CN102328345A - Device and method for increasing vibration in preparation process of concrete structural member - Google Patents
Device and method for increasing vibration in preparation process of concrete structural member Download PDFInfo
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- CN102328345A CN102328345A CN201110254736A CN201110254736A CN102328345A CN 102328345 A CN102328345 A CN 102328345A CN 201110254736 A CN201110254736 A CN 201110254736A CN 201110254736 A CN201110254736 A CN 201110254736A CN 102328345 A CN102328345 A CN 102328345A
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- rotating shaft
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Abstract
The invention is applicable to the technical field of civil engineering and provides a device and method for increasing vibration in a preparation process of a concrete structural member. The device comprises a jacking mechanism used for periodically jacking a rotating shaft of a rotating wheel of a centrifugal machine and a control mechanism used for controlling the jacking mechanism to be separated from or contacted with the rotating shaft of the rotating wheel. When vibration is required to be increased in a concrete centrifugalization process, the control mechanism controls the jacking mechanism to be contacted with the rotating shaft of the rotating wheel, and the jacking mechanism periodically jacks the rotating shaft of the rotating wheel, thus the rotating wheel jacks a mould periodically, vibration can be realized and concrete distribution is uniform in the mould; when no vibration is required, the control mechanism controls the jacking mechanism to be separated from the rotating shaft of the rotating wheel, thus the production and time of vibration can be controlled, the concrete distribution is uniform in the centrifugalization process, the distribution time is short, the prepared concrete structural member has the advantages of high compression strength and excellent durability, and the product quality is greatly improved.
Description
Technical field
The invention belongs to technical field of civil engineering, relating in particular to increases the device and method that vibrates a kind of the preparation at concrete structure in the process.
Background technology
Along with the acceleration of urbanization process, each big infrastructure project starts one after another, makes that concrete structure demands such as concrete duct member, hollow concrete pile tube member, concurrent are increasing.And it is more to make the required material of single concrete structure, so make that its cloth in the preparation process is even inadequately, made concrete structure compression strength is low, and poor durability has seriously influenced the quality of product.
Though preparing at the existing concrete structural member has increased vibration in the process, should vibration uncontrollable as directly on the main wheel of centrifuge or runner, setting up convexity, also influence the quality of product.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of and prepares the device that increases vibration in the process at concrete structure, and being intended to solve the existing concrete structural member, to prepare in the process vibration uncontrollable, influences the problem of product quality.
The embodiment of the invention is to realize like this; A kind ofly prepare in the process device that increases vibration at concrete structure, comprise with the rotating shaft of centrifuge runner periodically jacking lifting body and control the controlling organization that said lifting body makes itself and the rotating shaft of said runner be separated or contact.
Another purpose of the embodiment of the invention is to provide a kind of centrifuge, and said centrifuge has said apparatus.
Another purpose of the embodiment of the invention is to provide a kind of and prepares the method that increases vibration in the process at concrete structure, said method comprising the steps of:
Apply vibration in the low-speed centrifugal stage, so that concrete distributing is even;
Withdraw vibration in the high speed centrifugation stage, so that the concrete draining is closely knit;
The speed of wherein said low-speed centrifugal and ultracentrifugal speed differ 300～1100r/min.
The embodiment of the invention is provided with the lifting body with its periodicity jacking in the rotating shaft of centrifuge runner; In the time of need adding vibration in the concrete centrifugal process; Contacted with the rotating shaft of runner by this lifting body of controlling organization control, periodically with the rotating shaft jack-up of runner, runner is with mold cycle property jack-up like this for lifting body thereafter; Can realize vibration, make the concrete distributing in the mould even; When need not to vibrate, the rotating shaft of being controlled this lifting body and runner by controlling organization is separated, and so can control the time of whether vibrating and vibrating.This mode that the vibration that increases in the concrete centrifugal technology is controlled makes that concrete cloth in centrifugal process is even, and the cloth time is short, and made concrete structure compression strength is high, and durability is good, has greatly promoted the quality of product.Be particularly useful for the manufacturing of concrete structures such as concrete duct member, hollow concrete pile tube member, concurrent.
Description of drawings
Fig. 1 be the embodiment of the invention one provide prepare in the process structural representation of the device that increases vibration at concrete structure;
Fig. 2 is the structural representation of the centrifuge that provides of the embodiment of the invention one;
Fig. 3 is the location diagram (when vibrating wheels is separated with the accessory whorl rotating shaft) of eccentric shaft and vibrating wheels in the embodiment of the invention one;
Fig. 4 is the location diagram (when vibrating wheels contacts with the accessory whorl rotating shaft) of eccentric shaft and vibrating wheels in the embodiment of the invention one;
Fig. 5 be the embodiment of the invention two provide prepare in the process structural representation of the device that increases vibration at concrete structure;
Fig. 6 is the structural representation of the centrifuge that provides of the embodiment of the invention two;
Fig. 7 is the location diagram (when vibrating wheels is separated with drive) of eccentric shaft and vibrating wheels in the embodiment of the invention two;
Fig. 8 is the location diagram (when vibrating wheels contacts with drive) of eccentric shaft and vibrating wheels in the embodiment of the invention two;
Fig. 9 be the embodiment of the invention provide prepare in the process realization flow figure of the method that increases vibration at concrete structure.
The specific embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention is provided with the lifting body with its periodicity jacking in the rotating shaft of centrifuge runner; In the time of need adding vibration in the concrete centrifugal process; Contacted with the rotating shaft of runner by this lifting body of controlling organization control, periodically with the rotating shaft jack-up of runner, runner is with mold cycle property jack-up like this for lifting body thereafter; Can realize vibration, make the concrete distributing in the mould even; When need not to vibrate, the rotating shaft of being controlled this lifting body and runner by controlling organization is separated, and so can control the time of whether vibrating and vibrating.This mode that the vibration that increases in the concrete centrifugal technology is controlled makes that concrete cloth in centrifugal process is even, and the cloth time is short, and made concrete structure compression strength is high, and durability is good, has greatly promoted the quality of product.
Be that example is described in detail realization of the present invention below with the drainpipe.
Embodiment one
Shown in Fig. 1～4, the embodiment of the invention provide concrete structure prepare in the process device that increases vibration comprise with the rotating shaft of centrifuge runner periodically jacking lifting body 1 and control the controlling organization 2 that this lifting body 1 makes it be separated or contact with the rotating shaft of runner.When if concrete need add vibration in centrifugal process; Contacted with the rotating shaft of runner by controlling organization 2 these lifting bodies 1 of control, periodically with the rotating shaft jack-up of runner, runner is with mold cycle property jack-up like this for lifting body 1 thereafter; Can realize vibration, make the concrete distributing in the mould even; When need not to vibrate, be separated, so can control the time of whether vibrating and vibrating by of the rotating shaft of this lifting body 1 of controlling organization 2 controls with runner.This mode that the vibration that increases in the concrete centrifugal technology is controlled makes that concrete cloth in centrifugal process is even, and the cloth time is short, and made concrete structure compression strength is high, and durability is good, has greatly promoted the quality of product.
Existing centrifuge has a pair of main wheel 3 and a pair of accessory whorl 4, and the power of motor 5 outputs is sent to accessory whorl 4 via belt 6, main wheel 3, mould 7.Generally lifting body 1 is installed in the position of closing on accessory whorl rotating shaft 41, makes lifting body 1 be separated with the rotating shaft 41 of centrifuge accessory whorl down or contact in the control of controlling organization 2.Originally increasing the device that shakes does not influence main wheel 3 input power, and mould 7 rotary speeies are unaffected, guarantee that under the situation that increases vibration concrete is normally centrifugal, and it is good to increase the improvement effect that shakes.
Certainly, accessory whorl rotating shaft 41 is arranged in clutch shaft bearing 42, and this clutch shaft bearing 42 is by 43 supports of clutch shaft bearing seat that contact with job platform 9 activities.Because of periodically jack-up of quilt is understood in accessory whorl rotating shaft 41, for preventing 43 displacements of clutch shaft bearing seat, clutch shaft bearing seat 43 is moved up and down, clutch shaft bearing seat 43 is bolted at job platform 9.
Usually, lifting body 1 has the periodically vibrating wheels 11 of jacking accessory whorl rotating shaft 41, and this vibrating wheels 11 is separated with accessory whorl rotating shaft 41 under the control of controlling organization 2 or contacted.When if concrete need add vibration in centrifugal process; Contacted with accessory whorl rotating shaft 41 by controlling organization 2 these vibrating wheels 11 of control, vibrating wheels 11 is periodically with accessory whorl rotating shaft 41 jack-up thereafter, and accessory whorl 4 is with mould 7 periodicity jack-up like this; Can realize vibration, make the concrete distributing in the mould 7 even; When need not to vibrate, be separated with accessory whorl rotating shaft 41, so can control the time of whether vibrating and vibrating by this vibrating wheels 11 of controlling organization 2 controls.This mode that the vibration that increases in the concrete centrifugal technology is controlled makes that concrete cloth in centrifugal process is even, and the cloth time is short, and made concrete structure compression strength is higher, and durability is better, has further promoted the quality of product.
Above-mentioned vibrating wheels 11 is located at the eccentric shaft 12 that is connected with controlling organization 2.Particularly; This eccentric shaft 12 has a larger axis 121 and the less axle 122 that is positioned at these larger axis 121 two ends; Vibrating wheels 11 is installed on the less axle 122 that is arranged with second bearing 123; And controlling organization 2 and these larger axis 121 Joints, wherein the axis of this less axle 122 is parallel to the axis of larger axis 121.When vibrating wheels 11 contacts with accessory whorl rotating shaft 41, the axis of less axle 122 will be positioned at the top of the axis of larger axis 121 down in the control of controlling organization 2; When vibrating wheels 11 is separated with accessory whorl rotating shaft 41, the axis of less axle 122 will be positioned at the below of the axis of larger axis 121 down in the control of controlling organization 2.In view of the above, controlling organization 2 via the contact between eccentric shaft 12 vibrating wheels 11 more easy to control and the accessory whorl rotating shaft 41 with separate.
Vibrating wheels 11 has a plurality of breach 110 in the embodiment of the invention, and when this vibrating wheels 11 contacted with accessory whorl rotating shaft 41, this accessory whorl rotating shaft 41 contacted with two edge 111 lines of one of them breach.Concrete centrifugal applies vibration, drives vibrating wheels 11 rotations in the time of accessory whorl rotating shaft 41 rotations, and when accessory whorl rotating shaft 41 contacted with two edge 111 lines of vibrating wheels 11 one of them breach, accessory whorl 4 was in low spot with mould 7; Accessory whorl rotating shaft 41 is during with vibrating wheels 11 tangent contacts, and accessory whorl 4 is in high point with mould 7; So circulation, accessory whorl 4 revolves and turns around, and vibrating wheels 11 is also revolved and is turned around, and mould 7 vibrates repeatedly, and the number of times of one-period inner mold 7 vibrations is identical with the number of vibrating wheels 11 breach; And the size of breach 110 has determined the amplitude of accessory whorl 4 and mould 7.Present embodiment utilizes the breach 110 on the vibrating wheels to realize vibration so dexterously, and the vibration rule is smooth and easy.
For making lifting body 1 steadily with accessory whorl rotating shaft 41 jack-up, controlling organization 2 is preferably telescopic hydraulic brake mechanism, as has the jack 21 of push rod 22.Eccentric shaft 12 is arranged in the 3rd bearing 13, the three bearings 13 and is supported by the bearing block that is fixed in job platform 9 14.This eccentric shaft 12 is in the 3rd bearing 13, rotating to an angle under the effect of push rod 21; Make relative position change between the axis of axis and larger axis 121 of less axle 122; So can change the position that is positioned at the vibrating wheels 11 on the less axle 122; Make vibration controlled, and this control procedure is simple, convenient.
Embodiment two
As an alternative embodiment of the invention, accessory whorl rotating shaft 41 is provided with the drive 44 that separates or contact with vibrating wheels 15.Contact with vibrating wheels 15 via drive 44, be beneficial to protection accessory whorl rotating shaft 41, shown in Fig. 5～8.Different with last embodiment is, the side of vibrating wheels 15 is a complete periphery in the present embodiment, and on drive 44, establishes a plurality of breach 440.Likewise, when vibrating wheels 15 contacted with drive 44, vibrating wheels 15 contacted with two edge 441 lines of drive 44 one of them breach.Concrete centrifugal applies vibration, drives drive 44 rotations in the time of accessory whorl rotating shaft 41 rotations, and when vibrating wheels 15 contacted with two edge 441 lines of drive 44 one of them breach, accessory whorl 4 was in low spot with mould 7; Vibrating wheels 11 is during with drive 44 tangent contacts, and accessory whorl 4 is in high point with mould 7; So circulation, accessory whorl 4 revolves and turns around, and vibrating wheels 11 is also revolved and is turned around, and mould 7 vibrates repeatedly, and the number of times of one-period inner mold 7 vibrations is identical with the number of drive 44 breach; And the size of breach 440 has determined the amplitude of accessory whorl 4 and mould 7.The so ingenious breach 440 of drive that utilizes of present embodiment is realized vibration, and this drive 44 protected accessory whorl rotating shaft 41, makes vibration rule more, and is smooth and easy.
Identical with last embodiment is that vibrating wheels 15 is located at the eccentric shaft 12 that is connected with controlling organization 2.At this moment, when vibrating wheels 15 contacts with drive 44, the axis of less axle 122 will be positioned at the top of the axis of larger axis 121 down in the control of controlling organization 2; When vibrating wheels 15 is separated with drive 44, the axis of less axle 122 will be positioned at the below of the axis of larger axis 121 down in the control of controlling organization 2.
For making lifting body 1 steadily with accessory whorl rotating shaft 41 jack-up, controlling organization 2 is preferably telescopic hydraulic brake mechanism, as has the jack 21 of push rod 22.Eccentric shaft 12 is arranged in the 3rd bearing 13, the three bearings 13 and is supported by the bearing block that is fixed in job platform 9 14.This eccentric shaft 12 is in the 3rd bearing 13, rotating to an angle under the effect of push rod 21; Make relative position change between the axis of axis and larger axis 121 of less axle 122; So can change the position that is positioned at the vibrating wheels 11 on the less axle 122; Make vibration controlled, and this control procedure is simple, convenient.
Should be appreciated that jack and push rod thereof in vibrating wheels, drive and the controlling organization in the above-mentioned lifting body are two, and be good that each mechanism's stress balance also is convenient to structural design with symmetric design.
The embodiment of the invention can realize vibrating controlled concrete centrifugal technology after adopting said apparatus.What Fig. 9 showed that the embodiment of the invention provides prepares the realization flow that increases the method for vibration in the process at concrete structure.
In step S101, apply vibration in the low-speed centrifugal stage, so that concrete distributing is even.
The embodiment of the invention is got the raw materials ready earlier and is stirred; Follow feeding limit, limit low-speed centrifugal, the duration in this low-speed centrifugal stage is 2～5min, and motor speed is 400～500r/min; Wherein feeding and low-speed centrifugal finish simultaneously.Frequency in this low-speed centrifugal vibration that the stage adds is 500～1200 times/min, and amplitude is 1～2mm, and the vibration of this little amplitude that repeatedly circulates makes concrete distributing even, and effect is splendid.
In step S102, withdraw vibration in the high speed centrifugation stage, so that the concrete draining is closely knit.
The embodiment of the invention starts high speed centrifugation after feeding finishes, the duration in this high speed centrifugation stage is 6～16min, and motor speed is 800～1500r/min, and so high rotating speed is beneficial to draining, makes concrete compaction, and layering simultaneously is not obvious.Controlled because of vibrating, withdraw vibration in this high speed centrifugation stage, make xoncrete structure not be destroyed, guarantee product quality.
For preventing the uniformity of high speed centrifugation stage destruction concrete distributing, set up the middling speed eccentric phase between the stage in this low-speed centrifugal stage and high speed centrifugation.The duration of this middling speed eccentric phase is 1.5～3min, and motor speed is 600～800r/min.Certainly,, also can apply vibration, guarantee that cloth is even in this middling speed eccentric phase if when made concrete structure needs more material.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. one kind prepares in the process device that increases vibration at concrete structure; It is characterized in that said device comprises the lifting body of the rotating shaft periodicity jacking of centrifuge runner and controls the controlling organization that said lifting body makes itself and the rotating shaft of said runner be separated or contact.
2. device as claimed in claim 1 is characterized in that, said lifting body is separated with the rotating shaft of said centrifuge accessory whorl under the control of said controlling organization or contacts.
3. device as claimed in claim 2 is characterized in that, said lifting body has the periodically vibrating wheels of the said accessory whorl rotating shaft of jacking, and said vibrating wheels is separated with said accessory whorl rotating shaft under the control of said controlling organization or contacted.
4. device as claimed in claim 3 is characterized in that said vibrating wheels is located at the eccentric shaft that is connected with said controlling organization.
5. device as claimed in claim 4; It is characterized in that; Said eccentric shaft has a larger axis and the less axle that is positioned at said larger axis two ends; Said vibrating wheels is installed on said less axle, said controlling organization and said larger axis Joint, and the axis of wherein said less axle is parallel to the axis of larger axis.
6. like claim 3,4 or 5 described devices, it is characterized in that said vibrating wheels has a plurality of breach, when said vibrating wheels contacted with said accessory whorl rotating shaft, said accessory whorl rotating shaft contacted with two edge lines of said one of them breach of vibrating wheels.
7. like claim 3,4 or 5 described devices, it is characterized in that said accessory whorl rotating shaft is provided with the drive that separates or contact with said vibrating wheels.
8. device as claimed in claim 7 is characterized in that said drive has a plurality of breach, and when said vibrating wheels contacted with said drive, said vibrating wheels contacted with two edge lines of said one of them breach of drive.
9. device as claimed in claim 8 is characterized in that, said controlling organization is telescopic hydraulic brake mechanism.
10. a centrifuge is characterized in that, said centrifuge has like each described device in the claim 1～9.
11. one kind prepares in the process method that increases vibration at concrete structure, it is characterized in that, said method comprising the steps of:
Apply vibration in the low-speed centrifugal stage, so that concrete distributing is even;
Withdraw vibration in the high speed centrifugation stage, so that the concrete draining is closely knit;
The speed of wherein said low-speed centrifugal and ultracentrifugal speed differ 300～1100r/min.
12. method as claimed in claim 11 is characterized in that, the frequency of said vibration is 500～1200 times/min, and amplitude is 1～2mm.
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| CN 201110254736 CN102328345B (en) | 2011-08-31 | 2011-08-31 | Device and method for increasing vibration in preparation process of concrete structural member |
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| CN 201110254736 CN102328345B (en) | 2011-08-31 | 2011-08-31 | Device and method for increasing vibration in preparation process of concrete structural member |
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| CN102328345B CN102328345B (en) | 2013-10-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123546A (en) * | 2020-09-29 | 2020-12-25 | 湖南楚怀建材有限公司 | A cement watering feeding device for pole production |
| CN114536541A (en) * | 2022-01-18 | 2022-05-27 | 广东三和管桩股份有限公司 | Tubular pile production method and equipment based on tubular pile centrifugal process and storage medium |
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| JPH03103343A (en) * | 1989-09-16 | 1991-04-30 | Nakagawa Fume Kan Kogyo Kk | Centrifugal molding of concrete product |
| CN1954982A (en) * | 2005-10-28 | 2007-05-02 | 上海中技桩业发展有限公司 | Method for manufacturing prestressed high strength pile material |
| CN101181802A (en) * | 2006-11-14 | 2008-05-21 | 聂磊 | Forming die of cement permeable pipes and forming technique |
| CN101486227A (en) * | 2008-01-18 | 2009-07-22 | 王安劳 | Method for manufacturing well pipe |
| CN201848918U (en) * | 2010-09-29 | 2011-06-01 | 西安润禾建材设备有限公司 | Centrifuging and vibrating process unit for producing reinforced concrete pipes |
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| JP3103343B2 (en) * | 1998-12-30 | 2000-10-30 | 株式会社三井ハイテック | Method of manufacturing laminated magnetic core for stator and mold apparatus used in the method |
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| GB2100657A (en) * | 1981-06-22 | 1983-01-06 | Amey Roadstone Corp | Centrifugal moulding concrete pipe |
| JPH03103343A (en) * | 1989-09-16 | 1991-04-30 | Nakagawa Fume Kan Kogyo Kk | Centrifugal molding of concrete product |
| CN1954982A (en) * | 2005-10-28 | 2007-05-02 | 上海中技桩业发展有限公司 | Method for manufacturing prestressed high strength pile material |
| CN101181802A (en) * | 2006-11-14 | 2008-05-21 | 聂磊 | Forming die of cement permeable pipes and forming technique |
| CN101486227A (en) * | 2008-01-18 | 2009-07-22 | 王安劳 | Method for manufacturing well pipe |
| CN201848918U (en) * | 2010-09-29 | 2011-06-01 | 西安润禾建材设备有限公司 | Centrifuging and vibrating process unit for producing reinforced concrete pipes |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123546A (en) * | 2020-09-29 | 2020-12-25 | 湖南楚怀建材有限公司 | A cement watering feeding device for pole production |
| CN112123546B (en) * | 2020-09-29 | 2021-11-26 | 湖南楚怀建材有限公司 | A cement watering feeding device for pole production |
| CN114536541A (en) * | 2022-01-18 | 2022-05-27 | 广东三和管桩股份有限公司 | Tubular pile production method and equipment based on tubular pile centrifugal process and storage medium |
| CN114536541B (en) * | 2022-01-18 | 2024-04-02 | 广东三和管桩股份有限公司 | Tubular pile production method, equipment and storage medium based on tubular pile centrifugation technology |
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Owner name: FOGANG LONGQING ELECTRIC POWER EQUIPMENT CO., LTD. Free format text: FORMER OWNER: HUANG HEMING Effective date: 20150518 |
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Effective date of registration: 20150518 Address after: 511699 Liantang village, Fogang County, Qingyuan, Guangdong Patentee after: Fogang Dragon Power Equipment Co., Ltd. Address before: 511600 Guangdong city of Shenzhen province Futian District Whampoa court indihome garden 3A block 20A Patentee before: Huang Heming |