CN112110361A - Tower crane and driving and braking integrated device thereof - Google Patents
Tower crane and driving and braking integrated device thereof Download PDFInfo
- Publication number
- CN112110361A CN112110361A CN202011297334.1A CN202011297334A CN112110361A CN 112110361 A CN112110361 A CN 112110361A CN 202011297334 A CN202011297334 A CN 202011297334A CN 112110361 A CN112110361 A CN 112110361A
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- Prior art keywords
- driving
- tower crane
- winding drum
- integrated
- brake
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/12—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect
- B66D5/14—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with axial effect embodying discs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a tower crane and a driving and braking integrated device thereof. The device comprises a driving and braking integrated device, a winding drum support, a driving motor, a planetary reducer and a brake integrated in the winding drum. The planetary reducer is accommodated in an inner cavity of a central cylinder of the winding drum, the brake comprises a cylindrical shell, a friction plate assembly used for locking the wheel shaft, a hydraulic module and an oil pipe, a first end of the cylindrical shell is fixedly connected with a body of the driving motor, a second end of the cylindrical shell is connected with the first planet carrier through a second bearing, the second end of the cylindrical shell extends into the inner cavity of the central cylinder of the winding drum, and the wheel shaft and the driving shaft are arranged in the cylindrical shell in a penetrating mode. Therefore, the brake part is integrated into the planetary reducer, and the planetary reducer is integrated into the winding drum, so that the hoisting mechanism of the tower crane is more compact, and lighter in mass and volume through the integrated design.
Description
Technical Field
The invention relates to the field of heavy-duty machinery, in particular to a tower crane and a driving and braking integrated device thereof.
Background
The tower crane is the most common equipment on a construction site, is used for lifting raw materials for construction, and is indispensable equipment on the construction site. The existing hoisting equipment for the tower crane generally comprises an asynchronous motor, a multistage parallel shaft planetary reducer, a hydraulic brake, a tower crane winding drum and other parts. When in construction site, because the motor, the planetary reducer and the brake in the hoisting mechanism of the traditional tower crane have large volume and mass; the hydraulic brake mechanism is expensive, and the traditional electro-hydraulic brake is exposed and often fails; when hoisting is needed to be hoisted at a high place, a hydraulic brake is not easy to maintain and repair, a brake belt and a brake wheel are easy to wear and break down, and the hydraulic brake of some hoisting equipment needs to lock a winding drum for braking, so that very large impact force needs to be borne, and the service life of the hoisting equipment of the tower crane is shortened.
Therefore, it is desirable to provide a new driving and braking integrated device for a tower crane to solve the above technical problems.
Disclosure of Invention
The invention mainly aims to provide a driving and braking integrated device of a tower crane, which aims to solve the technical problems that a motor, a planetary reducer and a brake of the existing tower crane are inconvenient to install, complicated to operate, long in time consumption, large in occupied volume and mass, and a brake belt and a brake wheel are always in failure due to the fact that a traditional electrohydraulic push rod brake is exposed outside, so that safety accidents are caused.
In order to achieve the above object, the present invention provides a driving and braking integrated device for a tower crane, comprising a winding drum, a winding drum support, a driving motor, a planetary reducer, and a brake integrated in the winding drum, wherein,
the winding drum comprises a driving side and a bearing side which are oppositely arranged, the bearing side of the winding drum is rotatably connected to the winding drum support through a flange connecting shaft, and an opening is formed in the driving side;
the planetary reducer penetrates through the opening and is accommodated in the inner cavity of the winding drum; the planetary speed reducer comprises a planetary speed reduction gear set, and the planetary speed reduction gear set comprises a sun gear, an inner gear ring, a first planet gear and a first planet carrier; the wheel shaft of the sun wheel is arranged coaxially with the reel shaft, the wheel shaft partially extends out of the opening, and the first planet carrier is in transmission connection with the driving side so as to enable the reel to rotate along with the first planet carrier;
the driving motor is arranged on one side of the driving side of the winding drum, and a driving shaft of the driving motor is connected with the wheel shaft so as to drive the wheel shaft to rotate;
the brake comprises a cylindrical shell coaxially arranged with the drum shaft, a friction plate assembly used for locking the wheel shaft, a hydraulic module and an oil pipe, wherein a first end of the cylindrical shell is fixedly connected with the body of the driving motor, a second end of the cylindrical shell is connected with the first planet carrier through a second bearing, the second end of the cylindrical shell partially extends into the opening, and the wheel shaft and the driving shaft are arranged in the cylindrical shell in a penetrating mode; the friction plate assembly is connected with the output end of the hydraulic module to hold or release the wheel shaft.
Further, the first planet carrier is fixedly connected with the driving side.
Further, the first planet carrier is in transmission connection with the driving side through a gear.
Furthermore, external teeth are arranged on the first planet carrier; the opening is circular, the driving side is connected with a transmission inner gear ring, and the transmission inner gear ring is located on the inner side of the opening and accommodated in the inner cavity.
Furthermore, the planetary reducer comprises a cylindrical box body with an opening at one end, and a bottom plate of the box body is fixed on a fixing frame arranged in an inner cavity of the winding drum so as to fix the box body and the winding drum; the opening of the box body is also outwards turned to form an annular skirt edge, and the skirt edge and the driving side are fixed through screws; the planetary reduction gear set is arranged inside the box body.
Further, the planetary reduction gear set further comprises a second planet carrier and a second planet wheel meshed with the ring gear and the sun gear.
Furthermore, the brake is a wet friction plate brake, and the driving motor is a permanent magnet synchronous motor.
Further, the reel support includes the reel axle sleeve and set up in first bearing in the reel axle sleeve, first bearing is self-aligning roller bearing, the flange connecting axle is regarded as the reel hub connection of reel is in the self-aligning roller bearing.
And the gear pair of the limiting mechanism is connected with the flange connecting shaft of the winding drum through a connecting rod.
The invention also provides a tower crane, which comprises a tower crane body, a rack and a driving and braking integrated device of the tower crane; the driving and braking integrated device is fixed on the rack.
The invention provides a driving and braking device for a tower crane through integrated design, wherein a bearing side of a winding drum is rotatably connected to a winding drum support through a flange connecting shaft, and an opening is formed in the driving side; a planetary reducer passing through said opening and received in the internal cavity of said central cylinder, said first planet carrier of the planetary reducer being drivingly connected to said drive side of said central cylinder to transmit torque therefrom to cause said drum to rotate with said first planet carrier; the second end of the cylindrical shell of the brake is connected with the first planet carrier through a second bearing, the second end part of the cylindrical shell extends into the opening, and the wheel shaft and the driving shaft are arranged in the cylindrical shell in a penetrating mode; the friction plate assembly is connected with the output end of the hydraulic module to hold or release the wheel shaft. Therefore, the brake is integrated into the planetary reducer and the winding drum, and the hoisting mechanism of the tower crane is more compact, and lighter in mass and volume through the integrated design.
The tower crane and the driving and braking integrated device thereof at least have the following advantages:
(1) the invention has the advantages of simple structure, convenient operation, concise installation, convenient maintenance and maintenance;
(2) the driving and braking integrated device has the advantages that the brake part is integrated into the planetary reducer, and the planetary reducer is integrated into the winding drum, so that the mass and the volume of the hoisting mechanism of the tower crane are greatly reduced through the integrated design;
(3) furthermore, a winding drum of the driving and braking integrated device is connected to the planet carrier through a bearing, so that better stability can be provided, and the rigidity is stronger; the planet gear planetary reducer is used for replacing the traditional planetary reducer, and the advantages of large transmission torque, small noise, lighter weight and smaller volume are achieved;
(4) furthermore, the permanent magnet synchronous motor is used for replacing the traditional motor, so that the energy is saved and the environment is protected;
(5) the wet friction plate type brake is used for replacing the traditional brake, and the electronic button is used for replacing a push rod for control, so that the operation is more convenient and safer.
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 structures shown in the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a drive and brake integrated apparatus of a tower crane according to an embodiment of the present invention;
FIG. 2 is a schematic sectional view of the assembly of the planetary reducer and brake of the integrated drive and brake apparatus of FIG. 1;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
In the figure: 1-a winding drum; 11-a central cylinder; 111-drive side; 112-bearing side; 113-lumen; 12-a winding section; 13-flange connecting shaft; 14-a connecting rod; 2-a reel support; 21-reel sleeve; 22-a first bearing; 3-driving a motor; 31-a drive shaft; 4-a planetary reducer; 41-sun gear; 411-wheel axle; 42-ring gear, 43-first planet gear; 44-a first planet carrier; 401-a box body; 402-a backplane; 403-skirt edge; 45-a second planet carrier; 46-a second planet wheel; 5-a brake; 51-a cylindrical housing; 52-friction plate assembly, 53-hydraulic module; 54-tubing; 541-small oil pipe; 62-a second bearing; 7-a limiting mechanism.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-3, there are shown schematic structural and schematic diagrams of a driving and braking integrated device of a tower crane according to an embodiment of the present invention. It should be understood that fig. 1-2 are only used for illustrating the principle and structural examples of the present embodiment, and are not the only limitations on the structure of the present invention.
The driving and braking integrated device comprises a winding drum 1, a winding drum support 2, a driving motor 3, a planetary reducer 4 and a brake 5 integrated in the winding drum 1.
The winding drum 1 comprises a driving side 111 and a bearing side 112 which are oppositely arranged, the bearing side 112 of the winding drum 1 is connected to the winding drum support 2 through a flange connecting shaft 13, and an opening (not shown) is formed in the driving side 111. Specifically, the winding drum 1 includes a central cylinder 11 and a winding portion 12 disposed around an outer ring of the central cylinder 11, and a driving side 111 and a bearing side 112 disposed opposite to each other are respectively located on both end surfaces of the central cylinder 11.
Wherein the reel 1 is rotatable about a reel axis by a drive input of the drive side 111.
The planetary reducer 4 passes through the opening and is accommodated in the inner cavity 113 of the central cylinder 11; the planetary reducer 4 includes a planetary reduction gear set (not numbered) including a sun gear 41, a ring gear 42, first planet gears 43, and a first carrier 44; the axle 411 of the sun wheel 41 is arranged coaxially to the spool shaft, the axle 411 partly protruding out of the opening, the first planet carrier 44 being drivingly connected to the drive side 111 of the central cylinder 11 for transferring torque out for the spool 11 to follow the first planet carrier 44. Specifically, the transmission manner of the planetary reduction gear set is that a sun gear (not shown) of the sun gear 41 is engaged with the first planet gear 43, the first planet gear 43 is fixed on the first planet carrier 44, and the first planet gear 43 is engaged with the ring gear. It will be appreciated that the transmission configuration and manner of the planetary reduction gear set is not so limited, and may be any one or more planetary reduction gear set configurations that include the first carrier as the torque output.
It will be understood by those skilled in the art that the first planet carrier 44 serves as a torque output structure of the planetary reducer 4, and the first planet carrier 44 is drivingly connected to the driving side 111 of the central cylinder 11 by interlocking the driving side 111 of the drum 11.
Specifically, in this embodiment, the driving side 111 may be fixedly connected to the case 401 of the planetary gear set 4, and then the side of the first carrier 44 is fixedly connected to the case 401 by screws, mortises, and tenons, and the sun gear 41 may be used as power input to finally drive the first carrier 44 to output power, thereby linking the spool 1.
In other embodiments, the first planet carrier 44 may also be in geared connection with the driving side 11 of the central cylinder 11. For example, in an alternative embodiment, the first carrier 44 is provided with external teeth; the opening is a circular opening, and a driving side 111 of the central cylinder 11 is connected with a transmission ring gear (not shown), which is positioned at the inner side of the opening and is accommodated in the inner cavity; so that rotation is transmitted to the drum 1 by the rotation of the first carrier 44 via the engagement of the external teeth with the driving ring gear; in addition, in the embodiment, the transmission ring gear can further play a role in speed reduction.
The driving motor 3 is disposed at one side of the driving side 111 of the winding drum 11, and the driving shaft 31 of the driving motor 3 is connected to the axle 411 of the sun gear 41 to drive the axle 411 to rotate.
The brake 5 comprises a cylindrical shell 51 coaxially arranged with the spool shaft, a friction plate assembly 52 for locking the axle 411, a hydraulic module 53 and an oil pipe 54, wherein a first end (not numbered in the figure) of the cylindrical shell 51 is fixedly connected with a body (not numbered in the figure) of the driving motor 3, a second end of the cylindrical shell 51 is connected with the first planet carrier 44 through a second bearing 62, the second end part of the cylindrical shell 51 extends into the opening, and the axle 411 and the driving shaft 31 are arranged in the cylindrical shell 51 in a penetrating manner; the friction plate assembly 52 is connected to the output of the hydraulic module 53 to tighten or loosen the axle 411.
Wherein the second end part of the cylindrical shell 51 extends into the opening, so that the brake 5 is partially accommodated in the winding drum 1 and the planetary reducer 4, and the mass and the volume of the hoisting mechanism of the tower crane are greatly reduced through the integrated design. The second end of the cylindrical housing 51 is connected to the first carrier 44 through a second bearing 62, so that the first carrier 44 can rotate smoothly relative to the integrated drive and brake device.
Specifically, the pressure in the oil pressure cavity of the hydraulic module 53 is controlled by the amount of oil input into the oil pipe 54, and then the output end of the hydraulic module 53 is controlled to drive the friction plate assembly 52 to clamp or release the axle 411, so that the axle 411 is braked and released. The oil pipe 54 includes an outer pipe (not numbered) disposed outside the cylindrical housing 51, and a small oil pipe 541 located inside the cylindrical housing 51 and connecting the hydraulic module and the outer pipe.
In the process of using the driving and braking integrated device, the drum shaft can be horizontally placed by fixing the drum support 2 and the cylindrical shell 51 of the brake 5 on the frame of the tower crane in a screw or welding mode, and the output power of the driving motor 3 is transmitted to the driving side 111 of the drum 1 after being reduced by the planetary reducer 4, so that the drum 1 is driven to rotate.
In the embodiment, the driving and braking device of the tower crane is designed by integration, wherein the bearing side 112 of the reel 1 is rotatably connected to the reel support 2 through a flange connecting shaft 13, and the driving side 111 is provided with an opening; the planetary reducer 4 passes through said opening and is housed in the internal cavity 113 of said central cylinder 11, said first planet carrier 44 of the planetary reducer 4 being drivingly connected to said driving side 111 of said central cylinder 11, so as to transmit a torque to cause said drum 11 to follow said first planet carrier 44; the second end of the cylindrical housing 51 of the brake 5 is connected with the first carrier 44 through a second bearing 62, the second end of the cylindrical housing 51 partially extends into the opening, and the wheel shaft 411 and the driving shaft 31 are arranged in the cylindrical housing 51 in a penetrating manner; the friction plate assembly 52 is connected to the output of the hydraulic module 53 to tighten or loosen the axle 411. Therefore, the brake 5 is integrally designed into the planetary reducer 4 and the winding drum 1, and the hoisting mechanism of the tower crane is more compact, lighter in mass and volume through the integrated design.
Further, referring to fig. 1 and 2 again, the planetary reduction gear 4 includes a cylindrical case 401 having an open end, and the planetary reduction gear set is disposed inside the case 401. A bottom plate 402 of the box 401 is fixed to a fixing frame (not shown) provided in an inner cavity of the central cylinder 11 to fix the box 401 to the central cylinder 11; the opening of the box 11 is also turned outwards to form a skirt 403 in the shape of a ring, the skirt 403 being fixed to the driving side 111 of the central cylinder 11 by screws (not numbered). In the present embodiment, the casing 401 of the planetary reducer 4 is fixed to the spool 1 and rotates following the spool 1; the sun gear 41, the ring gear 42 and the first planet gear 43 of the planetary reduction gear set do not rotate along with the box 401, the rotation of the sun gear 41 is used as power input, and finally the first planet carrier 44 is driven to be power output, so that the winding drum 1 is linked to rotate.
In an alternative embodiment, please refer to fig. 2 and 3 together, the planetary reduction gear set further comprises a second planet carrier 45 and second planet gears 46 meshing with the ring gear 42 and the sun gear. The planetary reducer 4 adopts a secondary planetary reduction structure, the rotation ratio of the secondary reducer is far greater than that of the primary reducer, and the requirement of the tower crane on the larger rotation ratio can be met.
In an alternative embodiment, the brake 5 is a wet friction disc brake; the driving motor 3 is a permanent magnet synchronous motor, and the traditional motor is replaced by the permanent magnet synchronous motor, so that the energy-saving and environment-friendly driving device has the advantages of being more energy-saving and more environment-friendly.
Further, in a specific example, the spool support 2 includes a spool bushing 21 and a first bearing 22 disposed in the spool bushing 21, and the flange connecting shaft 13 is connected as a spool shaft of the spool 1 in the first bearing 22. The first bearing 22 may be a self-aligning roller bearing, and the flange connecting shaft is connected to the self-aligning roller bearing as a spool shaft of the spool. Specifically, the winding drum 1 is fixed on the first planet carrier 44 of the planetary reducer 4 through a self-aligning roller bearing on the winding drum support 2, so that better stability can be provided, and the rigidity is stronger; then use the frame to fix driving motor 3 and reel 1, can make overall structure more firm, the vibration is littleer.
Preferably, the driving and braking integrated device further comprises a limiting mechanism 7 arranged on the reel support 2, and a gear pair of the limiting mechanism 7 is connected with the flange connecting shaft 13 of the reel 1 through a connecting rod 14.
The invention can be understood as further providing a tower crane, which comprises a tower crane body and a frame, and further comprises a driving and braking integrated device of the tower crane; the driving and braking integrated device is fixed on the rack. The specific structure of the tower crane body and the frame structure are the same as those in the prior art, and are not described herein again.
The tower crane and the driving and braking integrated device thereof at least have the following advantages:
(1) the invention has the advantages of simple structure, convenient operation, concise installation, convenient maintenance and maintenance;
(2) the driving and braking integrated device has the advantages that the brake part is integrated into the planetary reducer, and the planetary reducer is integrated into the winding drum, so that the mass and the volume of the hoisting mechanism of the tower crane are greatly reduced through the integrated design;
(3) furthermore, a winding drum of the driving and braking integrated device is connected to the planet carrier through a bearing, so that better stability can be provided, and the rigidity is stronger; the planet gear planetary reducer is used for replacing the traditional planetary reducer, and the advantages of large transmission torque, small noise, lighter weight and smaller volume are achieved;
(4) furthermore, the permanent magnet synchronous motor is used for replacing the traditional motor, so that the energy is saved and the environment is protected;
(5) the wet friction plate type brake is used for replacing the traditional brake, and the electronic button is used for replacing a push rod for control, so that the operation is more convenient and safer.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A driving and braking integrated device of a tower crane comprises a winding drum, a winding drum support, a driving motor and a planetary reducer, and is characterized by also comprising a brake integrated in the winding drum, wherein,
the winding drum comprises a driving side and a bearing side which are oppositely arranged, the bearing side of the winding drum is rotatably connected to the winding drum support through a flange connecting shaft, and an opening is formed in the driving side;
the planetary reducer penetrates through the opening and is accommodated in the inner cavity of the winding drum; the planetary speed reducer comprises a planetary speed reduction gear set, and the planetary speed reduction gear set comprises a sun gear, an inner gear ring, a first planet gear and a first planet carrier; the wheel shaft of the sun wheel is arranged coaxially with the reel shaft, the wheel shaft partially extends out of the opening, and the first planet carrier is in transmission connection with the driving side so as to enable the reel to rotate along with the first planet carrier;
the driving motor is arranged on one side of the driving side of the winding drum, and a driving shaft of the driving motor is connected with the wheel shaft so as to drive the wheel shaft to rotate;
the brake comprises a cylindrical shell coaxially arranged with the drum shaft, a friction plate assembly used for locking the wheel shaft, a hydraulic module and an oil pipe, wherein a first end of the cylindrical shell is fixedly connected with the body of the driving motor, a second end of the cylindrical shell is connected with the first planet carrier through a second bearing, the second end of the cylindrical shell partially extends into the opening, and the wheel shaft and the driving shaft are arranged in the cylindrical shell in a penetrating mode; the friction plate assembly is connected with the output end of the hydraulic module to hold or release the wheel shaft.
2. The integrated drive and brake device of a tower crane according to claim 1, wherein the first planet carrier is fixedly connected with the drive side.
3. The integrated drive and brake device of a tower crane according to claim 1, wherein the first planet carrier is in transmission connection with the drive side through a gear.
4. The integrated driving and braking device for the tower crane according to claim 1, wherein the first planet carrier is provided with external teeth; the opening is circular, the driving side is connected with a transmission inner gear ring, and the transmission inner gear ring is located on the inner side of the opening and accommodated in the inner cavity.
5. The driving and braking integrated device for the tower crane according to claim 1, wherein the planetary reducer comprises a cylindrical box body with one open end, and a bottom plate of the box body is fixed on a fixing frame arranged in an inner cavity of the winding drum so as to fix the box body and the winding drum; the opening of the box body is also outwards turned to form an annular skirt edge, and the skirt edge and the driving side are fixed through screws; the planetary reduction gear set is arranged inside the box body.
6. The drive and brake integration device of a tower crane according to claim 1, wherein the planetary reduction gear set further comprises a second planet carrier and a second planet gear engaged with the ring gear and the sun gear.
7. The integrated driving and braking device of a tower crane according to claim 1, wherein the brake is a wet friction disc brake, and the driving motor is a permanent magnet synchronous motor.
8. The integrated driving and braking device of a tower crane according to claim 1, wherein the drum support comprises a drum shaft sleeve and a first bearing disposed in the drum shaft sleeve, the first bearing is a self-aligning roller bearing, and the flange connecting shaft is connected in the self-aligning roller bearing as a drum shaft of the drum.
9. The integrated driving and braking device of a tower crane according to claim 1, further comprising a limiting mechanism disposed on the bearing seat, wherein a gear pair of the limiting mechanism is connected to the flange connecting shaft of the drum through a connecting rod.
10. A tower crane, which comprises a tower crane body and a frame, and is characterized by further comprising a driving and braking integrated device of the tower crane according to any one of claims 1-9; the driving and braking integrated device is fixed on the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011297334.1A CN112110361A (en) | 2020-11-19 | 2020-11-19 | Tower crane and driving and braking integrated device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011297334.1A CN112110361A (en) | 2020-11-19 | 2020-11-19 | Tower crane and driving and braking integrated device thereof |
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| CN112110361A true CN112110361A (en) | 2020-12-22 |
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| CN202011297334.1A Pending CN112110361A (en) | 2020-11-19 | 2020-11-19 | Tower crane and driving and braking integrated device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258991A (en) * | 2022-09-19 | 2022-11-01 | 杭州未名信科科技有限公司 | A hoist power module assembly and intelligent tower crane for intelligent tower crane |
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| CN206221579U (en) * | 2016-12-01 | 2017-06-06 | 徐州科源液压股份有限公司 | Double brake hoisting speed reducer |
| CN206692244U (en) * | 2017-03-08 | 2017-12-01 | 启东万惠机械制造有限公司 | A kind of split type hoist engine |
| EP3372552A1 (en) * | 2017-03-10 | 2018-09-12 | Zollern GmbH & Co. KG | Electric motor comprising an integrated holding brake |
| CN108046147A (en) * | 2017-12-28 | 2018-05-18 | 南京高速齿轮制造有限公司 | With the integrated crane reduction box of reel |
| CN110255407A (en) * | 2019-07-01 | 2019-09-20 | 万鑫精工（湖南）有限公司 | A kind of tower crane lifting mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258991A (en) * | 2022-09-19 | 2022-11-01 | 杭州未名信科科技有限公司 | A hoist power module assembly and intelligent tower crane for intelligent tower crane |
| CN115258991B (en) * | 2022-09-19 | 2023-01-17 | 杭州未名信科科技有限公司 | A hoist power module assembly and intelligent tower crane for intelligent tower crane |
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Application publication date: 20201222 |