Composite material energy absorption device

Abstract

The utility model is suitable for the technical field of passive safety protection devices, and provides a composite material energy absorption device which comprises a composite material energy absorption pipe, one end of the composite material energy absorption pipe is fixedly connected with an anti-collision plate, one end, away from the anti-collision plate, of the composite material energy absorption pipe is fixedly connected with an installation flange, and the installation flange is connected with a sealing table in a sealing mode. A plurality of elastic pieces are arranged between the mounting flange and the sealing table; the pressure release valve is arranged on the mounting flange; when the anti-collision plate is impacted by external force transmitted in the axial direction of the composite material energy-absorbing pipe, the composite material energy-absorbing pipe moves in the preset direction, kinetic energy is converted into deformation energy, air is compressed while the composite material energy-absorbing pipe moves, the kinetic energy is converted into internal energy of air, and when the internal pressure of the mounting flange reaches a threshold value, the composite material energy-absorbing pipe moves in the preset direction. The sealing table is driven to move and stretch the elastic piece in the preset direction, kinetic energy is converted into elastic potential energy of the elastic piece, the kinetic energy is converted through the composite material energy absorption pipe, compressed air and the stretch elastic piece, and a protection object is effectively protected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to passive safety protection device technical field especially relates to composite material energy absorption device. BACKGROUND

[0002] At present, in passive safety protection measures of rail train, car, high -rise building elevator well etc., most of the structural forms are single energy absorption element, such as planing type anti -climber, drawer type honeycomb anti -climber, expansion pipe type anti -climber etc.

[0003] Composite material energy absorption device (application number: 2018218338285) only through the crushing of composite material pipe converts the kinetic energy generated by collision into deformation energy, and the kinetic energy conversion mode is single, the energy absorption efficiency is low, and the protector cannot be effectively protected. UTILITY MODEL CONTENTS

[0004] The utility model embodiment is to solve the problems in the background art.

[0005] The utility model embodiment is implemented in the following way, a composite material energy absorption device comprises:

[0006] A composite material energy absorption pipe is fixedly connected with an anti -collision plate at one end, and an installation flange is fixedly connected with the end of the composite energy absorption pipe away from the anti -collision plate, a sealing table is sealingly connected with the installation flange, and a plurality of elastic members are arranged between the installation flange and the sealing table.

[0007] A pressure relief valve is arranged on the installation flange.

[0008] As a further scheme of the utility model, the installation flange comprises a flange body, an installation flange and a hanging ring one, the flange body is fixedly connected with the installation flange, the installation flange is fixedly connected with a plurality of hanging rings one, the hanging ring one is detachably connected with one end of the elastic member, and the other end of the elastic member is detachably connected with the sealing table.

[0009] As a further scheme of the utility model, the flange body is provided with an installation hole, a flow guide hole, a crushing hole and a pre -storage sealing cavity, the installation hole, the flow guide hole, the crushing hole and the pre -storage sealing cavity are sequentially communicated, and the sealing cavity is communicated with the pressure relief valve.

[0010] As a further scheme of the utility model, the installation hole, the flow guide hole and the crushing hole are a plurality of.

[0011] As a further scheme of the utility model, the sealing table comprises a sealing plate, a sealing piston and a hanging ring two, the sealing plate is fixedly connected with the sealing piston, the sealing piston is slidably connected with the mounting flange, the sealing plate is fixedly connected with a plurality of the hanging ring two, and the hanging ring two is detachably connected with one end of the elastic piece one.

[0012] As a further scheme of the utility model, the anti-collision plate comprises a plate body, a mounting boss and an anti-climbing tooth, the plate body is fixedly connected with the anti-climbing tooth, and the plate body is fixedly connected with a plurality of the mounting boss.

[0013] As a further scheme of the utility model, the composite material energy absorption quantity is a plurality.

[0014] Compared with the prior art, the utility model has the beneficial effects that when the anti-collision plate receives external force impact along the composite material energy absorption pipe axial conduction and reaches or exceeds the threshold value, the composite material energy absorption pipe moves along the preset direction until the composite material energy absorption pipe is broken under the limitation of the mounting flange, thereby converting kinetic energy into deformation energy, absorbing the energy generated by the impact, protecting the safety of the protected object, and when the composite material energy absorption pipe moves, the air is compressed, the kinetic energy is converted into the internal energy of the air, further protecting the safety of the protected object, when the internal pressure of the mounting flange reaches the threshold value, the sealing table is driven to move in the preset direction, thereby stretching the elastic piece, converting the kinetic energy into the elastic potential energy of the elastic piece, further protecting the safety of the protected object, and when the internal pressure of the mounting flange reaches the threshold value of the pressure relief valve, the air in the mounting flange is discharged through the pressure relief valve, and the kinetic energy is converted through the composite material energy absorption pipe, compressed air and stretched elastic piece, effectively protecting the protected object. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 The utility model provides a composite material energy absorption device's structure schematic diagram for embodiment of the utility model;

[0016] Fig. 2 The utility model provides a composite material energy absorption device's sectional structure schematic diagram for embodiment of the utility model;

[0017] Fig. 3 The utility model provides a mounting flange's structure schematic diagram for embodiment of the utility model;

[0018] Fig. 4 The utility model provides a mounting flange's side structure schematic diagram for embodiment of the utility model.

[0019] In the drawings: 1-composite material energy absorption pipe, 2-anti-collision plate, 21-plate body, 22-mounting boss, 23-anti-climb tooth, 3-mounting flange, 31-flange body, 311-mounting hole, 312-flow guide hole, 313-crushing hole, 314-pre-stored sealing cavity, 32-mounting flange, 33-hanging ring one, 4-sealing table, 41-sealing plate, 42-sealing piston, 43-hanging ring two, 5-elastic member, 6-pressure relief valve. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0021] The specific implementation of the utility model is described in detail in combination with specific examples.

[0022] As shown in Figs. 1 to 4 , it is an embodiment of the utility model, and the composite material energy absorption device comprises:

[0023] The composite material energy absorption pipe 1 is fixedly connected with the anti-collision plate 2 at one end, the composite material energy absorption pipe 1 is fixedly connected with the mounting flange 3 at the end away from the anti-collision plate 2, the mounting flange 3 is sealingly connected with the sealing table 4, and the mounting flange 3 and the sealing table 4 are provided with the elastic member 5.

[0024] The pressure relief valve 6 is arranged on the mounting flange 3.

[0025] In the embodiment, the mounting flange 3 is filled with high-pressure gas, the elastic member 5 can be a spring, the elastic member 5 is in a stretched state, the composite energy-absorbing pipe 1 is made of carbon fiber (Thornel Mat VMA), epoxy resin glue (YT-CC301), 593 curing agent and the like and is processed by a winding technology, has the functions of resisting longitudinal force energy absorption and vertical force resistance, the composite energy-absorbing pipe 1 is fastened and connected with the mounting flange 3 in a glued manner or through interference fit; when the anti-collision plate 2 receives an external force impact conducted along the composite energy-absorbing pipe 1 and reaches or exceeds a threshold value, the composite energy-absorbing pipe 1 moves along a preset direction until the composite energy-absorbing pipe 1 is broken under the limitation of the mounting flange 3, thereby converting kinetic energy into deformation energy, absorbing the energy generated by the impact, protecting the safety of the protected object, and when the composite energy-absorbing pipe 1 moves while compressing air, converting kinetic energy into internal energy of the air, further protecting the safety of the protected object, when the internal pressure of the mounting flange 3 reaches a threshold value, the sealing table 4 is driven to move in a preset direction, thereby stretching the elastic member 5, converting kinetic energy into elastic potential energy of the elastic member 5, further protecting the safety of the protected object, when the internal pressure of the mounting flange 3 reaches a threshold value of the pressure relief valve 6, discharging air in the mounting flange 3 through the pressure relief valve 6, converting kinetic energy through the composite energy-absorbing pipe 1, compressed air and the stretched elastic member 5, effectively protecting the protected object.

[0026] Further, the number of the composite energy-absorbing pipes 1 is several, so that compared with a single composite energy-absorbing pipe 1, more energy can be absorbed, material utilization is higher, the volume of the pipe can be designed to be smaller, installation and disassembly are facilitated, and the bending resistance and energy absorption efficiency of the composite energy-absorbing pipe 1 are higher.

[0027] Further, the anti-collision plate 2 comprises a plate body 21, mounting bosses 22 and anti-climbing teeth 23, the plate body 21 is fixedly connected with the anti-climbing teeth 23, and the plate body 21 is fixedly connected with a plurality of mounting bosses 22.

[0028] Please refer to Figs. 1 to 4 In an embodiment of the utility model, the mounting flange 3 comprises a flange body 31, mounting flanges 32 and hanging rings one 33, the flange body 31 is fixedly connected with the mounting flanges 32, the mounting flanges 32 are fixedly connected with a plurality of hanging rings one 33, one end of the hanging ring one 33 is detachably connected with the elastic member 5, and the other end of the elastic member 5 is detachably connected with the sealing table 4.

[0029] In the embodiment, the mounting flange 32 can be welded with the protected object, connection holes are formed on the mounting flange 32, and the flange body 31 is fastened and connected on the protected object by cooperating with nuts through the connection holes; the mounting flange 32 is provided with mounting holes 311, flow guide holes 312, crushing holes 313 and pre-sealing cavities 314, the mounting holes 311, the flow guide holes 312, the crushing holes 313 and the pre-sealing cavities 314 are sequentially communicated, the sealing cavities are communicated with the pressure relief valve 6, the mounting holes 311, the flow guide holes 312 and the crushing holes 313 are several in number, the mounting holes 311, the flow guide holes 312, the crushing holes 313 and the composite energy absorption pipes 1 are the same in number, the outer diameter of the composite energy absorption pipe 1 is equal to or slightly larger than the inner diameter of the mounting hole 311, and then the composite energy absorption pipe 1 is in interference fit with the mounting flange 3, the sealing table 4 comprises a sealing plate 41, a sealing piston 42 and a hanging ring two 43, the sealing plate 41 is fixedly connected with the sealing piston 42, the sealing piston 42 is slidably connected with the mounting flange 3, the sealing plate 41 is fixedly connected with the several hanging ring two 43, the hanging ring two 43 is detachably connected with one end of the elastic member 5, the hanging ring one 33 and the hanging ring two 43 are connected with both ends of the elastic member 5, so that the composite material crushed in the pre-sealing cavity 314 can be easily disassembled and discharged, and the broken composite material can be prevented from splashing and causing safety hazards through sealing arrangement, the kinetic energy generated by collision is effectively converted through the composite energy absorption pipe 1, compressed air and the tensile elastic member 5, and then the protected object is effectively protected, and the application has the advantages of good protection effect.

[0030] In the description of the utility model, it is to explain that, unless there is definite stipulation and limitation, the term "installation", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electric connection or can communicate with each other, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements. For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0031] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. Composite material energy absorbing device, characterized in that: include: A composite energy-absorbing tube, one end of which is fixedly connected to an anti-collision plate, an end of which is fixedly connected to a mounting flange away from the anti-collision plate, the mounting flange being sealingly connected to a sealing platform, and a plurality of elastic members being provided between the mounting flange and the sealing platform; A pressure relief valve is provided on the mounting flange.

2. The composite energy absorbing device according to claim 1, characterized in that: The mounting flange includes a flange body, a mounting flange and a hanging ring. The flange body is fixedly connected to the mounting flange, the mounting flange is fixedly connected to several hanging rings, the hanging ring is detachably connected to one end of the elastic member, and the other end of the elastic member is detachably connected to the sealing platform.

3. The composite energy absorbing device according to claim 2, characterized in that: The flange body is provided with a mounting hole, a guide hole, a crushing hole and a pre-stored sealing cavity. The mounting hole, the guide hole, the crushing hole and the pre-stored sealing cavity are connected in sequence, and the sealing cavity is connected to the pressure relief valve.

4. The composite energy absorbing device according to claim 3, characterized in that: There are a number of mounting holes, diversion holes and crushing holes.

5. The composite energy absorbing device according to claim 1, characterized in that: The sealing platform includes a sealing plate, a sealing piston and a second hanging ring. The sealing plate is fixedly connected to the sealing piston, the sealing piston is slidably connected to the mounting flange, the sealing plate is fixedly connected to several second hanging rings, and the second hanging ring is detachably connected to one end of the elastic member.

6. The composite energy absorbing device according to claim 1, characterized in that: The anti-collision plate includes a plate body, a mounting boss and anti-climbing teeth. The plate body is fixedly connected to the anti-climbing teeth, and the plate body is fixedly connected to several of the mounting bosses.

7. The composite energy absorbing device according to claim 1, characterized in that: The composite material has a certain amount of energy absorption.

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