CN218841441U - Single-lifting-point lifting appliance - Google Patents

Abstract

A single-lifting-point lifting appliance comprises a main beam, a connecting plate A, a connecting plate B and a lifting hook, wherein the bottoms of two ends of the main beam are respectively and vertically provided with a cross beam, and the bottom end of the cross beam is connected with an object to be lifted through a traction mechanism; the top end of the middle part of the main beam is provided with a hanging lug, the hanging lug is correspondingly hung with the hook head end of the lifting hook, the hook body of the lifting hook is correspondingly connected with the main beam through a connecting plate A and a connecting plate B, the connecting plate A, the connecting plate B, the lifting hook and the main beam are correspondingly in a quadrilateral structure, and the top end of the lifting hook is used for being connected with a hoisting device; this hoist can improve work efficiency, the cost of using manpower sparingly, and hoist and mount stability height.

Description

Single-lifting-point lifting appliance

Technical Field

The utility model belongs to the technical field of the jack-up handling technique and specifically relates to a single hoisting point hoist is related to.

Background

As is known, a lifting appliance for rocket carrying models of arrow bodies at all levels generally adopts a single-beam cross type four-sling cable-stayed lifting mode, namely, the axis of a lifting beam of the lifting appliance is vertical to the axis of the arrow body, and the axis of a longitudinal beam is parallel to the axis of the arrow body; the lifting appliance is characterized in that the lifting appliance is lifted by adopting a flexible lifting hook single hook, the deviation of the axial mass center is compensated by allowing the horizontal inclination of less than or equal to 3 degrees, the lifting appliance swings up and down along the lifting axis and rotates left and right along the vertical lifting axis in the lifting process, and the posture of the lifting appliance needs to be controlled by a front and rear traction rope mode; because the hoisting mode is greatly influenced by human factors, the momentum of the hoisting tool and the hoisted object is large under the condition that the crane is suddenly stopped or in an emergency, and the potential safety hazard exists only by controlling the posture of the product by a pilot, the hoisting tool cannot meet the requirement of automatic hoisting and has low efficiency;

chinese patent (CN 202022488191.4) discloses a hoisting device for a marine diesel engine connecting rod, by compactly arranging the whole structure, when the marine diesel engine connecting rod is hoisted, the installation positions of flexible fixing plates on a first sliding block and a second sliding block can be flexibly adjusted according to the structural size of the connecting rod, the application range of the hoisting device is wide, the flexible fixing plates are used for surrounding the fixed connecting rod, the connecting rod is ensured to be firmly installed, the hoisting is stable, the operation is simple, and the hoisting device is suitable for popularization and use; however, the position of the sliding block needs to be frequently adjusted, so that the lifting appliance is complicated in the lifting process, and the sliding block is easy to slide, which is not beneficial to the stability of the lifting appliance in the lifting process;

to sum up, a lifting appliance which can improve the working efficiency, save the labor cost and stably lift is needed in the current market.

Disclosure of Invention

In order to overcome the deficiency in the background art, the utility model discloses a single hoisting point hoist.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a single-lifting-point lifting appliance comprises a main beam, a connecting plate A, a connecting plate B and a lifting hook, wherein the bottoms of two ends of the main beam are respectively and vertically provided with a cross beam, and the bottom end of the cross beam is connected with an object to be lifted through a traction mechanism; the top at girder middle part is equipped with the hangers, and the hangers corresponds with the gib head end of lifting hook to articulate, and the shank of lifting hook corresponds with the girder through connecting plate A and connecting plate B and is connected, and connecting plate A, connecting plate B, lifting hook and girder correspond and be quadrilateral, and the top of lifting hook is used for being connected with hoisting equipment.

Preferably, the included angle between the connecting plate A and the main beam is larger than that between the connecting plate B and the main beam.

Preferably, the head ends of the connecting plate A and the connecting plate B are hinged with the hook body of the lifting hook correspondingly, the tail ends of the connecting plate A and the connecting plate B are provided with a long strip vertical hole, the beam body of the girder is provided with a slide hole corresponding to the long strip vertical hole in a matched mode, and the long strip vertical hole and the slide hole are internally used for a bolt to penetrate through.

Preferably, the traction mechanism is a hinge, a steel wire rope or an air cylinder.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a single-lifting-point lifting appliance, which has a quadrilateral structure consisting of a connecting plate A, a connecting plate B, a lifting hook and a girder, so that the connection between the lifting hook and the girder is more stable, the posture of the girder can be adjusted without manpower, and manpower and material resources are saved;

in addition, the lifting appliance can directly connect the traction mechanism with the object to be lifted, and then lifting equipment works to lift the object to be lifted, so that the working efficiency of the lifting equipment is greatly improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. a main beam; 2. a cross beam; 3. a traction mechanism; 4. a hook; 5. a connecting plate A; 6. a connecting plate B; 7. an object to be hung.

Description of the preferred embodiment

In the following description, the technical solution of the present invention will be described with reference to the accompanying drawings in the embodiment of the present invention, it should be understood that, if there are the indicated positions or positional relationships such as "upper", "lower", "front", "rear", "left", "right", etc., it only corresponds to the drawings of the present invention, and for convenience of description, it is not intended to indicate or imply that the indicated device or element must have a specific position:

the single-hoisting-point lifting appliance described by combining the attached figure 1 comprises a main beam 1, a connecting plate A5, a connecting plate B6 and a lifting hook 4, wherein the bottoms of the two ends of the main beam 1 are respectively and vertically provided with a cross beam 2, the bottom end of the cross beam 2 is connected with an object 7 to be hoisted through a traction mechanism 3, the axis of the object 7 to be hoisted is correspondingly parallel to the axis of the main beam 1, particularly, the traction mechanism 3 is a hinge, a steel wire rope or an air cylinder, when the traction mechanism 3 is a flexible connecting piece, such as a hinge or a steel wire rope, the high stability can be kept in the transportation process through the gravity of the object 7 to be hoisted, and when the traction mechanism 3 is a rigid connecting piece, such as an air cylinder, the traction mechanism 3 can realize the posture adjustment of the object 7 to be hoisted through extending out or retracting the air cylinder according to the posture of the object 7 to be hoisted;

the top end of the middle part of the main beam 1 is provided with a hanging lug, the hanging lug is correspondingly hung with the hook head end of the hanging hook 4, the hanging lug is positioned at the center of the main beam 1, so that after being hung by the hanging hook 4, the gravity center of the whole hanger is stable, the hook body of the hanging hook 4 is correspondingly connected with the main beam 1 through a connecting plate A5 and a connecting plate B6, the connecting plate A5, the connecting plate B6, the hanging hook 4 and the main beam 1 are correspondingly in a quadrilateral structure, the connection between the hanging hook 4 and the main beam 1 is more stable, the top end of the hanging hook 4 is used for being connected with hoisting equipment, in addition, the head ends of the connecting plate A5 and the connecting plate B6 are correspondingly hinged with the hook body of the hanging hook 4, the tail ends of the connecting plate A5 and the connecting plate B6 are respectively provided with a long vertical hole, the long vertical hole is correspondingly matched with the long vertical hole, a bolt penetrates through the long vertical hole and the sliding hole, the bolt can move in the long vertical hole, so that a certain corresponding displacement amount exists between the connecting plate A5 and the connecting plate B6 and the main beam 1, and the stable hoisting can be maintained when the hanging hook 4 shakes in the air; according to needs, the contained angle of connecting plate A5 and girder 1 is greater than the contained angle of connecting plate B6 and girder 1, because there is the weight difference at the head and the tail of the carrying arrow body of waiting to hang, therefore anomalous quadrangle can more the adaptation wait to hang object 7.

The details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claim concerned.

Claims (4)

1. The utility model provides a single hoisting point hoist, characterized by: the lifting device comprises a main beam (1), a connecting plate A (5), a connecting plate B (6) and a lifting hook (4), wherein the bottoms of two ends of the main beam (1) are respectively and vertically provided with a cross beam (2), and the bottom end of the cross beam (2) is connected with an object (7) to be lifted through a traction mechanism (3); the top at girder (1) middle part is equipped with the hangers, and the hangers corresponds with the gib head end of lifting hook (4) and articulates, and the shank of lifting hook (4) corresponds through connecting plate A (5) and connecting plate B (6) and is connected with girder (1), and connecting plate A (5), connecting plate B (6), lifting hook (4) and girder (1) correspond and are the quadrangle structure, and the top of lifting hook (4) is used for being connected with hoisting equipment.

2. The single point of suspension spreader of claim 1 wherein: the included angle between the connecting plate A (5) and the main beam (1) is larger than that between the connecting plate B (6) and the main beam (1).

3. The single-lifting-point spreader of claim 1, wherein: the head end of connecting plate A (5) and connecting plate B (6) all corresponds with the shank of lifting hook (4) articulated, and the end of connecting plate A (5) and connecting plate B (6) all is equipped with rectangular perpendicular hole, and the roof beam body of girder (1) is equipped with and corresponds complex slide opening with rectangular perpendicular hole, is used for the bolt to pass in rectangular perpendicular hole and the slide opening.

4. The single point of suspension spreader of claim 1 wherein: the traction mechanism (3) is a hinge, a steel wire rope or an air cylinder.

Images