CN107789877B - Vibrating screen driven by eccentric wheel mechanism - Google Patents
Vibrating screen driven by eccentric wheel mechanism Download PDFInfo
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- CN107789877B CN107789877B CN201711211641.1A CN201711211641A CN107789877B CN 107789877 B CN107789877 B CN 107789877B CN 201711211641 A CN201711211641 A CN 201711211641A CN 107789877 B CN107789877 B CN 107789877B
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- eccentric wheel
- screen
- guide rail
- vibrating screen
- connecting rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/801—Driving means, shaft packing systems or the like
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention relates to a vibrating screen driven by an eccentric wheel mechanism, which mainly comprises a screen box, a connecting block, guide rail rollers, a spring support, a base, a screen frame, a hinge, an eccentric wheel mechanism and the like. Wherein, eccentric wheel mechanism passes through hinged joint on the connecting block that links firmly with the screen box outside, and the screen cloth frame is installed in the screen box inboard, and spring bracket is installed in two outsides of screen box, and the screen box passes through the guide rail gyro wheel and links to each other with the guide rail seat, and guide rail seat fixed connection is on the base. When the vibrating screen works, the screen box and the part fixed together are used as a whole to do vibrating motion, the motor drives the eccentric wheel to enable the vibrating screen to do linear reciprocating motion, and the vibrating screen can obtain the linear track inclination required by working by adjusting the installation angle of the guide rail roller. Compared with the traditional vibrating screen, the vibrating screen driven by the eccentric wheel mechanism has the advantages of greatly reduced mass, simple structure, low cost, low power consumption and convenient maintenance.
Description
Technical Field
The invention relates to the technical field of petroleum drilling equipment, in particular to a vibrating screen driven by an eccentric wheel.
Background
The working principle of the existing drilling fluid vibrating screen is that the whole screen frame and the screen mesh are vibrated to make circular, linear, elliptic and other tracks together by the inertial exciting force of an exciting motor or an eccentric shaft arranged on a screen box, so that the drilling fluid passing through the screen surface is subjected to solid-liquid separation. In recent years, due to the rapid development of petroleum drilling technology, the requirements on the drilling vibrating screen are also higher and higher, and the high-efficiency energy-saving vibrating screen has the advantages of long service life of the screen, safety, reliability, small size and light weight, and is the development direction of the vibrating screen nowadays. The vibration excitation motor or the eccentric shaft of the conventional drilling fluid vibrating screen installed on the screen frame is required to vibrate along with the screen box, and the vibration excitation motor, the motor seat installed on the vibration excitation motor or the eccentric shaft and the vibration reference mass of the bearing seat installed on the eccentric shaft account for 40-50% of the vibration reference mass of the vibrating screen. Along with the increase of the exciting force required by the vibrating screen, the power consumption of the motor is high, and the inertia of the vibrating screen is relatively large due to the large mass, so that when the vibration frequency is high, the screen frame and the connecting parts thereof are easy to damage, and the service life of the vibrating screen is reduced. In order to overcome the defects of large vibration mass, high energy consumption and the like of the conventional drilling fluid vibrating screen, the vibrating screen driven by the eccentric wheel mechanism is particularly provided.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a vibrating screen driven by an eccentric wheel mechanism, which optimizes a screen frame structure so as to solve the defects of high vibration-taking quality, high energy consumption and the like of the conventional drilling fluid vibrating screen.
In order to achieve the above purpose, the following technical scheme is adopted.
The invention relates to a vibrating screen driven by an eccentric wheel mechanism, which mainly comprises a screen box, a connecting block, a guide rail seat, rollers, guide rails, a roller shaft, a spring support, an elastic threaded column, a spring fixing sleeve, a base, a screen frame, a hinge, an eccentric wheel connecting rod, a connecting rod guide sleeve, an eccentric wheel shaft, a motor and the like. The motor seat is fixed on the vibrating screen base by welding or bolting; one end of the eccentric wheel shaft is connected with a large belt wheel, and is connected with a motor through belt transmission, one end of the eccentric wheel shaft is connected with an eccentric wheel, and the eccentric wheel is arranged in the middle frame of the eccentric wheel connecting rod; the eccentric wheel connecting rod is arranged in a connecting rod guide sleeve fixedly connected with the base at a certain inclination angle, one end of the eccentric wheel connecting rod is connected with a connecting block through a hinge structure, and the connecting block is welded at the outer side of the screen box; the screen box is supported on the base by a damping spring and is connected with the guide rail seat through guide rail rollers; one end of a roller shaft of the guide rail roller is fixed on the outer side of the screen box, the other end of the roller shaft of the guide rail roller is connected with the roller through a bearing, the roller is arranged in the guide rail, the guide rail is fixedly connected with a horizontal plane on a guide rail seat at a certain angle, and the guide rail seat is fixedly connected with the base.
The vibrating screen driven by the eccentric wheel mechanism is characterized in that an eccentric wheel connecting rod is connected to the outer side of a screen box through a hinge, when a motor works, power is transmitted to an eccentric wheel shaft through belt transmission, the eccentric wheel shaft drives an eccentric wheel to rotate, the eccentric wheel rotates to enable the eccentric wheel connecting rod to do linear reciprocating motion, and the eccentric wheel connecting rod drives the screen box to do linear reciprocating motion; in the whole process, the circular motion of the motor is converted into the linear reciprocating motion of the screen box of the vibrating screen through the eccentric wheel mechanism.
A vibrating screen driven by an eccentric wheel mechanism, a connecting rod guide sleeve connects an eccentric wheel connecting rod on a base through a bolt, so that the eccentric wheel connecting rod is connected with the base through a sliding block, the connecting rod can be prevented from shifting during movement, and meanwhile, the vibrating screen can be prevented from being blocked by the front-back shifting of the vibrating screen caused by the non-uniformity of material transportation during the operation of the vibrating screen through hinged connection.
The vibrating screen driven by the eccentric wheel mechanism is characterized in that guide rail rollers are arranged on a guide rail seat at a certain angle with a horizontal plane according to requirements, and the rollers connected with roller shafts through bearings are arranged in the guide rails; when the eccentric wheel drives the connecting rod to make the vibrating screen vibrate, the vibrating screen rolls along the track in the guide rail through the roller to obtain linear track motion, and meanwhile, the installation included angle of the guide rail can be adjusted according to the conveying speed and the screening efficiency which are required to be obtained under specific conditions, and the guide rail roller can also prevent the clamping and the like during guiding.
The screen box of the vibrating screen driven by the eccentric wheel mechanism is n-shaped, so that the screen frame, the eccentric wheel mechanism and the like can vibrate as a whole, and meanwhile, splashing of drilling fluid in the screening and conveying processes can be effectively prevented.
A vibrating screen driven by an eccentric wheel mechanism, a motor is arranged on a vibrating screen base through a motor seat, when the vibrating screen works, the motor transmits power to an eccentric wheel through belt transmission to drive a screen box to vibrate, and in the whole working process, the motor and the motor seat do not participate in vibration, so that the vibration reference quality of the vibrating screen is greatly reduced.
The invention has the advantages that: (1) The vibration-taking quality is small, and under the condition of the same processing capacity and vibration intensity, the motor power can be greatly reduced, and the energy consumption is reduced. (2) Compared with the traditional vibrating screen, the structure is simpler and more compact, the occupied space is smaller, and the maintenance is simpler and more convenient. (3) The flexibility of guide rail pulley installation makes the shale shaker can adjust the straight line orbit inclination of shale shaker according to the required condition, changes screening efficiency, screening throughput, and the flexibility is high, adaptability is strong.
Drawings
Fig. 1 is a front view of a vibrating screen driven by an eccentric mechanism of the present invention.
Fig. 2 is a top view of a vibrating screen driven by an eccentric mechanism of the present invention.
Fig. 3 is a right side view of a vibrating screen driven by an eccentric mechanism of the present invention.
Fig. 4 is a schematic view of the installation of the eccentric mechanism of the present invention.
Fig. 5 is a schematic view of the structure of the guide rail roller of the present invention.
In the figure, 1, a screen box, 2, a connecting block, 3, a guide rail seat, 4, a roller, 5, a guide rail, 6, a roller shaft, 7, a spring support, 8, an elastic threaded column, 9, a spring fixing sleeve, 10, a base, 11, a screen frame, 12, a hinge, 13, an eccentric wheel connecting rod, 14, a connecting rod guide sleeve, 15, an eccentric wheel, 16, an eccentric wheel shaft, 17, a large belt pulley, 18, a small belt pulley, 19, a belt and 20, and a motor.
Detailed Description
The invention is further described below with reference to the drawings.
Referring to figures 1-5, the vibrating screen driven by the eccentric wheel mechanism mainly comprises a screen box (1), a connecting block (2), a guide rail seat (3), rollers (4), a guide rail (5), a roller shaft (6), a spring support (7), an elastic threaded column (8), a spring fixing sleeve (9), a base (10), a screen frame (11), a hinge (12), an eccentric wheel connecting rod (13), a connecting rod guide sleeve (14), an eccentric wheel (15), an eccentric wheel shaft (16), a motor (20) and the like. The motor base is fixed on the base (10) by welding or bolting; the motor (20) is arranged on the motor seat and is connected with the eccentric wheel shaft (16) through belt transmission, and the other end of the eccentric wheel shaft (16) is connected with the eccentric wheel (15); the eccentric wheel (15) is arranged in the middle frame of the eccentric wheel connecting rod (13), the eccentric wheel connecting rod (13) is arranged in a connecting rod guide sleeve (14) fixedly connected with the base (10) at a certain inclination angle, one end of the eccentric wheel connecting rod is rotationally connected with the connecting block (2) at a certain angle through a hinge (12), the connecting block (2) is welded at the outer side of the screen box (1), and the eccentric wheel connecting rod (15) can slide in the guide sleeve; the outer sides of the two ends of the screen frame (10) are welded and fixed on the inner side of the screen box (1), and the distance between the screen frame and the cover plate of the screen box (1) is about 20-30 cm; the screen box (1) is supported on a base (10) by a damping spring, and the damping spring seat is composed of a spring support (7), an elastic threaded column (8) and a spring fixing sleeve (9); the screen box (1) is connected with the guide rail seat (3) through guide rail rollers, one end of a roller shaft (6) of the guide rail pulley is fixed at the outer side of the screen box (1), the other end of the roller shaft is connected with the roller (4) through a bearing, and the roller (4) is arranged in the guide rail (5); the four guide rail pulley structures are symmetrically arranged at four corners of the screen box (1) respectively; the guide rail (5) is fixedly connected to the guide rail seat (3) at a certain angle with the horizontal plane, and the guide rail seat (3) is fixedly connected with the base (10); when the motor (20) rotates, the screen box (1), the screen frame (11), the guide rail rollers (4, 6), the eccentric wheel (15) and the like perform vibration motion as a whole.
The vibrating screen driven by the eccentric wheel mechanism is characterized in that an eccentric wheel connecting rod (13) is connected to a connecting block (2) at the outer side of a screen box (1) through a hinge (12), an eccentric wheel (15) is arranged in a middle frame of the eccentric wheel connecting rod (13) and is contacted with the two inner sides of the frame, when a motor (20) works, power is transmitted to an eccentric wheel shaft (16) through belt transmission, the eccentric wheel shaft (16) drives the eccentric wheel (15) to rotate, the eccentric wheel (15) rotates to enable the eccentric wheel connecting rod (13) to do linear reciprocating motion, and the eccentric wheel connecting rod (13) drives the screen box (1), a screen frame (11) and the like to do linear reciprocating motion; in the whole process, the eccentric wheel (15) converts the circular motion of the motor (20) into the linear reciprocating motion of the vibrating screen, so that the purpose of screening materials by the vibrating screen is achieved.
A eccentric wheel mechanism driven shale shaker, eccentric wheel connecting rod (13) rotate through hinge (12) and screen box (1) outside connecting block (2) and be connected, connecting rod uide bushing (14) pass through bolt fastening on base (10), connect eccentric wheel connecting rod (13) in uide bushing (14) inboard, can prevent that connecting rod (13) from shifting when the motion, make eccentric wheel connecting rod (13) can drive screen box (1) vibration in safe steady relative slip between base (10), uide bushing (14), hinge (12) are connected simultaneously and can also prevent that the shale shaker during operation from leading to the shale shaker skew to make shale shaker and eccentric wheel connecting rod (13) card dead because of the unevenness of material transportation.
The vibrating screen driven by the eccentric wheel mechanism is characterized in that a guide rail (5) is arranged on a guide rail seat (2) at a certain angle with a horizontal plane, a roller (4) is connected with the outer side of a screen box (1), and the roller (4) connected with a roller shaft (6) through a bearing is arranged in the guide rail (5). When the eccentric wheel (15) drives the connecting rod (13) to vibrate the vibrating screen, the idler wheel (4) rolls in the guide rail (5) to play a guiding role on the vibrating screen, so that stable linear track motion is obtained, meanwhile, the inclination of the linear track of the vibrating screen during working can be changed according to the conveying speed and the screening efficiency which are required to be obtained under specific conditions, and the guide rail idler wheel mechanism (4, 5 and 6) is used for effectively preventing the clamping of the guide rail sliding block during guiding.
A vibrating screen driven by an eccentric wheel mechanism is characterized in that a screen box (1) is n-shaped in front view, a screen frame (11), an eccentric wheel connecting rod (13), a spring support (6) and the like are fixed on the n-shaped screen box (1), so that the vibrating screen is vibrated as a whole, and meanwhile splashing of drilling fluid in the screening and conveying processes can be effectively prevented.
The vibrating screen driven by the eccentric wheel mechanism is characterized in that a motor (20) is arranged on a vibrating screen base (10) through a motor seat, when the vibrating screen works, the motor (20) transmits power to the eccentric wheel (15) through belt transmission (17, 18 and 19) to drive the screen box (1) to vibrate, and in the whole working process, the motor (20) and the motor seat do not participate in vibration, so that the vibration reference quality of the vibrating screen is greatly reduced.
Claims (6)
1. The utility model provides an eccentric wheel mechanism driven shale shaker, mainly comprises sieve case (1), connecting block (2), guide rail seat (3), gyro wheel (4), guide rail (5), roller shaft (6), spring support (7), elastic thread post (8), spring fixed cover (9), base (10), screen frame (11), hinge (12), eccentric wheel connecting rod (13), connecting rod uide bushing (14), eccentric wheel (15), eccentric shaft (16), motor (20) etc. its characterized in that: the eccentric wheel shaft (16) is fixedly connected with the eccentric wheel (15), the eccentric wheel (15) is arranged in the middle frame of the eccentric wheel connecting rod (13), the eccentric wheel connecting rod (13) is arranged in the connecting rod guide sleeve (14), and the connecting rod guide sleeve (14) is fixed on the base (10) through bolts, so that the eccentric wheel connecting rod (13) can slide along the track in the guide sleeve (14); the eccentric wheel connecting rod (13) is connected below the connecting block (2) at the outer side of the screen box (1) through a hinge (12); the screen frame (11) is fixed at the inner side of the screen box (1); one end of a roller shaft (6) is fixedly connected to the outer side of the screen box (1), the other end of the roller shaft is connected with the roller (4) through a bearing, the roller (4) is arranged in a guide rail (5), the guide rail (5) is fixedly arranged on a guide rail seat (3), and the guide rail seat (3) is fixed on a base (10); the spring support (7) is fixedly connected to the outer side of the screen box (1).
2. The eccentric mechanism driven vibrating screen as recited in claim 1, wherein: the vibrating screen motor transmits power to the vibrating screen through the eccentric wheel mechanism, the eccentric wheel connecting rod (13) is installed on the connecting block (2) on the outer side of the screen box (1) through the hinge (12) according to a certain angle, the eccentric wheel (15) is driven by the motor (20) to convert circular motion into linear motion to act on the screen box (1), and the screen frame (11) and the screen box (1) do linear reciprocating motion.
3. The eccentric mechanism driven vibrating screen as recited in claim 1, wherein: the eccentric wheel connecting rod (13) connected with the hinge (12) and the screen box (1) can automatically adjust corresponding angles according to working conditions of the vibrating screen during working, and the clamping is prevented.
4. The eccentric mechanism driven vibrating screen as recited in claim 1, wherein: the guide rail (5) of the guide rail roller is arranged on the guide rail seat (3) according to a required angle, the roller shaft (6) is fixedly arranged on the outer side of the screen box (1), and the roller (4) is connected to the roller shaft (6) through a bearing to guide the linear track of the vibrating screen.
5. The eccentric mechanism driven vibrating screen as recited in claim 1, wherein: the screen box (1) is n-shaped, can take part in vibration of the screen frame (11) and the like as a whole, and can prevent mud from splashing before and after screening.
6. The eccentric mechanism driven vibrating screen as recited in claim 1, wherein: the motor (20) is arranged on the vibrating screen base (10) and does not participate in screening vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711211641.1A CN107789877B (en) | 2017-11-28 | 2017-11-28 | Vibrating screen driven by eccentric wheel mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711211641.1A CN107789877B (en) | 2017-11-28 | 2017-11-28 | Vibrating screen driven by eccentric wheel mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN107789877A CN107789877A (en) | 2018-03-13 |
| CN107789877B true CN107789877B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711211641.1A Active CN107789877B (en) | 2017-11-28 | 2017-11-28 | Vibrating screen driven by eccentric wheel mechanism |
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