CN112591637A

CN112591637A - Hoisting winch for water conservancy ships

Info

Publication number: CN112591637A
Application number: CN202011397213.4A
Authority: CN
Inventors: 吕永兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-04-02

Abstract

The invention relates to the technical field of winch braking, and discloses a hoisting winch for a water conservancy ship, which comprises a driving motor, a braking mechanism and a braking wheel, wherein a driving gear is fixedly sleeved at the top end of a transmission shaft of the driving motor, an electromagnetic coil is fixedly installed at the lower part of an electromagnetic armature on the braking mechanism, an inner gear is fixedly connected to the end face, located on one side of the driving motor, of the braking wheel, and a driven gear is connected between the driving gear and the inner gear in a transmission mode. According to the invention, the driving gear is arranged on the transmission shaft of the driving motor, the internal gear is fixedly connected with the end surface of the brake wheel, and the driving gear is in transmission connection with the internal gear through the driven gear, so that the driving motor can still rotate and drive the driven gear to rotate around the internal gear when the brake wheel is braked and locked, a huge torque generated when the brake wheel is suddenly locked is effectively relieved, and the conditions of damage to the transmission shaft of the motor and the like are avoided.

Description

Hoisting winch for water conservancy ships

Technical Field

The invention relates to the technical field of winch braking, in particular to a hoisting winch for a water conservancy ship.

Background

The hoisting machine is a common hoisting device in hoisting machinery, also called a winch, can vertically lift and horizontally or obliquely drag heavy objects, is mainly divided into a manual hoisting machine, an electric hoisting machine and a hydraulic hoisting machine, and is widely applied to material lifting of buildings, hydraulic engineering, forestry, mining industry, wharfs, ships and the like due to simple operation and large rope winding amount.

The winch used on the ship is mostly used for hoisting, the heavy object is mainly hoisted through the winch, the hoisted heavy object is stopped at a designated position by controlling a braking mechanism of the winch, the braking of the existing winch is mainly divided into electromagnetic braking and hydraulic braking, the electromagnet braking controls the magnetism obtaining and demagnetization of an electromagnet armature through the electrification and the outage of an electromagnetic coil, and further controls the brake and the brake releasing of a brake arm on a brake wheel.

Disclosure of Invention

Aiming at the defects of the existing winch in the use process in the background technology, the invention provides the hoisting winch for the water conservancy ship, which has the advantages that the motor can still continue to operate when the winch is braked, a transmission shaft does not need to bear instantly increased torque, the fracture of the transmission shaft of the motor is avoided, and the technical problems in the background technology are solved.

The invention provides the following technical scheme: the utility model provides a lifting hoist engine for water conservancy boats and ships, includes driving motor, arrestment mechanism and braked wheel, the fixed driving gear that has cup jointed in top of driving motor transmission shaft, the last electromagnetic armature's of arrestment mechanism lower part fixed mounting has solenoid, the braked wheel is located the terminal surface fixedly connected with internal gear of driving motor one side, the transmission is connected with driven gear between driving gear and the internal gear, the last flank of tooth of internal gear is equipped with positive contact and negative contact point, the lower flank of tooth of internal gear is equipped with the electro-magnet, driven gear's lower flank of tooth is equipped with the conducting strip, driven gear's last flank of tooth is equipped with the permanent magnet, transmission between driven gear and the internal gear is by conducting strip, permanent magnet, positive contact.

Preferably, the solenoid is energized with the drive gear de-energized.

Preferably, the electromagnet on the internal gear is an N pole, and the permanent magnet on the driven gear is an electromagnetic S pole and is magnetically attracted to the electromagnet.

Preferably, the conductive sheets at the meshing part of the driven gear and the internal gear are covered on the positive contact point and the negative contact point, and the top surfaces of the positive contact point and the negative contact point are positioned on the same horizontal plane.

The invention has the following beneficial effects:

1. according to the invention, the driving gear is arranged on the transmission shaft of the driving motor, the internal gear is fixedly connected with the end surface of the brake wheel, and the driving gear is in transmission connection with the internal gear through the driven gear, so that the driving motor can still rotate and drive the driven gear to rotate around the internal gear when the brake wheel is braked and locked, a huge torque generated when the brake wheel is suddenly locked is effectively relieved, and the conditions of damage to the transmission shaft of the motor and the like are avoided.

2. According to the invention, the positive contact point and the negative contact point are arranged on the upper tooth surface of the internal gear, the electromagnet is arranged on the lower tooth surface of the internal gear, the permanent magnet and the conducting strip are respectively arranged on the upper tooth surface and the lower tooth surface of the driven gear meshed with the internal gear, the conducting strip is contacted with the positive contact point and the negative contact point through the meshed contact of the internal gear and the driven gear, so that the electromagnet is electrified to be attracted with the action of the permanent magnet, the stable starting of the winch after braking is effectively ensured, the slipping phenomenon caused by starting is avoided, the meshing pressure between the tooth tops and the tooth roots of the internal gear and the driven gear is reduced through the action of the permanent magnet and the electromagnet, and.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a side view of the braking mechanism of the present invention;

FIG. 4 is a schematic view of the engagement distribution structure of the driving gear, the internal gear and the driven gear of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the connection between the motor and the brake wheel according to the present invention.

In the figure: 1. a base; 2. a reel; 3. a gear case; 4. a drive motor; 41. a driving gear; 5. a brake mechanism; 51. a pull rod; 52. a pressure spring; 53. a left brake arm; 54. a left brake shoe; 55. an electromagnetic armature; 56. an electromagnetic coil; 57. a right brake arm; 58. a right brake shoe; 6. a brake wheel; 61. an internal gear; 62. a driven gear; 611. a positive contact; 612. a negative contact point; 613. an electromagnet; 621. a conductive sheet; 622. and a permanent magnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a hoisting winch for water conservancy ships comprises a base 1, a winding drum 2 is fixedly installed at the rear side of the base 1, a gear box 3 is fixedly installed at the left side of the winding drum 2 of the base 1, a driving motor 4 is fixedly installed at the front side of the winding drum 2 at the middle part of the base 1, a braking mechanism 5 is fixedly installed at the left side of the right driving motor 4 at the front part of the gear box 3 of the base 1, a rotating shaft of the winding drum 2 is in transmission connection with a gear in the gear box 3, a braking wheel 6 is in transmission connection with a transmission shaft of the driving motor 4, a rotating shaft of the braking wheel 6 is in transmission connection with the gear in the gear box 3, the driving motor 4 can drive the winding drum 2 to rotate and work under the action of the gear box 3, the braking wheel 6 is located at the inner side of the braking mechanism 5, the braking mechanism 5 comprises a pull rod 51, a pressure, the lower part of the left brake arm 53 is fixedly connected with a left brake shoe 54, the left side of the left brake arm 53 is fixedly provided with an electromagnetic armature 55, the middle part of the lower end of the electromagnetic armature 55 is fixedly provided with an electromagnetic coil 56, the right end of the pull rod 51 is movably connected with a right brake arm 57, the lower part of the right brake arm 57 is fixedly connected with a right brake shoe 58 (the structure distribution of the brake mechanism 5 refers to the attached figure 3), and the accurate braking of the winch when a heavy object reaches a specified position is ensured through the action of the brake mechanism 5, therefore, the structure forms the basic structure of the existing winch. A driving gear 41 is fixedly sleeved on a transmission shaft of the driving motor 4, an internal gear 61 is fixedly connected to the end surface of the brake wheel 6 positioned on the driving motor 4, a driven gear 62 is connected between the driving gear 41 and the internal gear 61 in a transmission way (the meshing relation of the driving gear 41, the internal gear 61 and the driven gear 62 refers to figure 4), the transmission of the driving motor 4 is more stable and reliable through the meshing of the driving gear 41, the driven gear 62 and the internal gear 61, the upper tooth surface of the internal gear 61 is provided with a positive contact point 611 and a negative contact point 612, the lower tooth surface of the internal gear 61 is provided with an electromagnet 613, the lower tooth surface of the driven gear 62 is provided with a conducting strip 621, the upper tooth surface of the driven gear 62 is provided with a permanent magnet 622, and whether the driving gear 41, the internal gear 61 and the transmission gear 62 realize transmission is controlled by whether the driving gear 41 is electrified or not and whether the conducting strip 621 is in contact with the positive contact point 611.

The transmission mode of the driving gear 41, the internal gear 61 and the driven gear 62 is realized as follows: when the brake wheel 6 needs to be started after braking, the electromagnetic coil 56 is powered off, the brake mechanism 5 cancels braking on the brake wheel 6, at the moment, the driving gear 41 is powered on, the conducting strip 621 on the driven gear 62 contacts the positive contact point 611 and the negative contact point 612 on the internal gear 61, the permanent magnet 622 and the electromagnet 613 which obtains magnetism are attracted to each other, transmission between the driving gear 41 and the internal gear 61 and between the driving gear 62 is achieved, when the brake wheel 6 brakes, the driving gear 41 is powered off, the permanent magnet 622 cannot act on the electromagnet 613, at the moment, the driving gear 41 drives the driven gear 62 to rotate around the internal gear 61, and damage to a transmission shaft of a motor caused by huge torque generated when the brake wheel 6 brakes is.

The use method (working principle) of the invention is as follows:

firstly, one end of a steel wire rope on a winding drum 2 is hung on an object to be hoisted, secondly, a driving motor 4 is started, the driving motor 4 drives a driven gear 62 to rotate through a driving gear 41, a conducting strip 621 on the driven gear 62 is contacted with a positive contact point 611 and a negative contact point 612 at the meshing part of an internal gear 61, an electromagnet 613 on the internal gear 61 is electrified to be magnetized, the electromagnet 613 electrified to be magnetized is mutually attracted with a permanent magnet 622 on the driven gear 62, the driven gear 62 drives the internal gear 61 to rotate through the action of magnetic force and simultaneously drives a brake wheel 6 to rotate, the brake wheel 6 drives the winding drum 2 to rotate through the driving of a gear box 3 and winds up the steel wire rope to lift a heavy object, when the heavy object reaches a specified position, the electromagnetic coil 56 is controlled to be electrified to enable the electromagnetic armature 55 to be magnetized, the brake arm 53 is controlled to drive a left brake shoe 54 and a right brake shoe 58 to brake the brake wheel, at the moment, the brake wheel 6 is locked and fixed, the driving motor 4 continues to drive the driving gear 41 to rotate and simultaneously drives the driven gear 62 to rotate around the internal gear 61, when the heavy object is taken down and needs to operate again, the electromagnetic coil 56 is controlled to be powered off, the brake mechanism 5 cancels the brake on the brake wheel 6 through the action of the pressure spring 52, the driving gear 41 is powered on at the moment, so that the driving gear 41 continues to drive the driven gear 62 and the internal gear 61 to rotate, and meanwhile, the gear box 3 drives the winding drum 2 to continue to work.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a water conservancy is hoist engine for boats and ships, includes driving motor (4), arrestment mechanism (5) and braked wheel (6), its characterized in that: the fixed driving gear (41) that has cup jointed in top of driving motor (4) transmission shaft, the lower part fixed mounting that electromagnetism armature (55) had solenoid (56) on arrestment mechanism (5), brake wheel (6) are located terminal surface fixedly connected with internal gear (61) of driving motor (4) one side, the transmission is connected with driven gear (62) between driving gear (41) and internal gear (61), the last flank of tooth of internal gear (61) is equipped with and just connects contact (611) and negative contact point (612), the lower flank of tooth of internal gear (61) is equipped with electro-magnet (613), the lower flank of tooth of driven gear (62) is equipped with conducting strip (621), the last flank of tooth of driven gear (62) is equipped with permanent magnet (622), transmission between driven gear (62) and internal gear (61) is by conducting strip (621), permanent magnet (622), A positive contact point (611), a negative contact point (612) and an electromagnet (613).

2. The hoisting winch for the water conservancy ship according to claim 1, wherein: the electromagnetic coil (56) is powered on and the driving gear (41) is powered off.

3. The hoisting winch for the water conservancy ship according to claim 1, wherein: the electromagnet (613) on the internal gear (61) is N-pole, and the permanent magnet (622) on the driven gear (62) is S-pole and is magnetically attracted with the electromagnet (613).

4. The hoisting winch for the water conservancy ship according to claim 1, wherein: and a conducting strip (621) at the meshing part of the driven gear (62) and the internal gear (61) covers the positive contact point (611) and the negative contact point (612), and the top surfaces of the positive contact point (611) and the negative contact point (612) are positioned on the same horizontal plane.