Double-buffered train floating floor shock absorber

Abstract

The present invention relates to the technical field related to trains. The present invention discloses a double-buffered floating floor shock absorber for trains, which includes a buffer box. A cylinder is fixed to the bottom of the buffer box. The cylinder penetrates through the bottom of the buffer box. A fourth piston block is slidably connected in the cylinder. A liquid storage tank is fixed to the bottom of the buffer box. A cooling mechanism is arranged on the outer side of the liquid storage tank. For this double-buffered floating floor shock absorber for trains, during the running of the train, the buffer spring expands and contracts, and the piston plate slides up and down in the buffer box. When the piston plate moves downward, the first through hole automatically opens. When the piston plate moves upward, the second through hole automatically opens. Since the second through hole is always smaller than the first through hole, the upward movement distance of the piston plate each time is less than the downward movement distance, which facilitates achieving the effect of buffering and shock absorption. There is gas stored in the cylinder, and the fourth piston block reciprocates in the cylinder. The compression and release of the gas generate damping force to attenuate the vibration, which facilitates achieving the effect of double buffering.

Description

Technical Field

[0001] The present invention relates to the technical field of trains, and specifically to a floating floor shock absorber for trains with dual buffering. Background Art

[0002] A train, that is, a formation of carriages, is divided into two major types: railway trains, that is, trains, which is the general form; and road trains, that is, articulated vehicles, vehicle formations, and road vehicle formations. Trains are the most important mechanical means of transportation in human history. In the early days, they were called steam locomotives, also known as trains. During the use of trains, in order to avoid vibrations and the noise generated by vibrations, a floating structure system, that is, a floating floor, is usually adopted.

[0003] The buffering effect of existing shock absorbers is generally relatively fixed, difficult to adjust flexibly, and it is difficult to achieve the effect of dual buffering. In view of the above problems, it is necessary to improve the existing equipment. Summary of the Invention

[0004] The purpose of the present invention is to provide a floating floor shock absorber for trains with dual buffering, so as to solve the problems in the above background art that the buffering effect of existing shock absorbers is generally relatively fixed, difficult to adjust flexibly, and it is difficult to achieve the effect of dual buffering.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A floating floor shock absorber for trains with dual buffering, including a buffer box. An installation frame is fixed at the bottom of the buffer box. The top of the buffer box is connected to a mounting plate through a buffer spring. A buffer mechanism is fixed to the bottom of the mounting plate. The buffer mechanism includes a damping rod. The damping rod penetrates through the top of the buffer box. The buffer spring is wrapped around the outside of the damping rod. A piston plate is fixed to the bottom of the damping rod. The piston plate is slidably connected inside the buffer box. The piston plate is provided with a first through hole and a second through hole.

[0006] A cylinder is fixed to the bottom of the buffer box. The cylinder penetrates through the bottom of the buffer box. A fourth piston block is slidably connected inside the cylinder. A liquid storage tank is fixed to the bottom of the buffer box. A cooling mechanism is arranged outside the liquid storage tank.

[0007] Preferably, grooves are provided on both the upper end face and the lower end face of the piston plate, and a first compression spring is fixed inside the grooves. The inner end of the first compression spring is fixed to a movable column, and the movable column is slidably connected inside the groove. The first compression spring is wrapped around the outside of the movable column, and the movable column penetrates through the end face of the piston plate and is connected to a sealing plate.

[0008] By adopting the above technical solution, the device is installed on the train. During the running of the train, the piston plate slides up and down in the buffer box, and the first through hole and the second through hole are opened alternately. Since the second through hole is smaller than the first through hole, the upward movement distance of the piston plate each time is less than the downward movement distance, and the buffering effect can be achieved.

[0009] Preferably, a first oil groove is formed in the piston plate, and a first piston block is slidably connected in the first oil groove. A second piston block is fixed to the bottom of the first piston block, and the second piston blocks are circumferentially and evenly distributed on the first piston block. The bottom of the second piston block is connected to a third piston block through a connecting rope. A second oil groove is formed in the piston plate, and the second piston block and the third piston block are both slidably connected in the second oil groove.

[0010] By adopting the above technical solution, when the first piston block and the second piston block move up and down as a whole, the third piston block slides in the second oil groove.

[0011] Preferably, a rotating cylinder is rotatably connected in the second oil groove, and the connecting rope bypasses the rotating cylinder.

[0012] By adopting the above technical solution, the rotating cylinder plays a role in supporting and guiding the connecting rope.

[0013] Preferably, a baffle is fixed to the outer end face of the third piston block, and a third through hole and a fourth through hole are formed in the baffle. The third through hole communicates with the first through hole, and the fourth through hole communicates with the second through hole. The first through hole and the second through hole are both circumferentially and evenly distributed on the piston plate.

[0014] By adopting the above technical solution, the movement of the baffle can adjust the opening sizes of the first through hole and the second through hole.

[0015] Preferably, a limiting plate is fixed in the air cylinder, and the limiting plate penetrates through the fourth piston block.

[0016] By adopting the above technical solution, the limiting plate plays a role in limiting the fourth piston block.

[0017] Preferably, the cooling mechanism includes a support box, and the support box is fixed to the bottom of the liquid storage tank. An electric telescopic column is fixed to the front inner wall of the support box, and an extrusion rod is fixed to the rear end of the electric telescopic column. A fifth piston block is fixed to the rear end of the extrusion rod. An oil cylinder is fixed to the rear side of the support box, and the fifth piston block is slidably connected in the oil cylinder. A connecting pipe is fixed to the rear side of the oil cylinder, and the connecting pipe penetrates through the mounting plate and the damping rod and communicates with the first oil groove.

[0018] By adopting the above technical solution, when the extrusion rod moves backward, the fifth piston block moves backward and the first piston block moves downward.

[0019] Preferably, second compression springs are symmetrically fixed on two inner walls of the support box, and movable blocks are fixed at inner ends of the second compression springs. The movable blocks are wedge-fittingly connected to the extrusion rods, and the outer sides of the movable blocks are connected to the heat conduction plates through connecting frames. The heat conduction plates are slidably connected to the outer side of the liquid storage tank, and the heat conduction plates are circumferentially and evenly distributed on the liquid storage tank. Heat conduction fins are fixed on outer end faces of the heat conduction plates, and the heat conduction fins are evenly distributed on the heat conduction plates at equal intervals. Arc-shaped channels are formed in the heat conduction fins, and the arc-shaped channels are evenly distributed on the heat conduction fins at equal intervals, and the bending directions of the arc-shaped channels on two adjacent heat conduction fins are opposite.

[0020] By adopting the above technical solution, when the extrusion rod moves backward, the movable blocks, the connecting frames, the heat conduction plates and the heat conduction fins move as a whole, which is convenient for increasing the unfolding area of the heat conduction fins.

[0021] Preferably, a slideway is formed in the bottom of the liquid storage tank, and the connecting frame penetrates through the slideway.

[0022] By adopting the above technical solution, the slideway is used to limit the connecting frame.

[0023] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0024] 1. For the double-buffered train floating floor shock absorber, through the mutual cooperation of the buffer box, the buffer spring, the piston plate, the first through hole, the second through hole, the baffle, the air cylinder and the fourth piston block, the purposes of double buffering and adjustable buffer effect can be achieved. After installing the device on the train carriage and the driving seat, during the running of the train, the buffer spring expands and contracts, hydraulic oil is stored in the buffer box, the piston plate slides up and down in the buffer box. When the piston plate moves downward, the first through hole automatically opens. When the piston plate moves upward, the second through hole automatically opens. Since the second through hole is always smaller than the first through hole, the upward movement distance of the piston plate each time is less than the downward movement distance, which is convenient for achieving the buffer and shock absorption effect. Gas is stored in the air cylinder, the fourth piston block reciprocates in the air cylinder, and the compression and release of the gas generate damping force to attenuate the vibration, which is convenient for achieving the double buffering effect. The baffle is movable, which is convenient for adjusting the sizes of the first through hole and the second through hole, thereby adjusting the buffer effect.

[0025] 2. For the double-buffered train floating floor shock absorber, through the mutual cooperation of the air cylinder, the fourth piston block, the liquid storage tank, the heat conduction plate, the heat conduction fin and the arc-shaped channel, the purpose of cooling and heat dissipation can be achieved. When the fourth piston block moves downward, the gas in the air cylinder is compressed, and the compressed gas gets hot. Coolant is stored in the liquid storage tank and can be used to cool the gas. The heat conduction plate and the heat conduction fin are used in combination to achieve the heat conduction effect, and the wind shuttles in the arc-shaped channel, which is convenient for achieving the heat dissipation effect.

[0026] 3. The double-buffered floating floor shock absorber for trains, through the coordinated use of the piston plate, the first through hole, the second through hole, the second piston block, the third piston block, the baffle plate, the extrusion rod, the fifth piston block, the movable block, the connecting frame, the heat conduction plate and the heat conduction fin, can achieve the purpose that the heat dissipation intensity increases with the increase of the buffering effect. When the extrusion rod moves backward, the fifth piston block moves backward, the piston plate and the second piston block move downward, the third piston block and the baffle plate move, and at the same time, the extrusion rod squeezes the movable block, and the connecting frame, the heat conduction plate and the heat conduction fin move. The greater the moving distance of the baffle plate, the greater the opening degree of the first through hole and the second through hole, the better the buffering effect, and the larger the unfolding area of the heat conduction fin, the better the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a rear three-dimensional structural schematic diagram of the present invention;

[0028] Figure 2 is a front cross-sectional structural schematic diagram of the present invention;

[0029] Figure 3 is a structural schematic diagram of the buffering mechanism of the present invention;

[0030] Figure 4 is a structural schematic diagram of the connection of the first piston block, the second piston block, the connecting rope, the third piston block, the baffle plate, the third through hole and the fourth through hole of the present invention;

[0031] Figure 5 is a structural schematic diagram of the connection of the damping rod, the piston plate, the second through hole, the sealing plate and the connecting pipe of the present invention;

[0032] Figure 6 is a structural schematic diagram of the connection of the support box, the electric telescopic column, the extrusion rod, the fifth piston block, the oil cylinder, the connecting pipe, the second compression spring, the movable block and the connecting frame of the present invention;

[0033] Figure 7 is a structural schematic diagram of the connection of the heat conduction plate, the heat conduction fin and the arc-shaped channel of the present invention;

[0034] Figure 8 is a structural schematic diagram of the connection of the air cylinder, the limit plate and the fourth piston block of the present invention.

[0035] In the figure: 1, buffer box; 2, mounting bracket; 3, buffer spring; 4, mounting plate; 5, buffer mechanism; 501, damping rod; 502, piston plate; 503, first through hole; 504, second through hole; 505, groove; 506, first compression spring; 507, movable column; 508, sealing plate; 509, first oil groove; 510, first piston block; 511, second piston block; 512, second oil groove; 513, connecting rope; 514, third piston block; 515, rotating cylinder; 516, baffle; 517, third through hole; 518, fourth through hole; 6, cylinder; 7, limiting plate; 8, fourth piston block; 9, liquid storage tank; 10, cooling mechanism; 1001, support box; 1002, electric telescopic column; 1003, extrusion rod; 1004, fifth piston block; 1005, oil cylinder; 1006, connecting pipe; 1007, second compression spring; 1008, movable block; 1009, connecting frame; 1010, heat conducting plate; 1011, slideway; 1012, heat conducting sheet; 1013, arc-shaped channel. Detailed implementation mode

[0036] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0037] Please refer to Figures 1 to 8 , the present invention provides a technical solution: a double-buffered train floating floor shock absorber, including a buffer box 1, a mounting bracket 2 is fixed at the bottom of the buffer box 1, the top of the buffer box 1 is connected to the mounting plate 4 through a buffer spring 3, a buffer mechanism 5 is fixed at the bottom of the mounting plate 4, the buffer mechanism 5 includes a damping rod 501, the damping rod 501 penetrates through the top of the buffer box 1, the buffer spring 3 is wrapped outside the damping rod 501, the bottom of the damping rod 501 is fixed with a piston plate 502, the piston plate 502 is slidably connected in the buffer box 1, and a first through hole 503 and a second through hole 504 are opened on the piston plate 502.

[0038] A cylinder 6 is fixed at the bottom of the buffer box 1, the cylinder 6 penetrates through the bottom of the buffer box 1, a fourth piston block 8 is slidably connected in the cylinder 6, a liquid storage tank 9 is fixed at the bottom of the buffer box 1, and a cooling mechanism 10 is arranged outside the liquid storage tank 9.

[0039] In this embodiment, as Figure 2 , Figure 3 and Figure 5As shown, grooves 505 are provided on both the upper end face and the lower end face of the piston plate 502, and a first compression spring 506 is fixed in the groove 505. The inner end of the first compression spring 506 is fixed with a movable column 507, and the movable column 507 is slidably connected in the groove 505. The first compression spring 506 is wrapped around the outside of the movable column 507, and the movable column 507 penetrates the end face of the piston plate 502 and is connected to the sealing plate 508. The first compression spring 506 acts to support the sealing plate 508. This device is installed on a train. During the running of the train, the piston plate 502 moves up and down in the buffer box 1. When the piston plate 502 moves downward, the sealing plate 508 corresponding to the first through hole 503 automatically opens, and the first through hole 503 is opened. When the piston plate 502 moves upward, the sealing plate 508 corresponding to the second through hole 504 automatically opens, and the second through hole 504 is opened. Since the aperture of the first through hole 503 is larger than that of the second through hole 504, the distance that the piston plate 502 moves upward each time is less than the distance that it moves downward, achieving a buffering effect.

[0040] In this embodiment, as Figure 2 、 Figure 3 and Figure 4 shown, a first oil groove 509 is provided in the piston plate 502, and a first piston block 510 is slidably connected in the first oil groove 509. A second piston block 511 is fixed to the bottom of the first piston block 510, and the second piston blocks 511 are circumferentially and evenly distributed on the first piston block 510. The bottom of the second piston block 511 is connected to a third piston block 514 through a connecting rope 513. A second oil groove 512 is provided in the piston plate 502, and both the second piston block 511 and the third piston block 514 are slidably connected in the second oil groove 512. When the first piston block 510 moves downward, the second piston block 511 moves downward accordingly. Hydraulic oil is stored in the second oil groove 512, and the third piston block 514 can move under the action of oil pressure.

[0041] In this embodiment, as Figure 2 and Figure 3 shown, a rotating cylinder 515 is rotatably connected in the second oil groove 512. The connecting rope 513 bypasses the rotating cylinder 515. The connecting rope 513 can strengthen the connection between the second piston block 511 and the third piston block 514, and the rotating cylinder 515 plays a role in supporting and guiding the connecting rope 513.

[0042] In this embodiment, as Figure 2 、 Figure 3 and Figure 4As shown, a baffle 516 is fixed to the outer end face of the third piston block 514, and a third through hole 517 and a fourth through hole 518 are formed in the baffle 516. The third through hole 517 communicates with the first through hole 503, and the fourth through hole 518 communicates with the second through hole 504. The first through hole 503 and the second through hole 504 are both circumferentially and uniformly distributed on the piston plate 502. The movement of the third piston block 514 can drive the baffle 516 to move, facilitating the adjustment of the opening sizes of the first through hole 503 and the second through hole 504, thereby controlling the buffering force. The larger the first through hole 503 and the second through hole 504 are opened, the greater the buffering force is.

[0043] In this embodiment, as Figure 2 and Figure 8 shown, a limiting plate 7 is fixed in the air cylinder 6, and the limiting plate 7 penetrates through the fourth piston block 8. The fourth piston block 8 can reciprocate in the air cylinder 6. The compression and release of the gas generate a damping force to attenuate the vibration. The limiting plate 7 plays a role in limiting the fourth piston block 8.

[0044] In this embodiment, as Figure 1 , Figure 2 , Figure 5 and Figure 6 shown, the cooling mechanism 10 includes a support box 1001, and the support box 1001 is fixed to the bottom of the liquid storage tank 9. An electric telescopic column 1002 is fixed to the front inner wall of the support box 1001, and an extrusion rod 1003 is fixed to the rear end of the electric telescopic column 1002. A fifth piston block 1004 is fixed to the rear end of the extrusion rod 1003. An oil cylinder 1005 is fixed to the rear side of the support box 1001. The fifth piston block 1004 is slidably connected in the oil cylinder 1005. A connecting pipe 1006 is fixed to the rear side of the oil cylinder 1005, and the connecting pipe 1006 penetrates through the mounting plate 4 and the damping rod 501 and communicates with the first oil groove 509. The air cylinder 6 stores gas. When the piston plate 502 moves downward, the fourth piston block 8 moves downward, and the gas in the air cylinder 6 is compressed and heated. The liquid storage tank 9 stores coolant, which can be used to cool the gas in the air cylinder 6. The oil cylinder 1005 stores hydraulic oil. The connecting pipe 1006 plays a role in connecting the oil cylinder 1005 and the first oil groove 509. When the extrusion rod 1003 moves backward under the elongation action of the electric telescopic column 1002, the fifth piston block 1004 moves backward, and the first piston block 510 moves downward.

[0045] In this embodiment, as Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 7As shown in the figure, second compression springs 1007 are symmetrically fixed on the two inner walls of the support box 1001, and movable blocks 1008 are fixed to the inner ends of the second compression springs 1007. The movable blocks 1008 are wedge-shaped and fitted to the extrusion rods 1003, and the outer sides of the movable blocks 1008 are connected to the heat conduction plates 1010 through connecting frames 1009. The heat conduction plates 1010 are slidably connected to the outside of the liquid storage tank 9, and the heat conduction plates 1010 are circumferentially and evenly distributed on the liquid storage tank 9. Heat conduction sheets 1012 are fixed to the outer end faces of the heat conduction plates 1010, and the heat conduction sheets 1012 are equally spaced on the heat conduction plates 1010. Arc-shaped channels 1013 are formed in the heat conduction sheets 1012, and the arc-shaped channels 1013 are equally spaced on the heat conduction sheets 1012, and the bending directions of the arc-shaped channels 1013 on two adjacent heat conduction sheets 1012 are opposite. The liquid storage tank 9 is made of a heat-conducting material, which can conduct the heat of the coolant in the liquid storage tank 9 to the heat conduction sheets 1012. Wind can shuttle in the arc-shaped channels 1013, which is convenient for taking away the heat on the heat conduction sheets 1012, so as to achieve the heat dissipation effect. When the extrusion rods 1003 move backward, the movable blocks 1008 are extruded, and the connecting frames 1009 and the heat conduction plates 1010 move together with the movable blocks 1008, which is convenient for adjusting the opening area of the heat conduction sheets 1012, thereby adjusting the heat dissipation intensity. The longer the backward movement distance of the extrusion rods 1003, the longer the backward movement distance of the fifth piston block 1004, the longer the downward movement distance of the piston plate 502, the greater the opening degree of the first through hole 503 and the second through hole 504, and the better the buffering effect and the greater the heat dissipation intensity.

[0046] In this embodiment, as Figure 1 and Figure 2 shown, a slideway 1011 is formed at the bottom of the liquid storage tank 9, and the connecting frame 1009 penetrates through the slideway 1011. The slideway 1011 plays a role in limiting the movement of the connecting frame 1009.

[0047] The usage method and advantages of the present invention: The double-buffered train floating floor shock absorber works as follows:

[0048] As Figures 1 to 8As shown: First, install the mounting bracket 2 on the train drive base, and install the mounting plate 4 at the bottom of the train carriage. The buffer tank 1 stores hydraulic oil. During the train's operation, the buffer spring 3 expands and contracts, and the piston plate 502 slides up and down in the buffer tank 1. When the piston plate 502 moves downward, the sealing plate 508 corresponding to the first through hole 503 automatically opens. When the piston plate 502 moves upward, the sealing plate 508 corresponding to the second through hole 504 automatically opens. Since the second through hole 504 is always smaller than the first through hole 503, the upward movement distance of the piston plate 502 is always smaller than the downward movement distance, which facilitates achieving the buffer and shock absorption effect. When the extrusion rod 1003 moves backward, the fifth piston block 1004 moves backward, and the first piston block 510 and the second piston block 511 move downward. The second oil groove 512 stores hydraulic oil. The movement of the third piston block 514 drives the movement of the baffle 516, thereby increasing the opening sizes of the first through hole 503 and the second through hole 504, making the buffer effect better. The cylinder 6 stores gas, and the fourth piston block 8 reciprocates in the cylinder 6. The compression and release of the gas generate damping force to attenuate the vibration, so as to achieve the double buffer effect. When the fourth piston block 8 moves downward, the gas in the cylinder 6 is compressed and heated. The liquid storage tank 9 stores coolant, which can be used to cool the gas in the cylinder 6. The liquid storage tank 9, the heat conducting plate 1010, and the heat conducting sheet 1012 made of heat conducting materials can play a heat conducting role. The wind shuttles in the arc-shaped channel 1013, which can achieve the heat dissipation effect. When the extrusion rod 1003 moves backward, it extrudes the movable block 1008, and the movable block 1008, the connecting frame 1009, the heat conducting plate 1010, and the heat conducting sheet 1012 move as a whole. The greater the backward movement distance of the extrusion rod 1003, the greater the movement distance of the baffle 516, and the better the buffer effect. The greater the extending length of the heat conducting sheet 1012, the better the heat dissipation effect.

[0049] In summary, this double-buffered train floating floor shock absorber achieves the purposes of double buffering, adjustable buffer effect, cooling and heat dissipation, and the heat dissipation intensity increases with the increase of the buffer effect, meeting people's usage requirements.

[0050] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A double-buffered train floating floor shock absorber, comprising a buffer box (1), characterized in that: A mounting frame (2) is fixed to the bottom of the buffer box (1); the top of the buffer box (1) is connected to the mounting plate (4) via a buffer spring (3); a buffer mechanism (5) is fixed to the bottom of the mounting plate (4); the buffer mechanism (5) comprises a damping rod (501); the damping rod (501) passes through the top of the buffer box (1); the buffer spring (3) is wrapped around the outside of the damping rod (501); a piston plate (502) is fixed to the bottom of the damping rod (501); the piston plate (502) is slidably connected to the inside of the buffer box (1); and a first through hole (503) and a second through hole (504) are formed on the piston plate (502); A cylinder (6) is fixed at the bottom of the buffer box (1), the cylinder (6) passes through the bottom of the buffer box (1), a fourth piston block (8) is slidably connected in the cylinder (6), a liquid storage box (9) is fixed at the bottom of the buffer box (1), a cooling mechanism (10) is arranged on the outside of the liquid storage box (9), a first oil groove (509) is provided in the piston plate (502), a first piston block (510) is slidably connected in the first oil groove (509), a second piston block (511) is fixed at the bottom of the first piston block (510), and the second piston blocks (511) are evenly distributed on the first piston block (510) in a circumferential direction, and the second piston blocks (511) are arranged on the first piston block (510) in a circumferential direction. The bottom of the piston plate (502) is connected to the third piston block (514) through a connecting rope (513), a second oil groove (512) is provided in the piston plate (502), the second piston block (511) and the third piston block (514) are both slidably connected in the second oil groove (512), the cooling mechanism (10) comprises a support box (1001), and the support box (1001) is fixed to the bottom of the liquid storage tank (9), an electric telescopic column (1002) is fixed on the front inner wall of the support box (1001), and an extrusion rod (1003) is fixed to the rear end of the electric telescopic column (1002), and a fifth piston block (1004) is fixed to the rear end of the extrusion rod (1003). ), an oil cylinder (1005) is fixed to the rear side of the support box (1001), the fifth piston block (1004) is slidably connected in the oil cylinder (1005), a connecting pipe (1006) is fixed to the rear side of the oil cylinder (1005), and the connecting pipe (1006) passes through the mounting plate (4) and the damping rod (501) and is connected to the first oil groove (509), second compression springs (1007) are symmetrically fixed on the two inner walls of the support box (1001), and a movable block (1008) is fixed to the inner end of the second compression spring (1007), and the movable block (1008) is wedge-shaped and connected to the extrusion rod (1003), and the movable block (1008) is connected to the extrusion rod (1003). 08) is connected to a heat conducting plate (1010) via a connecting frame (1009), the heat conducting plate (1010) is slidably connected to the outside of the liquid storage tank (9), and the heat conducting plate (1010) is evenly distributed on the liquid storage tank (9) in the circumferential direction, a heat conducting sheet (1012) is fixed to the outer end surface of the heat conducting plate (1010), and the heat conducting sheets (1012) are evenly distributed on the heat conducting plate (1010), an arc-shaped channel (1013) is opened on the heat conducting sheet (1012), and the arc-shaped channels (1013) are evenly distributed on the heat conducting sheet (1012), and the bending directions of the arc-shaped channels (1013) on two adjacent heat conducting sheets (1012) are opposite.

2. The double-buffered train floating floor shock absorber according to claim 1 is characterized in that: The upper end surface of the piston plate (502) and the lower end surface of the piston plate (502) are both provided with a groove (505), and a first compression spring (506) is fixed in the groove (505), a movable column (507) is fixed to the inner end of the first compression spring (506), and the movable column (507) is slidably connected in the groove (505), the first compression spring (506) is wrapped around the outer side of the movable column (507), and the movable column (507) passes through the end surface of the piston plate (502) and is connected to the sealing plate (508).

3. The double-buffered train floating floor shock absorber according to claim 2 is characterized in that: A rotating drum (515) is rotatably connected in the second oil groove (512), and the connecting rope (513) passes around the rotating drum (515).

4. The double-buffered train floating floor shock absorber according to claim 3 is characterized in that: A baffle (516) is fixed to the outer end surface of the third piston block (514), and a third through hole (517) and a fourth through hole (518) are provided on the baffle (516); the third through hole (517) is connected to the first through hole (503), and the fourth through hole (518) is connected to the second through hole (504); the first through hole (503) and the second through hole (504) are evenly distributed on the piston plate (502) in the circumferential direction.

5. The double-buffered train floating floor shock absorber according to claim 4 is characterized in that: A limit plate (7) is fixed in the cylinder (6), and the limit plate (7) passes through the fourth piston block (8).

6. The double-buffered train floating floor shock absorber according to claim 5, characterized in that: A slideway (1011) is provided at the bottom of the liquid storage box (9), and the connecting frame (1009) passes through the slideway (1011).

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