CN216923651U

CN216923651U - Viscous damper convenient for positioning and adjusting displacement

Info

Publication number: CN216923651U
Application number: CN202220026498.9U
Authority: CN
Inventors: 马忠元; 李明伟; 高金伟; 徐孝创; 何朝军
Original assignee: Jiangsu Hongmao Energy Saving Technology Co ltd
Current assignee: Jiangsu Hongmao Energy Saving Technology Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-07-08
Anticipated expiration: 2032-01-07

Abstract

The utility model relates to a viscous damper convenient for positioning and displacement adjustment, which comprises a lower shell, wherein a lower connecting plate is arranged at the bottom of the lower shell, damping liquid is arranged in the lower shell, an upper connecting plate is arranged above the lower shell, an upper shell and a plunger piston are arranged at the bottom of the upper connecting plate, a lower positioning plate is arranged outside the lower shell, an upper positioning plate is arranged at the bottom of the upper connecting plate, and a middle positioning plate is arranged at the front side of the lower positioning plate. Through the technical design, the displacement of the plunger along with the pipeline is conveniently adjusted, whether the plunger contacts the inner wall of the lower shell or not is conveniently observed, and the viscous damper is effectively protected.

Description

Viscous damper convenient for positioning and adjusting displacement

Technical Field

The utility model relates to a viscous damper convenient for positioning and adjusting displacement, and belongs to the technical field of vibration control.

Background

The viscous damper is a general device for damping vibration of a pipeline, the vibration damping principle of the viscous damper is that the vibration kinetic energy of the pipeline is consumed through the deformation of damping fluid, and the damping fluid is a high-viscosity fluid medium; at present, the conventional viscous damper is inconvenient to adjust the displacement of the plunger along with a pipeline after being installed, and the vibration isolation failure caused by the fact that whether the plunger contacts the inner surface of the lower shell or not can not be observed when the viscous damper is used, so that the viscous damper cannot be protected.

SUMMERY OF THE UTILITY MODEL

According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the viscous damper is convenient to position and adjust displacement, the plunger is convenient to adjust along with displacement generated by a pipeline, whether the plunger contacts the inner wall of the lower shell or not is convenient to observe, and the viscous damper is effectively protected.

The utility model relates to a viscous damper convenient for positioning and adjusting displacement, which comprises a lower shell arranged vertically, wherein a lower connecting plate tightly attached to the bottom of the lower shell is horizontally arranged at the bottom of the lower shell, damping liquid for generating damping force is arranged in the lower shell, an upper connecting plate corresponding to the lower connecting plate is horizontally arranged above the lower shell, an upper shell corresponding to the lower shell is vertically arranged at the bottom of the upper connecting plate, a plunger piston with a hollow inner part is vertically arranged in the upper shell at the bottom of the upper connecting plate, the upper end of the plunger piston is connected to the bottom of the upper connecting plate, and the lower end of the plunger piston is inserted into the damping liquid, and the viscous damper is characterized in that: the vertical locating plate under a plurality of that is provided with in the outside of casing down, every locating plate is all connected under on the connecting plate, correspond every locating plate under and at the equal vertical locating plate that is provided with in the bottom of last connecting plate, all set up the through-hole of being convenient for to connect on last locating plate and locating plate down, locating plate in the middle of the equal vertical being provided with in the front side of every locating plate down, the upper end of every locating plate in the middle of is connected on last locating plate, the lower extreme of every locating plate in the middle of is connected under on the locating plate, the screw thread through-hole of being convenient for construction bolt is seted up at the upper end of middle locating plate.

Preferably, the outer circle of the upper shell is sleeved with a sealing sleeve, the lower end of the sealing sleeve is sleeved on the outer circle of the lower shell, and the upper end of the sealing sleeve is sleeved on the outer circle of the upper shell.

Further preferably, each lower positioning plate is connected to the outer circle of the lower housing.

Preferably, the number of the lower positioning plate, the number of the upper positioning plate and the number of the middle positioning plate are 4, and the lower positioning plate, the upper positioning plate and the middle positioning plate are respectively and uniformly distributed on the outer sides of the upper shell and the lower shell.

Further preferably, the hoops are sleeved on the outer circles of the upper end and the lower end of the sealing sleeve.

Further preferably, the length of the sealing sleeve is 2 times of the distance between the upper shell and the lower shell.

Compared with the prior art, the invention has the following beneficial effects:

according to the viscous damper convenient for positioning and displacement adjustment, the lower positioning plate is vertically arranged on the lower connecting plate, the upper positioning plate is vertically arranged at the bottom of the upper connecting plate, the upper positioning plate and the lower positioning plate are connected together through the middle positioning plate, and the damper is fixed through the middle positioning plate after being installed, so that the plunger can be prevented from deviating in the transportation process; when the pipeline has thermal displacement, a screw can be arranged in a threaded hole at the upper end of the middle positioning plate in advance, the upper positioning plate is pushed by the screw to enable the plunger to deviate to the opposite direction of the thermal displacement of the pipeline, and when the pipeline has thermal displacement, the plunger moves to the middle part of the viscous damper along with the pipeline; after the damper and the pipeline are installed well, the middle positioning plate moves downwards and is fixed with the lower positioning plate, the distance between the middle positioning plate and the upper shell can be observed when the plunger swings, so that whether the plunger contacts with the inner wall of the lower shell or not can be found, and the viscous damper is effectively protected.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an external view of the adjustment of displacement;

fig. 3 is an external schematic view after installation.

In the figure: 1. the device comprises an upper connecting plate 2, a plunger 3, an upper shell 4, an upper positioning plate 5, a hoop 6, a middle positioning plate 7, a sealing sleeve 8, a lower positioning plate 9, a lower shell 10, damping liquid 11, a lower connecting plate 12, a first bolt 13, a second bolt 14 and adjusting screws.

Detailed Description

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

the present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the utility model, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Examples

As shown in figure 1, the viscous damper convenient for positioning and displacement adjustment comprises a lower shell 9 which is vertically arranged, a lower connecting plate 11 which is tightly attached to the lower shell 9 is horizontally arranged at the bottom of the lower shell 9, damping liquid 10 for generating damping force is arranged in the lower shell 9, an upper connecting plate 1 which corresponds to the lower connecting plate 11 is horizontally arranged above the lower shell 9, an upper shell 3 which corresponds to the lower shell 9 is vertically arranged at the bottom of the upper connecting plate 1, a plunger 2 which is hollow inside is vertically arranged in the upper shell 3 at the bottom of the upper connecting plate 1, the upper end of the plunger 2 is connected to the bottom of the upper connecting plate 1, the lower end of the plunger 2 is inserted into the damping liquid 10, a plurality of lower positioning plates 8 are vertically arranged at the outer side of the lower shell 9, each lower positioning plate 8 is connected to the lower connecting plate 11, an upper positioning plate 4 is vertically arranged at the bottom of the upper connecting plate 1 corresponding to each lower positioning plate 8, all set up the through-hole of being convenient for to connect on last locating plate 4 and lower locating plate 8, locating plate 6 in the middle of the equal vertical being provided with in the front side of every lower locating plate 8, the upper end of every middle locating plate 6 is connected on last locating plate 4, and the lower extreme of every middle locating plate 6 is connected on lower locating plate 8, sets up the screw thread through-hole of being convenient for construction bolt in the upper end of middle locating plate 6.

The excircle of the upper shell 3 is sleeved with a sealing sleeve 7, the lower end of the sealing sleeve 7 is sleeved on the excircle of the lower shell 9, and the upper end of the sealing sleeve 7 is sleeved on the excircle of the upper shell 3. As shown in figure 1, the technical design of the section can effectively prevent dust or rainwater from entering the viscous damper, and the service life of the damping liquid is prolonged.

Each lower positioning plate 8 is connected to the outer circle of the lower housing 9. As shown in fig. 1, 2 and 3, the technical design of this section improves the strength of the lower positioning plate 8.

The number of the lower positioning plate 8, the upper positioning plate 4 and the middle positioning plate 6 is 4, and the lower positioning plate, the upper positioning plate and the middle positioning plate are uniformly distributed on the outer sides of the upper shell 3 and the lower shell 9. As shown in fig. 1, 2 and 3, the technology of the section is simple in structure and convenient to process and manufacture.

And the hoops 5 are sleeved on the outer circles at the upper end and the lower end of the sealing sleeve 7. As shown in fig. 1, the technical design in this section is beneficial to improving the sealing effect of the viscous damper and is also convenient for replacing the sealing sleeve 7.

The length of the sealing sleeve 7 is 2 times of the distance between the upper shell 3 and the lower shell 9. As shown in fig. 1, this section of technology prolongs the service life of the sealing sleeve 7 in the case of a large vibration displacement of the viscous damper.

As shown in fig. 1, during assembly, firstly, a proper amount of damping liquid 10 is injected into a lower shell 9, then a plunger 2 is inserted into the damping liquid 10 through an upper connecting plate 1, then the upper end and the lower end of a sealing sleeve 7 are respectively sleeved on an upper shell 3 and the lower shell 9, and then hoops 5 are sleeved on the upper end and the lower end of the sealing sleeve 7; and then the upper end of the middle positioning plate 6 is fixed on the upper positioning plate 4 through a second bolt 13, and the lower end of the middle positioning plate 6 is fixed on the lower positioning plate 8 through a first bolt 12, so that the viscous damper is installed.

As shown in fig. 1, when mounting, the pipe clamp accessory is mounted on the pipeline, and then the viscous damper is connected to the pipe clamp accessory through an upper connecting plate 1; then, the pipe clamp accessories slide on the pipeline to enable the lower connecting plate 11 to be placed on a firm steel frame, then the pipe clamp accessories are fastened with the pipeline through bolts, the position of the lower connecting plate 11 is adjusted to enable the lower connecting plate to correspond to the upper connecting plate 1, and finally the lower connecting plate 11 is fastened on the steel frame; because the middle positioning plate 6 fixes and connects the upper connecting plate 1 and the lower connecting plate 11 together, the excursion in the installation process is avoided, and the plunger is ensured to be positioned in the middle of the viscous damper.

As shown in fig. 1 and 2, after the viscous damper is installed, when the pipeline has thermal displacement, a second bolt 13 for fixing the middle positioning plate 6 and the upper positioning plate 4 is taken out first, a proper adjusting screw 14 is installed in a threaded hole at the upper end of the middle positioning plate 6, the upper positioning plate 4 is pushed by the adjusting screw 14 to bias the upper connecting plate 1, the upper connecting plate 1 is biased to the position with equal distance in the opposite direction of the thermal displacement of the pipeline, and finally the adjusting screw 14 is taken out, when the pipeline has thermal displacement, the upper connecting plate 1 is driven to return to the original position, the plunger 2 is led to return to the middle of the viscous damper, and displacement adjustment of the viscous damper is realized.

As shown in fig. 1 and 3, after the displacement adjustment of the viscous damper is completed, a first bolt 12 for fixing the lower end of the middle positioning plate 6 is taken out, the middle positioning plate 6 moves downwards, the lower end of the middle positioning plate 6 is connected to the lower positioning plate 8 through the first bolt 12, when the upper connecting plate 1 vibrates along with the pipeline, the upper shell 3 and the hoop 5 vibrate along with the upper connecting plate 1, when the displacement of the pipeline vibration is large, the hoop 5 firstly impacts the upper end of the middle positioning plate 6 during the swinging process, so that the upper end of the middle positioning plate 6 deflects, it is described that the pipeline vibration is too large, the plunger 2 is about to contact with the inner wall of the lower shell 9, at this moment, the position of the lower connecting plate 11 needs to be adjusted, the plunger 2 is located in the middle of the viscous damper as much as possible, the plunger 2 is prevented from contacting with the inner wall of the lower shell 9, and the failure of the viscous damper is effectively avoided.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a viscous damper of convenient location and regulation displacement, lower casing (9) including vertical setting, the bottom level of casing (9) is provided with rather than lower connecting plate (11) of closely laminating down, be provided with damping fluid (10) that are used for producing damping force in casing (9) down, the top level of casing (9) is provided with upper junction plate (1) corresponding with lower connecting plate (11) down, vertically be provided with in the bottom of upper junction plate (1) and lower casing (9) corresponding last casing (3), vertically be provided with inside hollow plunger (2) in upper junction plate (1) the last casing (3) of bottom, the bottom in upper junction plate (1) is connected to the upper end of plunger (2), the lower extreme of plunger (2) inserts in damping fluid (10), its characterized in that: the vertical locating plate (8) under a plurality of that is provided with in the outside of casing (9) down, every locating plate (8) is all connected under on connecting plate (11), it is all vertical at the bottom of upper junction plate (1) to correspond every locating plate (8) down is provided with locating plate (4), all set up the through-hole of being convenient for to connect on locating plate (4) and locating plate (8) down, locating plate (6) in the middle of every equal vertical being provided with in the front side of locating plate (8) down, the upper end of every locating plate (6) in the middle of is connected on last locating plate (4), the lower extreme of every locating plate (6) in the middle of is connected under on locating plate (8), the threaded through-hole of being convenient for construction bolt is seted up in the upper end of locating plate in the middle of (6).

2. The viscous damper for facilitating positioning and adjusting displacement of claim 1, wherein: the outer circle of the upper shell (3) is sleeved with a sealing sleeve (7), the lower end of the sealing sleeve (7) is sleeved on the outer circle of the lower shell (9), and the upper end of the sealing sleeve (7) is sleeved on the outer circle of the upper shell (3).

3. The viscous damper for facilitating positioning and adjusting displacement of claim 1, wherein: and each lower positioning plate (8) is connected to the excircle of the lower shell (9).

4. The viscous damper for facilitating positioning and adjusting displacement of claim 1, wherein: the number of the lower positioning plate (8), the number of the upper positioning plate (4) and the number of the middle positioning plate (6) are 4, and the lower positioning plates, the upper positioning plate and the middle positioning plate are respectively and evenly distributed on the outer sides of the upper shell (3) and the lower shell (9).

5. The viscous damper for facilitating positioning and adjusting displacement of claim 2, wherein: the hoops (5) are sleeved on the outer circles at the upper end and the lower end of the sealing sleeve (7).

6. The viscous damper for facilitating positioning and adjusting displacement of claim 5, wherein: the length of the sealing sleeve (7) is 2 times of the distance between the upper shell (3) and the lower shell (9).