CN215854776U - Rotary locking device of crane - Google Patents

Abstract

The utility model discloses a crane rotation locking device, which comprises a base and a rotary table arranged on the base, wherein the base is connected with the rotary table through a rotary block, the base is fixedly connected with the rotary block, the rotary block is rotatably connected with the rotary table, a locking pin seat is fixedly connected on the rotary table, a rotating mechanism for limiting the rotary table to rotate is arranged on the locking pin seat, a rotating shaft is fixedly connected on the rotary table, a rotation speed reducer is connected on the rotary table through a mounting rod, two ends of the mounting rod are respectively and fixedly connected with the rotation speed reducer and the rotary table, one end of the rotating shaft is fixedly connected with the driving end of the rotation speed reducer, so that a locking pin is more tightly connected with the base, meanwhile, the inconvenience in operation of workers due to the large size and heavy weight of the locking pin is avoided, the operation difficulty of workers is reduced, and the locking pin is easily and stably inserted and locked, the potential safety hazard is reduced.

Description

Rotary locking device of crane

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a rotary locking device of a crane.

Background

The crane is mainly a crane used on an ocean platform, is equipment for loading and unloading goods and lifting personnel on the platform by the ocean platform, is one of the most important production and safety equipment in the ocean oil production, has high requirements on safety reliability, maintainability, wind resistance, corrosion resistance and the like, and is often provided with a rotary locking device for preventing accidents caused by the fact that the crane automatically rotates and loses control under the action of external factors such as wind load, ship inclination and the like under the condition of no work.

The prior art has the following defects or problems:

the loop wheel machine gyration locking device who uses at present usually inserts, pulls out the stop pin through the staff manual work and realizes the gyration locking, because the big weight of size of stop pin is heavy, very inconvenient when leading to the workman to operate, hard intensity of labour is big to hardly lock the stable insertion of stop pin, there is certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rotary locking device of a crane aiming at the defects of the prior art so as to achieve the purposes of convenient operation, time saving and labor saving.

In order to achieve the purpose, the utility model provides the following technical scheme: the rotary table comprises a base, be provided with the revolving stage on the base, be provided with the turning block between base and the revolving stage, fixedly connected with axis of rotation on the revolving stage, axis of rotation one end is provided with the rotary speed reducer, be provided with the installation pole between revolving stage and the rotary speed reducer, fixedly connected with lockpin seat on the revolving stage, fixedly connected with rectangular rod on the lockpin seat, still be equipped with on the lockpin seat and be used for restricting revolving stage pivoted slewing mechanism.

As a preferable technical scheme of the utility model, the rotating mechanism comprises a locking pin which is in sliding connection with a locking pin seat, and a rectangular groove used for connecting a rectangular rod is arranged on the locking pin.

As a preferable technical scheme of the utility model, the base is connected with the rotary table through the rotating block, the base is fixedly connected with the rotating block, and the rotating block is rotatably connected with the rotary table.

As a preferred technical scheme of the present invention, the turntable is connected to the rotary speed reducer through a mounting rod, two ends of the mounting rod are respectively and fixedly connected to the rotary speed reducer and the turntable, and one end of the rotating shaft is fixedly connected to a driving end of the rotary speed reducer.

As a preferable technical solution of the present invention, the lock pin base is rotatably connected with a rotating wheel, and the rotating wheel is in threaded connection with the lock pin.

As the preferable technical scheme of the utility model, the base is provided with a groove for connecting the locking pin, a plurality of lugs are fixedly connected in the groove, and the lugs are clamped with the locking pin.

As a preferable technical scheme of the utility model, the groove is symmetrically and slidably connected with two sliding rods, each sliding rod is provided with a straight spring in a surrounding manner, two ends of each straight spring are respectively and fixedly connected with the sliding rods and the inner wall of the groove, and one end of each sliding rod is fixedly connected with a clamping plate for fixing the locking pin.

As a preferred technical scheme of the present invention, the rotating wheel is fixedly connected with a marking ruler, and the lock pin seat is fixedly connected with a pointer, one end of which points to the marking ruler.

Compared with the prior art, the utility model provides a crane rotation locking device, which has the following beneficial effects:

1. the rotary locking device of the crane can prevent the rotary table from rotating artificially, the rotating wheel is connected with the locking pin in a threaded manner, the rectangular groove on the locking pin is connected with the rectangular rod on the locking pin seat in a sliding manner, the locking pin can move in the vertical direction under the limiting action of the rectangular rod while the rotating wheel rotates, so that the lower end of the locking pin is connected with the groove on the base, the locking pin is clamped with the lug, the sliding rod and the groove can slide while the locking pin moves downwards, the straight spring arranged on the sliding rod in a surrounding manner can deform, the clamping plate and the locking pin can be tightly connected under the elastic action of the straight spring, the locking pin and the base are connected more tightly, and meanwhile, the inconvenience in operation of workers caused by the large size and heavy weight of the locking pin can be avoided, the operation difficulty of workers is reduced, the locking pin can be easily and stably inserted and locked, and potential safety hazards are reduced;

2. this loop wheel machine gyration locking device because rotate and take turns to fixedly connected with mark chi, when rotating wheel pivoted, the mark chi also can rotate along with rotating the wheel, and the directional mark chi of fixed connection's pointer one end on the lock key seat can learn to rotate wheel pivoted angle according to the position of the directional mark chi of pointer to whether can accurately learn the stop pin and stably insert in the recess, make the connection between stop pin and the recess more accurate.

Drawings

FIG. 1 is a schematic front view of a swing lock apparatus of a crane according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

fig. 3 is a schematic view of the enlarged structure of the portion B in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a turntable; 3. rotating the block; 4. a rotating shaft; 5. a rotary speed reducer; 6. mounting a rod; 7. a rectangular bar; 8. a lock pin seat; 9. a locking pin; 10. a straight spring; 11. a slide bar; 12. a splint; 13. a groove; 14. marking a ruler; 15. a rotating wheel; 16. a pointer; 17. a rectangular groove; 18. and (4) a bump.

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. 1-3, in this embodiment: the utility model provides a loop wheel machine gyration locking device, including base 1 and the revolving stage 2 of setting on base 1, base 1 passes through turning block 3 and the connection of revolving stage 2, base 1 and 3 fixed connection of turning block, turning block 3 and 2 rotation of revolving stage are connected, fixedly connected with locking pin seat 8 on the revolving stage 2, be equipped with on the locking pin seat 8 and be used for restricting the 2 pivoted slewing mechanism of revolving stage, fixedly connected with axis of rotation 4 on the revolving stage 2, be connected with rotary speed reducer 5 through installation pole 6 on the revolving stage 2, 6 both ends of installation pole respectively with rotary speed reducer 5 and 2 fixed connection of revolving stage, 4 one end of axis of rotation and 5 drive end fixed connection of rotary speed reducer, slewing mechanism include with 8 sliding connection's of locking pin seat locking pin 9, fixedly connected with rectangle pole 7 on the locking pin seat 8, be equipped with the rectangular channel 17 that is used for connecting rectangle pole 7 on the locking pin 9.

In this embodiment, a rotating wheel 15 is rotatably connected to the locking pin seat 8, the rotating wheel 15 is in threaded connection with the locking pin 9, a groove 13 for connecting the locking pin 9 is formed in the base 1, a plurality of protrusions 18 are fixedly connected in the groove 13, the protrusions 18 are in snap connection with the locking pin 9, two sliding rods 11 are symmetrically and slidably connected to the groove 13, a straight spring 10 is arranged on each sliding rod 11 in a surrounding manner, two ends of each straight spring 10 are respectively fixedly connected with the inner walls of the sliding rods 11 and the groove 13, a clamping plate 12 for fixing the locking pin 9 is fixedly connected to one end of each sliding rod 11, when the turntable 2 is prevented from rotating, the rotating wheel 15 is manually rotated, since the rotating wheel 15 and the locking pin 9 are connected by screw threads, and the rectangular groove 17 on the locking pin 9 is connected with the rectangular rod 7 on the locking pin seat 8 in a sliding way, while the rotating wheel 15 rotates, the locking pin 9 is caused to move in the vertical direction by the restriction of the rectangular bar 7.

When the lower end of the locking pin 9 is connected with the groove 13 on the base 1, the locking pin 9 is clamped with the convex block 18, and simultaneously, the locking pin 9 moves downwards, and simultaneously, the sliding rod 11 and the groove 13 can slide, the straight spring 10 arranged on the sliding rod 11 in a surrounding way can deform, under the elastic force action of the straight spring 10, the clamping plate 12 and the locking pin 9 can be tightly connected, so that the locking pin 9 and the base 1 are more tightly connected, the marking ruler 14 is fixedly connected on the rotating wheel 15, the pointer 16 with one end pointing to the marking ruler 14 is fixedly connected on the locking pin seat 8, because the marking ruler 14 is fixedly connected on the rotating wheel 15, when the rotating wheel 15 rotates, the marking ruler 14 can also rotate along with the rotating wheel 15, one end of the pointer 16 fixedly connected on the locking pin seat 8 points to the marking ruler 14, and the rotating angle of the rotating wheel 15 can be known according to the position of the pointer 16 pointing to the marking ruler 14, therefore, whether the locking pin 9 is stably inserted into the groove 13 or not can be accurately known, and the connection between the locking pin 9 and the groove 13 is more accurate.

The working principle and the using process of the utility model are as follows: the rotary locking device of the crane has the advantages that the driving end of the rotary speed reducer 5 is fixedly connected with the rotating shaft 4 on the rotary table 2, the rotary table 2 can be rotated under the driving action of the rotary speed reducer 5, the rotary table 2 is rotatably connected with the rotating block 3, the rotary table 2 can rotate more stably under the driving action of the rotary speed reducer 5, when the rotary table 2 is prevented from rotating, the rotating wheel 15 is manually rotated, the rotating wheel 15 is in threaded connection with the locking pin 9, the rectangular groove 17 on the locking pin 9 is in sliding connection with the rectangular rod 7 on the locking pin seat 8, when the rotating wheel 15 rotates, the locking pin 9 can be moved in the vertical direction under the limiting action of the rectangular rod 7, so that the lower end of the locking pin 9 is connected with the groove 13 on the base 1, the locking pin 9 is clamped with the convex block 18, and meanwhile, the locking pin 9 moves downwards, also can make slide bar 11 and recess 13 take place to slide, and the straight spring 10 that encircles the setting on the slide bar 11 will take place to be out of shape, under the spring action of straight spring 10, will make splint 12 and stop pin 9 zonulae occludens to stop pin 9 and base 1 connect more closely, simultaneously also can not be because the big weight of the size of stop pin 9 is heavy, and inconvenient when leading to the workman to operate, reduced staff's the operation degree of difficulty.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. Loop wheel machine gyration locking device, its characterized in that: including base (1), be provided with revolving stage (2) on base (1), be provided with turning block (3) between base (1) and revolving stage (2), fixedly connected with axis of rotation (4) on revolving stage (2), axis of rotation (4) one end is provided with gyration speed reducer (5), be provided with between revolving stage (2) and gyration speed reducer (5) installation pole (6), fixedly connected with lockpin seat (8) are gone up in revolving stage (2), fixedly connected with rectangular rod (7) are gone up in lockpin seat (8), still be equipped with on lockpin seat (8) and be used for restricting revolving stage (2) pivoted slewing mechanism.

2. The crane slewing locking device of claim 1, wherein: the rotating mechanism comprises a locking pin (9) which is in sliding connection with a locking pin seat (8), and a rectangular groove (17) used for connecting a rectangular rod (7) is formed in the locking pin (9).

3. The crane slewing locking device of claim 1, wherein: the base (1) is connected with the rotary table (2) through the rotating block (3), the base (1) is fixedly connected with the rotating block (3), and the rotating block (3) is rotatably connected with the rotary table (2).

4. The crane slewing locking device of claim 1, wherein: the rotary table is connected with the rotary speed reducer (5) through an installation rod (6), two ends of the installation rod (6) are fixedly connected with the rotary speed reducer (5) and the rotary table (2) respectively, and one end of the rotating shaft (4) is fixedly connected with the driving end of the rotary speed reducer (5).

5. The crane slewing locking device of claim 1, wherein: the locking pin seat (8) is rotatably connected with a rotating wheel (15), and the rotating wheel (15) is in threaded connection with the locking pin (9).

6. A crane slewing lock device according to claim 1 or 2, wherein: be equipped with recess (13) that are used for connecting stop pin (9) on base (1), a plurality of lugs (18) of fixedly connected with in recess (13), lug (18) and stop pin (9) joint.

7. The crane slewing locking device of claim 6, wherein: the novel locking pin is characterized in that two sliding rods (11) are symmetrically and slidably connected to the groove (13), each sliding rod (11) is provided with a straight spring (10) in a surrounding mode, two ends of each straight spring (10) are fixedly connected with the sliding rods (11) and the inner wall of the groove (13) respectively, and one end of each sliding rod (11) is fixedly connected with a clamping plate (12) used for fixing the locking pin (9).

8. The crane slewing locking device of claim 5, wherein: a marking ruler (14) is fixedly connected to the rotating wheel (15), and a pointer (16) with one end pointing to the marking ruler (14) is fixedly connected to the lock pin seat (8).

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