CN215048030U

CN215048030U - Mechanical safety control device of tower crane

Info

Publication number: CN215048030U
Application number: CN202121502994.9U
Authority: CN
Inventors: 方正
Original assignee: Shenzhen Dingtai Construction Engineering Testing Co ltd
Current assignee: Shenzhen Dingtai Construction Engineering Testing Co ltd
Priority date: 2021-07-04
Filing date: 2021-07-04
Publication date: 2021-12-07
Anticipated expiration: 2031-07-04

Abstract

The utility model discloses a mechanical safety control device of a tower crane, which comprises a hanging head, wherein the upper end position of the hanging head is provided with a horizontal component, the two sides of the hanging head are provided with lifting components, the horizontal component comprises a horizontal plate, an inclination angle sensor arranged on one side of the horizontal plate and a fixed spring arranged on the lower end position of the horizontal plate, one end of the fixed spring is connected with the side surface of the hanging head, when an object is hooked on the lower end position of a lifting hook, a sling can be deviated due to the gravity center deviation of the object or the influence of external factors when the hanging head is lifted, at the moment, the horizontal plate is arranged on the outer side of the sling, a sliding cylinder arranged on the horizontal plate wraps a group of slings, and the arrangement of a pulley enables the sling to be moved, and the arrangement of a connecting spring enables the sling to be deviated to a certain degree, the normal hanging object of the hanging head is not influenced, when the slings of four groups have larger deviation, the whole horizontal plate is driven to deflect, and the inclination angle sensor transmits the overlarge deflection signal to the crane.

Description

Mechanical safety control device of tower crane

Technical Field

The utility model relates to a hoist technical field specifically is a tower crane machinery safety control device.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes.

Traditional tower crane need bind the object with the rope when using the lifting hook to hang the thing, then hangs the rope on the lifting hook, when the lifting hook goes up and down, easily appears because of the rope slides, the condition of object focus skew, and equally when the lifting hook goes up and down, the hoist cable that lifting hook upper end position set up can be because of external factors, the skew condition appears to be unfavorable for the work of hoist.

In order to solve the problems, the mechanical safety control device for the tower crane is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tower crane machinery safety control device, including hanging the head, hang first upper end position and be provided with horizontal assembly, hang first both sides and be provided with lifting unit, set up and prevent the gliding component of rope, avoid appearing because of the rope slides, the condition of object focus skew, and set up on the hoist cable and detected horizontally structure to the problem in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tower crane machinery safety control device, includes and hangs the head, hangs head upper end position and is provided with horizontal component, hangs the head both sides and is provided with lifting unit, and horizontal component includes the horizontal plate and sets up the angular transducer in horizontal plate one side to and set up the fixed spring in horizontal plate lower extreme position, and fixed spring one end is connected with hanging the head side.

Preferably, the hanging head comprises a guide pillar groove arranged on the side surface of the hanging head, a clamping groove arranged on the inner wall of the side surface of the hanging head and a lifting hook arranged at the lower end of the hanging head, and the hanging head is internally provided with four sets of slings.

Preferably, the horizontal plate comprises a through groove penetrating through the upper side surface of the horizontal plate, connecting springs arranged on the inner wall of the through groove and a sliding cylinder arranged inside the through groove, the connecting springs are provided with a plurality of groups, and one end of each connecting spring is connected with the outer side of the corresponding sliding cylinder.

Preferably, the inner wall of the sliding cylinder is movably provided with a plurality of groups of pulleys, and the side surfaces of the pulleys are in contact with the outer side of the sling.

Preferably, the lifting assembly comprises a lifting block clamped on the side face of the lifting head, a U-shaped plate arranged on one side of the lifting block and a protruding plate embedded in the U-shaped plate.

Preferably, the lifting block comprises clamping strips arranged on two sides of the lifting block and a matching ring block arranged on one side of the lifting block, the lengths of the clamping strips and the matching ring block are both smaller than those of the guide column strip groove and the clamping groove, and the lengths of the guide column strip groove and the clamping groove are equal.

Preferably, the inner wall of the U-shaped plate is provided with a first rubber layer, a telescopic column is arranged inside the U-shaped plate, one end of the telescopic column is in contact with the extending plate, and a second rubber layer is arranged on the inner wall of the extending plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of tower crane machinery safety control device, when getting in touch the object at lifting hook lower extreme position, hoist effect hangs the head and goes up and down, when hanging the head and go up and down, probably because of object focus skew or external factor influence, the hoist cable takes place the skew, set up the horizontal plate in the hoist cable outside this moment, the slide cartridge that the horizontal plate set up wraps up a set of hoist cable, the setting of pulley, make the hoist cable can remove, and coupling spring's setting, make the hoist cable can skew to a certain extent, do not influence the normal suspended object of hanging the head, when the great skew of range appears in the hoist cable of four groups, can drive the skew with whole horizontal plate, inclination sensor can give the hoist with this too big signal transmission of skew this moment, thereby control the safety of hoist.

2. The utility model provides a pair of tower crane machinery safety control device, use the rope to bind with the object, hang the rope when lifting hook lower extreme position again, but the electric drive elevator descends, make the cooperation ring piece and the block strip that are located elevator one side top position contact the bottom position in guide pillar strip groove and block groove, the first rubber layer that U template inner wall set up this moment can contact the rope, thereby carry on the rope spacing again, the rope is not convenient for remove, the focus of object has been stabilized promptly, when the rope is longer, but the flexible post of electric drive makes the extension plate move down, leave inside the U template, the second rubber layer that the board set up is stretched out in the utilization comes to carry on the rope spacing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a hanging head and a horizontal assembly of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

fig. 4 is a schematic structural view of the lifting assembly of the present invention;

fig. 5 is a schematic view of the planar structure of the U-shaped plate and the extension plate of the present invention.

In the figure: 1. a hoisting head; 11. a guide post strip groove; 12. a clamping groove; 13. a hook; 14. a sling; 2. a horizontal component; 21. a horizontal plate; 211. a through groove; 212. a connecting spring; 213. a sliding cylinder; 2131. a pulley; 22. a tilt sensor; 23. fixing the spring; 3. a lifting assembly; 31. a U-shaped plate; 311. a first rubber layer; 312. a telescopic column; 32. a lifting block; 321. matching with the ring block; 322. clamping the strip; 33. extending the plate; 331. a second rubber layer.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a mechanical safety control device for a tower crane includes a crane head 1, a horizontal component 2 disposed at an upper end of the crane head 1, and lifting components 3 disposed at two sides of the crane head 1.

Referring to fig. 2-3, a mechanical safety control device for a tower crane, wherein a horizontal assembly 2 comprises a horizontal plate 21, an inclination angle sensor 22 disposed at one side of the horizontal plate 21, and a fixed spring 23 disposed at a lower end of the horizontal plate 21, one end of the fixed spring 23 is connected to a side surface of a hanging head 1, the hanging head 1 comprises a guide post groove 11 disposed at a side surface of the hanging head 1, a locking groove 12 disposed at an inner wall of the side surface of the hanging head 1, and a hook 13 disposed at a lower end of the hanging head 1, a sling 14 is disposed inside the hanging head 1, the slings 14 are provided in four groups, the horizontal plate 21 comprises a through groove 211 disposed at an upper side surface of the horizontal plate 21, a connecting spring 212 disposed at an inner wall of the through groove 211, and a sliding tube 213 disposed inside the through groove 211, the connecting springs 212 are provided in multiple groups, one end of the connecting spring 212 is connected to an outer side of the sliding tube 213, the sliding tube 213 is movably provided with a pulley 2131, the pulleys 2131 are provided in multiple groups, and the side surfaces of the pulleys 2131 are in contact with the outer sides of the suspension ropes 14.

Referring to fig. 4-5, a mechanical safety control device for a tower crane, a lifting assembly 3 includes a lifting block 32 clamped on a side surface of a hanging head 1, a U-shaped plate 31 disposed on one side of the lifting block 32, and an extension plate 33 embedded inside the U-shaped plate 31, the lifting block 32 includes clamping strips 322 disposed on two sides of the lifting block 32, and a matching ring 321 disposed on one side of the lifting block 32, the lengths of the clamping strips 322 and the matching ring 321 are both smaller than the lengths of the guide pillar strip grooves 11 and the clamping grooves 12, the lengths of the guide pillar strip grooves 11 and the clamping grooves 12 are equal, a first rubber layer 311 is disposed on an inner wall of the U-shaped plate 31, a telescopic column 312 is disposed inside the U-shaped plate 31, one end of the telescopic column 312 contacts with the extension plate 33, and a second rubber layer 331 is disposed on an inner wall of the extension plate 33.

The working principle is as follows: when an object is hooked at the lower end of the hook 13, the crane acts on the lifting head 1 to lift, when the lifting head 1 lifts, the sling 14 may deviate due to the gravity center deviation of the object or the influence of external factors, at this time, the horizontal plate 21 is arranged on the outer side of the sling 14, the sliding barrel 213 arranged on the horizontal plate 21 wraps a group of slings 14, the pulley 2131 is arranged to enable the sling 14 to move, the arrangement of the connecting spring 212 enables the sling 14 to deviate to a certain degree without influencing the normal hanging object of the lifting head 1, when the slings 14 of the four groups have large deviation, the whole horizontal plate 21 is driven to deviate, at this time, the inclination angle sensor 22 transmits a signal with excessive deviation to the crane, thereby controlling the safety of the crane, when the object is bound by using the ropes, and then the ropes are hung at the lower end of the lifting hook 13, the lifting block 32 can be driven to descend electrically, make the cooperation ring piece 321 and the block strip 322 that are in lifting block 32 one side top position contact the bottom position in guide pillar strip groove 11 and block groove 12, the first rubber layer 311 that the U template 31 inner wall set up this moment can contact the rope, thereby it is spacing to carry out the rope once more, the rope is not convenient for remove, the focus of object has been stabilized promptly, when the rope is longer, but electrically drive flexible post 312 makes and stretches out board 33 downstream, leave inside the U template 31, utilize the second rubber layer 331 that stretches out the board 33 setting to come to carry on spacingly with the rope.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tower crane machinery safety control device, includes hanging head (1), its characterized in that: the lifting device is characterized in that a horizontal assembly (2) is arranged at the upper end of the lifting head (1), lifting assemblies (3) are arranged on two sides of the lifting head (1), the horizontal assembly (2) comprises a horizontal plate (21), an inclination angle sensor (22) arranged on one side of the horizontal plate (21), and a fixing spring (23) arranged at the lower end of the horizontal plate (21), and one end of the fixing spring (23) is connected with the side face of the lifting head (1).

2. The mechanical safety control device of the tower crane according to claim 1, characterized in that: the lifting head (1) comprises guide post strip grooves (11) formed in the side faces of the lifting head (1), clamping grooves (12) formed in the inner walls of the side faces of the lifting head (1) and lifting hooks (13) arranged at the lower end positions of the lifting head (1), lifting ropes (14) are further arranged inside the lifting head (1), and four sets of the lifting ropes (14) are arranged.

3. The mechanical safety control device of the tower crane according to claim 1, characterized in that: the horizontal plate (21) comprises a through groove (211) which penetrates through the upper side face of the horizontal plate (21), connecting springs (212) which are arranged on the inner wall of the through groove (211) and sliding cylinders (213) which are arranged in the through groove (211), the connecting springs (212) are arranged in multiple groups, and one end of each connecting spring (212) is connected with the outer side of each sliding cylinder (213).

4. The mechanical safety control device for the tower crane according to claim 3, wherein: the inner wall of the sliding cylinder (213) is movably provided with a plurality of groups of pulleys (2131), and the side surface of each pulley (2131) is in contact with the outer side of the sling (14).

5. The mechanical safety control device of the tower crane according to claim 1, characterized in that: the lifting component (3) comprises a lifting block (32) clamped on the side surface of the hanging head (1), a U-shaped plate (31) arranged on one side of the lifting block (32) and a protruding plate (33) embedded in the U-shaped plate (31).

6. The mechanical safety control device for the tower crane according to claim 5, wherein: the lifting block (32) comprises clamping strips (322) arranged on two sides of the lifting block (32) and a matching ring block (321) arranged on one side of the lifting block (32), the lengths of the clamping strips (322) and the matching ring block (321) are smaller than those of the guide pillar strip groove (11) and the clamping groove (12), and the lengths of the guide pillar strip groove (11) and the clamping groove (12) are equal.

7. The mechanical safety control device for the tower crane according to claim 5, wherein: the U-shaped plate (31) is provided with a first rubber layer (311) on the inner wall, a telescopic column (312) is arranged inside the U-shaped plate (31), one end of the telescopic column (312) is in contact with the extension plate (33), and a second rubber layer (331) is arranged on the inner wall of the extension plate (33).