CN218786478U

CN218786478U - Overload limiter

Info

Publication number: CN218786478U
Application number: CN202223316056.7U
Authority: CN
Inventors: 李广
Original assignee: Liaoning Jiuzhou Weiye Development Co ltd
Current assignee: Liaoning Jiuzhou Weiye Development Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-04
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses an overload limiter, including wire rope, wire rope installs on the hoist, wire rope's lateral wall is provided with overload limiter, overload limiter's lateral wall fixed assembly has two spinal branch pieces, and two spinal branch piece offices are closely laminated with wire rope, overload limiter's lateral wall fixed assembly has the briquetting, wire rope runs through the briquetting and closely laminates with the inner wall of briquetting, overload limiter's fixed surface is equipped with anti-drop structure, anti-drop structure cup joints at wire rope's outer wall, and when briquetting and a spinal branch piece cooperation are improper, perhaps when damaging, overload limiter because gravity can move down towards this moment, through anti-drop structure's restriction, one side that overload limiter is close to wire rope can swing towards wire rope to natural slope, anti-drop structure can block on wire rope this moment, restricts overload limiter definite time, avoids directly dropping to influence safe in utilization, avoids overload limiter to damage simultaneously.

Description

Overload limiter

Technical Field

The utility model relates to an overload restriction technical field, concrete field is an overload limiter.

Background

The overload limiter consists of sensor, operational amplifier, control executor, load indicator and other parts and has integrated display, control and alarm functions. When the crane lifts an object, the sensor deforms, the load weight is converted into an electric signal, and the numerical value of the load is indicated through operation and amplification. When the load reaches 90% of the rated value, sending out an early warning signal; when the load exceeds the rated load, cutting off the power source of the hoisting mechanism; the mounting means of overload limiter is through setting up two piece from top to bottom and withholding one side of wire rope to through adjustable briquetting with the other side compression of wire rope, guarantee overload limiter joint on wire rope, because operating time is longer, need install on wire rope for a long time, probably unexpected cause overload limiter to break away from wire rope, can not guarantee the security of using, overload limiter damages easily simultaneously, the practicality is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overload limiter to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an overload limiter comprises a steel wire rope, wherein the steel wire rope is installed on a crane, the side wall of the steel wire rope is provided with the overload limiter, the side wall of the overload limiter is fixedly provided with two support blocks, the two support blocks are tightly attached to the steel wire rope, the side wall of the overload limiter is fixedly provided with a pressing block, the steel wire rope penetrates through the pressing block and is tightly attached to the inner wall of the pressing block, the surface of the overload limiter is fixedly provided with an anti-falling structure, and the anti-falling structure is sleeved on the outer wall of the steel wire rope.

Preferably, the anti-drop structure includes a connecting rod, the connecting rod is fixedly assembled on the surface of the overload limiter, the end of the connecting rod is fixedly assembled with a lantern ring, the inner wall of the lantern ring is assembled with a sliding rod in a penetrating manner, the upper end of the sliding rod is uniformly provided with a plurality of screw holes, a screw penetrates through the surface of the lantern ring, the lower end of the screw is in threaded connection with one of the screw holes, the inner side end of the sliding rod is fixedly assembled with a pressing plate, and the steel wire rope is located between the lantern ring and the pressing plate.

Preferably, the overload limiter further comprises a counterweight structure, the counterweight structure is fixedly assembled at the lower end of the overload limiter, and the counterweight structure is arranged on one side close to the steel wire rope.

Preferably, the counterweight structure comprises a support cylinder, the upper end of the support cylinder is connected with the overload limiter, a screw rod is screwed on the inner wall of the support cylinder, and a counterweight block is fixedly assembled at the lower end of the screw rod.

Compared with the prior art, the beneficial effects of the utility model are that: overload limiter passes through the cooperation of piece and briquetting, the joint is installed on wire rope, overload limiter passes through weighing transducer and measures load weight, the real-time actual load that shows of instrument, when load reaches its rated load's setting value, send the acousto-optic warning signal, and can give switching value output, effect through the anti-drop structure, improper with a piece cooperation when the briquetting, perhaps when damaging, overload limiter this moment because gravity can move down, restriction through the anti-drop structure, one side that overload limiter is close to wire rope can be towards the wire rope swing, and the natural inclination, anti-drop structure can block on wire rope this moment, limit overload limiter definite time, avoid directly dropping the influence safety in utilization, avoid overload limiter to damage simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a top view of the anti-falling structure;

fig. 4 is a perspective view of the anti-falling structure.

In the figure: 1-overload limiter, 2-supporting block, 3-pressing block, 4-anti-falling structure, 41-connecting rod, 42-lantern ring, 43-pressing plate, 44-screw, 45-sliding rod, 46-screw hole, 5-counterweight structure, 51-supporting cylinder, 52-screw, 53-counterweight block and 6-steel wire rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Please refer to fig. 1-4, the utility model provides an overload limiter, including wire rope 6, wire rope 6 installs on the hoist, wire rope 6's lateral wall is provided with overload limiter 1, overload limiter 1's lateral wall fixed assembly has two piece 2, two piece 2 local and wire rope 6 closely laminate, overload limiter 1's lateral wall fixed assembly has briquetting 3, wire rope 6 runs through briquetting 3 and closely laminates with the inner wall of briquetting 3, overload limiter 1's fixed surface is equipped with anti-drop structure 4, anti-drop structure 4 cup joints at wire rope 6's outer wall.

Overload limiter 1 passes through the cooperation of piece 2 and briquetting 3, the joint is installed on wire rope 6, overload limiter 1 measures load weight through weighing sensor, the real-time actual load that shows of instrument, when the load reaches the setting value of its rated load, send the audible and visual alarm signal, and can give the switching value output, effect through anti-drop structure 4, improper when briquetting 3 and piece 2 cooperation, or when damaging, overload limiter 1 can move down because gravity this moment, through the restriction of anti-drop structure 4, one side that overload limiter 1 is close to wire rope 6 can swing towards wire rope 6, and can make a round trip the small amplitude swing through inertia, this process overload limiter 1 still can the downstream, and final natural slope, anti-drop structure 4 can block on wire rope this moment, limit overload limiter 1 certain time, avoid directly dropping to influence safety in utilization, avoid overload limiter to damage simultaneously.

The anti-drop structure 4 comprises a connecting rod 41, the connecting rod 41 is fixedly assembled on the surface of the overload limiter 1, the end head of the connecting rod 41 is fixedly assembled with a lantern ring 42, the inner wall of the lantern ring 42 is assembled with a sliding rod 45 in a penetrating manner, the upper end of the sliding rod 45 is uniformly provided with a plurality of screw holes 46, a screw 44 penetrates through the surface of the lantern ring 42, the lower end of the screw 44 is in threaded connection with one of the screw holes 46, the inner side end of the sliding rod 45 is fixedly assembled with a pressing plate 43, and the steel wire rope 6 is located between the lantern ring 42 and the pressing plate 43.

When the pressing block 3 and the supporting block 2 are not properly matched or damaged, at the moment, the overload limiter 1 moves downwards due to gravity, the overload limiter 1 is limited by the anti-falling structure 4, one side, close to the steel wire rope 6, of the overload limiter 1 can swing towards the steel wire rope 6 and naturally inclines, one side of the lantern ring 42 can be connected to the lower side of the steel wire rope 6, the pressing plate 43 can be connected to the upper side of the steel wire rope 6 in a clamped mode and is connected with the steel wire rope 6 after the overload limiter 1 is obliquely arranged, the main body of the overload limiter 1 is effectively limited to be reserved on the steel wire rope 6 for a certain time, and therefore first-aid repair time is provided for workers, the connecting rod 41 is used for connecting the overload limiter 1 and the lantern ring 42, the sliding rod 45 can be adjusted according to different positions of the steel wire rope 6, the pressing plate 43 is driven to move, and after the overload limiter 1 moves to a proper position, the screw 44 penetrates through the lantern ring 42 and is in threaded connection with the corresponding screw hole 46.

Still include counter weight structure 5, counter weight structure 5 fixed assembly in overload limiter 1's lower extreme, and counter weight structure 5 sets up in the one side that is close to wire rope 6.

The counterweight structure 5 can better assist the overload limiter 1 to automatically incline towards the direction of the steel wire rope 6 when being separated from the steel wire rope 6, so that a better limiting effect is provided for the anti-falling structure 4.

The counterweight structure 5 comprises a support tube 51, the upper end of the support tube 51 is connected with the overload limiter 1, a screw rod 52 is screwed on the inner wall of the support tube 51, and a counterweight 53 is fixedly assembled at the lower end of the screw rod 52.

Through the displacement of adjusting screw 52 in a section of thick bamboo 51 to the position of adjustment balancing weight 53, can adjust the size of gravity as required this moment, convenient to use.

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

1. An overload limiter, comprising: the steel wire rope overload protection device is characterized by comprising a steel wire rope (6), wherein the steel wire rope (6) is installed on a crane, the side wall of the steel wire rope (6) is provided with an overload limiter (1), the side wall of the overload limiter (1) is fixedly provided with two support blocks (2), the two support blocks (2) are tightly attached to the steel wire rope (6), the side wall of the overload limiter (1) is fixedly provided with a pressing block (3), the steel wire rope (6) penetrates through the pressing block (3) and is tightly attached to the inner wall of the pressing block (3), the surface of the overload limiter (1) is fixedly provided with an anti-falling structure (4), and the anti-falling structure (4) is sleeved on the outer wall of the steel wire rope (6).

2. The overload limiter of claim 1, wherein: anti-drop structure (4) include connecting rod (41), connecting rod (41) fixed assembly is in the surface of overload limiter (1), the end fixed assembly of connecting rod (41) has lantern ring (42), the inner wall of lantern ring (42) runs through and is equipped with slide bar (45), the upper end of slide bar (45) evenly is provided with a plurality of screw (46), screw (44) have been run through to the surface of lantern ring (42), the lower extreme and one of them screw (46) looks spiro union of screw (44), the medial extremity fixed assembly of slide bar (45) has clamp plate (43), wire rope (6) are located between lantern ring (42) and clamp plate (43).

3. The overload limiter of claim 1, wherein: the overload limiter is characterized by further comprising a counterweight structure (5), wherein the counterweight structure (5) is fixedly assembled at the lower end of the overload limiter (1), and the counterweight structure (5) is arranged on one side close to the steel wire rope (6).

4. The overload limiter of claim 3, wherein: the counterweight structure (5) comprises a support tube (51), the upper end of the support tube (51) is connected with the overload limiter (1), a screw rod (52) is connected to the inner wall of the support tube (51) in a threaded manner, and a counterweight (53) is fixedly assembled at the lower end of the screw rod (52).