CN114606862A

CN114606862A - Pier bent cap climbing installation device

Info

Publication number: CN114606862A
Application number: CN202210241913.7A
Authority: CN
Inventors: 杨华炳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-06-10

Abstract

The invention provides a bridge pier capping beam climbing installation device, which comprises: the bridge pier comprises a frame platform, wherein a through hole for a bridge pier to pass through is formed in the frame platform, and a first area and a second area are formed in the upper surface of the frame platform; the climbing mechanism is arranged on the outer side of the bridge pier, connected with the frame platform and used for driving the frame platform to move up and down along the bridge pier; the translation mechanisms are arranged on the first area and the second area of the frame platform and used for placing the cover beam steel reinforcement framework and moving the cover beam steel reinforcement framework from the first area to the second area; and the control system is connected with the climbing mechanism and the translation mechanism. The invention realizes the assembly of the bent cap bracket, the template and the steel reinforcement framework on the ground, basically eliminates the potential safety hazard of high-altitude hoisting operation, and has the advantages of safety, reliability, energy conservation, high progress benefit and great construction cost saving.

Description

Pier bent cap climbing installation device

Technical Field

The invention belongs to the technical field of capping beam construction, and particularly relates to a bridge pier capping beam climbing installation device.

Background

The construction of the bridge capping beam is basically that after the construction of the bridge pier is finished, a hoop is installed at a corresponding position of the top of the bridge pier or a pin rod is inserted, the hoop or the pin rod is used for supporting and installing a frame platform, a capping beam bottom formwork is installed on the platform and a capping beam steel bar framework is installed or the capping beam steel bar framework is integrally hoisted, a capping beam side formwork is hoisted, capping beam concrete is poured, after the strength is equal, the capping beam bottom formwork is removed at an in-situ high altitude position, the capping beam bottom formwork is removed after the lower frame is unloaded, the frame platform is used, and finally the hoop or the pin rod is removed. However, the construction process has the disadvantages of high altitude operation, high consumption of crane shifts, high potential safety hazard, no energy conservation and high construction cost.

Disclosure of Invention

The invention aims to provide a climbing mounting device for a pier capping beam, which is used for realizing the assembly of a capping beam bracket, a template and a steel reinforcement framework on the ground, basically eliminating the potential safety hazard of high-altitude hoisting operation, and has the advantages of safety, reliability, energy conservation, high progress benefit and great construction cost saving.

The invention is realized by the following technical scheme:

a pier capping beam climbing installation device comprises:

the bridge pier comprises a frame platform, wherein a through hole for a bridge pier to pass through is formed in the frame platform, and a first area and a second area are formed in the upper surface of the frame platform;

the climbing mechanism is arranged on the outer side of the bridge pier, connected with the frame platform and used for driving the frame platform to move up and down along the bridge pier;

the translation mechanisms are arranged on the first area and the second area of the frame platform and used for placing the cover beam steel reinforcement framework and moving the cover beam steel reinforcement framework from the first area to the second area;

and the control system is connected with the climbing mechanism and the translation mechanism.

Further, the template mechanism comprises three fixed template assemblies, two movable bottom templates and two end templates, wherein the three fixed template assemblies are respectively arranged on the frame platform at intervals along the transverse bridge direction, an installation space for installing the movable bottom templates is formed between every two adjacent fixed template assemblies, each fixed template assembly comprises a fixed bottom template, two side templates and two rotary pulling jacks, the fixed bottom template is fixed in a second area of the frame platform, the two side templates are respectively hinged at the two ends of the fixed bottom template along the bridge direction, oil cylinders of the two rotary pulling jacks are respectively hinged at the two ends of the frame platform along the bridge direction, piston rods of the rotary pulling jacks are respectively hinged with the two side templates, the two movable bottom templates are respectively movably arranged in the two installation spaces and are arranged on the translation mechanism, framework support pads are arranged on the movable bottom templates, and the two end templates are respectively arranged on the fixed bottom templates of the two fixed template assemblies positioned on the outer side, the control system is connected with the rotary pull jack.

Further, two balance beams are arranged on the upper surface of the frame platform at intervals, the translation mechanism comprises two lead screw mechanisms respectively arranged in the two balance beams, each lead screw mechanism comprises two bearing seats arranged at intervals, lead screw main shafts arranged on the two bearing seats, two lead screw shaft sleeves matched with the lead screw main shafts and arranged at intervals, and a driving unit for driving the lead screw main shafts to rotate, chutes for the lead screw shaft sleeves to move are formed in the balance beams, two movable bottom dies are in one-to-one correspondence with the two lead screw mechanisms, and the movable bottom dies are arranged on the two lead screw shafts of the corresponding lead screw mechanisms.

Further, still include the balance weight chest expander, the balance weight chest expander includes the mounting bracket, the fixed axle, the reel, first spring, the pulling force rope, friction pack and adjusting nut, the fixed axle is fixed on the mounting bracket, the reel, friction pack, first spring and adjusting nut all overlap and establish on the fixed axle, friction pack is the round platform structure, one of reel is served and is equipped with the round platform hole that matches the suitable with friction pack, friction pack inserts in the round platform hole, the both ends of first spring respectively with friction pack and adjusting nut butt, adjusting nut and fixed axle threaded connection, can adjust first spring to friction pack's pressure through rotatory adjusting nut, with adjust friction pack respectively with the reel with the fixed axle between the frictional force, pulling force rope one end is fixed on the reel, the other end is connected with the one end that first region was kept away from to the frame platform.

Furthermore, the climbing mechanism comprises two hoop components which are vertically sleeved outside the pier at intervals and used for clamping or loosening the pier, the hoop component positioned above is connected with the frame platform, a plurality of climbing jacks are arranged on the hoop component positioned below at intervals, and piston rods of the climbing jacks are connected with the frame platform.

Furthermore, a plurality of hanging rods and a plurality of unloading sand boxes are arranged on the hoop assembly positioned above the hoop assembly, adjusting through holes for the plurality of hanging rods to penetrate through are respectively arranged on the frame platform, the hanging rods penetrate through the corresponding adjusting through holes and then are in threaded connection with hoisting nuts, and the top ends of the unloading sand boxes are abutted to the frame platform.

Further, the hoop component comprises a first template block, a second template block, a third template block, a tensioning jack, a pull rod and a second spring, wherein the first template block, the second template block and the third template block are sequentially hinged and are arc-shaped, one end of the first template block, which is close to the third template block, is provided with a first lug plate, one end of the third template block, which is close to the first template block, is provided with a second lug plate, the tensioning jack is arranged on the first lug plate, the pull rod sequentially penetrates through the tensioning jack and the first lug plate and then is connected with the second lug plate, and the second spring is positioned between the first lug plate and the second lug plate and is sleeved on the pull rod.

Furthermore, the locking assembly comprises a plurality of locking bolts and locking nuts arranged on the locking bolts, a plurality of locking through holes for the plurality of locking bolts to pass through are formed in corresponding positions on the first lug plate and the second lug plate of the hoop assembly located above, and the locking bolts pass through the corresponding locking through holes and then are connected with the locking nuts.

Furthermore, be equipped with the direction stopper on the lateral wall of keeping away from first region through the hole, the direction stopper includes the gyro wheel and is connected the elastic component who is used for making gyro wheel and pier butt with the gyro wheel.

Furthermore, a ladder stand is arranged on the frame platform and is formed by splicing a plurality of ladder stand sections.

Compared with the prior art, the invention has the beneficial effects that: the construction method comprises the steps that a frame platform and a template of the cover beam are erected on the ground, the cover beam steel reinforcement framework is installed on the frame platform and climbs to the top of a pier through a climbing mechanism, then the cover beam steel reinforcement framework is translated to a designed horizontal position through a translation mechanism, and the cover beam steel reinforcement framework is synchronously climbed, so that the problems that the cover beam steel reinforcement framework is difficult to integrally hoist, labor and time are consumed in dispersed hoisting, and potential safety hazards are high are solved; after the bent cap pouring and the concrete pouring are finished, the frame platform of the bent cap can return to the ground through the climbing mechanism and then is detached, all original high-altitude operations are completely converted into ground operations, potential safety hazards are eliminated, the safety is more controllable, the operation environment of constructors is greatly improved, the working efficiency can be improved, a large number of machine-crane-use shifts are reduced, and a large amount of cost and energy consumption are saved.

Drawings

FIG. 1 is a schematic structural view of a bridge pier capping beam climbing installation device of the invention;

FIG. 2 is a side view of the bridge pier capping beam climbing installation device of the present invention;

FIG. 3 is a top view of a frame platform in the bridge pier capping beam climbing installation device of the present invention;

FIG. 4 is a front view of a formwork mechanism installed on a frame platform in the bridge pier capping beam climbing installation device of the present invention;

FIG. 5 is a cross-sectional view of a template mechanism installed on a frame platform in the bridge pier capping beam climbing installation device of the present invention;

FIG. 6 is a schematic diagram of the bridge pier capping beam climbing installation device after installation of a side mold is completed;

FIG. 7 is a schematic structural view of a translation mechanism in the bridge pier capping beam climbing installation device of the present invention;

FIG. 8 is a schematic structural view of a balance beam in the bridge pier capping beam climbing installation device of the present invention;

FIG. 9 is a schematic structural view of a balance weight spring exerciser in the bridge pier capping beam climbing installation device of the present invention;

FIG. 10 is a schematic structural view of a climbing mechanism in the bridge pier capping beam climbing installation device of the present invention;

fig. 11 is a top view of the lower hoop assembly of the bridge pier capping beam climbing installation device of the present invention;

FIG. 12 is a schematic structural view of an unloading sand box in the bridge pier capping beam climbing installation device of the invention;

fig. 13 is a side view of a guide stopper in the bridge pier capping beam climbing installation apparatus according to the present invention;

fig. 14 is a top view of a guide stopper in the bridge pier capping beam climbing installation device of the present invention.

In the figure, 1-frame platform, 11-through hole, 12-balance beam, 121-sliding chute, 2-climbing mechanism, 21-hoop component, 211-first template block, 212-second template block, 213-third template block, 214-tensioning jack, 215-second spring, 216-first lug plate, 217-second lug plate, 218-pull rod, 22-climbing jack, 23-suspension rod, 24-unloading sand box, 241-sand box piston, 242-sand box cylinder, 243-fine sand, 244-sand discharge valve, 245-sand filling valve, 246-air discharge valve, 25-hoisting nut, 3-translation mechanism, 31-bearing seat, 32-lead screw main shaft, 33-lead screw shaft sleeve, 34-driving unit, 4-control system, 5-template mechanism, 51-fixed bottom die, 52-side die, 53-movable bottom die, 54-rotary drawing jack, 55-framework support pad, 56-end die, 6-balance weight tensioner, 61-mounting rack, 62-fixed shaft, 63-reel, 64-first spring, 65-tension rope, 66-friction component, 67-adjusting nut, 7-guide limiter, 71-roller, 72-elastic component, 721-horizontal plate, 722-vertical plate, 723-roller bracket, 724-third spring, 8-ladder stand, 9-locking component, 91-locking bolt, 92-locking nut, 10-pier and 20-cover beam reinforcement framework.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 invention.

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 or explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, 2 and 3, fig. 1 is a schematic structural view of a bridge pier capping beam climbing installation device of the present invention, fig. 2 is a side view of the bridge pier capping beam climbing installation device of the present invention, and fig. 3 is a top view of a frame platform in the bridge pier capping beam climbing installation device of the present invention. A bridge pier capping beam climbing installation device comprises a frame platform 1, a climbing mechanism 2, a translation mechanism 3 and a control system 4, wherein a through hole for a bridge pier 10 to pass through is formed in the frame platform 1, and a first area and a second area are formed in the upper surface of the frame platform 1; the climbing mechanism 2 is arranged on the outer side of the pier 10, is connected with the frame platform 1 and is used for driving the frame platform 1 to move up and down along the pier 10; the translation mechanism 3 is arranged on the first area and the second area of the frame platform 1 and is used for placing the cover beam steel reinforcement framework 20 and moving the cover beam steel reinforcement framework 20 from the first area to the second area; the control system 4 is connected with the climbing mechanism 2 and the translation mechanism 3.

The pier capping beam climbing installation device is shown as a pier 10 for double pier columns in figure 1, two through holes for the two piers 10 to pass through are formed in a frame platform 1, and two climbing mechanisms 2 are arranged and installed on the two piers 10 respectively. However, the present invention is not limited to this embodiment, and the number of the through-holes and the climbing means 2 may be increased or decreased according to the specific disclosure by changing the structure according to the number of the piers 10. The frame platform 1 is used as a construction platform and used for supporting the cover beam steel reinforcement framework 20 and pouring the cover beam, the second area of the upper surface of the frame platform 1 is the middle area and is positioned in the second area through a hole, as shown in an area A in fig. 3, and the first area of the upper surface of the frame platform 1 is positioned on one side of the second area, as shown in an area B in fig. 3.

Referring to fig. 4, 5 and 6 in combination, fig. 4 is a front view of a formwork mechanism installed on a frame platform in the bridge pier capping beam climbing installation device of the present invention, fig. 5 is a cross-sectional view of the formwork mechanism installed on the frame platform in the bridge pier capping beam climbing installation device of the present invention, and fig. 6 is a schematic view of the bridge pier capping beam climbing installation device of the present invention after installation of a middle side mold is completed. In one embodiment, in order to further reduce hoisting construction, the climbing installation device for the bridge pier capping beam further comprises a template mechanism 5, wherein the template mechanism 5 comprises three fixed template assemblies, two movable bottom templates 53 and two end templates 56, the three fixed template assemblies are respectively arranged on the frame platform 1 at intervals along the transverse bridge direction, an installation space for installing the movable bottom templates 53 is formed between the two adjacent fixed template assemblies, each fixed template assembly comprises a fixed bottom template 51, two side templates 52 and two rotary pull jacks 54, the fixed bottom template 51 is fixed in a second area of the frame platform 1, the two side templates 52 are respectively hinged at two ends of the fixed bottom template 51 along the bridge direction, oil cylinders of the two rotary pull jacks 54 are respectively hinged at two ends of the frame platform 1 along the bridge direction, piston rods of the two rotary pull jacks 54 are respectively hinged with the two side templates 52, the two movable bottom templates 53 are respectively movably arranged in the two installation spaces, and is arranged on the translation mechanism 3, the movable bottom die 53 is provided with a framework support pad 55, the two end dies 56 are respectively arranged on the fixed bottom die of the two fixed die plate assemblies positioned at the outer sides, and the control system 4 is connected with the rotary pull jack 54. With template mechanism 5 and frame platform 1 integrated design, the later stage need not to carry out template mechanism 5's hoist and mount again, can further reduce the hoist and mount construction to side form 52 when not, with can keep flat to with fixed die block 51 parallel and level, do not influence translation mechanism 3 and remove bent cap steel reinforcement framework 20 to the second region from frame platform 1's first region. When the cover beam concrete needs to be poured, the control system 4 sends an instruction to the rotary pull jack 54 to control the rotary pull jack 54 to eject out, so as to drive the side die 52 to be turned upwards to a specified position, so that the side die 52 is in a vertical state and is abutted to the fixed bottom die 51, the side die 52 at the movable bottom die 53 is manually assembled, the installation of the side die 52 is completed, and the cover beam concrete is waited to be poured. In an embodiment, the turning and pulling jack 54 is hinged to the frame platform 1 through a hinge seat, the hinge seat includes a U-shaped mounting bracket, the U-shaped bottom of the mounting bracket is fixed on the frame platform 1, hinge rods are arranged on two side walls of the U-shaped mounting bracket, the hinge rods are in threaded connection with the mounting bracket, an insertion groove for the hinge rods to be inserted is arranged on the oil cylinder of the turning and pulling jack 54, and the hinge rods are inserted into the corresponding insertion grooves. The turn-pull jack 54 is clamped by two hinge rods so that the turn-pull jack 54 can be rotated on the mounting bracket, and this arrangement makes it easy to disassemble and assemble the turn-pull jack 54.

Referring to fig. 7 and 8 in combination, fig. 7 is a schematic structural view of a translation mechanism in the bridge pier capping beam climbing installation device of the present invention, and fig. 8 is a schematic structural view of a balance beam in the bridge pier capping beam climbing installation device of the present invention. In an embodiment, two balance beams 12 are disposed on the upper surface of the frame platform 1 at intervals, the translation mechanism 3 includes two screw rod mechanisms disposed in the two balance beams 12, each screw rod mechanism includes two bearing seats 31 disposed at intervals, a screw rod spindle 32 disposed on the two bearing seats 31, two screw rod bushings 33 disposed at intervals and matched with the screw rod spindle 32, and a driving unit 34 for driving the screw rod spindle 32 to rotate, a chute 121 for moving the screw rod bushings 33 is disposed on the balance beam 12, two movable bottom molds 53 correspond to the two screw rod mechanisms one by one, and the movable bottom molds 53 are disposed on the two screw rod bushings 33 of the corresponding screw rod mechanisms. The balance beam 12 is embedded into the frame platform 1, the upper surface of the balance beam 12 is flush with the upper surface of the frame platform 1, the bearing seat 31 is fixed in the balance beam 12, the driving unit 34 drives the screw spindle 32 to rotate, the screw spindle sleeve 33 is driven to linearly move along the sliding groove 121, and the cover beam steel reinforcement framework 20 is enabled to translate on the frame platform 1. In one embodiment, the power unit includes a motor, a master gear disposed on a drive shaft of the motor, and a slave gear disposed on the lead screw spindle 32 and engaged with the master gear. The drive end of the motor rotates the lead screw spindle 32 through the master and slave gears.

Referring to fig. 9, fig. 9 is a schematic structural view of a counterweight chest expander in the installation device for climbing pier capping beams according to the present invention. In one embodiment, the pier capping beam climbing installation device further comprises a balance weight chest expander 6, the balance weight chest expander 6 comprises an installation frame 61, a fixed shaft 62, a reel 63, a first spring 64, a tension rope, a friction assembly 66 and an adjusting nut 67, the fixed shaft 62 is fixed on the installation frame 61, the reel 63, the friction assembly 66, the first spring 64 and the adjusting nut 67 are all sleeved on the fixed shaft 62, the friction assembly 66 is in a circular truncated cone structure, one end of the reel 63 is provided with a circular truncated cone hole matched with the friction assembly 66, the friction assembly 66 is inserted into the circular truncated cone hole, two ends of the first spring 64 are respectively abutted against the friction assembly 66 and the adjusting nut 67, the adjusting nut 67 is in threaded connection with the fixed shaft 62, the pressure of the first spring 64 on the friction assembly 66 can be adjusted by rotating the adjusting nut 67, so as to adjust the friction force between the friction assembly 66 and the reel 63 and the fixed shaft 62, one end of the tension rope is fixed on the reel 63, and the other end is connected with one end of the frame platform 1 far away from the first area. Because when jacking bent cap framework 20 to pier 10 top, bent cap framework 20 is the first region that is located frame platform 1 for frame platform 1 is whole to receive the uneven force, and frame platform 1 is eccentric side pressure, damages frame platform 1 easily, consequently increasing balance weight chest expander 6, the quantity of balance weight chest expander 6 can be decided according to the operating condition, and preferably, the quantity of balance weight chest expander 6 is two, and two balance weight chest expanders 6 set up at the interval. The tension ropes are connected with one end of the frame platform 1 far away from the first area, and preferably, the tension ropes of the two balance weight tensioners 6 are respectively connected with the two balance beams. After the counter weight tension is obtained through calculation, the adjusting nut 67 is rotated on the fixing shaft 62, the first spring 64 is compressed or loosened through the adjusting nut 67, so that the pressure of the first spring 64 on the friction assembly 66 is increased or reduced, and then the friction force between the friction assembly 66 and the reel 63 and the fixing shaft 62 is increased or reduced, so that the tension of the reel 63 on the tension rope reaches the calculated counter weight tension, and the purpose of keeping the stress balance of the frame platform 1 in the process of jacking the cover beam steel reinforcement framework 20 is achieved. The length of the tensile cord is sufficient to allow the tensile cord to be wound around the reel 63. In one embodiment, friction pack 66 is defined by a plurality of friction plates.

Referring to fig. 10, 11 and 12 in combination, fig. 10 is a schematic structural view of a climbing mechanism in the bridge pier capping beam climbing installation device of the present invention, fig. 11 is a top view of a hoop assembly located below in the bridge pier capping beam climbing installation device of the present invention, and fig. 12 is a schematic structural view of an unloading sand box in the bridge pier capping beam climbing installation device of the present invention. In one embodiment, the climbing mechanism 2 includes two hoop assemblies 21 vertically spaced from each other and disposed outside the pier 10 for clamping or releasing the pier 10, the hoop assembly 21 located above is connected to the frame platform 1, a plurality of climbing jacks 22 are spaced from each other on the hoop assembly 21 located below, and piston rods of the climbing jacks 22 are connected to the frame platform 1. The two hoop components 21 are used for sequentially clamping or loosening the pier 10, so that the two hoop components 21 are used as a fulcrum in the climbing process in turn, supporting points of the frame platform 1 on the pier 10 can be respectively converted to the two hoop components 21, and then the climbing jack 22 is controlled to ascend and contract to complete the climbing function of the frame platform 1. In one embodiment, the hoop assembly 21 located above is provided with a plurality of suspension rods 23 and a plurality of unloading sand boxes 24, the frame platform 1 is respectively provided with adjusting through holes for the plurality of suspension rods 23 to pass through, the suspension rods 23 are in threaded connection with hoisting nuts 25 after passing through the corresponding adjusting through holes, and the top ends of the unloading sand boxes 24 are abutted to the frame platform 1. The hanger rods 23 and the unloading flasks 24 are provided on the hoop assembly 21 located above, so that the distance between the hoop assembly 21 located above and the frame platform 1 can be adjusted. After the cover beam concrete is poured and reaches the set strength, the frame platform 1 is slowly lowered by the unloading sand box 24 until the fixed bottom die 51 and the movable bottom die 53 are separated from the cover beam concrete. In one embodiment, the unloading sand box 24 includes a sand box piston 241 and a sand box cylinder 242 sleeved outside the sand box piston 241, the sand box cylinder 242 is filled with fine sand 243, a sand release valve 244 is disposed at the bottom end of the sand box cylinder 242, and a sand filling valve 245 and a release valve 246 are disposed on the sand box piston.

In an embodiment, the hoop assembly 21 includes a first mold block 211, a second mold block 212, a third mold block 213, a tensioning jack 214, a pull rod 218, and a second spring 215, where the first mold block 211, the second mold block 212, and the third mold block 213 are sequentially hinged and are all arc-shaped, a first ear plate 216 is disposed on one end of the first mold block 211 close to the third mold block 213, a second ear plate 217 is disposed on one end of the third mold block 213 close to the first mold block 211, the tensioning jack 214 is disposed on the first ear plate 216, the pull rod 218 sequentially passes through the tensioning jack 214 and the first ear plate 216 and then is connected to the second ear plate 217, and the second spring 215 is disposed between the first ear plate 216 and the second ear plate 217 and is sleeved on the pull rod 218. The tensioning jack 214 is a through-center jack, and when the tensioning jack 214 is ejected, the pull rod 218 drives the first lug plate 216 and the second lug plate 217 to approach each other, so that the circular structure defined by the first template block 211, the second template block 212, and the third template block 213 is locked on the pier 10. When the tensioning jack 214 is contracted, the pull rod 218 loosens the tension on the second lug plate 217, and the second spring 215 drives the first lug plate 216 and the second lug plate 217 to be away from each other, so that the circular structure surrounded by the first template block 211, the second template block 212 and the third template block 213 is separated from the pier 10, and at this time, the first template block 211, the second template block 212 and the third template block 213 can move relative to the pier 10. In one embodiment, a first abutting nut abutting against the piston rod of the tensioning jack 214 is disposed at one end of the pull rod 218, and a second abutting nut is connected to the other end of the pull rod after the other end of the pull rod passes through the tensioning jack 214, the second lug plate 216 and the second lug plate 217 in sequence. The piston rod of the tensioning jack 214 drives the pull rod 218 to move through the first abutting nut, and the pull rod 218 drives the second lug plate 217 to move through the second abutting nut.

In an embodiment, the bridge pier capping beam climbing installation device further comprises a locking assembly 9, wherein the locking assembly 9 comprises a plurality of locking bolts 91 and locking nuts 92 arranged on the locking bolts 91, a plurality of locking through holes for the plurality of locking bolts 91 to pass through are formed in corresponding positions on the first lug plate 216 and the second lug plate 217 of the upper hoop assembly 21, and the locking bolts 91 pass through the corresponding locking through holes and then are connected with the locking nuts 92 so as to lock the upper hoop assembly 21 on the bridge pier 10. The locking bolt 91 and the locking nut 92 are added on the hoop component 21 positioned above, so that the locking of the hoop component 21 positioned above on the pier can reach the set locking force, and the construction safety on the frame platform 1 is ensured.

Referring to fig. 13 and 14 in combination, fig. 13 is a side view of a guide stopper in the bridge pier capping beam climbing installation device of the present invention, and fig. 14 is a top view of the guide stopper in the bridge pier capping beam climbing installation device of the present invention. In an embodiment, guide stop 7 is provided on the side wall of the through hole remote from the first zone, guide stop 7 comprising a roller 71 and an elastic assembly 72 connected to roller 71 for abutting roller 71 against abutment 10. Because the bridge pier 10 that is out of being under construction can not be vertical in fact, the clearance between the lateral wall that passes the hole of bridge pier 10 and frame platform 1 is not the fixed value to when jacking bent cap framework 20, bent cap framework 20 is partial to one side to frame platform 1 pressure, consequently increases direction stopper 7, through the elastic force of elastic component 72 to gyro wheel 71, makes gyro wheel 71 keep contacting with bridge pier 10, plays the effect of stabilizing frame platform 1 in frame platform 1 lift in-process. In an embodiment, the elastic component 72 includes a horizontal plate 721, two vertical plates 722, a roller bracket 723 and a third spring 724, the horizontal plate 721 is disposed on the frame platform 1, the number of the vertical plates 722 is two, the two vertical plates 722 are disposed on the horizontal plate 721 at intervals, long holes are disposed at positions corresponding to the two vertical plates 721, the roller bracket 723 is U-shaped, a roller shaft 725 is disposed on the roller 71, two ends of the roller shaft 725 respectively penetrate through two side walls of the U-shape of the roller bracket 723 and then respectively penetrate through the long holes of the two vertical plates 722, one end of the third spring 724 is connected to the U-shape bottom of the roller bracket 723, and the other end is connected to the frame platform 1. The roller 71 is kept in contact with the pier 10 by the elastic force of the third spring 724.

In one embodiment, the frame platform 1 is provided with a ladder 8, and the ladder 8 is formed by splicing a plurality of ladder 8 sections. 8 sections of cat ladder splice, need increase at the top when having solved cat ladder 8 and set up in the past, have a large amount of high altitude construction, need jack-up machinery cooperation, pier 10 is higher more, and the difficult problem that the difficulty is bigger more only need when every promotes 8 sections of height of a standard cat ladder, 8 sections of extension, quick, safety of cat ladder 8 lower parts through continuing to splice the cat ladder of having assembled.

In an embodiment, the control system 4 includes a hydraulic power pump station and a PLC connected to the hydraulic power pump station, the hydraulic power pump station is disposed on the frame platform 1 and is respectively connected to the climbing jack 22, the rotary pull jack 54 and the tensioning jack 214 through hydraulic oil pipes, the PLC sends a command to the hydraulic power pump station, and the hydraulic power pump station feeds oil or returns oil to the climbing jack 22, the rotary pull jack 54 and the tensioning jack 214 through the hydraulic oil pipes to control the lifting jack 22, the rotary pull jack 54 and the tensioning jack 214 to eject or retract.

In an embodiment, the frame platform 1 includes two main beams arranged at intervals and a plurality of secondary beams arranged on the two main beams, the main beams include a first outer side section, a second outer side section and a plurality of support sections which are connected in sequence, the number of the plurality of support sections is the same as that of the climbing mechanisms 2, and the climbing mechanisms 2 are arranged on the corresponding support sections, the plurality of support sections are arranged in sequence, the two adjacent support sections are connected through a connecting section, the first outer side section and the second outer side section are respectively arranged on the two support sections located on the outer side, the first outer side section, the second outer side section and the connecting section are standard beret groups, each beret group is formed by splicing a plurality of beret pieces, and the support sections are steel structures. Because the interval between pier 10 is not a fixed value, the length of girder can be adjusted according to the distance between pier 10 to the linkage segment adoption bailey piece group. And the shear force at the support section of the main beam is the largest, and the steel structure of the support section increases the shear-resistant area.

The use process of the bridge pier capping beam climbing installation device is briefly described as follows:

s1, assembling the bridge pier capping beam climbing installation device;

s11, calibrating and installing elevation bit lines of the two hoop assemblies 21 on the pier 10, then installing the hoop assembly 21 above the elevation bit lines at the position corresponding to the pier 10, and screwing the locking nut 92 on the locking bolt 91 to a set torsion;

s12, hoisting the frame platform 1 to the hoop component 21 above, and connecting the hoop component 21 above with the frame platform 1 by using the hoisting rod 23 and the hoisting nut 25;

s13, installing a screw rod mechanism in the balance beam, and then installing the balance beam at the corresponding position of the frame platform 1;

s14, installing the template mechanism 5 on the frame platform 1, and moving the movable template and the framework support pad 55 to the first area of the frame platform 1 through the screw rod mechanism;

s15, sequentially installing the hoop component 21, the climbing jack 22 and the balance weight chest developer 6 at the lower part according to the corresponding positions, wherein for the convenience of description, the hoop component 21 at the upper part is called a top hoop component 21, and the hoop component 21 at the lower part is called a bottom hoop component 21;

s2, assembling the bent cap steel bar framework 20 on the framework support pad 55 according to the requirement of a design drawing, hydraulically compressing or releasing the first spring 64 by rotating the adjusting nut 67 according to the calculated counterweight pulling force so as to adjust the friction force between the friction assembly 66 of the first spring 64 and the reel 63 and the fixed shaft 62 respectively, and setting the maximum static friction force output by the balance counterweight chest expander 6 as the calculated counterweight pulling force;

s3, climbing the pier capping beam climbing installation device;

s31, controlling the top hoop assembly 21 and the tensioning jack 214 of the bottom hoop assembly 21 to eject, locking the top hoop assembly 21 and the bottom hoop assembly 21 on the pier 10, and removing the locking bolt 91 and the locking nut 92 on the top hoop assembly 21;

s32, controlling the tensioning jack 214 on the top hoop assembly 21 to contract, and loosening the top hoop assembly 21;

s33, controlling the climbing jack 22 to jack upwards, jacking the frame platform 1 upwards for a stroke, and jacking the top hoop component 21 upwards for a stroke along with the frame platform 1;

s34, controlling the ejection of the tensioning jack 214 on the top hoop assembly 21, locking the top hoop assembly 21 on the pier 10, controlling the contraction of the tensioning jack 214 on the bottom hoop assembly 21, and loosening the bottom hoop assembly 21;

s35, controlling the climbing jack 22 to contract, and pulling the bottom hoop assembly 21 upwards for a stroke;

s36, controlling the tensioning jack 214 on the bottom hoop component 21 to eject, locking the bottom hoop component 21 on the pier 10, completing a standard climbing stroke, and in the process, releasing the tension rope in time by the balance weight chest developer 6 in a constant load state, and keeping the balance of the frame platform 1;

s37, repeating the steps S32 to S36, continuing climbing operation of the next standard stroke until the bottom of the steel reinforcement cage 20 of the bent cap is higher than the embedded steel reinforcement of the pier 10, and timely lengthening the ladder 8 by the ladder 8 sections in the process;

s38, installing the locking bolt 91 and the locking nut 92 on the top hoop component 21 to fixedly connect the top hoop component 21 on the pier 10, and completing climbing operation;

s4, the control driving unit 34 drives the lead screw main shaft 32 to rotate, the lead screw shaft sleeve 33 is driven by the lead screw main shaft 32 to linearly move along the sliding groove 121, the cover beam steel bar framework 20 on the framework support pad 55 is moved from the first area to the second area of the framework platform 1, the cover beam steel bar framework 20 is positioned above the bridge pier 10, the translation action is completed, meanwhile, the adjusting nut 67 on the balance weight chest expander 6 is rotated, the first spring 64 is loosened, and the balance weight tension is eliminated;

s5, installing the bent cap steel reinforcement framework 20;

s51, after the bent cap reinforcement cage 20 is accurately positioned, detaching the locking bolt 91 and the locking nut 92 on the top hoop assembly 21, controlling the tensioning jack 214 on the top hoop assembly 21 to contract, and loosening the top hoop assembly 21;

s52, controlling the climbing jack 22 to contract to drive the frame platform 1 to descend until the bent cap steel reinforcement framework 20 descends to a specified position;

s53, removing the framework support pad 55, and loosening the hanger rod 23 to enable the distance between the framework platform 1 and the top hoop assembly 21 to meet the requirement;

s54, opening a sand filling valve 245 and a vent valve 246 of the unloading sand box 24, filling equal fine sand 243 into a sand box cylinder 242, and locking the sand filling valve 245 and the vent valve 246 after tamping;

s55, tightening the suspender 23 to enable the sand box piston 241 of the unloading sand box 24 to prop against the frame platform 1;

s56, controlling the climbing jack 22 to ascend, and jacking the template mechanism 5 on the frame platform 1 to a corresponding position;

s57, controlling the tensioning jack 214 of the top hoop assembly 21 to eject, locking the top hoop assembly 21 on the pier 10, installing the locking bolt 91 and the locking nut 92, and locking the locking bolt 91 to a preset tension;

s6, installing a cover beam template;

s61, removing impurities and the like of the side mold 52, then controlling the rotary pull jack 54 to extend, turning the supporting side mold 52 upwards to abut against the fixed bottom mold 51, reinforcing the side mold 52 after the side mold 52 reaches a corresponding position, completing installation of the side mold 52, and waiting for pouring of cover beam concrete;

s7, descending the pier capping beam climbing installation device;

s71, controlling the tensioning jack 214 of the bottom hoop assembly 21 to contract after the concrete strength of the capping beam reaches, and loosening the bottom hoop assembly 21;

s72, opening the sand unloading valve 244 of the unloading sand box 24 to slowly descend the frame platform 1 until the fixed bottom die 51 and the movable bottom die 53 are separated from the cover beam concrete, eliminating the internal force of the frame platform 1 and locking the hanger rod 23;

s73, controlling the climbing jack 22 to extend for a stroke to drive the bottom hoop component 21 to descend for a stroke;

s74, controlling the tensioning jack 214 of the bottom hoop component 21 to eject, and locking the bottom hoop component 21 on the pier 10;

s75, removing the locking bolt 91 on the top hoop assembly 21, controlling the tensioning jack 214 of the top hoop assembly 21 to contract, and loosening the top hoop assembly 21;

s76, controlling the climbing jack 22 to contract for a stroke to drive the frame platform 1 and the top hoop component 21 to descend for a stroke;

s77, controlling the tensioning jack 214 of the top hoop assembly 21 to eject, locking the top hoop assembly 21 on the pier 10 to complete a standard descending stroke, then controlling the tensioning jack 214 of the bottom hoop assembly 21 to contract, and loosening the bottom hoop assembly 21;

and S78, repeating the steps S73 to S77 until the pier cap beam climbing installation device returns to the ground, and in the process, timely removing the segment of the ladder stand 8 in sections.

Compared with the prior art, the invention has the beneficial effects that: the erection of a frame platform 1 and a template of a capping beam on the ground is realized, a capping beam steel reinforcement framework 20 is installed on the frame platform 1, the capping beam steel reinforcement framework climbs to the top of a pier 10 through a climbing mechanism 2, then the capping beam steel reinforcement framework 20 is translated to a designed horizontal position through a translation mechanism 3, and the capping beam steel reinforcement framework 20 is synchronously climbed, so that the problems that the capping beam steel reinforcement framework 20 is difficult to integrally hoist, labor and time are consumed for decentralized hoisting, and the potential safety hazard is high are solved; after the bent cap pouring and concreting are finished, the frame platform 1 of the bent cap can return to the ground through the climbing mechanism 2 and then is detached, all original high-altitude operations are completely converted into ground operations, potential safety hazards are eliminated, the safety is more controllable, the operation environment of constructors is greatly improved, the working efficiency can be improved, a large number of machine operation shifts are reduced, and a large amount of cost and energy consumption are saved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention will still fall within the scope of the technical solution of the present invention without departing from the content of the technical solution of the present invention.

Claims

1. The utility model provides a pier bent cap installation device that climbs which characterized in that includes:

the bridge pier comprises a frame platform, wherein a through hole for a bridge pier to pass through is formed in the frame platform, and the upper surface of the frame platform is provided with a first area and a second area;

2. The bridge pier capping beam climbing installation device according to claim 1, further comprising a template mechanism, wherein the template mechanism comprises three fixed template assemblies, two movable bottom templates and two end templates, the three fixed template assemblies are respectively arranged on the frame platform along the transverse bridge direction at intervals, an installation space for installing the movable bottom templates is formed between every two adjacent fixed template assemblies, each fixed template assembly comprises a fixed bottom template, two side templates and two rotary pull jacks, the fixed bottom template is fixed in a second area of the frame platform, the two side templates are respectively hinged at two ends of the fixed bottom template along the bridge direction, oil cylinders of the two rotary pull jacks are respectively hinged at two ends of the frame platform along the bridge direction, piston rods of the two rotary pull jacks are respectively hinged with the two side templates, and the two movable bottom templates are respectively movably arranged in the two installation spaces, and the control system is connected with a rotary pull jack.

3. The bridge pier capping beam climbing installation device according to claim 2, wherein two balance beams are arranged on the upper surface of the frame platform at intervals, the translation mechanism comprises two screw rod mechanisms respectively arranged in the two balance beams, the screw rod mechanism comprises two bearing seats arranged at intervals, a screw rod main shaft arranged on the two bearing seats, two screw rod shaft sleeves matched with the screw rod main shaft and arranged at intervals, and a driving unit for driving the screw rod main shaft to rotate, sliding grooves for the screw rod shaft sleeves to move are formed in the balance beams, the two movable bottom dies correspond to the two screw rod mechanisms one by one, and the movable bottom dies are arranged on the two screw rod shaft sleeves of the corresponding screw rod mechanisms.

4. The bridge pier capping beam climbing installation device according to claim 1, further comprising a balance weight tensioner, wherein the balance weight tensioner comprises an installation frame, a fixed shaft, a reel, a first spring, a tension rope, a friction assembly and an adjusting nut, the fixed shaft is fixed on the installation frame, the reel, the friction assembly, the first spring and the adjusting nut are all sleeved on the fixed shaft, the friction assembly is in a round platform structure, a round platform hole matched with the friction assembly is formed in one end of the reel, the friction assembly is inserted into the round platform hole, two ends of the first spring are respectively abutted against the friction assembly and the adjusting nut, the adjusting nut is in threaded connection with the fixed shaft, the pressure of the first spring on the friction assembly can be adjusted by rotating the adjusting nut, so that the friction force between the friction assembly and the reel and the fixed shaft is adjusted, one end of the tension rope is fixed on the reel, and the other end of the tension rope is connected with one end, far away from the first area, of the frame platform.

5. The bridge pier capping beam climbing installation device according to claim 1, wherein the climbing mechanism comprises two hoop assemblies which are vertically and alternately sleeved outside the bridge pier and are used for clamping or loosening the bridge pier, the hoop assembly positioned above is connected with the frame platform, a plurality of climbing jacks are arranged on the hoop assembly positioned below at intervals, and piston rods of the climbing jacks are connected with the frame platform.

6. The bridge pier capping beam climbing installation device according to claim 5, wherein a plurality of hanging rods and a plurality of unloading sand boxes are arranged on the hoop assembly above the hoop assembly, adjusting through holes for the hanging rods to pass through are respectively formed in the frame platform, hoisting nuts are connected to the hanging rods after the hanging rods pass through the corresponding adjusting through holes in a threaded mode, and top ends of the unloading sand boxes are abutted to the frame platform.

7. The bridge pier capping beam climbing installation device according to claim 5, wherein the hoop component comprises a first template block, a second template block, a third template block, a tensioning jack, a pull rod and a second spring, the first template block, the second template block and the third template block are sequentially hinged and are arc-shaped, a first lug plate is arranged at one end of the first template block close to the third template block, a second lug plate is arranged at one end of the third template block close to the first template block, the tensioning jack is arranged on the first lug plate, the pull rod sequentially penetrates through the tensioning jack and the first lug plate and then is connected with the second lug plate, and the second spring is located between the first lug plate and the second lug plate and is sleeved on the pull rod.

8. The bridge pier capping beam climbing installation device according to claim 7, further comprising a locking assembly, wherein the locking assembly comprises a plurality of locking bolts and locking nuts arranged on the locking bolts, a plurality of locking through holes for the plurality of locking bolts to pass through are formed in corresponding positions on the first lug plate and the second lug plate of the hoop assembly located above the locking assembly, and the locking bolts are connected with the locking nuts after passing through the corresponding locking through holes.

9. The pier capping beam climbing installation device according to claim 1, wherein a guide stopper is provided on a side wall of the through hole away from the first region, the guide stopper including a roller and an elastic member connected to the roller for abutting the roller against the pier.

10. The bridge pier capping beam climbing installation device according to claim 1, wherein a ladder stand is arranged on the frame platform and is formed by splicing a plurality of ladder stand sections.