CN104848695B - A kind of vibration feed tank composite draw rod suspension arrangement - Google Patents
A kind of vibration feed tank composite draw rod suspension arrangement Download PDFInfo
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- CN104848695B CN104848695B CN201510315772.9A CN201510315772A CN104848695B CN 104848695 B CN104848695 B CN 104848695B CN 201510315772 A CN201510315772 A CN 201510315772A CN 104848695 B CN104848695 B CN 104848695B
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Abstract
The invention discloses a kind of vibration feed tank composite draw rod suspension arrangement, including bearing and the composite draw rod swing mechanism that is arranged on bearing；The mechanism is included for connecting the pull bar of charging spout and bearing and the briquetting group of charging spout and bearing being locked with pull bar；The pull bar is at least two, and is arranged symmetrically relative to the contact line of briquetting group；The briquetting group includes upper holder block group and lower lock block group, and the pull bar is sequentially passed through in upper holder block group, bearing, charging spout and lower lock block group, and its two ends is fixed by nut check；Not only bearing capacity is strong for the suspension arrangement of the present invention, moreover it is possible to absorb larger shock loading, and reliable and stable in long-term work, and the long lifespan of pull bar, maintenance are small, there is significant raising to production efficiency.
Description
Technical field
The invention belongs to charging (feeding) equipment technical field, and in particular to a kind of vibration feed tank composite draw rod suspension arrangement.
Background technology
Scrap steel preheating PNEUMATICALLY CONTROLLED PERISTALTIC SOLIDS is one of core technology that electric furnace steel making develops to energy-saving and environmental protection direction, typical case
Such as CONSTEEL horizontal continuity feeding devices.Wherein, suspension arrangement is the core component of continuous feeding, be charging spout and
Steel scrap provides support, bears vibration and the shock loading produced during steel scrap charging.More particularly to vibration feed tank volume it is special
When not big, single steel scrap charge weight produces larger shock loading up to 20~30t when not only feeding, to suspension during vibration charging
Device applies larger alternate load.Current rod-pulling type suspension arrangement is used extensively, in reality in steel scrap continuous charging equipment
During use, pull bar is easily broken, and changing pull bar wastes time and energy, and suspension arrangement maintenance is restriction CONSTEEL electricity greatly
One of key factor of production efficiency that stove is improved.
The content of the invention
The deficiency that prior art is present in view of the above, it is an object of the invention to provide a kind of vibration feed tank with again
Pull bar suspension arrangement is closed, to realize the bearing capacity of enhancing suspension arrangement, moreover it is possible to absorb larger shock loading, and long-term work
In it is reliable and stable, its pull bar long lifespan, maintenance are small, have remarkable result to the raising of production efficiency.
The present invention is achieved through the following technical solutions：
A kind of vibration feed tank composite draw rod suspension arrangement that the present invention is provided, including bearing and be arranged on bearing
Composite draw rod swing mechanism；The mechanism includes the pull bar for connecting charging spout and bearing and locked with pull bar to add
The briquetting group of hopper and bearing；The pull bar is at least two, and is arranged symmetrically relative to the contact line of briquetting group；The briquetting
Group includes upper holder block group and lower lock block group, and the pull bar is sequentially passed through in upper holder block group, bearing, charging spout and lower lock block group,
And its two ends is fixed by nut check；The upper holder block group includes briquetting a and b, and the briquetting b is fixedly connected with bearing, institute
Briquetting a is stated to be arranged between briquetting b and nut；The lower lock block group includes briquetting c and d, and the briquetting d is fixed with charging spout to be connected
Connect, the briquetting c is arranged between briquetting d and nut.
Further, be respectively provided with through hole A and B that pull bar is passed through on the briquetting a and b, the aperture of the through hole A with
Pull bar diameter is suitable, the aperture ratio through hole A of the through hole B big 5~40mm in aperture；The briquetting c on d with being respectively provided with
Through hole C and D that pull bar is passed through, the aperture of the through hole C are suitable with pull bar diameter, the aperture ratio through hole C of through hole D aperture
Big 5~40mm.
Further, the through hole A and C is circular hole；The through hole B and D can be circular hole or waist-shaped hole or taper hole.
Further, the briquetting group is convex-concave structure, and the briquetting a and c is cylinder convex body, and the briquetting b and d is cylinder
Concave volume, the briquetting a is that linear contact lay or face are contacted with the d way of contact with b and briquetting c.
Further, the mechanism also includes buffer unit, and the buffer unit is located between upper holder block group and nut or set
Between lower lock block group and nut or simultaneously located between upper and lower briquetting group and nut.
Further, the buffer unit is spring or rubber blanket or remaining elastic component.
Further, the mechanism is at least two sets, and is arranged along the suspension central point of bearing.
The advantage of the invention is that：
1. the composite draw rod swing mechanism of the present invention includes at least two pull bars, and symmetrical relative to the contact line of briquetting group
Arrangement, its duplex pull rod constitute cross sectional moment of inertia be simplex pull rod decades of times, the mechanism in charging spout oscillating movement is followed, its
Moment of friction between briquetting is overcome by the drag torque of pull bar, and pull bar termination screw thread position overcomes simplex pull rod without Moment
Stress, and the defect that pull bar is easily broken under the conditions of the stress concentration by bending at ends screw so that the pull bar life-span is significantly
Increase.
2. the secondary loading end of the cylinder formed between the cylinder bump body briquetting of the present invention, its briquetting is not influenceed by perforate, phase
The structure passed through for simplex pull rod from the secondary contact line of cylinder, under the secondary width of identical cylinder its loaded area increase 50% with
On, the secondary bearing capacity of cylinder can be significantly improved, extends the service life of composite draw rod swing mechanism.
3. the cushioning effect that the buffer unit of the present invention rises, can absorb the shock loading that the operating modes such as charging are produced, protect
Pull bar and briquetting part are protected；Simultaneous buffering device can also pulling force that uniformly each pull bar is born, reduce and composite draw rod put
The requirement with installation accuracy is made in motivation structure, it is to avoid because the deformation in manufacture, alignment error and production process causes tension distribution
It is uneven so that equipment is installed, adjusts easier.
Other advantages, target and the feature of the present invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.The present invention target and other advantages can be realized by following specification and
Obtain.
Brief description of the drawings
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
The detailed description of one step, wherein：
Fig. 1 is the structural representation of composite draw rod suspension arrangement；
Fig. 2 is duplex pull rod mechanism structure schematic diagram；
Fig. 3 is the schematic top plan view of duplex pull rod mechanism；
Fig. 4 is the schematic top plan view of four-pull-rod mechanism；
Fig. 5 is that composite draw rod suspension arrangement is applied to vibration feed tank schematic diagram.
Embodiment
Below with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail；It should be appreciated that preferred embodiment
Only for the explanation present invention, the protection domain being not intended to be limiting of the invention.
Embodiment one：
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of vibration feed tank composite draw rod suspension arrangement, including bearing 1 and setting
Composite draw rod swing mechanism 2 on bearing 1；The mechanism 2 include being used for the pull bar 21 for connecting charging spout 3 and bearing 1 and
The briquetting group of charging spout 3 and bearing 1 is locked with pull bar 21；The pull bar 21 is at least two, and relative to briquetting group
Contact line 4 (if face is contacted, then geometric center lines of abutment face length direction) is arranged symmetrically；The briquetting group includes upper pressure
Block group and lower lock block group, the pull bar 21 are sequentially passed through in upper holder block group, bearing 1, charging spout 3 and lower lock block group, and its two
End is locked by nut 23；The upper holder block group includes briquetting a221 and b222, the briquetting b222 welded with bearing 1 or
It is fixedly connected with foundation bolt, the briquetting a221 is arranged between briquetting b222 and nut 23；The lower lock block group includes pressure
Block c223 and d224, the briquetting d224 is welded with charging spout 3 or bolt connection is fixed, and the briquetting c223 is arranged on briquetting
Between d224 and nut；The upper end of pull bar 21 is provided with plain nut and opening nut in the present embodiment, and lower end is provided with opening
Nut, upper and lower opening nut is respectively arranged with split pin, so that pull bar 21 can preferably lock reinforcing.The composite draw rod pendulum of the present invention
Motivation structure pull bar is at least two, and is symmetrically distributed in the both sides of briquetting group contact line, and the mechanism is following charging spout vibration fortune
In dynamic, the moment of friction between its briquetting is overcome by the drag torque of pull bar, i.e. duplex pull rod ends screw position without Moment, gram
Take at simplex pull rod swinging structure pull bar termination screw thread stress by bending, and pull bar is highly vulnerable to breakage under the conditions of the stress concentration
Defect.
As further improvement of this embodiment, it is respectively provided with what pull bar 21 was passed through on the briquetting a221 and b222
Through hole A and B, the aperture of the through hole A are suitable with the diameter of pull bar 21, and the aperture ratio through hole A of through hole B aperture is big by 5~
40mm；Through hole C and D that pull bar 21 is passed through, the aperture of the through hole C and drawing are respectively provided with the briquetting c223 and d224
Quite, the aperture ratio through hole C of the through hole D big 5~40mm in aperture, the through hole A and C is circular hole to the diameter of bar 21, described logical
Hole B and D can be circular hole or waist-shaped hole or taper hole；Through hole A described in the present embodiment is identical with C aperture, the through hole B's and D
Aperture is identical, and is circular hole；The briquetting group is convex-concave structure, and the briquetting a221 and c223 is cylinder convex body, the briquetting
B222 and d224 is cylinder concave volume, the briquetting a221 and b222 and briquetting c223 and d224 way of contact for linear contact lay or
Face is contacted.In the present embodiment, contacted between briquetting for face.
Specifically, contact site forms post between cylinder bump body briquetting a221 and b222 and briquetting c223 and d224
Face pair.During work, the drive cylinder convex body briquetting a221 and c223 of reciprocating vibration of charging spout 3 and the reciprocally swinging of pull bar 21, cylinder are convex
Body briquetting a221 and c223 is slided on cylinder concave volume briquetting b222 and d224 respectively with the swing of pull bar 21, and its cylinder is convex
There is moment of friction in the secondary loading end of cylinder between concave volume briquetting, its moment of friction is overcome by the drag torque of pull bar, with this implementation
Example Structure Calculation is learnt, because overcoming the unilateral draw-bar pull value increase about 10% of moment of friction, the i.e. increase of pull bar maximum stress value about
10%；And moment of friction is overcome by pull bar moment of flexure between simplex pull rod swing mechanism, briquetting cylinder pair, under the same terms, pull bar moment of flexure
The maximum stress of generation is about 5 times of pull bar normal maximum stress value.Duplex pull rod has larger centre-to-centre spacing in the present embodiment, its structure
Into cross sectional moment of inertia be 50 times of simplex pull rod, therefore the influence of moment of flexure can be ignored, and pull bar maximum combined stress value is significantly
Reduction, the life-span is increased；At the same time, the cylinder pair between the present embodiment central column face bump body briquetting is not reduced because of perforate,
The secondary bearing capacity of cylinder can be significantly improved, is increased the service life.
As further improvement of this embodiment, the mechanism also includes buffer unit 24, and the buffer unit 24 is located at
It is located between upper holder block group and nut or between lower lock block group and nut or simultaneously between upper and lower briquetting group and nut, institute
Buffer unit 24 is stated for spring or rubber blanket or remaining elastic component；Buffer unit uses butterfly spring in the present embodiment, and sets
Between upper holder block group and nut, that is, the spring being provided with uniformly can bear pulling force by each pull bar 21, it is to avoid manufacture, alignment error and
Deformation in the course of work causes tension distribution uneven, so that the service life of pull bar 21 and briquetting group is influenceed, while rise slow again
Punching is acted on, and can effectively absorb the shock loading that the operating modes such as charging are produced.
As shown in figure 5, being the further bearing capacity for improving suspension arrangement in the present embodiment, the composite draw rod is swung
Mechanism is at least two sets, and arranges that not only bearing capacity is strong for such suspension arrangement along the suspension central point of bearing, moreover it is possible to
Larger shock loading is absorbed, and it is reliable and stable in long-term work, maintenance is small, there is significant raising to production efficiency.
Embodiment two：
As shown in figure 4, a kind of vibration feed tank composite draw rod suspension arrangement, comprising four pull bars 21, and relative to pressure
The contact line 4 of block group is arranged symmetrically, if a certain pull bar 21 fails in the course of work, and its composite draw rod suspension arrangement remains to maintain
Normal work for a period of time, can reduce catastrophic failure parking probability, ensure normal production.
Upper described only the preferred embodiments of the present invention, are not intended to limit the invention, it is clear that those skilled in the art
Various changes and modification can be carried out to the present invention without departing from the spirit and scope of the present invention.So, if the present invention this
A little modifications and modification belong within the scope of the claims in the present invention and its equivalent technologies, then the present invention is also intended to change comprising these
Including dynamic and modification.
Claims (6)
1. a kind of vibration feed tank composite draw rod suspension arrangement, it is characterised in that：Including bearing and it is arranged on bearing
Composite draw rod swing mechanism；The mechanism includes the pull bar for connecting charging spout and bearing and locks charging with pull bar
The briquetting group of groove and bearing；The briquetting group include upper holder block group and lower lock block group, the pull bar sequentially pass through in upper holder block group,
Bearing, charging spout and lower lock block group, and its two ends fixed by nut check；The upper holder block group includes briquetting a and b, institute
State briquetting b to be fixedly connected with bearing, the briquetting a is arranged between briquetting b and nut；The lower lock block group include briquetting c and
D, the briquetting d is fixedly connected with charging spout, and the briquetting c is arranged between briquetting d and nut；The briquetting group is convex-concave knot
Structure, the briquetting a and c is cylinder convex body, and the briquetting b and d is cylinder concave volume, and the briquetting a and b's and briquetting c and d connects
The mode of touching is linear contact lay；The pull bar is at least two, and relative to briquetting a and b and briquetting c and the d symmetrical cloth of contact line
Put.
2. vibration feed tank according to claim 1 composite draw rod suspension arrangement, it is characterised in that：
Through hole A and B that pull bar is passed through, aperture and the pull bar diameter phase of the through hole A are respectively provided with the briquetting a and b
As the aperture ratio through hole A of the through hole B big 5~40mm in aperture；
Through hole C and D that pull bar is passed through, aperture and the pull bar diameter phase of the through hole C are respectively provided with the briquetting c and d
As the aperture ratio through hole C of the through hole D big 5~40mm in aperture.
3. vibration feed tank according to claim 2 composite draw rod suspension arrangement, it is characterised in that：The through hole A and C
For circular hole；The through hole B and D is circular hole or waist-shaped hole or taper hole.
4. the vibration feed tank composite draw rod suspension arrangement according to claim any one of 1-3, it is characterised in that：It is described
Mechanism also includes buffer unit, and the buffer unit is located between upper holder block group and nut or between lower lock block group and nut
Or be located at simultaneously between upper and lower briquetting group and nut.
5. vibration feed tank according to claim 4 composite draw rod suspension arrangement, it is characterised in that：The buffer unit
For spring or rubber blanket or remaining elastic component.
6. vibration feed tank according to claim 4 composite draw rod suspension arrangement, it is characterised in that：The mechanism is at least
For two sets, and arranged along the suspension central point of bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510315772.9A CN104848695B (en) | 2015-06-10 | 2015-06-10 | A kind of vibration feed tank composite draw rod suspension arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510315772.9A CN104848695B (en) | 2015-06-10 | 2015-06-10 | A kind of vibration feed tank composite draw rod suspension arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104848695A CN104848695A (en) | 2015-08-19 |
| CN104848695B true CN104848695B (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510315772.9A Active CN104848695B (en) | 2015-06-10 | 2015-06-10 | A kind of vibration feed tank composite draw rod suspension arrangement |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776395A (en) * | 2010-02-01 | 2010-07-14 | 中冶赛迪工程技术股份有限公司 | Electric furnace charging and preheating device |
| ITMI20121257A1 (en) * | 2012-07-19 | 2014-01-20 | Tenova Spa | INSTALLATION AND ITS PROCEDURE FOR FOOD IN A CONTINUOUS WAY OF METAL MATERIAL HEATED WITH A FUSION OVEN FOR STEEL PRODUCTION |
| CN103954133B (en) * | 2014-02-11 | 2016-05-25 | 河南太行全利重工股份有限公司 | A kind of middle frequency furnace reinforced device of fluxing continuously |
| CN204694074U (en) * | 2015-06-10 | 2015-10-07 | 中冶赛迪工程技术股份有限公司 | A kind of vibration feed tank composite draw rod suspension arrangement |
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