CN218935159U

CN218935159U - Wedge-shaped joint for fixing steel wire rope

Info

Publication number: CN218935159U
Application number: CN202223108082.0U
Authority: CN
Inventors: 张生磊; 高鹏; 耿丽君; 任天鹰; 王福远
Original assignee: Taiyuan Heavy Industry Co Ltd
Current assignee: Taiyuan Heavy Industry Co Ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-04-28
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a wedge-shaped joint for fixing a steel wire rope, which comprises a wedge sleeve, a wedge block, a bolt pair and a positioning sleeve, wherein the upper part of the wedge sleeve is provided with a connecting lug plate, the lower part of the wedge sleeve is provided with a connecting taper sleeve, the inner cavity of the connecting taper sleeve is in a cone shape, and the lower end of the connecting taper sleeve is provided with an arc groove; the wedge block is arranged and positioned in the inner cone cavity, the upper part of the wedge block is a hemispherical part, the lower part of the wedge block is a cone part, the lower part of the cone part is provided with a through hole, and the periphery of the wedge block is provided with a plurality of groups of U-shaped rope grooves with different specifications; the bolt pair is installed in the lower extreme of cone portion, and the locating sleeve suit is in the bolt portion periphery of bolt pair and cooperate in the circular arc groove. The wedge sleeve can be made of forged steel, has good mechanical property and stable quality, and remarkably improves the safety performance; the wedge block can be provided with a plurality of groups of rope grooves with different groove type specifications, and is suitable for standardized and batch production; the wedge blocks can be rotationally adjusted in the circumferential direction, so that the steel wire rope is prevented from being twisted, and the service life of the steel wire rope is effectively prolonged.

Description

Wedge-shaped joint for fixing steel wire rope

Technical Field

The utility model belongs to the technical field of steel wire rope connector fixation, and particularly relates to a wedge-shaped connector for steel wire rope fixation.

Background

As shown in fig. 1, a wedge-shaped joint for fixing a steel wire rope in the prior art comprises a wedge sleeve 11 and a wedge block 12, wherein the wedge sleeve 11 is complex in shape and is mostly manufactured by adopting a casting method, but a casting structure is thick, more defects and higher rejection rate, 100% ultrasonic flaw detection cannot be realized due to the complex appearance structure, the quality is unstable, and potential safety hazards exist during hoisting; the wedge block 12 is of an irregular wedge structure, and only one rope groove can be formed on two sides of the wedge block, so that the fixing and connecting requirements of steel wire ropes with different specifications cannot be met, and standardized and batch production are not facilitated; the wedge block 12 cannot be circumferentially adjusted in the wedge sleeve 11, so that the defects of kinking, cage distortion and the like of the steel wire rope in the running process are easily caused, and the service life of the long steel wire rope is reduced.

Disclosure of Invention

In order to solve part or all of the technical problems in the prior art, the utility model provides a wedge-shaped connector for fixing a steel wire rope, which comprises a wedge sleeve and a wedge block, wherein the wedge-shaped connector for fixing the steel wire rope also comprises a bolt pair and a positioning sleeve, the upper part of the wedge sleeve is provided with a connecting lug plate, the lower part of the wedge sleeve is provided with a connecting taper sleeve, the middle part of the connecting lug plate is provided with a connecting hole, the inner cavity of the connecting taper sleeve is in a cone shape, and the lower end of the connecting taper sleeve is provided with an arc groove; the wedge block is arranged and positioned in the inner cone cavity of the connecting taper sleeve, the upper part of the wedge block is a hemispherical part, the lower part of the wedge block is a cone part, the lower part of the cone part is provided with a through hole, and the periphery of the wedge block is provided with a plurality of groups of U-shaped rope grooves with different specifications; the bolt pair is arranged at the lower end of the cone portion through the through hole, the positioning sleeve is sleeved on the periphery of the bolt portion of the bolt pair, is positioned between the bolt head of the bolt pair and the cone portion, and is matched with the circular arc groove at the lower end of the connecting cone sleeve.

Further, in the wedge-shaped connector for fixing the steel wire rope, the plurality of groups of U-shaped rope grooves comprise a first group of rope grooves and a second group of rope grooves, the groove type specifications of the first group of rope grooves and the second group of rope grooves are different, and the first group of rope grooves and the second group of rope grooves are respectively matched with steel wire ropes of different specifications.

Further, in the wedge-shaped joint for fixing the steel wire rope, the diameter of the lower end of the conical part is smaller than the diameter of the lower end conical hole of the inner conical cavity of the connecting conical sleeve, and the diameter of the hemispherical part is larger than the diameter of the lower end conical hole of the inner conical cavity of the connecting conical sleeve.

The wedge-shaped connector for fixing the steel wire rope has the following advantages and beneficial effects:

1. the wedge sleeve has simple structure, good manufacturability, high strength, good mechanical property, few defects and stable quality, can be made of forged steel, and can remarkably improve the safety performance;

2. the wedge block is cone-shaped, and a plurality of groups of U-shaped rope grooves with different groove specifications can be formed, so that the wedge block is used for fixing and connecting steel wire ropes with different specifications, and is suitable for standardized and batch production;

3. in the use process, the bolt pair and the positioning sleeve axially and circumferentially position the wedge block, limit the wedge block to move upwards and rotate in the wedge sleeve, and ensure the safe operation of the wedge joint;

4. when the stress of the steel wire rope is released, circumferential rotation adjustment of the wedge block can be realized under the working condition that the wedge sleeve is not removed by removing the bolt pair and the positioning sleeve and manually rotating the wedge block, the stress of the steel wire rope is released, the defects of kinking/cage-shaped distortion and the like of the steel wire rope in the operation process are prevented, and the service life of the steel wire rope is effectively prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and without limitation to the utility model. In the drawings:

FIG. 1 is a schematic view of a prior art wedge joint for securing a wire rope, wherein (b) is a side view of (a);

FIG. 2 is a schematic view of the wedge joint for fixing the steel wire rope;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a sectional view taken along B-B in fig. 2.

Reference numerals illustrate:

11-wedge sleeve and 12-wedge block;

1-wedge sleeve, 11-connecting lug plate, 12-connecting hole, 13-connecting taper sleeve and 14-arc groove;

2-wedge block, 21-hemispherical portion, 22-cone portion and 23-through hole;

3-bolt pairs and 4-positioning sleeves;

5-U-shaped rope grooves, 51-first group of rope grooves and 52-second group of rope grooves.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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.

As shown in fig. 2, 3 and 4, the wedge joint for fixing a wire rope according to the present utility model includes a wedge bush 1, a wedge 2, a bolt pair 3 and a positioning bush 4. The upper part of the wedge sleeve 1 is provided with a connecting lug plate 11, the middle part of the connecting lug plate 11 is provided with a connecting hole 12, the lower part of the wedge sleeve 1 is provided with a connecting taper sleeve 13, the inner cavity of the connecting taper sleeve 13 is cone-shaped, and the lower end of the connecting taper sleeve 13 is provided with an arc groove 14. The wedge block 2 is arranged and positioned in an inner cone cavity of the connecting taper sleeve 13, the upper part of the wedge block 2 is a hemispherical part 21, the lower part of the wedge block 2 is a cone part 22, a through hole 23 is formed in the lower part of the cone part 22, and a plurality of groups of U-shaped rope grooves 5 with different specifications are formed in the periphery of the wedge block 2. The bolt pair 3 is arranged at the lower end of the cone portion 22 through the through hole 23, the positioning sleeve 4 is sleeved on the periphery of the bolt portion of the bolt pair 3, is positioned between the bolt head of the bolt pair 3 and the cone portion 22, and is matched with the arc groove 14 connected with the lower end of the cone sleeve 13.

In the wedge-shaped connector for fixing steel wire ropes of the present utility model, the plurality of sets of U-shaped rope grooves 5 comprise, for example, a first set of rope grooves 51 and a second set of rope grooves 52, and the groove-type specifications of the first set of rope grooves 51 and the second set of rope grooves 52 are different to be matched with steel wire ropes of different specifications, so that the wedge-shaped connector for fixing steel wire ropes of the present utility model is applicable to fixing and connecting steel wire ropes of different specifications, and is applicable to standardized and mass production. It goes without saying that the above-mentioned groups of U-shaped rope grooves 5 may also comprise other rope grooves of different groove-type specifications.

In the wedge joint for fixing the steel wire rope, the diameter of the lower end of the conical part 22 at the lower part of the wedge block 2 is smaller than the diameter of the lower end conical hole of the inner conical cavity of the connecting conical sleeve 13 at the lower part of the wedge sleeve 1, so that the wedge block 2 is conveniently installed in the inner conical cavity of the wedge sleeve, and the diameter of the hemispherical part 21 at the upper part of the wedge block 2 is larger than the diameter of the lower end conical hole of the inner conical cavity of the connecting conical sleeve 13 at the lower part of the wedge sleeve 1, so that the wedge block 2 is prevented from falling off from the wedge sleeve 1.

The wedge-shaped joint for fixing the steel wire rope comprises the following using method: the steel wire rope is wound on the wedge block 2 through the U-shaped rope groove 5, the bending curvature of the steel wire rope is ensured through the hemispherical part 21 at the upper part of the wedge block 2, the bolt pair 3 and the positioning sleeve 4 are arranged at the lower end of the conical part 22 at the lower part of the wedge block 2, and the end part of the steel wire rope wound on the wedge block 2 is clamped and fixed through the steel wire rope clamp 6, so that the steel wire rope is fixed.

In the wedge-shaped joint for fixing the steel wire rope, the bolt pair 3 can effectively prevent the wedge block 2 from moving upwards, so that dislocation of the steel wire rope is avoided; the positioning sleeve 4 is matched with the circular arc groove 14 at the lower part of the wedge sleeve 1, so that the wedge block 2 can be circumferentially positioned, the wedge block 2 is limited to rotate in the wedge sleeve 1, and the abrasion of a steel wire rope caused by the rotation of the wedge block 2 in the running process is prevented.

In addition, because the stress release is not thorough when the wire rope is installed, the wire rope is easy to generate kinking and other problems in the working process, after the wedge-shaped joint is used for a period of time, the bolt pair 3 and the positioning sleeve 4 are disassembled, the stress release is carried out on the wire rope by manually rotating the wedge block 2, after the stress release, the bolt pair 3 and the positioning sleeve 4 are reset, the wedge block 2 is axially and circumferentially positioned, the wedge block 2 is limited to move upwards and rotate in the wedge sleeve 2, and the safe operation of the wedge-shaped joint is ensured.

In summary, compared with the prior art, the wedge-shaped connector for fixing the steel wire rope has the advantages of simple structure, simple manufacturing process, convenient disassembly and assembly, safety and reliability, and particularly has the following advantages and beneficial effects:

It should be noted that, unless explicitly stated or limited otherwise, the term "connected" or its synonyms should be construed broadly herein, and for example, "connected" may be either a fixed connection or a removable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate medium, and may be the communication between two elements or the interaction relationship between the two elements, so that those skilled in the art will understand the specific meaning of the terms in the present utility model according to the specific circumstances. Moreover, expressions such as "first" and "second" are merely used to distinguish one entity or action from another entity or action, and do not necessarily require or imply any such actual 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. In this context, "front", "rear", "left", "right", "upper" and "lower" are referred to with respect to the placement state shown in the drawings.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The wedge-shaped joint for fixing the steel wire rope comprises a wedge sleeve and a wedge block, and is characterized by further comprising a bolt pair and a positioning sleeve, wherein the upper part of the wedge sleeve is a connecting lug plate, the lower part of the wedge sleeve is a connecting taper sleeve, a connecting hole is formed in the middle of the connecting lug plate, an inner cavity of the connecting taper sleeve is cone-shaped, and an arc groove is formed in the lower end of the connecting taper sleeve; the wedge block is arranged and positioned in the inner cone cavity of the connecting taper sleeve, the upper part of the wedge block is a hemispherical part, the lower part of the wedge block is a cone part, the lower part of the cone part is provided with a through hole, and the periphery of the wedge block is provided with a plurality of groups of U-shaped rope grooves with different specifications; the bolt pair is arranged at the lower end of the cone portion through the through hole, the positioning sleeve is sleeved on the periphery of the bolt portion of the bolt pair, is positioned between the bolt head of the bolt pair and the cone portion, and is matched with the circular arc groove at the lower end of the connecting cone sleeve.

2. The wedge-shaped joint for fixing steel wire ropes according to claim 1, wherein the plurality of groups of U-shaped rope grooves comprise a first group of rope grooves and a second group of rope grooves, the groove type specifications of the first group of rope grooves and the second group of rope grooves are different, and the first group of rope grooves and the second group of rope grooves are respectively matched with steel wire ropes of different specifications.

3. The wedge joint for fixing a wire rope according to claim 1, wherein the diameter of the lower end of the cone portion is smaller than the diameter of the lower end cone hole of the inner cone cavity of the connection cone sleeve, and the diameter of the hemispherical portion is larger than the diameter of the lower end cone hole of the inner cone cavity of the connection cone sleeve.