A tower crane lifting device with anti-falling structure

Abstract

The utility model relates to the technical field of tower crane safety facilities, and discloses a tower crane jacking device with an anti-falling structure, including a standard section assembly, a jacking assembly is arranged on the outside of the standard section assembly, and a tower crane assembly is arranged on the upper end of the jacking assembly. The tower crane jacking device with an anti-falling structure is provided with a hydraulic cylinder. When installing the jacking assembly, the fixed frame, the top frame and the standard section body are first locked and connected by anchor bolts, the hydraulic cylinder is started to shorten the hydraulic cylinder stroke, the bottom frame is moved to an appropriate position, the bottom frame, the cross frame and the standard section body are locked and connected by anchor bolts, the fixed frame, the top frame and the standard section body are separated, the hydraulic cylinder is started to increase the stroke of the hydraulic cylinder, the tower crane assembly is jacked, until the distance between the tower crane assembly and the standard section assembly below is greater than the height of a single standard section assembly, and the standard section assembly is installed. Four hydraulic cylinders are provided to make the jacking operation smooth and avoid falling.

Description

Technical Field

[0001] The utility model relates to the technical field of tower crane safety facilities, in particular to a tower crane jacking device with an anti-falling structure. Background Art

[0002] In the process of building high-rise buildings, tower cranes are needed to transport construction materials. As the height of the building increases, the tower crane also needs to increase its own height accordingly. In the process of using the tower crane lifting device to increase the height of the tower crane, people need to use standard sections to increase the height of their own supporting structure. The traditional method relies on simple clamping, and the standard section has the risk of falling during use. Therefore, a tower crane lifting device with an anti-falling structure is needed to solve the above problem.

[0003] Chinese invention patent announcement number: CN112249929A, discloses: a tower crane lifting device with an anti-falling structure, the tower crane lifting device with an anti-falling structure, by setting a clamping seat and a sixth bevel gear, rotating the locking rod can drive two sets of embedding mechanisms to embed into the interior of the standard section, so that when the standard section is clamped and fixed, the movement of the standard section in the vertical direction is restricted by the fixing pin embedded in the interior of the standard section to prevent the standard section from falling, thereby improving the safety and practicality of the device, but the structure of the device is relatively complex, the manufacturing is relatively difficult, and there is no safety platform, which is not conducive to the maintenance work of the staff. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a tower crane jacking device with an anti-falling structure, which can effectively solve the problems in the prior art that the jacking device has a relatively complex structure, is difficult to manufacture, and has no safety platform, which is not conducive to maintenance work for workers.

[0005] The technical solution adopted by the utility model is: a tower crane jacking device with an anti-falling structure, comprising a standard section assembly, a jacking assembly is arranged on the outside of the standard section assembly, and a tower crane assembly is arranged on the upper end of the jacking assembly;

[0006] The jacking assembly includes a fixed frame, a slide groove, a fixed walking platform, a base frame, a bottom walking platform, a hydraulic cylinder, a connecting frame, a cross frame, a top frame, a movable groove, a motor, a screw rod and a movable transport piece. The front end of the fixed frame is provided with a slide groove, the rear end of the fixed frame is fixedly connected to the fixed walking platform, the front end of the fixed frame is provided with a base frame, the outer side of the base frame is fixedly connected to the bottom walking platform, the upper end of the base frame is fixedly connected to the hydraulic cylinder, the inner side of the fixed frame is fixedly connected to the connecting frame, the inner side of the base frame is fixedly connected to the cross frame, the front end of the fixed frame is provided with a top frame, the inner side of the top frame is provided with a movable groove, the front end of the top frame is fixedly connected to the motor, the lower end of the top frame is rotatably connected to the screw rod, and the inner side of the top frame is provided with a movable transport piece.

[0007] Preferably, the standard section assembly comprises a standard section body and a connecting piece, and the connecting piece is arranged on the outer side of the standard section body.

[0008] Through the above technical scheme, a connecting piece is set, and when multiple standard section components are installed, the connecting piece is locked by bolts to complete the installation. A jacking component is set, and when the jacking component is used, a tower crane component is installed on the upper end, and the tower crane component is lifted by the jacking component. After lifting to an appropriate height, the standard section component is installed.

[0009] Preferably, the fixed frame, the slide groove, the bottom frame, the bottom walking platform, the top frame, the movable groove, the motor, the screw rod and the movable transport member are all provided with two identical groups, and the bottom frame and the top frame are both slidably connected with the slide groove.

[0010] Through the above technical scheme, a fixed frame, a bottom frame and a top frame are set up, a connecting frame is fixedly connected between the two fixed frames, and a cross frame is fixedly connected between the two bottom frames. The structural strength is high. When lifting, the top frame and the bottom frame can move upward or downward along the movable groove of the fixed frame, and the lifting is relatively stable.

[0011] Preferably, the output end of the hydraulic cylinder is fixedly connected to the top frame, and the standard section assembly is adapted to the jacking assembly.

[0012] Through the above technical scheme, a hydraulic cylinder is set. When installing the jacking assembly, the fixed frame, the top frame and the standard section body are first locked and connected by anchor bolts, the hydraulic cylinder is started to shorten the stroke of the hydraulic cylinder, the bottom frame is moved to the appropriate position, the bottom frame, the cross frame and the standard section body are locked and connected with anchor bolts, the fixed frame, the top frame and the standard section body are separated, the hydraulic cylinder is started to increase the stroke of the hydraulic cylinder, and the tower crane assembly is jacked up until the distance between the tower crane assembly and the standard section assembly below is greater than the height of a single standard section assembly, and the standard section assembly is installed. Four hydraulic cylinders are set to make the jacking operation smooth and avoid falling.

[0013] Preferably, the width of the top frame is the same as that of the bottom frame, and the width of the top frame is greater than twice the width of the standard section assembly.

[0014] Through the above technical solution, a bottom walking platform is arranged on the outside of the base frame, and a fixed walking platform is arranged on the rear end of the fixed frame, which is convenient for workers to carry out installation work and is safer.

[0015] Preferably, the movable transport member is slidably connected to the movable groove, the screw rod is threadedly connected to the movable transport member, and the movable transport member is adapted to the standard section body.

[0016] Through the above technical scheme, a movable transport piece is set. When the distance between the tower crane assembly and the standard section assembly below is greater than the height of a single standard section assembly, the tower crane assembly is used to hoist the standard section assembly to be added and transport it between the top frame and the bottom frame. The movable transport piece is bolted and connected to the standard section body. The motor is started to drive the screw rod to rotate, driving the movable transport piece to move to the left along the movable groove until the added standard section assembly corresponds to the standard section assembly below. It is fixed with bolts, and the installation is more convenient.

[0017] Compared with the prior art, the utility model provides a tower crane lifting device with an anti-falling structure, which has the following beneficial effects:

[0018] 1. The tower crane jacking device with an anti-falling structure is provided with a fixed frame, a bottom frame and a top frame. The two fixed frames are fixedly connected with a connecting frame, and the two bottom frames are fixedly connected with a cross frame. The structure has high strength. When lifting, the top frame and the bottom frame can move upward or downward along the moving groove of the fixed frame. The lifting is relatively stable. A hydraulic cylinder is provided. When installing the jacking assembly, the fixed frame, the top frame and the standard section body are first locked and connected by anchor bolts, and the hydraulic cylinder is started to shorten the stroke of the hydraulic cylinder to move the bottom frame to an appropriate position. The bottom frame, the cross frame and the standard section body are locked and connected with the anchor bolts, and the fixed frame, the top frame and the standard section body are separated. The hydraulic cylinder is started to increase the stroke of the hydraulic cylinder, and the tower crane assembly is lifted until the distance between the tower crane assembly and the standard section assembly below is greater than the height of a single standard section assembly, and the standard section assembly is installed. Four hydraulic cylinders are provided to make the jacking operation smooth and prevent falling.

[0019] 2. The tower crane lifting device with an anti-fall structure is provided with a bottom walking platform on the outside of the bottom frame and a fixed walking platform at the rear end of the fixed frame, which is convenient for workers to carry out installation operations and is relatively safe. A mobile transport piece is provided. When the distance between the tower crane assembly and the standard section assembly below is greater than the height of a single standard section assembly, the tower crane assembly is used to hoist the standard section assembly to be added and transport it between the top frame and the bottom frame. The mobile transport piece is used to lock and connect with the standard section body bolts. The motor is started to drive the screw rod to rotate, and the mobile transport piece is driven to move to the left along the moving groove until the added standard section assembly corresponds to the standard section assembly below. It is fixed with bolts, and the installation is relatively convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0021] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0022] Figure 3 The three-dimensional structure of the utility model is shown in FIG. Figure 3 ;

[0023] Figure 4 This is an enlarged structural diagram of the standard section assembly and jacking assembly of the utility model. Figure 1 ;

[0024] Figure 5 This is an enlarged structural diagram of the standard section assembly and jacking assembly of the utility model. Figure 2 ;

[0025] Figure 6 It is a schematic diagram of the disassembled structure of the standard section assembly and the jacking assembly of the utility model.

[0026] Among them: 1. Standard section assembly; 101. Standard section body; 102. Connecting parts; 2. Lifting assembly; 201. Fixed frame; 202. Slide; 203. Fixed walking platform; 204. Base frame; 205. Bottom walking platform; 206. Hydraulic cylinder; 207. Connecting frame; 208. Cross frame; 209. Top frame; 210. Moving trough; 211. Motor; 212. Screw rod; 213. Moving handling parts; 3. Tower crane assembly. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1: Figure 1-6 As shown, the utility model provides a tower crane jacking device with an anti-falling structure, which includes a standard section assembly 1, a jacking assembly 2 is arranged on the outer side of the standard section assembly 1, and a tower crane assembly 3 is arranged on the upper end of the jacking assembly 2.

[0029] Specifically, the standard section assembly 1 includes a standard section body 101 and a connecting piece 102, and the connecting piece 102 is arranged outside the standard section body 101. The advantage is that the connecting piece 102 is arranged, and when multiple standard section assemblies 1 are installed, the connecting piece 102 is locked by bolts to complete the installation.

[0030] Specifically, the lifting assembly 2 includes a fixed frame 201, a slide 202, a fixed walking platform 203, a bottom frame 204, a bottom walking platform 205, a hydraulic cylinder 206, a connecting frame 207, a cross frame 208, a top frame 209, a moving slot 210, a motor 211, a screw rod 212 and a moving transport member 213. The front end of the fixed frame 201 is provided with a slide 202, the rear end of the fixed frame 201 is fixedly connected to the fixed walking platform 203, the front end of the fixed frame 201 is provided with a bottom frame 204, and the bottom frame 204 The outer side of the bottom frame 204 is fixedly connected to the bottom walking platform 205, the upper end of the bottom frame 204 is fixedly connected to the hydraulic cylinder 206, the inner side of the fixed frame 201 is fixedly connected to the connecting frame 207, the inner side of the bottom frame 204 is fixedly connected to the cross frame 208, the front end of the fixed frame 201 is provided with a top frame 209, the inner side of the top frame 209 is provided with a moving groove 210, the front end of the top frame 209 is fixedly connected to the motor 211, the lower end of the top frame 209 is rotatably connected to the screw rod 212, and the inner side of the top frame 209 is provided with a moving transport member 213. The advantage is that a jacking assembly 2 is provided, and the tower crane assembly 3 is installed on the upper end of the jacking assembly 2 when it is used, and the tower crane assembly 3 is jacked by using the jacking assembly 2, and the standard section assembly 1 is installed after jacking to an appropriate height.

[0031] Specifically, the fixed frame 201, the slide 202, the bottom frame 204, the bottom walking platform 205, the top frame 209, the moving groove 210, the motor 211, the screw rod 212 and the moving transport member 213 are all provided with the same two groups, and the bottom frame 204 and the top frame 209 are both slidably connected with the slide 202. The advantage is that the fixed frame 201, the bottom frame 204 and the top frame 209 are provided, the connecting frame 207 is fixedly connected between the two fixed frames 201, and the cross frame 208 is fixedly connected between the two bottom frames 204, the structural strength is high, and when lifting, the top frame 209 and the bottom frame 204 can move upward or downward along the moving groove 210 of the fixed frame 201, and the lifting is relatively stable.

[0032] Embodiment 2: Figure 2-6 As shown, as an improvement to the previous embodiment.

[0033] Specifically, the output end of the hydraulic cylinder 206 is fixedly connected to the top frame 209, and the standard section assembly 1 is adapted to the jacking assembly 2. The advantage is that the hydraulic cylinder 206 is provided, and when the jacking assembly 2 is installed, the fixed frame 201, the top frame 209 and the standard section body 101 are first locked and connected by anchor bolts, and the hydraulic cylinder 206 is started to shorten the stroke of the hydraulic cylinder 206, so that the bottom frame 204 is moved to an appropriate position, and the bottom frame 204, the cross frame 208 and the standard section body 101 are locked and connected with anchor bolts, and the fixed frame 201 and the top frame 209 are separated from the standard section body 101, and the hydraulic cylinder 206 is started to increase the stroke of the hydraulic cylinder 206, and the tower crane assembly 3 is jacked until the distance between the tower crane assembly 3 and the standard section assembly 1 below is greater than the height of a single standard section assembly 1, and the standard section assembly 1 is installed, and four hydraulic cylinders 206 are provided to make the jacking operation smooth and avoid falling.

[0034] Specifically, the width of the top frame 209 is the same as that of the bottom frame 204, and the width of the top frame 209 is greater than twice the width of the standard section assembly 1. The advantage is that a bottom walking platform 205 is provided on the outside of the bottom frame 204, and a fixed walking platform 203 is provided at the rear end of the fixed frame 201, which is convenient for workers to perform installation operations and is safer.

[0035] Specifically, the movable transport member 213 is slidably connected to the movable groove 210, the screw rod 212 is threadedly connected to the movable transport member 213, and the movable transport member 213 is adapted to the standard section body 101. The advantage is that, with the movable transport member 213, when the distance between the tower crane assembly 3 and the standard section assembly 1 below is greater than the height of a single standard section assembly 1, the tower crane assembly 3 is used to hoist the standard section assembly 1 to be added, and transport it to between the top frame 209 and the bottom frame 204, and the movable transport member 213 is bolted and connected to the standard section body 101, and the motor 211 is started to drive the screw rod 212 to rotate, and the movable transport member 213 is driven to move to the left along the movable groove 210 until the added standard section assembly 1 corresponds to the standard section assembly 1 below, and is fixed with bolts, which is convenient for installation.

[0036] Working principle: When using, when installing the lifting assembly 2, first lock and connect the fixed frame 201, the top frame 209 and the standard section body 101 through anchor bolts, install the tower crane assembly 3 on the upper end of the lifting assembly 2, start the hydraulic cylinder 206 to shorten the stroke of the hydraulic cylinder 206, move the bottom frame 204 to the appropriate position, lock and connect the bottom frame 204, the cross frame 208 and the standard section body 101 with anchor bolts, separate the fixed frame 201 and the top frame 209 from the standard section body 101, start the hydraulic cylinder 206 to increase the stroke of the hydraulic cylinder 206, and lift the tower crane assembly 3 until the distance between the tower crane assembly 3 and the standard section assembly 1 below is greater than the height of a single standard section assembly 1. Degree, use the tower crane component 3 to hoist the standard section component 1 that needs to be added, and transport it to between the top frame 209 and the bottom frame 204, use the movable transport member 213 to bolt and lock it with the standard section body 101, start the motor 211 to drive the screw rod 212 to rotate, and drive the movable transport member 213 to move left along the movable groove 210 until the added standard section component 1 corresponds to the standard section component 1 below, and fix it with bolts. Repeat this process to install the tower crane. The installation is relatively convenient. A bottom walking platform 205 is provided on the outside of the bottom frame 204, and a fixed walking platform 203 is provided at the rear end of the fixed frame 201, which is convenient for the staff to carry out installation operations and is relatively safe.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tower crane lifting device with an anti-falling structure, comprising a standard section assembly (1), characterized in that: A jacking assembly (2) is arranged outside the standard section assembly (1), and a tower crane assembly (3) is arranged at the upper end of the jacking assembly (2); The lifting assembly (2) comprises a fixed frame (201), a slide groove (202), a fixed walking platform (203), a bottom frame (204), a bottom walking platform (205), a hydraulic cylinder (206), a connecting frame (207), a cross frame (208), a top frame (209), a movable groove (210), a motor (211), a screw rod (212) and a movable transport member (213); the front end of the fixed frame (201) is provided with a slide groove (202); the rear end of the fixed frame (201) is fixedly connected to the fixed walking platform (203); the front end of the fixed frame (201) is provided with a bottom frame (204); the bottom frame (204) is provided with a movable groove (210); the movable transport member (213 ... The outer side is fixedly connected to the bottom walking platform (205); the upper end of the bottom frame (204) is fixedly connected to the hydraulic cylinder (206); the inner side of the fixed frame (201) is fixedly connected to the connecting frame (207); the inner side of the bottom frame (204) is fixedly connected to the cross frame (208); the front end of the fixed frame (201) is provided with a top frame (209); the inner side of the top frame (209) is provided with a moving groove (210); the front end of the top frame (209) is fixedly connected to a motor (211); the lower end of the top frame (209) is rotatably connected to a screw rod (212); and the inner side of the top frame (209) is provided with a moving transport member (213).

2. The tower crane lifting device with an anti-falling structure according to claim 1 is characterized in that: The standard section assembly (1) comprises a standard section body (101) and a connecting piece (102), wherein the connecting piece (102) is arranged on the outside of the standard section body (101).

3. The tower crane lifting device with an anti-falling structure according to claim 1 is characterized in that: The fixed frame (201), the slide groove (202), the bottom frame (204), the bottom walking platform (205), the top frame (209), the movable groove (210), the motor (211), the screw rod (212) and the movable transport member (213) are all provided with two identical groups, and the bottom frame (204) and the top frame (209) are both slidably connected to the slide groove (202).

4. The tower crane lifting device with an anti-falling structure according to claim 1 is characterized in that: The output end of the hydraulic cylinder (206) is fixedly connected to the top frame (209), and the standard section assembly (1) is compatible with the lifting assembly (2).

5. The tower crane lifting device with an anti-falling structure according to claim 1 is characterized in that: The width of the top frame (209) is the same as that of the bottom frame (204), and the width of the top frame (209) is greater than twice the width of the standard section assembly (1).

6. The tower crane lifting device with an anti-falling structure according to claim 1 is characterized in that: The movable transport member (213) is slidably connected to the movable groove (210), the screw rod (212) is threadedly connected to the movable transport member (213), and the movable transport member (213) is compatible with the standard section body (101).

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