CN220847796U

CN220847796U - Fixing support for main valve and pipeline of excavator

Info

Publication number: CN220847796U
Application number: CN202322192128.XU
Authority: CN
Inventors: 程小东; 卞秀强; 张建永; 范锦龙; 文茂永
Original assignee: Shandong Lingong Construction Machinery Co Ltd
Current assignee: Shandong Lingong Construction Machinery Co Ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-04-26
Anticipated expiration: 2033-08-15

Abstract

The utility model discloses a main valve and a pipeline fixing bracket of an excavator, which belong to the field of engineering machinery, and adopt an integrated design to ensure that the pipeline and the main valve are at the same frequency, thereby improving the overall stability. It mainly includes preceding fixed plate and back fixed plate, and the welding has box installation grillage on preceding fixed plate and the back fixed plate, and box installation grillage both sides are equipped with board assembly I and board assembly II respectively, and board assembly I and board assembly II are located on the back fixed plate, and the last welding of back fixed plate has the back shrouding, and board assembly I and board assembly II respectively with back shrouding welded connection, board assembly I and board assembly II top welding have the mounting panel, are equipped with pipeline fixed knot through the bolt on the mounting panel. The utility model is mainly used for fixing the main valve and the pipeline of the excavator.

Description

Fixing support for main valve and pipeline of excavator

Technical Field

The utility model relates to a fixing structure of a main valve and a pipeline, in particular to a fixing bracket of the main valve and the pipeline of an excavator.

Background

In the existing design, the main valve of the excavator is arranged on the bracket, and the pipeline is fixedly arranged on the upper frame platform, so that the vibration frequency of the pipeline and the main valve is inconsistent during working due to the inconsistency of the fixed installation positions of the main valve and the pipeline, the impact transmissibility of the pipeline is reduced, the concentration of the impact is increased, and the probability of the fixed looseness of the pipeline and the tearing failure condition of a workpiece is improved. Meanwhile, the main valve of the excavator and the installation positions of the pipeline are scattered and cannot be integrated together, so that the space occupation is large.

Disclosure of Invention

The utility model aims to provide a main valve and a pipeline fixing bracket of an excavator, which adopt an integrated design, ensure that the pipeline and the main valve are at the same frequency, and improve the overall stability.

The utility model is realized by the following technical scheme:

The utility model provides a fixed bolster of excavator main valve and pipeline, including preceding fixed plate and back fixed plate, the welding has box installation grillage on preceding fixed plate and the back fixed plate, and box installation grillage both sides are equipped with board subassembly I and board subassembly II respectively, and board subassembly I and board subassembly II locate on the back fixed plate, still the welding has the back shrouding on the back fixed plate, board subassembly I and board subassembly II respectively with back shrouding welded connection, board subassembly I and board subassembly II top welding have the mounting panel, are equipped with pipeline fixed knot through the bolt on the mounting panel.

Further, pipeline fixed knot construct include the diaphragm, the welding has two fixed blocks on the diaphragm, is equipped with the connecting plate between two fixed blocks, connecting plate bottom and diaphragm welded connection, diaphragm both sides and fixed block welded connection are equipped with the pipeline mounting hole on the fixed block, the diaphragm passes through the bolt to be installed on the mounting panel.

Further, a chamfer drain port II is arranged between one side of the connecting plate and the fixed block.

Further, the plate assembly I and the plate assembly II respectively comprise a bending plate and an L-shaped bending plate, the bottom of the bending plate is welded with the rear fixing plate and the box-type mounting plate frame respectively, the upper part of the L-shaped bending plate is welded with the bending plate, and the lower bending part of the L-shaped bending plate is welded with the box-type mounting plate frame.

Further, the bottoms of the bending plate and the rear sealing plate are provided with chamfer water leakage ports I.

Further, a rib plate I is arranged between the rear sealing plate and the rear fixing plate.

Further, a rib plate II is arranged between the mounting plate and the plate assembly I, and a rib plate II is arranged between the mounting plate and the plate assembly II.

Compared with the prior art, the utility model has the beneficial effects that:

1. the main valve and the pipeline are integrated into the same fixed bracket, and through the integrated design, the structure is compact, the assembly requirements of the main valve and the pipeline in a narrow space are met, the main valve and the pipeline can be kept at the same frequency when the excavator works, the energy loss is small, the bracket strength is high, and the structure is reliable; the pipeline and the main valve are guaranteed to be at the same frequency, and the conditions of fixed looseness and workpiece tearing failure are reduced.

2. The production cost is reduced, the working efficiency is improved, and the whole excavator has more market competitiveness in the same tonnage excavator.

3. The L-shaped bending plate and the bending plate are beneficial to transmitting pipeline impact, and the whole welding strength is high and the stability is strong.

4. The design of pipeline fixed knot constructs and main valve fixed connection adopts assembly structure, improves pipeline assembly precision, reduces and transports and collide with and assembly strength.

5. The pipeline is fixed through pipeline fixed knot constructs, and the bolt can not receive the shear force, and fixed strength is high, and both ends fixed connection about, the atress transmission is even, reduces stress concentration, reduces welding deformation, improves the precision.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of the construction of the plate package I and the plate package II of the present utility model;

FIG. 4 is a schematic view of a pipe fixing structure according to the present utility model;

Fig. 5 is a state of use diagram of the present utility model.

In the figure: 1. a rear fixing plate; 2. a rear sealing plate; 3. a plate assembly I; 4. a mounting plate; 5. box type mounting plate frame; 6. a front fixing plate; 7. chamfering water leakage port I; 8. a plate assembly II; 9. rib plates I; 10. a pipeline; 11. chamfering water leakage port II; 12. a rib plate II; 13. a cross plate; 14. a fixed block; 15. a connecting plate; 16. a bending plate; 17. an L-shaped bending plate; 18. pipe clamp.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1, embodiment 1, a fixed bolster of excavator main valve and pipeline, including preceding fixed plate 6 and back fixed plate 1, the welding is equipped with box installation grillage 5 on preceding fixed plate 6 and the back fixed plate 1, adopt box structure, intensity is high, box installation grillage 5 both sides are equipped with plate package i 3 and plate package ii 8 respectively, plate package i 3 and plate package ii 8 locate on the back fixed plate 1, still the welding is equipped with back shrouding 2 on the back fixed plate 1, plate package i 3 and plate package ii 8 are equipped with mounting panel 4 with back shrouding 2 welded connection respectively, plate package i 3 and plate package ii 8 top welding are equipped with mounting panel 4, be equipped with pipeline fixed knot through the bolt on the mounting panel 4.

As shown in fig. 2-4, in embodiment 2, a main valve and pipeline fixing support of an excavator, the pipeline fixing structure comprises a transverse plate 13, two fixing blocks 14 are welded on the transverse plate 13, a connecting plate 15 is arranged between the two fixing blocks 14, the bottom of the connecting plate 15 is welded with the transverse plate 13, two sides of the transverse plate 13 are welded with the fixing blocks 14, pipeline mounting holes are formed in the fixing blocks 14, and the transverse plate 13 is mounted on a mounting plate 4 through bolts; a chamfer drain port II 11 is arranged between one side of the connecting plate 15 and the fixed block 14; the plate assembly I3 and the plate assembly II 8 both comprise a bending plate 16 and an L-shaped bending plate 17, the bottom of the bending plate 16 is respectively welded with the rear fixing plate 1 and the box-type mounting plate frame 5, the upper part of the L-shaped bending plate 17 is welded with the bending plate 16, and the lower bending part of the L-shaped bending plate 17 is welded with the box-type mounting plate frame 5; the bottoms of the bending plate 16 and the rear sealing plate 2 are respectively provided with a chamfer drain port I7, which is beneficial to drainage; a rib plate I9 is arranged between the rear sealing plate 2 and the rear fixing plate 1; the rib plate II 12 is arranged between the mounting plate 4 and the plate assembly I3, the rib plate II 12 is arranged between the mounting plate 4 and the plate assembly II 8, and the other components are the same as those in the embodiment 1.

When the excavator main valve is used, the excavator main valve is installed on the box type installation plate frame 5 through the main valve installation hole on the box type installation plate frame 5, the pipeline 10 is installed on the fixed block 14 through the pipe clamp 18, the pipe clamp 18 is fixed in the pipeline installation hole through bolts, and the pipe clamp 18 is in the prior art. The front fixing plate 6 and the rear fixing plate 1 are respectively provided with a mounting hole for fixing the pipeline impact protection device, four mounting hole fixing points are adopted at the rear end for coping with the pipeline impact, and two mounting hole fixing points are adopted at the front end. Through integrated design, compact structure satisfies the assembly demand of main valve and pipeline in the narrow and small space, can keep both at same frequency during the excavator operation, and energy loss is little, and support intensity is high, and the structure is reliable.

Claims

1. A fixed bolster of excavator main valve and pipeline, its characterized in that: including preceding fixed plate (6) and back fixed plate (1), be equipped with box installation grillage (5) on preceding fixed plate (6) and the back fixed plate (1), box installation grillage (5) both sides are equipped with board assembly I (3) and board assembly II (8) respectively, board assembly I (3) and board assembly II (8) are located on back fixed plate (1), still be equipped with back shrouding (2) on back fixed plate (1), board assembly I (3) and board assembly II (8) are connected with back shrouding (2) respectively, board assembly I (3) and board assembly II (8) top are equipped with mounting panel (4), be equipped with pipeline fixed knot constructs on mounting panel (4).

2. The fixed bracket for a main valve and a pipeline of an excavator according to claim 1, wherein: pipeline fixed knot construct include diaphragm (13), the welding has two fixed blocks (14) on diaphragm (13), is equipped with connecting plate (15) between two fixed blocks (14), connecting plate (15) bottom and diaphragm (13) welded connection, diaphragm (13) both sides and fixed block (14) welded connection are equipped with the pipeline mounting hole on fixed block (14), diaphragm (13) pass through the bolt mounting on mounting panel (4).

3. The fixed bracket for a main valve and a pipeline of an excavator according to claim 2, wherein: a chamfer water leakage port II (11) is arranged between one side of the connecting plate (15) and the fixed block (14).

4. The fixed bracket for a main valve and a pipeline of an excavator according to claim 1, wherein: the plate assembly I (3) and the plate assembly II (8) comprise a bending plate (16) and an L-shaped bending plate (17), the bottoms of the bending plate (16) are respectively welded with the rear fixing plate (1) and the box-type mounting plate frame (5), the upper portion of the L-shaped bending plate (17) is welded with the bending plate (16), and the lower bending portion of the L-shaped bending plate (17) is welded with the box-type mounting plate frame (5).

5. The fixed bracket for a main valve and a pipeline of an excavator according to claim 4, wherein: the bottoms of the bending plate (16) and the rear sealing plate (2) are respectively provided with a chamfer water leakage port I (7).

6. The fixed bracket for a main valve and a pipeline of an excavator according to claim 1, wherein: a rib plate I (9) is arranged between the rear sealing plate (2) and the rear fixing plate (1).

7. The fixed bracket for a main valve and a pipeline of an excavator according to claim 1, wherein: a rib plate II (12) is arranged between the mounting plate (4) and the plate assembly I (3), and a rib plate II (12) is arranged between the mounting plate (4) and the plate assembly II (8).