Falling stone buffering and protecting pile body structure

Abstract

The utility model provides a falling stone buffering and protecting pile body structure, which is characterized in that a cavity is arranged in a pile body, an elastic buffering piece is fixedly arranged in the cavity, a protecting net connecting piece partially extends into the cavity to be connected with the elastic buffering piece and is connected with a falling stone protecting net in a hanging manner, and the falling stone protecting net is respectively hung through a plurality of pile bodies. According to the large-area rockfall protection system, when a rockfall disaster occurs, rockfall rolls down along a slope, enters the rockfall protection net and impacts the rockfall protection net, so that the rockfall protection net pulls the protection net connecting pieces and the elastic buffering pieces, the elastic buffering pieces are elastically deformed, the elastic buffering pieces play a buffering role, and the rockfall protection effect is achieved. The impact force caused by rockfall is effectively buffered, the situation that when the rockfall speed is high and the impact force is large, the buffer structure bears insufficiency, and consequently the protective pile body is damaged is prevented, and the technical problems that in the prior art, the buffer performance is insufficient, and the protective pile body is prone to being impacted and damaged by rockfall are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to dangerous rockfall protection technical field, specifically relates to a rockfall buffering protection pile body structure. BACKGROUND

[0002] With the rapid development of traffic technology in China, the gradual perfection of traffic facilities, more and more highways, railways gradually extend into mountainous areas, and the traffic network composed of tunnels, railways, highways and bridges brings great convenience to people's travel.

[0003] In the process of constructing traffic and traveling in mountainous areas, rockfall is a natural disaster that cannot be ignored. Due to natural factors (weathering, rainfall, earthquake, etc.) or human factors (blasting, construction, etc.), rocks, stones and other objects fall from a high place, forming rockfall disasters. Rockfall poses a great threat to people's life and property safety. In some prior art, technical solutions for rockfall prevention are also disclosed.

[0004] For example, in the patent application document with the application number CN202222659279.7, a slope rockfall blocking structure is disclosed, which is arranged along the slope surface by a support body, the support body is fixed to the slope by a fixing structure, the intercepting body is vertically arranged, the bottom of the intercepting body is connected to the upper side of the support body, and a buffer structure is laid on the side of the intercepting body close to the slope. The intercepting body is used to intercept rockfall, and the rockfall is protected. However, since the slope rockfall blocking structure uses the intercepting body and the buffer structure to directly block the rockfall, the buffering performance is insufficient, and the technical problem of being easily damaged by rockfall impact. UTILITY MODEL CONTENT

[0005] In order to solve the technical problem of insufficient buffering performance of the slope rockfall blocking structure in the prior art and easy damage by rockfall impact, the utility model provides a rockfall buffering protection pile body structure.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A rockfall buffering protection pile body structure, the rockfall buffering protection pile body structure includes a pile body, an elastic buffer and a protection net connecting piece, a cavity is arranged in the pile body, the elastic buffer is fixedly arranged in the cavity, the protection net connecting piece penetrates the outer wall of the pile body and is inserted into the cavity, and the protection net connecting piece is connected with the elastic buffer.

[0008] Optionally, the pile body comprises two net hanging surfaces facing away from each other; the cavity is arranged along the extension direction of the pile body; the protective net connecting piece and the elastic buffer piece are both multiple; multiple protective net connecting pieces are sequentially arranged on the net hanging surface along the extension direction of the pile body, and the protective net connecting pieces have intervals therebetween; multiple elastic buffer pieces are sequentially fixedly arranged in the cavity along the extension direction of the pile body, and the elastic buffer pieces correspond to the protective net connecting pieces one by one.

[0009] Optionally, the pile body further comprises a partition plate, the partition plate separates the cavity into two cavities; the protective net connecting pieces are multiple rows on the net hanging surface, each row of the protective net connecting pieces is arranged along the extension direction of the pile body, and each row of the protective net connecting pieces is arranged corresponding to one of the cavities; multiple elastic buffer pieces are sequentially fixedly arranged in each of the cavities along the extension direction of the pile body.

[0010] Optionally, the elastic buffer piece comprises a shell, a cover plate and a spring assembly; the shell and the cover plate form an accommodating cavity, and the shell is provided with an opening; the spring assembly is fixedly arranged in the accommodating cavity, and part of the spring assembly extends out of the opening, and the part of the spring assembly extending out of the opening is fixedly connected with the protective net connecting piece.

[0011] Optionally, the spring assembly comprises a fixed column, a surrounding baffle and a telescopic spring; the fixed column is fixedly arranged at the center position of the accommodating cavity; the surrounding baffle extends from the position close to the center of the accommodating cavity to the opening in a spiral shape, and the surrounding baffle forms a spiral channel with the shell and the cover plate; one end of the telescopic spring is fixedly connected to the fixed column, and the other end of the telescopic spring extends out of the opening along the spiral channel and is fixedly connected with the protective net connecting piece.

[0012] Optionally, the protective net connecting piece comprises a connecting rod and a net hanging assembly; one end of the connecting rod extends into the cavity and is fixedly connected with the buffer spring piece, and the other end of the connecting rod is exposed outside the pile body and is connected with the net hanging assembly; the net hanging assembly is used for hanging the rockfall protective net.

[0013] Optionally, the net hanging assembly comprises a base, a flip cover and a locking assembly; the base is connected with the connecting rod; one side edge of the base is hingedly connected with the flip cover; the locking assembly is arranged on the other side edge of the base, and the locking assembly is used for locking the flip cover and the base.

[0014] Optionally, the connecting rod is provided with a threaded hole, the net hanging assembly is provided with a bolt on the lower side, the bolt is inserted into the threaded hole, so that the net hanging assembly is detachably connected with the connecting rod.

[0015] Optionally, the pile body lower end is provided with a fixed plug, which is fixedly arranged along the extension direction of the pile body.

[0016] Optionally, the fixed plug is provided with a threaded connection hole in the center, which is fixedly arranged along the extension direction of the pile body.

[0017] The utility model discloses the beneficial effect is:

[0018] (1) the utility model provides a rockfall buffering protection pile body structure, sets up the cavity in the pile body, and the elastic buffer is fixedly arranged in the cavity, and the protection net connecting piece part extends into the cavity and is connected with the elastic buffer, and the rockfall protection net is hung, and the rockfall protection net is hung to the plurality of pile body respectively, forms the rockfall protection system of large area, when rockfall disaster occurs, rockfall rolls along the slope, enters the rockfall protection net, and the impact of rockfall protection net is generated, makes rockfall protection net pull protection net connecting piece and elastic buffer, makes the elastic buffer and occurs the elastic deformation, and the buffering effect of multiple elastic buffers is played in common, and the impact of rockfall is effectively buffered, prevents the damage of protection pile body when rockfall speed is fast, and the buffering structure bears the deficiency and leads to the technical problem of the damage of protection pile body in prior art.

[0019] (2) simultaneously, the rockfall buffering protection pile body structure in the utility model can not only be used for passive protection, because the rockfall protection net is connected with the elastic buffer through the protection net connecting piece, the rockfall protection net can be extended and deformed and ensure certain stress, when active protection is carried out through the rockfall buffering protection pile body structure of the utility model, the rockfall protection net can be effectively attached to the rugged slope surface, and better active protection effect is obtained.

[0020] (3) in the protection net connecting piece in the utility model, the net hanging assembly can be detachably connected through the bolt and the connecting rod, when the net hanging assembly is damaged in the use process, the net hanging assembly can be disassembled and replaced, which avoids the technical problem that the protection net hook is fixed in the prior art, and cannot be replaced after being damaged, and only the whole protection pile can be replaced. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the schematic diagram of the rockfall buffering protection pile body structure in the utility model;

[0022] Figure 2 It is a cross section schematic diagram of the pile body in the utility model;

[0023] Figure 3 It is another cross section schematic diagram of the pile body in the utility model;

[0024] Figure 4 is a schematic view of the elastic buffer in the utility model;

[0025] Figure 5 is a schematic view of the spring assembly in the utility model;

[0026] Figure 6 is a schematic view of the protective net connecting piece in the utility model.

[0027] 1, pile body; 11, net hanging surface; 12, partition plate; 13, cavity; 14, fixed plug-in piece; 15, threaded connection hole; 2, elastic buffer; 21, shell; 211, opening; 22, cover plate; 23, spring assembly; 231, fixed column; 232, enclosing baffle; 233, telescopic spring; 3, protective net connecting piece; 31, connecting rod; 311, threaded hole; 32, net hanging assembly; 321, base; 322, flip cover; 323, locking assembly; 324, bolt. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, but not as any limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] It should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the utility model. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or their combination.

[0030] The foregoing description, for purposes of explanation, sets forth specific values and arrangements of components and steps that are subject to many options. It is their combinations that are of the essence of the novel embodiments. However, other embodiments can include different values and arrangements of the components and steps, and the novel embodiments are not limited to the specific examples described herein. The various embodiments have different advantages, and no single embodiment is designed to include one or all of the advantages of the novel embodiments. Many advantages of the novel embodiments will be apparent from the following detailed description, taken in conjunction with the accompanying drawings.

[0031] In the description of the novel embodiments, it is to be understood that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal", and "top, bottom" and the like indicated orientation or position relationship are generally based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the novel embodiments and simplifying the description, and in the absence of contrary description, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection scope of the novel embodiments: the orientation words "inner, outer" refer to the inner and outer relative to the contour of each component.

[0032] For the convenience of description, spatial relative terms such as "over", "above", "upper surface", "upper" and the like can be used herein to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawings is inverted, the device described as "above" or "over" other devices or structures will be positioned "below" or "under" other devices or structures. Thus, the example term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0033] In addition, it should be noted that the use of the words "first", "second" and the like to qualify parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, and therefore cannot be understood as a limitation on the protection scope of the novel embodiments.

[0034] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0035] Referring to Figure 1 , Figure 2 and Figure 3 , a schematic diagram of a rockfall buffering protection pile body structure described in the application is shown, which at least includes a pile body 1, an elastic buffer 2 and a protection net connecting piece 3; the pile body 1 is provided with a cavity, and the elastic buffer 2 is fixedly arranged in the cavity; the protection net connecting piece 3 penetrates the outer wall of the pile body 1 and is inserted into the cavity, and the protection net connecting piece 3 is connected with the elastic buffer 2; the protection net connecting piece 3 is used for hanging a rockfall protection net.

[0036] In the embodiment, the cavity is arranged in the pile body 1, and the elastic buffer 2 is fixedly arranged in the cavity; the protection net connecting piece 3 is partially extended into the cavity and connected with the elastic buffer 2, and the rockfall protection net is hung and connected; a large-area rockfall protection system is formed by hanging and connecting the rockfall protection net through a plurality of pile bodies 1; when a rockfall disaster occurs, the rockfall rolls along the slope and enters the rockfall protection net, which generates an impact on the rockfall protection net, so that the rockfall protection net pulls the protection net connecting piece 3 and the elastic buffer 2, and the elastic buffer 2 is elastically deformed; the impact force caused by the rockfall is effectively buffered by the common action of a plurality of elastic buffers 2; when the rockfall speed is fast and the impact force is large, the buffering structure is insufficient to bear, which causes the pile body 1 to be damaged, thereby solving the technical problems of insufficient buffering performance and easy damage caused by rockfall impact in the prior art.

[0037] Further, the rockfall protection net in the embodiment can be a steel wire rope net, a steel wire grid and other rockfall protection nets known to those skilled in the art; it should be noted that those skilled in the art can specifically select the type of rockfall protection net according to actual use requirements, and the embodiment is not limited further.

[0038] Further, the length of the pile body 1 in the utility model can be 4m to 10m, the width can be 30cm to 50cm, and the thickness can be 20cm to 35cm, the width-thickness ratio is about 3:2, and the material of the pile body 1 can be specifically selected as a steel and a reinforced concrete mixed material.

[0039] Specifically, in the application of the rockfall buffering protection pile body structure in the utility model, a plurality of pile bodies are arranged at intervals on the slope where rockfall protection is needed, the rockfall protection net is hung on the protection net connecting piece 3, and the rockfall protection net is tensioned to form a rockfall protection system for passive protection of rockfall.

[0040] Further, the rockfall buffering protection pile body structure in the utility model can be used for passive protection, and since the rockfall protection net is connected with the elastic buffering piece 2 through the protection net connecting piece 3, the rockfall protection net can be extended and deformed and has stress, so that when active protection is carried out through the rockfall buffering protection pile body structure of the utility model, the rockfall protection net can be effectively attached to the rugged and uneven slope surface, thereby achieving better active protection effect.

[0041] Optionally, the pile body 1 in the utility model comprises two net hanging surfaces 11 facing away from each other; the cavity is arranged along the extension direction of the pile body 1; the protection net connecting piece 3 and the elastic buffering piece 2 are both multiple; the multiple protection net connecting pieces 3 are sequentially arranged on the net hanging surface 11 along the extension direction of the pile body 1, and the protection net connecting pieces 3 have intervals therebetween; the multiple elastic buffering pieces 2 are sequentially fixedly arranged in the cavity along the extension direction of the pile body 1, and the elastic buffering pieces 2 correspond to the protection net connecting pieces 3 one by one.

[0042] In the embodiment, the pile body 1 is provided with the net hanging surfaces 11 facing away from each other, and the protection net connecting pieces 3 are arranged on the two net hanging surfaces 11 respectively; the elastic buffering pieces 2 in the cavity form elastic buffering groups two by two, and the two elastic buffering pieces in the cavity are close to the two net hanging surfaces 11 respectively to connect the protection net connecting pieces 3 on the net hanging surfaces 11 respectively. In the application process, the two net hanging surfaces 11 facing away from each other are used for hanging the rockfall protection net on the two sides of the pile body 1 respectively, and the multiple pile bodies 1 are arranged at intervals to relatively arrange the net hanging surfaces 11, so that the rockfall protection net is hung after the rockfall protection net is hung, and a rockfall protection system is formed to protect the rockfall.

[0043] Optionally, referring to Figure 3 The pile body 1 in the utility model further comprises a partition plate 12, the partition plate 12 divides the cavity into two cavities 13; the protection net connecting pieces 3 on the net hanging surface 11 are multiple rows, each row of the protection net connecting pieces 3 is arranged along the extension direction of the pile body 1, and each row of the protection net connecting pieces 3 is correspondingly arranged with one cavity 13; the multiple elastic buffering pieces 2 are sequentially fixedly arranged in each cavity 13 along the extension direction of the pile body 1.

[0044] In the embodiment, the partition plate 12 divides the cavity into two cavities 13 arranged sequentially; the multiple elastic buffering groups are arranged in the two cavities 13 respectively; on the net hanging surface 11, the multiple protection net connecting pieces 3 form two rows along the extension direction of the pile body 1; the two rows of protection net connecting pieces 3, the elastic buffering pieces 2 in the two cavities 13 are correspondingly connected, and in the use process, two layers of rockfall protection nets can be hung through the two rows of protection net connecting pieces 3, and the rockfall is fully buffered and protected by the two layers of rockfall protection nets.

[0045] Optionally, referring to Figure 4 and Figure 5The elastic buffer 2 in the utility model includes a shell 21, a cover plate 22 and a spring assembly 23; the shell 21 and the cover plate 22 form an accommodating cavity, and the shell 21 is provided with an opening 211; the spring assembly 23 is fixedly arranged in the accommodating cavity and partially extends out of the opening 211, and the part of the spring assembly 23 extending out of the opening 211 is fixedly connected with the protective net connecting piece 3.

[0046] In the embodiment, the elastic buffer 2 includes the shell 21, the cover plate 22 and the spring assembly 23, the spring assembly 23 is arranged in the accommodating cavity of the shell 21 and the cover plate 22, the spring assembly 23 is protected, the spring assembly 23 is prevented from being damaged due to overfast aging, and the risk that the spring assembly 23 is abraded during the buffering process is reduced.

[0047] Further, the shell 21 and the cover plate 22 can be fixed by a plurality of fasteners, for example, referring to Figure 4 A plurality of uniformly distributed screws or bolts can be used for the fixing.

[0048] Optionally, referring to Figure 5 The spring assembly 23 in the utility model includes a fixed column 231, a surrounding baffle 232 and a telescopic spring 233; the fixed column 231 is fixedly arranged at the center position of the accommodating cavity; the surrounding baffle 232 extends to the opening 211 in a spiral shape from the position close to the center of the accommodating cavity, and the surrounding baffle 232 forms a spiral channel with the shell 21 and the cover plate 22; one end of the telescopic spring 233 is fixedly connected to the fixed column 231, and the other end extends out of the opening 211 along the spiral channel and is fixedly connected with the protective net connecting piece 3.

[0049] In the embodiment, the telescopic spring 233 extends in the spiral channel and is fixedly connected with the protective net connecting piece 3 after extending out of the opening 211, so that the space is saved and the restoring force of the telescopic spring 233 is ensured.

[0050] Further, the end of the telescopic spring 233 can be fixedly connected with the protective net connecting piece 3 through a steel wire.

[0051] Optionally, the protective net connecting piece 3 in the utility model includes a connecting rod 31 and a net hanging assembly 32; one end of the connecting rod 31 extends into the cavity and is fixedly connected with the buffer spring 2, and the other end is exposed outside the pile body 1 and is connected with the net hanging assembly 32; the net hanging assembly 32 is used for hanging the rockfall protective net.

[0052] In the embodiment, the protective net connecting piece 3 includes the connecting rod 31 and the net hanging assembly 32, the connecting rod 31 is inserted into the cavity of the pile body 1 and connected with the buffer spring 2, and the net hanging assembly 32 is used for hanging the rockfall protective net.

[0053] Optionally, referring to Figure 6The hanging net assembly 32 in the utility model comprises a base 321, a flip 322 and a locking assembly 323; the base 321 is connected with the connecting rod 31; one side of the base 321 is hinged with the flip 322; the locking assembly 323 is arranged on the other side of the base 321, and the locking assembly 323 is used for locking the flip 322 and the base 321.

[0054] In the embodiment, the flip 322 and the base 321 are adjustably locked through the locking assembly 323; after the connecting meshes of the rockfall protection net are placed between the flip 322 and the base 321 in the using process, the flip 322 and the base 321 are locked through the locking assembly 323, and the hanging of the rockfall protection net is completed.

[0055] Further, the locking assembly 323 in the embodiment can comprise a fastening bolt, a pivot, a gasket and the like structure. It should be noted that the specific structure of the locking assembly 323 belongs to the technical means known by the person skilled in the art, and the beneficial effects thereof are also known by the person skilled in the art, and thus will not be described here.

[0056] Optionally, the connecting rod 31 in the utility model is provided with a threaded hole 311, the lower side of the hanging net assembly 32 is provided with a bolt 324, the bolt 324 is inserted into the threaded hole 311, and the hanging net assembly 32 is detachably connected with the connecting rod 31.

[0057] In the embodiment, the hanging net assembly 32 is detachably connected with the connecting rod 31 through the bolt 324. In the using process, when the hanging net assembly is damaged due to the impact of rockfall, the action of weather such as rain, snow and dust, the hanging net assembly can be disassembled and replaced, thereby avoiding the technical problem that the protection net hook in the prior art is fixed, cannot be replaced after being damaged and the entire protection pile has to be replaced.

[0058] Optionally, the lower end of the pile body 1 in the utility model is provided with a fixed plug-in part 14, and the fixed plug-in part 14 is fixedly arranged along the extension direction of the pile body 1.

[0059] In the embodiment, the fixed plug-in part 14 is arranged at the lower end of the pile body 1, and the pile body 1 can be fixedly installed through the fixed plug-in part 14 when the rockfall buffer protection pile body structure in the utility model is installed. Specifically, the fixed plug-in part 14 can be inserted into the slope or the mounting seat.

[0060] Optionally, referring to Figure 1 The fixed plug-in part 14 in the utility model is provided with a threaded connection hole 15 in the center, and the threaded connection hole 15 is fixedly arranged along the extension direction of the pile body 1.

[0061] In the embodiment, the threaded connection hole 15 is arranged on the fixed plug-in part 14, and the pile body 1 can be further fastened through the threaded connection hole 15 in the using process.

[0062] Further, in the embodiment, a friction structure can be arranged on the outer wall of the fixed connector 14 to increase the friction after installation and improve stability.

[0063] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0064] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A rockfall buffer and protection pile structure, characterized in that, The rockfall buffer protection pile structure includes a pile body (1), an elastic buffer component (2), and a protective net connector (3); A cavity is provided in the pile body (1), and the elastic buffer (2) is fixedly installed in the cavity; The protective net connector (3) penetrates the outer wall of the pile body (1) and is inserted into the cavity, and the protective net connector (3) is connected to the elastic buffer (2).

2. The rockfall buffer and protection pile structure according to claim 1, characterized in that, The pile body (1) includes two opposing mesh hanging surfaces (11); The cavity is provided along the extension direction of the pile body (1); There are multiple protective net connectors (3) and elastic buffers (2); Multiple protective net connectors (3) are sequentially arranged on the hanging net surface (11) along the extension direction of the pile body (1), and there is a gap between the protective net connectors (3); Multiple elastic buffer members (2) are sequentially fixed in the cavity along the extension direction of the pile body (1), and the elastic buffer members (2) correspond one-to-one with the protective net connectors (3).

3. The rockfall buffer and protection pile structure according to claim 2, characterized in that, The pile body (1) also includes a partition plate (12), which divides the cavity into two cavities (13); The protective net connectors (3) are arranged in multiple rows on the hanging net surface (11). Each row of the protective net connectors (3) is arranged along the extension direction of the pile body (1), and each row of the protective net connectors (3) is arranged corresponding to one of the cavities (13). Multiple elastic buffers (2) are sequentially fixed in each cavity (13) along the extension direction of the pile (1).

4. The rockfall buffer and protection pile structure according to claim 1, characterized in that, The elastic buffer (2) includes a housing (21), a cover plate (22), and a spring assembly (23); The housing (21) and the cover plate (22) enclose a receiving cavity, and the housing (21) is provided with an opening (211); The spring assembly (23) is fixedly disposed in the receiving cavity and extends out of the opening (211). The portion of the spring assembly (23) extending out of the opening is fixedly connected to the protective net connector (3).

5. The rockfall buffer and protection pile structure according to claim 4, characterized in that, The spring assembly (23) includes a fixed post (231), a baffle plate (232), and a telescopic spring (233); The fixing column (231) is fixedly installed at the center of the receiving cavity; The baffle (232) extends spirally from near the center of the receiving cavity to the opening (211), and the baffle (232) forms a spiral channel with the housing (21) and the cover plate (22); One end of the telescopic spring (233) is fixedly connected to the fixed post (231), and the other end extends out of the opening (211) along the spiral channel and is fixedly connected to the protective net connector (3).

6. The rockfall buffer and protection pile structure according to claim 1, characterized in that, The protective net connector (3) includes a connecting rod (31) and a net hanging assembly (32); One end of the connecting rod (31) extends into the cavity and is fixedly connected to the elastic buffer (2), while the other end protrudes outside the pile body (1) and is connected to the hanging net assembly (32); The hanging net assembly (32) is used to hang the rockfall protection net.

7. The rockfall buffer and protection pile structure according to claim 6, characterized in that, The hanging net assembly (32) includes a base (321), a flip cover (322), and a locking assembly (323); The base (321) is connected to the connecting rod (31); One side of the base (321) is hinged to the flip cover (322); The locking component (323) is disposed on the other side of the base (321), and the locking component (323) is used to lock the flip cover (322) and the base (321).

8. The rockfall buffer and protection pile structure according to claim 6, characterized in that, The connecting rod (31) is provided with a threaded hole (311), and the lower side of the hanging net assembly (32) is provided with a bolt (324). The bolt (324) is inserted into the threaded hole (311) so that the hanging net assembly (32) and the connecting rod (31) can be detachably connected.

9. The rockfall buffer protection pile structure according to any one of claims 1 to 8, characterized in that, A fixing connector (14) is provided at the lower end of the pile body (1), and the fixing connector (14) is fixedly provided along the extension direction of the pile body (1).

10. The rockfall buffer and protection pile structure according to claim 9, characterized in that, The fixed connector (14) is provided with a threaded connection hole (15) at its center, and the threaded connection hole (15) is fixedly provided along the extension direction of the pile body (1).

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