CN213415987U

CN213415987U - Annular lifting appliance with adjustable size

Info

Publication number: CN213415987U
Application number: CN202021986387.XU
Authority: CN
Inventors: 闫鹏涛; 王永栋
Original assignee: Shanxi Fuxingtong Heavy Ring Forging Co ltd
Current assignee: Shanxi Fuxingtong Heavy Ring Forging Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-06-11
Anticipated expiration: 2030-09-11

Abstract

The utility model particularly relates to an annular hoist with adjustable size belongs to hoist technical field, and the technical problem that solve provides an annular hoist with adjustable size, and the technical scheme of adoption is: the lower end of the lifting lug is fixedly provided with a central disc, the lifting sling and the ring-shaped piece are connected with the lifting lug through a steel wire rope, a plurality of telescopic rods with adjustable lengths are uniformly arranged in the circumferential direction of the central disc, one ends of the telescopic rods are fixed with the central disc, the other ends of the telescopic rods are respectively connected with a clamping claw, the clamping claws are respectively connected with a vertical folding type saddle, the saddles are used for attaching the inner side and the bottom side of the ring-shaped piece to be lifted, and the plurality of saddles jointly support the ring-shaped piece; the utility model discloses a length of adjusting the telescopic link lifts by crane the loop forming element of different specifications for the application scope of hoist is wider, has improved the efficiency of hoist and mount.

Description

Annular lifting appliance with adjustable size

Technical Field

The utility model belongs to the technical field of the hoist, concretely relates to annular hoist with adjustable size and dimension.

Background

In-process at the workshop hoist and mount product, the hoist is indispensable device, and when the hoist that adopts the lifting hook class hoisted the loop forming element, there was the problem of loop forming element slippage, not only can cause the damage to the loop forming element like this, and has the potential safety hazard to the field work personnel to the size and specification of loop forming element is numerous, needs different special hoist when hoisting the loop forming element of different diameters, needs frequent change hoist like this, influences the efficiency of workshop work.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art exists not enough, provides an annular hoist with adjustable size and dimension, can lift by crane the loop forming element of different specifications for the application scope of hoist is wider, has improved the efficiency of hoist and mount.

In order to solve the technical problem, the utility model discloses a technical scheme be: a size-adjustable annular sling comprising: the lifting device comprises clamping claws, a telescopic rod, a center plate and lifting lugs, wherein the center plate is fixed at the lower end of each lifting lug, the lifting device and a ring-shaped piece are connected with the lifting lugs through steel wire ropes, a plurality of length-adjustable telescopic rods are uniformly arranged in the circumferential direction of the center plate, one end of each telescopic rod is fixed to the center plate, the other end of each telescopic rod is connected with one clamping claw, each clamping claw is connected with a vertical-folding type supporting table, each supporting table is used for being attached to the inner side and the bottom side of the ring-shaped piece to be lifted, and the supporting tables are used for supporting the ring-shaped piece under the combined.

The clamping claw includes: the upper support, the lower support, the inner swing rods, the outer swing rods and the outer swing driving piece, one side of the upper support is fixed with the telescopic rod, the square upper support and the lower support are arranged in an up-and-down parallel manner, the supporting platform and one side of the lower support far away from the central disc are fixed, two inner swing rods are arranged between the upper support and the end part of the lower support close to the central disc, two inner swing rods are arranged in a parallel manner, the upper ends of the inner swing rods are hinged with the upper support, the lower ends of the inner swing rods are hinged with the lower support, two outer swing rods are arranged between the upper support and the end part of the lower support far away from the central disc, two outer swing rods are arranged in a parallel manner, the upper ends of the outer swing rods are hinged with the upper support, the lower ends of the outer swing rods are hinged with the lower support, and the lower ends of the inner swing rods and the outer swing rods can swing in a direction close, the clamping claw is further provided with an outer swing driving piece, the outer swing driving piece is used for driving the lower ends of the inner swing rod and the outer swing rod to swing towards the direction far away from the central disc, so that the supporting platform is driven to be attached to the inner side and the bottom side of the ring-shaped piece to be lifted, the ring-shaped piece is clamped from the inner side, and meanwhile, the ring-shaped piece is supported from the bottom of the ring-shaped piece.

The outer swing drive includes: the fixed cross rod A is perpendicular to the reciprocating swing direction of the lower ends of the inner swing rods and the outer swing rods, the fixed cross rod A is fixed with the upper support, the movable cross rods are fixed with the lower portions of the two inner swing rods, the fixed cross rod A is parallel to the movable cross rods, the fixed cross rods A are arranged on one sides, away from the center plate, of the movable cross rods, and a plurality of extension springs are connected between the fixed cross rods A and the movable cross rods.

And the clamping claw is provided with an inner swing driving piece, and the inner swing driving piece is used for driving the lower ends of the inner swing rod and the outer swing rod to swing towards the direction close to the central disc, so that the supporting platform is driven to be separated from the lower part of the annular piece.

The inner swing driving member includes: the upper bracket is provided with a central disc, the fixed cross rod A is arranged on the upper bracket, the fixed cross rod B is parallel to the fixed cross rod A, the fixed cross rod B is fixed to one end, close to the central disc, of the upper bracket, the lower end of the pull rod is connected with the movable cross rod, the pull rod can rotate relative to the movable cross rod, the middle of the pull rod is connected with the fixed cross rod B, the pull rod can rotate relative to the fixed cross rod B, the upper end of the pull rod is pulled to drive the lower ends of the inner swing rod and the outer swing rod to swing towards the direction close to the central disc, and therefore the supporting platform is driven.

The telescopic link includes: the clamping claw is fixed to one end of the screw A, namely the upper support of the clamping claw is fixed, the other end of the screw A is in threaded connection with one end of the sleeve, one end of the screw B is fixed to the central disc, the other end of the screw B is in threaded connection with the other end of the sleeve, the sleeve is screwed to adjust the length of the screw A and the length of the screw B inside the sleeve, and therefore the length of the telescopic rod can be adjusted to adapt to ring parts with different diameters.

A plurality of reinforcing rods are fixed between the two inner swing rods, a plurality of reinforcing rods are fixed between the two outer swing rods, and the reinforcing rods are used for increasing the strength of the clamping claw.

The fixed cross rod A and one end, far away from the central disc, of the upper support are fixed.

The telescopic link is three, extension spring is two to three.

The pull rod is connected with the movable cross rod bearing, and the pull rod is connected with the fixed cross rod B bearing.

Compared with the prior art, the utility model following beneficial effect has.

One, the utility model discloses circumference at the spider is provided with the telescopic link that a plurality of lengths are adjustable, and the tip of telescopic link is provided with the chucking claw, and the saddle on the chucking claw can be hugged closely the loop forming element inboard and the bottom side of waiting to lift by crane, and the loop forming element is held up to a plurality of saddle combined action, under the effect of outside outer holding power and holding power, lifts by crane that the loop forming element is firm, and the length of adjusting the telescopic link lifts by crane the loop forming element of different specifications for the application scope of hoist is wider, has improved the efficiency of hoist and mount.

Two, the utility model discloses the saddle of chucking claw is followed interior pendulum rod and the lower extreme of outer pendulum rod and is followed the direction swing that is close to or keeps away from the center plate, can be suitable for the not big loop forming element of size phase difference, and is provided with outer pendulum driving piece on the chucking claw, can prevent the slippage with the card that the loop forming element is tight in the hoist below.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is the structure schematic diagram of the annular lifting appliance with adjustable size.

Fig. 2 is a schematic view of the use state of the annular lifting appliance with adjustable size.

Fig. 3 is an enlarged view of the position a of the present invention.

Fig. 4 is a sectional view of the telescopic rod of the present invention.

In the figure: the device comprises a clamping claw 1, a telescopic rod 2, a central disc 3, a lifting lug 4, a steel wire rope 5, a ring-shaped part 6, an inner swing rod 7, a movable cross rod 8, a tension spring 9, a lower bracket 10, an outer swing rod 11, a supporting platform 12, a reinforcing rod 13, a fixed cross rod A14, an upper bracket 15, a pull rod 16, a fixed cross rod B17, a screw rod A18, a sleeve pipe 19 and a screw rod B20.

Detailed Description

The following is a further description with reference to specific examples.

A size-adjustable annular sling comprising: the lifting device comprises clamping claws 1, telescopic rods 2, a center plate 3 and lifting lugs 4, wherein the center plate 3 is fixed at the lower end of each lifting lug 4, the lifting device and a ring piece 6 are connected with the lifting lugs 4 through steel wire ropes 5, a plurality of length-adjustable telescopic rods 2 are uniformly arranged in the circumferential direction of the center plate 3, one ends of the telescopic rods 2 are fixed to the center plate 3, the other ends of the telescopic rods 2 are connected with the clamping claws 1, vertically-folded supporting platforms 12 are connected to the clamping claws 1, the supporting platforms 12 are used for being attached to the inner sides and the bottom sides of the ring piece 6 to be lifted, and the supporting platforms 12 support the ring piece 6 under the combined action.

The chucking claw 1 includes: the telescopic plate comprises an upper bracket 15, a lower bracket 10, inner swing rods 7, outer swing rods 11 and an outer swing driving piece, wherein one side of the upper bracket 15 is fixed with the telescopic rod 2, the square upper bracket 15 and the lower bracket 10 are arranged in an up-and-down parallel manner, the supporting platform 12 is fixed with one side of the lower bracket 10 far away from the central plate 3, two inner swing rods 7 are arranged between the upper bracket 15 and the end part of the lower bracket 10 close to the central plate 3, the two inner swing rods 7 are arranged in a parallel manner, the upper end of each inner swing rod 7 is hinged with the upper bracket 15, the lower end of each inner swing rod 7 is hinged with the lower bracket 10, two outer swing rods 11 are arranged between the upper bracket 15 and the end part of the lower bracket 10 far away from the central plate 3, the two outer swing rods 11 are arranged in a parallel manner, the upper end of each outer swing rod 11 is hinged with the upper bracket 15, and the lower end of each outer swing rod 11 is, the lower ends of the inner swing rod 7 and the outer swing rod 11 can swing back and forth in a direction close to or far away from the central disc 3, an outer swing driving piece is further arranged on the clamping claw 1 and used for driving the lower ends of the inner swing rod 7 and the outer swing rod 11 to swing in a direction far away from the central disc 3, so that the supporting table 12 is driven to be attached to the inner side and the bottom side of the ring-shaped piece 6 to be lifted, the ring-shaped piece 6 is clamped from the inner side, and meanwhile, the ring-shaped piece 6 is supported from the bottom of the ring-shaped piece 6.

The outer swing drive includes: activity horizontal pole 8, extension spring 9 and fixed horizontal pole A14, fixed horizontal pole A14 with interior pendulum rod 7 with the lower extreme reciprocating swing direction of outer pendulum rod 11 sets up perpendicularly, fixed horizontal pole A14 with upper bracket 15 is fixed, activity horizontal pole 8 and two the lower part of interior pendulum rod 7 is fixed, fixed horizontal pole A14 with activity horizontal pole 8 parallels, just fixed horizontal pole A set up in activity horizontal pole 8 is kept away from one side of center plate 3, fixed horizontal pole A14 with be connected with many between the activity horizontal pole 8 extension spring 9.

The clamping claw 1 is provided with an inner swing driving piece, and the inner swing driving piece is used for driving the lower ends of the inner swing rod 7 and the outer swing rod 11 to swing towards the direction close to the central disc 3, so that the supporting table 12 is driven to be separated from the lower part of the annular piece 6.

The inner swing driving member includes: pull rod 16 and fixed horizontal pole B17, fixed horizontal pole B17 with fixed horizontal pole A14 parallel arrangement, just fixed horizontal pole B17 with upper bracket 15 is close to the one end of spider 3 is fixed, the lower extreme of pull rod 16 with movable horizontal pole 8 is connected, just pull rod 16 can be relative movable horizontal pole 8 rotates, the middle part of pull rod 16 with fixed horizontal pole B17 is connected, just pull rod 16 can be relative fixed horizontal pole B17 rotates, the pulling the upper end drive of pull rod 16 interior pendulum rod 7 with the lower extreme of outer pendulum rod 11 is to being close to the direction swing of spider 3, thereby the drive saddle 12 is deviate from the lower part of ring segments 6.

The telescopic rod 2 comprises: the telescopic rod comprises a screw A18, a sleeve 19 and a screw B20, wherein the screw A18 and the screw B20 are coaxially arranged, the screw A18 is opposite to the threads on the screw B20, one end of the screw A18 is fixed with the clamping claw 1, namely the upper bracket 15 of the clamping claw 1 is fixed, the other end of the screw A18 is in threaded connection with one end of the sleeve 19, one end of the screw B20 is fixed with the central disc 3, the other end of the screw B20 is in threaded connection with the other end of the sleeve 19, and the length of the screw A18 and the length of the screw B20 inside the sleeve 19 can be adjusted by screwing the sleeve 19, so that the length of the telescopic rod 2 can be adjusted to adapt to ring parts 6 with different diameters.

A plurality of reinforcing rods 13 are fixed between the two inner swing rods 7, a plurality of reinforcing rods 13 are fixed between the two outer swing rods 11, and the reinforcing rods 13 are used for increasing the strength of the clamping claw 1.

The fixed cross bar a14 is fixed to the end of the upper bracket 15 away from the central plate 3.

The number of the telescopic rods 2 is three, and the number of the extension springs 9 is two to three.

The pull rod 16 is in bearing connection with the movable cross rod 8, and the pull rod 16 is in bearing connection with the fixed cross rod B17.

The using method comprises the following steps:

1) placing the ring-shaped part 6 to be lifted below the lifting appliance, and adjusting the telescopic rod 2 to a proper length according to the inner diameter of the ring-shaped part 6;

2) pulling a pull rod 16 of each clamping claw 1 to enable a vertical folding type tray table 12 to be placed on the inner side of the ring-shaped piece 6, enabling a vertical part of the tray table 12 to be tightly attached to the inner ring side of the ring-shaped piece 6, enabling a horizontal part of the tray table 12 to be tightly attached to the lower side of the ring-shaped piece 6, and enabling the tray table 12 to tightly support and support the ring-shaped piece 6 due to the tensioning effect of a tension spring to tightly clamp the ring-shaped piece 6 below the lifting appliance to prevent slipping;

3) hoisting the hanger and the ring part 6 through a steel wire rope 5;

4) after the target position is reached, the supporting platform 12 of each clamping claw 1 is separated from the annular part 6 by pulling the pull rod 16 of each clamping claw 1, and the hoisting transfer of the annular part 6 is completed;

5) when 6 sizes of ring member that need hoist and mount differed not greatly, because the lower extreme of chucking claw 1 has outside outer tension, can be with 6 automatic chucking of ring member, at this moment, the vertical portion of saddle 12 has a difference to the 6 outside outer supporting force of ring member of unidimensional not, need not adjust the length of telescopic link 2, convenient to use.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims

1. An annular hoist with adjustable size and dimension, characterized by comprising: chucking claw (1), telescopic link (2), center plate (3) and lug (4), the lower extreme of lug (4) is fixed with center plate (3), the circumference of center plate (3) evenly is provided with a plurality of adjustable length telescopic link (2), the one end of telescopic link (2) with center plate (3) are fixed, the other end of telescopic link (2) all is connected with one chucking claw (1), all be connected with saddle (12) of standing the book type on chucking claw (1), saddle (12) are used for the laminating ring member (6) inboard and the bottom side of waiting to lift by crane, and are a plurality of saddle (12) combined action holds up ring member (6).

2. A size adjustable annular sling according to claim 1, wherein the gripping jaws (1) comprise: an upper support (15), a lower support (10), inner swing rods (7), outer swing rods (11) and an outer swing driving piece, wherein one side of the upper support (15) is fixed with the telescopic rod (2), the square upper support (15) and the lower support (10) are arranged in parallel up and down, the pallet (12) and one side of the lower support (10) far away from the central disc (3) are fixed, two inner swing rods (7) are arranged between the upper support (15) and the end part of the lower support (10) close to the central disc (3), the two inner swing rods (7) are arranged in parallel, the upper end of each inner swing rod (7) is hinged with the upper support (15), the lower end of each inner swing rod (7) is hinged with the lower support (10), and two outer swing rods (11) are arranged between the upper support (15) and the end part of the lower support (10) far away from the central disc (3), two outer pendulum rod (11) parallel arrangement, the upper end of outer pendulum rod (11) with upper bracket (15) are articulated, the lower extreme of outer pendulum rod (11) with lower carriage (10) are articulated, interior pendulum rod (7) with the lower extreme of outer pendulum rod (11) can be followed and is close to or keeps away from the direction reciprocating swing of center plate (3), still be provided with outer pendulum driving piece on chucking claw (1), outer pendulum driving piece is used for the drive interior pendulum rod (7) with the lower extreme of outer pendulum rod (11) is to keeping away from the direction swing of center plate (3).

3. A size adjustable endless sling according to claim 2, wherein said outer pendulum drive member comprises: the swing mechanism comprises a movable cross rod (8), extension springs (9) and a fixed cross rod A (14), wherein the fixed cross rod A (14) is perpendicular to the reciprocating swing direction of the lower ends of an inner swing rod (7) and an outer swing rod (11), the fixed cross rod A (14) is fixed to an upper support (15), the movable cross rod (8) is fixed to the lower portion of the inner swing rod (7), the fixed cross rod A (14) is parallel to the movable cross rod (8), the fixed cross rod A is arranged on one side, away from the movable cross rod (8), of a central disc (3), and the extension springs (9) are connected between the fixed cross rod A (14) and the movable cross rod (8).

4. A size-adjustable annular lifting appliance according to claim 3, wherein the clamping jaws (1) are provided with an inner swing driving member for driving the lower ends of the inner swing link (7) and the outer swing link (11) to swing in a direction close to the central plate (3).

5. A size adjustable endless sling according to claim 4, wherein said inner swinging drive member includes: pull rod (16) and fixed horizontal pole B (17), fixed horizontal pole B (17) with fixed horizontal pole A (14) parallel arrangement, just fixed horizontal pole B (17) with upper bracket (15) are close to the one end of center disk (3) is fixed, the lower extreme of pull rod (16) with activity horizontal pole (8) are connected, just pull rod (16) can be relative activity horizontal pole (8) rotate, the middle part of pull rod (16) with fixed horizontal pole B (17) are connected, just pull rod (16) can be relative fixed horizontal pole B (17) rotate.

6. A size adjustable endless sling according to claim 5, wherein the telescopic rod (2) comprises: screw rod A (18), sleeve pipe (19) and screw rod B (20), screw rod A (18) with screw rod B (20) coaxial arrangement, just screw rod A (18) with screw thread on screw rod B (20) is opposite, the one end of screw rod A (18) with chucking claw (1) is fixed, the other end of screw rod A (18) with the one end threaded connection of sleeve pipe (19), the one end of screw rod B (20) with center plate (3) are fixed, the other end of screw rod B (20) with the other end threaded connection of sleeve pipe (19).

7. The annular lifting appliance with the adjustable size and the adjustable size as claimed in claim 5, wherein a plurality of reinforcing rods (13) are fixed between the two inner swing rods (7), a plurality of reinforcing rods (13) are fixed between the two outer swing rods (11), and the reinforcing rods (13) are used for increasing the strength of the clamping claws (1).

8. A size adjustable loop spreader according to claim 7, wherein the fixed cross bar A (14) is fixed to the end of the upper bracket (15) remote from the central plate (3).

9. A size adjustable endless sling according to claim 6, wherein there are three telescopic rods (2) and two to three tension springs (9).

10. A size adjustable loop spreader according to claim 8, wherein the tie rods (16) are bearing-connected to the movable crossbar (8), and the tie rods (16) are bearing-connected to the fixed crossbar B (17).