CN109208582A - A kind of reacting cycle piling machine - Google Patents

Abstract

A reverse circulation pile driver includes a base and a frame assembly, a differential leveling mechanism is arranged on the base, and a frame assembly behind and above the differential leveling mechanism is spaced with the differential leveling mechanism. The matched two-swinging wire rope sheave seat is provided with two double-cam swing arm driving mechanisms matched with the two-swinging wire rope sheave on the base of the front side of the differential leveling mechanism, and the top of the frame assembly is relatively spaced There is a first wire rope pulley matched with the two double cam swing arm drive mechanisms, and the two wire ropes wound on the differential leveling mechanism pass through the two swing wire rope pulley seats, the two double cam swing arm drive mechanisms, and the two A wire rope pulley is connected to the impact drill bit arranged between the two first wire rope pulleys; it can drive the drill bit with larger quality to lift and complete the piling operation, expand the application scope of the pile driver, improve the working efficiency and service life of the pile driver, and reduce the pile driver. cost.

Description

A kind of reacting cycle piling machine

Technical field:

The present invention relates to a kind of reacting cycle piling machines.

Background technique:

The working principle of reacting cycle piling machine is that drill bit lifting is driven by driving mechanism, using impact force by drill bit injection Stratum, carries out constructing operation, and this mechanical device is widely used in the fields such as building, hydraulic engineering and forestry, existing piling Machine directly drives drill bit to do work using steam or oil circuit as driving source mostly, although this traditional dynamic mode can drive Drill bit lifting carries out construction movement, but is only applicable to the lesser drill bit of quality, the requirement when drill quality is larger, to piston cylinder It is higher, the increase of piling machine cost is caused, while there is also service lifes short, ineffective problem；In addition, piling machine Drill bit controls the lifting of drill bit often by the individual wirerope in two sections of its two sides, in use, due to drill bit by To the influence of ground anti-force and rock stratum stone, after repeatedly construct, wirerope shaking is easy to cause drill bit unstable Fixed, the length of drill bit both ends wirerope will appear difference, cause drill bit that a degree of inclination occurs, and can not remain horizontal Position can generate biggish construction error if continuing to construct using inclined drill bit, cause the decline of construction quality.

Summary of the invention:

It is reasonable in design the present invention provides a kind of reacting cycle piling machine, it is able to drive the biggish drill bit lifting of quality Complete piling operation, expand the scope of application of piling machine, improve the working efficiency and service life of piling machine, reduce piling machine at This, keeps drill bit to be in a horizontal position in the construction process, stable and firm, eliminates construction error, promotes the construction matter of piling machine Amount, solves problems of the prior art.

Used technical solution is the present invention to solve above-mentioned technical problem:

A kind of reacting cycle piling machine, including pedestal and support assembly are equipped with differential levelling mechanism, in differential tune on pedestal The two swing type wirerope wheel seats matched with differential levelling mechanism are equipped at intervals on the support assembly of flattening mechanism back upper place, in difference The two double cam swing arm driving machines matched with two swing type wirerope wheel seats are equipped at intervals on pedestal on front side of velocity modulation flattening mechanism Structure is equipped with the first wire rope pulley matched with two double cam swing arm driving mechanisms in the top relative spacing of support assembly, twines Two sections of wirerope being wound on differential levelling mechanism sequentially pass through two swing type wirerope wheel seats, two double cam swing arm driving machines Structure, two first wire rope pulleys are connected with the drill hammer being located between two first wire rope pulleys.

The differential levelling mechanism includes the speed changer being mounted on the base by mounting base, and the input shaft of speed changer passes through Shaft coupling is connected with drive shaft, and the output shaft of speed changer is transmitted by gear mechanism, between drive shaft and driving motor Equipped with pneumatic clutch, it is connected separately with braking mechanism in the two sides of transmission output shaft, on the pedestal of drive shaft two sides Pass through bearing respectively along transmission output shaft direction and wirerope axis be installed, wire rope drum is respectively equipped on wirerope axis, Wirerope is wound on wire rope drum, the wire rope drum includes the cylinder being set on bearing, on the outside of cylinder both ends It is respectively equipped with outer panel and interior plate, outside is equipped with intermediate bulkhead in the middle part of cylinder, and the transmission mechanism includes being located at each brake Driving gear on the outside of mechanism of car has been bolted on the outer panel of each wire rope drum and has been meshed with driving gear Driven tooth wheel rim, be equipped with locking gear ring in the interior plate outer surface of wire rope drum, the position of corresponding locking gear ring on pedestal Install the retaining mechanism matched with locking gear ring.

The retaining mechanism includes cylinder of the piston rod towards locking gear ring setting, passes through bolt on the piston rod of cylinder It is fixed with the locking rack matched with locking gear ring.

The swing type wirerope wheel seat includes the first mounting seat being successively connected on support assembly and the second installation Pedestal, first mounting seat is identical with the structure of the second mounting seat, including the bottom plate that top is connected with support assembly, Bottom plate is equipped with gusset, and fixed plate is equipped on gusset, and the first installation axle is equipped in the first mounting seat, installs bottom second Seat is equipped with the second installation axle, and the limit plate that installation axle matches is equipped on the gusset outside each installation axle, and a wheel carrier is living It is dynamic to be mounted in the first installation axle and the second installation axle, the second wire rope pulley is installed on wheel carrier, on the second wire rope pulley Equipped with wirerope, the rope hole that matches with wirerope is equipped in the second installation axle, the wirerope on differential levelling mechanism around It crosses the second wire rope pulley and is pierced by from rope hole.

The wheel carrier includes two mainboards mutually spliced by shaft, and the shaft in two mainboards is equipped with deep groove ball bearing, deep Second wire rope pulley is installed on ditch ball bearing, the first swing arm and the second swing arm, the first pendulum has been respectively fixedly connected at the both ends of mainboard Arm is movably set in the first installation axle, and the second swing arm is movably set in the second installation axle.

It is respectively equipped with copper sheathing between the first swing arm and the first installation axle, between the second swing arm and the second installation axle, Grease nipple is respectively equipped in one swing arm and the second swing arm, the bottom of the grease nipple is respectively corresponded with the outer surface of copper sheathing to be connected It is logical, it is equipped with thrust ball bearing between the second swing arm and the second installation axle, the axle bumper plate matched with shaft is equipped on mainboard, The both ends of mainboard are respectively equipped with reinforcing rib, are equipped with stiffening plate along rope hole direction on mainboard.

Double cam swing arm driving mechanism includes the oscillating arm mechanisms matched and double cam mechanism, the oscillating arm mechanisms packet Swing wheel support is included, is equipped with wobble wheel centre mount, the swing wheel support far from one end of double cam mechanism swinging wheel support It is connected by shaft with wobble wheel centre mount, is equipped with third wire rope pulley close to one end of double cam mechanism swinging wheel support, The wirerope of swing type wirerope wheel seat is pierced by around third wire rope pulley upwards and around the first wirerope, third wire rope pulley Mechanism matches with double cam, and the swing wheel support is connected by shaft with third wire rope pulley, sets swinging in wheel support There is the limiting buffer mechanism matched with swing wheel support, the double cam mechanism includes the overhead cam mutually welded by welding hole Plate, intermediate stiffening plate and lower cam plate, the hardened structure of convex wheel plate and lower cam is identical, respectively includes two halves circular steel plate, two halves The end face of circular steel plate is staggeredly docked and is integrally connected, and is equipped in the center of convex wheel plate, intermediate stiffening plate and lower cam plate The shaft hole being connected circumferentially is set between the outer end face of the inner surface and intermediate stiffening plate of convex wheel plate and lower cam plate There is the consistent sliding slot of groove depth, shaft hole is connected with the output shaft of cam motor, in the shaft of third wire rope pulley two sides respectively Equipped with idler wheel, two idler wheels are contacted with the convex wheel plate of double cam mechanism and lower cam plate respectively, and cylinder is respectively equipped in idler wheel Roller bearing and the end ring matched with bearing.

The limiting buffer mechanism includes that the mounting base swung below wheel support is arranged in, and limit is fixed in mounting base Bar, gag lever post are obliquely installed to wobble wheel centre mount direction, are connected with buffer limit in turn by bolt at the top of gag lever post Plate and rubber pad.

It is equipped with copper sheathing in shaft, is equipped with positioning plate in wobble wheel centre mount and the junction for swinging wheel support, is swinging The junction of wheel support and third wire rope pulley is equipped with positioning plate, is equipped with fixed plate in the bottom of wobble wheel centre mount.

Small hoist engine is equipped on pedestal.

The present invention can be realized the lifting of big quality drill bit using the above structure, by double cam swing arm driving mechanism come complete It is operated at piling construction, one circle of double cam rotation can make swing arm complete double swing, apply so that drill bit be made to complete piling twice Work operation；It prevents double cam and swing arm from contacting firmly by the limiting buffer mechanism in driving swing arm, increases the firm of piling machine Degree and service life；When drill bit run-off the straight, drill bit both ends wirerope is individually adjusted by differential levelling mechanism There is difference in height at the both ends of drill bit and comes compensated drill bit inclination angle to change the length of drill bit both ends wirerope in rope speed out Degree makes drill bit keep horizontal position；When piling machine breaks down, by the retaining mechanism on differential levelling mechanism by piling machine Emergent stopping avoids the occurrence of personal safety injury, eliminates safe hidden trouble；Guarantee going out every time for wirerope by swing type wheel seat Rope direction is same angle, improves the stability of drill bit, while keeping the rope capacity of drill bit two sides impartial, and drill bit is kept to be in Horizontal plane does not deviate；The mud and impurity in pile hole are extracted by the cleaning mechanism on piling machine, reduces construction and misses Difference improves construction quality, has the advantages that easily operated, work efficiency is high, long service life.

Detailed description of the invention:

Fig. 1 is the structural diagram of the present invention.

Fig. 2 is the side view of Fig. 1.

Fig. 3 is the structural schematic diagram of differential levelling mechanism of the invention.

Fig. 4 is the side view of Fig. 3.

Fig. 5 is the structural schematic diagram of the retaining mechanism of differential levelling mechanism of the invention.

Fig. 6 is the structural schematic diagram of swing type wirerope wheel seat of the invention.

Fig. 7 is the side view of Fig. 6.

Fig. 8 is the structural schematic diagram of double cam swing arm driving mechanism of the invention.

Fig. 9 is the structural schematic diagram of the double cam of double cam swing arm driving mechanism of the invention.

Figure 10 is the cross-sectional view of Fig. 9.

Figure 11 is the structural schematic diagram of the oscillating arm mechanisms of double cam swing arm driving mechanism of the invention.

Figure 12 is the cross-sectional view of Figure 11.

In figure, 1, pedestal, 2, support assembly, 3, speed changer, 4, shaft coupling, 5, drive shaft, 6, welding hole, 7, air clutch Device, 8, braking mechanism, 9, wirerope axis, 10, wire rope drum, the 11, first wire rope pulley, 12, drill hammer, 13, outer panel, 14, interior plate, 15, driving gear, 16, driven tooth wheel rim, 17, locking gear ring, 18, cylinder, 19, locking rack, the 20, first peace Dress pedestal, the 21, second mounting seat, 22, bottom plate, 23, gusset, 24, fixed plate, the 25, first installation axle, the 26, second installation axle, 27, limit plate, the 28, second wire rope pulley, 29, rope hole, 30, mainboard, 31, deep groove ball bearing, the 32, first swing arm, 33, second Swing arm, 34, copper sheathing, 35, grease nipple, 36, thrust ball bearing, 37, axle bumper plate, 38, reinforcing rib, 39, stiffening plate, 40, wobble wheel Bracket, 41, wobble wheel centre mount, 42, third wire rope pulley, 43, convex wheel plate, 44, intermediate stiffening plate, 45, lower cam plate, 46, shaft hole, 47, sliding slot, 48, idler wheel, 49, cylinder roller bearing, 50, end ring, 51, gag lever post, 52, buffer limit Plate, 53, rubber pad, 54, positioning plate, 55, small hoist engine, 56, wirerope.

Specific embodiment:

In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this hair It is bright to be described in detail.

As shown in Fig. 1-12, a kind of reacting cycle piling machine, including pedestal 1 and support assembly 2, it is poor to be equipped on pedestal 1 Velocity modulation flattening mechanism is equipped at intervals with two matched with differential levelling mechanism on the support assembly 2 of differential levelling mechanism back upper place Swing type wirerope wheel seat, is equipped at intervals on the pedestal 1 on front side of differential levelling mechanism and two swing type wirerope wheel seats match The two double cam swing arm driving mechanisms closed are equipped with and two double cam swing arm driving mechanisms in the top relative spacing of support assembly 2 The first wire rope pulley 11 matched, two sections of wirerope 56 being wrapped on differential levelling mechanism sequentially pass through two swing type steel wires Rope sheave seat, two double cam swing arm driving mechanisms, two first wire rope pulleys 11 and the impact drill being located between two first wire rope pulleys First 12 are connected.

The differential levelling mechanism includes the speed changer 3 being mounted on the base by mounting base, and the input shaft of speed changer 3 is logical It crosses shaft coupling 4 and is connected with drive shaft 5, the output shaft of speed changer 3 is transmitted by gear mechanism, in drive shaft 5 and driving electricity It is equipped with pneumatic clutch 7 between machine, braking mechanism 8 is connected separately in the two sides of 3 output shaft of speed changer, at 5 liang of drive shaft Pass through bearing respectively along the output of speed changer 3 axis direction on the pedestal 1 of side and wirerope axis 9 is installed, is set respectively on wirerope axis 9 There is wire rope drum 10, wirerope 56 is wound on wire rope drum 10, the wire rope drum 10 includes being set on bearing Cylinder, outer panel 13 and interior plate 14 are respectively equipped on the outside of cylinder both ends, in the middle part of cylinder outside be equipped with intermediate bulkhead, institute Stating transmission mechanism includes the driving gear 15 for being located at each 8 outside of braking mechanism, in the outer panel 13 of each wire rope drum 10 On the driven tooth wheel rim 16 being meshed with driving gear 15 is bolted, in 14 appearance of interior plate of wire rope drum 10 Face is equipped with locking gear ring 17, and the position of corresponding locking gear ring 17 is equipped with the locking machine matched with locking gear ring 17 on pedestal 1 Structure.

The retaining mechanism includes the cylinder 18 that piston rod is arranged towards locking gear ring 17, is led on the piston rod of cylinder 18 It crosses bolt and is fixed with the locking rack 19 matched with locking gear ring 17.

The swing type wirerope wheel seat includes the first mounting seat 20 and the second peace being successively connected on support assembly 2 Pedestal 21 is filled, first mounting seat 20 is identical with the structure of the second mounting seat 21, including top is connected with support assembly 2 Bottom plate 22, gusset 23 is equipped on bottom plate 22, fixed plate 24 is equipped on gusset 23, the is equipped in the first mounting seat 20 One installation axle 25 is equipped with the second installation axle 26 in the second mounting seat 21, is equipped on the gusset 23 outside each installation axle The limit plate 27 that installation axle matches, a wheel carrier is movably arranged in the first installation axle 25 and the second installation axle 26, on wheel carrier Second wire rope pulley 28 is installed, wirerope 56 is equipped on the second wire rope pulley 28, is equipped in the second installation axle 26 and steel The rope hole 29 that cord 56 matches, wirerope 56 on differential levelling mechanism is around the second wire rope pulley 28 and from rope hole 29 It is pierced by.

The wheel carrier includes two mainboards 30 mutually spliced by shaft, and the shaft in two mainboards 30 is equipped with deep groove ball bearing 31, the second wire rope pulley 28 is installed on deep groove ball bearing, the first swing arm 32 and second has been respectively fixedly connected at the both ends of mainboard 30 Swing arm 33, the first swing arm 32 are movably set in the first installation axle 25, and the second swing arm 33 is movably set in the second installation axle 26.

Copper is respectively equipped between the first swing arm 32 and the first installation axle 25, between the second swing arm 33 and the second installation axle 26 Set 34 is respectively equipped with grease nipple 35, bottom and the copper sheathing 34 of the grease nipple 35 in the first swing arm 32 and the second swing arm 33 Outer surface, which respectively corresponds, to be connected, and thrust ball bearing 36 is equipped between the second swing arm 33 and the second installation axle 26, in mainboard 30 It is equipped with the axle bumper plate 37 matched with shaft, the both ends of mainboard 30 are respectively equipped with reinforcing rib 38, along rope hole on mainboard 30 29 directions are equipped with stiffening plate 39.

Double cam swing arm driving mechanism includes the oscillating arm mechanisms matched and double cam mechanism, the oscillating arm mechanisms packet It includes and swings wheel support 40, be equipped with wobble wheel centre mount 41, the swing far from one end of double cam mechanism swinging wheel support 40 Wheel support 40 is connected by shaft with wobble wheel centre mount 41, is swinging wheel support 40 close to one end of double cam mechanism equipped with the The wirerope 56 of three wire rope pulleys 42, swing type wirerope wheel seat is pierced by around third wire rope pulley 42 upwards and around the first steel Cord 11, third wire rope pulley 42 are matched with double cam mechanism, and the swing wheel support 40 passes through shaft and third wirerope Wheel 42 is connected, and is swinging the limiting buffer mechanism for being equipped in wheel support 40 and matching with swing wheel support 40, the biconvex turbine Structure includes the convex wheel plate 43 welded by 6 phase of welding hole, intermediate stiffening plate 44 and lower cam plate 45, convex wheel plate 43 and lower cam 45 structure of plate is identical, respectively includes two halves circular steel plate, and the end face of two halves circular steel plate, which is staggeredly docked, to be integrally connected, in overhead cam Plate 43, intermediate stiffening plate 44 are equipped with the shaft hole 46 being connected with the center of lower cam plate 45, in convex wheel plate 43 under Circumferentially arranged with the consistent sliding slot 47 of groove depth, shaft hole between the inner surface of lobe plate 45 and the outer end face of intermediate stiffening plate 44 46 are connected with the output shaft of cam motor, and idler wheel 48, two idler wheels 48 are respectively equipped in the shaft of 42 two sides of third wire rope pulley It is contacted respectively with the convex wheel plate 43 of double cam mechanism and lower cam plate 45, cylinder roller bearing 49 is respectively equipped in idler wheel 48 With the end ring 50 matched with bearing.

The limiting buffer mechanism includes that the mounting base swung below wheel support is arranged in, and limit is fixed in mounting base Bar 51, gag lever post 51 are obliquely installed to 41 direction of wobble wheel centre mount, are connected in turn at the top of gag lever post 51 by bolt Buffer limit plate 52 and rubber pad 53.

It is equipped with copper sheathing in shaft, is equipped with positioning plate 54 in wobble wheel centre mount 41 and the junction for swinging wheel support 40, It is equipped with positioning plate in the junction for swinging wheel support 40 and third wire rope pulley 42, is equipped in the bottom of wobble wheel centre mount 41 solid Fixed board.

It is equipped with small hoist engine 55 on pedestal 1, improves the working efficiency of device.

When drill hammer completes a piling construction, driving gear 6 is connected with the output shaft of driving motor, passes through shaft coupling 4 and drive shaft 5 drive the output shaft rotation of speed changer 3, speed changer 3 can adjust speed changer 3 according to user's actual need The speed of output shaft, the output shaft of speed changer 3 drive the driving gear 15 of its two sides to rotate, pass through driving gear 15 and driven tooth Wheel rim 16 is meshed, and drives wire rope drum 10 to rotate, wirerope is along the first wire rope pulley 11, third wire rope pulley 42 and second The wheel of wirerope 28 is recovered on wire rope drum 10, and drill hammer 12 is driven to rise, and drill hammer 12 returns to the top of support assembly 2 Portion, braking mechanism 8 brake, and swing wheel support 40 and are compressed by lobe plate, keep horizontal, drill hammer 12 is made to be maintained at initial bit It sets.

When drill hammer 12 is driven piles, cam motor drives convex wheel plate 43 and lower cam plate 45 to rotate simultaneously, cam On arc surface pinch rollers 48, idler wheel 48 slides on arc surface, when third wire rope pulley 42 reaches the end face of lobe plate, Under the action of 12 gravity of drill hammer, swings wheel support 40 and rotate around the axis, third wire rope pulley 43 rises in lobe plate Sliding slot 47 in, drill hammer 12, which falls, completes a piling construction, and the intermediate stiffening plate 44 in sliding slot 47 is circumferential along lobe plate Setting, and the groove depth of sliding slot 47 is consistent, under the action of cam motor, lobe plate is continued to rotate, the circular arc face pressure on lobe plate Tight idler wheel 48, idler wheel 48 slide on arc surface, swing wheel support 40 and decline around the shaft, drill hammer 12 rises, due to cam Plate is staggeredly docked by two halves circular steel plate and is integrally connected, and cam is rotational symmetry shape structure, and one circumference of rotation can be completed twice The lifting action of drill hammer 12 improves the working efficiency of piling machine, and the limiting buffer mechanism swung in wheel support 40 passes through Buffer limit plate 52 contacts firmly to prevent from swinging wheel support 40 and cam, protects the internal structure of piling machine, and rubber pad 53 can be with Play the role of certain buffer protection；Copper sheathing in shaft swings positioning plate 54 and wobble wheel centre mount 41 on wheel support 40 The fixed plate of bottom can make the structure of piling machine more stable and firm；Drill hammer 12 is by the individual two sections of steel wires in its two sides Rope carries out installation fixation, when drill hammer 12 tilts, is carried out using braking mechanism 8 to corresponding 3 output shaft of speed changer Slow down or brake, the output revolving shaft of the other side keeps normal speed, by the speed difference of two output shafts in drill hammer 12 Two sides generate difference in height, so that inclined drill hammer 12 is come back to horizontal position, between drive shaft 5 and driving gear 6 What pneumatic clutch 7 made piling machine starts and stops stable action, reduces the shaking of entire mechanism, when piling machine breaks down When, piling machine emergent stopping can be avoided the occurrence of the injury of personal safety, eliminated safe hidden trouble by retaining mechanism；Swing type steel Cord wheel seat is swung by the first swing arm 32 and the second swing arm 33 around installation axle, is guaranteed each section of wirerope and is all pressed from rope hole 29 It is exported according to same direction and angle, the deep groove ball bearing 31 and grease nipple 35 inside the second wire rope pulley 28 match, and make Contain lubricating oil in race on second wire rope pulley 28, reduces frictional force of the wirerope in sliding process, reduce wirerope Error on rope outlet direction, gusset 23, axle bumper plate 37, stiffening plate 39 and fixed plate 24 on wheel seat can increase the firm of device Degree improves the service life of device, guarantees that the rope capacity of 12 two sides of drill hammer is consistent, drill hammer 12 is kept to be in Horizontal position, 36 energy of thrust ball bearing since the swing speed of swing arm is slower, between the second swing arm 33 and the second installation axle 26 It is enough to increase lubrication, reduce resistance.

Above-mentioned specific embodiment cannot function as limiting the scope of the invention, for the technology people of the art For member, any alternate modification or transformation made to embodiment of the present invention are fallen within the scope of protection of the present invention.

Place is not described in detail by the present invention, is the well-known technique of those skilled in the art of the present technique.

Claims (10)

1. A reverse circulation pile driver, comprising a base and a frame assembly, is characterized in that: the base is provided with a differential leveling mechanism, and the frame assembly above the differential leveling mechanism is provided with and The two oscillating wire rope sheave bases matched with the differential leveling mechanism are provided with two double cam swing arm driving mechanisms matched with the two oscillating wire rope sheaves at intervals on the base on the front side of the differential leveling mechanism. The top of the assembly is provided with a first wire rope sheave matched with the two double cam swing arm drive mechanisms at relative intervals. The arm driving mechanism and the two first wire rope pulleys are connected with the impact drill bit arranged between the two first wire rope pulleys. 2 . The reverse circulation pile driver according to claim 1 , wherein the differential leveling mechanism comprises a transmission mounted on the base through a mounting seat, and the input shaft of the transmission is connected with a drive shaft through a coupling. 3 . , the output shaft of the transmission is transmitted through a gear mechanism, a pneumatic clutch is arranged between the driving shaft and the driving motor, and a braking mechanism is respectively connected on both sides of the output shaft of the transmission. A wire rope shaft is installed through the bearing, and a wire rope drum is respectively provided on the wire rope shaft. The wire rope drum is wound with a wire rope. The wire rope drum includes a cylinder sleeved on the bearing. The inner side plate is provided with a middle partition plate on the outer side of the middle part of the cylinder body, the transmission mechanism includes a driving gear arranged on the outer side of each braking mechanism, and the outer side plate of each wire rope drum is connected by bolts with a driven gear meshing with the driving gear. The movable gear ring is provided with a locking gear ring on the outer surface of the inner plate of the wire rope drum, and a locking mechanism matched with the locking gear ring is arranged on the base at the position corresponding to the locking gear ring. 3. A reverse circulation pile driver according to claim 2, characterized in that: the locking mechanism comprises a cylinder with a piston rod facing the locking ring gear, and the piston rod of the cylinder is fixedly connected with a lock by bolts. The locking rack matched with the tight ring gear. 4 . The reverse circulation pile driver according to claim 1 , wherein the swing type wire rope sheave base comprises a first mounting base and a second mounting base which are sequentially fixed on the frame assembly, and the said The first installation base and the second installation base have the same structure, including a bottom plate whose top is connected with the rack assembly, a rib plate is arranged on the bottom plate, a fixing plate is arranged on the rib plate, and a third plate is arranged on the first installation base. an installation shaft, a second installation shaft is arranged on the second installation base, a limit plate matched with the installation shaft is arranged on the rib outside each installation shaft, and the wheel frame is movably installed on the first installation shaft and the first installation shaft On the two installation shafts, a second wire rope sheave is installed on the wheel frame, a wire rope is installed on the second wire rope sheave, and a rope outlet hole matched with the wire rope is formed on the second installation shaft. The wire rope goes around the second wire rope pulley and passes through the rope outlet hole. 5. A kind of reverse circulation pile driver according to claim 4, it is characterized in that: described wheel frame comprises two main plates spliced by rotating shafts, the rotating shafts in the two main plates are provided with deep groove ball bearings, deep groove ball bearings A second wire rope pulley is installed on it, a first swing arm and a second swing arm are respectively fixed at both ends of the main board, the first swing arm is movably sleeved on the first installation shaft, and the second swing arm is movably sleeved on the first swing arm. The second is installed on the shaft. 6. A reverse circulation pile driver according to claim 5, wherein copper sleeves are respectively provided between the first swing arm and the first installation shaft, and between the second swing arm and the second installation shaft, Grease nipples are respectively provided in the first swing arm and the second swing arm, the bottoms of the grease nipples communicate with the outer surface of the copper sleeve respectively, and thrust balls are arranged between the second swing arm and the second installation shaft For the bearing, the main board is provided with a shaft baffle plate matched with the rotating shaft, the two ends of the main board are respectively provided with reinforcing ribs, and the main board is provided with reinforcing plates along the direction of the rope hole. 7 . The reverse circulation pile driver according to claim 1 , wherein the double cam swing arm drive mechanism comprises a matched swing arm mechanism and a double cam mechanism, and the swing arm mechanism includes a swing wheel bracket, 8 . A swing wheel center seat is provided at the end of the swing wheel bracket away from the double cam mechanism, the swing wheel bracket is connected to the swing wheel center seat through a rotating shaft, and a third wire rope pulley is arranged at the end of the swing wheel bracket close to the double cam mechanism. The wire rope of the wire rope wheel seat passes through the third wire rope pulley and goes up and goes around the first wire rope. The third wire rope pulley is matched with the double cam mechanism. The swing wheel bracket is connected to the third wire rope wheel through the rotating shaft. There is a limit buffer mechanism matched with the swing wheel bracket. The double cam mechanism includes an upper cam plate, a middle reinforcing plate and a lower cam plate welded through welding holes. The upper cam plate and the lower cam plate have the same structure, respectively. It includes two semi-circular steel plates, the end faces of the two semi-circular steel plates are staggered butt-jointed together, and the central position of the upper cam plate, the middle reinforcing plate and the lower cam plate is provided with a connecting shaft hole, and the upper cam plate and the lower cam plate are connected. A chute with the same groove depth is arranged in the circumferential direction between the inner surface of the cam motor and the outer end surface of the middle reinforcing plate. The shaft hole is connected to the output shaft of the cam motor. Rollers are respectively provided on the shafts on both sides of the third wire rope pulley. In contact with the upper cam plate and the lower cam plate of the double cam mechanism, a cylindrical roller bearing and a bearing retaining ring matched with the bearing are respectively arranged in the roller. 8 . The reverse circulation pile driver according to claim 7 , wherein the limit buffer mechanism comprises a mounting seat arranged under the swing wheel bracket, and a limit rod is fixedly connected to the mounting seat, and the limit rod It is inclined and arranged in the direction of the center seat of the swing wheel, and a buffer limit plate and a rubber pad are sequentially connected to the top of the limit rod through bolts. 9. A kind of reverse circulation pile driver according to claim 7 is characterized in that: a copper sleeve is arranged on the rotating shaft, a positioning plate is arranged at the joint of the swing wheel center seat and the swing wheel bracket, and the swing wheel bracket and the swing wheel bracket are provided with a positioning plate. A positioning plate is arranged at the joint of the third wire rope pulley, and a fixing plate is arranged at the bottom of the center seat of the swinging wheel. 10. A reverse circulation pile driver according to claim 1, wherein a small winch is arranged on the base.