CN220847107U - Hogging moment stretch-draw operation platform - Google Patents
Hogging moment stretch-draw operation platform Download PDFInfo
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- CN220847107U CN220847107U CN202322248795.5U CN202322248795U CN220847107U CN 220847107 U CN220847107 U CN 220847107U CN 202322248795 U CN202322248795 U CN 202322248795U CN 220847107 U CN220847107 U CN 220847107U
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- rod
- hoisting
- standing platform
- cross
- platform
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- 230000007246 mechanism Effects 0.000 claims abstract description 53
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 16
- 230000001681 protective effect Effects 0.000 description 2
- 244000126211 Hericium coralloides Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The hogging moment stretching operation platform comprises a guardrail supporting mechanism, a stretching hoisting mechanism and a standing platform, wherein the stretching hoisting mechanism is arranged right above the standing platform, and the standing platform comprises a standing platform cross rod, a standing platform longitudinal rod, an iron wire net piece and a hinge; the tensioning and hoisting mechanism comprises a hoisting cross rod, a hoisting longitudinal rod, a pulley block, parallel rod pieces and a sliding hook; each group of guardrail supporting mechanism comprises a fixed hook, a telescopic rod, a supporting upright rod, a long and short upright rod, a cross rod and a middle cross rod; the two groups of guardrail supporting mechanisms are respectively arranged on the left side and the right side of the tensioning and hoisting mechanism and the standing platform and are hinged with hinges on the transverse rods of the standing platform, and the tensioning and hoisting mechanism is fixed on the two groups of guardrail supporting mechanisms. The tensioning operation platform is a safe and reliable operation platform which can be operated in a limited space and is constructed under a bridge deck, the safety risk can be reduced, the quality of hogging moment tensioning operation can be guaranteed, the labor intensity can be reduced, and the construction efficiency can be improved.
Description
Technical field:
the utility model belongs to the technical field of railway, highway and municipal construction engineering construction, in particular to the technical field of construction of a continuous superstructure of a prestressed prefabricated T-beam bridge surface, and particularly relates to a hogging moment stretching operation platform.
The background technology is as follows:
At present, along with the rapid development of infrastructure construction in China, the bridge construction is applied to the fields of municipal administration, highways, railways and the like, the prestressed precast beam is gradually common in bridge design, and the precast T-beam is the most commonly used form in the prestressed precast beam. The construction sequence of the bridge deck system of the prefabricated T beam upper structure is as follows: diaphragm construction, pier top continuous section construction, wet joint construction and hogging moment tensioning, but because the prefabricated T beam hogging moment tensioning comb tooth block is positioned below the wing plate, and the operation space is limited, hogging moment tensioning is difficult to normally construct, the whole bridge deck system is slow in operation progress, no operation platform and protective measures exist below the bridge deck, and great potential safety hazards exist.
The utility model comprises the following steps:
The utility model aims to provide a safe and reliable hogging moment stretching operation platform for operators when the hogging moment stretching operation of the prefabricated T-beam upper structure bridge deck is performed in a limited space.
The utility model adopts the following technical scheme to realize the aim:
The utility model provides a hogging moment stretching operation platform which comprises a guardrail supporting mechanism, a stretching and hoisting mechanism and a standing platform, wherein the stretching and hoisting mechanism is arranged right above the standing platform, the guardrail supporting mechanism is provided with two identical groups, and the guardrail supporting mechanism is respectively arranged at the left side and the right side of the stretching and hoisting mechanism and the standing platform; the standing platform comprises standing platform cross bars, standing platform longitudinal bars, iron wire meshes and hinges, wherein the two standing platform cross bars are arranged in parallel, the standing platform longitudinal bars are uniformly and vertically fixed between the two standing platform cross bars to form a rectangular platform, the iron wire meshes are fixedly arranged on the platform, and the hinges are uniformly and symmetrically arranged on the two standing platform cross bars; each group of guardrail supporting mechanism comprises a supporting upright rod, a long upright rod, a short upright rod, a cross rod, a middle cross rod, telescopic rods and fixed hooks, wherein the cross rod penetrates through the supporting upright rod and is fixed with the long upright rod to form a rectangular guardrail, the supporting upright rod and the short upright rod are uniformly fixed between the upper cross rod and the lower cross rod, the telescopic rods are arranged in the supporting upright rod, the fixed hooks are fixed at the tops of the telescopic rods in the corresponding supporting upright rods, the middle cross rod is fixed at the middle position of the guardrail, the telescopic rods are arranged in the two ends of the middle cross rod, and the guardrail supporting mechanism and the standing platform are hinged and fixed through hinges; the tensioning hoisting mechanism comprises hoisting cross bars, hoisting longitudinal bars, pulley blocks, parallel rod pieces and sliding hooks, the hoisting cross bars and the corresponding hoisting longitudinal bars can be rotationally twisted, the hoisting cross bars and the hoisting longitudinal bars are fixed to form a rectangular hoisting platform, the pulley blocks and the parallel rod pieces form a transverse sliding device and are embedded between the two hoisting cross bars, the sliding hooks are clamped above the two parallel rod pieces and can slide along the length directions of the parallel rod pieces, and the hoisting cross bars and the hoisting longitudinal bars of the tensioning hoisting mechanism are fixed on supporting upright rods of the two groups of guardrail supporting mechanisms.
The standing platform comprises two standing platform cross bars, six standing platform longitudinal bars and eight hinges, wherein the six standing platform longitudinal bars are uniformly fixed between the two standing platform cross bars, and the eight hinges are symmetrically arranged on the two standing platform cross bars.
The transverse rod of the standing platform is made of galvanized square pipes with the diameter of B60mm multiplied by 40mm multiplied by 3mm, the longitudinal rod of the standing platform is made of galvanized square pipes with the diameter of B60mm multiplied by 40mm multiplied by 3mm, the specification of the wire mesh is 30mm, and the wire mesh is made of wires with the diameter of 3 mm.
The tensioning and hoisting mechanism comprises two hoisting cross bars, two hoisting longitudinal bars, two pulley blocks, two parallel rods and a sliding hook; the two hoisting cross bars and the corresponding two hoisting longitudinal bars are fixed by bolts to form a rectangular hoisting platform, and the two pulley blocks and the two parallel bars form a transverse sliding device which is embedded between the two hoisting cross bars and slides along the length direction of the hoisting cross bars; the sliding hook is clamped above the two parallel rod pieces and slides along the length direction of the parallel rod pieces.
The hoisting cross rod is made of 5cm I-steel, and the two ends of the hoisting cross rod are wrapped by galvanized steel sheets; the hoisting longitudinal rod is manufactured by adopting galvanized square pipes with the length of B40mm multiplied by 20mm multiplied by 2 mm; the parallel bars can be made of 3cm channel steel.
The sliding hook is manufactured by welding an HRB400 smooth round steel bar with phi=12 mm and two pulleys.
Each group of guardrail supporting mechanism include two fixed hooks, four telescopic links, two support pole setting, two long pole setting, two short pole setting, two horizontal poles from top to bottom, horizontal pole in one, parallel arrangement about two horizontal poles, two horizontal poles pass two support pole setting perpendicularly and respectively with two long pole setting welded fastening form rectangular guardrail, two support pole setting and two short pole setting parallel arrangement and even welded fastening are between two horizontal poles from top to bottom, two short pole setting is located two support pole setting outsides, install a telescopic link in two support pole setting respectively, two fixed hooks weld respectively at two telescopic link tops of installing in support pole setting, well horizontal pole and two horizontal pole parallel arrangement and welded fastening are in guardrail intermediate position, two telescopic links are installed in well horizontal pole both ends in addition.
The fixed hook is made of an HRB400 smooth round steel bar with phi=16mm.
The supporting vertical rod and the middle cross rod are both made of galvanized square pipes with the length of B60mm multiplied by 40mm multiplied by 3mm, and the telescopic rod is made of galvanized square pipes with the length of B58mm multiplied by 38mm multiplied by 3mm.
The cross rod, the long vertical rod and the short vertical rod are all made of galvanized square tubes with the length of B40mm multiplied by 20mm multiplied by 2 mm.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the jack can be hoisted by using the tensioning hoisting mechanism, and the jack is not required to be installed by manpower for tensioning operation, so that the problems of high labor intensity and low construction efficiency are solved.
2. The utility model has simple manufacturing method, light and flexible structure, can be quickly recycled, effectively controls the construction cost, greatly shortens the construction period and has obvious benefit.
3. The utility model has simple installation and convenient use, provides safety protection for operators, and ensures the quality of hogging moment stretching operation.
In summary, when the hogging moment stretching operation is performed, the safe and reliable hogging moment stretching operation platform is provided for operators aiming at the conditions that the hogging moment stretching operation is performed in a limited space and the construction under the bridge deck does not have any operation platform, protective measures, construction is difficult, labor intensity is high, construction efficiency is low and the like, so that the quality of the hogging moment stretching operation can be ensured and the operation progress of the whole bridge deck system can be improved while the safety risk is reduced.
Description of the drawings:
FIG. 1 is a front elevational view of the structure of the present utility model;
FIG. 2 is a side view of the structure of the present utility model;
FIG. 3 is a schematic structural view of the tensioning and hoisting mechanism of the present utility model;
FIG. 4 is a schematic diagram of a standing platform mechanism according to the present utility model.
Reference numerals in the drawings:
1-fixed hooks, 2-telescopic rods, 3-supporting vertical rods, 4-lifting cross rods, 5-long vertical rods, 6-cross rods, 7-short vertical rods, 8-middle cross rods, 9-standing platform cross rods, 10-hinges, 11-bolts, 12-lifting vertical rods, 13-pulleys, 14-parallel rods, 15-sliding hooks, 16-standing platform vertical rods and 17-iron wire meshes.
The specific embodiment is as follows:
The present utility model will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present utility model and not in any way limiting, nor will the same or similar techniques be used in connection with the present utility model beyond the scope of the present utility model.
Referring to fig. 1-4, the utility model provides a hogging moment stretching operation platform, which comprises a guardrail supporting mechanism, a stretching and hoisting mechanism and a standing platform, wherein the stretching and hoisting mechanism is arranged right above the standing platform, the guardrail supporting mechanism is provided with two identical groups, and the guardrail supporting mechanism is respectively arranged at the left side and the right side of the stretching and hoisting mechanism and the standing platform. The standing platform comprises two standing platform cross bars 9, six standing platform longitudinal bars 16, an iron wire net sheet 17 and eight hinges 10, wherein the two standing platform cross bars 9 are arranged in parallel, the standing platform cross bars 9 are made of galvanized square tubes with the thickness of B60mm multiplied by 40mm multiplied by 3mm, the six standing platform longitudinal bars 16 are made of galvanized square tubes with the thickness of B60mm multiplied by 40mm multiplied by 3mm, and the six standing platform longitudinal bars 16 are uniformly and vertically fixed between the two standing platform cross bars 9 to form a rectangular platform; the specification of the wire mesh 17 is 30mm, and the hinge 10 can be purchased and manufactured by adopting wires with the diameter of 3 mm; the iron wire net piece 17 is fixedly arranged on the platform, and eight hinges 10 are uniformly and symmetrically arranged on the two transverse rods 9 of the standing platform.
The guardrail support mechanism is hinged and fixed with the standing platform through a hinge 10. Each group of guardrail supporting mechanism comprises two supporting vertical rods 3, two long vertical rods 5, two short vertical rods 7, two cross rods 6, a middle cross rod 8, four telescopic rods 2 and two fixed hooks 1. The two cross bars 6 are arranged in parallel up and down, the two cross bars 6 vertically penetrate through the two supporting vertical rods 3 and are respectively welded and fixed with the two long vertical rods 5 to form a rectangular guardrail, the two supporting vertical rods 3 and the two short vertical rods 7 are arranged in parallel and are uniformly welded and fixed between the upper cross bar 6 and the lower cross bars 6, the two short vertical rods 7 are positioned on the outer sides of the two supporting vertical rods 3, and the two cross bars 6, the two long vertical rods 5 and the two short vertical rods 7 are all manufactured by adopting galvanized square pipes with the length of B40mm multiplied by 20mm multiplied by 2 mm. The two telescopic rods 2 are respectively arranged in the two supporting vertical rods 3 and can be lengthened and shortened, the supporting vertical rods 3 are made of galvanized square tubes with the length of B60mm multiplied by 40mm multiplied by 3mm, and the telescopic rods 2 are made of galvanized square tubes with the length of B58mm multiplied by 38mm multiplied by 3 mm. The fixed hooks 1 are made of phi=16mm HRB400 plain round steel bars, and the two fixed hooks 1 are respectively welded at the tops of two telescopic rods 2 arranged in two corresponding supporting vertical rods 3. The middle cross rod 8 is made of galvanized square pipes with the length of B60mm multiplied by 40mm multiplied by 3mm, the middle cross rod 8 and the two cross rods 6 are arranged in parallel and welded and fixed at the middle position of the guardrail, and the other two telescopic rods 2 are arranged in the two ends of the middle cross rod 8.
The tensioning and hoisting mechanism comprises two hoisting cross bars 4, two hoisting longitudinal bars 12, two pulley blocks 13, two parallel rods 14 and a sliding hook 15; the two hoisting cross bars 4 are made of 5cm I-steel, and the two ends are wrapped by galvanized steel sheets; the two hoisting longitudinal rods 12 are manufactured by galvanized square pipes with the length of B40mm multiplied by 20mm multiplied by 2 mm; the lifting cross bars 4 and the corresponding lifting longitudinal bars 12 can twist in a rotating way, and the two lifting cross bars 4 and the corresponding two lifting longitudinal bars 12 are respectively fixed by bolts to form a rectangular lifting platform; the two pulley blocks 13 and the two parallel rods 14 form a transverse sliding device, are embedded between the two hoisting cross bars 4 and slide along the length direction of the hoisting cross bars 4; the sliding hooks 15 are clamped above the two parallel rod pieces 14 and slide along the length direction of the parallel rod pieces 14; the pulley block 13 can be purchased, the two parallel rods 14 can be made of 3cm channel steel, and the sliding hook 15 is made of phi=12mm HRB400 plain round steel bars and two pulleys by welding. The hoisting cross rod 4 and the hoisting longitudinal rod 12 of the tensioning hoisting mechanism are fixed on the supporting vertical rods 3 of the two groups of guardrail supporting mechanisms.
The hogging moment stretching operation platform can be used for construction through the following steps:
1) And moving the hogging moment stretching operation platform to the bridge deck above which stretching operation is required, and firstly using the supporting upright rods 3 to fold the hogging moment stretching operation platform up and down and then passing through the wet joints.
2) The bending moment stretching operation platform can be adjusted to a proper height by the telescopic rod 2, and then the fixed hook 1 is hung on a beam plate.
3) The operation personnel can climb down to the standing platform through all the transverse rods between the two supporting vertical rods 3, then extend the telescopic rods 2 at the two ends of the middle cross rod 8 of the guardrail supporting mechanism, and can be just clamped above the horseshoes of the two prefabricated T beams.
4) The transverse sliding device of the tensioning and hoisting mechanism and the sliding hook 15 can move the jack left and right to and fro for tensioning operation.
5) The hoisting cross rod 4 and the hoisting longitudinal rod 12 are fixed by bolts 11 and can mutually rotate and twist, and can be folded up and down along with the hogging moment stretching operation platform, and meanwhile, the hoisting cross rod and the hoisting longitudinal rod can also be used as safety protection.
6) The guardrail supporting mechanism and the standing platform are hinged and fixed through eight hinges 10, so that the hogging moment stretching operation platform can be symmetrically folded and can be folded up and down.
7) After the hogging moment tensioning operation is finished, the middle cross rod 8 of the guardrail supporting mechanism is shortened, an operator climbs to the bridge deck, the hogging moment tensioning operation platform is folded up and down, and then the hogging moment tensioning operation platform is transversely rotated for ninety degrees to lift out a wet joint and then is transferred to the next operation point.
Claims (10)
1. A hogging moment stretch-draw operation platform, characterized by: the operation platform comprises a guardrail supporting mechanism, a tensioning and hoisting mechanism and a standing platform, wherein the tensioning and hoisting mechanism is arranged right above the standing platform, two groups of guardrail supporting mechanisms are identical, and the guardrail supporting mechanisms are respectively arranged on the left side and the right side of the tensioning and hoisting mechanism and the standing platform; the standing platform comprises standing platform cross bars (9), standing platform longitudinal bars (16), iron wire meshes (17) and hinges (10), wherein the two standing platform cross bars (9) are arranged in parallel, the standing platform longitudinal bars (16) are uniformly and vertically fixed between the two standing platform cross bars (9) to form a rectangular platform, the iron wire meshes (17) are fixedly arranged on the platform, and the hinges (10) are uniformly and symmetrically arranged on the two standing platform cross bars (9); each group of guardrail supporting mechanism comprises a supporting upright rod (3), a long upright rod (5), a short upright rod (7), a cross rod (6), a middle cross rod (8), telescopic rods (2) and a fixed hook (1), wherein the cross rod (6) penetrates through the supporting upright rod (3) to be fixed with the long upright rod (5) to form a rectangular guardrail, the supporting upright rod (3) and the short upright rod (7) are uniformly fixed between the upper cross rod (6) and the lower cross rod (6), the telescopic rods (2) are arranged in the supporting upright rod (3), the fixed hook (1) is fixed at the top of each telescopic rod (2) in the corresponding supporting upright rod (3), the middle cross rod (8) is fixed at the middle position of the guardrail, the telescopic rods (2) are arranged in the two ends of the middle cross rod (8), and the guardrail supporting mechanism and a standing platform are hinged and fixed through hinges (10); the tensioning hoisting mechanism comprises hoisting cross rods (4), hoisting longitudinal rods (12), pulley blocks (13), parallel rod pieces (14) and sliding hooks (15), the hoisting cross rods (4) and the corresponding hoisting longitudinal rods (12) can rotate and twist, the hoisting cross rods (4) and the hoisting longitudinal rods (12) are fixed to form a rectangular hoisting platform, the pulley blocks (13) and the parallel rod pieces (14) form a transverse sliding device and are embedded between the two hoisting cross rods (4), the sliding hooks (15) are clamped above the two parallel rod pieces (14), and the hoisting cross rods (4) and the hoisting longitudinal rods (12) of the tensioning hoisting mechanism are fixed on supporting vertical rods (3) of the two groups of guardrail supporting mechanisms.
2. A hogging moment stretching operation platform according to claim 1, wherein: the standing platform comprises two standing platform cross bars (9), six standing platform longitudinal bars (16) and eight hinges (10), wherein the six standing platform longitudinal bars (16) are uniformly fixed between the two standing platform cross bars (9), and the eight hinges (10) are symmetrically arranged on the two standing platform cross bars (9).
3. A hogging moment stretching operation platform according to claim 1, wherein: the standing platform cross bar (9) is made of galvanized square tubes with the diameter of B60mm multiplied by 40mm multiplied by 3mm, the standing platform longitudinal bar (16) is made of galvanized square tubes with the diameter of B60mm multiplied by 40mm multiplied by 3mm, the specification of the iron wire net piece (17) is 30mm, and the iron wire with the diameter of 3mm is used for making.
4. A hogging moment stretching operation platform according to claim 1, wherein: the tensioning hoisting mechanism comprises two hoisting cross rods (4), two hoisting longitudinal rods (12), two pulley blocks (13), two parallel rod pieces (14) and a sliding hook (15), wherein the two hoisting cross rods (4) and the corresponding two hoisting longitudinal rods (12) are fixed by bolts (11) to form a rectangular hoisting platform, the two pulley blocks (13) and the two parallel rod pieces (14) form a transverse sliding device, the transverse sliding device is embedded between the two hoisting cross rods (4), the sliding hook (15) slides along the length direction of the hoisting cross rods (4) and is clamped above the two parallel rod pieces (14), and the sliding hook (15) slides along the length direction of the parallel rod pieces (14).
5. A hogging moment stretching operation platform according to claim 1, wherein: the hoisting cross rod (4) is made of 5cm I-steel, and the two ends of the hoisting cross rod are wrapped by galvanized steel sheets; the hoisting longitudinal rod (12) is manufactured by adopting galvanized square pipes with the length of B40mm multiplied by 20mm multiplied by 2 mm; the parallel bars (14) can be made of 3cm channel steel.
6. A hogging moment stretching operation platform according to claim 1, wherein: the sliding hook (15) is manufactured by welding an HRB400 smooth round steel bar with phi=12 mm and two pulleys.
7. A hogging moment stretching operation platform according to claim 1, wherein: each group of guardrail supporting mechanism include two fixed hooks (1), four telescopic links (2), two support pole setting (3), two long pole setting (5), two short pole setting (7), two horizontal poles (6), horizontal pole (8) in one, parallel arrangement about two horizontal poles (6), two horizontal poles (6) pass two support pole setting (3) perpendicularly and respectively with two long pole setting (5) welded fastening form rectangular guardrail, two support pole setting (3) and two short pole setting (7) parallel arrangement and even welded fastening between two upper and lower horizontal poles (6), two short pole setting (7) are located two support pole setting (3) outsides, two support pole setting (3) respectively install telescopic link (2), two fixed hooks (1) are welded respectively at the telescopic link (2) top of two installation in support pole setting (3), well horizontal pole (8) and two parallel arrangement and welded fastening in guardrail intermediate position, two telescopic link (2) are installed in two both ends in guardrail (8).
8. A hogging moment stretching operation platform according to claim 1, wherein: the fixed hook (1) is made of an HRB400 smooth round steel bar with phi=16mm.
9. A hogging moment stretching operation platform according to claim 1, wherein: the supporting vertical rod (3) and the middle cross rod (8) are made of galvanized square pipes with the length of B60mm multiplied by 40mm multiplied by 3mm, and the telescopic rod (2) is made of galvanized square pipes with the length of B58mm multiplied by 38mm multiplied by 3mm.
10. A hogging moment stretching operation platform according to claim 1, wherein: the cross rod (6), the long vertical rod (5) and the short vertical rod (7) are all made of galvanized square tubes with the length of B40mm multiplied by 20mm multiplied by 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322248795.5U CN220847107U (en) | 2023-08-21 | 2023-08-21 | Hogging moment stretch-draw operation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322248795.5U CN220847107U (en) | 2023-08-21 | 2023-08-21 | Hogging moment stretch-draw operation platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220847107U true CN220847107U (en) | 2024-04-26 |
Family
ID=90739098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322248795.5U Active CN220847107U (en) | 2023-08-21 | 2023-08-21 | Hogging moment stretch-draw operation platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220847107U (en) |
-
2023
- 2023-08-21 CN CN202322248795.5U patent/CN220847107U/en active Active
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