CN213838623U

CN213838623U - Clay foundation, rock foundation and mixed geology rock breaking push bench

Info

Publication number: CN213838623U
Application number: CN202022934780.0U
Authority: CN
Inventors: 彭光明; 徐少南; 王丽华; 朱爱华; 周鹏
Original assignee: CCCC Shanghai Dredging Co Ltd.
Current assignee: CCCC Shanghai Dredging Co Ltd.
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-07-30
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a clay base, rock basement and mix broken rock pipe jacking machine of geology, including the pipe jacking machine body, the inside of pipe jacking machine body is provided with first motor, the output fixedly connected with action wheel of first motor, and one side of action wheel is provided with from the driving wheel, from the middle part fixedly connected with axis of driving wheel, and the axis runs through pipe jacking machine body one end and dismantles and be connected with the connecting axle, and centraxonial one end fixedly connected with commentaries on classics blade disc is kept away from to the connecting axle, and the connecting axle is kept away from the one end that changes the blade disc and is provided with block mechanism, the utility model discloses the beneficial effect who reaches includes: the utility model discloses be provided with rabbling mechanism and raceway, water is from raceway lower extreme and distributive pipe blowout, moistens soil for soil softens, and convenient the tunnelling, the puddler of rabbling mechanism rotates simultaneously, stirs the mixture to water and soil and becomes for mud, reduces the friction of blade disc and soil, and doctor-bar on the puddler can scrape the clearance to the pipe ejection machine surface, avoids water spray department to be blockked up by mud.

Description

Clay foundation, rock foundation and mixed geology rock breaking push bench

The technical field is as follows:

the utility model belongs to the technical field of the auxiliary assembly is laid to the pipeline, in particular to broken rock pipe jacking machine of clay base, rock-based and mixed geology.

Background art:

a rock breaking pipe jacking machine is a tunneling device for laying a pipeline, tunneling is carried out underground through a rotary cutter head at the working end of the pipe jacking machine, and excavated soil is sent into a storage device through an internal spiral feeder so as to be conveyed to the ground.

Under the prior art, when the push bench is in operation, the cutter head is inconvenient to replace according to different geology, and when the clay foundation, the rock foundation and the mixed geology of difference are tunneled, the efficiency is low, and the cutter body is damaged too fast due to the friction between the bedrock and the rotary cutter, so that the service life is short.

The utility model has the following contents:

the utility model aims at providing a clay base, rock-based and mix geology and break rock push bench in order to solve above-mentioned problem, solved at push bench during operation, inconvenient according to the geology of difference change blade disc, when clay base, rock-based and the mix geology tunnelling to the difference, inefficiency, the friction between while bed rock and the rotary cutter can lead to the cutter body to damage fast, shortcomings such as life weak point.

In order to solve the above problem, the utility model provides a technical scheme:

a clay foundation, a rock foundation and mixed geology rock breaking push bench comprises a push bench body, wherein a first motor is arranged inside the push bench body, the output end of the first motor is fixedly connected with a driving wheel, one side of the driving wheel is provided with a driven wheel, the middle part of the driven wheel is fixedly connected with a center shaft, the center shaft penetrates through one end of the push bench body and is detachably connected with a connecting shaft, one end, away from the center shaft, of the connecting shaft is fixedly connected with a rotating cutter disc, one end, away from the rotating cutter disc, of the connecting shaft is provided with a clamping mechanism, the clamping mechanism comprises two clamping blocks, one end of each clamping block is provided with a convex block oppositely, a stirring mechanism is arranged between the rotating cutter disc and the side wall of the push bench body, a connecting cylinder is arranged inside the push bench body and below the first motor, and one end of the connecting cylinder is provided with a buffer mechanism, buffer gear includes the unloading pipe, be provided with the flabellum in the unloading pipe, the inside top of pipe pushing jack body is dismantled and is connected with the water pump, the output end fixedly connected with second connecting pipe of water pump, the one end fixedly connected with adjusting box of water pump is kept away from to the second connecting pipe, be provided with adjustment mechanism in the adjusting box, adjustment mechanism includes fixed plate and regulating plate, the regulating plate sets up with the fixed plate is relative.

Preferably, the middle parts of the two sides of the connecting shaft are both provided with screw holes, the connecting shaft is inserted into one end of the middle shaft, bolts are connected with both sides of the middle shaft in a threaded manner, the bolts are connected in the screw holes in a threaded manner, guide grooves are arranged on both sides of the inner part of the middle shaft, the two sides of the connecting shaft are fixedly connected with sliding blocks which are connected in the guide grooves in a sliding manner, one end of the connecting shaft, which is far away from the rotary cutter head, is fixedly connected with a connecting rod, a slot is arranged in the middle shaft relative to the connecting rod, the connecting rod is inserted in the slot, both sides of one end of the connecting rod far away from the connecting shaft are fixedly connected with the clamping block, one end of the two convex blocks far away from each other is fixedly connected with a first telescopic rod, all cup jointed first spring on the first telescopic link, the side channel has all been seted up to the both sides of slot, the equal fixed connection in the cell wall of side channel of one end that the connecting rod was kept away from to first telescopic link.

Preferably, the stirring mechanism comprises two stirring rods which are fixedly connected to the surfaces of the two sides of the central shaft respectively, a plurality of scraping blades are fixedly connected to one side of the side wall of the stirring rod relative to the pipe pushing jack body, and the scraping blades are in contact with the side wall of the pipe pushing jack body.

Preferably, the input end of the water pump is fixedly connected with a first connecting pipe, one end of the first connecting pipe, which is far away from the water pump, is fixedly connected with a water tank, the water tank is fixedly connected to the top end of the interior of the pipe pushing jack body, the upper end of the adjusting box is fixedly connected with a water delivery pipe, the water delivery pipe penetrates through the top wall of the pipe pushing jack body, the water delivery pipe extends to the working end of the pipe pushing jack body, the middle of the water delivery pipe, which is close to one side of the rotary cutter disc, is fixedly connected with a water diversion pipe, and the water diversion pipe penetrates through the side wall of the pipe pushing jack body and is communicated with the outside.

Preferably, the regulating plate rotates to be connected in the middle part of adjusting the box, the regulating plate is the same with the shape of fixed plate, the regulating plate is equipped with the fan-shaped hole with the both sides homogeneous phase of fixed plate run from opposite directions, the first bevel gear of lower extreme middle part fixedly connected with of regulating plate, one side meshing of first bevel gear is connected with the second bevel gear, one side middle part fixedly connected with side shaft of first bevel gear is kept away from to the second bevel gear, one side of adjusting the box is run through to the side shaft, the side shaft is provided with the sealing washer with the adjusting box junction.

Preferably, the side shaft is located the one end upside fixedly connected with fixed block of adjusting the box, one side fixedly connected with second telescopic link that the fixed block is close to the adjusting the box, the second spring has been cup jointed on the second telescopic link, the one end fixedly connected with inserted block of fixed block is kept away from to the second telescopic link, a plurality of spacing groove has been seted up to the relative inserted block in outer wall periphery of adjusting the box, the inserted block is pegged graft in one of them spacing groove.

Preferably, a through hole is formed in the lower side of the working end of the pipe pushing jack body, a screw rod is arranged in the connecting cylinder, a second motor is fixedly connected to the upper end of the screw rod, the second motor is fixedly connected to the connecting cylinder, the lower end of the connecting cylinder is inserted into the through hole, the lower end of the connecting cylinder is fixedly connected to the inner bottom end of the pipe pushing jack body through a fixing column, a middle rod is fixedly connected to the inner middle of the connecting cylinder, the fan blades are rotatably connected to the middle of the bottom end of the middle rod, and the lower portion of the connecting cylinder is funnel-shaped.

Preferably, the first motor is fixedly connected to the inner top wall of the pipe pushing jack body through a fixing seat, the output end of the first motor is rotatably connected to the inner wall of the pipe pushing jack body through a bearing, a transmission belt is sleeved between the driving wheel and the driven wheel, and the middle shaft is rotatably connected to the working end of the pipe pushing jack body.

The beneficial effects of the utility model include:

1. the utility model discloses be provided with block mechanism, during the cutter of renewal, aim at the guide way with the slider of connecting axle, push away the connecting axle for the lug downside is gone into to the fixture block card of block mechanism, can block the connecting axle earlier, and the cutter can be fixed to the construction bolt again, and the cutter is renewed according to different geology to the convenience.

2. The utility model discloses be provided with rabbling mechanism and raceway, water is from raceway lower extreme and distributive pipe blowout, moistens soil for soil softens, and convenient the tunnelling, the puddler of rabbling mechanism rotates simultaneously, stirs the mixture to water and soil and becomes for mud, reduces the friction of blade disc and soil, and doctor-bar on the puddler can scrape the clearance to the pipe ejection machine surface, avoids water spray department to be blockked up by mud.

3. The utility model discloses be provided with adjustment mechanism and raceway, when needing to pour into different water yield according to different geology, utilize adjustment mechanism's regulating plate and the fan-shaped hole relative movement of fixed plate, can change the water yield that passes through from the fan-shaped hole, when the fan-shaped hole coincidence on regulating plate and the fixed plate, the water yield is the biggest, when the fan-shaped hole complete deviation on regulating plate festival board and the fixed plate, the water yield is minimum.

4. The utility model discloses be provided with buffer gear, when mud was followed buffer gear's unloading pipe ejection of compact, the flabellum rotated along with the transport of mud, and mud received blockking of flabellum, slowed down the speed of mud, and unloading pipe lower extreme is hourglass hopper-shaped simultaneously, diminishes gradually from top to bottom for mud gathers more, conveniently pours into on next step and stores equipment, avoids mud to spout fast and spatter.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

FIG. 1 is a front view of the cutting structure of the present invention;

FIG. 2 is a schematic structural view of the junction between the middle shaft and the connecting shaft of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 4 is a sectional structure diagram of the adjusting box of the present invention;

FIG. 5 is a schematic structural view of the joint of the fixing blocks of the present invention;

FIG. 6 is a schematic structural view of the adjusting plate of the present invention;

fig. 7 is a schematic structural view of the buffer mechanism of the present invention;

fig. 8 is a schematic structural view of the rotary cutter head of the present invention.

In the figure: 1. a push bench body; 2. a first motor; 3. a transmission belt; 4. a driving wheel; 5. a middle shaft; 6. a connecting shaft; 7. a bolt; 8. a guide groove; 9. a slider; 10. a clamping mechanism; 101. a connecting rod; 102. a clamping block; 103. a bump; 104. a first telescopic rod; 105. a first spring; 11. a slot; 12. a side groove; 13. a screw hole; 14. rotating the cutter head; 15. a stirring mechanism; 151. a stirring rod; 152. scraping a blade; 16. a through hole; 17. a connecting cylinder; 18. a screw rod; 19. a second motor; 20. a buffer mechanism; 201. a discharging pipe; 202. a fan blade; 203. a middle rod; 21. a water tank; 22. a first connecting pipe; 23. a water pump; 24. a second connecting pipe; 25. an adjustment mechanism; 251. an adjusting plate; 252. a fixing plate; 253. inserting a block; 254. a first bevel gear; 255. a second bevel gear; 256. a side shaft; 257. a fixed block; 258. a second telescopic rod; 259. a second spring; 26. an adjustment box; 27. a sector hole; 28. a water delivery pipe; 29. a water diversion pipe; 30. a driven wheel.

The specific implementation mode is as follows:

as shown in fig. 1 to 8, the following technical solutions are adopted in the present embodiment: a clay foundation, rock foundation and mixed geology rock breaking push bench comprises a push bench body 1, a first motor 2 is arranged inside the push bench body 1, the output end of the first motor 2 is fixedly connected with a driving wheel 4, one side of the driving wheel 4 is provided with a driven wheel 30, the middle part of the driven wheel 30 is fixedly connected with a center shaft 5, the center shaft 5 penetrates through one end of the push bench body 1 and is detachably connected with a connecting shaft 6, one end, away from the center shaft 5, of the connecting shaft 6 is fixedly connected with a rotary cutter head 14, the output shaft of the first motor 2 rotates to drive the driving wheel 4 and the driven wheel 30 to rotate, so that the rotary cutter head 14 at one end of the center shaft 5 rotates to drill, one end, away from the rotary cutter head 14, of the connecting shaft 6 is provided with a clamping mechanism 10, the clamping mechanism 10 comprises two clamping blocks 102, one ends of the clamping blocks 102 are both provided with a convex block 103 oppositely, when a new cutter is installed, the sliding blocks 9 at both sides of the connecting shaft 6 are aligned with a guide groove 8, the connecting shaft 6 can be pushed in, the convex block 103 is extruded by the fixture block 102 on the connecting rod 101 at one end of the connecting shaft 6, the convex block 103 is put into the side groove 12, the fixture block 102 is clamped at the lower side of the convex block 103, the connecting rod 101 and the connecting shaft 6 can be fixed, the cutter can be fixed by installing the bolt 7, the stirring mechanism 15 is arranged between the rotary cutter disc 14 and the side wall of the push bench body 1, the middle shaft 5 drives the stirring rod 151 to rotate when rotating, water and soil are stirred and mixed into slurry, the connecting cylinder 17 is arranged in the push bench body 1 and below the first motor 2, the bottom side of one end of the connecting cylinder 17 is provided with the buffer mechanism 20, the buffer mechanism 20 comprises a blanking pipe 201, the fan blades 202 are arranged in the blanking pipe 201, when the slurry is discharged from the blanking pipe 201, the fan blades 202 rotate along with the conveying of the slurry, the slurry is blocked by the fan blades 202, the speed of the slurry is reduced, and the lower end of the blanking pipe 201 is funnel-shaped, from top to bottom diminishes gradually, make mud gather more, make things convenient for pour into on next step and store in the equipment, avoid mud to spout fast four times and spatter, the inside top of push bench body 1 is dismantled and is connected with water pump 23, the output fixedly connected with second connecting pipe 24 of water pump 23, one end fixedly connected with adjusting box 26 that water pump 23 was kept away from to second connecting pipe 24, be provided with adjustment mechanism 25 in the adjusting box 26, adjustment mechanism 25 includes fixed plate 252 and regulating plate 251, regulating plate 251 sets up with fixed plate 252 relatively, the sector hole 27 relative movement of regulating plate 251 and fixed plate 252, can change the water yield that passes through from sector hole 27, when the sector hole 27 coincidence on regulating plate 251 and the fixed plate 252, the water yield is the biggest, when sector hole 27 complete skew on regulating plate festival plate 251 and fixed plate 252, the water yield is the minimum.

Wherein, rabbling mechanism 15 includes puddler 151, puddler 151 is provided with two and respectively fixed connection in axis 5's both sides surface, the equal fixedly connected with a plurality of doctor-bar 152 in one side of the relative push bench body 1 lateral wall of puddler 151, doctor-bar 152 all contacts with push bench body 1 lateral wall, puddler 151 rotates, stir the mixture to water and soil and become mud, doctor-bar 152 on the puddler 151 can scrape the clearance to the push bench surface simultaneously, avoid water spray department to be blockked up by mud.

Wherein, the middle part of both sides of the connecting shaft 6 is respectively provided with a screw hole 13, the connecting shaft 6 is inserted in one end of the middle shaft 5, both sides of the middle shaft 5 are respectively connected with a bolt 7 by screw threads, the bolts 7 are respectively connected in the screw holes 13 by screw threads, both sides of the inside of the middle shaft 5 are respectively provided with a guide groove 8, both sides of the connecting shaft 6 are respectively fixedly connected with a slide block 9, the slide blocks 9 are respectively connected in the guide grooves 8 in a sliding way, one end of the connecting shaft 6 far away from the rotary cutter head 14 is fixedly connected with a connecting rod 101, the middle shaft 5 is internally provided with a slot 11 relative to the connecting rod 101, the connecting rod 101 is inserted in the slot 11, both sides of one end of the connecting rod 101 far away from the connecting shaft 6 are respectively fixedly connected with a clamping block 102, one end of the two convex blocks 103 far away from each other is fixedly connected with a first telescopic rod 104, the first spring 105 is respectively sleeved on the first telescopic rod 104, both sides of the slot 11 are respectively provided with a side groove 12, one end of the first telescopic rod 104 far away from the connecting rod 101 is fixedly connected with a groove wall of the side groove 12, when a new cutter is installed, the sliding blocks 9 on two sides of the connecting shaft 6 are aligned to the guide grooves 8, the connecting shaft 6 can be pushed in, the clamping block 102 on the connecting rod 101 at one end of the connecting shaft 6 extrudes the lug 103, the lug 103 is contained in the side groove 12, the clamping block 102 is clamped into the lower side of the lug 103, the connecting rod 101 and the connecting shaft 6 can be fixed, and the cutter can be fixed by installing the bolt 7.

Wherein, the first connecting pipe 22 of input fixedly connected with of water pump 23, the one end fixedly connected with water tank 21 that water pump 23 was kept away from to first connecting pipe 22, water tank 21 fixed connection is on the inside top of pipe pushing jack body 1, the upper end fixedly connected with raceway 28 of adjusting box 26, raceway 28 runs through pipe pushing jack body 1 roof, raceway 28 extends to the work end of pipe pushing jack body 1, middle part fixedly connected with distributive pipe 29 that raceway 28 is close to rotary cutter dish 14 one side, distributive pipe 29 runs through pipe pushing jack body 1 lateral wall and communicates with each other with the outside, when carrying out the tunnelling, water pump 23 can be opened, water pump in water tank 21 goes into raceway 28 to water pump 23, water is spout from raceway 28 lower extreme and distributive pipe 29, wet soil, make soil soften, convenient tunnelling, reduce the friction of rotary cutter dish 14 and soil.

The adjusting plate 251 is rotatably connected to the middle of the adjusting box 26, the adjusting plate 251 and the fixing plate 252 are identical in shape, fan-shaped holes 27 are oppositely formed in two sides of the adjusting plate 251 and two sides of the fixing plate 252, a first bevel gear 254 is fixedly connected to the middle of the lower end of the adjusting plate 251, a second bevel gear 255 is meshed and connected to one side of the first bevel gear 254, a side shaft 256 is fixedly connected to the middle of one side, away from the first bevel gear 254, of the second bevel gear 255, the side shaft 256 penetrates through one side of the adjusting box 26, a sealing ring is arranged at the connection position of the side shaft 256 and the adjusting box 26, the adjusting plate 251 and the fan-shaped holes 27 of the fixing plate 252 move relatively, the quantity of water passing through the fan-shaped holes 27 can be changed, when the adjusting plate 251 and the fan-shaped holes 27 of the fixing plate 252 are overlapped, the quantity of water is the largest, and when the adjusting plate node 251 and the fan-shaped holes 27 of the fixing plate 252 are completely deviated, the quantity of water is the smallest.

Wherein, side shaft 256 is located the one end upside fixedly connected with fixed block 257 of adjusting box 26, fixed block 257 is close to one side fixedly connected with second telescopic link 258 of adjusting box 26, second spring 259 has been cup jointed on the second telescopic link 258, the one end fixedly connected with inserted block 253 of fixed block 257 is kept away from to second telescopic link 258, a plurality of spacing groove has been seted up to the relative inserted block 253 of outer wall border of adjusting box 26, inserted block 253 pegs graft in one of them spacing groove, insert the inserted block 253 in the spacing groove, can fix side shaft 256, avoid adjusting plate 251 to rotate.

Wherein, first motor 2 passes through fixing base fixed connection in the inside roof of pipe pushing jack body 1, and the output of first motor 2 passes through the bearing and rotates to be connected in the inner wall of pipe pushing jack body 1, has cup jointed drive belt 3 between action wheel 4 and the follow driving wheel 30, and axis 5 rotates to be connected in the work end of pipe pushing jack body 1, and the output shaft of first motor 2 rotates and drives action wheel 4 and follow driving wheel 30 and rotate for the commentaries on classics blade disc 14 of axis 5 one end rotates and bores and dig soil.

Wherein, through-hole 16 has been seted up to push bench body 1's work end downside, be provided with hob 18 in the connecting cylinder 17, the upper end fixedly connected with second motor 19 of

hob

18, 19 fixed connection of second motor are in connecting cylinder 17, connecting cylinder 17 lower extreme is pegged graft in through-hole 16, connecting cylinder 17 lower extreme passes through fixed column fixed connection in push bench body 1's inside bottom, the inside middle part fixedly connected with king-rod 203 of connecting cylinder 17, flabellum 202 rotates the bottom middle part of connecting in king-rod 203, connecting cylinder 17 lower part is for leaking hopper-shaped, when mud is followed the ejection of compact of unloading pipe 201, flabellum 202 rotates along with the transport of mud, mud receives stopping of flabellum 202, slow down the speed of mud, unloading pipe 201 lower extreme is hourglass hopper-shaped simultaneously, from top to bottom diminish gradually, make mud gather more, make things convenient for pour into on next step and store in the equipment, avoid mud to spout four spatters fast.

Specifically, the method comprises the following steps: a clay foundation, rock foundation and mixed geology rock breaking push bench is characterized in that when the clay foundation, rock foundation and mixed geology rock breaking push bench is used, a first motor 2 and a second motor 19 are turned on, an output shaft of the first motor 2 rotates to drive a driving wheel 4 and a driven wheel 30 to rotate, a rotary cutter head 14 at one end of a middle shaft 5 rotates to drill soil, when the soil is drilled, a water pump 23 can be turned on, the water pump 23 pumps water in a water tank 21 into a water delivery pipe 28, water is sprayed out from the lower end of the water delivery pipe 28 and a water distribution pipe 29 to moisten the soil, the soil is softened, the tunneling is convenient, the friction between the rotary cutter head 14 and the soil is reduced, meanwhile, when the middle shaft 5 rotates, a stirring rod 151 is driven to rotate to stir and mix the water and the soil into slurry, a scraping piece 152 on the stirring rod 151 can scrape and clean the surface of the push bench simultaneously to avoid the water spraying position from being blocked by the slurry, the second motor 19 drives a screw rod 18 to rotate, the slurry is conveyed into a connecting cylinder 17 from a through hole 16 by the screw rod 18, when the slurry is discharged from the discharging pipe 201, the fan blades 202 rotate along with the conveying of the slurry, the slurry is blocked by the fan blades 202, the speed of the slurry is reduced, and meanwhile, the lower end of the discharging pipe 201 is funnel-shaped and gradually reduced from top to bottom, so that the slurry is more gathered, the slurry is conveniently injected into storage equipment in the next step, and the slurry is prevented from being quickly sprayed out and splashed;

when different rotary cutter heads 14 need to be replaced according to different geology, firstly, the bolt 7 is detached through a tool, then the connecting shaft 6 is pulled, the clamping blocks 102 on the connecting shaft 101 extrude the convex blocks 103, the first spring 105 and the first telescopic rod 104 are extruded, the convex blocks 103 are accommodated in the side grooves 12, the connecting shaft 101 can be pulled out, when a new cutter is installed, the sliding blocks 9 on two sides of the connecting shaft 6 are aligned to the guide grooves 8, the connecting shaft 6 can be pushed in, the clamping blocks 102 on the connecting shaft 101 at one end of the connecting shaft 6 extrude the convex blocks 103, the convex blocks 103 are accommodated in the side grooves 12, the clamping blocks 102 are clamped at the lower sides of the convex blocks 103, the connecting shaft 101 and the connecting shaft 6 can be fixed, and the bolt 7 is installed, so that the cutter can be fixed;

when different water quantities are required to be injected according to different geology, the inserting block 253 is pulled to enable the second spring 259 to contract, the inserting block 253 can be released from fixing, the fixing block 257 is rotated to drive the side shaft 256 to rotate, the second bevel gear 255 and the first bevel gear 254 rotate to drive the adjusting plate 251 to rotate, the adjusting plate 251 and the fan-shaped hole 27 of the fixing plate 252 move relatively, the water quantity passing through the fan-shaped hole 27 can be changed, when the adjusting plate 251 and the fan-shaped hole 27 on the fixing plate 252 are overlapped, the water quantity is the largest, when the adjusting plate node plate 251 and the fan-shaped hole 27 on the fixing plate 252 completely deviate, the water quantity is the smallest, after adjustment is completed, the inserting block 253 is inserted into the limiting groove, the side shaft 256 can be fixed, and the adjusting plate 251 is prevented from rotating.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, which are only illustrative, but also various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the present invention as claimed, which is defined by the appended claims and their equivalents.

Claims

1. The clay-based rock-breaking push bench for the clay foundation, the rock foundation and the mixed geology is characterized by comprising a push bench body (1), wherein a first motor (2) is arranged inside the push bench body (1), an output end of the first motor (2) is fixedly connected with a driving wheel (4), one side of the driving wheel (4) is provided with a driven wheel (30), the middle part of the driven wheel (30) is fixedly connected with a middle shaft (5), the middle shaft (5) penetrates through one end of the push bench body (1) and is detachably connected with a connecting shaft (6), one end, far away from the middle shaft (5), of the connecting shaft (6) is fixedly connected with a rotary cutter head (14), one end, far away from the rotary cutter head (14), of the connecting shaft (6) is provided with a clamping mechanism (10), the clamping mechanism (10) comprises two clamping blocks (102), one end of each clamping block (102) is relatively provided with a convex block (103), a stirring mechanism (15) is arranged between the rotary cutter head (14) and the side wall of the push bench body (1), a connecting cylinder (17) is arranged in the push bench body (1) and below the first motor (2), a buffer mechanism (20) is arranged at the bottom side of one end of the connecting cylinder (17), the buffer mechanism (20) comprises a blanking pipe (201), the inside of the blanking pipe (201) is provided with fan blades (202), the top end inside the push bench body (1) is detachably connected with a water pump (23), the output end of the water pump (23) is fixedly connected with a second connecting pipe (24), one end of the second connecting pipe (24) far away from the water pump (23) is fixedly connected with an adjusting box (26), an adjusting mechanism (25) is arranged in the adjusting box (26), the adjusting mechanism (25) comprises a fixing plate (252) and an adjusting plate (251), and the adjusting plate (251) is arranged opposite to the fixing plate (252).

2. The clay-based, rock-based and mixed-geology rock-breaking pipe-jacking machine of claim 1, characterized in that: the middle parts of two sides of the connecting shaft (6) are respectively provided with a screw hole (13), the connecting shaft (6) is inserted into one end of the middle shaft (5), two sides of the middle shaft (5) are respectively in threaded connection with a bolt (7), the bolts (7) are respectively in threaded connection with the screw holes (13), two sides of the inner part of the middle shaft (5) are respectively provided with a guide groove (8), two sides of the connecting shaft (6) are respectively and fixedly connected with a slide block (9), the slide blocks (9) are respectively in sliding connection with the guide grooves (8), one end of the connecting shaft (6) far away from the rotary cutter head (14) is fixedly connected with a connecting rod (101), a slot (11) is formed in the middle shaft (5) opposite to the connecting rod (101), the connecting rod (101) is inserted into the slot (11), and two sides of one end of the connecting rod (101) far away from the connecting shaft (6) are respectively and fixedly connected with a clamping block (102), two one end fixedly connected with first telescopic link (104) that lug (103) kept away from each other, first spring (105) have all been cup jointed on first telescopic link (104), side channel (12) have all been seted up to the both sides of slot (11), the equal fixed connection in the cell wall of side channel (12) of one end that connecting rod (101) were kept away from in first telescopic link (104).

3. The clay-based, rock-based and mixed-geology rock-breaking pipe-jacking machine of claim 1, characterized in that: stirring mechanism (15) include puddler (151), puddler (151) are provided with two and respectively fixed connection in the both sides surface of axis (5), equal fixedly connected with a plurality of doctor-bar (152) in one side of the relative pipe push bench body (1) lateral wall of puddler (151), doctor-bar (152) all contacts with pipe push bench body (1) lateral wall.

4. The clay-based, rock-based and mixed-geology rock-breaking pipe-jacking machine of claim 1, characterized in that: the utility model discloses a push bench, including input fixedly connected with first connecting pipe (22) of water pump (23), one end fixedly connected with water tank (21) of water pump (23) are kept away from in first connecting pipe (22), water tank (21) fixed connection is on the inside top of push bench body (1), the upper end fixedly connected with raceway (28) of adjusting box (26), raceway (28) run through push bench body (1) roof, raceway (28) extend to the work end of push bench body (1), middle part fixedly connected with distributive pipe (29) that raceway (28) are close to carousel dish (14) one side, distributive pipe (29) run through push bench body (1) lateral wall and outside and communicate with each other.

5. The clay-based, rock-based and mixed-geology rock-breaking pipe-jacking machine of claim 1, characterized in that: the adjusting plate (251) is rotatably connected to the middle of the adjusting box (26), the adjusting plate (251) is identical to the fixing plate (252) in shape, fan-shaped holes (27) are formed in the two sides of the adjusting plate (251) and the fixing plate (252) in a split mode, a first bevel gear (254) is fixedly connected to the middle of the lower end of the adjusting plate (251), a second bevel gear (255) is meshed with one side of the first bevel gear (254), a side shaft (256) is fixedly connected to the middle of one side, far away from the first bevel gear (254), of the second bevel gear (255), the side shaft (256) penetrates through one side of the adjusting box (26), and a sealing ring is arranged at the connection position of the side shaft (256) and the adjusting box (26).

6. The clay-based, rock-based and mixed-geology rock-breaking pipe-jacking machine of claim 5, characterized in that: the side shaft (256) is located one end upside fixedly connected with fixed block (257) of adjusting box (26), one side fixedly connected with second telescopic link (258) that fixed block (257) is close to adjusting box (26), second spring (259) has been cup jointed on second telescopic link (258), one end fixedly connected with inserted block (253) of fixed block (257) are kept away from to second telescopic link (258), a plurality of spacing groove has been seted up to the relative inserted block (253) of outer wall border of adjusting box (26), inserted block (253) is pegged graft in one of them spacing groove.

7. The clay-based, rock-based and mixed-geology rock-breaking pipe-jacking machine of claim 1, characterized in that: through-hole (16) have been seted up to the working end downside of push bench body (1), be provided with hob (18) in connecting cylinder (17), upper end fixedly connected with second motor (19) of hob (18), second motor (19) fixed connection is in connecting cylinder (17), connecting cylinder (17) lower extreme is pegged graft in through-hole (16), connecting cylinder (17) lower extreme passes through fixed column fixed connection in the inside bottom of push bench body (1), the inside middle part fixedly connected with king-rod (203) of connecting cylinder (17), flabellum (202) rotate to be connected in the bottom middle part of king-rod (203), connecting cylinder (17) lower part is for leaking hopper-shaped.

8. The clay-based, rock-based and mixed-geology rock-breaking pipe-jacking machine of claim 1, characterized in that: the automatic pipe jacking device is characterized in that the first motor (2) is fixedly connected to the inner top wall of the pipe jacking machine body (1) through a fixed seat, the output end of the first motor (2) is rotatably connected to the inner wall of the pipe jacking machine body (1) through a bearing, a driving wheel (4) and a driven wheel (30) are sleeved with a driving belt (3), and the middle shaft (5) is rotatably connected to the working end of the pipe jacking machine body (1).