CN113430884B - Construction method for backfilling and hydraulic ramming compaction of platform back of structure - Google Patents
Construction method for backfilling and hydraulic ramming compaction of platform back of structure Download PDFInfo
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- CN113430884B CN113430884B CN202110702681.6A CN202110702681A CN113430884B CN 113430884 B CN113430884 B CN 113430884B CN 202110702681 A CN202110702681 A CN 202110702681A CN 113430884 B CN113430884 B CN 113430884B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a construction method for backfilling and hydraulic ramming compaction of a structure platform back, which comprises the following steps: leveling the field and setting out the rammed points: and measuring the initial elevation of each point, positioning equipment and tamping a rammer. The construction method effectively treats subgrade settlement, improves engineering quality, accelerates construction progress, ensures compaction degree after bridge abutment backfilling, and enhances subgrade stability, thereby improving the overall quality of engineering, reducing maintenance cost for later maintenance of highway operation.
Description
Technical Field
The invention relates to the technical field of engineering construction. In particular to a construction method for backfilling and hydraulic ramming compaction of a structure table back.
Background
The back filling of the platform of the structure is a key link in the construction stage of the roadbed, the filling quality is related to whether the back roadbed of the through vehicle is unevenly settled or not when the highway is built, so that the phenomenon of vehicle jumping is caused, the driving comfort is influenced, and the damage to the structure and the road surface is accelerated; when adopting the hydraulic ram compaction, the general direct mount of hydraulic ram is on the loader, when ramming the installation and dismantling to hydraulic pressure, needs artificial installation or dismantlement round pin axle, and the assembly of round pin axle is general comparatively firm, and the dismouting needs two people's cooperation usually, and still need carry out the connection of hydraulic pressure pipeline, and comparatively hard and consume time longer.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide a construction method for backfilling and compacting a hydraulic rammer on a back of a structure, which is convenient for quick connection and convenient for connection.
In order to solve the technical problems, the invention provides the following technical scheme: the construction method for backfilling and hydraulic ramming compaction of the platform back of the structure comprises the following steps:
step A: leveling the field;
and B: ramming point lofting: measuring the initial elevation of each point;
and C: the equipment is in place: the hydraulic tamper is mechanically connected with the loader through the quick connection assembly, and a hydraulic pipeline of the loader and a hydraulic pipeline of the hydraulic tamper are communicated through the hydraulic connection system, so that the rammer is aligned to a ramming point;
step D: tamping by a tamping hammer: tamping the tamping points by a hydraulic tamper, and measuring and recording the settlement amount of the tamping points.
According to the construction method for backfilling and hydraulic tamping of the structure table back, in the step A, when the surface layer of the leveled operation area is dry, uniform sprinkling is needed to be carried out, the surface dusting is prevented, and the thickness of a filling layer of the operation area is less than or equal to 50 cm; in the step B, the center distance between the tamping points is 1.5 meters, and the distance between the tamping points is more than or equal to 0.5 meter according to the structure; in the step D, after the single tamping point is tamped, the machine is moved to the next point, tamping operation is carried out from the middle tamping point to the two tamping points, the left, the middle and the right three points are operated each time, and then the lower row of three points are constructed.
In the construction method for backfilling and hydraulically compacting the back of the structural object, in the step C, the quick connecting assembly comprises a connecting frame, a first connecting shaft and a second connecting shaft are respectively arranged at two ends of one side of the connecting frame, and a first quick connecting assembly and a second quick connecting assembly are respectively arranged at two ends of the other side of the connecting frame; the first connecting shaft is hinged to the end portion of the small arm of the loader, the second connecting shaft is hinged to the end portion of the large arm of the loader, the first quick-connection assembly is hinged to the connecting shaft above the hydraulic tamper, and the second quick-connection assembly is hinged to the connecting shaft below the hydraulic tamper.
The construction method for the backfilling hydraulic ramming compaction of the platform back of the structure comprises the steps that the first quick-connection assembly comprises a first buckle, a second buckle and a connecting plate, the connecting plate is fixedly connected with the inner side wall of the connecting frame, through holes are formed in two ends of the connecting plate, the first buckle and the second buckle are arranged oppositely, gears are fixedly connected to the side walls of the second ends of the first buckle and the second buckle, a rotating shaft penetrates through the central hole of the gear, the rotating shaft penetrates into the through holes in the side wall of the connecting plate, the two gears are meshed with each other, mutually staggered clamping teeth are arranged at the first ends of the first buckle and the second buckle, round holes are formed in the first buckle and the second buckle after the first buckle and the second buckle are buckled, a fixing groove is formed in the outer wall of the clamping teeth of the first buckle along the radial direction of the first buckle, and a fixing groove is also formed in the outer wall of the clamping teeth of the second buckle along the radial direction of the second buckle, the fixing groove of the first buckle side wall and the fixing groove of the second buckle side wall have the same structure, and the fixing groove of the first buckle side wall and the fixing groove of the second buckle side wall are positioned in the same plane; the outer side wall of the first buckle is hinged with a first hydraulic cylinder, and the other end of the first hydraulic cylinder is hinged with the inner side wall of the connecting frame; the first buckle and the second buckle are buckled on the surface of a connecting shaft above the hydraulic tamper and hinged.
According to the construction method for the backfill hydraulic ramming compaction construction of the structure table back, the outer side wall of the first buckle is fixedly connected with an L-shaped fixing plate, through holes are formed in the two ends and the middle of the outer side wall of the L-shaped fixing plate along the radial direction of the first buckle, guide rods penetrate through the through holes in the two ends of the L-shaped fixing plate, a clamping strip is fixedly connected to the bottom end of each guide rod, a first spring is sleeved on the surface of each guide rod, one end of each first spring is in lap joint with the side wall of the L-shaped fixing plate, the other end of each first spring is in lap joint with the top wall of the corresponding clamping strip, an electromagnetic push rod is fixedly connected to the outer side wall of the L-shaped fixing plate, and the end of each electromagnetic push rod penetrates through the through hole in the middle of the L-shaped fixing plate and is fixedly connected with the top wall of the corresponding clamping strip; the clamping strip is clamped into the fixing groove of the side wall of the first buckle and the fixing groove of the side wall of the second buckle.
In the construction method for backfilling and hydraulic tamping of the platform back of the structure, the second quick-connecting component comprises a clamping collar and a shaft locking buckle, the middle part of the clamp ring shaft is provided with a clamp groove, the two side groove walls of the clamp groove are both provided with arc sliding grooves, the shaft lock catch is arranged in the clamping groove in the middle of the clamping shaft ring, arc sliding strips are arranged on two sides of the shaft lock catch, the arc slide bar is connected in an arc chute on the inner side wall surface of the clamp shaft ring in a sliding manner, the clamp shaft ring, the arc chute, the shaft lock catch and the arc slide bar are all arranged coaxially, the circumferential side wall of the shaft lock catch is fixedly connected with a gear ring, the surface of the gear ring is engaged with a worm, both ends of the worm are fixedly connected with the inner wall of the connecting frame through bearing seats, both ends of the side wall of the worm are provided with hairbrushes, the end part of the brush is in lap joint with the side wall of the gear ring, and one end of the worm is in transmission connection with a hydraulic motor.
According to the construction method for the backfill hydraulic ramming compaction construction of the structure abutment, the hydraulic connection system comprises a three-dimensional movement module, a first connection assembly, a second connection assembly, a first butt block and a second butt block, wherein the second end of the first connection assembly is hinged with the top of the first butt block, the second end of the second connection assembly is fixedly connected with the top of the second butt block, opposite surfaces of the first butt block and the second butt block are matched with each other, and the power output end of the three-dimensional movement module is fixedly connected with the first end of the first connection assembly; the top of the three-dimensional motion module is fixedly connected to the bottom of the large arm of the loader, and the second butt joint block is fixedly connected to the side wall of the hydraulic tamper through the second connecting assembly.
According to the construction method for backfilling and hydraulic tamping of the structural object back, the three-dimensional movement module comprises a Y-axis sliding table, a Y-axis driving assembly, an X-axis sliding table, an X-axis driving assembly, a Z-axis sliding table and a Z-axis driving assembly, the Y-axis sliding table, the X-axis sliding table and the Z-axis sliding table are identical in structure, the Y-axis sliding table comprises a bottom plate, a sliding rail, a sliding block and a sliding plate, the top of the bottom plate is fixedly connected with the bottom of the sliding rail, the sliding block is connected to the surface of the sliding rail in a sliding mode, and the surface of the sliding plate is fixedly connected with the top of the sliding block; the Y-axis driving assembly, the X-axis driving assembly and the Z-axis driving assembly are identical in structure, the Y-axis driving assembly comprises a lead screw, a nut and a motor, two ends of the lead screw are rotatably connected with a lead screw support, the nut is in threaded connection with the surface of the lead screw, and one end of the lead screw is in transmission connection with an output shaft of the motor;
the X-axis sliding table is fixedly connected with a sliding plate of the Y-axis sliding table, the motion directions of the Y-axis sliding table and the X-axis sliding table are mutually perpendicular, one end of the bottom plate of the Z-axis sliding table is vertically and fixedly connected to the sliding plate of the X-axis sliding table, a fixing hole is formed in the side wall of the sliding plate of the Z-axis sliding table, screw rod supports at two ends of a screw rod of the Y-axis driving assembly are fixed on the bottom plate of the Y-axis sliding table, the motion direction of the Y-axis driving assembly is the same as that of the Y-axis sliding table, and a nut of the Y-axis driving assembly is fixedly connected with the sliding plate of the Y-axis sliding table; screw rod supports at two ends of a screw rod of the X-axis driving assembly are fixed on a bottom plate of the X-axis sliding table, the moving direction of the X-axis driving assembly is the same as that of the X-axis sliding table, and a nut of the X-axis driving assembly is fixedly connected with a sliding plate of the X-axis sliding table; screw rod supports at two ends of a screw rod of the Z-axis driving assembly are fixed on a bottom plate of the Z-axis sliding table, the moving direction of the Z-axis driving assembly is the same as that of the Z-axis sliding table, and a nut of the Z-axis driving assembly is fixedly connected with a sliding plate of the Z-axis sliding table; the bottom plate of the Y-axis sliding table is fixedly connected with the bottom of the large arm of the loader;
first coupling assembling with second coupling assembling's structure is the same, coupling assembling is including connecting head, two or more connecting cylinders and lower connector in the end to end connection in proper order, the location connecting hole has been seted up to the first end inner wall of connecting cylinder, the second end tip of connecting cylinder is provided with the location connector, the shape phase-match of location connector and location connecting hole, the second end fixedly connected with location connector of going up the connector, the location connecting hole has been seted up to the first end inner wall of connector down, the second end fixedly connected with of connector articulates the piece down, the shaft hole has been seted up to the both sides wall of going up the connector, the shaft hole internal rotation is connected with the spool, the surface of spool is convoluteed there is the steel cable, steel cable one end with the fixed surface of spool is connected, the other end of steel cable passes in proper order, the connector, the other end of steel cable passes in proper order, The middle parts of the two or more connecting cylinders and the middle part of the lower connector are fixedly connected with the first end of the hinge block, and one end of the scroll is in transmission connection with a speed reduction motor;
the first butt joint block and the second butt joint block have the same structure, the first butt joint block and the second butt joint block are both provided with hydraulic channels corresponding to each other, the inner diameters of the two ends of the hydraulic channel are smaller than the inner diameter of the middle part of the hydraulic channel, the middle part of the inner wall of the hydraulic channel is fixedly connected with a support frame, a through hole is arranged in the middle of the supporting frame, a sliding rod is connected in the through hole in a sliding way, a sealing block is fixedly connected at the first end of the sliding rod, the first end of the sealing block is hermetically connected with the inner wall of the hydraulic channel, the surface of the sliding rod is sleeved with a second spring, one end of the second spring is lapped with the second end of the sealing block, the other end of the second spring is lapped with the side wall of the supporting frame, the side wall of the hydraulic channel is fixedly connected with a top rod, the end part of the top rod penetrates out of the hydraulic channel, and one end of the hydraulic channel, which is far away from the opposite end, is communicated with a joint; the two sides of the top of the first butt joint block are fixedly connected with a second hydraulic cylinder relatively, the end part of a piston rod of the second hydraulic cylinder is fixedly connected with a fixed block, the side wall of the fixed block is fixedly connected with a third hydraulic cylinder, the second hydraulic cylinder and the third hydraulic cylinder are mutually perpendicular, the two ends of the third hydraulic cylinder are fixedly connected with fixture blocks, the side wall of the fixture block at one end of the third hydraulic cylinder is lapped with the side wall of the first butt joint block, the fixture block and the side wall at the other end of the third hydraulic cylinder are lapped with the side wall of the second butt joint block, the top of the first butt joint block is fixedly connected with a hinged seat, the two ends and the middle of the tops of the first butt joint block and the second butt joint block are provided with correlation sensors, the correlation sensors in the middle of the tops of the first butt joint block and the second butt joint block are higher than the correlation sensors on the two sides of the first butt joint block, the end part of a hydraulic passage of the first butt joint block is provided with a conical depression, the end part of the hydraulic channel of the second butt joint block is provided with a conical protrusion which is connected in the conical recess in a sealing manner; the hinge block of the first connecting assembly is hinged with the hinge seat at the top of the first butt joint block, the upper connector of the first connecting assembly is fixedly connected with the side wall of the sliding plate of the Z-axis sliding table, the middle part of the outer side wall of the lower connector of the first connecting assembly is hinged with an electric push rod, and the other end of the electric push rod is hinged with the top of the first butt joint block; the articulated piece lateral wall of second coupling assembling with the top fixed connection of second butt joint piece, the last connector of second coupling assembling with the lateral wall fixed connection of hydraulic tamper.
According to the construction method for the back backfilling hydraulic tamping construction of the structure, the joint of the first butt joint block is communicated with the hydraulic pipeline fluid of the loader, the joint of the second butt joint block is communicated with the hydraulic pipeline fluid of the hydraulic tamper, and the hydraulic channel fluid of the first butt joint block is communicated with the hydraulic channel fluid of the second butt joint block.
The technical scheme of the invention achieves the following beneficial technical effects:
1. according to the invention, the hydraulic ram is arranged on the loader, the hydraulic power output is utilized, other power sources are not needed, the connection is simple, rapid and reliable, the hydraulic ram has good maneuverability, controllability and efficiency, the hydraulic ram has the advantages of high ramming energy, high compacting speed, large influence depth, soft effect, strong and uniform penetration capacity, and uniform compactness can be obtained in a large depth range, so that the compacting quality of the platform back of the structure is ensured, the quality of the roadbed is ensured, and the settlement amount is effectively reduced.
2. The construction method effectively treats subgrade settlement, improves the engineering quality, accelerates the construction progress, ensures the compactness of the bridge and culvert abutment after backfilling, and enhances the stability of the subgrade, thereby improving the overall quality of the engineering and reducing the maintenance cost in the later period of highway operation.
3. According to the hydraulic ram quick-dismounting device, the quick-connecting assembly is arranged, so that the loader can be connected with the hydraulic ram through the quick-connecting assembly after the quick-connecting assembly is manually connected with the loader, the quick-connecting assembly can be used for quickly dismounting, inconvenience caused by repeated manual dismounting is reduced, and dismounting speed is increased; the one end that quick coupling assembling and hydraulic ram fixed shaft are connected is respectively through the cooperation of first buckle and second buckle, the cooperation of snap ring axle ring and axle hasp, first buckle and second buckle simultaneous movement can open great angle, be convenient for connect, and behind first buckle and the second buckle lock, under the effect of card strip, can carry out mechanical locking to another axle after the axle hasp rotates, improve the fixed effect of counter shaft, avoid taking place the off-going condition of axle.
4. According to the invention, by arranging the hydraulic connection system, the connection of the hydraulic pipelines can be automatically carried out after the loader is mechanically connected with the hydraulic ram, so that the convenience is further improved, the connection assembly can separate and lock the connection cylinders after the hydraulic pipelines are connected, so that the hydraulic connection system can freely move, the hydraulic connection system is prevented from being bent and damaged when the loader moves, and the movement of the loader can be prevented from being limited.
Drawings
FIG. 1 is a schematic illustration of a hydraulic tamper and loader of the present invention;
FIG. 2 is a schematic front sectional view of the quick connect assembly of the present invention;
FIG. 3 is a schematic side view of the first and second clips after being engaged;
FIG. 4 is a schematic view showing the assembly of the clip strip, the guide bar and the L-shaped fixing plate according to the present invention;
FIG. 5 is a schematic perspective view of the shaft lock of the present invention;
FIG. 6 is a schematic perspective view of a three-dimensional motion module according to the present invention;
FIG. 7 is a schematic view of the assembly of the first connecting assembly with the first docking block and the second connecting assembly with the second docking block of the present invention;
FIG. 8 is a schematic top cross-sectional view of a first docking block and a second docking block of the present invention;
FIG. 9 is a schematic view of the connection of a first docking block and a second docking block in the present invention;
fig. 10 is a schematic front sectional view of a first connecting assembly of the present invention.
The reference numbers in the figures denote: 1-hydraulic tamper; 2-a loader; 3-a quick-connect assembly; 301-a connecting frame; 302-a first connecting shaft; 303-a second connecting shaft; 304-a first hydraulic cylinder; 305-a first snap; 306-a second snap; 307-connecting plate; 308-a gear; 309-fixed slot; 310-L-shaped fixing plate; 311-card strip; 312-a guide bar; 313-a first spring; 314-an electromagnetic push rod; 315-ring gear; 316-snap ring; 317-shaft lock catch; 318-arc runner; 319-hydraulic motor; 320-a worm; 321-a brush; 4-hydraulic connection system; 401-a first docking block; 402-a second docking block; 403-correlation sensor; 404-a linker; 405-a hydraulic channel; 406-a support frame; 407-sealing block; 408-a second spring; 409-ejector rod; 410-a second hydraulic cylinder; 411-fixed block; 412-a third hydraulic cylinder; 413-a cartridge; 414-a hinged seat; 415-Y axis slide; 416-X axis slide; 417-Z axis slip table; 418-Y axis drive assembly; 419-X axis drive assembly; 420-Z axis drive assembly; 421-fixing hole; 422-a first connection assembly; 423-upper connecting head; 424-reel; 425-a geared motor; 426-a connecting cylinder; 427-positioning connection head; 428-positioning the connection hole; 429-lower connector; 430-a hinged block; 431-electric push rod; 432-a second connecting assembly.
Detailed Description
1. The test of the construction method of backfilling and hydraulic tamping of the platform back of the structure comprises the following steps:
the whole road of a section of highway test project of a certain province road in a certain city is in the east-west trend, the total length of a main line is 94.265 kilometers, 2 bridges, 3 bridges and 1 separated overpass are arranged on the whole line, and the whole road comprises 49 reinforced concrete hidden plate culverts and 234 round pipe culverts. The regional climate type of the project belongs to semi-arid continental climate, the temperature difference is large, the project is arid and windy in spring, the project is short in summer, hot in the day and cold in the night, the project is very short in autumn, the project is long and cold in winter, the annual precipitation is small, the evaporation capacity is large, and the like; the whole length of a main line of a route is 130.031 kilometers in a test project from a certain section of national roads to a certain section of roads in a certain city, and the structure in the section of the contract comprises 2 integral type medium bridges, 4 separated type medium bridges, 6 integral type small bridges, 8 separated type small bridges, 163 reinforced concrete hidden plate culverts, 20 reinforced concrete circular pipe culverts and an interchange 2.
The construction method for backfilling and hydraulic ramming compaction of the platform back of the structure comprises the following steps:
step A: leveling the field;
and B: tamping point lofting: measuring the initial elevation of each point;
and C: the equipment is in place: the hydraulic tamper 1 is mechanically connected with the loader 2 through the quick connection assembly 3, and a hydraulic pipeline of the loader 2 and a hydraulic pipeline of the hydraulic tamper 1 are communicated through the hydraulic connection system 4, so that the rammer is aligned to a ramming point;
step D: tamping by a tamping hammer: tamping the tamping point by the hydraulic tamper 1, and measuring and recording the settlement of the tamping point.
In the step A, when the surface layer of the leveled operation area is dry, uniform sprinkling is needed to prevent the surface from dusting, and the thickness of a filling layer of the operation area is less than or equal to 50 cm; in the step B, the center distance between the tamping points is 1.5 meters, and the distance between the tamping points is more than or equal to 0.5 meter according to the structure; in the step D, after the single tamping point is tamped, the machine is moved to the next point, tamping operation is carried out from the middle tamping point to the two side tamping points, the left, the middle and the right three points are operated each time, and then the lower row of three points is carried out.
In step C, as shown in fig. 2, the quick connection assembly 3 includes a connection frame 301, two ends of one side of the connection frame 301 are respectively provided with a first connection shaft 302 and a second connection shaft 303, and two ends of the other side of the connection frame 301 are respectively provided with a first quick connection assembly and a second quick connection assembly; as shown in fig. 1, the first connecting shaft 302 is hinged to the end of the lower arm of the loader 2, the second connecting shaft 303 is hinged to the end of the upper arm of the loader 2, the first quick-connection assembly is hinged to the connecting shaft above the hydraulic compactor 1, the second quick-connection assembly is hinged to the connecting shaft below the hydraulic compactor 1, the hydraulic compactor is mounted on the loader 2, and hydraulic power output is used without any other power source, so that the connection is simple, quick and reliable, good maneuverability, controllability and efficiency are achieved, the hydraulic compactor has high compaction energy, soft compaction speed, large influence depth, strong and uniform penetration capability, uniform compactness can be obtained in a large depth range, the compaction quality of the platform back of the structure is guaranteed, the quality of the roadbed is guaranteed, and the settlement amount is effectively reduced; the first quick-connecting component comprises a first buckle 305, a second buckle 306 and a connecting plate 307, the connecting plate 307 is fixedly connected with the inner side wall of the connecting frame 301, through holes are formed at both ends of the connecting plate 307, the first buckle 305 and the second buckle 306 are oppositely arranged, gears 308 are fixedly connected with the side walls of the second ends of the first buckle 305 and the second buckle 306, a rotating shaft penetrates through the central hole of the gear 308, the rotating shaft penetrates through the through holes in the side wall of the connecting plate 307, the two gears 308 are mutually meshed, mutually staggered clamping teeth are arranged at the first ends of the first buckle 305 and the second buckle 306, round holes are formed in the first buckle 305 and the second buckle 306 after buckling, a fixing groove 309 is formed in the outer wall of the clamping tooth of the first buckle 305 along the radial direction of the first buckle, a fixing groove 309 is also formed in the outer wall of the clamping tooth of the second buckle 306 along the radial direction of the second buckle, as shown in fig. 3, the fixing groove 309 of the sidewall of the first catch 305 and the fixing groove 309 of the sidewall of the second catch 306 have the same structure, and the fixing groove 309 of the sidewall of the first catch 305 and the fixing groove 309 of the sidewall of the second catch 306 are located in the same plane; the outer side wall of the first buckle 305 is hinged with a first hydraulic cylinder 304, and the other end of the first hydraulic cylinder 304 is hinged with the inner side wall of the connecting frame 301; the first buckle 305 and the second buckle 306 are buckled on the surface of a connecting shaft above the hydraulic tamper 1 and form a hinge; the second quick-connecting component comprises a clamping ring 316 and a shaft lock catch 317, a clamping groove is formed in the middle of the clamping ring 316, arc sliding grooves are formed in the groove walls on two sides of the clamping groove, the shaft lock catch 317 is arranged in the clamping groove in the middle of the clamping ring 316, as shown in fig. 5, arc sliding strips 318 are arranged on two sides of the shaft lock catch 317, the arc sliding strips 318 are connected in the arc sliding grooves of the inner side wall surface of the clamping ring 316 in a sliding manner, the clamping ring shaft 316, the arc sliding grooves, the shaft lock catch 317 and the arc sliding strips 318 are coaxially arranged, a gear ring 315 is fixedly connected to the circumferential side wall of the shaft lock catch 317, a worm 320 is meshed with the surface of the gear ring 315, two ends of the worm 320 are fixedly connected with the inner wall of the connecting frame 301 through bearing seats, two ends of the side wall of the worm 320 are provided with brushes 321, the end parts of the brushes 321 are in lap joint with the side wall of the gear ring 315, one end of the worm 320 is in transmission connection with a hydraulic motor 319, and after the worm is manually connected with the loader 2 through the rapid connection assembly 3, the loader 2 can be connected with the hydraulic ram through the rapid connection assembly 3, and the quick connection assembly 3 can be quickly disassembled, so that inconvenience caused by repeated manual disassembly and assembly is reduced, and the disassembly and assembly speed is increased; quick coupling assembling 3 is respectively through the cooperation of first buckle 305 and second buckle 306 with the one end of hydraulic ram fixed shaft, card collar 316 and the cooperation of axle latch 317, first buckle 305 and second buckle 306 synchronous motion, can open great angle, be convenient for connect, and behind first buckle 305 and the 306 lock of second buckle, under the effect of card strip 311, can carry out mechanical locking, axle latch 317 rotates the back and can carry out mechanical locking to another axle, improve the fixed effect of counter shaft, avoid taking place the off-going condition of axle.
As shown in fig. 4, an L-shaped fixing plate 310 is fixedly connected to an outer side wall of the first buckle 305, through holes are formed in two ends and a middle portion of the outer side wall of the L-shaped fixing plate 310 along a radial direction of the first buckle 305, guide rods 312 penetrate through the through holes at the two ends of the L-shaped fixing plate 310, a clamping strip 311 is fixedly connected to a bottom end of each guide rod 312, a first spring 313 is sleeved on a surface of each guide rod 312, one end of each first spring 313 is overlapped with a side wall of the L-shaped fixing plate 310, the other end of each first spring 313 is overlapped with a top wall of the clamping strip 311, an electromagnetic push rod 314 is fixedly connected to the outer side wall of the L-shaped fixing plate 310, and a push rod end of the electromagnetic push rod 314 passes through the through hole in the middle portion of the L-shaped fixing plate 310 and is fixedly connected to the top wall of the clamping strip 311; the locking strip 311 is locked in the fixing groove 309 of the sidewall of the first latch 305 and the fixing groove 309 of the sidewall of the second latch 306.
As shown in fig. 6, the hydraulic connection system 4 includes a three-dimensional movement module, a first connection assembly 422, a second connection assembly 432, a first butt block 401 and a second butt block 402, the hydraulic connection system 4 is arranged to automatically connect the hydraulic pipelines after the loader 2 is mechanically connected with the hydraulic ram, so as to further improve convenience, the connection assembly 422 can unlock and lock the connection cylinders 426 after the hydraulic pipelines are connected, so that the hydraulic connection system 4 can freely move, the hydraulic connection system 4 is prevented from being damaged by bending when the loader 2 moves, and the loader 2 can be prevented from being limited in movement, the three-dimensional movement module includes a Y-axis sliding table 415, a Y-axis driving assembly 418, an X-axis sliding table 416, an X-axis driving assembly 419, a Z-axis sliding table 417 and a Z-axis driving assembly 420, the structures of the Y-axis sliding table 415, the X-axis sliding table 416 and the Z-axis sliding table 417 are the same, the Y-axis sliding table 415 comprises a bottom plate, a sliding rail, a sliding block and a sliding plate, wherein the top of the bottom plate is fixedly connected with the bottom of the sliding rail, the sliding block is connected to the surface of the sliding rail in a sliding manner, and the surface of the sliding plate is fixedly connected with the top of the sliding block; the Y-axis driving assembly 418, the X-axis driving assembly 419 and the Z-axis driving assembly 420 have the same structure, the Y-axis driving assembly 418 comprises a screw rod, a nut and a motor, two ends of the screw rod are rotatably connected with screw rod supports, the nut is in threaded connection with the surface of the screw rod, and one end of the screw rod is in transmission connection with an output shaft of the motor; the bottom plate of the X-axis sliding table 416 is fixedly connected with the sliding plate of the Y-axis sliding table 415, the movement directions of the Y-axis sliding table 415 and the X-axis sliding table 416 are perpendicular to each other, one end of the bottom plate of the Z-axis sliding table 417 is vertically and fixedly connected to the sliding plate of the X-axis sliding table 416, a fixing hole 421 is formed in the side wall of the sliding plate of the Z-axis sliding table 417, lead screw supports at two ends of a lead screw of the Y-axis driving assembly 418 are fixed on the bottom plate of the Y-axis sliding table 415, the movement direction of the Y-axis driving assembly 418 is the same as the movement direction of the Y-axis sliding table 415, and a nut of the Y-axis driving assembly 418 is fixedly connected with the sliding plate of the Y-axis sliding table 415; lead screw supports at two ends of a lead screw of the X-axis driving assembly 419 are fixed on a bottom plate of the X-axis sliding table 416, the moving direction of the X-axis driving assembly 419 is the same as that of the X-axis sliding table 416, and a nut of the X-axis driving assembly 419 is fixedly connected with a sliding plate of the X-axis sliding table 416; lead screw supports at two ends of a lead screw of the Z-axis driving assembly 420 are fixed on a bottom plate of the Z-axis sliding table 417, the moving direction of the Z-axis driving assembly 420 is the same as that of the Z-axis sliding table 417, and a nut of the Z-axis driving assembly 420 is fixedly connected with a sliding plate of the Z-axis sliding table 417; the bottom plate of the Y-axis sliding table 415 is fixedly connected with the bottom of the big arm of the loader.
As shown in fig. 7, the second end of the first connecting assembly 422 is hinged to the top of the first docking block 401, the second end of the second connecting assembly 432 is fixedly connected to the top of the second docking block 402, the opposite surfaces of the first docking block 401 and the second docking block are matched with each other, and the power output end of the three-dimensional motion module is fixedly connected to the first end of the first connecting assembly 422; the top of the three-dimensional motion module is fixedly connected to the bottom of the large arm of the loader 2, and the second butt joint block 402 is fixedly connected with the side wall of the hydraulic tamper 1 through the second connecting assembly 432; as shown in fig. 8, the first butt-joint block 401 and the second butt-joint block 402 have the same structure, the first butt-joint block 401 and the second butt-joint block 402 are both provided with hydraulic channels 405 corresponding to each other, the inner diameters of both ends of the hydraulic channels 405 are smaller than the inner diameter of the middle portion of the hydraulic channels, the middle portion of the inner wall of the hydraulic channels 405 is fixedly connected with a support frame 406, the middle portion of the support frame 406 is provided with a through hole, a slide rod is slidably connected in the through hole, the first end of the slide rod is fixedly connected with a sealing block 407, the first end of the sealing block 407 is hermetically connected with the inner wall of the hydraulic channels 405, the surface of the slide rod is sleeved with a second spring 408, one end of the second spring 408 is overlapped with the second end of the sealing block 407, the other end of the second spring 408 is overlapped with the side wall of the support frame 406, and the side wall of the hydraulic channels 405 is fixedly connected with a push rod 409, the end part of the ejector rod 409 penetrates out of a hydraulic channel 405, and one end of the hydraulic channel 405, which is far away from the opposite end, is communicated with a joint 404; as shown in fig. 9, two opposite sides of the top of the first butt-joint block 401 are fixedly connected with a second hydraulic cylinder 410, a piston rod end of the second hydraulic cylinder 410 is fixedly connected with a fixed block 411, a side wall of the fixed block 411 is fixedly connected with a third hydraulic cylinder 412, the second hydraulic cylinder 410 and the third hydraulic cylinder 412 are perpendicular to each other, two ends of the third hydraulic cylinder 412 are both fixedly connected with a fixture block 413, a side wall of the fixture block 413 at one end of the third hydraulic cylinder 412 is overlapped with a side wall of the first butt-joint block 401, a fixture block 413 at the other end of the third hydraulic cylinder 412 is overlapped with a side wall of the second butt-joint block, a hinged seat 414 is fixedly connected with the top of the first butt-joint block 401, two ends and a middle of the top of the first butt-joint block 401 and the second butt-joint block 402 are both provided with a correlation sensor 403, the correlation sensor 403 in the middle of the tops of the first butt-joint block 401 and the second butt-joint block 402 is higher than the correlation sensors 403 at two sides of the first butt-joint block 401, the end of the hydraulic channel 405 of the first butt-joint block 401 is provided with a conical recess, the end of the hydraulic channel 405 of the second butt-joint block 402 is provided with a conical protrusion, and the conical protrusion is connected in the conical recess in a sealing manner; the hinge block 430 of the first connection assembly 422 is hinged to the hinge seat 414 at the top of the first butt block 401, the upper connector 423 of the first connection assembly 422 is fixedly connected to the side wall of the sliding plate of the Z-axis sliding table 417, as shown in fig. 7, the middle of the outer side wall of the lower connector 429 of the first connection assembly 422 is hinged to an electric push rod 431, and the other end of the electric push rod 431 is hinged to the top of the first butt block 401; the side wall of the hinge block 430 of the second connecting assembly 432 is fixedly connected with the top of the second butt-joint block 402, and the upper connector 423 of the second connecting assembly 432 is fixedly connected with the side wall of the hydraulic tamper 1; the connection 404 of the first docking block 401 is in fluid communication with the hydraulic line of the loader 2, the connection 404 of the second docking block 402 is in fluid communication with the hydraulic line of the hydraulic tamper 1, and the first docking block 401 is in fluid communication with the hydraulic channel 405 of the second docking block 402.
As shown in fig. 10, the first connecting assembly 422 is the same as the second connecting assembly 432 in structure, the connecting assembly 422 includes an upper connecting head 423, two or more connecting cylinders 426 and a lower connecting head 429 sequentially from end to end, a positioning connecting hole 428 is formed in the inner wall of the first end of each connecting cylinder 426, a positioning connecting head 427 is arranged at the end part of the second end of each connecting cylinder 426, the positioning connecting heads 427 are matched with the positioning connecting holes 428 in shape, the second end of each upper connecting head 423 is fixedly connected with the positioning connecting head 427, a positioning connecting hole 428 is formed in the inner wall of the first end of each lower connecting head 429, a hinge block 430 is fixedly connected with the second end of each lower connecting head 429, shaft holes are formed in the two side walls of each upper connecting head 423, a reel 424 is connected to the shaft holes in a rotating manner, a steel cable is wound on the surface of the reel 424, one end of the steel cable is fixedly connected with the surface of the reel 424, the other end of steel cable passes in proper order and goes up connector 423, two or more connecting cylinder 426 middle parts, connector 429 middle part down and with articulated first end fixed connection of piece 430, the one end transmission of spool 424 is connected with gear motor 425.
The working process comprises the following steps: when the quick connecting assembly is used, the first connecting shaft 302 of the quick connecting assembly 3 is connected with the small arm of the loader 2, the second connecting shaft 303 is connected with the large arm of the loader 2, the quick connecting assembly 3 is connected with the loader 2, the joint 404 of the second butt-joint block 402 is connected with a hydraulic pipeline of the hydraulic tamper 1, and the joint 404 of the first butt-joint block 401 is connected with the hydraulic pipeline of the loader 2;
moving the loader 2, adjusting the position and the angle of the quick connection component 3 to align the quick connection component with the position of the hydraulic ram, clamping a clamping ring 316 of the quick connection component 3 on a fixed shaft below the hydraulic ram, controlling a hydraulic motor 319 to rotate through a hydraulic system of the loader 2, driving a worm 320 to rotate after the hydraulic motor 319 rotates, driving a shaft lock catch 317 to rotate by the worm 320, and rotating the shaft lock catch 317 by 180 degrees to fix the fixed shaft below the hydraulic ram 1; controlling the electromagnetic push rod 314 to contract, the electromagnetic push rod 314 drives the clamping strip 311 to be separated from the fixing groove 309 of the first buckle 305 and the fixing groove 309 of the second buckle 306, controlling the first hydraulic cylinder 304 to contract through a hydraulic system of the loader 2, the first hydraulic cylinder 304 pulls the first buckle 305, the first buckle 305 drives the gear 308 on the side wall to rotate when moving, the gear 308 on the side wall of the first buckle 305 drives the gear 308 on the side wall of the second buckle 306, the second buckle 306 and the first buckle 305 move oppositely to be opened, then the fixing shaft above the hydraulic ram is clamped between the first buckle 305 and the second buckle 306, controlling the first hydraulic cylinder 304 to extend to enable the first buckle 305 and the second buckle 306 to be buckled, then closing the electromagnetic push rod 314, pushing the clamping strip 311 to be clamped into the clamping grooves of the first buckle 305 and the second buckle 306 under the pushing of the first spring 313, and completing the mechanical locking of the first buckle 305 and the second buckle 306, the shaft above the hydraulic ram is fixed;
when the hydraulic ram is mechanically connected with the loader 2, the hydraulic pipeline connection is performed, and the hydraulic pipeline connection is performed under the control of the control system of the loader 2, because the position of the mechanical connection is relatively fixed, that is, the relative position between the hydraulic ram and the loader 2 is basically determined, when the first butt block 401 and the second butt block 402 are separated, the second hydraulic cylinder 410 and the third hydraulic cylinder 412 are both in an extended state, first, the speed reducing motor 425 of the first connecting assembly 422 and the speed reducing motor 425 of the second connecting assembly 432 are simultaneously operated to drive the winding shaft 424 to wind the steel cable on the surface thereof, and pull the hinge block 430 to approach the upper connecting head 423, so as to force the upper connecting head 423, the plurality of connecting cylinders 426 and the lower connecting head 429 to be tightened to each other, so that the adjacent positioning connecting head 427 is inserted into the positioning connecting hole 428, so that the connecting assembly 422 becomes a rigid structure, and the second butt block 402 is supported by the second connecting assembly 432 fixed with the hydraulic ram 1, a first connection assembly 422 fixed to the loader 2 supports the first docking block 401; the motor of the Y-axis driving assembly 418 drives the lead screw thereof to rotate, the nut screwed on the surface of the lead screw drives the sliding plate of the Y-axis sliding table 415 to move, and drives the X-axis sliding table 416 to move on the Y axis, thereby driving the first butt block 401 to move along the Y axis, similarly, the X-axis driving assembly 419 drives the sliding plate of the X-axis sliding table 416 to move along the X axis, and drives the Z-axis sliding table 417 and the first butt block 401 to move along the X axis, the Z-axis driving assembly 420 drives the sliding plate of the Z-axis sliding table 417 to move along the Z axis, and drives the first butt block 401 to move three-dimensionally under the mutual cooperation of the Y-axis sliding table 415, the X-axis sliding table 416 and the Z-axis sliding table 417, when the butt sensor 403 of the first butt block 401 and the butt sensor 403 of the second butt block 402 are in mutual butt joint, and by adjusting the length of the electric push rod 431, the angle of the first butt block 401 is controlled, so that the butt sensors 403 positioned in the middle parts of the first butt block 401 and the second butt block 402 are in mutual butt joint, the control system of the loader 2 judges that the positioning is finished, controls the Y-axis driving component 418 to drive the Y-axis sliding table 415 to move, drives the first butt joint block 401 to be close to the second butt joint block 402, when the preset distance is reached, the second hydraulic cylinders 410 on two sides of the first butt joint block 401 shrink, then the third hydraulic cylinders 412 shrink, simultaneously the Y-axis driving component 418 drives the Y-axis sliding table 415 to move forward continuously, the fixture block 413 at the end of the piston rod of the third hydraulic cylinder 412 drives the second butt joint block 402 to be close to the first butt joint block 401, the ejector rods 409 in the hydraulic channel 405 of the first butt joint block 401 push the sealing blocks 407 in the hydraulic channel 405 of the second butt joint block 402, the ejector rods 409 in the hydraulic channel 405 of the second butt joint block 402 push the sealing blocks 407 in the hydraulic channel 405 of the first butt joint block 401 simultaneously, and the first butt joint block 401 and the second butt joint block 402 are continuously pressed along with the shrinkage of the third hydraulic cylinder 412, so as to finish the butt joint of the first butt joint block 401 and the second butt joint block 402, completing the conduction of the hydraulic channel 405 and completing the hydraulic communication between the loader 2 and the hydraulic ram; then the speed reducing motors 425 of the two connecting assemblies 422 reversely rotate to loosen the steel cable, so that the positioning connectors 427 are separated from the adjacent positioning connecting holes 428 to realize non-rigid connection.
2. The operation key points are as follows:
and (3) making a test section of 100 square meters outside the small bridge or culvert, and uniformly distributing points along the hammer center distance of 1.5 m. In the test, 3-gear tamping operation is performed by accumulating 3 hammers at each time, and the relative elevation of each tamping operation after 3 hammers is measured by using a leveling instrument to obtain corresponding accumulated settlement and relative settlement. And testing the relationship between the horizontal displacement of the table back and the tamping times and the relationship between the horizontal displacement of the table back and the horizontal distance of a tamping point by using a displacement sensor.
When the surface layer of the working surface is dry, a proper amount of water is sprayed to prevent the surface from dusting and influencing the energy transfer to the deep layer. In combination with site construction, equipment is adopted to tamp the plate with the diameter of 1.0 meter.
The test result shows that when the distance from the outer edge of the operation point rammer to the structure is less than or equal to 50cm, the culvert structure is safe under the action of impact load generated by hydraulic ramming; when the thickness of the filler is 50cm and the hydraulic tamping times are 8 times, the compacting effect after construction is good, and the settlement after construction meets the construction requirements.
3. Quality control:
the quality control executes 'Highway engineering quality inspection assessment Standard' JTG F80/1-2004, the thickness of a filling layer is controlled within 50cm, the compaction degree of each layer of tamping energy is guaranteed to reach the design requirement after the action, the tamping point lofting is rechecked before tamping, the tamping position is checked after tamping, the deviation or missing tamping is found to be corrected in time, the backfill rate of the platform back is strictly controlled in the construction process, the symmetrical and balanced backfill of two sides is guaranteed, the situation that the moving of a structural object does not occur is guaranteed, and the backfill is strictly carried out according to the construction specification and the drawing requirement.
4. Safety measures are as follows:
executing technical Specification for construction safety of highway engineering JTGF90-2015, managing a tamping operation area in a closed mode, setting safety warning marks, uniformly commanding by a specially-assigned person, examining, maintaining and maintaining mechanical equipment in construction regularly, and setting a professional safety officer at a construction site to ensure construction safety. Safety education and a technical bottom-crossing system are carried out on operators on a construction site, the operators are responsible for safe work on the construction site, and safety needs to be paid attention when tamping is carried out; the driver should wear protective glasses; the field personnel must be kept away after the hammer is lifted.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.
Claims (6)
1. The construction method for backfilling and hydraulic tamping of the platform back of the structure is characterized by comprising the following steps of:
step A: leveling the field;
and B: tamping point lofting: measuring the initial elevation of each point;
and C: the equipment is in place: the hydraulic tamper (1) is mechanically connected with the loader (2) through the quick connection assembly (3), and a hydraulic pipeline of the loader (2) and a hydraulic pipeline of the hydraulic tamper (1) are communicated through the hydraulic connection system (4), so that the rammer is aligned to a ramming point;
step D: tamping by a tamping hammer: tamping a tamping point through a hydraulic tamper (1), and measuring and recording the settlement amount of the tamping point;
the hydraulic connection system (4) comprises a three-dimensional motion module, a first connection assembly (422), a second connection assembly (432), a first butt block (401) and a second butt block (402), wherein the second end of the first connection assembly (422) is hinged to the top of the first butt block (401), the second end of the second connection assembly (432) is fixedly connected to the top of the second butt block (402), opposite surfaces of the first butt block (401) and the second butt block are matched with each other, and the power output end of the three-dimensional motion module is fixedly connected to the first end of the first connection assembly (422); the top of the three-dimensional motion module is fixedly connected to the bottom of a large arm of the loader (2), and the second butt joint block (402) is fixedly connected with the side wall of the hydraulic tamper (1) through the second connecting assembly (432);
the three-dimensional motion module comprises a Y-axis sliding table (415), a Y-axis driving assembly (418), an X-axis sliding table (416), an X-axis driving assembly (419), a Z-axis sliding table (417) and a Z-axis driving assembly (420), the structures of the Y-axis sliding table (415), the X-axis sliding table (416) and the Z-axis sliding table (417) are the same, the Y-axis sliding table (415) comprises a bottom plate, a sliding rail, a sliding block and a sliding plate, the top of the bottom plate is fixedly connected with the bottom of the sliding rail, the sliding block is connected to the surface of the sliding rail in a sliding mode, and the surface of the sliding plate is fixedly connected with the top of the sliding block; the Y-axis driving assembly (418), the X-axis driving assembly (419) and the Z-axis driving assembly (420) are identical in structure, the Y-axis driving assembly (418) comprises a screw rod, a nut and a motor, two ends of the screw rod are rotatably connected with screw rod supports, the nut is in threaded connection with the surface of the screw rod, and one end of the screw rod is in transmission connection with an output shaft of the motor;
the base plate of the X-axis sliding table (416) is fixedly connected with the sliding plate of the Y-axis sliding table (415), the moving directions of the Y-axis sliding table (415) and the X-axis sliding table (416) are mutually perpendicular, one end of the base plate of the Z-axis sliding table (417) is vertically and fixedly connected to the sliding plate of the X-axis sliding table (416), the side wall of the sliding plate of the Z-axis sliding table (417) is provided with a fixing hole (421), screw rod supports at two ends of a screw rod of the Y-axis driving assembly (418) are fixed on the base plate of the Y-axis sliding table (415), the moving direction of the Y-axis driving assembly (418) is the same as the moving direction of the Y-axis sliding table (415), and a nut of the Y-axis driving assembly (418) is fixedly connected with the sliding plate of the Y-axis sliding table (415); screw rod supports at two ends of a screw rod of the X-axis driving assembly (419) are fixed on a bottom plate of the X-axis sliding table (416), the moving direction of the X-axis driving assembly (419) is the same as that of the X-axis sliding table (416), and a nut of the X-axis driving assembly (419) is fixedly connected with a sliding plate of the X-axis sliding table (416); screw rod supports at two ends of a screw rod of the Z-axis driving assembly (420) are fixed on a bottom plate of the Z-axis sliding table (417), the movement direction of the Z-axis driving assembly (420) is the same as that of the Z-axis sliding table (417), and a nut of the Z-axis driving assembly (420) is fixedly connected with a sliding plate of the Z-axis sliding table (417); the bottom plate of the Y-axis sliding table (415) is fixedly connected with the bottom of the large arm of the loader;
first coupling component (422) with the structure of second coupling component (432) is the same, first coupling component (422) including in proper order end to end connect up connector (423), connecting cylinder (426) and lower connector (429) more than two or two, location connecting hole (428) have been seted up to the first end inner wall of connecting cylinder (426), the second end tip of connecting cylinder (426) is provided with location connector (427), the shape phase-match of location connector (427) and location connecting hole (428), the second end fixedly connected with location connector (427) of going up connector (423), location connecting hole (428) have been seted up to the first end inner wall of connector (429) down, the second end fixedly connected with of connector (429) articulates piece (430) down, go up the both sides wall of connector (423) and seted up the shaft hole, the shaft hole internal rotation is connected with spool (424) in the shaft hole, a steel cable is wound on the surface of the winding shaft (424), one end of the steel cable is fixedly connected with the surface of the winding shaft (424), the other end of the steel cable sequentially penetrates through the upper connecting head (423), the middle parts of two or more connecting cylinders (426) and the middle part of the lower connecting head (429) and is fixedly connected with the first end of the hinge block (430), and one end of the winding shaft (424) is in transmission connection with a speed reduction motor (425);
the structure of the first butt joint block (401) is the same as that of the second butt joint block (402), the first butt joint block (401) and the second butt joint block (402) are both provided with hydraulic channels (405) corresponding to each other, the inner diameters of two ends of each hydraulic channel (405) are smaller than that of the middle part of each hydraulic channel, the middle part of the inner wall of each hydraulic channel (405) is fixedly connected with a support frame (406), the middle part of each support frame (406) is provided with a through hole, a slide rod is connected in the through hole in a sliding manner, the first end of the slide rod is fixedly connected with a sealing block (407), the first end of the sealing block (407) is connected with the inner wall of each hydraulic channel (405) in a sealing manner, the surface of the slide rod is sleeved with a second spring (408), one end of the second spring (408) is lapped with the second end of the sealing block (407), and the other end of the second spring (408) is lapped with the side wall of the support frame (406), a push rod (409) is fixedly connected to the side wall of the hydraulic channel (405), the end part of the push rod (409) penetrates out of the hydraulic channel (405), and one end, far away from the opposite end, of the hydraulic channel (405) is communicated with a connector (404); the top both sides of first butt joint piece (401) are the relative fixedly connected with second pneumatic cylinder (410), the piston rod tip fixedly connected with fixed block (411) of second pneumatic cylinder (410), the lateral wall fixedly connected with third pneumatic cylinder (412) of fixed block (411), second pneumatic cylinder (410) and third pneumatic cylinder (412) mutually perpendicular, the both ends of third pneumatic cylinder (412) all fixedly connected with fixture block (413), the fixture block (413) lateral wall of third pneumatic cylinder (412) one end with the lateral wall overlap joint of first butt joint piece (401), fixture block (413) and the lateral wall of the third pneumatic cylinder (412) other end with the lateral wall overlap joint of second butt joint piece soon, the top fixedly connected with of first butt joint piece (401) articulates seat (414), the top both ends and the centre of first butt joint piece (401) and second butt joint piece (402) all are provided with correlation sensor (403), the correlation sensor (403) in the middle of the tops of the first correlation block (401) and the second correlation block (402) is higher than the correlation sensors (403) on two sides of the first correlation block (401), a conical recess is formed in the end of a hydraulic channel (405) of the first correlation block (401), a conical protrusion is formed in the end of the hydraulic channel (405) of the second correlation block (402), and the conical protrusion is connected in the conical recess in a sealing mode; the hinge block (430) of the first connecting assembly (422) is hinged to a hinge seat (414) at the top of the first butt joint block (401), an upper connector (423) of the first connecting assembly (422) is fixedly connected with the side wall of a sliding plate of the Z-axis sliding table (417), the middle of the outer side wall of a lower connector (429) of the first connecting assembly (422) is hinged to an electric push rod (431), and the other end of the electric push rod (431) is hinged to the top of the first butt joint block (401); the side wall of the hinged block (430) of the second connecting assembly (432) is fixedly connected with the top of the second butt-joint block (402), and the upper connector (423) of the second connecting assembly (432) is fixedly connected with the side wall of the hydraulic tamper (1);
the joint (404) of the first docking block (401) is in fluid communication with a hydraulic line of the loader (2), the joint (404) of the second docking block (402) is in fluid communication with a hydraulic line of the hydraulic tamper (1), and the first docking block (401) is in fluid communication with a hydraulic channel (405) of the second docking block (402).
2. The hydraulic ramming construction method for backfilling the back of a platform of a structure according to claim 1, wherein in the step A, when the surface layer of the leveled operation area is dry, uniform sprinkling is needed to prevent the surface from dusting, and the thickness of a filling layer of the operation area is less than or equal to 50 cm; in the step B, the center distance between the tamping points is 1.5 meters, and the distance between the tamping points is more than or equal to 0.5 meter according to the structure distance; in the step D, after the single tamping point is tamped, the machine is moved to the next point, tamping operation is carried out from the middle tamping point to the two tamping points, the left, the middle and the right three points are operated each time, and then the lower row of three points are constructed.
3. The hydraulic ramming construction method for backfilling of the back of a structural object according to claim 1, wherein in the step C, the quick-connection assembly (3) comprises a connection frame (301), a first connection shaft (302) and a second connection shaft (303) are respectively arranged at two ends of one side of the connection frame (301), and a first quick-connection assembly and a second quick-connection assembly are respectively arranged at two ends of the other side of the connection frame (301); first connecting axle (302) with the forearm tip of loader (2) is articulated, second connecting axle (303) with the forearm tip of loader (2) is articulated, first quick-connect subassembly with the connecting axle of hydraulic tamper (1) top is articulated, the second quick-connect subassembly with the connecting axle of hydraulic tamper (1) below is articulated.
4. The construction method for backfilling and hydraulic ramming compaction of the back of a structure table according to claim 3, wherein the first quick-connecting component comprises a first buckle (305), a second buckle (306) and a connecting plate (307), the connecting plate (307) is fixedly connected with the inner side wall of the connecting frame (301), through holes are formed in both ends of the connecting plate (307), the first buckle (305) and the second buckle (306) are arranged oppositely, gears (308) are fixedly connected to the second end side walls of the first buckle (305) and the second buckle (306), a rotating shaft penetrates through a central hole of the gear (308), the rotating shaft penetrates through the through holes in the side wall of the connecting plate (307), the two gears (308) are meshed with each other, and mutually staggered clamping teeth are arranged at the first ends of the first buckle (305) and the second buckle (306), after the first buckle (305) and the second buckle (306) are buckled, a round hole is formed inside, a fixing groove (309) is formed in the outer wall of a latch of the first buckle (305) along the radial direction of the latch, a fixing groove (309) is also formed in the outer wall of a latch of the second buckle (306) along the radial direction of the latch, the fixing groove (309) in the side wall of the first buckle (305) and the fixing groove (309) in the side wall of the second buckle (306) have the same structure, and the fixing groove (309) in the side wall of the first buckle (305) and the fixing groove (309) in the side wall of the second buckle (306) are positioned in the same plane; the outer side wall of the first buckle (305) is hinged with a first hydraulic cylinder (304), and the other end of the first hydraulic cylinder (304) is hinged with the inner side wall of the connecting frame (301); the first buckle (305) and the second buckle (306) are buckled on the surface of a connecting shaft above the hydraulic tamper (1) and form a hinge joint.
5. The construction method for the backfilling hydraulic ramming compaction of the structure table back according to claim 4, wherein an L-shaped fixing plate (310) is fixedly connected to the outer side wall of the first buckle (305), through holes are formed in the two ends and the middle of the outer side wall of the L-shaped fixing plate (310) along the radial direction of the first buckle (305), guide rods (312) penetrate through the through holes in the two ends of the L-shaped fixing plate (310), a clamping strip (311) is fixedly connected to the bottom end of each guide rod (312), a first spring (313) is sleeved on the surface of each guide rod (312), one end of each first spring (313) is in lap joint with the side wall of the L-shaped fixing plate (310), the other end of each first spring (313) is in lap joint with the top wall of the clamping strip (311), an electromagnetic push rod (314) is fixedly connected to the outer side wall of the L-shaped fixing plate (310), and the push rod end of each electromagnetic push rod (314) penetrates through the through hole in the middle of the L-shaped fixing plate (310) and is in lap joint with the clamping strip (311) ) The top walls are fixedly connected; the clamping strip (311) is clamped into the fixing groove (309) of the side wall of the first buckle (305) and the fixing groove (309) of the side wall of the second buckle (306).
6. The construction method for backfilling the back of a structural object by using a hydraulic ram compaction method according to claim 3, wherein the second quick-connecting component comprises a snap ring shaft (316) and a shaft lock (317), a clamping groove is formed in the middle of the snap ring shaft (316), arc sliding grooves are formed in the groove walls of the two sides of the clamping groove, the shaft lock (317) is arranged in the clamping groove in the middle of the snap ring shaft (316), arc sliding strips (318) are arranged on the two sides of the shaft lock (317), the arc sliding strips (318) are slidably connected in the arc sliding grooves of the inner side wall surface of the snap ring shaft (316), the arc sliding grooves, the shaft lock (317) and the arc sliding strips (318) are coaxially arranged, a gear ring (315) is fixedly connected to the circumferential side wall of the shaft lock (317), and a worm (320) is engaged with the surface of the gear ring (315), the both ends of worm (320) all through the bearing frame with the inner wall fixed connection of link (301), the lateral wall both ends of worm (320) all are provided with brush (321), the tip of brush (321) with the lateral wall overlap joint of ring gear (315), the one end transmission of worm (320) is connected with hydraulic motor (319).
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| CN113430884A (en) | 2021-09-24 |
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