CN220745218U - Tensioning device for steel wire rope - Google Patents

Abstract

The utility model discloses a tensioning device of a steel wire rope, which comprises: the rigid carrier roller is positioned below the hinge point cross beam side of the front girder; the suspension carrier roller is fixed at the bottom of the front girder end cross beam, and two ends of the front girder end cross beam are fixedly connected with the front girder; a wear-reducing block located on the path of travel of the wire rope; the anti-friction block comprises a first anti-friction block and a second anti-friction block, wherein the first anti-friction block is fixed on the diagonal brace, and the second anti-friction block is fixed on the bracket mechanism. According to the utility model, the suspension carrier roller is added, the rigid carrier roller is improved, the interference between the steel wire rope and each mechanism part of the trolley frame in the running process or the replacement process is effectively avoided, the grinding blocks are added, the steel wire rope is prevented from friction and abrasion with the diagonal bracing rod and the bracket mechanism, and the service life of the steel wire rope is effectively prolonged.

Description

Tensioning device for steel wire rope

Technical Field

The utility model relates to the technical field of lifting appliance maintenance tools, in particular to a tensioning device for a steel wire rope.

Background

The container shore bridge trolley mechanism mainly adopts a steel wire rope traction trolley mode to operate, and because the trolley operates at a longer distance (approximately 100 meters), the steel wire rope has larger sagging under the influence of dead weight, and a tensioning device is required to be designed to keep the steel wire rope in a relatively horizontal state, so that the trolley can be ensured to operate normally.

The existing shore bridge (such as an AJ35 type manufactured by a seaport machine) designs a tensioning device at the joint of a front girder and a rear girder, a steel wire rope is redirected to the upper part of a hinge point cross beam at the front end of the front girder of the shore bridge to run after passing through a pulley of the tensioning device, S-shaped winding and short-distance multiple winding exist, the steel wire rope is fast in abrasion, the service life is only 3 months, the technical condition of the steel wire rope is unstable when the steel wire rope is used, and the problem of abnormal rope breakage occurs many times.

In summary, there is a need to design a tensioning device for a steel wire rope to solve the problems in the prior art.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a tensioning device for a steel wire rope, which solves the problems that the service life of the steel wire rope is short, the situation is extremely unstable in the use process, and abnormal rope breakage occurs for many times.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tensioning device for a steel cord, comprising:

the rigid carrier roller is positioned at the hinge point cross beam of the front girder;

the suspension carrier roller is fixed at the bottom of the front girder end cross beam, and two ends of the front girder end cross beam are fixedly connected with the front girder;

a wear-reducing block located on the path of travel of the wire rope;

the anti-friction block comprises a first anti-friction block and a second anti-friction block, wherein the first anti-friction block is fixed on the diagonal brace, and the second anti-friction block is fixed on the bracket mechanism.

In some embodiments of the utility model, the rigid idler comprises an idler bracket, a first idler shaft, a first roller body; the roller support is symmetrically fixed on the hinge point cross beam, two ends of the first roller shaft are fixedly connected with the roller support, and the first roller body penetrates through the first roller shaft.

In some embodiments of the utility model, the rigid idler contacts and holds the wire rope as the pitch mechanism of the quay bridge is actuated.

In some embodiments of the utility model, the number of the first wear reducing blocks is a plurality, which are detachably sleeved on the diagonal brace.

In some embodiments of the utility model, the first wear block first anchor ear, second anchor ear, connecting member, and wear member; the inner diameters of the first anchor ear and the second anchor ear are matched with the outer diameter of the diagonal brace; the connecting piece is fixed below the first anchor ear and the second anchor ear and is used for connecting and fixing the first anchor ear and the second anchor ear; the wear prevention piece is fixed to the bottom of the connecting piece through a screw.

In some embodiments of the utility model, the first anchor ear is the same structure as the second anchor ear; the first anchor ear comprises an upper anchor ear and a lower anchor ear which are fixedly connected through screws.

In some embodiments of the utility model, the second antifriction block is fixed to the top of the bracket, the second antifriction block being in contact with the wire rope when the wire rope is replaced.

In some embodiments of the utility model, the hanging idler comprises a beam bracket, a second idler shaft, a second roller body; the beam support is fixedly connected with the beam, two ends of the second roller shaft are fixedly connected with the beam support, and the second roller body penetrates through the second roller shaft; the surface of the second roller body is wavy.

In some embodiments of the utility model, the number of hanging idlers is two, and the wire rope is in contact with the top of the hanging idler during operation of the wire rope.

Compared with the prior art, the technical scheme of the utility model has the following technical effects:

according to the utility model, the suspension carrier roller is added, the rigid carrier roller is improved, the interference between the steel wire rope and each mechanism part of the trolley frame in the running process or the replacement process is effectively avoided, the grinding blocks are added, the steel wire rope is prevented from friction and abrasion with the diagonal bracing rod and the bracket mechanism, and the service life of the steel wire rope is effectively prolonged.

In addition, the same-direction and reverse-direction bending on the running path of the steel wire rope is reduced, the abrasion degree of the steel wire rope is reduced, and the steel wire rope can be kept in a stable and reliable use state.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the tensioning device for a wire rope according to the embodiment of the present utility model.

Fig. 2 is a schematic structural view of the rigid idler shown in the embodiment of the present utility model.

Fig. 3 is a schematic structural view of the rigid idler shown in the embodiment of the present utility model.

Fig. 4 is a schematic view of the structure of the wear block shown in the embodiment of the present utility model.

Fig. 5 is a schematic diagram of the second embodiment of the present utility model.

Fig. 6 is a schematic structural view of the hanging idler shown in the embodiment of the present utility model.

Reference numerals: 100. a rigid idler; 110. a carrier roller bracket; 120. a first backup roller shaft; 130. a first roller body; 200. suspending a carrier roller; 210. a cross beam bracket; 220. a second backup roller shaft; 230. a second roller body; 300. a first wear block; 310. the first hoop; 311. an upper hoop; 312. a lower hoop; 320. the second hoop; 330. a connecting piece; 340. an abrasion-proof member; 400. a wire rope; 510. a front girder; 520. a hinge point beam; 530. a front girder end cross beam; 540. and (5) an inclined strut.

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 understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

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 or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be mechanically coupled, directly coupled, or indirectly coupled via an intermediate medium. 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.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

Referring to fig. 1-6, a tensioning device for a wire rope 400 includes:

a rigid idler 100 located at a hinge point cross member 520 of a front girder 510;

the suspension roller 200 is fixed at the bottom of the front girder end cross beam 530, and two ends of the front girder end cross beam 530 are fixedly connected with the front girder 510;

a wear-reducing block located in the travel path of the wire rope 400;

wherein, the antifriction blocks include a first antifriction block 300 and a second antifriction block, the first antifriction block 300 is fixed on the diagonal brace, and the second antifriction block is fixed on the bracket mechanism.

Specifically, for the structure of the shore bridge, it includes a front girder 510 and a rear girder (not shown in the figure), which are hinged and fixed therebetween; a hinge point cross beam 520 is arranged at the front end of the front girder 510, namely, two ends of the hinge point cross beam 520 are fixed on the front girder 510 which is arranged in parallel; along the length of the front girder 510, a plurality of front girder end cross members 530 are further provided for fixing the front girder 510 structure. For example, in this embodiment, the number of front girder end beams 530 is two, wherein the front girder end beams 530 and the hinge point beams 520 are each disposed perpendicular to the front girder 510. A diagonal brace is also provided between the hinge point cross member 520 and the front girder end cross member 530, and is disposed obliquely between the two front girders 510, i.e., the diagonal brace has a length greater than the interval of the front girders 510.

For the tensioning device in this embodiment, it is centrally located on the hinge point cross member 520, the front girder end cross member 530 and the diagonal brace.

In some embodiments of the utility model, for the rigid idler 100, it is fixed to the hinge point cross member 520. With continued reference to fig. 2 and 3, the rigid idler 100 includes an idler support 110, a first idler shaft 120, a first roller body 130; the roller support 110 is symmetrically fixed on the hinge point cross beam 520, two ends of the first roller shaft 120 are fixedly connected with the roller support 110, and the first roller body 130 penetrates through the first roller shaft 120.

Specifically, the idler brackets 110 are symmetrically manufactured, and temporary work needs to be added between the two brackets in the manufacturing process to ensure the inner shift, and the length of the inner shift is consistent with that of the first idler shaft 120. The idler bracket 110 is welded and fixed with the hinge point cross beam 520.

In use, the first idler roller is required to support a plurality of wire ropes 400, so the first roller 130 is generally composed of a plurality of roller bodies, and each roller body can rotate relative to the first idler roller 120.

In some embodiments of the present utility model, the rigid idlers 100 contact the wire 400 and cradle the wire 400 as the pitch mechanism of the quay bridge is actuated. Namely, after the running path of the steel wire rope 400 is changed, the supporting roller meets the requirement on the supporting of the steel wire rope 400 when the shore bridge pitching mechanism acts.

In some embodiments of the present utility model, referring to fig. 4 and 5, the number of the first wear reducing blocks 300 is plural, and they are detachably coupled to the diagonal braces. Specifically, the setting position of the first wear reducing block 300 coincides with the running path of the wire rope 400 under the diagonal brace, so that friction and wear between the wire rope 400 and the diagonal brace can be effectively prevented.

For the first wear block 300, it includes a first anchor ear 310, a second anchor ear 320, a connector 330, and a wear block 340; wherein the inner diameters of the first anchor ear 310 and the second anchor ear 320 are matched with the outer diameter of the diagonal brace; the connecting piece 330 is fixed below the first anchor ear 310 and the second anchor ear 320, and is used for connecting and fixing the first anchor ear 310 and the second anchor ear 320; the wear part 340 is fixed to the bottom of the connection part 330 by screws.

Specifically, the first anchor ear 310 has the same structure as the second anchor ear 320, and the first anchor ear 310 includes an upper anchor ear 311 and a lower anchor ear 312, which are fixedly connected by a screw. In the use process, when confirming the position of the diagonal brace, the upper hoop 311 is firstly hung on the diagonal brace, then the lower hoop 312 is aligned with the upper hoop 311, and then the upper hoop 311 is fixedly connected with the lower hoop 312 by using fixing pieces such as screws.

The connecting piece 330 may be fixed on the lower anchor ear 312 by welding, and the anti-wear block may be made of anti-wear material such as rubber, where the anti-wear block may be fixedly connected with the connecting piece 330 by a structure such as a screw.

In some embodiments of the utility model, for the second wear block (not shown) that is fixed to the top of the bracket, the second wear block is in contact with the wire rope 400 when the wire rope 400 is replaced.

Specifically, the material of the second antifriction block is consistent with that of the anti-abrasion block, and the second antifriction block can be made of anti-abrasion materials such as rubber, and the second antifriction block can be fixedly connected with the bracket through structures such as screws.

In some embodiments of the present utility model, with continued reference to fig. 6, for the hanging idler 200, it includes a front girder end cross-beam 530 bracket 210, a second idler shaft 220, a second roller body 230; the front girder end cross beam 530 bracket 210 is fixedly connected with the front girder end cross beam 530, two ends of the second roller shaft 220 are fixedly connected with the front girder end cross beam 530 bracket 210, and the second roller body 230 penetrates through the second roller shaft 220; the surface of the second roller 230 is in a wave shape, and the wave-shaped second roller 230 can effectively limit the running direction of the wire rope 400, so as to prevent the wire rope from being greatly displaced on the second roller 230.

Specifically, the front girder end girder 530 supports 210 are fixed to the bottom of the front girder end girder 530, the hanging idler 200 forms an installation space with the front girder end girder 530 supports 210, through which the wire ropes 400 pass during operation,

that is, the number of the hanging idlers 200 is two, and the wire 400 is in contact with the top of the hanging idlers 200 during the operation of the wire 400.

The second roller shaft 220 is fixedly connected with the front girder end beam 530 bracket 210 through screws, and anaerobic thread glue is required to be coated for preventing loosening when the screws are fastened; in addition, the bearing is filled with lubricating grease, so that the carrier roller can flexibly rotate, and the clamping stagnation phenomenon is avoided.

Compared with the prior art, the technical scheme of the utility model has the following technical effects:

according to the utility model, the suspension carrier roller 200 is added and the rigid carrier roller 100 is improved, so that the interference between the steel wire rope 400 and each mechanism part of the trolley frame in the running process or the replacement process is effectively avoided, meanwhile, the grinding blocks are added, the steel wire rope 400 is ensured not to generate friction and abrasion with the diagonal brace and the bracket mechanism, and the service life of the steel wire rope 400 is effectively prolonged.

In addition, the same-direction and reverse-direction bending on the running path of the steel wire rope 400 is reduced, the abrasion degree of the steel wire rope 400 is reduced, and the steel wire rope 400 can maintain a stable and reliable use state.

In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (9)

1. A wire rope tensioner comprising:

the rigid carrier roller is positioned at the hinge point cross beam of the front girder;

the suspension carrier roller is fixed at the bottom of the front girder end cross beam, and two ends of the front girder end cross beam are fixedly connected with the front girder;

a wear-reducing block located on the path of travel of the wire rope;

the anti-friction block comprises a first anti-friction block and a second anti-friction block, wherein the first anti-friction block is fixed on the diagonal brace, and the second anti-friction block is fixed on the bracket mechanism.

2. A wire rope tensioner as claimed in claim 1, wherein the rigid idler comprises an idler cradle, a first idler shaft, a first roller body; the roller support is symmetrically fixed on the hinge point cross beam, two ends of the first roller shaft are fixedly connected with the roller support, and the first roller body penetrates through the first roller shaft.

3. A wire rope tensioner according to claim 1, wherein the rigid idler contacts and holds the wire rope when the pitch mechanism of the quay bridge is actuated.

4. A wire rope tensioner as claimed in claim 1, wherein the number of the first wear reducing blocks is plural and is detachably coupled to the diagonal brace.

5. The rope tensioner of claim 1, wherein the first wear block comprises a first anchor ear, a second anchor ear, a connector, and a wear member; the inner diameters of the first anchor ear and the second anchor ear are matched with the outer diameter of the diagonal brace; the connecting piece is fixed below the first anchor ear and the second anchor ear and is used for connecting and fixing the first anchor ear and the second anchor ear; the wear prevention piece is fixed to the bottom of the connecting piece through a screw.

6. The rope tensioner of claim 5, wherein the anchor ear comprises an upper anchor ear and a lower anchor ear fixedly connected by a screw.

7. A tensioning device for a wire rope according to claim 1, characterized in that the second antifriction block is fixed to the top of the bracket, which second antifriction block is in contact with the wire rope when the wire rope is replaced.

8. The wire rope tensioner of claim 1, wherein the suspension idler comprises a front girder end cross beam bracket, a second idler shaft, a second roller body; the front girder end cross beam support is fixedly connected with the front girder end cross beam, two ends of the second roller shaft are fixedly connected with the front girder end cross beam support, and the second roller body penetrates through the second roller shaft; the surface of the second roller body is wavy.

9. A wire rope tensioner as claimed in claim 8, wherein the number of the suspension idlers is two, and the wire rope is in contact with the top of the suspension idlers during operation of the wire rope.