CN210797307U - Bridge hanging basket cantilever construction device - Google Patents
Bridge hanging basket cantilever construction device Download PDFInfo
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- CN210797307U CN210797307U CN201920624490.0U CN201920624490U CN210797307U CN 210797307 U CN210797307 U CN 210797307U CN 201920624490 U CN201920624490 U CN 201920624490U CN 210797307 U CN210797307 U CN 210797307U
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- bridge
- hanging basket
- pushing
- fixed
- guide rail
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Abstract
The utility model discloses a bridge hanging basket cantilever construction device, which is used for moving a hanging basket template along the longitudinal direction of a bridge to pour the bridge, and comprises a pushing mechanism which is arranged on a beam block after the last pouring and is used for pushing the hanging basket template to move to the design position of the next beam block along the longitudinal direction of the bridge, wherein the pushing mechanism comprises a guide rail which is arranged on the beam block after the last pouring along the longitudinal direction of the bridge, a pushing base which is connected with the guide rail in a sliding way and is used for installing the hanging basket template, a screw rod which passes through the pushing base along the longitudinal direction of the bridge and is fixed on the guide rail, and a penetrating jack which is sleeved on the screw rod, the fixed end of the penetrating jack is fixed on the screw rod, the moving end of the penetrating jack leans against the pushing base, so as to push the pushing base and drive the cradle template to move to the design position of the next beam block along the longitudinal direction of the bridge.
Description
Technical Field
The utility model relates to a continuous rigid frame bridge construction technical field especially relates to a basket cantilever construction equipment is hung to bridge.
Background
The continuous steel constructs the bridge and adopts a string basket cantilever construction, adopts the string basket template to carry out segmentation processing along the longitudinal movement of bridge promptly, and after the completion was watered in the suspension of preceding roof beam piece, carry out the concrete beam piece that needs to separate before the suspension of next roof beam piece and hang the basket template, hang the basket template and need walk forward and carry out pouring of next roof beam piece to next roof beam piece position, when pushing away the walking to hanging the basket template, have following problem:
1. when the conventional manual jack is used for driving the hanging basket template, the hanging basket has larger weight and larger contact surface with concrete, so that the hanging basket is influenced by larger frictional resistance in the walking process and needs to consume larger manpower.
2. Because the two ends of the curved continuous rigid frame bridge are symmetrically poured, when the curvature radius of the bridge is smaller and the curve paths on the two sides are different, in order to maintain the central line of the cradle template to walk along the central line of the curved bridge, the two pushing jacks of the cradle template need different advancing speeds, and when the traditional cradle template needs manpower to pressurize and advance the jacks, the accuracy of the advancing path of the cradle template is difficult to ensure.
3. Because the guide rail is conventionally adopted as the track for pushing the hanging basket template when the continuous rigid frame bridge cantilever is poured, the hanging basket template has large mass, the advancing process is a dynamic change process, the gravity center of the hanging basket template is changed constantly, the hanging basket template is horizontally placed on the guide rail in the traditional hanging basket template, a fixed structure is not arranged between the hanging basket template and the guide rail, and great potential safety hazards exist in the advancing process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bridge hangs basket cantilever construction equipment to solve the technical problem that the route of marcing of basket template and there is the potential safety hazard is hung in the current basket cantilever work progress of hanging to hard control.
The utility model provides a basket cantilever construction equipment is hung to bridge for to hang basket template along the longitudinal movement of bridge in order to carry out pouring of bridge, including installing the thrustor who is used for promoting on the last beam piece of pouring after accomplishing to hang the basket template along the longitudinal movement of bridge to the design position department of next beam piece, thrustor includes vertically installing the guide rail on the last beam piece of pouring after accomplishing along the bridge, with guide rail sliding connection's the top of being used for installing and hang basket template push away the base, vertically pass the top of pushing away along the bridge and push away the base and be fixed in screw rod and the punch jack of locating on the screw rod of cover on the guide rail, the stiff end of punch jack is fixed in on the screw rod, the removal end top of punch jack is leaned on the top of pushing away the base, in order to promote the top of pushing away and push away the base and drive the design position department of hanging the longitudinal movement of basket template along.
Furthermore, a plurality of pushing mechanisms are arranged on the last beam block after pouring along the transverse direction of the bridge.
Further, the guide rail comprises a steel rail in sliding connection with the pushing base and fixed plates which are fixed at two ends of the steel rail and are used for being in threaded matching connection with the screw rods.
Furthermore, the fixed plate is provided with a mounting hole for penetrating a screw rod, and the screw rod penetrates through the mounting hole and is fixed on the fixed plate through a fastener.
Furthermore, a transverse groove is arranged on the fixed plate so as to insert and fix the steel rail in the transverse groove.
Furthermore, a plurality of steel rails are transversely arranged along the bridge, two ends of each steel rail are fixed on the fixed plate, and the steel rails are connected and supported through transverse steel beams transversely arranged along the bridge.
Further, a channel for the screw to pass through is arranged in the pushing base.
Furthermore, a polytetrafluoroethylene plate is arranged on the contact surface of the pushing base and the guide rail.
Furthermore, a plurality of screw rods longitudinally penetrate through the jacking base along the bridge and are fixed on the guide rail, and a plurality of penetrating jacks are correspondingly sleeved on the screw rods respectively.
Furthermore, the telescopic displacement of the moving ends of the plurality of the penetrating jacks is controlled by the same oil pipe.
The utility model discloses following beneficial effect has:
the utility model discloses a bridge string basket cantilever construction equipment, install the guide rail on the last beam piece after pouring along the longitudinal direction of bridge, place the top push base on the guide rail and be connected with the guide rail is sliding, through installing the string basket template on the top push base, pass the top push base and be fixed in on the guide rail with the screw rod along the longitudinal direction of bridge, thereby carry out spacing to top push base and the string basket template of installing on the top push base, avoided the top push base in the course of advancing because the central change of string basket template slips from the guide rail, improved the safety and stability of bridge string basket cantilever construction; the pushing base is used for pushing through a penetrating jack with a fixed end mounted on the screw rod, so that the cradle template can be ensured to move longitudinally along the bridge, and the accuracy of the moving route of the cradle template is improved; after the piercing jack pushes a small distance at each time, the moving end of the piercing jack is contracted to an initial position, the screw rod is stretched forwards, the piercing jack fixed on the screw rod is driven to move forwards until the moving end of the piercing jack abuts against the pushing base, the screw rod is fixed on the guide rail again, when the advancing route of the hanging basket template is a curve, the hanging basket template is pushed to advance to the next two designed positions for multiple times, the advancing route of the hanging basket template is easy to control, and the accuracy of the advancing route of the hanging basket template is improved. The utility model discloses a bridge string basket cantilever construction equipment, install the guide rail on the last beam piece after pouring along the longitudinal direction of bridge, place the top push base on the guide rail and be connected with the guide rail is sliding, through installing the string basket template on the top push base, pass the top push base and be fixed in on the guide rail with the screw rod along the longitudinal direction of bridge, thereby carry out spacing to top push base and the string basket template of installing on the top push base, avoided the top push base in the course of advancing because the central change of string basket template slips from the guide rail, improved the safety and stability of bridge string basket cantilever construction; the pushing base is used for pushing through a penetrating jack with a fixed end mounted on the screw rod, so that the cradle template can be ensured to move longitudinally along the bridge, and the accuracy of the moving route of the cradle template is improved; after the piercing jack pushes a small distance at each time, the moving end of the piercing jack is contracted to an initial position, the screw rod is stretched forwards, the piercing jack fixed on the screw rod is driven to move forwards until the moving end of the piercing jack abuts against the pushing base, the screw rod is fixed on the guide rail again, when the advancing route of the hanging basket template is a curve, the hanging basket template is pushed to advance to the next two designed positions for multiple times, the advancing route of the hanging basket template is easy to control, and the accuracy of the advancing route of the hanging basket template is improved.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Illustration of the drawings:
1. a guide rail; 11. a steel rail; 12. fixing a plate; 13. a transverse steel beam; 2. pushing the base; 3. a screw; 4. a center-penetrating jack.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
As shown in fig. 1, the bridge hanging basket cantilever construction device of this embodiment is used for moving a hanging basket template along the longitudinal direction of a bridge to perform bridge pouring, and includes a pushing mechanism installed on a last poured beam block and used for pushing the hanging basket template to move along the longitudinal direction of the bridge to a design position of a next beam block, the pushing mechanism includes a guide rail 1 installed on the last poured beam block along the longitudinal direction of the bridge, a pushing base 2 slidably connected with the guide rail 1 and used for installing the hanging basket template, a screw 3 fixed on the guide rail 1 and passing through the pushing base 2 along the longitudinal direction of the bridge, and a penetrating jack 4 sleeved on the screw 3, a fixed end of the penetrating jack 4 is fixed on the screw 3, a moving end of the penetrating jack 4 abuts against the pushing base 2, so as to push the pushing base 2 and drive the cradle template to move to the design position of the next beam block along the longitudinal direction of the bridge. The pushing base 2 is provided with a mounting hole for mounting a hanging basket template. The upper part of the hanging basket template is fixed on the pushing base 2 through a mounting bolt. The utility model discloses a bridge string basket cantilever construction equipment, install guide rail 1 on the last beam piece after pouring along the longitudinal direction of bridge, place top push base 2 on guide rail 1 with guide rail 1 sliding connection, through installing the string basket template on top push base 2, pass top push base 2 and be fixed in guide rail 1 with screw rod 3 along the longitudinal direction of bridge, thereby carry out spacing to top push base 2 and install the string basket template on top push base 2, avoided top push base 2 because the central change of string basket template slips from guide rail 1 in the advancing process, the safety and stability of bridge string basket cantilever construction has been improved; the pushing base 2 is pushed by a penetrating jack 4 with a fixed end mounted on the screw rod 3, so that the cradle template can longitudinally advance along the bridge, and the accuracy of the advancing route of the cradle template is improved; after the penetrating jack 4 pushes a small distance each time, the moving end of the penetrating jack 4 is contracted to the initial position, the screw rod 3 is extended forwards, the penetrating jack 4 fixed on the screw rod 3 is driven to move forwards until the moving end of the penetrating jack 4 abuts against the pushing base 2, the screw rod 3 is fixed on the guide rail 1 again, when the advancing route of the hanging basket template is a curve, the hanging basket template is pushed to advance to the next two designed positions for multiple times, the advancing route of the hanging basket template is easy to control, and the accuracy of the advancing route of the hanging basket template is improved.
And a plurality of pushing mechanisms are arranged on the last beam block after pouring along the transverse direction of the bridge. The cradle template is arranged on the pushing bases 2 of the multiple pushing mechanisms, so that the cradle template is more stable in advancing, and the construction safety of the cradle cantilever is improved. And in the construction process of the cradle cantilever of the curved continuous rigid frame bridge, when the curved paths on the two sides of the bridge are different, different pushing mechanisms are controlled to respectively push the cradle template to move according to the different curved paths.
The guide rail 1 comprises a steel rail 11 connected with the pushing base 2 in a sliding mode and fixed plates 12 fixed to two ends of the steel rail 11 and used for being in threaded matching connection with the screw rods 3. The fixed plate 12 is provided with a mounting hole for penetrating the screw 3, and the screw 3 penetrates through the mounting hole and is fixed on the fixed plate 12 through a fastener. In this embodiment, the screw rod 3 is fixed on the fixed plate 12 through the fastening bolt, and after the completion of the traveling of a small section of the hanging basket formwork, the fastening bolt is unscrewed, the screw rod 3 extends forwards and drives the penetrating jack 4 on the screw rod 3 to move forwards. The stationary plate 12 is provided with a transverse groove for fixing the rail 11 in the transverse groove. The plurality of steel rails 11 are transversely arranged along the bridge, two ends of the steel rails 11 are fixed on the fixed plate 12, and the plurality of steel rails 11 are connected and supported through the transverse steel beams 13 transversely arranged along the bridge. The pushing base 2 slides along the guide rail 1, and the load capacity of the guide rail 1 is improved through the plurality of steel rails 11 so as to drive the hanging basket template with large mass to advance. In the present embodiment, two rails 11 are connected and supported by a transverse steel beam 13. The steel rail 11 is an i-steel. Positioned as a box anchor plate 12 provided with two transverse slots. The rail 11 is welded and fixed in the transverse groove.
A channel for the screw rod 3 to pass through is arranged in the pushing base 2. The radial dimension of the channel is greater than the radial dimension of the screw 3, so that there is no contact between the ejection base 2 and the screw 3, thereby reducing the resistance to sliding of the ejection base 2 along the guide rail 1. A polytetrafluoroethylene plate is arranged on the contact surface of the pushing base 2 and the guide rail 1. The lower surface of the pushing base 2 is provided with a groove matched with the guide rail 1. The groove is internally paved with a polytetrafluoroethylene plate. The surface of the polytetrafluoroethylene plate is very smooth, so that the friction force between the pushing base 2 and the guide rail 1 is reduced, the pushing base 2 slides more smoothly along the guide rail 1, the moving speed of the pushing base 2 is increased, and the construction efficiency of the hanging basket cantilever is improved.
A plurality of screw rods 3 penetrate through the pushing base 2 along the longitudinal direction of the bridge and are fixed on the guide rail 1, and a plurality of penetrating jacks 4 are respectively and correspondingly sleeved on the screw rods 3. The telescopic displacement of the moving ends of the plurality of the penetrating jacks 4 is controlled by the same oil pipe. And for the hanging basket template with larger mass, the hanging basket template is pushed by a plurality of penetrating jacks 4 simultaneously.
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. 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 (10)
1. A bridge hanging basket cantilever construction device is used for moving a hanging basket template along the longitudinal direction of a bridge to pour the bridge, and is characterized in that,
comprises a pushing mechanism which is arranged on the last beam block after pouring and is used for pushing a cradle template to move to the design position of the next beam block along the longitudinal direction of the bridge,
the pushing mechanism comprises a guide rail (1) which is arranged on a beam block after pouring along the longitudinal direction of the bridge, a pushing base (2) which is connected with the guide rail (1) in a sliding way and is used for installing a hanging basket template, a screw rod (3) which penetrates through the pushing base (2) along the longitudinal direction of the bridge and is fixed on the guide rail (1), and a center penetrating jack (4) which is sleeved on the screw rod (3),
the fixed end of the through jack (4) is fixed on the screw rod (3), and the moving end of the through jack (4) is abutted against the pushing base (2) so as to push the pushing base (2) and drive the hanging basket template to move to the design position of the next beam block along the longitudinal direction of the bridge.
2. The bridge hanging basket cantilever construction device of claim 1,
and a plurality of pushing mechanisms are arranged on the last beam block after pouring along the transverse direction of the bridge.
3. The bridge hanging basket cantilever construction device of claim 1,
the guide rail (1) comprises a steel rail (11) in sliding connection with the pushing base (2) and fixed plates (12) which are fixed at two ends of the steel rail (11) and are used for being in threaded matching connection with the screw rods (3).
4. The bridge hanging basket cantilever construction device of claim 3,
the fixed plate (12) is provided with a mounting hole for penetrating the screw rod (3), and the screw rod (3) penetrates through the mounting hole and is fixed on the fixed plate (12) through a fastener.
5. The bridge hanging basket cantilever construction device of claim 3,
and a transverse groove is formed in the fixed plate (12) so as to insert and fix the steel rail (11) in the transverse groove.
6. The bridge hanging basket cantilever construction device of claim 3,
the steel rails (11) are arranged in the transverse direction of the bridge, two ends of the steel rails are fixed on the fixed plate (12), and the steel rails (11) are connected and supported through transverse steel beams (13) arranged in the transverse direction of the bridge.
7. The bridge hanging basket cantilever construction device of claim 1,
a channel for the screw rod (3) to pass through is arranged in the pushing base (2).
8. The bridge hanging basket cantilever construction device of claim 1,
and a polytetrafluoroethylene plate is arranged on the contact surface of the pushing base (2) and the guide rail (1).
9. The bridge hanging basket cantilever construction device of claim 1,
the plurality of screw rods (3) penetrate through the pushing base (2) along the longitudinal direction of the bridge and are fixed on the guide rail (1), and the plurality of penetrating jacks (4) are respectively and correspondingly sleeved on the plurality of screw rods (3).
10. The bridge hanging basket cantilever construction device of claim 9,
the telescopic displacement of the moving ends of the plurality of the penetrating jacks (4) is controlled by the same oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920624490.0U CN210797307U (en) | 2019-04-30 | 2019-04-30 | Bridge hanging basket cantilever construction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920624490.0U CN210797307U (en) | 2019-04-30 | 2019-04-30 | Bridge hanging basket cantilever construction device |
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| Publication Number | Publication Date |
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| CN210797307U true CN210797307U (en) | 2020-06-19 |
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| CN201920624490.0U Active CN210797307U (en) | 2019-04-30 | 2019-04-30 | Bridge hanging basket cantilever construction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818359A (en) * | 2021-09-24 | 2021-12-21 | 柳州欧维姆机械股份有限公司 | Walking type pushing construction method and application of large-scale component |
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2019
- 2019-04-30 CN CN201920624490.0U patent/CN210797307U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818359A (en) * | 2021-09-24 | 2021-12-21 | 柳州欧维姆机械股份有限公司 | Walking type pushing construction method and application of large-scale component |
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