CN215107213U - Improved structure of vertical main frame of attached lifting scaffold - Google Patents
Improved structure of vertical main frame of attached lifting scaffold Download PDFInfo
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- CN215107213U CN215107213U CN202120696995.5U CN202120696995U CN215107213U CN 215107213 U CN215107213 U CN 215107213U CN 202120696995 U CN202120696995 U CN 202120696995U CN 215107213 U CN215107213 U CN 215107213U
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- rod
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- main frame
- pole setting
- vertical rod
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- 238000005452 bending Methods 0.000 claims abstract description 8
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model discloses an improved structure of a vertical main frame of an attached lifting scaffold, which comprises an outer vertical rod, an inner vertical rod component, a cross rod and a support rod; a cross rod is connected between the adjacent outer vertical rods, and a cross rod is also connected between the adjacent inner vertical rod assemblies; a support rod is connected between the adjacent inner upright rod assembly and the outer upright rod; a connecting rod is arranged between the outer vertical rod and the inner vertical rod assembly, and two ends of the connecting rod are respectively connected with the outer vertical rod and the inner vertical rod assembly. The utility model discloses the effect of horizontal wind load, vertical use load and dead weight is taken into account comprehensively, according to the distribution characteristic of the structurally produced maximum bending moment of these loads and axial force, carries out local enhancement to vertical main frame, makes and sets up regional structure strengthening at the connecting rod between outer pole setting and the interior pole setting subassembly, has improved wind-resistant strength, avoids vertical main frame to warp, reduces stress, and vertical main frame's structural security promotes greatly.
Description
Technical Field
The utility model relates to an inserted lift scaffold's technical field, in particular to improvement structure of the vertical main frame of inserted lift scaffold.
Background
The attached lifting scaffold is a novel scaffold which is rapidly developed at the beginning of the century, is erected at a certain height and is attached to an engineering structure, depends on lifting equipment and a device of the attached lifting scaffold, can climb or descend along with an engineering structure layer by layer, is shown in figure 1 and figure 2, changes high-altitude operation into low-altitude operation, changes suspended operation into support body internal operation, and has the characteristics of obvious low carbon property, high-tech content, economy, safety, convenience and the like. However, recent researches find that the existing attached lifting scaffold has the problem of mechanical safety, mechanical analysis and verification are carried out according to the load specified by the JG/T546-2019 standard, the conclusion is that most products are far from meeting the requirements of the national standard JG/T546-2019, and the main problems are concentrated on the structures of the inner vertical rod assembly 100 and the outer vertical rod 200.
As shown in fig. 1-2, the mast assembly structure includes an inner mast assembly 100 and an outer mast 200. Taking a 13.5 m high-attachment lifting scaffold for a typical residential building as an example, the outer vertical rod 200 of the existing attachment lifting scaffold is of a single-rod structure, the outer vertical rod 200 is located at the outer side of the scaffold, and the outer vertical rod 200 is used for installing the mesh 400. The inner vertical rod assembly 100 is a T-shaped structure, and the inner vertical rod assembly 100 is assembled on the wall-attached support 500 in a lifting manner. The adjacent inner vertical rod assemblies 100 and the adjacent outer vertical rods 200 are connected with each other through cross rods 00, the adjacent inner vertical rod assemblies 100 and the adjacent outer vertical rods 200 are connected with each other through supporting rods 400, the walkway plates 300 are paved on the adjacent cross rods 00 and the supporting rods 400, and a step height is formed between the upper walkway plate 300 and the lower walkway plate 300. The lifting mechanism 600 is matched with the guide rail to drive the inner vertical rod assembly 100 to slide on the wall-attached support 500, so that the whole scaffold is lifted or lowered.
In order to highlight the problem of stress safety, the wind direction shown by an arrow in fig. 2 is taken as an example for explanation, at this time, the outer vertical rod 200 is applied with an outward pressure force, the area with the largest pressure is in the section a, and the area is also the area with the largest bending moment and axial force of the outer vertical rod and mainly concentrates on three step-up positions below the top guardrail L of the scaffold; while the inner leg assembly 100 is forced outwardly with the greatest concentration of pressure being at sections B and C, the second step-up position at the top and the second step-up position at the bottom of the scaffold. The existing inner vertical rod assembly 100 and the outer vertical rod assembly 200 have the potential safety hazard of bending deformation, breaking and even collapsing of the scaffold.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an inserted lift scaffold frame vertical main frame improvement structure to strengthen vertical main frame structure, avoid vertical main frame to warp, reduce stress, improve the security.
In order to achieve the above purpose, the solution of the present invention is:
the improved structure of the vertical main framework of the attached lifting scaffold comprises an outer upright rod, an inner upright rod assembly, a cross rod and a support rod; a cross rod is connected between the adjacent outer vertical rods, and a cross rod is also connected between the adjacent inner vertical rod assemblies; a support rod is connected between the adjacent inner upright rod assembly and the outer upright rod; a connecting rod is arranged between the outer vertical rod and the inner vertical rod assembly, and two ends of the connecting rod are respectively connected with the outer vertical rod and the inner vertical rod assembly.
The connecting rod adopts a plurality of parallel arrangement's horizontal pole to constitute, and outer pole setting and interior pole setting subassembly are connected respectively to the both ends of horizontal pole.
The connecting rod adopts a plurality of horizontal poles and down tube combination, a plurality of horizontal poles parallel arrangement, and outer pole setting and interior pole setting subassembly are connected respectively at the both ends of horizontal pole, set up a down tube between the adjacent horizontal pole, and outer pole setting and interior pole setting subassembly are connected respectively at the both ends of down tube.
The inclined rods above the cross rods and the inclined rods below the cross rods are consistent in inclined direction.
The inclined rod above the cross rod is opposite to the inclined rod below the cross rod in the inclined direction.
The connecting rod adopts Z type pole group, has two horizontal poles, an down tube and two montants, and two montants are fixed respectively on outer pole setting and interior pole setting subassembly, and two horizontal pole parallel arrangement and the both ends of horizontal pole are connected respectively on two montants, and the down tube slope sets up between two horizontal poles, and the both ends of down tube are connected respectively on two montants.
The connecting rod adopts triangle-shaped pole group, has a horizontal pole, an down tube and a montant, and the montant is fixed on outer pole setting or interior pole setting subassembly, and the both ends of horizontal pole are connected respectively on montant and outer pole setting or interior pole setting subassembly, and the down tube slope sets up, and the both ends of down tube are connected respectively on montant and outer pole setting or interior pole setting subassembly.
The connecting rod is arranged between the outer vertical rod and the inner vertical rod component corresponding to the region with the maximum bending moment and axial force of the outer vertical rod.
The connecting rods are arranged at three step-up positions below a guardrail at the top of the scaffold, and preferably at a second step-up position.
After the scheme is adopted, compared with the prior art, the utility model has the following advantage: the utility model discloses the effect of horizontal wind load, vertical use load and dead weight is taken into account comprehensively, according to the distribution characteristic of the structurally produced maximum bending moment of these loads and axial force, carry out local enhancement to vertical main frame, still be equipped with the connecting rod between outer pole setting and interior pole setting subassembly, make and set up regional structure at the connecting rod between outer pole setting and the interior pole setting subassembly and reinforce, improved wind-resistant intensity, avoid vertical main frame to warp, reduce stress, vertical main frame's structural security promotes greatly.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a perspective view of a conventional attachment type lifting scaffold;
fig. 2 is a side view of a conventional attached lifting scaffold;
fig. 3 is a schematic view of an embodiment of the present invention;
FIG. 4 is a schematic diagram of a second embodiment of the present invention;
fig. 5 is a third schematic view of the embodiment of the present invention;
fig. 6 is a fourth schematic view of an embodiment of the present invention;
fig. 7 is a fifth schematic view of an embodiment of the present invention;
fig. 8 is a sixth schematic view of an embodiment of the present invention.
Description of the reference symbols
The wall-attached type road traffic guidance system comprises an inner vertical rod assembly 100, an outer vertical rod 200, a walkway plate 300, a net sheet 400, a wall-attached support 500, a lifting mechanism 600, a crossing rod 00 and a support rod 400;
the wall-attached support comprises an inner vertical rod component 1, an outer vertical rod 2, a connecting rod 3, a cross rod 31, an inclined rod 32, a vertical rod 33, a short rod 34, a supporting rod 4 and a wall-attached support 5.
Detailed Description
As shown in fig. 2 to 8, the present invention discloses an improved structure of a vertical main frame of an attached lifting scaffold, which comprises an outer vertical rod 2, an inner vertical rod assembly 1, a cross rod and a support rod 4. The outer uprights 2 are located on the outside of the scaffolding and the outer uprights 2 are used for mounting a mesh (not shown in the figures). The inner upright assembly 1 is assembled in a liftable manner on the wall attachment support 5. A cross rod (not shown) is connected between the adjacent outer vertical rods 2, and a cross rod is also connected between the adjacent inner vertical rod assemblies 1. A support rod 4 is connected between the adjacent inner vertical rod component 1 and the outer vertical rod 2. The adjacent cross rods and the support rods 4 are paved with walkway plates (not shown in the figure), and a step height is formed between the upper walkway plate and the lower walkway plate. The lifting mechanism (not shown in the figure) drives the inner vertical rod assembly 1 to slide on the wall-attached support 5, so that the whole scaffold is lifted or lowered.
The utility model discloses an improvement point is: at horizontal wind load, under the effect of vertical use load and dead weight, according to the distribution characteristic of the structurally produced maximum bending moment of these loads and axial force, carry out local enhancement formation reinforcing area D to vertical main frame, still be equipped with connecting rod 3 between outer pole setting 2 and interior pole setting subassembly 1, outer pole setting 2 and interior pole setting subassembly 1 are connected respectively to the both ends of connecting rod 3, make and set up regional structure at connecting rod 3 between outer pole setting 2 and the interior pole setting subassembly 1 and reinforce, the wind resistance intensity has been improved, avoid vertical main frame to warp, reduce stress, the structural security of vertical main frame promotes greatly.
The connecting rod 3 of the present invention can have various shapes, specifically as shown in the figures, but not limited to the structure of the drawings.
As shown in fig. 3 and 4, the connecting rod 3 is formed by combining a plurality of cross rods 31 and inclined rods 32, the cross rods 31 are arranged in parallel, two ends of each cross rod 31 are respectively connected with the outer vertical rod 2 and the inner vertical rod assembly 1, one inclined rod 32 is arranged between every two adjacent cross rods 31, and two ends of each inclined rod 32 are respectively connected with the outer vertical rod 2 and the inner vertical rod assembly 1. In fig. 3, the inclined rod 32 above the cross bar 31 is opposite to the inclined rod 32 below the cross bar 31. The inclined rod 32 above the cross bar 31 shown in fig. 4 is inclined in the same direction as the inclined rod 32 below the cross bar 31.
As shown in fig. 5, the connecting rod 3 is composed of a plurality of cross rods 31 arranged in parallel, and both ends of the cross rods 31 are respectively connected with the outer vertical rod 2 and the inner vertical rod assembly 1.
As shown in fig. 6, the connecting rod 3 is a triangular rod set, and has a cross rod 31, an oblique rod 32 and a vertical rod 33, the vertical rod 33 is fixed on the inner vertical rod assembly 1 (or the outer vertical rod 2), two ends of the cross rod 31 are respectively connected to the vertical rod 33 and the outer vertical rod 2 (or the inner vertical rod assembly 1), the oblique rod 32 is obliquely arranged, and two ends of the oblique rod 32 are respectively connected to the vertical rod 33 and the outer vertical rod 2 (or the inner vertical rod assembly 1, or the short rod 34).
As shown in fig. 7, the connecting rod 3 is a Z-shaped rod set, and has two cross rods 31, an inclined rod 32 and two vertical rods 33, the two vertical rods 33 are respectively fixed on the outer vertical rod 2 and the inner vertical rod assembly 1, the two cross rods 31 are arranged in parallel, two ends of the cross rod 31 are respectively connected to the two vertical rods 33, the inclined rod 32 is obliquely arranged between the two cross rods 31, and two ends of the inclined rod 32 are respectively connected to the two vertical rods 33.
Connecting rod 3 corresponds outer pole setting 2 bending moment and the biggest regional setting of axial force between outer pole setting 2 and interior pole setting subassembly 1. The specific arrangement may be as shown, but is not limited to the illustrated arrangement, and is typically three step-up positions, preferably the second step-up position, below the top guard rail of the scaffold.
In the case that the guide rail does not penetrate through the whole inner vertical rod assembly 1, the structure shown in fig. 8 is adopted for reinforcement, the arrangement range of the connecting rod 3 is increased between the outer vertical rod 2 and the inner vertical rod assembly 1, and the reinforcement area D is enlarged.
The above description is only the specific embodiments of the present invention, and is not intended to limit the scope of the present invention. It should be noted that after reading this description, those skilled in the art can make equivalent changes according to the design concept of the present application, which fall within the protection scope of the present application.
Claims (9)
1. Vertical main frame improvement structure of inserted lift scaffold, its characterized in that: comprises an outer vertical rod, an inner vertical rod component, a cross rod and a supporting rod; a cross rod is connected between the adjacent outer vertical rods, and a cross rod is also connected between the adjacent inner vertical rod assemblies; a support rod is connected between the adjacent inner upright rod assembly and the outer upright rod; a connecting rod is arranged between the outer vertical rod and the inner vertical rod assembly, and two ends of the connecting rod are respectively connected with the outer vertical rod and the inner vertical rod assembly.
2. The improved structure of the vertical main frame of the attached lifting scaffold of claim 1, wherein: the connecting rod adopts a plurality of parallel arrangement's horizontal pole to constitute, and outer pole setting and interior pole setting subassembly are connected respectively to the both ends of horizontal pole.
3. The improved structure of the vertical main frame of the attached lifting scaffold of claim 1, wherein: the connecting rod adopts a plurality of horizontal poles and down tube combination, a plurality of horizontal poles parallel arrangement, and outer pole setting and interior pole setting subassembly are connected respectively at the both ends of horizontal pole, set up a down tube between the adjacent horizontal pole, and outer pole setting and interior pole setting subassembly are connected respectively at the both ends of down tube.
4. The improved structure of the vertical main frame of the attached lifting scaffold of claim 3, wherein: the inclined rods above the cross rods and the inclined rods below the cross rods are consistent in inclined direction.
5. The improved structure of the vertical main frame of the attached lifting scaffold of claim 3, wherein: the inclined rod above the cross rod is opposite to the inclined rod below the cross rod in the inclined direction.
6. The improved structure of the vertical main frame of the attached lifting scaffold of claim 1, wherein: the connecting rod adopts Z type pole group, has two horizontal poles, an down tube and two montants, and two montants are fixed respectively on outer pole setting and interior pole setting subassembly, and two horizontal pole parallel arrangement and the both ends of horizontal pole are connected respectively on two montants, and the down tube slope sets up between two horizontal poles, and the both ends of down tube are connected respectively on two montants.
7. The improved structure of the vertical main frame of the attached lifting scaffold of claim 1, wherein: the connecting rod adopts triangle-shaped pole group, has a horizontal pole, an down tube and a montant, and the montant is fixed on outer pole setting or interior pole setting subassembly, and the both ends of horizontal pole are connected respectively on montant and outer pole setting or interior pole setting subassembly, and the down tube slope sets up, and the both ends of down tube are connected respectively on montant and outer pole setting or interior pole setting subassembly.
8. The improved structure of the vertical main frame of the attached lifting scaffold of claim 1, wherein: the connecting rod is arranged between the outer vertical rod and the inner vertical rod component corresponding to the region with the maximum bending moment and axial force of the outer vertical rod.
9. The improved structure of the vertical main frame of the attached lifting scaffold of claim 1, wherein: the connecting rods are arranged at three step-up positions below the guardrail at the top of the scaffold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120696995.5U CN215107213U (en) | 2021-04-07 | 2021-04-07 | Improved structure of vertical main frame of attached lifting scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120696995.5U CN215107213U (en) | 2021-04-07 | 2021-04-07 | Improved structure of vertical main frame of attached lifting scaffold |
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| Publication Number | Publication Date |
|---|---|
| CN215107213U true CN215107213U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120696995.5U Expired - Fee Related CN215107213U (en) | 2021-04-07 | 2021-04-07 | Improved structure of vertical main frame of attached lifting scaffold |
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| Country | Link |
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| CN (1) | CN215107213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737740A (en) * | 2022-04-13 | 2022-07-12 | 中国矿业大学 | Variable attached climbing scaffold and using method thereof |
-
2021
- 2021-04-07 CN CN202120696995.5U patent/CN215107213U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737740A (en) * | 2022-04-13 | 2022-07-12 | 中国矿业大学 | Variable attached climbing scaffold and using method thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |