Hydraulic transverse displacement compensation vibration isolator

Abstract

The utility model provides a hydraulic lateral displacement compensation vibration isolator, which relates to the field of vibration isolators and comprises a base, a hydraulic seat and a mounting plate, a connecting rod support is connected to the middle of the lower end of the mounting plate, a hinge block is connected to the lower end of the connecting rod support, and two ends of the lower side of the mounting plate are connected with the hydraulic seat through damping shock absorbers. A guide rail is connected between the hydraulic seats, hinge blocks are slidably connected to the outer side of the guide rail, meanwhile, main springs are arranged on the outer sides of the hinge blocks and connected to the outer side of the guide rail in a sleeving mode, oil inlet flow channels and hydraulic cavities are formed in the hydraulic seats, the hydraulic cavities are connected to the inner side ends of the oil inlet flow channels, and meanwhile bypass flow channels are connected to the upper sides and the lower sides of the hydraulic cavities. A piston block is slidably connected into the hydraulic cavity, a sliding block is connected to the inner side end of the piston block, and a connecting rod is connected to the other end of the sliding block. The vibration isolator solves the problems that an existing vibration isolator is poor in using effect, and meanwhile self-vibration isolation effect compensation is inconvenient to achieve according to the weight of a vibration isolation object.

Description

Technical Field

[0001] The utility model relates to the technical field of vibration isolators, in particular to a hydraulic lateral displacement compensation vibration isolator. Background Art

[0002] Vibration isolators are elastic elements that connect equipment and foundations to reduce and eliminate the vibration force transmitted from the equipment to the foundation and the vibration transmitted from the foundation to the equipment. After searching, the prior art (application number: CN202222862904.8) records "a vibration isolator and a vibration isolator system, the vibration isolator includes a bottom plate, a hydraulic device, a first elastic member and a limit assembly, a top plate is arranged above the bottom plate, the hydraulic device is arranged between the bottom plate and the top plate, there are a plurality of first elastic members, which are arranged between the bottom plate and the top plate, the limit assembly includes a guide member and a limit member, one end of the guide member is connected to the bottom plate and / or the hydraulic device, the other end of the guide member passes through the top plate, the limit member is installed on the guide member and is located above the top plate, and the hydraulic device is used to drive the top plate to rise to resist the top plate. Under normal working conditions, the hydraulic device does not work, and the vibration isolator effectively isolates the vibration of the engine group to the ground. When an earthquake occurs, the hydraulic device starts to work, lifts the top plate to the limit limit, and locks the vibration isolator. At this time, the stiffness of the entire system increases, thereby reducing the amplification effect of the earthquake and reducing the impact of the earthquake on the upper equipment of the vibration isolator."

[0003] However, although the vibration isolators and vibration isolator systems in the prior art have achieved the reduction of the amplified effect of earthquakes by hydraulic means, there are still some shortcomings: the hydraulic device involved in the existing vibration isolators, in daily use, only relies on the first elastic member and the second elastic member (that is, the spring) to achieve the vibration isolation effect, and the spring suffers from elastic fatigue due to the influence of the external environment after long-term use, which leads to the gradual deterioration of the vibration isolation effect. When heavy equipment is replaced on the upper side of the top plate, there is a lack of other structures to compensate for the vibration isolation effect of the spring, which leads to the need to replace the entire vibration isolator, which is more troublesome. Utility Model Content

[0004] In order to overcome the defects of the prior art, a hydraulic lateral displacement compensating vibration isolator is provided to solve the problem that the existing vibration isolators have poor use effect and are not convenient to achieve self-vibration isolation effect compensation according to the weight of the vibration isolation object.

[0005] In order to achieve the above-mentioned purpose, a hydraulic lateral displacement compensation isolator is provided, comprising: a base, a hydraulic seat and a mounting plate, a connecting rod bracket is connected to the middle part of the lower end of the mounting plate, and the lower end of the connecting rod bracket is connected to a hinge block, and at the same time, the two ends of the lower side of the mounting plate are connected to the hydraulic seat through a damping shock absorber, a guide rail is connected between the hydraulic seats, and the hinge block is slidably connected to the outside of the guide rail, and at the same time, a main spring is provided on the outside of the hinge block and is sleeved on the outside of the guide rail, an oil inlet channel and a hydraulic chamber are opened inside the hydraulic seat, and the hydraulic chamber is connected to the inner end of the oil inlet channel, and at the same time, bypass channels are connected to the upper and lower sides of the hydraulic chamber, a piston block is slidably connected inside the hydraulic chamber, and a sliding block is connected to the inner end of the piston block, and the other end of the sliding block is connected to a connecting rod, the inner end of the connecting rod is connected to a connecting block, and the connecting block is slidably connected to a front-to-rear through guide groove opened inside the guide rail, and at the same time, the front and rear sides of the connecting block are connected to the inner wall of the hinge block.

[0006] Furthermore, the connecting rod bracket is configured as an inverted Y-shaped three-connecting rod hinged structure, and the two connecting rods on the lower side are hinged to the top of the hinge block respectively, and the hinge block is configured as a square sleeve structure.

[0007] Furthermore, the outer end of the oil inlet channel is connected to a hydraulic oil pipeline interface, and a pressure gauge and an electromagnetic valve are provided at the interface, and the oil inlet channel is arranged horizontally.

[0008] Furthermore, a secondary spring is provided on one side of the hydraulic chamber connected to the oil inlet channel, and one end of the secondary spring is connected to the piston block.

[0009] Furthermore, a flow limiting plug is provided inside the bypass flow channel, and a flow limiting hole is provided inside the flow limiting plug. Meanwhile, the flow limiting hole is set as a tapered hole structure, and the narrow diameter end of the tapered hole faces one side of the slider.

[0010] Furthermore, the guide rail is configured as a square column structure, and the connecting block is symmetrically arranged about the connecting rod, while the connecting block and the connecting rod are both located inside the guide groove and do not exceed the edge of the guide groove.

[0011] Furthermore, the inner end of the connecting rod is connected to a connecting block, and the connecting block is slidably connected to a front-to-rear through-guide groove opened inside the guide rail, and the front and rear sides of the connecting block are connected to the inner wall of the hinge block.

[0012] Furthermore, the main spring is located between the hydraulic seat and the hinge block, and the outer diameter of the main spring is smaller than the side length of the hinge block.

[0013] The beneficial effects of the utility model are:

[0014] 1. In daily use, the equipment is installed on the upper side of the mounting plate, and the vibration isolation effect is achieved through the damping shock absorber. At the same time, through the connection between the connecting rod bracket and the hinge block, the hinge block is pushed to move outward, and then the vibration isolation effect is achieved by squeezing the main spring. At the same time, when the hinge block slides along the guide rail, the connecting block, connecting rod and guide groove are used to make the hinge block push the slider and the piston block to move in the hydraulic chamber, and then the piston block squeezes the secondary spring to achieve the vibration isolation effect;

[0015] 2. When replacing heavy equipment, the hydraulic oil is filled into the hydraulic chamber through the oil inlet channel, so that when the piston block slides outward, the hydraulic oil is squeezed and passes slowly through the bypass channel with a limiting flow plug, thereby realizing the lateral displacement compensation of the self-vibration isolation effect and increasing the wide application of the vibration isolator. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of an embodiment of the utility model.

[0017] Figure 2 It is a schematic diagram of a partial front cross-section structure of an embodiment of the utility model.

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the hydraulic seat according to an embodiment of the utility model.

[0019] Figure 4 For the utility model embodiment Figure 3 Schematic diagram of the structure at point A in the middle.

[0020] Figure 5 It is a schematic diagram of the side sectional structure of the hinge block and the guide rail according to an embodiment of the utility model.

[0021] In the figure: 1. base; 2. hydraulic seat; 21. oil inlet channel; 22. hydraulic chamber; 23. auxiliary spring; 24. bypass channel; 25. piston block; 26. slider; 27. flow limiting plug; 28. flow limiting hole; 3. mounting plate; 4. damping shock absorber; 5. connecting rod bracket; 6. guide rail; 61. guide groove; 62. connecting block; 63. connecting rod; 7. hinge block; 8. main spring. DETAILED DESCRIPTION

[0022] Reference Figures 1 to 5 As shown, the utility model provides a hydraulic lateral displacement compensating vibration isolator, comprising: a base 1, a hydraulic seat 2 and a mounting plate 3, as well as a connecting rod bracket 5, a guide rail 6 and a hinge block 7.

[0023] Specifically, a connecting rod bracket 5 is connected to the middle part of the lower end of the mounting plate 3, and a hinge block 7 is connected to the lower end of the connecting rod bracket 5. At the same time, the two ends of the lower side of the mounting plate 3 are connected to the hydraulic seat 2 through the damping shock absorber 4. A guide rail 6 is connected between the hydraulic seat 2, and the hinge block 7 is slidably connected to the outside of the guide rail 6. At the same time, a main spring 8 is provided on the outside of the hinge block 7 and is sleeved on the outside of the guide rail 6. The main spring 8 is located between the hydraulic seat 2 and the hinge block 7, and the outer diameter of the main spring 8 is smaller than the side length of the hinge block 7. An oil inlet channel 21 and a hydraulic cavity 22 are opened inside the hydraulic seat 2, and the hydraulic cavity 22 is connected to the inner end of the oil inlet channel 21. At the same time, the hydraulic cavity The upper and lower sides of 22 are connected with bypass flow channels 24, the inside of the hydraulic chamber 22 is slidably connected with a piston block 25, and the inner end of the piston block 25 is connected with a slider 26, and the other end of the slider 26 is connected with a connecting rod 63, the inner end of the connecting rod 63 is connected with a connecting block 62, and the connecting block 62 is slidably connected to a front-to-rear through guide groove 61 opened inside the guide rail 6, and the front and rear sides of the connecting block 62 are connected to the inner wall of the hinge block 7, the guide rail 6 is set as a square column structure, and the connecting block 62 is symmetrically arranged about the connecting rod 63, and the connecting block 62 and the connecting rod 63 are both inside the guide groove 61 and do not exceed the edge of the guide groove 61.

[0024] In this embodiment, the base 1, the hydraulic seat 2 and the mounting plate 3, as well as the connecting rod bracket 5, the guide rail 6 and the hinge block 7 constitute the main structure of the hydraulic lateral displacement compensation isolator involved in this application.

[0025] In this embodiment, the starting ends of the bypass flow channels 24 are connected to the hydraulic chamber 22 and are located on both sides of the piston block 25. At the same time, a through hole with a one-way valve is provided in the piston block 25, and the guide valve is connected to the outside.

[0026] Specifically, when the piston block 25 slides outward, the oil inlet channel 21 is closed, so that the extruded hydraulic oil flows inward from the bypass channel 24 and is limited by the flow limiting plug 27. Then, when the piston block 25 returns to slide inward, the hydraulic oil inside the piston block 25 passes outward from the one-way valve, thereby forming a reciprocating cycle of hydraulic vibration isolation.

[0027] As a preferred embodiment, the guide rail 6 is provided to achieve stable reciprocating motion of the hinge block 7 , and the guide groove 61 is provided to enable the hinge block 7 to simultaneously exert force on the main spring 8 and the auxiliary spring 23 .

[0028] exist Figure 1 and Figure 5 In the figure, the connecting rod bracket 5 is configured as an inverted Y-shaped three-connecting rod hinged structure, and the two connecting rods on the lower side are hinged to the top of the hinge block 7 respectively, and the hinge block 7 is configured as a square sleeve structure.

[0029] As a preferred embodiment, the vibration isolation force is dispersedly transmitted by arranging the connecting rod bracket 5, and a triangular connection structure is formed during the movement of the hinge block 7, which has good movement stability.

[0030] exist Figure 3 and Figure 4 In the figure, the outer end of the oil inlet channel 21 is connected to the hydraulic oil pipeline interface, and a pressure gauge and an electromagnetic valve are provided at the interface. At the same time, the oil inlet channel 21 is horizontally arranged, and a secondary spring 23 is provided on one side of the hydraulic chamber 22 connected to the oil inlet channel 21, and one end of the secondary spring 23 is connected to the piston block 25. A flow limiting plug 27 is provided inside the bypass channel 24, and a flow limiting hole 28 is opened inside the flow limiting plug 27. At the same time, the flow limiting hole 28 is set to a conical hole structure, and the narrow diameter end of the conical hole faces the side of the slider 26.

[0031] As a preferred implementation, by providing a flow limiting plug 27 and a flow limiting hole 28 , the hydraulic oil passing through the bypass flow channel 24 is decelerated and buffered, thereby forming a hydraulic lateral displacement compensation effect on the piston block 25 .

[0032] During use, in daily use, the equipment is installed on the upper side of the mounting plate, and the vibration isolation effect is achieved through the damping shock absorber. At the same time, through the connection between the connecting rod bracket and the articulated block, the articulated block is pushed to move outward, and then the vibration isolation effect is achieved by squeezing the main spring. At the same time, in the process of the articulated block sliding along the guide rail, the articulated block pushes the slider and the piston block to move in the hydraulic chamber through the connecting block, the connecting rod and the guide groove, and then the vibration isolation effect is achieved by squeezing the secondary spring by the piston block; when replacing heavy equipment, the hydraulic chamber is filled with hydraulic oil through the oil inlet channel, so that in the process of the piston block sliding outward, the hydraulic oil is squeezed, so that it passes slowly through the bypass channel with a limiting flow plug to limit the flow, thereby achieving lateral displacement compensation with self-vibration isolation effect.

[0033] The hydraulic lateral displacement compensating vibration isolator of the utility model can effectively solve the problems that the existing vibration isolators have poor use effects and are not convenient to realize self-vibration isolation effect compensation according to the weight of the vibration isolation object. It realizes the increase of vibration isolation effect by setting a four-layered vibration isolation structure on the basis of the existing hydraulic lateral displacement compensating vibration isolator technology, and has the function of compensating the vibration isolation effect of equipment with different weights, so that it is suitable for the installation and vibration isolation of various equipment.

Claims

1. A hydraulic lateral displacement compensating vibration isolator, comprising: The invention relates to a base (1), a hydraulic seat (2) and a mounting plate (3), characterized in that: a connecting rod bracket (5) is connected to the middle of the lower end of the mounting plate (3), and a hinge block (7) is connected to the lower end of the connecting rod bracket (5), and at the same time, the lower ends of the mounting plate (3) and the hydraulic seat (2) are connected through a damping shock absorber (4), a guide rail (6) is connected between the hydraulic seat (2), and the hinge block (7) is slidably connected to the outer side of the guide rail (6), and at the same time, a main spring is provided on the outer side of the hinge block (7). The spring (8) is sleeved on the outer side of the guide rail (6); an oil inlet channel (21) and a hydraulic chamber (22) are provided inside the hydraulic seat (2); the hydraulic chamber (22) is connected to the inner side end of the oil inlet channel (21); the upper and lower sides of the hydraulic chamber (22) are connected to a bypass channel (24); a piston block (25) is slidably connected inside the hydraulic chamber (22); the inner side end of the piston block (25) is connected to a slider (26); and the other end of the slider (26) is connected to a connecting rod (63).

2. A hydraulic lateral displacement compensating vibration isolator according to claim 1, characterized in that: The connecting rod bracket (5) is configured as an inverted Y-shaped three-connecting rod hinged structure, and the two connecting rods on the lower side are hinged to the top of the hinge block (7) respectively, and the hinge block (7) is configured as a square sleeve structure.

3. The hydraulic lateral displacement compensating isolator according to claim 1, characterized in that: The outer end of the oil inlet channel (21) is connected to a hydraulic oil pipeline interface, and a pressure gauge and an electromagnetic valve are provided at the interface. Meanwhile, the oil inlet channel (21) is arranged horizontally.

4. A hydraulic lateral displacement compensating vibration isolator according to claim 1, characterized in that: A secondary spring (23) is provided on one side of the hydraulic chamber (22) connected to the oil inlet channel (21), and one end of the secondary spring (23) is connected to the piston block (25).

5. The hydraulic lateral displacement compensating isolator according to claim 1, characterized in that: A flow limiting plug (27) is provided inside the bypass flow channel (24), and a flow limiting hole (28) is provided inside the flow limiting plug (27). The flow limiting hole (28) is configured as a tapered hole structure, and the narrow end of the tapered hole faces the side of the slider (26).

6. The hydraulic lateral displacement compensating vibration isolator according to claim 1, characterized in that: The guide rail (6) is configured as a square column structure, and the connecting block (62) is symmetrically arranged with respect to the connecting rod (63), while the connecting block (62) and the connecting rod (63) are both located inside the guide groove (61) and do not exceed the edge of the guide groove (61).

7. The hydraulic lateral displacement compensating vibration isolator according to claim 1, characterized in that: The inner end of the connecting rod (63) is connected to a connecting block (62), and the connecting block (62) is slidably connected to a front-to-rear through-guide groove (61) provided inside the guide rail (6), and the front and rear sides of the connecting block (62) are connected to the inner wall of the hinge block (7).

8. The hydraulic lateral displacement compensating isolator according to claim 1, characterized in that: The main spring (8) is located between the hydraulic seat (2) and the hinge block (7), and the outer diameter of the main spring (8) is smaller than the side length of the hinge block (7).

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