CN215626144U - Rotatable lifting sling - Google Patents

Abstract

The utility model discloses a rotatable lifting sling, which relates to the technical field of mechanical slings and comprises a sling body, wherein the sling body comprises a hanging ring, two ends of the hanging ring are fixedly connected with connecting discs, the top of each connecting disc is provided with a rotating assembly I, the bottom of each connecting disc is rotatably connected with a connecting rod, a rotating assembly II is arranged between each connecting rod and each connecting disc, one end of each connecting rod is rotatably connected with a separating disc, the bottom of each separating disc is provided with a hanging disc, and a pressure reducing assembly is arranged between each hanging disc and each separating disc. The effect of carrying out the decompression buffering to the hoist cable through atmospheric pressure telescopic link, pressure reducing spring and the atress spring among the decompression subassembly reduces the hoist cable and carries the huge pressure difference that the thing produced to rotary device junction part when using, produces pressure wear when avoiding rotary device to use, ensures hoist cable and rotary device's integrity and stability, improves the safe in utilization of hoist cable, prolongs the life of hoist cable, reduces the waste of resource.

Description

Rotatable lifting sling

Technical Field

The utility model relates to the technical field of mechanical slings, in particular to a rotatable hoisting rigging.

Background

The connecting piece between the crane or the main body of the crane and the object to be lifted is also a general term covering slings and slings, and the sling mainly comprises two categories of metal sling and synthetic fiber sling. The metal suspension cable mainly comprises: steel wire rope slings, chain slings, shackle slings, hook slings, hanging (clamping) tongs, magnetic slings, etc. The synthetic fiber sling mainly comprises: the rope and belt sling is produced with nylon, polypropylene, dacron and high strength and high modulus polyethylene fiber.

The existing hoisting cable tool is designed to be rotatable for convenient use and can adapt to various environments, but the rotary connection part of the rotatable hoisting cable tool needs to bear great bearing capacity when in work, the rotary connection part is easily abraded and even broken after long-time use, and the service life of the hoisting cable tool is shortened.

SUMMERY OF THE UTILITY MODEL

The present invention provides a rotatable hoisting cable, so as to solve the problem of the prior art that the bearing force of the rotatable hoisting cable is too large and the rotatable hoisting cable is easily damaged.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a rotatable lifting sling, includes the rigging body, the rigging body includes the link, the both ends fixedly connected with connection pad of link, the top of connection pad is equipped with rotating assembly one, the bottom of connection pad is rotated and is connected with the connecting rod, be equipped with rotating assembly two between connecting rod and the connection pad, the one end of connecting rod is rotated and is connected with the separation disc, the bottom of separation disc is equipped with the hanging scaffold, be equipped with pressure reducing assembly between hanging scaffold and the separation disc, the bottom of hanging scaffold is equipped with the couple subassembly.

Preferably, in the above rotatable lifting rigging, the first rotating assembly includes a bottom groove formed at the top of the connecting pad, an inner wall of the bottom groove is a sphere, and an outer surface of the sphere is fixedly connected to one end of the connecting rod.

Based on the technical characteristics, the rotating assembly is utilized to rotate for 360 degrees without dead angles when the sling is used, so that the sling is convenient for workers to use, and the practicability and efficiency of the sling are improved.

Preferably, in the above rotatable hoisting rigging, the second rotating assembly includes a circular groove formed at the bottom of the connecting disc, the circular groove is communicated with the bottom groove, an outer ring is fixedly connected to an inner wall of the circular groove, an inner ring is disposed on an inner wall of the outer ring, an inner wall of the inner ring is fixedly connected to the connecting rod, and a plurality of balls are connected between the outer ring and the inner ring in a rolling manner.

Based on the technical characteristics, the rotating device of the two pairs of slings of the rotating assembly is utilized to strengthen, the rotation of the slings is more stable and safe, and the strength of the rotating device is increased.

Preferably, among the above-mentioned rotatable jack-up sling, the pressure reduction subassembly includes separating disc bottom fixed connection's pneumatic telescoping rod, pneumatic telescoping rod's one end and hanging disc fixed connection, fixedly connected with relief spring between separating disc and the hanging disc, the spout has been seted up at the top of hanging disc, the inner wall sliding connection of spout has the slider, fixedly connected with atress spring between slider and the spout, the top of slider is rotated and is connected with the driving plate, the one end of driving plate is rotated with the bottom of separating disc and is connected.

Based on above-mentioned technical characteristics, utilize the part of swivelling joint department to carry out the decompression buffering in the hoist cable, reduce the pressure that swivelling joint department part bore, avoid swivelling joint department part to receive the high pressure for a long time and produce big wearing and tearing, the integrity of guarantee swivelling joint department part, the live time of extension hoist cable.

Preferably, in the rotatable lifting sling, a guide rod is fixedly connected to an inner wall of the sliding groove, and an outer surface of the guide rod is slidably connected to the sliding block.

Based on above-mentioned technical characteristics, the guide arm plays the spacing effect of guide, and the operation that the slider can be better in the convenient pressure reduction subassembly is used, and the slider drops from the inner wall of spout when avoiding the driving plate transmission, and better messenger's atress spring decompresses.

Preferably, in the above rotatable lifting rigging, the hook assembly includes a hook body fixedly connected to the bottom of the platform, and a chain is hooked to an outer surface of the hook body.

Based on above-mentioned technical characteristics, the couple subassembly is convenient to carry out the hookup removal to the freight, utilizes two chains can be better carry out the balance to the freight, avoids the hoist cable to take place to turn on one's side in the use and causes the incident.

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

this rotatable lifting sling, through the atmospheric pressure telescopic link in the decompression subassembly, decompression spring and atress spring carry out the effect of decompression buffering to the hoist cable, reduce the hoist cable and carry the huge pressure difference that thing pair rotating device junction part produced when using, produce pressure wear when avoiding rotating device to use, guarantee hoist cable and rotating device's integrity and stability, improve the safety in utilization of hoist cable, prolong the life of hoist cable, reduce the waste of resource.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

fig. 4 is an enlarged view of part B of the present invention.

In the figure:

1. a rigging body; 101. hanging a ring; 102. a connecting disc; 103. a connecting rod; 104. a separation disc; 105. a hanging scaffold; 2. a first rotating component; 201. a bottom groove; 202. a sphere; 3. a second rotating component; 301. a circular groove; 302. an outer ring; 303. an inner ring; 304. a ball bearing; 4. a pressure relief assembly; 401. an air pressure telescopic rod; 402. a relief spring; 403. a chute; 404. a slider; 405. a drive plate; 406. a stressed spring; 407. a guide bar; 5. a hook assembly; 501. a hook body; 502. and a chain.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1-4, an embodiment of the present invention is shown: a rotatable hoisting rigging comprises a rigging body 1, wherein the rigging body 1 comprises a hanging ring 101, and the hanging ring 101 facilitates the connection of the rigging and a crane. Two ends of the hanging ring 101 are fixedly connected with connecting discs 102, and the connecting discs 102 are convenient for placing the rotating device and facilitating the rotating use of the rigging. The bottom of the connecting plate 102 is rotatably connected with a connecting rod 103, and the connecting rod 103 is convenient for connecting the separating plate 104. The one end of connecting rod 103 is rotated and is connected with separation disc 104, and separation disc 104 conveniently connects the use to pressure reducing component 4, is convenient for be connected rotary device and pressure reducing component 4. The bottom of the separating tray 104 is provided with a hanging tray 105, and the hanging tray 105 is convenient for placing and fixing the hook component 5.

Please refer to fig. 1 in the drawings of the specification: rotating assembly 2 is including offering the kerve 201 at connection pad 102 top, and kerve 201 is convenient for place spheroid 202, is convenient for carry on spacingly to spheroid 202 simultaneously, avoids spheroid 202 to drop. The inner wall sphere 202 of the bottom groove 201 forms a rotation mode for the rigging by utilizing the structure of the sphere 202, and the rotation performance of the rigging is improved.

Please refer to fig. 3 in the drawings of the specification: the second rotating assembly 3 comprises a circular groove 301 formed in the bottom of the connecting disc 102, and the circular groove 301 facilitates placement of all parts in the second rotating assembly 3. The inner wall of the circular groove 301 is fixedly connected with an outer ring 302, the inner wall of the outer ring 302 is provided with an inner ring 303, and the outer ring 302 and the inner ring 303 form a rotating mode, so that the rotating capacity of the rotating device is further enhanced. The inner wall and the connecting rod 103 fixed connection of inner ring 303, roll connection has a plurality of ball 304 between outer ring 302 and the inner ring 303, and ball 304 can make inner ring 303 and outer ring 302 change rolling friction into, reduces rotary device's frictional force, makes things convenient for rotary device rotatory change more.

Please refer to fig. 4 in the drawings of the specification: decompression subassembly 4 includes separating disc 104 bottom fixed connection's pneumatic telescoping rod 401, and pneumatic telescoping rod 401 conveniently decompresses the bearing capacity that the cargo produced, reduces the pulling force that rotary device bore. A pressure reducing spring 402 is fixedly connected between the separating disc 104 and the hanging disc 105, and the pressure reducing spring 402 further reduces the pressure of the rotating parts in the rotating device, so that the integrity of the parts at the rotating connection position is guaranteed. The top of the hanging scaffold 105 is provided with a sliding chute 403, and the sliding chute 403 is convenient for placing the sliding block 404. The inner wall of the sliding groove 403 is connected with a sliding block 404 in a sliding manner, and the sliding block 404 is convenient for extruding and moving the stressed spring 406, so that the bearing capacity of the rigging is improved.

Please refer to fig. 2 in the drawings of the specification: the hook component 5 comprises a hook body 501 fixedly connected to the bottom of the hanging scaffold 105, and the hook body 501 is convenient for hooking the chain 502 and is convenient for installing and disassembling the chain 502.

The working principle is as follows: when the rigging is used, the chain 502 is used for hanging the carrying object, the carrying object generates downward pulling force on the chain 502, the chain 502 drives the hook body 501 to move, the hook body 501 drives the hanging plate 105 to move, the hanging plate 105 drives the decompression spring 402 and the pneumatic telescopic rod 401 to move, the generated pulling force is reduced by the decompression spring 402 and the pneumatic telescopic rod 401, meanwhile, the downward movement of the hanging plate 105 can cause the separation plate 104 to move upwards relatively, the separation plate 104 drives the driving plate 405 to move upwards, the driving plate 405 drives the sliding block 404 to move, the sliding block 404 drives the stressed spring 406 to stretch, the pulling force generated by the carrying object is further reduced by the elastic force of the stressed spring 406, and the pulling force applied to the first rotating assembly 2 and the second rotating assembly 3 in use is reduced.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (6)

1. A rotatable hoist rigging comprising a rigging body (1), characterized in that: the rigging body (1) comprises a hanging ring (101), the both ends fixedly connected with connection pad (102) of hanging ring (101), the top of connection pad (102) is equipped with rotating assembly one (2), the bottom of connection pad (102) is rotated and is connected with connecting rod (103), be equipped with rotating assembly two (3) between connecting rod (103) and connection pad (102), the one end of connecting rod (103) is rotated and is connected with separating disc (104), the bottom of separating disc (104) is equipped with hanging scaffold (105), be equipped with pressure reducing component (4) between hanging scaffold (105) and separating disc (104), the bottom of hanging scaffold (105) is equipped with couple subassembly (5).

2. A rotatable hoist cable as claimed in claim 1, wherein: the first rotating assembly (2) comprises a bottom groove (201) formed in the top of the connecting disc (102), an inner wall ball body (202) of the bottom groove (201), and the outer surface of the ball body (202) is fixedly connected with one end of the connecting rod (103).

3. A rotatable hoist cable as claimed in claim 1, wherein: the second rotating assembly (3) comprises a circular groove (301) formed in the bottom of the connecting disc (102), the circular groove (301) is communicated with the bottom groove (201), an outer ring (302) is fixedly connected to the inner wall of the circular groove (301), an inner ring (303) is arranged on the inner wall of the outer ring (302), the inner wall of the inner ring (303) is fixedly connected with the connecting rod (103), and a plurality of balls (304) are connected between the outer ring (302) and the inner ring (303) in a rolling mode.

4. A rotatable hoist cable as claimed in claim 1, wherein: decompression subassembly (4) include separating disc (104) bottom fixed connection's pneumatic telescoping rod (401), the one end and platform sling (105) fixed connection of pneumatic telescoping rod (401), fixedly connected with relief spring (402) between separating disc (104) and platform sling (105), spout (403) have been seted up at the top of platform sling (105), the inner wall sliding connection of spout (403) has slider (404), fixedly connected with atress spring (406) between slider (404) and spout (403), the top of slider (404) is rotated and is connected with driving plate (405), the one end of driving plate (405) is rotated with the bottom of separating disc (104) and is connected.

5. A rotatable hoist cable as claimed in claim 4, wherein: the inner wall of the sliding chute (403) is fixedly connected with a guide rod (407), and the outer surface of the guide rod (407) is in sliding connection with the sliding block (404).

6. A rotatable hoist cable as claimed in claim 1, wherein: the hook component (5) comprises a hook body (501) fixedly connected to the bottom of the hanging scaffold (105), and a chain (502) is hooked on the outer surface of the hook body (501).

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