CN216687097U

CN216687097U - Self-locking lifting appliance convenient for adjusting gravity center for excavator

Info

Publication number: CN216687097U
Application number: CN202220196533.1U
Authority: CN
Inventors: 周建慈; 林广平; 黄云丰; 和清; 张泰珊; 洪冲; 刘成
Original assignee: Zhanjiang Port Group Co Ltd
Current assignee: Zhanjiang Port Group Co Ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-07
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a self-locking lifting appliance for an excavator, which is convenient for adjusting the gravity center, and comprises a turntable ring, wherein the turntable ring is movably arranged on the outer side of a turntable, a lifting rod is fixedly arranged in the middle of the turntable, the upper end of the lifting rod is provided with a lifting ring, the turntable ring forms a rotating structure through the turntable and the lifting ring, two hand-screwed bolts are symmetrically arranged on the upper side of the turntable ring in a left-right mode, the lower sides of the hand-screwed bolts are movably connected with the turntable, two balancing rods are symmetrically arranged on the left side and the right side of the turntable ring, large clamps are arranged on the lower sides of two side rotating shafts, connecting rods are connected to the upper sides of the side rotating shafts, the connecting rods form a rotating structure through the side rotating shafts and the large clamps, a lower rotating shaft is arranged in the middle of the large clamps, an internal thread sleeve is arranged on the lower side of the large clamps, and a threaded rod is transversely arranged in the middle of the internal thread sleeve. This self-locking type hoist for excavator convenient to adjustment focus can adjust the focus to make things convenient for centre gripping dysmorphism article, and be provided with the little clamp that can adjust interval, make things convenient for the centre gripping little article.

Description

Self-locking lifting appliance convenient for adjusting gravity center for excavator

Technical Field

The utility model relates to the technical field of excavator lifting appliances, in particular to a self-locking lifting appliance for an excavator, which is convenient for adjusting the gravity center.

Background

One of the main engineering machines in engineering construction during excavator, excavator not only can be used for digging earth, can also dismantle the bucket and change the hoist for lift by crane the operation, and the hoist that excavator was used often all is from locking type hoist, presss from both sides the article through the dead weight of article to lift by crane.

Like an excavator hoist of publication CN204897169U, it has elastic baffle to lie in that the left side bears the post to articulate, after the supporting wheel that waits to transport is well in the couple joint, the operator can with elastic baffle's free end with lie in the right side and bear the post joint to prevent that the supporting wheel from droing from the couple, elastic baffle's free end is equipped with the arc draw-in groove that can accept post looks joint with the right side. The designed arc-shaped clamping groove is a specific implementation mode that the free end of the preferable baffle plate can be clamped with the bearing column on the right side, clamping is convenient, particularly, the radian of the arc-shaped clamping groove is 180-270 degrees, the arc-shaped clamping groove can realize connection between the arc-shaped clamping groove and the bearing column, clamping tightness can be guaranteed, and the device has certain defects;

1. when some special-shaped articles are lifted by the self-locking lifting appliance for the existing excavator, the gravity center of the special-shaped articles is not positioned under the lifting appliance, so that the lifting appliance is inclined, and the lifting appliance is easy to fall off.

2. When the existing self-locking lifting appliance for the excavator clamps some small articles, the small articles are often not clamped because the clamp is large, and the small articles are not convenient to clamp.

Aiming at the problems, innovative design is urgently needed on the basis of the self-locking lifting appliance for the original excavator.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-locking lifting appliance for an excavator, which is convenient for adjusting the gravity center, and aims to solve the problems that when the existing self-locking lifting appliance for the excavator is used for lifting some special-shaped articles, the gravity center of the special-shaped articles is not positioned under the lifting appliance, so that the lifting appliance is inclined, the lifting appliance is easy to fall off, and when the existing self-locking lifting appliance for the excavator clamps some small articles, the small articles are often not clamped due to the large calipers, and the small articles are inconvenient to clamp.

In order to achieve the purpose, the utility model provides the following technical scheme: a self-locking type lifting appliance convenient for adjusting gravity center for an excavator comprises:

the rotary disc ring is movably arranged on the outer side of the rotary disc, a hanging rod is fixedly arranged in the middle of the rotary disc, a hanging ring is arranged at the upper end of the hanging rod, the rotary disc ring and the hanging ring form a rotating structure through the rotary disc, two hand-screwed bolts are symmetrically arranged on the upper side of the rotary disc ring in a left-right mode, the lower sides of the hand-screwed bolts are movably connected with the rotary disc, two balancing rods are symmetrically arranged on the left side and the right side of the rotary disc ring in a left-right mode, positioning clamping grooves are formed in the rear sides of the balancing rods at equal intervals, and limiting blocks are fixedly arranged at the other ends of the balancing rods;

big clamp, its downside at two side pivots is installed to it, and the side pivot upside is connected with the connecting rod to the connecting rod forms rotating-structure through side pivot and big clamp, the pivot is down installed to the centre of the big clamp, big clamp downside is installed the internal thread cover, and transversely installs the threaded rod in the middle of the internal thread cover, and the inboard swing joint of threaded rod has the guide arm.

Preferably, the balance bar is further provided with:

the balancing weight is installed on the right side of the balancing rod, a clip is movably installed on the inner side of the balancing weight, and a button is installed on the front side of the clip.

Preferably, the clip is further provided with:

the clamping block is arranged on the inner side of the clip, is movably connected with the positioning clamping groove, and is provided with a spring on the right side;

the spring is installed on the right side inside the balancing weight, and the clip forms a sliding structure with the balancing weight through the spring.

Preferably, the boom is further provided with:

go up the pivot, its downside at the jib is installed to it, just go up pivot downside bilateral symmetry and be connected with two connecting rods to two connecting rods form rotating-structure through last pivot and jib.

Preferably, the threaded rod is further provided with:

the small clamp is arranged on the left side of the threaded rod, a guide rod is arranged on the upper side of the right end of the small clamp, and the small clamp and the internal thread sleeve form a sliding structure through the threaded rod and the guide rod;

and a cross handle is installed at the right end of the threaded rod.

Compared with the prior art, the utility model has the beneficial effects that: this self-locking type hoist for excavator convenient to adjustment focus can adjust the focus to make things convenient for centre gripping dysmorphism article, and be provided with the little clamp that can adjust interval, make things convenient for the centre gripping little article.

1. The carousel ring passes through the carousel and forms revolution mechanic with rings, the carousel ring upside bilateral symmetry installs two hands and twists the bolt, the hand is twisted bolt downside swing joint and is had the carousel, two balancing poles are installed to carousel ring left and right sides symmetry, the balancing weight is installed in the right side of balancing pole, adjust the focus of hoist through the balancing weight on the balancing pole of the slip left and right sides, adjust centrobaric angle through rotating the carousel ring, the focus of the centre gripping article of cooperation, thereby keep balance when the hoist.

2. The internal thread cover is installed to the big clamp downside, transversely installs the threaded rod in the middle of the internal thread cover, and the small tong is installed in the left side of threaded rod, and the small tong passes through the threaded rod and the guide arm forms sliding construction with the internal thread cover, and the cross handle is installed to the threaded rod right-hand member, rotates the cross handle for the threaded rod rotates, and the small tong slides through threaded rod and guide arm, thereby reduces two small tong intervals, makes things convenient for the centre gripping smallclothes article.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional front view of the present invention;

FIG. 3 is a schematic side view of a conveyor belt according to the utility model;

FIG. 4 is a schematic cross-sectional front view of the lift cage of the present invention;

fig. 5 is a schematic sectional front view of the elevator car of the present invention.

In the figure: 1. a hoisting ring; 2. a boom; 3. a turntable; 4. a turntable ring; 5. screwing the bolt by hand; 6. a balancing pole; 7. positioning the clamping groove; 8. a limiting block; 9. a balancing weight; 10. pressing a key; 11. buckling in a shape of Chinese character 'hui'; 12. a clamping block; 13. a spring; 14. an upper rotating shaft; 15. a connecting rod; 16. a side rotating shaft; 17. a large clamp; 18. a lower rotating shaft; 19. an internal thread sleeve; 20. a threaded rod; 21. a cross-shaped handle; 22. a small clamp; 23. a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a self-locking type lifting appliance convenient for adjusting gravity center for an excavator comprises: the device comprises a lifting ring 1, a lifting rod 2, a rotary table 3, a rotary table ring 4, a hand-screwed bolt 5, a balancing rod 6, a positioning clamping groove 7, a limiting block 8, a balancing weight 9, a key 10, a clip 11, a clamping block 12, a spring 13, an upper rotating shaft 14, a connecting rod 15, a side rotating shaft 16, a large clamp 17, a lower rotating shaft 18, an internal thread sleeve 19, a threaded rod 20, a cross-shaped handle 21, a small clamp 22 and a guide rod 23;

referring to fig. 1, 2, 3 and 4, a turntable ring 4 is movably mounted on the outer side of a turntable 3, a suspension rod 2 is fixedly mounted in the middle of the turntable 3, a suspension ring 1 is mounted at the upper end of the suspension rod 2, the turntable ring 4 forms a rotating structure with the suspension ring 1 through the turntable 3, two hand-screwed bolts 5 are symmetrically mounted on the upper side of the turntable ring 4 in the left-right direction, the turntable 3 is movably connected to the lower side of the hand-screwed bolt 5, two balancing rods 6 are symmetrically mounted on the left side and the right side of the turntable ring 4, positioning slots 7 are equidistantly formed in the rear sides of the balancing rods 6, a limiting block 8 and a balancing weight 9 are fixedly mounted at the other end of the balancing rods 6, a clip 11 is movably mounted on the inner side of the balancing weight 9, a key 10 is mounted on the front side of the clip 11, a clamping block 12 is mounted on the inner side of the clip 11, and the clamping block 12 is movably connected with the positioning slots 7, a spring 13 is arranged on the right side of a clip 11, a spring 13 is arranged on the right side inside a balancing weight 9, and the clip 11 and the balancing weight 9 form a sliding structure through the spring 13, firstly, the hanging ring 1 is arranged on the excavator, when an article is clamped, the gravity center of the whole lifting appliance is adjusted according to the gravity center of the article, a button 10 on the balancing weight 9 is pressed down, so that the clip 11 drives a clamping block 12 to move backwards, the clamping block 12 is separated from a positioning clamping groove 7 on a balancing rod 6, then, the balancing weight 9 is slid on the balancing rod 6, the gravity center of the lifting appliance is adjusted by adjusting the distance between the two balancing weights 9, two hand-screwed bolts 5 are loosened, then, a rotating disc ring 4 is rotated to adjust the angle of the gravity center, and the gravity center of the clamped article is kept balanced;

referring to fig. 4 and 5, a large clamp 17 is installed at the lower side of two side rotating shafts 16, a connecting rod 15 is connected to the upper side of each side rotating shaft 16, the connecting rod 15 and the large clamp 17 form a rotating structure through each side rotating shaft 16, a lower rotating shaft 18 is installed in the middle of the large clamp 17, an internal thread sleeve 19 is installed at the lower side of the large clamp 17, a threaded rod 20 is transversely installed in the middle of the internal thread sleeve 19, a guide rod 23 is movably connected to the inner side of the threaded rod 20, an upper rotating shaft 14 is installed at the lower side of a boom 2, two connecting rods 15 are bilaterally and symmetrically connected to the lower side of the upper rotating shaft 14, the two connecting rods 15 and the boom 2 form a rotating structure through the upper rotating shaft 14, a small clamp 22 is installed at the left side of the threaded rod 20, a guide rod 23 is installed at the upper side of the right end of the small clamp 22, a sliding structure is formed by the small clamp 22 and the internal thread sleeve 19 through the threaded rod 20 and the guide rod 23, a cross handle 21 is installed at the right end of the threaded rod 20, when in lifting, an object is placed on the lower side of the large clamp 17, the excavator lifts the suspender 2 upwards, meanwhile, the connecting rod 15 rotates with the suspender 2 through the upper rotating shaft 14, the large clamp 17 rotates with the connecting rod 15 through the side rotating shaft 16, the large clamp 17 clamps the object, and therefore the lifting work is carried out, when some small objects are clamped, the cross handles 21 on two sides are rotated, the threaded rod 20 rotates, the small clamp 22 slides inwards through the threaded rod 20 and the guide rod 23, the distance between the two small clamps 22 is reduced, and the object is clamped through the small clamp 22.

The working principle is as follows: when the device is used, firstly, according to the structure shown in the figures 1-4, the lifting ring 1 is installed on an excavator, when an article is clamped, the gravity center of the whole lifting appliance is adjusted according to the gravity center of the article, the button 10 on the balancing weight 9 is pressed down, the clip block 12 is driven by the clip 11 to move backwards, the clip block 12 is separated from the positioning clip groove 7 on the balancing rod 6, then the balancing weight 9 is slid on the balancing rod 6, the distance between the two balancing weights 9 is adjusted, the gravity center of the lifting appliance is adjusted, the two hand-screwed bolts 5 are loosened, and then the turntable ring 4 is rotated to adjust the angle of the gravity center, so that the gravity center is kept balanced with the gravity center of the clamped article;

according to the figures 4-5, when in lifting, an object is placed on the lower side of the large clamp 17, the excavator lifts the suspender 2 upwards, the connecting rod 15 rotates with the suspender 2 through the upper rotating shaft 14, the large clamp 17 rotates with the connecting rod 15 through the side rotating shaft 16, the large clamp 17 clamps the object, and then the lifting work is carried out, when some small objects are clamped, the cross handles 21 on the two sides are rotated, the threaded rod 20 rotates, the small clamp 22 slides inwards through the threaded rod 20 and the guide rod 23, so that the distance between the two small clamps 22 is reduced, and the small clamp 22 clamps the object.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a from lock type hoist for excavator convenient to adjustment focus which characterized in that includes:

2. The self-locking type spreader for excavators facilitating adjustment of center of gravity according to claim 1, wherein the stabilizer bar is further provided with:

3. The self-locking type lifting appliance for excavators, which is convenient for adjusting the center of gravity according to claim 2, wherein the clip is further provided with:

4. The self-locking type spreader for excavators facilitating adjustment of the center of gravity according to claim 1, wherein the boom is further provided with:

go up the pivot, it is installed in the downside of jib, just it is connected with two connecting rods to go up pivot downside bilateral symmetry to two connecting rods form rotating-structure through last pivot and jib.

5. The self-locking type spreader for excavators convenient for adjusting the center of gravity according to claim 1, characterized in that the threaded rod is further provided with:

and a cross handle is installed at the right end of the threaded rod.