CN114808746A - Cast-in-place box girder top plate vibrating and leveling integrated device and construction method thereof - Google Patents
Cast-in-place box girder top plate vibrating and leveling integrated device and construction method thereof Download PDFInfo
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- CN114808746A CN114808746A CN202210631135.2A CN202210631135A CN114808746A CN 114808746 A CN114808746 A CN 114808746A CN 202210631135 A CN202210631135 A CN 202210631135A CN 114808746 A CN114808746 A CN 114808746A
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- leveling
- vibrating
- cast
- box girder
- integrated device
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Abstract
The invention discloses a cast-in-place box girder top plate vibrating and leveling integrated device, which comprises a longitudinal moving track, a front supporting beam, a rear supporting beam, a transverse moving track, a vibrating mechanism, a leveling beam and an automatic leveling machine, wherein the front supporting beam and the rear supporting beam are arranged on the longitudinal moving track; the two longitudinal moving rails are laid on two sides of a steel bar framework of the beam to be cast along the bridge direction, displacement sensors are arranged on the longitudinal moving rails, the front and rear supporting beams are laid on the longitudinal moving rails in the bridge direction, and the two transverse moving rails are laid on the front and rear supporting beams; the vibrating mechanism is movably hung on the transverse moving track; the leveling beam is fixed at the bottom of the front support beam; automatic evener fixes in back supporting beam bottom, can carry out the millimeter level adjustment of elevation according to indulging the displacement sensor who moves on the track, and then control roof beam face roughness. The concrete vibrating leveling machine integrates concrete vibrating and leveling, has high mechanization and automation degree, improves the construction efficiency, has better construction quality, and meets the requirement of industrialized construction development.
Description
Technical Field
The invention relates to the field of cast-in-place box girder vibrating and leveling construction. More specifically, the invention relates to a cast-in-place box girder top plate vibrating and leveling integrated device and a construction method thereof.
Background
At present, cast-in-place box girder roof plate concrete construction mostly adopts the manual hand-held bayonet vibrating spear vibration to be makeed, and the leveling beam is assisted with the manual work and is carried out the flattening. The manual operation is mainly used, so that the phenomena of leakage vibration, under vibration, over vibration, steel bar touch and the like are difficult to avoid, and the construction quality is difficult to guarantee; the construction operations of vibration and leveling are independent, the mechanization and automation degree is low, the construction efficiency is not high, and the requirement of industrial construction is difficult to meet; the labor input is large, the field management difficulty is high, and the construction cost is high.
Disclosure of Invention
To achieve these objects and other advantages in accordance with the present invention, there is provided a cast-in-place box girder top plate vibrating and leveling integrated device, including a longitudinally moving rail, a transversely moving rail, a vibrating mechanism;
the two longitudinal moving rails are respectively erected on two sides of a beam to be cast along the forward bridge direction, the two transverse moving rails are transversely movably erected on the longitudinal moving rails, and the transverse moving rails can move along the length direction of the longitudinal moving rails; the vibrating mechanism is movably hung on the transverse moving track.
According to a preferred embodiment of the present invention, the front support beam and the rear support beam are vertically disposed on two longitudinal moving rails, the front support beam and the rear support beam are both movable along the length direction of the longitudinal moving rails, and the two transverse moving rails are coaxially disposed on the top ends of the front support beam and the rear support beam respectively.
According to a preferred embodiment of the present invention, the lower end of the front support beam is connected to a leveling beam, the lower end of the rear support beam is connected to an automatic leveling machine, and the bottom end of the leveling beam has a horizontal leveling surface, the bottom end of the automatic leveling machine has a horizontal leveling surface, the leveling surface of the leveling beam is higher than the leveling surface of the automatic leveling machine, and the automatic leveling machine is liftable with a lifting accuracy of a millimeter level.
According to a preferred embodiment of the present invention, the vibrating mechanism comprises a cover plate, a lifting support bar and vibrating rods, wherein the two ends of the cover plate are erected on the front support beam and the rear support beam through the lifting support bar, the lifting support bar can move along a traverse track on the front support beam/the rear support beam, and a plurality of vibrating rods are vertically connected below the cover plate at the same time.
According to a preferred embodiment of the present invention, the vibrating mechanism further comprises a vertical rod, a large sliding rod, a small sliding rod, an upper cross rod and a lower cross rod, wherein the upper cross rod is connected below the cover plate through a plurality of vertical rods, at least one small sliding rod and one large sliding rod are vertically arranged on the upper cross rod, vibrating rods are connected below the small sliding rod and the large sliding rod, and the small sliding rod and the large sliding rod are also simultaneously mounted on the same lower cross rod.
According to a preferred embodiment of the present invention, the vibrating rods are connected to a connecting plate, and the connecting plate is connected to the lower end of the small sliding rod or the large sliding rod.
According to a preferred embodiment of the present invention, the outer side of the front support beam or the rear support beam is horizontally provided with an auxiliary platform bottom plate, and an auxiliary platform guardrail is vertically arranged on the auxiliary platform bottom plate.
According to a preferred embodiment of the invention, the height of the lifting strut is adjustable.
According to a preferred embodiment of the present invention, locking means are provided at both ends of the longitudinal movement rail.
According to a preferred embodiment of the present invention, a support beam is connected to the bottom of the lifting stay, and a roller is provided at the bottom of the support beam to move along the traverse rail.
According to a preferred embodiment of the present invention, a plurality of displacement sensors are arranged on the longitudinal moving rail at intervals to monitor the vertical deformation of the longitudinal moving rail.
In another aspect, a preferred embodiment of the present invention provides a construction method of a cast-in-place box girder top plate vibrating and leveling integrated device, including the steps of:
step S1, pouring concrete in the area of the beam to be poured, and controlling the front supporting beam and the rear supporting beam to slide on the longitudinal movement track along the bridge direction by a standard width, wherein the standard width is the distance between the front supporting beam and the rear supporting beam;
step S2, in the sliding process, the leveling beam attached to the bottom of the front supporting beam can perform rough leveling on the poured concrete; after slipping in place, a vibrating rod on the vibrating mechanism vibrates the roughly leveled concrete; an automatic leveler attached to the bottom of the rear support beam levels the vibrated concrete and, in addition, a worker may stand on the auxiliary platform floor to correct a local defect area;
step S3, after finishing the vibration leveling of a standard area, the supporting beam transversely moves along the transverse moving track, the whole vibration mechanism is driven to the next standard area, and the step S2 is repeated to realize the vibration leveling in the standard width area;
and S4, repeating the steps S1-S3 until all the concrete in the beam area to be cast is vibrated and leveled.
The invention at least comprises the following beneficial effects: the invention provides a cast-in-place box girder top plate vibrating and leveling integrated device, which improves the mechanization and automation degree of cast-in-place box girder concrete construction, improves the construction quality and reduces the labor cost.
(1) The cast-in-place box girder top plate vibrating and leveling integrated device provided by the invention integrates concrete vibrating and leveling, has high mechanization and automation degree and improved construction efficiency, and meets the requirement of industrialized construction development.
(2) The cast-in-place box girder top plate vibrating and leveling integrated device provided by the invention saves a large amount of labor force, thereby reducing the risk of field management and saving the construction cost.
(3) The cast-in-place box girder top plate vibrating and leveling integrated device provided by the invention has the advantages that the vibrating frequency, the vibrating time, the inserting depth of the vibrating rod, the inserting and pulling speed of the vibrating rod, the walking step pitch and other parameters are controllable, the problems of vibration leakage, under vibration, over vibration, steel bar touch and the like caused by manpower can be avoided, and the construction quality is better and controllable.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a working schematic diagram of the cast-in-place box girder top plate vibrating and leveling integrated device.
Fig. 2 is a side view of the cast-in-place box girder top plate vibrating and leveling integrated device.
Fig. 3 is a front view of the cast-in-place box girder top plate vibrating and leveling integrated device.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
As shown in fig. 1-3, the cast-in-place box girder top plate vibrating and leveling integrated device of the invention comprises a longitudinal moving track 10, a transverse moving track 20 and a vibrating mechanism 30;
the two longitudinal moving rails 10 are respectively erected on two sides of a beam to be cast 40 along the bridge direction, the two transverse moving rails 20 are both transversely movably erected on the longitudinal moving rails 10, and the transverse moving rails 20 can move along the length direction of the longitudinal moving rails 10; the vibrating mechanism 30 is movably hung on the traverse rail 20 and moves along the length direction of the traverse rail. The front support beam 50 and the rear support beam 60 are respectively vertically arranged on the two longitudinal moving rails 10, the front support beam 50 and the rear support beam 60 can be movably erected on the longitudinal moving rails 10 and can move along the length direction of the longitudinal moving rails 10, and the two transverse moving rails 20 are respectively coaxially arranged at the top ends of the front support beam 50 and the rear support beam 60. The lower end of the front support beam 50 is connected with the screed beam 80, the lower end of the rear support beam 60 is connected with the automatic leveler 70, and the bottom end of the screed beam 80 has a horizontal leveling surface, the bottom end of the automatic leveler 70 has a horizontal leveling surface, and the leveling surface of the screed beam 80 is higher than the leveling surface of the automatic leveler 70. The automatic levelling machine can be lifted with a lifting accuracy of the order of millimetres, the vibrating mechanism 30 being moved from the poured beam 120 to the unwatered beam 40.
The vibrating mechanism 30 includes a cover plate 310, a lifting brace 320, and vibrating rods 330, wherein both ends of the cover plate 310 are erected on the front support beam 50 and the rear support beam 60 through the lifting brace 320, the lifting brace 320 is movable along the traverse rail 20 on the front support beam 50/the rear support beam 60, and a plurality of vibrating rods 330 are vertically connected below the cover plate 310 at the same time. The height of the lifting stay bar 320 is adjustable. Thereby realize the regulation of the height of vibrating of whole mechanism of vibrating, specifically, the height-adjustable of lift vaulting pole 320 to can drive the height-adjustable of vibrating stick 330, thereby can adapt to different building site conditions.
Wherein an embodiment specifically provides a concrete structure of mechanism vibrates, mechanism vibrates 30 further includes montant 340, big slide bar 350, little slide bar 360, upper cross bar 370, sheer pole 380, wherein, upper cross bar 370 is through many montant 340 connect in the apron 310 below, vertically on the upper cross bar 370 is provided with at least one little slide bar 360, big slide bar 350, just little slide bar 360 with the below of big slide bar 350 all is connected with the vibrating rod 330, little slide bar 360 with big slide bar 350 still is installed on same sheer pole 380 simultaneously.
In one embodiment, the vibrating rods 330 are connected to the connecting plate 390 at the same time, the connecting plate 390 is connected to the lower end of the small sliding rod 360 or the large sliding rod 350, and a plurality of vibrating rods 330 are used to enlarge the vibrating area in a large range.
In view of the fact that in actual construction, sometimes the leveling machine is damaged, and the leveling effect is not good, or other accidents happen, at this time, manual remediation is needed, in order to achieve the purpose, one embodiment provides the following technical scheme, wherein an auxiliary platform bottom plate 91 is horizontally arranged on the outer side of the front support beam 50 or the rear support beam 60, an auxiliary platform guardrail 90 is vertically arranged on the auxiliary platform bottom plate 91, a construction worker can stand on the auxiliary platform bottom plate 91 for construction, and the auxiliary platform guardrail 90 is used for protecting the worker.
The two ends of the longitudinal movement track 10 are provided with locking devices 100, so that the movement of the front supporting beam and the rear supporting beam is limited, and when the front supporting beam and the rear supporting beam move to a preset position on the longitudinal movement track, the front supporting beam and the rear supporting beam are temporarily locked by using the locking devices 100, so that the sliding of the front supporting beam and the rear supporting beam is avoided.
In one embodiment, the lifting brace 320 is connected to a supporting beam 300, and the bottom of the supporting beam 300 is provided with a roller 110 to move along the traverse rail 20, so as to support the lateral movement of the beam 300, thereby driving the lateral movement of the whole vibrating mechanism.
Considering that the longitudinally moving track 10 is placed on a box girder steel reinforcement framework or a guardrail steel reinforcement during construction, and the box girder steel reinforcement framework has low rigidity, the steel reinforcement framework is deformed under long-term dead weight compression and external compression, the longitudinally moving track is displaced downwards, particularly when the longitudinally moving track is placed on the guardrail steel reinforcement, the guardrail steel reinforcement is easy to be displaced downwards and deformed under the dead weight compression and the external compression, so that the front support beam 50 and the rear support beam 60 are driven to move downwards, the automatic leveling machine 70 connected to the lower end of the rear support beam 60 is also displaced downwards along with the longitudinally moving track, and the leveling effect is greatly reduced, and in order to avoid the problem, the following technical scheme is provided in one embodiment of the invention: the vertical moving track is provided with a plurality of displacement sensors at intervals to monitor vertical deformation of the vertical moving track, and after the vertical moving track is detected to find the vertical displacement deformation, the elevation of the automatic leveling machine is adjusted according to the deformation quantity of the vertical moving track, so that the beam surface flatness is controlled. And when the deformation of the steel bar is detected, the height of the automatic leveling machine is adjusted according to the monitored deformation of the steel bar, and the elevation is adjusted.
The construction method of the cast-in-place box girder top plate vibrating and leveling integrated device comprises the following specific steps:
step S1, pouring concrete in the area of the beam to be poured, and controlling the front supporting beam 50 and the rear supporting beam 60 to slide on the longitudinal movement track 10 along the bridge direction by a standard width, wherein the standard width is the distance between the front supporting beam 50 and the rear supporting beam 60;
step S2, in the sliding process, the leveling beams 80 attached to the bottom of the front support beam 50 can perform rough leveling on the poured concrete; after slipping into place, the vibrating rod 330 on the vibrating mechanism 30 vibrates the roughly leveled concrete; an automatic leveler 70 attached to the bottom of the rear support beam 60 levels the vibrated concrete, and in addition, a worker may stand on the auxiliary platform floor 91 to trim a local defective area;
step S3, after finishing the vibration leveling of a standard area, the supporting beam 300 moves laterally along the traverse rail 20, the whole vibration mechanism is driven to the next standard area, and step S2 is repeated to realize the vibration leveling in the standard width area;
and S4, repeating the steps S1-S3 until the concrete in the beam area to be cast is vibrated and leveled.
It should be noted that, in the whole work progress, preceding supporting beam 50 and back supporting beam 60 slide on indulging the track and keep in step all the time, and the distance between the two is the multiple of reinforcing bar hole interval to avoid vibrating in-process vibrating rod touching reinforcing bar, the distance that the supporting beam slided at the sideslip track is the multiple of reinforcing bar hole interval moreover, thereby effectively avoid vibrating in-process vibrating rod touching reinforcing bar.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. A cast-in-place box girder top plate vibrating and leveling integrated device is characterized by comprising a longitudinal moving track, a transverse moving track and a vibrating mechanism;
the two longitudinal moving tracks are respectively erected on two sides of a beam to be poured along the bridge direction, the two transverse moving tracks are transversely movably erected on the longitudinal moving tracks, and the transverse moving tracks can move along the length direction of the longitudinal moving tracks; the vibrating mechanism is movably hung on the transverse moving track.
2. The cast-in-place box girder top plate vibrating and leveling integrated device as claimed in claim 1, wherein a front supporting beam and a rear supporting beam are vertically arranged on two longitudinal moving rails respectively, the front supporting beam and the rear supporting beam are movable along the length direction of the longitudinal moving rails, and the two transverse moving rails are coaxially arranged on the top ends of the front supporting beam and the rear supporting beam respectively.
3. The cast-in-place box girder top plate vibrating and leveling integrated device according to claim 2, wherein a leveling beam is connected to a lower end of the front support beam, an automatic leveling machine is connected to a lower end of the rear support beam, a horizontal leveling surface is provided at a bottom end of the leveling beam, a horizontal leveling surface is provided at a bottom end of the automatic leveling machine, the leveling surface of the leveling beam is higher than the leveling surface of the automatic leveling machine, and the automatic leveling machine is liftable and has a lifting precision of a millimeter level.
4. The cast-in-place box girder top plate vibrating and leveling integrated device as claimed in claim 3, wherein the vibrating mechanism comprises a cover plate, a lifting support rod and vibrating rods, the two ends of the cover plate are erected on the front support beam and the rear support beam through the lifting support rod, the lifting support rod can move along a transverse moving track on the front support beam/the rear support beam, and a plurality of vibrating rods are simultaneously and vertically connected below the cover plate;
the height of the lifting support rod is adjustable;
the bottom of the lifting stay bar is connected with a supporting cross beam, and the bottom of the supporting cross beam is provided with a roller to move along the transverse moving track.
5. The cast-in-place box girder roof vibrating and leveling integrated device according to claim 4, wherein the vibrating mechanism further comprises a vertical rod, a large sliding rod, a small sliding rod, an upper cross rod and a lower cross rod, wherein the upper cross rod is connected below the cover plate through a plurality of vertical rods, at least one small sliding rod and one large sliding rod are vertically arranged on the upper cross rod, vibrating rods are connected below the small sliding rod and the large sliding rod, and the small sliding rod and the large sliding rod are also simultaneously installed on the same lower cross rod.
6. The cast-in-place box girder top plate vibrating and leveling integrated device as claimed in claim 5, wherein the vibrating rods are connected to a connecting plate at the same time, and the connecting plate is connected to the lower ends of the small sliding rods or the large sliding rods.
7. The cast-in-place box girder top plate vibrating and leveling integrated device as claimed in claim 2, wherein an auxiliary platform bottom plate is horizontally arranged on the outer side of the front support beam or the rear support beam, and an auxiliary platform guardrail is vertically arranged on the auxiliary platform bottom plate.
8. The cast-in-place box girder top plate vibrating and leveling integrated device as claimed in claim 5, wherein locking devices are arranged at two ends of the longitudinal moving rail.
9. The cast-in-place box girder top plate vibrating and leveling integrated device according to claim 1, wherein a plurality of displacement sensors are arranged on the longitudinal moving rail at intervals to monitor vertical deformation of the longitudinal moving rail.
10. A construction method using the cast-in-place box girder top plate vibrating and leveling integrated device as claimed in any one of claims 1 to 9, comprising the steps of:
step S1, pouring concrete in the area of the beam to be poured, and controlling the front supporting beam and the rear supporting beam to slide on the longitudinal movement track along the bridge direction by a standard width, wherein the standard width is the distance between the front supporting beam and the rear supporting beam;
step S2, in the sliding process, the leveling beam attached to the bottom of the front supporting beam can perform rough leveling on the poured concrete; after slipping in place, a vibrating rod on the vibrating mechanism vibrates the roughly leveled concrete; an automatic leveler attached to the bottom of the rear support beam levels the vibrated concrete and, in addition, a worker may stand on the auxiliary platform floor to correct a local defect area;
step S3, after finishing the vibration leveling of a standard area, the supporting beam transversely moves along the transverse moving track, the whole vibration mechanism is driven to the next standard area, and the step S2 is repeated to realize the vibration leveling in the standard width area;
and S4, repeating the steps S1-S3 until all the concrete in the beam area to be cast is vibrated and leveled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210631135.2A CN114808746B (en) | 2022-06-06 | 2022-06-06 | Cast-in-situ box girder top plate vibrating and leveling integrated device and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210631135.2A CN114808746B (en) | 2022-06-06 | 2022-06-06 | Cast-in-situ box girder top plate vibrating and leveling integrated device and construction method thereof |
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| CN114808746A true CN114808746A (en) | 2022-07-29 |
| CN114808746B CN114808746B (en) | 2023-07-07 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110229266A1 (en) * | 2010-03-18 | 2011-09-22 | Joseph Vogele Ag | Method and road finisher for laying a compacted finishing layer |
| CN205934612U (en) * | 2016-08-04 | 2017-02-08 | 中铁十七局集团第三工程有限公司 | Leveling device vibrates |
| CN206732345U (en) * | 2017-05-12 | 2017-12-12 | 北京地平线轨道技术有限公司 | A kind of rail automatic arc welding engineering truck |
| CN108842574A (en) * | 2018-07-17 | 2018-11-20 | 中交武汉港湾工程设计研究院有限公司 | A kind of system and equipment automatically controlling ultra-high performance concrete molded surface absolute altitude |
| CN210414902U (en) * | 2019-06-30 | 2020-04-28 | 重庆大业新型建材集团有限公司 | Movable vibrating device |
| CN111455864A (en) * | 2020-05-18 | 2020-07-28 | 中交二航局第四工程有限公司安徽混凝土装配化构件分公司 | Construction method for transverse wet joint of prefabricated bridge deck factory |
| CN112301845A (en) * | 2020-11-13 | 2021-02-02 | 唐山市星斗路桥机械有限公司 | Ultrahigh-performance concrete paving integrated machine |
| CN212477341U (en) * | 2020-04-30 | 2021-02-05 | 孝感雄坤隧道装备有限公司 | Self-propelled concrete laser leveling machine for tunnel construction |
| CN113585017A (en) * | 2021-08-25 | 2021-11-02 | 中冶南方城市建设工程技术有限公司 | Road cement concrete distributing, vibrating and paving integrated equipment and using method thereof |
| CN114197311A (en) * | 2021-11-03 | 2022-03-18 | 中铁三局集团有限公司 | High-speed railway box girder bridge floor vibrating device |
| CN114775449A (en) * | 2022-05-31 | 2022-07-22 | 中交第二航务工程局有限公司 | Movable automatic vibrating device for cast-in-place box girder bottom web concrete and using method thereof |
-
2022
- 2022-06-06 CN CN202210631135.2A patent/CN114808746B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110229266A1 (en) * | 2010-03-18 | 2011-09-22 | Joseph Vogele Ag | Method and road finisher for laying a compacted finishing layer |
| CN205934612U (en) * | 2016-08-04 | 2017-02-08 | 中铁十七局集团第三工程有限公司 | Leveling device vibrates |
| CN206732345U (en) * | 2017-05-12 | 2017-12-12 | 北京地平线轨道技术有限公司 | A kind of rail automatic arc welding engineering truck |
| CN108842574A (en) * | 2018-07-17 | 2018-11-20 | 中交武汉港湾工程设计研究院有限公司 | A kind of system and equipment automatically controlling ultra-high performance concrete molded surface absolute altitude |
| CN210414902U (en) * | 2019-06-30 | 2020-04-28 | 重庆大业新型建材集团有限公司 | Movable vibrating device |
| CN212477341U (en) * | 2020-04-30 | 2021-02-05 | 孝感雄坤隧道装备有限公司 | Self-propelled concrete laser leveling machine for tunnel construction |
| CN111455864A (en) * | 2020-05-18 | 2020-07-28 | 中交二航局第四工程有限公司安徽混凝土装配化构件分公司 | Construction method for transverse wet joint of prefabricated bridge deck factory |
| CN112301845A (en) * | 2020-11-13 | 2021-02-02 | 唐山市星斗路桥机械有限公司 | Ultrahigh-performance concrete paving integrated machine |
| CN113585017A (en) * | 2021-08-25 | 2021-11-02 | 中冶南方城市建设工程技术有限公司 | Road cement concrete distributing, vibrating and paving integrated equipment and using method thereof |
| CN114197311A (en) * | 2021-11-03 | 2022-03-18 | 中铁三局集团有限公司 | High-speed railway box girder bridge floor vibrating device |
| CN114775449A (en) * | 2022-05-31 | 2022-07-22 | 中交第二航务工程局有限公司 | Movable automatic vibrating device for cast-in-place box girder bottom web concrete and using method thereof |
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| Publication number | Publication date |
|---|---|
| CN114808746B (en) | 2023-07-07 |
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