Quick-release connecting structure for engineering machinery and tools

Abstract

The utility model discloses a quick-release connecting structure for engineering machinery, which relates to the technical field of engineering machinery structures and comprises an excavator bucket, a plurality of bucket teeth are arranged on the outer side of the bottom of the excavator bucket, a wedging groove is formed in one end, close to the excavator bucket, of each bucket tooth, and three connecting rod holes are formed in the positions, located in the wedging grooves, of the excavator bucket. Three reinforcing rod ribs are fixed to the positions, located in the corresponding wedging grooves, of the bucket teeth, and connecting blocks are arranged at the positions, located at the positions of the bucket teeth, of the inner bottoms of the bucket teeth. According to the excavator bucket, the reinforcing rod rib, located in the wedging groove, of the bucket tooth can sequentially retreat from the interior of the internal thread cap and the connection rod hole, then the residual bucket tooth and the reinforcing rod rib can be separated from the excavator bucket, then the reinforcing rod rib of a new bucket tooth penetrates through the connection rod hole and then is in threaded connection with the internal thread cap again, and the detaching and replacing effects are achieved; and the whole replacement steps are simple and rapid, and the construction period is not delayed.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering machinery and tools, in particular to a quick-release connection structure of engineering machinery and tools. Background Art

[0002] Excavators are the most common siege machines. There are multiple digging teeth on their buckets, also called bucket teeth, to facilitate better digging of soil. When digging, the soil often contains hard stones. Repeated digging will cause the bucket teeth to break, so they need to be repaired.

[0003] In the process of implementing the solution, the inventors found that the following problems existed in the prior art and had not been well solved: the traditional maintenance method is to call a welder to weld the broken bucket teeth back to the bucket by electric welding, but since the welder cannot be on call at the construction site at all times, the progress of the project will be affected and the construction period will be delayed while waiting for the welder to come. Utility Model Content

[0004] The main purpose of the utility model is to provide a quick-release connection structure for engineering machinery and tools, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A quick-release connection structure for engineering machinery and tools comprises a bucket, wherein a plurality of bucket teeth are arranged on the outer side of the bottom of the bucket, a fitting groove is bored on one end of the bucket teeth close to the bucket, three connecting rod holes are bored on the bucket at the fitting groove positions, three reinforcing rod ribs are fixed inside the bucket teeth at the fitting groove positions, a connecting block is arranged on the inner bottom of the bucket at the bucket tooth position, an adjusting bottom groove is bored on the bottom of the bucket at the connecting block position, an internal threaded cap and a limiting insert matching the number of reinforcing rod ribs on the bucket teeth are embedded inside the adjusting bottom groove, and external threaded teeth are arranged on the outer wall of the reinforcing rod ribs at the internal threaded cap position.

[0007] Preferably, the positions of the reinforcing rod, the connecting rod hole, the internal threaded cap and the limiting insert match each other.

[0008] Preferably, the reinforcing rod ribs are respectively connected to the connecting rod holes, and one end of the reinforcing rod ribs passing through the connecting rod holes are respectively inserted into the inside of the adjusting bottom groove, and one end of the reinforcing rod ribs inserted into the inside of the adjusting bottom groove are respectively threadedly connected with the internal threaded caps matching the position.

[0009] Preferably, the reinforcing rod ribs are respectively connected through internal threaded caps that match the positions, and one end of the bucket teeth passing through the internal threaded caps are respectively inserted into the interior of the limiting inserts, and the limiting inserts are respectively welded to the inner wall of the adjusting bottom groove.

[0010] Preferably, the outer diameter of the reinforcing rod matches the inner diameter of the connecting rod hole and the limiting insert respectively.

[0011] Preferably, the inner wall of the mating groove is in contact with the outer wall of the bucket located on the side of the connecting rod hole away from the adjusting bottom groove.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] When one of the bucket teeth breaks, the internal threaded cap is rotated at the position of the adjusting bottom groove so that the reinforcing bar of the bucket tooth in the matching groove can be withdrawn from the internal threaded cap and the connecting rod hole in turn, so that the remaining bucket tooth and reinforcing bar can be separated from the bucket, and then the reinforcing bar of the new bucket tooth is passed through the connecting rod hole and re-threaded with the internal threaded cap to achieve the effect of disassembly and replacement. The entire replacement procedure is simple and quick, and does not delay the construction period. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a top view structural diagram of a quick-release connection structure for an engineering machine tool according to the utility model;

[0015] Figure 2 This is a bottom view structural diagram of a quick-release connection structure for an engineering machine tool according to the utility model;

[0016] Figure 3 It is a cross-sectional structural schematic diagram of a bucket of a quick-release connection structure for an engineering machine tool according to the utility model, located at an adjusting bottom groove position of a connection box;

[0017] Figure 4 The utility model is a schematic cross-sectional structure diagram of a local internal thread cap and a limit insert cylinder of a quick-release connection structure of an engineering machinery tool.

[0018] In the figure: 1. bucket; 11. connecting block; 12. adjusting bottom groove; 13. connecting rod hole; 2. bucket teeth; 21. fitting groove; 22. reinforcing rod rib; 23. external threaded teeth; 3. internal threaded cap; 4. limit insert. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1-4As shown, a quick-release connection structure for construction machinery and tools comprises a bucket 1, a plurality of bucket teeth 2 are arranged on the outer side of the bottom of the bucket 1, a fitting groove 21 is excavated at one end of the bucket teeth 2 close to the bucket 1, three connecting rod holes 13 are excavated at the position of the fitting groove 21 of the bucket 1, three reinforcing rod ribs 22 are fixed inside the bucket teeth 2 at the positions of the fitting grooves 21, a connecting block 11 is arranged at the inner bottom of the bucket 1 at the position of the bucket teeth 2, an adjusting bottom groove 12 is excavated at the bottom of the bucket 1 at the position of the connecting block 11, an internal threaded cap 3 and a limiting insert 4 matching the number of reinforcing rod ribs 22 on the bucket teeth 2 are embedded inside the adjusting bottom groove 12, and external threaded teeth 23 are arranged on the outer wall of the reinforcing rod ribs 22 at the position of the internal threaded cap 3.

[0021] Specifically, the positions of the reinforcing rod rib 22, the connecting rod hole 13, the internal threaded cap 3, and the limiting insert 4 match each other.

[0022] Specifically, the reinforcing rod ribs 22 are respectively connected to the connecting rod holes 13, and one end of the reinforcing rod ribs 22 passing through the connecting rod holes 13 is respectively inserted into the inside of the adjusting bottom groove 12, and one end of the reinforcing rod ribs 22 inserted into the inside of the adjusting bottom groove 12 is threadedly connected with the internal threaded cap 3 of matching position, so that the bucket tooth 2 and the bucket 1 can be connected together.

[0023] Specifically, the reinforcing rod ribs 22 are respectively connected with the internal threaded caps 3 of matching positions, and the bucket teeth 2 pass through one end of the internal threaded caps 3 and are respectively inserted into the interior of the limiting inserts 4. The limiting inserts 4 are respectively welded to the inner walls of the adjusting bottom grooves 12 to increase the limiting effect of the reinforcing rod ribs 22.

[0024] Specifically, the outer diameter of the reinforcing rod rib 22 matches the inner diameter of the connecting rod hole 13 and the limiting insert 4, respectively, to avoid shaking due to size difference.

[0025] Specifically, the inner wall of the fitting groove 21 contacts the outer wall of the bucket 1 located on the side of the connecting rod hole 13 away from the adjusting bottom groove 12 , so that the bucket tooth 2 can fit the bucket 1 more closely.

[0026] Working principle:

[0027] When one of the bucket teeth 2 is broken, the internal threaded cap 3 is rotated at the position of the adjusting bottom groove 12 so that the reinforcing rod rib 22 of the bucket tooth 2 located in the fitting groove 21 can be withdrawn from the internal threaded cap 3 and the connecting rod hole 13 in turn, so that the remaining bucket tooth 2 and the reinforcing rod rib 22 can be separated from the bucket 1, and then the reinforcing rod rib 22 of the new bucket tooth 2 is passed through the connecting rod hole 13 and re-threadedly connected with the internal threaded cap 3, so as to achieve the effect of disassembly and replacement, and the whole replacement procedure is simple and fast, and does not delay the construction period.

[0028] The circuits, electronic components and control modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the utility model does not involve improvements to software and methods.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A quick-release connection structure for an engineering machine tool, comprising a bucket (1), characterized in that: A plurality of bucket teeth (2) are arranged on the outer side of the bottom of the bucket (1); a fitting groove (21) is bored at one end of the bucket teeth (2) close to the bucket (1); three connecting rod holes (13) are bored at the fitting groove (21) of the bucket (1); three reinforcing rod ribs (22) are fixed inside the bucket teeth (2) at the fitting groove (21); a connecting block (11) is arranged at the inner bottom of the bucket (1) at the position of the bucket teeth (2); an adjusting bottom groove (12) is bored at the bottom of the bucket (1) at the position of the connecting block (11); an internal threaded cap (3) and a limiting insert (4) matching the number of reinforcing rod ribs (22) on the bucket teeth (2) are embedded inside the adjusting bottom groove (12); and an external threaded tooth (23) is arranged at the outer wall of the reinforcing rod rib (22) at the position of the internal threaded cap (3).

2. The quick-release connection structure for construction machinery according to claim 1, characterized in that: The positions of the reinforcing rod rib (22), the connecting rod hole (13), the internal thread cap (3), and the limiting insert (4) match each other.

3. The quick-release connection structure for construction machinery according to claim 1, characterized in that: The reinforcing rod ribs (22) are respectively connected to the connecting rod holes (13), and one end of the reinforcing rod ribs (22) passing through the connecting rod holes (13) is respectively inserted into the inside of the adjusting bottom groove (12), and one end of the reinforcing rod ribs (22) inserted into the inside of the adjusting bottom groove (12) is respectively threadedly connected to the internal threaded caps (3) of matching positions.

4. The quick-release connection structure for construction machinery according to claim 1, characterized in that: The reinforcing rod ribs (22) are respectively connected to internal threaded caps (3) of matching positions, and one end of the bucket teeth (2) passes through the internal threaded caps (3) and is respectively inserted into the interior of the limiting inserts (4), and the limiting inserts (4) are respectively welded to the inner wall of the adjusting bottom groove (12).

5. The quick-release connection structure for construction machinery according to claim 1, characterized in that: The outer diameter of the reinforcing rod rib (22) matches the inner diameter of the connecting rod hole (13) and the limiting insert cylinder (4) respectively.

6. The quick-release connection structure for construction machinery according to claim 1, characterized in that: The inner wall of the fitting groove (21) is respectively in contact with the outer wall of the bucket (1) located on the side of the connecting rod hole (13) away from the adjusting bottom groove (12).

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