CN210763960U - Diagonal prestressed reinforcement type crane crossbeam - Google Patents
Diagonal prestressed reinforcement type crane crossbeam Download PDFInfo
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- CN210763960U CN210763960U CN201921019887.3U CN201921019887U CN210763960U CN 210763960 U CN210763960 U CN 210763960U CN 201921019887 U CN201921019887 U CN 201921019887U CN 210763960 U CN210763960 U CN 210763960U
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Abstract
The utility model relates to a draw prestressing force strengthening rib formula hoist crossbeam to one side has the crossbeam roof beam body, its characterized in that: the internal 1 group, 2 groups or multiunit prestressing force strengthening ribs that are equipped with of crossbeam roof beam, every prestressing force strengthening rib of group comprises 2 prestressing force strengthening ribs, is located the cross section of crossbeam roof beam body, and 2 prestressing force strengthening rib slant symmetry set up, and the both ends and the crossbeam roof beam body of prestressing force strengthening rib are fixed.
Description
Technical Field
The utility model relates to a draw prestressing force strengthening rib formula hoist crossbeam to one side.
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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a draw prestressing force rib formula crane crossbeam to one side can effectively improve the intensity of crane crossbeam.
The technical scheme for realizing the purpose of the utility model is as follows:
the utility model provides a draw structural formula crane crossbeam to one side, has the crossbeam roof beam body, its characterized in that: the internal 1 group, 2 groups or multiunit prestressing force additional strengthening that are equipped with of crossbeam roof beam, every prestressing force additional strengthening of group comprises 2 prestressing force additional strengthening, is located the cross section of crossbeam roof beam body, and 2 prestressing force additional strengthening slant symmetries set up, and prestressing force additional strengthening's both ends are fixed with the crossbeam roof beam body.
Further, the planes of the groups of prestressed reinforcement structures are parallel to each other.
Furthermore, in each group of prestress reinforcing structures, the upper ends of the two prestress reinforcing structures are fixed with the upper part of the side surface of the beam body of the crossbeam through a prestress tensioning device, and the upper part of the side surface of the beam body of the crossbeam is correspondingly provided with a connecting hole.
Furthermore, in each group of 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 prestress tensioning device, and the bottom of the beam body of the cross beam is correspondingly provided with a connecting hole.
Furthermore, the two prestress reinforcing structures are integrated, penetrate through the pulling plate and are folded into a V shape to form the 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 the pulling plate, a backing plate is arranged below the bottom of the beam body of the cross beam, the pulling plate, the bottom of the beam body of the cross beam and the backing plate are fixed through a prestress tensioning device, and connecting holes are correspondingly formed in the pulling plate, the bottom of the beam body of the cross beam and the backing plate.
Furthermore, the two prestress reinforcing structures are integrated, penetrate through the pulling plate and are folded into a V shape to form the 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 the pulling plate, and the pulling plate and the bottom of the beam body of the cross beam are welded and fixed.
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 utility model discloses beneficial effect who has:
the utility model discloses the internal 1 group, 2 groups or multiunit prestressing force additional strengthening that are equipped with of crossbeam roof beam, every prestressing force additional strengthening of group comprises 2 prestressing force additional strengthening, is located the cross section of the crossbeam roof beam body, and 2 prestressing force additional strengthening slant symmetries set up, and prestressing force additional strengthening's both ends are fixed with the crossbeam roof beam body. The utility model discloses an arrange the prestressing force additional strengthening that 2 slants set up in the crossbeam roof beam body, can effectively improve the intensity of the crossbeam roof beam body, when increasing the crossbeam span, need not increase crossbeam longitudinal section, the crossbeam roof beam body still can satisfy the strength requirement, makes things convenient for the crossbeam to reform transform, effective reduce cost.
In each group of the prestress reinforcing structures of the utility model, the upper ends of two prestress reinforcing structures are fixed with the upper part of the side surface of the beam body of the crossbeam through the prestress tensioning device, and the upper part of the side surface of the beam body of the crossbeam is correspondingly provided with a connecting hole; in each group of prestress reinforcing structures, the lower ends of two prestress reinforcing structures are fixed with the bottom of a beam body of the cross beam through a prestress tensioning device, and the bottom of the beam body of the cross beam is correspondingly provided with a connecting hole; the two prestress reinforcing structures are integrated, penetrate through the pulling plate and are folded into a V shape to form the 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 the pulling plate, a backing plate is arranged below the bottom of the beam body of the cross beam, and the pulling plate, the bottom of the beam body of the cross beam and the backing plate are fixed or welded and fixed through a prestress tensioning device. The utility model discloses an above-mentioned fixed knot constructs, has guaranteed the reliability of being connected of prestressing force strengthening rib and the crossbeam roof beam body, and then effectively guarantees crossbeam roof beam body intensity.
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 ribs is provided in the cross beam body 1, the set of prestressed reinforcement ribs is composed of 2 prestressed reinforcement structures 3, and is located on the cross section of the cross beam body 1 (i.e., on the illustrated cross section), the 2 prestressed reinforcement structures 3 are arranged in an oblique symmetrical manner, and two ends of the prestressed reinforcement structures 3 are fixed to the cross beam body 1. In this embodiment, the prestressed reinforcement structure 3 is a prestressed reinforcing bar. In the group of prestress reinforcing structures, the upper ends of two prestress reinforcing structures 3 are fixed with the upper part of the side surface of the beam body 1 through tensioning bolts 2, and the upper part of the side surface of the beam body 1 is correspondingly provided with a connecting hole. In the group of prestress reinforcing structures, the lower ends of two prestress reinforcing ribs are fixed with the bottom of the beam body 1 of the cross beam through tensioning bolts, and the bottom of the beam body 1 of the cross beam is correspondingly provided with connecting holes. In specific implementation, the two prestressed reinforcing ribs are integrated (namely, formed by one prestressed reinforcing rib), and the prestressed reinforcing ribs penetrate through the pulling plate 6 and are folded into a V shape to form the 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 pulling plate 6, the bottom of the beam body of the cross beam is provided with the backing plate 4 below, the pulling plate 6, the bottom of the beam body of the cross beam 1 and the backing plate 4 are fixed through the tension bolt 5, and the pulling plate 6, the bottom of the beam body of the cross beam 1 and the backing plate 4 are correspondingly provided with connecting holes. The pulling plate 6, the bottom of the beam body 1 and the backing plate 4 can also be fixed by welding. The pulling plate 6 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, and in the embodiment, the pulling plate 6 is a short pulling plate.
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 two groups of prestressed reinforcement structures are parallel to each other. The rest of the structure is the same as the first embodiment.
Claims (9)
1. The utility model provides a draw prestressing force stiffener formula hoist crossbeam to one side has the crossbeam roof beam body, its characterized in that: the internal 1 group, 2 groups or multiunit prestressing force additional strengthening that are equipped with of crossbeam roof beam, every prestressing force additional strengthening of group comprises 2 prestressing force additional strengthening, is located the cross section of crossbeam roof beam body, and 2 prestressing force additional strengthening slant symmetries set up, and prestressing force additional strengthening's both ends are fixed with the crossbeam roof beam body.
2. The diagonal prestressed reinforcement beam of claim 1, wherein: the planes of the groups of prestress reinforcing structures are parallel to each other.
3. The diagonal prestressed reinforcement beam of claim 2, wherein: in each group of prestress reinforcing structures, the upper ends of the two prestress reinforcing structures are fixed with the upper part of the side surface of the beam body of the crossbeam through a prestress tensioning device, and the upper part of the side surface of the beam body of the crossbeam is correspondingly provided with a connecting hole.
4. The diagonal prestressed reinforcement beam of claim 3, wherein: in each group of 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 prestress tensioning device, and the bottom of the beam body of the cross beam is correspondingly provided with a connecting hole.
5. The diagonal prestressed reinforcement beam of claim 4, wherein: the two prestress reinforcing structures are integrated, penetrate through the pulling plate and are folded into a V shape to form the 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 the pulling plate, a backing plate is arranged below the bottom of the beam body of the cross beam, the pulling plate, the bottom of the beam body of the cross beam and the backing plate are fixed through a prestress tensioning device, and connecting holes are correspondingly formed in the pulling plate, the bottom of the beam body of the cross beam and the backing plate.
6. The diagonal prestressed reinforcement beam of claim 4, wherein: the two prestress reinforcing structures are integrated, penetrate through the pulling plate and are folded into a V shape to form the 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 the pulling plate, and the pulling plate and the bottom of the beam body of the cross beam are welded and fixed.
7. A cable-stayed prestressed reinforcement type crane beam according to any one of claims 1 to 6, characterized in that: the prestress reinforcing structure is a prestress reinforcing rib.
8. A cable-stayed prestressed reinforcement type crane beam according to claim 4 or 5, characterized in that: the prestress tension device is a tension bolt.
9. The diagonal prestressed reinforcement beam of claim 5, 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 |
|---|---|---|---|
| CN201921019887.3U CN210763960U (en) | 2019-06-25 | 2019-06-25 | Diagonal prestressed reinforcement type crane crossbeam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921019887.3U CN210763960U (en) | 2019-06-25 | 2019-06-25 | Diagonal prestressed reinforcement type crane crossbeam |
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| Publication Number | Publication Date |
|---|---|
| CN210763960U true CN210763960U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921019887.3U Active CN210763960U (en) | 2019-06-25 | 2019-06-25 | Diagonal prestressed reinforcement type crane crossbeam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210763960U (en) |
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2019
- 2019-06-25 CN CN201921019887.3U patent/CN210763960U/en active Active
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