CN112125145A - Diagonal prestressed reinforcement type crane crossbeam - Google Patents
Diagonal prestressed reinforcement type crane crossbeam Download PDFInfo
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- CN112125145A CN112125145A CN201910593250.3A CN201910593250A CN112125145A CN 112125145 A CN112125145 A CN 112125145A CN 201910593250 A CN201910593250 A CN 201910593250A CN 112125145 A CN112125145 A CN 112125145A
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- reinforcing structure
- prestress reinforcing
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- 230000002787 reinforcement Effects 0.000 title abstract description 48
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 189
- 238000005728 strengthening Methods 0.000 claims description 4
- 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
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
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Abstract
The invention relates to a diagonal prestressed reinforcement rib type crane crossbeam, wherein 1 group, 2 groups or a plurality of groups of prestressed reinforcement ribs are arranged in a crossbeam body, each group of prestressed reinforcement ribs consists of 6 prestressed reinforcement ribs and is positioned on the cross section of the crossbeam body, a first prestressed reinforcement rib and a second prestressed reinforcement rib are obliquely and symmetrically arranged, a third prestressed reinforcement rib and a fourth prestressed reinforcement rib are obliquely and symmetrically arranged, the lower ends of the first prestressed reinforcement rib and the second prestressed reinforcement rib are fixedly connected, the lower end of the third prestressed reinforcement rib is connected with the lower end of the first prestressed reinforcement rib through a transversely arranged fifth reinforcement rib, and the lower end of the fourth prestressed reinforcement rib is connected with the lower end of the second prestressed reinforcement rib through a transversely arranged sixth reinforcement rib; the upper ends of the first prestressed reinforcing rib to the fourth prestressed reinforcing rib are respectively fixed with the upper part of the side surface of the beam body of the cross beam; and the fifth prestressed reinforcing rib and the sixth prestressed reinforcing rib are fixed with the bottom of the beam body of the cross beam.
Description
Technical Field
The invention relates to a diagonal prestressed reinforcement beam of a crane.
Background
The crane is also called a traveling crane, a gantry crane and a crown block, and is indispensable hoisting equipment in factories. In use, the span of the crane beam cannot be too large, otherwise the beam is prone to bending. With the development of science and technology, the more the plant span is built, the more the span of the crane is required to be increased. The crane span increases, and the longitudinal section of crane crossbeam needs corresponding increase, guarantees crane crossbeam intensity. If the span of the cross beam is increased, the longitudinal section of the cross beam is not enlarged, the cross beam can sink when a heavy object is lifted by the crane, and the cross beam of the crane deforms or even breaks seriously.
Disclosure of Invention
The invention aims to provide a diagonal prestressed reinforcement type crane beam, which can effectively improve the strength of the crane beam.
The technical scheme for realizing the purpose of the invention is as follows:
the utility model provides a draw structural formula hoist crossbeam to one side, has crossbeam roof beam body (1), its characterized in that: the beam body (1) of the crossbeam is internally provided with 1 group, 2 groups or a plurality of groups of prestress reinforcing structures, each group of prestress reinforcing structures consists of 6 prestress reinforcing structures and is positioned on the cross section of the beam body (1) of the crossbeam, the device comprises a first prestress reinforcing structure (31), a second prestress reinforcing structure (32), a third prestress reinforcing structure (33) and a fourth prestress reinforcing structure (34), wherein the first prestress reinforcing structure and the second prestress reinforcing structure (32) are obliquely and symmetrically arranged, the lower ends of the first prestress reinforcing structure (31) and the second prestress reinforcing structure (32) are fixedly connected, the lower end of the third prestress reinforcing structure (33) is connected with the lower end of the first prestress reinforcing structure (31) through a transversely arranged fifth reinforcing rib (35), and the lower end of the fourth prestress reinforcing structure (34) is connected with the lower end of the second prestress reinforcing structure (32) through a transversely arranged sixth prestress reinforcing structure (36); the upper ends of the first prestress reinforcing structure (31), the second prestress reinforcing structure (32), the third prestress reinforcing structure (33) and the fourth prestress reinforcing structure (34) are respectively fixed with the upper part of the side surface of the beam body (1); the fifth prestress reinforcing structure (35) and the sixth prestress reinforcing structure (36) are fixed with the bottom of the beam body (1).
Further, the planes of the groups of prestressed reinforcement structures are parallel to each other.
Furthermore, in each group of prestress reinforcing structures, a first prestress reinforcing structure (31), a second prestress reinforcing structure (32), a third prestress reinforcing structure (33) and a fourth prestress reinforcing structure (34) are fixed with the upper part of the side surface of the beam body (1) through a prestress tensioning device (2), and the upper part of the side surface of the beam body (1) is correspondingly provided with a connecting hole.
Furthermore, in each group of prestressed reinforcement structures, a third prestressed reinforcement structure (33), a fourth prestressed reinforcement structure (34), a fifth prestressed reinforcement structure (35) and a sixth prestressed reinforcement structure (36) are integrated, the prestressed reinforcement structures penetrate through the first pulling plate (6), the second pulling plate (7) and the third pulling plate (8) and are folded into a V shape, the folded two sides form the third prestressed reinforcement structure (33) and the fourth prestressed reinforcement structure (34), the transverse edge between the first pulling plate (6) and the second pulling plate (7) forms the fifth prestressed reinforcement structure (35), and the transverse edge between the second pulling plate (7) and the third pulling plate (8) forms the sixth prestressed reinforcement structure (36); fifth prestressing force additional strengthening (35), sixth prestressing force additional strengthening (36) are fixed with crossbeam roof beam body bottom through first arm-tie (6), second arm-tie (7) and third arm-tie (8), correspondingly, crossbeam roof beam body bottom below is equipped with the backing plate, first arm-tie (6) or second arm-tie (7) or third arm-tie (8), crossbeam roof beam body bottom, the backing plate is fixed through prestressing force straining device, first arm-tie (6), second arm-tie (7) and third arm-tie (8), crossbeam roof beam body bottom, the backing plate is equipped with the connecting hole correspondingly.
Furthermore, in each group of prestressed reinforcement structures, a third prestressed reinforcement structure (33), a fourth prestressed reinforcement structure (34), a fifth prestressed reinforcement structure (35) and a sixth prestressed reinforcement structure (36) are integrated, the prestressed reinforcement structures penetrate through the first pulling plate (6), the second pulling plate (7) and the third pulling plate (8) and are folded into a V shape, the folded two sides form the third prestressed reinforcement structure (33) and the fourth prestressed reinforcement structure (34), the transverse edge between the first pulling plate (6) and the second pulling plate (7) forms the fifth prestressed reinforcement structure (35), and the transverse edge between the second pulling plate (7) and the third pulling plate (8) forms the sixth prestressed reinforcement structure (36); the fifth prestress reinforcing structure (35) and the sixth prestress reinforcing structure (36) are fixed to the bottom of the beam body of the cross beam through the first pulling plate (6), the second pulling plate (7) and the third pulling plate (8), and the first pulling plate (6), the second pulling plate (7), the third pulling plate (8) and the bottom of the beam body of the cross beam are fixedly welded.
Furthermore, the first prestress reinforcing structure (31) and the first prestress reinforcing structure (32) are integrated, and the prestress reinforcing structure penetrates through the second pulling plate (7) and is folded into a V shape to form two prestress reinforcing structures; the lower ends of the two prestress reinforcing structures are fixed with the bottom of the beam body of the cross beam through a second pulling plate (7).
Further, the prestress reinforcing structure is a prestress reinforcing rib.
Further, the prestress tension device is a tension bolt.
Further, the pulling plate is a high pulling plate or a low pulling plate; the top of the high pulling plate is connected with the top of the inner side of the beam body of the cross beam
The invention has the following beneficial effects:
the beam body (1) of the invention is internally provided with 1 group, 2 groups or a plurality of groups of prestress reinforcing structures, each group of prestress reinforcing structures consists of 6 prestress reinforcing structures and is positioned on the cross section of the beam body (1), the device comprises a first prestress reinforcing structure (31), a second prestress reinforcing structure (32), a third prestress reinforcing structure (33) and a fourth prestress reinforcing structure (34), wherein the first prestress reinforcing structure and the second prestress reinforcing structure (32) are obliquely and symmetrically arranged, the lower ends of the first prestress reinforcing structure (31) and the second prestress reinforcing structure (32) are fixedly connected, the lower end of the third prestress reinforcing structure (33) is connected with the lower end of the first prestress reinforcing structure (31) through a transversely arranged fifth reinforcing rib (35), and the lower end of the fourth prestress reinforcing structure (34) is connected with the lower end of the second prestress reinforcing structure (32) through a transversely arranged sixth prestress reinforcing structure (36); the upper ends of the first prestress reinforcing structure (31), the second prestress reinforcing structure (32), the third prestress reinforcing structure (33) and the fourth prestress reinforcing structure (34) are respectively fixed with the upper part of the side surface of the beam body (1); the fifth prestress reinforcing structure (35) and the sixth prestress reinforcing structure (36) are fixed with the bottom of the beam body (1). According to the invention, the prestress reinforcing structures are obliquely and symmetrically arranged in the beam body, and the transverse prestress reinforcing structures are arranged between the obliquely and symmetrically arranged prestress reinforcing structures, and the prestress reinforcing structures are distributed in a grid shape, so that the strength of the beam body can be effectively improved, when the span of the beam is increased, the longitudinal section of the beam is not required to be increased, the beam body can still meet the strength requirement, the beam is convenient to reform, and the cost is effectively reduced.
In each group of prestress reinforcing structures, a third prestress reinforcing structure (33), a fourth prestress reinforcing structure (34), a fifth prestress reinforcing structure (35) and a sixth prestress reinforcing structure (36) are integrated, the prestress reinforcing structures penetrate through a first pulling plate (6), a second pulling plate (7) and a third pulling plate (8) and are folded into a V shape, the folded two sides form the third prestress reinforcing structure (33) and the fourth prestress reinforcing structure (34), the transverse edge between the first pulling plate (6) and the second pulling plate (7) forms the fifth prestress reinforcing structure (35), and the transverse edge between the second pulling plate (7) and the third pulling plate (8) forms the sixth prestress reinforcing structure (36); the fifth prestress reinforcing structure (35) and the sixth prestress reinforcing structure (36) are fixed with the bottom of the beam body of the cross beam through a first pulling plate (6), a second pulling plate (7) and a third pulling plate (8), correspondingly, a backing plate is arranged below the bottom of the beam body of the cross beam, and the first pulling plate (6), the second pulling plate (7) or the third pulling plate (8), the bottom of the beam body of the cross beam and the backing plate are fixed through a prestress tensioning device or fixed through welding; the first prestress reinforcing structure (31) and the first prestress reinforcing structure (32) are integrated, and the prestress reinforcing structure penetrates through the second pulling plate (7) and is folded into a V shape to form two prestress reinforcing structures; the lower ends of the two prestress reinforcing structures are fixed with the bottom of the beam body of the cross beam through a second pulling plate (7). According to the invention, through the fixing structure, the connection reliability of the prestressed reinforcing ribs and the beam body of the cross beam is ensured, and the strength of the beam body of the cross beam is further effectively ensured.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1, 1 set of prestressed reinforcement structures is provided in the beam body 1, and in the implementation, the prestressed reinforcement structures adopt prestressed reinforcing ribs, each set of prestressed reinforcement structures is composed of 6 prestressed reinforcing ribs and is located on the cross section of the beam body 1 (i.e., on the illustrated cross section), wherein the first prestressed reinforcing ribs 31 and the second prestressed reinforcing ribs 32 are obliquely and symmetrically arranged, the third prestressed reinforcing ribs 33 and the fourth prestressed reinforcing ribs 34 are obliquely and symmetrically arranged, the lower ends of the first prestressed reinforcing ribs 31 and the second prestressed reinforcing ribs 32 are fixedly connected, the lower ends of the third prestressed reinforcing ribs 33 and the lower ends of the first prestressed reinforcing ribs 31 are connected through transversely arranged fifth reinforcing ribs 35, and the lower ends of the fourth prestressed reinforcing ribs 34 and the lower ends of the second prestressed reinforcing ribs 32 are connected through transversely arranged sixth reinforcing ribs 36; the upper ends of the first prestressed reinforcing rib 31, the second prestressed reinforcing rib 32, the third prestressed reinforcing rib 33 and the fourth prestressed reinforcing rib 34 are respectively fixed with the upper part of the side surface of the beam body 1; the fifth prestressed reinforcing rib 35 and the sixth prestressed reinforcing rib 36 are fixed to the bottom of the beam body 1. The first pre-stressed reinforcing rib 31 and the third pre-stressed reinforcing rib 33 are arranged in parallel, and the second pre-stressed reinforcing rib 32 and the fourth pre-stressed reinforcing rib 34 are arranged in parallel.
In each group of prestressed reinforcement structures, a first prestressed reinforcing rib 31, a second prestressed reinforcing rib 32, a third prestressed reinforcing rib 33 and a fourth prestressed reinforcing rib 34 are fixed with the upper part of the side surface of the beam body 1 through a tension bolt 2, and the upper part of the side surface of the beam body 1 is correspondingly provided with a connecting hole.
In each group of prestressed reinforcement structures, the third prestressed reinforcing rib 33, the fourth prestressed reinforcing rib 34, the fifth prestressed reinforcing rib 35 and the sixth prestressed reinforcing rib 36 are integrated (i.e., one prestressed reinforcing rib), the prestressed reinforcing ribs pass through the first pulling plate 6, the second pulling plate 7 and the third pulling plate 8 and are folded into a V shape, the third prestressed reinforcing rib 33 and the fourth prestressed reinforcing rib 34 are formed on the folded two sides, the fifth prestressed reinforcing rib 35 is formed on the transverse side between the first pulling plate 6 and the second pulling plate 7, and the sixth prestressed reinforcing rib 36 is formed on the transverse side between the second pulling plate 7 and the third pulling plate 8; the fifth prestressed reinforcing rib 35 and the sixth prestressed reinforcing rib 36 are fixed to the bottom of the beam body through the first pulling plate 6, the second pulling plate 7 and the third pulling plate 8, correspondingly, a backing plate is arranged below the bottom of the beam body, the first pulling plate 6, the second pulling plate 7, the third pulling plate 8, the bottom of the beam body and the backing plate are fixed through the tension bolt 5, and the first pulling plate 6, the second pulling plate 7, the third pulling plate 8, the bottom of the beam body and the backing plate are correspondingly provided with connecting holes. The first prestressed reinforcing ribs 31 and the first prestressed reinforcing ribs 32 are integrated, and the prestressed reinforcing ribs penetrate through the second pulling plate 7 and are folded into a V shape to form two prestressed reinforcing ribs; the lower ends of the two prestressed reinforcing ribs are fixed with the bottom of the beam body of the cross beam through the second pulling plate 7. The pulling plate is a high pulling plate or a low pulling plate; the top of the high pulling plate is connected with the top of the inner side of the beam body of the cross beam. In this embodiment, a short drawplate is used.
Example two:
the difference between the second embodiment and the first embodiment is that 2 groups of prestressed reinforcement structures are arranged in the beam body 1, and planes of the 2 groups of prestressed reinforcement structures are parallel to each other. The rest of the structure and the working principle are the same as those of the first embodiment.
Claims (9)
1. The utility model provides a draw structural formula hoist crossbeam to one side, has crossbeam roof beam body (1), its characterized in that: the beam body (1) is internally provided with 1 group, 2 groups or a plurality of groups of prestress reinforcing structures, each group of prestress reinforcing structures consists of 6 prestress reinforcing structures and is positioned on the cross section of the beam body (1), the device comprises a first prestress reinforcing structure (31), a second prestress reinforcing structure (32), a third prestress reinforcing structure (33) and a fourth prestress reinforcing structure (34), wherein the first prestress reinforcing structure and the second prestress reinforcing structure (32) are obliquely and symmetrically arranged, the lower ends of the first prestress reinforcing structure (31) and the second prestress reinforcing structure (32) are fixedly connected, the lower end of the third prestress reinforcing structure (33) is connected with the lower end of the first prestress reinforcing structure (31) through a transversely arranged fifth reinforcing rib (35), and the lower end of the fourth prestress reinforcing structure (34) is connected with the lower end of the second prestress reinforcing structure (32) through a transversely arranged sixth prestress reinforcing structure (36); the upper ends of the first prestress reinforcing structure (31), the second prestress reinforcing structure (32), the third prestress reinforcing structure (33) and the fourth prestress reinforcing structure (34) are respectively fixed with the upper part of the side surface of the beam body (1); the fifth prestress reinforcing structure (35) and the sixth prestress reinforcing structure (36) are fixed with the bottom of the beam body (1).
2. The cable-stayed prestressed reinforced structural crane beam as recited in claim 1, wherein: the planes of the groups of prestress reinforcing structures are parallel to each other.
3. The cable-stayed prestressed reinforced structural crane beam as recited in claim 2, wherein: in each group of prestress reinforcing structures, a first prestress reinforcing structure (31), a second prestress reinforcing structure (32), a third prestress reinforcing structure (33) and a fourth prestress reinforcing structure (34) are fixed with the upper part of the side face of the beam body (1) through a prestress tensioning device (2), and the upper part of the side face of the beam body (1) is correspondingly provided with a connecting hole.
4. The cable-stayed prestressed reinforced structural crane beam as recited in claim 3, wherein: in each group of prestress reinforcing structures, a third prestress reinforcing structure (33), a fourth prestress reinforcing structure (34), a fifth prestress reinforcing structure (35) and a sixth prestress reinforcing structure (36) are integrated, the prestress reinforcing structures penetrate through a first pulling plate (6), a second pulling plate (7) and a third pulling plate (8) and are folded into a V shape, the third prestress reinforcing structure (33) and the fourth prestress reinforcing structure (34) are formed on the folded two sides, the fifth prestress reinforcing structure (35) is formed on the transverse side between the first pulling plate (6) and the second pulling plate (7), and the sixth prestress reinforcing structure (36) is formed on the transverse side between the second pulling plate (7) and the third pulling plate (8); fifth prestressing force additional strengthening (35), sixth prestressing force additional strengthening (36) are fixed with crossbeam roof beam body bottom through first arm-tie (6), second arm-tie (7) and third arm-tie (8), correspondingly, crossbeam roof beam body bottom below is equipped with the backing plate, first arm-tie (6) or second arm-tie (7) or third arm-tie (8), crossbeam roof beam body bottom, the backing plate is fixed through prestressing force straining device, first arm-tie (6), second arm-tie (7) and third arm-tie (8), crossbeam roof beam body bottom, the backing plate is equipped with the connecting hole correspondingly.
5. The cable-stayed prestressed reinforced structural crane beam as recited in claim 3, wherein: in each group of prestress reinforcing structures, a third prestress reinforcing structure (33), a fourth prestress reinforcing structure (34), a fifth prestress reinforcing structure (35) and a sixth prestress reinforcing structure (36) are integrated, the prestress reinforcing structures penetrate through a first pulling plate (6), a second pulling plate (7) and a third pulling plate (8) and are folded into a V shape, the third prestress reinforcing structure (33) and the fourth prestress reinforcing structure (34) are formed on the folded two sides, the fifth prestress reinforcing structure (35) is formed on the transverse side between the first pulling plate (6) and the second pulling plate (7), and the sixth prestress reinforcing structure (36) is formed on the transverse side between the second pulling plate (7) and the third pulling plate (8); the fifth prestress reinforcing structure (35) and the sixth prestress reinforcing structure (36) are fixed to the bottom of the beam body of the cross beam through the first pulling plate (6), the second pulling plate (7) and the third pulling plate (8), and the first pulling plate (6), the second pulling plate (7), the third pulling plate (8) and the bottom of the beam body of the cross beam are fixedly welded.
6. The cable-stayed prestressed reinforced structural crane beam according to claim 4 or 5, wherein: the first prestress reinforcing structure (31) and the first prestress reinforcing structure (32) are integrated, and the prestress reinforcing structure penetrates through the second pulling plate (7) and is folded into a V shape to form two prestress reinforcing structures; the lower ends of the two prestress reinforcing structures are fixed with the bottom of the beam body of the cross beam through a second pulling plate (7).
7. The cable-stayed prestressed reinforced structural crane beam according to any one of claims 1 to 5, wherein: the prestress reinforcing structure is a prestress reinforcing rib.
8. The cable-stayed prestressed reinforced structural crane beam according to claim 3 or 4, wherein: the prestress tension device is a tension bolt.
9. The cable-stayed prestressed reinforced structural crane beam according to any one of claims 4 to 6, wherein: the pulling plate is a high pulling plate or a low pulling plate; the top of the high pulling plate is connected with the top of the inner side of the beam body of the cross beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910593250.3A CN112125145A (en) | 2019-06-25 | 2019-06-25 | Diagonal prestressed reinforcement type crane crossbeam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910593250.3A CN112125145A (en) | 2019-06-25 | 2019-06-25 | Diagonal prestressed reinforcement type crane crossbeam |
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| CN112125145A true CN112125145A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910593250.3A Pending CN112125145A (en) | 2019-06-25 | 2019-06-25 | Diagonal prestressed reinforcement type crane crossbeam |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1127824A (en) * | 1995-09-08 | 1996-07-31 | 周志祥 | Method for construction of transverse tension prestress concrete beam |
| CN201268916Y (en) * | 2008-01-17 | 2009-07-08 | 陈春 | Pretensioning polyline strand-arranging prestressed concrete girder |
| CN202829322U (en) * | 2012-08-15 | 2013-03-27 | 杨众 | Pre-tension method pre-stress crane beam |
| CN202829324U (en) * | 2012-08-15 | 2013-03-27 | 杨众 | Large tonnage crane beam prestressed precast component |
| CN210763959U (en) * | 2019-06-25 | 2020-06-16 | 杨双来 | Diagonal prestressed reinforcement type crane crossbeam |
-
2019
- 2019-06-25 CN CN201910593250.3A patent/CN112125145A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1127824A (en) * | 1995-09-08 | 1996-07-31 | 周志祥 | Method for construction of transverse tension prestress concrete beam |
| CN201268916Y (en) * | 2008-01-17 | 2009-07-08 | 陈春 | Pretensioning polyline strand-arranging prestressed concrete girder |
| CN202829322U (en) * | 2012-08-15 | 2013-03-27 | 杨众 | Pre-tension method pre-stress crane beam |
| CN202829324U (en) * | 2012-08-15 | 2013-03-27 | 杨众 | Large tonnage crane beam prestressed precast component |
| CN210763959U (en) * | 2019-06-25 | 2020-06-16 | 杨双来 | Diagonal prestressed reinforcement type crane crossbeam |
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