CN103787213A - Inserted chassis diagonal-brace structure of tower crane - Google Patents
Inserted chassis diagonal-brace structure of tower crane Download PDFInfo
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- CN103787213A CN103787213A CN201410039332.0A CN201410039332A CN103787213A CN 103787213 A CN103787213 A CN 103787213A CN 201410039332 A CN201410039332 A CN 201410039332A CN 103787213 A CN103787213 A CN 103787213A
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- hound
- fixedly connected
- underframe
- tower crane
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Abstract
The invention discloses an inserted chassis diagonal-brace structure of a tower crane and belongs to the technical field of the tower crane. The diagonal-brace structure of the tower crane comprises a base section, a chassis section and a diagonal brace, wherein the bottom end of the base section is vertically and fixedly connected to a crossed beam; the bottom end of the chassis section is fixedly connected to the top surface of the base section; the diagonal brace is arranged to be inclined to the crossed beam, the bottom end of the diagonal brace is fixedly connected with the crossed beam, while the top end of the diagonal brace is fixedly connected with the chassis section, a double-lug plate with a U-shaped structure and fixedly connected with the diagonal brace is arranged at the top end of the diagonal brace, and the inner width dimension of the U-shaped structure of the double-lug plate is matched with the width dimension of a main chord; the top end of the diagonal brace is sleeved on the main chord of the chassis section through the double-lug plate, and the top end of the double-lug plate is fixedly connected with the main chord of the chassis section through a connecting piece. The chassis section is reduced in overall structure dimension and strong in transportation convenience, and simultaneously, the stress condition at the connection part is improved and the weld joint quality requirement is effectively reduced. The diagonal-brace structure of the tower crane is simple and is easy to manufacture and low in manufacturing cost.
Description
Technical field
The present invention relates to underframe hound structure, specifically a kind of tower crane interpolation type underframe hound structure, belongs to tower crane technical field.
Background technology
Present stage, domestic tower machine industry homogeneity competition is serious, and especially in middle-size and small-size tower machine field, each producer product design, price are on a par, and surface structure, dismounting transportation mode are very nearly the same.So for domestic Ta Ji enterprise, want to win the market, obtain client's favor, also need convenient transportation and the economic and practical of improving product, at utmost meet client's high performance-price ratio demand.So continue to optimize product structure, reduce manufacturing cost, improving product performance for making product core competitiveness, maintaining enterprise brand advantage is significant.
In existing product design, the underframe hound two ends of tower crane are all with ears plate 21 (as Fig. 1 and Fig. 2), and ears plate 21 spacing are less, when assembling, coordinate with the monaural plate 8 on underframe joint 1, connect by bearing pin.Therefore, on underframe joint 1, must weld four unsettled monaural plates 8 and be connected with hound 3, certainly will increase the bulk of underframe joint.Because other standard knot is regular cubic space structure, underframe saves four jiaos and hangs monaural plate only, inconsistent with standard knot bulk, so very inconvenience when entrucking transportation.In addition, because monaural plate and underframe joint weld seam are that monaural plate thickness face docks with underframe joint main chord, weldquality is had relatively high expectations, and is not easy to ensure.
Summary of the invention
For the deficiency existing in existing hound technology, the invention provides a kind of tower crane interpolation type underframe hound structure, for making underframe joint oad and standard knot unified, tactical rule compactness, strengthen the convenience of underframe joint transportation, meanwhile, optimize connecting portion structure, improve connection location force-bearing situation, effectively reduce weldquality requirement.
For solving the problems of the technologies described above, a kind of tower crane interpolation type of the present invention underframe hound structure, comprises base section, underframe joint and hound, and base section bottom is vertically fixedly connected on rood beam; Underframe joint bottom is fixedly connected on the end face of base section; Hound favours rood beam setting, its bottom is fixedly connected with rood beam, its top is fixedly connected with underframe joint, the top of described hound is provided with " U " type structure ears plate being fixedly connected with it, and the home record size of described ears plate " U " type structure matches with the width dimensions of main chord; Hound top is enclosed within by ears board on the main chord of underframe joint, and the top of ears plate is fixedly connected with the main chord of underframe joint by attaching parts.
As preferably, attaching parts is bearing pin.
Further, bearing pin one end is provided with positioning step, and the other end is provided with screw thread and the anti-return nut with screw thread fit.
Further, the inside face of " U " type structure ears plate bottom on hound top is ramp structure, and its bevel angle is identical with the angle between hound and the main chord of underframe joint.
Compared with prior art, the present invention has the following advantages:
(1) underframe joint integral structure size reduction, convenient transportation strengthens.The present invention has removed the monaural plate on underframe joint main chord, makes underframe joint oad and standard knot unified, and tactical rule compactness has significantly been reduced the overall dimensions that underframe saves, relatively traditional underframe joint, and convenient transport is strong.
(2) improve connecting portion force-bearing situation, effectively reduced weldquality requirement.The weld seam stressing conditions of tradition connection mode underframe joint main chord and monaural plate is severe, must strictly control weldquality, avoids weld seam to produce low cycle fatigue cracking.Connecting portion of the present invention has removed monaural plate, the ears distance between plates of hound is increased, extend ears plate and embrace underframe joint main chord, this kind of connection mode force-bearing situation obtained improving significantly, effectively reduced near the weldquality requirement of joint, convenient welding is quick.
(3) the present invention improves hound and connection mode thereof on the basis of existing structure, and overall structure variation is little, does not increase any manufacturing process burden, simple in structure, be easy to manufacture, and low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is prior art integral structure schematic diagram;
Fig. 2 is the structural representation of prior art hound;
Fig. 3 is integral structure schematic diagram of the present invention;
Fig. 4 is structure for amplifying schematic diagram of the present invention;
Fig. 5 is the structural representation of hound of the present invention.
In figure: 1. underframe joint, 2. " U " type structure ears plate, 21. ears plates, 3. hound, 4. main chord, 5. attaching parts, 6. base section, 7. rood beam, 8. monaural plate.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figures 3 to 5, a kind of tower crane interpolation type of the present invention underframe hound structure, is mainly made up of base section 6, underframe joint 1 and hound 3, and base section 6 bottoms are vertically fixedly connected on rood beam 7; Underframe saves 1 bottom and is fixedly connected on the end face of base section 6; Hound 3 favours rood beam 7 and arranges, its bottom is fixedly connected with rood beam 7, its top is fixedly connected with underframe joint 1, the top of described hound 3 is provided with " U " type structure ears plate 2 being fixedly connected with it, the home record size of described " U " type structure ears plate 2 matches with the width dimensions of main chord 4, prevent the phenomenon appearance that " U " type structure ears plate 2 and main chord 4 occur double swerve, slide up and down, make the two in conjunction with more tight, firm; Hound 3 tops are fastened in by ears plate 2 on the main chord 4 of underframe joint 1, and the top of ears plate 2 is fixedly connected with the main chord 4 of underframe joint 1 by attaching parts 5.
The preferred version that changes as the present invention to technique scheme, for fastening " U " type structure ears plate 2, is better fixed on main chord 4 hound 3, and described attaching parts 5 is bearing pin.
Further improvement as the present invention to technique scheme, described bearing pin one end is provided with positioning step, the other end is provided with screw thread and the anti-return nut with screw thread fit, the use of anti-return nut, prevent that on the one hand nut is because using and occur loosening phenomenon for a long time, the spacing that can further further between ears plate 2 by modulation anti-return nut on the other hand, further reduce ears plate 2 and main chord 4 gaps, increasing friction force, thereby make the support underframe joint 1 that hound 3 is more firm, further increase the safety and reliability of equipment in work progress.
Further improvement as the present invention to technique scheme, the inside face of " U " type structure ears plate 2 bottoms on described hound 3 tops is ramp structure, its bevel angle is identical with the angle between hound 3 and the main chord 4 of underframe joint 1.Can increase the area of contact of hound 3 and main chord 4, increasing friction force, makes to connect more firm.
The present invention has removed four unsettled monaural plates on traditional underframe joint 1, ears distance between plates on hound 3 is strengthened, and increase ears plate length, ears plate after improvement is " U " type structure, make " U " type structure ears plate 2 on hound 3 directly embrace the main chord 4 of underframe joint 1, then connect by attaching parts 5.The present invention has reduced the bulk of underframe joint 1, has significantly promoted the convenient transportation of underframe joint 1, and has effectively improved the stressing conditions of connecting portion.
Claims (4)
1. a tower crane interpolation type underframe hound structure, comprises base section (6), underframe joint (1) and hound (3), and base section (6) bottom is vertically fixedly connected on rood beam (7); Underframe joint (1) bottom is fixedly connected on the end face of base section (6); Hound (3) favours rood beam (7) setting, its bottom is fixedly connected with rood beam (7), its top is fixedly connected with underframe joint (1), it is characterized in that, the top of described hound (3) is provided with " U " type structure ears plates (2) that are fixedly connected with it, and the home record size of described ears plate (2) " U " type structure matches with the width dimensions of main chord (4); The main chord (4) that hound (3) top is fastened in underframe joint (1) by ears plate (2) is upper, and the top of ears plate (2) is fixedly connected with the main chord (4) of underframe joint (1) by attaching parts (5).
2. a kind of tower crane interpolation type underframe hound structure according to claim 1, is characterized in that, described attaching parts (5) is bearing pin.
3. a kind of tower crane interpolation type underframe hound structure according to claim 2, is characterized in that, described bearing pin one end is provided with positioning step, and the other end is provided with screw thread and the anti-return nut with screw thread fit.
4. a kind of tower crane interpolation type underframe hound structure according to claim 1 and 2, it is characterized in that, the inside face of " U " type structure ears plates (2) bottom on described hound (3) top is ramp structure, and its bevel angle is identical with the angle between hound (3) and the main chord (4) of underframe joint (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039332.0A CN103787213B (en) | 2014-01-27 | 2014-01-27 | A kind of tower crane interpolation type underframe hound structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039332.0A CN103787213B (en) | 2014-01-27 | 2014-01-27 | A kind of tower crane interpolation type underframe hound structure |
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| CN103787213A true CN103787213A (en) | 2014-05-14 |
| CN103787213B CN103787213B (en) | 2015-09-02 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909279A (en) * | 2015-07-03 | 2015-09-16 | 杨海良 | Crane for diagonal bar device |
| CN106429883A (en) * | 2016-10-27 | 2017-02-22 | 上海庞源机械租赁有限公司 | Tower crane foundation used for bridge construction |
| CN106522262A (en) * | 2016-10-28 | 2017-03-22 | 广州机施建设集团有限公司 | Parallel cross combined steel beam tower crane foundation for steel structure roof and construction method of parallel cross combined steel beam tower crane foundation |
| CN108639251A (en) * | 2018-05-14 | 2018-10-12 | 华电曹妃甸重工装备有限公司 | Carrying pole device is tied up in the sea of weight equipment and method is tied up in sea |
| CN111186778A (en) * | 2020-03-04 | 2020-05-22 | 山东中建众力设备租赁有限公司 | Mechanism and method for variable cross-section installation of foundation sections of tower crane |
| CN115231470A (en) * | 2022-06-24 | 2022-10-25 | 甘肃省建设投资(控股)集团有限公司 | Jacking device and jacking method for mounting standard knot of secondary reflection tower |
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| DE3323782C2 (en) * | 1983-07-01 | 1987-04-23 | M.A.N.-Wolffkran GmbH, 7100 Heilbronn | Curved, rail-mounted lower section of a tower crane |
| CN201334328Y (en) * | 2008-12-31 | 2009-10-28 | 长沙中联重工科技发展股份有限公司 | Lower support saddle component for ultra-large type tower crane |
| CN202449770U (en) * | 2011-11-29 | 2012-09-26 | 中联重科股份有限公司 | Tower crane lower support assembly and tower crane with same |
| CN202924628U (en) * | 2012-11-26 | 2013-05-08 | 徐州重型机械有限公司 | Tower crane and underframe leveling device thereof |
| CN203269418U (en) * | 2013-05-19 | 2013-11-06 | 上海庞源机械租赁股份有限公司 | Novel foundation structure of tower crane |
| CN203699745U (en) * | 2014-01-27 | 2014-07-09 | 徐州建机工程机械有限公司 | Tower crane interpolating chassis slant supporting rod structure |
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2014
- 2014-01-27 CN CN201410039332.0A patent/CN103787213B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3323782C2 (en) * | 1983-07-01 | 1987-04-23 | M.A.N.-Wolffkran GmbH, 7100 Heilbronn | Curved, rail-mounted lower section of a tower crane |
| CN201334328Y (en) * | 2008-12-31 | 2009-10-28 | 长沙中联重工科技发展股份有限公司 | Lower support saddle component for ultra-large type tower crane |
| CN202449770U (en) * | 2011-11-29 | 2012-09-26 | 中联重科股份有限公司 | Tower crane lower support assembly and tower crane with same |
| CN202924628U (en) * | 2012-11-26 | 2013-05-08 | 徐州重型机械有限公司 | Tower crane and underframe leveling device thereof |
| CN203269418U (en) * | 2013-05-19 | 2013-11-06 | 上海庞源机械租赁股份有限公司 | Novel foundation structure of tower crane |
| CN203699745U (en) * | 2014-01-27 | 2014-07-09 | 徐州建机工程机械有限公司 | Tower crane interpolating chassis slant supporting rod structure |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909279A (en) * | 2015-07-03 | 2015-09-16 | 杨海良 | Crane for diagonal bar device |
| CN106429883A (en) * | 2016-10-27 | 2017-02-22 | 上海庞源机械租赁有限公司 | Tower crane foundation used for bridge construction |
| CN106522262A (en) * | 2016-10-28 | 2017-03-22 | 广州机施建设集团有限公司 | Parallel cross combined steel beam tower crane foundation for steel structure roof and construction method of parallel cross combined steel beam tower crane foundation |
| CN108639251A (en) * | 2018-05-14 | 2018-10-12 | 华电曹妃甸重工装备有限公司 | Carrying pole device is tied up in the sea of weight equipment and method is tied up in sea |
| CN108639251B (en) * | 2018-05-14 | 2019-07-09 | 华电曹妃甸重工装备有限公司 | Carrying pole device is tied up in the sea of weight equipment and method is tied up in sea |
| CN111186778A (en) * | 2020-03-04 | 2020-05-22 | 山东中建众力设备租赁有限公司 | Mechanism and method for variable cross-section installation of foundation sections of tower crane |
| CN111186778B (en) * | 2020-03-04 | 2021-06-22 | 山东中建众力设备租赁有限公司 | Mechanism and method for variable cross-section installation of foundation sections of tower crane |
| CN115231470A (en) * | 2022-06-24 | 2022-10-25 | 甘肃省建设投资(控股)集团有限公司 | Jacking device and jacking method for mounting standard knot of secondary reflection tower |
| CN115231470B (en) * | 2022-06-24 | 2023-08-01 | 甘肃省建设投资(控股)集团有限公司 | Jacking device and jacking method for installing standard section of secondary reflection tower |
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|---|---|
| CN103787213B (en) | 2015-09-02 |
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