CN215057580U - Adjustable tunnel supporting positioning and primary supporting inner contour line monitoring device - Google Patents
Adjustable tunnel supporting positioning and primary supporting inner contour line monitoring device Download PDFInfo
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- CN215057580U CN215057580U CN202120989832.6U CN202120989832U CN215057580U CN 215057580 U CN215057580 U CN 215057580U CN 202120989832 U CN202120989832 U CN 202120989832U CN 215057580 U CN215057580 U CN 215057580U
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Abstract
The utility model discloses an adjustable tunnel supporting positioning and primary supporting inner contour line monitoring device, which comprises a fixing device and an infrared transmitting device; the fixing device comprises a fixing support, a sliding piece and a first fixing piece, the fixing support is arranged along the inner wall of the primary arch frame, a sliding groove is formed in the fixing support, the sliding piece is arranged in the sliding groove, and the first fixing piece is arranged on the sliding piece; the infrared emission device is arranged on the first fixing piece. The utility model discloses a monitoring devices need mark measuring point and excavation back measuring point when solving tunnel excavation lose, guide the excavation and the just operation of erecting the frame in tunnel, save the activity duration, improved the efficiency of measurement and construction, practice thrift manpower resources to can monitor and accomplish just whether there is serious super-excavation or underexcavation in shotcrete, thereby reduce the quality hidden danger.
Description
Technical Field
The utility model relates to a tunnel construction technical field especially relates to an adjustable tunnel is strutted location and is just propped interior contour line monitoring devices.
Background
The tunnel engineering construction is carried out in a relatively closed space, has high requirements on measurement technology, and needs to measure the cross section before and after excavation and during installation of an arch center. At present, tunnel measurement adopts a surveyor to prepare a whole station instrument for lofting, and the professional degree is high; after tunnel face excavation (blasting or mechanical excavation), marked measuring points are lost, the primary support frame needs to be lofted again, the measuring time is long, and the construction progress is influenced; when the primary support section is subjected to repeated measurement, a point-surface measurement method is adopted by a measuring person, the measuring time is long, partial over-underexcavation points are easy to omit, and quality hidden troubles such as late lining underexcavation or void exist.
Disclosure of Invention
The utility model provides a tunnel excavation is strutted location and is just propped up interior contour line monitoring devices with adjustable, need mark measuring point and excavation back measuring point lose when solving tunnel excavation, guide tunnel excavation and just prop up the operation of erector.
In order to realize the purpose, the technical scheme of the utility model is that:
an adjustable tunnel supporting positioning and primary supporting inner contour line monitoring device comprises a fixing device and an infrared transmitting device; the fixing device comprises a fixing support, a sliding piece and a first fixing piece, the fixing support is arranged along the inner wall of the primary arch centering, a sliding groove is formed in the fixing support, the sliding piece is arranged in the sliding groove, and the first fixing piece is arranged on the sliding piece; the infrared emission device is arranged on the first fixing piece.
Furthermore, first through holes are formed in two ends of the fixing support, fixing clamps are arranged in the first through holes, and the fixing support and the primary arch frame are fixed through the fixing clamps.
Further, the infrared transmitting device comprises a longitudinal adjusting bolt, a transverse adjusting bolt, a bracket and a second fixing piece; the longitudinal adjusting bolt is arranged at the upper end of the bracket, the transverse adjusting bolt is arranged at the lower end of the bracket, and the second fixing piece is arranged on one side of the transverse adjusting bolt.
Furthermore, the bracket is L-shaped, a first fastener is arranged on the second fixing piece, and the longitudinal adjusting bolt, the transverse adjusting bolt and the second fixing piece are connected through the bracket.
Further, the outer diameter of the transverse adjusting bolt is larger than that of the longitudinal adjusting bolt.
Furthermore, the infrared emission device is sleeved on the first fixing piece and is fixed through the second fixing piece and the first fastening piece.
The clamping device further comprises a clamping piece and a fixing block, wherein second through holes are formed in two sides of the clamping piece, and second fastening pieces are arranged in the second through holes; the fixed blocks are arranged on the outer side walls at two ends of the sliding piece; the clamping piece and the fixing support are fixed through the second fastening piece and the fixing block.
Further, the joint piece matches with the fixed bolster, joint piece both ends are provided with the third through-hole, first mounting can pass the third through-hole.
The utility model discloses an adjustable tunnel is strutted location and is supported interior contour line monitoring devices just, through laying infrared emission device on the face guide excavation, grudging post operation, the time of strutting that shortens the tunnel initial stage that can be very big saves the activity duration, improves the efficiency of measuring, construction, practices thrift manpower resources. Through sliding infrared emission device along the annular sliding groove, whether the primary shotcrete that has been accomplished has serious overbreak or underdigging, reduces the quality hidden danger.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic view of a fixing device;
FIG. 2 is a schematic structural view of a tunnel face;
FIG. 3 is a schematic view of the structure of the hard metal card stopping device;
FIG. 4 is a schematic view of the soft metal card stopping device;
FIG. 5 is a schematic view of an infrared emitting device;
FIG. 6 is a schematic view of a longitudinal adjusting bolt of the infrared emitting device;
fig. 7 is a schematic view of a structure of a transverse adjusting bolt of the infrared emitting device.
In the figure, 1, an arch center is firstly supported, 2, a fixing support, 3, a sliding part, 4, a first fixing part, 5, a fixing clamp, 6, an excavated section, 7, a section of the first support, 8, an infrared emission device, 9, a longitudinal adjusting bolt, 10, a transverse adjusting bolt, 11, a power supply line, 12, a bracket, 13, a second fixing part, 14, a first fastening part, 15, a clamping part, 16, a second fastening part, 17, a fixing block, 18 and a sliding groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the adjustable tunnel supporting positioning and primary supporting inner contour line monitoring device comprises a fixing device and an infrared transmitting device 8; the fixing device comprises a fixing support 2, a sliding part 3 and a first fixing part 4, the fixing support 2 is arranged along the inner wall of the primary arch centering 1, a sliding groove 18 is formed in the fixing support 2, the sliding part 3 is arranged in the sliding groove 18, and the first fixing part 4 is arranged on the sliding part 3; the infrared emission device 8 is disposed on the first fixing member 4. Further, the infrared emitting device 8 is sleeved on the first fixing member 4 and fixed by the second fixing member 13 and the first fastening member 14. In this embodiment, preferably, the fixing clips 5 are fixed by bolts, the fixing supports 2 are circumferentially fixed and matched with the primary support section 7 in structure, the number of the fixing supports 2 is 5, the fixing supports are distributed on the top of the arch with the primary support section, one fixing support is circumferentially arranged on each of two sides of the arch, and one fixing support is arranged on each of two sides of the bottom of the arch; the sliding piece 3 is rectangular, is 3-5 cm wide in the sliding direction, can slide in the sliding groove, is small in cross section size, and does not influence sliding in the primary arch sliding piece. First mounting 4 is diameter 10mm round steel, is connected with infrared emission device 8, and first fastener 14 is the screw, and wherein first mounting 4 passes second mounting 13, and through the rotation first fastener 14 reaches the fastening effect.
As shown in fig. 1, further, first through holes are formed at two ends of the fixing bracket 2, fixing clips 5 are arranged in the first through holes, and the fixing bracket 2 and the primary arch centering 1 are fixed by the fixing clips 5. In this embodiment, it is preferable that the fixing bracket 2 is accurately and firmly fixed on the preliminary supporting section 7 by embedding the fixing clip 5 on the preliminary supporting section 7 after the tunnel is completed.
As shown in fig. 5-7, further, the infrared emitting device 8 includes a longitudinal adjusting bolt 9, a transverse adjusting bolt 10, a bracket 12 and a second fixing member 13; the longitudinal adjusting bolt 9 is arranged at the upper end of the bracket 12, the transverse adjusting bolt 10 is arranged at the lower end of the bracket 12, and the second fixing piece 13 is arranged at one side of the transverse adjusting bolt 10. Further, the bracket 12 is L-shaped, the second fixing member 13 is provided with a first fastening member 14, and the longitudinal adjusting bolt 9, the transverse adjusting bolt 10 and the second fixing member 13 are connected through the bracket 12. Further, the outer diameter of the transverse adjusting bolt 10 is larger than that of the longitudinal adjusting bolt 9. In this embodiment, the longitudinal adjusting bolt 9 and the transverse adjusting bolt 10 can adjust the angle and position of the infrared emitting device 8, wherein when an operator simultaneously adjusts the adjusting bolts at the left and right ends of the longitudinal adjusting bolt 9 to rotate in the counterclockwise direction, the infrared emitting device can adjust the downward swing angle and position, and when the operator simultaneously adjusts the adjusting bolts at the left and right ends of the longitudinal adjusting bolt 9 to rotate in the clockwise direction, the infrared emitting device can adjust the upward swing angle and position; when an operator simultaneously adjusts the adjusting bolts at the upper and lower ends of the transverse adjusting bolt 10 to make them both rotate counterclockwise or both rotate clockwise, the angle and position of the infrared emitting device swinging leftward or rightward can be adjusted.
As shown in fig. 3, the fixing device further comprises a clamping piece 15 and a fixing block 17, wherein second through holes are formed in two sides of the clamping piece 15, and second fastening pieces 16 are arranged in the second through holes; the fixed blocks 17 are arranged on the outer side walls of the two ends of the sliding part 3; the clamping piece 15 and the fixed bracket 2 are fixed through the second fastening piece 16 and the fixed block 17. Further, joint spare 15 cooperatees with fixed bolster 2, joint spare 15 both ends are provided with the third through-hole, first mounting 4 can pass the third through-hole. In this embodiment, during non-construction time, the infrared emitting device and the fixing device both stay at the bottom of the fixing bracket 2. In the embodiment, the infrared device cannot slide when being driven manually; if slipping occurs, the monitoring device is further provided with a clamping piece 15 and a fixing block 17, the clamping piece 15 and the fixing block 17 are matched with the fixing support 2, preferably, the fixing support 2 is made of soft metal such as aluminum alloy or the like or hard metal such as stainless steel or the like, the second fastening piece 16 is a rotating steel screw, and the fixing block 17 is a rubber block; when the fixed support 2 is made of hard metal such as stainless steel and the infrared device slips, the clamping piece 15 is clamped and fixed on the outer side of the fixed support 2, and the fixed support 2 is clamped and stopped by fastening the second fastening pieces 16 at two ends with the fixed block 17 to prevent the fixed support from slipping; as shown in fig. 4, when the fixing bracket 2 is made of soft metal such as aluminum alloy, and the infrared device slides, the clamping member 15 is clamped and fixed on the outer side of the fixing bracket 2, the second fastening members 16 at two ends are clamped, stopped and screwed with the fixing bracket 2 to achieve the purpose of clamping and stopping the fixing bracket 2, and the fixing block 16 on the outer side of the fixing bracket 2 can be removed to achieve the purpose of clamping and stopping the fixing bracket and prevent the fixing bracket from sliding.
Marking an excavation measuring point, firstly constructing a tunnel excavation section 6 to form a primary support section 7, fixing a primary support arch frame 1 on the primary support section 7, then embedding a fixing clamp 5 along the primary support arch frame 1 to fixedly install a fixing support 2, and fixedly installing an infrared emission device on a sliding part 3 and a first fixing part 4 of the fixing device on the fixing support 2 in sequence, wherein a power supply line 11 of the infrared emission device 8 supplies power to the infrared emission device; after all the parts are installed, before construction, engine oil or silicone oil with high viscosity is coated between the fixed support 2 and the sliding part 3, so that the sliding part can be ensured to normally slide when an operator manually adjusts the sliding part; the sliding groove is protected, and the expansion and damage of the sliding groove channel caused by multiple times of friction are avoided; because of the high viscosity of the coating, the sliding member 3 and the infrared emitting device 8 can be kept substantially stationary in the sliding groove in a non-external force state. According to the specific construction situation, firstly, the reference point of the infrared transmitting device is measured and corrected, secondly, the vertical and horizontal positions and angles of the infrared transmitting device are adjusted by adjusting the longitudinal adjusting bolt 9 and the transverse adjusting bolt 10, the excavation marking measuring point of the tunnel face is determined, and the excavation placing point of the tunnel face and the construction of the primary support are guided.
Monitoring the primary support overbreak and underbreak condition, constructing on a tunnel excavation section 6 to form a primary support section 7, fixing a primary support arch center 1 on the primary support section 7, then embedding a fixing clamp 5 on the primary support arch center 1 to fixedly install a fixing support 2, and fixedly installing an infrared emission device on a sliding part 3 and a first fixing part 4 of a fixing device on the fixing support 2 in sequence; after all the parts are installed, before construction, engine oil or silicone oil with high viscosity is coated between the fixed support 2 and the sliding part 3, so that the sliding part can be ensured to normally slide when an operator manually adjusts the sliding part; the sliding groove is protected, and the expansion and damage of the sliding groove channel caused by multiple times of friction are avoided; because of the high viscosity of the coating, the sliding member 3 and the infrared emitting device 8 can be kept substantially stationary in the sliding groove in a non-external force state. According to the specific construction situation, firstly, the reference point of the infrared emission device is measured and corrected, and secondly, the position and the angle of the infrared emission device are adjusted by adjusting the longitudinal adjusting bolt 9 and the transverse adjusting bolt 10, so as to guide the excavation and the point placement of the tunnel primary support section 7 and the construction of the primary support. On the finished tunnel primary support section 7, a technician slides the infrared emission device along the annular fixed support 2 to detect whether the finished primary support section has the condition of primary support overbreak.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a tunnel supporting location and first interior contour line monitoring devices who props with adjustable which characterized in that includes: a fixing device and an infrared emitting device (8); the fixing device comprises a fixing support (2), a sliding piece (3) and a first fixing piece (4), the fixing support (2) is arranged along the inner wall of the primary arch centering (1), a sliding groove (18) is formed in the fixing support (2), the sliding piece (3) is arranged in the sliding groove (18), and the first fixing piece (4) is arranged on the sliding piece (3); the infrared emission device (8) is arranged on the first fixing piece (4).
2. The adjustable tunnel supporting positioning and primary supporting inner contour line monitoring device as claimed in claim 1, wherein first through holes are formed in two ends of the fixing support (2), fixing clamps (5) are arranged in the first through holes, and the fixing support (2) and the primary supporting arch centering (1) are fixed through the fixing clamps (5).
3. The adjustable tunnel supporting positioning and initial contour line monitoring device as claimed in claim 1, wherein said infrared emitting device (8) comprises a longitudinal adjusting bolt (9), a transverse adjusting bolt (10), a bracket (12) and a second fixing member (13); the longitudinal adjusting bolt (9) is arranged at the upper end of the bracket (12), the transverse adjusting bolt (10) is arranged at the lower end of the bracket (12), and the second fixing piece (13) is arranged on one side of the transverse adjusting bolt (10).
4. The adjustable tunnel supporting positioning and initial contour line monitoring device as claimed in claim 3, wherein the bracket (12) is L-shaped, the second fixing member (13) is provided with a first fastening member (14), and the longitudinal adjusting bolt (9), the transverse adjusting bolt (10) and the second fixing member (13) are connected through the bracket (12).
5. The adjustable tunnel supporting positioning and initial contour line monitoring device as claimed in claim 4, wherein the outer diameter of the transverse adjusting bolt (10) is larger than the outer diameter of the longitudinal adjusting bolt (9).
6. The adjustable tunnel supporting positioning and initial contour line monitoring device as claimed in claim 5, wherein said infrared emitting device (8) is sleeved on said first fixing member (4) and fixed by said second fixing member (13) and said first fastening member (14).
7. The adjustable tunnel supporting positioning and primary inner contour line monitoring device according to claim 6, further comprising a clamping member (15) and a fixing block (17), wherein second through holes are formed in two sides of the clamping member (15), and second fastening members (16) are arranged in the second through holes; the fixed blocks (17) are arranged on the outer side walls of the two ends of the sliding piece (3); the clamping piece (15) and the fixing support (2) are fixed through the second fastening piece (16) and the fixing block (17).
8. The adjustable tunnel supporting positioning and initial contour line monitoring device as claimed in claim 7, wherein said clamping member (15) is engaged with the fixing bracket (2), and third through holes are provided at both ends of said clamping member (15), through which said first fixing member (4) can pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120989832.6U CN215057580U (en) | 2021-05-10 | 2021-05-10 | Adjustable tunnel supporting positioning and primary supporting inner contour line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120989832.6U CN215057580U (en) | 2021-05-10 | 2021-05-10 | Adjustable tunnel supporting positioning and primary supporting inner contour line monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215057580U true CN215057580U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120989832.6U Active CN215057580U (en) | 2021-05-10 | 2021-05-10 | Adjustable tunnel supporting positioning and primary supporting inner contour line monitoring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN215057580U (en) |
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2021
- 2021-05-10 CN CN202120989832.6U patent/CN215057580U/en active Active
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