CN204474191U - The jib body dumping mechanism of tower crane - Google Patents
The jib body dumping mechanism of tower crane Download PDFInfo
- Publication number
- CN204474191U CN204474191U CN201520082239.8U CN201520082239U CN204474191U CN 204474191 U CN204474191 U CN 204474191U CN 201520082239 U CN201520082239 U CN 201520082239U CN 204474191 U CN204474191 U CN 204474191U
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- jib
- suspension bracket
- bracket assembly
- amplitude variation
- support assembly
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Abstract
The utility model relates to a kind of jib body dumping mechanism of tower crane, comprise jib, the main chord of jib slidably connects amplitude variation trolley, the upper surface of amplitude variation trolley is fixedly connected with column, column upper surface is fixedly connected with U-shaped joint pin, U-shaped joint pin is vertical with main chord, latching device is provided with between U-shaped joint pin, latching device is fixedly connected with main chord, U-shaped joint pin is rotatably connected to suspension bracket assembly and support assembly, suspension bracket assembly and support assembly originate in same bearing pin, the other end extends to the two ends, left and right of jib respectively, connected by steel rope between suspension bracket assembly and support assembly, support assembly is fixedly connected with chain block, suspension bracket assembly end is provided with suspension hook, chain block and suspension hook are all towards jib direction.When amplitude variation trolley moves to corresponding hoisting point position, locked by latching device, avoid amplitude variation trolley to move, reach the object utilizing self mechanism to dismantle self structure.
Description
Technical field
The utility model relates to a kind of body dumping mechanism, and particularly a kind of jib body dumping mechanism of tower crane, belongs to field of machining.
Background technology
At the construction field (site), usually must increase a 8t wheel crane with crane arm dismounting to lift by crane at arm end, 16t wheel crane is lifting by crane near arm root, Liang Tai crane work compound, make crane arm upwarp suitable angle, start lifting mechanism, tighten up the hoist rope worn in advance around tower head assembly pulley, make the pull bar bearing pin of tower head not bear stretching force, then destroy this bearing pin; Then pull bar and tower head assembly pulley are hung onto crane arm top and fix.Operating personal wants wear safety belt; Crane arm is adjusted to horizontality, and makes the hoist cable of two wheel cranes keep vertical; 16t wheel crane upwards suitably tightens up wire rope sling, installs steel rope guard hoop between arm root and tower head additional; Destroy bearing pin, staff will join large safety strap, and when preventing from turning greatly week down, arm crane arm root ejects suddenly and crushes or wound; Cargo boom root two bearing pins remove guard hoop rapidly after destroying, and two cranes are worked in coordination with and crane arm is hung onto ground; With four suspension centre liftings that a 16t wheel crane specifies at equilibrium arm, make equilibrium arm upwarp suitable angle, destroy the bearing pin of pull bar, the cable wire of lifting should pin with 5t shackle below suspension hook, prevents slippage to be shifted, puts pull bar well, make equilibrium arm Reversion Level state; Steel rope guard hoop is installed additional between equilibrium arm root, tower head; Beat balancing arm root bearing pin; Come loose guard hoop, and equilibrium arm is hung onto ground; Crane arm and pull bar are disintegrated, wants during disintegration pull bar first pull bar to be fixed, prevent pull bar from sliding and have one's foot squashed; Dismounting tower head, pivoting support, tower body first segment and climbing frame.So, when carrying out jib for equipment such as not having conditional pass automobile at the construction field (site), the dismounting of jib just has great difficulty.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of jib body dumping mechanism of tower crane, amplitude variation trolley fixed position on main chord is controlled by latching device, by strut assembly and suspension rod assembly determination hoisting point position, be convenient to safe and reliable dismounting arm, make dismantlement work safety and steady.
For overcoming the above problems, concrete technical scheme of the present utility model is as follows: a kind of jib body dumping mechanism of tower crane, comprise jib, the main chord of jib slidably connects amplitude variation trolley, the upper surface of amplitude variation trolley is fixedly connected with column, column upper surface is fixedly connected with U-shaped joint pin, U-shaped joint pin is vertical with main chord, latching device is provided with between U-shaped joint pin, latching device is fixedly connected with main chord, U-shaped joint pin is rotatably connected to suspension bracket assembly and support assembly, suspension bracket assembly and support assembly originate in same bearing pin, the other end extends to the two ends, left and right of jib respectively, connected by steel rope between suspension bracket assembly and support assembly, support assembly is fixedly connected with chain block, suspension bracket assembly end is provided with suspension hook, chain block and suspension hook are all towards jib direction.When amplitude variation trolley moves to corresponding hoisting point position, locked by latching device, avoid amplitude variation trolley to move, reach the object utilizing self mechanism to dismantle self structure.
Preferably, described support assembly is consisted of attaching parts two struts; Suspension bracket assembly is consisted of attaching parts two suspension rods, and two struts are all rotationally connected with amplitude variation trolley.
Preferably, described latching device is made up of four geometrical clamps, and each geometrical clamp is made up of clamping plate I and clamping plate II, and clamping plate I and clamping plate II are fixed on two opposite faces of jib.
Preferably, one end that described suspension bracket assembly is connected with steel rope is connected with pulley, and steel rope is connected by pulley.
Preferably, the upper end of described suspension bracket assembly is provided with anti-jump reel for rope.
The beneficial effect that the utility model brings is: when 1, amplitude variation trolley moves to corresponding hoisting point position, is locked by latching device, avoids amplitude variation trolley to move, and prevents amplitude variation trolley from tumbling, and reaches the object utilizing self mechanism to dismantle self structure.
2, support is provided with chain block, can realize by chain block the effect adjusting suspension centre and the whole mechanism of balance.
3, whole mechanism can construct under without the equipment of lift heavy, is convenient to in-site installation, increases work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the jib body dumping mechanism of tower crane.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is amplitude variation trolley structural representation.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is suspension bracket assembly structure schematic diagram.
Fig. 6 is the close-up schematic view of Fig. 5.
Fig. 7 is support assembly structure schematic diagram.
Wherein, 1-jib, 2-main chord, 3-amplitude variation trolley, 4-column, 5-U type joint pin, 6-suspension bracket assembly, 7-support assembly, 8-steel rope, 9-chain block, 10-suspension hook, 11-attaching parts, 12-geometrical clamp, 13-pulley, the anti-jump reel for rope of 14-.
Detailed description of the invention
As shown in Figures 1 to 4, a kind of jib body dumping mechanism of tower crane, comprise jib 1, the main chord 2 of jib 1 slidably connects amplitude variation trolley 3, the upper surface of amplitude variation trolley 3 is fixedly connected with column 4, column 4 upper surface is fixedly connected with U-shaped joint pin 5, U-shaped joint pin 5 is vertical with main chord 2, latching device is provided with between U-shaped joint pin 5, latching device is fixedly connected with main chord 2, U-shaped joint pin 5 is rotatably connected to suspension bracket assembly 6 and support assembly 7, suspension bracket assembly 6 and support assembly 7 originate in same bearing pin, the other end extends to the two ends, left and right of jib 1 respectively, connected by steel rope 8 between suspension bracket assembly 6 and support assembly 7, support assembly 7 is fixedly connected with chain block 9, suspension bracket assembly 6 end is provided with suspension hook 10, chain block 9 and suspension hook 10 are all towards jib 1 direction.When amplitude variation trolley 3 moves to corresponding hoisting point position, locked by latching device, avoid amplitude variation trolley 3 to move, reach the object utilizing self mechanism to dismantle self structure.
As shown in Figures 5 to 7, preferably, described support assembly 7 is consisted of attaching parts 11 two struts; Suspension bracket assembly 6 is consisted of attaching parts 11 two suspension rods, and two struts are all rotationally connected with amplitude variation trolley 3.
Preferably, described latching device is made up of four geometrical clamps 12, and each geometrical clamp 12 is made up of clamping plate I and clamping plate II, and clamping plate I and clamping plate II are fixed on two opposite faces of jib 1.
Preferably, one end that described suspension bracket assembly 6 is connected with steel rope 8 is connected with pulley 13, and steel rope 8 is connected by pulley 13.
Preferably, the upper end of described suspension bracket assembly 6 is provided with anti-jump reel for rope 14.
Suspension bracket assembly 6 and support assembly 7 are rotationally connected with amplitude variation trolley 3, chain block 9 is installed and keeps balance by chain block 9, can by the difference adjustment hoisting point position of chain block 9 according to removed position, when amplitude variation trolley 3 moves to hoisting point position, geometrical clamp 12 is locked amplitude variation trolley 3, avoid amplitude variation trolley 3 to tumble, after having dismantled, remove chain block 9 and geometrical clamp 12, move amplitude variation trolley 3 when needs carry out next self-unloading work to design parking stall, repeat aforesaid operations.
Above-described is only preferred embodiment of the present utility model.It should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model principle, some modification and improvement can also be made, also should be considered as belonging to protection domain of the present utility model.
Claims (5)
1. the jib body dumping mechanism of a tower crane, comprise jib, it is characterized in that: the main chord on jib slidably connects amplitude variation trolley, the upper surface of amplitude variation trolley is fixedly connected with column, column upper surface is fixedly connected with U-shaped joint pin, U-shaped joint pin is vertical with main chord, latching device is provided with between U-shaped joint pin, latching device is fixedly connected with main chord, U-shaped joint pin is rotatably connected to suspension bracket assembly and support assembly, suspension bracket assembly and support assembly originate in same bearing pin, the other end extends to the two ends, left and right of jib respectively, connected by steel rope between suspension bracket assembly and support assembly, support assembly is fixedly connected with chain block, suspension bracket assembly end is provided with suspension hook, chain block and suspension hook are all towards jib direction.
2. the jib body dumping mechanism of tower crane as claimed in claim 1, is characterized in that: described support assembly is consisted of attaching parts two struts; Suspension bracket assembly is consisted of attaching parts two suspension rods, and two struts are all rotationally connected with amplitude variation trolley.
3. the jib body dumping mechanism of tower crane as claimed in claim 1, it is characterized in that: described latching device is made up of four geometrical clamps, each geometrical clamp is made up of clamping plate I and clamping plate II, and clamping plate I and clamping plate II are fixed on two opposite faces of jib.
4. the jib body dumping mechanism of tower crane as claimed in claim 1, is characterized in that: one end that described suspension bracket assembly is connected with steel rope is connected with pulley, and steel rope is connected by pulley.
5. the jib body dumping mechanism of tower crane as claimed in claim 1, is characterized in that: the upper end of described suspension bracket assembly is provided with anti-jump reel for rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520082239.8U CN204474191U (en) | 2015-02-06 | 2015-02-06 | The jib body dumping mechanism of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520082239.8U CN204474191U (en) | 2015-02-06 | 2015-02-06 | The jib body dumping mechanism of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204474191U true CN204474191U (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520082239.8U Active CN204474191U (en) | 2015-02-06 | 2015-02-06 | The jib body dumping mechanism of tower crane |
Country Status (1)
| Country | Link |
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| CN (1) | CN204474191U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105329787A (en) * | 2015-11-10 | 2016-02-17 | 王亚 | Following lifting or internal climbing type self-discharging crane arm |
| CN106744359A (en) * | 2016-12-16 | 2017-05-31 | 江苏省华建建设股份有限公司 | The dumping device of tower crane counter-jib |
| CN115557403A (en) * | 2022-10-21 | 2023-01-03 | 徐州建机工程机械有限公司 | Multifunctional load trolley and tower crane |
-
2015
- 2015-02-06 CN CN201520082239.8U patent/CN204474191U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105329787A (en) * | 2015-11-10 | 2016-02-17 | 王亚 | Following lifting or internal climbing type self-discharging crane arm |
| CN106744359A (en) * | 2016-12-16 | 2017-05-31 | 江苏省华建建设股份有限公司 | The dumping device of tower crane counter-jib |
| CN115557403A (en) * | 2022-10-21 | 2023-01-03 | 徐州建机工程机械有限公司 | Multifunctional load trolley and tower crane |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |