CN216272819U - A anticreep line leading wheel device for tower crane - Google Patents

Abstract

The utility model discloses an anti-off-line guide wheel device for a tower crane, which relates to the technical field of guide wheels and comprises guide wheels, wherein two sides of each guide wheel are rotatably connected with connecting seats, two connecting seats are fixedly connected with connecting rods, the tops of the two connecting rods are fixedly connected with cross rods, the tops of the cross rods are fixedly provided with connecting heads, the bottoms of the cross rods are slidably connected with anti-off devices through limiting rods, each anti-off device comprises a sleeve disc which is slidably connected with the two limiting rods, the opposite surfaces of the sleeve discs are provided with notches, and the notches are connected with limiting wheels through toughness components in an embedded mode. The utility model can safely and effectively extrude the pull rope and prevent the pull rope from falling off from the guide wheel.

Description

A anticreep line leading wheel device for tower crane

Technical Field

The utility model relates to the technical field of guide wheels, in particular to an anti-falling guide wheel device for a tower crane.

Background

In the field of modern civil engineering, along with continuous innovation of science and technology and continuous change of design concepts of people, various buildings are produced at the same time, the steel wire rope in the tower crane is an important bearing tool, and in order to facilitate the winding and unwinding of the steel wire rope, people design a guide wheel at the corner part of the tower crane to guide and protect the steel wire rope, so that the friction damage of the steel wire rope can be prevented.

Among the prior art, the leading wheel has advantages such as wearability is good, long service life, but current leading wheel is only provided with the guide way at the wheel face, and at the during operation, if because of factors influences such as machine shake or the rope body is too loose, the easy careless slippage of the rope body in the guide way comes out, causes the machine trouble, influences the operation, and has certain potential safety hazard.

Therefore, the utility model provides an anti-falling guide wheel device for a tower crane, which is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an anti-falling guide wheel device for a tower crane. Its advantage lies in can carrying out safe effectual extrusion to the stay cord, prevents that the stay cord from droing in the leading wheel.

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

the utility model provides an anticreep line leading wheel device for tower crane, includes the leading wheel, the leading wheel both sides are rotated and are connected with the connecting seat, two fixedly connected with connecting rod on the connecting seat, two connecting rod top fixedly connected with horizontal pole, the horizontal pole top is fixed with the connector, the bottom of horizontal pole has the anticreep device through gag lever post sliding connection, the anticreep device include with two gag lever post sliding connection's set, the notch has been seted up to the set opposite face, be connected with spacing wheel through toughness subassembly gomphosis in the notch.

Through the technical scheme: during the use, hang the connector on bearing structure, weld and consolidate, then pass the stay cord of tower crane in the space between leading wheel and the spacing wheel, the stay cord drives leading wheel and spacing wheel rotation simultaneously by the in-process of tractive, reduces the wearing and tearing of stay cord, when the stay cord thickness is inhomogeneous, can be to the unequal stay cord of thickness extrusion that can both be better under the effect of toughness subassembly, guarantee all can normally pass through the space between leading wheel and the spacing wheel when the rope body thickness is inhomogeneous.

The utility model is further provided that the outer walls of the circumferences of the two sides of the guide wheel are both provided with sliding grooves which are embedded in the sliding grooves.

Through the technical scheme: make the sleeve dish and the spacing wheel of gomphosis between two sleeve dishes can be simple rotate steadily on the leading wheel, when spacing wheel blocked, whole anticreep device still can rotate, reduces the wearing and tearing of the rope body.

The utility model is further provided that two sides of the inside of the sliding groove formed by the guide wheel are both provided with a first limiting groove, and two sides of the sleeve disc are fixed with a second sliding rod embedded in the first limiting groove.

Through the technical scheme: when the leading wheel rotated, the second slide bar gomphosis played the slip supporting role in first spacing inslot for the set dish is more stable.

The utility model is further provided that the outer sides of the two sleeve discs are respectively provided with a second limiting groove, and the limiting rods are embedded in the second limiting grooves through the fixed first sliding rods.

Through the technical scheme: the first sliding rod is embedded in the second limiting groove and is matched with the second sliding rod and the first limiting groove, so that the anti-falling device can stably rotate and cannot be separated.

The utility model is further provided that the flexible assembly comprises flexible springs fixed in the notches at equal intervals, and one end of each flexible spring is fixedly connected with a pressing plate which is embedded between the pressing plates.

Through the technical scheme: when the stay cord is thicker, the limiting wheel receives the extrusion force, and simultaneously under the action of the toughness spring and the pressing plate, the limiting wheel extrudes the stay cord, so that the stay cord is prevented from jumping up at a higher pulling speed, and danger is prevented.

The utility model is further arranged in such a way that the width of the pressure plate is larger than that of the sleeve disc, and the pressure plate is tightly attached to the limiting wheel.

Through the technical scheme: the wide and thick pressing plate can cover the circumferential outer walls of the two sides of the limiting wheel in the largest area to protect and support the limiting wheel, so that the effect is more obvious.

The utility model is further provided that the pressing plates are in a circular arc structure, and the distances from the plurality of pressing plates to the center point of the notch are equal.

Through the technical scheme: the distance that utilizes notch central point equals and the shape of clamp plate is the circular arc structure for the clamp plate can make up into a circular, can support the protection to every corner of the circumference outer wall of gag lever post, improves and supports the protective effect.

The utility model has the beneficial effects that:

1. according to the utility model, the connecting head is hung on the supporting structure for welding and reinforcing, then the pull rope of the tower crane penetrates through the gap between the guide wheel and the limiting wheel, the guide wheel and the limiting wheel are driven to rotate by the pull rope in the process of being pulled, the abrasion of the pull rope is reduced, when the thickness of the pull rope is not uniform, the pull ropes with different thicknesses can be well extruded under the action of the toughness component, and the normal passing of the gap between the guide wheel and the limiting wheel can be ensured when the thickness of the rope body is not uniform.

2. According to the anti-disengaging device, the first sliding rod, the second limiting groove, the second sliding rod and the first sliding groove are arranged, so that the anti-disengaging device can stably rotate and cannot be disengaged, when the limiting wheel is clamped, the whole anti-disengaging device can still rotate, and the abrasion of a rope body is reduced.

3. According to the utility model, the toughness component comprises toughness springs fixed in the notches at equal intervals, one end of each toughness spring is fixedly connected with the pressing plate to be subjected to extrusion force, and meanwhile, the limiting wheel extrudes the pull rope under the action of the toughness springs and the pressing plate, so that the pull rope is prevented from jumping up at a higher pulling speed, and the danger is prevented.

Drawings

FIG. 1 is a schematic perspective view of an anti-drop guide wheel device for a tower crane according to the present invention;

FIG. 2 is a schematic view of a partial three-dimensional structure of a sleeve disc of the anti-falling guide wheel device for the tower crane according to the present invention;

FIG. 3 is a schematic partial three-dimensional structure diagram of an anti-drop guide wheel device for a tower crane according to the present invention;

fig. 4 is a schematic partial three-dimensional structure diagram of the wire-dropping prevention guide wheel device for the tower crane provided by the utility model.

In the figure: 1. a guide wheel; 101. a chute; 102. a first limit groove; 2. a connecting seat; 3. a connecting rod; 4. a cross bar; 5. a limiting wheel; 6. sleeving a disc; 7. a limiting rod; 8. a notch; 9. a ductile spring; 10. pressing a plate; 11. a second limit groove; 12. a first slide bar; 13. a second slide bar.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, an anticreep line leading wheel device for tower crane, including leading wheel 1, 1 both sides of leading wheel are rotated and are connected with connecting seat 2, fixedly connected with connecting rod 3 on two connecting seats 2, 3 top fixedly connected with horizontal pole 4 of two connecting rods, 4 tops of horizontal pole are fixed with the connector, 7 sliding connection through the gag lever post have the anticreep device in the bottom of horizontal pole 4, the anticreep device include with 7 sliding connection's of two gag lever posts set 6, notch 8 has been seted up to 6 opposite faces of set, be connected with spacing wheel 5 through toughness subassembly gomphosis in the notch 8.

Concrete, spout 101 has all been seted up to the both sides circumference outer wall of leading wheel 1, and the sleeve disc 6 gomphosis is in spout 101 for stable the rotating on leading wheel 1 that sleeve disc 6 and gomphosis spacing wheel 5 between two sleeve discs 6 can be simple, when spacing wheel 5 blocks, whole anticreep device still can rotate, reduces the wearing and tearing of the rope body.

Specifically, first spacing grooves 102 have all been seted up to the inside both sides of spout 101 that leading wheel 1 seted up, and the both sides of set 6 are fixed with the second slide bar 13 of gomphosis in first spacing groove 102, and when leading wheel 1 rotated, second slide bar 13 gomphosis played the slip supporting role in first spacing groove 102 for set 6 is more stable.

Specifically, the outer sides of the two sleeve discs 6 are provided with second limiting grooves 11, the limiting rods 7 are embedded in the second limiting grooves 11 through fixed first sliding rods 12, the first sliding rods 12 are embedded in the second limiting grooves 11, and the second sliding rods 13 are matched with the first limiting grooves 102, so that the anti-falling device can stably rotate and cannot be separated.

Specifically, toughness subassembly includes that the equidistance is fixed the toughness spring 9 in notch 8, and 9 one end fixedly connected with clamp plates 10 of toughness spring, and 5 gomphosis of spacing round are between clamp plates 10, and is thicker when the stay cord, and spacing round 5 receives the extrusion force, and simultaneously under the effect of toughness spring 9 and clamp plates 10, spacing round 5 extrudees the stay cord, prevents that stay cord pulling speed from jumping fast, prevents dangerous the emergence.

Specifically, the width of the pressing plate 10 is greater than that of the sleeve disc 6, the pressing plate 10 is tightly attached to the limiting wheel 5, the outer walls of the circumferences of the two sides of the limiting wheel 5 can be covered by the pressing plate 10 with wide and thick in the largest area, the pressing plate is protected and supported, and the effect is more remarkable.

Specifically, the pressing plates 10 are in a circular arc structure, and the distances from the plurality of pressing plates 10 to the center point of the notch 8 are equal. Utilize the distance of 8 central points of notch equal and the shape of clamp plate 10 to be the circular arc structure for clamp plate 10 can make up into a circular, can support the protection to every corner of the circumference outer wall of gag lever post 7, improves and supports the protective effect.

The working principle is as follows: during the use, hang the connector on bearing structure, weld and consolidate, then pass the stay cord of tower crane in the space between leading wheel 1 and spacing wheel 5, the stay cord drives leading wheel 1 and spacing wheel 5 simultaneously by the in-process of tractive and rotates, reduce the wearing and tearing of stay cord, when the stay cord thickness is inhomogeneous, can be to the unequal stay cord of thickness extrusion that can both be better under the effect of toughness subassembly, guarantee all can normally pass through the space between leading wheel 1 and the spacing wheel 5 when the rope body thickness is inhomogeneous.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (7)

1. The utility model provides an anticreep line leading wheel device for tower crane, includes leading wheel (1), its characterized in that, leading wheel (1) both sides are rotated and are connected with connecting seat (2), two fixedly connected with connecting rod (3), two on connecting seat (2) connecting rod (3) top fixedly connected with horizontal pole (4), horizontal pole (4) top is fixed with the connector, there is the anticreep device bottom of horizontal pole (4) through gag lever post (7) sliding connection, the anticreep device includes sleeve disc (6) with two gag lever posts (7) sliding connection, notch (8) have been seted up to sleeve disc (6) opposite face, be connected with spacing wheel (5) through toughness subassembly gomphosis in notch (8).

2. The anti-falling guide wheel device for the tower crane according to claim 1, wherein sliding grooves (101) are formed in the circumferential outer walls of two sides of the guide wheel (1), and the sleeve disc (6) is embedded in the sliding grooves (101).

3. The anti-falling guide wheel device for the tower crane according to claim 2, wherein first limiting grooves (102) are formed in two sides of the inside of a sliding groove (101) formed in the guide wheel (1), and second sliding rods (13) embedded in the first limiting grooves (102) are fixed to two sides of the sleeve disc (6).

4. The anti-falling guide wheel device for the tower crane according to claim 1, wherein second limiting grooves (11) are formed in the outer sides of the two sleeve discs (6), and the limiting rods (7) are embedded in the second limiting grooves (11) through fixed first sliding rods (12).

5. The anti-falling guide wheel device for the tower crane according to claim 1, wherein the toughness component comprises toughness springs (9) fixed in the notches (8) at equal intervals, one ends of the toughness springs (9) are fixedly connected with pressure plates (10), and the limiting wheels (5) are embedded between the pressure plates (10).

6. The anti-falling guide wheel device for the tower crane according to claim 5, wherein the width of the pressing plate (10) is larger than that of the sleeve disc (6), and the pressing plate (10) is tightly attached to the limiting wheel (5).

7. The anti-drop guide wheel device for the tower crane according to claim 6, wherein the pressing plates (10) are in a circular arc structure, and the distances from the plurality of pressing plates (10) to the center point of the notch (8) are equal.

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