CN219823426U - Lifting appliance for H-shaped steel beam - Google Patents

Abstract

The lifting appliance comprises a lifting ring, a lifting frame, an elastic telescopic rod and two elastic clamps fixedly connected with two ends of the elastic telescopic rod, wherein the lifting frame is composed of two symmetrical connecting rods which are mutually hinged in a crossing manner, the lifting ring is arranged at the upper end of the hinged position of the connecting rods, the elastic clamps comprise a fixing frame and a sliding clamp, the inner end of the fixing frame is fixedly connected with one end of the elastic telescopic rod, and the lower end of the fixing frame is provided with a positioning protrusion protruding downwards; the sliding clamp comprises a horizontal fixing plate, a vertical sliding plate and a horizontal clamping protrusion which are sequentially and fixedly connected, wherein the horizontal fixing plate and the horizontal clamping protrusion are respectively and vertically fixedly connected with the upper end and the lower end of the vertical sliding plate, the upper end of the horizontal fixing plate is hinged with the lower end of the connecting rod, the vertical sliding plate and the fixing frame are internally provided with vertical sliding holes to form sliding fit, the horizontal clamping protrusion is protruded in the direction of the adjacent sliding clamp, and the horizontal clamping protrusion and the corresponding positioning protrusion form a clamping cavity for clamping and fixing the I-shaped steel.

Description

Lifting appliance for H-shaped steel beam

Technical Field

The utility model relates to the field of lifting appliances, in particular to a lifting appliance for an H-shaped steel beam.

Background

The existing lifting appliance generally comprises a lifting frame and two clamping jaws, wherein the relative positions of the two clamping jaws are controlled by arranging corresponding driving devices, so that the clamping jaws can grasp objects to be lifted. The utility model discloses a novel many function combination billet hoist, including the crossbeam, the lower extreme of crossbeam is provided with the connecting axle, be provided with two sets of bull sticks on the connecting axle, two lower extreme between the bull stick is provided with the holder, be provided with push pedal and clamping mechanism on the holder, the bottom of crossbeam still is provided with the actuating cylinder that is connected with the push pedal, be provided with the axis of rotation between bull stick and the holder, push pedal and holder swing joint, the upper end of crossbeam is provided with the hooked rod, demountable installation has the lifting hook on the hooked rod. According to the technical scheme, the corresponding driving air cylinder is required to be arranged for adjusting and controlling, and automatic clamping of the elastic clamp cannot be achieved.

Disclosure of Invention

In order to solve the problems, the utility model provides a lifting appliance for an H steel beam, which comprises:

the lifting appliance comprises a lifting ring, a lifting frame, an elastic telescopic rod and two elastic clamps fixedly connected with two ends of the elastic telescopic rod, wherein the lifting frame is composed of two symmetrical connecting rods which are mutually hinged in a crossing manner, the lifting ring is arranged at the upper end of the hinged position of the connecting rods, the elastic clamps comprise a fixing frame and a sliding clamp, the inner end of the fixing frame is fixedly connected with one end of the elastic telescopic rod, and the lower end of the fixing frame is provided with a positioning protrusion protruding downwards;

the sliding clamp comprises a horizontal fixing plate, a vertical sliding plate and a horizontal clamping protrusion which are sequentially and fixedly connected, wherein the horizontal fixing plate and the horizontal clamping protrusion are respectively and vertically fixedly connected with the upper end and the lower end of the vertical sliding plate, the upper end of the horizontal fixing plate is hinged with the lower end of the connecting rod, the vertical sliding plate and the fixing frame are internally provided with vertical sliding holes to form sliding fit, the horizontal clamping protrusion is protruded in the direction of the adjacent sliding clamp, and the horizontal clamping protrusion and the corresponding positioning protrusion form a clamping cavity for clamping and fixing the I-shaped steel.

Preferably, the back of mount is equipped with outside bellied fixed block, be equipped with on the fixed block with relative vertical slide length direction extension's screw hole, threaded hole threaded connection has spacing threaded rod, spacing threaded rod lower part passes the fixed block, first thrust spring has been cup jointed to spacing threaded rod lower part, the lower extreme of fixed block is connected to first thrust spring upper end, the screens connecting plate that first thrust spring lower extreme is connected and is equipped with, the bottom of the vertical slide of screens connecting plate vertical fixed connection, the up end of screens connecting plate constitutes the top with spacing threaded rod and leans on spacing cooperation. The adjusting threaded rod provided by the utility model has two functions, namely the first adjusting threaded rod is used for fixing the first thrust spring and preventing the first thrust spring from falling off; the second is used for providing corresponding limiting function, and preventing the horizontal clamping position protrusion from excessively moving upwards to collide with the positioning protrusion.

Preferably, the telescopic rod comprises an outer sleeve rod and an inner slide rod, a movable cavity which is in sliding fit with the inner slide rod is formed in the outer sleeve rod, a second thrust spring is arranged in the movable cavity, and two ends of the second thrust spring are respectively connected with the inner wall of the movable cavity and the inner end part of the inner slide rod.

Preferably, the lower side of the inner slide rod is provided with a lower limit flange which is in limit abutting connection with the upper end of the I-shaped steel, the lower end of the lower limit flange is flush with the lower end of the positioning boss, the lower limit flange extends along the length direction of the inner slide rod, the lower side of the outer sleeve rod is provided with a sliding port in sliding fit with the lower limit flange, and the sliding port extends along the length direction of the outer sleeve rod. The arrangement of the lower limit flange has two functions: the first device is used for forming abutting limit for the I-shaped steel, so that the clamping effect for the I-shaped steel is further improved; and secondly, the phenomenon that the inner slide rod and the outer sleeve rod are mutually offset can be prevented, and the coaxiality of the inner slide rod and the outer sleeve rod is kept.

Preferably, the upper end of the horizontal fixing plate is provided with a hinged end, and the hinged end is hinged with the lower end of the connecting rod.

The beneficial effects are that: according to the utility model, by applying corresponding upward tension to the hanging ring, the moment drives the horizontal fixing plate to automatically move upwards through the connecting rod, so that the vertical sliding plate is driven to slide upwards relative to the fixing frame, and the horizontal clamping position protrusion moves upwards to be matched with the positioning protrusion to clamp and fix the industrial steel. After the horizontal clamping position protrusion is clamped and fixed, the whole lifting appliance is driven to move upwards.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment.

Fig. 2 is a schematic front view of an embodiment.

Fig. 3 is a bottom view of the embodiment.

Fig. 4 is a schematic structural view of the elastic clamp.

Fig. 5 is a schematic cross-sectional view of the spring clip.

Reference numerals: 1. a hanging ring; 2. a connecting rod; 3. a fixing frame; 4. a slide clamp; 41. a horizontal fixing plate; 42. a vertical slide plate; 43. a horizontal clamping protrusion; 5. positioning the bulge; 6. a fixed block; 7. limiting the threaded rod; 8. a first thrust spring; 9. a clamping connecting plate; 10. an outer sleeve rod; 11. an inner slide bar; 12. a lower limit flange; 13. a sliding port; 14. a hinged end; 15. and a second thrust spring.

Detailed Description

The utility model is further illustrated with reference to figures 1-5 and examples.

Examples: as shown in fig. 1, a lifting appliance for an H-beam comprises a lifting ring 1, a lifting frame, an elastic telescopic rod and two elastic clamps fixedly connected with two ends of the elastic telescopic rod.

As shown in fig. 1, the hanger comprises two symmetrical connecting rods 2 which are mutually crossed and hinged, the hanging ring 1 is arranged at the upper end of the hinged position of the connecting rods 2, the elastic clamp comprises a fixing frame 3 and a sliding clamp 4, one end of the elastic telescopic rod is fixedly connected with the inner end of the fixing frame 3, and a positioning protrusion 5 protruding downwards is arranged at the lower end of the fixing frame 3.

As shown in fig. 1-2, the telescopic rod comprises an outer sleeve rod 10 and an inner sliding rod 11, a movable cavity which is in sliding fit with the inner sliding rod 11 is arranged in the outer sleeve rod 10, a second thrust spring 15 is arranged in the movable cavity, and two ends of the second thrust spring 15 are respectively connected with the inner wall of the movable cavity and the inner end part of the inner sliding rod 11. The lower side of the inner slide 11 is provided with a lower limit flange 12 which is in limit and propped against the upper end of the I-shaped steel, the lower end of the lower limit flange 12 is flush with the lower end of the positioning boss 5, the lower limit flange 12 extends along the length direction of the inner slide 11, the lower side of the outer sleeve 10 is provided with a sliding opening 13 which is in sliding fit with the lower limit flange 12, and the sliding opening 13 extends along the length direction of the outer sleeve 10. The provision of the lower limit flange 12 has two functions: the first device is used for forming abutting limit for the I-shaped steel, so that the clamping effect for the I-shaped steel is further improved; and secondly, the inner slide bar 11 and the outer sleeve bar 10 can be prevented from being mutually offset, and the coaxiality of the inner slide bar and the outer sleeve bar is kept.

As shown in fig. 3-5, the sliding clamp 4 comprises a horizontal fixing plate 41, a vertical sliding plate 42 and a horizontal clamping protrusion 43 which are fixedly connected in sequence, the upper end of the horizontal fixing plate 41 is provided with a hinged end 14, and the hinged end 14 is hinged with the lower end of the connecting rod 2. The horizontal fixing plate 41 and the horizontal clamping position protrusions 43 are respectively and vertically fixedly connected with the upper end and the lower end of the vertical sliding plate 42, the upper end of the horizontal fixing plate 41 is hinged with the lower end of the connecting rod 2, the vertical sliding plate 42 and the vertical sliding holes arranged in the fixing frame 3 form sliding fit, the horizontal clamping position protrusions 43 are protruded in the direction of the adjacent sliding clamps 4, and the horizontal clamping position protrusions 43 and the corresponding positioning protrusions 5 form clamping cavities for clamping and fixing the I-shaped steel.

As shown in fig. 3-5, the back of the fixing frame 3 is provided with an outwardly protruding fixing block 6, the fixing block 6 is provided with a threaded hole extending along the length direction of the vertical sliding plate 42, a limiting threaded rod 7 is connected in the threaded hole, the lower portion of the limiting threaded rod 7 penetrates through the fixing block 6, a first thrust spring 8 is sleeved at the lower portion of the limiting threaded rod 7, the upper end of the first thrust spring 8 is connected with the lower end of the fixing block 6, the lower end of the first thrust spring 8 is connected with a clamping connection plate 9 which is provided with, the clamping connection plate 9 is vertically and fixedly connected with the bottom end of the vertical sliding plate 42, and the upper end face of the clamping connection plate 9 is in propping and limiting fit with the lower end of the limiting threaded rod 7. Normally, under the action of the first thrust spring 8, the vertical sliding plate 42 slides downwards relative to the fixing frame 3, and the horizontal clamping protrusions 43 and the positioning protrusions 5 are separated from each other, so that the H-shaped steel is convenient to pre-mount, and in the process of pulling up the connecting rod 2, the vertical sliding plate 42 is driven to overcome the elastic acting force of the first thrust spring 8, so that the H-shaped steel is clamped and fixed with the positioning protrusions 5. The adjusting threaded rod provided by the utility model has two functions, namely the first adjusting threaded rod is used for fixing the first thrust spring 8 and preventing the first thrust spring 8 from falling off; the second is to provide a corresponding limit function to prevent the horizontal clamping protrusion 43 from excessively moving upwards to collide with the positioning protrusion 5.

It is apparent that the above examples of the present utility model are merely illustrative of the present utility model and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary or impossible to exemplify all embodiments herein. And obvious changes and modifications which come within the spirit of the utility model are desired to be protected.

Claims (5)

1. A hoist for H girder steel, its characterized in that: the lifting device comprises a lifting ring (1), a lifting frame, an elastic telescopic rod and two elastic clamps fixedly connected with two ends of the elastic telescopic rod;

the lifting frame consists of two symmetrical connecting rods (2) which are mutually hinged in a crossing way, the lifting ring (1) is arranged at the upper end of the hinged part of the connecting rods (2), the elastic clamp comprises a fixing frame (3) and a sliding clamp (4), one end of an elastic telescopic rod is fixedly connected at the inner end of the fixing frame (3), and a positioning protrusion (5) protruding downwards is arranged at the lower end of the fixing frame (3);

the sliding clamp (4) comprises a horizontal fixing plate (41), a vertical sliding plate (42) and a horizontal clamping protrusion (43) which are sequentially and fixedly connected, wherein the horizontal fixing plate (41) and the horizontal clamping protrusion (43) are respectively and vertically fixedly connected with the upper end and the lower end of the vertical sliding plate (42), the upper end of the horizontal fixing plate (41) is hinged with the lower end of a connecting rod (2), the vertical sliding plate (42) and the fixing frame (3) are internally provided with vertical sliding holes to form sliding fit, the horizontal clamping protrusion (43) is protruded relative to the adjacent sliding clamp (4), and the horizontal clamping protrusion (43) and the corresponding positioning protrusion (5) form a clamping cavity for clamping and fixing an industrial steel.

2. A spreader for H-beams according to claim 1, wherein: the back of mount (3) is equipped with outside bellied fixed block (6), be equipped with on fixed block (6) with relative vertical slide (42) length direction extension's screw hole, threaded connection has spacing threaded rod (7), fixed block (6) are passed to spacing threaded rod (7) lower part, first thrust spring (8) have been cup jointed to spacing threaded rod (7) lower part, the lower extreme of fixed block (6) is connected to first thrust spring (8) upper end, screens connecting plate (9) that are equipped with are connected to first thrust spring (8) lower extreme, the bottom of vertical slide (42) of screens connecting plate (9) perpendicular fixed connection, the up end of screens connecting plate (9) constitutes the top with the lower extreme of spacing threaded rod (7) and leans on spacing cooperation.

3. A spreader for H-beams according to claim 1, wherein: the telescopic rod comprises an outer sleeve rod (10) and an inner slide rod (11), a movable cavity which is in sliding fit with the inner slide rod (11) is formed in the outer sleeve rod (10), a second thrust spring (15) is arranged in the movable cavity, and two ends of the second thrust spring (15) are respectively connected with the inner wall of the movable cavity and the inner end part of the inner slide rod (11).

4. A spreader for H-beams according to claim 3, wherein: the lower side of interior slide bar (11) is equipped with and constitutes spacing lower limit flange (12) that supports with the I-steel upper end, lower limit flange (12) lower extreme and location protruding (5) lower extreme parallel and level, lower limit flange (12) extend along the length direction of interior slide bar (11), the downside of overcoat pole (10) is equipped with lower limit flange (12) and constitutes slip complex slide opening (13), slide opening (13) extend along the length direction of overcoat pole (10).

5. A spreader for H-beams according to claim 1, wherein: the upper end of the horizontal fixing plate (41) is provided with a hinged end (14), and the hinged end (14) is hinged with the lower end of the connecting rod (2).