CN203380546U - Tower crane cargo boom lower chord tool - Google Patents
Tower crane cargo boom lower chord tool Download PDFInfo
- Publication number
- CN203380546U CN203380546U CN201320439192.7U CN201320439192U CN203380546U CN 203380546 U CN203380546 U CN 203380546U CN 201320439192 U CN201320439192 U CN 201320439192U CN 203380546 U CN203380546 U CN 203380546U
- Authority
- CN
- China
- Prior art keywords
- base
- tower crane
- lower chord
- positioning device
- lower boom
- 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 - Fee Related
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- Jib Cranes (AREA)
Abstract
The utility model specifically discloses a tower crane cargo boom lower chord tool which comprises a base, wherein a plurality of jacket devices are arranged on the base; each jacket device is connected with a screw through a connecting piece; a plug positioning device is arranged on one side of the jacket device at two ends and in the center of the base; each jacket device comprises a shaft seat fixed on the base; the shaft seat is sleeved with a shaft sleeve; the shaft sleeve is connected with one screw through one connecting piece; the connecting piece can rotate around the shaft sleeve; the plug positioning device comprises a pin roll; two sides of the pin roll are positioned on the base through a positioning device. The utility model has the benefit that the tower crane cargo boom lower chord tool can be used for mounting and welding tower crane lower chord plugs with different models and lengths.
Description
Technical field
The utility model specifically discloses a kind of derrick runway girder lower boom frock.
Background technology
Current derrick runway girder lower boom frock is generally that the crane arm lower boom of different model install to need different frocks corresponding with it, and there is the shortcoming of being out of shape in lower boom when clamping, and is having a strong impact on product size and welding quality, and operating efficiency is on the low side.
The utility model content
The shortcoming existed in order to solve prior art, the utility model specifically discloses a kind of derrick runway girder lower boom frock.
The technical solution adopted in the utility model is as follows:
A kind of derrick runway girder lower boom frock, comprise a base, be provided with several clamping devices on described base, described each clamping device is connected with a screw rod by a connector separately, and a described side that is positioned at the clamping device of base two ends and center is provided with plug positioning device.
Described clamping device comprises the axle bed be fixed on base, and on axle bed, cover has an axle sleeve, and described axle sleeve connects a screw rod by a connector, and described connector can rotate around axle sleeve.
Described plug positioning device comprises an alignment pin, and described alignment pin both sides are positioned on base by positioning sleeve.
The beneficial effects of the utility model are:
1. can be used for installation and the welding of the tower machine lower boom plug of different model and length dimension.
2. the fixing left and right of positioner and alignment pin end plug, guaranteed lower boom attachment plug pitch of holes precision.
3. clamping device and positioning datum, utilize rigid fixation to prevent welding deformation, guaranteed lower edge square tube and plug welding quality.
The accompanying drawing explanation
Fig. 1 derrick runway girder lower boom device front view;
Fig. 2 derrick runway girder lower boom device top view;
The E-E cutaway view that Fig. 3 is Fig. 2;
The C-C cutaway view that Fig. 4 is Fig. 2;
In figure: 1 clamping device, 2 plug positioning device I, 3 bases, 4 plug positioning device II, 5 standard apparatuses, 6 alignment pin, 7 axle beds, 8 axle sleeves, 9 connectors, 10 screw rods, 11 positioning sleeves.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated:
As Figure 1-Figure 4, derrick runway girder lower boom frock comprises a base 3, be provided with several clamping devices 1 on described base 3, described each clamping device 1 is connected with a screw rod 10 by a connector 9 separately, described base 3 two ends that are positioned at respectively are provided with a plug positioning device II4, in a side of the clamping device of the center of base 3, are provided with plug positioning device I2.
Clamping device 1 comprises the axle bed 7 be fixed on base, and on axle bed 7, cover has an axle sleeve 8, and described axle sleeve 8 connects a screw rod 10 by a connector 9, and described connector 9 can be around axle sleeve 8 rotations.
Plug positioning device comprises an alignment pin 6, and described alignment pin 6 both sides are positioned on base 3 by positioning sleeve 11.Between the clamping device at base 3 two ends and contiguous clamping device by standard apparatus 5 location.
Claims (3)
1. a derrick runway girder lower boom frock, it is characterized in that: comprise a base, be provided with several clamping devices on described base, described each clamping device is connected with a screw rod by a connector separately, and a described side that is positioned at the clamping device of base two ends and center is provided with plug positioning device.
2. lower boom frock as claimed in claim 1, it is characterized in that: described clamping device comprises the axle bed be fixed on base, on axle bed, cover has an axle sleeve, and described axle sleeve connects a screw rod by a connector, and described connector can rotate around axle sleeve.
3. lower boom frock as claimed in claim 1, it is characterized in that: described plug positioning device comprises a bearing pin, described bearing pin both sides are positioned on base by positioning sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439192.7U CN203380546U (en) | 2013-07-23 | 2013-07-23 | Tower crane cargo boom lower chord tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439192.7U CN203380546U (en) | 2013-07-23 | 2013-07-23 | Tower crane cargo boom lower chord tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203380546U true CN203380546U (en) | 2014-01-08 |
Family
ID=49869072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320439192.7U Expired - Fee Related CN203380546U (en) | 2013-07-23 | 2013-07-23 | Tower crane cargo boom lower chord tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203380546U (en) |
-
2013
- 2013-07-23 CN CN201320439192.7U patent/CN203380546U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20160723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |