CN219807649U - Suspension type quick-release shackle - Google Patents
Suspension type quick-release shackle Download PDFInfo
- Publication number
- CN219807649U CN219807649U CN202320474832.1U CN202320474832U CN219807649U CN 219807649 U CN219807649 U CN 219807649U CN 202320474832 U CN202320474832 U CN 202320474832U CN 219807649 U CN219807649 U CN 219807649U
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- Prior art keywords
- hole
- fork arm
- arm
- pin shaft
- pin
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- 239000000725 suspension Substances 0.000 title claims abstract description 22
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Vehicle Body Suspensions (AREA)
Abstract
The suspension type quick release shackle of the present utility model comprises: bolt, first nut, otic placode, body, round pin axle, retaining ring, second nut, spring and backing pin, the body is the U font, and it includes: a long arm and a short arm, wherein a through hole is respectively arranged at the end part of the long arm and the end part of the short arm; a through hole is formed in one end of the lug plate, a left fork arm and a right fork arm which are bilaterally symmetrical are arranged at the other end of the lug plate, a through hole is formed in the end parts of the left fork arm and the right fork arm respectively, a bolt sequentially penetrates through the through hole of the long arm end part of the body and the through hole of one end of the lug plate, a first nut is fixed on the bolt, the end part of the short arm of the body is inserted between the left fork arm and the right fork arm of the lug plate, a pin shaft sequentially penetrates through the through hole of the left fork arm and the through hole of the short arm of the body and stretches into the through hole of the right fork arm, one end of the pin shaft stretches out from the through hole of the left fork arm, a check ring is sleeved on the stretched pin shaft, the end part of the pin shaft is screwed into a second nut, a spring is arranged on the pin shaft between the check ring and the second nut, and a blocking pin is arranged on the pin shaft stretching into the through hole of the right fork arm.
Description
Technical Field
The utility model relates to a shackle for the field of hoisting machinery, in particular to a suspension type quick-release shackle.
Background
In large-tonnage hoisting operation, because the shackle is heavy in weight, accessories connected with the shackle are difficult to disassemble or even cannot be disassembled when the shackle is disassembled, and a great potential safety hazard exists in the disassembling process, so that the novel suspension type quick-release shackle (figure I) is specially designed for adapting to the scene operation. The pin shaft is fixed to the groove of the body through the retaining pin, the retaining pin is withdrawn through the key groove at the upper part of the body only by rotating 180 degrees, and the disassembly is realized. During installation, the lug plate naturally hangs down due to self gravity, and when the lug plate hole site is coaxial with the body hole site, the pin shaft is pushed forward, so that the stop pin penetrates through the key groove on the upper part of the body, is clamped into the lower groove by rotating 180 degrees, and is automatically locked by the reaction force of the spring, so that installation is realized. The device is restored to the original position (shown in the first drawing), so that the operation efficiency is improved, and the labor intensity is reduced.
Disclosure of Invention
The utility model aims to overcome the defects of the existing shackle and provide a suspension type quick-release shackle, which improves the working efficiency and reduces the labor intensity in a hoisting working place with large tonnage and frequent disassembly.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
the utility model relates to a suspension type quick-release shackle, which comprises the following components: bolt, first nut, otic placode, body, round pin axle, retaining ring, second nut, spring and backing pin, wherein: the body is U font, and it includes: a long arm and a short arm, wherein a through hole is respectively arranged at the end part of the long arm and the end part of the short arm; a through hole is formed in one end of the lug plate, a left fork arm and a right fork arm which are bilaterally symmetrical are arranged at the other end of the lug plate, a through hole is formed in the end parts of the left fork arm and the right fork arm respectively, a bolt sequentially penetrates through the through hole of the long arm end part of the body and the through hole of one end of the lug plate, a first nut is fixed on the bolt, the end part of the short arm of the body is inserted between the left fork arm and the right fork arm of the lug plate, a pin shaft sequentially penetrates through the through hole of the left fork arm and the through hole of the short arm of the body and stretches into the through hole of the right fork arm, one end of the pin shaft stretches out from the through hole of the left fork arm, a check ring is sleeved on the stretched pin shaft, the end part of the pin shaft is screwed into a second nut, a spring is arranged on the pin shaft between the check ring and the second nut, a check pin shaft stretching into the through hole of the right fork arm is provided with a check pin, a groove is formed in the lower part of the through hole of the right fork arm, a first key slot is formed in the upper part of the through hole of the right fork arm, a short arm corresponding to the first key slot is formed in the through hole of the left fork arm, a second key slot is formed in the through hole of the short arm, the pin shaft is inserted into the left fork arm, the short arm and the right fork arm is clamped in the key slot, and is quickly fastened and detached; after the pin shaft rotates 180 degrees, the pin shaft is pulled out outwards and pulled out from the right fork arm and the short arm, the pin enters the left fork arm, the stop pin is clamped on the first key slot of the left fork arm, and after the lug plate rotates around the through hole at one end of the lug plate for a certain angle, the hanging type quick-release shackle is opened.
The utility model relates to a suspension type quick release shackle, wherein: the groove and the first key groove are respectively formed in the 180-degree position of the right fork arm through hole.
The utility model relates to a suspension type quick release shackle, wherein: it also includes a first cotter pin vertically inserted into the end of the bolt.
The utility model relates to a suspension type quick release shackle, wherein: it also includes a second cotter pin vertically inserted into the pin shaft and the second nut.
The utility model relates to a suspension type quick release shackle, wherein: one end of the spring is arranged in the second nut and is propped against the second nut, and the other end of the spring is propped against the check ring.
Compared with the existing shackle, the suspension type quick-release shackle has the following advantages:
1) The installation and the disassembly are only required to rotate 180 degrees, and the quick disassembly between the hoisted object and the hoisting rigging is realized in the working environment of frequent disassembly.
2) The device is a quick-release pin shaft, and the procedure of disassembling the nut is omitted during disassembly.
3) The quick-release pin roll is 2-3 times lighter than the pin roll due to different stress points and shearing force, so that the labor intensity is reduced, and the operation efficiency is improved.
Drawings
FIG. 1 is a schematic view of a forward section of a suspension quick release shackle of the present utility model in a locked condition;
FIG. 2 is a schematic side view of FIG. 1;
FIG. 3 is a schematic view of a forward section of the suspension quick release shackle of the present utility model in an open condition;
FIG. 4 is a schematic side view of FIG. 3;
fig. 5 is a schematic cross-sectional view of fig. 3 A-A.
Reference numeral 1 is a bolt; reference numeral 2 is a first cotter pin; reference numeral 3 is a first nut; reference numeral 4 is an ear plate; reference numeral 5 is a body; reference numeral 6 is a second keyway; reference numeral 7 is a pin shaft; reference numeral 8 is a second cotter pin; reference numeral 9 denotes a first key groove; reference numeral 10 is a stop pin; reference numeral 11 is a retainer ring; reference numeral 12 is a second nut; reference numeral 13 is a spring; reference numeral 14 is a right yoke; reference numeral 15 is a groove; reference numeral 16 is a long arm; reference numeral 17 denotes a short arm; reference numeral 18 is a left yoke.
Detailed Description
The suspension type quick release shackle of the present utility model comprises: bolt 1, first cotter 2, first nut 3, otic placode 4, body 5, round pin axle 7, second cotter 8, retaining ring 11, second nut 12, spring 13 and backing pin 10. The body 5 is U-shaped, and comprises: a long arm 16 and a short arm 17, wherein a through hole is respectively formed at the end of the long arm 16 and the end of the short arm 17; one end of the ear plate 4 is provided with a through hole, the other end of the ear plate 4 is provided with a left fork arm 18 and a right fork arm 14 which are bilaterally symmetrical, the end parts of the left fork arm 18 and the right fork arm 14 are respectively provided with a through hole, the bolt 1 sequentially passes through the through hole at the end part of the long arm 16 of the body 5 and the through hole at one end of the ear plate 4, the first nut 3 is fixed on the bolt 1, and the first cotter pin 2 is vertically inserted into the end part of the bolt 1.
The end of the short arm 17 of the body 5 is inserted between the left fork arm 18 and the right fork arm 14 of the ear plate 4, the pin shaft 7 sequentially passes through the through hole of the left fork arm 18 and the through hole of the short arm 17 of the body 5, and stretches into the through hole of the right fork arm 14, one end of the pin shaft 7 stretches out from the through hole of the left fork arm 18, the stretched pin shaft 7 is sleeved with a retainer ring 11, the end of the pin shaft 7 is screwed into a second nut 12, the second cotter pin 8 is vertically inserted into the pin shaft 7 and the second nut 12, a spring 13 is arranged on the pin shaft 7 between the retainer ring 11 and the second nut 12, one end of the spring 13 is arranged in the second nut 12 and props against the second nut 12, and the other end of the spring 13 props against the retainer ring 11.
The pin shaft 7 extending into the through hole of the right fork arm 14 is provided with a stop pin 10, the lower part of the through hole of the right fork arm 14 is provided with a section of groove 15, the upper part of the through hole of the right fork arm 14 and the upper part of the through hole of the left fork arm 18 are provided with a first key slot 9, the through hole of the short arm 17 corresponding to the first key slot 9 is provided with a second key slot 6, and the groove 15 and the first key slot 9 are respectively arranged at the 180-degree positions relative to the through hole of the right fork arm 14.
After the pin shaft 7 is inserted into the left fork arm 18, the short arm 17 and the right fork arm 14, the stop pin 10 is clamped on the groove 15, and the hanging type quick-release shackle is locked; after the pin shaft 7 rotates 180 degrees, the pin shaft 7 is pulled out outwards and is pulled out from the right fork arm 14 and the short arm 17 to enter the left fork arm 18, the stop pin 10 is clamped on the first key groove 9 of the left fork arm 18, and after the lug plate 4 rotates around a through hole at one end of the lug plate by a certain angle, the hanging type quick-release shackle is opened.
In the hoisting process, after the pin shaft 7 separates the body 5 from the pin shaft 7, the hoisted object is put in, so that the large-tonnage shackle has heavy self weight, and the labor intensity is increased. The shackle is characterized in that the shape of the body is changed, the lug plate 4 is additionally arranged at the joint of the body 5 and the pin shaft 7, so that the shackle can be detached when in hanging in the air, a hung object (when the hung object is connected by a rope, a sling and a steel wire rope) can be detached, the rope of the hung object is hung into the shackle, the rope is always in a loose state, the pin shaft 7 in the hanging shackle can be rotated for 180 degrees to withdraw from a key slot at the upper part of the body 5, and the lug plate 4 is opened to hang the rope of the hung object into the shackle, so that the hanging is completed. When the lug plate 4 naturally hangs down through the weight of the lug plate 4 during installation, at the moment, when the lug plate 4 is coaxial with the body 5, the pin shaft 7 is pushed forward, so that the stop pin 10 passes through the first key groove 9 of the left fork arm 18, the second key groove 6 at the upper part of the body 5 and the first key groove 9 of the right fork arm 14, and then is clamped into the groove 15 at the lower part of the right fork arm 14 by rotating 180 degrees, and the pin shaft 7 is automatically locked through the reaction force of the spring 13, so that the installation is realized.
The large-tonnage pin shaft shackle with the nut in daily life is detached by pulling out the cotter pin, unscrewing the nut and then taking down the pin shaft, and the dead weight of the shackle body and the dead weight of the pin shaft are overlarge due to overlarge tonnage of the hung object, so that the disassembly is time-consuming and labor-consuming. According to the suspension type quick-release shackle, the shape of the body 5 is changed, the lug plates 4 are added at the joint of the body 5 and the pin shafts 7, the lug plates 4 are equivalent to the function of the shackle large-tonnage body, the pin shafts 7 are equivalent to the function of the large-tonnage pin shafts, the lug plates 4 are 3-4 times lighter than the shackle body and 2-3 times lighter than the large-tonnage pin shafts due to different stress points and shearing resistance, and at the moment, the quick-release pin shafts 7 can be detached only when a hung object is assembled and disassembled, so that the hung object can be assembled and disassembled, the labor intensity is reduced, the working efficiency is improved, and the working time is shortened.
The above description is only of specific embodiments of the utility model, but not limiting, and the person skilled in the art, based on the basic idea of the utility model, can modify and improve the utility model, but all other embodiments obtained without making any inventive effort are within the scope of the utility model.
Claims (5)
1. A suspension type quick release shackle, comprising: bolt (1), first nut (3), otic placode (4), body (5), round pin axle (7), retaining ring (11), second nut (12), spring (13) and backing pin (10), its characterized in that: the body (5) is U-shaped, and comprises: a long arm (16) and a short arm (17), wherein a through hole is respectively arranged at the end part of the long arm (16) and the end part of the short arm (17); a through hole is formed in one end of the lug plate (4), a left fork arm (18) and a right fork arm (14) which are bilaterally symmetrical are arranged at the other end of the lug plate (4), a through hole is formed in the end parts of the left fork arm (18) and the right fork arm (14), a bolt (1) sequentially penetrates through the through hole of the end part of the long arm (16) of the body (5) and the through hole of one end of the lug plate (4), a first nut (3) is fixed on the bolt (1), the end part of the short arm (17) of the body (5) is inserted between the left fork arm (18) and the right fork arm (14) of the lug plate (4), a pin shaft (7) sequentially penetrates through the through hole of the left fork arm (18) and the through hole of the short arm (17) of the body (5) and stretches into the through hole of the right fork arm (14), one end of the pin shaft (7) stretches out from the through hole of the left fork arm (18), a check ring (11) is sleeved on the stretched pin shaft (7), the end part of the pin shaft (7) is screwed into a second nut (12), the end part of the pin shaft (7) is positioned between the check ring (11) and the second nut (12), the end part of the pin shaft (7) is inserted into the through hole (14) and is provided with a through hole (15), a first key slot (9) is formed in the upper part of a through hole of the right fork arm (14) and the upper part of a through hole of a section of left fork arm (18), a second key slot (6) is formed in a through hole of a short arm (17) corresponding to the first key slot (9), and after the pin shaft (7) is inserted into the left fork arm (18), the short arm (17) and the right fork arm (14), the stop pin (10) is clamped on the groove (15), and the suspension type quick-release shackle is locked; after the pin shaft (7) rotates 180 degrees, the pin shaft (7) is pulled out outwards and pulled out from the right fork arm (14) and the short arm (17), the pin is put into the left fork arm (18), the stop pin (10) is clamped on the first key slot (9) of the left fork arm (18), and after the lug plate (4) rotates around a through hole at one end of the lug plate by a certain angle, the hanging type quick-release shackle is opened.
2. A suspension quick release shackle as defined by claim 1, wherein: the groove (15) and the first key groove (9) are respectively formed at 180 degrees opposite to the through hole of the right fork arm (14).
3. A suspension quick release shackle as defined by claim 2, wherein: it also comprises a first cotter pin (2), the first cotter pin (2) being inserted vertically into the end of the bolt (1).
4. A suspension quick release shackle as defined by claim 3, wherein: it also comprises a second cotter pin (8), the second cotter pin (8) being inserted vertically into the pin shaft (7) and the second nut (12).
5. A suspension quick release shackle as defined by claim 4 wherein: one end of the spring (13) is arranged in the second nut (12) and is propped against the second nut (12), and the other end is propped against the retainer ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320474832.1U CN219807649U (en) | 2023-03-14 | 2023-03-14 | Suspension type quick-release shackle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320474832.1U CN219807649U (en) | 2023-03-14 | 2023-03-14 | Suspension type quick-release shackle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219807649U true CN219807649U (en) | 2023-10-10 |
Family
ID=88212290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320474832.1U Active CN219807649U (en) | 2023-03-14 | 2023-03-14 | Suspension type quick-release shackle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219807649U (en) |
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2023
- 2023-03-14 CN CN202320474832.1U patent/CN219807649U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |