CN108706480B - Tower crane main steel wire rope supporting device - Google Patents
Tower crane main steel wire rope supporting device Download PDFInfo
- Publication number
- CN108706480B CN108706480B CN201811012123.1A CN201811012123A CN108706480B CN 108706480 B CN108706480 B CN 108706480B CN 201811012123 A CN201811012123 A CN 201811012123A CN 108706480 B CN108706480 B CN 108706480B
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- rope supporting
- rope
- trolley
- lifting
- rod
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 31
- 239000010959 steel Substances 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000003028 elevating effect Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000007665 sagging Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention belongs to the technical field of tower cranes, and particularly discloses a tower crane main steel wire rope supporting device which comprises a crane arm body, a crane trolley slidingly mounted on the crane arm body and a rope supporting mechanism, wherein the rope supporting mechanism comprises a plurality of rope supporting rollers arranged at the lower part of the crane arm body, one ends of the rope supporting rollers are hinged on the crane arm body, a rotating structure which enables the rope supporting rollers to be positioned at the lower side of a steel wire rope is arranged at a hinge point of the rope supporting rollers and the crane arm body, and a triggering structure which drives the rope supporting rollers to rotate is arranged on the crane trolley. According to the scheme, the trigger structure and the rotary structure are arranged, so that the lifting trolley can smoothly pass through the rope supporting mechanism, and the rope supporting mechanism can not interfere with the normal operation of the lifting trolley. And the rope supporting roller in the scheme is arranged at the lower part of the crane boom body, and the whole structure is small and compact, the structure is simple and the load is small.
Description
Technical Field
The invention belongs to the technical field of tower cranes, and particularly relates to a tower crane main steel wire rope supporting device.
Background
The tower crane is also called as tower crane for short. Is hoisting equipment used in building construction. Along with the continuous increase of high-rise buildings and large-scale construction projects, the demands for large-scale tower cranes are correspondingly increased. At present, the length of the lifting arm of some large-scale tower cranes is 80 meters, the maximum lifting weight is continuously increased, and the diameter of the lifting wire rope is thickened. Therefore, the problem that the sagging deflection of the lifting steel wire rope is overlarge when the tower crane is in idle load is inevitably generated. As shown in fig. 1, the maximum sagging deflection H of the hoisting wire rope may reach more than 10 meters with respect to a tower crane with a boom length of 80 meters. In this case, not only is the danger brought to the construction of the building; and the rope winding and unwinding time during hoisting can be increased, and the construction efficiency of the tower crane is reduced.
In large-scale construction engineering, a plurality of large-scale tower cranes and other building equipment work simultaneously, and the working amplitudes of the large-scale tower cranes and other building equipment are staggered and overlapped. In order to avoid interference problems between each tower crane and other building equipment or buildings, the adopted traditional method is to increase the height of the tower body of the tower crane, which can certainly increase the equipment cost and increase the risk of the operation of the tower crane; if the method of increasing the weight of the lifting hook is adopted to reduce the sagging deflection of the lifting steel wire rope, the maximum lifting weight of the tower crane is also likely to be reduced under the condition that other factors are unchanged.
Disclosure of Invention
The invention aims to provide a tower crane main steel wire rope supporting device which is simple in structure and small in load.
In order to achieve the above purpose, the basic scheme of the invention is as follows: the tower crane main steel wire rope supporting device comprises a crane arm body and a crane trolley which is slidably mounted on the crane arm body, and further comprises a rope supporting mechanism, wherein the rope supporting mechanism comprises a plurality of rope supporting rollers arranged on the lower portion of the crane arm body, one ends of the rope supporting rollers are hinged to the crane arm body, a rotating structure which enables the rope supporting rollers to be located on the lower side of a steel wire rope is arranged at a hinge point of the rope supporting rollers and the crane arm body, and a triggering structure which drives the rope supporting rollers to rotate is arranged on the crane trolley.
The working principle and the beneficial effects of the basic scheme are as follows: in the operation process of the tower crane, main steel wire ropes at two sides of the lifting trolley are positioned on rope supporting rollers of the lifting arm body, and the rope supporting rollers support the steel wire ropes at two sides of the lifting trolley, so that the excessive sagging deflection of the steel wire ropes at two sides of the lifting trolley can be avoided. When the lifting trolley is close to the rope supporting mechanism, the triggering structure applies a rotating force to the rope supporting roller, so that the rope supporting roller rotates, namely, the rope supporting roller is separated from the lower side of the steel wire rope, and at the moment, the rope supporting roller is positioned on one side of the middle moving track of the lifting trolley, so that the lifting trolley can smoothly pass through the rope supporting mechanism. When the trolley passes through the rope supporting mechanism completely, the rope supporting roller loses the force applied by the triggering structure to the trolley, and the rope supporting roller resets under the action of the rotating structure and is positioned at the lower side of the steel wire rope again, so that the rope supporting roller continues to support the steel wire rope. According to the scheme, the trigger structure and the rotary structure are arranged, so that the lifting trolley can smoothly pass through the rope supporting mechanism, and the rope supporting mechanism can not interfere with the normal operation of the lifting trolley. And the rope supporting roller in the scheme is arranged at the lower part of the crane boom body, and the whole structure is small and compact, the structure is simple and the load is small.
Further, the revolution mechanic includes the center pin of fixed mounting on the jib loading boom body, rotates on the center pin and installs rotatory cover, is equipped with the first elastic component that is used for driving rotatory cover to reset between rotatory cover and the center pin, hold in the palm rope roller fixed connection and sheathe in rotatory, under the initial state, hold in the palm rope roller under the effect of first elastic component with the running track mutually perpendicular of trolley, one side rotation that rotatory cover is close to holds in the palm rope roller installs the trigger wheel. The first elastic piece guarantees that the moving track of the rope supporting roller and the moving track of the lifting trolley are mutually perpendicular, and the rope supporting roller can support the main steel wire rope.
Further, the trigger structure comprises a trigger rod fixedly installed on the trolley, two ends of the trigger rod are respectively located at two sides of the trolley, two ends of the trigger rod are wedge-shaped, and an inclined plane of the wedge-shaped end is opposite to the trigger wheel. The trigger rod end inclined plane can drive the rotary sleeve to rotate when contacting the trigger wheel.
Further, the trigger rod comprises a fixed rod fixedly installed on the trolley and movable rods arranged at two ends of the fixed rod, buffer parts are arranged between the two movable rods and the fixed rod, and the buffer parts are used for connecting the movable rods with the fixed rod through second elastic pieces. The setting like this can offset the reaction force of trigger wheel pair trigger lever through the second elastic component, guarantees the running stability of travelling bogie.
Further, the first elastic piece is a torsion spring, the second elastic piece is a spring, and the spring and the torsion spring are all easy available resources in the market and are low in price.
Further, still be equipped with elevating system on the jib loading boom body, elevating system includes two screws that rotate and install on the jib loading boom body, two screws are located the both sides of center pin respectively, all be equipped with the lifting rod on two screws, be equipped with on the lifting rod with screw rod complex nut, rotate on the jib loading boom body be connected with two respectively with two coaxial swivel joints that set up of screw rod, all fixedly connected with slide bar on two swivel joints, two lifting rods respectively sliding connection are on two slide bars, the first incomplete gear with swivel sleeve fixed connection is installed in the epaxial rotation of center, all fixed mounting have can with first incomplete gear engagement's first drive gear on two screws, the swivel joint is located the top of swivel sleeve, and lifting rod and rope supporting roller are located same horizontal plane when lifting rod and swivel joint, the epaxial rotation of center is installed with swivel sleeve fixed connection's second incomplete gear, equal fixed mounting has on two swivel joints can with second incomplete gear engagement. So set up, can raise the main wire rope upwards through elevating system when the travelling crane passes through the rope roller, guarantee that the rope roller of holding in the palm can the unhindered follow main wire rope downside and withdraw.
Drawings
FIG. 1 is a schematic diagram of a tower crane main wire rope support apparatus of example 1;
FIG. 2 is a cross-sectional view of B-B in FIG. 1;
fig. 3 is a schematic structural view of embodiment 2;
FIG. 4 is a cross-sectional view of A-A in FIG. 3;
fig. 5 is a schematic diagram showing a process of passing the trolley through the rope roller in example 2.
Detailed Description
The invention is described in further detail below by way of specific embodiments:
reference numerals illustrate: the lifting trolley 1, the trigger rod 2, the supporting beam 3, the rope supporting roller 4, the trigger wheel 5, the lifting rod 6, the sliding rod 7, the second transmission gear 8, the rotary sleeve 9, the central shaft 10, the second incomplete gear 11, the middle beam 12, the bottom beam 13, the reinforcing beam 14, the main steel wire rope 15, the T-shaped sliding block 16, the first transmission gear 17, the first incomplete gear 18 and the screw 19.
Example 1
As shown in fig. 1 and 2, a tower crane main wire rope supporting device comprises a crane arm body, a crane trolley 1 slidably mounted on the crane arm body and a rope supporting mechanism arranged on the crane arm body. The boom body comprises two lower chords which are parallel to each other, and a plurality of supporting beams 3 are fixedly arranged between the two lower chords. The trolley 1 comprises two vertical struts, a bottom beam 13 is fixedly connected between the lower ends of the two struts, a middle beam 12 is fixedly connected between the middle parts of the two struts, two stiffening beams 14 which are arranged in a crossing mode are fixedly connected between the bottom beam 13 and the middle beam 12, the upper ends of the two struts are respectively and slidably arranged on two lower chords, a space exists between the middle beam 12 and the supporting beam 3, and a wire wheel group for winding and unwinding a main wire rope 15 is fixedly arranged on the middle beam 12.
The rope supporting mechanism comprises a plurality of rope supporting rollers 4, the rope supporting rollers 4 are respectively arranged on the lower surfaces of the supporting beams 3, a slewing mechanism is arranged between the rope supporting rollers 4 and the supporting beams 3 and comprises a central shaft 10 fixedly arranged on the lower surfaces of the supporting beams 3, the central shaft 10 is vertically arranged, the lower end of the central shaft 10 is located above a middle beam 12, a rotating sleeve 9 is rotatably arranged on the central shaft 10, a first elastic piece for driving the rotating sleeve 9 to reset is arranged between the rotating sleeve 9 and the central shaft 10, one end of the rope supporting roller 4 is fixedly connected to the rotating sleeve 9, the rope supporting rollers 4 are horizontally arranged, the first elastic piece is a torsion spring, and the rope supporting rollers 4 are mutually parallel to the supporting beams 3 through the torsion spring in an initial state. The side of the rotary sleeve 9, which is close to the rope supporting roller 4, is rotatably provided with a trigger wheel 5. The utility model provides a fixed mounting has trigger lever 2 on the well roof beam 12 of trolley 1, trigger lever 2 is parallel to each other with the lower chord member, trigger lever 2's both ends are located the both sides of trolley 1 respectively, trigger lever 2 includes dead lever and two movable rods, dead lever and movable rod are the rectangle pole, dead lever fixed mounting is on well roof beam 12, the smooth chamber has all been seted up at the both ends of dead lever, two movable rods slidable mounting respectively in the smooth chamber at dead lever both ends, fixedly connected with second elastic component between the one end that the movable rod was kept away from to movable rod and smooth chamber, the second elastic component is the spring. The end parts of the two movable rods are provided with inclined planes facing the trigger wheel 5, and the inclined planes are opposite to the trigger wheel 5.
In specific implementation, the main steel wire ropes 15 on two sides of the lifting trolley 1 are all positioned on the rope supporting roller 4. In the process that the trolley 1 moves on the trolley arm body, when the trolley 1 approaches the rope supporting roller 4, the trigger rod 2 on the trolley 1 is firstly contacted with the trigger wheel 5, the trigger rod 2 applies a force for enabling the trigger wheel 5 to move towards the running direction of the trolley 1, the trigger wheel 5 is rotationally connected to the rotating sleeve 9, the rotating sleeve 9 is rotationally arranged on the central shaft 10, so that the trigger wheel 5 is stressed to drive the rotating sleeve 9 to rotate around the central shaft 10, and the rope supporting roller 4 is fixedly connected to the rotating sleeve 9, so that the rope supporting roller rotates along with the rotating sleeve 9 from the direction perpendicular to the main steel wire rope 15 to be parallel to the main steel wire rope 15, the trolley 1 continues to move, and the torsion spring ensures that the trigger wheel 5 is tightly attached to the trigger rod 2 until the rope supporting roller 4 is completely parallel to the main steel wire rope 15, so that the trolley 1 can smoothly pass through. When the trigger lever 2 contacts with the trigger wheel 5, the trigger wheel 5 applies a reaction force to the trigger lever 2, and since the trigger lever 2 comprises a fixed lever and a movable lever, the spring and the movable lever are connected in a sliding manner, the reaction force applied to the trigger lever 2 by the trigger wheel 5 can be counteracted through deformation of the spring, and the stability of the trolley 1 in the moving process is ensured.
Example 2
As shown in fig. 3, fig. 4 and fig. 5, the difference between this embodiment and embodiment 1 is that the supporting beam 3 is further provided with a lifting mechanism, the lifting mechanism includes two screws 19 rotatably mounted on the lower surface of the supporting beam 3, the two screws 19 are respectively located at two sides of the central shaft 10, the screws 19 are located at one side of the central shaft 10 far away from the rope supporting roller 4, the two screws 19 are respectively provided with a lifting rod 6, the lifting rods 6 are provided with nuts matched with the screws 19, the supporting beam 3 is further provided with two swivel rings, the two swivel rings are respectively located at two sides of the central shaft 10, the two swivel rings are respectively coaxially arranged with the two screws 19, the upper surface of the swivel rings is provided with a T-shaped sliding block 16, the supporting beam 3 is provided with an annular T-shaped sliding groove, the T-shaped sliding block 16 is slidably connected in the T-shaped sliding groove, and an elastic piece is connected between the T-shaped sliding block 16 and the side wall of the T-shaped sliding groove. The two swivel rings are fixedly connected with slide bars 7, slide holes matched with the slide bars 7 are formed in the two lifting rods 6, and the two lifting rods 6 are respectively and slidably connected to the two slide bars 7. The central shaft 10 is rotatably provided with a first incomplete gear 18, the first incomplete gear 18 is fixedly connected with the rotary sleeve 9, the first incomplete gear 18 is positioned below the rotary sleeve 9, and the two screws 19 are fixedly provided with a first transmission gear 17 which can be meshed with the first incomplete gear 18. The swivel is located above the swivel 9 and the lifting lever 6 is in the same level as the rope roller 4 when the lifting lever 6 is in contact with the swivel. The central shaft 10 is rotatably provided with a second incomplete gear 11, the second incomplete gear 11 is positioned above the rotary sleeve 9 and fixedly connected with the rotary sleeve 9, and the two rotary rings are fixedly provided with second transmission gears 8 which can be meshed with the second incomplete gear 11.
In the process that the trigger rod 2 pushes the rope supporting roller 4 and the rotating sleeve 9 to rotate, as the first incomplete gear 18 is rotatably arranged on the central shaft 10 and is fixedly connected with the rotating sleeve 9, the rotating sleeve 9 can drive the first incomplete gear 18 to rotate when rotating, and as the first transmission gear 17 which can be meshed with the first incomplete gear 18 is fixedly arranged on the screw rod 19, the first incomplete gear 18 can drive the left screw rod 19 to rotate through the left first transmission gear 17 when rotating, at the moment, the first incomplete gear 18 is not meshed with the right first transmission gear 17, the screw rod 19 drives the left lifting rod 6 to move upwards through the nut when rotating, the lifting rod 6 can lift up the main steel wire rope 15 when moving upwards, so that the rope supporting roller 4 can smoothly rotate on the lower side of the main steel wire rope 15 and leave the main steel wire rope 15, the lifting rod 6 does not lift when being rotated by the rotating ring, the screw rod 19, the lifting rod 6 and the rotating ring form a whole, and the lifting rod 6 are flush with the rope supporting roller 4, and the lifting rod 6 can be driven to leave the main steel wire rope 15 when rotating, and the lifting rod 6 rotates together with the main steel wire rope 15. The rotating sleeve 9 drives the other lifting rod 6 to rotate from the direction perpendicular to the main steel wire rope 15 to the direction parallel to the main steel wire rope 15 through the second incomplete gear 11 in the rotating process, so that the lifting rod 6 on the right side cannot interfere with the movement of the trolley. After the lifting trolley 1 passes through, the rotary sleeve 9 resets under the action of the torsion spring, so that the lifting rod 6 and the rope supporting roller 4 reset, and the rope supporting roller 4 continuously supports the main steel wire rope 15.
The foregoing is merely exemplary embodiments of the present application, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present application, and these should also be considered as the scope of the present application, which does not affect the effect of the implementation of the present application and the utility of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (1)
1. Tower owner wire rope holds in palm rope device, including jib loading boom body and slidable mounting on the jib loading boom body's travelling car, its characterized in that: the lifting trolley is characterized by further comprising a rope supporting mechanism, wherein the rope supporting mechanism comprises a plurality of rope supporting rollers arranged at the lower part of the lifting arm body, one ends of the rope supporting rollers are hinged to the lifting arm body, a rotating structure which enables the rope supporting rollers to be positioned at the lower side of the steel wire rope is arranged at a hinged point of the rope supporting rollers and the lifting arm body, and a triggering structure which drives the rope supporting rollers to rotate is arranged on the lifting trolley;
The rotary structure comprises a central shaft fixedly arranged on the crane arm body, a rotary sleeve is rotatably arranged on the central shaft, a first elastic piece for driving the rotary sleeve to reset is arranged between the rotary sleeve and the central shaft, the rope supporting roller is fixedly connected to the rotary sleeve, in an initial state, the rope supporting roller is mutually perpendicular to the running track of the crane trolley under the action of the first elastic piece, and a trigger wheel is rotatably arranged on one side, close to the rope supporting roller, of the rotary sleeve;
The trigger structure comprises a trigger rod fixedly arranged on the trolley, two ends of the trigger rod are respectively positioned at two sides of the trolley, two ends of the trigger rod are wedge-shaped, and the inclined plane of the wedge-shaped end part is opposite to the trigger wheel;
the trigger rod comprises a fixed rod fixedly arranged on the trolley and movable rods arranged at two ends of the fixed rod, buffer parts are arranged between the two movable rods and the fixed rod, and the buffer parts connect the movable rods with the fixed rod through second elastic pieces;
The first elastic piece is a torsion spring, and the second elastic piece is a spring;
The crane arm body comprises two lower chords which are parallel to each other, and a plurality of supporting beams are fixedly arranged between the two lower chords;
still be equipped with elevating system on the jib loading boom body, elevating system includes two screws that rotate and install on the jib loading boom body, two screws are located the both sides of center pin respectively, all be equipped with the lifting rod on two screws, be equipped with on the lifting rod with screw rod complex nut, rotate on the jib loading boom body and be connected with two swivel joints that set up with two screws are coaxial respectively, be equipped with T shape slider on the swivel joint upper surface, set up annular T shape spout on the supporting beam, T shape slider sliding connection is in T shape spout, be connected with the elastic slice between T shape slider and the T shape spout lateral wall, equal fixedly connected with slide bar on two swivel joints, two lifting rods sliding connection are on two slide bars respectively, rotate on the center pin and install the first incomplete gear with swivel sleeve fixed connection, equal fixed mounting has the first drive gear that can mesh with first incomplete gear on two screws, the swivel joint is located the top of swivel sleeve, and lifting rod and rope supporting roller are located same horizontal plane when swivel joint contact, install the second incomplete gear with swivel sleeve fixed connection on the center pin, two incomplete gears that can all mesh with second complete drive gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811012123.1A CN108706480B (en) | 2018-08-31 | 2018-08-31 | Tower crane main steel wire rope supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811012123.1A CN108706480B (en) | 2018-08-31 | 2018-08-31 | Tower crane main steel wire rope supporting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108706480A CN108706480A (en) | 2018-10-26 |
| CN108706480B true CN108706480B (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811012123.1A Active CN108706480B (en) | 2018-08-31 | 2018-08-31 | Tower crane main steel wire rope supporting device |
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| Country | Link |
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| CN (1) | CN108706480B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2148384A1 (en) * | 1971-08-06 | 1973-03-23 | Potain Sa | |
| JPH07277665A (en) * | 1994-04-04 | 1995-10-24 | Kobe Steel Ltd | Complementary hook storing device of wheel type crane |
| CN2359263Y (en) * | 1998-12-29 | 2000-01-19 | 建设部长沙建设机械研究院 | Anti-falling device for wirerope of tower crane |
| JP2001158590A (en) * | 1999-12-03 | 2001-06-12 | Kobelco Contstruction Machinery Ltd | Entanglement preventing device for hoisting wire of crane |
| CN2855992Y (en) * | 2005-12-08 | 2007-01-10 | 抚顺永茂工程机械有限公司 | Towing rope bogie of tower crane |
| CN201729606U (en) * | 2010-07-01 | 2011-02-02 | 山东国弘重工机械有限公司 | Movable rope bearing device of tower crane |
| 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 |
| CN202744232U (en) * | 2012-08-23 | 2013-02-20 | 江苏正兴建设机械有限公司 | Tower crane long suspension arm lifting steel rope supporting device |
| CN104340863A (en) * | 2014-10-11 | 2015-02-11 | 华电重工股份有限公司 | Traversing type double-trolley system and traversing type multi-trolley system |
| CN204958233U (en) * | 2015-08-04 | 2016-01-13 | 贾林昕 | Tower crane plays to rise wire rope and holds in palm rope device |
| CN106829758A (en) * | 2016-11-10 | 2017-06-13 | 大连益利亚工程机械有限公司 | A kind of anti-downwarp device of full-automatic intelligent derrick crane raising line |
| CN208791059U (en) * | 2018-08-31 | 2019-04-26 | 中建重庆机械租赁有限公司 | Tower crane main rope rope supporting device |
-
2018
- 2018-08-31 CN CN201811012123.1A patent/CN108706480B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2148384A1 (en) * | 1971-08-06 | 1973-03-23 | Potain Sa | |
| JPH07277665A (en) * | 1994-04-04 | 1995-10-24 | Kobe Steel Ltd | Complementary hook storing device of wheel type crane |
| CN2359263Y (en) * | 1998-12-29 | 2000-01-19 | 建设部长沙建设机械研究院 | Anti-falling device for wirerope of tower crane |
| JP2001158590A (en) * | 1999-12-03 | 2001-06-12 | Kobelco Contstruction Machinery Ltd | Entanglement preventing device for hoisting wire of crane |
| CN2855992Y (en) * | 2005-12-08 | 2007-01-10 | 抚顺永茂工程机械有限公司 | Towing rope bogie of tower crane |
| 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 |
| CN201729606U (en) * | 2010-07-01 | 2011-02-02 | 山东国弘重工机械有限公司 | Movable rope bearing device of tower crane |
| CN202744232U (en) * | 2012-08-23 | 2013-02-20 | 江苏正兴建设机械有限公司 | Tower crane long suspension arm lifting steel rope supporting device |
| CN104340863A (en) * | 2014-10-11 | 2015-02-11 | 华电重工股份有限公司 | Traversing type double-trolley system and traversing type multi-trolley system |
| CN204958233U (en) * | 2015-08-04 | 2016-01-13 | 贾林昕 | Tower crane plays to rise wire rope and holds in palm rope device |
| CN106829758A (en) * | 2016-11-10 | 2017-06-13 | 大连益利亚工程机械有限公司 | A kind of anti-downwarp device of full-automatic intelligent derrick crane raising line |
| CN208791059U (en) * | 2018-08-31 | 2019-04-26 | 中建重庆机械租赁有限公司 | Tower crane main rope rope supporting device |
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| Publication number | Publication date |
|---|---|
| CN108706480A (en) | 2018-10-26 |
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