CN218879179U - Safety lifting device of crane - Google Patents
Safety lifting device of crane Download PDFInfo
- Publication number
- CN218879179U CN218879179U CN202222871279.3U CN202222871279U CN218879179U CN 218879179 U CN218879179 U CN 218879179U CN 202222871279 U CN202222871279 U CN 202222871279U CN 218879179 U CN218879179 U CN 218879179U
- Authority
- CN
- China
- Prior art keywords
- telescopic
- fixedly connected
- wall
- article
- outer tube
- 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
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model relates to a hoist technical field just discloses a safe elevating gear of hoist, including the lifting rope, lifting rope one end and connection frame top fixed connection, the one end of connection frame inner wall is passed through dead lever and slider one end fixed connection, slider other end surface and spout middle part inner wall sliding connection, spout one side and couple one side fixed connection, the one end and the hydraulic stem one end fixed connection of connection frame inner wall, the hydraulic stem other end and first flexible outer tube one end fixed connection. This safe elevating gear of hoist, it faces upwards to rotate to the opening through half-tooth zone area movable hook, and the second spring promotes the flexible interior pole of second and moves down, makes the dog move down seal the opening of couple, has reached and has got in touch and can seal completely when lifting by crane article, prevents because the effect that rocks messenger's article and drop from the couple of article, has solved and has got in touch and can not seal when lifting by crane article, can make article follow the problem that drops on the couple under the condition that article rocked.
Description
Technical Field
The utility model relates to a hoist technical field specifically is a safe elevating gear of hoist.
Background
The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as crown blocks, navigation cranes and cranes.
The hook of the existing crane can not be closed when the object is lifted, the object can fall off from the hook under the condition that the object is shaken, the object can fall from the high altitude to cause the damage of the object and the injury of workers, and the safety of the object during lifting is reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a safe elevating gear of hoist, it can seal completely to possess the couple when lifting by crane article, prevent to make article drop from the couple because rocking of article, avoid article to fall from the high altitude and cause the damage of article and the injures and deaths of personnel, advantages such as security when having improved to article lift by crane, it can not seal to have solved current hoist couple when lifting by crane article, probably can make article drop from the couple under the condition that article rocked, article can appear and fall from the high altitude and cause the damage of article and injure workman's phenomenon by a crashing object, the problem of security when having reduced to article lift by crane.
(II) technical scheme
For realizing the aforesaid couple can carry out the totally enclosed when lifting by crane article, prevent to make article drop from the couple owing to rocking of article, avoid article to fall from the high altitude and cause the damage of article and personnel's injures and deaths, improved the purpose to the security when article lift by crane, the utility model provides a following technical scheme: the utility model provides a safe elevating gear of hoist, includes the lifting rope, lifting rope one end and connecting frame top fixed connection, and dead lever and slider one end fixed connection are passed through to the one end of connecting frame inner wall, slider other end surface and spout middle part inner wall sliding connection, spout one side and couple one side fixed connection.
One end and the hydraulic stem one end fixed connection of carriage inner wall, the hydraulic stem other end and first flexible outer tube one end fixed connection, first flexible outer tube other end inner wall cup joints with first flexible interior pole one end surface.
One end of the inner wall of the connecting frame is fixedly connected with one end of the second telescopic outer tube, the inner wall of the other end of the second telescopic outer tube is sleeved with the outer surface of one end of the second telescopic inner rod, and the other end of the second telescopic inner rod is fixedly connected with one side of the stop block.
The outer surface of the middle of the second telescopic inner rod is fixedly connected with one end of a third telescopic outer tube, the inner wall of the other end of the third telescopic outer tube is sleeved with the outer surface of one end of the third telescopic inner rod, and the other end of the third telescopic inner rod is fixedly connected with one end of a limiting block.
One side of the outer surface of the middle part of the first telescopic outer pipe is fixedly connected with one side of the push plate through a fixed rod, and the bottom of the push plate is connected with the outer surface of one end of the limiting block in a sliding mode.
Preferably, the outer circumferential surface of the hook is fixedly connected with the inner wall of the inner part of the semi-toothed ring, teeth on the outer circumferential surface of the semi-toothed ring are meshed with teeth on one side of the rack, and one end of the rack is fixedly connected with one end of the first telescopic inner rod.
Preferably, one end of the first telescopic inner rod is fixedly connected with one end of the first spring, and the other end of the first spring is fixedly connected with one end of the inner wall of the first telescopic outer tube.
Preferably, one end of the inner wall of the second telescopic outer tube is fixedly connected with one end of a second spring, and the other end of the second spring is fixedly connected with one end of a second telescopic inner rod.
Preferably, one end of the inner wall of the third telescopic outer tube is fixedly connected with one end of a third spring, and the other end of the third spring is fixedly connected with one end of a third telescopic inner rod.
Preferably, stopper one end surface sets up for the slope, stopper one end slope surface with spacing one end sliding connection that colludes, stopper bottom and the spacing one end sliding connection who colludes the inner wall, the spacing one end fixed connection who colludes the other end and the carriage inner wall.
(III) advantageous effects
Compared with the prior art, the utility model provides a safe elevating gear of hoist possesses following beneficial effect:
1. this safe elevating gear of hoist, it faces upwards to rotate to the opening through half-tooth zone area movable hook, and the second spring promotes the flexible interior pole of second and moves down, makes the dog move down seal the opening of couple, has reached and has got in touch and can seal completely when lifting by crane article, prevents because the effect that rocks messenger's article and drop from the couple of article, has solved and has got in touch and can not seal when lifting by crane article, can make article follow the problem that drops on the couple under the condition that article rocked.
2. This safe elevating gear of hoist, couple can seal completely when lifting by crane article, prevents to make article drop from the couple because rocking of article, avoids article to fall from the high altitude and causes the damage of article and the injures and deaths of personnel, has ensured the safety of personnel and goods, has improved the stability when lifting by crane article, simple structure, the operation of being convenient for.
Drawings
FIG. 1 is a three-dimensional schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a left side schematic view of the structure of the present invention;
FIG. 4 is a schematic three-dimensional sectional view of the structure of the present invention;
fig. 5 is a schematic front sectional view of the structure of the present invention.
In the figure: 1 lifting rope, 2 link frames, 3 sliders, 4 chutes, 5 hooks, 6 semi-toothed rings, 7 hydraulic rods, 8 first telescopic outer tubes, 9 first telescopic inner rods, 10 racks, 11 first springs, 12 second telescopic outer tubes, 13 second telescopic inner rods, 14 stop blocks, 15 second springs, 16 third telescopic outer tubes, 17 third telescopic inner rods, 18 limit blocks, 19 third springs, 20 push plates and 21 limit hooks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a safety lifting device for a crane includes a lifting rope 1, one end of the lifting rope 1 is fixedly connected to the top of a connecting frame 2, one end of the inner wall of the connecting frame 2 is fixedly connected to one end of a sliding block 3 through a fixing rod, the outer surface of the other end of the sliding block 3 is slidably connected to the inner wall of the middle portion of a sliding groove 4, one side of the sliding groove 4 is fixedly connected to one side of a hook 5, the outer circumferential surface of the hook 5 is fixedly connected to the inner wall of the middle portion of a half-toothed ring 6, teeth on the outer circumferential surface of the half-toothed ring 6 are engaged with teeth on one side of a rack 10, one end of the rack 10 is fixedly connected to one end of a first telescopic inner rod 9, the hook 5 is driven to rotate by the half-toothed ring 6 through the vertical movement of the rack 10, the hook 5 is driven to rotate to an opening upward through the half-toothed ring 6, a second spring 15 pushes a second telescopic inner rod 13 to move downward to seal the opening of the hook 5,
the one end and the 7 one end fixed connection of hydraulic stem of 2 inner walls of carriage, the 7 other ends of hydraulic stem and the 8 one end fixed connection of first flexible outer tube, the 8 other end inner walls of first flexible outer tube cup joint with the 9 one end surfaces of first flexible interior pole, 9 one end and the 11 one end fixed connection of first spring in the first flexible interior pole, the 11 other ends of first spring and the one end fixed connection of the 8 inner walls of first flexible outer tube, can exert a thrust to the 9 interior poles of first flexible through first spring 11, can make first spring 11 promote the 9 downshifts in first flexible interior pole when making the hydraulic stem 7 promote the 8 downshifts in first flexible outer tube.
One end and the flexible outer tube 12 one end fixed connection of second of 2 inner walls of link frame, the one end and the flexible outer tube 15 one end fixed connection of second spring of the flexible outer tube 12 inner wall of second, the 15 other ends of second spring and the flexible interior pole 13 one end fixed connection of second, the thrust that releases through second spring 15 can promote the flexible interior pole 13 of second and stretch out from the flexible outer tube 12 of second, drive dog 14 downstream, the flexible outer tube 12 other end inner wall of second cup joints with the flexible interior pole 13 one end surface of second, the flexible interior pole 13 other end of second and dog 14 one side fixed connection.
One side of the outer surface of the middle of the second telescopic inner rod 13 is fixedly connected with one end of a third telescopic outer tube 16, one end of the inner wall of the third telescopic outer tube 16 is fixedly connected with one end of a third spring 19, the other end of the third spring 19 is fixedly connected with one end of a third telescopic inner rod 17, the third telescopic inner rod 17 can be pushed to extend out of the third telescopic outer tube 16 by thrust released by the third spring 19 to drive a limiting block 18 to reset, the inner wall of the other end of the third telescopic outer tube 16 is sleeved with the outer surface of one end of the third telescopic inner rod 17, the other end of the third telescopic inner rod 17 is fixedly connected with one end of the limiting block 18, the outer surface of one end of the limiting block 18 is obliquely arranged, the oblique outer surface of one end of the limiting block 18 is slidably connected with one end of the inner wall of the limiting hook 21, the other end of the limiting hook 21 is fixedly connected with one end of the inner wall of the connecting frame 2, the limiting block 18 moves upwards, and the oblique surface of one end of the limiting hook 21 is contacted with one end of the limiting hook 21 so that the limiting block 18 can push the third telescopic inner rod 17 to withdraw into the third telescopic outer tube 16.
One side of the outer surface of the middle part of the first telescopic outer tube 8 is fixedly connected with one side of the push plate 20 through a fixing rod, and the bottom of the push plate 20 is connected with the outer surface of one end of the limiting block 18 in a sliding manner.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
When the lifting hook is used, an article lifting lug to be lifted is arranged in the middle of the hook 5, the hydraulic rod 7 works to push the first telescopic outer tube 8 to move downwards, so that the first telescopic inner rod 9 pushes the rack 10 to move downwards, the rack 10 drives the hook 5 to rotate clockwise through the semi-toothed ring 6, when one end of the rack 10, far away from the first telescopic inner rod 9, is in contact with the bottom of the inner wall of the connecting frame 2, the opening of the hook 5 rotates upwards, the first telescopic outer tube 8 is driven to continue to move downwards through continuous work of the hydraulic rod 7, the push plate 20 is driven to move downwards to be in contact with the inclined surface at one end of the limit block 18, the push plate 20 continues to move downwards to push the limit block 18 to move towards the third telescopic outer tube 16, after the limit block 18 is separated from contact with the limit hook 21, the second spring 15 releases inner rod thrust, the second telescopic outer tube 13 is driven to move downwards to drive the block 14 to move downwards, and the block 14 is driven to move to the opening of the hook 5 to seal the hook 5, after the object is lifted, the hydraulic rod 7 drives the first telescopic rod 8 to move upwards, the push rod arranged on one side of the outer surface of the middle part of the first telescopic outer tube 8 moves upwards and pushes the pull rod on one side of the outer surface of the middle part of the second telescopic inner rod 13 to move upwards, so that the second telescopic inner rod 13 is retracted into the second telescopic outer tube 12, the stop block 14 is driven to move upwards to leave the opening of the hook 5, the stop block 18 is driven to move upwards by the upward movement of the second telescopic inner rod 13, the stop block 18 is contacted with the bottom of the stop hook 21 in the upward movement process, so that the stop block 18 pushes the third telescopic inner rod 17 to be retracted into the third telescopic outer tube 16, when the height of the stop block 18 rises to the position above one end of the inner wall of the stop hook 21, the third spring 19 releases the thrust to push the stop block 18 to reset, and the hydraulic rod 7 starts to drive the rack 10 to move upwards after continuously working, the rack 10 drives the hook 5 to rotate anticlockwise through the semi-toothed ring 6, so that the hook 5 is reset.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A safe lifting device of a crane comprises a lifting rope (1), and is characterized in that: one end of the lifting rope (1) is fixedly connected with the top of the connecting frame (2), one end of the inner wall of the connecting frame (2) is fixedly connected with one end of the sliding block (3) through a fixed rod, the outer surface of the other end of the sliding block (3) is connected with the inner wall of the middle part of the sliding groove (4) in a sliding mode, and one side of the sliding groove (4) is fixedly connected with one side of the hook (5);
one end of the inner wall of the connecting frame (2) is fixedly connected with one end of a hydraulic rod (7), the other end of the hydraulic rod (7) is fixedly connected with one end of a first telescopic outer tube (8), and the inner wall of the other end of the first telescopic outer tube (8) is sleeved with the outer surface of one end of a first telescopic inner rod (9);
one end of the inner wall of the connecting frame (2) is fixedly connected with one end of a second telescopic outer tube (12), the inner wall of the other end of the second telescopic outer tube (12) is sleeved with the outer surface of one end of a second telescopic inner rod (13), and the other end of the second telescopic inner rod (13) is fixedly connected with one side of a stop block (14);
one side of the outer surface of the middle part of the second telescopic inner rod (13) is fixedly connected with one end of a third telescopic outer tube (16), the inner wall of the other end of the third telescopic outer tube (16) is sleeved with the outer surface of one end of a third telescopic inner rod (17), and the other end of the third telescopic inner rod (17) is fixedly connected with one end of a limiting block (18);
one side of the outer surface of the middle part of the first telescopic outer pipe (8) is fixedly connected with one side of a push plate (20) through a fixed rod, and the bottom of the push plate (20) is connected with the outer surface of one end of a limiting block (18) in a sliding mode.
2. A safety lifting device of a crane according to claim 1, characterized in that: the outer circumferential surface of the hook (5) is fixedly connected with the inner wall of the middle of the half-gear ring (6), teeth on the outer circumferential surface of the half-gear ring (6) are meshed with teeth on one side of the rack (10), and one end of the rack (10) is fixedly connected with one end of the first telescopic inner rod (9).
3. A safety lifting device of a crane according to claim 1, characterized in that: one end of the first telescopic inner rod (9) is fixedly connected with one end of a first spring (11), and the other end of the first spring (11) is fixedly connected with one end of the inner wall of the first telescopic outer tube (8).
4. A safety lifting device of a crane according to claim 1, characterized in that: one end of the inner wall of the second telescopic outer pipe (12) is fixedly connected with one end of a second spring (15), and the other end of the second spring (15) is fixedly connected with one end of a second telescopic inner rod (13).
5. A safety lifting device of a crane according to claim 1, characterized in that: one end of the inner wall of the third telescopic outer pipe (16) is fixedly connected with one end of a third spring (19), and the other end of the third spring (19) is fixedly connected with one end of a third telescopic inner rod (17).
6. A safety lifting device for a crane according to claim 1, wherein: the outer surface of one end of the limiting block (18) is obliquely arranged, the inclined outer surface of one end of the limiting block (18) is connected with one end of the limiting hook (21) in a sliding mode, the bottom of the limiting block (18) is connected with one end of the inner wall of the limiting hook (21) in a sliding mode, and the other end of the limiting hook (21) is fixedly connected with one end of the inner wall of the connecting frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222871279.3U CN218879179U (en) | 2022-10-28 | 2022-10-28 | Safety lifting device of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222871279.3U CN218879179U (en) | 2022-10-28 | 2022-10-28 | Safety lifting device of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218879179U true CN218879179U (en) | 2023-04-18 |
Family
ID=85941347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222871279.3U Active CN218879179U (en) | 2022-10-28 | 2022-10-28 | Safety lifting device of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218879179U (en) |
-
2022
- 2022-10-28 CN CN202222871279.3U patent/CN218879179U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205257788U (en) | Full -automatic intelligent grabbing device | |
| CN107813415B (en) | Longitudinal cutting method for concrete aerated brick | |
| CN218879179U (en) | Safety lifting device of crane | |
| CN111846990A (en) | Horizontal automatic betel nut unloading equipment | |
| CN107671995B (en) | Concrete aerated brick rip cutting device | |
| CN210710555U (en) | Single-column lifting machine with side turning function | |
| CN210103368U (en) | Lifting device for mechanical production | |
| CN112173945B (en) | Hook for electric hoist | |
| CN209159312U (en) | Automatic hook and unhook device with self-weight hook | |
| CN215101481U (en) | Barrel grabbing device with ratchet mechanism | |
| CN204569155U (en) | Silicon carbide whisker cylinder Special grabbing device for hoisting | |
| CN210321189U (en) | High-temperature sintering box for gasket production | |
| CN212933744U (en) | Hearth overhauls lift platform slope alarm device | |
| CN212739861U (en) | Horizontal automatic betel nut unloading equipment | |
| CN113003398A (en) | Protection device and protection method for metal smelting furnace hoisting equipment | |
| CN211733586U (en) | Lever type internal stay lifting appliance | |
| CN203333145U (en) | Self-separation type special lifting tool for cylinder-shaped proximate matter | |
| CN208361706U (en) | Automatic unhooking device | |
| CN112757968A (en) | Lifting type mobile contact net supporting device, mobile contact net and operation method | |
| CN214003889U (en) | Natural gas line filters cauldron kettle cover dismounting device | |
| CN215854757U (en) | Hoisting accessory that assembled concrete member used | |
| CN220999149U (en) | Safety cage for diversion pressure regulating well consolidation grouting | |
| CN218084322U (en) | Industrial solid waste packing device | |
| CN215365599U (en) | Coking tamping emergency stop protection device | |
| CN214167098U (en) | Special chain rigging of hoist |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230706 Address after: Dama Village, Haifeng Street, Wudi County, Binzhou, Shandong Province, 256600 (east of Jicheng Highway) Patentee after: Wudi County Kunjian Construction Labor Subcontracting Co.,Ltd. Address before: No. 192, Huadi Avenue North, Liwan District, Guangzhou, Guangdong 510000 Patentee before: Hu Lang |
|
| TR01 | Transfer of patent right |