CN213572404U - Pre-buried positioner of prefabricated stair connecting bolt - Google Patents
Pre-buried positioner of prefabricated stair connecting bolt Download PDFInfo
- Publication number
- CN213572404U CN213572404U CN202021767587.6U CN202021767587U CN213572404U CN 213572404 U CN213572404 U CN 213572404U CN 202021767587 U CN202021767587 U CN 202021767587U CN 213572404 U CN213572404 U CN 213572404U
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- connecting bolt
- prefabricated
- fixing device
- nut
- prefabricated stair
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- 238000003466 welding Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000010276 construction Methods 0.000 abstract description 15
- 238000009434 installation Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model provides a pre-buried positioner of prefabricated stair connecting bolt, including prefabricated stair connecting bolt, ladder roof beam template, fixing device and stop device, fixing device installs on ladder roof beam template through prefabricated stair connecting bolt, and the locating hole that ladder roof beam template was passed to prefabricated stair connecting bolt's bottom inserts in the ladder roof beam template, thereby stop device installs at fixing device's both ends, props to both ends template side through the stop device and carries on spacingly to fixing device's left and right directions. By arranging the prefabricated staircase connecting bolt pre-embedding positioning device, the pre-embedding precision of bolts can be effectively guaranteed, and the problem that the construction period is influenced due to the difficulty in mounting the prefabricated staircase caused by later-stage bolt deviation is avoided; compared with a mode of welding by using positioning ribs, the device is simple and convenient to operate, and the construction efficiency is obviously improved.
Description
Technical Field
The utility model relates to a prefabricated stair construction technical field specifically is a pre-buried positioner of prefabricated stair connecting bolt.
Background
The prefabricated staircase leads to long and adopts the hinge to connect in assembly type building engineering, and one end is fixed bearing promptly, and the other end is sliding support, need pre-buried prefabricated staircase connecting bolt in ladder beam position according to its design requirement, and prefabricated staircase connecting bolt should align with prefabricated staircase preformed hole central line when the installation, consequently has higher to the pre-buried positioning accuracy requirement of prefabricated staircase connecting bolt. The embedded deviation of the connecting bolts of the prefabricated staircase is caused on site due to improper embedding mode or untight reinforcement, so that the bolts are difficult to adjust during installation and installation of the prefabricated staircase at the later stage, and the installation efficiency is influenced; especially when pre-buried deviation is great, on-the-spot can normally be installed in order to ensure prefabricated staircase, will reserve the phenomenon of bolt excision and take place occasionally to influence structural safety.
At present, the prefabricated staircase connecting bolts are fixed on the reinforcing steel bars at the bottom of the beam by welding the positioning reinforcing steel bars on the construction site, the mode is time-consuming and labor-consuming, the construction efficiency is low, the pre-embedding precision is difficult to guarantee, and the deviation is easy to cause particularly during concrete pouring and vibrating, so that the normal installation of the prefabricated staircase is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pre-buried positioner of prefabricated stair connecting bolt can effectively ensure the pre-buried precision of prefabricated stair connecting bolt, can show simultaneously and improve the efficiency of construction.
The technical scheme of the utility model:
the utility model provides a pre-buried positioner of prefabricated stair connecting bolt, includes prefabricated stair connecting bolt, terraced roof beam template, fixing device and stop device, fixing device installs on terraced roof beam template through prefabricated stair connecting bolt, and prefabricated stair connecting bolt's bottom is passed the locating hole on the terraced roof beam template and is inserted in the terraced roof beam template, stop device installs at fixing device's both ends, thereby props to both ends template side through the stop device and carries on spacingly to fixing device's left and right directions.
Fixing device includes the angle steel, sets up the preformed hole that makes things convenient for prefabricated stair connecting bolt to pass on the angle steel, and the cover has upper portion fixation nut and lower part adjusting nut on prefabricated stair connecting bolt, and upper portion fixation nut sets up in the top of preformed hole, and lower part adjusting nut sets up in the below of preformed hole, and upper portion fixation nut and lower part adjusting nut cooperation are with prefabricated stair connecting bolt fixed mounting in the preformed hole of seting up on the angle steel.
Stop device includes adjusting screw, square nut, internal thread hole, connecting rod and support base, the connecting rod welding is at the angle steel both ends, and square nut welds at the both ends of connecting rod, has seted up the internal thread hole on square nut, thereby adjusting screw passes the internal thread hole and installs on square nut, thereby adjusting screw tip welding has the support base, makes the support base shore on the template at both ends through screwing up adjusting screw.
Compared with the prior art, the beneficial effects of the utility model are that:
by arranging the prefabricated staircase connecting bolt pre-embedding positioning device, the pre-embedding precision of the prefabricated staircase connecting bolt can be effectively guaranteed, and the problem that the construction period is influenced due to the difficulty in mounting the prefabricated staircase caused by later-stage bolt deviation is avoided; compared with a mode of welding by using positioning ribs, the device is simple and convenient to operate, and the construction efficiency is obviously improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the connection between the fixing device and the limiting device of the present invention.
Fig. 3 is a schematic structural diagram of the fixing device of the present invention.
Fig. 4 is a schematic structural view of the limiting device of the present invention.
The numbers in the figures respectively represent 1-prefabricated staircase connecting bolts; 2-a ladder beam template; 3-a fixing device; 301-upper fixing nut; 302-lower adjusting nut; 303-preparing a hole; 304-angle steel; 4-a limiting device; 401-adjusting the screw; 402-square nut; 403-an internally threaded hole; 404-a connecting rod; 405-a support base.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a pre-buried positioner of prefabricated stair connecting bolt, including prefabricated stair connecting bolt 1, ladder beam template 2, fixing device 3 and stop device 4, fixing device 3 installs on ladder beam template 2 through prefabricated stair connecting bolt 1, and the bottom of prefabricated stair connecting bolt 1 passes the locating hole on ladder beam template 2 and inserts in ladder beam template 2, stop device 4 installs the both ends at fixing device 3, thereby supports to both ends template side through stop device 4 shore and carries out spacingly to fixing device 3's left and right directions.
As shown in fig. 3, fixing device 3 includes angle steel 304, sets up the preformed hole 303 that makes things convenient for prefabricated staircase connecting bolt 1 to pass on angle steel 304, and the cover has upper portion fixing nut 301 and lower part adjusting nut 302 on prefabricated staircase connecting bolt 1, and upper portion fixing nut 301 sets up the top at preformed hole 303, and lower part adjusting nut 302 sets up the below at preformed hole 303, and upper portion fixing nut 301 cooperates with lower part adjusting nut 302 and installs prefabricated staircase connecting bolt 1 fixed mounting in the preformed hole 303 of seting up on angle steel 304.
As shown in fig. 4, the limiting device 4 includes an adjusting screw 401, a square nut 402, an internal thread hole 403, a connecting rod 404 and a supporting base 405, the connecting rod 404 is welded at two ends of the angle iron 304, the square nut 402 is welded at two ends of the connecting rod 404, the internal thread hole 403 is formed in the square nut 402, the adjusting screw 401 passes through the internal thread hole 403 and is installed on the square nut 402, the supporting base 405 is welded at the end of the adjusting screw 401, and the supporting base 405 is supported on the templates at two ends by tightening the adjusting screw 401.
The utility model discloses a concrete operation does:
according to the pre-buried position of prefabricated staircase connecting bolt, set up concrete protection layer cement cushion in the corresponding position in ladder roof beam template bottom, treat ladder roof beam template installation and accomplish the back, carry out the installation of the pre-buried positioner of prefabricated staircase connecting bolt. Firstly, penetrating 4 prefabricated staircase connecting bolts into a preset positioning hole on a staircase beam template, and ensuring that the bottom of a screw rod is tightly attached to a cement cushion block during installation; then install lower part adjusting nut on corresponding prefabricated stair connecting bolt again, install prefabricated stair connecting bolt embedded positioner next time, make whole device drop to on the adjusting nut of lower part, install upper portion fixation nut at last. The whole device can be fixed by adjusting the lower adjusting nut to a designated installation position and then installing the upper fixing nut for fastening.
After the prefabricated staircase connecting bolt embedded positioning device is installed, the prefabricated staircase connecting bolt embedded positioning device is fastened to the side faces of the templates at the two ends through adjusting screw rods on the limiting devices, so that the prefabricated staircase connecting bolt embedded positioning device is limited in the left and right directions. In order to ensure the rigidity of the template at the position of the supporting base, a corresponding supporting device is additionally arranged in the template part: such as cement strips or positioning ribs.
The device is dismantled before the construction of lower floor ladder beam position template, can have enough to meet the need along with the construction of operation floor. The dismantling steps are as follows: resetting an adjusting screw, removing an upper fixing nut, removing a pre-embedded positioning device of a connecting bolt of the prefabricated staircase, removing a lower adjusting nut, and transferring to a lower operation layer.
The utility model discloses a set up prefabricated staircase connecting bolt pre-buried positioner, can effectively ensure prefabricated staircase connecting bolt pre-buried precision, avoid later stage bolt off normal to cause prefabricated staircase installation difficulty, influence the time limit for a project; compared with a mode of welding by using positioning ribs, the device is simple and convenient to operate, and the construction efficiency is obviously improved.
1. And the engineering quality is guaranteed. The pre-buried precision of prefabricated staircase connecting bolt can effectively be ensured to prefabricated staircase installation quality has been ensured.
2. The construction is convenient. The installation of the whole device can be completed by only 1 person 1 wrench on site.
3. The construction efficiency is improved. The installation can be completed by only 1 person for 5 minutes on site, and no welding operation is performed on site.
4. Simple structure and low manufacturing cost. The materials of the pre-buried positioning device of the connecting bolt of the prefabricated staircase are all conventional materials used in the project construction process, the manufacturing process is simple, and the materials are used as the existing materials.
5. The turnover rate is high. One building is provided with 2 sets of prefabricated staircase connecting bolt embedded positioning devices, and layer-by-layer turnover is carried out along with construction floors.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The utility model provides a pre-buried positioner of prefabricated stair connecting bolt, a serial communication port, including prefabricated stair connecting bolt (1), ladder beam template (2), fixing device (3) and stop device (4), fixing device (3) are installed on ladder beam template (2) through prefabricated stair connecting bolt (1), and the locating hole that the bottom of prefabricated stair connecting bolt (1) passed on ladder beam template (2) inserts in ladder beam template (2), thereby stop device (4) are installed at the both ends of fixing device (3), prop to both ends template side through stop device (4) apical strut and carry on spacingly to the left right direction of fixing device (3).
2. The pre-buried positioner of prefabricated staircase connecting bolt of claim 1, characterized in that, fixing device (3) include angle steel (304), set up preformed hole (303) that make things convenient for prefabricated staircase connecting bolt (1) to pass on angle steel (304), the cover has upper portion fixation nut (301) and lower part adjusting nut (302) on prefabricated staircase connecting bolt (1), upper portion fixation nut (301) set up in the top of preformed hole (303), lower part adjusting nut (302) set up in the below of preformed hole (303), upper portion fixation nut (301) and lower part adjusting nut (302) cooperation are with prefabricated staircase connecting bolt (1) fixed mounting in preformed hole (303) seted up on angle steel (304).
3. The pre-buried positioner of prefabricated stair connecting bolt of claim 2, characterized in that stop device (4) includes adjusting screw (401), square nut (402), internal thread hole (403), connecting rod (404) and support base (405), connecting rod (404) welding is at angle steel (304) both ends, and square nut (402) welding is at the both ends of connecting rod (404), has seted up internal thread hole (403) on square nut (402), thereby adjusting screw (401) pass internal thread hole (403) and install on square nut (402), adjusting screw (401) tip welding has support base (405), makes support base (405) shore on the template at both ends through screwing up adjusting screw (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021767587.6U CN213572404U (en) | 2020-08-21 | 2020-08-21 | Pre-buried positioner of prefabricated stair connecting bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021767587.6U CN213572404U (en) | 2020-08-21 | 2020-08-21 | Pre-buried positioner of prefabricated stair connecting bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213572404U true CN213572404U (en) | 2021-06-29 |
Family
ID=76556013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021767587.6U Active CN213572404U (en) | 2020-08-21 | 2020-08-21 | Pre-buried positioner of prefabricated stair connecting bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213572404U (en) |
-
2020
- 2020-08-21 CN CN202021767587.6U patent/CN213572404U/en active Active
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Effective date of registration: 20240123 Granted publication date: 20210629 |
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| PP01 | Preservation of patent right |