CN222714963U - Storm lock device - Google Patents

Abstract

The utility model relates to a storm lock device in the technical field of crane safety locking, comprising a locking pin, a base and a swivel member rotatably mounted on the base; upper and lower corresponding positioning plates and pressure plates are fixed to the outer wall of the base, the plate surface of the positioning plate is provided with a through hole adapted for the locking pin to movably pass through, a thrust ring is installed at the upper end of the locking pin, a spring is outerly arranged on the pin body of the locking pin between the thrust ring and the positioning plate, a lever is connected to the outer wall of the lower end of the locking pin, the outer end of the lever is positively hooked on the outer end of the pressure plate so that the locking pin moves downward and the spring is in a compressed state; upper and lower corresponding impact rods and locking plates are fixed to the outer wall of the swivel member, the plate surface of the locking plate is provided with a locking hole corresponding to the upper end of the locking pin, the outer end of the impact rod is bent downward corresponding to the lever body, and can push the lever to reverse and disengage from the pressure plate, so that the spring rebounds and pushes the locking pin to move upward and insert into the locking hole; the storm lock device can effectively prevent excessive rotation of the swivel operating equipment by automatic locking.

Description

Storm lock device

Technical Field

The utility model relates to the technical field of crane safety locking, in particular to a storm lock device.

Background

The wind-proof safety measures of the bridge gantry cranes at home and abroad at present are known, mainly through mechanisms such as rail clamping devices, anchoring devices and the like, but the cantilever crane cannot be additionally provided with locking devices with similar structures, the cantilever crane can be actively controlled, so that the cantilever crane can perform large-range rotary rotation operation, once extreme weather is met, the cantilever of the crane can be combined with the supporting main body under the action of wind force to perform passive rotary rotation relative to the base, and the situation that the cantilever collides with a building or other equipment to cause safety accidents due to excessive rotation caused by uncontrolled is unavoidable, so that a locking mechanism is necessary to be designed to limit the excessive rotation of the cantilever crane when the cantilever crane is uncontrolled.

Disclosure of utility model

In order to overcome the defects in the background technology and solve the prior art, the utility model discloses a storm lock device which can effectively avoid excessive rotation of rotary operation equipment through automatic locking.

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

A storm lock device comprises a locking pin, a base and a rotary member rotatably arranged on the base, wherein a locating plate and a pressing plate which correspond up and down are fixed on the outer wall of the base, a through hole which is matched with the locking pin to movably pass through is formed in the surface of the locating plate, a thrust ring is arranged at the upper end of the locking pin, a spring is sleeved outside a locking pin body between the thrust ring and the locating plate, a deflector rod is connected to the outer wall of the lower end of the locking pin, the outer end of the deflector rod is hooked on the outer end of the pressing plate in a positive rotation mode, so that the locking pin moves downwards and the spring is in a compressed state, a striker rod and a locking plate which correspond up and down are fixed on the outer wall of the rotary member, a lock hole which corresponds to the upper end of the locking pin is formed in the surface of the locking plate, the outer end of the striker rod bends downwards and corresponds to the deflector rod body, and the deflector rod can be pushed to reversely separate from the pressing plate, so that the spring rebounds and pushes the locking pin to move into the lock hole.

Further, the outer end of the pressing plate is bent twice to form a Z-shaped hook comprising a vertical folding part and a horizontal folding part, and the outer end of the deflector rod is bent to form a folding rod part hooked on the lower surface of the horizontal folding part.

Further, the outer wall of the locking pin is provided with a plurality of limiting holes in an axial arrangement mode, the locking pin is sleeved with the thrust ring in a sliding mode, and the limiting pins which are inserted in the limiting holes in an adaptive mode are arranged above the thrust ring in an abutting mode.

Further, the collision rod comprises a main rod piece and an auxiliary rod piece which are all L-shaped, the outer ends of the cross rod sections of the main rod piece are fixed on the rotary piece, the outer ends of the vertical rod sections of the main rod piece are correspondingly close to the outer ends of the pressing plates, the auxiliary rod piece is arranged between the pressing plates and the positioning plates, the outer ends of the cross rod sections of the auxiliary rod piece are fixed on the vertical rod sections of the main rod piece, and the vertical rod sections of the auxiliary rod piece are used for pushing the deflector rod to rotate reversely.

Further, the lock hole is a strip hole.

Further, two positioning plates are arranged side by side at intervals.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

According to the storm lock device disclosed by the utility model, when the rotating member is influenced by factors such as wind power and the like and is uncontrollably rotated, the deflector rod is poked through the striker rod which rotates together with the rotating member, so that the deflector rod is reversely rotated to be separated from the pressing plate, further the locking pin arranged on the base can move upwards under the action of the resilience force of the spring and is inserted into the lock hole of the locking plate on the rotating member, finally, the rotating member and the base are limited to continuously rotate excessively, the problem of safety and wind prevention of cantilever rotation type lifting equipment in extreme weather is effectively solved, and the effect of preventing the cantilever from colliding with a building or equipment is achieved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

Fig. 2 is a schematic structural view of the locking pin.

The device comprises a base, a rotary member, a pressing plate, a vertical folding part, a horizontal folding part, a driving rod, a 401 folding rod part, a5, a plunger rod, a 501, a main rod, a 502, a secondary rod, a 6, a positioning plate, a 7, a spring, a 8, a limiting pin, a 9, a thrust ring, a 10, a locking pin, a 11, a locking plate, a 12 and a lock hole.

Detailed Description

In the description, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., the drawings merely correspond to the drawings of the present utility model, and in order to facilitate description of the present utility model, it is not necessary to indicate or imply that the apparatus or element to be referred to has a specific azimuth.

Embodiment one:

The storm locking device comprises a locking pin 10, a base 1 and a rotating member 2 rotatably arranged on the base 1, wherein the rotating member 2 is a supporting main body for installing a cantilever of a cantilever crane, the outer wall of the base 1 is fixedly provided with a positioning plate 6 and a pressing plate 3 which are vertically corresponding, the surface of the positioning plate 6 is provided with a perforation which is matched with the locking pin 10 to movably pass through, two positioning plates 6 are arranged side by side at intervals according to requirements, the locking pin 10 is radially limited through the two perforation on the two positioning plates 6, the upper end of the locking pin 10 is provided with a thrust ring 9, and a pin body of the locking pin 10 between the thrust ring 9 and the positioning plate 6 is sleeved with a spring 7, so that the thrust ring 9 can be driven to compress the spring 7 when the locking pin 10 moves downwards;

The outer wall of the lower end of the locking pin 10 is connected with a deflector rod 4, the deflector rod 4 can also play a limiting role, the locking pin 10 is prevented from sliding from a perforation of the positioning plate 6 when moving upwards, the outer end of the deflector rod 4 is hooked on the outer end of the pressing plate 3 in a positive rotation manner, so that the locking pin 10 moves downwards, the spring 7 is in a compressed state, namely, the deflector rod 4 is just started to actively and manually press down the locking pin 10, and then the outer end of the deflector rod 4 can be hooked on the outer end of the pressing plate 3;

The outer wall of the rotating member 2 is fixedly provided with a striker 5 and a locking plate 11 which are vertically corresponding, the surface of the locking plate 11 is provided with a lock hole 12 corresponding to the upper end of the locking pin 10, in order to ensure that the locking pin 10 is smoothly inserted, the lock hole 12 is a long hole, the width of the lock hole 12 can be in clearance fit with the locking pin 10, the length of the lock hole 12 is 1.5-2 times of the diameter of the locking pin 10, the length direction of the lock hole 12 is an arc shape with the center corresponding to the rotation center line of the rotating member 2, the outer end of the striker 5 is downwards bent to correspond to one side of the rod body of the deflector rod 4, and the deflector rod 4 can be pushed to reversely rotate along with the rotation of the rotating member 2 so as to separate from the pressing plate 3, and the spring 7 rebounds and pushes the locking pin 10 to be upwards inserted into the lock hole 12.

When the rotary member 2 does not automatically rotate reversely, the push rod 5 can be driven, the push rod 4 is pushed to be separated from the limit of the pressing plate 3, so that the locking pin 10 arranged on the base 1 can further move upwards under the resilience force of the spring 7 and be inserted into the lock hole 12 of the locking plate 11 on the rotary member 2, and finally, the rotary member 2 and the base 1 are limited to continue to rotate excessively.

Embodiment two:

In order to prevent the deflector rod 4 from separating from the pressing plate 3, under the resilience of the spring 7, the deflector rod 4 is driven to move upwards and then to impact the positioning plate 6 suddenly, so that the positioning plate 6 is deformed for a long time, the first embodiment can be based on which the deflector rod 5 comprises a main rod member 501 and an auxiliary rod member 502 which are all L-shaped, the outer end of the cross rod section of the main rod member 501 is fixed on the rotating member 2, the outer end of the vertical rod section of the main rod member 501 is correspondingly close to the outer end of the pressing plate 3, the auxiliary rod member 502 is arranged between the pressing plate 3 and the positioning plate 6, the outer end of the cross rod section of the auxiliary rod member 502 is fixed on the vertical rod section of the main rod member 501, and thus, even if the deflector rod 4 is separated from the pressing plate 3, the deflector rod 4 is blocked by the cross rod section of the auxiliary rod member 502 in a certain distance after ascending, and the collision on the positioning plate 6 is avoided.

The utility model has not been described in detail as belonging to the prior art, it is obvious to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments and that the utility model can be implemented in other specific forms without departing from the spirit or essential characteristics thereof, and therefore, the above-described embodiments should be regarded as exemplary and non-limiting in all respects, the scope of the utility model is defined by the appended claims rather than 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, and any reference signs in the claims shall not be construed as limiting the scope of the claims concerned.

Claims (6)

1. A storm locking device is characterized by comprising a locking pin (10), a base (1) and a rotating member (2) rotatably arranged on the base (1), wherein a positioning plate (6) and a pressing plate (3) which correspond up and down are fixed on the outer wall of the base (1), a through hole which is matched with the locking pin (10) to movably pass through is formed in the surface of the positioning plate (6), a thrust ring (9) is arranged at the upper end of the locking pin (10), a spring (7) is sleeved outside a pin body of the locking pin (10) between the thrust ring (9) and the positioning plate (6), a deflector rod (4) is connected to the outer wall of the lower end of the locking pin (10), the outer end of the deflector rod (4) is positively hooked on the outer end of the pressing plate (3) so that the locking pin (10) moves down, the spring (7) is in a compressed state, a striker rod (5) and a locking plate (11) which correspond up and down are fixed on the outer wall of the rotating member (2), a spring (11) is provided with a corresponding upper end (12) and the striker rod (10) which is correspondingly positioned on the surface of the locking plate, and the deflector rod (11) can be pushed out of the outer end (4) in a bending mode, and the outer end (12) of the deflector rod (4) can be pushed down.

2. The storm lock device according to claim 1, wherein the outer end of said pressing plate (3) is bent twice to form a Z-shaped hook comprising a vertical bending part (301) and a horizontal bending part (302), and the outer end of said deflector rod (4) is bent to form a bending rod part (401) hooked on the lower surface of the horizontal bending part (302).

3. The storm lock device according to claim 1, wherein a plurality of limiting holes are arranged on the outer wall of the locking pin (10) along the axial direction, the thrust ring (9) is slidably sleeved on the locking pin (10), and a limiting pin (8) which is matched and inserted in the limiting hole is arranged above the thrust ring (9) in a propping manner.

4. The storm lock device as claimed in claim 1, wherein said striker (5) comprises a main rod (501) and an auxiliary rod (502) which are L-shaped, the outer ends of the cross rod sections of said main rod (501) are fixed on the rotary member (2), the outer ends of the vertical rod sections of said main rod (501) are correspondingly close to the outer ends of the pressing plates (3), said auxiliary rod (502) is arranged between the pressing plates (3) and the positioning plate (6), the outer ends of the cross rod sections of said auxiliary rod (502) are fixed on the vertical rod sections of said main rod (501), and the vertical rod sections of said auxiliary rod (502) are used for pushing the deflector rod (4) to rotate reversely.

5. The storm lock device according to claim 1, wherein said locking hole (12) is provided as an elongated hole.

6. Storm lock device according to claim 1, characterized in that said positioning plates (6) are arranged two by two at intervals.