Gantry lifting appliance for heavy workpiece tailor-welding

Abstract

The utility model provides a gantry lifting appliance for heavy workpiece tailor welding, which comprises a support frame and support parts, the upper side surface of the support frame is fixedly connected with a lifting ring for lifting, the inner side of the support frame is provided with a clamping part, the left end and the right end of the support frame are provided with the support parts for stabilizing the support frame, and the lifting ring is fixedly connected with the support parts. Compared with the prior art, the utility model has the following beneficial effects: by arranging the supporting part capable of adjusting the height to provide additional support, the problems that the whole strength and the service life of a welding piece are reduced due to welding defects caused by swinging and shaking generated after the supporting frame and the welding piece are lifted are solved; and meanwhile, the height adjustment can adjust the positions of the supporting legs according to the specifications of the welded workpieces, so that the supporting legs are always located on the lower sides of the welded workpieces and are stably connected with the ground, and in addition, the clamping parts are arranged, and the positions of the clamping plates can be controlled through threads to adapt to the welded workpieces of different specifications.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lifting appliance, especially relates to a gantry lifting appliance for heavy workpiece tailor welding. BACKGROUND

[0002] The gantry crane is a kind of hoisting equipment, usually consists of two vertical support columns and a crossbeam, installs electric hoist or other hoisting equipment on it, is mainly used to lift and move heavy objects, is widely used in industry, construction and logistics and other fields, lifting appliance refers to the equipment for connecting and supporting load, can provide safe and stable support when lifting and transporting heavy objects, welding is a kind of manufacturing process that connects two or more materials together, usually realizes connection by melting or heating materials and using filler material, however, the lifting appliance lacking support structure has significant shortcomings in use process, the lack of support structure means that the stability of lifting appliance is poor, is affected by the irregular workpiece leading to unstable center of gravity and environment, and the workpiece is easy to shake after being lifted, and the shaking can cause uneven weld, reduce the penetration rate, thus appear defects such as incomplete penetration, undercut and porosity, finally lead to the decrease of overall strength and service life of welded parts, therefore, we hope to design a gantry lifting appliance for heavy workpiece tailor welding to solve this problem. CONTENT OF THE UTILITY MODEL

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a gantry lifting appliance for heavy workpiece tailor welding to solve the problems in the background art.

[0004] The utility model discloses a gantry lifting appliance for heavy workpiece tailor welding, including: support frame and support component, the upper side surface of support frame is fixedly connected with the lifting ring for lifting, the inside of support frame is provided with clamping component, the left and right ends of support frame are provided with the support component for stabilizing support frame;

[0005] The support component includes support plate, the support plate is fixedly connected to the left and right ends of support frame, the inside of support frame is connected with screw rod through bearing, the lower end outside of screw rod is screwed with support cylinder, the lower end of support cylinder is fixedly connected with support leg, the lower side surface of support leg is fixedly connected with rubber pad for improving the friction of lower surface, the outside of support cylinder is provided with limit component, by setting up support component, support frame is connected with ground through support leg, can provide additional support, prevent support frame and welding piece from swinging and shaking, cause the phenomenon of inconvenient welding.

[0006] As a preferred embodiment, the support frame, screw rod and support cylinder are all alloy steel structures for improving the strength of the device to adapt to heavy workpieces.

[0007] As a preferred implementation, the limiting assembly includes a telescopic rod, the upper end of the telescopic rod is fixedly connected with the lower side surface of the support plate, the lower end of the telescopic rod is fixedly connected with a mounting plate, and the mounting plate is fixedly connected with the support cylinder.

[0008] As a preferred implementation, the clamping component includes a bidirectional threaded rod, the bidirectional threaded rod is sleeved in the inside of the support frame through a bearing sleeve, both ends of the bidirectional threaded rod are screwed with a connecting plate, the lower side of the connecting plate is fixedly connected with a clamping plate, and the outside of the bidirectional threaded rod is provided with a transmission assembly.

[0009] As a preferred implementation, the inside of the support frame is provided with a sliding groove for limiting the connecting plate, and the connecting plate is sleeved in the inside of the sliding groove of the support frame.

[0010] As a preferred implementation, the transmission assembly includes a speed reducer, the speed reducer is fixedly connected with the upper side of the support frame, a main bevel gear is fixedly connected with the output shaft of the speed reducer, a secondary bevel gear is engaged with the outside of the main bevel gear, and the secondary bevel gear is fixedly sleeved with the outside of the bidirectional threaded rod.

[0011] As a preferred implementation, the inside of the lower end of the clamping plate is fixedly connected with a rubber gasket for improving the surface friction.

[0012] After the above technical scheme is adopted, the device has the following advantages: the support frame, the threaded rod, and the support cylinder made of alloy steel are arranged to improve the strength of the device to adapt to heavy workpieces; the support frame is connected with the ground through the support feet to provide additional support, prevent the support frame from swinging and shaking after lifting the workpiece to be welded, and cause defects in welding, and finally cause the overall strength and service life of the workpiece to be welded to decrease; the height of the support feet can be adjusted according to the specifications of the workpiece to be welded to make the support feet always be on the lower side of the workpiece to be welded and be connected with the ground stably; and the clamping threaded clamping component is arranged to control the position of the clamping plate through the thread to adapt to workpieces of different specifications. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0014] Figure 1 It is the overall structure front right side oblique view of the heavy workpiece tailor welding gantry lifting appliance of the utility model.

[0015] Figure 2 It is the partial structure front side oblique view of the heavy workpiece tailor welding gantry lifting appliance of the utility model.

[0016] Figure 3 It is the partial structure front side oblique view of the heavy workpiece tailor welding gantry lifting appliance of the utility model. Figure 2

[0017] Figure 4 It is the partial structure front side oblique view of the heavy workpiece tailor welding gantry lifting appliance of the utility model.

[0018] In the drawing, 1 is a support frame, 2 is a lifting ring, 3 is a clamping component, and 4 is a support component.

[0019] 31 is a two-way threaded rod, 32 is a connecting plate, 33 is a sliding groove, 34 is a clamping plate, 35 is a transmission assembly, 351 is a speed reducer, 352 is a main bevel gear, and 353 is a secondary bevel gear.

[0020] 41 is a support plate, 42 is a threaded rod, 43 is a support cylinder, 44 is a support foot, 45 is a limiting assembly, 451 is a telescopic rod, and 452 is a mounting plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1 to 4 The utility model provides a technical scheme: a heavy workpiece tailor welding gantry lifting appliance, which comprises a support frame 1 and a support component 4, the upper side surface of the support frame 1 is fixedly connected with a lifting ring 2 for hoisting, the inner side of the support frame 1 is provided with a clamping component 3, and the left and right ends of the support frame 1 are provided with support components 4 for stabilizing the support frame 1.

[0023] ​The support component 4 comprises a support plate 41 fixedly connected to the left and right ends of the support frame 1, a threaded rod 42 connected to the inside of the support frame 1 through a bearing, a support cylinder 43 threadedly screwed to the lower end of the threaded rod 42, a support foot 44 fixedly connected to the lower end of the support cylinder 43, a rubber pad fixedly connected to the lower surface of the support foot 44 for increasing the friction of the lower surface thereof, and a limiting assembly 45 provided on the outside of the support cylinder 43. By arranging the support component 4, the support frame 1 is connected to the ground through the support foot 44, thereby providing additional support and preventing the support frame 1 from shaking and swaying with the welding part, which causes inconvenience in welding.

[0024] The support frame 1, the threaded rod 42 and the support cylinder 43 are all alloy steel structures for improving the strength of the device to adapt to heavy workpieces.

[0025] The limiting assembly 45 comprises a telescopic rod 451, the upper end of which is fixedly connected to the lower surface of the support plate 41, and a mounting plate 452 fixedly connected to the support cylinder 43 and connected to the lower end of the telescopic rod 451. By arranging the limiting assembly 45, the support cylinder 43 is prevented from rotating with the threaded rod 42.

[0026] The clamping component 3 comprises a bidirectional threaded rod 31 sleeved in the inside of the support frame 1 through a bearing, and a connecting plate 32 threadedly screwed to both ends of the bidirectional threaded rod 31. The lower side of the connecting plate 32 is fixedly connected to a clamping plate 34, and a transmission assembly 35 is provided on the outside of the bidirectional threaded rod 31. By arranging the clamping component 3, the welding part to be welded is fixed.

[0027] The inside of the support frame 1 is provided with a sliding groove 33 for limiting the connecting plate 32, and the connecting plate 32 is slidably sleeved in the sliding groove 33 of the support frame 1.

[0028] The transmission assembly 35 comprises a speed reducer 351 fixedly connected to the upper side of the support frame 1, a main bevel gear 352 fixedly connected to the output shaft of the speed reducer 351, a secondary bevel gear 353 meshing with the outside of the main bevel gear 352, and the secondary bevel gear 353 fixedly sleeved on the outside of the bidirectional threaded rod 31. By arranging the transmission assembly 35, the bidirectional threaded rod 31 drives the connecting plate 32 and the clamping plate 34 to displace.

[0029] The lower end of the clamping plate 34 is fixedly connected to a rubber pad for increasing the friction of the surface thereof.

[0030] Please refer to Figure 1 , Figure 4, as the first embodiment of the utility model: in the process of assembling and welding workpiece, first through clamping part 3 to the assembling piece is clamped, then through the external gantry hoisting device to support frame 1 and the welding piece are hoisted, after hoisting due to the irregular shape of workpiece or uneven weight distribution will lead to workpiece shaking, at this moment rotating screw rod 42, screw rod 42 in the process of rotation and support cylinder 43 occur threaded motion makes support cylinder 43 displacement, simultaneously support cylinder 43 drive support foot 44 displacement, according to the specification of workpiece, when support foot 44 displacement to its lower surface below workpiece, can start hoisting device again and put down workpiece, until support foot 44 and ground contact, to improve the stability of support frame 1 and workpiece, facilitate subsequent assembling and welding work.

[0031] Please refer to Figure 2 、 Figure 3 , as the second embodiment of the utility model: based on the above embodiment, further, when needing to clamp workpiece, first start speed reducer 351, the output shaft of speed reducer 351 drive main bevel gear 352 rotation, main bevel gear 352 in the process of rotation drive the meshing auxiliary bevel gear rotation, auxiliary bevel gear 353 in rotation simultaneously drive bidirectional screw rod 31 rotation, bidirectional screw rod 31 in rotation simultaneously with its both ends connecting plate 32 threaded motion, so that both ends connecting plate 32 drive clamping plate 34 displacement, to complete the clamping of workpiece.

[0032] The above only for the preferred embodiment of the utility model has, and does not limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A gantry spreader for use in the welding of heavy workpieces, comprising: Support frame (1) and support component (4), characterized in that the upper surface of the support frame (1) is fixedly connected with a lifting ring (2) for lifting, the inner side of the support frame (1) is provided with a clamping component (3), and the left and right ends of the support frame (1) are provided with support components (4) for stabilizing the support frame (1); The support component (4) comprises a support plate (41) fixedly connected to the left and right ends of the support frame (1), a threaded rod (42) connected to the inside of the support frame (1) through a bearing, a support cylinder (43) screwed on the outer side of the lower end of the threaded rod (42), a support foot (44) fixedly connected to the lower end of the support cylinder (43), and a rubber pad fixedly connected to the lower surface of the support foot (44) for increasing the friction of the lower surface, and a limiting assembly (45) arranged on the outer side of the support cylinder (43).

2. A gantry spreader for use in the welding of heavy workpieces as claimed in claim 1, characterized in that: The support frame (1), the threaded rod (42) and the support cylinder (43) are all alloy steel structures for improving the strength of the device to adapt to heavy workpieces.

3. A gantry spreader for use in the welding of heavy workpieces as defined in claim 1, characterized in that: The limiting assembly (45) comprises a telescopic rod (451) fixedly connected to the lower surface of the support plate (41), and a mounting plate (452) fixedly connected to the lower end of the telescopic rod (451) and fixedly connected with the support cylinder (43).

4. A gantry spreader for use in the welding of heavy workpieces as defined in claim 1, characterized in that: The clamping component (3) comprises a bidirectional threaded rod (31) sleeved in the inside of the support frame (1) through a bearing, and a connecting plate (32) screwed on both ends of the bidirectional threaded rod (31), a clamping plate (34) fixedly connected to the lower side of the connecting plate (32), and a transmission assembly (35) arranged on the outer side of the bidirectional threaded rod (31).

5. A gantry spreader for use in the welding of heavy workpieces as defined in claim 4, characterized in that: The inner side of the support frame (1) is provided with a sliding groove (33) for limiting the connecting plate (32), and the connecting plate (32) is sleeved in the sliding groove (33) of the support frame (1).

6. A gantry spreader for use in the welding of heavy workpieces as defined in claim 4, characterized in that: The transmission assembly (35) comprises a speed reducer (351) fixedly connected to the upper side of the support frame (1), a main bevel gear (352) fixedly connected to the output shaft of the speed reducer (351), a secondary bevel gear (353) engaged with the outer side of the main bevel gear (352), and the secondary bevel gear (353) is fixedly sleeved on the outer side of the bidirectional threaded rod (31).

7. A gantry spreader for use in the welding of heavy workpieces as defined in claim 4, characterized in that: The lower end of the clamping plate (34) is fixedly connected with a rubber pad on the inner side for increasing the surface friction.

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