CN111255139A - Electric clerestory lifting device - Google Patents
Electric clerestory lifting device Download PDFInfo
- Publication number
- CN111255139A CN111255139A CN202010075790.5A CN202010075790A CN111255139A CN 111255139 A CN111255139 A CN 111255139A CN 202010075790 A CN202010075790 A CN 202010075790A CN 111255139 A CN111255139 A CN 111255139A
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- China
- Prior art keywords
- clerestory
- compression spring
- electric
- pull wire
- pulley assembly
- 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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- 238000007906 compression Methods 0.000 claims abstract description 72
- 230000006835 compression Effects 0.000 claims abstract description 71
- 230000005484 gravity Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 10
- 239000000779 smoke Substances 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/18—Special structures in or on roofs, e.g. dormer windows
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
- E04D13/0358—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts moving, in their own plane, e.g. rolling or sliding, or moving in parallel planes with or without an additional movement, e.g. both pivoting and rolling or sliding
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses an electric clerestory lifting device, which comprises a compression spring and a pull wire, wherein the upper end of the compression spring is fixed on a keel frame for supporting the whole clerestory, the lower end of the compression spring is fixed on a purline below the keel frame, one end of the pull wire is fixed on the keel frame, and the other end of the pull wire is connected with a power device; when the pull line is in a free state, the clerestory is pushed open by the compression spring, and when the pull line is tensioned, the compression spring is compressed, so that the clerestory is closed. According to the electric clerestory lifting device, the weight of the clerestory is offset by means of the jacking force of the compression spring, the clerestory can be opened on the premise of no power, and the problem that a power supply system is damaged to prevent the clerestory from being opened for ventilation in a fire state is avoided.
Description
Technical Field
The invention relates to the technical field of roof ventilation equipment of industrial plants and warehouses, in particular to an electric clerestory lifting device.
Background
With the development of the building industry, various large-scale factory building warehouses have more and more requirements on roof lighting, ventilation and smoke exhaust. Particularly, in special situations, such as fire, the top skylight of the building needs to be opened to discharge smoke so as to ensure the safety of personnel in the building and provide enough time and space for indoor personnel to evacuate the site. There are many kinds of smoke exhaust ventilation devices in the field, and among devices for exhausting smoke and ventilating by natural power, there is a device which can be selected between an open state and a closed state, that is, a ventilation skylight which can be opened and closed. The ventilation device is generally closed in severe weather such as wind and rain, the ventilation device is opened in the weather of wind and sun, and the smoke discharge device is opened in emergency such as fire. Most of the skylights have a lighting function, the opening of the skylight is divided into a side opening mode and a pushing mode, and the lifting of the skylight in the pushing mode is an operation mode of electric equipment, namely the whole weight of the skylight is supported by a motor or an electric push rod. The lifting capacity of the selected equipment is larger than the weight of the whole clerestory, and certain reserve power is reserved. Therefore, the material cost of the equipment is increased, and the maintenance cost is also increased correspondingly. With the increase of the complexity of the equipment, the equipment of the type increases the potential quality safety hazard. The cost of the equipment in the current market is basically stabilized at the cost of one thousand yuan RMB per linear meter, and the bearing capacity of construction units and construction units is also restricted to a certain extent. In addition, when the system needs to be started, the system can be realized only under the condition that a power supply normally supplies power, when a fire disaster occurs, the fire disaster can firstly cause field power failure, sometimes even a field standby power supply can be damaged by the fire disaster, and under the condition, the clerestory can not work.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a clerestory lifting device, which can be used for offsetting the weight of the clerestory by means of the jacking force of a compression spring, opening the clerestory without any power, and avoiding the condition that a power supply system is damaged and the clerestory cannot be opened for ventilation in a fire state.
The invention adopts the following technical scheme:
an electric clerestory lifting device comprises a compression spring and a pull wire, wherein the upper end of the compression spring is fixed on a keel frame supporting the whole clerestory, the lower end of the compression spring is fixed on a purline below the keel frame, one end of the pull wire is fixed on the keel frame, and the other end of the pull wire is connected with a power device; when the pull wire is in a free state, the clerestory is pushed open by the compression spring, and when the pull wire is tensioned, the compression spring is compressed, so that the clerestory is closed.
The device further comprises a first pulley assembly, the first pulley assembly is close to the compression spring and fixedly connected with the keel frame, one end of the pull wire is fixed on the purline, and the other end of the pull wire bypasses the first pulley assembly and is connected with a power device.
The compression spring is in the effective stroke of jacking the whole clerestory, and the natural jacking force generated by the compression spring is larger than the gravity generated by the clerestory.
When the clerestory is closed, the pulling force generated by the power device is larger than the difference between the jacking force of the compression spring and the gravitational force of the clerestory.
An L-shaped support plate and a first flat plate are arranged between the keel frame and the compression spring, one side of the L-shaped support plate is fixedly connected with the side wall of the keel frame, the other side of the L-shaped support plate is horizontally arranged at the upper end of the compression spring, and the first flat plate penetrates through a first circle of spring at the upper part of the compression spring and is detachably and fixedly connected with the L-shaped support plate at the upper end of the compression spring; and the first circle of spring position at the lower part of the compression spring also penetrates through a second plate member, and the second plate member and the purline form detachable fixed connection.
The first pulley assembly is fixed on the lower end face of the first flat plate.
The first pulley assembly is located on an inner centerline of the compression spring.
The device further comprises a second pulley assembly, the second pulley assembly is fixed on the side wall of the purlin, one end of the stay wire is fixed on the other corresponding side wall of the purlin, and the other end of the stay wire is sequentially wound on the first pulley assembly and the second pulley assembly and led out from the lower end of the compression spring.
The first pulley component is a guide pulley and is used for reducing acting force acting on the pull wire, and the second pulley component is a movable pulley and is used for changing the direction of the pull wire.
The power device is a winch which is provided with electric power and manual power simultaneously, an electric self-locking mechanism for controlling the stay wire is arranged in the winch, when the power supply fails, the electric self-locking mechanism releases the stay wire, and the clerestory automatically rises by the jacking force of the compression spring to open the clerestory.
The L-shaped support plate, the first plate piece and the second plate piece are all galvanized steel structural pieces.
The technical scheme of the invention has the following advantages:
A. according to the electric clerestory lifting device, the weight of the clerestory is offset by means of the jacking force of the compression spring, the clerestory can be opened on the premise of no power, and the problem that a power supply system is damaged to prevent the clerestory from being opened for ventilation in a fire state is avoided.
B. The electric clerestory lifting device is provided with the electric self-locking mechanism for controlling the stay wire in the power device, when a power supply system is damaged, the stay wire is released due to the fact that the self-locking system of the power device controlled by the electric power is out of control, the clerestory automatically rises by means of the jacking force of the compression spring to open the clerestory, and the clerestory is not required to be manually operated and is specially opened.
C. The electric clerestory lifting device has the advantages that the clerestory closing function is completed by electric power, and the weight of the clerestory is smaller than the jacking force of the compression spring, so that the pulling force required for closing the clerestory is only the difference value between the jacking force of the compression spring and the weight of the whole clerestory, and the energy consumption of the clerestory when the clerestory is closed is greatly reduced.
D. The top of the electric clerestory lifting device is provided with the first pulley assembly of the guide pulley, one end of the stay wire is fixed on the purline, the other end of the stay wire is connected with the power device winch by bypassing the guide pulley, the pulling force of the stay wire can be reduced by half, the energy consumption required by closing the clerestory is further reduced, and therefore a manual pull rope can be added to one end of the stay wire connected with the winch, and when the winch fails and cannot be used, the clerestory can be closed through the manual pull rope.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings which are needed to be used in the embodiments will be briefly described below, and it is apparent that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained from the drawings without inventive labor to those skilled in the art.
Fig. 1 is a schematic view of the overall structure of the electric clerestory lifting device of the present invention.
The labels in the figure are as follows:
1-compression spring; 2-pulling the wire; 3-a first sheave assembly; 4-a second sheave assembly; 5-keel frame; 6-purlin; 7-L-shaped bracket plates; 8-a first plate member; 9-a second plate; 10-power device.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figure 1, the invention provides an electric clerestory lifting device, which comprises a compression spring 1, a first pulley assembly 3 and a stay wire 2, wherein the upper end of the compression spring 1 is fixed at the lower end of a keel frame 5 supporting the whole clerestory, the lower end of the compression spring 1 is fixed at the upper end of a purline 6 below the keel frame 5, the first pulley assembly 3 is arranged above the inner side of the compression spring 1 and fixedly connected with the keel frame 5, one end of the stay wire 2 is fixed on the purline 6, the other end of the stay wire bypasses the first pulley assembly 3 and is connected with a power device 10 arranged at an eave or a ridge position, the natural jacking force generated by the compression spring 1 is larger than the gravity generated by the clerestory in the effective stroke of the whole clerestory lifting force, the range of the compression spring is required to be selected to ensure that the jacking force of the compression spring is kept as constant as much as possible in the linear range, and the prepressing jacking force of the compression spring is kept as much as possible in . When the pull wire 2 is in a free state, the clerestory is jacked up by the compression spring 1 to be opened, and when the pull wire 2 is tensioned to enable the force acting on the keel frame 5 to be larger than the difference between the jacking force of the compression spring 1 and the weight of the clerestory, the compression spring 1 is compressed to enable the clerestory to be closed. According to the electric clerestory lifting device, the weight of the clerestory is offset by means of the jacking force of the compression spring, the clerestory can be opened on the premise of no power, and the problem that a power supply system is damaged to prevent the clerestory from being opened for ventilation in a fire state is avoided. The recovery and closing functions of the clerestory are completed by electric power, and the weight of the clerestory is smaller than the jacking force of the compression spring, so that the pulling force required for closing the clerestory is only the difference value between the jacking force of the compression spring and the weight of the whole clerestory, and the energy consumption when the clerestory is closed is greatly reduced. The pulling force generated by the power device 10 is larger than the difference between the jacking force of the compression spring 1 and the weight of the clerestory.
Furthermore, an L-shaped support plate 7 and a first flat plate 8 are arranged between the keel frame 5 and the compression spring 1, one side of the L-shaped support plate 7 is fixedly connected with the side wall of the keel frame 5, the other side of the L-shaped support plate is horizontally arranged at the upper end of the compression spring 1, the first flat plate 8 penetrates through a first circle of spring at the upper part of the compression spring 1 and is detachably and fixedly connected with one side of the L-shaped support plate 7 at the upper end of the compression spring 1 through bolts, the bolt holes are formed in two ends of the first flat plate 8 at the outer side of the compression spring 1, and the bolt holes in the L-shaped support plate 7 correspond to the bolt holes in the; and a second plate member 9 is also arranged on the upper end surface of the purline 6, the second plate member 9 penetrates through the first circle of spring at the lower part of the compression spring 1 to be fixedly connected with the purline 6 by adopting self-drilling and self-tapping structure nails, and the self-drilling and self-tapping structure nails are positioned at two ends of the second plate member 9 outside the compression spring 1. The L-shaped support plate 7, the first plate member 8 and the second plate member 9 are all galvanized steel structural members. The first pulley assembly 3 is fixed on the lower end surface of the first plate 8 and is located on the inner center line of the compression spring 1.
The device also comprises a second pulley assembly 4, the second pulley assembly 4 is fixed on the side wall of the purlin 6, one end of the stay wire 2 is fixed on the other corresponding side wall of the purlin 6, and the other end of the stay wire 2 is sequentially wound on the first pulley assembly 3 and the second pulley assembly 4 and is led out from the lower end of the compression spring 1. The first pulley assembly 3 is a guide pulley for reducing an acting force acting on the wire 2, and the second pulley assembly 4 is a movable pulley for changing a direction of the wire 2. The power device 10 is a winch which simultaneously provides electric power and manual power, and an electric self-locking mechanism for controlling the stay wire 2 is arranged in the winch, when the power supply fails, the electric self-locking mechanism releases the stay wire 2, and the clerestory automatically rises by the jacking force of the compression spring 1 to open the clerestory. The winch adopts a commercially available product, the winch equipment matched with the winch equipment can be selected according to different specific projects and requirements of owners, the winch equipment is provided with an electric self-locking mechanism for controlling a stay wire, when a power supply system is damaged, the stay wire is released because the electric self-locking mechanism controlled by a power device is out of control, a clerestory automatically rises by the jacking force of a compression spring to open the clerestory, manual operation is not needed, and the clerestory is specially opened, wherein the electric self-locking mechanism arranged in the winch equipment is the prior art, for example: the JKD series electric control windlass is adopted, and the details are not repeated. The top of the device is provided with a first pulley assembly of a guide pulley, one end of the stay wire is fixed on the purline, the other end of the stay wire bypasses the guide pulley to be connected with a power device winch, the pulling force of the stay wire can be reduced by half, the energy consumption required by the clerestory closing is further reduced, thus a manual stay rope can be added at one end of the stay wire connected with the winch according to needs, and when the winch fails and can not be used, the clerestory can be closed through the manual stay rope.
Figure 1 is a unit of whole clerestory jacking device, there is such unit respectively about along the longitudinal direction of clerestory, there can be a plurality of such compression spring jacking units to longitudinal length according to the clerestory, can have the pulling force and the stroke difference of acting as go-between every jacking unit, so still be equipped with compensating spring between every jacking device and eliminate the displacement difference between every unit, thereby the quantity of saving device has reached the purpose of reduce cost, reduce the device quantity simultaneously and also be the hidden danger that reduces the quality trouble.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.
Claims (10)
1. An electric clerestory lifting device is characterized by comprising a compression spring (1) and a pull wire (2), wherein the upper end of the compression spring (1) is fixed on a keel frame (5) supporting the whole clerestory, the lower end of the compression spring (1) is fixed on a purline (6) below the keel frame (5), one end of the pull wire (2) is fixed on the keel frame (5), and the other end of the pull wire is connected with a power device (10); when the pull wire (2) is in a free state, the clerestory is pushed open by the compression spring (1), and when the pull wire (2) is tensioned, the compression spring (1) is compressed, so that the clerestory is closed.
2. The electric clerestory lifting device according to claim 1, further comprising a first pulley assembly (3), wherein the first pulley assembly (3) is disposed near the compression spring (1) and fixedly connected to the keel frame (5), one end of the pull wire (2) is fixed to the purlin (6), and the other end of the pull wire is connected to a power device (10) by bypassing the first pulley assembly (3).
3. An electric clerestory lifting device according to claim 2, wherein the compression spring (1) generates a natural lifting force greater than the gravity force generated by the clerestory itself within an effective stroke for lifting the entire clerestory.
4. An electric clerestory lifting device according to claim 3, wherein the pulling force generated by the power means (10) when the clerestory performs closing is larger than the difference between the lifting force of the compression spring (1) and the weight of the clerestory.
5. The electric clerestory lifting device according to claim 4, wherein an L-shaped support plate (7) and a first plate member (8) are arranged between the keel frame (5) and the compression spring (1), one side of the L-shaped support plate (7) is fixedly connected with the side wall of the keel frame (5), the other side of the L-shaped support plate is horizontally arranged at the upper end of the compression spring (1), and the first plate member (8) penetrates through a first circle of spring at the upper part of the compression spring (1) and is detachably and fixedly connected with the L-shaped support plate (7) at the upper end of the compression spring (1); the first circle of spring position at the lower part of the compression spring (1) also penetrates through a second plate member (9), and the second plate member (9) and the purline (6) form detachable fixed connection.
6. An electric clerestory lifting device according to claim 5, wherein the first pulley assembly (3) is fixed to the lower end surface of the first plate member (8).
7. An electric dormer lifting device according to claim 6, characterized in that the first pulley assembly (3) is located on the inner centre line of the compression spring (1).
8. The electric clerestory lifting device according to any one of claims 2-7, further comprising a second pulley assembly (4), wherein the second pulley assembly (4) is fixed on one side wall of the purlin (6), one end of the pull wire (2) is fixed on the other corresponding side wall of the purlin (6), and the other end of the pull wire (2) is sequentially wound around the first pulley assembly (3) and the second pulley assembly (4) and led out from the lower end of the compression spring (1).
9. An electric clerestory lifting device according to claim 8, characterized in that the first pulley assembly (3) is a guide pulley for reducing the force acting on the pull wire (2), and the second pulley assembly (4) is a movable pulley for changing the direction of the pull wire (2).
10. The electric clerestory lifting device according to claim 1, wherein the power device (10) is a winch which is provided with both electric power supply and manual power supply, and an electric self-locking mechanism which controls the pull wire (2) is arranged in the winch, when power failure occurs, the electric self-locking mechanism releases the pull wire (2), and the clerestory automatically rises by the jacking force of the compression spring (1) to open the clerestory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010075790.5A CN111255139A (en) | 2020-01-22 | 2020-01-22 | Electric clerestory lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010075790.5A CN111255139A (en) | 2020-01-22 | 2020-01-22 | Electric clerestory lifting device |
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| Publication Number | Publication Date |
|---|---|
| CN111255139A true CN111255139A (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010075790.5A Pending CN111255139A (en) | 2020-01-22 | 2020-01-22 | Electric clerestory lifting device |
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| Country | Link |
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| CN (1) | CN111255139A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2303916A1 (en) * | 1975-03-11 | 1976-10-08 | Musitelli | Smoke escape skylight automatically opening in case of fire - has frame with automatic release lock for panel opened by springs with oil and air shock absorbers |
| CN101827991A (en) * | 2007-12-19 | 2010-09-08 | Vkr控股公司 | A window, a method for mounting a window, and a set of parts |
| CN204283059U (en) * | 2014-12-09 | 2015-04-22 | 浙江大丰实业股份有限公司 | Skylight hand release |
| CN105366501A (en) * | 2015-11-02 | 2016-03-02 | 康力电梯股份有限公司 | Ventilating device of lift car |
| CN108952415A (en) * | 2018-08-14 | 2018-12-07 | 湖南省康普通信技术有限责任公司 | A kind of power-off automatic opening motorized adjustment skylight |
| CN110359803A (en) * | 2019-06-13 | 2019-10-22 | 天津海瑞德自动化设备有限公司 | The emergency manual switch window electric machine that has a power failure can be achieved in one kind |
-
2020
- 2020-01-22 CN CN202010075790.5A patent/CN111255139A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2303916A1 (en) * | 1975-03-11 | 1976-10-08 | Musitelli | Smoke escape skylight automatically opening in case of fire - has frame with automatic release lock for panel opened by springs with oil and air shock absorbers |
| CN101827991A (en) * | 2007-12-19 | 2010-09-08 | Vkr控股公司 | A window, a method for mounting a window, and a set of parts |
| CN204283059U (en) * | 2014-12-09 | 2015-04-22 | 浙江大丰实业股份有限公司 | Skylight hand release |
| CN105366501A (en) * | 2015-11-02 | 2016-03-02 | 康力电梯股份有限公司 | Ventilating device of lift car |
| CN108952415A (en) * | 2018-08-14 | 2018-12-07 | 湖南省康普通信技术有限责任公司 | A kind of power-off automatic opening motorized adjustment skylight |
| CN110359803A (en) * | 2019-06-13 | 2019-10-22 | 天津海瑞德自动化设备有限公司 | The emergency manual switch window electric machine that has a power failure can be achieved in one kind |
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Application publication date: 20200609 |
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