CN211256962U

CN211256962U - Double-shaft stirring pile machine

Info

Publication number: CN211256962U
Application number: CN201921545821.8U
Authority: CN
Inventors: 黄冰; 梁尚华; 谭振烽; 柯方智; 李臻群; 焉宇
Original assignee: Guangzhou Engineering Contractor Group Co Ltd
Current assignee: Guangzhou Engineering Contractor Group Co Ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-08-14
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a biax stirring stake machine, including grudging post and chassis, the grudging post is fixed in the upper end of mobilizable chassis, and the lower extreme of chassis is provided with the track that can splice and lay, and the right side of grudging post is provided with the actuating mechanism of liftable, and actuating mechanism's fixed two mutual antiport's puddler that is provided with. The drill bit that the tip set up through the puddler realizes breaking closely knit sand layer into to the quick drilling of closely knit sand layer, then carries out the breakage to closely knit sand layer through the alloy sword that sets up, then broken soil upwards carries and stirs the ability and the wearability of the great improvement puddler of creeping into in closely knit sand layer under the effect of stirring leaf through the spiral area to order about the puddler through the feed mechanism that sets up and the cooperation of rack bar and compress tightly downwards and remove the drilling rate of great improvement puddler in closely knit sand layer.

Description

Double-shaft stirring pile machine

Technical Field

The utility model relates to a stirring stake machine technical field specifically is a biax stirring stake machine.

Background

The cement mixing pile is an effective form of soft foundation treatment, and is characterized by that it uses cement as main agent of solidifying agent, and utilizes mixing pile machine to spray cement into soil body and fully mix them so as to make cement and soil produce a series of physical and chemical reactions, and make the soft soil be hardened and raise foundation strength. The cement mixing pile is divided into a single-shaft mixing pile, a double-shaft mixing pile and a three-shaft mixing pile according to the construction method mainly used, and the double-shaft mixing pile machine is one of the cement mixing piles.

The utility model discloses an applicant finds that present deep mixing pile construction is mainly applicable to ground such as silt, mucky soil, silt and the higher and ground bearing capacity standard value of water content is not more than 120kPa cohesive soil. In the construction process, when the deep mixing pile machine encounters a hard stratum, the drilling speed is only 1-5 mm/min, and particularly, when the deep mixing pile machine drills in a compact sand layer, the drilling speed is lower, so that the treatment efficiency of the cement mixing pile is reduced, and the wear to a mixing rod is serious during drilling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biax stirring stake machine aims at improving the problem that the drilling rate of current stirring stake machine in closely knit sand bed is low and the puddler easily wears and torn.

The utility model discloses a realize like this:

a double-shaft mixing pile machine comprises a vertical frame and a bottom frame, wherein the vertical frame is fixed at the upper end of a movable bottom frame, a track capable of being spliced and laid is arranged at the lower end of the bottom frame, a lifting driving mechanism is arranged on the right side of the vertical frame, two mixing rods which rotate in opposite directions are fixedly arranged on the driving mechanism, each mixing rod comprises a hollow transmission rod, mixing blades which are spirally arranged are arranged on the outer side surface of each transmission rod, a spiral belt is arranged on the outer side surface of each transmission rod and is positioned below the mixing blades, an alloy cutter is arranged below the spiral belt, a drill bit is arranged at the lower end part of each transmission rod, a guide rail for guiding the driving mechanism in a lifting mode is arranged in the middle part of the right side of the vertical frame, vertical rack rods are arranged at positions, close to the front end and the rear end, feeding mechanisms matched with the rack rods are arranged at the front end and the rear end of each driving mechanism, the drill bit, then carry out the breakage to closely knit sand layer through the alloy sword that sets up, then broken soil upwards carries and stirs the ability and the wearability of the drilling of great improvement puddler in closely knit sand layer under the effect of stirring leaf through the spiral band to the cooperation through the feed mechanism that sets up and rack bar orders about the puddler and compresses tightly downwards and remove the drilling rate of great improvement puddler in closely knit sand layer.

Furthermore, actuating mechanism includes the gear box, and the position that two transfer lines upper ends passed the gear box and were located the inboard of gear box is equipped with two driven gears that mesh mutually respectively, and one of them driven gear meshing has the driving gear, and the upper end that the upper end of the central pivot of driving gear passed the gear box is connected with the output shaft of first motor, and the one end of gear box is provided with and guide rail complex guide slot, drives driven gear through first motor drive driving gear and rotates the rotation that realizes driving the puddler.

Furthermore, a material distributing box connected with the transmission rod is arranged at the upper end of the gear box, a material conveying pipe is connected to the upper end of the material distributing box, one end of the material conveying pipe bypasses the jacket and falls downwards, and cement paste is conveyed into the material distributing box through the material conveying pipe and then is sprayed into a soil layer through the hollow transmission rod.

Furthermore, the feeding mechanism comprises a speed reducer which is fixed on the gear box, a toothed column meshed with the rack rod is fixedly arranged on an output shaft of the speed reducer, an input shaft of the speed reducer is fixedly connected with an output shaft of the second motor, and the toothed column on the speed reducer is driven to rotate by the second motor and is matched with the rack on the rack rod to move.

Furthermore, the circumferential surface of the drill bit is provided with convex cutting edges, a discharge port is formed between every two adjacent cutting edges, soil breaking is achieved through the cutting edges, and cement paste is sprayed into a soil layer through the discharge port.

Further, the right side of chassis is close to front and back end position and all is provided with the landing leg, and the chassis lower extreme is located four end angle departments and all is provided with the gyro wheel, and four end angle departments of chassis all are provided with the lift landing leg that extends to the outside. And the lower extreme of lift landing leg is provided with first backing plate, realizes the removal on the track of stirring stake machine through the gyro wheel that sets up to realize the stable support to stirring stake machine through the lift landing leg that sets up and first backing plate.

Further, the track is including two fore-and-aft vertical poles that parallel set up, be close to both ends position between two vertical poles and all pass through horizontal pole fixed connection, the equal vertical accommodate the lead screw that alternates in both ends position that is close to of horizontal pole, and accommodate the lead screw's lower extreme is fixed and is provided with the second backing plate, the one end of vertical pole is provided with bellied plug, and the other end of vertical pole be provided with plug complex socket, the track realizes two orbital concatenations through the cooperation of the plug that sets up and socket, and realize orbital horizontal adjustment through revolving the accommodate the lead screw.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in the drill bit of tip setting through the puddler realize breaking closely knit sand layer into to the quick drilling of closely knit sand layer, then carry out the breakage to closely knit sand layer through the alloy sword that sets up, then broken soil upwards carries through the helical band and stirs the ability and the wearability of the drilling of great improvement puddler in closely knit sand layer under the effect of stirring leaf, and order about the puddler through the feed mechanism who sets up and the cooperation of rack bar and compress tightly downwards and remove the drilling rate of great improvement puddler in closely knit sand layer.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a front view of a dual-shaft mixing pile machine of the present invention;

FIG. 2 is a perspective view of a dual-shaft mixing pile machine of the present invention;

FIG. 3 is a schematic view of a vertical frame of a double-shaft mixing pile machine according to the present invention;

fig. 4 is a schematic view of a driving mechanism of a double-shaft mixing pile machine according to the present invention;

FIG. 5 is a schematic view of a gear box of a dual-shaft mixing pile machine according to the present invention;

fig. 6 is a schematic diagram of a mixing rod of a double-shaft mixing pile machine according to the present invention;

FIG. 7 is a partially enlarged view of a dual-shaft mixing pile machine according to the present invention;

fig. 8 is a schematic view of the bottom frame of a double-shaft mixing pile machine according to the present invention;

fig. 9 is a schematic diagram of a track of a double-shaft mixing pile machine of the present invention.

In the figure: 1. erecting a frame; 2. a delivery pipe; 3. a jacket; 4. a drive mechanism; 41. A material distributing box; 42. a gear box; 421. a driven gear; 422. a driving gear; 43. A guide groove; 44. a feed mechanism; 5. a rack bar; 6. a stirring rod; 61. a transmission rod; 62. stirring blades; 63. a helical band; 64. an alloy knife; 65. a drill bit; 651. a discharge port; 652. a blade; 7. a chassis; 71. a support leg; 72. lifting support legs; 73. a roller; 74. a first backing plate; 8. a track; 81. a longitudinal bar; 82. a plug; 83. a socket; 84. a cross bar; 85. adjusting the screw rod; 86. a second backing plate; 9. a guide rail.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment 1, specifically refer to fig. 1, 2, 3, 4, 6, and 7, and a double-shaft mixing pile machine includes a vertical frame 1 and a bottom frame 7, the vertical frame 1 is fixed on the upper end of the movable bottom frame 7, the lower end of the bottom frame 7 is provided with a track 8 capable of being tiled and laid, the right side of the vertical frame 1 is provided with a liftable driving mechanism 4, the driving mechanism 4 is fixedly provided with two mixing rods 6 rotating in opposite directions, the mixing rods 6 include a hollow driving rod 61, the outer side surface of the driving rod 61 is provided with mixing blades 62 arranged in a spiral shape, the outer side surface of the driving rod 61 is provided with a spiral belt 63 below the mixing blades 62, an alloy knife 64 is provided below the spiral belt 63, the lower end of the driving rod 61 is provided with a drill 65, the right middle part of the vertical frame 1 is provided with a guide rail 9 for guiding the driving mechanism 4 to move up and down, and the right side of the vertical frame 1 is provided with vertical rack rods 5 near the, both ends all are provided with feed mechanism 44 with rack 5 matched with around actuating mechanism 4, the drill bit 65 that sets up through the tip of puddler 6 realizes breaking open closely knit sand layer's quick drilling into closely knit sand layer, then alloy sword 64 through setting up is broken closely knit sand layer, then broken soil upwards carries through spiral belt 63 and stirs the ability and the wearability of the drilling of great improvement puddler 6 in closely knit sand layer under the effect of stirring leaf 62, and order about puddler 6 through feed mechanism 44 that sets up and rack 5's cooperation and compress tightly downwards and remove the drilling rate of great improvement puddler 6 in closely knit sand layer.

Specifically, referring to fig. 5, the driving mechanism 4 includes a gear box 42, two driven gears 421 are respectively sleeved on the upper ends of the two transmission rods 61, which pass through the gear box 42 and are located inside the gear box 42, one of the driven gears 421 is engaged with a driving gear 422, the upper end of the central rotating shaft of the driving gear 422 passes through the upper end of the gear box 42 and is connected with the output shaft of the first motor, one end of the gear box 42 is provided with a guide groove 43 matched with the guide rail 9, and the driving gear 422 is driven by the first motor to drive the driven gear 421 to rotate so as to drive the stirring rod 6 to rotate.

Referring to fig. 2 and 4, a material distributing box 41 connected with a transmission rod 61 is arranged at the upper end of the gear box 42, a material conveying pipe 2 is connected to the upper end of the material distributing box 41, one end of the material conveying pipe 2 bypasses the jacket 3 to hang down, and cement slurry is conveyed into the material distributing box 41 through the material conveying pipe 2 and then sprayed into the soil layer through the hollow transmission rod 61.

Specifically referring to fig. 2 and 4, the feeding mechanism 44 includes a speed reducer fixed on the gear box 42, a tooth post engaged with the rack bar 5 is fixedly disposed on an output shaft of the speed reducer, an input shaft of the speed reducer is fixedly connected to an output shaft of the second motor, and the second motor drives the speed reducer to rotate the tooth post on the speed reducer and to move in cooperation with the rack on the rack bar 5.

Specifically, referring to fig. 7, the circumferential surfaces of the drill bits 65 are provided with convex blades 652, and discharge ports 651 are disposed between two adjacent blades 652, so that the blades 652 can break the soil and the cement paste can be sprayed into the soil layer through the discharge ports 651.

Specifically, referring to fig. 8, the right side of the bottom frame 7 is provided with support legs 71 near the front and rear ends, the lower end of the bottom frame 7 is provided with rollers 73 at four corners, and the four corners of the bottom frame 7 are provided with lifting support legs 72 extending outward. And the lower extreme of lift landing leg 72 is provided with first backing plate 74, realizes the removal of stirring stake machine on track 8 through the gyro wheel 73 that sets up to realize the stable support to stirring stake machine through the lift landing leg 72 and the first backing plate 74 that set up.

Specifically, referring to fig. 9, the rail 8 includes two front and rear vertical rods 81 arranged in parallel, two ends of the two vertical rods 81 near each other are fixedly connected by a cross rod 84, two ends of the cross rod 84 near each other are vertically inserted with an adjusting screw 85, a second backing plate 86 is fixedly arranged at the lower end of the adjusting screw 85, one end of the vertical rod 81 is provided with a convex plug 82, the other end of the vertical rod 81 is provided with a socket 83 matched with the plug 82, the rail 8 is spliced by matching the plug 82 and the socket 83, and horizontal adjustment of the rail 8 is achieved by screwing the adjusting screw 85.

The working principle is as follows: a rail 8 is inserted into a socket 83 at the end part of a longitudinal rod 81 on another rail 8 through a plug 82 on the longitudinal rod 81, then the rail 8 is horizontally adjusted by screwing an adjusting screw rod 85 on the rail 8, a stirring machine is clamped on the longitudinal rod 81 on the rail 8 through a roller 73 on a base frame 7, then the stirring pile machine is moved to a position needing to work, then a first backing plate 74 is supported on the ground to realize position fixing by controlling extension of a lifting support leg 72 on the base frame 7, the stirring rod 6 is driven to rotate by controlling a driving gear 422 driven by a first motor to realize rotary pile driving and stirring, soil is broken downwards through a drill bit 65, then the broken soil is broken through an alloy knife 64, the broken soil is stirred upwards under the action of a stirring blade 62 through a helical blade belt 63, and a speed reducer is driven to rotate through a second motor, the toothed column on the output shaft of the speed reducer drives the speed reducer to move downwards through meshing with the rack rod 5 so as to drive the driving mechanism 4 to move downwards and apply force to the stirring rod 6 to drive the stirring rod to feed downwards.

The device obtained by the design can basically meet the requirements of high drilling speed and difficult abrasion of the stirring rod of the existing stirring pile machine in a compact sand layer, but the designer further improves the device according to the aim of further improving the functions of the stirring pile machine.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a biax stirring stake machine, includes grudging post (1) and chassis (7), its characterized in that: the vertical frame (1) is fixed at the upper end of a movable chassis (7), a track (8) capable of being spliced and laid is arranged at the lower end of the chassis (7), a liftable driving mechanism (4) is arranged on the right side of the vertical frame (1), two stirring rods (6) which rotate in opposite directions are fixedly arranged on the driving mechanism (4), each stirring rod (6) comprises a hollow transmission rod (61), stirring blades (62) which are arranged spirally are arranged on the outer side surface of each transmission rod (61), a spiral belt (63) is arranged on the outer side surface of each transmission rod (61) below the corresponding stirring blade (62), an alloy cutter (64) is arranged below the spiral belt (63), a drill bit (65) is arranged at the lower end of each transmission rod (61), and a guide rail (9) which guides the driving mechanism (4) to ascend and descend is arranged in the middle position of the right side of the vertical frame (1), and the right side of the vertical frame (1) is provided with vertical rack rods (5) at the positions close to the front end and the rear end, and the front end and the rear end of the driving mechanism (4) are provided with feeding mechanisms (44) matched with the rack rods (5).

2. The double-shaft mixing pile machine according to claim 1, wherein the driving mechanism (4) comprises a gear box (42), two driving rods (61) are sleeved with two driven gears (421) which are meshed with each other at positions where the upper ends of the driving rods penetrate through the gear box (42) and are located on the inner side of the gear box (42), one driven gear (421) is meshed with a driving gear (422), the upper end of a central rotating shaft of the driving gear (422) penetrates through the upper end of the gear box (42) to be connected with an output shaft of a first motor, and one end of the gear box (42) is provided with a guide groove (43) matched with the guide rail (9).

3. The twin-shaft mixing pile machine as claimed in claim 2, wherein the gear box (42) is provided at its upper end with a material distributing box (41) connected to the transmission rod (61), and the material conveying pipe (2) is connected to the upper end of the material distributing box (41), and one end of the material conveying pipe (2) is dropped downward by bypassing the guide pipe frame (3).

4. A twin-shaft mixing pile machine according to claim 3, characterised in that the feed mechanism (44) comprises a reduction gear which is fixed on a gear box (42), a toothed column which is engaged with the rack bar (5) is fixedly arranged on the output shaft of the reduction gear, and the input shaft of the reduction gear is fixedly connected with the output shaft of the second motor.

5. The biaxial mixing pile machine as recited in claim 4, wherein the drill bits (65) are provided with raised blades (652) on the circumferential surfaces thereof, and discharge ports (651) are provided between two adjacent blades (652).

6. The double-shaft mixing pile machine as recited in claim 5, wherein the right side of the bottom frame (7) is provided with legs (71) near the front and rear ends, and the lower end of the bottom frame (7) is provided with rollers (73) at the four corners, and the four corners of the bottom frame (7) are provided with lifting legs (72) extending outward, and the lower ends of the lifting legs (72) are provided with first backing plates (74).

7. The double-shaft mixing pile machine as claimed in claim 6, wherein the track (8) comprises two front and rear vertical rods (81) arranged in parallel, the two vertical rods (81) are fixedly connected with each other through a cross rod (84) near both ends, the cross rod (84) is vertically inserted into the adjusting screw rod (85) near both ends, the lower end of the adjusting screw rod (85) is fixedly provided with a second backing plate (86), one end of each vertical rod (81) is provided with a raised plug (82), and the other end of each vertical rod (81) is provided with a socket (83) matched with the plug (82).