CN117023359A - Hook assembly and tower crane - Google Patents

Hook assembly and tower crane Download PDF

Info

Publication number
CN117023359A
CN117023359A CN202310794542.XA CN202310794542A CN117023359A CN 117023359 A CN117023359 A CN 117023359A CN 202310794542 A CN202310794542 A CN 202310794542A CN 117023359 A CN117023359 A CN 117023359A
Authority
CN
China
Prior art keywords
hook
hook assembly
generator
assembly
battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310794542.XA
Other languages
Chinese (zh)
Inventor
曾祥镇
孔双庆
陀陆莹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Sany Tower Lifting Machinery Co Ltd
Original Assignee
Hunan Sany Tower Lifting Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Sany Tower Lifting Machinery Co Ltd filed Critical Hunan Sany Tower Lifting Machinery Co Ltd
Priority to CN202310794542.XA priority Critical patent/CN117023359A/en
Publication of CN117023359A publication Critical patent/CN117023359A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1846—Rotary generators structurally associated with wheels or associated parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34—Crane hooks
    • B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
    • B66C13/14—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices to load-engaging elements or motors associated therewith
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The invention provides a hook assembly and a tower crane. The lifting hook assembly comprises a lifting hook body and a plurality of pulleys arranged in the lifting hook body, the lifting hook assembly further comprises a generator, the generator comprises a stator and a rotor, the stator and the lifting hook body are fixedly arranged, the pulleys comprise driving pulleys, the rotor is in transmission connection with the driving pulleys, the rotor is driven to rotate through the pulleys, and the generator is connected with a storage battery to charge the storage battery. According to the embodiment of the invention, the generator is arranged at the lifting hook, and the pulley drives the generator rotor to rotate for power generation, so that power supply at the lifting hook can be conveniently realized, and therefore, the electric element can be arranged at the lifting hook, and the intelligent control of the tower crane is facilitated.

Description

Hook assembly and tower crane
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a lifting hook assembly and a tower crane.
Background
The lifting hook component of the tower crane is hung below the trolley through the steel wire rope and can move upwards and downwards under the driving of the lifting mechanism, and as the lifting hook component is far away from the cab and the horizontal and vertical positions of the lifting hook and the arm support are continuously changed, stable power supply for the lifting hook is difficult to realize, and electric equipment is difficult to set at the lifting hook.
Disclosure of Invention
In view of the above, the present invention provides a hook assembly and a tower crane to solve the problem that it is difficult to realize stable power supply to the hook, resulting in difficulty in providing electrical equipment at the hook.
In a first aspect, the invention provides a hook assembly comprising a hook body and a plurality of pulleys arranged in the hook body, the hook assembly further comprises a generator, the generator comprises a stator and a rotor, the stator is fixedly arranged with the hook body, the pulleys comprise driving pulleys, the rotor is in transmission connection with the driving pulleys so as to drive the rotor to rotate through the pulleys, and the generator is connected with a storage battery so as to charge the storage battery.
In some of these embodiments, the generator is a disc generator, and the disc generator and the drive pulley are coaxially disposed.
In some embodiments, the number of the generators is two, the two sets of generators are respectively arranged at two sides of the lifting hook body along the length direction, the rotating shafts of the rotors of the two sets of generators are parallel to each other, and the rotating directions of the rotors of the two sets of generators are opposite.
In some embodiments, the hook assembly comprises a hook body and hooks arranged at the bottom of the hook body, extension parts are arranged at the bottom of the hook body along two sides of the length direction of the hook body, the hooks are positioned between the two extension parts, a distance sensor for detecting the relative distance between the hook and an obstacle is arranged on the extension parts, and the distance sensor is powered by the storage battery.
In some of these embodiments, the battery is housed in the extension.
In some of these embodiments, the hook assembly further comprises a gesture sensor configured to detect a state of motion of the hook body.
In some of these embodiments, the hook assembly includes an image sensor for detecting an image of the underside of the hook, the image sensor being powered by the battery.
In some of these embodiments, the hook assembly further comprises a wireless communication assembly for transmitting data detected by the distance sensor, the image sensor, or the attitude sensor, the wireless communication assembly being powered by the battery.
In some of these embodiments, the hook assembly further comprises a warning light, the warning light being powered by the battery.
In a second aspect, the invention provides a tower crane comprising a hook assembly as defined in any one of the preceding claims.
According to the embodiment of the invention, the generator is arranged at the lifting hook, and the pulley drives the generator rotor to rotate for power generation, so that power supply at the lifting hook can be conveniently realized, and therefore, the electric element can be arranged at the lifting hook, and the intelligent control of the tower crane is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a hook assembly according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The present invention provides a hook assembly 10.
In one embodiment, the hook assembly 10 includes a hook body 101 and a plurality of pulleys disposed within the hook body 101.
As shown in fig. 1, the hook body 101 in this embodiment refers to a frame of the hook assembly 10, and a hook is provided at a local bottom of the hook, and is used for hanging a weight. The pulley assembly is disposed in the hook body 101, and when in implementation, the wire rope is used to suspend the hook assembly 10 through the pulley, so that when the wire rope is wound and unwound, lifting control of the hook can be achieved, and the control manner of the lifting control can refer to the related art, and is not further limited and described in the embodiment.
In one embodiment, the hook assembly 10 further comprises a generator, the generator comprises a stator and a rotor, the stator is fixedly arranged with the hook body 101, the pulley comprises a driving pulley 102, the rotor is in transmission connection with the driving pulley 102 so as to drive the rotor to rotate through the pulley, and the generator is connected with a storage battery so as to charge the storage battery.
When the lifting hook is lifted, the steel wire rope can drive the pulley to rotate, and the driving pulley 102 in the pulley can drive the rotor of the generator to rotate relative to the stator when rotating, so that the generator is driven to generate electricity.
After the generator is further rectified through the electric elements such as the voltage stabilizer and the rectifier, the energy is stored through the storage battery, and it is to be understood that the rectification energy storage process can refer to the mature related technology, and in the embodiment, the electric elements to be used are not specifically limited and described.
According to the embodiment of the invention, the generator is arranged at the lifting hook, and the pulley drives the generator rotor to rotate for power generation, so that power supply at the lifting hook can be conveniently realized, and therefore, the electric element can be arranged at the lifting hook, and the intelligent control of the tower crane is facilitated.
In some of these embodiments, the generator is a disc generator 103, and the disc generator 103 and the drive pulley 102 are coaxially disposed.
It should be appreciated that the volume of the hook assembly 10 itself is relatively limited, and in order to fully utilize the space at the hook, the use of the disc generator 103 in this embodiment allows for the installation of the hook without increasing or excessively increasing the thickness of the hook body 101, which helps reduce the volume of the dropped assembly and thus reduce the impact of environmental factors such as high winds on the hook.
In some embodiments, the number of the generators is two, and the two sets of generators are respectively disposed on two sides of the hook body 101 along the length direction, the rotation axes of the rotors of the two sets of generators are parallel to each other, and the rotation directions of the rotors of the two sets of generators are opposite.
In order to improve the overall stability of the lifting hook, in this embodiment, two groups of generators are approximately symmetrically arranged on two sides of the lifting hook, so that the overall weight of the lifting hook is relatively balanced, and further, the stability of the lifting hook is improved by controlling the rotation directions of the rotors of the two groups of generators to be opposite.
In some embodiments, the hook assembly 10 includes a hook body 101 and a hook 105 disposed at the bottom of the hook body 101, extension portions 104 are disposed at the bottom of the hook body 101 along two sides of the length direction of the hook body 101, the hook 105 is disposed between the two extension portions 104, and a distance sensor for detecting a relative distance between the hook and an obstacle is disposed on the extension portion 104, and the distance sensor is powered by a battery.
In this embodiment, by setting a distance sensor on the hook, which may be an exemplary ultrasonic radar equidistant sensor, the distance between the hook and the surrounding obstacle can be detected, and further, a prompt signal may be sent to the driver, so that the driver controls the running state of the hook, which is helpful for improving the hoisting efficiency and also for improving the safety.
In some of these embodiments, the battery is housed in the extension 104. It should be understood that the size of the hook assembly 10 cannot be too large, otherwise, the stability of the hook assembly is affected in the air due to the high wind and other factors, the storage battery is arranged at the extension portion 104, occupation of the inner space of the hook can be reduced, the volume of the hook is prevented from being increased, meanwhile, the counterweight can be provided through the storage battery, the stability of the hook is further improved, and in addition, the storage battery is located outside the hook body 101, so that follow-up overhaul and disassembly are convenient.
In some of these embodiments, the hook assembly 10 further includes an attitude sensor configured to detect the state of motion of the hook body 101.
In this embodiment, the attitude sensor may be a gyroscope, and when in implementation, the attitude sensor detects the motion state of the hook assembly 10, and further combines the running states of the trolley and the boom to perform more accurate analysis on the motion state of the hook assembly 10, thereby being beneficial to improving the control effect of a driver on the hook assembly 10.
Further, the collision risk between the hook and the surrounding obstacle can be obtained by analyzing the distance between the hook and the surrounding obstacle detected by the distance sensor in combination with the movement state of the hook assembly 10, so as to avoid the corresponding risk in time, and thus, the safety is improved.
In some of these embodiments, the hook assembly 10 includes an image sensor for detecting an image of the underside of the hook, the image sensor being powered by a battery.
In this embodiment, through setting up image sensor, can gather the image of lifting hook bottom to the position of driver control lifting hook makes the lifting hook can more accurate remove near the object of waiting to hoist and mount, helps improving the hoist and mount effect.
In some of these embodiments, the hook assembly 10 further includes a wireless communication assembly for transmitting data detected by the distance sensor, the image sensor, or the attitude sensor, the wireless communication assembly being powered by the battery.
In this embodiment, the wireless communication component is used for communicating with a controller at a cab or other positions, so that data detected by various sensors can be timely transmitted out, and the detected data can be analyzed to obtain a detection result, so that the response speed can be improved.
In some of these embodiments, the hook assembly 10 further includes a warning light that is powered by the battery.
The warning lamp in this embodiment can be through battery power supply to improve the duration of warning lamp, especially under dangerous operation conditions such as night operation, can play the warning effect, improve the security.
The present invention provides a tower crane comprising a hook assembly 10 according to any one of the preceding claims.
The tower crane of the present embodiment includes all the technical solutions of the above-mentioned hook assembly 10 embodiment, so at least all the above technical effects can be achieved, and the details are not repeated here.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a lifting hook assembly, its characterized in that, including lifting hook body (101) and set up in a plurality of pulleys in lifting hook body (101), lifting hook assembly (10) still include the generator, the generator with including stator and rotor, the stator with lifting hook body (101) are fixed to be set up, the pulley includes drive pulley (102), the rotor with drive pulley (102) transmission is connected, in order to pass through the pulley drive the rotor rotates, the generator links to each other with the battery in order to charge for the battery.
2. A hook assembly according to claim 1, wherein the generator is a disc generator (103), and the disc generator (103) and the drive pulley (102) are coaxially arranged.
3. The hook assembly according to claim 2, wherein the number of the generators is two, and the two generators are respectively disposed at two sides of the hook body (101) along the length direction, the rotation axes of the rotors of the two generators are parallel to each other, and the rotation directions of the rotors of the two generators are opposite.
4. The hook assembly according to claim 1, wherein the hook assembly (10) comprises a hook body (101) and hooks (105) arranged at the bottom of the hook body (101), extension portions (104) are arranged at the bottom of the hook body (101) along two sides of the length direction of the hook body (101), the hooks (105) are arranged between the two extension portions (104), and distance sensors for detecting the relative distance between the hooks and the obstacle are arranged on the extension portions (104), and the distance sensors are powered by the storage battery.
5. The hook assembly of claim 4, wherein said battery is received in said extension (104).
6. The hook assembly of claim 5 or 6, wherein the hook assembly (10) further comprises a posture sensor configured to detect a state of motion of the hook body (101).
7. A hook assembly according to claim 1, wherein the hook assembly (10) includes an image sensor for detecting an image of the underside of the hook, the image sensor being powered by the battery.
8. The hook assembly of claim 1, wherein the hook assembly (10) further comprises a wireless communication assembly for transmitting data detected by a distance sensor, an image sensor or an attitude sensor, the wireless communication assembly being powered by the battery.
9. The hook assembly of claim 1, wherein the hook assembly (10) further comprises a warning light, the warning light being powered by the battery.
10. A tower crane, characterized by comprising a hook assembly (10) according to any one of claims 1 to 9.
CN202310794542.XA 2023-06-30 2023-06-30 Hook assembly and tower crane Pending CN117023359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310794542.XA CN117023359A (en) 2023-06-30 2023-06-30 Hook assembly and tower crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310794542.XA CN117023359A (en) 2023-06-30 2023-06-30 Hook assembly and tower crane

Publications (1)

Publication Number Publication Date
CN117023359A true CN117023359A (en) 2023-11-10

Family

ID=88623330

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310794542.XA Pending CN117023359A (en) 2023-06-30 2023-06-30 Hook assembly and tower crane

Country Status (1)

Country Link
CN (1) CN117023359A (en)

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