CN219139124U

CN219139124U - Tunnel escape pipeline

Info

Publication number: CN219139124U
Application number: CN202320276536.0U
Authority: CN
Inventors: 冯玉洋; 冯海波; 张帆; 冯玉冉; 牛永定; 冯玉芳; 张丛; 吕晓东; 薛彦景; 张旭; 马驰; 马霖
Original assignee: Nanyang Senyuan Plastic Co ltd
Current assignee: Nanyang Senyuan Plastic Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-06-06
Anticipated expiration: 2033-02-22

Abstract

The utility model discloses a tunnel escape pipeline, which belongs to the technical field of tunnel escape tools and comprises an escape pipeline, wherein two ends of the escape pipeline are connected through a fixed structure, and a buffer protection structure is arranged outside the escape pipeline; the buffer protection structure comprises a gear arranged above the base, two sides of the gear are respectively meshed with a movable rack, the movable rack with the top at a higher position is a high-position movable rack in an initial state, and the movable rack with the top at a lower position is a low-position movable rack; the outside of the movable rack is provided with a limiting structure which limits the movable rack to move up and down, the top of the movable rack is provided with an inflatable air bag, the air bag is provided with an opening, and a plug which can be separated by the impact of air in the air bag is inserted into the opening. According to the utility model, the two airbags with different heights are arranged, the high-level airbag descends to enable the low-level airbag to ascend, so that the baffle can be sequentially supported, and the buffering capacity of the device when the instantaneous impact force is overlarge is improved.

Description

Tunnel escape pipeline

Technical Field

The utility model relates to the technical field of tunnel escape tools, in particular to a tunnel escape pipeline.

Background

The mountain and hills of China are numerous, and a plurality of tunnel excavation projects are required to be developed no matter the expressway, the railway, the subway and the like are built in the city; the tunnel escape pipeline is one of facilities which are indispensable to the safety of construction; the existing tunnel escape pipelines mostly adopt steel pipes or ultra-high molecular weight polyethylene with high strength as main materials, and various anti-smashing devices are additionally arranged on the outsides of the existing tunnel escape pipelines when the tunnel escape pipelines are installed in order to improve the compression resistance, but the bearing capacity and the buffering capacity are not good enough.

For example, the Chinese utility model patent has the following patent numbers: ZL202120066193.6, named: the specification discloses a tunnel escape pipeline device, wherein the anti-smashing mechanism comprises an adapter plate arranged on a guide sleeve, two lower sliding grooves are formed in the adapter plate, lower sliding blocks are arranged in the two lower sliding grooves, lower buffer springs are arranged on the side faces of the two lower sliding blocks, connecting rods are arranged on the two lower sliding blocks, the middle parts of the connecting rods are connected, an anti-collision plate is arranged at the top of the adapter plate, two upper sliding grooves are formed in the bottom of the anti-collision plate, upper sliding blocks are arranged in the two upper sliding grooves, upper buffer springs are arranged on the side faces of the two upper sliding blocks, and the upper sliding blocks are hinged with the connecting rods; in addition, the force is unloaded through several springs to the anti-smashing mechanism, but the elasticity of spring is limited, and when tunnel collapses, along with substances such as rubble constantly fall on the anticollision board, the spring can not jack up the anticollision board gradually, and especially heavier great object is smashed on the anticollision board, and the object that collapses is suddenly strikeed too big, and the buffer capacity of spring is insufficient, and the pressure suddenly surpasses the elasticity of spring greatly, can destroy the supporting role of spring and two connecting rods.

Disclosure of Invention

The purpose of the utility model is that: overcomes the defects existing in the prior art, and provides a tunnel escape pipeline, by arranging two airbags with different heights, the high-level airbag descends to enable the low-level airbag to ascend, and can sequentially support a baffle, so that the buffering capacity of the device when the instantaneous impact force is overlarge is improved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the tunnel escape pipeline comprises an escape pipeline, wherein two ends of the escape pipeline are connected through a fixed structure, and a buffer protection structure is arranged outside the escape pipeline; the two ends of the connecting pipeline are provided with slots which are spliced with the escape pipeline, the outer side of the escape pipeline is fixedly provided with a base, the buffer protection structure comprises a gear arranged above the base, two sides of the gear are respectively meshed with a movable rack, the tops of the two movable racks are different in height in an initial state, the movable rack with the top at a higher position is a high-position movable rack, and the top at a lower position is a low-position movable rack; the bottom of high-order movable rack and low-order movable rack respectively is provided with a spring, and the movable rack outside is provided with limit structure that restriction it can only reciprocate, and the top of movable rack is provided with the inflatable gasbag, is provided with the opening on the gasbag, peg graft in the opening have can be by the inside gas impact of gasbag and the stopper that breaks away from.

Further, the fixed knot constructs including fixing the fixed strip in the connecting tube outside, and the fixed strip surpasses the connecting tube setting along connecting tube axial lead direction, and the pipeline outside fixedly connected with locking strip flees, and the one end that the locking strip is close to the fixed strip is provided with the locking groove that supplies fixed strip male, and the one end that the locking groove is close to the fixed strip runs through the locking strip along the pipeline axial lead direction of fleing, and the fixed strip passes through fastening bolt and locking strip fixed connection.

Further, the bottom surface of the locking groove and the bottom surface of the fixing strip are positioned on the same plane, the fastening bolt penetrates into the escape pipeline after sequentially penetrating through the fixing strip and the locking strip, and the tail end of the fastening bolt is in threaded connection with the fastening nut.

Further, the base is arranged at intervals along the axial lead direction of the escape pipeline, the middle part of the base is arranged around the lower part of the outer side of the escape pipeline, the two ends of the base are respectively positioned at the two sides of the escape pipeline, and the base is respectively provided with at least one group of buffer protection structures on the upper surfaces of the two sides of the escape pipeline.

Further, limit structure includes the first spacing groove that is used for restricting movable rack that the base is inside to set up of perpendicular base upper surface, and base upper surface vertical fixedly connected with spacing, set up the first spout that corresponds with first spacing groove on the spacing, first spacing groove and first spout all with movable rack sliding connection, the bottom of spring and the bottom fixed connection of first spacing groove, the last fixed surface of base is connected with the mount, rotates on the mount and is connected with the gear.

Further, the tops of the high-order movable racks in the different groups of buffer protection structures are flush, and the tops of the low-order movable racks in the different groups of buffer protection structures are flush; the top parts of the high-position movable rack and the low-position movable rack are respectively fixedly connected with a supporting plate, the top part of the supporting plate is provided with an air bag, and the top part of the air bag is provided with a baffle plate; the high-position movable racks or the low-position movable racks corresponding to the left side and the right side of the same base are arranged below the same baffle.

Further, the top of high-order movable rack and low-order movable rack is fixedly connected with backup pad respectively, and the top of backup pad is provided with the gasbag, and the gasbag that the high-order movable rack of different positions corresponds is attached to the setting with same baffle, and the baffle is close to high-order movable rack's one side and telescopic link one end fixed connection, the telescopic link other end and backup pad fixed connection.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the gear, the two movable racks respectively meshed with the two sides of the gear and the air bag are arranged, when the baffle plate at the top of the high-position movable rack is impacted firstly, the impact force is transmitted to the air bag, the air bag is pressurized, the internal air pressure of the air bag is increased to a certain degree, the internal air ejects the plug from the opening of the air bag, the air is slowly released, the downward instant impact of a collapse object is reduced by matching with the spring, and meanwhile, the high-position movable rack is downward and lifts the low-position movable rack through the gear; when the pressure applied to the baffle plate at the top of the low-level movable rack is overlarge, the plug of the air bag at the top of the low-level movable rack is ejected, and the plug is matched with the spring at the bottom of the low-level movable rack to perform secondary buffering, then the low-level movable rack is pressed down, and the high-level movable rack rises again to face the collapse object subjected to repeated buffering until the heights of the two movable racks are the same; the high-level air bag descends to enable the low-level air bag to ascend, the baffle plates can be sequentially supported, the pressure bearing capacity of the device and the buffer capacity of the device when the instantaneous impact force is overlarge are improved, and the safety of the tunnel escape pipeline is improved.

2. The slot, the fixing strip, the locking strip and the locking groove are arranged on the connecting pipeline, so that the structure is simple, and the connection is convenient; through setting up first spacing groove, second spacing groove, first spout, second spout and draw runner, make movable rack can only reciprocate, enlarge the upper and lower movable space of movable rack in the base simultaneously, be convenient for install the spring additional, strengthen buffer capacity.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a base structure of the present utility model;

FIG. 3 is a schematic view of a pipe connection structure according to the present utility model;

FIG. 4 is a schematic view of a second embodiment of a baffle structure according to the present utility model;

fig. 5 is a schematic diagram of a buffer protection structure according to the present utility model.

In the figure, 1, a connecting pipeline; 2. an escape pipeline; 3. a fixing strip; 4. a locking bar; 5. a locking groove; 6. a fastening bolt; 7. a fastening nut; 8. a slot; 9. a base; 10. a first limit groove; 11. the second limit groove; 12. a limit bar; 13. a first chute; 14. a second chute; 15. a movable rack; 16. a slide bar; 17. a spring; 18. a gear; 19. a fixing frame; 20. a support plate; 21. a baffle; 22. an air bag; 23. a plug; 24. a telescopic rod.

Detailed Description

The utility model is further illustrated by the following description in conjunction with the accompanying drawings and specific embodiments.

Embodiment one:

as shown in fig. 1 to 4, a tunnel escape pipeline comprises an escape pipeline 2, wherein two ends of the escape pipeline 1 are connected through a fixed structure, and a buffer protection structure is arranged outside the escape pipeline 2; the two ends of the connecting pipeline 1 are provided with slots 8 which are spliced with the escape pipeline 2, the outer side of the escape pipeline 2 is fixedly provided with a base 9, the buffer protection structure comprises a gear 18 which is arranged above the base 9, two sides of the gear 18 are respectively meshed with a movable rack 15 with opposite movement directions, the tops of the two movable racks 15 are different in height in the initial state, the movable rack with the top at a higher position is a high-position movable rack, and the top at a lower position is a low-position movable rack; the bottoms of the high-position movable rack and the low-position movable rack are respectively provided with a spring 17, the outer side of the movable rack 15 is provided with a limiting structure which limits the movable rack to move up and down, the top of the movable rack 15 is provided with an inflatable air bag 22, the air bag 22 is provided with an opening, and a plug 23 which can be separated by the impact of air in the air bag 22 is inserted into the opening.

Through the arrangement of the gear 18, the two movable racks 15 respectively meshed with the two sides of the gear and the air bag 22, when the baffle plate at the top of the high-position movable rack is impacted firstly, the impact force is transmitted to the air bag, the air bag is pressurized and the internal air pressure is increased to a certain degree, the internal air ejects the plug 23 from the opening of the air bag, the air is released slowly, the downward instant impact of a collapse object is reduced by matching with the spring 17, and meanwhile, the high-position movable rack is downward and lifts the low-position movable rack through the gear; when the pressure applied to the baffle plate at the top of the low-level movable rack is overlarge, the plug of the air bag at the top of the low-level movable rack is ejected, the spring at the bottom of the low-level movable rack is matched with the spring at the bottom of the low-level movable rack to perform secondary buffering, then the low-level movable rack is pressed down, the high-level movable rack rises again to face the subsidence object subjected to repeated buffering until the heights of the two movable racks are the same, and the baffle plates at the tops of the two movable racks jointly resist the subsidence object; the high-level air bag descends to enable the low-level air bag to ascend, so that the baffle plate can be sequentially supported, the pressure bearing capacity of the device and the buffer capacity of the device when the instantaneous impact force is overlarge are improved, and the safety of the tunnel escape pipeline is improved; the ejection pressure of the air bag plug can be adjusted by changing the friction force between the plug and the opening, such as increasing the insertion depth, or increasing the roughness of the contact surface between the plug and the opening, or using several turns of screw connection.

In order to improve the continuous buffering protection capability of the device, a connecting hole is additionally formed in an air bag at the top of the low-position movable rack and the high-position movable rack respectively, the connecting hole is connected with small-size inflating equipment through a pipeline, a pressure sensor is arranged in the air bag and is electrically connected with the small-size inflating equipment, when gas in the air bag is almost completely sprayed, the pressure sensor transmits a signal to the small-size inflating equipment, and the small-size inflating equipment starts to inflate the air bag, so that the next large-size collapsed object is just guaranteed.

The fixed knot constructs including fixing the fixed strip 3 in the connecting tube 1 outside, the fixed strip 3 surpasss connecting tube 1 setting along connecting tube 1 axial lead direction, surpass the part and be located escape tube 2 outsidely, surpass the part and be used for pegging graft with locking groove 5, escape tube 2 outside fixedly connected with locking strip 4, the one end that locking strip 4 is close to fixed strip 3 is provided with and supplies fixed strip 3 male locking groove 5, the one end that locking groove 5 is close to fixed strip 3 runs through locking strip 4 along escape tube 2 axial lead direction, the one end that locking strip 4 is close to fixed strip 3 flushes with escape tube 2 terminal surface, fixed strip 3 passes through fastening bolt 6 and locking strip 4 fixed connection.

The bottom surface of the locking groove 5 and the bottom surface of the fixing strip 3 are positioned on the same plane, the fastening bolt 6 penetrates into the escape pipeline 2 after sequentially penetrating through the fixing strip 3 and the locking strip 4, the tail end of the fastening bolt 6 is in threaded connection with the fastening nut 7, namely, the tail end of the fastening bolt 6 penetrates into the escape pipeline 2 for a section.

The base 9 sets up along the axial lead direction interval distance of pipeline 2 of fleing, the base 9 middle part sets up around pipeline 2 outside lower part of fleing, base 9 is located pipeline 2 below of fleing, the upper surface of being connected with it is the cambered surface, can use the staple bolt to set up around pipeline 2 of fleing, then the staple bolt is fixed with base 9, base 9 perpendicular to pipeline 2 of fleing axial lead direction sets up, base 9 both ends are located pipeline 2's both sides respectively, base 9 sets up a set of buffer protection structure respectively in pipeline 2 both sides's upper surface respectively of fleing.

The limiting structure comprises a first limiting groove 10 and a second limiting groove 11 which are perpendicular to the upper surface of the base 9 and are formed in the base 9, the first limiting groove 10 is communicated with the second limiting groove 11, a limiting strip 12 is vertically and fixedly connected to the upper surface of the base 9, a first sliding groove 13 which corresponds to the first limiting groove 10 in position and is equal in length and width is formed in the limiting strip 12, a second sliding groove 14 which corresponds to the second limiting groove 11 in position and is equal in length and width is formed in the limiting strip 12, and the first sliding groove 13 is communicated with the second sliding groove 14; the first sliding groove 13 and the first limiting groove 10 are both in sliding connection with the movable rack 15, a sliding bar 16 is arranged on the outer side of the movable rack 15, the second limiting groove 11 and the second sliding groove 14 are both in sliding connection with the sliding bar 16, the first sliding groove 13 and the second sliding groove 14 vertically penetrate through the limiting bar 12, the bottom of the spring 17 is fixedly connected with the bottom of the first limiting groove 10, the upper surface of the base 9 is fixedly connected with a fixing frame 19, and a gear 18 is rotationally connected on the fixing frame 19; the slot 8, the fixing strip 3, the locking strip 4 and the locking groove 5 are arranged on the connecting pipeline 1, so that the structure is simple, and the connection is convenient; through setting up first spacing groove 10, second spacing groove 11, first spout 13, second spout 14 and draw runner 16, make movable rack 15 only can reciprocate, enlarge movable rack's upper and lower activity space in base 9 simultaneously, be convenient for install spring 17 additional, strengthen buffer capacity.

The tops of the high-order movable racks in the different groups of buffer protection structures are flush, and the tops of the low-order movable racks in the different groups of buffer protection structures are flush; the top parts of the high-position movable rack and the low-position movable rack are respectively fixedly connected with a supporting plate 20, an air bag 22 is arranged at the top part of the supporting plate 20, and a baffle 21 is arranged at the top part of the air bag 22; the high-level movable racks or the low-level movable racks corresponding to the left side and the right side of the same base 9 are arranged below the same baffle plate 21, in this embodiment, the air bags 22 corresponding to the high-level movable racks and the low-level movable racks are attached to or fixedly connected with the baffle plate 21, the heights of the baffle plates 21 at the tops of the high-level movable racks and the low-level movable racks are different, the baffle plate 20 is arranged perpendicular to the escape pipeline 2, and the positions of the baffle plates are corresponding to at least two high-level movable racks or the low-level movable racks which are positioned in the same direction perpendicular to the escape pipeline 2 and are connected with the same baffle plate 21.

The working process comprises the following steps: inserting the escape pipeline 2 into the slots 8 at the two ends of the connecting pipeline 1 in an aligned manner, slowly inserting the fixing strip 3 into the locking groove 5, then punching bolt holes from the outer side of the locking strip 4, sequentially penetrating the side, far away from the escape pipeline 2, of the locking strip 4, the fixing strip 3 and the side, close to the escape pipeline 2, of the locking strip 4, then penetrating into the escape pipeline 2, screwing the fastening bolts 6 into the bolt holes, and screwing the tail ends of the fastening bolts 6 by using the fastening nuts 7; the base 9 and the buffer protection device are installed at the same time, when a collapse object falls down, the baffle plate at the top of the high-position movable rack is impacted firstly, impact force is transmitted to the corresponding air bag 22, the air bag 22 is pressurized and internal air pressure is increased to a certain degree, internal air ejects the plug 23 from the opening of the air bag, the air is released slowly, the downward instantaneous impact of the collapse object is reduced by matching with the spring 17, meanwhile, the high-position movable rack is downward in the first sliding groove 13 and limited by the second sliding groove 14 through the sliding strip 16, the excessive pressure can be reduced to the first limiting groove 10 in the base 9, and the low-position movable rack is lifted through the gear 18 when the high-position movable rack descends; when the pressure applied to the baffle plate at the top of the low-level movable rack is overlarge, the plug of the air bag at the top of the low-level movable rack is ejected, the spring at the bottom of the low-level movable rack is matched with the spring at the bottom of the low-level movable rack to perform secondary buffering, then the low-level movable rack is pressed down, the high-level movable rack rises again to face the collapse object subjected to repeated buffering until the heights of the two movable racks are the same, and the baffle plates at the tops of the two movable racks jointly resist the collapse object.

Example two

As shown in fig. 5, unlike the first embodiment, the air bags 22 corresponding to the high-position movable racks at different positions are attached to the same baffle 21, and contact under gravity without connection, i.e. all the air bags are located below the same baffle 21, the air bags 22 corresponding to the low-position movable racks are not in contact with the baffle, one side of the baffle 21 close to the high-position movable racks is fixedly connected with one end of the telescopic rod 24, and the other end of the telescopic rod 24 is fixedly connected with the supporting plate 20 at the bottom of the high-position movable racks; the telescopic rod is arranged to fix the position of the baffle 21, prevent the baffle from displacement when being impacted, and accurately fall on the air bag 22 corresponding to the low-position movable rack.

The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.

Claims

1. The utility model provides a tunnel escape pipeline which characterized in that: comprises an escape pipeline (2) with two ends connected by a fixed structure, and a buffer protection structure arranged outside the escape pipeline (2); the two ends of the connecting pipeline (1) are provided with slots (8) which are spliced with the escape pipeline (2), the outer side of the escape pipeline (2) is fixedly provided with a base (9), the buffer protection structure comprises a gear (18) arranged above the base (9), two sides of the gear (18) are respectively meshed with a movable rack (15), the tops of the two movable racks (15) are different in height in the initial state, the movable rack with the top at a higher position is a high-position movable rack, and the top at a lower position is a low-position movable rack; the bottom of high-order movable rack and low-order movable rack respectively is provided with a spring (17), and movable rack (15) outside is provided with the limit structure that restriction it can only reciprocate, and the top of movable rack (15) is provided with inflatable gasbag (22), is provided with the opening on gasbag (22), peg graft in the opening and have stopper (23) that can be impacted and break away from by gasbag (22) inside gas.

2. A tunnel escape pipe according to claim 1, wherein: the fixed knot constructs including fixing fixed strip (3) in connecting tube (1) outside, fixed strip (3) surpass connecting tube (1) setting along connecting tube (1) axial lead direction, escape tube (2) outside fixedly connected with locking strip (4), locking strip (4) are provided with and supply fixed strip (3) male locking groove (5) near one end of fixed strip (3), locking groove (5) are close to one end of fixed strip (3) and run through locking strip (4) along escape tube (2) axial lead direction, fixed strip (3) are through fastening bolt (6) and locking strip (4) fixed connection.

3. A tunnel escape pipe according to claim 2, characterized in that: the bottom surface of the locking groove (5) and the bottom surface of the fixing strip (3) are positioned on the same plane, the fastening bolt (6) sequentially penetrates through the fixing strip (3) and the locking strip (4) and then penetrates into the escape pipeline (2), and the tail end of the fastening bolt (6) is in threaded connection with the fastening nut (7).

4. A tunnel escape pipe according to claim 3, wherein: the base (9) is arranged along the axial line direction of the escape pipeline (2) at intervals, the middle part of the base (9) is arranged around the lower part of the outer side of the escape pipeline (2), two ends of the base (9) are respectively positioned at two sides of the escape pipeline (2), and the base (9) is respectively provided with at least one group of buffer protection structures on the upper surfaces of the two sides of the escape pipeline (2).

5. A tunnel escape canal according to claim 4, wherein: the limiting structure comprises a first limiting groove (10) which is perpendicular to the upper surface of the base (9) and is used for limiting a movable rack (15) and is formed in the base (9), a limiting bar (12) is vertically and fixedly connected to the upper surface of the base (9), a first sliding groove (13) corresponding to the first limiting groove (10) is formed in the limiting bar (12), the first limiting groove (10) and the first sliding groove (13) are both in sliding connection with the movable rack (15), the bottom of a spring (17) is fixedly connected with the bottom of the first limiting groove (10), a fixing frame (19) is fixedly connected to the upper surface of the base (9), and a gear (18) is rotationally connected to the fixing frame (19).

6. A tunnel escape canal according to claim 5, characterized in that: the tops of the high-order movable racks in the different groups of buffer protection structures are flush, and the tops of the low-order movable racks in the different groups of buffer protection structures are flush; the top of the high-position movable rack and the top of the low-position movable rack are respectively fixedly connected with a supporting plate (20), the top of the supporting plate (20) is provided with an air bag (22), and the top of the air bag (22) is provided with a baffle plate (21); the high-position movable racks or the low-position movable racks corresponding to the left side and the right side of the same base (9) are arranged below the same baffle plate (21).

7. A tunnel escape canal according to claim 5, characterized in that: the top of high-order movable rack and low-order movable rack is fixedly connected with backup pad (20) respectively, and the top of backup pad (20) is provided with gasbag (22), and gasbag (22) that high-order movable rack in different positions corresponds are attached to setting with same baffle (21), and the one side that baffle (21) is close to high-order movable rack is fixedly connected with telescopic link (24) one end, telescopic link (24) other end and backup pad (20) fixed connection.