CN113216001A - Supporting leg structure for erecting bridge in bridge girder erection machine tunnel - Google Patents
Supporting leg structure for erecting bridge in bridge girder erection machine tunnel Download PDFInfo
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- CN113216001A CN113216001A CN202110573251.9A CN202110573251A CN113216001A CN 113216001 A CN113216001 A CN 113216001A CN 202110573251 A CN202110573251 A CN 202110573251A CN 113216001 A CN113216001 A CN 113216001A
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- bridge
- base
- leg
- support leg
- erecting
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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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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to the technical field of bridge construction, and particularly relates to a support leg structure for erecting a bridge in a bridge erecting machine tunnel, which comprises a bridge erecting machine base, wherein a support leg main body is arranged at the bottom of the bridge erecting machine base, cable wire drums are arranged on the front side and the rear side of the support leg main body, a hydraulic cylinder is arranged at the bottom of the cable wire drum, a movable leg is arranged at the bottom of the support leg main body, a support leg base is arranged at the bottom of the movable leg, a support leg foundation is arranged at the bottom of the support leg base, a connecting lug is arranged in the middle of the support; according to the support leg structure for erecting the bridge in the tunnel, the support leg foundation and the support leg main body can be stably connected together by using the base fixing groove and the connecting hole, the support leg main body can be subjected to oblique tension of the steel cable by using the steel cable hub and the steel cable winding drum, the height of the base of the bridge erecting machine can be set according to requirements by using the hydraulic cylinder, and the height of the base of the bridge erecting machine can be accurately adjusted in a small range by using the cylindrical hydraulic pump.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to a supporting leg structure for erecting a bridge in a tunnel of a bridge erecting machine.
Background
With the development of the economic construction of China, the construction of transportation is also continuously developed, and the bridge girder erection machine is produced along with the transportation of large-scale bridge engineering. As a large-scale bridge erecting device, the bridge erecting machine is widely applied and rapidly developed. The support legs of the bridge girder erection machine are important components of the bridge girder erection machine and are main support parts of the bridge girder erection machine, and play an important role in the hoisting work of the bridge girder erection machine. Due to the influence of many factors such as geographic environment, terrain, landform and the like, railways and highways can pass through tunnels. When a bridge is erected in the tunnel, special supporting legs of the bridge girder erection machine are needed to support the bridge girder erection machine.
Original bridge crane landing leg is when using, adjusts the high bridge crane that erects of landing leg for the height difference value that directly comes adjustment landing leg height according to bridge and ground usually, however the shape is complicated in the tunnel, if there is the difference in height then need demolish the basis and set up again when laying, and is extremely inconvenient, and landing leg stability also can receive the influence when having phenomenons such as quicksand, underground river, ground soft in the tunnel in addition, and can corrode the landing leg structure sometimes, leaves construction safety hidden danger.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the support leg structure for erecting the bridge in the bridge girder erection machine tunnel, which has the characteristics of convenience in installation and adjustment and good stability.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a set up landing leg structure of bridge in frame bridge crane tunnel, includes the frame bridge crane base, frame bridge crane base bottom is provided with the landing leg main part, the cable wire reel is all installed on both sides around the landing leg main part, cable wire reel bottom is provided with the pneumatic cylinder, landing leg main part bottom is provided with movable leg, movable leg bottom is provided with the landing leg base, landing leg base bottom is provided with the landing leg basis, be provided with the connecting convex block in the middle of the landing leg basis, cable wire wheel hub is installed at landing leg basis both ends.
As a preferred technical scheme of the present invention, the bridge erecting machine base and the landing leg main body are fixedly connected by a cylindrical hydraulic pump, and the height of the bridge erecting machine base can be adjusted by the cylindrical hydraulic pump.
As a preferred technical solution of the present invention, the cable hub may be connected to the cable drum by using a cable, the bottom of the cable drum is provided with a cable fixing hole, and the cable drum may adjust the length of the cable and be inserted into the cable fixing hole for fixing.
As a preferable technical scheme of the present invention, bolt fixing holes are formed in both the left and right sides of the leg main body and the movable leg, the bolt fixing holes are formed in the bottom of the leg main body, and the bolt fixing holes are linearly arranged on the surface of the movable leg.
As a preferred technical solution of the present invention, the movable leg is embedded in the leg body, the bottom of the hydraulic cylinder is welded to the leg base, the length of the exposed portion of the movable leg is adjustable by the hydraulic cylinder, and the length of the movable leg is fixed by the bolt fixing hole.
As a preferred technical solution of the present invention, a base fixing groove is formed in a bottom surface of the base of the leg, the connecting protrusion may be embedded in the base fixing groove, and four corners of the base fixing groove are provided with four connecting holes.
As a preferred technical scheme of the invention, the top surface of the connecting lug is provided with four slotted holes, and the slotted holes correspond to the connecting holes in position.
Compared with the prior art, the invention has the beneficial effects that: according to the support leg structure for erecting the bridge in the tunnel, the support leg foundation and the support leg main body can be connected together seamlessly and stably by using the base fixing groove and the connecting hole, the corrosion of accumulated water in the tunnel is avoided, the support leg main body can be subjected to the oblique tension of the steel cable by using the steel cable hub and the steel cable winding drum, the stability of the support leg structure in a complex environment is ensured, the height of the base of the bridge erecting machine can be set according to requirements by using the hydraulic cylinder, the height of the base of the bridge erecting machine can be accurately adjusted in a small range by using the cylindrical hydraulic pump, the accuracy of the bridge engineering is ensured, and the support leg structure is suitable for various use environments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a schematic diagram of the basic structure of the present invention;
in the figure: 1. a bridge erecting machine base; 2. a cylindrical hydraulic pump; 3. a leg body; 4. a movable leg; 5. a leg base; 6. a connection bump; 7. a support leg base; 8. a wire rope hub; 9. a wire rope drum; 10. a hydraulic cylinder; 11. a bolt fixing hole; 12. a steel cable fixing hole; 13. a slot; 14. a base fixing groove; 15. and connecting the holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides the following technical solutions: a supporting leg structure for erecting a bridge in a bridge erecting machine tunnel comprises a bridge erecting machine base 1, a supporting leg main body 3 is arranged at the bottom of the bridge erecting machine base 1, cable wire drums 9 are arranged at the front side and the rear side of the supporting leg main body 3, hydraulic cylinders 10 are arranged at the bottoms of the cable wire drums 9, movable legs 4 are arranged at the bottoms of the supporting leg main bodies 3, a supporting leg base 5 is arranged at the bottom of the movable legs 4, a supporting leg base 7 is arranged at the bottom of the supporting leg base 5, a connecting lug 6 is arranged in the middle of the supporting leg base 7, cable wire hubs 8 are arranged at the two ends of the supporting leg base 7, when the supporting leg base is used, the supporting leg base 7 is integrally poured at a designated position in the tunnel, the connecting lug 6 is embedded into a base fixing groove 14, the supporting leg base 5 is fixed through a groove hole 13 and a connecting hole 15, the supporting leg base 7 is connected with the supporting leg main body 3, the length of the movable legs 4 is adjusted through the hydraulic cylinders 10, the bolt fixing hole 11 is used for fixing the bridge erecting machine base 1 to be fixed after the height reaches the standard, if the height is slightly deviated, the hydraulic pump 2 can be used for adjusting the height, the operation is very convenient, then the steel cable is connected to the steel cable winding drum 9 from the steel cable hub 8, the steel cable is fixed by the steel cable fixing hole 12 after the length of the steel cable is adjusted to be proper by the steel cable winding drum 9, and the stability of the supporting leg structure is ensured.
Specifically, as shown in fig. 1 and fig. 2, in this embodiment, the bridge erecting machine base 1 and the landing leg main body 3 are fixedly connected by the cylindrical hydraulic pump 2, and the cylindrical hydraulic pump 2 can adjust the height of the bridge erecting machine base 1, thereby ensuring the adjustability of the bridge erecting machine base.
Specifically, as shown in fig. 1 and 2, in this embodiment, the cable hub 8 may be connected to the cable drum 9 through a cable, the bottom of the cable drum 9 is provided with a cable fixing hole 12, and the cable drum 9 can adjust the length of the cable and insert the cable drum into the cable fixing hole 12 for fixing, so that the cable can maintain tension on the support leg structure, thereby ensuring the stability of the support leg structure.
Specifically, according to fig. 1 and 3, in this embodiment, bolt fixing holes 11 are formed in the left and right sides of the leg main body 3 and the movable leg 4, the bolt fixing holes 11 are formed in the bottom of the leg main body 3, and the bolt fixing holes 11 are linearly arranged on the surface of the movable leg 4, so that the height of the leg main body 3 can be adjusted according to the movable leg 4.
Specifically, according to fig. 1 and 3, in this embodiment, the movable leg 4 is partially embedded in the leg main body 3, the bottom of the hydraulic cylinder 10 is welded to the leg base 5, the hydraulic cylinder 10 can adjust the length of the exposed portion of the movable leg 4, and the bolt fixing hole 11 can fix the length of the movable leg 4, thereby ensuring the adjustability of the height of the leg main body 3.
Specifically, according to fig. 1 and 5, in this embodiment, a base fixing groove 14 is formed in the bottom surface of the leg base 5, the connecting protrusion 6 can be embedded into the base fixing groove 14, and four connecting holes 15 are formed in four corners of the base fixing groove 14, so that the leg base 5 and the leg base 7 can be conveniently connected and fixed.
Specifically, according to fig. 1 and 5, in the present embodiment, four slots 13 are formed on the top surface of the connecting protrusion 6, and the slots 13 correspond to the connecting holes 15, so as to ensure the stability of the connection between the leg base 5 and the leg base 7.
The working principle and the using process of the invention are as follows: when the support leg structure for erecting the bridge in the tunnel is used, the support leg foundation 7 is integrally poured at a designated position in the tunnel, the connecting lug 6 is embedded into the base fixing groove 14, the support leg base 5 is fixed by the aid of the slotted holes 13 and the connecting holes 15, the support leg foundation 7 is connected with the support leg main body 3, the length of the movable leg 4 is adjusted by the aid of the hydraulic cylinder 10, the bridge erecting base 1 is fixed by the aid of the bolt fixing holes 11 after reaching the standard, if the height is slightly deviated, the hydraulic pump 2 can be used for adjusting the height conveniently, the steel cable is connected to the steel cable drum 9 from the steel cable hub 8, the steel cable is adjusted by the steel cable drum 9 properly, and then the steel cable is fixed by the steel cable fixing holes 12, and stability of the support leg structure is guaranteed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 (7)
1. The utility model provides a set up landing leg structure of bridge in bridging machine tunnel, includes bridging machine base (1), its characterized in that: the bridge erecting machine is characterized in that a support leg main body (3) is arranged at the bottom of the bridge erecting machine base (1), cable drums (9) are installed on the front side and the rear side of the support leg main body (3), hydraulic cylinders (10) are arranged at the bottom of the cable drums (9), movable legs (4) are arranged at the bottom of the support leg main body (3), a support leg base (5) is arranged at the bottom of the movable legs (4), a support leg base (7) is arranged at the bottom of the support leg base (5), connecting convex blocks (6) are arranged in the middle of the support leg base (7), and cable hubs (8) are installed at the two ends of the support leg base (7).
2. The leg structure for erecting a bridge in a tunnel of a bridge girder erection machine according to claim 1, wherein: the bridge erecting machine base (1) and the supporting leg main body (3) are fixedly connected through a cylindrical hydraulic pump (2), and the height of the bridge erecting machine base (1) can be adjusted through the cylindrical hydraulic pump (2).
3. The leg structure for erecting a bridge in a tunnel of a bridge girder erection machine according to claim 1, wherein: the steel cable hub (8) can be connected with the steel cable drum (9) through a steel cable, a steel cable fixing hole (12) is formed in the bottom of the steel cable drum (9), the length of the steel cable can be adjusted through the steel cable drum (9), and the steel cable can be inserted into the steel cable fixing hole (12) to be fixed.
4. The leg structure for erecting a bridge in a tunnel of a bridge girder erection machine according to claim 1, wherein: the supporting leg body (3) and the movable leg (4) are provided with bolt fixing holes (11) on the left and right sides, the bolt fixing holes (11) are formed in the bottom of the supporting leg body (3), and the surfaces of the movable leg (4) are linearly arranged through the bolt fixing holes (11).
5. The leg structure for erecting a bridge in a tunnel of a bridge girder erection machine according to claim 4, wherein: the movable leg (4) is partially embedded in the supporting leg main body (3), the bottom of the hydraulic cylinder (10) is welded with the supporting leg base (5), the length of the exposed part of the movable leg (4) can be adjusted by the hydraulic cylinder (10), and the movable leg (4) can be fixed in length by the bolt fixing hole (11).
6. The leg structure for erecting a bridge in a tunnel of a bridge girder erection machine according to claim 1, wherein: the bottom surface of the supporting leg base (5) is provided with a base fixing groove (14), the connecting lug (6) can be embedded into the base fixing groove (14), and four corners of the base fixing groove (14) are provided with four connecting holes (15).
7. The leg structure for erecting a bridge in a tunnel of a bridge girder erection machine according to claim 6, wherein: four slotted holes (13) are formed in the top surface of the connecting bump (6), and the slotted holes (13) correspond to the connecting holes (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110573251.9A CN113216001A (en) | 2021-05-25 | 2021-05-25 | Supporting leg structure for erecting bridge in bridge girder erection machine tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110573251.9A CN113216001A (en) | 2021-05-25 | 2021-05-25 | Supporting leg structure for erecting bridge in bridge girder erection machine tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113216001A true CN113216001A (en) | 2021-08-06 |
Family
ID=77099525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110573251.9A Pending CN113216001A (en) | 2021-05-25 | 2021-05-25 | Supporting leg structure for erecting bridge in bridge girder erection machine tunnel |
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| CN (1) | CN113216001A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19501600A1 (en) * | 1994-03-30 | 1995-10-05 | Gutehoffnungshuette Man | Support esp. for tracked vehicles |
| CN101942811A (en) * | 2010-10-22 | 2011-01-12 | 中铁六局集团有限公司 | Auxiliary travel device for bridge girder erection machine |
| CN201933413U (en) * | 2010-12-30 | 2011-08-17 | 徐州徐工铁路装备有限公司 | Highly efficient variable-span transporting type lower guide girder machine |
| CN204281131U (en) * | 2014-12-10 | 2015-04-22 | 中国建筑第七工程局有限公司 | A kind of crane leg |
| CN204778377U (en) * | 2015-07-10 | 2015-11-18 | 德马科起重机械有限公司 | Gantry crane landing leg with adjustable height |
| CN204849595U (en) * | 2015-06-25 | 2015-12-09 | 中铁六局集团有限公司 | Frame bridge crane landing leg suitable for set up precast beam under heavy grade circumstances |
| CN204875552U (en) * | 2015-08-28 | 2015-12-16 | 河南省中原奥起实业有限公司 | Frame bridge crane vertical lift structure |
| CN206902562U (en) * | 2017-06-19 | 2018-01-19 | 河南省路港起重机有限公司 | A kind of rear supporting leg of bridge erecting machine structure |
| CN206955494U (en) * | 2017-06-18 | 2018-02-02 | 中铁十八局集团第五工程有限公司 | A kind of hoisting frame for being used for nose girder supporting leg under 900 tons of nose-girder bridging machines |
| CN211813303U (en) * | 2019-12-11 | 2020-10-30 | 苏州市格瑞特液压升降机械有限公司 | Scissor-fork type lifting device and scissor-fork type aerial work platform |
| CN212223620U (en) * | 2020-03-27 | 2020-12-25 | 魏星 | Supporting leg structure for erecting bridge in bridge girder erection machine tunnel |
| CN212583348U (en) * | 2020-04-03 | 2021-02-23 | 陈卿腊 | Adjustable building supporting plate |
-
2021
- 2021-05-25 CN CN202110573251.9A patent/CN113216001A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19501600A1 (en) * | 1994-03-30 | 1995-10-05 | Gutehoffnungshuette Man | Support esp. for tracked vehicles |
| CN101942811A (en) * | 2010-10-22 | 2011-01-12 | 中铁六局集团有限公司 | Auxiliary travel device for bridge girder erection machine |
| CN201933413U (en) * | 2010-12-30 | 2011-08-17 | 徐州徐工铁路装备有限公司 | Highly efficient variable-span transporting type lower guide girder machine |
| CN204281131U (en) * | 2014-12-10 | 2015-04-22 | 中国建筑第七工程局有限公司 | A kind of crane leg |
| CN204849595U (en) * | 2015-06-25 | 2015-12-09 | 中铁六局集团有限公司 | Frame bridge crane landing leg suitable for set up precast beam under heavy grade circumstances |
| CN204778377U (en) * | 2015-07-10 | 2015-11-18 | 德马科起重机械有限公司 | Gantry crane landing leg with adjustable height |
| CN204875552U (en) * | 2015-08-28 | 2015-12-16 | 河南省中原奥起实业有限公司 | Frame bridge crane vertical lift structure |
| CN206955494U (en) * | 2017-06-18 | 2018-02-02 | 中铁十八局集团第五工程有限公司 | A kind of hoisting frame for being used for nose girder supporting leg under 900 tons of nose-girder bridging machines |
| CN206902562U (en) * | 2017-06-19 | 2018-01-19 | 河南省路港起重机有限公司 | A kind of rear supporting leg of bridge erecting machine structure |
| CN211813303U (en) * | 2019-12-11 | 2020-10-30 | 苏州市格瑞特液压升降机械有限公司 | Scissor-fork type lifting device and scissor-fork type aerial work platform |
| CN212223620U (en) * | 2020-03-27 | 2020-12-25 | 魏星 | Supporting leg structure for erecting bridge in bridge girder erection machine tunnel |
| CN212583348U (en) * | 2020-04-03 | 2021-02-23 | 陈卿腊 | Adjustable building supporting plate |
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Application publication date: 20210806 |