CN217927875U - Be suitable for laser range finder fixing device of subway tunnel vault settlement monitoring - Google Patents
Be suitable for laser range finder fixing device of subway tunnel vault settlement monitoring Download PDFInfo
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- CN217927875U CN217927875U CN202221284422.2U CN202221284422U CN217927875U CN 217927875 U CN217927875 U CN 217927875U CN 202221284422 U CN202221284422 U CN 202221284422U CN 217927875 U CN217927875 U CN 217927875U
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- laser range
- range finder
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Abstract
The utility model discloses a laser range finder fixing device suitable for subway tunnel vault settlement monitoring, including support element and fixed subassembly, the fixed subassembly has the spacing draw-in groove that is used for clamping the laser range finder and is used for the fastener of fixing the laser range finder, and the spacing draw-in groove has the side opening and the top opening that make the laser range finder pass in and out, and the fastener sets up on the lateral wall of fixed subassembly; the supporting unit is arranged below the bottom wall and is provided with a positioning hole matched with the monitoring nail and a locking piece used for fixing the monitoring nail in the positioning hole. The utility model fixes the supporting unit on the monitoring nail at the measuring point, and fixes the laser range finder at the same position of the fixed component all the time through the limiting clamping groove and the fastener, so that the laser range finder is always positioned at the same position and the same direction during each measurement, and the reliability of the measuring result is ensured; simultaneously the utility model discloses dismouting is simple and convenient, can realize laser range finder's quick fixed and quick dismantlement, ensures monitoring efficiency.
Description
Technical Field
The utility model belongs to the technical field of the monitoring of tunnel vault and specifically relates to a be suitable for laser range finder fixing device of subway tunnel vault settlement monitoring.
Background
Under the background of the continuous development of urbanization, subway lines are more and more, and subway tunnels are in the long-term operation in-process, owing to receive reasons such as hydrogeological condition, natural disasters and outside construction, may cause the vault of subway tunnel to subside and warp, and subway driving safety can directly be influenced to subway tunnel vault subside and reach certain numerical value. Thus, tunnel settlement is a routine monitoring project in the long-term operation of tunnels. The conventional tunnel vault settlement monitoring method mainly adopts a level inverse ruler method; however, the subway in the operation period cannot be stopped for a long time for monitoring, so that only a short subway skylight period can be used for monitoring, the effective monitoring time in the subway skylight period is less than 3h, a contact net is installed at the top of a subway tunnel, the voltage of the contact net is up to 110KV, vault settlement operation is monitored by adopting a level inverse rule method, and a large safety risk exists in operation of detection personnel near the contact net.
Along with the development of laser range finding equipment, portable laser range finder's range finding precision is higher and higher. The portable laser range finder has the characteristics of convenience in use, high efficiency and the like, so that the portable laser range finder is adopted to measure the vault settlement of the subway tunnel, and the operation efficiency can be improved within limited operation time. Because monitoring data in different periods need to have continuity for comparative analysis, the portable laser range finder must be fixed at the same monitoring point during each monitoring, and the portable laser range finder must be always in the same direction; however, the portable laser range finder is directly placed on the measuring point, so that the portable laser range finder is not in the same direction when monitoring is carried out at different time points, and the application of the portable laser range finder in measuring the vault settlement of the subway tunnel is hindered.
The existing subway tunnel bed is provided with monitoring nails for mounting the circular prisms for the cards, the sizes of the monitoring nails are unified to phi 12 multiplied by 130mm, and the positions of the monitoring nails, which are 5mm away from the top of the monitoring nails, are provided with grooves for fixing the circular prisms for the cards, so that how to fix the portable laser range finder by using the monitoring nails on the subway tunnel bed is to ensure that the portable laser range finders are all in the same direction when monitoring at different time points, and at present, the monitoring nails are not reported in various ways.
Disclosure of Invention
An object of the utility model is to provide a be suitable for laser range finder fixing device of subway tunnel vault settlement monitoring, realized laser range finder's unified fixed, portable laser range finder is in same sensing when realizing different time point monitoring, and then guarantees measured data's reliability.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model discloses a laser range finder fixing device suitable for subway tunnel vault settlement monitoring, including support element and fixed subassembly; wherein:
the fixing assembly is provided with a limiting clamping groove and a fastener, the limiting clamping groove is formed by a side wall and a bottom wall in a surrounding mode and is used for clamping the laser range finder, the fastener is used for fixing the laser range finder and is provided with a side opening and a top opening, the laser range finder can enter and exit, and the fastener is arranged on the side wall of the fixing assembly;
the supporting unit is arranged below the bottom wall and is provided with a positioning hole matched with the monitoring nail and a locking piece used for fixing the monitoring nail in the positioning hole.
The beneficial effects are that: the utility model discloses the accessible is fixed on the monitoring nail that the measuring point goes out at the supporting element to make laser range finder fix the same position at fixed subassembly all the time through spacing draw-in groove and fastener, make laser range finder be located same position and same sensing all the time when measuring at every turn, ensure measuring result's reliability.
The utility model discloses an in an embodiment, the fastener sets up for the level fastening bolt on the lateral wall, usable fastening bolt fixes laser range finder in spacing draw-in groove, realizes laser range finder's fixed. Of course, two or three fastening bolts may be installed on the sidewall in actual installation.
The utility model discloses an in an embodiment, the support element is for setting up the support of diapire lower surface, the locating hole is vertical to be seted up the central point of support puts the department, just the retaining member sets up on the side of support, and the locating hole can be pegged graft on the monitoring nail of monitoring point, ensures the utility model discloses a fixed effect.
The utility model discloses an in an embodiment, the retaining member is push type structure, presses the retaining member and can fix monitoring nail locking in the locating hole, realizes the effective fixed of support element on the monitoring nail.
In another embodiment of the present invention, the locking member is a locking bar having external threads, and the inner end of the locking bar is a rounded head structure engaged with the groove of the monitoring pin. This embodiment can make its inner end top in the recess of monitoring nail through the check lock pole, realizes monitoring nail and the fixed of support element.
The utility model has the advantages that the supporting unit is fixed on the monitoring nail which is arranged at the measuring point, and the laser range finder is always fixed at the same position of the fixed component through the limiting clamping groove and the fastener, so that the laser range finder is always positioned at the same position and the same direction during each measurement, and the reliability of the measuring result is ensured; simultaneously the utility model discloses dismouting is simple and convenient, can realize laser range finder's quick fixed and quick dismantlement, ensures monitoring efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is another schematic view of the retaining member of the present invention.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-2, the fixing device for laser range finder suitable for monitoring vault settlement of subway tunnel of the present invention comprises a supporting unit and a fixing component for fixing the laser range finder, wherein the supporting unit and the fixing component are fixedly connected together;
the fixing component comprises a limiting clamping groove 1.3 formed by three side walls 1.1 and a bottom wall 1.2 in a surrounding mode and a fastener (namely a fastening bolt 2) for fixing the laser range finder, the limiting clamping groove 1.3 is provided with a side opening and a top opening which are convenient for the laser range finder to enter and exit so as to realize the rapid clamping and taking out of the laser range finder, the fastening bolt 2 is screwed in one side wall 1.1 close to the side opening, the inner end of the fastening bolt 2 is positioned in the limiting clamping groove 1.3 so as to fix the laser range finder, the laser range finder is ensured to be always positioned at the same position and the same direction during each measurement, the reliability of measured data is ensured, and errors caused by the fact that the positions of the laser range finder are not uniform are reduced;
the supporting unit comprises a support 3 fixed at the central position of the lower surface of the bottom wall 1.2 and a positioning hole 4 vertically formed in the support 3, the positioning hole 4 is concentric with the support 3, a locking part 5 used for locking the monitoring nail and the positioning hole 4 together is further arranged on the support 3, the locking part 5 can be a pressing lock or a locking rod with an external thread as shown in fig. 3, the inner end of the locking rod is in round-head transition so as to ensure that the inner end of the locking rod can be clamped in a groove in the upper part of the monitoring nail, the supporting unit and the monitoring nail can be effectively fixed, and the fixing effect is ensured.
In actual processing, the three side walls 1.1 and the bottom wall 1.2 of the fixing component can adopt an integrated structure, so that the processing cost is saved; of course, a split structure can be adopted, and the two components are connected together by welding, bonding or bolts.
The working process and the principle of the utility model are as follows:
the supporting unit is inserted into the monitoring nail of the monitoring point by utilizing the positioning hole 4, then the locking piece 5 is pressed down (or the locking rod is screwed) to lock the monitoring nail in the positioning hole 4, so that the fixed connection between the supporting unit and the monitoring nail is realized, and further, the fixing on the monitoring point is realized, and the installation position of the laser distance measuring instrument is standardized;
the laser range finder is placed in the limiting clamping groove 1.3 from the side opening and the top opening according to measurement requirements, and then the laser range finder is fixed in the limiting clamping groove 1.3 through the fastening bolt 2, so that the laser range finder is always in the same position and the same direction during each measurement, the reliability of measured data is guaranteed, errors caused by the fact that the positions of the laser range finders are not uniform are reduced, and the settlement data of the vault of the subway tunnel can be accurately determined;
after the measurement is finished, the fastening bolt 2 is screwed to loosen the laser range finder, and the laser range finder is taken out of the limiting clamping groove 1.3; then press retaining member 5 once more (or outside revolve twist the check lock lever) in order to carry out the unblock to the monitoring nail, and then will the utility model discloses take off from the monitoring nail, the dismouting is simple, guarantees monitoring efficiency, still repetitious usage.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
Finally, it should be emphasized that the above-described embodiments are merely preferred embodiments of the present invention, and not intended to limit the invention, and that, although the present invention has been described in detail with reference to the above-described embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments without inventive effort, or that certain features may be substituted in equivalents thereof. Therefore, 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 (5)
1. The utility model provides a be suitable for subway tunnel vault settlement monitoring's laser range finder fixing device which characterized in that: comprises a supporting unit and a fixing component; wherein:
the fixing assembly is provided with a limiting clamping groove and a fastener, the limiting clamping groove is formed by a side wall and a bottom wall in a surrounding mode and is used for clamping the laser range finder, the fastener is used for fixing the laser range finder and is provided with a side opening and a top opening, the laser range finder can enter and exit, and the fastener is arranged on the side wall of the fixing assembly;
the supporting unit is arranged below the bottom wall and provided with a positioning hole matched with the monitoring nail and a locking piece used for fixing the monitoring nail in the positioning hole.
2. The laser range finder fixing device that is suitable for subway tunnel vault settlement monitoring of claim 1, characterized in that: the fastener is a fastening bolt horizontally arranged on the side wall.
3. The laser range finder fixing device that is suitable for subway tunnel vault settlement monitoring of claim 1, characterized in that: the supporting unit is arranged on the support on the lower surface of the bottom wall, the positioning hole is vertically formed in the central position of the support, and the locking piece is arranged on the side face of the support.
4. A laser range finder fixing device that is suitable for subway tunnel vault settlement monitoring of claim 3, characterized in that: the retaining member is of a push type structure.
5. A laser range finder fixing device that is suitable for subway tunnel vault settlement monitoring of claim 3, characterized in that: the retaining member is a locking rod with external threads, and the inner end of the locking rod is of a round head structure matched with the groove of the monitoring nail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221284422.2U CN217927875U (en) | 2022-05-26 | 2022-05-26 | Be suitable for laser range finder fixing device of subway tunnel vault settlement monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221284422.2U CN217927875U (en) | 2022-05-26 | 2022-05-26 | Be suitable for laser range finder fixing device of subway tunnel vault settlement monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217927875U true CN217927875U (en) | 2022-11-29 |
Family
ID=84178690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221284422.2U Active CN217927875U (en) | 2022-05-26 | 2022-05-26 | Be suitable for laser range finder fixing device of subway tunnel vault settlement monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217927875U (en) |
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2022
- 2022-05-26 CN CN202221284422.2U patent/CN217927875U/en active Active
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