Lifting appliance special for lifting on crane

Abstract

The utility model relates to a lifting appliance special for lifting on a crane, which comprises a leveling mechanism, a slewing mechanism, a vertical lifting mechanism, a transverse moving mechanism, a transverse angle adjusting mechanism, a grabbing mechanism and a machine tool platform, and the leveling mechanism is connected with a main machine of the crane and the machine tool platform and is used for adjusting the levelness of the machine tool platform. The swing mechanism is connected with the machine platform and controls the machine platform to rotate around a vertical shaft, the vertical lifting mechanism is arranged on the machine platform and connected with the transverse moving mechanism to control the height of the transverse moving mechanism, and the transverse moving mechanism is connected with the grabbing mechanism to control the transverse position of the grabbing mechanism. The transverse angle adjusting mechanism is installed on the machine tool platform to control the angle of the machine tool platform. The mechanical arm has the advantages that by controlling each executing mechanism, the grabbing, vertical lifting, transverse moving, transverse angle and rotation around a vertical shaft of a large component can be realized, and the included angle between the mechanical arm and a crane jib can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of hoisting equipment, in particular to a hoisting equipment used for special hoisting on a crane. Background Art

[0002] With the development of infrastructure and maintenance projects, during the construction hoisting process, large components, such as track plates of high-speed railway lines, need to be grabbed and adjusted in various postures to meet the needs of construction and installation. In view of the above needs, a special hoist with multiple execution actions is required.

[0003] At present, most of the lifting equipment can only realize simple actions, usually only one or two actions, and can only realize the construction of relatively simple special functions, but cannot realize the construction of large components with complex postures that need to be adjusted. Summary of the invention

[0004] The purpose of the utility model is to provide a sling for special lifting on a crane in accordance with the above-mentioned deficiencies of the prior art. By controlling each actuator, it is possible to realize the grabbing, vertical lifting, lateral movement, lateral angle, rotation around the vertical axis, and adjustment of the angle between the tool itself and the crane boom of large components, thereby meeting construction needs.

[0005] The purpose of this utility model is achieved by the following technical solutions:

[0006] A sling for special lifting on a crane, characterized in that: the sling includes a leveling mechanism, a slewing mechanism, a vertical lifting mechanism, a lateral movement mechanism, a lateral angle adjustment mechanism, a gripping mechanism and a tool platform, wherein the leveling mechanism is connected to the crane mainframe and the tool platform and is used to adjust the horizontality of the tool platform, the slewing mechanism is connected to the tool platform and controls the tool platform to rotate around a vertical axis, the vertical lifting mechanism is arranged on the tool platform and is connected to the lateral movement mechanism to control the height of the lateral movement mechanism, the lateral movement mechanism is connected to the gripping mechanism to control the lateral position of the gripping mechanism, and the lateral angle adjustment mechanism is installed on the tool platform to control the angle of the tool platform.

[0007] The leveling mechanism comprises a leveling cylinder and a connecting bracket, wherein the leveling cylinder and the connecting bracket are respectively connected to the boom of the crane mainframe via a pin shaft, and the leveling cylinder and the connecting bracket are connected via a pin shaft.

[0008] The slewing mechanism comprises a slewing reducer and a hydraulic motor. The hydraulic motor is connected to drive the slewing reducer. The connecting bracket of the leveling mechanism is installed on the slewing reducer. The hydraulic motor is installed on the tool platform.

[0009] The vertical lifting and lowering mechanism includes a hydraulic cylinder, a guide column and a guide groove, wherein the guide groove is installed on the tool platform, the guide column is installed on the lateral moving mechanism and inserted into the guide groove, and the hydraulic cylinder is connected to the lateral moving mechanism and controls the telescopic movement of the guide column in the guide groove.

[0010] The lateral movement mechanism includes a hydraulic cylinder, a guide column and a guide groove, wherein the guide groove is installed below the tool platform and connected to the guide column of the vertical lifting mechanism, the guide column is installed inside the guide groove, and the hydraulic cylinder is connected to the guide column and controls the telescopic movement of the guide column in the guide groove.

[0011] The lateral angle adjustment mechanism includes a hydraulic cylinder, an upper platform and a lower platform, wherein the upper platform and the lower platform are hinged, wherein the slewing mechanism is installed above the upper platform, and the lower platform is installed on the tool platform, and the hydraulic cylinder is connected to the upper platform to control the relative lateral angle change between the upper platform and the lower platform.

[0012] The grabbing mechanism comprises a hydraulic cylinder, a long grab, a short grab and a connecting rod, wherein the long grab and the short grab are connected through the connecting rod, and the hydraulic cylinder is connected to the connecting rod and controls the opening and closing of the long grab and the short grab through the connecting rod.

[0013] The advantages of the utility model are: it realizes complex posture adjustment during the construction of large components. Compared with the existing special construction hoists with single action and simple function, this equipment provides a special hoist with multiple execution actions. Through the control of each actuator, it can realize the grabbing, vertical lifting, lateral movement, lateral angle, rotation around the vertical axis, and angle adjustment between the machine itself and the crane boom of large components. For example, the special hoist can realize different relative position relationships and ballastless track plates with corresponding interfaces installed for grabbing, and then it can realize multi-posture adjustment and lifting of the ballastless track plates, thereby meeting the construction needs and greatly improving the construction efficiency and construction safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of the sling of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the leveling structure in the utility model;

[0016] Figure 3 It is a structural schematic diagram of the rotary structure in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the vertical take-off and landing mechanism in the utility model;

[0018] Figure 5 It is a structural schematic diagram of the lateral moving mechanism in the utility model;

[0019] Figure 6 It is a structural schematic diagram of the lateral angle adjustment mechanism in the utility model;

[0020] Figure 7 It is a structural schematic diagram of the grabbing mechanism in the utility model;

[0021] Figure 8 This is a component grabbing effect diagram of the utility model. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the features of the present invention and other related features through embodiments in conjunction with the accompanying drawings to facilitate understanding by technicians in the same industry:

[0023] like Figure 1-8 As shown, the marks 1-24 in the figure respectively represent: leveling cylinder 1, connecting bracket 2, rotating mechanism 3, vertical lifting and lowering mechanism 4, lateral movement mechanism 5, lateral angle adjustment mechanism 6, grabbing mechanism 7, boom 8, slewing reducer 9, hydraulic motor 10, hydraulic cylinder 11, guide column 12, guide groove 13, guide column 14, guide groove 15, hydraulic cylinder 16, hydraulic cylinder 17, upper platform 18, hinge point 19, lower platform 20, hydraulic cylinder 21, long grab 22, connecting rod 23, short grab 24.

[0024] Example: Combination Figures 1 to 8 As shown, the lifting device used for special lifting on the crane in this embodiment can be installed on the crane host to lift components, especially large components.

[0025] like Figure 1 As shown, the sling in this embodiment is composed of a leveling cylinder 1, a connecting bracket 2, a rotating mechanism 3, a vertical lifting and lowering mechanism 4, a lateral moving mechanism 5, a lateral angle adjustment mechanism 6, and a grabbing mechanism 7, wherein the leveling cylinder 1 and the connecting bracket 2 constitute a leveling mechanism.

[0026] Among them, the leveling cylinder 1 connects the connecting bracket and the main machine to adjust the overall horizontality of the machine, and the connecting bracket 2 is used to connect the crane main machine and the machine platform, which refers to the bracket part of the sling. The slewing mechanism 3 controls the rotation of the machine platform around the vertical axis through a worm gear transmission. The vertical lifting and lowering mechanism 4 is provided with a cylinder and a vertical guide mechanism to control the vertical control of the grabbing. The lateral movement mechanism 5 is provided with a cylinder and a guide mechanism to control the lateral control of the grabbing. The lateral angle adjustment mechanism 6 is provided with a lateral angle adjustment cylinder to control the lateral angle adjustment action of the grabbing. The grabbing mechanism 7 is provided with four grabbing cylinders and a mechanical grab assembly to realize the grabbing action of the corresponding interface on the large component.

[0027] like Figure 2 As shown, the leveling mechanism includes a leveling cylinder 1 and a connecting bracket 2, both of which are respectively hinged to the boom 8 of the crane mainframe through a pin shaft, and the leveling cylinder 1 and the connecting bracket 2 are also hinged through a pin shaft; the angle change of the overall sling relative to the boom 8 is controlled by the extension and contraction of the leveling cylinder 1, thereby realizing the angle adjustment between the tool itself and the crane boom.

[0028] like Figure 3 As shown, the slewing mechanism includes a slewing reducer 9 and a hydraulic motor 10. The connecting bracket 2 is installed above the slewing reducer 9. The slewing reducer 9 is driven by the hydraulic motor 10 to control the overall rotation of the spreader, thereby realizing the overall rotation of the spreader around the vertical axis to adjust the grabbing position.

[0029] like Figure 4 As shown, the vertical lift mechanism 4 includes a hydraulic cylinder 11, a guide column 12 and a guide groove 13. In this embodiment, two sets of vertical lift mechanisms 4 are respectively arranged at symmetrical positions on both sides of the tool platform of the spreader, that is, two hydraulic cylinders 11 are symmetrically arranged, and two guide columns 12 and two guide grooves 13 are respectively arranged on both sides of each hydraulic cylinder 11, that is, a total of four guide columns 12 and four guide grooves 13 on both sides, and each guide column 12 corresponds to a guide groove 13 and is plugged one by one. The guide column 12 is installed on the lateral moving mechanism 5, and the hydraulic cylinder 11 is connected to the lateral moving mechanism 5 and can control the lifting and lowering of the lateral lifting mechanism 5, thereby controlling the vertical lift of the grabbing component; during the lifting and lowering process, the guide column 12 moves telescopically in the guide groove 13 to ensure the accuracy and stability of the vertical lift.

[0030] like Figure 5As shown, the lateral movement mechanism 5 includes a guide column 14, a guide groove 15, and a hydraulic cylinder 16. In this embodiment, two sets of lateral movement mechanisms 5 are symmetrically arranged below the tool platform of the spreader, that is, two hydraulic cylinders 16 are symmetrically arranged, and a set of guide columns 14 and guide grooves 15 are respectively arranged at the two hydraulic cylinders 16, wherein the guide column 14 is inserted into the guide groove 15 and connected to the hydraulic cylinder 16; the lateral movement of the grabbing member is controlled by the extension and contraction of the hydraulic cylinder.

[0031] like Figure 6 As shown, the lateral angle adjustment mechanism 6 includes a hydraulic cylinder 17, an upper platform 18, a hinge point 19, and a lower platform 20; wherein the upper platform 18 and the lower platform 20 are hinged by setting a pin shaft at the position of the hinge point 19, one end of the hydraulic cylinder 17 is connected to the tool platform, and the other end is hinged to the upper platform 18; the change of the lateral angle of the lower platform 20 relative to the upper platform 19 is controlled by the extension and retraction of the hydraulic cylinder 17.

[0032] like Figure 7 As shown, the grabbing mechanism 7 includes a hydraulic cylinder 21, a long grab 22, a connecting rod 23, and a short grab 24. The long grab 22 and the short grab 23 are connected by the connecting rod 23, and the connecting rod 23 is further connected to the hydraulic cylinder 21. In this embodiment, the connecting rod 23 is a four-bar linkage, which is driven by the extension and contraction of the hydraulic cylinder 21 to control the opening and closing of the grabbing mechanism 7.

[0033] Although the above embodiments have described the concepts and embodiments of the purpose of the utility model in detail with reference to the accompanying drawings, ordinary technicians in this field can recognize that various improvements and modifications can still be made to the utility model without departing from the scope of the claims, so they are not described one by one here.

Claims

1. A lifting device for special lifting on a crane, characterized by: The hoist includes a leveling mechanism, a slewing mechanism, a vertical lifting and lowering mechanism, a lateral moving mechanism, a lateral angle adjustment mechanism, a gripping mechanism and a tool platform, wherein the leveling mechanism is connected to the crane mainframe and the tool platform and is used to adjust the horizontality of the tool platform, the slewing mechanism is connected to the tool platform and controls the tool platform to rotate around a vertical axis, the vertical lifting and lowering mechanism is arranged on the tool platform and is connected to the lateral moving mechanism to control the height of the lateral moving mechanism, the lateral moving mechanism is connected to the gripping mechanism to control the lateral position of the gripping mechanism, and the lateral angle adjustment mechanism is installed on the tool platform to control the angle of the tool platform.

2. A lifting device for special lifting on a crane according to claim 1, characterized in that: The leveling mechanism comprises a leveling cylinder and a connecting bracket, wherein the leveling cylinder and the connecting bracket are respectively connected to the boom of the crane mainframe via a pin shaft, and the leveling cylinder and the connecting bracket are connected via a pin shaft.

3. A lifting device for special lifting on a crane according to claim 1, characterized in that: The slewing mechanism comprises a slewing reducer and a hydraulic motor. The hydraulic motor is connected to drive the slewing reducer. The connecting bracket of the leveling mechanism is installed on the slewing reducer. The hydraulic motor is installed on the tool platform.

4. The sling for special hoisting on a crane according to claim 1, characterized in that: The vertical lifting and lowering mechanism includes a hydraulic cylinder, a guide column and a guide groove, wherein the guide groove is installed on the tool platform, the guide column is installed on the lateral moving mechanism and inserted into the guide groove, and the hydraulic cylinder is connected to the lateral moving mechanism and controls the telescopic movement of the guide column in the guide groove.

5. The lifting device for special lifting on a crane according to claim 1, characterized in that: The lateral movement mechanism includes a hydraulic cylinder, a guide column and a guide groove, wherein the guide groove is installed below the tool platform and connected to the guide column of the vertical lifting mechanism, the guide column is installed inside the guide groove, and the hydraulic cylinder is connected to the guide column and controls the telescopic movement of the guide column in the guide groove.

6. The lifting device for special lifting on a crane according to claim 1, characterized in that: The lateral angle adjustment mechanism includes a hydraulic cylinder, an upper platform and a lower platform, wherein the upper platform and the lower platform are hinged, wherein the slewing mechanism is installed above the upper platform, and the lower platform is installed on the tool platform, and the hydraulic cylinder is connected to the upper platform to control the relative lateral angle change between the upper platform and the lower platform.

7. The lifting device for special lifting on a crane according to claim 1, characterized in that: The grabbing mechanism comprises a hydraulic cylinder, a long grab, a short grab and a connecting rod, wherein the long grab and the short grab are connected through the connecting rod, and the hydraulic cylinder is connected to the connecting rod and controls the opening and closing of the long grab and the short grab through the connecting rod.

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