CN217377129U

CN217377129U - Transmission mechanism of winch

Info

Publication number: CN217377129U
Application number: CN202221554595.1U
Authority: CN
Inventors: 臧军
Original assignee: Nantong Kaiye Machinery Co ltd
Current assignee: Nantong Kaiye Machinery Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-09-06
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses a transmission mechanism of a winch, which comprises a box body, a motor and a transmission part for multi-stage transmission, the transmission part comprises an input shaft arranged on one side of the box body, a first straight gear arranged at one end of the first output shaft, a second straight gear arranged on the axial surface of the first straight gear, a first rotating shaft arranged at the axial center of the second straight gear, a third straight gear arranged at one end of the first rotating shaft, a fourth straight gear arranged on the axial surface of the third straight gear, a belt wheel part for enabling transmission to be more stable, and a limiting part for limiting the rotating speed, the input shaft is rotationally connected with the inner wall of the box body, the first bevel gear is in key connection with the input shaft, and the first bevel gear is in matched connection with the second bevel gear, so that the problems that most of the conventional devices are insufficient in flexibility, too large in vibration, low in transmission efficiency and incapable of braking well and timely in a descending process are solved.

Description

Transmission mechanism of winch

Technical Field

The utility model belongs to the technical field of the hoist engine, especially, relate to a drive mechanism of hoist engine.

Background

The hoist engine is also called the winch, it is a light and small-scale hoisting equipment to use the reel to twine wire rope or link chain in order to promote or draw the heavy object, can hoist vertically, drag the heavy object horizontally or obliquely, mainly use the electronic hoist engine now, can use alone, can also be regarded as the component part in machinery such as hoisting, building the road and mine hoisting, the problem that prior art exists is: most of the prior devices have insufficient flexibility, overlarge vibration, low transmission efficiency and can not brake well in time in the descending process.

SUMMERY OF THE UTILITY MODEL

The problem that exists to prior art, the utility model provides a drive mechanism of hoist engine possesses good flexibility, can alleviate impact, absorbed vibration, appears skidding between area and band pulley when transshipping, though skid and make the transmission inefficacy, but can prevent to damage other parts, the advantage of high just timely braking of transmission efficiency has solved the flexible not enough of current most devices, shakes too big, the not high and not fine problem of timely braking of transmission efficiency at the in-process that descends.

The utility model discloses a realize like this, a drive mechanism of hoist engine, include box, motor and be used for multi-stage drive's drive disk assembly, drive disk assembly is including the input shaft of locating box one side, locate the first spur gear of first output shaft one end, locate the second spur gear of first spur gear axostylus axostyle, locate the first pivot of second spur gear axle center department, locate the third spur gear of first pivot one end, locate the fourth spur gear of third spur gear axostylus axostyle, be used for making the more steady band pulley part of transmission, be used for limiting the spacing part of rotational speed, the input shaft rotates with the box inner wall to be connected, first spur gear and input shaft keyed joint, first spur gear is connected with the cooperation of second spur gear.

As the utility model discloses preferred, the belt wheel part is including locating the second runner of input shaft one end, locating the first output shaft of motor output end, locating the first runner of first output shaft one end, locating the belt of first runner and second runner axial plane, first runner and second runner pass through surface friction with the belt and are connected.

As the utility model discloses it is preferred, spacing part is including the second output shaft of locating fourth straight-teeth gear center department, locate the fourth straight-teeth gear of second output shaft one end, locate the ratchet of fourth straight-teeth gear side end face, locate the second pivot of ratchet below, locate the stopper of second pivot one end, ratchet and fourth straight-teeth gear terminal surface fixed connection, the stopper rotates with the second pivot to be connected.

As is preferred in the present invention, the diameter of the first runner is larger than the diameter of the second runner.

As the utility model discloses it is preferred, first straight-teeth gear diameter is greater than second straight-teeth gear diameter, third straight-teeth gear diameter is greater than fourth straight-teeth gear diameter.

As the utility model discloses it is preferred, the stopper left end is equipped with left shoulder point, the stopper right-hand member is equipped with right shoulder point, be equipped with the wind spring in the middle of the second pivot, left side shoulder point is circular arc transition shape, right side shoulder point is tip shape, the ratchet outward flange is equipped with the ratchet, ratchet tooth root department angle is 30, the stopper focus is on second pivot right side.

As the utility model discloses preferred, second output shaft one end is equipped with the rotary drum, be equipped with the cable groove on the rotary drum.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up first runner and second runner and be connected through surface friction with the belt for from motor output's power more steady, the belt has good flexibility, can alleviate impact, absorbed vibration, appears skidding between belt and runner when transshipping, skids and though make the transmission inefficacy, nevertheless can prevent to damage other parts.

2. The utility model discloses a set up ratchet and fourth straight-teeth gear terminal surface fixed connection, the stopper rotates with the second pivot to be connected, can effectively restrict ratchet antiport's rotational speed.

3. The utility model discloses a diameter that sets up first runner is greater than the diameter of second runner, increases the angular velocity on the second runner, and motor output's power still less under the same power.

4. The utility model discloses a set up first straight-teeth gear diameter and be greater than second straight-teeth gear diameter, third straight-teeth gear diameter is greater than fourth straight-teeth gear diameter, can carry out the second grade with the rotational speed of following the input shaft input and enlarge, increase device's efficiency.

5. The utility model discloses a set up left shoulder point and appear for the circular arc transition, right shoulder point is the tip shape, and the ratchet outward flange is equipped with the ratchet, and ratchet tooth root department angle is for controlling, guarantees right shoulder point when inserting ratchet tooth root department, and the tooth root just passes through the second pivot to the pressure of right shoulder point to this plays braking effect.

6. The utility model discloses a set up the cable rope groove and can reduce the hawser winding.

Drawings

Fig. 1 is a schematic view of an overall axial-side structure provided by an embodiment of the present invention;

fig. 2 is a schematic view of a transmission component provided by an embodiment of the present invention;

fig. 3 is a schematic view of a ratchet structure provided by the embodiment of the present invention.

In the figure: 1. a motor; 2. an end cap; 3. a box body; 4. a first output shaft; 5. a first runner; 6. a second runner; 7. a belt; 8. an input shaft; 9. a second output shaft; 10. a drum; 11. a cable groove; 12. a first straight gear; 13. a second spur gear; 14. a third spur gear; 15. a fourth spur gear; 16. a first rotating shaft; 17. a second rotating shaft; 18. a ratchet wheel; 19. a ratchet; 20. a limiting block; 21. a left shoulder point; 22. a right shoulder point; 23. a coil spring.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the embodiment of the utility model provides a pair of drive mechanism of hoist engine, include box 3, motor 1 and be used for multi-stage drive's drive disk assembly, drive disk assembly is including the input shaft 8 of locating box 3 one side, locate first spur gear 12 of 4 one ends of first output shaft, locate the second spur gear 13 of 12 axial planes of first spur gear, locate the first pivot 16 of 13 axial centers of second spur gear, locate the third spur gear 14 of 16 one ends of first pivot, locate the fourth spur gear 15 of 14 axial planes of third spur gear, be used for making the more steady band pulley part of transmission, be used for limiting the spacing part of rotational speed, input shaft 8 rotates with 3 inner walls of box to be connected, first spur gear 12 is connected with input shaft 8 key-type, first spur gear 12 is connected with the gear cooperation of second spur gear 13 gear.

Referring to fig. 2, the belt wheel assembly includes a second rotating wheel 6 disposed at one end of an input shaft 8, a first output shaft 4 disposed at an output end of the motor 1, a first rotating wheel 5 disposed at one end of the first output shaft 4, and a belt 7 disposed on axial surfaces of the first rotating wheel 5 and the second rotating wheel 6, and the first rotating wheel 5 and the second rotating wheel 6 are connected to the belt 7 through surface friction.

Adopt above-mentioned scheme: through setting up first runner 5 and second runner 6 and belt 7 and being connected through surperficial friction for the power of following motor 1 output is more steady, and belt 7 has good flexibility, can alleviate impact, absorption vibration, appears skidding between belt 7 and the runner when transshipping, skids and makes the transmission inefficacy, but can prevent to damage other parts.

Referring to fig. 3, the limiting component includes a second output shaft 9 disposed at the center of the fourth spur gear 15, a fourth spur gear 15 disposed at one end of the second output shaft 9, a ratchet 18 disposed on a side end surface of the fourth spur gear 15, a second rotating shaft 17 disposed below the ratchet 18, and a limiting block 20 disposed at one end of the second rotating shaft 17, where the ratchet 18 is fixedly connected to the end surface of the fourth spur gear 15, and the limiting block 20 is rotatably connected to the second rotating shaft 17.

Adopt above-mentioned scheme: through setting up ratchet 18 and fourth spur gear 15 terminal surface fixed connection, stopper 20 rotates with second pivot 17 to be connected, can effectively restrict ratchet 18 reverse rotation's rotational speed.

With reference to fig. 2, the diameter of the first wheel 5 is greater than the diameter of the second wheel 6.

Adopt above-mentioned scheme: by setting the diameter of the first rotor 5 to be larger than the diameter of the second rotor 6, the angular velocity on the second rotor 6 is increased and less power is output by the motor 1 for the same power.

Referring to fig. 2, the first spur gear 12 has a diameter larger than that of the second spur gear 13, and the third spur gear 14 has a diameter larger than that of the fourth spur gear 15.

Adopt above-mentioned scheme: by setting the diameter of the first spur gear 12 to be larger than that of the second spur gear 13 and the diameter of the third spur gear 14 to be larger than that of the fourth spur gear 15, the rotation speed input from the input shaft 8 can be amplified in two stages, and the efficiency of the device is increased.

Referring to fig. 3, a left shoulder point 21 is arranged at the left end of the limiting block 20, a right shoulder point 22 is arranged at the right end of the limiting block 20, a coil spring 23 is arranged in the middle of the second rotating shaft 17, the left shoulder point 21 is in a circular arc transition shape, the right shoulder point 22 is in a tip shape, a ratchet 19 is arranged on the outer edge of the ratchet wheel 18, the angle of the tooth root of the ratchet 19 is about 30 degrees, and the center of gravity of the limiting block 20 is located on the right side of the second rotating shaft 17.

The scheme is adopted: through setting up left shoulder point 21 and being circular arc transition shape, right shoulder point 22 is most advanced shape, and ratchet 19 is equipped with to ratchet 18 outward flange, and 19 tooth roots of ratchet department angle are 30, guarantee that right shoulder point 22 when inserting 19 tooth roots of ratchet department, the pressure of tooth root to right shoulder point 22 just passes through second pivot 17 to this plays braking effect.

Referring to fig. 1, one end of the second output shaft 9 is provided with a rotary drum 10, and the rotary drum 10 is provided with a cable groove 11.

Adopt above-mentioned scheme: the cable winding can be reduced by providing the cable groove 11.

The utility model discloses a theory of operation:

when in use, the motor 1 is started, during the ascending process, the motor 1 drives the first output shaft 4, the first output shaft 4 drives the belt 7 to rotate by means of friction, the belt 7 drives the second rotating wheel 6 to rotate, because the diameter of the second rotating wheel 6 is smaller than that of the first rotating wheel 5, the rotating speed output by the motor 1 is amplified, the second rotating wheel 6 drives the input shaft 8 to rotate, the input shaft 8 drives the first straight gear 12 to rotate, the first straight gear 12 drives the second straight gear 13 to rotate, the second straight gear 13 drives the first rotating shaft 16 to rotate, the first rotating shaft 16 drives the third straight gear 14 to rotate, the third straight gear 14 drives the fourth straight gear 15 to rotate, the first straight gear 12 drives the ratchet 18 to rotate anticlockwise, at the moment, the ratchet 19 is in contact with the left shoulder point 21, but the ratchet 20 cannot rotate rightwards due to the effect of the coil spring 23, the heavy object can be normally lifted, during the descending process, the reverse operation motor 1, ratchet 18 clockwise rotates this moment, ratchet 19 can strike left shoulder point 21, during the low-speed rotation, the striking is less, under the effect of wind spring 23, stopper 20 can not want the left turn, but when the rotational speed was too fast, ratchet 19 was great to the striking of left shoulder point 21, lead to stopper 20 rotatory left, right shoulder point 22 rises, the card is in ratchet 19 tooth root department, because ratchet 19 tooth root department angle is about 30, guarantee right shoulder point 22 when inserting ratchet 19 tooth root department, the tooth root just passes through second pivot 17 to the pressure of right shoulder point 22, the rotation stops this moment, if resume rotatory, only need reverse operation motor 1 restart again.

In summary, the following steps: the transmission mechanism of the winch solves the problems that most of the conventional devices are insufficient in flexibility, overlarge in vibration, low in transmission efficiency and incapable of well braking in a descending process through a first output shaft 4, a first rotating wheel 5, a second rotating wheel 6, a belt 7, an input shaft 8, a second output shaft 9, a rotating drum 10, a cable groove 11, a first straight gear 12, a second straight gear 13, a third straight gear 14, a fourth straight gear 15, a first rotating shaft 16, a second rotating shaft 17, a ratchet wheel 18, a ratchet 19, a limiting block 20, a left shoulder point 21, a right shoulder point 22 and a coil spring 23.

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 drive mechanism of hoist engine, includes box (3), motor (1) and is used for multi-stage drive's drive disk assembly, its characterized in that: the transmission part comprises an input shaft (8) arranged on one side of the box body (3), a first straight gear (12) arranged at one end of a first output shaft (4), a second straight gear (13) arranged on the axial surface of the first straight gear (12), a first rotating shaft (16) arranged at the axial center of the second straight gear (13), a third straight gear (14) arranged at one end of the first rotating shaft (16), a fourth straight gear (15) arranged on the axial surface of the third straight gear (14), a belt wheel part used for enabling transmission to be more stable and a limiting part used for limiting the rotating speed, wherein the input shaft (8) is rotationally connected with the inner wall of the box body (3), the first straight gear (12) is in key connection with the input shaft (8), and the first straight gear (12) is in gear fit connection with the second straight gear (13).

2. A hoist transmission mechanism according to claim 1, wherein: the belt wheel component comprises a second rotating wheel (6) arranged at one end of an input shaft (8), a first output shaft (4) arranged at the output end of a motor (1), a first rotating wheel (5) arranged at one end of the first output shaft (4), and a belt (7) arranged on the axial surfaces of the first rotating wheel (5) and the second rotating wheel (6), wherein the first rotating wheel (5) and the second rotating wheel (6) are connected with the belt (7) through surface friction.

3. A hoist transmission mechanism according to claim 1, wherein: the limiting component comprises a second output shaft (9) arranged at the center of a fourth straight gear (15), the fourth straight gear (15) arranged at one end of the second output shaft (9), a ratchet wheel (18) arranged on one side end face of the fourth straight gear (15), a second rotating shaft (17) arranged below the ratchet wheel (18), and a limiting block (20) arranged at one end of the second rotating shaft (17), wherein the ratchet wheel (18) is fixedly connected with the end face of the fourth straight gear (15), and the limiting block (20) is rotatably connected with the second rotating shaft (17).

4. A hoist transmission mechanism according to claim 2, wherein: the diameter of the first rotating wheel (5) is larger than that of the second rotating wheel (6).

5. A hoist transmission mechanism according to claim 1, wherein: the diameter of the first straight gear (12) is larger than that of the second straight gear (13), and the diameter of the third straight gear (14) is larger than that of the fourth straight gear (15).

6. A hoist transmission mechanism according to claim 3, wherein: the left end of the limiting block (20) is provided with a left shoulder point (21), the right end of the limiting block (20) is provided with a right shoulder point (22), a coil spring (23) is arranged in the middle of the second rotating shaft (17), the left shoulder point (21) is in a circular arc transition shape, the right shoulder point (22) is in a tip shape, the outer edge of the ratchet wheel (18) is provided with a ratchet (19), the angle of the tooth root of the ratchet (19) is 30 degrees, and the gravity center of the limiting block (20) is located on the right side of the second rotating shaft (17).

7. A hoist transmission mechanism according to claim 3, wherein: one end of the second output shaft (9) is provided with a rotary drum (10), and the rotary drum (10) is provided with a cable groove (11).