CN212429566U

CN212429566U - Marine jackscrew fixed coupling

Info

Publication number: CN212429566U
Application number: CN201922440295.5U
Authority: CN
Inventors: 鞠舒琴; 郑友权; 徐成
Original assignee: Yangzhou Zhongzhou Power Co ltd
Current assignee: Yangzhou Zhongzhou Power Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2021-01-29
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a fixed shaft coupling of marine jackscrew, including first adapter sleeve, second adapter sleeve, input shaft and output shaft, first adapter sleeve is inlayed with the one end of second adapter sleeve and is had ball bearing, the input shaft runs through ball bearing and welds and have first gear, the outer wall swing joint of first gear has the second gear, the output shaft runs through ball bearing and welds and have the second gear, the surface of first adapter sleeve and second adapter sleeve all fixed mounting have the connecting rod. The utility model discloses a be provided with ball bearing and can make the output shaft can not follow and rotate together at pivoted in-process shaft coupling, can constitute ratchet structure through being provided with first gear, second gear, ratchet groove, second spring and ratchet, make the input shaft can not continue to exert power take off for the output shaft under the dead condition of output shaft card, lead to the more serious of shaft coupling inside damage, also can not lead to the motor to burn out.

Description

Marine jackscrew fixed coupling

Technical Field

The utility model relates to a shaft coupling technical field specifically is fixed shaft coupling of marine jackscrew.

Background

The coupling is also called coupling. Mechanical parts for firmly coupling the driving shaft and the driven shaft in different mechanisms to rotate together and transmitting motion and torque. Sometimes also to couple the shaft with other parts (e.g. gears, pulleys, etc.). Usually, the two halves are combined and fastened to the two shaft ends by a key or a tight fit, and then the two halves are connected in a certain way.

The existing coupler generally does not have the function of automatic stalling when the coupler is clamped, power output is easily applied to the clamped output shaft continuously, the damage to the inside of the coupler is serious, and a motor is easily burnt, so that the marine jackscrew fixed coupler is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixed shaft coupling of marine jackscrew to the impeller of the present mixed flow pump who proposes in solving above-mentioned background art adopts whole casting to form and needs whole change when leading to the maintenance to change, and extravagant serious, and the mixed flow pump if the card is dead at the during operation, and the power take off always untimely damage degree in the easy deepening pump, and leads to the problem that the motor burns out easily.

In order to achieve the above object, the utility model provides a following technical scheme: including first adapter sleeve, second adapter sleeve, input shaft and output shaft, first adapter sleeve is inlayed with the one end of second adapter sleeve has ball bearing, the input shaft runs through ball bearing welding and has first gear, the outer wall swing joint of first gear has the second gear, the output shaft runs through ball bearing welding and has the second gear, the surface of first adapter sleeve and second adapter sleeve all fixed mounting has the connecting rod, the outer surface cover of connecting rod is equipped with the second spring, the top fixed mounting of second spring has the fixed block, the inside of fixed block has seted up the pole storehouse, the outer wall of fixed block installs the rubber pad, the junction of first adapter sleeve and second adapter sleeve is connected with connecting bolt, the surface fixed mounting of first gear has the second spring, the one end fixed welding of second spring has the ratchet, through bearing swing joint at the surface of first gear ratchet, the outer surface of the first gear is provided with a second spring and a ratchet, and the inner wall of the second gear is provided with a ratchet groove.

Preferably, the first connecting sleeve and the input shaft form a rotating structure through a ball bearing, and the second connecting sleeve and the output shaft form a rotating structure through a ball bearing.

Preferably, the first spring is provided with 4 groups, and two ends of the first spring are respectively welded on the first connecting sleeve, the second connecting sleeve and the fixing block.

Preferably, the inside in pole storehouse has been seted up the spout, the top of connecting rod is in the inside of spout, the second spring cover establish with the surface of connecting rod, second spring and pole storehouse are provided with 4 groups, connecting rod, second spring and pole storehouse constitution sliding construction.

Preferably, the output end of the first gear is connected with a second gear, the output end of the second gear is connected with an output shaft, and the first gear, the second gear and the output shaft form a rotating structure.

Preferably, the second gear is sleeved with the first gear, the second gear and the first gear are concentric circles, the ratchet grooves are provided with 8 groups, and the ratchet grooves and the ratchet teeth are in the shape of an oblique triangle.

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

1. can make the output shaft can not follow and rotate together at pivoted in-process shaft coupling through being provided with ball bearing, can constitute the ratchet structure through being provided with first gear, second gear, ratchet groove, second spring and ratchet, make the dead circumstances of output shaft card under the input shaft can not continue to exert power take off for the output shaft, lead to more serious of shaft coupling inside damage, also can not lead to the motor to burn out.

2. Through being provided with connecting rod, first spring, pole storehouse, fixed block and rubber pad constitution shock-absorbing structure, can effectual fixed mounting on marine jackscrew, make it can effectually unload external force when receiving vibrations, prevent to destroy the inside of shaft coupling, make the life-span of its shaft coupling increase greatly, the practicality is higher.

Drawings

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

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

fig. 3 is a schematic top sectional view of the first gear and the second gear of the present invention.

In the figure: 1. a first connecting sleeve; 2. a second connecting sleeve; 3. a ball bearing; 4. an input shaft; 5. a first gear; 6. a second gear; 7. an output shaft; 8. a connecting rod; 9. a first spring; 10. a rod bin; 11. a fixed block; 12. a rubber pad; 13. a connecting bolt; 14. a ratchet groove; 15. a second spring; 16. a ratchet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-3, the present invention provides an embodiment:

marine jackscrew fixed shaft coupling, including first adapter sleeve 1, second adapter sleeve 2, input shaft 4 and output shaft 7, first adapter sleeve 1 is inlayed with ball bearing 3 with the one end of second adapter sleeve 2, and first adapter sleeve 1 passes through ball shaft

The bearing 3 and the input shaft 4 form a rotating structure, the second connecting sleeve 2 and the output shaft 7 form a rotating structure through the ball bearing 3, the structure is simple and convenient, and the shaft coupling can not rotate 4 along with the input shaft.

The input shaft 4 penetrates through the ball bearing 3 and is welded with a first gear 5, the outer wall of the first gear 5 is movably connected with a second gear 6, the output shaft 7 penetrates through the ball bearing 3 and is welded with the second gear 6, the output end of the first gear 5 is connected with the second gear 6, the output end of the second gear 6 is connected with the output shaft 7, the first gear 5, the second gear 6 and the output shaft 7 form a rotating structure, when the output shaft 7 is clamped, when the control switch SA is arranged at a running position (switched on), the KM coil is electrified, and the main contact is attracted to enable the equipment to run normally; if the motor can not rotate due to the fact that the output shaft 7 is blocked, the normally open contact of the motor is closed, the MA coil of the intermediate relay is electrified and attracted, the normally closed contact of the KA is disconnected, the KM and the KT1 are disconnected and released, and the equipment stops running. Meanwhile, the normally open contact of the KA is closed, the motor is enabled to rotate reversely, the KM controls anticlockwise rotation, the KA controls clockwise rotation, the motor starts a protection mode to rotate reversely, the first gear 5 is enabled to change the rotating direction, the rotating direction is changed due to the first gear 5, the ratchet 16 clamped in the ratchet groove 14 can also change the rotating direction along with the first gear 5, the second gear 6 cannot rotate due to the clamping of the output shaft 7, and the second spring 15 and the ratchet 16 form a telescopic elastic structure, so the ratchet 16 on the first gear 5 can be separated from the ratchet groove 14.

The outer surfaces of the first connecting sleeve 1 and the second connecting sleeve 2 are fixedly provided with connecting rods 8, the outer surface of each connecting rod 8 is sleeved with a first spring 9, the top end of each first spring 9 is fixedly provided with a fixed block 11, a rod bin 10 is arranged inside each fixed block 11, the outer wall of each fixed block 11 is provided with a

rubber pad

12, 4 groups of first springs 9 are arranged, two ends of each first spring 9 are respectively welded on the first connecting sleeve 1, the second connecting sleeve 2 and the fixed block 11, a sliding chute is arranged inside each rod bin 10, the top end of each connecting rod 8 is positioned inside each sliding chute, the outer surface of each connecting rod 8 is sleeved with each

first spring

9, 4 groups of connecting rods 8, each first spring 9 and each rod bin 10 are arranged, each connecting rod 8 and each rod bin 10 form a sliding structure, each connecting rod 8 can retract into each rod bin 10 when collision occurs, the connecting rods 8 cannot break due to collision, and the first springs 9 can release force, so that the coupling does not suffer too much damage.

The connecting part of the first connecting sleeve 1 and the second connecting sleeve 2 is connected through a connecting bolt 13, a second spring 15 is fixedly installed on the outer surface of the first gear 5, one end of the second spring 15 is fixedly welded with a ratchet 16, the ratchet 16 is movably connected to the outer surface of the first gear 5 through a bearing, a ratchet groove 14 is formed in the inner wall of the second gear 6, the first gear 5 is sleeved with the second gear 6, the second gear 6 and the first gear 5 are concentric circles, 8 groups of ratchet grooves 14 are formed, the ratchet grooves 14 and the ratchet 16 are in an oblique triangle shape, the ratchet 16 can be better clamped in the main ratchet groove 14, the ratchet grooves 14 are provided with 8 groups, and if one ratchet groove 14 is damaged, other ratchet grooves 14 can be replaced.

The working principle is as follows: when the transmission device works, the input shaft 4 drives the first gear 5, so that the ratchet 16 on the first gear 5 is clamped in the ratchet groove 14 in the second gear 6, the first gear 5 can drive the second gear 6 to rotate, and the second gear 6 is welded at one end of the output shaft 7, so that the second gear 6 can drive the output shaft 7 to rotate; when the device is operated, the spring rotates anticlockwise, the second spring 15 is in a stretching state and can overcome the acting force of the ratchet 16 on the second gear 6;

when the output shaft 7 is clamped, the motor cannot rotate due to the clamping of the output shaft 7, the motor starts a protection mode to rotate reversely, so that the rotating direction of the first gear 5 is changed, and the rotating direction of the first gear 5 is changed, so that the ratchets 16 clamped in the ratchet grooves 14 can also change the rotating direction along with the change of the first gear 5, and the ratchets 16 on the first gear 5 can be separated from the ratchet grooves 14 due to the clamping of the output shaft 7, the second gear 6 cannot rotate, and the second spring 15 and the ratchets 16 form a telescopic elastic structure, so that the motor cannot be burnt out, and the interior of the coupler cannot be further damaged;

when the coupler is accidentally collided, the connecting rod 8 retracts into the sliding groove in the rod bin 10, force can be removed through the spring, and the rubber pads 12 arranged on the 2 groups of fixing blocks 11 can also ensure that the coupler cannot be damaged too much when the coupler is collided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Marine jackscrew fixed shaft coupling, including first adapter sleeve (1), second adapter sleeve (2), input shaft (4) and output shaft (7), its characterized in that: the connecting device is characterized in that a ball bearing (3) is inlaid into one end of the first connecting sleeve (1) and one end of the second connecting sleeve (2), the input shaft (4) penetrates through the ball bearing (3) and is welded with a first gear (5), the outer wall of the first gear (5) is movably connected with a second gear (6), the output shaft (7) penetrates through the ball bearing (3) and is welded with the second gear (6), the outer surfaces of the first connecting sleeve (1) and the second connecting sleeve (2) are fixedly provided with a connecting rod (8), the outer surface of the connecting rod (8) is sleeved with a first spring (9), the top end of the first spring (9) is fixedly provided with a fixed block (11), a rod bin (10) is arranged inside the fixed block (11), the outer wall of the fixed block (11) is provided with a rubber pad (12), and the joint of the first connecting sleeve (1) and the second connecting sleeve (2) is connected with a connecting bolt, the outer surface of the first gear (5) is fixedly provided with a second spring (15), one end of the second spring (15) is fixedly welded with a ratchet (16), the ratchet (16) is movably connected to the outer surface of the first gear (5) through a bearing, the outer surface of the first gear (5) is provided with the second spring (15) and the ratchet (16), and the inner wall of the second gear (6) is provided with a ratchet groove (14).

2. The marine jackscrew fixed coupling of claim 1, wherein: the first connecting sleeve (1) and the input shaft (4) form a rotating structure through the ball bearing (3), and the second connecting sleeve (2) and the output shaft (7) form a rotating structure through the ball bearing (3).

3. The marine jackscrew fixed coupling of claim 1, wherein: the first spring (9) is provided with 4 groups, and two ends of the first spring (9) are respectively welded on the first connecting sleeve (1), the second connecting sleeve (2) and the fixing block (11).

4. The marine jackscrew fixed coupling of claim 1, wherein: the inside in pole storehouse (10) has been seted up the spout, the top of connecting rod (8) is in the inside of spout, first spring (9) cover establish with the surface of connecting rod (8), first spring (9) are provided with 4 groups with pole storehouse (10), sliding structure is constituteed with pole storehouse (10) in connecting rod (8), first spring (9).

5. The marine jackscrew fixed coupling of claim 1, wherein: the output end of the first gear (5) is connected with a second gear (6), the output end of the second gear (6) is connected with an output shaft (7), and the first gear (5), the second gear (6) and the output shaft (7) form a rotating structure.

6. The marine jackscrew fixed coupling of claim 1, wherein: the second gear (6) is sleeved with the first gear (5), the second gear (6) and the first gear (5) are concentric circles, 8 groups of ratchet grooves (14) are formed, and the ratchet grooves (14) and the ratchet teeth (16) are in the shape of an oblique triangle.