CN210440920U - Fixing device of electric power undercut tunnel measuring instrument - Google Patents
Fixing device of electric power undercut tunnel measuring instrument Download PDFInfo
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- CN210440920U CN210440920U CN201920767186.1U CN201920767186U CN210440920U CN 210440920 U CN210440920 U CN 210440920U CN 201920767186 U CN201920767186 U CN 201920767186U CN 210440920 U CN210440920 U CN 210440920U
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Abstract
The utility model relates to an electric power undercut tunnel measurement instrument's fixing device, include with tunnel side wall fixed connection's tray curb plate and with the tray flat board that the perpendicular tunnel side wall of upper end rigid coupling of tray curb plate and level set up, add on the tray flat board and be equipped with the support that is used for placing measurement instrument. The utility model discloses have the work loaded down with trivial details and the not suitable control problem of precision that have overcome traditional technology existence, played and improve work efficiency and measurement accuracy effect, played certain supplementary effect of increasing to whole tunnel construction progress and quality.
Description
Technical Field
The utility model belongs to the technical field of the electric power undercut tunnel construction measuring technique and specifically relates to an electric power undercut tunnel measuring instrument's fixing device is related to.
Background
The modern construction of cities in China is being promoted comprehensively, and the construction of an electric power system is one of the basic constructions. Because the underground construction environment is relatively closed, the construction interference factors are few, and the infrastructure is convenient to manage and maintain, the underground excavation tunnel gradually becomes the main construction method for constructing the power system. Therefore, the construction of the underground excavation tunnel relates to the underground positioning and guiding problem, the conventional solution method is to embed markers such as steel nails and the like into a tunnel bottom plate, install a measuring foot stand and erect a measuring instrument thereon to perform tunnel positioning and measuring work, and the measurement work is repeatedly assumed to be performed by positioning and correcting the instrument along with the extension of the underground excavation tunnel, so that the problems of complicated measuring work and difficulty in controlling precision are caused.
In order to reduce the workload of repeatedly erecting the measuring instrument and improve the centering and positioning precision of the instrument, the fixing device for the electric power underground tunnel measuring instrument is designed under the condition of underground tunnel, so that the working efficiency and the guiding precision can be greatly improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electric power undercut tunnel measurement instrument's fixing device, it has the work loaded down with trivial details and the not suitable control problem of precision that have overcome the traditional technique existence, plays and improves work efficiency and measurement accuracy effect, has played certain supplementary synergistic effect to whole tunnel construction progress and quality.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an electric power undercut tunnel measuring instrument's fixing device, includes the tray curb plate with tunnel side wall fixed connection and with the tray flat board of the upper end rigid coupling perpendicular tunnel side wall and level setting of tray curb plate, add on the tray flat board and be equipped with the support that is used for placing the measuring instrument.
The utility model discloses further set up to: the tray is characterized in that a plurality of vertically arranged screws are additionally arranged on the tray flat plate, and the screws penetrate through the support and fix the support on the tray flat plate through nuts.
By adopting the technical scheme, the horizontal state of the triangular plate support can be adjusted, and further the horizontal state of the measuring instrument can be preliminarily adjusted; when the measuring instrument is installed on the triangular plate support, if the measuring instrument is not completely horizontally placed, adjusting a threaded rod on one inclined side, if one corner of the triangular plate support needs to be adjusted downwards, firstly screwing a bolt below the triangular plate support downwards until the triangular plate support is completely horizontal, and then screwing the bolt above the triangular plate support; when one corner of the triangular plate support needs to be adjusted upwards, the bolt above the triangular plate support is firstly screwed upwards for a certain distance, then the bolt below the triangular plate support is screwed upwards until the triangular plate support is completely horizontal, and then the bolt above the triangular plate support is screwed downwards until the bolt is screwed down, so that the horizontal state of the measuring instrument can be preliminarily adjusted, and a mat is made for accurately adjusting the measuring instrument afterwards.
The utility model discloses further set up to: the support is a triangle support.
By adopting the technical scheme, the triangular plate support is easier to fix relative to the four-corner plate support, the triangular plate support can be completely fixed by fixing three corners, four corners of the four corners are required to be fixed, the triangular plate support can realize leveling by adjusting the heights of two corners at most and leveling can be realized by adjusting the heights of three corners at most for subsequent adjustment of the support.
The utility model discloses further set up to: and reinforcing ribs for connecting the tray side plates and the tray flat plate are additionally arranged between the tray side plates and the tray flat plate.
Through adopting above-mentioned technical scheme, because the tray is dull and stereotyped to be the right angle rigid coupling with the tray side, the vibrations that can produce among the tunnel construction process have reduced the tray flat board and can take place to shake along with vibrations, and then influence measuring instrument's result of use.
The utility model discloses further set up to: the middle part of the tray flat plate is provided with a yielding hole.
By adopting the technical scheme, the position conflict between the tray flat plate and the measuring instrument when the measuring instrument is installed on the triangle plate support is prevented, and the measuring instrument cannot be installed on the Shaanxi edition support.
The utility model discloses further set up to: and the middle part of the support is provided with a screw thread matched with a screw of the measuring instrument.
By adopting the technical scheme, the measuring instrument is convenient for workers to install and detach through thread matching.
The utility model discloses further set up to: and a rubber pad is additionally arranged on the upper end surface of the support.
By adopting the technical scheme, the vibration of the measuring instrument is further reduced.
To sum up, the utility model discloses a beneficial technological effect does:
1. by additionally arranging the fixing device, the tunnel measuring instrument is quickly installed and adjusted;
2. by additionally arranging the reinforcing ribs, the phenomenon that the tray flat plate shakes along with vibration is reduced, and the using effect of the measuring instrument is further influenced;
3. through adding and establishing the rubber pad, further reduced the vibrations that the measuring instrument received.
Drawings
Fig. 1 is a schematic structural view of the present invention in use.
Fig. 2 is a schematic structural diagram of the present invention.
In the figure, 1, tunnel side wall; 2. a tray side plate; 211. an expansion bolt; 3. a pallet plate; 311. a hole of abdication; 4. a support; 411. threading; 5. a measuring instrument; 511. a screw; 6. a threaded rod; 611. fixing a nut; 7. reinforcing ribs; 8. and (7) a rubber pad.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): as shown in fig. 1 and fig. 2, for the utility model discloses a fixing device of electric power undercut tunnel measuring instrument, including tray curb plate 2 and tray flat plate 3, four bolt holes have been seted up on the side of tray curb plate 2, and tray curb plate 2 passes the bolt hole through expansion bolts 211 with tunnel side wall 1 and fixes together. The tray flat plate 3 is vertically and fixedly connected with the upper end part of the tray side plate 2, a support 4 used for placing a measuring instrument 5 is additionally arranged on the upper end surface of the tray flat plate 3, the support 4 is a triangular plate support 4, the bottom of the measuring instrument 5 is fixedly connected with a screw 511, a screw thread 411 matched with the screw 511 is arranged in the middle of the triangular plate support 4, and the measuring instrument 5 is fixed on the triangular plate support 4 through the matching of the screw 511 and the screw thread 411.
The up end rigid coupling of tray flat plate 3 has three threaded rod 6, and three threaded rod 6 is and passes set-square support 4 with set-square support 4 triangular distribution to two fixation nut 611 through being located set-square support 4 up and down terminal surface both sides fix set-square support 4 on tray flat plate 3.
Through the design, the horizontal state of the triangular plate support 4 can be adjusted, when the measuring instrument 5 is installed on the triangular plate support 4, if the measuring instrument 5 is not completely horizontally placed, the threaded rod 6 on the inclined side is adjusted, if one corner of the triangular plate support 4 needs to be adjusted downwards, the fixing nut 611 positioned below the triangular plate support 4 is screwed downwards until the triangular plate support 4 is completely horizontally placed, and then the fixing nut 611 positioned above the triangular plate support 4 is screwed tightly; when one corner of the triangle support 4 needs to be adjusted upwards, the fixing nut 611 above the triangle support 4 is firstly screwed upwards for a certain distance, then the fixing nut 611 below the triangle support 4 is screwed upwards until the triangle support 4 is completely horizontal, and then the fixing nut 611 above the triangle support 4 is screwed downwards until the triangle support is screwed down. By this arrangement, the level of the measuring instrument 5 can be adjusted initially, which makes it possible to adjust the measuring instrument 5 accurately afterwards.
The middle part of the tray flat plate 3 is provided with the abdicating hole 311, so that the position conflict between the tray flat plate 3 and the measuring instrument 5 is prevented when the measuring instrument 5 is installed on the triangle support 4, and the measuring instrument 5 cannot be installed on the triangle support 4.
Dull and stereotyped 3 and the tray side of tray are the right angle rigid coupling, because the vibrations that can produce in the tunnel work progress, the shake can take place along with vibrations for the dull and stereotyped 3 of tray, and then influence measuring instrument 5's result of use, for this reason, a strengthening rib 7 of fixed connection between the dull and stereotyped 3 of tray and tray curb plate 2, the one end rigid coupling of above-mentioned strengthening rib 7 is at the lower terminal surface of the dull and stereotyped 3 of tray, the other end rigid coupling is on the side end face that the side wall deviates from the tunnel at tray curb plate 2.
The upper end face of the triangle support 4 is additionally provided with a damping rubber pad 8, so that the vibration of the measuring instrument 5 is further reduced.
The implementation principle of the embodiment is as follows: when the measuring instrument 5 needs to be installed, the tray is firstly fixed on the tunnel side wall 1, a worker selects a fixed position with a proper height on the tunnel side wall 1, then the side face of the tray side plate 2 is contacted with the tunnel side wall 1, the tray flat plate 3 is arranged above the tray side plate 2, and the tray side plate 2 is fixed on the tunnel side wall 1 through the four expansion bolts 211.
Then install set square support 4 on tray flat 3, wear to establish a fixation nut 611 on three threaded rod 6 respectively earlier, then make set square support 4 just face three threaded rod 6, and translation set square support 4 down makes threaded rod 6 pass set square support 4, then wear to establish another fixation nut 611 respectively on three threaded rod 6 again, the height that is located set square support 4 below fixation nut 611 is adjusted from top to bottom, make set square support 4 be in the horizontality under the spacing of below fixation nut 611, then will be located the fixation nut 611 tightening of set square support 4 top.
Then, a screw 511 of the measuring instrument 5 is over against a screw thread 411 of the triangular plate support 4, the screw thread 411 of the measuring instrument 5 is completely screwed into the screw thread 411 of the triangular plate support 4, and then a fine adjustment instrument of the measuring instrument 5 is finely adjusted until the measuring instrument 5 is horizontal.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides an electric power undercut tunnel measuring instrument's fixing device which characterized in that, include with tunnel side wall (1) fixed connection tray curb plate (2) and with the tray flat board (3) of the upper end rigid coupling perpendicular tunnel side wall (1) and the level setting of tray curb plate (2), add on tray flat board (3) and be equipped with support (4) that are used for placing measuring instrument (5).
2. The fixing device of the electric power underground tunnel surveying instrument according to claim 1, characterized in that a plurality of vertically arranged threaded rods (6) are additionally arranged on the pallet plate (3), and the threaded rods (6) penetrate through the support (4) to fix the support (4) on the pallet plate (3) through two fixing nuts (611).
3. An electric power undercut tunnel surveying instrument's fixing device according to claim 1, characterized by, that the support (4) is provided as a triangular plate support (4).
4. The fixing device of the electric power subsurface tunnel measuring instrument according to claim 1, wherein a reinforcing rib (7) for connecting the tray side plate (2) and the tray flat plate (3) is additionally arranged between the tray side plate (2) and the tray flat plate (3).
5. The fixing device of the electric power subsurface tunnel measuring instrument according to claim 1, wherein a yielding hole (311) is formed in the middle of the pallet plate (3).
6. The fixing device of the electric power underground excavation tunnel measuring instrument according to claim 1, characterized in that a screw (511) is fixedly connected to the bottom of the measuring instrument (5), and a screw thread (411) matched with the screw (511) is arranged in the middle of the support (4).
7. The fixing device of the electric power underground tunnel surveying instrument according to claim 1, characterized in that the upper end surface of the support (4) is provided with a rubber pad (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920767186.1U CN210440920U (en) | 2019-05-24 | 2019-05-24 | Fixing device of electric power undercut tunnel measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920767186.1U CN210440920U (en) | 2019-05-24 | 2019-05-24 | Fixing device of electric power undercut tunnel measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210440920U true CN210440920U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920767186.1U Active CN210440920U (en) | 2019-05-24 | 2019-05-24 | Fixing device of electric power undercut tunnel measuring instrument |
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| CN (1) | CN210440920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739776A (en) * | 2021-09-23 | 2021-12-03 | 中交一公局集团有限公司 | High mound laser positioning base |
-
2019
- 2019-05-24 CN CN201920767186.1U patent/CN210440920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739776A (en) * | 2021-09-23 | 2021-12-03 | 中交一公局集团有限公司 | High mound laser positioning base |
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