CN112681721A - Steel building template with noise reduction function - Google Patents
Steel building template with noise reduction function Download PDFInfo
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- CN112681721A CN112681721A CN202011631962.9A CN202011631962A CN112681721A CN 112681721 A CN112681721 A CN 112681721A CN 202011631962 A CN202011631962 A CN 202011631962A CN 112681721 A CN112681721 A CN 112681721A
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Abstract
The invention discloses a steel building template with a noise reduction function, and relates to the technical field of building templates. This steel building templates with function of making an uproar falls, the package rubbing board comprises a board surface, set up the mounting hole that is equidistance array form and distributes in the face, and all be provided with in the mounting hole and fall the mechanism of making an uproar, the upper and lower both sides of face are run through respectively at the upper and lower both ends of mounting hole, fall the mechanism of making an uproar and include flexiplast, deformation bag, kinetic energy consumption mechanism and cooperation damping mechanism, the quantity of flexiplast is two, and the outer department of following of two flexiplast bonds respectively in the upper and lower both sides of mounting hole inner wall, the equal fixedly connected with deformation bag in. This steel building template with function of making an uproar falls utilizes the mechanism of making an uproar and cooperates the function of damping mechanism, has effectively ensured that the template under arbitrary horizontality and weather environment, the homoenergetic can obtain effectual amplitude to handle to ensure that it can not produce the noise of great loudness receiving the in-process of striking and assaulting.
Description
Technical Field
The invention relates to the technical field of building templates, in particular to a steel building template with a noise reduction function.
Background
The building templates are formworks and supports formed by pouring concrete, and can be divided into building templates, building wood-glue boards, film-coated boards, multilayer boards, double-faced compound glue, double-faced film-coated building templates and the like according to the properties of materials. The building template can be divided into a cast-in-place concrete template, a pre-assembled template, a large template, a jump template and the like according to construction process conditions.
During the construction operation of the building template, vibration generated by the template forms strong noise due to inevitable collision and installation and processing operation on the surface of the template, and irreversible permanent damage is easily caused to the hearing of field constructors along with the increase of time.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the steel building template with the noise reduction function, which can effectively reduce the noise generated by vibration in the construction process of the template, thereby effectively protecting the hearing health of constructors.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a steel building templates with function of making an uproar is fallen, includes the face, set up the mounting hole that is equidistance array form and distribute in the face, and all be provided with in the mounting hole and fall the mechanism of making an uproar, the upper and lower both sides of face are run through respectively at the upper and lower both ends of mounting hole.
Preferably, it includes flexile membrane, deformation bag, kinetic energy consumption mechanism and cooperation damping mechanism to fall the mechanism of making an uproar, the quantity of flexile membrane is two, and just the outer department of following of two flexile membranes bonds respectively in the upper and lower both sides of mounting hole inner wall, and the equal fixedly connected with deformation bag in middle part of the relative one side of two flexile membranes, and kinetic energy consumption mechanism is located the inner chamber middle part of mounting hole, and the upper and lower both sides of kinetic energy consumption mechanism respectively with the relative one end fixed connection of two deformation bags, the inner chamber middle part of two deformation bags all is provided with cooperation damping mechanism.
Preferably, the middle part of the flexible membrane is sunken towards the mounting hole, and the outer edge of the flexible membrane is flush with the surface of the plate surface.
Preferably, kinetic energy consumption mechanism includes first clean shot, solid fixed ring, first magnetic sheet, activity ball, second magnetic sheet, flexible connecting rod and spherical bag, the upper and lower both sides of first clean shot respectively with the relative one side fixed connection of two deformation bags, both sides fixed connection is both sides around first clean shot inner wall respectively around solid fixed ring, the first magnetic sheet of several is the equidistance and encircles the form and inlay the inner circle department at solid fixed ring, the several activity ball is the equidistance and encircles form sliding connection between first clean shot inner wall and solid fixed ring outer lane, one side of the relative solid fixed ring of several activity ball inner wall all inlays and is equipped with the second magnetic sheet, through flexible connecting rod fixed connection between per two adjacent activity balls, and the middle part of flexible connecting rod inlays and is equipped with spherical bag.
Preferably, the first magnetic sheet and the second magnetic sheet are attracted by magnetic force, and the spherical bag is filled with non-Newtonian fluid.
Preferably, cooperation damping mechanism includes the second clean shot, connect soft muscle, ring channel, slide, dead lever and counterweight ball, the second clean shot is located the inner chamber middle part of deformation bag and closely laminates rather than the inner wall, the outer fixed surface of second clean shot is the soft muscle of connection that the equidistance encircles the form and distributes, and connect soft muscle two be a set of all with the outer fixed surface of second clean shot be connected, connect soft muscle keep away from the one end of second clean shot all with the inner wall fixed connection of deformation bag, the ring channel is seted up in the second hollow ball, slide sliding connection is in the ring channel, the top of dead lever and the bottom fixed connection of slide, counterweight ball fixed connection is in the bottom of dead lever.
The invention provides a steel building template with a noise reduction function. The method has the following beneficial effects:
(1) this steel building templates with function of making an uproar falls, the effective loss face of setting up through the mechanism of making an uproar falls receives the kinetic energy that the vibration had when strikeing and striking, and then reaches the effect of noise reduction loudness through the mode that weakens face vibration amplitude, reaches the multiple spot covering effect to the face based on the distribution mode of the equidistant array form of the mechanism of making an uproar falls simultaneously to the vibration amplitude that produces when fully reducing the face and receiving the striking and strikeing weakens noise loudness.
(2) This steel building templates with function of making an uproar falls, based on the mode of setting up of mechanism of making an uproar for when the face is arbitrary horizontality installation, the mechanism of making an uproar all can use its normal function of falling, carries out the noise weakening processing to the face that is arbitrary horizontality installation, causes the injury to constructor's hearing with the noise that prevents to produce owing to striking or impact the template in the construction operation process.
(3) This steel building templates with function of making an uproar falls, when summer temperature is higher, utilize cooperation damping mechanism to improve the consumption effect of falling the mechanism of making an uproar kinetic energy when vibrating to the face to correspond the faster characteristics of sound transmission under the higher environment of temperature, reach the propagation that produces the noise to the face vibration and hinder the effect, and then weaken the noise loudness that the template produced when receiving striking or assaulting.
(4) This steel building templates with function of making an uproar falls, when the winter temperature is lower, based on outside air current with fall the contact of mechanism of making an uproar as the source power, make and fall the mechanism of making an uproar and the cooperation damping mechanism and continuously produce rocking of certain range, reduce the weakening effect to the face amplitude simultaneously to avoid falling the mechanism of making an uproar and the freezing condition that leads to toughness to reduce the function impaired appearance of mechanism of making an uproar and cooperation damping mechanism, and then effectively ensured the life of the mechanism of making an uproar and cooperation damping mechanism of falling.
(5) This steel building templates with function of making an uproar falls utilizes the joint operation of falling the mechanism of making an uproar and cooperation damping mechanism, has effectively ensured that the template under arbitrary horizontality and weather environment, the homoenergetic can obtain effectual amplitude to be handled to ensure that it can not produce the noise of great loudness receiving the in-process of striking and assaulting, played effective guarantee to the constructor hearing health that is close to the template and is carried out the construction operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2;
FIG. 4 is a right side cross-sectional view of the kinetic energy dissipating mechanism of the present invention;
FIG. 5 is a front cross-sectional view of the cooperative damping mechanism of the present invention.
In the figure: the device comprises a plate surface 1, a mounting hole 2, a noise reduction mechanism 3, a flexible membrane 31, a deformation bag 32, a kinetic energy consumption mechanism 33, a vibration reduction mechanism 34, a first hollow ball 331, a fixed ring 332, a first magnetic sheet 333, a movable ball 334, a second magnetic sheet 335, a flexible connecting rod 336, a spherical bag 337, a second hollow ball 341, a soft connecting rib 342, an annular groove 343, a sliding sheet 344, a fixed rod 345 and a counterweight ball 346.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a steel building templates with function of making an uproar is fallen, includes face 1, offers the mounting hole 2 that is equidistance array form and distributes in face 1, and all is provided with in mounting hole 2 and falls the mechanism 3 of making an uproar, and the upper and lower both ends of mounting hole 2 run through the upper and lower both sides of face 1 respectively.
The kinetic energy consumption mechanism 33 comprises a first hollow ball 331, a fixed ring 332, first magnetic pieces 333, movable balls 334, second magnetic pieces 335, a flexible connecting rod 336 and a spherical bag 337, wherein the upper side and the lower side of the first hollow ball 331 are respectively and fixedly connected with the opposite sides of the two deformation bags 32, the front side and the rear side of the fixed ring 332 are respectively and fixedly connected with the front side and the rear side of the inner wall of the first hollow ball 331, a plurality of first magnetic pieces 333 are embedded at the inner ring of the fixed ring 332 in an equidistant surrounding manner, a plurality of movable balls 334 are slidably connected between the inner wall of the first hollow ball 331 and the outer ring of the fixed ring 332 in an equidistant surrounding manner, one side of the inner wall of each movable ball 334, which is opposite to the fixed ring 332, is embedded with the second magnetic pieces 335, every two adjacent movable balls 334 are fixedly connected through the flexible connecting rod 336, the spherical bag 337 is, spherical balloon 337 is filled with a non-Newtonian fluid.
The matching vibration reduction mechanism 34 comprises a second hollow ball 341, a connecting soft rib 342, an annular groove 343, a sliding sheet 344, a fixed rod 345 and a counterweight ball 346, the second hollow ball 341 is positioned in the middle of an inner cavity of the deformation bag 32 and is tightly attached to the inner wall of the deformation bag, a plurality of groups of connecting soft ribs 342 are distributed in an equidistant surrounding manner and fixedly connected to the outer surface of the second hollow ball 341, two groups of connecting soft ribs 342 are fixedly connected to the outer surface of the second hollow ball 341, one end of the connecting soft rib 342, far away from the second hollow ball 341, is fixedly connected to the inner wall of the deformation bag 32, the annular groove 343 is formed in the second hollow ball 341, the sliding sheet 344 is slidably connected in the annular groove 343, the top end of the fixed rod 345 is fixedly connected to the bottom end of the sliding sheet 344.
When the plate surface 1 is impacted or impacted, the flexible membrane 31 synchronously shakes and transmits the shake to the first hollow ball 331 through the deformation bag 32, the first hollow ball 331 in a static state is subjected to the vibration force transmitted by the deformation bag 32, the balance state is broken and shakes, the static state of the movable ball 334 is broken in the shaking process, instantaneous friction force enables the movable ball 334 to shift and move relatively based on the magnetic attraction force between the first magnetic sheet 333 and the second magnetic sheet 335, the vibration force applied to the first hollow ball 331 is lost based on the friction between the movable ball 334 and the first hollow ball 331, meanwhile, the flexible connecting rod 336 is extruded in the shifting process of the movable ball 334, the spherical bag 337 is extruded to press non-Newtonian fluid in the spherical bag and enable the non-Newtonian fluid to tend to be solidified, the vibration force is further slowly released, and when the environmental temperature of the plate surface 1 is higher, because the sound generated by the vibration has the same high propagation speed, at the moment, the deformation bag 32 is heated to expand and synchronously pull the connecting soft rib 342, so that the second hollow ball 341 is always positioned on the axis of the deformation bag 32 and is not in contact with the inner wall of the deformation bag, the vibration force is transmitted to the second hollow ball 341 through the deformation bag 32 and the connecting soft rib 342, the sliding piece 344 rocks in the annular groove 343 based on the relative friction force and drives the fixing rod 345 and the counterweight ball 346 to rock, the counterweight ball 346 further slowly releases the vibration force on the second hollow ball 341 in the rocking process, meanwhile, when the horizontal position of the board surface 1 changes, the fixing rod 345 and the sliding piece 344 are driven to slide along the annular groove 343 based on the weight of the counterweight ball 346 and always keep in a vertical state, when the environmental temperature of the board surface 1 is low, the deformation bag 32 contracts to attach the second hollow ball 341 to the inner wall of the second hollow ball 341, and simultaneously, the vibration generated when the external air flow contacts, compared with the operation state at higher temperature, the vibration of the board surface 1 is prevented from being further buffered by matching with the vibration damping mechanism 34, so that the kinetic energy consumption mechanism 33 is prevented from freezing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a steel building templates with function of making an uproar is fallen, includes face (1), its characterized in that: the panel is characterized in that mounting holes (2) distributed in an equidistant array mode are formed in the panel (1), noise reduction mechanisms (3) are arranged in the mounting holes (2), and the upper ends and the lower ends of the mounting holes (2) penetrate through the upper side and the lower side of the panel (1) respectively.
2. The steel building template with noise reduction function of claim 1, wherein: noise reduction mechanism (3) are including flexile membrane (31), deformation bag (32), kinetic energy consumption mechanism (33) and cooperation damping mechanism (34), the quantity of flexile membrane (31) is two, and the outer department of following of two flexile membranes (31) bonds respectively in the upper and lower both sides of mounting hole (2) inner wall, the equal fixedly connected with deformation bag (32) in middle part of one side that two flexile membranes (31) are relative, kinetic energy consumption mechanism (33) are located the inner chamber middle part of mounting hole (2), and the upper and lower both sides of kinetic energy consumption mechanism (33) respectively with the relative one end fixed connection of two deformation bags (32), the inner chamber middle part of two deformation bags (32) all is provided with cooperation damping mechanism (34).
3. The steel building template with noise reduction function of claim 2, wherein: the middle part of the flexible film (31) is sunken towards the mounting hole (2), and the outer edge of the flexible film (31) is flush with the surface of the plate surface (1).
4. The steel building template with noise reduction function of claim 2, wherein: the kinetic energy consumption mechanism (33) comprises a first hollow ball (331), a fixing ring (332), a first magnetic sheet (333), movable balls (334), a second magnetic sheet (335), a flexible connecting rod (336) and spherical bags (337), wherein the upper side and the lower side of the first hollow ball (331) are fixedly connected with the opposite sides of the two deformation bags (32) respectively, the front side and the rear side of each fixing ring (332) are fixedly connected with the front side and the rear side of the inner wall of the first hollow ball (331) respectively, a plurality of first magnetic sheets (333) are embedded at the inner ring of each fixing ring (332) in an equidistance surrounding manner, a plurality of movable balls (334) are slidably connected between the inner wall of the first hollow ball (331) and the outer ring of each fixing ring (332) in an equidistance surrounding manner, one side of the inner wall of each movable ball (334) relative to the fixing ring (332) is embedded with a second magnetic sheet (335), and every, and the middle part of the flexible connecting rod (336) is embedded with a spherical bag (337).
5. The steel building template with noise reduction function of claim 4, wherein: the first magnetic sheet (333) and the second magnetic sheet (335) are attracted by magnetic force, and the spherical bag (337) is filled with non-Newtonian fluid.
6. The steel building template with noise reduction function of claim 2, wherein: the matched vibration reduction mechanism (34) comprises a second hollow ball (341), connecting soft ribs (342), an annular groove (343), a sliding sheet (344), a fixed rod (345) and a counterweight ball (346), the second hollow ball (341) is positioned in the middle of an inner cavity of the deformation bag (32) and tightly attached to the inner wall of the deformation bag, the outer surface of the second hollow ball (341) is fixedly connected with a plurality of groups of connecting soft ribs (342) which are distributed in an equidistant surrounding manner, the two connecting soft ribs (342) are a group of connecting soft ribs and are fixedly connected with the outer surface of the second hollow ball (341), one end, far away from the second hollow ball (341), of each connecting soft rib is fixedly connected with the inner wall of the deformation bag (32), the annular groove (343) is arranged in the second hollow ball (341), the sliding sheet (344) is slidably connected in the annular groove (343), the top end of the fixed rod (345) is fixedly connected with the bottom of, the counterweight ball (346) is fixedly connected to the bottom end of the fixing rod (345).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011631962.9A CN112681721B (en) | 2020-12-31 | 2020-12-31 | Steel building template with noise reduction function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011631962.9A CN112681721B (en) | 2020-12-31 | 2020-12-31 | Steel building template with noise reduction function |
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| CN112681721A true CN112681721A (en) | 2021-04-20 |
| CN112681721B CN112681721B (en) | 2021-07-27 |
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| CN202011631962.9A Active CN112681721B (en) | 2020-12-31 | 2020-12-31 | Steel building template with noise reduction function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669385A (en) * | 2021-07-22 | 2021-11-19 | 池州职业技术学院 | Automobile brake device with noise reduction effect |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877565A (en) * | 2012-09-21 | 2013-01-16 | 左洪运 | Noise-reducing and shock-absorbing composite board |
| KR20170014571A (en) * | 2015-07-30 | 2017-02-08 | 금오공과대학교 산학협력단 | Inorganic insulating material having porous structure and Manufacturing method thereof |
| CN206396930U (en) * | 2016-12-14 | 2017-08-11 | 赵一赫 | A kind of combined type building board for being used to prevent and treat noise waves |
| CN206591665U (en) * | 2017-03-08 | 2017-10-27 | 惠安灿锐信息技术咨询有限公司 | A kind of sound panel being easily installed |
| CN206646804U (en) * | 2017-03-24 | 2017-11-17 | 吉林建筑大学 | A kind of building template for having heat insulation function |
| CN206829396U (en) * | 2017-06-05 | 2018-01-02 | 广州三和建筑工程有限公司 | A kind of architectural engineering sound insulation protective plate |
| CN108286331A (en) * | 2018-04-13 | 2018-07-17 | 沭阳县龙庙镇富欣木业制品厂 | A kind of wear resistant plastic building template |
| KR101908945B1 (en) * | 2018-03-06 | 2018-12-10 | 주식회사 신한씨에스 | Molding system using sound insulator and construction method therefor |
| CN208422400U (en) * | 2018-05-02 | 2019-01-22 | 西安科技大学 | A kind of noise isolating plate |
| JP2019100139A (en) * | 2017-12-07 | 2019-06-24 | 大成建設株式会社 | Construction method of sound absorbing concrete, and fixing planar member |
| CN109989574A (en) * | 2019-05-07 | 2019-07-09 | 江苏金环球建设有限公司 | A kind of plastic building template |
| CN209179476U (en) * | 2018-11-12 | 2019-07-30 | 广东圳通铝模科技有限公司 | A kind of aluminum alloy pattern plate component for building |
-
2020
- 2020-12-31 CN CN202011631962.9A patent/CN112681721B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877565A (en) * | 2012-09-21 | 2013-01-16 | 左洪运 | Noise-reducing and shock-absorbing composite board |
| KR20170014571A (en) * | 2015-07-30 | 2017-02-08 | 금오공과대학교 산학협력단 | Inorganic insulating material having porous structure and Manufacturing method thereof |
| CN206396930U (en) * | 2016-12-14 | 2017-08-11 | 赵一赫 | A kind of combined type building board for being used to prevent and treat noise waves |
| CN206591665U (en) * | 2017-03-08 | 2017-10-27 | 惠安灿锐信息技术咨询有限公司 | A kind of sound panel being easily installed |
| CN206646804U (en) * | 2017-03-24 | 2017-11-17 | 吉林建筑大学 | A kind of building template for having heat insulation function |
| CN206829396U (en) * | 2017-06-05 | 2018-01-02 | 广州三和建筑工程有限公司 | A kind of architectural engineering sound insulation protective plate |
| JP2019100139A (en) * | 2017-12-07 | 2019-06-24 | 大成建設株式会社 | Construction method of sound absorbing concrete, and fixing planar member |
| KR101908945B1 (en) * | 2018-03-06 | 2018-12-10 | 주식회사 신한씨에스 | Molding system using sound insulator and construction method therefor |
| CN108286331A (en) * | 2018-04-13 | 2018-07-17 | 沭阳县龙庙镇富欣木业制品厂 | A kind of wear resistant plastic building template |
| CN208422400U (en) * | 2018-05-02 | 2019-01-22 | 西安科技大学 | A kind of noise isolating plate |
| CN209179476U (en) * | 2018-11-12 | 2019-07-30 | 广东圳通铝模科技有限公司 | A kind of aluminum alloy pattern plate component for building |
| CN109989574A (en) * | 2019-05-07 | 2019-07-09 | 江苏金环球建设有限公司 | A kind of plastic building template |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669385A (en) * | 2021-07-22 | 2021-11-19 | 池州职业技术学院 | Automobile brake device with noise reduction effect |
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| CN112681721B (en) | 2021-07-27 |
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