CN203712192U - Lower support displacement tool for tower crane - Google Patents
Lower support displacement tool for tower crane Download PDFInfo
- Publication number
- CN203712192U CN203712192U CN201420084249.0U CN201420084249U CN203712192U CN 203712192 U CN203712192 U CN 203712192U CN 201420084249 U CN201420084249 U CN 201420084249U CN 203712192 U CN203712192 U CN 203712192U
- Authority
- CN
- China
- Prior art keywords
- bearing
- undersetting
- displacement tool
- derrick crane
- main shaft
- 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.)
- Expired - Lifetime
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 30
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 21
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 125000006850 spacer group Chemical group 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009194 climbing Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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- Jib Cranes (AREA)
Abstract
The utility model relates to a lower support displacement tool for a tower crane. The lower support displacement tool comprises a mounting base, a rotation frame, a quadrupole alternating current motor and a turbine worm reducer, wherein the quadrupole alternating current motor is fixed onto a motor mounting base, and the motor mounting base is fixed on the mounting base; the quadrupole alternating current motor is connected with the turbine worm reducer through a shaft coupling, and the turbine worm reducer is connected with a main shaft; a first bearing and a second bearing are mounted on the main shaft and are fixed on a bearing seat, and a lock washer is arranged at one end, near the turbine worm reducer, of the first bearing; a spacer bush is mounted between the first bearing and the second bearing, and a bearing cap is arranged at one end of the second bearing; the rotation frame used for fixing a lower support is arranged at the extending end of the main shaft. The lower support displacement tool has the advantages of simple structure, low manufacturing cost and convenience in use, and is suitable for welding of the lower support of the tower crane. The lower support is fixed onto the displacement tool for turnover, so that the welding efficiency is improved.
Description
Technical field
The utility model relates to a kind of processing tool of derrick crane parts, especially relates to a kind of undersetting displacement tool of derrick crane, is mainly used in the welding processing of undersetting.
Background technology
The undersetting of derrick crane is the middle transition device that derrick crane connects, and its bottom and standard knot jacking stock connect and belong to fixed rigid body structure, and top connects with slewing tower by pivoting support, and top belongs to rotary body.In welding process, the diverse location of workpiece needs welding, because workpiece is excessive, be not easy to use driving to overturn, also easily cause potential safety hazard, use displacement tool can be by being fixed on workpiece on displacement tool and overturning, can not only increase work efficiency, also safer.
CN 203254324 U disclose a kind of undersetting of derrick crane and have made frock, comprise workbench, and the centre of described workbench is welded with jacking frame location-plate, and four angles of described workbench are respectively equipped with a frock snap gauge; On described frock snap gauge, be respectively equipped with two installing holes, described tooling platform is provided with the through hole corresponding with described installing hole, in described installing hole and through hole, be provided with positioning spigot cover, in described positioning spigot cover, be provided with alignment pin, described frock snap gauge is provided with briquetting, and described briquetting is pressed in two positioning spigot cover tops.This undersetting is made frock and is not solved the quick upset to workpiece and a difficult problem for potential safety hazard in undersetting welding process.
CN 103418973 A disclose a kind of tower crane climbing frame welding tooling, comprise platform, web member positioning support bearing, crossbeam positioning support bearing, climbing support are installed on platform and exit oil cylinder, slide block location stand, oil cylinder beam otic placode positioning clamping device and slide block Shift cylinder; On platform, establish positioning vertical column, complete white hydrodynamic pressure positioning clamping device is installed on positioning vertical column; Platform right side is standard knot, and standard knot is driven by moving slider, and moving slider is led by line slideway; Platform left side is provided with fixing stand, mounting end otic placode positioning clamping device on fixing stand.Because climbing support and the undersetting architectural difference of derrick crane are larger, this welding tooling can not be used for the welding processing of tower crane lower support seat, can not carry out turning operation to undersetting, so that the welding processing of undersetting.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of simple in structure, cost of manufacture is low, easy to use, welds the undersetting displacement tool of special derrick crane, by undersetting is fixed on displacement tool and is overturn, improve the working (machining) efficiency of welding.
The utility model solves the technical scheme that its technical problem adopts: a kind of undersetting displacement tool of derrick crane, comprises mount pad, swivel mount, four utmost point alternating current generators, turbine worm reducer; Described four utmost point alternating current generators are fixed on motor mount; Described motor mount is fixed on mount pad; Described four utmost point alternating current generators are connected with turbine worm reducer by shaft coupling; Described turbine worm reducer is connected with main shaft; Clutch shaft bearing and the second bearing are installed on described main shaft; Described clutch shaft bearing and the second bearing are fixed on bearing block; Described clutch shaft bearing is provided with stop washer near turbine worm reducer one end; Between described clutch shaft bearing and the second bearing, spacer is installed; One end of described the second bearing is provided with bearing cap; The external part of described main shaft is provided with the swivel mount for fixing undersetting.
Further, described swivel mount is by first fold bent plate, holder, the second bending plate, base plate and rotary sleeve composition; Described first fold bent plate is connected with rotary sleeve with the second bending plate; Described rotary sleeve is fixed in the middle of base plate; Described holder is welded on the two ends of first fold bent plate and the second bending plate; On described holder, offer the square hole fixing for workpiece.
Further, described swivel mount is connected with main shaft by screw.
Further, described bearing cap is bolted on bearing block.
Further, between described motor mount and mount pad, be provided with adjustment pad.
Further, described main shaft is by little round nut and clutch shaft bearing, the second bearing and bearing block locking.
Further, described main shaft and turbine worm reducer are provided with keyway, flat key is installed in keyway and can be prevented relatively rotating of main shaft and turbine worm reducer.
The use of the undersetting displacement tool of derrick crane a: when clamping workpiece, to swivel mount, four holders pierce in the macropore of workpiece centre by work piece hoisting.Then, in the square hole of holder, penetrate drift, and strike tightly with iron hammer, so just completed the fixing of workpiece.Compared with this fixed form is fixed with traditional screw thread, installation rate is faster, and the installation site required precision of workpiece in frock is low, fixed.
The beneficial effects of the utility model: the undersetting displacement tool of derrick crane, simple in structure, cost of manufacture is low, easy to use; Be applicable to the undersetting welding of derrick crane, by undersetting is fixed on displacement tool and is overturn, improve welding efficiency; During for clamping workpiece, by the interaction of drift and square hole, can realize Fast Installation, and the installation site required precision of workpiece in frock is low, fixed.
Brief description of the drawings
Fig. 1 is the front view of the undersetting displacement tool of a kind of derrick crane of the utility model;
Fig. 2 is the left view of the undersetting displacement tool of a kind of derrick crane of the utility model;
Fig. 3 is the front view of swivel mount in Fig. 1;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is the use schematic diagram of the undersetting displacement tool of a kind of derrick crane of the utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
With reference to Fig. 1 and 2, a kind of undersetting displacement tool of derrick crane, comprises mount pad 1, swivel mount 4, four utmost point alternating current generators 7, turbine worm reducer 11; Described four utmost point alternating current generators 7 are fixed on motor mount 6; Described motor mount 6 is fixed on mount pad 1; Described four utmost point alternating current generators 7 are connected with turbine worm reducer 11 by shaft coupling 15; Described turbine worm reducer 11 is connected with main shaft 2; Clutch shaft bearing 14 and the second bearing 17 are installed on described main shaft 2; Described clutch shaft bearing 14 and the second bearing 17 are fixed on bearing block 10; Described clutch shaft bearing 14 is provided with stop washer 13 near turbine worm reducer 11 one end; Between described clutch shaft bearing 14 and the second bearing 17, spacer 16 is installed; One end of described the second bearing 17 is provided with bearing cap 9; The external part of described main shaft 2 is provided with the swivel mount 4 for fixing undersetting.
With reference to Fig. 3 and 4, described swivel mount 4 is by first fold bent plate 4-1, holder 4-2, the second bending plate 4-3, base plate 4-4 and rotary sleeve 4-5 composition; Described first fold bent plate 4-1 is connected with rotary sleeve 4-5 with the second bending plate 4-3; Described rotary sleeve 4-5 is fixed in the middle of base plate 4-4; Described holder 4-2 is welded on the two ends of first fold bent plate 4-1 and the second bending plate 4-3; On described holder 4-1, offer the square hole 4-6 fixing for workpiece.
Described swivel mount 4 is connected with main shaft 2 by screw 3.
Described bearing cap 9 is fixed on bearing block 10 by bolt 8.
Between described motor mount 6 and mount pad 1, be provided with and adjust pad 5.
Described main shaft 2 is locked by roundlet nut 12 and clutch shaft bearing 14, the second bearing 17 and bearing block 10.
Described main shaft 2 and turbine worm reducer 11 are provided with keyway, flat key is installed in keyway and can be prevented relatively rotating of main shaft 2 and turbine worm reducer 11.
A kind of use of undersetting displacement tool of derrick crane: as shown in Figure 5, clamping workpiece (undersetting) 18 o'clock, lifts workpiece (undersetting) 18 to swivel mount 4, and four holder 4-2 pierce in the macropore at workpiece (undersetting) 18 centers.Then, in the square hole 4-6 of holder 4-2, penetrate drift 19, and strike tightly with iron hammer, so just completed the fixing of workpiece (undersetting) 18.Compared with this fixed form is fixed with traditional screw thread, installation rate is faster, and the installation site required precision of workpiece in frock is low, fixed.
Claims (10)
1. a undersetting displacement tool for derrick crane, comprises mount pad, swivel mount, four utmost point alternating current generators, turbine worm reducer; It is characterized in that, described four utmost point alternating current generators are fixed on motor mount; Described motor mount is fixed on mount pad; Described four utmost point alternating current generators are connected with turbine worm reducer by shaft coupling; Described turbine worm reducer is connected with main shaft; Clutch shaft bearing and the second bearing are installed on described main shaft; Described clutch shaft bearing and the second bearing are fixed on bearing block; Described clutch shaft bearing is provided with stop washer near turbine worm reducer one end; Between described clutch shaft bearing and the second bearing, spacer is installed; One end of described the second bearing is provided with bearing cap; The external part of described main shaft is provided with the swivel mount for fixing undersetting.
2. the undersetting displacement tool of derrick crane as claimed in claim 1, is characterized in that, described swivel mount is by first fold bent plate, holder, the second bending plate, base plate and rotary sleeve composition; Described first fold bent plate is connected with rotary sleeve with the second bending plate; Described rotary sleeve is fixed in the middle of base plate; Described holder is welded on the two ends of first fold bent plate and the second bending plate; On described holder, offer the square hole fixing for workpiece.
3. the undersetting displacement tool of derrick crane as claimed in claim 1 or 2, is characterized in that, described swivel mount is connected with main shaft by screw.
4. the undersetting displacement tool of derrick crane as claimed in claim 1 or 2, is characterized in that, described bearing cap is bolted on bearing block.
5. the undersetting displacement tool of derrick crane as claimed in claim 3, is characterized in that, described bearing cap is bolted on bearing block.
6. the undersetting displacement tool of derrick crane as described in claim 1 or 2 or 5, is characterized in that, is provided with adjustment pad between described motor mount and mount pad.
7. the undersetting displacement tool of derrick crane as claimed in claim 3, is characterized in that, is provided with adjustment pad between described motor mount and mount pad.
8. the undersetting displacement tool of derrick crane as claimed in claim 4, is characterized in that, is provided with adjustment pad between described motor mount and mount pad.
9. the undersetting displacement tool of derrick crane as described in claim 1 or 2 or 5, is characterized in that, described main shaft is by little round nut and clutch shaft bearing, the second bearing and bearing block locking.
10. the undersetting displacement tool of derrick crane as described in claim 1 or 2 or 5, is characterized in that, described main shaft and turbine worm reducer are provided with keyway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084249.0U CN203712192U (en) | 2014-02-27 | 2014-02-27 | Lower support displacement tool for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084249.0U CN203712192U (en) | 2014-02-27 | 2014-02-27 | Lower support displacement tool for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203712192U true CN203712192U (en) | 2014-07-16 |
Family
ID=51151390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420084249.0U Expired - Lifetime CN203712192U (en) | 2014-02-27 | 2014-02-27 | Lower support displacement tool for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203712192U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308443A (en) * | 2014-10-24 | 2015-01-28 | 徐州建机工程机械有限公司 | Positioner for welding of lower support of tower crane |
| CN104759827A (en) * | 2015-04-21 | 2015-07-08 | 长沙星沙机床有限公司 | Rotary welding tool for lower support |
| CN113245733A (en) * | 2021-05-07 | 2021-08-13 | 临澧金华天机械制造有限公司 | Automatic welding equipment for tower crane base |
-
2014
- 2014-02-27 CN CN201420084249.0U patent/CN203712192U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308443A (en) * | 2014-10-24 | 2015-01-28 | 徐州建机工程机械有限公司 | Positioner for welding of lower support of tower crane |
| CN104759827A (en) * | 2015-04-21 | 2015-07-08 | 长沙星沙机床有限公司 | Rotary welding tool for lower support |
| CN113245733A (en) * | 2021-05-07 | 2021-08-13 | 临澧金华天机械制造有限公司 | Automatic welding equipment for tower crane base |
| CN113245733B (en) * | 2021-05-07 | 2022-06-24 | 临澧金华天机械制造有限公司 | Automatic welding equipment for tower crane base |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |