CN214828319U - Tower crane hook pin shaft connecting device - Google Patents

Abstract

The utility model discloses a tower crane hook pin shaft connecting device, which comprises a left clamping plate, an upper cross rod and a lower cross rod, the middle part of the right end of the left clamping plate is fixedly connected with a transverse plate, the right end of the transverse plate is fixedly connected with the middle part of the left end of the right clamping plate, the inner side of the upper through hole is rotatably connected with a lantern ring, the outer side of the lantern ring is provided with two clamping grooves, the outer side of the lantern ring is provided with a limiting ring, the upper parts of the left splint and the right splint are respectively provided with two cavities which are respectively arranged at the upper side and the lower side of the upper through hole, a plurality of rotating rollers are arranged in the chamber and are contacted with the limiting ring, the left side and the right side of the upper cross rod are matched with the lantern ring, the lower cross rod is matched with the lower through hole, a first cap is arranged at the right end of the upper cross rod, clamping blocks are arranged on the front side and the rear side of the left end of the upper cross rod and on the front side and the rear side of the right end of the first cap, the clamping blocks are matched with the clamping grooves, and a second cap is arranged at the right end of the lower cross rod. The utility model discloses in, the protection couple is worth wideling popularize.

Description

Tower crane hook pin shaft connecting device

Technical Field

The utility model relates to a tower crane equipment field especially relates to a tower crane hook pin shaft connecting device.

Background

According to the use safety management regulation of the steel wire rope, the included angle of the steel wire rope during hoisting heavy objects is generally not more than 90 degrees and not more than 120 degrees at most, otherwise the steel wire rope is easily broken, the hanging ring of a component during hoisting is straight, and when the intersection angle of the hanging rope and the hoisting component is less than 60 degrees, a hanging bracket or a hoisting carrying pole is arranged, so that the hanging ring is stressed vertically as much as possible, the stress of the steel wire rope is not stressed vertically, and the steel wire rope is directly contacted with a hook, so that the abrasion of the steel wire rope is aggravated, particularly long objects are hoisted, the included angle of the steel wire rope exceeds 90 degrees, and the potential safety hazard of unhooking of the steel wire rope also exists.

After the shoulder pole iron is arranged, the steel wire rope is not in contact with the big hook, so that the abrasion of the steel wire rope is reduced, the risk of unhooking of the steel wire rope for hoisting the overlong object is eliminated, and the situation that the shoulder pole iron is in contact with the big hook to abrade the big hook exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a tower crane hook pin shaft connecting device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a tower crane hook pin shaft connecting device comprises a left clamp plate, an upper cross rod and a lower cross rod, wherein the middle part of the right end of the left clamp plate is fixedly connected with a transverse plate, the right end of the transverse plate is fixedly connected with the middle part of the left end of the right clamp plate, the upper parts of the left clamp plate and the right clamp plate are respectively provided with an upper through hole, the lower parts of the left clamp plate and the right clamp plate are respectively provided with a lower through hole, the inner side of the upper through hole is rotatably connected with a lantern ring, the outer side of the lantern ring is provided with two clamping grooves, the outer side of the lantern ring is provided with a limiting ring, the upper parts of the left clamp plate and the right clamp plate are respectively provided with two cavities, the two cavities are respectively arranged at the upper and lower sides of the upper through hole, a plurality of rotating rollers are arranged in the cavities and are contacted with the limiting rings, the left and right sides of the upper cross rod are matched with the lantern rings, the lower cross rod is matched with the lower through hole, the right end of the upper cross rod is provided with a first cap, the front and back sides of the left end and the front and back sides of the first cap are both provided with clamping blocks and matched with the clamping grooves, and a second cover cap is arranged at the right end of the lower cross rod.

As a further description of the above technical solution:

and the left end of the lower cross rod is provided with a side wing.

As a further description of the above technical solution:

and a side wing is arranged at the right end of the second cover cap.

As a further description of the above technical solution:

the diaphragm left and right sides all is provided with four terrace with edges.

As a further description of the above technical solution:

the upper cross rod is matched with the hook.

As a further description of the above technical solution:

the lower cross bar is matched with the shoulder pole iron.

As a further description of the above technical solution:

the first cover cap and the upper cross rod are in transition fit.

As a further description of the above technical solution:

the second cover cap and the lower cross bar are in transition fit.

The utility model discloses following beneficial effect has:

the utility model discloses in, set up the connecting piece between tower crane couple and the shoulder pole iron, couple and shoulder pole iron cooperate with last horizontal pole and sheer pole respectively, utilize last horizontal pole to replace wire rope and couple cooperation, and the tower crane is when moving object, the shoulder pole iron drives left splint and right splint and rotates, it makes left splint and right splint rotate around the horizontal pole through draw-in groove and fixture block to go up the horizontal pole, make horizontal pole and couple keep relative static, avoid producing the friction, the protection couple, reducing wear, thereby improve the life of couple, the requirement of essential safety has been reached, economic benefits is improved, and is worth wideling popularize.

Drawings

FIG. 1 is a perspective view of a tower crane hook pin shaft connecting device according to the present invention;

fig. 2 is a side view of the tower crane hook pin shaft connecting device provided by the utility model;

FIG. 3 is a front view of the tower crane hook pin shaft connecting device according to the present invention;

fig. 4 is a schematic view of an upper cross bar of the tower crane hook pin shaft connecting device provided by the utility model;

fig. 5 is the utility model provides a tower crane hook pin shaft connecting device's sheer pole schematic diagram.

Illustration of the drawings:

1. a left splint; 2. a right splint; 3. a transverse plate; 4. an upper through hole; 5. a lower through hole; 6. a collar; 7. a card slot; 8. a limiting ring; 9. a chamber; 10. rotating the roller; 11. an upper cross bar; 12. a lower cross bar; 13. a first cap; 14. a clamping block; 15. a side wing; 16. a second cap.

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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a tower crane hook pin shaft connecting device, including left splint 1, entablature 11 and sheer pole 12, 1 right-hand member middle part fixedly connected with diaphragm 3 of left splint, 3 right-hand member fixed connection of diaphragm are in 2 left end middle parts of right splint, left splint 1 and 2 upper portions of right splint all are provided with through-hole 4, left splint 1 and 2 lower parts of right splint all are provided with down through-hole 5, 4 inboard rotations of last through-hole are connected with lantern ring 6, 6 outside of lantern ring is provided with two draw-in grooves 7, 6 outside of lantern ring is provided with spacing ring 8, left splint 1 and 2 upper portions of right splint all are provided with two cavities 9 and two cavities 9 set up respectively in 4 upper and lower both sides at last through-hole, cavity 9 is inside to be provided with a plurality of commentaries on classics roller 10 and spacing ring 8 contact, 11 left and right sides and lantern ring 6 cooperation on the entablature of entablature, sheer pole 12 and the cooperation of sheer pole 5 down through-hole, 11 right-hand member is provided with first block 13, both sides around 11 left-hand member around both sides of entablature and first block 13 are provided with fixture block 14 and first block 14 around both sides Draw-in groove 7 cooperation, sheer pole 12 right-hand member is provided with second block 16, in the above-mentioned structure, the tower crane is when hoisting the object, go up horizontal pole 11 and sheer pole 12 and connect the tower crane respectively and be hoisted the object, the tower crane is at the in-process of transporting the object, the object can make left splint 1 and right splint 2 be certain contained angle with vertical direction because of inertia, it drives lantern ring 6 certain angle of rotation in last through-hole 4 through fixture block 14 and draw-in groove 7 to go up horizontal pole 11, the rotor 10 in the cavity 9 supports horizontal pole 11 through supporting spacing ring 8, rotor 10 replaces the sliding friction between lantern ring 6 and spacing ring 8 and left splint 1 and the right splint 2 through the rolling friction of self.

The left end of the lower cross rod 12 is provided with a side wing 15, the right end of the second cover cap 16 is provided with the side wing 15, the lower cross rod 12 is limited, the left side and the right side of the transverse plate 3 are provided with quadrangular frustum pyramid, the contact area of the transverse plate 3 with the left clamping plate 1 and the right clamping plate 2 is increased, the connection strength is increased, the upper cross rod 11 is matched with a hook, the lower cross rod 12 is matched with a carrying pole, the first cover cap 13 is in transition fit with the upper cross rod 11, the second cover cap 16 is in transition fit with the lower cross rod 12, and certain friction force is generated between the first cover cap 13 and the second cover cap 16 as well as the upper cross rod 11 and the lower cross rod 12.

The working principle is as follows: when the tower crane hoists the object, go up horizontal pole 11 and sheer pole 12 and connect couple and shoulder pole iron respectively, the couple is at the in-process of carrying the object, the object can make left splint 1 and right splint 2 be certain contained angle with vertical direction because of inertia, it drives lantern ring 6 and rotates certain angle in last through-hole 4 to go up horizontal pole 11 through fixture block 14 and draw-in groove 7, change roller 10 in the cavity 9 and support horizontal pole 11 through supporting spacing ring 8, change roller 10 and replace lantern ring 6 and spacing ring 8 and the sliding friction between left splint 1 and the right splint 2 through the rolling friction of self, make up horizontal pole 11 and couple not take place relative motion, avoid wearing and tearing couple.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (8)

1. The utility model provides a tower crane hook pin shaft connecting device, includes left splint (1), last horizontal pole (11) and sheer pole (12), its characterized in that: the middle part of the right end of the left clamping plate (1) is fixedly connected with a transverse plate (3), the right end of the transverse plate (3) is fixedly connected with the middle part of the left end of the right clamping plate (2), the upper parts of the left clamping plate (1) and the right clamping plate (2) are respectively provided with an upper through hole (4), the lower parts of the left clamping plate (1) and the right clamping plate (2) are respectively provided with a lower through hole (5), the inner side of the upper through hole (4) is rotatably connected with a lantern ring (6), the outer side of the lantern ring (6) is provided with two clamping grooves (7), the outer side of the lantern ring (6) is provided with a spacing ring (8), the upper parts of the left clamping plate (1) and the right clamping plate (2) are respectively provided with two cavities (9), a plurality of rotating rollers (10) are arranged in the cavities (9) and the rotating rollers (10) are contacted with the spacing ring (8), the left and right sides of the upper cross rod (11) are matched with the lantern ring (6), bottom end rail (12) and lower through-hole (5) cooperation, it is provided with first block (13) to go up horizontal pole (11) right-hand member, both sides and first block (13) right-hand member both sides all are provided with fixture block (14) and draw-in groove (7) cooperation around going up horizontal pole (11) left end, bottom end rail (12) right-hand member is provided with second block (16).

2. The tower crane hook pin connecting device according to claim 1, characterized in that: and a side wing (15) is arranged at the left end of the lower cross bar (12).

3. The tower crane hook pin connecting device according to claim 1, characterized in that: and a side wing (15) is arranged at the right end of the second cover cap (16).

4. The tower crane hook pin connecting device according to claim 1, characterized in that: the left side and the right side of the transverse plate (3) are both provided with quadrangular tables.

5. The tower crane hook pin connecting device according to claim 1, characterized in that: the upper cross rod (11) is matched with the hook.

6. The tower crane hook pin connecting device according to claim 1, characterized in that: the lower cross bar (12) is matched with the shoulder pole iron.

7. The tower crane hook pin connecting device according to claim 1, characterized in that: the first cover cap (13) and the upper cross rod (11) are in transition fit.

8. The tower crane hook pin connecting device according to claim 1, characterized in that: the second cover cap (16) and the lower cross bar (12) are in transition fit.

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