CN114457694A

CN114457694A - Bridge climbing type formwork and construction method

Info

Publication number: CN114457694A
Application number: CN202210188562.8A
Authority: CN
Inventors: 肖权伟; 郭晓江; 陈芹; 黄代刚
Original assignee: Chongqing Traffic Engineering Supervision Consulting Co ltd
Current assignee: Chongqing Traffic Engineering Supervision Consulting Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-05-10
Anticipated expiration: 2042-02-28
Also published as: CN114457694B

Abstract

The utility model relates to a bridge climbing formula template and construction method relates to the technical field of bridge construction, including the template system, be provided with pre-buried device on the template system, pre-buried device includes: the climbing cone is pressed on the side wall of the template system close to one side of the pouring cavity and is detachably connected with the template system through a pre-buried screw rod; the embedded plate is detachably connected with the climbing cone through a high-strength screw rod. This application forms the pouring chamber through the cooperation of a plurality of template systems, and the concrete adds the pouring intracavity, then dismantles pre-buried screw rod and dismantles the template system, then moves the template system upward, after with the template system with climb awl fixed connection, then continue to add the concrete to this realizes that the successive layer pouring forms, climb for the strong point with this awl that lies in the concrete, consequently shortened the time that the concrete construction was spent, improved the efficiency of construction of concrete.

Description

Bridge climbing type formwork and construction method

Technical Field

The application relates to the technical field of bridge construction, in particular to a climbing type formwork for a bridge and a construction method.

Background

When the lower part of the bridge is higher, the bridge is generally designed into a high pier, the construction of the high pier must ensure that more construction time is provided for the suspension casting of the upper box girder during the overturning and sliding construction, the construction period of the high pier has a large influence on the whole construction period, and the concrete pouring is carried out on the concrete construction of the high pier through a template system.

The climbing formwork is an effective formwork system of a reinforced concrete structure of a shear wall system and a barrel system in engineering construction, is often applied to high-rise buildings and high-volume structure construction and is widely popularized and applied in all countries in the world, and the climbing formwork is a formwork process integrating the processes and the characteristics of a large formwork and a sliding formwork and has the common advantages of the large formwork and the sliding formwork.

The climbing support point of the existing climbing formwork is generally realized by depending on a pre-buried screw in concrete, and after the pre-buried screw is used, a tool is required to cut the exposed end of the pre-buried screw, so that the construction process is troublesome, the time spent in concrete construction is increased, and the efficiency of concrete construction is reduced.

Disclosure of Invention

In order to improve the efficiency of concrete construction, the application provides a climbing type formwork for a bridge and a construction method.

In a first aspect, the application provides a bridge climbing formwork, which adopts the following technical scheme:

the utility model provides a bridge climbing formula template, includes a plurality of template systems, a plurality of the cooperation of template system forms the pouring cavity of pouring concrete, vertical interval is provided with a plurality of pre-buried devices that are used for climbing on the template system, pre-buried device includes:

the climbing cone is pressed on the side wall of the formwork system close to one side of the pouring cavity and is detachably connected with the formwork system through a pre-buried screw rod, and the climbing cone is in a circular truncated cone shape, and the diameter of one end close to the formwork system is larger than that of one end far away from the formwork system;

the embedded plate is detachably connected with the climbing cone through a high-strength screw rod.

By adopting the technical scheme, the plurality of template systems are matched to form a pouring cavity, concrete is added into the pouring cavity, the vibrator vibrates the concrete, when the concrete is solidified and needs to be disassembled, the embedded screw rods are disassembled to disassemble the template systems, then the template systems are moved upwards, then the template systems are fixedly connected with the creeping cones, and then the concrete is continuously added and vibrated, so that the concrete is poured layer by layer, and the creeping cones in the concrete are taken as supporting points to climb, so that the time spent in concrete construction is shortened, and the construction efficiency of the concrete is improved; and the pouring and the vibrating are carried out in layers, so that the vibrating effect is improved, and the pouring quality of the concrete is improved.

When the climbing cone is not needed, the climbing cone is taken down by using a tool for recycling, and then the hole in the concrete is repaired, so that the material loss during concrete construction is saved, and the resource is saved; and climb the awl and be the round platform form to improve the convenience when taking out and climb the awl, saved the time of taking out and climbing the awl, the pre-buried board is connected through high-strength screw rod and climbing the awl simultaneously, thereby has saved the time of assembling pre-buried device cost, has further improved the efficiency of construction of concrete with this.

Optionally, two opposite template systems are connected together by a fixing device, and the fixing device includes:

the two conical joints are respectively abutted against the side walls of the opposite sides of the two template systems and detachably connected together through a connecting screw rod, and the conical joints are in a circular truncated cone shape, and the diameter of one end close to the template systems is larger than that of the other end far away from the template systems;

the two fixing screws respectively penetrate through the two template systems and are in threaded connection with the two conical joints;

the two fixed gaskets are respectively sleeved on the two fixed screw rods;

and the two fixing nuts are respectively in threaded connection with the two fixing screw rods, and the fixing gasket is tightly abutted on the template system to position the fixing screw rods.

By adopting the technical scheme, the two conical joints are in threaded connection with the two ends of the connecting screw rod, then the two conical joints are abutted to the side wall of the opposite side of the two template systems, then the fixing screw rod penetrates through the template systems to be in threaded connection with the conical joints, the fixing gasket is sleeved on the fixing screw rod, then the fixing nut is in threaded connection with the fixing screw rod, the fixing nut is screwed to be abutted against the fixing gasket, the fixing gasket is abutted against the template systems, then the fixing gasket and the fixing nut which are positioned on the other fixing screw rod are installed by the same method, so that the two template systems are fixedly connected together, and then other multiple template systems are fixedly connected together by the same method, therefore, the probability of displacement of the template systems during concrete pouring and vibrating is reduced, and the quality of concrete is improved.

Meanwhile, the fixing device is simple in structure, so that the time spent on mounting the fixing device is saved, the time spent on the construction process is further saved, the conical joint can be disassembled when the conical joint is not needed, the material loss is saved, the time spent on disassembling the conical joint is saved due to the round platform-shaped structure of the conical joint, the holes in the concrete are repaired after the conical joint is disassembled, the time spent on concrete construction is saved, and the construction efficiency of the concrete is improved while the quality of the concrete is improved.

Optionally, the template system includes:

the supporting frame is detachable on the ground through an expansion bolt;

the sliding seat is mounted on the support frame in a sliding manner along the direction close to or far away from the pouring cavity;

the back edge is arranged on the sliding seat;

the base templates are arranged on the back edges in a sliding mode along the direction close to or far from the ground, the bottom ends of the base templates abut against the ground, the base templates are matched to form a pouring cavity, and the fixing device and the pre-embedding device are both located on the base templates;

the lifting electric push rod is arranged on the back ridge and is connected with the basic template;

the movable electric push rod is arranged on the support frame and is connected with the sliding seat;

the connection supporting component is detachably arranged on the climbing cone, the connection supporting component and the supporting frame are detachably connected with the basic template, and the connection supporting component is used for supporting the supporting frame and the basic template which are separated from the ground.

By adopting the technical scheme, the support frame is fixedly installed on the ground through the expansion bolts, the bottom ends of the basic formworks are abutted against the ground, the demoulding agent is coated on the basic formworks, the embedded devices are installed on the basic formworks, then the two opposite basic formworks are fixedly connected together through the fixing devices, so that the basic formworks are matched to form a pouring cavity, and then concrete is poured into the pouring cavity and vibrated;

when the foundation formwork needs to be removed after the concrete is solidified, the embedded screw and the fixed screw are removed, then the electric push rod is moved to start and drive the sliding seat and the foundation formwork to be away from the concrete, then the foundation formwork is cleaned and then the release agent is coated, then the piston rod of the lifting electric push rod extends to drive the foundation template to move upwards to the position above the pre-buried device in the concrete, then the electric push rod is moved to start to drive the foundation template to be close to the concrete and to be abutted against the concrete, then the connecting and supporting component is arranged on the climbing cone and supported on the foundation template, then the connecting and supporting component is fixedly connected with the basic template, then the piston rod of the lifting electric push rod retracts to drive the supporting frame to move upwards, and then the connecting and supporting component supports the supporting frame, and finally the connecting and supporting component is fixedly connected with the supporting frame, so that the climbing of the template system is realized.

Then install pre-buried device and fixing device, and the joint support subassembly is fixed mounting bracket and basic template, consequently continue to pour into a mould and vibrate the concrete, and when need climb the formwork system once more, will dismantle joint support subassembly and basic template earlier, then the action of repeated climbing, and when needing the support frame to remove, dismantle joint support subassembly and mounting bracket earlier, the action of continuing to climb, thereby improved the convenience that the formwork system climbed, the time of spending when having saved the formwork system climbs, consequently, the efficiency of construction of concrete has been improved.

Optionally, the connection support assembly includes:

the supporting plate is detachably connected with the creeping cone through a supporting screw and is supported on the lower surface of the basic template;

the sliding plate is arranged on the supporting plate in a sliding mode and can be supported on the lower surface of the supporting frame;

the first screw rod and the second screw rod are respectively in threaded connection with the supporting plate and the sliding plate and in threaded connection with the basic template and the supporting frame.

Through adopting above-mentioned technical scheme, with the backup pad through supporting screw fixed mounting climb on the awl, and the backup pad supports on basic template lower surface, then with first screw rod threaded connection to basic template on, and move the back on the support frame, the pulling slide plate removes and makes the slide plate support on the mounting bracket lower surface, then with second screw rod threaded connection to the support frame, support fixedly to basic template and mounting bracket with this, and the support frame is located and demolishs joint support subassembly and support frame when subaerial, consequently, the stability of formwork system after climbing has been improved, the pouring quality of concrete has been improved.

Optionally, the stupefied one end of back of the body rotates through the pivot to be set up on the seat that slides, it carries out the positioner who fixes a position to the stupefied back of the body to be provided with on the seat that slides, positioner includes:

the positioning sliding block is arranged on the back ridge in a sliding mode and is in threaded connection with a positioning screw tightly abutted to the back ridge;

the two ends of the positioning inclined strut are respectively and rotatably connected with the positioning sliding block and the sliding seat;

and the positioning display assembly is arranged on the sliding seat and is used for positioning the rotating shaft and displaying the angle of the basic template.

Through adopting above-mentioned technical scheme, twist and move set screw and keep away from the back of the body stupefied, then unblock location display module is to the locking of countershaft, it drives basic template rotation to rotate back of the body stupefied, and location display module shows the angle of back of the body stupefied and basic template, after rotating the appointed angle, location display module starts to lock the countershaft, then twist and move set screw and support tightly and fix a position basic template on the back of the body stupefied, therefore basic template can adapt to and pour to the concrete of different angles, the accommodation of basic template has been improved, and location display module and set screw are fixed a position basic template simultaneously, thereby improved the stability of basic template, the quality of concrete has been improved, thereby also improved the quality when concrete pouring when improving basic template accommodation.

Optionally, the last circling of seat of sliding shaft axis circumference array is provided with the scale mark, the location display module includes:

the positioning gear is arranged on the rotating shaft;

the positioning insertion block is arranged on the sliding seat in a sliding mode, is inserted into the positioning gear and is provided with a threaded groove;

the positioning screw rod is rotatably arranged on the sliding seat and is in threaded connection with the thread groove;

and the positioning pointer is arranged on the rotating shaft and points to the scale mark to display the angle of the basic template.

Through adopting above-mentioned technical scheme, twist and move the positioning screw and drive the location inserted block and keep away from the location gear for the location inserted block supports tightly to fix a position on the constant head tank, to the locking of this kind of unblock counter shaft, and the stupefied rotation of carrying on the back drives the location pointer and rotates, location pointer and scale mark cooperation show the stupefied angle with basic template of carrying on the back, and basic template angle modulation accomplishes the back, twist and move the positioning screw and drive the location inserted block grafting installation and support tightly to the positioning gear on, realize locking the counter shaft with this and show the angle of basic template simultaneously.

Optionally, the last cover of connecting screw is equipped with and supports the first protection tube that presses on two taper joint, the last cover of high strength screw is equipped with and supports the second protection tube that presses on pre-buried board and climb the awl, all be provided with warning line on the screw both ends that excels in, screw threaded connection excels in and climbs the awl and go up back warning line position and climb in the awl.

Through adopting above-mentioned technical scheme, first protection tube protects connecting screw, and the second protection tube protects high-strength screw, consequently keeps apart high-strength screw and connecting screw and concrete, and consequently high-strength screw and connecting screw can both be dismantled and get off and recycle using the completion of using, have consequently saved the loss of material, have also saved the time of spending when dismantling moreover to the efficiency of construction of concrete has also further been improved simultaneously in the loss of save material. And the first protection pipe limits the size of the concrete, so that the probability of the size deviation of the concrete is reduced, and the quality of the concrete is improved.

Optionally, regular hexagon and the inserting groove for inserting the inner hexagon wrench are formed in the climbing cone and the conical joint.

Through adopting above-mentioned technical scheme, insert the inserting groove with the allen key in, then can rotate allen key and be used for dismantling and climb awl and conical joint to the time of spending when having saved the dismantlement has consequently improved the efficiency of construction of concrete.

In a second aspect, the present application provides a construction method for a climbing form of a bridge, which adopts the following technical scheme:

a construction method of a climbing formwork for a bridge comprises the following construction steps:

s1, installing a template system, namely installing the support frame on the ground, enabling the basic templates to abut against the ground, fixedly installing the embedded device on the basic templates, and fixedly connecting the two opposite basic templates together through the fixing device so as to fixedly install a plurality of template systems, so that the basic templates are matched to form a pouring cavity for pouring concrete;

s2, pouring concrete, pouring the concrete into the pouring cavity, and then vibrating and tamping the concrete;

s3, the template climbing system is that a fixing screw and a pre-buried screw are removed, a lifting electric push rod drives a basic template to move upwards, a connecting and supporting component is installed to support and fix the basic template, then the lifting electric push rod drives a supporting frame to move upwards, then the connecting and supporting component is fixedly connected with the supporting frame, climbing of the template system is achieved, and when the basic template and the supporting frame need to be moved subsequently, the basic template and the supporting frame need to be detached from the connecting and supporting component;

s4, repeating S2 and S3, and repeating the concrete pouring and the climbing formwork system, so as to realize the concrete pouring;

and S5, dismantling and repairing, namely dismantling the connecting support component, the climbing cone, the fixing screw rod, the cone joint and the fixing screw rod which are not required to be reused through tools so as to recycle, and then repairing the residual hole.

By adopting the technical scheme, a template system is installed, then the embedded device and the fixing device are installed, then concrete is poured and vibrated, then the fixing screw and the embedded screw are removed, the lifting electric push rod is started to drive the foundation template to move upwards, and then the connecting and supporting assembly is fixedly connected with the foundation template so as to support and fix the foundation template; the lifting electric push rod is started to drive the support frame to move upwards, the connecting and supporting assembly and the support frame are fixedly connected, climbing of the formwork system is achieved, then the embedded device and the fixing device are continuously installed, construction efficiency of concrete is improved, the connecting and supporting assembly, the climbing cone, the fixing screw rod, the conical joint and the fixing screw rod are dismantled and recycled, and loss of materials is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

form the pouring chamber through the cooperation of a plurality of template systems, the concrete adds the pouring intracavity, then dismantles pre-buried screw rod and dismantles the template system, then moves the template system upward, after that with the template system with climb awl fixed connection, then continue to add the concrete to this realizes that the successive layer is poured and is formed, climbs for the strong point with this awl that is located the concrete and climbs, has consequently shortened the time that the concrete construction spent, has improved the efficiency of construction of concrete.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic structural diagram of the template system of the present application;

FIG. 3 is a schematic view of the positioning display assembly of the present application;

FIG. 4 is a schematic structural diagram of a fixing device and an embedding device in the present application;

FIG. 5 is a partial exploded view of the fastening device of the present application;

FIG. 6 is a partial exploded view of the embedment device of the present application;

fig. 7 is a schematic structural view of the connection support assembly of the present application.

Reference numerals: 1. a template system; 11. a support frame; 12. a sliding seat; 121. positioning seats; 122. scale lines; 123. positioning a groove; 13. back corrugation; 14. a base template; 15. lifting the electric push rod; 16. moving the electric push rod; 17. a rotating shaft; 18. a pouring cavity; 2. connecting the support component; 21. a support plate; 22. a slide plate; 23. a first screw; 24. a second screw; 25. a support screw; 3. a positioning device; 31. positioning the sliding block; 311. a set screw; 312. a first positioning shaft; 313. a second positioning shaft; 32. positioning an inclined strut; 33. positioning the display assembly; 34. positioning a gear; 35. positioning the insert block; 36. positioning a screw rod; 37. positioning a pointer; 4. a fixing device; 41. a tapered joint; 411. connecting a screw rod; 42. fixing the screw rod; 43. fixing a gasket; 44. fixing a nut; 45. connecting grooves; 451. inserting the groove; 46. a first protective tube; 5. pre-burying a device; 51. climbing a cone; 511. mounting grooves; 512. inserting grooves; 52. pre-burying a plate; 53. a high-strength screw; 54. a second protection tube; 55. and (4) pre-burying a screw.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a climbing type formwork for a bridge.

Referring to fig. 1, the climbing formwork for a bridge includes a plurality of formwork systems 1, the number of the formwork systems 1 is set as required and is an even number not less than four, so the number of the formwork systems 1 may be four, and a plurality of embedded devices 5 for climbing are vertically arranged on each formwork system 1 at intervals.

Referring to fig. 1 and 2, the formwork system 1 includes a support frame 11, a sliding seat 12, a back ridge 13, a basic formwork 14, a lifting electric push rod 15 and a movable electric push rod 16, wherein the bottom end of the support frame 11 is placed on the ground and detachably connected with the ground through an expansion bolt; and the seat of sliding 12 horizontal slip is installed on support frame 11 upper surface, and the seat of sliding 12 is close to the one end level of pouring chamber 18 and extends outside support frame 11, and the seat of sliding 12 is located the upper surface of the outer one end of support frame 11 and rotates on the upper surface and install horizontally pivot 17, and the stupefied 13 of the back of the body's bottom fixed mounting is in pivot 17, and the stupefied 13 top of the back of the body is vertical upwards to be set up, can make the stupefied 13 top of the back of the body be close to or keep away from pouring chamber 18 after stupefied 13 rotates of the back of the body simultaneously.

Referring to fig. 1 and 2, the base formworks 14 are slidably mounted on the side wall of the back edge 13 close to the casting cavity 18 along the direction close to or far from the ground, the bottom ends of the base formworks 14 are abutted against the ground, the four base formworks 14 are contacted with each other and matched to form a casting cavity 18 in a shape like a Chinese character 'kou', and the casting cavity 18 is used for casting concrete; when back arris 13 is in vertical state, the slip direction of basic template 14 is parallel with back arris 13 direction and is vertical state, and back arris 13 drives basic template 14 and rotates simultaneously when rotating to this realizes adjusting back arris 13 and basic template 14's angle.

Referring to fig. 1 and 2, the lifting electric push rod 15 is fixedly installed at the top end of the back edge 13, a piston rod of the lifting electric push rod 15 is connected with the basic template 14 and is used for driving the basic template 14 to move, and meanwhile, the lifting electric push rod 15 is located on one side, away from the pouring cavity 18, of the basic template 14; the movable electric push rod 16 is fixedly installed on the upper surface of the support frame 11, the movable electric push rod 16 is located on one side of the sliding seat 12 far away from the pouring cavity 18, and the piston rod of the movable electric push rod 16 is in a horizontal state and is fixedly connected with the side wall of the sliding seat 12.

Referring to fig. 1 and 2, a positioning device 3 for positioning the back edge 13 is arranged on the sliding seat 12, the positioning device 3 includes a positioning slider 31, a positioning inclined strut 32 and a positioning display component 33, the positioning slider 31 is vertically installed on the side wall of the back edge 13, which is far away from the casting cavity 18, in a sliding manner, the sliding direction of the positioning slider 31 is parallel to the sliding direction of the basic template 14, the positioning slider 31 is in threaded connection with a positioning screw 311 which is tightly abutted against the back edge 13, a horizontal first positioning shaft 312 is fixedly installed on the side wall of the positioning slider 31, which is far away from the back edge 13, a horizontal second positioning shaft 313 is fixedly installed on the upper surface of the sliding seat 12, which is located on the side of the back edge 13, which is far away from the casting cavity 18, and the axes of the first positioning shaft 312, the second positioning shaft 313 and the rotating shaft 17 are all parallel; the two ends of the positioning inclined strut 32 are respectively and rotatably mounted on the first positioning shaft 312 and the second positioning shaft 313.

Referring to fig. 2 and 3, the positioning display assembly 33 is disposed on the sliding seat 12, and the positioning display assembly 33 is used for positioning the rotating shaft 17 and displaying the angle of the back edge 13, the positioning display assembly 33 includes a positioning gear 34, a positioning insertion block 35, a positioning screw 36 and a positioning pointer 37, the positioning gear 34 is connected to the rotating shaft 17 in a key manner, a fan-shaped positioning seat 121 is fixedly mounted on the sliding seat 12 and above the rotating shaft 17, the center of the positioning seat 121 is located on the axis of the rotating shaft 17, scale marks 122 are arranged on the side wall of the positioning seat 121 around the axis of the rotating shaft 17 in a circumferential array manner, and a positioning groove 123 is radially formed on the side wall of the positioning seat 121 close to one side of the positioning gear 34 along the positioning seat 121.

Referring to fig. 2 and 3, the positioning insertion block 35 is slidably mounted on the positioning groove 123, a threaded groove is radially formed in one end of the positioning insertion block 35, which is away from the positioning gear 34, along the positioning seat 121, a positioning screw 36 is rotatably mounted on the positioning seat 121 and is in threaded connection with the threaded groove, the positioning insertion block 35 is inserted and mounted on the positioning gear 34 under the action of the positioning screw 36, and the positioning insertion block 35 abuts against and presses the positioning gear 34 to position the positioning gear 34; the positioning pointer 37 is fixedly installed on the side wall of the rotating shaft 17, and the positioning pointer 37 points to the scale mark 122 for displaying the angle of the back edge 13 and the basic template 14.

Referring to fig. 2 and 3, the positioning screw 36 is screwed to drive the positioning insertion block 35 to be separated from the positioning gear 34, so that the positioning insertion block 35 abuts against the bottom of the positioning groove 123 for positioning, then the positioning screw 311 is screwed to be away from the back ridge 13, then the back ridge 13 can be rotated to drive the base template 14 to rotate, the back ridge 13 rotates to drive the rotating shaft 17 and the positioning pointer 37 to rotate, the positioning pointer 37 displays the angle of the base template 14, after the adjustment is completed, the positioning screw 311 is screwed to abut against the back ridge 13, then the positioning screw 36 is screwed to drive the positioning insertion block 35 to be inserted and installed on the positioning gear 34, and the base template 14 is positioned, so that the angle of the base template 14 is adjusted.

Referring to fig. 4 and 5, two opposite base templates 14 are connected together through a fixing device 4, the fixing device 4 includes two conical joints 41, two fixing screws 42, two fixing spacers 43 and two fixing nuts 44, the two conical joints 41 respectively abut against the side walls of the opposite sides of the two opposite base templates 14, and the conical joints 41 are in a circular truncated cone shape and have a diameter close to one end of the base template 14 larger than a diameter far from one end of the base template 14; meanwhile, the two conical joints 41 are detachably connected together through the connecting screw 411, fixing grooves in threaded connection with the connecting screw 411 are formed in the opposite ends of the two conical joints 41, and the connecting screw 411 is sleeved with a first protection pipe 46 which is pressed against the opposite ends of the two conical joints 41.

Referring to fig. 4 and 5, the opposite ends of the two taper joints 41 are respectively provided with a connecting groove 45, the two fixing screws 42 respectively penetrate through the side walls of the two base templates 14 on the side away from the taper joints 41, the two fixing screws 42 are respectively in threaded connection with the connecting grooves 45 on the two taper joints 41, the ends of the two fixing screws 42 far away from the connecting grooves 45 are respectively provided with a regular-hexagon insertion groove 451, and the insertion groove 451 is used for an internal hexagonal wrench to insert, so that the fixing screws 42 can be conveniently rotated to be installed or detached; the two fixing gaskets 43 are respectively sleeved on the two fixing screws 42, the two fixing nuts 44 are respectively in threaded connection with the two fixing screws 42, the fixing nuts 44 are tightly pressed on the fixing gaskets 43, and the fixing gaskets 43 are tightly pressed on the base template 14 for positioning.

Referring to fig. 4 and 5, the first protection pipe 46 is sleeved on the connection screw rod 411, then both ends of the connection screw rod 411 are respectively screwed to the fixing grooves of the two taper fittings 41, the connection screw rod 411 is pressed against the groove bottoms of the fixing grooves, the two taper fittings 41 are pressed against both ends of the first protection pipe 46, then the fixing screw rod 42 is screwed to the taper fitting 41 through the base formwork 14, then the fixing gasket 43 is sleeved on the fixing screw rod 42, then the fixing nut 44 is screwed to the fixing screw rod 42, so that the fixing nut 44 is pressed against the fixing gasket 43 for positioning, thereby fixedly connecting the two opposite base formworks 14 together, and then fixedly connecting the other two base formworks 14 in the same way.

Referring to fig. 1 and 6, two embedded devices 5 are arranged on each template system 1 at intervals in the vertical direction and the horizontal direction, and meanwhile, the foundation template 14 moves upwards to a position above the embedded devices 5 to stop running; the pre-buried device 5 comprises a climbing cone 51 and a pre-buried plate 52, the climbing cone 51 is pressed on the side wall of the side, close to the pouring cavity 18, of the foundation template 14, the climbing cone 51 is detachably connected with the foundation template 14 through a pre-buried screw 55, an installation groove 511 is formed in one end, close to the foundation template 14, of the climbing cone 51, the pre-buried screw 55 horizontally penetrates through the side wall, away from the pouring cavity 18, of the foundation template 14, the pre-buried screw 55 is in threaded connection with the installation groove 511, and the axis of the pre-buried screw 55 is overlapped with the axis of the climbing cone 51; meanwhile, the creeping cone 51 is in a circular truncated cone shape, and the diameter of the creeping cone 51 close to one end of the basic template 14 is larger than that of the creeping cone 51 far away from one end of the basic template 14.

Referring to fig. 4 and 6, the embedded plate 52 is detachably connected with the climbing cone 51 through the high-strength screw 53, the high-strength screw 53 is in a horizontal state, the axis of the high-strength screw 53 coincides with the axis of the embedded screw 55, a first embedded groove is formed in one end, deviating from the basic template 14, of the climbing cone 51, one end of the high-strength screw 53 is in threaded connection with the first embedded groove, a second embedded groove, far away from the climbing cone 51, of the high-strength screw 53 is formed in the embedded plate 52, warning lines are arranged at two ends of the high-strength screw 53, and when the high-strength screw 53 abuts against the bottoms of the first embedded groove and the second embedded groove, the two warning lines are respectively located in the first embedded groove and the second embedded groove.

Referring to fig. 5 and 6, the high-strength screw 53 is sleeved with the second protection pipe 54, the second protection pipe 54 is pressed on the embedded plate 52 and the climbing cone 51, the bottom of the installation groove 511 on the climbing cone 51 and the bottom of the connection groove 45 on the tapered joint 41 are both provided with regular hexagonal insertion grooves 512, and the insertion grooves 512 are used for inserting of an internal hexagonal wrench, so that the high-strength screw is convenient to detach without using the climbing cone 51 and the tapered joint 41. The second protection pipe 54 is sleeved on the high-strength screw 53, then the high-strength screw 53 is in threaded connection with the first embedded groove and the second embedded groove, the second protection pipe 54 is pressed on the embedded plate 52 and the climbing cone 51, and then the embedded screw 55 penetrates through the foundation template 14 and is in threaded connection with the climbing cone 51, so that the embedded device 5 is fixedly installed.

Referring to fig. 1 and 7, the formwork system 1 further includes a connecting support assembly 2, the connecting support assembly 2 is detachably disposed on the climbing cone 51 through a connecting screw 411, and the connecting support assembly 2 is used for supporting and fixing the support frame 11 and the base formwork 14 which are separated from the ground; therefore, after the foundation formwork 14 moves upwards, the connecting and supporting component 2 is fixedly installed on the climbing cone 51, the connecting and supporting component 2 is used for supporting the supporting frame 11 and the foundation formwork 14, and meanwhile, the connecting and supporting component 2 can be detachably connected with the supporting frame 11 and the foundation formwork 14, so that the supporting frame 11 and the foundation formwork 14 can be supported and fixed.

Referring to fig. 1 and 7, the support frame 11 is placed on the ground under the action of gravity, and then the support frame 11 is fixed by expansion bolts; the bottom ends of the basic formworks 14 are abutted to the ground, then a release agent is coated on the side wall, close to one side of the pouring cavity 18, of each basic formwork 14, then the embedded devices 5 are fixedly installed on the corresponding basic formworks 14, then the two corresponding basic formworks 14 are fixedly connected together through the fixing devices 4, the four basic formworks 14 are fixedly installed, the release agent is coated on the creeping cones 51 and the conical connectors 41 when the creeping cones 51 and the conical connectors 41 are installed, therefore, the four basic formworks 14 are matched to form the pouring cavity 18, then concrete is poured into the pouring cavity 18 and vibrated, and pouring of the concrete is achieved.

Referring to fig. 1 and 7, when the formwork system 1 needs to be removed after concrete is solidified, the embedded screws 55 and the fixing screws 42 are removed, the movable electric push rod 16 is started to drive the foundation formwork 14 to be away from the concrete, then the foundation formwork 14 is cleaned and then a release agent is coated, then the piston rod of the lifting electric push rod 15 extends to drive the foundation formwork 14 to move upwards to the position above the embedded device 5 located in the concrete, the movable electric push rod 16 is started to drive the foundation formwork 14 to abut against the concrete, then the connecting and supporting component 2 is installed on the climbing cone 51 close to one side of the foundation formwork 14, and the connecting and supporting component 2 is supported on the lower surface of the foundation formwork 14.

Referring to fig. 1 and 7, the connection support assembly 2 is fixedly connected with the basic formwork 14, the expansion bolts on the support frame 11 are removed, the lifting electric push rod 15 piston rod contracts to drive the support frame 11 to move upwards, the connection support assembly 2 is supported on the lower surface of the support frame 11, the connection support assembly 2 is fixedly connected with the support frame 11, climbing of the formwork system 1 is achieved, the embedded device 5 and the fixing device 4 are continuously installed in a circulating mode, vibration is conducted after concrete pouring, and when the basic formwork 14 and the support frame 11 are moved subsequently, the basic formwork 14, the support frame 11 and the connection support assembly 2 are firstly detached.

Referring to fig. 1 and 7, the connection support assembly 2 includes a support plate 21, a sliding plate 22, a first screw 23 and a second screw 24, after the foundation formwork 14 is moved up to above the pre-buried device 5 in the concrete, the support plate 21 is abutted against the concrete, and then the support screw 25 is screwed to the climbing cone 51 through the support plate 21, so as to fix the support plate 21, and the support plate 21 is supported on the lower surface of the foundation formwork 14; the first screw bar 23 is screw-coupled to the lower surface of the support plate 21, and the first screw bar 23 is screw-coupled to the base pattern plate 14, thereby fixing the base pattern plate 14.

Referring to fig. 1 and 7, one end of the sliding plate 22 is horizontally slidably mounted on the support plate 21 in a direction close to or along the cone 51, the upper surface of the sliding plate 22 is flush with the upper surface of the support plate 21, and the width of the sliding plate 22 is smaller than that of the support plate 21; before the support frame 11 moves upwards, the sliding plate 22 does not move and does not contact with the support frame 11, and after the support frame 11 moves upwards, the sliding plate 22 is pulled to be away from the climbing cone 51, so that the sliding plate 22 is supported on the lower surface of the support frame 11, the second screw 24 is in threaded connection with the lower surface of the sliding plate 22, and the second screw 24 is in threaded connection with the support frame 11, so that the basic template 14 and the support frame 11 are fixed; after use, the support plate 21 is removed for subsequent use.

The working principle of the embodiment of the application is as follows: a

The support frame 11 is fixedly installed on the ground, the foundation formwork 14 abuts against the ground, the embedded device 5 is fixedly installed on the foundation formwork 14 after being assembled, then the two opposite foundation formworks 14 are fixedly connected together through the fixing device 4, the support frame 11 and the plurality of foundation formworks 14 are fixedly installed, the plurality of foundation formworks 14 are matched to form a pouring cavity 18, then concrete is added into the pouring cavity 18 and vibration is carried out, and therefore the concrete is poured.

When the formwork system 1 needs to be disassembled after concrete solidification, the embedded screw 55 and the fixing screw 42 are disassembled, then the electric push rod 16 is moved to start to drive the foundation formwork 14 to be far away from the concrete, then the demolding agent is coated on the foundation formwork 14 after the cleaning, then the electric push rod 15 is lifted to start to drive the foundation formwork 14 to move upwards, then the electric push rod 16 is moved to drive the foundation formwork 14 to move backwards to abut against the concrete, then the supporting plate 21 is fixedly installed on the climbing cone 51, therefore, the supporting plate 21 is supported on the foundation formwork 14, and the first screw 23 is screwed to the foundation formwork 14 to position the foundation formwork 14.

Then the supporting frame 11 is detached from the ground, the lifting electric push rod 15 is started to drive the supporting frame 11 to move upwards, then the sliding plate 22 is pulled to be supported on the supporting frame 11, then the second screw rod 24 is screwed to be connected to the supporting frame 11 in a threaded mode to position the supporting frame 11, when the basic formwork 14 and the supporting frame 11 need to move, the first screw rod 23 and the second screw rod 24 are firstly screwed to unlock the basic formwork 14 and the supporting frame 11, and therefore climbing of the formwork system 1 is achieved, time spent in concrete construction is shortened, and construction efficiency of concrete is improved.

The embodiment of the application discloses a construction method of a climbing type formwork for a bridge.

Referring to fig. 1, the construction method of the climbing formwork for a bridge includes the following construction steps:

s1, installing the formwork systems 1, namely fixedly installing the support frame 11 on the ground through expansion bolts, enabling the foundation formwork 14 to abut against the ground, then fixedly installing the embedded device 5 on the foundation formwork 14, and then fixedly connecting the two opposite foundation formworks 14 together through the fixing device 4 so as to fixedly install a plurality of formwork systems 1, wherein the plurality of foundation formworks 14 are matched to form a pouring cavity 18 for pouring concrete;

s2, pouring concrete, namely pouring the concrete into the pouring cavity 18, and then vibrating and tamping the concrete;

s3, removing the fixed screw rods 42 and the embedded screw rods 55 in the climbing formwork system 1, then starting the movable electric push rod 16 to drive the basic formwork 14 to be far away from the concrete, cleaning the basic formwork 14 and then coating a release agent, then lifting the electric push rod 15 to drive the basic formwork 14 to move upwards, then starting the movable electric push rod 16 to drive the basic formwork 14 to move backwards and abut against the concrete, fixedly installing the supporting plate 21 on the climbing cone 51, supporting the supporting plate 21 on the basic formwork 14, and screwing the first screw rods 23 to be in threaded connection with the basic formwork 14 for supporting and fixing.

Then the supporting frame 11 is detached from the ground, the lifting electric push rod 15 drives the supporting frame 11 to move upwards, then the sliding plate 22 is pulled to be supported on the supporting frame 11, the second screw 24 is screwed to be connected to the supporting frame 11 in a threaded manner for supporting and fixing, so that climbing of the formwork system 1 is realized, and when the basic formwork 14 and the supporting frame 11 need to be moved subsequently, the basic formwork 14 and the supporting frame 11 need to be detached from the supporting plate 21 and the sliding plate 22.

S4, repeating S2 and S3, and repeating the concrete pouring and the climbing formwork system 1, so as to realize the concrete pouring;

and S5, removing and repairing the connection support component 2, the climbing cone 51, the fixing screw rod 42, the conical joint 41 and the fixing screw rod 42 which are not required to be reused by tools, recycling the connection support component, the climbing cone 51, the fixing screw rod 42, the conical joint 41 and the fixing screw rod 42, and repairing the residual holes.

The working principle of the embodiment of the application is as follows:

installing the template system 1, then with pre-buried device 5 fixed mounting on the template system 1, will be relative two basic template 14 fixed connection together through fixing device 4 afterwards, then pour concrete and vibrate, demolish fixing screw 42 and pre-buried screw 55 after that, the mobile electric push rod 16 starts to drive basic template 14 and keep away from the concrete, then paint the release agent after clearing up basic template 14, the lift electric push rod 15 starts to drive basic template 14 and shifts up after that, the mobile electric push rod 16 drives basic template 14 and moves back to contradict on the concrete after that, then backup pad 21 fixed mounting is on climbing cone 51, then with backup pad 21 and basic template 14 fixed connection, support fixedly to this basic template 14.

The electric push rod 15 that goes up and down starts to drive support frame 11 and moves up, the pulling slide plate 22 supports support frame 11, then carry out fixed connection with slide plate 22 and support frame 11, realize climbing of template system 1 with this, then continue to install pre-buried device 5 and fixing device 4, the efficiency of construction of concrete has been improved with this, and to connecting support assembly 2, climb awl 51, clamping screw 42, taper joint 41 and clamping screw 42 demolish and recycle, thereby the loss of material has been reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a bridge climbing formula template, includes a plurality of formwork system (1), and is a plurality of the cooperation of formwork system (1) forms pouring cavity (18) of pouring concrete, its characterized in that: a plurality of pre-embedded devices (5) used for climbing are arranged on the template system (1) at vertical intervals, and each pre-embedded device (5) comprises:

the climbing cone (51), the climbing cone (51) is pressed on the side wall of the side, close to the pouring cavity (18), of the template system (1) and is detachably connected with the template system (1) through a pre-buried screw (55), the climbing cone (51) is in a circular truncated cone shape, and the diameter of one end, close to the template system (1), of the climbing cone (51) is larger than that of one end, far away from the template system (1);

the embedded plate (52) is detachably connected with the climbing cone (51) through a high-strength screw rod (53).

2. The climbing form of claim 1, wherein: -two opposite formwork systems (1) are connected together by means of a fixing device (4), said fixing device (4) comprising:

the two conical joints (41) are respectively abutted against the side walls of the opposite sides of the two template systems (1) and detachably connected together through a connecting screw rod (411), and the conical joints (41) are in a circular truncated cone shape, and the diameter of one end close to the template system (1) is larger than that of one end far away from the template system (1);

the two fixing screw rods (42) respectively penetrate through the two template systems (1) and are in threaded connection with the two conical joints (41);

the two fixing gaskets (43) are sleeved on the two fixing screw rods (42) respectively;

the two fixing nuts (44) are respectively in threaded connection with the two fixing screw rods (42) and enable the fixing gaskets (43) to tightly abut against the template system (1) to position the fixing screw rods (42).

3. A climbing form for a bridge according to claim 2, wherein: the template system (1) comprises:

the supporting frame (11), the said supporting frame (11) is removable on the ground through the expansion bolt;

the sliding seat (12), the sliding seat (12) is installed on the supporting frame (11) in a sliding manner along the direction close to or far away from the pouring cavity (18);

the back edge (13), the back edge (13) is arranged on the sliding seat (12);

the base templates (14) are arranged on the back ridges (13) in a sliding mode along the direction close to or far from the ground, the bottom ends of the base templates (14) are abutted against the ground, the base templates (14) are matched to form a pouring cavity (18), and the fixing devices (4) and the embedded devices (5) are located on the base templates (14);

the lifting electric push rod (15), the lifting electric push rod (15) is arranged on the back edge (13) and is connected with the basic template (14);

the movable electric push rod (16), the movable electric push rod (16) is arranged on the support frame (11) and is connected with the sliding seat (12);

connect supporting component (2), connect supporting component (2) and can dismantle the setting and climb on awl (51), connect supporting component (2) and support frame (11) and basic template (14) and can dismantle the connection, connect supporting component (2) and be used for supporting support frame (11) and basic template (14) that break away from ground.

4. A climbing form for a bridge according to claim 3, wherein: the connection support assembly (2) comprises:

the supporting plate (21) is detachably connected with the climbing cone (51) through a supporting screw rod (25) and is supported on the lower surface of the basic template (14);

the sliding plate (22) is mounted on the support plate (21) in a sliding mode and can be supported on the lower surface of the support frame (11);

the first screw rod (23) and the second screw rod (24), the first screw rod (23) and the second screw rod (24) are respectively in threaded connection on the supporting plate (21) and the sliding plate (22) and in threaded connection with the basic template (14) and the supporting frame (11).

5. A climbing formwork according to claim 3, wherein: stupefied (13) one end of the back of the body rotates through pivot (17) and sets up on seat (12) that slides, it carries out positioner (3) of location to stupefied (13) of the back of the body to be provided with on seat (12) that slides, positioner (3) include:

the positioning sliding block (31) is arranged on the back ridge (13) in a sliding mode, and the positioning sliding block (31) is in threaded connection with a positioning screw (311) which abuts against the back ridge (13);

the two ends of the positioning inclined support (32) are respectively and rotatably connected with the positioning sliding block (31) and the sliding seat (12);

and the positioning display component (33) is arranged on the sliding seat (12) and is used for positioning the rotating shaft (17) and displaying the angle of the basic template (14).

6. A climbing formwork for bridges according to claim 5, wherein: the seat that slides (12) go up and be provided with scale mark (122) around axis circumference array of pivot (17), location display module (33) includes:

a positioning gear (34), wherein the positioning gear (34) is arranged on the rotating shaft (17);

the positioning insertion block (35) is arranged on the sliding seat (12) in a sliding mode, is installed on the positioning gear (34) in an inserting mode and is provided with a threaded groove;

the positioning screw rod (36) is rotationally arranged on the sliding seat (12) and is in threaded connection with the thread groove;

the positioning pointer (37) is arranged on the rotating shaft (17) and points to the scale mark (122) to display the angle of the basic template (14).

7. A climbing form for a bridge according to claim 2, wherein: the cover is equipped with to support first protective tube (46) that presses on two taper joint (41) on connecting screw (411), the cover is equipped with to support to press in pre-buried board (52) and climb second protective tube (54) on awl (51) on high strength screw (53), all be provided with the warning line on high strength screw (53) both ends, high strength screw (53) threaded connection is to climbing awl (51) and goes up back warning line and be located and climb awl (51).

8. A climbing form for a bridge according to claim 2, wherein: the climbing cone (51) and the conical joint (41) are internally provided with regular hexagon insertion grooves (512) for inserting an inner hexagon wrench.

9. A construction method of the climbing formwork for a bridge according to any one of claims 1 to 8, wherein: the method comprises the following construction steps:

s1, installing template systems (1), installing a support frame (11) on the ground, enabling a basic template (14) to abut against the ground, then fixedly installing an embedded device (5) on the basic template (14), and then fixedly connecting two opposite basic templates (14) together through a fixing device (4) so as to fixedly install a plurality of template systems (1), wherein the basic templates (14) are matched to form a pouring cavity (18) for pouring concrete;

s2, pouring concrete, namely pouring the concrete into the pouring cavity (18), and then vibrating and tamping the concrete;

s3, the template climbing system (1) is characterized in that a fixing screw (42) and an embedded screw (55) are removed, a lifting electric push rod (15) drives a basic template (14) to move upwards, a connecting and supporting component (2) is installed to support and fix the basic template (14), then the lifting electric push rod (15) drives a supporting frame (11) to move upwards, then the connecting and supporting component (2) is fixedly connected with the supporting frame (11), climbing of the template system (1) is achieved, and when the basic template (14) and the supporting frame (11) need to be moved subsequently, the basic template (14) and the supporting frame (11) need to be detached from the connecting and supporting component (2) firstly;

s4, repeating S2 and S3, and repeating the concrete pouring and the climbing formwork system (1) so as to realize the concrete pouring;

and S5, dismantling and repairing, namely dismantling the connection support assembly (2), the climbing cone (51), the fixing screw rod (42), the conical joint (41) and the fixing screw rod (42) which are not required to be reused through tools so as to recycle, and then repairing the residual hole.