CN104107803A - Rapid tensioning device of screen cloth of vibrating screen - Google Patents
Rapid tensioning device of screen cloth of vibrating screen Download PDFInfo
- Publication number
- CN104107803A CN104107803A CN201410313895.4A CN201410313895A CN104107803A CN 104107803 A CN104107803 A CN 104107803A CN 201410313895 A CN201410313895 A CN 201410313895A CN 104107803 A CN104107803 A CN 104107803A
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- China
- Prior art keywords
- tensioning
- swivel head
- edge cam
- screen cloth
- cover
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Abstract
The invention discloses a rapid tensioning device of screen cloth of a vibrating screen. The rapid tensioning device comprises a tensioning bolt (1), an end face cam (2), a stress sleeve (3), a rotary head (4), a flat washer (15), an adjusting nut (12) and a locking nut (13). The rotary head (4) is rotated to adjust the axial position of the tensioning bolt (1), so that the screen cloth (20) is tensioned and released. The rapid tensioning device has the advantages of being compact in structure and high in tensioning efficiency of the screen cloth of the vibrating screen, and reducing labor amount of workers.
Description
Technical field
The present invention relates to the technical field, particularly a kind of vibrating screen mesh fast tensioning device of the tensioning of vibrating screen mesh for oil drilling.
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, that particularly in oil drilling industry, uses is extremely frequent, in petroleum drilling operation, vibrating screen mesh is mainly used in removing landwaste and other harmful solid phase particles of drilling fluid, requires vibrating screen mesh to have larger treating capacity on the one hand, the solid phase particles in energy removing drilling fluid as much as possible; Require on the other hand continuous renewal and the development of vibrating screen mesh.Experimental results demonstrate after vibrating screen mesh is tensioned, to there is the performance of good processing landwaste, extend the service life of vibrating screen mesh.
The vibrating screen mesh great majority that oil field drilling, well workover are used at present all adopt crochet screen cloth, fixing common 4 screws of fixing in the two sides of vibrating screen mesh of tensioning of crochet screen cloth, the tensioning to vibrating screen mesh by pressing plate again, yet, with bolt, fixing a screen cloth approximately needs 30 minutes, and this has increased workman's labour intensity intensity beyond doubt, has wasted labour, seriously reduce the production efficiency of vibrating screen mesh, be difficult to meet the market that vibrating screen mesh demand is large.In addition, the method for this tensioning vibrating screen mesh makes the large and vibrating screen mesh discontinuity of the distortion of crochet of pressing plate and vibrating screen mesh, thus the service life of having reduced vibrating screen mesh.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art, the vibrating screen mesh fast tensioning device that provide a kind of compact conformation, save workman's amount of labour, 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, in the endoporus of rotation headgear, the elastic spring to stressed cover screens is also installed, prevent from from hole, coming off when releasing orientation, on edge cam end face outward flange, be symmetrically arranged with two curved surfaces, described swivel head is symmetrically arranged with two paws that match with described curved surface, paw is pressed in respectively on corresponding curved surface, edge cam is installed on screen box, the rearward end of tensioning bolt connects screen cloth, adjusting nut is screwed into appropriate location it is also tight with locking nut, when rotating swivel head, acting in conjunction lower stress cover at swivel head and pilot hole moves vertically, do not rotate, thereby drive tensioning bolt to move back and forth, realization is to the tensioning of screen cloth and unclamp.
Edge cam bottom is provided with hook, and the mounting means of this device, for the hook of edge cam bottom is hung on the inclined-plane mount pad in screen box outside, limits the free degree of its rotation, coordinates tensioning bolt to its axial location.
On edge cam end face outward flange, be 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 form, spiral camber I has compared with coarse pitch, spiral camber II has compared with fine pitch, the needs that meet so the actual tensioning technique of screen cloth, paw is when spiral camber I is 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 screen cloth is carried out to further contraposition, finally be threaded to tensioning plan-position.
Described pilot hole is just interior hexagonal prism hole, and one end of stressed cover is just outer hexagonal prism, and just outer hexagonal prism is placed in the just interior hexagonal prism hole of edge cam, stressed being enclosed within when swivel head rotates is only moved axially, to guarantee the dislocation of tensioning double-screw bolt non-angular.
The invention has the beneficial effects as follows: realized the quick tensioning of vibrating screen mesh, thereby operated very simple, the to have saved workman amount of labour, the tensioning efficiency that has improved 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 work schematic 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, 8-spiral camber II, the spacing bank of 9-, the outer hexagonal prism of 10-, 11-paw, 12-adjusting nut, 13-locking nut, 14-hook, 15-plain washer, 16-elastic spring, 17-circular fin, 18-curved surface, 19-screen box, 20-screen cloth, the pre-tensioner plane of 21-.
The specific embodiment
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 centers, 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 on tensioning bolt 1 and the other end of stressed cover 3 is assemblied in the endoporus of swivel head 4 covers, this end of stressed cover 3 is provided with circular fin 17, the endoporus of swivel head 4 covers supports the step surface of circular fin 17 while being provided with tensioning state, in the endoporus of swivel head 4 covers, the elastic spring 16 to stressed cover 3 screens is also installed, prevent from from hole, coming off when releasing orientation, on edge cam 2 end face outward flanges, be symmetrically arranged with two curved surfaces 18, described swivel head 4 is symmetrically arranged with two paws 11 that match with described curved surface 18, paw 11 is pressed in respectively on corresponding curved surface 18, 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 is screwed into appropriate location it is also tight with locking nut 13, when rotating swivel head 4, acting in conjunction lower stress cover 3 at swivel head 4 and pilot hole 6 moves vertically, do not rotate, thereby drive tensioning bolt 1 to move back and forth, realization is to the tensioning of screen cloth 20 and unclamp.
Edge cam 2 bottoms are provided with hook 14, and the mounting means of this device, for the hook 14 of edge cam 2 bottoms is hung on the inclined-plane mount pad 5 in screen box 19 outsides, limits the free degree of its rotation, coordinate tensioning bolt 1 to its axial location.
On edge cam 2 end face outward flanges, be 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 compared with coarse pitch, spiral camber II8 has compared with fine pitch, the needs that meet so the actual tensioning technique of screen cloth 20, paw 11 is when spiral camber I7 is 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 of swivel head 4 11 is gone to pre-tensioner plane 21 positions, then screen cloth 20 is carried out to further contraposition, 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, and stressed cover 3 is only moved axially when swivel head 4 rotates, to guarantee the dislocation of tensioning double-screw bolt non-angular.
The present invention has realized the quick tensioning of vibrating screen mesh 20, thereby operates very simple, the to have saved workman amount of labour, the tensioning efficiency that has improved 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) cover, in the endoporus of swivel head (4) cover, the elastic spring (16) to stressed cover (3) screens is also installed, prevent from from hole, coming off when releasing orientation, on edge cam (2) end face outward flange, be symmetrically arranged with two curved surfaces (18), described swivel head (4) is symmetrically arranged with two paws (11) that match with described curved surface (18), paw (11) is pressed in respectively on corresponding curved surface (18), edge cam (2) is installed on screen box (19), the rearward end of tensioning bolt (1) connects screen cloth (20), adjusting nut (12) is screwed into appropriate location it is also tight with locking nut (13), when rotating swivel head (4), acting in conjunction lower stress cover (3) at swivel head (4) and pilot hole (6) moves vertically, do not rotate, thereby 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: on edge cam (2) end face outward flange, be 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) form, spiral camber I(7) have compared with coarse pitch, spiral camber II(8) have compared with fine pitch, paw (11) is in spiral camber I(7) when 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 of swivel head (4) (11) is gone to pre-tensioner plane (21) position, then screen cloth (20) is carried out to further contraposition, 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) when rotating, swivel head (4) is only moved axially, to guarantee the dislocation of tensioning double-screw bolt non-angular.
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 for being hung on the hook (14) of edge cam (2) bottom on the inclined-plane mount pad (5) in screen box (19) outside, limit the free degree of its rotation, 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 |
|---|---|
| CN104107803A true CN104107803A (en) | 2014-10-22 |
| CN104107803B CN104107803B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
|---|---|---|---|---|
| CN109954669A (en) * | 2017-12-14 | 2019-07-02 | 湖南中联重科混凝土机械站类设备有限公司 | Sieve protective device and vibrating screen |
Families Citing this family (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 |
Citations (5)
| 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 |
| US20040195155A1 (en) * | 1999-03-19 | 2004-10-07 | Derrick Manufacturing Corporation | Vibratory screening machine and vibratory screen and screen tensioning structure |
| 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 |
-
2014
- 2014-07-03 CN CN201410313895.4A patent/CN104107803B/en active Active
Patent Citations (5)
| 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 |
| US20040195155A1 (en) * | 1999-03-19 | 2004-10-07 | Derrick Manufacturing Corporation | Vibratory screening machine and vibratory screen and screen tensioning structure |
| 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 |
|---|---|---|---|---|
| CN109954669A (en) * | 2017-12-14 | 2019-07-02 | 湖南中联重科混凝土机械站类设备有限公司 | Sieve protective device and vibrating screen |
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| Publication number | Publication date |
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| CN104107803B (en) | 2016-01-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
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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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |