CN220888773U - H-shaped high-strength connecting rod for hydraulic excavator - Google Patents
H-shaped high-strength connecting rod for hydraulic excavator Download PDFInfo
- Publication number
- CN220888773U CN220888773U CN202322385786.0U CN202322385786U CN220888773U CN 220888773 U CN220888773 U CN 220888773U CN 202322385786 U CN202322385786 U CN 202322385786U CN 220888773 U CN220888773 U CN 220888773U
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- plate
- pipe
- plates
- hydraulic excavator
- connecting rod
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- 230000001681 protective effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to the field of engineering mechanical parts, in particular to an H-shaped high-strength connecting rod for a hydraulic excavator. The device comprises a frame body, a pipe a and a pipe b; the frame body comprises two plates a arranged in parallel up and down, two plates c arranged in parallel back and forth and a plate b connected with the two plates a, wherein the plates c are connected with the plates a; the pipe a is connected with the plate a, the plate b and the plate c, the pipe a is provided with a mounting channel a, two pipes a are arranged side by side along the axial direction, and an assembly space is formed between the two pipes a; the tube b is connected to the plate a and the plate c, and has a mounting channel b having a central axis parallel to the central axis of the mounting channel a. The utility model has high structural strength and strong tensile and compressive capacities.
Description
Technical Field
The utility model relates to the field of engineering machinery parts, in particular to an H-shaped high-strength connecting rod for a hydraulic excavator.
Background
The bucket cylinder of the hydraulic excavator is connected with the bucket through a connecting rod, and the excavator work mainly drives the bucket to act through the connecting rod. After a period of time, the connecting rod between the bucket cylinder and the bucket is subjected to great tension and pressure frequently for a long time, so that the problems of fatigue, cracking and the like are easy to occur, and the serious failure of the connecting rod can also cause the bending failure of the cylinder piston rod, the deformation failure of the bucket rod and the like, so that the reliability of the excavator is seriously influenced, and even the engineering progress is seriously influenced.
Disclosure of utility model
The utility model aims to solve the problems in the background technology and provides an H-shaped high-strength connecting rod for a hydraulic excavator, which has high structural strength and strong tensile and compressive capacities.
The technical scheme of the utility model relates to an H-shaped high-strength connecting rod for a hydraulic excavator, which comprises a frame body, a pipe a and a pipe b; the frame body comprises two plates a arranged in parallel up and down, two plates c arranged in parallel back and forth and a plate b connected with the two plates a, wherein the plates c are connected with the plates a; the pipe a is connected with the plate a, the plate b and the plate c, the pipe a is provided with a mounting channel a, two pipes a are arranged side by side along the axial direction, and an assembly space is formed between the two pipes a; the tube b is connected to the plate a and the plate c, and has a mounting channel b having a central axis parallel to the central axis of the mounting channel a.
Preferably, the plate a has a flat plate structure, one end of the plate a facing the pipe a is provided with a U-shaped groove facing the assembly space, the plate b has a U-shaped plate structure matched with the U-shaped groove, and the plate c has a flat plate structure.
Preferably, a threaded hole a is formed in the pipe a, a protection pipe a is arranged on the pipe a, and the threaded hole a is positioned on the inner side of the protection pipe a; the pipe b is provided with a threaded hole b, the pipe b is provided with a protection pipe b, and the threaded hole b is positioned on the inner side of the protection pipe b.
Preferably, plate a is welded to plate b, plate a is welded to plate c, tube a is welded to plate a, plate b and plate c, and tube b is welded to plate a and plate c.
Compared with the prior art, the utility model has the following beneficial technical effects:
The utility model has reasonable structure, firmness, high strength and strong tensile and compressive capacities, is used for connecting the bucket cylinder and the bucket of the excavator, has strong tensile strength and compressive strength, can adapt to the operation requirement of the excavator, and improves the reliability of the excavator.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a top view of an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a board a according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a board b according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a board c according to an embodiment of the present utility model;
FIG. 6 is a schematic view of a tube a according to an embodiment of the present utility model;
Fig. 7 is a schematic view of the structure of a tube b according to an embodiment of the present utility model.
Reference numerals: 1. a plate a; 2. a plate b; 3. a plate c; 4. a tube a; 401. a mounting channel a; 402. a threaded hole a; 5. a protective tube a; 6. a tube b; 601. a mounting channel b; 602. a threaded hole b; 7. a protective tube b; 8. and (5) an assembly space.
Detailed Description
Example 1
As shown in fig. 1 to 7, the H-shaped high strength connecting rod for a hydraulic excavator according to the present embodiment includes a frame, a pipe a4 and a pipe b6.
The frame body comprises two plates a1 which are arranged in parallel up and down, two plates c3 which are arranged in parallel back and forth, and a plate b2 connected with the two plates a1, wherein the plates c3 are connected with the plates a 1.
The pipe a4 is connected with the plate a1, the plate b2 and the plate c3, the pipe a4 is provided with a mounting channel a401, a pin shaft can penetrate through the mounting channel a401 and is used for connecting a piston rod of a bucket cylinder and the H-shaped high-strength connecting rod, the two pipes a4 are arranged side by side along the axial direction, an assembling space 8 is formed between the two pipes a4, and the assembling space 8 is used for assembling the piston rod of the bucket cylinder.
The pipe b6 is connected with the plate a1 and the plate c3, the pipe b6 is provided with a mounting channel b601, the central axis of the mounting channel b601 is parallel to the central axis of the mounting channel a401, and the mounting channel b601 can penetrate through a pin shaft to connect the bucket and the H-shaped high-strength connecting rod.
The plate a1 is of a flat plate structure, one end of the plate a1 facing the pipe a4 is provided with a U-shaped groove facing the assembly space 8, the plate b2 is of a U-shaped plate structure matched with the U-shaped groove, and the plate c3 is of a flat plate structure.
For the connection between the parts in this connecting rod, board a1 and board b2 welded connection, board a1 and board c3 welded connection, pipe a4 and board a1, board b2 and board c3 welded connection, pipe b6 and board a1 and board c3 welded connection to can weld and obtain the connecting rod structure that structural strength is high.
The embodiment has reasonable structure, firmness, high strength, strong tensile and compressive capacities, difficult bending failure and deformation failure, is used for connecting the bucket cylinder and the bucket of the excavator, has strong tensile strength and compressive strength, can adapt to the operation requirement of the excavator, and improves the reliability of the excavator.
Example two
As shown in fig. 1, 6 and 7, in the present embodiment, compared with the first embodiment, the pipe a4 is provided with the threaded hole a402, the pipe a4 is provided with the protection pipe a5, and the threaded hole a402 is located inside the protection pipe a 5; the tube b6 is provided with a threaded hole b602, the tube b6 is provided with a protective tube b7, and the threaded hole b602 is positioned inside the protective tube b 7.
In this embodiment, screw hole a402 and screw hole b602 are connected with grease nipple by screw respectively, and the protection pipe is used for protecting the grease nipple on the inner side.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (4)
1. An H-shaped high strength link for a hydraulic excavator, comprising:
the frame body comprises two plates a (1) which are arranged in parallel up and down, two plates c (3) which are arranged in parallel back and forth, and a plate b (2) connected with the two plates a (1), wherein the plates c (3) are connected with the plates a (1);
A tube a (4) connected to the plate a (1), the plate b (2) and the plate c (3), and having mounting passages a (401) axially arranged two by two, forming an assembly space (8) between the two tubes a (4);
and a tube b (6) connected to the plate a (1) and the plate c (3) and having a mounting passage b (601), the central axis of the mounting passage b (601) being parallel to the central axis of the mounting passage a (401).
2. The H-type high strength link for a hydraulic excavator according to claim 1, wherein the plate a (1) has a flat plate structure, one end of the plate a (1) facing the pipe a (4) is provided with a U-shaped groove facing the assembly space (8), the plate b (2) has a U-shaped plate structure engaged with the U-shaped groove, and the plate c (3) has a flat plate structure.
3. The H-type high strength connecting rod for a hydraulic excavator according to claim 1, wherein a threaded hole a (402) is formed in the pipe a (4), a protective pipe a (5) is formed in the pipe a (4), and the threaded hole a (402) is located inside the protective pipe a (5); the pipe b (6) is provided with a threaded hole b (602), the pipe b (6) is provided with a protection pipe b (7), and the threaded hole b (602) is positioned on the inner side of the protection pipe b (7).
4. The H-type high strength link for a hydraulic excavator according to claim 1, wherein the plate a (1) is welded to the plate b (2), the plate a (1) is welded to the plate c (3), the tube a (4) is welded to the plate a (1), the plate b (2) and the plate c (3), and the tube b (6) is welded to the plate a (1) and the plate c (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322385786.0U CN220888773U (en) | 2023-09-04 | 2023-09-04 | H-shaped high-strength connecting rod for hydraulic excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322385786.0U CN220888773U (en) | 2023-09-04 | 2023-09-04 | H-shaped high-strength connecting rod for hydraulic excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220888773U true CN220888773U (en) | 2024-05-03 |
Family
ID=90873369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322385786.0U Active CN220888773U (en) | 2023-09-04 | 2023-09-04 | H-shaped high-strength connecting rod for hydraulic excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220888773U (en) |
-
2023
- 2023-09-04 CN CN202322385786.0U patent/CN220888773U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |