CN209758841U - Self-locking type lifting hook - Google Patents
Self-locking type lifting hook Download PDFInfo
- Publication number
- CN209758841U CN209758841U CN201920550629.1U CN201920550629U CN209758841U CN 209758841 U CN209758841 U CN 209758841U CN 201920550629 U CN201920550629 U CN 201920550629U CN 209758841 U CN209758841 U CN 209758841U
- Authority
- CN
- China
- Prior art keywords
- lifting
- swing rods
- swing
- self
- rods
- 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.)
- Active
Links
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
A self-locking type lifting hook relates to the technical field of lifting appliances and is mainly used for solving the problem that a heavy object falls off during lifting, and comprises a lifting beam, wherein a pair of lifting hooks are arranged below the lifting beam, the two lifting hooks are respectively and fixedly connected to two ends of the lifting beam, a pair of vertically arranged swing rods are arranged on the lifting beam between the two lifting hooks, the middle parts of the two swing rods are hinged to the lifting beam so as to enable the swing rods to swing oppositely, reset springs respectively connected with the two swing rods are arranged between the two swing rods, and pressing structures used for pressing the lifted object are fixedly arranged at the bottoms of the two swing rods; and a lifting part for connecting the tops of the two swing rods is arranged above the lifting beam. When in use, the stay cable drives the swing rod to overcome the thrust of the spring so as to automatically put down the pressing block to compress a heavy object; after lifting by crane and accomplishing, pendulum rod upper portion outwards separates under the effect of spring and drives the pendulum rod lower part and upwards lift up, removes auto-lock state automatically, the utility model has the advantages of simple structure, convenient to use, safe high efficiency.
Description
Technical Field
The utility model relates to a hoist technical field, especially a self-locking formula lifting hook.
Background
With the rapid development of industry, people put hoisting devices into the production process of carrying materials or assembling machines in large quantities, and in the prior art, workers in different industries develop hoisting hooks in different styles according to the characteristics and requirements of the industries so as to enable hoisting operation to be safer and more efficient. During the lifting process, the falling of the heavy object from the lifting hook can affect the production safety, and research and development personnel develop various lifting hooks capable of locking the heavy object aiming at the problem. For example, chinese patent publication No. CN105417358A discloses an automatic locking hook for crane, which is provided with an arc locking pin and a hook body, and locks a heavy object by closing the hook body with the arc locking pin. For another example, chinese patent publication No. CN204416920U discloses a self-locking type automatic hook, which can clamp a heavy object to realize self-locking by tightening hooks at both sides with a pull rope, and when the hook shakes or shakes in the air, the pull rope sometimes makes it difficult to tighten the hooks at both sides to release the self-locking of the automatic hook, but since a structure for preventing the heavy object from falling is not provided below the automatic hook, the heavy object may fall after the self-locking is released, which may cause a safety hazard. Therefore, a hoisting hook which has a simple structure, can automatically lock the heavy object and is not easy to fall off after self-locking is released needs to be developed.
disclosure of Invention
The utility model aims to solve the technical problem that to prior art not enough, provide a simple structure, convenient to use, can lock the heavy object automatically and the auto-lock relieves the self-locking formula that the back heavy object also is difficult to drop and lifts by crane the lifting hook.
The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to a self-locking formula lifting hook, its characteristics are: the lifting device comprises a lifting beam, wherein a pair of lifting hooks are arranged below the lifting beam, the two lifting hooks are respectively and fixedly connected to two ends of the lifting beam, and the two lifting hooks are symmetrically arranged by taking the middle point of the lifting beam as the center;
a pair of vertically arranged swing rods is mounted on the hanging beam between the two lifting hooks, the two swing rods are symmetrically arranged by taking the middle point of the hanging beam as a center, the middle parts of the two swing rods are hinged and connected to the hanging beam so that the swing rods can swing oppositely, return springs respectively connected with the two swing rods are mounted between the two swing rods, and pressing structures used for pressing the lifted objects are fixedly arranged at the bottoms of the two swing rods;
And a lifting part for connecting the tops of the two swing rods is arranged above the lifting beam.
Above the utility model relates to a self-locking formula lifts by crane lifting hook, its further preferred technical scheme or technical characterstic are: and a vertically arranged mounting slot hole is formed in the hanging beam between the two lifting hooks, and the lower part of the swing rod penetrates through the mounting slot hole and the middle part of the swing rod is hinged and connected in the mounting slot hole.
Above the utility model relates to a self-locking formula lifts by crane lifting hook, its further preferred technical scheme or technical characterstic are: the lifting part comprises a connecting plate and two pull rods, the lower ends of the two pull rods are respectively hinged to the tops of the two swing rods, the upper ends of the two pull rods are hinged to the connecting plate, and the top of the connecting plate is fixedly connected with a lifting ring.
Above the utility model relates to a self-locking formula lifts by crane lifting hook, its further preferred technical scheme or technical characterstic are: the lifting part comprises a stay cable, a hanging ring is fixedly arranged in the middle of the stay cable, and two ends of the stay cable are respectively hinged to the tops of the two swing rods.
Above the utility model relates to a self-locking formula lifts by crane lifting hook, its further preferred technical scheme or technical characterstic are: the reset spring is arranged above the hanging beam, the reset spring is a spring for providing thrust, and two ends of the reset spring are respectively hinged to the two swing rods. When the force transmitted to the reset spring when the lifting part tensions the swing rod is greater than the outward thrust of the spring, the upper part of the swing rod is close to the inner part so as to drive the lower part of the swing rod to put down, and thus, the automatic locking of a heavy object is realized; when the force transmitted to the return spring when the lifting part tensions the swing rod is smaller than the outward thrust of the return spring, the upper part of the swing rod is separated outwards under the action of the spring so as to drive the lower part of the swing rod to be lifted upwards, and the automatic release of the self-locking state is realized.
Above the utility model relates to a self-locking formula lifts by crane lifting hook, its further preferred technical scheme or technical characterstic are: the pressing structure comprises a limiting pressing block, the limiting pressing block is fixedly connected to the bottom of the swing rod, and a limiting pressing groove used for being attached to a hoisted object is formed in the bottom of the limiting pressing block. The shape of the limiting indent can be flexibly designed according to the shape of the heavy object, so that the limiting indent can be better attached to the heavy object.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model hooks the heavy object through the hooks at the two ends of the hanging beam, and the lifting part drives the swing rod to overcome the thrust of the reset spring during lifting so as to automatically put down the lower part of the swing rod, thereby leading the limit pressing block to tightly press the heavy object through the limit pressing groove; when the lifting is finished, the force transmitted to the reset spring by the lifting part through the swing rod is smaller than the outward thrust of the reset spring, the upper part of the swing rod is separated outwards under the action of the reset spring so as to drive the lower part of the swing rod to be lifted upwards, the automatic release of the self-locking state is realized, the manual operation is not needed, and the time and the labor are saved; even if the lifting hook shakes during the lifting process to release the self-locking state of the swing rod, the heavy object can be supported by the lifting hooks at the two ends, and the possibility of falling is reduced; the utility model has the advantages of simple structure, convenient use, safety, high efficiency and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the structure of FIG. 1;
Fig. 3 is a schematic side view of the structure of fig. 1.
fig. 4 is a schematic view of a cable mounting structure.
In the figure, 1 is a hanging beam; 2 is a lifting hook; 3 is a swing rod; 4 is a pull rod; 5 is a return spring; 6 is a limit pressing block; 7 is a connecting plate; and 8 is a pull rope.
Detailed Description
The following further describes embodiments of the present invention in order to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
Embodiment 1, a self-locking type lifting hook comprises a hanging beam 1, a pair of lifting hooks 2 are arranged below the hanging beam 1, the two lifting hooks 2 are respectively and fixedly connected to two ends of the hanging beam 1, and the two lifting hooks 2 are symmetrically arranged by taking the middle point of the hanging beam 1 as the center;
A pair of vertically arranged swing rods 3 is arranged on the hanging beam 1 between the two lifting hooks 2, the two swing rods 3 are symmetrically arranged by taking the middle point of the hanging beam 1 as the center, the middle parts of the two swing rods 3 are hinged and connected on the hanging beam 1 so as to enable the swing rods 3 to swing oppositely, return springs 5 respectively connected with the two swing rods 3 are arranged between the two swing rods 3, and pressing structures used for pressing and lifting objects are fixedly arranged at the bottoms of the two swing rods 3;
A lifting part connected with the tops of the two swing rods 3 is arranged above the lifting beam 1.
example 2, a self-locking lifting hook according to example 1, wherein: a vertically arranged installation slot hole is formed in the hanging beam 1 between the two hanging hooks 2, and the lower part of the swing rod 3 penetrates through the installation slot hole and the middle part of the swing rod 3 is hinged and connected in the installation slot hole.
example 3, a self-locking lifting hook according to example 1 or 2, wherein: referring to fig. 1, 2 and 3, the lifting part comprises a connecting plate 7 and two pull rods 4, the lower ends of the two pull rods 4 are respectively hinged to the tops of the two swing rods 3, the upper ends of the two pull rods 4 are hinged to the connecting plate 7, and the top of the connecting plate 7 is fixedly connected with a lifting ring.
Example 4, a self-locking lifting hook according to example 1 or 2 or 3, wherein: referring to fig. 4, the lifting part comprises a stay cable 8, a lifting ring is fixedly arranged in the middle of the stay cable 8, and two ends of the stay cable 8 are respectively hinged to the tops of the two swing rods 3.
Example 5, a self-locking lifting hook according to any one of examples 1 to 4, wherein: the reset spring 5 is arranged above the hanging beam 1, the reset spring 5 is a spring for providing thrust, and two ends of the reset spring 5 are respectively hinged to the two swing rods 3. When the force transmitted to the reset spring 5 when the lifting part tensions the swing rod 3 is greater than the outward thrust of the spring, the upper part of the swing rod 3 approaches inwards to drive the lower part of the swing rod 3 to put down, so that the lifted object is automatically locked; when the force transmitted to the return spring 5 when the lifting part tensions the swing rod 3 is smaller than the outward thrust of the return spring 5, the upper part of the swing rod 3 is separated outwards under the action of the spring so as to drive the lower part of the swing rod 3 to be lifted upwards, and the automatic release of the self-locking state is realized.
Example 6, a self-locking lifting hook according to any one of examples 1 to 5, wherein: the pressing structure comprises a limiting pressing block 6, the limiting pressing block 6 is fixedly connected to the bottom of the swing rod 3, and a limiting pressing groove used for being attached to a lifted object is formed in the bottom of the limiting pressing block 6. The shape of the limiting indent can be flexibly designed according to the shape of the heavy object, so that the limiting indent can be better attached to the heavy object.
The utility model discloses during the use, will lift by crane the thing and place between two lifting hooks 2, hang the rings of portion of lifting by crane on the loop wheel machine, lift by crane the portion of lifting by crane and will transmit for two pendulum rod 3 with power, pendulum rod 3 overcomes 5 elasticity of reset spring, makes the lower extreme of pendulum rod 3 drive spacing briquetting 6 and puts down, makes spacing indent compress tightly on lifting by crane the thing, reaches the effect that automatic locking lifted by crane the thing.
Claims (6)
1. The utility model provides a self-locking formula lifting hook which characterized in that: the lifting device comprises a lifting beam, wherein a pair of lifting hooks are arranged below the lifting beam, the two lifting hooks are respectively and fixedly connected to two ends of the lifting beam, and the two lifting hooks are symmetrically arranged by taking the middle point of the lifting beam as the center;
A pair of vertically arranged swing rods is mounted on the hanging beam between the two lifting hooks, the two swing rods are symmetrically arranged by taking the middle point of the hanging beam as a center, the middle parts of the two swing rods are hinged and connected to the hanging beam so that the swing rods can swing oppositely, return springs respectively connected with the two swing rods are mounted between the two swing rods, and pressing structures used for pressing the lifted objects are fixedly arranged at the bottoms of the two swing rods;
and a lifting part for connecting the tops of the two swing rods is arranged above the lifting beam.
2. A self-locking lifting hook as claimed in claim 1, wherein: and a vertically arranged mounting slot hole is formed in the hanging beam between the two lifting hooks, and the lower part of the swing rod penetrates through the mounting slot hole and the middle part of the swing rod is hinged and connected in the mounting slot hole.
3. A self-locking lifting hook as claimed in claim 1, wherein: the lifting part comprises a connecting plate and two pull rods, the lower ends of the two pull rods are respectively hinged to the tops of the two swing rods, the upper ends of the two pull rods are hinged to the connecting plate, and the top of the connecting plate is fixedly connected with a lifting ring.
4. A self-locking lifting hook as claimed in claim 1, wherein: the lifting part comprises a stay cable, a hanging ring is fixedly arranged in the middle of the stay cable, and two ends of the stay cable are respectively hinged to the tops of the two swing rods.
5. A self-locking lifting hook as claimed in claim 1, wherein: the reset spring is arranged above the hanging beam, the reset spring is a spring for providing thrust, and two ends of the reset spring are respectively hinged to the two swing rods.
6. A self-locking lifting hook as claimed in claim 1, wherein: the pressing structure comprises a limiting pressing block, the limiting pressing block is fixedly connected to the bottom of the swing rod, and a limiting pressing groove used for being attached to a hoisted object is formed in the bottom of the limiting pressing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920550629.1U CN209758841U (en) | 2019-04-22 | 2019-04-22 | Self-locking type lifting hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920550629.1U CN209758841U (en) | 2019-04-22 | 2019-04-22 | Self-locking type lifting hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209758841U true CN209758841U (en) | 2019-12-10 |
Family
ID=68760074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920550629.1U Active CN209758841U (en) | 2019-04-22 | 2019-04-22 | Self-locking type lifting hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209758841U (en) |
-
2019
- 2019-04-22 CN CN201920550629.1U patent/CN209758841U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108821102A (en) | A kind of hook drop-proof hook device on crane | |
| CN209758841U (en) | Self-locking type lifting hook | |
| CN201614227U (en) | Hoisting rigging device | |
| CN210286444U (en) | Safety lifting appliance for ring forging | |
| CN203877734U (en) | Sling device for plate of 10-50mm in thickness | |
| CN103395689A (en) | Horizontal hoisting clamp for wallboard | |
| CN207276046U (en) | A kind of large high-temperature forge piece hoisting mechanism | |
| CN207479496U (en) | A kind of high-temperature ring forge piece hoisting mechanism | |
| CN206494642U (en) | A kind of new equipment safety hanging apparatus without hoisting platform | |
| CN202465026U (en) | Hoisting tool for mould basket carburization | |
| CN205990181U (en) | A kind of light-duty shockproof suspension hook | |
| CN209038856U (en) | A kind of overhead traveling crane steel plate special suspender | |
| CN205442374U (en) | A can dismantle hoist automatically that is used for fork truck jack -up system assembly to hoist | |
| CN209835421U (en) | Spool lifting appliance | |
| CN207497913U (en) | A kind of aluminium alloy bars special hanger | |
| CN203806952U (en) | Mechanical self-tripping clamping and lifting device | |
| CN212076159U (en) | Special hoisting tool for spool | |
| CN205668870U (en) | Automatically-unhooked safe suspender | |
| CN211254957U (en) | Hardware component production hoist and mount rigging for transportation | |
| CN205257765U (en) | Loader switching valve special lifting device device | |
| CN210635601U (en) | Whole buttress jack-up hoist of ring forging | |
| CN220461947U (en) | Hanging pin of stamping die | |
| CN212101643U (en) | Simple I-steel lifting appliance | |
| CN220223215U (en) | Rotatable lifting sling | |
| CN221093388U (en) | Safety anti-drop protection mechanism of lifting appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |