Internal-shoring spreader
A spreader and lifting ring technology, applied in the field of spreaders, can solve the problems of fixed spreader size, single function, easy to scratch workpieces, etc., and achieve the effect of not easy to scratch, strong practicability, and stable lifting
Inactive Publication Date: 2018-12-04
马丽娜
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Problems solved by technology
[0003] The object of the present invention is to provide a kind of internal support type lifting device, to solve the above mentioned background technology, the current lifting devices on the market all complete the lifting by lifting the outside of the workpiece, which is easy to scratch the workpiece, and the size of the lifting device is fixed , only one size of workpiece can be hoisted, the problem of single function
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[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0015] see Figure 1-3 , the present invention provides a technical solution: a kind of internal support type hoisting tool, comprising a lifting ring 1, the bottom of the lifting ring 1 is welded with an upper fixing frame 2, and the outer wall of the upper fixing frame 2 is equidistantly equipped with three upper connecting rods 3, and the upper connecting rod 3 is connected with the upper fixed frame 2 through the pivot pin, the other end of the upper conne...
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The invention discloses an internal-shoring spreader in the technical field of spreaders. The internal-shoring spreader comprises a suspension ring. An upper fixed mount is welded at the bottom of thesuspension ring. Three upper connecting rods are evenly spaced on the outer wall of the upper fixed mount, and the upper connecting rods are connected with the upper fixed mount through a pivot pin.The other ends of the upper connecting rods are rotatably connected with lower connecting rods through the pivot pin. Opposite inner sidewalls of the three lower connecting rods are rotatably connected with a lower fixed mount through a pivot pin. A spacing board is welded on the left sidewall of the right upper connecting rod. The other end of the spacing board penetrates through the right lowerconnecting rod. The rear sidewall of the right lower connecting rod is in threaded connection with a bolt. The internal-shoring spreader is reasonably designed and has strong practicality. The lower connecting rods lift workpieces through an internal-shoring mode, and the workpieces are not easy to scratch. With the cooperation between the upper fixed mount and the lower fixed mount, the lifting is steady. With the cooperation between the lower connecting rods and the spacing board, the spreader is adjusted according to aperture of workpieces, and workpieces with various different apertures can be lifted.
Description
technical field [0001] The invention relates to the technical field of spreaders, in particular to an inner support spreader. Background technique [0002] The spreader refers to the device for lifting heavy objects in the hoisting machinery. The most commonly used spreaders for lifting the finished items are hooks and slings, and others include rings, lifting suction cups, clamps and forks. Spreaders are widely used in the lifting industry. The hoisting gears currently on the market are all completed by hoisting the outside of the workpiece, which is easy to scratch the workpiece, and the size of the hoisting gear is fixed, so it can only hoist workpieces of one size, and has a single function. For this reason, we propose an inner support type spreader. Contents of the invention [0003] The object of the present invention is to provide a kind of internal support type lifting device, to solve the above mentioned background technology, the current lifting devices on the ...
Claims
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IPC IPC(8): B66C1/42
CPCB66C1/42
Inventor 马丽娜
Owner 马丽娜