CN220564120U - Damping lifting loop chain lifting hook - Google Patents

Abstract

The utility model discloses a damping lifting loop chain lifting hook which comprises a first connecting plate, a partition plate and a damping cylinder body, wherein the partition plate is arranged in the middle of the inner wall of the damping cylinder body, the first connecting plate is arranged at the top of the partition plate, and a plurality of first damping hydraulic cylinders are arranged at the outer side of the top of the first connecting plate. According to the utility model, through the arrangement of the first connecting plate, the first damping hydraulic cylinder, the first damping spring, the fixing rod, the first limiting plate, the supporting rod and the first damping spring, the force can be prevented from directly acting on the damping cylinder body during lifting, the service life of the damping cylinder body is further prolonged, the first limiting hole can play a limiting role, the condition that the first connecting plate and the first limiting plate in the damping cylinder body rotate is avoided, and the force can be prevented from directly acting on the hook through the arrangement of the second connecting plate, the second damping hydraulic cylinder, the second damping spring and the second limiting plate, so that the service life of the hook can be prolonged.

Description

Damping lifting loop chain lifting hook

Technical Field

The utility model relates to the technical field of lifting hook equipment, in particular to a damping lifting loop chain lifting hook.

Background

The lifting hook is the most common lifting appliance in hoisting machinery, the lifting hook is hung on a steel wire rope of a lifting mechanism by means of pulley blocks and other parts, the single hook is simple to manufacture and convenient to use, but the stress condition is poor, the lifting hook is mostly used in working occasions with the lifting weight of less than 80 tons, the lifting weight is mostly double hooks with symmetrical stress, the laminated lifting hook is formed by riveting a plurality of cut steel plates, the lifting hook is always impacted in the working process, and the lifting hook is required to be manufactured by adopting high-quality carbon steel with good toughness.

Patent document CN204689378U discloses a shock attenuation lifting hook, which comprises a pulley, the pulley have the connecting axle through bearing connection, the outer wall of connecting axle on cup joint with pulley matched with pulley cover, the lower part of pulley cover have shock attenuation framework through bolted connection, the junction of shock attenuation framework and pulley cover be provided with the rubber damping pad, the lower part of shock attenuation framework is connected with the lifting hook, the outer wall on lifting hook upper portion on cup joint spring cover plate, the downside of spring cover plate be connected with the spring, the spring cup joint on the outer wall of lifting hook, the lower part of spring be connected with spring matched with spring holder, the spring holder cup joint on the outer wall of lifting hook, the spring holder passes through the screw and is connected with shock attenuation framework, simple structure, low in operation cost, excellent in use effect, simple to operate, extensive, function comprehensive advantage.

The shock attenuation lifting hook of above-mentioned publication mainly considers how to make the spring holder cup joint on the outer wall of lifting hook, and the spring holder passes through the screw to be connected with the shock attenuation framework, simple structure, running cost is low, excellent in use effect, simple to operate, extensive use, comprehensive function's advantage, current shock attenuation lifting hook of lifting loop chain in the use, need guarantee its shock attenuation buffering effect to prevent that the shock attenuation barrel from directly receiving the force of vertical direction, lead to the technical problem that the life of shock attenuation barrel reduces easily.

In view of this, it is necessary to develop a shock absorbing load-lifting loop chain hook, which in turn can improve the practicality of the shock absorbing load-lifting loop chain hook in use.

Disclosure of Invention

The utility model aims to provide a damping hoisting loop chain lifting hook, which aims to solve the technical problem that the service life of a damping cylinder is easy to be reduced because the damping cylinder is prevented from being directly subjected to force in the vertical direction in the prior art.

In order to achieve the above purpose, the utility model provides a technical scheme that the damping hoisting loop chain lifting hook comprises a first connecting plate, a partition plate and a damping cylinder, wherein the partition plate is arranged in the middle of the inner wall of the damping cylinder, and the first connecting plate is arranged at the top of the partition plate;

a plurality of first damping hydraulic cylinders are arranged on the outer side of the top of the first connecting plate, first damping springs are arranged on the outer wall of each first damping hydraulic cylinder, and first limiting plates are arranged on the tops of the first damping hydraulic cylinders and the first damping springs;

the middle part at first limiting plate top has seted up first through-hole, the dead lever is installed to the inner wall of first through-hole, a plurality of bracing piece is installed in the outside at first limiting plate top, first buffer spring is installed to the bottom of bracing piece outer wall, and the outside of roof in the shock attenuation barrel is installed at first buffer spring's top.

Preferably, the bottom of division board is installed the second connecting plate, and a plurality of second shock attenuation pneumatic cylinder is installed in the outside of second connecting plate bottom, and second damping spring is installed to the outer wall of second shock attenuation pneumatic cylinder, and the second limiting plate is installed with the bottom of second damping spring to second shock attenuation pneumatic cylinder.

Preferably, the outside at shock attenuation barrel top runs through and installs a plurality of first limiting hole, and the inner wall in first limiting hole installs in the top of bracing piece outer wall, and the middle part at shock attenuation barrel top runs through and installs the second limiting hole, and the inner wall in second limiting hole installs in the outer wall of dead lever.

Preferably, the outer wall of the fixing rod is provided with a second buffer spring, one end of the second buffer spring is arranged in the middle of the inner top wall of the shock absorption cylinder body, and the top of the fixing rod is provided with a loop chain body through a replacement drag hook.

Preferably, a second through hole is formed in the middle of the bottom of the second limiting plate, a connecting rod is mounted on the inner wall of the second through hole, and a hook is mounted at the bottom of the connecting rod.

Preferably, the inner bottom wall of the damping cylinder is provided with a limiting ring, a plurality of fixing holes are formed in the top of the limiting ring, fixing blocks are mounted on the tops of the inner walls of the fixing holes, and the fixing blocks are mounted on the outer walls of the second limiting plates.

Preferably, the outer wall of the connecting rod is provided with a third buffer spring, the bottom of the third buffer spring is arranged on the inner bottom wall of the shock absorption cylinder body, the outer wall of the connecting rod is provided with a third limiting hole, and the outer wall of the third limiting hole is arranged in the middle of the bottom of the shock absorption cylinder body in a penetrating mode.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the first connecting plate, the first damping hydraulic cylinder, the first damping spring, the fixing rod, the first limiting plate, the supporting rod and the first damping spring, the force can be prevented from directly acting on the damping cylinder body during lifting, the service life of the damping cylinder body is further prolonged, the first limiting hole can play a limiting role, the condition that the first connecting plate and the first limiting plate in the damping cylinder body rotate is avoided, and the force can be prevented from directly acting on the hook through the arrangement of the second connecting plate, the second damping hydraulic cylinder, the second damping spring and the second limiting plate, so that the service life of the hook can be prolonged.

2. According to the utility model, through the arrangement of the third buffer spring, when the goods are not lifted, the third buffer spring can jack up the second limiting plate, so that the fixed block is separated from the inside of the fixed hole, and then the hook, the connecting rod, the second connecting plate and the second limiting plate can be driven to rotate, so that the use flexibility of the hook is improved, after the goods are lifted, the weight of the goods can drive the hook, the connecting rod, the second connecting plate and the second limiting plate to descend, and then the fixed block can be inserted into the inside of the fixed hole, and then the hook can not rotate any more, so that the stability of the hook in use can be improved.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of a second limiting plate structure according to the present utility model;

fig. 4 is a schematic view of a first limiting plate structure according to the present utility model.

In the figure: 1. a first connection plate; 2. a partition plate; 3. a damping cylinder; 101. a first damping hydraulic cylinder; 102. a first damper spring; 103. a first limiting plate; 104. a first through hole; 105. a fixed rod; 106. a support rod; 107. a first buffer spring; 201. a second connecting plate; 202. a second damping hydraulic cylinder; 203. a second damper spring; 204. a second limiting plate; 301. a first limiting hole; 302. a second limiting hole; 401. a second buffer spring; 402. a endless chain body; 501. a second through hole; 502. a connecting rod; 503. a hook; 601. limiting the circular ring; 602. a fixing hole; 603. a fixed block; 701. a third buffer spring; 702. and a third limitation.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, in one embodiment of the present utility model, a damping hoisting loop chain hook includes a first connecting plate 1, a partition plate 2 and a damping cylinder 3, wherein the partition plate 2 is installed in the middle of the inner wall of the damping cylinder 3, and the first connecting plate 1 is installed on the top of the partition plate 2;

referring to fig. 1, 2 and 4, a plurality of first shock absorbing hydraulic cylinders 101 are installed at the outer side of the top of a first connecting plate 1, a first shock absorbing spring 102 is installed at the outer wall of the first shock absorbing hydraulic cylinders 101, a first limiting plate 103 is installed at the tops of the first shock absorbing hydraulic cylinders 101 and the first shock absorbing springs 102, a first through hole 104 is formed in the middle of the top of the first limiting plate 103, a fixing rod 105 is installed at the inner wall of the first through hole 104, a plurality of supporting rods 106 are installed at the outer side of the top of the first limiting plate 103, a first shock absorbing spring 107 is installed at the bottom of the outer wall of the supporting rods 106, the top of the first shock absorbing spring 107 is installed at the outer side of the inner top wall of a shock absorbing cylinder 3, a second connecting plate 201 is installed at the bottom of a partition plate 2, a plurality of second shock absorbing hydraulic cylinders 202 are installed at the outer side of the bottom of the second connecting plate 201, a second shock absorbing spring 203 is installed at the outer wall of the second shock absorbing hydraulic cylinders 202, the second limiting plate 204 is arranged at the bottoms of the second damping hydraulic cylinder 202 and the second damping spring 203, a plurality of first limiting holes 301 are arranged on the outer side of the top of the damping cylinder body 3 in a penetrating manner, the inner wall of each first limiting hole 301 is arranged at the top of the outer wall of the supporting rod 106, a second limiting hole 302 is arranged on the middle part of the top of the damping cylinder body 3 in a penetrating manner, the inner wall of each second limiting hole 302 is arranged on the outer wall of the fixing rod 105, the second damping spring 401 is arranged on the outer wall of the fixing rod 105, one end of the second damping spring 401 is arranged in the middle part of the inner top wall of the damping cylinder body 3, the top of the fixing rod 105 is provided with a loop chain body 402 through a replacement drag hook, and the force can be prevented from directly acting on the damping cylinder body 3 during lifting through the first connecting plate 1, the first damping hydraulic cylinder 101, the first damping spring 102, the fixing rod 105, the first limiting plate 103, the supporting rod 106 and the first damping spring 107, further, the service life of the shock absorption cylinder body 3 is prolonged, the first limiting hole 301 can play a limiting role, the situation that the first connecting plate 1 and the first limiting plate 103 in the shock absorption cylinder body 3 rotate is avoided, and force can be prevented from directly acting on the hook 503 through the arrangement of the second connecting plate 201, the second shock absorption hydraulic cylinder 202, the second shock absorption spring 203 and the second limiting plate 204, so that the service life of the hook 503 can be prolonged;

referring to fig. 1, fig. 2 and fig. 3, the second through hole 501 is opened in the middle part of second limiting plate 204 bottom, connecting rod 502 is installed to the inner wall of second through hole 501, couple 503 is installed to the bottom of connecting rod 502, the interior bottom wall of shock attenuation barrel 3 is provided with restriction ring 601, a plurality of fixed orifices 602 have been seted up at the top of restriction ring 601, fixed block 603 is installed at the top of fixed orifices 602 inner wall, and fixed block 603 installs in the outer wall of second limiting plate 204, third buffer spring 701 is installed to the outer wall of connecting rod 502, and the bottom of third buffer spring 701 is installed in the interior diapire of shock attenuation barrel 3, the outer wall of connecting rod 502 installs third limiting hole 702, the outer wall of third limiting hole 702 runs through the middle part of installing in shock attenuation barrel 3 bottom, through the setting of third buffer spring 701, when not having lifted by crane the goods, third buffer spring 701 can jack up second limiting plate 204, make fixed block 603 break away from the inside of fixed hole 602, at this moment can drive couple 503, connecting rod 502, second connecting plate 201 and second limiting plate 204 rotate, be favorable to improving the use of couple 503, the flexibility can drive couple 503, can rotate the second connecting plate 503, can rotate the couple 503 after the second limiting plate 503, can rotate the load, and can be fixed in the couple 503, and can be fixed by further, the stability can be fixed when the couple is improved.

The working principle is that through the first connecting plate 1, the first damping hydraulic cylinder 101, the first damping spring 102, the dead lever 105, the first limiting plate 103, bracing piece 106 and the setting of first buffer spring 107, can avoid the direct action of power on shock attenuation barrel 3 when lifting by crane, and then improve shock attenuation barrel 3's life, first limiting hole 301 can play the effect of restriction, avoid first connecting plate 1 in the shock attenuation barrel 3 and first limiting plate 103 to appear the pivoted condition, through the setting of second connecting plate 201, the second damping hydraulic cylinder 202, second damping spring 203 and second limiting plate 204, can avoid the direct action of power on couple 503, and then can improve couple 503's life, through the setting of third buffer spring 701, when not lifting by crane the goods, third buffer spring 701 can jack up second limiting plate 204, make fixed block 603 break away from the inside of fixed orifices 602, at this moment can drive couple 503, connecting rod 502, second connecting plate 201 and second limiting plate 204 rotate, be favorable to improving the use flexibility of couple 503, after lifting by crane weight, can drive couple 503, can drive the connecting rod 502, the second limiting plate 201 and then can be fixed by the couple 503, can be fixed by the moment, can improve the stability when the couple 503 is convenient, can be fixed by inserting the couple 503, and then can be fixed by the couple 602.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a shock attenuation jack-up chain lifting hook, includes first connecting plate (1), division board (2) and shock attenuation barrel (3), its characterized in that: a partition plate (2) is arranged in the middle of the inner wall of the shock absorption cylinder body (3), and a first connecting plate (1) is arranged at the top of the partition plate (2);

a plurality of first damping hydraulic cylinders (101) are arranged on the outer side of the top of the first connecting plate (1), first damping springs (102) are arranged on the outer wall of each first damping hydraulic cylinder (101), and first limiting plates (103) are arranged on the tops of each first damping hydraulic cylinder (101) and each first damping spring (102);

the middle part at first limiting plate (103) top has seted up first through-hole (104), dead lever (105) are installed to the inner wall at first through-hole (104), a plurality of bracing piece (106) are installed in the outside at first limiting plate (103) top, first buffer spring (107) are installed to the bottom of bracing piece (106) outer wall, and the outside of roof in shock attenuation barrel (3) is installed at the top of first buffer spring (107).

2. A shock absorbing load-ring chain hook as claimed in claim 1, wherein: the bottom of division board (2) is installed second connecting plate (201), and a plurality of second shock attenuation pneumatic cylinder (202) are installed in the outside of second connecting plate (201) bottom, and second damping spring (203) are installed to the outer wall of second shock attenuation pneumatic cylinder (202), and second limiting plate (204) are installed with the bottom of second damping spring (203) in second shock attenuation pneumatic cylinder (202).

3. A shock absorbing load-ring chain hook as claimed in claim 1, wherein: the outside at shock attenuation barrel (3) top is run through and is installed a plurality of first limiting hole (301), and the inner wall of first limiting hole (301) is installed in the top of bracing piece (106) outer wall, and the middle part at shock attenuation barrel (3) top is run through and is installed second limiting hole (302), and the inner wall of second limiting hole (302) is installed in the outer wall of dead lever (105).

4. A shock absorbing load-ring chain hook as claimed in claim 1, wherein: the outer wall of dead lever (105) is installed second buffer spring (401), and the middle part of roof in shock attenuation barrel (3) is installed to one end of second buffer spring (401), and endless chain body (402) are installed through trading dress drag hook in the top of dead lever (105).

5. A shock absorbing load-ring chain hook as claimed in claim 2, wherein: the middle part of second limiting plate (204) bottom has seted up second through-hole (501), and connecting rod (502) are installed to the inner wall of second through-hole (501), and couple (503) are installed to the bottom of connecting rod (502).

6. A shock absorbing load-ring chain hook as claimed in claim 1, wherein: the inner bottom wall of the shock absorption cylinder body (3) is provided with a limiting ring (601), a plurality of fixing holes (602) are formed in the top of the limiting ring (601), fixing blocks (603) are mounted on the top of the inner walls of the fixing holes (602), and the fixing blocks (603) are mounted on the outer walls of the second limiting plates (204).

7. A shock absorbing load-ring chain hook as set forth in claim 5 wherein: the outer wall of connecting rod (502) is installed third buffer spring (701), and the bottom of third buffer spring (701) is installed in the interior diapire of shock attenuation barrel (3), and third limiting hole (702) are installed to the outer wall of connecting rod (502), and the outer wall of third limiting hole (702) runs through the middle part of installing in shock attenuation barrel (3) bottom.