CN215160537U

CN215160537U - Double-reel lifting device

Info

Publication number: CN215160537U
Application number: CN202120654144.4U
Authority: CN
Inventors: 吴思够; 周任伟; 米嘉; 赵明; 马波; 顾杨丹
Original assignee: Sinohydro Bureau 7 Co Ltd; Sinohydro Jiajiang Hydraulic Machinery Co Ltd
Current assignee: Sinohydro Bureau 7 Co Ltd; Sinohydro Jiajiang Hydraulic Machinery Co Ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-12-14
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a two reel play to rise device relates to the technical field who plays to rise the device, including drive arrangement, pinion, two gear wheels, two diameters winding drum group inequality, drive arrangement drives the pinion and forms the power supply as the drive wheel, and two gear wheels are as follows the driving wheel, and the winding drum group connection that differs with two diameters is as an organic whole respectively, and two gears of drive winding drum share a pinion, and the pinion drives two gears and drives two diameters winding drum groups that differ simultaneously, adopts wire rope and similar rope to organize from the major diameter winding drum of one side to the minor diameter winding drum of opposite side and is connected with being hoisted the object. The invention can effectively reduce the driving torque of the intermediate transmission gear, thereby reducing the power of the generator and the speed reducer, reducing the energy consumption, simultaneously reducing the maximum power requirement on the generator and the speed reducer, reducing the cost, and simultaneously solving a series of problems caused by counter weight in the prior art.

Description

Double-reel lifting device

Technical Field

The utility model relates to a play to rise the technical field of device, exactly relate to and reduce the device that plays to rise load when playing to rise the device and lifting by crane the object, typical application occasion as follows: and (4) opening and closing the water conservancy and hydropower gate.

Background

Along with the continuous progress of the society, the technology of the hoisting device is more and more perfect. Among them, the requirements for the energy saving capability and the required cost of the hoisting device are higher and higher. The traditional lifting device has the advantages that the load increasing speed is increased, and corresponding motors and speed reducers can be matched according to external positive torque, and corresponding control components and power supply cables are matched. High-power products are often selected, balance cannot be compensated according to load in actual use, and energy consumption is large.

Therefore, in the prior art, a chinese utility model patent document with an authorization publication number of CN2732707Y and an authorization publication date of 2005, 10 and 12 is proposed to solve the above-mentioned technical problems, and the technical solution disclosed in the patent document is as follows:

a hoist for a bridge or gantry crane, characterized by: the guide rail is connected with a balance compensation device, the winding drum and a compensation winding drum are arranged into an integral or separated winding drum, a compensation steel wire rope reversely wound with the lifting steel wire rope is arranged on the compensation winding drum, and the compensation steel wire rope bypasses the pulley block and the detector and is connected with the balance compensation device. The utility model discloses under the same lifting speed, when lifting by crane wire rope and lifting by crane the load, produce forward working torque to the reel, compensation wire rope passes through the compensation arrangement and produces reverse compensation moment to the compensation reel, according to comprehensive analysis and hoist work rank, load classification, designs out the best compensation balance, realizes moment and the corresponding motor of configuration, reduction gear of optimization on the reel, makes to play to rise motor, reduction gear power and reduces 25-30%, has better economic benefits.

In the actual use process of the technology, the power of the generator and the speed reducer is reduced by arranging a compensation winding drum, namely a method of adding a balancing weight or a balancing strip and a method of balancing partial load torque by using reverse torque generated by the balancing weight to reduce the lifting load, so that the energy consumption is reduced, the maximum power requirement on the generator and the speed reducer is reduced, and the cost is reduced. But the counter weight that sets up needs to change according to the change that rises load, and needs occupy corresponding cost and space, has also increaseed the load of basis or structure simultaneously, when hoisting device is used for water conservancy water and electricity gate to open and close, often can lead to the not enough scheduling problem of bottom water seal downforce.

Disclosure of Invention

The utility model aims to provide a double-reel hoisting device aiming at the defects and shortcomings of the prior art,

the utility model discloses a realize through adopting following technical scheme:

the utility model provides a two reel play to rise device which characterized in that: including drive arrangement, pinion, first gear wheel and second gear wheel and two first reel group and the second reel group that the diameter is inequality, drive arrangement drives the pinion and forms the power supply as the drive wheel, first gear wheel, second gear wheel are as following the driving wheel, be connected as an organic wholely with first reel group and second reel group respectively, the first gear wheel of drive first reel group and second reel group, a pinion of second gear wheel sharing, the pinion drives first gear wheel, first reel group of second gear wheel simultaneous drive and second reel group, adopt on wire rope and similar rope winds the first reel group of minor diameter of opposite side from the major diameter second reel group of one side, be connected with the object of being hoisted.

The driving device comprises a motor, a brake connected with the motor, a speed reducer with one end connected with the brake, a coupler connected with the other end of the speed reducer, and a transmission shaft connected with the coupler and the pinion.

And a hand-operated mechanism is arranged below the speed reducer.

Bearing seats are arranged on two sides of the gear, the winding drum group and the transmission shaft.

The rope is connected with the hoisted object through a pulley block.

The pulley block adopts a mode of combining a fixed pulley block and a movable pulley block.

The pulley block and the lifted object are connected into a whole in a lifting hook or pin shaft mode.

The rope is a steel wire rope.

The first gearwheel and the second gearwheel have the same rotating direction with the first reel group and the second reel group, and the pinion has the opposite rotating direction with the first reel group and the second reel group.

The second winding drum group with the large diameter drives the rope to be opposite to the lifting direction of the first winding drum group with the small diameter.

In the hoisting process of a hoisted object, loads are transmitted to a first reel group and a second reel group through a steel wire rope, different torques are formed on a first large gear and a second large gear by the steel wire rope due to different diameters of the reel groups and are transmitted to a first large gear and a second large gear, the torques of the first large gear and the second large gear are transmitted to a pinion, the first large gear and the second large gear which are connected with the first reel group and the second reel group into a whole are driven by the same pinion, opposite torques are formed on the pinion, and partial torques are offset with each other, so that the driving torque of an intermediate transmission gear can be effectively reduced, the torque of a hoisting device required by the pinion for driving the first large gear and the second large gear is the difference value of the load torques of the reels with different diameters, and the hoisting capacity of the hoisting device mainly depends on the strength (diameter) of the steel wire rope and the multiplying power of a pulley, the (multiplying power is constant) lifting speed mainly depends on the diameter difference of the winding drum and the rotating speed of the winding drum, and the driving torque required by the intermediate transmission gear mainly depends on the tension of the steel wire rope and the diameter difference of the winding drum.

Compared with the prior art, the utility model discloses the beneficial effect who reaches as follows:

1. in the utility model, in the hoisting process of the hoisted object, the load is transmitted to two first big gears and two second big gears through the steel wire rope, because the diameters of the first big gears and the second big gears are different, the rope forms different torques on the first reel group and the second reel group and transmits the torques to the first big gears and the second big gears, the torques of the first big gears and the second big gears are transmitted to the pinion, because the first big gears and the second big gears which are connected with the reel group into a whole are driven by the same pinion, the torques with opposite effects are formed on the pinion, the effect of mutual offset of partial torques is generated, thus the driving torque of the intermediate transmission gear can be effectively reduced, in this way, the effect of reducing the driving torque is achieved by balancing the torques in the hoisting process, the power of the generator and the reducer is reduced, the consumption of energy is reduced, and the maximum power requirements of the generator and the reducer are reduced at the same time, the cost is reduced. Meanwhile, compared with the prior art represented by the patent document with the publication number of CN2732707Y, the counter weight is cancelled, the problem that the pressure under a bottom water seal is not enough when a lifting device is used for opening and closing a water conservancy and hydropower gate, and the problems that the set counter weight needs to be changed according to the change of a lifting load, corresponding cost and space need to be occupied, and the load of a foundation or a structure is increased are solved.

2. The utility model discloses in, drive arrangement includes the motor, the reduction gear that stopper, one end and the stopper be connected of being connected with the motor, the shaft coupling of being connected with the reduction gear other end and the transmission shaft with shaft coupling and gear connection, and this kind of mode that sets up is CN2732707Y patent document's mode for the advertisement number, and better control and transmission power drive whole hoisting device, the life and the performance of promotion machinery.

3. The utility model discloses in, the reduction gear below is connected with a hand rocking mechanism, can rotate through hand in needs, improves stability ability simultaneously, reduces the potential safety hazard.

4. The utility model discloses in, the both sides of gear, reel group, transmission shaft are provided with the bearing frame that plays the supporting role, can support the mechanical rotator, reduce the coefficient of friction in its motion process to guarantee its gyration precision, improve mechanical life and make whole mechanism more stable, safe simultaneously.

5. The utility model discloses in, the rope is connected through the assembly pulley with the object of being hoisted, can use according to the demand and change application of force direction and laborsaving assembly pulley.

6. The utility model discloses according to the needs of reality, the assembly pulley that uses between rope and the hung object adopts the mode that can change the fixed pulley group of application of force direction and can laborsaving running block inter combination.

7. The utility model discloses according to the demand of reality, the assembly pulley with by the mode connection as an organic whole through lifting hook or round pin axle between the object of lifting by crane.

8. The utility model discloses according to the demand of reality, the rope is wire rope.

9. The utility model discloses in, drive arrangement drives the pinion rotation, and first gear wheel and second gear wheel are as following driving wheel and pinion direction of rotation opposite, and the rotation of equidirectional is done to first reel group and second reel that two diameters are different along with first gear wheel and second gear wheel, is convenient for form the torque that acts on the contrary on the pinion.

10. The utility model discloses in, the big rotary drum of diameter with lifting direction when the little rotary drum of diameter drives the rope is different, is convenient for form the torque that acts on the contrary on the pinion, makes the transmission go up and down steadily, safe and reliable simultaneously.

Compared with the prior art represented by patent document with the authorized advertisement number of CN111392587A, the utility model has obvious differences:

although there are two drums with different diameters in the patent document CN111392587A, the method, purpose and effect used by the drum are different from the present patent, the patent drives the chain to connect through the motor, so that the chain drives two drums with different diameters to rotate in the same direction, and because the diameters of the drums are different, the differential lifting is realized, the position of the goods descending and lifting can be strictly limited, the double drum structure can make the lifting process more stable, prevent swinging, and reduce noise; the invention achieves the effect of reducing the driving torque by a method that the pinion drives the gearwheel and simultaneously drives the two winding drums with different diameters, because the first gearwheel and the second gearwheel which are connected with the first winding drum group and the second winding drum into a whole are driven by the same pinion, and the rotation directions of the pinion, the first gearwheel and the second gearwheel, the first winding drum group and the second winding drum are different, thereby generating torque with opposite effects on the pinion, and generating the effect of mutually offsetting partial torque.

Meanwhile, the invention aims to achieve the effect of reducing the driving torque and solve the problem of counterweight of the existing crane at the same time, and the method and the intended purpose are different from the method and the intended effect.

Therefore, the present invention is obviously different from the patent document in both technical solutions and achieved technical effects.

Drawings

The invention will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:

fig. 1 is a schematic overall layout of the present invention;

fig. 2 is a schematic view of the overall driving of the present invention;

fig. 3 is a schematic diagram of the winding of the steel wire rope of the present invention;

fig. 4 is a schematic structural view of the speed reducer when connected with a gear.

The labels in the figure are:

1. the device comprises a bearing seat, 2, a first reel group, 3, a first large gear, 4, a second reel group, 5, a second large gear, 6, a small gear, 7, a transmission shaft, 8, a coupler, 9, a speed reducer, 10, a brake, 11, a motor, 12, a hand-operated mechanism, 13, a fixed pulley block, 14, a steel wire rope, 15 and a movable pulley block.

Detailed Description

Example 1

As a preferred embodiment of the present invention, referring to the attached fig. 4 of the specification, the present invention comprises a driving device, a pinion 6, a first gearwheel 3 and a second gearwheel 5, and a first reel set 2 and a second reel set 4, wherein a motor 11 and a reducer 9 constitute the driving device for providing power to the pinion 6, a brake 10 is connected between the motor and the reducer, the driving device directly drives the pinion 6 to drive the first gearwheel 3 and the second gearwheel 5, and simultaneously drives the first reel set 2 and the second reel set 4 with different diameters, a steel wire 14 is wound from the large-diameter reel set 4 on one side to the small-diameter reel set 2 on the other side, the first gearwheel 3 and the second gearwheel 5 of the driving reel share the pinion 6, the pinion 6 and the driving device are combined to form a power source as a driving wheel, the first gearwheel 3 and the second gearwheel 5 are used as a driven wheel, the hoisting device is respectively connected with the first reel set 2 and the second reel set 4 into a whole, a hoisted object is directly connected with the reels through steel wire ropes, and bearing seats 1 for supporting are arranged on two sides of the gear, the first reel set 2, the second reel set 4 and other parts, wherein the steel wire ropes can be steel wire ropes, chains and the like.

Example 2

As the best mode of the utility model, referring to the attached figure 1 of the specification, the invention comprises a driving device, a pinion 6, a first gearwheel 3 and a second gearwheel 5, a first reel group 2 and a second reel group 4, the driving device is used for driving the pinion 6 so as to drive the first gearwheel 3 and the second gearwheel 5, and simultaneously driving the first reel group 2 and the second reel group 4 with different diameters, a steel wire rope 14 is wound from the large-diameter reel group 4 on one side to the small-diameter reel group 2 on the other side, a fixed pulley group 13 and a movable pulley group 15 are passed through the middle part, the first gearwheel 3 and the second gearwheel 5 of the driving reel share one pinion 6, the pinion 6 and the driving device are combined to form a power source as a driving wheel, the first gearwheel 3 and the second gearwheel 5 are used as driven wheels and are respectively connected with the two first reel groups 2 and the two second reel groups 4 into a whole, the motor 11, the brake 10, the reducer 8, the coupling 8, the transmission shaft 7 and other components form a driving device for providing power for the pinion 6, the reducer 9 is connected with a hand-operated mechanism 12, bearing seats 1 for supporting are arranged on two sides of the transmission shaft 7, the gear, the first reel set 2, the second reel set 4 and other components, the pulley block adopts a mode of combining a fixed pulley block 13 and a movable pulley block 15, the winding mode refers to the attached drawing 3 of the specification, and here, the movable pulley block 15 and a lifted object can be connected into a whole in a hook mode or in a pin shaft mode.

Example 3

As another preferred embodiment of the present invention, referring to the attached figure 2 of the specification, the present invention comprises a driving device, a pinion, a first gearwheel 3 and a second gearwheel 5, and a first reel set 2 and a second reel set 4, wherein a motor 11 and a reducer 9 constitute the driving device for providing power to the pinion 6, directly drive the pinion 6 to drive the first gearwheel 3 and the second gearwheel 5, simultaneously drive the two first reel set 2 and the second reel set 4 with different diameters, wind the large-diameter reel set 4 on one side onto the small-diameter reel set 2 on the other side by using a steel wire rope 14, pass through a fixed pulley set 13 and a movable pulley set 15 in the middle, drive the first gearwheel 3 and the second gearwheel 5 of the first reel set 2 and the second reel set 4 to share the pinion 6, the pinion 6 and the driving device are combined to form a power source as a driving wheel, the first gearwheel 3 and the second gearwheel 5 are used as a driven wheel, the movable pulley block 15 and the lifted object can be connected into a whole in a lifting hook mode or in a pin shaft mode, and the steel wire rope can be a steel cable or a chain and the like.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a two reel play to rise device which characterized in that: comprises a driving device, a pinion (6), a first gearwheel (3), a second gearwheel (5), two first reel groups (2) and two second reel groups (4) with different diameters, wherein the driving device drives the pinion (6) to form a power source as a driving wheel, the first gearwheel (3) and the second gearwheel (5) as driven wheels are respectively connected with the two first reel groups (2) and the second reel groups (4) with different diameters into a whole, the first gearwheel (3) and the second gearwheel (5) for driving the first reel groups (2) and the second reel groups (4) share the pinion (6), the pinion (6) drives the first gearwheel (3) and the second gearwheel (5) and simultaneously drives the first reel groups (2) and the second reel groups (4) with two different diameters, and a rope is adopted to wind the first reel groups (2) with different diameters from the second reel groups (4) with different diameters on one side to the first reel groups (2) on the other side, connected with the hoisted object.

2. A twin drum hoist as claimed in claim 1, wherein: the driving device comprises a motor (11), a brake (10) connected with the motor (11), a speed reducer (9) with one end connected with the brake (10), a coupling (8) connected with the other end of the speed reducer (9) and a transmission shaft (7) connected with the coupling (8) and a gear.

3. A twin drum hoist as claimed in claim 2, wherein: a hand-operated mechanism (12) is arranged below the speed reducer (9).

4. A twin drum hoist as claimed in claim 1 or 2, wherein: bearing seats (1) are arranged on two sides of the pinion (6), the first gearwheel (3), the second gearwheel (5), the first reel group (2), the second reel group (4) and the transmission shaft (7).

5. A twin drum hoist as claimed in claim 1, wherein: the rope is connected with the hoisted object through a pulley block.

6. A twin drum hoist as claimed in claim 5, wherein: the pulley block adopts a mode of combining a fixed pulley block (13) and a movable pulley block (15).

7. A twin drum hoist as claimed in claim 5, wherein: the pulley block and the lifted object are connected into a whole in a mode of a lifting hook and a pin shaft.

8. A twin drum hoist as claimed in claim 1, wherein: the rope is a steel wire rope (14).

9. A twin drum hoist as claimed in claim 1, wherein: the first large gear (3) and the second large gear (5) are in the same rotating direction as the first reel group (2) and the second reel group (4), and the pinion is opposite to the first reel group (2) and the second reel group (4).

10. A twin drum hoist as claimed in claim 1, wherein: the second winding drum group (4) with the large diameter drives the lifting direction of the rope to be opposite to the lifting direction of the first winding drum group (2) with the small diameter.