CN211733695U

CN211733695U - Hoisting device and hoisting equipment

Info

Publication number: CN211733695U
Application number: CN201922282556.5U
Authority: CN
Inventors: 孙荣生; 何田生; 赵盼; 陈鹏飞
Original assignee: Shanghai Yiliang Electronic Technology Co ltd
Current assignee: Shanghai Yiliang Electronic Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-10-23
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a hoisting device, including main frame, moving frame, guide rail set spare and lift by crane the subassembly, move the frame and locate in the main frame, guide rail set spare is located between main frame and the moving frame for moving frame can stretch out or retract the main frame, lift by crane the subassembly and locate on the moving frame, including input shaft, output shaft and transmission portion, transmission portion can be with the power transmission of the manual input of input shaft for the output shaft drives the hoist and lower. The utility model provides a pair of overhead hoist passes through the input shaft and transmits manual power for transmission portion, drives the output shaft and rotates and the hoist goes up and down, does not need electric power or hydraulic pressure as the power supply, can be fine normally work under the adverse circumstances of electroless no hydraulic power, and moving frame can stretch out or retract the main frame, convenient to use and deposit, and occupation space is little, convenient to use, dependable performance. The utility model also discloses a handling equipment, including above-mentioned overhead hoist.

Description

Hoisting device and hoisting equipment

Technical Field

The utility model relates to a lifting device technical field particularly, relates to an overhead hoist and handling equipment.

Background

At present, a truck-mounted crane is generally adopted for lifting heavy objects for vehicles, and the truck-mounted crane mainly adopts a hydraulic pump or a high-power motor of an automobile as power. These structures are costly to use, occupy a large space, are not highly reliable, and cannot be operated inside the cabin.

The existing lifting device for the vehicle is generally driven by a mode of adding rotation to the power of the vehicle or adding rotation to an oil pump motor. The power of the automobile is added to the rotation by taking the power out of an engine of an automobile chassis through a power takeoff and transmitting the power to a hydraulic motor, and then the lifting device is operated by the hydraulic motor and a reversing valve to lift.

When the vehicle has no power, an oil pump motor needs to be additionally arranged to provide power; in severe occasions with large environmental temperature difference and extremely low temperature, the risk of bursting of a hydraulic oil pipe can be caused; when a heavy object is hoisted to a vehicle, the structure needs to have a larger rotating radius, so that the structure is limited by the size of a carriage and cannot be used in the carriage; this arrangement takes up a relatively large amount of space for storage when not in use.

Therefore, the two lifting devices for the automobile have larger occupied space and cannot be used in a carriage, the automobile cannot normally work due to the power breakdown of the automobile and the failure of an oil pump motor under low-temperature and severe environments, and the two lifting devices for the automobile cannot be used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lifting device to solve among the prior art automobile-used lifting device occupation space big, can not be at the problem of normal work under the adverse circumstances such as electroless no hydraulic power.

In order to achieve the above object, the utility model provides a lifting device, include: a main frame disposed along a length direction; the movable frame is arranged in the main frame along the length direction; the guide rail assembly is arranged between the main frame and the moving frame, so that the moving frame can extend out of or retract into the main frame along the length direction;

the subassembly that lifts by crane, locate on the moving frame, include: an input shaft; an output shaft; and the transmission part is connected with the input shaft and the output shaft and is used for transmitting the power manually input by the input shaft to the output shaft so that the output shaft drives the lifting appliance to lift.

Optionally, the input shaft is disposed on the movable frame along the length direction and connected to the transmission portion, and one end of the input shaft extends from the end of the movable frame and is connected to the manual handle.

Optionally, the transmission portion comprises: the speed increasing mechanism is connected with the input shaft, the input shaft drives the output shaft to rotate through the speed increasing mechanism, or,

the speed reducing mechanism is connected with the input shaft, the input shaft drives the output shaft to rotate through the speed reducing mechanism, or,

the speed-increasing mechanism is connected with the input shaft, the speed-reducing mechanism is connected with the speed-increasing mechanism, and the input shaft transmits power to the output shaft through the speed-increasing mechanism and the speed-reducing mechanism.

Alternatively, the speed increasing mechanism includes a large gear and a small gear, the large gear is provided on the input shaft, is engaged with the small gear, and drives the output shaft to rotate through the small gear.

Alternatively, the speed reducing mechanism comprises a worm and a worm wheel, the worm is meshed with the worm wheel, the worm wheel is arranged on the output shaft, and the input shaft drives the output shaft to rotate through the worm and the worm wheel.

Optionally, the speed increasing mechanism comprises a large gear and a small gear, the speed reducing mechanism comprises a worm and a worm wheel, the large gear is arranged on the input shaft and meshed with the small gear, the small gear is arranged at one end of the worm, the worm is meshed with the worm wheel, and the worm wheel is arranged on the output shaft.

Optionally, the worm is self-locking with the worm wheel such that the power transmission path is: the worm drives the worm wheel to rotate.

Optionally, the lifting assembly further comprises a housing, the output shaft and the transmission part are arranged in the housing, the input shaft is arranged on the movable frame along the length direction and connected with the transmission part through the housing,

in the width direction of the moving frame, first sliding portions are arranged on two sides of the shell, second sliding portions are arranged on the inner sides of two side plates of the moving frame, and the first sliding portions are matched with the second sliding portions, so that the shell can move relative to the moving frame in the length direction of the moving frame.

Optionally, a winding drum is arranged on the output shaft, and the output shaft drives the lifting appliance to lift through the winding drum.

Optionally, the guide rail assembly is arranged along the length direction and comprises a transition plate, a first guide rail and a second guide rail, the first guide rail is located between the side plate of the main frame and the transition plate, and the second guide rail is located between the side plate of the moving frame and the transition plate.

Optionally, a locking structure is arranged between the side plate of the main frame and the transition plate, and between the side plate of the movable frame and the transition plate, and is used for locking after the relative movement between the main frame and the movable frame is stopped.

Optionally, the locking structure includes a locking rod and a locking block, the locking rod is disposed on the side plate of the main frame and on the transition plate along the width direction of the main frame, and the locking block is disposed on the side plate of the moving frame and on the transition plate and can be locked with the locking rod.

Optionally, along the length direction, the side of the moving frame facing the transition plate and the side of the transition plate facing the main frame are both provided with locking blocks at intervals, the side of the main frame facing the transition plate is provided with a first limiting block and a second limiting block at intervals, the second limiting block is located at the end of the main frame, the side of the transition plate facing the moving frame is provided with a third limiting block, and the first limiting block, the second limiting block and the third limiting block are used for limiting the stroke of the moving frame in the length direction,

when the locking block on the transition plate is contacted with the second limiting piece in the extending process of the movable frame, the locking rod on the main frame can be locked with the corresponding locking block on the transition plate, the locking rod on the transition plate can be locked with the corresponding locking block on the movable frame,

in the retracting process of the movable frame, when the locking block on the movable frame is in contact with the third limiting part, the locking rod on the transition plate can be locked with the corresponding locking block on the movable frame, and when the locking block on the transition plate is in contact with the first limiting part, the locking rod on the main frame can be locked with the corresponding locking block on the transition plate.

The utility model also provides a handling equipment, including any one of the above-mentioned embodiment overhead hoist.

As above, the utility model provides a pair of overhead hoist passes through the manually operation input shaft and rotates for the input shaft rotates, and then drive transmission portion drives the output shaft and rotates, and the output shaft drives the hoist and rotates, and whole drive process does not need electric power or hydraulic pressure as the power supply, only need manual operation can, can be fine normal work under the adverse circumstances of electroless no hydraulic power. Meanwhile, the movable frame can extend out of or retract into the main frame, and does not occupy a large storage space, so that the movable frame is convenient to store. In addition, the hoisting process does not need rotation and a larger transfer space, and the hoisting device has the advantages of small occupied space, convenient use and reliable performance.

In order to make the aforementioned and other objects of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 schematically shows an overall structure of a lifting device of the present invention;

fig. 2 schematically shows an internal structure view of the lifting device of the present invention;

fig. 3 schematically shows the internal structure diagram of the hoisting component in the hoisting device of the invention.

Detailed Description

The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Fig. 1 schematically shows the utility model discloses a hoisting device's overall structure chart, fig. 2 schematically shows the utility model discloses a hoisting device's inside structure chart, fig. 3 schematically shows the utility model discloses an inside structure chart of lifting by crane the subassembly among the hoisting device, refer to fig. 1-3 and show, the embodiment of the utility model provides a hoisting device 1, include: a main frame 10 disposed along a length direction (as shown by an X direction in fig. 1 to 3); a moving frame 11 provided in the main frame 10 along a length direction; a guide rail assembly 12 provided between the main frame 10 and the moving frame 11 such that the moving frame 11 can be extended or retracted from the main frame 10 in a length direction; lift by crane subassembly 13, locate on moving frame 11, include: an input shaft 14; an output shaft 15; and the transmission part 16 is connected with the input shaft 14 and the output shaft 15 and is used for transmitting the power manually input by the input shaft 14 to the output shaft 15, so that the output shaft 15 drives the lifting appliance 131 to lift.

That is to say, the overhead hoist 1 mainly comprises main frame 10, moving frame 11, guide rail assembly 12 and hoisting assembly 13, wherein, main frame 10 mainly comprises two curb plates 100 that set up along length direction, and two curb plates 100 are mainly that the board preparation of falling L is formed, and the top of curb plate 100 can pass through the fixed setting at the carriage top of connecting piece (like the bolt), and in other embodiments, the curb plate also can set up the top at other equipment for provide the support for whole overhead hoist 1.

Specifically, the two side plates 100 are symmetrically disposed, and the moving frame 11 is disposed between the two side plates 100 of the main frame 10 and connected to the two side plates 100 of the main frame 10 through the rail assemblies 12, so that the moving frame 11 can extend out of or retract into the main frame 10 along the length direction. In this embodiment, in order to cope with severe environments such as no electricity or no hydraulic power, the extension or retraction of the moving frame 11 is mainly operated manually, that is, the moving frame 11 is pulled out manually, and the moving frame 11 is pushed back manually, so that the whole lifting device 1 can stably and reliably work in severe environments such as no electricity or no hydraulic power.

Referring to fig. 1-3, in the present embodiment, a lifting assembly 13 is provided on the moving frame 11 for lifting the cargo. In use, the moving frame 11 and the hoisting assembly 13 provided on the moving frame 11 are pushed out together along the extending direction of the main frame 10 by the rail assembly 12. After the lifting assembly 13 lifts the goods, the movable frame 11 is manually pushed to retract into the carriage, so that the movable frame 11 carries the lifting assembly 13 and the goods lifted by the lifting assembly 13 to retract together. Then, the hoisting assembly 13 stably places the goods in the carriage, and the hoisting and carrying work is completed. The whole hoisting process does not need rotation and a larger transfer space, and has small occupied space, convenient use and reliable performance.

When the lifting device is not used, the movable frame 11 and the lifting component 13 on the movable frame 11 are pushed manually to be stored in the main frame 10 together, so that a large space does not need to be occupied, and the lifting device is convenient to store.

Further, referring to fig. 3 in combination with fig. 1-2, in the present embodiment, the hoisting assembly 13 mainly includes an input shaft 14, an output shaft 15, and a transmission portion 16, and the transmission portion 16 is connected to the input shaft 14 and the output shaft 15, and is configured to transmit power manually input by the input shaft 14 to the output shaft 15, so that the output shaft 15 drives the lifting device 131 to lift. The input shaft 14 is rotated by manually operating the input shaft 14, the input shaft 14 is connected to the transmission unit 16, and the manually input power can be transmitted to the transmission unit 16, and the manually input power is transmitted by the transmission unit 16 and then output from the output shaft 15 to rotate the hanger 131.

Adopt foretell technical scheme, rotate through the manually operation input shaft for the input shaft rotates, and then drive transmission portion drives the output shaft and rotates, and the output shaft drives the hoist and rotates, and whole drive process does not need electric power or hydraulic pressure as the power supply, only need manual operation can, can be fine normal work under the adverse circumstances of electroless no hydraulic power. Meanwhile, the movable frame can extend out of or retract into the main frame, and does not occupy a large storage space, so that the movable frame is convenient to store. In addition, the hoisting process does not need rotation and a larger transfer space, and the hoisting device has the advantages of small occupied space, convenient use and reliable performance.

It should be noted that the utility model discloses do not restrict the drive mode of input shaft, can set up according to actual need, under the sufficient condition of power supply, the input shaft also can be through the power supply drive.

It should be further noted that the present invention does not limit the form and structure of the input shaft, as long as power can be transmitted to the transmission portion through the input shaft.

Specifically, referring to fig. 3 in combination with fig. 1-2, in the present embodiment, the input shaft 14 is disposed on the moving frame 11 along the length direction and connected to the transmission portion 16, and one end of the input shaft 14 extends from the end of the moving frame 11 and is connected to the manual handle 132.

That is, the input shaft 14 is disposed along the length direction of the moving frame 11, one end of the input shaft extends from the end of the moving frame 11 and is connected to the manual handle 132, and the other end of the input shaft is disposed in the moving frame 11 through a support bracket (not shown), and the input shaft 14 can be driven to rotate by rotating the manual handle 132, so that power can be transmitted to the transmission part 16 through the input shaft 14. In the present embodiment, the cross section of the input shaft 14 is a regular hexagon, which has better strength and transmission capability. In other embodiments, the input shaft may be disposed along other directions, and may have other structures, such as a circular cross section, other regular polygons, and the like, as long as the input shaft can transmit power to the transmission portion.

Referring to fig. 3 in conjunction with fig. 1-2, in the present embodiment, the transmission part 16 includes a speed increasing mechanism 160, the speed increasing mechanism 160 is connected to the input shaft 14, and the input shaft 14 drives the output shaft 15 to rotate through the speed increasing mechanism 160. The speed increasing mechanism 160 can increase the rotating speed input by the input shaft 14, so that the output shaft 15 has a higher rotating speed, the lifting speed of the lifting appliance 131 is increased, and the lifting time of the lifting appliance 131 is saved.

Specifically, referring to fig. 3 in conjunction with fig. 1-2, in the present embodiment, the speed increasing mechanism 160 includes a large gear 161 and a small gear 162, the large gear 161 is disposed on the input shaft 14, is engaged with the small gear 162, and drives the output shaft 15 to rotate through the small gear 162.

That is, the speed increasing mechanism 160 realizes the speed increasing function through gear transmission, and when the modules are the same, the number of teeth of the large gear 161 is larger than that of the small gear 162, that is, the transmission ratio between the two is larger than 1, so that the speed increasing function can be stably and reliably realized. The gear wheel 161 is arranged on the input shaft 14 and can be driven by the input shaft 14 to rotate, the pinion 162 is meshed with the gear wheel 161, the gear wheel 161 can be driven to rotate rapidly, the output shaft 15 can be driven to rotate rapidly, the lifting speed of the lifting appliance 131 is increased, and the lifting time of the lifting appliance 131 is saved.

In other embodiments, the speed increasing mechanism can also be in other structures, and the utility model discloses do not limit this, as long as can realize the acceleration rate can.

Referring to fig. 3 in conjunction with fig. 1-2, in the present embodiment, the transmission part 16 includes a speed reducing mechanism 163, the speed reducing mechanism 163 is connected to the input shaft 14, and the input shaft 14 drives the output shaft 15 to rotate through the speed reducing mechanism 163. The speed reducing mechanism 163 can increase the torque input by the input shaft 14, so that the torque output by the output shaft 15 is larger, the lifting gravity of the lifting appliance 131 is increased, and the lifting appliance 131 can lift more cargoes at a time.

Specifically, referring to fig. 3 in combination with fig. 1-2, in the present embodiment, the speed reducing mechanism 163 includes a worm 164 and a worm wheel 165, the worm 164 is engaged with the worm wheel 165, the worm wheel 165 is disposed on the output shaft 15, and the input shaft 14 drives the output shaft 15 to rotate through the worm 164 and the worm wheel 165.

That is, the speed reduction mechanism 163 is decelerated by engagement of the worm 164 and the worm wheel 165, and the input shaft 14 can transmit the power to the worm 164, and the worm wheel 165 is attached to the output shaft 15, engaged with the worm 164, and can rotate the output shaft 15 by driving of the worm 164. The worm 164 and the worm wheel 165 can realize a large transmission ratio, have a good speed reduction effect, and can increase the torque input by the input shaft 14, so that the output shaft 15 outputs a large torque, the lifting gravity of the lifting appliance 131 is increased, and the lifting appliance 131 can lift more cargoes at one time.

To avoid the situation of automatic falling of the spreader, referring to fig. 3, in the present embodiment, the worm 164 and the worm wheel 165 are self-locked to make the power transmission path: the worm 164 drives the worm gear 165 to rotate. Namely: in the transmission process, the worm wheel 165 can only be driven by the worm 164 to rotate, the worm wheel 165 cannot drive the worm 164 to rotate, the unidirectional transmission of power is realized, the self-locking between the worm 164 and the worm wheel 165 can be well realized, and the phenomenon that the lifting appliance 131 falls is avoided.

In other embodiments, the reduction gears can be in other structures, and the utility model discloses do not limit this, as long as can realize increasing the moment of torsion of output shaft output.

Referring to fig. 3 in conjunction with fig. 1-2, in the present embodiment, the transmission part 16 may further include a speed increasing mechanism 160 and a speed reducing mechanism 163, the speed increasing mechanism 160 is connected to the input shaft 14, the speed reducing mechanism 163 is connected to the speed increasing mechanism 160, and the input shaft 14 transmits power to the output shaft 15 through the speed increasing mechanism 160 and the speed reducing mechanism 163. Through the combination use speed increasing mechanism 160 and speed reducing structure 163, not only can drive the quick rotation of output shaft 15, increase the lifting speed of hoist 131, save the lift time of hoist 131, also can increase the moment of torsion of output shaft 15 output simultaneously, promote the gravity that lifts by crane of hoist 131 for hoist 131 once can hoist more goods, also can be very light drive output shaft 15 through transmission portion 16 and take hoist 131 fast handling goods.

Specifically, referring to fig. 3 in conjunction with fig. 1-2, in the present embodiment, the speed increasing mechanism 160 includes a large gear 161 and a small gear 162, the speed reducing mechanism 163 includes a worm 164 and a worm wheel 165, the large gear 164 is disposed on the input shaft 14 and is meshed with the small gear 162, the small gear 162 is disposed at one end of the worm 164, the worm 164 is meshed with the worm wheel 165, and the worm wheel 165 is disposed on the output shaft 15.

More specifically, referring to fig. 3 in combination with fig. 1-2, in the present embodiment, the input shaft 14 is disposed along the length direction, the cross section of the input shaft 14 is a regular hexagon, a regular hexagon through hole 166 is disposed at the center of the large gear 161, the input shaft 14 passes through the regular hexagon through hole 166, that is, the large gear 161 is disposed on the input shaft 14 and can be driven by the input shaft 14 to rotate, and the small gear 162 is disposed at one end of the worm 164 and is engaged with the large gear 161.

In the present embodiment, the large gear 161 and the small gear 162 are both spur gears, i.e. the input shaft 14 and the worm 164 are arranged in parallel. The worm 164 is rotated by the pinion 162 and drives the worm wheel 165 to rotate, and the worm wheel 165 is provided on the output shaft 15 and can rotate the output shaft 15. In the height direction of the hoist 1 (as shown in the Z direction in fig. 1 to 3), the worm wheel 165 is located below the worm 164, and the output shaft 15 is perpendicular to the worm 164.

In other embodiments, gear wheel and pinion can also be other types of gear, like structures such as bevel gear, helical gear, also can have other forms of setting between input shaft, output shaft and the worm, the utility model discloses do not injectd this, can carry out reasonable setting according to actual need.

Further, referring to fig. 1-2 in combination with fig. 3, in this embodiment, the hoisting assembly 13 further includes a housing 130, the output shaft 15 and the transmission portion 16 are disposed in the housing 130, and the input shaft 14 is disposed on the moving frame 11 along the length direction and connected to the transmission portion 16 through the housing 130. By providing the output shaft 15 and the transmission part 16 in the housing 130, both can be protected, and the service life of the hoisting assembly 13 can be increased.

In addition, in order to further adjust the position of the spreader, referring to fig. 1-2, in the present embodiment, the input shaft 14 is disposed on the moving frame 11 along the length direction and connected to the transmission part 16 through the housing 130, and the housing 130 and the moving frame 11 can move relatively along the length direction.

Specifically, referring to fig. 1-2, in the present embodiment, in the width direction (as shown in the Y direction in fig. 1-3) of the moving frame 11, the two sides of the housing 130 are provided with first sliding portions 134, the inner sides of the two side plates 110 of the moving frame 11 are provided with second sliding portions 133, and the first sliding portions 134 and the second sliding portions 133 cooperate so that the housing 130 can move relative to the moving frame 11 in the length direction.

That is to say, after the relative position between the moving frame 11 and the main frame 10 is adjusted, the position of the hoisting assembly 13 in the length direction can be further adjusted by the cooperation of the first sliding portion 134 and the second sliding portion 133 between the housing 130 and the moving frame 11, so that the spreader 131 can be better aligned with the cargo, and the spreader 131 can be more finely adjusted and the cargo can be hoisted.

It should be noted that, the utility model discloses do not limit to the concrete structure of first sliding part and second sliding part, can carry out reasonable setting according to actual need. Specifically, in the present embodiment, the second sliding portion 133 is a sliding groove, the first sliding portion 134 is a pulley block disposed in the second sliding portion 133, and the relative movement between the housing 130 and the moving frame 11 is realized by using the pulley block, so that the movement resistance can be reduced, and the operation is more convenient. In other embodiments, the first sliding portion and the second sliding portion may also be other structures, such as a slide rail and a slider, a ball screw, and the like, which is not limited by the present invention.

Specifically, referring to fig. 1 to 3, in this embodiment, a winding drum 135 is disposed on the output shaft 15, and the output shaft 15 drives the lifting device 131 to lift through the winding drum 135. The output shaft 15 drives the winding drum 135 to rotate, and the winding drum 135 is provided with a flexible connecting piece (such as a steel wire rope) and is connected with the lifting appliance 131 through the flexible connecting piece to drive the lifting appliance 131 to lift. In this embodiment, the spreader 131 is a hook. The lifting appliance 131 is driven to move up and down and lift the goods through the winding drum 135, the structure is simple, and the maintenance is convenient.

In other embodiments, the output shaft also can be connected with the hoist through other forms, and the hoist also can be other structures, be frame construction or hanger plate for the hoist, through forms such as rack or drive belt and output shaft connection, the utility model discloses do not injecing this, can set up according to actual need, as long as can ensure that the output shaft drives the hoist reliable and stable goods handling that carries on can.

Specifically, referring to fig. 1-2, in the present embodiment, the guide rail assembly 12 is disposed along the length direction and includes a transition plate 121, a first guide rail 120 and a second guide rail 122, the first guide rail 120 is located between the side plate 100 of the main frame 10 and the transition plate 121, and the second guide rail 122 is located between the side plate 110 of the moving frame 11 and the transition plate 121.

That is, the guide rail assembly 12 of the present embodiment is mainly composed of a transition plate 121, a first guide rail 120, and a second guide rail 122, the transition plate 121 is disposed on both sides of the moving frame 11 along the length direction of the main frame 10 between the moving frame 11 and the main frame 10, the first guide rail 120 is disposed between the main frame 10 and the transition plate 121, and the second guide rail 122 is disposed between the moving frame 11 and the transition plate 121.

In operation, the movable frame 11 is manually pushed to move along the length direction of the main frame 10, so that the movable frame 11 and the main frame 10 move relatively. During the moving process, the moving frame 11 may be manually pushed to move along the second guide rail 122 between the moving frame 11 and the transition plate 121, so that the moving frame 11 moves relative to the main frame 10 and the transition plate 121, the moving frame 11 may also be manually pushed to move along the first guide rail 120 between the main frame 10 and the transition plate 121, so that the moving frame 11 and the transition plate 112 move relative to the main frame 10 together, and the transition plate 121 may also move along the first guide rail 120 along with the second guide rail 122 while the moving frame 11 is manually pushed to move along the second guide rail 122.

The moving mode of the moving frame and the specific structure of the guide rail assembly are not limited in this embodiment, and may be set according to the specific driving condition and the specific structure of the guide rail assembly as long as the moving frame can move along the length direction of the main frame.

In order to maintain a stable state after the relative movement between the main frame 10 and the moving frame 11, referring to fig. 1-2, in the present embodiment, between the side plate 100 of the main frame 10 and the transition plate 121, and between the side plate 110 of the moving frame 11 and the transition plate 121, a locking structure 17 is provided for locking after the relative movement between the main frame 10 and the moving frame 11 is stopped. The locking structure 17 can lock the main frame 10 and the movable frame 11 after being folded in the length direction or after the main frame and the movable frame move to a certain position to stop, so that the main frame and the movable frame do not shake in the process of loading and unloading goods or transporting goods, the stable state is kept, and the lifting device 1 can lift the goods more stably.

Specifically, referring to fig. 1-2, in the present embodiment, the locking structure 17 includes a locking lever 170 and a locking block 171, the locking lever 170 is disposed on the side plate 100 and the transition plate 121 of the main frame 10 along the width direction (as shown in the Y direction in fig. 1-3) of the main frame 11, and the locking block 171 is disposed on the side plate 110 and the transition plate 121 of the moving frame 11 and can be locked with the locking lever 170.

That is to say, the locking structure 17 mainly comprises a locking rod 170 and a locking block 171, the locking rod 170 is disposed on each of the side plates 100 of the main frame 10 and the transition plate 121, the locking rod 170 is located at the corresponding end portions of the side plates 100 and the transition plate 121, that is, the end of the movable frame 11 that extends out, a pair of locking blocks 171 are disposed on each of the side plates 110 of the movable frame 11 and the transition plate 121, and the locking blocks 171 can be locked with the locking rods 170, so that the main frame 10, the transition plate 121, and the movable frame 11 can be locked and fixed as required.

When the movable frame 11 is extended from the main frame 10, the locking bars 170 on the side plates 100 of the main frame 10 correspond to the locking blocks 171 on the transition plates 121 located in the main frame 10, the locking bars 170 on the transition plates 121 correspond to the locking blocks 171 on the side plates 110 of the movable frame 11 located between the transition plates 121, and the locking bars 170 are rotated so that the locking bars 170 are engaged with the locking blocks 171, thereby preventing the main frame 10 and the movable frame 11 from relative movement in the length direction. At this time, the hoist 1 is in the longest state in the length direction, and is convenient for loading and unloading goods.

When the movable frame 11 retracts into the main frame 10, that is, the main frame 10 and the movable frame 11 are folded in the length direction, the locking bar 170 on the transition plate 121 corresponds to the locking block 171 on the side plate 110 of the movable frame 11, which is located outside the transition plate 121, the locking bar 170 on the side plate 100 of the main frame 10 corresponds to the locking block 171 on the transition plate 121, which is located outside the main frame 10, and the locking bar 170 is rotated so that the locking bar 170 is engaged with the locking block 171, thereby preventing the main frame 10 and the movable frame 11 from moving relatively in the length direction. At this time, the lifting device 1 is in the shortest state in the length direction, which is convenient for transporting goods.

Specifically, referring to fig. 1-2, in the present embodiment, along the length direction, the side of the moving frame 11 facing the transition plate 121 and the side of the transition plate 121 facing the main frame 10 are both provided with a locking block 171 at an interval, the side of the main frame 10 facing the transition plate 121 is provided with a first limiting block 172 and a second limiting block 173 at an interval, the second limiting block 173 is located at the end of the main frame 10, the side of the transition plate 121 facing the moving frame 11 is provided with a third limiting block 174, and the first limiting block 172, the second limiting block 173, and the third limiting block 174 are used for limiting the stroke of the moving frame 11 in the length direction. The first limiting block 172, the second limiting block 173 and the third limiting block 174 limit the moving stroke of the moving frame 11 between the main frame 10 and the main frame in the length direction, so that the main frame and the moving frame are structurally kept relatively stable, the moving frame is prevented from falling off from the main frame, and the lifting device is ensured to lift cargos stably and reliably.

When the locking blocks 171 on the transition plate 121 contact the second stoppers 173 during the extension of the movable frame 11, the locking rods 170 on the main frame 10 can be locked with the corresponding locking blocks 171 on the transition plate 121, and the locking rods 170 on the transition plate 121 can be locked with the corresponding locking blocks 171 on the movable frame 11.

During the retraction of the movable frame 11, when the locking block 171 on the movable frame 11 contacts the third limiting member 174, the locking bar 170 on the transition plate 121 can be locked with the corresponding locking block 171 on the movable frame 11, and when the locking block 171 on the transition plate 121 contacts the first limiting member 172, the locking bar 170 on the main frame 10 can be locked with the corresponding locking block 171 on the transition plate 121.

The utility model also provides a handling equipment, including any one of the above-mentioned embodiment overhead hoist 1.

As for, be applied to the technical scheme of the utility model, the utility model provides a pair of overhead hoist passes through the manually operation input shaft and rotates for the input shaft rotates, and then drive transmission portion drives the output shaft and rotates, and the output shaft drives the hoist and rotates, and whole drive process does not need electric power or hydraulic pressure as the power supply, only need manual operation can, can be fine normal work under the adverse circumstances of electroless no hydraulic power. Meanwhile, the movable frame can extend out of or retract into the main frame, and does not occupy a large storage space, so that the movable frame is convenient to store. In addition, the hoisting process does not need rotation and a larger transfer space, and the hoisting device has the advantages of small occupied space, convenient use and reliable performance.

To sum up, the above embodiments provided by the present invention are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A hoist, characterized by, includes:

a main frame disposed along a length direction;

the movable frame is arranged in the main frame along the length direction;

the guide rail assembly is arranged between the main frame and the moving frame, so that the moving frame can extend out of or retract into the main frame along the length direction;

the subassembly that lifts by crane is located on the moving frame, include:

an input shaft;

an output shaft;

and the transmission part is connected with the input shaft and the output shaft and is used for transmitting the power manually input by the input shaft to the output shaft so that the output shaft drives the lifting appliance to lift.

2. The overhead hoist of claim 1, wherein the input shaft is disposed on the moving frame along the length direction and connected to the transmission portion, and one end of the input shaft extends from an end of the moving frame and is connected to a manual handle.

3. The overhead hoist of claim 1, wherein the transmission portion includes:

the speed increasing mechanism is connected with the input shaft, the input shaft drives the output shaft to rotate through the speed increasing mechanism, or,

a speed reducing mechanism, the speed reducing mechanism is connected with the input shaft, the input shaft drives the output shaft to rotate through the speed reducing mechanism, or,

4. The overhead hoist of claim 3, wherein the speed increasing mechanism includes a large gear and a small gear, the large gear is disposed on the input shaft, is engaged with the small gear, and drives the output shaft to rotate through the small gear.

5. The overhead hoist of claim 3, wherein the reduction mechanism includes a worm and a worm wheel, the worm is engaged with the worm wheel, the worm wheel is disposed on the output shaft, and the input shaft drives the output shaft to rotate through the worm and the worm wheel.

6. The overhead hoist of claim 3, wherein the speed increasing mechanism includes a large gear and a small gear, the speed reducing mechanism includes a worm and a worm wheel, the large gear is disposed on the input shaft and engaged with the small gear, the small gear is disposed at one end of the worm, the worm is engaged with the worm wheel, and the worm wheel is disposed on the output shaft.

7. The overhead hoist of claim 5 or 6, wherein the worm is self-locking with the worm wheel such that a power transmission path is: the worm drives the worm wheel to rotate.

8. The overhead hoist of claim 1, characterized in that the hoisting assembly further comprises a housing, the output shaft and the transmission part are arranged in the housing, the input shaft is arranged on the movable frame along the length direction and connected with the transmission part through the housing,

9. The hoisting device of claim 1, wherein a winding drum is arranged on the output shaft, and the output shaft drives the lifting appliance to lift through the winding drum.

10. The overhead hoist of claim 1, wherein the rail assembly is disposed along the length direction and includes a transition plate, a first rail between the side plate of the main frame and the transition plate, and a second rail between the side plate of the moving frame and the transition plate.

11. The overhead hoist of claim 10, wherein locking structures are provided between the side plates of the main frame and the transition plate, and between the side plates of the moving frame and the transition plate, for locking after stopping the relative movement between the main frame and the moving frame.

12. The overhead hoist of claim 11, wherein the locking structure includes a locking bar and a locking block, the locking bar is disposed on the side plate of the main frame and the transition plate along the width direction of the main frame, and the locking block is disposed on the side plate of the moving frame and the transition plate and can be locked with the locking bar.

13. The overhead hoist of claim 12, wherein the locking blocks are spaced apart from each other along the length direction on one side of the moving frame facing the transition plate and one side of the transition plate facing the main frame, the main frame is spaced apart from each other on one side facing the transition plate by a first limiting block and a second limiting block, the second limiting block is located at an end of the main frame, the transition plate is spaced apart from each other by a third limiting block, the first limiting block, the second limiting block and the third limiting block are used for limiting the stroke of the moving frame in the length direction,

in the extending process of the movable frame, when the locking block on the transition plate is in contact with the second limiting member, the locking rod on the main frame can be locked with the corresponding locking block on the transition plate, and the locking rod on the transition plate can be locked with the corresponding locking block on the movable frame,

in the retraction process of the movable frame, when the locking block on the movable frame is in contact with the third limiting part, the locking rod on the transition plate can be locked with the corresponding locking block on the movable frame, and when the locking block on the transition plate is in contact with the first limiting part, the locking rod on the main frame can be locked with the corresponding locking block on the transition plate.

14. A handling apparatus, characterised in that it comprises a handling device as claimed in any one of claims 1 to 13.