CN110578299A - universal simple beam transporting trolley and use method thereof - Google Patents
universal simple beam transporting trolley and use method thereof Download PDFInfo
- Publication number
- CN110578299A CN110578299A CN201910913365.6A CN201910913365A CN110578299A CN 110578299 A CN110578299 A CN 110578299A CN 201910913365 A CN201910913365 A CN 201910913365A CN 110578299 A CN110578299 A CN 110578299A
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- trolley
- bridge
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- top plate
- transportation
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000009194 climbing Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 8
- 241001669679 Eleotris Species 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
Abstract
The invention relates to a universal simple beam transporting trolley and a using method thereof, relates to the technical field of bridge construction, and aims to solve the problem of transporting bridge structures above a bridge supporting structure. A universal simple beam-transporting trolley comprises a top plate, two parallel side plates arranged below the top plate, two rolling mechanisms arranged below the top plate and traction mechanisms arranged at two ends of the side plates; a using method of a universal simple beam-transporting trolley comprises the following steps: the method comprises the steps of setting up a transportation rail, hanging a trolley on the transportation rail, connecting a rope of a winch with the trolley, hanging a bridge structural member on a top plate of the trolley, drawing the trolley along the transportation rail by using the winch, starting a hydraulic cylinder to jack the trolley and the bridge structural member, starting the hydraulic cylinder to retract to drop the bridge structural member on a sleeper, and drawing the trolley to a starting point by using the winch. The trolley disclosed by the invention has a simple structure and can transport bridge structural members in a limited space above a bridge supporting structure.
Description
Technical Field
the invention relates to the technical field of bridge construction, in particular to a universal simple beam transporting trolley and a using method thereof.
Background
The upper structure design of the bridge mostly adopts a prefabricated erection structure, and the bridge body is prefabricated in a centralized manner in a prefabricated field during construction and is transported to a construction site by a beam transporting vehicle. Generally, in the construction on land, a bridge structure transported to the site is lifted by a crane and transported to a construction position above a supporting structure, and in the construction of a river-crossing or sea-crossing bridge, large-sized hoisting equipment cannot be used for the transportation construction of the structure due to site limitation and cost investment, so that equipment capable of transporting the bridge structure above the bridge supporting structure is required.
Disclosure of Invention
the invention aims to provide a universal simple beam transporting trolley which has the beneficial effects that the structure is simple, and the bridge structural parts can be stably transported in the limited space above the bridge supporting structure.
One of the above objects of the present invention is achieved by the following technical solutions:
the utility model provides a simple and easy fortune roof beam platform truck of universality, includes the roof, locates two curb plates that are parallel to each other of roof below, locate at least two rolling mechanism of roof below and locate the drive mechanism at curb plate both ends, rolling mechanism including connect in two pivot between the curb plate with rotate connect in epaxial cylinder.
through adopting above-mentioned technical scheme, place the platform truck in bridge bearing structure top, place the bridge structure spare again on the roof of platform truck, use pulling equipment (for example hoist engine, electric block etc.) to pull the platform truck through drive mechanism for the platform truck rolls gradually through the cylinder rotates around the pivot and gos forward, realizes the transportation to the bridge structure spare. The trolley is simple in structure and low in manufacturing cost, and can transport bridge structural members in a limited space above the bridge supporting structure.
the invention is further configured to: the traction mechanism comprises fixing plates connected to two ends of the side plates and lug plates connected to the fixing plates, and connecting holes are formed in the lug plates.
through adopting above-mentioned technical scheme, the fixed plate is connected between two blocks of curb plates, and consequently, the fixed plate passes through the central line of platform truck, and when pulling the platform truck, the accessible is connected the pulling equipment in the connecting hole on the otic placode, realizes pulling to the platform truck, because the traction position is located between two blocks of curb plates this moment, consequently the platform truck can not take place crooked in the direction of advancing to guaranteed the steady transportation to the bridge structure spare in the direction of pulling.
the invention is further configured to: and a reinforcing rib plate is arranged below the ear plate and connected between the fixed plate and the ear plate.
through adopting above-mentioned technical scheme, deep floor has further consolidated being connected between otic placode and the fixed plate, avoids drive mechanism to be damaged by the traction in-process.
the invention is further configured to: the middle of the top plate is provided with a jacking mechanism, the jacking mechanism comprises a hydraulic cylinder vertically arranged below the top plate, the end part of a piston column of the hydraulic cylinder is connected to the top plate, and the distance between the bottom of the top plate and the lowest position of the roller is smaller than the maximum height of the hydraulic cylinder and larger than the minimum height of the hydraulic cylinder.
by adopting the technical scheme, the piston column of the hydraulic cylinder is contracted in the cylinder body in the transportation process of the trolley, so that the overall height of the hydraulic cylinder is smaller than the height from the top plate to the lowest position of the roller, and therefore, the cylinder body of the hydraulic cylinder cannot contact with a transportation rail in the transportation process, and further cannot interfere with the movement of the trolley; when the bridge structural member needs to be rotated in the direction or placed on a sleeper, a piston rod of the pneumatic hydraulic cylinder is ejected out, and the piston rod pushes a cylinder body of the hydraulic cylinder to be downwardly ejected onto a transportation rail, so that the trolley and the bridge structural member on the trolley are integrally lifted, and the rotation or beam falling is facilitated.
The invention is further configured to: and an anti-skid layer is arranged on the upper surface of the top plate.
By adopting the technical scheme, the anti-slip layer has the function of preventing the bridge structural member placed above the anti-slip layer from slipping, and the stability of the bridge structural member in the placing and transporting processes is ensured.
The invention is further configured to: limiting plates with the diameter larger than that of the roller are arranged at the two ends of the roller.
through adopting above-mentioned technical scheme, the platform truck is at the removal in-process, and the limiting plate is located the orbital both sides of transportation, can not influence the roll of cylinder, and simultaneously, the limiting plate can prevent that the platform truck from taking place the skew at the removal in-process, has guaranteed that the platform truck can remove along the transportation track.
The invention is further configured to: and a bearing is arranged between the roller and the rotating shaft and is arranged in inner holes at two ends of the roller.
Through adopting above-mentioned technical scheme, the bearing can reduce the frictional force between cylinder and the pivot, improves the gyration precision of cylinder, can also make the cylinder more nimble for the rotation of pivot simultaneously, and the required traction force of platform truck removal is littleer.
The invention is further configured to: the bearing is a self-aligning roller bearing.
by adopting the technical scheme, the self-aligning roller bearing mainly bears radial load and can bear axial load in any direction, the self-aligning performance is good, the coaxiality error can be compensated, the bearing can still be normally used when the rotating shaft is stressed and bent or is installed in a non-concentric mode, the bearing has high load capacity, the bearing can bear axial load with bidirectional action besides the radial load, the anti-impact capacity is high, and generally the operating rotating speed allowed by the self-aligning roller bearing is low. Suitable for operation under heavy or vibratory loads, and self-aligning roller bearings are therefore suitable for use herein.
The invention also aims to provide a using method of the universal simple beam transporting trolley suitable for the structure, which has the beneficial effects of stable transportation, stable and timely stopping and convenience for moving and placing bridge structural members.
The second purpose of the invention is realized by the following technical scheme:
A using method of a universal simple beam-transporting trolley comprises the following steps:
S1: erecting a transportation track at the top of the bridge supporting structure;
S2: hoisting the trolley on the transportation rail through a crane;
S3: connecting a rope of the winch to a traction mechanism of the trolley;
S4: placing the bridge structural member on a top plate of the trolley, and using a winch to pull the trolley to move forward along the transportation track until the bridge structural member is transported to a required position;
S5: starting the hydraulic cylinder to push out a piston column of the hydraulic cylinder, and pushing a cylinder body of the hydraulic cylinder downwards onto the transportation rail to integrally jack up the trolley and the bridge structural member;
s6: placing the sleeper below the bridge structural member, starting the hydraulic cylinder to retract, and enabling the bridge structural member to fall on the sleeper;
S7: the winch pulls the trolley to move reversely along the transportation track to return to the starting point for the next transportation.
By adopting the technical scheme, the trolley is dragged to move on the transportation rail by the winch, so that the trolley can transport bridge structural members stably and stop stably and timely; meanwhile, the jacking mechanism is utilized to jack up the trolley and the bridge structural member, so that the bridge structural member is laid, the use requirement is met, and the use is convenient.
The invention is further configured to: the transportation track has set up twice that is parallel to each other, has all placed two platform trucks on every transportation track, and is even as an organic whole through the connecting rod between the adjacent platform truck, and the bridge structure passes through four platform trucks and supports jointly.
through adopting above-mentioned technical scheme, placing and supporting of bridge structures are more stable, because the area of contact between the bottom of bridge structures and the platform truck is bigger, therefore placing of platform truck is stable, even there is slight jolting in the transportation, also difficult emergence is emptyd and is fallen. The four trolleys are connected into a whole through the connecting rod, so that the synchronous movement of the four trolleys when the four trolleys are dragged is ensured, and the stable support of the bridge structural member is further ensured.
in conclusion, the beneficial technical effects of the invention are as follows:
1. the design is simple, the processing and the manufacturing are convenient, and the requirement on the site is not high;
2. The transportation of various structures can be adapted, and the application range is wide;
3. The trolley is pulled by the winch to move on the transportation rail, so that the trolley can transport bridge structural members stably and stop stably and timely;
4. utilize climbing mechanism jack-up platform truck and bridge structural component and realize laying the bridge structural component, satisfied the user demand, and convenient to use.
Drawings
Fig. 1 is a schematic view of an overall structure of a universal simple girder transporting trolley disclosed by the present invention at a first viewing angle.
Fig. 2 is a schematic view of an overall structure of a universal simple girder transporting trolley disclosed by the present invention at a second viewing angle.
fig. 3 is a schematic sectional structure view of the rolling mechanism.
FIG. 4 is a flow chart of a method for using a universal simple girder transporting trolley disclosed by the present invention.
In the figure, 1, a top plate; 2. an anti-slip layer; 3. a side plate; 4. a rolling mechanism; 41. a rotating shaft; 42. a drum; 43. a limiting plate; 44. a bearing; 5. a traction mechanism; 51. a fixing plate; 52. an ear plate; 53. connecting holes; 54. reinforcing rib plates; 6. a jacking mechanism; 61. and a hydraulic cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the universal simple beam transporting trolley disclosed by the invention comprises a top plate 1, two parallel side plates 3 welded below the top plate 1, two rolling mechanisms 4 arranged below the top plate 1 and traction mechanisms 5 arranged at two ends of the side plates 3, wherein the two side plates 3 are symmetrically arranged about a central line of the top plate 1, and an anti-slip layer 2 is adhered to the upper surface of the top plate 1, the anti-slip layer 2 in the embodiment of the invention is a rubber cushion layer, and the anti-slip layer 2 has an effect of preventing a bridge structural member placed above the anti-slip layer from slipping off, so that the stability of the bridge structural member in the placing and transporting processes is ensured.
Referring to fig. 2 and 3, the rolling mechanism 4 includes a rotating shaft 41 connected between the two side plates 3 and a roller 42 rotatably connected to the rotating shaft 41, the diameters of the two ends of the rotating shaft 41 are larger than the diameter of the middle part to form a limiting step, the roller 42 is sleeved between the limiting steps, the two ends of the roller 42 are integrally connected with a limiting plate 43 with a diameter larger than the diameter of the roller 42, and the limiting plate 43 can prevent the trolley from shifting in the moving process, so that the trolley can move along the transportation track; the bearings 44 are connected between the roller 42 and the rotating shaft 41, the bearings 44 are arranged in inner holes at two ends of the roller 42, and the roller 42 needs to bear radial load and axial load during the operation of the trolley, so the bearings 44 in the invention are self-aligning roller bearings.
Referring to fig. 1 and 2, the traction mechanism 5 includes fixing plates 51 connected to two ends of the two side plates 3, and ear plates 52 connected to the fixing plates 51, the central line of the ear plate 52 coincides with the projection of the central line of the trolley in the horizontal plane, a connecting hole 53 is formed in the middle of the upper ear plate 52, in order to ensure the connection firmness of the ear plate 52, a reinforcing rib plate 54 is arranged below the ear plate 52, the reinforcing rib plate 54 is in the shape of a right triangle, and two right-angle sides of the reinforcing rib plate 54 are welded to the fixing plates 51 and the ear plates 52 respectively.
referring to fig. 2, in order to further satisfy the jacking requirement for the bridge structural member, a jacking mechanism 6 is arranged in the middle of the top plate 1, the jacking mechanism 6 comprises a hydraulic cylinder 61 vertically arranged below the top plate 1, the piston column end of the hydraulic cylinder 61 is connected to the top plate 1, and the distance between the bottom of the top plate 1 and the lowest position of the roller 42 is smaller than the maximum height of the hydraulic cylinder 61 and larger than the minimum height of the hydraulic cylinder 61. In the transportation process of the trolley, the piston column of the hydraulic cylinder 61 is contracted in the cylinder body, so that the whole height of the hydraulic cylinder 61 is smaller than the height from the top plate 1 to the lowest position of the roller 42, and therefore, the cylinder body of the hydraulic cylinder 61 cannot contact with a transportation rail in the transportation process, and further cannot interfere with the movement of the trolley; when the bridge structural member needs to be rotated in the direction or placed on a sleeper, a piston rod of the pneumatic hydraulic cylinder 61 is ejected out, the piston rod pushes a cylinder body of the hydraulic cylinder 61 to be downwardly ejected onto a transportation rail, so that the trolley and the bridge structural member on the trolley are integrally lifted, and the rotation or beam falling is facilitated.
In this embodiment, the case girder transportation is taken as an example to illustrate a method for using a universal simple girder transporting trolley disclosed by the invention: referring to fig. 4, the method specifically includes the following steps:
S1: two parallel transportation tracks are erected at the top of the bridge supporting structure along the extension direction of the bridge, the transportation tracks can be steel plates or concrete tracks, and the width of each transportation track is smaller than the distance between the limiting plates 43 on the rollers 42;
S2: the method comprises the following steps of (1) hoisting trolleys on conveying rails through cranes, placing two trolleys on each conveying rail, wherein the trolleys are four, the bottoms of rollers 42 of the trolleys are in contact with the conveying rails, adjacent trolleys are connected into a whole through connecting rods, the connecting rods are made of profile steel, and the connecting rods are connected with top plates 1 of the trolleys into a whole through bolts;
S3: connecting a rope of the winch to a connecting hole 53 on the traction mechanism 5;
S4: the box girder is hung on a top plate 1 of the trolley, and the trolley is dragged to advance along the transportation track by using a winch until the box girder is transported to a required position;
S5: starting the hydraulic cylinder 61 to push out the piston column of the hydraulic cylinder 61, and pushing the cylinder body of the hydraulic cylinder 61 downwards onto the transportation rail to jack up the trolley and the box girder integrally;
S6: placing the crosstie below the bridge structural member, starting the hydraulic cylinder 61 to retract, and enabling the bridge structural member to fall on the crosstie;
s7: the winch pulls the trolley to move reversely along the transportation track to return to the starting point for the next transportation.
the trolley disclosed by the invention is simple in structural design, convenient to process and manufacture and low in requirement on sites; the transportation of various structures can be adapted, and the application range is wide; the trolley is pulled by the winch to move on the transportation rail, so that the trolley can transport bridge structural members stably and stop stably and timely; utilize 6 jack-ups trolleys of climbing mechanism and bridge structural component and realize laying the bridge structural component, satisfied the user demand, and convenient to use.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a simple and easy fortune roof beam platform truck of universality which characterized in that: the rolling mechanism comprises a top plate (1), two mutually parallel side plates (3) arranged below the top plate (1), at least two rolling mechanisms (4) arranged below the top plate (1) and traction mechanisms (5) arranged at two ends of each side plate (3), wherein each rolling mechanism (4) comprises a rotating shaft (41) connected between the two side plates (3) and a roller (42) rotatably connected to the rotating shaft (41).
2. The universal simple beam transporting trolley according to claim 1, wherein: the traction mechanism (5) comprises fixing plates (51) connected to two ends of the side plates (3) and lug plates (52) connected to the fixing plates (51), and connecting holes (53) are formed in the lug plates (52).
3. The universal simple beam transporting trolley according to claim 2, wherein: reinforcing rib plates (54) are arranged below the ear plates (52), and the reinforcing rib plates (54) are connected between the fixing plate (51) and the ear plates (52).
4. The universal simple beam transporting trolley according to claim 1, wherein: be equipped with climbing mechanism (6) in the middle of roof (1), climbing mechanism (6) are including vertical locating pneumatic cylinder (61) of roof (1) below, the piston post end connection of pneumatic cylinder (61) in roof (1) is last, roof (1) bottom with the distance between cylinder (42) the lowest is less than the maximum height of pneumatic cylinder (61) and be greater than the minimum height of pneumatic cylinder (61).
5. The universal simple girder transport trolley according to any one of claims 1 to 4, wherein: and an anti-skid layer (2) is arranged on the upper surface of the top plate (1).
6. The universal simple beam transporting trolley according to claim 1, wherein: and limiting plates (43) with the diameter larger than that of the roller (42) are arranged at the two ends of the roller (42).
7. The universal simple girder transporting trolley according to claim 1, wherein: and a bearing (44) is arranged between the roller (42) and the rotating shaft (41), and the bearing (44) is arranged in inner holes at two ends of the roller (42).
8. The universal simple beam transporting trolley according to claim 7, wherein: the bearing (44) is a self-aligning roller bearing.
9. The use method of the universal simple beam-transporting trolley according to claim 4, wherein the method comprises the following steps: the method comprises the following steps:
s1: erecting a transportation track at the top of the bridge supporting structure;
s2: hoisting the trolley on the transportation rail through a crane;
s3: connecting a rope of the winch to a traction mechanism (5) of the trolley;
S4: placing the bridge structural member on a top plate (1) of the trolley, and using a winch to pull the trolley to advance along the transportation track until the bridge structural member is transported to a required position;
S5: starting the hydraulic cylinder (61) to eject the piston column of the hydraulic cylinder (61), and ejecting the cylinder body of the hydraulic cylinder (61) downwards onto the transportation rail to jack up the trolley and the bridge structural part integrally;
S6: putting the sleepers below the bridge structural members, starting the hydraulic cylinders (61) to retract, and enabling the bridge structural members to fall on the sleepers;
s7: the winch pulls the trolley to move reversely along the transportation track to return to the starting point for the next transportation.
10. The method of claim 9, wherein the method comprises the steps of: the transportation track has set up twice that is parallel to each other, has all placed two platform trucks on every transportation track, and is even as an organic whole through the connecting rod between the adjacent platform truck, and the bridge structure passes through four platform trucks and supports jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910913365.6A CN110578299A (en) | 2019-09-25 | 2019-09-25 | universal simple beam transporting trolley and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910913365.6A CN110578299A (en) | 2019-09-25 | 2019-09-25 | universal simple beam transporting trolley and use method thereof |
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| CN110578299A true CN110578299A (en) | 2019-12-17 |
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| CN201910913365.6A Pending CN110578299A (en) | 2019-09-25 | 2019-09-25 | universal simple beam transporting trolley and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931078A (en) * | 2021-11-26 | 2022-01-14 | 中铁宝桥（扬州）有限公司 | Design analysis method for transportation tool for manufacturing large steel truss girder segment |
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| CN109252453A (en) * | 2018-11-26 | 2019-01-22 | 中铁工程机械研究设计院有限公司 | Improve the combined type beam car and its construction of whole Transporting performance |
| CN211142825U (en) * | 2019-09-25 | 2020-07-31 | 中交二公局第五工程有限公司 | Simple universal beam transporting trolley |
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2019
- 2019-09-25 CN CN201910913365.6A patent/CN110578299A/en active Pending
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| CN2646112Y (en) * | 2003-08-08 | 2004-10-06 | 郑州市华中路桥设备有限公司 | Vertically and horizontally moving hydraulic hoisting convey beam trolley |
| US20130174361A1 (en) * | 2010-09-06 | 2013-07-11 | Shunquan Qin | Three-truss continuous steel truss girder-pushing device and arrangement method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113931078A (en) * | 2021-11-26 | 2022-01-14 | 中铁宝桥（扬州）有限公司 | Design analysis method for transportation tool for manufacturing large steel truss girder segment |
| CN113931078B (en) * | 2021-11-26 | 2023-07-21 | 中铁宝桥（扬州）有限公司 | Design analysis method of shipping tool for manufacturing large sections of steel truss girder |
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