High embankment subgrade compacting device

Abstract

The application discloses a high fill subgrade compaction device, and belongs to the technical field of subgrade compaction. In order to solve the problem that it is more complicated to clean the protruding part of the subgrade, and the broken slag of the protruding part of the subgrade is still accumulated nearby after being broken, and the protruding part of the subgrade is caused after being compacted again, a mounting assembly is rotatably arranged on a fixed frame, a pair of brake assemblies are arranged on the mounting assembly, an installation frame is arranged on the two brake assemblies, a pair of positioning assemblies are fixedly arranged on the installation frame, a first crushing assembly and a second crushing assembly are slidably arranged on the installation frame, respectively, a pair of gears are rotatably arranged on the installation frame, a pair of telescopic assemblies and a plurality of pairs of hydraulic jacks are fixedly arranged on the side wall of the installation frame. Through the cooperation of the mounting assembly, the brake assembly, the installation frame, the positioning assembly, the first crushing assembly and the second crushing assembly, the protruding part of the subgrade can be crushed without manual cleaning and without the need of adjusting and transporting other professional equipment for cleaning.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of subgrade compaction, in particular to a high fill subgrade compaction device. BACKGROUND

[0002] High fill subgrade refers to a subgrade with a filling height greater than the specified standard. The bearing capacity and stability of the high fill subgrade are of high requirements during construction. Therefore, the step of compacting the subgrade using a subgrade compaction device is particularly important. Compacting the subgrade can ensure that the subgrade does not sink as a whole, collapse locally, or have slope collapse problems during subsequent construction.

[0003] Currently, during the compaction of the subgrade, the subgrade may be partially protruding. Generally, the protruding part of the subgrade is manually removed or excavated, and gravel is laid around the protruding part of the subgrade before compaction to eliminate the height difference between the protruding part of the subgrade and the surrounding subgrade. If the protruding part of the subgrade is manually cleaned, it is relatively cumbersome, or other machinery is transported to clean it, which is also relatively cumbersome. In addition, the broken debris of the protruding part of the subgrade is still accumulated nearby. If it is not cleaned, the subgrade may still be protruding after being compacted again.

[0004] In view of the above problems, a high fill subgrade compaction device is provided. SUMMARY

[0005] The present application aims to provide a high fill subgrade compaction device. The device is used to solve the problems of manual cleaning of the protruding part of the subgrade being relatively cumbersome and other machinery being transported to clean it being also relatively cumbersome. In addition, the device also solves the problem of the broken debris of the protruding part of the subgrade being still accumulated nearby, which may still cause the subgrade to be protruding after being compacted again.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a high fill subgrade compaction device, comprising a road roller main body and a fixed frame fixedly arranged on the road roller main body, a roller wheel rotatably arranged on the fixed frame, an internal excitation mechanism arranged in the roller wheel, a mounting assembly rotatably arranged on the fixed frame, a pair of brake assemblies arranged on the mounting assembly, an installation frame commonly arranged on the two brake assemblies, a pair of positioning assemblies fixedly arranged on the installation frame, a first crushing assembly and a second crushing assembly respectively slidably installed on the installation frame, a pair of gears rotatably arranged on the installation frame, and the gears are respectively meshed and connected with the first crushing assembly and the second crushing assembly, a pair of telescopic assemblies and a plurality of pairs of hydraulic jacks are respectively fixedly arranged on the side wall of the installation frame, and the output end of the telescopic assembly is fixedly connected with the first crushing assembly.

[0007] Further, the mounting assembly comprises mounting disc one and mounting disc two which are rotatably sleeved on the fixed frame respectively, the mounting disc one and the mounting disc two are symmetrically arranged, and annular grooves are formed in the mounting disc one and the mounting disc two respectively, a plurality of teeth are fixedly installed on the mounting disc one, and a motor is fixedly installed on the side wall of the fixed frame, the output shaft of the motor is arranged to penetrate the side wall of the fixed frame, and a driving gear is fixedly connected to the end of the output shaft of the motor.

[0008] Further, the brake assembly comprises a sliding seat which is slidably installed in the inner cavity of the annular groove, a special-shaped cavity is formed in the sliding seat, an electric push rod one is fixedly installed on the top wall of the vertical section of the special-shaped cavity, a connecting piece is fixedly installed at the output end of the electric push rod one, a pair of brake pads are symmetrically slidably installed on the inner wall of the horizontal section of the special-shaped cavity, and the brake pads are movably connected with the connecting piece through a connecting rod.

[0009] Further, the mounting frame comprises a U-shaped frame which is fixedly installed on the side wall of the sliding seat, and through-slots are symmetrically formed in the two side walls of the horizontal section of the U-shaped frame.

[0010] Further, the positioning assembly comprises an electric push rod two which is fixedly installed on the inner side wall of the U-shaped frame, and a top plate is fixedly connected to the output end of the electric push rod two.

[0011] Further, a plurality of protrusions are arranged on the first crushing assembly and the second crushing assembly respectively.

[0012] Further, the first crushing assembly comprises a first sliding plate which is slidably installed on the U-shaped frame, a pair of first racks are symmetrically fixedly installed on the same side wall of the first sliding plate, and a plurality of protrusions are fixedly installed on the outer side wall of the first sliding plate.

[0013] Further, the second crushing assembly comprises a second sliding plate which is slidably installed on the U-shaped frame, a pair of second racks are symmetrically fixedly installed on the two side walls of the second sliding plate, the gears are movably connected with the first rack and the second rack respectively, and a plurality of protrusions are fixedly installed on the outer side wall of the second sliding plate.

[0014] Further, the telescopic assembly comprises an electric push rod three which is fixedly installed on the side wall of the U-shaped frame, the output end of the electric push rod three is fixedly connected with the side wall of the first sliding plate through a fixing piece, and the fixing piece is slidably arranged in the through-slots.

[0015] Further, the telescopic assembly and the hydraulic jack are respectively subjected to anti-vibration treatment with the U-shaped frame.

[0016] Compared with the prior art, the beneficial effects of the present application are as follows:

[0017] 1. The application can be used as a road roller under normal circumstances, and when encountering a roadbed protrusion, the roadbed protrusion can be broken by the cooperation of the mounting assembly, the brake assembly, the mounting frame, the positioning assembly, the first breaking assembly and the second breaking assembly, without the need for manual cleaning or the use of other professional equipment for cleaning, without the need for waiting, high construction efficiency and flexible use.

[0018] 2. In addition to the above-mentioned effects, continuous breaking can be achieved when encountering a large-area roadbed protrusion.

[0019] 3. The cooperation of the first breaking assembly, the second breaking assembly, the telescopic assembly and the hydraulic jack rod can push the broken debris of the roadbed protrusion to both sides of the U-shaped frame, preventing the accumulation of broken debris in the vicinity after the protrusion is broken, which will cause the roadbed to protrude after recompaction.

[0020] 4. The protrusions provided on the first and second sliding plates play the role of a rake during the process of pushing the broken debris of the roadbed protrusion to both sides of the U-shaped frame, which can evenly spread the soil on both sides of the U-shaped frame, further preventing the situation of roadbed protrusion caused by recompaction of broken debris. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a schematic diagram of the overall structure of the application;

[0022] Figure 2 is a schematic diagram of the installation position of the mounting assembly of the application;

[0023] Figure 3 is an enlarged view of A of Figure 2

[0024] Figure 4 is a schematic diagram of the installation position of the telescopic assembly of the application;

[0025] Figure 5 is an enlarged view of B of Figure 4

[0026] Figure 6 is a schematic diagram of the three-dimensional structure of the mounting assembly of the application;

[0027] Figure 7 is a schematic diagram of the disassembly of the mounting assembly and the brake assembly of the application;

[0028] Figure 8 is an enlarged view of C of Figure 7

[0029] Figure 9 is a sectional view of the brake assembly of the application;

[0030] ​​​Figure 10 is an enlarged view of D in FIG. 1; Figure 9

[0031] Figure 11 is an exploded view of the first crushing assembly and the second crushing assembly of the present application;

[0032] Figure 12 is a schematic view of the mounting position of the gear of the present application;

[0033] Figure 13 is an enlarged view of E in FIG. 1; Figure 12

[0034] Figure 14 is a schematic view of the initial state of the present application;

[0035] Figure 15 is a schematic view of the working state of the present application.

[0036] In the figure: 1, road roller main body; 2, fixed frame; 3, roller; 4, mounting assembly; 41, mounting disc one; 42, mounting disc two; 43, annular groove; 44, tooth; 45, motor; 46, driving gear; 5, brake assembly; 51, sliding seat; 52, special-shaped cavity; 53, electric push rod one; 54, connecting piece; 55, brake pad; 56, connecting rod; 6, mounting frame; 61, U-shaped frame; 62, sliding groove; 7, positioning assembly; 71, electric push rod two; 72, top plate; 8, first crushing assembly; 81, first sliding plate; 82, rack one; 9, second crushing assembly; 91, second sliding plate; 92, rack two; 10, telescopic assembly; 101, electric push rod three; 102, fixing piece; 20, hydraulic jack. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0038] In order to solve the technical problems that manual cleaning of the protruding parts of the roadbed is relatively cumbersome, and it is also relatively cumbersome to call other machines to clean, as shown in Figures 1-15 the following preferred technical solutions are provided:

[0039] ​​The utility model provides a high fill embankment compaction device, which comprises a road roller main body 1 and a fixed frame 2 fixedly arranged on the road roller main body 1, a roller 3 rotatably arranged on the fixed frame 2, the fixed frame 2 being used for supporting and limiting the roller 3 and other components, and a vibration excitation mechanism arranged in the roller 3, the vibration excitation mechanism being capable of generating vibration, and the roller 3 is used for realizing vibration and compaction simultaneously through cooperation with the vibration excitation mechanism during compaction of the embankment, so that the compaction efficiency is higher and the effect is better.

[0040] A mounting assembly 4 is also rotatably arranged on the fixed frame 2, a pair of brake assemblies 5 are arranged on the mounting assembly 4, an installation frame 6 is commonly arranged on the two brake assemblies 5, the installation frame 6 and components thereon can be controlled to slide on the mounting assembly 4 through arrangement of the brake assemblies 5, a pair of positioning assemblies 7 are fixedly arranged on the installation frame 6, and the positioning assemblies 7 are tightly abutted against the roller 3 when the installation frame 6 and components thereon are rotated to a suitable position on the mounting assembly 4, so that the positioning assemblies 7 are started to operate, thereby realizing positioning of the installation frame 6 and components thereon.

[0041] A first crushing assembly 8 and a second crushing assembly 9 are respectively slidably arranged on the installation frame 6 and used for crushing protruding parts of the embankment, a pair of gears are rotatably arranged on the installation frame 6 and meshingly connected with the first crushing assembly 8 and the second crushing assembly 9, respectively, a pair of telescopic assemblies 10 and a plurality of pairs of hydraulic jacks 20 are respectively fixedly arranged on the side walls of the installation frame 6, the output end of the telescopic assembly 10 is fixedly connected with the first crushing assembly 8, the hydraulic jacks 20 are started to elongate after the protruding parts of the embankment are crushed by the first crushing assembly 8 and the second crushing assembly 9, so that the front end of the embankment compaction device is slightly lifted, at this time, the first crushing assembly 8 and the second crushing assembly 9 are synchronously slightly lifted upward, and the telescopic assembly 10 is started to elongate at the same time, in the process of elongation of the telescopic assembly 10, the first crushing assembly 8 is driven to move to one side of the installation frame 6, since the gears are meshingly connected with the first crushing assembly 8 and the second crushing assembly 9, respectively, it is indicated that the second crushing assembly 9 is synchronously reversely moved under the action of the gears when the first crushing assembly 8 moves, thereby pushing the crushed slag of the protruding parts of the embankment to both sides of the installation frame 6, so that the crushed slag of the protruding parts can be prevented from being accumulated nearby, and the condition of the protruding parts of the embankment can be prevented from being caused after recompaction, and the hydraulic jacks 20 are synchronously reset after the first crushing assembly 8 and the second crushing assembly 9 are reset by the telescopic assembly 10 for next use.

[0042] The mounting assembly 4 comprises mounting disc one 41 and mounting disc two 42 which are rotatably sleeved on the fixed frame 2, the mounting disc one 41 and the mounting disc two 42 are symmetrically arranged, and the mounting disc one 41 and the mounting disc two 42 are respectively provided with annular grooves 43, the annular grooves 43 on the mounting disc one 41 and the mounting disc two 42 are respectively provided with brake assemblies 5, the annular grooves 43 are used for limiting the brake assemblies 5, a plurality of teeth 44 are fixedly installed on the mounting disc one 41, a motor 45 is fixedly installed on the side wall of the fixed frame 2, the motor 45 is used for providing power output, the output shaft of the motor 45 is arranged to penetrate through the side wall of the fixed frame 2, the output end of the output shaft of the motor 45 is fixedly connected with a driving gear 46, the driving gear 46 is meshedly connected with the teeth 44, and the mounting disc one 41 can be driven to rotate by the driving gear 46 and the teeth 44 when the motor 45 operates.

[0043] The brake assembly 5 comprises a sliding seat 51 which is slidably installed in the inner cavity of the annular groove 43, a special-shaped cavity 52 is formed in the inner part of the sliding seat 51, an electric push rod one 53 is fixedly installed on the top wall of the vertical section of the special-shaped cavity 52, a connecting piece 54 is fixedly installed at the output end of the electric push rod one 53, a pair of brake pads 55 are symmetrically slidably installed on the inner wall of the horizontal section of the special-shaped cavity 52, the brake pads 55 and the connecting piece 54 are movably connected through a connecting rod 56, as shown in Figure 10 When the brake assembly 5 needs to be stopped in the inner cavity of the annular groove 43, the electric push rod one 53 is started to drive the connecting piece 54 to move downward, the connecting piece 54 will push the brake pads 55 to extend outward of the special-shaped cavity 52 through the connecting rod 56 in the process of moving downward, until the brake pads 55 abut against the side wall of the inner cavity of the annular groove 43, the braking effect can be achieved, conversely, when the electric push rod one 53 drives the connecting piece 54 to reset upward, the connecting piece 54 will pull the brake pads 55 into the inner part of the special-shaped cavity 52 through the connecting rod 56, so that the brake pads 55 and the side wall of the inner cavity of the annular groove 43 are separated from each other, at this time, the braking effect is lost.

[0044] The mounting frame 6 comprises a U-shaped frame 61 which is fixedly installed on the side wall of the sliding seat 51, through-slots 62 are symmetrically formed in the outer walls of the two sides of the horizontal section of the U-shaped frame 61.

[0045] The positioning assembly 7 comprises an electric push rod two 71 which is fixedly installed on the inner side wall of the U-shaped frame 61, a top plate 72 is fixedly connected to the output end of the electric push rod two 71, when the electric push rod two 71 is elongated and drives the top plate 72 to abut against the side wall of the roller 3, the positioning effect can be achieved, at this time, the braking effect between the brake assembly 5 and the annular groove 43 is released, which makes the U-shaped frame 61 and other components on the U-shaped frame 61 rotate synchronously with the roller 3.

[0046] The first crushing assembly 8 and the second crushing assembly 9 are respectively provided with a plurality of protrusions.

[0047] Specifically, in the initial state, the brake assembly 5 can play the role of brake on the installation assembly 4, when the roadbed appears protrusions, start the motor 45, the motor 45 drives the installation disc one 41 to rotate through the driving gear 46 and the gear teeth 44, since the U-shaped frame 61 is fixedly installed on the two sliding seats 51, when the installation disc one 41 rotates, the installation disc two 42 will also rotate synchronously with the installation disc one 41, in the process of rotating the installation disc one 41, the first U-shaped frame 61, the positioning assembly 7, the first crushing assembly 8 and the second crushing assembly 9 will be driven by the brake assembly 5 on the first U-shaped frame 61 to rotate synchronously, when rotating to the appropriate position, the electric push rod two 71 on the first U-shaped frame 61 is started to extend and drive the top plate 72 to abut against the side wall of the roller 3, thereby realizing the positioning of the first U-shaped frame 61, the positioning assembly 7, the first crushing assembly 8 and the second crushing assembly 9, at the same time, the brake assembly 5 on the first U-shaped frame 61 operates, and the brake effect between the brake assembly 5 and the annular groove 43 is removed, at this time, the road roller main body 1 drives the roller 3 to rotate forward, in the process of rotating, the roller 3 will drive the brake assembly 5, the first U-shaped frame 61, the first crushing assembly 8 and the second crushing assembly 9 on the first U-shaped frame 61 to rotate synchronously on the installation disc one 41 through the positioning assembly 7 on the first U-shaped frame 61, when the first crushing assembly 8 and the second crushing assembly 9 on the first U-shaped frame 61 are located directly below the roller 3, the road roller main body 1 no longer drives the roller 3 to advance, at this time, vibration is generated through the vibration mechanism, and the first crushing assembly 8 and the second crushing assembly 9 are vibrated together, the first crushing assembly 8 and the second crushing assembly 9 can quickly crush the protruding parts of the roadbed when vibrating, since a plurality of protrusions are respectively arranged on the first crushing assembly 8 and the second crushing assembly 9, the crushing speed can be accelerated and the crushing effect can be improved;

[0048] When the crushing is to be continued, the second electric push rod 71 on the second U-shaped frame 61 is extended and drives the top plate 72 to abut against the side wall of the roller 3, so as to realize the positioning effect, the brake assembly 5 on the second U-shaped frame 61 is released from the braking effect with the mounting disc 41, and the roller body 1 continues to drive the roller 3 to advance, when the roller 3 passes through the first crushing assembly 8 and the second crushing assembly 9 on the first U-shaped frame 61 and presses the first crushing assembly 8 and the second crushing assembly 9 on the second U-shaped frame 61 into the bottom, the roller body 1 stops driving the roller 3 to advance, at this time, the second electric push rod 71 on the first U-shaped frame 61 is shortened and drives the top plate 72 to be separated from the roller 3, so that the positioning assembly 7 loses the positioning effect, then, the brake assembly 5 on the first U-shaped frame 61 restores the braking effect with the mounting disc 41, at the same time, the motor 45 is started, the motor 45 drives the mounting disc 41 to rotate through the driving gear 46 and the teeth 44, in the process of rotating the mounting disc 41, the first U-shaped frame 61 and the positioning assembly 7, the first crushing assembly 8 and the second crushing assembly 9 on the first mounting frame 6 are driven to rotate to the position of the second U-shaped frame 61 through the brake assembly 5 on the first U-shaped frame 61, so as to replace the position of the second U-shaped frame 61, so as to realize the continuous forward crushing.

[0049] Through the above setting, it is not necessary to manually clean up, nor to transport other professional equipment for cleaning, without waiting, high construction efficiency, and flexible to use, in normal circumstances, it can be used as a separate compaction device, when encountering roadbed protrusions, it can also play a crushing role, and when encountering large-area roadbed protrusions, it can also realize continuous crushing.

[0050] When the crushing work is completed, the roller body 1 drives the roller 3 to advance until the first crushing assembly 8 and the second crushing assembly 9 on the two U-shaped frames 61 are not at the bottom of the roller 3, at this time, the positioning assembly 7 on the two U-shaped frames 61 is separated from the roller 3, so that the positioning assembly 7 loses the positioning effect, then, the brake assembly 5 on the two mounting frames 6 restores the braking effect with the mounting assembly 4, and then the motor 45 is started, the motor 45 drives the mounting disc 41 to rotate through the driving gear 46 and the teeth 44, until the mounting disc 41 restores the two mounting frames 6 and the components on the two mounting frames 6 to the original position, the motor 45 stops running, ready for next use, since the motor 45 has a brake function, when no crushing work is performed, the two mounting frames 6 and the components on the two mounting frames 6 can be prevented from sliding on the mounting disc 41, and thus the subsequent compaction work will not be affected.

[0051] In order to solve the technical problem that after the protruding parts of the roadbed are crushed, the crushed slag still accumulates nearby, and after recompaction, the roadbed protrusions may still be caused, as shown in Figures 11-13 The following preferred technical solutions are provided:

[0052] The first crushing assembly 8 comprises a first sliding plate 81 slidingly mounted on the U-shaped frame 61, and a pair of first toothed racks 82 symmetrically fixed on the same side wall of the first sliding plate 81, and a plurality of protrusions fixed on the outer side wall of the first sliding plate 81.

[0053] The second crushing assembly 9 comprises a second sliding plate 91 slidingly mounted on the U-shaped frame 61, and a pair of second toothed racks 92 symmetrically fixed on the outer side walls of the second sliding plate 91, and gears meshingly connected with the first toothed racks 82 and the second toothed racks 92 respectively, and a plurality of protrusions fixed on the outer side wall of the first sliding plate 81 of the second sliding plate 91.

[0054] The telescopic assembly 10 comprises an electric push rod three 101 fixedly mounted on the side wall of the U-shaped frame 61, and the output end of the electric push rod three 101 is fixedly connected with the side wall of the first sliding plate 81 through a fixing piece 102, and the fixing piece 102 is slidingly arranged in the through sliding groove 62.

[0055] The telescopic assembly 10 and the hydraulic push rod 20 are respectively subjected to anti-vibration treatment with the U-shaped frame 61, so as to prolong the service life of the telescopic assembly 10 and the hydraulic push rod 20.

[0056] Specifically, after the first crushing assembly 8 and the second crushing assembly 9 crush the protruding part of the roadbed, the hydraulic push rod 20 is started to extend, and the front end of the roadbed compacting device is slightly lifted, at this time, the first crushing assembly 8 and the second crushing assembly 9 are slightly lifted upward at the same time, and at the same time, the electric push rod three 101 is started to extend, and in the process of extension, the first sliding plate 81 is driven to move to one side of the U-shaped frame 61, and since the gears are meshingly connected with the first toothed racks 82 and the second toothed racks 92 respectively, it is indicated that when the first sliding plate 81 moves, the second sliding plate 91 moves reversely at the same time under the cooperation of the gears, the first toothed racks 82 and the second toothed racks 92, and then the crushed slag of the roadbed protrusion is pushed to the two sides of the U-shaped frame 61, so as to prevent the crushed slag of the protruding part from being accumulated nearby after crushing, which will cause the roadbed protrusion after recompaction. Since a plurality of protrusions are respectively arranged on the first sliding plate 81 and the second sliding plate 91, the protrusions play the role of a rake in the process of pushing the crushed slag of the roadbed protrusion to the two sides of the U-shaped frame 61, which can uniformly spread the soil on the two sides of the U-shaped frame 61, further preventing the crushed slag from causing the roadbed protrusion after recompaction, and when the cleaning is completed, the telescopic assembly 10 drives the first crushing assembly 8 and the second crushing assembly 9 to reset, and the hydraulic push rod 20 is reset at the same time, so as to be ready for next use.

[0057] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the scope of the present application is not limited to these specific embodiments.

[0058] While the embodiments of the application have been shown and described herein, it is to be understood that the scope of the application, jointly pointed out in the appended claims, is not to be limited to the above-described embodiments but can be otherwise variously changed, modified, replaced, and altered within the principles and spirit of the present application.

Claims

1. A compaction device for high embankment roadbed, comprising a roller body (1) and a fixed frame (2) fixedly mounted on the roller body (1), wherein a roller (3) is rotatably mounted on the fixed frame (2), and a vibration mechanism is provided inside the roller (3), characterized in that: The fixed frame (2) is further provided with a mounting assembly (4) rotatably arranged thereon, a pair of brake assemblies (5) are arranged on the mounting assembly (4), a mounting frame (6) is commonly arranged on the two brake assemblies (5), a pair of positioning assemblies (7) are fixedly arranged on the mounting frame (6), a first crushing assembly (8) and a second crushing assembly (9) are respectively slidably installed on the mounting frame (6), a pair of gears are rotatably arranged on the mounting frame (6) and are in meshing connection with the first crushing assembly (8) and the second crushing assembly (9) respectively, and a pair of telescopic assemblies (10) and a plurality of pairs of hydraulic jacks (20) are further fixedly arranged on the side wall of the mounting frame (6), and the output end of the telescopic assembly (10) is fixedly connected with the first crushing assembly (8). The mounting assembly (4) comprises mounting disc one (41) and mounting disc two (42) rotatably sleeved on the fixed frame (2), the mounting disc one (41) and the mounting disc two (42) are symmetrically arranged, and annular grooves (43) are respectively formed in the mounting disc one (41) and the mounting disc two (42), the brake assembly (5) comprises a sliding seat (51) slidably installed in the inner cavity of the annular groove (43), and the mounting frame (6) comprises a U-shaped frame (61) fixedly installed on the side wall of the sliding seat (51). The first crushing assembly (8) comprises a first sliding plate (81) slidably installed on the U-shaped frame (61), a pair of first racks (82) are symmetrically fixedly installed on the same side wall of the first sliding plate (81), and a plurality of protrusions are fixedly installed on the outer side wall of the first sliding plate (81). The second crushing assembly (9) comprises a second sliding plate (91) slidably installed on the U-shaped frame (61), a pair of second racks (92) are symmetrically fixedly installed on the outer side walls of the second sliding plate (91), the gears are in meshing connection with the first rack (82) and the second rack (92) respectively, and a plurality of protrusions are fixedly installed on the outer side wall of the first sliding plate (81) of the second sliding plate (91).

2. The high embankment subgrade compacting apparatus according to claim 1, characterized by: A plurality of teeth (44) are further fixedly installed on the mounting disc one (41), a motor (45) is fixedly installed on the side wall of the fixed frame (2), the output shaft of the motor (45) is arranged through the side wall of the fixed frame (2), a driving gear (46) is fixedly connected to the end of the output shaft of the motor (45), and the driving gear (46) is in meshing connection with the teeth (44).

3. The high embankment subgrade compacting apparatus according to claim 2, wherein: A special-shaped cavity (52) is formed in the sliding seat (51), an electric push rod one (53) is fixedly installed on the top wall of the vertical section of the special-shaped cavity (52), a connecting piece (54) is fixedly installed on the output end of the electric push rod one (53), a pair of brake pads (55) are symmetrically slidably installed on the inner wall of the horizontal section of the special-shaped cavity (52), and the brake pads (55) are movably connected with the connecting piece (54) through a connecting rod (56).

4. The high embankment subgrade compacting apparatus according to claim 3, wherein: A pair of through sliding grooves (62) are symmetrically formed in the two outer side walls of the horizontal section of the U-shaped frame (61).

5. The high embankment subgrade compacting apparatus according to claim 4, wherein: The positioning assembly (7) comprises an electric push rod two (71) fixedly installed on the inner side wall of the U-shaped frame (61), and a top plate (72) is fixedly connected to the output end of the electric push rod two (71).

6. The high embankment subgrade compacting apparatus according to claim 1, wherein: A plurality of protrusions are arranged on the first crushing assembly (8) and the second crushing assembly (9) respectively.

7. The high embankment subgrade compacting apparatus according to claim 4, wherein: The telescopic assembly (10) comprises an electric push rod three (101) fixedly installed on the side wall of the U-shaped frame (61), and the output end of the electric push rod three (101) is fixedly connected with the side wall of the first sliding plate (81) through a fixing piece (102) which is slidingly arranged in the through sliding groove (62).

8. The high embankment subgrade compacting apparatus according to claim 1, wherein: The telescopic assembly (10) and the hydraulic top rod (20) are respectively subjected to anti-vibration treatment with the U-shaped frame (61).

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