CN115057184A - Large-scale prefabricated case roof beam conveyer - Google Patents
Large-scale prefabricated case roof beam conveyer Download PDFInfo
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- CN115057184A CN115057184A CN202210800390.5A CN202210800390A CN115057184A CN 115057184 A CN115057184 A CN 115057184A CN 202210800390 A CN202210800390 A CN 202210800390A CN 115057184 A CN115057184 A CN 115057184A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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Abstract
The invention discloses a large-scale prefabricated box girder transporting device, which belongs to the technical field of box girder transportation and comprises a plurality of transporting stations, wherein adjacent transporting stations are adjacently arranged, and a supporting plate for supporting a prefabricated box girder can move between the adjacent stations; each transportation station all sets up PMKD, sets up transmission between PMKD and the backup pad, and PMKD fixes and sets up bearing guide part in order to lead the removal of backup pad. The conveying device drives the prefabricated box girder to move among multiple stations by the supporting plate to finish conveying, and conveying efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of box girder transportation, and particularly relates to a large prefabricated box girder transportation device.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
At present, corresponding bridges need to be built in the process of building a plurality of roads, so that the demand of the bridges is increased sharply. Most bridges take the form of precast beams. The precast beam is precast on site and then installed according to corresponding design requirements. The span of the bridge is different, and the size of the required bridge is also different.
In the process of prefabricating the beam in a factory, the transportation of the prefabricated beam is carried out in a transfer trolley mode, and the transportation method is more suitable for small bridges. For some large bridges, because the size and the weight are large, the length can reach dozens of meters, in the process of prefabricating and transporting on site, wheels of a transfer trolley are seriously worn and stressed unevenly, so that the cost is greatly increased, the transporting efficiency is low, the side turning phenomenon is easy to occur, and the transportation is very inconvenient.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a large-scale prefabricated box girder transporting device which is very suitable for transporting box girders with large volume, heavy load and multi-station movement, the prefabricated box girders are driven by supporting plates to move among the multiple stations to finish the transportation, the transportation efficiency is improved, and the large-scale prefabricated box girder transporting device has the advantages of large load, stable transportation, high efficiency, low cost and simple structure.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, the invention provides a large prefabricated box girder transporting device which comprises a plurality of transporting stations, wherein adjacent transporting stations are adjacently arranged, and supporting plates for supporting the prefabricated box girders can move between the adjacent stations; each transportation station all sets up PMKD, sets up transmission between PMKD and the backup pad, and PMKD fixes and sets up bearing guide part in order to lead the removal of backup pad.
As a further technical scheme, the transmission device comprises a rack fixed at the bottom of the supporting plate, the rack is in meshing transmission with the gear, and the gear is fixed on the fixed bottom plate.
As a further technical scheme, the racks are arranged in two rows, and a guide groove is formed between the two rows of racks and used for the bearing guide component to slide along the guide groove.
As a further technical scheme, two guide baffles are fixedly arranged at the bottom of the supporting plate, and a bearing guide part slides along the guide baffles between the two guide baffles.
As a further technical scheme, rack auxiliary inclined planes are arranged on two sides of the advancing direction of the rack, and the included angle between each rack auxiliary inclined plane and the outer side surface of the rack is 20-30 degrees.
As a further technical scheme, the head and the tail of the rack are both provided with rubber rack teeth.
As a further technical scheme, two sides of the advancing direction of the support plate are provided with support plate auxiliary inclined planes, and the included angle between each support plate auxiliary inclined plane and the upper surface of the support plate is 20-30 degrees.
As a further technical scheme, the top surface of the fixed bottom plate is provided with a crawler, and the top of the crawler is in contact with the support plate to support the crawler.
As a further technical scheme, a crawler trolley is arranged on the bottom surface of the supporting plate, and the bottom of the crawler trolley is in contact with the fixed bottom plate.
As a further technical scheme, a crawler track is arranged on the top surface of the fixed bottom plate, and the bottom of the crawler track is in contact with the inner bottom surface of the crawler track so as to slide along the crawler track.
The beneficial effects of the invention are as follows:
the conveying device adopts multi-station conveying, the supporting plate for supporting the prefabricated box girder moves among the multiple stations, the prefabricated box girder can be automatically conveyed to the next station, manual operation is not needed, and the efficiency is greatly improved; every station device is the same completely, and device simple structure makes easily, and batch production cost is lower, and this process that also makes the backup pad remove the transportation keeps unanimous, has promoted the smooth and easy nature that the backup pad removed.
According to the conveying device, on the premise that the transmission device drives the supporting plate to move, the bearing guide part guides the supporting plate to move, so that the supporting plate can be conveniently butted between an upper station and a lower station in a moving mode, and the supporting plate can be ensured to smoothly enter the next station.
According to the conveying device, the rack and pinion device is adopted for power transmission, the rack and pinion transmission is stable, and the stability is good; the crawler trolley supports the beams on two sides of the supporting plate, reduces resistance in the transportation process, enables transmission to be stable, and is high in stability.
The transportation device provided by the invention adopts a mode of two rows of crawler trolleys to transport the beams, the crawler trolleys have the characteristic of strong bearing capacity, and the crawler trolleys are uniformly stressed and can bear higher load by adopting a plurality of crawler trolleys. The load-bearing capacity of the present invention is therefore greater than that of conventional transfer vehicles.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic view showing the overall structure of a large precast box girder transporting device according to embodiment 1;
FIG. 2 is a schematic diagram of a movable supporting plate structure according to embodiment 1;
FIG. 3 is a schematic view of a rack and pinion drive in embodiment 1;
FIG. 4 is a schematic view showing the installation of the crawler in embodiment 1;
FIG. 5 is a partial schematic view showing the arrangement of a bearing guide member, a crawler, etc. in embodiment 1;
FIG. 6 is a schematic view of the forward installation of a crawler in the large precast box girder transport device according to embodiment 2;
FIG. 7 is a schematic view showing the installation of the track of the crawler in embodiment 2;
FIG. 8 is a schematic view showing the installation of a guide baffle of the large precast box girder transporting device in example 3;
FIG. 9 is a schematic view showing the fitting and installation of a guide fence in embodiment 3;
in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
wherein 1-precast beam, 2-support plate, 201-support plate body, 202-support plate auxiliary inclined surface, 3-transmission device, 301-rack, 302-gear, 303-rack auxiliary inclined surface, 304-rubber rack tooth, 305-gear shaft, 4-crawler, 401-crawler bearing plate, 402-crawler side plate, 403-crawler roller, 404-crawler guide rail, 5-bearing guide component, 501-guide bearing seat, 502-guide bearing, 6-fixed bottom plate, 7-motor component, 701-motor, 702-reducer, 8-guide baffle, 801-guide baffle plate body, 802-guide baffle auxiliary inclined surface.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
In a typical embodiment of the present invention, as shown in fig. 1, a large prefabricated box girder transporting device is provided, which comprises a plurality of transporting stations, wherein adjacent transporting stations are adjacently arranged, each transporting station is provided with a transmission device 3, a crawler 4, a bearing guide part 5, a fixed bottom plate 6 and a motor part 7, and a support plate 2 can move between the adjacent stations.
The supporting plate 2 is composed of a supporting plate body 201 and a supporting plate auxiliary inclined plane 202; the transmission device 3 is composed of a rack 301, a gear 302, a rack auxiliary inclined plane 303, rubber rack teeth 304 and a gear shaft 305; the crawler 4 is composed of a crawler loading plate 401, a crawler side plate 402 and a crawler roller 403; the bearing guide member 5 is composed of a guide bearing seat 501 and a guide bearing 502; the motor unit 7 is composed of a motor 701 and a reduction gear 702.
As shown in fig. 1 and 2, a support plate 2 is installed on the top of the whole apparatus, and is in direct contact with the precast girders 1 to support the precast girders. The supporting plate auxiliary inclined planes 202 are arranged at two sides of the advancing direction of the supporting plate body 201, have a certain length and form an included angle of 20-30 degrees with the upper surface of the supporting plate. The auxiliary inclined plane of the supporting plate can ensure that the displacement deviation in the vertical direction is offset when the supporting plate enters the next station, and the transportation of the supporting plate between the two stations in the vertical direction is realized.
As shown in fig. 1, the fixed bottom plate 6 is installed at the bottommost part of the whole device, fixed on the ground, and is a base of the whole device, and each station has a corresponding fixed bottom plate for realizing the transportation of the precast beam.
As shown in fig. 2, 3 and 5, two rows of racks 301 are symmetrically arranged on the lower surface of the support plate 2, and rack auxiliary inclined planes 303 are arranged on two sides of the advancing direction of the racks 301, that is, the rack auxiliary inclined planes are arranged on the inner sides of the head and the tail of the racks, and have a certain length, and the included angle between the rack auxiliary inclined planes and the outer side surface of the racks is 20-30 degrees. The auxiliary inclined plane of the rack can offset displacement deviation in the horizontal direction, so that a bearing guide part of the next station can smoothly enter a rack guide rail of the support plate, and the support plate can be transported between two stations in the horizontal direction.
The supporting plate enters the next station under the transmission of the gear rack, firstly, the teeth at the head of the gear rack are meshed with the gear, and the situation of tooth clamping can occur because the gear rack cannot be ensured to be just meshed with the gear, so that the teeth at the head and the tail of the gear rack in the advancing direction are made of rubber materials, namely, the rubber rack teeth 304 are arranged at the head and the tail of the gear rack. The problem of tooth damage caused by incomplete meshing of the gear and the rack is avoided through the teeth made of the flexible material, and only the rubber teeth need to be replaced periodically, so that the cost is greatly reduced.
The gear 302 is installed in the cavity of the fixed bottom plate 6 through a gear shaft 305; the gear and the rack are meshed to be used as a transmission device for transmitting power; the two rows of racks are symmetrically arranged on the lower surface of the supporting plate in the advancing direction to form a guide rail, and the installation distance corresponds to the bearing guide part, so that the two rows of racks are matched with the bearing guide part, the linear movement of the supporting plate is realized, and the supporting plate is ensured to smoothly enter the next station.
As shown in fig. 1, the motor part 7 is installed on the outer side of the fixed base plate 6, the motor 701 is connected with the gear shaft 305 through the reducer 702 to provide power for the rack-and-pinion transmission, and the support plate is driven to move by the meshing transmission of the gear and the rack.
As shown in fig. 5, the crawler 4 is composed of crawler carrying plates 401, crawler side plates 402, and crawler rollers 403, wherein both sides of the crawler carrying plates 401 are fixedly connected to the crawler side plates 402, and a plurality of crawler rollers 403 are disposed in parallel between the crawler side plates 402.
As shown in fig. 1 and 4, in the present embodiment, two rows of tracked vehicles 4 are installed upside down, that is, the top surface of the tracked vehicle bearing plate 401 is installed on the upper surface of the fixed bottom plate 6 through bolts, and the bottom surface of the bearing plate is directly contacted with the tracked vehicle rollers; the crawler trolley is used for supporting the supporting plate and reducing friction of the supporting plate in the moving process, so that the supporting plate can move smoothly. Two rows of crawler tracks are arranged on the outer side of the rack.
The crawler is a supporting part, can replace the traditional carrying equipment taking a rolling rod as a carrying tool, and has the advantages of strong bearing capacity, simple structure, small size, high stability and the like. Two rows of crawler trolleys are arranged on each station to ensure the stability of the gravity center of the upper supporting plate. The interval of each row of crawler trolleys is 2.5m-3 m.
As shown in fig. 1 and 5, the bearing guide member 5 guides the support plate 2, and includes a guide bearing 502 and a guide bearing seat 501. A guide bearing seat 501 is installed at the center of the upper surface of the fixed base plate 6, and a guide bearing 502 is installed on the guide bearing seat 501. In the embodiment, a single-row bearing guide component is arranged, and the size of the guide bearing is selected to correspond to the installation interval of two rows of racks; in the whole transportation process, the bearing guide part enters between two rows of racks, a guide groove is formed between the two rows of racks for the bearing guide part to slide along the two rows of racks, and the bearing guide part and the racks are mutually matched to realize the guide function.
In the transporting device, the number of transporting stations, the length and the number of crawler trolleys, the number of bearing guide parts and the like can be adjusted according to the size of the precast beam.
The main steps of the transportation device for realizing the transportation between different stations of the large precast beam are as follows:
the method comprises the following steps: a movable part supporting plate 2 and racks 301 are arranged on a lower immovable part, a bearing guide part 5 is arranged in a guide groove formed by two rows of racks 301, the racks 301 are meshed with a gear 302, and the lower surface of the supporting plate 2 is contacted with a trolley roller 403;
step two: selecting a proper motor 701 and a proper speed reducer 702, and driving the support plate 2 to be transported to the next station through the transmission device 3;
step three: when entering the next station, the support plate 2 firstly enters, if the displacement deviation in the vertical direction exists, the correction is carried out through the support plate auxiliary inclined plane 202 in front of the support plate 2, and the support plate 2 is ensured to enter smoothly;
step four: after the supporting plate 2 enters, secondly, two rows of racks 301 are matched with the bearing guide part 5, if displacement deviation in the horizontal direction exists, correction is carried out through the rack auxiliary inclined plane 303 in front of the racks 301, and the guide bearings 502 of the bearing guide part 5 are ensured to smoothly enter guide grooves formed by the two rows of racks 301;
step five: after the rack 301 enters, the rack 301 is meshed with the gear 302 of the next station, if the gear jamming happens, the rubber rack teeth 304 at the head part of the advancing direction of the rack 301 are used for correcting, and the rack 301 is completely meshed with the gear 302 of the next station through the deformation of the rubber rack teeth 304;
step six: after the rack 301 is completely meshed with the next station gear 302, the rack 301 is separated from the previous station gear 302, and the next station motor 701 is started, and then the next station is completely entered.
The transportation device has 6 parts in total, each part has a simple structure, and the parts are not connected in a complex way, so that the mechanical structure of the device is simpler.
Example 2
As shown in fig. 6 and 7, the support plate, the transmission device, the motor part, the bearing guide part and the fixing bottom plate in this embodiment are the same as those in embodiment 1, except for the installation of the crawler 4.
In this embodiment, two rows of crawler 4 are installed upright, that is, the top surface of the crawler loading plate 401 is installed on the lower surface of the supporting plate 2 by bolts, and two rows of crawler rails 404 are installed on the upper surface of the fixed base plate 6 and correspond to the crawlers; the crawler rollers 403 contact the inner bottom surface of the crawler track 404 to guide the crawler and further ensure the linear advance of the support plate.
Example 3
As shown in fig. 8 and 9, the supporting plate, the motor part, the crawler, and the fixed base plate in this embodiment are the same as those in embodiment 1, except for the transmission device, the guide fence, and the crawler. Wherein the transmission 3 and the crawler 4 are only mounted differently.
In this embodiment, two rows of racks 301 in the transmission device are symmetrically installed on the outer side of the lower surface of the supporting plate 2, and the racks only perform the power transmission function, so that the supporting plate has better stability in the movement process.
In this embodiment, two rows of guide baffles 8 are arranged on the lower surface of the support plate 2, and are consistent with the mounting positions of the racks in embodiment 1, and the two rows of guide baffles are positioned between the two rows of racks.
The guide fence 8 is constituted by a guide fence plate body 801 and a guide fence auxiliary slope 802.
The two guide baffles 8 are symmetrically arranged at the innermost side of the lower surface of the support plate 2, and replace the positions of the two rows of racks 301 in the embodiment 1, and the guide baffle auxiliary inclined planes 802 are arranged at the two sides of the advancing direction of the guide baffle plate body 801; two rows of crawler 4 are arranged upside down, and the top surface of the crawler loading plate 401 is arranged on the upper surface of the fixed bottom plate 6 and between the guide baffle plate 8 and the rack 301 through bolts.
The two rows of baffles replace the guiding function of the rack in embodiment 1, the bearing guide part can slide along the area between the two guide baffles, and the bearing guide part is matched with the two rows of baffles to ensure the linear motion of the supporting plate. In this embodiment, the rack only plays driven effect, and the life of rack obtains promoting.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A large prefabricated box girder transporting device is characterized by comprising a plurality of transporting stations, wherein adjacent transporting stations are adjacently arranged, and supporting plates for supporting prefabricated box girders can move between the adjacent stations; each transportation station all sets up PMKD, sets up transmission between PMKD and the backup pad, and PMKD fixes and sets up bearing guide part in order to lead the removal of backup pad.
2. A large precast box girder transporting device according to claim 1, wherein the driving means includes a rack fixed to the bottom of the supporting plate, the rack being engaged with a gear fixed to the fixed base plate.
3. A large precast box girder transporting device according to claim 2, wherein the racks are arranged in two rows, and a guide groove is formed between the two rows of racks for the bearing guide member to slide therealong.
4. A large precast box girder transporting device according to claim 1 or 2, wherein two guide fences are fixedly provided at the bottom of the supporting plate, between which a bearing guide member is slid.
5. A large precast box girder transporting device according to claim 2, wherein rack auxiliary slopes are provided at both sides of the traveling direction of the rack, and the angle between the rack auxiliary slopes and the outer side surface of the rack is 20 ° to 30 °.
6. A large precast box girder transporting device according to claim 2, wherein the rack head and the rack tail are provided with rubber rack teeth.
7. A large precast box girder transporting device according to claim 1, wherein auxiliary inclined planes of the supporting plates are provided at both sides of the traveling direction of the supporting plates, and the angle between the auxiliary inclined planes of the supporting plates and the upper surfaces of the supporting plates is 20 ° to 30 °.
8. A large precast box girder transporting device according to claim 1, wherein a crawler is installed on the top surface of the fixed floor, and the top of the crawler is in contact with the supporting plate to support it.
9. A large precast box girder transporting device according to claim 1, wherein the bottom of the supporting plate is provided with a crawler, and the bottom of the crawler is in contact with the fixed base plate.
10. A large precast box girder transporting device according to claim 9, wherein the top surface of the fixed base plate is provided with a crawler rail, and the bottom of the crawler is in contact with the inner bottom surface of the crawler rail to slide along the crawler rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210800390.5A CN115057184B (en) | 2022-07-08 | 2022-07-08 | Large-scale prefabricated case roof beam conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210800390.5A CN115057184B (en) | 2022-07-08 | 2022-07-08 | Large-scale prefabricated case roof beam conveyer |
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| Publication Number | Publication Date |
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| CN115057184A true CN115057184A (en) | 2022-09-16 |
| CN115057184B CN115057184B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210800390.5A Active CN115057184B (en) | 2022-07-08 | 2022-07-08 | Large-scale prefabricated case roof beam conveyer |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818480A (en) * | 2010-04-15 | 2010-09-01 | 中铁科工集团有限公司 | Box girder transfer platform and girder transferring and girder loading working procedures thereof |
| CN102691264A (en) * | 2012-05-16 | 2012-09-26 | 天津市公路工程总公司 | Slipping slot type cross transfer device and method for assisting hoisting of large-size box girder |
| CN206693069U (en) * | 2017-05-15 | 2017-12-01 | 中铁三局集团线桥工程有限公司 | Move beam chassis |
| CN207987761U (en) * | 2018-03-17 | 2018-10-19 | 中铁第五勘察设计院集团有限公司 | Can fixed position beam delivering machine |
| US20190352145A1 (en) * | 2013-03-06 | 2019-11-21 | Western Mechanical Electrical Millwright Services Ltd. | Bridge span replacement system |
| CN211036726U (en) * | 2019-08-01 | 2020-07-17 | 中铁十六局集团有限公司 | Segmental beam transportation sliding trolley |
| CN112081012A (en) * | 2020-09-04 | 2020-12-15 | 中交第四航务工程局有限公司 | Jacking and transporting method for large prestressed concrete precast box girder |
| CN215046197U (en) * | 2021-04-20 | 2021-12-07 | 中国建筑第八工程局有限公司 | A transport robot that is used for fashioned framework of steel reinforcement of large-scale case roof beam |
-
2022
- 2022-07-08 CN CN202210800390.5A patent/CN115057184B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818480A (en) * | 2010-04-15 | 2010-09-01 | 中铁科工集团有限公司 | Box girder transfer platform and girder transferring and girder loading working procedures thereof |
| CN102691264A (en) * | 2012-05-16 | 2012-09-26 | 天津市公路工程总公司 | Slipping slot type cross transfer device and method for assisting hoisting of large-size box girder |
| US20190352145A1 (en) * | 2013-03-06 | 2019-11-21 | Western Mechanical Electrical Millwright Services Ltd. | Bridge span replacement system |
| CN206693069U (en) * | 2017-05-15 | 2017-12-01 | 中铁三局集团线桥工程有限公司 | Move beam chassis |
| CN207987761U (en) * | 2018-03-17 | 2018-10-19 | 中铁第五勘察设计院集团有限公司 | Can fixed position beam delivering machine |
| CN211036726U (en) * | 2019-08-01 | 2020-07-17 | 中铁十六局集团有限公司 | Segmental beam transportation sliding trolley |
| CN112081012A (en) * | 2020-09-04 | 2020-12-15 | 中交第四航务工程局有限公司 | Jacking and transporting method for large prestressed concrete precast box girder |
| CN215046197U (en) * | 2021-04-20 | 2021-12-07 | 中国建筑第八工程局有限公司 | A transport robot that is used for fashioned framework of steel reinforcement of large-scale case roof beam |
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| CN115057184B (en) | 2023-11-03 |
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