CN201670669U - Rope support device for jib loading boom of tower crane - Google Patents
Rope support device for jib loading boom of tower crane Download PDFInfo
- Publication number
- CN201670669U CN201670669U CN2010201817587U CN201020181758U CN201670669U CN 201670669 U CN201670669 U CN 201670669U CN 2010201817587 U CN2010201817587 U CN 2010201817587U CN 201020181758 U CN201020181758 U CN 201020181758U CN 201670669 U CN201670669 U CN 201670669U
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- bar
- spring
- fork
- rotating shaft
- sleeve pipe
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Abstract
The utility model discloses a rope support device for a jib loading boom of a tower crane, which comprises a connecting bar 5, an L-shaped oscillating bar and supporting wheels. The connecting bar 5 is connected with a rocking bar 7 through a corner device 6. When the external force is released, the corner device 6 can automatically reset. The rocking bar 7 is an L-shaped structure member welded by a horizontal bar and a vertical bar. A rolling wheel is arranged on the vertical bar of the rocking bar 7 and a supporting wheel is arranged on the horizontal bar of the rocking bar 7. The outside of the two ends of an impact bar 9 is made into an oblique angle 9-2. The corner device 6 comprises a casing pipe 6-1, a revolving shaft 6-2, a spring I 6-6 and a connector 6-5. The casing pipe 6-1 is fixed with the connecting bar 5. A rectangular slot is made along the bus bar direction of the revolving shaft 6-2. A round hole is made on the casing pipe 6-1. The round hole is provided with the spring I 6-6. When the traveling trolley passes through the rope support device, the rolling wheel and the impact bar contact to compress the spring and the revolving shaft drives the oscillating bar in rotation. The supporting wheel supports the downwarp wire rope and the oscillating bar to move synchronously and the traveling trolley passes through smoothly. After finishing the travel of the impact bar, the oscillating bar is reset to the original position.
Description
Technical field
The utility model relates to a kind of vehicle for construction, is specifically related to use on the tower crane length crane arm, avoids the excessive rope supporting device of hoist rope downwarp.
Background technology
Along with the development of construction market, the brachium of tower crane constantly extends, and hoisting capacity constantly promotes, and the hoist rope downwarp is more and more serious.The phenomenon that gib head failed to lay down and caused disorder cable appears when hook is put in zero load.Usually the brachium of tower crane is at 30～50 meters, and the brachium of tower crane has reached 80 meters now, even longer.Hoisting capacity reaches 20～50 tons of rice.Cause the hoist rope downwarp on the crane arm excessive, gib head fails to lay down, and tower crane cisco unity malfunction, disorder cable are accidents caused easily.
Summary of the invention
In order to address the above problem, the utility model provides a kind of jib for tower crane rope supporting device, and this device adopts forms rope supporting device by pipe link, L shaped fork and support roller.According to the length of crane arm, select for use on 1～3 cover this device installation crane arm, the span of raising line is divided into 2～4 sections, by reducing the degree that the steel rope span reduces the steel rope downwarp.A drop bar is installed on crane, and when crane during by rope supporting device, roller contact the back compression spring with drop bar, make the rotation of rotating shaft drive fork, and the support roller holder that downwarp rises steel rope and fork rotates synchronously, and walking dolly passes through smoothly.After the lance stroke was finished, fork returned to original position, continued to hold up the steel rope of downwarp.
The utility model is realized with following technical scheme: a kind of jib for tower crane comprises with rope supporting device: fork, the support roller that is installed in the fork bottom that is installed in pipe link on the crane arm, is connected with pipe link and can rotates, be fixed on the drop bar on the walking dolly; It is characterized in that: described pipe link is connected with fork by angle station, and when external force was removed, angle station can automatically reset; Described fork is the L shaped framing member that is welded by horizon bar and vertical rod, and roll wheel assembly is installed on the vertical rod of fork, and described support roller is installed on the horizon bar of fork; Described drop bar is connected with the vehicle frame of walking dolly by attaching parts, and the outside at drop bar two ends makes the oblique angle.
Described angle station comprises: sleeve pipe, rotating shaft, spring I, joint; Described sleeve pipe is fixed by flange and pipe link outer end; Described rotating shaft sliding fit is installed in the hole of sleeve pipe, and the rotating shaft lower end is connected with joint by bearing pin; Described joint lower end is fixed on the upper end of fork vertical rod; Described rotating shaft generatrix direction is made rectangular channel, makes circular hole on the described sleeve pipe; The end of described spring I is provided with spring perch I, and spring I and spring perch I pass circular hole on the sleeve pipe and be installed in the rectangular channel in the rotating shaft; The other end of spring I is fixed in the hole of pipe link by baffle plate.
Described rotating shaft rectangular channel place, the intersection on its rectangular channel baseplane and the face of cylinder is a fillet.
Described roll wheel assembly is made up of roller and rolling wheel support, and rolling wheel support is installed on the fork, and the installation site of rolling wheel support is adjustable.
The upper end of described sleeve pipe and rotating shaft is horizontally disposed with spring II, and described spring II two ends are connected with steel ball by spring perch II; Described steel ball outer end is installed in the knock hole on the sleeve pipe.
Good effect of the present utility model is:
1, the holder rope is effective, thoroughly avoids the hoist rope downwarp excessive, guarantees the normal trouble free service of tower crane.
2, rope supporting device automatic guidance, after walking dolly passed through smoothly, fork returned to original position.
3, rational in infrastructure, cheap, easy to utilize.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is done and to be described in further detail.
Fig. 1 is the utility model structural representation.
Fig. 2 is the A place partial enlarged drawing of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 2.
Fig. 4 is the C place partial enlarged drawing of Fig. 1.
Fig. 5 is the birds-eye view of Fig. 4.
Fig. 6 is the utility model installation site scheme drawing.
Among the figure: 1, walking dolly, 2, crane arm, 3, suspension hook, 5, pipe link, 5-1, flange, 5-2, baffle plate, 6, angle station, 6-1, sleeve pipe, 6-2, rotating shaft, 6-3, spring perch I, 6-4, bearing pin, 6-5, joint, 6-6, spring I, 6-7, steel ball, 6-8, spring perch II, 6-9, spring II, 6-10, knock hole, 7, fork, 8, roll wheel assembly, 8-1, roller, 8-2, rolling wheel support, 9, drop bar, 9-1, attaching parts, 9-2, oblique angle, 10, support roller.
The specific embodiment
As Fig. 1, Fig. 4, shown in Figure 5: a kind of jib for tower crane comprises with rope supporting device with holder: be installed in pipe link 5 on the crane arm 2, be connected fork 7, the support roller 10 that is installed in fork 7 bottoms that also can rotate with pipe link 5, be fixed on the drop bar 9 on the walking dolly 1; It is characterized in that: described pipe link 5 is connected with fork 7 by angle station 6, and when external force was removed, angle station 6 can automatically reset; Described fork 7 is the L shaped framing members that are welded by horizon bar and vertical rod, and roll wheel assembly 8 is installed on the vertical rod of fork 7, and described support roller 10 is installed on the horizon bar of fork 7; Described drop bar 9 is connected with the vehicle frame of walking dolly 1 by many attaching parts 9-1, and the outside at drop bar 9 two ends makes oblique angle 9-2; The height of roll wheel assembly 8 and drop bar 9 are on same horizontal surface.
As shown in Figure 6:, select for use many these devices of cover to install on the crane arm according to the length of crane arm.Present embodiment is installed three covers, the span of raising line is divided into 4 sections, by reducing the degree that the steel rope span reduces the steel rope downwarp.
As Fig. 2, shown in Figure 3: described angle station 6 comprises: sleeve pipe 6-1, rotating shaft 6-2, spring I 6-6, joint 6-5; Described sleeve pipe 6-1 fixes by flange 5-1 and pipe link 5 outer ends; Described rotating shaft 6-2 sliding fit is installed in the hole of sleeve pipe 6-1, and rotating shaft 6-2 lower end is connected with joint 6-5 by bearing pin 6-4; Described joint 6-5 lower end is fixed on the upper end of rocking bar 7 vertical rods; Described rotating shaft 6-2 generatrix direction is made rectangular channel, and described sleeve pipe 6-1 goes up and makes circular hole; The end of described spring I 6-6 is provided with spring perch I 6-3, and spring I 6-6 and spring perch I 6-3 pass circular hole on the sleeve pipe 6-1 and be installed in the rectangular channel on the rotating shaft 6-2; The other end of spring I 6-6 is fixed in the hole of pipe link 5 by baffle plate 5-2.
In the remainder, the intersection on its rectangular channel baseplane and the face of cylinder is a fillet behind the described rotating shaft 6-2 making rectangular channel.
Described roll wheel assembly 8 is made up of roller 8-1 and rolling wheel support 8-2, and rolling wheel support 8-2 is installed on the fork 7, and the installation site is adjustable, and roller 8-1 is contacted with oblique angle 9-2 on the drop bar 9.
During tower crane work, walking dolly 1 moves along crane arm 2, when walking dolly 1 passes through rope supporting device, roller 8-1 contacts with the oblique angle 9-2 of drop bar 9 ends, rolling wheel support 8-2 drives fork 7 and rotates, support roller 10 is asking downwarp steel rope and fork 7 to rotate synchronously, and support roller 10 departs from suspension hook 4, and crane 1 passes through smoothly.Simultaneously, rotate also to drive thereupon and rotate, rotate compression spring I 6-6.After drop bar 9 strokes were finished, the fork 7 pressured elastic potential energys that contract spring I 6-6 returned to original position, and support roller 10 continues to hold up the steel rope effect of downwarp.
The upper end of described sleeve pipe 6-1 and rotating shaft 6-2 is horizontally disposed with spring II 6-9, and described spring II 6-9 two ends are connected with steel ball 6-7 by spring perch II6-8; Described steel ball 6-7 outer end is installed among the knock hole 6-10 on the sleeve pipe 6-1.The effect of spring II 6-9 is to make rotating shaft 6-2 return to original position, guarantees the accuracy of support roller 10 holder rope positions.
Claims (5)
1. a jib for tower crane comprises with rope supporting device: fork (7), the support roller (10) that is installed in fork (7) bottom that is installed in pipe link (5) on the crane arm (2), is connected with pipe link (5) and can rotates, be fixed on the drop bar (9) on the walking dolly (1); It is characterized in that: described pipe link (5) is connected with fork (7) by angle station (6), and when external force was removed, angle station (6) can automatically reset; Described fork (7) is the L shaped framing member that is welded by horizon bar and vertical rod, and roll wheel assembly (8) is installed on the vertical rod of fork (7), and described support roller (10) is installed on the horizon bar of fork (7); Described drop bar (9) is connected with the vehicle frame of walking dolly (1) by attaching parts (9-1), and the outside at drop bar (9) two ends makes oblique angle (9-2).
2. jib for tower crane rope supporting device according to claim 1 is characterized in that: described angle station (6) comprising: sleeve pipe (6-1), rotating shaft (6-2), spring I (6-6), joint (6-5); Described sleeve pipe (6-1) is fixed by flange (5-1) and pipe link (5) outer end; Described rotating shaft (6-2) sliding fit is installed in the hole of sleeve pipe (6-1), and rotating shaft (6-2) lower end is connected with joint (6-5) by bearing pin (6-4); Described joint (6-5) lower end is fixed on the upper end of fork (7) vertical rod; Described rotating shaft (6-2) generatrix direction is made rectangular channel, and described sleeve pipe (6-1) is gone up and made circular hole; The end of described spring I (6-6) is provided with spring perch I (6-3), and spring I (6-6) and spring perch I (6-3) pass circular hole on the sleeve pipe (6-1) and be installed in the rectangular channel in the rotating shaft (6-2); The other end of spring I (6-6) is fixed in the hole of pipe link (5) by baffle plate (5-2).
3. jib for tower crane rope supporting device according to claim 2 is characterized in that: described rotating shaft (6-2) rectangular channel place, the intersection on its rectangular channel baseplane and the face of cylinder is a fillet.
4. jib for tower crane according to claim 2 is used rope supporting device with holding in the palm, it is characterized in that: described roll wheel assembly (8) is made up of roller (8-1) and rolling wheel support (8-2), rolling wheel support (8-2) is installed on the fork (7), and the installation site of rolling wheel support (8-2) is adjustable.
5. jib for tower crane rope supporting device according to claim 2, it is characterized in that: the upper end of described sleeve pipe (6-1) and rotating shaft (6-2) is horizontally disposed with spring II (6-9), and described spring II (6-9) two ends are connected with steel ball (6-7) by spring perch II (6-8); Described steel ball (6-7) outer end is installed in the knock hole (6-10) on the sleeve pipe (6-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201817587U CN201670669U (en) | 2010-04-24 | 2010-04-24 | Rope support device for jib loading boom of tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201817587U CN201670669U (en) | 2010-04-24 | 2010-04-24 | Rope support device for jib loading boom of tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201670669U true CN201670669U (en) | 2010-12-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201817587U Expired - Fee Related CN201670669U (en) | 2010-04-24 | 2010-04-24 | Rope support device for jib loading boom of tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201670669U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234072A (en) * | 2010-04-24 | 2011-11-09 | 徐州建机工程机械有限公司 | Rope holding apparatus for tower crane boom |
| CN103112784A (en) * | 2011-11-17 | 2013-05-22 | 浙江虎霸建设机械有限公司 | Tower crane dragrope device |
| CN104261278A (en) * | 2014-10-13 | 2015-01-07 | 马记 | Herringbone mast hoisting system provided with flexible guide rails and hoisting method |
| CN105236318A (en) * | 2015-10-22 | 2016-01-13 | 浙江省电力建设有限公司 | Hanging basket guiding device used for painting inner wall of hyperbolic-type cooling tower and painting method |
| CN107253671A (en) * | 2017-08-17 | 2017-10-17 | 三海洋重工有限公司 | For the Tuo Sheng mechanisms of bank bridge, bank bridge grider component and An Qiao |
-
2010
- 2010-04-24 CN CN2010201817587U patent/CN201670669U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234072A (en) * | 2010-04-24 | 2011-11-09 | 徐州建机工程机械有限公司 | Rope holding apparatus for tower crane boom |
| CN103112784A (en) * | 2011-11-17 | 2013-05-22 | 浙江虎霸建设机械有限公司 | Tower crane dragrope device |
| CN104261278A (en) * | 2014-10-13 | 2015-01-07 | 马记 | Herringbone mast hoisting system provided with flexible guide rails and hoisting method |
| CN105236318A (en) * | 2015-10-22 | 2016-01-13 | 浙江省电力建设有限公司 | Hanging basket guiding device used for painting inner wall of hyperbolic-type cooling tower and painting method |
| CN107253671A (en) * | 2017-08-17 | 2017-10-17 | 三海洋重工有限公司 | For the Tuo Sheng mechanisms of bank bridge, bank bridge grider component and An Qiao |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Jianjun Inventor after: Li Shiping Inventor after: Wang Houzhen Inventor after: Zhou Shengyu Inventor after: Zhang Lianwen Inventor after: Wang Feng Inventor after: Shi Xiangang Inventor before: Wang Jianjun Inventor before: Zhang Lianwen Inventor before: Wang Feng Inventor before: Li Shiping Inventor before: Zhou Shengyu Inventor before: Wang Houzhen Inventor before: Wang Tiezhu |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG JIANJUN ZHANG LIANWEN WANG FENG LI SHIPING ZHOU SHENGYU WANG HOUZHEN WANG TIEZHU TO: WANG JIANJUN LI SHIPING WANG HOUZHEN ZHOU SHENGYU ZHANG LIANWEN WANG FENG SHI XIANGANG |
|
| 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: 20101215 Termination date: 20170424 |