CN212835010U - Cast-in-place box girder bailey beam truss is transferred and is demolishd device - Google Patents
Cast-in-place box girder bailey beam truss is transferred and is demolishd device Download PDFInfo
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- CN212835010U CN212835010U CN202021395345.9U CN202021395345U CN212835010U CN 212835010 U CN212835010 U CN 212835010U CN 202021395345 U CN202021395345 U CN 202021395345U CN 212835010 U CN212835010 U CN 212835010U
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Abstract
The application discloses cast-in-place box girder beiLei beam truss transfers and demolishs device. The cast-in-place box girder Bailey girder truss lowering and dismantling device comprises a plurality of sets of hanging devices, wherein the hanging devices are configured to be uniformly distributed on the cast-in-place box girder at intervals. The hanging device comprises a hanging rod, a stress steel plate cushion block, a sleeper beam, a hanging structure and a through hydraulic jack. The sets of hangers are configured to be operated by respective through-center hydraulic jacks to simultaneously lower the bailey beam truss. The technical scheme that this application provided can realize that cast-in-place box girder beiLei roof beam truss is transferred safely effectively.
Description
Technical Field
The application relates to the technical field of bridge construction, particularly, relate to a cast-in-place box girder bailey beam truss transfers and demolishs device.
Background
In the construction of the cast-in-place box girder, the safe removal of the cast-in-place bracket is a key process.
The cast-in-place box girder integral frame-falling construction technology is applied to bridge construction at home and abroad frequently, a formwork support system of the existing cast-in-place box girder is mostly directly dismantled by a crane and is limited by surrounding terrain environment and field operation space, the construction difficulty of the construction method is higher, safety hoisting regulations are seriously violated, great potential safety hazards exist, the problems of high installation and dismantling cost and low work efficiency also exist, and an economic and reliable support dismantling method can not be used for reference in the construction of the cast-in-place box girder with a certain height or the cast-in-place box girder limited by space.
SUMMERY OF THE UTILITY MODEL
The application provides a cast-in-place box girder beiLei beam truss transfers demolishs device, and it can realize that cast-in-place box girder beiLei beam truss transfers safely effectively.
The application provides a cast-in-place box girder beiLei beam truss transfers and demolishs device, and cast-in-place box girder beiLei beam truss transfers and demolishs device and includes many sets of cable suspension device, and many sets of cable suspension device are configured as the interval and distribute evenly on cast-in-place box girder.
The hanging device comprises a hanging rod, a stress steel plate cushion block, a sleeper beam, a hanging structure and a through hydraulic jack. The stressed steel plate cushion block is laid on the top surface of the beam body of the cast-in-place box girder and corresponds to the embedded hole in the top surface of the beam body. The sleeper beam is fixed above the bearing steel plate cushion block, and the through hydraulic jack is fixed on the sleeper beam. The suspender passes through the pre-buried hole of atress steel sheet cushion and roof beam body top surface, and suspended structure is connected to the one end of jib to make the jib hang in the bottom spandrel girder of bailey roof beam truss, the other end and the cooperation of punching hydraulic jack of jib. The sets of hangers are configured to be operated by respective through-center hydraulic jacks to simultaneously lower the bailey beam truss.
In the above scheme, a bailey beam truss capable of being safely and effectively lowered is provided. The cast-in-place box girder Bailey girder truss lowering and dismantling device comprises a plurality of sets of hanging devices, and the hanging devices jointly act on one Bailey girder truss. The hanging device comprises a hanging rod, a stress steel plate cushion block, a sleeper beam, a hanging structure and a through hydraulic jack. And laying a stressed steel plate cushion block on the top surface of the beam body of the cast-in-place box beam, wherein the stressed steel plate cushion block corresponds to the pre-buried hole of the beam body. The sleeper beam is fixed above the stressed steel plate cushion block, and the stability of the through hydraulic jack is ensured. The suspended structure is arranged on the bottom bearing beam of the Bailey beam truss. One end of the suspender is matched with the through hydraulic jack, and the other end of the suspender penetrates through the stress steel plate cushion block and the pre-buried hole on the top surface of the beam body to be connected with the hanging structure, so that the suspender can hang the Bailey beam truss. Through the work of punching hydraulic jack, can be below jib gradually, can be below bailey girder truss gradually through the length of extension jib, simultaneously, owing to increase the lifting surface who hangs through the atress steel sheet backing block, so avoided the roof beam body to concentrate the atress to avoided because hanging concentrated atress big, the emergence of the incident that leads to. Through the simultaneous working of the through hydraulic jacks in the multiple sets of hoisting devices, the synchronization below the Bailey beam truss can be ensured, the horizontal height below the Bailey beam truss is ensured, and the efficiency below the Bailey beam truss is ensured.
Optionally, in one possible implementation:
the hanging device further comprises a clamping pin steel plate and an upper fixing bolt, the clamping pin steel plate is arranged on the upper surface of the stress steel plate cushion block, the clamping pin steel plate is clamped on the hanging rod, and the upper fixing bolt is located on the upper surface of the clamping pin steel plate and is in threaded connection with the hanging rod.
Optionally, in one possible implementation:
the stressed steel plate cushion block is a steel base plate;
the bayonet lock steel plate is positioned in the center of the steel backing plate;
the bayonet lock steel sheet is formed with the axis in bar card hole and the coincidence of the central line of bayonet lock steel sheet, and the bar card hole inwards extends by the edge of bayonet lock steel sheet for the joint jib, the edge of bayonet lock steel sheet is formed with the pull ring.
Optionally, in one possible implementation:
the hanging structure is a shoulder pole beam structure;
the shoulder pole beam structure comprises an upper shoulder pole beam and a lower shoulder pole beam;
the upper carrying pole beam and the lower carrying pole beam are respectively positioned on the upper side and the lower side of the bottom bearing beam of the Bailey beam truss, and the upper carrying pole beam and the lower carrying pole beam are fixedly connected through a screw rod, so that the bottom bearing beam of the Bailey beam truss is fixed between the upper carrying pole beam and the lower carrying pole beam;
the suspender is fixedly connected with the upper shoulder pole beam.
Optionally, in one possible implementation:
i-steel is arranged between the lower shoulder pole beam and the Bailey beam truss.
Optionally, in one possible implementation:
the number of the sleeper beams is two, and the two sleeper beams are I-shaped steel sleeper beams;
the two sleeper beams are fixed in a vertically stacked mode, and the through hydraulic jack is fixed to the upper sleeper beam.
Optionally, in one possible implementation:
the hanging device also comprises a cushion block steel plate and an anchor bolt;
the cushion block steel plate is arranged at the top of the straight-through hydraulic jack, and the anchoring bolt is arranged on the surface of the cushion block steel plate and anchored with the suspender.
Optionally, in one possible implementation:
the working stroke of the feed-through hydraulic jack is 20 cm.
Optionally, in one possible implementation: the cast-in-place box girder Bailey girder truss lowering and dismantling device comprises four sets of hanging devices;
four pre-buried holes are formed in the top surface of the beam body of the cast-in-place box beam, and the four pre-buried holes are uniformly arranged on the top surface of the beam body at intervals;
the hanging device is arranged corresponding to the pre-buried hole.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a top view of a cast-in-place box girder according to the present embodiment;
fig. 2 is a main diagram of a cast-in-place box girder in the present embodiment;
FIG. 3 is an enlarged view taken at III in FIG. 2;
FIG. 4 is a schematic structural view of a bayonet steel plate;
fig. 5 is an enlarged view of v in fig. 2.
Icon: 10-a hanging device; 11-a boom; 12-stressed steel plate cushion blocks; 13-corbel; 14-hanging structure; 15-a feed-through hydraulic jack; 16-bayonet steel plate; 17-fixing the bolt; 18-cushion block steel plate; 19-anchor bolts; 140-upper shoulder pole beam; 141-lower shoulder pole beam; 160-strip-shaped clamping holes; 161-pull ring;
20-a beret truss; 21-pre-buried holes; 22-beam body.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The technical solution in the present application will be described below with reference to the accompanying drawings.
This embodiment provides a cast-in-place box girder beiLei beam truss transfers demolishs device, and it can realize that cast-in-place box girder beiLei beam truss 20 transfers safely effectively.
The cast-in-place box girder Bailey girder truss lowering and dismantling device comprises four sets of hanging devices 10, and the hanging devices 10 jointly act on one Bailey girder truss 20.
Referring to fig. 1 and fig. 2, fig. 1 is a top view of a cast-in-place box girder in the present embodiment, and fig. 2 is a front view of the cast-in-place box girder in the present embodiment. Illustratively, it can be seen from fig. 1 that sixteen buried holes 21 are formed on the surface of the beam body 22, and each four buried holes 21 correspond to one beret truss 20. Wherein four pre-buried holes 21 corresponding to one beret girder truss 20 are uniformly arranged.
One pre-buried hole 21 corresponds to one set of hanging devices 10, so that one Bailey beam truss 20 can be safely and effectively arranged underground through four hanging devices 10.
Referring to fig. 3, fig. 3 is an enlarged view of the location iii in fig. 2.
The hanging device 10 comprises a hanging rod 11, a stress steel plate cushion block 12, a sleeper beam 13, a hanging structure 14 and a through hydraulic jack 15.
The stress steel plate cushion block 12 is laid on the top surface of the beam body 22 of the cast-in-place box beam and corresponds to the embedded hole 21 on the top surface of the beam body 22.
The sleeper beam 13 is fixed above the stressed steel plate cushion block 12, and the through hydraulic jack 15 is fixed on the sleeper beam 13. Wherein, the number of the sleeper beams 13 is two, and the two sleeper beams 13 are I-shaped steel sleeper beams 13. The two corbels 13 are fixed in an up-down stacking mode, and the through hydraulic jack 15 is fixed to the corbel 13 located above.
The hanging structure 14 is arranged on the bottom bearing beam of the Bailey beam truss 20.
The hanger rod 11 penetrates through the stress steel plate cushion block 12 and the embedded hole 21 on the top surface of the beam body 22, one end of the hanger rod 11 is connected with the hanging structure 14, so that the hanger rod 11 is hung on the bottom bearing beam of the Bailey beam truss 20, and the other end of the hanger rod 11 is matched with the through hydraulic jack 15.
The four sets of hangers 10 are configured to be operated by respective through hydraulic jacks 15 to synchronously lower the bailey beam truss 20.
The hanging device 10 further comprises a bayonet steel plate 16 and an upper fixing bolt 17, the bayonet steel plate 16 is arranged on the upper surface of the stressed steel plate cushion block 12, the bayonet steel plate 16 is clamped on the hanging rod 11, and the upper fixing bolt 17 is arranged on the upper surface of the bayonet steel plate 16 and is in threaded connection with the hanging rod 11.
The stressed steel plate cushion block 12 is used for increasing the stressed area of the hanger and avoiding the concentrated stress of the hanging points.
The stressed steel plate cushion block 12 is a steel cushion plate, and the bayonet lock steel plate 16 is positioned in the center of the steel cushion plate.
The stress steel plate cushion block 12 is fixed through the bayonet lock steel plate 16 and the upper fixing bolt 17, and when the stress steel plate cushion block 12 needs to be disassembled, the fixing bolt 17 is unscrewed, the bayonet lock steel plate 16 is pulled out, and then the stress steel plate cushion block 12 can be conveniently taken out.
Referring to fig. 4, fig. 4 is a schematic structural view of the bayonet steel plate 16.
The bayonet steel plate 16 is formed with a strip-shaped clamping hole 160, the axis of the strip-shaped clamping hole coincides with the center line of the bayonet steel plate 16, the strip-shaped clamping hole 160 extends inwards from the edge of the bayonet steel plate 16 and is used for clamping the suspension rod 11, and a pull ring 161 is formed at the edge of the bayonet steel plate 16.
Referring to fig. 5, fig. 5 is an enlarged view of v in fig. 2.
The hanger structure 14 is a pole beam structure.
The carrying pole beam structure includes an upper carrying pole beam 140 and a lower carrying pole beam 141.
The upper shoulder pole beam 140 and the lower shoulder pole beam 141 are respectively located at the upper and lower sides of the bottom bearer beam of the bailey beam truss 20, and the upper shoulder pole beam 140 and the lower shoulder pole beam 141 are fixedly connected through screws, so that the bottom bearer beam of the bailey beam truss 20 is fixed between the upper shoulder pole beam 140 and the lower shoulder pole beam 141. The boom 11 is fixedly connected to the upper shoulder pole beam 140.
Wherein, I-steel is arranged between the lower shoulder pole beam and the Bailey beam truss 20.
Referring back to fig. 3, the hanger 10 further includes a cushion steel plate 18 and an anchor bolt 19;
the cushion steel plate 18 is provided on the top of the through hydraulic jack 15, and the anchor bolt 19 is provided on the surface of the cushion steel plate 18 and anchored to the boom 11.
The working stroke of the feed-through hydraulic jack 15 is 20 cm.
Wherein, only a set of cable suspension devices 10 is described below, the cast-in-place box girder bailey girder truss is lowered and demolishd the device (a set of cable suspension devices 10) and is installed in the cast-in-place box girder:
laying a stressed steel plate cushion block 12 on the beam body 22;
inserting a bayonet steel plate 16;
penetrating the boom 11 (penetrating the boom 11 through the beam body 22 to the bottom girder of the beret girder 20);
locking the upper fixing bolt 17;
installing a hanging structure 14, namely installing a shoulder pole beam structure;
completing the locking of the hanger bar 11 with the hanger structure 14;
removing support pipe elements (not shown, and fig. 2 shows the structure of the cast-in-place box girder after the support pipe elements have been removed) fixed under the girder body 22;
breaking the steel pipe columns (not shown in the figure, and fig. 2 shows the structure of the cast-in-place box girder after the steel pipe columns are removed);
the Bailey beam truss 20 is lowered by adopting the through hydraulic jacks 15, wherein the four sets of hanging devices 10 are configured to work through the respective through hydraulic jacks 15 so as to synchronously lower the Bailey beam truss 20, and the through hydraulic jacks 15 automatically detect stroke data through a hydraulic system so as to ensure the lowering level of the Bailey beam truss 20 to the ground or a simple safe operation platform;
the beret truss 20 is removed.
In the above-described scheme, a bailey beam truss 20 capable of being safely and effectively lowered is provided. The cast-in-place box girder Bailey girder truss lowering and dismantling device comprises a plurality of sets of hanging devices 10, and the hanging devices 10 jointly act on one Bailey girder truss 20. The hanging device 10 comprises a hanging rod 11, a stress steel plate cushion block 12, a sleeper beam 13, a hanging structure 14 and a through hydraulic jack 15. And laying a stressed steel plate cushion block 12 on the top surface of a beam body 22 of the cast-in-place box beam, wherein the stressed steel plate cushion block 12 corresponds to the embedded hole 21 of the beam body 22. The sleeper beam 13 is fixed above the stressed steel plate cushion block 12, and the stability of the through hydraulic jack 15 is ensured. The hanging structure 14 is arranged on the bottom bearing beam of the Bailey beam truss 20. One end of the suspension rod 11 is matched with a through hydraulic jack 15, and the other end of the suspension rod 11 passes through the stressed steel plate cushion block 12 and a pre-buried hole 21 on the top surface of a beam body 22 to be connected with the hanging structure 14, so that the suspension rod 11 can hang the Bailey beam truss 20. Through the work of punching hydraulic jack 15, can be gradually the jib 11 below, can be gradually the bailey girder truss 20 below through the length of extension jib 11, simultaneously, owing to increase the lifting surface who hangs through atress steel sheet cushion 12, so avoided roof beam body 22 to concentrate the atress to avoided because hanging concentrated atress big, the emergence of the incident that leads to. Through the simultaneous operation of the plurality of sets of the through hydraulic jacks 15 in the hanging device 10, the synchronization below the Bailey beam truss 20 can be ensured, the horizontal height below the Bailey beam truss 20 is ensured, and the efficiency below the Bailey beam truss 20 is ensured.
The cast-in-place box girder Bailey girder truss lowering and dismantling device can lower the Bailey girder truss 20 in multiple times or integrally under the conditions of complex terrain, narrow field, multi-box wide-section girder body 22 and limited hoisting of mechanical equipment, and lower the Bailey girder truss 20 to the ground or a simple operation platform, so that the place suitable for hoisting and dismantling operation is dismantled. The safety risks of large centralized stress of the hanging points, asynchronous multi-jack operation, instability of the jack and the like are avoided, and meanwhile, the safe and stable descending and dismantling benefits of the Bailey beam truss 20 are improved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. A cast-in-situ box girder Bailey girder truss lowering and dismantling device which is characterized in that,
the cast-in-place box girder bailey girder truss lowering and dismantling device comprises a plurality of sets of hanging devices, wherein the hanging devices are configured to be uniformly distributed on the cast-in-place box girder at intervals;
the hanging device comprises a hanging rod, a stressed steel plate cushion block, a sleeper beam, a hanging structure and a through hydraulic jack;
the stressed steel plate cushion block is laid on the top surface of the beam body of the cast-in-place box beam and corresponds to the embedded hole on the top surface of the beam body;
the sleeper beam is fixed above the stressed steel plate cushion block, and the through hydraulic jack is fixed on the sleeper beam;
the hanging structure is arranged on a bearing beam at the bottom of the Bailey beam truss;
the hanger rod penetrates through the stressed steel plate cushion block and the embedded hole in the top surface of the beam body, one end of the hanger rod is connected with the hanging structure, so that the hanger rod is hung on a bearing beam at the bottom of the Bailey beam truss, and the other end of the hanger rod is matched with the through hydraulic jack;
the multiple sets of hangers are configured to be operated by the respective through-center hydraulic jacks to synchronously lower the Bailey beam truss.
2. The cast-in-place box girder Bailey girder truss lowering and dismantling device as claimed in claim 1,
the hanging device further comprises a clamping pin steel plate and an upper fixing bolt, the clamping pin steel plate is arranged on the upper surface of the stress steel plate cushion block, the clamping pin steel plate is clamped on the hanging rod, and the upper fixing bolt is located on the upper surface of the clamping pin steel plate and is in threaded connection with the hanging rod.
3. The cast-in-place box girder Bailey girder truss lowering and dismantling device as claimed in claim 2,
the stressed steel plate cushion block is a steel base plate;
the bayonet lock steel plate is positioned in the center of the steel base plate;
the bayonet lock steel sheet is formed with the bar and blocks the hole just the axis in bar card hole with the coincidence of the central line of bayonet lock steel sheet, the bar block the hole by the marginal inward extension of bayonet lock steel sheet is used for the joint the jib, the edge of bayonet lock steel sheet is formed with the pull ring.
4. The cast-in-place box girder Bailey girder truss lowering and dismantling device as claimed in claim 1,
the hanging structure is a shoulder pole beam structure;
the shoulder pole beam structure comprises an upper shoulder pole beam and a lower shoulder pole beam;
the upper carrying pole beam and the lower carrying pole beam are respectively positioned at the upper side and the lower side of the bottom bearing beam of the Bailey beam truss, and the upper carrying pole beam and the lower carrying pole beam are fixedly connected through a screw rod, so that the bottom bearing beam of the Bailey beam truss is fixed between the upper carrying pole beam and the lower carrying pole beam;
the suspender is fixedly connected with the upper shoulder pole beam.
5. The cast-in-place box girder Bailey girder truss lowering and dismantling device as claimed in claim 4,
i-steel is arranged between the lower shoulder pole beam and the Bailey beam truss.
6. The cast-in-place box girder Bailey girder truss lowering and dismantling device as claimed in claim 1,
the number of the sleeper beams is two, and the two sleeper beams are I-shaped steel sleeper beams;
the two sleeper beams are vertically stacked and fixed, and the through hydraulic jack is fixed on the upper sleeper beam.
7. The cast-in-place box girder Bailey girder truss lowering and dismantling device as claimed in claim 1,
the hanging device also comprises a cushion block steel plate and an anchor bolt;
the cushion block steel plate is arranged at the top of the through hydraulic jack, and the anchoring bolt is arranged on the surface of the cushion block steel plate and anchored with the suspender.
8. The cast-in-place box girder Bailey girder truss lowering and dismantling device as claimed in claim 1,
the working stroke of the straight-through hydraulic jack is 20 cm.
9. The cast-in-place box girder Bailey girder truss lowering and dismantling device as claimed in claim 1,
the cast-in-place box girder Bailey girder truss lowering and dismantling device comprises four sets of hanging devices;
four pre-buried holes are formed in the top surface of the beam body of the cast-in-place box beam, and the four pre-buried holes are uniformly arranged on the top surface of the beam body at intervals;
the hanging device is arranged corresponding to the pre-buried hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395345.9U CN212835010U (en) | 2020-07-15 | 2020-07-15 | Cast-in-place box girder bailey beam truss is transferred and is demolishd device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395345.9U CN212835010U (en) | 2020-07-15 | 2020-07-15 | Cast-in-place box girder bailey beam truss is transferred and is demolishd device |
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| Publication Number | Publication Date |
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| CN212835010U true CN212835010U (en) | 2021-03-30 |
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| CN202021395345.9U Active CN212835010U (en) | 2020-07-15 | 2020-07-15 | Cast-in-place box girder bailey beam truss is transferred and is demolishd device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113184744A (en) * | 2021-04-16 | 2021-07-30 | 中铁大桥局集团第六工程有限公司 | Auxiliary device suitable for center-penetrating jack and using method thereof |
-
2020
- 2020-07-15 CN CN202021395345.9U patent/CN212835010U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113184744A (en) * | 2021-04-16 | 2021-07-30 | 中铁大桥局集团第六工程有限公司 | Auxiliary device suitable for center-penetrating jack and using method thereof |
| CN113184744B (en) * | 2021-04-16 | 2024-05-14 | 中铁大桥局集团第六工程有限公司 | Auxiliary device suitable for center-penetrating jack and application method thereof |
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