CN214116737U - High-precision laser light-gathering type movable target displacement monitoring device - Google Patents
High-precision laser light-gathering type movable target displacement monitoring device Download PDFInfo
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- CN214116737U CN214116737U CN202023260394.4U CN202023260394U CN214116737U CN 214116737 U CN214116737 U CN 214116737U CN 202023260394 U CN202023260394 U CN 202023260394U CN 214116737 U CN214116737 U CN 214116737U
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Abstract
The utility model relates to a high accuracy laser light-concentrating activity target displacement monitoring devices, include: the laser emitting mechanism comprises a laser indicator, and the laser indicator is fixed on the field fixing structure during measurement; reading mechanism, reading mechanism includes a plurality of bracing pieces, the bracing piece is fixed respectively and is set up on a plurality of monitoring points at scene, the detachable base that has set firmly on the bracing piece, be equipped with the slide along the laser vertically direction that jets out with the laser designator on the base, it is equipped with the slide to slide in the slide, the slide is equipped with the scale mark of the reading of being convenient for with the cooperation on the slide, target has been pegged graft at the slide top, target one side that is close to the laser designator is equipped with the convex lens that is used for spotlight, convex lens's height and with target between the distance all adjustable. The utility model discloses simple structure, preparation convenience utilize the far characteristics of laser range, and cooperation convex lens focuses on, have improved remote measurement's precision, can realize that the error is less than 1 mm's required precision within 800 m.
Description
Technical Field
The utility model relates to a foundation ditch monitoring technology field especially relates to a high accuracy laser light-concentrating activity target displacement monitoring devices.
Background
At present, the monitoring of the horizontal displacement of the domestic foundation pit is divided into three categories: the first kind, the horizontal displacement in the specific direction can be measured by a collimation line method, a small angle method, a point method and the like; secondly, measuring the distribution condition of the visible monitoring points when the monitoring points horizontally displace in any direction, and adopting a front intersection method, a free station setting method, a polar coordinate method and the like; and in the third category, when the reference point is far away from the foundation pit, a GPS measurement method or a comprehensive measurement method combining a triangle, trilateral and corner measurement method and a reference line method can be adopted. However, when the distance between the reference point and the measurement point exceeds 400m, the method has a large error.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and provides a high-precision laser light-gathering movable target displacement monitoring device.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a high-precision laser light-gathering type movable target displacement monitoring device comprises:
the laser emitting mechanism comprises a laser indicator, and the laser indicator is fixed on the field fixing structure during measurement;
reading mechanism, reading mechanism includes a plurality of bracing pieces, the bracing piece is fixed respectively and is set up on a plurality of monitoring points at scene, the detachable base that has set firmly on the bracing piece, be equipped with the slide along the laser vertically direction that jets out with the laser designator on the base, it is equipped with the slide to slide in the slide, the slide is equipped with the scale mark of the reading of being convenient for with the cooperation on the slide, target has been pegged graft at the slide top, target one side that is close to the laser designator is equipped with the convex lens that is used for spotlight, convex lens's height and with target between the distance all adjustable.
Furthermore, the laser indicator is fixed on the site fixing structure through bolts, and the monitoring points are arranged along the emitting direction of the laser indicator.
Furthermore, the laser emission mechanism further comprises a rotating seat, the rotating seat is fixed on the field fixing structure, the laser indicator is rotatably connected with the rotating seat and can be fixed at a plurality of angles, and the plurality of monitoring points are arranged along a plurality of emission directions of the laser indicator.
Furthermore, the bottom of the base is provided with a sleeve, the sleeve is sleeved at the top of the support rod, a fixing pin penetrates through the side wall of the sleeve, the fixing pin is in threaded fit with the sleeve, and the inner end of the fixing pin abuts against the side wall of the support rod.
Furthermore, the slide runs through and is equipped with the lead screw, lead screw and slide screw-thread fit and with the base rotation connection, the lead screw is rotated by the hand wheel drive.
Furthermore, one side of the sliding seat, which is close to the laser indicator, is provided with an interval adjusting slide way, a lens supporting block is arranged in the interval adjusting slide way, the convex lens is positioned on the lens supporting block, and the lens supporting block can slide along the interval adjusting slide way and is fixed at a plurality of positions.
Further, the telescopic link has set firmly at lens supporting shoe top, and the telescopic link includes the sliding sleeve, and the sliding sleeve bottom sets up for the polygon with lens supporting shoe fixed connection and inside sliding chamber's cross-section, slides in the sliding sleeve and is equipped with the slider, and the slider top has set firmly supporting screw, and convex lens fixed connection is at the supporting screw top, and supporting screw thread cover is equipped with adjusting nut, and adjusting nut rotates with the sliding sleeve top to be connected.
The utility model has the advantages that: the utility model discloses simple structure, preparation are convenient, easy and simple to handle, utilize the characteristics that laser range is far away, and cooperation convex lens focuses on, has improved remote measurement's precision, can realize that the error is less than 1 mm's required precision within 800 m.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a right side view of the reading mechanism;
FIG. 3 is an enlarged view taken at A in FIG. 2;
in the figure: 1-a laser emitting mechanism; 2-a reading mechanism; 21-a support bar; 22-a base; 23-a slide; 24-a slide; 241-spacing adjustment slide way; 242-a lens support block; 243-the sliding sleeve; 244-a slider; 245-a support screw; 246-adjusting nut; 25-target; 26-convex lens; 27-a lead screw; 28-hand wheel;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in the figure, a high-precision laser light-focusing type movable target displacement monitoring device comprises:
the laser emission mechanism 1, the laser emission mechanism 1 includes the laser indicator, the laser indicator is fixed on fixed structure of scene while measuring;
the reading mechanism 2 comprises a plurality of supporting rods 21, the supporting rods 21 are respectively fixedly arranged on a plurality of monitoring points on the site, a base 22 is detachably and fixedly arranged on the supporting rods 21, a slide rail 23 is arranged on the base 22 in a direction perpendicular to laser emitted by the laser indicator, a slide seat 24 is slidably arranged in the slide rail 23, scale marks convenient for reading are arranged on the slide rail 23 and the slide seat 24 in a matched mode, a target 25 is inserted into the top of the slide seat 24, a convex lens 26 used for condensing light is arranged on one side, close to the laser indicator, of the target 25, and the height of the convex lens 26 and the distance between the convex lens and the target 25 can be adjusted.
Furthermore, the laser indicator is fixed on the site fixing structure through bolts, and the monitoring points are arranged along the emitting direction of the laser indicator.
Furthermore, laser emission mechanism 1 still includes rotates the seat, rotates the seat and fixes on scene fixed knot constructs, and laser indicator rotates with rotating the seat and is connected and accessible spacing bolt fastening at a plurality of angles, and a plurality of monitoring points set up along a plurality of directions of penetrating of laser indicator.
Further, the bottom of the base 22 is provided with a sleeve, the sleeve is sleeved on the top of the support rod 21, a fixing pin penetrates through the side wall of the sleeve, and the fixing pin is in threaded fit with the sleeve and the inner end of the fixing pin abuts against the side wall of the support rod 21.
Further, the sliding seat 24 is provided with a lead screw 27 in a penetrating manner, the lead screw 27 is in threaded fit with the sliding seat 24 and is rotatably connected with the base 22, and the lead screw 27 is driven to rotate by a hand wheel 28.
Further, a spacing adjustment slide 241 is disposed on a side of the slide base 24 close to the laser pointer, a lens support block 242 is disposed in the spacing adjustment slide 241, the convex lens 26 is disposed on the lens support block 242, and the lens support block 242 can slide along the spacing adjustment slide 241 and can be fixed at a plurality of positions by friction or fixing bolts.
Further, the telescopic link has been set firmly at lens supporting shoe 242 top, and the telescopic link includes sliding sleeve 243, and sliding sleeve 243 bottom and lens supporting shoe 242 fixed connection and the cross-section of inside smooth chamber are the polygon setting, and it is equipped with slider 244 to slide in sliding sleeve 243, and slider 244 top has set firmly supporting screw 245, and convex lens 26 fixed connection is at supporting screw 245 top, and supporting screw 245 external thread cover is equipped with adjusting nut 246, and adjusting nut 246 rotates with sliding sleeve 243 top and is connected.
When the utility model is used, the laser indicator is aligned to the direction of the monitoring point to be measured and fixed, the reading mechanism 2 is fixed on the supporting rod 21 of the monitoring point corresponding to the laser emitting direction, and the marking line on the supporting rod 21 is used for positioning during fixing, so that the target 25 is vertical to the laser direction; the hand wheel 28 is rotated to adjust the horizontal position of the target 25, and simultaneously adjust the height of the convex lens 26 and the distance between the convex lens 26 and the target 25, so that the laser is refracted by the convex lens 26 and focused on the central line of the target 25, at this time, the displacement value of the monitoring point can be read through the scale mark, and the steps are repeated until the displacement values of all the monitoring points in the direction are read. The utility model discloses utilize the characteristics that laser range is far away, cooperation convex lens 26 focuses on, has improved remote measurement's precision, can realize that the error is less than 1 mm's required precision within 800 m.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (7)
1. A high accuracy laser light-concentrating activity target displacement monitoring devices which characterized in that includes:
the laser emission mechanism (1), the laser emission mechanism (1) includes the laser indicator, the laser indicator is fixed on fixed structure of scene while measuring;
reading mechanism (2), reading mechanism (2) include a plurality of bracing pieces (21), bracing piece (21) are fixed respectively to be set up on a plurality of monitoring points at scene, detachable has set firmly base (22) on bracing piece (21), base (22) are gone up and are equipped with slide (23) along the perpendicular direction of the laser that jets out with the laser designator, slide (23) are interior to slide and are equipped with slide (24), the cooperation is equipped with the scale mark of being convenient for the reading on slide (23) and slide (24), target (25) have been pegged graft at slide (24) top, one side that target (25) are close to the laser designator is equipped with convex lens (26) that are used for spotlight, the height of convex lens (26) and the distance between target (25) all can be adjusted.
2. The high precision laser light-focusing type active target displacement monitoring device as claimed in claim 1, wherein the laser pointer is fixed on the fixed structure on site by bolts, and the monitoring points are arranged along the emitting direction of the laser pointer.
3. A high precision laser light collection type active target displacement monitoring device as claimed in claim 1, wherein the laser emitting mechanism (1) further comprises a rotating base fixed on the fixed structure on site, the laser indicator is rotatably connected with the rotating base and can be fixed at a plurality of angles, and a plurality of monitoring points are arranged along a plurality of emitting directions of the laser indicator.
4. A high precision laser spot type active target displacement monitoring device according to any one of claims 1-3, wherein the base (22) is provided with a sleeve at the bottom, the sleeve is sleeved on the top of the supporting rod (21), a fixing pin is provided on the side wall of the sleeve, the fixing pin is in threaded fit with the sleeve, and the inner end of the fixing pin is abutted against the side wall of the supporting rod (21).
5. A high precision laser spot type active target displacement monitoring device according to any one of claims 1-3, wherein a lead screw (27) is provided through the slide (24), the lead screw (27) is in threaded engagement with the slide (24) and is rotatably connected to the base (22), and the lead screw (27) is driven to rotate by a hand wheel (28).
6. A high precision laser spot type active target displacement monitoring device according to any one of claims 1-3, wherein the side of the slide (24) close to the laser pointer is provided with a distance adjusting slide (241), a lens support block (242) is provided in the distance adjusting slide (241), the convex lens (26) is located on the lens support block (242), and the lens support block (242) can slide along the distance adjusting slide (241) and be fixed at a plurality of positions.
7. The high-precision laser light-condensing type active target displacement monitoring device according to claim 6, wherein a telescopic rod is fixedly arranged at the top of the lens supporting block (242), the telescopic rod comprises a sliding sleeve (243), the bottom of the sliding sleeve (243) is fixedly connected with the lens supporting block (242), the cross section of the internal sliding cavity is arranged in a polygonal shape, a sliding block (244) is slidably arranged in the sliding sleeve (243), a supporting screw (245) is fixedly arranged at the top of the sliding block (244), the convex lens (26) is fixedly connected to the top of the supporting screw (245), an adjusting nut (246) is sleeved outside the supporting screw (245), and the adjusting nut (246) is rotatably connected with the top of the sliding sleeve (243).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023260394.4U CN214116737U (en) | 2020-12-30 | 2020-12-30 | High-precision laser light-gathering type movable target displacement monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023260394.4U CN214116737U (en) | 2020-12-30 | 2020-12-30 | High-precision laser light-gathering type movable target displacement monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214116737U true CN214116737U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023260394.4U Active CN214116737U (en) | 2020-12-30 | 2020-12-30 | High-precision laser light-gathering type movable target displacement monitoring device |
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| Country | Link |
|---|---|
| CN (1) | CN214116737U (en) |
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2020
- 2020-12-30 CN CN202023260394.4U patent/CN214116737U/en active Active
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