CN213326444U

CN213326444U - Safety protection mechanism in process of tower crane top lifting joint

Info

Publication number: CN213326444U
Application number: CN202021657280.0U
Authority: CN
Inventors: 顾佳琦; 王梦颖
Original assignee: Nantong Pangyuan Mechanical Engineering Co ltd
Current assignee: Nantong Pangyuan Mechanical Engineering Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-06-01
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a tower crane top lift festival in-process safety protection mechanism, including jacking cover frame, cutting ferrule and safety rope, the extension frame is installed to the below of jacking cover frame, and the inside of extension frame is provided with the ball, the inboard of jacking cover frame is provided with the standard socket, and the right side of standard socket is connected with the guided way, the internally mounted of guided way has guide roller, the telescopic link is all installed to both sides around the standard socket, and installs the support frame below of telescopic link, the cutting ferrule is installed in the below of support frame, and the internally connected with fastening bolt of cutting ferrule, the slide rail is installed in the top outside of jacking cover frame, and the inboard of slide rail is provided with the slider. The safety rope is connected below the sliding block, and a safety guardrail is arranged below the safety rope. This tower crane top lift festival in-process safety protection mechanism can guarantee tower crane's stability at the in-process of top lift festival, prevents the slope, and is convenient for protect constructor's safety.

Description

Safety protection mechanism in process of tower crane top lifting joint

Technical Field

The utility model relates to a tower crane technical field specifically is a tower crane top lift festival in-process safety protection mechanism.

Background

The tower crane is a vertical transportation device widely applied to construction sites, and is a self-elevating type and an outer side jacking type, and the jacking structure of the tower crane comprises a jacking sleeve frame and a standard joint, wherein the standard joint is vertically fixed on a foundation, the jacking sleeve frame is installed on the upper standard joint, a hydraulic oil cylinder is used for generating a downward jacking force to drive the jacking sleeve frame to move upwards, constructors stand in the jacking sleeve frame to operate, so that the self-elevating of the tower crane can be realized, the material hoisting work aiming at tall buildings can be facilitated, and the manual saving is realized.

The utility model provides a tower crane top lift festival protection machanism is not convenient for prevent the slope that the hoist of the in-process of jacking leads to because of both sides atress inequality in the use of tower crane top lift festival protection machanism on market, and the connected mode between elevating gear and the standard socket is too troublesome moreover to can not guarantee safety, to the not enough problem of the lift adjustment personnel's of tower crane safeguard measure, for this reason, we provide a tower crane top lift festival in-process safety protection machanism.

Disclosure of Invention

An object of the utility model is to provide a tower crane top lift festival in-process safety protection mechanism to solve the tower crane jacking protection mechanism who provides among the above-mentioned background art in the use slope that the in-process hoist of jacking leads to because of the both sides atress inequality is not convenient for prevent, moreover the connected mode between elevating gear and the standard socket is too troublesome, and can not guarantee safety, to the not enough problem of the lift adjustment personnel's of tower crane safeguard measure.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tower crane top lift festival in-process safety protection mechanism, includes jacking cover frame, cutting ferrule and safety rope, the extension frame is installed to the below of jacking cover frame, and the inside of extension frame is provided with the ball, the inboard of jacking cover frame is provided with the standard socket, and the right side of standard socket is connected with the guided way, the internally mounted of guided way has guide roller, the telescopic link is all installed to both sides around the standard socket, and the below of telescopic link installs the support frame, the cutting ferrule is installed in the below of support frame, and the internally connected with fastening bolt of cutting ferrule, the slide rail is installed in the top outside of jacking cover frame, and the inboard of slide rail is provided with the slider. The safety rope is connected below the sliding block, and a safety guardrail is arranged below the safety rope.

Preferably, a full-surrounding structure is formed between the extension frame and the standard socket, and the ball is tightly attached to the outer side face of the standard socket.

Preferably, a rolling structure is formed between the guide rail and the guide roller, and the guide rail is connected with the clamping sleeve in a welding manner.

Preferably, the connection mode between the telescopic rod and the upper top surface of the jacking sleeve frame is fixed connection, and the telescopic rod is symmetrical about the vertical center line of the jacking sleeve frame.

Preferably, the clamping sleeve forms a detachable structure with the standard socket through a fastening bolt, and the clamping sleeve is fixedly connected with the support frame.

Preferably, the slide rail forms a sliding structure with the safety rope through the slide block, and the safety rope is of an elastic structure.

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

1. the safety protection mechanism in the process of jacking the lifting joint of the tower crane is provided with the extension frame and the balls, so that the connection between the jacking sleeve frame and the standard sleeve joint can be enhanced in the process of jacking the lifting joint, the phenomenon that the tower crane inclines due to uneven weight of two sides because the standard sleeve joint is lost in the process of installing or disassembling the standard sleeve joint, and the safety in the process of jacking the lifting joint can be ensured by utilizing the extension frame;

2. the guide rails and the guide rollers are arranged, so that the standard socket can be guided to be removed or moved in the installation or disassembly process of the standard socket, the phenomenon that the standard socket shakes during the installation process and is difficult to install is avoided, the telescopic rods are arranged, the jacking sleeve frame can climb on the standard socket by self, external force is not needed, the jacking force in the lifting process can be ensured to be uniform by the aid of the two telescopic rods, and the inclination can be avoided;

3. set up the cutting ferrule, help the support frame and standard socket can be convenient for be connected, make things convenient for the telescopic link to carry out the top and go up and down to save the action, and can be convenient for the installation and the dismantlement of cutting ferrule and standard socket through fastening bolt, be convenient for the construction, improve security and work efficiency, set up the safety rope, be the personal safety in order to guarantee constructor, strengthen the assurance to the constructor, and utilize the mutual sliding action of slide rail and slider, can make things convenient for constructor to carry out the shift position when the construction, can not injectd the position, the constructor of being convenient for operates.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the structure of the present invention;

fig. 3 is a schematic view of the overlooking structure of the extension frame and the standard socket of the present invention.

In the figure: 1. jacking sleeve frames; 2. an extension frame; 3. a ball bearing; 4. a standard socket; 5. a guide rail; 6. a guide roller; 7. a telescopic rod; 8. a support frame; 9. a card sleeve; 10. fastening a bolt; 11. a slide rail; 12. a slider; 13. a safety cord; 14. safety guardrails.

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. 1-3, the present invention provides a technical solution: a safety protection mechanism in the process of a tower crane top lifting joint comprises a jacking sleeve frame 1, an extension frame 2, balls 3, standard sleeves 4, guide rails 5, guide rollers 6, telescopic rods 7, support frames 8, clamping sleeves 9, fastening bolts 10, slide rails 11, sliders 12, safety ropes 13 and safety guardrails 14, wherein the extension frame 2 is installed below the jacking sleeve frame 1, the balls 3 are arranged inside the extension frame 2, the standard sleeves 4 are arranged inside the jacking sleeve frame 1, the guide rails 5 are connected to the right sides of the standard sleeves 4, the guide rollers 6 are installed inside the guide rails 5, the telescopic rods 7 are installed on the front side and the rear side of the standard sleeves 4, the support frames 8 are installed below the telescopic rods 7, the clamping sleeves 9 are installed below the support frames 8, the clamping sleeves 9 are connected inside the clamping sleeves 9, the fastening bolts 10 are connected inside the clamping sleeves 9, the slide rails 11 are installed outside the upper portion of the jacking sleeve frame 1, and a slide block 12 is arranged on the inner side of the slide rail 11. A safety rope 13 is connected below the sliding block 12, and a safety guardrail 14 is arranged below the safety rope 13;

the extension frame 2 and the standard socket 4 form a full-surrounding structure, the ball 3 is tightly attached to the outer side surface of the standard socket 4, the extension frame 2 and the ball 3 are arranged, the connection between the jacking socket 1 and the standard socket 4 can be strengthened in the jacking and section-descending process, the phenomenon that the tower crane inclines due to uneven weight of two sides is avoided in the installation or disassembly process of the standard socket 4, the connection between the standard socket 4 and the jacking socket 1 is unstable due to the loss of the standard socket 4, the safety in the jacking and section-descending process can be guaranteed by using the extension frame 2, a rolling structure is formed between the guide rail 5 and the guide roller 6, the guide rail 5 and the clamping sleeve 9 are connected in a welding manner, the guide rail 5 and the guide roller 6 are arranged, the removal or the transfer of the standard socket 4 can be guided in the installation or disassembly process of the standard socket 4, the lifting sleeve frame is characterized in that shaking during installation is avoided, the installation is difficult, the connecting mode between the telescopic rods 7 and the upper top surface of the lifting sleeve frame 1 is fixed connection, the telescopic rods 7 are symmetrical about the vertical central line of the lifting sleeve frame 1, the telescopic rods 7 are arranged so that the lifting sleeve frame 1 can automatically climb on the standard socket 4 without external force, and the uniform lifting force during lifting can be ensured by using the two telescopic rods 7 so as to avoid inclination;

the cutting sleeve 9 forms a detachable structure with the standard socket 4 through the fastening bolt 10, the cutting sleeve 9 is fixedly connected with the support frame 8, the cutting sleeve 9 is arranged to facilitate the connection between the support frame 8 and the standard socket 4 and the lifting joint action of the telescopic rod 7, moreover, the clamping sleeve 9 and the standard socket 4 can be conveniently assembled and disassembled through the fastening bolt 10, the construction is convenient, the safety and the working efficiency are improved, the sliding rail 11 forms a sliding structure through the sliding block 12 and the safety rope 13, the safety rope 13 is elastic, and the safety rope 13 is arranged to ensure the personal safety of constructors, strengthen the assurance to the constructor, utilize the mutual sliding action of slide rail 11 and slider 12 moreover, can make things convenient for the constructor to carry out the shift position when the construction, can not inject the position, the constructor of being convenient for operates.

The working principle is as follows: for the safety protection mechanism in the process of jacking and lifting joints of the tower crane, firstly, when the tower crane is installed, the jacking sleeve frame 1 is required to be sleeved on the standard sleeve joint 4, then the clamping sleeve 9 is clamped on the standard sleeve joint 4 and fixed by the fastening bolt 10 in the process of needing lifting, so that the supporting frame 8 can be supported, then the lower end of the telescopic rod 7 is abutted against the supporting frame 8 and the telescopic rod 7 is extended, because the top end of the telescopic rod 7 is abutted against the jacking sleeve frame 1, the telescopic rod 7 can drive the jacking sleeve frame 1 to be lifted, after lifting, a gap can be formed in the middle of the jacking sleeve frame 1, then the standard sleeve joint 4 is placed on the guide rail 5, the standard sleeve joint 4 is pushed into the gap by rolling of the guide roller 6 and is installed and fixed on other standard sleeve joints 4, so that the tower crane can be lifted, in addition, in the lifting process, because a gap is formed between the lifting sleeve frame 1 and the standard socket 4, the gravity center of the lifting sleeve frame 1 is lifted, and the phenomenon of instability is caused, therefore, the stability is ensured by the connection between the extension of the extension frame 2 and the standard socket 4, and the extension frame 2 is driven to move when the jacking sleeve frame 1 rises, and the extension frame 2 moves on the outer side surface of the standard socket 4 by using the rolling balls 3, so that the friction force can be reduced, the stability of the extension frame 2 and the standard socket 4 can be improved, and the extension frame can stand on the safety guard 14 during the operation of workers, and the safety rope 13 is tied to ensure safety, and the safety rope 13 can slide left and right through the slide rail 11 and the slide block 12, the constraint on the staff can be reduced, the mobility of the staff is increased, and the using process of the safety protection mechanism in the whole process of the tower crane top lifting joint is completed.

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 top lift festival in-process safety protection mechanism, includes jacking stock (1), cutting ferrule (9) and safety rope (13), its characterized in that: an extension frame (2) is arranged below the jacking sleeve frame (1), balls (3) are arranged in the extension frame (2), a standard socket (4) is arranged on the inner side of the jacking sleeve frame (1), and the right side of the standard socket (4) is connected with a guide rail (5), a guide roller (6) is arranged in the guide rail (5), the front side and the rear side of the standard socket (4) are both provided with telescopic rods (7), a supporting frame (8) is arranged below the telescopic rod (7), the cutting sleeve (9) is arranged below the supporting frame (8), and the interior of the cutting sleeve (9) is connected with a fastening bolt (10), the outer side of the upper part of the jacking sleeve frame (1) is provided with a slide rail (11), and the inner side of the sliding rail (11) is provided with a sliding block (12), the safety rope (13) is connected below the sliding block (12), and a safety guardrail (14) is arranged below the safety rope (13).

2. The safety protection mechanism in the process of the tower crane top lifting joint according to claim 1, characterized in that: and a full-surrounding structure is formed between the extension frame (2) and the standard socket (4), and the balls (3) are tightly attached to the outer side surface of the standard socket (4).

3. The safety protection mechanism in the process of the tower crane top lifting joint according to claim 1, characterized in that: a rolling structure is formed between the guide rail (5) and the guide roller (6), and the guide rail (5) is connected with the clamping sleeve (9) in a welding manner.

4. The safety protection mechanism in the process of the tower crane top lifting joint according to claim 1, characterized in that: the connecting mode between the upper top surface of the telescopic rod (7) and the jacking sleeve frame (1) is fixed connection, and the telescopic rod (7) is symmetrical about the vertical center line of the jacking sleeve frame (1).

5. The safety protection mechanism in the process of the tower crane top lifting joint according to claim 1, characterized in that: the clamping sleeve (9) forms a detachable structure with the standard socket (4) through a fastening bolt (10), and the clamping sleeve (9) is fixedly connected with the support frame (8).

6. The safety protection mechanism in the process of the tower crane top lifting joint according to claim 1, characterized in that: the sliding rail (11) and the safety rope (13) form a sliding structure through the sliding block (12), and the safety rope (13) is of an elastic structure.