CN214733919U

CN214733919U - Electric hoisting equipment powered by storage battery

Info

Publication number: CN214733919U
Application number: CN202120494049.2U
Authority: CN
Inventors: 苏行; 王东杰
Original assignee: Mode Technology Beijing Co ltd
Current assignee: Mode Technology Beijing Co ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-11-16
Anticipated expiration: 2031-03-03

Abstract

The utility model provides an electric hoisting equipment by battery powered, belong to hoisting equipment technical field, including last lifting hook, the hoist engine body, jack-up chain and lower lifting hook, be equipped with the battery compartment in the organism, including a motor, an end cap, a controller, and a cover plate, reducing gear box, lifting wheel and stopper, establish removable battery in the battery compartment, the battery provides the power for motor and stopper, the output shaft of motor and the input transmission cooperation of reducing gear box, the output and the lifting wheel transmission cooperation of reducing gear box, the jack-up chain is around the periphery in the lifting wheel, its bottom can be when the lifting wheel rotates up-and-down motion, lower lifting hook and lifting chain bottom fixed connection, the motor rotates and drives the lifting wheel through the reducing gear box transmission and rotates, make down the lifting hook along with the jack-up chain up-and-down motion completion jack-up operation. The utility model discloses hoisting equipment adopts the battery power supply, is suitable for and uses in the open air environment, and the battery can dismantle the change, and self-actuating brake satisfies multiple occasion user demand when the electric quantity exhausts.

Description

Electric hoisting equipment powered by storage battery

Technical Field

The utility model belongs to the technical field of the jacking equipment technique and specifically relates to an electronic hoisting equipment by battery powered is related to.

Background

At present, electric hoisting equipment on the market, such as an electric hoist, a winch can be powered by a power line, and the power line is required to be connected with an external power socket for power supply.

However, when there is no power socket nearby, the wire needs to be pulled, which not only is troublesome to operate, but also occupies working space, and during the working process, the wire may be moved or touched, causing the wire to be wound or even broken, affecting the field cleanliness, and causing the risk of electric shock by mistake.

In addition, when the electric power generating equipment is used in field work, the electric power generating equipment cannot be connected with a power socket, the electric power generating equipment cannot work independently, the electric power generating equipment needs to be prepared for power supply, the carrying is troublesome, energy is wasted, and the working efficiency is influenced.

Adopt the battery power supply can solve above-mentioned problem, but traditional battery and motor can't effectively match, and the power that provides is limited, can't satisfy normal jack-up operation demand, and when the battery did not have the electricity, jack-up operation was interrupted, and the heavy object can the landing, has safe risk.

In view of the above, the present invention provides an electric hoisting apparatus powered by a storage battery to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric hoisting equipment by battery powered, this hoisting equipment can be by the battery powered completion jack-up operation, and can be when battery power exhausts automatic brake, no longer rely on the power cord, is fit for using in the field environment.

The utility model provides an electric hoisting device powered by a storage battery, which comprises an upper hook, a crane body, a hoisting chain and a lower hook, a battery bin, a motor, a reduction box, a lifting wheel and a brake are arranged in the crane body, a detachable and replaceable storage battery is arranged in the battery bin, the storage battery is respectively and electrically connected with the motor and the brake, used for providing power supply for the motor, the output shaft of the motor is in transmission fit with the input end of the reduction gearbox, the output end of the reduction gearbox is in transmission fit with the hoisting wheel, the top end of the hoisting chain is wound on the periphery of the hoisting wheel, the bottom end of the hoisting chain can move up and down when the hoisting wheel rotates, the lower lifting hook is fixedly connected with the bottom end of the hoisting chain, the motor rotates and drives the hoisting wheel to rotate after being transmitted by the reduction gearbox, so that the lower lifting hook moves up and down along with the hoisting chain to finish hoisting operation.

Preferably, the brake is arranged on one side of an end cover of the motor and can hold a main shaft of the motor tightly when the storage battery is exhausted, so that the main shaft stops rotating.

Preferably, the brake is electrically connected with the storage battery through a brake electromagnet, the brake is arranged coaxially with the main shaft of the motor, and the brake can hold the main shaft of the motor when the brake electromagnet is powered off.

Preferably, a bin door is arranged on one side of the battery bin, the bin door is rotatably connected with the crane body, and the battery bin can be opened or closed by rotating the bin door.

Preferably, a first gear set, a second gear set and a third gear set are arranged in the reduction gearbox, wherein the first gear set is used for being in matched transmission with a spindle of the motor, the third gear set is used for being in matched transmission with a rotating shaft of the hoisting wheel, and the second gear set is used for transmitting power to the third gear set from the first gear set.

Preferably, the first gear set comprises a gear A and a gear B, the gear A and the gear B are in meshed transmission, and the gear A is coaxially arranged with the output shaft of the motor and synchronously rotates with the output shaft; the second gear set comprises a gear C and a gear D, the gear C and the gear D are in meshed transmission, the third gear set comprises a gear E and a gear F, the gear E and the gear F are in meshed transmission, the gear F and a rotating shaft of the lifting wheel are coaxially arranged to drive the lifting wheel to synchronously rotate, the gear B and the gear C are coaxially arranged, and the gear D and the gear E are coaxially arranged.

Preferably, the transmission ratio of the gear A to the gear B is not less than 5, the transmission ratio of the gear C to the gear D is not less than 5, and the transmission ratio of the gear E to the gear F is not less than 5.

Preferably, the gear A, the gear B, the gear C and the gear D are all helical gears, and the gear E and the gear F are spur gears.

Preferably, a rotary switch is arranged on the bin gate.

Preferably, the upper lifting hook and the lower lifting hook are both provided with anti-dropping buckling structures which are rotatably connected with the upper lifting hook and the lower lifting hook.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the storage battery is adopted to supply power to replace the traditional power line power supply mode, the storage battery can be quickly disassembled and replaced, the lifting operation is suitable for being carried out in the field environments such as the sea, the desert, the forest, the underground and the like, the power line laying is avoided, the economy and the convenience are realized, the labor intensity is reduced, and the operation efficiency is improved;

2. the brake is powered by the storage battery, when the electric quantity of the storage battery is exhausted, the main shaft of the motor can be locked, so that the hoisting equipment can be automatically braked, the phenomenon that heavy objects slide downwards is avoided, the safety and the reliability are realized, and the normal operation can be recovered after the storage battery is replaced;

3. through the transmission of motor cooperation gear train, increased hoisting torque, the jack-up quality that makes hoisting equipment can reach more than one ton, satisfies the user demand of most occasions.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the hoisting equipment of the present invention;

fig. 2 is a schematic view of the internal structure of the crane body according to the present invention;

fig. 3 is a schematic diagram of the internal structure of the middle reduction gearbox of the present invention.

Description of reference numerals:

1: an upper hook; 2: a crane body; 3: a hoisting chain; 4: a lower hook; 5: a battery compartment; 6: an electric motor; 7: a reduction gearbox; 71: a gear A; 72: a gear B; 73: a gear C; 74: a gear D; 75: a gear E; 76: a gear F; 8: a hoisting wheel; 9: a brake; 10: a storage battery; 11: and (5) controlling the system.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the utility model provides an electric hoisting equipment by battery powered, including last lifting hook 1, crane body 2, jack-up chain 3 and lower lifting hook 4, go up lifting hook 1 fixed mounting in the top of crane body, jack-up chain 3 is stretched out downwards by crane body 2's bottom, and lower lifting hook 4 is connected with the bottom fixed of jack-up chain 3 for hang the heavy object of waiting to lift by crane.

As shown in fig. 2, a battery compartment 5, an electric motor 6, a reduction gearbox 7, a hoisting wheel 8 and a brake 9 are arranged in the crane body 2, a storage battery 10 which is convenient to detach and replace is arranged in the battery compartment 5, and the storage battery 10 is electrically connected with the electric motor 6 and the brake 9 respectively and can provide power for the electric motor 6 and the brake 9 simultaneously.

The main shaft of motor 6 and the input transmission cooperation of reducing gear box 7, the output of reducing gear box 7 and the pivot transmission cooperation of lifting wheel 8, the top of jack-up chain 3 is around on the outer peripheral face of lifting wheel 8, the bottom of jack-up chain 3 can be at the up-and-down motion of lifting wheel 8 when rotating, lower lifting hook 4 and the bottom fixed connection of jack-up chain 3, motor 6 is rotated by the power supply of battery 10, drive the gear train transmission back in the reducing gear box 7, the moment of torsion increases, thereby drive lifting wheel 8 and rotate, winding or loosening through jack-up chain 3, make lower lifting hook 4 along with the bottom up-and-down motion of jack-up chain 3 together, it accomplishes the jack-up operation to lift up the heavy object.

In this embodiment, the brake 9 is disposed on the end cover side of the motor 6, and can lock the main shaft of the motor to stop rotating. The brake 9 is electrically connected with the storage battery 10 through a brake electromagnet, wherein the brake electromagnet comprises a coil, an armature and an iron core, the coil is connected with the storage battery 10, the brake 9 comprises a brake wheel, a brake shoe and a spring, the brake wheel is installed on a main shaft of the motor 6, the brake shoe is connected with the armature through the spring, after the coil is electrified, the armature is attracted, the brake shoe and the brake wheel are separated under the action of the attraction of the armature, and the motor 6 normally works; when the accumulator 10 is exhausted, the coil is cut off, the armature and the iron core are separated under the action of the spring tension, and the brake shoe tightly holds the brake wheel, so that the main shaft of the motor 6 stops immediately, the transmission system stops running, and the lifting wheel 8 automatically brakes.

In this embodiment, a door is disposed on one side of the battery compartment 5, the door is rotatably connected to the crane body 2 via a hinge, and the battery compartment 5 can be opened or closed by rotating the door. The bin door is provided with the rotary switch, so that the bin door can be ensured to be in a closed state under the normal condition, and when the storage battery 10 needs to be replaced, the bin door can be conveniently opened through the rotary switch, so that the storage battery 10 can be replaced.

As shown in fig. 3, in the present embodiment, a first gear set, a second gear set and a third gear set are provided in the reduction gearbox 7, wherein the first gear set is used for being in transmission with the output shaft of the electric motor 6, and includes a gear a71 and a gear B72, the gear a71 and the gear B72 are in transmission with each other in an engaged manner, and the gear a71 is arranged coaxially with the output shaft of the electric motor 6 and is mounted at the end thereof through a coupling. The second gear set comprises a gear C73 and a gear D74, the gear C73 and the gear D74 are in meshed transmission, and the second gear set is used for transmitting power from the first gear set to the third gear set. The third gear set is used for being matched with the rotating shaft of the hoisting wheel 8 for transmission, and comprises a gear E75 and a gear F76, the gear E75 and the gear F76 are in mutual meshing transmission, and the gear F76 and the rotating shaft of the hoisting wheel 8 are coaxially arranged to drive the hoisting wheel to synchronously rotate. In the gear set, the gear B72 and the gear C73 are mounted on the same transmission shaft, and the gear D74 and the gear E75 are mounted on the same transmission shaft.

In this embodiment, in order to ensure the output torque of the hoisting wheel, the transmission ratio i1 (i.e. the speed ratio, equal to 1/tooth ratio) of gear a71 to gear B72 is not less than 5, the transmission ratio i2 of gear C73 to gear D74 is not less than 5, and the transmission ratio i3 of gear E75 to gear F76 is not less than 5.

More specifically, if i1 is i2 is i3 is 10, the reduction gear ratio of the reduction gear box 7 is 10 × 10 is 1000, and if the radius of the hoisting wheel 8 is R and the weight of the load to be hoisted is 1000kg, the output torque of the hoisting wheel 8 is 1000kg

T1＝F*R＝1000kg*10N/kg*Rm＝10000RNm

Rated output torque of the motor 6

T0＝10000RNm/1000＝10RNm

According to the rated output torque formula of the motor

T0＝9550P/n

Wherein P is the rated power of the motor, and n is the rotation speed of the motor

Assuming that the rated power of the selected AC motor is 2.2KW and the rotating speed is 2800r/min, then

10R＝9550*2.2/2880

In this case, since R is 0.75m, the radius of the hoisting wheel 8 is less than 0.75m under the above conditions, and the amount of the heavy material to be hoisted can be ensured to be 1 ton or more.

Of course, in actual operation, a proper motor model can be selected according to the heavy material quantity to be lifted, so that the power and the rotating speed of the motor meet the minimum requirement of lifting on output torque, full load is avoided, the reduction ratio of the reduction gearbox 7 can be designed, the diameter of the lifting wheel 8 meets the operation requirement, and the structure of the crane body 2 is compact.

In the embodiment, the gear A71, the gear B72, the gear C73 and the gear D74 are all helical gears, so that the transmission is more stable, the stable speed of the torque is ensured, the gear E75 and the gear F76 are straight gears, the range of the transmission ratio i3 is larger, and meanwhile, the hoisting wheel 8 is ensured not to generate axial jumping during hoisting.

In addition, in this embodiment, go up lifting hook 1 and lower lifting hook 4 and all be provided with rather than rotatable coupling's anti-disengaging buckle structure, guarantee to lift by crane the in-process at the heavy object, go up to hang stably between lifting hook 1 and mount, lower lifting hook 4 and the heavy object, avoid causing the incident because of the dropout.

In this embodiment, a control system 11 is further disposed in the crane body 2, and the control system 11 is connected to an external controller, and can control the forward and reverse rotation of the motor 6, the rotation speed thereof, and the like, so as to control the lifting, falling, and running speed thereof of the heavy object.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An electric hoisting device powered by a storage battery is characterized by comprising an upper lifting hook, a crane body, a hoisting chain and a lower lifting hook, a battery bin, a motor, a reduction box, a lifting wheel and a brake are arranged in the crane body, a detachable and replaceable storage battery is arranged in the battery bin, the storage battery is respectively and electrically connected with the motor and the brake, used for providing power supply for the motor, the output shaft of the motor is in transmission fit with the input end of the reduction gearbox, the output end of the reduction gearbox is in transmission fit with the hoisting wheel, the top end of the hoisting chain is wound on the periphery of the hoisting wheel, the bottom end of the hoisting chain can move up and down when the hoisting wheel rotates, the lower lifting hook is fixedly connected with the bottom end of the hoisting chain, the motor rotates and drives the hoisting wheel to rotate after being transmitted by the reduction gearbox, so that the lower lifting hook moves up and down along with the hoisting chain to finish hoisting operation.

2. A battery powered electric lifting device as claimed in claim 1, wherein said brake is provided on the end cap side of said electric motor to grip the main shaft of said electric motor to stop rotation when said battery is depleted.

3. A battery powered electric lifting device according to claim 2, wherein the brake is electrically connected to the battery via a brake electromagnet, the brake being arranged coaxially with the main shaft of the electric motor, the brake being adapted to grip the main shaft of the electric motor when the brake electromagnet is de-energised.

4. The battery powered electric lifting apparatus of claim 1, wherein a door is provided on one side of the battery compartment, the door being rotatably connected to the crane body, the battery compartment being openable and closable by rotating the door.

5. The electric hoisting equipment powered by the storage battery as claimed in claim 1, wherein a first gear set, a second gear set and a third gear set are provided in the reduction box, wherein the first gear set is used for being in fit transmission with a spindle of the electric motor, the third gear set is used for being in fit transmission with a rotating shaft of the hoisting wheel, and the second gear set is used for transmitting power from the first gear set to the third gear set.

6. A battery powered electric lifting device according to claim 5, wherein said first gear set comprises a gear A and a gear B, said gear A and said gear B being in meshing transmission, said gear A being arranged coaxially with the output shaft of said electric motor for synchronous rotation therewith; the second gear set comprises a gear C and a gear D, the gear C and the gear D are in meshed transmission, the third gear set comprises a gear E and a gear F, the gear E and the gear F are in meshed transmission, the gear F and a rotating shaft of the lifting wheel are coaxially arranged to drive the lifting wheel to synchronously rotate, the gear B and the gear C are coaxially arranged, and the gear D and the gear E are coaxially arranged.

7. A battery powered electric lifting device according to claim 6, wherein the gear ratio of gear A to gear B is not less than 5, the gear ratio of gear C to gear D is not less than 5, and the gear ratio of gear E to gear F is not less than 5.

8. A battery powered electric lifting device according to claim 6 wherein gear A, gear B, gear C and gear D are all helical gears and gear E and gear F are spur gears.

9. Electric hoisting battery-powered equipment according to claim 4, characterized in that the hatch is provided with a rotary switch.

10. An electric battery powered lifting apparatus as claimed in claim 1 wherein the upper and lower hooks are each provided with anti-snap formations rotatably connected thereto.