CN218988565U - Lifting appliance suitable for variable-diameter shaft parts - Google Patents

Abstract

The utility model discloses a lifting appliance suitable for variable-diameter shaft parts, and belongs to the field of lifting appliance design. The hanger suitable for the variable diameter shaft parts comprises a connecting rod which is arranged in a quadrilateral manner, wherein the intersection point of the top of the connecting rod is hinged to one end of a hanging beam, the intersection points of the two sides of the connecting rod are respectively hinged to one ends of two upper connecting shafts, a first clamp claw is arranged at the intersection point of the bottom of the connecting rod, and the intersection point of the middle of the clamp claw is hinged to one end of a lower connecting shaft; the other end of the hanging beam, the other end of the upper connecting shaft and the other end of the lower connecting shaft are hinged with another set of connecting rods, and the bottoms of the connecting rods are provided with second clamp claws. The hanger suitable for the variable-diameter shaft parts has different radii of clamping surfaces of the jaws at two sides, is determined according to the diameters of the outer circles at two ends of the parts, and can be attached to the outer circles of the variable-diameter shaft parts. When the lifting tool is used, the part is placed flat, the lifting tool clamp claw is opened to clamp the outer circle of the part, and when the lifting tool is lifted, the clamp claw is automatically locked under the action of gravity, so that the part is prevented from falling, and the safety is good.

Description

Lifting appliance suitable for variable-diameter shaft parts

Technical Field

The utility model belongs to the field of lifting appliance design, and particularly relates to a lifting appliance suitable for variable-diameter shaft parts.

Background

At present, when processing shaft parts, the human power is difficult to transport, load and unload due to the large size and weight of part parts. The profile of the shaft part is shown in figure 1, the total length is 330mm, the maximum diameter is 170mm, and the weight is 30kg. When loading and unloading the part, because part both ends weight distribution is inhomogeneous, the part can't keep the horizontality when using ordinary lifting hook hoist and mount, needs the manpower to assist, and the operation is difficult, and is dangerous big, and hoist and lathe fixture locating surface take place to interfere easily. Therefore, a novel lifting appliance is urgently needed, a part can be lifted by a single operator, the part is kept in a horizontal state and is placed on a machine tool clamp, and a great deal of time and labor are saved during loading and unloading.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a lifting appliance suitable for reducing shaft parts.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

the hanger suitable for the variable diameter shaft parts comprises a connecting rod which is arranged in a quadrilateral manner, wherein the intersection point of the top of the connecting rod is hinged to one end of a hanging beam, the intersection points of the two sides of the connecting rod are respectively hinged to one ends of two upper connecting shafts, a first clamp claw is arranged at the intersection point of the bottom of the connecting rod, and the intersection point of the middle of the clamp claw is hinged to one end of a lower connecting shaft;

the other end of the hanging beam, the other end of the upper connecting shaft and the other end of the lower connecting shaft are hinged with another set of connecting rods, and the bottoms of the connecting rods are provided with second clamp claws.

Further, a movable lifting lug is arranged on the hanging beam.

Further, a sliding groove for providing travel for the lifting lug is arranged on the lifting beam.

Further, the lifting lug is positioned by a screw.

Further, one end of the lower connecting shaft is also provided with a balancing weight.

Further, the balancing weight is fixedly connected by a nut.

Further, the structure and the size of the two sets of connecting rods are the same.

Further, the first jaw and the second jaw have different clamping radii.

Compared with the prior art, the utility model has the following beneficial effects:

the hanger suitable for the variable-diameter shaft parts has different radii of clamping surfaces of the jaws at two sides, is determined according to the diameters of the outer circles at two ends of the parts, and can be attached to the outer circles of the variable-diameter shaft parts. When the lifting tool is used, the part is placed flat, the lifting tool clamp claw is opened to clamp the outer circle of the part, and when the lifting tool is lifted, the clamp claw is automatically locked under the action of gravity, so that the part is prevented from falling, and the safety is good. Meanwhile, in the lifting process, the part can be kept horizontal and placed on the machine tool clamp, and the part can be conveniently assembled and disassembled as the part only contacts the upper surface of the part and can not interfere with the positioning surface of the clamp.

Furthermore, the hanging beam is provided with a chute, the uppermost lifting lug can move left and right on the hanging beam, the gravity center of the part is unstable and cannot be kept horizontal when the part is lifted, the position of the lifting lug can be moved to adjust the gravity center, and then the lifting lug is locked and positioned by using a screw.

Furthermore, when the weight difference between the two ends of the part is too large, the balancing weight is additionally arranged on one side for adjustment, so that the part is always in a horizontal state, and the danger caused by sliding in the air is prevented.

Drawings

FIG. 1 is a schematic structural view of a shaft-type component;

FIG. 2 is an overall view of the present utility model;

FIG. 3 is a front view of the present utility model;

fig. 4 is a side view of the present utility model.

Wherein: 1-a connecting rod; 2-a first jaw; 3-a second jaw; 4-lifting lugs; 5-screws; 6-hanging beams; 7-upper connecting shaft; 8-lower connecting shaft; 9-balancing weight; 10-nut.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

When the irregular shaft parts are required to be assembled and disassembled, the irregular shaft parts are difficult to carry by manpower, the common lifting hooks cannot be clamped, and the irregular shaft parts are required to be assembled and disassembled by multiple persons in a coordinated manner, so that the time consumption is long, and potential safety hazards exist. In order to solve the problems, the utility model designs the lifting appliance suitable for the variable-diameter shaft parts, which can conveniently lift irregular shaft parts, is convenient to operate, saves time and labor, can be used by a single person, and has higher safety.

The utility model is described in further detail below with reference to the attached drawing figures:

referring to fig. 2-4, a lifting appliance suitable for variable diameter shaft parts comprises a connecting rod 1 which is arranged in a quadrilateral manner, wherein the top intersection point of the connecting rod 1 is hinged at one end of a lifting beam 6, the intersection points of two sides of the connecting rod 1 are respectively hinged at one ends of two upper connecting shafts 7, a first clamp claw 2 is arranged at the bottom intersection point of the connecting rod 1, and the middle intersection point of the clamp claw 2 is hinged at one end of a lower connecting shaft 8; the other end of the hanging beam 6, the other end of the upper connecting shaft 7 and the other end of the lower connecting shaft 8 are all hinged with another set of connecting rods, and the bottoms of the connecting rods are provided with second clamp claws 3; the hanging beam 6 is provided with a movable lifting lug 4, and the lifting lug 4 is positioned by a screw 5; one end of the lower connecting shaft 8 is also provided with a balancing weight 9, and the balancing weight 9 is fixedly connected by a nut.

The utility model provides a lifting appliance suitable for variable-diameter shaft parts, and the structure of the lifting appliance is shown in fig. 2 and 3. The whole adopts the lever principle, and four movable joints are respectively arranged at the left side and the right side. The radii of the clamping surfaces of the two clamp claws are different and are determined according to the diameters of the outer circles at the two ends of the part, so that the clamp claw can be attached to the outer circle of the clamping end. When the lifting tool is used, the part is placed flat, the lifting tool clamp claw is opened to clamp the outer circle of the part, and when the lifting tool is lifted, the clamp claw is automatically locked under the action of gravity, so that the part is prevented from falling, and the safety is good. The hanging beam 6 is provided with a chute, the uppermost lifting lug 4 can move left and right on the hanging beam 6, the gravity center of a part is unstable and cannot be kept horizontal when the part is lifted, the lifting lug 4 can be moved to adjust the gravity center, and then the screw 5 is used for locking and positioning. When the weight difference between the two ends of the part is too large, the weight 9 can be assembled on one side for adjustment, so that the part is always in a horizontal state, and the danger caused by sliding from the air is prevented.

When the lifting tool is used, no extra manpower is needed for assistance, the horizontal placement of the part on the machine tool fixture can be ensured, the part is convenient to assemble and disassemble, the use is short, and the safety is high because the part is only contacted with the upper surface of the part and cannot interfere with the locating surface of the fixture.

The operation method of the utility model is as follows:

when the lifting lug 4 is used, the lifting lug is connected with a lifting hook of a lifting machine, the clamp claw is opened to hold the excircle of the shaft part, and then lifting is started; because of the action of gravity, the clamp claw can automatically clamp the part, and after the part is placed, the clamp claw can be loosened and separated, so that the clamp claw is convenient for operators to assemble and disassemble. The position of the lifting lug and the balancing weight can be adjusted as required, so that the gravity center is stable during lifting, the parts are kept in a horizontal state, and sliding is avoided.

The above is only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the claims of the present utility model.

Claims (8)

1. The lifting appliance is suitable for variable diameter shaft parts and is characterized by comprising a connecting rod (1) which is arranged in a quadrilateral manner, wherein the top intersection point of the connecting rod (1) is hinged to one end of a lifting beam (6), the intersection points of two sides of the connecting rod (1) are respectively hinged to one ends of two upper connecting shafts (7), a first clamp claw (2) is arranged at the bottom intersection point of the connecting rod (1), and the middle intersection point of the first clamp claw (2) is hinged to one end of a lower connecting shaft (8);

the other end of the hanging beam (6), the other end of the upper connecting shaft (7) and the other end of the lower connecting shaft (8) are hinged with another set of connecting rods, and the bottoms of the connecting rods are provided with second clamp claws (3).

2. The lifting appliance suitable for reducing shaft parts according to claim 1, characterized in that the lifting beam (6) is provided with a movable lifting lug (4).

3. The lifting appliance applicable to variable-diameter shaft parts according to claim 2, characterized in that the lifting beam (6) is provided with a chute for providing travel for the lifting lug (4).

4. A lifting appliance suitable for reducing shaft type parts according to claim 2 or 3, characterized in that the lifting lug (4) is positioned by a screw (5).

5. The lifting appliance for reducing shaft parts according to claim 1, characterized in that one end of the lower connecting shaft (8) is also provided with a balancing weight (9).

6. The lifting appliance for reducing shaft parts according to claim 5, characterized in that the balancing weight (9) is fixed by a nut connection.

7. The hanger for reducing shaft parts of claim 1 wherein the two sets of links are identical in construction and size.

8. The lifting appliance applicable to variable-diameter shaft parts according to claim 1, wherein the clamping radii of the first clamp jaw (2) and the second clamp jaw (3) are different.

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