CN213579306U - Auxiliary measuring device for elevation of bridge cantilever construction beam - Google Patents
Auxiliary measuring device for elevation of bridge cantilever construction beam Download PDFInfo
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- CN213579306U CN213579306U CN202121181626.9U CN202121181626U CN213579306U CN 213579306 U CN213579306 U CN 213579306U CN 202121181626 U CN202121181626 U CN 202121181626U CN 213579306 U CN213579306 U CN 213579306U
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Abstract
The utility model provides an auxiliary measuring device for the elevation of a bridge cantilever construction beam, which comprises a tape measure cabin, a combined vertical frame, a self-balancing pointer, a triangular base, a spiral foot, a plumb and an intelligent electronic plug-in device; the triangular base is provided with a spiral pin in a threaded manner; the combined vertical frame is fixed on the triangular base, the tape measure bin is slidably mounted on the combined vertical frame, and the self-balancing pointer is mounted on the combined vertical frame; the plumb is connected with a tape measure of the tape measure cabin and is hung at the end part of the tape measure cabin; the auxiliary measuring device has simple structure, stable work, easy operation, economy and practicality. By utilizing the self-balancing pointer and the tape cabin and combining with the base point elevation related to the bridge, the elevation of each measuring point at the top and bottom of each section of the main beam in the construction process of the bridge cantilever can be rapidly, safely and accurately measured. The auxiliary measuring device can effectively solve the problem that the elevation of the construction control point is not easy to measure on each section of the beam body in the construction process of the bridge cantilever.
Description
Technical Field
The utility model relates to a construction survey technical field, concretely relates to auxiliary measuring device of bridge cantilever construction beam elevation.
Background
The cantilever construction method is a modern construction method without a support, and is also called a self-erecting construction method. The method has the characteristics of economy, high efficiency, no interruption of traffic under the bridge, low requirement on construction environment and the like, and is widely applied to the construction of modern large-span bridges, particularly to the construction of bridge types such as large-span prestressed reinforced concrete continuous beams, continuous rigid frames, rigid frame-continuous combined beam bridges and the like. The cantilever construction method has become the most main modern construction method of the large-span prestressed reinforced concrete bridges.
Due to the fact that the bridge of the type is in the cantilever construction process, the mechanical behavior of the structure is complex. In order to ensure that the line shape and the stress of the bridge structure after the bridge is formed meet the design and standard requirements and ensure the safety in the construction process, strict construction control needs to be carried out on the bridge structure in the cantilever construction process. And the measured values of the beam top and beam bottom elevations of each section of the main beam in the cantilever construction process are essential basic data for carrying out construction control, so that the monitoring of the beam top and beam bottom elevations of each construction section of the main beam under each construction working condition becomes one of important tasks which cannot be avoided in the cantilever construction process of the prestressed reinforced concrete bridge.
In the cantilever work progress, to the girder segment in the construction, its bottom surface and side inevitably can receive the construction and hang the basket and the sheltering from of construction template, adopt the unable simple and convenient accurate elevation of measuring the girder bottom surface of spirit level or total powerstation to influence construction precision and construction progress.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned among the prior art not enough, the utility model provides a bridge cantilever construction beam elevation's auxiliary measuring device, its purpose is solved girder segment bottom surface and side and inevitably can receive sheltering from of construction string basket and construction template, adopts the problem of the elevation of measuring the girder bottom surface that surveyor's level or total powerstation can not be simple and convenient accurate.
In order to achieve the purpose of the invention, the utility model adopts the following technical scheme:
the auxiliary measuring device for the elevation of the bridge cantilever construction beam comprises a tape measure bin, a combined vertical frame, a self-balancing pointer, a triangular base, a spiral foot and a plumb;
the triangular base is provided with a spiral pin in a threaded manner; the combined vertical frame is fixed on the triangular base, the tape measure bin is slidably mounted on the combined vertical frame, and the self-balancing pointer is mounted on the combined vertical frame; the plumb is connected with a tape measure of the tape measure cabin and is hung at the end part of the tape measure cabin.
The utility model has the advantages that: in the scheme, the auxiliary measuring device has the advantages of simple structure, stable work, easy operation, economy and practicality. The height parameters of each section of the main beam in the construction process of the bridge cantilever can be rapidly, safely and accurately measured by using the self-balancing pointer capable of automatically leveling and the tape measure capable of automatically being in the tape measure cabin in the vertical state, so that the working efficiency is improved, and the engineering progress and the engineering quality are accelerated. The auxiliary measuring device can effectively solve the problem that the elevation of each section of the beam body is not easy to measure in the bridge cantilever construction process.
Furthermore, rolling devices are arranged in the middle of two side faces of the tape measure cabin.
Furthermore, the combined vertical frame comprises two horizontal guide rails which are parallel to each other and a support column which is used for supporting the guide rails and is fixed on the triangular base, one end of each guide rail extends out of the triangular base, the rolling device of the tape measure cabin is arranged on the guide rails in a sliding manner, and the tape measure outlet of the tape measure cabin is positioned between the two guide rails; and a semicircular groove for installing a self-balancing pointer is arranged on the guide rail.
Further, the self-balancing pointer comprises a sliding rod, a connecting rod, a vertical ball and a reading pointer, wherein the sliding rod, the connecting rod, the vertical ball and the reading pointer are placed in the semicircular groove, one end of the connecting rod is connected with the vertical ball, the other end of the connecting rod is connected to the middle of the sliding rod, and the reading pointer is horizontally arranged on the vertical ball and located between the two guide rails.
Furthermore, a balancing weight and a circular level are arranged on the triangular base.
Further, the number of the spiral feet is three, and the three spiral feet are respectively and closely arranged at three corner points of the triangular base.
Further, the plumb is cylindrical.
Furthermore, the intelligent electronic plug-in device is connected with the user side. The user side comprises a computer or a mobile phone.
In addition to the technical problems addressed by the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, the present invention provides other technical problems that can be solved, other technical features included in the technical solutions, and advantages brought by the technical features, and further detailed descriptions will be made in the detailed description of the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is the utility model discloses in a bridge cantilever construction beam elevation's auxiliary measuring device's front view.
Fig. 2 is the utility model discloses in a bridge cantilever construction beam elevation's auxiliary measuring device's plan view.
Fig. 3 is a schematic view of the auxiliary measuring device in use.
Wherein: 1. plumbing; 2. a tape measure compartment; 3. a guide rail; 4. a semicircular groove; 5. a slide bar; 6. a connecting rod; 7. a drooping ball; 8. a reading pointer; 9. a helical leg; 10. a triangular base; 11. a top surface of the main beam; 12. and (4) a support column.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an auxiliary measuring device for the elevation of a cantilever construction beam of a bridge, which includes a tape measure cabin 2, a combined vertical stand, a self-balancing pointer, a triangular base 10, a spiral foot 9 and a plumb 1;
the triangular base 10 is provided with a spiral foot 9 through threads; the combined vertical frame is fixed on the triangular base 10, the tape measure cabin 2 is slidably arranged on the combined vertical frame, and the self-balancing pointer is arranged on the combined vertical frame; the plumb 1 is connected with a tape measure of the tape measure cabin 2 and is hung at the end part of the tape measure cabin 2.
In the scheme, the auxiliary measuring device is simple in structure, stable in work, easy to operate, economical and practical. The height parameters of each section of the main beam in the bridge cantilever construction process can be rapidly, safely and accurately measured by using the self-balancing pointer capable of automatically leveling and the tape measure capable of automatically being in the plumb state tape measure cabin 2, and the elevation values of each measuring point at the top and bottom of the bridge cantilever construction section can be immediately obtained by using the intelligent electronic plug-in device and combining the base point elevation related to the bridge, so that the working efficiency is improved, and the engineering progress and the engineering quality are accelerated. The auxiliary measuring device can effectively solve the problem that the elevation of each section of the beam body (especially the elevation of each measuring point at the bottom of the beam) is not easy to measure in the bridge cantilever construction process.
In the scheme, preferably, referring to fig. 1 and 2, the middle parts of the two side surfaces of the tape measure cabin 2 are provided with rolling devices. Wherein the tape measure cabin 2 can comprise a cylindrical tape measure box, a return spring arranged in the tape measure box and a tape measure connected with the return spring. The tape measure box comprises a left shell and a right shell which are detachably connected; the front end of the tape box is provided with an outlet of the tape, and the outlet is provided with a cylindrical micro-pressure rolling device, so that the descending speed of the tape pulled by the plumb 1 can be conveniently controlled. The side of the tape measure box is provided with a rolling device which is convenient to slide on the guide rail 3, wherein the rolling device can be a rod fixed on the side of the tape measure box and a roller sleeved on the rod, and when in use, the roller can be placed on the guide rail 3 so as to facilitate the tape measure bin 2 to slide on the guide rail 3.
In the present solution, preferably, referring to fig. 1 and 2, the combined stand comprises two parallel guide rails 3 and a support column 12 fixed on the triangular base 10 for supporting the guide rails 3; specifically, two horizontal guide rails 3 and four support columns 12 may be included, two support columns 12 may be welded to the same end portions of two support columns 12, another two support columns 12 may be welded to the middle portion of the guide rail 3, the two guide rails 3 are arranged in parallel, and the four support columns 12 may be welded to the triangular base 10 in the manner described with reference to fig. 2. One end of the guide rail 3 extends out of the triangular base 10, the tape measure cabin 2 is arranged on the guide rail 3 through a rolling device, and the tape measure outlet of the tape measure cabin is positioned between the two guide rails 3, so that the tape measure cabin 2 can slide on the extending end of the guide rail 3 within a certain range to adjust the position of the tape measure cabin 2, and the measurement is more convenient. The guide rail 3 is provided with a semicircular groove 4 for installing a self-balancing pointer, and the inner surface of the semicircular groove 4 is smooth and round, so that the self-balancing pointer can be conveniently adjusted in a sliding manner.
In the scheme, preferably, referring to fig. 1 and 2, the self-balancing pointer comprises a sliding rod 5, a connecting rod 6, a vertical ball 7 and a reading pointer 8 which are arranged in a semicircular groove 4, one end of the connecting rod 6 is connected with the vertical ball 7, the other end of the connecting rod is connected to the middle of the sliding rod 5, and the reading pointer 8 is horizontally arranged on the vertical ball 7 and is positioned between the two guide rails 3. How the self-balancing pointer realizes the automatic balance of the reading pointer, any two sliding rods 5, the connecting rod 6 and the reading pointer 8 are vertical to each other, and then the sliding rods 5 slide at the bottom of the semicircular grooves 4 by using the gravity of the vertical ball 7, so that the reading pointer 8 is automatically in a horizontal state.
In the present scheme, referring to fig. 1 and fig. 2, a counterweight and a circular level are disposed on the triangular base 10, and the circular level is used for displaying the horizontal condition of the triangular base 10, so that the triangular base 10 is in a horizontal state as much as possible when in use. The balancing weight is far away from the tape measure cabin 2, so that the auxiliary measuring device can not incline or turn over.
In the present embodiment, referring to fig. 1 and 2, the number of the spiral legs 9 is three, and the three spiral legs are respectively close to three corner points of the triangular base 10, and the triangular base 10 is ensured to be horizontal by adjusting the three spiral legs 9.
In the scheme, preferably, referring to fig. 1 and 2, the plumb 1 is cylindrical, and the upper end of the plumb 1 is detachably connected with a tape measure of the tape measure cabin 2, for example, the upper end of the plumb can be connected with a screw, or a clamp or a rope can be used to connect the two. For convenience of measurement, the height of the plumb 1 is preferably a fixed value, and may be, for example, 5 cm. The weight of the plumb 1 is based on the sag of the surface of the tape measure cabin 2, which is not too heavy. In addition, in order to facilitate the retraction of the tape surface of the tape measure cabin 2, the tape measure cabin 2 with a handle is adopted, or the plumb 1 is taken down when the tape surface of the tape measure cabin 2 is recovered.
The intelligent electronic plug-in device is connected with the user side; the user side is a mobile phone or a computer. The intelligent electronic plug-in device is a program memory coded according to the current bridge construction measurement technical specification. The intelligent electronic plug-in device can be inserted into a notebook computer or an intelligent mobile phone, and is used for processing relevant measured parameters, analyzing and calculating the elevation values of each measuring point at the top and the bottom of the beam, and simultaneously providing corresponding measuring error indexes for decision-making of field measuring personnel.
Referring to fig. 1 and 2, the auxiliary measuring device measures the height parameters of the measuring points required on each section of the main beam in the construction process of the cantilever of the bridge by using a self-balancing pointer with an automatic leveling function and a measuring tape which can be automatically in a vertical state of a measuring tape cabin 2, inputs the measured values into an intelligent electronic plug-in unit by combining the elevation values of leveling points on the bridge, and can quickly and accurately calculate the elevation values of each measuring point at the top and bottom of each section of the beam body. The auxiliary measuring device comprehensively adopts the technology of combining a mechanical structure with an intelligent electronic plug-in unit, and has the advantages of simple structure, stable work, easy operation, economy and practicability. The mechanical structure part comprises a tape measure bin 2, a combined vertical frame, a self-balancing pointer, a triangular base 10, a spiral foot 9 and a plumb 1, wherein the elevations of the top and the bottom of each section of the main beam in the bridge cantilever construction process can be rapidly, safely and accurately measured by utilizing the mechanical structure part and an intelligent electronic plug-in device and combining the elevation of a base point related to the bridge; the working efficiency is improved, and the project progress and the project quality are accelerated. The auxiliary measuring device can simply, conveniently and accurately measure the elevation of each construction control point at the top and bottom of each cantilever construction section of the prestressed reinforced concrete beam body.
Referring to fig. 3, the auxiliary measuring device is used in the actual bridge section in the following manner (side forms are not shown):
the auxiliary measuring device is placed at the end part of the top surface 11 of the main beam (a cantilever beam to be measured); leveling the triangular base 10 by using the spiral feet 9; slowly lowering the plumb 1 to the plane of the elevation to be measured; reading h1, h2 and h3 from the auxiliary measuring device; measuring the elevation of Ea (base point elevation) by using a precision level gauge; h d and h c are detected or measured (the two parameters are relatively fixed and can be measured in advance); and (4) bringing all the parameters into an intelligent electronic plug-in unit, and analyzing and processing the parameters to obtain the elevation of the measuring point and the error parameters thereof.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. An auxiliary measuring device for the elevation of a bridge cantilever construction beam is characterized by comprising a tape measure cabin (2), a combined vertical frame, a self-balancing pointer, a triangular base (10), a spiral foot (9) and a plumb (1);
the triangular base (10) is provided with a spiral foot (9) in a threaded manner; the combined vertical frame is fixed on a triangular base (10), the tape measure cabin (2) is installed on the combined vertical frame in a sliding mode, and the self-balancing pointer is installed on the combined vertical frame; the plumb (1) is connected with a tape measure of the tape measure cabin (2) and is hung at the end part of the tape measure cabin (2).
2. The auxiliary measuring device for the elevation of the bridge cantilever construction beam according to claim 1, wherein the middle parts of the two side surfaces of the tape measure cabin (2) are provided with rolling devices.
3. The auxiliary measuring device for the bridge cantilever construction beam elevation is characterized in that the combined stand comprises two parallel guide rails (3) and a support column (12) which is used for supporting the guide rails (3) and is fixed on a triangular base (10), one end of each guide rail (3) extends out of the triangular base (10), the tape measure cabin (2) is arranged on the guide rails (3) in a sliding mode through a rolling device, and the tape measure outlet of the tape measure cabin is located between the two guide rails (3); and a semicircular groove (4) for installing a self-balancing pointer is formed in the guide rail (3).
4. The auxiliary measuring device for the bridge cantilever construction beam elevation of claim 3, wherein the self-balancing pointer comprises a connecting rod (6), a plumb ball (7), a reading pointer (8) and a sliding rod (5) placed in the semicircular groove (4), one end of the connecting rod (6) is connected with the plumb ball (7), the other end of the connecting rod is connected to the sliding rod (5), and the reading pointer (8) is horizontally arranged on the plumb ball (7) and is positioned between the two guide rails (3).
5. The auxiliary measuring device for the elevation of the bridge cantilever construction beam according to claim 1, wherein the triangular base (10) is provided with a balancing weight and a circular level.
6. The auxiliary measuring device for the elevation of the bridge cantilever construction beam according to claim 1, wherein the number of the spiral legs (9) is three, and the three spiral legs are respectively arranged near three corner points of the triangular base (10).
7. The auxiliary measuring device for the elevation of the cantilever construction beam of a bridge according to claim 1, wherein the plumb (1) is cylindrical.
8. The auxiliary measuring device for the elevation of the bridge cantilever construction beam according to claim 1, further comprising an intelligent electronic plug-in device, wherein the intelligent electronic plug-in device is in communication with a user terminal.
9. The auxiliary measuring device for the elevation of the bridge cantilever construction beam according to claim 8, wherein the user terminal comprises a computer or a mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121181626.9U CN213579306U (en) | 2021-05-31 | 2021-05-31 | Auxiliary measuring device for elevation of bridge cantilever construction beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121181626.9U CN213579306U (en) | 2021-05-31 | 2021-05-31 | Auxiliary measuring device for elevation of bridge cantilever construction beam |
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| Publication Number | Publication Date |
|---|---|
| CN213579306U true CN213579306U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121181626.9U Active CN213579306U (en) | 2021-05-31 | 2021-05-31 | Auxiliary measuring device for elevation of bridge cantilever construction beam |
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| CN (1) | CN213579306U (en) |
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2021
- 2021-05-31 CN CN202121181626.9U patent/CN213579306U/en active Active
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