Frost protected roadbed

By combining a hollow heat dissipation shroud, heat dissipation fins, and airbag sealing, the problems of reverse heat transfer by the heat pipe in high-temperature environments and easy erosion at the connection points are solved, thereby improving the stability and protection effect of the frozen soil subgrade. At the same time, photovoltaic modules are used to provide power and drive the mechanism to clean the photovoltaic panels, ensuring the stable and efficient operation of the device.

CN119332555BActive Publication Date: 2025-12-26HARBIN INST OF TECH
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Patent Information

Application Number
CN202411559519.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-12-26
Estimated Expiration
2044-11-04

AI Technical Summary

Technical Problem

Existing heat pipe technology may transfer heat in reverse under high temperature conditions, affecting the stability of frozen soil subgrades, and the joints are susceptible to erosion by rainwater and impurities, resulting in a decrease in protective effect.

Method used

The system employs a combination of a hollow heat sink and heat dissipation fins with an airbag seal to prevent heat transfer in the reverse direction. Power is supplied by the photovoltaic modules to drive a mechanism that cleans the photovoltaic panels, while a cooling mechanism rapidly cools the system, ensuring the stability and protective effect of the heat pipe.

Benefits of technology

It effectively blocks reverse heat transfer, prevents rainwater and impurities from corroding, ensures the stability of the heat pipe, improves the protection effect, and provides energy-saving and environmentally friendly power through photovoltaic modules to achieve rapid cooling and cleaning functions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a frozen soil roadbed protection device, which comprises a heat rod body, the heat rod body is provided with a heat absorbing section and a heat radiating section connected to the top end of the heat absorbing section, a hollow heat radiating cover is sleeved to the bottom end of the heat radiating section of the heat rod body, and the top end of the heat radiating cover is provided with a plurality of heat radiating fins arranged at intervals; and an air bag is further sleeved to the heat radiating section of the heat rod body and located below the heat radiating cover. In the application, when the external air is relatively high, especially when the sunshine is strong, the surface of the heat radiating section still adheres or absorbs a large amount of heat, the air bag combined with the arrangement of the heat radiating fins can effectively block the heat radiating section from reversely transmitting the heat to the ground and underground, and the heat can be re-emitted to the air from the heat radiating fins, so that the heat radiating efficiency of the embodiment can be effectively ensured.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of roadbed protection, in particular to a frozen soil roadbed protection device. BACKGROUND

[0002] The frozen soil roadbed protection device is mainly used for protecting the road section in the frozen soil area and preventing the frozen soil roadbed from appearing the thawing settlement deformation problem. At present, the heat rod technology is mostly used to protect the frozen soil roadbed. The heat rod usually has a heat absorbing section and a heat dissipating section connected with the top end of the heat absorbing section. Through the evaporation and condensation process of the liquid ammonia in the heat rod, the heat can be efficiently transferred and dissipated, so that the temperature of the roadbed and the frozen soil can be effectively reduced, thereby maintaining the stability of the frozen soil. However, due to the efficient heat conduction of the heat rod, when the external air temperature is high, especially when the sunlight is strong, the heat rod also has the possibility of reversely transferring heat to the roadbed, which will affect the protection effect. In addition, under the condition of outdoor weathering and wind and rain, a large gap is easily generated at the connection between the heat rod and the frozen soil. Through the gap, rainwater and other impurities are easily washed into the heat rod, thereby affecting the stability and heat absorbing effect of the heat rod. SUMMARY

[0003] The purpose of the present application is to provide a frozen soil roadbed protection device to solve the problems raised in the background.

[0004] To achieve the above purpose, the present application provides the following technical scheme: a heat rod body is provided, the heat rod body has a heat absorbing section and a heat dissipating section connected with the top end of the heat absorbing section, a hollow heat dissipation cover is sleeved on the bottom end of the heat dissipating section of the heat rod body, and a plurality of heat dissipation fins are arranged at the top end of the heat dissipation cover.

[0005] The heat rod body is further sleeved with an air bag below the heat dissipation cover on the heat dissipating section.

[0006] Further, a liquid storage tank and a circulating pump communicating with the heat dissipation cover are further included.

[0007] A liquid inlet pipe is in communication between the circulating pump and the liquid storage tank.

[0008] A liquid return pipe is in communication between the liquid storage tank and the heat dissipation cover.

[0009] Further, a cooling mechanism capable of acting on the heat dissipation fins is further arranged on the liquid return pipe.

[0010] The cooling mechanism includes a cooling tank, a cooling fan is rotatably connected to the inner side wall of the cooling tank, and a power mechanism for driving the cooling fan to rotate is arranged in the cooling tank.

[0011] Further, the cooling box is provided with a mounting opening communicated with the liquid return pipe, and the power mechanism comprises a rotating rod rotatably connected in the cooling box and connected with the cooling fan, and a plurality of power baffles capable of facing the liquid return pipe are connected on the annular surface of the rotating rod.

[0012] Further, the air bag is also communicated with an inflation mechanism.

[0013] The inflation mechanism comprises a gas storage tank and a fixed tank sleeved on the gas storage tank, an air inlet pump and an inflation pump are arranged in the fixed tank, the output end of the air inlet pump and the input end of the inflation pump are communicated with the gas storage tank, the input end of the air inlet pump is communicated with an air inlet pipe, a first one-way valve is arranged in the air inlet pipe, the inflation pump is communicated with an inflation pipe, a second one-way valve is arranged in the inflation pipe, and the end of the inflation pipe is communicated with the side wall of the air bag.

[0014] Further, the heat rod body is connected with a photovoltaic assembly at the top end of the heat dissipation section.

[0015] Further, the photovoltaic assembly comprises a first photovoltaic panel, a partition plate is arranged in the middle of the first photovoltaic panel, and a second photovoltaic panel is rotatably connected to the two sides of the first photovoltaic panel, and the two second photovoltaic panels can be inverted and covered on the first photovoltaic panel.

[0016] The photovoltaic assembly further comprises a driving mechanism, and the driving mechanism can synchronously drive the two second photovoltaic panels to rotate outward relative to the first photovoltaic panel.

[0017] Further, a connecting ear group is arranged on each side of the first photovoltaic panel, each connecting ear group comprises two symmetrically arranged connecting ears, a rotating shaft is rotatably connected to the connecting ear, and the rotating shaft is connected with a rotating ear located between the two connecting ears and connected with the second photovoltaic panel.

[0018] The driving mechanism comprises a lifting plate and a pushing mechanism for driving the lifting plate to move up and down.

[0019] The lifting plate is connected with a lifting linkage assembly at both ends, the lifting linkage assembly comprises a connecting frame, the end of the connecting frame is connected with a mounting plate, a gear rack is mounted on the inner side of the mounting plate, and the lifting linkage assembly further comprises a gear sleeved on the rotating shaft and engaged with the gear rack.

[0020] Further, two symmetrically arranged sliding grooves are formed in the lifting plate, and the sliding groove comprises a vertical groove and an inclined groove connected in sequence.

[0021] The cleaning mechanism further comprises two symmetrically arranged cleaning assemblies, and the cleaning assembly has a sliding pin capable of being placed in and slidingly matched with the sliding groove.

[0022] The cleaning assembly comprises a cleaning plate between the first photovoltaic panel and the second photovoltaic panel, the top end and the bottom end of the cleaning plate are provided with brushes, the inner side end of the cleaning plate is fixedly connected with the brushes at the top and the bottom of the cleaning plate through the telescopic cover, and the side wall of each cleaning plate is fixedly connected with the telescopic cover connected with the partition plate.

[0023] Further, the sliding limiting mechanism is further included;

[0024] The sliding limiting mechanism comprises two limiting seats connected at the two ends of the first photovoltaic panel respectively, and the same guide rod is connected between the two limiting seats, and each cleaning plate is connected with a sliding block sleeved on the guide rod and slidable relative to the guide rod.

[0025] The sliding pin is connected on the sliding block.

[0026] Compared with the prior art, the beneficial effects of the present application are:

[0027] 1、In the present application, when the external air is relatively high, especially when the sunlight is strong, the surface of the heat dissipation section will still attach or absorb a large amount of heat. The inflatable air bag combined with the arrangement of the heat dissipation fins can effectively block the heat dissipation section from transferring the aforementioned heat to the ground and underground. The aforementioned heat can be re-emitted to the air from the heat dissipation fins, thereby effectively ensuring the heat dissipation efficiency of the present embodiment. In addition, after the air bag is inflated and expanded, it abuts against the permafrost surface, thereby sealing the connection between the heat rod body and the permafrost. In addition to hot air, rainwater or other impurities can also be prevented from entering the foundation from the connection, thereby reducing the erosion of rainwater and making the heat rod body more stable and reliable, thereby ensuring good protection effect.

[0028] 2、In the present application, the photovoltaic assembly can provide power for each active functional structure. When the sunlight is sufficient, the driving mechanism can drive the lifting plate to move downward through the pushing mechanism, so that the first photovoltaic panel and the second photovoltaic panel are in an unfolded state to fully receive solar energy. When there is no light, the lifting plate is driven to move upward through the pushing mechanism, so that the two second photovoltaic panels are reset to a storage state. In this way, impurities can be prevented from accumulating on the working surfaces of the first photovoltaic panel and the second photovoltaic panel. At the same time, through the cooperation of the sliding pin and the lifting plate, the two cleaning assemblies can be driven to move in opposite directions or away from each other. In this way, the cleaning work of the working surfaces of the first photovoltaic panel and the second photovoltaic panel can be realized without affecting the charging work of the first photovoltaic panel and the second photovoltaic panel. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a schematic diagram of the use state of the present application;

[0030] Figure 2 It is a schematic diagram of the overall structure of the present application;

[0031] Figure 3 Fig. 6 is a schematic view of a partial cross-sectional structure of the cooling box in the present application;

[0032] Figure 4 Fig. 7 is a schematic view of an enlarged structure at B in Fig. 6; Figure 1

[0033] Figure 5 Fig. 8 is a schematic view of an enlarged structure at D in Fig. 6; Figure 3

[0034] Figure 6 Fig. 9 is a schematic view of a structure of the inflating mechanism in the present application;

[0035] Figure 7 Fig. 10 is a schematic view of an enlarged structure at A in Fig. 9; Figure 1

[0036] Fig. 11 is a schematic view of an enlarged structure at E in Fig. 9; Figure 8 Figure 7 Fig. 12 is a schematic view of an enlarged structure at G in Fig. 9;

[0037] Figure 9 Figure 8 Fig. 13 is a schematic view of an enlarged structure at C in Fig. 9;

[0038] Figure 10 Fig. 14 is a schematic view of an enlarged structure at F in Fig. 9. Figure 2

[0039] Figure 11 Figure 10 Fig. 15 is a schematic view of an enlarged structure at F in Fig. 9.

[0040] ​​​​​​In the figure: 1, hot rod body; 2, sliding limiting mechanism; 201, limiting seat; 202, guide rod; 203, sliding block; 3, driving mechanism; 301, L-shaped plate; 302, pushing mechanism; 303, lifting plate; 304, inclined groove; 305, sliding pin; 306, vertical groove; 4, lifting linkage assembly; 401, gear; 402, connecting frame; 403, mounting plate; 404, rack; 5, cooling mechanism; 501, mounting port; 502, cooling box; 503, cooling fan; 6, power mechanism; 601, rotating rod; 602, power baffle; 701, support plate; 702, support ring; 8, buffer mechanism; 801, connecting block; 802, T-shaped guide rod; 803, buffer spring; 9, traction mechanism; 901, traction block; 902, traction rope; 10, limiting mechanism; 1001, support seat; 1002, rotating pin; 1003, guide wheel; 11, first photovoltaic panel; 12, second photovoltaic panel; 13, partition plate; 14, heat sink; 15, liquid storage tank; 16, heat dissipation fin; 17, circulating pump; 18, liquid inlet pipe; 19, liquid return pipe; 20, cleaning mechanism; 2001, cleaning plate; 2002, brush; 2003, telescopic cover; 21, air bag; 22, inflating mechanism; 2201, support frame; 2202, fixed tank; 2203, air inlet pipe; 2204, inflating pipe; 2205, air storage tank; 2206, air inlet pump; 2207, inflating pump; 23, connecting lug; 24, rotating shaft; 25, rotating lug. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present application will be described clearly and completely 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. 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.

[0042] Please refer to Figures 1-11 The present application provides a technical solution: a frozen soil roadbed protection device, comprising a hot rod body 1, the hot rod body 1 having a heat absorption section and a heat dissipation section connected to the top end of the heat absorption section, characterized in that: the bottom end of the heat dissipation section of the hot rod body 1 is sleeved with a hollow heat sink 14, and the top end of the heat sink 14 is provided with a plurality of heat dissipation fins 16 arranged at intervals.

[0043] The hot rod body 1 is also sleeved with an air bag 21 below the heat sink 14 on the heat dissipation section.

[0044] After assembly, the heat absorption section is buried underground, the heat dissipation section is exposed to the ground, the air bag is in an inflated state, the air bag 21 can abut on the ground, and the heat dissipation fins 16 are located above the air bag 21.

[0045] When the present embodiment is applied, the working principle of the heat rod body 1 is that the liquid ammonia arranged therein absorbs the heat of the frozen soil underground, and then vaporizes and carries the heat to the upper heat dissipation section for heat dissipation operation. When the heat is taken away by the air, the liquid ammonia cools down and becomes liquid again, and flows back to the heat absorption section for continuous operation. However, when the outside air temperature is high, especially when the sunlight is strong, the surface of the heat dissipation section will still absorb a large amount of heat. The air bag 21 combined with the heat dissipation fins 16 can effectively block the heat from being transferred to the ground and underground, and the heat can be dissipated from the heat dissipation fins 16 to the air again, so as to effectively ensure the heat dissipation efficiency of the present embodiment.

[0046] In addition, the air bag 21 is inflated and abuts against the surface of the frozen soil, so as to seal the connection between the heat rod body 1 and the frozen soil. In addition to the hot air, rainwater or other impurities can also be prevented from entering the foundation from the connection, so as to reduce the erosion of rainwater, and make the heat rod body 1 more stable and reliable, and ensure good protection effect.

[0047] Preferably, the heat dissipation device further comprises a liquid storage tank 15 and a circulating pump 17 connected with the heat dissipation cover 14.

[0048] The circulating pump 17 is connected with the liquid storage tank 15 through a liquid inlet pipe 18.

[0049] The liquid storage tank 15 is connected with the heat dissipation cover 14 through a liquid return pipe 19.

[0050] In the present embodiment, in order to quickly cool the heat dissipation cover 14, a liquid storage tank 15 can be arranged outside the heat rod body 1. The liquid storage tank 15 can be buried underground and controlled by a special control system, such as low temperature or dosage. One liquid storage tank 15 can be connected with multiple heat rod bodies 1, and is not limited to one heat rod body 1.

[0051] When applied, the circulating pump 17 is started, and then the liquid inlet pipe 18, the heat dissipation cover 14 and the liquid return pipe 19 form a circulating flow, so as to realize the rapid cooling of the heat dissipation cover 14 through heat exchange principle. The cooling medium in the liquid storage tank 15 can be oil or other safe cooling medium.

[0052] The present embodiment is a special remedy for extreme weather.

[0053] Preferably, the liquid return pipe 19 is further provided with a cooling mechanism 5 capable of acting on the heat dissipation fins 16.

[0054] The cooling mechanism 5 comprises a cooling box 502, and a cooling fan 503 rotatably connected to the inner side wall of the cooling box 502. A power mechanism 6 is arranged in the cooling box 502 for driving the cooling fan 503 to rotate.

[0055] In the embodiment, the power mechanism 6 can be an electric motor. The starting of the motor can drive the cooling fan 503 to rotate, so as to cool the heat sink 14 by air flow.

[0056] Preferably, the cooling box 502 is provided with a mounting opening 501 communicated with the liquid return pipe 19. The power mechanism 6 comprises a rotating rod 601 rotatably connected in the cooling box 502 and connected with the cooling fan 503. The rotating rod 601 is provided with a plurality of power baffles 602 capable of facing the liquid return pipe 19.

[0057] In the embodiment, when the cooling medium flows in the liquid return pipe 19, the power baffle 602 drives the rotating rod 601 to rotate, and then drives the cooling fan 503 to rotate, so as to cool the heat sink 14.

[0058] Preferably, the air bag 21 is further communicated with an inflation mechanism 22.

[0059] The inflation mechanism 22 comprises a gas storage tank 2205 and a fixed tank 2202 sleeved on the gas storage tank 2205. The fixed tank 2202 is provided with an air inlet pump 2206 and an inflation pump 2207. The output end of the air inlet pump 2206 and the input end of the inflation pump 2207 are both communicated with the gas storage tank 2205. The input end of the air inlet pump 2206 is communicated with an air inlet pipe 2203 provided with a first one-way valve. The inflation pump 2207 is communicated with an inflation pipe 2204 provided with a second one-way valve. The end of the inflation pipe 2204 is communicated with the side wall of the air bag 21.

[0060] In the embodiment, the first one-way valve is opened, the second one-way valve is closed, and the air inlet pump 2206 is started to inject gas into the gas storage tank 2205. The second one-way valve is opened, the first one-way valve is closed, and the inflation pump 2207 is started to inflate the air bag 21.

[0061] The inflation of the air bag 21 can be realized by the embodiment to solve the problem of accidental leakage of the air bag 21.

[0062] In order to realize the installation of the gas storage tank 2205 and the fixed tank 2202, a support frame 2201 for supporting the fixed tank 2202 can be connected to the side wall of the heat sink 14. A support ring 702 can be sleeved on the heat rod body 1, and the support ring 702 is provided with a support plate 701 for supporting the gas storage tank 2205.

[0063] When the inflation mechanism 22 is inflated, in order to avoid the large shaking caused by air flow, the embodiment further comprises a buffer mechanism 8. The buffer mechanism 8 comprises a connecting block 801 connected to the side wall of the heat rod body 1. A T-shaped guide rod 802 is arranged between the connecting block 801 and the support ring 702. A buffer spring 803 is sleeved on the T-shaped guide rod 802.

[0064] Preferably, the heat rod body 1 is connected with a photovoltaic assembly at the top end of the heat dissipation section.

[0065] In this embodiment, the photovoltaic assembly is used to provide power supply for each active functional structure.

[0066] Preferably, the photovoltaic assembly comprises a first photovoltaic panel 11, a partition plate 13 arranged at the middle of the first photovoltaic panel 11, and two second photovoltaic panels 12 rotatably connected to the two sides of the first photovoltaic panel 11, the two second photovoltaic panels 12 being capable of being invertedly buckled on the first photovoltaic panel 11.

[0067] The photovoltaic assembly further comprises a driving mechanism 3, which is capable of synchronously driving the two second photovoltaic panels 12 to rotate outward relative to the first photovoltaic panel 11.

[0068] In this embodiment, when the sunlight is sufficient, the two second photovoltaic panels 12 can be driven by the driving mechanism 3 to rotate, so as to be in an unfolded state, thereby being capable of utilizing solar energy, being more energy-saving and environment-friendly, and thus reducing the heat of the heat rod body 1; when there is no light, the two second photovoltaic panels 12 are driven by the driving mechanism 3 to reset and be invertedly buckled on the first photovoltaic panel 11, so as to be in a storage state, thereby being capable of avoiding impurities from gathering on the working surfaces of the first photovoltaic panel 11 and the second photovoltaic panel 12.

[0069] Preferably, the two sides of the first photovoltaic panel 11 are each provided with a connecting ear group, each connecting ear group comprising two symmetrically arranged connecting ears 23, a rotating shaft 24 rotatably connected to the connecting ears 23, and a rotating ear 25 connected to the second photovoltaic panel 12 and connected to the rotating shaft 24.

[0070] The driving mechanism 3 comprises a lifting plate 303 and a pushing mechanism 302 for driving the lifting plate 303 to move up and down.

[0071] The two ends of the lifting plate 303 are each connected with a lifting linkage assembly 4, the lifting linkage assembly 4 comprising a connecting frame 402, an installation plate 403 connected to the end of the connecting frame 402, a gear rack 404 mounted on the inner side end of the installation plate 403, and a gear 401 sleeved on the rotating shaft 24 and engaged with the gear rack 404.

[0072] In this embodiment, the pushing mechanism 302 can directly use an electric push rod to drive the lifting plate 303 to move up and down; the pushing mechanism 302 can also use a combination of a motor, a lead screw connected to the motor, and a nut tube sleeved on the lead screw to drive the lifting plate 303 to move up and down, specifically, the motor is started, the lead screw is rotated, and the nut tube is driven to move up and down by the thread cooperation between the nut tube and the lead screw, thereby driving the lifting plate 303 to move up and down.

[0073] In order to realize the installation of the pushing mechanism, the bottom of the first photovoltaic panel 11 is connected with an L-shaped plate 301 for supporting the pushing mechanism.

[0074] When the pushing mechanism 302 drives the lifting plate 303 to move downward, the racks 404 in the two sets of lifting linkage assemblies 4 also move downward, and through the cooperation of the racks 404 and the gears 401, the two second photovoltaic panels 12 can be driven to rotate until they are in the unfolded state. When there is no light, the lifting plate 303 is moved upward through the pushing mechanism 302, so that the two second photovoltaic panels 12 can be driven to rotate to the storage state, avoiding the accumulation of impurities on their surface.

[0075] In order to improve stability, the embodiment also provides a traction mechanism 9, which includes a traction block 901 connected to the bottom end of the lifting plate 303 and a traction rope 902 with elasticity, one end of the traction rope 902 is connected to the traction block 901, and the other end passes through the L-shaped plate 301 and is connected to the supporting ring 702. In order to ensure the tension of the traction rope 902, the L-shaped plate 301 is also provided with a limiting mechanism 10 acting on the traction rope 902, the limiting mechanism 10 includes a supporting seat 1001 connected to the L-shaped plate 301, and the supporting seat 1001 is connected with a guide wheel 1003 for limiting the traction rope 902 through a rotating pin 1002. When the lifting plate 303 moves up and down under the action of the pushing mechanism 302, the traction rope 902 can play a certain traction effect on the lifting plate 303 through its own deformation force.

[0076] Preferably, two symmetrical sliding grooves are formed in the lifting plate 303, and the sliding grooves include a vertical groove 306 and a slanted groove 304 connected in head-to-tail manner;

[0077] The cleaning mechanism 20 also includes two sets of symmetrical cleaning assemblies, and the cleaning assemblies have sliding pins 305 capable of being placed in sliding cooperation with the sliding grooves;

[0078] The cleaning assembly includes a cleaning plate 2001 located between the first photovoltaic panel 11 and the second photovoltaic panel 12, and the top end and the bottom end of the cleaning plate 2001 are provided with brushes 2002. The inner side end of the cleaning plate 2001 is fixedly connected with the brushes 2002 on the top and the bottom of the cleaning plate 2001 through the telescopic covers 2003, and the side walls of each cleaning plate 2001 are fixedly connected with the telescopic covers 2003 connected with the partition plates 13.

[0079] In the embodiment, when the lifting plate 303 moves downward under the action of the pushing mechanism 302, the two cleaning assemblies move toward the direction of the partition plate 13 by the cooperation of the sliding pin 305 and the sliding groove, specifically, the sliding pin 305 slides along the inclined groove 304, and the brush 2002 can clean the first photovoltaic panel 11 and the second photovoltaic panel 12. The telescopic cover 2003 can move aside by the telescopic property to make room for the movement of the cleaning plate 2001. When the cleaning plate 2001 is at the limit position close to the partition plate 13, the sliding pin 305 slides along the vertical groove 306 with the continuous downward movement of the lifting plate 303, at this time, the rack 404 is engaged with the gear 401, thereby driving the rotating shaft 24 to rotate the second photovoltaic panel 12 to unfold the second photovoltaic panel 12, so that the first photovoltaic panel 11 and the second photovoltaic panel 12 can fully receive solar energy.

[0080] Preferably, the sliding limiting mechanism 2 is further included;

[0081] The sliding limiting mechanism 2 includes two limiting seats 201 connected to the two ends of the first photovoltaic panel 11 respectively, and the same guide rod 202 is connected between the two limiting seats 201, and each cleaning plate 2001 is connected with a sliding block 203 sleeved on the guide rod 202 and can slide relative to the guide rod 202.

[0082] The sliding pin 305 is connected to the sliding block 203.

[0083] In the embodiment, the cooperation of the sliding block 203 and the guide rod 202 can improve the stability of the movement of the two cleaning plates 2001.

Claims

1. A device for protecting a permafrost roadbed, comprising a heat rod body (1) having a heat absorbing section and a heat dissipating section connected to the top end of the heat absorbing section, characterized in that: The heat rod body (1) is sleeved with a hollow heat dissipation cover (14) at the bottom end of the heat dissipation section, and the top end of the heat dissipation cover (14) is provided with a plurality of heat dissipation fins (16) arranged at intervals; The heat rod body (1) is further sleeved with an air bag (21) below the heat dissipation cover (14) on the heat dissipation section; The heat rod body (1) is connected with a photovoltaic assembly at the top end of the heat dissipation section; The photovoltaic assembly comprises a first photovoltaic panel (11), the middle part of the first photovoltaic panel (11) is provided with a partition plate (13), and both sides of the first photovoltaic panel (11) are rotatably connected with a second photovoltaic panel (12), and the two second photovoltaic panels (12) can be inverted and covered on the first photovoltaic panel (11); The photovoltaic assembly further comprises a driving mechanism (3), which can synchronously drive the two second photovoltaic panels (12) to rotate outward relative to the first photovoltaic panel (11); Both sides of the first photovoltaic panel (11) are provided with a connecting ear group, each connecting ear group comprises two symmetrically arranged connecting ears (23), the connecting ears (23) are rotatably connected with a rotating shaft (24), and the rotating shaft (24) is connected with a rotating ear (25) located between the two connecting ears (23) and connected with the second photovoltaic panel (12); The driving mechanism (3) comprises a lifting plate (303) and a pushing mechanism for driving the lifting plate (303) to move up and down; Both ends of the lifting plate (303) are connected with a lifting linkage assembly (4), the lifting linkage assembly (4) comprises a connecting frame (402), the distal end of the connecting frame (402) is connected with a mounting plate (403), the inner side end of the mounting plate (403) is provided with a rack (404), and the lifting linkage assembly (4) further comprises a gear (401) sleeved on the rotating shaft (24) and engaged with the rack (404); Two symmetrically arranged sliding grooves are formed in the lifting plate (303), and the sliding grooves comprise a vertical groove (306) and an inclined groove (304) connected in series; Further comprising a cleaning mechanism (20), the cleaning mechanism (20) comprises two groups of symmetrically arranged cleaning assemblies, and the cleaning assembly has a sliding pin (305) capable of being placed in the sliding groove for sliding cooperation; The cleaning assembly comprises a cleaning plate (2001) located between the first photovoltaic panel (11) and the second photovoltaic panel (12), the top end and the bottom end of the cleaning plate (2001) are provided with brushes (2002), the inner side end of the cleaning plate (2001) is connected with the brushes (2002) on the top and the bottom of the cleaning plate (2001) through the telescopic cover (2003), and the side wall of each cleaning plate (2001) is fixedly connected with the telescopic cover (2003) connected with the partition plate (13).

2. The frozen ground embankment protection apparatus according to claim 1, wherein: Further comprising a liquid storage tank (15) and a circulating pump (17) communicating with the heat dissipation cover (14); The circulating pump (17) and the liquid storage tank (15) are communicated through a liquid inlet pipe (18); The liquid storage tank (15) and the heat dissipation cover (14) are communicated through a liquid return pipe (19).

3. The frozen ground embankment protection apparatus according to claim 2, wherein: The liquid return pipe (19) is further provided with a cooling mechanism (5) capable of acting on the heat dissipation fin (16); The cooling mechanism (5) comprises a cooling box (502), the inner side wall of the cooling box (502) is rotatably connected with a cooling fan (503), and the cooling box (502) is provided with a power mechanism (6) for driving the cooling fan (503) to rotate.

4. The frozen ground embankment protection apparatus according to claim 3, wherein: The cooling box (502) is provided with a mounting port (501) communicated with the liquid return pipe (19), the power mechanism (6) comprises a rotating rod (601) rotatably connected in the cooling box (502) and connected with the cooling fan (503), and the annular surface of the rotating rod (601) is connected with a plurality of power baffles (602) capable of facing the liquid return pipe (19).

5. The frozen ground roadbed protection device according to claim 1, characterized by: The air bag (21) is also communicated with an inflating mechanism (22); The inflating mechanism (22) comprises a gas storage tank (2205) and a fixed tank (2202) sleeved on the gas storage tank (2205), the fixed tank (2202) is provided with an air inlet pump (2206) and an inflating pump (2207), the output end of the air inlet pump (2206) and the input end of the inflating pump (2207) are communicated with the gas storage tank (2205), the input end of the air inlet pump (2206) is communicated with an air inlet pipe (2203), the air inlet pipe (2203) is provided with a first one-way valve, the inflating pump (2207) is communicated with an inflating pipe (2204), the inflating pipe (2204) is provided with a second one-way valve, and the tail end of the inflating pipe (2204) is communicated with the side wall of the air bag (21).

6. The frozen ground roadbed protection device according to claim 1, characterized by: Further comprising a sliding limiting mechanism (2); The sliding limiting mechanism (2) comprises two limiting seats (201) connected at the two ends of the first photovoltaic panel (11) respectively, the two limiting seats (201) are connected with the same guide rod (202), each cleaning plate (2001) is connected with a sliding block (203) sleeved on the guide rod (202) and capable of sliding relative to the guide rod (202); The sliding pin (305) is connected on the sliding block (203).

Citation Information

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