CN220434225U - Adjustable large-span high formwork support system capable of being monitored - Google Patents

Adjustable large-span high formwork support system capable of being monitored Download PDF

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Publication number
CN220434225U
CN220434225U CN202321603378.1U CN202321603378U CN220434225U CN 220434225 U CN220434225 U CN 220434225U CN 202321603378 U CN202321603378 U CN 202321603378U CN 220434225 U CN220434225 U CN 220434225U
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disc
hydraulic
platform
jacking
template
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CN202321603378.1U
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张祎
王永春
毛宇奇
张浩玺
季想
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Cccc Southwest Urban Development Co ltd
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Cccc Southwest Urban Development Co ltd
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Abstract

The utility model relates to a large-span high formwork support system with adjustable monitoring. The device comprises a plurality of hydraulic jacking devices supported by a disc-buckle type scaffold, wherein the top of each hydraulic jacking device is provided with a template jacking, and a plurality of groups of detection devices for detecting the heights of templates above the disc-buckle type scaffold are arranged on the disc-buckle type scaffold; the hydraulic jacking device comprises an upper platform, a lower platform and an X-shaped support arm positioned between the upper platform and the lower platform, wherein the template jacking is arranged on the upper platform, the lower platform is detachably connected with the disc buckle type scaffold, and the hydraulic jacking device further comprises a hydraulic cylinder and a hydraulic pump station, wherein the hydraulic cylinder is used for driving the X-shaped support arm to stretch and deform; the hydraulic pump station is connected with the controller through control cables. The utility model realizes the real-time continuous monitoring function of the flatness of the template, and the position accuracy and the flatness of the template are always ensured in the whole concrete pouring process by establishing a monitoring-adjusting linkage mechanism.

Description

Adjustable large-span high formwork support system capable of being monitored
Technical Field
The utility model belongs to the technical field of building construction equipment, and particularly relates to a large-span high formwork support system with adjustable monitoring.
Background
There are large-span high formwork construction structures in many building construction projects, according to the specifications of concrete structure engineering construction specifications GB 50666-2011: for beams and plates with the span not less than 4m, the arch raising height of the template construction is preferably 1-3/1000 of the span of the beams and plates. In the prior art, the template is generally supported by adopting a fastener type scaffold, at a large-span high formwork position, to meet the arching requirement of concrete structural engineering construction standards, a worker is required to climb the top end of a support frame, lifting adjustment is carried out on a jacking hammer of a disc buckle frame, the jacking in the middle of the template is hammered upwards to a designated height, and in order to ensure that the template does not severely droop in the concrete pouring process, a full-time quality manager is required to monitor the position by utilizing an infrared measurement distance, and when the sagging of the template is monitored by pouring concrete, the jacking is required to be repeatedly adjusted by the worker, so that the requirement of the flatness of the template is ensured.
The following drawbacks exist with the aforementioned conventional methods of regulation: in the existing large-span high formwork support system, the arch lifting height of the adjusting formwork is manually adjusted, and because the arch lifting height required by the specification is too fine, workers often judge through experience when adjusting jacking, so that the adjusted height exceeds or does not reach the specification requirement, and the probability of sagging of the formwork when pouring concrete is improved; in the prior art, when pouring, monitoring can only be carried out through infrared rays by a full-time quality manager, under the condition that the height of a template exceeds 8m (a high formwork is a template with a supporting frame exceeding 8 m), monitoring becomes difficult, and large-span monitoring is difficult to ensure accuracy, so that the arch lifting height is difficult to ensure, and the probability of sagging of the template during pouring concrete is further improved. To sum up, under the existing technical conditions, the probability of sagging of concrete at the large-span high formwork is high, and workers are required to repeatedly adjust the jacking of the support frame during pouring, so that the flatness of the formwork cannot be accurately ensured, and the working height of the high formwork also brings great risks to operators. Development and design of an auxiliary supporting system applied to a large-span high formwork are needed to solve the technical problems.
Disclosure of Invention
The utility model provides a large-span high formwork support system capable of being monitored and adjusted to solve the technical problems in the prior art, achieves a real-time continuous monitoring function on the flatness of a formwork, automatically and quickly responds to generate a lifting action when the sagging problem of the formwork occurs by establishing a linkage mechanism for monitoring and adjusting, and always ensures the position accuracy and the flatness of the formwork in the whole concrete pouring process.
The utility model adopts the technical proposal for solving the technical problems in the prior art that: the adjustable large-span high formwork support system comprises a plurality of hydraulic jacking devices supported by a disc-buckle type scaffold, wherein the top of each hydraulic jacking device is provided with a formwork jacking, and a plurality of groups of detection devices for detecting the heights of the formworks above are arranged on the disc-buckle type scaffold; the hydraulic jacking device comprises an upper platform, a lower platform and an X-shaped support arm positioned between the upper platform and the lower platform, wherein the template jacking is arranged on the upper platform, the lower platform is detachably connected with the disc buckle type scaffold, and the hydraulic jacking device further comprises a hydraulic cylinder and a hydraulic pump station, wherein the hydraulic cylinder is used for driving the X-shaped support arm to stretch and deform; the hydraulic pump station is connected with the controller through control cables.
Preferably: an upper movable shaft is arranged on one side of the upper end of the X-shaped support arm, an upper fixed shaft is arranged on the other side of the upper end of the X-shaped support arm, a bottom cross beam is arranged on one side of the lower end of the X-shaped support arm, a lower fixed shaft is arranged on the other side of the lower end of the X-shaped support arm, an upper roller is arranged at the end part of the upper movable shaft, a lower roller is arranged at the end part of the bottom cross beam, guide rails matched with the upper roller and the lower roller are respectively arranged inside the upper platform and the lower platform, and the upper fixed shaft and the lower fixed shaft are respectively arranged at the bottom of the upper platform and the top of the lower platform by adopting shaft seats.
Preferably: the middle part of one of the frames of the X-shaped support arm is provided with a middle cross beam, the lower part of the frame is provided with a support plate, a hydraulic cylinder is arranged between the bottom cross beam and the middle cross beam, and a hydraulic pump station is arranged on the support plate.
Preferably: the scaffold is constructed by scaffold frame monomer and connection horizontal pole and forms, and scaffold frame monomer includes the bracing piece, installs a plurality of dishes on the bracing piece equidistant, and the dish is detained and is included the disc, and the bracing piece passes and welded fastening by the hole that is located the disc middle part, is equipped with a plurality of pinholes on the disk body of disc, and the tip of connection horizontal pole adopts bayonet lock and dish knot fixed connection.
Preferably: connecting sleeves are arranged at four corners of the bottom of the lower platform, and the upper ends of support rods of the disc-buckling scaffold are inserted into the connecting sleeves.
Preferably: the detection device comprises a detection cross rod with a connecting base at the root, a notch is arranged on the connecting base and is provided with a vertically through pin hole, the edge of the disc buckle is embedded into the notch of the connecting base and is fixed with the connecting base by a bolt penetrating through the notch up and down, and an infrared range finder is arranged on the detection cross rod.
The utility model has the advantages and positive effects that:
compared with the existing large-span high formwork support system based on the scaffold completely, the large-span high formwork support system provided by the utility model is based on the scaffold, and the effect of continuously monitoring the height of the formwork constructed above in real time is realized by installing a plurality of detection devices on the scaffold, and the judgment of whether sagging problem is generated on the formwork is realized by continuously monitoring the height of the upper formwork in real time, so that the large-span high formwork support system is a 'monitorable'.
The hydraulic jacking device is arranged at the top of the disc buckle type scaffold foundation, the template jacking is arranged at the top of the hydraulic jacking device, when the sagging problem of the template at a specific position is detected in the pouring process of concrete, the controller controls the hydraulic jacking device at the corresponding position to generate jacking action, and the template is jacked to a certain height until the height meets the set requirement, so that the large-span high formwork support system is an adjustable system, a linkage mechanism of the detection device and the hydraulic jacking device is constructed, the quick response can be realized when the sagging problem of the template occurs in the pouring process, and the position accuracy of the template and the pouring flatness in the pouring process are ensured.
On the other hand, the adjustable large-span high formwork support system realizes unmanned operation, and improves the safety of construction of the large-span high formwork structure compared with the existing operation mode of manually climbing up the scaffold and adjusting the jacking height of the formwork by a beating mode.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the exterior structure of the hydraulic jacking device of FIG. 1;
FIG. 3 is a schematic view of the internal structure of the hydraulic jacking device of FIG. 1;
fig. 4 is a schematic view of the mounting structure of the detecting device in fig. 1.
In the figure:
1. jacking a template; 2. a hydraulic jack; 2-1, a guide rail; 2-2, upper idler wheels; 2-3, an upper moving shaft; 2-4, upper platform; 2-5, X-shaped support arms; 2-6, lower platform; 2-7, connecting sleeve; 2-8, lower idler wheels; 2-9, a bottom cross beam; 2-10, a hydraulic cylinder; 2-11, middle cross beam; 2-12, an upper fixed shaft; 2-13, a supporting plate; 2-14, a lower fixed shaft; 2-15, a hydraulic pump station; 3. a detection device; 3-1, detecting a cross bar; 3-2, connecting the base; 3-3, an infrared range finder; 3-4, a bolt; 4. a disc buckle type scaffold; 4-1, supporting rods; 4-2, a disc buckle; 5. a signal cable; 6. a control cable; 7. and a controller.
Detailed Description
In order to further understand the summary, features and advantages of the present utility model, the following examples are set forth in detail.
Referring to fig. 1, the adjustable large-span high formwork support system comprises a plurality of hydraulic jacking devices 2 supported by a disc buckle type scaffold 4, a formwork jacking 1 is arranged at the top of each hydraulic jacking device 2, and a plurality of groups of detection devices 3 for detecting the heights of the upper formworks are arranged on the disc buckle type scaffold 4.
The working principle is as follows: the heights of the templates built above are continuously monitored in real time by adopting the multiple groups of detection devices 3, if the sagging problem of the templates at the specific positions is detected, the hydraulic jacking devices 2 at the corresponding positions are started to jack up the templates above, the sagging templates are restored to the set heights, the monitoring devices 3 and the hydraulic jacking devices 2 are constructed to be a linkage mechanism, the position accuracy of each template is effectively ensured in the concrete pouring process, and the pouring flatness is improved. On the other hand, because automatic monitoring and adjustment are realized, compared with the existing operation mode of manually climbing up the scaffold and adjusting the template jacking 1 by beating, the safety of operation is greatly improved.
Referring to fig. 1 and 4, it can be seen that:
the disc buckle type scaffold 4 is formed by building scaffold monomers and connecting transverse rods. The scaffold monomer comprises a support rod 4-1, a plurality of disc buckles 4-2 are arranged on the support rod 4-1 at equal intervals, each disc buckle comprises a disc, the support rod 4-1 penetrates through a hole in the middle of the disc and is welded and fixed, a plurality of pin holes are formed in the disc body of the disc, and the end parts of the connecting cross bars are fixedly connected with the disc buckles through bayonet locks.
The scaffold 4 is constructed on the ground of a construction site, specifically, a plurality of scaffold monomers are vertically arranged on the ground, a connecting cross bar is installed between two adjacent scaffold monomer scaffold 4-2, the end part of the connecting cross bar is provided with a notch, and the edge of the scaffold 4-2 is embedded into the notch and is fixedly connected by a bayonet lock.
Referring to fig. 2 and 3, it can be seen that:
the hydraulic jacking device 2 comprises an upper platform 2-4, a lower platform 2-6, an X-shaped support arm 2-5 positioned between the upper platform 2-4 and the lower platform 2-6, a template jacking 1 arranged on the upper platform 2-4, a hydraulic cylinder 2-10 and a hydraulic pump station 2-15, wherein the hydraulic cylinder 2-10 is used for driving the X-shaped support arm 2-5 to stretch and deform, and the lower platform 2-6 is detachably connected with the disc buckle type scaffold 4. When the hydraulic jacking device 2 needs to be controlled to stretch and deform, the hydraulic pump station 2-15 is operated to control the piston rod of the hydraulic cylinder 2-10 to stretch and deform, and when the overall height of the hydraulic jacking device 2 is increased, the jacking effect on the upper template jacking 1 and the template is generated.
As shown in the figure, an upper moving shaft 2-3 is arranged on one side of the upper end of an X-shaped support arm 2-5, an upper fixed shaft 2-12 is arranged on the other side of the upper end, a bottom cross beam 2-9 is arranged on one side of the lower end of the X-shaped support arm 2-5, and a lower fixed shaft 2-14 is arranged on the other side of the lower end. Thus, the X-shaped arm 2-5 is essentially constituted by two rectangular frame structures, one of which is constituted by front and rear arm profiles, an upper movable shaft 2-3 and a lower fixed shaft 2-14, and the other of which is constituted by front and rear arm profiles, an upper fixed shaft 2-12 and a bottom cross member 2-9, the front two arm profiles being hinged at the middle, and the rear two arm profiles being hinged at the middle.
An upper roller 2-2 is installed at the end part of the upper moving shaft 2-3, a lower roller 2-8 is installed at the end part of the bottom cross beam 2-9, guide rails 2-1 matched with the upper roller 2-2 and the lower roller 2-8 are installed inside the upper platform 2-4 and the lower platform 2-6 respectively, and an upper fixed shaft 2-12 and a lower fixed shaft 2-14 are installed at the bottom of the upper platform 2-4 and the top of the lower platform 2-6 respectively by adopting shaft seats. When the X-shaped support arm 2-5 is in telescopic deformation, the upper roller 2-2 moves along the upper guide rail 2-1 in a rolling way, and the lower roller 2-8 moves along the lower guide rail 2-1 in a rolling way.
The middle part of one of the frames of the X-shaped support arm 2-5 is provided with a middle cross beam 2-11, the lower part of the frame is provided with a support plate 2-13, the hydraulic cylinder 2-10 is arranged between the bottom cross beam 2-9 and the middle cross beam 2-11, and the hydraulic pump station 2-15 is arranged on the support plate 2-13. In the embodiment, in order to ensure the stability of driving action and expansion deformation, a front hydraulic cylinder 2-10 and a rear hydraulic cylinder 2-10 are arranged between a bottom cross beam 2-9 and a middle cross beam 2-11, and a hydraulic pump station 2-15 drives the two hydraulic cylinders 2-10 to synchronously act.
The four corners of the bottom of the lower platform 2-6 are provided with connecting sleeves 2-7, and the upper ends of the supporting rods 4-1 of the disc buckle type scaffold 4 are inserted into the connecting sleeves 2-7.
Referring to fig. 4, it can be seen that:
the detection device 3 comprises a detection cross rod 3-1 with a connecting base 3-2 at the root, a notch is arranged on the connecting base 3-2 and is provided with a vertically through pin hole, the edge of the disc buckle 4-2 is embedded into the notch of the connecting base 3-2 and is fixed with the connecting base 3-2 by adopting a bolt 3-4 which penetrates up and down, and an infrared range finder 3-3 is arranged on the detection cross rod 3-1. The infrared range finder 3-3 is an existing component and is obtained through purchase, and is installed and fixed on the detection cross rod 3-1 by adopting fixing parts such as buckles.
In general, the pin holes on the disc buckle 4-2 are circumferentially provided with a plurality of pin holes, so that the position of the detection device 3 can be reasonably adjusted by adjusting the pin hole positions of the plug-in connection of the plug pins 3-4, and thus, the protrusions which have adverse effects on the height detection on the upper side can be avoided, and the detection infrared rays directly act on the upper template.
The infrared range finders 3-3 of each group of detection devices 3 are connected with the controller 7 through signal cables 5, and each hydraulic pump station 2-15 is connected with the controller 7 through a control cable 6.
The controller 7 is constructed based on a PLC chip and comprises a processor module, a motor driving module, a power supply module and a touch control display screen, detection data generated by the infrared range finders 3-3 of each group of detection devices 3 are sent to the processor module through signal cables 5, motors of the hydraulic pump stations 2-15 are connected with the motor driving module, the power supply module is connected with a power supply (such as a generator configured on a construction site) through cables, and the touch control display screen is used for inputting control instructions and setting system parameters.
The construction method comprises the following steps:
a stable disc buckle type scaffold 4 is built at a construction site by adopting a traditional construction process; installing a template jacking 1 on an upper platform 2-4 of a hydraulic jacking device 2, then lifting a plurality of hydraulic jacking devices 2 and placing the hydraulic jacking devices on the top of a disc buckle type scaffold 4, and enabling the upper ends of support rods 4-1 of scaffold monomers of the disc buckle type scaffold 4 to be inserted into connecting sleeves 2-7 at the bottom of the hydraulic jacking device 2; installing templates on the top formwork jacking 1 to obtain a large-span high-formwork support system; under the initial condition, the hydraulic jacking devices 2 are regulated to respectively perform jacking actions, so that the heights of the templates meet the set requirements;
and then concrete pouring is carried out, in the pouring process, each group of detection devices 3 carries out real-time continuous height monitoring on each template above, if the sagging problem occurs on the template, the controller 7 rapidly judges and sends a control instruction to the corresponding hydraulic lifting device 2, the hydraulic pump station 2-15 is instructed to drive the piston rods of the two hydraulic cylinders 2-10 to moderately extend until the height of the template is detected to be restored to the set height by the detection devices 3, and the linkage mechanism ensures the position accuracy of each template in the pouring process and ensures the pouring evenness.

Claims (6)

1. A large-span high formwork braced system with adjustable monitoring, characterized by: the device comprises a plurality of hydraulic jacking devices (2) supported by a disc-buckle type scaffold (4), wherein a template jacking (1) is arranged at the top of each hydraulic jacking device (2), and a plurality of groups of detection devices (3) for detecting the heights of templates above are arranged on the disc-buckle type scaffold (4); the hydraulic jacking device (2) comprises an upper platform (2-4), a lower platform (2-6) and an X-shaped support arm (2-5) positioned between the upper platform and the lower platform, the template jacking (1) is arranged on the upper platform (2-4), the lower platform (2-6) is detachably connected with the disc buckle type scaffold (4), and the hydraulic jacking device further comprises a hydraulic cylinder (2-10) and a hydraulic pump station (2-15) for driving the X-shaped support arm (2-5) to stretch and deform; the hydraulic pump station is characterized by further comprising a controller (7), wherein each group of detection devices (3) is connected with the controller (7) through a signal cable (5), and each hydraulic pump station (2-15) is connected with the controller (7) through a control cable (6).
2. The adjustable large span high formwork support system as in claim 1 wherein: an upper moving shaft (2-3) is arranged on one side of the upper end of an X-shaped support arm (2-5), an upper fixed shaft (2-12) is arranged on the other side of the upper end, a bottom cross beam (2-9) is arranged on one side of the lower end of the X-shaped support arm (2-5), a lower fixed shaft (2-14) is arranged on the other side of the lower end, an upper roller (2-2) is arranged at the end part of the upper moving shaft (2-3), a lower roller (2-8) is arranged at the end part of the bottom cross beam (2-9), guide rails (2-1) matched with the upper roller (2-2) and the lower roller (2-8) are respectively arranged inside an upper platform (2-4) and a lower platform (2-6), and the upper fixed shaft (2-12) and the lower fixed shaft (2-14) are respectively arranged at the bottom of the upper platform (2-4) and the top of the lower platform (2-6) by shaft seats.
3. The adjustable large span high formwork support system as in claim 2 wherein: a middle cross beam (2-11) is arranged in the middle of one frame of the X-shaped support arm (2-5), a support plate (2-13) is arranged at the lower part of the X-shaped support arm, a hydraulic cylinder (2-10) is arranged between the bottom cross beam (2-9) and the middle cross beam (2-11), and a hydraulic pump station (2-15) is arranged on the support plate (2-13).
4. A monitorably adjustable large span high formwork support system as claimed in claim 3 wherein: the scaffold (4) is formed by constructing a scaffold monomer and a connecting cross rod, the scaffold monomer comprises a support rod (4-1), a plurality of disc buckles (4-2) are equidistantly arranged on the support rod (4-1), each disc buckle (4-2) comprises a disc, the support rod (4-1) penetrates through a hole in the middle of the disc and is welded and fixed, a plurality of pin holes are formed in the disc body of the disc, and the end part of the connecting cross rod is fixedly connected with the disc buckle (4-2) through a clamping pin.
5. The adjustable large span high formwork support system as in claim 4 wherein: the four corners of the bottom of the lower platform (2-6) are provided with connecting sleeves (2-7), and the upper ends of the supporting rods (4-1) of the disc buckle type scaffold (4) are inserted into the connecting sleeves (2-7).
6. The adjustable large span high formwork support system as in claim 5 wherein: the detection device (3) comprises a detection cross rod (3-1) with a connecting base (3-2) at the root, a notch is arranged on the connecting base (3-2) and provided with a vertically through pin hole, the edge of the disc buckle (4-2) is embedded into the notch of the connecting base (3-2) and fixed with the connecting base (3-2) by adopting a bolt (3-4) penetrating up and down, and an infrared range finder (3-3) is arranged on the detection cross rod (3-1).
CN202321603378.1U 2023-06-21 2023-06-21 Adjustable large-span high formwork support system capable of being monitored Active CN220434225U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321603378.1U CN220434225U (en) 2023-06-21 2023-06-21 Adjustable large-span high formwork support system capable of being monitored

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321603378.1U CN220434225U (en) 2023-06-21 2023-06-21 Adjustable large-span high formwork support system capable of being monitored

Publications (1)

Publication Number Publication Date
CN220434225U true CN220434225U (en) 2024-02-02

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ID=89695130

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Application Number Title Priority Date Filing Date
CN202321603378.1U Active CN220434225U (en) 2023-06-21 2023-06-21 Adjustable large-span high formwork support system capable of being monitored

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