CN217325052U - Construction system for bridge uniform-section hollow pier capping beam - Google Patents

Abstract

A construction system for a hollow pier capping beam with a uniform cross section of a bridge relates to a construction system. The utility model discloses a there is steel shotcrete construction work volume very big when solving the construction of current hollow mound bridge pier shaft bent cap of uniform cross-section, and is with high costs, and construction period is long, will handle the pier stud outward appearance after the bent cap construction moreover, takes a lot of work and takes time and still the difficult problem of guaranteeing quality. The utility model discloses a bent cap can be dismantled and assemble template (1), lower part pier shaft plate template (2), a plurality of positive and negative lead screw bracing (3) and bent cap work platform (4), lower part pier shaft plate template (2) are vertical arranges, bent cap can be dismantled and assemble template (1) ann on lower part pier shaft plate template (2), bent cap can be dismantled and assemble about template (1) both sides and ann have a plurality of positive and negative lead screw bracing (3) respectively, bent cap work platform (4) demountable installation can be dismantled on the bent cap can be dismantled and assemble the side end face of template (1). The utility model is used for the construction of hollow mound bent cap of cross-section such as bridge.

Description

Construction system for bridge uniform-section hollow pier capping beam

Technical Field

The utility model relates to a construction system, concretely relates to a construction system that is used for hollow mound bent cap of cross-section such as bridge for the bridge field of making.

Background

In the process of constructing the capping beam of the pier body of the constant-section hollow pier bridge, a triangular bracket is traditionally arranged on two sides of the pier body of a longitudinal bridge, and the bracket is connected with embedded parts of the pier body by pins. The longitudinal beam is laid on the triangular bracket, the scaffold and the working platform are arranged above the longitudinal beam, the square timber is laid on the top support and serves as the distribution beam, the bottom die is laid on the square timber for construction, the common defects are that a large amount of steel is consumed by the pre-buried steel plate, the steel support construction workload is large, the construction period is long, the pier stud appearance is processed after the bent cap construction is finished, the labor and the time are wasted, and the quality is difficult to guarantee. Therefore, the key to solve the problem is how to improve the quality of the capping beam while reducing the overhead working time under the condition of not influencing the appearance of the pier stud in the large-scale construction process in the construction process of the constant-section hollow pier capping beam.

In conclusion, the existing capping beam construction of the pier body of the constant-section hollow pier bridge has the problems of large steel support construction workload, high cost, long construction period time, labor and time consumption and difficulty in quality guarantee due to the fact that the appearance of the pier column needs to be processed after the capping beam construction is finished.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that there is steel shotcrete construction work load very big when having the hollow mound bridge pier shaft bent cap construction of current uniform cross-section, with high costs, construction period is long, will handle the pier stud outward appearance after the bent cap construction has been accomplished moreover, takes a lot of work and takes time and still difficult assurance quality. Further provides a construction system for the bridge constant-section hollow pier capping beam.

The technical scheme of the utility model is that: the utility model provides a construction system for hollow mound bent cap of bridge uniform cross-section, can dismantle including the bent cap and assemble template, lower part pier shaft plate mould, a plurality of positive and negative lead screw bracing and bent cap work platform, the lower part pier shaft plate mould is vertical arranges, the bent cap can be dismantled and assemble the template and install on lower part pier shaft plate mould, a plurality of positive and negative lead screw bracing are installed respectively to the left and right sides that the template can be dismantled to the bent cap, bent cap work platform demountable installation can be dismantled on the side end face of assembling the template can be dismantled to the bent cap.

Further, the bent cap can be dismantled and assemble template includes first concatenation module, second concatenation module, two third concatenation modules, fourth concatenation module, fifth concatenation module and a plurality of diagonal draw bar, and first concatenation module, second concatenation module, two third concatenation modules, fourth concatenation module and fifth concatenation module can be dismantled in proper order from left to right and connect formation module frame, just the module frame left and right sides is the hypotenuse to the slope of lower pier shaft flat slab template side, install a plurality of diagonal draw bars on the hypotenuse.

Further, the module frame is inclined by 2 ° from left to right and upward to the right.

Furthermore, the number of the plurality of diagonal draw bars is 4-16.

Further, first concatenation module, the second concatenation module, two third concatenation modules, the fourth concatenation module is the same with the structure of fifth concatenation module, wherein, the third concatenation module includes the panel, many perpendicular muscle, many horizontal muscle, two stupefied and two flanges of back of the body, the left and right sides at the panel is installed respectively to two flanges, many horizontal muscle from top to bottom in proper order equidistant parallel mount on the panel, many perpendicular muscle are vertical equidistant to be installed on the upper portion and the lower part of panel, two third concatenation modules are vertical to be installed on the panel.

Furthermore, the diagonal draw bar comprises a bar body, two mounting seats and two first mounting lugs, the bar body is detachably mounted on the oblique edge of the module frame, the two mounting seats are respectively mounted on the bar body, and each mounting seat is provided with one first mounting lug.

Further, lower part pier shaft plate formwork includes support body, two connecting rods and mounting bracket, and the left and right sides at the support body is installed respectively to two connecting rods, and the mounting bracket is installed in the upper end of support body, and the up end of mounting bracket inclines 2 to the upper right.

Further, the connecting rod includes link, two I-steel and two second installation ears, and the link is vertical to be installed on the support body, and two I-steel are installed on the link from top to bottom, install a second installation ear on every I-steel, connect through positive and negative lead screw bracing between second installation ear and the first installation ear.

Furthermore, positive and negative lead screw bracing includes diagonal brace and two lead screws, and the direction of turning soon of two lead screws is opposite, and the both ends at diagonal brace length direction are twisted respectively to the one end of two lead screws.

Further, bent cap work platform includes platform support and platform fender, and platform support horizontal installation is on module frame, and the platform is protected and is kept off vertical installation on platform support, platform support is the triangle-shaped support.

Compared with the prior art, the utility model has the following effect:

1. the utility model does not need to arrange embedded parts on the pier stud, does not affect the appearance of the pier stud, saves the processing time of the embedded parts, and has small workload and low production cost;

2. the utility model has low loss in the template turnover process, and is convenient for large-scale construction when the size of the template is determined;

3. the utility model discloses a bent cap template construction facility is all processed by the template processing factory, saves on-the-spot engineering time greatly, improves on-the-spot efficiency of construction and construction quality;

4. the utility model can reduce the risk, reduce the setting up and dismantling processes of on-site supports, scaffolds and the like, and reduce the time of high-altitude operation;

5. the utility model discloses can improve the quality, process in the template processing factory, do benefit to quality and precision and promote greatly.

Drawings

Fig. 1 is a front view of the overall structure of the present invention, fig. 2 is a rear view of fig. 1, fig. 3 is a front view of a third splice module, fig. 4 is a side view of fig. 3, fig. 5 is a top view of fig. 3, fig. 6 is an isometric view of a diagonal draw bar, and fig. 7 is a front view of a diagonal brace of a positive and negative lead screw. Fig. 8 is a schematic view of the capping work platform 4.

Detailed Description

The technical scheme of the utility model is not limited to the specific implementation modes listed below, and also comprises any reasonable combination between the specific implementation modes.

The first specific implementation way is as follows: the embodiment is described with reference to fig. 1 to 8, and comprises a bent cap detachable assembly template 1, a lower pier body flat plate template 2, a plurality of positive and negative lead screw inclined struts 3 and a bent cap working platform 4, wherein the lower pier body flat plate template 2 is vertically arranged, the bent cap detachable assembly template 1 is installed on the lower pier body flat plate template 2, the left side and the right side of the bent cap detachable assembly template 1 are respectively provided with the positive and negative lead screw inclined struts 3, and the bent cap working platform 4 is detachably installed on the side end face of the bent cap detachable assembly template 1.

The construction of the bent cap of the embodiment adopts an integral shaping steel mould, and the panel of the detachable assembled template 1 of the bent cap adopts a 6mm steel plate; the transverse back ribs adopt 10# channel steel, and the distance is 300 mm; the vertical back ridges are double 14-number channel steel, the distance is 1000mm, each back ridge is provided with a phi 25mm pull rod one way up and down, and the positive and negative screw rod inclined struts 3 are phi 102 x 6 seamless steel pipes.

The installation process is that 1.5m supporting plane templates 3 are installed (the residual 2m templates of the pier body are used as supporting 1.5m section templates), the joints of the bent cap working platform 4 and the bent cap detachable assembled templates 1 are locked and fixed, the working platform guard 4-2 is installed, then the assembled bottom die is installed in place by a crane, and a measurer measures the elevation of the bottom die and adjusts the elevation to the designed elevation and then fixes the bottom die. Because the template is a side ladle bottom, the side die is directly placed on the edge of the bottom plate, and the side die is hoisted from the other end to the other end during installation, and the joint of the lower opening of the side die and the bottom plate is locked by bolts. The upper opening of the template is connected by adopting a counter pull rod and a steel pipe sleeve, the size of the upper opening of the template is controlled by controlling the upper opening of the template by using the pull rod as the upper opening of a locking template and the steel pipe sleeve as an inner support of the template (the counter pull rod penetrates into the steel pipe sleeve to be connected and locked with the positioning channel steel of the upper opening of the side template). And after the concrete pouring is finished, removing the template according to the principle that the template is removed after being installed and then removed.

The second embodiment is as follows: the embodiment is described with reference to fig. 3 to 5, the capping beam detachable assembled formwork 1 of the embodiment includes a first assembled module 1-1, a second assembled module 1-2, two third assembled modules 1-3, a fourth assembled module 1-4, a fifth assembled module 1-5 and a plurality of diagonal rods 1-6, the first assembled module 1-1, the second assembled module 1-2, the two third assembled modules 1-3, the fourth assembled module 1-4 and the fifth assembled module 1-5 are sequentially detachably connected from left to right to form a modular frame, the left side and the right side of the modular frame are oblique edges inclined to the side of the lower pier body slab formwork 2, and the oblique edges are provided with 4-8 diagonal rods 1-6. So set up, be convenient for prefabricate, and simple to operate. Other components and connections are the same as those in the first embodiment.

The third concrete implementation mode: the module frame of the embodiment is inclined by 2 degrees from left to right and upwards, so that the module frame can be quickly assembled and has small damage to the appearance. Other components and connection relationships are the same as those in the first or second embodiment.

The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 1 to 3, and the number of the plurality of diagonal members 1 to 6 in the present embodiment is 4 to 16. In actual use, according to actual conditions, each inclined edge of the module frame is provided with at least 6 diagonal draw bars 1-6, wherein 3 long diagonal draw bars 1-6 and 3 short diagonal draw bars 1-6. So set up, be convenient for guarantee to module frame's support intensity. Other components and connection relations are the same as those of any one of the first to third embodiments.

The fifth concrete implementation mode is as follows: the embodiment is described with reference to fig. 1, fig. 2 and fig. 7, and the first splicing module 1-1, the second splicing module 1-2, the two third splicing modules 1-3, the fourth splicing module 1-4 and the fifth splicing module 1-5 of the embodiment have the same structure, wherein the third splicing module 1-3 comprises a panel 1-3-1, a plurality of vertical ribs 1-3-2, a plurality of transverse ribs 1-3-3, two back ridges 1-3-4 and two flanges 1-3-5, the two flanges 1-3-5 are respectively installed on the left and right sides of the panel 1-3-1, the plurality of transverse ribs 1-3-3 are sequentially installed on the panel 1-3-1 at equal intervals in parallel from top to bottom, the plurality of vertical ribs 1-3-2 are vertically installed on the upper and lower parts of the panel 1-3-1 at equal intervals, two third mosaic modules 1-3 are vertically mounted on the panel 1-3-1. So set up, be convenient for manufacture, sound construction. Other components and connection relations are the same as those of any one of the first to fourth embodiments.

The sixth specific implementation mode: the embodiment is described with reference to fig. 1, fig. 2 and fig. 7, the diagonal draw bar 1-6 of the embodiment includes a bar body 1-6-1, two installation bases 1-6-2 and two first installation lugs 1-6-3, the bar body 1-6-1 is detachably installed on the oblique edge of the module frame, the two installation bases 1-6-2 are respectively installed on the bar body 1-6-1, and each installation base 1-6-2 is installed with one first installation lug 1-6-3. The arrangement is convenient for installing the diagonal draw bars 1-6. Other components and connection relations are the same as those of any one of the first to fifth embodiments.

The seventh embodiment: the embodiment is described with reference to fig. 1, a lower pier body flat plate formwork 2 of the embodiment comprises a frame body 2-1, two connecting rods 2-2 and an installation frame 2-3, wherein the two connecting rods 2-2 are respectively installed at the left side and the right side of the frame body 2-1, the installation frame 2-3 is installed at the upper end of the frame body 2-1, and the upper end of the installation frame 2-3 is inclined by 2 degrees upwards and rightwards. So set up, be convenient for make hollow pier. Other components and connection relations are the same as those of any one of the first to sixth embodiments.

The specific implementation mode is eight: the embodiment is described with reference to fig. 1, a connecting rod 2-2 of the embodiment comprises a connecting frame 2-2-1, two i-beams 2-2-2 and two second mounting lugs 2-2-3, the connecting frame 2-2-1 is vertically mounted on the frame body 2-1, the two i-beams 2-2 are mounted on the connecting frame 2-2-1 from top to bottom, each i-beam 2-2-2 is provided with one second mounting lug 2-2-3, and the second mounting lug 2-2-3 is connected with the first mounting lug 1-6-3 through a positive and negative screw rod inclined strut 3. So set up, simple structure not only realizes connecting, has still strengthened the structural strength of lower part pier shaft flat plate formwork 2. Other components and connection relations are the same as those of any one of the first to seventh embodiments.

The specific implementation method nine: referring to fig. 7, the front and back screw rod diagonal brace 3 of the present embodiment includes a diagonal brace 3-1 and two screw rods 3-2, the rotation directions of the two screw rods 3-2 are opposite, and one ends of the two screw rods 3-2 are respectively screwed at two ends of the diagonal brace 3-1 in the length direction. So set up, simple structure realizes the flexible of fine setting when being convenient for install. Other components and connection relationships are the same as those in any one of the first to eighth embodiments.

The detailed implementation mode is ten: the embodiment is described with reference to fig. 1, the bent cap working platform 4 of the embodiment includes a platform support 4-1 and a platform guard 4-2, the platform support 4-1 is horizontally installed on the module frame, the platform guard 4-2 is vertically installed on the platform support 4-1, and the platform support 4-1 is a triangular support. So set up, because bent cap work platform 4's mounted position can be dismantled and assemble template 1 on adjustable at the bent cap, so, according to the dismouting of going up in the vertical direction of actual need, it is nimble to use, and is convenient, and triangle-shaped support is more stable and safe. Other components and connection relationships are the same as those in any one of the first to ninth embodiments.

The working principle of the present invention is explained with reference to fig. 1 to 8:

when the bent cap is under construction, the utility model discloses formwork device utilizes pier shaft template as braced system, and the pier shaft construction is accomplished the back, stays a lesson template as the support, forms with the butt joint of plane template, and positive and negative silk down tube joint braced system and bent cap die block need not additionally set up the scaffold system, and bent cap construction facility is whole to be accomplished at processing factory processing, assembles on-the-spot, saves construction cycle and precision height.

The utility model does not need to arrange embedded parts on the pier stud, and can not affect the appearance of the pier stud; the loss in the template turnover process is low; the on-site construction time is saved, and the on-site construction efficiency and the construction quality are improved; the construction risk is reduced, and the field high-altitude operation time is shortened.

While the foregoing has described only the preferred embodiments of the present invention, it is not intended to limit the invention to the particular embodiments described, and modifications and equivalents of the features and embodiments of the invention may be resorted to without departing from the spirit of the invention and the scope of the appended claims.

Claims (10)

1. The utility model provides a construction system that is used for hollow mound bent cap of bridge uniform cross-section which characterized in that: it comprises a detachable assembling template (1) of a bent cap, a lower pier body flat template (2), a plurality of positive and negative screw rod inclined struts (3) and a bent cap working platform (4),

the lower pier shaft flat plate formwork (2) is vertically arranged, the bent cap can be disassembled and assembled to form plates (1) and is installed on the lower pier shaft flat plate formwork (2), the bent cap can be disassembled and assembled to form plates (1), a plurality of positive and negative screw rod inclined struts (3) are respectively installed on the left side and the right side of the bent cap, and the bent cap working platform (4) can be disassembled and installed on the side end face of the bent cap which can be disassembled and assembled to form plates (1).

2. The construction system for the hollow pier capping beam with the uniform section of the bridge according to claim 1, wherein: the bent cap detachable assembled formwork (1) comprises a first assembled module (1-1), a second assembled module (1-2), two third assembled modules (1-3), a fourth assembled module (1-4), a fifth assembled module (1-5) and a plurality of diagonal rods (1-6), wherein the first assembled module (1-1), the second assembled module (1-2), the two third assembled modules (1-3), the fourth assembled module (1-4) and the fifth assembled module (1-5) are sequentially detachably connected from left to right to form a module frame, the left side and the right side of the module frame are oblique edges inclining to the side of the lower pier body slab formwork (2), and the oblique edges are provided with the plurality of diagonal rods (1-6).

3. The construction system for the hollow pier capping beam with the uniform section of the bridge according to claim 2, wherein: the module frame is inclined by 2 degrees from left to right and upwards.

4. The construction system for the constant-section hollow pier cap beam of the bridge according to claim 1 or 3, wherein: the number of the plurality of diagonal draw bars (1-6) is 4-16.

5. The construction system for the hollow pier cap beam with the uniform section of the bridge according to claim 4, wherein: the first splicing module (1-1), the second splicing module (1-2), the two third splicing modules (1-3), the fourth splicing module (1-4) and the fifth splicing module (1-5) have the same structure,

wherein the third splicing module (1-3) comprises a panel (1-3-1), a plurality of vertical ribs (1-3-2), a plurality of transverse ribs (1-3-3), two back edges (1-3-4) and two flanges (1-3-5),

two flanges (1-3-5) are respectively arranged at the left side and the right side of a panel (1-3-1), a plurality of transverse ribs (1-3-3) are sequentially arranged on the panel (1-3-1) in parallel at equal intervals from top to bottom, a plurality of vertical ribs (1-3-2) are vertically arranged at the upper part and the lower part of the panel (1-3-1) at equal intervals, and two third splicing modules (1-3) are vertically arranged on the panel (1-3-1).

6. The construction system for the hollow pier cap beam with the uniform section of the bridge according to claim 5, wherein: the diagonal draw bar (1-6) comprises a bar body (1-6-1), two mounting seats (1-6-2) and two first mounting lugs (1-6-3), wherein the bar body (1-6-1) is detachably mounted on the oblique edge of the module frame, the two mounting seats (1-6-2) are respectively mounted on the bar body (1-6-1), and each mounting seat (1-6-2) is provided with one first mounting lug (1-6-3).

7. The construction system for the hollow pier cap beam with the uniform section of the bridge according to claim 6, wherein: the lower pier body flat plate formwork (2) comprises a frame body (2-1), two connecting rods (2-2) and an installation frame (2-3), wherein the two connecting rods (2-2) are respectively installed on the left side and the right side of the frame body (2-1), the installation frame (2-3) is installed at the upper end of the frame body (2-1), and the upper end face of the installation frame (2-3) inclines upwards and rightwards by 2 degrees.

8. The construction system for the hollow pier capping beam with the uniform section of the bridge according to claim 7, wherein: the connecting rod (2-2) comprises a connecting frame (2-2-1), two I-shaped steels (2-2-2) and two second mounting lugs (2-2-3), the connecting frame (2-2-1) is vertically mounted on the frame body (2-1), the two I-shaped steels (2-2-2) are mounted on the connecting frame (2-2-1) from top to bottom, each I-shaped steel (2-2-2) is provided with one second mounting lug (2-2-3), and the second mounting lugs (2-2-3) are connected with the first mounting lugs (1-6-3) through positive and negative screw rod inclined struts (3).

9. The construction system for the hollow pier capping beam with the uniform section of the bridge according to claim 8, wherein: the positive and negative screw rod inclined strut (3) comprises an inclined strut (3-1) and two screw rods (3-2), the rotating directions of the two screw rods (3-2) are opposite, and one ends of the two screw rods (3-2) are respectively screwed at two ends of the inclined strut (3-1) in the length direction.

10. The construction system for the hollow pier capping beam with the uniform section of the bridge according to claim 9, wherein: the bent cap working platform (4) comprises a platform support (4-1) and a platform guard (4-2), the platform support (4-1) is horizontally arranged on the module frame, the platform guard (4-2) is vertically arranged on the platform support (4-1), and the platform support (4-1) is a triangular support.

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