CN221274978U

CN221274978U - Rotating device for heavy driving shaft

Info

Publication number: CN221274978U
Application number: CN202322625604.2U
Authority: CN
Inventors: 邵晨阳; 邵治远
Original assignee: Zhengzhou Yizhan Machinery Co ltd
Current assignee: Zhengzhou Yizhan Machinery Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-07-05
Anticipated expiration: 2033-09-27

Abstract

The utility model discloses a rotating device for a heavy driving shaft, which comprises a cross beam, wherein the cross beam is provided with a rotating device for installing and rotating the driving shaft, the rotating device comprises a lifting mechanism and lifting slings, the lifting mechanism is installed on the cross beam, at least one lifting sling is connected with the lifting end of the lifting mechanism, and the lifting slings clamp the driving shaft. The rotating device utilizes the lifting mechanism and the lifting appliance, not only can lift the driving shaft, but also can meet the operation requirement of rotating the driving shaft during repair welding, avoids the working steps of carrying back and forth between the check point and the placing table during the conventional repair welding operation of the driving shaft, can directly repair welding the driving shaft in situ, and greatly improves the repair welding operation efficiency.

Description

Rotating device for heavy driving shaft

Technical Field

The utility model relates to the technical field of rotating machinery, in particular to a rotating device for a heavy driving shaft.

Background

In the process of processing and maintaining a heavy-duty driving shaft, the driving shaft is inevitably required to be transported so as to meet the requirements of dynamic balance inspection, roundness measurement and the like in processing inspection, repair welding and polishing and the like in maintenance, particularly in maintenance, repair welding is usually carried out on the deformed position or the scratched position of the driving shaft so as to form machining allowance, and the driving shaft is restored to original shape through machining. When repair welding is performed, the driving shaft is required to rotate, so that each place needing repair welding can be exposed in the sight of a worker, and repair welding operation of the worker is facilitated.

Because the heavy driving shaft is larger, the heavy driving shaft cannot be directly machined on a machine tool, in the prior art, the driving shaft of a check point is generally moved to a fixed point placing table through a crane and a clamp, and then the original check point is lifted again after repair welding is finished, the operation mode is carried back and forth, the operation is troublesome, time and labor are consumed, high-efficiency operation is not facilitated, and therefore a rotating device is required to be used for lifting and freely rotating the driving shaft so as to facilitate the on-site smooth operation of repair welding work and improve the operation efficiency.

Disclosure of utility model

The utility model aims to provide a rotating device for a heavy driving shaft, which solves the problems that the welding of the driving shaft is troublesome, time-consuming and labor-consuming and is unfavorable for efficient operation due to the lack of the rotating device which can lift and freely rotate the driving shaft.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The utility model provides a rotary device for heavy drive shaft, includes the crossbeam, be provided with the rotary device who is used for installing and rotate the drive shaft on the crossbeam, rotary device includes elevating system and hoist, elevating system installs on the crossbeam, at least one hoist with elevating system's lift end is connected, hoist embraces the clamp the drive shaft.

The further technical scheme is as follows: the lifting appliance comprises a left clamp, a right clamp, a connecting rod and rollers, wherein one ends of the connecting rods are rotationally connected, the left clamp and the right clamp are alternately arranged and rotationally connected, one ends of the left clamp and one ends of the right clamp are rotationally connected with the other ends of the two connecting rods respectively, the other ends of the left clamp and the other ends of the right clamp jointly form a clamping cavity for the driving shaft, the rollers are rotationally arranged on the inner side face of the clamping cavity, and the rollers abut against the outer peripheral face of the driving shaft.

The further technical scheme is as follows: the left clamp and the right clamp are both arc-shaped in the part for forming the holding and clamping cavity.

The further technical scheme is as follows: the left clamp is rotatably provided with a locking rod, the locking rod is provided with a plurality of clamping grooves, and the clamping grooves are matched with the rotating shafts on the end parts of the right clamp.

The further technical scheme is as follows: the rotating joint of the connecting rod is provided with a lifting ring connected with the lifting end of the lifting mechanism.

The further technical scheme is as follows: the lifting mechanism comprises a motor, a transverse shaft and a winding wheel, wherein the transverse shaft and the winding wheel are rotatably installed on the transverse beam, the motor on the transverse beam drives the two winding wheels to rotate through the transverse shaft, and the winding wheel is connected with a lifting part of the lifting appliance through a steel wire rope.

The further technical scheme is as follows: the lower surface of crossbeam sets up stop gear, stop gear includes limiting plate and double-threaded rod, limiting plate symmetry set up and its one end pass through T type spout and T type slide structure with crossbeam sliding connection, double-threaded rod rotates to be installed on the otic placode of crossbeam, two the limiting plate respectively with two sections screw threads of double-threaded rod carry out threaded connection.

The further technical scheme is as follows: the inner side of the limiting plate is provided with an arc-shaped part matched with the driving shaft.

Compared with the prior art, the utility model has at least one of the following beneficial effects:

The utility model provides a rotating device for a heavy driving shaft, which utilizes a lifting mechanism and a lifting appliance, not only can lift the driving shaft, but also can meet the operation requirement of rotating the driving shaft during repair welding, avoids the working step of carrying back and forth between a check point and a placing table during the traditional driving shaft repair welding operation, can directly carry out repair welding operation on the driving shaft in situ, and greatly improves the repair welding operation efficiency.

The lifting appliance of the driving shaft is simple in structure and not easy to damage, the lifting appliance can be suitable for transferring a heavier and larger driving shaft (most cylindrical workpieces), the purpose of clamping the driving shaft is achieved by completely depending on the weight of the driving shaft when the lifting appliance lifts, the driving shaft is clamped more tightly, a clamping cavity formed between the left clamp and the right clamp plays a role of holding the driving shaft by a pocket, the clamping is stable, and the clamping operation of the clamp on the driving shaft is convenient, fast, safe and stable.

Drawings

Fig. 1 is a schematic structural view of a rotary device for a heavy-duty drive shaft according to the present utility model.

Fig. 2 is a schematic structural view of the spreader of fig. 1 according to the present utility model.

Fig. 3 is a schematic view of another view of the spreader of fig. 1 according to the present utility model.

Fig. 4 is a schematic view of the structure of the locking lever of fig. 1 according to the present utility model.

Reference numerals: 1. a cross beam; 2. a drive shaft; 3. a rotating device; 4. ear plates; 5. a lifting mechanism; 6. a lifting appliance; 7. a left clamp; 8. a right clamp; 9. a connecting rod; 10. a roller; 11. a wire rope; 12. a locking lever; 13. a clamping groove; 14. a pull ring is lifted; 15. a motor; 16. a horizontal axis; 17. a winding wheel; 18. a limiting mechanism; 19. a limiting plate; 20. a double threaded rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiment one:

In this embodiment, as shown in fig. 1, 2, 3 and 4, a rotating device for a heavy driving shaft is provided on a beam 1, the rotating device 3 for installing and rotating the driving shaft 2 is provided on the beam 1, the rotating device 3 includes a lifting mechanism 5 and a lifting appliance 6, the lifting mechanism 5 is installed on the beam 1, at least one lifting appliance 6 is connected with the lifting end of the lifting mechanism 5, and the lifting appliance 6 embraces and clamps the driving shaft 2.

The lifting mechanism 5 drives the lifting appliance 6 to move up and down on the cross beam 1, the lifting appliance 6 embraces and clamps the smooth surface part of the driving shaft 2, and then the driving shaft 2 is lifted, on one hand, the driving shaft 2 is lifted to reach a proper processing position, and on the other hand, the suspended driving shaft 2 can rotate in the lifting appliance 6, so that the repair welding requirement is met.

Preferably, the lifting appliance 6 comprises a left clamp 7, a right clamp 8, a connecting rod 9 and a roller 10, one ends of the two connecting rods 9 are rotationally connected, the left clamp 7 and the right clamp 8 are crosswise arranged and rotationally connected, one ends of the left clamp 7 and the right clamp 8 are respectively rotationally connected with the other ends of the two connecting rods 9, the other ends of the left clamp 7 and the other ends of the right clamp 8 jointly form a holding and clamping cavity for the driving shaft 2, the plurality of rollers 10 are rotationally arranged on the inner side surface of the holding and clamping cavity, and the roller 10 abuts against the outer circumferential surface of the driving shaft 2.

This hoist 6 simple structure, it is not fragile, can be applicable to and promote heavier great drive shaft 2, when lifting by crane big drive shaft 2, rely on the weight of drive shaft 2 self to realize pressing from both sides tight purpose completely, the heavier centre gripping of drive shaft 2 is tighter more, the embracing that forms between left pincers 7 and the right pincers 8 presss from both sides the chamber, plays the effect that the drive shaft 2 was embraced to the pocket, the centre gripping is stable, this anchor clamps work convenient and fast to cylindrical drive shaft 2, safety and stability. The roller 9 can rotate the driving shaft 2 in the clamp when the clamp clamps the driving shaft 2, so that other operations such as repair welding can be conveniently performed.

Preferably, the portions of the left and right pincers 7 and 8 for forming the holding and clamping cavity are each provided in an arc shape.

Used for holding the driving shaft 2 and better clamping the driving shaft 2.

Preferably, the left clamp 7 is rotatably provided with a locking rod 12, the locking rod 12 is provided with a plurality of clamping grooves 13, and the clamping grooves 13 are matched with the rotating shafts on the end parts of the right clamp 8.

The locking rod 12 can lock the clamping fixture during clamping, and prevent the clamping fixture 2 from being opened by mistake due to misoperation or equipment failure, and the driving shaft 2 from falling down to be damaged.

Preferably, the rotary connection of the connecting rod 9 is provided with a lifting ring 14 connected with the lifting end of the lifting mechanism 5.

Preferably, the lifting mechanism 5 comprises a motor 15, a transverse shaft 16 and winding wheels 17, the transverse shaft 16 and the winding wheels 17 are rotatably arranged on the transverse beam 1, the motor 15 on the transverse beam 1 drives the two winding wheels 17 to rotate through the transverse shaft 16, and the winding wheels 17 are connected with the lifting part of the lifting appliance 6 through the steel wire rope 11.

The working process of the utility model is as follows: the motor 15 of the lifting mechanism 5 rotates to put down the lifting appliance 6 firstly, then under the action of self gravity, the lifting appliance continues to fall under the action of the driving shaft 2, and meanwhile, the driving shaft 2 opens the left clamp 7 and the right clamp 8 of the lifting appliance 6 outwards until the driving shaft 2 is held, and attention is paid to: when the left pliers 7 and the right pliers 8 cannot be opened outwards naturally, the lifting device 6 can be lifted outwards through manual assistance, the lifting mechanism 5 pulls the interconnection part of the two connecting rods 9 through the steel wire rope 11, namely, the driving shaft 2 is clamped, then the driving shaft 2 is moved to a proper height and then stops lifting, the lifting device 6 in clamping can be locked by using the locking rod 12, and the lifting device 6 is opened by mistake due to misoperation or equipment failure and the like, so that the driving shaft 2 falls and is damaged. At this time, maintenance work, such as repair welding, can be performed on the driving shaft 2, and when the driving shaft 2 needs to be rotated, the driving shaft is easily rotated under the support of the roller 10.

Note that: the hoisting operation of the driving shaft 2 with the consistent diameters at the two ends is described above; when facing the driving shaft 2 with inconsistent diameters, in order to ensure the axis of the driving shaft 2 to be horizontal during lifting, the lifting mechanism 5 can be divided into two motors to drive the two winding wheels 17 respectively, and the height of the lifting appliance 6 is properly adjusted to ensure the axis of the driving shaft 2 to be horizontal.

Embodiment two:

On the basis of the above embodiment, the driving shaft 2 can be limited by using the limiting mechanism 18 arranged on the lower surface of the cross beam 1 in this embodiment, specifically, the double threaded rod 20 on the rotating ear plate 4 drives the two limiting plates 19 to block the driving shaft 2 from two sides, so as to limit the driving shaft 2 from shaking, and better repair welding can be performed.

Preferably, the inner side of the limiting plate 19 is provided with an arc-shaped part adapted to the driving shaft 2.

The arc-shaped part is matched with the driving shaft 2, and the clamping is stable.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A rotary device for a heavy duty drive shaft, characterized by: including crossbeam (1), be provided with on crossbeam (1) and be used for installing and rotating rotary device (3) of drive shaft (2), rotary device (3) include elevating system (5) and hoist (6), fall mechanism (5) are installed on crossbeam (1), at least one hoist (6) with the lift end of elevating system (5) is connected, hoist (6) are embraced and are pressed from both sides drive shaft (2).

2. The rotating device for a heavy-duty drive shaft according to claim 1, characterized in that: the lifting appliance (6) comprises a left clamp (7), a right clamp (8), a connecting rod (9) and a roller (10), wherein one ends of the connecting rods (9) are rotationally connected, the left clamp (7) and the right clamp (8) are alternately arranged and rotationally connected, one end of the left clamp (7) and one end of the right clamp (8) are rotationally connected with two other ends of the connecting rods (9) respectively, the other ends of the left clamp (7) and the other ends of the right clamp (8) jointly form a clamping cavity for the driving shaft (2), the rollers (10) are rotationally arranged on the inner side surface of the clamping cavity, and the roller (10) abuts against the outer circumferential surface of the driving shaft (2).

3. The rotating device for a heavy-duty drive shaft according to claim 2, characterized in that: the left clamp (7) and the right clamp (8) are used for forming the holding and clamping cavity, and the parts are arc-shaped.

4. The rotating device for a heavy-duty drive shaft according to claim 2, characterized in that: the left clamp (7) is rotatably provided with a locking rod (12), the locking rod (12) is provided with a plurality of clamping grooves (13), and the clamping grooves (13) are matched with rotating shafts on the end parts of the right clamp (8).

5. The rotating device for a heavy-duty drive shaft according to claim 2, characterized in that: the rotating connection part of the connecting rod (9) is provided with a lifting ring (14) connected with the lifting end of the lifting mechanism (5).

6. The rotating device for a heavy-duty drive shaft according to claim 1, characterized in that: the lifting mechanism (5) comprises a motor (15), a transverse shaft (16) and a winding wheel (17), wherein the transverse shaft (16) and the winding wheel (17) are rotatably installed on the transverse beam (1), the motor (15) on the transverse beam (1) drives the two winding wheels (17) to rotate through the transverse shaft (16), and the winding wheel (17) is connected with a lifting part of the lifting appliance (6) through a steel wire rope (11).

7. The rotating device for a heavy-duty drive shaft according to claim 1, characterized in that: the lower surface of crossbeam (1) sets up stop gear (18), stop gear (18) include limiting plate (19) and double-threaded rod (20), limiting plate (19) symmetry set up and its one end pass through T type spout and T type slide structure with crossbeam (1) sliding connection, double-threaded rod (20) rotate and install on otic placode (4) of crossbeam (1), two limiting plate (19) respectively with two sections screw threads of double-threaded rod (20) carry out threaded connection.

8. The rotating device for a heavy-duty drive shaft according to claim 7, characterized in that: the inner side of the limiting plate (19) is provided with an arc-shaped part matched with the driving shaft (2).