CN108453908B - Temporary consolidation cutting system and method for cantilever casting box girder - Google Patents
Temporary consolidation cutting system and method for cantilever casting box girder Download PDFInfo
- Publication number
- CN108453908B CN108453908B CN201810406195.8A CN201810406195A CN108453908B CN 108453908 B CN108453908 B CN 108453908B CN 201810406195 A CN201810406195 A CN 201810406195A CN 108453908 B CN108453908 B CN 108453908B
- Authority
- CN
- China
- Prior art keywords
- cutting
- sliding plate
- concrete foundation
- steel pipe
- wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
-
- 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
- E01D21/10—Cantilevered erection
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a temporary consolidation cutting system and a temporary consolidation cutting method for a suspension casting box girder. The temporary consolidation structure system comprises an isolation layer, a sulfur mortar layer stiffening core, screw steel and the like; the operation platform comprises a steel pipe support and a lifting platform, wherein the lifting platform achieves the effect of lifting the operation platform by winding and unwinding a first steel rope; the cutting machine arrangement system comprises universal wheels, fixed wheels, diamond wires, tenons, sliding plates, motors, large driving wheels, small driving wheels and the like. According to the concrete cutting device, a constructor is not required to calibrate the cutting position at any time in the concrete cutting process, the problems that in the cutting process, a traditional air pump air pick device and the like are required to control the device at any time by the constructor are avoided, the constructor cannot deviate from a preset cutting position, the safety of the constructor is ensured, and the constructor is prevented from being injured by the constructor due to the fact that a traditional ultrahigh-pressure water jet knife is improperly operated in the construction process.
Description
Technical Field
The invention relates to the technical field of wire cutting, in particular to a system and a cutting method for diamond wire cutting concrete.
Background
The cantilever construction can be applied to large-span bridges, can span river channels and valleys, is little affected by terrains, can reduce the procedures of hoisting and the like, is formed at one time, simplifies the bridge construction procedure, is simultaneously applicable to the advantages of various bridge types, such as girder type bridges, rigid frames, arch bridges, cable-stayed bridges and the like, and in recent years, the cast-in-situ continuous box girder construction technology of the bridge is more mature and is more widely applied to bridge construction. In order to prevent the T structure from overturning in the process of pouring the hanging basket cantilever, the T structure and the pier body are temporarily solidified before construction, and the permanent support is not stressed too early according to related construction specifications and general design requirements, and the permanent support is not stressed in the process of hanging and pouring, so that the hanging and pouring load and the unbalanced overturning moment are born according to the temporary solidification structure. At present, the traditional temporary concreted concrete is chiseled by adopting air pump air pick equipment, an ultrahigh-pressure water knife and even explosive, the chiseling efficiency is low by adopting the air pump air pick equipment, a large amount of manpower is often required to be input, but the chiseling period is long. This method consumes a lot of manpower, material resources and financial resources, but cannot shorten the construction period. The ultra-high pressure water jet knife is adopted, so that the use cost is high, a large amount of water sand is needed, the pollution to the production environment is high, and the maintenance cost is high. As for the chiseling by adopting the explosive, the power of the explosive cannot be controlled, the building structure is easily damaged, and the constructors are easily injured.
Therefore, it is important to find a concrete foundation cutting system with simple cutting method, high construction efficiency, safe construction environment and cost saving.
Disclosure of Invention
The invention aims to overcome the defects and provide a temporary consolidation cutting system and a temporary consolidation cutting method for a suspension casting box girder. The aim of the invention is achieved by the following technical scheme:
the suspension casting box girder temporary consolidation cutting system comprises a temporary consolidation structure system, an operation platform and a cutting machine arrangement system, and is characterized in that:
the temporary consolidation structure system comprises a concrete foundation, two layers of isolation layers arranged in the concrete foundation, screw thread steel, a sulfur mortar layer stiffening core and a static breaker, wherein the sulfur mortar layer stiffening core is arranged between the two layers of isolation layers, the screw thread steel is arranged in the sulfur mortar layer stiffening core, and the screw thread steel is internally provided with the static breaker;
the operation platform comprises a steel pipe bracket and a lifting platform; the steel pipe support is used for placing a cutting machine arrangement system, the lifting platform is used for placing and cutting a concrete foundation and carrying, and the steel pipe support and the lifting platform are arranged on two opposite sides of the concrete foundation;
the cutting machine arrangement system comprises two universal wheels, two fixed wheels, two large driving wheels and a small driving wheel, wherein the fixed wheels are fixed on a wheel group placing plate through wheel group vertical connecting nails, the large driving wheels and the small driving wheels are arranged on a circuit element, the circuit element is connected with a control motor, a sliding plate corresponding groove is arranged at the bottom of the circuit element and the wheel group placing plate, the sliding plate is installed on the sliding plate through the sliding plate corresponding groove, the sliding plate is connected with a concrete foundation, a diamond wire is wound on the wheel group after being wound for a circle along the concrete foundation, second steel rope fixing holes are symmetrically arranged on two sides of the sliding plate corresponding to the groove, a second rope collecting motor is connected with the left end part of the sliding plate, and two ends of the second steel rope are connected to the second steel rope fixing holes after the second steel rope is connected with the second rope collecting motor.
The suspension casting box girder temporary consolidation cutting system is characterized in that a steel pipe bracket is arranged around a concrete foundation and comprises a plurality of bases arranged on the ground, a fixed groove is arranged in the base, a vertical steel pipe is vertically arranged in the fixed groove, a plurality of small holes with the same interval are respectively arranged on the vertical steel pipe and the fixed groove, and the vertical steel pipe is fixed on the fixed groove by a screw penetrating through the small holes; the middle part of the vertical steel pipe is provided with a bowl buckle connecting piece to erect a horizontal steel pipe, the top of the vertical steel pipe is provided with a lifting rod, and the upper end of the lifting rod is connected with a sliding plate.
The temporary consolidation and cutting system for the cantilever casting box girder is characterized in that tenons are arranged on two sides of the upper edge of the sliding plate, a T-shaped structure is integrally formed and matched with a corresponding groove structure of the sliding plate, and the sliding plate and the tenons are in sliding connection with the corresponding grooves of the sliding plate; the top of the vertical steel pipe and the bottom of the lifting rod are respectively provided with connecting holes with the same distance, and bolts penetrate through the corresponding connecting holes to connect the vertical steel pipe with the lifting rod.
The suspension casting box girder temporary consolidation cutting system is characterized in that the lifting platform comprises a chassis, tires are arranged at the bottom of the chassis, a transportation platform is arranged on the upper portion of the chassis, springs are arranged between the chassis and the transportation platform, first rope winding motors are respectively arranged on two sides of the chassis, one end of each first steel rope is fixed on each first rope winding motor, and the other end of each first steel rope is fixed on the side face of the transportation platform.
The temporary consolidation and cutting system for the cantilever casting box girder is characterized in that a sliding plate and a concrete connecting piece are arranged on the end face of the sliding plate, and the sliding plate is fixedly connected with the concrete connecting piece and a concrete foundation through bolts.
The suspension casting box girder temporary consolidation cutting system is characterized in that a wheel set vertical connecting nail is arranged on a fixed wheel and is connected to a wheel set placing plate through the wheel set vertical connecting nail, and a universal wheel is connected to the wheel set placing plate through a screw.
The temporary consolidation and cutting system for the cantilever casting box girder is characterized in that a wiring port is arranged on the side face of a circuit element, a control motor is connected with the wiring port on the circuit element through a transmission line, and the control motor provides power for a large driving wheel and a small driving wheel on the circuit element.
The temporary consolidation and cutting system for the suspension casting box girder is characterized in that a cushion block is arranged among grooves corresponding to the circuit element, the wheel set placing plate and the sliding plate; the bottom of the sliding plate is provided with a groove fixing plate, and after the sliding plate is connected with the sliding plate and the tenons, the sliding plate is fixed with the sliding plate and the corresponding groove by a groove vertical connecting nail and the groove fixing plate.
The suspension casting box girder temporary consolidation cutting system is characterized in that diamond wire mounting grooves for winding diamond wires are formed in the universal wheels, the fixed wheels, the large driving wheels and the small driving wheels.
The method for cutting off the temporary consolidation structure system based on the cutting off system is characterized by comprising the following steps:
1) The operation platform is erected and comprises a steel pipe support and a lifting platform:
the steel pipe support is erected as follows: the steel pipe support is arranged around the concrete foundation and comprises a plurality of bases arranged on the ground, a fixed groove is arranged in the base, a vertical steel pipe is inserted into the fixed groove, a plurality of small holes with the same interval are respectively arranged on the vertical steel pipe and the fixed groove, and the vertical steel pipe is fixed on the fixed groove by inserting screws into the corresponding small holes; a bowl buckle connecting piece is adopted in the middle of the vertical steel pipe to erect a transverse steel pipe, a connecting hole corresponding to the bottom of a lifting rod is selected from the top of the vertical steel pipe according to the height required by actual cutting, the upper end of the lifting rod is connected with a sliding plate through a bolt, a tenon is arranged at the edge of the upper surface of the sliding plate, and the whole is of a T-shaped structure;
the lifting platform is erected on the other side of the concrete foundation opposite to the cutting machine arrangement system, the lifting platform is moved to the other side of the concrete foundation by using a tire, the first rope winding motor is closed, the first steel rope is loosened, and the spring is lifted under the action of self elasticity until the lifting platform reaches the height to be cut;
2) Installing a fixed cutting machine on the edge of a concrete foundation, moving the assembled cutting machine arrangement system onto a steel pipe support, driving a concrete connecting piece arranged at the end part of a sliding plate into the concrete foundation through a top screw to connect a sliding plate with the concrete foundation, connecting a circuit element on the cutting machine arrangement system and a wheel group placing plate with tenons on the sliding plate through corresponding grooves of the sliding plate, fixing the cutting machine arrangement system through groove fixing plates and groove vertical connecting nails after the position is determined, checking whether the cutting machine is fixed firmly, and connecting a motor 1 to a power supply and debugging; after all the diamond wires are ready, the diamond wires are wound on a large driving wheel, a fixed wheel, a small driving wheel, a fixed wheel, a large driving wheel and a universal wheel of the cutting machine in sequence after being wound for one circle along the concrete foundation;
3) Placing a water purifying pond on the bridge deck of the suspended casting box girder before cutting, and leading out water flow in the water purifying pond to cutting positions of the fixed wheels, the universal wheels and the concrete foundation by using a PVC hose; before cutting, fixing a PVC hose near a cutting edge, cutting off after a water source is opened, arranging a water collecting tank around a concrete foundation, and introducing water into a wastewater tank for collection;
4) Cutting off the temporary consolidation concrete, opening a control motor, starting a cutting device, driving a large driving wheel and a small driving wheel to rotate by a circuit element, cutting off a first knife of a concrete foundation by a diamond wire under the action of a universal wheel, the large driving wheel and a fixed wheel, wherein the cutting position is a strong core of a sulfur mortar layer in a temporary consolidation structure system, in the cutting process, a second steel rope moves leftwards under the action of the pulling force of a second rope collecting motor, driving a sliding plate to move leftwards corresponding to a groove and a circuit element and a wheel group placing plate connected with the sliding plate, and driving the diamond wire to move leftwards under the driving of a wheel group to complete the cutting process; after the first knife cutting is completed, a first knife cutting seam is obtained; adjusting the height of the cutting machine to cut off the second knife to obtain a second knife cutting seam, and circularly constructing the second knife cutting seam to cut off the top of the temporary consolidation structure system so as to achieve the aim of removing temporary consolidation;
5) And removing the cut concrete foundation blocks, moving the cut concrete foundation blocks to a transportation platform of a lifting platform, and then starting a first rope winding motor to pull a first steel rope, so that the first steel rope connected with the transportation platform is recycled to the first rope winding motor, thereby lowering the transportation platform to the lowest point, and moving the concrete foundation blocks away from a construction site.
By adopting the technology, compared with the prior art, the invention has the following beneficial effects:
1) According to the invention, in the process of cutting the first knife and the second knife on the concrete, a constructor is not required to calibrate the cutting position at any time, the connecting hole between the lifting rod and the vertical steel pipe is selected directly according to the required height and is fixed by the bolt, so that the situation that the constructor is required to control the equipment at any time in the cutting process of the traditional air pump air pick equipment and the ultrahigh pressure water knife so as not to deviate from the preset cutting position is avoided;
2) The invention has higher construction speed, and in the process of cutting off, the second rope winding motor pulls the second steel rope to drive the whole cutting system to move left, so that the diamond wire can cut off the temporary consolidation structure system; the method comprises the steps that an operation platform is built on a construction site, diamond wires are wound for a circle along a concrete foundation and then are arranged on a fixed wheel and a driving wheel of a cutting machine, and then a motor is started to wait for 5-10 minutes to cut concrete into a knife;
3) The invention can not cause injury to constructors in the construction process, the constructors only need to ensure that the equipment can normally operate, and the problem that the constructors hurt themselves if the traditional ultrahigh-pressure water jet knife is improperly operated in the construction process is avoided.
Drawings
FIG. 1 is an elevation view of a temporary consolidation removal system for a cantilever box girder;
FIG. 2 is a plan view of a temporary consolidation removal system for a cantilever box girder;
FIG. 3 is a schematic diagram of the skeleton connection process of the slide plate and cutter arrangement system of FIG. 1;
FIG. 4 is a schematic illustration of a suspended casting box girder with temporary set concrete;
FIG. 5 is a schematic elevation view of a temporary set concrete cut completion;
FIG. 6 is a schematic diagram of a temporary consolidation architecture;
FIG. 7 is a schematic view of a lift platform;
in the figure: 1-controlling a motor; 2-large driving wheel; 3-a fixed wheel; 4-a concrete foundation; 5-a wiring port; 6-a circuit element; 7-a slide plate; 8, tenon; 9-diamond wire; 10-a screw; 11-a transmission line; 12-a wheel set placement plate; 13, a wheel group vertical connecting nail; 14-cushion blocks; 15-the corresponding groove of the sliding plate; 16-a groove fixing plate; 17-a groove vertical connecting nail; 18-connecting the slide plate with the concrete; 19-a bolt; 20-bowl buckle connecting piece; 21-a transverse steel pipe; 22-vertical steel pipes; 23-suspending casting box girders; 24-diamond wire mounting groove; 25-first knife cutting the seam; 26-cutting the seam with a second knife; 27-universal wheels; 28—a small drive wheel; 29-PVC hose; 30-a clean water reservoir; 31-bridge deck; 32-a fixed groove; 33-a base; 34-a wastewater tank; 35-a transportation platform; 36-a spring; 37-a first steel cord; 38-a first rope winding motor; 39-tyre; 40-screw steel; 41-a sulfur mortar layer stiffening core; 42-isolating layer; 43-static breaker; 44-lifting rod; 45-connecting holes, 46-second steel rope fixing holes, 47-second steel ropes, 48-second rope collecting motors and 49-chassis.
Description of the embodiments
The invention is further described below with reference to the accompanying drawings, but the scope of the invention is not limited thereto:
as shown in fig. 1-7, the suspension casting box girder temporary consolidation and removal system of the invention comprises a temporary consolidation structure system, an operation platform and a cutter arrangement system:
the temporary consolidation structure system comprises a concrete foundation 4, two layers of isolation layers 42 arranged in the concrete foundation 4, screw thread steel 40, a sulfur mortar layer stiffening core 41, a static breaker 43 and the sulfur mortar layer stiffening core 41, wherein the sulfur mortar layer stiffening core 41 is arranged between the two layers of isolation layers 42, the screw thread steel 40 is arranged in the sulfur mortar layer stiffening core 41, and the static breaker 43 is arranged in the screw thread steel 40;
as shown in the figure, the operation platform comprises a steel pipe bracket and a lifting platform; the steel pipe support is used for placing a cutter arrangement system, the lifting platform can also be placed on the steel pipe support, the lifting platform is used for placing and conveying a cut concrete foundation, and the cutter arrangement system and the lifting platform are arranged on two opposite sides of the concrete foundation 4;
as shown in fig. 1 and 2, the cutter arrangement system comprises two universal wheels 27, two fixed wheels 3, two large driving wheels 2 and one small driving wheel 28, wherein the universal wheels 27 and the fixed wheels 3 are provided with wheel set vertical connecting nails 13, and are connected to a wheel set placing plate 12 through the wheel set vertical connecting nails 13, and meanwhile, the universal wheels 27 are provided with screws 10 for fixing self members; the large driving wheel 2 and the small driving wheel 28 are arranged on the circuit element 6, a wiring port 5 is arranged on the side surface of the circuit element 6, the control motor 1 is connected with the wiring port 5 on the circuit element 6 through a transmission line 11, and the control motor 1 supplies power to the large driving wheel 2 and the small driving wheel 28 on the circuit element 6; the circuit element 6 and the bottom of the wheel set placing plate 12 are provided with sliding plate corresponding grooves 15, the sliding plate is arranged on the sliding plate 7 through the sliding plate corresponding grooves 15, the end face of the sliding plate 7 is provided with a sliding plate and a concrete connecting piece 18, the sliding plate and the concrete connecting piece 18 are fixedly connected with a concrete foundation 4 through bolts 19, a diamond wire 9 is wound on the wheel set after being wound along the concrete foundation 4 for one circle, as shown in figures 1 and 3, in order to cut continuity in the process, the invention symmetrically provides second steel rope fixing holes 46 at two sides of the sliding plate corresponding grooves 15, the left end part of the sliding plate 7 is connected with a second rope collecting motor 48, after the second steel rope 47 is connected with the second rope collecting motor 48, two ends of the second steel rope 47 are connected with the second steel rope fixing holes 46, in normal state, because the second rope winding motor 48 has pulling force to the second steel rope 47 all the time, after the second steel rope 47 is wound by the second rope winding motor 48, the distance between the two is shortest, before the cutting construction of the invention, the diamond wire 9 is wound on the concrete foundation 4, the cutter arrangement system is pulled rightmost, the sliding plate corresponding groove 15 moves to the rightmost end on the sliding plate 7, the distance between the second steel rope 47 and the second rope winding motor 48 is largest, the control motor 1 is started, the cutting work is carried out, the diamond wire 9 cuts the concrete foundation 4, and when the diamond wire 9 cuts the concrete foundation 4, the second steel rope 47 is driven to pull leftwards due to the pulling force of the second rope winding motor 48, and the second steel wire 47 drives the cutter arrangement system to continuously move leftwards, so that the complete cutting of the diamond wire 9 on the concrete foundation 4 is realized.
In order to ensure firm connection, a cushion block 14 is arranged among the circuit element 6, the wheel set placing plate 12 and the corresponding groove 15 of the sliding plate; the bottom of the sliding plate 7 is provided with a groove fixing plate 16, and after the sliding plate corresponding groove 15 is connected with the sliding plate 7 and the tenons 8, the sliding plate corresponding groove 15 and the sliding plate 7 are fixed by a groove vertical connecting nail 17 and the groove fixing plate 16.
As shown in fig. 3, tenons 8 are arranged on two sides of the upper edge of the sliding plate 7, a T-shaped structure is integrally formed and matched with the corresponding grooves 15 of the sliding plate, and the sliding plate 7 and the tenons 8 are in sliding connection with the corresponding grooves 15 of the sliding plate; the top of the vertical steel pipe 22 and the bottom of the lifting rod 44 are respectively provided with connecting holes 45 with the same distance, and bolts penetrate through the corresponding connecting holes 45 to connect the vertical steel pipe 22 with the lifting rod 44.
As shown in fig. 7, the lifting platform comprises a chassis 49, a tire 39 is arranged at the bottom of the chassis 49, a transportation platform 35 is arranged at the upper part of the chassis 49, a spring 36 is arranged between the chassis 49 and the transportation platform 35, a first rope winding motor 38 is respectively arranged at two sides of the chassis 49, one end of a first steel rope 37 is fixed on the first rope winding motor 38, and the other end is fixed on the side surface of the transportation platform 35.
In order to facilitate the installation of the diamond wire 9, the invention is provided with diamond wire installation grooves 24 for winding the diamond wire 9 on the universal wheel 27, the fixed wheel 3, the large driving wheel 2 and the small driving wheel 28.
As shown in the figure, the method for cutting the temporary consolidation structure system of the bottom surface of the cantilever box girder based on the temporary consolidation cutting system of the cantilever box girder comprises the following steps:
1) The operation platform is erected and comprises a steel pipe support and a lifting platform:
the steel pipe support is erected as follows: the steel pipe support is arranged around the concrete foundation 4 and comprises a plurality of bases 33 arranged on the ground, the distance between every two adjacent bases 33 is 0.5m, a fixed groove 32 is arranged in the base 33, the vertical steel pipe 22 is placed in the fixed groove 32, a plurality of small holes with the same interval are respectively arranged on the vertical steel pipe 22 and the fixed groove 32, and according to the actual height requirement, screws are inserted into the corresponding small holes on the vertical steel pipe 22 and the fixed groove 32, so that the vertical steel pipe 22 is fixed on the fixed groove 32; the middle part of the vertical steel pipe 22 is provided with a transverse steel pipe 21 by adopting a bowl buckle connecting piece 20, a connecting hole 45 corresponding to the bottom of a lifting rod 44 is selected from the top of the vertical steel pipe 22 according to the height required by actual cutting, the upper end of the lifting rod 44 is connected with a sliding plate 7 through a bolt, the edge of the upper surface of the sliding plate 7 is provided with a tenon 8, and the whole is of a T-shaped structure;
the lifting platform is erected on the other side of the concrete foundation 4 opposite to the steel pipe support, the lifting platform is moved to the other side of the concrete foundation 4 by utilizing a tire 39, the first rope collecting motor 38 is closed, the first steel rope 37 is loosened, the spring 36 rises under the action of self elastic force until the lifting platform reaches the height to be cut, and in order to facilitate the cutting, dust pollution to the lifting platform during the cutting is avoided;
2) The method comprises the steps that a fixed cutting machine is installed on the side of a concrete foundation 4 of a cutting machine arrangement system, the assembled cutting machine arrangement system is moved to a steel pipe support, a concrete connecting piece 18 arranged at the end of a sliding plate 7 is driven into the concrete foundation 4 through a top screw 19, the sliding plate 7 is connected with the concrete foundation 4, a circuit element 6 and a wheel set placing plate 12 on the cutting machine arrangement system are connected with tenons 8 on the sliding plate 7 through corresponding grooves 15 of the sliding plate, after the position is determined, the cutting machine is fixed through groove fixing plates 16 and groove vertical connecting nails 17, after the installation is finished, whether the cutting machine is fixed firmly is checked, and a motor 1 is connected with a power supply and is debugged; after all is ready, the diamond wire 9 is wound on the large driving wheel 2, the fixed wheel 3, the small driving wheel 28, the fixed wheel 3, the large driving wheel 2 and the universal wheel 27 of the cutting machine in sequence through the universal wheel 27 after being wound for one circle along the concrete foundation 4, as shown in figure 2;
3) Placing a water purifying pond 30 on a bridge deck 31 of the cantilever casting box girder 23 before cutting, and leading out water flow in the water purifying pond 30 to cutting positions of the fixed wheel 3, the universal wheel 27 and the concrete foundation 4 by utilizing a PVC hose 29 for storing circulating cooling water in the cutting process; before cutting, the PVC hose 29 is fixed near a cutting edge, cutting operation is carried out after a water source is opened, water mist is caused by rotation of the diamond wire 9 during operation, an operator notices to do waterproof work, meanwhile, a water collecting tank is arranged around the concrete foundation 4, and water is introduced into the wastewater tank 34 for collection;
4) In the cutting process of cutting off the temporary concreted concrete, the control motor 1 is started, the circuit element 6 drives the large driving wheel 2 and the small driving wheel 28 to rotate, the diamond wire 9 cuts off the concrete foundation 4 under the action of the universal wheel 27, the large driving wheel 2 and the fixed wheel 3 by a first cutter, the cutting position is the strength core 41 of the sulfur mortar layer, in the normal state, as the second rope collecting motor 48 always pulls the second steel rope 47, the distance between the two is shortest after the second steel rope 47 is collected by the second rope collecting motor 48, before the cutting operation of the invention, the diamond wire 9 is wound on the concrete foundation 4, the cutter arrangement system is pulled to the right end, the sliding plate corresponding groove 15 moves to the right end on the sliding plate 7, the distance between the second steel rope 47 and the second rope collecting motor 48 is the largest, the control motor 1 is started, the cutting work is carried out, the diamond wire 9 cuts the concrete foundation 4, when the diamond wire 9 cuts the concrete foundation 4, the second steel rope 47 is driven to pull leftwards due to the tension of the second rope collecting motor 48, the second steel rope 47 drives the cutting machine arrangement system to continuously move leftwards, the complete cutting of the concrete foundation 4 by the diamond wire 9 is realized, the height of the cutting machine is adjusted to carry out the second cutter cutting, the second cutter cutting seam 26 is obtained, the circular construction is carried out as shown in fig. 5, the cutting is symmetrically carried out during the cutting, and the top of the temporary consolidation structure system is cut off so as to achieve the purpose of removing temporary consolidation;
5) The removal of the cut concrete foundation block moves the cut concrete foundation block onto the transport platform 35 of the lifting platform, and then the first rope winding motor 38 is started to pull the first steel rope 37, so that the first steel rope 37 connected with the transport platform 35 is recovered into the first rope winding motor 38, and the transport platform 35 is lowered to the lowest point, and the concrete foundation block is moved away from the construction site, as shown in fig. 7.
The above embodiments do not limit the technical solutions of the present invention in any way, and all the technical solutions obtained by adopting equivalent substitution or equivalent transformation fall within the protection scope of the present invention.
Claims (8)
1. The suspension casting box girder temporary consolidation cutting system comprises a temporary consolidation structure system, an operation platform and a cutting machine arrangement system, and is characterized in that:
the temporary consolidation structure system comprises a concrete foundation (4), two layers of isolation layers (42), screw steels (40), a sulfur mortar layer stiffening core (41) and a static breaker (43) which are arranged in the concrete foundation (4), wherein the sulfur mortar layer stiffening core (41) is arranged between the two layers of isolation layers (42), the screw steels (40) are arranged in the sulfur mortar layer stiffening core (41), the static breaker (43) is arranged in the screw steels (40),
the operation platform comprises a steel pipe bracket and a lifting platform; the steel pipe support is used for placing a cutting machine arrangement system, the lifting platform is used for placing and cutting a concrete foundation and carrying, and the cutting machine arrangement system and the lifting platform are arranged on two opposite sides of the concrete foundation (4);
the cutting machine arrangement system comprises two universal wheels (27), two fixed wheels (3), two large driving wheels (2) and a small driving wheel (28), wherein the fixed wheels (3) are fixed on a wheel group placing plate (12) through wheel group vertical connecting nails (13), the large driving wheels (2) and the small driving wheels (28) are arranged on a circuit element (6), the circuit element (6) is connected with a control motor (1), sliding plate corresponding grooves (15) are formed in the bottoms of the circuit element (6) and the wheel group placing plate (12), the sliding plate corresponding grooves (15) are arranged on a sliding plate (7), the sliding plate (7) is connected with a concrete foundation (4), and diamond wires (9) are wound on the wheel group after being wound on the concrete foundation (4) for one circle; the sliding plate is symmetrically provided with second steel rope fixing holes (46) corresponding to the two sides of the groove (15), the left end part of the sliding plate (7) is connected with a second rope collecting motor (48), and after the second steel rope (47) is connected with the second rope collecting motor (48), two ends of the second steel rope (47) are connected to the second steel rope fixing holes (46); the lifting platform comprises a chassis (49), a tire (39) is arranged at the bottom of the chassis (49), a transportation platform (35) is arranged at the upper part of the chassis (49), a spring (36) is arranged between the chassis (49) and the transportation platform (35), first rope collecting motors (38) are respectively arranged at two sides of the chassis (49), one end of each first steel rope (37) is fixed on each first rope collecting motor (38), and the other end of each first steel rope is fixed on the side face of the transportation platform (35);
the steel pipe support is arranged around the concrete foundation (4) and comprises a plurality of bases (33) arranged on the ground, a fixing groove (32) is arranged in the bases (33), the vertical steel pipe (22) is vertically arranged in the fixing groove (32), a plurality of small holes with the same interval are respectively arranged on the vertical steel pipe (22) and the fixing groove (32), and the vertical steel pipe (22) is fixed on the fixing groove (32) through the small holes by screws; the middle part of the vertical steel pipe (22) is provided with a bowl buckle connecting piece (20) to erect a transverse steel pipe (21), the top of the vertical steel pipe (22) is provided with a lifting rod (44), and the upper end of the lifting rod (44) is connected with a sliding plate (7).
2. The temporary consolidation and cutting system for the cantilever casting box girder according to claim 1, wherein tenons (8) are arranged on two sides of the upper edge of the sliding plate (7), a T-shaped structure is integrally formed and matched with the structure of the corresponding groove (15) of the sliding plate, and the sliding plate (7) and the tenons (8) are in sliding connection with the corresponding groove (15) of the sliding plate; the top of the vertical steel pipe (22) and the bottom of the lifting rod (44) are respectively provided with connecting holes (45) with the same distance, and bolts penetrate through the corresponding connecting holes (45) to connect the vertical steel pipe (22) with the lifting rod (44).
3. The temporary consolidation and cutting system for the cantilever casting box girder according to claim 2, wherein the end face of the sliding plate (7) is provided with a sliding plate and concrete connecting piece (18), and the sliding plate and concrete connecting piece (18) are fixedly connected with the concrete foundation (4) through bolts (19).
4. A suspension casting box girder temporary consolidation cutting system according to claim 3, characterized in that the fixed wheel (3) is provided with a wheel group vertical connecting nail (13) and is connected with a wheel group placing plate (12) through the wheel group vertical connecting nail (13), and the universal wheel (27) is connected with the wheel group placing plate (12) through a screw (10).
5. The temporary consolidation and cutting system for the cantilever casting box girder according to claim 4, wherein a wiring port (5) is arranged on the side surface of the circuit element (6), the control motor (1) is connected with the wiring port (5) on the circuit element (6) through a transmission line (11), and the control motor (1) supplies power to a large driving wheel (2) and a small driving wheel (28) on the circuit element (6).
6. The temporary consolidation and cutting system for the cantilever casting box girder according to claim 5, which is characterized in that a cushion block (14) is arranged between the circuit element (6), the wheel group placing plate (12) and the corresponding groove (15) of the sliding plate; the bottom of the sliding plate (7) is provided with a groove fixing plate (16), and after the sliding plate corresponding groove (15) is connected with the sliding plate (7) and the tenons (8), the sliding plate corresponding groove (15) and the sliding plate (7) are fixed by the groove vertical connecting nails (17) and the groove fixing plate (16).
7. The temporary consolidation and cutting system for the cantilever box girder according to claim 6, wherein diamond wire mounting grooves (24) for winding the diamond wire (9) are formed on the universal wheel (27), the fixed wheel (3), the large driving wheel (2) and the small driving wheel (28).
8. A method of cleaving a temporary consolidated structural system based on the cleaving system of claim 7, comprising the steps of:
1) The operation platform is erected and comprises a steel pipe support and a lifting platform:
the steel pipe support is erected as follows: the steel pipe support is arranged around the concrete foundation (4) and comprises a plurality of bases (33) arranged on the ground, fixing grooves (32) are arranged in the bases (33), vertical steel pipes (22) are inserted into the fixing grooves (32), a plurality of small holes with the same interval are respectively arranged on the vertical steel pipes (22) and the fixing grooves (32), and the vertical steel pipes (22) are fixed on the fixing grooves (32) through inserting screws into the corresponding small holes; a bowl buckle connecting piece (20) is adopted in the middle of a vertical steel pipe (22) to erect a transverse steel pipe (21), a connecting hole (45) corresponding to the bottom of a lifting rod (44) is selected from the top of the vertical steel pipe (22) according to the height required by actual cutting, the vertical steel pipe is connected with the lifting rod (44) through a bolt, the upper end of the lifting rod (44) is connected with a sliding plate (7), a tenon (8) is arranged at the edge of the upper surface of the sliding plate (7), and the whole structure is of a T-shaped structure;
the lifting platform is erected on the other side of the concrete foundation (4) opposite to the cutting machine arrangement system, the lifting platform is moved to the other side of the concrete foundation (4) by using a tire (39), the first rope winding motor (38) is closed, the first steel rope (37) is loosened, and the spring (36) rises under the action of self elasticity until the lifting platform reaches the height to be cut;
2) The method comprises the steps that a fixed cutting machine is arranged on the side of a concrete foundation (4) of a cutting machine arrangement system, the assembled cutting machine arrangement system is moved to a steel pipe support, a sliding plate arranged at the end of a sliding plate (7) and a concrete connecting piece (18) are driven into the concrete foundation (4) through a top bolt (19), the sliding plate (7) and the concrete foundation (4) are connected together, a circuit element (6) and a wheel group placing plate (12) on the cutting machine arrangement system are connected with tenons (8) on the sliding plate (7) through corresponding grooves (15) of the sliding plate, after the positions are determined, the cutting machine is fixed through groove fixing plates (16) and groove vertical connecting nails (17), after the installation is finished, whether the cutting machine is fixed firmly is checked, and a motor (1) is connected with a power supply and is debugged; after all the diamond wires (9) are ready to be wound along the concrete foundation (4) for a circle, and then are sequentially wound on a large driving wheel (2), a fixed wheel (3), a small driving wheel (28), the fixed wheel (3), the large driving wheel (2) and the universal wheel (27) of the cutting machine through the universal wheel (27);
3) Placing a water purifying pond (30) on a bridge deck (31) of the cantilever casting box girder (23) before cutting, and leading out water flow in the water purifying pond (30) to cutting positions of the fixed wheel (3), the universal wheel (27) and the concrete foundation (4) by using a PVC hose (29); before cutting, fixing a PVC hose (29) near a cutting edge, cutting off after opening a water source, arranging a water collecting tank around a concrete foundation (4), and introducing water into a wastewater tank (34) for collection;
4) Cutting off the temporary concreting control motor (1), starting a cutting device, driving a large driving wheel (2) and a small driving wheel (28) to rotate by a circuit element (6), cutting off a concrete foundation (4) by a diamond wire (9) under the action of a universal wheel (27), the large driving wheel (2) and a fixed wheel (3), wherein the cutting position is a sulfur mortar layer stiffening core (41) in the temporary concreting structure system, in the cutting process, a second steel rope (47) moves leftwards under the action of the pulling force of a second rope collecting motor (48), and drives a sliding plate corresponding groove (15) and a circuit element (6) and a wheel group placing plate (12) connected with the sliding plate to move leftwards, and the diamond wire (9) moves leftwards under the driving of a wheel group to complete the cutting process; after the first knife cutting is completed, a first knife cutting seam (25) is obtained; adjusting the height of the cutting machine to cut off the second knife to obtain a second knife cutting seam (26), and circularly constructing to cut off the top of the temporary consolidation structure system so as to achieve the aim of removing temporary consolidation;
5) The cut concrete foundation block is moved to a conveying platform (35) of the lifting platform by removing the cut concrete foundation block, then a first rope collecting motor (38) is started to pull a first steel rope (37), the first steel rope (37) connected with the conveying platform (35) is recovered to the first rope collecting motor (38), and accordingly the conveying platform (35) is lowered to the lowest point, and the concrete foundation block is removed from a construction site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810406195.8A CN108453908B (en) | 2018-04-30 | 2018-04-30 | Temporary consolidation cutting system and method for cantilever casting box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810406195.8A CN108453908B (en) | 2018-04-30 | 2018-04-30 | Temporary consolidation cutting system and method for cantilever casting box girder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108453908A CN108453908A (en) | 2018-08-28 |
| CN108453908B true CN108453908B (en) | 2023-09-26 |
Family
ID=63236094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810406195.8A Active CN108453908B (en) | 2018-04-30 | 2018-04-30 | Temporary consolidation cutting system and method for cantilever casting box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108453908B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453908B (en) * | 2018-04-30 | 2023-09-26 | 安徽省公路桥梁工程有限公司 | Temporary consolidation cutting system and method for cantilever casting box girder |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101768926A (en) * | 2009-12-29 | 2010-07-07 | 中铁隧道集团有限公司 | Diamond rope saw static force cutting method |
| CN102373709A (en) * | 2011-11-23 | 2012-03-14 | 中铁大桥局集团第二工程有限公司 | Construction method for underwater cutting of reinforced concrete pile body |
| CN102808526A (en) * | 2011-06-01 | 2012-12-05 | 永升建设集团有限公司 | Nondestructive demolition construction method of reinforced concrete frame beam |
| CN102828472A (en) * | 2012-09-20 | 2012-12-19 | 中铁八局集团第一工程有限公司 | Method for cutting off temporary support of continuous girder bridge by wire saw |
| CN203475866U (en) * | 2013-08-09 | 2014-03-12 | 中建一局集团第三建筑有限公司 | Static cutting machine |
| CN103981816A (en) * | 2014-04-15 | 2014-08-13 | 河南省公路工程局集团有限公司 | Construction method for underpinning of overpass framework pier columns |
| CN104695314A (en) * | 2015-02-17 | 2015-06-10 | 中交一航局第四工程有限公司 | Construction method for cutting concrete by using diamond wire saw |
| CN104831639A (en) * | 2015-05-13 | 2015-08-12 | 中建六局土木工程有限公司 | Consolidation and release construction method for 0# blocks of ultra-wide non-uniform continuous beam |
| CN204658710U (en) * | 2015-06-01 | 2015-09-23 | 江西天弟特种机械材料有限公司 | A kind of hydraulic pressure rope saw |
| CN108453908A (en) * | 2018-04-30 | 2018-08-28 | 安徽省公路桥梁工程有限公司 | Cantilever box beam temporary consolidation cuts off system and cuts off method |
-
2018
- 2018-04-30 CN CN201810406195.8A patent/CN108453908B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101768926A (en) * | 2009-12-29 | 2010-07-07 | 中铁隧道集团有限公司 | Diamond rope saw static force cutting method |
| CN102808526A (en) * | 2011-06-01 | 2012-12-05 | 永升建设集团有限公司 | Nondestructive demolition construction method of reinforced concrete frame beam |
| CN102373709A (en) * | 2011-11-23 | 2012-03-14 | 中铁大桥局集团第二工程有限公司 | Construction method for underwater cutting of reinforced concrete pile body |
| CN102828472A (en) * | 2012-09-20 | 2012-12-19 | 中铁八局集团第一工程有限公司 | Method for cutting off temporary support of continuous girder bridge by wire saw |
| CN203475866U (en) * | 2013-08-09 | 2014-03-12 | 中建一局集团第三建筑有限公司 | Static cutting machine |
| CN103981816A (en) * | 2014-04-15 | 2014-08-13 | 河南省公路工程局集团有限公司 | Construction method for underpinning of overpass framework pier columns |
| CN104695314A (en) * | 2015-02-17 | 2015-06-10 | 中交一航局第四工程有限公司 | Construction method for cutting concrete by using diamond wire saw |
| CN104831639A (en) * | 2015-05-13 | 2015-08-12 | 中建六局土木工程有限公司 | Consolidation and release construction method for 0# blocks of ultra-wide non-uniform continuous beam |
| CN204658710U (en) * | 2015-06-01 | 2015-09-23 | 江西天弟特种机械材料有限公司 | A kind of hydraulic pressure rope saw |
| CN108453908A (en) * | 2018-04-30 | 2018-08-28 | 安徽省公路桥梁工程有限公司 | Cantilever box beam temporary consolidation cuts off system and cuts off method |
Non-Patent Citations (1)
| Title |
|---|
| 何波.金刚石绳锯在桥梁施工中的运用.《城市建筑》.2016,(第32期),第224-225页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108453908A (en) | 2018-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4504910B2 (en) | Dolly and method of erection of temporary pier using it | |
| CN102704949A (en) | No-pull rod side wall construction method for underground tunnel and formwork trolley for construction | |
| CN103161126A (en) | Road bridge variable section hollow high pier slip-form construction method | |
| CN202596743U (en) | Formwork trolley for underground tunnel pull-rod-free side wall construction | |
| CN109356167B (en) | Deep foundation pit support dismantling system and construction method | |
| CN104372743A (en) | Rapid construction method for trestle | |
| CN105965671A (en) | Hydraulic T-beam formwork construction device and technology | |
| CN102704674A (en) | Hydraulic self-elevating template for vertical shaft and construction method thereof | |
| CN108411922A (en) | The method for dismounting of bracing members | |
| CN114150593B (en) | Simple arch bridge dismantling and reconstructing structure and arch bridge dismantling and reconstructing method | |
| JP4134104B2 (en) | Bridge removal method | |
| CN110904969A (en) | High steep slope slab corridor structure concrete placement slipform system | |
| CN108453908B (en) | Temporary consolidation cutting system and method for cantilever casting box girder | |
| CN110468743B (en) | Movable hanging bracket for transformation of old bridge pier cap and construction method | |
| CN113774822B (en) | Dismantling method of old reinforced concrete bridge | |
| JP2006028881A (en) | Self-propelled pc floor slab erecting machine and pc floor slab erecting method | |
| CN110792038B (en) | Self-propelled mold hanging tool and method for high-altitude cast-in-place of tie rod arch bridge beam | |
| CN208664080U (en) | Cantilever box beam temporary consolidation cuts off system | |
| CN110438911B (en) | Construction method for local ecological demolition structure of urban bridge | |
| CN210366808U (en) | Lifting and dismantling device for rail walking | |
| CN114875813B (en) | Construction equipment and construction method for dismantling and rebuilding reinforced concrete steel frame arch bridge | |
| CN114561873B (en) | Bridge high pier construction method | |
| CN111794133B (en) | Method for dismantling concrete guardrail on bridge | |
| CN219431826U (en) | Construction structure for assisting shield to pass through ultra-deep foundation pit through temporary plate support | |
| KR200421801Y1 (en) | Constructing Apparatus of Bridge Pier Mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |