CN210396183U - Positioning tool for center of sleeve - Google Patents
Positioning tool for center of sleeve Download PDFInfo
- Publication number
- CN210396183U CN210396183U CN201920991577.1U CN201920991577U CN210396183U CN 210396183 U CN210396183 U CN 210396183U CN 201920991577 U CN201920991577 U CN 201920991577U CN 210396183 U CN210396183 U CN 210396183U
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- stay bar
- center
- top plate
- sleeve
- inclined rods
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Abstract
The utility model discloses a positioning tool for the circle center of a sleeve, which comprises a top plate (1), a central stay bar (2) and a plurality of inclined bars (3); the upper end of the central stay bar (2) is vertically connected to the center of the bottom of the top plate (1), the upper ends of a plurality of inclined rods (3) are respectively connected to the bottom of the top plate (1), the lower ends of the plurality of inclined rods (3) are respectively connected to the lower part of the central stay bar (2), and the plurality of inclined rods (3) are uniformly distributed around the central stay bar (2); the lower parts of the central stay bar (2) and the plurality of diagonal bars (3) are coaxially inserted into the sleeve. The utility model discloses can combine this layer sleeve pipe centre of a circle position and the laser level appearance quick, accurate location upper strata sheathed tube centre of a circle position, floor sleeve pipe pre-buried accumulative total deviation about avoiding improves construction quality, accomplishes that the sleeve pipe is pre-buried once becomes excellent, and it is more simple and convenient and accurate to operate.
Description
Technical Field
The utility model relates to a building site pipe well sleeve pipe reserves pre-buried supplementary construction tool, especially relates to a positioning tool in sleeve pipe centre of a circle.
Background
In the building construction engineering, pre-buried sleeves need to be reserved at the position of a tower tubular well, at present, when the sleeves on each layer are pre-buried, the position of the circle center of each sleeve is determined in a manual measuring mode through a measuring scale, and due to errors of measuring tools and manual operation, the problem of inaccurate positioning exists at the circle center position of each layer of sleeves, so that the accumulated deviation of the circle center positions of the sleeves on upper and lower floors is gradually increased, and the construction quality of the building engineering is influenced. If the position deviation of the circle center of the sleeve on the floor is large, reworking and hole opening at the later stage can be caused, and the construction cost is increased.
Disclosure of Invention
An object of the utility model is to provide a positioning tool in sleeve pipe centre of a circle, quick, the accurate positioning sleeve's of a circle position of ability, the pre-buried accumulative total deviation of floor sleeve pipe about avoiding improves construction quality, accomplishes that the sleeve pipe is pre-buried once becomes excellent.
The utility model discloses a realize like this:
a positioning tool for the center of a sleeve comprises a top plate, a central support rod and a plurality of inclined rods; the upper end of the central support rod is vertically connected to the center of the bottom of the top plate, the upper ends of the plurality of inclined rods are respectively connected to the bottom of the top plate, the lower ends of the plurality of inclined rods are respectively connected to the lower part of the central support rod, and the plurality of inclined rods are uniformly distributed around the central support rod; the lower parts of the central stay bar and the plurality of diagonal bars are coaxially inserted into the sleeve.
The top undercut of roof be equipped with a plurality of shrinkage pool, and a plurality of shrinkage pool evenly distributed is around the center of roof, the base of laser level appearance is arranged in on the roof through a plurality of shrinkage pool, makes the laser level appearance along sheathed tube axial projection laser.
The plurality of inclined rods are obliquely arranged to form an inverted cone-shaped structure.
The lower ends of the plurality of inclined rods are positioned above the lower end of the central support rod.
The utility model discloses can combine this layer sleeve pipe centre of a circle position and the laser level appearance quick, accurate location upper strata sheathed tube centre of a circle position, floor sleeve pipe pre-buried accumulative total deviation about avoiding improves construction quality, accomplishes that the sleeve pipe is pre-buried once becomes excellent, and it is more simple and convenient and accurate to operate.
Drawings
FIG. 1 is a perspective view of the positioning tool for the center of a casing according to the present invention;
fig. 2 is a top view of the positioning tool for the center of the casing of the present invention.
In the figure, 1 is a top plate, 11 is a concave hole, 2 is a central support rod, and 3 is an inclined rod.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1, a positioning tool for the center of a casing comprises a top plate 1, a central support rod 2 and a plurality of inclined rods 3; the upper end of a central stay bar 2 is vertically connected to the center of the bottom of a top plate 1, the upper ends of a plurality of inclined bars 3 are respectively connected to the bottom of the top plate 1, the lower ends of the plurality of inclined bars 3 are respectively connected to the lower part of the central stay bar 2, and the plurality of inclined bars 3 are uniformly distributed around the central stay bar 2; the lower parts of the central stay bar 2 and the plurality of diagonal bars 3 are coaxially inserted into the sleeve.
Referring to fig. 2, the top of the top plate 1 is recessed downwards to form a plurality of concave holes 11, the concave holes 11 are uniformly distributed around the center of the top plate 1, the base of the laser level is placed on the top plate 1 through the concave holes 11, so that the laser level is stably placed, and the laser projected by the laser level is located in the axial direction of the sleeve and the central support rod 2.
The inclined rods 3 are arranged in an inclined mode to form an inverted conical structure, so that the lower portions of the inclined rods 3 and the central support rod 2 can be coaxially inserted into the casing pipe and block the casing pipe wall, and the casing pipe can adapt to casing pipes with different pipe diameters.
The lower ends of the plurality of inclined rods 3 are positioned above the lower end of the central support rod 2.
Preferably, the top plate 1 can be a circular steel plate with the diameter of 230mm and the thickness of 4mm, and three concave holes 11 are uniformly distributed around the center of the top surface of the top plate 1 at intervals of 120 degrees; the central stay bar 2 can be a steel pipe with the diameter of 20mm and the length of 18cm, and the central stay bar 2 is fixed on the top plate 1 through bolts, nuts, welding and other modes; the diagonal rods 3 can be four round steel rods with the diameter of 10mm and the length of 19cm, and the number of the diagonal rods 3 can be adjusted according to the pipe diameter of the sleeve, so that the diagonal rods are uniformly distributed around the central support rod 2 below the top plate 1. The upper ends of four diagonal rods 3 are connected to the bottom surface quartering edge of the top plate 1, the lower ends of the diagonal rods 3 are fixed on the central support rod 2 and are 3cm away from the lower end of the central support rod 2, and the four diagonal rods 3 are uniformly distributed around the central support rod 2 at intervals of 90 degrees. The inclination angle of the diagonal rod 3 can be controlled by adjusting the connecting position of the upper end of the diagonal rod 3 and the top plate 1 and the connecting position of the lower end of the diagonal rod 3 and the central support rod 2, so that the adjustable inclined angle adjusting device is suitable for sleeves with different pipe diameters.
When the tool is used, the lower parts of the central support rod 2 and the four inclined rods 3 are inserted into a sleeve, so that the whole tool naturally droops and the sleeve wall is clamped by the four inclined rods 3 distributed in an inverted cone shape, and the coaxiality of the central support rod 2 and the sleeve and the levelness of the top plate 1 can be maintained by the four inclined rods 3 which are uniformly distributed. The three corners of the triangular base of the laser level are matched and clamped in the three concave holes 11, so that the laser level is stably arranged on the top plate 1, laser is upwards projected along the axial direction of the central support rod 2 and the sleeve, and the position of the laser projected on the upper floor slab is the circle center position of the upper layer of the sleeve.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (4)
1. A positioning tool for the center of a sleeve is characterized in that: comprises a top plate (1), a central stay bar (2) and a plurality of diagonal bars (3); the upper end of the central stay bar (2) is vertically connected to the center of the bottom of the top plate (1), the upper ends of a plurality of inclined rods (3) are respectively connected to the bottom of the top plate (1), the lower ends of the plurality of inclined rods (3) are respectively connected to the lower part of the central stay bar (2), and the plurality of inclined rods (3) are uniformly distributed around the central stay bar (2); the lower parts of the central stay bar (2) and the plurality of diagonal bars (3) are coaxially inserted into the sleeve.
2. The tool for locating the center of a casing pipe as claimed in claim 1, wherein: the top undercut of roof (1) be equipped with a plurality of shrinkage pool (11), and a plurality of shrinkage pool (11) evenly distributed is around the center of roof (1), the base of laser level appearance is arranged roof (1) in through a plurality of shrinkage pool (11), makes the laser level appearance along sheathed tube axial projection laser.
3. The tool for locating the center of a casing pipe as claimed in claim 1, wherein: the plurality of inclined rods (3) are obliquely arranged to form an inverted cone structure.
4. The tool for locating the center of a casing pipe as claimed in claim 1, wherein: the lower ends of the plurality of inclined rods (3) are positioned above the lower end of the central support rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991577.1U CN210396183U (en) | 2019-06-27 | 2019-06-27 | Positioning tool for center of sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991577.1U CN210396183U (en) | 2019-06-27 | 2019-06-27 | Positioning tool for center of sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210396183U true CN210396183U (en) | 2020-04-24 |
Family
ID=70351400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920991577.1U Active CN210396183U (en) | 2019-06-27 | 2019-06-27 | Positioning tool for center of sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210396183U (en) |
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2019
- 2019-06-27 CN CN201920991577.1U patent/CN210396183U/en active Active
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