CN218371258U - Complete-opening-degree lifting hook anti-falling device - Google Patents
Complete-opening-degree lifting hook anti-falling device Download PDFInfo
- Publication number
- CN218371258U CN218371258U CN202222880776.XU CN202222880776U CN218371258U CN 218371258 U CN218371258 U CN 218371258U CN 202222880776 U CN202222880776 U CN 202222880776U CN 218371258 U CN218371258 U CN 218371258U
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- anticreep board
- falling
- falling plate
- pin
- anticreep
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Abstract
The utility model relates to the technical field of hoisting equipment, specifically disclose a lifting hook anticreep device of complete opening degree, including upper anticreep board, lower anticreep board and counter weight frame, lower anticreep board upper portion is installed in the lower part of upper anticreep board through the rotation of pin, and lower anticreep board rotates through the relative upper anticreep board of pin, and upper anticreep board upper portion is installed on counter weight frame, and counter weight frame fixes on the gib head, and lower anticreep board keeps off at the opening part of gib head; the lifting hook anti-drop device with complete opening degree provided by the utility model has the advantages that under the action of the pre-tightening force of the elastic cushion, the lower anti-drop plate can rotate by more than 90 degrees left and right, the self-weight is utilized to replace the action of spring elasticity, the performance of the whole anti-drop device is greatly improved, the daily maintenance cost of the device is reduced, the labor intensity is reduced, and the service life of the anti-drop device is prolonged from 3 months to more than one year; the device has simple and reasonable structure and good use effect, and is particularly suitable for preventing the hook head of a travelling crane from falling off.
Description
Technical Field
The utility model relates to a hoisting equipment technical field, concretely relates to lifting hook anticreep device of complete opening degree.
Background
The existing hook head anti-drop device is mainly composed of a nut 10, a first pin shaft 11, a spring 12 and an anti-drop plate 13, as shown in fig. 1. The cold rolling production line has 24 traveling cranes and 39 hoist hoists, and the hook heads are mostly provided with anti-falling devices. The anti-falling device is a spring plate which can be bounced by pressing, when the steel wire rope is taken down from the hook head, the bounced anti-falling clamp needs to be pressed down by one hand, the steel wire rope is taken out by the other hand, the influence on the operation of taking out the thin steel wire rope from the small hook head is small, when the thick steel wire rope is taken out from the large hook head, the steel wire rope cannot be moved by one hand, the anti-falling device can be frequently left aside by the force of one hand during the operation, the steel wire rope is taken down by two hands, so that the anti-falling device is easy to damage, the anti-falling device is seriously deformed, the return spring is damaged, the average use of the anti-falling device of the hook head cannot reach 3 months, the lifting hook continues to be used without the anti-falling device, and potential safety hazards can be left in the production process. In the other situation, when the diameter of the lifting appliance is large, the lifting appliance is placed into the hook head, the anti-falling plate is clamped, and the lifting appliance cannot return. Therefore, the anti-drop safety device of the lifting hook with the complete opening degree is developed to eliminate potential safety hazards, prevent safety accidents and guarantee the safety of people and equipment.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a lifting hook anticreep device of complete opening degree.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a lifting hook anticreep device of complete opening degree, includes anticreep board, lower anticreep board and weight frame, anticreep board upper portion rotates through the pin and installs in the lower part of last anticreep board down, and lower anticreep board rotates through the relative anticreep board of going up of pin, and upward anticreep board upper portion installs on the weight frame, and the weight frame is fixed on the gib head, and lower anticreep board keeps off the opening part at the gib head.
Specifically, the pin is threaded with a self-locking nut, an elastic cushion is arranged between the self-locking nut and the upper anti-falling plate, and the elastic cushion is sleeved on the pin and used for providing pre-tightening force for rotation of the lower anti-falling plate.
Specifically, the upper part of the upper anti-falling plate is provided with a through hole, a pin shaft penetrates through the through hole, the upper anti-falling plate is fixed on the pin shaft, two ends of the pin shaft are fixed on the counterweight frame, and the upper anti-falling plate is fixedly connected with the counterweight frame.
The utility model discloses a hook head, including fixed block, round pin axle, fixed block, upper run-off preventing plate, counterweight frame, fixed block, pin axle hole, fixed block one end, the other end of fixed block stretches into in the recess at upper run-off preventing plate middle part, and the total weight of upper run-off preventing plate and lower run-off preventing plate is less than the weight of counterweight frame, and upper run-off preventing plate and lower run-off preventing plate use the fixed block to upwards lift as the fulcrum for the lower part top of run-off preventing plate is inboard at the tip of hook head down.
The utility model discloses following beneficial effect has:
the lifting hook anti-drop device with complete opening degree provided by the utility model has the advantages that under the action of the pre-tightening force of the elastic cushion, the lower anti-drop plate can rotate by more than 90 degrees left and right, the self-weight is utilized to replace the action of spring elasticity, the performance of the whole anti-drop device is greatly improved, the daily maintenance cost of the device is reduced, the labor intensity is reduced, and the service life of the anti-drop device is prolonged from 3 months to more than one year; the device has simple and reasonable structure and good use effect, and is particularly suitable for preventing the hook head of a travelling crane from falling off.
Drawings
Fig. 1 is a schematic structural view of a prior art anti-drop device.
Fig. 2 is a schematic view of an installation structure of a hook stopper device with a full opening degree.
Fig. 3 is a side view of the upper and lower retaining plates connecting structure.
Fig. 4 is a front view of the upper and lower retaining plates connecting structure.
In the figure: 1-a through hole; 2-upper anti-drop plate; 3-lower anti-drop plate; 4-pins; 5-elastic cushion; 6-self-locking nut; 7-a pin shaft; 8-weight frame, 81-fixing block, 82-pin shaft hole; 9-hook head; 10-a nut; 11-pin shaft one; 12-a spring pad; 13-anti-drop plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely further described in detail below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 2-4, a complete-opening hook anti-drop device comprises an upper anti-drop plate 2, a lower anti-drop plate 3, a pin 4, a spring washer 5 and a weight rack 8, wherein the upper part of the lower anti-drop plate 3 is rotatably installed on the lower part of the upper anti-drop plate 2 through the pin 4, the lower anti-drop plate 3 is relatively rotatably installed on the upper anti-drop plate 2 through the pin 4, the upper part of the upper anti-drop plate 2 is installed on the weight rack 8, the weight rack 8 is fixed on a hook head 9, and the lower anti-drop plate 3 is blocked at an opening of the hook head 9.
The self-locking nut 6 is connected to the pin 4 in a threaded mode, the self-locking nut 6 is connected with the upper anti-falling plate 2 and the lower anti-falling plate 3, the elastic pad 5 is arranged between the self-locking nut 6 and the upper anti-falling plate 2, the elastic pad 5 is sleeved on the pin 4 and used for providing pre-tightening force for rotation of the lower anti-falling plate 3, the device does not have a return spring and is anti-falling by self gravity, performance of the whole device is greatly improved, service life of the anti-falling device is prolonged, daily maintenance cost of the device is reduced, and labor intensity is reduced.
The upper part of the upper anti-falling plate 2 is provided with a through hole 1, a pin shaft 7 penetrates through the through hole 1, the upper anti-falling plate 2 is fixed on the pin shaft 7, two ends of the pin shaft 7 are fixed on a counterweight frame 8, and the upper anti-falling plate 2 is fixedly connected with the counterweight frame 8.
The round pin axle 7 passes round pin shaft hole 8.2, and round pin shaft hole 8.2 sets up on fixed block 8.1, and fixed block 8.1 one end is fixed on gib head 9, and the other end of fixed block 8.1 stretches into in the recess at upper run-off preventing plate 2 middle part.
The total weight of the upper anti-drop plate 2 and the lower anti-drop plate 3 is smaller than the weight of the counterweight bracket 8, and the upper anti-drop plate 2 and the lower anti-drop plate 3 are lifted upwards by taking the fixed block 8.1 as a fulcrum, so that the lower part of the lower anti-drop plate 3 is propped against the inner side of the end part of the hook head 9.
The utility model discloses under the effect of 5 pretension power on the bullet pad, anticreep board 3 can control the rotation more than 90 down, no return spring, lean on self gravity anticreep, utilize the dead weight to replace the effect of spring elasticity, when putting into gib head 9 wire rope, anticreep board 3 under the needs rotation, at this moment anticreep board 3 produces one section distance with gib head 9 down, both hands take up wire rope and put into gib head 9, then anticreep board 3 under the counter rotation, it is closed with gib head 9 to lean on anticreep board 3 under self gravity, play the anticreep effect.
The utility model discloses not be limited to above-mentioned embodiment, anybody should learn the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into the utility model discloses an within the protection scope.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (4)
1. The utility model provides a lifting hook anticreep device of complete opening degree, its characterized in that, includes anticreep board, lower anticreep board and counter weight frame, anticreep board upper portion is rotated through the pin and is installed in the lower part of last anticreep board down, and lower anticreep board rotates through the relative anticreep board of pin, and upward anticreep board upper portion is installed on the counter weight frame, and the counter weight frame is fixed on the gib head, and lower anticreep board keeps off the opening part at the gib head.
2. The full-opening-degree lifting hook anti-falling device as claimed in claim 1, wherein a self-locking nut is threaded on the pin, an elastic pad is arranged between the self-locking nut and the upper anti-falling plate, and the elastic pad is sleeved on the pin and used for providing pre-tightening force for rotation of the lower anti-falling plate.
3. The full-opening-degree lifting hook anti-falling device as claimed in claim 1, wherein a through hole is formed in the upper part of the upper anti-falling plate, a pin shaft penetrates through the through hole, the upper anti-falling plate is fixed on the pin shaft, two ends of the pin shaft are fixed on the counterweight frame, and the upper anti-falling plate is fixedly connected with the counterweight frame.
4. The full-open-degree lifting hook anti-falling device as claimed in claim 3, wherein the pin shaft passes through a pin shaft hole, the pin shaft hole is formed in a fixed block, one end of the fixed block is fixed on the hook head, the other end of the fixed block extends into a groove in the middle of the upper anti-falling plate, the total weight of the upper anti-falling plate and the lower anti-falling plate is smaller than that of the counterweight frame, the upper anti-falling plate and the lower anti-falling plate are lifted upwards by taking the fixed block as a fulcrum, and the lower portion of the lower anti-falling plate is abutted against the inner side of the end portion of the hook head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222880776.XU CN218371258U (en) | 2022-10-31 | 2022-10-31 | Complete-opening-degree lifting hook anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222880776.XU CN218371258U (en) | 2022-10-31 | 2022-10-31 | Complete-opening-degree lifting hook anti-falling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218371258U true CN218371258U (en) | 2023-01-24 |
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ID=84937386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222880776.XU Active CN218371258U (en) | 2022-10-31 | 2022-10-31 | Complete-opening-degree lifting hook anti-falling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218371258U (en) |
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2022
- 2022-10-31 CN CN202222880776.XU patent/CN218371258U/en active Active
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