CN219711591U - Nondestructive mounting device for shield tunnel measuring points - Google Patents
Nondestructive mounting device for shield tunnel measuring points Download PDFInfo
- Publication number
- CN219711591U CN219711591U CN202321271586.6U CN202321271586U CN219711591U CN 219711591 U CN219711591 U CN 219711591U CN 202321271586 U CN202321271586 U CN 202321271586U CN 219711591 U CN219711591 U CN 219711591U
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- fastener
- nut
- horn
- shield tunnel
- nondestructive
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- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 238000004080 punching Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 8
- 230000002411 adverse Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to a nondestructive installation device for a shield tunnel measuring point. At present, the problem that the appearance, the material and the safety of shield segments are influenced exists in the measure point punching installation measures. The device comprises a connecting piece, a locking nut and a fastener; the fastener is in a horn shape, one end of the fastener is an expansion end, the expansion end is divided into a plurality of horn sheets in a circumferential direction, adjusting seams are formed between the adjacent horn sheets in the circumferential direction, and a nut clamping hole is formed in the end part of the expansion end; the other end of the fastener is provided with threads and sleeved with the lock nut at the periphery, and the other end of the fastener is connected to the connecting piece. The device is provided with the horn-shaped fastener, can be buckled on the original connecting nut of the shield segment, does not need to be drilled and installed, can achieve the installation purpose through field test, avoids the damage to the appearance and the concrete structure of the shield segment, and avoids the potential safety hazard to the shield segment material.
Description
Technical Field
The utility model relates to the technical field of shield tunnel deformation monitoring, in particular to a nondestructive installation device for shield tunnel measuring points.
Background
In the construction process of the tunnel by the shield method, continuous deformation monitoring and shield segment health monitoring are required to be carried out on the tunnel, the assembly effect and deformation condition of the shield segment are mastered in time, the influence on the quality and safety of the tunnel is avoided, and the tunneling efficiency is influenced due to the damage of the shield segment. The current monitoring mainly uses manpower to perform periodic regional measurement, so that the efficiency is low, the manpower is consumed, and the problem that emergency cannot be found in time exists.
In order to overcome the technical defect of manual monitoring, a method for automatically monitoring by using a level gauge or a total station is proposed in the current engineering practice, measuring points are arranged on shield segments, measuring point devices are arranged on the measuring points, and deformation monitoring data of the shield segments can be rapidly and real-timely obtained. However, the existing shield tunnel measuring points all need to be punched on the side wall of the shield segment, the screw is utilized to fix the side wall of the shield segment, the appearance of the shield segment is damaged by the fixing mode, the concrete structure of the shield segment is further adversely affected, and the vibration generated during punching is also adverse to the safety of the shield segment material. Therefore, a new measure point installation measure needs to be provided, and adverse effects on shield segments are avoided.
Disclosure of Invention
The utility model aims to provide a nondestructive mounting device for a shield tunnel measuring point, which utilizes an original connecting nut on a shield segment to mount and fix so as to solve the problem that the appearance, the material and the safety of the shield segment are affected in the existing measuring point mounting measures.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a nondestructive mounting device for a shield tunnel measuring point comprises a connecting piece, a locking nut and a fastener;
the fastener is in a horn shape, one end of the fastener is an expansion end, the expansion end is divided into a plurality of horn sheets in a circumferential direction, adjusting seams are formed between the adjacent horn sheets in the circumferential direction, and a nut clamping hole is formed in the end part of the expansion end;
the other end of the fastener is provided with threads and sleeved with the lock nut at the periphery, and the other end of the fastener is connected to the connecting piece.
Further, the enlarged end ring is divided circumferentially into at least three horn segments.
Further, the connecting piece comprises a measuring point connecting plate and a bottom plate, and is L-shaped as a whole;
the bottom plate is connected with the fastener.
Further, a measuring point connecting screw hole is formed in the measuring point connecting plate.
Further, the cross section of the nut clamping hole is hexagonal.
Further, the inner wall of the nut clamping hole is provided with a ring-shaped gasket.
Further, one end of the locking nut, which is close to the nut clamping hole, is provided with an annular locking boss which extends outwards, and the shape of the inner wall of the locking boss is adapted to the horn shape of the fastener.
Compared with the prior art, the utility model has the following beneficial effects:
the nondestructive mounting device for the shield tunnel measuring point provided by the utility model has the advantages that the horn-shaped fastener is arranged and can be buckled on the original connecting nut of the shield segment, the drilling and the mounting are not needed, the mounting purpose can be achieved through the field test, the damage to the appearance and the concrete structure of the shield segment is avoided, and the potential safety hazard to the shield segment material is avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other embodiments of the drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of embodiment 1 of the present utility model.
Fig. 2 is a front view of embodiment 1 of the present utility model.
Fig. 3 is a left side view of embodiment 1 of the present utility model.
Fig. 4 is a right side view of embodiment 1 of the present utility model.
Fig. 5 is a rear view of embodiment 1 of the present utility model.
Fig. 6 is a bottom view of embodiment 1 of the present utility model.
Fig. 7 is a section A-A of fig. 2.
Fig. 8 is a sectional view of B-B in fig. 3.
Fig. 9 is a C-C section view of fig. 4.
Fig. 10 is a perspective view of embodiment 2 of the present utility model.
Fig. 11 is a front view of embodiment 2 of the present utility model.
Fig. 12 is a left side view of embodiment 2 of the present utility model.
Fig. 13 is a right side view of embodiment 2 of the present utility model.
Fig. 14 is a rear view of embodiment 2 of the present utility model.
Fig. 15 is a bottom view of embodiment 2 of the present utility model.
Fig. 16 is a section A-A of fig. 12.
Fig. 17 is a sectional view of B-B in fig. 14.
Fig. 18 is a C-C section view of fig. 13.
The marks in the figure are as follows:
1-connecting pieces, 11-measuring point connecting screw holes, 12-measuring point connecting plates and 13-bottom plates;
2-locking nuts and 21-locking bosses;
3-fasteners, 31-horn sheets, 32-nut clamping holes, 33-adjusting seams, 34-threads and 35-washers.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "disposed," and the like are to be construed broadly and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The utility model provides a nondestructive mounting device for a shield tunnel measuring point, which can be directly clamped and fixed on a connecting nut of a shield segment, is used as a mounting point of the measuring point, is hung on the shield segment, and can be connected with a measuring point device such as a prism, a positioning instrument and a monitoring target at the end part according to requirements.
Referring to fig. 1, the device comprises a connecting piece 1, a locking nut 2 and a fastener 3, which are made of metal, wherein the fastener 3 is used for clamping and connecting with the connecting nut of the shield segment, and the connecting piece 1 is used for connecting with a measuring point device.
The fastener 3 is in a horn shape, one end is an expansion end, the expansion end is divided into at least three horn sheets 31 in the circumferential direction, an adjusting slit 33 is formed between the adjacent horn sheets 31 in the circumferential direction, and a nut clamping hole 32 is arranged in the end part of the expansion end. The cross section of the nut clamping hole 32 is hexagonal and is adapted to the shape of the connecting nut of the shield segment, a ring-shaped gasket 35 can be arranged on the inner wall of the nut clamping hole 32, friction is increased, and meanwhile the connecting nut of the shield segment can be effectively protected. The other end of the fastener 3 is provided with a thread 34 and is looped around the lock nut 2 at the outer periphery, and the other end of the fastener 3 is connected to the connector 1. An annular locking boss 21 extending outwards is arranged at one end of the locking nut 2 close to the nut clamping hole 32, and the shape of the inner wall of the locking boss 21 is matched with the trumpet-shaped radian of the fastener 3.
The connecting piece 1 comprises a measuring point connecting plate 12 and a bottom plate 13, the whole body is L-shaped, measuring point connecting screw holes 11 are formed in the measuring point connecting plate 12, and the bottom plate 13 is connected with the fastener 3.
When in installation:
firstly, the lock nut 2 is rotated to move towards the direction of the connecting piece 1, the trumpet shape of the fastener 3 is opened, the adjusting slit 33 is widened, and the nut clamping hole 32 is enlarged;
secondly, sleeving the nut clamping hole 32 on a connecting nut of the shield segment, and rotating the locking nut 2 again to enable the locking nut to move towards the direction of the nut clamping hole 32, wherein the horn shape of the fastener 3 is reduced, the adjusting slit 33 is narrowed, and the nut clamping hole 32 is reduced, so that the connecting nut of the shield segment is firmly clamped, and fixing is realized;
and thirdly, installing a measuring point device by utilizing a measuring point connecting screw hole 11 and a bolt on the connecting piece 1, wherein the measuring point device is fixedly installed on the inner wall of the shield segment by means of the device.
The device can be arranged on the shield segment for a long time, can be reused, and can be replaced by any form of measuring point device according to the requirement.
The fastener 3 in the present device may be divided into different numbers of horn segments 31. As in embodiment 1 of fig. 1-9, the fastener 3 comprises 3 identical horn segments 31 arranged evenly around the circumference. In the embodiment 2 of fig. 10 to 18, the fastener 3 includes 6 horn pieces 31 of the same shape, which are uniformly arranged around the circumference.
The foregoing description of the utility model has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the utility model pertains, based on the idea of the utility model.
Claims (7)
1. The utility model provides a nondestructive installation device of shield tunnel measurement station which characterized in that:
the device comprises a connecting piece (1), a locking nut (2) and a fastener (3);
the fastener (3) is in a horn shape, one end of the fastener is an expansion end, the expansion end is divided into a plurality of horn sheets (31) in the circumferential direction, an adjusting slit (33) is formed between the adjacent horn sheets (31), and a nut clamping hole (32) is formed in the end part of the expansion end;
the other end of the fastener (3) is provided with threads (34) and is sleeved with the locking nut (2) at the periphery, and the other end of the fastener (3) is connected to the connecting piece (1).
2. The nondestructive mounting device for shield tunnel measuring points according to claim 1, wherein:
the enlarged end annular segment is divided into at least three horn segments (31).
3. The nondestructive mounting device for shield tunnel measuring points according to claim 2, wherein:
the connecting piece (1) comprises a measuring point connecting plate (12) and a bottom plate (13), and is L-shaped as a whole;
the bottom plate (13) is connected with the fastener (3).
4. A shield tunnel measurement point nondestructive installation device according to claim 3, wherein:
the measuring point connecting plate (12) is provided with a measuring point connecting screw hole (11).
5. The nondestructive mounting device for shield tunnel measuring points according to claim 4, wherein:
the cross section of the nut clamping hole (32) is hexagonal.
6. The nondestructive mounting device for shield tunnel measuring points according to claim 5, wherein:
the inner wall of the nut clamping hole (32) is provided with a ring-shaped gasket (35).
7. The nondestructive mounting device for shield tunnel measuring points according to claim 6, wherein:
one end of the lock nut (2) close to the nut clamping hole (32) is provided with an annular locking boss (21) extending outwards, and the shape of the inner wall of the locking boss (21) is matched with the horn shape of the fastener (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321271586.6U CN219711591U (en) | 2023-05-24 | 2023-05-24 | Nondestructive mounting device for shield tunnel measuring points |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321271586.6U CN219711591U (en) | 2023-05-24 | 2023-05-24 | Nondestructive mounting device for shield tunnel measuring points |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219711591U true CN219711591U (en) | 2023-09-19 |
Family
ID=87978329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321271586.6U Active CN219711591U (en) | 2023-05-24 | 2023-05-24 | Nondestructive mounting device for shield tunnel measuring points |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219711591U (en) |
-
2023
- 2023-05-24 CN CN202321271586.6U patent/CN219711591U/en active Active
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