CN106079029B - Suspension type high frequency tamping method and dedicated unit - Google Patents
Suspension type high frequency tamping method and dedicated unit Download PDFInfo
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- CN106079029B CN106079029B CN201610426733.0A CN201610426733A CN106079029B CN 106079029 B CN106079029 B CN 106079029B CN 201610426733 A CN201610426733 A CN 201610426733A CN 106079029 B CN106079029 B CN 106079029B
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- truss
- high frequency
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- flat plate
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/04—Producing shaped prefabricated articles from the material by tamping or ramming
- B28B1/045—Producing shaped prefabricated articles from the material by tamping or ramming combined with vibrating or jolting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
- B28B1/523—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement containing metal fibres
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
A kind of suspension type high frequency tamping method and dedicated unit, it, which mainly solves Reactive Powder Concrete, need to repeatedly vibrate the repeatedly technical problems such as leveling.Its key points of the technical solution are that: it installs to vibrate respectively at the both ends of the truss that vibrates (25) and flattens running gear (28), suspension type high frequency tamping device (22) are installed in the lower part of the truss that vibrates (25)；The suspension type high frequency tamping device (22) includes 2 pieces or more oscillating flat plates (222), and oscillating flat plate dip angle regulating device (224) are fitted on spring suspension device (223), makes oscillating flat plate (222) and horizontal in 1o ~ 70o angle.It is because without manual hand manipulation, efficiency is greatly improved, and planarization effects are more preferable, and flatness is also greatly improved, and realizes automated continuous operation.It is mainly used for the fields such as Reactive Powder Concrete production and construction.
Description
Technical field
The present invention relates to a kind of concrete to spread out and put on machinery, especially a kind of suspension type high frequency tamping device.
Background technique
Currently, normal concrete is because tensile strength is low, crack progressing cannot be controlled effectively etc. and be lacked after poor toughness and cracking
Point causes to cannot be used continuously the premature deterioration of concrete structure, also causes the durability of important concrete structure and make
It is greatly reduced with the service life.In order to overcome these disadvantages of concrete, superhigh tenacity cement-base composite material (ECC) is suggested application
In concrete, superhigh tenacity cement-base composite material be by using fracture mechanics and Micromechanics principle to material system into
Design, adjustment and the optimization of row system, and add the fiber of 2% ~ 3.5% volume fraction.Such superhigh tenacity cement-base composite material
Concrete afterwards can significantly improve the tensile capacity and shear resistance of concrete, because of the good toughness of such concrete, energy
The development of effective control distress in concrete, in the batch application that succeeded Practical Project.
Reactive Powder Concrete of the present invention be high intensity, high tenacity, high-modulus cement-base composite material, and
The characteristics of superhigh tenacity concrete of its interior mixing of steel fiber, its compression strength is high, superhigh tenacity, superior durability, it is especially suitable
Applied in important structure, such as compound section steel box girder structure, still, there is also a series of constructions passes in the actual construction process
Key problem is not easy to pour and vibrate if workability is poor, causes cloth difficult, sensitive to temperature and humidity in construction, and material includes
There is steel fibre, it is difficult to be stirred and be paved with conventional method, especially the conventional laying equipment of rapid solidifying characteristic of the concrete
It is also difficult to reach the continuous high-quality requirement of vibrating that uniformly paves with technique.
Beginning batch is researched and developed in recent years due to this new material to use, therefore is applicable in such dedicated mechanical equipment of characteristic concrete very
It is few.Common high frequency tamping device is because of palpus manual operation, inefficiency, and flatness is low, can not realize automated continuous operation.
Summary of the invention
High viscosity, high fluidity Reactive Powder Concrete can be stirred evenly and can the object of the present invention is to provide a kind of
Continuous production and high-efficient suspension type high frequency tamping method and dedicated unit.
The scheme that the present invention solves the use of its technical problem is: it passes through 2 parallel orbits of setting, and on parallel orbit
Installation, which is vibrated, flattens running gear 28, and the both ends for the truss 25 that vibrates, which are separately mounted to vibrate, to be flattened on running gear 28, is being shaken
Smash the lower part installation suspension type high frequency tamping device 22 of truss 25；While suspension type high frequency tamping device 22 continuously vibrates,
It is mounted on the suspension type high frequency tamping device 22 of the truss 25 that vibrates from vibrating to flatten running gear 28 and drive and is shaken to direction side
Smash side traveling.
The present invention can also cooperate suit leveling truss 25 ' in the side for the truss 25 that vibrates, and be arranged in leveling 25 ' bottom end of truss
Suspension type apparatus for leveling 21；The suspension type high frequency tamping device of the truss 25 that vibrates is mounted on by vibrating to flatten running gear 28 and drive
22 continuously when vibrating and advancing, while making the suspension type apparatus for leveling 21 for being mounted on leveling 25 ' bottom end of truss to the work vibrated
Make face and carry out screed operation, is once completed to realize to vibrate with screed operation.
High frequency tamping device include vibrate truss 25, vibrating flattens running gear 28 and suspension type high frequency tamping device 22,
It installs to vibrate respectively at the both ends for the truss 25 that vibrates and flattens running gear 28, suspension type high frequency is installed in the lower part for the truss 25 that vibrates
Tamping equipment 22；The suspension type high frequency tamping device 22 includes 2 pieces or more oscillating flat plates 222, on every piece of oscillating flat plate 222
It is separately installed with dither motor 221, and every piece of oscillating flat plate 222 is mounted on the truss that vibrates using spring suspension device 223
25 lower sections, oscillating flat plate dip angle regulating device 224 is fitted on spring suspension device 223, makes oscillating flat plate 222 and water
Flat is in 1o ~ 70o angle.
The present invention can also be provided with vibration absorber 225 between spring suspension device 223 and oscillating flat plate 222.
The present invention truss 25 or can also vibrate to flatten and be provided on running gear 28 and 221 phase of dither motor vibrating
Vibrating for cooperation flattens intelligent controlling device 26.
The oscillating flat plate 222 can be connected with each other by 2 with upper flat plate, and one group of oscillating flat plate 222 is 0.3 ~ 50m long
The slat chain of degree is realized and once completes operation of vibrating in this wide cut range.
The present invention can also be connected between 2 pieces of oscillating flat plates 222 using elastic plate, and it includes rubber that spring plate material, which uses,
Manufactured profile.
The present invention can also be provided with the coaming plate of 20 ~ 100mm high in the surrounding of oscillating flat plate 222, be arranged in front panel outstanding
Hanged hook 2 are arranged on squab panel, is connected between hook and coaming plate using hinged bolts for hook 1.
Spring suspension device 223 of the invention includes screw rod, nut, damping spring component, damping elastomer pad and hanged hook
Level compensating pad, wherein damping elastomer pad is mounted in screw rod bottom, and hanged hook level compensating pad is on damping elastomer pad, spiral shell
The suspension dog hole that bar passes through on oscillating flat plate 222 is connect with oscillating flat plate 222.
Front panel hanged hook, the preceding resilient suspension of oscillating flat plate dip angle regulating device 224 of the invention by oscillating flat plate 222
Device, the squab panel hanged hook of oscillating flat plate 222 and rear spring suspension device form, wherein set according to oscillating flat plate 222
Angle adjusts separately front panel hanged hook and squab panel hanged hook upper and lower position using adjustment screw yo-yo fashion, meets
The requirement of 222 angle with horizontal plane of oscillating flat plate.
The truss 25 that vibrates is composed using the firm truss interconnection by 2 or more.
The present invention can also cooperate suit leveling truss 25 ' in the side for the truss 25 that vibrates, and the leveling truss 25 ' can also be adopted
Formed with by two or more firm truss interconnections, the setting of leveling 25 ' bottom end of truss there are two or two with
Leveling plate pushing structure can be used in upper suspension type apparatus for leveling 21, the suspension type apparatus for leveling 21
The beneficial effects of the present invention are: after accurate material distributing machine cloth complete preset longitudinal cloth certain length, vibration leveling
Intelligent control device instruction starting suspension type high frequency tamping device starts to vibrate, and longitudinal running gear is walked forward by pre-set velocity, real
Existing high frequency tamping operation achievees the purpose that Reactive Powder Concrete vibration compacting and vibrates to drive bubble in concrete out of.It is because of nothing
Palpus manual hand manipulation, efficiency is greatly improved, and planarization effects are more preferable, and flatness is also greatly improved, and realizes certainly
Dynamicization is worked continuously.It is mainly used for the fields such as Reactive Powder Concrete production and construction.
Detailed description of the invention
Fig. 1 is perspective view of the invention,
Fig. 2 is front view of the invention,
Fig. 3 is top view of the invention,
Fig. 4 is sectional view of the invention,
Fig. 5 is structural schematic diagram of the invention.
In figure: 21- suspension type apparatus for leveling, 22- suspension type high frequency tamping device, 221- dither motor, 222- vibration
Dynamic plate, 223- spring suspension device, 224- oscillating flat plate dip angle regulating device, 225- vibration absorber, 25- vibrate truss,
25 '-leveling truss, 26-, which vibrates, flattens intelligent controlling device, and 28-, which vibrates, flattens running gear.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and examples.
It installs to vibrate and flattens running gear 28 by 2 parallel orbits of setting on parallel orbit, by the truss that vibrates
25 both ends, which are separately mounted to vibrate, to be flattened on running gear 28, in the lower part for the truss 25 that vibrates installation suspension type high frequency tamping dress
Set 22；While suspension type high frequency tamping device 22 continuously vibrates, vibrated by vibrating to flatten the drive of running gear 28 and be mounted on
The suspension type high frequency tamping device 22 of truss 25 is advanced to a direction when vibrating.
The present invention can also cooperate suit leveling truss 25 ' in the side for the truss 25 that vibrates, and be arranged in leveling 25 ' bottom end of truss
Suspension type apparatus for leveling 21；The suspension type high frequency tamping device of the truss 25 that vibrates is mounted on by vibrating to flatten running gear 28 and drive
22 continuously when vibrating and advancing, while making the suspension type apparatus for leveling 21 for being mounted on leveling 25 ' bottom end of truss to the work vibrated
Make face and carry out screed operation, is once completed to realize to vibrate with screed operation.
Embodiment 1, refering to fig. 1 to Fig. 5.Suspension type high frequency tamping device is filled including the truss 25 that vibrates, leveling walking of vibrating
28 and suspension type high frequency tamping device 22 are set, the both ends for the truss 25 that vibrates, which install to vibrate respectively, flattens running gear 28, is vibrating
The lower part of truss 25 is installed by suspension type high frequency tamping device 22；The suspension type high frequency tamping device 22 includes 2 pieces or more and vibrates
Plate 222 is separately installed with dither motor 221 on every piece of oscillating flat plate 222, and every piece of oscillating flat plate 222 uses bullet
Property suspension arrangement 223 be mounted on the lower section of truss 25 of vibrating, each dither motor 221 drives every piece of oscillating flat plate 222 respectively
It vibrates up and down；After material distributing machine cloth complete preset longitudinal cloth certain length, vibration leveling intelligent control device instruction starting suspension type
High frequency tamping device starts to vibrate, and longitudinal running gear is walked forward by pre-set velocity, realizes high frequency tamping operation, reaches activity
Powder concrete vibration compacting simultaneously vibrates the purpose for driving bubble in concrete out of.
Described vibrate flattens running gear 28 and can refer to single 2 be separately mounted on two siding tracks walking dress
It sets, the both ends for the truss 25 that vibrates are in mating connection with the running gear at both ends respectively, and can install between 2 running gears same
Walk device；It is described vibrate flatten running gear 28 may also mean that be separately mounted on two siding tracks in pairs 2 walkings dress
It sets, the truss 25 that vibrates is coupled between 2 running gears for flattening running gear 28 that vibrate, and can be in 2 running gears
Between synchronizer is installed.
It, can be flat by vibrating by being coupled oscillating flat plate dip angle regulating device 224 on spring suspension device 223
Plate dip angle regulating device 224 can carry out any adjustment to oscillating flat plate 222 and horizontal direction angle, and preferably adjustment makes oscillating flat plate
222 with it is horizontal be in 1o ~ 70o angle, so that angle is adjusted to 8-15 degree, make suspension type high frequency tamping device can be to well laid
Material vibrates, and can flatten to realizing, moreover it is possible to very smoothly continuous translation.
The present invention is because without manual hand manipulation, efficiency is greatly improved, and planarization effects are more preferable, and flatness also obtains
Significant increase, and realize automated continuous operation.It is mainly used for the fields such as Reactive Powder Concrete production and construction.
Embodiment 2, the present invention can also be provided with vibration absorber between spring suspension device 223 and oscillating flat plate 222
225, so that buffering vibrates the truss 25 that vibrates.Refering to fig. 1 to Fig. 5, remaining is the same as embodiment 1.
Embodiment 3, the present invention can also that vibrating of matching with dither motor 221 is provided on truss 25 be whole vibrating
Flat intelligent controlling device 26, described vibrate flatten that intelligent controlling device 26 is also mountable to be flattened on running gear 28 vibrating, are
It reduces because vibrating to the influence for flattening intelligent controlling device 26 of vibrating, preferably described vibrate is flattened into intelligent controlling device 26
It is mounted on to vibrate and flatten on running gear 28, carry out automation control together with other systems to can realize.Such as when accurate cloth
After the complete preset longitudinal cloth certain length of material machine cloth, suspension type high frequency is started by the instruction that vibration leveling intelligent control device issues
Tamping equipment starts to vibrate, and walks forward in longitudinal running gear by pre-set velocity, realizes high frequency tamping operation, reaches activity powder
Last concrete vibrating is closely knit and vibrates the purpose for driving bubble in concrete out of.Refering to fig. 1 to Fig. 5, remaining is implemented with any of the above
Example or combinations thereof.
Embodiment 4, oscillating flat plate 222 of the present invention can be connected with each other by 2 with upper flat plate, one group of oscillating flat plate
222 be the slat chain of 0.3 ~ 50m length, realizes and once completes operation of vibrating in this breadth section range；By in leveling of vibrating
Two or more dither motors 221 are set on device and are separately mounted to two or more oscillating flat plates
On 222, elastic connection is used between two oscillating flat plates 222, every piece of oscillating flat plate 222 connected is by high frequency tamping elastic suspended
Hang device 223 is lifted on 25 bottom of truss of vibrating.Refering to fig. 1 to Fig. 5, remaining is implemented with any of the above embodiment or 2 or more
The combination of example.
Embodiment 5,222 surrounding of oscillating flat plate of the invention are arranged 20 ~ 100mm high coaming plate, hanged hook 1 are arranged in front panel
It is a, hanged hook 2 are arranged on squab panel, is connected between hook and coaming plate using hinged bolts；It can also be only in oscillating flat plate 222
Front and back baffle is respectively set, overflow to prevent concrete into plate, oscillating flat plate baffle be in bending shape platform sling.Refering to fig. 1 to figure
5, remaining combination with any of the above embodiment or 2 above embodiments.
Embodiment 6 is connected between muti-piece oscillating flat plate 222 of the invention using elastic plate, and spring plate material uses rubber
Glue or other with profile made of elastic material；The high frequency tamping spring suspension device 223 is by more than two groups of springs
At.Refering to fig. 1 to Fig. 5, remaining combination with any of the above embodiment or 2 above embodiments.
Embodiment 7, spring suspension device 223 of the invention include screw rod, nut, damping spring component, damping elastomer pad
With hanged hook level compensating pad, wherein damping elastomer pad is mounted in screw rod bottom, and hanged hook level compensating pad is mounted in damping elastomer
On pad, the suspension dog hole that screw rod passes through on oscillating flat plate 222 is connect with oscillating flat plate 222.Refering to fig. 1 to Fig. 5, remaining with
The combination of upper any embodiment or 2 above embodiments.
Embodiment 8, oscillating flat plate dip angle regulating device 224 of the invention by oscillating flat plate 222 front panel hanged hook, preceding
Spring suspension device, the squab panel hanged hook of oscillating flat plate 222 and rear spring suspension device form, wherein according to oscillating flat plate
The angle of 222 settings adjusts separately front panel hanged hook and squab panel hanged hook or more using adjustment screw yo-yo fashion
Position meets the requirement of 222 angle with horizontal plane of oscillating flat plate.Refering to fig. 1 to Fig. 5, remaining is the same as any of the above embodiment or 2
The combination of above embodiments.
Embodiment 9, the truss 25 that vibrates of the invention, which can be used, is connected with each other group by two or more firm truss
At the firm truss refers to the truss of secure fit installation, by using the combining form of 2 or more firm truss, with side
Just it decouples and assembles, be more conducive to transporting and install.Refering to fig. 1 to Fig. 5, remaining is the same as any of the above embodiment or 2 or more
The combination of embodiment.
Embodiment 10, the present invention can also cooperate suit leveling truss 25 ', the leveling truss in the side for the truss 25 that vibrates
25 ' can also be used and be made of two or more firm truss interconnections, there are two the settings of leveling 25 ' bottom end of truss
Or more than two suspension type apparatus for leveling 21, it is obvious that suspension type apparatus for leveling 21, which can also be set up directly on, to vibrate on truss 25,
Leveling plate pushing structure can be used in the suspension type apparatus for leveling 21.Refering to fig. 1 to Fig. 5, remaining is the same as any of the above embodiment or 2
The combination of above embodiments.
Claims (10)
1. a kind of suspension type high frequency tamping method it is characterized in that: it is by 2 parallel orbits of setting, and is pacified on parallel orbit
Dress, which vibrates, flattens running gear (28), and the both ends of the truss that vibrates (25), which are separately mounted to vibrate, to be flattened on running gear (28),
Suspension type high frequency tamping device (22) are installed in the lower part of the truss that vibrates (25)；The suspension type high frequency tamping device (22) includes
2 pieces or more oscillating flat plates (222), are separately installed with dither motor (221), and every piece on every piece of oscillating flat plate (222)
Oscillating flat plate (222) is mounted below the truss that vibrates (25) using spring suspension device (223), in spring suspension device (223)
On be fitted with oscillating flat plate dip angle regulating device (224), make oscillating flat plate (222) and horizontal in 1o ~ 70o angle, each
Dither motor (221) drives every piece of oscillating flat plate (222) to vibrate up and down respectively；Connect in suspension type high frequency tamping device (22)
It is continuous while vibrate, the suspension type high frequency tamping device of the truss that vibrates (25) is mounted on by vibrating to flatten running gear (28) and drive
(22) it advances to a direction.
2. suspension type high frequency tamping method according to claim 1, it is characterized in that: in the side engagement sleeves of the truss that vibrates (25)
Dress leveling truss (25 '), in leveling truss (25 ') bottom end setting suspension type apparatus for leveling (21)；Running gear is flattened by vibrating
(28) when driving the suspension type high frequency tamping device (22) for being mounted on the truss that vibrates (25) continuously to vibrate and advance, while making to install
Suspension type apparatus for leveling (21) in leveling truss (25 ') bottom end carries out screed operation to the working face to vibrate, to realize
It vibrates and is once completed with screed operation.
3. a kind of suspension type high frequency tamping device, it is characterized in that: it is including the truss (25) that vibrates, vibrating flattens running gear (28)
With suspension type high frequency tamping device (22), installs to vibrate respectively at the both ends of the truss that vibrates (25) and flatten running gear (28),
Vibrate truss (25) lower part installation suspension type high frequency tamping device (22)；The suspension type high frequency tamping device (22) includes 2
The above oscillating flat plate of block (222) is separately installed with dither motor (221) on every piece of oscillating flat plate (222), and every piece of vibration
Dynamic plate (222) are mounted below the truss that vibrates (25) using spring suspension device (223), on spring suspension device (223)
Oscillating flat plate dip angle regulating device (224) are fitted with, make oscillating flat plate (222) and horizontal in 1o ~ 70o angle.
4. suspension type high frequency tamping device according to claim 3, it is characterized in that: in spring suspension device (223) and vibration
Vibration absorber (225) are provided between plate (222).
5. suspension type high frequency tamping device according to claim 3, it is characterized in that: in the truss that vibrates (25) or vibrating and flattening row
It is provided with vibrating of matching with dither motor (221) on walking apparatus (28) and flattens intelligent controlling device (26).
6. suspension type high frequency tamping device according to claim 3, it is characterized in that: the oscillating flat plate (222) can by 2 with
Upper flat plate is connected with each other, and one group of oscillating flat plate (222) is the slat chain of 0.3 ~ 50m length, is realized in this wide cut range one
It is secondary to complete operation of vibrating.
7. suspension type high frequency tamping device according to claim 3, it is characterized in that: spring suspension device (223) include screw rod,
Nut, damping spring component, damping elastomer pad and hanged hook level compensating pad, wherein damping elastomer pad is mounted in screw rod bottom,
On damping elastomer pad, screw rod passes through the suspension dog hole on oscillating flat plate (222) and vibrates flat hanged hook level compensating pad
Plate (222) connection.
8. suspension type high frequency tamping device according to claim 3, it is characterized in that: oscillating flat plate dip angle regulating device (224)
By the front panel hanged hook of oscillating flat plate (222), preceding spring suspension device, oscillating flat plate (222) squab panel hanged hook with after
Spring suspension device composition, wherein, using adjustment screw yo-yo fashion, being divided according to the angle that oscillating flat plate (222) are set
Not Tiao Zheng front panel hanged hook and squab panel hanged hook upper and lower position, meet the requirement of oscillating flat plate (222) angle with horizontal plane.
9. suspension type high frequency tamping device according to claim 3, it is characterized in that: the truss that vibrates (25) is using by 2
Firm truss interconnection is composed above.
10. suspension type high frequency tamping device according to claim 3, it is characterized in that: cooperating in the side of the truss that vibrates (25)
Suit leveling truss (25 '), the leveling truss (25 ') forms using by 2 or more firm truss interconnections, in leveling purlin
Frame (25 ') bottom end is provided with 2 or more suspension type apparatus for leveling (21).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610426733.0A CN106079029B (en) | 2016-06-17 | 2016-06-17 | Suspension type high frequency tamping method and dedicated unit |
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| CN201610426733.0A CN106079029B (en) | 2016-06-17 | 2016-06-17 | Suspension type high frequency tamping method and dedicated unit |
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| CN108381745A (en) * | 2018-04-20 | 2018-08-10 | 上海言诺建筑材料有限公司 | A kind of steel fiber reinforced concrete production mechanism and steel fiber reinforced concrete production line |
| CN108262837A (en) * | 2018-04-20 | 2018-07-10 | 上海言诺建筑材料有限公司 | A kind of spring vibration device and steel fiber reinforced concrete making apparatus |
| CN109129824A (en) * | 2018-09-07 | 2019-01-04 | 上海电气研砼（徐州）重工科技有限公司 | A kind of vibrating method of Digital Arrays column concrete vibrating equipment and floorings |
| CN109176825B (en) * | 2018-09-07 | 2020-08-07 | 上海电气研砼（徐州）重工科技有限公司 | Intelligent vibration method for high-strength concrete member |
| CN112281599A (en) * | 2020-11-13 | 2021-01-29 | 唐山市星斗路桥机械有限公司 | Three-dimensional laser spreading and leveling machine |
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| CN106079029A (en) | 2016-11-09 |
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Denomination of invention: Suspended high-frequency vibration method and special device Effective date of registration: 20221128 Granted publication date: 20190419 Pledgee: Xiangtan small and medium sized micro Financing Guarantee Co.,Ltd. Pledgor: HUNAN ZHONGLU HUACHENG BRIDGE TECHNOLOGY CO.,LTD. Registration number: Y2022980023970 |