Tower crane with protective structure

Abstract

The utility model discloses a tower crane with a protective structure, which comprises a tower body, the top surface of the tower body is rotatably connected with a rotary joint, the top of the rotary joint is fixedly connected with a support layer, the side surface of the support layer is fixedly connected with a working platform, the working platform is fixedly connected with a cockpit, and the cockpit is fixedly connected with the protective structure. A top plate is fixedly connected into the supporting layer, a first fixed pulley is fixedly connected to the top end of the top plate, and a tying rope is movably connected into the first fixed pulley. By means of the structure, certain power can be provided for a driver when the driver climbs the climbing frame through the two fixed pulley mechanisms, the driver is more labor-saving, the two fixed pulley mechanisms are matched with the lock catches, and when the driver has an accident during climbing, the driver can climb the climbing frame through the lock catches. The motor drives the pulley block to slowly drive the driver to ascend or descend, and a certain protection effect is achieved when the driver climbs.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction equipment, in particular to a tower crane with a protective structure. Background Art

[0002] In the existing tower crane, the driver may accidentally fall when climbing, causing safety hazards, and may feel tired when climbing. For example, a transition section and a tower crane disclosed in a Chinese patent, whose application number is: 202222296036.1, the transition section includes: a frame, the frame includes a main chord, the main chord is arranged along a first direction and arranged in a rectangular shape; a transition platform is arranged in a rectangular area surrounded by the main chord, and a first passage opening is formed at the transition platform; a first ladder extends from the bottom of the transition section through the first passage opening to the top of the transition platform; a second ladder extends from the top of the transition platform to the top of the transition section; wherein the first ladder and the second ladder both extend along the first direction, the top end of the first ladder and the bottom end of the second ladder overlap and are arranged at intervals, and the climbing surface of the second ladder is located on the side of the second ladder away from the first passage opening. Although the possibility of injury to the operator can be reduced through the transition platform, there are still certain safety hazards, and the operator will still be injured when falling, which has certain limitations. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a tower crane with a protective structure. Through the two sets of fixed pulley mechanisms, a certain amount of power can be provided to the driver when the driver is climbing the climbing frame, so that the driver can save more effort. Through the cooperation of the two sets of fixed pulley mechanisms and the lock buckle, when the driver encounters an accident while climbing, the pulley group is driven by the motor to slowly drive the driver to rise or descend, which plays a certain protective role for the driver when climbing.

[0004] The utility model also provides a tower crane with the above-mentioned protective structure, comprising: a tower body, the top surface of the tower body is rotatably connected with a slewing joint, the top of the slewing joint is fixedly connected with a supporting layer, the side surface of the supporting layer is fixedly connected with a working platform, the working platform is fixedly connected with a cockpit, the interior of the supporting layer is fixedly connected with a top plate, the top end of the top plate is fixedly connected with a first fixed pulley, the interior of the tower body is fixedly connected with a climbing frame, the bottom of the climbing frame is fixedly connected with a bottom plate, the top surface of the bottom plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a second fixed pulley, the interior of the first fixed pulley is movably connected with a bolt rope, one end of the bolt rope is fixedly connected to the interior of the second fixed pulley, The other end of the bolt rope passes through the first fixed pulley, and one end of the bolt rope away from the second fixed pulley is fixedly connected with a lock buckle, the top plate is provided with a through square hole, the top surface of the support layer is fixedly connected with a suspension arm, the suspension arm is divided into a suspension arm and a balance arm, the top of the suspension arm is fixedly connected with a second fixed support, the second fixed support is fixedly connected with a fixed suspension arm, one end of the fixed suspension arm away from the second fixed support is fixedly connected with a tower cap, the bottom end of the balance arm of the suspension arm is fixedly connected with a counterweight, the bottom end of the suspension arm of the suspension arm is slidably connected with a sliding block, the bottom end of the suspension arm of the suspension arm is slidably connected with a sliding block, the sliding block is movably connected with a pulley block inside, and the pulley block is slidably connected with a hook. Through the above components, through the two sets of fixed pulley mechanisms, the driver can be provided with a certain amount of power when climbing the climbing frame, so that the driver can save more effort.

[0005] According to the tower crane with a protective structure described in the utility model, the bottom and top of the tower body are fixedly connected to a base, the four corners of the base are fixedly connected to fixed hinge supports, and the tower body is composed of four support frames. Through the above components, the tower body can be stabilized and will not shake.

[0006] According to the tower crane with a protective structure described in the utility model, the four support frames of the tower body are fixedly connected with a first fixed support, the interior of the fixed hinge support is fixedly connected with a support rod, and one end of the support rod away from the fixed hinge support is fixedly connected to the first fixed support. The tower body can be further stabilized by the above components.

[0007] According to the tower crane with a protective structure described in the utility model, the base at the top and the base at the bottom are fixedly connected by a connecting rod, the side surface of the connecting rod is fixedly connected with a sleeve, the side surface of the sleeve is fixedly connected with a connecting rod, the end of the connecting rod away from the sleeve is fixedly connected with a fixing block, and the end of the fixing block away from the connecting rod is fixedly connected to the tower body. Through the above components, the tower body can be further stabilized to avoid accidents when the driver climbs.

[0008] According to the tower crane with a protective structure described in the utility model, a fence is fixedly connected around the working platform. Through the above components, the driver can be prevented from accidentally falling from a height.

[0009] According to the tower crane with a protective structure described in the utility model, the second fixed pulley is located on the side surface of the climbing frame, and the lock is located directly in front of the climbing frame. Through the above components, the driver can climb in the direction of the lock.

[0010] According to the tower crane with a protective structure described in the utility model, the four corners of the top surface of the support layer are fixedly connected with the tower top, and the top of the tower top is fixedly connected with the tower cap. Through the above components, the tower top and the tower body of the tower crane are protected to prevent the influence and damage of external factors on the tower crane.

[0011] According to the tower crane with a protective structure described in the utility model, three fixed booms are provided, and are respectively arranged on the balance arm and the boom. Through the above components, the suspension arm can be stabilized to enable it to work normally.

[0012] Beneficial effects:

[0013] 1. Compared with the prior art, the tower crane with a protective structure can provide a certain amount of power to the driver when climbing the climbing frame through the two sets of fixed pulley mechanisms, making the driver more labor-saving.

[0014] 2. Compared with the prior art, the tower crane with a protective structure cooperates with the lock through the two sets of fixed pulley mechanisms. When the driver encounters an accident while climbing, the pulley group is driven by the motor to slowly drive the driver up or down, which plays a certain protective role for the driver when climbing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is the overall structural diagram of the tower crane with a protective structure of the utility model;

[0017] Figure 2 The utility model is a tower crane with a protective structure Figure 1 A magnified structural diagram;

[0018] Figure 3 The figure is the internal structure diagram of the tower body of the tower crane with a protective structure of the utility model;

[0019] Figure 4 The utility model is a tower crane with a protective structure Figure 3 The enlarged structure diagram at B;

[0020] Figure 5 The utility model is a tower crane with a protective structure Figure 3 Enlarged structure diagram at C.

[0021] Legend:

[0022] 1. Tower body; 2. Base; 3. Support rod; 4. Fixed hinge support; 5. First fixed support; 6. Connecting rod; 7. Fixed block; 8. Bushing; 9. Swivel joint; 10. Support layer; 11. Suspension arm; 12. Sliding block; 13. Hook; 14. Fixed boom; 15. Tower cap; 16. Tower top; 17. Second fixed support; 18. Counterweight; 19. Top plate; 20. First fixed pulley; 21. Bolt rope; 22. Climbing frame; 23. Cockpit; 24. Lock; 25. Second fixed pulley; 26. Motor; 27. Bottom plate. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-5 The utility model embodiment is a tower crane with a protective structure, comprising: a tower body 1, the bottom and the top of the tower body 1 are fixedly connected to a base 2, the tower body 1 is limited, the four corners of the base 2 are fixedly connected to a fixed hinge support 4, the tower body 1 is stabilized, the tower body 1 is fixedly connected to a climbing frame 22, the base 2 at the bottom is fixedly connected to a bottom plate 27, an electric motor 26, a second fixed pulley 25 and a connection climbing frame 22 are arranged, the top of the bottom plate 27 is fixedly connected to the climbing frame 22, and the driver is convenient to climb the cockpit 23, the bottom plate 2 The top surface of 7 is fixedly connected with a motor 26, and the output end of the motor 26 is fixedly connected with a second fixed pulley 25 to provide power for the second fixed pulley 25. The top base 2 is fixedly connected with the bottom base 2 through a connecting rod 6 to further limit the tower body 1. The side surface of the connecting rod 6 is fixedly connected with a sleeve 8 to prevent the connecting rod from slipping. The side surface of the sleeve 8 is fixedly connected with a connecting rod, and the end of the connecting rod away from the sleeve 8 is fixedly connected with a fixed block 7 to connect the connecting rod 6. The end of the fixed block 7 away from the connecting rod is fixedly connected to the tower body 1 to stabilize the tower body 1.

[0025] The tower body 1 is composed of four support frames, and the four support frames of the tower body 1 are fixedly connected with the first fixed support 5, on which the support rod 3 is placed. The fixed hinge support 4 is fixedly connected with the support rod 3 inside, and the end of the support rod 3 away from the fixed hinge support 4 is fixedly connected to the first fixed support 5 to further stabilize the tower body 1. The top surface of the tower body 1 is rotatably connected with a slewing joint 9 to rotate the suspension arm 11. The top of the slewing joint 9 is fixedly connected with a support layer 10 to support the suspension arm 11. The side surface of the support layer 10 is fixedly connected with a working platform to facilitate the driver to land. The working platform is fixedly connected with a cockpit 23 to provide an operating space for the driver. A circle of fences is fixedly connected around the working platform to prevent the driver from falling. The inside of the support layer 10 is fixedly connected with a top plate 19, and a first fixed pulley 20 is installed. A first fixed pulley 20 is fixedly connected to the top of the top plate 19, so that the driver can rise and fall. A bolt rope 21 is movably connected inside the first fixed pulley 20. One end of the bolt rope 21 is fixedly connected to the inside 25 of the second fixed pulley. The end of the bolt rope 21 away from the second fixed pulley 25 is fixedly connected to a lock buckle 24 to lock the driver. The second fixed pulley 25 is located on the side surface of the climbing frame 22, and the lock buckle 24 is located directly in front of the climbing frame 22. A through square hole is opened in the top plate 19 to facilitate the passage of the bolt rope 21. A suspension arm 11 is fixedly connected to the top surface of the supporting layer 10 to suspend heavy objects. The four corners of the top surface of the supporting layer 10 are fixedly connected to the tower top 16. The top of the tower top 16 is fixedly connected to the tower cap 15 to protect the tower top and tower body of the tower crane and prevent external factors from affecting and damaging the tower crane.

[0026] The suspension arm 11 is divided into a boom and a balance arm. The top of the suspension arm 11 is fixedly connected with a second fixed support 17 to stabilize the suspension arm 11. A fixed boom 14 is fixedly connected inside the second fixed support 17 to connect the suspension arm 11. The end of the fixed boom 14 away from the second fixed support 17 is fixedly connected to the tower cap 15. Three fixed booms 14 are provided, and are respectively arranged on the balance arm and the boom to stabilize the suspension arm and enable it to work normally. A counterweight 18 is fixedly connected to the bottom end of the balance arm of the suspension arm 11 to balance the fuselage and the weight and adjust the hoisted weight. The bottom end of the boom of the suspension arm 11 is slidably connected with a sliding block 12 to control the distance of the lifted object. The bottom end of the sliding block 12 is fixedly connected with a hook 13 to lift the lifted object.

[0027] Working principle: when the driver climbs up, the lock buckle 24 is locked on the driver, and then the motor 26 is started to make it rotate forward, and the driver is driven to climb up to the cab, and then the motor 26 is turned off and the lock buckle 24 is unlocked. When the driver accidentally falls while climbing the climbing frame 22, the lock buckle 24 is locked on the driver, and then the motor 26 drives the pulley block to slowly drive the driver up. When the driver climbs down, the lock buckle 24 is also locked on the driver, and then the motor 26 is started to reverse it, driving the driver downward. When an accident occurs, the lock buckle 24 is locked on the driver, and the pulley block is driven by the motor 26 to slowly drive the driver down to prevent the driver from falling and causing casualties. The driver manipulates the suspension arm 11 to rotate through the slewing joint 9, lifts the load by controlling the hook 13 to rise and fall, and controls the left and right positions of the load by controlling the sliding block 12.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A tower crane with a protective structure, characterized in that: include: A tower body (1), wherein the top surface of the tower body (1) is rotatably connected to a swivel joint (9), the top of the swivel joint (9) is fixedly connected to a support layer (10), the side surface of the support layer (10) is fixedly connected to a working platform, the working platform is fixedly connected to a cockpit (23), the interior of the support layer (10) is fixedly connected to a top plate (19), the top end of the top plate (19) is fixedly connected to a first fixed pulley (20), the interior of the tower body (1) is fixedly connected to a climbing frame (22), the bottom of the climbing frame (22) is fixedly connected to a bottom plate (27), the bottom plate (27) The top surface of the support layer (10) is fixedly connected to a motor (26), the output end of the motor (26) is fixedly connected to a second fixed pulley (25), the first fixed pulley (20) is internally movably connected to a tether (21), one end of the tether (21) is fixedly connected to the inside of the second fixed pulley (25), the other end of the tether (21) passes through the first fixed pulley (20), the end of the tether (21) away from the second fixed pulley (25) is fixedly connected to a lock buckle (24), the top plate (19) is provided with a through square hole, and the top surface of the support layer (10) is fixedly connected to a suspension arm (11); The suspension arm (11) is divided into a suspension arm and a balance arm. The top of the suspension arm (11) is fixedly connected to a second fixed support (17), the second fixed support (17) is fixedly connected to a fixed suspension arm (14), one end of the fixed suspension arm (14) away from the second fixed support (17) is fixedly connected to a tower cap (15), the bottom end of the balance arm of the suspension arm (11) is fixedly connected to a counterweight (18), the bottom end of the suspension arm of the suspension arm (11) is slidably connected to a sliding block (12), the sliding block (12) is movably connected to a pulley block inside, and the pulley block is slidably connected to a hook (13).

2. A tower crane with a protective structure according to claim 1, characterized in that: The bottom and top of the tower body (1) are fixedly connected to a base (2), and the four corners of the base (2) are fixedly connected to fixed hinge supports (4). The tower body (1) is composed of four support frames.

3. The tower crane with a protective structure according to claim 2, characterized in that: The four support frames of the tower body (1) are fixedly connected to a first fixed support (5), the interior of the fixed hinge support (4) is fixedly connected to a support rod (3), and one end of the support rod (3) away from the fixed hinge support (4) is fixedly connected to the first fixed support (5).

4. The tower crane with a protective structure according to claim 2, characterized in that: The base (2) at the top end is fixedly connected to the base (2) at the bottom end via a connecting rod (6); a shaft sleeve (8) is fixedly connected to the side surface of the connecting rod (6); a connecting rod is fixedly connected to the side surface of the shaft sleeve (8); a fixing block (7) is fixedly connected to the end of the connecting rod away from the shaft sleeve (8); and an end of the fixing block (7) away from the connecting rod is fixedly connected to the tower body (1).

5. The tower crane with a protective structure according to claim 1, characterized in that: A fence is fixedly connected around the working platform.

6. The tower crane with a protective structure according to claim 1, characterized in that: The second fixed pulley (25) is located on the side surface of the climbing frame (22), and the locking buckle (24) is located right in front of the climbing frame (22).

7. The tower crane with a protective structure according to claim 1, characterized in that: The four corners of the top surface of the support layer (10) are fixedly connected with a tower top (16), and the top of the tower top (16) is fixedly connected with a tower cap (15).

8. The tower crane with a protective structure according to claim 1, characterized in that: The fixed suspension arms (14) are provided in three numbers and are respectively arranged on the balance arm and the suspension arm.

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