CN215326479U - Grab bucket - Google Patents
Grab bucket Download PDFInfo
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- CN215326479U CN215326479U CN202121222013.5U CN202121222013U CN215326479U CN 215326479 U CN215326479 U CN 215326479U CN 202121222013 U CN202121222013 U CN 202121222013U CN 215326479 U CN215326479 U CN 215326479U
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Abstract
The utility model belongs to the technical field of material grabbing devices, in particular to a grab bucket which comprises a middle connecting piece, wherein a plurality of bucket bodies are hinged around the middle connecting piece, hydraulic cylinders are hinged at the tops of the bucket bodies, the middle connecting piece is a hollow cylinder body, and an installation box is arranged at the top of the cylinder body, so that a hydraulic system for driving the hydraulic cylinders can be installed in the cylinder body and the installation box, a long-distance hydraulic pipeline is avoided from being externally connected, the hydraulic system of the grab bucket is more convenient to install, the installation box is detachably installed at the top of the cylinder body through bolts, when the hydraulic elements are installed, the hydraulic elements are installed on a lower end cover, then the lower end cover and the related hydraulic elements are installed at the bottom of the cylinder body, similarly, the related hydraulic elements are fixed on the installation box, then the installation box and the related hydraulic elements are installed on the cylinder body together, so that the hydraulic elements are more convenient to install, the assembly of each part of the grab bucket is more convenient, and the later maintenance is more convenient.
Description
Technical Field
The utility model belongs to the technical field of material grabbing devices, and particularly relates to a grab bucket.
Background
The grab bucket is a special tool for grabbing scattered goods by a crane, and generally comprises two or more openable bucket-shaped plates which are combined together to form an object containing space, wherein the bucket-shaped plates are closed in a material pile during loading, the materials are grabbed into the object containing space, the bucket-shaped plates are opened in a suspended state above the material pile during unloading, and the materials are scattered on the material pile. The opening and closing of the bucket-shaped plate of the grab bucket are controlled by a steel wire rope driven by a lifting mechanism of a crane, and are driven by a hydraulic mode to open and close the grab bucket, and the hydraulic grab bucket is widely applied to hydraulic special equipment, for example, Chinese patent document with the publication number of CN201169491Y describes a rotatable hydraulic multi-petal grab bucket which can drive the grab bucket to open and close to grab goods through a hydraulic cylinder, so that the grab bucket has the advantages of convenience and accuracy in control, but compared with the grab bucket which is controlled to open and close through the steel wire rope, the hydraulic devices and hydraulic pipelines in a hydraulic system of the hydraulic multi-petal grab bucket are inconvenient to install.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a grab bucket, and solves the technical problem that hydraulic elements and pipelines of a hydraulic grab bucket in the prior art are inconvenient to install and arrange.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the grab bucket comprises a middle connecting piece, wherein a plurality of bucket bodies are hinged to the periphery of the middle connecting piece, a hydraulic cylinder is hinged to the top of each bucket body, the middle connecting piece is a hollow cylinder body, the top of the cylinder body is open, and a plurality of hydraulic pipeline through holes are formed in the side wall of the cylinder body along the circumferential direction; the top of the cylinder body is provided with an installation box, the top end of the installation box is provided with an upper end cover, the upper end of the cylinder body is provided with a first radial flange, and the bottom of the installation box is connected to the first flange through a bolt; the upper end of the installation box is provided with a second flange, the upper end cover is connected onto the second flange through bolts, and the top of the upper end cover is provided with a lifting plate.
Preferably, the bottom of the cylinder is also open, a lower end cover is arranged at the bottom of the cylinder, a radial third flange is arranged at the lower end of the cylinder, and the lower end cover is connected to the third flange through a bolt.
Preferably, the bucket comprises an arc-shaped plate body, a reinforcing beam is arranged on the back of the plate body, an inner connecting rod and an outer connecting rod are respectively arranged on the inner side and the outer side of the top of the reinforcing beam, an upper lug seat and a lower lug seat are correspondingly arranged on the upper side and the lower side of the outer wall of the barrel, the hydraulic cylinder is correspondingly hinged to the upper lug seat, and the tops of the inner connecting rod and the outer connecting rod are respectively hinged to the lower lug seat and the lower end of the hydraulic cylinder.
Preferably, reinforcing ribs are arranged on the top surface of the upper end cover and positioned on two sides of the lifting plate respectively.
Compared with the prior art, the utility model has the beneficial effects that:
1. the middle connecting piece of the grab bucket is a cylinder body, the top of the cylinder body is provided with an installation box, so that a hydraulic system for driving a hydraulic cylinder can be installed in the cylinder body and the installation box, a long-distance hydraulic pipeline is prevented from being externally connected, the installation of the hydraulic system of the grab bucket is more convenient, when the hydraulic system is installed, a driving motor and an oil tank of an oil pump can be arranged in the installation box, the oil pump and various control valves can be installed in the cylinder body, the installation box can be detachably installed at the top of the cylinder body through bolts, when the hydraulic element is installed, the hydraulic element is firstly installed on a lower end cover, then the lower end cover and the related hydraulic element are installed at the bottom of the cylinder body, similarly, the related hydraulic element is firstly fixed on the installation box, then the installation box and the related hydraulic element are installed on the cylinder body together, the installation of the hydraulic element is more convenient, and the assembly of all the components of the grab bucket is also more convenient, and later maintenance is more convenient.
2. The inner connecting rod and the outer connecting rod are arranged on the inner side and the outer side of the top of the stiffening beam at the back of each bucket of the grab bucket respectively, the volume of the stiffening beam is reduced by arranging the inner connecting rod and the outer connecting rod, relatively small hydraulic cylinders can be adopted on the premise of meeting the use requirements, and the volume and the weight of a hydraulic system can be reduced, so that the grab bucket is light and flexible.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic perspective view of a grab bucket according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a cylinder in an embodiment of the grab bucket of the present invention.
Fig. 3 is a schematic perspective view of a second embodiment of a grab bucket according to the present invention.
In the drawings, each reference numeral means: the hydraulic bucket comprises a barrel body 1, a hydraulic pipeline through hole 11, a first flange 12, a third flange 13, an upper lug seat 14, a lower lug seat 15, a bucket 2, a plate body 21, a reinforcing beam 22, an inner connecting rod 23, an outer connecting rod 24, a hydraulic cylinder 3, an installation box 4, a second flange 41, an upper end cover 5, a lifting plate 51, a lifting hole 511, a reinforcing rib 52 and a lower end cover 6.
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.
A grab bucket, please refer to fig. 1-3.
As shown in figure 1, the grab bucket comprises a middle connecting piece, the middle connecting piece is a hollow cylinder body 1, six-blade buckets 2 are hinged around the outer wall of the cylinder body 1, hydraulic cylinders 3 are respectively hinged on the tops of the buckets 2, the buckets 2 can be driven to open and close through the hydraulic cylinders 3 so as to grab or release materials, in addition, a mounting box 4 is arranged on the top of the cylinder body 1, and an upper end cover 5 is arranged on the top end of the mounting box 4, so that a hydraulic system for driving the hydraulic cylinders 3 can be installed in the cylinder body 1 and the mounting box 4, wherein, a driving motor and an oil tank of the oil pump can be arranged in the mounting box 4, the oil pump can be arranged in the cylinder body 1, the oil pump is fixedly installed on the bottom surface of the mounting box, various control valves can be installed in the cylinder body 1, a through hole communicated with the cylinder body 1 is arranged on the bottom of the mounting box 4, so that hydraulic elements in the cylinder body 1 and the mounting box 4 can be correspondingly communicated, mounting screw holes are respectively formed at the bottoms of the cylinder body 1 and the mounting box 4 and used for mounting each hydraulic element; six hydraulic pipeline through holes 11 are formed in the side wall of the barrel body 1 along the circumferential direction and used for penetrating through a hydraulic valve in the barrel body 1 and communicating with a hydraulic pipeline of the hydraulic cylinder 3.
As shown in fig. 2 and 3, the top of the cylinder 1 is open, the upper end of the cylinder 1 is provided with a radial first flange 12, screw holes are distributed on the first flange 12, and the bottom surface of the installation box 4 is correspondingly provided with screw holes, so that the bottom of the installation box 4 is connected to the first flange 12 through bolts; the upper end of install bin 4 is equipped with second flange 41, and it has the screw to distribute on the second flange 41, is equipped with corresponding screw on the upper end cover 5 for upper end cover 5 passes through bolted connection on second flange 41, and the top of upper end cover 5 is equipped with hoisting plate 51, is equipped with hoisting hole 511 on hoisting plate 51, and upper end cover 5 top surface is located hoisting plate 51 both sides and is equipped with strengthening rib 52 respectively, and hoisting plate 51 uses when being used for hoisting this grab bucket.
As shown in fig. 2, the bottom of the cylinder 1 is also open, as shown in fig. 3, a lower end cover 6 is arranged at the bottom of the cylinder 1, a radial third flange 13 is arranged at the lower end of the cylinder 1, screw holes are distributed on the third flange 13, and corresponding screw holes are arranged on the lower end cover 6, so that the lower end cover 6 is connected to the third flange 13 through bolts, when a hydraulic component is installed, the hydraulic component is installed on the lower end cover 6, and then the lower end cover 6 and the related hydraulic component are installed at the bottom of the cylinder 1, so that the hydraulic component is more convenient to install, similarly, when the related hydraulic component is installed in the installation box 4, the related hydraulic component is fixed on the installation box, and then the installation box 4 and the related hydraulic component are installed on the cylinder 1 together.
As shown in fig. 1, the bucket 2 includes an arc-shaped plate 21, a reinforcing beam 22 is arranged on the back of the plate 21, the reinforcing beam 22 plays a role in improving the strength of the plate 21, an inner connecting rod 23 and an outer connecting rod 24 are respectively arranged on the inner side and the outer side of the top of the reinforcing beam 22, an upper lug seat 14 and a lower lug seat 15 are correspondingly arranged on the upper side and the lower side of the outer wall of the barrel 1, the rear end of the hydraulic cylinder 3 is correspondingly hinged to the upper lug seat 14, the tops of the inner connecting rod 23 and the outer connecting rod 24 are respectively hinged to the lower lug seat 15 and the lower end of the hydraulic cylinder 3, the size of the reinforcing beam 22 is reduced by arranging the inner connecting rod 23 and the outer connecting rod 24, the length of the hydraulic cylinder 3 is shortened, and on the premise of meeting the use requirements, a relatively small hydraulic cylinder can be adopted, so that the size and weight of a hydraulic system can be reduced, and the bucket is lighter and more flexible.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The phrase "comprising a defined element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
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 (4)
1. A grab bucket comprises a middle connecting piece, wherein a plurality of bucket sections are hinged around the middle connecting piece, and a hydraulic cylinder is hinged at the top of each bucket section; the top of the cylinder body is provided with an installation box, the top end of the installation box is provided with an upper end cover, the upper end of the cylinder body is provided with a first radial flange, and the bottom of the installation box is connected to the first flange through a bolt; the upper end of the installation box is provided with a second flange, the upper end cover is connected onto the second flange through bolts, and the top of the upper end cover is provided with a lifting plate.
2. The grab of claim 1, in which the bottom of the cylinder is also open, and a lower end cap is provided at the bottom of the cylinder, and a radial third flange is provided at the lower end of the cylinder, and the lower end cap is connected to the third flange by bolts.
3. The grab bucket of claim 1, wherein the bucket comprises an arc-shaped plate body, a reinforcing beam is arranged on the back surface of the plate body, an inner connecting rod and an outer connecting rod are respectively arranged on the inner side and the outer side of the top of the reinforcing beam, an upper lug seat and a lower lug seat are correspondingly arranged on the upper side and the lower side of the outer wall of the barrel body, the hydraulic cylinder is correspondingly hinged on the upper lug seat, and the tops of the inner connecting rod and the outer connecting rod are respectively hinged on the lower lug seat and the lower end of the hydraulic cylinder.
4. The grab bucket of claim 1, wherein the top surface of the upper end cover is provided with reinforcing ribs on two sides of the hoisting plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121222013.5U CN215326479U (en) | 2021-06-02 | 2021-06-02 | Grab bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121222013.5U CN215326479U (en) | 2021-06-02 | 2021-06-02 | Grab bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215326479U true CN215326479U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121222013.5U Active CN215326479U (en) | 2021-06-02 | 2021-06-02 | Grab bucket |
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| CN (1) | CN215326479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809141A (en) * | 2022-06-01 | 2022-07-29 | 中建二局第三建筑工程有限公司 | Multifunctional detachable spinning high-performance excavation unearthing device |
-
2021
- 2021-06-02 CN CN202121222013.5U patent/CN215326479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809141A (en) * | 2022-06-01 | 2022-07-29 | 中建二局第三建筑工程有限公司 | Multifunctional detachable spinning high-performance excavation unearthing device |
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