CN220352620U - Prefabricated case roof slab door type muscle and pinion rack stirrup location installation device - Google Patents
Prefabricated case roof slab door type muscle and pinion rack stirrup location installation device Download PDFInfo
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- CN220352620U CN220352620U CN202321720331.3U CN202321720331U CN220352620U CN 220352620 U CN220352620 U CN 220352620U CN 202321720331 U CN202321720331 U CN 202321720331U CN 220352620 U CN220352620 U CN 220352620U
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- 238000009434 installation Methods 0.000 title claims description 5
- 210000003205 muscle Anatomy 0.000 title claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 4
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 description 17
- 238000010276 construction Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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Abstract
The utility model relates to a prefabricated box girder top plate door-type rib and toothed plate stirrup positioning and mounting device, which comprises door-type ribs, toothed plate stirrups, top plate stirrups, a first positioning piece, a second positioning piece, a third positioning piece, a first limiting piece, a second limiting piece and an operation platform; the first positioning piece, the second positioning piece and the third positioning piece are all vertically welded on the operation platform; the door-shaped rib is fixed on the operation platform through the first positioning piece, the second positioning piece and the third positioning piece; the top plate stirrup is fixed at the top of the door-shaped rib through a second positioning piece; the toothed plate stirrup is fixed at the top of the top plate stirrup through a third positioning piece; the first limiting piece is welded on one long side edge of the operation platform; the second limiting piece is welded on one wide side edge of the operation platform. The utility model can effectively ensure the exposed heights, the spacing and the linearity of the door-shaped ribs of different sections of the top plate of the box girder, can ensure the precise arrangement spacing size of the toothed plate stirrups and the top plate stirrups, can ensure the stress of the whole net by staggered points, can increase the rigidity and reduce the deformation.
Description
Technical Field
The utility model relates to the technical field of box girder prefabrication construction, in particular to a positioning and mounting device for door-shaped ribs and toothed plate stirrups of a top plate of a prefabricated box girder.
Background
In recent years, with the rapid development of construction engineering, the construction technology of the engineering is innovated continuously, the construction of bridge engineering is more and more emphasized, and the box girder is an important component part in modern bridges, so that the quality control of the box girder needs to be enhanced, and the quality of the bridge engineering is better ensured. In actual operation, the stirrup is not evenly spaced, the height control of the embedded bars is not tight and the thickness of the top plate stirrup protection layer is poor easily caused by inaccurate positioning arrangement of the stirrups, so that the bearing performance of the box girder is influenced, and therefore, in order to better ensure the engineering quality, the quality control is required to be further enhanced, the construction process is strictly controlled, the engineering quality is better ensured, and the construction and development of highway engineering are further promoted.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and adapt to the actual needs, and provides a positioning and mounting device for door-shaped ribs and toothed plate stirrups of a top plate of a prefabricated box girder.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:
the utility model provides a prefabricated case roof door type muscle and pinion rack stirrup location installation device, includes door type muscle, pinion rack stirrup, roof stirrup, first setting element, second setting element, third setting element, first locating element, second locating element and operation platform;
the operation platform is of a rectangular long plate structure;
the first positioning piece, the second positioning piece and the third positioning piece are respectively and vertically welded on the operation platform;
the door-shaped rib is fixed on the operation platform through the first positioning piece, the second positioning piece and the third positioning piece;
the top plate stirrup is fixed at the top of the door-shaped rib through the second positioning piece;
the toothed plate stirrup is fixed at the top of the top plate stirrup through the third positioning piece;
the first limiting piece is welded on one long side edge of the operation platform, and the first limiting piece and the top plate stirrup are arranged in parallel;
the second limiting piece is welded on one wide side edge of the operating platform, the second limiting piece abuts against one end of the top plate stirrup, the second limiting piece is perpendicular to the first limiting piece, and the second limiting piece is perpendicular to the top plate stirrup.
The utility model is suitable for the integral welding of the door-shaped ribs, the toothed plate stirrups and the top plate stirrups and the integral welding of the door-shaped ribs and the top plate stirrups, can effectively ensure the exposed heights, the spacing and the linearity of the door-shaped ribs of different sections of the top plate of all the box girders, can ensure the precise arrangement spacing and the dimension of the toothed plate stirrups and the top plate stirrups, can ensure the stress of the whole net at staggered points, can increase the rigidity and reduce the deformation.
Preferably, a plurality of supporting legs are arranged at the bottom of the operation platform, and the supporting legs are H-shaped steel.
Preferably, the first positioning piece, the second positioning piece, the third positioning piece, the first limiting piece, the second limiting piece and the operation platform are manufactured by processing plastic steel templates or steel templates, channel steel, square steel and angle iron steel.
Preferably, the first positioning piece, the second positioning piece and the third positioning piece are all of an L-shaped plate structure.
Preferably, the door-shaped ribs are provided in plurality, and two sides of each door-shaped rib are respectively provided with a first positioning piece.
Preferably, the first positioning pieces on two sides of the door rib are arranged in a manner of opposite outer angles, opposite inner angles or opposite outer angles and inner angles.
Preferably, three toothed plate stirrups are provided.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model is suitable for the integral welding of the door-shaped ribs, the toothed plate stirrups and the top plate stirrups and the integral welding of the door-shaped ribs and the top plate stirrups, can effectively ensure the exposed heights, the spacing and the linearity of the door-shaped ribs of different sections of the top plate of all the box girders, can ensure the precise arrangement spacing and the dimension of the toothed plate stirrups and the top plate stirrups, can ensure the stress of the whole net at staggered points, can increase the rigidity and reduce the deformation.
2. According to the utility model, the top plate stirrup is arranged on the door-shaped rib, so that the secondary procedure of arranging the door-shaped rib is reduced, and the problem of treading the top plate stirrup during the installation of the door-shaped rib is effectively avoided.
3. The utility model has the advantages of simple structure, easy operation, high flexibility, good economy, high safety and guaranteed construction quality, can be widely applied to the construction process of the top plate stirrups of various prefabricated box girders, and has remarkable benefit.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a prefabricated box girder roof door tendon and toothed plate stirrup positioning and mounting device according to the present utility model;
FIG. 2 is a schematic elevational view of the apparatus of the present utility model;
fig. 3 is a schematic top view of the device of the present utility model.
The reference numerals in the figures illustrate:
1. a gate-type rib; 2. toothed plate stirrups; 3. a roof stirrup; 4. a first positioning member; 5. a second positioning member; 6. a third positioning member; 7. a first limiting member; 8. a second limiting piece; 9. an operating platform; 10. and (5) supporting legs.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
example 1
As shown in fig. 1-3, the embodiment provides a prefabricated box girder top plate door type rib and toothed plate stirrup positioning and installing device, which comprises a door type rib 1, a toothed plate stirrup 2, a top plate stirrup 3, a first positioning piece 4, a second positioning piece 5, a third positioning piece 6, a first limiting piece 7, a second limiting piece 8 and an operation platform 9.
As shown in fig. 1-3, and specifically referring to the orientation of fig. 1, the operation platform 9 of the present embodiment is a rectangular long plate structure; the first positioning piece 4, the second positioning piece 5, the third positioning piece 6, the first limiting piece 7, the second limiting piece 8 and the operation platform 9 are manufactured by processing plastic steel templates or steel templates, channel steel, square steel and angle iron steel; the first positioning piece 4, the second positioning piece 5, the third positioning piece 6 and the first limiting piece 7 are all of L-shaped plate structures, and the second limiting piece 8 is of U-shaped plate structures; the first positioning piece 4 can be vertically welded on the operation platform 9 according to the transverse interval size of the design drawing of the door-shaped rib 1; the third positioning piece 6 can be welded on the operation platform 9 according to the position and the size of the design drawing of the toothed plate stirrup 2; the second positioning piece 5 can be welded on the operation platform 9 according to the design drawing size of the top plate stirrup 3; the positions of the first limiting piece 7 and the first positioning piece 4 can be adjusted and processed according to the position size of the design drawing of the door rib 1;
the door-shaped ribs 1 of the embodiment are provided with three, each door-shaped rib 1 is fixed on the operation platform 9 through a first positioning piece 4, a second positioning piece 5 and a third positioning piece 6, and as shown in fig. 3, the arrangement mode of the first positioning pieces 4 on two sides of the door-shaped rib 1 of the embodiment comprises an external angle opposite arrangement A, an internal angle opposite arrangement B or an external angle opposite arrangement C;
the top plate stirrup 3 is fixed at the top of the door-shaped stirrup 1 through a second positioning piece 5; three toothed plate stirrups 2 are arranged, and the toothed plate stirrups 2 are fixed at the top of the top plate stirrups 3 through third positioning pieces 6;
the first limiting piece 7 is welded on one long side edge of the operation platform 9, and the first limiting piece 7 is arranged in parallel with the top plate stirrup 3; the second limiting piece 8 is welded on a wide side edge of the operating platform 9, the second limiting piece 8 abuts against one end of the top plate stirrup 3, the second limiting piece 8 is perpendicular to the first limiting piece 7, and the second limiting piece 8 is perpendicular to the top plate stirrup 3.
As shown in fig. 1, the bottom of the operation platform 9 of the present embodiment is provided with a plurality of legs 10, and the legs 10 are H-shaped steel.
Working principle: 1-3, before welding a jig frame, selecting on-site applicable materials for blanking processing of an operation platform 9, a supporting leg 10 and a limiting positioning fixture, firstly welding a second limiting part 8 and a first limiting part 7 on the operation platform 9, then designing the type size positions of a door-shaped rib 1, a toothed plate stirrup 2 and a top plate stirrup 3, and marking the positioning positions on the operation platform 9 by the ruler quantity;
as shown in fig. 3, according to the marking of the positioning position on the operation platform 9 by the ruler, the positioning card welding is performed on the operation platform 9, wherein the first positioning piece 4, the second positioning piece 5 and the third positioning piece 6 can position the top plate stirrup 3 in the figure, so that the alignment and the strength of the processed top plate stirrup 3 are ensured; the height of the first positioning piece 4 can be controlled to be 5cm-8cm, and the first positioning piece can be vertically welded on the operation platform 9 in a mode of arranging an external angle A, an internal angle B or an external angle C in a relative manner;
as shown in fig. 3, the length of the third positioning piece 6 is controlled to be 8cm-10cm, and the second positioning piece 5 and the third positioning piece 6 need to pay attention to the type of the top plate stirrup 3 to avoid collision during welding;
as shown in FIG. 1, the leg 10 is controllable according to the height of the welder, typically 60cm-80 cm.
As shown in fig. 2, when the tooth plate stirrup 2+door-shaped rib 1 is processed, firstly, the door-shaped rib 1 is placed at the lowest layer, the top plate stirrup 3 is placed at the second layer, one side of the top plate stirrup 3 is propped against the top plate stirrup 3, then welding is carried out, finally, the tooth plate stirrup 2 is placed at the upper layer of the top plate stirrup 3 according to three stirrups in the middle of two sides, then welding is carried out, and the next group of welding is carried out after the welding is finished;
when the combination of the top plate reinforcing steel bar 3 and the door-shaped reinforcing steel bar 1 is adopted, the door-shaped reinforcing steel bar 1 is firstly placed at the lowest layer, the top plate stirrup 3 is placed at the second layer, one side of the top plate stirrup 3 is propped against the second limiting piece 8, then welding is carried out, and after the welding is finished, the top plate stirrup is taken out for carrying out the next group of welding.
The utility model is suitable for the integral welding of the door-shaped rib 1, the toothed plate stirrup 2 and the top plate stirrup 3 and the integral welding of the door-shaped rib 1 and the top plate stirrup 3, can effectively ensure the exposed height, the spacing and the line shape of the door-shaped ribs 1 of different sections of all the box girder top plates, can ensure the precise arrangement spacing and the dimension of the toothed plate stirrup 2 and the top plate stirrup 3, can ensure the whole net stress at staggered points, can increase the rigidity and reduce the deformation.
The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.
Claims (7)
1. The utility model provides a prefabricated case roof beam door type muscle and pinion rack stirrup location installation device which characterized in that: the device comprises a door-shaped rib (1), a toothed plate stirrup (2), a top plate stirrup (3), a first positioning piece (4), a second positioning piece (5), a third positioning piece (6), a first limiting piece (7), a second limiting piece (8) and an operation platform (9);
the operation platform (9) is of a rectangular long plate structure;
the first positioning piece (4), the second positioning piece (5) and the third positioning piece (6) are respectively and vertically welded on the operation platform (9);
the door-shaped rib (1) is fixed on the operation platform (9) through the first positioning piece (4), the second positioning piece (5) and the third positioning piece (6);
the top plate stirrup (3) is fixed at the top of the door-shaped rib (1) through the second positioning piece (5);
the toothed plate stirrup (2) is fixed at the top of the top plate stirrup (3) through the third positioning piece (6);
the first limiting piece (7) is welded on one long side edge of the operation platform (9), and the first limiting piece (7) and the top plate stirrup (3) are arranged in parallel;
the second limiting piece (8) is welded on one wide side edge of the operating platform (9), the second limiting piece (8) abuts against one end of the top plate stirrup (3), the second limiting piece (8) is perpendicular to the first limiting piece (7), and the second limiting piece (8) is perpendicular to the top plate stirrup (3).
2. The positioning and mounting device for door-shaped ribs and toothed plate stirrups of a top plate of a precast box girder according to claim 1, wherein the positioning and mounting device is characterized in that: the bottom of the operation platform (9) is provided with a plurality of supporting legs (10), and the supporting legs (10) are H-shaped steel.
3. The positioning and mounting device for door-shaped ribs and toothed plate stirrups of a top plate of a precast box girder according to claim 1, wherein the positioning and mounting device is characterized in that: the first locating piece (4), the second locating piece (5), the third locating piece (6), the first limiting piece (7), the second limiting piece (8) and the operation platform (9) are manufactured by processing plastic steel templates or steel templates, channel steel, square steel and angle iron steel.
4. The positioning and mounting device for door-shaped ribs and toothed plate stirrups of a top plate of a precast box girder according to claim 3, wherein the positioning and mounting device is characterized in that: the first positioning piece (4), the second positioning piece (5) and the third positioning piece (6) are all L-shaped plate structures.
5. The positioning and mounting device for door-shaped ribs and toothed plate stirrups of a top plate of a precast box girder according to claim 4, wherein the positioning and mounting device is characterized in that: the door-shaped ribs (1) are provided with a plurality of first positioning pieces (4) respectively arranged on two sides of each door-shaped rib (1).
6. The positioning and mounting device for door-shaped ribs and toothed plate stirrups of a top plate of a precast box girder according to claim 5, wherein the positioning and mounting device is characterized in that: the first positioning pieces (4) on two sides of the door-shaped rib (1) are arranged in a manner of being arranged oppositely by outer corners, inner corners or an outer corner and an inner corner.
7. The positioning and mounting device for door-shaped ribs and toothed plate stirrups of a top plate of a precast box girder according to claim 1, wherein the positioning and mounting device is characterized in that: the toothed plate stirrup (2) is provided with three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321720331.3U CN220352620U (en) | 2023-07-03 | 2023-07-03 | Prefabricated case roof slab door type muscle and pinion rack stirrup location installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321720331.3U CN220352620U (en) | 2023-07-03 | 2023-07-03 | Prefabricated case roof slab door type muscle and pinion rack stirrup location installation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220352620U true CN220352620U (en) | 2024-01-16 |
Family
ID=89505925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321720331.3U Active CN220352620U (en) | 2023-07-03 | 2023-07-03 | Prefabricated case roof slab door type muscle and pinion rack stirrup location installation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220352620U (en) |
-
2023
- 2023-07-03 CN CN202321720331.3U patent/CN220352620U/en active Active
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