CN217007823U - Be used for steel pipe arch bridge measuring prism fixing device - Google Patents
Be used for steel pipe arch bridge measuring prism fixing device Download PDFInfo
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- CN217007823U CN217007823U CN202220576937.3U CN202220576937U CN217007823U CN 217007823 U CN217007823 U CN 217007823U CN 202220576937 U CN202220576937 U CN 202220576937U CN 217007823 U CN217007823 U CN 217007823U
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- fixing plate
- arch bridge
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Abstract
The utility model relates to a be used for steel pipe to encircle bridge measuring prism fixing device relates to and measures prism technical field, and this be used for steel pipe to encircle bridge measuring prism fixing device includes: the device comprises a fixed plate, a prism, a bracket, a measuring piece and a telescopic screw rod, wherein a through accommodating opening is formed in the center of the fixed plate; the prism is arranged in the accommodating port, and the center of the prism is superposed with the center of the fixing plate; the plurality of brackets are horizontally connected to the upper end face of the fixing plate, each bracket is provided with a measuring piece along the axis direction, and the plurality of measuring pieces are used for positioning the center of the steel pipe when the fixing plate is erected in the steel pipe opening through the brackets; the telescopic screw is provided with a plurality of, and equal horizontal connection is at the lower terminal surface of fixed plate, and the telescopic screw is used for when steel pipe center positioning, with the inner wall butt of steel pipe. This application is through erectting the fixed plate level in the steel pipe mouth, adjusts the length of telescopic screw and observes the reading of measuring part, makes prism pinpoint to the steel pipe center, has solved the fixed inconvenient and inaccurate problem in location of prism.
Description
Technical Field
The application relates to the technical field of measuring prisms, in particular to a prism fixing device for measuring a steel pipe arch bridge.
Background
The steel pipe concrete arch bridge is one of steel-concrete composite structures, and is characterized by that the concrete is filled in the steel pipe, and the expansion of the compressed concrete is limited by radial constraint of the steel pipe, so that the concrete is in a three-dimensional compressed state, and the compression strength of the concrete can be obviously raised.
In the steel tube arch bridge construction survey, a measuring prism is required to be matched with a total station to measure the relative position of each steel tube so as to determine the position of an arch rib connected with the steel tube. The existing measuring prism is generally fixed by a bracket, but the existing bracket has a single structure and has the problem of inconvenient adjustment; and the positioning of the prism usually adopts a special person to hold the prism for positioning the front sight point or adopts a GPS for positioning, so that the problems of low positioning precision or complex positioning process exist. Therefore, a fixing device for a steel tube arch bridge measuring prism, which is convenient to adjust, is needed.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide a prism fixing device for steel pipe arched bridge is measured to the fixed inconvenient and inaccurate problem in location of prism among the solution correlation technique.
In order to achieve the above object, the present application provides a prism fixing device for steel pipe arch bridge measurement, which includes:
the center of the fixing plate is provided with a through containing port;
a prism, which is arranged in the accommodating opening, and the center of the prism is superposed with the center of the fixing plate;
a plurality of brackets which are horizontally connected to the upper end surface of the fixed plate, wherein each bracket is provided with a measuring piece along the axial direction, and the plurality of measuring pieces are used for positioning the center of the steel pipe when the fixed plate is erected in the steel pipe opening through the brackets;
and a plurality of telescopic screw rods which are horizontally connected to the lower end surface of the fixing plate, and are used for abutting against the inner wall of the steel pipe when the center of the steel pipe is positioned.
In some embodiments, the distance from the zero scale position of each measuring member to the center of the prism is the same, and the axis of each measuring member passes through the center of the fixing plate.
In some embodiments, a plurality of the brackets are uniformly distributed along the circumference of the fixing plate.
In some embodiments, each of the telescopic screws is located between two adjacent brackets.
In some embodiments, the axis of each of the telescopic screws passes through the center of the fixing plate.
In some embodiments, the fixing plate is square, the number of the brackets is four, the brackets are respectively vertically connected to four side edges of the fixing plate, and the number of the telescopic screws is four, and the telescopic screws are respectively connected to four vertices of the fixing plate.
In some embodiments, the measuring member is a triangular ruler.
In some embodiments, the above-mentioned telescopic screw comprises:
a first support rod connected to the fixing plate;
and one end of the second support rod is in threaded fit with one end of the first support rod, which is far away from the fixed plate.
In some embodiments, an end of the second support rod, which is away from the first support rod, is connected to a conical head, and when the center of the steel pipe is located, a pointed end of the conical head abuts against an inner wall of the steel pipe.
In some embodiments, the second support rod is sleeved on the first support rod, the first support rod is sleeved with a nut and is in threaded fit with the first support rod, and the nut is used for abutting against the second support rod when the center of the steel tube is positioned.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a prism fixing device for steel pipe arch bridge is measured, fixed plate that has thickness through the setting, and fix the prism in the holding mouth that the center of fixed plate was seted up, and the center coincidence of the center of prism and fixed plate, again with the up end of a plurality of support horizontal connections at the fixed plate, a plurality of telescopic screw horizontal connections are at the lower terminal surface of fixed plate, thereby make the fixed plate locate in the steel pipe mouth through a plurality of support horizontal setups, through the length of adjusting a plurality of telescopic screw, and observe the reading of arranging the measuring part at every support axis direction, thereby can make the adjustment to the position of prism, make its accurate positioning to steel pipe center, and a plurality of telescopic screw and steel pipe inner wall butt, keep the stability of prism relative position, the fixed inconvenient and inaccurate problem in location of prism among the correlation technique has been solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a top view of a prism fixing device for steel tube arch bridge measurement according to an embodiment of the present invention;
FIG. 2 is a side view of a prism fixture for steel tube arch bridge measurement according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the telescopic screw in fig. 1.
Reference numerals:
1. a fixing plate; 11. an accommodating port; 2. a prism; 3. a support; 4. a measuring member; 5. a telescopic screw; 51. a first support bar; 52. a second support bar; 53. a conical head; 54. and a nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a prism fixing device for steel pipe arch bridge is measured, and it can solve the fixed inconvenient and inaccurate problem in location of prism among the correlation technique.
As shown in fig. 1 and 2, the prism fixing device for steel tube arch bridge measurement provided by the present invention comprises a fixing plate 1, a prism 2, a bracket 3, a measuring piece 4 and a telescopic screw 5, wherein an accommodating opening 11 penetrating through the fixing plate 1 is formed in the center of the fixing plate 1, the prism 2 is arranged in the accommodating opening 11, and the center of the prism 2 coincides with the center of the fixing plate 1; the number of the brackets 3 is plural, the brackets are all horizontally connected to the upper end face of the fixing plate 1, measuring pieces 4 are arranged on the brackets 3 in the axial direction, and when the fixing plate 1 is erected in a steel pipe opening through the brackets 3, the measuring pieces 4 are used for positioning the center of the steel pipe.
It should be noted that the fixing plate 1 is a plate-shaped structure with a certain thickness, and the size of the fixing plate 1 should be smaller than the size of the steel pipe opening, so that the fixing plate 1 can be erected in the steel pipe opening through a plurality of brackets 3, and the steel pipe can be measured through the prism 2. The function of the measuring member 4 is to locate the specific position of the prism.
The plurality of telescopic screws 5 are horizontally connected to the lower end surface of the fixed plate 1, and the telescopic screws 5 are used for abutting against the inner wall of the steel pipe when the center of the steel pipe is positioned.
During specific operation, firstly, the fixing plate 1 is erected in the steel pipe opening through the support 3, the length of each telescopic screw rod 5 is adjusted by observing the reading of the measuring piece 4 on the support 3, and one end, far away from the fixing plate 1, of each telescopic screw rod 5 is abutted to the inner wall of the steel pipe, so that the prism 2 is adjusted to the center position of the steel pipe opening, the relative position is kept stable, and measurement can be started.
Further, the distance from the zero scale position of each measuring member 4 to the center of the prism 2 is the same, and the axis of each measuring member 4 passes through the center of the fixing plate 1.
It can be understood that the axis of each measuring part 4 passes through the center of the fixing plate 1, and the distance from the zero scale position to the center of the prism is the same, so that the distance between the prism and different positions on the steel pipe wall can be better observed, and the position of the prism can be more quickly positioned.
Preferably, the plurality of brackets 3 are uniformly distributed along the circumferential direction of the fixing plate 1.
Preferably, each of the telescopic screws 5 is located between two adjacent brackets 3, so as to adjust the telescopic screws 5.
Preferably, the axis of each telescopic screw 5 passes through the center of the fixing plate 1, so that the position of the prism can be adjusted more quickly to be located at the center of the steel pipe.
Further, as shown in fig. 1, in the present embodiment, the fixing plate 1 is configured to be square, the number of the brackets 3 is four, and the brackets are vertically connected to four sides of the fixing plate 1, respectively, and the number of the telescopic screws 5 is also four, and the brackets are connected to four vertices of the fixing plate, respectively.
It can be understood, for the position of the more convenient and quick positioning prism of ability, set up the fixed plate into regular polygon or the platelike structure of circular isocenter symmetry, when the fixed plate is regular polygon, all set up a support on every side, and make the support perpendicular with the side, align the zero scale position of measuring part with the side of fixed plate, set up a telescopic screw at every apex of fixed plate again, and telescopic screw is located the axis at the center of fixed plate, can be so through the length of adjustment telescopic screw and observe the scale on the measuring part, adjust the prism to the orificial center of steel fast.
Optionally, can evenly set up a plurality of equidistant marks on every support 3 to as the measuring part use, as long as guarantee when the length of different telescopic screw of adjustment, can observe the prism to the distance of the different points of steel pipe wall equal can.
Preferably, the measuring member 4 is a triangular ruler to make the positioning of the prism more accurate.
Further, as shown in fig. 3, the telescopic screw 5 includes a first support rod 51 and a second support rod 52, one end of the first support rod 51 is connected to the fixing plate 1, and the other end is in threaded engagement with the second support rod 52. So that the relative position with the first support bar 51 can be adjusted by rotating the second support bar 52.
Further, as shown in fig. 3, a tapered head 53 is rotatably connected to an end of the second support rod 52 remote from the first support rod 51, and when the center of the steel pipe is positioned, the tapered end of the tapered head 53 abuts against the inner wall of the steel pipe.
It can be understood that the conical head 53 is connected to the end of the second support rod 52 far from the first support rod 51, so that when the second support rod 52 is rotated, the contact with the inner wall of the steel pipe is point contact, and the friction is smaller.
Further, as shown in fig. 3, when the second support rod 52 is sleeved outside the first support rod 51, a nut 54 is further sleeved outside the first support rod 51, and the nut 54 is in threaded fit with the first support rod 51, so that when the prism is positioned at the center of the steel pipe, the nut 54 is abutted against one end of the second support rod 52 away from the inner wall of the steel pipe, so that the relative position of the second support rod 52 is kept stable, and the second support rod 52 is prevented from slipping.
It can be understood that when the first supporting rod 51 is sleeved outside the second supporting rod 52, the nut 54 is sleeved outside the second supporting rod 52 and is used for abutting against one end of the first supporting rod 51 away from the fixing plate 1 when the prism is positioned at the center of the steel tube.
The working principle of the utility model is as follows: fixing a prism 2 for measurement in an accommodating opening 11 formed in the center of a fixing plate 1, enabling the center of the prism 2 to coincide with the center of the fixing plate 1, fixing a plurality of brackets 3 on the upper end surface of the fixing plate 1, enabling the axes of the plurality of brackets 3 to pass through the center of the fixing plate 1, enabling the distance from the zero scale position of each measuring piece 4 to the center of the prism 2 to be the same, erecting the fixing plate 1 on a steel pipe opening through the brackets 3, adjusting the lengths of a plurality of telescopic screw rods 5 positioned on the lower end surface of the fixing plate 1 by rotating a second support rod 52, enabling one end of the second support rod 52 to be abutted against the inner wall of the steel pipe, enabling the other end to be close to or far away from the fixing plate 1, observing the measuring pieces 4 simultaneously, and after reading on the plurality of measuring pieces 4 is the same, namely, indicating that the prism 2 is adjusted to the center point of the steel pipe, screwing a nut 54 at the moment, fixing the relative position between a first support rod 51 and the second support rod 52, the measurement can be started.
According to the prism fixing device for measuring the steel pipe arch bridge, the prism is arranged at the center of the fixing plate, the plurality of supports are arranged on the upper end face of the fixing plate, the prism can be erected in the steel pipe opening through the supports, the measuring piece is arranged on each support along the axis direction, the plurality of telescopic screws abutted to the inner wall of the steel pipe are arranged on the lower end face of the fixing plate, so that the prism can be located at the center of the steel pipe opening by adjusting the lengths of the different telescopic screws and observing the reading of each measuring piece, and the positioning problem of the prism is solved; the distance from the zero scale position of each measuring piece to the center of the prism is the same, and the axis of each measuring piece passes through the center of the fixing plate, so that the position of the prism is more convenient to observe and position; the support and the telescopic screw rod are arranged in a staggered manner, so that the telescopic screw rod is convenient to adjust; the telescopic screw is provided with the first supporting rod and the second supporting rod which are in threaded fit, so that the length of the telescopic screw is adjusted more accurately, the prism is positioned more accurately, and the measurement accuracy is improved; the nut is arranged on the first support rod or the second support rod, so that after the prism is positioned to the center of the steel pipe, the nut further fixes the relative position between the first support rod and the second support rod, and the stability of the prism is kept.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A prism fixing device for steel pipe arch bridge measurement, its characterized in that, it includes:
the center of the fixing plate (1) is provided with a through containing opening (11);
the prism (2) is arranged in the accommodating opening (11), and the center of the prism (2) is superposed with the center of the fixing plate (1);
the device comprises a plurality of brackets (3), a plurality of measuring pieces (4) and a positioning device, wherein the brackets (3) are horizontally connected to the upper end face of a fixing plate (1), each bracket (3) is provided with a measuring piece (4) along the axis direction, and the plurality of measuring pieces (4) are used for positioning the center of a steel pipe when the fixing plate (1) is erected in the steel pipe opening through the brackets (3);
telescopic screw (5), it is equipped with a plurality ofly, equal horizontal connection in the lower terminal surface of fixed plate (1), telescopic screw (5) are used for when steel pipe center location, with the inner wall butt of steel pipe.
2. A prism fixture for steel tube arch bridge measurement according to claim 1, wherein:
the distance from the zero scale position of each measuring piece (4) to the center of the prism (2) is the same, and the axis of each measuring piece (4) passes through the center of the fixing plate (1).
3. A prism fixture for steel tube arch bridge measurement according to claim 1, wherein:
the plurality of brackets (3) are uniformly distributed along the circumferential direction of the fixing plate (1).
4. A prism fixture for steel tube arch bridge survey according to claim 1, wherein:
each telescopic screw rod (5) is positioned between two adjacent brackets (3).
5. A prism fixture for steel tube arch bridge measurement according to claim 1, wherein:
the axis of each telescopic screw rod (5) passes through the center of the fixing plate (1).
6. The prism fixture for steel tube arch bridge measurement according to claim 5, wherein:
the fixing plate (1) is square, the number of the brackets (3) is four, the brackets are respectively vertically connected to four side edges of the fixing plate (1), and the number of the telescopic screw rods (5) is four, and the telescopic screw rods are respectively connected to four top points of the fixing plate (1).
7. A prism fixture for steel tube arch bridge survey according to claim 1, wherein:
the measuring piece (4) is a triangular ruler.
8. The prism fixture for steel tube arch bridge measurement according to claim 1, wherein the telescopic screw (5) comprises:
a first support rod (51) connected to the fixed plate (1);
and one end of the second support rod (52) is in threaded fit with one end of the first support rod (51) far away from the fixed plate (1).
9. A prism fixture for steel tube arch bridge measurement according to claim 8, wherein:
one end of the second support rod (52) far away from the first support rod (51) is connected with a conical head (53), and when the center of the steel pipe is positioned, the pointed conical end of the conical head (53) is abutted against the inner wall of the steel pipe.
10. A prism fixture for steel tube arch bridge measurement as in claim 8, wherein:
second bracing piece (52) cover is located first bracing piece (51), first bracing piece (51) cover is equipped with nut (54), and with first bracing piece (51) screw-thread fit, nut (54) be used for when steel pipe center location, with second bracing piece (52) butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220576937.3U CN217007823U (en) | 2022-03-16 | 2022-03-16 | Be used for steel pipe arch bridge measuring prism fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220576937.3U CN217007823U (en) | 2022-03-16 | 2022-03-16 | Be used for steel pipe arch bridge measuring prism fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217007823U true CN217007823U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220576937.3U Active CN217007823U (en) | 2022-03-16 | 2022-03-16 | Be used for steel pipe arch bridge measuring prism fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217007823U (en) |
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2022
- 2022-03-16 CN CN202220576937.3U patent/CN217007823U/en active Active
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