CN219711104U - Adjustable centering jacking of steel pipe scaffold - Google Patents
Adjustable centering jacking of steel pipe scaffold Download PDFInfo
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- CN219711104U CN219711104U CN202321214291.5U CN202321214291U CN219711104U CN 219711104 U CN219711104 U CN 219711104U CN 202321214291 U CN202321214291 U CN 202321214291U CN 219711104 U CN219711104 U CN 219711104U
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Abstract
本实用新型涉及建筑工程模板支撑施工技术领域，公开了一种钢管脚手架可调节居中顶托。基于现有技术中，顶托搭载单根横杆时存在的偏心问题，本实施例在托撑上设置两组用于固定横杆的可调节固定位置的托座结构，工况一是两个托座之间恰好放置一根横杆，工况二是两个托座之间恰好放置两根横杆。根据搭载在顶托上的横杆的数量，选择托座的安装状态，确保横杆施加给顶托的作用力，位于外部立杆的正上方，从而保证模板脚手架主、次龙骨始终与立杆保持在同一受力面上，有效地提高了模板脚手架工程的稳定性和安全性。
The utility model relates to the technical field of formwork support construction in construction projects, and discloses an adjustable center support of a steel pipe scaffold. Based on the eccentricity problem in the existing technology when the jack is equipped with a single crossbar, this embodiment is provided with two sets of adjustable fixed-position bracket structures for fixing the crossbar on the jack. The first working condition is two There is exactly one cross bar placed between the brackets. The second working condition is to place exactly two cross bars between the two brackets. According to the number of crossbars mounted on the jacking support, select the installation state of the bracket to ensure that the force exerted by the crossbars on the jacking support is located directly above the external vertical pole, thereby ensuring that the main and secondary keels of the formwork scaffold are always in contact with the vertical pole. Keeping it on the same stress surface effectively improves the stability and safety of the formwork scaffolding project.
Description
Technical Field
The utility model relates to the technical field of construction engineering formwork support construction, in particular to an adjustable centering jacking for a steel pipe scaffold.
Background
The template support project is an important project content in the field of house construction project projects, and belongs to the field of dangerous or super-dangerous large projects. The adjustable jacking is one of important components for supporting the inner frame of the formwork engineering, and is mainly used for jacking the main joists and the secondary joists under the formwork and then transmitting loads such as the overlying formwork, concrete, constructors and the like to the vertical upright posts, so that the adjustable jacking is used as a key stress component in the formwork scaffold engineering, and the structural stability of the adjustable jacking is of great importance.
The upper cross bar has a lap joint condition in the use process, and the width of the jacking is generally equal to the outer diameters of the two cross bars in order to contain the lap joint condition of the upper cross bar in the manufacturing process. At present, a bottom plate of an adjustable jacking commonly used in a construction site is a plane, and an upper cross rod and a jacking contact surface are a line; therefore, when the upper cross bar is carried on the jacking, the horizontal sliding is easy to carry out; in addition, in the construction process, operators cannot completely ensure that a single cross rod carried by the operators is in the middle of the jacking, and the jacking eccentric stress is easily caused. The thickness of the jacking is generally 4-5mm, the strength is relatively low, the jacking is always in a cantilever state due to the eccentricity, meanwhile, the vertical upright rod and the screw rod can also generate longitudinal bending, the bearing capacity of the jacking, the screw rod and the upright rod is reduced, and great potential safety hazards exist.
Disclosure of Invention
The adjustable jacking that centers of steel pipe scaffold is provided to the above-mentioned defect that prior art exists for the jacking is no matter be used for a horizontal pole, when two horizontal poles support, all guarantees template scaffold owner, secondary joist and pole setting remain on same atress face all the time, has improved template scaffold engineering's stability and security effectively.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
adjustable jacking placed in middle of steel pipe scaffold, its characterized in that: the device comprises a threaded screw assembly connected with an external upright rod, a supporting support fixedly arranged at the top of the threaded screw assembly and two brackets arranged at the top of the supporting support; the screw thread screw rod assembly is positioned in the middle of the bottom of the bracket, and the two brackets are symmetrically arranged on two sides of the screw thread screw rod assembly; the adjacent surfaces of the two brackets are distributed in an arc surface mode, and the arc surfaces of the brackets are matched with the outer diameter of the external cross rod; the two brackets are provided with two installation states on the bracket, one is that a cross rod is just placed in a gap between the two brackets, and the other is that the two cross rods are just placed in the gap between the two brackets.
According to the technical scheme, two groups of mounting holes are formed in the bracket, and the bracket is mounted in the mounting holes through the bolt assembly; the gap between the two groups of mounting holes is determined by the positions of the two brackets with two mounting states on the bracket.
According to the technical scheme, two through sliding grooves are formed in the supporting plate and symmetrically arranged on two sides of the threaded screw assembly, and the length direction of each sliding groove is perpendicular to the trend of the cross rod; the bracket is arranged in the chute through the bolt component; when the bolt assembly is positioned at the nearest or farthest end of the two sliding grooves, the bolt assembly corresponds to two mounting states of the two brackets on the bracket respectively.
According to the technical scheme, the bolt assembly comprises a fastening screw rod fixed at the bottom of the bracket, a gasket, a washer and a nut sleeved on the fastening screw rod, wherein the fastening screw rod penetrates through the sliding groove, and the bracket is fixed at the preset position of the bracket through the gasket, the washer and the nut.
According to the technical scheme, the width of the slideway is 1 mm-2 mm larger than the outer diameter of the fastening bolt.
According to the technical scheme, the bracket comprises a bottom plate and vertical plates fixed on two sides of the bottom plate, an opening is arranged in the middle of the vertical plates on two sides, and the length of the opening is matched with that of the bracket; the width of the top surface of the bracket is consistent with the thickness of the vertical plate; when the brackets are positioned in a state that the two cross bars are just placed in a gap between the two brackets, the outer wall surfaces of the two brackets are flush with the outer wall surfaces of the two side vertical plates, and the two brackets are respectively positioned in the openings of the two side vertical plates.
According to the technical scheme, the length of the opening is 1/4-1/3 of the length of the vertical plate.
According to the technical scheme, a plurality of thickening rib plates are arranged at intervals at the bottom of the bottom plate of the bracket support, and the thickening rib plates are perpendicular to the placement direction of the cross rod; the thickness range of the thickened rib plate is 1 mm-2 mm, and the width range is 10 mm-15 mm.
According to the technical scheme, the threaded screw assembly comprises a screw and an adjusting nut, a round hole is formed in the top of the external upright rod, the outer diameter of the screw is smaller than the inner diameter of the round hole, and the size of the adjusting nut is larger than the inner diameter of the round hole; the screw rod is arranged in the round hole of the vertical rod, and the adjusting nut is placed on the top surface of the vertical rod.
According to the technical scheme, the screw rod is connected with the adjusting nut through trapezoidal threads.
The utility model has the following beneficial effects:
based on the eccentric problem existing when the jacking carries a single cross rod in the prior art, the two groups of structures for installing brackets are arranged on the jacking, one cross rod is just placed in a gap between two brackets, and the other cross rod is just placed in a gap between two brackets. According to the quantity of the cross bars carried on the jacking, the installation state of the bracket is selected, so that the acting force applied to the jacking by the cross bars is ensured to be positioned right above the external vertical rods, the main keels and the secondary keels of the template scaffold are ensured to be always kept on the same stress surface with the vertical rods, and the stability and the safety of the engineering of the template scaffold are effectively improved.
Drawings
FIG. 1 is a three-dimensional block diagram of an embodiment of the present utility model;
FIG. 2 is a front view of an embodiment of the present utility model;
FIG. 3 is a side view of an embodiment provided by the present utility model;
FIG. 4 is a top view of a provided embodiment of the present utility model;
FIG. 5 is a front cross-sectional view of a provided embodiment of the present utility model;
FIG. 6 is a state of use diagram of an embodiment of the present utility model;
in the figure, 1, an external upright; 2. a threaded screw assembly; 2-1, a screw rod; 2-2, adjusting a nut; 3. a support; 3-1, a bottom plate; 3-2, a vertical plate; 3-3, opening; 4. a bracket; 5. an outer rail; 6. a chute; 7. a bolt assembly; 7-1, fastening a screw; 7-2, a gasket; 7-3, a gasket; 7-4, nuts; 8. and (5) thickening the rib plates.
Detailed Description
The utility model will now be described in detail with reference to the drawings and examples.
Referring to fig. 1 to 6, the adjustable centering jacking of the steel pipe scaffold provided by the utility model is realized.
Example 1
Comprises a threaded screw rod assembly 2 connected with an external vertical rod 1, a supporting bracket 3 fixedly arranged at the top of the threaded screw rod assembly, and two brackets 4 arranged at the top of the supporting bracket; the screw thread screw rod assembly is positioned in the middle of the bottom of the bracket, and the two brackets are symmetrically arranged on two sides of the screw thread screw rod assembly; the adjacent surfaces of the two brackets are distributed in an arc surface mode, and the arc surfaces of the brackets are matched with (i.e. attached to) the outer diameter of the external cross rod 5; the two brackets are provided with two installation states on the bracket, one is that a cross rod is just placed in a gap between the two brackets, and the other is that the two cross rods are just placed in the gap between the two brackets.
Based on the eccentric problem existing when the jacking carries a single cross rod in the prior art, the two groups of structures for installing brackets are arranged on the jacking, one cross rod is just placed in a gap between two brackets, and the other cross rod is just placed in a gap between two brackets. According to the quantity of the cross bars carried on the jacking, the installation state of the bracket is selected, so that the acting force applied to the jacking by the cross bars is ensured to be positioned right above the external vertical rods, the main keels and the secondary keels of the template scaffold are ensured to be always kept on the same stress surface with the vertical rods, and the stability and the safety of the engineering of the template scaffold are effectively improved.
Example 2
The structure and principle of embodiment 2 are similar to those of embodiment 1, except that: a way of mounting the bracket is given. Specifically, two groups of mounting holes are formed in the bracket support, and the bracket is mounted in the mounting holes through the bolt assembly; the gap between the two groups of mounting holes is determined by the positions of the two brackets with two mounting states on the bracket.
Example 3
The structure and principle of embodiment 3 are similar to those of embodiment 1, except that: another way of mounting the bracket is given. Specifically, two through sliding grooves 6 are arranged on the supporting plate, the two sliding grooves are symmetrically arranged on two sides of the threaded screw assembly, and the length direction of each sliding groove is perpendicular to the trend of the cross rod; the bracket is arranged in the chute through a bolt component 7; when the bolt assembly is positioned at the nearest or farthest end of the two sliding grooves, the bolt assembly corresponds to two mounting states of the two brackets on the bracket respectively.
Example 4
The structure and principle of embodiment 4 are similar to those of embodiment 2, except that: on the basis of the embodiment 3, the structural forms of the bolt assembly and the sliding groove are thinned, and a preferable real-time example is given.
Specifically, the bolt assembly comprises a fastening screw 7-1 fixed at the bottom of the bracket, a gasket 7-2, a gasket 7-3 and a nut 7-4 sleeved on the fastening screw, wherein the fastening screw penetrates through the sliding groove, and the bracket is fixed at a preset position of the bracket through the gasket, the gasket and the nut.
In this embodiment, the width of the slide is 1 mm-2 mm greater than the outer diameter of the fastening bolt, facilitating installation of the bolt assembly within the slide.
Example 5
The structure and principle of embodiment 5 is similar to those of embodiments 1-4, except that: a preferred bracing structure is provided, but the bracing structure is not limited to this embodiment, and a top plate can be added, or corresponding components can be increased or decreased according to the requirements of the use scene, only two installation states of the bracket need to be ensured.
In the embodiment, the bracket comprises a bottom plate 3-1 and vertical plates 3-2 fixed on two sides of the bottom plate, wherein an opening 3-3 is arranged in the middle of each vertical plate on two sides, and the length of the opening is matched with that of the bracket; the width of the top surface of the bracket is consistent with the thickness of the vertical plate; when the brackets are positioned in a state that the two cross bars are just placed in a gap between the two brackets, the outer wall surfaces of the two brackets are flush with the outer wall surfaces of the two side vertical plates, and the two brackets are respectively positioned in the openings of the two side vertical plates.
In this embodiment, the length of the opening is preferably 1/4 to 1/3 of the length of the vertical plate, so that the moving space of the bracket is increased, and the flatness and manufacturability of the overall side surface of the jacking are ensured.
Example 6
The structure and principle of embodiment 6 is similar to that of embodiment 5, except that: the bottom of the support is provided with a thickening rib plate for improving the structural strength of the support.
Specifically, a plurality of thickening rib plates 8 are arranged at intervals at the bottom of the bottom plate of the support, and the thickening rib plates are perpendicular to the placing direction of the cross rod, so that the overall support strength of the support is improved; the thickness range of the thickened rib plate is 1 mm-2 mm, and the width range is 10 mm-15 mm. In the embodiment in the figure, the two sides of the chute are provided with the thickening rib plates.
Example 7
The structure and principle of embodiment 7 is similar to those of embodiments 1-6, except that: a preferred form of construction of the threaded screw assembly is presented.
The threaded screw assembly comprises a screw 2-1 and an adjusting nut 2-2, a round hole is formed in the top of the external upright rod, the outer diameter of the screw is smaller than the inner diameter of the round hole, and the size of the adjusting nut is larger than the inner diameter of the round hole; the screw rod is arranged in the round hole of the vertical rod, and the adjusting nut is placed on the top surface of the vertical rod.
In the embodiment, trapezoidal threaded connection is adopted between the screw and the adjusting nut, the trapezoidal threaded connection is good in transmissibility, high in tooth root strength and good in neutrality, and the adjusting nut is suitable for jacking up and down adjusting stress.
The application process and principle of the utility model are as follows:
the screw rod of the jacking is put into an external vertical rod, the adjusting nut is rotated, and the jacking height is controlled to meet the construction standard requirement. And loosening the bolt assembly at the bottom of the bracket, adjusting the bracket 5 (selecting the fixed position of the bracket according to the number of carrying cross bars), then screwing the bolt assembly, and erecting a horizontal cross bar, so that the cross bar and the upright rod can be ensured to be on the same elevation, thereby improving the engineering stability and the safety of the template scaffold.
The foregoing is merely illustrative of the present utility model and is not intended to limit the scope of the utility model, which is defined by the claims and their equivalents.
Claims (10)
1. Adjustable jacking placed in middle of steel pipe scaffold, its characterized in that: the device comprises a threaded screw assembly connected with an external upright rod, a supporting support fixedly arranged at the top of the threaded screw assembly and two brackets arranged at the top of the supporting support; the screw thread screw rod assembly is positioned in the middle of the bottom of the bracket, and the two brackets are symmetrically arranged on two sides of the screw thread screw rod assembly; the adjacent surfaces of the two brackets are distributed in an arc surface mode, and the arc surfaces of the brackets are matched with the outer diameter of the external cross rod; the two brackets are provided with two installation states on the bracket, one is that a cross rod is just placed in a gap between the two brackets, and the other is that the two cross rods are just placed in the gap between the two brackets.
2. The adjustable centering jack of steel pipe scaffold of claim 1, wherein: two groups of mounting holes are formed in the support, and the bracket is mounted in the mounting holes through the bolt assembly; the gap between the two groups of mounting holes is determined by the positions of the two brackets with two mounting states on the bracket.
3. The adjustable centering jack of steel pipe scaffold of claim 1, wherein: two through sliding grooves are formed in the supporting plate and symmetrically arranged on two sides of the threaded screw assembly, and the length direction of each sliding groove is perpendicular to the trend of the cross rod; the bracket is arranged in the chute through the bolt component; when the bolt assembly is positioned at the nearest or farthest end of the two sliding grooves, the bolt assembly corresponds to two mounting states of the two brackets on the bracket respectively.
4. The adjustable centering jack of the steel pipe scaffold of claim 3, wherein: the bolt assembly comprises a fastening screw rod fixed at the bottom of the bracket, a gasket, a washer and a nut, wherein the gasket, the washer and the nut are sleeved on the fastening screw rod, the fastening screw rod penetrates through the sliding groove, and the bracket is fixed at the preset position of the bracket through the gasket, the washer and the nut.
5. The adjustable centering jack of steel pipe scaffold of claim 4, wherein: the width of the slideway is 1 mm-2 mm larger than the outer diameter of the fastening bolt.
6. The adjustable centering jack of steel pipe scaffold of claim 1, wherein: the support comprises a bottom plate and vertical plates fixed on two sides of the bottom plate, an opening is arranged in the middle of the vertical plates on two sides, and the length of the opening is matched with the length of the bracket; the width of the top surface of the bracket is consistent with the thickness of the vertical plate; when the brackets are positioned in a state that the two cross bars are just placed in a gap between the two brackets, the outer wall surfaces of the two brackets are flush with the outer wall surfaces of the two side vertical plates, and the two brackets are respectively positioned in the openings of the two side vertical plates.
7. The adjustable centering jack of the steel pipe scaffold of claim 6, wherein: the length of the opening is 1/4-1/3 of the length of the vertical plate.
8. The adjustable centering jack of the steel pipe scaffold of claim 6, wherein: a plurality of thickening rib plates are arranged at intervals at the bottom of the bottom plate of the bracket support, and the thickening rib plates are perpendicular to the placing direction of the cross rod; the thickness range of the thickened rib plate is 1 mm-2 mm, and the width range is 10 mm-15 mm.
9. The adjustable centering jack of steel pipe scaffold of claim 1, wherein: the threaded screw assembly comprises a screw and an adjusting nut, a round hole is formed in the top of the external vertical rod, the outer diameter of the screw is smaller than the inner diameter of the round hole, and the size of the adjusting nut is larger than the inner diameter of the round hole; the screw rod is arranged in the round hole of the vertical rod, and the adjusting nut is placed on the top surface of the vertical rod.
10. The adjustable centering jack of steel pipe scaffold of claim 2, wherein: the screw rod is connected with the adjusting nut by trapezoidal threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321214291.5U CN219711104U (en) | 2023-05-18 | 2023-05-18 | Adjustable centering jacking of steel pipe scaffold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321214291.5U CN219711104U (en) | 2023-05-18 | 2023-05-18 | Adjustable centering jacking of steel pipe scaffold |
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| CN219711104U true CN219711104U (en) | 2023-09-19 |
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| CN202321214291.5U Active CN219711104U (en) | 2023-05-18 | 2023-05-18 | Adjustable centering jacking of steel pipe scaffold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117846279A (en) * | 2023-12-05 | 2024-04-09 | 中建八局西北建设有限公司 | Scaffold top support centering and fastening device, scaffold and centering and fastening method |
-
2023
- 2023-05-18 CN CN202321214291.5U patent/CN219711104U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117846279A (en) * | 2023-12-05 | 2024-04-09 | 中建八局西北建设有限公司 | Scaffold top support centering and fastening device, scaffold and centering and fastening method |
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