One kind being used for radial distribution multi-axis turning device by single sliding block multicrank mechanism
Technical field
The utility model belongs to mechanical equipment manufacture processing technique field, and in particular to one kind is by single sliding block multicrank mechanism
For radial distribution multi-axis turning device.
Background technique
Centrifugation wind is often used in industrial departments such as metallurgy, petrochemical industry, natural gas transportation, refrigeration and power at present
Machine, compressor, the power-equipments such as pump.There are two types of modes, respectively entrance tune at present for the adjusting of gas flow in technical process
Section and outlet regulating.
The effect that entrance is adjusted is the flow that power-equipment rotor is adjusted by inlet restriction, and traditional handicraft uses
Butterfly valve adjusts the inlet flow rate of power-equipment, and this method is lost larger when entering gas, causes biggish energy consumption.It is adjustable
Inlet guide vane can generate certain air-flow pre-swirl angle when allowing airflow into power-equipment, adjusted for inlet restriction both at home and abroad
Develop the inlet guide vane of the various kinds of drive.However, the drive mechanism of most inlet guide vane is complex.
The effect of outlet regulating is the gas flow that discharge power-equipment is adjusted by outlet throttling.For some gases
Flow adjustment range requires higher technology field, generally requires to add adjustable outlet guide vane structure, exit guide blade structure peace
Inside the head of power-equipment, on the outside of impeller outlet, adjustable exit guide blade has been combined with entrance butterfly valve or inlet guide vane
It controls, the flow adjustment range of power-equipment is become much larger.And the exit guide blade with wing blades is in the mistake of closing
While Cheng Zhongneng turns down gas flow, the highest pressure head (surge pressure) of power-equipment is influenced smaller.Due to may bring up
The gas medium of mouth guide vane contact has been subjected to the acting compression of blower or compressor, has very high temperature, so adjustable outlet guide
The R & D design of leaf is always at home problem, and external exit guide blade drive mechanism type is more, but stability, reliable
Property all exist shortcoming.
Utility model content
In order to solve the above technical problems, the utility model provide it is a kind of more for radial distribution by single sliding block multicrank mechanism
Rotation shaft unit, drive mechanism is very laborsaving, and stability is good, long service life.
The technology employed by the present utility model is
One kind being used for radial distribution multi-axis turning device, including tubular support by single sliding block multicrank mechanism, in the pipe
It is arranged with ring slider on formula support, linear guide is equipped on the tubular support, transmission is installed on the ring slider
Mechanism, the transmission mechanism drive ring slider sliding axially along tubular support in linear guide;In the tubular support
Several crank mechanisms are connected on radially;One end of the crank mechanism is movably hinged with ring slider, separately
One end is connected by rotation axis with the guide vane inside tubular support.
As the preferred of the present embodiment, the transmission mechanism includes driving motor and ball screw assembly, the driving motor
It is connected with ball screw assembly, the ball screw assembly, is connected with ring slider, and the ball screw assembly, drives ring slider
Axial direction in linear guide along tubular support is slided.
As the preferred of the present embodiment, linear bearing, the straight line are installed on the outer circumference surface of the ring slider
Guide rail is set in linear bearing, and the linear bearing drives ring slider to move reciprocatingly in linear guide.
As the preferred of the present embodiment, each crank mechanism includes crank, and one end of the crank passes through idler wheel
It is flexibly connected with ring slider, the other end of the crank is connected with the rotation axis on guide vane.
As the preferred of the present embodiment, several rotation axis are fixedly mounted on the separate axle center of its corresponding guide vane
On blade face, guide vane is driven to rotate simultaneously when rotation axis rotates.
Compared with prior art, the utility model has the beneficial effects that
1, described in the utility model that radial distribution multi-axis turning device is used for by single sliding block multicrank mechanism, annular is sliding
The axial movement of block is converted into more Plane Rotations of multiple cranks by idler wheel, is turned simultaneously by the multiple rotation axis of crank handle turns
Dynamic, each rotation axis drives guide vane to carry out while rotating, and compact-sized, drive mechanism is very laborsaving, and manufacturing cost is low,
Part-subassemble standardization is easy, and stability is good, long service life.
2, described in the utility model that radial distribution multi-axis turning device is used for by single sliding block multicrank mechanism, it is applicable to
The adjustable exit guide blade mechanism of centrifugal blower, compressor, the adjustable inlet guide vane mechanism of pump or centrifugal expanding machine, the hydraulic turbine.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment;
Fig. 2 is the structural profile illustration of the utility model embodiment;
Fig. 3 is the structural schematic diagram of ring slider in the utility model embodiment;
Fig. 4 is the structural representation of the first annular sliding block (the second ring slider) of ring slider in the utility model embodiment
Figure;
It is as shown in the figure: 1, tubular support, 2, ring slider, 21, first annular sliding block, the 22, second ring slider, 23, company
Connect hole, 24, fastening connection piece, 25, internal spherical surface, 26, outer annular surface, 3, linear guide, 4, rotation axis, 5, guide vane, 6, driving
Motor, 7, ball screw assembly, 8, linear bearing, 9, crank, 10, idler wheel.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
"inner", "outside", etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of retouching
State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limiting the present invention.
What is provided in the utility model embodiment is used for radial distribution multi-axis turning device by single sliding block multicrank mechanism, this
May be mounted at centrifugal blower, compressor, pump entry position for inlet gas flow rate adjusting or be mounted on centrifugal swollen
Swollen machine, the hydraulic turbine outlet port be used for exit gas flow adjusting.We are more by single sliding block to be discussed in detail below
Crank mechanism is used for the specific structure of radial distribution multi-axis turning device.
It is shown in Figure 1, one kind is provided by single sliding block multicrank mechanism for radial distribution in the utility model embodiment
Multi-axis turning device includes for the outlet port with centrifugal blower, compressor, the entrance of pump or centrifugal expanding machine, the hydraulic turbine
The tubular support 1 being connected, in the present embodiment, tubular support 1 can also connect machine for connecting flange or other drum type brakes
Structure.Ring slider 2 is arranged on tubular support 1, wherein ring slider 2 is the skate machine being coaxially disposed with tubular support 1
Ring slider 2 is sleeved on the outer circumference surface of tubular support 1 by structure, ring slider 2 can along tubular support 1 it is axial into
Row slides back and forth.Linear guide 3 is equipped on tubular support 1, in the present embodiment, linear guide 3 can be hollow shaft or reality
Hollow shaft or solid circular shafts are axially distributed by heart circular shaft in the outer circumference surface of tubular support 1, and ring slider 2 is led in straight line
It is slid back and forth on rail 3 along the axial direction of tubular support 1.Transmission mechanism, transmission mechanism band rotating ring are installed on ring slider 2
The sliding axially along tubular support 1 in linear guide 3 of shape sliding block 2.If being connected on radially in the tubular support 1
Dry crank mechanism, one end and the ring slider 2 of crank mechanism are movably hinged, and the other end passes through rotation axis 4 and tubular type branch
Guide vane 5 inside seat 1 is connected.It is axially transported on outer circumference surface of the ring slider 2 along tubular support 1 when transmission mechanism pushes
Dynamic, ring slider 2 drives the rotation axis 4 on guide vane 5 to rotate by crank mechanism, its leading of being connected of each drive of rotation axis 4
Leaf 5 rotates identical angle simultaneously.
Referring to shown in Fig. 3 to 4, ring slider 2 is made of first annular sliding block 21 and the second ring slider 22, in this implementation
In example, first annular sliding block 21 is identical with the structure of the second ring slider 22, and the setting of first annular sliding block 21 (will be leaned on the outside
The side of guide vane 5 is defined as outside in nearly tubular support 1), the second ring slider 22 is arranged in inside.First annular 21 He of sliding block
Radially even several connecting holes 23 that are distributed with are (in the present embodiment on the periphery in the separate axle center of the second ring slider 22
In, connecting hole 23 is equally distributed eight), the corresponding connecting hole on first annular sliding block 2 and the second ring slider 22
It is fixedly connected between 23 by fastening connection piece 24.The first annular sliding block 21 and the second ring slider 22 include
Internal spherical surface 25 and outer annular surface 26, wherein the longitudinal section of internal spherical surface 25 is more seamed edge structures, can be prevented and ring slider 2
The crank mechanism of upper connection is interfered, and the longitudinal section of outer annular surface 26 is that the outer circumference surface of circular configuration and tubular support 1 matches.
Referring to shown in Fig. 3 to 4, in the present embodiment, there are two half for first annular sliding block 21 and the second ring slider 22
Circular sliding block composition, two semicircular sliding block docking are linked together by fastening connection piece 24.In the present embodiment,
One ring slider 21 and the second ring slider 22 by fastening connection piece 24 during being connect, on first annular sliding block 21
Two semicircular sliding blocks and two on the second ring slider 22 semicircle sliding blocks docking at just misplace and connect (
Two semicircles on two semicircular sliding blocks and the second ring slider 22 in the present embodiment, on first annular sliding block 21
Just misplace 90 ° and install at the docking of sliding block), this ensure that entire ring slider 2 (including first annular sliding block 21 and second
Ring slider 22) in the stability of interface intensity.In the present embodiment, by ring slider 2 be fabricated to split structure save it is whole
The space of body structure is also easy to disassemble simultaneously.
Referring to shown in Fig. 1 to 2, in the present embodiment, transmission mechanism include include driving motor 6 and ball screw assembly, 7,
In, driving motor 6 is fixedly mounted on tubular support 1, it is connected by driving motor 6 with ball screw assembly, 7, ball screw assembly,
7 are connected with ring slider 2, and ball screw assembly, 7 drives axial direction of the ring slider 2 in linear guide 3 along tubular support 1 to carry out
Sliding.In the present embodiment, linear bearing 8 is installed on the periphery in the separate axle center of ring slider 2, by linear guide 3
It is set in linear bearing 8, linear bearing 8 drives ring slider 2 to move reciprocatingly in linear guide 3.In the present embodiment,
By installing a pair of of ball screw assembly, 7 on ring slider 2, one end setting driving motor 6 of ball screw assembly, 7 is (in this implementation
In example, driving motor 6 is stepper motor), drive ball screw assembly, 7 to rotate by driving motor 6, to push ring slider 2
Make axial linear movement.
Referring to shown in Fig. 1 to 2, in the present embodiment, crank mechanism includes crank 9, wherein one end of crank 9 passes through
Idler wheel 10 is flexibly connected with ring slider 2, and the other end of crank 9 is connected with the rotation axis 4 on guide vane 5.Several turns
Moving axis 4 is fixedly mounted on the blade face in the separate axle center of its corresponding guide vane 5, drives guide vane 5 to turn simultaneously when rotation axis 4 rotates
It is dynamic.In the present embodiment, a crank 9 is connected on each rotation axis 4 (being respectively mounted a rotation axis 4 on each guide vane 5), it is bent
Handle 9 is contacted and is positioned with ring slider 2 by idler wheel 10 (in the present embodiment, idler wheel 10 is preferably rolling bearing), and annular is sliding
Block 2 provides support by linear bearing 8 and linear guide 3, and ring slider 2 is that idler wheel 10 provides slideway, rolls when ring slider 2 pushes
When 10 movement of wheel, slideway can have position compensation in circumferencial direction, while the axial movement of ring slider 2 is converted by idler wheel 10
For more Plane Rotations (in the present embodiment, each crank 9 is respectively in respective flat in-plane moving) of multiple cranks 9, in this way, passing through
Movement of the crank 9 in respective plane drives the multiple rotation axis 4 for being distributed in circumferencial direction while rotating identical angle, turns
Moving axis 4 and guide vane 5 are an integral structure or split type structure, and guide vane 5 rotates when rotation axis 4 rotates.When 6 positive and negative rotation of driving motor
When turn on or off while can realize multiple guide vanes 5 in tubular support 1.
The course of work of the utility model is: after driving motor 6 starts, pushing ring slider 2 by ball screw assembly, 7
It axially moves on rectilinear orbit 3, ring slider 2 is by multiple idler wheels 10 and multiple cranks 6 (along 2 diameter of ring slider at this time
To distribution) drive multiple rotation axis 4 to rotate simultaneously, each rotation axis 4 drives guide vane 5 to carry out while rotating, while driving motor
It is turned on or off while can realizing multiple guide vane 5 when 6 positive and negative rotation.The utility model is by the axial movement of ring slider 2
More Plane Rotations of multiple cranks 9 are converted by idler wheel 10, compact-sized, drive mechanism is very laborsaving, and manufacture at
This is low, and part-subassemble standardization is easy, and stability is good, long service life.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.