CN205557482U

CN205557482U - Special shock attenuation unit in power station

Info

Publication number: CN205557482U
Application number: CN201620228431.8U
Authority: CN
Inventors: 蔡惠文
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-03-22
Filing date: 2016-03-22
Publication date: 2016-09-07
Anticipated expiration: 2026-03-22

Abstract

The utility model relates to a special shock attenuation unit in power station, including the bottom plate, two interconnect's unit is installed to the bottom plate upper end, the lower extreme plane symmetry of bottom plate is provided with four shock attenuation side chains, every shock attenuation side chain is all installed on the mounting panel, the lower extreme symmetrical of bottom plate has four spacing posts down, spacing post all is connected with the mounting panel through lower spacing spring under every, mounting panel middle part both sides symmetrical has two to go up spacing post, spacing post all is connected with the bottom plate through last spacing spring on every, the shock attenuation side chain is including welding base plate on the terminal surface under the bottom plate, the both ends symmetrical of base plate has two to go up the ear seat, the ear seat all is connected through the round pin axle top with a telescopic link on every, the bottom of every telescopic link all is connected with lower ear seat through the round pin axle, every down the ear seat be the welding of slope form on the installation piece. The utility model discloses can realize the good shock attenuation effect of unit, have simple structure, the shock attenuation is effectual and vibrates advantages such as the noise is little.

Description

Power station Special shock-absorbing unit

Technical field

The utility model relates to equipment for hydroelectric station technical field, particularly to a kind of power station Special shock-absorbing unit.

Background technology

Power station is the integration engineering facility that water can be converted to electric energy, a series of structure of hydropower station that it includes utilizing water can produce electric energy and builds and the various equipment for hydroelectric station of installing；These buildings are utilized to concentrate the drop of natural current to form head, collect, regulate the flow of natural current, and it is transferred to the hydraulic turbine, through the co-operation of the hydraulic turbine Yu generating set, the water of concentration can be converted to electric energy, then through transformer, switchyard and transmission line of electricity etc., electric energy is inputted electrical network.

The hydraulic pressure formed due to water drop is bigger, therefore the generating set driving the hydraulic turbine to rotate needs bigger driving force, owing to the velocity of rotation of generating set is too fast, its dither effect producing ground is the biggest, bottom surface near unit all can produce corresponding vibration, the noise that vibration produces is the biggest, if staff be chronically at this in the environment of, the healthy of staff will be had a strong impact on.

Utility model content

In order to solve the problems referred to above, the utility model provides a kind of power station Special shock-absorbing unit, the difficult problem such as can solve that existing Hydropower Plant dither effect is big and vibrating noise is big, can realize the good damping effect of unit, have the advantages such as simple in construction, good damping effect and vibrating noise are little.

To achieve these goals, the utility model realizes by the following technical solutions: a kind of power station Special shock-absorbing unit, and including base plate, described base plate upper end is provided with two interconnective units, and unit drives the hydraulic turbine in power station to generate electricity；The lower surface of described base plate is symmetrically arranged with four damping side chains along base plate center axis line, and four symmetrically arranged damping side chains can carry out uniform damping to unit simultaneously, and damping effect is good；Described each damping side chain is respectively mounted on a mounting board；The lower end edge base plate center axis line of described base plate is symmetrically welded with four lower limit posts, and lower limit post plays the distance defining that the utility model down vibrates；Described each lower limit post is all connected with installing plate by lower limit spring, limits, by lower limit spring, the distance that lower limit post down vibrates, and also protects damping side chain transition simultaneously and down moves and the phenomenon damaged；In the middle part of described installing plate, bilateral symmetry is welded with two upper limit posts, and upper limit post plays the distance defining that the utility model up vibrates；Described each upper limit post is all connected with base plate by upper limit spring；Limit, by upper limit spring, the distance that upper limit post up vibrates, also protect damping side chain transition simultaneously and up move and the phenomenon damaged.

As a kind of optimal technical scheme of the present utility model, described damping side chain includes the substrate being welded on base plate lower surface；The two ends of described substrate are symmetrically welded with two upper ear seats；Described each upper ear seat is all connected by the top of bearing pin and an expansion link, is realized the effect of the lateral damping of damping side chain by an expansion link；The bottom of described each expansion link is all connected with lower ear base by bearing pin；The described inclined shape of each lower ear base is welded on mounting blocks；Described each mounting blocks bottom is all welded on a mounting board；All being arranged with a limit spring on the piston rod of described each expansion link, a limit spring limits the effect of the utility model lateral movement distance, prevents the phenomenon of a vibration force number expansion link of excessive damage；The lower surface of described substrate is symmetrically installed with two No. two expansion links, is realized the effect of damping side chain vertical direction damping by No. two expansion links；Described each No. two expansion link bottoms are installed on a mounting board；The upper cover of piston rod of described each No. two expansion links is provided with No. two limit spring, and No. two limit spring limit the effect of the utility model movement in vertical direction distance, prevents the phenomenon of vibration force No. two expansion links of excessive damage.

As a kind of optimal technical scheme of the present utility model, a described expansion link and No. two expansion link types are hydraulically extensible bar, and hydraulically extensible bar has that fatigue resistance performance is good and the advantage such as good pressure-resistant performance.

During work, after two units being connected are started working, unit produces huge vibration to base plate, now, four damping side chains start simultaneously at damping, a number expansion link can realize the effect of the lateral damping of damping side chain, and No. two expansion links can realize the function of damping side chain vertical direction damping, base plate is carried out damping from lateral and vertical direction simultaneously, reduce the dither effect in unit motion process, reduce the noise that vibration force produces, and on the utility model, it is provided with upper limit post and lower limit post, upper limit post plays the distance defining that the utility model up vibrates, and lower limit post plays the distance defining that the utility model down vibrates, damping effect is good, simple in construction, solve the difficult problems such as existing Hydropower Plant exists that dither effect is big and vibrating noise is big.

The beneficial effects of the utility model are: a kind of power station Special shock-absorbing unit, compared to existing technology, four the damping side chains arranged can carry out damping to base plate from lateral and vertical direction simultaneously, reduce the dither effect in unit 2 motion process, reduce the noise that vibration force produces, solve the difficult problems such as existing Hydropower Plant exists that dither effect is big and vibrating noise is big, there is the advantages such as simple in construction, good damping effect and vibrating noise are little.

Accompanying drawing explanation

With embodiment, the utility model is further illustrated below in conjunction with the accompanying drawings.

Fig. 1 is perspective view of the present utility model；

Fig. 2 is front view of the present utility model；

Fig. 3 is the structural representation after the utility model removes base plate and unit.

Detailed description of the invention

For the technological means making the utility model realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with being specifically illustrating, the utility model is expanded on further.It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be combined with each other.

As shown in Figure 1 to Figure 3, a kind of power station Special shock-absorbing unit, including base plate 1, described base plate 1 upper end is provided with two interconnective units 2, and unit 2 drives the hydraulic turbine in power station to generate electricity；The lower surface of described base plate 1 is symmetrically arranged with four damping side chains 3 along base plate 1 central axis, and four symmetrically arranged damping side chains 3 can carry out uniform damping to unit 3 simultaneously, and damping effect is good；Described each damping side chain 3 is installed on installing plate 4；Lower end edge base plate 1 central axis of described base plate 1 is symmetrically welded with four lower limit posts 5, and lower limit post 5 plays the distance defining that the utility model down vibrates；Described each lower limit post 5 is all connected with installing plate 4 by lower limit spring 6, limits, by lower limit spring 6, the distance that lower limit post 5 down vibrates, and also protects damping side chain 3 transition simultaneously and down moves and the phenomenon damaged；In the middle part of described installing plate 4, bilateral symmetry is welded with two upper limit posts 7, and upper limit post 7 plays the distance defining that the utility model up vibrates；Described each upper limit post 7 is all connected with base plate 1 by upper limit spring 8；Limit, by upper limit spring 8, the distance that upper limit post 7 up vibrates, also protect damping side chain 3 transition simultaneously and up move and the phenomenon damaged.

As a kind of optimal technical scheme of the present utility model, described damping side chain 3 includes the substrate 31 being welded on base plate 1 lower surface；The two ends of described substrate 31 are symmetrically welded with two upper ear seats 32；Described each upper ear seat 32 is all connected by the top of bearing pin and an expansion link 33, is realized the effect of the lateral damping of damping side chain 3 by an expansion link 33；The bottom of described each expansion link 33 is all connected with lower ear base 34 by bearing pin；The described inclined shape of each lower ear base 34 is welded on mounting blocks 35；Described each mounting blocks 35 bottom is all welded on installing plate 4；All being arranged with a limit spring 36 on the piston rod of described each expansion link 33, a limit spring 36 limits the effect of the utility model lateral movement distance, prevents the phenomenon of a vibration force number expansion link 33 of excessive damage；The lower surface of described substrate 31 is symmetrically installed with two No. two expansion links 37, is realized the effect of damping side chain 3 vertical direction damping by No. two expansion links 37；Described each No. two expansion link 37 bottoms are arranged on installing plate 4；The upper cover of piston rod of described each No. two expansion links 37 is provided with No. two limit spring 38, and No. two limit spring 38 limit the effect of the utility model movement in vertical direction distance, prevents the phenomenon of vibration force No. two expansion links 37 of excessive damage.

As a kind of optimal technical scheme of the present utility model, a described expansion link 33 and No. two expansion link 37 types are hydraulically extensible bar, and hydraulically extensible bar has that fatigue resistance performance is good and the advantage such as good pressure-resistant performance.

nullDuring work，After two units being connected 2 are started working，Unit 2 produces huge vibration to base plate 1，Now，Four damping side chains 3 start simultaneously at damping，A number expansion link 33 can realize the effect of the lateral damping of damping side chain 3，And No. two expansion links 37 can realize the function of damping side chain 3 vertical direction damping，Base plate is carried out damping from lateral and vertical direction simultaneously，Reduce the dither effect in unit 2 motion process，Reduce the noise that vibration force produces，And on the utility model, it is provided with upper limit post 37 and lower limit post 33，Upper limit post 7 plays the distance defining that the utility model up vibrates，And lower limit post 5 plays the distance defining that the utility model down vibrates，Damping effect is good，Simple in construction，Solve the difficult problems such as existing Hydropower Plant exists that dither effect is big and vibrating noise is big，Reach purpose.

Of the present utility model general principle, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry; the utility model is not restricted to the described embodiments; description in above-described embodiment and specification principle of the present utility model is simply described; on the premise of without departing from the utility model spirit and scope; the utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed the utility model.The utility model claims scope and is defined by appending claims and equivalent thereof.

Claims

1. a power station Special shock-absorbing unit, it is characterised in that: include that base plate (1), described base plate (1) upper end are provided with two Interconnective unit (2)；The lower surface of described base plate (1) is symmetrically arranged with four damping side chains (3) along base plate (1) central axis； Described each damping side chain (3) is installed on installing plate (4)；Lower end edge base plate (1) the central axis balanced welding of described base plate (1) It is connected to four lower limit posts (5)；Described each lower limit post (5) is all connected with installing plate (4) by lower limit spring (6)；Institute State installing plate (4) middle part bilateral symmetry and be welded with two upper limit posts (7)；Described each upper limit post (7) is all by upper limit spring (8) it is connected with base plate (1).

Power station the most according to claim 1 Special shock-absorbing unit, it is characterised in that: described damping side chain (3) includes welding Substrate (31) on base plate (1) lower surface；The two ends of described substrate (31) are symmetrically welded with two upper ear seats (32)；Described each Upper ear seat (32) is all connected by the top of bearing pin and an expansion link (33)；The bottom of described each expansion link (33) is equal It is connected with lower ear base (34) by bearing pin；The inclined shape of described each lower ear base (34) is welded on mounting blocks (35)；Described often Individual mounting blocks (35) bottom is all welded on installing plate (4)；No. one all it is arranged with on the piston rod of described each expansion link (33) Limit spring (36)；The lower surface of described substrate (31) is symmetrically installed with two No. two expansion links (37)；Described each No. two are stretched Bar (37) bottom is arranged on installing plate (4)；The upper cover of piston rod of described each No. two expansion links (37) is provided with No. two limit spring (38)。

Power station the most according to claim 2 Special shock-absorbing unit, it is characterised in that: a described expansion link (33) and two Number expansion link (37) type is hydraulically extensible bar.