CN210558962U

CN210558962U - Protection tower crane for protecting operator

Info

Publication number: CN210558962U
Application number: CN201921011739.7U
Authority: CN
Inventors: 刘伟奇; 李宾宾; 贾日晨
Original assignee: IT Electronics Eleventh Design and Research Institute Scientific and Technological Engineering Corp
Current assignee: IT Electronics Eleventh Design and Research Institute Scientific and Technological Engineering Corp
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-05-19
Anticipated expiration: 2029-07-02

Abstract

The utility model provides a protection tower crane for protecting operators, which relates to the field of tower cranes and comprises a tower body, a suspension arm, a balance arm, a crawling ladder and a tower cap, and also comprises an escape channel component and a safety bin, wherein, the escape channel component of the utility model can enable the operators to be quickly transferred from a cab into the safety bin, namely, a driving motor drives the operators and a sliding table to slide downwards through a cable bypassing a fixed pulley; the safety bin is arranged between one fourth and one half of the tower body, so that when the tower body collapses and bends to the side face, the safety bin can greatly reduce the bending stress at the bottom of the tower body, and after an operator enters the safety bin, the airbag is quickly filled by the inflation tank, so that the impact force is further reduced when the operator drops, and a protection effect is achieved for a tower crane driver.

Description

Protection tower crane for protecting operator

Technical Field

The utility model relates to a tower crane field especially relates to a protection tower crane of protection operator.

Background

The tower crane is a rotary crane with a movable arm arranged at the upper part of a high tower body; the working range is large, and the device is mainly used for vertical transportation of materials and component installation in the construction of multi-storey and high-rise buildings; the device consists of a metal structure, a working mechanism and an electric system; the metal structure comprises a tower body, a movable arm, a base, an attachment rod and the like; the working mechanism has four parts of lifting, amplitude variation, rotation and walking; the electric system comprises a motor, a controller, a power distribution frame, a connecting line, a signal and lighting device and the like.

Along with the rapid development of domestic economy, the height of buildings is generally increased, so that the height of the tower crane is synchronously increased along with the increase of the height of the buildings, although the country continuously makes and improves related safety construction regulations of the tower crane, for example, when the wind power of the construction site is larger than the rated wind speed, the construction of the tower crane is strictly forbidden, the tower crane is periodically checked and maintained, and other regulations, although the requirements are relatively comprehensive, the weather change or the tower crane component is difficult to predict accurately, therefore, the tower crane collapse event is still difficult to avoid, and the patent publication No. CN207844953U discloses a safety protection device for protecting a tower crane driver, the patent arranges an air bag like an automobile safety air bag in a cab, but if the height of the tower crane is higher, although the buffer of the air bag exists, however, under high-speed impact, the airbag is difficult to effectively protect the operator, so that the driver is exposed to great safety risk; when the tower crane collapses, the bottom of the tower body is firstly bent until the tower crane collapses, so that if the tower crane collapses, an operator climbs to the bottom of the tower body, the metal framework bent at the bottom of the tower body easily causes damage, and therefore how to protect a tower crane driver becomes a problem that technical personnel in the field need to finish the work urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a protection tower crane of protection operator.

The utility model discloses a realize through following technical scheme: a protective tower crane for protecting operators comprises a tower body, a suspension arm, a balance arm, a ladder stand, a tower cap, an escape channel component and a safety bin, wherein the safety bin is positioned between one fourth and one half of the tower body, the safety bin is fixedly connected with the tower body, the escape channel component is connected with an operation room and the safety bin, the operation room is connected with the safety bin,

the escape passage component comprises a driving motor, a fixed pulley, a sliding rail and a sliding table, the sliding rail is arranged on the ladder stand, the lower part of the sliding rail extends into the safety bin, the sliding table is connected with the sliding rail in a sliding manner, the driving motor is fixed on the tower body, and the driving motor is connected with the sliding table through a cable which bypasses the fixed pulley;

the safety cabin is a metal shell with an opening at the upper part, the air bag is laid on the annular wall on the inner side of the metal shell, and the inflation tank is arranged outside the safety cabin and is connected with the air bag through an air path.

According to the technical scheme, preferably, the sliding area of the sliding table is externally wrapped with the cylindrical channel.

According to the above technical scheme, preferably, the safety bin is provided with a buffer mechanism at the lower part of the slide rail, the buffer mechanism comprises a plurality of groups of buffer springs and buffer plates, and the upper and lower ends of each buffer spring are respectively connected with the bottom of the safety bin and the buffer plates.

According to above-mentioned technical scheme, preferably, be equipped with handrail and safety belt on the slip table, the body of the tower is located slip table department and is equipped with touch switch, and touch switch is connected with driving motor electricity.

According to the technical scheme, preferably, a sensor is arranged at the inlet of the safety bin and is electrically connected with the control valve of the inflation tank.

According to the technical scheme, preferably, a plurality of groups of reinforcing ribs are fixedly arranged outside the safety bin.

The utility model has the advantages that: the escape passage component of the utility model can enable the operator to be quickly transferred into the safety cabin from the cockpit, namely, the driving motor drives the operator and the sliding table to slide downwards through the cable which bypasses the fixed pulley; the safety bin is arranged between one fourth and one half of the tower body, so that when the tower body collapses and bends to the side face, the safety bin can greatly reduce the bending stress, and after an operator enters the safety bin, the air bag is rapidly filled by the inflation tank, so that the impact force is further reduced when the operator drops, and the protection effect is achieved for a tower crane driver.

Drawings

Fig. 1 shows a schematic front view structure according to an embodiment of the present invention.

Fig. 2 shows a schematic front view of a safety cabin according to an embodiment of the present invention.

In the figure: 1. a tower body; 2. an escape passage assembly; 3. a safety bin; 4. a drive motor; 5. a fixed pulley; 6. a slide rail; 7. a sliding table; 8. a cable; 9. an air bag; 10. an inflation tank; 11. a cylindrical passage; 12. a buffer mechanism; 1201. a buffer spring; 1202. a buffer plate; 13. a handrail; 14. a seat belt; 15. a sensor; 16. and reinforcing the fillet.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in the figure, the utility model provides a protective tower crane for protecting operators, which comprises a tower body 1, a suspension arm, a balance arm, a ladder stand, a tower cap, an escape channel component 2 and a safety bin 3, wherein, from the bottom end of the tower body to the top, the safety bin 3 is positioned between one fourth and one half of the tower body 1, the safety bin 3 is fixedly connected with the tower body 1, the escape channel component 2 is connected with an operating room and the safety bin 3, wherein,

the escape passage component 2 comprises a driving motor 4, a fixed pulley 5, a sliding rail 6 and a sliding table 7, the sliding rail 6 is fixed on a tower body on the side face of the crawling ladder, the lower part of the sliding rail 6 extends into the safety bin 3 and reaches the bottom of the safety bin 3, the sliding table 7 is in sliding connection with the sliding rail 6, the driving motor 4 is fixed on a tower cap, the driving motor 4 is connected with the sliding table 7 through a cable 8 which bypasses the fixed pulley 5, the speed of the driving motor 4 when driving an operator and the sliding table 7 to slide downwards is divided into two stages, the first stage is that the operator accelerates to a set speed, and the second stage is that the operator decelerates from the set speed and slides into the safety bin 3, so that the operator can enter the safety bin 3 at a higher speed;

the safety bin 3 is a metal shell with an opening at the upper part, when the tower crane is toppled, the upper part of the safety bin 3 is always kept in an upward state inclined at a certain angle, the air bag 9 is paved on the annular wall inside the metal shell, the inflation tank 10 is arranged outside the safety bin 3, the inflation tank 10 is connected with the air bag 9 through an air path, and after an operator enters the safety bin 3, the inflation tank 10 inflates the air bag 9 through the air path.

The specific operation flow is as follows:

when the tower crane begins to incline, because the tower crane inclines for a certain time, an operator can sense the inclination of the tower crane at the first time, when the tower crane inclines, the operator steps on the sliding table 7, because the sliding table 7 is connected with the sliding rail 6 in a sliding way, the driving motor 4 drives the operator and the sliding table 7 to slide downwards through the cable 8 which bypasses the fixed pulley 5, so that an operator slides into the safety bin 3, the safety bin 3 is positioned between one fourth and one half of the tower body 1, the safety bin 3 is fixedly connected with the tower body 1, it is thus possible not only to quickly reduce the collapse height of the operator, but also to protect the operator from the impact suffered by the bottom when the tower 1 collapses, because the air bag 9 on the inner side wall of the safety bin 3 is inflated by the inflation tank 10 on the safety bin 3, an operator is wrapped by the buffering air bag 9, when the safety bin 3 collapses with the tower 1, the inflatable air bag 9 will further reduce the impact force experienced by the operator.

According to the above embodiment, it is preferable that the sliding area of the sliding table 7 is externally wrapped with the tubular passage 11, and the tubular passage 11 can prevent an operator from being accidentally thrown out of the sliding table 7.

According to the above embodiment, preferably, the buffering mechanism 12 is disposed at the lower portion of the sliding rail 6 in the safety bin 3, the buffering mechanism 12 includes multiple sets of buffering springs 1201 and buffering plates 1202, the upper and lower ends of the buffering springs 1201 are respectively connected to the bottom of the safety bin 3 and the buffering plates 1202, although the driving motor 4 can slow down the speed of the operator entering the safety bin 3, the buffering mechanism 12 can further slow down the speed of the operator entering the safety bin 3, and protect the operator.

According to the above embodiment, preferably, the sliding platform 7 is provided with the armrest 13 and the safety belt 14, the tower body 1 is provided with the touch switch at the position of the sliding platform 7, the touch switch is electrically connected with the driving motor 4, and the armrest 13 and the safety belt 14 enable an operator to be tightly locked on the sliding platform 7, so as to further protect the operator.

According to the above embodiment, preferably, a sensor 15 is arranged at the inlet of the safety bin 3, the sensor 15 is electrically connected with a control valve of the inflator 10, and when the sensor 15 detects that a person falls into the safety bin 3, the inflator 10 automatically inflates the airbag 9 to quickly wrap the operator.

According to the above embodiment, preferably, a plurality of groups of reinforcing fillets 16 are fixedly arranged outside the safety bin 3 for reinforcing the overall rigidity of the safety bin 3.

The utility model has the advantages that: the escape passage component 2 of the utility model can enable the operator to be quickly transferred from the cockpit to the safety cabin 3, namely, the driving motor 4 drives the operator and the sliding table 7 to slide downwards through the cable 8 which bypasses the fixed pulley 5; safe storehouse 3 is located between 1 quarter to the half of tower body, therefore when the tower body 1 collapses to the side and buckles, the stress of buckling of avoiding the tower body bottom that safe storehouse 3 can very big limit to after the operator gets into safe storehouse 3, gas-filled tank 10 fills gasbag 9 fast, make the operator drop under the high condition, further reduce the impact force, thereby play the protection effect to the tower crane driver.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A protective tower crane for protecting operators comprises a tower body, a suspension arm, a balance arm, a ladder stand and a tower cap, and is characterized by further comprising an escape channel component and a safety bin, wherein the safety bin is positioned between one fourth and one half of the tower body, the safety bin is fixedly connected with the tower body, the escape channel component is connected with an operation room and the safety bin, wherein,

the escape passage assembly comprises a driving motor, a fixed pulley, a sliding rail and a sliding table, the sliding rail is arranged on the ladder stand, the lower part of the sliding rail extends into the safety bin, the sliding table is connected with the sliding rail in a sliding manner, the driving motor is fixed on the tower body, and the driving motor is connected with the sliding table through a cable which bypasses the fixed pulley;

the safety bin is a metal shell with an opening at the upper part, an air bag is laid on the annular wall on the inner side of the metal shell, an inflation tank is arranged outside the safety bin, and the inflation tank is connected with the air bag through an air path.

2. The protective tower crane for protecting operators according to claim 1, wherein a cylindrical channel is wrapped outside the sliding area of the sliding table.

3. The protective tower crane for protecting operators according to claim 2, wherein a buffer mechanism is arranged at the lower part of the slide rail in the safety bin, the buffer mechanism comprises a plurality of groups of buffer springs and buffer plates, and the upper end and the lower end of each buffer spring are respectively connected with the bottom of the safety bin and the buffer plates.

4. The protective tower crane for protecting an operator according to claim 3, wherein a handrail and a safety belt are arranged on the sliding table, a touch switch is arranged at the position, located on the sliding table, of the tower body, and the touch switch is electrically connected with the driving motor.

5. The protective tower crane for protecting operators according to claim 4, wherein a sensor is arranged at an inlet of the safety bin, and the sensor is electrically connected with a control valve of an air charging tank.

6. The protective tower crane for protecting operators according to claim 5, wherein a plurality of groups of reinforcing ribs are fixedly arranged outside the safety bin.