CN110683464A - Crane track operation safety protection device based on electromagnetic principle - Google Patents
Crane track operation safety protection device based on electromagnetic principle Download PDFInfo
- Publication number
- CN110683464A CN110683464A CN201910956856.9A CN201910956856A CN110683464A CN 110683464 A CN110683464 A CN 110683464A CN 201910956856 A CN201910956856 A CN 201910956856A CN 110683464 A CN110683464 A CN 110683464A
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- Prior art keywords
- fixedly connected
- rod
- operation safety
- protection device
- device based
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/008—Brakes acting on a linearly moving member
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention relates to the technical field of cranes and discloses a crane track operation safety protection device based on an electromagnetic principle, which comprises a brake disc, wherein one end of a hydraulic pipe is connected with a first piston, the other end of the hydraulic pipe is connected with a hydraulic cylinder, a second piston is connected inside the hydraulic cylinder, the left end of a push rod is connected with a pedal rod, the middle part of the pedal rod is connected with a sliding rod, the sliding rod is connected with a driving rod, the lower end of the driving rod is connected with a turntable, and two sides of the fixing block are both connected with permanent magnets. Through the leftward or rightward deviation of brake disc, permanent magnet begins to incline, and permanent magnet drives the carousel and rotates, and the carousel drives the initiative pole downstream, and the initiative pole pull-down slide bar moves down, and the slide bar drives pedal pole extrusion pneumatic cylinder, and the first piston of liquid extrusion of pneumatic cylinder, first piston promote the brake block and brake, and this structure has solved current electrical components and sometimes can not guarantee bridge crane operation safety.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to a crane track operation safety protection device based on an electromagnetic principle.
Background
The crane refers to a multi-power lifting machine, also called a crown block or a gantry crane, for vertically lifting and horizontally carrying heavy objects within a certain range. The crane tire crane is mainly characterized in that: the running cab and the crane cab are integrated into a whole and are formed by the evolution of a crawler crane, the crawler and the walking bracket of the walking mechanism are changed into a chassis with tires, the defect that the crawler plate of the crawler crane damages the road surface is overcome, and the crawler crane belongs to material handling machinery. The bridge crane is a hoisting device which is transversely erected above workshops, warehouses and stockyards to hoist materials, and is a hoisting machine with the widest application range and the largest quantity.
The bridge crane detects and alarms to remind track deviation through electrical components in the working period generally, so that rollover accidents of the bridge crane are prevented, but the electrical components and the alarm reminding devices are respectively arranged on a track and the bridge crane, faults are inevitable after long-time working, particularly, the electrical components arranged on a running track are easy to loosen due to vibration caused by friction and noise, and some detection devices needing independent batteries are arranged at present, so that the accuracy of the electrical components can be guaranteed only by replacing the batteries, the bridge crane can possibly have accidents during replacement or working, and in order to solve the problems, the crane track running safety protection device based on the electromagnetic principle is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a crane track operation safety protection device based on an electromagnetic principle, which has the advantage of etching guarantee on the operation safety of a bridge crane and solves the problem that the operation safety of the bridge crane cannot be guaranteed when the existing electrical components are damaged or batteries are replaced.
(II) technical scheme
In order to realize the purpose of ensuring the etching on the operation safety of the bridge crane, the invention provides the following technical scheme: a crane track operation safety protection device based on an electromagnetic principle comprises a brake disc, wherein a supporting arm is fixedly connected to the left end of the brake disc, brake calipers are fixedly connected to the upper end of the supporting arm, hydraulic pipes are fixedly connected to the inside of the brake calipers, a first piston is fixedly connected to one end of each hydraulic pipe in the calipers, brake pads are fixedly connected to one end, close to the brake disc, of each first piston, a track is arranged right below the brake disc, a hydraulic cylinder is fixedly connected to the other end of each hydraulic pipe, a second piston is slidably connected to the inside of the hydraulic cylinder, a push rod is fixedly connected to the left end of each second piston, a pedal rod is rotatably connected to the left end of each push rod, a sliding rod is slidably connected to the middle of each pedal rod, a driving rod is slidably connected to the sliding rod, a rotary disc is rotatably connected to the lower end of the, permanent magnets are fixedly connected to the left side and the right side of the fixing block.
Preferably, the left side and the right side of the track are fixedly provided with a first magnetic plate and a second magnetic plate, a sliding groove is formed between the first magnetic plate and the second magnetic plate, and the distances from the first magnetic plate and the second magnetic plate to the permanent magnet are equal and are opposite to the magnetic poles of the first magnetic plate and the second magnetic plate.
Preferably, the middle part of the pedal rod is fixedly connected with a fixed block, and the upper end of the pedal rod is internally and fixedly connected with a pedal.
Preferably, an arc-shaped groove is formed in one end, contacting the pedal rod, of the sliding rod. The arc-shaped groove is slightly larger than the diameter of the pedal rod.
Preferably, the hydraulic cylinder and the sliding rod are both fixedly connected to a bracket of the crane.
Preferably, the upper end of the driving rod is provided with a through hole, and the through hole facilitates the driving rod to slide on the sliding rod.
Preferably, the middle part of the uppermost part of the front end of the rotary table is fixedly connected with a cylinder, so that the driving rod can move downwards no matter which direction the rotary table rotates.
Preferably, the opposite faces of the permanent magnets at the two ends of the fixed block have opposite magnetic poles.
(III) advantageous effects
Compared with the prior art, the invention provides a crane track operation safety protection device based on an electromagnetic principle, which has the following beneficial effects:
the crane rail operation safety protection device based on the electromagnetic principle is characterized in that in the working process of a bridge crane, a permanent magnet is kept horizontal in electromagnetic fields of a first magnetic plate and a second magnetic plate which are fixed on a rail, when the rail is deformed or abraded greatly, the permanent magnet moves in the electromagnetic fields of the first magnetic plate and the second magnetic plate along with the leftward or rightward deviation of a brake disc, the magnetic field force borne by the permanent magnet is changed into that one end is stronger, the other end is weaker, the permanent magnet begins to incline, the permanent magnet drives a turntable to rotate through a fixed block and a rotating shaft, the turntable drives a driving rod to move downwards through a cylinder on the turntable, the driving rod pulls a sliding rod to move downwards horizontally, the right end of the sliding rod drives a pedal rod to move downwards through the fixed block, a hydraulic cylinder is extruded through a push rod and a second piston under the pedal rod, and the liquid of the hydraulic cylinder extrudes a, the first piston pushes the brake pad to brake the brake disc, and the structure achieves the effect of automatically protecting the bridge crane, so that the problem that the operation safety of the bridge crane cannot be guaranteed when the existing electric appliance element is damaged or the battery is replaced is solved.
Drawings
FIG. 1 is a cross-sectional view of a brake related structure of the present invention;
FIG. 2 is a cross-sectional view of a protection-related structure of the present invention;
FIG. 3 is a schematic top view of the structure of the slide bar of the present invention;
fig. 4 is a side sectional view of a permanent magnet related structure of the invention;
fig. 5 is a schematic top view of the track structure of the present invention.
In the figure: the brake comprises a brake disc 1, a support arm 2, a brake caliper 3, a hydraulic pipe 4, a first piston 5, a brake pad 6, a track 7, a first magnetic plate 701, a second magnetic plate 702, a sliding groove 703, a hydraulic cylinder 8, a second piston 9, a push rod 10, a pedal rod 11, a fixed block 1101, a pedal plate 1102, a sliding rod 12, an arc-shaped groove 1201, a driving rod 13, a through hole 1301, a rotating disc 14, a column 1401, a rotating shaft 15, a fixed block 16 and a permanent magnet 17.
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. 1-5, a crane track operation safety protection device based on an electromagnetic principle includes a brake disc 1, a support arm 2 is fixedly connected to a left end of the brake disc 1, a brake caliper 3 is fixedly connected to an upper end of the support arm 2, a hydraulic tube 4 is fixedly connected to the inside of the brake caliper 3, a first piston 5 is fixedly connected to one end of the hydraulic tube 4 inside the caliper 3, a brake pad 6 is fixedly connected to one end of the first piston 5 close to the brake disc 1, a track 7 is arranged right below the brake disc 1, a first magnetic plate 701 and a second magnetic plate 702 are fixedly mounted on the left side and the right side of the track 7, a sliding groove 703 is formed between the first magnetic plate 701 and the second magnetic plate 702, and distances from the first magnetic plate 701 to a permanent magnet 17 are equal and opposite to magnetic poles of the first magnetic plate 703 and the second magnetic plate 702. The other end fixedly connected with pneumatic cylinder 8 of hydraulic pressure pipe 4, the inside sliding connection of pneumatic cylinder 8 has second piston 9, and the left end fixedly connected with push rod 10 of second piston 9.
The left end of the push rod 10 is rotatably connected with a pedal rod 11, the middle part of the pedal rod 11 is fixedly connected with a fixing block 1101, and the upper end of the pedal rod 11 is internally and fixedly connected with a pedal 1102. The middle part of the foot rest lever 11 is connected with a sliding rod 12 in a sliding manner, the hydraulic cylinder 8 and the sliding rod 12 are fixedly connected to a support of the crane, and the arc-shaped groove 1201 is formed in one end, in contact with the foot rest lever 11, of the sliding rod 12. The arc-shaped groove 1201 is slightly larger than the diameter of the pedal rod 11, the sliding rod 12 is slidably connected with the driving rod 13, the upper end of the driving rod 13 is provided with a through hole 1301, and the driving rod 13 can conveniently slide on the sliding rod 12 through the through hole 1301. The lower end of the active rod 13 is rotatably connected with a rotary table 14, and the uppermost middle part of the front end of the rotary table 14 is fixedly connected with a cylinder 1401, so that the active rod 13 can move downwards no matter which direction the rotary table 14 rotates. The rotary table 14 is fixedly connected with a rotating shaft 15, the front end of the rotating shaft 15 is fixedly connected with a fixed block 16, the left side and the right side of the fixed block 16 are both fixedly connected with permanent magnets 17, and opposite surfaces of the permanent magnets 17 at the two ends of the fixed block 16 are opposite in magnetic pole.
The working principle is as follows: the crane track operation safety protection device based on the electromagnetic principle keeps horizontal in the electromagnetic fields of a first magnetic plate 701 and a second magnetic plate 702 fixed on a track 7 through a permanent magnet 17 in the working process of a bridge crane, when the track 7 deforms or is greatly worn, along with the leftward or rightward deflection of a brake disc 1, the permanent magnet 17 moves in the electromagnetic fields of the first magnetic plate 701 and the second magnetic plate 702, the magnetic field force borne by the permanent magnet 17 is changed into that one end is stronger, the other end is weaker, the permanent magnet 17 starts to incline, the permanent magnet 17 drives a rotary disc 14 to rotate through a fixed block 16 and a rotating shaft 15, the rotary disc 14 drives a driving rod 13 to move downwards through a cylinder 1401 on the rotary disc 14, the driving rod 13 pulls a sliding rod 12 to move downwards horizontally, the right end of the sliding rod 12 drives a pedal rod 11 to move downwards through the fixed block 1101, the hydraulic cylinder 8 is extruded by a push rod 10 and a second piston 9 under the pedal rod 11, the liquid of the hydraulic cylinder 8 extrudes the first piston 5 through the hydraulic pipe 4, the first piston 5 pushes the brake pad 6 to brake the brake disc 1, and it should be noted that: it is known that a certain distance exists between the brake pad 6 and the brake disc 1, the angle between the sliding rod 12 and the pedal rod 11 is small, and when the sliding rod 12 moves downwards to push the pedal rod 11 to rotate downwards, the rotating angle of the pedal rod 11 is not very large, so that the bridge crane cannot automatically perform a braking effect when the track is deformed slightly, the abrasion is small and the machine body vibrates, and the structure achieves the effect of automatically protecting the bridge crane, thereby solving the problem that the operation safety of the bridge crane cannot be guaranteed when the existing electric appliance element is damaged or the battery is replaced.
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. The utility model provides a hoist orbit operation safety arrangement based on electromagnetism principle, includes brake disc (1), its characterized in that: the left end of the brake disc (1) is fixedly connected with a support arm (2), the upper end of the support arm (2) is fixedly connected with brake calipers (3), the inside of the brake calipers (3) is fixedly connected with a hydraulic pipe (4), one end of the hydraulic pipe (4) in the inside of the calipers (3) is fixedly connected with a first piston (5), one end of the first piston (5) close to the brake disc (1) is fixedly connected with a brake pad (6), a track (7) is arranged under the brake disc (1), the other end of the hydraulic pipe (4) is fixedly connected with a hydraulic cylinder (8), the inside of the hydraulic cylinder (8) is slidably connected with a second piston (9), the left end of the second piston (9) is fixedly connected with a push rod (10), the left end of the push rod (10) is rotatably connected with a pedal rod (11), the middle part of the pedal rod (11) is slidably connected with a sliding rod (12), and the sliding rod (12, the lower end of the driving rod (13) is rotatably connected with a rotary table (14), the rotary table (14) is fixedly connected with a rotary shaft (15), the front end of the rotary shaft (15) is fixedly connected with a fixed block (16), and the left side and the right side of the fixed block (16) are fixedly connected with permanent magnets (17).
2. A crane rail operation safety protection device based on electromagnetic principle as claimed in claim 1, characterized in that: the left side and the right side of the track (7) are fixedly provided with a first magnetic plate (701) and a second magnetic plate (702), a sliding groove (703) is formed between the first magnetic plate (701) and the second magnetic plate (702), and the distances from the first magnetic plate (701) to the permanent magnet (17) are equal to the distances from the second magnetic plate (702) to the permanent magnet (17) and are opposite to the magnetic poles of the first magnetic plate and the second magnetic plate.
3. A crane rail operation safety protection device based on electromagnetic principle as claimed in claim 1, characterized in that: the middle part of the pedal rod (11) is fixedly connected with a fixing block (1101), and the upper end of the pedal rod (11) is internally and fixedly connected with a pedal plate (1102).
4. A crane rail operation safety protection device based on electromagnetic principle as claimed in claim 1, characterized in that: an arc-shaped groove (1201) is formed in one end, in contact with the pedal rod (11), of the sliding rod (12).
5. A crane rail operation safety protection device based on electromagnetic principle as claimed in claim 1, characterized in that: the hydraulic cylinder (8) and the sliding rod (12) are both fixedly connected to a support of the crane.
6. A crane rail operation safety protection device based on electromagnetic principle as claimed in claim 1, characterized in that: the upper end of the driving rod (13) is provided with a through hole (1301).
7. A crane rail operation safety protection device based on electromagnetic principle as claimed in claim 1, characterized in that: the middle part of the uppermost part of the front end of the rotating disc (14) is fixedly connected with a cylinder (1401).
8. A crane rail operation safety protection device based on electromagnetic principle as claimed in claim 1, characterized in that: the permanent magnet (17) has opposite magnetic poles on the opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910956856.9A CN110683464A (en) | 2019-10-10 | 2019-10-10 | Crane track operation safety protection device based on electromagnetic principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910956856.9A CN110683464A (en) | 2019-10-10 | 2019-10-10 | Crane track operation safety protection device based on electromagnetic principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110683464A true CN110683464A (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910956856.9A Pending CN110683464A (en) | 2019-10-10 | 2019-10-10 | Crane track operation safety protection device based on electromagnetic principle |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU683985A1 (en) * | 1977-06-15 | 1979-09-05 | Специальное Конструкторское Бюро Главмостостроя | Trolley-braking device |
| CN1332679A (en) * | 1998-11-06 | 2002-01-23 | 埃纳·斯文森 | Monorail system |
| KR20100003750A (en) * | 2008-07-02 | 2010-01-12 | 한국전기연구원 | Guidance control system for magnetically-guided lift |
| CN201560056U (en) * | 2009-11-13 | 2010-08-25 | 天津起重设备有限公司 | Magnetic suspension wheelless rail type crane |
| WO2010108484A1 (en) * | 2009-03-24 | 2010-09-30 | Josef Wiegand Gmbh & Co. Kg | Braking device for a rail-guided carriage |
| CN201634327U (en) * | 2009-09-23 | 2010-11-17 | 南通润邦重机有限公司 | Magnetic sensitive control and anchoring device for gantry crane |
| CN203833495U (en) * | 2014-05-28 | 2014-09-17 | 太原高科锐志物流仓储设备有限公司 | Upper end braking device for stacking machine |
| CN105114495A (en) * | 2015-07-28 | 2015-12-02 | 山东科技大学 | Electromagnetic disc brake for vehicle |
| CN106185682A (en) * | 2016-03-11 | 2016-12-07 | 焦作市华鹰机电技术有限公司 | High-performance electric magnet aid force deadman's brake and directly drive elevator |
| CN107206977A (en) * | 2014-08-20 | 2017-09-26 | 高新技术有限责任公司 | Eddy-current brake equipment for linear system |
| CN209038889U (en) * | 2018-09-15 | 2019-06-28 | 大连市甘井子区炳林铆焊厂 | A kind of crane electromagnetism telescopic clamp rail anchoring device |
-
2019
- 2019-10-10 CN CN201910956856.9A patent/CN110683464A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU683985A1 (en) * | 1977-06-15 | 1979-09-05 | Специальное Конструкторское Бюро Главмостостроя | Trolley-braking device |
| CN1332679A (en) * | 1998-11-06 | 2002-01-23 | 埃纳·斯文森 | Monorail system |
| KR20100003750A (en) * | 2008-07-02 | 2010-01-12 | 한국전기연구원 | Guidance control system for magnetically-guided lift |
| WO2010108484A1 (en) * | 2009-03-24 | 2010-09-30 | Josef Wiegand Gmbh & Co. Kg | Braking device for a rail-guided carriage |
| CN201634327U (en) * | 2009-09-23 | 2010-11-17 | 南通润邦重机有限公司 | Magnetic sensitive control and anchoring device for gantry crane |
| CN201560056U (en) * | 2009-11-13 | 2010-08-25 | 天津起重设备有限公司 | Magnetic suspension wheelless rail type crane |
| CN203833495U (en) * | 2014-05-28 | 2014-09-17 | 太原高科锐志物流仓储设备有限公司 | Upper end braking device for stacking machine |
| CN107206977A (en) * | 2014-08-20 | 2017-09-26 | 高新技术有限责任公司 | Eddy-current brake equipment for linear system |
| CN105114495A (en) * | 2015-07-28 | 2015-12-02 | 山东科技大学 | Electromagnetic disc brake for vehicle |
| CN106185682A (en) * | 2016-03-11 | 2016-12-07 | 焦作市华鹰机电技术有限公司 | High-performance electric magnet aid force deadman's brake and directly drive elevator |
| CN209038889U (en) * | 2018-09-15 | 2019-06-28 | 大连市甘井子区炳林铆焊厂 | A kind of crane electromagnetism telescopic clamp rail anchoring device |
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Application publication date: 20200114 |