Hanging bracket for grab bucket
By designing a grab hanger with a scissor arm structure connected by a hinge shaft and a floating connection assembly, the cumbersome problem of the grab failure replacement process in the prior art is solved, and the rapid disassembly and installation of the grab is achieved, which improves production efficiency and reduces safety hazards.
Patent Information
- Application Number
- CN202421813577.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-07-30
AI Technical Summary
The existing grab hanger requires multiple people to cooperate when replacing the fault. The disassembly and installation process is cumbersome, which affects production efficiency and poses safety risks.
A hanger for grabs is designed, using the inner plate and the outer plate to form a scissor arm structure through a hinge shaft, and it can be quickly disassembled and installed through the inner guide section and the outer guide section. The hanger also uses a floating connection assembly, including a floating connection tube, a connecting male and a connecting female, for quick docking through a guide positioning column and a guide orifice plate.
The rapid disassembly and installation of the grab is achieved, production efficiency is improved, and the docking process is simplified through floating connection components, reducing safety hazards.
Smart Images

Figure CN222961000U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a hanger for a grab bucket. Background Art
[0002] After searching, the patent: anti-leakage grab bucket (CN201210137797.0) includes an anti-funnel bucket body, a hanger, a chain, a left grab bucket arm, a right grab bucket arm, an upper pulley block and a lower pulley block. The upper ends of the hanger are connected to the lifting rope, and the lower ends of the hanger are connected to the lower ends of the chains. The left and right grab bucket arms are hinged together by a center pin.
[0003] However, during the production process, if the grab bucket fails or encounters other problems, the grab bucket needs to be replaced. This requires the mechanical and electrical personnel to cooperate in a series of complicated processes such as removing the lifting point connection and disconnecting the cable connector. When installing another grab bucket, the long replacement time will greatly affect production efficiency and there will also be a certain degree of safety hazards.
[0004] In view of the above-mentioned defects, the designers have actively carried out research and innovation in order to create a new type of grab hanger structure to make it more valuable for industrial use. Utility Model Content
[0005] In order to solve the above technical problems, the purpose of the utility model is to provide a hanger for a grab bucket.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A hanger for a grab bucket, comprising an inner plate and an outer plate, wherein the inner plate and the outer plate are connected via a hinge shaft, and the inner plate and the outer plate form a scissor arm structure via the hinge shaft, and further comprising a grab bucket pin shaft, wherein the bottoms of the inner plate and the outer plate are respectively provided with an inner guide section and an outer guide section for continuously lowering the scissor arm and realizing full opening, a limiting block for limiting the movement of the outer plate is connected to the middle of the inner plate, a floating connection assembly for rapid docking is connected between the grab bucket pin shaft and the hinge shaft,
[0008] The floating connection assembly includes a floating connection tube, a connecting male head and a connecting female head. The floating connection tube is connected with a connecting female head that slides in the tube. The connecting female head is fixedly connected to the hinge shaft and moves synchronously with the connecting female head. The floating connection tube is connected with a floating spring that contacts the connecting female head. The side of the connecting female head is connected with a guide positioning column. The grab pin is connected to the connecting male head. The side of the connecting male head is connected with a guide hole plate that matches the guide positioning column.
[0009] Preferably, for the hanger for grab, first ear plates and second ear plates for hoisting suspension points are respectively connected to the inner side plate and the outer side plate.
[0010] Preferably, for the hanger for grab, the inner guiding section and the outer guiding section are both of inclined structures, and the inclination angle is between 50° and 60°.
[0011] Preferably, for the hanger for grab, reinforcing plates are connected to both the inner side plate and the outer side plate.
[0012] Preferably, for the hanger for grab, guiding grooves for guiding the guiding positioning posts and guiding grooves for guiding the hinge shafts are formed in the floating connecting pipe.
[0013] Preferably, for the hanger for grab, opposite first locking holes for use after being fully opened and second locking holes after being closed are formed in the inner side and the outer side plates.
[0014] By means of the above solution, the utility model has at least the following advantages:
[0015] The utility model can realize the quick disassembly and installation of the grab, improve the production efficiency, and at the same time, the convenient docking can be realized through the floating connecting assembly, and the installation efficiency is improved.
[0016] The above description is only an overview of the technical solution of the utility model. In order to be able to understand the technical means of the utility model more clearly and implement it according to the content of the description, the following takes the preferred embodiment of the utility model and combines with the attached drawings to describe in detail as follows. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained according to these drawings without creative efforts.
[0018] Figure 1 It is a schematic structural diagram of the inner side plate and the outer side plate of the utility model when being fully opened;
[0019] Figure 2 It is a schematic structural diagram of the inner side plate and the outer side plate of the utility model when being closed;
[0020] Figure 3 It is a schematic structural diagram of the floating connecting assembly of the utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.
[0022] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.
[0023] Example
[0024] like Figure 1 , Figure 2 and Figure 3 As shown, a hanger for a grab bucket includes an inner plate 1 and an outer plate 2, wherein the inner plate 1 and the outer plate 2 are connected via a hinge shaft 3, and the inner plate 1 and the outer plate 2 form a scissor arm structure through the hinge shaft, and also includes a grab bucket pin shaft 9, wherein the bottom of the inner plate 1 and the outer plate 2 are respectively provided with an inner guide section 6 and an outer guide section 7 for continuously lowering the scissor arm and realizing full opening, a limiting block 8 for limiting the movement of the outer plate 2 is connected to the middle of the inner plate 1, and a floating connection assembly 10 that can be quickly docked is connected between the grab bucket pin shaft 9 and the hinge shaft 3, wherein the floating connection assembly 10 includes It includes a floating connecting tube 101, a connecting male head 102 and a connecting female head 103. The floating connecting tube 101 is connected with the connecting female head 103 sliding in the tube. The connecting female head 103 is fixedly connected to the hinge shaft 3 and moves synchronously with the connecting female head 103. The floating connecting tube 101 is connected with a floating spring 104 that contacts the connecting female head 103. The side of the connecting female head 103 is connected with a guide positioning column 105. The grab pin shaft 9 is connected to the connecting male head 102. The side of the connecting male head 102 is connected with a guide hole plate 106 that matches the guide positioning column 105.
[0025] The inner plate 1 and the outer plate 2 of the utility model are respectively connected with a first ear plate 4 and a second ear plate 5 for lifting the lifting point.
[0026] The inner guide section 6 and the outer guide section 7 in the present invention are both inclined structures, and the inclination angle is 50° to 60°, wherein the inclination angle of the inner guide section 6 and the outer guide section 7 is preferably 60°.
[0027] In the present invention, the inner plate 1 and the outer plate 2 are both connected with a reinforcing plate 11 .
[0028] In the present utility model, the floating connecting pipe 101 is provided with a guiding groove 107 for guiding the guiding positioning post 105 and a guiding groove 107 for guiding the hinge shaft 3.
[0029] In the present utility model, the inner plate 1 and the outer plate 2 are provided with opposite first locking holes 12 for use after being fully opened and second locking holes 13 after being closed. At the same time, an electrically controllable electric locking pin is installed for the locking holes to cooperate with the first locking holes 12 and the second locking holes 13 to achieve the purpose of locking.
[0030] The working principle of the present utility model is as follows:
[0031] During specific operation, the ear plate is connected to the lifting suspension point, and the inner and outer plates form a scissors arm structure through the hinge shaft. When the hanging bracket descends to the position where the grab pin shaft is located, the inner and outer guiding sections cause the scissors arm to open and continue to descend until it is in a fully opened state. At this time, the limiting block realizes stopping, and the grab pin shaft is accurately in place. When the hanging bracket ascends, the inner and outer plates are tightened until they firmly hold the grab pin shaft. After the locking holes are aligned, the electric locking pin is inserted into the locking holes.
[0032] During disassembly, the electric locking pin is withdrawn, the hanging bracket descends to the fully opened state, the locking holes are aligned again, the electric locking pin is inserted, and then the hanging bracket is raised for disassembly. During the installation process, quick docking is achieved through the guiding positioning post and the guiding hole plate on the floating connection assembly.
[0033] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0034] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this application is usually placed during use. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application. In addition, the terms "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.
[0035] In addition, the terms "horizontal", "vertical", etc. do not mean that the components are required to be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0036] In the description of the present application, it should also be noted that unless otherwise clearly specified and defined, the terms "arranged", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.
[0037] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A grab bucket hanger, comprising an inner plate (1) and an outer plate (2), wherein the inner plate (1) and the outer plate (2) are connected via a hinge shaft (3), and the inner plate (1) and the outer plate (2) form a scissor arm structure via the hinge shaft, and further comprising a grab bucket pin shaft (9), characterized in that: The bottoms of the inner plate (1) and the outer plate (2) are respectively provided with an inner guide section (6) and an outer guide section (7) for continuously lowering the scissor arm and realizing full opening; a limit block (8) for limiting the movement of the outer plate (2) is connected to the middle of the inner plate (1); a floating connection assembly (10) capable of rapid docking is connected between the grab pin shaft (9) and the hinge shaft (3); The floating connection assembly (10) comprises a floating connection tube (101), a connection male head (102) and a connection female head (103); the floating connection tube (101) is connected with a connection female head (103) which slides in the tube; the connection female head (103) is connected and fixed to the hinge shaft (3) and moves synchronously with the connection female head (103); the floating connection tube (101) is connected with a floating spring (104) which contacts the connection female head (103); the side of the connection female head (103) is connected with a guide positioning column (105); the grab pin shaft (9) is connected with the connection male head (102); the side of the connection male head (102) is connected with a guide hole plate (106) which matches the guide positioning column (105).
2. A grab bucket hanger according to claim 1, characterized in that: The inner plate (1) and the outer plate (2) are respectively connected with a first ear plate (4) and a second ear plate (5) for lifting the lifting point.
3. A grab bucket hanger according to claim 1, characterized in that: The inner guide section (6) and the outer guide section (7) are both inclined structures, and the inclination angle is between 50° and 60°.
4. A hanger for a grab bucket according to claim 1, characterized in that: The inner plate (1) and the outer plate (2) are both connected with a reinforcing plate (11).
5. The hanger for grab bucket according to claim 1, characterized in that: The floating connecting tube (101) is provided with a guide groove (107) for guiding the guide positioning column (105) and a guide groove (107) for guiding the hinge shaft (3).
6. A grab bucket hanger according to claim 1, characterized in that: The inner plate (1) and the outer plate (2) are provided with a first locking hole (12) for use when fully opened and a second locking hole (13) for use when closed.
Citation Information
Patent Citations
Shear type leakproof grab bucket
CN102674149A