CN211283403U

CN211283403U - Manual lifting appliance for quickly lifting shaft workpiece with groove

Info

Publication number: CN211283403U
Application number: CN201921827924.3U
Authority: CN
Inventors: 荣俊林; 毛建厂
Original assignee: Tianyong Machinery Electronics Taicang Co Ltd
Current assignee: Tianyong Machinery Electronics Taicang Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-08-18
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a manual lifting appliance for quickly lifting shaft workpieces with grooves, which is used for lifting workpieces and comprises a lifting lug, wherein the bottom of the lifting lug is connected with a central shaft, an inner cavity for placing workpieces is arranged in the central shaft, a sliding sleeve is sleeved outside the central shaft, and a sliding distance is arranged between the top of the sliding sleeve and the bottom of the lifting lug; and a clamping device is arranged between the sliding sleeve and the central shaft, and a clamping structure matched with the clamping device is arranged on the inner wall of the sliding sleeve. The utility model discloses an in the public head of quick detach inserted the female head of quick detach, block the connecting rod through the steel ball and realize the high-speed joint, the function of quick dismantlement is realized to the simultaneous push-up sliding sleeve, and the assembly combination of part has reduced the operation requirement, guarantees the assembly process requirement, and simple structure, installation and convenient to use.

Description

Manual lifting appliance for quickly lifting shaft workpiece with groove

Technical Field

The utility model relates to a structure in mechanical equipment assembly field specifically is a manual quick hoist.

Background

The hoist of hoist and mount grooved axle at present is the mode that the three-jaw cylinder hugs closely, but when the work piece of needs hoist and mount is heavier, when the work piece focus was than far away again apart from the claw, probably just need select the three-jaw cylinder that the cylinder diameter is bigger for use, the claw of embracing the axle simultaneously needs to be done than stronger, but to the hoist, because of manual operation, the three-jaw cylinder is more occupation space, still need consider the line mode of walking of trachea and electric wire simultaneously, consider the self-lock device of outage or outage suddenly, because of being cylinder control, need external start button, whole get off, the hoist looks heavier, the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is not enough to the above-mentioned of current structure, provide a new manual quick hoist, overcome current three-jaw cylinder hoist inconvenient operation not enough.

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

a manual lifting appliance for quickly lifting shaft workpieces with grooves is used for lifting workpieces and comprises a lifting lug, wherein the bottom of the lifting lug is connected with a central shaft, an inner cavity for placing workpieces is formed in the central shaft, a sliding sleeve is sleeved outside the central shaft, and a sliding distance is formed between the top of the sliding sleeve and the bottom of the lifting lug; and a clamping device is arranged between the sliding sleeve and the central shaft, and a clamping structure matched with the clamping device is arranged on the inner wall of the sliding sleeve.

Preferably, the upper clamping structure of the inner wall of the sliding sleeve is a structure with a narrow top and a wide bottom, and the clamping structure with the narrow top and the wide bottom of the inner wall of the sliding sleeve is in contact with the clamping device through the sliding sleeve.

Preferably, the clamping device comprises steel balls, through holes are formed in the two sides of the central shaft, the steel balls are arranged in the through holes, one side of each steel ball is in contact with the sliding sleeve, and the other side of each steel ball is in contact with a shaft, butted with a workpiece, in the central shaft.

Preferably, a spring is sleeved outside the central shaft, one end of the spring is in contact with the bottom of the lifting lug, a boss structure is arranged on the inner wall of the sliding sleeve, and the other end of the spring is arranged on the boss of the sliding sleeve.

Preferably, a release handle is connected to the sliding sleeve.

Preferably, a handle is arranged on one side of the lifting lug.

Preferably, the top of the lifting lug is connected with a lifting ring.

The utility model discloses an in the public head of quick detach inserted the female head of quick detach, block the connecting rod through the steel ball and realize the high-speed joint, the function of quick dismantlement is realized to the simultaneous push-up sliding sleeve, and the assembly combination of part has reduced the operation requirement, guarantees the assembly process requirement, and simple structure, installation and convenient to use.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a hanger before lifting a workpiece and after releasing the workpiece (a steel ball is separated from a groove of the workpiece);

FIG. 2 is a cross-sectional view of the workpiece of FIG. 1 before it is lifted and after it is released;

fig. 3 is a schematic perspective view of the hanger provided by the present invention when clamping a workpiece (the steel ball blocks the groove of the workpiece);

fig. 4 is a sectional view of fig. 3 in a state of clamping a workpiece.

Reference numbers in the figures:

1 lifting lug, 2 central shaft, 3 sliding sleeve, 4 handle, 5 release handle, 6 spring, 7 lifting ring, 8 steel ball; 9. and (5) a workpiece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 1 to 4, for the utility model provides a manual lifting appliance for quickly lifting grooved shaft workpieces, for lifting grooved workpieces 9, including a lifting lug 1, the lifting lug 1 includes a big cylinder and a small cylinder structure, the small cylinder is connected with the big cylinder and is integrated into one piece, the bottom of the big cylinder is connected with a central shaft 2 through screw fixation, the small cylinder is sleeved outside the central shaft 2, an inner cavity for placing the workpiece 9 is left in the central shaft 2, a sliding sleeve 3 is sleeved outside the central shaft 2, a sliding distance is provided between the top of the sliding sleeve 3 and the bottom of the big cylinder of the lifting lug 1, and the inner wall of the top of the sliding sleeve 3 is contacted with the outer wall of the small cylinder of the lifting lug 1;

through holes are formed in the two sides of the central shaft 2, the steel balls 8 are arranged in the through holes, one side of each steel ball 8 is in contact with the inner wall of the sliding sleeve 3, and the other side of each steel ball 8 is in contact with a groove in the central shaft 2, which is butted with a workpiece 9.

A spring 6 is sleeved outside the central shaft 2, one end of the spring 6 is in contact with the bottom of the small cylinder of the lifting lug 1, the inner wall of the sliding sleeve 3 is provided with a boss structure, and the other end of the spring 6 is arranged on the boss of the sliding sleeve 3; the inner wall structure of the sliding sleeve 3 is a structure with a narrow top and a wide bottom, and a clamping structure with a narrow top and a wide bottom on the inner wall of the sliding sleeve 3 is in contact with the steel ball 8 through the sliding sleeve 3; when the sliding sleeve 3 slides upwards, the gap between the lower width of the inner wall of the sliding sleeve 3 and the steel ball 8 is enlarged; when the sliding sleeve 3 slides downwards, the gap between the upper part of the inner wall of the sliding sleeve 3 and the steel ball 8 is reduced, and the steel ball 8 is clamped in the groove of the workpiece 9, so that the workpiece 9 is clamped.

Furthermore, for the single-hand operation of an operator, one side of the lifting lug 1 is fixedly connected with the handle 4, and the slidable sliding sleeve 3 is connected with a release handle 5 which is arranged on the same side as the handle 4, so that the operator can conveniently hold the operation by one hand.

Further, the top of the lifting lug 1 is connected with a lifting ring 7.

The utility model discloses operating condition as follows:

the central shaft 2 is provided with a through hole embedded with a steel ball 8, after the steel ball 8 is embedded into the through hole, the sliding sleeve 3 is sleeved outside the central shaft 2, and one side of the through hole is blocked by the inner wall of the sliding sleeve 3 in order to prevent the steel ball 8 from sliding off. The clamping is maintained under radial pressure by the steel balls 8 between the parts.

The working principle of the utility model is as follows:

when the workpiece 9 is hoisted, an operator presses the upper surface of the handle 4 by using the thumb of the right hand, the forefinger lifts the release handle 5 upwards, the spring 6 is compressed, the steel ball can slide 8 into the conical surface of the sliding sleeve 2, then the operator sleeves the hoisting tool on the shaft from the position right above the workpiece 9, after the hoisting tool is placed in position, the forefinger releases the release handle 5, the sliding sleeve 3 moves downwards under the action of the spring force, the inner wall of the sliding sleeve 3 blocks the outer surface of the steel ball 8, and the workpiece 9 keeps pressure and is not separated due to the matching of the steel ball 8 and the clamping groove.

When releasing the workpiece 9, the operator presses the upper surface of the handle 4 by using the thumb of the right hand, simultaneously, the forefinger lifts the release handle upwards, the spring 6 is compressed, the steel ball 8 can slide into the conical surface of the sliding sleeve, and then the hanger is separated from the workpiece 9.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A manual lifting appliance for quickly lifting shaft workpieces with grooves is used for lifting workpieces (9) and comprises lifting lugs (1), wherein the bottom of each lifting lug (1) is connected with a central shaft (2), an inner cavity for placing the workpieces (9) is formed in the central shaft (2), a sliding sleeve (3) is sleeved outside the central shaft (2), and a sliding distance is formed between the top of the sliding sleeve (3) and the bottom of each lifting lug (1); the clamping device is characterized in that a clamping device is arranged between the sliding sleeve (3) and the central shaft (2), and a clamping structure matched with the clamping device is arranged on the inner wall of the sliding sleeve (3).

2. The manual lifting appliance for quickly lifting shaft workpieces with grooves according to claim 1, wherein the upper clamping structure on the inner wall of the sliding sleeve (3) is a structure with a narrow top and a wide bottom, and the clamping structure on the inner wall of the sliding sleeve (3) with the narrow top and the wide bottom is in contact with the clamping device through sliding the sliding sleeve (3).

3. The manual lifting appliance for quickly lifting shaft workpieces with grooves according to claim 1, wherein the clamping device comprises steel balls (8), through holes are formed in two sides of the central shaft (2), the steel balls (8) are arranged in the through holes, one side of each steel ball (8) is in contact with the sliding sleeve (3), and the other side of each steel ball is in contact with a shaft, butted with a workpiece (9), in the central shaft (2).

4. The manual lifting appliance for quickly lifting shaft workpieces with grooves according to claim 1, wherein a spring (6) is sleeved outside the central shaft (2), one end of the spring (6) is in contact with the bottom of the lifting lug (1), the inner wall of the sliding sleeve (3) is provided with a boss structure, and the other end of the spring (6) is arranged on the boss of the sliding sleeve (3).

5. The manual lifting appliance for quickly lifting grooved shaft workpieces as claimed in claim 1, wherein the sliding sleeve (3) is connected with a release handle (5).

6. The manual lifting appliance for quickly lifting grooved shaft workpieces as recited in claim 1, characterized in that a handle (4) is provided at one side of the lifting lug (1).

7. The manual lifting appliance for quickly lifting grooved shaft workpieces as recited in claim 1, characterized in that the top of the lifting lug (1) is connected with a lifting ring (7).