CN109972521B - Self-walking box girder chiseling integrated machine - Google Patents
Self-walking box girder chiseling integrated machine Download PDFInfo
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- CN109972521B CN109972521B CN201910172180.4A CN201910172180A CN109972521B CN 109972521 B CN109972521 B CN 109972521B CN 201910172180 A CN201910172180 A CN 201910172180A CN 109972521 B CN109972521 B CN 109972521B
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- longitudinal beam
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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
- 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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Bridges Or Land Bridges (AREA)
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Abstract
The invention discloses a self-walking box girder chiseling integrated machine, which relates to the technical field of road construction and comprises a rail bracket, a walking rail, a movable trolley, a movable cross beam, a movable longitudinal beam, a chiseling machine body and a PLC (programmable logic controller). Through combining traditional chisel hair machine and case roof beam, realized the operation under the different environment, especially surface of water operation, directly chisel hair at the high altitude.
Description
Technical Field
The invention relates to the technical field of road construction, in particular to a self-walking box girder chiseling integrated machine applied to the end face of a box girder.
Background
One kind of bridge engineering center sill, the inside is hollow, and there is the flange on upper portion both sides, similar case, therefore gets the name. Single boxes, multiple boxes, etc. At present, the end face of the box girder needs to be chiseled in the construction process of the box girder, and one common tool at present is an onboard chiseling machine.
The chiseling machine is a tool similar to a 'chopping axe' for treating a finished main structure surface to firmly bond construction surfaces of two construction stages. The chiseling machine is generally applied to a cast-in-place concrete structure, and after a cast-in-place slab is poured, chiseling is carried out to pour the next layer of concrete so as to firmly bond the concrete. So "chisels", also commonly referred to as "concrete chisels", can be broadly classified into, according to the mode of operation: hand-held, hand-pushed, hand-held (suspended), and airborne.
At present, I department adopts current machine-mounted formula chisel hair machine when carrying out the case roof beam terminal surface chisel hair, has following drawback: the position and the distance of chisel hair are controlled by the driver, rely on experience to go on more, and the chisel hair effect is relatively poor, and need constantly change the position of automobile body, and efficiency is also lower. Particularly, when the box girder is constructed on the water surface, it is not suitable to use a conventional machine-mounted roughening machine.
Chinese patent publication No. CN206090322U discloses a wheeled box girder end roughening machine. The electric vehicle comprises an array type chiseling head inserting plate, a steering support, a lifting groove, a driving box, a controller and a vehicle frame; the frame is connected to the coupling between the two wheels, and a driving box is arranged on the frame; the lower end of the driving box is provided with a controller, and the left side of the driving box is provided with a lifting groove; a steering bracket is clamped in the groove of the lifting groove and is connected with the array type scabbling head inserting plate; a steering support driver and a scabbling head driver which are connected with the controller are arranged in the driving box; the steering bracket driver controls vertical movement and rotation of the steering bracket. Although the box girder end roughening machine can achieve roughening treatment of the box girder end, the application range is still narrow by means of the idea of a traditional machine-mounted roughening machine.
Disclosure of Invention
The invention aims to provide a self-walking box girder chiseling all-in-one machine, which aims to overcome the defects caused in the prior art.
A self-walking box girder chiseling integrated machine comprises a rail support, a walking rail, a movable trolley, a movable cross beam, a movable longitudinal beam, a chiseling machine body and a PLC (programmable logic controller), wherein the walking rail is installed on the rail support, an installation hole is formed in the rail support, the movable trolley is connected to the walking rail in a rolling mode and drives the movable trolley to move back and forth on the walking rail through a power mechanism, a cross beam supporting seat is installed at the top of the movable trolley, the movable cross beam is installed on the cross beam supporting seat, the outer end of the movable cross beam is connected with a longitudinal beam guiding seat, a longitudinal beam sliding rail is arranged in the longitudinal beam guiding seat, the movable longitudinal beam is connected to the longitudinal beam sliding rail in a sliding mode and is also provided with a longitudinal beam rack arranged along the length direction of the movable longitudinal beam, the longitudinal beam rack is, the worm wheel is meshed with a worm, the worm is rotatably connected to a support, the support is fixed on the side face of the longitudinal beam support seat, one end of the worm is connected with a first driving motor, and the first driving motor is installed on the support;
the lower end of the movable longitudinal beam is connected with a base, the roughening machine body is mounted on the base, the unfolding spiral angle of the worm is smaller than the friction angle of contact of the worm and the worm gear, and the power mechanism, the first driving motor and the roughening machine body are controlled by a PLC.
Preferably, the power mechanism comprises a second driving motor, a driving gear and a transverse rack, the transverse rack is installed in the track support and meshed with the driving gear, the driving gear is connected to an output shaft of the second driving motor, a rectangular through hole is formed in the lower portion of the moving trolley, a through hole is formed in the bottom of the through hole to enable the driving gear to be meshed with the transverse rack, and the driving motor is fixed in the through hole through the motor base.
Preferably, the top of the moving trolley is further provided with a telescopic mechanism, the telescopic mechanism specifically comprises a hydraulic cylinder and a connecting plate, the hydraulic cylinder is horizontally arranged at the top of the moving trolley, an output shaft of the hydraulic cylinder is connected to the connecting plate, the connecting plate is provided with a side face of the beam supporting seat, and the beam supporting seat is connected to a beam sliding rail at the top of the moving trolley in a sliding manner.
Preferably, the first driving motor and the second driving motor both adopt servo motors.
Preferably, the inner end of the movable cross beam is further connected with a supporting platform, and a balancing weight is installed on the supporting platform.
Preferably, a guide sleeve is arranged on the mounting hole of the track support.
Preferably, the side surface of the track support is also connected with a lifting ring for lifting.
Preferably, the walking track and the longitudinal beam slide rail both adopt T-shaped guide rails.
The invention has the advantages that:
(1) install whole device on the case roof beam body, through the horizontal migration of travelling car and the vertical movement of vertical longeron, realized the chisel hair of case roof beam terminal surface and handled, this process is controlled by the PLC controller, and the chisel hair machine body moves according to predetermined orbit, has realized automatic chisel hair, need not artificial intervention. The traditional chiseling machine is combined with the box girder, so that the operation under different environments, particularly the operation on the water surface, is realized, and the chiseling is directly carried out at the high altitude;
(2) the moving of the movable trolley and the movable longitudinal beam is realized in a gear and rack mode, the operation process is stable, the precision is high, a worm and gear mechanism is adopted in a driving mechanism of the movable longitudinal beam, the self-locking function is realized, the positioning is more accurate, and the slipping phenomenon of the movable longitudinal beam in the working process is avoided;
(3) in order to meet the requirements of different scabbling depths, the movable cross beam is designed to be movable, the horizontal movement of the movable cross beam is realized by means of a hydraulic cylinder, and then the distance between the scabbling machine body and the end face of the box girder can be adjusted.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a structural schematic diagram of a movable longitudinal beam transmission part in the invention.
FIG. 3 is a schematic structural diagram of the power mechanism and the moving trolley according to the present invention.
Fig. 4 is a schematic structural view of the longitudinal beam guide seat in the invention.
Fig. 5 is a schematic structural view of a rail bracket in embodiment 2 of the present invention.
Fig. 6 is a schematic view of the installation of the apparatus of the present invention with a box girder.
The automatic leveling device comprises a track support 1, a traveling track 2, a moving trolley 3, a movable cross beam 4, a movable longitudinal beam 5, a chiseling machine body 6, a PLC controller 7, a power mechanism 8, a driving motor II 81, a driving gear 82, a transverse rack 83, a cross beam supporting seat 9, a longitudinal beam guiding seat 10, a longitudinal beam rack 11, a driven gear 12, a worm gear 13, a worm 14, a worm 15, a support seat 16, a driving motor I, a drive motor II, a base 17, a through hole 18, a communication hole 19, a hydraulic cylinder 20, a connecting plate 21, a supporting platform 22, a balancing weight 23, a guide sleeve 24, a lifting ring 25 and a longitudinal beam sliding rail 26.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
As shown in fig. 1 to 4, a self-walking box girder chiseling integrated machine comprises a rail bracket 1, a walking rail 2, a moving trolley 3, a movable cross beam 4, a movable longitudinal girder 5, a chiseling machine body 6 and a PLC controller 7, wherein the walking rail 2 is installed on the rail bracket 1, the rail bracket 1 is provided with an installation hole, the moving trolley 3 is connected to the walking rail 2 in a rolling manner and drives the moving trolley 3 to move back and forth on the walking rail 2 through a power mechanism 8, a cross beam support seat 9 is installed at the top of the moving trolley 3, the movable cross beam 4 is installed on the cross beam support seat 9, the outer end of the movable cross beam 4 is connected with a longitudinal girder guide seat 10, a longitudinal girder slide rail 26 is arranged in the longitudinal girder guide seat 10, the movable longitudinal girder 5 is connected to the longitudinal girder slide rail 26 in a sliding manner and a longitudinal girder rack 11, the longitudinal beam rack 11 is engaged with a driven gear 12, the driven gear 12 is rotatably connected into the longitudinal beam supporting seat through a first rotating shaft, one end of the driven gear 12 is connected with a worm wheel 13, the worm wheel 13 is engaged with a worm 14, the worm 14 is rotatably connected onto a support 15, the support 15 is fixed on the side surface of the longitudinal beam supporting seat, one end of the worm 14 is connected with a first driving motor 16, and the first driving motor 16 is installed on the support 15;
the lower end of the movable longitudinal beam 5 is connected with a base 17, the roughening machine body 6 is mounted on the base 17, the expansion spiral angle of the worm 14 is smaller than the friction angle of the worm wheel 13 and the worm 14 in contact, and the power mechanism 8, the first driving motor 16 and the roughening machine body 6 are controlled by the PLC 7.
In this embodiment, the power mechanism 8 includes a second driving motor 81, a second driving gear 82, and a transverse rack 83, the transverse rack 83 is installed in the track bracket 1, the transverse rack 83 is meshed with the second driving gear 82, the second driving gear 82 is connected to an output shaft of the second driving motor 81, a rectangular through hole 18 is formed in the lower portion of the mobile cart 3, a through hole 19 is formed in the bottom of the through hole 18 to enable the second driving gear 82 to be meshed with the transverse rack 83, and the second driving motor 81 is fixed in the through hole 18 through a motor base 17.
In this embodiment, a telescopic mechanism is further installed at the top of the moving trolley 3, and specifically includes a hydraulic cylinder 20 and a connecting plate 21, the hydraulic cylinder 20 is horizontally installed at the top of the moving trolley 3, and an output shaft thereof is connected to the connecting plate 21, the connecting plate 21 is installed with a side surface of the beam support seat 9, and the beam support seat 9 is slidably connected to a beam slide rail at the top of the moving trolley 3.
In this embodiment, the first driving motor 16 and the second driving motor 81 both adopt servo motors, the inner end of the movable cross beam 4 is further connected with a supporting platform 22, and a balancing weight 23 is installed on the supporting platform 22.
Example 2
As shown in fig. 5 to 6, a self-walking box girder chiseling integrated machine comprises a rail bracket 1, a walking rail 2, a moving trolley 3, a movable cross beam 4, a movable longitudinal girder 5, a chiseling machine body 6 and a PLC controller 7, wherein the walking rail 2 is installed on the rail bracket 1, the rail bracket 1 is provided with an installation hole, the moving trolley 3 is connected to the walking rail 2 in a rolling manner and drives the moving trolley 3 to move back and forth on the walking rail 2 through a power mechanism 8, a cross beam support seat 9 is installed at the top of the moving trolley 3, the movable cross beam 4 is installed on the cross beam support seat 9, the outer end of the movable cross beam 4 is connected with a longitudinal girder guide seat 10, a longitudinal girder slide rail 26 is arranged in the longitudinal girder guide seat 10, the movable longitudinal girder 5 is connected to the longitudinal girder slide rail 26 in a sliding manner and a longitudinal girder rack 11, the longitudinal beam rack 11 is engaged with a driven gear 12, the driven gear 12 is rotatably connected into the longitudinal beam supporting seat through a first rotating shaft, one end of the driven gear 12 is connected with a worm wheel 13, the worm wheel 13 is engaged with a worm 14, the worm 14 is rotatably connected onto a support 15, the support 15 is fixed on the side surface of the longitudinal beam supporting seat, one end of the worm 14 is connected with a first driving motor 16, and the first driving motor 16 is installed on the support 15;
the lower end of the movable longitudinal beam 5 is connected with a base 17, the roughening machine body 6 is mounted on the base 17, the expansion spiral angle of the worm 14 is smaller than the friction angle of the worm wheel 13 and the worm 14 in contact, and the power mechanism 8, the first driving motor 16 and the roughening machine body 6 are controlled by the PLC 7.
In this embodiment, the power mechanism 8 includes a second driving motor 81, a second driving gear 82, and a transverse rack 83, the transverse rack 83 is installed in the track bracket 1, the transverse rack 83 is meshed with the second driving gear 82, the second driving gear 82 is connected to an output shaft of the second driving motor 81, a rectangular through hole 18 is formed in the lower portion of the mobile cart 3, a through hole 19 is formed in the bottom of the through hole 18 to enable the second driving gear 82 to be meshed with the transverse rack 83, and the second driving motor 81 is fixed in the through hole 18 through a motor base 17.
In this embodiment, a telescopic mechanism is further installed at the top of the moving trolley 3, and specifically includes a hydraulic cylinder 20 and a connecting plate 21, the hydraulic cylinder 20 is horizontally installed at the top of the moving trolley 3, and an output shaft thereof is connected to the connecting plate 21, the connecting plate 21 is installed with a side surface of the beam support seat 9, and the beam support seat 9 is slidably connected to a beam slide rail at the top of the moving trolley 3.
In this embodiment, the first driving motor 16 and the second driving motor 81 both use servo motors.
In this embodiment, the inner end of the movable cross beam 4 is further connected with a supporting platform 22, and a balancing weight 23 is installed on the supporting platform 22.
In this embodiment, the guide sleeve 24 is disposed on the mounting hole of the rail bracket 1.
In this embodiment, a lifting ring 25 for lifting is further connected to the side surface of the rail bracket 1, and the lifting of the whole device can be realized by means of the lifting ring 25 during lifting.
In this embodiment, the traveling rail 2 and the side rail slide rails 26 are both T-shaped guide rails, and guide rails having other shapes may be used, and are selected as needed.
When the device is used, the device is firstly lifted to a box girder body by a lifting appliance and is installed at a target position by an installation hole, the moving trolley 3 is positioned at one end of the walking track 2, the positions of the movable longitudinal beam 5 and the movable cross beam 4 are adjusted, a designed route program is guided into the PLC 7, the PLC 7 is started, the moving trolley 3 horizontally moves under the action of the power mechanism 8, the movable longitudinal beam 5 vertically moves under the action of the driving motor II 81, and when the moving trolley 3 moves from one end of the walking track 2 to the other end, the whole scabbling process is finished.
The design length of the running rail 2 in the present invention may be determined according to the width of the top surface of the box girder, and if there are various sizes, the length thereof should be designed to be the longest one so as to be suitable for the roughening process of each box girder.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (1)
1. A self-walking box girder chiseling integrated machine is characterized by comprising a track support (1), a walking track (2), a moving trolley (3), a movable cross beam (4), a movable longitudinal beam (5), a chiseling machine body (6) and a PLC (programmable logic controller) (7), wherein the walking track (2) is installed on the track support (1), a mounting hole is formed in the track support (1), the moving trolley (3) is connected to the walking track (2) in a rolling mode and drives the moving trolley (3) to move back and forth on the walking track (2) through a power mechanism (8), a cross beam supporting seat (9) is installed at the top of the moving trolley (3), the movable cross beam (4) is installed on the cross beam supporting seat (9), the outer end of the movable cross beam (4) is connected with a longitudinal beam guide seat (10), a longitudinal beam sliding rail (26) is arranged in the longitudinal beam guide seat (10), the movable longitudinal beam (5) is connected to the longitudinal beam sliding rail (26) in a sliding mode, a longitudinal beam rack (11) arranged along the length direction of the movable longitudinal beam (5) is further installed on the movable longitudinal beam (5), the longitudinal beam rack (11) is meshed with a driven gear (12), the driven gear (12) is connected into the longitudinal beam supporting seat in a rotating mode through a rotating shaft I, one end of the driven gear (12) is connected with a worm wheel (13), the worm wheel (13) is meshed with a worm (14), the worm (14) is connected onto the supporting seat (15) in a rotating mode, the supporting seat (15) is fixed to the side face of the longitudinal beam supporting seat, one end of the worm (14) is connected with a first driving motor (16);
the lower end of the movable longitudinal beam (5) is connected with a base (17), the base (17) is provided with the chiseling machine body (6), the expansion spiral angle of the worm (14) is smaller than the friction angle of the worm wheel (13) and the worm (14) in contact, and the power mechanism (8), the first driving motor (16) and the chiseling machine body (6) are controlled by a PLC (programmable logic controller) (7);
the power mechanism (8) comprises a second driving motor (81), a driving gear (82) and a transverse rack (83), the transverse rack (83) is installed in the track support (1), the transverse rack (83) is meshed with the driving gear (82), the driving gear (82) is connected to an output shaft of the second driving motor (81), a rectangular through hole (18) is formed in the lower portion of the movable trolley (3), a through hole (19) is formed in the bottom of the through hole (18) to enable the driving gear (82) to be meshed with the transverse rack (83), and the second driving motor (81) is fixed in the through hole (18) through a motor base (17);
the top of the mobile trolley (3) is also provided with a telescopic mechanism, and the telescopic mechanism specifically comprises a hydraulic cylinder (20) and a connecting plate (21), the hydraulic cylinder (20) is horizontally arranged at the top of the mobile trolley (3) and an output shaft of the hydraulic cylinder is connected to the connecting plate (21), the connecting plate (21) is provided with the side surface of a beam supporting seat (9), and the beam supporting seat (9) is connected to a beam sliding rail at the top of the mobile trolley (3) in a sliding manner;
the servo motor is adopted in driving motor I (16) and driving motor II (81), the inner end of movable cross beam (4) is connected with supporting platform (22), install balancing weight (23) on supporting platform (22), be equipped with uide bushing (24) on the mounting hole of track support (1), the side of track support (1) still is connected with rings (25) that are used for lifting by crane, walking track (2) and longeron slide rail (26) all adopt "T" font guide rail.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910172180.4A CN109972521B (en) | 2019-03-07 | 2019-03-07 | Self-walking box girder chiseling integrated machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910172180.4A CN109972521B (en) | 2019-03-07 | 2019-03-07 | Self-walking box girder chiseling integrated machine |
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| CN109972521A CN109972521A (en) | 2019-07-05 |
| CN109972521B true CN109972521B (en) | 2020-10-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110757664B (en) * | 2019-10-23 | 2021-05-25 | 中建筑港集团有限公司 | Automatic underwater chiseling equipment |
| CN215470288U (en) | 2021-08-10 | 2022-01-11 | 中铁四局集团第二工程有限公司 | Roughening machine for railway box girder anchor recess |
| CN114311249A (en) * | 2021-11-23 | 2022-04-12 | 中交第三航务工程局有限公司宁波分公司 | Control method for chiseling of chiseling machine |
| CN115523383B (en) * | 2022-10-21 | 2023-05-12 | 重庆市筑云科技有限责任公司 | Building site risk monitoring device and system |
| CN116376683A (en) * | 2023-04-11 | 2023-07-04 | 深圳清谷环境科技有限公司 | VOCs gas removal composite microbial agent and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3640192A1 (en) * | 1986-11-25 | 1988-06-01 | Debuschewitz Kg H | Machine for treating roadway surfaces |
| JP2004249650A (en) * | 2003-02-21 | 2004-09-09 | Hitachi Koki Co Ltd | Square chisel machine |
| JP4953760B2 (en) * | 2006-10-27 | 2012-06-13 | 東京電力株式会社 | Hole wall roughening device and hole wall roughening method |
| CN205012679U (en) * | 2015-09-11 | 2016-02-03 | 王小雄 | Beam column chisel hair machine |
| CN106120528B (en) * | 2016-06-17 | 2018-01-30 | 河海大学 | A kind of self-propelled concrete dabbing machine and its dabbing method |
| CN207310286U (en) * | 2017-09-11 | 2018-05-04 | 天津市泽琪水泥构件有限公司 | A kind of new precast beam dabbing machine |
| CN107745667A (en) * | 2017-09-20 | 2018-03-02 | 余淼 | A kind of Multi-functional portable tunnel maintenance tool car |
| CN207387952U (en) * | 2017-10-31 | 2018-05-22 | 中国建筑土木建设有限公司 | Self-traveling type bridge beam slab dabbing machine |
| CN208202469U (en) * | 2017-12-11 | 2018-12-07 | 中交一公局海威工程建设有限公司 | A kind of dabbing trolley for tunnel double-lining abutment wall |
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