Heavy grab bucket convenient to disassemble, assemble and replace

Abstract

The utility model belongs to the technical field of heavy grab buckets, and particularly relates to a heavy grab bucket convenient to disassemble, assemble and replace, which comprises a mounting seat, hinge plates are hinged to the front end and the rear end of the mounting seat, grab buckets are hinged to the lower ends of the hinge plates, a driver is arranged in the mounting seat, a driven assembly is arranged on the grab buckets, and the driven assembly is connected with the mounting seat. The driven assembly is connected with the driver through a steel cable, the inner wall of the mounting base is connected with a screw rod through threads, the upper end of the screw rod is fixedly connected with a hanging ring, and a clamping hole is formed in the surface of the screw rod. Through the arrangement of the clamping ring, the lifting ring can be used for lifting, the heavy grab bucket and the portal frame crane can be fixed through the cooperation of the clamping ring and the steel wire rope so as to be used for material transportation of the heavy grab bucket, under the deformation of the elastic piece, the limiting rod can be separated from the notch of the clamping ring, and the clamping ring and the lifting ring can be detached; and the heavy grab bucket is convenient to disassemble, assemble, replace and use.

Description

Technical Field

[0001] The utility model relates to the technical field of heavy-duty grab buckets, in particular to a heavy-duty grab bucket which is easy to disassemble, assemble and replace. Background Art

[0002] A heavy-duty grab is a specialized tool used to grab and carry heavy bulk cargo. It typically consists of two or more openable and closable bucket-shaped jaws that create a container for grabbing and carrying heavy bulk cargo, such as ore, coal, sand, and gravel. It is the primary tool for loading and unloading heavy bulk cargo in ports, docks, mines, and other locations.

[0003] In the utility model patent with patent authorization announcement number CN216918328U, a grab bucket with changeable bucket diameter is disclosed, including a main body mechanism, on which an adjustment mechanism is installed, the adjustment mechanism includes a bucket-shaped jaw plate, movable grooves are opened on both sides of the bucket-shaped jaw plate, and an extended jaw plate is inserted in each movable groove. A mounting shell is installed on the outer surface of the bucket-shaped jaw plate, and a mounting seat is installed in the mounting shell. There are two mounting seats, each mounting seat is movably penetrated by a threaded sleeve, and threaded rods are installed at both ends of each threaded sleeve. A fixed seat is installed on the end of each threaded rod away from the threaded sleeve, and the fixed seat is installed on the outer surface of the extended jaw plate.

[0004] However, the existing heavy grab buckets also have certain shortcomings. The existing heavy grab buckets are mostly fixed to the gantry crane by welding when in use, and the welding operation method makes it difficult for subsequent operators to disassemble, replace and use the heavy grab buckets. Utility Model Content

[0005] The purpose of the utility model is to provide a heavy-duty grab bucket that is easy to disassemble, assemble and replace, which solves the problem that the existing heavy-duty grab buckets are mostly fixed to the gantry crane by welding when in use, and the welding operation method makes it difficult for subsequent operators to disassemble, assemble and replace the heavy-duty grab bucket.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a heavy-duty grab bucket that is easy to disassemble, assemble and replace, comprising a mounting base, wherein the front and rear ends of the mounting base are hingedly connected to hinged plates, the lower end of the hinged plate is hingedly connected to the grab bucket, a driver is provided inside the mounting base, a driven assembly is provided on the grab bucket, the driven assembly and the driver are connected by a steel cable, and a screw is connected to the inner wall of the mounting base by a thread;

[0007] The upper end of the screw is fixedly connected to a hanging ring, a clamping hole is opened on the surface of the screw, the upper end of the mounting seat is fixedly connected to a fixing plate, the inner wall of the fixing plate is slidably connected to a clamping rod, the clamping rod is slidably connected to the clamping hole, the end plate of the clamping rod is welded with a spring, the other end of the spring is welded to the fixing plate, and a disassembly and assembly mechanism is provided on the hanging ring.

[0008] Preferably, a backing ring is fixedly sleeved on the outer side of the screw rod, and the backing ring is in contact with the mounting seat. The screw rod can be positioned by setting the backing ring.

[0009] Preferably, there are a plurality of the clamping holes, which are arranged in a circular array on the screw rod. The arrangement of the clamping holes facilitates plugging and use with the clamping rod.

[0010] Preferably, a triangular block is fixedly connected to the upper side of the clamping rod, and the triangular block is slidably connected to the fixing plate. Through the arrangement of the triangular block, the clamping rod can be moved and guided.

[0011] Preferably, four screw rods are provided, and the four screw rods are evenly distributed on the mounting seat. The setting of the screw rods can fix the lifting ring for use.

[0012] Preferably, the disassembly and assembly mechanism includes a snap ring, a snap ring is sleeved on the outer side of the lifting ring, a steel wire rope is fixedly connected to the upper side of the snap ring, the inner wall of the snap ring is slidably connected to a limiting rod, the side of the limiting rod is fixedly connected to an end plate, and the lower side of the snap ring is fixedly connected to a support frame. By setting the limiting rod, the snap ring can be limited to ensure the stability of the snap ring installation and the lifting ring can be connected for use.

[0013] Preferably, an elastic member is bonded to the horizontal portion of the support frame, and the other end of the elastic member is bonded to the limiting rod. By providing the elastic member, the limiting rod can be connected for use.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] 1. The utility model can install and position the screw rod through the setting of the washer. Under the action of the screw rod, the lifting ring can be fixed and installed. Under the structure of the clamping hole and clamping rod, the screw rod can be clamped and limited to avoid the problem of the screw rod loosening due to vibration, so as to ensure the long-term stability of the screw rod and lifting ring installation.

[0016] 2. The utility model can use the setting of the clamping ring to lift the lifting ring, and cooperate with the function of the wire rope to fix the heavy grab bucket and the gantry crane for material transportation of the heavy grab bucket. Under the deformation of the elastic part, the limit rod can be separated from the gap of the clamping ring, and the clamping ring and the lifting ring can be removed, which is convenient for disassembly, assembly and replacement of the heavy grab bucket. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0018] Figure 2 For the utility model Figure 1 Bottom view of

[0019] Figure 3 For the utility model Figure 1 Magnified view of the lifting ring;

[0020] Figure 4 For the utility model Figure 4 A magnified view of point A;

[0021] Figure 5 For the utility model Figure 4 Enlarged view of point B.

[0022] In the figure: 1. Mounting seat; 2. Articulated plate; 3. Grab bucket; 4. Driver; 5. Driven assembly; 6. Screw; 7. Washer; 8. Lifting ring; 9. Clamping hole; 10. Fixing plate; 11. Clamping rod; 12. Triangular block; 13. Spring; 14. Disassembly and assembly mechanism; 141. Clamping ring; 142. Wire rope; 143. Limiting rod; 144. End plate; 145. Support frame; 146. Elastic member. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 A heavy-duty grab bucket that is easy to disassemble, assemble and replace includes a mounting base 1. The front and rear ends of the mounting base 1 are hinged with hinged plates 2. The lower end of the hinged plate 2 is hinged with a grab bucket 3. A driver 4 is provided inside the mounting base 1. The grab bucket 3 is provided with a driven component 5. The driven component 5 is connected to the driver 4 by a steel cable. The inner wall of the mounting base 1 is connected to a screw 6 by a thread.

[0025] The upper end of the screw rod 6 is fixedly connected to a lifting ring 8, a clamping hole 9 is opened on the surface of the screw rod 6, the upper end of the mounting base 1 is fixedly connected to a fixing plate 10, the inner wall of the fixing plate 10 is slidably connected to a clamping rod 11, the clamping rod 11 is slidably connected to the clamping hole 9, the end plate of the clamping rod 11 is welded with a spring 13, the other end of the spring 13 is welded to the fixing plate 10, and a disassembly mechanism 14 is provided on the lifting ring 8.

[0026] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 There are four screw rods 6, which are evenly distributed on the mounting seat 1. Through the setting of the screw rods 6, the lifting ring 8 can be fixed. The outer side of the screw rod 6 is fixedly sleeved with a gasket 7, which is in contact with the mounting seat 1. Through the setting of the gasket 7, the screw rod 6 can be positioned.

[0027] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 There are multiple card holes 9, which are arranged in a circular array on the screw 6. The setting of the card holes 9 makes it easy to cooperate with the card rod 11 for plugging and use. The upper side of the card rod 11 is fixedly connected with a triangular block 12, and the triangular block 12 is slidably connected to the fixed plate 10. Through the setting of the triangular block 12, the card rod 11 can be moved and guided.

[0028] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 The disassembly and assembly mechanism 14 includes a snap ring 141, which is sleeved on the outer side of the lifting ring 8, and a steel wire rope 142 is fixedly connected to the upper side of the snap ring 141. The inner wall of the snap ring 141 is slidably connected to a limit rod 143, and the side of the limit rod 143 is fixedly connected to an end piece 144. The lower side of the snap ring 141 is fixedly connected to a support frame 145, and the horizontal part of the support frame 145 is bonded with an elastic member 146, and the other end of the elastic member 146 is bonded to the limit rod 143. Through the setting of the elastic member 146, the limit rod 143 can be connected and used. Through the setting of the limit rod 143, the snap ring 141 can be limited to ensure the stability of the installation of the snap ring 141 and the lifting ring 8 is connected and used.

[0029] The specific implementation process of the utility model is as follows: when in use, by pulling the clamping rod 11 to move away from the screw rod 6, the triangular block 12 is driven to slide along the inner wall of the fixing plate 10, so that the spring 13 is deformed, and then the screw rod 6 is pushed to contact the mounting seat 1, and the screw rod 6 is rotated to make the screw rod 6 do a threaded motion, and under the action of the washer 7, the screw rod 6 is positioned, and then the screw rod 6 is fixed, and then the clamping rod 11 is loosened to allow the spring 13 to recover its deformation, so as to pull the clamping rod 11 into the clamping hole 9, limit the screw rod 6, avoid the screw rod 6 from oscillating and loosening stably, so as to ensure the long-term and stable installation of the screw rod 6;

[0030] By pushing the end piece 144 downward to drive the limit rod 143 to slide along the inner wall of the clamping ring 141, the elastic member 146 is deformed under the action of the support frame 145, and then the clamping ring 141 with the notch is clamped into the lifting ring 8, and the setting of the wire rope 142 is cooperated to complete the connection between the heavy grab bucket and the gantry crane. When the heavy grab bucket needs to be disassembled, assembled or replaced, the end piece 144 can be pushed downward. Similarly, the limit rod 143 is finally moved away from the notch of the clamping ring 141 to pull the clamping ring 141 away from the lifting ring 8.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heavy-duty grab bucket that is easy to disassemble, assemble and replace, comprising a mounting base (1), characterized in that: The front and rear ends of the mounting seat (1) are both hingedly connected to a hinged plate (2), the lower end of the hinged plate (2) is hingedly connected to a grab (3), a driver (4) is provided inside the mounting seat (1), a driven component (5) is provided on the grab (3), the driven component (5) and the driver (4) are connected via a steel cable, and a screw (6) is connected to the inner wall of the mounting seat (1) via a threaded connection; The upper end of the screw rod (6) is fixedly connected to a lifting ring (8), a clamping hole (9) is provided on the surface of the screw rod (6), the upper end of the mounting seat (1) is fixedly connected to a fixing plate (10), the inner wall of the fixing plate (10) is slidably connected to a clamping rod (11), the clamping rod (11) is slidably connected to the clamping hole (9), the end plate of the clamping rod (11) is welded with a spring (13), the other end of the spring (13) is welded to the fixing plate (10), and a disassembly mechanism (14) is provided on the lifting ring (8).

2. The heavy-duty grab bucket that is easy to disassemble, assemble, and replace according to claim 1, characterized in that: A backing ring (7) is fixedly sleeved on the outer side of the screw rod (6), and the backing ring (7) is in contact with the mounting seat (1).

3. The heavy-duty grab bucket that is easy to disassemble, assemble and replace according to claim 1, characterized in that: A plurality of the clamping holes (9) are provided, and the plurality of the clamping holes (9) are arranged in a ring array on the screw rod (6).

4. The heavy-duty grab bucket that is easy to disassemble, assemble and replace according to claim 1, characterized in that: A triangular block (12) is fixedly connected to the upper side of the clamping rod (11), and the triangular block (12) is slidably connected to the fixing plate (10).

5. The heavy-duty grab bucket that is easy to disassemble, assemble and replace according to claim 1, characterized in that: Four screw rods (6) are provided, and the four screw rods (6) are evenly distributed on the mounting seat (1).

6. The heavy-duty grab bucket that is easy to disassemble, assemble and replace according to claim 1, characterized in that: The disassembly and assembly mechanism (14) includes a snap ring (141), the outer side of the hanging ring (8) is sleeved with the snap ring (141), the upper side of the snap ring (141) is fixedly connected to a steel wire rope (142), the inner wall of the snap ring (141) is slidably connected to a limit rod (143), the side of the limit rod (143) is fixedly connected to an end plate (144), and the lower side of the snap ring (141) is fixedly connected to a support frame (145).

7. The heavy-duty grab bucket that is easy to disassemble, assemble, and replace according to claim 6, characterized in that: An elastic member (146) is bonded to the horizontal portion of the support frame (145), and the other end of the elastic member (146) is bonded to the limiting rod (143).

Images