CN104107803B - A kind of vibrating screen mesh fast tensioning device - Google Patents
A kind of vibrating screen mesh fast tensioning device Download PDFInfo
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- CN104107803B CN104107803B CN201410313895.4A CN201410313895A CN104107803B CN 104107803 B CN104107803 B CN 104107803B CN 201410313895 A CN201410313895 A CN 201410313895A CN 104107803 B CN104107803 B CN 104107803B
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- tensioning
- swivel head
- edge cam
- vibrating screen
- screen mesh
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Abstract
The invention discloses a kind of vibrating screen mesh fast tensioning device, it comprises tensioning bolt (1), edge cam (2), stressed cover (3), swivel head (4), plain washer (15), adjusting nut (12) and locking nut (13), realize adjustment to tensioning bolt (1) axial location by rotating swivel head (4), thus realize the tensioning of screen cloth (20) and unclamp.The invention has the beneficial effects as follows: compact conformation, save workman's amount of labour, tensioning vibrating screen mesh efficiency is high.
Description
Technical field
The present invention relates to the technical field of the tensioning of oil drilling vibrating screen mesh, particularly a kind of vibrating screen mesh fast tensioning device.
Background technology
At present, the scope of application of vibration screen is very extensive, vibrating screen mesh is mainly used in the industries such as oil, coal, smelting, building materials, refractory material, chemical industry, extremely frequent particularly in oil drilling industry, in petroleum drilling operation, vibrating screen mesh is mainly used in landwaste and other the harmful solid phase particles of removing drilling fluid, requires that vibrating screen mesh has larger treating capacity on the one hand, the solid phase particles in energy removing drilling fluid as much as possible; Require continuous renewal and the development of vibrating screen mesh on the other hand.Experimental results demonstrate to there is after vibrating screen mesh is tensioned the performance of process landwaste preferably, extend the service life of vibrating screen mesh.
The vibrating screen mesh great majority that current oil field drilling, well workover use all adopt crochet screen cloth, the tensioning of crochet screen cloth is fixed and is usually fixed 4 screws in the two sides of vibrating screen mesh, again by the tensioning of pressing plate to vibrating screen mesh, but, fix a screen cloth with bolt and approximately need 30 minutes, this adds the labour intensity intensity of workman beyond doubt, wastes labour, seriously reduce the production efficiency of vibrating screen mesh, be difficult to meet the large market of vibrating screen mesh demand.In addition, the method for this tensioning vibrating screen mesh makes the distortion of the crochet of pressing plate and vibrating screen mesh large and vibrating screen mesh discontinuity, thus reduces the service life of vibrating screen mesh.
Summary of the invention
The object of the invention is to the shortcoming overcoming prior art, a kind of compact conformation be provided, save the workman amount of labour, vibrating screen mesh fast tensioning device that tensioning vibrating screen mesh efficiency is high.
Object of the present invention is achieved through the following technical solutions: a kind of vibrating screen mesh fast tensioning device, it comprises tensioning bolt, edge cam, stressed cover, swivel head, elastic spring, plain washer, adjusting nut and locking nut, there is the pilot hole of hexagon shape at described edge cam center, one end of stressed cover is outer hexagonal prism, outer hexagonal prism is inserted in pilot hole, the other end of stressed cover is assemblied in the endoporus of rotation headgear, elastic spring to stressed cover screens is also installed in the endoporus of rotation headgear, prevent from coming off from hole when releasing orientation, edge cam end face outward flange is symmetrically arranged with two curved surfaces, described swivel head is symmetrically arranged with two paws matched with described curved surface, paw is pressed on corresponding curved surface respectively, edge cam is installed on screen box, the rearward end of tensioning bolt connects screen cloth, adjusting nut is screwed into appropriate location and with locking nut, it is tight, when rotating swivel head, move vertically at the acting in conjunction lower stress cover of swivel head and pilot hole, do not rotate, thus drive tensioning bolt to move back and forth, realization is to the tensioning of screen cloth and unclamp.
Be provided with hook bottom edge cam, the mounting means of this device is be hung on by the hook bottom edge cam on the inclined-plane mount pad outside screen box, limits the free degree that it rotates, and coordinates tensioning bolt to its axial location.
Edge cam end face outward flange is symmetrically arranged with two curved surfaces, each curved surface extremely pushed up successively respectively by spiral camber I the end of by, pre-tensioner plane, spiral camber II, tensioning plane and spacing bank composition, spiral camber I has comparatively coarse pitch, spiral camber II has comparatively fine pitch, meet the needs of the actual tensioning technique of screen cloth like this, when paw is in spiral camber I interval, tensioning bolt is in relaxed state, be convenient to the mounting or dismounting of screen cloth and pressing plate, after screen cloth just fills, the paw of swivel head is gone to pre-tensioner plan-position, then further contraposition is carried out to screen cloth, finally be threaded to tensioning plan-position.
Described pilot hole be just in hexagonal prism hole, one end of stressed cover be just outer hexagonal prism, and just outer hexagonal prism is placed in the just interior hexagonal prism hole of edge cam, makes stressedly only to move axially, to guarantee that tensioning stud non-angular misplaces when being enclosed within spin head.
The invention has the beneficial effects as follows: the quick tensioning achieving vibrating screen mesh, thus operation very simple, save the amount of labour of workman, improve the tensioning efficiency of vibrating screen mesh.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is exploded perspective view of the present invention;
Fig. 3 is operating diagram of the present invention;
Fig. 4 is sectional structure schematic diagram of the present invention
In figure, 1-tensioning bolt, 2-edge cam, the stressed cover of 3-, 4-swivel head, 5-mount pad, 6-pilot hole, 7-spiral camber I, the spacing bank of 8-spiral camber II, 9-, the outer hexagonal prism of 10-, 11-paw, 12-adjusting nut, 13-locking nut, 14-links up with, 15-plain washer, 16-elastic spring, 17-circular fin, 18-curved surface, 19-screen box, 20-screen cloth, the pre-tensioner plane of 21-.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described, and protection scope of the present invention is not limited to the following stated:
As Fig. 1, Fig. 2, shown in Fig. 4, a kind of vibrating screen mesh fast tensioning device, it comprises tensioning bolt 1, edge cam 2, stressed cover 3, swivel head 4, elastic spring 16, plain washer 15, adjusting nut 12 and locking nut 13, the leading section of tensioning bolt 1 is successively through edge cam 2, stressed cover 3 and plain washer 15, there is the pilot hole 6 of hexagon shape at described edge cam 2 center, one end of stressed cover 3 is outer hexagonal prism 10, outer hexagonal prism 10 is inserted in pilot hole 6, stressed cover 3 is enclosed within tensioning bolt 1 and the other end of stressed cover 3 is assemblied in the endoporus that swivel head 4 overlaps, this end of stressed cover 3 is provided with circular fin 17, the endoporus that swivel head 4 overlaps supports the step surface of circular fin 17 when being provided with tensioning state, elastic spring 16 to the screens of stressed cover 3 is also installed in the endoporus that swivel head 4 overlaps, prevent from coming off from hole when releasing orientation, edge cam 2 end face outward flange is symmetrically arranged with two curved surfaces 18, described swivel head 4 is symmetrically arranged with two paws 11 matched with described curved surface 18, paw 11 is pressed on corresponding curved surface 18 respectively, adjusting nut 12 and locking nut 13 are installed on the leading section of tensioning bolt 1 successively, as shown in Figure 3, edge cam 2 is installed on screen box 19, the rearward end of tensioning bolt 1 connects screen cloth 20, adjusting nut 12 be screwed into appropriate location and use locking nut 13 that it is also tight, when rotating swivel head 4, move vertically at the acting in conjunction lower stress cover 3 of swivel head 4 and pilot hole 6, do not rotate, thus drive tensioning bolt 1 to move back and forth, realization is to the tensioning of screen cloth 20 and unclamp.
Be provided with hook 14 bottom edge cam 2, the mounting means of this device be by edge cam 2 bottom hook 14 be hung on the inclined-plane mount pad 5 outside screen box 19, limit the free degree that it rotates, coordinate tensioning bolt 1 to its axial location.
Edge cam 2 end face outward flange is symmetrically arranged with two curved surfaces 18, each curved surface 18 extremely pushed up successively respectively by spiral camber I7 the end of by, pre-tensioner plane 21, spiral camber II8, tensioning plane and spacing bank 9 form, spiral camber I7 has comparatively coarse pitch, spiral camber II8 has comparatively fine pitch, meet the needs of the actual tensioning technique of screen cloth 20 like this, when paw 11 is in spiral camber I7 interval, tensioning bolt 1 is in relaxed state, be convenient to the mounting or dismounting of screen cloth 20 and pressing plate, after screen cloth 20 just fills, the paw 11 of swivel head 4 is gone to pre-tensioner plane 21 position, then further contraposition is carried out to screen cloth 20, finally be threaded to tensioning plan-position.
Described pilot hole 6 is just interior hexagonal prism hole, and one end of stressed cover 3 is just outer hexagonal prism 10, and just outer hexagonal prism 10 is placed in the just interior hexagonal prism hole of edge cam 2, stressed cover 3 is only moved axially, to guarantee that tensioning stud non-angular misplaces when swivel head 4 rotates.
Present invention achieves the quick tensioning of vibrating screen mesh 20, thus operation very simple, save the amount of labour of workman, improve the tensioning efficiency of vibrating screen mesh 20.
Claims (4)
1. a vibrating screen mesh fast tensioning device, it is characterized in that: it comprises tensioning bolt (1), edge cam (2), stressed cover (3), swivel head (4), elastic spring (16), plain washer (15), adjusting nut (12) and locking nut (13), there is the pilot hole (6) of hexagon shape at described edge cam (2) center, one end of stressed cover (3) is outer hexagonal prism (10), outer hexagonal prism (10) is inserted in pilot hole (6), the other end of stressed cover (3) is assemblied in the endoporus of swivel head (4), elastic spring (16) to stressed cover (3) screens is also installed in the endoporus of swivel head (4), prevent from coming off from hole when releasing orientation, edge cam (2) end face outward flange is symmetrically arranged with two curved surfaces (18), described swivel head (4) is symmetrically arranged with two paws (11) matched with described curved surface (18), paw (11) is pressed on corresponding curved surface (18) respectively, edge cam (2) is installed on screen box (19), the rearward end of tensioning bolt (1) connects screen cloth (20), adjusting nut (12) be screwed into appropriate location and use locking nut (13) that it is also tight, when rotating swivel head (4), move vertically at the acting in conjunction lower stress cover (3) of swivel head (4) and pilot hole (6), do not rotate, thus drive tensioning bolt (1) to move back and forth, realization is to the tensioning of screen cloth (20) and unclamp.
2. a kind of vibrating screen mesh fast tensioning device according to claim 1, it is characterized in that: edge cam (2) end face outward flange is symmetrically arranged with two curved surfaces (18), each curved surface (18) extremely pushed up successively respectively by spiral camber I(7 the end of by), pre-tensioner plane (21), spiral camber II(8), tensioning plane and spacing bank (9) composition, spiral camber I(7) there is comparatively coarse pitch, spiral camber II(8) there is comparatively fine pitch, paw (11) is in spiral camber I(7) interval time, tensioning bolt (1) is in relaxed state, be convenient to the mounting or dismounting of screen cloth (20) and pressing plate, after screen cloth (20) just fills, the paw (11) of swivel head (4) is gone to pre-tensioner plane (21) position, then further contraposition is carried out to screen cloth (20), finally be threaded to tensioning plan-position.
3. a kind of vibrating screen mesh fast tensioning device according to claim 1, it is characterized in that: described pilot hole (6) is just interior hexagonal prism hole, one end of stressed cover (3) is just outer hexagonal prism (10), just outer hexagonal prism (10) is placed in the just interior hexagonal prism hole of edge cam (2), stressed cover (3) is only moved axially, to guarantee that tensioning stud non-angular misplaces when swivel head (4) rotates.
4. a kind of vibrating screen mesh fast tensioning device according to claim 1, it is characterized in that: described edge cam (2) bottom is provided with hook (14), the mounting means of this device is be hung on the inclined-plane mount pad (5) in screen box (19) outside by the hook (14) of edge cam (2) bottom, limit the free degree that it rotates, coordinate tensioning bolt (1) to its axial location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410313895.4A CN104107803B (en) | 2014-07-03 | 2014-07-03 | A kind of vibrating screen mesh fast tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410313895.4A CN104107803B (en) | 2014-07-03 | 2014-07-03 | A kind of vibrating screen mesh fast tensioning device |
Publications (2)
| Publication Number | Publication Date |
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| CN104107803A CN104107803A (en) | 2014-10-22 |
| CN104107803B true CN104107803B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410313895.4A Active CN104107803B (en) | 2014-07-03 | 2014-07-03 | A kind of vibrating screen mesh fast tensioning device |
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| CN (1) | CN104107803B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750196A (en) * | 2016-04-13 | 2016-07-13 | 成都西部石油装备股份有限公司 | Novel rapid compaction device of framework screen mesh of vibrating screen |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109954669B (en) * | 2017-12-14 | 2021-03-26 | 湖南中联重科混凝土机械站类设备有限公司 | Screen protection device and vibrating screen |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2631255A1 (en) * | 1988-05-16 | 1989-11-17 | Szilvasi Peter | Removable frames for sifters of the cassette or cartridge type |
| CN201669216U (en) * | 2010-04-30 | 2010-12-15 | 西安科迅机械制造有限公司 | Device for rapidly tensioning screen of vibrating screen |
| CN203002620U (en) * | 2012-12-18 | 2013-06-19 | 濮阳市中原锐实达石油设备有限公司 | Novel drilling liquid double-layer vibrating screen |
| CN203972312U (en) * | 2014-07-03 | 2014-12-03 | 成都西部石油装备有限公司 | A kind of vibrating screen mesh fast tensioning device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6669027B1 (en) * | 1999-03-19 | 2003-12-30 | Derrick Manufacturing Corporation | Vibratory screening machine and vibratory screen and screen tensioning structure |
-
2014
- 2014-07-03 CN CN201410313895.4A patent/CN104107803B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2631255A1 (en) * | 1988-05-16 | 1989-11-17 | Szilvasi Peter | Removable frames for sifters of the cassette or cartridge type |
| CN201669216U (en) * | 2010-04-30 | 2010-12-15 | 西安科迅机械制造有限公司 | Device for rapidly tensioning screen of vibrating screen |
| CN203002620U (en) * | 2012-12-18 | 2013-06-19 | 濮阳市中原锐实达石油设备有限公司 | Novel drilling liquid double-layer vibrating screen |
| CN203972312U (en) * | 2014-07-03 | 2014-12-03 | 成都西部石油装备有限公司 | A kind of vibrating screen mesh fast tensioning device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750196A (en) * | 2016-04-13 | 2016-07-13 | 成都西部石油装备股份有限公司 | Novel rapid compaction device of framework screen mesh of vibrating screen |
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| CN104107803A (en) | 2014-10-22 |
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Address after: 610100 Chengdu economic and Technological Development Zone, Liuzhou Road, Sichuan, No. 1355 Applicant after: West of Chengdu petroleum equipment limited company Address before: 610100 Sichuan city of Chengdu Province Economic and Technological Development Zone, Liuzhou Road No. 1335 Applicant before: Chengdu West Petroleum Equipment Co., Ltd. |
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