CN204710697U - Screen box central authorities fixed head - Google Patents
Screen box central authorities fixed head Download PDFInfo
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- CN204710697U CN204710697U CN201520380447.6U CN201520380447U CN204710697U CN 204710697 U CN204710697 U CN 204710697U CN 201520380447 U CN201520380447 U CN 201520380447U CN 204710697 U CN204710697 U CN 204710697U
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Abstract
A kind of screen box central authorities fixed head, relates to Double-mass vibrating screen, especially a kind of screen box central authorities fixed head for strengthening screen box intensity.Screen box central authorities of the present utility model fixed head, is arranged in the middle of screen box, vertical with the compass screen surface of screen box, and touch with the exciting vibration spring seated connection at screen box top, it is characterized in that this central fixed head comprises median plate and liner plate card article, median plate is fixed on screen box centre position, and vertical with compass screen surface; Liner plate card article is two, is separately fixed at median plate both sides, and liner plate card article is positioned at above compass screen surface; The centre position on median plate top is provided with three places protruding, increases the contact area of exciting vibration spring seat and median plate, improve bonding strength between the two.Screen box central authorities of the present utility model fixed head, adopts median plate that screen box is divided into two parts, improves the fastness of screen box, the length of screen box exciting vibration spring seat and screen box support member can also be shortened, reduce requirement of strength, and the material above sieve plate can be divided into two parts, improve screening efficiency.
Description
Technical field
The utility model relates to Double-mass vibrating screen, and especially one is arranged on large-scale Double-mass vibrating screen, for strengthening the screen box central authorities fixed head of screen box intensity.
Background technology
Double-mass vibrating screen connects upper and lower plastid by exciting vibration spring, and the side sheet room of lower plastid (screen box) is equipped with exciting vibration spring seat, and exciting vibration spring quantity is a lot, is almost covered with all exciting vibration spring seats.Particularly along with the development that Double-mass vibrating screen maximizes, vibratory sieve quality is in continuous increase, and required exciting vibration spring, also in continuous increase, increases exponentially to the requirement of strength of screen box exciting vibration spring seat.In addition, along with the increase of screen box width, to the requirement of strength of screen box and sieve plate support member also in increase at double.There are screen box exciting vibration spring seat and screen box support member cracking, phenomenon of rupture to occur time in the use procedure of large-scale Double-mass vibrating screen, time serious, even occur that sieve box side plate ftractures.At present, traditional biside plate adds the Intensity Design needs that medial support structures has been difficult to the screen box meeting large-scale Double-mass vibrating screen.
Summary of the invention
To be solved in the utility model is exactly the problem of the sieve box side plate of existing large-scale Double-mass vibrating screen, screen box exciting vibration spring seat and screen box support member cracking, fracture.Proposing one is arranged on large-scale Double-mass vibrating screen, for strengthening the screen box central authorities fixed head of screen box intensity.
Screen box central authorities of the present utility model fixed head, is arranged in the middle of screen box, vertical with the compass screen surface of screen box, and touch with the exciting vibration spring seated connection at screen box top, it is characterized in that this central fixed head comprises median plate and liner plate card article, median plate is fixed on screen box centre position, and vertical with compass screen surface; Liner plate card article is two, is separately fixed at median plate both sides, and liner plate card article is positioned at above compass screen surface; The centre position on median plate top is provided with three places protruding, increases the contact area of exciting vibration spring seat and median plate, improve bonding strength between the two.
Described two ends, median plate top are respectively provided with a hole for hoist, and hole for hoist hole wall is also provided with hole for hoist stiffening ring, hole for hoist be used for assemble time lifting and equipment conveying, installation and maintenance time lifting, hole for hoist stiffening ring is for improving hole for hoist intensity.
Described median plate is arranged along Flow of Goods and Materials direction; its feed end is provided with a square breach; it is leg-of-mutton top liner plate that breach top is provided with a cross section; median plate both sides below breach are respectively with edge liner plate parcel; breach feeds the feed height of vibratory sieve for reducing material; reduce material to the wearing and tearing of vibratory sieve feed end and impact, top liner plate and limit liner plate can better protect median plate feed end, the impact that minimizing median plate feed end is subject to and wearing and tearing.
Described median plate face is also provided with boring, and median plate connects screen box support member and screen box spring base by boring.
Described median plate steel plate integral cutting makes, and its thickness is 2-3 times of sieve box side plate.
Described central fixed head also comprises protection liner plate, and protection liner plate is arranged on liner plate card article, in use, is stuck in by protection liner plate on liner plate card article, effectively can improves the intensity of median plate, reduces material to the wearing and tearing of median plate.
Screen box central authorities fixed head, be arranged between screen box biside plate, and be connected with screen box exciting vibration spring seat and screen box support member, junction all adopts high-strength bolt and locking nut, safe and reliable, not easily loosens; Utilize median plate effectively the width of screen box can be divided into two unit, shorten the length of screen box exciting vibration spring seat and screen box support member, reduce its requirement of strength; And median plate also has material-distributing action, the material above sieve plate can be divided into two parts, improve screening efficiency.
Screen box central authorities of the present utility model fixed head, design science, rational in infrastructure, easy to use, adopt median plate that screen box is divided into two parts, improve the fastness of screen box, the length of screen box exciting vibration spring seat and screen box support member can also be shortened simultaneously, reduce its requirement of strength, and the material above sieve plate can be divided into two parts, improve screening efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model side view.
Fig. 3 is the utility model scheme of installation.
Wherein, median plate 1, liner plate card article 2, protruding 3, hole for hoist 4, breach 5, top liner plate 6, edge liner plate 7, boring 8, protection liner plate 9, sieve box side plate 10, exciting vibration spring seat 11, compass screen surface 12, hole for hoist stiffening ring 13.
Detailed description of the invention
Embodiment 1: a kind of screen box central authorities fixed head, is arranged in the middle of screen box, vertical with the compass screen surface 12 of screen box, and contact with the exciting vibration spring seat 11 at screen box top, this central fixed head comprises median plate 1 and liner plate card article 2, and median plate 1 is fixed on screen box centre position, and vertical with compass screen surface 12; Liner plate card article 2 is two, is separately fixed at median plate 1 both sides, and liner plate card article 2 is positioned at above compass screen surface 12; The centre position on median plate 1 top is provided with three place's projections 3, increases exciting vibration spring seat 11 and the contact area of median plate 1, improve bonding strength between the two.A hole for hoist 4 is also respectively provided with at the two ends at median plate 1 top, hole for hoist 4 hole wall is also provided with hole for hoist stiffening ring 13, hole for hoist 4 for assemble time lifting and equipment conveying, installation and maintenance time lifting, hole for hoist stiffening ring 13 is for improving hole for hoist semi-finals degree.Median plate 1 is arranged along Flow of Goods and Materials direction; its feed end is provided with a square breach 5; it is leg-of-mutton top liner plate 6 that breach 5 top is provided with a cross section; median plate 1 both sides below breach 5 are wrapped up with edge liner plate 7 respectively; breach 5 feeds the feed height of vibratory sieve for reducing material; reduce material to the wearing and tearing of vibratory sieve feed end and impact, top liner plate 6 and limit liner plate better can protect median plate 1 feed end, the impact that minimizing median plate 1 feed end is subject to and wearing and tearing.Meanwhile, median plate 1 is also provided with boring 8, median plate 1 connects screen box support member and screen box spring base by boring 8.Median plate 1 steel plate integral cutting makes, and its thickness is 2-3 times of sieve box side plate 10.Central authorities' fixed head also comprises protection liner plate 9, and protection liner plate 9 is arranged on liner plate card article 2, in use, is stuck in by protection liner plate 9 on liner plate card article 2, effectively can improves the intensity of median plate 1, reduces material to the wearing and tearing of median plate 1.
Screen box central authorities fixed head, be arranged between screen box biside plate, and be connected with screen box exciting vibration spring seat 11 and screen box support member, junction all adopts high-strength bolt and locking nut, safe and reliable, not easily loosens; Utilize median plate 1 effectively the width of screen box can be divided into two unit, shorten the length of screen box exciting vibration spring seat 11 and screen box support member, reduce its requirement of strength; And median plate 1 also has material-distributing action, the material above sieve plate can be divided into two parts, improve screening efficiency.
Claims (6)
1. a screen box central authorities fixed head, be arranged in the middle of screen box, vertical with the compass screen surface (12) of screen box, and contact with the exciting vibration spring seat (11) at screen box top, it is characterized in that this central fixed head comprises median plate (1) and liner plate card article (2), median plate (1) is fixed on screen box centre position, and vertical with compass screen surface (12); Liner plate card article (2) is two, is separately fixed at median plate (1) both sides, and liner plate card article (2) is positioned at compass screen surface (12) top; The centre position on median plate (1) top is provided with three place's projections (3), increases exciting vibration spring seat (11) and the contact area of median plate (1), improve bonding strength between the two.
2. screen box central authorities as claimed in claim 1 fixed head, is characterized in that described median plate (1) two ends, top are respectively provided with a hole for hoist (4), hole for hoist (4) hole wall is also provided with hole for hoist stiffening ring (13).
3. screen box central authorities as claimed in claim 1 fixed head, it is characterized in that described median plate (1) is arranged along Flow of Goods and Materials direction, its feed end is provided with a square breach (5), it is leg-of-mutton top liner plate (6) that breach (5) top is provided with a cross section, and median plate (1) both sides of breach (5) below use edge liner plate (7) to wrap up respectively.
4. screen box central authorities as claimed in claim 1 fixed head, it is characterized in that described median plate (1) face is also provided with boring (8), median plate (1) connects screen box support member and screen box spring base by boring (8).
5. screen box central authorities as claimed in claim 1 fixed head, it is characterized in that described median plate (1) steel plate integral cutting makes, its thickness is 2-3 times of sieve box side plate (10).
6. screen box central authorities as claimed in claim 1 fixed head, it is characterized in that described central fixed head also comprises protection liner plate (9), protection liner plate (9) is arranged on liner plate card article (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520380447.6U CN204710697U (en) | 2015-06-05 | 2015-06-05 | Screen box central authorities fixed head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520380447.6U CN204710697U (en) | 2015-06-05 | 2015-06-05 | Screen box central authorities fixed head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204710697U true CN204710697U (en) | 2015-10-21 |
Family
ID=54309727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520380447.6U Active CN204710697U (en) | 2015-06-05 | 2015-06-05 | Screen box central authorities fixed head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204710697U (en) |
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2015
- 2015-06-05 CN CN201520380447.6U patent/CN204710697U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |