CN212512990U - Slope lofting device - Google Patents
Slope lofting device Download PDFInfo
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- CN212512990U CN212512990U CN202021283709.4U CN202021283709U CN212512990U CN 212512990 U CN212512990 U CN 212512990U CN 202021283709 U CN202021283709 U CN 202021283709U CN 212512990 U CN212512990 U CN 212512990U
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Abstract
The utility model discloses a slope lofting device, which comprises a base, a lower rotary table, a support, an upper rotary table and a level main body, wherein the base is used for connecting a support; the lower rotary table is connected with the base through a first central rotating shaft and can rotate relative to the base; the bottom of the support is arranged on the lower rotary table through an adjusting mechanism for adjusting the angle of the support, the upper part of the support is connected with the upper rotary table through a second central rotating shaft, and the upper rotary table can rotate relative to the support; the spirit level main part is all installed on the revolving stage, and the red point laser emitter of spirit level main part is installed in the top of spirit level main part, and the telescope is respectively established to the front and back end of spirit level main part, and the telescope sight is parallel with red point laser emitter's laser emission direction. The utility model has the advantages that: compared with the traditional measuring device, the slope lofting device omits the process of calculating the design elevation, and improves the lofting precision of the point to be measured; simple structure, reasonable design, high reliability and low manufacturing cost.
Description
Technical Field
The utility model relates to a measure laying-out technical field, concretely relates to slope laying-out device.
Background
In municipal engineering construction, elevation lofting is mainly completed by a level, and the principle is that a horizontal sight line is established through a level main body, a tower staff at a target point is observed through a telescope, the height difference between the target point and the horizontal sight line is measured, and therefore the elevation of a point to be lofted is obtained through calculation.
In the elevation lofting and rechecking of roads and bridges, reading of a level gauge is needed to be used for each lofting point, the actual elevation of a target point is calculated, and then the design elevation of the target point is calculated by measuring the horizontal coordinate of the target point. The method is complex in operation, complex in calculation mode and easy to make mistakes, a GPS or a total station is often used for matching when the horizontal coordinate is measured, the cost of manpower and material resources is high, and the time is long. Therefore, there is a need for improvements in the prior art.
Disclosure of Invention
An object of the utility model is to provide a slope laying-out device that simple structure, laying-out precision are high to prior art's not enough.
The utility model adopts the technical proposal that: a slope lofting device comprises a base, a lower rotary table, a support, an upper rotary table and a level gauge body, wherein the base is used for connecting a support; the lower rotary table is connected with the base through a first central rotating shaft and can rotate relative to the base; the bottom of the support is arranged on the lower rotary table through an adjusting mechanism for adjusting the angle of the support, the upper part of the support is connected with the upper rotary table through a second central rotating shaft, and the upper rotary table can rotate relative to the support; the level main body is arranged on the upper rotary table, the red point laser transmitter of the level main body is arranged at the top of the level main body, the front end and the rear end of the level main body are respectively provided with a telescope, and the sight line of the telescope is parallel to the laser transmitting direction of the red point laser transmitter.
According to the scheme, the base, the lower rotary table, the support and the upper rotary table are all of coaxial disc structures with the same diameter.
According to the scheme, four groups of adjusting mechanisms are arranged at equal intervals along the circumferential direction of the outer peripheral surface of the lower rotary table; the adjusting mechanism comprises a support screw arranged on the lower rotary table and an adjusting screw rod of which the upper end is connected with the support, and the lower end of the adjusting screw rod is in threaded connection with the support screw; the support spiral can rotate relative to the lower rotary table, when the support spiral is rotated, the adjusting screw rod matched with the support spiral rotates and moves axially, and the support connected with the adjusting bolt goes up and down along with the adjusting screw rod.
According to the scheme, the number of the support spirals is four, the support spirals are distributed on the lower rotary table at equal intervals around the center of the lower rotary table, the connecting lines of the centers of every two opposite support spirals are mutually perpendicular and intersected to form a cross center line, and the center of the cross center line is superposed with the center of the lower rotary table.
According to the above scheme, it is used for restricting to go up revolving stage and support and take place relative pivoted last revolving stage retaining member to go up to be equipped with on the revolving stage, it can be first locking bolt to go up the revolving stage retaining member, when precessing first locking bolt downwards, the lower extreme of first locking bolt and the upper surface top of support are tight.
According to the scheme, be equipped with on the lower revolving stage and be used for restricting revolving stage and base down and take place relative pivoted lower revolving stage retaining member, lower revolving stage retaining member can be second locking bolt, and when precessing second locking bolt downwards, the lower extreme of second locking bolt and the upper surface top of base are tight.
According to the scheme, a vertical rotary table scale mark used for indicating the positions of the vertical lines of the central points of the telescope and the red point laser transmitter is arranged on the outer edge of the upper rotary table, and the rotary table scale mark is overlapped with the vertical line of the laser transmitting central point of the red point laser transmitter.
According to the scheme, four support scales used for respectively indicating four support spiral center lines are arranged on the outer side surface of the support, and when the cross center line radiates to the edge of the support, the cross center line can correspond to the four support scales arranged on the outer side surface of the support.
The utility model has the advantages that: the slope lofting device comprises a level main body and other accessories, a laser plane parallel to a road design surface is determined by utilizing known three points, the distance from a red point laser transmitter positioned on the laser plane at a transmitting center to the design surface by rotating the laser transmitted by any angle is H delta, the red point laser transmitter transmits a laser red point to a tower staff at a point to be measured to obtain the number H3 of the tower staff, the height difference between the ground at the point to be measured and the road design surface can be calculated, compared with the traditional measuring device and method, the process of calculating the design elevation is omitted, and the lofting precision of the point to be measured is improved; the utility model discloses utilize the partial structure of spirit level, reasonable in design, the reliability is high, low in manufacturing cost is honest and clean.
Drawings
Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention.
Fig. 2 is a plan view of the spiral support in this embodiment.
Fig. 3 is a first schematic diagram of the working principle of the present embodiment.
Fig. 4 is a second schematic diagram of the working principle of the present embodiment.
Fig. 5 is a third schematic diagram of the working principle of the present embodiment.
Wherein: 1. a level body; 2. a red spot laser transmitter; 3. a telescope; 4. a focusing screw; 5. the scale of the rotary table is calibrated; 6. an upper rotary table; 7. the scales of the support; 8. a support; 9. the support is screwed; 10. a base; 11. a lower turntable; 12. a lower turntable locking member; 13. a cross centerline; 14. an upper rotary table locking piece; 15. a circular level bubble; 21. a road design center line; 22. a road design surface; 23. a geodetic horizon; 24. a ground surface; 25. laser plane; 26. a tower ruler.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
The slope lofting device shown in fig. 1 comprises a base 10, a lower rotary table 11, a support 8, an upper rotary table 6 and a level body 1, wherein the base 10 is used for connecting a bracket; the lower rotary table 11 is connected with the base 10 through a first central rotating shaft, and the lower rotary table 11 can rotate relative to the base 10; the bottom of the support 8 is arranged on a lower rotary table 11 through an adjusting mechanism for adjusting the angle of the support 8 (the lower rotary table 11 can drive the support 8 to rotate), the upper part of the support 8 is connected with the upper rotary table 6 through a second central rotating shaft, and the upper rotary table 6 can rotate relative to the support 8; the leveling instrument main body 1 is arranged on the upper rotary table 6, the red spot laser emitter 2 of the leveling instrument main body 1 is arranged at the top of the leveling instrument main body 1, the front end and the rear end of the leveling instrument main body 1 are respectively provided with a telescope 3, and the sight line of the telescope 3 is parallel to the laser emission direction of the red spot laser emitter 2; the base 10, the lower rotary table 11, the support 8 and the upper rotary table 6 are all of coaxial disc structures.
Preferably, four sets of the adjusting mechanisms are arranged at equal intervals along the circumferential direction of the outer peripheral surface of the lower rotary table 11; the adjusting mechanism comprises a support screw 9 arranged on the lower rotary table 11 and an adjusting screw rod of which the upper end is connected with the support 8, and the lower end of the adjusting screw rod is in threaded connection with the support screw 9; the support spiral 9 can rotate relative to the lower rotary table 11, when the support spiral 9 is rotated, an adjusting screw rod matched with the support spiral 9 rotates and moves axially, and the support 8 connected with the adjusting bolt ascends and descends along with the adjusting screw rod; the gradient of the support 8 can be adjusted by adjusting the support screws 9 of the four leveling structures.
In this embodiment, the base 10, the lower rotary table 11, the support 8 and the upper rotary table 6 are all of coaxial disc structures with the same diameter; as shown in fig. 2, the number of the support spirals 9 is four, the support spirals are equidistantly distributed on the lower rotary table 11 around the center of the lower rotary table 11, the connecting lines of the centers of every two opposite support spirals 9 are perpendicular and intersected to form a cross center line 13, and the center of the cross center line 13 is overlapped with the center of the lower rotary table 11.
Preferably, the upper rotating table 6 is provided with an upper rotating table locking member 14 for limiting the relative rotation between the upper rotating table 6 and the support 8, the upper rotating table locking member 14 may be a first locking bolt, and when the first locking bolt is screwed downwards, the lower end of the first locking bolt abuts against the upper surface of the support 8.
Preferably, the lower rotary table 11 is provided with a lower rotary table locking member 12 for limiting the relative rotation between the lower rotary table 11 and the base 10, the lower rotary table locking member 12 may be a second locking bolt, and when the second locking bolt is screwed downwards, the lower end of the second locking bolt is tightly pressed against the upper surface of the base 10.
Preferably, a vertical turntable scale 5 line used for indicating the positions of the vertical lines of the center points of the telescope 3 and the red point laser transmitter 2 is arranged on the outer edge of the upper turntable 6, and the turntable scale 5 line is overlapped with the vertical line of the laser transmitting center point of the red point laser transmitter 2.
Preferably, four support scales 7 for respectively indicating the central lines of the four support screws 9 are arranged on the outer side surface of the support 8, and the cross-shaped central line 13 can correspond to the four support scales 7 arranged on the outer side surface of the support 8 when radiating to the edge of the support 8.
In the utility model, the level main body 1 comprises the round level bubble 15, the red spot laser emitter 2, the telescope 3 and other accessories, the internal battery, the switch and the corresponding circuit of the red spot laser emitter 2 are all arranged in the level main body 1, and the red spot laser emitter 2 has good linearity and readability within 300 m; the telescope 3 is used for coarsely aiming to find the sliding staff 26 and finely aiming to read, and the focusing screw 4 of the telescope 3 is arranged on the side part of the level main body 1 and used for adjusting the focal length of the telescope 3. The utility model discloses in, surveyor's level main part 1 is prior art, and is no longer repeated here.
In the utility model, the circular level bubble 15 is used for searching the horizontal plane of the telescope 3 and the red spot laser emitter 2; an upper rotary table locking piece 14 is arranged on the upper rotary table 6 and used for limiting the relative rotation of the upper rotary table 6 and the support 8; the rotary table scale 5 is used for indicating the vertical line position of the transmitting center point of the telescope 3 and the red point laser transmitter 2; the four support helices 9 are arranged at 90 degrees, the height of the two opposite support helices 9 is adjusted, and the horizontal included angle of the upper rotary table 6 in the corresponding direction can be adjusted; the four support scales 7 are arranged to indicate the central lines of the four support screws 9; a lower turntable locking part 12 is arranged on the lower turntable 11 and used for limiting the relative rotation of the lower turntable 11 and the base 10; the base 10 is used for connecting a support, and the slope lofting device is installed at a designated position.
The utility model discloses a theory of operation does: erecting the gradient lofting device on a known point a, measuring the height Ha3 of the device, calculating to obtain the height difference H delta of the emission center of the red point laser emitter 2 relative to the designed height of the point, emitting red point laser to the tower staff 26 at the known point b by the red point laser emitter 2, and adjusting the red point laser to the corresponding height by calculation to enable the laser beam emitted by the red point laser emitter 2 to be parallel to the road design line, namely enabling the distance from each point on the red point laser emission straight line between two points ab to be H delta from the design line; rotating the slope lofting device by 90 degrees, enabling the red point laser to emit to the step staff 26 of the point c, and correspondingly adjusting to enable the red point laser between the two points ac to be parallel to the design line, namely determining the laser plane 25 parallel to the road design surface 22 by using the known three points a, b and c, wherein the distances from the red point laser emitter 2 with the emitting center positioned on the laser plane 25 to the road design surface 22 by rotating the laser emitted by any angle are H delta; the red point laser transmitter 2 transmits laser red points to the sliding staff 26 at the point to be measured to obtain the degree H3 of the sliding staff 26 at the point, and then the height difference H = H delta-H3 between the ground 24 and the road design surface 22 at the point to be measured can be calculated.
As shown in fig. 3 to 5, the specific application method of the present embodiment is as follows:
a. three known points a, b and c are determined around the area to be lofted, wherein an ab point connecting line is parallel to the road design center line 21, and an ac point connecting line is perpendicular to the road design center line 21. The elevation of the known point a is Ha1, and the design elevation is Ha 2; knowing that the elevation of the point b is Hb1, and the design elevation is Hb 2; the known point c elevation is Hc1, and the design elevation is Hc 2;
b. the slope lofting device is installed at a point a, the height from the ground 24 to the emitting center of the red point laser emitter 2 is measured to be Ha3, the sliding staff 26 is installed at a point b and a point c respectively, the upper rotary table 6 is rotated, so that the rotary table scale 5 and the support scale 7 are in a straight line, the upper rotary table locking piece 14 is screwed in, and the upper rotary table 6 and the support 8 are kept fixed; rotating the lower rotary table 11, aiming at the sliding staff 26 at the point b through the telescope 3, and opening the lower rotary table locking piece 12 to ensure that the base 10 and the lower rotary table 11 are fixed; loosening the upper rotary table locking piece 14 to enable the upper rotary table 6 and the support 8 to rotate;
c. rotating the upper rotary table 6 to align the telescope 3 with the b-point tower ruler 26, and adjusting the two support screws 9 right below the telescope 3 to enable the laser red point emitted by the red-point laser emitter 2 to fall on 26-degree Hb3 of the tower ruler, wherein Hb3= Ha1+ Ha3-Ha2-Hb1+ Hb 2;
d. rotating the upper turntable 6 by 90 degrees, aligning the telescope 3 with the c-point sliding staff 26, and adjusting two support screws 9 right below the telescope 3 to enable the red point of the laser emitted by the red-point laser emitter 2 to fall on the degree Hc3 of the sliding staff 26, wherein Hc3= Hc3= Ha1+ Ha3-Ha2-Hc1+ Hc 2; at this time, the laser plane 25 emitted by the red point laser emitter 2 is parallel to the road design surface 22, the distances from the laser emitted by the red point laser emitter 2 rotating any angle, the emission center of which is positioned on the laser plane 25, to the design surface are all H delta, H delta = Ha1+ Ha3-Ha 2;
e. erecting the sliding staff 26 on a to-be-lofted point, irradiating the sliding staff 26 with red point laser until the sliding staff 26 reaches the point with the degree of H3, and setting the height of the point from the red point to the lower H delta as the design height of the point, so that the height difference H = H delta-H3 = Ha1+ Ha3-Ha2-H3 between the ground 24 and the road design line at the point to be measured.
It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced with equivalents, but any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A slope lofting device is characterized by comprising a base, a lower rotary table, a support, an upper rotary table and a level main body, wherein the base is used for connecting a support; the lower rotary table is connected with the base through a first central rotating shaft and rotates relative to the base; the bottom of the support is arranged on the lower rotary table through an adjusting mechanism for adjusting the angle of the support, the upper part of the support is connected with the upper rotary table through a second central rotating shaft, and the upper rotary table rotates relative to the support; the level main body is arranged on the upper rotary table, the red point laser transmitter of the level main body is arranged at the top of the level main body, the front end and the rear end of the level main body are respectively provided with a telescope, and the sight line of the telescope is parallel to the laser transmitting direction of the red point laser transmitter.
2. The slope lofting apparatus of claim 1, wherein the base, lower turret, support and upper turret are all disk structures of the same diameter and coaxial.
3. The slope lofting apparatus of claim 2, wherein four sets of the adjustment mechanisms are evenly circumferentially spaced around the outer periphery of the lower turret; the adjusting mechanism comprises a support screw arranged on the lower rotary table and an adjusting screw rod of which the upper end is connected with the support, and the lower end of the adjusting screw rod is in threaded connection with the support screw; the support screw rotates relative to the lower rotary table, when the support screw rotates, the adjusting screw matched with the support screw rotates and moves axially, and the support connected with the adjusting bolt goes up and down along with the adjusting screw.
4. The slope lofting apparatus of claim 3, wherein the support spirals are four in number and are equally spaced on the lower turret around the center of the lower turret, and the connecting lines of the centers of two opposite support spirals are perpendicular to each other and intersect to form a cross center line, the center of the cross center line coinciding with the center of the lower turret.
5. The slope lofting device of claim 1, wherein the upper rotary table is provided with an upper rotary table locking piece for limiting relative rotation of the upper rotary table and the support, the upper rotary table locking piece is a first locking bolt, and when the first locking bolt is screwed downwards, the lower end of the first locking bolt abuts against the upper surface of the support.
6. The slope lofting device of claim 1, wherein the lower rotary table is provided with a lower rotary table locking member for limiting the relative rotation of the lower rotary table and the base, the lower rotary table locking member is a second locking bolt, and when the second locking bolt is screwed downwards, the lower end of the second locking bolt abuts against the upper surface of the base.
7. The slope lofting apparatus of claim 1, wherein a vertical turntable graduation mark for indicating the position of the perpendicular to the center point of the telescope and the red spot laser transmitter is provided at the outer edge of the upper turntable, the turntable graduation mark coinciding with the perpendicular to the center point of the laser transmission of the red spot laser transmitter.
8. The slope lofting apparatus of claim 4, wherein four support graduations are provided on the outboard side of the support for indicating four support helical centerlines, respectively, the cross centerline radiating to the support edge corresponding to the four support graduations provided on the outboard side of the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021283709.4U CN212512990U (en) | 2020-07-03 | 2020-07-03 | Slope lofting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021283709.4U CN212512990U (en) | 2020-07-03 | 2020-07-03 | Slope lofting device |
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| Publication Number | Publication Date |
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| CN212512990U true CN212512990U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021283709.4U Active CN212512990U (en) | 2020-07-03 | 2020-07-03 | Slope lofting device |
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| CN (1) | CN212512990U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777732A (en) * | 2022-04-20 | 2022-07-22 | 中国三冶集团有限公司 | Mounting method of sintering cylinder type mixer |
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2020
- 2020-07-03 CN CN202021283709.4U patent/CN212512990U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777732A (en) * | 2022-04-20 | 2022-07-22 | 中国三冶集团有限公司 | Mounting method of sintering cylinder type mixer |
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