CN206051379U - A kind of tower crane slew gear windproof bolt structure - Google Patents
A kind of tower crane slew gear windproof bolt structure Download PDFInfo
- Publication number
- CN206051379U CN206051379U CN201621105601.XU CN201621105601U CN206051379U CN 206051379 U CN206051379 U CN 206051379U CN 201621105601 U CN201621105601 U CN 201621105601U CN 206051379 U CN206051379 U CN 206051379U
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- CN
- China
- Prior art keywords
- latch
- otic placode
- turntable
- tower crane
- slew gear
- 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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Abstract
A kind of tower crane slew gear windproof bolt structure, including lower turntable, upper turntable and windproof bolt assembly, the windproof bolt assembly includes upper cantilever otic placode, lower cantalever otic placode, latch and shoulder pole pin, upper cantilever otic placode is connected to turntable, lower cantalever otic placode is connected to lower turntable, both cantilever ends have pin bushing hole and lower pin bushing hole, latch sequentially passes through pin bushing hole and lower pin bushing hole from top to bottom, the top of latch is provided with the axle cap for making latch be stuck in upper cantilever otic placode upper surface, the left and right sides of axle cap, the upper surface of upper cantilever otic placode is provided with two pieces of parallel undertaking risers, relative draw-in groove is provided with the sustained height position of two pieces of undertaking risers, the top surface of the latch is fixedly connected with makes lift-off on latch open lower pin bushing hole, after rotating latch, both ends are stuck in the shoulder pole pin in two draw-in grooves respectively.This utility model realizes latch to the limit function between turntable, and it is convenient to install and remove, Stability Analysis of Structures, it is ensured that safety of the tower crane in strong wind.
Description
Technical field
This utility model is related to a kind of tower crane slew gear windproof bolt structure.
Background technology
Tower crane under the jacking working condition of 12m/s wind speed, because Action of Wind pressure rotates can large arm, in jacking process
There is revolution tower crane can occur to topple danger in middle large arm.Therefore specified according to the tower crane description of " ripple is smooth " series, on tower crane top
Forbid to turn round large arm during rising, when wind speed forbids lifting operation more than 12m/s, and all tower cranes during jacking are equal
Reliable draught exclusion device must be adopted." ripple is smooth " series tower crane slew gear, builds machine, Lian Yun including cyclopentadienyl forever and builds machine, corridor at this stage
Mill build machine, Sichuan build machine production 23B, 6015,6018,36B, a series of tower cranes with the revolution of tower cap such as 7030, workmen
Often it is inserted between gyration gear ring and the little gear ring of turning motor using flitch wooden stick etc article in operation, blocks and turn
Platform, it is clear that this mode has spacing insecure, the defect such as dismounting inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of tower crane slew gear windproof bolt structure, solves in existing draught exclusion device
Position limiting structure is unstable, easily causes danger of toppling, and installs and remove the technical problem of inconvenience.
For achieving the above object, this utility model is adopted the following technical scheme that：
A kind of tower crane slew gear windproof bolt structure, including including lower turntable and by gyration gear ring in the upper of lower turntable
The upper turntable of Fang Huizhuan, also including windproof bolt assembly, the windproof bolt assembly is located at the homonymy of upper turntable and lower turntable, bag
Upper cantilever otic placode, lower cantalever otic placode, latch and shoulder pole pin are included, the root of the upper cantilever otic placode is fixedly connected on the outer of turntable
Side, the root of the lower cantalever otic placode are fixedly connected on the outside of lower turntable, and upper cantilever otic placode and lower cantalever otic placode be arranged in parallel,
And both cantilever ends have pin bushing hole and lower pin bushing hole, and the latch sequentially passes through latch from top to bottom
Set hole and lower pin bushing hole, the top of the latch is provided with the axle cap for making latch be stuck in upper cantilever otic placode upper surface, the axle cap
The left and right sides, the upper surface of upper cantilever otic placode be provided with two pieces of parallel undertaking risers, the sustained height positions of two pieces of undertaking risers
The place of putting is provided with relative draw-in groove, and the top surface of the latch is fixedly connected with makes lift-off on latch open lower pin bushing hole, rotating latch
Both ends are stuck in the shoulder pole pin in two draw-in grooves respectively afterwards.
The draw-in groove is arranged on the top middle portion for accepting riser.
The draw-in groove is U-shaped or V-shaped.
The upper cantilever otic placode and lower cantalever otic placode are horizontally disposed with.
The length direction of the shoulder pole pin is parallel with the setting direction for accepting riser.
The top surface of the latch is provided with latch handle.
The latch handle is vertical with riser is accepted.
The axle cap is to be placed on the dished cover of latch top surface or is the upper outside surface flange collar of a week around latch.
The shoulder pole pin is fixedly connected on the upper surface of dished cover.
The root of the upper cantilever otic placode is fixedly connected on the outside of the base plate of turntable, the root of the lower cantalever otic placode
It is fixedly connected on the outside of the top board of lower turntable.
This utility model has the characteristics that and beneficial effect compared with prior art：
This utility model has been abandoned traditional use small wooden and has been blocked between gyration gear ring and the little gear ring of turning motor and turned
The draught exclusion device of platform, on upper turntable and lower turntable is respectively provided with cantilever otic placode, is passed through by the cantilever end in cantilever otic placode
The latch that can be lifted and be fallen, realizes latch to the limit function between turntable, and slew gear is never rotatable and rotatable
Can very easily be changed in state, be installed and removed convenient, Stability Analysis of Structures, it is ensured that safety of the tower crane in strong wind.
Description of the drawings
The utility model is described in more detail below in conjunction with the accompanying drawings.
Fig. 1 structural representations of the present utility model.
The working state schematic representation of windproof bolt assembly in Fig. 2 this utility model.
The off working state schematic diagram of windproof bolt assembly in Fig. 3 this utility model.
Reference：Hang on turntable, 3.1- top boards, 4- under the upper turntable of 1- gyration gear rings, 2-, 2.1- base plates, 3-
Arm otic placode, 5- lower cantalever otic placodes, 6- latches, 7- shoulder pole pins, the upper pin bushing holes of 8-, pin bushing hole under 9-, 10- axle caps,
11- accepts riser, 12- draw-in grooves, 13- latch handles.
Specific embodiment
Embodiment layer referring to shown in Fig. 1-3, a kind of tower crane slew gear windproof bolt structure, including including 2 He of lower turntable
The upper turntable 3 turned round in the top of lower turntable 2 by gyration gear ring 1, also including windproof bolt assembly, the windproof bolt assembly
Positioned at upper turntable 2 and the homonymy of lower turntable 3, including upper cantilever otic placode 4, lower cantalever otic placode 5, latch 6 and shoulder pole pin 7, it is described on
The root of cantilever otic placode 4 is fixedly connected on the outside of turntable 2, and the root of the lower cantalever otic placode 5 is fixedly connected on lower turntable 2
Outside, upper cantilever otic placode 4 and lower cantalever otic placode 5 be arranged in parallel, and both cantilever ends have 8 He of pin bushing hole
Lower pin bushing hole 9, the latch 6 sequentially pass through pin bushing hole 8 and lower pin bushing hole 9, the top of the latch 6 from top to bottom
Be provided with the axle cap 10 for making latch 6 be stuck in 4 upper surface of upper cantilever otic placode, the left and right sides of the axle cap 10, upper cantilever otic placode 4 it is upper
Surface is provided with two pieces of parallel undertaking risers 11, is provided with relative draw-in groove 12 at the sustained height position of two pieces of undertaking risers 11,
In the present embodiment, the draw-in groove 12 is arranged on the top middle portion for accepting riser 11.The top surface of the latch 6 is fixedly connected with to be made to insert
The shoulder pole pin 7 that lower pin bushing hole 9 is opened in lift-off on pin 6, both ends are stuck in two draw-in grooves 12 respectively after rotating latch 6, shoulder pole pin 7
Length direction with accept riser 11 setting direction it is parallel.
Wherein described draw-in groove 12 is U-shaped or V-shaped, is U-shaped in the present embodiment.
In practice of construction, the root of the upper cantilever otic placode 4 is typically fixedly connected on the outer of the base plate 2.1 of turntable
Side, the root of the lower cantalever otic placode 5 are typically fixedly connected on the outside of the top board 3.1 of lower turntable, upper cantilever otic placode 4 and lower outstanding
Arm otic placode 5 is horizontally disposed with.
The axle cap 10 is to be placed on the dished cover of latch top surface or is the upper outside surface flange collar of a week around latch, this
It is dished cover in embodiment.Simultaneously in order to lift the convenience of latch, the typically top surface in latch 6 is provided with latch handle 13, latch
Handle 13 is vertical with riser 11 is accepted.Shoulder pole pin described in the present embodiment 7 is fixedly connected on the upper surface of dished cover.
Using method of the present utility model is as follows：
Step one, first will be after tower crane be turned back to jacking direction, in the outside welding upper cantilever of the base plate 2.1 of upper turntable 2
Otic placode 4, the outside of the top board 3.1 of lower turntable 3 weld lower cantalever otic placode 5.
Step 2, it is shown in Figure 2, latch 6 is penetrated upper pin bushing hole 8 and lower pin bushing hole 9 from top to bottom successively, and
The upper surface of upper cantilever otic placode 5 is stuck in by axle cap 10, now windproof bolt of the present utility model limits upper turntable and lower turntable
Relative rotation, play windbreak function.
Step 3, it is shown in Figure 3, latch 6 is lifted by latch handle 13, and latch is rotated 90 in the horizontal direction
After degree, by shoulder pole pin card on the draw-in groove 12 for accepting riser 11, latch 6 is made to depart from lower cantalever otic placode 5, contact is limited, except jacking
Other actions outside construction, the windproof bolt structure are located at free state, and at this moment slew gear recovers rotatable state.
Claims (10)
1. a kind of tower crane slew gear windproof bolt structure, including lower turntable（2）With by gyration gear ring（1）In lower turntable（2）
Top revolution upper turntable（3）, also including windproof bolt assembly, it is characterised in that：The windproof bolt assembly is located at upper turn
Platform（2）With lower turntable（3）Homonymy, including upper cantilever otic placode（4）, lower cantalever otic placode（5）, latch（6）With shoulder pole pin（7）, institute
State upper cantilever otic placode（4）Root be fixedly connected on turntable（2）Outside, the lower cantalever otic placode（5）Root fix connect
It is connected on lower turntable（2）Outside, upper cantilever otic placode（4）With lower cantalever otic placode（5）It is arranged in parallel, and both cantilever end difference
It is provided with pin bushing hole（8）With lower pin bushing hole（9）, the latch（6）Pin bushing hole is sequentially passed through from top to bottom（8）With under
Pin bushing hole（9）, the latch（6）Top be provided with and make latch（6）It is stuck in upper cantilever otic placode（4）The axle cap of upper surface（10）,
The axle cap（10）The left and right sides, upper cantilever otic placode（4）Upper surface be provided with two pieces of parallel undertaking risers（11）, two pieces are held
Connect riser（11）Sustained height position at be provided with relative draw-in groove（12）, the latch（6）Top surface be fixedly connected with and make to insert
Pin（6）Lower pin bushing hole is opened in upper lift-off（9）, rotating latch（6）Both ends are stuck in two draw-in grooves respectively afterwards（12）Interior shoulder pole pin
（7）.
2. tower crane slew gear windproof bolt structure according to claim 1, it is characterised in that：The draw-in groove（12）Arrange
Accepting riser（11）Top middle portion.
3. tower crane slew gear windproof bolt structure according to claim 1 and 2, it is characterised in that：The draw-in groove（12）
For U-shaped or V-shaped.
4. tower crane slew gear windproof bolt structure according to claim 1, it is characterised in that：The upper cantilever otic placode
（4）With lower cantalever otic placode（5）It is horizontally disposed with.
5. tower crane slew gear windproof bolt structure according to claim 1, it is characterised in that：The shoulder pole pin（7）'s
Length direction and undertaking riser（11）Setting direction it is parallel.
6. tower crane slew gear windproof bolt structure according to claim 1, it is characterised in that：The latch（6）Top
Face is provided with latch handle（13）.
7. tower crane slew gear windproof bolt structure according to claim 6, it is characterised in that：The latch handle（13）
With undertaking riser（11）Vertically.
8. tower crane slew gear windproof bolt structure according to claim 1, it is characterised in that：The axle cap（10）For lid
In latch top surface dished cover or be the upper outside surface flange collar of a week around latch.
9. tower crane slew gear windproof bolt structure according to claim 8, it is characterised in that：The shoulder pole pin（7）Gu
Surely it is connected to the upper surface of dished cover.
10. the tower crane slew gear windproof bolt structure according to claim 1 or 4, it is characterised in that：The upper cantilever ear
Plate（4）Root be fixedly connected on the base plate of turntable（2.1）Outside, the lower cantalever otic placode（5）Root be fixedly connected
In the top board of lower turntable（3.1）Outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621105601.XU CN206051379U (en) | 2016-10-09 | 2016-10-09 | A kind of tower crane slew gear windproof bolt structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621105601.XU CN206051379U (en) | 2016-10-09 | 2016-10-09 | A kind of tower crane slew gear windproof bolt structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206051379U true CN206051379U (en) | 2017-03-29 |
Family
ID=58363591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621105601.XU Expired - Fee Related CN206051379U (en) | 2016-10-09 | 2016-10-09 | A kind of tower crane slew gear windproof bolt structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206051379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112551399A (en) * | 2020-12-01 | 2021-03-26 | 杭州尚研机械制造有限公司 | Fixed tower crane turntable and manufacturing method thereof |
-
2016
- 2016-10-09 CN CN201621105601.XU patent/CN206051379U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112551399A (en) * | 2020-12-01 | 2021-03-26 | 杭州尚研机械制造有限公司 | Fixed tower crane turntable and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20171009 |