CN202074959U - Point measuring device of deformation monitoring combination for tunnel engineering - Google Patents
Point measuring device of deformation monitoring combination for tunnel engineering Download PDFInfo
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- CN202074959U CN202074959U CN 201120107272 CN201120107272U CN202074959U CN 202074959 U CN202074959 U CN 202074959U CN 201120107272 CN201120107272 CN 201120107272 CN 201120107272 U CN201120107272 U CN 201120107272U CN 202074959 U CN202074959 U CN 202074959U
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- measuring point
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Abstract
The utility model discloses a point measuring device of deformation monitoring combination for tunnel engineering, which comprises a monitoring embedded part, a convergence point measuring embedded part, a rotating hanging rod and a hanging prism. An expansion bolt is arranged on the monitoring embedded part and fixedly connected with a lifting hook, and a convergence point measuring device is arranged on the convergence point measuring embedded part and fixedly connected with a supporting rod and a convergence point measuring hook. A hook is arranged on the upper portion of the rotating hanging rod and connected with a rotating cylinder through a shaft sleeve, a spring is arranged in the rotating cylinder, an expansion rod is fixed on the lower portion of the rotating cylinder, and a spring piece is arranged on a side of the rotating cylinder. A prism is arranged on the hanging prism and connected with a prism hook through the shaft sleeve. The point measuring device can rapidly and accurately achieve measurement of horizontal convergence and arch crown sinking of a tunnel after the tunnel is excavated by using a total station, a precise level and a hanging ruler and being combined with the point measuring device of the deformation monitoring combination for the tunnel engineering, is simple and stable in structure, easy to operate and convenient to disassemble, greatly improves measurement efficiency and monitoring accuracy and reduces cost.
Description
Technical field
The utility model relates to the Geotechnical Engineering deformation monitoring device, particularly a kind of Tunnel Engineering deformation monitoring combination measuring point device.
Background technology
The Tunnel Engineering monitoring measurement is the important component part of tunnel dynamic design, has been used for fields, tunnel such as mine, railway, highway, water conservancy.A large amount of construction along with high-speed railway and high road highway, Tunnel Engineering is also increasing, the tunnel is as disguised engineering, there are a lot of probabilistic factors, tunnel monitoring can be for the construction safety in tunnel and the stability of tunnel support structure etc. provide reliable information, so people attempt to take various monitoring methods that the distortion in tunnel is tested.
The method that mainly applies at present to monitor in the tunnel has various convergence gauges, reaches horizontal convergence and vault sedimentation that precision level cooperates extension chi testing tunnel, and carries out displacement monitoring etc. with total powerstation and subsides reflecting prism.Preceding a kind of method measuring accuracy height, measuring point is easily buried underground, and cost is low, but shortcoming is to reserve in the excavation method of core soil in the tunnel, from be excavated to during the core earth removal is gone be can not testing tunnel the displacement of distortion, only behind core soil excavation, just can test, test data is not comprehensive.The latter need paste reflecting prism, and measuring point is buried inconvenience underground, contamination by dust such as easy injected concrete of reflecting prism in work progress, and measuring accuracy is not high, and fragile, and cost is also high.
The utility model content
In order to overcome existing Tunnel Engineering deformation monitoring measuring point device deficiency, the utility model provides a kind of Tunnel Engineering deformation monitoring combination measuring point device.
The technical scheme that its technical matters that solves the utility model adopts is:
Tunnel Engineering deformation monitoring combination measuring point device comprises monitoring built-in fitting, convergence measuring point built-in fitting, rotation peg, hanging prism; The monitoring built-in fitting is provided with expansion bolt and fixedlys connected with suspension hook; Convergence measuring point built-in fitting is provided with convergence measuring point device and fixedlys connected with support bar and convergence measuring point hook; Rotation peg top is provided with hook and connects rotating cylinder by axle sleeve, is provided with spring in the rotating cylinder, and the rotating cylinder bottom is fixed with expansion link, and the rotating cylinder side is provided with spring leaf; Hanging prism is provided with prism and connects the prism hook by axle sleeve.
Principle of work of the present utility model:
When tunnel excavation is reserved core soil, adopt total powerstation to cooperate prism to carry out the test of tunnel deformation.At first will monitor built-in fitting and be embedded in the arch, tunnel, to restrain the measuring point built-in fitting and be embedded in the left tunnel RightWall, then hanging prism is hung on the suspension hook of monitoring built-in fitting, and on the convergence measuring point hook of convergence measuring point built-in fitting, adopt the distortion of total powerstation testing tunnel.
When tunnel excavation finishes core soil and carries out the excavation of Lower Half, the tunnel clearance height uprises gradually, and tunnel deformation tends towards stability gradually, rate of deformation reduces gradually even is lower than 1mm, on the monitoring built-in fitting, do not use hanging prism, on former built-in fitting, adopt the rotation peg and hang chi to cooperate the arch sedimentation of precision level testing tunnel, adopt the higher convergence gauge (measuring accuracy can reach 0.1mm) of precision to carry out convergence test at the other convergence measuring point of convergence measuring point built-in fitting.
The beneficial effects of the utility model:
The utility model utilizes tunnel monitoring combined type measuring point device can be uninterruptedly the distortion of the process of haveing suffered of constructing tunnel to be tested, and ratio of precision adopts and traditional to be provided with fixedly that diaphragm employing total powerstation measuring accuracy improves greatly, cost also reduces greatly, remedies to adopt precision level and hang sinking of chi testing tunnel vault and convergence gauge testing level convergent deficiency.Have simple in structurely, stable, easy operating, convenient disassembly have improved the efficient of measuring greatly, have accelerated project progress, reduce cost.
Description of drawings
Fig. 1 is a monitoring embedded part structure synoptic diagram of the present utility model;
Fig. 2 is a convergence measuring point embedded part structure synoptic diagram of the present utility model;
Fig. 3 is a rotation peg structural representation of the present utility model;
Fig. 4 is a hanging prism structure synoptic diagram of the present utility model;
Fig. 5 is that the utility model is implemented synoptic diagram.
Parts and numbering among the figure:
1-monitors built-in fitting; 1.1-expansion bolt; 1.2-suspension hook; 2-convergence measuring point built-in fitting;
2.1-support bar; 2.2-convergence measuring point hook; 2.3-convergence measuring point device; 3-rotates peg;
3.1-hook; 3.2-rotating cylinder; 3.3-spring; 3.4-expansion link; 3.5-spring leaf;
The hanging prism of 4-; 4.1-prism; 4.2-prism hook; 5-hangs chi.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1～shown in Figure 4, Tunnel Engineering deformation monitoring combination measuring point device comprises monitoring built-in fitting 1, convergence measuring point built-in fitting 2, rotation peg 3, hanging prism 4; Monitoring built-in fitting 1 is provided with expansion bolt 1.1 and fixedlys connected with suspension hook 1.2;
Convergence measuring point built-in fitting 2 is provided with convergence measuring point device 2.3 and support bar 2.1 and restrains measuring point and link up with 2.2 and fixedly connected; Rotation peg 3 tops are provided with hook 3.1 and connect rotating cylinder 3.2 by axle sleeve, are provided with spring 3.3 in the rotating cylinder 3.2, and rotating cylinder 3.2 bottoms are fixed with expansion link 3.4, and rotating cylinder 3.2 sides are provided with spring leaf 3.5; Hanging prism 4 is provided with prism 4.1 and connects prism hook 4.2 by axle sleeve.
The open-angle of suspension hook 1.2, convergence measuring point hook 2.2, hook 3.1 and prism hook 4.2 is 45 °.
Implementation process
Element pre-buried:
The utility model is produced installation by Fig. 1～Fig. 5, according to the Tunnel Engineering field requirement, monitoring built-in fitting 1 is embedded in the top of tunneling, convergence measuring point built-in fitting 2 and existing convergence gauge measuring point are embedded in the precalculated position of the sidepiece in tunnel, outside the tunnel, reach and bury the control reference point in the tunnel respectively underground, be convenient to check.
Implement to measure:
Reserve the construction of core soil in the tunnel in earlier stage, with prism holder prism holder is located at reference point, with the elevation of total powerstation test benchmark point, more hanging prism 4 is hung on monitoring built-in fitting 1, the convergence measuring point built-in fitting 2, carry out under the vault in tunnel sinker and horizontal convergence point with total powerstation and test.
The elevation difference of the elevation of sinker and reference point is the height value of vault point with respect to reference point under institute's test vault, the height value of test is for the second time deducted the last time height value of test, be when vault fall rate relatively inferior and last test, the difference of height value that at every turn tests out and the height value that tests out first is the accumulative total deflection of institute's measuring point.
When utilizing rotation peg 3 to measure, because it is rotatable between hook 3.1 and the rotating cylinder 3.2, spring 3.3 has kept suitable rotary damping, no matter precision level is erected at which corner in tunnel, the chi face of hanging chi 5 all can be by rotation over against the instrument direction, and monitoring accuracy and efficient have not been improved in the position of mobile peg.
Use hanging prism 4 devices, only need 1 hanging prism 4 device, cooperate monitoring built-in fitting 1 and convergence measuring point built-in fitting 2 in the tunnel, overcome that reflection diaphragm was difficult for burying underground when the Membrane probing distortion was set fixedly, fragile and shortcomings such as pollution, cost height, realized total powerstation accurately measuring fast in construction work.
Behind the tunnel core soil excavation,, need to change the higher convergence of precision and take into account the distortion of precision level testing tunnel because tunnel deformation reduces gradually.
The horizontal convergence distortion adopts convergence gauge to carry out the rate of deformation and the aggregate-value of testing tunnel on the convergence measuring point of convergence measuring point built-in fitting 2, institute's test value is accumulated on the horizontal distortion aggregate-value of the total powerstation test of adopting before, is the accumulative total deformation values of tunnel whole process behind excavation.
The former reference point when still testing and the monitoring built-in fitting 1 of vault with total powerstation, carry out the test that vault sinks with precision level, Sopwith staff, rotary expansion link and extension chi, the deformation values of being tested is accumulated on the vault sinking aggregate-value of early stage with the total powerstation test, is the tunnel at the excavation accumulative total sinking value of whole process later.
The utility model is realized total powerstation, precision level and the convergence of extension chi testing level and vault sedimentation accurately measurement fast, simple in structure, working stability, easy operating, convenient disassembly have improved the efficient of engineering survey greatly, accelerated project progress, reduced cost.
Claims (2)
1. a Tunnel Engineering deformation monitoring combination measuring point device is characterized in that, comprises monitoring built-in fitting (1), convergence measuring point built-in fitting (2), rotation peg (3), hanging prism (4);
Described monitoring built-in fitting (1) is provided with expansion bolt (1.1) and fixedlys connected with suspension hook (1.2);
Described convergence measuring point built-in fitting (2) is provided with convergence measuring point device (2.3) and fixedlys connected with support bar (2.1) and convergence measuring point hook (2.2);
Described rotation peg (3) top is provided with hook (3.1) and connects rotating cylinder (3.2) by axle sleeve, be provided with spring (3.3) in the described rotating cylinder (3.2), rotating cylinder (3.2) bottom is fixed with expansion link (3.4), and described rotating cylinder (3.2) side is provided with spring leaf (3.5);
Described hanging prism (4) is provided with prism (4.1) and connects prism hook (4.2) by axle sleeve.
2. Tunnel Engineering deformation monitoring combination measuring point device according to claim 1, it is characterized in that: the open-angle of described suspension hook (1.2), convergence measuring point hook (2.2), hook (3.1) and prism hook (4.2) is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120107272 CN202074959U (en) | 2011-04-13 | 2011-04-13 | Point measuring device of deformation monitoring combination for tunnel engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120107272 CN202074959U (en) | 2011-04-13 | 2011-04-13 | Point measuring device of deformation monitoring combination for tunnel engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202074959U true CN202074959U (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120107272 Expired - Fee Related CN202074959U (en) | 2011-04-13 | 2011-04-13 | Point measuring device of deformation monitoring combination for tunnel engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202074959U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493989A (en) * | 2011-12-30 | 2012-06-13 | 山东大学 | Auxiliary device for monitoring and measuring convergence points in tunnel construction by cross diaphragm (CRD) method and method for burying auxiliary device |
| CN102494007A (en) * | 2011-12-30 | 2012-06-13 | 山东大学 | Auxiliary device for anti-destructive monitoring and measurement of convergence points in tunnel engineering and method for burying auxiliary device |
| CN102636153A (en) * | 2012-04-25 | 2012-08-15 | 中国十七冶集团有限公司 | Observation method of crown settlement and periphery convergence of tunnel |
| CN105318859A (en) * | 2014-08-01 | 2016-02-10 | 上海凯盾工程技术有限公司 | Method for directly measuring and monitoring sedimentation deformation of underground pipeline and building structure and device of method |
| CN108036707A (en) * | 2017-11-30 | 2018-05-15 | 浙江富春江水电设备有限公司 | Vertical hydropower generator Load brackets deflection metrology method |
| CN109307501A (en) * | 2018-12-12 | 2019-02-05 | 中国地质大学（武汉） | A kind of convergent device of level measurement tunnel clearance and its measurement method |
| CN109459074A (en) * | 2018-11-13 | 2019-03-12 | 中铁十六局集团有限公司 | A kind of folding assembled monitoring device |
| CN112595286A (en) * | 2020-11-17 | 2021-04-02 | 贵州大学 | Device and method for monitoring vault settlement and tunnel convergence of tunnel in real time |
-
2011
- 2011-04-13 CN CN 201120107272 patent/CN202074959U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493989A (en) * | 2011-12-30 | 2012-06-13 | 山东大学 | Auxiliary device for monitoring and measuring convergence points in tunnel construction by cross diaphragm (CRD) method and method for burying auxiliary device |
| CN102494007A (en) * | 2011-12-30 | 2012-06-13 | 山东大学 | Auxiliary device for anti-destructive monitoring and measurement of convergence points in tunnel engineering and method for burying auxiliary device |
| CN102636153A (en) * | 2012-04-25 | 2012-08-15 | 中国十七冶集团有限公司 | Observation method of crown settlement and periphery convergence of tunnel |
| CN105318859A (en) * | 2014-08-01 | 2016-02-10 | 上海凯盾工程技术有限公司 | Method for directly measuring and monitoring sedimentation deformation of underground pipeline and building structure and device of method |
| CN105318859B (en) * | 2014-08-01 | 2019-06-25 | 上海凯盾工程技术有限公司 | Directly measurement monitoring underground utilities and building structure sedimentation and deformation method and device thereof |
| CN108036707A (en) * | 2017-11-30 | 2018-05-15 | 浙江富春江水电设备有限公司 | Vertical hydropower generator Load brackets deflection metrology method |
| CN109459074A (en) * | 2018-11-13 | 2019-03-12 | 中铁十六局集团有限公司 | A kind of folding assembled monitoring device |
| CN109307501A (en) * | 2018-12-12 | 2019-02-05 | 中国地质大学（武汉） | A kind of convergent device of level measurement tunnel clearance and its measurement method |
| CN112595286A (en) * | 2020-11-17 | 2021-04-02 | 贵州大学 | Device and method for monitoring vault settlement and tunnel convergence of tunnel in real time |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20140413 |