CN214656379U - Integral steelframe platform rollover construction system of high mound hydraulic jacking - Google Patents
Integral steelframe platform rollover construction system of high mound hydraulic jacking Download PDFInfo
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- CN214656379U CN214656379U CN202022868399.9U CN202022868399U CN214656379U CN 214656379 U CN214656379 U CN 214656379U CN 202022868399 U CN202022868399 U CN 202022868399U CN 214656379 U CN214656379 U CN 214656379U
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Abstract
The utility model provides an integral steelframe platform rollover construction system of high mound hydraulic pressure jacking, this construction system include hydraulic pressure jacking system, steelframe platform system, template and template lift system. The hydraulic jacking system comprises a supporting rod, a lifting frame, a hydraulic penetrating jack and the like, wherein the hydraulic penetrating jack is clamped on the supporting rod and climbs along the supporting rod; the steel frame platform system is connected with the lifting frame and the hydraulic center-penetrating jack into a whole and synchronously lifted; a plurality of groups of support rods detachably connected are arranged between the steel frame platform system and the template, when the support rods are locked and connected, the steel frame platform system and the template are lifted synchronously by the hydraulic center-penetrating jack, when the connection of the support rods is removed, the position locking of the steel frame platform system and the template is removed, and the lifting of the template is controlled by the electric hoist. And the steel frame platform system and the templates are lifted step by step, so that the safety is high, the construction efficiency is high, and the method is very suitable for high pier construction.
Description
Technical Field
The utility model relates to a pier construction technical field especially relates to die carrier hoist system that pier construction adopted.
Background
The bridge high pier construction has the characteristics of large construction difficulty and high safety risk. The conventional construction process for constructing the high pier of the bridge comprises modes of tower crane turnover, hydraulic slip form, hydraulic climbing form and the like. The concrete joint of the tower crane turnover construction mode is smooth, the grout stopping effect is good, and the appearance quality of the concrete is guaranteed. However, when the formwork is disassembled and lifted, the workers have difficulty in standing and the construction conditions are hard, so that the labor time is low. The hydraulic slip form construction condition is better than the turnover form of a tower crane, but the appearance quality of concrete is not good enough. The hydraulic creeping formwork has complete functions, safety, reliability, strong adaptability to pier structures and good appearance quality of concrete. However, the accuracy requirements of procedures such as anchor embedding, hanging seat installation, fulcrum conversion after the support climbs in place and the like of each construction cycle of the hydraulic climbing formwork are high, so that the climbing smoothness and the reliability of the fulcrum can be ensured, and the construction progress is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to remedy prior art's not enough, provide one kind can improve the construction progress, reduce the high mound construction process of bridge of high mound construction safety risk.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an integral steelframe platform rollover construction system of high mound hydraulic pressure jacking which characterized in that includes: a hydraulic jacking system, a steel frame platform system, a template and a template lifting system,
the hydraulic jacking system comprises a supporting rod, a lifting frame, a hydraulic piercing jack, a hydraulic solenoid valve, a hydraulic pump and a hydraulic control console, wherein the supporting rod is fixed on a ground foundation, the hydraulic piercing jack is clamped on the supporting rod and climbs along the supporting rod, the hydraulic piercing jack, the hydraulic solenoid valve and the hydraulic pump are connected into a hydraulic working loop through a hydraulic oil pipe, and the climbing height of the hydraulic piercing jack is controlled by the hydraulic control console;
the steel frame platform system comprises an annular square frame truss which is formed by lapping profile steels and surrounds the concrete pier and the template system and is used for providing a construction operation space, the edge of the square frame truss and the outer side surface of the pier body concrete are spaced by a distance larger than the thickness of 2 layers of templates, and the steel frame platform system, a lifting frame and a hydraulic penetrating jack are connected into a whole through bolts and are lifted synchronously;
the template and the template lifting system comprise an upper layer of template, a lower layer of template and an electric hoist, wherein the main body of the electric hoist is fixed on a lifting frame, and a hook of the electric hoist is hung on the lower layer of template and is lifted to the top surface of the upper layer of template;
a plurality of groups of support rods detachably connected are arranged between the steel frame platform system and the template, when the support rods are locked and connected between the steel frame platform system and the template, the steel frame platform system and the template are kept static or are lifted synchronously by a hydraulic center-penetrating jack, when the connection of the support rods is released, the position locking of the steel frame platform system and the template is released, and the lifting of the template is controlled by the electric hoist.
A plurality of groups of support rods detachably connected are arranged between the steel frame platform system and the template and comprise inclined support rods and horizontal support rods connected between the inner side of the square truss and the outer side of the template, so that the steel frame platform system is prevented from falling and wind.
The steel frame platform system is also provided with support legs horizontally extending from the inner side to the outer side of the pier body, and the tail ends of the support legs are provided with rollers. The gyro wheel rolls along pier shaft lateral wall, props the leg and provides the side direction holding power for the steelframe platform.
The square frame truss comprises a bottom layer operating platform with a surrounding type guardrail and used for formwork removal and pier body surface decoration, a middle layer operating platform used for maintaining poured concrete and having equal strength, and an upper layer operating platform used for steel bar binding, formwork installation and concrete pouring operation.
The lifting frame comprises a plurality of outer vertical rods and a plurality of lifting frame cross beams penetrating through the supporting rods, the bottom of the lifting frame lower cross beam is provided with an anti-falling wedge type clamp used for preventing the lifting frame from falling down, and the outer vertical rods extend to the bottom end of the steel frame platform system.
The utility model discloses an integral steelframe platform rollover construction system of high mound hydraulic jacking is as an organic whole with steelframe platform, hoisting frame and hydraulic jack connection, and the jack that pierces through climbs along the supporting rod, does not have the fulcrum conversion problem of every construction circulation. After the concrete pouring is finished to a certain strength, the steel frame platform is driven by the center-penetrating jack through the lifting frame to climb to the height of the next construction section along the supporting rod. The lifting frame and the template are movably connected, and can be lifted together when being connected into a whole, and the template can be detached, hoisted and installed again independently when the connection is released. The construction progress is fast, the security performance is high, the concrete is of high quality. On the other hand, the utility model discloses an integral steel frame platform makes the operation of turning over the mould all go on in enclosing covering perfect multilayer platform from operations such as reinforcement, template dismantlement hoist and mount, concrete placement, and fundamentally changes the dangerous situation of high pier turning over mould construction operation environment, eliminates constructor's high altitude construction fear sense to work efficiency and construction quality have been improved by a wide margin.
Drawings
Fig. 1 is the utility model discloses an integral steelframe platform rollover construction system's of high mound hydraulic pressure jacking whole schematic diagram.
Fig. 2 is a schematic view of a hydraulic system connected to the formwork.
Fig. 3 is a schematic view of fig. 2 in the direction of a.
Fig. 4 is a schematic diagram of a hydraulic system.
Fig. 5 is the utility model discloses an integral steelframe platform rollover construction system's of high mound hydraulic pressure jacking plane schematic diagram.
Fig. 6 is a schematic diagram of the construction operation of the high pier hydraulic jacking integrated steel frame platform rollover construction system of the present invention, wherein (a) the steel bar operation is started after the square truss climbs in place; (b) the bottom formwork is dismantled and lifted; (c) removing and lifting the bottom layer inner template; (d) the method comprises the steps of die assembly, split screw installation and concrete pouring.
FIG. 7 is a schematic view of a lower beam of the lift frame mounting the fall arrest wedge block type clamp.
The anti-falling wedge block type hydraulic lifting device comprises a template 1, a hydraulic piercing jack 2, a support rod 3, a lifting frame 4, a square frame truss 5, a guardrail 6, a support rod 8, a support leg 9, a walking plate 10, a lifting frame beam 11, an electric hoist 12, a screw device 16, a to-be-poured part 17, a poured concrete pier 18 and an anti-falling wedge block type clamp 20.
Detailed Description
As shown in fig. 1-7, do the utility model discloses an integral steelframe platform rollover construction system of high mound hydraulic jacking, it includes: hydraulic pressure jacking system, steel frame platform system and template lift system.
The hydraulic jacking system comprises a support rod 3, a lifting frame 4, a hydraulic piercing jack 2, a hydraulic solenoid valve, a hydraulic pump, a hydraulic control console and the like. The support rod 3 is fixed on a ground foundation, and the hydraulic piercing jack 2 is clamped on the support rod and climbs along the support rod. The hydraulic piercing jack, the hydraulic solenoid valve and the hydraulic pump are connected into a hydraulic working loop through a hydraulic oil pipe, and the climbing height of the hydraulic piercing jack is controlled by a hydraulic control console. The lifting frame comprises a plurality of outer vertical rods and a plurality of lifting frame cross beams penetrating through the supporting rods. The bottom of the lower beam of the lifting frame is provided with an anti-falling wedge type clamp used for preventing the lifting frame from falling, and the outer vertical rod extends to the bottom end of the steel frame platform system.
The steel frame platform system comprises an annular square frame truss 5 which is formed by lapping section steel and surrounds the concrete pier and the template system and is used for providing a construction operation space, and the distance between the edge of the square frame truss and the outer side surface of the pier body concrete is larger than the thickness of 2 layers of templates. The steel frame platform system, the lifting frame and the hydraulic penetrating jack are connected into a whole through bolts and are lifted synchronously.
The template and the template lifting system comprise an upper template 1, a lower template 1 and an electric hoist 12, wherein the main body of the electric hoist 12 is fixed on a lifting frame beam, and a hook of the electric hoist 12 is hung on the lower template and lifted to the top surface of the upper template.
As shown in fig. 1, a plurality of groups of support rods 8 detachably connected are arranged between the steel frame platform system and the formwork, and each support rod comprises a 45-degree inclined support rod for preventing falling and a horizontal support rod for resisting wind.
When the support rods are locked and connected between the steel frame platform system and the template, the steel frame platform system and the template are kept static or are synchronously lifted by the hydraulic penetrating jacks, when the support rods are disconnected, the position locking of the steel frame platform system and the template is released, and the lifting of the template is controlled by the electric hoist.
And a supporting leg 9 horizontally extending from the inner side of the steel frame platform system to the outer side wall of the pier body is further arranged below the steel frame platform system, and a roller is arranged at the tail end of the supporting leg. When the steel frame platform system is lifted upwards, the rollers slide along the outer wall of the pier body. The supporting legs provide a transverse restraining effect for the steel frame platform system, and transverse movement or swinging is avoided.
Functionally, the square truss of the steel frame platform system comprises a bottom operating platform with an enclosure type guardrail for formwork removal and pier body surface decoration, a middle operating platform for maintaining poured concrete and maintaining equal strength, and an upper operating platform for steel bar binding, formwork installation and concrete pouring operation.
The following description describes the construction steps of the present invention:
(1) and after the template is arranged at the bottom of the pier body, a hydraulic jacking system, a steel frame platform system, the template and a template lifting system are arranged, a hydraulic working circuit is connected, and the lifting frame, the square frame truss and the hydraulic penetrating jack are connected into a whole.
(2) And installing the template and connecting and fixing the steel frame platform system and the template through the horizontal stay bars and the inclined stay bars between the steel frame platform system and the template.
And starting the hydraulic penetrating jack to drive the square frame truss, the lifting frame and the template to be lifted to the height position required by segment construction along the supporting rod.
(3) And (5) performing reinforcement binding operation on the square truss operation platform.
(4) And (4) coating a release agent on the inner side wall of the template, and pouring concrete after die assembly.
(5) And demolding after the concrete is of equal strength, and disassembling the stay bar connection between the template and the square truss.
Hang the electric block couple in the template that is located the lower floor, start electric block and promote the top surface of upper template with lower floor's template, original lower floor's template becomes upper template, and original upper template becomes lower floor's template. And installing and fixing the template again.
When the templates are installed, the abutting flange surfaces of the upper and lower templates are cleaned up, the filling and grout stopping adhesive tapes are added, and the square frame truss and the templates are connected and fixed through the support rods between the square frame truss and the templates.
(6) And (4) coating a release agent on the inner side wall of the template, pouring concrete, and demolding after the concrete is of equal strength. And under the condition of keeping the stay bar connection between the template and the square frame truss, starting the hydraulic penetrating jack to drive the square frame truss, the lifting frame and the template to lift one construction section upwards.
(7) And (5) repeating the steps (2) to (6) until the construction is finished.
Claims (5)
1. The utility model provides an integral steelframe platform rollover construction system of high mound hydraulic pressure jacking which characterized in that includes: a hydraulic jacking system, a steel frame platform system, a template and a template lifting system,
the hydraulic jacking system comprises a supporting rod, a lifting frame, a hydraulic piercing jack, a hydraulic solenoid valve, a hydraulic pump and a hydraulic control console, wherein the supporting rod is fixed on a ground foundation, the hydraulic piercing jack is clamped on the supporting rod and climbs along the supporting rod, the hydraulic piercing jack, the hydraulic solenoid valve and the hydraulic pump are connected into a hydraulic working loop through a hydraulic oil pipe, and the climbing height of the hydraulic piercing jack is controlled by the hydraulic control console;
the steel frame platform system comprises an annular square frame truss which is formed by lapping profile steels and surrounds the concrete pier and the template system and is used for providing a construction operation space, the edge of the square frame truss and the outer side surface of the pier body concrete are spaced by a distance larger than the thickness of 2 layers of templates, and the steel frame platform system, a lifting frame and a hydraulic penetrating jack are connected into a whole through bolts and are lifted synchronously;
the template and the template lifting system comprise an upper layer of template, a lower layer of template and an electric hoist, wherein the main body of the electric hoist is fixed on a lifting frame, and a hook of the electric hoist is hung on the lower layer of template and is lifted to the top surface of the upper layer of template;
a plurality of groups of support rods detachably connected are arranged between the steel frame platform system and the template, when the support rods are locked and connected between the steel frame platform system and the template, the steel frame platform system and the template are kept static or are lifted synchronously by a hydraulic center-penetrating jack, when the connection of the support rods is released, the position locking of the steel frame platform system and the template is released, and the lifting of the template is controlled by the electric hoist.
2. The integral steel frame platform rollover construction system for hydraulic jacking of high piers according to claim 1, characterized in that: a plurality of groups of support rods detachably connected are arranged between the steel frame platform system and the template and comprise inclined support rods and horizontal support rods connected between the inner side of the square truss and the outer side of the template.
3. The integral steel frame platform rollover construction system for hydraulic jacking of high piers according to claim 1, characterized in that: the steel frame platform system is also provided with support legs horizontally extending from the inner side to the outer side of the pier body, and the tail ends of the support legs are provided with rollers.
4. The integral steel frame platform rollover construction system for hydraulic jacking of high piers according to claim 1, characterized in that: the square frame truss comprises a bottom layer operating platform with a surrounding type guardrail and used for formwork removal and pier body surface decoration, a middle layer operating platform used for maintaining poured concrete and having equal strength, and an upper layer operating platform used for steel bar binding, formwork installation and concrete pouring operation.
5. The integral steel frame platform rollover construction system for hydraulic jacking of high piers according to claim 4, characterized in that: the lifting frame comprises a plurality of outer vertical rods and a plurality of lifting frame cross beams penetrating through the supporting rods, the bottom of the lifting frame lower cross beam is provided with an anti-falling wedge type clamp used for preventing the lifting frame from falling down, and the outer vertical rods extend to the bottom end of the steel frame platform system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022868399.9U CN214656379U (en) | 2020-12-03 | 2020-12-03 | Integral steelframe platform rollover construction system of high mound hydraulic jacking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022868399.9U CN214656379U (en) | 2020-12-03 | 2020-12-03 | Integral steelframe platform rollover construction system of high mound hydraulic jacking |
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| CN214656379U true CN214656379U (en) | 2021-11-09 |
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| CN202022868399.9U Active CN214656379U (en) | 2020-12-03 | 2020-12-03 | Integral steelframe platform rollover construction system of high mound hydraulic jacking |
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