CN113184700B - Tower crane holds in palm rope dolly and tower crane - Google Patents
Tower crane holds in palm rope dolly and tower crane Download PDFInfo
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- CN113184700B CN113184700B CN202110556483.3A CN202110556483A CN113184700B CN 113184700 B CN113184700 B CN 113184700B CN 202110556483 A CN202110556483 A CN 202110556483A CN 113184700 B CN113184700 B CN 113184700B
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- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 5
- 239000000306 component Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Control And Safety Of Cranes (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a rope supporting trolley of a tower crane and the tower crane, which belong to the technical field of tower cranes, and comprise a cross frame, pulleys and travelling wheels, wherein the cross frame comprises a first frame and a second frame which are mutually perpendicular, a hole is symmetrically formed in the first frame, the inside of the hole is provided with the pulleys, the first frame is provided with hollow grooves at the two sides of the hole, the hollow grooves are internally provided with sliding blocks, the hollow grooves are provided with cover plates, the tops of the sliding blocks are provided with limit posts, the two ends of a pulley rotating shaft of each pulley are connected with bearings in the sliding blocks at the two sides, pulley protection covers are arranged below the pulleys, and the pulley protection covers are connected with the sliding blocks at the two sides through connecting components; the tripod is vertical setting and its top is provided with the walking wheel, and the tripod top is provided with the walking wheel safety cover, and the walking wheel safety cover is located walking wheel upper portion, is provided with buffer assembly in the walking wheel pivot of walking wheel.
Description
Technical Field
The invention relates to the technical field of tower cranes, in particular to a rope supporting trolley of a tower crane and the tower crane.
Background
A tower crane (tower crane) is a rotary crane with a boom mounted on the upper part of a towering tower body. The working space is large, and the device is mainly used for vertical and horizontal conveying of materials in building construction and mounting of building components, and is a heavy machine commonly used in building construction. The tower crane comprises a crane arm and a load-carrying trolley with trolley wheels and a trolley frame, wherein one ends of the trolley wheels are connected with the trolley frame, and the trolley wheels can roll on the crane arm. The load trolley is a core component of the tower crane, and the structure of the load trolley has an important influence on the overall performance of the crane.
The load rope-supporting trolley of the existing tower crane is mostly of a square structure and is mainly formed by welding square steel, channel steel and angle steel. Because the center distance of the pulleys must be ensured to a certain distance, but because the pulleys are of a fixed design, in order to avoid the stirring of the steel wire ropes in the air in the lifting process, the center distance of the front pulley and the rear pulley is required to be increased, but the steel consumption is correspondingly required to be increased, so that the overall mass of the trolley is larger, if the cost is required to be reduced, the center distance of the pulleys is reduced, the working efficiency is reduced, and the lifting capacity of the crane is affected.
The existing load supporting rope trolley has no protective cover on the walking wheels of the trolley, so that the wheels of the trolley can be broken to fall off under long-term heavy load, and potential safety hazards exist. In addition, the trolley travelling wheels are generally arranged in four corners, so that the four travelling wheels of the trolley are difficult to walk on one plane relatively, the workload of correction and maintenance is increased, single-wheel unilateral abrasion is easy to occur, the stress of the tower crane trolley is uneven, and the stability and safety of work are affected.
Disclosure of Invention
The invention aims to solve the problems and provide a rope supporting trolley of a tower crane and the tower crane, wherein the rope supporting trolley is integrally designed in a cross shape, pulleys of the trolley are arranged to be of a structure with adjustable center distance, the pulleys are protected through pulley protection covers, and the travelling wheels are protected through travelling wheel protection covers, so that the running safety of the trolley is improved, and meanwhile, the compactness and strength of the whole structure of the trolley are guaranteed.
In order to achieve the above purpose, the invention adopts the following technical scheme: the tower crane rope supporting trolley comprises a cross frame, pulleys and travelling wheels, wherein the cross frame comprises a first frame and a second frame which are arranged vertically, a hole is symmetrically formed in the first frame, the pulleys are arranged in the hole, hollow grooves are formed in the two sides of the first frame, the hollow grooves are provided with the sliding blocks, the hollow grooves are provided with cover plates, the top of each sliding block is provided with a limit column, each limit column penetrates through each cover plate and is matched with a nut to limit the sliding block, two ends of a pulley rotating shaft of each pulley are connected with bearings in the sliding blocks on two sides, pulley protection covers are arranged below the pulleys, and each pulley protection cover is connected with the sliding blocks on two sides through connecting components; the tripod is vertical to be set up and its top is provided with the walking wheel, and the tripod top is provided with the walking wheel safety cover, and the walking wheel safety cover is located walking wheel upper portion, be provided with buffer assembly in the walking wheel pivot of walking wheel.
Furthermore, the tripod comprises inverted triangular mounting plates, the triangular mounting plates are arranged in pairs, mounting holes are formed in the two triangular mounting plates, and the travelling wheel rotating shaft is mounted on one side of the triangular mounting plates through the mounting holes; the walking wheel protection cover is of a cover shell structure with an opening at the bottom, the walking wheel protection cover is sleeved on the walking wheel and covers the upper part of the walking wheel, and the walking wheel protection cover is connected to the triangular mounting plate.
Further, be located walking wheel pivot top between two triangle-shaped mounting panels and be provided with buffer assembly, buffer assembly includes the backup pad, and the backup pad bottom is provided with the buffer block, and the buffer block below is provided with the buffer board of activity, and the buffer board bottom is provided with the arc limiting plate, and arc limiting plate cover is located walking wheel pivot in and arc limiting plate both ends all stretch into in the mounting hole.
Furthermore, the buffer block is of a semicircular structure made of rubber materials, the buffer plate is of an arc-shaped structure, two ends of the buffer plate penetrate through the through holes in the supporting plate, and the two ends of the buffer plate are provided with baffle plates above the supporting plate; the arc limiting plate is downward in opening, and the top of the arc limiting plate is connected with the bottom of the buffer plate.
Further, the cover plate is connected to the top of the hollow groove through bolt fastening, a second through hole is formed in the cover plate, the limiting column penetrates through the second through hole in the cover plate, external threads are tapped on the surface of the limiting column, and the limiting column is matched with a nut and tightly presses the cover plate to limit the limiting column through the nut.
Further, the second through hole is of a strip-shaped hole structure, and scale marks are arranged at the side edge of the second through hole.
Further, the pulley protection cover is of a cover shell structure with an opening at the top, through holes are symmetrically formed in a bottom plate of the pulley protection cover to avoid a space for a steel wire rope, the pulley protection cover is sleeved on the lower portion of the pulley and covers the lower portion of the pulley, and two sides of the pulley protection cover are connected with sliding blocks on two sides through connecting assemblies.
Further, the connecting assembly comprises a first connecting plate, the first connecting plate is connected with the bottom of the sliding block, the first connecting plate penetrates through a second through hole in the bottom of the hollow groove, a second connecting plate is arranged at the bottom end of the first connecting plate, and the second connecting plate is connected with the pulley protective cover; the second through hole is of a strip-shaped structure.
Further, a first through hole in a strip shape is formed in the side wall of the hollow groove, and the pulley rotating shaft penetrates through the first through hole and is connected with a bearing arranged in the sliding block.
Further, a first reinforcing rib is arranged between the first frame and the second frame, a second reinforcing rib is arranged between the tripod and the second frame, and reinforcing ribs are arranged between two paired triangular mounting plates of the tripod.
In addition, the invention provides a tower crane, which comprises a rope supporting trolley, wherein the rope supporting trolley is the rope supporting trolley of the tower crane.
The invention has the beneficial effects that:
1. through adopting crisscross whole frame design with the dolly, be favorable to reducing the use of material, be provided with whole slidable pulley on the first frame of crisscross frame, realize the regulation of both sides pulley centre-to-centre spacing to the in-process that has obtained the increase pulley centre-to-centre spacing need not to increase the dolly volume, avoids adopting more steels to lead to whole weight increase scheduling problem. Wherein the pulley sets up in the hole of first frame, first frame is located the hole both sides of digging and is provided with the hollow tank, be provided with the slider in the hollow tank, be provided with the bearing in the slider and link to each other with the pulley pivot, the pulley top is provided with spacing post, spacing post passes the second through-hole on the apron, the cooperation is provided with the nut on the spacing post, the nut compresses tightly the apron and carries out spacing with spacing post to carry out spacing with the slider and fix, thereby realize passing loose nut, and promote spacing post and pass the slider, can realize the position adjustment of pulley. And the second through hole side is provided with the scale mark for the position adjustment of pulley is more convenient accurate.
2. Through setting up the pulley safety cover in pulley bottom, the pulley safety cover shields the protection with the pulley lower part, and the pulley safety cover both sides link to each other with the slider through coupling assembling, realize the synchronous motion of slider, pulley and pulley safety cover. The pulley rotates in the pulley protection cover, and in case accidents such as broken shafts of pulley rotating shafts occur, the pulley falls into the pulley protection cover and cannot directly fall down, and temporary rotation can be performed in the pulley protection cover, so that maintenance can be performed after timely unloading.
3. Likewise, through setting up the walking wheel safety cover above the walking wheel, the upper portion of walking wheel is shielded to the walking wheel safety cover, and when the broken axle accident takes place for the walking wheel, the walking wheel upwards scurries, is covered by the walking wheel safety cover, can also temporarily carry out the transient removal in the walking wheel safety cover to timely shift the maintenance.
4. In addition, in order to enable a plurality of walking wheels to keep rotating in the same horizontal plane, floating type design is carried out on each walking wheel, and a buffer assembly is arranged above a walking wheel rotating shaft, so that a certain height adjustment allowance is arranged between each walking wheel. Wherein the cover is equipped with the arc limiting plate in the walking wheel pivot, and the arc limiting plate is located the mounting hole simultaneously with the walking wheel pivot and both have certain surplus that floats, and arc limiting plate top is to even with the buffer board in intermediate position, and the arc buffer board is connected and can stretch out and draw back in the backup pad, is provided with the buffer block between buffer board and the backup pad. The travelling wheel pivot applys ascending impact force to the arc limiting plate, and this impact force is bent the buffer board, and buffer board and buffer block contact to form multiple cushioning effect, and the setting of buffer board provides certain surplus that floats from top to bottom.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the installation of the pulley of the present invention.
FIG. 3 is a schematic view of a buffer assembly according to the present invention.
Fig. 4 is a schematic view showing the installation of the pulley protector of the present invention.
FIG. 5 is a schematic view of the installation of the slider of the present invention.
Fig. 6 is a schematic structural view of a cover plate portion of the present invention.
Fig. 7 is a schematic view showing the installation of the road wheel guard of the present invention.
The text labels in the figures are expressed as: 1. a first reinforcing rib; 2. a first frame; 3. a second frame; 4. a second reinforcing rib; 5. a tripod; 6. a road wheel protective cover; 7. a walking wheel; 8. a pulley; 9. a pulley rotating shaft; 10. a limit column; 11. a cover plate; 12. a first through hole; 13. a first connection plate; 14. a second connecting plate; 15. a pulley protective cover; 16. a traveling wheel rotating shaft; 17. a buffer plate; 18. a buffer block; 19. a baffle; 20. a support plate; 21. an arc limiting plate; 22. digging holes; 23. a second through hole; 24. a third through hole; 25. a slide block; 26. a hollow groove; 27. a nut; 28. scale marks; 29. and (5) mounting holes.
Detailed Description
The invention is further illustrated by the following examples.
The rope supporting trolley of the tower crane and the tower crane comprise a cross frame, pulleys 8 and travelling wheels 7, wherein the cross frame comprises a first frame 2 and a second frame 3 which are mutually perpendicular, the first frame 2 is symmetrically provided with a hole 22, the hole 22 is internally provided with pulleys 8, the first frame 2 is positioned at two sides of the hole 22 and is provided with hollow grooves 26, the hollow grooves 26 are internally provided with sliding blocks 25, cover plates 11 are arranged on the hollow grooves 26, the tops of the sliding blocks 25 are provided with limiting columns 10, the limiting columns 10 penetrate through the cover plates 11 and cooperate with nuts 27 to limit the sliding blocks 25, two ends of pulley rotating shafts 9 of the pulleys 8 are connected with bearings in the sliding blocks 25 at two sides, pulley protection covers 15 are arranged below the pulleys 8, and the pulley protection covers 15 are connected with the sliding blocks 25 at two sides through connecting components; the tripod 5 of symmetry is provided with at second frame 3 both ends, and tripod 5 is vertical setting and its top is provided with walking wheel 7, and tripod 5 top is provided with walking wheel safety cover 6, and walking wheel safety cover 6 is located walking wheel 7 upper portion, be provided with buffer assembly on walking wheel 7's the walking wheel pivot 16.
Preferably, referring to fig. 1, 3 and 7, the tripod 5 includes inverted triangle mounting plates, the triangle mounting plates are arranged in pairs, mounting holes 29 are formed on the two triangle mounting plates, and the travelling wheel rotating shaft 16 is mounted on one side of the triangle mounting plates through the mounting holes 29; the walking wheel protection cover 6 is of a cover shell structure with an opening at the bottom, the walking wheel protection cover 6 is sleeved on the walking wheel 7 and covers the upper part of the walking wheel 7, and the walking wheel protection cover 6 is connected to the triangular mounting plate. The buffer assembly is arranged above the travelling wheel rotating shaft 16 between the two triangular mounting plates and comprises a support plate 20, a buffer block 18 is arranged at the bottom of the support plate 20, a movable buffer plate 17 is arranged below the buffer block 18, an arc-shaped limiting plate 21 is arranged at the bottom of the buffer plate 17, the travelling wheel rotating shaft 16 is sleeved with the arc-shaped limiting plate 21, and two ends of the arc-shaped limiting plate 21 extend into the mounting holes 29. The buffer block 18 is a semicircular structure made of rubber, the buffer plate 17 is of an arc-shaped structure, two ends of the buffer plate 17 penetrate through holes in the supporting plate 20, and baffle plates 19 are arranged above the supporting plate 20 at two ends of the buffer plate 17; the arc limiting plate 21 is downward opened, and the top of the arc limiting plate is connected with the bottom of the buffer plate 17.
The triangular mounting plates have higher stability, and the triangular mounting plates arranged in pairs form the tripod 5, so that higher strength can be ensured, and meanwhile, the buffer assembly is convenient to set; the buffer assembly provides a certain floating allowance for the travelling wheels 7 while providing a buffer effect in the travelling process for the travelling wheels 7, so that each travelling wheel 7 can move in the same plane as far as possible, the trolley can run more stably, the abrasion of the single travelling wheel 7 is reduced, and the service life of the travelling wheel 7 is prolonged.
Preferably, referring to fig. 1, 2, 5 and 6, the cover plate 11 is fastened to the top of the hollow groove 26 by a bolt, a second through hole 23 is formed in the cover plate 11, the limit post 10 passes through the second through hole 23 on the cover plate 11, an external thread is tapped on the surface of the limit post 10, and the limit post 10 cooperates with a nut 27 and compresses the cover plate 11 through the nut 27 to limit the limit post 10. The second through hole 23 is in a strip-shaped hole structure, and scale marks 28 are arranged at the side edge of the second through hole 23. The position adjustment of the pulleys 8 on two sides can be facilitated by the arrangement of the scale marks 28, and the accuracy of the position adjustment of the pulleys 8 can be ensured.
Preferably, referring to fig. 1 and 4, the pulley protection cover 15 is a top-opened cover structure, through holes are symmetrically formed in a bottom plate of the pulley protection cover 15 to keep away the steel wire rope, the pulley protection cover 15 is sleeved on the lower portion of the pulley 8 and shields the lower portion of the pulley 8, and two sides of the pulley protection cover 15 are connected with the sliding blocks 25 on two sides through connecting components. The connecting assembly comprises a first connecting plate 13, the first connecting plate 13 is connected with the bottom of the sliding block 25, the first connecting plate 13 passes through a third through hole 24 at the bottom of a hollow groove 26, a second connecting plate 14 is arranged at the bottom end of the first connecting plate 13, and the second connecting plate 14 is connected with a pulley protective cover 15; the third through hole 24 has a long strip structure.
Preferably, referring to fig. 1, a first through hole 12 is formed in a side wall of the hollow groove 26, and the pulley shaft 9 passes through the first through hole 12 and is connected with a bearing disposed in the slider 25.
Preferably, as shown in fig. 1 and 2, a first reinforcing rib 1 is disposed between the first frame 2 and the second frame 3, a second reinforcing rib 4 is disposed between the tripod 5 and the second frame 3, and reinforcing ribs are disposed between two paired triangular mounting plates of the tripod 5. The arrangement of the reinforcing ribs at all positions is beneficial to strengthening the overall stability and rigidity of the trolley and improving the use safety.
In addition, the invention provides a tower crane, which comprises a rope supporting trolley, wherein the rope supporting trolley is the rope supporting trolley of the tower crane.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention have been described herein and the above examples have been presented only to assist in understanding the method of the present invention and its core ideas; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (8)
1. The tower crane rope supporting trolley comprises a cross frame, pulleys (8) and travelling wheels (7), and is characterized in that the cross frame comprises a first frame (2) and a second frame (3) which are arranged vertically, the first frame (2) is symmetrically provided with a hole (22), the hole (22) is internally provided with the pulleys (8), the first frame (2) is provided with hollow grooves (26) at two sides of the hole (22), the hollow grooves (26) are internally provided with sliding blocks (25), the hollow grooves (26) are provided with cover plates (11), the tops of the sliding blocks (25) are provided with limit posts (10), the limit posts (10) penetrate through the cover plates (11) and are matched with nuts (27) to limit the sliding blocks (25), two ends of a pulley rotating shaft (9) of the pulleys (8) are connected with bearings in the sliding blocks (25) at two sides, pulley protection covers (15) are arranged below the pulleys (8), and the pulley protection covers (15) are connected with the sliding blocks (25) at two sides through connecting components; symmetrical triangular frames (5) are arranged at two ends of the second frame (3), the triangular frames (5) are vertically arranged, travelling wheels (7) are arranged at the tops of the triangular frames (5), travelling wheel protection covers (6) are arranged at the tops of the triangular frames (5), the travelling wheel protection covers (6) are located at the upper parts of the travelling wheels (7), and buffer assemblies are arranged on travelling wheel rotating shafts (16) of the travelling wheels (7);
the tripod (5) comprises inverted triangular mounting plates, the triangular mounting plates are arranged in pairs, mounting holes (29) are formed in the two triangular mounting plates, and the travelling wheel rotating shaft (16) is mounted on one side of the triangular mounting plates through the mounting holes (29); the walking wheel protection cover (6) is of a cover shell structure with an opening at the bottom, the walking wheel protection cover (6) is sleeved on the walking wheel (7) and covers the upper part of the walking wheel (7), and the walking wheel protection cover (6) is connected to the triangular mounting plate;
be located walking wheel pivot (16) top between two triangle-shaped mounting panels is provided with buffer unit, buffer unit includes backup pad (20), backup pad (20) bottom is provided with buffer block (18), buffer block (18) below is provided with movable buffer board (17), buffer board (17) bottom is provided with arc limiting plate (21), arc limiting plate (21) cover is located walking wheel pivot (16) and in arc limiting plate (21) both ends all stretch into mounting hole (29).
2. The rope supporting trolley of the tower crane according to claim 1, wherein the buffer block (18) is of a semicircular structure made of rubber materials, the buffer plate (17) is of an arc-shaped structure, two ends of the buffer plate (17) penetrate through holes in the supporting plate (20), and baffle plates (19) are arranged above the supporting plate (20) at two ends of the buffer plate (17); the arc limiting plate (21) is downward in opening, and the top of the arc limiting plate is connected with the bottom of the buffer plate (17).
3. The rope supporting trolley of the tower crane according to claim 1, wherein the cover plate (11) is connected to the top of the hollow groove (26) through bolt fastening, a second through hole (23) is formed in the cover plate (11), the limiting column (10) penetrates through the second through hole (23) in the cover plate (11), external threads are tapped on the surface of the limiting column (10), the limiting column (10) is matched with a nut (27) and compresses the cover plate (11) through the nut (27) to limit the limiting column (10).
4. A rope trolley for a tower crane according to claim 3, wherein the second through hole (23) is of a strip-shaped hole structure, and graduation marks (28) are arranged at the side edge of the second through hole (23).
5. The rope supporting trolley of the tower crane according to claim 1, wherein the pulley protection cover (15) is of a shell structure with an opening at the top, through holes are symmetrically formed in a bottom plate of the pulley protection cover (15) to keep away a steel wire rope, the pulley protection cover (15) is sleeved on the lower portion of the pulley (8) and shields the lower portion of the pulley (8), and two sides of the pulley protection cover (15) are connected with sliding blocks (25) on two sides through connecting components.
6. The rope supporting trolley of the tower crane according to claim 5, wherein the connecting assembly comprises a first connecting plate (13), the first connecting plate (13) is connected with the bottom of the sliding block (25), the first connecting plate (13) passes through a third through hole (24) at the bottom of the hollow groove (26), a second connecting plate (14) is arranged at the bottom end of the first connecting plate (13), and the second connecting plate (14) is connected with the pulley protection cover (15); the third through hole (24) is of a strip-shaped structure.
7. The rope supporting trolley of the tower crane according to claim 1, wherein a first through hole (12) in a long strip shape is formed in the side wall of the hollow groove (26), and the pulley rotating shaft (9) passes through the first through hole (12) to be connected with a bearing arranged in the sliding block (25); first strengthening rib (1) is provided with between first frame (2) and second frame (3), be provided with second strengthening rib (4) between tripod (5) and second frame (3), be provided with the strengthening rib between two triangle-shaped mounting panels of tripod (5) in pairs.
8. A tower crane comprising a tower crane rope trolley according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110556483.3A CN113184700B (en) | 2021-05-21 | 2021-05-21 | Tower crane holds in palm rope dolly and tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110556483.3A CN113184700B (en) | 2021-05-21 | 2021-05-21 | Tower crane holds in palm rope dolly and tower crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113184700A CN113184700A (en) | 2021-07-30 |
| CN113184700B true CN113184700B (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110556483.3A Active CN113184700B (en) | 2021-05-21 | 2021-05-21 | Tower crane holds in palm rope dolly and tower crane |
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| CN105164042A (en) * | 2013-03-01 | 2015-12-16 | 科恩起重机有限公司 | Hoisting rope arrangement in crane trolley |
| CN109650255A (en) * | 2018-12-20 | 2019-04-19 | 沈阳建筑大学 | Derrick crane swing trolley hoist self-balancing system |
-
2021
- 2021-05-21 CN CN202110556483.3A patent/CN113184700B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1111856A (en) * | 1997-06-17 | 1999-01-19 | Hitachi Kiden Kogyo Ltd | Overhead 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 |
| 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 |
| CN105164042A (en) * | 2013-03-01 | 2015-12-16 | 科恩起重机有限公司 | Hoisting rope arrangement in crane trolley |
| CN204529147U (en) * | 2015-03-31 | 2015-08-05 | 杨银娟 | A kind of fixing two suspension centre double girder crane of position-adjustable |
| CN109650255A (en) * | 2018-12-20 | 2019-04-19 | 沈阳建筑大学 | Derrick crane swing trolley hoist self-balancing system |
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