CN201891399U - Screen mesh compressing device of vibrating screen - Google Patents
Screen mesh compressing device of vibrating screen Download PDFInfo
- Publication number
- CN201891399U CN201891399U CN2010202381255U CN201020238125U CN201891399U CN 201891399 U CN201891399 U CN 201891399U CN 2010202381255 U CN2010202381255 U CN 2010202381255U CN 201020238125 U CN201020238125 U CN 201020238125U CN 201891399 U CN201891399 U CN 201891399U
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- CN
- China
- Prior art keywords
- screen
- air bag
- screen mesh
- vibrating
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model technically relates to a screen mesh compressing device of a vibrating screen, which belongs to the technical field of screen mesh device of vibrating screen for ground drilling fluid in petroleum engineering. The screen mesh compressing device of the vibrating screen is composed of air bag fixing plates, strip-shaped air bags, the screen mesh and a screen frame, wherein the middle part of the screen frame has a certain radian. Two side surfaces are inclined surfaces. The side plates of a screen box are welded at two sides of the screen frame. The air bag fixing plates are welded on the side plates of a sieving box at the two sides. The air bags are equipped on air bag fixing plates. Inside parts of the flanges of the screen mesh are provided with inclined surfaces which are matched with two side surfaces of a screen frame. A cylindrical pin is welded on one end of an extension plate on the upper surface of each flange, and a slotted hole which is matched with the cylindrical pin is provided at the other end. Three screen meshes are integrated through the cylindrical pins and the slotted holes, and are equipped on the screen frame. Pneumatic compression can cause the screen mesh to well cling to the screen frame for preventing asynchronous vibration. Not only is the service life of the screen mesh prolonged, but also drawing-out of all screen meshes from a vibrating screen for observation and replacement is facilitated. The screen mesh compressing device of the vibrating screen has good generalization and application values.
Description
Technical field
The utility model technology relates to a kind of vibrating screen mesh hold down gag, belongs to petroleum works ground drilling liquid vibrating screen mesh device technique field.
Background technology
Mostly existing vibrating screen mesh is that the fastening bolt by dense arrangement directly is fixedly connected with screen box, and after bolt assembly stood dither, easily torsional deformation caused fastening bolt to be difficult to dismantle and overhauls.In order to overcome above-mentioned technological deficiency, the fixed form of the patent No. a kind of screen cloth that has been 200620024969.3 patent disclosure and screen box, form by frame, screen box, fastening assembly, screen cloth, n font deck, the solid cushion block of taboo and holder, the fastening cushion block of triangular shape by n font deck and bolt fastener and screen box outer wall is tightened in screen cloth on the screen box, its shortcoming is: three screen clothes separately compress installation and removal separately, especially for bilayer or multilayer vibrating screen mesh, the use damage situations of observing screen cloth is cumbersome, and it is very inconvenient to change screen cloth; Screen cloth is subjected to the exciting force effect for a long time, and screen cloth and screen frame are understood asynchronous generation flutter up and down, influences the effect of vibrating screen mesh treated drilling fluid; When screen cloth two ends tensile force was big inadequately, fatigue break can take place; Tensile force is excessive when the screen cloth two ends, tearing property damage easily; If both sides bolt tensile force is asymmetric, also can shorten screen life-span greatly.
The utility model content
The purpose of this utility model is to overcome three screen clothes that exist in the above-mentioned prior art and compresses separately, installation and removal inconvenience, and the tensile force of screen cloth is difficult to control, and screen cloth and the not tight flimsy defective of screen frame applying design a kind of vibrating screen mesh hold down gag.
For achieving the above object, the utility model is achieved through the following technical solutions:
The utility model comprises connection between screen cloth and pneumatic clamping two parts of screen cloth.Be made up of air bag fixed head, strip shaped air sac, screen cloth and screen frame, wherein the screen frame middle part has certain radian, and two sides are the inclined-plane; Sieve box side plate is welded on the both sides of screen frame; The air bag fixed head is welded on the sieve box side plate of both sides, and air bag is installed on the air bag fixed head; Screen cloth flanging inboard is provided with the inclined-plane that matches with the screen frame two sides, an end stretches out and is welded with straight pin on the plate on the flanging upper surface, the other end have a slotted eye that matches with straight pin, three screen clothes connect into an integral body by straight pin and slotted eye, are installed on the screen frame.
Screen cloth syndeton according to technique scheme processing, can make screen cloth be interconnected to an integral body, simultaneously, pneumatic clamping can make screen cloth well be close on the screen frame, asynchronous flutter can not take place, can extract all screen clothes out from the vibrosieve outlet side easily again and observe and change the application life of promptly having improved screen cloth, has good promotion and application and be worth.
Description of drawings
Fig. 1 is the compressing structure schematic diagram of the utility model under air bag unaerated state;
Fig. 2 is the compressing structure schematic diagram of the utility model under inflated condition;
Fig. 3 is a syndeton schematic diagram between screen cloth of the present utility model.
The specific embodiment
The utility model is done with detailed description below in conjunction with drawings and Examples:
As shown in the figure, the utility model is made up of air bag fixed head 2, strip shaped air sac 5, screen cloth 6 and screen frame 7, and sieve box side plate 1 is welded on the both sides of screen frame 7, is welded with air bag fixed head 2 on the sieve box side plate 1 of both sides, and air bag 5 is installed on the air bag fixed head 2; An end stretches out and is welded with straight pin 11 on the plate 10 on the screen cloth 6 flanging upper surfaces 8, and 12, three screen clothes 6 of slotted eye that match with straight pin 11 that have of the other end connect into an integral body by straight pin 11 and slotted eye 12, are installed on the screen frame 7.
Described screen frame 7 middle parts have certain radian, and two sides are the inclined-plane.
Described screen cloth 6 flanging inboards are provided with the inclined-plane 9 that matches with screen frame 7 two sides,
Have dovetail groove 3 on the described air bag fixed head 2, air bag 5 tops are to cooperate dovetail slideway 4 with dovetail groove 3.
Described air bag 5 is a strip shaped air sac.
Behind strip shaped air sac 5 external sources of the gas, expand, be pressed on the screen cloth 6 flanging upper surfaces 8, screen cloth 6 is compressed downwards, the inboard inclined-plane 9 of screen cloth 6 flangings is fitted tightly with inclined-plane, screen frame 7 both sides, realize compressing of screen cloth 6, avoid taking place asynchronous flutter; After air bag 5 venting, air bag 5 shrinks, and screen cloth 6 unclamps from screen frame 7, can extract all screen clothes 6 out from the vibrosieve outlet side and observe or change.
Claims (5)
1. vibrating screen mesh hold down gag, form by sieve box side plate (1), screen cloth (6) and screen frame (7), sieve box side plate (1) is welded on the both sides of screen frame (7), it is characterized in that: be welded with air bag fixed head (2) on the sieve box side plate (1) of both sides, air bag (5) is installed on the air bag fixed head (2); The last end of screen cloth (6) flanging upper surface (8) stretches out and is welded with straight pin (11) on the plate (10), the other end have a slotted eye (12) that matches with straight pin (11), screen cloth (6) connects into an integral body by straight pin (11) and slotted eye (12), is installed on the screen frame (7).
2. vibrating screen mesh hold down gag according to claim 1 is characterized in that: screen frame (7) middle part has certain radian, and two sides are the inclined-plane.
3. vibrating screen mesh hold down gag according to claim 1 and 2 is characterized in that: screen cloth (6) flanging inboard is provided with the inclined-plane (9) that matches with screen frame (7) two sides.
4. vibrating screen mesh hold down gag according to claim 1 and 2 is characterized in that: have dovetail groove (3) on the air bag fixed head (2), air bag (5) top is to cooperate dovetail slideway (4) with dovetail groove (3).
5. vibrating screen mesh hold down gag according to claim 1 and 2 is characterized in that: described air bag (5) is a strip shaped air sac.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202381255U CN201891399U (en) | 2010-06-25 | 2010-06-25 | Screen mesh compressing device of vibrating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202381255U CN201891399U (en) | 2010-06-25 | 2010-06-25 | Screen mesh compressing device of vibrating screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201891399U true CN201891399U (en) | 2011-07-06 |
Family
ID=44220876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202381255U Expired - Fee Related CN201891399U (en) | 2010-06-25 | 2010-06-25 | Screen mesh compressing device of vibrating screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201891399U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157601A (en) * | 2013-03-29 | 2013-06-19 | 河南省四达仙龙实业有限公司 | Screen hold-down device of grinder |
| CN104646282A (en) * | 2015-02-13 | 2015-05-27 | 刘越浪 | Device for compressing screen mesh pneumatically |
| CN106985042A (en) * | 2015-12-09 | 2017-07-28 | 史丹利蒙技术股份公司 | Grind boots, device, mill boots bearing and method for fixed mill boots |
-
2010
- 2010-06-25 CN CN2010202381255U patent/CN201891399U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157601A (en) * | 2013-03-29 | 2013-06-19 | 河南省四达仙龙实业有限公司 | Screen hold-down device of grinder |
| CN104646282A (en) * | 2015-02-13 | 2015-05-27 | 刘越浪 | Device for compressing screen mesh pneumatically |
| CN106985042A (en) * | 2015-12-09 | 2017-07-28 | 史丹利蒙技术股份公司 | Grind boots, device, mill boots bearing and method for fixed mill boots |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20150625 |
|
| EXPY | Termination of patent right or utility model |