CN215711190U

CN215711190U - Tripod device connected by guy cable

Info

Publication number: CN215711190U
Application number: CN202121044226.3U
Authority: CN
Inventors: 杨超; 李彦英; 瓮铁; 何海涛; 马友坤
Original assignee: Juli Institute Of Rigging Tianjin Co ltd
Current assignee: Juli Institute Of Rigging Tianjin Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2022-02-01
Anticipated expiration: 2031-05-14

Abstract

The utility model relates to a tripod device connected by a guy cable, which is arranged on a crane big arm, and a hinged joint comprises: the crane boom connecting device comprises a second pin shaft, a first connecting fork, a second connecting fork, tripod connecting pieces, a first connecting fork connecting piece and a second connecting fork connecting piece, wherein one end of each of the upper and lower tripod connecting pieces is fixed at the other right-angle side and the end point of the bevel edge of the tripod; one end of the winch steel wire rope and one end of the catenary steel wire rope are respectively fixed on the first connecting forks, and the other ends of the winch steel wire rope and the catenary steel wire rope are respectively fixed on the winch and one end of the crane boom.

Description

Tripod device connected by guy cable

Technical Field

The utility model relates to a tripod device connected by a guy cable.

Background

The cable wind rope system comprises main parts such as a rooting part, a tripod, a winch, a steel wire rope, a pulley block and a connecting part, and is arranged on a large arm of a crane of the wind power installation platform, and the left side and the right side of the large arm are respectively provided with one set of cable wind rope system for stabilizing a hoisted object in the hoisting process and reducing the shaking of the hoisted object. The cable wind rope is far away from the center of the crane big arm, so that the cable wind effect is better, and the tripod supporting structure in the cable wind rope system can effectively meet the functions of supporting and suspending the cable wind rope.

In the working process of the cable wind rope system, the tip of the tripod needs to be connected with a winch steel wire rope, a catenary steel wire rope and a fixed steel wire rope. When the force is applied to the tripod by the multidirectional acting force, the stress form of the tripod is determined by the structural design of the connecting point, so that the strength of the tripod is influenced.

Disclosure of Invention

The utility model aims to provide a tripod device connected by a guy cable according to the stress form of various using working conditions of a tripod, and the strength and the stability of the tripod are ensured.

In order to achieve the purpose of the utility model, the following technical scheme is adopted in the application:

the utility model relates to a tripod device connected by a guy cable, which is arranged on a crane big arm, and comprises: first root spare, third root spare, tripod, winch wire rope, catenary wire rope and fixed wire rope, wherein the upper and lower both ends of a right-angle side of tripod are fixed the upper and lower both ends at the big arm of hoist through two first root spares respectively, and the extreme point of another right-angle side and hypotenuse of tripod passes through winch wire rope, catenary wire rope and fixed wire rope and links to each other with winch, the big arm one end of hoist and the big arm other end of hoist respectively, wherein: the tripod device that the hawser is connected still includes: an articulation joint, the articulation joint comprising: a second pin shaft, a first connecting fork, a second connecting fork, a tripod connecting sheet, a first connecting fork connecting sheet and a second connecting fork connecting sheet, wherein the hinged joint is arranged on the end point of the other right-angle side and the bevel side of the tripod, one end of the upper tripod connecting sheet and one end of the lower tripod connecting sheet are fixed on the end point of the other right-angle side and the bevel side of the tripod, one end of the upper first connecting fork connecting sheet and one end of the lower first connecting fork connecting sheet are fixed on the first connecting fork, one end of the upper second connecting fork connecting sheet and one end of the lower second connecting fork connecting sheet are fixed on the second connecting fork, the two tripod connecting sheets, the two first connecting fork connecting sheets and the second connecting fork connecting sheet are parallel to each other, the second pin shaft simultaneously passes through the two tripod connecting sheets, the first connecting fork connecting sheet and the second connecting fork connecting sheet, enabling the first connecting fork and the second connecting fork to rotate around a second pin shaft, fixing one end of a steel wire rope on the second connecting fork, and fixing the other end of the steel wire rope on the other end of the large arm of the crane; one end of the winch steel wire rope and one end of the catenary steel wire rope are respectively fixed on the first connecting forks, and the other ends of the winch steel wire rope and the catenary steel wire rope are respectively fixed on the winch and one end of the crane boom.

The utility model relates to a tripod device connected by a guy cable, wherein: the two first and second clevis webs are arranged between the two tripod webs.

The utility model relates to a tripod device connected by a guy cable, wherein: it still includes: and the damper is arranged between the other right-angle side of the tripod and the large arm of the crane, one end of the damper is fixed on the other right-angle side of the tripod through a third pin shaft, and the other end of the damper is fixed on the large arm of the crane through the third pin shaft and the second rooting part.

The utility model relates to a tripod device connected by a guy cable, wherein: two ends of a right-angle side of the tripod are respectively connected with two first root parts fixed on the large arm of the crane through first pin shafts.

The utility model relates to a tripod device connected by a guy cable, wherein: the first connecting fork is provided with two lug holes, and one ends of the winch steel wire rope and the catenary steel wire rope are respectively fixed on the two lug holes.

The utility model relates to a tripod device connected by a guy cable, wherein: the second connecting fork is provided with an ear hole, and one end of the fixed steel wire rope is fixed on the ear hole.

Compared with the existing tripod, the tripod device connected by the guy cable has the following advantages:

1. the tripod device connected by the guy rope of the utility model ensures that the tripod meets various stress working conditions by optimizing the stress of the tripod structure.

2. The tripod device connected with the cable rope is additionally provided with the damper, so that the vibration of a cable rope system is reduced.

3. The tripod device connected by the guy rope adopts the tripod in the form of the multipoint connecting shaft, so that the requirement on the accuracy of the installation position of the rooting part is lowered, the impact load borne by the tripod is lowered, and the vibration of the tripod is reduced.

Drawings

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

FIG. 2 is a top view of FIG. 1;

fig. 3 is an enlarged sectional view of the articulated joint.

In fig. 1 to 3, reference numeral 1 denotes a first root piece; reference numeral 2 is a second rooting member; reference numeral 3 is a third rooting member; reference numeral 4 is a first pin; reference numeral 5 is a tripod; reference numeral 6 is a second pin; reference numeral 7 is a first yoke; reference numeral 8 is a second clevis; reference numeral 9 is a damper; reference numeral 10 is a third pin; reference numeral 11 is a winch wire rope; reference numeral 12 is a catenary wire rope; reference numeral 13 is a fixed wire rope; reference numeral 14 is a crane jib; reference numeral 15 is a tripod connecting sheet; reference numeral 16 is a first clevis joint piece; reference numeral 17 is a second clevis joint piece; reference numeral 18 is an articulated joint; reference numeral 19 is a winch.

Detailed Description

As shown in fig. 1 to 3, the cable-connected tripod apparatus of the present invention is mounted on a crane jib 14, and comprises: the device comprises a first rooting part 1, a third rooting part 3, a tripod 5, a winch steel wire rope 11, a catenary steel wire rope 12, a fixed steel wire rope 13 and a damper 9, wherein the upper end and the lower end of a right-angle side of the tripod 5 are respectively fixed at the upper end and the lower end of a crane big arm 14 through two first rooting parts 1, the first rooting parts are connected with the two first rooting parts 1 fixed on the crane big arm 14 through a first pin shaft 4, the damper 9 is arranged between the other right-angle side of the tripod 5 and the crane big arm 14, one end of the damper 9 is fixed at the other right-angle side of the tripod 5 through a third pin shaft 10, and the other end of the damper 9 is fixed on the crane big arm 14 through the third pin shaft 10 and a second rooting part 2. The other end point of the right-angle side and the inclined side of the tripod 5 is respectively connected with a winch 19, one end of a large crane arm 14 and the other end of the large crane arm 14 through a winch steel wire rope 11, a catenary steel wire rope 12 and a fixed steel wire rope 13.

As shown in fig. 3, the guy rope-connected tripod apparatus further comprises: an articulation joint 18, the articulation joint 18 comprising: the tripod connecting piece comprises a second pin shaft 6, a first connecting fork 7, a second connecting fork 8, a tripod connecting piece 15, a first connecting fork connecting piece 16 and a second connecting fork connecting piece 17, a hinged joint 18 is arranged at the end point of the other right-angle side and the other inclined side of the tripod 5, one end of each of the upper tripod connecting piece 15 and the lower tripod connecting piece 15 is fixed at the end point of the other right-angle side and the other inclined side of the tripod 5, one end of each of the upper first connecting fork connecting piece 16 and the lower first connecting fork connecting piece 16 is fixed on the first connecting fork 7, one end of each of the upper second connecting fork connecting piece 17 and the lower second connecting fork connecting piece 17 is fixed on the second connecting fork 8, the two tripod connecting pieces 15, the two first connecting fork connecting pieces 16 and the second connecting fork connecting piece 17 are parallel to each other, and the two first connecting fork connecting pieces 16 and the second connecting fork connecting piece 17 are arranged between the two tripod connecting pieces 15. The second pin shaft 6 simultaneously penetrates through the two tripod connecting sheets 15, the first connecting fork connecting sheet 16 and the second connecting fork connecting sheet 17, so that the first connecting fork 7 and the second connecting fork 8 rotate around the second pin shaft 6, the second connecting fork 8 is provided with an ear hole, one end of the fixed steel wire rope 13 is fixed on the ear hole, and the other end of the fixed steel wire rope is fixed on the other end of the crane boom 14; the first connecting fork 7 is provided with two lug holes, one end of a winch steel wire rope 11 and one end of a catenary steel wire rope 12 are respectively fixed on the two lug holes, and the other end of the winch steel wire rope is respectively fixed on a winch 19 and one end of a crane boom 14.

The working principle is as follows:

after the installation is completed according to the above relation, the winch steel wire rope 11 and the catenary steel wire rope 12 are approximately parallel, the two acting forces of the winch steel wire rope 11 and the catenary steel wire rope 12 and the axis of the second pin shaft 6 are in the same plane, that is, the two acting forces always pass through the axis of the second pin shaft 6, because of the structural characteristics of the second connection fork 8, the reaction force generated by the fixed steel wire rope 13 also passes through the axis of the second pin shaft 6, although the acting lines of the winch steel wire rope 11 and the catenary steel wire rope 12 rotate around the ear holes of the second pin shaft 6 and the first connection fork 7 along with the change of the hoisting height of the crane, the above conditions are always unchanged. The resultant force direction formed by the two acting forces of the winch steel wire rope 11 and the catenary wire rope 12 and the reaction force generated by the fixed steel wire rope 13 is always on the plane of the triangular frame 5, the triangular frame 5 is used as a pressure-bearing rod structure, the strength of the triangular frame can be effectively improved, meanwhile, the arrangement of each pin shaft of the triangular frame 5 reduces the requirement on the installation position precision of the first rooting part 1, the second rooting part 2 and the third rooting part 3, and reduces the requirement on the length precision of the fixed steel wire rope 13.

When the height, angle and force of the cable wind change, the stress of the fixed steel wire rope 13 changes, the fixed steel wire rope 13 is used as an elastic element to be matched with the damper 9 to form a shock absorbing effect, the impact load borne by the tripod is reduced, and the vibration of the tripod is reduced.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and those skilled in the art should make various changes and modifications to the technical solution of the present invention without departing from the spirit of the present invention, which falls within the scope of the present invention defined by the claims.

Claims

1. A funicular rope connected tripod apparatus mounted on a crane jib (14), the funicular rope connected tripod apparatus comprising: first root piece (1), third root piece (3), tripod (5), winch wire rope (11), catenary wire rope (12) and fixed wire rope (13), wherein the upper and lower both ends of a right-angle side of tripod (5) are fixed the upper and lower both ends at big arm of hoist (14) through two first root pieces (1) respectively, winch wire rope (11) are passed through to the endpoint of another right-angle side of tripod (5) and hypotenuse, catenary wire rope (12) and fixed wire rope (13) respectively with winch (19), big arm of hoist (14) one end and big arm of hoist (14) other end link to each other, its characterized in that: the tripod device that the hawser is connected still includes: an articulation joint (18), the articulation joint (18) comprising: a second pin shaft (6), a first connecting fork (7), a second connecting fork (8), a tripod connecting sheet (15), a first connecting fork connecting sheet (16) and a second connecting fork connecting sheet (17), a hinged joint (18) is arranged at the end point of the other right-angle side and the bevel side of the tripod (5), one ends of the upper tripod connecting sheet (15) and the lower tripod connecting sheet (15) are fixed at the end point of the other right-angle side and the bevel side of the tripod (5), one ends of the upper first connecting fork connecting sheet (16) and the lower first connecting fork connecting sheet (16) are fixed on the first connecting fork (7), one ends of the upper second connecting fork connecting sheet (17) and the lower second connecting fork connecting sheet (17) are fixed on the second connecting fork (8), the two tripod connecting sheets (15), the two first connecting fork connecting sheets (16) and the second connecting sheet (17) are parallel to each other, the second pin shaft (6) simultaneously passes through the two tripods (15), the first connecting fork connecting sheet (16) and the second connecting sheet (17), the first connecting fork (7) and the second connecting fork (8) rotate around the second pin shaft (6), one end of a fixed steel wire rope (13) is fixed on the second connecting fork (8), and the other end of the fixed steel wire rope is fixed on the other end of the crane boom (14); one end of the winch steel wire rope (11) and one end of the catenary steel wire rope (12) are respectively fixed on the first connecting fork (7), and the other ends of the winch steel wire rope and the catenary steel wire rope are respectively fixed on the winch (19) and one end of the crane boom (14).

2. A funicular rope connected tripod apparatus as claimed in claim 1, wherein: the two first and second fork webs (16, 17) are arranged between the two tripod webs (15).

3. A funicular rope connected tripod apparatus as claimed in claim 2, wherein: it still includes: the damper (9) is arranged between the other right-angle side of the tripod (5) and the large crane arm (14), one end of the damper (9) is fixed on the other right-angle side of the tripod (5) through a third pin shaft (10), and the other end of the damper (9) is fixed on the large crane arm (14) through the third pin shaft (10) and the second rooting part (2).

4. A funicular rope connected tripod apparatus as claimed in claim 3, wherein: two ends of a right-angle side of the tripod (5) are respectively connected with two first rooting parts (1) fixed on a large arm (14) of the crane through first pin shafts (4).

5. A funicular rope connected tripod apparatus as claimed in claim 4, wherein: the first connecting fork (7) is provided with two lug holes, and one ends of the winch steel wire rope (11) and the catenary steel wire rope (12) are respectively fixed on the two lug holes.

6. A funicular rope connected tripod apparatus as claimed in claim 5, wherein: the second connecting fork (8) is provided with an ear hole, and one end of the fixed steel wire rope (13) is fixed on the ear hole.