Grab bucket

Abstract

The utility model discloses a grab bucket which comprises a rotating shaft mounting plate, a reversing frame, an air cylinder mounting plate, an air cylinder, a quick discharge valve, a claw and a mounting mechanism, each claw corresponds to one air cylinder, one air cylinder mounting plate, one quick discharge valve and one mounting mechanism; the reversing frame is installed below the rotating shaft installation plate, the air cylinder installation plate is installed at the end of the reversing frame, the air cylinder is installed below the air cylinder installation plate, the claw is connected to the air cylinder, the installation mechanism is connected to the reversing frame, and the quick discharge valve is connected to the installation mechanism. According to the utility model, the quick discharge valve is mounted on the reversing frame of the grab bucket through the mounting mechanism, so that the quick discharge valve is positioned on the inner side of each air cylinder, and the quick discharge valve is prevented from being rubbed with an electrolytic bath mother, so that the safety of equipment is protected, and the situation that the operation of the grab bucket is influenced due to the damage of the quick discharge valve is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of crown grab bucket, especially to a grab bucket. BACKGROUND

[0002] In the prior art, the grab bucket of the multifunctional crown needs to use the quick exhaust valve to perform exhaust work in the operations such as opening, closing and slag shock.

[0003] However, the existing quick exhaust valve is installed on the cylinder mounting plate of the grab bucket, and the cylinder mounting plate is arranged at both ends of the grab bucket. During the operation of the grab bucket, the quick exhaust valve installed on the cylinder mounting plate is prone to scratching the electrolytic cell mother on the multifunctional crown, thereby causing damage to the quick exhaust valve and further affecting the operation of the grab bucket mechanism. SUMMARY

[0004] The utility model discloses a grab bucket, which aims to solve the problem that the existing quick exhaust valve is installed on the cylinder mounting plate of the grab bucket and is prone to scratching the electrolytic cell mother.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme: a grab bucket is provided, which comprises a rotating shaft mounting plate, a slewing frame, a cylinder mounting plate, a cylinder, a quick exhaust valve, a claw and a mounting mechanism; each claw corresponds to one cylinder, one cylinder mounting plate, one quick exhaust valve and one mounting mechanism; the slewing frame is installed below the rotating shaft mounting plate, the cylinder mounting plate is installed at the end of the slewing frame, the cylinder is installed below the cylinder mounting plate, the claw is connected to the cylinder, the mounting mechanism is connected to the slewing frame, and the quick exhaust valve is connected to the mounting mechanism.

[0006] Further, the mounting mechanism comprises: a first connecting piece connected to the slewing frame; and a second connecting piece connected to the first connecting piece at one end and connected to the quick exhaust valve at the other end.

[0007] Further, the first connecting piece is in the shape of a square box and is sleeved on the slewing frame.

[0008] Further, the first connecting piece is detachably connected to the slewing frame.

[0009] Further, the first connecting piece is rotatably connected to the slewing frame.

[0010] Further, the second connecting piece is in the shape of a ring provided with a first notch, and the quick exhaust valve is clamped on the second connecting piece.

[0011] Further, the second connecting piece is in the shape of a square box provided with a second notch, and a limiting portion is arranged on the second connecting piece, and the quick release valve penetrates into the second connecting piece and is clamped above the limiting portion.

[0012] Further, the first connecting piece and the second connecting piece are integrally formed.

[0013] Further, the second connecting piece is detachably connected to the first connecting piece.

[0014] Further, the second connecting piece is rotatably connected to the first connecting piece.

[0015] According to the grab bucket provided by the embodiment of the utility model, the quick release valve is installed on the slewing frame of the grab bucket through the mounting mechanism, so that the quick release valve is located on the inner side of each cylinder, the quick release valve is prevented from being scratched by the electrolytic cell, the equipment safety is protected, and the situation that the operation of the grab bucket is affected due to damage of the quick release valve is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0017] Figure 1 It is a structural schematic view of a grab bucket in the prior art;

[0018] Figure 2 It is a structural schematic view of a grab bucket provided by the embodiment of the utility model;

[0019] Figure 3 It is a structural schematic view of a mounting mechanism provided by the embodiment of the utility model;

[0020] Figure 4 It is a structural schematic view of a mounting mechanism provided by another embodiment of the utility model;

[0021] Figure 5 It is a structural schematic view of a quick release valve provided by the embodiment of the utility model.

[0022] EXPLANATION OF REFERENCE NUMERALS:

[0023] 1, pivot mounting plate; 2, rotary frame; 3, cylinder mounting plate; 4, cylinder; 5, quick exhaust valve; 51, quick exhaust valve valve; 6, claw; 7, mounting mechanism; 71, first connecting piece; 711, sleeve hole; 72, second connecting piece; 721, first notch; 722, second notch; 723, limiting part. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail with the help of the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0025] Because the quick exhaust valve is installed on the cylinder mounting plate of the grab bucket in the prior art, the technical problem that the quick exhaust valve is easy to scratch the electrolytic tank mother.

[0026] Please refer to Figures 1-4 In order to solve the above technical problems, the utility model provides a grab bucket, which comprises a pivot mounting plate 1, a rotary frame 2, a cylinder mounting plate 3, a cylinder 4, a quick exhaust valve 5, a claw 6 and a mounting mechanism 7; each claw 6 corresponds to one cylinder 4, one cylinder mounting plate 3, one quick exhaust valve 5 and one mounting mechanism 7; the rotary frame 2 is installed below the pivot mounting plate 1, the cylinder mounting plate 3 is installed at the end of the rotary frame 2, the cylinder 4 is installed below the cylinder mounting plate 3, the claw 6 is connected to the cylinder 4, the mounting mechanism 7 is connected to the rotary frame 2, and the quick exhaust valve 5 is connected to the mounting mechanism 7.

[0027] In the embodiment of the utility model, in combination with Figure 1 It can be known that in the prior art, the quick exhaust valve 5 is installed on the cylinder mounting plate 3 and located in the direction of the outer side of the cylinder 4, so that the quick exhaust valve 5 protrudes outside the grab bucket, and the quick exhaust valve 5 is easy to scratch the electrolytic tank mother beside the grab bucket. However, in the embodiment, the quick exhaust valve 5 is installed on the rotary frame 2 of the grab bucket through the mounting mechanism 7. Since the cylinder 4 is installed at the end of the rotary frame 2, the quick exhaust valve 5 is located on the inner side of each cylinder 4, which avoids the quick exhaust valve 5 from scratching the electrolytic tank mother, thereby protecting the safety of the equipment and preventing the situation that the operation of the grab bucket is affected due to the damage of the quick exhaust valve 5. Specifically, the structure of the rotary frame 2 is set according to the number of grab bucket claws 6, so that each mounting mechanism 7 can correspond to each quick exhaust valve 5, and further correspond to each cylinder 4 and each claw 6.

[0028] In some embodiments, the mounting mechanism 7 comprises: a first connecting piece 71 connected to the rotary frame 2; and a second connecting piece 72, one end of the second connecting piece 72 being connected to the first connecting piece 71 and the other end being connected to the quick exhaust valve 5.

[0029] The utility model discloses an installation mechanism 7 is installed on the rotary frame 2 of multifunctional crown block's grab bucket through the quick -release valve 5, avoids the quick -release valve 5 and the electrolytic cell female on multifunctional crown block to scratch, thereby protected the equipment safety, and further prevented the situation that the quick -release valve 5 damage influences the grab bucket operation to occur.

[0030] In some embodiments, the first connecting piece 71 is a square box, and the first connecting piece 71 is sleeved on the rotary frame 2.

[0031] In this embodiment, the first connecting piece 71 is a square box, which is convenient to sleeve on the square rotary frame 2, so that the installation mechanism 7 installs the quick-release valve 5 on the rotary frame 2, thereby avoiding the quick-release valve 5 from scratching the electrolytic cell female. Specifically, the first connecting piece 71 includes a sleeve hole 711, and the sleeve hole 711 is not less than the cross-sectional dimension of the rotary frame 2 in the radial direction, which is convenient to sleeve the first connecting piece 71 on the rotary frame 2.

[0032] In some embodiments, the first connecting piece 71 is detachably connected to the rotary frame 2.

[0033] In this embodiment, the first connecting piece 71 is detachably connected to the rotary frame 2, so that the installation mechanism 7 is convenient to maintain and replace, and the quick-release valve 5 can be installed on the second connecting piece 72 first, and then the first connecting piece 71 is installed on the rotary frame 2, so that the installation of the quick-release valve 5 is faster, and the detachable connection is convenient to adjust the position of the installation mechanism 7 to a position suitable for connecting the air cylinder 4 of the quick-release valve 5.

[0034] In some embodiments, the first connecting piece 71 is rotatably connected to the rotary frame 2.

[0035] In this embodiment, the first connecting piece 71 is rotatably connected to the rotary frame 2, so that the installation mechanism 7 can rotate on the rotary frame 2 to adjust the facing direction of the quick-release valve 5, which is convenient for the quick-release valve 5 to control the discharge speed of the gas in the air cylinder 4.

[0036] Please refer to Figure 5 , the existing quick-release valve 5 is generally cylindrical, and the quick-release valve 5 is provided with a quick-release valve door 51.

[0037] In some embodiments, the second connecting piece 72 is a circular ring provided with a first notch 721, and the quick-release valve 5 is clamped on the second connecting piece 72.

[0038] In the embodiment, the circular ring-shaped quick release valve 5 corresponds to the cylindrical shape, so that the second connecting piece 72 can be sleeved with the quick release valve 5, and the first notch 721 corresponds to the quick release valve gate 51, and is used for the quick release valve gate 51 to pass through. Specifically, the second connecting piece 72 is made of hard material, so that the second connecting piece 72 stably limits the quick release valve 5 near the first notch 721 end, so as to prevent the quick release valve 5 from falling off.

[0039] In some embodiments, the second connecting piece 72 is in the shape of a square box provided with a second notch 722, and the second connecting piece 72 is provided with a limiting portion 723, the quick release valve 5 is inserted into the second connecting piece 72 and clamped above the limiting portion 723.

[0040] In the embodiment, the second notch 722 is used for the quick release valve gate 51 to pass through, the quick release valve 5 is inserted into the second connecting piece 72, and the limiting portion 723 abuts below the quick release valve 5, so as to limit the quick release valve 5 in the second connecting piece 72, and stably install the quick release valve 5 on the rotary frame 2.

[0041] In some embodiments, the first connecting piece 71 and the second connecting piece 72 are integrally formed.

[0042] In the embodiment, the first connecting piece 71 and the second connecting piece 72 are integrally formed, which is helpful to the stability of the mounting mechanism 7, and is convenient for the production of the mounting mechanism 7.

[0043] In some embodiments, the second connecting piece 72 is detachably connected to the first connecting piece 71.

[0044] In the embodiment, the second connecting piece 72 is detachably connected to the first connecting piece 71, the first connecting piece 71 can be installed on the rotary frame 2 first, and then the second connecting piece 72 is installed on the first connecting piece 71, which can avoid the obstruction caused by the installation of the second connecting piece 72 to the first connecting piece 71, so that the installation of the mounting mechanism 7 is more convenient and fast. For example, the first connecting piece 71 and the second connecting piece 72 can be connected together by setting corresponding connecting holes and through threaded connection.

[0045] In some embodiments, the second connecting piece 72 is rotatably connected to the first connecting piece 71.

[0046] In the embodiment, the second connecting piece 72 is rotatably connected to the first connecting piece 71, which is convenient for adjusting the position of the quick release valve 5 by rotating the second connecting piece 72, so that the quick release valve 5 can more conveniently control the discharge speed of the gas in the cylinder 4. For example, a rotating shaft can be connected below the first connecting piece 71, and the second connecting piece 72 is connected to the rotating shaft.

[0047] The same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components; in the description of the utility model, it is understood that if there are terms "upper", "lower", "left", "right" and the like indicating the orientation or positional relationship, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore, the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the utility model, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0048] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A grab, characterized in that The installation mechanism comprises a rotating shaft mounting plate, a rotating frame, a cylinder mounting plate, a cylinder, a quick release valve, a claw and a mounting mechanism; Each claw corresponds to one cylinder, one cylinder mounting plate, one quick release valve and one mounting mechanism; The rotating frame is mounted below the rotating shaft mounting plate, the cylinder mounting plate is mounted at the end of the rotating frame, the cylinder is mounted below the cylinder mounting plate, the claw is connected to the cylinder, the mounting mechanism is connected to the rotating frame, and the quick release valve is connected to the mounting mechanism.

2. The grab according to claim 1, characterized in that The mounting mechanism comprises: A first connecting piece connected to the rotating frame; A second connecting piece connected to the first connecting piece at one end and connected to the quick release valve at the other end.

3. The grab according to claim 2, characterized in that The first connecting piece is in the shape of a square box, and the first connecting piece is sleeved on the rotating frame.

4. The grab as claimed in claim 2, characterized in that The first connecting piece is detachably connected to the rotating frame.

5. The grab of claim 2, wherein, The first connecting piece is rotatably connected to the rotating frame.

6. The grab of claim 2, wherein, The second connecting piece is in the shape of a circular ring provided with a first notch, and the quick release valve is clamped on the second connecting piece.

7. The grab of claim 2, wherein, The second connecting piece is in the shape of a square box provided with a second notch, and the second connecting piece is provided with a limiting portion, and the quick release valve penetrates into the second connecting piece and is clamped above the limiting portion.

8. The grab of claim 2, wherein, The first connecting piece and the second connecting piece are integrally formed.

9. The grab of claim 2, wherein, The second connecting piece is detachably connected to the first connecting piece.

10. The grab of claim 2, wherein, The second connecting piece is rotatably connected to the first connecting piece.

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