CN212200078U - Bridge girder erection machine steel box girder unloading device - Google Patents
Bridge girder erection machine steel box girder unloading device Download PDFInfo
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- CN212200078U CN212200078U CN202020252811.1U CN202020252811U CN212200078U CN 212200078 U CN212200078 U CN 212200078U CN 202020252811 U CN202020252811 U CN 202020252811U CN 212200078 U CN212200078 U CN 212200078U
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Abstract
The utility model belongs to the technical field of the steel bridge construction, a bridge crane steel case roof beam uninstallation device is related to, the uninstallation device includes: the bridge-pile device, the supporting device, the steel beam, the hoisting mechanism assembly, the unloading device, the balance beam and the segment steel box beam; the bridge rectifier is characterized in that a supporting device is fixedly arranged on the bridge rectifier, a steel beam is arranged on the supporting device, a hoisting mechanism assembly and an unloading device are respectively arranged on the steel beam, the unloading device is connected with a balance beam, and a section steel box girder is arranged on the inner side of the balance beam; uninstallation device beneficial effect lies in, can guarantee that the uninstallation of steel case roof beam is accurate, steady, and the uninstallation action is harmonious unanimous, can ensure construction quality and constructor safety simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the steel bridge construction, particularly, relate to a bridge crane steel case roof beam uninstallation device.
Background
When a common bridge girder erection machine is used for bridge erection, a single-hole bridge girder is used as an integral hoisting unit for construction, and the common bridge girder erection machine is called a walking type bridge girder erection machine. The manufactured single-hole bridge is transported to the rear of a bridge girder erection machine, two ends of the bridge are respectively hoisted by 2 hoisting crown blocks arranged on a main frame of the bridge girder erection machine, the bridge girder is moved to a pier erected in front, the alignment position is adjusted when the bridge girder arrives above the installation position, after the hoisting crown blocks are operated to fall down to enable the whole bridge girder body to be in place, the bridge girder erection machine moves one span again to install the other bridge girder, and the bridge girder erection machine is suitable for installation and construction of railway bridges with narrow width and uniform span.
For example, chinese utility model patent application No.: 201420755861.6, discloses a segment assembling bridge girder erection machine, which is mainly characterized in that the bridge girder erection machine consists of an end supporting leg, a hoisting mechanism assembly, a middle supporting leg, a hanging assembly and a main girder assembly; the middle supporting leg consists of a turntable device, two middle supporting leg stand columns, a middle supporting leg upper cross beam, a middle supporting leg lower cross beam, a middle supporting leg longitudinal moving device, a middle supporting leg transverse moving device, a middle supporting leg jacking device and a pull rod; the hanging assembly comprises a small hanging beam, a hanging transverse moving device, a hanging longitudinal moving device, a handrail and the like; a mechanical lock is arranged on a jacking oil cylinder in the jacking device; the lifting appliance in the lifting mechanism assembly can rotate 360 degrees. The utility model has the advantages of compact structure, walking are convenient, low in manufacturing cost, can satisfy the construction requirement that urban road, ordinary highway and mountain area railway curve bridge erect simultaneously, be applicable to the erection of small-span, little radius of curvature bridge.
The problems that during construction of a large-span bridge section, accuracy and stability of unloading of the steel box girder and action of unloading the steel box girder are inconsistent are not solved in the prior art.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model provides a bridge crane steel case roof beam uninstallation device.
The bridge girder erection machine steel box girder unloading device comprises a bridge pile device, a supporting device, a steel girder, a hoisting mechanism assembly, an unloading device, a balance beam and a segment steel box girder;
the bridge pile device consists of a base, bridge columns and bridge piers which are built by concrete, the concrete base is symmetrically embedded underground, the bridge columns are fixedly arranged on the concrete base, and the bridge piers are fixedly arranged on the bridge columns;
the supporting device consists of supporting legs and supporting rods, the supporting rods are arranged at the tops of the supporting legs, the supporting legs stretch across and are fixed on the bridge piers, and the upper surfaces of the supporting legs are provided with slideways which are arranged at the bottoms of the supporting rods;
the steel beam consists of two cross beams and two longitudinal beams, and the cross beams and the longitudinal beams are connected to form a rectangular framework;
the unloading device consists of an upper sleeve, a lower sleeve, a locking device and a cock type stop valve, wherein the upper sleeve is sleeved in the lower sleeve, the locking device is fixed at the middle upper part of the outer surface of the upper sleeve, and the cock type stop valve is arranged at the middle lower part of the outer surface of the lower sleeve; the bridge rectifier is characterized in that a supporting device is fixedly arranged on the bridge rectifier, a steel beam is arranged on the supporting device, a hoisting mechanism assembly and an unloading device are respectively arranged on the steel beam, the unloading device is connected with a balance beam, and a section steel box girder is arranged on the inner side of the balance beam.
Furthermore, lifting lugs and through holes are arranged at two ends of the balance beam.
Furthermore, a plurality of unloading devices are symmetrically arranged on the cross beam.
Further, the unloading device is connected with the balance beam through a suspender.
Further, the hanger rods are butted through the hanger rod connectors.
Further, the telescopic rod is arranged inside the longitudinal beam.
Furthermore, the two support rods are vertically arranged in the slide ways at the tops of the support legs, the upper parts of the support rods are connected with the cross beam, and the lower parts of the support rods are matched with the slide ways.
Furthermore, the inner side of each supporting rod is horizontally provided with a telescopic rod, and two ends of each telescopic rod are correspondingly connected with two supporting rods.
Furthermore, the supporting rod is a telescopic jack.
Furthermore, the bridge girder erection machine is a segment assembling bridge girder erection machine.
Furthermore, the supporting legs are of a door frame-shaped steel structure.
Compared with the prior art, bridge girder erection machine steel case roof beam uninstallation device beneficial effect as follows:
1. bridge girder erection machine steel case roof beam uninstallation device, convenient hoist and mount, hang, the process conversion between the uninstallation, compact structure, spatial layout are reasonable, personnel convenient operation.
2. Bridge crane steel case roof beam uninstallation device, jib adopt the jib connector to connect, avoid segment section steel case roof beam at the hoist and mount in-process, the jib penetrates the degree of difficulty of bridge crane longeron mounting hole, reduces high altitude construction time and personnel safety problem.
3. Bridge girder erection machine steel box roof beam uninstallation device holds in the palm through the compensating beam and lifts festival section steel box roof beam and install, suspends the festival section steel box roof beam in the installation in midair and is in free state, through strainer, jack, pressure sign indicating number when being favorable to left and right, preceding, back installation to adjust and alignment.
4. Bridge girder erection machine steel case roof beam uninstallation device guarantees that the steel case roof beam uninstallation is accurate, stationarity and uninstallation steel case roof beam action unanimous, and construction quality and personnel safety all obtain reliable assurance simultaneously.
Drawings
Fig. 1 is the utility model discloses a bridge girder erection machine steel box girder uninstallation device schematic structure.
Reference numbers in the figures: bridge rectifier-11, base-111, bridge column-112 and bridge pier-113; support device-12, support leg-121, support bar-122; steel beam-13, beam-131; a lifting mechanism assembly-14; unloading device-15, boom-151, boom connector-152; a balance beam-16; segment steel box girder-20.
Detailed Description
As shown in fig. 1, the unloading device for steel box girders of bridge girder erection machine comprises: the bridge rectifier comprises a bridge rectifier device 11, a supporting device 12, a steel beam 13, a hoisting mechanism assembly 14, an unloading device 15, a balance beam 16 and a section steel box girder 20; the bridge rectifier 11 is composed of a base 111, bridge columns 112 and bridge piers 113 which are built by concrete, the concrete base 111 is symmetrically embedded underground, the bridge columns 112 are fixedly arranged on the concrete base 111, and the bridge columns 113 are fixedly arranged on the bridge columns 112; the supporting device 12 is composed of a supporting leg 121 and a supporting rod 122, the supporting rod 122 is arranged at the top of the supporting leg 121, the supporting leg 121 stretches across and is fixed on the pier 113, a slide way is arranged on the upper surface of the supporting leg 121, and the bottom of the supporting rod 122 is arranged on the slide way; the steel beam 13 is composed of two beams 131 and two longitudinal beams (not shown), and the beams 131 and the longitudinal beams are connected to form a rectangular frame; the unloading device 15 consists of an upper sleeve, a lower sleeve, a locking device and a cock type stop valve (not shown in the figures), wherein the upper sleeve is sleeved in the lower sleeve, the locking device is fixed at the middle upper part of the outer surface of the upper sleeve, and the cock type stop valve is arranged at the middle lower part of the outer surface of the lower sleeve; the bridge rectifier device 11 is fixedly provided with a supporting device 12, the supporting device 12 is provided with a steel beam 13, the steel beam 13 is respectively provided with a hoisting mechanism assembly 14 and an unloading device 15, the unloading device 15 is connected with a balance beam 16, and the inner side of the balance beam 16 is provided with a segment steel box girder 20.
Further, the balance beam 16 is provided with a lifting lug and a through hole (not shown) at both ends.
Furthermore, a plurality of unloading devices 15 are symmetrically arranged on the cross beam 131.
Further, the unloading device 15 is connected to the balance beam 16 via a boom 151.
Further, the boom 151 is docked by a boom connector 152.
Further, telescopic rods (not shown) are arranged inside the longitudinal beams.
Furthermore, the two support rods 122 are vertically installed in the slide ways at the tops of the support legs 121, the upper portions of the support rods 122 are connected with the cross beam 131, the lower portions of the support rods 122 are matched with the slide ways, and the upper portions of the support rods 122 are connected with the cross beam 131 through a driving mechanism (not shown), so that the rectangular frame is moved and fixed.
Furthermore, the inner side of the supporting rod 122 is horizontally provided with a telescopic rod, and two ends of the telescopic rod are correspondingly connected with the two supporting rods 122.
Further, the support rod 122 is a telescopic jack.
Furthermore, the bridge girder erection machine is a segment assembling bridge girder erection machine.
Further, the legs 121 are of a doorframe-shaped steel structure.
Furthermore, the upper sleeve consists of a circular outer steel pipe, a circular inner steel pipe and a circular steel plate (not shown in the figure), the circular outer steel pipe is sleeved with the circular inner steel pipe, the circular steel plate is fixed at the top of a cavity between the circular outer steel pipe and the circular inner steel pipe, a through hole is formed in the middle of the circular steel plate, and the diameter of the through hole is smaller than the inner diameter of the circular inner steel pipe.
Furthermore, the locking device is composed of an external thread and a nut (not shown in the figure), the external thread is fixedly arranged on the outer surface of the circular outer sleeve, and the circular nut is arranged on the external thread in a matching mode.
Further, the lower sleeve consists of a circular outer steel pipe, a circular inner steel pipe and a circular steel plate, the circular outer steel pipe is sleeved with the circular inner steel pipe, the circular steel plate is fixed at the bottom of a cavity between the circular outer steel pipe and the circular inner steel pipe, a through hole (not shown) is formed in the middle of the circular steel plate, and the diameter of the through hole is the same as the inner diameter of the circular inner steel pipe.
Further, the cock formula stop valve runs through circular outer steel pipe and cavity intercommunication, and the symmetry of cock formula stop valve sets up 2 at least.
Furthermore, the cavity of the upper sleeve is vertically sleeved in the cavity of the opening of the lower sleeve.
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, and any modifications, equivalents, improvements, etc. made within the structure and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a bridge girder erection machine steel box girder uninstallation device which characterized in that includes: the bridge-pile device, the supporting device, the steel beam, the hoisting mechanism assembly, the unloading device, the balance beam and the segment steel box beam;
the bridge pile device consists of a base, bridge columns and bridge piers which are built by concrete, the concrete base is symmetrically embedded underground, the bridge columns are fixedly arranged on the concrete base, and the bridge piers are fixedly arranged on the bridge columns;
the supporting device consists of supporting legs and supporting rods, the supporting rods are arranged at the tops of the supporting legs, the supporting legs stretch across and are fixed on the bridge piers, and the upper surfaces of the supporting legs are provided with slideways which are arranged at the bottoms of the supporting rods;
the steel beam consists of two cross beams and two longitudinal beams, and the cross beams and the longitudinal beams are connected to form a rectangular framework;
the unloading device consists of an upper sleeve, a lower sleeve, a locking device and a cock type stop valve, wherein the upper sleeve is sleeved in the lower sleeve, the locking device is fixed at the middle upper part of the outer surface of the upper sleeve, and the cock type stop valve is arranged at the middle lower part of the outer surface of the lower sleeve;
the bridge rectifier is characterized in that a supporting device is fixedly arranged on the bridge rectifier device, a steel beam is arranged on the supporting device, a hoisting mechanism assembly and an unloading device are respectively arranged on the steel beam, the unloading device is connected with a balance beam, and a segment steel box girder is arranged in the balance beam in an inner measuring mode.
2. The bridge girder erection machine steel box girder unloading device according to claim 1, wherein both ends of the balance beam are provided with lifting lugs and through holes.
3. The bridge girder erection machine steel box girder unloading device according to claim 1, wherein a plurality of unloading devices are symmetrically arranged on the cross beam.
4. The bridge girder erection machine steel box girder unloading device according to claim 1, wherein the unloading device is connected to the balance beam by a boom.
5. A bridge girder unloading device according to claim 4, wherein the hanger rods are butted by a hanger rod connector.
6. The bridge girder erection machine steel box girder unloading device according to claim 1, wherein a telescopic rod is provided inside the longitudinal girder.
7. The bridge girder erection machine steel box girder unloading device according to claim 1, wherein the two support rods are vertically installed in the slideways at the tops of the support legs, the upper parts of the support rods are connected with the cross beams, and the lower parts of the support rods are matched with the slideways.
8. The bridge girder erection machine steel box girder unloading device according to claim 1, wherein an expansion link is horizontally arranged at the inner side of the support rod, and two support rods are correspondingly connected to two ends of the expansion link.
9. A bridge girder unloading device according to claim 1, wherein the legs are of a door frame-shaped steel structure.
10. The bridge girder erection machine steel box girder unloading device as claimed in claim 1, wherein the support rods are telescopic jacks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020252811.1U CN212200078U (en) | 2020-03-04 | 2020-03-04 | Bridge girder erection machine steel box girder unloading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020252811.1U CN212200078U (en) | 2020-03-04 | 2020-03-04 | Bridge girder erection machine steel box girder unloading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212200078U true CN212200078U (en) | 2020-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020252811.1U Active CN212200078U (en) | 2020-03-04 | 2020-03-04 | Bridge girder erection machine steel box girder unloading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212200078U (en) |
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2020
- 2020-03-04 CN CN202020252811.1U patent/CN212200078U/en active Active
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