CN211198419U

CN211198419U - Crane rotation locking and releasing device

Info

Publication number: CN211198419U
Application number: CN201922408815.4U
Authority: CN
Inventors: 刘冰; 孙振
Original assignee: Taian Guhe Truck Crane Co ltd
Current assignee: Taian Guhe Truck Crane Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-08-07
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a hoist gyration locking and remove device belongs to the hoist field. A rotary locking and releasing device of a crane comprises a base and an upright post bottom plate which is connected to the base in a rotary mode, wherein a seat is fixedly supported on the upright post bottom plate through a support, a shaft sleeve is fixedly connected to the base, a first locking hole is formed in the shaft sleeve, a second locking hole matched with the first locking hole is formed in the upright post bottom plate, a guide cylinder is fixedly connected to the upright post bottom plate, and a locking shaft used for being inserted into the first locking hole and the second locking hole is connected to the guide cylinder in a sliding mode; the utility model discloses an at hoist eminence outfit seat during operation, can make things convenient for the operator locking or relieve rotation mechanism, make things convenient for the operator operation, reduce the potential safety hazard.

Description

Crane rotation locking and releasing device

Technical Field

The utility model relates to a hoist technical field especially relates to a hoist gyration locking and remove device.

Background

The crane is generally locked by a locking shaft, but if a seat is arranged at a high position, an operator needs to manually lift the locking shaft at the lower part to release the rotation, and then sits on the seat to operate the crane, so that the operation process is extremely inconvenient, and if the operator forgets to release or lock the locking shaft at the lower part, a safety accident may be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the prior art, and a hoist gyration locking and remove device that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rotary locking and releasing device of a crane comprises a base and an upright post bottom plate which is connected to the base in a rotary mode, wherein a seat is fixedly supported on the upright post bottom plate through a support, a shaft sleeve is fixedly connected to the base, a first locking hole is formed in the shaft sleeve, a second locking hole matched with the first locking hole is formed in the upright post bottom plate, a guide cylinder is fixedly connected to the upright post bottom plate, a locking shaft used for being inserted into the first locking hole and the second locking hole is connected to the guide cylinder in a sliding mode, a push-pull flexible shaft is fixedly connected to the locking shaft, a reversing controller is fixedly connected to the seat, a guide wheel and an operating handle are connected to the reversing controller in a rotating mode, and one end, far away from the locking shaft, of the push-pull flexible shaft is wound around the guide.

Preferably, a lock hole is formed in the reversing controller.

Preferably, the operating handle is fixedly connected with a handle sleeve.

Preferably, the support is connected with a climbing ladder.

Preferably, a guide sleeve is fixedly locked on the guide cylinder through a first locking bolt, and the push-pull flexible shaft penetrates through the guide sleeve.

Preferably, the lower end of the push-pull flexible shaft is connected to the locking shaft through a second locking bolt.

Preferably, a guide disc matched with the guide cylinder is fixedly sleeved outside the locking shaft.

Compared with the prior art, the utility model provides a hoist gyration locking and remove device possesses following beneficial effect:

1. this hoist gyration locking and release device, through when carrying out the hoist operation, the operating handle on the switching-over controller need only be sat to push down on the seat, just can will originally alternate the locking axle of having passed through between the upright bottom plate and fixing axle sleeve on the base and pull up through the push-and-pull flexible axle, the gyration locking of hoist is relieved, the hoist begins to work, after the work is accomplished, the operating handle of hoist gyration normal position, later only need pull up on the switching-over controller, just can wear the locking axle into between the axle sleeve of upright bottom plate and base through the push-and-pull flexible axle, hoist rotation mechanism locking, through being equipped with the seat during operation in hoist eminence, can make things convenient for operator's locking or relieve rotation mechanism, make things convenient for operator's operation, reduce the potential safety hazard.

Drawings

Fig. 1 is a schematic structural view of a crane rotation locking and releasing device provided by the present invention;

fig. 2 is a schematic view of a rotation locking state structure of a crane rotation locking and releasing device provided by the present invention;

fig. 3 is a schematic view of a rotation releasing state structure of the crane rotation locking and releasing device provided by the present invention;

fig. 4 is a schematic structural diagram of a position a in fig. 3 of a crane rotation locking and releasing device provided by the present invention;

fig. 5 is a cross-sectional view of a reversing controller of a crane rotation locking and releasing device provided by the utility model;

fig. 6 is a schematic structural view of a reversing controller of a crane rotation locking and releasing device provided by the present invention.

In the figure: 1. a base; 2. a column base plate; 201. a second lock hole; 3. a shaft sleeve; 301. a first lock hole; 4. a guide cylinder; 5. pushing and pulling the flexible shaft; 6. climbing a ladder; 7. a support; 8. a commutation controller; 9. a seat; 10. a lock shaft; 11. a guide sleeve; 12. a first locking bolt; 13. a second locking bolt; 14. a guide plate; 15. a guide wheel; 16. a handle sleeve; 17. an operating handle; 18. and (6) locking the hole.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-6, a rotary locking and releasing device of a crane comprises a base 1 and an upright post bottom plate 2 rotatably connected to the base 1, wherein a seat 9 is fixedly supported on the upright post bottom plate 2 through a support 7, a shaft sleeve 3 is fixedly connected to the base 1, a first locking hole 301 is formed in the shaft sleeve 3, a second locking hole 201 matched with the first locking hole 301 is formed in the upright post bottom plate 2, a guide cylinder 4 is fixedly connected to the upright post bottom plate 2, a locking shaft 10 inserted into the first locking hole 301 and the second locking hole 201 is slidably connected to the guide cylinder 4, a push-pull flexible shaft 5 is fixedly connected to the locking shaft 10, a reversing controller 8 is fixedly connected to the seat 9, a push-pull guide wheel 15 and an operating handle 17 are rotatably connected to the reversing controller 8, and one end of the flexible shaft 5, far away from the locking shaft 10, bypasses the guide wheel;

through when carrying out the hoist operation, the operating personnel only need sit and push down the operating handle 17 on the switching-over controller 8 on seat 9, just can pull up the locking axle that originally alternates between stand bottom plate 2 and fix axle sleeve 3 on base 1 through push-and-pull flexible axle 5, the gyration locking of hoist is relieved, the hoist begins to work, after the work is accomplished, the operating personnel revolves the hoist to the normal position, later only need pull up the operating handle 17 on the switching-over controller 8, just can penetrate locking axle 10 between stand bottom plate 2 and the axle sleeve 3 of base 1 through push-and-pull flexible axle 5, hoist rotation mechanism locking, through equipping with seat 9 during operation at hoist eminence, can make things convenient for operator's locking or relieve rotation mechanism, make things convenient for operator's operation, reduce the potential safety hazard.

The reversing controller 8 is provided with a lock hole 18, so that the operating handle 17 can be pushed into the lock hole 18 to be clamped, and the automatic returning of the operating handle 17 is avoided.

The operating handle 17 is fixedly connected with a handle sleeve 16, which is convenient for operating the operating handle 17.

The bracket 7 is connected with a climbing ladder 6 which is convenient for climbing.

The guide sleeve 11 is fixedly locked on the guide cylinder 4 through a first locking bolt 12, and the push-pull flexible shaft 5 penetrates through the guide sleeve 11 to play a role in guiding.

The lower end of the push-pull flexible shaft 5 is connected to the locking shaft 10 through a second locking bolt 13, so that the connection is facilitated.

The locking shaft 10 is fixedly sleeved with a guide disc 14 matched with the guide cylinder 4, so that the locking shaft 10 can stably move up and down.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A rotary locking and releasing device of a crane comprises a base (1) and a stand column bottom plate (2) which is rotatably connected to the base (1), wherein a seat (9) is fixedly supported on the stand column bottom plate (2) through a support (7), and is characterized in that a shaft sleeve (3) is fixedly connected to the base (1), a first lock hole (301) is formed in the shaft sleeve (3), a second lock hole (201) matched with the first lock hole (301) is formed in the stand column bottom plate (2), a guide cylinder (4) is fixedly connected to the stand column bottom plate (2), a locking shaft (10) inserted into the first lock hole (301) and the second lock hole (201) is slidably connected to the guide cylinder (4), a push-pull flexible shaft (5) is fixedly connected to the locking shaft (10), and a reversing controller (8) is fixedly connected to the seat (9), the reversing controller (8) is rotatably connected with a guide wheel (15) and an operating handle (17), and one end of the push-pull flexible shaft (5) far away from the locking shaft (10) bypasses the guide wheel (15) and is connected with the operating handle (17).

2. A crane slewing lock and release device according to claim 1, characterised in that a lock hole (18) is provided in the reversing control (8).

3. A crane slewing lock and release device according to claim 1 or 2, characterised in that a handle sleeve (16) is fixedly connected to the operating handle (17).

4. A crane slewing lock and release device according to claim 1, characterised in that a climbing ladder (6) is connected to the support (7).

5. The crane rotation locking and unlocking device as claimed in claim 1, wherein the guide sleeve (11) is fixedly locked on the guide cylinder (4) through a first locking bolt (12), and the push-pull flexible shaft (5) penetrates through the guide sleeve (11).

6. A crane slewing locking and releasing device as claimed in claim 1 or 5, characterized in that the lower end of the push-pull flexible shaft (5) is connected to the locking shaft (10) by a second locking bolt (13).

7. A crane slewing locking and releasing device as claimed in claim 6, characterized in that a guide disc (14) matched with the guide cylinder (4) is fixedly sleeved outside the locking shaft (10).