CN211056523U

CN211056523U - Crawler crane hook

Info

Publication number: CN211056523U
Application number: CN201921924273.XU
Authority: CN
Inventors: 边叶松
Original assignee: Shanghai Xingyou Construction Machinery Co ltd
Current assignee: Shanghai Xingyou Construction Machinery Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-21
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a crawler crane lifting hook relates to crane lifting hook technical field, it includes the coupler body, connect the montant on coupler body upper portion, connect the wire winding portion on montant upper portion, the inside circular shape cavity that forms of coupler body, be formed with one between the coupler body and be used for placing the rope at the opening on coupler body upper portion, the swivel becket has been placed to coupler body inside, the lateral wall of swivel becket has first square piece along its length direction symmetric connection, the slip ring has been cup jointed to the one side that lies in the swivel becket on the coupler body, the slip ring corresponds first square piece department rigid coupling and has the square piece of second, pass through bolted connection between the square piece of second and the first square piece, the bottom of bolt all is connected with the nut. The utility model discloses have and accomplish the effect of the dead operation of normal lock to the great pendant of external diameter size.

Description

Crawler crane hook

Technical Field

The utility model belongs to the technical field of crane hook technique and specifically relates to a crawler crane hook is related to.

Background

At present, a lifting hook is a part used between a hanging piece and a crane steel cable for connection, the crane and the hanging piece are convenient to connect and detach through the lifting hook, the working efficiency of workers is improved, the current hook generally has a self-locking function along with the gradual improvement of safety awareness, the safety of the hanging piece in the operation process is guaranteed, and the current hook is still insufficient.

At present, chinese utility model patent that publication number is CN207072759U discloses a counter weight is from locking-type lifting hook, include by hook neck, hook body and gib head integrated into one piece's lifting hook, be equipped with the draw-in groove in the inboard of gib head, articulated on the hook neck have self-locking mechanism, self-locking mechanism establishes the counter weight square frame on the hook neck including the cover, the counter weight square frame articulates on the hook neck through the round pin axle, is equipped with the pothook with draw-in groove matched with in counter weight square frame and gib head one end an organic whole that is close to mutually.

The above prior art solutions have the following drawbacks: lifting the counterweight square frame by hand, enabling the hook to be close to the inner side of the hook body, placing the sling into the lifting hook, putting down the counterweight square frame, and enabling the end part of the hook to be clamped in the clamping groove by rotating the counterweight square frame around the pin shaft under the action of the dead weight of the counterweight square frame; when the outer diameter of the pendant is larger, the hook can be shielded by the pendant and can not normally restore the original position, thereby influencing the normal locking operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a crawler crane lifting hook accomplishes normal dead-lock operation to the great pendant of external diameter size.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a crawler crane lifting hook, includes the coupler body, connects montant on coupler body upper portion, connects the wire winding portion on montant upper portion, the inside circular shape cavity that forms of coupler body, be formed with one between the coupler body and be used for placing the rope at the opening on coupler body upper portion, the swivel has been placed to the coupler body inside, the lateral wall of swivel has first square piece along its length direction symmetric connection, the slip ring has been cup jointed to the one side that lies in the swivel on the coupler body, the slip ring corresponds first square piece department rigid coupling and has the square piece of second, pass through bolted connection between the square piece of second and the first square piece, the bottom of bolt all is connected with the nut.

Through adopting above-mentioned technical scheme, during the installation, place the swivel becket inside the coupler body, then place the slip ring in one side of swivel becket, pass first square piece and the square piece of second with the bolt, then with nut threaded connection on the bolt. When the rope fixing device is used, the rope is sleeved on the hook body, then the rotating ring is rotated, one end of the rotating ring is covered on the opening, and the rope is placed in the hook body stably; since the rotating ring covers the opening by rotating, a rope with a larger diameter can be used.

The utility model discloses further set up to, one side that the coupler body was kept away from to the swivel becket is connected with the riser.

Through adopting above-mentioned technical scheme, the rope is placed between riser and opening from the opening part, coupler body upward movement for there is article rope bottom pulling, and the inside wall lapse of coupler body just can be followed to the rope, just can promote riser lapse when the rope slides, and the riser then drives the swivel becket and rotates along the coupler body, and the swivel becket just can shelter from the opening part this moment, makes the rope can not follow the inside roll-off of coupler body.

The utility model discloses further set up to, the vertical cross-section of riser is convex.

By adopting the technical scheme, the rope is sleeved on the hook body, the side wall of the rope is attached to the side wall of the hook body, and the vertical plate is arranged to be arc-shaped, so that the connecting area between the vertical plate and the rope is large, and the use is convenient.

The utility model discloses further set up to, the slip ring is kept away from the first butt piece of one side fixedly connected with of swivel becket, the lateral wall rigid coupling of coupler body has second butt piece, be provided with the spring between first butt piece and the second butt piece, the both ends difference fixed connection of spring is on the lateral wall of first butt piece and second butt piece, be provided with spacing portion in the middle of the spring.

Through adopting above-mentioned technical scheme, when carrying out article transportation twice, need rotate the swivel becket many times, make the swivel becket shift out from the opening is inside, in order to transport article to the destination after, the rope is not atress, and the spring is popped out this moment, makes first butt piece move to one side of keeping away from the second butt piece, and first butt piece drives the riser and removes to opening one side, and the riser drives the rope and removes to opening one side to make the rope break away from the internal portion of hook.

The utility model discloses further set up to, spacing portion is the cylinder that fixed connection is close to second butt piece one side at first butt piece, second butt piece is passed to columniform one end, the cylinder is crooked along the coupler body.

Through adopting above-mentioned technical scheme, when the swivel becket drove first butt piece and rotates to second butt piece one side, the spring compression, the cylinder slided along second butt piece this moment, because the spring receives columniform spacing for the spring is put to comparatively accurate when removing, reduces the spring and takes place the pivoted condition.

The utility model discloses further set up to, the both ends of spring all are connected with the butt ring, the butt ring is connected with the first butt piece and the second butt piece of both sides respectively.

Through adopting above-mentioned technical scheme, be provided with the butt ring for the both ends of spring are connected comparatively steadily with between first butt piece and the second butt piece respectively.

The utility model discloses further set up to, the lateral wall of slip ring is connected with the sliding block, the gliding sliding tray of confession sliding block is seted up to the lateral wall of coupler body.

Through adopting above-mentioned technical scheme, when rotating for making the rotating ring, it is comparatively accurate, reduce the condition that takes place the dislocation between rotating ring and the opening, so be connected with the sliding block at the lateral wall of sliding ring, the sliding block slides inside the sliding tray for the sliding ring is comparatively stable when the coupler body rotates along, thereby makes the rotating ring of installing on the sliding ring comparatively accurate when rotating.

The utility model discloses further set up to, the lateral wall fixedly connected with flexion of coupler body.

Through adopting above-mentioned technical scheme, the upper portion at the flexion is placed earlier to the bottom of rope, then slides to the coupler body inside, makes things convenient for the staff to put into the coupler body with the rope from the opening inside, and it is comparatively convenient to use.

To sum up, the utility model discloses following beneficial effect has:

1. the rotating ring rotates relative to the hook body, so that the space in the hook body is utilized to the maximum, the inhaul cable with larger diameter can be placed in the hook body, and the application range is wider;

2. a vertical plate is arranged, and after the rope is placed into the hook body, the rope pushes the vertical plate to enable the rotating ring to rotate, so that the rotating ring covers the opening;

3. the sliding block slides inside the sliding groove, so that the sliding ring and the rotating ring are stable when rotating along the hook body, and the dislocation of the rotating ring is reduced.

Drawings

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

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Reference numerals: 1. a hook body; 11. a vertical rod; 12. a winding part; 13. an opening; 14. a bending section; 2. a rotating ring; 21. a second square block; 3. a slip ring; 31. a first square block; 32. a bolt; 33. a nut; 4. a vertical plate; 5. a first abutment block; 51. a second abutment block; 52. a spring; 521. a butting ring; 53. a limiting part; 531. a cylinder; 54. a slider; 55. a sliding groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a crawler crane lifting hook, including coupler body 1, fixed connection at the montant 11 on coupler body 1 upper portion, fixed connection is at winding portion 12 on montant 11 upper portion.

Referring to fig. 1, the coupler body 1 is the ring form, and the vertical cross-section of coupler body 1 is circular, has seted up opening 13 on the coupler body 1, and the contained angle that forms between opening 13 and the coupler body 1 centre of a circle is 90 degrees, and opening 13 is located the oblique upper portion of coupler body 1, fixedly connected with flexion 14 on the coupler body 1, and flexion 14 extends to the one side of keeping away from the coupler body 1, and during the use, the bottom of rope is placed earlier on the upper portion of flexion 14, then it can to slide to coupler body 1 inside.

Referring to fig. 1, a rotating ring 2 is arranged inside a hook body 1, the circumferential length of the rotating ring 2 is the same as that of the hook body 1, the vertical section of the rotating ring 2 is in a half circular ring shape, when the rotating ring 2 is installed inside the hook body 1, the rotating ring 2 is firstly divided into two parts along the length direction, and then the rotating rings 2 of the two parts are welded and connected.

Referring to fig. 2, in order to make the rotating ring 2 relatively stable when using with respect to the hook, the outer side wall of the hook body 1 is sleeved with the sliding ring 3, the sliding ring 3 abuts against the rotating ring 2, the outer side wall of the rotating ring 2 is symmetrically and fixedly connected with the second square block 21 along the extending direction of the hook body 1, the outer side wall of the sliding ring 3 is connected with the first square block 31 corresponding to the first square block 31, the second square block 21 is connected with the first square block 31 through the bolt 32, and the bottom of the bolt 32 is connected with the nut 33.

Referring to fig. 2, the inside wall fixedly connected with riser 4 of arc ring, the rope is placed between flexion 14 and riser 4, shifts up coupler body 1, and the rope bottom pulling has article, and the rope just can follow the inside wall lapse of coupler body 1, just can promote riser 4 lapse when the rope slides, and riser 4 then drives slip ring 3 and rotates along coupler body 1, and swivel ring 2 just can shelter from opening 13 department this moment for the rope can not follow the inside roll-off of coupler body 1.

Referring to fig. 2, in case of transporting articles twice or more, it is necessary to rotate the rotary ring 2 a plurality of times to remove the rotary ring 2 from the opening 13. In order to facilitate the transportation of the article to the destination, the rope is not stressed, and the rotating ring 2 is automatically opened, so that a first abutting block 5 is fixedly connected to one side of the sliding ring 3 away from the rotating ring 2, a second abutting block 51 is fixedly connected to the outer side wall of the hook body 1, a spring 52 is arranged between the first abutting block 5 and the second abutting block 51, abutting rings 521 are fixedly connected to both ends of the spring 52, and the abutting rings 521 are respectively fixedly connected to the side walls of the first abutting block 5 and the second abutting block 51.

Referring to fig. 2, in order to make the extension and retraction of the second spring 52 more accurate and reduce the deflection of the second spring 52, a limiting portion 53 is provided in the middle of the spring 52, the limiting portion 53 is a cylinder 531 having one end fixedly connected to one side of the first abutting block 5 opposite to the second abutting block 51, the other end of the cylinder 531 passes through the second abutting block 51 and can slide relative to the second abutting block 51, and the radian of the cylinder 531 is the same as the extension radian of the spring 52.

Referring to fig. 2, since the slide ring 3 may rotate during use, a slide block 54 is connected to a side wall of the slide ring 3, and a slide groove 55 for sliding the slide block 54 is formed in an outer side wall of the hook 1 away from the rotary ring 2.

This embodiment is when using, first butt joint piece 5 receives the elasticity of spring 52, first butt joint piece 5 makes riser 4 be close to one side of opening 13 through slip ring 3, place the rope between flexion 14 and riser 4, shift up coupler body 1, there is article rope bottom pulling, the inside wall lapse that coupler body 1 just can be followed to the rope, the spring 52 compression, first butt joint piece 5 is to second butt joint piece 51 one side removal, just can promote riser 4 lapse when the rope slides, riser 4 then drives slip ring 3 and rotates along coupler body 1, swivel ring 2 just can shelter from opening 13 department this moment.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a crawler crane lifting hook, includes coupler body (1), connects montant (11) on coupler body (1) upper portion, connects in winding portion (12) on montant (11) upper portion, its characterized in that: the rope-pulling hook is characterized in that a circular cavity is formed inside the hook body (1), an opening (13) used for placing a rope on the upper portion of the hook body (1) is formed between the hook body (1), a rotating ring (2) is placed inside the hook body (1), the inner diameter of the rotating ring (2) is larger than the length of the opening (13), a first square block (31) is symmetrically connected to the side wall of the rotating ring (2) along the length direction of the side wall of the rotating ring, a sliding ring (3) is sleeved on one side, located on the rotating ring (2), of the hook body (1), the sliding ring (3) is fixedly connected with a second square block (21) corresponding to the first square block (31), the second square block (21) is connected with the first square block (31) through a bolt (32), and the bottom of the bolt (32) is connected with a nut (33).

2. A crawler crane hook according to claim 1, wherein: one side of the rotating ring (2) far away from the hook body (1) is connected with a vertical plate (4).

3. A crawler crane hook according to claim 2, wherein: the vertical section of the vertical plate (4) is arc-shaped.

4. A crawler crane hook according to claim 1, wherein: the utility model discloses a rotating ring (2) for the automobile engine, including slip ring (3), the first butt joint piece of one side fixedly connected with (5) of swivel becket (2) are kept away from in slip ring (3), the lateral wall rigid coupling of coupler body (1) has second butt joint piece (51), be provided with spring (52) between first butt joint piece (5) and second butt joint piece (51), the both ends difference fixed connection of spring (52) is on the lateral wall of first butt joint piece (5) and second butt joint piece (51), be provided with spacing portion (53) in the middle of spring (52).

5. A crawler crane hook according to claim 4, wherein: spacing portion (53) are cylinder (531) that fixed connection is close to second butt joint piece (51) one side in first butt joint piece (5), second butt joint piece (51) are passed to the one end of cylinder (531), cylinder (531) are crooked along coupler body (1).

6. A crawler crane hook according to claim 4, wherein: the two ends of the spring (52) are connected with abutting rings (521), and the abutting rings (521) are respectively connected with the first abutting blocks (5) and the second abutting blocks (51) on the two sides.

7. A crawler crane hook according to claim 1, wherein: the side wall of the sliding ring (3) is connected with a sliding block (54), and the outer side wall of the hook body (1) is provided with a sliding groove (55) for the sliding block (54) to slide.

8. A crawler crane hook according to claim 1, wherein: the outer side wall of the hook body (1) is fixedly connected with a bending part (14).