CN211521405U

CN211521405U - Steel wire rope twisting prevention mechanism of tower crane

Info

Publication number: CN211521405U
Application number: CN201922391819.6U
Authority: CN
Inventors: 苏彬; 张学丽; 沙明; 史经平; 孙洪
Original assignee: Kunming Junma Construction Machinery Co ltd
Current assignee: Kunming Junma Construction Machinery Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-18
Anticipated expiration: 2029-12-27

Abstract

The utility model relates to the technical field of tower cranes, in particular to a tower crane steel wire rope anti-twisting mechanism which comprises a first shaft sleeve and an anti-twisting shaft, wherein an ear seat is welded on the inner wall of the first shaft sleeve, a wedge sleeve is arranged on the ear seat, a pin shaft is fixedly penetrated between the first shaft sleeve, the ear seat and the wedge sleeve, gaskets are respectively arranged at the two sides of the first shaft sleeve, a bearing is welded on the inner wall of the first shaft sleeve, a through hole is arranged inside the anti-twisting shaft, a second shaft sleeve is welded in the through hole, a fixing bolt is inserted inside the first shaft sleeve and the second shaft sleeve, a nut is connected with the end thread of the fixing bolt, ear plates are respectively fixed at the two ends of the anti-twisting shaft through bolts, the fixing bolt is inserted on an inner ring of the bearing, the first shaft sleeve and the fixing bolt are rotatably connected, the tower crane steel wire rope anti-twisting mechanism can avoid the twisting of, the service life of the steel wire rope is prolonged.

Description

Steel wire rope twisting prevention mechanism of tower crane

Technical Field

The utility model relates to a tower crane technical field, specifically speaking relates to a mechanism is prevented turning round by tower crane wire rope.

Background

The tower crane is a common hoisting device in construction sites, and is mainly used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction, and the tower crane mostly adopts a steel wire rope to hoist heavy objects. However, the steel wire rope used by the existing tower crane does not have the function of preventing twisting, and the steel wire rope is twisted together in a rotating way when a heavy object is lifted easily, so that the steel wire rope is abraded, and the service life of the steel wire rope is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mechanism is prevented turning round by tower crane wire rope to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a mechanism is prevented turning round by tower crane wire rope, includes axle sleeve one and prevents turning round the axle, the welding has the ear seat on the inner wall of axle sleeve one, be equipped with the wedge sleeve on the ear seat, it is fixed with the round pin axle to run through between axle sleeve one, ear seat and the wedge sleeve, the round pin axle is located axle sleeve both sides department all is equipped with the packing ring, it has the bearing still to weld on the inner wall of axle sleeve one, the through-hole has been seted up to the inside of preventing turning round the axle, and has welded axle sleeve two in the through-hole, axle sleeve one with the inside of axle sleeve two is run through and has been pegged graft there is fixing bolt, fixing bolt's end threaded connection has the nut, the both ends of preventing turning round the axle all have the otic placode through the bolt fastening, fixing bolt pegs graft on.

Preferably, a wedge body is embedded in the wedge sleeve.

Preferably, a pressing plate is arranged at the joint of the fixing bolt and the nut and is sleeved on the fixing bolt, and the pressing plate can reduce the gap between the nut and the second shaft sleeve, so that the fixing bolt and the nut are connected more stably.

Preferably, rubber pads are bonded on the outer walls of the two sides of the pressing plate.

Preferably, two all the welding has the screw thread lantern ring on the one side outer wall that the otic placode kept away from each other, the inside of otic placode is located screw thread lantern ring department has seted up the through-hole, and the through-hole with the screw thread lantern ring is linked together.

Preferably, the thread lantern ring is internally threaded with a locking bolt, when the steel wire rope is used for lifting a heavy object, the steel wire rope rotates to drive the wedge sleeve and the shaft sleeve I to rotate synchronously with the steel wire rope, the steel wire rope is prevented from being twisted and twisted together, when the steel wire rope is not used, the shaft sleeve can be locked and fixed by rotating the locking bolt, and the shaft sleeve is prevented from rotating under the action of self gravity.

Compared with the prior art, the beneficial effects of the utility model are that:

this anti-twist mechanism of tower crane wire rope through wedge cover, wedge body, axle sleeve one, axle sleeve two and the setting of preventing the twist shaft, when wire rope takes place to rotate, the axle sleeve rotates along with wire rope synchronization for a moment, avoids wire rope kink together to fine prevention wire rope self produces wearing and tearing, has prolonged wire rope's life.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic top view of the structure of FIG. 1 according to embodiment 1;

fig. 3 is a partial structural view of a platen in embodiment 1.

In the figure: 1. a wedge sleeve; 2. a wedge body; 3. a pin shaft; 4. a first shaft sleeve; 5. a gasket; 6. an ear mount; 7. fixing the bolt; 8. a second shaft sleeve; 9. a torsion-proof shaft; 10. pressing a plate; 11. a rubber pad; 12. an ear plate; 13. a bearing; 14. a nut; 15. a threaded collar; 16. and (4) locking bolts.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

The utility model provides a tower crane wire rope prevents turning round mechanism, as shown in fig. 1-3, including axle sleeve one 4 and prevent turning round axle 9, the welding has ear seat 6 on the inner wall of axle sleeve one 4, be equipped with wedge sleeve 1 on the ear seat 6, axle sleeve one 4, run through between ear seat 6 and the wedge sleeve 1 and be fixed with round pin axle 3, round pin axle 3 is located axle sleeve one 4 both sides department and all is equipped with packing ring 5, still weld bearing 13 on the inner wall of axle sleeve one 4, the through-hole has been seted up to the inside of preventing turning round axle 9, and weld axle sleeve two 8 in the through-hole, axle sleeve one 4 runs through the inside of pegging graft with axle sleeve two 8 and has fixing bolt 7, fixing bolt 7's terminal threaded connection has nut 14, the both ends of preventing turning round axle 9 all have otic placode 12 through the bolt fastening, fixing bolt 7 pegs graft on the inner ring of bearing.

In this embodiment, the wedge body 2 is embedded in the wedge sleeve 1, and the steel wire rope can be firmly fixed by penetrating the steel wire rope between the wedge sleeve 1 and the wedge body 2.

Specifically, a pressing plate 10 is arranged at the joint of the fixing bolt 7 and the nut 14, the pressing plate 10 is sleeved on the fixing bolt 7, and the pressing plate 10 can reduce the gap between the nut 14 and the second shaft sleeve 8, so that the fixing bolt 7 and the nut 14 are connected more stably.

Furthermore, rubber pads 11 are bonded on the outer walls of the two sides of the pressing plate 10, and the rubber pads 11 can increase the friction force between the pressing plate 10 and the second shaft sleeve 8, so that the pressing plate 10 is prevented from being driven to rotate when the nut 14 is screwed.

In addition, all weld on the one side outer wall that two otic placodes 12 kept away from each other threaded sleeve ring 15, the inside of otic placode 12 is located threaded sleeve ring 15 department and has seted up the through-hole, and the through-hole is linked together with threaded sleeve ring 15, threaded sleeve ring 15 internal thread is connected with the fitting pin 16, take place to rotate when wire rope lifts by crane the heavy object and can drive wedge cover 1 and axle sleeve 4 and wire rope synchronous rotation, avoid wire rope wrench movement kink together, when not using wire rope, it can fix axle sleeve 4 locking to rotate fitting pin 16, avoid axle sleeve 4 to receive self gravity to take place to rotate.

When the steel wire rope anti-twisting mechanism of the tower crane is used, the lug plate 12 is fixedly installed at the lifting end of the tower crane through the bolt, the steel wire rope penetrates and is fixed in the wedge sleeve 1 and the wedge body 2, when the tower crane rotates when a heavy object is lifted through the steel wire rope, the wedge sleeve 1 and the shaft sleeve I4 can be driven to synchronously rotate with the steel wire rope, and therefore the steel wire rope can be prevented from being twisted and twisted together, when the steel wire rope is not used, the shaft sleeve I4 can be locked and fixed by rotating the locking bolt 16, and the shaft sleeve I4 is prevented from rotating under the action of self gravity.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a mechanism is prevented turning round by tower crane wire rope, includes axle sleeve (4) and prevents turning round axle (9), its characterized in that: the anti-torsion shaft is characterized in that an ear seat (6) is welded on the inner wall of the first shaft sleeve (4), a wedge sleeve (1) is arranged on the ear seat (6), a pin shaft (3) penetrates and is fixed among the first shaft sleeve (4), the ear seat (6) and the wedge sleeve (1), gaskets (5) are arranged at two sides of the first shaft sleeve (4) on the pin shaft (3), a bearing (13) is welded on the inner wall of the first shaft sleeve (4), a through hole is formed in the anti-torsion shaft (9), a second shaft sleeve (8) is welded in the through hole, a fixing bolt (7) penetrates and is inserted into the first shaft sleeve (4) and the second shaft sleeve (8), a nut (14) is connected to the tail end of the fixing bolt (7) in a threaded manner, ear plates (12) are fixed at two ends of the anti-torsion shaft (9) through bolts, and the fixing bolt (7) is inserted into an inner ring of the bearing (, the first shaft sleeve (4) is rotatably connected with the fixing bolt (7).

2. The tower crane steel wire rope anti-twisting mechanism according to claim 1, wherein: the wedge body (2) is embedded in the wedge sleeve (1).

3. The tower crane steel wire rope anti-twisting mechanism according to claim 1, wherein: and a pressing plate (10) is arranged at the joint of the fixing bolt (7) and the nut (14), and the pressing plate (10) is sleeved on the fixing bolt (7).

4. The anti-twisting mechanism for the steel wire rope of the tower crane according to claim 3, wherein: rubber pads (11) are bonded on the outer walls of the two sides of the pressing plate (10).

5. The tower crane steel wire rope anti-twisting mechanism according to claim 1, wherein: two all welded on the one side outer wall that otic placode (12) kept away from each other has the screw thread lantern ring (15), the inside of otic placode (12) is located the through-hole has been seted up in screw thread lantern ring (15) department, and the through-hole with screw thread lantern ring (15) are linked together.

6. The anti-twisting mechanism for the steel wire rope of the tower crane according to claim 5, wherein: the thread lantern ring (15) is internally connected with a locking bolt (16).