CN205482923U - Underground works vault settlement measuring device based on total powerstation method - Google Patents
Underground works vault settlement measuring device based on total powerstation method Download PDFInfo
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- CN205482923U CN205482923U CN201620289483.6U CN201620289483U CN205482923U CN 205482923 U CN205482923 U CN 205482923U CN 201620289483 U CN201620289483 U CN 201620289483U CN 205482923 U CN205482923 U CN 205482923U
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- total powerstation
- vault settlement
- rod member
- measuring equipment
- settlement measuring
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Abstract
The utility model discloses an underground works vault settlement measuring device based on total powerstation method, the pre -buried member of helicitic texture all is provided with including both ends to the inflation fastener of buryying the end in this pre -buried member is connected to the screw thread mode, and connect in the measurement component of the pre -buried member other end, the measurement component include with end screw thread connection's fixed joint is buryyed to pre -buried member non -, with this fixed joint swing joint's base for lock the set screw of this fixed joint and base, fix the backup pad of base bottom to and paste the reflection of light piece on this backup pad lateral surface. The utility model discloses but convenience, effectual, the convenient reuse of each part dismantlement of fastening are buried underground to the measurement station, have very high practical value and wide application prospect.
Description
Technical field
This utility model relates to a kind of underground engineering monitoring measurement device, specifically, relates to a kind of underground engineering Vault settlement measuring equipment based on total powerstation method.
Background technology
The underground engineerings such as tunnel, tunnel, mountain ridge cave depot, due to its disguise constructed, the complexity of geology, the multiformity of construction and the polytropy of environment, cause difficulty of construction big, easily fall block and the security incident such as cave in, not only severely impact engineering construction progress, the most greatly threaten the life security of workmen.Monitoring measurement refers to during underground engineering construction country rock, earth's surface, the deformation of supporting construction and steady statue, and the current observation that dynamically carries out of surrounding enviroment and measurement tasks.Be it will be seen that and grasp the steady statue of country rock and the degree of reliability of supporting structure system by monitoring measurement, guarantee that construction safety and supporting construction are stable, for construction being changed Grades of Surrounding Rock, adjusting preliminary bracing and secondary lining parameter, guiding construction order, revise and optimize design and provide foundation, the safety monitoring of underground engineering construction is had and is of great significance.
Tunnel vault settlement measurement is one of main contents of underground engineering monitoring measurement, its measurement apparatus mainly has level gauge, convergence gauge, total powerstation etc., compared with level gauge, convergence gauge, total powerstation has that precision is high, testing convenient, the transmission side data advantage such as just, is the most frequently used instrument of tunnel vault settlement measurement.For the underground engineering Vault settlement measurement of total powerstation method, owing to keystone is higher, it is impossible to set up single prism, the most commonly used method at measuring point patch reflection plaster to measure at vault.
The measuring point of patch reflection plaster is buried step underground and is: first, by Plate Welding on reinforcing bar, be fabricated to measuring point；Then, insert reinforcing bar after using drill hole of drilling machine and use Anchor Agent to be fixed；After just a concrete ejection completes, in time reflection plaster is pasted on steel plate, it is ensured that firm pasting is reliable.
It is not enough to there is some during burying underground in above-mentioned measuring point:
1. use reinforcing bar to go deep into country rock inner wall tightening weak effect, once wall rock loosening, test result and continuity will be directly affected；
2. reflection plaster is pasted in high-altitude, and operation easier is big, and operator safety is difficult to ensure that, and effect is difficult to confirm；
3. reflection plaster cannot avoid pollution and the destruction that it causes by engineering construction after pasting, and cannot automatically recover again to original state, change the most extremely inconvenient, and therefore, seriality and the accuracy of measurement data are the lowest；
4. measuring point uses welding manner to connect reinforcing bar and steel plate, cannot reuse after fixing, and measures cost high；
5., after preliminary bracing has been constructed, in the case of Vault settlement amount is relatively big, the enforcement difficulty setting up monitoring stations is very big, and motility is very poor.
Utility model content
In order to overcome the above-mentioned problems in the prior art, this utility model provides a kind of underground engineering Vault settlement measurement apparatus based on total powerstation method, and measuring point buries convenience, fastening effect parts convenient disassembly good, each and repeatable utilization underground.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Underground engineering Vault settlement measuring equipment based on total powerstation method, is provided with the pre-buried rod member of helicitic texture including two ends, is connected in a threaded manner to the expansion fastener of this pre-buried rod member embedment end, and is connected to the measurement parts of the described pre-buried rod member other end；Described measurement parts include the anchor tip threadeded with described pre-buried rod member non-embedment end, the pedestal being flexibly connected with this anchor tip, for locking the location screw of this anchor tip and pedestal, it is fixed on the gripper shoe of described base bottom, and is pasted onto the reflecting piece on this gripper shoe lateral surface.
Further, the sidewall of described pedestal is provided with is easy to the connecting hole that anchor tip snaps in, and its top is provided with to be easy to position screw and penetrate and lock the hole, location of anchor tip.
Yet further, described anchor tip is made up of the base being sequentially connected with, cylindrical rods, semiglobe, the bottom of described base offers the screw that the non-embedment end with pre-buried rod member is threadeded, and described semiglobe is connected with the connecting hole coupling of described pedestal sidewall.
Preferably, described reflecting piece be provided centrally with crosshair.
Preferably, the described a length of 300 ~ 500mm of pre-buried rod member, its embedment end reach is 50mm, and non-embedment end reach is 10mm.
Preferably, described location screw is T-shaped swing handle screw, and its length is more than the length in hole, location.
Preferably, described pedestal is fixed on the center of described gripper shoe.
Preferably, described expansion fastener is interior tooth form expansion anchor.
Preferably, described pre-buried rod member, expansion fastener, anchor tip, pedestal, location screw and gripper shoe are made by galvanized steel.
Compared with prior art, this utility model has the advantages that
(1) after in this utility model, expansion fastener and pre-buried rod member insert casing, by the effect of expansion fastener, make pre-buried rod member fastening effect sufficiently stable, be almost negligible by loosening impact of casing, substantially increase data accuracy and the reliability of long-term measurement.Measure parts and be connected to the non-embedment end of pre-buried rod member threadably, load and unload very convenient, more can change measurement parts at any time for different country rock situations, even change measuring point, there is the highest motility.
(2) in this utility model, each assembly all uses engagement thread to be flexibly connected, once assembly damages or contaminated, all can directly and quickly be replaced, and little because changing the error that parts bring, negligible, it is ensured that being carried out continuously for a long time of test job；Unspoiled measurement parts then can reuse, and effectively reduces measurement operation cost.
(3) a length of 300 ~ 500mm of pre-buried rod member in this utility model, cooperation expansion fastener can be buried in wall rock loosening ring, the reach of its embedment end is 50mm, interior tooth form expansion fastener can be promoted during burying underground fully to open, thus be firmly anchored in casing, so, after supporting completes in the early stage, even if running into country rock large deformation, it is also ensured that the stability of pre-buried rod member, not only ensure the accuracy of later stage measurement, and provide wide space for the selection of measuring point during monitoring.
(4) in this utility model, expansion fastener is made up of multiple interior tooth form impelling sheets, and snatch ability is strong, will not dally, and can fully meet tunnel surrounding punching requirement, and it is simple to construct, it is not necessary to professional construction skill, it is easy to popularization and application.
(5) in this utility model, each parts all use galvanized steel to make, and have good protection against the tide, anticorrosive, tension, bending resistance, the characteristic of anti-folding, and the Vault settlement being applicable to various tunnel measures, and has the strongest adaptive capacity to environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the miscellaneous part in this utility model in addition to laser beam emitting device.
Fig. 2 is the structural representation of expansion fastener in this utility model.
Fig. 3 is the structural representation measuring parts in this utility model.
Fig. 4 is the structural representation of anchor tip in this utility model.
Fig. 5 is pedestal and the structural representation of gripper shoe in this utility model.
Parts thereof in accompanying drawing is entitled:
The pre-buried rod member of 1-, 2-expansion fastener, 21-tubular connection, 22-impelling sheet, 23-projection guide, 3-measures parts, 31-anchor tip, 32-pedestal, and 33-positions screw, 34-gripper shoe, 311-base, 312-cylindrical rods, 313-semiglobe, 321-connecting hole, 322-positions hole.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figures 1 to 5, the disclosed underground engineering Vault settlement measuring equipment based on total powerstation method of this utility model, including pre-buried rod member 1, expansion fastener 2 and measurement parts 3.The two ends of pre-buried rod member 1 are provided with external screw thread, and the inwall of expansion fastener 2 and measurement parts 3 is provided with female thread, and both are threadedly attached in the two ends of pre-buried rod member 1 respectively.
In the present embodiment, described expansion fastener 2 includes tubular connection 21, is equidistantly distributed in the impelling sheet 22 on tubular connection 21 circumference, and is distributed in the protruding guide 23 on described tubular connection 21 and impelling sheet 22 outer wall.Wherein, the circumference of tubular connection 21 being evenly distributed with three impelling sheets 22, is integrally conical structure, front end is thin, sharp, it is possible to farthest reduce the resistance that during imbedding, impelling sheet 22 is subject to, and reduces embedment difficulty, thus uses manpower and material resources sparingly.And there is between three impelling sheets 22 and the front end of tubular connection 21 10 °～the angled relationships of 15 °, in enlarging shape, so can farthest increase again the contact area of impelling sheet 22 and casing after impelling sheet distending, make that impelling sheet is multi-faceted, be closely buckled in casing with multi-angle, it is ensured that fastening effect.And the protruding guide 23 being arranged on tubular connection 21 and impelling sheet 22 outer wall is owing to front end is low, rear end is high, after impelling sheet expands, resistance can be provided when impelling sheet is to casing slide outside, stop impelling sheet to come off from casing, further enhance impelling sheet for the fastening effect in rock stratum.
Described measurement parts 3 include anchor tip 31, pedestal 32, location screw 33, gripper shoe 34；Wherein, described anchor tip 31 is made up of base 311, cylindrical rods 312, semiglobe 313, base 311 is connected with the non-embedment end of pre-buried rod member 1 by being arranged on the screw bottom it, connecting hole 321 it is provided with on the sidewall of pedestal 32, cylindrical rods 312 is inserted in this connecting hole 321 together with semiglobe 313, it is achieved with the connection of pedestal 32；And, the top of described pedestal 32 is provided with hole 322, location, and location screw 33 passes this hole, location 322 and props up the semiglobe 313 of anchor tip 31, it is achieved pedestal 32 and the locking of anchor tip 31；The center of one side of described gripper shoe 34 and the bottom welding of described pedestal 32, another side stickup reflecting piece, crosshair has been portrayed in the center of reflecting piece.Above-mentioned measurement parts coordinate the existing laser beam emitting device of total powerstation method, utilize light change in location in light tiles, obtain Vault settlement data, it is achieved the detection of underground engineering Vault settlement amount.
In order to ensure the effective cooperation between each assembly, described base 311 is set to cube structure, its width is more than cylindrical rods 312, and the diameter of semiglobe 313 mates with cylindrical rods 312, and the size of the connecting hole 321 on pedestal 32 sidewall is mated with the size of semiglobe 313.For the ease of tightening operation, described location screw 33 selects T-shaped swing handle screw, and its length is more than the length in hole 322, location.
In this utility model, the reach of end imbedded by pre-buried rod member 1 is 50mm, and the swell increment of impelling sheet can be made to maximize；The reach of non-embedment end is 10mm, mates with the bottom screw hole depth of anchor tip 31；A length of the 300～500mm of whole pre-buried rod member, even if also be enough to penetrate preliminary bracing to arrive casing, it is achieved increase the purpose of measuring point flexibly after supporting completes in the early stage.Described pre-buried rod member 1, expansion fastener 2, anchor tip 31, pedestal 32, location screw 33 and gripper shoe 34 are made by galvanized steel, having good protection against the tide, anticorrosive, tension, bending resistance, anti-folding characteristic, the Vault settlement being applicable to various tunnel measures.
This utility model carries out burying underground of expansion fastener and pre-buried rod member after tunnel excavation, bury rear expansion fastener underground to be closely buckled in casing, then directly measurement parts are the most quickly connected to the non-embedment end of pre-buried rod member, again laser beam emitting device is installed, Vault settlement DATA REASONING can be started.In work progress, if reflecting piece is contaminated because of construction operations such as preliminary bracing, work surface excavations and damages, the reflecting piece that can the most more renew；Contaminated measurement parts, can be continuing with after pasting new reflecting piece.And, each assembly is flexible connection, and the measurement parts of damage can use new same item to replace, and re-assemblies, and not only handling are flexibly, and greatly reduce operation cost.
Above-described embodiment is only preferred embodiment of the present utility model; the not restriction to this utility model protection domain; in every case use design principle of the present utility model, and carry out non-creativeness work on this basis and the change made, within protection domain of the present utility model all should be belonged to.
Claims (9)
1. underground engineering Vault settlement measuring equipment based on total powerstation method, it is characterized in that, the pre-buried rod member (1) of helicitic texture it is provided with including two ends, it is connected in a threaded manner to the expansion fastener (2) of this pre-buried rod member (1) embedment end, and is connected to the measurement parts (3) of the described pre-buried rod member other end；Described measurement parts (3) include the anchor tip (31) threadeded with described pre-buried rod member (1) non-embedment end, the pedestal (32) being flexibly connected with this anchor tip (31), for locking the location screw (33) of this anchor tip (31) and pedestal (32), it is fixed on the gripper shoe (34) of described pedestal (32) bottom, and is pasted onto the reflecting piece on this gripper shoe (34) lateral surface.
Underground engineering Vault settlement measuring equipment based on total powerstation method the most according to claim 1, it is characterized in that, the sidewall of described pedestal (32) is provided with is easy to the connecting hole (321) that anchor tip (31) snaps in, and its top is provided with to be easy to position screw (33) and penetrate and lock the hole, location (322) of anchor tip (31).
Underground engineering Vault settlement measuring equipment based on total powerstation method the most according to claim 2, it is characterized in that, described anchor tip (31) is made up of the base (311) being sequentially connected with, cylindrical rods (312), semiglobe (313), the bottom of described base (311) offers the screw that the non-embedment end with pre-buried rod member (1) is threadeded, and described semiglobe (313) is connected with connecting hole (321) coupling of described pedestal (32) sidewall.
Underground engineering Vault settlement measuring equipment based on total powerstation method the most according to claim 3, it is characterised in that described reflecting piece (35) be provided centrally with crosshair.
Underground engineering Vault settlement measuring equipment based on total powerstation method the most according to claim 4, it is characterised in that a length of 300 ~ 500mm of described pre-buried rod member (1), its embedment end reach is 50mm, and non-embedment end reach is 10mm.
Underground engineering Vault settlement measuring equipment based on total powerstation method the most according to claim 5, it is characterised in that described location screw (33) is T-shaped swing handle screw, and its length is more than the length of hole, location (322).
Underground engineering Vault settlement measuring equipment based on total powerstation method the most according to claim 6, it is characterised in that described pedestal (32) is fixed on the center of described gripper shoe (34).
Underground engineering Vault settlement measuring equipment based on total powerstation method the most according to claim 7, it is characterised in that described expansion fastener (2) is interior tooth form expansion anchor.
Underground engineering Vault settlement measuring equipment based on total powerstation method the most according to claim 8, it is characterized in that, described pre-buried rod member (1), expansion fastener (2), anchor tip (31), pedestal (32), location screw (33) and gripper shoe (34) are made by galvanized steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620289483.6U CN205482923U (en) | 2016-04-08 | 2016-04-08 | Underground works vault settlement measuring device based on total powerstation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620289483.6U CN205482923U (en) | 2016-04-08 | 2016-04-08 | Underground works vault settlement measuring device based on total powerstation method |
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| CN205482923U true CN205482923U (en) | 2016-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627986A (en) * | 2016-04-08 | 2016-06-01 | 中铁西南科学研究院有限公司 | Underground engineering vault crown settlement measurement device based on total station method |
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2016
- 2016-04-08 CN CN201620289483.6U patent/CN205482923U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627986A (en) * | 2016-04-08 | 2016-06-01 | 中铁西南科学研究院有限公司 | Underground engineering vault crown settlement measurement device based on total station method |
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