Damping device of hydraulic pipeline group

Abstract

The utility model discloses a damping device of a hydraulic pipeline group, which comprises at least two damping units, two adjacent damping units are connected with each other, each damping unit comprises a sleeve, a plurality of supporting pieces distributed along the axis of the sleeve are arranged in the sleeve, the supporting pieces are connected with the sleeve, and each supporting piece comprises a supporting block. The supporting blocks can movably get close to or away from the inner wall of the sleeve. According to the hydraulic pipeline set, the sleeve is arranged on the outer side of the hydraulic pipeline in a sleeving mode, the damping unit in the sleeve abuts against the side wall of the hydraulic pipeline, when the hydraulic pipeline vibrates, damping is conducted through the damping unit, and the stability of the hydraulic pipeline set is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline damping device technical field more particularly, relate to a kind of damping device of hydraulic pipe group. BACKGROUND

[0002] The valve in reservoir is opened or closed by hydraulic system, and the hydraulic system has wide application in industrial production field, and its main function is to change the rotation or reciprocating motion of mechanism by the pressure of hydraulic oil. Hydraulic oil flows in the pipeline of hydraulic system, and when the hydraulic pipeline works, the pressure in the pipeline rises, and the hydraulic oil forms hydraulic impact to the inner wall of the pipeline and each component, which generates great vibration and noise. The hydraulic pipe group is usually controlled by a plurality of hydraulic pipelines arranged side by side to form a hydraulic pipe group, and when the hydraulic pipe group works, the vibration of each hydraulic pipeline is transmitted to the surrounding pipelines. The vibration between the pipelines superimposes and affects the stability of the overall pipeline group, which affects the stability of the connection between the pipeline and the component, and causes hydraulic oil leakage. Therefore, it is necessary to improve it. SUMMARY

[0003] The utility model discloses a kind of damping device of hydraulic pipe group, by the sleeve pipe of sleeve setting in hydraulic pipeline outside, the support group of sleeve pipe inside abuts hydraulic pipeline side wall, when hydraulic pipeline vibrates, it is reduced by support group, improve the stability of hydraulic pipe group.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of damping device of hydraulic pipe group, including at least two damping units, the adjacent two damping units are connected with each other, the damping unit includes sleeve pipe, the sleeve pipe is provided with a plurality of support pieces distributed along its axis, the support piece is connected with sleeve pipe, the support piece includes support block, the support block can be close to or away from the inner wall of sleeve pipe.

[0005] Further, the support block is provided with a screw rod towards the side wall of the sleeve pipe, the screw rod penetrates the outer wall of the sleeve pipe and the threaded end of the penetrating end is connected with a nut, and the outer side of the screw rod is provided with a spring.

[0006] Further, the sleeve pipe includes a boss corresponding to the screw rod, the boss is provided with a mounting groove inside, one side of the mounting groove is provided with a guide hole, the screw rod penetrates the mounting groove and the guide hole respectively, and one end of the spring is located inside the mounting groove and the other end abuts the side surface of the support block.

[0007] Further, the inner surface of the support block is arc-shaped and the direction is consistent with the sleeve pipe.

[0008] Further, the sleeve side is respectively connected with a first connecting block and a second connecting block, the first connecting block and the second connecting block are respectively located on the opposite side of the sleeve, and the first connecting block of one damping unit can be inserted and fixed with the second connecting block of the adjacent damping unit.

[0009] Further, the first connecting block comprises a limiting groove arranged along the length direction of the sleeve, and the second connecting block comprises a limiting rib along the length direction of the sleeve, and the limiting rib of one damping unit can be inserted into the limiting groove of the adjacent damping unit.

[0010] Further, the first connecting block and the second connecting block are both made of rubber material, and the first connecting block and the second connecting block are respectively fixed with the sleeve through bolts.

[0011] Further, the hardness range of the first connecting block and the second connecting block is Shore A 60°A-Shore A 70°A.

[0012] Further, the adjacent two damping units are connected through a connecting sheet, and the connecting sheet is located on the upper and lower sides of the damping unit.

[0013] Further, the connecting sheet is fixed with the sleeve through bolts, the sleeve side wall is provided with two groups of studs, one group of studs of one damping unit is connected with one group of studs of the adjacent damping unit through the connecting sheet, the connecting sheet is a metal sheet, the connecting sheet comprises an arc-shaped section, the arc-shaped section is provided with connecting sections on both sides, the arc-shaped section is located between the adjacent two damping units, and the connecting sections are respectively connected with the adjacent two damping units.

[0014] In summary, the utility model has the following beneficial effects:

[0015] 1. The adjacent two damping units are connected through the plug-in fixed mode, so that the connection of the adjacent damping units is realized, the first connecting block and the second connecting block are both rubber parts with high hardness, the flexible connection between the two rubber parts can effectively reduce the vibration conduction between the damping units, and the stability of the hydraulic pipe group is improved.

[0016] 2. The adjacent damping units are connected through the left and right first connecting block and the second connecting block, and then connected through the upper and lower connecting sheets, so that the fixing effect of the adjacent damping units is improved, the arc-shaped section of the metal connecting sheet can be deformed to a certain extent when the damping unit vibrates, so that the vibration conduction is reduced, the stability of the hydraulic pipe group is further improved, the arc-shaped section is arranged, the arched deformation is realized, the risk of the connecting sheet fracture is greatly reduced, and the fixing effect of the entire hydraulic pipe group is improved.

[0017] 3. In use, the sleeve is sleeved on the outside of the pipeline, and the inner wall of the support block abuts against the circumferential side of the pipeline. When the pipeline vibrates, the vibration force is first transmitted to the support, the support vibrates to drive the spring to move, and the vibration force of the pipeline is weakened through the buffering of the spring, thereby reducing the transmission of the pipeline vibration and improving the stability of the hydraulic pipeline group. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of a damping unit;

[0019] Figure 2 is a sectional view of a damping unit;

[0020] Figure 3 is a partial schematic view of Figure 2 ;

[0021] Figure 4 is a schematic view of the connection structure between damping units.

[0022] Fig. 1 is a sleeve; Fig. 11 is a boss; Fig. 12 is a mounting groove; Fig. 13 is a guide hole; Fig. 14 is a reinforcing rib; Fig. 15 is a stud; Fig. 2 is a support; Fig. 21 is a support block; Fig. 22 is a screw rod; Fig. 3 is a spring; Fig. 4 is a nut; Fig. 5 is a first connecting block; Fig. 51 is a limiting groove; Fig. 6 is a second connecting block; Fig. 61 is a limiting rib; Fig. 7 is a connecting plate; Fig. 71 is an arc segment; Fig. 72 is a connecting segment; and Fig. 8 is a pipeline. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] As shown in Figures 1 to 4 , the present embodiment discloses a damping device for a hydraulic pipeline group, which comprises at least two damping units, and each pipeline 8 in the hydraulic pipeline group arranged side by side is sleeved with a damping unit on the outside. Adjacent two damping units are connected to each other. Specifically, the damping unit comprises a sleeve 1, the first connecting block 5 and the second connecting block 6 are respectively bolted on the side surface of the sleeve 1, the first connecting block 5 and the second connecting block 6 are respectively located on opposite sides of the sleeve 1, as shown in Figure 2 , the first connecting block 5 is located on the right side, and the second connecting block 6 is located on the left side. The first connecting block 5 comprises a limiting groove 51 arranged along the length direction of the sleeve 1, the second connecting block 6 comprises a limiting rib 61 along the length direction of the sleeve 1, and the limiting rib 61 of one damping unit can be inserted into the limiting groove 51 of the adjacent damping unit for fixation.

[0025] As Figure 4 shown, a first connecting block 5 of one damping unit is inserted and fixed with a second connecting block 6 of an adjacent damping unit, the limiting groove 51 is a T-shaped groove, the limiting rib 61 is a T-shaped rib, and the adjacent two damping units are connected by insertion and fixation, so as to realize the connection of the adjacent damping units, thereby realizing the connection of the entire hydraulic pipe group.

[0026] The first connecting block 5 and the second connecting block 6 are both rubber materials, the hardness range of the first connecting block 5 and the second connecting block 6 is Shore A 60°A-Shore A 70°A, preferably Shore A 65°A, and Shore A is Shore hardness A, so it can be seen that the first connecting block 5 and the second connecting block 6 are both rubber parts with high hardness, and through the flexible connection between the two rubber parts, the vibration conduction between the damping units can be effectively reduced, which is beneficial to improve the stability of the hydraulic pipe group.

[0027] The adjacent two damping units are connected through the connecting sheet 7, the connecting sheet 7 is located on the upper and lower sides of the damping unit, specifically, the connecting sheet 7 is fixed with the sleeve 1 through bolts, the sleeve 1 side wall is provided with two groups of studs 15, one group of studs 15 of one damping unit is connected with one group of studs 15 of an adjacent damping unit through the connecting sheet 7, the connecting sheet 7 is a metal sheet, the connecting sheet 7 includes an arc segment 71, the arc segment 71 is provided with a connecting segment 72 on both sides, the arc segment 71 is located between the adjacent two damping units, and the connecting segments 72 are connected with the adjacent two damping units respectively; after the adjacent damping units are connected through the left and right first connecting block 5 and the second connecting block 6, the upper and lower two connecting sheets 7 are connected, which not only can improve the fixing effect of the adjacent damping units, but also the arc segment 71 of the metal connecting sheet 7 can be deformed to a certain extent when the damping unit vibrates, thereby reducing the conduction of vibration, which is further beneficial to improve the stability of the hydraulic pipe group, and the arc segment 71 is arranged, which can realize the arched deformation, greatly reduce the risk of fracture of the connecting sheet 7, and is beneficial to improve the fixing effect of the entire hydraulic pipe group.

[0028] As Figures 1-3As shown, the sleeve 1 is internally provided with a plurality of supports 2 distributed along its axis, and the supports 2 are respectively located on the upper and lower sides of the horizontal plane of the first connecting block 5 and the second connecting block 6, the supports 2 are connected with the sleeve 1, the supports 2 comprise a support block 21, the support block 21 can be moved close to or away from the inner wall of the sleeve 1, specifically, the support block 21 is provided with a screw rod 22 towards the side wall of the sleeve 1, the screw rod 22 penetrates out of the outer wall of the sleeve 1 and the threaded end of the penetrating end is connected with a nut 4, the outer side of the screw rod 22 is sleeved with a spring 3, the sleeve 1 comprises a boss 11 corresponding to the screw rod 22, the boss 11 is internally provided with a mounting groove 12, one side of the mounting groove 12 is provided with a guide hole 13, the screw rod 22 penetrates through the mounting groove 12 and the guide hole 13 respectively, one end of the spring 3 is located in the mounting groove 12 and the other end abuts against the side surface of the support block 21.

[0029] In use, the sleeve 1 is sleeved on the outer side of the pipeline 8, the inner wall of the support block 21 abuts against the circumferential side of the pipeline 8, when the pipeline 8 vibrates, the vibration force is first transmitted to the support 2, the support 2 vibrates to drive the spring 3 to move, through the buffering of the spring 3, the vibration force of the pipeline 8 can be weakened, thereby reducing the transmission of the pipeline 8 vibration and improving the stability of the hydraulic pipeline group.

[0030] Among them, the number of screw rods 22 of each support 2 is two, through this design, the reliability of the movement of the support 2 can be effectively improved.

[0031] The inner surface of the support block 21 is arc-shaped and the direction is consistent with the sleeve 1, the arc surface tightly abuts against the outer wall of the pipeline 8, which is beneficial to improve the fixing effect of the pipeline 8.

[0032] The outer wall of the sleeve 1 is provided with a plurality of reinforcing ribs 14, through the arrangement of the reinforcing ribs 14, the overall strength of the sleeve 1 can be improved.

[0033] The above is only the preferred embodiment of the present application, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solution belonging to the idea of the present application is within the protection scope of the present application. It should be noted that for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application, these improvements and decorations should also be considered as the protection scope of the present application.

Claims

1. A hydraulic line set damper, characterized by, The damping unit includes at least two damping units, and adjacent two damping units are connected to each other, and the damping unit includes a sleeve (1), a plurality of support pieces (2) are arranged inside the sleeve (1) along an axis of the sleeve (1), the support pieces (2) are connected to the sleeve (1), and the support pieces (2) include support blocks (21) which can move close to or away from an inner wall of the sleeve (1).

2. A hydraulic line set damper according to claim 1, characterized in that The support block (21) is provided with a screw rod (22) at a side wall of the sleeve (1), the screw rod (22) penetrates an outer wall of the sleeve (1) and is threadedly connected with a nut (4) at a penetrating end, and a spring (3) is arranged outside the screw rod (22).

3. A hydraulic line set damper according to claim 2, wherein The sleeve (1) includes a boss (11) corresponding to the screw rod (22), the boss (11) is internally provided with a mounting groove (12), one side of the mounting groove (12) is provided with a guide hole (13), the screw rod (22) penetrates the mounting groove (12) and the guide hole (13) respectively, and one end of the spring (3) is located inside the mounting groove (12) and the other end abuts against a side surface of the support block (21).

4. The hydraulic line set damper of claim 1, wherein An inner surface of the support block (21) is arc-shaped and has a same direction as the sleeve (1).

5. The hydraulic line set damper of claim 1, wherein, The sleeve (1) is connected with a first connecting block (5) and a second connecting block (6) respectively at side surfaces, the first connecting block (5) and the second connecting block (6) are located at opposite sides of the sleeve (1) respectively, and the first connecting block (5) of one damping unit can be inserted and fixed with the second connecting block (6) of an adjacent damping unit.

6. A hydraulic line set damper according to claim 5, wherein The first connecting block (5) includes a limiting groove (51) arranged along a length direction of the sleeve (1), the second connecting block (6) includes a limiting rib (61) along the length direction of the sleeve (1), and the limiting rib (61) of one damping unit can be inserted into the limiting groove (51) of an adjacent damping unit and fixed.

7. A hydraulic line set damper according to claim 5, wherein The first connecting block (5) and the second connecting block (6) are made of rubber, and the first connecting block (5) and the second connecting block (6) are fixed to the sleeve (1) by bolts respectively.

8. A hydraulic line set damper according to claim 7, wherein Hardness ranges of the first connecting block (5) and the second connecting block (6) are Shore A 60°A-Shore A 70°A.

9. The hydraulic line set damper of claim 1, wherein, Adjacent two damping units are connected by a connecting sheet (7), and the connecting sheet (7) is located on upper and lower sides of the damping unit.

10. A hydraulic line set damper according to claim 9, wherein The connecting sheet (7) is fixed to the sleeve (1) by bolts, two groups of stud bolts (15) are arranged at side walls of the sleeve (1), one group of stud bolts (15) of one damping unit is connected with one group of stud bolts (15) of an adjacent damping unit through the connecting sheet (7), the connecting sheet (7) is a metal sheet, the connecting sheet (7) includes an arc-shaped section (71), connecting sections (72) are arranged at two sides of the arc-shaped section (71), the arc-shaped section (71) is located between adjacent two damping units, and the connecting sections (72) are connected to the adjacent two damping units respectively.

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