CN115538904A - Automatic device of windowing in granary - Google Patents

Automatic device of windowing in granary Download PDF

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Publication number
CN115538904A
CN115538904A CN202211320199.7A CN202211320199A CN115538904A CN 115538904 A CN115538904 A CN 115538904A CN 202211320199 A CN202211320199 A CN 202211320199A CN 115538904 A CN115538904 A CN 115538904A
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CN
China
Prior art keywords
window
granary
window sash
metal ring
piston
Prior art date
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Granted
Application number
CN202211320199.7A
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Chinese (zh)
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CN115538904B (en
Inventor
赵龙
荣良善
杨永金
米永超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jieshou Xinlong Grain & Oil Machining Co ltd
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Jieshou Xinlong Grain & Oil Machining Co ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Jieshou Xinlong Grain & Oil Machining Co ltd filed Critical Jieshou Xinlong Grain & Oil Machining Co ltd
Priority to CN202211320199.7A priority Critical patent/CN115538904B/en
Publication of CN115538904A publication Critical patent/CN115538904A/en
Application granted granted Critical
Publication of CN115538904B publication Critical patent/CN115538904B/en
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00Doors, windows, or like closures for special purposes; Border constructions therefor
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F25/00Storing agricultural or horticultural produce; Hanging-up harvested fruit
    • A01F25/16Arrangements in forage silos
    • A01F25/22Ventilating arrangements
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/627Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/70Power-operated mechanisms for wings with automatic actuation
    • E05F15/71Power-operated mechanisms for wings with automatic actuation responsive to temperature changes, rain, wind or noise
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/38Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a horizontal axis of rotation at the top or bottom of the opening

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The invention discloses an automatic window opening device for a granary, and relates to the technical field of granary storage. The invention comprises a window arranged on the granary; the window comprises a window frame and a window sash; a grain bin positioned right above the window frame is provided with a window opening control mechanism for driving the window sash to rotate along the hinged position; the control mechanism comprises a winding motor, and the winding motor is connected with the window sash through a traction rope; the winding motor is connected with a controller, and the controller is connected with a raindrop sensor and an air speed and wind direction sensor which are arranged on the outer side of the granary, and a temperature and humidity sensor which is arranged inside the granary. According to the invention, environmental information inside and outside the granary is detected by using the raindrop sensor, the wind speed and direction sensor and the temperature and humidity sensor, and the opening and closing of the window sash are controlled by controlling the action of the winding motor through the controller, so that when external rainwater can enter the granary under the action of wind power, the corresponding window is not opened for ventilation at the moment, and other windows are opened for ventilation.

Description

Automatic device of windowing in granary
Technical Field
The invention belongs to the technical field of granary storage, and particularly relates to an automatic window opening device for a granary.
Background
Grain needs to be stored after being harvested, grain storage quality is closely related to national grain safety and people life quality, currently, stored grain is stored by depending on a large-sized granary, the storage time of the granary can be directly influenced by the internal air humidity in the storage process, and the granary needs to be ventilated regularly when the internal air humidity is maintained within a specified range.
However, in rainy weather, windows are arranged on the periphery of a common granary, and when the windows are opened, external rainwater easily enters the granary to cause certain interference on storage of grains under the action of wind.
Based on this, CN107829646B a building field device of windowing especially relates to an automatic rainwater response device of windowing. The device comprises a jacking device, a telescopic device, a handle, a sensing device, a window frame and a window body, wherein the telescopic device comprises a sleeve, an extension rod, a pulley, a connecting rope and a tensioning spring; can respond to beneficial effects such as realization automatic control to weather. However, under the windless condition and even if it rains, the external rainwater is difficult to enter the granary when the window is opened; when the window is directly applied to the granary, the problem that the window cannot be intelligently opened for ventilation and air exchange as long as the outside rains exists under the windless condition.
Disclosure of Invention
The invention aims to provide an automatic granary windowing device, which is characterized in that environmental information inside and outside a granary is detected by a raindrop sensor, a wind speed and direction sensor and a temperature and humidity sensor, and the opening and closing of a window sash are controlled by controlling the action of a winding motor through a controller, so that when external rainwater can enter the granary under the action of wind power, corresponding windows are not opened for ventilation and air exchange, and other windows are opened for ventilation and air exchange.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an automatic window opening device for a granary, which comprises a window arranged on the granary; the window comprises a window frame and a window sash hinged at the top of the window frame; a grain bin positioned right above the window frame is provided with a window opening control mechanism for driving the window sash to rotate along the hinged position; the control mechanism comprises an installation seat installed on the granary, a winding motor is fixed on the L-shaped installation seat, a winding wheel is arranged at the output end of the winding motor, a traction rope is connected to the winding wheel, and the other end of the traction rope is fixed on the outer side of the window sash; the end part of the mounting seat is provided with a supporting arm, a fixed pulley is mounted on the supporting arm, and the traction rope penetrates through the fixed pulley.
Furthermore, the winding motor is connected with a controller, and the controller is connected with a raindrop sensor and an air speed and wind direction sensor which are arranged outside the granary, and a temperature and humidity sensor which is arranged inside the granary; when the temperature and humidity sensor detects that the temperature or humidity inside the granary reaches a preset value, the window sash needs to be opened by default; when the raindrop sensor detects that the rain drops do not fall, controlling the window sash to be in a 100% opening state; when the raindrop sensor detects rain, the wind speed and direction sensor detects whether rain can enter the granary through the window in the 100% open state under the action of wind, if not, no operation is carried out, otherwise, the window sash is closed to a certain opening degree according to the wind speed and the wind direction.
Furthermore, an L-shaped plate body is arranged on the outer side of the window sash, and a support plate which can move along the horizontal direction and is matched with the L-shaped plate body for supporting the window sash is arranged on the support arm; when the window sash is in a 100% open state, the upper surface of the support plate is in contact with the bottom side surface of the L-shaped plate body.
Furthermore, a fixing block which is located on one side of the L-shaped plate body and used for being connected with a traction rope is arranged on the window sash, and when the window sash is in a 100% opening state, the fixing block is located in a gap formed by the L-shaped plate body and the supporting arm.
Furthermore, an electric slide block assembly or an electric telescopic push rod for controlling the support plate to move along the horizontal direction is arranged on the support arm; the electric sliding block assembly comprises a sliding rail arranged on the upper surface of the supporting arm and an electric sliding block which slides left and right along the length direction of the sliding rail.
Furthermore, the window sash opening detection device also comprises a detection mechanism which is arranged on the bottom side surface of the mounting seat and is used for detecting and judging the opening state of the window sash; the detection mechanism is connected with the controller; the detection mechanism comprises a convex column arranged on one side of the window sash, a side plate is arranged on the outer side of the window frame, and an arc-shaped through hole matched with the rotation path of the convex column is formed in the side plate; two arc-shaped clamping plates are arranged on the outer sides of the side plates positioned at the arc-shaped through holes, and a channel formed by the arc-shaped clamping plates is gradually narrowed from one end to the other end; the end of the convex column is provided with a container which moves along the channel and has a variable volume, and an air pressure sensor connected with the controller is arranged in the container.
Furthermore, the container comprises an inner sleeve arranged at the end part of the convex column, the middle part of the inner sleeve is provided with a support ring, two sides of the support ring are both connected with a piston sliding along the inner wall of the inner sleeve through a spring, and the end part of the piston is connected with a piston rod abutting against one side wall of the arc-shaped clamping plate; the air pressure sensor presses on the support ring.
Furthermore, a ball is embedded in the end part of the piston rod, and a sliding groove matched with the ball is formed on the opposite inner side surfaces of the two arc-shaped clamping plates; the end part of the piston rod is also provided with an outer sleeve which is sleeved outside the inner sleeve, and the outer sleeve is in sliding fit along the outside of the inner sleeve.
Further, the piston comprises a piston body made of rubber, two sides of the piston body are recessed to form grooves respectively, a metal ring A and a metal ring B are arranged in the two grooves respectively, a stud penetrating through the piston body, the metal ring A and the metal ring B is arranged at the end of the piston rod, and a nut abutting against the metal ring B is arranged at the end of the stud.
Furthermore, the metal ring A and the metal ring B are respectively stuck in the groove through adhesives, the end part of the piston rod abuts against the metal ring A, and the metal ring B is connected with the spring.
The invention has the following beneficial effects:
according to the invention, environmental information inside and outside the granary is detected by using the raindrop sensor, the wind speed and direction sensor and the temperature and humidity sensor, and the opening and closing of the window sash are controlled by controlling the action of the winding motor through the controller, so that when external rainwater can enter the granary under the action of wind power, the corresponding window is not opened for ventilation at the moment, and other windows are opened for ventilation; particularly, when the south wind and rain appear, the windows in the north of the granary and the windows on the east side and the west side can be opened for ventilation.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of an automatic window opening device according to the present invention;
FIG. 2 is a schematic diagram of the left side view structural diagram of FIG. 1;
FIG. 3 is a side view of the right side view of FIG. 1;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
FIG. 5 is a schematic view of a part of the detecting mechanism of the present invention;
fig. 6 is a partially enlarged view of fig. 5 at B.
Detailed Description
As shown in fig. 1-3; an automatic window opening device for a granary comprises a window installed on the granary 100; the window comprises a window frame 1 and a window sash 2 hinged at the top of the window frame 1; a grain bin 100 positioned right above the window frame 1 is provided with a window opening control mechanism for driving the window sash 2 to rotate along the hinged position; the control mechanism comprises a mounting seat 3,L type mounting seat 3 mounted on the granary 100, a winding motor 4 is fixed on the mounting seat 3, the output end of the winding motor 4 is provided with a winding wheel 41, the winding wheel 41 is connected with a traction rope 42, and the other end of the traction rope 42 is fixed on the outer side of the window sash 2; the end of the mounting seat 3 is provided with a supporting arm 31, the supporting arm 31 is provided with a fixed pulley, and a traction rope 42 passes through the fixed pulley.
When the window opener is used, when the window sash 2 needs to be controlled to be opened, the winding motor 4 is controlled to wind the traction rope 42, and the window sash 2 is driven by the traction rope 42 to rotate along the hinged position to open the window.
The winding motor 4 is connected with a controller, the model of the controller is KY02S, and the controller is connected with a raindrop sensor and an air speed and direction sensor which are arranged outside the granary 100, and a temperature and humidity sensor which is arranged inside the granary 100; when the temperature and humidity sensor detects that the temperature or humidity inside the granary 100 reaches a preset value, the window sash 2 needs to be opened by default; when the raindrop sensor detects that it is not raining, controlling the window sash 2 to be in a 100% open state; when the raindrop sensor detects raining, the wind speed and wind direction sensor detects whether raining can enter the granary 100 through the window in the 100% open state under the action of wind, if not, any operation is not performed, otherwise, the window sash 2 is closed to a certain opening degree according to the wind speed and the wind direction.
An L-shaped plate body 21 is further arranged on the outer side of the window sash 2, and a support plate 32 which can move along the horizontal direction and is matched with the L-shaped plate body 21 for supporting the window sash 2 is arranged on the support arm 31; when the window sash 2 is in a 100% open state, the upper surface of the support plate 32 contacts with the bottom side surface of the L-shaped plate body 21, and the window sash 2 in a horizontal state is supported by the support plate 32, so that the window sash 2 is conveniently controlled to be always in the horizontal state, and the window sash 2 is prevented from being turned downwards under the action of gravity of the window sash 2 when the winding motor 4 is in a non-starting state.
The window sash 2 is provided with a fixed block 23 which is positioned on one side of the L-shaped plate body 21 and is used for connecting a traction rope 42, and when the window sash 2 is in a 100% opening state, the fixed block 23 is positioned in a gap formed by the L-shaped plate body 21 and the supporting arm 31; an electric telescopic push rod 33 for controlling the support plate to move along the horizontal direction is arranged on the support arm 31; when the window sash 2 is in the 100% open state, the electric telescopic push rod 33 is controlled to extend, so that the support plate 32 is inserted below the L-shaped plate body 21.
On the basis, as shown in fig. 4, the window sash opening detection device further comprises a detection mechanism 5 arranged on the bottom side surface of the mounting seat 3 and used for detecting and judging the opening state of the window sash 2; the detection mechanism 5 is connected with the controller; the detection mechanism 5 comprises a convex column 22 arranged on one side of the window sash 2, a side plate 10 is arranged on the outer side of the window frame 1, and an arc-shaped through hole 11 matched with the rotation path of the convex column 22 is formed in the side plate 10; two arc-shaped clamping plates 12 are arranged on the outer sides of the side plates 10 positioned at the arc-shaped through holes 11, and a channel 13 formed by the arc-shaped clamping plates 12 is gradually narrowed from one end to the other end; the end of the convex column 22 is provided with a container 14 which moves along the channel 13 and has variable volume, and the container 14 is internally provided with an air pressure sensor connected with a controller; by the arrangement of the detection mechanism 5, the open state of the window sash 2 at an arbitrary position, i.e., the open state of the window sash 2 at 50%, 30%, or 70%, is determined. The container 14 is squeezed by the gradually narrowing channel 13, and the effective volume for containing air in the container 14 is reduced to 1/2 when the container 14 moves from one end of the channel 13 to the other end; that is, the internal air pressure is 2 times of the original air pressure.
Referring to fig. 5, the container 14 includes a base block 140 disposed at an end of the convex column 22, the base block 140 is provided with a through hole 1401, an inner sleeve 141 is fixed in the through hole 1401 by a fixing ring 1402, a support ring 142 is disposed at a middle portion of the inner sleeve 141, both sides of the support ring 142 are connected with a piston 144 sliding along an inner wall of the inner sleeve 141 by a spring 143, and an end of the piston 144 is connected with a piston rod 145 abutting against a side wall of the arc clamp 12; the air pressure sensor presses on the support ring 142; a ball 146 is embedded at the end part of the piston rod 145, and a sliding groove 121 matched with the ball 146 is formed on the opposite inner side surfaces of the two arc-shaped clamping plates 12; the end of the piston rod 145 is also provided with an outer sleeve 147 which is sleeved outside the inner sleeve 141, and the outer sleeve 147 is in sliding fit along the outside of the inner sleeve 141; through the matching of the balls 146 and the sliding grooves 121, the convex columns 22 are ensured to be kept stable in the moving process along the arc-shaped through holes 11; meanwhile, when the convex column 22 moves from the narrow-mouth end to the wide-mouth end of the channel 13, and is in the closing process, the outer sleeve 147 moves outwards under the action of the air pressure and the spring 143; whereas the outer sleeve 147 moves inwardly.
As shown in fig. 6, the piston 144 includes a piston body 1441 made of rubber, grooves 1442 are respectively formed on two sides of the piston body 1441 in a recessed manner, a metal ring a1443 and a metal ring B1444 are respectively arranged in the two grooves 1442, a stud 148 penetrating through the piston body 1441, the metal ring a1443 and the metal ring B1444 is arranged at an end of the piston rod 145, and a nut 149 abutting against the metal ring B1444 is arranged at an end of the stud 148; the metal ring A1443 and the metal ring B1444 are respectively stuck in the groove 1442 through adhesives, the end of the piston rod 145 abuts against the metal ring A1443, and the metal ring B1444 is connected with the spring 143; the piston 144 is convenient to control the piston 144 to move along the inner side wall of the inner sleeve 141 through the arrangement of the piston 144, and meanwhile, the piston 144 is convenient to mount and dismount through the arrangement of a nut 149, a stud 148 and the like.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. The utility model provides an automatic device of windowing in granary which characterized in that: comprises a window installed on the granary (100); the window comprises a window frame (1) and a window sash (2) hinged to the top of the window frame (1);
a grain bin (100) positioned right above the window frame (1) is provided with a window opening control mechanism for driving the window sash (2) to rotate along the hinged part;
the control mechanism comprises an installation seat (3) installed on the granary (100), a winding motor (4) is fixed on the L-shaped installation seat (3), a winding wheel (41) is arranged at the output end of the winding motor (4), a traction rope (42) is connected to the winding wheel (41), and the other end of the traction rope (42) is fixed on the outer side of the window sash (2);
a supporting arm (31) is arranged at the end part of the mounting seat (3), a fixed pulley is arranged on the supporting arm (31), and the traction rope (42) penetrates through the fixed pulley;
the winding motor (4) is connected with a controller, and the controller is connected with a raindrop sensor and an air speed and wind direction sensor which are arranged on the outer side of the granary (100), and a temperature and humidity sensor which is arranged in the granary (100).
2. The automatic window opening device of the granary according to claim 1,
when the temperature and humidity sensor detects that the temperature or humidity inside the granary (100) reaches a preset value, the window sash (2) needs to be opened by default;
when the raindrop sensor detects that the rain does not fall, controlling the window sash (2) to be in a 100% open state;
when the raindrop sensor detects rain, the wind speed and direction sensor detects whether rain can enter the granary (100) through the window in the 100% open state or not under the action of wind, if not, no operation is carried out, otherwise, the window sash (2) is closed to a certain opening degree according to the wind speed and the wind direction.
3. The automatic grain bin windowing device according to claim 2, wherein an L-shaped plate body (21) is further arranged on the outer side of the window sash (2), and a support plate which can move in the horizontal direction and is matched with the L-shaped plate body (21) to support the window sash (2) is arranged on the support arm (31); when the window sash (2) is in a 100% opening state, the upper surface of the supporting plate is in contact with the bottom side surface of the L-shaped plate body (21).
4. The automatic grain bin windowing device according to claim 3, wherein a fixing block (23) which is positioned at one side of the L-shaped plate body (21) and is used for connecting a traction rope (42) is arranged on the window sash (2),
when the window sash (2) is in a 100% opening state, the fixing block (23) is positioned in a gap formed by the L-shaped plate body (21) and the supporting arm (31).
5. The automatic grain bin windowing device according to claim 3, wherein an electric slider assembly or an electric telescopic push rod (33) for controlling a support plate to move along the horizontal direction is arranged on the support arm (31);
the electric sliding block assembly comprises a sliding rail arranged on the upper surface of the supporting arm (31) and an electric sliding block which slides left and right along the length direction of the sliding rail.
6. The automatic grain bin windowing device according to any one of claims 2 to 5, further comprising a detection mechanism (5) arranged on the bottom side surface of the mounting seat (3) and used for detecting and judging the opening state of the window sash (2); the detection mechanism (5) is connected with the controller;
the detection mechanism (5) comprises a convex column (22) arranged on one side of the window sash (2), a side plate (10) is arranged on the outer side of the window frame (1), and an arc-shaped through hole (11) matched with the rotation path of the convex column (22) is formed in the side plate (10); two arc-shaped clamping plates (12) are arranged on the outer sides of the side plates (10) positioned at the arc-shaped through holes (11), and a channel (13) formed by the arc-shaped clamping plates (12) is gradually narrowed from one end to the other end;
the end of the convex column (22) is provided with a container (14) which moves along the channel (13) and has a variable volume, and an air pressure sensor connected with a controller is arranged in the container (14).
7. The automatic grain bin windowing device according to claim 6, characterized in that the container (14) comprises an inner sleeve (141) arranged at the end of the convex column (22), the middle of the inner sleeve (141) is provided with a support ring (142), both sides of the support ring (142) are connected with a piston (144) sliding along the inner wall of the inner sleeve (141) through a spring (143), and the end of the piston (144) is connected with a piston rod (145) abutting against one side wall of the arc-shaped clamping plate (12); the air pressure sensor presses on the support ring (142).
8. The automatic granary windowing device according to claim 7, wherein a ball (146) is embedded in an end of the piston rod (145), and a sliding groove (121) matched with the ball (146) is formed in opposite inner side faces of the two arc-shaped clamping plates (12); the end part of the piston rod (145) is also provided with an outer sleeve (147) sleeved outside the inner sleeve (141), and the outer sleeve (147) is in sliding fit along the outside of the inner sleeve (141).
9. The automatic grain bin windowing device according to claim 7 or 8, wherein the piston (144) comprises a piston body (1441) made of rubber, grooves (1442) are formed in two sides of the piston body (1441) in a recessed manner, a metal ring A (1443) and a metal ring B (1444) are arranged in the two grooves (1442), a stud (148) penetrating through the piston body (1441), the metal ring A (1443) and the metal ring B (1444) is arranged at the end of the piston rod (145), and a nut (149) abutting against the metal ring B (1444) is arranged at the end of the stud (148).
10. The automatic window opening device of the granary according to claim 9, wherein the metal ring A (1443) and the metal ring B (1444) are respectively stuck in the groove (1442) by adhesive, the end of the piston rod (145) abuts against the metal ring A (1443), and the metal ring B (1444) is connected with the spring (143).
CN202211320199.7A 2022-10-26 2022-10-26 Automatic window opening device for granary Active CN115538904B (en)

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Application Number Priority Date Filing Date Title
CN202211320199.7A CN115538904B (en) 2022-10-26 2022-10-26 Automatic window opening device for granary

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Application Number Priority Date Filing Date Title
CN202211320199.7A CN115538904B (en) 2022-10-26 2022-10-26 Automatic window opening device for granary

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CN115538904A true CN115538904A (en) 2022-12-30
CN115538904B CN115538904B (en) 2024-05-28

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CN202324973U (en) * 2011-11-30 2012-07-11 程雪妍 Intelligent electric window for granary
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JP2015048631A (en) * 2013-08-30 2015-03-16 三協立山株式会社 Electrically-driven awning window
CN204402253U (en) * 2014-12-26 2015-06-17 刘华 Multifunctional sliding window
CN207092841U (en) * 2017-08-29 2018-03-13 深圳市龙洋兴粮油供应有限公司 A kind of warehouse rain-proof window
CN212249689U (en) * 2019-12-23 2020-12-29 赣州汇明木业有限公司 Domestic full-automatic smart window

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201810093U (en) * 2010-09-21 2011-04-27 国家粮食储备局成都粮食储藏科学研究所 Rope traction device for automatically opening and closing granary window and vent
CN202324973U (en) * 2011-11-30 2012-07-11 程雪妍 Intelligent electric window for granary
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