CN205173872U - Vehicular gas turbine power generation unit vibration damper - Google Patents

Abstract

Vehicular gas turbine power generation unit vibration damper, it relates to a vibration damper. The utility model provides a current gas turbine power generation unit damping effect poor, the problem that the noise is big of oscillation generation. Including vibration base and a plurality of damping assembly, vibration base is monolithic structure, damping assembly sets up in vibration base's lateral wall along the axis symmetry of gas turbine and generator, every damping assembly includes the mount pad, lower mount pad and shock absorber, it includes first mounting panel and two first connecting plates to go up the mount pad, first mounting panel becomes 45 with vertical direction and sets up just through first connecting plate and vibration base rigid coupling, the mount pad includes the bottom plate down, the second mounting panel, increase the bolt, the locating pin, two second connecting plates and a plurality of adjustment pad, the second mounting panel becomes 45 with vertical direction and sets up just through second connecting plate and bottom plate rigid coupling. The utility model discloses a vehicular gas turbine power generation unit vibration damper is used for the unit damping.

Description

Vehicle carried type Gas Turbine Generating Units vibration damping equipment

Technical field

The utility model relates to a kind of vibration damping equipment, is specifically related to a kind of vehicle carried type Gas Turbine Generating Units vibration damping equipment.

Background technique

Vehicle carried type Gas Turbine Generating Units is emergency standby power, has that maneuverability, cross-country ability are good, a stable and reliable operation and adapt to the advantages such as complicated Environmental Conditions.Unit is primarily of the part such as gas turbine and generator composition, and gas turbine is connected with generator by coupling, by the transmission of moment of torsion, is electric energy by changes mechanical energy.Gas turbine and generator are very valuable equipment, and vehicle carried type Gas Turbine Generating Units needs to travel in complex-terrain, larger impact force can be produced, light then affect the coaxality that gas turbine is connected with generator, and then affect the normal work of unit, heavy then damage gas turbine and generator, unit operationally vibrates the impact of unit particularly important simultaneously.The mode of rubber sheet gasket is increased to realize vibration damping when being commonly used in installation at present, this mode can only realize the vibration damping of Vertical direction, vibration for substantially horizontal is then helpless, so invent, a kind of can to reduce the device of unit vibration in multiple degrees of freedom particularly important.

Model utility content

The purpose of this utility model is poor in order to solve existing Gas Turbine Generating Units effectiveness in vibration suppression, the problem that the noise that vibration produces is large, and then provides a kind of vehicle carried type Gas Turbine Generating Units vibration damping equipment.

The utility model for solving the problems of the technologies described above adopted technological scheme is: vehicle carried type Gas Turbine Generating Units vibration damping equipment, comprises damping base and some damping assemblies,

Described damping base is monolithic construction, comprise two longerons, two first crossbeams and two second cross beams, wherein a first crossbeam, a second cross beam and two longeron head and the tail are vertically affixed, two longerons are arranged along the axisymmetrical of gas turbine and generator, the two ends of another root first crossbeam and the two ends of another root second cross beam are all affixed with two longerons, first crossbeam and second cross beam arranged in parallel, gas turbine and generator by damping base and unit base affixed

Damping assembly is arranged at the outer side wall of damping base along the axisymmetrical of gas turbine and generator, each damping assembly comprises fitting seat, lower fitting seat and vibration damper, upper fitting seat comprises the first mounting plate and two the first connecting plates, first mounting plate in vertical direction with 45 ° arrange and by the first connecting plate and damping base affixed, lower fitting seat comprises base plate, second mounting plate, heighten bolt, locating stud, two the second connecting plates and some spacers, second mounting plate in vertical direction with 45 ° arrange and by the second connecting plate and base plate affixed, base plate by bolt and unit base affixed, spacer is between base plate and unit base, heighten bolt to be connected with base thread, positioning pin hole interference fit on locating stud and base plate, vibration damper is arranged from the horizontal by 45 ° and is fixed between upper fitting seat and lower fitting seat by bolt.

The utility model compared with prior art has following effect:

Damping base is monolithic construction, form by two longerons, two first crossbeams and two second cross beams are affixed, form the steel frame construction that a bearing capacity is stronger, meet the requirement of strength and stability, can vibration deformation be reduced and the change of the gas turbine caused and generator connection coaxiality; Unit is in running, and the vibration major part of gas turbine and generator, by shock absorber, only has comparatively small part to pass to unit, simultaneously because the noise major part of vibration generation is by shock absorber, therefore greatly reduces noise during unit work; Adopt the mode of 45 ° of mounting dampers, damping assembly is arranged at the outside of damping base along the axisymmetrical of gas turbine and generator simultaneously, give full play to the vibration-damping function of vibration damper, and achieve the vibration damping in six-freedom degree direction, compared with existing employing damping pad vibration damping mode, effectively improve the effectiveness in vibration suppression of unit, extend the working life of gas turbine and generator set.

Accompanying drawing explanation

Fig. 1 is the plan view of the vibration damping equipment of embodiment one;

Fig. 2 is the plan view (unit base is not shown) of Fig. 1;

Fig. 3 is the scheme of installation of the vibration damping equipment of embodiment one;

Fig. 4 is the plan view of upper fitting seat in embodiment one;

Fig. 5 is the right elevation of Fig. 4;

Fig. 6 is the plan view (heightening bolt, locating stud and spacer not shown) of lower fitting seat in embodiment one;

Fig. 7 is the left view of Fig. 6;

Fig. 8 is the plan view of base plate in embodiment one;

Fig. 9 is the plan view of Fig. 8;

Figure 10 is the plan view of spacer in embodiment one;

Figure 11 is the left view of Figure 10;

Figure 12 is P place enlarged view (partial cutaway) in Fig. 1;

Figure 13 is the plan view (partial cutaway) of stake of transposing in embodiment one;

Figure 14 is the plan view of Figure 13;

Figure 15 is the plan view of seat of transposing in embodiment one;

Figure 16 is the plan view of Figure 15.

Embodiment

Embodiment one: composition graphs 1 ~ Figure 12 illustrates present embodiment, the vehicle carried type Gas Turbine Generating Units vibration damping equipment of present embodiment, comprises damping base 1 and some damping assemblies 2,

Described damping base 1 is monolithic construction, comprise two longeron 1-1, two first crossbeam 1-2 and two second cross beam 1-3, wherein first crossbeam 1-2, a second cross beam 1-3 and two longeron 1-1 are vertically affixed from beginning to end, two longeron 1-1 are arranged along the axisymmetrical of gas turbine and generator, the two ends of another root first crossbeam 1-2 and the two ends of another root second cross beam 1-3 all affixed with two longeron 1-1, first crossbeam 1-2 and second cross beam 1-3 is arranged in parallel, it is affixed with unit base 3 that gas turbine 10 and generator 11 pass through damping base 1

Damping assembly 2 is arranged at the outer side wall of damping base 1 along the axisymmetrical of gas turbine 10 and generator 11, each damping assembly 2 comprises fitting seat 2-1, lower fitting seat 2-2 and vibration damper 2-3, upper fitting seat 2-1 comprises the first mounting plate 2-1-1 and two the first connecting plate 2-1-2, first mounting plate 2-1-1 in vertical direction with 45 ° arrange and by the first connecting plate 2-1-2 and damping base 1 affixed, lower fitting seat 2-2 comprises base plate 2-2-1, second mounting plate 2-2-2, heighten bolt 2-2-3, locating stud 2-2-4, two the second connecting plate 2-2-5 and some spacer 2-2-6, second mounting plate 2-2-2 in vertical direction with 45 ° arrange and by the second connecting plate 2-2-5 and base plate 2-2-1 affixed, base plate 2-2-1 by bolt and unit base 3 affixed, spacer 2-2-6 is between base plate 2-2-1 and unit base 3, heighten bolt 2-2-3 to be threaded with base plate 2-2-1, positioning pin hole 2-2-7 interference fit on locating stud 2-2-4 and base plate 2-2-1, vibration damper 2-3 is arranged from the horizontal by 45 ° and is fixed between upper fitting seat 2-1 and lower fitting seat 2-2 by bolt.

Vibration damper 2-3 can reduce installing space from the horizontal by 45 ° of settings, and the outside simultaneously by damping assembly 2 being symmetricly set in damping base 1 realizes the vibration damping to gas turbine 10 and generator 11 six-freedom degree direction.

Damping base 1 is affixed with unit base 3 by the damping assembly 2 be fixed in outside it.

First the damping base 1 being connected with damping assembly 2 is dropped on unit base 3 when vibration damping equipment is installed, by heightening the distance between bolt 2-2-3 adjustment damping base 1 and unit base 3, when distance reaches 8mm ~ 10mm, effectiveness in vibration suppression is best, now between base plate 2-2-1 and unit base 3, mounting and adjusting pad 2-2-6 makes the height between damping base 1 and unit base 3 fix, install locating stud 2-2-4 and with bolt by base plate 2-2-1 and unit base 3 affixed, the position of damping base 1 in vibration processes is immobilized.

Embodiment two: composition graphs 2 and Figure 12 illustrate present embodiment, described longeron 1-1, first crossbeam 1-2 and second cross beam 1-3 are square tube, and square tube inside is uniform along its length is vertically provided with multiple stiffening rib 4.Design like this, the weight of vibration damping equipment itself can be alleviated while ensureing vibration damping equipment stiffness, and being arranged by the boring of square tube and strengthen effectiveness in vibration suppression further, reducing the change because vibrating gas turbine 10 and generator 11 coaxality caused by increase vibration damping equipment stiffness simultaneously.Other composition is identical with embodiment one with annexation.

Embodiment three: composition graphs 1 ~ Fig. 3 illustrates present embodiment, the rigidity being positioned at the vibration damper 2-3 below gas turbine is less than the rigidity of the vibration damper 2-3 be positioned at below generator.Design like this, according to the difference of gas turbine 10 and the weight of generator 11 own, selects the vibration damper 2-3 of different bearer power, realizes the reasonable layout of load, can ensure that gas turbine and generator can keep level in vibration processes.Other composition is identical with embodiment one or two with annexation.

Embodiment four: composition graphs 1 ~ Fig. 3 illustrates present embodiment, the number of damping assembly 2 is 12, wherein each affixed four damping assemblies 2 in the outside of two longeron 1-1, the outside of the first crossbeam 1-2 affixed with longeron 1-1 is connected with two damping assemblies 2, and the outside of the second cross beam 1-3 affixed with longeron 1-1 is connected with two damping assemblies 2.Design like this, can play damping effect to gas turbine 10 and generator 11 simultaneously in all directions.Other composition is identical with embodiment one or two with annexation.

Embodiment five: composition graphs 1, Fig. 2, Fig. 3 and Figure 12 illustrate present embodiment, described vibration damper 2-3 is rubber shock absorber.Design like this, ensured the intensity of vibration damper 2-3 by the steel structure supporting of its inside, good damping result, the cost of vibration damping equipment is low.Other composition is identical with embodiment one or two with annexation.

Embodiment six: composition graphs 1, Fig. 2, Fig. 3 and Figure 13 ~ Figure 16 illustrates present embodiment, also comprise four groups and heighten assembly 5, each longeron 1-1 is processed with two through holes, axis and the first crossbeam 1-2 of through hole be arranged in parallel, described assembly 5 of heightening comprises positioning bar 5-1, positioning seat 5-2 and positioning bolt 5-3, one end of positioning bar 5-1 is processed with tapped through hole 5-1-1, the other end of positioning bar 5-1 is polished rod 5-1-2, polished rod 5-1-2 is installed in the through hole of longeron 1-1, positioning bolt 5-3 is threaded with the tapped through hole 5-1-1 of positioning bar 5-1 one end, positioning seat 5-2 is between positioning bolt 5-3 and unit base 3.Design like this, damping base 1 is being dropped on after on unit base 3 by adjusting positioning bolt 5-3 to adjust the distance between damping base 1 and unit base 3, then by the damping assembly 2 in embodiment one, the position of damping base 1 is fixed, facilitate the adjustment of the height between damping base 1 and unit base 3, to ensure the correct position of motor 11 and gas turbine 10.Other composition is identical with embodiment one with annexation.

Claims (6)

1. a vehicle carried type Gas Turbine Generating Units vibration damping equipment, is characterized in that: comprise damping base (1) and some damping assemblies (2),

Described damping base (1) is monolithic construction, comprise two longerons (1-1), two first crossbeams (1-2) and two second cross beams (1-3), a wherein first crossbeam (1-2), a second cross beam (1-3) and two longerons (1-1) head and the tail vertically affixed, two longerons (1-1) are arranged along the axisymmetrical of gas turbine and generator, the two ends of another root first crossbeam (1-2) and the two ends of another root second cross beam (1-3) are all affixed with two longerons (1-1), first crossbeam (1-2) and second cross beam (1-3) arranged in parallel, gas turbine (10) and generator (11) are affixed by damping base (1) and unit base (3),

Damping assembly (2) is arranged at the outer side wall of damping base (1) along the axisymmetrical of gas turbine (10) and generator (11), each damping assembly (2) comprises fitting seat (2-1), lower fitting seat (2-2) and vibration damper (2-3), upper fitting seat (2-1) comprises the first mounting plate (2-1-1) and two the first connecting plates (2-1-2), first mounting plate (2-1-1) is arranged in vertical direction with 45 ° and affixed by the first connecting plate (2-1-2) and damping base (1), lower fitting seat (2-2) comprises base plate (2-2-1), second mounting plate (2-2-2), heighten bolt (2-2-3), locating stud (2-2-4), two the second connecting plates (2-2-5) and some spacers (2-2-6), second mounting plate (2-2-2) is arranged in vertical direction with 45 ° and affixed by the second connecting plate (2-2-5) and base plate (2-2-1), base plate (2-2-1) by bolt and unit base (3) affixed, spacer (2-2-6) is positioned between base plate (2-2-1) and unit base (3), heighten bolt (2-2-3) to be threaded with base plate (2-2-1), locating stud (2-2-4) and positioning pin hole (2-2-7) interference fit on base plate (2-2-1), vibration damper (2-3) is arranged from the horizontal by 45 ° and is fixed between upper fitting seat (2-1) and lower fitting seat (2-2) by bolt.

2. vehicle carried type Gas Turbine Generating Units vibration damping equipment according to claim 1, it is characterized in that: described longeron (1-1), first crossbeam (1-2) and second cross beam (1-3) are square tube, square tube inside is uniform along its length is vertically provided with multiple stiffening rib (4).

3. vehicle carried type Gas Turbine Generating Units vibration damping equipment according to claim 1 and 2, is characterized in that: the rigidity being positioned at the vibration damper (2-3) below gas turbine is less than the rigidity of the vibration damper (2-3) be positioned at below generator.

4. vehicle carried type Gas Turbine Generating Units vibration damping equipment according to claim 1 and 2, it is characterized in that: the number of damping assembly (2) is 12, wherein each affixed four damping assemblies (2) in the outside of two longerons (1-1), the outside of the first crossbeam (1-2) affixed with longeron (1-1) is connected with two damping assemblies (2), and the outside of the second cross beam (1-3) affixed with longeron (1-1) is connected with two damping assemblies (2).

5. vehicle carried type Gas Turbine Generating Units vibration damping equipment according to claim 1 and 2, is characterized in that: described vibration damper (2-3) is rubber shock absorber.

6. vehicle carried type Gas Turbine Generating Units vibration damping equipment according to claim 1, it is characterized in that: also comprise four groups and heighten assembly (5), each longeron (1-1) is processed with two through holes, the axis of through hole and first crossbeam (1-2) be arranged in parallel, described assembly (5) of heightening comprises positioning bar (5-1), positioning seat (5-2) and positioning bolt (5-3), one end of positioning bar (5-1) is processed with tapped through hole (5-1-1), the other end of positioning bar (5-1) is polished rod (5-1-2), polished rod (5-1-2) is installed in the through hole of longeron (1-1), positioning bolt (5-3) is threaded with the tapped through hole (5-1-1) of positioning bar (5-1) one end, positioning seat (5-2) is positioned between positioning bolt (5-3) and unit base (3).