CN212101666U - Inner hole part lifting appliance - Google Patents

Abstract

The utility model relates to a hole part hoist, complicated for solving current hole part hoist structure, the problem that bulk strength is low, the utility model discloses construct a hole part hoist, it includes the mounting panel, fixed mounting grabs the device on the mounting panel, every grabs the sleeve pipe that the device includes upper end and mounting panel fixed connection installation, the axial drive device of fixed mounting on the mounting panel, the upper end is connected with axial drive device and is driven the center pin that reciprocates at the cover intraductal, be provided with two relative windows on the sleeve pipe lower extreme pipe wall, install two claw bodies at the lower extreme of center pin, the one end of two claw bodies is articulated through articulated round pin axle with the center pin, the other end corresponds separately and is located double-phase to the window, be provided with the external top piece of claw with the claw body back sliding contact in the below of the claw body, the external top piece of claw and sleeve pipe fixed connection. The utility model discloses hole part hoist simple structure, processing and assembly manufacturability are good to because the bulk strength is high, lift by crane stably.

Description

Inner hole part lifting appliance

Technical Field

The utility model relates to a handling tool, more specifically say, relate to a hole part hoist.

Background

For cast or tailor-welded metal parts, some parts have irregular shapes and heavy weight. Such parts often present difficulties during production handling. Due to the heavy weight, the parts are not suitable to be carried by filling the outer edge contour with a clamp, and are not suitable to be carried by using a tray in some occasions, such as loading on a rack.

The through holes are usually formed in the parts, so that the inner hole part lifting tool can be used for lifting, but the conventional inner hole part lifting tool usually adopts a shaft expansion mode, a cam shaft is arranged at the center of the shaft expansion, the cam shaft is pushed by external force to move forward, the outer side of the shaft expansion is movably supported and expanded by the convex parts of the cam, and the effect of clamping in the through holes is achieved by supporting the inner walls of the through holes. However, the camshaft clamping mode has a complex structure and poor processing and assembling manufacturability, and is not suitable for clamping small-diameter holes with the diameter of less than 100 millimeters due to low overall strength.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is the problem that hole part hoist structure is complicated, bulk strength is low, and provides a hole part hoist, is convenient for make its simple structure, intensity big, the handling of the hole part of being convenient for.

The utility model discloses a realize that the technical scheme of its purpose is like: the inner hole part lifting appliance is characterized by comprising a mounting plate and at least one fixed mounting device, wherein the lifting device is arranged on the mounting plate and comprises a sleeve, an axial driving device and an upper end, the axial driving device is fixedly mounted on the mounting plate, the upper end of the sleeve is connected with the axial driving device, the axial driving device is driven by the axial driving device to move up and down in the sleeve, two opposite windows are arranged on the pipe wall of the lower end of the sleeve, two claw bodies are arranged at the lower end of the central shaft, one end of each claw body is hinged to the central shaft through a hinge pin shaft, the other end of each claw body is correspondingly positioned in the two opposite windows, and a claw body outer ejection piece in sliding contact with the back of each claw body is arranged below the claw body and is fixedly connected with the sleeve. The utility model discloses in, when using this hoist to lift by crane hole part, with the bushing in hole of hole part, and make the sleeve pipe end stretch out the back from the other end of hole, axial drive arrangement drive center pin downstream, the center pin pushes away the claw body, the claw body then rotates around articulated round pin axle under the combined action of center pin and the outer kicking piece of claw body, make the other end of the claw body stretch out from the window of sleeve pipe lower extreme, the front of the claw body and the hole end face contact of hole part, promote the lifting by crane that the mounting panel can realize hole part this moment.

In the inner hole part lifting appliance, the back surface of the claw body, which is contacted with the claw body outer ejector, is in an arc shape. The front surface of the claw body, which is used for contacting with the end surface of the inner hole part, is a flat surface.

In the inner hole part lifting appliance, the pipe wall opposite to the lower end of the sleeve is provided with a sliding groove, and the two ends of the hinge pin shaft hinged with the claw body and the central shaft are respectively positioned in the sliding grooves at the lower end of the sleeve. Further, the sliding groove penetrates through the pipe wall of the sleeve. The sliding groove penetrating through the wall of the sleeve not only plays a role in laterally limiting and supporting the hinge pin shaft, but also plays a role in assembling a fabrication hole of the hinge pin shaft.

In the inner hole part lifting appliance, the claw body outer jacking piece is a fixed pin shaft, and two ends of the claw body outer jacking piece are respectively fixedly connected with the pipe wall of the sleeve. Under the pushing action of the central shaft, the claw body is pushed by the claw body outer pushing piece (fixed pin shaft) to act on the top surface of the claw body, so that the claw body rotates.

In the above-mentioned hole part hoist, the sleeve pipe includes installation sleeve pipe and central axis sleeve pipe, installation sleeve pipe's upper end and mounting panel fixed connection, central axis sleeve pipe's upper end with installation sleeve pipe's lower extreme fixed connection, two relative windows that the sleeve pipe lower extreme set up central axis sleeve pipe's lower extreme.

In the inner hole part lifting appliance, the lower end of the central shaft sleeve is fixedly welded with the limiting block, a central shaft limiting hole is formed in the limiting block, the lower end of the central shaft penetrates into the central shaft limiting hole, and the claw body is located below the limiting block.

In the inner hole part lifting appliance, the axial driving device is an air cylinder or a hydraulic oil cylinder, and a piston rod of the air cylinder or the oil cylinder is fixedly connected with the central shaft. Or the axial driving device is an electric driving device.

Compared with the prior art, the utility model discloses hole part hoist simple structure, processing and assembly manufacturability are good to because the bulk strength is high, lift by crane stably.

Drawings

Fig. 1 is a schematic view of the state of the inner hole part lifted by the lifting appliance of the present invention.

Fig. 2 is a schematic structural diagram of the grabbing device in the lifting appliance of the present invention.

Fig. 3 is a partially enlarged view at B in fig. 2.

Fig. 4 is a schematic sectional view of the spreader of the present invention.

Fig. 5 is a partially enlarged view at C in fig. 4.

Fig. 6 is a partial view taken from the direction a in fig. 1.

Part names and serial numbers in the figure:

the device comprises an inner hole part 1, a mounting plate 2, an axial driving device 3, a sleeve 4, a mounting sleeve 41, a central shaft sleeve 42, a sliding groove 421, a limiting block 43, a fixed pin shaft 44, a central shaft 5, a hinge pin shaft 51 and a claw body 6.

Detailed Description

The following description of the embodiments refers to the accompanying drawings.

As shown in fig. 1, the lifting appliance in this embodiment includes a mounting plate 2 and two lifting devices fixed on the mounting plate, and the lifting devices may be provided in plurality according to the requirement of the lifting part, for example, three or four lifting devices are mounted on the mounting plate.

As shown in fig. 2 to 5, the gripping device comprises an axial drive 3, a sleeve 4, a central shaft 5, etc.

Wherein the axial driving device 3 is fixedly arranged on the mounting plate 2, and the axial driving device 3 is a pneumatic cylinder.

As shown in fig. 2 and 3, the sleeve 4 includes a mounting sleeve 41 and a central shaft sleeve 42. The upper end of the mounting sleeve 41 is fixedly connected with the mounting plate 2, and the upper end of the central sleeve 42 is fixedly connected with the lower end of the mounting sleeve 41, and can be connected by threads.

The lower end of the inner hole of the central shaft sleeve 42 is provided with a limiting block 43, and the limiting block 43 is welded with the central shaft sleeve 42.

The central shaft 5 is positioned in the sleeve 4, the upper end of the central shaft is connected with the axial driving device 3, and the central shaft is driven by the axial driving device 3 to move up and down. The lower end of the central shaft 5 passes through the hole on the limiting block 43 and extends to the lower part of the limiting block 43, and is hinged with the two claw bodies 6 through a hinge pin 51.

As shown in fig. 5, the claw body 6 is located below the limiting block 43, the upper end thereof is hinged to the central shaft 5 through a hinge pin 51, and the lower end thereof is a free end and can rotate around the hinge pin 51. A claw body outer ejecting piece 44 is arranged below the claw body 6, the claw body outer ejecting piece 44 is a fixed pin shaft, and two ends of the claw body outer ejecting piece 44 are respectively fixedly connected with the pipe wall of the central shaft sleeve 42. The fixed pin shaft is cylindrical, the surface of the claw body 6, which is in contact with the fixed pin shaft, is the back surface, and the shape of the claw body is arc-shaped. The surface of the claw body 6 opposite to the back surface is a front surface, and the front surface of the claw body 6 is a plane. The back surfaces of the two claw bodies are opposite and the front surfaces are opposite, when the central shaft 5 moves downwards to push the upper end of the claw body, the back surfaces of the claw bodies and the claw body outer jacking pieces 44 slide relatively, the lower end of the claw body 6 rotates upwards due to the jacking action of the claw body outer jacking pieces 44, and extends out in a rotating mode from a window formed in the lower end of the central shaft sleeve, and finally the front surfaces of the claw bodies are in a horizontal state.

The pipe wall of the lower end of the central shaft sleeve is provided with two sliding grooves 421 penetrating through the pipe wall, the end part of the hinge pin 51 is positioned in the sliding grooves 421, and the sliding grooves 421 can be used as fabrication holes for mounting the hinge pin and can also play a role in transversely limiting and supporting the hinge pin.

The inner hole part 1 is a part provided with a through hole which can be used as a lifting hole of the part. When the lifting appliance in the embodiment is ready to lift an inner hole part, the axial driving device 3 is controlled to enable the central shaft 5 to move upwards, the claw body 6 rotates under the action of self gravity and retracts into the central shaft sleeve 42, then the sleeve is inserted into the inner hole of the part, after the lower end of the central shaft sleeve extends out of the other end (usually the lower end) of the inner hole of the part, the axial driving device 3 is controlled to enable the central shaft 5 to move downwards, the claw body 6 rotates under the pushing action of the central shaft 5, the lower end of the claw body extends out of a window in the central shaft sleeve and rotates upwards, then the mounting plate is lifted, the grabbing device moves upwards, the front face of the claw body 6 is in contact with the end face of the inner hole of the part, and therefore lifting of.

In this embodiment, the external top member 44 of the claw body is used to push the claw body to rotate the claw body outwards when the central shaft goes downwards, so the external top member of the claw body may be a fixed pin shaft in this embodiment, or may be in other forms, such as a stopper, and the surface of the stopper contacting with the back surface of the claw body is a plane or an arc surface, so as to realize the relative sliding with the back surface of the claw body.

The axial driving device is a cylinder, and can be in other forms, such as a hydraulic oil cylinder, or an electric device, and the electric device can be an electromagnet driving device, or an axial displacement device consisting of an electric motor and a screw rod.

Claims (10)

1. The utility model provides an inner hole part hoist, its characterized in that includes mounting panel, at least one fixed mounting grab device on the mounting panel, every grab the device and include the sleeve pipe of upper end and mounting panel fixed connection installation, axial drive arrangement, upper end and the axial drive arrangement of fixed mounting on the mounting panel and be connected and by its drive at the intraductal center pin that reciprocates of cover, be provided with two relative windows on the pipe wall of sleeve pipe lower extreme, install two claw bodies, two at the lower extreme of center pin the one end of the claw body with the center pin is articulated through articulated round pin axle, two the other end of the claw body is located two relative windows separately correspondingly, be provided with in the below of the claw body with the external top piece of claw of the back sliding contact of claw body, the external top piece of claw with sleeve pipe fixed connection.

2. The female component hanger according to claim 1, wherein the back surface of said claw body contacting with said claw body outer top member is arc-shaped.

3. A female component hanger according to claim 2, wherein the front face of the jaw body for contact with the end face of the female component bore is flat.

4. The inner hole part lifting appliance according to any one of claims 1 to 3, wherein the pipe wall opposite to the lower end of the sleeve is provided with a sliding groove, and two ends of a hinge pin shaft hinged with the claw body and the central shaft are respectively positioned in the sliding groove at the lower end of the sleeve.

5. A female element hanger according to claim 4, wherein said runner extends through the wall of said sleeve.

6. The inner hole part lifting appliance according to any one of claims 1 to 3, wherein the claw body outer top piece is a fixed pin shaft with two ends fixedly connected with the pipe wall of the sleeve respectively.

7. The inner hole part lifting appliance according to claim 1, wherein the sleeve comprises a mounting sleeve and a central shaft sleeve, the upper end of the mounting sleeve is fixedly connected with a mounting plate, the upper end of the central shaft sleeve is fixedly connected with the lower end of the mounting sleeve, and two opposite windows arranged at the lower end of the sleeve are arranged at the lower end of the central shaft sleeve.

8. The inner hole part lifting appliance according to claim 7, wherein a limiting block is fixedly welded at the lower end of the inner hole of the central shaft sleeve, a central shaft limiting hole is formed in the limiting block, the lower end of the central shaft penetrates through the central shaft limiting hole, and the claw body is located below the limiting block.

9. An inner hole part lifting appliance according to claim 1, wherein the axial driving device is an air cylinder or a hydraulic oil cylinder, and a piston rod of the air cylinder or the oil cylinder is fixedly connected with the central shaft.

10. A female element hanger according to claim 1, wherein said axial drive means is an electric drive means.

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