CN109208582B - Reverse circulation pile driver - Google Patents
Reverse circulation pile driver Download PDFInfo
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- CN109208582B CN109208582B CN201811069464.2A CN201811069464A CN109208582B CN 109208582 B CN109208582 B CN 109208582B CN 201811069464 A CN201811069464 A CN 201811069464A CN 109208582 B CN109208582 B CN 109208582B
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- swing
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 106
- 239000010959 steel Substances 0.000 claims abstract description 106
- 230000007246 mechanism Effects 0.000 claims abstract description 104
- 238000009434 installation Methods 0.000 claims description 48
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 239000004519 grease Substances 0.000 claims description 8
- 210000002445 nipple Anatomy 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 16
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000227287 Elliottia pyroliflora Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/08—Removing obstacles
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/083—Cam, rack or like feed mechanisms
Abstract
The reverse circulation pile driver comprises a base and a frame assembly, wherein a differential leveling mechanism is arranged on the base, two swinging type steel wire rope wheel seats matched with the differential leveling mechanism are arranged on the frame assembly above the rear part of the differential leveling mechanism at intervals, two double-cam swing arm driving mechanisms matched with the two swinging type steel wire rope wheel seats are arranged on the base at intervals on the front side of the differential leveling mechanism, first steel wire rope wheels matched with the two double-cam swing arm driving mechanisms are arranged on the top of the frame assembly at intervals relatively, and two sections of steel wire ropes wound on the differential leveling mechanism sequentially penetrate through the two swinging type steel wire rope wheel seats, the two double-cam swing arm driving mechanisms and the two first steel wire rope wheels to be connected with an impact drill bit arranged between the two first steel wire rope wheels; the drill bit with larger mass can be driven to lift to complete the piling operation, the application range of the pile driver is enlarged, the working efficiency and the service life of the pile driver are improved, and the cost of the pile driver is reduced.
Description
Technical field:
the invention relates to a reverse circulation pile driver.
The background technology is as follows:
the working principle of the reverse circulation pile driver is that the driving mechanism drives the drill bit to lift, the drill bit is penetrated into the stratum by utilizing the impact force to perform construction operation, the mechanical device is widely applied to the fields of construction, hydraulic engineering, forestry and the like, the existing pile driver takes steam or oil ways as source power to directly drive the drill bit to do work, the traditional power mode can drive the drill bit to lift for performing construction operation, but the traditional power mode is only suitable for the drill bit with smaller mass, when the mass of the drill bit is larger, the requirement on a piston cylinder is higher, the cost of the pile driver is increased, and meanwhile, the problems of short service life and low working efficiency exist; in addition, pile driver drill bit often comes the lift of control drill bit through its two sections solitary wire rope in both sides, in the use, because the drill bit receives the influence of ground reverse impact force and stratum stone, after carrying out construction many times, wire rope rocks and leads to the drill bit unstable easily, and the difference can appear in the length of drill bit both ends wire rope, leads to the drill bit to take place the slope of certain degree, can't remain horizontal position all the time, if use the drill bit of slope to continue to be under construction, can produce great construction error, causes construction quality's decline.
The invention comprises the following steps:
the invention provides a reverse circulation pile driver which has reasonable structural design, can drive a drill bit with larger mass to lift so as to complete the pile driving operation, expands the application range of the pile driver, improves the working efficiency and the service life of the pile driver, reduces the cost of the pile driver, keeps the drill bit in a horizontal position in the construction process, is stable and firm, eliminates construction errors, improves the construction quality of the pile driver, and solves the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the reverse circulation pile driver comprises a base and a frame assembly, wherein a differential leveling mechanism is arranged on the base, two swinging type steel wire rope wheel seats matched with the differential leveling mechanism are arranged on the frame assembly at intervals on the rear upper side of the differential leveling mechanism, two double-cam swing arm driving mechanisms matched with the two swinging type steel wire rope wheel seats are arranged on the base on the front side of the differential leveling mechanism at intervals, first steel wire rope wheels matched with the two double-cam swing arm driving mechanisms are arranged on the top of the frame assembly at intervals relatively, and two sections of steel wire ropes wound on the differential leveling mechanism sequentially penetrate through the two swinging type steel wire rope wheel seats, the two double-cam swing arm driving mechanisms, the two first steel wire rope wheels and an impact drill bit arranged between the two first steel wire rope wheels.
The differential leveling mechanism comprises a transmission arranged on a base through a mounting seat, an input shaft of the transmission is connected with a driving rotating shaft through a coupling, an output shaft of the transmission is transmitted through a gear mechanism, a pneumatic clutch is arranged between the driving rotating shaft and a driving motor, two sides of the output shaft of the transmission are respectively connected with a brake mechanism, steel wire rope shafts are respectively arranged on the bases on two sides of the driving rotating shaft along the directions of the output shafts of the transmission through bearings, steel wire rope drums are respectively arranged on the steel wire rope shafts, steel wire ropes are wound on the steel wire rope drums, each steel wire rope drum comprises a drum body sleeved on the bearings, an outer side plate and an inner side plate are respectively arranged on the outer sides of two ends of each drum body, an intermediate baffle is arranged on the outer side of the middle of each drum body, each transmission mechanism comprises a driving gear arranged on the outer side of each brake mechanism, driven gear rings meshed with the driving gears are connected through bolts, locking gear rings are arranged on the outer surfaces of inner side plates of the steel wire rope drums, and locking mechanisms matched with the locking gear rings are arranged at positions corresponding to the locking gear rings on the bases.
The locking mechanism comprises an air cylinder, a piston rod of the air cylinder faces the locking gear ring, and a locking rack matched with the locking gear ring is fixedly connected to the piston rod of the air cylinder through a bolt.
The swing type steel wire rope wheel seat comprises a first installation base and a second installation base which are fixedly connected to a frame assembly in sequence, the first installation base and the second installation base are identical in structure, the swing type steel wire rope wheel seat comprises a bottom plate, the top of the bottom plate is connected with the frame assembly, a rib plate is arranged on the bottom plate, a fixing plate is arranged on the rib plate, a first installation shaft is arranged on the first installation base, a second installation shaft is arranged on the second installation base, a limit plate matched with the installation shaft is arranged on the rib plate outside each installation shaft, a wheel frame is movably installed on the first installation shaft and the second installation shaft, a second steel wire rope wheel is installed on the wheel frame, a steel wire rope is arranged on the second installation shaft, a rope outlet hole matched with the steel wire rope is formed in the second installation shaft, and the steel wire rope on the differential leveling mechanism bypasses the second steel wire rope wheel and penetrates out from the rope outlet hole.
The wheel carrier comprises two main boards spliced through rotating shafts, deep groove ball bearings are arranged on the rotating shafts in the two main boards, second steel wire rope sheaves are arranged on the deep groove ball bearings, a first swing arm and a second swing arm are fixedly connected to two ends of the main boards respectively, the first swing arm is movably sleeved on a first installation shaft, and the second swing arm is movably sleeved on a second installation shaft.
Copper sleeves are respectively arranged between the first swing arm and the first mounting shaft and between the second swing arm and the second mounting shaft, grease nipples are respectively arranged in the first swing arm and the second swing arm, the bottoms of the grease nipples are respectively communicated with the outer surfaces of the copper sleeves in a corresponding mode, thrust ball bearings are arranged between the second swing arm and the second mounting shaft, shaft baffles matched with the rotating shafts are arranged on the main board, reinforcing ribs are respectively arranged at two ends of the main board, and reinforcing plates are arranged on the main board along the direction of a rope outlet hole.
The double-cam swing arm driving mechanism comprises a swing wheel bracket and a double-cam mechanism which are matched, one end of the swing wheel bracket, which is far away from the double-cam mechanism, is provided with a swing wheel center seat, the swing wheel bracket is connected with the swing wheel center seat through a rotating shaft, one end of the swing wheel bracket, which is close to the double-cam mechanism, is provided with a third steel wire rope wheel, a steel wire rope of the swing steel wire rope wheel seat upwards passes through the third steel wire rope wheel and bypasses a first steel wire rope, the third steel wire rope wheel is matched with the double-cam mechanism, the swing wheel bracket is connected with the third steel wire rope wheel through the rotating shaft, a limit buffer mechanism matched with the swing wheel bracket is arranged in the swing wheel bracket, the double-cam mechanism comprises an upper cam plate welded with a welding hole, a middle reinforcing plate and a lower cam plate, the upper cam plate and the lower cam plate are identical in structure and respectively comprise two semicircular steel plates, the end faces of the two semicircular steel plates are in staggered butt joint integrally and are connected, the central positions of the upper cam plate, the middle reinforcing plate and the lower cam plate are provided with a roller groove, the roller groove is arranged between the inner side surface of the upper plate and the middle reinforcing plate and the outer end face of the middle reinforcing plate, the middle reinforcing plate is provided with a roller groove which is in contact with the roller bearing and the roller.
The limiting buffer mechanism comprises a mounting seat arranged below the swing wheel support, a limiting rod is fixedly connected to the mounting seat, the limiting rod is obliquely arranged towards the direction of the center seat of the swing wheel, and a buffer limiting plate and a rubber pad are sequentially connected to the top of the limiting rod through bolts.
The copper sleeve is arranged on the rotating shaft, the positioning plate is arranged at the joint of the swing wheel center seat and the swing wheel bracket, the positioning plate is arranged at the joint of the swing wheel bracket and the third steel wire rope wheel, and the fixing plate is arranged at the bottom of the swing wheel center seat.
A small winch is arranged on the base.
According to the invention, by adopting the structure, the lifting of the large-mass drill bit can be realized through the double-cam swing arm driving mechanism to finish piling construction operation, and the swing arm can be swung twice through one circle of double-cam rotation, so that the drill bit can finish piling construction operation twice; the limit buffer mechanism in the swing arm is driven to prevent the double cams from being in hard contact with the swing arm, so that the stability and the service life of the pile driver are improved; when the drill bit is inclined, the rope outlet speeds of the steel wire ropes at the two ends of the drill bit are respectively and independently adjusted through the differential leveling mechanism, so that the lengths of the steel wire ropes at the two ends of the drill bit are changed, and the inclination angle of the drill bit is compensated by the height difference at the two ends of the drill bit, so that the drill bit is kept at a horizontal position; when the pile driver fails, the pile driver is stopped in an emergency through a locking mechanism on the differential leveling mechanism, so that personal safety injury is avoided, and potential safety hazards are eliminated; the swinging wheel seat ensures that the rope outlet direction of the steel wire rope is the same angle each time, improves the stability of the drill bit, simultaneously equalizes the lengths of the steel wire ropes at two sides of the drill bit, keeps the drill bit in a horizontal plane and does not deviate; the cleaning mechanism on the pile driver is used for extracting mud and impurities in the pile driving hole, so that the construction error is reduced, the construction quality is improved, and the pile driving device has the advantages of easiness in operation, high working efficiency and long service life.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic structural view of the differential leveling mechanism of the present invention.
Fig. 4 is a side view of fig. 3.
Fig. 5 is a schematic structural view of a locking mechanism of the differential leveling mechanism of the present invention.
Fig. 6 is a schematic structural diagram of the oscillating wire rope reel seat of the present invention.
Fig. 7 is a side view of fig. 6.
Fig. 8 is a schematic structural view of a double cam swing arm driving mechanism of the present invention.
Fig. 9 is a schematic diagram of a double cam of the double cam swing arm driving mechanism of the present invention.
Fig. 10 is a cross-sectional view of fig. 9.
Fig. 11 is a schematic structural view of a swing arm mechanism of the double cam swing arm driving mechanism of the present invention.
Fig. 12 is a cross-sectional view of fig. 11.
In the figure, 1, a base, 2, a frame assembly, 3, a speed changer, 4, a coupler, 5, a driving rotating shaft, 6, a welding hole, 7, a pneumatic clutch, 8, a braking mechanism, 9, a wire rope shaft, 10, a wire rope roller, 11, a first wire rope pulley, 12, a percussion bit, 13, an outer plate, 14, an inner plate, 15, a driving gear, 16, a driven gear ring, 17, a locking gear ring, 18, a cylinder, 19, a locking rack, 20, a first mounting base, 21, a second mounting base, 22, a bottom plate, 23, a rib plate, 24, a fixing plate, 25, a first mounting shaft, 26, a second mounting shaft, 27, a limiting plate, 28 and a second wire rope pulley, 29, rope outlet hole, 30, main plate, 31, deep groove ball bearing, 32, first swing arm, 33, second swing arm, 34, copper bush, 35, grease nipple, 36, thrust ball bearing, 37, shaft baffle, 38, reinforcing rib, 39, reinforcing plate, 40, swing wheel bracket, 41, swing wheel center seat, 42, third wire rope sheave, 43, upper cam plate, 44, middle reinforcing plate, 45, lower cam plate, 46, rotating shaft hole, 47, chute, 48, roller, 49, cylindrical roller bearing, 50, bearing retainer ring, 51, limit lever, 52, buffer limit plate, 53, rubber pad, 54, locating plate, 55, small winch, 56 and wire rope.
The specific embodiment is as follows:
in order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings.
As shown in fig. 1-12, a reverse circulation pile driver comprises a base 1 and a frame assembly 2, wherein a differential leveling mechanism is arranged on the base 1, two swinging type wire rope wheel seats matched with the differential leveling mechanism are arranged on the frame assembly 2 above the rear part of the differential leveling mechanism at intervals, two double-cam swing arm driving mechanisms matched with the two swinging type wire rope wheel seats are arranged on the base 1 at intervals in front of the differential leveling mechanism, first wire rope wheels 11 matched with the two double-cam swing arm driving mechanisms are arranged at intervals relatively at the top of the frame assembly 2, and two sections of wire ropes 56 wound on the differential leveling mechanism sequentially penetrate through the two swinging type wire rope wheel seats, the two double-cam swing arm driving mechanisms and the two first wire rope wheels 11 to be connected with an impact drill bit 12 arranged between the two first wire rope wheels.
The differential leveling mechanism comprises a transmission 3 arranged on a base through a mounting seat, an input shaft of the transmission 3 is connected with a driving rotating shaft 5 through a coupler 4, an output shaft of the transmission 3 is transmitted through a gear mechanism, a pneumatic clutch 7 is arranged between the driving rotating shaft 5 and a driving motor, two sides of the output shaft of the transmission 3 are respectively connected with a brake mechanism 8, steel wire rope shafts 9 are respectively arranged on the base 1 at two sides of the driving rotating shaft 5 along the direction of the output shaft of the transmission 3 through bearings, steel wire rope drums 10 are respectively arranged on the steel wire rope shafts 9, steel wire ropes 56 are wound on the steel wire rope drums 10, the steel wire rope drums 10 comprise a cylinder body sleeved on the bearings, an outer side plate 13 and an inner side plate 14 are respectively arranged at the outer sides of two ends of the cylinder body, an intermediate baffle is arranged at the outer side of the middle of the cylinder body, the transmission mechanism comprises a driving gear 15 arranged at the outer side of each brake mechanism 8, driven rings 16 meshed with the driving gear 15 are connected on the outer side plate 13 of each steel wire rope drum 10 through bolts, locking gear rings 17 are arranged on the outer surfaces of the inner side plates 14 of the steel wire rope drums 10, locking mechanisms 17 are matched with the locking mechanisms are arranged at positions corresponding to the locking gear rings 17 on the base 1.
The locking mechanism comprises an air cylinder 18, a piston rod of which faces the locking gear ring 17, and a locking rack 19 matched with the locking gear ring 17 is fixedly connected to the piston rod of the air cylinder 18 through a bolt.
The swing type steel wire rope wheel seat comprises a first installation base 20 and a second installation base 21 which are fixedly connected to a frame assembly 2 in sequence, the first installation base 20 and the second installation base 21 are identical in structure, the swing type steel wire rope wheel seat comprises a bottom plate 22, the top of the bottom plate 22 is connected with the frame assembly 2, a rib plate 23 is arranged on the bottom plate 22, a fixing plate 24 is arranged on the rib plate 23, a first installation shaft 25 is arranged on the first installation base 20, a second installation shaft 26 is arranged on the second installation base 21, a limiting plate 27 matched with the installation shaft is arranged on the rib plate 23 outside each installation shaft, a wheel frame is movably installed on the first installation shaft 25 and the second installation shaft 26, a second steel wire rope wheel 28 is installed on the wheel frame, a steel wire rope 56 is arranged on the second steel wire rope wheel 28, a rope outlet hole 29 matched with the steel wire rope 56 is arranged on the second installation shaft 26, and the steel wire rope 56 on the differential mechanism bypasses the second steel wire rope wheel 28 and passes through the rope outlet hole 29.
The wheel carrier comprises two main boards 30 spliced through rotating shafts, deep groove ball bearings 31 are arranged on the rotating shafts in the two main boards 30, second steel wire rope pulleys 28 are arranged on the deep groove ball bearings, a first swing arm 32 and a second swing arm 33 are fixedly connected to two ends of the main boards 30 respectively, the first swing arm 32 is movably sleeved on the first mounting shaft 25, and the second swing arm 33 is movably sleeved on the second mounting shaft 26.
Copper sleeves 34 are respectively arranged between the first swing arm 32 and the first mounting shaft 25 and between the second swing arm 33 and the second mounting shaft 26, grease nipples 35 are respectively arranged in the first swing arm 32 and the second swing arm 33, the bottoms of the grease nipples 35 are respectively communicated with the outer surfaces of the copper sleeves 34 correspondingly, thrust ball bearings 36 are arranged between the second swing arm 33 and the second mounting shaft 26, shaft baffle plates 37 matched with the rotating shafts are arranged on the main board 30, reinforcing ribs 38 are respectively arranged at two ends of the main board 30, and reinforcing plates 39 are arranged on the main board 30 along the direction of the rope outlet 29.
The double-cam swing arm driving mechanism comprises a swing arm mechanism and a double-cam mechanism which are matched, the swing arm mechanism comprises a swing wheel support 40, one end of the swing wheel support 40, far away from the double-cam mechanism, is provided with a swing wheel center seat 41, the swing wheel support 40 is connected with the swing wheel center seat 41 through a rotating shaft, one end of the swing wheel support 40, close to the double-cam mechanism, is provided with a third wire rope pulley 42, a wire rope 56 of the swing wire rope pulley seat passes through the third wire rope pulley 42 upwards and bypasses the first wire rope 11, the third wire rope pulley 42 is matched with the double-cam mechanism, the swing wheel support 40 is connected with the third wire rope pulley 42 through the rotating shaft, a limit buffer mechanism matched with the swing wheel support 40 is arranged in the swing wheel support 40, the double-cam mechanism comprises an upper cam plate 43, a middle reinforcing plate 44 and a lower cam plate 45 which are welded through welding holes 6, the upper cam plate 43 and the lower cam plate 45 are identical in structure, the end faces of the two semicircular steel plates are in staggered butt joint integrally, the upper cam plate 43, the middle reinforcing plate 44 and the lower cam plate 45 are provided with a center position of the upper cam plate 43 and the middle reinforcing plate 45 is provided with a roller 46, the upper roller 46 is provided with a roller bearing hole 48, the lower roller 45 is arranged between the two side surfaces of the upper roller 46 and the lower roller 45, the roller 45 is in contact with the inner side of the upper roller 45, and the lower roller 45 is matched with the rotating shaft, and the upper roller 45, and the lower roller 45 is arranged in the inner side of the two roller 45, and the two roller 45 is matched with the upper roller 45, and the lower 45 is arranged.
The limiting buffer mechanism comprises an installation seat arranged below the swing wheel support, a limiting rod 51 is fixedly connected to the installation seat, the limiting rod 51 is obliquely arranged towards the direction of the center seat 41 of the swing wheel, and a buffer limiting plate 52 and a rubber pad 53 are sequentially connected to the top of the limiting rod 51 through bolts.
A copper sleeve is arranged on the rotating shaft, a positioning plate 54 is arranged at the joint of the swinging wheel center seat 41 and the swinging wheel support 40, a positioning plate is arranged at the joint of the swinging wheel support 40 and the third steel wire rope wheel 42, and a fixing plate is arranged at the bottom of the swinging wheel center seat 41.
A small winch 55 is arranged on the base 1, so that the working efficiency of the device is improved.
When the impact drill bit finishes one-time piling construction, the driving gear 6 is connected with the output shaft of the driving motor, the output shaft of the transmission 3 is driven to rotate through the coupler 4 and the driving rotating shaft 5, the speed of the output shaft of the transmission 3 can be regulated according to the actual demands of users by the transmission 3, the output shaft of the transmission 3 drives the driving gears 15 on two sides of the transmission to rotate, the driving gears 15 are meshed with the driven gear rings 16 to drive the wire rope drum 10 to rotate, the wire rope is recovered to the wire rope drum 10 along the first wire rope pulley 11, the third wire rope pulley 42 and the second wire rope pulley 28, the impact drill bit 12 is driven to rise, the impact drill bit 12 returns to the top of the frame assembly 2, the brake mechanism 8 brakes, the swing wheel bracket 40 is pressed by the cam plate and kept horizontal, and the impact drill bit 12 is kept at the initial position.
When the impact drill bit 12 piles, the cam motor drives the upper cam plate 43 and the lower cam plate 45 to rotate simultaneously, the arc surface on the cam compresses the roller 48, the roller 48 slides on the arc surface, when the third steel wire rope wheel 42 reaches the end surface of the cam plate, the swing wheel bracket 40 rotates around the rotating shaft under the action of gravity of the impact drill bit 12, the third steel wire rope wheel 43 rises into the sliding groove 47 in the cam plate, the impact drill bit 12 falls down to finish one pile driving construction, the middle reinforcing plate 44 in the sliding groove 47 is arranged along the circumferential direction of the cam plate, the groove depth of the sliding groove 47 is consistent, the cam plate continues to rotate under the action of the cam motor, the arc surface on the cam plate compresses the roller 48, the roller 48 slides on the arc surface, the swing wheel bracket 40 falls around the rotating shaft, the impact drill bit 12 rises, and as the cam plate is integrally connected by the staggered butt joint of two semicircular steel plates, the cam is of a rotationally symmetrical structure, the lifting action of the impact drill bit 12 can be completed twice by rotating one circumference, the limiting and buffering mechanism in the swing wheel bracket 40 prevents the swing wheel bracket 40 from being in hard contact with the cam through the buffering limiting plate 52, and the inner structure of the protection rubber pad 53 can play a role of protecting the inner structure; the copper sleeve on the rotating shaft, the positioning plate 54 on the swing wheel bracket 40 and the fixed plate at the bottom of the swing wheel center seat 41 can enable the structure of the pile driver to be more stable and firm; the impact drill bit 12 is installed and fixed by two sections of independent steel wire ropes at two sides of the impact drill bit 12, when the impact drill bit 12 tilts, the output shafts of the corresponding speed changer 3 are decelerated or braked by utilizing the brake mechanism 8, the output shafts at the other side keep normal speed, the height difference is generated at the two sides of the impact drill bit 12 through the speed difference of the two output shafts, the tilted impact drill bit 12 returns to the horizontal position again, the pneumatic clutch 7 between the driving shaft 5 and the driving gear 6 enables the starting and stopping actions of the pile driver to be stable, the shaking of the whole mechanism is reduced, and when the pile driver fails, the pile driver can be stopped emergently by the locking mechanism, so that personal safety injury is avoided, and potential safety hazards are eliminated; the swinging type steel wire rope wheel seat swings around the installation shaft through the first swinging arm 32 and the second swinging arm 33, each section of the steel wire rope is guaranteed to be output from the rope outlet 29 according to the same direction and angle, the deep groove ball bearing 31 in the second steel wire rope wheel 28 is matched with the grease nipple 35, lubricating oil is contained in a wheel groove on the second steel wire rope wheel 28, friction force of the steel wire rope in the sliding process is reduced, errors of the steel wire rope in the rope outlet direction are reduced, the stability degree of the device can be increased through the rib plates 23, the shaft baffle 37, the reinforcing plate 39 and the fixing plate 24 on the wheel seat, the service life of the device is prolonged, the consistent length of the steel wire ropes on two sides of the impact drill bit 12 is guaranteed, the impact drill bit 12 is kept in a horizontal position, and the thrust ball bearing 36 between the second swinging arm 33 and the second installation shaft 26 can increase lubrication and reduce resistance due to the slow swinging speed of the swinging arm.
The above embodiments are not to be taken as limiting the scope of the invention, and any alternatives or modifications to the embodiments of the invention will be apparent to those skilled in the art and fall within the scope of the invention.
The present invention is not described in detail in the present application, and is well known to those skilled in the art.
Claims (7)
1. The utility model provides a reverse circulation pile driver, includes base and frame assembly, its characterized in that: the differential leveling mechanism is arranged on the base, two swinging type steel wire rope wheel seats matched with the differential leveling mechanism are arranged on the frame assembly at intervals on the rear upper side of the differential leveling mechanism, two double-cam swing arm driving mechanisms matched with the two swinging type steel wire rope wheel seats are arranged on the base on the front side of the differential leveling mechanism at intervals, first steel wire rope wheels matched with the two double-cam swing arm driving mechanisms are arranged on the top of the frame assembly at intervals relatively, and two sections of steel wire ropes wound on the differential leveling mechanism sequentially penetrate through the two swinging type steel wire rope wheel seats, the two double-cam swing arm driving mechanisms and the two first steel wire rope wheels and are connected with an impact drill bit arranged between the two first steel wire rope wheels; the differential leveling mechanism comprises a speed changer which is arranged on a base through a mounting seat, an input shaft of the speed changer is connected with a driving rotating shaft through a coupling, an output shaft of the speed changer is transmitted through a gear mechanism, a pneumatic clutch is arranged between the driving rotating shaft and a driving motor, two sides of the output shaft of the speed changer are respectively connected with a brake mechanism, steel wire rope shafts are respectively arranged on the bases at two sides of the driving rotating shaft along the direction of the output shaft of the speed changer through bearings, steel wire rope drums are respectively arranged on the steel wire rope shafts, steel wire ropes are wound on the steel wire rope drums, the steel wire rope drums comprise a cylinder body which is sleeved on the bearings, an outer side plate and an inner side plate are respectively arranged at the outer sides of two ends of the cylinder body, an intermediate baffle plate and a transmission mechanism are arranged at the outer side of the middle part of the cylinder body, the transmission mechanism comprises a driving gear which is arranged at the outer side of each brake mechanism, a driven gear ring meshed with the driving gear is connected with the driving gear through bolts, a locking gear ring is arranged on the outer side plate of each steel wire rope drum, and a locking mechanism matched with the locking gear ring is arranged at the position corresponding to the locking gear ring on the base; the swinging type steel wire rope wheel seat comprises a first installation base and a second installation base which are sequentially and fixedly connected to a frame assembly, the first installation base and the second installation base are identical in structure, the swinging type steel wire rope wheel seat comprises a bottom plate, the top of the bottom plate is connected with the frame assembly, a rib plate is arranged on the bottom plate, a fixed plate is arranged on the rib plate, a first installation shaft is arranged on the first installation base, a second installation shaft is arranged on the second installation base, a limit plate matched with the installation shaft is arranged on the rib plate outside each installation shaft, a wheel frame is movably installed on the first installation shaft and the second installation shaft, a second steel wire rope wheel is installed on the wheel frame, a steel wire rope is arranged on the second steel wire rope wheel, a rope outlet hole matched with the steel wire rope is formed in the second installation shaft, and the steel wire rope on the differential leveling mechanism bypasses the second steel wire rope wheel and penetrates out from the rope outlet hole; the double-cam swing arm driving mechanism comprises a swing wheel bracket and a double-cam mechanism which are matched, one end of the swing wheel bracket, which is far away from the double-cam mechanism, is provided with a swing wheel center seat, the swing wheel bracket is connected with the swing wheel center seat through a rotating shaft, one end of the swing wheel bracket, which is close to the double-cam mechanism, is provided with a third steel wire rope wheel, a steel wire rope of the swing steel wire rope wheel seat upwards passes through the third steel wire rope wheel and bypasses a first steel wire rope, the third steel wire rope wheel is matched with the double-cam mechanism, the swing wheel bracket is connected with the third steel wire rope wheel through the rotating shaft, a limit buffer mechanism matched with the swing wheel bracket is arranged in the swing wheel bracket, the double-cam mechanism comprises an upper cam plate welded with a welding hole, a middle reinforcing plate and a lower cam plate, the upper cam plate and the lower cam plate are identical in structure and respectively comprise two semicircular steel plates, the end faces of the two semicircular steel plates are in staggered butt joint integrally and are connected, the central positions of the upper cam plate, the middle reinforcing plate and the lower cam plate are provided with a roller groove, the roller groove is arranged between the inner side surface of the upper plate and the middle reinforcing plate and the outer end face of the middle reinforcing plate, the middle reinforcing plate is provided with a roller groove which is in contact with the roller bearing and the roller.
2. A reverse circulation pile driver according to claim 1, characterised in that: the locking mechanism comprises an air cylinder, a piston rod of the air cylinder faces the locking gear ring, and a locking rack matched with the locking gear ring is fixedly connected to the piston rod of the air cylinder through a bolt.
3. A reverse circulation pile driver according to claim 1, characterised in that: the wheel carrier comprises two main boards spliced through rotating shafts, deep groove ball bearings are arranged on the rotating shafts in the two main boards, second steel wire rope sheaves are arranged on the deep groove ball bearings, a first swing arm and a second swing arm are fixedly connected to two ends of the main boards respectively, the first swing arm is movably sleeved on a first installation shaft, and the second swing arm is movably sleeved on a second installation shaft.
4. A reverse circulation pile driver according to claim 3, characterised in that: copper sleeves are respectively arranged between the first swing arm and the first mounting shaft and between the second swing arm and the second mounting shaft, grease nipples are respectively arranged in the first swing arm and the second swing arm, the bottoms of the grease nipples are respectively communicated with the outer surfaces of the copper sleeves in a corresponding mode, thrust ball bearings are arranged between the second swing arm and the second mounting shaft, shaft baffles matched with the rotating shafts are arranged on the main board, reinforcing ribs are respectively arranged at two ends of the main board, and reinforcing plates are arranged on the main board along the direction of a rope outlet hole.
5. A reverse circulation pile driver according to claim 1, characterised in that: the limiting buffer mechanism comprises a mounting seat arranged below the swing wheel support, a limiting rod is fixedly connected to the mounting seat, the limiting rod is obliquely arranged towards the direction of the center seat of the swing wheel, and a buffer limiting plate and a rubber pad are sequentially connected to the top of the limiting rod through bolts.
6. A reverse circulation pile driver according to claim 5, characterised in that: the copper sleeve is arranged on the rotating shaft, the positioning plate is arranged at the joint of the swing wheel center seat and the swing wheel bracket, the positioning plate is arranged at the joint of the swing wheel bracket and the third steel wire rope wheel, and the fixing plate is arranged at the bottom of the swing wheel center seat.
7. A reverse circulation pile driver according to claim 1, characterised in that: a small winch is arranged on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811069464.2A CN109208582B (en) | 2018-09-13 | 2018-09-13 | Reverse circulation pile driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811069464.2A CN109208582B (en) | 2018-09-13 | 2018-09-13 | Reverse circulation pile driver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109208582A CN109208582A (en) | 2019-01-15 |
| CN109208582B true CN109208582B (en) | 2023-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811069464.2A Active CN109208582B (en) | 2018-09-13 | 2018-09-13 | Reverse circulation pile driver |
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| Country | Link |
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| CN (1) | CN109208582B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485815A (en) * | 2020-04-26 | 2020-08-04 | 贵阳品创科技有限公司 | Pile punching machine convenient to fold and move |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201013226Y (en) * | 2007-02-27 | 2008-01-30 | 管佩先 | Automatic percussion pumping-up reverse circulation drill |
| CN202596569U (en) * | 2012-03-15 | 2012-12-12 | 李建成 | Impact air lift reverse circulation drilling machine |
| JP2014238309A (en) * | 2013-06-07 | 2014-12-18 | 東日本旅客鉄道株式会社 | Deviation amount measurement device for drilling bit |
| CN205617375U (en) * | 2016-04-05 | 2016-10-05 | 田始海 | But lateral shifting increases pile driver of pile area |
| CN209538165U (en) * | 2018-09-13 | 2019-10-25 | 方圆电气股份有限公司 | A kind of reacting cycle piling machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITPD20050350A1 (en) * | 2005-11-30 | 2007-06-01 | Comacchio Srl | WELL PITCHING MACHINE, PARTICULARLY FOR PERFORATION SYSTEMS WITH SINGLE RODS, WITH NEW TILTING ROD LOADER |
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- 2018-09-13 CN CN201811069464.2A patent/CN109208582B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201013226Y (en) * | 2007-02-27 | 2008-01-30 | 管佩先 | Automatic percussion pumping-up reverse circulation drill |
| CN202596569U (en) * | 2012-03-15 | 2012-12-12 | 李建成 | Impact air lift reverse circulation drilling machine |
| JP2014238309A (en) * | 2013-06-07 | 2014-12-18 | 東日本旅客鉄道株式会社 | Deviation amount measurement device for drilling bit |
| CN205617375U (en) * | 2016-04-05 | 2016-10-05 | 田始海 | But lateral shifting increases pile driver of pile area |
| CN209538165U (en) * | 2018-09-13 | 2019-10-25 | 方圆电气股份有限公司 | A kind of reacting cycle piling machine |
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| Publication number | Publication date |
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| CN109208582A (en) | 2019-01-15 |
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