CN109958365B - Electric lifting device and application thereof - Google Patents
Electric lifting device and application thereof Download PDFInfo
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- CN109958365B CN109958365B CN201811546353.6A CN201811546353A CN109958365B CN 109958365 B CN109958365 B CN 109958365B CN 201811546353 A CN201811546353 A CN 201811546353A CN 109958365 B CN109958365 B CN 109958365B
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- micro switch
- shell
- lifting device
- ball screw
- fixed pulley
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 230000009467 reduction Effects 0.000 claims abstract description 3
- 230000006835 compression Effects 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 22
- 230000007613 environmental effect Effects 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 244000144972 livestock Species 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 244000144977 poultry Species 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K5/00—Feeding devices for stock or game ; Feeding wagons; Feeding stacks
- A01K5/02—Automatic devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H5/00—Devices for drawing draperies, curtains, or the like
- A47H5/02—Devices for opening and closing curtains
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/71—Power-operated mechanisms for wings with automatic actuation responsive to temperature changes, rain, wind or noise
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
- E05F15/75—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects responsive to the weight or other physical contact of a person or object
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B2009/6809—Control
- E06B2009/6818—Control using sensors
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B2009/6809—Control
- E06B2009/689—Control using end switches
Abstract
The invention discloses an electric lifting device and application thereof, and relates to the field of lifting. The lifting device comprises a shell, a driving mechanism, a transmission mechanism and a limiting mechanism which are arranged in the shell, and also comprises an electric control system; the driving mechanism comprises a speed reducing motor; the transmission mechanism comprises a ball screw and a nut, one end of the ball screw is connected with the output end of the speed reduction motor through a coupler, and the other end of the ball screw is rotationally connected to the shell; the nut is arranged on the ball screw and meshed with the ball screw; the limiting mechanism comprises a limiting rod, a limiting block, a sliding block, a touch pad, an upper micro switch and a lower micro switch; the electrical control system includes a controller. The lifting device has the beneficial effects that the lifting device can automatically stop running after reaching the set position, the use safety of the lifting device is improved, and the limiting blocks can be set at different positions on the limiting rod, so that the lifting height of the lifting device can be adjusted to meet the demands of different occasions.
Description
Technical Field
The invention relates to the technical field of hoisting tools, in particular to an electric lifting device and application thereof.
Background
In factories, door and window forms such as roller shutters, sliding shutters, shutters and blind are widely used, and ventilation, indoor temperature and humidity and the like can be adjusted by changing the size of the openings of such curtains. In addition, in the field of intelligent livestock feeding, the size of an opening of a measuring cup is controlled to change the feeding amount of feed and the like, so that accurate feed feeding is also important. The opening sizes of the doors and windows and the quantitative cups are controlled by automatic lifting devices.
In the prior art, the automatic lifting device mostly adopts a motor to drive the transmission device to do linear reciprocating motion after being decelerated by the decelerator, thereby driving the door and window to lift or driving the baffle plate at the opening of the quantitative cup to move back and forth, and further controlling the size of the opening. However, the lifting device in the prior art cannot automatically change the travel direction; meanwhile, a protection device is not arranged, when the openings such as a door curtain and the like reach the maximum or minimum, automatic power-off cannot be realized, manual control is needed, and the use is unsafe.
Chinese patent CN 204081966U discloses a manual/electric two-purpose electric door rolling machine limit mechanism, which comprises a housing, a driving screw, a slider, a left stop block, a left travel switch, a right stop block, a right travel switch, a guide rod, a locking bolt and a nut; the transmission screw is fixedly connected to the shell and can rotate around the axis of the transmission screw; the left side travel switch is arranged on the left side stop block, and the right side travel switch is arranged on the right side stop block; the sliding block is in spiral connection with the transmission screw rod, is fixedly connected to the guide rod and can axially move along the guide rod; the guide rod is fixedly connected to the shell, and the left stop block and the right stop block are fixedly connected to the guide rod; the locking bolt and the nut are fixedly connected to the left stop block and the right stop block.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects in the prior art: an electric lifting device and an application thereof are provided.
The technical scheme of the invention is as follows:
an electric lifting device comprises a shell, a driving mechanism, a transmission mechanism and a limiting mechanism which are arranged in the shell, and also comprises an electric control system;
the driving mechanism comprises a speed reducing motor, and the speed reducing motor drives the transmission mechanism to move;
the transmission mechanism comprises a ball screw and a nut, one end of the ball screw is connected with the output end of the speed reduction motor through a coupler, and the other end of the ball screw is rotatably connected to the shell; the nut is arranged on the ball screw and meshed with the ball screw;
the limiting mechanism comprises a limiting rod, a limiting block, a sliding block, a touch pad, an upper micro-switch and a lower micro-switch; the limiting rod is movably arranged in the shell and is parallel to the ball screw; one end of the sliding block is fixedly connected to the nut, and the other end of the sliding block is sleeved on the limiting rod and is movably connected with the limiting rod; the limiting block is fixedly arranged on the limiting rod and positioned on two sides of the sliding block; the touch pad is arranged at one end part of the limiting rod, which is close to the speed reducing motor; the upper micro switch and the lower micro switch are arranged at the upper end and the lower end of the touch panel at intervals, namely the touch panel is positioned between the contacts of the micro switch, and the touch panel can be contacted with or separated from the contacts of the upper micro switch or the lower micro switch along with the up-down movement of the limiting rod in the shell;
the electric control system comprises a controller, a wiring terminal is arranged in the shell, the motor, the upper micro switch and the lower micro switch are connected to the wiring terminal through wires, and the other end of the wiring terminal is electrically connected with the controller and a power supply; when the touch pad contacts the upper micro switch or the lower micro switch, the upper micro switch or the lower micro switch transmits signals to the controller, and the controller controls the speed reducing motor to stop running.
As a preferable technical scheme, the limiting mechanism further comprises a compression spring sleeved on the limiting rod; a motor support plate sleeved on the limiting rod is further arranged in the shell; the compression springs are positioned at two ends of the motor support plate, one end, away from the motor support plate, of each compression spring is fixedly connected to the limiting rod, and one end, close to the motor support plate, of each compression spring is movably connected to the limiting rod; the limit rod can move along the direction perpendicular to the motor support plate and compress the compression spring.
As the preferable technical scheme, the two ends of the motor supporting plate are horizontally fixed on the shell through bolts, and the motor is fixed on the motor supporting plate through bolts.
As a preferable technical scheme, a fixed pulley is also arranged in the shell, and the fixed pulley is arranged at one end of the ball screw far away from the speed reducing motor; a fixed pulley fixing plate is arranged in the shell in a relative manner, and a central shaft of the fixed pulley is fixed on the fixed pulley fixing plate; and through openings are formed in the side walls of the two sides of the shell, and the openings are positioned at the two ends of the fixed pulley.
As a preferable technical scheme, the fixed pulleys comprise a first fixed pulley, a second fixed pulley and a third fixed pulley, the first fixed pulley, the second fixed pulley and the third fixed pulley are arranged in the shell at intervals along the horizontal direction, and one sides of the first fixed pulley and the third fixed pulley, which are close to the shell, extend outwards from the shell through the opening.
As a preferable technical scheme, a screw supporting plate is arranged in the shell, and two ends of the screw supporting plate are horizontally fixed on the shell through bolts; the screw supporting plate is provided with a clamping hole, a bearing supporting seat is arranged in the clamping hole, a bearing is arranged in the bearing supporting seat, and the lower end of the ball screw is rotationally connected in the bearing; the screw supporting plate is also provided with a through hole for a steel wire rope connected with the sliding block to pass through.
As an optimal technical scheme, the number of the through holes is 2, and the through holes are respectively positioned at two ends of the bearing support seat.
As the preferable technical scheme, be equipped with screw rod fixed plate and bearing fixing base and bearing in the casing, this bearing rotates the setting and is in ball screw's upper end, and this bearing fixing base cover is established on this bearing, and the bearing fixing base passes through the bolt fastening on screw rod fixed plate, screw rod fixed plate's both ends pass through the bolt fastening in the casing.
As a preferable technical scheme, the inner side wall of the shell is provided with sliding grooves parallel to the ball screw, and two ends of the sliding block are positioned in the sliding grooves and can move along the sliding grooves; the shell is cuboid with an opening on one surface, and the opening surface is hinged with a shell cover; the upper micro-switch and the lower micro-switch are positioned at one end close to the opening of the shell, and the limiting rod is positioned at the inner sides of the upper micro-switch and the lower micro-switch. The upper micro-switch and the lower micro-switch are arranged at one end close to the opening of the shell, so that the micro-switch can be maintained conveniently.
The invention also provides another technical scheme, and the electric lifting device is applied to a door and window roller shutter and/or a sliding curtain and/or a small window, wherein a sliding block on the nut is connected with the door and window roller shutter and/or the sliding curtain and/or the small window, and the door and window roller shutter and/or the sliding curtain and/or the small window are closed or opened along with the movement of the sliding block; the controller is an environment controller, and the lifting device is also electrically connected with a temperature sensor and a humidity sensor; the temperature sensor and the humidity sensor are arranged in a room provided with a door and window roller shutter and/or a sliding curtain and/or a small window, wherein:
presetting a highest temperature threshold and a lowest temperature threshold of the temperature sensor, acquiring indoor environmental temperature data through the temperature sensor, transmitting the temperature data to the environmental controller by the temperature sensor when the indoor temperature is higher than the highest temperature threshold or lower than the lowest temperature threshold, driving the gear motor to rotate forwards or reversely by the environmental controller through the motor driving circuit, and opening or closing the door and window roller shutter and/or the sliding curtain and/or the small window until the touch panel touches an upper micro switch or a lower micro switch, wherein the upper micro switch or the lower micro switch transmits an electric signal to the environmental controller, and controlling the gear motor to stop running by the environmental controller;
the method comprises the steps that the highest humidity threshold and the lowest humidity threshold of a humidity sensor are preset, indoor environment humidity data are collected through the humidity sensor, when the indoor temperature is higher than the highest humidity threshold or lower than the lowest humidity threshold, the humidity sensor transmits the humidity data to an environment controller, the environment controller drives a gear motor to rotate forwards or reversely through a motor driving circuit, a door and window roller shutter and/or a sliding shutter and/or a small window are opened or closed until a touch panel touches an upper micro switch or a lower micro switch, the upper micro switch or the lower micro switch transmits an electric signal to the environment controller, and the environment controller controls the gear motor to stop running.
The beneficial effects of the invention are as follows: compared with the prior art, the invention has the following advantages:
1. according to the invention, the adjustment of the stroke position of the lifting device is realized by arranging the limiting rod, the limiting block and the micro-control switch, and the lifting device is controlled to automatically stop running after the stroke position is reached, specifically, the sliding block moving along with the nut contacts and pushes the limiting block to move along with the limiting block, so that the touch plate on the limiting rod contacts the micro-control switch, namely the stroke switch, and the micro-control switch transmits an electric signal to the controller to control the motor to stop running, namely the lifting device automatically stops running after the electric signal reaches the set position, and the use safety of the lifting device is improved. And the limiting blocks can be arranged at different positions on the limiting rods, so that the lifting height of the lifting device can be adjusted to meet the requirements of different occasions.
2. According to the invention, the compression spring is arranged on the limiting rod, and the limiting rod, the limiting block and the touch pad can be driven to return to the initial position through rebound of the compression spring, so that the touch pad is separated from the micro switch, and the lifting device can operate when the motor is started again; meanwhile, the position of the limiting block is not changed, namely the set stroke position is not changed.
3. According to the lifting device, the plurality of fixed pulleys are arranged in the shell, so that different fixed pulleys can be connected according to specific conditions, and through the combination of different fixed pulleys, the lifting of a single object to be lifted, such as a door window or a partition plate with an opening of a quantitative cup, or the lifting of two objects to be lifted can be realized through the lifting device.
4. The invention is connected with the lifting device through the environment controller, the temperature sensor and the humidity sensor, the lifting device is connected with a door curtain and the like, an electric signal is transmitted to the environment controller through the temperature sensor and the humidity sensor, and the environment controller controls the operation of the motor, so that the lifting device is controlled to lift or fall, and the door curtain can be controlled to be opened or closed, thereby adjusting the indoor environment temperature and humidity.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a portion of a three-dimensional structure of the present invention;
FIG. 3 is a schematic diagram showing a partial perspective view of the present invention; a step of
FIG. 4 is a schematic diagram of a second perspective structure of the present invention;
FIG. 5 is a schematic diagram showing the structure of embodiment 3;
FIG. 6 is a schematic diagram of a second embodiment 3;
FIG. 7 is a schematic structural diagram of embodiment 6;
reference numerals in the drawings: 10. a housing; 11. a motor support plate; 12. an opening; 13. waterproof joint of corrugated hose; 14. a screw support plate; 15. a bearing support; 16. a through hole; 17. a screw fixing plate; 18. a bearing fixing seat; 19. a chute; 20. a cover; 31. a speed reducing motor; 32. a coupling; 41. a ball screw; 42. a nut; 51. a limit rod; 52. a limiting block; 53. a slide block; 54. a touch pad; 55. an upper micro switch; 56. a lower micro switch; 57. a compression spring; 61. a first fixed pulley; 62. a second fixed pulley; 63. a third fixed pulley; 64. a fixed pulley fixing plate; 65. a wire rope; 66. an object to be lifted; 71. and a connection terminal.
Detailed Description
The present invention will be described in further detail with reference to the following specific examples, but the present invention is not limited to the following specific examples.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
Example 1
As shown in fig. 1-2, the lifting device in this embodiment comprises a housing 10, a driving mechanism, a transmission mechanism, a limiting mechanism and an electrical control system, wherein the driving mechanism, the transmission mechanism and the limiting mechanism are arranged in the housing 10; in this embodiment, the casing 10 is a cuboid with an opening on one side, the casing side wall is further hinged with a casing cover 20 disposed on the opening surface, a lock catch is disposed on the inner wall of the casing cover 20, and the casing cover 20 is fixed on the casing 10 through the lock catch.
The driving mechanism is used for driving the transmission mechanism to move; specifically, the driving mechanism includes a gear motor 31, the gear motor 31 is fixedly arranged in the housing 10, and the ball screw 41 in the transmission mechanism is driven to rotate by the gear motor 31; the speed reducing motor is selected from ZB series speed reducers manufactured by Dali De intelligent transmission Co., ltd.
The transmission mechanism comprises a ball screw 41 and a nut 42 which are matched, one end of the ball screw 41 is connected with the output end of the gear motor 31 through a coupler 32, and the other end is rotatably connected with the shell 10; the nut 42 is provided on the ball screw 41.
The limiting mechanism comprises a limiting rod 51, a limiting block 52, a sliding block 53, a touch pad 54, an upper micro switch 55 and a lower micro switch 56; the limit rod 51 is movably arranged in the shell 10 and is parallel to the ball screw 41, i.e. the limit rod 51 can move up and down in the shell 10 along the direction parallel to the ball screw 41; one end of the sliding block 53 is fixedly connected to the outer wall of the nut 42, the other end of the sliding block 53 is sleeved on the limiting rod 51 and is movably connected with the limiting rod 51, in the embodiment, the sliding block 53 is vertically and fixedly sleeved on the outer wall of the nut 42, the other end of the sliding block 53 is provided with a through hole, and the sliding block 53 is movably sleeved on the limiting rod 51 through the through hole, namely, the sliding block 53 can move along the limiting rod 51 along with the nut 42. The limiting block 52 is fixedly sleeved on the limiting rod 51 and positioned at two sides of the sliding block 53, and the diameter of the limiting block 52 is larger than the size of a through hole on the sliding block 53; that is, when the slider 53 moves along the stop rod 51 together with the nut 42, the slider can contact and push the stop block 52 to move together; the touch pad 54 is arranged at one end part of the limit rod 51, which is close to the motor 2; the upper micro switch 55 and the lower micro switch 56 are fixedly arranged in the shell 1 and are arranged at the upper end and the lower end of the touch pad 54 at intervals, namely the touch pad 54 is positioned between the contacts of the upper micro switch 55 and the lower micro switch 56, and the touch pad 54 can be contacted with or separated from the contacts of the upper micro switch 55 or the lower micro switch 56 along with the up-down movement of the limit rod 51 in the shell 10; the upper micro switch 55 and the lower micro switch 56 are positioned at one end close to the opening of the casing 10, and the limit rod 51 is positioned at the inner sides of the upper micro switch 55 and the lower micro switch 56.
The electrical control system is used for controlling the operation of the driving mechanism and the limiting mechanism, and specifically comprises a controller, wherein the controller is electrically connected with the gear motor 31, the upper micro switch 55 and the lower micro switch 56; a wiring terminal 71 is provided in the housing 10, the speed reducing motor 31, the upper micro switch 55 and the lower micro switch 56 are connected to the wiring terminal 7 through wires, and the other end of the wiring terminal 71 is electrically connected to a controller and a power supply. When the touch pad 54 contacts the upper micro switch 55 or the lower micro switch 56, the upper micro switch 55 or the lower micro switch 56 transmits an electric signal to the controller, and the controller controls the gear motor 31 to stop running. The controller is selected from a Z-TEC12 type environmental control instrument manufactured by Jiangxi Zangxin technology Co., ltd, and the upper micro switch 55 and the lower micro switch 56 are selected from YBLXW-5/11N1 type micro switches manufactured by Tiande electric appliances (Shanghai) Co., ltd.
The working principle of the embodiment is as follows: when the device is used, the door and window or the opening partition plate of the quantitative cup and other parts needing to be lifted are connected with the nut 42, the gear motor 31 is communicated with a power supply and is started, the gear motor 31 rotates, so that the ball screw 41 is driven to rotate, the ball screw 41 rotates to drive the nut 42 to do linear reciprocating motion, and the door and window or the opening partition plate of the quantitative cup and other parts needing to be lifted are driven to do linear reciprocating motion; meanwhile, the slider 53 fixed to the nut 42 also reciprocates together with the nut 42, and the other end of the slider 53 reciprocates along the stopper rod 51; when the sliding block 53 moves along with the nut 42 and approaches to and contacts with the limiting block 52 on the limiting rod 51, so as to drive the limiting block 52 to move together, namely drive the limiting rod 51 to move together, the touch plate 54 positioned at the end part of the limiting rod 51 also moves along with the limiting rod 51 until the touch plate 54 contacts with the contact on the upper micro-switch 55 or the lower micro-switch 56, the upper micro-switch 55 or the lower micro-switch 56 transmits a signal to the controller, and the controller controls the gear motor 31 to stop rotating, so that the automatic stop operation of the lifting device can be realized; and the limiting block 52 can be set at different positions on the limiting rod 51, so that the lifting height of the lifting device can be adjusted to meet the requirements of different occasions.
Example 2
As shown in fig. 1-2, in this embodiment, a compression spring 57 is added on the basis of embodiment 1, specifically, the limiting mechanism further includes a compression spring 57 sleeved on the limiting rod 51; meanwhile, a motor support plate 11 perpendicular to the ball screw 41 is further disposed in the housing 10, two ends of the motor support plate 11 are fixed in the housing 10 through bolts, the lower end of the gear motor 31 is fixed on the motor support plate 11 through bolts, and an output shaft of the gear motor 31 penetrates through the motor support plate 11 to be connected with a coupler 31 located below the motor support plate 11. The motor supporting plate 11 is provided with a through hole, the limiting rod 51 is arranged in the through hole, and the limiting rod 51 can move up and down in the through hole; the number of the compression springs 57 is 2, the two compression springs 57 are respectively sleeved on the limiting rods 51 positioned at the two ends of the motor supporting plate 11, one end, far away from the motor supporting plate 11, of each compression spring 57 is fixedly connected to the limiting rod 51, and one end, close to the motor supporting plate 11, of each compression spring 57 is movably connected to the limiting rod 51; so that the slider 53 contacts and pushes the stopper 52 to contact the touch pad 54 as the nut 42 moves up and down, and the stopper rod 51 moves up and down together; and the compression spring 57 cannot be compressed with the movement due to the blocking of the motor support plate 11.
By arranging the compression spring 57 on the limiting rod 51, the limiting block 52 and the touch pad 54 can be driven to return to the initial positions by the rebound of the compression spring 57, so that the touch pad 54 leaves the upper micro switch 55 or the lower micro switch 56, and the lifting device can operate when the gear motor 31 is started again; at the same time, the position of the limiting block 52 is not changed, i.e. the set travel position is not changed.
Example 3
As shown in fig. 2 to 6, in this embodiment, a fixed pulley is added on the basis of embodiment 1, specifically, a fixed pulley is further disposed in the housing 10, and the fixed pulley is disposed at an end of the ball screw 41 away from the gear motor 2; a fixed pulley fixing plate 64 is arranged in the shell 10 in an opposite manner, and the central shaft of the fixed pulley is fixed on the fixed pulley fixing plate 64; in the present embodiment, a screw support plate 14 perpendicular to the ball screw 41 is provided in the housing 10, and both ends of the screw support plate 14 are horizontally fixed to the housing 10 by bolts; the screw support plate 14 is provided with a clamping hole, a bearing support seat 15 is arranged in the clamping hole, the bearing support seat 15 is fixed on the screw support plate 14 through a bolt, and the lower end of the ball screw 41 is rotationally connected in the bearing support seat 15; the bearing support seat 15 is further provided with 2 through holes 16 for a steel wire rope connected with the nut 42 to pass through, and the two through holes 16 are respectively positioned at two ends of the bearing support seat 15.
The number and the positions of the fixed pulleys can be set according to specific situations. In this embodiment, the fixed pulleys are disposed below the screw support plate 14, and the fixed pulleys are three, namely, a first fixed pulley 61, a second fixed pulley 62 and a third fixed pulley 63, the first fixed pulley 61, the second fixed pulley 62 and the third fixed pulley 63 are disposed at intervals along the direction parallel to the screw support plate 14, and the first fixed pulley 61 and the third fixed pulley 63 are located at the same height; the side walls of the left and right sides of the housing 1 are provided with through openings 12, the openings 12 are positioned at two ends of the fixed pulleys, specifically, one side of the first fixed pulley 61 and the third fixed pulley 63, which is close to the housing 1, extends out of the housing 10 through the openings 12.
When the lifting device is used, one end of a steel wire rope 65 and other parts are connected with the sliding block 53 on the nut 42 on the ball screw 41, the other end of the steel wire rope passes through the through hole 16 of the screw support plate 14 and is connected with a gear of a fixed pulley, different fixed pulleys can be connected according to specific situations, and through the combination of the different fixed pulleys, the lifting device can lift a single object 66 to be lifted or simultaneously lift two objects 66 to be lifted. Specifically, as shown in fig. 5, one end of the first fixed pulley 61 and one end of the third fixed pulley 63 are connected with the sliding block 53 on the nut 42, and the other end of the first fixed pulley and the other end of the third fixed pulley respectively penetrate through the opening 12 on the shell 1 and are connected with a part to be lifted 66 such as a door or window or a partition plate of an opening of a dosing cup, so that two to-be-lifted objects 66 can be lifted simultaneously by the lifting device; as shown in fig. 6, one end of the first fixed pulley 61 and one end of the second fixed pulley 62 are respectively connected with the sliding block 53 on the nut 42, and the other end of the first fixed pulley and the second fixed pulley penetrate out of the opening 12 on the casing 1 to be connected with a part to be lifted 66 such as a door curtain or a partition plate of an opening of a dosing cup, so that one to be lifted 66 can be lifted by the lifting device.
Example 4
As shown in fig. 1 to 3, in this embodiment, a screw fixing plate 17, a bearing fixing seat 18 and a bearing are added on the basis of embodiment 1, specifically, the screw fixing plate 17, the bearing fixing seat 18 and the bearing are arranged in the housing 10, the bearing is fixedly arranged in the bearing fixing seat 18, the bearing fixing seat 18 is fixed on the screw fixing plate 17 through a bolt, and two ends of the screw fixing plate 17 are fixed on the housing 10 through bolts; the upper end of the ball screw 41 is provided in a bearing and is rotatable in the bearing. The ball screw 41 is fixed by the screw fixing plate 17, the bearing fixing seat 18, and the bearing.
Example 5
As shown in fig. 1 to 3, in this embodiment, a chute 19 is added to the embodiment 1, specifically, the left and right inner side walls of the housing 10 are each provided with a chute 19 parallel to the ball screw 41, two ends of the slider 53 are located in the chute 19 and can move along the chute 19, in this embodiment, two ends of the slider 53 are triangular, and the top of the triangle is disposed in the chute 19.
Example 6
The present embodiment relates to an application of the lifting device, in particular, the lifting device may be applied to a door and window roller shutter, a sliding curtain or a small window of a livestock and poultry cultivation room or a greenhouse, etc., wherein a sliding block 53 on a nut 42 of the lifting device is connected with the door and window roller shutter, the sliding curtain or the small window, and the door and window roller shutter, the sliding curtain or the small window are closed or opened along with the movement of the nut 42; the controller is an environment controller, and the lifting device is also electrically connected with a temperature sensor and a humidity sensor; the temperature sensor and the humidity sensor are arranged in livestock and poultry raising chambers or greenhouses and the like, wherein:
presetting a highest temperature threshold and a lowest temperature threshold of a temperature sensor; acquiring indoor environment temperature data through the temperature sensor, and transmitting the temperature data to an environment controller by the temperature sensor when the indoor temperature is higher than a highest temperature threshold or lower than a lowest temperature threshold;
firstly presetting a highest humidity threshold and a lowest humidity threshold of a humidity sensor; acquiring indoor environment humidity data through a humidity sensor, and transmitting the humidity data to an environment controller when the indoor temperature is higher than a highest humidity threshold or lower than a lowest humidity threshold;
when the indoor temperature is higher than the highest temperature threshold set by the temperature sensor or the indoor humidity is higher than the highest humidity threshold set by the temperature sensor, the environment controller drives the gear motor 31 to rotate positively through the motor driving circuit, the gear motor 31 drives the ball screw 41 to rotate, the ball screw 41 rotates to drive the nut 42 to move upwards linearly, the sliding block 53 fixed on the nut 42 moves upwards linearly, and accordingly the door and window roller shutter, the sliding curtain or the small window are driven to move upwards until the touch pad 54 touches the upper micro switch 55, the upper micro switch 55 transmits an electric signal to the environment controller, and the environment controller controls the gear motor 31 to stop running, namely the door and window roller shutter, the sliding curtain or the small window is opened. In contrast, when the indoor temperature is lower than the highest temperature threshold set by the temperature sensor or the indoor humidity is lower than the highest humidity threshold set by the temperature sensor, the environment controller drives the gear motor 31 to rotate reversely through the motor driving circuit, the gear motor 31 drives the ball screw 41 to rotate, the ball screw 41 rotates to drive the nut 42 to move linearly downwards, and the sliding block 53 fixed on the nut 42 moves linearly downwards, so as to drive the door and window roller shutter, the sliding curtain or the small window to move downwards until the touch pad 54 touches the lower micro switch 56, the lower micro switch 56 transmits an electric signal to the environment controller, and the environment controller controls the gear motor 31 to stop running, namely the door and window roller shutter, the sliding curtain or the small window is closed.
The environment controller is selected from a Z-TEC12 type environment controller manufactured by Jiangxi Zen technology Co., ltd, and the temperature sensor and the humidity sensor are both selected from HTV-5900 type temperature and humidity sensors of Qingdao Illinois electric Co., ltd.
The above is merely exemplary embodiments of the present invention, and the scope of the present invention is not limited in any way. All technical schemes formed by adopting equivalent exchange or equivalent substitution fall within the protection scope of the invention.
Claims (8)
1. An electric lifting device is characterized in that: the device comprises a shell (10), a driving mechanism, a transmission mechanism and a limiting mechanism which are arranged in the shell (10), and also comprises an electric control system;
the driving mechanism comprises a speed reducing motor (31), and the speed reducing motor (31) drives the transmission mechanism to move;
the transmission mechanism comprises a ball screw (41) and a nut (42), one end of the ball screw (41) is connected with the output end of the speed reduction motor (31) through a coupler (32), and the other end of the ball screw is rotatably connected to the shell (10); the nut (42) is arranged on the ball screw (41) and meshed with the ball screw (41);
the limiting mechanism comprises a limiting rod (51), a limiting block (52), a sliding block (53), a touch pad (54), an upper micro switch (55) and a lower micro switch (56); the limiting rod (51) is movably arranged in the shell (10) and is parallel to the ball screw (41); one end of the sliding block (53) is fixedly connected to the nut (42), and the other end of the sliding block is sleeved on the limiting rod (51) and is movably connected with the limiting rod (51); the limiting block (52) is fixedly arranged on the limiting rod (51) and positioned on two sides of the sliding block (53); the touch pad (54) is arranged at one end part of the limiting rod (51) close to the speed reducing motor (31); the upper micro switch (55) and the lower micro switch (56) are arranged at the upper end and the lower end of the touch panel (54) at intervals, and the touch panel (54) can be contacted with or separated from the contact of the upper micro switch (55) or the lower micro switch (56) along with the up-down movement of the limit rod (51) in the shell (10);
the electric control system comprises a controller, a wiring terminal (71) is arranged in the shell (10), the speed reducing motor (31), the upper micro switch (55) and the lower micro switch (56) are connected to the wiring terminal (71) through wires, and the other end of the wiring terminal (71) is electrically connected with the controller and a power supply; when the touch pad (54) contacts the upper micro switch (55) or the lower micro switch (56), the upper micro switch (55) or the lower micro switch (56) transmits signals to the controller, and the controller controls the speed reducing motor (31) to stop running; the limiting mechanism further comprises a compression spring (57) sleeved on the limiting rod (51); a motor support plate (11) sleeved on the limiting rod (51) is further arranged in the shell (10); the compression springs (57) are positioned at two ends of the motor support plate (11), one end, far away from the motor support plate (11), of each compression spring (57) is fixedly connected to the limiting rod (51), and one end, close to the motor support plate (11), of each compression spring is movably connected to the limiting rod (51); the limiting rod (51) can move along the direction perpendicular to the motor supporting plate (11) and compress the compression spring (57);
a fixed pulley is also arranged in the shell (10) and is arranged at one end of the ball screw (41) far away from the speed reducing motor (31); a fixed pulley fixing plate (64) which is arranged oppositely is arranged in the shell (10), and the central shaft of the fixed pulley is fixed on the fixed pulley fixing plate (64); the two side walls of the shell (10) are provided with through openings (12), and the openings (12) are positioned at two radial ends of the fixed pulley.
2. An electric lifting device according to claim 1, characterized in that: the two ends of the motor support plate (11) are horizontally fixed on the shell (10) through bolts, and the gear motor (31) is fixed on the motor support plate (11) through bolts.
3. An electric lifting device according to claim 1, characterized in that: the fixed pulleys comprise a first fixed pulley (61), a second fixed pulley (62) and a third fixed pulley (63), the first fixed pulley (61), the second fixed pulley (62) and the third fixed pulley (63) are arranged in the shell (10) at intervals along the horizontal direction, and one side, close to the shell (10), of the first fixed pulley (61) and the third fixed pulley (63) extends out of the shell (10) through the opening (12).
4. An electric lifting device according to claim 3, wherein: screw support plates (14) are arranged in the shell (10), and two ends of each screw support plate (14) are horizontally fixed on the shell (10) through bolts; the screw supporting plate (14) is provided with a clamping hole, a bearing supporting seat (15) is arranged in the clamping hole, a bearing is arranged in the bearing supporting seat (15), and the lower end of the ball screw (41) is rotationally connected in the bearing; the screw support plate (14) is also provided with a through hole (16) for a steel wire rope connected with the sliding block (53) to pass through.
5. An electric lifting device according to claim 4, wherein: the number of the through holes (16) is 2, and the through holes are respectively positioned at two ends of the bearing support seat (15).
6. An electric lifting device according to claim 1, characterized in that: the novel ball screw is characterized in that a screw fixing plate (17), a bearing fixing seat (18) and a bearing are arranged in the shell (10), the bearing is rotatably arranged at the upper end of the ball screw (41), the bearing fixing seat (18) is sleeved on the bearing, the bearing fixing seat (18) is fixed on the screw fixing plate (17) through bolts, and two ends of the screw fixing plate (17) are fixed in the shell (10) through bolts.
7. An electric lifting device according to claim 1, characterized in that: the inner side wall of the shell (10) is provided with sliding grooves (19) parallel to the ball screw (41), and two ends of the sliding block (53) are positioned in the sliding grooves (19) and can move along the sliding grooves (19); the shell (10) is cuboid with one surface open, and the open surface is also hinged with a shell cover (20);
the upper micro switch (55) and the lower micro switch (56) are positioned at one end close to the opening of the shell (10), and the limiting rod (51) is positioned at the inner sides of the upper micro switch (55) and the lower micro switch (56).
8. Use of an electric lifting device according to claim 1, characterized in that:
the lifting device is applied to a door and window roller shutter and/or a sliding curtain and/or a small window, a sliding block (53) on the nut (42) is connected with the door and window roller shutter and/or the sliding curtain and/or the small window, and the door and window roller shutter and/or the sliding curtain and/or the small window are closed or opened along with the movement of the sliding block (53); the controller is an environment controller, and the lifting device is also electrically connected with a temperature sensor and a humidity sensor; the temperature sensor and the humidity sensor are arranged in a room provided with a door and window roller shutter and/or a sliding curtain and/or a small window, wherein:
presetting a highest temperature threshold and a lowest temperature threshold of the temperature sensor, acquiring indoor environmental temperature data through the temperature sensor, transmitting the temperature data to the environmental controller when the indoor temperature is higher than the highest temperature threshold or lower than the lowest temperature threshold, driving the speed reducing motor (31) to rotate forwards or reversely by the environmental controller through a motor driving circuit, opening or closing the door and window roller shutter and/or the sliding curtain and/or the small window until the touch panel (54) touches the upper micro switch (55) or the lower micro switch (56), transmitting an electric signal to the environmental controller by the upper micro switch (55) or the lower micro switch (56), and controlling the speed reducing motor (31) to stop running by the environmental controller;
the method comprises the steps that the highest humidity threshold and the lowest humidity threshold of a humidity sensor are preset, indoor environment humidity data are collected through the humidity sensor, when the indoor temperature is higher than the highest humidity threshold or lower than the lowest humidity threshold, the humidity sensor transmits the humidity data to an environment controller, the environment controller drives a gear motor (31) to rotate forwards or reversely through a motor driving circuit, a door and window rolling curtain and/or a sliding curtain and/or a small window are opened or closed until a touch panel (54) touches an upper micro switch (55) or a lower micro switch (56), the upper micro switch (55) or the lower micro switch (56) transmits an electric signal to the environment controller, and the environment controller controls the gear motor (31) to stop running.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546353.6A CN109958365B (en) | 2018-12-18 | 2018-12-18 | Electric lifting device and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546353.6A CN109958365B (en) | 2018-12-18 | 2018-12-18 | Electric lifting device and application thereof |
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| Publication Number | Publication Date |
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| CN109958365A CN109958365A (en) | 2019-07-02 |
| CN109958365B true CN109958365B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811546353.6A Active CN109958365B (en) | 2018-12-18 | 2018-12-18 | Electric lifting device and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112237164A (en) * | 2020-11-13 | 2021-01-19 | 天津理工大学 | Automatic material device that spills of over-and-under type |
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| CN209761165U (en) * | 2018-12-18 | 2019-12-10 | 江西增鑫科技股份有限公司 | Electric lifting device |
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| JPH04122196U (en) * | 1991-04-23 | 1992-11-02 | 有限会社コイデ | Shutter opening/closing device |
| TW384935U (en) * | 1999-07-07 | 2000-03-11 | Hung Chuen Fu | Structural improvement on the travel controller for the lifting and lowering of electric roller door |
| KR100703009B1 (en) * | 2005-12-13 | 2007-04-06 | 김학봉 | Automatic fire shutter closing apparatus |
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| CN109958365A (en) | 2019-07-02 |
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