CN214653042U

CN214653042U - Grab bucket for elevator

Info

Publication number: CN214653042U
Application number: CN202120792276.3U
Authority: CN
Inventors: 马剑清; 马琪
Original assignee: SUZHOU NIUKANGTE HYDRAULIC LIFTING MACHINERY CO LTD
Current assignee: SUZHOU NIUKANGTE HYDRAULIC LIFTING MACHINERY CO LTD
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-09
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses a grab bucket for lift, including support frame, drive frame, driven gear, base and buckle, the base is installed to the bottom of support frame, and the top and the support frame fixed connection of base to the support frame outside of base below is equipped with two sets of grab bucket bodies, the internally mounted of grab bucket body has the bracing piece, and the both ends of bracing piece all with grab bucket body fixed connection to the surface of bracing piece all overlaps and is equipped with auxiliary frame, auxiliary frame's top is equipped with the hinge pin, and auxiliary frame is connected with the base through the hinge pin to the support frame outside of base top is equipped with the supporting seat, the inside of supporting seat is equipped with spacing recess, and the outer wall and the supporting seat fixed connection of spacing recess to the inside of spacing recess is equipped with spacing lug. The utility model discloses not only realized the stable drive of lift grab, increased the working range of lift grab, prolonged the life of lift grab moreover.

Description

Grab bucket for elevator

Technical Field

The utility model relates to a grab bucket technical field specifically is a grab bucket for lift.

Background

The hydraulic grab bucket is provided with an opening and closing structure and is generally driven by a hydraulic oil cylinder, the hydraulic grab bucket consisting of a plurality of jaw plates is also called as a hydraulic claw, the hydraulic grab bucket is widely applied to hydraulic special equipment, such as a hydraulic excavator, a hydraulic hoisting tower and the like, the common crane grab bucket is in a shell shape and a multi-petal shape in daily use, the shell-shaped grab bucket grabs and loads and unloads bulk materials by opening and closing two combined buckets on the left and the right, the hydraulic grab bucket is mainly used in the fields of sand making yards, coal mines, mines and foundation construction and is used for completing the grabbing and hoisting work of the bulk materials such as gravels, coal dust, coal blocks, earth stones, earth and the like, and the existing elevator grab bucket still has some defects to be improved when in use.

The grab bucket on the market is various and can basically meet the use requirements of people, but certain problems still exist, and the following points exist in the concrete problems:

(1) the existing grab bucket is generally inconvenient to stably drive when in use, so that the convenience degree of the grab bucket when in use is seriously influenced;

(2) the existing grab bucket is inconvenient to work reliably when in use, so that the reliability of the grab bucket in use is greatly influenced;

(3) the existing grab bucket is not convenient for angle adjustment in use, thereby bringing great trouble to people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grab bucket for lift to provide the grab bucket and be not convenient for stable drive, reliable work, the problem of the regulation of angle in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a grab bucket for lift, includes support frame, drive frame, driven gear, base and buckle, the base is installed to the bottom of support frame, and the top and the support frame fixed connection of base to the support frame outside of base below is equipped with two sets of grab bucket bodies, the internally mounted of grab bucket body has the bracing piece, and the both ends of bracing piece all with grab bucket body fixed connection to the surface of bracing piece all overlaps and is equipped with auxiliary frame, auxiliary frame's top is equipped with articulated round pin, and auxiliary frame is connected with the base through articulated round pin, and the support frame outside of base top is equipped with the supporting seat, the inside of supporting seat is equipped with spacing recess, and the outer wall and the supporting seat fixed connection of spacing recess to the inside of spacing recess is equipped with spacing lug.

Preferably, driven gear is installed to the bottom of spacing lug, and driven gear's top and spacing lug fixed connection to the drive frame is installed to driven gear's bottom.

Preferably, the supporting seat internally mounted of driven gear one side has servo motor, and servo motor's output passes through the shaft coupling and installs the pivot to servo motor's one end is kept away from in the pivot is installed the driving gear, has realized the regulation of lift grab bucket angle.

Preferably, a rotating frame is fixed on the surface of the supporting rod, a linkage arm is arranged at the top end of the rotating frame, and two ends of the linkage arm are both provided with hinged buckles.

Preferably, the outer wall of the rotating frame is provided with a buckle, and the outer wall of the support frame above the buckle is provided with two groups of cylinders.

Preferably, the push rod is all installed to the bottom of cylinder, and the bottom of push rod extends to the inside of buckle, has realized the stable drive of lift grab bucket.

Compared with the prior art, the beneficial effects of the utility model are that: the grab bucket not only realizes the stable driving of the elevator grab bucket, increases the working range of the elevator grab bucket, but also prolongs the service life of the elevator grab bucket;

(1) the two groups of cylinders are opened by operating an external switch, the cylinders drive the push rods to move, the push rods drive the rotating frames to rotate under the matching of the buckles, the rotating frames drive the supporting rods to rotate, so that the grab bucket body is driven by the supporting rods to rotate, the linkage arms drive the rotating frames to be linked under the matching of the hinged buckles, and the two groups of cylinders are jointly matched to control the opening motion of the grab bucket body, so that the stable driving of the elevator grab bucket is realized, and the stability of the elevator grab bucket during working is improved;

(2) the supporting rod and the grab bucket body are installed together, the auxiliary frame and the supporting rod are installed together, the auxiliary frame is connected with the base through the hinge pin, when the grab bucket body rotates, the supporting rod drives the auxiliary frame to rotate, and the base carries out limiting support on the auxiliary frame, so that the grab bucket body rotates stably, the reliable work of the elevator grab bucket is realized, and the service life of the elevator grab bucket is prolonged;

(3) open servo motor through operating external switch, servo motor drive pivot is rotated, the pivot drives the driving gear rotatory, drive driven gear rotation under driving gear and driven gear's cooperation, under the support of supporting seat, under spacing lug and spacing recess spacing, driven gear drive frame rotates, the drive frame drives the support frame and rotates, support frame drive grab bucket body rotates, come to adjust the angle of grab bucket body, the regulation of lift grab bucket angle has been realized, the working range of lift grab bucket has been increased.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

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

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is a schematic view of a side-view section structure of the grab bucket of the present invention.

In the figure: 1. a support frame; 2. a driving frame; 3. a driven gear; 4. a supporting seat; 5. a limiting bump; 6. a limiting groove; 7. a driving gear; 8. a servo motor; 9. a rotating shaft; 10. an auxiliary frame; 11. a support bar; 12. a grab bucket body; 13. a hinge pin; 14. a base; 15. a cylinder; 16. a push rod; 17. a rotating frame; 18. buckling; 19. a hinge joint buckle; 20. a linkage arm.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a grab bucket for a lift comprises a support frame 1, a driving frame 2, a driven gear 3, a base 14 and a buckle 18, wherein the base 14 is installed at the bottom end of the support frame 1, the top end of the base 14 is fixedly connected with the support frame 1, two groups of grab bucket bodies 12 are arranged outside the support frame 1 below the base 14, support rods 11 are installed inside the grab bucket bodies 12, two ends of each support rod 11 are fixedly connected with the grab bucket bodies 12, auxiliary frames 10 are sleeved on the surfaces of the support rods 11, hinge pins 13 are arranged at the top ends of the auxiliary frames 10, the auxiliary frames 10 are connected with the base 14 through the hinge pins 13, and a support seat 4 is arranged outside the support frame 1 above the base 14;

when the elevator grab bucket is used, the supporting rod 11 and the grab bucket body 12 are installed together, the auxiliary frame 10 and the supporting rod 11 are installed together, the auxiliary frame 10 is connected with the base 14 through the hinge pin 13, when the grab bucket body 12 rotates, the supporting rod 11 drives the auxiliary frame 10 to rotate, and the base 14 carries out limiting support on the auxiliary frame 10, so that the grab bucket body 12 rotates stably, the reliable operation of the elevator grab bucket is realized, and the service life of the elevator grab bucket is prolonged;

a limiting groove 6 is formed in the supporting seat 4, the outer wall of the limiting groove 6 is fixedly connected with the supporting seat 4, a limiting lug 5 is arranged in the limiting groove 6, a driven gear 3 is mounted at the bottom end of the limiting lug 5, the top end of the driven gear 3 is fixedly connected with the limiting lug 5, a driving frame 2 is mounted at the bottom end of the driven gear 3, a servo motor 8 is mounted in the supporting seat 4 on one side of the driven gear 3, the type of the servo motor 8 is MR-J2S-20A, a rotating shaft 9 is mounted at the output end of the servo motor 8 through a coupler, and a driving gear 7 is mounted at one end, away from the servo motor 8, of the rotating shaft 9;

when the elevator grab bucket is used, the servo motor 8 is turned on by operating an external switch, the servo motor 8 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the driving gear 7 to rotate, the driven gear 3 is driven to rotate under the matching of the driving gear 7 and the driven gear 3, the driven gear 3 drives the driving frame 2 to rotate under the supporting of the supporting seat 4 and under the limiting of the limiting lug 5 and the limiting groove 6, the driving frame 2 drives the supporting frame 1 to rotate, the supporting frame 1 drives the grab bucket body 12 to rotate, so that the angle of the grab bucket body 12 is adjusted, the adjustment of the angle of the elevator grab bucket is realized, and the working range of the elevator grab bucket is increased;

a rotating frame 17 is fixed on the surface of the supporting rod 11, a linkage arm 20 is arranged at the top end of the rotating frame 17, two ends of the linkage arm 20 are provided with hinged buckles 19, a buckle 18 is arranged on the outer wall of the rotating frame 17, two groups of cylinders 15 are arranged on the outer wall of the supporting frame 1 above the buckle 18, the types of the cylinders 15 are SCJ50X100-50-S-FA, push rods 16 are arranged at the bottom ends of the cylinders 15, and the bottom ends of the push rods 16 extend into the buckles 18;

when the elevator grab bucket is used, the two groups of cylinders 15 are opened by operating the external switch, the cylinders 15 drive the push rod 16 to move, the push rod 16 drives the rotating frame 17 to rotate under the matching of the buckles 18, the rotating frame 17 drives the supporting rod 11 to rotate, so that the supporting rod 11 drives the grab bucket body 12 to rotate, the linkage arm 20 drives the rotating frame 17 to be linked under the matching of the hinge buckles 19, the two groups of cylinders 15 are matched together to control the opening motion of the grab bucket body 12, the stable driving of the elevator grab bucket is realized, and the stability of the elevator grab bucket during working is improved.

The working principle is as follows: when the grab bucket is used, an external power supply is connected, firstly, two groups of cylinders 15 are opened by operating an external switch, the cylinders 15 drive a push rod 16 to move, under the coordination of a buckle 18, the push rod 16 drives a rotating frame 17 to rotate, the rotating frame 17 drives a supporting rod 11 to rotate, so that a grab bucket body 12 is driven to rotate by the supporting rod 11, a linkage arm 20 drives the rotating frame 17 to link under the coordination of a hinge buckle 19, the two groups of cylinders 15 are matched together to control the opening motion of the grab bucket body 12, the stable driving of the elevator grab bucket is realized, the stability of the elevator grab bucket during working is improved, then, the supporting rod 11 and the grab bucket body 12 are installed together, an auxiliary frame 10 and the supporting rod 11 are installed together, the auxiliary frame 10 is connected with a base 14 through a hinge pin 13, when the grab bucket body 12 rotates, the supporting rod 11 drives the auxiliary frame 10 to rotate, the base 14 carries out limiting support on the auxiliary frame 10, so that the grab bucket body 12 rotates stably, realize the reliable work of lift grab bucket, the life of extension lift grab bucket, servo motor 8 is opened to the rethread operation external switch, servo motor 8 drive pivot 9 rotates, pivot 9 drives the driving gear 7 rotatory, drive driven gear 3 and rotate under the cooperation of driving gear 7 and driven gear 3, under the support of supporting seat 4, under spacing lug 5 and spacing recess 6 spacing, driven gear 3 drive frame 2 rotates, drive frame 2 drives support frame 1 and rotates, support frame 1 drive grab bucket body 12 rotates, come to adjust the angle of grab bucket body 12, realize the regulation of lift grab bucket angle, increase the working range of lift grab bucket, accomplish the use work of grab bucket.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A grab bucket for lift, includes support frame (1), drive frame (2), driven gear (3), base (14) and buckle (18), its characterized in that: a base (14) is arranged at the bottom end of the support frame (1), the top end of the base (14) is fixedly connected with the support frame (1), and two groups of grab bucket bodies (12) are arranged outside the supporting frame (1) below the base (14), a support rod (11) is arranged inside the grab bucket body (12), two ends of the support rod (11) are fixedly connected with the grab bucket body (12), and the surface of the supporting rod (11) is sleeved with an auxiliary frame (10), the top end of the auxiliary frame (10) is provided with a hinge pin (13), and the auxiliary frame (10) is connected with the base (14) through a hinge pin (13), a supporting seat (4) is arranged outside the supporting frame (1) above the base (14), a limiting groove (6) is arranged inside the supporting seat (4), and the outer wall of the limiting groove (6) is fixedly connected with the supporting seat (4), and a limiting lug (5) is arranged inside the limiting groove (6).

2. A grab bucket for an elevator as claimed in claim 1, wherein: driven gear (3) are installed to the bottom of spacing lug (5), and the top and spacing lug (5) fixed connection of driven gear (3) to driving frame (2) are installed to the bottom of driven gear (3).

3. A grab bucket for an elevator as claimed in claim 2, wherein: supporting seat (4) internally mounted of driven gear (3) one side has servo motor (8), and the output of servo motor (8) installs pivot (9) through the shaft coupling to driving gear (7) are installed to the one end that servo motor (8) were kept away from in pivot (9).

4. A grab bucket for an elevator as claimed in claim 1, wherein: the surface of the supporting rod (11) is fixed with a rotating frame (17), the top end of the rotating frame (17) is provided with a linkage arm (20), and two ends of the linkage arm (20) are provided with hinged buckles (19).

5. A grab bucket for an elevator as claimed in claim 4, wherein: the outer wall of the rotating frame (17) is provided with a buckle (18), and the outer wall of the support frame (1) above the buckle (18) is provided with two groups of cylinders (15).

6. A grab bucket for an elevator as claimed in claim 5, wherein: push rods (16) are installed at the bottom ends of the air cylinders (15), and the bottom ends of the push rods (16) extend to the inner portions of the buckles (18).