CN114105000A - Hoisting assembly and tower crane - Google Patents
Hoisting assembly and tower crane Download PDFInfo
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- CN114105000A CN114105000A CN202111612069.6A CN202111612069A CN114105000A CN 114105000 A CN114105000 A CN 114105000A CN 202111612069 A CN202111612069 A CN 202111612069A CN 114105000 A CN114105000 A CN 114105000A
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- 230000007246 mechanism Effects 0.000 claims abstract description 130
- 230000033001 locomotion Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 3
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- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000009194 climbing Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
- 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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/20—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 specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
- B66C23/208—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 specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided from the side, e.g. by walls of buildings
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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
- 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
- B66C23/06—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 with jibs mounted for jibbing or luffing movements
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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
- 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
- B66C23/16—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 with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
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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
- 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
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides a hoisting assembly and a tower crane, relates to the technical field of constructional engineering machinery, and solves the technical problems of inconvenience and danger in operation when the tower crane is used for dismantling a wall-attached pull rod in the prior art. The hoisting assembly comprises a boom mechanism, a rotary supporting mechanism and a pitching adjusting mechanism, wherein the first end of the boom mechanism is rotatably connected with the rotary supporting mechanism, and the pitching adjusting mechanism is erected between the boom mechanism and the rotary supporting mechanism so that the rotary supporting mechanism can drive the boom mechanism to rotate horizontally and the pitching adjusting mechanism can drive the boom mechanism to rotate vertically in a pitching manner. The invention has small volume, simple structure and flexible and changeable movement adjustment, can carry out multi-angle and multi-direction adjustment and hoisting on the outer side of a building, greatly facilitates the dismantling and transportation of objects in a small space, and has flexible, convenient and safe operation.
Description
Technical Field
The invention relates to the technical field of constructional engineering machinery, in particular to a hoisting assembly and a tower crane.
Background
The dismantling of the wall-attached pull rod of the tower crane is an important component for dismantling the tower crane section, the safety, the convenience and the economy of the dismantling operation are directly related to the subsequent dismantling construction operation of the tower crane, and the dismantling operation is an important ring for regulating and controlling the construction cost.
At present, in the process of dismantling operation of a tower crane, along with the development of section lowering operation, due to the fact that a building on one side is shielded, the rotation range of a cargo boom of the tower crane is severely limited, most of a wall-attached pull rod of the tower crane is arranged on the building side, the dismantling of the wall-attached pull rod needs to involve hoisting and hoisting operation, the tower crane is usually hoisted to be dismantled, and the cargo boom can be obliquely hoisted to the ground close to the crane boom.
However, the removal of the pull rod near the side of the balance arm requires a worker to remove the pull rod up to the balance arm and use a small hoisting block and a steel wire rope to cooperate with the worker to remove the pull rod. If the field condition does not meet the operation condition, a lifting steel wire rope in the main hook direction is needed to be adopted for dismantling operation, in this case, the inclined lifting is required to be obliquely pulled, the operation method violates the safety regulation of 'ten lifting' of the tower crane, and meanwhile, the damage to the finished building is very easy to cause, and even more, the injury accident is easy to occur.
In addition, although a large-tonnage long-arm truck crane can be adopted to match with operators to hoist the pull rod to the ground, the operation improves the operation safety, but the construction cost is greatly improved.
Therefore, how to solve the technical problem of inconvenience and danger in operation when the tower crane is used for dismantling the wall-attached pull rod in the prior art becomes an important technical problem to be solved by the personnel in the field.
Disclosure of Invention
The invention aims to provide a hoisting assembly and a tower crane, and solves the technical problems of inconvenience and danger in operation when the tower crane is used for dismantling a wall-attached pull rod in the prior art. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the hoisting assembly provided by the invention comprises a boom mechanism, a rotary supporting mechanism and a pitching adjusting mechanism, wherein the first end of the boom mechanism is rotatably connected with the rotary supporting mechanism, and the pitching adjusting mechanism is erected between the boom mechanism and the rotary supporting mechanism so that the rotary supporting mechanism can drive the boom mechanism to rotate horizontally and the pitching adjusting mechanism can drive the boom mechanism to rotate vertically in a pitching manner.
Further, rotatory supporting mechanism includes the dwang and is used for carrying out the supporting seat fixed with external equipment, the supporting seat cover is established on the dwang and the supporting seat with be rotatable coupling between the dwang.
Further, the supporting seat and the rotating rod are connected through a gear transmission.
Furthermore, every single move adjustment mechanism includes the second hydraulic drive spare, the one end of second hydraulic drive spare with but boom mechanism carries out swivelling joint, its other end with but swivel support mechanism carries out swivelling joint, the second hydraulic drive spare drives through self concertina movement boom mechanism is close to or props up from swivel support mechanism.
Furthermore, davit mechanism includes flexible arm, flexible arm includes that one or at least two are established and carry out sliding connection's sleeve pipe and first hydraulic drive spare mutually, first hydraulic drive spare is connected the head end and the tail end the sleeve pipe to through first hydraulic drive spare self concertina movement drives each the sleeve pipe is receive and release.
Furthermore, the suspension arm mechanism comprises an extension rod, the extension rod is sleeved in the sleeve of the telescopic arm and can retract or extend out of the sleeve, and a clamping piece is arranged between the extension rod and the sleeve.
The lifting rope is extended out of the hoisting traction piece and laid along the length directions of the rotary supporting mechanism and the suspension arm mechanism.
The lifting device further comprises a guide piece for erecting and supporting the lifting rope, wherein the guide piece is at least arranged at the corner position of the ends of the lifting arm mechanism and the rotating support mechanism.
Further, the dwang is inside hollow side's pipe, the lifting rope runs through the inner chamber of dwang is laid.
The tower crane provided by the invention comprises a tower body and the hoisting assembly, wherein the rotary supporting mechanism of the hoisting assembly is connected with the tower body.
Compared with the prior art, the invention has the following beneficial effects:
according to the hoisting assembly provided by the invention, the boom mechanism, the rotary supporting mechanism and the pitching adjusting mechanism are arranged, when the wall-attached pull rod needs to be dismantled, the boom mechanism is rotated to a required position by adjusting the rotary supporting mechanism, and the rising and sinking angles of the boom mechanism are adjusted by the pitching adjusting mechanism, so that the blocking interference of a building and other external facilities is avoided in the movement process, and meanwhile, the hoisting and transporting of hoisted objects by the boom mechanism are greatly facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a hoisting assembly provided by an embodiment of the invention;
fig. 2 is a schematic position diagram of a hoisting assembly, a tower body and a building provided by the embodiment of the invention;
FIG. 3 is a schematic view of an installation position of a hoisting assembly on a tower crane according to an embodiment of the present invention;
fig. 4 is a schematic view of an installation position of the hoisting assembly and the tower body provided by the embodiment of the invention.
FIG. 1-boom mechanism; 2-a rotation support mechanism; 3-a pitch adjustment mechanism; 4-rotating the rod; 5-a support seat; 6-a second hydraulic drive; 7-a telescopic arm; 8-a sleeve; 9-a first hydraulic drive; 10-an extension pole; 11-a lifting rope; 12-hoisting traction member; 13-a guide; 14-a tower body; 15-a clip; 16-hook.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention aims to provide a hoisting assembly and a tower crane, and solves the technical problems of inconvenience and danger in operation when the tower crane is used for dismantling a wall-attached pull rod in the prior art.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
The technical solution of the present invention will be described in detail with reference to specific examples.
Referring to fig. 1-4, the lifting assembly provided in this embodiment includes a boom mechanism 1, a rotation support mechanism 2 and a pitch adjustment mechanism 3, wherein the rotation support mechanism 2 can be vertically disposed, and can adjust and change the boom mechanism 1 to different angles for lifting operation, the boom mechanism 1 can be laterally extended, a first end of the boom mechanism 1 is rotatably connected to the rotation support mechanism 2, the pitch adjustment mechanism 3 is erected between the boom mechanism 1 and the rotation support mechanism 2, i.e. the pitch adjustment mechanism 3, the rotation support mechanism 2 and the boom mechanism 1 are enclosed to form a triangular layout, the structure is stable, so that the rotation support mechanism 2 can drive the boom mechanism 1 to rotate horizontally and the pitch adjustment mechanism 3 can drive the boom mechanism 1 to rotate vertically, and thus, the present invention can be supported by connecting the rotation support mechanism 2 with an external device, when the wall-attached pull rod needs to be dismantled, the suspension arm mechanism 1 is rotated to a required position by adjusting the rotary supporting mechanism 2, and the lifting and sinking angles of the suspension arm mechanism 1 are adjusted by the pitching adjusting mechanism 3, so that the blocking interference of a building and other external facilities is avoided in the movement process, and meanwhile, the suspension arm mechanism 1 can greatly facilitate the hoisting and transporting of hoisted objects.
Referring to fig. 1, as an alternative implementation manner of the embodiment of the present invention, the rotation supporting mechanism 2 includes a rotation rod 4 and a supporting seat 5 for fixing with an external device, one or at least two supporting seats 5 may be arranged along an axial direction of the rotation rod 4 to support and limit and fix the rotation rod 4, and the supporting seat 5 and the external device may be connected by a hoop, a bolt, or a clamp. The 5 covers of supporting seat are established on dwang 4 and be rotatable coupling between supporting seat 5 and the dwang 4 to dwang 4 rotates, drives davit mechanism 1 that is connected with dwang 4 and rotates jointly, adjusts convenient to use. The driving mode of the rotating rod 4 may be, but is not limited to, manual driving for a person or driving by a driving device, the driving device of the rotating rod 4 may be, but is not limited to, a motor or a hydraulic cylinder, and the angle adjusting range of the rotating support mechanism 2 to the boom mechanism 1 may be, but is not limited to, 0 to 180 degrees.
Further, the supporting seat 5 and the rotating rod 4 are connected through a gear, namely a gear pair is arranged between the supporting seat 5 and the rotating rod 4, so that the transmission is accurate, the efficiency is high, the structure is compact, the work is reliable, and the service life is long.
Referring to fig. 1, as an optional implementation manner of the embodiment of the present invention, the pitch adjustment mechanism 3 includes a second hydraulic driving element 6, one end of the second hydraulic driving element 6 is rotatably connected to the boom mechanism 1, and the other end of the second hydraulic driving element is rotatably connected to the rotation support mechanism 2, the rotational connection may be, but not limited to, a pin hinge, the second hydraulic driving element 6 drives the boom mechanism 1 to approach or separate from the rotation support mechanism 2 through its own telescopic motion, that is, the boom mechanism 1 can adjust its pitch angle in real time along with the telescopic motion of the second hydraulic driving element 6, the second hydraulic driving element 6 can change the raising angle of the boom mechanism 1, and can retract the boom mechanism 1 to the rotation support mechanism 2, so that the transportation is facilitated, and the adjustment and the use are more convenient. The second hydraulic driving member 6 can be but not limited to a hydraulic cylinder, and has a simple structure, large output force and stable and reliable performance. The angular range of the pitch adjustment mechanism 3 may be, but is not limited to, 0 ° to 130 °.
Referring to fig. 1, as an optional implementation manner of an embodiment of the present invention, a boom mechanism 1 includes a telescopic boom 7, where the telescopic boom 7 includes one or at least two sleeves 8 that are sequentially sleeved and can be slidably connected and a first hydraulic driving element 9, and the first hydraulic driving element 9 is connected to the most head end and the most tail end of the sleeves 8, so as to drive each sleeve 8 to retract and retract through the self-telescopic motion of the first hydraulic driving element 9, in this way, the boom mechanism 1 can change a hoisting range by changing its length, and when a large-scale hoisting operation is required, the first hydraulic driving element 9 extends outward and extends to drive each sleeve 8 to expand and slide to the head end and the tail end of each sleeve 8, so that the telescopic boom 7 obtains a larger length; when needs hoist and mount operation of minizone, first hydraulic drive spare 9 is inwards retracted, drives each lantern ring and moves the cover each other and establish the retraction to make the telescopic link obtain less length, length adjustment is convenient and adjust more accurately, realizes the accurate hoist and mount of load hoisting point, can adapt to the hoist and mount operation of different ranges.
The first hydraulic driving member 9 may be, but not limited to, a hydraulic cylinder, and has a simple structure, a large output force, and stable and reliable performance. The cross-sectional shape of the sleeve 8 can be but is not limited to a square pipe, a round pipe or other polygonal pipes, preferably, the sleeve 8 is a square pipe, the structure is stable, adjacent sleeves 8 can be limited to each other, rotation is not easy to occur, and the length range of the boom mechanism 1 can be selected to be 2.5-6 meters.
Further, davit mechanism 1 includes extension rod 10, extension rod 10 cover is located telescopic boom 7's sleeve pipe 8 in, and extension rod 10 can be taken in or stretch out sleeve pipe 8, be provided with joint spare 15 between extension rod 10 and the sleeve pipe 8, joint spare 15 can be but not limited to for the pin joint, so set up, when not using, extension rod 10 can contract inside sleeve pipe 8 in, during the use, can change davit mechanism 1's angle through adjustment every single move adjustment mechanism 3, make telescopic boom 7's tip can rotate to operator position, through pulling out sleeve pipe 8 and fixing it through joint spare 15 outside with the extension, prevent that extension rod 10 from retracting. The extension rod 10 can further extend the length of the boom mechanism 1 in the length of the telescopic boom 7, and the extension rod 10 is small in size and light in weight compared to the telescopic boom 7 in which a plurality of sleeves 8 and the first hydraulic actuator 9 are combined, and can extend the length of the boom mechanism 1 and reduce the increase in weight. Preferably, the extension arm is 2 meters in length.
Referring to fig. 1, as an optional implementation manner of the embodiment of the present invention, the hoisting assembly further includes a lifting rope 11 and a hoisting traction member 12, the lifting rope 11 extends from the hoisting traction member 12 and is laid along the length direction of the rotation support mechanism 2 and the boom mechanism 1, one end of the lifting rope 11 is wound around the hoisting traction member 12 and is retracted and pulled by the hoisting traction member 12, and the other end of the lifting rope 11 is used for hoisting goods, so that the structure is stable to erect, and the hoisting operation is convenient. Wherein, hoist and mount load of hoist pulling member 12 need be equal to or more than 500 kg, and hoist pulling member 12 can be but not limited to be the hoist engine, and it can be fixed the setting mutually with external equipment, if external equipment is tower crane, hoist engine accessible bolt fastening is on the jacket frame platform of tower body 14, and the epitaxial steel sheet of tower body 14 can effectively support the hoist engine, can make the effort conduction of hoist engine to the jacket frame of tower body 14 on. The hoisting end of the hoisting rope 11 may be provided with a hook 16 to facilitate hoisting transportation of goods, and the hoisting rope 11 may be, but is not limited to, a steel wire rope.
Further, this hoist and mount subassembly still includes the guide 13 that is used for erectting support lifting rope 11, and guide 13 sets up in the tip corner position of davit mechanism 1 and rotation support mechanism 2 at least, can reduce the wearing and tearing of lifting rope 11 at corner position, and the hoist and mount operation is safer. Of course, the guide 13 may be provided in plural along the length direction of the boom mechanism 1 and the rotation support mechanism 2 to prevent the lifting rope 11 from being loosened and dislocated from the guide 13, and the guide 13 is provided in at least three sets. The guide member 13 may be, but not limited to, a guide pulley with a bracket, the guide pulley is fixed at a corresponding position by the bracket connection, and the contact connection between the guide pulley and the lifting rope 11 can be converted into rolling of the guide pulley, which can further reduce the wear on the lifting rope 11.
Further, dwang 4 is inside hollow side's pipe, and it is more convenient to adjust control through the rotation of supporting seat 5 to dwang 4. The lifting rope 11 runs through the inner cavity of the rotating rod 4 to be laid, the interference effect of the rotation of the rotating rod 4 on the lifting rope 11 can be greatly reduced, and the winding of the lifting rope 11 at the position of the rotary supporting mechanism 2 is avoided.
Referring to fig. 2-4, the invention further provides a tower crane, which comprises a tower body 14 and the hoisting assembly, wherein the rotary supporting mechanism 2 of the hoisting assembly is connected with the tower body 14, specifically, the rotary supporting mechanism 2 can be connected to a climbing frame of the tower body 14, the rotary rod 4 can be fixed at the lower layer and the middle layer of cross beams of the climbing frame of the tower body 14 through the supporting seat 5, and the deformation probability of the cross beams of the climbing frame of the tower body 14 in the process of dismantling and hoisting can be reduced by sharing the acting force. The invention can add a hoisting component at one side of the tower body 14 close to the building, when the wall-attached pull rod needs to be dismantled, the suspension arm mechanism 1 is rotated to a required position by adjusting the rotating support mechanism 2, and the rising and sinking angles of the suspension arm mechanism 1 are adjusted by the pitching adjustment mechanism 3, so that the blocking interference of the building and other external facilities is avoided in the motion process, and meanwhile, the hoisting and transporting of the hoisting objects by the suspension arm mechanism 1 are greatly facilitated, the invention has small volume, simple structure and flexible and changeable motion adjustment, can carry out multi-angle and multi-direction adjustment and hoisting at the outer side of the building, greatly facilitates the dismantling and transporting of the objects in a small space, is flexible, convenient and safe to operate, can make the dismantling of the wall-attached pull rod at the side of the balance arm of the tower crane more convenient, and can avoid the occurrence of object injury and human injury in the process of the wall-attached dismantling of the tower crane, the dismantling operation of the wall-attached pull rod of tower cranes with different sizes can be met.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a hoisting assembly, its characterized in that, includes davit mechanism (1), rotatory supporting mechanism (2) and every single move adjustment mechanism (3), the first end of davit mechanism (1) with rotatory supporting mechanism (2) carry out rotatable coupling, every single move adjustment mechanism (3) erect in davit mechanism (1) with between the rotatory supporting mechanism (2), so that rotatory supporting mechanism (2) can drive davit mechanism (1) carries out the level to rotating just every single move adjustment mechanism (3) can drive davit mechanism (1) carries out vertical every single move and rotates.
2. The hoisting assembly according to claim 1, wherein the rotary support mechanism (2) comprises a rotating rod (4) and a support seat (5) for fixing with an external device, the support seat (5) is sleeved on the rotating rod (4) and the support seat (5) is rotatably connected with the rotating rod (4).
3. Hoisting assembly according to claim 2, wherein the connection between the support base (5) and the turning rod (4) is a gear transmission.
4. Hoisting assembly according to claim 1, wherein the pitch adjustment mechanism (3) comprises a second hydraulic drive member (6), one end of the second hydraulic drive member (6) is rotatably connected with the boom mechanism (1), and the other end thereof is rotatably connected with the rotation support mechanism (2), and the second hydraulic drive member (6) drives the boom mechanism (1) to approach or support from the rotation support mechanism (2) through the self telescopic motion.
5. Hoisting assembly according to claim 1, wherein the boom mechanism (1) comprises a telescopic boom (7), the telescopic boom (7) comprises one or at least two sleeves (8) which are sequentially sleeved and slidably connected and a first hydraulic driving member (9), and the first hydraulic driving member (9) is connected with the sleeve (8) at the head end and the tail end so as to drive each sleeve (8) to retract and retract through the self-telescopic motion of the first hydraulic driving member (9).
6. Hoisting assembly according to claim 5, wherein the boom mechanism (1) comprises an extension rod (10), the extension rod (10) is sleeved in the sleeve (8) of the telescopic boom (7), and the extension rod (10) can be retracted into or extended out of the sleeve (8), and a clamping member (15) is arranged between the extension rod (10) and the sleeve (8).
7. Hoisting assembly according to claim 2, further comprising a hoisting rope (11) and a hoisting tractor (12), from which hoisting tractor (12) the hoisting rope (11) extends and is laid down in the length direction of the rotation support means (2) and the boom means (1).
8. Hoist assembly according to claim 7, characterized in that it further comprises guides (13) for erecting the supporting ropes (11), which guides (13) are provided at least at the end corners of the boom mechanism (1) and the rotation support mechanism (2).
9. Hoisting assembly according to claim 7, wherein the turning rod (4) is a square tube with a hollow interior, and the hoisting rope (11) is laid through the lumen of the turning rod (4).
10. A tower crane, comprising a tower body (14) and a hoisting assembly according to any one of claims 1-9, the rotary support means (2) of which is connected to the tower body (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111612069.6A CN114105000A (en) | 2021-12-27 | 2021-12-27 | Hoisting assembly and tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111612069.6A CN114105000A (en) | 2021-12-27 | 2021-12-27 | Hoisting assembly and tower crane |
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| Publication Number | Publication Date |
|---|---|
| CN114105000A true CN114105000A (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111612069.6A Pending CN114105000A (en) | 2021-12-27 | 2021-12-27 | Hoisting assembly and tower crane |
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| CN (1) | CN114105000A (en) |
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| AU2021106327A4 (en) * | 2021-08-20 | 2021-11-04 | Sayfa R&D Pty Ltd | An Extendable Needle Davit Assembly |
| CN215101468U (en) * | 2021-04-29 | 2021-12-10 | 南宁职业技术学院 | Special lifting device of assembly type building construction |
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2021
- 2021-12-27 CN CN202111612069.6A patent/CN114105000A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206590786U (en) * | 2017-03-07 | 2017-10-27 | 山东科技大学 | A kind of truck-mounted crane mechanism of small transporting vehicle |
| CN110606438A (en) * | 2019-10-15 | 2019-12-24 | 湖北江威智能汽车股份有限公司 | Detachable rotary crane |
| CN111747312A (en) * | 2020-08-07 | 2020-10-09 | 中昇建机(南京)重工有限公司 | Portable movable arm roof crane capable of being disassembled and assembled |
| CN215101468U (en) * | 2021-04-29 | 2021-12-10 | 南宁职业技术学院 | Special lifting device of assembly type building construction |
| AU2021106327A4 (en) * | 2021-08-20 | 2021-11-04 | Sayfa R&D Pty Ltd | An Extendable Needle Davit Assembly |
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