CN222023938U - Grab bucket structure of crane - Google Patents

Abstract

The utility model provides a grab bucket structure of a crane, which comprises a mounting plate, wherein two groups of grab bucket pieces are symmetrically arranged at the bottom of the mounting plate, a driving assembly is arranged at the outer end of the top of the grab bucket pieces at the bottom of the mounting plate, the driving assembly comprises a sliding frame, the sliding frame is fixed at the bottom of the mounting plate and drives a bidirectional screw rod to rotate through a motor, two moving blocks are meshed with the bidirectional screw rod so as to drive two groups of first electric push rods to horizontally move, the grabbing range of the grab bucket pieces can be expanded or contracted, compared with the prior art, the grab bucket pieces are driven to rotate to grab garbage through the driving assembly, the two grab bucket pieces are expanded to two sides through the rotation of the bidirectional screw rod, the grabbing space of the grab bucket is increased through an expansion layer, the grabbing efficiency is improved, the inner wall of the grab bucket pieces is quickly cleaned after grabbing and throwing each time through a cleaning assembly, and adhered garbage is cleaned out of the grab bucket pieces, so that the inconvenience caused by manual cleaning is reduced.

Description

Grab bucket structure of crane

Technical Field

The utility model relates to the technical field of crane grab buckets, in particular to a grab bucket structure of a crane.

Background

The grab bucket is a special tool for grabbing dry and scattered cargoes by the crane. Two or more bucket-shaped jaw plates which can be opened and closed are combined together to form a storage space, the jaw plates are closed in a material pile during loading, materials are grabbed into the storage space, the jaw plates are opened in a suspended state on the material pile during unloading, the materials are scattered on the material pile, and the opening and closing of the jaw plates are generally controlled by a steel wire rope of a crane lifting mechanism.

The grab bucket of prior art is generally for hoist that is convenient for dismouting change that patent CN218290154U proposed, and the connecting piece bottom is connected with the telescopic link, and the telescopic link bottom is connected with the backup pad, and backup pad left and right sides all is connected with the scraper bowl through fixed establishment, and two sets of scraper bowl tops all are connected with the connecting block through coupling mechanism, and two sets of connecting block tops all articulate there is the articulated link, and two sets of articulated links all articulate in the connecting piece.

Above-mentioned scheme is similar with current grab bucket structure and driving method, but the not enough of this kind of grab bucket is that grab bucket inner space is limited, can't expand the space to the quantity that makes grabbing at every turn is limited, in addition when snatching rubbish, can mix moisture in the rubbish, thereby makes rubbish adhesion on the grab bucket inner wall be difficult to clear up easily.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to provide a grab bucket structure of a crane, so as to solve the problems in the background art, the utility model has novel structure, the grab bucket is driven to rotate by the driving component to grab garbage, the garbage is grabbed by the rotation of the bidirectional screw rod, two grab bucket pieces are unfolded towards two sides, the grabbing space of the grab bucket is increased through the expansion layer, grabbing efficiency is improved, the inner wall of the grab bucket piece is cleaned fast after grabbing and throwing the grab bucket pieces each time through the cleaning assembly, and adhered garbage is cleaned out of the grab bucket pieces, so that inconvenience caused by manual cleaning is reduced.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a grab bucket structure of hoist, includes the mounting panel, mounting panel bottom symmetry is equipped with two sets of grab bucket spare, the mounting panel bottom is located the top outer end of grab bucket spare and is equipped with drive assembly, drive assembly includes the sliding frame, the sliding frame is fixed in the mounting panel bottom, and the inside symmetry of sliding frame installs two sets of first electric putter, the first electric putter extension end is rotated through the back of pivot and grab bucket spare and is connected, the mounting panel is located the position between two grab bucket spare and installs the clearance subassembly, and the clearance subassembly includes flexible scraper blade, flexible scraper blade slides along grab bucket spare inner wall, the extension end at flexible scraper blade both ends and grab bucket spare both sides inner wall slip joint.

Further, an expansion layer is arranged in the middle of the grab bucket, and the expansion layer is slidably inserted into the grab bucket at two ends.

Further, the mounting shaft is fixed at the bottom of the mounting plate corresponding to the mounting position of the grab bucket, the top of the expansion layer is rotatably mounted at the middle position of the mounting shaft through the bearing seat, and the tops of the grab bucket on two sides of the expansion layer are in sliding sleeve connection with the surface of the mounting shaft.

Further, the drive assembly still includes two-way screw rod, the inside two-way screw rod that rotates through the bearing of sliding frame, and the meshing has cup jointed the movable block on the surface of two-way screw rod, first electric putter top is installed in the movable block bottom through the pivot rotation, the sliding frame outside is fixed with the motor, and the motor output is fixed with two-way screw rod.

Further, the cleaning assembly further comprises a top frame, two top frames are symmetrically arranged at the top of the mounting plate, two connecting rods are symmetrically connected to the bottom of the top frame in a rotating mode through rotating shafts, and the other ends of the connecting rods are rotationally connected with the surface of the telescopic scraping plate through rotating shafts.

Further, the arc-shaped groove with the same radian as the inner wall of the grab bucket is formed in the side wall of the grab bucket, and two ends of the telescopic scraping plate are in sliding clamping connection with the inside of the arc-shaped groove.

Further, the mounting plate corresponds the position that the connecting rod worn out and has seted up the removal breach, two outsides of mounting plate are fixed with second electric putter, and second electric putter extension end is fixed with the roof-rack.

The utility model has the beneficial effects that: the utility model relates to a grab bucket structure of a crane, which comprises a mounting plate; a mounting shaft; a grab bucket member; an extension layer; an arc-shaped groove; a drive assembly; a sliding frame; a motor; a bidirectional screw; a moving block; a first electric push rod; cleaning the assembly; a retractable scraper; a connecting rod; a second electric push rod; a top frame; moving the notch;

1. according to the utility model, through the opening of the moving notch, the connecting rod can move downwards and drive the telescopic scraping plate to move, so that the inner wall of the grab bucket is cleaned.

2. According to the utility model, when the grab bucket is driven to rotate by the driving assembly, the second electric push rod automatically stretches or shortens to adjust the position of the telescopic scraping plate, so that the telescopic scraping plate is always kept at the top of the grab bucket when the grab bucket grabs garbage, and when the grab bucket is opened, the second electric push rod drives the top frame to move up and down, the connecting rod pushes the telescopic scraping plate to slide along the arc-shaped groove, and therefore the telescopic scraping plate moves from top to bottom along the arc-shaped groove on the inner wall of the grab bucket, and residual garbage is cleaned out.

3. According to the utility model, the motor drives the bidirectional screw rod to rotate, and the two moving blocks are meshed with the bidirectional screw rod, so that the two groups of first electric push rods are driven to horizontally move, and the grabbing range of the grab bucket piece can be expanded or contracted.

4. Compared with the prior art, the two grab bucket pieces are driven by the driving component to rotate so as to grab garbage, the two grab bucket pieces are unfolded to two sides through the rotation of the bidirectional screw, the grabbing space of the grab bucket pieces is increased through the expansion layer, the grabbing efficiency is improved, the inner wall of the grab bucket pieces is quickly cleaned after grabbing and throwing each time through the cleaning component, and the adhered garbage is cleaned out of the grab bucket pieces, so that the inconvenience of manual cleaning is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of a grab bucket structure of a crane according to the present utility model;

FIG. 2 is a schematic view of a drive assembly of a grab bucket structure of a crane according to the present utility model;

FIG. 3 is a schematic diagram showing the connection of a telescopic scraper of a grab bucket structure of a crane with the inner wall of a grab bucket;

fig. 4 is a schematic view of a cleaning assembly of a grab bucket structure of a crane according to the present utility model.

In the figure: 1. a mounting plate; 11. a mounting shaft; 2. a grab bucket member; 21. an extension layer; 22. an arc-shaped groove; 3. a drive assembly; 31. a sliding frame; 32. a motor; 33. a bidirectional screw; 34. a moving block; 35. a first electric push rod; 4. cleaning the assembly; 41. a retractable scraper; 42. a connecting rod; 43. a second electric push rod; 44. a top frame; 45. the notch is moved.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a grab bucket structure of hoist, includes mounting panel 1, mounting panel 1 bottom symmetry is equipped with two sets of grab bucket pieces 2, mounting panel 1 bottom is located the top outer end of grab bucket piece 2 and is equipped with actuating assembly 3, actuating assembly 3 includes sliding frame 31, sliding frame 31 is fixed in mounting panel 1 bottom, and the inside symmetry of sliding frame 31 installs two sets of first electric putter 35, the extension end of first electric putter 35 is rotated through the pivot and is connected with the back of grab bucket piece 2, cleaning assembly 4 is installed to the position that mounting panel 1 is located between two grab bucket pieces 2, and cleaning assembly 4 includes flexible scraper blade 41, flexible scraper blade 41 slides along grab bucket piece 2 inner wall, the extension end at flexible scraper blade 41 both ends and grab bucket piece 2 both sides inner wall slip joint, and during the user equipment, mounting panel 1 is connected with the hoist, earlier through actuating assembly 3 adjusting the range of grabbing of ring, then moves to the grab position by the hoist after, and actuating assembly 3 control grab bucket piece 2 rotates and carries the parcel to appointed position, then when grab bucket piece 2 opens rubbish and puts in the position, cleaning assembly 4 cleans the inner wall of grab bucket piece 2.

In this embodiment, the intermediate position of grab bucket 2 is provided with extension layer 21, and extension layer 21 slip grafting is inside grab bucket 2 at both ends, the installation position that mounting panel 1 bottom corresponds grab bucket 2 is fixed with installation axle 11, extension layer 21 top is rotated through the bearing frame and is installed the intermediate position at installation axle 11, the grab bucket 2 top of extension layer 21 both sides slip cup joints on the installation axle 11 surface, and extension layer 21 is the same with grab bucket 2 shape, peg graft inside grab bucket 2 at both ends to all install on installation axle 11, grab bucket 2 can slide and rotate along installation axle 11, and extension layer 21 keeps intermediate position unchanged.

In this embodiment, the driving assembly 3 further includes a bidirectional screw 33, the bidirectional screw 33 is rotatably mounted in the sliding frame 31 through a bearing, a moving block 34 is engaged and sleeved on the surface of the bidirectional screw 33, the top of the first electric push rod 35 is rotatably mounted at the bottom of the moving block 34 through a rotating shaft, a motor 32 is fixed on the outer side of the sliding frame 31, the output end of the motor 32 is fixed with the bidirectional screw 33, the motor 32 is started to drive the bidirectional screw 33 to rotate, and the two moving blocks 34 are engaged with the bidirectional screw 33 to drive two groups of the first electric push rods 35 to horizontally move, so that the grabbing range of the grab 2 can be expanded or contracted.

In this embodiment, clearance subassembly 4 still includes roof-rack 44, mounting panel 1 top symmetry is equipped with two roof-racks 44, and roof-rack 44 bottom rotates through the pivot symmetry and is connected with two connecting rods 42, the other end of connecting rod 42 rotates through the pivot with the surface of flexible scraper blade 41 and is connected, the arc wall 22 the same with grab bucket 2 inner wall radian has been seted up to grab bucket 2's lateral wall, and the both ends slip joint of flexible scraper blade 41 is inside arc wall 22, the mounting panel 1 corresponds the position that connecting rod 42 worn out and has seted up removal breach 45, the two outsides of mounting panel 1 are fixed with second electric putter 43, and second electric putter 43 extension end is fixed with roof-rack 44, when drive assembly 3 drives grab bucket 2 and rotate, second electric putter 43 automatic extension or shorten, adjusts the position of flexible scraper blade 41 to make flexible scraper blade 41 when grab bucket 2 rubbish, remain all the time at grab bucket 2 top, open at grab bucket 2, second electric putter 43 drives roof-rack 44 lift and moves, and connecting rod 42 promotes flexible scraper blade 41 along groove 22 and slide along groove 22 along the inner wall 22, and stretch out and draw-down along the arc wall 22 through the flexible connection of connecting rod 2 to the arc wall that can be stretched out and draw-down along the flexible groove 2 of the flexible connecting rod 2, can be stretched out and draw-down part of the arc-shaped groove 2 through the flexible connection part of the flexible scraper blade 2.

When the device is used, the mounting plate 1 is connected with a crane, the motor 32 is started to drive the bidirectional screw 33 to rotate, the two moving blocks 34 are meshed with the bidirectional screw 33 to drive the two groups of first electric push rods 35 to horizontally move, the grabbing range of the grab bucket 2 can be expanded or contracted, then after the grab bucket 2 is moved to the grabbing position by the crane, the driving assembly 3 controls the grab bucket 2 to rotate to convey garbage packages to the designated position, then when the grab bucket 2 is opened to throw garbage, the second electric push rods 43 drive the top frame 44 to move up and down, the connecting rods 42 push the telescopic scraping plates 41 to slide along the arc-shaped grooves 22, so that the telescopic scraping plates 41 move from top to bottom along the arc-shaped grooves 22 of the inner wall of the grab bucket 2, and residual garbage is cleaned.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. Grab bucket structure of hoist, including mounting panel (1), its characterized in that: the utility model discloses a grab bucket, including mounting panel (1), mounting panel (1) bottom symmetry is equipped with two sets of grab bucket piece (2), mounting panel (1) bottom is located the top outer end of grab bucket piece (2) and is equipped with drive assembly (3), drive assembly (3) are including sliding frame (31), sliding frame (31) are fixed in mounting panel (1) bottom, and sliding frame (31) inside symmetry installs two sets of first electric putter (35), the back rotation that first electric putter (35) extend the end through pivot and grab bucket piece (2) is connected, cleaning assembly (4) are installed in the position that mounting panel (1) is located between two grab bucket pieces (2), and cleaning assembly (4) are including flexible scraper blade (41), flexible scraper blade (41) are along grab bucket piece (2) inner wall slip, the extension end at flexible scraper blade (41) both ends and grab bucket piece (2) both sides inner wall slip joint.

2. The grab bucket structure of a crane according to claim 1, wherein: an expansion layer (21) is arranged in the middle of the grab bucket (2), and the expansion layer (21) is inserted into the grab bucket (2) at two ends in a sliding mode.

3. A grab bucket structure of a crane according to claim 2, characterized in that: the mounting plate is characterized in that a mounting shaft (11) is fixed at the bottom of the mounting plate (1) corresponding to the mounting position of the grab bucket (2), the top of the expansion layer (21) is rotatably mounted at the middle position of the mounting shaft (11) through a bearing seat, and the tops of the grab bucket (2) on two sides of the expansion layer (21) are in sliding sleeve connection with the surface of the mounting shaft (11).

4. The grab bucket structure of a crane according to claim 1, wherein: the driving assembly (3) further comprises a bidirectional screw rod (33), the bidirectional screw rod (33) is rotatably mounted inside the sliding frame (31) through a bearing, a moving block (34) is sleeved on the surface of the bidirectional screw rod (33) in a meshed mode, the top of the first electric push rod (35) is rotatably mounted at the bottom of the moving block (34) through a rotating shaft, a motor (32) is fixed on the outer side of the sliding frame (31), and the output end of the motor (32) is fixed with the bidirectional screw rod (33).

5. The grab bucket structure of a crane according to claim 1, wherein: the cleaning assembly (4) further comprises a top frame (44), two top frames (44) are symmetrically arranged at the top of the mounting plate (1), two connecting rods (42) are symmetrically connected to the bottom of the top frame (44) in a rotating mode through rotating shafts, and the other ends of the connecting rods (42) are rotatably connected with the surface of the telescopic scraping plate (41) through rotating shafts.

6. The grab bucket structure of a crane according to claim 5, wherein: the side wall of the grab bucket (2) is provided with an arc-shaped groove (22) with the same radian as the inner wall of the grab bucket (2), and two ends of the telescopic scraping plate (41) are in sliding clamping connection with the inside of the arc-shaped groove (22).

7. The grab bucket structure of a crane according to claim 6, wherein: the mounting plate (1) is provided with a moving notch (45) corresponding to the position where the connecting rod (42) penetrates out, two outer sides of the mounting plate (1) are fixedly provided with second electric push rods (43), and the extending ends of the second electric push rods (43) are fixed with the top frame (44).