CN218027695U

CN218027695U - Grouting device for high-speed rail pile foundation construction

Info

Publication number: CN218027695U
Application number: CN202221809156.0U
Authority: CN
Inventors: 杨凯军; 赵炎; 刘嘉东
Original assignee: China Construction Civil Engineering Co Ltd
Current assignee: China Construction Civil Engineering Co Ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-12-13
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a cementer is used in construction of high-speed railway pile foundation, include: the lifting plate is positioned at the upper end of the supporting seat, a lifting adjusting mechanism for adjusting the height of the lifting plate is arranged between the supporting seat and the lifting plate, the lifting plate is fixedly connected with a grouting box positioned on one side of the supporting seat, and the bottom wall of the grouting box is of a funnel-shaped structure; the utility model discloses can carry the concrete that the ground pump comes down and go up to the slip casting incasement through feeding mechanism, the concrete of rethread rotatory third auger leaf messenger slip casting incasement is carried to the high-speed railway pile foundation from telescopic row material hose's lower port, and can freely control the horizontal migration of port under the telescopic row material hose through horizontal displacement mechanism, thereby make telescopic row material hose can be to pouring concrete in the high-speed railway pile foundation uniformly, pile up the problem together when avoiding concrete placement, thereby avoid accumulational concrete to pile up the inhomogeneous problem when leading to pouring after piling up.

Description

Grouting device for high-speed rail pile foundation construction

Technical Field

The utility model belongs to the technical field of high-speed railway pile foundation construction, especially, relate to a cementer for high-speed railway pile foundation construction.

Background

When a high-speed rail is produced, a high-speed rail needs to be extended to the upper part of the ground, namely a pile foundation needs to be installed, the pile foundation is a deep foundation consisting of a pile and a pile cap (short for a cap) connected with the pile top or a single pile foundation connected with the pile foundation through a column, when the high-speed rail pile foundation is produced, a high-speed rail pile foundation shape is spliced by using a baffle plate and steel, concrete is filled downwards from the upper part of the high-speed rail pile foundation, and in order to increase the grouting effect, a grouting device for high-speed rail pile foundation construction is developed.

In the existing grouting device for high-speed rail pile foundation construction, the grouting device utilizes a ground pump pipeline to enable concrete to continuously pour the high-speed rail pile foundation.

However, fixed mounting is directly over the high-speed railway pile base during the pipeline of ground pump, when the pipeline is pour the concrete, the position of pipeline can't be removed, the pipeline can last to be carried out the work of pouring continuously to the internal fixation's of high-speed railway pile base position to make the concrete pile up same position in the high-speed railway pile foundation, it is inhomogeneous to lead to the thick liquids to appear in the inside of high-speed railway pile base after the high-speed railway pile base is pour to fill, later stage needs a large amount of manual works and material resources to shakeout and vibrate inhomogeneous concrete repeatedly to filling.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cementer is used in high-speed railway pile foundation construction to solve fixed ground pump line and last concreting to same position in the high-speed railway pile foundation, thereby lead to the concrete to fill inhomogeneous technical problem.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a cementer is used in high-speed railway pile foundation construction, its includes supporting seat and lifter plate, the lifter plate is located the supporting seat upper end, be equipped with the lift adjustment mechanism who adjusts the lifter plate height between supporting seat and the lifter plate, lifter plate fixedly connected with is located the slip casting case of supporting seat one side, slip casting incasement wall sets up to funnel shaped structure, the fixed intercommunication in slip casting case lower extreme middle part has the telescopic row that is located funnel shaped structure bottom to expect the hose, slip casting incasement portion is equipped with the third auger leaf that is located telescopic row material hose upper port, the axis of rotation of third auger leaf extends to slip casting case upper end and is connected with and is used for driving third auger leaf pivoted third motor, third motor and slip casting case fixed connection.

The bottom wall of the grouting box is provided with a horizontal displacement mechanism for adjusting the position of the lower port of the movable pipe sleeve, and a feeding mechanism is arranged between the grouting box and the supporting seat.

The utility model adopts the above be used for high-speed railway pile foundation construction to use cementer, it is further: the lifting adjusting mechanism comprises a lifting portal frame, the lifting portal frame is connected with the upper end of a supporting seat in a sliding mode, the inner side of the lifting portal frame is connected with a lifting plate in a sliding mode, the lifting portal frame is in threaded connection with a first lead screw, the upper end of the first lead screw is connected with the supporting seat in a rotating mode, the lower end of the first lead screw is connected with a first motor used for driving the first lead screw to rotate, the first motor is fixedly connected with the supporting seat, the bottom of the inner side of the lifting portal frame is fixedly connected with a fixing plate, a second lead screw is connected between the fixing plate and the top end of the lifting portal frame in a rotating mode, the second lead screw is connected with the lifting plate in a threaded mode, the lower end of the second lead screw is connected with a second motor used for driving the second lead screw to rotate, and the second motor is fixedly connected with the fixing plate.

The utility model adopts the above be used for high-speed railway pile foundation construction to use cementer, it is further: horizontal displacement mechanism includes the end frame, sliding connection has rectangular frame in the left and right sides orientation bottom of the end frame, rectangular frame threaded connection has the third lead screw, the third lead screw rotates with the end frame to be connected, third lead screw one end is connected with and is used for driving third lead screw pivoted fourth motor, fourth motor and end frame fixed connection, rectangular frame sliding connection has the removal pipe box in the front and back direction, the lower tip of telescopic row material hose outer wall is located to removal pipe box cover, it has the fourth lead screw to remove pipe box threaded connection, the fourth lead screw rotates with rectangular frame to be connected, fourth lead screw one end is connected with and is used for driving fourth lead screw pivoted fifth motor, fifth motor and rectangular frame fixed connection.

The utility model adopts the above be used for high-speed railway pile foundation construction to use cementer, further: and sliding grooves are symmetrically formed in two sides of the movable pipe sleeve, and the two sliding grooves are respectively in sliding connection with beams on two sides of the rectangular frame.

The utility model adopts the above be used for high-speed railway pile foundation construction to use cementer, it is further: l type conveyer pipe and lower L type conveyer pipe on the feeding mechanism, it is located one side upper end that the slip casting case was kept away from to the supporting seat to go up L type conveyer pipe, the last port of going up L type conveyer pipe and the fixed intercommunication of slip casting case, be equipped with flexible pipe down between the port on the L type conveyer pipe and the last L type conveyer pipe, one side lower extreme fixed connection of slip casting case is kept away from to L type conveyer pipe and supporting seat down.

The utility model adopts the above be used for high-speed railway pile foundation construction to use cementer, further: go up L type conveyer pipe inside and rotate and be connected with first hank dragon leaf, the axis of rotation of first hank dragon leaf extends to supreme L type conveyer pipe upper end and is connected with and is used for driving first hank dragon leaf pivoted sixth motor, sixth motor and last L type conveyer pipe upper end fixed connection.

The utility model adopts the above be used for high-speed railway pile foundation construction to use cementer, it is further: the telescopic pipe comprises an outer pipe and an inner pipe, the upper end opening of the outer pipe is fixedly communicated with the lower end opening of the upper L-shaped conveying pipe, the lower end opening of the outer pipe is connected with the upper end opening of the inner pipe in a sliding mode, and the lower end opening of the inner pipe is fixedly communicated with the upper end opening of the lower L-shaped conveying pipe.

The utility model adopts the above be used for high-speed railway pile foundation construction to use cementer, further: the inside rotation of L type conveyer pipe is connected with second auger leaf down, the axis of rotation of second auger leaf extends to L type conveyer pipe lower extreme down and is connected with and is used for driving second auger leaf pivoted seventh motor, seventh motor and lower L type conveyer pipe lower extreme fixed connection.

The utility model adopts the above be used for high-speed railway pile foundation construction to use cementer, it is further: the first motor, the second motor, the fourth motor and the fifth motor are all positive and negative motors.

The utility model has the advantages that:

1. the utility model discloses can carry the concrete that the ground pump comes down and go up to the slip casting incasement through feeding mechanism, the concrete of rethread rotatory third auger leaf messenger slip casting incasement is carried to the high-speed railway pile foundation from telescopic row material hose's lower port, and can freely control the horizontal migration of port under the telescopic row material hose through horizontal displacement mechanism, thereby make telescopic row material hose can be to pouring concrete in the high-speed railway pile foundation uniformly, pile up the problem together when avoiding concrete placement, thereby avoid accumulational concrete to pile up the inhomogeneous problem when leading to pouring after piling up.

2. The lifting adjusting mechanism in the utility model can perform secondary lifting adjustment on the grouting box, thereby increasing the height adjusting interval of the grouting box and improving the application range of the device; the utility model discloses can carry the subaerial concrete of being delivered by the ground pump to the slip casting incasement that is located the eminence through feeding mechanism, make the concrete more smoothly and steadily carried to the eminence, guaranteed going on smoothly of the device work of pouring.

Drawings

The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:

fig. 1 is a structural schematic diagram of a front view of a grouting device for high-speed rail pile foundation construction according to an embodiment;

fig. 2 is a left side view structural schematic diagram of a grouting device for high-speed rail pile foundation construction according to an embodiment;

fig. 3 is a schematic cross-sectional view illustrating a grouting apparatus for foundation construction of a high-speed railway according to an embodiment;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

In the drawings, the reference numbers indicate the following list of parts:

1. a supporting base; 2. a lifting portal frame; 3. a first lead screw; 4. a second lead screw; 5. a lifting plate; 6. grouting boxes; 7. an L-shaped conveying pipe is arranged; 8. first twisted dragon leaf; 9. a telescopic pipe; 10. a lower L-shaped conveying pipe; 11. a second auger blade; 12. a third auger blade; 13. a bottom bracket; 14. a third screw rod; 15. a rectangular frame; 16. a chute; 17. moving the pipe sleeve; 18. a fourth screw rod; 19. a telescopic discharge hose.

Detailed Description

Hereinafter, embodiments of the grouting device for high-speed rail pile foundation construction according to the present invention will be described with reference to the accompanying drawings.

The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are both explanatory and exemplary, and should not be construed as limiting the scope of the embodiments and the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

The drawings attached to the present specification are schematic views for assisting the explanation of the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

Fig. 1-4 show the utility model relates to a cementer is used in high-speed railway pile foundation construction of embodiment, it includes: supporting seat 1 and lifter plate 5, lifter plate 5 is located 1 upper end of supporting seat, be equipped with the lift adjustment mechanism who adjusts 5 heights of lifter plate between supporting seat 1 and the

lifter plate

5, 5 fixedly connected with of lifter plate is located the slip casting case 6 of supporting seat 1 one side, 6 diapalls of slip casting case set up to funnel shaped structure, the fixed intercommunication in 6 lower extreme middle parts of slip casting case has the telescopic row that is located funnel shaped structure bottom to expect hose 19, slip casting case 6 is inside to be equipped with to be located the third auger leaf 12 of arranging the material hose 19 upper port, the axis of rotation of third auger leaf 12 extends to 6 upper ends of slip casting case and is connected with and is used for driving the third motor of third auger leaf 12 pivoted, third motor and slip casting case 6 fixed connection.

The horizontal displacement mechanism that is used for adjusting the port position under the removal pipe box 17 is equipped with to the 6 diapalls of slip casting case, be equipped with feeding mechanism between slip casting case 6 and the supporting seat 1.

The lifting adjusting mechanism comprises a lifting portal frame 2, the lifting portal frame 2 is connected with the upper end of a supporting seat 1 in a sliding mode, the inner side of the lifting portal frame 2 is connected with a lifting plate 5 in a sliding mode, the lifting portal frame 2 is in threaded connection with a first lead screw 3, the upper end of the first lead screw 3 is connected with the supporting seat 1 in a rotating mode, the lower end of the first lead screw 3 is connected with a first motor used for driving the first lead screw 3 to rotate, the first motor is fixedly connected with the supporting seat 1, the bottom of the inner side of the lifting portal frame 2 is fixedly connected with a fixing plate, a second lead screw 4 is rotatably connected between the fixing plate and the top end of the lifting portal frame 2, the second lead screw 4 is in threaded connection with the lifting plate 5, the lower end of the second lead screw 4 is connected with a second motor used for driving the second lead screw 4 to rotate, and the second motor is fixedly connected with the fixing plate.

As shown in fig. 1, the horizontal displacement mechanism includes a bottom bracket 13, a rectangular frame 15 is slidably connected to the bottom of the bottom bracket 13 in the left-right direction, a third lead screw 14 is connected to the rectangular frame 15 through a thread, the third lead screw 14 is rotatably connected to the bottom bracket 13, one end of the third lead screw 14 is connected to a fourth motor for driving the third lead screw 14 to rotate, the fourth motor is fixedly connected to the bottom bracket 13, the rectangular frame 15 is slidably connected to a moving pipe sleeve 17 in the front-back direction, specifically, two sliding grooves 16 are symmetrically formed in two sides of the moving pipe sleeve 17, the sliding grooves 16 are respectively slidably connected to two side beams of the rectangular frame 15, the moving pipe sleeve 17 is sleeved on the lower end portion of the outer wall of the telescopic discharging hose 19, the moving pipe sleeve 17 is connected to a fourth lead screw 18 through a thread, the fourth lead screw 18 is rotatably connected to the rectangular frame 15, one end of the fourth lead screw 18 is connected to a fifth motor for driving the fourth lead screw 18 to rotate, and the fifth motor is fixedly connected to the rectangular frame 15.

The feeding mechanism comprises an upper L-shaped conveying pipe 7 and a lower L-shaped conveying pipe 10, the upper L-shaped conveying pipe 7 is located at the upper end of one side, away from the grouting box 6, of the supporting seat 1, the upper port of the upper L-shaped conveying pipe 7 is fixedly communicated with the grouting box 6, specifically, a first auger blade 8 is rotatably connected inside the upper L-shaped conveying pipe 7, a rotating shaft of the first auger blade 8 extends to the upper end of the upper L-shaped conveying pipe 7 and is connected with a sixth motor for driving the first auger blade 8 to rotate, and the sixth motor is fixedly connected with the upper end of the upper L-shaped conveying pipe 7; through the arrangement of the first auger blade 8, the concrete can be conveniently conveyed into the grouting box 6 from bottom to top; be equipped with flexible pipe 9 between port and the last L type conveyer pipe 7 lower port on the L type conveyer pipe 10 down, it is specific, flexible pipe 9 includes outer tube and inner tube, the fixed intercommunication of port under port and the last L type conveyer pipe 7 lower port on the outer tube, port and inner tube upper port sliding connection under the outer tube, the fixed intercommunication of port and lower L type conveyer pipe 10 upper port under the inner tube, one side lower extreme fixed connection who annotates thick liquid case 6 is kept away from to L type conveyer pipe 10 and supporting seat 1 down, it is specific, the inside rotation of L type conveyer pipe 10 is connected with second auger leaf 11 down, the axis of rotation of second auger leaf 11 extends to down L type conveyer pipe 10 lower extreme and is connected with and is used for driving second auger leaf 11 pivoted seventh motor, seventh motor and lower L type conveyer pipe 10 lower extreme fixed connection through second auger leaf 11's setting, can conveniently will send the concrete into flexible pipe 9 from bottom to top.

The first motor, the second motor, the fourth motor and the fifth motor are positive and negative motors.

The working principle is as follows:

when the utility model is used, the high speed of the lifting plate 5 is adjusted according to the high-speed iron pile foundation, so that the lower port of the telescopic discharging hose 19 is higher than the pouring port of the upper end of the high-speed iron pile foundation, namely, the first screw rod 3 is driven to rotate by the first motor, the first screw rod 3 drives the lifting portal frame 2 to slide up or down by the transmission action of the thread structure, thereby realizing the control of the upper and lower displacement of the telescopic discharging hose 19, if the telescopic discharging hose 19 is not adjusted up to a sufficient height, the second motor drives the second screw rod 4 to rotate, the second screw rod 4 drives the lifting plate 5 to further move up by the transmission action of the thread structure, thereby realizing the further control of the upper and lower displacement of the telescopic discharging hose 19, when the telescopic discharging hose 19 is adjusted to a proper height, the device is lifted to one side of the high-speed iron pile foundation to be poured, and the telescopic discharging hose 19 is positioned right above the middle part of the upper port of the high-speed railway pile base (the initial position of the lower port of the telescopic discharging hose 19 and the upper port of the telescopic discharging hose 19 are positioned on the same vertical line), then cement is conveyed into the lower port of the lower L-shaped conveying pipe 10 by a ground pump (the lower port of the lower L-shaped conveying pipe 10 can be fixedly communicated with the ground pump), then a sixth motor and a seventh motor are simultaneously started, the sixth motor drives a second auger blade 11 to rotate, so that the concrete at the lower port of the lower L-shaped conveying pipe 10 is conveyed into a telescopic pipe 9, a fifth motor drives a first auger blade 8 to rotate, so that the concrete upwelled in the telescopic pipe 9 is conveyed into a grouting box 6, then a third auger blade 12 is driven to rotate by a third motor, the concrete in the grouting box 6 is conveyed downwards by the third auger blade 12 through the telescopic discharging hose 19, namely, conveying the pile into a pouring opening of a high-iron pile foundation; when the middle part of the bottom in the high-speed rail pile foundation is poured with a proper amount of concrete, the fourth motor and the fifth motor are started simultaneously, the fourth motor controls the left and right horizontal positions of the rectangular frame 15 through the third screw rod 14, the fifth motor controls the front and back horizontal positions of the movable pipe sleeve 17 through the fourth screw rod 18, and through the cooperation of the fourth motor and the fifth motor, the lower port of the telescopic discharging hose 19 moves from the middle part of the pouring port of the high-speed rail pile foundation to the periphery in a vortex-type track mode, so that the concrete is uniformly distributed and distributed in the high-speed rail pile foundation, the problem that the concrete is accumulated at the same position in the high-speed rail pile foundation during conveying and is insufficient during concrete filling is avoided.

To sum up, the utility model discloses can be through the feeding mechanism with the concrete that the ground pump was carried in the slip casting case 6 from the lower port of telescopic discharge hose 19 down and on the right side, the concrete in the slip casting case 6 is carried to high-speed railway pile foundation from the lower port of telescopic discharge hose 19 through rotatory third auger leaf 12 in to can freely control the horizontal migration of telescopic discharge hose 19 lower port through horizontal displacement mechanism, thereby make telescopic discharge hose 19 can pour the concrete in the high-speed railway pile foundation evenly, pile up the problem together when avoiding concrete placement, thereby avoid piling up the problem that leads to when pouring inhomogeneous after the concrete that piles up; the lifting adjusting mechanism in the utility model can carry out secondary lifting adjustment on the grouting box 6, thereby increasing the height adjusting interval of the grouting box 6 and improving the application range of the device; the utility model discloses can be through feeding mechanism with subaerial concrete delivery to the slip casting case 6 that is located the eminence of being delivered by the ground pump, make the concrete more smoothly and steadily be carried to the eminence, guaranteed going on smoothly of the device work of pouring.

The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the aim of the invention.

Claims

1. The utility model provides a cementer for high-speed railway pile foundation construction which characterized in that includes: supporting seat (1) and lifter plate (5), lifter plate (5) are located supporting seat (1) upper end, be equipped with the lift adjustment mechanism who adjusts lifter plate (5) height between supporting seat (1) and lifter plate (5), lifter plate (5) fixedly connected with is located grouting box (6) of supporting seat (1) one side, grouting box (6) diapire sets up to funnel shaped structure, grouting box (6) lower extreme middle part is fixed the intercommunication has telescopic row material hose (19) that are located funnel shaped structure bottom, grouting box (6) inside is equipped with third auger leaf (12) that are located telescopic row material hose (19) upper port, the axis of rotation of third auger leaf (12) extends to grouting box (6) upper end and is connected with and is used for driving third auger leaf (12) pivoted third motor, third motor and grouting box (6) fixed connection; the horizontal displacement mechanism for adjusting the position of the lower port of the movable pipe sleeve (17) is arranged on the bottom wall of the grouting box (6), and the feeding mechanism is arranged between the grouting box (6) and the supporting seat (1).

2. The grouting device for high-speed railway pile foundation construction according to claim 1, wherein the lifting adjusting mechanism comprises a lifting portal frame (2), the lifting portal frame (2) is slidably connected with the upper end of a supporting seat (1), the inner side of the lifting portal frame (2) is slidably connected with a lifting plate (5), the lifting portal frame (2) is in threaded connection with a first lead screw (3), the upper end of the first lead screw (3) is rotatably connected with the supporting seat (1), the lower end of the first lead screw (3) is connected with a first motor for driving the first lead screw (3) to rotate, the first motor is fixedly connected with the supporting seat (1), the bottom of the inner side of the lifting portal frame (2) is fixedly connected with a fixing plate, a second lead screw (4) is rotatably connected between the fixing plate and the top end of the lifting portal frame (2), the second lead screw (4) is in threaded connection with the lifting plate (5), the lower end of the second lead screw (4) is connected with a second motor for driving the second lead screw (4) to rotate, and the second motor is fixedly connected with the fixing plate.

3. The grouting device for high-speed railway pile foundation construction according to claim 1, wherein the horizontal displacement mechanism comprises a bottom bracket (13), a rectangular frame (15) is connected to the bottom of the bottom bracket (13) in a left-right direction in a sliding manner, a third screw rod (14) is connected to the rectangular frame (15) in a threaded manner, the third screw rod (14) is connected to the bottom bracket (13) in a rotating manner, a fourth motor for driving the third screw rod (14) to rotate is connected to one end of the third screw rod (14), the fourth motor is fixedly connected to the bottom bracket (13), a moving pipe sleeve (17) is connected to the rectangular frame (15) in a sliding manner in a front-back direction, the moving pipe sleeve (17) is sleeved on the lower end portion of the outer wall of the telescopic discharging hose (19), a fourth screw rod (18) is connected to the moving pipe sleeve (17) in a threaded manner, the fourth screw rod (18) is connected to the rectangular frame (15) in a rotating manner, a fifth motor for driving the fourth screw rod (18) to rotate is connected to one end of the fourth screw rod (18), and the fifth motor is fixedly connected to the rectangular frame (15).

4. The grouting device for high-speed rail pile foundation construction according to claim 3, wherein sliding grooves (16) are symmetrically formed in two sides of the movable pipe sleeve (17), and the two sliding grooves (16) are slidably connected with two side beams of the rectangular frame (15) respectively.

5. The grouting device for high-speed railway pile foundation construction according to claim 1, wherein the feeding mechanism is provided with an upper L-shaped conveying pipe (7) and a lower L-shaped conveying pipe (10), the upper L-shaped conveying pipe (7) is positioned at the upper end of one side, away from the grouting box (6), of the supporting seat (1), the upper port of the upper L-shaped conveying pipe (7) is fixedly communicated with the grouting box (6), an expansion pipe (9) is arranged between the upper port of the lower L-shaped conveying pipe (10) and the lower port of the upper L-shaped conveying pipe (7), and the lower L-shaped conveying pipe (10) is fixedly connected with the lower end of one side, away from the grouting box (6), of the supporting seat (1).

6. The grouting device for high-speed rail pile foundation construction according to claim 5, wherein a first auger blade (8) is rotatably connected inside the upper L-shaped conveying pipe (7), a rotating shaft of the first auger blade (8) extends to the upper end of the upper L-shaped conveying pipe (7) and is connected with a sixth motor for driving the first auger blade (8) to rotate, and the sixth motor is fixedly connected with the upper end of the upper L-shaped conveying pipe (7).

7. A grouting device for high-speed railway pile foundation construction according to claim 5, characterized in that the extension pipe (9) comprises an outer pipe and an inner pipe, the upper port of the outer pipe is fixedly communicated with the lower port of the upper L-shaped conveying pipe (7), the lower port of the outer pipe is slidably connected with the upper port of the inner pipe, and the lower port of the inner pipe is fixedly communicated with the upper port of the lower L-shaped conveying pipe (10).

8. The grouting device for high-speed rail pile foundation construction according to claim 5, wherein a second auger blade (11) is rotatably connected to the interior of the lower L-shaped conveying pipe (10), a rotating shaft of the second auger blade (11) extends to the lower end of the lower L-shaped conveying pipe (10) and is connected with a seventh motor for driving the second auger blade (11) to rotate, and the seventh motor is fixedly connected with the lower end of the lower L-shaped conveying pipe (10).

9. The grouting device for high-speed rail pile foundation construction according to claim 2, wherein the first motor, the second motor, the fourth motor and the fifth motor are all positive and negative motors.