CN210366596U

CN210366596U - Automatic unhooking type hook head

Info

Publication number: CN210366596U
Application number: CN201920835443.0U
Authority: CN
Inventors: 陈亚团; 朱青德
Original assignee: Gansu Jiu Steel Group Hongxing Iron and Steel Co Ltd
Current assignee: Gansu Jiu Steel Group Hongxing Iron and Steel Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-04-21
Anticipated expiration: 2029-06-04

Abstract

The utility model belongs to the technical field of hoisting equipment, in particular to an automatic unhooking type hook head, which comprises a main upright post and a bottom beam, wherein the lower end of the main upright post is welded with the bottom beam, the upper part of the main upright post is provided with an ear shaft hole, a trunnion is arranged in the trunnion hole, the middle part of the main upright post is provided with a hinge seat, the hinge seat is provided with a spring shifting plate, the inner side of the spring shifting plate is provided with a shifting plate spring connected with the outer wall of the main upright post, the main upright post below the shifting plate spring is provided with a safety post lifting hole, a safety post in an I-shaped structure is arranged in the safety post lifting hole, the outer side of the main upright post below the safety post is provided with a rope pressing block, the lower part of the rope pressing block is integrally connected with a spring penetrating post, the rope pressing block is slightly sunken under the action of a lifting lug with certain weight, the spring enables the shifting plate to be suddenly opened, belongs to the technical field of hoisting, and accords with the policy of national independent innovation.

Description

Automatic unhooking type hook head

Technical Field

The utility model belongs to the technical field of lifting device, concretely relates to automatic unhook formula gib head.

Background

At present, all industries need a lifting appliance which can automatically unhook when a lifted object falls to a proper position, so that people do not need to approach the lifting appliance and interfere with the lifting appliance as far as possible, and the safety and convenience of operation are guaranteed. At present, the lifting appliance in the aspect is only used in clamps (such as slab clamps and billet clamps), and an automatic unhooking hook head for lifting a lifting object with a lifting lug is not seen. For the above reasons, there is a need to develop an automatic unhooking hook head which is convenient to manufacture, simple, efficient, safe and reliable, and is used for solving the above problems.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art and not enough, the utility model provides an automatic unhook formula gib head.

In order to achieve the above object, the utility model provides a following technical scheme:

an automatic unhooking type hook head comprises a main upright post and a bottom beam, wherein the lower end of the main upright post is welded with the bottom beam, an ear shaft hole is formed in the upper portion of the main upright post, a trunnion is installed in the trunnion hole, a hinge seat is arranged in the middle of the main upright post, a spring type shifting plate is installed on the hinge seat, a shifting plate spring connected with the outer wall of the main upright post is arranged on the inner side of the spring type shifting plate, a safety post lifting hole is formed in the main upright post below the shifting plate spring, a safety post in an I-shaped structure is installed in the safety post lifting hole, a rope pressing block is arranged on the outer side of the main upright post below the safety post, a spring penetrating post is integrally connected below the rope pressing block, a compression spring is wound on the spring penetrating post, the compression spring is installed in a compression spring well, the compression spring well is opened on the bottom beam, an upper cross arm of the safety post is clamped, the safety post can move up and down along the safety post lifting hole along with the lifting of the rope pressing block.

Furthermore, the spring type shifting plate is composed of a mainboard, a pin shaft arranged at the upper end of the mainboard, a shifting plate spring seat positioned at the middle part of the mainboard, and a strip-shaped hole arranged at the lower end of the mainboard, wherein the strip-shaped hole is an integrated mechanism composed of a wide hole and a narrow hole, an upper cross arm of the safety post can move up and down along the strip-shaped hole, the upper cross arm of the safety post is provided with a locking spring type shifting plate when positioned in the narrow hole, the spring type shifting plate is opened under the action of a shifting plate spring when positioned in the wide hole, and the width of the end of the upper cross arm of the safety post is larger than that of the narrow.

Furthermore, the upper end face of the rope pressing block is of an inwards concave arc structure.

Furthermore, a rope sliding table connected with the rope pressing block is arranged on the outer side of the rope pressing block.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model is characterized in that a rope pressing block is arranged outside a main upright post below a safety post, a spring penetrating post is integrally connected below the rope pressing block, a compression spring is wound on the spring penetrating post, the compression spring is arranged in a compression spring well, the compression spring well is arranged on a bottom beam, an upper cross arm of the safety post is clamped inside the spring shifting plate to fix the spring shifting plate when the spring shifting plate is pressed down, a lower cross arm of the safety post is inserted into the rope pressing block and is fixedly connected, the safety post can move up and down along a lifting hole of the safety post along with the lifting of the rope pressing block, the rope pressing block slightly sinks under the action of a lifting lug (generally a steel wire rope) with certain weight, at the moment, a commander keeps away from the rope pressing block and commands a crane to lift heavy objects, when the lifted objects reach a destination, particularly in an area which the personnel can not reach, as, the rope can drop off, and the spring makes to dial the board and open suddenly because the insurance post goes upward to the wide hole department of dialling the board this moment, dials the lug to the farther department, the utility model provides a key problem in hoist and mount field belongs to the hoist and mount technical category, accords with the policy of the independent innovation of country.

Drawings

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

FIG. 2 is a side view of the structure of FIG. 1;

fig. 3 is a schematic structural view of the spring type dial plate in fig. 1.

In the figure: 1. the safety device comprises a main upright post, 2. ear shaft holes, 3. trunnions, 4. hinge seats, 5. spring type shifting plates, 51. main plates, 52. pin shafts, 53. shifting plate spring seats, 54. strip-shaped holes, 541. wide holes, 542. narrow holes, 6. safety column lifting holes, 7. safety columns, 8. rope pressing blocks, 9. rope sliding tables, 10. spring penetrating columns, 11. compression springs, 12. bottom beams, 13. compression spring wells, 14. shifting plate springs and 15. lifting lugs.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, an automatic unhooking type hook head comprises a main upright post 1 and a bottom beam 12, the lower end of the main upright post 1 is welded with the bottom beam 12, an ear hole 2 is arranged at the upper part of the main upright post 1, a trunnion 3 is arranged in the ear hole 2, a hinge base 4 is arranged at the middle part of the main upright post 1, a spring type shifting plate 5 is arranged on the hinge base 4, a shifting plate spring 14 connected with the outer wall of the main upright post 1 is arranged at the inner side of the spring type shifting plate 5, a safety post lifting hole 6 is arranged on the main upright post 1 below the shifting plate spring 14, a safety post 7 in an I-shaped structure is arranged in the safety post lifting hole 6, a rope pressing block 8 with an upper end surface in a concave arc structure is arranged at the outer side of the main upright post 1 below the safety post 7, a rope sliding table 9 connected with the rope pressing block 8 is arranged at the outer side, a spring penetrating post 10 is integrally connected with the, the compression spring well 13 is arranged on the bottom beam 12, when the spring type shifting plate 5 is pressed down, the upper cross arm of the safety post 7 is clamped on the inner side of the spring type shifting plate 5 to fix the spring type shifting plate 5, the lower cross arm of the safety post 7 is inserted into the rope pressing block 8 and is fixedly connected with the rope pressing block, and the safety post 7 can move up and down along the safety post lifting hole 6 along with the lifting of the rope pressing block 8.

Wherein the spring type dial plate 5 is by mainboard 51, establish the round pin axle 52 at mainboard 51 upper end department, be located the dial plate spring holder 53 in mainboard 51 middle part, and establish the bar hole 54 of mainboard 51 lower extreme and constitute, bar hole 54 comprises wide hole 541 and narrow hole 542 and constitutes integrative mechanism, the last xarm of insurance post 7 can be along bar hole 54 activity from top to bottom, locking spring type dial plate 5 when the last xarm of insurance post 7 is located narrow hole 542, spring type dial plate 5 opens under the effect of dialling leaf spring 14 when being located wide hole 541, the width of the last xarm end of insurance post 7 is greater than the width that the width of narrow hole 542 is less than wide hole 541.

When the utility model is used specifically, the plate 5 is firstly pushed by the light pressure spring to close, the lifting lugs 15 of the hanging objects are placed on the rope pressing block 8, at the moment, the safety post 7 descends along with the descending of the rope pressing block 8, and simultaneously, the spring type plate 5 is closed, so that the safety post 7 enters the narrow hole 542 from the wide hole 541, the spring type plate 5 is kept in a closed state, the rope pressing block 8 slightly sinks under the action of the lifting lugs 15 with certain weight, at the moment, a commander keeps away from the lifting object and commands the crane to lift heavy objects, when the hanging objects reach the destination, especially the area where the person does not reach, as long as the hanging objects contact the ground, wherein the steel wire rope continues to descend for a small section distance, at the moment, the plate spring 14 is pushed to the wide hole 541 of the spring type plate 5 due to the ascending of the safety post 7, the spring type plate 5 is suddenly opened, the lifting lugs 15 are pushed to a longer place, and the combination with the, the design of the rope sliding tables 9 on the two sides is convenient for the lifting lugs 15 to slide to the two sides along the situation when in a loose state, so that the hook-disengaging thoroughness is ensured, and the function of the stop column can be played when in a lifting state, so that the safety is ensured.

Claims

1. An automatic unhooking type hook head comprises a main upright post (1) and a bottom beam (12), and is characterized in that the lower end of the main upright post (1) is welded with the bottom beam (12), an ear shaft hole (2) is formed in the upper portion of the main upright post (1), a trunnion (3) is installed in the ear shaft hole (2), a hinge base (4) is arranged in the middle of the main upright post (1), a spring type shifting plate (5) is installed on the hinge base (4), a shifting plate spring (14) connected with the outer wall of the main upright post (1) is arranged on the inner side of the spring type shifting plate (5), a safety post lifting hole (6) is formed in the main upright post (1) below the shifting plate spring (14), a safety post (7) with an I-shaped structure is installed in the safety post lifting hole (6), a rope pressing block (8) is arranged on the outer side of the main upright post (1) below the safety post (7), and a spring, the spring is threaded through the column (10) and is wound with the compression spring (11), the compression spring (11) is installed in a compression spring well (13), the compression spring well (13) is arranged on the bottom beam (12), the upper cross arm of the safety column (7) is clamped on the inner side of the spring shifting plate (5) to fix the spring shifting plate (5) when the spring shifting plate (5) is pressed down, the lower cross arm of the safety column (7) is inserted into the inside of the rope pressing block (8) and is fixedly connected with the rope pressing block, and the safety column (7) can move up and down along the safety column lifting hole (6) along with the lifting of the rope pressing block (8).

2. An automatic unhooking type hook head according to claim 1, wherein the spring type shifting plate (5) is composed of a main plate (51), a pin shaft (52) arranged at the upper end of the main plate (51), a shifting plate spring seat (53) arranged in the middle of the main plate (51), and a strip-shaped hole (54) arranged at the lower end of the main plate (51), the strip-shaped hole (54) is an integrated mechanism composed of a wide hole (541) and a narrow hole (542), an upper cross arm of the safety post (7) can move up and down along the strip-shaped hole (54), the upper cross arm of the safety post (7) locks the spring type shifting plate (5) when being positioned in the narrow hole (542), the spring type shifting plate (5) opens under the action of the shifting plate spring (14) when being positioned in the wide hole (541), and the width of the end of the upper cross arm of the safety post (7) is larger than that of the narrow hole (542) and smaller than that of the wide hole (541.

3. An automatic unhooking hook according to claim 1 or 2, characterised in that the upper end face of the rope pressure block (8) is of a concave arc-shaped configuration.

4. An automatic unhooking hook according to claim 1 or 2, characterised in that the outside of the rope pressure block (8) is provided with a rope slip (9) connected thereto.