CN218380980U - Template gradient measuring device - Google Patents
Template gradient measuring device Download PDFInfo
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- CN218380980U CN218380980U CN202222156026.8U CN202222156026U CN218380980U CN 218380980 U CN218380980 U CN 218380980U CN 202222156026 U CN202222156026 U CN 202222156026U CN 218380980 U CN218380980 U CN 218380980U
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Abstract
The utility model discloses a template gradient measuring device, include: the device comprises a controller, a laser range finder and a fixed bracket; the support comprises a platform, two vertical rods which can rotate around a common axial center are arranged in parallel in the center of the platform, laser range finders which can move up and down along the vertical rods are respectively arranged on the two vertical rods, and the measurement origin points of the two laser range finders are located at the axial centers of the two vertical rods; the top ends of the two vertical rods are respectively connected with a horizontal cross rod perpendicular to the vertical rods, each cross rod is respectively provided with a suspension bracket capable of horizontally moving along the cross rod, and each suspension bracket is used for suspending a vertical beacon which can be vertically retracted and naturally suspended; the utility model discloses the device is equipped with two sets and suspends frame and vertical beacon in midair, adopts laser range finder to measure a distance to the height-adjustable of laser range finder and vertical beacon can carry out the gradient measurement to the plane that the surface is with various devices closely on the place the platform of the complex condition, has reduced the device to measuring environment's requirement, has reduced because the error that the instrument is not just aroused to the plane that awaits measuring.
Description
Technical Field
The utility model belongs to the technical field of the monitoring is measured, especially, belong to gradient monitoring technology field, a bridge engineering becomes high mound hydraulic creeping formwork construction field of cross-section, concretely relates to super high mound hydraulic creeping formwork template gradient measuring device of variable cross-section.
Background
The variable cross-section high pier bridge has wide application in the field of bridge construction, wherein the variable cross-section construction quality of the high pier is related to the line shape of the high pier and the stress and line shape of the upper structure. A hydraulic creeping formwork construction method is generally adopted to construct a variable-section high pier, and the gradient control of a template is one of the most important control indexes for the variable-section hydraulic creeping formwork construction control.
The existing main means for measuring the template gradient is a total station, the measuring means is single, no comparison data exists, and the problems of long distance from a measuring and controlling point and inconvenience in returning often exist when the total station is used for measuring and controlling.
Patent application CN214893258U a special gradient measuring device of worker civil engineering building engineering discloses a measuring device, and the device is according to the gravity principle, with pedestal lower surface stationary contact measuring face, the pointer can point out angle ring angle of going up under the action of gravity. Patent application CN103278074B discloses a gradiometer which determines a wide range of angles through a positioning hole and then measures an accurate angle through a measuring board and a dial indicator. Patent application CN113418505A discloses a device and a method for measuring inclination of a full measuring surface of a bridge pier column. Patent application CN109668543A discloses an inclination measuring method based on a laser radar, which uses the laser radar to obtain angle coordinate information so as to calculate the inclination of a surface to be measured.
However, the variable-section ultrahigh pier is high in height, the slope contraction angle is small, the requirement on measurement accuracy is high, the construction site condition is complex, the measurement technology is difficult to use in the gradient measurement of the variable-section ultrahigh pier template, and a plurality of defects exist.
Disclosure of Invention
The utility model discloses a template gradient measuring device according to prior art's not enough. The utility model discloses the purpose is to current concrete placement template measuring device receive the measuring means that construction conditions restriction leads to single, observe and control not accurate problem, especially variable cross section high mound hydraulic pressure creeping formwork gradient measuring needs, provide an applicable, convenient, monitor instant template gradient measuring device.
The utility model discloses the technical scheme who adopts as follows:
a template inclination measurement apparatus comprising: the device comprises a laser range finder for obtaining a measured distance and a controller which is combined with the laser range finder to collect, arrange and display data, wherein the laser range finder is fixedly arranged on a support; the method is characterized in that:
the support comprises a platform, two vertical rods are vertically arranged in the center of the platform in parallel, the two vertical rods can rotate around a common axial center, laser range finders capable of moving up and down along the vertical rods are respectively arranged on the two vertical rods, and measuring original points of the two laser range finders are located at the axial centers of the two vertical rods; the top ends of the two vertical rods are respectively connected with a horizontal cross rod perpendicular to the vertical rods, each cross rod is respectively provided with a suspension frame capable of horizontally moving along the cross rod, and each suspension frame is used for suspending a vertical beacon which can be vertically retracted and naturally suspended.
The support is a tripod support and consists of support legs and a platform; the supporting legs are provided with adjusting bolts for leveling, and the surface of the platform is provided with leveling bubbles and a rotating track for rotating the two vertical rods.
And further, a fixing screw for positioning and fixing the rotation of the vertical rod is arranged on the rotating track, and angle scales for obtaining the included angle measured by the two laser range finders are arranged.
Further montant shell cross section is the opening rectangle, and laser range finder sets up in the rectangle shell, and two montants are together fixed through the rotation axis that is located axial direction center, and the rotation axis is fixed in on the platform, and two montants can be followed the rotation track, opened around the rotation axis rotation and realize that two laser range finders measure into an contained angle and fix.
Further the cross section of the cross rod shell is an open rectangle, and the suspension frame moves through the inner transverse rail of the rectangular cross rod.
Further arc-shaped guide rails are arranged at the tops of the cross rods of the measuring device, the cross rods can rotate along with the rotation of the vertical rods, the two cross rods and the arc-shaped guide rails form a three-leg system, and the stability of the two cross rods is improved.
The utility model discloses useful, the utility model discloses the device adopts adjustable support to support, is equipped with two sets of suspension brackets and vertical beacon, adopts laser range finder to carry out the range finding to the height-adjustable of laser range finder and vertical beacon, can carry out the gradient measurement to the plane that the surface has various devices closely on the place the platform of complicated condition, has reduced the requirement of device to measuring the environment; two laser range finders are adopted for ranging simultaneously, and the inclination of the plane to be measured is solved by combining a mathematical method, so that the error caused by the misalignment of the two laser range finders on the plane to be measured is reduced.
Drawings
FIG. 1 is a three-dimensional schematic view of the measuring device of the present invention;
fig. 2 is a three-leg stand elevation view of the measuring device of the present invention;
fig. 3 is a top view of the tripod rest of the measuring device of the present invention;
fig. 4 is a bottom view of the tripod rest of the measuring device of the present invention;
FIG. 5 is a vertical view of a vertical rod of the measuring device of the present invention;
FIG. 6 is a top view of a cross bar of the measuring device of the present invention;
fig. 7 is a cross-sectional view of a cross bar of the measuring device of the present invention;
fig. 8 is a cross-sectional view of a vertical rod of the measuring device of the present invention;
fig. 9 is a schematic view of the cable connection of the measuring device of the present invention;
fig. 10 is a schematic diagram of a calculation model applied to the measuring device of the present invention;
fig. 11 is a schematic plan view of the application model S point of the measuring device of the present invention;
fig. 12 is a schematic plane view of the O point of the measurement device application model of the present invention.
In the figure, 1 is a bracket, 12 is a supporting leg, 13 is an adjusting bolt, 14 is a platform, 15 is a leveling bubble, 16 is a rotating track, and 17 is a fixing screw; 2 is a vertical rod, 21 is a vertical rod shell, 22 is an electric vertical rail, 23 is a rotating shaft, 24 is a first vertical rod, and 25 is a second vertical rod; 3 is a cross bar, 31 is a cross bar shell, 32 is an electric cross rail, 33 is a suspension bracket, 34 is a vertical beacon, 35 is an arc-shaped guide rail, 36 is a first cross bar, and 37 is a second cross bar; 4 is a laser range finder, and 5 is a controller.
Detailed Description
The present invention will be further described with reference to the following embodiments, which are intended to illustrate the principles of the present invention without limiting the present invention in any way, and the present invention is not beyond the scope of the present invention.
As shown in the figure, the gradient measuring device of the variable cross-section high pier hydraulic creeping formwork template comprises three legs, a vertical rod, a horizontal rod, a laser range finder and a controller; the tripod comprises a frame body support and a support platform, and the frame body support is provided with an adjusting screw; the lower end of the vertical rod is vertically fixed on the top surface of the tripod, the tripod comprises a first vertical rod and a second vertical rod, the first vertical rod and the second vertical rod are the same, an electric track is arranged in the first vertical rod and the second vertical rod, the laser range finders are arranged on the electric track and can move up and down and emit laser which is perpendicular to the corresponding vertical rods and parallel to the corresponding transverse rods for ranging, and the two laser range finders are the same in position along the vertical rods; the cross rods are vertically fixed at the upper ends of the vertical rods and comprise a first cross rod and a second cross rod which are completely identical, an electric track, a suspension device and a vertical device are arranged in the cross rods, the suspension device is fixed on the electric track, and the vertical device is connected with the suspension device; the centralized controller is connected with and can electrically control the laser range finder, the electric track and the suspension device;
as shown in fig. 1, the tripod comprises a metal frame support and a frame platform, the frame support is provided with an adjusting screw, the frame platform is provided with leveling bubbles, a rotating track and a vertical rod, the tripod is leveled by adjusting the adjusting screw on the frame support, the periphery of the rotating track is provided with angle scales, and the bottom surface of the rotating track is provided with a fixing screw;
the cross section of the vertical rod shell is an open rectangle, the two vertical rods are fixed together through a rotating shaft, the rotating shaft is fixed on the support platform, the two vertical rods can rotate around the rotating shaft along a rotating track so as to be opened for a certain angle, and the two vertical rods are screwed and fixed by using a fixing screw;
the cross section of the outer shell of the cross rod is a rectangle with a downward opening, the suspension device is fixed on an electric rail in the cross rod and can move along the electric rail, the suspension device can move along the electric guide rail, the top of the cross rod is provided with a rotating guide rail, the cross rod can rotate along with the rotation of the vertical rod, and the arrangement of the arc-shaped guide rail can increase the stability of the cross rod during rotation;
the vertical device is connected with the suspension device, the length of the vertical device in the vertical direction can be controlled by controlling the rotation of the suspension device, the vertical device consists of a metal strip and a hanging hammer, and the metal strip has the characteristics of softness, thinness and narrowness;
the integrated controller is master control equipment, is provided with a display screen and a key, can control the laser range finder to move up and down along the electric guide rail, measure the distance and record the moving distance of the laser range finder, can control the suspension device to move along the electric guide rail in the cross rod and adjust the length of the vertical device by controlling the suspension device;
a gradient measuring device for a variable cross-section high-pier hydraulic creeping formwork template comprises the following specific operation method: placing the tripod support in a short distance from the template to be measured, adjusting the tripod screw on the support body support to enable the support body platform to be approximately horizontal, manually controlling the two vertical rods to stretch for a certain angle and screwing down for measurement, adjusting the suspension devices on the two cross rods to proper positions and retracting the vertical devices; adjusting the two laser range finders to the upper parts of the vertical rods, measuring the distance between the two laser range finders and the template, adjusting the length of the vertical device of the first cross rod, and measuring the distance between the laser range finders in the first vertical rods and the vertical device; adjusting the two laser range finders to the lower part of the vertical rod, measuring the distance from the laser range finder in the first vertical rod to the vertical device, retracting the vertical device, and measuring the distance from the two laser range finders to the template;
the utility model discloses measuring device's application measuring method includes following step:
1) Placing the bracket on a stable operation platform which is at a certain distance from the template to be measured and is opposite to the plane of the template to be measured, observing the position of the leveling bubble, and adjusting the level of the platform;
2) According to the field situation, the two vertical rods are adjusted to be opened at proper angles so as to facilitate laser measurement, the suspension frame is adjusted to the front part of the cross rod to be fixed, and the vertical beacon is released and fixed;
3) Adjusting the laser range finders to the upper parts of the vertical rods, and respectively measuring and storing the distances from the laser range finders to the templates on the two cross rods; measuring and storing the distance from the laser range finder on the first cross rod to the vertical beacon;
4) Adjusting the laser range finder to the lower position of the vertical rod, keeping the suspension frame and the vertical beacon unchanged during the period, measuring the distance from the laser range finder on the first cross rod to the vertical beacon, and storing the distance; respectively measuring and storing the distances from the laser range finders on the two cross rods to the template;
5) And (6) processing data to finish measurement.
The data processing comprises the following methods;
s1: taking the axial central position of the vertical rod as an origin, and establishing a space rectangular coordinate system by taking the direction vertical to the horizontal side of the template as an X axis, the direction parallel to the horizontal side of the template as a Y axis and the direction of the vertical rod as a Z axis;
s2: making a vertical plane parallel to the horizontal line of the template on the straight line passing through the vertical beacon, wherein the included angle between the auxiliary vertical plane and the template plane is the included angle of the inclination to be calculated;
s3: solving and calculating local coordinates of the control points by using a cosine theorem and a trigonometric function;
s4: solving normal vectors of the vertical plane and the template plane according to the local coordinates of the control points;
s5: and (5) solving an included angle between the template plane and the vertical plane to finish measurement.
As shown in fig. 10, 11 and 12, the measured data of the variable cross-section high pier hydraulic creeping formwork inclination measuring device is assumed as follows:
SA 1 ＝α 1 SB 1 ＝b 1 SB 2 ＝b 2
OC 1 ＝c OD 1 ＝d 1 OD 2 ＝d 2
OS＝h ∠A 1 SA 2 ＝∠C 1 OC 2 ＝α
wherein, SA 1 Is the measuring distance between the upper measuring point of the first vertical rod laser range finder and the vertical plane, SB 1 Is the measuring distance between the upper measuring point of the first vertical rod laser range finder and the plane of the template, SB 2 Is the measuring distance between the upper measuring point of the second vertical rod laser range finder and the plane of the template, OC 1 Is the measuring distance, OD, between the lower measuring point of the first vertical rod laser range finder and the vertical plane 1 Is the measuring distance, OD, between the lower measuring point of the first vertical rod laser range finder and the plane of the template 2 Is the measuring distance between the lower measuring point of the second vertical rod laser range finder and the plane of the template, OS is the distance between the upper and lower measuring points, and angle A 1 SA 2 Is the angle between two cross bars of an upper measuring point 1 OC 2 Is the angle between two cross bars at the lower measuring point.
S1, establishing a space rectangular coordinate system, taking a second measuring point of a laser range finder as an original point, taking the direction of a vertical rod as a Z axis, taking a horizontal line vertical to a template plane as an X axis, and taking a Y axis parallel to the template plane, and establishing the space rectangular coordinate system;
s2, making an auxiliary plane A parallel to a horizontal line in the plane of the template by a straight line where the vertical device of the first cross rod is located 1 A 2 C 2 C1 ；
S3, solving local coordinates of the control points by utilizing a sine and cosine theorem, wherein the calculation method comprises the following steps:
Y A2 ＝-α 2 cos∠SA 2 A 1 X A2 ＝a 2 sin∠SA 2 A 1 Z A2 ＝h
in the same way, can obtain A 1 、C 1 、B 1 、B 2 、D 1 Local coordinates;
s4, solving normal vectors of the two planes, wherein the calculation process is as follows:
setting a vertical plane A 1 A 2 C 2 C 1 The normal vector of (a) is:
then:
namely:
setting a template plane B 1 B 2 D 2 D 1 The normal vector of (a) is:
then:
namely:
s5, an included angle between the vertical plane and the template plane is as follows:
the measurement is completed.
Claims (6)
1. A template inclination measurement apparatus comprising: the device comprises a laser range finder for obtaining a measured distance and a controller which is combined with the laser range finder to collect, arrange and display data, wherein the laser range finder is fixedly arranged on a support; the method is characterized in that:
the support comprises a platform, two vertical rods are vertically arranged in the center of the platform in parallel, the two vertical rods can rotate around a common axial center, laser range finders capable of moving up and down along the vertical rods are respectively arranged on the two vertical rods, and measuring original points of the two laser range finders are located at the axial centers of the two vertical rods; the top ends of the two vertical rods are respectively connected with a horizontal cross rod perpendicular to the vertical rods, each cross rod is respectively provided with a suspension frame capable of horizontally moving along the cross rod, and each suspension frame is used for suspending a vertical beacon which can be vertically retracted and naturally suspended.
2. Template inclination measuring device according to claim 1, characterized in that: the support is a tripod support and consists of support legs and a platform; the supporting legs are provided with adjusting bolts for leveling, and the surface of the platform is provided with leveling bubbles and a rotating track for rotating the two vertical rods.
3. Template inclination measuring device according to claim 2, characterized in that: the rotating track is provided with a fixing screw for positioning and fixing the rotation of the vertical rod, and angle scales for obtaining the included angle measured by the two laser range finders are arranged.
4. Template inclination measuring device according to claim 3, characterized in that: the cross section of the vertical rod shell is an open rectangle, the laser range finder is arranged in the rectangular shell, the two vertical rods are fixed together through a rotating shaft located at the axial center, the rotating shaft is fixed on the platform, and the two vertical rods can be opened along the rotating track and rotate around the rotating shaft to realize that the two laser range finders measure an included angle and are fixed.
5. Template inclination measuring device according to claim 3, characterized in that: the cross section of the cross rod shell is an open rectangle, and the suspension frame moves through the inner transverse rail of the rectangular cross rod.
6. Template inclination measuring device according to claim 5, characterized in that: the top of the cross rod is provided with an arc-shaped guide rail, and the cross rod can rotate along with the rotation of the vertical rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222156026.8U CN218380980U (en) | 2022-08-16 | 2022-08-16 | Template gradient measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222156026.8U CN218380980U (en) | 2022-08-16 | 2022-08-16 | Template gradient measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218380980U true CN218380980U (en) | 2023-01-24 |
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ID=84967246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222156026.8U Active CN218380980U (en) | 2022-08-16 | 2022-08-16 | Template gradient measuring device |
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| Country | Link |
|---|---|
| CN (1) | CN218380980U (en) |
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2022
- 2022-08-16 CN CN202222156026.8U patent/CN218380980U/en active Active
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