CN113005919A - Pier construction device and pier construction method - Google Patents
Pier construction device and pier construction method Download PDFInfo
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- CN113005919A CN113005919A CN202110446011.2A CN202110446011A CN113005919A CN 113005919 A CN113005919 A CN 113005919A CN 202110446011 A CN202110446011 A CN 202110446011A CN 113005919 A CN113005919 A CN 113005919A
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- 238000010276 construction Methods 0.000 title claims abstract description 95
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 230000003028 elevating effect Effects 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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Abstract
The application provides a pier construction device and a pier construction method, and belongs to the technical field of bridge construction. The pier construction device comprises a capping beam forming die, a fixed platform, a supporting platform and a lifting mechanism. The bent cap forming die is used for forming the bent cap. The fixed platform is used for being installed on the pier stud. The supporting platform is provided with a first through hole for the pier stud to pass through, and the bent cap forming die is installed on the supporting platform. The lifting mechanism is arranged between the fixed platform and the supporting platform and is used for driving the supporting platform to move up and down relative to the pier stud. The bottom of the supporting platform is provided with a jacking groove, and the output end of the lifting mechanism is inserted into the jacking groove so that the lifting mechanism is supported on the supporting platform. The pier construction device adopting the structure can avoid the longitudinal surface of a bridge route from being raised meaninglessly, and shortens the height of the pier column, thereby avoiding the overhigh construction cost of the pier, and being convenient for disassembling and reusing the pier construction device after the construction of the pier is finished.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to a pier construction device and a pier construction method.
Background
With the recent leap-type development of bridge construction in China, piers are an extremely important component in bridge engineering due to the limitation of land use, especially when road lines are crossed with existing roads or rivers. At present, a construction method of a pier generally adopts a cast-in-place method for construction, and the construction is carried out through a floor stand construction device or a hoop construction device. However, the existing hoop construction device is characterized in that the bottom formwork, the distribution beam and the bearing beam which are required by the cover beam for pouring the pier are all located below the cover beam, so that when a newly-built bridge has a downward-penetrating road (particularly a downward-penetrating road between pier studs) and the passing requirement needs to be guaranteed, the structural height required in construction needs to be reserved below the cover beam, the clearance below the cover beam needs to be reserved and lifted, the passing of vehicles on the road is guaranteed, the longitudinal surface of a viaduct route is raised meaninglessly, the pier stud height is increased, and the construction cost of bridge engineering is increased.
Disclosure of Invention
The embodiment of the application provides a pier construction device and a pier construction method, and aims to solve the problem that the existing pier is influenced by a construction device to cause high construction cost.
In a first aspect, an embodiment of the present application provides a pier construction device, including a capping beam forming mold, a fixed platform, a support platform, and a lifting mechanism; the bent cap forming die is used for forming the bent cap; the fixed platform is used for being arranged on the pier stud; the supporting platform is provided with a first through hole for the pier stud to pass through, and the bent cap forming die is installed on the supporting platform; the lifting mechanism is arranged between the fixed platform and the supporting platform and is used for driving the supporting platform to move up and down relative to the pier stud; the bottom of the supporting platform is provided with a jacking groove, and the output end of the lifting mechanism is inserted into the jacking groove so that the lifting mechanism is supported on the supporting platform.
In the above technical solution, the pier construction device is provided with a fixed platform, a supporting platform and a lifting mechanism, the fixed platform is installed on the pier stud, and the supporting platform is movably installed on the pier stud, the lifting mechanism installed on the fixed platform can drive the supporting platform to move up and down relative to the pier stud, so as to drive the capping beam forming mold installed on the supporting platform to move up and down relative to the pier stud, and further lift the height of the capping beam forming mold when constructing the pier, that is, the pier construction device adopting the structure can lift the capping beam forming mold when constructing the pier, thereby reserving enough clearance below the capping beam forming mold to ensure the passing of vehicles on the road, and can reduce the height of the capping beam forming mold after the capping beam is formed, so as to butt the formed capping beam and the pier stud, and further avoid the longitudinal plane of the bridge route from being raised meaninglessly, and the height of the pier column is shortened so as to avoid overhigh construction cost of the pier. In addition, the bottom of supporting platform is offered and is supplied elevating system's output male jacking groove to realize being connected between supporting platform and the elevating system, make elevating system can support in supporting platform, this kind of structure can prevent to appear sliding between supporting platform and the elevating system, thereby guaranteed the steady of construction, and be convenient for dismantle and used repeatedly pier construction equipment after the pier construction, thereby reduced the construction cost of pier.
In addition, the pier construction device provided by the embodiment of the application also has the following additional technical characteristics:
in some embodiments, a buffer pad is disposed between the tank bottom wall of the jacking tank and the output end of the lifting mechanism.
In above-mentioned technical scheme, through set up the blotter in the jacking groove to make the blotter be located between the tank bottom wall of jacking groove and elevating system's output, thereby can prevent that elevating system's output and the tank bottom wall of jacking groove from carrying out the rigidity contact, and then can protect elevating system's output, prevent that elevating system's output from appearing warping and wearing and tearing.
In some embodiments, a limit stop is disposed on the support platform; the limit stop is supported on the cover beam forming die and connected to the cover beam forming die.
In the technical scheme, the bent cap forming die is supported by the limit stop arranged on the supporting platform and connected to the limit stop, so that the bent cap forming die is prevented from shifting with the supporting platform in the construction process, the stability of the pier construction device is improved, and the potential safety hazard in the pier construction process through the pier construction device is avoided.
In some embodiments, the capping beam forming die is detachably attached to the limit stop.
In the technical scheme, the detachable connection mode is adopted to connect the bent cap forming die to the limit stop so as to realize quick detachment between the bent cap forming die and the limit stop, so that the bent cap forming die can be detached and reused after the construction of the pier is finished, and further the construction time and the construction cost of the pier are reduced.
In some embodiments, the support platform comprises a first support plate and a second support plate; the first support plate is provided with a first clamping groove, the second support plate is provided with a second clamping groove, the first support plate and the second support plate are arranged oppositely, the first clamping groove and the second clamping groove jointly define the first through hole, and the first support plate is detachably connected to the second support plate.
In the technical scheme, the supporting platform is arranged into two parts, namely the first supporting plate and the second supporting plate which are oppositely arranged and detachably connected, so that the supporting platform for supporting the cover beam forming die is formed together, the structure is simple, and the field installation and storage and transportation are facilitated.
In some embodiments, the stationary platform comprises a hoop and a mounting plate; the hoop is used for being mounted on the pier column; the mounting panel has the confession the second through-hole that the pier stud passed, the mounting panel cover is located the outside of pier stud and connect in the staple bolt, elevating system set up in on the mounting panel.
In above-mentioned technical scheme, fixed platform is provided with staple bolt and mounting panel, and the mounting panel is connected on the staple bolt, installs and fixes on the periphery wall of pier stud through the staple bolt to fix the mounting panel on the pier stud, thereby realized the support of mounting panel to elevating system, simple structure, and it is stable firm.
In some embodiments, the fixed platform further comprises a plurality of stiffening plates; the reinforcing plates are circumferentially arranged at intervals on the peripheral wall of the hoop and provided with a first connecting end and a second connecting end, the first connecting end is fixedly connected to the peripheral wall of the hoop, and the second connecting end is fixedly connected to the bottom of the mounting plate.
In above-mentioned technical scheme, through a plurality of reinforcing plates of interval arrangement on the periphery wall of staple bolt, and mounting panel and staple bolt all are connected with the reinforcing plate to improve fixed platform's rigidity and intensity, thereby pass through the reinforcing plate with the load transmission on the mounting panel to the staple bolt on, and then improved the bearing capacity of mounting panel.
In some embodiments, the lift mechanism comprises a plurality of drives; a plurality of driving piece circumference interval arrange in the outside of pier stud, the driving piece connect in on the fixed platform, the jacking groove with the driving piece one-to-one, every the output of driving piece is inserted and is located one the jacking inslot.
In above-mentioned technical scheme, elevating system is provided with a plurality of driving pieces, through arranging a plurality of driving pieces circumference and interval in the outside of pier stud to make a plurality of driving pieces cooperate jointly to support supporting platform, thereby realized supporting platform's multiple spot and supported, the elevating system who adopts this kind of structure has improved elevating system's bearing capacity and supporting platform's stability.
In some embodiments, the drive member is removably attached to the fixed platform.
In the technical scheme, the driving piece is connected to the fixed platform in a detachable connection mode, so that the driving piece and the fixed platform can be quickly detached, the driving piece is conveniently detached and replaced after the construction of the bridge pier is finished, the construction time of the bridge pier is shortened, and the later maintenance cost of the bridge pier construction device is reduced.
In a second aspect, an embodiment of the present application further provides a pier construction method, which is applicable to the pier construction device described above, where the pier construction method includes:
pouring the pier stud;
mounting the fixed platform on the pier stud;
mounting the lifting mechanism on the fixed platform;
arranging the supporting platform on the lifting mechanism and inserting the output end of the lifting mechanism into the jacking groove;
mounting the cover beam forming die on the supporting platform;
the supporting platform is driven to move relative to the pier stud through the lifting mechanism so as to lift the bent cap forming die;
pouring the bent cap in the bent cap forming die;
the supporting platform is driven to move relative to the pier stud through the lifting mechanism, so that the cover beam is in butt joint with the pier stud.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural view of a pier construction device according to an embodiment of the present application;
fig. 2 is a schematic view illustrating connection of a lifting mechanism and a support platform of the pier construction device shown in fig. 1;
fig. 3 is a schematic structural view of a support platform of the pier construction device shown in fig. 1;
fig. 4 is a schematic structural view of a fixed platform of the pier construction device shown in fig. 1;
fig. 5 is a flowchart of a pier stud construction method according to an embodiment of the present disclosure;
fig. 6 is a flowchart of step S800 of the pier construction method shown in fig. 5;
fig. 7 is a schematic view illustrating connection between the sleeve and the reinforcing bars in step S820 of the pier construction method shown in fig. 6.
Icon: 100-pier construction equipment; 10-a capping beam forming die; 11-a spandrel girder; 12-a distribution beam; 13-a capping beam template; 20-a lifting mechanism; 21-a drive member; 30-a support platform; 31-a first via; 32-jacking grooves; 33-a first support plate; 34-a second support plate; 40-a fixed platform; 41-anchor ear; 42-a mounting plate; 421-a second via; 422-a first plate body; 423-a second plate body; 43-a reinforcement plate; 50-pier stud; 60-limit stop; 70-reinforcing steel bars; 80-a sleeve; 81-perfusion port.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is conventionally understood by those skilled in the art, is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Examples
The embodiment of the application provides a pier construction device 100, it can improve that current pier receives construction device's influence and needs to reserve the lift to the headroom of the bent cap below of pier to cause the vertical plane of overpass route to be raised meaninglessly, and lead to the pier stud height to increase, and then improved the problem of bridge engineering's cost, the following concrete structure that combines the drawing to pier construction device 100 carries out the elaboration in detail.
The pier comprises a capping beam and a pier column, and the capping beam is erected on the pier column.
As shown in fig. 1, 2 and 3, the pier constructing device 100 includes a capping mold 10, a lifting mechanism 20, a support platform 30 and a fixing platform 40. The capping beam forming die 10 is used for forming a capping beam. Fixed platform 40 is adapted to be mounted to pier stud 50. The support platform 30 has a first through hole 31 through which the pier stud 50 passes, and the capping beam forming mold 10 is mounted on the support platform 30. The lifting mechanism 20 is disposed between the fixing platform 40 and the supporting platform 30, and the lifting mechanism 20 is used for driving the supporting platform 30 to move up and down relative to the pier stud 50. The bottom of the supporting platform 30 is provided with a jacking groove 32, and the output end of the lifting mechanism 20 is inserted into the jacking groove 32, so that the lifting mechanism 20 is supported on the supporting platform 30.
The pier construction device 100 is provided with a fixed platform 40, a supporting platform 30 and a lifting mechanism 20, wherein the fixed platform 40 is installed on a pier stud 50, the supporting platform 30 is movably arranged on the pier stud 50, the lifting mechanism 20 arranged on the fixed platform 40 can drive the supporting platform 30 to move up and down relative to the pier stud 50, so that the capping beam forming die 10 arranged on the supporting platform 30 can be driven to move up and down relative to the pier stud 50, and further the height of the capping beam forming die 10 can be lifted when the pier is constructed, namely, the pier construction device 100 adopting the structure can lift the capping beam forming die 10 when the pier is constructed, so that enough clearance is reserved below the capping beam forming die 10 to ensure the passing of vehicles on roads, and the height of the capping beam forming die 10 can be reduced after the capping beam is formed, so that the formed capping beam is butted with the pier stud 50, and then avoided the longitudinal plane of bridge route to be raised by meaninglessly, and shortened pier stud 50's height to avoid the engineering cost of pier too high. In addition, the bottom of the supporting platform 30 is provided with a jacking groove 32 for inserting the output end of the lifting mechanism 20, so that the connection between the supporting platform 30 and the lifting mechanism 20 is realized, the lifting mechanism 20 can be supported on the supporting platform 30, the structure can prevent the sliding between the supporting platform 30 and the lifting mechanism 20, the stability of construction is ensured, and the bridge pier construction device 100 is convenient to disassemble and reuse after the construction of the bridge pier is finished, so that the construction cost of the bridge pier is reduced.
Illustratively, as shown in fig. 1, the pier is a portal pier, the portal pier includes two pillars 50 and a capping beam (not shown), the two pillars 50 are arranged at intervals, the capping beam is erected on the two pillars 50, and two ends of the capping beam are respectively connected to the two pillars 50. Therefore, the number of the fixed platforms 40, the supporting platforms 30, and the lifting mechanisms 20 is two, two fixed platforms 40 are respectively installed on one pier stud 50, each lifting mechanism 20 is installed on one fixed platform 40, each supporting platform 30 is disposed on one lifting mechanism 20, and the two supporting platforms 30 jointly support the capping beam forming mold 10.
The bent cap forming die 10 comprises a bearing beam 11, a distribution beam 12, a construction platform and a bent cap template 13, wherein the bearing beam 11 is erected on two supporting platforms 30, the distribution beam 12 is laid on the bearing beam 11, the construction platform is installed on the distribution beam 12 and is used for construction of workers, the bent cap template 13 is arranged on the distribution beam 12, and the bent cap template 13 is used for pouring the bent cap.
In this embodiment, as shown in fig. 2 and 3, the lifting mechanism 20 includes a plurality of driving members 21. A plurality of driving pieces 21 are arranged on the outer side of the pier stud 50 at intervals in the circumferential direction, the driving pieces 21 are connected to the fixed platform 40, the jacking grooves 32 correspond to the driving pieces 21 one by one, and the output end of each driving piece 21 is inserted into one jacking groove 32.
The lifting mechanism 20 is provided with a plurality of driving members 21, and the plurality of driving members 21 are circumferentially and alternately arranged outside the pier stud 50, so that the plurality of driving members 21 are cooperatively used for supporting the supporting platform 30, thereby realizing multi-point support of the supporting platform 30, and the lifting mechanism 20 adopting the structure improves the bearing capacity of the lifting mechanism 20 and the stability of the supporting platform 30.
Further, the driving member 21 is detachably connected to the fixing platform 40. Adopt detachable connected mode to connect driving piece 21 on fixed platform 40 to realize the quick dismantlement between driving piece 21 and the fixed platform 40, thereby be convenient for dismantle and change driving piece 21 after the pier construction, and then reduced the engineering time of pier, and reduced pier construction device 100's later maintenance cost.
The driving member 21 is screwed to the fixing platform 40 through a bolt, and it should be noted that in other embodiments, the driving member 21 may also be detachably connected to the fixing platform 40 through a clamping manner and the like.
The drive members 21 may be two, three, four, five, six, etc. Illustratively, the number of the driving members 21 is four, and similarly, the number of the jacking grooves 32 provided on the supporting platform 30 is also four, and the output end of each driving member 21 is inserted into one jacking groove 32.
Illustratively, the drive member 21 is a hydraulic cylinder. Of course, the structure of the driving member 21 is not limited to this, and in other embodiments, the driving member 21 may be one of an air cylinder or an electric push rod.
In this embodiment, a buffer pad is disposed between the bottom wall of the jacking groove 32 and the output end of the driving member 21 of the lifting mechanism 20. Through set up the blotter in jacking groove 32 to make the blotter be located between jacking groove 32's groove diapire and driving piece 21's output, thereby can prevent that driving piece 21's output and jacking groove 32's tank bottom wall from carrying out the rigidity contact, and then can protect driving piece 21's output, prevent that driving piece 21's output from appearing warping and wearing and tearing.
Illustratively, the cushion is a rubber pad.
Further, as shown in fig. 1 and 2, a limit stop 60 is disposed on the support platform 30. The limit stops 60 are supported by the capping beam forming die 10 and are connected to the capping beam forming die 10. The capping beam forming die 10 is supported by the limit stops 60 arranged on the supporting platform 30, and the capping beam forming die 10 is connected to the limit stops 60, so that the capping beam forming die 10 is prevented from being displaced from the supporting platform 30 in the construction process, the stability of the pier construction device 100 is improved, and potential safety hazards in the pier construction process through the pier construction device 100 are avoided.
The number of the limit stoppers 60 provided on the support platform 30 is two, the limit stoppers 60 extend along the width direction of the load-bearing beam 11, and the two limit stoppers 60 are arranged at intervals along the length direction of the load-bearing beam 11. The spandrel girder 11 is erected on the two limit stoppers 60 and connected with the two limit stoppers 60.
Alternatively, the capping beam forming die 10 may be detachably attached to the limit stopper 60. Adopt detachable connected mode to connect the spandrel girder 11 of bent cap forming die 10 in limit stop 60 to realize the quick dismantlement between bent cap forming die 10 and the limit stop 60, thereby be convenient for dismantle and used repeatedly bent cap forming die 10 after the pier construction, and then reduced the engineering time and the construction cost of pier.
Illustratively, the load beam 11 is bolted to the limit stop 60. It should be noted that, in other embodiments, the bearing beam 11 may also be connected to the limit stop 60 in a fixed connection manner, for example, the bearing beam 11 is welded to the limit stop 60, and after the construction of the pier is finished, the bearing beam 11 is detached by cutting the limit stop 60.
In some embodiments, as shown in connection with fig. 2 and 3, the support platform 30 includes a first support plate 33 and a second support plate 34. The first supporting plate 33 is provided with a first engaging groove, the second supporting plate 34 is provided with a second engaging groove, the first supporting plate 33 and the second supporting plate 34 are oppositely arranged, the first engaging groove and the second engaging groove jointly define a first through hole 31, and the first supporting plate 33 is detachably connected to the second supporting plate 34. By providing the support platform 30 in two parts, a first support plate 33 and a second support plate 34, the first support plate 33 and the second support plate 34 are oppositely arranged and detachably connected to form together the support platform 30 for supporting the capping beam forming die 10, the structure is simple and the installation on site and the storage and transportation are convenient.
Illustratively, the first support plate 33 and the second support plate 34 are connected by a bolt and a bolt. In other embodiments, the first support plate 33 and the second support plate 34 may be connected to each other by clipping or buckling.
Wherein, two jacking grooves 32 of the four jacking grooves 32 are arranged on the first supporting plate 33, and the other two jacking grooves 32 of the four jacking grooves 32 are arranged on the second supporting plate 34. One of the two limit stoppers 60 is disposed on the first support plate 33, and the other limit stopper 60 of the two limit stoppers 60 is disposed on the second support plate 34.
In this embodiment, as shown in fig. 1 and 4, the fixing platform 40 includes a hoop 41 and a mounting plate 42. The anchor ear 41 is used for mounting on the pier stud 50. The mounting plate 42 has a second through hole 421 for the pier stud 50 to pass through, the mounting plate 42 is sleeved outside the pier stud 50 and connected to the hoop 41, and the lifting mechanism 20 is disposed on the mounting plate 42. Install and fix on the periphery wall of pier stud 50 through staple bolt 41 to fix mounting panel 42 on pier stud 50, thereby realized mounting panel 42 to elevating system 20's support, simple structure, and it is stable firm.
Wherein, the staple bolt 41 is fixed on the periphery wall of pier stud 50 through bolt spiro union's mode, and the concrete structure of staple bolt 41 can refer to relevant technique, and no longer repeated here.
The mounting plate 42 includes a first plate 422 and a second plate 423, and both the first plate 422 and the second plate 423 are fixedly connected to the hoop 41. The first plate body 422 and the second plate body 423 are both semicircular structures, the first plate body 422 and the second plate body 423 jointly enclose a second through hole 421 for the pier stud 50 to pass through, two driving parts 21 of the four driving parts 21 are installed on the first plate body 422, and the other two driving parts 21 of the four driving parts 21 are installed on the second plate body 423.
Optionally, as shown in fig. 4, the fixed platform 40 further comprises a plurality of stiffening plates 43. The reinforcing plates 43 are circumferentially arranged at intervals on the outer circumferential wall of the hoop 41, the reinforcing plates 43 have first connecting ends and second connecting ends, the first connecting ends are fixedly connected to the outer circumferential wall of the hoop 41, and the second connecting ends are fixedly connected to the bottom of the mounting plate 42.
Through on the periphery wall of staple bolt 41 a plurality of reinforcing plates 43 of interval arrangement, and mounting panel 42 and staple bolt 41 all are connected with reinforcing plate 43 to improve fixed platform 40's rigidity and intensity, thereby pass through on reinforcing plate 43 transmits the load on the mounting panel 42 to staple bolt 41, and then improved mounting panel 42's bearing capacity.
Illustratively, the first connecting end of the reinforcing plate 43 is welded to the peripheral wall of the hoop 41, and the second connecting end of the reinforcing plate 43 is welded to the bottom of the mounting plate 42.
In addition, in an embodiment of the present invention, there is provided a bridge pier construction method applied to the bridge pier construction apparatus 100 described above, as shown in fig. 5, the bridge pier construction method including:
s100: pouring the pier stud 50;
s200: mounting the fixed platform 40 on the pier stud 50;
s300: mounting the lifting mechanism 20 on the fixed platform 40;
s400: arranging the supporting platform 30 on the lifting mechanism 20 and inserting the output end of the lifting mechanism 20 into the jacking groove 32;
s500: mounting the bent cap forming die 10 on the supporting platform 30;
s600: the supporting platform 30 is driven to move relative to the pier stud 50 through the lifting mechanism 20 so as to lift the capping beam forming die 10;
s700: pouring the bent cap in the bent cap forming die 10;
s800: the support platform 30 is driven by the elevator mechanism 20 to move relative to the pier 50 so that the capping beam abuts against the pier 50.
Wherein, S100: pouring the pier stud 50, manufacturing the pier stud 50 by a cast-in-place method, and embedding a plurality of steel bars 70 (shown in fig. 1) of the abutting capping beam on the top of the pier stud 50. S700: the bent cap is poured into the bent cap forming mold 10, the bent cap is usually manufactured by a method of pouring in situ in the bent cap forming mold 10, a plurality of sleeves 80 are pre-embedded at the positions where the bent cap is butted with the pier stud 50, the sleeves 80 correspond to the steel bars 70 one by one, and each sleeve 80 is used for inserting one steel bar 70.
In this embodiment, as shown in fig. 5 and 6, S800: driving the supporting platform 30 to move relative to the pier 50 by the lifting mechanism 20 so that the cap beam is butted against the pier 50 comprises:
s810: the cover beam forming die 10 is driven to descend by the lifting mechanism 20;
s820: inserting the steel bars 70 pre-embedded at the top of the pier stud 50 into the sleeves 80 pre-embedded in the bent cap (as shown in fig. 7);
s830: grouting slurry into the sleeve 80;
s840: the bent cap forming mold 10, the supporting platform 30, the lifting mechanism 20 and the fixing platform 40 are removed in sequence.
As shown in fig. 7, a pouring port 81 for pouring slurry is formed in the circumferential wall of the sleeve 80, and the sleeve 80 is conveniently poured with slurry through the pouring port 81, so that the sleeve 80 and the reinforcing steel bar 70 are poured into a whole.
Illustratively, the injection ports 81 are two, and the two injection ports 81 are arranged at intervals along the extending direction of the sleeve 80.
Illustratively, the slurry is an epoxy mortar.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a pier construction equipment, the pier includes bent cap and pier stud, the bent cap erects in on the pier stud, its characterized in that, pier construction equipment includes:
the bent cap forming die is used for forming the bent cap;
the fixed platform is used for being installed on the pier stud;
the bearing platform is provided with a first through hole for the pier stud to pass through, and the bent cap forming die is installed on the bearing platform; and
the lifting mechanism is arranged between the fixed platform and the supporting platform and is used for driving the supporting platform to move up and down relative to the pier stud;
the bottom of the supporting platform is provided with a jacking groove, and the output end of the lifting mechanism is inserted into the jacking groove so that the lifting mechanism is supported on the supporting platform.
2. The pier construction device according to claim 1, wherein a cushion pad is disposed between a tank bottom wall of the jacking tank and the output end of the elevating mechanism.
3. The pier construction device according to claim 1, wherein a limit stopper is provided on the support platform;
the limit stop is supported on the cover beam forming die and connected to the cover beam forming die.
4. The bridge pier construction device according to claim 3, wherein the cap beam forming mold is detachably coupled to the limit stoppers.
5. The pier construction device according to claim 1, wherein the bearing platform comprises a first bearing plate and a second bearing plate;
the first support plate is provided with a first clamping groove, the second support plate is provided with a second clamping groove, the first support plate and the second support plate are arranged oppositely, the first clamping groove and the second clamping groove jointly define the first through hole, and the first support plate is detachably connected to the second support plate.
6. The pier construction device according to any one of claims 1 to 5, wherein the fixed platform comprises a hoop and a mounting plate;
the hoop is used for being mounted on the pier column;
the mounting panel has the confession the second through-hole that the pier stud passed, the mounting panel cover is located the outside of pier stud and connect in the staple bolt, elevating system set up in on the mounting panel.
7. The pier construction device according to claim 6, wherein the fixed platform further comprises a plurality of reinforcing plates;
the reinforcing plates are circumferentially arranged at intervals on the peripheral wall of the hoop and provided with a first connecting end and a second connecting end, the first connecting end is fixedly connected to the peripheral wall of the hoop, and the second connecting end is fixedly connected to the bottom of the mounting plate.
8. The pier construction device according to any one of claims 1 to 5, wherein the elevating mechanism comprises a plurality of driving members;
a plurality of driving piece circumference interval arrange in the outside of pier stud, the driving piece connect in on the fixed platform, the jacking groove with the driving piece one-to-one, every the output of driving piece is inserted and is located one the jacking inslot.
9. The pier construction device according to claim 8, wherein the driving member is detachably coupled to the fixed platform.
10. A bridge pier construction method applied to the bridge pier construction device according to any one of claims 1 to 9, the bridge pier construction method comprising:
pouring the pier stud;
mounting the fixed platform on the pier stud;
mounting the lifting mechanism on the fixed platform;
arranging the supporting platform on the lifting mechanism and inserting the output end of the lifting mechanism into the jacking groove;
mounting the cover beam forming die on the supporting platform;
the supporting platform is driven to move relative to the pier stud through the lifting mechanism so as to lift the bent cap forming die;
pouring the bent cap in the bent cap forming die;
the supporting platform is driven to move relative to the pier stud through the lifting mechanism, so that the cover beam is in butt joint with the pier stud.
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| CN202110446011.2A CN113005919A (en) | 2021-04-23 | 2021-04-23 | Pier construction device and pier construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110446011.2A CN113005919A (en) | 2021-04-23 | 2021-04-23 | Pier construction device and pier construction method |
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| CN113356071A (en) * | 2021-06-26 | 2021-09-07 | 江苏镇江路桥工程有限公司 | A hoop platform for construction of bridge pier column |
| CN113756195A (en) * | 2021-08-31 | 2021-12-07 | 中铁七局集团有限公司 | Hollow pier top solid section construction device and method |
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