CN113459934A - Steel box girder transportation device and method - Google Patents
Steel box girder transportation device and method Download PDFInfo
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- CN113459934A CN113459934A CN202110760026.6A CN202110760026A CN113459934A CN 113459934 A CN113459934 A CN 113459934A CN 202110760026 A CN202110760026 A CN 202110760026A CN 113459934 A CN113459934 A CN 113459934A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/40—Vehicles adapted to transport, to carry or to comprise special loads or objects for carrying long loads, e.g. with separate wheeled load supporting elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P7/00—Securing or covering of load on vehicles
- B60P7/06—Securing of load
- B60P7/135—Securing or supporting by load bracing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D61/00—External frames or supports adapted to be assembled around, or applied to, articles
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- Mechanical Engineering (AREA)
- Transportation (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to the technical field of bridge construction, and provides a steel box girder transportation device and a method, wherein the device comprises a jig frame and an adjusting device; fixing a jig frame on a transport vehicle, detachably connecting an adjusting device on the top of the jig frame, wherein the adjusting device passes through two holes K on a steel plate AAThe height of the steel box girder in the transportation process is adjusted, and a rectangular hole K is arranged at the position close to the upper right part in the middle of the steel plate B and the steel plate CJBAnd KJCThe top surface cross slope angle in the transportation process of the steel box girder is adjusted, so that the steel box girder is tightly combined with the steel box girder transportation jig frame in the transportation process, the problem of local structural damage of the steel box girder caused by the influence of the bottom cross slope gradient in the transportation process of the steel box girder is solved, and the butt joint precision of the steel box girder, the seam welding quality and the smoothness of the line type are favorably ensured.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a steel box girder transportation device and method.
Background
The steel box girder is also called steel plate box girder, and is a common structural form of a large-span bridge. The steel box girder is generally used on bridges with large span and is called as a steel box girder because the steel box girder is shaped like a box. In large-span cable support bridge, the span of steel case girder reaches several hundred meters and to last kilometers, generally divide into a plurality of beam sections and make and install, and its cross section has broad width and flat appearance characteristics, and the aspect ratio reaches 1: about 10. The steel plate box beam is a structural form commonly adopted in engineering, and is generally formed by connecting a top plate, a bottom plate, a web plate, a transverse clapboard, a longitudinal clapboard, a stiffening rib and the like in a full-welding mode. The top plate is an orthotropic bridge deck composed of a cover plate and longitudinal stiffening ribs. The steel box girder is usually manufactured by a factory and transported to a field for assembly.
Because the bottom channels of the steel box girders are all provided with 2% -4% transverse slopes, local overlarge stress is easily caused in the transportation process, so that the structure of the steel box girders is damaged, and great loss is brought to the engineering. Therefore, the cross slope needs to be adjusted during transportation to ensure that the steel box girder structure is not damaged during transportation.
However, the conventional cross slope adjustment method adopts steel pipes and I-shaped steel for replacement, needs field cutting, and has the following technical defects:
the field cutting error is large, and the butt joint precision and the welding quality are influenced; uneven cutting can cause stress at the high part of the top and local void, and cause butt joint with a seam, which is not smooth.
Disclosure of Invention
Therefore, aiming at the technical problems in the prior art, the invention provides the steel box girder transportation jig frame, when the steel box girder is transported, the steel box girder is placed on the jig frame and is fixed on a transportation vehicle, the height and the angle of the jig frame are adjusted to enable the steel box girder and the jig frame to be tightly combined, the problem of local structural damage of the steel box girder caused by the influence of the bottom transverse slope gradient in the transportation process of the steel box girder is solved, and the butt joint precision of the steel box girder is favorably ensured, the seam welding quality is improved, and the line type is ensured to be smooth.
Specifically, the method is mainly realized by the following technical scheme:
in one aspect, the present invention provides a steel box girder transporting device, comprising:
a jig frame and an adjusting device;
the jig frame comprises 4 phi 219 steel pipes, a plurality of section steel batten strips, 2 double-spliced I-beams and 4 flanges, and the flanges are marked as a first phi 219 steel pipe, a second phi 219 steel pipe, a third phi 219 steel pipe and a fourth phi 219 steel pipe, the first double-spliced I-beam and the second double-spliced I-beam, and the first flange, the second flange, the third flange and the fourth flange; one end of a first phi 219 steel pipe is connected with one end of a first double-spliced I-shaped steel through a first flange, one end of a second phi 219 steel pipe is connected with the other end of the first double-spliced I-shaped steel through a second flange, one end of a third phi 219 steel pipe is connected with one end of a second double-spliced I-shaped steel through a third flange, and one end of a fourth phi 219 steel pipe is connected with the other end of the second double-spliced I-shaped steel through a fourth flange; the first phi 219 steel pipe is fixedly connected with the second phi 219 steel pipe, the second phi 219 steel pipe is fixedly connected with the third phi 219 steel pipe, the third phi 219 steel pipe is fixedly connected with the fourth phi 219 steel pipe, and the fourth phi 219 steel pipe is fixedly connected with the first phi 219 steel pipe through a plurality of steel lacing strips;
the adjusting device comprises a steel plate A, a steel plate B, a steel plate C and a steel plate D, wherein the upper part of the steel plate C is positioned between the two steel plates B and is fixed by bolts, the lower part of the steel plate C is positioned between the two steel plates A and is fixed by bolts, the two steel plates A are welded on the steel plate D, 4 holes are distributed in the steel plate D and are marked as KD4 phi 219 steel pipes of the jig frame are connected with one end of the double-spliced I-shaped steel and penetrate through the double-spliced I-shaped steel and then pass through 4KDIs detachably connected with the steel plate D; wherein, two rectangular holes are arranged on the steel plate A and marked as KAFor adjusting the height of the steel box girder during transportation(ii) a A round hole is arranged at the top left corner of the steel plate B and the steel plate C and is respectively marked as KYBAnd KYCThe connecting device is used for connecting the two steel plates B and C; a rectangular hole is further formed in the position, close to the upper right, of the middle of the steel plate B and the steel plate C, and is marked as KJBAnd KJC，KJBAnd KJCHas a certain slope and is used for adjusting the top surface cross slope angle in the transportation process of the steel box girder.
On the other hand, the steel box girder transportation method is also provided, and the steel box girder transportation device is used for transporting the steel box girder, and the method specifically comprises the following steps: fixing the jig frame on a transport vehicle, specifically fixing the jig frame with the transport vehicle through the other ends of a first phi 219 steel pipe, a second phi 219 steel pipe, a third phi 219 steel pipe and a fourth phi 219 steel pipe, detachably connecting an adjusting device on the top of the jig frame, wherein the adjusting device passes through two holes K on a steel plate AAThe height of the steel box girder in the transportation process is adjusted, and a rectangular hole K is arranged at the position close to the upper right part in the middle of the steel plate B and the steel plate CJBAnd KJCAdjusting the top cross slope angle during transportation of the steel box girder, wherein KJBAnd KJCHas a certain slope.
Compared with the prior art, the invention has the following beneficial effects:
the steel box girder transportation bed-jig is manufactured, the bed-jig is fixed on a transportation vehicle, the top of the bed-jig is connected with an adjusting device, and two holes K are formed in a steel plate AAUsed for adjusting the height of the steel box girder in the transportation process, and a rectangular hole K with a certain slope is arranged at the position close to the upper right part between the steel plate B and the steel plate CJBAnd KJCThe device is used for adjusting the top surface cross slope angle in the steel box girder transportation process, thereby realizing the tight combination of the steel box girder and the steel box girder transportation jig frame in the transportation process, solving the problem of local structural damage of the steel box girder caused by the influence of the bottom cross slope gradient in the steel box girder transportation process, and being beneficial to ensuring the butt joint precision of the steel box girder, improving the seam welding quality and ensuring the line type smoothness; can also be designed into different rectangular holes KJBAnd KJCSo as to be suitable for the adjustment of various cross slope rate influences; in addition, the steel box girder transportation jig frame is detachably connected with the adjusting deviceAnd the operation is simple.
Drawings
1. Fig. 1 is a schematic front structural view of a steel box girder transportation jig frame provided by an embodiment of the invention;
2. fig. 2 is a left-side structural schematic view of a steel box girder transportation jig provided by an embodiment of the invention;
3. fig. 3 is a schematic top structural view of a steel box girder transportation jig frame provided by an embodiment of the invention;
4. FIG. 4 is a schematic structural diagram of a steel box girder transportation adjusting device provided by the embodiment of the invention;
5. FIG. 5 is a schematic structural diagram of a steel plate A according to an embodiment of the present invention;
6. FIG. 6 is a schematic structural diagram of a steel plate B according to an embodiment of the present invention;
7. fig. 7 is a schematic structural diagram of a steel plate C according to an embodiment of the present invention;
8. fig. 8 is a schematic structural diagram of a steel plate D according to an embodiment of the present invention.
Detailed Description
In order to make the core idea of the present invention more clearly understood, the following detailed description will be made with reference to the accompanying drawings.
The invention discloses a steel box girder transportation device which comprises a jig frame and an adjusting device.
As shown in fig. 1 to 3, the steel box girder transportation jig frame comprises 4 phi 219 steel pipes, a plurality of section steel batten strips, 2 double-spliced i-beams and 4 flanges, which are marked as a first phi 219 steel pipe, a second phi 219 steel pipe, a third phi 219 steel pipe and a fourth phi 219 steel pipe, the first double-spliced i-beam and the second double-spliced i-beam, and the first flange, the second flange, the third flange and the fourth flange.
One end of a first phi 219 steel pipe is connected with one end of a first double-spliced I-shaped steel through a first flange, the first phi 219 steel pipe penetrates through the first double-spliced I-shaped steel, one end of a second phi 219 steel pipe is connected with the other end of the first double-spliced I-shaped steel through a second flange, the second phi 219 steel pipe also penetrates through the first double-spliced I-shaped steel, one end of a third phi 219 steel pipe is connected with one end of the second double-spliced I-shaped steel through a third flange, the third phi 219 steel pipe penetrates through the second double-spliced I-shaped steel, one end of a fourth phi 219 steel pipe is connected with the other end of the second double-spliced I-shaped steel through a fourth flange, and the fourth phi 219 steel pipe also penetrates through the second double-spliced I-shaped steel; the first phi 219 steel pipe and the second phi 219 steel pipe, the second phi 219 steel pipe and the third phi 219 steel pipe, the third phi 219 steel pipe and the fourth phi 219 steel pipe, and the fourth phi 219 steel pipe and the first phi 219 steel pipe are fixedly connected through a plurality of steel batten strips, for example, the phi 219 steel pipes can be fixed through two steel batten strips which are vertically and horizontally uniformly arranged, so that the first phi 219 steel pipe, the second phi 219 steel pipe, the third phi 219 steel pipe and the fourth phi 219 steel pipe form a stable square frame, and the square frame is further reinforced through the first double-spliced I-steel and the second double-spliced I-steel.
It should be noted that the steel box girder transporting jig is fixed on the transporting vehicle through the other ends of the first phi 219 steel tube, the second phi 219 steel tube, the third phi 219 steel tube and the fourth phi 219 steel tube, that is, the ends of the first phi 219 steel tube, the second phi 219 steel tube, the third phi 219 steel tube and the fourth phi 219 steel tube, which are far away from the first double-spliced i-steel and the second double-spliced i-steel.
As shown in fig. 4 to 8, the adjusting device comprises a steel plate a, a steel plate B, a steel plate C and a steel plate D, wherein the upper part of the steel plate C is positioned between the two steel plates B and fixed by bolts, the lower part of the steel plate C is positioned between the two steel plates a and fixed by bolts, the two steel plates a are welded on the steel plate D, and 4 holes are distributed at four angles on the steel plate D and marked as KD4 phi 219 steel pipes of the jig frame are connected with one end of the double-spliced I-shaped steel and penetrate through the double-spliced I-shaped steel and then pass through 4KDIs detachably connected with the steel plate D; wherein, two rectangular holes are arranged on the steel plate A and marked as KAThe height adjusting device is used for adjusting the height of the steel box girder in the transportation process; a round hole is arranged at the top left corner of the steel plate B and the steel plate C and is respectively marked as KYBAnd KYCThe connecting device is used for connecting the two steel plates B and C; a rectangular hole is further formed in the position, close to the upper right, of the middle of the steel plate B and the steel plate C, and is marked as KJBAnd KJC，KJBAnd KJCHas a certain slope and is used for adjusting the steel box girder in the transportation processThe top surface cross slope angle also ensures that 2 steel plates B can have certain up-down movement range; the lower part of the steel plate C is also provided with two rectangular holes and KACorrespondingly, is marked as KC。
In a preferred embodiment, the material of steel plate a, steel plate B, steel plate C and steel plate D is Q345.
In a preferred embodiment, the bolts are shear type high strength bolts 12.9 mm.
In a preferred embodiment, the dimensions of the steel plate a are: the length is 15cm, the height is 5cm, and the thickness is 2 cm.
In a preferred embodiment, the dimensions of the steel plate B are: the length is 15cm, the height is 15cm, and the thickness is 2 cm.
In a preferred embodiment, the dimensions of the steel plate C are: the length is 15cm, the height of the left side is 25cm, the height of the right side is 20cm, and the thickness is 3 cm.
In a preferred embodiment, the dimensions of the steel plate D are: the length is 23cm, the height is 15cm, and the thickness is 3 cm.
In a preferred embodiment, the steel box girder transporting device can also be applied to on-site splicing, when the steel box girder is transported to the on-site splicing, as the bottom channel of the steel box girder is provided with 2% -4% of transverse slopes and horizontal and longitudinal curves, the butt joint precision is difficult to control in the splicing process, and local butt joint deviation is easy to cause overlarge, thereby affecting the appearance and quality of the steel box girder. Therefore, the cross slope needs to be adjusted in the field splicing process so as to ensure the field splicing quality of the steel box girder. Therefore, when the steel box girder transportation device is used for splicing the steel box girder, the steel box girder is placed on the adjusting device, the adjusting device is fixed on the jig frame, the steel box girder is tightly combined with the jig frame by adjusting the height and the angle of the adjusting device, the problem that the butt joint precision of the steel box girder is influenced by the slope rate of the bottom cross slope in the splicing process of the steel box girder is solved, and the butt joint precision of the steel box girder is favorably ensured, the seam welding quality is improved, and the smoothness of a line type is ensured.
The invention also discloses a steel box girder transportation method, which is used for transporting the steel box girder by using the steel box girder transportation device provided by the embodiment and specifically comprises the following steps: securing a jig frame to a transport vehicleThe device is characterized in that the other ends of a first phi 219 steel pipe, a second phi 219 steel pipe, a third phi 219 steel pipe and a fourth phi 219 steel pipe are fixed with a transport vehicle, an adjusting device is detachably connected to the top of the jig frame and passes through two holes K in a steel plate AAThe height of the steel box girder in the transportation process is adjusted, and a rectangular hole K is arranged at the position close to the upper right part in the middle of the steel plate B and the steel plate CJBAnd KJCAdjusting the top cross slope angle during transportation of the steel box girder, wherein KJBAnd KJCHas a certain slope.
The invention is characterized in that a steel box girder transportation jig frame is manufactured, the jig frame is fixed on a transportation vehicle, the top of the jig frame is connected with an adjusting device, and two holes K are arranged on a steel plate AAUsed for adjusting the height of the steel box girder in the transportation process, and a rectangular hole K with a certain slope is arranged at the position close to the upper right part between the steel plate B and the steel plate CJBAnd KJCThe device is used for adjusting the top surface cross slope angle in the steel box girder transportation process, thereby realizing the tight combination of the steel box girder and the steel box girder transportation jig frame in the transportation process, solving the problem of local structural damage of the steel box girder caused by the influence of the bottom cross slope gradient in the steel box girder transportation process, and being beneficial to ensuring the butt joint precision of the steel box girder, improving the seam welding quality and ensuring the line type smoothness; can also be designed into different rectangular holes KJBAnd KJCSo as to be suitable for the adjustment of various cross slope rate influences; in addition, the steel box girder transportation jig frame is detachably connected with the adjusting device, and the operation is simple.
The foregoing detailed description of the embodiments of the present invention has been presented for the purpose of illustrating the principles and implementations of the present invention, and the description of the embodiments is only provided to assist understanding of the core concepts of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (2)
1. A steel box girder transportation device, comprising:
a jig frame and an adjusting device;
the jig frame comprises 4 phi 219 steel pipes, a plurality of section steel batten strips, 2 double-spliced I-beams and 4 flanges, and the flanges are marked as a first phi 219 steel pipe, a second phi 219 steel pipe, a third phi 219 steel pipe and a fourth phi 219 steel pipe, the first double-spliced I-beam and the second double-spliced I-beam, and the first flange, the second flange, the third flange and the fourth flange; one end of a first phi 219 steel pipe is connected with one end of a first double-spliced I-shaped steel through a first flange, one end of a second phi 219 steel pipe is connected with the other end of the first double-spliced I-shaped steel through a second flange, one end of a third phi 219 steel pipe is connected with one end of a second double-spliced I-shaped steel through a third flange, and one end of a fourth phi 219 steel pipe is connected with the other end of the second double-spliced I-shaped steel through a fourth flange; the first phi 219 steel pipe is fixedly connected with the second phi 219 steel pipe, the second phi 219 steel pipe is fixedly connected with the third phi 219 steel pipe, the third phi 219 steel pipe is fixedly connected with the fourth phi 219 steel pipe, and the fourth phi 219 steel pipe is fixedly connected with the first phi 219 steel pipe through a plurality of steel lacing strips;
the adjusting device comprises steel plates (A), (B), (C) and (D), the upper part of each steel plate (C) is positioned between the two steel plates (B) and fixed by bolts, the lower part of each steel plate (C) is positioned between the two steel plates (A) and fixed by bolts, the two steel plates (A) are welded on the steel plates (D), and 4 holes are distributed in the steel plates (D) and marked as KD4 phi 219 steel pipes of the jig frame are connected with one end of the double-spliced I-shaped steel and penetrate through the double-spliced I-shaped steel and then pass through 4KDIs detachably connected with the steel plate (D); wherein, two rectangular holes are arranged on the steel plate (A) and marked as KAThe height adjusting device is used for adjusting the height of the steel box girder in the transportation process; a round hole is arranged at the top left corner of the steel plate (B) and the steel plate (C) and is respectively marked as KYBAnd KYCFor joining two steel plates (B) and (C); a rectangular hole is further formed in the position close to the upper right part between the steel plate (B) and the steel plate (C), and is respectively marked as KJBAnd KJC，KJBAnd KJCHas a certain slope and is used for adjusting the top surface cross slope angle in the transportation process of the steel box girder.
2. A steel box girder transportation method is characterized in thatThe steel box girder transportation device according to claim 1, which is used for transporting the steel box girder, specifically comprises: fixing a jig frame on a transport vehicle, specifically fixing the jig frame with the transport vehicle through the other ends of a first phi 219 steel pipe, a second phi 219 steel pipe, a third phi 219 steel pipe and a fourth phi 219 steel pipe, detachably connecting an adjusting device on the top of the jig frame, wherein the adjusting device passes through two holes K on a steel plate (A)AThe height of the steel box girder in the transportation process is adjusted, and a rectangular hole K is arranged near the upper right position in the middle of the steel plate (B) and the steel plate (C)JBAnd KJCAdjusting the top cross slope angle during transportation of the steel box girder, wherein KJBAnd KJCHas a certain slope.
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| CN202110760026.6A CN113459934B (en) | 2021-07-06 | 2021-07-06 | Steel box girder transportation device and method |
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| CN202110760026.6A CN113459934B (en) | 2021-07-06 | 2021-07-06 | Steel box girder transportation device and method |
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| CN113459934B (en) | 2022-07-29 |
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