CN112373964A - Device for protecting cement conveying motor - Google Patents
Device for protecting cement conveying motor Download PDFInfo
- Publication number
- CN112373964A CN112373964A CN202011141397.8A CN202011141397A CN112373964A CN 112373964 A CN112373964 A CN 112373964A CN 202011141397 A CN202011141397 A CN 202011141397A CN 112373964 A CN112373964 A CN 112373964A
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- CN
- China
- Prior art keywords
- fixing piece
- electromagnet
- fixedly connected
- motor protection
- piston
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/68—Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form
Abstract
The invention relates to the technical field of cement, and discloses a device for protecting a cement conveying motor. This a device for cement conveying motor protection, through slider and the operation of first stationary contact point contact, the cooperation of rethread first electro-magnet and first magnetic path is used, when the conveyer belt stall, slider centrifugal force disappears, the effect through the spring promotes the slider to the left side and contacts with first stationary contact point, make second electro-magnet and first electro-magnet circular telegram adsorb slider and first magnetic path respectively, thereby make the slider always with the circular telegram of first stationary contact point contact, pivot continuation pivoted purpose when having played the conveyer belt stall, thereby reached and prevented to cause overload operation to the motor because of carrying overload, realize the protection to the motor, the life of motor has effectively been improved.
Description
Technical Field
The invention relates to the technical field of cement, in particular to a device for protecting a cement conveying motor.
Background
The cement is a powdery hydraulic inorganic cementing material, is added with water and stirred into slurry, can be hardened in the air or in water, can firmly bond sand, stone and other materials together, is widely applied to the engineering of civil construction, water conservancy, national defense and the like as an important cementing material, has large demand on a motor in the production process, and is easy to overload during the cement conveying.
Need carry out the grinding with bold raw materials when carrying out cement manufacture, then need carry the kiln in calcine, overload because of self weight overweight messenger band pulley in the transportation process of cement, perhaps because of piling up too much cement, cause conveyor stop work, caused the motor overload operation for conveyor can't normal operating, influences normal work efficiency.
Therefore, we propose a device for cement conveying motor protection 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 device for protecting a cement conveying motor, which has the advantage of avoiding overload operation of the motor caused by conveying overload and solves the problem of overload operation of the motor caused by the condition that a conveying belt is easily overloaded in the conveying process.
(II) technical scheme
In order to achieve the purpose of avoiding overload operation of the motor caused by conveying overload, the invention provides the following technical scheme: a device for protecting a cement conveying motor comprises a rotating shaft, wherein a fixing piece is fixedly connected to the outer side of the rotating shaft, a roller is movably connected to the outer side of the fixing piece, a conveying belt is movably connected to the right side of the roller, a medium groove is formed in the left side of the inner portion of the fixing piece, four fixing blocks which are uniformly distributed are movably connected to the outer side of the fixing piece, a first magnetic block is fixedly connected to the inner portion of the fixing piece, the first electromagnetic block is uniformly distributed, the first electromagnetic block is fixedly connected to the inner wall of the fixing piece, the inner portion of the fixing piece is fixedly connected to the inner portion of the fixing piece, the top portion and the bottom portion of the fixing piece, steel balls are movably connected to the inner portion of the fixing piece, the left side of the fixing piece, the damping hole has been seted up at the top of piston, the right side fixedly connected with push rod of piston, the left inner wall of mounting and the right side fixedly connected with second stationary contact that is close to the push rod, the left inner wall swing joint of mounting has the movable contact with the bottom swing joint of second stationary contact.
Preferably, the fixing piece is made of hard high-strength material and is cylindrical, and the fixing piece plays a role in transmission and fixing of all parts.
Preferably, the left side of the medium groove is fixedly connected with a compression spring, the inner side of the medium groove is filled with viscous medium, and the compression spring plays a role in pushing the piston to move rightwards.
Preferably, the shape of the outer side of the fixed block is an arc surface and is matched with an arc groove formed in the roller, the fixed block plays a role in transmission, the magnetism generated on the outer side of the first electromagnet is opposite to the magnetism of the inner side of the first magnetic block, the size of the first electromagnet is larger than that of the first magnetic block, and the first electromagnet plays a role in magnetic transmission.
Preferably, the slider material is hard high strength material and the size of slider is less than the size of activity groove, and the slider plays the effect of transmission and fixed each part.
Preferably, the steel ball is made of a hard high-strength material and is spherical, the steel ball plays a role in reducing friction force, the second electromagnet is electrically connected with the first electromagnet, the magnetism generated on the right side of the second electromagnet is opposite to that generated on the left side of the second magnet, the size of the second electromagnet is larger than that of the second magnet, and the second electromagnet plays a role in magnetic transmission.
Preferably, the piston is arc-shaped, the left side of the piston is fixedly connected with the compression spring, the piston plays a transmission role, the damping hole is cylindrical, and the damping hole plays a role in limiting the flow of the viscous medium.
Preferably, the second stationary contact is electrically connected with the first stationary contact, the first stationary contact is in contact with the left side contact of the sliding block to achieve the effect of electrifying the second electromagnet and the first electromagnet, the movable contact is spherical, and the second stationary contact is disconnected from the movable contact to achieve the effect of losing power of the second electromagnet.
(III) advantageous effects
Compared with the prior art, the invention provides a device for protecting a cement conveying motor, which has the following beneficial effects:
1. this a device for cement conveying motor protection, through slider and the operation of first stationary contact point contact, the cooperation of rethread first electro-magnet and first magnetic path is used, when the conveyer belt stall, slider centrifugal force disappears, the effect through the spring promotes the slider to the left side and contacts with first stationary contact point, make second electro-magnet and first electro-magnet circular telegram adsorb slider and first magnetic path respectively, thereby make the slider always with the circular telegram of first stationary contact point contact, pivot continuation pivoted purpose when having played the conveyer belt stall, thereby reached and prevented to cause overload operation to the motor because of carrying overload, realize the protection to the motor, the life of motor has effectively been improved.
2. This a device for cement transportation motor protection, drive the push rod operation through the piston, the cooperation of rethread second stationary contact and movable contact is used, when pivot stall, the piston slowly moves right in compression spring's effect, make the push rod withstand the movable contact and move to the right side, thereby make second stationary contact and movable contact disconnection, make second electro-magnet and first electro-magnet outage and get back to the outside through the effect fixed block of spring, the movable groove intermediate position is got back to the slider, thereby reached the purpose that utilizes the stall control circuit coil outage of pivot, next work has been made things convenient for.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a media slot configuration of the present invention;
FIG. 3 is a schematic view of a pulley stall configuration of the present invention;
FIG. 4 is a schematic view of a rotation stopping structure of the present invention.
In the figure: 1. a rotating shaft; 2. a fixing member; 3. a drum; 4. a conveyor belt; 5. a dielectric tank; 6. a fixed block; 7. a first magnetic block; 8. a first electromagnet; 9. a slider; 10. a second magnetic block; 11. steel balls; 12. a second electromagnet; 13. a first stationary contact; 14. a piston; 15. a damping hole; 16. a push rod; 17. a second stationary contact; 18. and a movable contact.
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 device for protecting a cement conveying motor comprises a rotating shaft 1, a fixing member 2 is fixedly connected to the outer side of the rotating shaft 1, the fixing member 2 is made of hard high-strength material and the fixing member 2 is cylindrical, the fixing member 2 plays a role in transmission and fixing each component, the outer side of the fixing member 2 is movably connected with a roller 3, the right side of the roller 3 is movably connected with a conveying belt 4, a medium groove 5 is formed in the left side of the inner portion of the fixing member 2, a compression spring is fixedly connected to the left side of the medium groove 5, the inner side of the medium groove 5 is filled with viscous medium, the compression spring plays a role in pushing a piston 14 to move rightwards, four fixing blocks 6 are movably connected to the outer side of the fixing member 2 and are uniformly distributed, the outer side of each fixing block 6 is arc-shaped and matched with an arc, the inside fixedly connected with first magnet 7 of fixed block 6, the inside of the mounting 2 and the inside fixedly connected with four evenly distributed first electromagnets 8 that are close to fixed block 6, the magnetism that produces outside first electromagnet 8 is opposite with the inboard magnetism of first magnet 7 and the size of first electromagnet 8 is greater than the size of first magnet 7, first electromagnet 8 plays the effect of magnetic drive, inner wall swing joint on mounting 2 right side has slider 9, slider 9 material is the stereoplasm high strength material and the size of slider 9 is less than the size of movable groove, slider 9 plays the effect of transmission and fixed each part, the inside fixedly connected with second magnet 10 of slider 9, the top and the bottom of slider 9 all swing joint have steel ball 11, the material of steel ball 11 is the stereoplasm high strength material and the shape of steel ball 11 is the sphere, steel ball 11 plays the effect of reducing friction, a second electromagnet 12 is fixedly connected to the inner portion of the right side of the fixed member 2 and the left side close to the sliding block 9, the second electromagnet 12 is electrically connected to the first electromagnet 8, the magnetism generated by the right side of the second electromagnet 12 is opposite to the magnetism generated by the left side of the second magnetic block 10, the size of the second electromagnet 12 is larger than that of the second magnetic block 10, the second electromagnet 12 plays a role in magnetic transmission, a first stationary contact 13 is fixedly connected to the inner wall of the right side of the fixed member 2 and the right side close to the second electromagnet 12, a piston 14 is movably connected to the inner wall of the left side of the fixed member 2 and the inner portion close to the medium groove 5, the piston 14 is arc-shaped, the left side of the piston 14 is fixedly connected to a compression spring, the piston 14 plays a role in transmission, a damping hole 15 is formed in the top of the piston 14, the damping hole 15 is cylindrical, the damping hole 15 plays, the inner wall on the left side of the fixing part 2 and the right side close to the push rod 16 are fixedly connected with a second fixed contact 17, the second fixed contact 17 is electrically connected with the first fixed contact 13, the first fixed contact 13 is in contact with the left side contact of the sliding block 9 to play a role in electrifying the second electromagnet 12 and the first electromagnet 8, the inner wall on the left side of the fixing part 2 is movably connected with a movable contact 18 movably connected with the bottom of the second fixed contact 17, the movable contact 18 is spherical in shape, and the second fixed contact 17 is disconnected with the movable contact 18 to play a role in losing electricity of the second electromagnet 12.
The working principle is as follows: during the cement conveying process, the motor is overloaded due to the stopping of the conveying belt 4 caused by excessive conveying amount, when the conveying belt 4 stops, the centrifugal force disappears, the sliding block 9 is pushed to the left side under the action of the spring and is in contact with the first stationary contact 13 to be electrified under the condition that the friction force is reduced by the outer steel ball 11 under the action of the lost centrifugal force, the second electromagnet 12 and the first electromagnet 8 are electrified to generate magnetic force to respectively adsorb the sliding block 9 and the first magnetic block 7, so that the left side of the sliding block 9 is always in contact with the first stationary contact 13 to be electrified, the fixed block 6 is adsorbed to move inwards, the roller 3 is separated from the fixed block 2 and loses the fixed force, the purpose of continuously rotating the rotating shaft 1 when the conveying belt 4 stops is achieved, the overload operation of the motor caused by the conveying overload is prevented, and the motor is protected, the service life of the motor is effectively prolonged;
when removing the surplus cement on the conveyer belt 4, the rotating shaft 1 stops rotating, the centrifugal force on the rotating shaft 1 disappears, at this time, the piston 14 pushes the push rod 16 to move rightwards under the action of the compression spring, and the viscous medium is slowly moved by the action of the damping hole 15 arranged at the top of the piston 14 for limiting the current, so that when the fixing piece 2 completely stops, the push rod 16 is contacted with the movable contact 18 and pushes the movable contact 18 to move rightwards, the second fixed contact 17 is disconnected with the movable contact 18, the second electromagnet 12 and the first electromagnet 8 are powered off and push the fixing piece 6 to move outwards through the action of the spring, the slide block 9 returns to the middle position of the movable groove, thereby the purpose of controlling the circuit coil to be powered off by utilizing the stopping of the rotating shaft 1 is achieved, when the motor is started, the fixing piece 2 rotates, the fixing piece 6 is matched with the arc groove on the inner side of the roller 3, thereby driving the roller 3 to rotate and the conveyer belt 4 to work normally.
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 (8)
1. A device for cement conveying motor protection, includes pivot (1), its characterized in that: the outer side of the rotating shaft (1) is fixedly connected with a fixing piece (2), the outer side of the fixing piece (2) is movably connected with a roller (3), the right side of the roller (3) is movably connected with a conveying belt (4), the left side of the inner part of the fixing piece (2) is provided with a medium groove (5), the outer side of the fixing piece (2) is movably connected with four uniformly distributed fixing blocks (6), the inner part of each fixing block (6) is fixedly connected with a first magnetic block (7), the inner part of the fixing piece (2) close to the fixing blocks (6) is fixedly connected with four uniformly distributed first electromagnets (8), the inner wall of the right side of the fixing piece (2) is movably connected with a sliding block (9), the inner part of the sliding block (9) is fixedly connected with a second magnetic block (10), the top and the bottom of the sliding block (9) are both movably connected with steel balls (11, the inner wall on the right side of the fixing piece (2) is close to a first fixed contact (13) of the right side of the second electromagnet (12), the inner wall on the left side of the fixing piece (2) is close to a piston (14) of the inner movable connection of the medium groove (5), a damping hole (15) is formed in the top of the piston (14), a push rod (16) of the piston (14) is fixedly connected to the right side of the fixing piece (2), a second fixed contact (17) of the right side of the push rod (16) is close to the inner wall on the left side of the fixing piece (2), and a movable contact (18) movably connected with the bottom of the second fixed contact (17) is movably connected.
2. A device for cement delivery motor protection as claimed in claim 1, wherein: the fixing piece (2) is made of hard high-strength material and the fixing piece (2) is cylindrical.
3. A device for cement delivery motor protection as claimed in claim 1, wherein: and a compression spring is fixedly connected to the left side of the medium groove (5), and a viscous medium is filled in the inner side of the medium groove (5).
4. A device for cement delivery motor protection as claimed in claim 1, wherein: the shape of the outer side of the fixed block (6) is an arc surface and is matched with an arc groove formed in the roller (3), the magnetism generated on the outer side of the first electromagnet (8) is opposite to the magnetism of the inner side of the first magnetic block (7), and the size of the first electromagnet (8) is larger than that of the first magnetic block (7).
5. A device for cement delivery motor protection as claimed in claim 1, wherein: the sliding block (9) is made of hard high-strength material, and the size of the sliding block (9) is smaller than that of the movable groove.
6. A device for cement delivery motor protection as claimed in claim 1, wherein: the steel ball (11) is made of hard high-strength materials, the steel ball (11) is spherical, the second electromagnet (12) is electrically connected with the first electromagnet (8), the magnetism generated on the right side of the second electromagnet (12) is opposite to that on the left side of the second magnetic block (10), and the size of the second electromagnet (12) is larger than that of the second magnetic block (10).
7. A device for cement delivery motor protection as claimed in claim 1, wherein: the piston (14) is arc-shaped, the left side of the piston (14) is fixedly connected with the compression spring, and the damping hole (15) is cylindrical.
8. A device for cement delivery motor protection as claimed in claim 1, wherein: the second fixed contact (17) is electrically connected with the first fixed contact (13), and the movable contact (18) is spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011141397.8A CN112373964A (en) | 2020-10-22 | 2020-10-22 | Device for protecting cement conveying motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011141397.8A CN112373964A (en) | 2020-10-22 | 2020-10-22 | Device for protecting cement conveying motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112373964A true CN112373964A (en) | 2021-02-19 |
Family
ID=74580732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011141397.8A Withdrawn CN112373964A (en) | 2020-10-22 | 2020-10-22 | Device for protecting cement conveying motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112373964A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845196A (en) * | 2021-03-03 | 2021-05-28 | 宋兆全 | Express sorting robot capable of automatically controlling size of supporting plate |
| CN114313739A (en) * | 2022-02-14 | 2022-04-12 | 青岛天科物流装备股份有限公司 | Automatic stacker for automatically storing and taking goods in high-position three-dimensional warehouse |
-
2020
- 2020-10-22 CN CN202011141397.8A patent/CN112373964A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112845196A (en) * | 2021-03-03 | 2021-05-28 | 宋兆全 | Express sorting robot capable of automatically controlling size of supporting plate |
| CN114313739A (en) * | 2022-02-14 | 2022-04-12 | 青岛天科物流装备股份有限公司 | Automatic stacker for automatically storing and taking goods in high-position three-dimensional warehouse |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210219 |