CN213865059U

CN213865059U - Self-locking hoisting tool

Info

Publication number: CN213865059U
Application number: CN202022227660.7U
Authority: CN
Inventors: 陈龙; 黄青松; 王云虎
Original assignee: Anqing Cssc Mating Power Co ltd
Current assignee: Anqing Cssc Mating Power Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-08-03
Anticipated expiration: 2030-10-09

Abstract

The utility model relates to a hoist instrument from locking, this hoist instrument from locking, including arm lock, connecting block, the arm lock includes first arm lock and second arm lock, and first arm lock and second arm lock pass through connecting rod cross connection, first connecting block, second connecting block correspond the welding respectively and are at the lower extreme medial surface in first arm lock, second arm lock, the spout has all been seted up on the surface of first connecting block, second connecting block, be provided with the screw rod in the spout, the surface of screw rod is provided with two sets of helicitic texture, and this two sets of helicitic texture's direction is reverse, the screw rod is connected with the screw thread post respectively through two sets of helicitic texture, and this hoist instrument from locking simple structure has stronger suitability, practical convenient, convenient to popularize and use.

Description

Self-locking hoisting tool

Technical Field

The utility model belongs to the technical field of mechanical equipment, concretely relates to auto-lock lifts by crane instrument.

Background

In the cylinder cap production, adopt permanent magnetism magnet to inhale iron man-hour, twine and wire rope combine together, lift by crane the transfer cylinder cap between the process, because cylinder cap shape blank face is not very smooth, permanent magnetism magnet is inhaled iron and is used the risk very big, the complicated twine of blank molding is difficult for passing, the big cylinder cap of weight a bit simultaneously, must wire rope, but wire rope may cause the foundry goods surface to hang and hinder, and in the course of working, can't directly stand up the cylinder cap, need manual operation, long-term work, high labor strength, there is the potential safety hazard, and work efficiency is also not high, and can't realize the auto-lock.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, reasonable in design's auto-lock lifting device in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a self-locking lifting tool, includes arm lock, connecting block, and the arm lock includes first arm lock and second arm lock, and the connecting block includes first connecting block and second connecting block, and first arm lock and second arm lock pass through connecting rod cross connection, and first connecting block, second connecting block correspond the welding respectively and have all been seted up the spout at the lower extreme medial surface of first arm lock, second arm lock, and the spout has all been provided with the screw rod in the spout, and the surface of screw rod is provided with two sets of helicitic texture, and the direction of these two sets of helicitic texture is reverse, screw rod one end through connection piece and the rotatory handle of fixed connection, the screw rod is connected with the screw thread post respectively through two sets of helicitic texture, and the one end that the arm lock was kept away from to the screw thread post is for hanging the thing end, and the other end of screw thread post is the tail end, and the thing end that hangs of screw thread post is provided with the friction piece.

As a further optimization scheme of the utility model, the friction member is hollow round platform form, be equipped with on the friction member inner wall with screw thread post assorted helicitic texture, the friction member makes the screw thread post more stable in the spout with the nut cooperation.

As the utility model discloses a further optimization scheme, the surface of friction piece is provided with the rubber layer for can press from both sides tight work piece more and prevent to drop when lifting by crane the work piece.

As a further optimization scheme of the utility model, the tail end of screw thread post is provided with the nut.

As a further optimization scheme of the utility model, the screw thread post quantity that first connecting block and second connecting block set up is two.

As a further optimization scheme of the utility model, the connecting rod is provided with the spiral shell lid.

As the utility model discloses a further optimization scheme, the one end that the connecting block was kept away from to first arm lock and second arm lock is provided with the U type respectively and detains, and the U type is detained and is articulated with the arm lock.

The beneficial effects of the utility model reside in that:

1. the utility model discloses a be equipped with the U type and detain, receive the work piece self weight influence of lifting by crane and the design of the body of cutting of this device in lifting by crane for hang the thing end and hold with the U type and keep certain angle at the in-process of lifting by crane, can realize the auto-lock and lift by crane the function, improved and lifted by crane the security.

2. The utility model discloses can adjust the position of hanging the thing end according to the difference of work piece to the work piece that the adaptation specification is different has stronger adaptability, through the fabrication hole on the left and right sides of centre gripping cylinder cap, after the U type of installation from the middle is detained, uses the lifting hook directly to lift by crane, makes like this to lift by crane the cylinder cap safe and reliable more, and does not have any damage to the cylinder cap surface, has also accelerated production efficiency simultaneously, transports and the machine tool machining efficiency of operating the machine within a definite time.

3. The utility model discloses a friction spare that is equipped with the round platform form for have stronger security when lifting by crane the work piece.

Drawings

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

fig. 2 is a schematic front structural view of the connecting block of the present invention;

in the figure:

1. a first clamp arm; 2. a first connection block; 3. a threaded post; 4. a nut; 5. a connecting rod; 6. a U-shaped buckle; 7. a second clamp arm; 8. a second connecting block; 9. a screw cap; 10. a friction member; 11. a chute; 12. a screw; 13. the handle is rotated.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1 and 2, a self-locking lifting tool comprises a clamping arm and a connecting block, wherein the clamping arm comprises a first clamping arm 1 and a second clamping arm 7, the connecting block comprises a first connecting block 2 and a second connecting block 8, the first clamping arm 1 and the second clamping arm 7 are cross-connected through a connecting rod 5, the first connecting block 2 and the second connecting block 8 are respectively welded on the inner side surfaces of the lower ends of the first clamping arm 1 and the second clamping arm 7 correspondingly, the surfaces of the first connecting block 2 and the second connecting block 8 are both provided with a chute 11, a screw 12 is arranged in the chute 11, the outer surface of the screw 12 is provided with two groups of thread structures, the directions of the two groups of thread structures are opposite, a bearing is arranged in the connecting block, two ends of the screw 12 are fixed in the connecting block through the bearing and realize the rotation of the screw 12, one end of the screw 12 extends outwards to penetrate through the connecting block, one end penetrating through the connecting block is fixedly connected with a rotating handle 13, rotation of a control screw 12 is realized by rotating a rotating handle 13, a through hole is formed in a threaded column 3, threads are arranged on the inner wall of the through hole, the threaded column 3 is connected with the screw 12 through the through hole, one end, away from a clamping arm, of the threaded column 3 is a hanging end, the other end of the threaded column 3 is a tail end, a nut 4 is arranged at the tail end of the threaded column 3, a friction piece 10 is arranged at the hanging end of the threaded column 3, the friction piece 10 is in a hollow round table shape, threads matched with the threaded column 3 are arranged on the inner wall of the friction piece 10, a rubber layer is arranged on the surface of the friction piece 10, the number of the threaded columns 3 arranged on a first connecting block 2 and a second connecting block 8 is two, a connecting rod 5 is provided with a screw cap 9, one ends, away from the connecting blocks, of the first clamping arm 1 and the second clamping, the screw 12 is heat treated to increase hardness prior to installation.

It should be noted that, when the self-locking lifting tool is used, the position of the object lifting end of the device is adjusted according to the hole position on the cylinder cover, the screw rod in the connecting block is rotated by rotating the rotating handle arranged on the side surface of the connecting block, the two ends of the screw rod are respectively rotated by the bearings arranged in the connecting block, because the two ends of the screw rod are provided with the reverse thread sections, and each section of reverse thread section is connected with the thread column, when the screw rod is rotated, the two thread columns connected to the screw rod can move towards opposite or opposite directions, according to the position difference of the connecting hole on the cylinder cover, the rotating handle adjusts the object lifting end to a proper position to enable the object lifting end to be inserted into the connecting hole, after the position of the object lifting end is adjusted, the friction piece and the nut are rotated to enable the thread columns and the connecting block to be more compact to increase the stability of the thread columns, after the object lifting end is inserted, the hemp rope penetrates through the two U-shaped buckles, the rope lifting device is lifted to start lifting, the lifting is influenced by the self weight of a lifting workpiece in the lifting process, and the shearing body design of the rope lifting device enables the lifting object end and the U-shaped buckle end to keep a certain angle in the lifting process, so that the self-locking lifting function is realized.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A self-locking lifting tool is characterized by comprising a clamping arm and a connecting block, wherein the clamping arm comprises a first clamping arm (1) and a second clamping arm (7), the connecting block comprises a first connecting block (2) and a second connecting block (8), the first clamping arm (1) and the second clamping arm (7) are in cross connection through a connecting rod (5), the first connecting block (2) and the second connecting block (8) are respectively and correspondingly welded on the inner side surfaces of the lower ends of the first clamping arm (1) and the second clamping arm (7), sliding grooves (11) are respectively formed in the surfaces of the first connecting block (2) and the second connecting block (8), a screw (12) is arranged in each sliding groove (11), two groups of thread structures are arranged on the outer surface of the screw (12), the directions of the two groups of thread structures are opposite, one end of the screw (12) penetrates through the connecting block and is fixedly connected with a rotating handle (13), the screw rod (12) is connected with screw thread post (3) respectively through two sets of helicitic texture, the one end that the arm lock was kept away from in screw thread post (3) is for hanging the thing end, the other end of screw thread post (3) is the tail end, the thing end of hanging of screw thread post (3) is provided with friction piece (10).

2. The self-locking lifting tool of claim 1, wherein: the friction piece (10) is in a hollow round table shape, and a thread structure matched with the thread column (3) is arranged on the inner wall of the friction piece (10).

3. The self-locking lifting tool of claim 2, wherein: the surface of the friction piece (10) is provided with a rubber layer.

4. The self-locking lifting tool of claim 1, wherein: and a nut (4) is arranged at the tail end of the threaded column (3).

5. The self-locking lifting tool of claim 1, wherein: the connecting rod (5) is provided with a screw cap (9).

6. The self-locking lifting tool of claim 1, wherein: one end of the first clamping arm (1) and one end of the second clamping arm (7) far away from the connecting block are respectively provided with a U-shaped buckle (6), and the U-shaped buckle (6) is hinged to the clamping arms.