CN212559237U

CN212559237U - Gearless winding device

Info

Publication number: CN212559237U
Application number: CN202021204133.8U
Authority: CN
Inventors: 陈佛生; 蔡瑾; 周雄聪; 汪明; 陈军霖
Original assignee: Guangdong Jianghai Mechanical & Electrical Engineering Co ltd
Current assignee: Guangdong Construction Machinery Factory Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-02-19
Anticipated expiration: 2030-06-24

Abstract

The application provides gearless hoisting device includes: the device comprises a speed reducer, a bearing seat, a winding drum and a winding drum catcher; one end of the winding drum is arranged on the bearing seat, and the outer ring of the other end of the winding drum is welded with a first connecting flange plate; the reel catcher is detachably connected with the first connecting flange plate, and the reel catcher is in key connection with an output shaft of the speed reducer. The related parts of the hoisting device are designed into a welding structure, so that the manufacturing cost is reduced, the product quality is improved, the torque transmission is changed from dynamic transmission to static transmission, the transmission path and the part structure are simplified, the manufacturing cost is reduced, the use cost is reduced, the part processing workload is greatly reduced through the optimized design of the parts of the hoisting device, and the use of clamping tools is reduced.

Description

Gearless winding device

Technical Field

The utility model relates to a hoist technical field, in particular to gearless hoist device.

Background

In cranes and hydraulic hoists, the hoisting mechanism usually comprises a hoisting device for reeling or releasing a wire rope, thereby realizing the lifting of a heavy object (a gate). In the existing winding device, two types of winding devices without an open gear and with an open gear are generally available. In winches without open gears, there are usually a stub shaft configuration, a long shaft configuration and a drum coupling configuration.

The short shaft structure consists of a winding drum connecting device, a winding drum and a winding drum hub, the winding drum connecting device and the winding drum hub are basically cast, the casting cost is high, the quality is difficult to guarantee, the processing workload is large, particularly, the winding drum is of a cylindrical structure, when the size of the drum body structure is large, a special clamp is required for clamping, the construction period is long, and the cost is high.

The long shaft structure usually consists of a gear coupling disc, a winding drum hub, a winding drum shaft and parts on the shaft, and the structure has the same defects as the short shaft structure, and the gear coupling disc is added, so that oil is frequently added for maintenance in the future use process, and the use cost is increased. A series of parts on the shaft are added, the processing cost is high, and the installation workload is increased.

The structure of the winding drum coupling generally comprises a winding drum, a winding drum coupling and the like, the winding drum coupling is additionally arranged, the winding drum coupling is driven by a gear, oil is frequently added for maintenance in the future use process, the use cost is increased, and the oil is difficult to add for maintenance due to small space size; the reel coupling has a complex structure and higher purchasing cost; the hole matched with the winding drum coupler is a non-cylindrical or conical hole, and the matching hole is difficult to process.

Therefore, a gearless winding device is needed to reduce the manufacturing and using cost and meet the using requirement.

SUMMERY OF THE UTILITY MODEL

In view of the problems existing in the prior art, the utility model provides a gearless hoisting device, include: the device comprises a speed reducer, a bearing seat, a winding drum and a winding drum catcher; one end of the winding drum is arranged on the bearing seat, and the outer ring of the other end of the winding drum is welded with a first connecting flange plate; the reel catcher is detachably connected with the first connecting flange plate, and the reel catcher is in key connection with an output shaft of the speed reducer.

In some embodiments of the present invention, the reel catcher includes: the side wall of the second connecting flange plate is provided with a hinged screw hole which is coaxially arranged with a hinged bolt arranged on the first connecting flange plate; the positioning flange plate is coaxially arranged on the second connecting flange plate, and when the second connecting flange plate is connected with the first connecting flange plate, the outer wall of the positioning flange plate is abutted against the inner wall of the winding drum; and the connecting shaft sleeve is coaxially arranged on the second connecting flange plate, a key groove is formed in the inner wall of the connecting shaft sleeve, and the key groove is connected with a key on an output shaft of the speed reducer.

The utility model discloses an among some embodiments, the hinge screw is provided with a plurality ofly along the horizontal axis circumference of second flange board, and a plurality of hinge screws are equidistant and lay.

The utility model discloses an in some embodiments, the reel catcher still includes the second gusset, the one end of second gusset and the outer wall fixed connection of connecting sleeve, the outer wall fixed connection of the other end and positioning flange board.

In some embodiments of the present invention, the second rib plate is circumferentially provided with a plurality of blocks along the horizontal axis of the connecting shaft sleeve.

In some embodiments of the present invention, the winding drum includes a winding drum plate, a head shaft and a web plate, and the wall surface of the outer ring of the web plate is fixedly connected to the inner wall of the winding drum plate on the side away from the speed reducer;

one end of the end head shaft is fixedly connected with the outer wall of the web plate, and the other end of the end head shaft is movably connected with a bearing in the bearing seat.

The utility model discloses an in some embodiments, the reel still includes first gusset, the outer wall fixed connection of the one end of first gusset and web, the outer wall fixed connection of the other end and end axle.

In some embodiments of the present invention, the first rib plate is circumferentially provided with a plurality of blocks along a horizontal axis of the head shaft.

In some embodiments of the present invention, the outer wall of the reel plate is provided with a rope groove.

The utility model provides a gearless hoisting device has following beneficial effect:

1. related parts of the hoisting device are designed into welding structures, so that the manufacturing cost is reduced, and the product quality is improved.

2. The torque transmission is changed from dynamic transmission to static transmission, so that a transmission path and a part structure are simplified, and the manufacturing cost and the use cost are reduced.

3. Through the optimal design of the winch device parts, the part processing workload is greatly reduced, and the use of clamping tools is reduced.

Drawings

Fig. 1 is an assembly view of a gearless winding apparatus according to an embodiment of the present invention;

fig. 2 is a front view of a gearless winding apparatus according to an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is an overall structural view of a reel catcher of a gearless winding apparatus according to an embodiment of the present invention;

fig. 5 is a front view of a reel catcher of a gearless winding apparatus according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view taken along section B-B of FIG. 5;

fig. 7 is an overall structural view of a drum of a gearless winding apparatus according to an embodiment of the present invention;

fig. 8 is a front view of a drum of a gearless winding apparatus according to an embodiment of the present invention;

fig. 9 is a cross-sectional view taken along section C-C of fig. 8.

Wherein the figures include the following reference numerals:

11. a speed reducer; 12. a bearing seat; 1001. a reducer base; 1002. a bearing seat base; 20. a reel; 21. a reel plate; 2101. rope grooves; 22. a tip shaft; 23. a web; 24. a first rib plate; 25. a first connecting flange plate; 30. a reel catcher; 31. a second connecting flange plate; 3101. reaming a screw hole; 32. positioning the flange plate; 33. connecting the shaft sleeve; 3301. a keyway; 34. a second web.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the relevant portions of the related inventions are shown in the drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 3, the gearless winding apparatus includes: a speed reducer 11, a bearing seat 12, a reel 20, and a reel catcher 30; one end of the winding drum 20 is arranged on the bearing seat 12, and the outer ring of the other end is welded with a first connecting flange plate 25; the reel catcher 30 is detachably connected to the first connection flange plate 25, and the reel catcher 30 is connected to the output shaft key of the speed reducer 11.

The speed reducer 11 is provided on a speed reducer base 1001, and the bearing housing 12 is provided on a bearing housing base 1002.

Use the technical scheme of this embodiment, the bearing is installed on bearing frame 12 through the one end of reel 20, the other end can be dismantled with reel catcher 30 through first flange board 25 and is connected, make reel 20 and reel catcher 30 fixed connection, the output shaft key-type connection of reel catcher 30 and speed reducer 11, make at speed reducer 11 during operation, speed reducer 11 drives reel catcher 30 and rotates, reel catcher 30 passes through the moment of torsion transmission, make reel 20 rotate in step, realized becoming quiet transmission by the transmission of moving with the moment of torsion transmission, simplify transmission route and part structure, reduce use cost when reducing manufacturing cost.

Referring to fig. 4-6, the spool catcher 30 includes: the second connecting flange plate 31 has a hinge screw hole 3101 formed on a side wall of the second connecting flange plate 31, and the hinge screw hole 3101 is coaxially disposed with the hinge bolt disposed on the first connecting flange plate 25. A positioning flange plate 32 coaxially provided on the second connecting flange plate 31, wherein when the second connecting flange plate 31 is connected to the first connecting flange plate 25, the outer wall of the positioning flange plate 32 abuts against the inner wall of the drum 20; and a connecting shaft sleeve 33 coaxially arranged on the second connecting flange plate 31, wherein a key slot 3301 is arranged on the inner wall of the connecting shaft sleeve 33, and the key slot 3301 is connected with a key on the output shaft of the speed reducer 11.

This kind of structural design, keyway 3301 on the connecting sleeve 33 and the epaxial key-type connection of output of speed reducer 11, when making the output shaft of speed reducer 11 rotate, can drive second flange board 31 and rotate in step, one end through the hinge bolt that sets up on first flange board 25 passes hinge screw 3101, be connected with the nut, first flange board 25 and second flange board 31 fixed connection have been realized, and then, when second flange board 31 rotates, can drive first flange board 25 and rotate in step, when first flange board 25 and second flange board 31 fixed connection, through setting up flange board 32, make the outer wall of flange board 32 and the inner wall butt of reel 20, can improve the axiality of second flange board 31 and first flange board 25.

Wherein, each part of the reel catcher 30 is formed by welding, the material of the connecting shaft sleeve 33 is usually 45, which can be different from the material of other parts, usually Q345 or Q235, the mechanical property of the corresponding material is fully utilized, the cost is low, and the quality stability is good.

As shown in fig. 4, a plurality of hinge screw holes 3101 are circumferentially provided along the horizontal axis of the second connecting flange plate 31, and the plurality of hinge screw holes 3101 are arranged at equal intervals. Like this, a plurality of hinge screw holes 3101 that circumference set up are worn to establish respectively by a plurality of hinge bolts, can improve the joint strength of second flange plate 31 and first flange plate 25, and a plurality of hinge screw holes 3101 are equidistant and lay moreover, can improve the degree of consistency that the stress point of second flange plate 31 and first flange plate 25 distributes to when avoiding second flange plate 31 to rotate, the poor problem of transmission effect.

As shown in fig. 6, the reel catcher 30 further includes a second rib plate 34, one end of the second rib plate 34 is fixedly connected with the outer wall of the connecting sleeve 33, and the other end is fixedly connected with the outer wall of the positioning flange plate 32. Thus, the second rib plate 34 can support the connecting bearing 33, thereby improving the working stability of the connecting bearing 33.

As shown in fig. 5, four second rib plates 34 are circumferentially arranged along the horizontal axis of the connecting sleeve 33. Thus, the plurality of second rib plates 34 support the connection bearing 33 from four directions, and the stability of the connection bearing 33 during operation can be further enhanced. In other embodiments, the number of the second rib plates 34 circumferentially arranged along the horizontal axis of the connecting shaft sleeve 33 can also be set to three, five or six, etc. according to the requirement.

Referring to fig. 7-9, the winding drum 20 includes a winding drum plate 21, a head shaft 22 and a web plate 23, wherein a wall surface of an outer ring of the web plate 23 is fixedly connected to an inner wall of the winding drum plate 21 on a side away from the speed reducer 11; one end of the end head shaft 22 is fixedly connected with the outer wall of the web plate 23, and the other end is movably connected with the bearing in the bearing seat 12.

This kind of structural design adopts web 23 and reel board 21 to keep away from the inner wall fixed connection of speed reducer 11 one side, and the welding mode on web 23 is fixed to end axle 22, can reduce parts machining work load by a wide margin, has reduced the use of the clamping instrument of preparation reel 20.

Specifically, as shown in fig. 9, the winding drum 20 further includes a first rib plate 24, one end of the first rib plate 24 is fixedly connected to the outer wall of the web 23, and the other end is fixedly connected to the outer wall of the end shaft 22. Thus, the first rib plate 24 can support the head shaft 22, thereby improving the working stability of the head shaft 22.

The end shaft 22 is transited through the web 23 and the first rib plate 24, and is welded with the roll plate 21 into a whole, so that the load borne by the roll plate 21 is transmitted to the end shaft 22, and further transmitted to the bearing seat 12 through the end shaft 22. One end of the stub shaft 22 needs to be machined to conform to a mating surface with the bearing to achieve a mating assembly of the spool 20 with the bearing housing 12.

In some embodiments of the present invention, the first rib 24 is circumferentially disposed along the horizontal axis of the head shaft 22. Thus, the first rib plate 24 supports the head shaft 22 from all directions, and can further enhance the stability of the head shaft 22 during operation.

In some embodiments of the present invention, the outer wall of the winding drum 21 is provided with a rope groove 2101. This improves the order of the wound wire rope.

The above are only some embodiments of the present invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. Gearless hoisting device, its characterized in that includes:

the device comprises a speed reducer (11), a bearing seat (12), a winding drum (20) and a winding drum catcher (30);

one end of the winding drum (20) is installed on the bearing seat (12), and a first connecting flange plate (25) is welded on the outer ring of the other end of the winding drum;

reel catcher (30) with first connection flange board (25) can dismantle the connection, just reel catcher (30) with the output shaft key-type connection of speed reducer (11).

2. The device according to claim 1, characterized in that said reel catcher (30) comprises:

the connecting structure comprises a second connecting flange plate (31), wherein the side wall of the second connecting flange plate (31) is provided with a hinged screw hole (3101), and the hinged screw hole (3101) and a hinged bolt arranged on the first connecting flange plate (25) are coaxially arranged;

a positioning flange plate (32) coaxially arranged on the second connecting flange plate (31), wherein when the second connecting flange plate (31) is connected with the first connecting flange plate (25), the outer wall of the positioning flange plate (32) is abutted against the inner wall of the winding drum (20); and

the connecting shaft sleeve (33) is coaxially arranged on the second connecting flange plate (31), a key groove (3301) is formed in the inner wall of the connecting shaft sleeve (33), and the key groove (3301) is connected with a key on an output shaft of the speed reducer (11).

3. The device according to claim 2, wherein the plurality of hinge screw holes (3101) are circumferentially arranged along a horizontal axis of the second connecting flange plate (31), and the plurality of hinge screw holes (3101) are arranged at equal intervals.

4. The device according to claim 2, characterized in that the reel catcher (30) further comprises a second rib plate (34), one end of the second rib plate (34) is fixedly connected with the outer wall of the connecting sleeve (33), and the other end is fixedly connected with the outer wall of the positioning flange plate (32).

5. A device according to claim 4, characterized in that the second web (34) is circumferentially provided with a plurality of pieces along the horizontal axis of the connecting bushing (33).

6. The device according to claim 1, wherein the reel (20) comprises a reel plate (21), a head shaft (22) and a web (23), and a wall surface of an outer ring of the web (23) is fixedly connected with an inner wall of the reel plate (21) on a side far away from the speed reducer (11);

one end of the end head shaft (22) is fixedly connected with the outer wall of the web plate (23), and the other end of the end head shaft is movably connected with a bearing in the bearing seat (12).

7. The device according to claim 6, characterized in that the reel (20) further comprises a first rib plate (24), one end of the first rib plate (24) is fixedly connected with the outer wall of the web (23), and the other end is fixedly connected with the outer wall of the end head shaft (22).

8. The device according to claim 7, wherein the first rib (24) is circumferentially distributed along a horizontal axis of the head shaft (22) with a plurality of pieces.

9. The device as claimed in claim 6, wherein the reel plate (21) has a rope groove (2101) formed on the outer wall thereof.