CN114105016A - Stay bar combined type lower support - Google Patents
Stay bar combined type lower support Download PDFInfo
- Publication number
- CN114105016A CN114105016A CN202111384021.4A CN202111384021A CN114105016A CN 114105016 A CN114105016 A CN 114105016A CN 202111384021 A CN202111384021 A CN 202111384021A CN 114105016 A CN114105016 A CN 114105016A
- Authority
- CN
- China
- Prior art keywords
- rod
- connecting rod
- vaulting pole
- plate
- undersetting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model provides a vaulting pole combination formula undersetting, includes the box, and the box is connected with floorbar and connecting rod through the vaulting pole, and the floorbar links together through the connecting rod, is equipped with angle adjusting device between vaulting pole and floorbar and the connecting rod, is equipped with the connecting portion of being connected with angle adjusting device on the vaulting pole. The stay bar combined type lower support is convenient to transport, install and detach and reduces the air assembly times; the support rods are made of variable-section H-shaped steel, and the middle of the web plate is hollowed, so that the weight is reduced, and the lightweight design concept is met; the ear plate III at the end part of the stay bar and the main beam are integrally designed, so that welding can be reduced, and the stress effect is better; when the support rod and the box body are installed at high altitude, the angle of the support rod can be adjusted, and the installation is convenient; the upper part of the adjusting rod is connected with the stay bar through a pin shaft, so that the danger of the stay bar tipping due to overlarge angle is prevented.
Description
Technical Field
The invention belongs to the technical field of engineering machinery, and particularly relates to a strut combined type lower support.
Background
The rotary part is an important component of the tower crane, and can complete the rotary motion of the tower crane in a working surface, thereby playing a key role in the normal work of the tower crane. Compared with other parts of the tower crane, such as a cargo boom and a balance arm, the structure of the rotary part is compact, the rotary part mainly comprises a rotary upper support, a rotary lower support, a rotary mechanism and other safety devices, and the steel structural part is the rotary upper support and the rotary lower support, can bear the upper half weight and bending moment of the whole tower crane and plays a key role in the safety work of the whole tower crane. The rotary part of the prior conventional machine type is connected by a welding type upper support and a welding type lower support through a rotary support, and can be integrally packaged, installed and transported during installation and transition. But for a large-tonnage tower crane, the welding quantity of the welding type upper support and the welding type lower support is large, welding deformation is easily caused, the installation size is difficult to control, the installation is difficult, the integral welding weight is large, and integral transportation cannot be realized.
Disclosure of Invention
The technical problem to be solved by the present invention is to overcome the above-mentioned deficiencies of the prior art, and to provide a brace rod combined type lower support with simple structure and good effect.
The invention is realized by the following technical scheme: the utility model provides a vaulting pole combination formula undersetting, includes the box, the box is connected with floorbar and connecting rod through the vaulting pole, the floorbar links together through the connecting rod, be equipped with angle adjusting device between vaulting pole and floorbar and the connecting rod, be equipped with the connecting portion of being connected with angle adjusting device on the vaulting pole.
It further comprises the following steps: the bottom beam and the connecting rod are both connected with two support rods, and the two support rods and the bottom beam or the connecting rod form a triangle.
The support rod is connected with the box body and the bottom beam through a pin shaft I, and the support rod is connected with the connecting rod through a pin shaft II.
The bottom beam and the connecting rod are connected together through a pin shaft III.
The vaulting pole is for adopting variable cross section H shaped steel, the vaulting pole includes bottom plate I, otic placode I, web, shrouding and otic placode II, bottom plate I sets up in I both sides of bottom plate, otic placode I and otic placode II set up the both ends at the vaulting pole, web and shrouding once connect between otic placode I and the otic placode II.
The side surfaces of the ear plate I and the ear plate II are respectively provided with a pasting plate I and a pasting plate II, the middle of the web plate is hollowed, and a rib plate is arranged in the middle of the ear plate II.
And the support rod is provided with an ear plate III connected with the angle adjusting device.
The angle adjusting device comprises an adjusting rod arranged among the support rod, the bottom beam and the connecting rod, and a bolt and a nut used for adjusting the support rod are arranged on the adjusting rod.
One end of the adjusting rod is arranged on the bottom beam and the connecting rod through a pin shaft, and the other end of the adjusting rod is connected with the support rod through a long round hole and a pin shaft IV.
The adjusting rod is connected with the support rod through a through hole, and the adjusting rod is connected with the support rod through a bolt.
The invention has the following advantages: the stay bar combined type lower support is convenient to transport, install and detach and reduces the air assembly times; the support rods are made of variable-section H-shaped steel, and the middle of the web plate is hollowed, so that the weight is reduced, and the lightweight design concept is met; the ear plate III at the end part of the stay bar and the main beam are integrally designed, so that welding can be reduced, and the stress effect is better; when the support rod and the box body are installed at high altitude, the angle of the support rod can be adjusted, and the installation is convenient; the upper part of the adjusting rod is connected with the stay bar through a pin shaft, so that the danger of the stay bar tipping due to overlarge angle is prevented.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a strut of the present invention;
FIG. 3 is a cross-sectional view taken along the line B-B in FIG. 2:
FIG. 4 is a schematic view of the connection of the stay bar to the adjustment bar of the present invention;
fig. 5 is an enlarged view of the structure along i in fig. 4:
in the figure: 1. the box, 2, round pin axle I, 3, vaulting pole, 4, floorbar, 5, round pin axle II, 6, connecting rod, 7, round pin axle III, 8, regulation pole, 9, round pin axle IV, 10, bolt, 31, bottom plate I, 32, otic placode I, 33, flitch I, 34, web, 35, shrouding, 36, otic placode II, 37, gusset, 38, flitch II, 39, otic placode III, 81, nut, 82, bottom plate.
Detailed Description
The stay bar combined type lower support shown in fig. 1 to 5 comprises a box body 1, wherein the box body 1 is connected with a bottom beam 4 and a connecting rod 6 through a stay bar 3, the bottom beam 4 is connected together through the connecting rod 6, an angle adjusting device is arranged between the stay bar 3 and the bottom beam 4 as well as between the stay bar 3 and the connecting rod 6, and a connecting part connected with the angle adjusting device is arranged on the stay bar 3. The base beam 4 and the connecting rod 6 are both connected with two support rods 3, and the two support rods 3 and the base beam 4 or the connecting rod 6 form a triangle. The support rod 3 is connected with the box body 1 and the bottom beam 4 through a pin shaft I2, and the support rod 3 is connected with the connecting rod 6 through a pin shaft II 5. The bottom beam 4 and the connecting rod 6 are connected together through a pin shaft III 7. The support rod combined type lower support comprises a box body, support rods, a bottom beam and a connecting rod, wherein the upper part of the box body is connected with a slewing bearing, and the lower part of the box body is connected with the support rods; the support rod is used for connecting the box body, the bottom beam and the connecting rod; the bottom beam is used for connecting the lower support with the standard joint; the connecting rod is used for connecting the bottom beams; the novel support is characterized in that the box body is connected with a bottom beam and a connecting rod through a support rod, one end of the support rod is connected to the box body through a pin shaft I, the other end of the support rod is connected with the bottom beam through a pin shaft I and a pin shaft II, the bottom beam and the connecting rod are connected with two support rods, the two support rods and the bottom beam or the connecting rod form a triangle, the connection structure is more stable, the connecting rod is connected with the bottom beam through a pin shaft III, an angle adjusting device is connected between the support rod and the bottom beam or the connecting rod, when the lower support is installed, the support rod, the bottom beam and the connecting rod can be integrally hoisted after being installed on the ground through the pin shaft, and the box body installation is carried out subsequently in the air.
The stay bar combined type lower support shown in fig. 1 to 5, the stay bar 3 is made of H-shaped steel with variable cross-section, the stay bar 3 includes a bottom plate i 31, an ear plate i 32, a web 34, a sealing plate 35 and an ear plate ii 36, the bottom plate i 31 is arranged at two sides of the bottom plate i 31, the ear plate i 32 and the ear plate ii 36 are arranged at two ends of the stay bar 3, and the web 34 and the sealing plate 35 are connected between the ear plate i 32 and the ear plate ii 36 at one time. The side surfaces of the ear plate I32 and the ear plate II 36 are respectively provided with a pasting plate I33 and a pasting plate II 38, the middle of the web plate 34 is hollowed, and a rib plate 37 is arranged in the middle of the ear plate II 36. And the support rod 3 is provided with an ear plate III 39 connected with the angle adjusting device. The support rod structure is the variable cross-section H-shaped steel spliced by plates, the bottom plate is a variable cross-section plate, the ear plate I32 and the support rod 3 main body are integrally designed, the flitch I33 is welded on two sides of the ear plate I32 and used for reinforcing the ear plate I, the web plate 34 is welded between the flitch I33 and the closing plate 35 and used for reinforcing the support rod, the lightweight design is considered, and the middle part of the web plate is hollowed; one end of the sealing plate 35 is welded to the ear plate II 36, and the other end of the sealing plate is connected with the web plate 34 and the ear plate I32 and is used for transmitting the force borne by the ear plate II 36; the ear plate II 36 is used for connecting the lower support box body 1, and the rib plate 37 is welded in the middle of the ear plate II 36 and used for supporting the ear plate II 36 and preventing water from entering the interior; the pasting plates II 38 are welded on two sides of the ear plates II 36 and used for reinforcing the ear plates II; the end ear plate I and the H-shaped steel are integrally designed, so that the lightweight design is realized, the welding can be reduced in the integral design, and the stress effect is better.
As shown in fig. 1 to 5, the angle adjusting device includes an adjusting rod 8 disposed between the brace 3 and the bottom beam 4 and the connecting rod 6, and the adjusting rod 8 is provided with a bolt 10 and a nut 81 for adjusting the brace 3. One end of the adjusting rod 8 is fixed on the bottom beam 4 and the connecting rod 6 through a pin shaft, and the other end of the adjusting rod 8 is connected with the support rod 3 through a long round hole and a pin shaft IV 9. One end of the adjusting rod 8 connected with the stay bar 3 is provided with a bottom plate 82, the bottom plate 82 is provided with a through hole for connecting a nut 81, and the bolt 10 is matched with the nut 81 for use. The angle adjusting device is an adjusting rod arranged between a stay bar and a bottom beam or a connecting rod, the adjusting rod is connected to the upper portion of the bottom beam or the connecting rod through a pin shaft, the upper portion of the adjusting rod is connected with a stay bar welding lug plate III through a pin shaft IV, a hole formed by connecting the adjusting rod and the lug plate III is a long hole so as not to affect adjustment of the angle of the stay bar, a nut needs to be welded at a through hole of a bottom plate of the adjusting rod, the angle of the stay bar can be adjusted through tightness of a bolt at the moment, and the adjusting rod is connected with the stay bar through the pin shaft IV, so that the risk that the stay bar is overturned due to overlarge angle can be prevented.
The lower support adopts a strut combined structure, and the lower support adopts the strut combined structure, so that the lower support is convenient to transport, install and disassemble; the stay bar is made of variable cross-section H-shaped steel, and if the stay bar is made of conventional H-shaped steel, the stay bar has the conditions of insufficient strength or material waste and the like; the lug plates III at the two ends of the stay bar and the variable-section H-shaped steel are integrally designed, so that the overall weight is reduced, the welding amount is reduced, and the production efficiency is effectively improved; adjust the pole and can be when vaulting pole and box installation, adjust vaulting pole installation angle, make things convenient for the installation of support box and vaulting pole, effectively improve the installation effectiveness of vaulting pole, and adjust the pole and pass through the round pin hub connection with the vaulting pole, can prevent that the vaulting pole from taking place the danger of tumbling because of the angle is too big, when super large-tonnage tower machine installation undersetting vaulting pole, weld nut on the regulation pole, the bolt is installed in nut department, the vaulting pole angle is adjusted to the accessible elasticity bolt, adopt round pin IV to connect the vaulting pole and adjust the pole, can prevent that the vaulting pole from tumbling this moment, solved because there is the problem that angular error influences the undersetting installation in the vaulting pole when vaulting pole weight is overweight.
Claims (10)
1. The utility model provides a vaulting pole combination formula undersetting which characterized in that: including box (1), box (1) is connected with floorbar (4) and connecting rod (6) through vaulting pole (3), floorbar (4) link together through connecting rod (6), be equipped with angle adjusting device between vaulting pole (3) and floorbar (4) and connecting rod (6), be equipped with the connecting portion of being connected with angle adjusting device on vaulting pole (3).
2. A brace bar combination undersetting of claim 1 wherein: the bottom beam (4) and the connecting rod (6) are both connected with two support rods (3), and the two support rods (3) and the bottom beam (4) or the connecting rod (6) form a triangle.
3. A brace bar combination undersetting of claim 2 wherein: the supporting rod (3) is connected with the box body (1) and the bottom beam (4) through a pin shaft I (2), and the supporting rod (3) is connected with the connecting rod (6) through a pin shaft II (5).
4. A brace bar combination undersetting of claim 1 wherein: the bottom beam (4) and the connecting rod (6) are connected together through a pin shaft III (7).
5. A brace bar combination undersetting of claim 1 wherein: vaulting pole (3) are for adopting variable cross section H shaped steel, vaulting pole (3) are including bottom plate I (31), otic placode I (32), web (34), shrouding (35) and otic placode II (36), bottom plate I (31) sets up in bottom plate I (31) both sides, otic placode I (32) and otic placode II (36) set up the both ends in vaulting pole (3), once connect web (34) and shrouding (35) between otic placode I (32) and otic placode II (36).
6. A brace bar combination undersetting of claim 5 wherein: the side surfaces of the ear plate I (32) and the ear plate II (36) are respectively provided with a pasting plate I (33) and a pasting plate II (38), the middle of the web plate (34) is hollowed, and a rib plate (37) is arranged in the middle of the ear plate II (36).
7. A brace bar combination undersetting of claim 1 wherein: and an ear plate III (39) connected with the angle adjusting device is arranged on the support rod (3).
8. A brace bar combination undersetting of claim 1 wherein: the angle adjusting device comprises an adjusting rod (8) arranged between a support rod (3) and a bottom beam (4) and a connecting rod (6), and a bolt (10) and a nut (81) which are used for adjusting the support rod (3) are arranged on the adjusting rod (8).
9. A brace bar combination undersetting of claim 8 wherein: one end of the adjusting rod (8) is arranged on the bottom beam (4) and the connecting rod (6) through a pin shaft, and the other end of the adjusting rod (8) is connected with the support rod (3) through a long round hole and a pin shaft IV (9).
10. A brace bar combination undersetting of claim 8 wherein: the adjusting rod (8) is connected with the supporting rod (3) through one end, a bottom plate (82) is arranged at the end, connected with the supporting rod (3), of the adjusting rod, a through hole used for being connected with a nut (81) is formed in the bottom plate (82), and the bolt (10) is matched with the nut (81) for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111384021.4A CN114105016B (en) | 2021-11-19 | 2021-11-19 | Brace rod combined type lower support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111384021.4A CN114105016B (en) | 2021-11-19 | 2021-11-19 | Brace rod combined type lower support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114105016A true CN114105016A (en) | 2022-03-01 |
| CN114105016B CN114105016B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111384021.4A Active CN114105016B (en) | 2021-11-19 | 2021-11-19 | Brace rod combined type lower support |
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| CN (1) | CN114105016B (en) |
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| Publication number | Publication date |
|---|---|
| CN114105016B (en) | 2023-06-16 |
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