Excavator hoisting structure for hoisting beveling machine

Abstract

The excavator hoisting structure comprises two sets of vertically-arranged hanging arms, round holes penetrating left and right are formed in the upper portions of the hanging arms, straight grooves penetrating left and right are formed in the lower portions of the hanging arms in the front-back direction, a cross beam is arranged between the two straight grooves, and a strip-shaped through groove penetrating up and down is formed in the middle of the cross beam; a lifting lug structure is arranged at the through groove and comprises a fixing plate, a lug plate is arranged below the fixing plate, a lifting hole is formed in the lug plate, the fixing plate is larger than the through groove, the lug plate penetrates through the through groove, and a shaft sleeve is further arranged at the round hole. By designing the structures of the hanging arms, the cross beams and the lifting lugs, an existing direct welding connection mode is replaced, the connecting force replaces the welding seam force to adapt to the weight of the beveling machine, and the strength of the whole structure is improved.

Description

Technical Field

[0001] The invention relates to the technical field of beveling machine lifting structures, and in particular to an excavator lifting structure used for lifting a beveling machine. Background Art

[0002] In the field of construction engineering, the beveling machine is one of the tools used to bevel the pipe. When used, it is usually lifted with an excavator and then used on the pipe. Figure 1 As shown, it is a hoisting connection structure between the existing beveling machine and the excavator connection part, including two groups of vertical connecting plates connected to the excavator, a cross beam welded between the two connecting plates, and a lifting lug welded under the cross beam, and the lifting lug is used to connect with the beveling machine; in the above structure, the lifting structure is affected by the force of the weld seam to affect the lifting weight, and there is a problem of cracking at the weld seam when lifting a heavy beveling machine. Summary of the invention

[0003] The purpose of the present invention is to provide an excavator hoisting structure for hoisting a groove machine, which ensures stable connection and a larger hoisting weight, in view of the shortcomings existing in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides an excavator hoisting structure for hoisting a groove machine, which adopts the following technical solutions: A hoisting structure for an excavator used for hoisting a beveling machine comprises two groups of vertically arranged hanging arms, wherein the upper part of the hanging arms is provided with round holes penetrating left and right, the lower part of the hanging arms is provided with straight grooves penetrating left and right in the front-to-back direction, a cross beam is provided between the two straight grooves, the middle part of the cross beam is provided with a strip-shaped through groove penetrating up and down, the through groove is provided with a lifting ear structure, the lifting ear structure comprises a fixed plate, an ear plate is provided below the fixed plate, a lifting hole is provided on the ear plate, the fixed plate is larger than the through groove, the ear plate passes through the through groove, and a shaft sleeve is also provided at the round hole.

[0005] A further improvement of the hoisting structure of an excavator for hoisting a groove machine of the present invention is that the shaft sleeve is welded to the circular hole, the cross beam is welded to the straight groove, and the fixing plate is welded to the cross beam.

[0006] A further improvement of the excavator lifting structure used for lifting a beveling machine of the present invention is that positioning grooves are provided at both ends of the crossbeam and are arranged in the front-to-back direction and penetrate up and down, the positioning groove is located on the side of the hanging arm away from the lifting ear structure, an auxiliary structure is arranged through the positioning groove, the auxiliary structure includes an auxiliary plate, a circular notch is provided on the upper part of the auxiliary plate, the shaft sleeve passes through the notch and abuts against the notch, a limit plate is provided on the auxiliary plate, the limit plate abuts against the lower end surface of the crossbeam, a cross plate is also provided at the lower end of the auxiliary plate, the cross plate is placed under the cross beam, and a support plate is provided between the cross plate and the cross beam.

[0007] A further improvement of the hoisting structure of an excavator for hoisting a groove machine of the present invention is that a threaded groove is upwardly provided at the upper end of the inner side of the notch and is screwed with a bolt, and the bolt is used to tighten the shaft sleeve.

[0008] A further improvement of the excavator lifting structure used for lifting a beveling machine of the present invention is that an auxiliary groove running through from top to bottom is provided on the horizontal plate, an auxiliary lifting ear structure is provided at the auxiliary groove, the auxiliary lifting ear structure includes an auxiliary fixing plate and an auxiliary ear plate, an auxiliary lifting hole is provided on the auxiliary ear plate, the auxiliary lifting hole and the lifting hole are at the same height, and the ear plate and the auxiliary ear plate are arranged perpendicular to each other.

[0009] Compared with the prior art, the present invention has the following beneficial effects: The present invention replaces the existing direct welding connection form by designing the hanging arm, the crossbeam and the lifting lug structure, and adapts the weight of the groove machine to the welding force instead of the connecting force, thereby improving the strength of the overall structure.

[0010] The present invention adds an auxiliary structure, which is detachably connected to the main structure, and can further provide auxiliary support to the main structure, thereby further ensuring the strength and stability of the overall structure for lifting a heavier beveling machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the prior art; Figure 2 It is a structural schematic diagram of the present invention; Figure 3 A schematic diagram of the structure of the present invention with an additional auxiliary structure; In the figure: 1 hanging arm, 2 cross beam, 3 fixing plate, 4 ear plate, 5 shaft sleeve, 6 auxiliary plate, 7 limit plate, 8 cross plate, 9 support plate, 10 auxiliary groove, 11 bolt. DETAILED DESCRIPTION

[0012] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0013] like Figure 2As shown, an excavator hoisting structure for hoisting a groove machine comprises two sets of vertically arranged hanging arms 1, the upper part of the hanging arms is provided with round holes penetrating left and right, the lower part of the hanging arms is provided with straight grooves penetrating left and right arranged in the front-back direction, a crossbeam 2 is provided between the two straight grooves, the middle part of the crossbeam is provided with a strip-shaped through groove penetrating up and down, the through groove is arranged horizontally, and a lifting ear structure is provided at the through groove, the lifting ear structure comprises a fixing plate 3, an ear plate 4 is provided below the fixing plate, a lifting hole is provided on the ear plate, the fixing plate is larger than the through groove, the ear plate passes through the through groove, and a shaft sleeve 5 is also provided at the round hole. The shaft sleeve is welded to the round hole, the crossbeam is welded to the straight groove, and the fixing plate is welded to the crossbeam.

[0014] Further, such as Figure 3 As shown, another embodiment of the present invention is that positioning grooves are added at both ends of the crossbeam and are arranged in the front-to-back direction. The positioning groove is located on the side of the hanging arm away from the ear structure. An auxiliary structure is arranged through the positioning groove. The auxiliary structure includes an auxiliary plate 6. A circular notch is provided at the upper part of the auxiliary plate. The shaft sleeve passes through the notch and abuts against the notch. A limit plate 7 is provided on the auxiliary plate. The limit plate abuts against the lower end surface of the crossbeam. A cross plate 8 is also provided at the lower end of the auxiliary plate. The cross plate is placed under the crossbeam. A support plate 9 is provided between the cross plate and the crossbeam. The auxiliary plate passes through the positioning groove, and the positioning groove is larger than the cross-sectional area of ​​the auxiliary plate, so that the auxiliary plate can be adjusted to ensure that the notch is fitted on the shaft sleeve. A threaded groove is provided upward at the upper end of the inner side of the notch, and a bolt 11 is screwed on it. The bolt is used to tighten the shaft sleeve.

[0015] Furthermore, an auxiliary groove 10 is provided on the horizontal plate and runs through from top to bottom. An auxiliary lifting ear structure (not shown in the figure) is provided at the auxiliary groove. The auxiliary lifting ear structure includes an auxiliary fixing plate and an auxiliary ear plate. The auxiliary ear plate is provided with an auxiliary lifting hole. The auxiliary lifting hole and the lifting hole are at the same height, and the ear plate and the auxiliary ear plate are arranged vertically.

[0016] The working principle of the present invention is: the lifting hole is connected to the groove machine through a connecting rope, and the connecting shaft of the excavator connection part passes through the shaft sleeve and is connected, so that the excavator can lift the groove machine through the lifting structure; when it is necessary to further increase the lifting weight, an auxiliary structure is added, which, on the one hand, supports and protects the main structure, and on the other hand, shares the lifting weight.

[0017] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An excavator hoisting structure for hoisting a groove machine, characterized in that: It comprises two groups of vertically arranged hanging arms, with round holes penetrating left and right at the upper part of the hanging arms, and straight grooves penetrating left and right in the front-back direction at the lower part of the hanging arms, a cross beam is arranged between the two straight grooves, a strip-shaped through groove penetrating up and down is arranged in the middle part of the cross beam, a lifting ear structure is arranged at the through groove, and the lifting ear structure comprises a fixing plate, an ear plate is arranged below the fixing plate, a lifting hole is arranged on the ear plate, the fixing plate is larger than the through groove, the ear plate passes through the through groove, and a shaft sleeve is also arranged at the round hole.

2. The excavator hoisting structure for hoisting a groove machine according to claim 1, characterized in that: The shaft sleeve is welded to the circular hole, the cross beam is welded to the straight groove, and the fixing plate is welded to the cross beam.

3. The excavator hoisting structure for hoisting a groove machine according to claim 2, characterized in that: Both ends of the crossbeam are provided with positioning grooves that pass through the upper and lower parts and are arranged in the front-to-back direction. The positioning groove is located on the side of the hanging arm away from the ear structure. An auxiliary structure is arranged through the positioning groove. The auxiliary structure includes an auxiliary plate. A circular notch is provided on the upper part of the auxiliary plate. The shaft sleeve passes through the notch and abuts against the notch. A limiting plate is provided on the auxiliary plate. The limiting plate abuts against the lower end surface of the crossbeam. A cross plate is also provided at the lower end of the auxiliary plate. The cross plate is placed under the cross beam, and a support plate is provided between the cross plate and the cross beam.

4. The excavator hoisting structure for hoisting a groove machine according to claim 3, characterized in that: A threaded groove is upwardly arranged at the upper end of the inner side of the notch and is screwed with a bolt, and the bolt is used to tighten the shaft sleeve.

5. The excavator hoisting structure for hoisting a groove machine according to claim 4, characterized in that: The horizontal plate is provided with an auxiliary groove which runs through from top to bottom, and an auxiliary lifting ear structure is provided at the auxiliary groove. The auxiliary lifting ear structure includes an auxiliary fixing plate and an auxiliary ear plate. The auxiliary ear plate is provided with an auxiliary lifting hole. The auxiliary lifting hole is at the same height as the lifting hole, and the ear plate and the auxiliary ear plate are arranged perpendicular to each other.

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