tunnel primary support steel arch anchor rod drilling |
| CN216305958U (en) * | 2021-11-08 | 2022-04-15 | 中铁十五局集团有限公司 | Tunnel bow member lock foot anchor pipe angle controller |
| CN114517701B (en) * | 2022-02-08 | 2024-07-23 | 中交二公局第三工程有限公司 | Tunnel steel arch centering lock foot anchor pipe angle control device |
-
2022
- 2022-08-08 CN CN202210941857.8A patent/CN114991824B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114991824A (en) | 2022-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109736368B (en) | Building translation quantitative deviation correction device and use method thereof | |
| CN110695584A (en) | Device for aligning concentricity of pile planting butt joint and automatically welding | |
| CN114991824B (en) | Fixing device for controlling angle of advanced small guide pipe in tunnel and construction method | |
| CN219034781U (en) | Positioning device for foot locking anchor pipe of grid of four limbs of tunnel | |
| CN117513340A (en) | Deep basal pit underground continuous wall seepage flow restoration auxiliary device | |
| CN209928020U (en) | Drilling tool accurate measurement positioning device and rotary drilling rig | |
| CN115522872A (en) | Portable anchor rod drilling construction angle control device and construction process | |
| CN114517701B (en) | Tunnel steel arch centering lock foot anchor pipe angle control device | |
| CN114737706B (en) | Large-area curtain wall keel structure and installation method thereof | |
| CN206386149U (en) | The full process positioning device for the perforate drilling that drilled for coal seam different orientations | |
| CN212535666U (en) | Angle-adjustable leading small catheter guiding device | |
| CN212612447U (en) | Double-barrelled slip casting stock structure | |
| CN212898370U (en) | Guiding system for drilling holes around smooth blasting of tunnel | |
| CN214739819U (en) | Scaffold for building links wall device | |
| CN114876538B (en) | Dynamic adjusting method for angle of foot-locking anchor pipe in tunnel | |
| CN211648018U (en) | Deep hole cutting device for subway construction | |
| CN210622814U (en) | Advanced small catheter driving angle positioning device | |
| CN214997745U (en) | Tunnel engineering lock foot stock and leading little pipe construction assistance-localization real-time ware | |
| CN118305522B (en) | Integrated steel structure correcting and welding device | |
| CN220791274U (en) | Fixing device for hitting tunnel steel arch centering foot locking anchor rod | |
| CN221591017U (en) | Lock foot stock positioning fixture device | |
| CN212561889U (en) | Integrated assembly type prefabricated steel member for green building | |
| CN221118467U (en) | Thin-wall steel pipe pile and butt-joint connection structure | |
| CN221275708U (en) | Natural gas deacidification modularization splicing apparatus | |
| CN218991512U (en) | Novel jumbolter support device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |