CN210594918U

CN210594918U - Hoisting accessory with through-hole spare part

Info

Publication number: CN210594918U
Application number: CN201921590957.0U
Authority: CN
Inventors: 赵俊; 戴群; 沈建华; 黄汉龙
Original assignee: CSSC Marine Power Co Ltd
Current assignee: CSSC Marine Power Zhenjiang Co Ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-05-22
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a hoisting accessory with through-hole spare part, including hoisting by crane the cross axle, go up davit, articulated round pin axle, first davit, second down davit, elasticity open mechanism and davit locking mechanism down, go up the davit upper end and be equipped with davit U-shaped seat, hoist and cross the cross axle and violently pass last davit U-shaped seat, with last davit U-shaped seat fixed connection. A perforated plate at the lower end of the upper suspension arm is hinged with a first lower suspension arm U-shaped seat and a second lower suspension arm U-shaped seat through a hinge pin, and the lower end of the first lower suspension arm and the lower end of the second lower suspension arm are respectively bent to form a first lifting hook and a second lifting hook in opposite directions; the elastic opening mechanism is arranged on one side of the lower end of the upper suspension arm and one side of the upper end of the second lower suspension arm, and the lower suspension arm locking mechanism is arranged between the first lower suspension arm and the second lower suspension arm. The utility model discloses simple structure, cost of manufacture are low, and it is very convenient to use, have stopped the potential safety hazard, have improved the operating efficiency, have alleviateed operation workman's manipulation strength.

Description

Hoisting accessory with through-hole spare part

Technical Field

The utility model relates to a handling instrument, in particular to a handling instrument for lifting have through-hole spare part belongs to hoisting tool technical field.

Background

When parts with through holes such as large parts of a frame, a cylinder cover, a front end box, a flywheel and the like of a marine diesel engine are carried, processed and assembled, a flexible lifting tool such as a steel cable and a bandage is generally adopted for punching and lifting or a special lifting tool for drilling and tapping a threaded hole on the parts is adopted for mounting and lifting, the parts are matched by multiple persons for completion, the operation is complex, the lifting can be completed only by consuming longer time and more manpower, the working efficiency is low, and the potential safety hazard exists. If a special lifting appliance is installed, a process threaded hole is left on the surface of the part, and the structural strength of the part is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hoisting accessory with through-hole spare part alleviates intensity of labour, improves handling efficiency.

The utility model discloses a following technical scheme realizes:

a lifting device with through hole parts comprises a lifting cross shaft, an upper suspension arm, a hinge pin shaft, a first lower suspension arm, a second lower suspension arm, an elastic opening mechanism and a lower suspension arm locking mechanism, wherein the upper end of the upper suspension arm is provided with an upper suspension arm U-shaped seat, and the lower end of the upper suspension arm is provided with a perforated plate; the hoisting cross shaft transversely penetrates through the upper suspension arm U-shaped seat and is fixedly connected with the upper suspension arm U-shaped seat; a first lower suspension arm U-shaped seat and a second lower suspension arm U-shaped seat are respectively arranged at the upper end of the first lower suspension arm and the upper end of the second lower suspension arm, a perforated plate at the lower end of the upper suspension arm is hinged with the first lower suspension arm U-shaped seat and the second lower suspension arm U-shaped seat through hinge pins, and the lower end of the first lower suspension arm and the lower end of the second lower suspension arm are respectively bent into a first lifting hook and a second lifting hook in opposite directions; the elastic opening mechanism is arranged on one side of the lower end of the upper suspension arm and one side of the upper end of the second lower suspension arm, and the lower suspension arm locking mechanism is arranged between the first lower suspension arm and the second lower suspension arm.

The purpose of the utility model is further realized through the following technical scheme:

furthermore, the elastic opening mechanism comprises an arc-shaped rod and a tension spring, wherein the upper end of the arc-shaped rod is fixed on one side of the lower part of the upper suspension arm and is arranged on the upper side of the hinge pin shaft; two ends of the tension spring are respectively hooked at the lower end of the arc-shaped rod and the upper end of the second lower suspension arm adjacent to the lower end of the arc-shaped rod.

Furthermore, the lower suspension arm locking mechanism comprises a hook and a locking ring, one end of the hook is hinged with one lower suspension arm, and the locking ring is fixed on the other lower suspension arm; when the two lower suspension arms are locked in a state of abutting against each other, the other end of the hook is inserted into the locking ring.

Furthermore, the first hook and the second hook are the same in structure, are inclined upwards, and have tapered ends, and the included angle between the first hook or the second hook and the corresponding lower suspension arm is α = 70-75 degrees.

Furthermore, the upper suspension arm, the first lower suspension arm and the second lower suspension arm are all forged by medium carbon steel.

The utility model discloses simple structure, cost of manufacture are low, adopt davit and first davit and the articulated structure of davit under the second to and elasticity opening mechanism makes two automatic openings of davit down, can adopt two lifting hooks to hook the mode at horizontal through-hole edge and carry out the handling. And the first lower suspension arm and the second lower suspension arm are kept and fastened by adopting the lower suspension arm locking mechanism, and then the first lower suspension arm and the second lower suspension arm can be hoisted in a mode that a single lifting hook hooks the edge of the vertical through hole. The utility model discloses it is very convenient to use, has replaced the perforation operation of loaded down with trivial details steel cable or bandage, has stopped the potential safety hazard, has improved the operating efficiency, has alleviateed operation workman's manipulation strength. The specification of variation in size still can be made to satisfy the lifting by crane that the variation in size has through-hole spare part, improve the utility model discloses a commonality.

The advantages and features of the invention will be illustrated and explained by the following non-restrictive description of preferred embodiments, which are given by way of example only with reference to the accompanying drawings.

Drawings

FIG. 1 is a front view of the compact lifting device of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a front view of the lifting device in an open state;

fig. 4 is an enlarged view of a portion i of fig. 1.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the embodiments of the present invention for lifting parts and components of a marine diesel engine.

As shown in fig. 1, the present embodiment includes a lifting horizontal shaft 1, an upper boom 2, a hinge pin 3, a first lower boom 4, a second lower boom 5, an elastic opening mechanism 6, and a lower boom locking mechanism 7, wherein the upper end of the upper boom 2 is provided with an upper boom U-shaped seat 21, and the lower end is provided with a perforated plate 22. As shown in fig. 2, a thread is provided at one end of the lifting cross shaft 1 in the present embodiment, a lifting shackle, a sling or a steel cable is threaded on the lifting cross shaft 1 whose left end has passed through the right side of the upper boom U-shaped seat 21, and then the lifting cross shaft 1 is screwed into the thread at the left side of the upper boom U-shaped seat 21, so that the upper boom U-shaped seat 21 and the lifting cross shaft 1 are fixedly connected, and the installation of the lifting shackle, the sling or the steel cable is completed.

The upper end of the first lower suspension arm 4 and the upper end of the second lower suspension arm 5 are respectively provided with a first lower suspension arm U-shaped seat 41 and a second lower suspension arm U-shaped seat 51, the perforated plate 22 at the lower end of the upper suspension arm 2 and the first lower suspension arm U-shaped seat 41 and the second lower suspension arm U-shaped seat 51 which are spliced together are hinged through a hinge pin shaft 3, and the hinge pin shaft 3 is locked by a split pin 31. the lower end of the first lower suspension arm 4 and the lower end of the second lower suspension arm 5 are respectively bent to a first hook 42 and a second hook 52 in opposite directions, the first hook 42 and the second hook 52 are of the same structure, are both inclined upwards and have tapered ends. α =75 ° between the inclined first hook 42 or the inclined second hook 52 and the corresponding lower suspension arm, which is convenient for the first hook 42 or the second hook 52 to be hooked on the vertical hole 81 of the part 8 shown in fig. 1 and for the first hook 42 or the second hook 52 to be hooked on the lower side of the horizontal through hole 91 of the part 9 without slipping off as shown in fig..

As shown in fig. 1 and 3, the elastic opening mechanism 6 is disposed on the right side of the lower end of the upper boom 2 and the right side of the upper end of the second lower boom 5, and includes an arc rod 61 and a tension spring 62, wherein the upper end of the arc rod 61 is welded and fixed on the right side of the lower end of the upper boom 2 and on the upper side of the hinge pin 3. Two ends of the tension spring 62 are respectively hooked at the lower end of the arc-shaped rod 61 and the upper end of the second lower suspension arm 5 adjacent to the lower end of the arc-shaped rod 61.

As shown in fig. 4, the lower boom locking mechanism 7 is disposed between the first lower boom 4 and the second lower boom 5, and includes a hook 71 and a lock ring 72, the right end of the hook 71 is hinged to the second lower boom 5, and the lock ring 72 is fixed to the first lower boom 5. When the two lower booms are locked in a state of abutting against each other, the left end of the hook 71 is inserted into the lock ring 72. Go up davit 2, first davit 4 and second down davit 5 and all adopt medium carbon steel to forge and form, improved the utility model discloses an intensity makes the utility model discloses during the handling part, have great safety margin.

As shown in fig. 3, use the utility model discloses when the handling horizontal plane has the spare part of through-hole 10, fold up 4 lower extremes of davit and 5 lower extremes of davit under the second earlier, elasticity opening mechanism 6's extension spring 62 is elongated, then inject the couple 71 left end on the davit 5 under the second into the lock circle 7 on the 4 first davit, then the driving hook descends, and the jack-up that hangs through the driving hook is broken out, suspender or steel cable drive the utility model discloses descend, first 4 lower extremes of davit and the first lifting hook 42 and the second lifting hook 52 of 5 lower extremes of davit stretch into in the through-hole 10 under the second. Then the hook 71 is separated from the lock ring 7, the lower part of the first lower suspension arm 4 and the lower part of the second lower suspension arm 5 are opened by self under the action of the reset force of the tension spring 62, and the upwarping first lifting hook 42 and the second lifting hook 52 firmly hook the lower side edge of the horizontal through hole 91 of the lifted part 9, so that the lifted part can be safely lifted.

In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. A lifting device with through hole parts is characterized by comprising a lifting cross shaft, an upper suspension arm, a hinged pin shaft, a first lower suspension arm, a second lower suspension arm, an elastic opening mechanism and a lower suspension arm locking mechanism, wherein the upper end of the upper suspension arm is provided with an upper suspension arm U-shaped seat, and the lower end of the upper suspension arm is provided with a perforated plate; the hoisting cross shaft transversely penetrates through the upper suspension arm U-shaped seat and is fixedly connected with the upper suspension arm U-shaped seat; a first lower suspension arm U-shaped seat and a second lower suspension arm U-shaped seat are respectively arranged at the upper end of the first lower suspension arm and the upper end of the second lower suspension arm, a perforated plate at the lower end of the upper suspension arm is hinged with the first lower suspension arm U-shaped seat and the second lower suspension arm U-shaped seat through hinge pins, and the lower end of the first lower suspension arm and the lower end of the second lower suspension arm are respectively bent into a first lifting hook and a second lifting hook in opposite directions; the elastic opening mechanism is arranged on one side of the lower end of the upper suspension arm and one side of the upper end of the second lower suspension arm, and the lower suspension arm locking mechanism is arranged between the first lower suspension arm and the second lower suspension arm.

2. The hoisting device with the through hole parts as claimed in claim 1, wherein: the elastic opening mechanism comprises an arc-shaped rod and a tension spring, and the upper end of the arc-shaped rod is fixed on one side of the lower part of the upper suspension arm and is arranged on the upper side of the hinge pin shaft; two ends of the tension spring are respectively hooked at the lower end of the arc-shaped rod and the upper end of the second lower suspension arm adjacent to the lower end of the arc-shaped rod.

3. The hoisting device with the through hole parts as claimed in claim 1, wherein: the lower suspension arm locking mechanism comprises a hook and a locking ring, one end of the hook is hinged with one lower suspension arm, and the locking ring is fixed on the other lower suspension arm; when the two lower suspension arms are locked in a state of abutting against each other, the other end of the hook is inserted into the locking ring.

4. The lifting device with the through hole parts as claimed in claim 1, wherein the first and second hooks are identical in structure, are inclined upwards and have tapered ends, and the included angle between the first hook or the second hook and the corresponding lower suspension arm is α = 70-75 °.

5. The hoisting device with the through hole parts as claimed in claim 1, wherein: the upper suspension arm, the first lower suspension arm and the second lower suspension arm are all forged by medium carbon steel.