Deviation measuring device for reserved hole of floor

Abstract

The utility model relates to the field of building construction, and discloses a floor reserved hole deviation measuring device, which comprises a base, a measurement reading plate and a laser line scanning instrument, wherein the bottoms of the base and the measurement reading plate are positioned and mounted in a reserved hole in an embedded manner; a longitudinal laser positioning marking line and a transverse laser positioning marking line are arranged on the upper surface of the base, and the intersection of the longitudinal laser positioning marking line and the transverse laser positioning marking line is located in the center of the base and coincides with the central axis of the reserved hole; the measurement reading plate is provided with a deviation coordinate system, and the original point of the deviation coordinate system is located at the dead center of the measurement reading plate and coincides with the central axis of the reserved hole. According to the utility model, the deviation value of the upper floor slab and the lower floor slab is measured by using the coordinate of the intersection point formed by the two laser beams emitted by the two adjacent surfaces of the laser line scanning instrument on the measurement reading plate on the deviation coordinate system, so that the measurement of the deviation value of each floor slab reserved hole is realized, and errors can be conveniently counted and allocated to all reserved holes; and the bridge frame can be conveniently guided to be installed.

Description

Technical Field

[0001] This utility model relates to the field of building construction, and in particular to a device for measuring the deviation of reserved holes in floor slabs. Background Technology

[0002] In building electrical shafts, vertical cable trays are laid through pre-drilled holes in the floor slabs. Currently, these holes are created by pre-drilling foam blocks or wooden boxes on the formwork. However, due to construction errors, the holes deviate significantly from each other and cannot be perfectly aligned. The only solution is to pre-drill larger holes and adjust them on-site during cable tray installation. However, on-site installation and adjustment lack overall control, which easily leads to concentrated errors. Once the error exceeds the adjustment range, the cable trays must be deformed, resulting in poor local quality.

[0003] Based on this, this application provides a floor slab reserved hole deviation measuring device, which can measure the hole deviation of each floor, and perform statistical analysis based on the deviation until the installation of the cable tray, so as to avoid the concentrated error affecting the installation. Utility Model Content

[0004] This utility model aims to solve the technical problems existing in the prior art. To this end, this utility model provides a device for measuring the deviation of reserved holes in floor slabs, which can measure the deviation of holes in each floor, and use the deviation to statistically guide the installation of cable trays, avoiding the impact of concentrated errors on installation.

[0005] The technical solution adopted by this utility model to solve its technical problem is:

[0006] A deviation measuring device for reserved holes in floor slabs is provided, comprising a base embedded and positioned within the reserved holes, a measuring reading plate, and a laser scanning instrument located at the center of the base; the upper surface of the base is provided with longitudinal laser positioning lines and transverse laser positioning lines, the intersection of which is located at the center of the base and coincides with the central axis of the reserved holes; the measuring reading plate is provided with a deviation coordinate system, the origin of which is located at the center of the measuring reading plate and coincides with the central axis of the reserved holes.

[0007] In some optional embodiments, the bottom periphery of the base and / or the measuring reading plate is provided with a positioning groove or a positioning frame that matches the reserved hole, for embedding and positioning the base or measuring reading plate in the reserved hole.

[0008] In some alternative implementations, the measuring plate is made of a transparent material and has a handle on top.

[0009] In some optional embodiments, the base is further provided with a positioning recess for positioning the support feet of the laser line scanner to ensure that the laser line scanner is located in the center of the base.

[0010] In some alternative embodiments, the base is further surrounded by a perimeter plate, with longitudinal and transverse laser positioning lines extending to the inner surface of the perimeter plate.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This invention uses a base to place a laser line scanner at the center of a pre-reserved hole in the first floor slab, and a measuring reading plate to place in a pre-reserved hole in the next floor slab. By using the coordinates of the intersection point formed by the two laser beams emitted from adjacent sides of the laser line scanner on the measuring reading plate in the deviation coordinate system, the deviation of the pre-reserved holes in the upper and lower floor slabs is determined. This method enables the determination of the deviation of the pre-reserved holes in each floor slab, facilitates the statistical analysis and distribution of errors to all pre-reserved holes, and makes it easier to guide the installation of cable trays. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:

[0014] Figure 1 This is an installation structure diagram of the floor slab reserved hole deviation measuring device provided by this utility model;

[0015] Figure 2 yes Figure 1 Top view of the provided base during installation;

[0016] Figure 3 yes Figure 1 The provided installation bottom view of the measurement reading plate.

[0017] The attached diagram lists the components represented by each number as follows:

[0018] 1—Base; 1.1—Longitudinal laser positioning mark; 1.2—Transverse laser positioning mark; 1.3—Positioning recess; 2—Laser line scanner; 2.1—Laser line projection; 3—Measuring reading plate; 3.1

[0019] — Deviation coordinate system, 3.2 — Handle, 4 — Enclosure, 10 — Reserved hole, a — Positioning groove, b — Positioning card frame. Detailed Implementation

[0020] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0023] Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0024] Example 1

[0025] As attached Figure 1 To be continued Figure 3As shown, this embodiment provides a device for measuring the deviation of reserved holes in floor slabs, including a base 1, a laser line scanner 2, and a measuring reading plate 3. The bottoms of both the base 1 and the measuring reading plate 2 can be embedded and positioned within the reserved holes 10. Generally, the base is positioned and installed in the reserved holes on the first floor slab, while the measuring reading plate is installed in the reserved holes on the second floor and above. The measuring reading plate 3 is provided with a deviation coordinate system 3.1, the origin O of which is located at the exact center of the measuring reading plate 3 and coincides with the central axis of the reserved hole, ensuring that the deviation coordinate system is located at the exact center of the reserved hole. The laser line scanner 2 is installed at the center of the base 1, ensuring that the laser line scanner is located at the center of the reserved hole. It is used to emit laser lines 2.1. In this embodiment, a 2-line laser line scanner or a 5-line laser line scanner can be used. The deviation of the reserved hole in the upper and lower floor slabs can be determined by measuring the coordinates of the intersection point formed by two laser lines emitted from two adjacent sides of the laser line scanner 2 on the measuring reading plate 3 in the deviation coordinate system 3.1. Alternatively, the deviation of the reserved hole in the upper and lower floor slabs can be determined by measuring the coordinates of the intersection point formed by four laser lines emitted from four sides of the laser line scanner on the measuring reading plate in the deviation coordinate system.

[0026] Preferred options are listed below. Figure 2 As shown, the upper surface of the base 1 in this embodiment is provided with a longitudinal laser positioning mark 1.1 and a transverse laser positioning mark 1.2. The intersection of the longitudinal laser positioning mark 1.1 and the transverse laser positioning mark 1.2 is located at the center of the base 1 and coincides with the central axis of the reserved hole 10. On the one hand, it can guide the installation position of the laser line scanner 2, and on the other hand, it is convenient to adjust the two laser beams emitted by the laser line scanner to coincide with the longitudinal laser positioning mark and the transverse laser positioning mark respectively, so as to ensure the measurement accuracy.

[0027] Preferred options are listed below. Figure 1 As shown, in this embodiment, the base 1 and / or the measuring reading plate 3 have a positioning groove a or a positioning frame b that matches the reserved hole 10 on their bottom periphery, for embedding and positioning the base 1 or the measuring reading plate 3 into the reserved hole 10. This positioning and installation method in this embodiment ensures that the laser line scanner and the deviation coordinate system are located at the exact center of the corresponding reserved hole.

[0028] Preferred options are listed below. Figure 1 As shown, the measuring reading plate 3 in this embodiment is made of transparent material, which makes it easy to see the deviation through the floor slab. The top of the measuring reading plate is also provided with a handle 3.2, which makes it easy to take it out from the reserved hole.

[0029] The determination method is as follows:

[0030] 1. Install the base on the pre-drilled hole at the bottom, and then place the laser projector in the center of the base;

[0031] 2. Turn on the laser line projector and align the laser line with the positioning mark on the base;

[0032] 3. Place a measuring reading plate on the upper pre-controlled hole, determine the error based on the coordinates of the intersection point of the laser projection instrument formed on the measuring reading plate in the deviation coordinate system, and record it;

[0033] 4. Measure the error of all openings using the above method, distribute the error to all openings using BIM technology, generate an installation table, and guide the installation of the cable tray.

[0034] Example 2

[0035] Based on Example 1, as shown in the appendix Figure 1 As shown, in this embodiment, a positioning recess 1.3 is also provided on the base 1 to position the support feet of the laser line scanner 2, ensuring that the laser line scanner is located in the center of the base.

[0036] Example 3

[0037] Based on Example 1 or Example 2, as shown in the appendix Figure 1 As shown, in this embodiment, a surrounding plate 4 is also provided around the base 1, and the longitudinal laser positioning mark 1.1 and the transverse laser positioning mark 1.2 extend to the inner surface of the surrounding plate 4. The surrounding plate in this embodiment facilitates observation of whether the laser beam coincides with the laser positioning mark on the surrounding plate. The difference from Embodiment 1 is that the object to be observed can be transferred to the surrounding plate, making observation easier.

[0038] It is worth noting that this embodiment is not limited to the installation of cable trays; other installations, such as pipes passing through pre-drilled holes, are also applicable to this application.

[0039] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made using the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A device for measuring the deviation of reserved holes in floor slabs, characterized in that: It includes a base with its bottom embedded and positioned in a reserved hole, a measuring and reading plate, and a laser line scanner located in the center of the base; The upper surface of the base is provided with longitudinal laser positioning lines and transverse laser positioning lines. The intersection of the longitudinal laser positioning lines and transverse laser positioning lines is located at the center of the base and coincides with the central axis of the reserved hole. The measuring reading plate is provided with a deviation coordinate system, the origin of which is located at the exact center of the measuring reading plate and coincides with the central axis of the reserved hole.

2. The floor slab reserved hole deviation measuring device according to claim 1, characterized in that: The base and / or the measuring reading plate have a positioning groove or a positioning frame that matches the reserved hole on the bottom periphery, which is used to embed and position the base or the measuring reading plate in the reserved hole.

3. The floor slab reserved hole deviation measuring device according to claim 1, characterized in that: The measuring reading plate is made of transparent material and has a handle on top.

4. The floor slab reserved hole deviation measuring device according to claim 1, characterized in that: The base is also provided with a positioning recess for positioning the support feet of the laser line scanner to ensure that the laser line scanner is located in the center of the base.

5. The floor slab reserved hole deviation measuring device according to any one of claims 1 to 4, characterized in that: The base is also surrounded by a panel, with longitudinal and transverse laser positioning lines extending to the inner surface of the panel.

Images