CN112943842A - Magnetic connection magnetorheological fluid impact bucket tooth - Google Patents
Magnetic connection magnetorheological fluid impact bucket tooth Download PDFInfo
- Publication number
- CN112943842A CN112943842A CN202110130980.7A CN202110130980A CN112943842A CN 112943842 A CN112943842 A CN 112943842A CN 202110130980 A CN202110130980 A CN 202110130980A CN 112943842 A CN112943842 A CN 112943842A
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- Prior art keywords
- tooth
- connecting key
- fixedly connected
- key
- bucket tooth
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
- E02F9/2816—Mountings therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2883—Wear elements for buckets or implements in general
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to the technical field of bucket teeth and discloses a magnetic connection magnetorheological fluid impact bucket tooth which comprises a tooth shell, wherein a connecting key is fixedly and movably connected to the inner wall of the tooth shell, the top of the connecting key is fixedly connected with a first electromagnet, starting grooves are formed in two sides of the connecting key, the top of each starting groove is fixedly connected with a first spring, the bottom of each first spring is fixedly connected with a starting block, clamping grooves are formed in two sides of the connecting key, the top of each clamping groove is fixedly connected with a second spring, and the bottom of each second spring is fixedly connected with a clamping block. This magnetic connection magnetorheological suspensions strikes bucket tooth, laminates with the tooth key each other through the connecting key, extrudees the start block, the internal circuit of control connecting key for an electro-magnet circular telegram produces magnetic field, and electro-magnet one and permanent magnet two attract each other because of opposite face magnetism, make connecting key and the inseparable actuation of tooth key, accomplish the installation of bucket tooth, compare with ordinary bucket tooth installation, need not strike with the help of outside instrument, and is easy to assemble, reduces the damage that causes for the bucket tooth during the installation simultaneously.
Description
Technical Field
The invention relates to the technical field of bucket teeth, in particular to a magnetic connection magnetorheological fluid impact bucket tooth.
Background
The excavator, the loader and the mining machine in the field of engineering machinery and mining machinery perform excavation or transshipment operation by using the bucket, the bucket plays a role in cutting materials and loading the materials, one of the most important parts is the bucket tooth, the inconvenient installation condition often occurs in the installation process of the bucket tooth, and meanwhile, in the excavation process, the bucket tooth can cause abrasion due to overlarge external force, so that the service life of the bucket tooth is influenced.
Ordinary bucket tooth generally adopts the pin connection, because use the pin connection to need set up the perforating hole on prong and toothholder, the hole is by outer inside, will destroy the surface structure of prong like this, cause the intensity reduction of prong, use the pin connection to strike with the help of external instrument moreover, it is extremely inconvenient to make the installation and dismantle, when the great condition of contact stress, because ordinary bucket tooth is rigid connection, lead to bucket tooth reaction time short, the impact force is big, easily make the bucket tooth wearing and tearing, be unfavorable for user's use.
Therefore, we propose a magnetically coupled magnetorheological fluid impact bucket tooth to solve the above problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a magnetic connection magnetorheological fluid impact bucket tooth which has the advantages of being convenient to install and disassemble through magnetic connection, provided with a delay impact device and capable of reducing abrasion of the bucket tooth, and solves the problems that a common bucket tooth is inconvenient to install and easy to abrade.
(II) technical scheme
In order to realize the purposes of magnetic connection, convenient installation and disassembly, and the device with a delay impact device for reducing the abrasion of bucket teeth, the invention provides the following technical scheme: a magnetic connection magnetorheological fluid impact bucket tooth comprises a tooth shell, wherein a connecting key is fixedly and movably connected to the inner wall of the tooth shell, a first electromagnet is fixedly connected to the top of the connecting key, starting grooves are formed in two sides of the connecting key, a first spring is fixedly connected to the top of each starting groove, a starting block is fixedly connected to the bottom of each first spring, clamping grooves are formed in two sides of the connecting key, a second spring is fixedly connected to the top of each clamping groove, a clamping block is fixedly connected to the bottom of each second spring, a first permanent magnet is fixedly connected to the inside of each clamping block, a tooth key is movably connected to the top of each connecting key, a second permanent magnet is fixedly connected to the top of each tooth key, a second electromagnet is formed in two sides of each tooth key, a movable groove is formed in the top of the tooth shell, a third spring is fixedly connected to the bottom, the outside of the connecting rod is sleeved with a damping fin.
Preferably, the tooth shell is made of metal materials, and the surface of the tooth shell is provided with an anti-rust coating, so that the service performance of the product is enhanced, the tooth shell is protected from being oxidized by external substances, and the service life of the product is prolonged.
Preferably, the connecting key is made of metal materials, the diameter of the connecting key is smaller than that of the movable groove, the strength of the connecting key is enhanced, the connecting key and the tooth shell are convenient to mount, and the connecting key can move up and down in the movable groove.
Preferably, the starting block comprises a support rod, a moving block and a contact, when the connecting key is tightly attached to the toothed key, the support rod is squeezed to drive the moving block and the contact to move downwards, so that the contact is connected with the contact piece at the bottom of the starting groove, and the circuit inside the connecting key is controlled.
Preferably, the opposite surfaces of the first electromagnet and the second permanent magnet are opposite in magnetism, when the first electromagnet is electrified, the first electromagnet generates a magnetic field, and the first electromagnet and the second permanent magnet attract each other due to the opposite surfaces in magnetism, so that the connecting key and the tooth key are tightly attracted, and the product is convenient to mount.
Preferably, the fixture block is made of metal materials, the section diameter of the fixture block is smaller than that of the fixture groove, the strength of the fixture block is increased, the fixture block can move in the fixture groove, and therefore connection between the connecting key and the gear shell is controlled.
Preferably, the opposite surfaces of the second electromagnet and the first permanent magnet are opposite in magnetism, when the second electromagnet is electrified, the second electromagnet generates a magnetic field, the second electromagnet and the first permanent magnet attract each other due to the fact that the opposite surfaces are opposite in magnetism, the clamping block is controlled to move upwards, and the connecting key and the gear shell are in a contact locking state.
Preferably, the liquid tank is filled with magnetorheological fluid, the electromagnetic ring is internally provided with an electromagnetic control element, and the magnetic field is generated by controlling the electromagnetic element in the electromagnetic ring, so that the property of the magnetorheological fluid in the liquid tank is changed, the contact time of the tooth shell and a hard object is prolonged, and the abrasion of the tooth shell is reduced.
Preferably, the damping hole is formed in the inner part of the damping sheet, and the magnetorheological fluid in the liquid groove passes through the damping hole in the damping sheet to convert impact energy into internal energy, so that the abrasion of the gear shell is reduced, and the service life of a product is prolonged.
(III) advantageous effects
Compared with the prior art, the invention provides a magnetic connection magnetorheological fluid impact bucket tooth, which has the following beneficial effects:
1. this magnetic connection magnetorheological suspensions strikes bucket tooth, laminates with the tooth key each other through the connecting key, extrudees the start block, the internal circuit of control connecting key for an electro-magnet circular telegram produces magnetic field, and electro-magnet one and permanent magnet two attract each other because of opposite face magnetism, make connecting key and the inseparable actuation of tooth key, accomplish the installation of bucket tooth, compare with ordinary bucket tooth installation, need not strike with the help of outside instrument, and is easy to assemble, reduces the damage that causes for the bucket tooth during the installation simultaneously.
2. This magnetism is connected magnetorheological suspensions and is strikeed bucket tooth, switches on through two 13 electro-magnets and produce the magnetic field, adsorbs the fixture block, contacts the locking of tooth shell and connecting key, and the electromagnetic ring switches on and produces the magnetic field, changes the nature of magnetorheological suspensions in the liquid groove, adjusts the rate that magnetorheological suspensions passes through the damping hole, when making the tooth shell receive the impact force, reciprocating motion, damping fin convert external impact energy into internal energy to reduce the wearing and tearing of product, prolonged the life of product.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the portion B shown in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure of the portion C in FIG. 1 according to the present invention.
In the figure: 1. a gear housing; 2. a connecting bond; 3. an electromagnet I; 4. starting a groove; 5. a first spring; 6. a start block; 7. a card slot; 8. a second spring; 9. a clamping block; 10. a first permanent magnet; 11. a toothed key; 12. a permanent magnet II; 13. an electromagnet II; 14. a movable groove; 15. a third spring; 16. a pressure block; 17. an electromagnetic ring; 18. a liquid tank; 19. a connecting rod; 20. a damping fin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a magnetic connecting magnetorheological fluid impact bucket tooth comprises a tooth shell 1, wherein the tooth shell 1 is made of metal material, the surface of the tooth shell is provided with an anti-rust coating, the service performance of a product is enhanced, the tooth shell 1 is protected from being oxidized by external substances, the service life of the product is prolonged, the inner wall of the tooth shell 1 is fixedly and movably connected with a connecting key 2, the connecting key 2 is made of metal material, the diameter of the connecting key 2 is smaller than that of a movable groove 14, the strength of the connecting key 2 is enhanced, the installation between the connecting key 2 and the tooth shell 1 is facilitated, the connecting key 2 can move up and down in the movable groove 14, the top of the connecting key 2 is fixedly connected with an electromagnet I3, the opposite surfaces of the electromagnet I3 and a permanent magnet II 12 are opposite in magnetism, when the electromagnet I3 is electrified, the electromagnet I3 generates a magnetic field, the electromagnet I3 and the permanent magnet II 12 attract each other due, the installation of the product is convenient.
The two sides of the connecting key 2 are both provided with starting grooves 4, the top of each starting groove 4 is fixedly connected with a first spring 5, the bottom of each first spring 5 is fixedly connected with a starting block 6, each starting block 6 comprises a stay bar, a moving block and a contact, when the connecting key 2 is tightly attached to the corresponding toothed key 11, the stay bar is extruded to drive the moving block and the contact to move downwards, so that the contact is connected with a contact piece at the bottom of the corresponding starting groove 4, the circuit control on the inside of the connecting key 2 is realized, the two sides of the connecting key 2 are both provided with clamping grooves 7, the top of each clamping groove 7 is fixedly connected with a second spring 8, the bottom of each second spring 8 is fixedly connected with a fixture block 9, each fixture block 9 is made of metal materials, the section diameter of each fixture block 9 is smaller than that of each clamping groove 7, the strength of each fixture block 9 is improved, the fixture blocks 9 can move in, the top of the connecting key 2 is movably connected with a toothed key 11, the top of the toothed key 11 is fixedly connected with a permanent magnet II 12, two sides of the toothed key 11 are respectively provided with an electromagnet II 13, the opposite surfaces of the electromagnet II 13 and the permanent magnet I10 are opposite in magnetism, when the electromagnet II 13 is electrified, the electromagnet II 13 generates a magnetic field, the electromagnet II 13 and the permanent magnet I10 attract each other due to the opposite surfaces of the electromagnet II 13 and the permanent magnet I10, the fixture block 9 is controlled to move upwards, and the connecting key 2 and the toothed shell 1 are in a contact locking.
The top of the gear shell 1 is provided with a movable groove 14, the bottom of the movable groove 14 is fixedly connected with a spring III 15, the bottom of the movable groove 14 is movably connected with a pressure block 16, the bottom of the gear shell 1 is provided with an electromagnetic ring 17, the bottom of the gear shell 1 is provided with a liquid groove 18, the liquid groove 18 is filled with magnetorheological fluid, the electromagnetic ring 17 is internally provided with an electromagnetic control element, a magnetic field is generated by controlling the electromagnetic element in the electromagnetic ring 17, the property of the magnetorheological fluid in the liquid groove 18 is changed, the contact time of the gear shell 1 and a hard object is prolonged, so that the abrasion of the gear shell 1 is reduced, the bottom of the connecting key 2 is fixedly connected with a connecting rod 19, the outer side of the connecting rod 19 is sleeved with a damping sheet 20, a damping hole is formed in the damping sheet 20, the magnetorheological fluid in the liquid groove 18 passes through the damping hole in the damping sheet 20.
The working principle is as follows: when a product is installed, the gear shell 1 moves upwards to drive the connecting key 2 and the gear key 11 to be pressed together, the gear key 11 extrudes the starting block 6, the starting block 6 moves downwards, when the connecting key 2 is completely adhered to the gear key 11, the starting block 6 is connected with a contact piece at the bottom of the starting groove 4 to connect an internal circuit of the connecting key 2, so that the electromagnet I3 is electrified, the electromagnet I3 generates a magnetic field, the electromagnet I3 and the permanent magnet II 12 attract each other due to opposite surface magnetism, so that the gear shell 1 is fixed on the gear key 11, when a soft object is dug, the electromagnet II 13 is powered off, the connecting key 2 and the gear shell 1 are connected into a whole under the action of the spring II 8 by the clamping block 9, the gear shell 1 does not move relatively, so as to be convenient to dig, when a hard object is dug, the electromagnet II 13 is electrified, the electromagnet II 13 generates a magnetic field, the electromagnet II 13 and the permanent magnet I10 attract each other, the clamping block 9 is driven to move upwards, the connection between the connecting key 2 and the gear shell 1 is released, the connecting key 2 drives the connecting rod 19, the damping sheet 20 moves up and down in the liquid groove 18, the electromagnetic ring 17 is electrified to generate a magnetic field, the property of magnetorheological fluid in the liquid groove 18 is changed, the contact time is prolonged, impact energy between the gear shell 1 and a hard object is converted into internal energy, and therefore abrasion of the gear shell 1 is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a magnetism is connected magnetorheological suspensions and is strikeed bucket tooth, includes tooth shell (1), its characterized in that: the inner wall of the tooth shell (1) is fixedly and movably connected with a connecting key (2), the top of the connecting key (2) is fixedly connected with a first electromagnet (3), both sides of the connecting key (2) are respectively provided with a starting groove (4), the top of the starting groove (4) is fixedly connected with a first spring (5), the bottom of the first spring (5) is fixedly connected with a starting block (6), both sides of the connecting key (2) are respectively provided with a clamping groove (7), the top of the clamping groove (7) is fixedly connected with a second spring (8), the bottom of the second spring (8) is fixedly connected with a clamping block (9), the interior of the clamping block (9) is fixedly connected with a first permanent magnet (10), the top of the connecting key (2) is movably connected with a tooth key (11), the top of the tooth key (11) is fixedly connected with a second permanent magnet (12), both sides of the tooth key (11) are respectively provided with a second electromagnet (, the bottom of the movable groove (14) is movably connected with a pressure block (16), the bottom of the tooth shell (1) is provided with an electromagnetic ring (17), the bottom of the tooth shell (1) is provided with a liquid groove (18), the bottom of the connecting key (2) is fixedly connected with a connecting rod (19), and the outer side of the connecting rod (19) is sleeved with a damping sheet (20).
2. The magnetically linked magnetorheological fluid impact bucket tooth according to claim 1, wherein: the tooth shell (1) is made of metal materials, and an anti-rust coating is arranged on the surface of the tooth shell.
3. The magnetically linked magnetorheological fluid impact bucket tooth according to claim 1, wherein: the connecting key (2) is made of metal materials, and the diameter of the connecting key (2) is smaller than that of the movable groove (14).
4. The magnetically linked magnetorheological fluid impact bucket tooth according to claim 1, wherein: the starting block (6) comprises a support rod, a moving block and a contact.
5. The magnetically linked magnetorheological fluid impact bucket tooth according to claim 1, wherein: and the opposite surfaces of the electromagnet I (3) and the permanent magnet II (12) are opposite in magnetism.
6. The magnetically linked magnetorheological fluid impact bucket tooth according to claim 1, wherein: the clamping block (9) is made of metal materials, and the diameter of the section of the clamping block (9) is smaller than that of the section of the clamping groove (7).
7. The magnetically linked magnetorheological fluid impact bucket tooth according to claim 1, wherein: and the opposite surfaces of the second electromagnet (13) and the first permanent magnet (10) are opposite in magnetism.
8. The magnetically linked magnetorheological fluid impact bucket tooth according to claim 1, wherein: the liquid tank (18) is filled with magnetorheological fluid, and an electromagnetic control element is arranged in the electromagnetic ring (17).
9. The magnetically linked magnetorheological fluid impact bucket tooth according to claim 1, wherein: the damping fin (20) is internally provided with a damping hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110130980.7A CN112943842A (en) | 2021-01-30 | 2021-01-30 | Magnetic connection magnetorheological fluid impact bucket tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110130980.7A CN112943842A (en) | 2021-01-30 | 2021-01-30 | Magnetic connection magnetorheological fluid impact bucket tooth |
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| Publication Number | Publication Date |
|---|---|
| CN112943842A true CN112943842A (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110130980.7A Pending CN112943842A (en) | 2021-01-30 | 2021-01-30 | Magnetic connection magnetorheological fluid impact bucket tooth |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625537A (en) * | 2013-12-17 | 2014-03-12 | 重庆示展科技发展中心 | Steering electromagnetic boosting device |
| CN107142990A (en) * | 2017-07-11 | 2017-09-08 | 江苏洛克精密铸造有限公司 | It is a kind of can Fast Installation excavator bucket teeth |
| CN207295829U (en) * | 2017-07-11 | 2018-05-01 | 江苏洛克精密铸造有限公司 | A kind of quick-installed excavator bucket teeth |
| CN208454203U (en) * | 2018-06-13 | 2019-02-01 | 天津市宇程电梯配件有限公司 | Falling proof device is used at the top of a kind of elevator |
| CN112081860A (en) * | 2020-09-28 | 2020-12-15 | 杭州能发科技有限公司 | Patrol and examine robot with crashproof function |
| CN212248760U (en) * | 2020-05-19 | 2020-12-29 | 连云港师范高等专科学校 | Magnetorheological fluid gear energy dissipation damper |
| CN112268156A (en) * | 2020-11-26 | 2021-01-26 | 刘秋芳 | Prevent revealing chemical pipeline of automatic isolation |
| CN112523296A (en) * | 2020-12-02 | 2021-03-19 | 王亚亭 | Magnetic connection magnetorheological fluid impact bucket tooth |
-
2021
- 2021-01-30 CN CN202110130980.7A patent/CN112943842A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625537A (en) * | 2013-12-17 | 2014-03-12 | 重庆示展科技发展中心 | Steering electromagnetic boosting device |
| CN107142990A (en) * | 2017-07-11 | 2017-09-08 | 江苏洛克精密铸造有限公司 | It is a kind of can Fast Installation excavator bucket teeth |
| CN207295829U (en) * | 2017-07-11 | 2018-05-01 | 江苏洛克精密铸造有限公司 | A kind of quick-installed excavator bucket teeth |
| CN208454203U (en) * | 2018-06-13 | 2019-02-01 | 天津市宇程电梯配件有限公司 | Falling proof device is used at the top of a kind of elevator |
| CN212248760U (en) * | 2020-05-19 | 2020-12-29 | 连云港师范高等专科学校 | Magnetorheological fluid gear energy dissipation damper |
| CN112081860A (en) * | 2020-09-28 | 2020-12-15 | 杭州能发科技有限公司 | Patrol and examine robot with crashproof function |
| CN112268156A (en) * | 2020-11-26 | 2021-01-26 | 刘秋芳 | Prevent revealing chemical pipeline of automatic isolation |
| CN112523296A (en) * | 2020-12-02 | 2021-03-19 | 王亚亭 | Magnetic connection magnetorheological fluid impact bucket tooth |
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Application publication date: 20210611 |