Walking-based mechanical excitation mechanism and icebreaker

Abstract

The application relates to the technical field of road deicing mechanical equipment, in particular to a mechanical excitation mechanism based on walking and an ice breaker, which comprises a roller wheel body, a two-stage planetary transmission assembly, an excitation assembly, a non-rotating support assembly and a gear positioning and buffering assembly, an ice breaking blade is assembled on the outer wall of the roller wheel body, and an inner gear ring capable of synchronously rotating with the roller wheel body is fixedly arranged on the inner wall of the roller wheel body. The excitation frequency of the mechanical excitation mechanism based on walking changes synchronously with the walking rotating speed, stable excitation output is maintained when ice is broken at low speed and heavy load, the excitation frequency is automatically increased when walking at high speed, the ice breaking demand of different ice layer thicknesses and different walking operation speeds is perfectly matched, and the technical pain points that the excitation frequency of the traditional hydraulic excitation cannot be self-adapted with the working condition and the operation coordination is poor are solved.

Description

Technical Field

[0001] This invention relates to the field of road de-icing machinery and equipment technology, specifically to a walking-based mechanical vibration mechanism and icebreaker. Background Technology

[0002] Most mechanical ice-breaking equipment on the market currently uses a simple rolling ice-breaking structure or an external hydraulic vibration ice-breaking structure. Among them, the traditional rolling ice-breaking relies solely on the weight of the rollers to crush the ice, which is ineffective for breaking hard ice and thick, compacted ice layers. It is prone to problems such as ice residue and incomplete road surface removal, resulting in low operating efficiency and limited applicability to various working conditions.

[0003] Most existing ice-breaking wheels adopt a rigid fixed structure, which has poor terrain adaptability. When facing uneven ice surfaces, ice packs, or stepped ice surfaces, problems such as single wheel suspension, pressure loss, and local overload can easily occur, resulting in the excitation force not being effectively transmitted to the ice layer and poor ice-breaking stability in complex road conditions.

[0004] Meanwhile, the transmission connection structure of existing vibration ice-breaking mechanisms is mostly rigid, which is prone to structural damage such as coaxiality deviation, stress concentration, shaft breakage, and tooth chipping under long-term high-frequency vibration conditions. Furthermore, they have poor fatigue and impact resistance, resulting in short equipment lifespan. Therefore, there is an urgent need for a mechanical vibration ice-breaking mechanism that can automatically match the excitation frequency as it moves, has terrain-adaptive floating capability, stable transmission, and vibration resistance. Summary of the Invention

[0005] The purpose of this invention is to provide a walking-based mechanical vibration mechanism and an icebreaker to solve the problems mentioned in the background art. To achieve the above objective, this invention provides the following technical solution: a walking-based mechanical vibration mechanism, comprising a roller body, a two-stage planetary transmission assembly, a vibration assembly, a non-rotational support assembly, and a gear positioning and buffer assembly;

[0006] The outer wall of the roller is equipped with ice-breaking blades, and the inner wall of the roller is fixed with an internal gear ring that can rotate synchronously with it.

[0007] The two-stage planetary transmission assembly includes a first planetary gear, a second planetary gear, and a sun gear. At least three first planetary gears are circumferentially meshed on the inner side of the internal gear ring. Each first planetary gear meshes with a set of second planetary gears on its side. All sets of second planetary gears mesh together on the outer side of the sun gear.

[0008] An output shaft is fixedly installed through the center of the sun gear. Both ends of the output shaft are equipped with elastic buffers. An eccentric excitation block is fixedly connected to the end of the elastic buffer away from the output shaft.

[0009] The vibration excitation assembly includes an elastic buffer and an eccentric excitation block, with a support bearing fixedly mounted on the side of the eccentric excitation block facing away from the output shaft.

[0010] The non-rotational support assembly includes a housing. The housing is fixedly installed on the outer ring of the support bearing. The housing is symmetrically arranged at both ends of the roller body and is a non-rotational component. The roller body is rotatably assembled between the two housings and can rotate freely in the circumferential direction relative to the housing. The excitation force generated by the eccentric excitation block is transmitted to the housing through the support bearing.

[0011] The gear positioning buffer assembly includes an independently set coupling shaft. The inner walls of the first planetary gear and the second planetary gear are both fixedly fitted with independent coupling shafts. The two ends of the coupling shaft pass through positioning through holes opened on the end face of the cover, which are used to limit and fix the coupling shaft.

[0012] Preferably, the two-stage planetary transmission assembly is a walking speed-increasing transmission layout. The internal gear ring rotates at low speed with the roller body, and after being accelerated by the first planetary gear and the second planetary gear, it drives the sun gear to rotate at high speed.

[0013] Preferably, the gear positioning buffer assembly further includes a connecting bearing, a buffer pad, and a fixing sleeve. The connecting shaft is fixedly sleeved at the position of the positioning through hole. The outer wall of the connecting bearing is covered with a buffer pad. A fixing sleeve is sleeved on the outer side of the buffer pad. The fixing sleeve is fixedly installed on the side of the cover facing away from the first planetary gear, and is used to axially limit and press the buffer pad and the connecting bearing.

[0014] Preferably, the elastic buffer is a flexible coupling structure, including two connecting rods, a convex strip, and an elastic rubber sleeve; the two connecting rods are fixedly connected to the end of the output shaft and the end face of the eccentric exciter block, respectively; each connecting rod has a convex strip on its outer side; the elastic rubber sleeve is fitted over the two connecting rods and the convex strip; the convex strip is embedded inside the elastic rubber sleeve to transmit circumferential torque.

[0015] Preferably, the elastic buffer also includes a locking component, wherein the connecting rod and the elastic rubber sleeve are provided with threaded grooves at corresponding positions, and the locking component is a threaded rod, which is threadedly fitted inside the threaded groove for axially locking the elastic rubber sleeve.

[0016] Preferably, the elastic rubber sleeve is made of high-strength, fatigue-resistant vulcanized engineering rubber.

[0017] An icebreaker includes a connecting frame and several sets of walking-based mechanical vibration mechanisms. Several spring telescopic cylinders are hinged on the connecting frame. A V-shaped connecting frame is hinged to the end of the spring telescopic cylinder away from the connecting frame. The end of the V-shaped connecting frame away from the spring telescopic cylinder is hinged to the connecting frame and forms a lever-type floating swing arm structure.

[0018] The V-shaped connecting frame consists of two V-shaped plates. A connecting plate is fixedly installed on the inner side of the V-shaped connecting frame. The connecting plate is fixedly connected to the cover in a one-to-one correspondence. The spring telescopic cylinder works with the V-shaped connecting frame to form a floating operation structure that can adapt to the terrain. The maximum floating angle of the roller is 15 degrees and the vertical floating stroke is 20 centimeters.

[0019] Preferably, the spring telescopic cylinder and the V-shaped connecting frame form a lever floating structure to achieve adaptive floating of the entire vibration mechanism based on the terrain.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] This invention achieves adaptive matching between walking and excitation frequency, resulting in stronger adaptability to ice-breaking conditions: The excitation frequency of this device changes synchronously with the walking speed. It maintains stable excitation output during low-speed heavy-load ice breaking and automatically increases the excitation frequency during high-speed walking, perfectly matching the ice-breaking needs of different ice thicknesses and different walking speeds. This solves the technical pain points of traditional hydraulic excitation frequency not being able to adapt to working conditions and poor work coordination.

[0022] This invention features a flexible buffer transmission structure that significantly improves the vibration resistance and durability of equipment. The invention innovatively uses an elastic buffer as a flexible coupling, combined with an elastic rubber sleeve made of high-strength, fatigue-resistant vulcanized engineering rubber. The convex interlocking structure stabilizes torque transmission and simultaneously compensates for the coaxiality error between the output shaft and the eccentric excitation block in real time. This effectively isolates gear pair impacts and high-frequency alternating vibrations, preventing shaft breakage, gear chipping, and structural fatigue damage caused by rigid transmission, thus significantly extending the overall service life of the machine.

[0023] This invention features a lever-type adaptive floating structure, ensuring high stability on complex ice surfaces. The lever-type floating swing arm structure, comprised of a connecting frame, spring-loaded telescopic cylinder, and V-shaped connecting frame, is integrated with the connecting plate and cover, achieving a maximum 15-degree floating swing angle and a 20-centimeter vertical floating stroke for the roller. Each wheel can independently adapt to uneven ice surfaces, preventing issues such as wheel suspension and pressure loss, and machine lifting. This ensures the ice-breaking blades are in close contact with the ice surface throughout the process, guaranteeing efficient application of vibration and compaction force to the ice layer, resulting in uniform and stable ice-breaking performance on complex road conditions.

[0024] This invention utilizes a composite ice-breaking mechanism to significantly improve ice-breaking quality and operational efficiency. It combines mechanical compaction ice breaking with high-frequency vibration ice breaking, employing a eccentric vibrating block to generate high-frequency excitation force that is transmitted through a casing and V-shaped connecting frame to the ice-breaking blades. This causes the ice layer to rapidly break up under the coupled action of mechanical compression and high-frequency vibration, resulting in thorough ice removal without any ice residue. This effectively solves the problems of incomplete ice breaking and difficulty in removing hard ice associated with traditional compaction ice breaking, significantly improving the quality and efficiency of winter road de-icing operations. Attached Figure Description

[0025] Figure 1 This is a three-dimensional structural diagram of the roller body and connecting frame of the present invention;

[0026] Figure 2 This is a three-dimensional structural diagram of the roller body and connecting disc of the present invention;

[0027] Figure 3 This is a three-dimensional structural diagram of the roller body and the cover of the present invention;

[0028] Figure 4 This is a three-dimensional structural diagram of the present invention connecting the bearing, buffer pad, and fixing sleeve;

[0029] Figure 5 This is a three-dimensional structural diagram of the first planetary gear and the second planetary gear of the present invention;

[0030] Figure 6 This is a three-dimensional structural diagram of the first planetary gear, the second planetary gear, and the sun gear of the present invention;

[0031] Figure 7 This is a three-dimensional structural diagram of the sun gear and output shaft of the present invention;

[0032] Figure 8 This is a three-dimensional unfolded cross-sectional view of the elastic rubber sleeve and threaded groove of the present invention.

[0033] In the diagram: 1. Roller body; 2. Ice-breaking blade; 3. Internal gear ring; 4. First planetary gear; 5. Second planetary gear; 6. Sun gear; 61. Output shaft; 62. Eccentric vibrator block; 63. Support bearing; 64. Elastic buffer; 641. Connecting rod; 642. Protruding strip; 643. Elastic rubber sleeve; 644. Threaded groove; 645. Threaded rod; 7. Connecting bearing; 8. Buffer pad; 9. Cover; 10. Coupling shaft; 11. Positioning through hole; 12. Fixing sleeve; 13. Connecting frame; 131. Spring telescopic cylinder; 132. V-shaped connecting frame; 14. Connecting disc. Detailed Implementation

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0035] Please see Figures 1 to 8This invention provides a technical solution: a walking-based mechanical vibration mechanism, including a roller body 1, an ice-breaking blade 2 mounted on the outer wall of the roller body 1, and an internal gear ring 3 mounted on the inner wall of the roller body 1, capable of rotating synchronously with the roller body 1. At least three circumferentially distributed first planetary gears 4 are meshed on the inner wall of the internal gear ring 3, and second planetary gears 5 are meshed on the sides of each of the at least three first planetary gears 4. A sun gear 6 is meshed on each of the at least three second planetary gears 5. The sun gear 6 is located at the central axis of the roller body 1, and an output shaft 61 is fixedly inserted through the center of the sun gear 6. Both ends are connected to elastic buffers 64. An eccentric exciter 62 is fixedly connected to the end of the elastic buffer 64 away from the output shaft 61. A support bearing 63 is fixedly connected to the side of the eccentric exciter 62 facing away from the output shaft 61. A cover 9 is installed on the outer ring of the support bearing 63. The two covers 9 are respectively arranged at the two axial ends of the roller body 1. The covers 9 are non-rotating components. The roller body 1 is rotatably assembled between the two covers 9. The roller body 1 can rotate relative to the covers 9. The covers 9 themselves do not rotate with the roller body 1. The excitation force is generated by the eccentric exciter 62 and transmitted to the covers 9 through the support bearing 63.

[0036] Furthermore, each of the first planetary gear 4 and the second planetary gear 5 has an independent connecting shaft 10 fixedly inserted through its inner wall. Both ends of the connecting shaft 10 pass through positioning through holes 11 opened on the end face of the housing 9, used to limit the position of the connecting shaft 10. A connecting bearing 7 is fixedly sleeved on the connecting shaft 10 at the position of the positioning through hole 11, and a buffer pad 8 is fixedly sleeved on the outer wall of the connecting bearing 7. A fixing sleeve 12 is sleeved on the outer side of the buffer pad 8, and the fixing sleeve 12 is installed on the side of the housing 9 facing away from the first planetary gear 4. The fixing sleeve 12 forms an axial limiting and pressing action on the buffer pad 8 and the connecting bearing 7, preventing axial movement of the connecting shaft 10 during gear transmission. The buffer pad 8 can absorb the slight vibration generated by gear meshing, compensate for the radial clearance of the transmission, reduce transmission noise and wear, and ensure the stability of the planetary gear set.

[0037] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figures 5 to 8 As shown, the elastic buffer 64 constitutes a flexible coupling. The elastic buffer 64 includes two connecting rods 641; one end of one connecting rod 641 is fixedly connected to the end of the output shaft 61, and one end of the other connecting rod 641 is fixedly connected to the end face of the eccentric exciter 62.

[0038] Both connecting rods 641 are provided with protruding strips 642 on their outer sides;

[0039] The elastic buffer 64 also includes an elastic rubber sleeve 643, which is sleeved on the outside of the two connecting rods 641 and the protrusion 642. The protrusion 642 is embedded in the elastic rubber sleeve 643 to transmit circumferential torque. The elastic rubber sleeve 643 is made of high-strength fatigue-resistant vulcanized engineering rubber material and has the characteristics of high elasticity, high damping and resistance to alternating fatigue.

[0040] A threaded groove 644 is provided at the corresponding position of the connecting rod 641 and the elastic rubber sleeve 643. The threaded rod 645 is threadedly assembled in the threaded groove 644. The threaded rod 645 is used to axially lock the elastic rubber sleeve 643 onto the connecting rod 641, thereby preventing the elastic rubber sleeve 643 from axially dislodging.

[0041] The elastic buffer 64 can transmit torsional torque and compensate for the coaxiality error between the output shaft 61 and the eccentric exciter 62, while also isolating some of the impact vibrations transmitted from the gear pair. During operation, the slip-free torque transmission is achieved by the interlocking structure of the convex strip 642 and the elastic rubber sleeve 643. At the same time, the elastic deformation of the rubber is used to adapt to assembly deviations and buffer high-frequency alternating excitation impacts, effectively avoiding the risks of shaft breakage and gear tooth breakage caused by rigid transmission, and significantly improving the overall service life and operational stability of the excitation mechanism.

[0042] This embodiment also provides an icebreaker, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figures 5 to 8 As shown, the icebreaker is equipped with the walking-based mechanical excitation mechanism described in the above embodiment. The icebreaker includes a connecting frame 13 and several sets of the above-mentioned mechanical excitation mechanisms. Several spring telescopic cylinders 131 are hinged on the connecting frame 13. A V-shaped connecting frame 132 is hinged to one end of the spring telescopic cylinder 131 away from the connecting frame 13. The V-shaped connecting frame 132 is hinged to the connecting frame 13 at one end away from the spring telescopic cylinder 131, forming a lever-type floating swing arm structure.

[0043] The V-shaped connecting frame 132 consists of two V-shaped plates, and a connecting plate 14 is installed on the inner side of the V-shaped connecting frame 132. The two connecting plates 14 correspond one-to-one with the two covers 9 and are fixedly connected. The V-shaped connecting frame 132, together with the spring telescopic cylinder 131, realizes the adaptive floating motion of the roller wheel 1 with a maximum floating swing angle of 15 degrees and a floating stroke of 20 centimeters. The lever-type swing arm structure can amplify the buffering floating effect of the spring telescopic cylinder 131, ensure that each wheel independently adapts to the terrain, effectively counteract the uneven force caused by the unevenness of the ice surface, and ensure that the excitation ice-breaking pressure is applied evenly and stably to the ice surface throughout the entire process.

[0044] Working principle: such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figures 5 to 8 As shown, this invention is a walking-based mechanical vibration mechanism. It utilizes the walking power of the icebreaker to achieve purely mechanical vibration ice-breaking operations, eliminating the need for an additional hydraulic vibration power source. Furthermore, it incorporates an adaptive floating suspension structure, integrating walking, adaptive ground contact, and mechanical vibration ice-breaking into a single operation. The overall working process is as follows:

[0045] When the icebreaker is in operation, the roller body 1 is the active rotating component. The ice-breaking blades 2 mounted on the outer side of the roller body 1 directly contact the ice surface, and the roller body 1 is continuously rotated by the driving force of the entire machine. At the same time, the internal gear ring 3, which is fixed to the inner wall of the roller body 1, rotates synchronously with the roller body 1, transmitting the rotational power of the roller body 1 to the internal gear ring 3. During the rotation of the internal gear ring 3, it drives the circumferentially evenly arranged first planetary gear 4 to mesh and rotate. The first planetary gear 4 synchronously drives the second planetary gear 5 to rotate. Through the speed-increasing transmission effect of the two-stage planetary gears, the rotational speed of the inner sun gear 6 is greatly increased, achieving the transmission effect of low-speed input and high-frequency speed output.

[0046] As the sun gear 6 rotates at high speed with the two-stage planetary gear transmission, it drives the centrally fixed output shaft 61 to rotate synchronously. Both ends of the output shaft 61 are fixedly connected to the eccentric excitation blocks 62 via elastic buffers 64. The elastic buffers 64 form a flexible coupling structure, which can stably transmit circumferential torsional torque and simultaneously compensate for coaxiality installation errors between the output shaft 61 and the eccentric excitation blocks 62 in real time. This effectively isolates the impact vibrations generated during gear transmission, prevents alternating loads from impacting the gear transmission pair in the opposite direction, and improves the stability and service life of the transmission structure. During the rotation of the output shaft 61, it drives the eccentric excitation blocks 62 at both ends to rotate synchronously at high speed, utilizing the rotation of the eccentric mass to generate periodic centrifugal excitation force, forming a high-frequency mechanical excitation effect.

[0047] The eccentric exciter 62 is mounted inside the housing 9 via the end support bearing 63. The housing 9 is a non-rotating fixed component that does not rotate with the roller body 1 or the eccentric exciter 62. It can stably bear the high-frequency excitation force generated by the eccentric exciter 62. The excitation force is completely transmitted to the housing 9 via the support bearing 63, and then transmitted to the suspension structure of the whole machine through the V-shaped connecting frame 132 fixed to the housing 9. Finally, it acts on the roller body 1 and the ice-breaking blade 2, so that the ice-breaking blade 2 superimposes high-frequency mechanical vibration while crushing the ice surface. Through the combined action of crushing impact and vibration crushing, the ice layer on the road surface and bridge surface is efficiently broken, and the ice-breaking effect is greatly improved.

[0048] While performing overall vibration ice-breaking operations, this mechanism is equipped with an adaptive floating suspension structure that adapts to uneven ice surface conditions in real time. The spring telescopic cylinder 131 hinged to the connecting frame 13 and the V-shaped connecting frame 132 form a lever-type floating swing arm structure. The cover 9, connecting plate 14, and V-shaped connecting frame 132 are fixed as one unit, allowing the entire vibration roller unit to adaptively float with the ice surface terrain. During operation, a single set of rollers 1 can achieve a maximum floating swing angle of 15 degrees and a vertical floating stroke of 20 centimeters. When facing uneven ice surfaces such as ice clods, potholes, and steps, a single roller can independently and adaptively conform to the ice surface, preventing a situation where a single roller lifts the entire machine while the other rollers are suspended and lose pressure. This ensures that the ice-breaking blades 2 are in close contact with the ice surface throughout the process, ensuring that the vibration force and crushing pressure are effectively applied to the ice layer, guaranteeing continuous and stable ice-breaking operations under complex ice surface conditions.

[0049] In addition, the first planetary gear 4 and the second planetary gear 5 are respectively positioned and installed through independent couplings 10. The couplings 10 pass through the positioning through hole 11 of the cover 9 to achieve precise positioning. Combined with the combined structure of connecting bearing 7, buffer pad 8 and fixing sleeve 12, the radial runout and structural wear during gear transmission can be effectively reduced, further improving the operational stability of the two-stage planetary transmission mechanism and ensuring the reliability of the whole machine for long-term high-frequency vibration operation.

[0050] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A walking-based mechanical excitation mechanism, comprising a roller body (1), a two-stage planetary transmission assembly, an excitation assembly, a non-rotational support assembly, and a gear positioning buffer assembly; The outer wall of the roller body (1) is fitted with ice-breaking blades (2), and the inner wall of the roller body (1) is fixedly provided with an internal gear ring (3) that can rotate synchronously with it; characterized in that: The two-stage planetary transmission assembly includes a first planetary gear (4), a second planetary gear (5), and a sun gear (6). At least three first planetary gears (4) are arranged in circumferential meshing on the inner side of the internal gear ring (3). Each first planetary gear (4) meshes with a set of second planetary gears (5) on its side. All sets of second planetary gears (5) mesh together on the outer side of the sun gear (6). An output shaft (61) is fixedly installed through the middle of the sun gear (6). Both ends of the output shaft (61) are equipped with elastic buffers (64). An eccentric excitation block (62) is fixedly connected to the end of the elastic buffer (64) away from the output shaft (61). The vibration excitation assembly includes an elastic buffer (64) and an eccentric excitation block (62). The eccentric excitation block (62) is fixedly fitted with a support bearing (63) on the side facing away from the output shaft (61). The non-rotational support assembly includes a housing (9), and the outer ring of the support bearing (63) is fixedly mounted with the housing (9). The housing (9) is symmetrically arranged at both ends of the roller body (1) and is a non-rotational component. The roller body (1) is rotatably assembled between the two housings (9) and can rotate freely in the circumferential direction relative to the housing (9). The excitation force generated by the eccentric excitation block (62) is transmitted to the housing (9) through the support bearing (63). The gear positioning buffer assembly includes an independently set coupling shaft (10). The inner walls of the first planetary gear (4) and the second planetary gear (5) are both fixedly fitted with independent coupling shafts (10). The two ends of the coupling shaft (10) pass through positioning through holes (11) opened on the end face of the cover (9) for limiting and fixing the coupling shaft (10).

2. The walking-based mechanical excitation mechanism according to claim 1, characterized in that: The two-stage planetary transmission assembly is a walking speed-increasing transmission layout. The internal gear ring (3) rotates at low speed with the roller body (1), and after two stages of speed-increasing by the first planetary gear (4) and the second planetary gear (5), it drives the sun gear (6) to rotate at high speed.

3. The walking-based mechanical excitation mechanism according to claim 1, characterized in that: The gear positioning buffer assembly also includes a connecting bearing (7), a buffer pad (8), and a fixing sleeve (12). The connecting shaft (10) is fixedly sleeved with the connecting bearing (7) at the position of the positioning through hole (11). The outer wall of the connecting bearing (7) is covered with a buffer pad (8). The outer side of the buffer pad (8) is fitted with a fixing sleeve (12). The fixing sleeve (12) is fixedly installed on the side of the cover (9) facing away from the first planetary gear (4) for axial limiting and pressing of the buffer pad (8) and the connecting bearing (7).

4. The walking-based mechanical excitation mechanism according to claim 1, characterized in that: The elastic buffer (64) is a flexible coupling structure, including two connecting rods (641), a convex strip (642) and an elastic rubber sleeve (643); the two connecting rods (641) are fixedly connected to the end of the output shaft (61) and the end face of the eccentric exciter (62) respectively. Each connecting rod (641) is provided with a convex strip (642) on its outer side. The elastic rubber sleeve (643) is sleeved on the outside of the two connecting rods (641) and the convex strip (642). The convex strip (642) is embedded in the elastic rubber sleeve (643) to transmit circumferential torque.

5. A walking-based mechanical excitation mechanism according to claim 4, characterized in that: The elastic buffer (64) also includes a locking assembly. The connecting rod (641) and the elastic rubber sleeve (643) are respectively provided with threaded grooves (644). The locking assembly is a threaded rod (645). The threaded rod (645) is threaded into the threaded groove (644) for axially locking the elastic rubber sleeve (643).

6. The walking-based mechanical excitation mechanism according to claim 4, characterized in that: The elastic rubber sleeve (643) is made of high-strength fatigue-resistant vulcanized engineering rubber.

7. An ice-breaking machine, characterized in that: Includes a connecting frame (13) and several sets of mechanical vibration mechanisms based on walking as described in any one of claims 1-6. Several spring telescopic cylinders (131) are hinged on the connecting frame (13). A V-shaped connecting frame (132) is hinged to one end of the spring telescopic cylinder (131) away from the connecting frame (13). The end of the V-shaped connecting frame (132) away from the spring telescopic cylinder (131) is hinged to the connecting frame (13) and forms a lever-type floating swing arm structure. The V-shaped connecting frame (132) consists of two V-shaped plates. A connecting plate (14) is fixedly installed on the inner side of the V-shaped connecting frame (132). The connecting plate (14) is fixedly connected to the cover (9) one by one. The spring telescopic cylinder (131) and the V-shaped connecting frame (132) form a floating operation structure that can adapt to the terrain. The roller body (1) has a maximum floating swing angle of 15 degrees and a vertical floating stroke of 20 centimeters.

8. An ice-breaking machine according to claim 7, characterized in that: The spring telescopic cylinder (131) and the V-shaped connecting frame (132) form a lever floating structure, which is used to realize the overall terrain adaptive floating of the excitation mechanism.

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