CN111675083A - Self-locking hook - Google Patents
Self-locking hook Download PDFInfo
- Publication number
- CN111675083A CN111675083A CN202010574818.XA CN202010574818A CN111675083A CN 111675083 A CN111675083 A CN 111675083A CN 202010574818 A CN202010574818 A CN 202010574818A CN 111675083 A CN111675083 A CN 111675083A
- Authority
- CN
- China
- Prior art keywords
- lifting rod
- pivot
- hook body
- strip
- shaped groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
- B66C1/36—Crane hooks with means, e.g. spring-biased detents, for preventing inadvertent disengagement of loads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The invention discloses a self-locking hook which comprises a lifting rod and a hook body, wherein a plurality of through holes are processed on the lifting rod, a pivot is inserted in the through holes, the pivot is externally connected with a lifting device, and a strip-shaped groove is also formed in the lifting rod; the hook body is rotatably connected with the lifting rod through a third pivot, the tip end of the hook body is matched with the strip-shaped groove of the lifting rod, the rotating range of the hook body is not more than the maximum size of the strip-shaped groove, the strip-shaped groove is formed in the arc-shaped part of the lifting rod, the third pivot penetrates through the strip-shaped groove, and through holes are formed in two side parts of the strip-shaped groove. The hook body of the device is movably arranged on the lifting rod, a heavy object is hung on the hook body, the lifting rod is pulled up, the lifting rod is in a vertical state, the heavy object is hung on the hook body, the arc-shaped end part of the hook body is inserted into the strip-shaped groove under the action of gravity, and the lifting rod and the hook body are in a locking state under the action of tension force to realize self locking.
Description
Technical Field
The invention relates to the technical field of local improved design of hoisting machinery, in particular to a self-locking hook.
Background
In the prior art, the engineering field often needs to face the operation object with large volume and large weight, the lifting appliance is a common tool at the moment, the lifting hook on the lifting appliance is an important component of the lifting appliance, the problem that the lifting hook is prevented from slipping is particularly carefully handled, on one hand, the lifting hook has enough strength, and on the other hand, the hanging of the lifting hook must be stable so as to prevent the object from slipping off the lifting hook in the lifting process. Therefore, various self-locking lifting hooks are researched and developed in the engineering field, wherein the most common self-locking mode is that a spring clamping piece is arranged in an opening area of the lifting hook, a hanging rope bounces from outside to inside, the clamping piece returns to the original position under the action of a spring after the hanging rope enters the lifting hook, the opening area of the lifting hook is locked, the self-locking anti-slipping function of the lifting hook is achieved, and the spring clamping piece in the mode is a weak link of a self-locking mechanism and still cannot guarantee the safety of the lifting hook.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a self-locking hook, wherein a hook body is movably arranged on a lifting rod, a heavy object is hung on the hook body, the lifting rod is pulled up, the lifting rod is in a vertical state, the heavy object is hung on the hook body, the hook body is inserted into a strip-shaped groove under the action of gravity, and the lifting rod and the hook body are in a locking state under the action of tension to realize self-locking.
In order to achieve the purpose, the invention adopts the technical scheme that: a self-locking hook comprises a lifting rod and a hook body, wherein a plurality of through holes are processed on the lifting rod, a pivot is inserted in the through holes, the pivot is externally connected with a lifting device, and a strip-shaped groove is formed in the lifting rod; the hook body is rotatably connected with the lifting rod through a third pivot, and the tip end of the hook body is matched with the strip-shaped groove of the lifting rod.
The rotating range of the hook body does not exceed the maximum size of the strip-shaped groove.
The strip-shaped groove is arranged at the arc-shaped part of the lifting rod.
The third pivot run through the bar groove, two lateral parts of bar groove are processed and are had the through-hole.
A first pivot hole and a second pivot hole are formed in the lifting rod, a first pivot is inserted in the first pivot hole, and a second pivot is inserted in the second pivot hole.
A groove is formed in the lifting rod, and a first pivot hole and a second pivot hole are formed in the side portion of the groove.
The parts of the first pivot and the second pivot in the groove are connected with an external lifting device.
Compared with the prior art, the invention has the beneficial effects that: the hook body of the device is movably arranged on the lifting rod, a heavy object is hung on the hook body, the lifting rod is pulled up, the lifting rod is in a vertical state, the heavy object is hung on the hook body, the arc-shaped end part of the hook body is inserted into the strip-shaped groove under the action of gravity, and the lifting rod and the hook body are in a locking state under the action of tension force to realize self locking.
Drawings
FIG. 1 is a first perspective view of the present invention;
fig. 2 is a second perspective view of the present invention.
The labels in the figures are: 1. a first pivot; 2. a second pivot hole; 3. a third pivot; 4. lifting a pull rod; 5. a hook body; 6. a strip-shaped groove.
Detailed Description
The following detailed description is provided in conjunction with the embodiments and with reference to the accompanying drawings in order to provide a further explanation of the technical features and advantages of the present invention.
As shown in fig. 1-2, the self-locking hook of the present invention comprises a lifting rod 4 and a hook body 5, wherein the lifting rod is provided with a plurality of through holes, a pivot is inserted into the through holes and externally connected with a lifting device, and the lifting rod is further provided with a strip-shaped groove 6; the hook body is rotatably connected with the lifting rod through a third pivot 3, and the tip end part of the hook body is matched with the strip-shaped groove of the lifting rod.
Furthermore, the rotation range of the hook body does not exceed the maximum size of the strip-shaped groove, the strip-shaped groove is formed in the arc-shaped part of the lifting rod, namely the tip part of the hook body can be just accommodated in the strip-shaped groove of the lifting rod, and the self-locking function is realized.
Furthermore, the third pivot run through the bar groove, two lateral parts processing in bar groove have a through-hole, lifting rod on process first pivot hole and second pivot hole 2, belong to reserve through-hole, cartridge first pivot 1 in the first pivot hole, cartridge second pivot in the second pivot hole, lifting rod on process the recess, the recess lateral part processing first pivot hole and second pivot hole, first pivot and second pivot in the recess part link to each other with outside hoisting device, outside hoisting device generally is hoist or loop wheel machine, the pivot passes through the chain connection.
In the device, the hook body is movably arranged on the lifting rod in a hinged mode, the lifting rod is provided with a through hole structure through which the hook penetrates, when a heavy object is hung, the chain pulls the lifting rod up, the lifting rod is in a vertical state, the heavy object is hung on the hook body, the hook body is enabled to be under the action of gravity to enable the arc-shaped end part of the hook body to be inserted into the strip-shaped groove structure, and the lifting rod and the hook body are both under the tension in a locking state to realize a self-locking function. The corresponding screw thread connection of pivot, the nut is prior art or material, and the technical personnel that belong to can directly purchase or order from the market according to required product model and specification.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
The present invention is described in detail and completely by the technical solutions in the above embodiments, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (7)
1. A self-locking hook is characterized by comprising a lifting rod and a hook body, wherein a plurality of through holes are processed on the lifting rod, a pivot is inserted in the through holes, the pivot is externally connected with a lifting device, and a strip-shaped groove is further formed in the lifting rod; the hook body is rotatably connected with the lifting rod through a third pivot, and the tip end of the hook body is matched with the strip-shaped groove of the lifting rod.
2. A self-locking hook as defined in claim 1, wherein the range of rotation of said hook body does not exceed the maximum dimension of said strip-shaped groove.
3. The self-locking hook according to claim 2, wherein the strip-shaped groove is formed in the arc-shaped portion of the lifting rod.
4. The self-locking hook according to claim 3, wherein the third pivot passes through a strip-shaped groove, and through holes are formed in two side portions of the strip-shaped groove.
5. The self-locking hook according to claim 4, wherein the lifting rod is provided with a first pivot hole and a second pivot hole, the first pivot hole is inserted with the first pivot, and the second pivot hole is inserted with the second pivot.
6. The self-locking hook according to claim 5, wherein the lifting rod is provided with a groove, and the side of the groove is provided with a first pivot hole and a second pivot hole.
7. A self-locking hook according to claim 6, wherein the portions of the first and second pivots in the recess are connected to external lifting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010574818.XA CN111675083A (en) | 2020-06-22 | 2020-06-22 | Self-locking hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010574818.XA CN111675083A (en) | 2020-06-22 | 2020-06-22 | Self-locking hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111675083A true CN111675083A (en) | 2020-09-18 |
Family
ID=72456028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010574818.XA Pending CN111675083A (en) | 2020-06-22 | 2020-06-22 | Self-locking hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111675083A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116374805A (en) * | 2023-03-10 | 2023-07-04 | 杭州众乘科技有限公司 | Hanging device with anti-falling mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06345375A (en) * | 1993-06-10 | 1994-12-20 | Sumiko Matsuyama | Hook device for hoisting heavy object |
| CN101410321A (en) * | 2006-04-05 | 2009-04-15 | 贡讷布工业股份公司 | A self-locking safety hook |
| CN202358830U (en) * | 2011-11-08 | 2012-08-01 | 山东神力索具有限公司 | Safe rotary lifting hook rigging |
| CN204873462U (en) * | 2015-08-10 | 2015-12-16 | 河南省矿山起重机有限公司 | European style trolley lifting hook antiskid device that falls |
| CN105619011A (en) * | 2014-11-06 | 2016-06-01 | 青岛世纪云帆实业有限公司 | Manufacturing and assembly process of eyelet type self-locking lifting hook |
| CN209601937U (en) * | 2018-12-17 | 2019-11-08 | 天奇自动化工程股份有限公司 | Automatic lockout suspension hook |
-
2020
- 2020-06-22 CN CN202010574818.XA patent/CN111675083A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06345375A (en) * | 1993-06-10 | 1994-12-20 | Sumiko Matsuyama | Hook device for hoisting heavy object |
| CN101410321A (en) * | 2006-04-05 | 2009-04-15 | 贡讷布工业股份公司 | A self-locking safety hook |
| CN202358830U (en) * | 2011-11-08 | 2012-08-01 | 山东神力索具有限公司 | Safe rotary lifting hook rigging |
| CN105619011A (en) * | 2014-11-06 | 2016-06-01 | 青岛世纪云帆实业有限公司 | Manufacturing and assembly process of eyelet type self-locking lifting hook |
| CN204873462U (en) * | 2015-08-10 | 2015-12-16 | 河南省矿山起重机有限公司 | European style trolley lifting hook antiskid device that falls |
| CN209601937U (en) * | 2018-12-17 | 2019-11-08 | 天奇自动化工程股份有限公司 | Automatic lockout suspension hook |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116374805A (en) * | 2023-03-10 | 2023-07-04 | 杭州众乘科技有限公司 | Hanging device with anti-falling mechanism |
| CN116374805B (en) * | 2023-03-10 | 2023-10-03 | 杭州众乘科技有限公司 | Hanging device with anti-falling mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213059889U (en) | Building engineering hoisting structure | |
| CN201169489Y (en) | Safety hook | |
| CN210594922U (en) | Hook structure for hoisting and carrying | |
| CN208413652U (en) | A kind of Electric cable coil boom hoisting | |
| CN111675083A (en) | Self-locking hook | |
| CN108821102A (en) | A kind of hook drop-proof hook device on crane | |
| CN210914979U (en) | Self-unloading lifting hook | |
| CN210710324U (en) | Safety shackle | |
| CN212174226U (en) | Aerial working lifting rope structure with safety locking assembly | |
| US2462965A (en) | Hoisting hook | |
| CN216711368U (en) | Tower hoisting sling with high stability | |
| CN207774626U (en) | A kind of motor hoist shackle hook | |
| CN205759199U (en) | 220kV Twin bundled line electrified operation self-locking backup protection rope | |
| CN209835426U (en) | Self-locking latch hook | |
| CN208700413U (en) | A kind of anti-dropout crampon | |
| CN208200146U (en) | A kind of I-beam wheel grabbing device with pneumatic clamper | |
| CN210710214U (en) | Hoist machinery safety prevents weighing down rope | |
| CN216004928U (en) | Lower hoisting point connecting piece with quick-release function | |
| CN214118849U (en) | Shackle convenient to installation is dismantled | |
| CN207226809U (en) | A kind of nuclear power polymorphic type container crane lamps structure | |
| CN201183708Y (en) | Sling | |
| CN214141238U (en) | Modified crane hook tongue depressor | |
| CN215364498U (en) | Lifting hook capable of automatically unhooking | |
| CN112374407A (en) | Auxiliary hoisting tool for electric power construction | |
| CN212198154U (en) | Hook locking mechanism for crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200918 |
|
| RJ01 | Rejection of invention patent application after publication |