CN110065895B - Direct current winch lifting mechanism capable of generating electricity in descending mode - Google Patents
Direct current winch lifting mechanism capable of generating electricity in descending mode Download PDFInfo
- Publication number
- CN110065895B CN110065895B CN201910337639.1A CN201910337639A CN110065895B CN 110065895 B CN110065895 B CN 110065895B CN 201910337639 A CN201910337639 A CN 201910337639A CN 110065895 B CN110065895 B CN 110065895B
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- CN
- China
- Prior art keywords
- motor
- coil
- control
- motor excitation
- excitation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005611 electricity Effects 0.000 title claims description 9
- 230000005284 excitation Effects 0.000 claims abstract description 66
- 230000001174 ascending effect Effects 0.000 claims abstract description 9
- 238000010248 power generation Methods 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000003921 oil Substances 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
- B66D1/22—Planetary or differential gearings, i.e. with planet gears having movable axes of rotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
- B66D1/74—Capstans
- B66D1/7489—Capstans having a particular use, e.g. rope ascenders
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Abstract
A direct current winch lifting mechanism for lowering power generation, comprising: the motor excitation left soft coil (1), the motor excitation hard coil (2), the control ascending switch (3), the motor rotor (4), the diode (5), the control descending switch (6), the control contactor (7), the motor excitation right soft coil (8), the guide groove rope drum (11), the rope discharge pressing pipe (12) and the like, the control ascending switch (3) can control the motor excitation hard coil (2) and the motor rotor (4) to be connected in series and then the motor excitation left soft coil (1) and the motor excitation right soft coil (8) are connected in parallel with the motor rotor (4), the control descending switch (6) can control the motor excitation hard coil (2) to work reversely and conduct the motor rotor (4) through the control contactor (7), the motor excitation left soft coil (1) and the motor excitation right soft coil (8) are connected in parallel and then reversely connected with the motor rotor (4) in parallel, and when the two switches are simultaneously turned on, the motor is accelerated and lifted.
Description
Technical Field
The invention relates to a lifting mechanism of a direct current winch for descending power generation, which consists of a motor excitation soft coil, a motor excitation hard coil, a motor rotor, a control switch, a control contactor, a motor constant-voltage carbon brush, an electromagnetic brake, a guide groove rope drum, a rope-arranging pressure tube and a planet wheel reduction gearbox, and belongs to the field of electromechanical integration products, and the lifting mechanism is widely applied to the fields of electric fork trucks, automobile loading electric tail boards and the like needing lifting.
Background
Along with the rapid rise of labor cost and factory rent, the markets of products such as electric forklifts, electric fork-lift trucks, automobile loading electric tail boards and the like are getting larger, and furthermore, the demand of small direct-current power units matched with the equipment is also increasing.
At present, a direct-current hydraulic power unit is widely used, a direct-current motor drives a gear oil pump to rotate to generate high-pressure oil, then the high-pressure oil is supplied to a lifting oil cylinder through a pipeline and a control valve system, the oil cylinder lifts a chain wheel to generate lifting and descending actions, the oil pressure system works stably, but a pipeline joint and a control system are complex, oil leakage is easy to age, the working efficiency of the oil pump and the oil cylinder is low, the cost is high, and the maintenance is difficult.
There is the electronic high car of piling up that adopts electric block to join in marriage wire rope in the market, but exchange electric block to piling up the high car inconvenient that has the removal demand, moreover, use exchanging high voltage power supply on the transfer machine of removal also not enough safety.
There are piling up cars that use hand winch to match steel wire rope in the market, but work efficiency is low, and the requirement for manpower is high.
A general direct current winch in the market cannot be used as a lifting mechanism because of unstable braking force, and the rotating speed in the descending direction is easy to overspeed, so that the damage to the machine is large and the safety is not enough.
Disclosure of Invention
In order to solve the problems that the direct current hydraulic power unit is complex in structure, high in cost and difficult to maintain, and the alternating current electric hoist is inconvenient and safe, and efficiency is improved, the direct current winch lifting mechanism for descending power generation provided by the invention has the advantages that a control switch and a control contactor are used for controlling each motor exciting coil of the direct current winch to work as required, the planetary gear reduction box and the guide groove rope drum are directly driven after the motor is subjected to electromagnetic braking, lifting or descending actions are generated through the steel wire rope, in addition, the speed is reduced during descending, the motor is driven to generate power under the action of external force, the efficiency is high, the structure is simple, and the maintenance is easy.
The technical scheme adopted for solving the technical problems is as follows: the DC winch lifting mechanism for descending power generation comprises a motor excitation left soft coil, a motor excitation hard coil, a control ascending switch, a motor rotor, a diode, a control descending switch, a control contactor, a motor excitation right soft coil, a motor constant voltage carbon brush, an electromagnetic brake, a guide groove rope drum, a rope arranging pressure pipe and a planetary gear reduction box, wherein the motor excitation left soft coil and the motor excitation right soft coil are composed of a plurality of enamelled thin wires and are arranged in a bilateral symmetry manner, the motor excitation hard coil is composed of a few strands of thick copper wires and are arranged in a vertical symmetry manner in series, the control ascending switch can control the motor excitation hard coil and the motor rotor to be connected in series and then connect the motor excitation left soft coil and the motor excitation right soft coil in parallel with the motor rotor after being rotated to generate lifting action, the control descending switch can control the motor excitation hard coil to reversely work and conduct the motor rotor through the control contactor, and reversely connect the motor excitation left soft coil and the motor excitation right soft coil in parallel, and then the motor is reversely connected with the motor rotor in parallel, the descending action is generated after the motor reversely decelerates and rotates, and the motor is driven by external force to generate electricity outwards, the diode arranged between the motor excitation left soft coil and the motor excitation right soft coil can control the motor excitation left soft coil and the motor excitation right soft coil to parallelly connect and work correctly, and the requirement of one switch can be reduced, the control ascending switch is connected with the control descending switch, when the two switches are simultaneously opened by misoperation, the short circuit coil is disconnected, the motor and the electric appliance circuit are protected, meanwhile, only the motor excitation hard coil and the motor rotor work to form the series excited motor, the acceleration lifting is realized, the planetary wheel works correctly and power is transmitted into the reduction gearbox and the guide groove rope drum under the action of the control system, and under the cooperation of the fixed pulleys at the high position, the deflection angle of the steel wire rope is small, the steel wire rope is arranged in sequence, after power failure, the electromagnetic brake is used for braking to ensure safety, the motor constant-voltage carbon brush can use a longer motor carbon brush and keep the pressure constant, and the service life of the motor is prolonged.
The beneficial effects of the invention are as follows: the motor directly drives mechanical parts such as planetary reduction gearbox, and the mechanism is simple, and is efficient, maintains the convenience, and motor rotational speed is stable and can decline the electricity generation, and energy utilization is high, uses this direct current capstan winch hoist mechanism who descends electricity generation on the machines that need promote such as electric fork truck and car loading electric tailboard, has the novelty.
Drawings
FIG. 1 is a schematic axial front view of an electric motor of the present invention;
FIG. 2 is a schematic diagram of the main assembly of the DC winch of the present invention;
marked in the figure as: 1, exciting a left soft coil by a motor; 2, exciting a hard coil by a motor; 3, controlling a rising switch; 4, a motor rotor; a 5 diode; 6, controlling a falling switch; 7, controlling a contactor; 8, exciting a right soft coil by a motor; 9, a constant-voltage carbon brush of the motor; 10, electromagnetic braking; 11 a rope drum with a guide groove; 12 rows of rope pressing pipes; 13 planetary gear reduction box.
Detailed Description
The invention relates to a lifting mechanism of a direct current winch for descending power generation, which is shown in the accompanying drawings 1 and 2, and comprises the following components: the device comprises a motor excitation left soft coil (1), a motor excitation hard coil (2), a control ascending switch (3), a motor rotor (4), a diode (5), a control descending switch (6), a control contactor (7), a motor excitation right soft coil (8), a motor constant-voltage carbon brush (9), an electromagnetic brake (10), a guide groove rope drum (11), a rope arranging pressure pipe (12) and a planet gear reduction box (13). The motor excitation left flexible coil (1) and the motor excitation right flexible coil (8) are composed of a plurality of enamelled thin wires and are symmetrically arranged left and right, the motor excitation hard coil (2) is composed of a few strands of blister copper wires and are symmetrically arranged up and down in series, the control rising switch (3) is of a two-way structure, the motor excitation hard coil (2) and the motor rotor (4) can be controlled to be connected in series, the motor excitation left flexible coil (1) and the motor excitation right flexible coil (8) are connected in parallel with the motor rotor (4) after being connected in series, a compound excitation motor is formed, the motor rotation speed is stabilized, the motor has larger overload capacity, lifting action is generated after the motor rotates, the control falling switch (6) is of a two-way structure, the contactor (7) is controlled to control the motor excitation hard coil (2) to work reversely and conduct the motor rotor (4) and connect the motor excitation left soft coil (1) and the motor excitation right soft coil (8) in parallel and then reversely connected with the motor rotor (4) in parallel, thus the motor parallel excitation field can be increased, the motor is reversely decelerated and stabilized to generate descending motion and generate electricity under the driving of external force with high efficiency, the electric energy is recovered with high efficiency, the diode (5) arranged between the motor excitation left soft coil (1) and the motor excitation right soft coil (8) can control the motor excitation left soft coil (1) and the motor excitation right soft coil (8) to work correctly in parallel, the requirement of a switch can be reduced, the control circuit is simplified, the control ascending switch (3) is locked and connected with the control descending switch (6), when two switches are simultaneously opened by misoperation, the short-circuit coil is disconnected, a motor and an electric appliance circuit are protected, meanwhile, only the motor excitation hard coil (2) and the motor rotor (4) work to form a series excited motor, because a parallel excited magnetic field is reduced, the motor is accelerated and lifted, the motor works correctly and transmits power into the planetary gear reduction box (13) and the guide groove rope drum (11) under the action of the control system, under the action of the rope arranging pressing pipe (12) and the cooperation of a fixed pulley at a high position, the deflection angle of a steel wire rope is small, the steel wire rope is orderly arranged, after power is cut off, the electromagnetic brake (10) is braked to ensure safety, and the motor constant-voltage carbon brush (9) can use a longer motor carbon brush and keep the pressure constant, so that the service life of the motor is prolonged.
As shown in figure 2, the coil of the electromagnetic brake (10) is connected with the motor excitation hard coil (2), and when the control contactor (7) is disconnected, the coil of the electromagnetic brake (10), the motor excitation hard coil (2) and the motor rotor (4) form a follow current loop, so that the service life of the control contactor (7) and the circuit safety can be improved.
The lifting mechanism of the direct current winch for descending power generation is not limited to being only matched with a steel wire rope, and can be matched with a chain wheel and a connecting rod mechanism to form a new lifting mechanism or applied to products such as automobile loading electric tail plates.
Claims (3)
1. A direct current winch lifting mechanism for lowering power generation, comprising: the device comprises a motor excitation left soft coil (1), a motor excitation hard coil (2), a control ascending switch (3), a motor rotor (4), a diode (5), a control descending switch (6), a control contactor (7), a motor excitation right soft coil (8), a motor constant voltage carbon brush (9), an electromagnetic brake (10), a guide groove rope drum (11), a rope arranging pressure pipe (12) and a planet gear reduction box (13), and is characterized in that: the motor excitation left soft wire coil (1) and the motor excitation right soft wire coil (8) are symmetrically arranged left and right, the motor excitation hard wire coil (2) is connected in series in an up-down symmetrical mode, the control ascending switch (3) can control the motor excitation hard wire coil (2) and the motor rotor (4) to be connected in series and then connected with the motor rotor (4) in parallel, the control descending switch (6) can control the motor excitation hard wire coil (2) to reversely work and conduct the motor rotor (4) through the control contactor (7), the motor excitation left soft wire coil (1) and the motor excitation right soft wire coil (8) are connected in parallel and then reversely connected with the motor rotor (4) in parallel, the motor is reversely decelerated and stabilized after the motor rotates, the motor is driven by external force to generate electricity, the diode (5) arranged between the motor excitation left soft wire coil (1) and the motor excitation right soft wire coil (8) can control the motor excitation left soft wire coil (1) and the motor excitation right soft wire coil (8) to be connected in parallel, the control descending switch (3) to work in parallel, and the motor excitation right soft wire coil (8) is disconnected when the control descending switch (3) is correctly connected, and the motor is opened at the same time.
2. A direct current winch lifting mechanism for lowering and generating electricity as claimed in claim 1, wherein: the motor power is transmitted into a planetary gear reduction box (13) and a guide groove rope drum (11), under the action of a rope arranging and pressing pipe (12), the steel wire ropes are arranged in sequence, and after power is off, the electromagnetic brake (10) is used for braking to ensure safety, and the motor constant-voltage carbon brush (9) can prolong the service life of the motor.
3. A direct current winch lifting mechanism for lowering and generating electricity as claimed in claim 1, wherein: the coil of the electromagnetic brake (10) is connected with the motor excitation hard coil (2), and when the control contactor (7) is disconnected, the coil of the electromagnetic brake (10), the motor excitation hard coil (2) and the motor rotor (4) form a follow current loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337639.1A CN110065895B (en) | 2019-04-22 | 2019-04-22 | Direct current winch lifting mechanism capable of generating electricity in descending mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337639.1A CN110065895B (en) | 2019-04-22 | 2019-04-22 | Direct current winch lifting mechanism capable of generating electricity in descending mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110065895A CN110065895A (en) | 2019-07-30 |
| CN110065895B true CN110065895B (en) | 2024-03-22 |
Family
ID=67368815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910337639.1A Active CN110065895B (en) | 2019-04-22 | 2019-04-22 | Direct current winch lifting mechanism capable of generating electricity in descending mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110065895B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113772572B (en) * | 2021-09-26 | 2023-03-24 | 枣庄矿业（集团）有限责任公司柴里煤矿 | Energy-saving hoisting winch for coal mine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB316111A (en) * | 1928-03-15 | 1929-07-15 | John Edward Allan | Improvements relating to the control of electric motors and generators |
| GB451133A (en) * | 1935-04-30 | 1936-07-30 | Gen Electric Co Ltd | Improvements in or relating to emergency braking means for electric winders |
| CN2702434Y (en) * | 2003-10-04 | 2005-05-25 | 刘硕毅 | A high-current reverse controlled integrated relay |
| TW200903953A (en) * | 2007-07-13 | 2009-01-16 | Nat Univ Chung Hsing | Single pole magnetism brushless DC and AC mixed generator |
| CN205385424U (en) * | 2016-02-03 | 2016-07-13 | 常州市武进永恒电器有限公司 | Domestic garage parking of direct current motor |
| CN206948119U (en) * | 2017-06-29 | 2018-01-30 | 平湖市云明五金电器配件有限公司 | DC injection braking motor with constant pressure carbon brush |
| CN206948163U (en) * | 2017-07-13 | 2018-01-30 | 海盐龙博直流电机有限公司 | Variable power series dc motor |
| CN210127043U (en) * | 2019-04-22 | 2020-03-06 | 杭州广力机电科技有限公司 | Direct current winch lifting mechanism capable of descending to generate electricity |
-
2019
- 2019-04-22 CN CN201910337639.1A patent/CN110065895B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB316111A (en) * | 1928-03-15 | 1929-07-15 | John Edward Allan | Improvements relating to the control of electric motors and generators |
| GB451133A (en) * | 1935-04-30 | 1936-07-30 | Gen Electric Co Ltd | Improvements in or relating to emergency braking means for electric winders |
| CN2702434Y (en) * | 2003-10-04 | 2005-05-25 | 刘硕毅 | A high-current reverse controlled integrated relay |
| TW200903953A (en) * | 2007-07-13 | 2009-01-16 | Nat Univ Chung Hsing | Single pole magnetism brushless DC and AC mixed generator |
| CN205385424U (en) * | 2016-02-03 | 2016-07-13 | 常州市武进永恒电器有限公司 | Domestic garage parking of direct current motor |
| CN206948119U (en) * | 2017-06-29 | 2018-01-30 | 平湖市云明五金电器配件有限公司 | DC injection braking motor with constant pressure carbon brush |
| CN206948163U (en) * | 2017-07-13 | 2018-01-30 | 海盐龙博直流电机有限公司 | Variable power series dc motor |
| CN210127043U (en) * | 2019-04-22 | 2020-03-06 | 杭州广力机电科技有限公司 | Direct current winch lifting mechanism capable of descending to generate electricity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110065895A (en) | 2019-07-30 |
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