CN221989116U - Bent cap template support unit that two cantilever bent cap construction were used - Google Patents

Abstract

The utility model provides a bent cap template support unit for double-cantilever bent cap construction, which comprises a bent cap template support, wherein a sliding rail is arranged on the bent cap template support, and a plurality of pulleys capable of sliding along the sliding rail are arranged on the sliding rail; the sled may be used to load items. The capping beam template support unit can be suitable for modularized construction of a capping beam, improves construction efficiency and reduces construction cost. The equipment carried on the equipment can be integrally translated to the next bent cap construction station, so that the processes of dismantling, transferring and installing equipment in the field are avoided, a large amount of working time is saved, the working efficiency is improved, and the economic benefit is increased. The modularized design is adopted, so that the assembly time, the long-distance transportation and the midway transition time are greatly reduced, and the working efficiency is improved.

Description

Bent cap template support unit that two cantilever bent cap construction were used

Technical Field

The utility model relates to the technical field of pouring construction of bridge cantilever bent caps, in particular to a bent cap template support unit for double-cantilever bent cap construction.

Background

The cantilever bent cap is a bridge structure and mainly comprises a support, an upper structure and a lower structure, the cantilever end is not supported, a gap is formed in the middle of the cantilever bent cap, the bent cap is constructed in a one-section pouring mode, after one section is finished, a support, a die and the like are moved, and pouring of the next section of cantilever is carried out.

In the prior art, the cantilever bent cap is usually constructed by using a penetrating rod or a fixed hoop and the like as a support, then hoisting the bailey beam, the distributing beam, the bottom die and the side die at a high position, and then pouring.

The steel rod penetrating method is to reserve holes in pier columns to install brackets, upwards build brackets with the brackets as starting points, build climbing ladder passages from the ground, and attach the climbing ladder passages to the pier columns at intervals. The hoop method is to hoop the pier column by using the hoop as a starting point, upwards building a bracket, building a ladder path from the ground, and attaching the ladder path to the pier column at intervals.

With the two methods, the following disadvantages exist:

1. the two modes are loose parts and a large number of parts need to be hoisted.

2. Independent cranes are required to be configured for a long time, and parts required to be hoisted by the cranes are scattered, so that the cranes occupy longer time, the construction period is longer, and the construction cost is high.

3. Most parts are installed in high positions, and great potential safety hazards exist.

4. After the construction of a group of pier studs and capping beams is finished, all equipment parts need to be transferred to the next group of stations one by one, and time and labor are wasted.

Therefore, in the construction process of the bent cap, according to the requirements of site construction, a bent cap construction system which can be installed in a low-level modularized mode and can be wholly lifted, lowered and horizontally moved after a bracket, a bottom die, a side die and the like is urgently needed, so that overhead installation operation of parts is reduced, the occupied time of a crane is reduced, the construction efficiency is improved, the construction period is shortened, and the safety coefficient of construction is improved.

However, the existing capping beam template support unit cannot adapt to a capping beam modular construction system, and the capping beam template support unit capable of adapting to capping beam modular construction is needed to be provided.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides the bent cap template support unit for double-cantilever bent cap construction, which can adapt to modularized construction, improve construction efficiency and reduce construction cost.

In order to achieve the above purpose, the present invention provides the following technical solutions: the bent cap template support unit for double-cantilever bent cap construction comprises a bent cap template support, wherein a sliding rail is arranged on the bent cap template support, and a plurality of pulleys capable of sliding along the sliding rail are arranged on the sliding rail; the sled may be used to load items. For example, the sled may be used to load standard support sections, attachment hoops, adjustment support sections, and drop blocks of a jacking system.

According to the preferable technical scheme, the bent cap template support is further provided with a detachable movable sheet frame; the bent cap template support unit also comprises a detachable reinforced concave support which is matched with the movable sheet frame of the bent cap template support for use, and the reinforced concave support is provided with at least one abdication space for accommodating a corresponding bridge pier; the cover beam template support can be integrally moved out of or into the corresponding bridge pier through alternately installing/detaching the corresponding reinforcing concave support and the movable sheet frame.

According to the technical scheme, when the integral movement of the bent cap template support out of the bridge pier column is required, the reinforcing concave support is firstly arranged on the corresponding bent cap template support, then the corresponding movable sheet frame is detached, the bent cap template support can be moved away from the corresponding bridge pier column integrally by using the abdication space of the reinforcing concave support, after the bent cap template support is moved in place, the corresponding movable sheet frame is arranged, the corresponding reinforcing concave support is detached, and the bent cap template support can be moved out of the corresponding bridge pier column integrally;

when the integral bent cap template support needs to be moved into the bridge pier column, the corresponding bridge pier column is firstly located in the yielding space of the corresponding reinforcing concave support, the reinforcing concave support is installed on the corresponding bent cap template support, then the corresponding movable sheet frame is detached, the integral bent cap template support can be moved to be close to the corresponding bridge pier column by utilizing the yielding space of the reinforcing concave support, after the integral bent cap template support is moved in place, the corresponding movable sheet frame is installed, the corresponding reinforcing concave support is detached, and the integral bent cap template support can be moved into the corresponding bridge pier column.

According to the preferable technical scheme, a plurality of elastic guide wheels are arranged on the bent cap template support unit; when the capping beam template support unit moves up and down along the bridge pier, the elastic guide wheels roll along the surface of the bridge pier to guide the capping beam template support unit.

Compared with the prior art, the invention has the beneficial effects that:

According to the utility model, the cover beam template support unit can integrally translate the equipment carried on the cover beam template support unit to the next cover beam construction station, so that the processes of dismantling, transferring and installing equipment in the field are avoided, a large amount of working time is saved, the working efficiency is improved, and the economic benefit is increased. The modularized design is adopted, so that the assembly time, the long-distance transportation and the midway transition time are greatly reduced, and the working efficiency is improved.

Drawings

Fig. 1 is an overall structural elevation view of a double cantilever capping beam construction system.

Fig. 2 is a three-dimensional view of the overall structure of a double cantilever capping beam construction system.

Fig. 3 is a schematic view of a base structure of a double cantilever capping beam construction system.

Fig. 4 is a schematic structural view of a bent cap form bracket.

Fig. 5 is a schematic structural view of the movable frame.

Fig. 6 is a schematic view of the structure of a standard support joint.

Fig. 7 is a schematic structural view of the sled.

Fig. 8 is a schematic structural view of an elastic guide wheel.

Fig. 9 is a schematic three-dimensional structure of the elastic guide wheel.

Fig. 10 is a schematic view of a partial structure of a bent cap form bracket.

Fig. 11 is a front view of the landing block.

Fig. 12 is a schematic three-dimensional structure of the dump block.

Fig. 13 is a schematic diagram of the connection structure of the modular bent cap template unit on the bent cap template support.

Fig. 14 is an enlarged view of a portion a in fig. 12.

Fig. 15 is a schematic view of the overall structure of the modular bent cap template unit.

Fig. 16 is a schematic view of the modular roof beam form unit after removal of the bottom form and tie bars.

Fig. 17 is an enlarged view of a portion B in fig. 15.

Fig. 18 is a view showing the installation state of the bent cap form holder unit and the modular bent cap form unit in a low position.

Fig. 19 to 22 are process views of gradual climbing of the capping beam formwork support and the modular capping beam formwork unit of the present invention up the bridge pier.

Fig. 23 is a front view of the drop beam die plate bracket and modular drop beam die plate unit lowered onto the translating connector bracket.

Fig. 24 is a top view of the drop beam die plate bracket and modular drop beam die plate unit lowered onto the translating connector bracket.

Fig. 25 is a three-dimensional view showing a state in which the reinforcing cage is mounted.

Fig. 26 is a plan view showing a state in which the reinforcing cage is mounted.

Fig. 27 is a three-dimensional view of the state with the movable frame removed.

Fig. 28 is a plan view of the movable frame with the movable frame removed.

Fig. 29 is a view of the double cantilever capping beam after it has been translated out of the bridge pier.

FIG. 30 is a view of a double cantilever capping beam after the entire double cantilever capping beam is translated out of the bridge pier and the movable frame is installed.

Detailed Description

An embodiment of a bent cap formwork support unit for double cantilever bent cap construction is further described with reference to the accompanying drawings.

Example 1

As shown in fig. 1 to 30, a double-cantilever bent cap construction system comprises a bent cap template support unit 1, a modularized bent cap template unit 2 and a jacking system 3; the modularized bent cap template unit 2 is detachably arranged on the bent cap template support unit 1; in this embodiment, the present double cantilever capping beam construction system is further configured with a planar universal translation system 4.

The jacking system 3 comprises a jacking cylinder 31, a plurality of standard support joints 32 and a plurality of attachment hoops 33; the standard support sections 32 are detachably connected in sequence from top to bottom, and the uppermost standard support section 32 is propped against the bent cap template support unit 1; the attaching anchor ear 33 is used for detachably locking the corresponding standard support joint 32 on the bridge pier column 04 which is constructed; one end of the jacking cylinder 31 is detachably arranged on the bent cap template support unit 1, and the other end of the jacking cylinder 31 is detachably arranged on the standard support section 32; by changing the number of the standard support sections 32 and connecting the jacking cylinders 31 with the standard support sections 32 at different height positions, the jacking cylinders 31 can drive the capping beam formwork support units 1 to move up and down along the bridge pier 04.

The jacking system 3 further comprises a plurality of adjusting support sections 34 with different lengths, and the adjusting support sections 34 are sequentially and detachably installed between the bent cap template support unit 1 and the uppermost standard support section 32 from top to bottom.

The double-cantilever bent cap construction system further comprises a drop block 35, wherein the drop block 35 is arranged between the bent cap template support unit 1 and the uppermost adjusting support section 34. As shown in fig. 11 and 12, the unloading block 35 is in an "h" shape, and includes an upper adjusting block 35, a lower adjusting block 36 and a middle adjusting block 37; the middle adjusting block 37 is provided with two blocks which are respectively arranged at the left side and the right side between the upper adjusting block 35 and the lower adjusting block 36; and the upper adjusting block 35, the lower adjusting block 36 and the two middle adjusting blocks 37 are contacted through inclined planes facing the center of the I shape, an adjusting screw 39 for adjusting the distance between the two middle adjusting blocks 37 is penetrated between the two middle adjusting blocks 37, and the opening and closing distance between the two middle adjusting blocks 37 is further adjusted by rotating the adjusting screw 39, so that the vertical distance between the upper adjusting block 35 and the lower adjusting block 36 is changed. When the two intermediate adjustment blocks 37 are separated, the vertical distance between the upper adjustment block 36 and the lower adjustment block 37 becomes smaller; when the two intermediate adjustment blocks 37 approach, the vertical distance between the upper adjustment block 36 and the lower adjustment block 37 becomes large. When the whole bent cap template support unit 1 needs to be lowered, the height of the unloading block 35 can be finely adjusted by arranging the unloading block 35, and the upper surface of the unloading block 35 is lowered by 2cm, so that the support joint 34 is more convenient to detach and adjust.

The bent cap template support unit 1 comprises a bent cap template support 11, wherein a sliding rail 12 is arranged on the bent cap template support 11, and a plurality of pulleys 13 which can slide along the sliding rail 12 are arranged on the sliding rail 12; the sled 13 may be used to load standard support sections 32, attachment anchors 33, adjustment support sections 34, or drop blocks 35.

The bent cap template bracket 11 is also provided with a detachable movable plate frame 14; the bent cap template support unit 1 further comprises a detachable reinforcing concave support 15 which is matched with the movable sheet frame 14 of the bent cap template support 11, wherein the reinforcing concave support 15 is provided with at least one abdication space for accommodating a corresponding bridge pier; the capping beam formwork support 11 and the modular capping beam formwork unit 2 can be moved out of or into the corresponding bridge pier 04 by alternately installing/removing the corresponding reinforcing female support 15 and the movable sheet frame 14.

When the bent cap template support 11 and the modularized bent cap template unit 2 need to be moved out of the bridge pier column 04 integrally, the reinforcing concave support 15 is firstly installed on the corresponding bent cap template support 11, then the corresponding movable sheet support 14 is disassembled, the bent cap template support 11 and the modularized bent cap template unit 1 can be moved away from the corresponding bridge pier column 04 integrally by using the yielding space of the reinforcing concave support 15, after the bent cap template support 11 and the modularized bent cap template unit 1 are moved in place, the corresponding movable sheet support 14 is installed, the corresponding reinforcing concave support 15 is disassembled, and the bent cap template support 11 and the modularized bent cap template unit 2 can be moved out of the corresponding bridge pier column 04 integrally;

When the bent cap template support 11 and the modularized bent cap template unit 2 need to be integrally moved into the bridge pier column 04, the corresponding bridge pier column 04 is firstly located in the yielding space of the corresponding reinforcing concave support 15, the reinforcing concave support 15 is installed on the corresponding bent cap template support 11, then the corresponding movable sheet frame 14 is detached, the bent cap template support 11 and the modularized bent cap template unit 2 can be moved by utilizing the yielding space of the reinforcing concave support 15 and integrally close to the corresponding bridge pier column 04, after the bent cap template support and the modularized bent cap template unit 2 are moved in place, the corresponding movable sheet frame 14 is installed, the corresponding reinforcing concave support 15 is detached, and the bent cap template support 11 and the modularized bent cap template unit 2 can be integrally moved into the corresponding bridge pier column 04.

The bent cap template support unit 1 is provided with a plurality of elastic guide wheels 16; when the jacking cylinder 31 drives the capping beam template support unit 1 to move up and down along the bridge pier column 04, the elastic guide wheels 16 roll along the surface of the bridge pier column 05 to guide the capping beam template support unit 1.

The modular capping beam template unit 2, as shown in fig. 15 to 17, includes a distribution beam 21, a bottom template 22, and a side template 23; the distribution beam 21 is detachably arranged on the bent cap template bracket unit 1; the bottom die plate 22 is mounted on the distribution beam 21; the side templates 23 are mounted on the distribution beam 21 and are respectively positioned at two sides of the bottom template 22; the modularized bent cap template units 2 are spliced with each other in sequence, and the head-to-tail modularized bent cap template units 2 are provided with baffles 5 to form a complete bent cap template 6. The modular bent cap form unit 2 may further comprise tie bars 24 at the top for tightening the two side forms 23.

The side template 23 is provided with a righting device which comprises a telescopic supporting rod 25, a rolling module 26 and a fixing device 27; the distributing beam 21 is made of double-groove steel, a plurality of mounting holes for mounting the fixing devices 27 are formed in the double-groove steel, and the fixing devices 27 can be fixed on the corresponding mounting holes of the double-groove steel according to requirements; one end of the telescopic supporting rod 25 is hinged with the side template 23, and the other end of the telescopic supporting rod 25 is hinged with the rolling module 26; the rolling module 26 can roll along the distribution beam 21, one end of the rolling module 26 is hinged with the side template 23, and the other end of the rolling module 26 is propped against the fixing device 27; the sideform 23 is slidable along the distribution beam 21 when not fixedly mounted to the distribution beam 21; the fixing device 27 is provided with a thread adjusting ejector rod 28, and the rolling module 26 can be jacked to move on the distribution beam 21 by rotating the thread adjusting ejector rod 28, so that the adjustment of the opposite side template 23 is realized.

The modular bent cap template unit 2 and the bent cap template support 11 are fixed by a fixing and clamping device 8, as shown in fig. 13 and 14, the fixing and clamping device 8 comprises a clamping plate 81, an upper clamping block 82 and a lower clamping block 83, the upper clamping block 82 and the lower clamping block 83 are respectively arranged at two ends of the clamping plate 81 in a penetrating manner, and fastening screws are respectively arranged between the upper clamping block 82 and the lower clamping block 83 in a penetrating manner. The upper clamping blocks 82 are pressed downwards on the channel steel of the distribution beam 21, and the lower clamping blocks 83 are pressed upwards on the steel structural section bar at the upper part of the bent cap template support 11, so that the modularized bent cap template unit 2 is fixed on the bent cap template support 11.

As shown in fig. 3, the working state of the bridge capping beam construction system is shown. In this embodiment, a base 08 is additionally configured, the base 08 is placed on the ground (in other embodiments, there may be a base, or a standard support joint may be directly installed after the ground is sufficiently hardened), and the bridge pier 04 is tensioned and held tightly by the threaded pull rod 07. The base 08 is sequentially provided with a connecting seat 09, a bottom adjusting support joint 34 and standard support joints 32, and each standard support joint 32 is tensioned on the bridge pier column 04 by a threaded pull rod 07 attached with a hoop 33 so as to be fixed. The bent cap template support unit 1 is arranged on the unloading block 35, and the side template 23 is arranged on the bent cap template support 11. The plane universal translation system 4 and the translation connecting bracket 7 are arranged on the ground and are used when in translation.

The working process of the double-cantilever bent cap construction system is as follows:

Step S1, as shown in FIG. 18, a low-level installation bent cap template support unit 1 and a modularized bent cap template unit 2

At the lower position of the bridge pier column 04, assembling a standard support joint 32, a jacking cylinder 31 and a corresponding attachment anchor ear 33 of the jacking system according to actual needs; the capping beam template bracket unit 1 is assembled; assembling the modularized bent cap template unit 2 on a bent cap template bracket 11; according to the actual requirement, the pulley 13 is loaded with a certain amount of standard support sections 32, attachment anchor ears 33, adjustment support sections 34 and unloading blocks 35;

step S2, as shown in FIGS. 19 to 22, climbing of the bent cap form support unit 1

S2a, lifting the lifting cylinder 31 for one stroke to drive the capping beam template support unit 1 to climb to a preset position along the bridge pier column 04; removing the standard support section 32 from the sled 13 and the corresponding attachment anchor 33; fixedly connecting the standard support joint 32 removed from the pulley 13 to the uppermost standard support joint 32 assembled, and locking the standard support joint on the bridge pier 04 through the corresponding attachment anchor hoop 33; the jacking cylinder 31 is retracted to enable the bent cap template support unit 1 to be temporarily supported on the current uppermost standard support section 32; the other end of the jacking cylinder 31 is detached from the lower standard support section 32, and after being reinstalled on the higher standard support section 32, the jacking cylinder 31 is jacked again to drive the capping beam template support unit 1 to climb upwards along the bridge pier column 04;

S2b, repeating the step S2a until the capping beam template support unit 1 is lifted to a preset position of the bridge pier, removing the adjusting support section 34 and/or the unloading block 35 from the pulley 13 according to actual needs, adjusting the capping beam template support unit 1 to the capping beam construction height, and performing capping beam construction at the current station;

Step S3, as shown in FIGS. 23 and 24, lowering of the bent cap form holder unit 1

S3a, after the construction of the capping beam at the current station is completed, the unloading block 35 and/or the adjusting support section 34 and/or the standard support section 32 are/is sequentially disassembled, and the standard support section 32 is sequentially disassembled from top to bottom and the capping beam template support unit 1 is driven to descend by sequentially changing the connection of the jacking cylinder 31 and the standard support sections 32 with different heights from top to bottom;

Step S4, as shown in FIGS. 25 to 30, the bent cap form holder unit 1 is moved to the next station

When the bent cap template support unit 1 descends to a set position, the bent cap template support unit is located on a universal translation system 4 on the ground; the method comprises the steps that a reinforcing concave support 15 is installed on a corresponding bent cap template support 11, then a corresponding movable sheet frame 14 is detached, the abdication space of the reinforcing concave support 15 can be utilized, a universal translation system 4 is adopted, the bent cap template support 11 and a modularized bent cap template unit 2 are moved to be integrally far away from bridge pier columns of the current station, after the bridge pier columns are moved in place, a corresponding movable sheet frame 14 is installed, the corresponding reinforcing concave support 15 is detached, and the bent cap template support 11 and the modularized bent cap template unit 2 are integrally moved out of bridge pier columns 04 of the current station;

when the bent cap template support 11 and the modularized bent cap template unit 2 are integrally moved into a bridge pier of the next station, the corresponding bridge pier 04 is firstly positioned in a yielding space of the corresponding reinforcing concave support 15, the reinforcing concave support 15 is installed on the corresponding bent cap template support 11, then the corresponding movable sheet frame 14 is disassembled, the bent cap template support 11 and the modularized bent cap template unit 2 can be moved by utilizing the yielding space of the reinforcing concave support 15 to enable the bent cap template support 11 and the modularized bent cap template unit 2 to integrally approach the corresponding bridge pier, after the bent cap template support and the modularized bent cap template unit 2 are moved in place, the corresponding movable sheet frame 14 is installed, the corresponding reinforcing concave support 15 is disassembled, and the bent cap template support 11 and the modularized bent cap template unit 2 can be integrally moved into the corresponding bridge pier of the next station so as to perform bent cap construction;

And (5) repeating the steps S2 to S4 until the whole bent cap construction is completed.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (2)

1. The utility model provides a bent cap template support unit that two cantilever bent cap construction were used which characterized in that: the device comprises a bent cap template support, wherein a sliding rail is arranged on the bent cap template support, and a plurality of pulleys capable of sliding along the sliding rail are arranged on the sliding rail; the sled may be used to load items; the bent cap template support is also provided with a detachable movable sheet frame; the bent cap template support unit also comprises a detachable reinforced concave support which is matched with the movable sheet frame of the bent cap template support for use, and the reinforced concave support is provided with at least one abdication space for accommodating a corresponding bridge pier; the cover beam template support can be integrally moved out of or into the corresponding bridge pier through alternately installing/detaching the corresponding reinforcing concave support and the movable sheet frame.

2. The bent cap template support unit for double-cantilever bent cap construction according to claim 1, wherein: the bent cap template support unit is provided with a plurality of elastic guide wheels; when the capping beam template support unit moves up and down along the bridge pier, the elastic guide wheels roll along the surface of the bridge pier to guide the capping beam template support unit.