CN203599066U - Vibration screen mesh pressing device - Google Patents
Vibration screen mesh pressing device Download PDFInfo
- Publication number
- CN203599066U CN203599066U CN201320810485.1U CN201320810485U CN203599066U CN 203599066 U CN203599066 U CN 203599066U CN 201320810485 U CN201320810485 U CN 201320810485U CN 203599066 U CN203599066 U CN 203599066U
- Authority
- CN
- China
- Prior art keywords
- axle
- screen mesh
- spanner
- fluted disc
- screen cloth
- 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 - Lifetime
Links
- 238000003825 pressing Methods 0.000 title abstract description 11
- 229920002635 polyurethane Polymers 0.000 claims abstract description 14
- 239000004814 polyurethane Substances 0.000 claims abstract description 14
- 239000004744 fabric Substances 0.000 claims description 71
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Abstract
The utility model discloses a vibration screen mesh pressing device, and relates to the technical field of oil drilling equipment. The vibration screen mesh pressing device comprises a shaft, two screen mesh pressing blocks, a toothed disc and a wrench. The two screen mesh pressing blocks are fixed at both ends of the shaft and are arranged on the inner side of a screen case lateral plate, the toothed disc is fixed at one end of the shaft and is arranged on the outer side of the screen case lateral plate, the wrench is hinged to the screen case lateral plate, the wrench is matched with a tooth groove of the toothed disc, the two screen mesh pressing blocks have the same structure, each screen mesh comprises an eccentric wheel and a polyurethane shell, and the eccentric wheels are fixedly connected with the shaft. The two screen mesh pressing blocks provided with the eccentric wheels are connected with each other through the shaft, the cam mechanism theory is applied, the shaft is rotated, and meanwhile, the screen mesh pressing blocks are driven to move downwards and tightly compress both sides of a screen mesh. The shaft is fixed through the match of the wrench and the toothed disc according to the ratchet self-locking theory, so that the screen mesh pressing blocks are driven to tightly compress the screen mesh, and the screen mesh can be always compressed under a high frequency vibration environment. The vibration screen mesh pressing device is reasonable, simple and compact in structure, convenient and fast to operate, and capable of realizing quick disassembling and assembling of the screen mesh.
Description
Technical field
The utility model relates to oil-well drilling equipment technical field.
Background technology
A kind of vibratory sieve that oil drilling is used is in the time of work, use hold down gag firmly to compress screen cloth, screen cloth is synchronized with the movement with sieve box of vibrating, screening mud, screen cloth on vibratory sieve is changed generally comparatively frequent, and present screen cloth is all generally to adopt the devices such as pressing plate, bolt to be fixed on screen frame (unit), and such structure makes the installation and removal of screen cloth comparatively loaded down with trivial details, the service efficiency that has affected vibratory sieve equipment, causes a lot of inconvenience to production.
What at present, the screen cloth hold down gag of domestic vibratory sieve mainly adopted is crochet swelling device and voussoir hold down gag.Crochet swelling device uses screw-threaded coupling, uses bolt quantity many, parts complexity, and the dismounting screen cloth time is long, and working strength is large; Voussoir hold down gag need to operate directly over screen cloth, and working space is restricted, is difficult to operation, is especially not suitable for the fixing use of multilayer screen cloth.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple in structure, swift to operate, convenient, the vibration screen hold down gag of the vibrational state that operating efficiency is high, can adapt to high frequency, large amplitude.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of vibration screen hold down gag, comprise the axle being fixed on sieve box side plate, two screen cloth briquettings, fluted disc and spanners, described two screen cloth briquettings are fixed on the two ends of axle and are placed in sieve box side plate inboard, described fluted disc is fixedly installed on wherein one end of axle and is placed in sieve box side plate outside, described spanner is fixedly connected with sieve box side plate, described spanner coordinates with the teeth groove of fluted disc, described two screen cloth briquette structures are identical, each screen cloth briquetting includes eccentric wheel and polyurethane outer, and described eccentric wheel is fixedly connected with axle.
Preferably, described eccentric wheel is connected with axle key, and described eccentric wheel is arranged with steel liner plate outward, and described polyurethane outer is coated on steel liner plate outside, the similar obtuse triangle of described polyurethane outer, and the long limit of described polyurethane outer contacts with screen cloth.
Preferably, between described axle and sieve box side plate, be provided with axle sleeve, the sleeve end adjacent with fluted disc is provided with sealing ring, and two corresponding end face one sides of eccentric wheel are equipped with back-up ring, and on described axle, corresponding back-up ring position is provided with draw-in groove.
Preferably, described fluted disc is the steel plate that edge is provided with part ratchet, described spanner and click-fit.
Preferably, between described fluted disc and axle, be provided with sleeve pipe, described fluted disc is fixedly connected with sleeve pipe, and described casing pipe sleeve is contained in the end of axle, between described sleeve pipe and axle, is provided with locking nut.
Preferably, described fluted disc is provided with sleeve, is provided with intubate in sleeve.
Preferably, be provided with spanner base between described spanner and sieve box side plate, described spanner base is fixed on sieve box side plate, between described spanner and spanner base, be provided with torsion spring, described spanner base lower side is provided with boss, and described torsion spring and spanner are coaxially fixing, and described torsion spring one end is stuck on boss.
The beneficial effect that adopts technique scheme to produce is: be provided with eccentric screen cloth briquetting by axle by two and connect, use cam mechanism principle, when rotating shaft, drive screen cloth briquetting to move downward, compress screen cloth both sides; Utilize ratchet self-lock mechanism to fix axle by spanner and coordinating of fluted disc, thereby drive screen cloth briquetting that screen cloth is compressed, can under dither environment, compress all the time screen cloth; Adopt the bulk screen cloth briquetting of similar obtuse triangle, avoid the inconsistent phenomenon of pressure conduction; Spanner is stuck on spanner base by torsion spring, and spanner is most advanced and sophisticated to be engaged with fluted disc teeth groove, realizes the locking of fluted disc by the elastic force of torsion spring, intubate is inserted to convenient operation fluted disc in the sleeve of fluted disc, easily realizes the locking of screen cloth briquetting and unclamps.The utility model is rational in infrastructure, simple compact, swift to operate, convenient, can realize quick-detachment, screen cloth is installed, and screen cloth is fixed on sieve box of vibrating, can make attendant's operating process quicker, convenient, operating personnel's operating efficiency and the service efficiency of vibratory equipment are greatly improved, applicable multilayer screen cloth is fixed, and can adapt to the vibrational state of high frequency, large amplitude, has wide market prospects.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the partial sectional view of I in Fig. 2;
Fig. 4 is the structural representation of Fig. 1 under releasing orientation;
In figure: 1-sieve box side plate, 2-axle, 3-screen cloth briquetting, 4-fluted disc, 5-spanner, 6-eccentric wheel, 7-polyurethane outer, 8-steel liner plate, 9-axle sleeve, 10-sealing ring, 11-sleeve pipe, 12-locking nut, 13-sleeve, 14-intubate, 15-screen cloth, 16-key, 17-back-up ring, 18-spanner base, 19 torsion springs.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Fig. 1, a kind of vibration screen hold down gag shown in 2 and 3, comprise the axle 2 being fixed on sieve box side plate 1, two screen cloth briquettings 3, fluted disc 4 and spanner 5, described two screen cloth briquettings 3 are fixed on the two ends of axle 2 and are placed in sieve box side plate 1 inboard, described fluted disc 4 is fixedly installed on wherein one end of axle 2 and is placed in sieve box side plate 1 outside, described spanner 5 is fixed on sieve box side plate 1, described spanner 5 coordinates with the teeth groove of fluted disc 4, described two screen cloth briquetting 3 structures are identical, each screen cloth briquetting 3 includes eccentric wheel 6 and polyurethane outer 7, described eccentric wheel 6 is fixedly connected with axle 2, axle 2 is through the eccentric orfice of eccentric wheel 6.Described eccentric wheel 6 is connected by key 16 with axle 2, when maintenance, be more convenient for dismantling screen cloth briquetting 3, the outer steel liner plate 8 that is arranged with of described eccentric wheel 6, described polyurethane outer 7 is coated on steel liner plate 8 outsides, adopt the form of steel axle center, polyurethane outer, both alleviate own wt, played again the effect of Vibrant buffer; Described fluted disc 4 is provided with the steel plate of part ratchet for edge, described spanner 5 and click-fit, described fluted disc 4 is fixedly installed on sleeve pipe 11, described sleeve pipe 11 is sleeved on the end of axle 2, between described sleeve pipe 11 and axle 2, be provided with locking nut 12, utilize ratchet self-lock mechanism, spanner 5 blocks the teeth groove of fluted disc 4 ratchets, screen cloth briquetting 3 is firmly locked, fluted disc 4 is welded on sleeve pipe 11, fixing with axle 2 by locking nut 12 again on sleeve pipe 11, when convenient for maintaining, dismantle, also can avoid 4 slippages of duty lower tooth disk.
As a kind of preferred structure, between described axle 2 and sieve box side plate 1, be provided with axle sleeve 9, axle sleeve 9 ends adjacent with fluted disc 4 are provided with sealing ring 10, sealing ring 10 can prevent mud from here hole overflow, pollute screen box outer panel, two corresponding end face one sides of eccentric wheel 6 are equipped with back-up ring 17, on described axle, corresponding back-up ring 17 positions are provided with draw-in groove, axle 2 is placed in axle sleeve 9 endoporus, axle sleeve 9 is fixed on screen cloth side plate 1, can avoid changing screen cloth 15 time, axle rotates wearing and tearing screen cloth side plate 1 repeatedly, back-up ring 17 is set and can prevents screen cloth briquetting 3 axial floats, to 3 fixations of screen cloth briquetting, make simple installation, can adapt to dither environment.
As a kind of preferred structure, described fluted disc 4 is provided with sleeve 13, is provided with intubate 14 in sleeve 13, when operation, staff holds intubate 14 and is convenient to the application of force, intubate 14 is inserted in sleeve 13, then rotary fluted disc 4 just correspondingly increases the application of force arm of force, made operation lighter.
As a kind of preferred structure, between described spanner 5 and sieve box side plate 1, be provided with spanner base 18, described spanner base 18 is fixed on sieve box side plate 11, between described spanner 5 and spanner base 18, be provided with torsion spring 19, described spanner base 18 lower sides are provided with boss, and described torsion spring 19 is coaxially fixing with spanner 5, described torsion spring 19 one end are stuck on boss, in the time changing screen cloth 15, spanner 5 can rotate around hinge, and spanner 5 departs from fluted disc 4, makes fluted disc 4 upwards rotate and unclamp screen cloth 15; Change screen cloth 15 complete, fluted disc 4 rotates, and spanner 5 rotations are to engaging with ratchet teeth groove, and torsion spring 19 rotates under the drive of spanner 5, strengthens torsional moment and makes spanner 5 more securely block fluted disc 4 teeth groove, makes screen cloth briquetting 3 fixing more firm.
Specific operation process is as follows, in the time that needs are changed screen cloth 15, first pull spanner 5 and unclamp fluted disc 4, rotating intubate 14 makes fluted disc 4 be rotated counterclockwise 115 °, also rotate with co-axially fixed two the screen cloth briquettings 3 of fluted disc 4 thereupon, 6 rotation while of the eccentric wheel screen cloth briquetting 3 of two screen cloth briquettings 3 upwards lifts and unclamps screen cloth 15, screen cloth briquetting 3 14.23mm that moves up, now discarded screen cloth 15 is taken off together with screen bed base, replace with new screen cloth 15 and screen bed base, reverse operation moves down screen cloth briquetting 3 again, engage with the teeth groove of fluted disc 4 spanner 5 ends, by the twisting resistance locking fluted disc 4 of torsion spring 19, the downward power of eccentric wheel 6 is delivered on part screen cloth 15 by polyurethane outer 7, thereby compress screen cloth 15, each parts coordinate closely, locking device is reliable.
The utility model connects two screen cloth briquettings 3 that are provided with eccentric wheel 6 by axle 2, uses cam mechanism principle, when rotating shaft 2, drives screen cloth briquetting 3 to move downward, and compresses screen cloth 15 both sides; Utilize ratchet self-lock mechanism to fix axle 12 by spanner 5 and coordinating of fluted disc 4, thereby drive screen cloth briquetting 3 that screen cloth 15 is compressed, can under dither environment, compress all the time screen cloth 15; Adopt the bulk screen cloth briquetting 3 of similar obtuse triangle, avoid the inconsistent phenomenon of pressure conduction, screen cloth briquetting 3 is large with screen cloth 15 contact-making surfaces, compresses and is firmly difficult for becoming flexible, and applicable multilayer screen cloth is fixed; Spanner 5 is stuck on spanner 18 bases by torsion spring 19, spanner 5 is most advanced and sophisticated to be engaged with fluted disc 4 teeth groove, realize the locking of fluted disc 4 by the elastic force of torsion spring 19, intubate 14 is inserted and in the sleeve 13 of fluted disc 4, be convenient to increase the application of force arm of force and make the operation of fluted disc 4 lighter, easily realize the locking of screen cloth briquetting 3 and unclamp.The utility model is rational in infrastructure, simple compact, swift to operate, convenient, can realize quick-detachment, screen cloth is installed, and screen cloth 15 is fixed on sieve box of vibrating, can make attendant's operating process quicker, convenient, greatly improve operating personnel's operating efficiency and the service efficiency of vibratory equipment, can adapt to the vibrational state of high frequency, large amplitude, there are wide market prospects.
Claims (7)
1. a vibration screen hold down gag, it is characterized in that: comprise the axle (2) being fixed on sieve box side plate (1), two screen cloth briquettings (3), fluted disc (4) and spanner (5), described two screen cloth briquettings (3) are fixed on the two ends of axle (2) and are placed in sieve box side plate (1) inboard, described fluted disc (4) is fixedly installed on wherein one end of axle (2) and is placed in sieve box side plate (1) outside, described spanner (5) is fixedly connected with sieve box side plate (1), described spanner (5) coordinates with the teeth groove of fluted disc (4), described two screen cloth briquettings (3) structure is identical, each screen cloth briquetting (3) includes eccentric wheel (6) and polyurethane outer (7), described eccentric wheel (6) is fixedly connected with axle (2).
2. vibration screen hold down gag according to claim 1, it is characterized in that: described eccentric wheel (6) is connected with axle (2) key, the outer steel liner plate (8) that is arranged with of described eccentric wheel (6), described polyurethane outer (7) is coated on steel liner plate (8) outside, the similar obtuse triangle of described polyurethane outer (7), the long limit of described polyurethane outer (7) contacts with screen cloth (15).
3. vibration screen hold down gag according to claim 1, it is characterized in that: between described axle (2) and sieve box side plate (1), be provided with axle sleeve (9), axle sleeve (9) end adjacent with fluted disc (4) is provided with sealing ring (10), corresponding end face one side of two eccentric wheels (6) is equipped with back-up ring (17), and on described axle, corresponding back-up ring (17) position is provided with draw-in groove.
4. vibration screen hold down gag according to claim 1, is characterized in that: described fluted disc (4) is provided with the steel plate of part ratchet, described spanner (5) and click-fit for edge.
5. vibration screen hold down gag according to claim 1, it is characterized in that: between described fluted disc (4) and axle (2), be provided with sleeve pipe (11), described fluted disc (4) is fixedly connected with sleeve pipe (11), described sleeve pipe (11) is sleeved on the end of axle (2), between described sleeve pipe (11) and axle (2), is provided with locking nut (12).
6. vibration screen hold down gag according to claim 1, is characterized in that: described fluted disc (4) is provided with sleeve (13), is provided with intubate (14) in sleeve (13).
7. vibration screen hold down gag according to claim 1, it is characterized in that: between described spanner (5) and sieve box side plate (1), be provided with spanner base (18), described spanner base (18) is fixed on sieve box side plate (11), between described spanner (5) and spanner base (18), be provided with torsion spring (19), described spanner base (18) lower side is provided with boss, described torsion spring (19) is coaxially fixing with spanner (5), and described torsion spring (19) one end is stuck on boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320810485.1U CN203599066U (en) | 2013-12-11 | 2013-12-11 | Vibration screen mesh pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320810485.1U CN203599066U (en) | 2013-12-11 | 2013-12-11 | Vibration screen mesh pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203599066U true CN203599066U (en) | 2014-05-21 |
Family
ID=50711767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320810485.1U Expired - Lifetime CN203599066U (en) | 2013-12-11 | 2013-12-11 | Vibration screen mesh pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203599066U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536975A (en) * | 2016-03-01 | 2016-05-04 | 冯德宽 | Locking device for filter screen of automatic potato-type residue pulp separator |
| 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 |
| CN110877009A (en) * | 2019-11-29 | 2020-03-13 | 甘肃隆丰祥种业有限公司 | Quick detach formula screen assembly |
| CN112108363A (en) * | 2014-12-23 | 2020-12-22 | 德里克公司 | Systems, devices, and methods of securing screen assemblies |
| CN113546842A (en) * | 2021-07-31 | 2021-10-26 | 江苏法斯特机械有限公司 | Drawer type rotary classifying screen |
| CN116586292A (en) * | 2023-05-29 | 2023-08-15 | 河北冠能石油机械制造有限公司 | Vibrating screen material device |
| CN117599498A (en) * | 2024-01-24 | 2024-02-27 | 临汾市埠瑞联特煤机有限公司 | Mounting and fixing mechanism and method for mining vibrating screen type solid-liquid separator |
-
2013
- 2013-12-11 CN CN201320810485.1U patent/CN203599066U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112108363A (en) * | 2014-12-23 | 2020-12-22 | 德里克公司 | Systems, devices, and methods of securing screen assemblies |
| CN112191515A (en) * | 2014-12-23 | 2021-01-08 | 德里克公司 | Systems, devices, and methods of securing screen assemblies |
| US11185890B2 (en) | 2014-12-23 | 2021-11-30 | Derrick Corporation | Systems, apparatuses, and methods for securing screen assemblies |
| CN112108363B (en) * | 2014-12-23 | 2023-01-13 | 德里克公司 | Systems, devices, and methods of securing screen assemblies |
| CN105536975A (en) * | 2016-03-01 | 2016-05-04 | 冯德宽 | Locking device for filter screen of automatic potato-type residue pulp separator |
| 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 |
| CN110877009A (en) * | 2019-11-29 | 2020-03-13 | 甘肃隆丰祥种业有限公司 | Quick detach formula screen assembly |
| CN113546842A (en) * | 2021-07-31 | 2021-10-26 | 江苏法斯特机械有限公司 | Drawer type rotary classifying screen |
| CN116586292A (en) * | 2023-05-29 | 2023-08-15 | 河北冠能石油机械制造有限公司 | Vibrating screen material device |
| CN116586292B (en) * | 2023-05-29 | 2023-11-17 | 河北冠能石油机械制造有限公司 | Vibrating screen material device |
| CN117599498A (en) * | 2024-01-24 | 2024-02-27 | 临汾市埠瑞联特煤机有限公司 | Mounting and fixing mechanism and method for mining vibrating screen type solid-liquid separator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |
|
| CX01 | Expiry of patent term |