Rapid positioning device for top of constructional column
By using the positioning frame and lifting assembly of the rapid positioning device at the top of the structural column, the accuracy and efficiency problems of existing laser positioning instruments when adjusting the position of the laser emitter are solved, and rapid and accurate positioning of rebar for multi-size structural columns is achieved.
Patent Information
- Application Number
- CN202422971758.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing laser positioning devices require manual adjustment or replacement of the positioning frame when adjusting the position of the laser emitter, resulting in inaccurate positioning and long time consumption, making it difficult to meet the rebar installation requirements of structural columns of different sizes.
A rapid positioning device for the top of a structural column was designed, including a positioning frame and a lifting assembly. The position of the laser emitter is adjusted by lifting blocks and inclined plates, and the support leg assembly ensures the synchronization and accuracy of the laser emitter's position when the positioning frame moves along the horizontal column.
It enables rapid and precise adjustment of the laser emitter position, is suitable for rebar installation in structural columns of various sizes, reduces positioning errors, and improves construction efficiency.
Smart Images

Figure CN223510635U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of constructional column construction, and particularly relates to a quick positioning device for the top of a constructional column. BACKGROUND
[0002] The constructional column is usually planted with a reinforcing bar in a post-planting bar mode. The reinforcing bar position on the floor surface can be determined by a elastic line, and the reinforcing bar position at the bottom of the floor top can be positioned by a laser positioning instrument according to the reinforcing bar position on the floor surface.
[0003] The existing laser positioning instrument for positioning the reinforcing bar position has the following problems in the use process:
[0004] The laser emitter in the laser positioning instrument is mostly fixed by bolts, and its position is inconvenient to adjust. Different constructional columns have different sizes, and the intervals between adjacent reinforcing bars are different when the reinforcing bars are planted. Therefore, when the reinforcing bars of different sizes are positioned, the following two methods are usually used. The first method is to replace the positioning racks of different sizes, and this method needs to be equipped with positioning racks of different sizes. The second method is to manually adjust the position of the laser emitter one by one. The position of the laser emitter needs to be adjusted one by one, and the required time is long. In addition, the distance between the laser emitters is prone to deviation during manual adjustment, which causes deviation of the reinforcing bar position. Therefore, the quick positioning device for the top of a constructional column is proposed. SUMMARY
[0005] The utility model aims at providing a quick positioning device for the top of a constructional column to solve the problems in the background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme, a quick positioning device for the top of a constructional column, including the positioning rack, the positioning rack is located on the upper side of the cross column, and the positioning rack is connected with the support leg assembly;
[0007] Four positioning plates distributed in a circumferential array are installed on the positioning rack, an installation groove is arranged in the positioning plate, an adjusting plate is installed in the installation groove through a rotating shaft, a laser emitter is installed at the tail end of the adjusting plate, the laser emitter is installed on a mounting bracket, the mounting bracket is rotationally connected with the adjusting plate through a connecting shaft, and a counterweight is arranged at the bottom of the mounting bracket;
[0008] The adjusting plate is connected with a lifting block through an inclined plate, and a lifting assembly for driving the lifting block to move up and down is connected.
[0009] Preferably, the leg assembly includes three support plates, a conical part is arranged at the bottom of the support plate, two support plates are arranged on one side of the cross column, and the other support plate is arranged on the other side of the cross column.
[0010] Preferably, the two support plates arranged on the same side are respectively inserted into two adjusting holes symmetrically distributed with the center line of the positioning frame, the support plates can slide along the adjusting holes, the support plate top is screwed into a support plate fastening bolt, and the support plate fastening bolt is located on the upper side of the adjusting hole.
[0011] Preferably, two first guide frames are respectively inserted into the two support plates connected with the two adjusting holes, and the two first guide frames are respectively connected with the two guide pipes.
[0012] Preferably, the second guide frame is connected with two guide rods, the two guide rods are respectively inserted into the two guide pipes, and a plurality of first positioning holes and second positioning holes are respectively arranged in the guide rods and the guide pipes at equal intervals, and a leg fastening bolt is screwed into the position of the guide rod and the guide pipe.
[0013] Preferably, the lifting assembly comprises an adjusting screw, the adjusting screw is connected with the lifting block through threads, and the adjusting screw top is connected with the mounting sleeve through a bearing.
[0014] Preferably, the top end of the positioning plate is inserted into the top block through a plate, the top block upper side is provided with a locking plate, the locking plate upper end is provided with four insertion rods matched with the four positioning plates respectively, a positioning plate fastening bolt is screwed into the locking plate, and the positioning plate fastening bolt is inserted into the mounting sleeve.
[0015] Compared with the prior art, the present application has the advantages of:
[0016] First, the laser emitter in the present application is arranged on the adjusting plate, the height of the lifting block is adjusted through the lifting assembly, the adjusting plate is pulled to rotate upward or downward around the rotating shaft through the inclined plate during the movement of the lifting block, the distance between the lifting block and the laser emitter changes during the rotation of the adjusting plate, so that the position of the laser emitter can be adjusted according to the size of the structural column, after the position is adjusted, the laser emitted by the laser emitter is displayed on the corresponding wall, and the light spot on the wall is the hole position when the structural column is planted with a reinforcing bar, so that the positioning work of the hole position when the structural column is planted with a reinforcing bar can be adapted to various sizes, and the positions of the four laser emitters can be changed at the same time by rotating the adjusting screw, the distance changes of the four laser emitters are the same during the changing process, the distance between the adjacent two is kept synchronous, the adjusted position has high precision, and the adjustment is convenient.
[0017] The utility model discloses a support leg assembly is arranged inside, can pass through the interval between the support plate on the both sides of horizontal column, thereby can be pasted with the both sides of horizontal column, so that the positioning frame is in the process of moving along horizontal column, and the support leg fastening bolt is always located at the middle position of horizontal column, so that the position of positioning frame is moved along horizontal column, and the size of four light spot centers formed by four laser emitters in single direction is determined, and the size required to be confirmed when positioning later is reduced, and it is convenient to reduce the numerical value of calibration when the hole position is calibrated later, and the determination of the whole positioning frame position is simpler. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the structure schematic diagram of the quick positioning device for the top of construction column.
[0019] Figure 2 It is the structure schematic diagram of the quick positioning device for the top of construction column.
[0020] Figure 3 It is the structure schematic diagram of the quick positioning device for the top of construction column.
[0021] Figure 4 It is the structure schematic diagram of the quick positioning device for the top of construction column.
[0022] In the drawing: 1, horizontal column; 2, positioning frame; 201, adjusting hole; 3, support leg assembly; 301, support plate; 302, support plate fastening bolt; 303, first guide frame; 304, guide pipe; 305, second guide frame; 306, guide rod; 307, support leg fastening bolt; 4, positioning plate; 401, mounting groove; 402, adjusting plate; 403, laser emitter; 404, counterweight; 405, inclined plate; 406, lifting block; 407, adjusting screw rod; 408, plug-in plate; 409, top block; 410, plug-in rod; 411, positioning plate fastening bolt. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0024] REFERENCE Figures 1-4 A kind of quick positioning device for the top of construction column, including positioning frame 2, positioning frame 2 is located on the upper side of horizontal column 1, it needs to be explained that positioning frame 2 is connected support support leg assembly 3, positioning frame 2 is supported on ground by support leg assembly 3, support leg assembly 3 can let positioning frame 2 be even on distribution in the upper side of horizontal column 1.
[0025] Specifically, the support leg assembly 3 comprises three support plates 301, the bottom of the support plate 301 is provided with a tapered portion, which is in contact with the ground, and the outer surface is smooth, which supports the positioning frame 2 and does not easily scratch other components. Two support plates 301 are located on one side of the horizontal column 1, and the other support plate 301 is located on the other side of the horizontal column 1.
[0026] More specifically, the two support plates 301 located on the same side are inserted into two adjustment holes 201 symmetrically distributed with the center line of the positioning frame 2, the support plate 301 can slide along the adjustment hole 201, and the support plate fastening bolt 302 is screwed into the top of the support plate 301, the support plate fastening bolt 302 is located on the upper side of the adjustment hole 201, and the support plate 301 and the support plate fastening bolt 302 are located on the upper and lower sides of the positioning frame 2 respectively, and the above two can slide along the adjustment hole 201, so that the support plate 301 is attached to the side surface of the horizontal column 1. When the positioning frame 2 moves along the horizontal column 1, the front and rear positions of the positioning frame 2 do not change, that is, when the support plate 301 is inserted on both sides of the horizontal column 1, the positioning frame 2 moves along the horizontal column 1, and the front and rear positions of the middle point of the four holes required for the positioning and installation of the top structure column do not move relatively. After the above dimensions are determined, the calibration of other dimensions is more convenient.
[0027] It should be noted that two first guide frames 303 are respectively inserted into the two support plates 301 connected with the two adjustment holes 201, the two first guide frames 303 are respectively connected with two guide pipes 304, the other support plate 301 is inserted into a second guide frame 305, the second guide frame 305 is connected with two guide rods 306, and the two guide rods 306 are respectively inserted into the two guide pipes 304. A plurality of first positioning holes and second positioning holes are respectively arranged in the guide rod 306 and the guide pipe 304, and a support leg fastening bolt 307 is screwed into the position where the guide rod 306 and the guide pipe 304 are inserted, and the support leg fastening bolt 307 is located at the middle position of the horizontal column 1, that is, the middle surface of the horizontal column 1 in the front and rear directions.
[0028] The distance between the support plates 301 on the two side surfaces of the horizontal column 1 can be adjusted, so that they can be attached to the two side surfaces of the horizontal column 1. In this way, during the movement of the positioning frame 2 along the horizontal column 1, the support leg fastening bolt 307 is always located at the middle position of the horizontal column 1, and the center point of the square formed by the four laser emitters 403 on the positioning frame 2 is also always located at the middle position of the horizontal column 1. In this way, the position of the positioning frame 2 is moved along the horizontal column 1, and the size of the four light point centers formed by the four laser emitters 403 in a single direction is determined, and the size required to be confirmed during subsequent positioning is reduced, which facilitates the confirmation of subsequent hole positions.
[0029] Further embodiments, the positioning frame 2 is installed with four circumferential array distribution positioning plate 4, the positioning plate 4 is provided with mounting groove 401, the mounting groove 401 is installed with adjusting plate 402 through the rotating shaft, the adjusting plate 402 end is installed with laser emitter 403, it needs to be explained that the laser emitter 403 is installed on the mounting bracket, the mounting bracket is rotatably connected with the adjusting plate 402 through the connecting shaft, and the bottom of the mounting bracket is provided with a counterweight 404, so that the mounting bracket forms a similar tumbler structure, even if the angle of the adjusting plate 402 changes, under the action of gravity of the counterweight 404, the mounting bracket is still vertically distributed, and the laser emitter 403 in the mounting bracket is always vertically upward.
[0030] It needs to be supplemented that the adjusting plate 402 is connected with the lifting block 406 through the inclined plate 405, the midpoint of the lifting block 406 coincides with the center line surrounded when the plurality of positioning plates 4 are circumferentially arrayed, the lifting block 406 is connected with the lifting assembly for driving it to move up and down, specifically, the lifting assembly comprises an adjusting screw 407, the adjusting screw 407 is connected with the lifting block 406 through threads, the top of the adjusting screw 407 is connected with the mounting sleeve through a bearing, it needs to be explained that the top end of the positioning plate 4 is inserted with the top block 409 through the plug-in plate 408, the top block 409 is installed with a locking plate on the upper side, the locking plate is installed with four plug rods 410 matched with the plug-in plate 408 in the four positioning plates 4, the locking plate is screwed into the positioning plate fastening bolt 411, and the positioning plate fastening bolt 411 is inserted into the mounting sleeve.
[0031] The adjusting screw 407 in the lifting assembly rotates in the positive and negative directions, which can drive the lifting block 406 to move up and down, and then pull the adjusting plate 402 to rotate upward or downward around the rotating shaft through the inclined plate 405, so as to change the position of the laser emitter 403.
[0032] The top block 409 and the four positioning plates 4 are assembled together through the plug-in mode, and are further locked by the locking plate, the plug rod 410 and the positioning plate fastening bolt 411, so that the assembly of the positioning plate 4 and the top block 409 is convenient and stable.
[0033] The height of the lifting block 406 is adjusted by the lifting assembly, and the lifting block 406 moves to pull the adjusting plate 402 to rotate upward or downward around the rotating shaft through the inclined plate 405 in the process, and the distance between the lifting block 406 and the laser emitter 403 changes in the process of rotating the adjusting plate 402, so that the position of the laser emitter 403 can be adjusted according to the size of the construction column, and the alignment work of the hole position of the construction column can be adapted to various sizes.
[0034] Working principle:
[0035] The positioning frame 2 is inserted into the outside of the horizontal column 1, and the leg assembly 3 on the lower side of the positioning frame 2 is in contact with the ground, so that the positioning frame 2 is placed horizontally on the ground.
[0036] The height of the lifting block 406 is adjusted by the lifting assembly, and the lifting block 406 pulls the adjusting plate 402 to rotate upwards or downwards around the rotating shaft in the process of moving through the inclined plate 405, the distance between the lifting block 406 and the laser emitter 403 changes in the process of rotating the adjusting plate 402, so the position of the laser emitter 403 can be adjusted according to the size of the construction column, after the position is adjusted, the laser emitted by the laser emitter 403 is displayed on the corresponding wall, and the light spot on the wall is the hole position when the construction column is planted with a reinforcing bar, so the positioning work of the hole position when the construction column is planted with a reinforcing bar of various sizes can be adapted.
[0037] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A quick positioning device for the top of a structural column, comprising a positioning frame (2), characterized in that, The positioning frame (2) is located on the upper side of the cross column (1), and the positioning frame (2) is connected to the support leg assembly (3); The positioning frame (2) is equipped with four positioning plates (4) arranged in a circular array. The positioning plates (4) are provided with mounting grooves (401). An adjusting plate (402) is installed in the mounting grooves (401) through a rotating shaft. A laser emitter (403) is installed at the end of the adjusting plate (402). The laser emitter (403) is installed on the mounting frame. The mounting frame and the adjusting plate (402) are rotatably connected through a connecting shaft. A counterweight (404) is provided at the bottom of the mounting frame. The adjusting plate (402) is connected to the lifting block (406) via the inclined plate (405), and the lifting block (406) is connected to the lifting assembly used to drive it to move up and down.
2. The quick positioning device for the top of a structural column according to claim 1, characterized in that, The outrigger assembly (3) includes three support plates (301), each with a tapered portion at its bottom. Two of the support plates (301) are located on one side of the crossbar (1), and the other support plate (301) is located on the other side of the crossbar (1).
3. The rapid positioning device for the top of a structural column according to claim 2, characterized in that, The two support plates (301) set on the same side are respectively inserted into two adjustment holes (201) symmetrically distributed with the center line of the positioning frame (2). The support plates (301) can slide along the adjustment holes (201). The top of the support plate (301) is screwed with a support plate fastening bolt (302), which is located on the upper side of the adjustment hole (201).
4. The quick positioning device for the top of a structural column according to claim 3, characterized in that, Two first guide frames (303) are inserted into the two support plates (301) connected to the two adjustment holes (201), and the two first guide frames (303) are connected to the two guide tubes (304) respectively. Another support plate (301) is inserted into the second guide frame (305).
5. A quick positioning device for the top of a structural column according to claim 4, characterized in that, The second guide frame (305) is connected to two guide rods (306). The two guide rods (306) are inserted into the two guide tubes (304) respectively. The guide rods (306) and the guide tubes (304) are respectively provided with a number of equally spaced first positioning holes and second positioning holes. The guide rods (306) and the guide tubes (304) are screwed into the positions where they are inserted. The support leg fastening bolts (307) are screwed in.
6. A quick positioning device for the top of a structural column according to claim 1, characterized in that, The lifting assembly includes an adjusting screw (407), which is connected to the lifting block (406) by a thread, and the top of the adjusting screw (407) is connected to the mounting sleeve by a bearing.
7. A quick positioning device for the top of a structural column according to claim 6, characterized in that, The top of the positioning plate (4) is connected to the top block (409) via a insert plate (408). A locking plate is installed on the upper side of the top block (409). Four insert rods (410) are installed on the upper end of the locking plate, which are matched one by one with the insert plates (408) in the four positioning plates (4). Positioning plate fastening bolts (411) are screwed into the locking plate and inserted into the mounting sleeve.